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Diffstat (limited to 'src/lib/libcrypto/engine/eng_cnf.c')
-rw-r--r--src/lib/libcrypto/engine/eng_cnf.c242
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diff --git a/src/lib/libcrypto/engine/eng_cnf.c b/src/lib/libcrypto/engine/eng_cnf.c
deleted file mode 100644
index 4225760af1..0000000000
--- a/src/lib/libcrypto/engine/eng_cnf.c
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1/* eng_cnf.c */
2/* Written by Stephen Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 2001.
4 */
5/* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
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
18 * distribution.
19 *
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/)"
24 *
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.
29 *
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.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
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 * ====================================================================
52 *
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).
56 *
57 */
58
59#include <stdio.h>
60#include <openssl/crypto.h>
61#include "cryptlib.h"
62#include <openssl/conf.h>
63#include <openssl/engine.h>
64
65/* #define ENGINE_CONF_DEBUG */
66
67/* ENGINE config module */
68
69static char *skip_dot(char *name)
70 {
71 char *p;
72 p = strchr(name, '.');
73 if (p)
74 return p + 1;
75 return name;
76 }
77
78static STACK_OF(ENGINE) *initialized_engines = NULL;
79
80static int int_engine_init(ENGINE *e)
81 {
82 if (!ENGINE_init(e))
83 return 0;
84 if (!initialized_engines)
85 initialized_engines = sk_ENGINE_new_null();
86 if (!initialized_engines || !sk_ENGINE_push(initialized_engines, e))
87 {
88 ENGINE_finish(e);
89 return 0;
90 }
91 return 1;
92 }
93
94
95static int int_engine_configure(char *name, char *value, const CONF *cnf)
96 {
97 int i;
98 int ret = 0;
99 long do_init = -1;
100 STACK_OF(CONF_VALUE) *ecmds;
101 CONF_VALUE *ecmd;
102 char *ctrlname, *ctrlvalue;
103 ENGINE *e = NULL;
104 name = skip_dot(name);
105#ifdef ENGINE_CONF_DEBUG
106 fprintf(stderr, "Configuring engine %s\n", name);
107#endif
108 /* Value is a section containing ENGINE commands */
109 ecmds = NCONF_get_section(cnf, value);
110
111 if (!ecmds)
112 {
113 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_SECTION_ERROR);
114 return 0;
115 }
116
117 for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++)
118 {
119 ecmd = sk_CONF_VALUE_value(ecmds, i);
120 ctrlname = skip_dot(ecmd->name);
121 ctrlvalue = ecmd->value;
122#ifdef ENGINE_CONF_DEBUG
123 fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n", ctrlname, ctrlvalue);
124#endif
125
126 /* First handle some special pseudo ctrls */
127
128 /* Override engine name to use */
129 if (!strcmp(ctrlname, "engine_id"))
130 name = ctrlvalue;
131 /* Load a dynamic ENGINE */
132 else if (!strcmp(ctrlname, "dynamic_path"))
133 {
134 e = ENGINE_by_id("dynamic");
135 if (!e)
136 goto err;
137 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
138 goto err;
139 if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
140 goto err;
141 if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
142 goto err;
143 }
144 /* ... add other pseudos here ... */
145 else
146 {
147 /* At this point we need an ENGINE structural reference
148 * if we don't already have one.
149 */
150 if (!e)
151 {
152 e = ENGINE_by_id(name);
153 if (!e)
154 return 0;
155 }
156 /* Allow "EMPTY" to mean no value: this allows a valid
157 * "value" to be passed to ctrls of type NO_INPUT
158 */
159 if (!strcmp(ctrlvalue, "EMPTY"))
160 ctrlvalue = NULL;
161 if (!strcmp(ctrlname, "init"))
162 {
163 if (!NCONF_get_number_e(cnf, value, "init", &do_init))
164 goto err;
165 if (do_init == 1)
166 {
167 if (!int_engine_init(e))
168 goto err;
169 }
170 else if (do_init != 0)
171 {
172 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_INVALID_INIT_VALUE);
173 goto err;
174 }
175 }
176 else if (!strcmp(ctrlname, "default_algorithms"))
177 {
178 if (!ENGINE_set_default_string(e, ctrlvalue))
179 goto err;
180 }
181 else if (!ENGINE_ctrl_cmd_string(e,
182 ctrlname, ctrlvalue, 0))
183 return 0;
184 }
185
186
187
188 }
189 if (e && (do_init == -1) && !int_engine_init(e))
190 goto err;
191 ret = 1;
192 err:
193 if (e)
194 ENGINE_free(e);
195 return ret;
196 }
197
198
199static int int_engine_module_init(CONF_IMODULE *md, const CONF *cnf)
200 {
201 STACK_OF(CONF_VALUE) *elist;
202 CONF_VALUE *cval;
203 int i;
204#ifdef ENGINE_CONF_DEBUG
205 fprintf(stderr, "Called engine module: name %s, value %s\n",
206 CONF_imodule_get_name(md), CONF_imodule_get_value(md));
207#endif
208 /* Value is a section containing ENGINEs to configure */
209 elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));
210
211 if (!elist)
212 {
213 ENGINEerr(ENGINE_F_ENGINE_MODULE_INIT, ENGINE_R_ENGINES_SECTION_ERROR);
214 return 0;
215 }
216
217 for (i = 0; i < sk_CONF_VALUE_num(elist); i++)
218 {
219 cval = sk_CONF_VALUE_value(elist, i);
220 if (!int_engine_configure(cval->name, cval->value, cnf))
221 return 0;
222 }
223
224 return 1;
225 }
226
227static void int_engine_module_finish(CONF_IMODULE *md)
228 {
229 ENGINE *e;
230 while ((e = sk_ENGINE_pop(initialized_engines)))
231 ENGINE_finish(e);
232 sk_ENGINE_free(initialized_engines);
233 initialized_engines = NULL;
234 }
235
236
237void ENGINE_add_conf_module(void)
238 {
239 CONF_module_add("engines",
240 int_engine_module_init,
241 int_engine_module_finish);
242 }
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