X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fengine%2Feng_lib.c;h=6238f9d1a272e092a7646bab7a3ec2d14f760f63;hp=5815b867f4937fe5d484f38bb3d666f6b626e367;hb=40720ce;hpb=9d03aabea3ead1fe6a194297ddffd4a87f89b93c

diff --git a/crypto/engine/eng_lib.c b/crypto/engine/eng_lib.c
index 5815b867f4..6238f9d1a2 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
@@ -62,268 +63,282 @@
 /* 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
-	/* 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;
-	}
+    /*
+     * 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;
+}