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<li class="navelem"><a class="el" href="dir_7a4553ee0c3b13d0e595a5d1659110a6.html">src</a> </li>
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<h1>hotplug_linux.c</h1> </div>
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<a href="hotplug__linux_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) 2001-2003</span>
<a name="l00005"></a>00005 <span class="comment"> * David Corcoran <corcoran@linuxnet.com></span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 2002-2010</span>
<a name="l00007"></a>00007 <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * The USB code was based partly on Johannes Erdfelt</span>
<a name="l00010"></a>00010 <span class="comment"> * libusb code found at libusb.sourceforge.net</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * $Id: hotplug_linux.c 5638 2011-02-25 13:36:57Z rousseau $</span>
<a name="l00013"></a>00013 <span class="comment"> */</span>
<a name="l00014"></a>00014
<a name="l00020"></a>00020 <span class="preprocessor">#include "config.h"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <string.h></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#if defined(__linux__) && !defined(HAVE_LIBUSB) && !defined(HAVE_LIBUDEV)</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#include <sys/types.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <stdio.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <dirent.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <time.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <unistd.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <pthread.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include "misc.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "pcsclite.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="pcscd_8h.html" title="This keeps a list of defines for pcsc-lite.">pcscd.h</a>"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "debuglog.h"</span>
<a name="l00037"></a>00037 <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="l00038"></a>00038 <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="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="winscard__msg_8h.html" title="This defines some structures and #defines to be used over the transport layer.">winscard_msg.h</a>"</span>
<a name="l00040"></a>00040 <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="l00041"></a>00041 <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="l00042"></a>00042 <span class="preprocessor">#include "utils.h"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="preprocessor">#undef DEBUG_HOTPLUG</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define PCSCLITE_USB_PATH "/proc/bus/usb"</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span>
<a name="l00047"></a>00047 <span class="preprocessor">#define FALSE 0</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define TRUE 1</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 pthread_mutex_t usbNotifierMutex;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">struct </span>usb_device_descriptor
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 u_int8_t bLength;
<a name="l00055"></a>00055 u_int8_t bDescriptorType;
<a name="l00056"></a>00056 u_int16_t bcdUSB;
<a name="l00057"></a>00057 u_int8_t bDeviceClass;
<a name="l00058"></a>00058 u_int8_t bDeviceSubClass;
<a name="l00059"></a>00059 u_int8_t bDeviceProtocol;
<a name="l00060"></a>00060 u_int8_t bMaxPacketSize0;
<a name="l00061"></a>00061 u_int16_t idVendor;
<a name="l00062"></a>00062 u_int16_t idProduct;
<a name="l00063"></a>00063 u_int16_t bcdDevice;
<a name="l00064"></a>00064 u_int8_t iManufacturer;
<a name="l00065"></a>00065 u_int8_t iProduct;
<a name="l00066"></a>00066 u_int8_t iSerialNumber;
<a name="l00067"></a>00067 u_int8_t bNumConfigurations;
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069 __attribute__ ((packed));
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">static</span> LONG HPAddHotPluggable(<span class="keywordtype">int</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>);
<a name="l00072"></a>00072 <span class="keyword">static</span> LONG HPRemoveHotPluggable(<span class="keywordtype">int</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>);
