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<div class="title">hotplug_libudev.c</div> </div>
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<a href="hotplug__libudev_8c.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"> * MUSCLE SmartCard Development ( http://www.linuxnet.com )</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2011</span>
<a name="l00005"></a>00005 <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * $Id: hotplug_libudev.c 5683 2011-03-31 19:01:51Z rousseau $</span>
<a name="l00008"></a>00008 <span class="comment"> */</span>
<a name="l00009"></a>00009
<a name="l00015"></a>00015 <span class="preprocessor">#include "config.h"</span>
<a name="l00016"></a>00016 <span class="preprocessor">#if defined(HAVE_LIBUDEV) && defined(USE_USB)</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <string.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <stdio.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <dirent.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <pthread.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <libudev.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="debuglog_8h.html" title="This handles debugging.">debuglog.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="parser_8h.html" title="Reads lexical config files and updates database.">parser.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="readerfactory_8h.html" title="This keeps track of a list of currently available reader structures.">readerfactory.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="sys__generic_8h.html" title="This handles abstract system level calls.">sys_generic.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="hotplug_8h.html" title="This provides a search API for hot pluggble devices.">hotplug.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "utils.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="strlcpycat_8h.html" title="prototypes of strlcpy()/strlcat() imported from OpenBSD">strlcpycat.h</a>"</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#undef DEBUG_HOTPLUG</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define ADD_SERIAL_NUMBER</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define ADD_INTERFACE_NAME</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#define FALSE 0</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define TRUE 1</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 pthread_mutex_t usbNotifierMutex;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">static</span> pthread_t usbNotifyThread;
<a name="l00043"></a>00043 <span class="keyword">static</span> <span class="keywordtype">int</span> driverSize = -1;
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">char</span> AraKiriHotPlug = FALSE;
<a name="l00045"></a>00045
<a name="l00049"></a>00049 <span class="keyword">static</span> <span class="keyword">struct </span>_driverTracker
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> manuID;
<a name="l00052"></a>00052 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> productID;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">char</span> *bundleName;
<a name="l00055"></a>00055 <span class="keywordtype">char</span> *libraryPath;
<a name="l00056"></a>00056 <span class="keywordtype">char</span> *readerName;
<a name="l00057"></a>00057 <span class="keywordtype">char</span> *CFBundleName;
<a name="l00058"></a>00058 } *driverTracker = NULL;
<a name="l00059"></a>00059 <span class="preprocessor">#define DRIVER_TRACKER_SIZE_STEP 10</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="comment">/* The CCID driver already supports 176 readers.</span>
<a name="l00062"></a>00062 <span class="comment"> * We start with a big array size to avoid reallocation. */</span>
<a name="l00063"></a>00063 <span class="preprocessor">#define DRIVER_TRACKER_INITIAL_SIZE 200</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
<a name="l00065"></a>00065 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00066"></a>00066 READER_ABSENT,
<a name="l00067"></a>00067 READER_PRESENT,
<a name="l00068"></a>00068 READER_FAILED
<a name="l00069"></a>00069 } readerState_t;
<a name="l00070"></a>00070
<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">struct </span>_readerTracker
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 readerState_t status;
<a name="l00077"></a>00077 <span class="keywordtype">char</span> bInterfaceNumber;
<a name="l00078"></a>00078 <span class="keywordtype">char</span> *devpath;
<a name="l00079"></a>00079 <span class="keywordtype">char</span> *fullName;
<a name="l00080"></a>00080 } readerTracker[<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>];
<a name="l00081"></a>00081
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">static</span> LONG HPReadBundleValues(<span class="keywordtype">void</span>)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 LONG rv;
<a name="l00086"></a>00086 DIR *hpDir;
<a name="l00087"></a>00087 <span class="keyword">struct </span>dirent *currFP = NULL;
<a name="l00088"></a>00088 <span class="keywordtype">char</span> fullPath[FILENAME_MAX];
<a name="l00089"></a>00089 <span class="keywordtype">char</span> fullLibPath[FILENAME_MAX];
<a name="l00090"></a>00090 <span class="keywordtype">int</span> listCount = 0;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 hpDir = opendir(PCSCLITE_HP_DROPDIR);
