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<h1>dbus-sysdeps-unix.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* dbus-sysdeps-unix.c Wrappers around UNIX system/libc features (internal to D-Bus implementation)</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003, 2006  Red Hat, Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 CodeFactory AB</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00008"></a>00008 <span class="comment"> * </span>
<a name="l00009"></a>00009 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> * (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00017"></a>00017 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00020"></a>00020 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-sysdeps.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-sysdeps-unix.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "dbus-threads.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "dbus-protocol.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dbus-transport.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "dbus-string.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "dbus-userdb.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "dbus-list.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "dbus-credentials.h"</span>
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;signal.h&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;sys/socket.h&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;dirent.h&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;sys/un.h&gt;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;pwd.h&gt;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;time.h&gt;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include &lt;locale.h&gt;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include &lt;sys/time.h&gt;</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include &lt;sys/stat.h&gt;</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include &lt;sys/wait.h&gt;</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include &lt;netinet/in.h&gt;</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include &lt;netdb.h&gt;</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include &lt;grp.h&gt;</span>
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="preprocessor">#ifdef HAVE_ERRNO_H</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00058"></a>00058 <span class="preprocessor">#endif</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_WRITEV</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#include &lt;sys/uio.h&gt;</span>
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_POLL</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor">#include &lt;sys/poll.h&gt;</span>
<a name="l00064"></a>00064 <span class="preprocessor">#endif</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_BACKTRACE</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="preprocessor">#include &lt;execinfo.h&gt;</span>
<a name="l00067"></a>00067 <span class="preprocessor">#endif</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_GETPEERUCRED</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span><span class="preprocessor">#include &lt;ucred.h&gt;</span>
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span>
<a name="l00072"></a>00072 <span class="preprocessor">#ifndef O_BINARY</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define O_BINARY 0</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>
<a name="l00076"></a>00076 <span class="preprocessor">#ifndef HAVE_SOCKLEN_T</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#define socklen_t int</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>
<a name="l00080"></a>00080 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00081"></a>00081 _dbus_open_socket (<span class="keywordtype">int</span>              *fd_p,
<a name="l00082"></a>00082                    <span class="keywordtype">int</span>               domain,
<a name="l00083"></a>00083                    <span class="keywordtype">int</span>               type,
<a name="l00084"></a>00084                    <span class="keywordtype">int</span>               protocol,
<a name="l00085"></a>00085                    <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087   *fd_p = socket (domain, type, protocol);
<a name="l00088"></a>00088   <span class="keywordflow">if</span> (*fd_p &gt;= 0)
<a name="l00089"></a>00089     {
<a name="l00090"></a>00090       _dbus_verbose (<span class="stringliteral">"socket fd %d opened\n"</span>, *fd_p);
<a name="l00091"></a>00091       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00092"></a>00092     }
<a name="l00093"></a>00093   <span class="keywordflow">else</span>
<a name="l00094"></a>00094     {
<a name="l00095"></a>00095       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a>(error,
<a name="l00096"></a>00096                      <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00097"></a>00097                      <span class="stringliteral">"Failed to open socket: %s"</span>,
<a name="l00098"></a>00098                      _dbus_strerror (errno));
<a name="l00099"></a>00099       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00100"></a>00100     }
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 
<a name="l00103"></a>00103 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00104"></a><a class="code" href="group__DBusSysdeps.html#gf0c64c612b8d45429515d14849f81a57">00104</a> <a class="code" href="group__DBusSysdeps.html#gf0c64c612b8d45429515d14849f81a57">_dbus_open_tcp_socket</a> (<span class="keywordtype">int</span>              *fd,
<a name="l00105"></a>00105                        <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107   <span class="keywordflow">return</span> _dbus_open_socket(fd, AF_INET, SOCK_STREAM, 0, error);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 
<a name="l00117"></a>00117 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00118"></a><a class="code" href="group__DBusSysdepsUnix.html#g281d8697f33900cc1da984ea5a24aca8">00118</a> <a class="code" href="group__DBusSysdepsUnix.html#g281d8697f33900cc1da984ea5a24aca8">_dbus_open_unix_socket</a> (<span class="keywordtype">int</span>              *fd,
<a name="l00119"></a>00119                         <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121   <span class="keywordflow">return</span> _dbus_open_socket(fd, PF_UNIX, SOCK_STREAM, 0, error);
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 
<a name="l00132"></a>00132 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> 
<a name="l00133"></a><a class="code" href="group__DBusSysdeps.html#g701f9b3087c196404f66ff95b4ace0b8">00133</a> <a class="code" href="group__DBusSysdeps.html#g701f9b3087c196404f66ff95b4ace0b8">_dbus_close_socket</a> (<span class="keywordtype">int</span>               fd,
<a name="l00134"></a>00134                     <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136   <span class="keywordflow">return</span> <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, error);
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 
<a name="l00148"></a>00148 <span class="keywordtype">int</span>
<a name="l00149"></a><a class="code" href="group__DBusSysdeps.html#g6fe72fa1c0484ac5594b08145ea19530">00149</a> <a class="code" href="group__DBusSysdeps.html#g6fe72fa1c0484ac5594b08145ea19530">_dbus_read_socket</a> (<span class="keywordtype">int</span>               fd,
<a name="l00150"></a>00150                    <a class="code" href="structDBusString.html">DBusString</a>       *buffer,
<a name="l00151"></a>00151                    <span class="keywordtype">int</span>               count)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153   <span class="keywordflow">return</span> <a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (fd, buffer, count);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 
<a name="l00166"></a>00166 <span class="keywordtype">int</span>
<a name="l00167"></a><a class="code" href="group__DBusSysdeps.html#g346cadd9b0f7d0ae1cd19007b2e4c2de">00167</a> <a class="code" href="group__DBusSysdeps.html#g346cadd9b0f7d0ae1cd19007b2e4c2de">_dbus_write_socket</a> (<span class="keywordtype">int</span>               fd,
<a name="l00168"></a>00168                     <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer,
<a name="l00169"></a>00169                     <span class="keywordtype">int</span>               start,
<a name="l00170"></a>00170                     <span class="keywordtype">int</span>               len)
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172   <span class="keywordflow">return</span> <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (fd, buffer, start, len);
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 
<a name="l00185"></a>00185 <span class="keywordtype">int</span>
<a name="l00186"></a><a class="code" href="group__DBusSysdeps.html#g95ab99cceeaa29082a02f0b971d9e9e5">00186</a> <a class="code" href="group__DBusSysdeps.html#g95ab99cceeaa29082a02f0b971d9e9e5">_dbus_pipe_write</a> (<a class="code" href="structDBusPipe.html">DBusPipe</a>         *pipe,
<a name="l00187"></a>00187                   <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer,
<a name="l00188"></a>00188                   <span class="keywordtype">int</span>               start,
<a name="l00189"></a>00189                   <span class="keywordtype">int</span>               len,
<a name="l00190"></a>00190                   <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192   <span class="keywordtype">int</span> written;
<a name="l00193"></a>00193   
<a name="l00194"></a>00194   written = <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (pipe-&gt;<a class="code" href="structDBusPipe.html#7962d681d0f1eb1cad082b80da203f51">fd_or_handle</a>, buffer, start, len);
<a name="l00195"></a>00195   <span class="keywordflow">if</span> (written &lt; 0)
<a name="l00196"></a>00196     {
<a name="l00197"></a>00197       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l00198"></a>00198                       <span class="stringliteral">"Writing to pipe: %s\n"</span>,
<a name="l00199"></a>00199                       _dbus_strerror (errno));
<a name="l00200"></a>00200     }
<a name="l00201"></a>00201   <span class="keywordflow">return</span> written;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 
<a name="l00211"></a>00211 <span class="keywordtype">int</span>
<a name="l00212"></a><a class="code" href="group__DBusSysdeps.html#g2dfca26ba16636422902f7f3a62bd1ce">00212</a> <a class="code" href="group__DBusSysdeps.html#g2dfca26ba16636422902f7f3a62bd1ce">_dbus_pipe_close</a>  (<a class="code" href="structDBusPipe.html">DBusPipe</a>         *pipe,
<a name="l00213"></a>00213                    <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215   <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (pipe-&gt;<a class="code" href="structDBusPipe.html#7962d681d0f1eb1cad082b80da203f51">fd_or_handle</a>, error) &lt; 0)
<a name="l00216"></a>00216     {
<a name="l00217"></a>00217       <span class="keywordflow">return</span> -1;
<a name="l00218"></a>00218     }
<a name="l00219"></a>00219   <span class="keywordflow">else</span>
<a name="l00220"></a>00220     {
<a name="l00221"></a>00221       <a class="code" href="group__DBusSysdeps.html#g17d2d00d7231e37aff69cbac3217ca73">_dbus_pipe_invalidate</a> (pipe);
<a name="l00222"></a>00222       <span class="keywordflow">return</span> 0;
<a name="l00223"></a>00223     }
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225 
<a name="l00239"></a>00239 <span class="keywordtype">int</span>
<a name="l00240"></a><a class="code" href="group__DBusSysdeps.html#g02da720105c2a2397b7c687c5ca81174">00240</a> <a class="code" href="group__DBusSysdeps.html#g02da720105c2a2397b7c687c5ca81174">_dbus_write_socket_two</a> (<span class="keywordtype">int</span>               fd,
<a name="l00241"></a>00241                         <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer1,
<a name="l00242"></a>00242                         <span class="keywordtype">int</span>               start1,
<a name="l00243"></a>00243                         <span class="keywordtype">int</span>               len1,
<a name="l00244"></a>00244                         <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer2,
<a name="l00245"></a>00245                         <span class="keywordtype">int</span>               start2,
<a name="l00246"></a>00246                         <span class="keywordtype">int</span>               len2)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248   <span class="keywordflow">return</span> <a class="code" href="group__DBusSysdepsUnix.html#g506a183b1f6970d1bfca165ab3de4736">_dbus_write_two</a> (fd, buffer1, start1, len1,
<a name="l00249"></a>00249                           buffer2, start2, len2);
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251 
<a name="l00252"></a>00252 
<a name="l00269"></a>00269 <span class="keywordtype">int</span>
<a name="l00270"></a><a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">00270</a> <a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (<span class="keywordtype">int</span>               fd,
<a name="l00271"></a>00271             <a class="code" href="structDBusString.html">DBusString</a>       *buffer,
<a name="l00272"></a>00272             <span class="keywordtype">int</span>               count)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274   <span class="keywordtype">int</span> bytes_read;
<a name="l00275"></a>00275   <span class="keywordtype">int</span> start;
<a name="l00276"></a>00276   <span class="keywordtype">char</span> *data;
<a name="l00277"></a>00277 
<a name="l00278"></a>00278   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (count &gt;= 0);
<a name="l00279"></a>00279   
<a name="l00280"></a>00280   start = _dbus_string_get_length (buffer);
<a name="l00281"></a>00281 
<a name="l00282"></a>00282   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g8f13997d90ceed2f437706e6b7804d9b">_dbus_string_lengthen</a> (buffer, count))
<a name="l00283"></a>00283     {
<a name="l00284"></a>00284       errno = ENOMEM;
<a name="l00285"></a>00285       <span class="keywordflow">return</span> -1;
<a name="l00286"></a>00286     }
<a name="l00287"></a>00287 
<a name="l00288"></a>00288   data = <a class="code" href="group__DBusString.html#g7a73fb373398606e6e1d0a86c4587a3c">_dbus_string_get_data_len</a> (buffer, start, count);
<a name="l00289"></a>00289 
<a name="l00290"></a>00290  again:
<a name="l00291"></a>00291   
<a name="l00292"></a>00292   bytes_read = read (fd, data, count);
<a name="l00293"></a>00293 
<a name="l00294"></a>00294   <span class="keywordflow">if</span> (bytes_read &lt; 0)
<a name="l00295"></a>00295     {
<a name="l00296"></a>00296       <span class="keywordflow">if</span> (errno == EINTR)
<a name="l00297"></a>00297         <span class="keywordflow">goto</span> again;
<a name="l00298"></a>00298       <span class="keywordflow">else</span>
<a name="l00299"></a>00299         {
<a name="l00300"></a>00300           <span class="comment">/* put length back (note that this doesn't actually realloc anything) */</span>
<a name="l00301"></a>00301           <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (buffer, start);
<a name="l00302"></a>00302           <span class="keywordflow">return</span> -1;
<a name="l00303"></a>00303         }
<a name="l00304"></a>00304     }
<a name="l00305"></a>00305   <span class="keywordflow">else</span>
<a name="l00306"></a>00306     {
<a name="l00307"></a>00307       <span class="comment">/* put length back (doesn't actually realloc) */</span>
<a name="l00308"></a>00308       <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (buffer, start + bytes_read);
<a name="l00309"></a>00309 
<a name="l00310"></a>00310 <span class="preprocessor">#if 0</span>
<a name="l00311"></a>00311 <span class="preprocessor"></span>      <span class="keywordflow">if</span> (bytes_read &gt; 0)
<a name="l00312"></a>00312         <a class="code" href="group__DBusMarshal.html#g3926bb35edf78d114cf0c341fe3258e0">_dbus_verbose_bytes_of_string</a> (buffer, start, bytes_read);
<a name="l00313"></a>00313 <span class="preprocessor">#endif</span>
<a name="l00314"></a>00314 <span class="preprocessor"></span>      
<a name="l00315"></a>00315       <span class="keywordflow">return</span> bytes_read;
<a name="l00316"></a>00316     }
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 
<a name="l00329"></a>00329 <span class="keywordtype">int</span>
<a name="l00330"></a><a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">00330</a> <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (<span class="keywordtype">int</span>               fd,
<a name="l00331"></a>00331              <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer,
<a name="l00332"></a>00332              <span class="keywordtype">int</span>               start,
<a name="l00333"></a>00333              <span class="keywordtype">int</span>               len)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335   <span class="keyword">const</span> <span class="keywordtype">char</span> *data;
<a name="l00336"></a>00336   <span class="keywordtype">int</span> bytes_written;
<a name="l00337"></a>00337   
<a name="l00338"></a>00338   data = _dbus_string_get_const_data_len (buffer, start, len);
<a name="l00339"></a>00339   
<a name="l00340"></a>00340  again:
<a name="l00341"></a>00341 
<a name="l00342"></a>00342   bytes_written = write (fd, data, len);
<a name="l00343"></a>00343 
<a name="l00344"></a>00344   <span class="keywordflow">if</span> (bytes_written &lt; 0 &amp;&amp; errno == EINTR)
<a name="l00345"></a>00345     <span class="keywordflow">goto</span> again;
<a name="l00346"></a>00346 
<a name="l00347"></a>00347 <span class="preprocessor">#if 0</span>
<a name="l00348"></a>00348 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (bytes_written &gt; 0)
<a name="l00349"></a>00349     <a class="code" href="group__DBusMarshal.html#g3926bb35edf78d114cf0c341fe3258e0">_dbus_verbose_bytes_of_string</a> (buffer, start, bytes_written);
<a name="l00350"></a>00350 <span class="preprocessor">#endif</span>
<a name="l00351"></a>00351 <span class="preprocessor"></span>  
<a name="l00352"></a>00352   <span class="keywordflow">return</span> bytes_written;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 
<a name="l00375"></a>00375 <span class="keywordtype">int</span>
<a name="l00376"></a><a class="code" href="group__DBusSysdepsUnix.html#g506a183b1f6970d1bfca165ab3de4736">00376</a> <a class="code" href="group__DBusSysdepsUnix.html#g506a183b1f6970d1bfca165ab3de4736">_dbus_write_two</a> (<span class="keywordtype">int</span>               fd,
<a name="l00377"></a>00377                  <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer1,
<a name="l00378"></a>00378                  <span class="keywordtype">int</span>               start1,
<a name="l00379"></a>00379                  <span class="keywordtype">int</span>               len1,
<a name="l00380"></a>00380                  <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer2,
<a name="l00381"></a>00381                  <span class="keywordtype">int</span>               start2,
<a name="l00382"></a>00382                  <span class="keywordtype">int</span>               len2)
<a name="l00383"></a>00383 {
<a name="l00384"></a>00384   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (buffer1 != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00385"></a>00385   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (start1 &gt;= 0);
<a name="l00386"></a>00386   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (start2 &gt;= 0);
<a name="l00387"></a>00387   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (len1 &gt;= 0);
<a name="l00388"></a>00388   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (len2 &gt;= 0);
<a name="l00389"></a>00389   
<a name="l00390"></a>00390 <span class="preprocessor">#ifdef HAVE_WRITEV</span>
<a name="l00391"></a>00391 <span class="preprocessor"></span>  {
<a name="l00392"></a>00392     <span class="keyword">struct </span>iovec vectors[2];
<a name="l00393"></a>00393     <span class="keyword">const</span> <span class="keywordtype">char</span> *data1;
<a name="l00394"></a>00394     <span class="keyword">const</span> <span class="keywordtype">char</span> *data2;
<a name="l00395"></a>00395     <span class="keywordtype">int</span> bytes_written;
<a name="l00396"></a>00396 
<a name="l00397"></a>00397     data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
<a name="l00398"></a>00398 
<a name="l00399"></a>00399     <span class="keywordflow">if</span> (buffer2 != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00400"></a>00400       data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
<a name="l00401"></a>00401     <span class="keywordflow">else</span>
<a name="l00402"></a>00402       {
<a name="l00403"></a>00403         data2 = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00404"></a>00404         start2 = 0;
<a name="l00405"></a>00405         len2 = 0;
<a name="l00406"></a>00406       }
<a name="l00407"></a>00407    
<a name="l00408"></a>00408     vectors[0].iov_base = (<span class="keywordtype">char</span>*) data1;
<a name="l00409"></a>00409     vectors[0].iov_len = len1;
<a name="l00410"></a>00410     vectors[1].iov_base = (<span class="keywordtype">char</span>*) data2;
<a name="l00411"></a>00411     vectors[1].iov_len = len2;
<a name="l00412"></a>00412 
<a name="l00413"></a>00413   again:
<a name="l00414"></a>00414    
<a name="l00415"></a>00415     bytes_written = writev (fd,
<a name="l00416"></a>00416                             vectors,
<a name="l00417"></a>00417                             data2 ? 2 : 1);
<a name="l00418"></a>00418 
<a name="l00419"></a>00419     <span class="keywordflow">if</span> (bytes_written &lt; 0 &amp;&amp; errno == EINTR)
<a name="l00420"></a>00420       <span class="keywordflow">goto</span> again;
<a name="l00421"></a>00421    
<a name="l00422"></a>00422     <span class="keywordflow">return</span> bytes_written;
<a name="l00423"></a>00423   }
<a name="l00424"></a>00424 <span class="preprocessor">#else </span><span class="comment">/* HAVE_WRITEV */</span>
<a name="l00425"></a>00425   {
<a name="l00426"></a>00426     <span class="keywordtype">int</span> ret1;
<a name="l00427"></a>00427     
<a name="l00428"></a>00428     ret1 = <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (fd, buffer1, start1, len1);
<a name="l00429"></a>00429     <span class="keywordflow">if</span> (ret1 == len1 &amp;&amp; buffer2 != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00430"></a>00430       {
<a name="l00431"></a>00431         ret2 = <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (fd, buffer2, start2, len2);
<a name="l00432"></a>00432         <span class="keywordflow">if</span> (ret2 &lt; 0)
<a name="l00433"></a>00433           ret2 = 0; <span class="comment">/* we can't report an error as the first write was OK */</span>
<a name="l00434"></a>00434        
<a name="l00435"></a>00435         <span class="keywordflow">return</span> ret1 + ret2;
<a name="l00436"></a>00436       }
<a name="l00437"></a>00437     <span class="keywordflow">else</span>
<a name="l00438"></a>00438       <span class="keywordflow">return</span> ret1;
<a name="l00439"></a>00439   }
<a name="l00440"></a>00440 <span class="preprocessor">#endif </span><span class="comment">/* !HAVE_WRITEV */</span>   
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 
<a name="l00443"></a>00443 <span class="preprocessor">#define _DBUS_MAX_SUN_PATH_LENGTH 99</span>
<a name="l00444"></a>00444 <span class="preprocessor"></span>
<a name="l00472"></a>00472 <span class="keywordtype">int</span>
<a name="l00473"></a><a class="code" href="group__DBusSysdepsUnix.html#g0228009923a105d50a0849b24acbc31e">00473</a> <a class="code" href="group__DBusSysdepsUnix.html#g0228009923a105d50a0849b24acbc31e">_dbus_connect_unix_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>     *path,
<a name="l00474"></a>00474                            <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>     <span class="keyword">abstract</span>,
<a name="l00475"></a>00475                            <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l00476"></a>00476 {
<a name="l00477"></a>00477   <span class="keywordtype">int</span> fd;
<a name="l00478"></a>00478   size_t path_len;
<a name="l00479"></a>00479   <span class="keyword">struct </span>sockaddr_un addr;  
<a name="l00480"></a>00480 
<a name="l00481"></a>00481   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00482"></a>00482 
<a name="l00483"></a>00483   _dbus_verbose (<span class="stringliteral">"connecting to unix socket %s abstract=%d\n"</span>,
<a name="l00484"></a>00484                  path, <span class="keyword">abstract</span>);
<a name="l00485"></a>00485   
<a name="l00486"></a>00486   
<a name="l00487"></a>00487   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdepsUnix.html#g281d8697f33900cc1da984ea5a24aca8">_dbus_open_unix_socket</a> (&amp;fd, error))
<a name="l00488"></a>00488     {
<a name="l00489"></a>00489       _DBUS_ASSERT_ERROR_IS_SET(error);
<a name="l00490"></a>00490       <span class="keywordflow">return</span> -1;
<a name="l00491"></a>00491     }
<a name="l00492"></a>00492   _DBUS_ASSERT_ERROR_IS_CLEAR(error);
<a name="l00493"></a>00493 
<a name="l00494"></a>00494   <a class="code" href="group__DBusInternalsUtils.html#gec42589166158b1385d5f5439318cda2">_DBUS_ZERO</a> (addr);
<a name="l00495"></a>00495   addr.sun_family = AF_UNIX;
<a name="l00496"></a>00496   path_len = strlen (path);
<a name="l00497"></a>00497 
<a name="l00498"></a>00498   <span class="keywordflow">if</span> (<span class="keyword">abstract</span>)
<a name="l00499"></a>00499     {
<a name="l00500"></a>00500 <span class="preprocessor">#ifdef HAVE_ABSTRACT_SOCKETS</span>
<a name="l00501"></a>00501 <span class="preprocessor"></span>      addr.sun_path[0] = <span class="charliteral">'\0'</span>; <span class="comment">/* this is what says "use abstract" */</span>