<a name="l00073"></a>00073 <span class="keyword">static</span> LONG HPReadBundleValues(<span class="keywordtype">void</span>);
<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keywordtype">void</span> HPEstablishUSBNotifications(<span class="keywordtype">void</span>);
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">static</span> pthread_t usbNotifyThread;
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keywordtype">int</span> AraKiriHotPlug = FALSE;
<a name="l00078"></a>00078 <span class="keyword">static</span> <span class="keywordtype">int</span> bundleSize = 0;
<a name="l00079"></a>00079
<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keyword">struct </span>_bundleTracker
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordtype">long</span> manuID;
<a name="l00086"></a>00086 <span class="keywordtype">long</span> productID;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">struct </span>_deviceNumber {
<a name="l00089"></a>00089 <span class="keywordtype">int</span> id;
<a name="l00090"></a>00090 <span class="keywordtype">char</span> status;
<a name="l00091"></a>00091 } deviceNumber[<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="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordtype">char</span> *bundleName;
<a name="l00094"></a>00094 <span class="keywordtype">char</span> *libraryPath;
<a name="l00095"></a>00095 <span class="keywordtype">char</span> *readerName;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 bundleTracker[<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="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">static</span> LONG HPReadBundleValues(<span class="keywordtype">void</span>)
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 LONG rv;
<a name="l00102"></a>00102 DIR *hpDir;
<a name="l00103"></a>00103 <span class="keyword">struct </span>dirent *currFP = 0;
<a name="l00104"></a>00104 <span class="keywordtype">char</span> fullPath[FILENAME_MAX];
<a name="l00105"></a>00105 <span class="keywordtype">char</span> fullLibPath[FILENAME_MAX];
<a name="l00106"></a>00106 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> listCount = 0;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 hpDir = opendir(PCSCLITE_HP_DROPDIR);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (hpDir == NULL)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 Log1(PCSC_LOG_INFO,
<a name="l00113"></a>00113 <span class="stringliteral">"Cannot open PC/SC drivers directory: "</span> PCSCLITE_HP_DROPDIR);
<a name="l00114"></a>00114 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Disabling USB support for pcscd."</span>);
<a name="l00115"></a>00115 <span class="keywordflow">return</span> -1;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="preprocessor">#define GET_KEY(key, values) \</span>
<a name="l00119"></a>00119 <span class="preprocessor"> rv = LTPBundleFindValueWithKey(&plist, key, values); \</span>
<a name="l00120"></a>00120 <span class="preprocessor"> if (rv) \</span>
<a name="l00121"></a>00121 <span class="preprocessor"> { \</span>
<a name="l00122"></a>00122 <span class="preprocessor"> Log2(PCSC_LOG_ERROR, "Value/Key not defined for " key " in %s", \</span>
<a name="l00123"></a>00123 <span class="preprocessor"> fullPath); \</span>
<a name="l00124"></a>00124 <span class="preprocessor"> continue; \</span>
<a name="l00125"></a>00125 <span class="preprocessor"> }</span>
<a name="l00126"></a>00126 <span class="preprocessor"></span>
<a name="l00127"></a>00127 <span class="keywordflow">while</span> ((currFP = readdir(hpDir)) != 0)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (strstr(currFP->d_name, <span class="stringliteral">".bundle"</span>) != 0)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> alias;
<a name="l00132"></a>00132 <a class="code" href="structlist__t.html" title="list object">list_t</a> plist, *values;
<a name="l00133"></a>00133 <a class="code" href="structlist__t.html" title="list object">list_t</a> *manuIDs, *productIDs, *readerNames;
<a name="l00134"></a>00134 <span class="keywordtype">char</span> *libraryPath;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="comment">/*</span>
<a name="l00137"></a>00137 <span class="comment"> * The bundle exists - let's form a full path name and get the</span>
<a name="l00138"></a>00138 <span class="comment"> * vendor and product ID's for this particular bundle</span>
