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<title>pcsc-lite: winscard_msg.h File Reference</title>
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<div id="projectname">pcsc-lite <span id="projectnumber">1.7.2</span></div>
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<h1>winscard_msg.h File Reference</h1> </div>
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<p>This defines some structures and #defines to be used over the transport layer.
<a href="#_details">More...</a></p>
<div class="textblock"><code>#include <stdint.h></code><br/>
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Include dependency graph for winscard_msg.h:</div>
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<div class="center"><img src="winscard__msg_8h__incl.png" border="0" usemap="#winscard__msg_8h" alt=""/></div>
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This graph shows which files directly or indirectly include this file:</div>
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<area shape="rect" id="node3" href="pcsc-wirecheck-dist_8c_source.html" title="pcsc-wirecheck-dist.c" alt="" coords="5,83,155,112"/><area shape="rect" id="node5" href="pcsc-wirecheck-gen_8c_source.html" title="pcsc-wirecheck-gen.c" alt="" coords="179,83,328,112"/><area shape="rect" id="node7" href="pcscdaemon_8c.html" title="This is the main pcscd daemon." alt="" coords="352,83,459,112"/><area shape="rect" id="node9" href="winscard__clnt_8c.html" title="winscard_clnt.c" alt="" coords="483,83,595,112"/><area shape="rect" id="node11" href="winscard__msg_8c.html" title="This is responsible for client/server communication." alt="" coords="619,83,736,112"/><area shape="rect" id="node13" href="winscard__msg__srv_8c.html" title="client/server communication (on the server side only)" alt="" coords="760,83,901,112"/><area shape="rect" id="node15" href="winscard__svc_8c.html" title="This demarshalls functions over the message queue and keeps track of clients and their handles..." alt="" coords="925,83,1037,112"/></map>
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<p><a href="winscard__msg_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structversion__struct.html">version_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Information transmitted in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca775afaef84c85d8173a20debb1a9e2ef">CMD_VERSION</a> Messages. <a href="structversion__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structrxHeader.html">rxHeader</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">header structure for client/server message data exchange. <a href="structrxHeader.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structclient__struct.html">client_struct</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structwait__reader__state__change.html">wait_reader_state_change</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Information contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca7afd6740fc03a9c4395de07b6b29ad40">CMD_WAIT_READER_STATE_CHANGE</a> Messages. <a href="structwait__reader__state__change.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structestablish__struct.html">establish_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Information contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaf90d9882a83562f678f57ce8de9a51a1">SCARD_ESTABLISH_CONTEXT</a> Messages. <a href="structestablish__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structrelease__struct.html">release_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Information contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca072877189b15a07bbc7918a7fdd2a573">SCARD_RELEASE_CONTEXT</a> Messages. <a href="structrelease__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structconnect__struct.html">connect_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcae4539f439555e7f577f08de789fd4e2c">SCARD_CONNECT</a> Messages. <a href="structconnect__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structreconnect__struct.html">reconnect_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8b46439f3998639c1935c51fb984794f">SCARD_RECONNECT</a> Messages. <a href="structreconnect__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structdisconnect__struct.html">disconnect_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca014966b0829c1dd57df6c62a53c7c9f0">SCARD_DISCONNECT</a> Messages. <a href="structdisconnect__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structbegin__struct.html">begin_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaa49e6ed0bf4f1b9fe85c23699fdac94c">SCARD_BEGIN_TRANSACTION</a> Messages. <a href="structbegin__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structend__struct.html">end_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac03f9c354d75ab9e5b53d0af82b2f7ff">SCARD_END_TRANSACTION</a> Messages. <a