<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>pcsc-lite: winscard_svc.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.4 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">pcsc-lite <span id="projectnumber">1.7.2</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_7a4553ee0c3b13d0e595a5d1659110a6.html">src</a> </li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<div class="title">winscard_svc.c</div> </div>
</div>
<div class="contents">
<a href="winscard__svc_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) 2001-2004</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) 2003-2004</span>
<a name="l00007"></a>00007 <span class="comment"> * Damien Sauveron <damien.sauveron@labri.fr></span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2002-2010</span>
<a name="l00009"></a>00009 <span class="comment"> * Ludovic Rousseau <ludovic.rousseau@free.fr></span>
<a name="l00010"></a>00010 <span class="comment"> * Copyright (C) 2009</span>
<a name="l00011"></a>00011 <span class="comment"> * Jean-Luc Giraud <jlgiraud@googlemail.com></span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * $Id: winscard_svc.c 5539 2011-01-20 09:35:38Z rousseau $</span>
<a name="l00014"></a>00014 <span class="comment"> */</span>
<a name="l00015"></a>00015
<a name="l00026"></a>00026 <span class="preprocessor">#include "config.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <time.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <stdio.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <string.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <stddef.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <unistd.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <pthread.h></span>
<a name="l00034"></a>00034
<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 "<a class="code" href="winscard_8h.html" title="This handles smartcard reader communications.">winscard.h</a>"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="debuglog_8h.html" title="This handles debugging.">debuglog.h</a>"</span>
<a name="l00038"></a>00038 <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="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="winscard__svc_8h.html" title="This demarshalls functions over the message queue and keeps track of clients and their handles...">winscard_svc.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 "utils.h"</span>
<a name="l00042"></a>00042 <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="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="eventhandler_8h.html" title="This handles card insertion/removal events, updates ATR, protocol, and status information.">eventhandler.h</a>"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "simclist.h"</span>
<a name="l00045"></a>00045
<a name="l00052"></a>00052 <span class="keyword">extern</span> <span class="keywordtype">char</span> <a class="code" href="pcscdaemon_8c.html#ad41ba79cd2bc62973c95f29d1292b0a6" title="Represents an Application Context on the Server side.">AutoExit</a>;
<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keywordtype">int</span> contextMaxThreadCounter = PCSC_MAX_CONTEXT_THREADS;
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keywordtype">int</span> contextMaxCardHandles = PCSC_MAX_CONTEXT_CARD_HANDLES;
<a name="l00055"></a>00055
<a name="l00056"></a><a class="code" href="winscard__svc_8c.html#a88deac193f649cdf5bd8e1c2cc4d5e65">00056</a> <span class="keyword">static</span> <a class="code" href="structlist__t.html" title="list object">list_t</a> <a class="code" href="winscard__svc_8c.html#a88deac193f649cdf5bd8e1c2cc4d5e65" title="Context tracking list.">contextsList</a>;
<a name="l00057"></a><a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da">00057</a> pthread_mutex_t <a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>;
<a name="l00059"></a><a class="code" href="struct__psContext.html">00059</a> <span class="keyword">struct </span><a class="code" href="struct__psContext.html">_psContext</a>
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 int32_t hContext;
<a name="l00062"></a>00062 <a class="code" href="structlist__t.html" title="list object">list_t</a> cardsList;
<a name="l00063"></a><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75">00063</a> pthread_mutex_t <a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>;
<a name="l00064"></a><a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa">00064</a> uint32_t <a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa" title="Connection ID used to reference the Client.">dwClientID</a>;
<a name="l00065"></a><a class="code" href="struct__psContext.html#a718c57847779ba5a7a45a648c86d2aa7">00065</a> pthread_t <a class="code" href="struct__psContext.html#a718c57847779ba5a7a45a648c86d2aa7" title="Event polling thread's ID.">pthThread</a>;
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct__psContext.html">_psContext</a> <a class="code" href="struct__psContext.html">SCONTEXT</a>;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">static</span> LONG MSGCheckHandleAssociation(<a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a>, <a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00070"></a>00070 <span class="keyword">static</span> LONG MSGAddContext(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a>, <a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00071"></a>00071 <span class="keyword">static</span> LONG MSGRemoveContext(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a>, <a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00072"></a>00072 <span class="keyword">static</span> LONG MSGAddHandle(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a>, <a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a>, <a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00073"></a>00073 <span class="keyword">static</span> LONG MSGRemoveHandle(<a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a>, <a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00074"></a>00074 <span class="keyword">static</span> LONG MSGCleanupClient(<a class="code" href="struct__psContext.html">SCONTEXT</a> *);
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keywordtype">void</span> ContextThread(LPVOID pdwIndex);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">extern</span> <a class="code" href="structpubReaderStatesList.html" title="Define an exported public reader state structure so each application gets instant notification of cha...">READER_STATE</a> <a class="code" href="winscard__clnt_8c.html#ad70f4ad5a6e9b001970ee9afc2130875" title="Area used to read status information about the readers.">readerStates</a>[<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="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">int</span> contextsListhContext_seeker(<span class="keyword">const</span> <span class="keywordtype">void</span> *el, <span class="keyword">const</span> <span class="keywordtype">void</span> *key)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="keyword">const</span> <a class="code" href="struct__psContext.html">SCONTEXT</a> * currentContext = (<a class="code" href="struct__psContext.html">SCONTEXT</a> *)el;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordflow">if</span> ((el == NULL) || (key == NULL))
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"called with NULL pointer: el=%X, key=%X"</span>,
<a name="l00087"></a>00087 el, key);
<a name="l00088"></a>00088 <span class="keywordflow">return</span> 0;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (currentContext->hContext == *(int32_t *)key)
<a name="l00092"></a>00092 <span class="keywordflow">return</span> 1;
<a name="l00093"></a>00093 <span class="keywordflow">return</span> 0;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 LONG ContextsInitialize(<span class="keywordtype">int</span> customMaxThreadCounter,
<a name="l00097"></a>00097 <span class="keywordtype">int</span> customMaxThreadCardHandles)
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 <span class="keywordtype">int</span> lrv = 0;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (customMaxThreadCounter != 0)
<a name="l00102"></a>00102 contextMaxThreadCounter = customMaxThreadCounter;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (customMaxThreadCardHandles != 0)
<a name="l00105"></a>00105 contextMaxCardHandles = customMaxThreadCardHandles;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 lrv = list_init(&contextsList);
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_init failed with return value: %d"</span>, lrv);
<a name="l00111"></a>00111 <span class="keywordflow">return</span> -1;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 lrv = list_attributes_seeker(& contextsList, contextsListhContext_seeker);
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 Log2(PCSC_LOG_CRITICAL,
<a name="l00117"></a>00117 <span class="stringliteral">"list_attributes_seeker failed with return value: %d"</span>, lrv);
