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<div class="title">winscard_msg.c</div> </div>
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<a href="winscard__msg_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * MUSCLE SmartCard Development ( http://www.linuxnet.com )</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2001-2004</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * David Corcoran <corcoran@linuxnet.com></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2003-2004</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Damien Sauveron <damien.sauveron@labri.fr></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (C) 2002-2010</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * $Id: winscard_msg.c 6441 2012-08-24 07:42:05Z rousseau $</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "config.h"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <fcntl.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <sys/types.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <sys/stat.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <sys/socket.h></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <sys/time.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <sys/un.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <sys/ioctl.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <errno.h></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <time.h></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifdef HAVE_SYS_FILIO_H</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#include <sys/filio.h></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "misc.h"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="pcscd_8h.html">pcscd.h</a>"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "<a class="code" href="winscard_8h.html">winscard.h</a>"</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "<a class="code" href="debuglog_8h.html">debuglog.h</a>"</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "<a class="code" href="winscard__msg_8h.html">winscard_msg.h</a>"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="sys__generic_8h.html">sys_generic.h</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "utils.h"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "<a class="code" href="strlcpycat_8h.html">strlcpycat.h</a>"</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#ifdef PCSCD</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/* functions used by pcscd only */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/* functions used by libpcsclite only */</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">char</span> *getSocketName(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">static</span> <span class="keywordtype">char</span> socketName[<span class="keyword">sizeof</span>(<span class="keyword">struct </span>sockaddr_un)];</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (<span class="charliteral">'\0'</span> == socketName[0])</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">/* socket name not yet initialized */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">char</span> *socketNameEnv;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  socketNameEnv = getenv(<span class="stringliteral">"PCSCLITE_CSOCK_NAME"</span>);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (socketNameEnv)</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  strlcpy(socketName, socketNameEnv, <span class="keyword">sizeof</span>(socketName));</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  strlcpy(socketName, PCSCLITE_CSOCK_NAME, <span class="keyword">sizeof</span>(socketName));</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> socketName;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#ab19f0d98aa90725ca558be816dab3b59"> 90</a></span> INTERNAL <span class="keywordtype">int</span> <a class="code" href="winscard__msg_8c.html#a616a7d779449d1dc6a8a5d925d8212b1">ClientSetupSession</a>(uint32_t *pdwClientID)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">struct </span>sockaddr_un svc_addr;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">char</span> *socketName;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  ret = socket(PF_UNIX, SOCK_STREAM, 0);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (ret < 0)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"Error: create on client socket: %s"</span>,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  strerror(errno));</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  *pdwClientID = ret;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  socketName = getSocketName();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  svc_addr.sun_family = AF_UNIX;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  strncpy(svc_addr.sun_path, socketName, <span class="keyword">sizeof</span>(svc_addr.sun_path));</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (connect(*pdwClientID, (<span class="keyword">struct</span> sockaddr *) &svc_addr,</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">sizeof</span>(svc_addr.sun_family) + strlen(svc_addr.sun_path) + 1) < 0)</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"Error: connect to client socket %s: %s"</span>,</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  socketName, strerror(errno));</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  (void)close(*pdwClientID);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ret = fcntl(*pdwClientID, F_GETFL, 0);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (ret < 0)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"Error: cannot retrieve socket %s flags: %s"</span>,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  socketName, strerror(errno));</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  (void)close(*pdwClientID);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (fcntl(*pdwClientID, F_SETFL, ret | O_NONBLOCK) < 0)</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"Error: cannot set socket %s nonblocking: %s"</span>,</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  socketName, strerror(errno));</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  (void)close(*pdwClientID);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#a3ac9199c5e346cd4d9729e190d9ae0e8"> 145</a></span> INTERNAL <span class="keywordtype">int</span> <a class="code" href="winscard__msg_8c.html#a43b3c0b77aeac885864df13a39b5d44f">ClientCloseSession</a>(uint32_t dwClientID)</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> close(dwClientID);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#a22b2a083527da552444a3b9069b815ad"> 166</a></span> INTERNAL LONG <a class="code" href="winscard__msg_8c.html#a7d872cca20f53a9758a6f0baa5f05c51">MessageReceiveTimeout</a>(uint32_t command, <span class="keywordtype">void</span> *buffer_void,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  uint64_t buffer_size, int32_t filedes, <span class="keywordtype">long</span> timeOut)</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">char</span> *buffer = buffer_void;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">/* default is success */</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  LONG retval = <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75">SCARD_S_SUCCESS</a>;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">/* record the time when we started */</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">struct </span>timeval start;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">/* how many bytes we must read */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">size_t</span> remaining = buffer_size;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  gettimeofday(&start, NULL);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">/* repeat until we get the whole message */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">while</span> (remaining > 0)</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  fd_set read_fd;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">struct </span>timeval timeout, now;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">int</span> selret;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">long</span> delta;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  gettimeofday(&now, NULL);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  delta = <a class="code" href="utils_8c.html#a470f4ac4abe231a7b3346be4fe455912">time_sub</a>(&now, &start);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (delta > timeOut*1000)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">/* we already timed out */</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  retval = <a class="code" href="pcsclite_8h.html#aa01265b3f55d4f18cdeb4f9cd736b508">SCARD_E_TIMEOUT</a>;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">/* remaining time to wait */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  delta = timeOut*1000 - delta;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  FD_ZERO(&read_fd);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  FD_SET(filedes, &read_fd);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  timeout.tv_sec = delta/1000000;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  timeout.tv_usec = delta - timeout.tv_sec*1000000;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  selret = select(filedes + 1, &read_fd, NULL, NULL, &timeout);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">/* try to read only when socket is readable */</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (selret > 0)</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">int</span> readed;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (!FD_ISSET(filedes, &read_fd))</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">/* very strange situation. it should be an assert really */</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  readed = read(filedes, buffer, remaining);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (readed > 0)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">/* we got something */</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  buffer += readed;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  remaining -= readed;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (readed == 0)</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">/* peer closed the socket */</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">/* we ignore the signals and empty socket situations, all</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * other errors are fatal */</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (errno != EINTR && errno != EAGAIN)</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (selret == 0)</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">/* is the daemon still there? */</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  retval = <a class="code" href="winscard__clnt_8c.html#aaa02e1f70d68a502cd92ed066c44542f">SCardCheckDaemonAvailability</a>();</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (retval != <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75">SCARD_S_SUCCESS</a>)</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">/* timeout */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">/* you need to set the env variable PCSCLITE_DEBUG=0 since</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * this is logged on the client side and not on the pcscd</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * side*/</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  Log2(PCSC_LOG_INFO, <span class="stringliteral">"Command 0x%X not yet finished"</span>, command);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">/* we ignore signals, all other errors are fatal */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (errno != EINTR)</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  Log2(PCSC_LOG_ERROR, <span class="stringliteral">"select returns with failure: %s"</span>,</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  strerror(errno));</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> retval;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> }</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#a5bb74102a7d2387f14d7341f1894ee3e"> 288</a></span> INTERNAL LONG <a class="code" href="winscard__msg_8c.html#a922f8b35802c2449f80a9bd02a25b05b">MessageSendWithHeader</a>(uint32_t command, uint32_t dwClientID,</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  uint64_t size, <span class="keywordtype">void</span> *data_void)</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> {</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">struct </span><a class="code" href="structrxHeader.html">rxHeader</a> header;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  LONG ret;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">/* header */</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  header.