href="structend__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcancel__struct.html">cancel_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac0d6cd84c358c5f349cf40f4235791d0">SCARD_CANCEL</a> Messages. <a href="structcancel__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structstatus__struct.html">status_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8dd333ed3f05b986c67abbd6291d4188">SCARD_STATUS</a> Messages. <a href="structstatus__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structtransmit__struct.html">transmit_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaaa1c43a9cc7497df780b9e5a81a3abcb">SCARD_TRANSMIT</a> Messages. <a href="structtransmit__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcontrol__struct.html">control_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca50f40e02c69625cb2e03e7094ce9d8b1">SCARD_CONTROL</a> Messages. <a href="structcontrol__struct.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structgetset__struct.html">getset_struct</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">contained in <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca9198ad4e3cd0613906124c5243e7c12e">SCARD_GET_ATTRIB</a> and <code>Messages</code>. <a href="structgetset__struct.html#_details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2ec4920ff3b207d71c2ae86d807dbdd7"></a><!-- doxytag: member="winscard_msg.h::PROTOCOL_VERSION_MAJOR" ref="a2ec4920ff3b207d71c2ae86d807dbdd7" args="" -->
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a2ec4920ff3b207d71c2ae86d807dbdd7">PROTOCOL_VERSION_MAJOR</a>   4</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Major version of the current message protocol. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9ff5cd412ba2c8563fa89754cf534d41"></a><!-- doxytag: member="winscard_msg.h::PROTOCOL_VERSION_MINOR" ref="a9ff5cd412ba2c8563fa89754cf534d41" args="" -->
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a9ff5cd412ba2c8563fa89754cf534d41">PROTOCOL_VERSION_MINOR</a>   2</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Minor version of the current message protocol. <br/></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dc">pcsc_msg_commands</a> { <br/>
  <b>CMD_ENUM_FIRST</b>,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaf90d9882a83562f678f57ce8de9a51a1">SCARD_ESTABLISH_CONTEXT</a> = 0x01,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca072877189b15a07bbc7918a7fdd2a573">SCARD_RELEASE_CONTEXT</a> = 0x02,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcab75cb198a0e9a3137f28e63330d42d9b">SCARD_LIST_READERS</a> = 0x03,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcae4539f439555e7f577f08de789fd4e2c">SCARD_CONNECT</a> = 0x04,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8b46439f3998639c1935c51fb984794f">SCARD_RECONNECT</a> = 0x05,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca014966b0829c1dd57df6c62a53c7c9f0">SCARD_DISCONNECT</a> = 0x06,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaa49e6ed0bf4f1b9fe85c23699fdac94c">SCARD_BEGIN_TRANSACTION</a> = 0x07,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac03f9c354d75ab9e5b53d0af82b2f7ff">SCARD_END_TRANSACTION</a> = 0x08,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcaaa1c43a9cc7497df780b9e5a81a3abcb">SCARD_TRANSMIT</a> = 0x09,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca50f40e02c69625cb2e03e7094ce9d8b1">SCARD_CONTROL</a> = 0x0A,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca8dd333ed3f05b986c67abbd6291d4188">SCARD_STATUS</a> = 0x0B,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca48979952e37fda999c909f6e737b6980">SCARD_GET_STATUS_CHANGE</a> = 0x0C,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac0d6cd84c358c5f349cf40f4235791d0">SCARD_CANCEL</a> = 0x0D,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dcac37bcc23f8c37c5d7e8d1ecb6097efba">SCARD_CANCEL_TRANSACTION</a> = 0x0E,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca9198ad4e3cd0613906124c5243e7c12e">SCARD_GET_ATTRIB</a> = 0x0F,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca068f22e88bd4939797c3c359c9fbf075">SCARD_SET_ATTRIB</a> = 0x10,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca775afaef84c85d8173a20debb1a9e2ef">CMD_VERSION</a> = 0x11,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca192ae79f1c5d3d5f72f2b1c66d0b1cb8">CMD_GET_READERS_STATE</a> = 0x12,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca7afd6740fc03a9c4395de07b6b29ad40">CMD_WAIT_READER_STATE_CHANGE</a> = 0x13,
<br/>
  <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dca0e6dde8afb7713e6973888b536ec7d79">CMD_STOP_WAITING_READER_STATE_CHANGE</a> = 0x14,
<br/>
  <b>CMD_ENUM_LAST</b>
<br/>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Commands available to use in the field <code>sharedSegmentMsg.command</code>. </p>