<a name="l00118"></a>00118 <span class="keywordflow">return</span> -1;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 (void)pthread_mutex_init(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>, NULL);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordflow">return</span> 1;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordtype">void</span> ContextsDeinitialize(<span class="keywordtype">void</span>)
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 <span class="keywordtype">int</span> listSize;
<a name="l00129"></a>00129 listSize = list_size(&contextsList);
<a name="l00130"></a>00130 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"remaining threads: %d"</span>, listSize);
<a name="l00131"></a>00131 <span class="comment">/* This is currently a no-op. It should terminate the threads properly. */</span>
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00144"></a><a class="code" href="winscard__svc_8h.html#a5bac068a14cc933543a00b61673cb573">00144</a> LONG <a class="code" href="winscard__svc_8c.html#a6197ae4c69296f7c85c7122d5169033b" title="Creates threads to handle messages received from Clients.">CreateContextThread</a>(uint32_t *pdwClientID)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordtype">int</span> rv;
<a name="l00147"></a>00147 <span class="keywordtype">int</span> lrv;
<a name="l00148"></a>00148 <span class="keywordtype">int</span> listSize;
<a name="l00149"></a>00149 <a class="code" href="struct__psContext.html">SCONTEXT</a> * newContext = NULL;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 (void)pthread_mutex_lock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00152"></a>00152 listSize = list_size(&contextsList);
<a name="l00153"></a>00153 (void)pthread_mutex_unlock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (listSize >= contextMaxThreadCounter)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"Too many context running: %d"</span>, listSize);
<a name="l00158"></a>00158 <span class="keywordflow">goto</span> error;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="comment">/* Create the context for this thread. */</span>
<a name="l00162"></a>00162 newContext = malloc(<span class="keyword">sizeof</span>(*newContext));
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (NULL == newContext)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Could not allocate new context"</span>);
<a name="l00166"></a>00166 <span class="keywordflow">goto</span> error;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 memset(newContext, 0, <span class="keyword">sizeof</span>(*newContext));
<a name="l00169"></a>00169
<a name="l00170"></a>00170 newContext-><a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa" title="Connection ID used to reference the Client.">dwClientID</a> = *pdwClientID;
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="comment">/* Initialise the list of card contexts */</span>
<a name="l00173"></a>00173 lrv = list_init(&(newContext->cardsList));
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_init failed with return value: %d"</span>, lrv);
<a name="l00177"></a>00177 <span class="keywordflow">goto</span> error;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">/* request to store copies, and provide the metric function */</span>
<a name="l00181"></a>00181 list_attributes_copy(&(newContext->cardsList), list_meter_int32_t, 1);
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="comment">/* Adding a comparator</span>
<a name="l00184"></a>00184 <span class="comment"> * The stored type is SCARDHANDLE (long) but has only 32 bits</span>
<a name="l00185"></a>00185 <span class="comment"> * usefull even on a 64-bit CPU since the API between pcscd and</span>
<a name="l00186"></a>00186 <span class="comment"> * libpcscliter uses "int32_t hCard;"</span>
<a name="l00187"></a>00187 <span class="comment"> */</span>
<a name="l00188"></a>00188 lrv = list_attributes_comparator(&(newContext->cardsList),
<a name="l00189"></a>00189 list_comparator_int32_t);
<a name="l00190"></a>00190 <span class="keywordflow">if</span> (lrv != 0)
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 Log2(PCSC_LOG_CRITICAL,
<a name="l00193"></a>00193 <span class="stringliteral">"list_attributes_comparator failed with return value: %d"</span>, lrv);
<a name="l00194"></a>00194 list_destroy(&(newContext->cardsList));
<a name="l00195"></a>00195 <span class="keywordflow">goto</span> error;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 (void)pthread_mutex_init(&newContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>, NULL);
<a name="l00199"></a>00199
<a name="l00200"></a>00200 (void)pthread_mutex_lock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00201"></a>00201 lrv = list_append(&contextsList, newContext);
<a name="l00202"></a>00202 (void)pthread_mutex_unlock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00203"></a>00203 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_append failed with return value: %d"</span>,
<a name="l00206"></a>00206 lrv);
<a name="l00207"></a>00207 list_destroy(&(newContext->cardsList));
<a name="l00208"></a>00208 <span class="keywordflow">goto</span> error;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 rv = ThreadCreate(&(newContext-><a class="code" href="struct__psContext.html#a718c57847779ba5a7a45a648c86d2aa7" title="Event polling thread's ID.">pthThread</a>), THREAD_ATTR_DETACHED,
<a name="l00212"></a>00212 (PCSCLITE_THREAD_FUNCTION( )) ContextThread, (LPVOID) newContext);
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (rv)
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <span class="keywordtype">int</span> lrv2;
<a name="l00216"></a>00216
<a name="l00217"></a>00217 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"ThreadCreate failed: %s"</span>, strerror(rv));
<a name="l00218"></a>00218 (void)pthread_mutex_lock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00219"></a>00219 lrv2 = list_delete(&contextsList, newContext);
<a name="l00220"></a>00220 (void)pthread_mutex_unlock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (lrv2 < 0)
<a name="l00222"></a>00222 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_delete failed with error %d"</span>, lrv2);
<a name="l00223"></a>00223 list_destroy(&(newContext->cardsList));
<a name="l00224"></a>00224 <span class="keywordflow">goto</span> error;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="comment">/* disable any suicide alarm */</span>
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (<a class="code" href="pcscdaemon_8c.html#ad41ba79cd2bc62973c95f29d1292b0a6" title="Represents an Application Context on the Server side.">AutoExit</a>)
<a name="l00229"></a>00229 alarm(0);
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">return</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>;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 error:
<a name="l00234"></a>00234 <span class="keywordflow">if</span> (newContext)
<a name="l00235"></a>00235 free(newContext);
<a name="l00236"></a>00236 (void)close(*pdwClientID);
<a name="l00237"></a>00237 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a81694393a1494d5091145734a2f0b36c" title="Not enough memory available to complete this command.">SCARD_E_NO_MEMORY</a>;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">/*</span>
<a name="l00241"></a>00241 <span class="comment"> * A list of local functions used to keep track of clients and their</span>
<a name="l00242"></a>00242 <span class="comment"> * connections</span>
<a name="l00243"></a>00243 <span class="comment"> */</span>
<a name="l00244"></a>00244
<a name="l00253"></a>00253 <span class="preprocessor">#ifndef NO_LOG</span>
<a name="l00254"></a><a class="code" href="winscard__svc_8c.html#a7e0939c34e53323d54001986fe0ef3d8">00254</a> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="winscard__svc_8c.html#a7e0939c34e53323d54001986fe0ef3d8" title="Handles messages received from Clients.">CommandsText</a>[] = {
<a name="l00255"></a>00255 <span class="stringliteral">"NULL"</span>,
<a name="l00256"></a>00256 <span class="stringliteral">"ESTABLISH_CONTEXT"</span>, <span class="comment">/* 0x01 */</span>
<a name="l00257"></a>00257 <span class="stringliteral">"RELEASE_CONTEXT"</span>,
<a name="l00258"></a>00258 <span class="stringliteral">"LIST_READERS"</span>,
<a name="l00259"></a>00259 <span class="stringliteral">"CONNECT"</span>,
<a name="l00260"></a>00260 <span class="stringliteral">"RECONNECT"</span>, <span class="comment">/* 0x05 */</span>
<a name="l00261"></a>00261 <span class="stringliteral">"DISCONNECT"</span>,
<a name="l00262"></a>00262 <span class="stringliteral">"BEGIN_TRANSACTION"</span>,
<a name="l00263"></a>00263 <span class="stringliteral">"END_TRANSACTION"</span>,
<a name="l00264"></a>00264 <span class="stringliteral">"TRANSMIT"</span>,
<a name="l00265"></a>00265 <span class="stringliteral">"CONTROL"</span>, <span class="comment">/* 0x0A */</span>
<a name="l00266"></a>00266 <span class="stringliteral">"STATUS"</span>,
