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Diffstat (limited to 'crypto/dso/dso_lib.c')
| -rw-r--r-- | crypto/dso/dso_lib.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c deleted file mode 100644 index f41ebf1aa47..00000000000 --- a/crypto/dso/dso_lib.c +++ /dev/null @@ -1,283 +0,0 @@ -/* dso_lib.c */ -/* Written by Geoff Thorpe ([email protected]) for the OpenSSL - * project 2000. - */ -/* ==================================================================== - * Copyright (c) 2000 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * [email protected]. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * ([email protected]). This product includes software written by Tim - * Hudson ([email protected]). - * - */ - -#include <stdio.h> -#include <openssl/crypto.h> -#include "cryptlib.h" -#include <openssl/dso.h> - -static DSO_METHOD *default_DSO_meth = NULL; - -DSO *DSO_new(void) - { - return(DSO_new_method(NULL)); - } - -void DSO_set_default_method(DSO_METHOD *meth) - { - default_DSO_meth = meth; - } - -DSO_METHOD *DSO_get_default_method(void) - { - return(default_DSO_meth); - } - -DSO_METHOD *DSO_get_method(DSO *dso) - { - return(dso->meth); - } - -DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth) - { - DSO_METHOD *mtmp; - mtmp = dso->meth; - dso->meth = meth; - return(mtmp); - } - -DSO *DSO_new_method(DSO_METHOD *meth) - { - DSO *ret; - - if(default_DSO_meth == NULL) - /* We default to DSO_METH_openssl() which in turn defaults - * to stealing the "best available" method. Will fallback - * to DSO_METH_null() in the worst case. */ - default_DSO_meth = DSO_METHOD_openssl(); - ret = (DSO *)Malloc(sizeof(DSO)); - if(ret == NULL) - { - DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE); - return(NULL); - } - memset(ret, 0, sizeof(DSO)); - ret->meth_data = sk_new(NULL); - if((ret->meth_data = sk_new(NULL)) == NULL) - { - /* sk_new doesn't generate any errors so we do */ - DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE); - Free(ret); - return(NULL); - } - if(meth == NULL) - ret->meth = default_DSO_meth; - else - ret->meth = meth; - ret->references = 1; - if((ret->meth->init != NULL) && !ret->meth->init(ret)) - { - Free(ret); - ret=NULL; - } - return(ret); - } - -int DSO_free(DSO *dso) - { - int i; - - if(dso == NULL) - { - DSOerr(DSO_F_DSO_FREE,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - - i=CRYPTO_add(&dso->references,-1,CRYPTO_LOCK_DSO); -#ifdef REF_PRINT - REF_PRINT("DSO",dso); -#endif - if(i > 0) return(1); -#ifdef REF_CHECK - if(i < 0) - { - fprintf(stderr,"DSO_free, bad reference count\n"); - abort(); - } -#endif - - if((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) - { - DSOerr(DSO_F_DSO_FREE,DSO_R_UNLOAD_FAILED); - return(0); - } - - if((dso->meth->finish != NULL) && !dso->meth->finish(dso)) - { - DSOerr(DSO_F_DSO_FREE,DSO_R_FINISH_FAILED); - return(0); - } - - sk_free(dso->meth_data); - - Free(dso); - return(1); - } - -int DSO_flags(DSO *dso) - { - return((dso == NULL) ? 0 : dso->flags); - } - - -int DSO_up(DSO *dso) - { - if (dso == NULL) - { - DSOerr(DSO_F_DSO_UP,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - - CRYPTO_add(&dso->references,1,CRYPTO_LOCK_DSO); - return(1); - } - -DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags) - { - DSO *ret; - int allocated = 0; - - if(filename == NULL) - { - DSOerr(DSO_F_DSO_LOAD,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso == NULL) - { - ret = DSO_new_method(meth); - if(ret == NULL) - { - DSOerr(DSO_F_DSO_LOAD,ERR_R_MALLOC_FAILURE); - return(NULL); - } - allocated = 1; - } - else - ret = dso; - /* Bleurgh ... have to check for negative return values for - * errors. <grimace> */ - if(DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_CTRL_FAILED); - if(allocated) - DSO_free(ret); - return(NULL); - } - if(ret->meth->dso_load == NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_UNSUPPORTED); - if(allocated) - DSO_free(ret); - return(NULL); - } - if(!ret->meth->dso_load(ret, filename)) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_LOAD_FAILED); - if(allocated) - DSO_free(ret); - return(NULL); - } - /* Load succeeded */ - return(ret); - } - -void *DSO_bind(DSO *dso, const char *symname) - { - void *ret = NULL; - - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DSO_BIND,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso->meth->dso_bind == NULL) - { - DSOerr(DSO_F_DSO_BIND,DSO_R_UNSUPPORTED); - return(NULL); - } - if(!dso->meth->dso_bind(dso, symname, &ret)) - { - DSOerr(DSO_F_DSO_BIND,DSO_R_SYM_FAILURE); - return(NULL); - } - /* Success */ - return(ret); - } - -/* I don't really like these *_ctrl functions very much to be perfectly - * honest. For one thing, I think I have to return a negative value for - * any error because possible DSO_ctrl() commands may return values - * such as "size"s that can legitimately be zero (making the standard - * "if(DSO_cmd(...))" form that works almost everywhere else fail at - * odd times. I'd prefer "output" values to be passed by reference and - * the return value as success/failure like usual ... but we conform - * when we must... :-) */ -long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_CTRL,ERR_R_PASSED_NULL_PARAMETER); - return(-1); - } - if((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) - { - DSOerr(DSO_F_DSO_CTRL,DSO_R_UNSUPPORTED); - return(-1); - } - return(dso->meth->dso_ctrl(dso,cmd,larg,parg)); - } |