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<h1>pppob.cc</h1><a href="pppob_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">///</span>
<a name="l00002"></a>00002 <span class="comment"></span><span class="comment">/// \file pppob.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// In the same vein as pppoe, used with pppd to create a</span>
<a name="l00004"></a>00004 <span class="comment"></span><span class="comment">/// pty tunnel and GPRS modem link.</span>
<a name="l00005"></a>00005 <span class="comment"></span><span class="comment">///</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment">/*</span>
<a name="l00008"></a>00008 <span class="comment"> Copyright (C) 2007-2010, Net Direct Inc. (http://www.netdirect.ca/)</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00011"></a>00011 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00012"></a>00012 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00013"></a>00013 <span class="comment"> (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00020"></a>00020 <span class="comment"> root directory of this project for more details.</span>
<a name="l00021"></a>00021 <span class="comment">*/</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <barry/barry.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <iomanip></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <iostream></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <fstream></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <vector></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <string></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <memory></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <getopt.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <sys/select.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <sys/time.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <unistd.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <signal.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="i18n_8h.html" title="Common internationalization defines, via gettext.">i18n.h</a>"</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">using namespace </span>std;
<a name="l00040"></a>00040 <span class="keyword">using namespace </span>Barry;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keywordtype">bool</span> data_dump = <span class="keyword">false</span>;
<a name="l00043"></a>00043 <span class="keyword">volatile</span> <span class="keywordtype">bool</span> signal_end = <span class="keyword">false</span>;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keywordtype">void</span> Usage()
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="keywordtype">int</span> major, minor;
<a name="l00048"></a>00048 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="namespaceBarry.html#a06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Version</a> = <a class="code" href="namespaceBarry.html#a06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Barry::Version</a>(major, minor);
<a name="l00049"></a>00049
<a name="l00050"></a>00050 cerr
<a name="l00051"></a>00051 << <span class="stringliteral">"pppob - PPP over Barry\n"</span>
<a name="l00052"></a>00052 << <span class="stringliteral">" Copyright 2007-2010, Net Direct Inc. (http://www.netdirect.ca/)\n"</span>
<a name="l00053"></a>00053 << <span class="stringliteral">" Using: "</span> << Version << <span class="stringliteral">"\n"</span>
<a name="l00054"></a>00054 << <span class="stringliteral">"\n"</span>
<a name="l00055"></a>00055 << <span class="stringliteral">" -l file Direct pppob log output to file (useful with -v)\n"</span>
<a name="l00056"></a>00056 << <span class="stringliteral">" -p pin PIN of device to talk with\n"</span>
<a name="l00057"></a>00057 << <span class="stringliteral">" If only one device plugged in, this flag is optional\n"</span>
<a name="l00058"></a>00058 << <span class="stringliteral">" -P pass Simplistic method to specify device password\n"</span>
<a name="l00059"></a>00059 << <span class="stringliteral">" -s Use Serial mode instead of IpModem\n"</span>
<a name="l00060"></a>00060 << <span class="stringliteral">" -v Dump protocol data during operation (debugging only!)\n"</span>
<a name="l00061"></a>00061 << endl;
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">void</span> signal_handler(<span class="keywordtype">int</span> signum)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 signal_end = <span class="keyword">true</span>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> SerialDataCallback(<span class="keywordtype">void</span> *context, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> len)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">if</span>( len && data_dump )
<a name="l00072"></a>00072 barryverbose(<span class="stringliteral">"ReadThread:\n"</span> << <a class="code" href="classBarry_1_1Data.html">Data</a>(data, len));
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">while</span>( len ) {
<a name="l00075"></a>00075 <span class="keywordtype">int</span> written = write(1, data, len);
<a name="l00076"></a>00076 <span class="keywordflow">if</span>( written > 0 ) {
<a name="l00077"></a>00077 len -= written;
<a name="l00078"></a>00078 data += written;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="keywordflow">else</span> {
<a name="l00081"></a>00081 barryverbose(<span class="stringliteral">"Error in write()"</span>);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">void</span> ProcessStdin(<a class="code" href="classBarry_1_1Modem.html">Modem</a> &modem)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="comment">// Read from stdin and write to USB, until</span>
<a name="l00089"></a>00089 <span class="comment">// stdin is closed</span>