<a name="l00502"></a>00502       path_len++; <span class="comment">/* Account for the extra nul byte added to the start of sun_path */</span>
<a name="l00503"></a>00503 
<a name="l00504"></a>00504       <span class="keywordflow">if</span> (path_len &gt; _DBUS_MAX_SUN_PATH_LENGTH)
<a name="l00505"></a>00505         {
<a name="l00506"></a>00506           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g3fa04eb600edda4afc2dd9fe2e0f8b02">DBUS_ERROR_BAD_ADDRESS</a>,
<a name="l00507"></a>00507                       <span class="stringliteral">"Abstract socket name too long\n"</span>);
<a name="l00508"></a>00508           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00509"></a>00509           <span class="keywordflow">return</span> -1;
<a name="l00510"></a>00510         }
<a name="l00511"></a>00511         
<a name="l00512"></a>00512       strncpy (&amp;addr.sun_path[1], path, path_len);
<a name="l00513"></a>00513       <span class="comment">/* _dbus_verbose_bytes (addr.sun_path, sizeof (addr.sun_path)); */</span>
<a name="l00514"></a>00514 <span class="preprocessor">#else </span><span class="comment">/* HAVE_ABSTRACT_SOCKETS */</span>
<a name="l00515"></a>00515       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g33122bcaf8f5896ec222c755b6effb40">DBUS_ERROR_NOT_SUPPORTED</a>,
<a name="l00516"></a>00516                       <span class="stringliteral">"Operating system does not support abstract socket namespace\n"</span>);
<a name="l00517"></a>00517       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00518"></a>00518       <span class="keywordflow">return</span> -1;
<a name="l00519"></a>00519 <span class="preprocessor">#endif </span><span class="comment">/* ! HAVE_ABSTRACT_SOCKETS */</span>
<a name="l00520"></a>00520     }
<a name="l00521"></a>00521   <span class="keywordflow">else</span>
<a name="l00522"></a>00522     {
<a name="l00523"></a>00523       <span class="keywordflow">if</span> (path_len &gt; _DBUS_MAX_SUN_PATH_LENGTH)
<a name="l00524"></a>00524         {
<a name="l00525"></a>00525           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g3fa04eb600edda4afc2dd9fe2e0f8b02">DBUS_ERROR_BAD_ADDRESS</a>,
<a name="l00526"></a>00526                       <span class="stringliteral">"Socket name too long\n"</span>);
<a name="l00527"></a>00527           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00528"></a>00528           <span class="keywordflow">return</span> -1;
<a name="l00529"></a>00529         }
<a name="l00530"></a>00530 
<a name="l00531"></a>00531       strncpy (addr.sun_path, path, path_len);
<a name="l00532"></a>00532     }
<a name="l00533"></a>00533   
<a name="l00534"></a>00534   <span class="keywordflow">if</span> (connect (fd, (<span class="keyword">struct</span> sockaddr*) &amp;addr, _DBUS_STRUCT_OFFSET (<span class="keyword">struct</span> sockaddr_un, sun_path) + path_len) &lt; 0)
<a name="l00535"></a>00535     {      
<a name="l00536"></a>00536       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00537"></a>00537                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00538"></a>00538                       <span class="stringliteral">"Failed to connect to socket %s: %s"</span>,
<a name="l00539"></a>00539                       path, _dbus_strerror (errno));
<a name="l00540"></a>00540 
<a name="l00541"></a>00541       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00542"></a>00542       fd = -1;
<a name="l00543"></a>00543       
<a name="l00544"></a>00544       <span class="keywordflow">return</span> -1;
<a name="l00545"></a>00545     }
<a name="l00546"></a>00546 
<a name="l00547"></a>00547   <span class="keywordflow">if</span> (!_dbus_set_fd_nonblocking (fd, error))
<a name="l00548"></a>00548     {
<a name="l00549"></a>00549       _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00550"></a>00550       
<a name="l00551"></a>00551       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00552"></a>00552       fd = -1;
<a name="l00553"></a>00553 
<a name="l00554"></a>00554       <span class="keywordflow">return</span> -1;
<a name="l00555"></a>00555     }
<a name="l00556"></a>00556 
<a name="l00557"></a>00557   <span class="keywordflow">return</span> fd;
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559 
<a name="l00569"></a>00569 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l00570"></a>00570 _dbus_set_local_creds (<span class="keywordtype">int</span> fd, <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> on)
<a name="l00571"></a>00571 {
<a name="l00572"></a>00572   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> retval = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00573"></a>00573 
<a name="l00574"></a>00574 <span class="preprocessor">#if defined(HAVE_CMSGCRED)</span>
<a name="l00575"></a>00575 <span class="preprocessor"></span>  <span class="comment">/* NOOP just to make sure only one codepath is used </span>
<a name="l00576"></a>00576 <span class="comment">   *      and to prefer CMSGCRED</span>
<a name="l00577"></a>00577 <span class="comment">   */</span>
<a name="l00578"></a>00578 <span class="preprocessor">#elif defined(LOCAL_CREDS) </span>
<a name="l00579"></a>00579 <span class="preprocessor"></span>  <span class="keywordtype">int</span> val = on ? 1 : 0;
<a name="l00580"></a>00580   <span class="keywordflow">if</span> (setsockopt (fd, 0, LOCAL_CREDS, &amp;val, <span class="keyword">sizeof</span> (val)) &lt; 0)
<a name="l00581"></a>00581     {
<a name="l00582"></a>00582       _dbus_verbose (<span class="stringliteral">"Unable to set LOCAL_CREDS socket option on fd %d\n"</span>, fd);
<a name="l00583"></a>00583       retval = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00584"></a>00584     }
<a name="l00585"></a>00585   <span class="keywordflow">else</span>
<a name="l00586"></a>00586     _dbus_verbose (<span class="stringliteral">"LOCAL_CREDS %s for further messages on fd %d\n"</span>,
<a name="l00587"></a>00587                    on ? <span class="stringliteral">"enabled"</span> : <span class="stringliteral">"disabled"</span>, fd);
<a name="l00588"></a>00588 <span class="preprocessor">#endif</span>
<a name="l00589"></a>00589 <span class="preprocessor"></span>
<a name="l00590"></a>00590   <span class="keywordflow">return</span> retval;
<a name="l00591"></a>00591 }
<a name="l00592"></a>00592 
<a name="l00608"></a>00608 <span class="keywordtype">int</span>
<a name="l00609"></a><a class="code" href="group__DBusSysdepsUnix.html#g2cd48fe3d7aa14d0d3c7813cdddb3f74">00609</a> <a class="code" href="group__DBusSysdepsUnix.html#g2cd48fe3d7aa14d0d3c7813cdddb3f74">_dbus_listen_unix_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>     *path,
<a name="l00610"></a>00610                           <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>     <span class="keyword">abstract</span>,
<a name="l00611"></a>00611                           <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l00612"></a>00612 {
<a name="l00613"></a>00613   <span class="keywordtype">int</span> listen_fd;
<a name="l00614"></a>00614   <span class="keyword">struct </span>sockaddr_un addr;
<a name="l00615"></a>00615   size_t path_len;
<a name="l00616"></a>00616 
<a name="l00617"></a>00617   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00618"></a>00618 
<a name="l00619"></a>00619   _dbus_verbose (<span class="stringliteral">"listening on unix socket %s abstract=%d\n"</span>,
<a name="l00620"></a>00620                  path, <span class="keyword">abstract</span>);
<a name="l00621"></a>00621   
<a name="l00622"></a>00622   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdepsUnix.html#g281d8697f33900cc1da984ea5a24aca8">_dbus_open_unix_socket</a> (&amp;listen_fd, error))
<a name="l00623"></a>00623     {
<a name="l00624"></a>00624       _DBUS_ASSERT_ERROR_IS_SET(error);
<a name="l00625"></a>00625       <span class="keywordflow">return</span> -1;
<a name="l00626"></a>00626     }
<a name="l00627"></a>00627   _DBUS_ASSERT_ERROR_IS_CLEAR(error);
<a name="l00628"></a>00628 
<a name="l00629"></a>00629   <a class="code" href="group__DBusInternalsUtils.html#gec42589166158b1385d5f5439318cda2">_DBUS_ZERO</a> (addr);
<a name="l00630"></a>00630   addr.sun_family = AF_UNIX;
<a name="l00631"></a>00631   path_len = strlen (path);
<a name="l00632"></a>00632   
<a name="l00633"></a>00633   <span class="keywordflow">if</span> (<span class="keyword">abstract</span>)
<a name="l00634"></a>00634     {
<a name="l00635"></a>00635 <span class="preprocessor">#ifdef HAVE_ABSTRACT_SOCKETS</span>
<a name="l00636"></a>00636 <span class="preprocessor"></span>      <span class="comment">/* remember that abstract names aren't nul-terminated so we rely</span>
<a name="l00637"></a>00637 <span class="comment">       * on sun_path being filled in with zeroes above.</span>
<a name="l00638"></a>00638 <span class="comment">       */</span>
<a name="l00639"></a>00639       addr.sun_path[0] = <span class="charliteral">'\0'</span>; <span class="comment">/* this is what says "use abstract" */</span>
<a name="l00640"></a>00640       path_len++; <span class="comment">/* Account for the extra nul byte added to the start of sun_path */</span>
<a name="l00641"></a>00641 
<a name="l00642"></a>00642       <span class="keywordflow">if</span> (path_len &gt; _DBUS_MAX_SUN_PATH_LENGTH)
<a name="l00643"></a>00643         {
<a name="l00644"></a>00644           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g3fa04eb600edda4afc2dd9fe2e0f8b02">DBUS_ERROR_BAD_ADDRESS</a>,
<a name="l00645"></a>00645                       <span class="stringliteral">"Abstract socket name too long\n"</span>);
<a name="l00646"></a>00646           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00647"></a>00647           <span class="keywordflow">return</span> -1;
<a name="l00648"></a>00648         }
<a name="l00649"></a>00649       
<a name="l00650"></a>00650       strncpy (&amp;addr.sun_path[1], path, path_len);
<a name="l00651"></a>00651       <span class="comment">/* _dbus_verbose_bytes (addr.sun_path, sizeof (addr.sun_path)); */</span>
<a name="l00652"></a>00652 <span class="preprocessor">#else </span><span class="comment">/* HAVE_ABSTRACT_SOCKETS */</span>
<a name="l00653"></a>00653       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g33122bcaf8f5896ec222c755b6effb40">DBUS_ERROR_NOT_SUPPORTED</a>,
<a name="l00654"></a>00654                       <span class="stringliteral">"Operating system does not support abstract socket namespace\n"</span>);
<a name="l00655"></a>00655       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00656"></a>00656       <span class="keywordflow">return</span> -1;
<a name="l00657"></a>00657 <span class="preprocessor">#endif </span><span class="comment">/* ! HAVE_ABSTRACT_SOCKETS */</span>
<a name="l00658"></a>00658     }
<a name="l00659"></a>00659   <span class="keywordflow">else</span>
<a name="l00660"></a>00660     {
<a name="l00661"></a>00661       <span class="comment">/* Discussed security implications of this with Nalin,</span>
<a name="l00662"></a>00662 <span class="comment">       * and we couldn't think of where it would kick our ass, but</span>
<a name="l00663"></a>00663 <span class="comment">       * it still seems a bit sucky. It also has non-security suckage;</span>
<a name="l00664"></a>00664 <span class="comment">       * really we'd prefer to exit if the socket is already in use.</span>
<a name="l00665"></a>00665 <span class="comment">       * But there doesn't seem to be a good way to do this.</span>
<a name="l00666"></a>00666 <span class="comment">       *</span>
<a name="l00667"></a>00667 <span class="comment">       * Just to be extra careful, I threw in the stat() - clearly</span>
<a name="l00668"></a>00668 <span class="comment">       * the stat() can't *fix* any security issue, but it at least</span>
<a name="l00669"></a>00669 <span class="comment">       * avoids inadvertent/accidental data loss.</span>
<a name="l00670"></a>00670 <span class="comment">       */</span>
<a name="l00671"></a>00671       {
<a name="l00672"></a>00672         <span class="keyword">struct </span>stat sb;
<a name="l00673"></a>00673 
<a name="l00674"></a>00674         <span class="keywordflow">if</span> (stat (path, &amp;sb) == 0 &amp;&amp;
<a name="l00675"></a>00675             S_ISSOCK (sb.st_mode))
<a name="l00676"></a>00676           unlink (path);
<a name="l00677"></a>00677       }
<a name="l00678"></a>00678 
<a name="l00679"></a>00679       <span class="keywordflow">if</span> (path_len &gt; _DBUS_MAX_SUN_PATH_LENGTH)
<a name="l00680"></a>00680         {
<a name="l00681"></a>00681           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g3fa04eb600edda4afc2dd9fe2e0f8b02">DBUS_ERROR_BAD_ADDRESS</a>,
<a name="l00682"></a>00682                       <span class="stringliteral">"Abstract socket name too long\n"</span>);
<a name="l00683"></a>00683           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00684"></a>00684           <span class="keywordflow">return</span> -1;
<a name="l00685"></a>00685         }
<a name="l00686"></a>00686         
<a name="l00687"></a>00687       strncpy (addr.sun_path, path, path_len);
<a name="l00688"></a>00688     }
<a name="l00689"></a>00689   
<a name="l00690"></a>00690   <span class="keywordflow">if</span> (bind (listen_fd, (<span class="keyword">struct</span> sockaddr*) &amp;addr, _DBUS_STRUCT_OFFSET (<span class="keyword">struct</span> sockaddr_un, sun_path) + path_len) &lt; 0)
<a name="l00691"></a>00691     {
<a name="l00692"></a>00692       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00693"></a>00693                       <span class="stringliteral">"Failed to bind socket \"%s\": %s"</span>,
<a name="l00694"></a>00694                       path, _dbus_strerror (errno));
<a name="l00695"></a>00695       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00696"></a>00696       <span class="keywordflow">return</span> -1;
<a name="l00697"></a>00697     }
<a name="l00698"></a>00698 
<a name="l00699"></a>00699   <span class="keywordflow">if</span> (listen (listen_fd, 30 <span class="comment">/* backlog */</span>) &lt; 0)
<a name="l00700"></a>00700     {
<a name="l00701"></a>00701       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00702"></a>00702                       <span class="stringliteral">"Failed to listen on socket \"%s\": %s"</span>,
<a name="l00703"></a>00703                       path, _dbus_strerror (errno));
<a name="l00704"></a>00704       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00705"></a>00705       <span class="keywordflow">return</span> -1;
<a name="l00706"></a>00706     }
<a name="l00707"></a>00707 
<a name="l00708"></a>00708   <span class="keywordflow">if</span> (!_dbus_set_local_creds (listen_fd, <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>))
<a name="l00709"></a>00709     {
<a name="l00710"></a>00710       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00711"></a>00711                       <span class="stringliteral">"Failed to enable LOCAL_CREDS on socket \"%s\": %s"</span>,
<a name="l00712"></a>00712                       path, _dbus_strerror (errno));
<a name="l00713"></a>00713       close (listen_fd);
<a name="l00714"></a>00714       <span class="keywordflow">return</span> -1;
<a name="l00715"></a>00715     }
<a name="l00716"></a>00716 
<a name="l00717"></a>00717   <span class="keywordflow">if</span> (!_dbus_set_fd_nonblocking (listen_fd, error))
<a name="l00718"></a>00718     {
<a name="l00719"></a>00719       _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00720"></a>00720       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (listen_fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00721"></a>00721       <span class="keywordflow">return</span> -1;
<a name="l00722"></a>00722     }
<a name="l00723"></a>00723   
<a name="l00724"></a>00724   <span class="comment">/* Try opening up the permissions, but if we can't, just go ahead</span>
<a name="l00725"></a>00725 <span class="comment">   * and continue, maybe it will be good enough.</span>
<a name="l00726"></a>00726 <span class="comment">   */</span>
<a name="l00727"></a>00727   <span class="keywordflow">if</span> (!<span class="keyword">abstract</span> &amp;&amp; chmod (path, 0777) &lt; 0)
<a name="l00728"></a>00728     <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"Could not set mode 0777 on socket %s\n"</span>,
<a name="l00729"></a>00729                 path);
<a name="l00730"></a>00730   
<a name="l00731"></a>00731   <span class="keywordflow">return</span> listen_fd;
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733 
<a name="l00745"></a>00745 <span class="keywordtype">int</span>
<a name="l00746"></a><a class="code" href="group__DBusSysdeps.html#ga3adf90f6e47d30eeacf0a27d1a09ee5">00746</a> <a class="code" href="group__DBusSysdeps.html#ga3adf90f6e47d30eeacf0a27d1a09ee5">_dbus_connect_tcp_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>     *host,
<a name="l00747"></a>00747                           <span class="keyword">const</span> <span class="keywordtype">char</span>     *port,
<a name="l00748"></a>00748                           <span class="keyword">const</span> <span class="keywordtype">char</span>     *family,
<a name="l00749"></a>00749                           <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l00750"></a>00750 {
<a name="l00751"></a>00751   <span class="keywordtype">int</span> fd = -1, res;
<a name="l00752"></a>00752   <span class="keyword">struct </span>addrinfo hints;
<a name="l00753"></a>00753   <span class="keyword">struct </span>addrinfo *ai, *tmp;
<a name="l00754"></a>00754 
<a name="l00755"></a>00755   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00756"></a>00756 
<a name="l00757"></a>00757   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdeps.html#gf0c64c612b8d45429515d14849f81a57">_dbus_open_tcp_socket</a> (&amp;fd, error))
<a name="l00758"></a>00758     {
<a name="l00759"></a>00759       _DBUS_ASSERT_ERROR_IS_SET(error);
<a name="l00760"></a>00760       <span class="keywordflow">return</span> -1;
<a name="l00761"></a>00761     }
<a name="l00762"></a>00762 
<a name="l00763"></a>00763   _DBUS_ASSERT_ERROR_IS_CLEAR(error);
<a name="l00764"></a>00764 
<a name="l00765"></a>00765   <a class="code" href="group__DBusInternalsUtils.html#gec42589166158b1385d5f5439318cda2">_DBUS_ZERO</a> (hints);
<a name="l00766"></a>00766 
<a name="l00767"></a>00767   <span class="keywordflow">if</span> (!family)
<a name="l00768"></a>00768     hints.ai_family = AF_UNSPEC;
<a name="l00769"></a>00769   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(family, <span class="stringliteral">"ipv4"</span>))
<a name="l00770"></a>00770     hints.ai_family = AF_INET;
<a name="l00771"></a>00771   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(family, <span class="stringliteral">"ipv6"</span>))
<a name="l00772"></a>00772     hints.ai_family = AF_INET6;
<a name="l00773"></a>00773   <span class="keywordflow">else</span>
<a name="l00774"></a>00774     {
<a name="l00775"></a>00775       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00776"></a>00776                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00777"></a>00777                       <span class="stringliteral">"Unknown address family %s"</span>, family);
<a name="l00778"></a>00778       <span class="keywordflow">return</span> -1;
<a name="l00779"></a>00779     }
<a name="l00780"></a>00780   fprintf(stderr, <span class="stringliteral">"Family %s\n"</span>, family ? family : <span class="stringliteral">"none"</span>);
<a name="l00781"></a>00781   hints.ai_protocol = IPPROTO_TCP;
<a name="l00782"></a>00782   hints.ai_socktype = SOCK_STREAM;
<a name="l00783"></a>00783   hints.ai_flags = AI_ADDRCONFIG;
<a name="l00784"></a>00784 
<a name="l00785"></a>00785   <span class="keywordflow">if</span> ((res = getaddrinfo(host, port, &amp;hints, &amp;ai)) != 0)
<a name="l00786"></a>00786     {
<a name="l00787"></a>00787       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00788"></a>00788                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00789"></a>00789                       <span class="stringliteral">"Failed to lookup host/port: \"%s:%s\": %s (%d)"</span>,
<a name="l00790"></a>00790                       host, port, gai_strerror(res), res);
<a name="l00791"></a>00791       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00792"></a>00792       <span class="keywordflow">return</span> -1;
<a name="l00793"></a>00793     }
<a name="l00794"></a>00794 
<a name="l00795"></a>00795   tmp = ai;
<a name="l00796"></a>00796   <span class="keywordflow">while</span> (tmp)
<a name="l00797"></a>00797     {
<a name="l00798"></a>00798       <span class="keywordflow">if</span> (!_dbus_open_socket (&amp;fd, tmp-&gt;ai_family, SOCK_STREAM, 0, error))
<a name="l00799"></a>00799         {
<a name="l00800"></a>00800           freeaddrinfo(ai);
<a name="l00801"></a>00801           _DBUS_ASSERT_ERROR_IS_SET(error);
<a name="l00802"></a>00802           <span class="keywordflow">return</span> -1;
<a name="l00803"></a>00803         }
<a name="l00804"></a>00804       _DBUS_ASSERT_ERROR_IS_CLEAR(error);
<a name="l00805"></a>00805 
<a name="l00806"></a>00806       <span class="keywordflow">if</span> (connect (fd, (<span class="keyword">struct</span> sockaddr*) tmp-&gt;ai_addr, tmp-&gt;ai_addrlen) &lt; 0)
<a name="l00807"></a>00807         {
<a name="l00808"></a>00808           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a>(fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00809"></a>00809           fd = -1;
<a name="l00810"></a>00810           tmp = tmp-&gt;ai_next;
<a name="l00811"></a>00811           <span class="keywordflow">continue</span>;
<a name="l00812"></a>00812         }
<a name="l00813"></a>00813 
<a name="l00814"></a>00814       <span class="keywordflow">break</span>;
<a name="l00815"></a>00815     }
<a name="l00816"></a>00816   freeaddrinfo(ai);
<a name="l00817"></a>00817 
<a name="l00818"></a>00818   <span class="keywordflow">if</span> (fd == -1)
<a name="l00819"></a>00819     {
<a name="l00820"></a>00820       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00821"></a>00821                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00822"></a>00822                       <span class="stringliteral">"Failed to connect to socket \"%s:%s\" %s"</span>,
<a name="l00823"></a>00823                       host, port, _dbus_strerror(errno));
<a name="l00824"></a>00824       <span class="keywordflow">return</span> -1;
<a name="l00825"></a>00825     }
<a name="l00826"></a>00826 
<a name="l00827"></a>00827 
<a name="l00828"></a>00828   <span class="keywordflow">if</span> (!_dbus_set_fd_nonblocking (fd, error))
<a name="l00829"></a>00829     {
<a name="l00830"></a>00830       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00831"></a>00831       fd = -1;
<a name="l00832"></a>00832 
<a name="l00833"></a>00833       <span class="keywordflow">return</span> -1;
<a name="l00834"></a>00834     }
<a name="l00835"></a>00835 
<a name="l00836"></a>00836   <span class="keywordflow">return</span> fd;
<a name="l00837"></a>00837 }
<a name="l00838"></a>00838 
<a name="l00853"></a>00853 <span class="keywordtype">int</span>
<a name="l00854"></a><a class="code" href="group__DBusSysdeps.html#gfdae31b3b61299dbaaccfcb1205a6f30">00854</a> <a class="code" href="group__DBusSysdeps.html#gfdae31b3b61299dbaaccfcb1205a6f30">_dbus_listen_tcp_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>     *host,
<a name="l00855"></a>00855                          <span class="keyword">const</span> <span class="keywordtype">char</span>     *port,
<a name="l00856"></a>00856                          <span class="keyword">const</span> <span class="keywordtype">char</span>     *family,
<a name="l00857"></a>00857                          <a class="code" href="structDBusString.html">DBusString</a>     *retport,
<a name="l00858"></a>00858                          <span class="keywordtype">int</span>           **fds_p,
<a name="l00859"></a>00859                          <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l00860"></a>00860 {
<a name="l00861"></a>00861   <span class="keywordtype">int</span> nlisten_fd = 0, *listen_fd = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, res, i;
<a name="l00862"></a>00862   <span class="keyword">struct </span>addrinfo hints;
<a name="l00863"></a>00863   <span class="keyword">struct </span>addrinfo *ai, *tmp;
<a name="l00864"></a>00864 
<a name="l00865"></a>00865   *fds_p = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00866"></a>00866   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00867"></a>00867 
<a name="l00868"></a>00868   <a class="code" href="group__DBusInternalsUtils.html#gec42589166158b1385d5f5439318cda2">_DBUS_ZERO</a> (hints);
<a name="l00869"></a>00869 
<a name="l00870"></a>00870   <span class="keywordflow">if</span> (!family)
<a name="l00871"></a>00871     hints.ai_family = AF_UNSPEC;
<a name="l00872"></a>00872   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(family, <span class="stringliteral">"ipv4"</span>))
<a name="l00873"></a>00873     hints.ai_family = AF_INET;
<a name="l00874"></a>00874   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(family, <span class="stringliteral">"ipv6"</span>))
<a name="l00875"></a>00875     hints.ai_family = AF_INET6;
<a name="l00876"></a>00876   <span class="keywordflow">else</span>
<a name="l00877"></a>00877     {
<a name="l00878"></a>00878       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00879"></a>00879                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00880"></a>00880                       <span class="stringliteral">"Unknown address family %s"</span>, family);
<a name="l00881"></a>00881       <span class="keywordflow">return</span> -1;
<a name="l00882"></a>00882     }
<a name="l00883"></a>00883 
<a name="l00884"></a>00884   hints.ai_protocol = IPPROTO_TCP;
<a name="l00885"></a>00885   hints.ai_socktype = SOCK_STREAM;
<a name="l00886"></a>00886   hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
<a name="l00887"></a>00887 
<a name="l00888"></a>00888  redo_lookup_with_port:
<a name="l00889"></a>00889   <span class="keywordflow">if</span> ((res = getaddrinfo(host, port, &amp;hints, &amp;ai)) != 0 || !ai)
