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/**
* XMLSec library
*
* This is free software; see Copyright file in the source
* distribution for preciese wording.
*
* Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
*/
#include "globals.h"
#include <string.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <xmlsec/xmlsec.h>
#include <xmlsec/keys.h>
#include <xmlsec/keysmngr.h>
#include <xmlsec/transforms.h>
#include <xmlsec/errors.h>
#include <xmlsec/dl.h>
#include <xmlsec/private.h>
#include <xmlsec/openssl/app.h>
#include <xmlsec/openssl/crypto.h>
#include <xmlsec/openssl/x509.h>
static int xmlSecOpenSSLErrorsInit (void);
static xmlSecCryptoDLFunctionsPtr gXmlSecOpenSSLFunctions = NULL;
static xmlChar* gXmlSecOpenSSLTrustedCertsFolder = NULL;
/**
* xmlSecCryptoGetFunctions_openssl:
*
* Gets the pointer to xmlsec-openssl functions table.
*
* Returns: the xmlsec-openssl functions table or NULL if an error occurs.
*/
xmlSecCryptoDLFunctionsPtr
xmlSecCryptoGetFunctions_openssl(void) {
static xmlSecCryptoDLFunctions functions;
if(gXmlSecOpenSSLFunctions != NULL) {
return(gXmlSecOpenSSLFunctions);
}
memset(&functions, 0, sizeof(functions));
gXmlSecOpenSSLFunctions = &functions;
/**
* Crypto Init/shutdown
*/
gXmlSecOpenSSLFunctions->cryptoInit = xmlSecOpenSSLInit;
gXmlSecOpenSSLFunctions->cryptoShutdown = xmlSecOpenSSLShutdown;
gXmlSecOpenSSLFunctions->cryptoKeysMngrInit = xmlSecOpenSSLKeysMngrInit;
/**
* Key data ids
*/
#ifndef XMLSEC_NO_AES
gXmlSecOpenSSLFunctions->keyDataAesGetKlass = xmlSecOpenSSLKeyDataAesGetKlass;
#endif /* XMLSEC_NO_AES */
#ifndef XMLSEC_NO_DES
gXmlSecOpenSSLFunctions->keyDataDesGetKlass = xmlSecOpenSSLKeyDataDesGetKlass;
#endif /* XMLSEC_NO_DES */
#ifndef XMLSEC_NO_DSA
gXmlSecOpenSSLFunctions->keyDataDsaGetKlass = xmlSecOpenSSLKeyDataDsaGetKlass;
#endif /* XMLSEC_NO_DSA */
#ifndef XMLSEC_NO_HMAC
gXmlSecOpenSSLFunctions->keyDataHmacGetKlass = xmlSecOpenSSLKeyDataHmacGetKlass;
#endif /* XMLSEC_NO_HMAC */
#ifndef XMLSEC_NO_RSA
gXmlSecOpenSSLFunctions->keyDataRsaGetKlass = xmlSecOpenSSLKeyDataRsaGetKlass;
#endif /* XMLSEC_NO_RSA */
#ifndef XMLSEC_NO_X509
gXmlSecOpenSSLFunctions->keyDataX509GetKlass = xmlSecOpenSSLKeyDataX509GetKlass;
gXmlSecOpenSSLFunctions->keyDataRawX509CertGetKlass = xmlSecOpenSSLKeyDataRawX509CertGetKlass;
#endif /* XMLSEC_NO_X509 */
/**
* Key data store ids
*/
#ifndef XMLSEC_NO_X509
gXmlSecOpenSSLFunctions->x509StoreGetKlass = xmlSecOpenSSLX509StoreGetKlass;
#endif /* XMLSEC_NO_X509 */
/**
* Crypto transforms ids
*/
/******************************* AES ********************************/
#ifndef XMLSEC_NO_AES
gXmlSecOpenSSLFunctions->transformAes128CbcGetKlass = xmlSecOpenSSLTransformAes128CbcGetKlass;
gXmlSecOpenSSLFunctions->transformAes192CbcGetKlass = xmlSecOpenSSLTransformAes192CbcGetKlass;
gXmlSecOpenSSLFunctions->transformAes256CbcGetKlass = xmlSecOpenSSLTransformAes256CbcGetKlass;
gXmlSecOpenSSLFunctions->transformKWAes128GetKlass = xmlSecOpenSSLTransformKWAes128GetKlass;
gXmlSecOpenSSLFunctions->transformKWAes192GetKlass = xmlSecOpenSSLTransformKWAes192GetKlass;
gXmlSecOpenSSLFunctions->transformKWAes256GetKlass = xmlSecOpenSSLTransformKWAes256GetKlass;
#endif /* XMLSEC_NO_AES */
/******************************* DES ********************************/
#ifndef XMLSEC_NO_DES