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (NULL == hpDir)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"Cannot open PC/SC drivers directory: "</span> PCSCLITE_HP_DROPDIR);
<a name="l00097"></a>00097 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"Disabling USB support for pcscd."</span>);
<a name="l00098"></a>00098 <span class="keywordflow">return</span> -1;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">/* allocate a first array */</span>
<a name="l00102"></a>00102 driverSize = DRIVER_TRACKER_INITIAL_SIZE;
<a name="l00103"></a>00103 driverTracker = calloc(driverSize, <span class="keyword">sizeof</span>(*driverTracker));
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (NULL == driverTracker)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Not enough memory"</span>);
<a name="l00107"></a>00107 <span class="keywordflow">return</span> -1;
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="preprocessor">#define GET_KEY(key, values) \</span>
<a name="l00111"></a>00111 <span class="preprocessor"> rv = LTPBundleFindValueWithKey(&plist, key, values); \</span>
<a name="l00112"></a>00112 <span class="preprocessor"> if (rv) \</span>
<a name="l00113"></a>00113 <span class="preprocessor"> { \</span>
<a name="l00114"></a>00114 <span class="preprocessor"> Log2(PCSC_LOG_ERROR, "Value/Key not defined for " key " in %s", \</span>
<a name="l00115"></a>00115 <span class="preprocessor"> fullPath); \</span>
<a name="l00116"></a>00116 <span class="preprocessor"> continue; \</span>
<a name="l00117"></a>00117 <span class="preprocessor"> }</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span>
<a name="l00119"></a>00119 <span class="keywordflow">while</span> ((currFP = readdir(hpDir)) != 0)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (strstr(currFP->d_name, <span class="stringliteral">".bundle"</span>) != 0)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> alias;
<a name="l00124"></a>00124 <a class="code" href="structlist__t.html" title="list object">list_t</a> plist, *values;
<a name="l00125"></a>00125 <a class="code" href="structlist__t.html" title="list object">list_t</a> *manuIDs, *productIDs, *readerNames;
<a name="l00126"></a>00126 <span class="keywordtype">char</span> *CFBundleName;
<a name="l00127"></a>00127 <span class="keywordtype">char</span> *libraryPath;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">/*</span>
<a name="l00130"></a>00130 <span class="comment"> * The bundle exists - let's form a full path name and get the</span>
<a name="l00131"></a>00131 <span class="comment"> * vendor and product ID's for this particular bundle</span>
<a name="l00132"></a>00132 <span class="comment"> */</span>
<a name="l00133"></a>00133 (void)snprintf(fullPath, <span class="keyword">sizeof</span>(fullPath), <span class="stringliteral">"%s/%s/Contents/Info.plist"</span>,
<a name="l00134"></a>00134 PCSCLITE_HP_DROPDIR, currFP->d_name);
<a name="l00135"></a>00135 fullPath[<span class="keyword">sizeof</span>(fullPath) - 1] = <span class="charliteral">'\0'</span>;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 rv = <a class="code" href="parser_8h.html#ae2987bb21ffb8d4e09b2e426c568f01a" title="Parse a Info.plist file and file a list.">bundleParse</a>(fullPath, &plist);
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (rv)
<a name="l00139"></a>00139 <span class="keywordflow">continue</span>;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">/* get CFBundleExecutable */</span>
<a name="l00142"></a>00142 GET_KEY(PCSCLITE_HP_LIBRKEY_NAME, &values)
<a name="l00143"></a>00143 libraryPath = list_get_at(values, 0);
<a name="l00144"></a>00144 (<span class="keywordtype">void</span>)snprintf(fullLibPath, sizeof(fullLibPath),
<a name="l00145"></a>00145 "%s/%s/Contents/%s/%s",
<a name="l00146"></a>00146 PCSCLITE_HP_DROPDIR, currFP->d_name, PCSC_ARCH,
<a name="l00147"></a>00147 libraryPath);
<a name="l00148"></a>00148 fullLibPath[sizeof(fullLibPath) - 1] = '\0';
<a name="l00149"></a>00149
<a name="l00150"></a>00150 GET_KEY(PCSCLITE_HP_MANUKEY_NAME, &manuIDs)
<a name="l00151"></a>00151 GET_KEY(PCSCLITE_HP_PRODKEY_NAME, &productIDs)
<a name="l00152"></a>00152 GET_KEY(PCSCLITE_HP_NAMEKEY_NAME, &readerNames)
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="comment">/* Get CFBundleName */</span>
<a name="l00155"></a>00155 rv = <a class="code" href="parser_8h.html#a74d2443eb1997231a17e3c4cf29aaf2e" title="Find an optional key in a configuration file No error is logged if the key is not found...">LTPBundleFindValueWithKey</a>(&plist, PCSCLITE_HP_CFBUNDLE_NAME,
<a name="l00156"></a>00156 &values);
<a name="l00157"></a>00157 if (rv)
<a name="l00158"></a>00158 CFBundleName = NULL;
<a name="l00159"></a>00159 else
<a name="l00160"></a>00160 CFBundleName = strdup(list_get_at(values, 0));
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="comment">/* while we find a nth ifdVendorID in Info.plist */</span>
<a name="l00163"></a>00163 for (alias=0; alias<list_size(manuIDs); alias++)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="keywordtype">char</span> *value;
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="comment">/* variables entries */</span>
<a name="l00168"></a>00168 value = list_get_at(manuIDs, alias);
<a name="l00169"></a>00169 driverTracker[listCount].manuID = strtol(value, NULL, 16);
<a name="l00170"></a>00170
<a name="l00171"></a>00171 value = list_get_at(productIDs, alias);
<a name="l00172"></a>00172 driverTracker[listCount].productID = strtol(value, NULL, 16);