<a name="l00890"></a>00890     {
<a name="l00891"></a>00891       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l00892"></a>00892                       <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00893"></a>00893                       <span class="stringliteral">"Failed to lookup host/port: \"%s:%s\": %s (%d)"</span>,
<a name="l00894"></a>00894                       host ? host : <span class="stringliteral">"*"</span>, port, gai_strerror(res), res);
<a name="l00895"></a>00895       <span class="keywordflow">return</span> -1;
<a name="l00896"></a>00896     }
<a name="l00897"></a>00897 
<a name="l00898"></a>00898   tmp = ai;
<a name="l00899"></a>00899   <span class="keywordflow">while</span> (tmp)
<a name="l00900"></a>00900     {
<a name="l00901"></a>00901       <span class="keywordtype">int</span> fd = -1, *newlisten_fd;
<a name="l00902"></a>00902       <span class="keywordflow">if</span> (!_dbus_open_socket (&amp;fd, tmp-&gt;ai_family, SOCK_STREAM, 0, error))
<a name="l00903"></a>00903         {
<a name="l00904"></a>00904           _DBUS_ASSERT_ERROR_IS_SET(error);
<a name="l00905"></a>00905           <span class="keywordflow">goto</span> failed;
<a name="l00906"></a>00906         }
<a name="l00907"></a>00907       _DBUS_ASSERT_ERROR_IS_CLEAR(error);
<a name="l00908"></a>00908 
<a name="l00909"></a>00909       <span class="keywordflow">if</span> (bind (fd, (<span class="keyword">struct</span> sockaddr*) tmp-&gt;ai_addr, tmp-&gt;ai_addrlen) &lt; 0)
<a name="l00910"></a>00910         {
<a name="l00911"></a>00911           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a>(fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00912"></a>00912           <span class="keywordflow">if</span> (errno == EADDRINUSE)
<a name="l00913"></a>00913             {
<a name="l00914"></a>00914               <span class="comment">/* Depending on kernel policy, it may or may not</span>
<a name="l00915"></a>00915 <span class="comment">                 be neccessary to bind to both IPv4 &amp; 6 addresses</span>
<a name="l00916"></a>00916 <span class="comment">                 so ignore EADDRINUSE here */</span>
<a name="l00917"></a>00917               tmp = tmp-&gt;ai_next;
<a name="l00918"></a>00918               <span class="keywordflow">continue</span>;
<a name="l00919"></a>00919             }
<a name="l00920"></a>00920           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00921"></a>00921                           <span class="stringliteral">"Failed to bind socket \"%s:%s\": %s"</span>,
<a name="l00922"></a>00922                           host ? host : <span class="stringliteral">"*"</span>, port, _dbus_strerror (errno));
<a name="l00923"></a>00923           <span class="keywordflow">goto</span> failed;
<a name="l00924"></a>00924         }
<a name="l00925"></a>00925 
<a name="l00926"></a>00926       <span class="keywordflow">if</span> (listen (fd, 30 <span class="comment">/* backlog */</span>) &lt; 0)
<a name="l00927"></a>00927         {
<a name="l00928"></a>00928           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00929"></a>00929           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00930"></a>00930                           <span class="stringliteral">"Failed to listen on socket \"%s:%s\": %s"</span>,
<a name="l00931"></a>00931                           host ? host : <span class="stringliteral">"*"</span>, port, _dbus_strerror (errno));
<a name="l00932"></a>00932           <span class="keywordflow">goto</span> failed;
<a name="l00933"></a>00933         }
<a name="l00934"></a>00934 
<a name="l00935"></a>00935       newlisten_fd = <a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">dbus_realloc</a>(listen_fd, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>)*(nlisten_fd+1));
<a name="l00936"></a>00936       <span class="keywordflow">if</span> (!newlisten_fd)
<a name="l00937"></a>00937         {
<a name="l00938"></a>00938           <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00939"></a>00939           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00940"></a>00940                           <span class="stringliteral">"Failed to allocate file handle array: %s"</span>,
<a name="l00941"></a>00941                           _dbus_strerror (errno));
<a name="l00942"></a>00942           <span class="keywordflow">goto</span> failed;
<a name="l00943"></a>00943         }
<a name="l00944"></a>00944       listen_fd = newlisten_fd;
<a name="l00945"></a>00945       listen_fd[nlisten_fd] = fd;
<a name="l00946"></a>00946       nlisten_fd++;
<a name="l00947"></a>00947 
<a name="l00948"></a>00948       <span class="keywordflow">if</span> (!_dbus_string_get_length(retport))
<a name="l00949"></a>00949         {
<a name="l00950"></a>00950           <span class="comment">/* If the user didn't specify a port, or used 0, then</span>
<a name="l00951"></a>00951 <span class="comment">             the kernel chooses a port. After the first address</span>
<a name="l00952"></a>00952 <span class="comment">             is bound to, we need to force all remaining addresses</span>
<a name="l00953"></a>00953 <span class="comment">             to use the same port */</span>
<a name="l00954"></a>00954           <span class="keywordflow">if</span> (!port || !strcmp(port, <span class="stringliteral">"0"</span>))
<a name="l00955"></a>00955             {
<a name="l00956"></a>00956               <span class="keyword">struct </span>sockaddr_storage addr;
<a name="l00957"></a>00957               socklen_t addrlen;
<a name="l00958"></a>00958               <span class="keywordtype">char</span> portbuf[50];
<a name="l00959"></a>00959 
<a name="l00960"></a>00960               addrlen = <span class="keyword">sizeof</span>(addr);
<a name="l00961"></a>00961               getsockname(fd, (<span class="keyword">struct</span> sockaddr*) &amp;addr, &amp;addrlen);
<a name="l00962"></a>00962 
<a name="l00963"></a>00963               <span class="keywordflow">if</span> ((res = getnameinfo((<span class="keyword">struct</span> sockaddr*)&amp;addr, addrlen, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 0,
<a name="l00964"></a>00964                                      portbuf, <span class="keyword">sizeof</span>(portbuf),
<a name="l00965"></a>00965                                      NI_NUMERICHOST)) != 0)
<a name="l00966"></a>00966                 {
<a name="l00967"></a>00967                   <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l00968"></a>00968                                   <span class="stringliteral">"Failed to resolve port \"%s:%s\": %s (%s)"</span>,
<a name="l00969"></a>00969                                   host ? host : <span class="stringliteral">"*"</span>, port, gai_strerror(res), res);
<a name="l00970"></a>00970                   <span class="keywordflow">goto</span> failed;
<a name="l00971"></a>00971                 }
<a name="l00972"></a>00972               <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a>(retport, portbuf))
<a name="l00973"></a>00973                 {
<a name="l00974"></a>00974                   <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00975"></a>00975                   <span class="keywordflow">goto</span> failed;
<a name="l00976"></a>00976                 }
<a name="l00977"></a>00977 
<a name="l00978"></a>00978               <span class="comment">/* Release current address list &amp; redo lookup */</span>
<a name="l00979"></a>00979               port = _dbus_string_get_const_data(retport);
<a name="l00980"></a>00980               freeaddrinfo(ai);
<a name="l00981"></a>00981               <span class="keywordflow">goto</span> redo_lookup_with_port;
<a name="l00982"></a>00982             }
<a name="l00983"></a>00983           <span class="keywordflow">else</span>
<a name="l00984"></a>00984             {
<a name="l00985"></a>00985               <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a>(retport, port))
<a name="l00986"></a>00986                 {
<a name="l00987"></a>00987                     <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00988"></a>00988                     <span class="keywordflow">goto</span> failed;
<a name="l00989"></a>00989                 }
<a name="l00990"></a>00990             }
<a name="l00991"></a>00991         }
<a name="l00992"></a>00992 
<a name="l00993"></a>00993       tmp = tmp-&gt;ai_next;
<a name="l00994"></a>00994     }
<a name="l00995"></a>00995   freeaddrinfo(ai);
<a name="l00996"></a>00996   ai = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00997"></a>00997 
<a name="l00998"></a>00998   <span class="keywordflow">if</span> (!nlisten_fd)
<a name="l00999"></a>00999     {
<a name="l01000"></a>01000       errno = EADDRINUSE;
<a name="l01001"></a>01001       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01002"></a>01002                       <span class="stringliteral">"Failed to bind socket \"%s:%s\": %s"</span>,
<a name="l01003"></a>01003                       host ? host : <span class="stringliteral">"*"</span>, port, _dbus_strerror (errno));
<a name="l01004"></a>01004       <span class="keywordflow">return</span> -1;
<a name="l01005"></a>01005     }
<a name="l01006"></a>01006 
<a name="l01007"></a>01007   <span class="keywordflow">for</span> (i = 0 ; i &lt; nlisten_fd ; i++)
<a name="l01008"></a>01008     {
<a name="l01009"></a>01009       <span class="keywordflow">if</span> (!_dbus_set_fd_nonblocking (listen_fd[i], error))
<a name="l01010"></a>01010         {
<a name="l01011"></a>01011           <span class="keywordflow">goto</span> failed;
<a name="l01012"></a>01012         }
<a name="l01013"></a>01013     }
<a name="l01014"></a>01014 
<a name="l01015"></a>01015   *fds_p = listen_fd;
<a name="l01016"></a>01016 
<a name="l01017"></a>01017   <span class="keywordflow">return</span> nlisten_fd;
<a name="l01018"></a>01018 
<a name="l01019"></a>01019  failed:
<a name="l01020"></a>01020   <span class="keywordflow">if</span> (ai)
<a name="l01021"></a>01021     freeaddrinfo(ai);
<a name="l01022"></a>01022   <span class="keywordflow">for</span> (i = 0 ; i &lt; nlisten_fd ; i++)
<a name="l01023"></a>01023     <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a>(listen_fd[i], <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01024"></a>01024   <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a>(listen_fd);
<a name="l01025"></a>01025   <span class="keywordflow">return</span> -1;
<a name="l01026"></a>01026 }
<a name="l01027"></a>01027 
<a name="l01028"></a>01028 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01029"></a>01029 write_credentials_byte (<span class="keywordtype">int</span>             server_fd,
<a name="l01030"></a>01030                         <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l01031"></a>01031 {
<a name="l01032"></a>01032   <span class="keywordtype">int</span> bytes_written;
<a name="l01033"></a>01033   <span class="keywordtype">char</span> buf[1] = { <span class="charliteral">'\0'</span> };
<a name="l01034"></a>01034 <span class="preprocessor">#if defined(HAVE_CMSGCRED) </span>
<a name="l01035"></a>01035 <span class="preprocessor"></span>  <span class="keyword">struct </span>{
<a name="l01036"></a>01036           <span class="keyword">struct </span>cmsghdr hdr;
<a name="l01037"></a>01037           <span class="keyword">struct </span>cmsgcred cred;
<a name="l01038"></a>01038   } cmsg;
<a name="l01039"></a>01039   <span class="keyword">struct </span>iovec iov;
<a name="l01040"></a>01040   <span class="keyword">struct </span>msghdr msg;
<a name="l01041"></a>01041   iov.iov_base = buf;
<a name="l01042"></a>01042   iov.iov_len = 1;
<a name="l01043"></a>01043 
<a name="l01044"></a>01044   memset (&amp;msg, 0, <span class="keyword">sizeof</span> (msg));
<a name="l01045"></a>01045   msg.msg_iov = &amp;iov;
<a name="l01046"></a>01046   msg.msg_iovlen = 1;
<a name="l01047"></a>01047 
<a name="l01048"></a>01048   msg.msg_control = &amp;cmsg;
<a name="l01049"></a>01049   msg.msg_controllen = <span class="keyword">sizeof</span> (cmsg);
<a name="l01050"></a>01050   memset (&amp;cmsg, 0, <span class="keyword">sizeof</span> (cmsg));
<a name="l01051"></a>01051   cmsg.hdr.cmsg_len = <span class="keyword">sizeof</span> (cmsg);
<a name="l01052"></a>01052   cmsg.hdr.cmsg_level = SOL_SOCKET;
<a name="l01053"></a>01053   cmsg.hdr.cmsg_type = SCM_CREDS;
<a name="l01054"></a>01054 <span class="preprocessor">#endif</span>
<a name="l01055"></a>01055 <span class="preprocessor"></span>
<a name="l01056"></a>01056   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01057"></a>01057   
<a name="l01058"></a>01058  again:
<a name="l01059"></a>01059 
<a name="l01060"></a>01060 <span class="preprocessor">#if defined(HAVE_CMSGCRED) </span>
<a name="l01061"></a>01061 <span class="preprocessor"></span>  bytes_written = sendmsg (server_fd, &amp;msg, 0);
<a name="l01062"></a>01062 <span class="preprocessor">#else</span>
<a name="l01063"></a>01063 <span class="preprocessor"></span>  bytes_written = write (server_fd, buf, 1);
<a name="l01064"></a>01064 <span class="preprocessor">#endif</span>
<a name="l01065"></a>01065 <span class="preprocessor"></span>
<a name="l01066"></a>01066   <span class="keywordflow">if</span> (bytes_written &lt; 0 &amp;&amp; errno == EINTR)
<a name="l01067"></a>01067     <span class="keywordflow">goto</span> again;
<a name="l01068"></a>01068 
<a name="l01069"></a>01069   <span class="keywordflow">if</span> (bytes_written &lt; 0)
<a name="l01070"></a>01070     {
<a name="l01071"></a>01071       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01072"></a>01072                       <span class="stringliteral">"Failed to write credentials byte: %s"</span>,
<a name="l01073"></a>01073                      _dbus_strerror (errno));
<a name="l01074"></a>01074       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01075"></a>01075     }
<a name="l01076"></a>01076   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_written == 0)
<a name="l01077"></a>01077     {
<a name="l01078"></a>01078       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#g445d7ad73da94c796ef441df2dcc3cc8">DBUS_ERROR_IO_ERROR</a>,
<a name="l01079"></a>01079                       <span class="stringliteral">"wrote zero bytes writing credentials byte"</span>);
<a name="l01080"></a>01080       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01081"></a>01081     }
<a name="l01082"></a>01082   <span class="keywordflow">else</span>
<a name="l01083"></a>01083     {
<a name="l01084"></a>01084       <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (bytes_written == 1);
<a name="l01085"></a>01085       _dbus_verbose (<span class="stringliteral">"wrote credentials byte\n"</span>);
<a name="l01086"></a>01086       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01087"></a>01087     }
<a name="l01088"></a>01088 }
<a name="l01089"></a>01089 
<a name="l01111"></a>01111 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01112"></a><a class="code" href="group__DBusSysdeps.html#g9906c86bebb51358f0d8df6a42af30f6">01112</a> <a class="code" href="group__DBusSysdeps.html#g9906c86bebb51358f0d8df6a42af30f6">_dbus_read_credentials_socket</a>  (<span class="keywordtype">int</span>              client_fd,
<a name="l01113"></a>01113                                 <a class="code" href="structDBusCredentials.html">DBusCredentials</a> *credentials,
<a name="l01114"></a>01114                                 <a class="code" href="structDBusError.html">DBusError</a>       *error)
<a name="l01115"></a>01115 {
<a name="l01116"></a>01116   <span class="keyword">struct </span>msghdr msg;
<a name="l01117"></a>01117   <span class="keyword">struct </span>iovec iov;
<a name="l01118"></a>01118   <span class="keywordtype">char</span> buf;
<a name="l01119"></a>01119   <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a> uid_read;
<a name="l01120"></a>01120   <a class="code" href="group__DBusSysdeps.html#g1eff6303266888ec466cddba6c03aa40">dbus_pid_t</a> pid_read;
<a name="l01121"></a>01121   <span class="keywordtype">int</span> bytes_read;
<a name="l01122"></a>01122   
<a name="l01123"></a>01123   uid_read = <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>;
<a name="l01124"></a>01124   pid_read = <a class="code" href="group__DBusSysdeps.html#g4eb5f05dd6ad89caa4b0340e1cf0b8d9">DBUS_PID_UNSET</a>;
<a name="l01125"></a>01125   
<a name="l01126"></a>01126 <span class="preprocessor">#ifdef HAVE_CMSGCRED </span>
<a name="l01127"></a>01127 <span class="preprocessor"></span>  <span class="keyword">struct </span>{
<a name="l01128"></a>01128     <span class="keyword">struct </span>cmsghdr hdr;
<a name="l01129"></a>01129     <span class="keyword">struct </span>cmsgcred cred;
<a name="l01130"></a>01130   } cmsg;
<a name="l01131"></a>01131 
<a name="l01132"></a>01132 <span class="preprocessor">#elif defined(LOCAL_CREDS)</span>
<a name="l01133"></a>01133 <span class="preprocessor"></span>  <span class="keyword">struct </span>{
<a name="l01134"></a>01134     <span class="keyword">struct </span>cmsghdr hdr;
<a name="l01135"></a>01135     <span class="keyword">struct </span>sockcred cred;
<a name="l01136"></a>01136   } cmsg;
<a name="l01137"></a>01137 <span class="preprocessor">#endif</span>
<a name="l01138"></a>01138 <span class="preprocessor"></span>
<a name="l01139"></a>01139   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01140"></a>01140   
<a name="l01141"></a>01141   <span class="comment">/* The POSIX spec certainly doesn't promise this, but</span>
<a name="l01142"></a>01142 <span class="comment">   * we need these assertions to fail as soon as we're wrong about</span>
<a name="l01143"></a>01143 <span class="comment">   * it so we can do the porting fixups</span>
<a name="l01144"></a>01144 <span class="comment">   */</span>
<a name="l01145"></a>01145   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (pid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g1eff6303266888ec466cddba6c03aa40">dbus_pid_t</a>));
<a name="l01146"></a>01146   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (uid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>));
<a name="l01147"></a>01147   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (gid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g2f5c2e418b81ec2a86594f56ec6d7627">dbus_gid_t</a>));
<a name="l01148"></a>01148 
<a name="l01149"></a>01149   <a class="code" href="group__DBusCredentials.html#g40a5c7e37b10419e233a473dc7173f3c">_dbus_credentials_clear</a> (credentials);
<a name="l01150"></a>01150 
<a name="l01151"></a>01151   <span class="comment">/* Systems supporting LOCAL_CREDS are configured to have this feature</span>
<a name="l01152"></a>01152 <span class="comment">   * enabled (if it does not conflict with HAVE_CMSGCRED) prior accepting</span>
<a name="l01153"></a>01153 <span class="comment">   * the connection.  Therefore, the received message must carry the</span>
<a name="l01154"></a>01154 <span class="comment">   * credentials information without doing anything special.</span>
<a name="l01155"></a>01155 <span class="comment">   */</span>
<a name="l01156"></a>01156 
<a name="l01157"></a>01157   iov.iov_base = &amp;buf;
<a name="l01158"></a>01158   iov.iov_len = 1;
<a name="l01159"></a>01159 
<a name="l01160"></a>01160   memset (&amp;msg, 0, <span class="keyword">sizeof</span> (msg));
<a name="l01161"></a>01161   msg.msg_iov = &amp;iov;
<a name="l01162"></a>01162   msg.msg_iovlen = 1;
<a name="l01163"></a>01163 
<a name="l01164"></a>01164 <span class="preprocessor">#if defined(HAVE_CMSGCRED) || defined(LOCAL_CREDS)</span>
<a name="l01165"></a>01165 <span class="preprocessor"></span>  memset (&amp;cmsg, 0, <span class="keyword">sizeof</span> (cmsg));
<a name="l01166"></a>01166   msg.msg_control = &amp;cmsg;
<a name="l01167"></a>01167   msg.msg_controllen = <span class="keyword">sizeof</span> (cmsg);
<a name="l01168"></a>01168 <span class="preprocessor">#endif</span>
<a name="l01169"></a>01169 <span class="preprocessor"></span>
<a name="l01170"></a>01170  again:
<a name="l01171"></a>01171   bytes_read = recvmsg (client_fd, &amp;msg, 0);
<a name="l01172"></a>01172 
<a name="l01173"></a>01173   <span class="keywordflow">if</span> (bytes_read &lt; 0)
<a name="l01174"></a>01174     {
<a name="l01175"></a>01175       <span class="keywordflow">if</span> (errno == EINTR)
<a name="l01176"></a>01176         <span class="keywordflow">goto</span> again;
<a name="l01177"></a>01177 
<a name="l01178"></a>01178       <span class="comment">/* EAGAIN or EWOULDBLOCK would be unexpected here since we would</span>
<a name="l01179"></a>01179 <span class="comment">       * normally only call read_credentials if the socket was ready</span>
<a name="l01180"></a>01180 <span class="comment">       * for reading</span>
<a name="l01181"></a>01181 <span class="comment">       */</span>
<a name="l01182"></a>01182       
<a name="l01183"></a>01183       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01184"></a>01184                       <span class="stringliteral">"Failed to read credentials byte: %s"</span>,
<a name="l01185"></a>01185                       _dbus_strerror (errno));
<a name="l01186"></a>01186       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01187"></a>01187     }
<a name="l01188"></a>01188   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_read == 0)
<a name="l01189"></a>01189     {
<a name="l01190"></a>01190       <span class="comment">/* this should not happen unless we are using recvmsg wrong,</span>
<a name="l01191"></a>01191 <span class="comment">       * so is essentially here for paranoia</span>
<a name="l01192"></a>01192 <span class="comment">       */</span>
<a name="l01193"></a>01193       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l01194"></a>01194                       <span class="stringliteral">"Failed to read credentials byte (zero-length read)"</span>);
<a name="l01195"></a>01195       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01196"></a>01196     }
<a name="l01197"></a>01197   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (buf != <span class="charliteral">'\0'</span>)
<a name="l01198"></a>01198     {
<a name="l01199"></a>01199       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l01200"></a>01200                       <span class="stringliteral">"Credentials byte was not nul"</span>);
<a name="l01201"></a>01201       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01202"></a>01202     }
<a name="l01203"></a>01203 
<a name="l01204"></a>01204 <span class="preprocessor">#if defined(HAVE_CMSGCRED) || defined(LOCAL_CREDS)</span>
<a name="l01205"></a>01205 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (cmsg.hdr.cmsg_len &lt; sizeof (cmsg) || cmsg.hdr.cmsg_type != SCM_CREDS)
<a name="l01206"></a>01206     {
<a name="l01207"></a>01207       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l01208"></a>01208                       <span class="stringliteral">"Message from recvmsg() was not SCM_CREDS"</span>);
<a name="l01209"></a>01209       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01210"></a>01210     }
<a name="l01211"></a>01211 <span class="preprocessor">#endif</span>
<a name="l01212"></a>01212 <span class="preprocessor"></span>
<a name="l01213"></a>01213   _dbus_verbose (<span class="stringliteral">"read credentials byte\n"</span>);
<a name="l01214"></a>01214 
<a name="l01215"></a>01215   {
<a name="l01216"></a>01216 <span class="preprocessor">#ifdef SO_PEERCRED</span>
<a name="l01217"></a>01217 <span class="preprocessor"></span>    <span class="keyword">struct </span>ucred cr;   
<a name="l01218"></a>01218     <span class="keywordtype">int</span> cr_len = <span class="keyword">sizeof</span> (cr);
<a name="l01219"></a>01219     
<a name="l01220"></a>01220     <span class="keywordflow">if</span> (getsockopt (client_fd, SOL_SOCKET, SO_PEERCRED, &amp;cr, &amp;cr_len) == 0 &amp;&amp;
<a name="l01221"></a>01221         cr_len == <span class="keyword">sizeof</span> (cr))
<a name="l01222"></a>01222       {
<a name="l01223"></a>01223         pid_read = cr.pid;
<a name="l01224"></a>01224         uid_read = cr.uid;
<a name="l01225"></a>01225       }
<a name="l01226"></a>01226     <span class="keywordflow">else</span>
<a name="l01227"></a>01227       {
<a name="l01228"></a>01228         _dbus_verbose (<span class="stringliteral">"Failed to getsockopt() credentials, returned len %d/%d: %s\n"</span>,
<a name="l01229"></a>01229                        cr_len, (<span class="keywordtype">int</span>) <span class="keyword">sizeof</span> (cr), _dbus_strerror (errno));
<a name="l01230"></a>01230       }
<a name="l01231"></a>01231 <span class="preprocessor">#elif defined(HAVE_CMSGCRED)</span>
<a name="l01232"></a>01232 <span class="preprocessor"></span>    pid_read = cmsg.cred.cmcred_pid;
<a name="l01233"></a>01233     uid_read = cmsg.cred.cmcred_euid;
<a name="l01234"></a>01234 <span class="preprocessor">#elif defined(LOCAL_CREDS)</span>
<a name="l01235"></a>01235 <span class="preprocessor"></span>    pid_read = <a class="code" href="group__DBusSysdeps.html#g4eb5f05dd6ad89caa4b0340e1cf0b8d9">DBUS_PID_UNSET</a>;
<a name="l01236"></a>01236     uid_read = cmsg.cred.sc_uid;
<a name="l01237"></a>01237     <span class="comment">/* Since we have already got the credentials from this socket, we can</span>
<a name="l01238"></a>01238 <span class="comment">     * disable its LOCAL_CREDS flag if it was ever set. */</span>
<a name="l01239"></a>01239     _dbus_set_local_creds (client_fd, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>);
<a name="l01240"></a>01240 <span class="preprocessor">#elif defined(HAVE_GETPEEREID)</span>
<a name="l01241"></a>01241 <span class="preprocessor"></span>    uid_t euid;
<a name="l01242"></a>01242     gid_t egid;
<a name="l01243"></a>01243     <span class="keywordflow">if</span> (getpeereid (client_fd, &amp;euid, &amp;egid) == 0)
<a name="l01244"></a>01244       {
<a name="l01245"></a>01245         uid_read = euid;
<a name="l01246"></a>01246       }
<a name="l01247"></a>01247     <span class="keywordflow">else</span>
<a name="l01248"></a>01248       {
