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| 1 /* conf_api.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 /* Part of the code in here was originally in conf.c, which is now removed */ | |
| 60 | |
| 61 #ifndef CONF_DEBUG | |
| 62 # undef NDEBUG /* avoid conflicting definitions */ | |
| 63 # define NDEBUG | |
| 64 #endif | |
| 65 | |
| 66 #include <assert.h> | |
| 67 #include <stdlib.h> | |
| 68 #include <string.h> | |
| 69 #include <openssl/conf.h> | |
| 70 #include <openssl/conf_api.h> | |
| 71 #include "e_os.h" | |
| 72 | |
| 73 static void value_free_hash_doall_arg(CONF_VALUE *a, | |
| 74 LHASH_OF(CONF_VALUE) *conf); | |
| 75 static void value_free_stack_doall(CONF_VALUE *a); | |
| 76 static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE, | |
| 77 LHASH_OF(CONF_VALUE)) | |
| 78 static IMPLEMENT_LHASH_DOALL_FN(value_free_stack, CONF_VALUE) | |
| 79 | |
| 80 /* Up until OpenSSL 0.9.5a, this was get_section */ | |
| 81 CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section) | |
| 82 { | |
| 83 CONF_VALUE *v,vv; | |
| 84 | |
| 85 if ((conf == NULL) || (section == NULL)) return(NULL); | |
| 86 vv.name=NULL; | |
| 87 vv.section=(char *)section; | |
| 88 v=lh_CONF_VALUE_retrieve(conf->data,&vv); | |
| 89 return(v); | |
| 90 } | |
| 91 | |
| 92 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */ | |
| 93 STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf, | |
| 94 const char *section) | |
| 95 { | |
| 96 CONF_VALUE *v; | |
| 97 | |
| 98 v=_CONF_get_section(conf,section); | |
| 99 if (v != NULL) | |
| 100 return((STACK_OF(CONF_VALUE) *)v->value); | |
| 101 else | |
| 102 return(NULL); | |
| 103 } | |
| 104 | |
| 105 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value) | |
| 106 { | |
| 107 CONF_VALUE *v = NULL; | |
| 108 STACK_OF(CONF_VALUE) *ts; | |
| 109 | |
| 110 ts = (STACK_OF(CONF_VALUE) *)section->value; | |
| 111 | |
| 112 value->section=section->section; | |
| 113 if (!sk_CONF_VALUE_push(ts,value)) | |
| 114 { | |
| 115 return 0; | |
| 116 } | |
| 117 | |
| 118 v = lh_CONF_VALUE_insert(conf->data, value); | |
| 119 if (v != NULL) | |
| 120 { | |
| 121 (void)sk_CONF_VALUE_delete_ptr(ts,v); | |
| 122 OPENSSL_free(v->name); | |
| 123 OPENSSL_free(v->value); | |
| 124 OPENSSL_free(v); | |
| 125 } | |
| 126 return 1; | |
| 127 } | |
| 128 | |
| 129 char *_CONF_get_string(const CONF *conf, const char *section, const char *name) | |
| 130 { | |
| 131 CONF_VALUE *v,vv; | |
| 132 char *p; | |
| 133 | |
| 134 if (name == NULL) return(NULL); | |
| 135 if (conf != NULL) | |
| 136 { | |
| 137 if (section != NULL) | |
| 138 { | |
| 139 vv.name=(char *)name; | |
| 140 vv.section=(char *)section; | |
| 141 v=lh_CONF_VALUE_retrieve(conf->data,&vv); | |
| 142 if (v != NULL) return(v->value); | |
| 143 if (strcmp(section,"ENV") == 0) | |
| 144 { | |
| 145 p=getenv(name); | |
| 146 if (p != NULL) return(p); | |
| 147 } | |
| 148 } | |
| 149 vv.section="default"; | |
| 150 vv.name=(char *)name; | |
| 151 v=lh_CONF_VALUE_retrieve(conf->data,&vv); | |
| 152 if (v != NULL) | |
| 153 return(v->value); | |
| 154 else | |
| 155 return(NULL); | |
| 156 } | |