<a name="l00139"></a>00139 <span class="comment"> */</span>
<a name="l00140"></a>00140 snprintf(fullPath, FILENAME_MAX, <span class="stringliteral">"%s/%s/Contents/Info.plist"</span>,
<a name="l00141"></a>00141 PCSCLITE_HP_DROPDIR, currFP->d_name);
<a name="l00142"></a>00142 fullPath[FILENAME_MAX - 1] = <span class="charliteral">'\0'</span>;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 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="l00145"></a>00145 <span class="keywordflow">if</span> (rv)
<a name="l00146"></a>00146 <span class="keywordflow">continue</span>;
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="comment">/* get CFBundleExecutable */</span>
<a name="l00149"></a>00149 GET_KEY(PCSCLITE_HP_LIBRKEY_NAME, &values)
<a name="l00150"></a>00150 libraryPath = list_get_at(values, 0);
<a name="l00151"></a>00151 (<span class="keywordtype">void</span>)snprintf(fullLibPath, sizeof(fullLibPath),
<a name="l00152"></a>00152 "%s/%s/Contents/%s/%s",
<a name="l00153"></a>00153 PCSCLITE_HP_DROPDIR, currFP->d_name, PCSC_ARCH,
<a name="l00154"></a>00154 libraryPath);
<a name="l00155"></a>00155 fullLibPath[sizeof(fullLibPath) - 1] = '\0';
<a name="l00156"></a>00156
<a name="l00157"></a>00157 GET_KEY(PCSCLITE_HP_CPCTKEY_NAME, &values)
<a name="l00158"></a>00158 GET_KEY(PCSCLITE_HP_MANUKEY_NAME, &manuIDs)
<a name="l00159"></a>00159 GET_KEY(PCSCLITE_HP_PRODKEY_NAME, &productIDs)
<a name="l00160"></a>00160 GET_KEY(PCSCLITE_HP_NAMEKEY_NAME, &readerNames)
<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 bundleTracker[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 bundleTracker[listCount].productID = strtol(value, NULL, 16);
<a name="l00173"></a>00173
<a name="l00174"></a>00174 bundleTracker[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 bundleTracker[listCount].bundleName = strdup(currFP->d_name);
<a name="l00178"></a>00178 bundleTracker[listCount].libraryPath = strdup(fullLibPath);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="preprocessor">#ifdef DEBUG_HOTPLUG</span>
<a name="l00181"></a>00181 <span class="preprocessor"></span> Log2(PCSC_LOG_INFO, <span class="stringliteral">"Found driver for: %s"</span>,
<a name="l00182"></a>00182 bundleTracker[listCount].readerName);
<a name="l00183"></a>00183 <span class="preprocessor">#endif</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span> listCount++;
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (listCount >= <span class="keyword">sizeof</span>(bundleTracker)/<span class="keyword">sizeof</span>(bundleTracker[0]))
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"Too many readers declared. Maximum is %d"</span>, <span class="keyword">sizeof</span>(bundleTracker)/<span class="keyword">sizeof</span>(bundleTracker[0]));
<a name="l00189"></a>00189 <span class="keywordflow">goto</span> end;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192 <a class="code" href="parser_8h.html#ab75f32a05000c6a12a6a53c8f37637bd" title="Free the list created by bundleParse()">bundleRelease</a>(&plist);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 end:
<a name="l00197"></a>00197 bundleSize = listCount;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (bundleSize == 0)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 Log1(PCSC_LOG_INFO,
<a name="l00202"></a>00202 <span class="stringliteral">"No bundle files in pcsc drivers directory: "</span> PCSCLITE_HP_DROPDIR);
<a name="l00203"></a>00203 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Disabling USB support for pcscd"</span>);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206 closedir(hpDir);
<a name="l00207"></a>00207 <span class="keywordflow">return</span> 0;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keyword">static</span> <span class="keywordtype">void</span> HPEstablishUSBNotifications(<span class="keywordtype">void</span>)
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordtype">int</span> i, j, usbDeviceStatus;
<a name="l00214"></a>00214 DIR *dir, *dirB;
<a name="l00215"></a>00215 <span class="keyword">struct </span>dirent *entry, *entryB;
<a name="l00216"></a>00216 <span class="keywordtype">int</span> deviceNumber;
<a name="l00217"></a>00217 <span class="keywordtype">int</span> suspectDeviceNumber;