<a name="l00267"></a>00267 <span class="stringliteral">"GET_STATUS_CHANGE"</span>,
<a name="l00268"></a>00268 <span class="stringliteral">"CANCEL"</span>,
<a name="l00269"></a>00269 <span class="stringliteral">"CANCEL_TRANSACTION"</span>,
<a name="l00270"></a>00270 <span class="stringliteral">"GET_ATTRIB"</span>, <span class="comment">/* 0x0F */</span>
<a name="l00271"></a>00271 <span class="stringliteral">"SET_ATTRIB"</span>,
<a name="l00272"></a>00272 <span class="stringliteral">"CMD_VERSION"</span>,
<a name="l00273"></a>00273 <span class="stringliteral">"CMD_GET_READERS_STATE"</span>,
<a name="l00274"></a>00274 <span class="stringliteral">"CMD_WAIT_READER_STATE_CHANGE"</span>,
<a name="l00275"></a>00275 <span class="stringliteral">"CMD_STOP_WAITING_READER_STATE_CHANGE"</span>, <span class="comment">/* 0x14 */</span>
<a name="l00276"></a>00276 <span class="stringliteral">"NULL"</span>
<a name="l00277"></a>00277 };
<a name="l00278"></a>00278 <span class="preprocessor">#endif</span>
<a name="l00279"></a>00279 <span class="preprocessor"></span>
<a name="l00280"></a>00280 <span class="preprocessor">#define READ_BODY(v) \</span>
<a name="l00281"></a>00281 <span class="preprocessor"> if (header.size != sizeof(v)) { goto wrong_length; } \</span>
<a name="l00282"></a>00282 <span class="preprocessor"> ret = MessageReceive(&v, sizeof(v), filedes); \</span>
<a name="l00283"></a>00283 <span class="preprocessor"> if (ret != SCARD_S_SUCCESS) { Log2(PCSC_LOG_DEBUG, "Client die: %d", filedes); goto exit; }</span>
<a name="l00284"></a>00284 <span class="preprocessor"></span>
<a name="l00285"></a>00285 <span class="preprocessor">#define WRITE_BODY(v) \</span>
<a name="l00286"></a>00286 <span class="preprocessor"> WRITE_BODY_WITH_COMMAND(CommandsText[header.command], v)</span>
<a name="l00287"></a>00287 <span class="preprocessor"></span><span class="preprocessor">#define WRITE_BODY_WITH_COMMAND(command, v) \</span>
<a name="l00288"></a>00288 <span class="preprocessor"> Log4(PCSC_LOG_DEBUG, "%s rv=0x%X for client %d", command, v.rv, filedes); \</span>
<a name="l00289"></a>00289 <span class="preprocessor"> ret = MessageSend(&v, sizeof(v), filedes);</span>
<a name="l00290"></a>00290 <span class="preprocessor"></span>
<a name="l00291"></a>00291 <span class="keyword">static</span> <span class="keywordtype">void</span> ContextThread(LPVOID newContext)
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293 <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext = (<a class="code" href="struct__psContext.html">SCONTEXT</a> *) newContext;
<a name="l00294"></a>00294 int32_t filedes = threadContext-><a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa" title="Connection ID used to reference the Client.">dwClientID</a>;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 Log3(PCSC_LOG_DEBUG, <span class="stringliteral">"Thread is started: dwClientID=%d, threadContext @%X"</span>,
<a name="l00297"></a>00297 threadContext-><a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa" title="Connection ID used to reference the Client.">dwClientID</a>, threadContext);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">while</span> (1)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keyword">struct </span><a class="code" href="structrxHeader.html" title="header structure for client/server message data exchange.">rxHeader</a> header;
<a name="l00302"></a>00302 int32_t ret = <a class="code" href="winscard__msg_8c.html#adbb09969d5d410393ae441b9a18c7a0c" title="Called by the Client to get the reponse from the server or vice-versa.">MessageReceive</a>(&header, <span class="keyword">sizeof</span>(header), filedes);
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (ret != <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>)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 <span class="comment">/* Clean up the dead client */</span>
<a name="l00307"></a>00307 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Client die: %d"</span>, filedes);
<a name="l00308"></a>00308 <a class="code" href="eventhandler_8c.html#a37ebfbc3287ee2ea69a60e87fead19e4" title="Try to unregisted a client If no client is found then do not log an error.">EHTryToUnregisterClientForEvent</a>(filedes);
<a name="l00309"></a>00309 <span class="keywordflow">goto</span> exit;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">if</span> ((header.command > CMD_ENUM_FIRST)
<a name="l00313"></a>00313 && (header.command < CMD_ENUM_LAST))
<a name="l00314"></a>00314 Log3(PCSC_LOG_DEBUG, <span class="stringliteral">"Received command: %s from client %d"</span>,
<a name="l00315"></a>00315 CommandsText[header.command], filedes);
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="keywordflow">switch</span> (header.command)
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 <span class="comment">/* pcsc-lite client/server protocol version */</span>
<a name="l00320"></a>00320 <span class="keywordflow">case</span> <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca775afaef84c85d8173a20debb1a9e2ef" title="get the client/server protocol version">CMD_VERSION</a>:
<a name="l00321"></a>00321 {
<a name="l00322"></a>00322 <span class="keyword">struct </span><a class="code" href="structversion__struct.html" title="Information transmitted in CMD_VERSION Messages.">version_struct</a> veStr;
<a name="l00323"></a>00323
<a name="l00324"></a>00324 READ_BODY(veStr)
<a name="l00325"></a>00325
<a name="l00326"></a>00326 Log3(PCSC_LOG_DEBUG, "Client is protocol version %d:%d",
<a name="l00327"></a>00327 veStr.<a class="code" href="structversion__struct.html#a32863448345f9226766e08966d89b726" title="IPC major PROTOCOL_VERSION_MAJOR.">major</a>, veStr.<a class="code" href="structversion__struct.html#a5eba3ab76bf8a5f0b97cd574b487b3d0" title="IPC minor PROTOCOL_VERSION_MINOR.">minor</a>);
<a name="l00328"></a>00328
<a name="l00329"></a>00329 veStr.rv = <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>;
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="comment">/* client and server use different protocol */</span>
<a name="l00332"></a>00332 if ((veStr.major != <a class="code" href="winscard__msg_8h.html#a2ec4920ff3b207d71c2ae86d807dbdd7" title="Major version of the current message protocol.">PROTOCOL_VERSION_MAJOR</a>)
<a name="l00333"></a>00333 || (veStr.minor != <a class="code" href="winscard__msg_8h.html#a9ff5cd412ba2c8563fa89754cf534d41" title="Minor version of the current message protocol.">PROTOCOL_VERSION_MINOR</a>))
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"Client protocol is %d:%d"</span>,
<a name="l00336"></a>00336 veStr.major, veStr.minor);
<a name="l00337"></a>00337 Log3(PCSC_LOG_CRITICAL, <span class="stringliteral">"Server protocol is %d:%d"</span>,
<a name="l00338"></a>00338 <a class="code" href="winscard__msg_8h.html#a2ec4920ff3b207d71c2ae86d807dbdd7" title="Major version of the current message protocol.">PROTOCOL_VERSION_MAJOR</a>, PROTOCOL_VERSION_MINOR);
<a name="l00339"></a>00339 veStr.rv = <a class="code" href="pcsclite_8h.html#ad4729ab109ff490285d2ad881c04bee8" title="The Smart card resource manager is not running.">SCARD_E_NO_SERVICE</a>;
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <span class="comment">/* set the server protocol version */</span>
<a name="l00343"></a>00343 veStr.major = <a class="code" href="winscard__msg_8h.html#a2ec4920ff3b207d71c2ae86d807dbdd7" title="Major version of the current message protocol.">PROTOCOL_VERSION_MAJOR</a>;
<a name="l00344"></a>00344 veStr.minor = <a class="code" href="winscard__msg_8h.html#a9ff5cd412ba2c8563fa89754cf534d41" title="Minor version of the current message protocol.">PROTOCOL_VERSION_MINOR</a>;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">/* send back the response */</span>
<a name="l00347"></a>00347 WRITE_BODY(veStr)
<a name="l00348"></a>00348 }
<a name="l00349"></a>00349 <span class="keywordflow">break</span>;
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="keywordflow">case</span> <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca192ae79f1c5d3d5f72f2b1c66d0b1cb8" title="get the readers state">CMD_GET_READERS_STATE</a>:
<a name="l00352"></a>00352 {
<a name="l00353"></a>00353 <span class="comment">/* nothing to read */</span>
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <span class="comment">/* wait until all readers are ready */</span>
<a name="l00356"></a>00356 RFWaitForReaderInit();
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="comment">/* dump the readers state */</span>
<a name="l00359"></a>00359 ret = <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend</a>(readerStates, <span class="keyword">sizeof</span>(readerStates), filedes);
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361 <span class="keywordflow">break</span>;
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">case</span> <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca7afd6740fc03a9c4395de07b6b29ad40" title="wait for a reader state change">CMD_WAIT_READER_STATE_CHANGE</a>:
<a name="l00364"></a>00364 {
<a name="l00365"></a>00365 <span class="keyword">struct </span><a class="code" href="structwait__reader__state__change.html" title="Information contained in CMD_WAIT_READER_STATE_CHANGE Messages.">wait_reader_state_change</a> waStr;
<a name="l00366"></a>00366
<a name="l00367"></a>00367 READ_BODY(waStr)
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="comment">/* add the client fd to the list */</span>
<a name="l00370"></a>00370 EHRegisterClientForEvent(filedes);
<a name="l00371"></a>00371
<a name="l00372"></a>00372 <span class="comment">/* We do not send anything here.</span>
<a name="l00373"></a>00373 <span class="comment"> * Either the client will timeout or the server will</span>
<a name="l00374"></a>00374 <span class="comment"> * answer if an event occurs */</span>
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376 break;
<a name="l00377"></a>00377
<a name="l00378"></a>00378 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca0e6dde8afb7713e6973888b536ec7d79" title="stop waiting for a reader state change">CMD_STOP_WAITING_READER_STATE_CHANGE</a>:
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380 <span class="keyword">struct </span><a class="code" href="structwait__reader__state__change.html" title="Information contained in CMD_WAIT_READER_STATE_CHANGE Messages.">wait_reader_state_change</a> waStr;
<a name="l00381"></a>00381
<a name="l00382"></a>00382 READ_BODY(waStr)
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="comment">/* add the client fd to the list */</span>
<a name="l00385"></a>00385 waStr.rv = <a class="code" href="eventhandler_8c.html#aa1391089c844599baf0cb4c95f8b0f75" title="Unregister a client and log an error if the client is not found.">EHUnregisterClientForEvent</a>(filedes);
<a name="l00386"></a>00386
<a name="l00387"></a>00387 WRITE_BODY(waStr)
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 break;
<a name="l00390"></a>00390
<a name="l00391"></a>00391 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaf90d9882a83562f678f57ce8de9a51a1" title="used by SCardEstablishContext()">SCARD_ESTABLISH_CONTEXT</a>:
<a name="l00392"></a>00392 {
<a name="l00393"></a>00393 <span class="keyword">struct </span><a class="code" href="structestablish__struct.html" title="Information contained in SCARD_ESTABLISH_CONTEXT Messages.">establish_struct</a> esStr;
<a name="l00394"></a>00394 <a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a> hContext;
<a name="l00395"></a>00395
<a name="l00396"></a>00396 READ_BODY(esStr)
<a name="l00397"></a>00397
<a name="l00398"></a>00398 hContext = esStr.hContext;
<a name="l00399"></a>00399 esStr.rv = <a class="code" href="group__API.html#gaa1b8970169fd4883a6dc4a8f43f19b67" title="Creates an Application Context to the PC/SC Resource Manager.">SCardEstablishContext</a>(esStr.dwScope, 0, 0,
<a name="l00400"></a>00400 &hContext);
<a name="l00401"></a>00401 esStr.hContext = hContext;
<a name="l00402"></a>00402
<a name="l00403"></a>00403 if (esStr.rv == <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>)
<a name="l00404"></a>00404 esStr.rv = MSGAddContext(esStr.hContext, threadContext);
<a name="l00405"></a>00405
<a name="l00406"></a>00406 WRITE_BODY(esStr)
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 break;
<a name="l00409"></a>00409
<a name="l00410"></a>00410 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca072877189b15a07bbc7918a7fdd2a573" title="used by SCardReleaseContext()">SCARD_RELEASE_CONTEXT</a>:
<a name="l00411"></a>00411 {
<a name="l00412"></a>00412 <span class="keyword">struct </span><a class="code" href="structrelease__struct.html" title="Information contained in SCARD_RELEASE_CONTEXT Messages.">release_struct</a> reStr;
<a name="l00413"></a>00413
<a name="l00414"></a>00414 READ_BODY(reStr)
<a name="l00415"></a>00415
<a name="l00416"></a>00416 reStr.rv = <a class="code" href="group__API.html#ga6aabcba7744c5c9419fdd6404f73a934" title="Destroys a communication context to the PC/SC Resource Manager.">SCardReleaseContext</a>(reStr.hContext);
<a name="l00417"></a>00417
<a name="l00418"></a>00418 if (reStr.rv == <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>)
<a name="l00419"></a>00419 reStr.rv = MSGRemoveContext(reStr.hContext, threadContext);
<a name="l00420"></a>00420
<a name="l00421"></a>00421 WRITE_BODY(reStr)
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423 break;
<a name="l00424"></a>00424
<a name="l00425"></a>00425 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcae4539f439555e7f577f08de789fd4e2c" title="used by SCardConnect()">SCARD_CONNECT</a>:
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 <span class="keyword">struct </span><a class="code" href="structconnect__struct.html" title="contained in SCARD_CONNECT Messages.">connect_struct</a> coStr;
<a name="l00428"></a>00428 <a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a> hCard;
<a name="l00429"></a>00429 DWORD dwActiveProtocol;
<a name="l00430"></a>00430
<a name="l00431"></a>00431 READ_BODY(coStr)
<a name="l00432"></a>00432
<a name="l00433"></a>00433 hCard = coStr.hCard;
<a name="l00434"></a>00434 dwActiveProtocol = coStr.dwActiveProtocol;
<a name="l00435"></a>00435
<a name="l00436"></a>00436 coStr.rv = <a class="code" href="group__API.html#ga4e515829752e0a8dbc4d630696a8d6a5" title="Establishes a connection to the reader specified in * szReader.">SCardConnect</a>(coStr.hContext, coStr.szReader,
<a name="l00437"></a>00437 coStr.dwShareMode, coStr.dwPreferredProtocols,
<a name="l00438"></a>00438 &hCard, &dwActiveProtocol);
<a name="l00439"></a>00439
<a name="l00440"></a>00440 coStr.hCard = hCard;
<a name="l00441"></a>00441 coStr.dwActiveProtocol = dwActiveProtocol;
<a name="l00442"></a>00442
<a name="l00443"></a>00443 if (coStr.rv == <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>)
<a name="l00444"></a>00444 coStr.rv = MSGAddHandle(coStr.hContext, coStr.hCard,
<a name="l00445"></a>00445 threadContext);
<a name="l00446"></a>00446
<a name="l00447"></a>00447 WRITE_BODY(coStr)
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449 break;
<a name="l00450"></a>00450
<a name="l00451"></a>00451 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8b46439f3998639c1935c51fb984794f" title="used by SCardReconnect()">SCARD_RECONNECT</a>:
<a name="l00452"></a>00452 {
<a name="l00453"></a>00453 <span class="keyword">struct </span><a class="code" href="structreconnect__struct.html" title="contained in SCARD_RECONNECT Messages.">reconnect_struct</a> rcStr;
<a name="l00454"></a>00454 DWORD dwActiveProtocol;
<a name="l00455"></a>00455
<a name="l00456"></a>00456 READ_BODY(rcStr)
<a name="l00457"></a>00457
<a name="l00458"></a>00458 if (MSGCheckHandleAssociation(rcStr.hCard, threadContext))
<a name="l00459"></a>00459 goto exit;
<a name="l00460"></a>00460
<a name="l00461"></a>00461 rcStr.rv = <a class="code" href="group__API.html#gad5d4393ca8c470112ad9468c44ed8940" title="Reestablishes a connection to a reader that was previously connected to using SCardConnect().">SCardReconnect</a>(rcStr.hCard, rcStr.dwShareMode,
<a name="l00462"></a>00462 rcStr.dwPreferredProtocols, rcStr.dwInitialization,
<a name="l00463"></a>00463 &dwActiveProtocol);
<a name="l00464"></a>00464 rcStr.dwActiveProtocol = dwActiveProtocol;
<a name="l00465"></a>00465
<a name="l00466"></a>00466 WRITE_BODY(rcStr)
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468 break;
<a name="l00469"></a>00469
<a name="l00470"></a>00470 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca014966b0829c1dd57df6c62a53c7c9f0" title="used by SCardDisconnect()">SCARD_DISCONNECT</a>:
<a name="l00471"></a>00471 {
<a name="l00472"></a>00472 <span class="keyword">struct </span><a class="code" href="structdisconnect__struct.html" title="contained in SCARD_DISCONNECT Messages.">disconnect_struct</a> diStr;
<a name="l00473"></a>00473
<a name="l00474"></a>00474 READ_BODY(diStr)
<a name="l00475"></a>00475
<a name="l00476"></a>00476 if (MSGCheckHandleAssociation(diStr.hCard, threadContext))
<a name="l00477"></a>00477 goto exit;
<a name="l00478"></a>00478
<a name="l00479"></a>00479 diStr.rv = <a class="code" href="group__API.html#ga4be198045c73ec0deb79e66c0ca1738a" title="Terminates a connection made through SCardConnect().">SCardDisconnect</a>(diStr.hCard, diStr.dwDisposition);
<a name="l00480"></a>00480
<a name="l00481"></a>00481 if (<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> == diStr.rv)
<a name="l00482"></a>00482 diStr.rv = MSGRemoveHandle(diStr.hCard, threadContext);
<a name="l00483"></a>00483
<a name="l00484"></a>00484 WRITE_BODY(diStr)
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 break;
<a name="l00487"></a>00487
<a name="l00488"></a>00488 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaa49e6ed0bf4f1b9fe85c23699fdac94c" title="used by SCardBeginTransaction()">SCARD_BEGIN_TRANSACTION</a>:
<a name="l00489"></a>00489 {
