109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
|
|
* MUSCLE SmartCard Development ( https://pcsclite.apdu.fr/ )
|
|
*
|
|
* Copyright (C) 2001
|
|
* David Corcoran <corcoran@musclecard.com>
|
|
* Copyright (C) 2002-2010
|
|
* Ludovic Rousseau <ludovic.rousseau@free.fr>
|
|
*
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. The name of the author may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* @file
|
|
* @brief This abstracts dynamic library loading functions and timing.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <string.h>
|
|
#ifdef HAVE_DL_H
|
|
#include <dl.h>
|
|
#include <errno.h>
|
|
|
|
#include "pcsclite.h"
|
|
#include "debuglog.h"
|
|
#include "dyn_generic.h"
|
|
|
|
LONG DYN_LoadLibrary(void **pvLHandle, char *pcLibrary)
|
|
{
|
|
|
|
shl_t myHandle;
|
|
|
|
*pvLHandle = 0;
|
|
myHandle =
|
|
shl_load(pcLibrary, BIND_IMMEDIATE | BIND_VERBOSE | BIND_NOSTART,
|
|
0L);
|
|
|
|
if (myHandle == 0)
|
|
{
|
|
Log3(PCSC_LOG_ERROR, "%s: %s", pcLibrary, strerror(errno));
|
|
return SCARD_F_UNKNOWN_ERROR;
|
|
}
|
|
|
|
*pvLHandle = (void *) myHandle;
|
|
return SCARD_S_SUCCESS;
|
|
}
|
|
|
|
LONG DYN_CloseLibrary(void **pvLHandle)
|
|
{
|
|
|
|
int rv;
|
|
|
|
rv = shl_unload((shl_t) * pvLHandle);
|
|
*pvLHandle = 0;
|
|
|
|
if (rv == -1)
|
|
{
|
|
Log2(PCSC_LOG_ERROR, "%s", strerror(errno));
|
|
return SCARD_F_UNKNOWN_ERROR;
|
|
}
|
|
|
|
return SCARD_S_SUCCESS;
|
|
}
|
|
|
|
LONG DYN_GetAddress(void *pvLHandle, void **pvFHandle, const char *pcFunction,
|
|
int mayfail)
|
|
{
|
|
|
|
int rv;
|
|
|
|
*pvFHandle = 0;
|
|
rv = shl_findsym((shl_t *) & pvLHandle, pcFunction, TYPE_PROCEDURE,
|
|
pvFHandle);
|
|
|
|
if (rv == -1)
|
|
{
|
|
Log3(mayfail ? PCSC_LOG_INFO : PCSC_LOG_ERROR, "%s: %s",
|
|
pcFunction, strerror(errno));
|
|
rv = SCARD_F_UNKNOWN_ERROR;
|
|
}
|
|
else
|
|
rv = SCARD_S_SUCCESS;
|
|
|
|
return rv;
|
|
}
|
|
|
|
#endif /* HAVE_DL_H */
|
|
|