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/**
* XMLSec library
*
* 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 <string.h>
#include <gcrypt.h>
#include <xmlsec/xmlsec.h>
#include <xmlsec/keys.h>
#include <xmlsec/transforms.h>
#include <xmlsec/errors.h>
#include <xmlsec/dl.h>
#include <xmlsec/private.h>
#include <xmlsec/gnutls/app.h>
#include <xmlsec/gnutls/crypto.h>
#include <xmlsec/gnutls/x509.h>
static xmlSecCryptoDLFunctionsPtr gXmlSecGnuTLSFunctions = NULL;
/**
* xmlSecCryptoGetFunctions_gnutls:
*
* Gets the pointer to xmlsec-gnutls functions table.
*
* Returns: the xmlsec-gnutls functions table or NULL if an error occurs.
*/
xmlSecCryptoDLFunctionsPtr
xmlSecCryptoGetFunctions_gnutls(void) {
static xmlSecCryptoDLFunctions functions;
if(gXmlSecGnuTLSFunctions != NULL) {
return(gXmlSecGnuTLSFunctions);
}
memset(&functions, 0, sizeof(functions));
gXmlSecGnuTLSFunctions = &functions;
/********************************************************************
*
* Crypto Init/shutdown
*
********************************************************************/
gXmlSecGnuTLSFunctions->cryptoInit = xmlSecGnuTLSInit;
gXmlSecGnuTLSFunctions->cryptoShutdown = xmlSecGnuTLSShutdown;
gXmlSecGnuTLSFunctions->cryptoKeysMngrInit = xmlSecGnuTLSKeysMngrInit;
/********************************************************************
*
* Key data ids
*
********************************************************************/
#ifndef XMLSEC_NO_AES
gXmlSecGnuTLSFunctions->keyDataAesGetKlass = xmlSecGnuTLSKeyDataAesGetKlass;
#endif /* XMLSEC_NO_AES */
#ifndef XMLSEC_NO_DES
gXmlSecGnuTLSFunctions->keyDataDesGetKlass = xmlSecGnuTLSKeyDataDesGetKlass;
#endif /* XMLSEC_NO_DES */
#ifndef XMLSEC_NO_DSA
gXmlSecGnuTLSFunctions->keyDataDsaGetKlass = xmlSecGnuTLSKeyDataDsaGetKlass;
#endif /* XMLSEC_NO_DSA */
#ifndef XMLSEC_NO_HMAC
gXmlSecGnuTLSFunctions->keyDataHmacGetKlass = xmlSecGnuTLSKeyDataHmacGetKlass;
#endif /* XMLSEC_NO_HMAC */
#ifndef XMLSEC_NO_RSA
gXmlSecGnuTLSFunctions->keyDataRsaGetKlass = xmlSecGnuTLSKeyDataRsaGetKlass;
#endif /* XMLSEC_NO_RSA */
#ifndef XMLSEC_NO_X509
gXmlSecGnuTLSFunctions->keyDataX509GetKlass = xmlSecGnuTLSKeyDataX509GetKlass;
gXmlSecGnuTLSFunctions->keyDataRawX509CertGetKlass = xmlSecGnuTLSKeyDataRawX509CertGetKlass;
#endif /* XMLSEC_NO_X509 */
/********************************************************************
*
* Key data store ids
*
********************************************************************/
#ifndef XMLSEC_NO_X509
gXmlSecGnuTLSFunctions->x509StoreGetKlass = xmlSecGnuTLSX509StoreGetKlass;
#endif /* XMLSEC_NO_X509 */
/********************************************************************
*
* Crypto transforms ids
*
********************************************************************/
/******************************* AES ********************************/
#ifndef XMLSEC_NO_AES
gXmlSecGnuTLSFunctions->transformAes128CbcGetKlass = xmlSecGnuTLSTransformAes128CbcGetKlass;
gXmlSecGnuTLSFunctions->transformAes192CbcGetKlass = xmlSecGnuTLSTransformAes192CbcGetKlass;
gXmlSecGnuTLSFunctions->transformAes256CbcGetKlass = xmlSecGnuTLSTransformAes256CbcGetKlass;
gXmlSecGnuTLSFunctions->transformKWAes128GetKlass = xmlSecGnuTLSTransformKWAes128GetKlass;
gXmlSecGnuTLSFunctions->transformKWAes192GetKlass = xmlSecGnuTLSTransformKWAes192GetKlass;
gXmlSecGnuTLSFunctions->transformKWAes256GetKlass = xmlSecGnuTLSTransformKWAes256GetKlass;
#endif /* XMLSEC_NO_AES */
/******************************* DES ********************************/