<a name="l00218"></a>00218 <span class="keywordtype">char</span> dirpath[FILENAME_MAX];
<a name="l00219"></a>00219 <span class="keywordtype">char</span> filename[FILENAME_MAX];
<a name="l00220"></a>00220 <span class="keywordtype">int</span> fd, ret;
<a name="l00221"></a>00221 <span class="keyword">struct </span>usb_device_descriptor usbDescriptor;
<a name="l00222"></a>00222
<a name="l00223"></a>00223 usbDeviceStatus = 0;
<a name="l00224"></a>00224 suspectDeviceNumber = 0;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keywordflow">while</span> (1)
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 <span class="keywordflow">for</span> (i = 0; i < bundleSize; i++)
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 usbDeviceStatus = 0;
<a name="l00231"></a>00231 suspectDeviceNumber = 0;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <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="l00234"></a>00234 <span class="comment">/* clear rollcall */</span>
<a name="l00235"></a>00235 bundleTracker[i].deviceNumber[j].status = 0;
<a name="l00236"></a>00236
<a name="l00237"></a>00237 dir = NULL;
<a name="l00238"></a>00238 dir = opendir(PCSCLITE_USB_PATH);
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (dir == NULL)
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 Log1(PCSC_LOG_ERROR,
<a name="l00242"></a>00242 <span class="stringliteral">"Cannot open USB path directory: "</span> PCSCLITE_USB_PATH);
<a name="l00243"></a>00243 <span class="keywordflow">return</span>;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 entry = NULL;
<a name="l00247"></a>00247 <span class="keywordflow">while</span> ((entry = readdir(dir)) != 0)
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">/*</span>
<a name="l00251"></a>00251 <span class="comment"> * Skip anything starting with a</span>
<a name="l00252"></a>00252 <span class="comment"> */</span>
<a name="l00253"></a>00253 <span class="keywordflow">if</span> (entry->d_name[0] == <span class="charliteral">'.'</span>)
<a name="l00254"></a>00254 <span class="keywordflow">continue</span>;
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (!strchr(<span class="stringliteral">"0123456789"</span>,
<a name="l00256"></a>00256 entry->d_name[strlen(entry->d_name) - 1]))
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 <span class="keywordflow">continue</span>;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 sprintf(dirpath, <span class="stringliteral">"%s/%s"</span>, PCSCLITE_USB_PATH, entry->d_name);
<a name="l00262"></a>00262
<a name="l00263"></a>00263 dirB = opendir(dirpath);
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (dirB == NULL)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 Log2(PCSC_LOG_ERROR,
<a name="l00268"></a>00268 <span class="stringliteral">"USB path seems to have disappeared %s"</span>, dirpath);
<a name="l00269"></a>00269 closedir(dir);
<a name="l00270"></a>00270 <span class="keywordflow">return</span>;
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="keywordflow">while</span> ((entryB = readdir(dirB)) != NULL)
<a name="l00274"></a>00274 {
<a name="l00275"></a>00275 <span class="comment">/*</span>
<a name="l00276"></a>00276 <span class="comment"> * Skip anything starting with a</span>
<a name="l00277"></a>00277 <span class="comment"> */</span>
<a name="l00278"></a>00278 <span class="keywordflow">if</span> (entryB->d_name[0] == <span class="charliteral">'.'</span>)
<a name="l00279"></a>00279 <span class="keywordflow">continue</span>;
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">/* Get the device number so we can distinguish</span>
<a name="l00282"></a>00282 <span class="comment"> multiple readers */</span>
<a name="l00283"></a>00283 sprintf(filename, <span class="stringliteral">"%s/%s"</span>, dirpath, entryB->d_name);
<a name="l00284"></a>00284 sscanf(entryB->d_name, <span class="stringliteral">"%d"</span>, &deviceNumber);
<a name="l00285"></a>00285
<a name="l00286"></a>00286 fd = open(filename, O_RDONLY);
<a name="l00287"></a>00287 <span class="keywordflow">if</span> (fd < 0)
<a name="l00288"></a>00288 <span class="keywordflow">continue</span>;
<a name="l00289"></a>00289
<a name="l00290"></a>00290 ret = read(fd, (<span class="keywordtype">void</span> *) &usbDescriptor,
<a name="l00291"></a>00291 <span class="keyword">sizeof</span>(usbDescriptor));