<a name="l00173"></a>00173
<a name="l00174"></a>00174 driverTracker[listCount].readerName = strdup(list_get_at(readerNames, alias));
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="comment">/* constant entries for a same driver */</span>
<a name="l00177"></a>00177 driverTracker[listCount].bundleName = strdup(currFP->d_name);
<a name="l00178"></a>00178 driverTracker[listCount].libraryPath = strdup(fullLibPath);
<a name="l00179"></a>00179 driverTracker[listCount].CFBundleName = CFBundleName;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO, <span class="stringliteral">"Found driver for: %s"</span>,
<a name="l00183"></a>00183 driverTracker[listCount].readerName);
<a name="l00184"></a>00184 <span class="preprocessor">#endif</span>
<a name="l00185"></a>00185 <span class="preprocessor"></span> listCount++;
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (listCount >= driverSize)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 <span class="keywordtype">int</span> i;
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">/* increase the array size */</span>
<a name="l00191"></a>00191 driverSize += DRIVER_TRACKER_SIZE_STEP;
<a name="l00192"></a>00192 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO,
<a name="l00194"></a>00194 <span class="stringliteral">"Increase driverTracker to %d entries"</span>, driverSize);
<a name="l00195"></a>00195 <span class="preprocessor">#endif</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span> driverTracker = realloc(driverTracker,
<a name="l00197"></a>00197 driverSize * <span class="keyword">sizeof</span>(*driverTracker));
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (NULL == driverTracker)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Not enough memory"</span>);
<a name="l00201"></a>00201 driverSize = -1;
<a name="l00202"></a>00202 <span class="keywordflow">return</span> -1;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">/* clean the newly allocated entries */</span>
<a name="l00206"></a>00206 <span class="keywordflow">for</span> (i=driverSize-DRIVER_TRACKER_SIZE_STEP; i<driverSize; i++)
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 driverTracker[i].manuID = 0;
<a name="l00209"></a>00209 driverTracker[i].productID = 0;
<a name="l00210"></a>00210 driverTracker[i].bundleName = NULL;
<a name="l00211"></a>00211 driverTracker[i].libraryPath = NULL;
<a name="l00212"></a>00212 driverTracker[i].readerName = NULL;
<a name="l00213"></a>00213 driverTracker[i].CFBundleName = NULL;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 <a class="code" href="parser_8h.html#ab75f32a05000c6a12a6a53c8f37637bd" title="Free the list created by bundleParse()">bundleRelease</a>(&plist);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220
<a name="l00221"></a>00221 driverSize = listCount;
<a name="l00222"></a>00222 (void)closedir(hpDir);
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00225"></a>00225 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO, <span class="stringliteral">"Found drivers for %d readers"</span>, listCount);
<a name="l00226"></a>00226 <span class="preprocessor">#endif</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span>
<a name="l00228"></a>00228 <span class="keywordflow">return</span> 0;
<a name="l00229"></a>00229 } <span class="comment">/* HPReadBundleValues */</span>
<a name="l00230"></a>00230
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">/*@null@*/</span> <span class="keyword">static</span> <span class="keyword">struct </span>_driverTracker *get_driver(<span class="keyword">struct</span> udev_device *dev,
<a name="l00233"></a>00233 <span class="keyword">const</span> <span class="keywordtype">char</span> *devpath, <span class="keyword">struct</span> _driverTracker **classdriver)
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 <span class="keywordtype">int</span> i;
<a name="l00236"></a>00236 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> idVendor, idProduct;
<a name="l00237"></a>00237 <span class="keyword">static</span> <span class="keyword">struct </span>_driverTracker *driver;
<a name="l00238"></a>00238 <span class="keyword">const</span> <span class="keywordtype">char</span> *str;
<a name="l00239"></a>00239
<a name="l00240"></a>00240 str = udev_device_get_sysattr_value(dev, <span class="stringliteral">"idVendor"</span>);
<a name="l00241"></a>00241 <span class="keywordflow">if</span> (!str)
<a name="l00242"></a>00242 {
<a name="l00243"></a>00243 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_device_get_sysattr_value() failed"</span>);
<a name="l00244"></a>00244 <span class="keywordflow">return</span> NULL;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 sscanf(str, <span class="stringliteral">"%X"</span>, &idVendor);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 str = udev_device_get_sysattr_value(dev, <span class="stringliteral">"idProduct"</span>);
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (!str)
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_device_get_sysattr_value() failed"</span>);
<a name="l00252"></a>00252 <span class="keywordflow">return</span> NULL;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 sscanf(str, <span class="stringliteral">"%X"</span>, &idProduct);
<a name="l00255"></a>00255
<a name="l00256"></a>00256 Log4(PCSC_LOG_DEBUG,
<a name="l00257"></a>00257 <span class="stringliteral">"Looking for a driver for VID: 0x%04X, PID: 0x%04X, path: %s"</span>,