<a class="code" href="structrxHeader.html#af7e471411e95448316f756e3905fdcce">command</a> = <a class="code" href="structrxHeader.html#af7e471411e95448316f756e3905fdcce">command</a>;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  header.<a class="code" href="structrxHeader.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a> = <a class="code" href="structrxHeader.html#ab2c6b258f02add8fdf4cfc7c371dd772">size</a>;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  ret = <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057">MessageSend</a>(&header, <span class="keyword">sizeof</span>(header), dwClientID);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">/* command */</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (size > 0)</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  ret = <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057">MessageSend</a>(data_void, size, dwClientID);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> }</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment">/* functions used by pcscd and libpcsclite */</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a name="l00324"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#a05d22dbf58a6d7ab9b0c1ae77049f533"> 324</a></span> INTERNAL LONG <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057">MessageSend</a>(<span class="keywordtype">void</span> *buffer_void, uint64_t buffer_size,</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  int32_t filedes)</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> {</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">char</span> *buffer = buffer_void;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">/* default is success */</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  LONG retval = <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75">SCARD_S_SUCCESS</a>;</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">/* how many bytes remains to be written */</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordtype">size_t</span> remaining = buffer_size;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">/* repeat until all data is written */</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">while</span> (remaining > 0)</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  fd_set write_fd;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordtype">int</span> selret;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  FD_ZERO(&write_fd);</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  FD_SET(filedes, &write_fd);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  selret = select(filedes + 1, NULL, &write_fd, NULL, NULL);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">/* try to write only when the file descriptor is writable */</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (selret > 0)</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  {</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">int</span> written;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (!FD_ISSET(filedes, &write_fd))</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">/* very strange situation. it should be an assert really */</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">/* since we are a user library we can't play with signals</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> * The signals may already be used by the application */</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#ifdef MSG_NOSIGNAL</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor"></span> <span class="comment">/* Get EPIPE return code instead of SIGPIPE signal</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * Works on Linux */</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  written = send(filedes, buffer, remaining, MSG_NOSIGNAL);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor"></span> <span class="comment">/* we may get a SIGPIPE signal if the other side has closed */</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  written = write(filedes, buffer, remaining);</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (written > 0)</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">/* we wrote something */</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  buffer += written;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  remaining -= written;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (written == 0)</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">/* peer closed the socket */</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  {</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">/* we ignore the signals and socket full situations, all</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> * other errors are fatal */</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (errno != EINTR && errno != EAGAIN)</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  retval = <a class="code" href="pcsclite_8h.html#ad4729ab109ff490285d2ad881c04bee8">SCARD_E_NO_SERVICE</a>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (selret == 0)</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">/* timeout */</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  retval = <a class="code" href="pcsclite_8h.html#aa01265b3f55d4f18cdeb4f9cd736b508">SCARD_E_TIMEOUT</a>;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  {</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">/* ignore signals */</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (errno != EINTR)</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  {</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  Log2(PCSC_LOG_ERROR, <span class="stringliteral">"select returns with failure: %s"</span>,</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  strerror(errno));</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> retval;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00422"></a><span class="lineno"><a class="line" href="winscard__msg_8h.html#a081a9b923dff2a0a831b604dd7d1267b"> 422</a></span> INTERNAL LONG <a class="code" href="winscard__msg_8c.html#adbb09969d5d410393ae441b9a18c7a0c">MessageReceive</a>(<span class="keywordtype">void</span> *buffer_void, uint64_t buffer_size,</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  int32_t filedes)</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordtype">char</span> *buffer = buffer_void;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">/* default is success */</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  LONG retval = <a class="code" href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75">SCARD_S_SUCCESS</a>;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">/* how many bytes we must read */</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordtype">size_t</span> remaining = buffer_size;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">/* repeat until we get the whole message */</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">while</span> (remaining > 0)</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  {</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  fd_set read_fd;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordtype">int</span> selret;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  FD_ZERO(&read_fd);</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  FD_SET(filedes, &read_fd);</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> </div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  selret = select(filedes + 1, &read_fd, NULL, NULL, NULL);</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">/* try to read only when socket is readable */</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (selret > 0)</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  {</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordtype">int</span> readed;</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (!FD_ISSET(filedes, &read_fd))</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  {</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">/* very strange situation. it should be an assert really */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  readed = read(filedes, buffer, remaining);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">if</span> (readed > 0)</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  {</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="comment">/* we got something */</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  buffer += readed;</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  remaining -= readed;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (readed == 0)</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  {</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">/* peer closed the socket */</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  {</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">/* we ignore the signals and empty socket situations, all</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment"> * other errors are fatal */</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> (errno != EINTR && errno != EAGAIN)</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  {</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">/* we ignore signals, all other errors are fatal */</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (errno != EINTR)</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  {</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  Log2(PCSC_LOG_ERROR, <span class="stringliteral">"select returns with failure: %s"</span>,</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  strerror(errno));</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  retval = <a class="code" href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a>;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  }</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> </div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> retval;</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> }</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div>
<div class="ttc" id="winscard__msg_8c_html_a43b3c0b77aeac885864df13a39b5d44f"><div class="ttname"><a href="winscard__msg_8c.html#a43b3c0b77aeac885864df13a39b5d44f">ClientCloseSession</a></div><div class="ttdeci">INTERNAL int ClientCloseSession(uint32_t dwClientID)</div><div class="ttdoc">Closes the socket used by the client to communicate with the server. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00145">winscard_msg.c:145</a></div></div>
<div class="ttc" id="winscard__msg_8c_html_a922f8b35802c2449f80a9bd02a25b05b"><div class="ttname"><a href="winscard__msg_8c.html#a922f8b35802c2449f80a9bd02a25b05b">MessageSendWithHeader</a></div><div class="ttdeci">INTERNAL LONG MessageSendWithHeader(uint32_t command, uint32_t dwClientID, uint64_t size, void *data_void)</div><div class="ttdoc">Wrapper for the MessageSend() function. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00288">winscard_msg.c:288</a></div></div>
<div class="ttc" id="pcsclite_8h_html_a93d3cf468d69423eab1d478a7a870408"><div class="ttname"><a href="pcsclite_8h.html#a93d3cf468d69423eab1d478a7a870408">SCARD_F_COMM_ERROR</a></div><div class="ttdeci">#define SCARD_F_COMM_ERROR</div><div class="ttdoc">An internal communications error has been detected. </div><div class="ttdef"><b>Definition:</b> <a href="pcsclite_8h_source.html#l00099">pcsclite.h:99</a></div></div>
<div class="ttc" id="structrxHeader_html_af7e471411e95448316f756e3905fdcce"><div class="ttname"><a href="structrxHeader.html#af7e471411e95448316f756e3905fdcce">rxHeader::command</a></div><div class="ttdeci">uint32_t command</div><div class="ttdoc">one of the pcsc_msg_commands </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8h_source.html#l00046">winscard_msg.h:46</a></div></div>
