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<h1>dbus-transport-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-transport-unix.c UNIX socket subclasses of DBusTransport</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003, 2004 Red Hat Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00010"></a>00010 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00011"></a>00011 <span class="comment"> * (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00016"></a>00016 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "dbus-connection-internal.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-transport-unix.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-transport-socket.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "dbus-transport-protected.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "dbus-watch.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dbus-sysdeps-unix.h"</span>
<a name="l00031"></a>00031
<a name="l00052"></a>00052 <a class="code" href="structDBusTransport.html">DBusTransport</a>*
<a name="l00053"></a><a class="code" href="group__DBusTransportUnix.html#gda3df30a229b4d29ccf30af83bd88fcc">00053</a> <a class="code" href="group__DBusTransportUnix.html#gda3df30a229b4d29ccf30af83bd88fcc">_dbus_transport_new_for_domain_socket</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> *path,
<a name="l00054"></a>00054 <a class="code" href="group__DBusTypes.html#g39c9cb0f3a2a8ad6f55cc4855d035349">dbus_bool_t</a> <span class="keyword">abstract</span>,
<a name="l00055"></a>00055 <a class="code" href="structDBusError.html">DBusError</a> *error)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keywordtype">int</span> fd;
<a name="l00058"></a>00058 <a class="code" href="structDBusTransport.html">DBusTransport</a> *transport;
<a name="l00059"></a>00059 <a class="code" href="structDBusString.html">DBusString</a> address;
<a name="l00060"></a>00060
<a name="l00061"></a>00061 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusString.html#g348252317f7bb8ac43529972945830ae">_dbus_string_init</a> (&address))
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <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="l00066"></a>00066 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 fd = -1;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordflow">if</span> ((<span class="keyword">abstract</span> &&
<a name="l00072"></a>00072 !<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&address, <span class="stringliteral">"unix:abstract="</span>)) ||
<a name="l00073"></a>00073 (!<span class="keyword">abstract</span> &&
<a name="l00074"></a>00074 !<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&address, <span class="stringliteral">"unix:path="</span>)) ||
<a name="l00075"></a>00075 !<a class="code" href="group__DBusString.html#g100c5ce0696822c5a4cfbdfaba674d96">_dbus_string_append</a> (&address, path))
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <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="l00078"></a>00078 <span class="keywordflow">goto</span> failed_0;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 fd = <a class="code" href="group__DBusSysdepsUnix.html#g0228009923a105d50a0849b24acbc31e">_dbus_connect_unix_socket</a> (path, <span class="keyword">abstract</span>, error);
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (fd < 0)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00085"></a>00085 <span class="keywordflow">goto</span> failed_0;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <a class="code" href="group__DBusSysdeps.html#g000b1d83b0188e2db82d766b6665bb83">_dbus_fd_set_close_on_exec</a> (fd);
<a name="l00089"></a>00089
<a name="l00090"></a>00090 _dbus_verbose (<span class="stringliteral">"Successfully connected to unix socket %s\n"</span>,
<a name="l00091"></a>00091 path);
<a name="l00092"></a>00092
<a name="l00093"></a>00093 transport = <a class="code" href="group__DBusTransportSocket.html#gc714eaa33ff4ab5c01be1304b23339a7">_dbus_transport_new_for_socket</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, &address);
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (transport == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <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="l00097"></a>00097 <span class="keywordflow">goto</span> failed_1;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&address);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordflow">return</span> transport;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 failed_1:
<a name="l00105"></a>00105 <a class="code" href="group__DBusSysdeps.html#g701f9b3087c196404f66ff95b4ace0b8">_dbus_close_socket</a> (fd, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00106"></a>00106 failed_0:
<a name="l00107"></a>00107 <a class="code" href="group__DBusString.html#g781ca91acda49a834dce7d0ed0eef212">_dbus_string_free</a> (&address);
<a name="l00108"></a>00108 <span class="keywordflow">return</span> <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00119"></a>00119 DBusTransportOpenResult