<a name="l00258"></a>00258 idVendor, idProduct, devpath);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 *classdriver = NULL;
<a name="l00261"></a>00261 driver = NULL;
<a name="l00262"></a>00262 <span class="comment">/* check if the device is supported by one driver */</span>
<a name="l00263"></a>00263 <span class="keywordflow">for</span> (i=0; i<driverSize; i++)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (driverTracker[i].libraryPath != NULL &&
<a name="l00266"></a>00266 idVendor == driverTracker[i].manuID &&
<a name="l00267"></a>00267 idProduct == driverTracker[i].productID)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <span class="keywordflow">if</span> ((driverTracker[i].CFBundleName != NULL)
<a name="l00270"></a>00270 && (0 == strcmp(driverTracker[i].CFBundleName, <span class="stringliteral">"CCIDCLASSDRIVER"</span>)))
<a name="l00271"></a>00271 *classdriver = &driverTracker[i];
<a name="l00272"></a>00272 <span class="keywordflow">else</span>
<a name="l00273"></a>00273 <span class="comment">/* it is not a CCID Class driver */</span>
<a name="l00274"></a>00274 driver = &driverTracker[i];
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">/* if we found a specific driver */</span>
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (driver)
<a name="l00280"></a>00280 <span class="keywordflow">return</span> driver;
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="comment">/* else return the Class driver (if any) */</span>
<a name="l00283"></a>00283 <span class="keywordflow">return</span> *classdriver;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="keyword">static</span> <span class="keywordtype">void</span> HPAddDevice(<span class="keyword">struct</span> udev_device *dev, <span class="keyword">struct</span> udev_device *parent,
<a name="l00288"></a>00288 <span class="keyword">const</span> <span class="keywordtype">char</span> *devpath)
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordtype">int</span> i;
<a name="l00291"></a>00291 <span class="keywordtype">char</span> deviceName[MAX_DEVICENAME];
<a name="l00292"></a>00292 <span class="keywordtype">char</span> fullname[MAX_READERNAME];
<a name="l00293"></a>00293 <span class="keyword">struct </span>_driverTracker *driver, *classdriver;
<a name="l00294"></a>00294 <span class="keyword">const</span> <span class="keywordtype">char</span> *sSerialNumber = NULL, *sInterfaceName = NULL;
<a name="l00295"></a>00295 LONG ret;
<a name="l00296"></a>00296 <span class="keywordtype">int</span> bInterfaceNumber;
<a name="l00297"></a>00297
<a name="l00298"></a>00298 driver = get_driver(parent, devpath, &classdriver);
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (NULL == driver)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="comment">/* not a smart card reader */</span>
<a name="l00302"></a>00302 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00303"></a>00303 <span class="preprocessor"></span> Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"%s is not a supported smart card reader"</span>,
<a name="l00304"></a>00304 devpath);
<a name="l00305"></a>00305 <span class="preprocessor">#endif</span>
<a name="l00306"></a>00306 <span class="preprocessor"></span> <span class="keywordflow">return</span>;
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308
<a name="l00309"></a>00309 Log2(PCSC_LOG_INFO, <span class="stringliteral">"Adding USB device: %s"</span>, driver->readerName);
<a name="l00310"></a>00310
<a name="l00311"></a>00311 bInterfaceNumber = atoi(udev_device_get_sysattr_value(dev,
<a name="l00312"></a>00312 <span class="stringliteral">"bInterfaceNumber"</span>));
<a name="l00313"></a>00313 (void)snprintf(deviceName, <span class="keyword">sizeof</span>(deviceName),
<a name="l00314"></a>00314 <span class="stringliteral">"usb:%04x/%04x:libudev:%d:%s"</span>, driver->manuID, driver->productID,
<a name="l00315"></a>00315 bInterfaceNumber, devpath);
<a name="l00316"></a>00316 deviceName[<span class="keyword">sizeof</span>(deviceName) -1] = <span class="charliteral">'\0'</span>;
<a name="l00317"></a>00317
<a name="l00318"></a>00318 (void)pthread_mutex_lock(&usbNotifierMutex);
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="comment">/* find a free entry */</span>
<a name="l00321"></a>00321 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (NULL == readerTracker[i].fullName)
<a name="l00324"></a>00324 <span class="keywordflow">break</span>;
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (PCSCLITE_MAX_READERS_CONTEXTS == i)
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329 Log2(PCSC_LOG_ERROR,
<a name="l00330"></a>00330 <span class="stringliteral">"Not enough reader entries. Already found %d readers"</span>, i);
<a name="l00331"></a>00331 (void)pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00332"></a>00332 <span class="keywordflow">return</span>;
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="preprocessor">#ifdef ADD_INTERFACE_NAME</span>
<a name="l00336"></a>00336 <span class="preprocessor"></span> sInterfaceName = udev_device_get_sysattr_value(dev, <span class="stringliteral">"interface"</span>);
<a name="l00337"></a>00337 <span class="preprocessor">#endif</span>
<a name="l00338"></a>00338 <span class="preprocessor"></span>
<a name="l00339"></a>00339 <span class="preprocessor">#ifdef ADD_SERIAL_NUMBER</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span> sSerialNumber = udev_device_get_sysattr_value(parent, <span class="stringliteral">"serial"</span>);