<a name="l01249"></a>01249         _dbus_verbose (<span class="stringliteral">"Failed to getpeereid() credentials: %s\n"</span>, _dbus_strerror (errno));
<a name="l01250"></a>01250       }
<a name="l01251"></a>01251 <span class="preprocessor">#elif defined(HAVE_GETPEERUCRED)</span>
<a name="l01252"></a>01252 <span class="preprocessor"></span>    ucred_t * ucred = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01253"></a>01253     <span class="keywordflow">if</span> (getpeerucred (client_fd, &amp;ucred) == 0)
<a name="l01254"></a>01254       {
<a name="l01255"></a>01255         pid_read = ucred_getpid (ucred);
<a name="l01256"></a>01256         uid_read = ucred_geteuid (ucred);
<a name="l01257"></a>01257       }
<a name="l01258"></a>01258     <span class="keywordflow">else</span>
<a name="l01259"></a>01259       {
<a name="l01260"></a>01260         _dbus_verbose (<span class="stringliteral">"Failed to getpeerucred() credentials: %s\n"</span>, _dbus_strerror (errno));
<a name="l01261"></a>01261       }
<a name="l01262"></a>01262     <span class="keywordflow">if</span> (ucred != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01263"></a>01263       ucred_free (ucred);
<a name="l01264"></a>01264 <span class="preprocessor">#else </span><span class="comment">/* !SO_PEERCRED &amp;&amp; !HAVE_CMSGCRED &amp;&amp; !HAVE_GETPEEREID &amp;&amp; !HAVE_GETPEERUCRED */</span>
<a name="l01265"></a>01265     _dbus_verbose (<span class="stringliteral">"Socket credentials not supported on this OS\n"</span>);
<a name="l01266"></a>01266 <span class="preprocessor">#endif</span>
<a name="l01267"></a>01267 <span class="preprocessor"></span>  }
<a name="l01268"></a>01268 
<a name="l01269"></a>01269   _dbus_verbose (<span class="stringliteral">"Credentials:"</span>
<a name="l01270"></a>01270                  <span class="stringliteral">"  pid "</span><a class="code" href="group__DBusSysdeps.html#gf4553a43e3b8c0e43d9148a00dcc3fa4">DBUS_PID_FORMAT</a>
<a name="l01271"></a>01271                  <span class="stringliteral">"  uid "</span><a class="code" href="group__DBusSysdeps.html#gb657f0434f01b463891942f373f7b4a1">DBUS_UID_FORMAT</a>
<a name="l01272"></a>01272                  <span class="stringliteral">"\n"</span>,
<a name="l01273"></a>01273                  pid_read,
<a name="l01274"></a>01274                  uid_read);
<a name="l01275"></a>01275 
<a name="l01276"></a>01276   <span class="keywordflow">if</span> (pid_read != <a class="code" href="group__DBusSysdeps.html#g4eb5f05dd6ad89caa4b0340e1cf0b8d9">DBUS_PID_UNSET</a>)
<a name="l01277"></a>01277     {
<a name="l01278"></a>01278       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusCredentials.html#gab529d2bbf26caaffc6fbe54e6507819">_dbus_credentials_add_unix_pid</a> (credentials, pid_read))
<a name="l01279"></a>01279         {
<a name="l01280"></a>01280           _DBUS_SET_OOM (error);
<a name="l01281"></a>01281           <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01282"></a>01282         }
<a name="l01283"></a>01283     }
<a name="l01284"></a>01284 
<a name="l01285"></a>01285   <span class="keywordflow">if</span> (uid_read != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>)
<a name="l01286"></a>01286     {
<a name="l01287"></a>01287       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusCredentials.html#g9cec6da43e4be233d44f5bd60b071624">_dbus_credentials_add_unix_uid</a> (credentials, uid_read))
<a name="l01288"></a>01288         {
<a name="l01289"></a>01289           _DBUS_SET_OOM (error);
<a name="l01290"></a>01290           <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01291"></a>01291         }
<a name="l01292"></a>01292     }
<a name="l01293"></a>01293   
<a name="l01294"></a>01294   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01295"></a>01295 }
<a name="l01296"></a>01296 
<a name="l01314"></a>01314 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01315"></a><a class="code" href="group__DBusSysdeps.html#g6cc9916aa1dde4d44072ee85b5691b5b">01315</a> <a class="code" href="group__DBusSysdeps.html#g6cc9916aa1dde4d44072ee85b5691b5b">_dbus_send_credentials_socket</a>  (<span class="keywordtype">int</span>              server_fd,
<a name="l01316"></a>01316                                 <a class="code" href="structDBusError.html">DBusError</a>       *error)
<a name="l01317"></a>01317 {
<a name="l01318"></a>01318   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01319"></a>01319   
<a name="l01320"></a>01320   <span class="keywordflow">if</span> (write_credentials_byte (server_fd, error))
<a name="l01321"></a>01321     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01322"></a>01322   <span class="keywordflow">else</span>
<a name="l01323"></a>01323     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01324"></a>01324 }
<a name="l01325"></a>01325 
<a name="l01333"></a>01333 <span class="keywordtype">int</span>
<a name="l01334"></a><a class="code" href="group__DBusSysdeps.html#g687f4393a365474ec16f02e40c418cce">01334</a> <a class="code" href="group__DBusSysdeps.html#g687f4393a365474ec16f02e40c418cce">_dbus_accept</a>  (<span class="keywordtype">int</span> listen_fd)
<a name="l01335"></a>01335 {
<a name="l01336"></a>01336   <span class="keywordtype">int</span> client_fd;
<a name="l01337"></a>01337   <span class="keyword">struct </span>sockaddr addr;
<a name="l01338"></a>01338   socklen_t addrlen;
<a name="l01339"></a>01339 
<a name="l01340"></a>01340   addrlen = <span class="keyword">sizeof</span> (addr);
<a name="l01341"></a>01341   
<a name="l01342"></a>01342  retry:
<a name="l01343"></a>01343   client_fd = accept (listen_fd, &amp;addr, &amp;addrlen);
<a name="l01344"></a>01344   
<a name="l01345"></a>01345   <span class="keywordflow">if</span> (client_fd &lt; 0)
<a name="l01346"></a>01346     {
<a name="l01347"></a>01347       <span class="keywordflow">if</span> (errno == EINTR)
<a name="l01348"></a>01348         <span class="keywordflow">goto</span> retry;
<a name="l01349"></a>01349     }
<a name="l01350"></a>01350 
<a name="l01351"></a>01351   _dbus_verbose (<span class="stringliteral">"client fd %d accepted\n"</span>, client_fd);
<a name="l01352"></a>01352   
<a name="l01353"></a>01353   <span class="keywordflow">return</span> client_fd;
<a name="l01354"></a>01354 }
<a name="l01355"></a>01355 
<a name="l01364"></a>01364 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01365"></a><a class="code" href="group__DBusSysdeps.html#g8e16f75e361d9fed43223f69baf0e2a5">01365</a> <a class="code" href="group__DBusSysdeps.html#g8e16f75e361d9fed43223f69baf0e2a5">_dbus_check_dir_is_private_to_user</a> (<a class="code" href="structDBusString.html">DBusString</a> *dir, <a class="code" href="structDBusError.html">DBusError</a> *error)
<a name="l01366"></a>01366 {
<a name="l01367"></a>01367   <span class="keyword">const</span> <span class="keywordtype">char</span> *directory;
<a name="l01368"></a>01368   <span class="keyword">struct </span>stat sb;
<a name="l01369"></a>01369         
<a name="l01370"></a>01370   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01371"></a>01371     
<a name="l01372"></a>01372   directory = _dbus_string_get_const_data (dir);
<a name="l01373"></a>01373         
<a name="l01374"></a>01374   <span class="keywordflow">if</span> (stat (directory, &amp;sb) &lt; 0)
<a name="l01375"></a>01375     {
<a name="l01376"></a>01376       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01377"></a>01377                       <span class="stringliteral">"%s"</span>, _dbus_strerror (errno));
<a name="l01378"></a>01378    
<a name="l01379"></a>01379       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01380"></a>01380     }
<a name="l01381"></a>01381     
<a name="l01382"></a>01382   <span class="keywordflow">if</span> ((S_IROTH &amp; sb.st_mode) || (S_IWOTH &amp; sb.st_mode) ||
<a name="l01383"></a>01383       (S_IRGRP &amp; sb.st_mode) || (S_IWGRP &amp; sb.st_mode))
<a name="l01384"></a>01384     {
<a name="l01385"></a>01385       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l01386"></a>01386                      <span class="stringliteral">"%s directory is not private to the user"</span>, directory);
<a name="l01387"></a>01387       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01388"></a>01388     }
<a name="l01389"></a>01389     
<a name="l01390"></a>01390   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01391"></a>01391 }
<a name="l01392"></a>01392 
<a name="l01393"></a>01393 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01394"></a>01394 fill_user_info_from_passwd (<span class="keyword">struct</span> passwd *p,
<a name="l01395"></a>01395                             <a class="code" href="structDBusUserInfo.html">DBusUserInfo</a>  *info,
<a name="l01396"></a>01396                             <a class="code" href="structDBusError.html">DBusError</a>     *error)
<a name="l01397"></a>01397 {
<a name="l01398"></a>01398   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (p-&gt;pw_name != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01399"></a>01399   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (p-&gt;pw_dir != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01400"></a>01400   
<a name="l01401"></a>01401   info-&gt;<a class="code" href="structDBusUserInfo.html#2d9c74d29f371e391a79b81162050b2e">uid</a> = p-&gt;pw_uid;
<a name="l01402"></a>01402   info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a> = p-&gt;pw_gid;
<a name="l01403"></a>01403   info-&gt;<a class="code" href="structDBusUserInfo.html#c6b57db1dc8315eee3f532f4e77912d1">username</a> = <a class="code" href="group__DBusInternalsUtils.html#g9d00d77f6595b9d7ac1baf59d44bf58c">_dbus_strdup</a> (p-&gt;pw_name);
<a name="l01404"></a>01404   info-&gt;<a class="code" href="structDBusUserInfo.html#5235d4d021cd134e1130e1e8e912bc0c">homedir</a> = <a class="code" href="group__DBusInternalsUtils.html#g9d00d77f6595b9d7ac1baf59d44bf58c">_dbus_strdup</a> (p-&gt;pw_dir);
<a name="l01405"></a>01405   
<a name="l01406"></a>01406   <span class="keywordflow">if</span> (info-&gt;<a class="code" href="structDBusUserInfo.html#c6b57db1dc8315eee3f532f4e77912d1">username</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> ||
<a name="l01407"></a>01407       info-&gt;<a class="code" href="structDBusUserInfo.html#5235d4d021cd134e1130e1e8e912bc0c">homedir</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01408"></a>01408     {
<a name="l01409"></a>01409       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01410"></a>01410       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01411"></a>01411     }
<a name="l01412"></a>01412 
<a name="l01413"></a>01413   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01414"></a>01414 }
<a name="l01415"></a>01415 
<a name="l01416"></a>01416 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01417"></a>01417 fill_user_info (<a class="code" href="structDBusUserInfo.html">DBusUserInfo</a>       *info,
<a name="l01418"></a>01418                 <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>          uid,
<a name="l01419"></a>01419                 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a>   *username,
<a name="l01420"></a>01420                 <a class="code" href="structDBusError.html">DBusError</a>          *error)
<a name="l01421"></a>01421 {
<a name="l01422"></a>01422   <span class="keyword">const</span> <span class="keywordtype">char</span> *username_c;
<a name="l01423"></a>01423   
<a name="l01424"></a>01424   <span class="comment">/* exactly one of username/uid provided */</span>
<a name="l01425"></a>01425   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (username != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> || uid != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>);
<a name="l01426"></a>01426   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (username == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> || uid == <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>);
<a name="l01427"></a>01427 
<a name="l01428"></a>01428   info-&gt;<a class="code" href="structDBusUserInfo.html#2d9c74d29f371e391a79b81162050b2e">uid</a> = <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>;
<a name="l01429"></a>01429   info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a> = <a class="code" href="group__DBusSysdeps.html#g768a080926a119a6131083facc0bd42b">DBUS_GID_UNSET</a>;
<a name="l01430"></a>01430   info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a> = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01431"></a>01431   info-&gt;<a class="code" href="structDBusUserInfo.html#21c07867fbffb1854a97aed265d87c89">n_group_ids</a> = 0;
<a name="l01432"></a>01432   info-&gt;<a class="code" href="structDBusUserInfo.html#c6b57db1dc8315eee3f532f4e77912d1">username</a> = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01433"></a>01433   info-&gt;<a class="code" href="structDBusUserInfo.html#5235d4d021cd134e1130e1e8e912bc0c">homedir</a> = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01434"></a>01434   
<a name="l01435"></a>01435   <span class="keywordflow">if</span> (username != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01436"></a>01436     username_c = _dbus_string_get_const_data (username);
<a name="l01437"></a>01437   <span class="keywordflow">else</span>
<a name="l01438"></a>01438     username_c = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01439"></a>01439 
<a name="l01440"></a>01440   <span class="comment">/* For now assuming that the getpwnam() and getpwuid() flavors</span>
<a name="l01441"></a>01441 <span class="comment">   * are always symmetrical, if not we have to add more configure</span>
<a name="l01442"></a>01442 <span class="comment">   * checks</span>
<a name="l01443"></a>01443 <span class="comment">   */</span>
<a name="l01444"></a>01444   
<a name="l01445"></a>01445 <span class="preprocessor">#if defined (HAVE_POSIX_GETPWNAM_R) || defined (HAVE_NONPOSIX_GETPWNAM_R)</span>
<a name="l01446"></a>01446 <span class="preprocessor"></span>  {
<a name="l01447"></a>01447     <span class="keyword">struct </span>passwd *p;
<a name="l01448"></a>01448     <span class="keywordtype">int</span> result;
<a name="l01449"></a>01449     <span class="keywordtype">char</span> buf[1024];
<a name="l01450"></a>01450     <span class="keyword">struct </span>passwd p_str;
<a name="l01451"></a>01451 
<a name="l01452"></a>01452     p = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l01453"></a>01453 <span class="preprocessor">#ifdef HAVE_POSIX_GETPWNAM_R</span>
<a name="l01454"></a>01454 <span class="preprocessor"></span>    <span class="keywordflow">if</span> (uid != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>)
<a name="l01455"></a>01455       result = getpwuid_r (uid, &amp;p_str, buf, <span class="keyword">sizeof</span> (buf),
<a name="l01456"></a>01456                            &amp;p);
<a name="l01457"></a>01457     <span class="keywordflow">else</span>
<a name="l01458"></a>01458       result = getpwnam_r (username_c, &amp;p_str, buf, <span class="keyword">sizeof</span> (buf),
<a name="l01459"></a>01459                            &amp;p);
<a name="l01460"></a>01460 <span class="preprocessor">#else</span>
<a name="l01461"></a>01461 <span class="preprocessor"></span>    <span class="keywordflow">if</span> (uid != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>)
<a name="l01462"></a>01462       p = getpwuid_r (uid, &amp;p_str, buf, <span class="keyword">sizeof</span> (buf));
<a name="l01463"></a>01463     <span class="keywordflow">else</span>
<a name="l01464"></a>01464       p = getpwnam_r (username_c, &amp;p_str, buf, <span class="keyword">sizeof</span> (buf));
<a name="l01465"></a>01465     result = 0;
<a name="l01466"></a>01466 <span class="preprocessor">#endif </span><span class="comment">/* !HAVE_POSIX_GETPWNAM_R */</span>
<a name="l01467"></a>01467     <span class="keywordflow">if</span> (result == 0 &amp;&amp; p == &amp;p_str)
<a name="l01468"></a>01468       {
<a name="l01469"></a>01469         <span class="keywordflow">if</span> (!fill_user_info_from_passwd (p, info, error))
<a name="l01470"></a>01470           <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01471"></a>01471       }
<a name="l01472"></a>01472     <span class="keywordflow">else</span>
<a name="l01473"></a>01473       {
<a name="l01474"></a>01474         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01475"></a>01475                         <span class="stringliteral">"User \"%s\" unknown or no memory to allocate password entry\n"</span>,
<a name="l01476"></a>01476                         username_c ? username_c : <span class="stringliteral">"???"</span>);
<a name="l01477"></a>01477         _dbus_verbose (<span class="stringliteral">"User %s unknown\n"</span>, username_c ? username_c : <span class="stringliteral">"???"</span>);
<a name="l01478"></a>01478         <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01479"></a>01479       }
<a name="l01480"></a>01480   }
<a name="l01481"></a>01481 <span class="preprocessor">#else </span><span class="comment">/* ! HAVE_GETPWNAM_R */</span>
<a name="l01482"></a>01482   {
<a name="l01483"></a>01483     <span class="comment">/* I guess we're screwed on thread safety here */</span>
<a name="l01484"></a>01484     <span class="keyword">struct </span>passwd *p;
<a name="l01485"></a>01485 
<a name="l01486"></a>01486     <span class="keywordflow">if</span> (uid != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>)
<a name="l01487"></a>01487       p = getpwuid (uid);
<a name="l01488"></a>01488     <span class="keywordflow">else</span>
<a name="l01489"></a>01489       p = getpwnam (username_c);
<a name="l01490"></a>01490 
<a name="l01491"></a>01491     <span class="keywordflow">if</span> (p != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01492"></a>01492       {
<a name="l01493"></a>01493         <span class="keywordflow">if</span> (!fill_user_info_from_passwd (p, info, error))
<a name="l01494"></a>01494           <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01495"></a>01495       }
<a name="l01496"></a>01496     <span class="keywordflow">else</span>
<a name="l01497"></a>01497       {
<a name="l01498"></a>01498         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01499"></a>01499                         <span class="stringliteral">"User \"%s\" unknown or no memory to allocate password entry\n"</span>,
<a name="l01500"></a>01500                         username_c ? username_c : <span class="stringliteral">"???"</span>);
<a name="l01501"></a>01501         _dbus_verbose (<span class="stringliteral">"User %s unknown\n"</span>, username_c ? username_c : <span class="stringliteral">"???"</span>);
<a name="l01502"></a>01502         <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01503"></a>01503       }
<a name="l01504"></a>01504   }
<a name="l01505"></a>01505 <span class="preprocessor">#endif  </span><span class="comment">/* ! HAVE_GETPWNAM_R */</span>
<a name="l01506"></a>01506 
<a name="l01507"></a>01507   <span class="comment">/* Fill this in so we can use it to get groups */</span>
<a name="l01508"></a>01508   username_c = info-&gt;<a class="code" href="structDBusUserInfo.html#c6b57db1dc8315eee3f532f4e77912d1">username</a>;
<a name="l01509"></a>01509   
<a name="l01510"></a>01510 <span class="preprocessor">#ifdef HAVE_GETGROUPLIST</span>
<a name="l01511"></a>01511 <span class="preprocessor"></span>  {
<a name="l01512"></a>01512     gid_t *buf;
<a name="l01513"></a>01513     <span class="keywordtype">int</span> buf_count;
<a name="l01514"></a>01514     <span class="keywordtype">int</span> i;
<a name="l01515"></a>01515     
<a name="l01516"></a>01516     buf_count = 17;
<a name="l01517"></a>01517     buf = <a class="code" href="group__DBusMemory.html#g54ccb556e7964112a825a7f46c156ca0">dbus_new</a> (gid_t, buf_count);
<a name="l01518"></a>01518     <span class="keywordflow">if</span> (buf == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01519"></a>01519       {
<a name="l01520"></a>01520         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01521"></a>01521         <span class="keywordflow">goto</span> failed;
<a name="l01522"></a>01522       }
<a name="l01523"></a>01523     
<a name="l01524"></a>01524     <span class="keywordflow">if</span> (getgrouplist (username_c,
<a name="l01525"></a>01525                       info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a>,
<a name="l01526"></a>01526                       buf, &amp;buf_count) &lt; 0)
<a name="l01527"></a>01527       {
<a name="l01528"></a>01528         gid_t *<span class="keyword">new</span> = <a class="code" href="group__DBusMemory.html#g621d9ba15ea8ae44501b0fbf756cbeac">dbus_realloc</a> (buf, buf_count * <span class="keyword">sizeof</span> (buf[0]));
<a name="l01529"></a>01529         <span class="keywordflow">if</span> (<span class="keyword">new</span> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01530"></a>01530           {
<a name="l01531"></a>01531             <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01532"></a>01532             <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (buf);
<a name="l01533"></a>01533             <span class="keywordflow">goto</span> failed;
<a name="l01534"></a>01534           }
<a name="l01535"></a>01535         
<a name="l01536"></a>01536         buf = <span class="keyword">new</span>;
<a name="l01537"></a>01537 
<a name="l01538"></a>01538         errno = 0;
<a name="l01539"></a>01539         <span class="keywordflow">if</span> (getgrouplist (username_c, info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a>, buf, &amp;buf_count) &lt; 0)
<a name="l01540"></a>01540           {
<a name="l01541"></a>01541             <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l01542"></a>01542                             <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01543"></a>01543                             <span class="stringliteral">"Failed to get groups for username \"%s\" primary GID "</span>
<a name="l01544"></a>01544                             <a class="code" href="group__DBusSysdeps.html#gaab5918b2ae57886d9783df09bd61c7e">DBUS_GID_FORMAT</a> <span class="stringliteral">": %s\n"</span>,
<a name="l01545"></a>01545                             username_c, info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a>,
<a name="l01546"></a>01546                             _dbus_strerror (errno));
<a name="l01547"></a>01547             <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (buf);
<a name="l01548"></a>01548             <span class="keywordflow">goto</span> failed;
<a name="l01549"></a>01549           }
<a name="l01550"></a>01550       }
<a name="l01551"></a>01551 
<a name="l01552"></a>01552     info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a> = <a class="code" href="group__DBusMemory.html#g54ccb556e7964112a825a7f46c156ca0">dbus_new</a> (<a class="code" href="group__DBusSysdeps.html#g2f5c2e418b81ec2a86594f56ec6d7627">dbus_gid_t</a>, buf_count);
<a name="l01553"></a>01553     <span class="keywordflow">if</span> (info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01554"></a>01554       {
<a name="l01555"></a>01555         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01556"></a>01556         <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (buf);
<a name="l01557"></a>01557         <span class="keywordflow">goto</span> failed;
<a name="l01558"></a>01558       }
<a name="l01559"></a>01559     
<a name="l01560"></a>01560     <span class="keywordflow">for</span> (i = 0; i &lt; buf_count; ++i)
<a name="l01561"></a>01561       info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a>[i] = buf[i];
<a name="l01562"></a>01562 
<a name="l01563"></a>01563     info-&gt;<a class="code" href="structDBusUserInfo.html#21c07867fbffb1854a97aed265d87c89">n_group_ids</a> = buf_count;
<a name="l01564"></a>01564     
<a name="l01565"></a>01565     <a class="code" href="group__DBusMemory.html#g488c6b08cc8c1ddf0203243c4b27a13c">dbus_free</a> (buf);
<a name="l01566"></a>01566   }
<a name="l01567"></a>01567 <span class="preprocessor">#else  </span><span class="comment">/* HAVE_GETGROUPLIST */</span>
<a name="l01568"></a>01568   {
<a name="l01569"></a>01569     <span class="comment">/* We just get the one group ID */</span>
<a name="l01570"></a>01570     info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a> = <a class="code" href="group__DBusMemory.html#g54ccb556e7964112a825a7f46c156ca0">dbus_new</a> (<a class="code" href="group__DBusSysdeps.html#g2f5c2e418b81ec2a86594f56ec6d7627">dbus_gid_t</a>, 1);
<a name="l01571"></a>01571     <span class="keywordflow">if</span> (info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l01572"></a>01572       {
<a name="l01573"></a>01573         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01574"></a>01574         <span class="keywordflow">goto</span> failed;
<a name="l01575"></a>01575       }
<a name="l01576"></a>01576 
<a name="l01577"></a>01577     info-&gt;<a class="code" href="structDBusUserInfo.html#21c07867fbffb1854a97aed265d87c89">n_group_ids</a> = 1;
<a name="l01578"></a>01578 
<a name="l01579"></a>01579     (info-&gt;<a class="code" href="structDBusUserInfo.html#902af9e0fb7d37c14eefb7d2b016ab11">group_ids</a>)[0] = info-&gt;<a class="code" href="structDBusUserInfo.html#c970de2fac9ea4ba91485e6c37c3bf93">primary_gid</a>;
<a name="l01580"></a>01580   }
<a name="l01581"></a>01581 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_GETGROUPLIST */</span>
<a name="l01582"></a>01582 
<a name="l01583"></a>01583   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01584"></a>01584   
<a name="l01585"></a>01585   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01586"></a>01586   
<a name="l01587"></a>01587  failed:
<a name="l01588"></a>01588   _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l01589"></a>01589   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01590"></a>01590 }
<a name="l01591"></a>01591 
<a name="l01600"></a>01600 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01601"></a><a class="code" href="group__DBusSysdepsUnix.html#g95e9deb9dd2d76aa3a64fdac555d956d">01601</a> <a class="code" href="group__DBusSysdepsUnix.html#g95e9deb9dd2d76aa3a64fdac555d956d">_dbus_user_info_fill</a> (<a class="code" href="structDBusUserInfo.html">DBusUserInfo</a>     *info,
