Initial import

1 files changed, 259 insertions, 0 deletions

diff --git a/openssl/crypto/engine/eng_cnf.c b/openssl/crypto/engine/eng_cnf.c
new file mode 100644
index 00000000..95c40700
--- /dev/null
+++ b/openssl/crypto/engine/eng_cnf.c
@@ -0,0 +1,259 @@
+/* eng_cnf.c */
+/* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
+ * project 2001.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    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 documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "eng_int.h"
+#include <openssl/conf.h>
+
+/* #define ENGINE_CONF_DEBUG */
+
+/* ENGINE config module */
+
+static char *skip_dot(char *name)
+	{
+	char *p;
+	p = strchr(name, '.');
+	if (p)
+		return p + 1;
+	return name;
+	}
+
+static STACK_OF(ENGINE) *initialized_engines = NULL;
+
+static int int_engine_init(ENGINE *e)
+	{
+	if (!ENGINE_init(e))
+		return 0;
+	if (!initialized_engines)
+		initialized_engines = sk_ENGINE_new_null();
+	if (!initialized_engines || !sk_ENGINE_push(initialized_engines, e))
+		{
+		ENGINE_finish(e);
+		return 0;
+		}
+	return 1;
+	}
+	
+
+static int int_engine_configure(char *name, char *value, const CONF *cnf)
+	{
+	int i;
+	int ret = 0;
+	long do_init = -1;
+	STACK_OF(CONF_VALUE) *ecmds;
+	CONF_VALUE *ecmd = NULL;
+	char *ctrlname, *ctrlvalue;
+	ENGINE *e = NULL;
+	int soft = 0;
+
+	name = skip_dot(name);
+#ifdef ENGINE_CONF_DEBUG
+	fprintf(stderr, "Configuring engine %s\n", name);
+#endif
+	/* Value is a section containing ENGINE commands */
+	ecmds = NCONF_get_section(cnf, value);
+
+	if (!ecmds)
+		{
+		ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_SECTION_ERROR);
+		return 0;
+		}
+
+	for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++)
+		{
+		ecmd = sk_CONF_VALUE_value(ecmds, i);
+		ctrlname = skip_dot(ecmd->name);
+		ctrlvalue = ecmd->value;
+#ifdef ENGINE_CONF_DEBUG
+	fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n", ctrlname, ctrlvalue);
+#endif
+
+		/* First handle some special pseudo ctrls */
+
+		/* Override engine name to use */
+		if (!strcmp(ctrlname, "engine_id"))
+			name = ctrlvalue;
+		else if (!strcmp(ctrlname, "soft_load"))
+			soft = 1;
+		/* Load a dynamic ENGINE */
+		else if (!strcmp(ctrlname, "dynamic_path"))
+			{
+			e = ENGINE_by_id("dynamic");
+			if (!e)
+				goto err;
+			if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
+				goto err;
+			if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
+				goto err;
+			if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
+				goto err;
+			}
+		/* ... add other pseudos here ... */
+		else
+			{
+			/* At this point we need an ENGINE structural reference
+			 * if we don't already have one.
+			 */
+			if (!e)
+				{
+				e = ENGINE_by_id(name);
+				if (!e && soft)
+					{
+					ERR_clear_error();
+					return 1;
+					}
+				if (!e)
+					goto err;
+				}
+			/* Allow "EMPTY" to mean no value: this allows a valid
+			 * "value" to be passed to ctrls of type NO_INPUT
+		 	 */
+			if (!strcmp(ctrlvalue, "EMPTY"))
+				ctrlvalue = NULL;
+			if (!strcmp(ctrlname, "init"))
+				{
+				if (!NCONF_get_number_e(cnf, value, "init", &do_init))
+					goto err;
+				if (do_init == 1)
+					{
+					if (!int_engine_init(e))
+						goto err;
+					}
+				else if (do_init != 0)
+					{
+					ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_INVALID_INIT_VALUE);
+					goto err;
+					}
+				}
+			else if (!strcmp(ctrlname, "default_algorithms"))
+				{
+				if (!ENGINE_set_default_string(e, ctrlvalue))
+					goto err;
+				}
+			else if (!ENGINE_ctrl_cmd_string(e,
+					ctrlname, ctrlvalue, 0))
+				goto err;
+			}
+
+
+
+		}
+	if (e && (do_init == -1) && !int_engine_init(e))
+		{
+		ecmd = NULL;
+		goto err;
+		}
+	ret = 1;
+	err:
+	if (ret != 1)
+		{
+		ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_CONFIGURATION_ERROR);
+		if (ecmd)
+			ERR_add_error_data(6, "section=", ecmd->section, 
+						", name=", ecmd->name,
+						", value=", ecmd->value);
+		}
+	if (e)
+		ENGINE_free(e);
+	return ret;
+	}
+
+
+static int int_engine_module_init(CONF_IMODULE *md, const CONF *cnf)
+	{
+	STACK_OF(CONF_VALUE) *elist;
+	CONF_VALUE *cval;
+	int i;
+#ifdef ENGINE_CONF_DEBUG
+	fprintf(stderr, "Called engine module: name %s, value %s\n",
+			CONF_imodule_get_name(md), CONF_imodule_get_value(md));
+#endif
+	/* Value is a section containing ENGINEs to configure */
+	elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));
+
+	if (!elist)
+		{
+		ENGINEerr(ENGINE_F_INT_ENGINE_MODULE_INIT, ENGINE_R_ENGINES_SECTION_ERROR);
+		return 0;
+		}
+
+	for (i = 0; i < sk_CONF_VALUE_num(elist); i++)
+		{
+		cval = sk_CONF_VALUE_value(elist, i);
+		if (!int_engine_configure(cval->name, cval->value, cnf))
+			return 0;
+		}
+
+	return 1;
+	}
+
+static void int_engine_module_finish(CONF_IMODULE *md)
+	{
+	ENGINE *e;
+	while ((e = sk_ENGINE_pop(initialized_engines)))
+		ENGINE_finish(e);
+	sk_ENGINE_free(initialized_engines);
+	initialized_engines = NULL;
+	}
+	
+
+void ENGINE_add_conf_module(void)
+	{
+	CONF_module_add("engines",
+			int_engine_module_init,
+			int_engine_module_finish);
+	}