<a name="l00341"></a>00341 <span class="preprocessor">#endif</span>
<a name="l00342"></a>00342 <span class="preprocessor"></span>
<a name="l00343"></a>00343 <span class="comment">/* name from the Info.plist file */</span>
<a name="l00344"></a>00344 strlcpy(fullname, driver->readerName, <span class="keyword">sizeof</span>(fullname));
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">/* interface name from the device (if any) */</span>
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (sInterfaceName)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 strlcat(fullname, <span class="stringliteral">" ["</span>, <span class="keyword">sizeof</span>(fullname));
<a name="l00350"></a>00350 strlcat(fullname, sInterfaceName, <span class="keyword">sizeof</span>(fullname));
<a name="l00351"></a>00351 strlcat(fullname, <span class="stringliteral">"]"</span>, <span class="keyword">sizeof</span>(fullname));
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 <span class="comment">/* serial number from the device (if any) */</span>
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (sSerialNumber)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="comment">/* only add the serial number if it is not already present in the</span>
<a name="l00358"></a>00358 <span class="comment"> * interface name */</span>
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (!sInterfaceName || NULL == strstr(sInterfaceName, sSerialNumber))
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 strlcat(fullname, <span class="stringliteral">" ("</span>, <span class="keyword">sizeof</span>(fullname));
<a name="l00362"></a>00362 strlcat(fullname, sSerialNumber, <span class="keyword">sizeof</span>(fullname));
<a name="l00363"></a>00363 strlcat(fullname, <span class="stringliteral">")"</span>, <span class="keyword">sizeof</span>(fullname));
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 readerTracker[i].fullName = strdup(fullname);
<a name="l00368"></a>00368 readerTracker[i].devpath = strdup(devpath);
<a name="l00369"></a>00369 readerTracker[i].status = READER_PRESENT;
<a name="l00370"></a>00370 readerTracker[i].bInterfaceNumber = bInterfaceNumber;
<a name="l00371"></a>00371
<a name="l00372"></a>00372 ret = RFAddReader(fullname, PCSCLITE_HP_BASE_PORT + i,
<a name="l00373"></a>00373 driver->libraryPath, deviceName);
<a name="l00374"></a>00374 <span class="keywordflow">if</span> ((<a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a> != ret) && (<a class="code" href="pcsclite_8h.html#a1bc24e84bfe33ef68be7251e2423190a" title="The specified reader name is not recognized.">SCARD_E_UNKNOWN_READER</a> != ret))
<a name="l00375"></a>00375 {
<a name="l00376"></a>00376 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"Failed adding USB device: %s"</span>,
<a name="l00377"></a>00377 driver->readerName);
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordflow">if</span> (classdriver && driver != classdriver)
<a name="l00380"></a>00380 {
<a name="l00381"></a>00381 <span class="comment">/* the reader can also be used by the a class driver */</span>
<a name="l00382"></a>00382 ret = RFAddReader(fullname, PCSCLITE_HP_BASE_PORT + i,
<a name="l00383"></a>00383 classdriver->libraryPath, deviceName);
<a name="l00384"></a>00384 <span class="keywordflow">if</span> ((<a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75" title="error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx">SCARD_S_SUCCESS</a> != ret) && (<a class="code" href="pcsclite_8h.html#a1bc24e84bfe33ef68be7251e2423190a" title="The specified reader name is not recognized.">SCARD_E_UNKNOWN_READER</a> != ret))
<a name="l00385"></a>00385 {
<a name="l00386"></a>00386 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"Failed adding USB device: %s"</span>,
<a name="l00387"></a>00387 driver->readerName);
<a name="l00388"></a>00388
<a name="l00389"></a>00389 readerTracker[i].status = READER_FAILED;
<a name="l00390"></a>00390
<a name="l00391"></a>00391 (void)CheckForOpenCT();
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394 <span class="keywordflow">else</span>
<a name="l00395"></a>00395 {
<a name="l00396"></a>00396 readerTracker[i].status = READER_FAILED;
<a name="l00397"></a>00397
<a name="l00398"></a>00398 (void)CheckForOpenCT();
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400 }
<a name="l00401"></a>00401
<a name="l00402"></a>00402 (void)pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00403"></a>00403 } <span class="comment">/* HPAddDevice */</span>
<a name="l00404"></a>00404
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keyword">static</span> <span class="keywordtype">void</span> HPRescanUsbBus(<span class="keyword">struct</span> udev *udev)
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keywordtype">int</span> i, j;
<a name="l00409"></a>00409 <span class="keyword">struct </span>udev_enumerate *enumerate;
<a name="l00410"></a>00410 <span class="keyword">struct </span>udev_list_entry *devices, *dev_list_entry;
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="comment">/* all reader are marked absent */</span>
<a name="l00413"></a>00413 <span class="keywordflow">for</span> (i=0; i < <a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00414"></a>00414 readerTracker[i].status = READER_ABSENT;
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="comment">/* Create a list of the devices in the 'usb' subsystem. */</span>
