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/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Nicolas Clapies <nclapies@entrouvert.com>
* Valery Febvre <vfebvre@easter-eggs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <xmlsec/xmlsec.h>
#include <xmlsec/crypto.h>
#include <libxslt/xslt.h>
#include "lasso_config.h"
#include "lasso.h"
#if defined _MSC_VER
HINSTANCE g_hModule = NULL; /**< DLL Instance. */
/** \brief Microsoft® Windows® DLL main function.
*
* This function is called when the DLL is attached, detached from a program.
*
* \param hinstDLL Handle to the DLL module.
* \param fdwReason Reason value of the DLL call.
* \param lpvReserved RFU.
*
* \return TRUE is everything is ok.
*
*/
BOOL WINAPI
DllMain(
HINSTANCE hinstDLL, /* handle to the DLL module */
DWORD fdwReason, /* reason for calling function */
LPVOID lpvReserved) /* reserved */
{
if (fdwReason == DLL_PROCESS_ATTACH)
{
DisableThreadLibraryCalls(hinstDLL);
g_hModule = hinstDLL;
}
return TRUE;
}
#endif
/**
* lasso_init:
*
* Initializes Lasso library
*
* Return value: 0 on success or a negative value otherwise.
*/
int lasso_init()
{
g_type_init();
/* Init libxml and libxslt libraries */
xmlInitParser();
/*LIBXML_TEST_VERSION*/
/* xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS; */
/* xmlSubstituteEntitiesDefault(1); */
/* Init xmlsec library */
if(xmlSecInit() < 0) {
message(G_LOG_LEVEL_CRITICAL, "XMLSec initialization failed.\n");
return(-1);
}
/* Check loaded library version */
if(xmlSecCheckVersion() != 1) {
message(G_LOG_LEVEL_CRITICAL, "Loaded xmlsec library version is not compatible.\n");
return(-1);
}
/* Load default crypto engine if we are supporting dynamic
* loading for xmlsec-crypto libraries. Use the crypto library
* name ("openssl", "nss", etc.) to load corresponding
* xmlsec-crypto library.
*/
#ifdef XMLSEC_CRYPTO_DYNAMIC_LOADING
if(xmlSecCryptoDLLoadLibrary(BAD_CAST XMLSEC_CRYPTO) < 0) {
message(G_LOG_LEVEL_CRITICAL, "Unable to load default xmlsec-crypto library. Make sure\n"
"that you have it installed and check shared libraries path\n"
"(LD_LIBRARY_PATH) envornment variable.\n");
return(-1);
}
#endif /* XMLSEC_CRYPTO_DYNAMIC_LOADING */
/* Init crypto library */
if(xmlSecCryptoAppInit(NULL) < 0) {
message(G_LOG_LEVEL_CRITICAL, "Crypto initialization failed.\n");
return(-1);
}
/* Init xmlsec-crypto library */
if(xmlSecCryptoInit() < 0) {
message(G_LOG_LEVEL_CRITICAL, "xmlsec-crypto initialization failed.\n");
return(-1);
}
return 0;
}
/**
* lasso_shutdown:
*
* Clean ups the Lasso Library.
*
* Return value: 0 on success or a negative value otherwise.
**/
int lasso_shutdown()
{
/* Shutdown xmlsec-crypto library */
xmlSecCryptoShutdown();
/* Shutdown crypto library */
xmlSecCryptoAppShutdown();
/* Shutdown xmlsec library */
xmlSecShutdown();
/* Shutdown libxslt/libxml */
#ifndef XMLSEC_NO_XSLT
xsltCleanupGlobals();
#endif /* XMLSEC_NO_XSLT */
/* Cleanup function for the XML library */
xmlCleanupParser();
/* this is to debug memory for regression tests */
xmlMemoryDump();
return (0);
}
/**
* lasso_check_version_ext:
* @major: the major version number.
* @minor: the minor version number.
* @subminor: the subminor version number.
* @mode: the version check mode.
*
* Checks if the loaded version of Lasso library could be used.
*
* Returns 1 if the loaded lasso library version is OK to use
* 0 if it is not or a negative value if an error occurs.
*/
int
lasso_check_version_ext(int major, int minor, int subminor, lassoCheckVersionMode mode)
{
/* we always want to have a match for major version number */
if (major != LASSO_VERSION_MAJOR) {
g_message("expected major version=%d;real major version=%d",
LASSO_VERSION_MAJOR, major);
return (0);
}
switch (mode) {
case lassoCheckVersionExact:
if ((minor != LASSO_VERSION_MINOR) || (subminor != LASSO_VERSION_SUBMINOR)) {
g_message("mode=exact;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d",
LASSO_VERSION_MINOR, minor,
LASSO_VERSION_SUBMINOR, subminor);
return (0);
}
break;
case lassoCheckVersionABICompatible:
if ((minor < LASSO_VERSION_MINOR) ||
((minor == LASSO_VERSION_MINOR) && (subminor < LASSO_VERSION_SUBMINOR))) {
g_message("mode=abi compatible;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d",
LASSO_VERSION_MINOR, minor,
LASSO_VERSION_SUBMINOR, subminor);
return (0);
}
break;
}
return (1);
}
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