<a href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dc">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a05e2e987d41cf83a2de0948064b9e232"></a><!-- doxytag: member="winscard_msg.h::getSocketName" ref="a05e2e987d41cf83a2de0948064b9e232" args="(void)" -->
char * </td><td class="memItemRight" valign="bottom"><b>getSocketName</b> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#ab19f0d98aa90725ca558be816dab3b59">ClientSetupSession</a> (uint32_t *)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prepares a communication channel for the client to talk to the server. <a href="#ab19f0d98aa90725ca558be816dab3b59"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a3ac9199c5e346cd4d9729e190d9ae0e8">ClientCloseSession</a> (uint32_t)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Closes the socket used by the client to communicate with the server. <a href="#a3ac9199c5e346cd4d9729e190d9ae0e8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">LONG </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a3c7f8cd86b5717adc9a32546159585ce">MessageReceiveTimeout</a> (uint32_t command, void *buffer, uint64_t buffer_size, int32_t filedes, int32_t timeOut)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Called by the Client to get the reponse from the server or vice-versa. <a href="#a3c7f8cd86b5717adc9a32546159585ce"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">LONG </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a5bb74102a7d2387f14d7341f1894ee3e">MessageSendWithHeader</a> (uint32_t command, uint32_t dwClientID, uint64_t size, void *data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Wrapper for the <a class="el" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend()</a> function. <a href="#a5bb74102a7d2387f14d7341f1894ee3e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">LONG </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a05d22dbf58a6d7ab9b0c1ae77049f533">MessageSend</a> (void *buffer, uint64_t buffer_size, int32_t filedes)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sends a menssage from client to server or vice-versa. <a href="#a05d22dbf58a6d7ab9b0c1ae77049f533"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">LONG </td><td class="memItemRight" valign="bottom"><a class="el" href="winscard__msg_8h.html#a081a9b923dff2a0a831b604dd7d1267b">MessageReceive</a> (void *buffer, uint64_t buffer_size, int32_t filedes)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Called by the Client to get the reponse from the server or vice-versa. <a href="#a081a9b923dff2a0a831b604dd7d1267b"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This defines some structures and #defines to be used over the transport layer. </p>
<p>Definition in file <a class="el" href="winscard__msg_8h_source.html">winscard_msg.h</a>.</p>
</div><hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="add241284f0460327d523aec6e1cd17dc"></a><!-- doxytag: member="winscard_msg.h::pcsc_msg_commands" ref="add241284f0460327d523aec6e1cd17dc" args="" -->
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<td class="memname">enum <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dc">pcsc_msg_commands</a></td>
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<div class="memdoc">
<p>Commands available to use in the field <code>sharedSegmentMsg.command</code>. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcaf90d9882a83562f678f57ce8de9a51a1"></a><!-- doxytag: member="SCARD_ESTABLISH_CONTEXT" ref="add241284f0460327d523aec6e1cd17dcaf90d9882a83562f678f57ce8de9a51a1" args="" -->SCARD_ESTABLISH_CONTEXT</em> </td><td>
<p>used by <a class="el" href="group__API.html#gaa1b8970169fd4883a6dc4a8f43f19b67" title="Creates an Application Context to the PC/SC Resource Manager.">SCardEstablishContext()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca072877189b15a07bbc7918a7fdd2a573"></a><!-- doxytag: member="SCARD_RELEASE_CONTEXT" ref="add241284f0460327d523aec6e1cd17dca072877189b15a07bbc7918a7fdd2a573" args="" -->SCARD_RELEASE_CONTEXT</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga6aabcba7744c5c9419fdd6404f73a934" title="Destroys a communication context to the PC/SC Resource Manager.">SCardReleaseContext()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcab75cb198a0e9a3137f28e63330d42d9b"></a><!-- doxytag: member="SCARD_LIST_READERS" ref="add241284f0460327d523aec6e1cd17dcab75cb198a0e9a3137f28e63330d42d9b" args="" -->SCARD_LIST_READERS</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga93b07815789b3cf2629d439ecf20f0d9" title="This function returns a list of currently available readers on the system.">SCardListReaders()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcae4539f439555e7f577f08de789fd4e2c"></a><!-- doxytag: member="SCARD_CONNECT" ref="add241284f0460327d523aec6e1cd17dcae4539f439555e7f577f08de789fd4e2c" args="" -->SCARD_CONNECT</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga4e515829752e0a8dbc4d630696a8d6a5" title="Establishes a connection to the reader specified in * szReader.">SCardConnect()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca8b46439f3998639c1935c51fb984794f"></a><!-- doxytag: member="SCARD_RECONNECT" ref="add241284f0460327d523aec6e1cd17dca8b46439f3998639c1935c51fb984794f" args="" -->SCARD_RECONNECT</em> </td><td>