<a name="l00490"></a>00490 <span class="keyword">struct </span><a class="code" href="structbegin__struct.html" title="contained in SCARD_BEGIN_TRANSACTION Messages.">begin_struct</a> beStr;
<a name="l00491"></a>00491
<a name="l00492"></a>00492 READ_BODY(beStr)
<a name="l00493"></a>00493
<a name="l00494"></a>00494 if (MSGCheckHandleAssociation(beStr.hCard, threadContext))
<a name="l00495"></a>00495 goto exit;
<a name="l00496"></a>00496
<a name="l00497"></a>00497 beStr.rv = <a class="code" href="group__API.html#gaddb835dce01a0da1d6ca02d33ee7d861" title="Establishes a temporary exclusive access mode for doing a serie of commands in a transaction.">SCardBeginTransaction</a>(beStr.hCard);
<a name="l00498"></a>00498
<a name="l00499"></a>00499 WRITE_BODY(beStr)
<a name="l00500"></a>00500 }
<a name="l00501"></a>00501 break;
<a name="l00502"></a>00502
<a name="l00503"></a>00503 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac03f9c354d75ab9e5b53d0af82b2f7ff" title="used by SCardEndTransaction()">SCARD_END_TRANSACTION</a>:
<a name="l00504"></a>00504 {
<a name="l00505"></a>00505 <span class="keyword">struct </span><a class="code" href="structend__struct.html" title="contained in SCARD_END_TRANSACTION Messages.">end_struct</a> enStr;
<a name="l00506"></a>00506
<a name="l00507"></a>00507 READ_BODY(enStr)
<a name="l00508"></a>00508
<a name="l00509"></a>00509 if (MSGCheckHandleAssociation(enStr.hCard, threadContext))
<a name="l00510"></a>00510 goto exit;
<a name="l00511"></a>00511
<a name="l00512"></a>00512 enStr.rv = <a class="code" href="group__API.html#gae8742473b404363e5c587f570d7e2f3b" title="Ends a previously begun transaction.">SCardEndTransaction</a>(enStr.hCard,
<a name="l00513"></a>00513 enStr.dwDisposition);
<a name="l00514"></a>00514
<a name="l00515"></a>00515 WRITE_BODY(enStr)
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 break;
<a name="l00518"></a>00518
<a name="l00519"></a>00519 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac0d6cd84c358c5f349cf40f4235791d0" title="used by SCardCancel()">SCARD_CANCEL</a>:
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 <span class="keyword">struct </span><a class="code" href="structcancel__struct.html" title="contained in SCARD_CANCEL Messages.">cancel_struct</a> caStr;
<a name="l00522"></a>00522 <a class="code" href="struct__psContext.html">SCONTEXT</a> * psTargetContext = NULL;
<a name="l00523"></a>00523 READ_BODY(caStr)
<a name="l00524"></a>00524
<a name="l00525"></a>00525 <span class="comment">/* find the client */</span>
<a name="l00526"></a>00526 (void)pthread_mutex_lock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00527"></a>00527 psTargetContext = (<a class="code" href="struct__psContext.html">SCONTEXT</a> *) list_seek(&contextsList,
<a name="l00528"></a>00528 &(caStr.hContext));
<a name="l00529"></a>00529 (void)pthread_mutex_unlock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00530"></a>00530 <span class="keywordflow">if</span> (psTargetContext != NULL)
<a name="l00531"></a>00531 {
<a name="l00532"></a>00532 uint32_t fd = psTargetContext->dwClientID;
<a name="l00533"></a>00533 caStr.rv = MSGSignalClient(fd, <a class="code" href="pcsclite_8h.html#a48cf91681fb2c14902bd41888cb5cf08" title="The action was cancelled by an SCardCancel request.">SCARD_E_CANCELLED</a>);
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535 <span class="keywordflow">else</span>
<a name="l00536"></a>00536 caStr.rv = <a class="code" href="pcsclite_8h.html#a05bdea2f2341e78d920885d1cc357676" title="The supplied handle was invalid.">SCARD_E_INVALID_HANDLE</a>;
<a name="l00537"></a>00537
<a name="l00538"></a>00538 WRITE_BODY(caStr)
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 <span class="keywordflow">break</span>;
<a name="l00541"></a>00541
<a name="l00542"></a>00542 <span class="keywordflow">case</span> <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8dd333ed3f05b986c67abbd6291d4188" title="used by SCardStatus()">SCARD_STATUS</a>:
<a name="l00543"></a>00543 {
<a name="l00544"></a>00544 <span class="keyword">struct </span><a class="code" href="structstatus__struct.html" title="contained in SCARD_STATUS Messages.">status_struct</a> stStr;
<a name="l00545"></a>00545
<a name="l00546"></a>00546 READ_BODY(stStr)
<a name="l00547"></a>00547
<a name="l00548"></a>00548 if (MSGCheckHandleAssociation(stStr.hCard, threadContext))
<a name="l00549"></a>00549 goto exit;
<a name="l00550"></a>00550
<a name="l00551"></a>00551 <span class="comment">/* only hCard and return value are used by the client */</span>
<a name="l00552"></a>00552 stStr.rv = <a class="code" href="group__API.html#ga18f33eebb45d9e0d2a091ca7a0511d26" title="Returns the current status of the reader connected to by hCard.">SCardStatus</a>(stStr.hCard, NULL, NULL, NULL,
<a name="l00553"></a>00553 NULL, 0, NULL);
<a name="l00554"></a>00554
<a name="l00555"></a>00555 WRITE_BODY(stStr)
<a name="l00556"></a>00556 }
<a name="l00557"></a>00557 break;
<a name="l00558"></a>00558
<a name="l00559"></a>00559 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaaa1c43a9cc7497df780b9e5a81a3abcb" title="used by SCardTransmit()">SCARD_TRANSMIT</a>:
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 <span class="keyword">struct </span><a class="code" href="structtransmit__struct.html" title="contained in SCARD_TRANSMIT Messages.">transmit_struct</a> trStr;
<a name="l00562"></a>00562 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pbSendBuffer[<a class="code" href="pcsclite_8h.html#ae128d4b6df34e2dfdb6216b31bae2cc6" title="enhanced (64K + APDU + Lc + Le) Tx/Rx Buffer">MAX_BUFFER_SIZE_EXTENDED</a>];
<a name="l00563"></a>00563 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pbRecvBuffer[<a class="code" href="pcsclite_8h.html#ae128d4b6df34e2dfdb6216b31bae2cc6" title="enhanced (64K + APDU + Lc + Le) Tx/Rx Buffer">MAX_BUFFER_SIZE_EXTENDED</a>];
<a name="l00564"></a>00564 <a class="code" href="structSCARD__IO__REQUEST.html" title="Protocol Control Information (PCI)">SCARD_IO_REQUEST</a> ioSendPci;
<a name="l00565"></a>00565 <a class="code" href="structSCARD__IO__REQUEST.html" title="Protocol Control Information (PCI)">SCARD_IO_REQUEST</a> ioRecvPci;
<a name="l00566"></a>00566 DWORD cbRecvLength;
<a name="l00567"></a>00567
<a name="l00568"></a>00568 READ_BODY(trStr)
<a name="l00569"></a>00569
<a name="l00570"></a>00570 if (MSGCheckHandleAssociation(trStr.hCard, threadContext))
<a name="l00571"></a>00571 goto exit;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="comment">/* avoids buffer overflow */</span>
<a name="l00574"></a>00574 if ((trStr.pcbRecvLength > sizeof(pbRecvBuffer))
<a name="l00575"></a>00575 || (trStr.cbSendLength > sizeof(pbSendBuffer)))
<a name="l00576"></a>00576 goto buffer_overflow;
<a name="l00577"></a>00577
<a name="l00578"></a>00578 <span class="comment">/* read sent buffer */</span>
<a name="l00579"></a>00579 ret = <a class="code" href="winscard__msg_8c.html#adbb09969d5d410393ae441b9a18c7a0c" title="Called by the Client to get the reponse from the server or vice-versa.">MessageReceive</a>(pbSendBuffer, trStr.cbSendLength, filedes);
<a name="l00580"></a>00580 if (ret != <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>)
<a name="l00581"></a>00581 {
<a name="l00582"></a>00582 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Client die: %d"</span>, filedes);
<a name="l00583"></a>00583 <span class="keywordflow">goto</span> exit;
<a name="l00584"></a>00584 }
<a name="l00585"></a>00585
<a name="l00586"></a>00586 ioSendPci.<a class="code" href="structSCARD__IO__REQUEST.html#a06a981d5eb5bae479767d77641d50002" title="Protocol identifier.">dwProtocol</a> = trStr.ioSendPciProtocol;
<a name="l00587"></a>00587 ioSendPci.<a class="code" href="structSCARD__IO__REQUEST.html#a90993ce745546245b494a35a9559a083" title="Protocol Control Inf Length.">cbPciLength</a> = trStr.ioSendPciLength;
<a name="l00588"></a>00588 ioRecvPci.<a class="code" href="structSCARD__IO__REQUEST.html#a06a981d5eb5bae479767d77641d50002" title="Protocol identifier.">dwProtocol</a> = trStr.ioRecvPciProtocol;
<a name="l00589"></a>00589 ioRecvPci.<a class="code" href="structSCARD__IO__REQUEST.html#a90993ce745546245b494a35a9559a083" title="Protocol Control Inf Length.">cbPciLength</a> = trStr.ioRecvPciLength;
<a name="l00590"></a>00590 cbRecvLength = trStr.pcbRecvLength;
<a name="l00591"></a>00591
<a name="l00592"></a>00592 trStr.rv = <a class="code" href="group__API.html#ga9a2d77242a271310269065e64633ab99" title="Sends an APDU to the smart card contained in the reader connected to by SCardConnect().">SCardTransmit</a>(trStr.hCard, &ioSendPci,
<a name="l00593"></a>00593 pbSendBuffer, trStr.cbSendLength, &ioRecvPci,
<a name="l00594"></a>00594 pbRecvBuffer, &cbRecvLength);
<a name="l00595"></a>00595
<a name="l00596"></a>00596 trStr.ioSendPciProtocol = ioSendPci.<a class="code" href="structSCARD__IO__REQUEST.html#a06a981d5eb5bae479767d77641d50002" title="Protocol identifier.">dwProtocol</a>;