gXmlSecOpenSSLFunctions->transformDes3CbcGetKlass = xmlSecOpenSSLTransformDes3CbcGetKlass;
gXmlSecOpenSSLFunctions->transformKWDes3GetKlass = xmlSecOpenSSLTransformKWDes3GetKlass;
#endif /* XMLSEC_NO_DES */
/******************************* DSA ********************************/
#ifndef XMLSEC_NO_DSA
#ifndef XMLSEC_NO_SHA1
gXmlSecOpenSSLFunctions->transformDsaSha1GetKlass = xmlSecOpenSSLTransformDsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#endif /* XMLSEC_NO_DSA */
/******************************* HMAC ********************************/
#ifndef XMLSEC_NO_HMAC
#ifndef XMLSEC_NO_MD5
gXmlSecOpenSSLFunctions->transformHmacMd5GetKlass = xmlSecOpenSSLTransformHmacMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecOpenSSLFunctions->transformHmacRipemd160GetKlass = xmlSecOpenSSLTransformHmacRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecOpenSSLFunctions->transformHmacSha1GetKlass = xmlSecOpenSSLTransformHmacSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA224
gXmlSecOpenSSLFunctions->transformHmacSha224GetKlass = xmlSecOpenSSLTransformHmacSha224GetKlass;
#endif /* XMLSEC_NO_SHA224 */
#ifndef XMLSEC_NO_SHA256
gXmlSecOpenSSLFunctions->transformHmacSha256GetKlass = xmlSecOpenSSLTransformHmacSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecOpenSSLFunctions->transformHmacSha384GetKlass = xmlSecOpenSSLTransformHmacSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecOpenSSLFunctions->transformHmacSha512GetKlass = xmlSecOpenSSLTransformHmacSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
#endif /* XMLSEC_NO_HMAC */
/******************************* MD5 ********************************/
#ifndef XMLSEC_NO_MD5
gXmlSecOpenSSLFunctions->transformMd5GetKlass = xmlSecOpenSSLTransformMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
/******************************* RIPEMD160 ********************************/
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecOpenSSLFunctions->transformRipemd160GetKlass = xmlSecOpenSSLTransformRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
/******************************* RSA ********************************/
#ifndef XMLSEC_NO_RSA
#ifndef XMLSEC_NO_MD5
gXmlSecOpenSSLFunctions->transformRsaMd5GetKlass = xmlSecOpenSSLTransformRsaMd5GetKlass;
#endif /* XMLSEC_NO_MD5 */
#ifndef XMLSEC_NO_RIPEMD160
gXmlSecOpenSSLFunctions->transformRsaRipemd160GetKlass = xmlSecOpenSSLTransformRsaRipemd160GetKlass;
#endif /* XMLSEC_NO_RIPEMD160 */
#ifndef XMLSEC_NO_SHA1
gXmlSecOpenSSLFunctions->transformRsaSha1GetKlass = xmlSecOpenSSLTransformRsaSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA224
gXmlSecOpenSSLFunctions->transformRsaSha224GetKlass = xmlSecOpenSSLTransformRsaSha224GetKlass;
#endif /* XMLSEC_NO_SHA224 */
#ifndef XMLSEC_NO_SHA256
gXmlSecOpenSSLFunctions->transformRsaSha256GetKlass = xmlSecOpenSSLTransformRsaSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecOpenSSLFunctions->transformRsaSha384GetKlass = xmlSecOpenSSLTransformRsaSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecOpenSSLFunctions->transformRsaSha512GetKlass = xmlSecOpenSSLTransformRsaSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
gXmlSecOpenSSLFunctions->transformRsaPkcs1GetKlass = xmlSecOpenSSLTransformRsaPkcs1GetKlass;
gXmlSecOpenSSLFunctions->transformRsaOaepGetKlass = xmlSecOpenSSLTransformRsaOaepGetKlass;