<p>used by <a class="el" href="group__API.html#gad5d4393ca8c470112ad9468c44ed8940" title="Reestablishes a connection to a reader that was previously connected to using SCardConnect().">SCardReconnect()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca014966b0829c1dd57df6c62a53c7c9f0"></a><!-- doxytag: member="SCARD_DISCONNECT" ref="add241284f0460327d523aec6e1cd17dca014966b0829c1dd57df6c62a53c7c9f0" args="" -->SCARD_DISCONNECT</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga4be198045c73ec0deb79e66c0ca1738a" title="Terminates a connection made through SCardConnect().">SCardDisconnect()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcaa49e6ed0bf4f1b9fe85c23699fdac94c"></a><!-- doxytag: member="SCARD_BEGIN_TRANSACTION" ref="add241284f0460327d523aec6e1cd17dcaa49e6ed0bf4f1b9fe85c23699fdac94c" args="" -->SCARD_BEGIN_TRANSACTION</em> </td><td>
<p>used by <a class="el" href="group__API.html#gaddb835dce01a0da1d6ca02d33ee7d861" title="Establishes a temporary exclusive access mode for doing a serie of commands in a transaction.">SCardBeginTransaction()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcac03f9c354d75ab9e5b53d0af82b2f7ff"></a><!-- doxytag: member="SCARD_END_TRANSACTION" ref="add241284f0460327d523aec6e1cd17dcac03f9c354d75ab9e5b53d0af82b2f7ff" args="" -->SCARD_END_TRANSACTION</em> </td><td>
<p>used by <a class="el" href="group__API.html#gae8742473b404363e5c587f570d7e2f3b" title="Ends a previously begun transaction.">SCardEndTransaction()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcaaa1c43a9cc7497df780b9e5a81a3abcb"></a><!-- doxytag: member="SCARD_TRANSMIT" ref="add241284f0460327d523aec6e1cd17dcaaa1c43a9cc7497df780b9e5a81a3abcb" args="" -->SCARD_TRANSMIT</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga9a2d77242a271310269065e64633ab99" title="Sends an APDU to the smart card contained in the reader connected to by SCardConnect().">SCardTransmit()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca50f40e02c69625cb2e03e7094ce9d8b1"></a><!-- doxytag: member="SCARD_CONTROL" ref="add241284f0460327d523aec6e1cd17dca50f40e02c69625cb2e03e7094ce9d8b1" args="" -->SCARD_CONTROL</em> </td><td>
<p>used by <a class="el" href="group__API.html#gac3454d4657110fd7f753b2d3d8f4e32f" title="Sends a command directly to the IFD Handler (reader driver) to be processed by the reader...">SCardControl()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca8dd333ed3f05b986c67abbd6291d4188"></a><!-- doxytag: member="SCARD_STATUS" ref="add241284f0460327d523aec6e1cd17dca8dd333ed3f05b986c67abbd6291d4188" args="" -->SCARD_STATUS</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga18f33eebb45d9e0d2a091ca7a0511d26" title="Returns the current status of the reader connected to by hCard.">SCardStatus()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca48979952e37fda999c909f6e737b6980"></a><!-- doxytag: member="SCARD_GET_STATUS_CHANGE" ref="add241284f0460327d523aec6e1cd17dca48979952e37fda999c909f6e737b6980" args="" -->SCARD_GET_STATUS_CHANGE</em> </td><td>
<p>not used </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcac0d6cd84c358c5f349cf40f4235791d0"></a><!-- doxytag: member="SCARD_CANCEL" ref="add241284f0460327d523aec6e1cd17dcac0d6cd84c358c5f349cf40f4235791d0" args="" -->SCARD_CANCEL</em> </td><td>
<p>used by <a class="el" href="group__API.html#gaacbbc0c6d6c0cbbeb4f4debf6fbeeee6" title="This function cancels all pending blocking requests on the SCardGetStatusChange() function...">SCardCancel()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dcac37bcc23f8c37c5d7e8d1ecb6097efba"></a><!-- doxytag: member="SCARD_CANCEL_TRANSACTION" ref="add241284f0460327d523aec6e1cd17dcac37bcc23f8c37c5d7e8d1ecb6097efba" args="" -->SCARD_CANCEL_TRANSACTION</em> </td><td>
<p>not used </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca9198ad4e3cd0613906124c5243e7c12e"></a><!-- doxytag: member="SCARD_GET_ATTRIB" ref="add241284f0460327d523aec6e1cd17dca9198ad4e3cd0613906124c5243e7c12e" args="" -->SCARD_GET_ATTRIB</em> </td><td>
<p>used by <a class="el" href="group__API.html#gaacfec51917255b7a25b94c5104961602" title="Get an attribute from the IFD Handler (reader driver).">SCardGetAttrib()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca068f22e88bd4939797c3c359c9fbf075"></a><!-- doxytag: member="SCARD_SET_ATTRIB" ref="add241284f0460327d523aec6e1cd17dca068f22e88bd4939797c3c359c9fbf075" args="" -->SCARD_SET_ATTRIB</em> </td><td>
