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/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004-2007 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: See AUTHORS file in top-level directory.
*
* 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
*/
/**
* SECTION:lasso
* @short_description: Initialization functions
*
**/
#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;
/**
* DllMain:
* @hinstDLL: hnadle to the DLL module
* @fdwReason: reason value of the DLL call
* @lpvReserved:
*
* Called when the DLL is attached or detached by a program.
*
* Return value: %TRUE if everything is OK
**/
BOOL WINAPI
DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
if (fdwReason == DLL_PROCESS_ATTACH)
{
DisableThreadLibraryCalls(hinstDLL);
g_hModule = hinstDLL;
}
return TRUE;
}
#endif
#include "types.c"
/**
* lasso_init:
*
* Initializes Lasso library.
*
* Return value: 0 on success; or a negative value otherwise.
**/
int lasso_init()
{
int i;
g_type_init();
/* Init Lasso classes */
for (i=0; functions[i]; i++)
functions[i]();
/* 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.");
return LASSO_ERROR_UNDEFINED;
}
/* 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"
"that you have it installed and check shared libraries path"
"(LD_LIBRARY_PATH) environment variable.");
return LASSO_ERROR_UNDEFINED;
}
#endif /* XMLSEC_CRYPTO_DYNAMIC_LOADING */
/* Init crypto library */
if (xmlSecCryptoAppInit(NULL) < 0) {
message(G_LOG_LEVEL_CRITICAL, "Crypto initialization failed.");
return LASSO_ERROR_UNDEFINED;
}
/* Init xmlsec-crypto library */
if (xmlSecCryptoInit() < 0) {
message(G_LOG_LEVEL_CRITICAL, "xmlsec-crypto initialization failed.");
return LASSO_ERROR_UNDEFINED;
}
return 0;
}
/**
* lasso_shutdown:
*
* Clean ups 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();
#ifdef LASSO_DEBUG
/* this is to debug memory for regression tests */
xmlMemoryDump();
#endif
return 0;
}
/**
* lasso_check_version:
* @major: major version numbe
* @minor: minor version number
* @subminor: subminor version number
* @mode: 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(int major, int minor, int subminor, LassoCheckVersionMode mode)
{
if (mode == LASSO_CHECK_VERSION_NUMERIC) {
if (LASSO_VERSION_MAJOR*10000 + LASSO_VERSION_MINOR*100 + LASSO_VERSION_SUBMINOR <
major*10000 + minor*100 + subminor)
return 0;
return 1;
}
/* 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;
}
if (mode == LASSO_CHECK_VERSION_EXACT) {
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;
}
}
if (mode == LASSO_CHECK_VERSIONABI_COMPATIBLE) {
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;
}
}
if (mode > LASSO_CHECK_VERSION_NUMERIC)
return LASSO_ERROR_UNDEFINED;
return 1;
}
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