From 2a403cf17b91db1355403be2649b62a15f65d0b1 Mon Sep 17 00:00:00 2001 From: markus <> Date: Tue, 3 Sep 2002 09:21:21 +0000 Subject: unused files, not part of OpenSSL 0.9.7 --- src/lib/libcrypto/engine/engine_list.c | 675 --------------------------------- 1 file changed, 675 deletions(-) delete mode 100644 src/lib/libcrypto/engine/engine_list.c (limited to 'src/lib/libcrypto/engine/engine_list.c') diff --git a/src/lib/libcrypto/engine/engine_list.c b/src/lib/libcrypto/engine/engine_list.c deleted file mode 100644 index d764c60661..0000000000 --- a/src/lib/libcrypto/engine/engine_list.c +++ /dev/null @@ -1,675 +0,0 @@ -/* crypto/engine/engine_list.c */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL - * project 2000. - */ -/* ==================================================================== - * Copyright (c) 1999 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 -#include "cryptlib.h" -#include "engine_int.h" -#include - -/* The linked-list of pointers to engine types. engine_list_head - * incorporates an implicit structural reference but engine_list_tail - * does not - the latter is a computational niceity and only points - * to something that is already pointed to by its predecessor in the - * list (or engine_list_head itself). In the same way, the use of the - * "prev" pointer in each ENGINE is to save excessive list iteration, - * it doesn't correspond to an extra structural reference. Hence, - * engine_list_head, and each non-null "next" pointer account for - * the list itself assuming exactly 1 structural reference on each - * list member. */ -static ENGINE *engine_list_head = NULL; -static ENGINE *engine_list_tail = NULL; -/* A boolean switch, used to ensure we only initialise once. This - * is needed because the engine list may genuinely become empty during - * use (so we can't use engine_list_head as an indicator for example. */ -static int engine_list_flag = 0; - -/* These static functions starting with a lower case "engine_" always - * take place when CRYPTO_LOCK_ENGINE has been locked up. */ -static int engine_list_add(ENGINE *e) - { - int conflict = 0; - ENGINE *iterator = NULL; - - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - iterator = engine_list_head; - while(iterator && !conflict) - { - conflict = (strcmp(iterator->id, e->id) == 0); - iterator = iterator->next; - } - if(conflict) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, - ENGINE_R_CONFLICTING_ENGINE_ID); - return 0; - } - if(engine_list_head == NULL) - { - /* We are adding to an empty list. */ - if(engine_list_tail) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, - ENGINE_R_INTERNAL_LIST_ERROR); - return 0; - } - engine_list_head = e; - e->prev = NULL; - } - else - { - /* We are adding to the tail of an existing list. */ - if((engine_list_tail == NULL) || - (engine_list_tail->next != NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, - ENGINE_R_INTERNAL_LIST_ERROR); - return 0; - } - engine_list_tail->next = e; - e->prev = engine_list_tail; - } - /* Having the engine in the list assumes a structural - * reference. */ - e->struct_ref++; - /* However it came to be, e is the last item in the list. */ - engine_list_tail = e; - e->next = NULL; - return 1; - } - -static int engine_list_remove(ENGINE *e) - { - ENGINE *iterator; - - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - /* We need to check that e is in our linked list! */ - iterator = engine_list_head; - while(iterator && (iterator != e)) - iterator = iterator->next; - if(iterator == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE, - ENGINE_R_ENGINE_IS_NOT_IN_LIST); - return 0; - } - /* un-link e from the chain. */ - if(e->next) - e->next->prev = e->prev; - if(e->prev) - e->prev->next = e->next; - /* Correct our head/tail if necessary. */ - if(engine_list_head == e) - engine_list_head = e->next; - if(engine_list_tail == e) - engine_list_tail = e->prev; - /* remove our structural reference. */ - e->struct_ref--; - return 1; - } - -/* This check always takes place with CRYPTO_LOCK_ENGINE locked up - * so we're synchronised, but we can't call anything that tries to - * lock it again! :-) NB: For convenience (and code-clarity) we - * don't output errors for failures of the engine_list_add function - * as it will generate errors itself. */ -static int engine_internal_check(void) - { - if(engine_list_flag) - return 1; - /* This is our first time up, we need to populate the list - * with our statically compiled-in engines. */ - if(!engine_list_add(ENGINE_openssl())) - return 0; -#ifndef NO_HW -#ifndef NO_HW_CSWIFT - if(!engine_list_add(ENGINE_cswift())) - return 0; -#endif /* !NO_HW_CSWIFT */ -#ifndef NO_HW_NCIPHER - if(!engine_list_add(ENGINE_ncipher())) - return 