<a name="l01602"></a>01602                       <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *username,
<a name="l01603"></a>01603                       <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l01604"></a>01604 {
<a name="l01605"></a>01605   <span class="keywordflow">return</span> fill_user_info (info, <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>,
<a name="l01606"></a>01606                          username, error);
<a name="l01607"></a>01607 }
<a name="l01608"></a>01608 
<a name="l01617"></a>01617 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01618"></a><a class="code" href="group__DBusSysdepsUnix.html#gfcc2fbcde2c72f499f04fa43d97dfcec">01618</a> <a class="code" href="group__DBusSysdepsUnix.html#gfcc2fbcde2c72f499f04fa43d97dfcec">_dbus_user_info_fill_uid</a> (<a class="code" href="structDBusUserInfo.html">DBusUserInfo</a> *info,
<a name="l01619"></a>01619                           <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>    uid,
<a name="l01620"></a>01620                           <a class="code" href="structDBusError.html">DBusError</a>    *error)
<a name="l01621"></a>01621 {
<a name="l01622"></a>01622   <span class="keywordflow">return</span> fill_user_info (info, uid,
<a name="l01623"></a>01623                          <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, error);
<a name="l01624"></a>01624 }
<a name="l01625"></a>01625 
<a name="l01633"></a>01633 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01634"></a><a class="code" href="group__DBusSysdeps.html#g9d5493f8bd1c5577060c8c6dce44d09f">01634</a> <a class="code" href="group__DBusSysdeps.html#g9d5493f8bd1c5577060c8c6dce44d09f">_dbus_credentials_add_from_current_process</a> (<a class="code" href="structDBusCredentials.html">DBusCredentials</a> *credentials)
<a name="l01635"></a>01635 {
<a name="l01636"></a>01636   <span class="comment">/* The POSIX spec certainly doesn't promise this, but</span>
<a name="l01637"></a>01637 <span class="comment">   * we need these assertions to fail as soon as we're wrong about</span>
<a name="l01638"></a>01638 <span class="comment">   * it so we can do the porting fixups</span>
<a name="l01639"></a>01639 <span class="comment">   */</span>
<a name="l01640"></a>01640   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (pid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g1eff6303266888ec466cddba6c03aa40">dbus_pid_t</a>));
<a name="l01641"></a>01641   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (uid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>));
<a name="l01642"></a>01642   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (<span class="keyword">sizeof</span> (gid_t) &lt;= <span class="keyword">sizeof</span> (<a class="code" href="group__DBusSysdeps.html#g2f5c2e418b81ec2a86594f56ec6d7627">dbus_gid_t</a>));
<a name="l01643"></a>01643 
<a name="l01644"></a>01644   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusCredentials.html#gab529d2bbf26caaffc6fbe54e6507819">_dbus_credentials_add_unix_pid</a>(credentials, <a class="code" href="group__DBusSysdeps.html#g870807b07f3b1c1a725eb9408edad147">_dbus_getpid</a>()))
<a name="l01645"></a>01645     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01646"></a>01646   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusCredentials.html#g9cec6da43e4be233d44f5bd60b071624">_dbus_credentials_add_unix_uid</a>(credentials, <a class="code" href="group__DBusSysdepsUnix.html#ge7701063932951bdd8a7df0dcacb3bab">_dbus_getuid</a>()))
<a name="l01647"></a>01647     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01648"></a>01648 
<a name="l01649"></a>01649   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01650"></a>01650 }
<a name="l01651"></a>01651 
<a name="l01663"></a>01663 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01664"></a><a class="code" href="group__DBusSysdeps.html#g095c54de3974c6d04c29ef86c6e06e35">01664</a> <a class="code" href="group__DBusSysdeps.html#g095c54de3974c6d04c29ef86c6e06e35">_dbus_append_user_from_current_process</a> (<a class="code" href="structDBusString.html">DBusString</a> *str)
<a name="l01665"></a>01665 {
<a name="l01666"></a>01666   <span class="keywordflow">return</span> <a class="code" href="group__DBusString.html#ga63064881001085159c78204f70acde8">_dbus_string_append_uint</a> (str,
<a name="l01667"></a>01667                                    <a class="code" href="group__DBusSysdepsUnix.html#ge7701063932951bdd8a7df0dcacb3bab">_dbus_getuid</a> ());
<a name="l01668"></a>01668 }
<a name="l01669"></a>01669 
<a name="l01674"></a>01674 <a class="code" href="group__DBusSysdeps.html#g1eff6303266888ec466cddba6c03aa40">dbus_pid_t</a>
<a name="l01675"></a><a class="code" href="group__DBusSysdeps.html#g870807b07f3b1c1a725eb9408edad147">01675</a> <a class="code" href="group__DBusSysdeps.html#g870807b07f3b1c1a725eb9408edad147">_dbus_getpid</a> (<span class="keywordtype">void</span>)
<a name="l01676"></a>01676 {
<a name="l01677"></a>01677   <span class="keywordflow">return</span> getpid ();
<a name="l01678"></a>01678 }
<a name="l01679"></a>01679 
<a name="l01683"></a>01683 <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>
<a name="l01684"></a><a class="code" href="group__DBusSysdepsUnix.html#ge7701063932951bdd8a7df0dcacb3bab">01684</a> <a class="code" href="group__DBusSysdepsUnix.html#ge7701063932951bdd8a7df0dcacb3bab">_dbus_getuid</a> (<span class="keywordtype">void</span>)
<a name="l01685"></a>01685 {
<a name="l01686"></a>01686   <span class="keywordflow">return</span> getuid ();
<a name="l01687"></a>01687 }
<a name="l01688"></a>01688 
<a name="l01695"></a>01695 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>
<a name="l01696"></a><a class="code" href="group__DBusSysdeps.html#g1b30aa55e8758ed6e1b62e0f86866543">01696</a> <a class="code" href="group__DBusSysdeps.html#g1b30aa55e8758ed6e1b62e0f86866543">_dbus_pid_for_log</a> (<span class="keywordtype">void</span>)
<a name="l01697"></a>01697 {
<a name="l01698"></a>01698   <span class="keywordflow">return</span> getpid ();
<a name="l01699"></a>01699 }
<a name="l01700"></a>01700 
<a name="l01708"></a>01708 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01709"></a><a class="code" href="group__DBusSysdepsUnix.html#g5a1854d99394d4593522ff5f2ca380d9">01709</a> <a class="code" href="group__DBusSysdepsUnix.html#g5a1854d99394d4593522ff5f2ca380d9">_dbus_parse_uid</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a>      *uid_str,
<a name="l01710"></a>01710                  <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a>            *uid)
<a name="l01711"></a>01711 {
<a name="l01712"></a>01712   <span class="keywordtype">int</span> end;
<a name="l01713"></a>01713   <span class="keywordtype">long</span> val;
<a name="l01714"></a>01714   
<a name="l01715"></a>01715   <span class="keywordflow">if</span> (_dbus_string_get_length (uid_str) == 0)
<a name="l01716"></a>01716     {
<a name="l01717"></a>01717       _dbus_verbose (<span class="stringliteral">"UID string was zero length\n"</span>);
<a name="l01718"></a>01718       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01719"></a>01719     }
<a name="l01720"></a>01720 
<a name="l01721"></a>01721   val = -1;
<a name="l01722"></a>01722   end = 0;
<a name="l01723"></a>01723   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g93e22894a5e2e0d65c179c7d36a8b1c8">_dbus_string_parse_int</a> (uid_str, 0, &amp;val,
<a name="l01724"></a>01724                                &amp;end))
<a name="l01725"></a>01725     {
<a name="l01726"></a>01726       _dbus_verbose (<span class="stringliteral">"could not parse string as a UID\n"</span>);
<a name="l01727"></a>01727       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01728"></a>01728     }
<a name="l01729"></a>01729   
<a name="l01730"></a>01730   <span class="keywordflow">if</span> (end != _dbus_string_get_length (uid_str))
<a name="l01731"></a>01731     {
<a name="l01732"></a>01732       _dbus_verbose (<span class="stringliteral">"string contained trailing stuff after UID\n"</span>);
<a name="l01733"></a>01733       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01734"></a>01734     }
<a name="l01735"></a>01735 
<a name="l01736"></a>01736   *uid = val;
<a name="l01737"></a>01737 
<a name="l01738"></a>01738   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l01739"></a>01739 }
<a name="l01740"></a>01740 
<a name="l01741"></a>01741 
<a name="l01742"></a>01742 <a class="code" href="group__DBusInternalsUtils.html#gc8d22e9846ecc2845959082076de899b">_DBUS_DEFINE_GLOBAL_LOCK</a> (atomic);
<a name="l01743"></a>01743 
<a name="l01744"></a>01744 <span class="preprocessor">#ifdef DBUS_USE_ATOMIC_INT_486</span>
<a name="l01745"></a>01745 <span class="preprocessor"></span><span class="comment">/* Taken from CVS version 1.7 of glibc's sysdeps/i386/i486/atomicity.h */</span>
<a name="l01746"></a>01746 <span class="comment">/* Since the asm stuff here is gcc-specific we go ahead and use "inline" also */</span>
<a name="l01747"></a>01747 <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a>
<a name="l01748"></a>01748 atomic_exchange_and_add (<a class="code" href="structDBusAtomic.html">DBusAtomic</a>            *atomic,
<a name="l01749"></a>01749                          <span class="keyword">volatile</span> <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a>  val)
<a name="l01750"></a>01750 {
<a name="l01751"></a>01751   <span class="keyword">register</span> <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a> result;
<a name="l01752"></a>01752 
<a name="l01753"></a>01753   __asm__ __volatile__ (<span class="stringliteral">"lock; xaddl %0,%1"</span>
<a name="l01754"></a>01754                         : <span class="stringliteral">"=r"</span> (result), <span class="stringliteral">"=m"</span> (atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a>)
<a name="l01755"></a>01755                         : <span class="stringliteral">"0"</span> (val), <span class="stringliteral">"m"</span> (atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a>));
<a name="l01756"></a>01756   <span class="keywordflow">return</span> result;
<a name="l01757"></a>01757 }
<a name="l01758"></a>01758 <span class="preprocessor">#endif</span>
<a name="l01759"></a>01759 <span class="preprocessor"></span>
<a name="l01768"></a>01768 <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a>
<a name="l01769"></a><a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">01769</a> <a class="code" href="group__DBusSysdeps.html#ge74c3fcf12acaeccdb152ef907de951c">_dbus_atomic_inc</a> (<a class="code" href="structDBusAtomic.html">DBusAtomic</a> *atomic)
<a name="l01770"></a>01770 {
<a name="l01771"></a>01771 <span class="preprocessor">#ifdef DBUS_USE_ATOMIC_INT_486</span>
<a name="l01772"></a>01772 <span class="preprocessor"></span>  <span class="keywordflow">return</span> atomic_exchange_and_add (atomic, 1);
<a name="l01773"></a>01773 <span class="preprocessor">#else</span>
<a name="l01774"></a>01774 <span class="preprocessor"></span>  <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a> res;
<a name="l01775"></a>01775   <a class="code" href="group__DBusInternalsUtils.html#g3b56fdb9df58277ee69d9f56a73bf383">_DBUS_LOCK</a> (atomic);
<a name="l01776"></a>01776   res = atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a>;
<a name="l01777"></a>01777   atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a> += 1;
<a name="l01778"></a>01778   <a class="code" href="group__DBusInternalsUtils.html#g1b7db80a2ea11235768ec8aa698df0a5">_DBUS_UNLOCK</a> (atomic);
<a name="l01779"></a>01779   <span class="keywordflow">return</span> res;
<a name="l01780"></a>01780 <span class="preprocessor">#endif</span>
<a name="l01781"></a>01781 <span class="preprocessor"></span>}
<a name="l01782"></a>01782 
<a name="l01791"></a>01791 <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a>
<a name="l01792"></a><a class="code" href="group__DBusSysdeps.html#g3c50a069f795dceeb9172fe2b517bbdc">01792</a> <a class="code" href="group__DBusSysdeps.html#g3c50a069f795dceeb9172fe2b517bbdc">_dbus_atomic_dec</a> (<a class="code" href="structDBusAtomic.html">DBusAtomic</a> *atomic)
<a name="l01793"></a>01793 {
<a name="l01794"></a>01794 <span class="preprocessor">#ifdef DBUS_USE_ATOMIC_INT_486</span>
<a name="l01795"></a>01795 <span class="preprocessor"></span>  <span class="keywordflow">return</span> atomic_exchange_and_add (atomic, -1);
<a name="l01796"></a>01796 <span class="preprocessor">#else</span>
<a name="l01797"></a>01797 <span class="preprocessor"></span>  <a class="code" href="group__DBusTypes.html#gb18afa60e9b17b6e322735bda3d863d8">dbus_int32_t</a> res;
<a name="l01798"></a>01798   
<a name="l01799"></a>01799   <a class="code" href="group__DBusInternalsUtils.html#g3b56fdb9df58277ee69d9f56a73bf383">_DBUS_LOCK</a> (atomic);
<a name="l01800"></a>01800   res = atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a>;
<a name="l01801"></a>01801   atomic-&gt;<a class="code" href="structDBusAtomic.html#ef100f17856a635a9d0f3cae7a7f6bf8">value</a> -= 1;
<a name="l01802"></a>01802   <a class="code" href="group__DBusInternalsUtils.html#g1b7db80a2ea11235768ec8aa698df0a5">_DBUS_UNLOCK</a> (atomic);
<a name="l01803"></a>01803   <span class="keywordflow">return</span> res;
<a name="l01804"></a>01804 <span class="preprocessor">#endif</span>
<a name="l01805"></a>01805 <span class="preprocessor"></span>}
<a name="l01806"></a>01806 
<a name="l01807"></a>01807 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l01808"></a>01808 <span class="preprocessor"></span>
<a name="l01811"></a>01811 <a class="code" href="group__DBusSysdeps.html#g2f5c2e418b81ec2a86594f56ec6d7627">dbus_gid_t</a>
<a name="l01812"></a>01812 _dbus_getgid (<span class="keywordtype">void</span>)
<a name="l01813"></a>01813 {
<a name="l01814"></a>01814   <span class="keywordflow">return</span> getgid ();
<a name="l01815"></a>01815 }
<a name="l01816"></a>01816 <span class="preprocessor">#endif</span>
<a name="l01817"></a>01817 <span class="preprocessor"></span>
<a name="l01826"></a>01826 <span class="keywordtype">int</span>
<a name="l01827"></a><a class="code" href="group__DBusSysdeps.html#gc1cdb5995dcef6dd54399ab610ae689a">01827</a> <a class="code" href="group__DBusSysdeps.html#gc1cdb5995dcef6dd54399ab610ae689a">_dbus_poll</a> (<a class="code" href="structDBusPollFD.html">DBusPollFD</a> *fds,
<a name="l01828"></a>01828             <span class="keywordtype">int</span>         n_fds,
<a name="l01829"></a>01829             <span class="keywordtype">int</span>         timeout_milliseconds)
<a name="l01830"></a>01830 {
<a name="l01831"></a>01831 <span class="preprocessor">#ifdef HAVE_POLL</span>
<a name="l01832"></a>01832 <span class="preprocessor"></span>  <span class="comment">/* This big thing is a constant expression and should get optimized</span>
<a name="l01833"></a>01833 <span class="comment">   * out of existence. So it's more robust than a configure check at</span>
<a name="l01834"></a>01834 <span class="comment">   * no cost.</span>
<a name="l01835"></a>01835 <span class="comment">   */</span>
<a name="l01836"></a>01836   <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdeps.html#g96b5ba58b9939d789bfece0d9bb82f41">_DBUS_POLLIN</a> == POLLIN &amp;&amp;
<a name="l01837"></a>01837       <a class="code" href="group__DBusSysdeps.html#g1db7d09a41912c10978c6a4955d9a9d2">_DBUS_POLLPRI</a> == POLLPRI &amp;&amp;
<a name="l01838"></a>01838       <a class="code" href="group__DBusSysdeps.html#g0cb1ace07be145e0b908687e99b5f161">_DBUS_POLLOUT</a> == POLLOUT &amp;&amp;
<a name="l01839"></a>01839       <a class="code" href="group__DBusSysdeps.html#g231164196ff407eccb732452a2d36468">_DBUS_POLLERR</a> == POLLERR &amp;&amp;
<a name="l01840"></a>01840       <a class="code" href="group__DBusSysdeps.html#g6f08232c1f943313e3eefd7de8f3592f">_DBUS_POLLHUP</a> == POLLHUP &amp;&amp;
<a name="l01841"></a>01841       <a class="code" href="group__DBusSysdeps.html#g83bf3d24f3a1a853dda794835c39fc6f">_DBUS_POLLNVAL</a> == POLLNVAL &amp;&amp;
<a name="l01842"></a>01842       <span class="keyword">sizeof</span> (<a class="code" href="structDBusPollFD.html">DBusPollFD</a>) == <span class="keyword">sizeof</span> (<span class="keyword">struct</span> pollfd) &amp;&amp;
<a name="l01843"></a>01843       _DBUS_STRUCT_OFFSET (DBusPollFD, fd) ==
<a name="l01844"></a>01844       _DBUS_STRUCT_OFFSET (<span class="keyword">struct</span> pollfd, fd) &amp;&amp;
<a name="l01845"></a>01845       _DBUS_STRUCT_OFFSET (DBusPollFD, events) ==
<a name="l01846"></a>01846       _DBUS_STRUCT_OFFSET (<span class="keyword">struct</span> pollfd, events) &amp;&amp;
<a name="l01847"></a>01847       _DBUS_STRUCT_OFFSET (DBusPollFD, revents) ==
<a name="l01848"></a>01848       _DBUS_STRUCT_OFFSET (<span class="keyword">struct</span> pollfd, revents))
<a name="l01849"></a>01849     {
<a name="l01850"></a>01850       <span class="keywordflow">return</span> poll ((<span class="keyword">struct</span> pollfd*) fds,
<a name="l01851"></a>01851                    n_fds, 
<a name="l01852"></a>01852                    timeout_milliseconds);
<a name="l01853"></a>01853     }
<a name="l01854"></a>01854   <span class="keywordflow">else</span>
<a name="l01855"></a>01855     {
<a name="l01856"></a>01856       <span class="comment">/* We have to convert the DBusPollFD to an array of</span>
<a name="l01857"></a>01857 <span class="comment">       * struct pollfd, poll, and convert back.</span>
<a name="l01858"></a>01858 <span class="comment">       */</span>
<a name="l01859"></a>01859       <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"didn't implement poll() properly for this system yet\n"</span>);
<a name="l01860"></a>01860       <span class="keywordflow">return</span> -1;
<a name="l01861"></a>01861     }
<a name="l01862"></a>01862 <span class="preprocessor">#else </span><span class="comment">/* ! HAVE_POLL */</span>
<a name="l01863"></a>01863 
<a name="l01864"></a>01864   fd_set read_set, write_set, err_set;
<a name="l01865"></a>01865   <span class="keywordtype">int</span> max_fd = 0;
<a name="l01866"></a>01866   <span class="keywordtype">int</span> i;
<a name="l01867"></a>01867   <span class="keyword">struct </span>timeval tv;
<a name="l01868"></a>01868   <span class="keywordtype">int</span> ready;
<a name="l01869"></a>01869   
<a name="l01870"></a>01870   FD_ZERO (&amp;read_set);
<a name="l01871"></a>01871   FD_ZERO (&amp;write_set);
<a name="l01872"></a>01872   FD_ZERO (&amp;err_set);
<a name="l01873"></a>01873 
<a name="l01874"></a>01874   <span class="keywordflow">for</span> (i = 0; i &lt; n_fds; i++)
<a name="l01875"></a>01875     {
<a name="l01876"></a>01876       DBusPollFD *fdp = &amp;fds[i];
<a name="l01877"></a>01877 
<a name="l01878"></a>01878       <span class="keywordflow">if</span> (fdp-&gt;events &amp; <a class="code" href="group__DBusSysdeps.html#g96b5ba58b9939d789bfece0d9bb82f41">_DBUS_POLLIN</a>)
<a name="l01879"></a>01879         FD_SET (fdp-&gt;fd, &amp;read_set);
<a name="l01880"></a>01880 
<a name="l01881"></a>01881       if (fdp-&gt;events &amp; <a class="code" href="group__DBusSysdeps.html#g0cb1ace07be145e0b908687e99b5f161">_DBUS_POLLOUT</a>)
<a name="l01882"></a>01882         FD_SET (fdp-&gt;fd, &amp;write_set);
<a name="l01883"></a>01883 
<a name="l01884"></a>01884       FD_SET (fdp-&gt;fd, &amp;err_set);
<a name="l01885"></a>01885 
<a name="l01886"></a>01886       max_fd = MAX (max_fd, fdp-&gt;fd);
<a name="l01887"></a>01887     }
<a name="l01888"></a>01888     
<a name="l01889"></a>01889   tv.tv_sec = timeout_milliseconds / 1000;
<a name="l01890"></a>01890   tv.tv_usec = (timeout_milliseconds % 1000) * 1000;
<a name="l01891"></a>01891 
<a name="l01892"></a>01892   ready = select (max_fd + 1, &amp;read_set, &amp;write_set, &amp;err_set,
<a name="l01893"></a>01893                   timeout_milliseconds &lt; 0 ? <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> : &amp;tv);
<a name="l01894"></a>01894 
<a name="l01895"></a>01895   <span class="keywordflow">if</span> (ready &gt; 0)
<a name="l01896"></a>01896     {
<a name="l01897"></a>01897       <span class="keywordflow">for</span> (i = 0; i &lt; n_fds; i++)
<a name="l01898"></a>01898         {
<a name="l01899"></a>01899           DBusPollFD *fdp = &amp;fds[i];
<a name="l01900"></a>01900 
<a name="l01901"></a>01901           fdp-&gt;<a class="code" href="structDBusPollFD.html#24bc29c766b8bbddc5da052e7a46bc9e">revents</a> = 0;
<a name="l01902"></a>01902 
<a name="l01903"></a>01903           <span class="keywordflow">if</span> (FD_ISSET (fdp-&gt;fd, &amp;read_set))
<a name="l01904"></a>01904             fdp-&gt;revents |= <a class="code" href="group__DBusSysdeps.html#g96b5ba58b9939d789bfece0d9bb82f41">_DBUS_POLLIN</a>;
<a name="l01905"></a>01905 
<a name="l01906"></a>01906           if (FD_ISSET (fdp-&gt;fd, &amp;write_set))
<a name="l01907"></a>01907             fdp-&gt;revents |= <a class="code" href="group__DBusSysdeps.html#g0cb1ace07be145e0b908687e99b5f161">_DBUS_POLLOUT</a>;
<a name="l01908"></a>01908 
<a name="l01909"></a>01909           if (FD_ISSET (fdp-&gt;fd, &amp;err_set))
<a name="l01910"></a>01910             fdp-&gt;revents |= <a class="code" href="group__DBusSysdeps.html#g231164196ff407eccb732452a2d36468">_DBUS_POLLERR</a>;
<a name="l01911"></a>01911         }
<a name="l01912"></a>01912     }
<a name="l01913"></a>01913 
<a name="l01914"></a>01914   <span class="keywordflow">return</span> ready;
<a name="l01915"></a>01915 <span class="preprocessor">#endif</span>
<a name="l01916"></a>01916 <span class="preprocessor"></span>}
<a name="l01917"></a>01917 
<a name="l01924"></a>01924 <span class="keywordtype">void</span>
<a name="l01925"></a><a class="code" href="group__DBusSysdeps.html#g4e3cbe529fc3e7984ed6553672e085f8">01925</a> <a class="code" href="group__DBusSysdeps.html#g4e3cbe529fc3e7984ed6553672e085f8">_dbus_get_current_time</a> (<span class="keywordtype">long</span> *tv_sec,
<a name="l01926"></a>01926                         <span class="keywordtype">long</span> *tv_usec)
<a name="l01927"></a>01927 {
<a name="l01928"></a>01928   <span class="keyword">struct </span>timeval t;
<a name="l01929"></a>01929 
<a name="l01930"></a>01930   gettimeofday (&amp;t, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01931"></a>01931 
<a name="l01932"></a>01932   <span class="keywordflow">if</span> (tv_sec)
<a name="l01933"></a>01933     *tv_sec = t.tv_sec;
<a name="l01934"></a>01934   <span class="keywordflow">if</span> (tv_usec)
<a name="l01935"></a>01935     *tv_usec = t.tv_usec;
<a name="l01936"></a>01936 }
<a name="l01937"></a>01937 
<a name="l01948"></a>01948 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l01949"></a><a class="code" href="group__DBusSysdeps.html#gd22d468e789139c87f7f4bb97cadf448">01949</a> <a class="code" href="group__DBusSysdeps.html#gd22d468e789139c87f7f4bb97cadf448">_dbus_file_get_contents</a> (<a class="code" href="structDBusString.html">DBusString</a>       *str,
<a name="l01950"></a>01950                          <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l01951"></a>01951                          <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l01952"></a>01952 {
<a name="l01953"></a>01953   <span class="keywordtype">int</span> fd;
<a name="l01954"></a>01954   <span class="keyword">struct </span>stat sb;
<a name="l01955"></a>01955   <span class="keywordtype">int</span> orig_len;
<a name="l01956"></a>01956   <span class="keywordtype">int</span> total;
<a name="l01957"></a>01957   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l01958"></a>01958 
<a name="l01959"></a>01959   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l01960"></a>01960   
<a name="l01961"></a>01961   filename_c = _dbus_string_get_const_data (filename);
<a name="l01962"></a>01962   
<a name="l01963"></a>01963   <span class="comment">/* O_BINARY useful on Cygwin */</span>
<a name="l01964"></a>01964   fd = open (filename_c, O_RDONLY | O_BINARY);
<a name="l01965"></a>01965   <span class="keywordflow">if</span> (fd &lt; 0)
<a name="l01966"></a>01966     {
<a name="l01967"></a>01967       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01968"></a>01968                       <span class="stringliteral">"Failed to open \"%s\": %s"</span>,
<a name="l01969"></a>01969                       filename_c,
<a name="l01970"></a>01970                       _dbus_strerror (errno));
<a name="l01971"></a>01971       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01972"></a>01972     }
<a name="l01973"></a>01973 
<a name="l01974"></a>01974   _dbus_verbose (<span class="stringliteral">"file fd %d opened\n"</span>, fd);
<a name="l01975"></a>01975   
<a name="l01976"></a>01976   <span class="keywordflow">if</span> (fstat (fd, &amp;sb) &lt; 0)
<a name="l01977"></a>01977     {
<a name="l01978"></a>01978       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l01979"></a>01979                       <span class="stringliteral">"Failed to stat \"%s\": %s"</span>,
<a name="l01980"></a>01980                       filename_c,
<a name="l01981"></a>01981                       _dbus_strerror (errno));
<a name="l01982"></a>01982 
<a name="l01983"></a>01983       _dbus_verbose (<span class="stringliteral">"fstat() failed: %s"</span>,
<a name="l01984"></a>01984                      _dbus_strerror (errno));
<a name="l01985"></a>01985       
<a name="l01986"></a>01986       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01987"></a>01987       
<a name="l01988"></a>01988       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01989"></a>01989     }
<a name="l01990"></a>01990 
<a name="l01991"></a>01991   <span class="keywordflow">if</span> (sb.st_size &gt; _DBUS_ONE_MEGABYTE)
<a name="l01992"></a>01992     {
<a name="l01993"></a>01993       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l01994"></a>01994                       <span class="stringliteral">"File size %lu of \"%s\" is too large."</span>,
<a name="l01995"></a>01995                       (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) sb.st_size, filename_c);