#endif /* XMLSEC_NO_RSA */
/******************************* SHA ********************************/
#ifndef XMLSEC_NO_SHA1
gXmlSecOpenSSLFunctions->transformSha1GetKlass = xmlSecOpenSSLTransformSha1GetKlass;
#endif /* XMLSEC_NO_SHA1 */
#ifndef XMLSEC_NO_SHA224
gXmlSecOpenSSLFunctions->transformSha224GetKlass = xmlSecOpenSSLTransformSha224GetKlass;
#endif /* XMLSEC_NO_SHA224 */
#ifndef XMLSEC_NO_SHA256
gXmlSecOpenSSLFunctions->transformSha256GetKlass = xmlSecOpenSSLTransformSha256GetKlass;
#endif /* XMLSEC_NO_SHA256 */
#ifndef XMLSEC_NO_SHA384
gXmlSecOpenSSLFunctions->transformSha384GetKlass = xmlSecOpenSSLTransformSha384GetKlass;
#endif /* XMLSEC_NO_SHA384 */
#ifndef XMLSEC_NO_SHA512
gXmlSecOpenSSLFunctions->transformSha512GetKlass = xmlSecOpenSSLTransformSha512GetKlass;
#endif /* XMLSEC_NO_SHA512 */
/**
* High level routines form xmlsec command line utility
*/
gXmlSecOpenSSLFunctions->cryptoAppInit = xmlSecOpenSSLAppInit;
gXmlSecOpenSSLFunctions->cryptoAppShutdown = xmlSecOpenSSLAppShutdown;
gXmlSecOpenSSLFunctions->cryptoAppDefaultKeysMngrInit = xmlSecOpenSSLAppDefaultKeysMngrInit;
gXmlSecOpenSSLFunctions->cryptoAppDefaultKeysMngrAdoptKey = xmlSecOpenSSLAppDefaultKeysMngrAdoptKey;
gXmlSecOpenSSLFunctions->cryptoAppDefaultKeysMngrLoad = xmlSecOpenSSLAppDefaultKeysMngrLoad;
gXmlSecOpenSSLFunctions->cryptoAppDefaultKeysMngrSave = xmlSecOpenSSLAppDefaultKeysMngrSave;
#ifndef XMLSEC_NO_X509
gXmlSecOpenSSLFunctions->cryptoAppKeysMngrCertLoad = xmlSecOpenSSLAppKeysMngrCertLoad;
gXmlSecOpenSSLFunctions->cryptoAppKeysMngrCertLoadMemory = xmlSecOpenSSLAppKeysMngrCertLoadMemory;
gXmlSecOpenSSLFunctions->cryptoAppPkcs12Load = xmlSecOpenSSLAppPkcs12Load;
gXmlSecOpenSSLFunctions->cryptoAppPkcs12LoadMemory = xmlSecOpenSSLAppPkcs12LoadMemory;
gXmlSecOpenSSLFunctions->cryptoAppKeyCertLoad = xmlSecOpenSSLAppKeyCertLoad;
gXmlSecOpenSSLFunctions->cryptoAppKeyCertLoadMemory = xmlSecOpenSSLAppKeyCertLoadMemory;
#endif /* XMLSEC_NO_X509 */
gXmlSecOpenSSLFunctions->cryptoAppKeyLoad = xmlSecOpenSSLAppKeyLoad;
gXmlSecOpenSSLFunctions->cryptoAppKeyLoadMemory = xmlSecOpenSSLAppKeyLoadMemory;
gXmlSecOpenSSLFunctions->cryptoAppDefaultPwdCallback = (void*)xmlSecOpenSSLAppGetDefaultPwdCallback();
return(gXmlSecOpenSSLFunctions);
}
/**
* xmlSecOpenSSLInit:
*
* XMLSec library specific crypto engine initialization.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecOpenSSLInit (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);
}
if(xmlSecOpenSSLErrorsInit() < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecOpenSSLErrorsInit",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
/* register our klasses */
if(xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms(xmlSecCryptoGetFunctions_openssl()) < 0) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecCryptoDLFunctionsRegisterKeyDataAndTransforms",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
return(0);
}
/**
* xmlSecOpenSSLShutdown:
*
* XMLSec library specific crypto engine shutdown.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecOpenSSLShutdown(void) {
xmlSecOpenSSLSetDefaultTrustedCertsFolder(NULL);
return(0);
}
/**
* xmlSecOpenSSLKeysMngrInit:
* @mngr: the pointer to keys manager.
*
* Adds OpenSSL specific key data stores in keys manager.
*
* Returns: 0 on success or a negative value otherwise.
