diff options
Diffstat (limited to 'openssl/crypto/dso/dso_lib.c')
| -rw-r--r-- | openssl/crypto/dso/dso_lib.c | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/openssl/crypto/dso/dso_lib.c b/openssl/crypto/dso/dso_lib.c deleted file mode 100644 index 8a15b794..00000000 --- a/openssl/crypto/dso/dso_lib.c +++ /dev/null @@ -1,483 +0,0 @@ -/* dso_lib.c -*- mode:C; c-file-style: "eay" -*- */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) 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 - * licensing@OpenSSL.org. - * - * 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 - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#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 *)OPENSSL_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_void_new_null(); - if(ret->meth_data == NULL) - { - /* sk_new doesn't generate any errors so we do */ - DSOerr(DSO_F_DSO_NEW_METHOD,ERR_R_MALLOC_FAILURE); - OPENSSL_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)) - { - OPENSSL_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_void_free(dso->meth_data); - if(dso->filename != NULL) - OPENSSL_free(dso->filename); - if(dso->loaded_filename != NULL) - OPENSSL_free(dso->loaded_filename); - - OPENSSL_free(dso); - return(1); - } - -int DSO_flags(DSO *dso) - { - return((dso == NULL) ? 0 : dso->flags); - } - - -int DSO_up_ref(DSO *dso) - { - if (dso == NULL) - { - DSOerr(DSO_F_DSO_UP_REF,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(dso == NULL) - { - ret = DSO_new_method(meth); - if(ret == NULL) - { - DSOerr(DSO_F_DSO_LOAD,ERR_R_MALLOC_FAILURE); - goto err; - } - allocated = 1; - /* Pass the provided flags to the new DSO object */ - if(DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_CTRL_FAILED); - goto err; - } - } - else - ret = dso; - /* Don't load if we're currently already loaded */ - if(ret->filename != NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_DSO_ALREADY_LOADED); - goto err; - } - /* filename can only be NULL if we were passed a dso that already has - * one set. */ - if(filename != NULL) - if(!DSO_set_filename(ret, filename)) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_SET_FILENAME_FAILED); - goto err; - } - filename = ret->filename; - if(filename == NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_NO_FILENAME); - goto err; - } - if(ret->meth->dso_load == NULL) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_UNSUPPORTED); - goto err; - } - if(!ret->meth->dso_load(ret)) - { - DSOerr(DSO_F_DSO_LOAD,DSO_R_LOAD_FAILED); - goto err; - } - /* Load succeeded */ - return(ret); -err: - if(allocated) - DSO_free(ret); - return(NULL); - } - -void *DSO_bind_var(DSO *dso, const char *symname) - { - void *ret = NULL; - - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DSO_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso->meth->dso_bind_var == NULL) - { - DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_UNSUPPORTED); - return(NULL); - } - if((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) - { - DSOerr(DSO_F_DSO_BIND_VAR,DSO_R_SYM_FAILURE); - return(NULL); - } - /* Success */ - return(ret); - } - -DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname) - { - DSO_FUNC_TYPE ret = NULL; - - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DSO_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(dso->meth->dso_bind_func == NULL) - { - DSOerr(DSO_F_DSO_BIND_FUNC,DSO_R_UNSUPPORTED); - return(NULL); - } - if((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) - { - DSOerr(DSO_F_DSO_BIND_FUNC,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); - } - /* We should intercept certain generic commands and only pass control - * to the method-specific ctrl() function if it's something we don't - * handle. */ - switch(cmd) - { - case DSO_CTRL_GET_FLAGS: - return dso->flags; - case DSO_CTRL_SET_FLAGS: - dso->flags = (int)larg; - return(0); - case DSO_CTRL_OR_FLAGS: - dso->flags |= (int)larg; - return(0); - default: - break; - } - 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)); - } - -int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, - DSO_NAME_CONVERTER_FUNC *oldcb) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_SET_NAME_CONVERTER, - ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if(oldcb) - *oldcb = dso->name_converter; - dso->name_converter = cb; - return(1); - } - -const char *DSO_get_filename(DSO *dso) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_GET_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - return(dso->filename); - } - -int DSO_set_filename(DSO *dso, const char *filename) - { - char *copied; - - if((dso == NULL) || (filename == NULL)) - { - DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if(dso->loaded_filename) - { - DSOerr(DSO_F_DSO_SET_FILENAME,DSO_R_DSO_ALREADY_LOADED); - return(0); - } - /* We'll duplicate filename */ - copied = OPENSSL_malloc(strlen(filename) + 1); - if(copied == NULL) - { - DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_MALLOC_FAILURE); - return(0); - } - BUF_strlcpy(copied, filename, strlen(filename) + 1); - if(dso->filename) - OPENSSL_free(dso->filename); - dso->filename = copied; - return(1); - } - -char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2) - { - char *result = NULL; - - if(dso == NULL || filespec1 == NULL) - { - DSOerr(DSO_F_DSO_MERGE,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) - { - if(dso->merger != NULL) - result = dso->merger(dso, filespec1, filespec2); - else if(dso->meth->dso_merger != NULL) - result = dso->meth->dso_merger(dso, - filespec1, filespec2); - } - return(result); - } - -char *DSO_convert_filename(DSO *dso, const char *filename) - { - char *result = NULL; - - if(dso == NULL) - { - DSOerr(DSO_F_DSO_CONVERT_FILENAME,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(filename == NULL) - filename = dso->filename; - if(filename == NULL) - { - DSOerr(DSO_F_DSO_CONVERT_FILENAME,DSO_R_NO_FILENAME); - return(NULL); - } - if((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) - { - if(dso->name_converter != NULL) - result = dso->name_converter(dso, filename); - else if(dso->meth->dso_name_converter != NULL) - result = dso->meth->dso_name_converter(dso, filename); - } - if(result == NULL) - { - result = OPENSSL_malloc(strlen(filename) + 1); - if(result == NULL) - { - DSOerr(DSO_F_DSO_CONVERT_FILENAME, - ERR_R_MALLOC_FAILURE); - return(NULL); - } - BUF_strlcpy(result, filename, strlen(filename) + 1); - } - return(result); - } - -const char *DSO_get_loaded_filename(DSO *dso) - { - if(dso == NULL) - { - DSOerr(DSO_F_DSO_GET_LOADED_FILENAME, - ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - return(dso->loaded_filename); - } - -int DSO_pathbyaddr(void *addr,char *path,int sz) - { - DSO_METHOD *meth = default_DSO_meth; - if (meth == NULL) meth = DSO_METHOD_openssl(); - if (meth->pathbyaddr == NULL) - { - DSOerr(DSO_F_DSO_PATHBYADDR,DSO_R_UNSUPPORTED); - return -1; - } - return (*meth->pathbyaddr)(addr,path,sz); - } - -void *DSO_global_lookup(const char *name) - { - DSO_METHOD *meth = default_DSO_meth; - if (meth == NULL) meth = DSO_METHOD_openssl(); - if (meth->globallookup == NULL) - { - DSOerr(DSO_F_DSO_GLOBAL_LOOKUP,DSO_R_UNSUPPORTED); - return NULL; - } - return (*meth->globallookup)(name); - } |