1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/engine/eng_list.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * project 2000. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * licensing@OpenSSL.org. 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ECDH support in OpenSSL originally developed by 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "eng_int.h" 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* The linked-list of pointers to engine types. engine_list_head 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * incorporates an implicit structural reference but engine_list_tail 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * does not - the latter is a computational niceity and only points 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * to something that is already pointed to by its predecessor in the 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * list (or engine_list_head itself). In the same way, the use of the 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "prev" pointer in each ENGINE is to save excessive list iteration, 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * it doesn't correspond to an extra structural reference. Hence, 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * engine_list_head, and each non-null "next" pointer account for 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the list itself assuming exactly 1 structural reference on each 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * list member. */ 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic ENGINE *engine_list_head = NULL; 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic ENGINE *engine_list_tail = NULL; 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* This cleanup function is only needed internally. If it should be called, we 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * register it with the "ENGINE_cleanup()" stack to be called during cleanup. */ 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic void engine_list_cleanup(void) 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *iterator = engine_list_head; 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(iterator != NULL) 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_remove(iterator); 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = engine_list_head; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return; 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* These static functions starting with a lower case "engine_" always 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * take place when CRYPTO_LOCK_ENGINE has been locked up. */ 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int engine_list_add(ENGINE *e) 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int conflict = 0; 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *iterator = NULL; 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = engine_list_head; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(iterator && !conflict) 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project conflict = (strcmp(iterator->id, e->id) == 0); 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = iterator->next; 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(conflict) 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_CONFLICTING_ENGINE_ID); 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(engine_list_head == NULL) 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We are adding to an empty list. */ 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(engine_list_tail) 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_INTERNAL_LIST_ERROR); 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_list_head = e; 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->prev = NULL; 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* The first time the list allocates, we should register the 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * cleanup. */ 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_cleanup_add_last(engine_list_cleanup); 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We are adding to the tail of an existing list. */ 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((engine_list_tail == NULL) || 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (engine_list_tail->next != NULL)) 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_ADD, 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_INTERNAL_LIST_ERROR); 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_list_tail->next = e; 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->prev = engine_list_tail; 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Having the engine in the list assumes a structural 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * reference. */ 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->struct_ref++; 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(e, 0, 1) 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* However it came to be, e is the last item in the list. */ 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_list_tail = e; 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->next = NULL; 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int engine_list_remove(ENGINE *e) 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *iterator; 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE, 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We need to check that e is in our linked list! */ 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = engine_list_head; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(iterator && (iterator != e)) 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = iterator->next; 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(iterator == NULL) 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE, 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_ENGINE_IS_NOT_IN_LIST); 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* un-link e from the chain. */ 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e->next) 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->next->prev = e->prev; 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e->prev) 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project e->prev->next = e->next; 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Correct our head/tail if necessary. */ 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(engine_list_head == e) 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_list_head = e->next; 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(engine_list_tail == e) 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_list_tail = e->prev; 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_free_util(e, 0); 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Get the first/last "ENGINE" type available. */ 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectENGINE *ENGINE_get_first(void) 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *ret; 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = engine_list_head; 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->struct_ref++; 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(ret, 0, 1) 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectENGINE *ENGINE_get_last(void) 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *ret; 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = engine_list_tail; 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->struct_ref++; 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(ret, 0, 1) 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Iterate to the next/previous "ENGINE" type (NULL = end of the list). */ 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectENGINE *ENGINE_get_next(ENGINE *e) 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *ret = NULL; 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_GET_NEXT, 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = e->next; 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Return a valid structural refernce to the next ENGINE */ 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->struct_ref++; 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(ret, 0, 1) 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Release the structural reference to the previous ENGINE */ 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_free(e); 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectENGINE *ENGINE_get_prev(ENGINE *e) 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *ret = NULL; 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_GET_PREV, 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = e->prev; 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Return a valid structural reference to the next ENGINE */ 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->struct_ref++; 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(ret, 0, 1) 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Release the structural reference to the previous ENGINE */ 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_free(e); 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 268656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Add another "ENGINE" type into the list. */ 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint ENGINE_add(ENGINE *e) 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int to_return = 1; 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_ADD, 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((e->id == NULL) || (e->name == NULL)) 