<a name="l01996"></a>01996       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l01997"></a>01997       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l01998"></a>01998     }
<a name="l01999"></a>01999   
<a name="l02000"></a>02000   total = 0;
<a name="l02001"></a>02001   orig_len = _dbus_string_get_length (str);
<a name="l02002"></a>02002   <span class="keywordflow">if</span> (sb.st_size &gt; 0 &amp;&amp; S_ISREG (sb.st_mode))
<a name="l02003"></a>02003     {
<a name="l02004"></a>02004       <span class="keywordtype">int</span> bytes_read;
<a name="l02005"></a>02005 
<a name="l02006"></a>02006       <span class="keywordflow">while</span> (total &lt; (<span class="keywordtype">int</span>) sb.st_size)
<a name="l02007"></a>02007         {
<a name="l02008"></a>02008           bytes_read = <a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (fd, str,
<a name="l02009"></a>02009                                    sb.st_size - total);
<a name="l02010"></a>02010           <span class="keywordflow">if</span> (bytes_read &lt;= 0)
<a name="l02011"></a>02011             {
<a name="l02012"></a>02012               <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02013"></a>02013                               <span class="stringliteral">"Error reading \"%s\": %s"</span>,
<a name="l02014"></a>02014                               filename_c,
<a name="l02015"></a>02015                               _dbus_strerror (errno));
<a name="l02016"></a>02016 
<a name="l02017"></a>02017               _dbus_verbose (<span class="stringliteral">"read() failed: %s"</span>,
<a name="l02018"></a>02018                              _dbus_strerror (errno));
<a name="l02019"></a>02019               
<a name="l02020"></a>02020               <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02021"></a>02021               <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (str, orig_len);
<a name="l02022"></a>02022               <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02023"></a>02023             }
<a name="l02024"></a>02024           <span class="keywordflow">else</span>
<a name="l02025"></a>02025             total += bytes_read;
<a name="l02026"></a>02026         }
<a name="l02027"></a>02027 
<a name="l02028"></a>02028       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02029"></a>02029       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02030"></a>02030     }
<a name="l02031"></a>02031   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sb.st_size != 0)
<a name="l02032"></a>02032     {
<a name="l02033"></a>02033       _dbus_verbose (<span class="stringliteral">"Can only open regular files at the moment.\n"</span>);
<a name="l02034"></a>02034       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02035"></a>02035                       <span class="stringliteral">"\"%s\" is not a regular file"</span>,
<a name="l02036"></a>02036                       filename_c);
<a name="l02037"></a>02037       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02038"></a>02038       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02039"></a>02039     }
<a name="l02040"></a>02040   <span class="keywordflow">else</span>
<a name="l02041"></a>02041     {
<a name="l02042"></a>02042       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02043"></a>02043       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02044"></a>02044     }
<a name="l02045"></a>02045 }
<a name="l02046"></a>02046 
<a name="l02056"></a>02056 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02057"></a><a class="code" href="group__DBusSysdeps.html#gb974e23b29afbbae447129c273173502">02057</a> <a class="code" href="group__DBusSysdeps.html#gb974e23b29afbbae447129c273173502">_dbus_string_save_to_file</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *str,
<a name="l02058"></a>02058                            <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l02059"></a>02059                            <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l02060"></a>02060 {
<a name="l02061"></a>02061   <span class="keywordtype">int</span> fd;
<a name="l02062"></a>02062   <span class="keywordtype">int</span> bytes_to_write;
<a name="l02063"></a>02063   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l02064"></a>02064   <a class="code" href="structDBusString.html">DBusString</a> tmp_filename;
<a name="l02065"></a>02065   <span class="keyword">const</span> <span class="keywordtype">char</span> *tmp_filename_c;
<a name="l02066"></a>02066   <span class="keywordtype">int</span> total;
<a name="l02067"></a>02067   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> need_unlink;
<a name="l02068"></a>02068   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> retval;
<a name="l02069"></a>02069 
<a name="l02070"></a>02070   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02071"></a>02071   
<a name="l02072"></a>02072   fd = -1;
<a name="l02073"></a>02073   retval = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02074"></a>02074   need_unlink = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02075"></a>02075   
<a name="l02076"></a>02076   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;tmp_filename))
<a name="l02077"></a>02077     {
<a name="l02078"></a>02078       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02079"></a>02079       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02080"></a>02080     }
<a name="l02081"></a>02081 
<a name="l02082"></a>02082   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g3c10f0d1bcaa3b450025b9c6a8b901d7">_dbus_string_copy</a> (filename, 0, &amp;tmp_filename, 0))
<a name="l02083"></a>02083     {
<a name="l02084"></a>02084       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02085"></a>02085       <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;tmp_filename);
<a name="l02086"></a>02086       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02087"></a>02087     }
<a name="l02088"></a>02088   
<a name="l02089"></a>02089   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;tmp_filename, <span class="stringliteral">"."</span>))
<a name="l02090"></a>02090     {
<a name="l02091"></a>02091       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02092"></a>02092       <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;tmp_filename);
<a name="l02093"></a>02093       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02094"></a>02094     }
<a name="l02095"></a>02095 
<a name="l02096"></a>02096 <span class="preprocessor">#define N_TMP_FILENAME_RANDOM_BYTES 8</span>
<a name="l02097"></a>02097 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (!<a class="code" href="group__DBusInternalsUtils.html#g709ce349c6ee05263850444fb4e0177d">_dbus_generate_random_ascii</a> (&amp;tmp_filename, N_TMP_FILENAME_RANDOM_BYTES))
<a name="l02098"></a>02098     {
<a name="l02099"></a>02099       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc32eaf0b92f798307853cd4fe0cf11c2">DBUS_ERROR_NO_MEMORY</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02100"></a>02100       <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;tmp_filename);
<a name="l02101"></a>02101       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02102"></a>02102     }
<a name="l02103"></a>02103     
<a name="l02104"></a>02104   filename_c = _dbus_string_get_const_data (filename);
<a name="l02105"></a>02105   tmp_filename_c = _dbus_string_get_const_data (&amp;tmp_filename);
<a name="l02106"></a>02106 
<a name="l02107"></a>02107   fd = open (tmp_filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
<a name="l02108"></a>02108              0600);
<a name="l02109"></a>02109   <span class="keywordflow">if</span> (fd &lt; 0)
<a name="l02110"></a>02110     {
<a name="l02111"></a>02111       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02112"></a>02112                       <span class="stringliteral">"Could not create %s: %s"</span>, tmp_filename_c,
<a name="l02113"></a>02113                       _dbus_strerror (errno));
<a name="l02114"></a>02114       <span class="keywordflow">goto</span> out;
<a name="l02115"></a>02115     }
<a name="l02116"></a>02116 
<a name="l02117"></a>02117   _dbus_verbose (<span class="stringliteral">"tmp file fd %d opened\n"</span>, fd);
<a name="l02118"></a>02118   
<a name="l02119"></a>02119   need_unlink = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02120"></a>02120   
<a name="l02121"></a>02121   total = 0;
<a name="l02122"></a>02122   bytes_to_write = _dbus_string_get_length (str);
<a name="l02123"></a>02123 
<a name="l02124"></a>02124   <span class="keywordflow">while</span> (total &lt; bytes_to_write)
<a name="l02125"></a>02125     {
<a name="l02126"></a>02126       <span class="keywordtype">int</span> bytes_written;
<a name="l02127"></a>02127 
<a name="l02128"></a>02128       bytes_written = <a class="code" href="group__DBusSysdepsUnix.html#g3a789bcdfd3d468c2bf917fa5081b27f">_dbus_write</a> (fd, str, total,
<a name="l02129"></a>02129                                    bytes_to_write - total);
<a name="l02130"></a>02130 
<a name="l02131"></a>02131       <span class="keywordflow">if</span> (bytes_written &lt;= 0)
<a name="l02132"></a>02132         {
<a name="l02133"></a>02133           <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02134"></a>02134                           <span class="stringliteral">"Could not write to %s: %s"</span>, tmp_filename_c,
<a name="l02135"></a>02135                           _dbus_strerror (errno));
<a name="l02136"></a>02136           
<a name="l02137"></a>02137           <span class="keywordflow">goto</span> out;
<a name="l02138"></a>02138         }
<a name="l02139"></a>02139 
<a name="l02140"></a>02140       total += bytes_written;
<a name="l02141"></a>02141     }
<a name="l02142"></a>02142 
<a name="l02143"></a>02143   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>))
<a name="l02144"></a>02144     {
<a name="l02145"></a>02145       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02146"></a>02146                       <span class="stringliteral">"Could not close file %s: %s"</span>,
<a name="l02147"></a>02147                       tmp_filename_c, _dbus_strerror (errno));
<a name="l02148"></a>02148 
<a name="l02149"></a>02149       <span class="keywordflow">goto</span> out;
<a name="l02150"></a>02150     }
<a name="l02151"></a>02151 
<a name="l02152"></a>02152   fd = -1;
<a name="l02153"></a>02153   
<a name="l02154"></a>02154   <span class="keywordflow">if</span> (rename (tmp_filename_c, filename_c) &lt; 0)
<a name="l02155"></a>02155     {
<a name="l02156"></a>02156       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02157"></a>02157                       <span class="stringliteral">"Could not rename %s to %s: %s"</span>,
<a name="l02158"></a>02158                       tmp_filename_c, filename_c,
<a name="l02159"></a>02159                       _dbus_strerror (errno));
<a name="l02160"></a>02160 
<a name="l02161"></a>02161       <span class="keywordflow">goto</span> out;
<a name="l02162"></a>02162     }
<a name="l02163"></a>02163 
<a name="l02164"></a>02164   need_unlink = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02165"></a>02165   
<a name="l02166"></a>02166   retval = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02167"></a>02167   
<a name="l02168"></a>02168  out:
<a name="l02169"></a>02169   <span class="comment">/* close first, then unlink, to prevent ".nfs34234235" garbage</span>
<a name="l02170"></a>02170 <span class="comment">   * files</span>
<a name="l02171"></a>02171 <span class="comment">   */</span>
<a name="l02172"></a>02172 
<a name="l02173"></a>02173   <span class="keywordflow">if</span> (fd &gt;= 0)
<a name="l02174"></a>02174     <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02175"></a>02175         
<a name="l02176"></a>02176   <span class="keywordflow">if</span> (need_unlink &amp;&amp; unlink (tmp_filename_c) &lt; 0)
<a name="l02177"></a>02177     _dbus_verbose (<span class="stringliteral">"Failed to unlink temp file %s: %s\n"</span>,
<a name="l02178"></a>02178                    tmp_filename_c, _dbus_strerror (errno));
<a name="l02179"></a>02179 
<a name="l02180"></a>02180   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;tmp_filename);
<a name="l02181"></a>02181 
<a name="l02182"></a>02182   <span class="keywordflow">if</span> (!retval)
<a name="l02183"></a>02183     _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l02184"></a>02184   
<a name="l02185"></a>02185   <span class="keywordflow">return</span> retval;
<a name="l02186"></a>02186 }
<a name="l02187"></a>02187 
<a name="l02194"></a>02194 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02195"></a><a class="code" href="group__DBusSysdeps.html#g7c83e2e20811330d1d1b2f6249dbe66c">02195</a> <a class="code" href="group__DBusSysdeps.html#g7c83e2e20811330d1d1b2f6249dbe66c">_dbus_make_file_world_readable</a>(<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l02196"></a>02196                                <a class="code" href="structDBusError.html">DBusError</a> *error)
<a name="l02197"></a>02197 {
<a name="l02198"></a>02198   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l02199"></a>02199 
<a name="l02200"></a>02200   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02201"></a>02201 
<a name="l02202"></a>02202   filename_c = _dbus_string_get_const_data (filename);
<a name="l02203"></a>02203   <span class="keywordflow">if</span> (chmod (filename_c, 0644) == -1)
<a name="l02204"></a>02204     {
<a name="l02205"></a>02205       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l02206"></a>02206                       <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02207"></a>02207                       <span class="stringliteral">"Could not change permissions of file %s: %s\n"</span>,
<a name="l02208"></a>02208                       filename_c,
<a name="l02209"></a>02209                       _dbus_strerror (errno));
<a name="l02210"></a>02210       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02211"></a>02211     }
<a name="l02212"></a>02212   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02213"></a>02213 }
<a name="l02214"></a>02214 
<a name="l02221"></a>02221 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02222"></a><a class="code" href="group__DBusSysdeps.html#g22665c6d5899c913e03930f90d144f46">02222</a> <a class="code" href="group__DBusSysdeps.html#g22665c6d5899c913e03930f90d144f46">_dbus_create_file_exclusively</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l02223"></a>02223                                <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l02224"></a>02224 {
<a name="l02225"></a>02225   <span class="keywordtype">int</span> fd;
<a name="l02226"></a>02226   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l02227"></a>02227 
<a name="l02228"></a>02228   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02229"></a>02229   
<a name="l02230"></a>02230   filename_c = _dbus_string_get_const_data (filename);
<a name="l02231"></a>02231   
<a name="l02232"></a>02232   fd = open (filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
<a name="l02233"></a>02233              0600);
<a name="l02234"></a>02234   <span class="keywordflow">if</span> (fd &lt; 0)
<a name="l02235"></a>02235     {
<a name="l02236"></a>02236       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l02237"></a>02237                       <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02238"></a>02238                       <span class="stringliteral">"Could not create file %s: %s\n"</span>,
<a name="l02239"></a>02239                       filename_c,
<a name="l02240"></a>02240                       _dbus_strerror (errno));
<a name="l02241"></a>02241       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02242"></a>02242     }
<a name="l02243"></a>02243 
<a name="l02244"></a>02244   _dbus_verbose (<span class="stringliteral">"exclusive file fd %d opened\n"</span>, fd);
<a name="l02245"></a>02245   
<a name="l02246"></a>02246   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>))
<a name="l02247"></a>02247     {
<a name="l02248"></a>02248       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error,
<a name="l02249"></a>02249                       <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02250"></a>02250                       <span class="stringliteral">"Could not close file %s: %s\n"</span>,
<a name="l02251"></a>02251                       filename_c,
<a name="l02252"></a>02252                       _dbus_strerror (errno));
<a name="l02253"></a>02253       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02254"></a>02254     }
<a name="l02255"></a>02255   
<a name="l02256"></a>02256   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02257"></a>02257 }
<a name="l02258"></a>02258 
<a name="l02267"></a>02267 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02268"></a><a class="code" href="group__DBusSysdeps.html#g4d4936493cddac47b6e7e4ab3f390627">02268</a> <a class="code" href="group__DBusSysdeps.html#g4d4936493cddac47b6e7e4ab3f390627">_dbus_delete_file</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l02269"></a>02269                    <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l02270"></a>02270 {
<a name="l02271"></a>02271   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l02272"></a>02272 
<a name="l02273"></a>02273   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02274"></a>02274   
<a name="l02275"></a>02275   filename_c = _dbus_string_get_const_data (filename);
<a name="l02276"></a>02276 
<a name="l02277"></a>02277   <span class="keywordflow">if</span> (unlink (filename_c) &lt; 0)
<a name="l02278"></a>02278     {
<a name="l02279"></a>02279       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02280"></a>02280                       <span class="stringliteral">"Failed to delete file %s: %s\n"</span>,
<a name="l02281"></a>02281                       filename_c, _dbus_strerror (errno));
<a name="l02282"></a>02282       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02283"></a>02283     }
<a name="l02284"></a>02284   <span class="keywordflow">else</span>
<a name="l02285"></a>02285     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02286"></a>02286 }
<a name="l02287"></a>02287 
<a name="l02296"></a>02296 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02297"></a><a class="code" href="group__DBusSysdeps.html#ga47156dedbe573ee9b213d1fd3f7bb79">02297</a> <a class="code" href="group__DBusSysdeps.html#ga47156dedbe573ee9b213d1fd3f7bb79">_dbus_create_directory</a> (<span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *filename,
<a name="l02298"></a>02298                         <a class="code" href="structDBusError.html">DBusError</a>        *error)
<a name="l02299"></a>02299 {
<a name="l02300"></a>02300   <span class="keyword">const</span> <span class="keywordtype">char</span> *filename_c;
<a name="l02301"></a>02301 
<a name="l02302"></a>02302   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02303"></a>02303   
<a name="l02304"></a>02304   filename_c = _dbus_string_get_const_data (filename);
<a name="l02305"></a>02305 
<a name="l02306"></a>02306   <span class="keywordflow">if</span> (mkdir (filename_c, 0700) &lt; 0)
<a name="l02307"></a>02307     {
<a name="l02308"></a>02308       <span class="keywordflow">if</span> (errno == EEXIST)
<a name="l02309"></a>02309         <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02310"></a>02310       
<a name="l02311"></a>02311       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02312"></a>02312                       <span class="stringliteral">"Failed to create directory %s: %s\n"</span>,
<a name="l02313"></a>02313                       filename_c, _dbus_strerror (errno));
<a name="l02314"></a>02314       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02315"></a>02315     }
<a name="l02316"></a>02316   <span class="keywordflow">else</span>
<a name="l02317"></a>02317     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02318"></a>02318 }
<a name="l02319"></a>02319 
<a name="l02330"></a>02330 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02331"></a><a class="code" href="group__DBusSysdeps.html#ge3a3fdc0c6001e367584bb016aca495d">02331</a> <a class="code" href="group__DBusSysdeps.html#ge3a3fdc0c6001e367584bb016aca495d">_dbus_concat_dir_and_file</a> (<a class="code" href="structDBusString.html">DBusString</a>       *dir,
<a name="l02332"></a>02332                            <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *next_component)
<a name="l02333"></a>02333 {
<a name="l02334"></a>02334   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> dir_ends_in_slash;
<a name="l02335"></a>02335   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> file_starts_with_slash;
<a name="l02336"></a>02336 
<a name="l02337"></a>02337   <span class="keywordflow">if</span> (_dbus_string_get_length (dir) == 0 ||
<a name="l02338"></a>02338       _dbus_string_get_length (next_component) == 0)
<a name="l02339"></a>02339     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02340"></a>02340   
<a name="l02341"></a>02341   dir_ends_in_slash = <span class="charliteral">'/'</span> == _dbus_string_get_byte (dir,
<a name="l02342"></a>02342                                                     _dbus_string_get_length (dir) - 1);
<a name="l02343"></a>02343 
<a name="l02344"></a>02344   file_starts_with_slash = <span class="charliteral">'/'</span> == _dbus_string_get_byte (next_component, 0);
<a name="l02345"></a>02345 
<a name="l02346"></a>02346   <span class="keywordflow">if</span> (dir_ends_in_slash &amp;&amp; file_starts_with_slash)
<a name="l02347"></a>02347     {
<a name="l02348"></a>02348       <a class="code" href="group__DBusString.html#g7af1cbfa905f26d972ab644d890548b8">_dbus_string_shorten</a> (dir, 1);
<a name="l02349"></a>02349     }
<a name="l02350"></a>02350   <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!(dir_ends_in_slash || file_starts_with_slash))
<a name="l02351"></a>02351     {
<a name="l02352"></a>02352       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#ga6ecf36e70263659f921a4ef0335db12">_dbus_string_append_byte</a> (dir, <span class="charliteral">'/'</span>))
<a name="l02353"></a>02353         <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02354"></a>02354     }
<a name="l02355"></a>02355 
<a name="l02356"></a>02356   <span class="keywordflow">return</span> <a class="code" href="group__DBusString.html#g3c10f0d1bcaa3b450025b9c6a8b901d7">_dbus_string_copy</a> (next_component, 0, dir,
<a name="l02357"></a>02357                             _dbus_string_get_length (dir));
<a name="l02358"></a>02358 }
<a name="l02359"></a>02359 
<a name="l02361"></a>02361 <span class="preprocessor">#define NANOSECONDS_PER_SECOND       1000000000</span>
<a name="l02362"></a>02362 <span class="preprocessor"></span>
<a name="l02363"></a>02363 <span class="preprocessor">#define MICROSECONDS_PER_SECOND      1000000</span>
<a name="l02364"></a>02364 <span class="preprocessor"></span>
<a name="l02365"></a>02365 <span class="preprocessor">#define MILLISECONDS_PER_SECOND      1000</span>
<a name="l02366"></a>02366 <span class="preprocessor"></span>
<a name="l02367"></a>02367 <span class="preprocessor">#define NANOSECONDS_PER_MILLISECOND  1000000</span>
<a name="l02368"></a>02368 <span class="preprocessor"></span>
<a name="l02369"></a>02369 <span class="preprocessor">#define MICROSECONDS_PER_MILLISECOND 1000</span>
<a name="l02370"></a>02370 <span class="preprocessor"></span>
<a name="l02375"></a>02375 <span class="keywordtype">void</span>
<a name="l02376"></a><a class="code" href="group__DBusSysdeps.html#g1153b4669819148af6b3f6f2b7c9183a">02376</a> <a class="code" href="group__DBusSysdeps.html#g1153b4669819148af6b3f6f2b7c9183a">_dbus_sleep_milliseconds</a> (<span class="keywordtype">int</span> milliseconds)
<a name="l02377"></a>02377 {
<a name="l02378"></a>02378 <span class="preprocessor">#ifdef HAVE_NANOSLEEP</span>
<a name="l02379"></a>02379 <span class="preprocessor"></span>  <span class="keyword">struct </span>timespec req;
<a name="l02380"></a>02380   <span class="keyword">struct </span>timespec rem;
<a name="l02381"></a>02381 
<a name="l02382"></a>02382   req.tv_sec = milliseconds / MILLISECONDS_PER_SECOND;
<a name="l02383"></a>02383   req.tv_nsec = (milliseconds % MILLISECONDS_PER_SECOND) * NANOSECONDS_PER_MILLISECOND;
<a name="l02384"></a>02384   rem.tv_sec = 0;
<a name="l02385"></a>02385   rem.tv_nsec = 0;
<a name="l02386"></a>02386 
<a name="l02387"></a>02387   <span class="keywordflow">while</span> (nanosleep (&amp;req, &amp;rem) &lt; 0 &amp;&amp; errno == EINTR)
<a name="l02388"></a>02388     req = rem;
<a name="l02389"></a>02389 <span class="preprocessor">#elif defined (HAVE_USLEEP)</span>
<a name="l02390"></a>02390 <span class="preprocessor"></span>  usleep (milliseconds * MICROSECONDS_PER_MILLISECOND);
<a name="l02391"></a>02391 <span class="preprocessor">#else </span><span class="comment">/* ! HAVE_USLEEP */</span>
<a name="l02392"></a>02392   sleep (MAX (milliseconds / 1000, 1));
<a name="l02393"></a>02393 <span class="preprocessor">#endif</span>
<a name="l02394"></a>02394 <span class="preprocessor"></span>}
<a name="l02395"></a>02395 
<a name="l02396"></a>02396 <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02397"></a>02397 _dbus_generate_pseudorandom_bytes (<a class="code" href="structDBusString.html">DBusString</a> *str,
<a name="l02398"></a>02398                                    <span class="keywordtype">int</span>         n_bytes)
<a name="l02399"></a>02399 {
<a name="l02400"></a>02400   <span class="keywordtype">int</span> old_len;
<a name="l02401"></a>02401   <span class="keywordtype">char</span> *p;
<a name="l02402"></a>02402   
<a name="l02403"></a>02403   old_len = _dbus_string_get_length (str);
<a name="l02404"></a>02404 
<a name="l02405"></a>02405   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g8f13997d90ceed2f437706e6b7804d9b">_dbus_string_lengthen</a> (str, n_bytes))
<a name="l02406"></a>02406     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02407"></a>02407 
<a name="l02408"></a>02408   p = <a class="code" href="group__DBusString.html#g7a73fb373398606e6e1d0a86c4587a3c">_dbus_string_get_data_len</a> (str, old_len, n_bytes);