<a name="l00120"></a><a class="code" href="group__DBusTransportUnix.html#gfd694944860033155276df9162bdf72e">00120</a> <a class="code" href="group__DBusTransportUnix.html#gfd694944860033155276df9162bdf72e">_dbus_transport_open_platform_specific</a> (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry,
<a name="l00121"></a>00121 <a class="code" href="structDBusTransport.html">DBusTransport</a> **transport_p,
<a name="l00122"></a>00122 <a class="code" href="structDBusError.html">DBusError</a> *error)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="keyword">const</span> <span class="keywordtype">char</span> *method;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 method = <a class="code" href="group__DBusAddress.html#g0905615382af3a8525b8a884d31b3f1c">dbus_address_entry_get_method</a> (entry);
<a name="l00127"></a>00127 <a class="code" href="group__DBusInternalsUtils.html#g129c6c03f011cdc171934d5d386cc797">_dbus_assert</a> (method != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (strcmp (method, <span class="stringliteral">"unix"</span>) == 0)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <span class="keyword">const</span> <span class="keywordtype">char</span> *path = <a class="code" href="group__DBusAddress.html#g531aca53af647b833c54b6ab345bc549">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"path"</span>);
<a name="l00132"></a>00132 <span class="keyword">const</span> <span class="keywordtype">char</span> *tmpdir = <a class="code" href="group__DBusAddress.html#g531aca53af647b833c54b6ab345bc549">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"tmpdir"</span>);
<a name="l00133"></a>00133 <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">abstract</span> = <a class="code" href="group__DBusAddress.html#g531aca53af647b833c54b6ab345bc549">dbus_address_entry_get_value</a> (entry, <span class="stringliteral">"abstract"</span>);
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">if</span> (tmpdir != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 <a class="code" href="group__DBusAddressInternals.html#g5b6409826263c7d62570c56889f7ddb2">_dbus_set_bad_address</a> (error, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>,
<a name="l00138"></a>00138 <span class="stringliteral">"cannot use the \"tmpdir\" option for an address to connect to, only in an address to listen on"</span>);
<a name="l00139"></a>00139 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (path == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && <span class="keyword">abstract</span> == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <a class="code" href="group__DBusAddressInternals.html#g5b6409826263c7d62570c56889f7ddb2">_dbus_set_bad_address</a> (error, <span class="stringliteral">"unix"</span>,
<a name="l00145"></a>00145 <span class="stringliteral">"path or abstract"</span>,
<a name="l00146"></a>00146 <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00147"></a>00147 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (path != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && <span class="keyword">abstract</span> != <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 <a class="code" href="group__DBusAddressInternals.html#g5b6409826263c7d62570c56889f7ddb2">_dbus_set_bad_address</a> (error, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>,
<a name="l00153"></a>00153 <span class="stringliteral">"can't specify both \"path\" and \"abstract\" options in an address"</span>);
<a name="l00154"></a>00154 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (path)
<a name="l00158"></a>00158 *transport_p = <a class="code" href="group__DBusTransportUnix.html#gda3df30a229b4d29ccf30af83bd88fcc">_dbus_transport_new_for_domain_socket</a> (path, <a class="code" href="group__DBusMacros.html#ga93f0eb578d23995850d61f7d61c55c1">FALSE</a>,
<a name="l00159"></a>00159 error);
<a name="l00160"></a>00160 <span class="keywordflow">else</span>
<a name="l00161"></a>00161 *transport_p = <a class="code" href="group__DBusTransportUnix.html#gda3df30a229b4d29ccf30af83bd88fcc">_dbus_transport_new_for_domain_socket</a> (<span class="keyword">abstract</span>, <a class="code" href="group__DBusMacros.html#ga8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>,
<a name="l00162"></a>00162 error);
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (*transport_p == <a class="code" href="group__DBusMacros.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 _DBUS_ASSERT_ERROR_IS_SET (error);
<a name="l00166"></a>00166 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="keywordflow">else</span>
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00171"></a>00171 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_OK;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 <span class="keywordflow">else</span>
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
<a name="l00177"></a>00177 <span class="keywordflow">return</span> DBUS_TRANSPORT_OPEN_NOT_HANDLED;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Dec 14 22:26:13 2009 for D-Bus by
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