mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.9 KiB
100 lines
2.9 KiB
// HSCardCtx.cpp -- Handle Smart Card Context wrapper class implementation
|
|
|
|
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
|
|
// 1999. This computer program includes Confidential, Proprietary
|
|
// Information and is a Trade Secret of Schlumberger Technology Corp. All
|
|
// use, disclosure, and/or reproduction is prohibited unless authorized
|
|
// in writing. All Rights Reserved.
|
|
|
|
#include <scuOsExc.h>
|
|
|
|
#include "HSCardCtx.h"
|
|
|
|
/////////////////////////// HELPER /////////////////////////////////
|
|
|
|
/////////////////////////// LOCAL VAR /////////////////////////////////
|
|
|
|
namespace
|
|
{
|
|
SCARDCONTEXT const sccNil = 0;
|
|
} // namespace
|
|
|
|
|
|
/////////////////////////// PUBLIC /////////////////////////////////
|
|
|
|
// Types
|
|
// C'tors/D'tors
|
|
HSCardContext::HSCardContext()
|
|
: m_scc(sccNil)
|
|
{
|
|
}
|
|
|
|
HSCardContext::~HSCardContext()
|
|
{
|
|
if (m_scc)
|
|
{
|
|
try
|
|
{
|
|
Release();
|
|
}
|
|
|
|
catch (...) // destructors should not throw exceptions
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|
|
// Operators
|
|
// Operations
|
|
void
|
|
HSCardContext::Establish(DWORD dwScope)
|
|
{
|
|
DWORD dwErrorCode = SCardEstablishContext(dwScope, NULL, NULL,
|
|
&m_scc);
|
|
if (SCARD_S_SUCCESS != dwErrorCode)
|
|
throw scu::OsException(dwErrorCode);
|
|
}
|
|
|
|
void
|
|
HSCardContext::Release()
|
|
{
|
|
if (m_scc)
|
|
{
|
|
SCARDCONTEXT old = m_scc;
|
|
|
|
m_scc = sccNil;
|
|
|
|
DWORD dwErrorCode = SCardReleaseContext(old);
|
|
if (SCARD_S_SUCCESS != dwErrorCode)
|
|
throw scu::OsException(dwErrorCode);
|
|
}
|
|
}
|
|
// Access
|
|
SCARDCONTEXT
|
|
HSCardContext::AsSCARDCONTEXT() const
|
|
{
|
|
return m_scc;
|
|
}
|
|
|
|
// Predicates
|
|
// Static Variables
|
|
|
|
/////////////////////////// PROTECTED /////////////////////////////////
|
|
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Static Variables
|
|
|
|
|
|
/////////////////////////// PRIVATE /////////////////////////////////
|
|
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Static Variables
|
|
|