diff options
Diffstat (limited to 'crypto/engine/eng_lib.c')
| -rw-r--r-- | crypto/engine/eng_lib.c | 427 |
1 files changed, 221 insertions, 206 deletions
diff --git a/crypto/engine/eng_lib.c b/crypto/engine/eng_lib.c index 18a6664645..dc2abd28ec 100644 --- a/crypto/engine/eng_lib.c +++ b/crypto/engine/eng_lib.c @@ -1,6 +1,7 @@ /* crypto/engine/eng_lib.c */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL - * project 2000. +/* + * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project + * 2000. */ /* ==================================================================== * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -62,271 +63,285 @@ /* The "new"/"free" stuff first */ 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->struct_ref = 1; - engine_ref_debug(ret, 0, 1) - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ENGINE, ret, &ret->ex_data); - return ret; - } - -/* Placed here (close proximity to ENGINE_new) so that modifications to the +{ + 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->struct_ref = 1; + engine_ref_debug(ret, 0, 1) + CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ENGINE, ret, &ret->ex_data); + return ret; +} + +/* + * Placed here (close proximity to ENGINE_new) so that modifications to the * elements of the ENGINE structure are more likely to be caught and changed - * here. */ + * here. + */ void engine_set_all_null(ENGINE *e) - { - e->id = NULL; - e->name = NULL; - e->rsa_meth = NULL; - e->dsa_meth = NULL; - e->dh_meth = NULL; - e->rand_meth = NULL; - e->store_meth = NULL; - e->ciphers = NULL; - e->digests = NULL; - e->destroy = NULL; - e->init = NULL; - e->finish = NULL; - e->ctrl = NULL; - e->load_privkey = NULL; - e->load_pubkey = NULL; - e->cmd_defns = NULL; - e->flags = 0; - } +{ + e->id = NULL; + e->name = NULL; + e->rsa_meth = NULL; + e->dsa_meth = NULL; + e->dh_meth = NULL; + e->rand_meth = NULL; + e->store_meth = NULL; + e->ciphers = NULL; + e->digests = NULL; + e->destroy = NULL; + e->init = NULL; + e->finish = NULL; + e->ctrl = NULL; + e->load_privkey = NULL; + e->load_pubkey = NULL; + e->cmd_defns = NULL; + e->flags = 0; +} int engine_free_util(ENGINE *e, int locked) - { - int i; - - if(e == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_FREE_UTIL, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if(locked) - i = CRYPTO_add(&e->struct_ref,-1,CRYPTO_LOCK_ENGINE); - else - i = --e->struct_ref; - engine_ref_debug(e, 0, -1) - if (i > 0) return 1; +{ + int i; + + if (e == NULL) { + ENGINEerr(ENGINE_F_ENGINE_FREE_UTIL, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + if (locked) + i = CRYPTO_add(&e->struct_ref, -1, CRYPTO_LOCK_ENGINE); + else + i = --e->struct_ref; + engine_ref_debug(e, 0, -1) + if (i > 0) + return 1; #ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"ENGINE_free, bad structural reference count\n"); - abort(); - } + if (i < 0) { + fprintf(stderr, "ENGINE_free, bad structural reference count\n"); + abort(); + } #endif - /* Free up any dynamically allocated public key methods */ - engine_pkey_meths_free(e); - engine_pkey_asn1_meths_free(e); - /* Give the ENGINE a chance to do any structural cleanup corresponding - * to allocation it did in its constructor (eg. unload error strings) */ - if(e->destroy) - e->destroy(e); - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ENGINE, e, &e->ex_data); - OPENSSL_free(e); - return 1; - } + /* Free up any dynamically allocated public key methods */ + engine_pkey_meths_free(e); + engine_pkey_asn1_meths_free(e); + /* + * Give