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968e1bbcf8
https://fedorahosted.org/freeipa/ticket/4713 Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
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* Copyright (C) 2014 FreeIPA Contributors see COPYING for license
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*
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* This code is based on PKCS#11 code from SoftHSM project:
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* https://github.com/opendnssec/SoftHSMv2/
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* Original license follows:
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*/
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/*
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* Copyright (c) 2010 .SE (The Internet Infrastructure Foundation)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*****************************************************************************
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library.c
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Support function for handling PKCS#11 libraries
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*****************************************************************************/
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#include "library.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <dlfcn.h>
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// Load the PKCS#11 library
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CK_C_GetFunctionList loadLibrary(const char* module, void** moduleHandle)
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{
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CK_C_GetFunctionList pGetFunctionList = NULL;
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void* pDynLib = NULL;
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// Load PKCS #11 library
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if (module)
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{
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pDynLib = dlopen(module, RTLD_NOW | RTLD_LOCAL);
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} else {
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return NULL;
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}
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if (pDynLib == NULL)
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{
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// Failed to load the PKCS #11 library
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return NULL;
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}
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// Retrieve the entry point for C_GetFunctionList
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pGetFunctionList = (CK_C_GetFunctionList) dlsym(pDynLib, "C_GetFunctionList");
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if (pGetFunctionList == NULL)
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{
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dlclose(pDynLib);
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return NULL;
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}
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// Store the handle so we can dlclose it later
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*moduleHandle = pDynLib;
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return pGetFunctionList;
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}
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void unloadLibrary(void* moduleHandle)
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{
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if (moduleHandle)
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{
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dlclose(moduleHandle);
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}
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}
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