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| 1 /* eng_cnf.c */ | |
| 2 /* Written by Stephen Henson (steve@openssl.org) 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 "eng_int.h" | |
| 60 #include <openssl/conf.h> | |
| 61 | |
| 62 /* #define ENGINE_CONF_DEBUG */ | |
| 63 | |
| 64 /* ENGINE config module */ | |
| 65 | |
| 66 static char *skip_dot(char *name) | |
| 67 { | |
| 68 char *p; | |
| 69 p = strchr(name, '.'); | |
| 70 if (p) | |
| 71 return p + 1; | |
| 72 return name; | |
| 73 } | |
| 74 | |
| 75 static STACK_OF(ENGINE) *initialized_engines = NULL; | |
| 76 | |
| 77 static int int_engine_init(ENGINE *e) | |
| 78 { | |
| 79 if (!ENGINE_init(e)) | |
| 80 return 0; | |
| 81 if (!initialized_engines) | |
| 82 initialized_engines = sk_ENGINE_new_null(); | |
| 83 if (!initialized_engines || !sk_ENGINE_push(initialized_engines, e)) | |
| 84 { | |
| 85 ENGINE_finish(e); | |
| 86 return 0; | |
| 87 } | |
| 88 return 1; | |
| 89 } | |
| 90 | |
| 91 | |
| 92 static int int_engine_configure(char *name, char *value, const CONF *cnf) | |
| 93 { | |
| 94 int i; | |
| 95 int ret = 0; | |
| 96 long do_init = -1; | |
| 97 STACK_OF(CONF_VALUE) *ecmds; | |
| 98 CONF_VALUE *ecmd = NULL; | |
| 99 char *ctrlname, *ctrlvalue; | |
| 100 ENGINE *e = NULL; | |
| 101 int soft = 0; | |
| 102 | |
| 103 name = skip_dot(name); | |
| 104 #ifdef ENGINE_CONF_DEBUG | |
| 105 fprintf(stderr, "Configuring engine %s\n", name); | |
| 106 #endif | |
| 107 /* Value is a section containing ENGINE commands */ | |
| 108 ecmds = NCONF_get_section(cnf, value); | |
| 109 | |
| 110 if (!ecmds) | |
| 111 { | |
| 112 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_SECTION
_ERROR); | |
| 113 return 0; | |
| 114 } | |
| 115 | |
| 116 for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++) | |
| 117 { | |
| 118 ecmd = sk_CONF_VALUE_value(ecmds, i); | |
| 119 ctrlname = skip_dot(ecmd->name); | |
| 120 ctrlvalue = ecmd->value; | |
| 121 #ifdef ENGINE_CONF_DEBUG | |
| 122 fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n", ctrlname, ctrlvalue)
; | |
| 123 #endif | |
| 124 | |
| 125 /* First handle some special pseudo ctrls */ | |
| 126 | |
| 127 /* Override engine name to use */ | |
| 128 if (!strcmp(ctrlname, "engine_id")) | |
| 129 name = ctrlvalue; | |
| 130 else if (!strcmp(ctrlname, "soft_load")) | |
| 131 soft = 1; | |
| 132 /* Load a dynamic ENGINE */ | |
| 133 else if (!strcmp(ctrlname, "dynamic_path")) | |
| 134 { | |
| 135 e = ENGINE_by_id("dynamic"); | |
| 136 if (!e) | |
| 137 goto err; | |
| 138 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0)) | |
| 139 goto err; | |
| 140 if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0)) | |
| 141 goto err; | |
| 142 if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) | |
| 143 goto err; | |
| 144 } | |
| 145 /* ... add other pseudos here ... */ | |
| 146 else | |
| 147 { | |
| 148 /* At this point we need an ENGINE structural reference | |
| 149 * if we don't already have one. | |
| 150 */ | |
| 151 if (!e) | |
| 152 { | |
| 153 e = ENGINE_by_id(name); | |
| 154 if (!e && soft) | |
| 155 { | |