the ENGINE a chance to do any structural cleanup corresponding to + * allocation it did in its constructor (eg. unload error strings) + */ + if (e->destroy) + e->destroy(e); + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ENGINE, e, &e->ex_data); + OPENSSL_free(e); + return 1; +} int ENGINE_free(ENGINE *e) - { - return engine_free_util(e, 1); - } +{ + return engine_free_util(e, 1); +} /* Cleanup stuff */ -/* ENGINE_cleanup() is coded such that anything that does work that will need - * cleanup can register a "cleanup" callback here. That way we don't get linker - * bloat by referring to all *possible* cleanups, but any linker bloat into code - * "X" will cause X's cleanup function to end up here. */ +/* + * ENGINE_cleanup() is coded such that anything that does work that will need + * cleanup can register a "cleanup" callback here. That way we don't get + * linker bloat by referring to all *possible* cleanups, but any linker bloat + * into code "X" will cause X's cleanup function to end up here. + */ static STACK_OF(ENGINE_CLEANUP_ITEM) *cleanup_stack = NULL; static int int_cleanup_check(int create) - { - if(cleanup_stack) return 1; - if(!create) return 0; - cleanup_stack = sk_ENGINE_CLEANUP_ITEM_new_null(); - return (cleanup_stack ? 1 : 0); - } +{ + if (cleanup_stack) + return 1; + if (!create) + return 0; + cleanup_stack = sk_ENGINE_CLEANUP_ITEM_new_null(); + return (cleanup_stack ? 1 : 0); +} + static ENGINE_CLEANUP_ITEM *int_cleanup_item(ENGINE_CLEANUP_CB *cb) - { - ENGINE_CLEANUP_ITEM *item = OPENSSL_malloc(sizeof( - ENGINE_CLEANUP_ITEM)); - if(!item) return NULL; - item->cb = cb; - return item; - } +{ + ENGINE_CLEANUP_ITEM *item = OPENSSL_malloc(sizeof(ENGINE_CLEANUP_ITEM)); + if (!item) + return NULL; + item->cb = cb; + return item; +} + void engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb) - { - ENGINE_CLEANUP_ITEM *item; - if(!int_cleanup_check(1)) return; - item = int_cleanup_item(cb); - if(item) - sk_ENGINE_CLEANUP_ITEM_insert(cleanup_stack, item, 0); - } +{ + ENGINE_CLEANUP_ITEM *item; + if (!int_cleanup_check(1)) + return; + item = int_cleanup_item(cb); + if (item) + sk_ENGINE_CLEANUP_ITEM_insert(cleanup_stack, item, 0); +} + void engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb) - { - ENGINE_CLEANUP_ITEM *item; - if(!int_cleanup_check(1)) return; - item = int_cleanup_item(cb); - if(item) - sk_ENGINE_CLEANUP_ITEM_push(cleanup_stack, item); - } +{ + ENGINE_CLEANUP_ITEM *item; + if (!int_cleanup_check(1)) + return; + item = int_cleanup_item(cb); + if (item) + sk_ENGINE_CLEANUP_ITEM_push(cleanup_stack, item); +} + /* The API function that performs all cleanup */ static void engine_cleanup_cb_free(ENGINE_CLEANUP_ITEM *item) - { - (*(item->cb))(); - OPENSSL_free(item); - } +{ + (*(item->cb)) (); + OPENSSL_free(item); +} + void ENGINE_cleanup(void) - { - if(int_cleanup_check(0)) - { - sk_ENGINE_CLEANUP_ITEM_pop_free(cleanup_stack, - engine_cleanup_cb_free); - cleanup_stack = NULL; - } - /* FIXME: This should be handled (somehow) through RAND, eg. by it - * registering a cleanup callback. */ - RAND_set_rand_method(NULL); - } +{ + if (int_cleanup_check(0)) { + sk_ENGINE_CLEANUP_ITEM_pop_free(cleanup_stack, + engine_cleanup_cb_free); + cleanup_stack = NULL; + } + /* + * FIXME: This should be handled (somehow) through RAND, eg. by it + * registering a cleanup callback. + */ + RAND_set_rand_method(NULL); +} /* Now the "ex_data" support */ int ENGINE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ENGINE, argl, argp, - new_func, dup_func, free_func); - } + CRYPTO_EX_dup *dup_func, + CRYPTO_EX_free *free_func) +{ + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ENGINE, argl, argp, + new_func, dup_func, free_func); +} int ENGINE_set_ex_data(ENGINE *e, int idx, void *arg) - { - return(CRYPTO_set_ex_data(&e->ex_data, idx, arg)); - } +{ + return (CRYPTO_set_ex_data(&e->ex_data, idx, arg)); +} void *ENGINE_get_ex_data(const ENGINE *e, int idx) - { - return(CRYPTO_get_ex_data(&e->ex_data, idx)); - } +{ + return (CRYPTO_get_ex_data(&e->ex_data, idx)); +} -/* Functions to get/set an ENGINE's elements - mainly to avoid exposing the - * ENGINE structure itself. */ +/* + * Functions to get/set an ENGINE's elements - mainly to avoid exposing the + * ENGINE structure itself. + */ int ENGINE_set_id(ENGINE *e, const char *id) - { - if(id == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_SET_ID, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->id = id; - return 1; - } +{ + if (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(name == NULL) - { - ENGINEerr(ENGINE_F_ENGINE_SET_NAME, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - e->name = name; - return 1; - } +{ + if (name == NULL) { + ENGINEerr(ENGINE_F_ENGINE_SET_NAME, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + e->name = name; + return 1; +} int ENGINE_set_destroy_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR destroy_f) - { - e->destroy = destroy_f; - return 1; - } +{ + e->destroy = destroy_f; + return 1; +} int ENGINE_set_init_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR init_f) - { - e->init = init_f; - return 1; - } +{ + e->init = init_f; + return 1; +} int ENGINE_set_finish_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR finish_f) - { - e->finish = finish_f; - return 1; - } +{ + e->finish = finish_f; + return 1; +} int ENGINE_set_ctrl_function(ENGINE *e, ENGINE_CTRL_FUNC_PTR ctrl_f) - { - e->ctrl = ctrl_f; - return 1; - } +{ + e->ctrl = ctrl_f; + return 1; +} int ENGINE_set_flags(ENGINE *e, int flags) - { - e->flags = flags; - return 1; - } +{ + e->flags = flags; + return 1; +} int ENGINE_set_cmd_defns(ENGINE *e, const ENGINE_CMD_DEFN *defns) - { - e->cmd_defns = defns; - return 1; - } +{ + e->cmd_defns = defns; + return 1; +} const char *ENGINE_get_id(const ENGINE *e) - { - return e->id; - } +{ + return e->id; +} const char *ENGINE_get_name(const ENGINE *e) - { - return e->name; - } +{ + return e->name; +} ENGINE_GEN_INT_FUNC_PTR ENGINE_get_destroy_function(const ENGINE *e) - { - return e->destroy; - } +{ + return e->destroy; +} ENGINE_GEN_INT_FUNC_PTR ENGINE_get_init_function(const ENGINE *e) - { - return e->init; - } +{ + return e->init; +} ENGINE_GEN_INT_FUNC_PTR ENGINE_get_finish_function(const ENGINE *e) - { - return e->finish; - } +{ + return e->finish; +} ENGINE_CTRL_FUNC_PTR ENGINE_get_ctrl_function(const ENGINE *e) - { - return e->ctrl; - } +{ + return e->ctrl; +} int ENGINE_get_flags(const ENGINE *e) - { - return e->flags; - } +{ + return e->flags; +} const ENGINE_CMD_DEFN *ENGINE_get_cmd_defns(const ENGINE *e) - { - return e->cmd_defns; - } +{ + return e->cmd_defns; +} -/* eng_lib.o is pretty much linked into anything that touches ENGINE already, so - * put the "static_state" hack here. */ +/* + * eng_lib.o is pretty much linked into anything that touches ENGINE already, + * so put the "static_state" hack here. + */ static int internal_static_hack = 0; void *ENGINE_get_static_state(void) - { - return &internal_static_hack; - } +{ + return &internal_static_hack; +} |