<a name="l00090"></a>00090 <a class="code" href="classBarry_1_1Data.html">Data</a> data;
<a name="l00091"></a>00091 <span class="keywordtype">int</span> bytes_read;
<a name="l00092"></a>00092 fd_set rfds;
<a name="l00093"></a>00093 <span class="keyword">struct </span>timeval tv;
<a name="l00094"></a>00094 <span class="keywordtype">int</span> ret;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">// Handle interrupt signals from pppd</span>
<a name="l00097"></a>00097 signal_end = <span class="keyword">false</span>;
<a name="l00098"></a>00098 signal(SIGINT, &signal_handler);
<a name="l00099"></a>00099 signal(SIGHUP, &signal_handler);
<a name="l00100"></a>00100 signal(SIGTERM, &signal_handler);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 FD_ZERO(&rfds);
<a name="l00103"></a>00103 <span class="keywordflow">while</span>( signal_end == <span class="keyword">false</span> ) {
<a name="l00104"></a>00104 <span class="comment">// Need to use select() here, so that pppd doesn't</span>
<a name="l00105"></a>00105 <span class="comment">// hang when it tries to set the line discipline</span>
<a name="l00106"></a>00106 <span class="comment">// on our stdin.</span>
<a name="l00107"></a>00107
<a name="l00108"></a>00108 FD_SET(0, &rfds);
<a name="l00109"></a>00109 tv.tv_sec = 30;
<a name="l00110"></a>00110 tv.tv_usec = 0;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 ret = select(1, &rfds, NULL, NULL, &tv);
<a name="l00113"></a>00113 <span class="keywordflow">if</span>( ret == -1 ) {
<a name="l00114"></a>00114 perror(<span class="stringliteral">"select()"</span>);
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( ret && FD_ISSET(0, &rfds) ) {
<a name="l00117"></a>00117 bytes_read = read(0, data.GetBuffer(), data.GetBufSize());
<a name="l00118"></a>00118 <span class="keywordflow">if</span>( bytes_read == 0 )
<a name="l00119"></a>00119 <span class="keywordflow">break</span>;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">if</span>( bytes_read > 0 ) {
<a name="l00122"></a>00122 data.ReleaseBuffer(bytes_read);
<a name="l00123"></a>00123 modem.Write(data);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 INIT_I18N(PACKAGE);
<a name="l00132"></a>00132
<a name="l00133"></a>00133 cout.sync_with_stdio(<span class="keyword">true</span>); <span class="comment">// leave this on, since libusb uses</span>
<a name="l00134"></a>00134 <span class="comment">// stdio for debug messages</span>
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">try</span> {
<a name="l00137"></a>00137
<a name="l00138"></a>00138 uint32_t pin = 0;
<a name="l00139"></a>00139 <span class="keywordtype">bool</span> force_serial = <span class="keyword">false</span>;
<a name="l00140"></a>00140 std::string logfile;
<a name="l00141"></a>00141 std::string password;
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// process command line options</span>
<a name="l00144"></a>00144 <span class="keywordflow">for</span>(;;) {
<a name="l00145"></a>00145 <span class="keywordtype">int</span> cmd = getopt(argc, argv, <span class="stringliteral">"l:p:P:sv"</span>);
<a name="l00146"></a>00146 <span class="keywordflow">if</span>( cmd == -1 )
<a name="l00147"></a>00147 <span class="keywordflow">break</span>;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">switch</span>( cmd )
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="keywordflow">case</span> <span class="charliteral">'l'</span>: <span class="comment">// Verbose log file</span>
<a name="l00152"></a>00152 logfile = optarg;
<a name="l00153"></a>00153 <span class="keywordflow">break</span>;
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">case</span> <span class="charliteral">'p'</span>: <span class="comment">// Blackberry PIN</span>
<a name="l00156"></a>00156 pin = strtoul(optarg, NULL, 16);
<a name="l00157"></a>00157 <span class="keywordflow">break</span>;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">case</span> <span class="charliteral">'P'</span>: <span class="comment">// Device password</span>
<a name="l00160"></a>00160 password = optarg;
<a name="l00161"></a>00161 <span class="keywordflow">break</span>;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: <span class="comment">// Use Serial mode</span>
<a name="l00164"></a>00164 force_serial = <span class="keyword">true</span>;
<a name="l00165"></a>00165 <span class="keywordflow">break</span>;
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordflow">case</span> <span class="charliteral">'v'</span>: <span class="comment">// data dump on</span>
<a name="l00168"></a>00168 data_dump = <span class="keyword">true</span>;
<a name="l00169"></a>00169 <span class="keywordflow">break</span>;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>: <span class="comment">// help</span>
<a name="l00172"></a>00172 <span class="keywordflow">default</span>:
<a name="l00173"></a>00173 Usage();
<a name="l00174"></a>00174 <span class="keywordflow">return</span> 0;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="comment">// Initialize the barry library. Must be called before</span>
<a name="l00179"></a>00179 <span class="comment">// anything else.</span>
<a name="l00180"></a>00180 <span class="comment">// Log to stderr, since stdout is for data in this program.</span>
<a name="l00181"></a>00181 std::auto_ptr<std::ofstream> log;
<a name="l00182"></a>00182 <span class="keywordflow">if</span>( logfile.size() ) {
<a name="l00183"></a>00183 log.reset( <span class="keyword">new</span> std::ofstream(logfile.c_str(), ios::app) );
<a name="l00184"></a>00184 <a class="code" href="namespaceBarry.html#a2e28bd59aebe0bece5a46f02ef7dbd3d" title="Barry library initializer.">Barry::Init</a>(data_dump, log.get());
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="keywordflow">else</span> {