<p>used by <a class="el" href="group__API.html#ga060f0038a4ddfd5dd2b8fadf3c3a2e4f" title="Set an attribute of the IFD Handler.">SCardSetAttrib()</a> </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca775afaef84c85d8173a20debb1a9e2ef"></a><!-- doxytag: member="CMD_VERSION" ref="add241284f0460327d523aec6e1cd17dca775afaef84c85d8173a20debb1a9e2ef" args="" -->CMD_VERSION</em> </td><td>
<p>get the client/server protocol version </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca192ae79f1c5d3d5f72f2b1c66d0b1cb8"></a><!-- doxytag: member="CMD_GET_READERS_STATE" ref="add241284f0460327d523aec6e1cd17dca192ae79f1c5d3d5f72f2b1c66d0b1cb8" args="" -->CMD_GET_READERS_STATE</em> </td><td>
<p>get the readers state </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca7afd6740fc03a9c4395de07b6b29ad40"></a><!-- doxytag: member="CMD_WAIT_READER_STATE_CHANGE" ref="add241284f0460327d523aec6e1cd17dca7afd6740fc03a9c4395de07b6b29ad40" args="" -->CMD_WAIT_READER_STATE_CHANGE</em> </td><td>
<p>wait for a reader state change </p>
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<tr><td valign="top"><em><a class="anchor" id="add241284f0460327d523aec6e1cd17dca0e6dde8afb7713e6973888b536ec7d79"></a><!-- doxytag: member="CMD_STOP_WAITING_READER_STATE_CHANGE" ref="add241284f0460327d523aec6e1cd17dca0e6dde8afb7713e6973888b536ec7d79" args="" -->CMD_STOP_WAITING_READER_STATE_CHANGE</em> </td><td>
<p>stop waiting for a reader state change </p>
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</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8h_source.html#l00052">52</a> of file <a class="el" href="winscard__msg_8h_source.html">winscard_msg.h</a>.</p>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a3ac9199c5e346cd4d9729e190d9ae0e8"></a><!-- doxytag: member="winscard_msg.h::ClientCloseSession" ref="a3ac9199c5e346cd4d9729e190d9ae0e8" args="(uint32_t)" -->
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<td class="memname">int32_t ClientCloseSession </td>
<td>(</td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>dwClientID</em></td><td>)</td>
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<p>Closes the socket used by the client to communicate with the server. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dwClientID</td><td>Client socket handle to be closed.</td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>Success. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00138">138</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>Referenced by <a class="el" href="winscard__clnt_8c_source.html#l03174">SCardCancel()</a>.</p>
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<a class="anchor" id="ab19f0d98aa90725ca558be816dab3b59"></a><!-- doxytag: member="winscard_msg.h::ClientSetupSession" ref="ab19f0d98aa90725ca558be816dab3b59" args="(uint32_t *)" -->
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<td class="memname">int32_t ClientSetupSession </td>
<td>(</td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>pdwClientID</em></td><td>)</td>
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<p>Prepares a communication channel for the client to talk to the server. </p>
<p>This is called by the application to create a socket for local IPC with the server. The socket is associated to the file <code>PCSCLITE_CSOCK_NAME</code>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">pdwClientID</td><td>Client Connection ID.</td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>Success. </td></tr>
<tr><td class="paramname">-1</td><td>Can not create the socket. </td></tr>
<tr><td class="paramname">-1</td><td>The socket can not open a connection. </td></tr>
<tr><td class="paramname">-1</td><td>Can not set the socket to non-blocking. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00090">90</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>Referenced by <a class="el" href="winscard__clnt_8c_source.html#l03174">SCardCancel()</a>, and <a class="el" href="winscard__clnt_8c_source.html#l00498">SCardEstablishContextTH()</a>.</p>
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<a class="anchor" id="a081a9b923dff2a0a831b604dd7d1267b"></a><!-- doxytag: member="winscard_msg.h::MessageReceive" ref="a081a9b923dff2a0a831b604dd7d1267b" args="(void *buffer, uint64_t buffer_size, int32_t filedes)" -->
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<td class="memname">LONG MessageReceive </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>buffer_void</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint64_t </td>
<td class="paramname"><em>buffer_size</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>filedes</em> </td>
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<td>)</td>
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<p>Called by the Client to get the reponse from the server or vice-versa. </p>