<div class="ttc" id="sys__generic_8h_html"><div class="ttname"><a href="sys__generic_8h.html">sys_generic.h</a></div><div class="ttdoc">This handles abstract system level calls. </div></div>
<div class="ttc" id="pcsclite_8h_html_ad4729ab109ff490285d2ad881c04bee8"><div class="ttname"><a href="pcsclite_8h.html#ad4729ab109ff490285d2ad881c04bee8">SCARD_E_NO_SERVICE</a></div><div class="ttdeci">#define SCARD_E_NO_SERVICE</div><div class="ttdoc">The Smart card resource manager is not running. </div><div class="ttdef"><b>Definition:</b> <a href="pcsclite_8h_source.html#l00109">pcsclite.h:109</a></div></div>
<div class="ttc" id="structrxHeader_html"><div class="ttname"><a href="structrxHeader.html">rxHeader</a></div><div class="ttdoc">header structure for client/server message data exchange. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8h_source.html#l00043">winscard_msg.h:43</a></div></div>
<div class="ttc" id="winscard__msg_8c_html_adbb09969d5d410393ae441b9a18c7a0c"><div class="ttname"><a href="winscard__msg_8c.html#adbb09969d5d410393ae441b9a18c7a0c">MessageReceive</a></div><div class="ttdeci">INTERNAL LONG MessageReceive(void *buffer_void, uint64_t buffer_size, int32_t filedes)</div><div class="ttdoc">Called by the Client to get the reponse from the server or vice-versa. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00422">winscard_msg.c:422</a></div></div>
<div class="ttc" id="strlcpycat_8h_html"><div class="ttname"><a href="strlcpycat_8h.html">strlcpycat.h</a></div><div class="ttdoc">prototypes of strlcpy()/strlcat() imported from OpenBSD </div></div>
<div class="ttc" id="winscard__msg_8h_html"><div class="ttname"><a href="winscard__msg_8h.html">winscard_msg.h</a></div><div class="ttdoc">This defines some structures and #defines to be used over the transport layer. </div></div>
<div class="ttc" id="utils_8c_html_a470f4ac4abe231a7b3346be4fe455912"><div class="ttname"><a href="utils_8c.html#a470f4ac4abe231a7b3346be4fe455912">time_sub</a></div><div class="ttdeci">long int time_sub(struct timeval *a, struct timeval *b)</div><div class="ttdoc">return the difference (as long int) in µs between 2 struct timeval r = a - b </div><div class="ttdef"><b>Definition:</b> <a href="utils_8c_source.html#l00106">utils.c:106</a></div></div>
<div class="ttc" id="structrxHeader_html_ab2c6b258f02add8fdf4cfc7c371dd772"><div class="ttname"><a href="structrxHeader.html#ab2c6b258f02add8fdf4cfc7c371dd772">rxHeader::size</a></div><div class="ttdeci">uint32_t size</div><div class="ttdoc">size of the message excluding this header </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8h_source.html#l00045">winscard_msg.h:45</a></div></div>
<div class="ttc" id="winscard__clnt_8c_html_aaa02e1f70d68a502cd92ed066c44542f"><div class="ttname"><a href="winscard__clnt_8c.html#aaa02e1f70d68a502cd92ed066c44542f">SCardCheckDaemonAvailability</a></div><div class="ttdeci">LONG SCardCheckDaemonAvailability(void)</div><div class="ttdoc">Checks if the server is running. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__clnt_8c_source.html#l03571">winscard_clnt.c:3571</a></div></div>
<div class="ttc" id="winscard__msg_8c_html_a616a7d779449d1dc6a8a5d925d8212b1"><div class="ttname"><a href="winscard__msg_8c.html#a616a7d779449d1dc6a8a5d925d8212b1">ClientSetupSession</a></div><div class="ttdeci">INTERNAL int ClientSetupSession(uint32_t *pdwClientID)</div><div class="ttdoc">Prepares a communication channel for the client to talk to the server. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00090">winscard_msg.c:90</a></div></div>
<div class="ttc" id="pcscd_8h_html"><div class="ttname"><a href="pcscd_8h.html">pcscd.h</a></div><div class="ttdoc">This keeps a list of defines for pcsc-lite. </div></div>
<div class="ttc" id="winscard__msg_8c_html_aacd09139ce5667d3b651de29c0d62057"><div class="ttname"><a href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057">MessageSend</a></div><div class="ttdeci">INTERNAL LONG MessageSend(void *buffer_void, uint64_t buffer_size, int32_t filedes)</div><div class="ttdoc">Sends a menssage from client to server or vice-versa. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00324">winscard_msg.c:324</a></div></div>
<div class="ttc" id="pcsclite_8h_html_a4a3c56f69570971d366642a563b34a75"><div class="ttname"><a href="pcsclite_8h.html#a4a3c56f69570971d366642a563b34a75">SCARD_S_SUCCESS</a></div><div class="ttdeci">#define SCARD_S_SUCCESS</div><div class="ttdoc">error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx </div><div class="ttdef"><b>Definition:</b> <a href="pcsclite_8h_source.html#l00080">pcsclite.h:80</a></div></div>
<div class="ttc" id="winscard_8h_html"><div class="ttname"><a href="winscard_8h.html">winscard.h</a></div><div class="ttdoc">This handles smart card reader communications. </div></div>
<div class="ttc" id="winscard__msg_8c_html_a7d872cca20f53a9758a6f0baa5f05c51"><div class="ttname"><a href="winscard__msg_8c.html#a7d872cca20f53a9758a6f0baa5f05c51">MessageReceiveTimeout</a></div><div class="ttdeci">INTERNAL LONG MessageReceiveTimeout(uint32_t command, void *buffer_void, uint64_t buffer_size, int32_t filedes, long timeOut)</div><div class="ttdoc">Called by the Client to get the reponse from the server or vice-versa. </div><div class="ttdef"><b>Definition:</b> <a href="winscard__msg_8c_source.html#l00166">winscard_msg.c:166</a></div></div>
<div class="ttc" id="debuglog_8h_html"><div class="ttname"><a href="debuglog_8h.html">debuglog.h</a></div><div class="ttdoc">This handles debugging. </div></div>
<div class="ttc" id="pcsclite_8h_html_aa01265b3f55d4f18cdeb4f9cd736b508"><div class="ttname"><a href="pcsclite_8h.html#aa01265b3f55d4f18cdeb4f9cd736b508">SCARD_E_TIMEOUT</a></div><div class="ttdeci">#define SCARD_E_TIMEOUT</div><div class="ttdoc">The user-specified timeout value has expired. </div><div class="ttdef"><b>Definition:</b> <a href="pcsclite_8h_source.html#l00090">pcsclite.h:90</a></div></div>
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