<a name="l00597"></a>00597 trStr.ioSendPciLength = ioSendPci.<a class="code" href="structSCARD__IO__REQUEST.html#a90993ce745546245b494a35a9559a083" title="Protocol Control Inf Length.">cbPciLength</a>;
<a name="l00598"></a>00598 trStr.ioRecvPciProtocol = ioRecvPci.<a class="code" href="structSCARD__IO__REQUEST.html#a06a981d5eb5bae479767d77641d50002" title="Protocol identifier.">dwProtocol</a>;
<a name="l00599"></a>00599 trStr.ioRecvPciLength = ioRecvPci.<a class="code" href="structSCARD__IO__REQUEST.html#a90993ce745546245b494a35a9559a083" title="Protocol Control Inf Length.">cbPciLength</a>;
<a name="l00600"></a>00600 trStr.pcbRecvLength = cbRecvLength;
<a name="l00601"></a>00601
<a name="l00602"></a>00602 WRITE_BODY(trStr)
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <span class="comment">/* write received buffer */</span>
<a name="l00605"></a>00605 if (<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> == trStr.rv)
<a name="l00606"></a>00606 ret = <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend</a>(pbRecvBuffer, cbRecvLength, filedes);
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608 break;
<a name="l00609"></a>00609
<a name="l00610"></a>00610 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca50f40e02c69625cb2e03e7094ce9d8b1" title="used by SCardControl()">SCARD_CONTROL</a>:
<a name="l00611"></a>00611 {
<a name="l00612"></a>00612 <span class="keyword">struct </span><a class="code" href="structcontrol__struct.html" title="contained in SCARD_CONTROL Messages.">control_struct</a> ctStr;
<a name="l00613"></a>00613 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pbSendBuffer[<a class="code" href="pcsclite_8h.html#ae128d4b6df34e2dfdb6216b31bae2cc6" title="enhanced (64K + APDU + Lc + Le) Tx/Rx Buffer">MAX_BUFFER_SIZE_EXTENDED</a>];
<a name="l00614"></a>00614 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pbRecvBuffer[<a class="code" href="pcsclite_8h.html#ae128d4b6df34e2dfdb6216b31bae2cc6" title="enhanced (64K + APDU + Lc + Le) Tx/Rx Buffer">MAX_BUFFER_SIZE_EXTENDED</a>];
<a name="l00615"></a>00615 DWORD dwBytesReturned;
<a name="l00616"></a>00616
<a name="l00617"></a>00617 READ_BODY(ctStr)
<a name="l00618"></a>00618
<a name="l00619"></a>00619 if (MSGCheckHandleAssociation(ctStr.hCard, threadContext))
<a name="l00620"></a>00620 goto exit;
<a name="l00621"></a>00621
<a name="l00622"></a>00622 <span class="comment">/* avoids buffer overflow */</span>
<a name="l00623"></a>00623 if ((ctStr.cbRecvLength > sizeof(pbRecvBuffer))
<a name="l00624"></a>00624 || (ctStr.cbSendLength > sizeof(pbSendBuffer)))
<a name="l00625"></a>00625 {
<a name="l00626"></a>00626 <span class="keywordflow">goto</span> buffer_overflow;
<a name="l00627"></a>00627 }
<a name="l00628"></a>00628
<a name="l00629"></a>00629 <span class="comment">/* read sent buffer */</span>
<a name="l00630"></a>00630 ret = <a class="code" href="winscard__msg_8c.html#adbb09969d5d410393ae441b9a18c7a0c" title="Called by the Client to get the reponse from the server or vice-versa.">MessageReceive</a>(pbSendBuffer, ctStr.cbSendLength, filedes);
<a name="l00631"></a>00631 <span class="keywordflow">if</span> (ret != <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>)
<a name="l00632"></a>00632 {
<a name="l00633"></a>00633 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Client die: %d"</span>, filedes);
<a name="l00634"></a>00634 <span class="keywordflow">goto</span> exit;
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636
<a name="l00637"></a>00637 dwBytesReturned = ctStr.dwBytesReturned;
<a name="l00638"></a>00638
<a name="l00639"></a>00639 ctStr.rv = <a class="code" href="group__API.html#gac3454d4657110fd7f753b2d3d8f4e32f" title="Sends a command directly to the IFD Handler (reader driver) to be processed by the reader...">SCardControl</a>(ctStr.hCard, ctStr.dwControlCode,
<a name="l00640"></a>00640 pbSendBuffer, ctStr.cbSendLength,
<a name="l00641"></a>00641 pbRecvBuffer, ctStr.cbRecvLength,
<a name="l00642"></a>00642 &dwBytesReturned);
<a name="l00643"></a>00643
<a name="l00644"></a>00644 ctStr.dwBytesReturned = dwBytesReturned;
<a name="l00645"></a>00645
<a name="l00646"></a>00646 WRITE_BODY(ctStr)
<a name="l00647"></a>00647
<a name="l00648"></a>00648 <span class="comment">/* write received buffer */</span>
<a name="l00649"></a>00649 if (<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> == ctStr.rv)
<a name="l00650"></a>00650 ret = <a class="code" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend</a>(pbRecvBuffer, dwBytesReturned, filedes);
<a name="l00651"></a>00651 }
<a name="l00652"></a>00652 break;
<a name="l00653"></a>00653
<a name="l00654"></a>00654 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca9198ad4e3cd0613906124c5243e7c12e" title="used by SCardGetAttrib()">SCARD_GET_ATTRIB</a>:
<a name="l00655"></a>00655 {
<a name="l00656"></a>00656 <span class="keyword">struct </span><a class="code" href="structgetset__struct.html" title="contained in SCARD_GET_ATTRIB and Messages.">getset_struct</a> gsStr;
<a name="l00657"></a>00657 DWORD cbAttrLen;
<a name="l00658"></a>00658
<a name="l00659"></a>00659 READ_BODY(gsStr)
<a name="l00660"></a>00660
<a name="l00661"></a>00661 if (MSGCheckHandleAssociation(gsStr.hCard, threadContext))
<a name="l00662"></a>00662 goto exit;
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="comment">/* avoids buffer overflow */</span>
<a name="l00665"></a>00665 if (gsStr.cbAttrLen > sizeof(gsStr.pbAttr))
<a name="l00666"></a>00666 goto buffer_overflow;
<a name="l00667"></a>00667
<a name="l00668"></a>00668 cbAttrLen = gsStr.cbAttrLen;
<a name="l00669"></a>00669
<a name="l00670"></a>00670 gsStr.rv = <a class="code" href="group__API.html#gaacfec51917255b7a25b94c5104961602" title="Get an attribute from the IFD Handler (reader driver).">SCardGetAttrib</a>(gsStr.hCard, gsStr.dwAttrId,
<a name="l00671"></a>00671 gsStr.pbAttr, &cbAttrLen);
<a name="l00672"></a>00672
<a name="l00673"></a>00673 gsStr.cbAttrLen = cbAttrLen;
<a name="l00674"></a>00674
<a name="l00675"></a>00675 WRITE_BODY(gsStr)
<a name="l00676"></a>00676 }
<a name="l00677"></a>00677 break;
<a name="l00678"></a>00678
<a name="l00679"></a>00679 case <a class="code" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca068f22e88bd4939797c3c359c9fbf075" title="used by SCardSetAttrib()">SCARD_SET_ATTRIB</a>:
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681 <span class="keyword">struct </span><a class="code" href="structgetset__struct.html" title="contained in SCARD_GET_ATTRIB and Messages.">getset_struct</a> gsStr;
<a name="l00682"></a>00682
<a name="l00683"></a>00683 READ_BODY(gsStr)
<a name="l00684"></a>00684
<a name="l00685"></a>00685 if (MSGCheckHandleAssociation(gsStr.hCard, threadContext))
<a name="l00686"></a>00686 goto exit;
<a name="l00687"></a>00687
<a name="l00688"></a>00688 <span class="comment">/* avoids buffer overflow */</span>
<a name="l00689"></a>00689 if (gsStr.cbAttrLen > sizeof(gsStr.pbAttr))
<a name="l00690"></a>00690 goto buffer_overflow;
<a name="l00691"></a>00691
<a name="l00692"></a>00692 gsStr.rv = <a class="code" href="group__API.html#ga060f0038a4ddfd5dd2b8fadf3c3a2e4f" title="Set an attribute of the IFD Handler.">SCardSetAttrib</a>(gsStr.hCard, gsStr.dwAttrId,
<a name="l00693"></a>00693 gsStr.pbAttr, gsStr.cbAttrLen);
<a name="l00694"></a>00694
<a name="l00695"></a>00695 WRITE_BODY(gsStr)
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697 break;
<a name="l00698"></a>00698
<a name="l00699"></a>00699 default:
<a name="l00700"></a>00700 Log2(PCSC_LOG_CRITICAL, "Unknown command: %d", header.command);
<a name="l00701"></a>00701 goto exit;
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="comment">/* MessageSend() failed */</span>
<a name="l00705"></a>00705 if (ret != <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>)
<a name="l00706"></a>00706 {
<a name="l00707"></a>00707 <span class="comment">/* Clean up the dead client */</span>
<a name="l00708"></a>00708 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Client die: %d"</span>, filedes);
<a name="l00709"></a>00709 <span class="keywordflow">goto</span> exit;
<a name="l00710"></a>00710 }
<a name="l00711"></a>00711 }
<a name="l00712"></a>00712
<a name="l00713"></a>00713 buffer_overflow:
<a name="l00714"></a>00714 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Buffer overflow detected: %d"</span>, filedes);
<a name="l00715"></a>00715 <span class="keywordflow">goto</span> exit;
<a name="l00716"></a>00716 wrong_length:
<a name="l00717"></a>00717 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Wrong length: %d"</span>, filedes);
<a name="l00718"></a>00718 exit:
<a name="l00719"></a>00719 (void)close(filedes);
<a name="l00720"></a>00720 (void)MSGCleanupClient(threadContext);
<a name="l00721"></a>00721 (void)pthread_exit((LPVOID) NULL);
<a name="l00722"></a>00722 }
<a name="l00723"></a>00723
<a name="l00724"></a>00724 LONG MSGSignalClient(uint32_t filedes, LONG rv)
<a name="l00725"></a>00725 {
<a name="l00726"></a>00726 uint32_t ret;