<a name="l00417"></a>00417 enumerate = udev_enumerate_new(udev);
<a name="l00418"></a>00418 udev_enumerate_add_match_subsystem(enumerate, <span class="stringliteral">"usb"</span>);
<a name="l00419"></a>00419 udev_enumerate_scan_devices(enumerate);
<a name="l00420"></a>00420 devices = udev_enumerate_get_list_entry(enumerate);
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="comment">/* For each item enumerated */</span>
<a name="l00423"></a>00423 udev_list_entry_foreach(dev_list_entry, devices)
<a name="l00424"></a>00424 {
<a name="l00425"></a>00425 <span class="keyword">const</span> <span class="keywordtype">char</span> *devpath;
<a name="l00426"></a>00426 <span class="keyword">struct </span>udev_device *dev, *parent;
<a name="l00427"></a>00427 <span class="keyword">struct </span>_driverTracker *driver, *classdriver;
<a name="l00428"></a>00428 <span class="keywordtype">int</span> newreader;
<a name="l00429"></a>00429 <span class="keywordtype">int</span> bInterfaceNumber;
<a name="l00430"></a>00430 <span class="keyword">const</span> <span class="keywordtype">char</span> *interface;
<a name="l00431"></a>00431
<a name="l00432"></a>00432 <span class="comment">/* Get the filename of the /sys entry for the device</span>
<a name="l00433"></a>00433 <span class="comment"> and create a udev_device object (dev) representing it */</span>
<a name="l00434"></a>00434 devpath = udev_list_entry_get_name(dev_list_entry);
<a name="l00435"></a>00435 dev = udev_device_new_from_syspath(udev, devpath);
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="comment">/* The device pointed to by dev contains information about</span>
<a name="l00438"></a>00438 <span class="comment"> the interface. In order to get information about the USB</span>
<a name="l00439"></a>00439 <span class="comment"> device, get the parent device with the subsystem/devtype pair</span>
<a name="l00440"></a>00440 <span class="comment"> of "usb"/"usb_device". This will be several levels up the</span>
<a name="l00441"></a>00441 <span class="comment"> tree, but the function will find it.*/</span>
<a name="l00442"></a>00442 parent = udev_device_get_parent_with_subsystem_devtype(dev, <span class="stringliteral">"usb"</span>,
<a name="l00443"></a>00443 <span class="stringliteral">"usb_device"</span>);
<a name="l00444"></a>00444 <span class="keywordflow">if</span> (!parent)
<a name="l00445"></a>00445 <span class="keywordflow">continue</span>;
<a name="l00446"></a>00446
<a name="l00447"></a>00447 devpath = udev_device_get_devnode(parent);
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (!devpath)
<a name="l00449"></a>00449 {
<a name="l00450"></a>00450 <span class="comment">/* the device disapeared? */</span>
<a name="l00451"></a>00451 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_device_get_devnode() failed"</span>);
<a name="l00452"></a>00452 <span class="keywordflow">continue</span>;
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454
<a name="l00455"></a>00455 driver = get_driver(parent, devpath, &classdriver);
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (NULL == driver)
<a name="l00457"></a>00457 <span class="comment">/* no driver known for this device */</span>
<a name="l00458"></a>00458 <span class="keywordflow">continue</span>;
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00461"></a>00461 <span class="preprocessor"></span> Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Found matching USB device: %s"</span>, devpath);
<a name="l00462"></a>00462 <span class="preprocessor">#endif</span>
<a name="l00463"></a>00463 <span class="preprocessor"></span>
<a name="l00464"></a>00464 newreader = TRUE;
<a name="l00465"></a>00465 bInterfaceNumber = 0;
<a name="l00466"></a>00466 interface = udev_device_get_sysattr_value(dev, <span class="stringliteral">"bInterfaceNumber"</span>);
<a name="l00467"></a>00467 <span class="keywordflow">if</span> (interface)
<a name="l00468"></a>00468 bInterfaceNumber = atoi(interface);
<a name="l00469"></a>00469
<a name="l00470"></a>00470 <span class="comment">/* Check if the reader is a new one */</span>
<a name="l00471"></a>00471 <span class="keywordflow">for</span> (j=0; j<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; j++)
<a name="l00472"></a>00472 {
<a name="l00473"></a>00473 <span class="keywordflow">if</span> (readerTracker[j].devpath
<a name="l00474"></a>00474 && (strcmp(readerTracker[j].devpath, devpath) == 0)
<a name="l00475"></a>00475 && (bInterfaceNumber == readerTracker[j].bInterfaceNumber))
<a name="l00476"></a>00476 {
<a name="l00477"></a>00477 <span class="comment">/* The reader is already known */</span>
<a name="l00478"></a>00478 readerTracker[j].status = READER_PRESENT;
<a name="l00479"></a>00479 newreader = FALSE;
<a name="l00480"></a>00480 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00481"></a>00481 <span class="preprocessor"></span> Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Refresh USB device: %s"</span>, devpath);
<a name="l00482"></a>00482 <span class="preprocessor">#endif</span>
<a name="l00483"></a>00483 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486
<a name="l00487"></a>00487 <span class="comment">/* New reader found */</span>
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (newreader)
<a name="l00489"></a>00489 HPAddDevice(dev, parent, devpath);
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="comment">/* free device */</span>