<a name="l00187"></a>00187 <a class="code" href="namespaceBarry.html#a2e28bd59aebe0bece5a46f02ef7dbd3d" title="Barry library initializer.">Barry::Init</a>(data_dump, &std::cerr);
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">// Display version if in data_dump mode</span>
<a name="l00191"></a>00191 <span class="keywordflow">if</span>( data_dump ) {
<a name="l00192"></a>00192 <span class="keywordtype">int</span> major, minor;
<a name="l00193"></a>00193 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="namespaceBarry.html#a06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Version</a> = <a class="code" href="namespaceBarry.html#a06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Barry::Version</a>(major, minor);
<a name="l00194"></a>00194 barryverbose(Version);
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// Probe the USB bus for Blackberry devices and display.</span>
<a name="l00198"></a>00198 <span class="comment">// If user has specified a PIN, search for it in the</span>
<a name="l00199"></a>00199 <span class="comment">// available device list here as well</span>
<a name="l00200"></a>00200 <a class="code" href="classBarry_1_1Probe.html">Barry::Probe</a> probe;
<a name="l00201"></a>00201 <span class="keywordtype">int</span> activeDevice = probe.FindActive(pin);
<a name="l00202"></a>00202 <span class="keywordflow">if</span>( activeDevice == -1 ) {
<a name="l00203"></a>00203 <span class="keywordflow">if</span>( pin )
<a name="l00204"></a>00204 cerr << <span class="stringliteral">"PIN "</span> << setbase(16) << pin
<a name="l00205"></a>00205 << <span class="stringliteral">" not found"</span> << endl;
<a name="l00206"></a>00206 cerr << <span class="stringliteral">"No device selected"</span> << endl;
<a name="l00207"></a>00207 <span class="keywordflow">return</span> 1;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">const</span> <a class="code" href="structBarry_1_1ProbeResult.html">ProbeResult</a> &device = probe.Get(activeDevice);
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordflow">if</span>( !force_serial && device.HasIpModem() ) {
<a name="l00213"></a>00213 barryverbose(<span class="stringliteral">"Using IpModem mode..."</span>);
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="comment">// Create our controller object using our threaded router.</span>
<a name="l00216"></a>00216 <a class="code" href="classBarry_1_1Controller.html" title="The main interface class.">Controller</a> con(probe.Get(activeDevice));
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="comment">// Open serial mode... the callback handles reading from</span>
<a name="l00219"></a>00219 <span class="comment">// USB and writing to stdout</span>
<a name="l00220"></a>00220 <a class="code" href="classBarry_1_1Mode_1_1IpModem.html">Mode::IpModem</a> modem(con, SerialDataCallback, 0);
<a name="l00221"></a>00221 modem.Open(password.c_str());
<a name="l00222"></a>00222
<a name="l00223"></a>00223 ProcessStdin(modem);
<a name="l00224"></a>00224 modem.Close(); <span class="comment">// graceful close so we can restart without unplugging</span>
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">else</span> {
<a name="l00227"></a>00227 <span class="keywordflow">if</span>( force_serial ) {
<a name="l00228"></a>00228 barryverbose(<span class="stringliteral">"Using Serial mode per command line..."</span>);
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230 <span class="keywordflow">else</span> {
<a name="l00231"></a>00231 barryverbose(<span class="stringliteral">"No IpModem mode available, using Serial mode..."</span>);
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="comment">// Create our socket router and start thread to handle</span>
<a name="l00235"></a>00235 <span class="comment">// the USB reading, instead of creating our own thread.</span>
<a name="l00236"></a>00236 <a class="code" href="classBarry_1_1SocketRoutingQueue.html">SocketRoutingQueue</a> router;
<a name="l00237"></a>00237 router.SpinoffSimpleReadThread();
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">// Create our controller object using our threaded router.</span>
<a name="l00240"></a>00240 <a class="code" href="classBarry_1_1Controller.html" title="The main interface class.">Controller</a> con(probe.Get(activeDevice), router);
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="comment">// Open desktop mode... this handles the password side</span>
<a name="l00243"></a>00243 <span class="comment">// of things</span>
<a name="l00244"></a>00244 <a class="code" href="classBarry_1_1Mode_1_1Desktop.html" title="The main interface class to the device databases.">Mode::Desktop</a> desktop(con);
<a name="l00245"></a>00245 desktop.Open(password.c_str());
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment">// Open serial connection</span>
<a name="l00248"></a>00248 <a class="code" href="classBarry_1_1Mode_1_1Serial.html">Mode::Serial</a> modem(con, SerialDataCallback, 0);
<a name="l00249"></a>00249 modem.Open(password.c_str());
<a name="l00250"></a>00250
<a name="l00251"></a>00251 ProcessStdin(modem);
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 barryverbose(<span class="stringliteral">"Exiting"</span>);
<a name="l00255"></a>00255
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 <span class="keywordflow">catch</span>( std::exception &e ) {
<a name="l00258"></a>00258 cerr << <span class="stringliteral">"exception caught in main(): "</span> << e.what() << endl;
<a name="l00259"></a>00259 <span class="keywordflow">return</span> 1;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="keywordflow">return</span> 0;
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264
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