<a name="l00727"></a>00727 <span class="keyword">struct </span><a class="code" href="structwait__reader__state__change.html" title="Information contained in CMD_WAIT_READER_STATE_CHANGE Messages.">wait_reader_state_change</a> waStr;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Signal client: %d"</span>, filedes);
<a name="l00730"></a>00730
<a name="l00731"></a>00731 waStr.rv = rv;
<a name="l00732"></a>00732 WRITE_BODY_WITH_COMMAND(<span class="stringliteral">"SIGNAL"</span>, waStr)
<a name="l00733"></a>00733
<a name="l00734"></a>00734 return ret;
<a name="l00735"></a>00735 } <span class="comment">/* MSGSignalClient */</span>
<a name="l00736"></a>00736
<a name="l00737"></a>00737 static LONG MSGAddContext(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a> hContext, <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00738"></a>00738 {
<a name="l00739"></a>00739 threadContext->hContext = hContext;
<a name="l00740"></a>00740 <span class="keywordflow">return</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>;
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742
<a name="l00743"></a>00743 <span class="keyword">static</span> LONG MSGRemoveContext(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a> hContext, <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00744"></a>00744 {
<a name="l00745"></a>00745 LONG rv;
<a name="l00746"></a>00746 <span class="keywordtype">int</span> lrv;
<a name="l00747"></a>00747
<a name="l00748"></a>00748 <span class="keywordflow">if</span> (threadContext->hContext != hContext)
<a name="l00749"></a>00749 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a9ece9fd9e68e4f802e16e951f8f2a642" title="One or more of the supplied parameters values could not be properly interpreted.">SCARD_E_INVALID_VALUE</a>;
<a name="l00750"></a>00750
<a name="l00751"></a>00751 (void)pthread_mutex_lock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00752"></a>00752 <span class="keywordflow">while</span> (list_size(&(threadContext->cardsList)) != 0)
<a name="l00753"></a>00753 {
<a name="l00754"></a>00754 <a class="code" href="structReaderContext.html">READER_CONTEXT</a> * rContext = NULL;
<a name="l00755"></a>00755 <a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a> hCard, hLockId;
<a name="l00756"></a>00756 <span class="keywordtype">void</span> *ptr;
<a name="l00757"></a>00757
<a name="l00758"></a>00758 <span class="comment">/*</span>
<a name="l00759"></a>00759 <span class="comment"> * Disconnect each of these just in case</span>
<a name="l00760"></a>00760 <span class="comment"> */</span>
<a name="l00761"></a>00761 ptr = list_get_at(&(threadContext->cardsList), 0);
<a name="l00762"></a>00762 <span class="keywordflow">if</span> (NULL == ptr)
<a name="l00763"></a>00763 {
<a name="l00764"></a>00764 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_get_at failed"</span>);
<a name="l00765"></a>00765 <span class="keywordflow">continue</span>;
<a name="l00766"></a>00766 }
<a name="l00767"></a>00767 hCard = *(int32_t *)ptr;
<a name="l00768"></a>00768
<a name="l00769"></a>00769 <span class="comment">/*</span>
<a name="l00770"></a>00770 <span class="comment"> * Unlock the sharing</span>
<a name="l00771"></a>00771 <span class="comment"> */</span>
<a name="l00772"></a>00772 rv = RFReaderInfoById(hCard, &rContext);
<a name="l00773"></a>00773 <span class="keywordflow">if</span> (rv != <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>)
<a name="l00774"></a>00774 {
<a name="l00775"></a>00775 (void)pthread_mutex_unlock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00776"></a>00776 <span class="keywordflow">return</span> rv;
<a name="l00777"></a>00777 }
<a name="l00778"></a>00778
<a name="l00779"></a>00779 hLockId = rContext-><a class="code" href="structReaderContext.html#a709439b280f5c7366f806423bfb5fdb5" title="Lock Id.">hLockId</a>;
<a name="l00780"></a>00780 rContext-><a class="code" href="structReaderContext.html#a709439b280f5c7366f806423bfb5fdb5" title="Lock Id.">hLockId</a> = 0;
<a name="l00781"></a>00781
<a name="l00782"></a>00782 <span class="keywordflow">if</span> (hCard != hLockId)
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 <span class="comment">/*</span>
<a name="l00785"></a>00785 <span class="comment"> * if the card is locked by someone else we do not reset it</span>
<a name="l00786"></a>00786 <span class="comment"> * and simulate a card removal</span>
<a name="l00787"></a>00787 <span class="comment"> */</span>
<a name="l00788"></a>00788 rv = <a class="code" href="pcsclite_8h.html#aa2efd953946973972b1afc5d0343820c" title="The smart card has been removed, so further communication is not possible.">SCARD_W_REMOVED_CARD</a>;
<a name="l00789"></a>00789 }
<a name="l00790"></a>00790 <span class="keywordflow">else</span>
<a name="l00791"></a>00791 {
<a name="l00792"></a>00792 <span class="comment">/*</span>
<a name="l00793"></a>00793 <span class="comment"> * We will use SCardStatus to see if the card has been</span>
<a name="l00794"></a>00794 <span class="comment"> * reset there is no need to reset each time</span>
<a name="l00795"></a>00795 <span class="comment"> * Disconnect is called</span>
<a name="l00796"></a>00796 <span class="comment"> */</span>
<a name="l00797"></a>00797 rv = <a class="code" href="group__API.html#ga18f33eebb45d9e0d2a091ca7a0511d26" title="Returns the current status of the reader connected to by hCard.">SCardStatus</a>(hCard, NULL, NULL, NULL, NULL, NULL, NULL);
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799
<a name="l00800"></a>00800 <span class="keywordflow">if</span> (rv == <a class="code" href="pcsclite_8h.html#a20fbb8319646f26c4ad7f237d1a64f0c" title="The smart card has been reset, so any shared state information is invalid.">SCARD_W_RESET_CARD</a> || rv == <a class="code" href="pcsclite_8h.html#aa2efd953946973972b1afc5d0343820c" title="The smart card has been removed, so further communication is not possible.">SCARD_W_REMOVED_CARD</a>)
<a name="l00801"></a>00801 (void)<a class="code" href="group__API.html#ga4be198045c73ec0deb79e66c0ca1738a" title="Terminates a connection made through SCardConnect().">SCardDisconnect</a>(hCard, <a class="code" href="pcsclite_8h.html#acf43bd7f99fbd970f331fc36ffbe8ca5" title="Do nothing on close.">SCARD_LEAVE_CARD</a>);
<a name="l00802"></a>00802 <span class="keywordflow">else</span>
<a name="l00803"></a>00803 (<span class="keywordtype">void</span>)<a class="code" href="group__API.html#ga4be198045c73ec0deb79e66c0ca1738a" title="Terminates a connection made through SCardConnect().">SCardDisconnect</a>(hCard, <a class="code" href="pcsclite_8h.html#a07feb710d597835d1afc5cfd2ef6ecef" title="Reset on close.">SCARD_RESET_CARD</a>);
<a name="l00804"></a>00804
<a name="l00805"></a>00805 <span class="comment">/* Remove entry from the list */</span>
<a name="l00806"></a>00806 lrv = list_delete_at(&(threadContext->cardsList), 0);
<a name="l00807"></a>00807 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00808"></a>00808 Log2(PCSC_LOG_CRITICAL,
<a name="l00809"></a>00809 <span class="stringliteral">"list_delete_at failed with return value: %d"</span>, lrv);
<a name="l00810"></a>00810 }
<a name="l00811"></a>00811 (void)pthread_mutex_unlock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00812"></a>00812 list_destroy(&(threadContext->cardsList));
<a name="l00813"></a>00813
<a name="l00814"></a>00814 <span class="comment">/* We only mark the context as no longer in use.</span>
<a name="l00815"></a>00815 <span class="comment"> * The memory is freed in MSGCleanupCLient() */</span>
<a name="l00816"></a>00816 threadContext->hContext = 0;
<a name="l00817"></a>00817
<a name="l00818"></a>00818 <span class="keywordflow">return</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>;
<a name="l00819"></a>00819 }
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="keyword">static</span> LONG MSGAddHandle(<a class="code" href="pcsclite_8h.html#a22530ffaff18b5d3e32260a5f1ce4abd" title="hContext returned by SCardEstablishContext()">SCARDCONTEXT</a> hContext, <a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a> hCard,
<a name="l00822"></a>00822 <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00823"></a>00823 {
<a name="l00824"></a>00824 <span class="keywordflow">if</span> (threadContext->hContext == hContext)
<a name="l00825"></a>00825 {
<a name="l00826"></a>00826 <span class="comment">/*</span>
<a name="l00827"></a>00827 <span class="comment"> * Find an empty spot to put the hCard value</span>
<a name="l00828"></a>00828 <span class="comment"> */</span>
<a name="l00829"></a>00829 <span class="keywordtype">int</span> listLength, lrv;
<a name="l00830"></a>00830
<a name="l00831"></a>00831 listLength = list_size(&(threadContext->cardsList));
<a name="l00832"></a>00832 <span class="keywordflow">if</span> (listLength >= contextMaxCardHandles)
<a name="l00833"></a>00833 {
<a name="l00834"></a>00834 Log4(PCSC_LOG_DEBUG,
<a name="l00835"></a>00835 <span class="stringliteral">"Too many card handles for thread context @%X: %d (max is %d)"</span>