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_ADD, 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_ID_OR_NAME_MISSING); 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!engine_list_add(e)) 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_ADD, 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_INTERNAL_LIST_ERROR); 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project to_return = 0; 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return to_return; 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 294656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Remove an existing "ENGINE" type from the array. */ 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint ENGINE_remove(ENGINE *e) 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int to_return = 1; 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(e == NULL) 300656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_REMOVE, 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!engine_list_remove(e)) 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_REMOVE, 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_INTERNAL_LIST_ERROR); 310656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project to_return = 0; 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return to_return; 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 316656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic void engine_cpy(ENGINE *dest, const ENGINE *src) 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 318656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->id = src->id; 319656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->name = src->name; 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_RSA 321656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->rsa_meth = src->rsa_meth; 322656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 323656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_DSA 324656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->dsa_meth = src->dsa_meth; 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 326656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_DH 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->dh_meth = src->dh_meth; 328656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 329656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ECDH 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->ecdh_meth = src->ecdh_meth; 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ECDSA 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->ecdsa_meth = src->ecdsa_meth; 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 335656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->rand_meth = src->rand_meth; 336656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->store_meth = src->store_meth; 337656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->ciphers = src->ciphers; 338656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->digests = src->digests; 339221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom dest->pkey_meths = src->pkey_meths; 340656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->destroy = src->destroy; 341656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->init = src->init; 342656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->finish = src->finish; 343656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->ctrl = src->ctrl; 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->load_privkey = src->load_privkey; 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->load_pubkey = src->load_pubkey; 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->cmd_defns = src->cmd_defns; 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dest->flags = src->flags; 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectENGINE *ENGINE_by_id(const char *id) 351656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *iterator; 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project char *load_dir = NULL; 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(id == NULL) 355656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 356656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_BY_ID, 357656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_R_PASSED_NULL_PARAMETER); 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = engine_list_head; 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project while(iterator && (strcmp(id, iterator->id) != 0)) 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = iterator->next; 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(iterator) 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We need to return a structural reference. If this is an 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ENGINE type that returns copies, make a duplicate - otherwise 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * increment the existing ENGINE's reference count. */ 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(iterator->flags & ENGINE_FLAGS_BY_ID_COPY) 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE *cp = ENGINE_new(); 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!cp) 373656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = NULL; 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 375656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_cpy(cp, iterator); 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = cp; 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 379656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 380656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator->struct_ref++; 383656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project engine_ref_debug(iterator, 0, 1) 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#if 0 388656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(iterator == NULL) 389656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 390656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_BY_ID, 391656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_R_NO_SUCH_ENGINE); 392656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_add_error_data(2, "id=", id); 393656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 394656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return iterator; 395656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#else 396656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* EEK! Experimental code starts */ 397656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(iterator) return iterator; 398656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Prevent infinite recusrion if we're looking for the dynamic engine. */ 399656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (strcmp(id, "dynamic")) 400656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 401656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef OPENSSL_SYS_VMS 402656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = "SSLROOT:[ENGINES]"; 403656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#else 404656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = ENGINESDIR; 405656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 406656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project iterator = ENGINE_by_id("dynamic"); 407656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!iterator || !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) || 408656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project !ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) || 409656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project !ENGINE_ctrl_cmd_string(iterator, "DIR_ADD", 410656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project load_dir, 0) || 4117f7ea2d72f2e316ba518e82f06513e3477840c15Kenny Root !ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) || 412656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project !ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0)) 413656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto notfound; 414656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return iterator; 415656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 416656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectnotfound: 417221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ENGINE_free(iterator); 418656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_BY_ID,ENGINE_R_NO_SUCH_ENGINE); 419656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ERR_add_error_data(2, "id=", id); 420656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 421656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* EEK! Experimental code ends */ 422656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 423656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 424656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 425656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint ENGINE_up_ref(ENGINE *e) 426656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 427656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (e == NULL) 428656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 429656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINEerr(ENGINE_F_ENGINE_UP_REF,ERR_R_PASSED_NULL_PARAMETER); 430656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 431656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 432656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_add(&e->struct_ref,1,CRYPTO_LOCK_ENGINE); 433656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 434656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 435