#ifndef XMLSEC_NO_DES
gXmlSecGnuTLSFunctions->transformDes3CbcGetKlass = xmlSecGnuTLSTransformDes3CbcGetKlass;
gXmlSecGnuTLSFunctions->transformKWDes3GetKlass = xmlSecGnuTLSTransformKWDes3GetKlass;
#endif /* XMLSEC_NO_DES */
/******************************* DSA ********************************/
#ifndef XMLSEC_NO_DSA
#ifndef XMLSEC_NO_SHA1
gXmlSecGnuTLSFunctions->transformDsaSha1GetKlass = xmlSecGnuTLSTransformDsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#endif /* XMLSEC_NO_DSA */
/******************************* HMAC ********************************/
#ifndef XMLSEC_NO_HMAC
#ifndef XMLSEC_NO_MD5
gXmlSecGnuTLSFunctions->transformHmacMd5GetKlass = xmlSecGnuTLSTransformHmacMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGnuTLSFunctions->transformHmacRipemd160GetKlass = xmlSecGnuTLSTransformHmacRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecGnuTLSFunctions->transformHmacSha1GetKlass = xmlSecGnuTLSTransformHmacSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGnuTLSFunctions->transformHmacSha256GetKlass = xmlSecGnuTLSTransformHmacSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGnuTLSFunctions->transformHmacSha384GetKlass = xmlSecGnuTLSTransformHmacSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGnuTLSFunctions->transformHmacSha512GetKlass = xmlSecGnuTLSTransformHmacSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
#endif /* XMLSEC_NO_HMAC */
/******************************* MD5 ********************************/
#ifndef XMLSEC_NO_MD5
gXmlSecGnuTLSFunctions->transformMd5GetKlass = xmlSecGnuTLSTransformMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
/******************************* RIPEMD160 ********************************/
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGnuTLSFunctions->transformRipemd160GetKlass = xmlSecGnuTLSTransformRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
/******************************* RSA ********************************/
#ifndef XMLSEC_NO_RSA
#ifndef XMLSEC_NO_MD5
gXmlSecGnuTLSFunctions->transformRsaMd5GetKlass = xmlSecGnuTLSTransformRsaMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecGnuTLSFunctions->transformRsaRipemd160GetKlass = xmlSecGnuTLSTransformRsaRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecGnuTLSFunctions->transformRsaSha1GetKlass = xmlSecGnuTLSTransformRsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGnuTLSFunctions->transformRsaSha256GetKlass = xmlSecGnuTLSTransformRsaSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGnuTLSFunctions->transformRsaSha384GetKlass = xmlSecGnuTLSTransformRsaSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGnuTLSFunctions->transformRsaSha512GetKlass = xmlSecGnuTLSTransformRsaSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
#endif /* XMLSEC_NO_RSA */
/******************************* SHA ********************************/
#ifndef XMLSEC_NO_SHA1
gXmlSecGnuTLSFunctions->transformSha1GetKlass = xmlSecGnuTLSTransformSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA256
gXmlSecGnuTLSFunctions->transformSha256GetKlass = xmlSecGnuTLSTransformSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecGnuTLSFunctions->transformSha384GetKlass = xmlSecGnuTLSTransformSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecGnuTLSFunctions->transformSha512GetKlass = xmlSecGnuTLSTransformSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
/********************************************************************
*
* High level routines form xmlsec command line utility