<a name="l02409"></a>02409 
<a name="l02410"></a>02410   <a class="code" href="group__DBusInternalsUtils.html#gfb4454c18ee8e5bcc20dbccd93e1d9ba">_dbus_generate_pseudorandom_bytes_buffer</a> (p, n_bytes);
<a name="l02411"></a>02411 
<a name="l02412"></a>02412   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02413"></a>02413 }
<a name="l02414"></a>02414 
<a name="l02423"></a>02423 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02424"></a><a class="code" href="group__DBusSysdeps.html#gc9fd08af5e54c0e9b3db108b48a65778">02424</a> <a class="code" href="group__DBusSysdeps.html#gc9fd08af5e54c0e9b3db108b48a65778">_dbus_generate_random_bytes</a> (<a class="code" href="structDBusString.html">DBusString</a> *str,
<a name="l02425"></a>02425                              <span class="keywordtype">int</span>         n_bytes)
<a name="l02426"></a>02426 {
<a name="l02427"></a>02427   <span class="keywordtype">int</span> old_len;
<a name="l02428"></a>02428   <span class="keywordtype">int</span> fd;
<a name="l02429"></a>02429 
<a name="l02430"></a>02430   <span class="comment">/* FALSE return means "no memory", if it could</span>
<a name="l02431"></a>02431 <span class="comment">   * mean something else then we'd need to return</span>
<a name="l02432"></a>02432 <span class="comment">   * a DBusError. So we always fall back to pseudorandom</span>
<a name="l02433"></a>02433 <span class="comment">   * if the I/O fails.</span>
<a name="l02434"></a>02434 <span class="comment">   */</span>
<a name="l02435"></a>02435   
<a name="l02436"></a>02436   old_len = _dbus_string_get_length (str);
<a name="l02437"></a>02437   fd = -1;
<a name="l02438"></a>02438 
<a name="l02439"></a>02439   <span class="comment">/* note, urandom on linux will fall back to pseudorandom */</span>
<a name="l02440"></a>02440   fd = open (<span class="stringliteral">"/dev/urandom"</span>, O_RDONLY);
<a name="l02441"></a>02441   <span class="keywordflow">if</span> (fd &lt; 0)
<a name="l02442"></a>02442     <span class="keywordflow">return</span> _dbus_generate_pseudorandom_bytes (str, n_bytes);
<a name="l02443"></a>02443 
<a name="l02444"></a>02444   _dbus_verbose (<span class="stringliteral">"/dev/urandom fd %d opened\n"</span>, fd);
<a name="l02445"></a>02445   
<a name="l02446"></a>02446   <span class="keywordflow">if</span> (<a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (fd, str, n_bytes) != n_bytes)
<a name="l02447"></a>02447     {
<a name="l02448"></a>02448       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02449"></a>02449       <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (str, old_len);
<a name="l02450"></a>02450       <span class="keywordflow">return</span> _dbus_generate_pseudorandom_bytes (str, n_bytes);
<a name="l02451"></a>02451     }
<a name="l02452"></a>02452 
<a name="l02453"></a>02453   _dbus_verbose (<span class="stringliteral">"Read %d bytes from /dev/urandom\n"</span>,
<a name="l02454"></a>02454                  n_bytes);
<a name="l02455"></a>02455   
<a name="l02456"></a>02456   <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02457"></a>02457   
<a name="l02458"></a>02458   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02459"></a>02459 }
<a name="l02460"></a>02460 
<a name="l02466"></a>02466 <span class="keywordtype">void</span>
<a name="l02467"></a><a class="code" href="group__DBusSysdeps.html#g203e3257b50597a8fe7757c920474a20">02467</a> <a class="code" href="group__DBusSysdeps.html#g203e3257b50597a8fe7757c920474a20">_dbus_exit</a> (<span class="keywordtype">int</span> code)
<a name="l02468"></a>02468 {
<a name="l02469"></a>02469   _exit (code);
<a name="l02470"></a>02470 }
<a name="l02471"></a>02471 
<a name="l02480"></a>02480 <span class="keyword">const</span> <span class="keywordtype">char</span>*
<a name="l02481"></a>02481 _dbus_strerror (<span class="keywordtype">int</span> error_number)
<a name="l02482"></a>02482 {
<a name="l02483"></a>02483   <span class="keyword">const</span> <span class="keywordtype">char</span> *msg;
<a name="l02484"></a>02484   
<a name="l02485"></a>02485   msg = strerror (error_number);
<a name="l02486"></a>02486   <span class="keywordflow">if</span> (msg == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02487"></a>02487     msg = <span class="stringliteral">"unknown"</span>;
<a name="l02488"></a>02488 
<a name="l02489"></a>02489   <span class="keywordflow">return</span> msg;
<a name="l02490"></a>02490 }
<a name="l02491"></a>02491 
<a name="l02495"></a>02495 <span class="keywordtype">void</span>
<a name="l02496"></a><a class="code" href="group__DBusSysdeps.html#g6890d4cde3afec0bf274ca2af8c9e204">02496</a> <a class="code" href="group__DBusSysdeps.html#g6890d4cde3afec0bf274ca2af8c9e204">_dbus_disable_sigpipe</a> (<span class="keywordtype">void</span>)
<a name="l02497"></a>02497 {
<a name="l02498"></a>02498   signal (SIGPIPE, SIG_IGN);
<a name="l02499"></a>02499 }
<a name="l02500"></a>02500 
<a name="l02508"></a>02508 <span class="keywordtype">void</span>
<a name="l02509"></a><a class="code" href="group__DBusSysdeps.html#g000b1d83b0188e2db82d766b6665bb83">02509</a> <a class="code" href="group__DBusSysdeps.html#g000b1d83b0188e2db82d766b6665bb83">_dbus_fd_set_close_on_exec</a> (<span class="keywordtype">int</span> fd)
<a name="l02510"></a>02510 {
<a name="l02511"></a>02511   <span class="keywordtype">int</span> val;
<a name="l02512"></a>02512   
<a name="l02513"></a>02513   val = fcntl (fd, F_GETFD, 0);
<a name="l02514"></a>02514   
<a name="l02515"></a>02515   <span class="keywordflow">if</span> (val &lt; 0)
<a name="l02516"></a>02516     <span class="keywordflow">return</span>;
<a name="l02517"></a>02517 
<a name="l02518"></a>02518   val |= FD_CLOEXEC;
<a name="l02519"></a>02519   
<a name="l02520"></a>02520   fcntl (fd, F_SETFD, val);
<a name="l02521"></a>02521 }
<a name="l02522"></a>02522 
<a name="l02530"></a>02530 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02531"></a><a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">02531</a> <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (<span class="keywordtype">int</span>        fd,
<a name="l02532"></a>02532              <a class="code" href="structDBusError.html">DBusError</a> *error)
<a name="l02533"></a>02533 {
<a name="l02534"></a>02534   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02535"></a>02535   
<a name="l02536"></a>02536  again:
<a name="l02537"></a>02537   <span class="keywordflow">if</span> (close (fd) &lt; 0)
<a name="l02538"></a>02538     {
<a name="l02539"></a>02539       <span class="keywordflow">if</span> (errno == EINTR)
<a name="l02540"></a>02540         <span class="keywordflow">goto</span> again;
<a name="l02541"></a>02541 
<a name="l02542"></a>02542       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02543"></a>02543                       <span class="stringliteral">"Could not close fd %d"</span>, fd);
<a name="l02544"></a>02544       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02545"></a>02545     }
<a name="l02546"></a>02546 
<a name="l02547"></a>02547   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02548"></a>02548 }
<a name="l02549"></a>02549 
<a name="l02557"></a>02557 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02558"></a>02558 _dbus_set_fd_nonblocking (<span class="keywordtype">int</span>             fd,
<a name="l02559"></a>02559                           <a class="code" href="structDBusError.html">DBusError</a>      *error)
<a name="l02560"></a>02560 {
<a name="l02561"></a>02561   <span class="keywordtype">int</span> val;
<a name="l02562"></a>02562 
<a name="l02563"></a>02563   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02564"></a>02564   
<a name="l02565"></a>02565   val = fcntl (fd, F_GETFL, 0);
<a name="l02566"></a>02566   <span class="keywordflow">if</span> (val &lt; 0)
<a name="l02567"></a>02567     {
<a name="l02568"></a>02568       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02569"></a>02569                       <span class="stringliteral">"Failed to get flags from file descriptor %d: %s"</span>,
<a name="l02570"></a>02570                       fd, _dbus_strerror (errno));
<a name="l02571"></a>02571       _dbus_verbose (<span class="stringliteral">"Failed to get flags for fd %d: %s\n"</span>, fd,
<a name="l02572"></a>02572                      _dbus_strerror (errno));
<a name="l02573"></a>02573       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02574"></a>02574     }
<a name="l02575"></a>02575 
<a name="l02576"></a>02576   <span class="keywordflow">if</span> (fcntl (fd, F_SETFL, val | O_NONBLOCK) &lt; 0)
<a name="l02577"></a>02577     {
<a name="l02578"></a>02578       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02579"></a>02579                       <span class="stringliteral">"Failed to set nonblocking flag of file descriptor %d: %s"</span>,
<a name="l02580"></a>02580                       fd, _dbus_strerror (errno));
<a name="l02581"></a>02581       _dbus_verbose (<span class="stringliteral">"Failed to set fd %d nonblocking: %s\n"</span>,
<a name="l02582"></a>02582                      fd, _dbus_strerror (errno));
<a name="l02583"></a>02583 
<a name="l02584"></a>02584       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02585"></a>02585     }
<a name="l02586"></a>02586 
<a name="l02587"></a>02587   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02588"></a>02588 }
<a name="l02589"></a>02589 
<a name="l02595"></a>02595 <span class="keywordtype">void</span>
<a name="l02596"></a><a class="code" href="group__DBusSysdeps.html#g8646ab2ef727fcc862c7904113c88a8d">02596</a> <a class="code" href="group__DBusSysdeps.html#g8646ab2ef727fcc862c7904113c88a8d">_dbus_print_backtrace</a> (<span class="keywordtype">void</span>)
<a name="l02597"></a>02597 {  
<a name="l02598"></a>02598 <span class="preprocessor">#if defined (HAVE_BACKTRACE) &amp;&amp; defined (DBUS_BUILT_R_DYNAMIC)</span>
<a name="l02599"></a>02599 <span class="preprocessor"></span>  <span class="keywordtype">void</span> *bt[500];
<a name="l02600"></a>02600   <span class="keywordtype">int</span> bt_size;
<a name="l02601"></a>02601   <span class="keywordtype">int</span> i;
<a name="l02602"></a>02602   <span class="keywordtype">char</span> **syms;
<a name="l02603"></a>02603   
<a name="l02604"></a>02604   bt_size = backtrace (bt, 500);
<a name="l02605"></a>02605 
<a name="l02606"></a>02606   syms = backtrace_symbols (bt, bt_size);
<a name="l02607"></a>02607   
<a name="l02608"></a>02608   i = 0;
<a name="l02609"></a>02609   <span class="keywordflow">while</span> (i &lt; bt_size)
<a name="l02610"></a>02610     {
<a name="l02611"></a>02611       <span class="comment">/* don't use dbus_warn since it can _dbus_abort() */</span>
<a name="l02612"></a>02612       fprintf (stderr, <span class="stringliteral">"  %s\n"</span>, syms[i]);
<a name="l02613"></a>02613       ++i;
<a name="l02614"></a>02614     }
<a name="l02615"></a>02615   fflush (stderr);
<a name="l02616"></a>02616 
<a name="l02617"></a>02617   free (syms);
<a name="l02618"></a>02618 <span class="preprocessor">#elif defined (HAVE_BACKTRACE) &amp;&amp; ! defined (DBUS_BUILT_R_DYNAMIC)</span>
<a name="l02619"></a>02619 <span class="preprocessor"></span>  fprintf (stderr, <span class="stringliteral">"  D-Bus not built with -rdynamic so unable to print a backtrace\n"</span>);
<a name="l02620"></a>02620 <span class="preprocessor">#else</span>
<a name="l02621"></a>02621 <span class="preprocessor"></span>  fprintf (stderr, <span class="stringliteral">"  D-Bus not compiled with backtrace support so unable to print a backtrace\n"</span>);
<a name="l02622"></a>02622 <span class="preprocessor">#endif</span>
<a name="l02623"></a>02623 <span class="preprocessor"></span>}
<a name="l02624"></a>02624 
<a name="l02640"></a>02640 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02641"></a><a class="code" href="group__DBusSysdeps.html#ge96a3f400324b065f78a865a86454d09">02641</a> <a class="code" href="group__DBusSysdeps.html#ge96a3f400324b065f78a865a86454d09">_dbus_full_duplex_pipe</a> (<span class="keywordtype">int</span>        *fd1,
<a name="l02642"></a>02642                         <span class="keywordtype">int</span>        *fd2,
<a name="l02643"></a>02643                         <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> blocking,
<a name="l02644"></a>02644                         <a class="code" href="structDBusError.html">DBusError</a>  *error)
<a name="l02645"></a>02645 {
<a name="l02646"></a>02646 <span class="preprocessor">#ifdef HAVE_SOCKETPAIR</span>
<a name="l02647"></a>02647 <span class="preprocessor"></span>  <span class="keywordtype">int</span> fds[2];
<a name="l02648"></a>02648 
<a name="l02649"></a>02649   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02650"></a>02650   
<a name="l02651"></a>02651   <span class="keywordflow">if</span> (socketpair (AF_UNIX, SOCK_STREAM, 0, fds) &lt; 0)
<a name="l02652"></a>02652     {
<a name="l02653"></a>02653       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02654"></a>02654                       <span class="stringliteral">"Could not create full-duplex pipe"</span>);
<a name="l02655"></a>02655       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02656"></a>02656     }
<a name="l02657"></a>02657 
<a name="l02658"></a>02658   <span class="keywordflow">if</span> (!blocking &amp;&amp;
<a name="l02659"></a>02659       (!_dbus_set_fd_nonblocking (fds[0], <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) ||
<a name="l02660"></a>02660        !_dbus_set_fd_nonblocking (fds[1], <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)))
<a name="l02661"></a>02661     {
<a name="l02662"></a>02662       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02663"></a>02663                       <span class="stringliteral">"Could not set full-duplex pipe nonblocking"</span>);
<a name="l02664"></a>02664       
<a name="l02665"></a>02665       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fds[0], <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02666"></a>02666       <a class="code" href="group__DBusSysdepsUnix.html#gc448479a1674e3b86cee9a4bdc7eba03">_dbus_close</a> (fds[1], <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02667"></a>02667       
<a name="l02668"></a>02668       <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02669"></a>02669     }
<a name="l02670"></a>02670   
<a name="l02671"></a>02671   *fd1 = fds[0];
<a name="l02672"></a>02672   *fd2 = fds[1];
<a name="l02673"></a>02673 
<a name="l02674"></a>02674   _dbus_verbose (<span class="stringliteral">"full-duplex pipe %d &lt;-&gt; %d\n"</span>,
<a name="l02675"></a>02675                  *fd1, *fd2);
<a name="l02676"></a>02676   
<a name="l02677"></a>02677   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;  
<a name="l02678"></a>02678 <span class="preprocessor">#else</span>
<a name="l02679"></a>02679 <span class="preprocessor"></span>  <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"_dbus_full_duplex_pipe() not implemented on this OS\n"</span>);
<a name="l02680"></a>02680   <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gbb62fd6340d0787fbd56ff8dd2f326c7">DBUS_ERROR_FAILED</a>,
<a name="l02681"></a>02681                   <span class="stringliteral">"_dbus_full_duplex_pipe() not implemented on this OS"</span>);
<a name="l02682"></a>02682   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02683"></a>02683 <span class="preprocessor">#endif</span>
<a name="l02684"></a>02684 <span class="preprocessor"></span>}
<a name="l02685"></a>02685 
<a name="l02686"></a>02686 
<a name="l02695"></a>02695 <span class="keywordtype">int</span>
<a name="l02696"></a><a class="code" href="group__DBusSysdeps.html#gffaf8b5bb832c20a8ccb10f012920776">02696</a> <a class="code" href="group__DBusSysdeps.html#gffaf8b5bb832c20a8ccb10f012920776">_dbus_printf_string_upper_bound</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> *format,
<a name="l02697"></a>02697                                  va_list     args)
<a name="l02698"></a>02698 {
<a name="l02699"></a>02699   <span class="keywordtype">char</span> c;
<a name="l02700"></a>02700   <span class="keywordflow">return</span> vsnprintf (&amp;c, 1, format, args);
<a name="l02701"></a>02701 }
<a name="l02702"></a>02702 
<a name="l02709"></a>02709 <span class="keyword">const</span> <span class="keywordtype">char</span>*
<a name="l02710"></a><a class="code" href="group__DBusSysdeps.html#g3ecdae905f2d9e95fd35891b20f06532">02710</a> <a class="code" href="group__DBusSysdeps.html#g3ecdae905f2d9e95fd35891b20f06532">_dbus_get_tmpdir</a>(<span class="keywordtype">void</span>)
<a name="l02711"></a>02711 {
<a name="l02712"></a>02712   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* tmpdir = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l02713"></a>02713 
<a name="l02714"></a>02714   <span class="keywordflow">if</span> (tmpdir == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02715"></a>02715     {
<a name="l02716"></a>02716       <span class="comment">/* TMPDIR is what glibc uses, then</span>
<a name="l02717"></a>02717 <span class="comment">       * glibc falls back to the P_tmpdir macro which</span>
<a name="l02718"></a>02718 <span class="comment">       * just expands to "/tmp"</span>
<a name="l02719"></a>02719 <span class="comment">       */</span>
<a name="l02720"></a>02720       <span class="keywordflow">if</span> (tmpdir == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02721"></a>02721         tmpdir = getenv(<span class="stringliteral">"TMPDIR"</span>);
<a name="l02722"></a>02722 
<a name="l02723"></a>02723       <span class="comment">/* These two env variables are probably</span>
<a name="l02724"></a>02724 <span class="comment">       * broken, but maybe some OS uses them?</span>
<a name="l02725"></a>02725 <span class="comment">       */</span>
<a name="l02726"></a>02726       <span class="keywordflow">if</span> (tmpdir == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02727"></a>02727         tmpdir = getenv(<span class="stringliteral">"TMP"</span>);
<a name="l02728"></a>02728       <span class="keywordflow">if</span> (tmpdir == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02729"></a>02729         tmpdir = getenv(<span class="stringliteral">"TEMP"</span>);
<a name="l02730"></a>02730 
<a name="l02731"></a>02731       <span class="comment">/* And this is the sane fallback. */</span>
<a name="l02732"></a>02732       <span class="keywordflow">if</span> (tmpdir == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02733"></a>02733         tmpdir = <span class="stringliteral">"/tmp"</span>;
<a name="l02734"></a>02734     }
<a name="l02735"></a>02735   
<a name="l02736"></a>02736   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a>(tmpdir != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l02737"></a>02737   
<a name="l02738"></a>02738   <span class="keywordflow">return</span> tmpdir;
<a name="l02739"></a>02739 }
<a name="l02740"></a>02740 
<a name="l02753"></a>02753 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02754"></a><a class="code" href="group__DBusSysdeps.html#g5d0a3ba7355b396fab824b6404840db2">02754</a> <a class="code" href="group__DBusSysdeps.html#g5d0a3ba7355b396fab824b6404840db2">_dbus_get_autolaunch_address</a> (<a class="code" href="structDBusString.html">DBusString</a> *address,
<a name="l02755"></a>02755                               <a class="code" href="structDBusError.html">DBusError</a>  *error)
<a name="l02756"></a>02756 {
<a name="l02757"></a>02757   <span class="keyword">static</span> <span class="keywordtype">char</span> *argv[6];
<a name="l02758"></a>02758   <span class="keywordtype">int</span> address_pipe[2] = { -1, -1 };
<a name="l02759"></a>02759   <span class="keywordtype">int</span> errors_pipe[2] = { -1, -1 };
<a name="l02760"></a>02760   pid_t pid;
<a name="l02761"></a>02761   <span class="keywordtype">int</span> ret;
<a name="l02762"></a>02762   <span class="keywordtype">int</span> status;
<a name="l02763"></a>02763   <span class="keywordtype">int</span> orig_len;
<a name="l02764"></a>02764   <span class="keywordtype">int</span> i;
<a name="l02765"></a>02765   <a class="code" href="structDBusString.html">DBusString</a> uuid;
<a name="l02766"></a>02766   <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> retval;
<a name="l02767"></a>02767   
<a name="l02768"></a>02768   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02769"></a>02769   retval = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02770"></a>02770 
<a name="l02771"></a>02771   <a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;uuid);
<a name="l02772"></a>02772   
<a name="l02773"></a>02773   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusInternalsUtils.html#g49ba67405d677af6cde9329ed87ea91f">_dbus_get_local_machine_uuid_encoded</a> (&amp;uuid))
<a name="l02774"></a>02774     {
<a name="l02775"></a>02775       _DBUS_SET_OOM (error);
<a name="l02776"></a>02776       <span class="keywordflow">goto</span> out;
<a name="l02777"></a>02777     }
<a name="l02778"></a>02778   
<a name="l02779"></a>02779   i = 0;
<a name="l02780"></a>02780   argv[i] = <span class="stringliteral">"dbus-launch"</span>;
<a name="l02781"></a>02781   ++i;
<a name="l02782"></a>02782   argv[i] = <span class="stringliteral">"--autolaunch"</span>;
<a name="l02783"></a>02783   ++i;
<a name="l02784"></a>02784   argv[i] = _dbus_string_get_data (&amp;uuid);
<a name="l02785"></a>02785   ++i;
<a name="l02786"></a>02786   argv[i] = <span class="stringliteral">"--binary-syntax"</span>;
<a name="l02787"></a>02787   ++i;
<a name="l02788"></a>02788   argv[i] = <span class="stringliteral">"--close-stderr"</span>;
<a name="l02789"></a>02789   ++i;
<a name="l02790"></a>02790   argv[i] = <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l02791"></a>02791   ++i;
<a name="l02792"></a>02792 
<a name="l02793"></a>02793   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (i == <a class="code" href="group__DBusInternalsUtils.html#gc153abad46f4eb80999a2b340d29d1f0">_DBUS_N_ELEMENTS</a> (argv));
<a name="l02794"></a>02794   
<a name="l02795"></a>02795   orig_len = _dbus_string_get_length (address);
<a name="l02796"></a>02796   
<a name="l02797"></a>02797 <span class="preprocessor">#define READ_END        0</span>
<a name="l02798"></a>02798 <span class="preprocessor"></span><span class="preprocessor">#define WRITE_END       1</span>
<a name="l02799"></a>02799 <span class="preprocessor"></span>  <span class="keywordflow">if</span> (pipe (address_pipe) &lt; 0)
<a name="l02800"></a>02800     {
<a name="l02801"></a>02801       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02802"></a>02802                       <span class="stringliteral">"Failed to create a pipe: %s"</span>,
<a name="l02803"></a>02803                       _dbus_strerror (errno));
<a name="l02804"></a>02804       _dbus_verbose (<span class="stringliteral">"Failed to create a pipe to call dbus-launch: %s\n"</span>,
<a name="l02805"></a>02805                      _dbus_strerror (errno));
<a name="l02806"></a>02806       <span class="keywordflow">goto</span> out;
<a name="l02807"></a>02807     }
<a name="l02808"></a>02808   <span class="keywordflow">if</span> (pipe (errors_pipe) &lt; 0)
<a name="l02809"></a>02809     {
<a name="l02810"></a>02810       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02811"></a>02811                       <span class="stringliteral">"Failed to create a pipe: %s"</span>,
<a name="l02812"></a>02812                       _dbus_strerror (errno));
<a name="l02813"></a>02813       _dbus_verbose (<span class="stringliteral">"Failed to create a pipe to call dbus-launch: %s\n"</span>,
<a name="l02814"></a>02814                      _dbus_strerror (errno));
<a name="l02815"></a>02815       <span class="keywordflow">goto</span> out;
<a name="l02816"></a>02816     }
<a name="l02817"></a>02817 
<a name="l02818"></a>02818   pid = fork ();
<a name="l02819"></a>02819   <span class="keywordflow">if</span> (pid &lt; 0)
<a name="l02820"></a>02820     {
<a name="l02821"></a>02821       <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusInternalsUtils.html#g2212aa0e5732257598a6597748c658e4">_dbus_error_from_errno</a> (errno),
<a name="l02822"></a>02822                       <span class="stringliteral">"Failed to fork(): %s"</span>,
<a name="l02823"></a>02823                       _dbus_strerror (errno));
<a name="l02824"></a>02824       _dbus_verbose (<span class="stringliteral">"Failed to fork() to call dbus-launch: %s\n"</span>,
<a name="l02825"></a>02825                      _dbus_strerror (errno));
<a name="l02826"></a>02826       <span class="keywordflow">goto</span> out;
<a name="l02827"></a>02827     }
<a name="l02828"></a>02828 
<a name="l02829"></a>02829   <span class="keywordflow">if</span> (pid == 0)
<a name="l02830"></a>02830     {
<a name="l02831"></a>02831       <span class="comment">/* child process */</span>
<a name="l02832"></a>02832       <span class="keywordtype">int</span> fd = open (<span class="stringliteral">"/dev/null"</span>, O_RDWR);
<a name="l02833"></a>02833       <span class="keywordflow">if</span> (fd == -1)
<a name="l02834"></a>02834         <span class="comment">/* huh?! can't open /dev/null? */</span>
<a name="l02835"></a>02835         _exit (1);
<a name="l02836"></a>02836 
<a name="l02837"></a>02837       _dbus_verbose (<span class="stringliteral">"/dev/null fd %d opened\n"</span>, fd);
<a name="l02838"></a>02838       
<a name="l02839"></a>02839       <span class="comment">/* set-up stdXXX */</span>
<a name="l02840"></a>02840       close (address_pipe[<a class="code" href="group__DBusInternalsUtils.html#g2469c53816dc077f9deefb187ffcabf3">READ_END</a>]);
<a name="l02841"></a>02841       close (errors_pipe[READ_END]);
<a name="l02842"></a>02842       close (0);                <span class="comment">/* close stdin */</span>
<a name="l02843"></a>02843       close (1);                <span class="comment">/* close stdout */</span>
<a name="l02844"></a>02844       close (2);                <span class="comment">/* close stderr */</span>
<a name="l02845"></a>02845 
<a name="l02846"></a>02846       <span class="keywordflow">if</span> (dup2 (fd, 0) == -1)
