--- /dev/null
+/* 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);
+ }
projects / cassiopeia.git / blobdiff