<a name="l00292"></a>00292
<a name="l00293"></a>00293 close(fd);
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="keywordflow">if</span> (ret < 0)
<a name="l00296"></a>00296 <span class="keywordflow">continue</span>;
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="comment">/*</span>
<a name="l00299"></a>00299 <span class="comment"> * Device is found and we don't know about it</span>
<a name="l00300"></a>00300 <span class="comment"> */</span>
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (usbDescriptor.idVendor == bundleTracker[i].manuID &&
<a name="l00303"></a>00303 usbDescriptor.idProduct == bundleTracker[i].productID &&
<a name="l00304"></a>00304 usbDescriptor.idVendor !=0 &&
<a name="l00305"></a>00305 usbDescriptor.idProduct != 0)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307 <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="l00308"></a>00308 {
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (bundleTracker[i].deviceNumber[j].<span class="keywordtype">id</span> == deviceNumber &&
<a name="l00310"></a>00310 bundleTracker[i].deviceNumber[j].<span class="keywordtype">id</span> != 0)
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 bundleTracker[i].deviceNumber[j].status = 1; <span class="comment">/* i'm here */</span>
<a name="l00313"></a>00313 <span class="keywordflow">break</span>;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="keywordflow">if</span> (j == PCSCLITE_MAX_READERS_CONTEXTS)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 usbDeviceStatus = 1;
<a name="l00320"></a>00320 suspectDeviceNumber = deviceNumber;
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323
<a name="l00324"></a>00324 } <span class="comment">/* End of while */</span>
<a name="l00325"></a>00325
<a name="l00326"></a>00326 closedir(dirB);
<a name="l00327"></a>00327
<a name="l00328"></a>00328 } <span class="comment">/* End of while */</span>
<a name="l00329"></a>00329
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">if</span> (usbDeviceStatus == 1)
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 pthread_mutex_lock(&usbNotifierMutex);
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <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="l00336"></a>00336 {
<a name="l00337"></a>00337 <span class="keywordflow">if</span> (bundleTracker[i].deviceNumber[j].<span class="keywordtype">id</span> == 0)
<a name="l00338"></a>00338 <span class="keywordflow">break</span>;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (j == PCSCLITE_MAX_READERS_CONTEXTS)
<a name="l00342"></a>00342 Log1(PCSC_LOG_ERROR,
<a name="l00343"></a>00343 <span class="stringliteral">"Too many identical readers plugged in"</span>);
<a name="l00344"></a>00344 <span class="keywordflow">else</span>
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 HPAddHotPluggable(i, j+1);
<a name="l00347"></a>00347 bundleTracker[i].deviceNumber[j].id = suspectDeviceNumber;
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349
<a name="l00350"></a>00350 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 <span class="keywordflow">else</span>
<a name="l00353"></a>00353 <span class="keywordflow">if</span> (usbDeviceStatus == 0)
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <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="l00357"></a>00357 {
<a name="l00358"></a>00358 <span class="keywordflow">if</span> (bundleTracker[i].deviceNumber[j].<span class="keywordtype">id</span> != 0 &&
<a name="l00359"></a>00359 bundleTracker[i].deviceNumber[j].status == 0)
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 pthread_mutex_lock(&usbNotifierMutex);
<a name="l00362"></a>00362 HPRemoveHotPluggable(i, j+1);
<a name="l00363"></a>00363 bundleTracker[i].deviceNumber[j].id = 0;
<a name="l00364"></a>00364 pthread_mutex_unlock(&usbNotifierMutex);
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 <span class="keywordflow">else</span>
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370 <span class="comment">/*</span>
<a name="l00371"></a>00371 <span class="comment"> * Do nothing - no USB devices found</span>
<a name="l00372"></a>00372 <span class="comment"> */</span>
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="keywordflow">if</span> (dir)
<a name="l00376"></a>00376 closedir(dir);