<a name="l00492"></a>00492 udev_device_unref(dev);
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="comment">/* Free the enumerator object */</span>
<a name="l00496"></a>00496 udev_enumerate_unref(enumerate);
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="comment">/* check if all the previously found readers are still present */</span>
<a name="l00499"></a>00499 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 <span class="keywordflow">if</span> ((READER_ABSENT == readerTracker[i].status)
<a name="l00502"></a>00502 && (readerTracker[i].fullName != NULL))
<a name="l00503"></a>00503 {
<a name="l00504"></a>00504 pthread_mutex_lock(&usbNotifierMutex);
<a name="l00505"></a>00505
<a name="l00506"></a>00506 Log3(PCSC_LOG_INFO, <span class="stringliteral">"Removing USB device[%d]: %s"</span>, i,
<a name="l00507"></a>00507 readerTracker[i].devpath);
<a name="l00508"></a>00508
<a name="l00509"></a>00509 RFRemoveReader(readerTracker[i].fullName,
<a name="l00510"></a>00510 PCSCLITE_HP_BASE_PORT + i);
<a name="l00511"></a>00511
<a name="l00512"></a>00512 readerTracker[i].status = READER_ABSENT;
<a name="l00513"></a>00513 free(readerTracker[i].devpath);
<a name="l00514"></a>00514 readerTracker[i].devpath = NULL;
<a name="l00515"></a>00515 free(readerTracker[i].fullName);
<a name="l00516"></a>00516 readerTracker[i].fullName = NULL;
<a name="l00517"></a>00517
<a name="l00518"></a>00518 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keyword">static</span> <span class="keywordtype">void</span> HPEstablishUSBNotifications(<span class="keyword">struct</span> udev *udev)
<a name="l00524"></a>00524 {
<a name="l00525"></a>00525 <span class="keyword">struct </span>udev_monitor *udev_monitor;
<a name="l00526"></a>00526 <span class="keywordtype">int</span> r, i;
<a name="l00527"></a>00527
<a name="l00528"></a>00528 udev_monitor = udev_monitor_new_from_netlink(udev, <span class="stringliteral">"udev"</span>);
<a name="l00529"></a>00529
<a name="l00530"></a>00530 <span class="comment">/* filter only the interfaces */</span>
<a name="l00531"></a>00531 r = udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, <span class="stringliteral">"usb"</span>,
<a name="l00532"></a>00532 <span class="stringliteral">"usb_interface"</span>);
<a name="l00533"></a>00533 <span class="keywordflow">if</span> (r)
<a name="l00534"></a>00534 {
<a name="l00535"></a>00535 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"udev_monitor_filter_add_match_subsystem_devtype() error: %d\n"</span>, r);
<a name="l00536"></a>00536 <span class="keywordflow">return</span>;
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538
<a name="l00539"></a>00539 r = udev_monitor_enable_receiving(udev_monitor);
<a name="l00540"></a>00540 <span class="keywordflow">if</span> (r)
<a name="l00541"></a>00541 {
<a name="l00542"></a>00542 Log2(PCSC_LOG_ERROR, <span class="stringliteral">"udev_monitor_enable_receiving() error: %d\n"</span>, r);
<a name="l00543"></a>00543 <span class="keywordflow">return</span>;
<a name="l00544"></a>00544 }
<a name="l00545"></a>00545
<a name="l00546"></a>00546 <span class="keywordflow">while</span> (!AraKiriHotPlug)
<a name="l00547"></a>00547 {
<a name="l00548"></a>00548 <span class="keyword">struct </span>udev_device *dev, *parent;
<a name="l00549"></a>00549 <span class="keyword">const</span> <span class="keywordtype">char</span> *action, *devpath;
<a name="l00550"></a>00550
<a name="l00551"></a>00551 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00552"></a>00552 <span class="preprocessor"></span> Log0(PCSC_LOG_INFO);
<a name="l00553"></a>00553 <span class="preprocessor">#endif</span>
<a name="l00554"></a>00554 <span class="preprocessor"></span>
<a name="l00555"></a>00555 dev = udev_monitor_receive_device(udev_monitor);
<a name="l00556"></a>00556 <span class="keywordflow">if</span> (!dev)
<a name="l00557"></a>00557 {
<a name="l00558"></a>00558 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_monitor_receive_device() error\n"</span>);
<a name="l00559"></a>00559 <span class="keywordflow">return</span>;
<a name="l00560"></a>00560 }
<a name="l00561"></a>00561
<a name="l00562"></a>00562 action = udev_device_get_action(dev);
<a name="l00563"></a>00563 <span class="keywordflow">if</span> (0 == strcmp(<span class="stringliteral">"remove"</span>, action))
<a name="l00564"></a>00564 {
<a name="l00565"></a>00565 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Device removed"</span>);
<a name="l00566"></a>00566 HPRescanUsbBus(udev);
<a name="l00567"></a>00567 <span class="keywordflow">continue</span>;
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569
<a name="l00570"></a>00570 <span class="keywordflow">if</span> (strcmp(<span class="stringliteral">"add"</span>, action))
<a name="l00571"></a>00571 <span class="keywordflow">continue</span>;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 parent = udev_device_get_parent_with_subsystem_devtype(dev, <span class="stringliteral">"usb"</span>,
<a name="l00574"></a>00574 <span class="stringliteral">"usb_device"</span>);
<a name="l00575"></a>00575 devpath = udev_device_get_devnode(parent);
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (!devpath)
<a name="l00577"></a>00577 {
<a name="l00578"></a>00578 <span class="comment">/* the device disapeared? */</span>
<a name="l00579"></a>00579 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_device_get_devnode() failed"</span>);