<a name="l02847"></a>02847         _exit (1);
<a name="l02848"></a>02848       <span class="keywordflow">if</span> (dup2 (address_pipe[<a class="code" href="group__DBusInternalsUtils.html#g2efd706d915e621e5e18b3f0803c4ed2">WRITE_END</a>], 1) == -1)
<a name="l02849"></a>02849         _exit (1);
<a name="l02850"></a>02850       <span class="keywordflow">if</span> (dup2 (errors_pipe[WRITE_END], 2) == -1)
<a name="l02851"></a>02851         _exit (1);
<a name="l02852"></a>02852 
<a name="l02853"></a>02853       close (fd);
<a name="l02854"></a>02854       close (address_pipe[WRITE_END]);
<a name="l02855"></a>02855       close (errors_pipe[WRITE_END]);
<a name="l02856"></a>02856 
<a name="l02857"></a>02857       execv (DBUS_BINDIR <span class="stringliteral">"/dbus-launch"</span>, argv);
<a name="l02858"></a>02858 
<a name="l02859"></a>02859       <span class="comment">/* failed, try searching PATH */</span>
<a name="l02860"></a>02860       execvp (<span class="stringliteral">"dbus-launch"</span>, argv);
<a name="l02861"></a>02861 
<a name="l02862"></a>02862       <span class="comment">/* still nothing, we failed */</span>
<a name="l02863"></a>02863       _exit (1);
<a name="l02864"></a>02864     }
<a name="l02865"></a>02865 
<a name="l02866"></a>02866   <span class="comment">/* parent process */</span>
<a name="l02867"></a>02867   close (address_pipe[<a class="code" href="group__DBusInternalsUtils.html#g2efd706d915e621e5e18b3f0803c4ed2">WRITE_END</a>]);
<a name="l02868"></a>02868   close (errors_pipe[WRITE_END]);
<a name="l02869"></a>02869   address_pipe[WRITE_END] = -1;
<a name="l02870"></a>02870   errors_pipe[WRITE_END] = -1;
<a name="l02871"></a>02871 
<a name="l02872"></a>02872   ret = 0;
<a name="l02873"></a>02873   <span class="keywordflow">do</span> 
<a name="l02874"></a>02874     {
<a name="l02875"></a>02875       ret = <a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (address_pipe[<a class="code" href="group__DBusInternalsUtils.html#g2469c53816dc077f9deefb187ffcabf3">READ_END</a>], address, 1024);
<a name="l02876"></a>02876     }
<a name="l02877"></a>02877   <span class="keywordflow">while</span> (ret &gt; 0);
<a name="l02878"></a>02878 
<a name="l02879"></a>02879   <span class="comment">/* reap the child process to avoid it lingering as zombie */</span>
<a name="l02880"></a>02880   <span class="keywordflow">do</span>
<a name="l02881"></a>02881     {
<a name="l02882"></a>02882       ret = waitpid (pid, &amp;status, 0);
<a name="l02883"></a>02883     }
<a name="l02884"></a>02884   <span class="keywordflow">while</span> (ret == -1 &amp;&amp; errno == EINTR);
<a name="l02885"></a>02885 
<a name="l02886"></a>02886   <span class="comment">/* We succeeded if the process exited with status 0 and</span>
<a name="l02887"></a>02887 <span class="comment">     anything was read */</span>
<a name="l02888"></a>02888   <span class="keywordflow">if</span> (!WIFEXITED (status) || WEXITSTATUS (status) != 0 ||
<a name="l02889"></a>02889       _dbus_string_get_length (address) == orig_len)
<a name="l02890"></a>02890     {
<a name="l02891"></a>02891       <span class="comment">/* The process ended with error */</span>
<a name="l02892"></a>02892       <a class="code" href="structDBusString.html">DBusString</a> error_message;
<a name="l02893"></a>02893       <a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;error_message);
<a name="l02894"></a>02894       ret = 0;
<a name="l02895"></a>02895       <span class="keywordflow">do</span>
<a name="l02896"></a>02896         {
<a name="l02897"></a>02897           ret = <a class="code" href="group__DBusSysdepsUnix.html#gf52cb1d5b9fc5611808ce32eff898c28">_dbus_read</a> (errors_pipe[<a class="code" href="group__DBusInternalsUtils.html#g2469c53816dc077f9deefb187ffcabf3">READ_END</a>], &amp;error_message, 1024);
<a name="l02898"></a>02898         }
<a name="l02899"></a>02899       <span class="keywordflow">while</span> (ret &gt; 0);
<a name="l02900"></a>02900 
<a name="l02901"></a>02901       <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (address, orig_len);
<a name="l02902"></a>02902       <span class="keywordflow">if</span> (_dbus_string_get_length (&amp;error_message) &gt; 0)
<a name="l02903"></a>02903         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc04bc3bebee1674e93ef96aaa2b34b40">DBUS_ERROR_SPAWN_EXEC_FAILED</a>,
<a name="l02904"></a>02904                         <span class="stringliteral">"dbus-launch failed to autolaunch D-Bus session: %s"</span>,
<a name="l02905"></a>02905                         _dbus_string_get_data (&amp;error_message));
<a name="l02906"></a>02906       <span class="keywordflow">else</span>
<a name="l02907"></a>02907         <a class="code" href="group__DBusErrors.html#g4e1b4b297468006781a957129ad9cf00">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gc04bc3bebee1674e93ef96aaa2b34b40">DBUS_ERROR_SPAWN_EXEC_FAILED</a>,
<a name="l02908"></a>02908                         <span class="stringliteral">"Failed to execute dbus-launch to autolaunch D-Bus session"</span>);
<a name="l02909"></a>02909       <span class="keywordflow">goto</span> out;
<a name="l02910"></a>02910     }
<a name="l02911"></a>02911 
<a name="l02912"></a>02912   retval = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l02913"></a>02913   
<a name="l02914"></a>02914  out:
<a name="l02915"></a>02915   <span class="keywordflow">if</span> (retval)
<a name="l02916"></a>02916     _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l02917"></a>02917   <span class="keywordflow">else</span>
<a name="l02918"></a>02918     _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l02919"></a>02919 
<a name="l02920"></a>02920   <span class="keywordflow">if</span> (address_pipe[0] != -1)
<a name="l02921"></a>02921     close (address_pipe[0]);
<a name="l02922"></a>02922   <span class="keywordflow">if</span> (address_pipe[1] != -1)
<a name="l02923"></a>02923     close (address_pipe[1]);
<a name="l02924"></a>02924   <span class="keywordflow">if</span> (errors_pipe[0] != -1)
<a name="l02925"></a>02925     close (errors_pipe[0]);
<a name="l02926"></a>02926   <span class="keywordflow">if</span> (errors_pipe[1] != -1)
<a name="l02927"></a>02927     close (errors_pipe[1]);
<a name="l02928"></a>02928 
<a name="l02929"></a>02929   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;uuid);
<a name="l02930"></a>02930   <span class="keywordflow">return</span> retval;
<a name="l02931"></a>02931 }
<a name="l02932"></a>02932 
<a name="l02951"></a>02951 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l02952"></a><a class="code" href="group__DBusSysdeps.html#g3f073afc8ef8397471531baf513e1bb5">02952</a> <a class="code" href="group__DBusSysdeps.html#g3f073afc8ef8397471531baf513e1bb5">_dbus_read_local_machine_uuid</a> (<a class="code" href="unionDBusGUID.html">DBusGUID</a>   *machine_id,
<a name="l02953"></a>02953                                <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> create_if_not_found,
<a name="l02954"></a>02954                                <a class="code" href="structDBusError.html">DBusError</a>  *error)
<a name="l02955"></a>02955 {
<a name="l02956"></a>02956   <a class="code" href="structDBusString.html">DBusString</a> filename;
<a name="l02957"></a>02957   <a class="code" href="group__DBusString.html#g374640ddfa2f0b27a8356e2379ba8043">_dbus_string_init_const</a> (&amp;filename, DBUS_MACHINE_UUID_FILE);
<a name="l02958"></a>02958   <span class="keywordflow">return</span> <a class="code" href="group__DBusInternalsUtils.html#g709fd30e6b940a5952af38efaf24ad51">_dbus_read_uuid_file</a> (&amp;filename, machine_id, create_if_not_found, error);
<a name="l02959"></a>02959 }
<a name="l02960"></a>02960 
<a name="l02961"></a>02961 <span class="preprocessor">#define DBUS_UNIX_STANDARD_SESSION_SERVICEDIR "/dbus-1/services"</span>
<a name="l02962"></a>02962 <span class="preprocessor"></span><span class="preprocessor">#define DBUS_UNIX_STANDARD_SYSTEM_SERVICEDIR "/dbus-1/system-services"</span>
<a name="l02963"></a>02963 <span class="preprocessor"></span>
<a name="l02964"></a>02964 
<a name="l02982"></a>02982 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> 
<a name="l02983"></a><a class="code" href="group__DBusSysdeps.html#g079d34a9d90759e6b3ebebab424c696e">02983</a> <a class="code" href="group__DBusSysdeps.html#g079d34a9d90759e6b3ebebab424c696e">_dbus_get_standard_session_servicedirs</a> (<a class="code" href="structDBusList.html">DBusList</a> **dirs)
<a name="l02984"></a>02984 {
<a name="l02985"></a>02985   <span class="keyword">const</span> <span class="keywordtype">char</span> *xdg_data_home;
<a name="l02986"></a>02986   <span class="keyword">const</span> <span class="keywordtype">char</span> *xdg_data_dirs;
<a name="l02987"></a>02987   <a class="code" href="structDBusString.html">DBusString</a> servicedir_path;
<a name="l02988"></a>02988 
<a name="l02989"></a>02989   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;servicedir_path))
<a name="l02990"></a>02990     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l02991"></a>02991 
<a name="l02992"></a>02992   xdg_data_home = <a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"XDG_DATA_HOME"</span>);
<a name="l02993"></a>02993   xdg_data_dirs = <a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"XDG_DATA_DIRS"</span>);
<a name="l02994"></a>02994 
<a name="l02995"></a>02995   <span class="keywordflow">if</span> (xdg_data_dirs != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l02996"></a>02996     {
<a name="l02997"></a>02997       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, xdg_data_dirs))
<a name="l02998"></a>02998         <span class="keywordflow">goto</span> oom;
<a name="l02999"></a>02999 
<a name="l03000"></a>03000       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, <span class="stringliteral">":"</span>))
<a name="l03001"></a>03001         <span class="keywordflow">goto</span> oom;
<a name="l03002"></a>03002     }
<a name="l03003"></a>03003   <span class="keywordflow">else</span>
<a name="l03004"></a>03004     {
<a name="l03005"></a>03005       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, <span class="stringliteral">"/usr/local/share:/usr/share:"</span>))
<a name="l03006"></a>03006         <span class="keywordflow">goto</span> oom;
<a name="l03007"></a>03007     }
<a name="l03008"></a>03008 
<a name="l03009"></a>03009   <span class="comment">/* </span>
<a name="l03010"></a>03010 <span class="comment">   * add configured datadir to defaults</span>
<a name="l03011"></a>03011 <span class="comment">   * this may be the same as an xdg dir</span>
<a name="l03012"></a>03012 <span class="comment">   * however the config parser should take </span>
<a name="l03013"></a>03013 <span class="comment">   * care of duplicates </span>
<a name="l03014"></a>03014 <span class="comment">   */</span>
<a name="l03015"></a>03015   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, DBUS_DATADIR<span class="stringliteral">":"</span>))
<a name="l03016"></a>03016         <span class="keywordflow">goto</span> oom;
<a name="l03017"></a>03017 
<a name="l03018"></a>03018   <span class="keywordflow">if</span> (xdg_data_home != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l03019"></a>03019     {
<a name="l03020"></a>03020       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, xdg_data_home))
<a name="l03021"></a>03021         <span class="keywordflow">goto</span> oom;
<a name="l03022"></a>03022     }
<a name="l03023"></a>03023   <span class="keywordflow">else</span>
<a name="l03024"></a>03024     {
<a name="l03025"></a>03025       <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *homedir;
<a name="l03026"></a>03026       <a class="code" href="structDBusString.html">DBusString</a> local_share;
<a name="l03027"></a>03027 
<a name="l03028"></a>03028       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusInternalsUtils.html#g17ce3ab061a3ae2441cd33ece34f5e7a">_dbus_homedir_from_current_process</a> (&amp;homedir))
<a name="l03029"></a>03029         <span class="keywordflow">goto</span> oom;
<a name="l03030"></a>03030        
<a name="l03031"></a>03031       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, _dbus_string_get_const_data (homedir)))
<a name="l03032"></a>03032         <span class="keywordflow">goto</span> oom;
<a name="l03033"></a>03033 
<a name="l03034"></a>03034       <a class="code" href="group__DBusString.html#g374640ddfa2f0b27a8356e2379ba8043">_dbus_string_init_const</a> (&amp;local_share, <span class="stringliteral">"/.local/share"</span>);
<a name="l03035"></a>03035       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdeps.html#ge3a3fdc0c6001e367584bb016aca495d">_dbus_concat_dir_and_file</a> (&amp;servicedir_path, &amp;local_share))
<a name="l03036"></a>03036         <span class="keywordflow">goto</span> oom;
<a name="l03037"></a>03037     }
<a name="l03038"></a>03038 
<a name="l03039"></a>03039   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdeps.html#g9393ded03e3b9812e4ba99b437ea992d">_dbus_split_paths_and_append</a> (&amp;servicedir_path, 
<a name="l03040"></a>03040                                      DBUS_UNIX_STANDARD_SESSION_SERVICEDIR, 
<a name="l03041"></a>03041                                      dirs))
<a name="l03042"></a>03042     <span class="keywordflow">goto</span> oom;
<a name="l03043"></a>03043 
<a name="l03044"></a>03044   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;servicedir_path);  
<a name="l03045"></a>03045   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l03046"></a>03046 
<a name="l03047"></a>03047  oom:
<a name="l03048"></a>03048   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;servicedir_path);
<a name="l03049"></a>03049   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03050"></a>03050 }
<a name="l03051"></a>03051 
<a name="l03052"></a>03052 
<a name="l03071"></a>03071 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> 
<a name="l03072"></a><a class="code" href="group__DBusSysdeps.html#g5193160c3dc144af34b250cfb5b0a61e">03072</a> <a class="code" href="group__DBusSysdeps.html#g5193160c3dc144af34b250cfb5b0a61e">_dbus_get_standard_system_servicedirs</a> (<a class="code" href="structDBusList.html">DBusList</a> **dirs)
<a name="l03073"></a>03073 {
<a name="l03074"></a>03074   <span class="keyword">const</span> <span class="keywordtype">char</span> *xdg_data_dirs;
<a name="l03075"></a>03075   <a class="code" href="structDBusString.html">DBusString</a> servicedir_path;
<a name="l03076"></a>03076 
<a name="l03077"></a>03077   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;servicedir_path))
<a name="l03078"></a>03078     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03079"></a>03079 
<a name="l03080"></a>03080   xdg_data_dirs = <a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"XDG_DATA_DIRS"</span>);
<a name="l03081"></a>03081 
<a name="l03082"></a>03082   <span class="keywordflow">if</span> (xdg_data_dirs != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l03083"></a>03083     {
<a name="l03084"></a>03084       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, xdg_data_dirs))
<a name="l03085"></a>03085         <span class="keywordflow">goto</span> oom;
<a name="l03086"></a>03086 
<a name="l03087"></a>03087       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, <span class="stringliteral">":"</span>))
<a name="l03088"></a>03088         <span class="keywordflow">goto</span> oom;
<a name="l03089"></a>03089     }
<a name="l03090"></a>03090   <span class="keywordflow">else</span>
<a name="l03091"></a>03091     {
<a name="l03092"></a>03092       <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, <span class="stringliteral">"/usr/local/share:/usr/share:"</span>))
<a name="l03093"></a>03093         <span class="keywordflow">goto</span> oom;
<a name="l03094"></a>03094     }
<a name="l03095"></a>03095 
<a name="l03096"></a>03096   <span class="comment">/* </span>
<a name="l03097"></a>03097 <span class="comment">   * add configured datadir to defaults</span>
<a name="l03098"></a>03098 <span class="comment">   * this may be the same as an xdg dir</span>
<a name="l03099"></a>03099 <span class="comment">   * however the config parser should take </span>
<a name="l03100"></a>03100 <span class="comment">   * care of duplicates </span>
<a name="l03101"></a>03101 <span class="comment">   */</span>
<a name="l03102"></a>03102   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;servicedir_path, DBUS_DATADIR<span class="stringliteral">":"</span>))
<a name="l03103"></a>03103         <span class="keywordflow">goto</span> oom;
<a name="l03104"></a>03104 
<a name="l03105"></a>03105   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdeps.html#g9393ded03e3b9812e4ba99b437ea992d">_dbus_split_paths_and_append</a> (&amp;servicedir_path, 
<a name="l03106"></a>03106                                      DBUS_UNIX_STANDARD_SYSTEM_SERVICEDIR, 
<a name="l03107"></a>03107                                      dirs))
<a name="l03108"></a>03108     <span class="keywordflow">goto</span> oom;
<a name="l03109"></a>03109 
<a name="l03110"></a>03110   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;servicedir_path);  
<a name="l03111"></a>03111   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l03112"></a>03112 
<a name="l03113"></a>03113  oom:
<a name="l03114"></a>03114   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;servicedir_path);
<a name="l03115"></a>03115   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03116"></a>03116 }
<a name="l03117"></a>03117 
<a name="l03126"></a>03126 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l03127"></a><a class="code" href="group__DBusSysdeps.html#g6a9478a21745b128750df87ac557c7d4">03127</a> <a class="code" href="group__DBusSysdeps.html#g6a9478a21745b128750df87ac557c7d4">_dbus_append_system_config_file</a> (<a class="code" href="structDBusString.html">DBusString</a> *str)
<a name="l03128"></a>03128 {
<a name="l03129"></a>03129   <span class="keywordflow">return</span> <a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (str, DBUS_SYSTEM_CONFIG_FILE);
<a name="l03130"></a>03130 }
<a name="l03131"></a>03131 
<a name="l03138"></a>03138 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l03139"></a><a class="code" href="group__DBusSysdeps.html#gcc062b5f20f4a355ea78afccb0abd5f9">03139</a> <a class="code" href="group__DBusSysdeps.html#gcc062b5f20f4a355ea78afccb0abd5f9">_dbus_append_session_config_file</a> (<a class="code" href="structDBusString.html">DBusString</a> *str)
<a name="l03140"></a>03140 {
<a name="l03141"></a>03141   <span class="keywordflow">return</span> <a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (str, DBUS_SESSION_CONFIG_FILE);
<a name="l03142"></a>03142 }
<a name="l03143"></a>03143 
<a name="l03151"></a>03151 <span class="keywordtype">void</span>
<a name="l03152"></a><a class="code" href="group__DBusSysdeps.html#g184b42c4b42b91ef73e9ee50a1fa12c2">03152</a> <a class="code" href="group__DBusSysdeps.html#g184b42c4b42b91ef73e9ee50a1fa12c2">_dbus_flush_caches</a> (<span class="keywordtype">void</span>)
<a name="l03153"></a>03153 {
<a name="l03154"></a>03154   <a class="code" href="group__DBusInternalsUtils.html#g788ce7775d7f812d28d931e8b87ddfde">_dbus_user_database_flush_system</a> ();
<a name="l03155"></a>03155 }
<a name="l03156"></a>03156 
<a name="l03170"></a>03170 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l03171"></a><a class="code" href="group__DBusSysdeps.html#g3cc5a5734416858fa58f3166ed181a64">03171</a> <a class="code" href="group__DBusSysdeps.html#g3cc5a5734416858fa58f3166ed181a64">_dbus_append_keyring_directory_for_credentials</a> (<a class="code" href="structDBusString.html">DBusString</a>      *directory,
<a name="l03172"></a>03172                                                 <a class="code" href="structDBusCredentials.html">DBusCredentials</a> *credentials)
<a name="l03173"></a>03173 {
<a name="l03174"></a>03174   <a class="code" href="structDBusString.html">DBusString</a> homedir;
<a name="l03175"></a>03175   <a class="code" href="structDBusString.html">DBusString</a> dotdir;
<a name="l03176"></a>03176   <a class="code" href="group__DBusSysdeps.html#g186e987b700f9ddc6cea8aa0db82b151">dbus_uid_t</a> uid;
<a name="l03177"></a>03177   
<a name="l03178"></a>03178   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (credentials != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l03179"></a>03179   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (!<a class="code" href="group__DBusCredentials.html#gbfd7a1f681a91b45ba2f4e7461131827">_dbus_credentials_are_anonymous</a> (credentials));
<a name="l03180"></a>03180   
<a name="l03181"></a>03181   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&amp;homedir))
<a name="l03182"></a>03182     <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03183"></a>03183 
<a name="l03184"></a>03184   uid = <a class="code" href="group__DBusCredentials.html#g462892f995f2932bf0eb3b843407e6d5">_dbus_credentials_get_unix_uid</a> (credentials);
<a name="l03185"></a>03185   <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (uid != <a class="code" href="group__DBusSysdeps.html#g3d2f3fb32bb759cabe362ca2de383f7d">DBUS_UID_UNSET</a>);
<a name="l03186"></a>03186 
<a name="l03187"></a>03187   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusInternalsUtils.html#gbdd1dc47f44e3d6702c86c68da9a0173">_dbus_homedir_from_uid</a> (uid, &amp;homedir))
<a name="l03188"></a>03188     <span class="keywordflow">goto</span> failed;
<a name="l03189"></a>03189   
<a name="l03190"></a>03190 <span class="preprocessor">#ifdef DBUS_BUILD_TESTS</span>
<a name="l03191"></a>03191 <span class="preprocessor"></span>  {
<a name="l03192"></a>03192     <span class="keyword">const</span> <span class="keywordtype">char</span> *override;
<a name="l03193"></a>03193     
<a name="l03194"></a>03194     override = <a class="code" href="group__DBusSysdeps.html#gb846071a4de54cb7e518654f9375313a">_dbus_getenv</a> (<span class="stringliteral">"DBUS_TEST_HOMEDIR"</span>);
<a name="l03195"></a>03195     <span class="keywordflow">if</span> (override != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> &amp;&amp; *override != <span class="charliteral">'\0'</span>)
<a name="l03196"></a>03196       {
<a name="l03197"></a>03197         <a class="code" href="group__DBusString.html#g08c423b93c28dd746dcb93e0461ab95c">_dbus_string_set_length</a> (&amp;homedir, 0);
<a name="l03198"></a>03198         <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&amp;homedir, override))
<a name="l03199"></a>03199           <span class="keywordflow">goto</span> failed;
<a name="l03200"></a>03200 
<a name="l03201"></a>03201         _dbus_verbose (<span class="stringliteral">"Using fake homedir for testing: %s\n"</span>,
<a name="l03202"></a>03202                        _dbus_string_get_const_data (&amp;homedir));
<a name="l03203"></a>03203       }
<a name="l03204"></a>03204     <span class="keywordflow">else</span>
<a name="l03205"></a>03205       {
<a name="l03206"></a>03206         <span class="keyword">static</span> <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> already_warned = <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03207"></a>03207         <span class="keywordflow">if</span> (!already_warned)
<a name="l03208"></a>03208           {
<a name="l03209"></a>03209             <a class="code" href="group__DBusInternalsUtils.html#gbea2c16d6d3fe7c4eb5b9496fc877f84">_dbus_warn</a> (<span class="stringliteral">"Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n"</span>);
<a name="l03210"></a>03210             already_warned = <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l03211"></a>03211           }
<a name="l03212"></a>03212       }
<a name="l03213"></a>03213   }
<a name="l03214"></a>03214 <span class="preprocessor">#endif</span>
<a name="l03215"></a>03215 <span class="preprocessor"></span>
<a name="l03216"></a>03216   <a class="code" href="group__DBusString.html#g374640ddfa2f0b27a8356e2379ba8043">_dbus_string_init_const</a> (&amp;dotdir, <span class="stringliteral">".dbus-keyrings"</span>);
<a name="l03217"></a>03217   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdeps.html#ge3a3fdc0c6001e367584bb016aca495d">_dbus_concat_dir_and_file</a> (&amp;homedir,
<a name="l03218"></a>03218                                   &amp;dotdir))
<a name="l03219"></a>03219     <span class="keywordflow">goto</span> failed;
<a name="l03220"></a>03220   
<a name="l03221"></a>03221   <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g3c10f0d1bcaa3b450025b9c6a8b901d7">_dbus_string_copy</a> (&amp;homedir, 0,
<a name="l03222"></a>03222                           directory, _dbus_string_get_length (directory))) {
<a name="l03223"></a>03223     <span class="keywordflow">goto</span> failed;
<a name="l03224"></a>03224   }
<a name="l03225"></a>03225 
<a name="l03226"></a>03226   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;homedir);
<a name="l03227"></a>03227   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l03228"></a>03228   
<a name="l03229"></a>03229  failed: 
<a name="l03230"></a>03230   <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&amp;homedir);
<a name="l03231"></a>03231   <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l03232"></a>03232 }
<a name="l03233"></a>03233 
<a name="l03234"></a>03234 
<a name="l03241"></a>03241 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a>
<a name="l03242"></a><a class="code" href="group__DBusSysdeps.html#ga03e5d4d95ef46a70d25fe315e674e24">03242</a> <a class="code" href="group__DBusSysdeps.html#ga03e5d4d95ef46a70d25fe315e674e24">_dbus_get_is_errno_eagain_or_ewouldblock</a> (<span class="keywordtype">void</span>)
<a name="l03243"></a>03243 {
<a name="l03244"></a>03244   <span class="keywordflow">return</span> errno == EAGAIN || errno == EWOULDBLOCK;
<a name="l03245"></a>03245 }
<a name="l03246"></a>03246 
<a name="l03247"></a>03247 <span class="comment">/* tests in dbus-sysdeps-util.c */</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Dec 14 22:26:12 2009 for D-Bus by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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