0; -#endif /* !NO_HW_NCIPHER */ -#ifndef NO_HW_ATALLA - if(!engine_list_add(ENGINE_atalla())) - return 0; -#endif /* !NO_HW_ATALLA */ -#endif /* !NO_HW */ - engine_list_flag = 1; - return 1; - } - -/* Get the first/last "ENGINE" type available. */ -ENGINE *ENGINE_get_first(void) - { - ENGINE *ret = NULL; - - CRYPTO_r_lock(CRYPTO_LOCK_ENGINE); - if(engine_internal_check()) - { - ret = engine_list_head; - if(ret) - ret->struct_ref++; - } - CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE); - return ret; - } -ENGINE *ENGINE_get_last(void) - { - ENGINE *ret = NULL; - - CRYPTO_r_lock(CRYPTO_LOCK_ENGINE); - if(engine_internal_check()) - { - ret = engine_list_tail; - if(ret) - ret->struct_ref++; - } - CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE); - return ret; - } - -/* Iterate to the next/previous "ENGINE" type (NULL = end of the list). */ -ENGINE *ENGINE_get_next(ENGINE *e) - { - ENGINE *ret = NULL; - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_NEXT, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - CRYPTO_r_lock(CRYPTO_LOCK_ENGINE); - ret = e->next; - e->struct_ref--; - if(ret) - ret->struct_ref++; - CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE); - return ret; - } -ENGINE *ENGINE_get_prev(ENGINE *e) - { - ENGINE *ret = NULL; - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_PREV, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - CRYPTO_r_lock(CRYPTO_LOCK_ENGINE); - ret = e->prev; - e->struct_ref--; - if(ret) - ret->struct_ref++; - CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE); - return ret; - } - -/* Add another "ENGINE" type into the list. */ -int ENGINE_add(ENGINE *e) - { - int to_return = 1; - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_ADD, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if((e->id == NULL) || (e->name == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_ADD, - ENGINE_R_ID_OR_NAME_MISSING); - } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - if(!engine_internal_check() || !engine_list_add(e)) - { - ENGINEerr(ENGINE_F_ENGINE_ADD, - ENGINE_R_INTERNAL_LIST_ERROR); - to_return = 0; - } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - return to_return; - } - -/* Remove an existing "ENGINE" type from the array. */ -int ENGINE_remove(ENGINE *e) - { - int to_return = 1; - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_REMOVE, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - if(!engine_internal_check() || !engine_list_remove(e)) - { - ENGINEerr(ENGINE_F_ENGINE_REMOVE, - ENGINE_R_INTERNAL_LIST_ERROR); - to_return = 0; - } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - return to_return; - } - -ENGINE *ENGINE_by_id(const char *id) - { - ENGINE *iterator = NULL; - if(id == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_BY_ID, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - CRYPTO_r_lock(CRYPTO_LOCK_ENGINE); - if(!engine_internal_check()) - ENGINEerr(ENGINE_F_ENGINE_BY_ID, - ENGINE_R_INTERNAL_LIST_ERROR); - else - { - iterator = engine_list_head; - while(iterator && (strcmp(id, iterator->id) != 0)) - iterator = iterator->next; - if(iterator) - /* We need to return a structural reference */ - iterator->struct_ref++; - } - CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE); - if(iterator == NULL) - ENGINEerr(ENGINE_F_ENGINE_BY_ID, - ENGINE_R_NO_SUCH_ENGINE); - return iterator; - } - -/* As per the comments in engine.h, it is generally better all round - * if the ENGINE structure is allocated within this framework. */ -#if 0 -int ENGINE_get_struct_size(void) - { - return sizeof(ENGINE); - } - -ENGINE *ENGINE_new(ENGINE *e) - { - ENGINE *ret; - - if(e == NULL) - { - ret = (ENGINE *)(OPENSSL_malloc(sizeof(ENGINE)); - if(ret == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_NEW, - ERR_R_MALLOC_FAILURE); - return NULL; - } - } - else - ret = e; - memset(ret, 0, sizeof(ENGINE)); - if(e) - ret->flags = ENGINE_FLAGS_MALLOCED; - ret->struct_ref = 1; - return ret; - } -#else -ENGINE *ENGINE_new(void) - { - ENGINE *ret; - - ret = (ENGINE *)OPENSSL_malloc(sizeof(ENGINE)); - if(ret == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_NEW, ERR_R_MALLOC_FAILURE); - return NULL; - } - memset(ret, 0, sizeof(ENGINE)); - ret->flags = ENGINE_FLAGS_MALLOCED; - ret->struct_ref = 1; - return ret; - } -#endif - -int ENGINE_free(ENGINE *e) - { - int i; - - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_FREE, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - i = CRYPTO_add(&e->struct_ref,-1,CRYPTO_LOCK_ENGINE); -#ifdef REF_PRINT - REF_PRINT("ENGINE",e); -#endif - if (i > 0) return 1; -#ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"ENGINE_free, bad reference count\n"); - abort(); - } -#endif - if(e->flags & ENGINE_FLAGS_MALLOCED) - OPENSSL_free(e); - return 1; - } - -int ENGINE_set_id(ENGINE *e, const char *id) - { - if((e == NULL) || (id == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_ID, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->id = id; - return 1; - } - -int ENGINE_set_name(ENGINE *e, const char *name) - { - if((e == NULL) || (name == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_NAME, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->name = name; - return 1; - } - -int ENGINE_set_RSA(ENGINE *e, RSA_METHOD *rsa_meth) - { - if((e == NULL) || (rsa_meth == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_RSA, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->rsa_meth = rsa_meth; - return 1; - } - -int ENGINE_set_DSA(ENGINE *e, DSA_METHOD *dsa_meth) - { - if((e == NULL) || (dsa_meth == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_DSA, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->dsa_meth = dsa_meth; - return 1; - } - -int ENGINE_set_DH(ENGINE *e, DH_METHOD *dh_meth) - { - if((e == NULL) || (dh_meth == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_DH, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->dh_meth = dh_meth; - return 1; - } - -int ENGINE_set_RAND(ENGINE *e, RAND_METHOD *rand_meth) - { - if((e == NULL) || (rand_meth == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_RAND, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->rand_meth = rand_meth; - return 1; - } - -int ENGINE_set_BN_mod_exp(ENGINE *e, BN_MOD_EXP bn_mod_exp) - { - if((e == NULL) || (bn_mod_exp == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_BN_MOD_EXP, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->bn_mod_exp = bn_mod_exp; - return 1; - } - -int ENGINE_set_BN_mod_exp_crt(ENGINE *e, BN_MOD_EXP_CRT bn_mod_exp_crt) - { - if((e == NULL) || (bn_mod_exp_crt == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_BN_MOD_EXP_CRT, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->bn_mod_exp_crt = bn_mod_exp_crt; - return 1; - } - -int ENGINE_set_init_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR init_f) - { - if((e == NULL) || (init_f == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_INIT_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->init = init_f; - return 1; - } - -int ENGINE_set_finish_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR finish_f) - { - if((e == NULL) || (finish_f == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_FINISH_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->finish = finish_f; - return 1; - } - -int ENGINE_set_ctrl_function(ENGINE *e, ENGINE_CTRL_FUNC_PTR ctrl_f) - { - if((e == NULL) || (ctrl_f == NULL)) - { - ENGINEerr(ENGINE_F_ENGINE_SET_CTRL_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->ctrl = ctrl_f; - return 1; - } - -const char *ENGINE_get_id(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_ID, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - return e->id; - } - -const char *ENGINE_get_name(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_NAME, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - return e->name; - } - -RSA_METHOD *ENGINE_get_RSA(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_RSA, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->rsa_meth; - } - -DSA_METHOD *ENGINE_get_DSA(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_DSA, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->dsa_meth; - } - -DH_METHOD *ENGINE_get_DH(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_DH, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->dh_meth; - } - -RAND_METHOD *ENGINE_get_RAND(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_RAND, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->rand_meth; - } - -BN_MOD_EXP ENGINE_get_BN_mod_exp(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_BN_MOD_EXP, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->bn_mod_exp; - } - -BN_MOD_EXP_CRT ENGINE_get_BN_mod_exp_crt(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_BN_MOD_EXP_CRT, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->bn_mod_exp_crt; - } - -ENGINE_GEN_INT_FUNC_PTR ENGINE_get_init_function(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_INIT_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->init; - } - -ENGINE_GEN_INT_FUNC_PTR ENGINE_get_finish_function(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_FINISH_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->finish; - } - -ENGINE_CTRL_FUNC_PTR ENGINE_get_ctrl_function(ENGINE *e) - { - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_GET_CTRL_FUNCTION, - ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - return e->ctrl; - } - -- cgit v1.2.3-55-g6feb