<p>Reads the message from the file <code>filedes</code>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">buffer_void</td><td>Message read. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">buffer_size</td><td>Size to read </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">filedes</td><td>Socket handle.</td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">SCARD_S_SUCCESS</td><td>Success. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>Socket is closed. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>A signal was received. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00415">415</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>References <a class="el" href="pcsclite_8h_source.html#l00099">SCARD_F_COMM_ERROR</a>, and <a class="el" href="pcsclite_8h_source.html#l00080">SCARD_S_SUCCESS</a>.</p>
<p>Referenced by <a class="el" href="winscard__clnt_8c_source.html#l01158">SCardBeginTransaction()</a>, <a class="el" href="winscard__clnt_8c_source.html#l03174">SCardCancel()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00778">SCardConnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l02251">SCardControl()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01053">SCardDisconnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01267">SCardEndTransaction()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00498">SCardEstablishContextTH()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01716">SCardGetStatusChange()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00944">SCardReconnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00650">SCardReleaseContext()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01428">SCardStatus()</a>, and <a class="el" href="winscard__clnt_8c_source.html#l02697">SCardTransmit()</a>.</p>
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<a class="anchor" id="a3c7f8cd86b5717adc9a32546159585ce"></a><!-- doxytag: member="winscard_msg.h::MessageReceiveTimeout" ref="a3c7f8cd86b5717adc9a32546159585ce" args="(uint32_t command, void *buffer, uint64_t buffer_size, int32_t filedes, int32_t timeOut)" -->
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<td class="memname">LONG MessageReceiveTimeout </td>
<td>(</td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>command</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>buffer_void</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint64_t </td>
<td class="paramname"><em>buffer_size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>filedes</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>timeOut</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Called by the Client to get the reponse from the server or vice-versa. </p>
<p>Reads the message from the file <code>filedes</code>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">command</td><td>one of the <a class="el" href="winscard__msg_8h.html#add241284f0460327d523aec6e1cd17dc">pcsc_msg_commands</a> commands </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">buffer_void</td><td>Message read. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">buffer_size</td><td>Size to read </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">filedes</td><td>Socket handle. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">timeOut</td><td>Timeout in milliseconds.</td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">SCARD_S_SUCCESS</td><td>Success. </td></tr>
<tr><td class="paramname">SCARD_E_TIMEOUT</td><td>Timeout. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>Socket is closed. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>A signal was received. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00159">159</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>References <a class="el" href="pcsclite_8h_source.html#l00090">SCARD_E_TIMEOUT</a>, <a class="el" href="pcsclite_8h_source.html#l00099">SCARD_F_COMM_ERROR</a>, <a class="el" href="pcsclite_8h_source.html#l00080">SCARD_S_SUCCESS</a>, <a class="el" href="winscard__clnt_8c_source.html#l03584">SCardCheckDaemonAvailability()</a>, and <a class="el" href="utils_8c_source.html#l00106">time_sub()</a>.</p>
<p>Referenced by <a class="el" href="winscard__clnt_8c_source.html#l01716">SCardGetStatusChange()</a>.</p>
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<a class="anchor" id="a05d22dbf58a6d7ab9b0c1ae77049f533"></a><!-- doxytag: member="winscard_msg.h::MessageSend" ref="a05d22dbf58a6d7ab9b0c1ae77049f533" args="(void *buffer, uint64_t buffer_size, int32_t filedes)" -->
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<td class="memname">LONG MessageSend </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>buffer_void</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint64_t </td>
<td class="paramname"><em>buffer_size</em>, </td>
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<td class="paramtype">int32_t </td>
<td class="paramname"><em>filedes</em> </td>
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<p>Sends a menssage from client to server or vice-versa. </p>
