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/**
* XML Security Library (http://www.aleksey.com/xmlsec).
*
* General functions.
*
* This is free software; see Copyright file in the source
* distribution for preciese wording.
*
* Copyright (C) 2002-2016 Aleksey Sanin <aleksey@aleksey.com>. All Rights Reserved.
*/
#include "globals.h"
#include <stdlib.h>
#include <stdio.h>
#include <libxml/tree.h>
#include <xmlsec/xmlsec.h>
#include <xmlsec/xmltree.h>
#include <xmlsec/keys.h>
#include <xmlsec/transforms.h>
#include <xmlsec/app.h>
#include <xmlsec/io.h>
#include <xmlsec/errors.h>
/**
* xmlSecInit:
*
* Initializes XML Security Library. The depended libraries
* (LibXML and LibXSLT) must be initialized before.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecInit(void) {
xmlSecErrorsInit();
xmlSecIOInit();
#ifndef XMLSEC_NO_CRYPTO_DYNAMIC_LOADING
if(xmlSecCryptoDLInit() < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCryptoDLInit",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
#endif /* XMLSEC_NO_CRYPTO_DYNAMIC_LOADING */
if(xmlSecKeyDataIdsInit() < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecKeyDataIdsInit",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
if(xmlSecTransformIdsInit() < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecTransformIdsInit",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* we use rand() function to generate id attributes */
srand(time(NULL));
return(0);
}
/**
* xmlSecShutdown:
*
* Clean ups the XML Security Library.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecShutdown(void) {
int res = 0;
xmlSecTransformIdsShutdown();
xmlSecKeyDataIdsShutdown();
#ifndef XMLSEC_NO_CRYPTO_DYNAMIC_LOADING
if(xmlSecCryptoDLShutdown() < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCryptoDLShutdown",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
res = -1;
}
#endif /* XMLSEC_NO_CRYPTO_DYNAMIC_LOADING */
xmlSecIOShutdown();
xmlSecErrorsShutdown();
return(res);
}
/**
* xmlSecShutdown:
*
* Gets the default crypto engine ("openssl", "nss", etc.) for the XML Security Library.
*
* Returns: the default crypto engine ("openssl", "nss", etc.).
*/
const xmlChar * xmlSecGetDefaultCrypto(void) {
return BAD_CAST XMLSEC_DEFAULT_CRYPTO;
}
/**
* xmlSecCheckVersionExt:
* @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 xmlsec library could be used.
*
* Returns: 1 if the loaded xmlsec library version is OK to use
* 0 if it is not or a negative value if an error occurs.
*/
int
xmlSecCheckVersionExt(int major, int minor, int subminor, xmlSecCheckVersionMode mode) {
/* we always want to have a match for major version number */
if(major != XMLSEC_VERSION_MAJOR) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
NULL,
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"expected major version=%d;real major version=%d",
XMLSEC_VERSION_MAJOR, major);
return(0);
}
switch(mode) {
case xmlSecCheckVersionExactMatch:
if((minor != XMLSEC_VERSION_MINOR) || (subminor != XMLSEC_VERSION_SUBMINOR)) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
NULL,
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"mode=exact;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d",
XMLSEC_VERSION_MINOR, minor,
XMLSEC_VERSION_SUBMINOR, subminor);
return(0);
}
break;
case xmlSecCheckVersionABICompatible:
if((minor > XMLSEC_VERSION_MINOR) ||
((minor == XMLSEC_VERSION_MINOR) &&
(subminor > XMLSEC_VERSION_SUBMINOR))) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
NULL,
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"mode=abi compatible;expected minor version=%d;real minor version=%d;expected subminor version=%d;real subminor version=%d",
XMLSEC_VERSION_MINOR, minor,
XMLSEC_VERSION_SUBMINOR, subminor);
return(0);
}
break;
}
return(1);
}
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