| 156 ERR_clear_error(); | |
| 157 return 1; | |
| 158 } | |
| 159 if (!e) | |
| 160 goto err; | |
| 161 } | |
| 162 /* Allow "EMPTY" to mean no value: this allows a valid | |
| 163 * "value" to be passed to ctrls of type NO_INPUT | |
| 164 */ | |
| 165 if (!strcmp(ctrlvalue, "EMPTY")) | |
| 166 ctrlvalue = NULL; | |
| 167 if (!strcmp(ctrlname, "init")) | |
| 168 { | |
| 169 if (!NCONF_get_number_e(cnf, value, "init", &do_
init)) | |
| 170 goto err; | |
| 171 if (do_init == 1) | |
| 172 { | |
| 173 if (!int_engine_init(e)) | |
| 174 goto err; | |
| 175 } | |
| 176 else if (do_init != 0) | |
| 177 { | |
| 178 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE,
ENGINE_R_INVALID_INIT_VALUE); | |
| 179 goto err; | |
| 180 } | |
| 181 } | |
| 182 else if (!strcmp(ctrlname, "default_algorithms")) | |
| 183 { | |
| 184 if (!ENGINE_set_default_string(e, ctrlvalue)) | |
| 185 goto err; | |
| 186 } | |
| 187 else if (!ENGINE_ctrl_cmd_string(e, | |
| 188 ctrlname, ctrlvalue, 0)) | |
| 189 goto err; | |
| 190 } | |
| 191 | |
| 192 | |
| 193 | |
| 194 } | |
| 195 if (e && (do_init == -1) && !int_engine_init(e)) | |
| 196 { | |
| 197 ecmd = NULL; | |
| 198 goto err; | |
| 199 } | |
| 200 ret = 1; | |
| 201 err: | |
| 202 if (ret != 1) | |
| 203 { | |
| 204 ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE, ENGINE_R_ENGINE_CONFIGU
RATION_ERROR); | |
| 205 if (ecmd) | |
| 206 ERR_add_error_data(6, "section=", ecmd->section, | |
| 207 ", name=", ecmd->name, | |
| 208 ", value=", ecmd->value); | |
| 209 } | |
| 210 if (e) | |
| 211 ENGINE_free(e); | |
| 212 return ret; | |
| 213 } | |
| 214 | |
| 215 | |
| 216 static int int_engine_module_init(CONF_IMODULE *md, const CONF *cnf) | |
| 217 { | |
| 218 STACK_OF(CONF_VALUE) *elist; | |
| 219 CONF_VALUE *cval; | |
| 220 int i; | |
| 221 #ifdef ENGINE_CONF_DEBUG | |
| 222 fprintf(stderr, "Called engine module: name %s, value %s\n", | |
| 223 CONF_imodule_get_name(md), CONF_imodule_get_value(md)); | |
| 224 #endif | |
| 225 /* Value is a section containing ENGINEs to configure */ | |
| 226 elist = NCONF_get_section(cnf, CONF_imodule_get_value(md)); | |
| 227 | |
| 228 if (!elist) | |
| 229 { | |
| 230 ENGINEerr(ENGINE_F_INT_ENGINE_MODULE_INIT, ENGINE_R_ENGINES_SECT
ION_ERROR); | |
| 231 return 0; | |
| 232 } | |
| 233 | |
| 234 for (i = 0; i < sk_CONF_VALUE_num(elist); i++) | |
| 235 { | |
| 236 cval = sk_CONF_VALUE_value(elist, i); | |
| 237 if (!int_engine_configure(cval->name, cval->value, cnf)) | |
| 238 return 0; | |
| 239 } | |
| 240 | |
| 241 return 1; | |
| 242 } | |
| 243 | |
| 244 static void int_engine_module_finish(CONF_IMODULE *md) | |
| 245 { | |
| 246 ENGINE *e; | |
| 247 while ((e = sk_ENGINE_pop(initialized_engines))) | |
| 248 ENGINE_finish(e); | |
| 249 sk_ENGINE_free(initialized_engines); | |
| 250 initialized_engines = NULL; | |
| 251 } | |
| 252 | |
| 253 | |
| 254 void ENGINE_add_conf_module(void) | |
| 255 { | |
| 256 CONF_module_add("engines", | |
| 257 int_engine_module_init, | |
| 258 int_engine_module_finish); | |
| 259 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master