<a name="l00377"></a>00377
<a name="l00378"></a>00378 } <span class="comment">/* End of for..loop */</span>
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <a class="code" href="sys__generic_8h.html#abbd906a9a16166248e32862f67fc49cd" title="Makes the current process sleep for some seconds.">SYS_Sleep</a>(1);
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (AraKiriHotPlug)
<a name="l00382"></a>00382 {
<a name="l00383"></a>00383 <span class="keywordtype">int</span> retval;
<a name="l00384"></a>00384
<a name="l00385"></a>00385 Log1(PCSC_LOG_INFO, <span class="stringliteral">"Hotplug stopped"</span>);
<a name="l00386"></a>00386 pthread_exit(&retval);
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388
<a name="l00389"></a>00389 } <span class="comment">/* End of while loop */</span>
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 LONG HPSearchHotPluggables(<span class="keywordtype">void</span>)
<a name="l00393"></a>00393 {
<a name="l00394"></a>00394 <span class="keywordtype">int</span> i, j;
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <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="l00397"></a>00397 {
<a name="l00398"></a>00398 bundleTracker[i].productID = 0;
<a name="l00399"></a>00399 bundleTracker[i].manuID = 0;
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <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="l00402"></a>00402 bundleTracker[i].deviceNumber[j].<span class="keywordtype">id</span> = 0;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 HPReadBundleValues();
<a name="l00406"></a>00406
<a name="l00407"></a>00407 ThreadCreate(&usbNotifyThread, THREAD_ATTR_DETACHED,
<a name="l00408"></a>00408 (PCSCLITE_THREAD_FUNCTION( )) HPEstablishUSBNotifications, 0);
<a name="l00409"></a>00409
<a name="l00410"></a>00410 <span class="keywordflow">return</span> 0;
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412
<a name="l00413"></a>00413 LONG HPStopHotPluggables(<span class="keywordtype">void</span>)
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 AraKiriHotPlug = TRUE;
<a name="l00416"></a>00416
<a name="l00417"></a>00417 <span class="keywordflow">return</span> 0;
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419
<a name="l00420"></a>00420 <span class="keyword">static</span> LONG HPAddHotPluggable(<span class="keywordtype">int</span> i, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> usbAddr)
<a name="l00421"></a>00421 {
<a name="l00422"></a>00422 <span class="comment">/* NOTE: The deviceName is an empty string "" until someone implements</span>
<a name="l00423"></a>00423 <span class="comment"> * the code to get it */</span>
<a name="l00424"></a>00424 RFAddReader(bundleTracker[i].readerName, PCSCLITE_HP_BASE_PORT + usbAddr,
<a name="l00425"></a>00425 bundleTracker[i].libraryPath, <span class="stringliteral">""</span>);
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <span class="keywordflow">return</span> 1;
<a name="l00428"></a>00428 } <span class="comment">/* End of function */</span>
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="keyword">static</span> LONG HPRemoveHotPluggable(<span class="keywordtype">int</span> i, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> usbAddr)
<a name="l00431"></a>00431 {
<a name="l00432"></a>00432 RFRemoveReader(bundleTracker[i].readerName, PCSCLITE_HP_BASE_PORT + usbAddr);
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="keywordflow">return</span> 1;
<a name="l00435"></a>00435 } <span class="comment">/* End of function */</span>
<a name="l00436"></a>00436
<a name="l00440"></a>00440 ULONG HPRegisterForHotplugEvents(<span class="keywordtype">void</span>)
<a name="l00441"></a>00441 {
<a name="l00442"></a>00442 (void)pthread_mutex_init(&usbNotifierMutex, NULL);
<a name="l00443"></a>00443 <span class="keywordflow">return</span> 0;
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445
<a name="l00446"></a>00446 <span class="keywordtype">void</span> HPReCheckSerialReaders(<span class="keywordtype">void</span>)
<a name="l00447"></a>00447 {
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449
<a name="l00450"></a>00450 <span class="preprocessor">#endif </span><span class="comment">/* __linux__ && !HAVE_LIBUSB */</span>
</pre></div></div>
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