/* 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.
* 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
/* 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 = OPENSSL_zalloc(sizeof(*ret));
+ if (ret == NULL) {
+ ENGINEerr(ENGINE_F_ENGINE_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ 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,
- 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)
+ return 1;
+ 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
- /* 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(*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;
+}
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