<p>Writes the message in the shared file <code>filedes</code>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">buffer_void</td><td>Message to be sent. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">buffer_size</td><td>Size of the message to send </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">filedes</td><td>Socket handle.</td></tr>
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</dd>
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<dl><dt><b>Return values:</b></dt><dd>
<table class="retval">
<tr><td class="paramname">SCARD_S_SUCCESS</td><td>Success </td></tr>
<tr><td class="paramname">SCARD_E_TIMEOUT</td><td>Timeout. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>Socket is closed. </td></tr>
<tr><td class="paramname">SCARD_F_COMM_ERROR</td><td>A signal was received. </td></tr>
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</dd>
</dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00317">317</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>References <a class="el" href="pcsclite_8h_source.html#l00109">SCARD_E_NO_SERVICE</a>, <a class="el" href="pcsclite_8h_source.html#l00090">SCARD_E_TIMEOUT</a>, <a class="el" href="pcsclite_8h_source.html#l00099">SCARD_F_COMM_ERROR</a>, and <a class="el" href="pcsclite_8h_source.html#l00080">SCARD_S_SUCCESS</a>.</p>
<p>Referenced by <a class="el" href="winscard__msg_8c_source.html#l00281">MessageSendWithHeader()</a>, <a class="el" href="winscard__clnt_8c_source.html#l02251">SCardControl()</a>, and <a class="el" href="winscard__clnt_8c_source.html#l02697">SCardTransmit()</a>.</p>
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<a class="anchor" id="a5bb74102a7d2387f14d7341f1894ee3e"></a><!-- doxytag: member="winscard_msg.h::MessageSendWithHeader" ref="a5bb74102a7d2387f14d7341f1894ee3e" args="(uint32_t command, uint32_t dwClientID, uint64_t size, void *data)" -->
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<td class="memname">LONG MessageSendWithHeader </td>
<td>(</td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>command</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint32_t </td>
<td class="paramname"><em>dwClientID</em>, </td>
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<td class="paramtype">uint64_t </td>
<td class="paramname"><em>size</em>, </td>
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<td class="paramname"><em>data_void</em> </td>
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<p>Wrapper for the <a class="el" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend()</a> function. </p>
<p>Called by clients to send messages to the server. The parameters <code>command</code> and <code>data</code> are set in the <code>sharedSegmentMsg</code> struct in order to be sent.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">command</td><td>Command to be sent. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dwClientID</td><td>Client socket handle. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>Size of the message (<code>data</code>). </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">data_void</td><td>Data to be sent.</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Same error codes as <a class="el" href="winscard__msg_8c.html#aacd09139ce5667d3b651de29c0d62057" title="Sends a menssage from client to server or vice-versa.">MessageSend()</a>. </dd></dl>
<p>Definition at line <a class="el" href="winscard__msg_8c_source.html#l00281">281</a> of file <a class="el" href="winscard__msg_8c_source.html">winscard_msg.c</a>.</p>
<p>References <a class="el" href="winscard__msg_8h_source.html#l00046">rxHeader::command</a>, <a class="el" href="winscard__msg_8c_source.html#l00317">MessageSend()</a>, and <a class="el" href="winscard__msg_8h_source.html#l00045">rxHeader::size</a>.</p>
<p>Referenced by <a class="el" href="winscard__clnt_8c_source.html#l01158">SCardBeginTransaction()</a>, <a class="el" href="winscard__clnt_8c_source.html#l03174">SCardCancel()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00778">SCardConnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l02251">SCardControl()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01053">SCardDisconnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01267">SCardEndTransaction()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00498">SCardEstablishContextTH()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01716">SCardGetStatusChange()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00944">SCardReconnect()</a>, <a class="el" href="winscard__clnt_8c_source.html#l00650">SCardReleaseContext()</a>, <a class="el" href="winscard__clnt_8c_source.html#l01428">SCardStatus()</a>, and <a class="el" href="winscard__clnt_8c_source.html#l02697">SCardTransmit()</a>.</p>
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