2 /* Written by Stephen Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
60 #include <openssl/crypto.h>
62 #include <openssl/conf.h>
63 #include <openssl/engine.h>
65 /* #define ENGINE_CONF_DEBUG */
67 /* ENGINE config module */
69 static char *skip_dot(char *name)
72 p = strchr(name, '.');
78 int int_engine_configure(char *name, char *value, const CONF *cnf)
82 STACK_OF(CONF_VALUE) *ecmds;
84 char *ctrlname, *ctrlvalue;
86 name = skip_dot(name);
87 #ifdef ENGINE_CONF_DEBUG
88 fprintf(stderr, "Configuring engine %s\n", name);
90 /* Value is a section containing ENGINE commands */
91 ecmds = NCONF_get_section(cnf, value);
95 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_SECTION_ERROR);
99 for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++)
101 ecmd = sk_CONF_VALUE_value(ecmds, i);
102 ctrlname = skip_dot(ecmd->name);
103 ctrlvalue = ecmd->value;
104 #ifdef ENGINE_CONF_DEBUG
105 fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n", ctrlname, ctrlvalue);
108 /* First handle some special pseudo ctrls */
110 /* Override engine name to use */
111 if (!strcmp(ctrlname, "engine_id"))
113 /* Load a dynamic ENGINE */
114 else if (!strcmp(ctrlname, "dynamic_path"))
116 e = ENGINE_by_id("dynamic");
119 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
121 if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
124 /* ... add other pseudos here ... */
127 /* At this point we need an ENGINE structural reference
128 * if we don't already have one.
132 e = ENGINE_by_id(name);
136 /* Allow "EMPTY" to mean no value: this allows a valid
137 * "value" to be passed to ctrls of type NO_INPUT
139 if (!strcmp(ctrlvalue, "EMPTY"))
141 if (!strcmp(ctrlname, "default_algorithms"))
143 if (!ENGINE_set_default_string(e, ctrlvalue))
146 else if (!ENGINE_ctrl_cmd_string(e,
147 ctrlname, ctrlvalue, 0))
161 static int int_engine_module_init(CONF_IMODULE *md, const CONF *cnf)
163 STACK_OF(CONF_VALUE) *elist;
166 #ifdef ENGINE_CONF_DEBUG
167 fprintf(stderr, "Called engine module: name %s, value %s\n",
168 CONF_imodule_get_name(md), CONF_imodule_get_value(md));
170 /* Value is a section containing ENGINEs to configure */
171 elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));
175 ENGINEerr(ENGINE_F_ENGINE_MODULE_INIT, ENGINE_R_ENGINES_SECTION_ERROR);
179 for (i = 0; i < sk_CONF_VALUE_num(elist); i++)
181 cval = sk_CONF_VALUE_value(elist, i);
182 if (!int_engine_configure(cval->name, cval->value, cnf))
189 void ENGINE_add_conf_module(void)
191 CONF_module_add("engines", int_engine_module_init, 0);