*/
int
xmlSecOpenSSLKeysMngrInit(xmlSecKeysMngrPtr mngr) {
int ret;
xmlSecAssert2(mngr != NULL, -1);
#ifndef XMLSEC_NO_X509
/* create x509 store if needed */
if(xmlSecKeysMngrGetDataStore(mngr, xmlSecOpenSSLX509StoreId) == NULL) {
xmlSecKeyDataStorePtr x509Store;
x509Store = xmlSecKeyDataStoreCreate(xmlSecOpenSSLX509StoreId);
if(x509Store == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlSecKeyDataStoreCreate",
XMLSEC_ERRORS_R_XMLSEC_FAILED,
"xmlSecOpenSSLX509StoreId");
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);
}
/**
* xmlSecOpenSSLGenerateRandom:
* @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
xmlSecOpenSSLGenerateRandom(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 */
ret = RAND_bytes((xmlSecByte*)xmlSecBufferGetData(buffer), size);
if(ret != 1) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"RAND_bytes",
XMLSEC_ERRORS_R_CRYPTO_FAILED,
"size=%d", size);
return(-1);
}
return(0);
}
/**
* xmlSecOpenSSLErrorsDefaultCallback:
* @file: the error location file name (__FILE__ macro).
* @line: the error location line number (__LINE__ macro).
* @func: the error location function name (__FUNCTION__ macro).
* @errorObject: the error specific error object
* @errorSubject: the error specific error subject.
* @reason: the error code.
* @msg: the additional error message.
*
* The default OpenSSL errors reporting callback function.
*/
void
xmlSecOpenSSLErrorsDefaultCallback(const char* file, int line, const char* func,
const char* errorObject, const char* errorSubject,
int reason, const char* msg) {
ERR_put_error(XMLSEC_OPENSSL_ERRORS_LIB,
XMLSEC_OPENSSL_ERRORS_FUNCTION,
reason, file, line);
xmlSecErrorsDefaultCallback(file, line, func,
errorObject, errorSubject,
reason, msg);
}
static int
xmlSecOpenSSLErrorsInit(void) {
static ERR_STRING_DATA xmlSecOpenSSLStrReasons[XMLSEC_ERRORS_MAX_NUMBER + 1];
static ERR_STRING_DATA xmlSecOpenSSLStrLib[]= {
{ ERR_PACK(XMLSEC_OPENSSL_ERRORS_LIB,0,0), "xmlsec routines"},
{ 0, NULL}
};
static ERR_STRING_DATA xmlSecOpenSSLStrDefReason[]= {
{ XMLSEC_OPENSSL_ERRORS_LIB, "xmlsec lib"},
{ 0, NULL}
};
xmlSecSize pos;
/* initialize reasons array */
memset(xmlSecOpenSSLStrReasons, 0, sizeof(xmlSecOpenSSLStrReasons));
for(pos = 0; (pos < XMLSEC_ERRORS_MAX_NUMBER) && (xmlSecErrorsGetMsg(pos) != NULL); ++pos) {
xmlSecOpenSSLStrReasons[pos].error = xmlSecErrorsGetCode(pos);
xmlSecOpenSSLStrReasons[pos].string = xmlSecErrorsGetMsg(pos);
}
/* finally load xmlsec strings in OpenSSL */
ERR_load_strings(XMLSEC_OPENSSL_ERRORS_LIB, xmlSecOpenSSLStrLib); /* define xmlsec lib name */
ERR_load_strings(XMLSEC_OPENSSL_ERRORS_LIB, xmlSecOpenSSLStrDefReason); /* define default reason */
ERR_load_strings(XMLSEC_OPENSSL_ERRORS_LIB, xmlSecOpenSSLStrReasons);
/* and set default errors callback for xmlsec to us */
xmlSecErrorsSetCallback(xmlSecOpenSSLErrorsDefaultCallback);
return(0);
}
/**
* xmlSecOpenSSLSetDefaultTrustedCertsFolder:
* @path: the default trusted certs path.
*
* Sets the default trusted certs folder.
*
* Returns: 0 on success or a negative value if an error occurs.
*/
int
xmlSecOpenSSLSetDefaultTrustedCertsFolder(const xmlChar* path) {
if(gXmlSecOpenSSLTrustedCertsFolder != NULL) {
xmlFree(gXmlSecOpenSSLTrustedCertsFolder);
gXmlSecOpenSSLTrustedCertsFolder = NULL;
}
if(path != NULL) {
gXmlSecOpenSSLTrustedCertsFolder = xmlStrdup(BAD_CAST path);
if(gXmlSecOpenSSLTrustedCertsFolder == NULL) {
xmlSecError(XMLSEC_ERRORS_HERE,
NULL,
"xmlStrdup",
XMLSEC_ERRORS_R_MALLOC_FAILED,
XMLSEC_ERRORS_NO_MESSAGE);
return(-1);
}
}
return(0);
}
/**
* xmlSecOpenSSLGetDefaultTrustedCertsFolder:
*
* Gets the default trusted certs folder.
*
* Returns: the default trusted cert folder.
*/
const xmlChar*
xmlSecOpenSSLGetDefaultTrustedCertsFolder(void) {
return(gXmlSecOpenSSLTrustedCertsFolder);
}
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