X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fengine%2Feng_list.c;h=95c858960b811b5cb910dcffbc17a3cfdda2a43f;hp=b730f130b0ca859049d141d927ca2cba36ce1dd4;hb=e933f91f50108a43c0198cdc63ecdfdbc77b4d0d;hpb=b6d1e52d454bb321153c70cf763945d4b0d4f78e

diff --git a/crypto/engine/eng_list.c b/crypto/engine/eng_list.c
index b730f130b0..95c858960b 100644
--- a/crypto/engine/eng_list.c
+++ b/crypto/engine/eng_list.c
@@ -55,11 +55,13 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECDH support in OpenSSL originally developed by 
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
 
-#include <openssl/crypto.h>
-#include "cryptlib.h"
 #include "eng_int.h"
-#include <openssl/engine.h>
 
 /* The linked-list of pointers to engine types. engine_list_head
  * incorporates an implicit structural reference but engine_list_tail
@@ -191,14 +193,14 @@ ENGINE *ENGINE_get_first(void)
 	{
 	ENGINE *ret;
 
-	CRYPTO_r_lock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 	ret = engine_list_head;
 	if(ret)
 		{
 		ret->struct_ref++;
 		engine_ref_debug(ret, 0, 1)
 		}
-	CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 	return ret;
 	}
 
@@ -206,14 +208,14 @@ ENGINE *ENGINE_get_last(void)
 	{
 	ENGINE *ret;
 
-	CRYPTO_r_lock(CRYPTO_LOCK_ENGINE);
-		ret = engine_list_tail;
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	ret = engine_list_tail;
 	if(ret)
 		{
 		ret->struct_ref++;
 		engine_ref_debug(ret, 0, 1)
 		}
-	CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 	return ret;
 	}
 
@@ -227,7 +229,7 @@ ENGINE *ENGINE_get_next(ENGINE *e)
 			ERR_R_PASSED_NULL_PARAMETER);
 		return 0;
 		}
-	CRYPTO_r_lock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 	ret = e->next;
 	if(ret)
 		{
@@ -235,7 +237,7 @@ ENGINE *ENGINE_get_next(ENGINE *e)
 		ret->struct_ref++;
 		engine_ref_debug(ret, 0, 1)
 		}
-	CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 	/* Release the structural reference to the previous ENGINE */
 	ENGINE_free(e);
 	return ret;
@@ -250,7 +252,7 @@ ENGINE *ENGINE_get_prev(ENGINE *e)
 			ERR_R_PASSED_NULL_PARAMETER);
 		return 0;
 		}
-	CRYPTO_r_lock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 	ret = e->prev;
 	if(ret)
 		{
@@ -258,7 +260,7 @@ ENGINE *ENGINE_get_prev(ENGINE *e)
 		ret->struct_ref++;
 		engine_ref_debug(ret, 0, 1)
 		}
-	CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 	/* Release the structural reference to the previous ENGINE */
 	ENGINE_free(e);
 	return ret;
@@ -323,8 +325,18 @@ static void engine_cpy(ENGINE *dest, const ENGINE *src)
 #endif
 #ifndef OPENSSL_NO_DH
 	dest->dh_meth = src->dh_meth;
+#endif
+#ifndef OPENSSL_NO_ECDH
+	dest->ecdh_meth = src->ecdh_meth;
+#endif
+#ifndef OPENSSL_NO_ECDSA
+	dest->ecdsa_meth = src->ecdsa_meth;
 #endif
 	dest->rand_meth = src->rand_meth;
+	dest->store_meth = src->store_meth;
+	dest->ciphers = src->ciphers;
+	dest->digests = src->digests;
+	dest->pkey_meths = src->pkey_meths;
 	dest->destroy = src->destroy;
 	dest->init = src->init;
 	dest->finish = src->finish;
@@ -338,13 +350,14 @@ static void engine_cpy(ENGINE *dest, const ENGINE *src)
 ENGINE *ENGINE_by_id(const char *id)
 	{
 	ENGINE *iterator;
+	char *load_dir = NULL;
 	if(id == NULL)
 		{
 		ENGINEerr(ENGINE_F_ENGINE_BY_ID,
 			ERR_R_PASSED_NULL_PARAMETER);
 		return NULL;
 		}
-	CRYPTO_r_lock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 	iterator = engine_list_head;
 	while(iterator && (strcmp(id, iterator->id) != 0))
 		iterator = iterator->next;
@@ -370,9 +383,52 @@ ENGINE *ENGINE_by_id(const char *id)
 			engine_ref_debug(iterator, 0, 1)
 			}
 		}
-	CRYPTO_r_unlock(CRYPTO_LOCK_ENGINE);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+#if 0
 	if(iterator == NULL)
+		{
 		ENGINEerr(ENGINE_F_ENGINE_BY_ID,
 			ENGINE_R_NO_SUCH_ENGINE);
+		ERR_add_error_data(2, "id=", id);
+		}
 	return iterator;
+#else
+	/* EEK! Experimental code starts */
+	if(iterator) return iterator;
+	/* Prevent infinite recusrion if we're looking for the dynamic engine. */
+	if (strcmp(id, "dynamic"))
+		{
+#ifdef OPENSSL_SYS_VMS
+		if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = "SSLROOT:[ENGINES]";
+#else
+		if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = ENGINESDIR;
+#endif
+		iterator = ENGINE_by_id("dynamic");
+		if(!iterator || !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "DIR_ADD",
+					load_dir, 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0))
+				goto notfound;
+		return iterator;
+		}
+notfound:
+	ENGINE_free(iterator);
+	ENGINEerr(ENGINE_F_ENGINE_BY_ID,ENGINE_R_NO_SUCH_ENGINE);
+	ERR_add_error_data(2, "id=", id);
+	return NULL;
+	/* EEK! Experimental code ends */
+#endif
+	}
+
+int ENGINE_up_ref(ENGINE *e)
+	{
+	if (e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_UP_REF,ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_add(&e->struct_ref,1,CRYPTO_LOCK_ENGINE);
+	return 1;
 	}