<a name="l00580"></a>00580 <span class="keywordflow">continue</span>;
<a name="l00581"></a>00581 }
<a name="l00582"></a>00582
<a name="l00583"></a>00583 HPAddDevice(dev, parent, devpath);
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="comment">/* free device */</span>
<a name="l00586"></a>00586 udev_device_unref(dev);
<a name="l00587"></a>00587
<a name="l00588"></a>00588 }
<a name="l00589"></a>00589
<a name="l00590"></a>00590 <span class="keywordflow">for</span> (i=0; i<driverSize; i++)
<a name="l00591"></a>00591 {
<a name="l00592"></a>00592 <span class="comment">/* free strings allocated by strdup() */</span>
<a name="l00593"></a>00593 free(driverTracker[i].bundleName);
<a name="l00594"></a>00594 free(driverTracker[i].libraryPath);
<a name="l00595"></a>00595 free(driverTracker[i].readerName);
<a name="l00596"></a>00596 }
<a name="l00597"></a>00597 free(driverTracker);
<a name="l00598"></a>00598
<a name="l00599"></a>00599 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Hotplug stopped"</span>);
<a name="l00600"></a>00600 } <span class="comment">/* HPEstablishUSBNotifications */</span>
<a name="l00601"></a>00601
<a name="l00602"></a>00602
<a name="l00603"></a>00603 <span class="comment">/***</span>
<a name="l00604"></a>00604 <span class="comment"> * Start a thread waiting for hotplug events</span>
<a name="l00605"></a>00605 <span class="comment"> */</span>
<a name="l00606"></a>00606 LONG HPSearchHotPluggables(<span class="keywordtype">void</span>)
<a name="l00607"></a>00607 {
<a name="l00608"></a>00608 <span class="keywordtype">int</span> i;
<a name="l00609"></a>00609
<a name="l00610"></a>00610 <span class="keywordflow">for</span> (i=0; i<<a class="code" href="pcsclite_8h.html#af750e6e22c809de2b523c17e4a092036" title="Maximum readers context (a slot is count as a reader)">PCSCLITE_MAX_READERS_CONTEXTS</a>; i++)
<a name="l00611"></a>00611 {
<a name="l00612"></a>00612 readerTracker[i].status = READER_ABSENT;
<a name="l00613"></a>00613 readerTracker[i].bInterfaceNumber = 0;
<a name="l00614"></a>00614 readerTracker[i].devpath = NULL;
<a name="l00615"></a>00615 readerTracker[i].fullName = NULL;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="keywordflow">return</span> HPReadBundleValues();
<a name="l00619"></a>00619 } <span class="comment">/* HPSearchHotPluggables */</span>
<a name="l00620"></a>00620
<a name="l00621"></a>00621
<a name="l00625"></a>00625 LONG HPStopHotPluggables(<span class="keywordtype">void</span>)
<a name="l00626"></a>00626 {
<a name="l00627"></a>00627 AraKiriHotPlug = TRUE;
<a name="l00628"></a>00628
<a name="l00629"></a>00629 <span class="keywordflow">return</span> 0;
<a name="l00630"></a>00630 } <span class="comment">/* HPStopHotPluggables */</span>
<a name="l00631"></a>00631
<a name="l00632"></a>00632
<a name="l00636"></a>00636 ULONG HPRegisterForHotplugEvents(<span class="keywordtype">void</span>)
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 <span class="keyword">struct </span>udev *udev;
<a name="l00639"></a>00639
<a name="l00640"></a>00640 (void)pthread_mutex_init(&usbNotifierMutex, NULL);
<a name="l00641"></a>00641
<a name="l00642"></a>00642 <span class="keywordflow">if</span> (driverSize <= 0)
<a name="l00643"></a>00643 {
<a name="l00644"></a>00644 Log1(PCSC_LOG_INFO, <span class="stringliteral">"No bundle files in pcsc drivers directory: "</span>
<a name="l00645"></a>00645 PCSCLITE_HP_DROPDIR);
<a name="l00646"></a>00646 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Disabling USB support for pcscd"</span>);
<a name="l00647"></a>00647 <span class="keywordflow">return</span> 0;
<a name="l00648"></a>00648 }
<a name="l00649"></a>00649
<a name="l00650"></a>00650 <span class="comment">/* Create the udev object */</span>
<a name="l00651"></a>00651 udev = udev_new();
<a name="l00652"></a>00652 <span class="keywordflow">if</span> (!udev)
<a name="l00653"></a>00653 {
<a name="l00654"></a>00654 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"udev_new() failed"</span>);
<a name="l00655"></a>00655 <span class="keywordflow">return</span> 0;
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657
<a name="l00658"></a>00658 HPRescanUsbBus(udev);
<a name="l00659"></a>00659
<a name="l00660"></a>00660 (void)ThreadCreate(&usbNotifyThread, THREAD_ATTR_DETACHED,
<a name="l00661"></a>00661 (PCSCLITE_THREAD_FUNCTION( )) HPEstablishUSBNotifications, udev);
<a name="l00662"></a>00662
<a name="l00663"></a>00663 <span class="keywordflow">return</span> 0;
<a name="l00664"></a>00664 } <span class="comment">/* HPRegisterForHotplugEvents */</span>
<a name="l00665"></a>00665
<a name="l00666"></a>00666
<a name="l00667"></a>00667 <span class="keywordtype">void</span> HPReCheckSerialReaders(<span class="keywordtype">void</span>)
<a name="l00668"></a>00668 {
<a name="l00669"></a>00669 <span class="comment">/* nothing to do here */</span>
<a name="l00670"></a>00670 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00671"></a>00671 <span class="preprocessor"></span> Log0(PCSC_LOG_ERROR);
<a name="l00672"></a>00672 <span class="preprocessor">#endif</span>
<a name="l00673"></a>00673 <span class="preprocessor"></span>} <span class="comment">/* HPReCheckSerialReaders */</span>
<a name="l00674"></a>00674
<a name="l00675"></a>00675 <span class="preprocessor">#endif</span>
<a name="l00676"></a>00676 <span class="preprocessor"></span>
</pre></div></div>
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