*
********************************************************************/
gXmlSecGnuTLSFunctions->cryptoAppInit = xmlSecGnuTLSAppInit;
gXmlSecGnuTLSFunctions->cryptoAppShutdown = xmlSecGnuTLSAppShutdown;
gXmlSecGnuTLSFunctions->cryptoAppDefaultKeysMngrInit = xmlSecGnuTLSAppDefaultKeysMngrInit;
gXmlSecGnuTLSFunctions->cryptoAppDefaultKeysMngrAdoptKey = xmlSecGnuTLSAppDefaultKeysMngrAdoptKey;
gXmlSecGnuTLSFunctions->cryptoAppDefaultKeysMngrLoad = xmlSecGnuTLSAppDefaultKeysMngrLoad;
gXmlSecGnuTLSFunctions->cryptoAppDefaultKeysMngrSave = xmlSecGnuTLSAppDefaultKeysMngrSave;
#ifndef XMLSEC_NO_X509
gXmlSecGnuTLSFunctions->cryptoAppKeysMngrCertLoad = xmlSecGnuTLSAppKeysMngrCertLoad;
gXmlSecGnuTLSFunctions->cryptoAppPkcs12Load = xmlSecGnuTLSAppPkcs12Load;
gXmlSecGnuTLSFunctions->cryptoAppKeyCertLoad = xmlSecGnuTLSAppKeyCertLoad;
#endif /* XMLSEC_NO_X509 */
gXmlSecGnuTLSFunctions->cryptoAppKeyLoad = xmlSecGnuTLSAppKeyLoad;
gXmlSecGnuTLSFunctions->cryptoAppDefaultPwdCallback = (void*)xmlSecGnuTLSAppGetDefaultPwdCallback();
return(gXmlSecGnuTLSFunctions);
}
/**
* xmlSecGnuTLSInit:
*
* XMLSec library specific crypto engine initialization.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGnuTLSInit (void) {
/* Check loaded xmlsec library version */
if(xmlSecCheckVersionExact() != 1) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCheckVersionExact",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* register our klasses */
if(xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms(xmlSecCryptoGetFunctions_gnutls()) < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
return(0);
}
/**
* xmlSecGnuTLSShutdown:
*
* XMLSec library specific crypto engine shutdown.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGnuTLSShutdown(void) {
return(0);
}
/**
* xmlSecGnuTLSKeysMngrInit:
* @mngr: the pointer to keys manager.
*
* Adds GnuTLS specific key data stores in keys manager.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGnuTLSKeysMngrInit(xmlSecKeysMngrPtr mngr) {
int ret;
xmlSecAssert2(mngr != NULL, -1);
#ifndef XMLSEC_NO_X509
/* create x509 store if needed */
if(xmlSecKeysMngrGetDataStore(mngr, xmlSecGnuTLSX509StoreId) == NULL) {
xmlSecKeyDataStorePtr x509Store;
x509Store = xmlSecKeyDataStoreCreate(xmlSecGnuTLSX509StoreId);
if(x509Store == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecKeyDataStoreCreate",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"xmlSecGnuTLSX509StoreId");
return(-1);
}
ret = xmlSecKeysMngrAdoptDataStore(mngr, x509Store);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecKeysMngrAdoptDataStore",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
xmlSecKeyDataStoreDestroy(x509Store);
return(-1);
}
}
#endif /* XMLSEC_NO_X509 */
return(0);
}
/**
* xmlSecGnuTLSGenerateRandom:
* @buffer: the destination buffer.
* @size: the numer of bytes to generate.
*
* Generates @size random bytes and puts result in @buffer.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecGnuTLSGenerateRandom(xmlSecBufferPtr buffer, xmlSecSize size) {
int ret;
xmlSecAssert2(buffer != NULL, -1);
xmlSecAssert2(size > 0, -1);
ret = xmlSecBufferSetSize(buffer, size);
if(ret < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecBufferSetSize",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"size=%d", size);
return(-1);
}
/* get random data */
gcry_randomize(xmlSecBufferGetData(buffer), size, GCRY_STRONG_RANDOM);
return(0);
}
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