<a name="l00836"></a>00836 <span class="stringliteral">"Restart pcscd with --max-card-handle-per-thread value"</span>,
<a name="l00837"></a>00837 threadContext, listLength, contextMaxCardHandles);
<a name="l00838"></a>00838 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a81694393a1494d5091145734a2f0b36c" title="Not enough memory available to complete this command.">SCARD_E_NO_MEMORY</a>;
<a name="l00839"></a>00839 }
<a name="l00840"></a>00840
<a name="l00841"></a>00841 (void)pthread_mutex_lock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00842"></a>00842 lrv = list_append(&(threadContext->cardsList), &hCard);
<a name="l00843"></a>00843 (void)pthread_mutex_unlock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00844"></a>00844 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00845"></a>00845 {
<a name="l00846"></a>00846 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_append failed with return value: %d"</span>,
<a name="l00847"></a>00847 lrv);
<a name="l00848"></a>00848 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a81694393a1494d5091145734a2f0b36c" title="Not enough memory available to complete this command.">SCARD_E_NO_MEMORY</a>;
<a name="l00849"></a>00849 }
<a name="l00850"></a>00850 <span class="keywordflow">return</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>;
<a name="l00851"></a>00851 }
<a name="l00852"></a>00852
<a name="l00853"></a>00853 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a9ece9fd9e68e4f802e16e951f8f2a642" title="One or more of the supplied parameters values could not be properly interpreted.">SCARD_E_INVALID_VALUE</a>;
<a name="l00854"></a>00854 }
<a name="l00855"></a>00855
<a name="l00856"></a>00856 <span class="keyword">static</span> LONG MSGRemoveHandle(<a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a> hCard, <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00857"></a>00857 {
<a name="l00858"></a>00858 <span class="keywordtype">int</span> lrv;
<a name="l00859"></a>00859
<a name="l00860"></a>00860 (void)pthread_mutex_lock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00861"></a>00861 lrv = list_delete(&(threadContext->cardsList), &hCard);
<a name="l00862"></a>00862 (void)pthread_mutex_unlock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00863"></a>00863 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00864"></a>00864 {
<a name="l00865"></a>00865 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_delete failed with error %d"</span>, lrv);
<a name="l00866"></a>00866 <span class="keywordflow">return</span> <a class="code" href="pcsclite_8h.html#a9ece9fd9e68e4f802e16e951f8f2a642" title="One or more of the supplied parameters values could not be properly interpreted.">SCARD_E_INVALID_VALUE</a>;
<a name="l00867"></a>00867 }
<a name="l00868"></a>00868
<a name="l00869"></a>00869 <span class="keywordflow">return</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>;
<a name="l00870"></a>00870 }
<a name="l00871"></a>00871
<a name="l00872"></a>00872
<a name="l00873"></a>00873 <span class="keyword">static</span> LONG MSGCheckHandleAssociation(<a class="code" href="pcsclite_8h.html#af328aca3e11de737ecd771bcf1f75fb5" title="hCard returned by SCardConnect()">SCARDHANDLE</a> hCard,
<a name="l00874"></a>00874 <a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00875"></a>00875 {
<a name="l00876"></a>00876 <span class="keywordtype">int</span> list_index = 0;
<a name="l00877"></a>00877
<a name="l00878"></a>00878 <span class="keywordflow">if</span> (0 == threadContext->hContext)
<a name="l00879"></a>00879 {
<a name="l00880"></a>00880 <span class="comment">/* the handle is no more valid. After SCardReleaseContext() for</span>
<a name="l00881"></a>00881 <span class="comment"> * example */</span>
<a name="l00882"></a>00882 Log1(PCSC_LOG_CRITICAL, <span class="stringliteral">"Invalidated handle"</span>);
<a name="l00883"></a>00883 <span class="keywordflow">return</span> -1;
<a name="l00884"></a>00884 }
<a name="l00885"></a>00885
<a name="l00886"></a>00886 (void)pthread_mutex_lock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00887"></a>00887 list_index = list_locate(&(threadContext->cardsList), &hCard);
<a name="l00888"></a>00888 (void)pthread_mutex_unlock(&threadContext-><a class="code" href="struct__psContext.html#a17c0a1d1c066a5b633e3f64fc4a40b75" title="lock for the above list">cardsList_lock</a>);
<a name="l00889"></a>00889 <span class="keywordflow">if</span> (list_index >= 0)
<a name="l00890"></a>00890 <span class="keywordflow">return</span> 0;
<a name="l00891"></a>00891
<a name="l00892"></a>00892 <span class="comment">/* Must be a rogue client, debug log and sleep a couple of seconds */</span>
<a name="l00893"></a>00893 Log1(PCSC_LOG_ERROR, <span class="stringliteral">"Client failed to authenticate"</span>);
<a name="l00894"></a>00894 (void)<a class="code" href="sys__generic_8h.html#abbd906a9a16166248e32862f67fc49cd" title="Makes the current process sleep for some seconds.">SYS_Sleep</a>(2);
<a name="l00895"></a>00895
<a name="l00896"></a>00896 <span class="keywordflow">return</span> -1;
<a name="l00897"></a>00897 }
<a name="l00898"></a>00898
<a name="l00899"></a>00899
<a name="l00900"></a>00900 <span class="comment">/* Should be called just prior to exiting the thread as it de-allocates</span>
<a name="l00901"></a>00901 <span class="comment"> * the thread memory strucutres</span>
<a name="l00902"></a>00902 <span class="comment"> */</span>
<a name="l00903"></a>00903 <span class="keyword">static</span> LONG MSGCleanupClient(<a class="code" href="struct__psContext.html">SCONTEXT</a> * threadContext)
<a name="l00904"></a>00904 {
<a name="l00905"></a>00905 <span class="keywordtype">int</span> lrv;
<a name="l00906"></a>00906 <span class="keywordtype">int</span> listSize;
<a name="l00907"></a>00907
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (threadContext->hContext != 0)
<a name="l00909"></a>00909 {
<a name="l00910"></a>00910 (void)<a class="code" href="group__API.html#ga6aabcba7744c5c9419fdd6404f73a934" title="Destroys a communication context to the PC/SC Resource Manager.">SCardReleaseContext</a>(threadContext->hContext);
<a name="l00911"></a>00911 (void)MSGRemoveContext(threadContext->hContext, threadContext);
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913
<a name="l00914"></a>00914 Log3(PCSC_LOG_DEBUG,
<a name="l00915"></a>00915 <span class="stringliteral">"Thread is stopping: dwClientID=%d, threadContext @%X"</span>,
<a name="l00916"></a>00916 threadContext-><a class="code" href="struct__psContext.html#afaf65603098a647f8eef2708cd4501aa" title="Connection ID used to reference the Client.">dwClientID</a>, threadContext);
<a name="l00917"></a>00917
<a name="l00918"></a>00918 <span class="comment">/* Clear the struct to ensure that we detect</span>
<a name="l00919"></a>00919 <span class="comment"> * access to de-allocated memory</span>
<a name="l00920"></a>00920 <span class="comment"> * Hopefully the compiler won't optimise it out */</span>
<a name="l00921"></a>00921 memset((<span class="keywordtype">void</span>*) threadContext, 0, <span class="keyword">sizeof</span>(<a class="code" href="struct__psContext.html">SCONTEXT</a>));
<a name="l00922"></a>00922 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Freeing SCONTEXT @%X"</span>, threadContext);
<a name="l00923"></a>00923
<a name="l00924"></a>00924 (void)pthread_mutex_lock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00925"></a>00925 lrv = list_delete(&contextsList, threadContext);
<a name="l00926"></a>00926 listSize = list_size(&contextsList);
<a name="l00927"></a>00927 (void)pthread_mutex_unlock(&<a class="code" href="winscard__svc_8c.html#aae4a28a9a80802019c27e36ff81e93da" title="lock for the above list">contextsList_lock</a>);
<a name="l00928"></a>00928 <span class="keywordflow">if</span> (lrv < 0)
<a name="l00929"></a>00929 Log2(PCSC_LOG_CRITICAL, <span class="stringliteral">"list_delete failed with error %x"</span>, lrv);
<a name="l00930"></a>00930
<a name="l00931"></a>00931 free(threadContext);
<a name="l00932"></a>00932
<a name="l00933"></a>00933 <span class="comment">/* start a suicide alarm */</span>
<a name="l00934"></a>00934 <span class="keywordflow">if</span> (<a class="code" href="pcscdaemon_8c.html#ad41ba79cd2bc62973c95f29d1292b0a6" title="Represents an Application Context on the Server side.">AutoExit</a> && (listSize < 1))
<a name="l00935"></a>00935 {
<a name="l00936"></a>00936 Log2(PCSC_LOG_DEBUG, <span class="stringliteral">"Starting suicide alarm in %d seconds"</span>,
<a name="l00937"></a>00937 TIME_BEFORE_SUICIDE);
<a name="l00938"></a>00938 alarm(TIME_BEFORE_SUICIDE);
<a name="l00939"></a>00939 }
<a name="l00940"></a>00940
<a name="l00941"></a>00941 <span class="keywordflow">return</span> 0;
<a name="l00942"></a>00942 }
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Thu Sep 15 2011 for pcsc-lite by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
</body>
</html>