| 157 else | |
| 158 return(getenv(name)); | |
| 159 } | |
| 160 | |
| 161 #if 0 /* There's no way to provide error checking with this function, so | |
| 162 force implementors of the higher levels to get a string and read | |
| 163 the number themselves. */ | |
| 164 long _CONF_get_number(CONF *conf, char *section, char *name) | |
| 165 { | |
| 166 char *str; | |
| 167 long ret=0; | |
| 168 | |
| 169 str=_CONF_get_string(conf,section,name); | |
| 170 if (str == NULL) return(0); | |
| 171 for (;;) | |
| 172 { | |
| 173 if (conf->meth->is_number(conf, *str)) | |
| 174 ret=ret*10+conf->meth->to_int(conf, *str); | |
| 175 else | |
| 176 return(ret); | |
| 177 str++; | |
| 178 } | |
| 179 } | |
| 180 #endif | |
| 181 | |
| 182 static unsigned long conf_value_hash(const CONF_VALUE *v) | |
| 183 { | |
| 184 return (lh_strhash(v->section)<<2)^lh_strhash(v->name); | |
| 185 } | |
| 186 static IMPLEMENT_LHASH_HASH_FN(conf_value, CONF_VALUE) | |
| 187 | |
| 188 static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b) | |
| 189 { | |
| 190 int i; | |
| 191 | |
| 192 if (a->section != b->section) | |
| 193 { | |
| 194 i=strcmp(a->section,b->section); | |
| 195 if (i) return(i); | |
| 196 } | |
| 197 | |
| 198 if ((a->name != NULL) && (b->name != NULL)) | |
| 199 { | |
| 200 i=strcmp(a->name,b->name); | |
| 201 return(i); | |
| 202 } | |
| 203 else if (a->name == b->name) | |
| 204 return(0); | |
| 205 else | |
| 206 return((a->name == NULL)?-1:1); | |
| 207 } | |
| 208 static IMPLEMENT_LHASH_COMP_FN(conf_value, CONF_VALUE) | |
| 209 | |
| 210 int _CONF_new_data(CONF *conf) | |
| 211 { | |
| 212 if (conf == NULL) | |
| 213 { | |
| 214 return 0; | |
| 215 } | |
| 216 if (conf->data == NULL) | |
| 217 if ((conf->data = lh_CONF_VALUE_new()) == NULL) | |
| 218 { | |
| 219 return 0; | |
| 220 } | |
| 221 return 1; | |
| 222 } | |
| 223 | |
| 224 void _CONF_free_data(CONF *conf) | |
| 225 { | |
| 226 if (conf == NULL || conf->data == NULL) return; | |
| 227 | |
| 228 lh_CONF_VALUE_doall_arg(conf->data, | |
| 229 LHASH_DOALL_ARG_FN(value_free_hash), | |
| 230 LHASH_OF(CONF_VALUE), conf->data); | |
| 231 | |
| 232 /* We now have only 'section' entries in the hash table. | |
| 233 * Due to problems with */ | |
| 234 | |
| 235 lh_CONF_VALUE_doall(conf->data, LHASH_DOALL_FN(value_free_stack)); | |
| 236 lh_CONF_VALUE_free(conf->data); | |
| 237 } | |
| 238 | |
| 239 static void value_free_hash_doall_arg(CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf) | |
| 240 { | |
| 241 if (a->name != NULL) | |
| 242 (void)lh_CONF_VALUE_delete(conf,a); | |
| 243 } | |
| 244 | |
| 245 static void value_free_stack_doall(CONF_VALUE *a) | |
| 246 { | |
| 247 CONF_VALUE *vv; | |
| 248 STACK_OF(CONF_VALUE) *sk; | |
| 249 int i; | |
| 250 | |
| 251 if (a->name != NULL) return; | |
| 252 | |
| 253 sk=(STACK_OF(CONF_VALUE) *)a->value; | |
| 254 for (i=sk_CONF_VALUE_num(sk)-1; i>=0; i--) | |
| 255 { | |
| 256 vv=sk_CONF_VALUE_value(sk,i); | |
| 257 OPENSSL_free(vv->value); | |
| 258 OPENSSL_free(vv->name); | |
| 259 OPENSSL_free(vv); | |
| 260 } | |
| 261 if (sk != NULL) sk_CONF_VALUE_free(sk); | |
| 262 OPENSSL_free(a->section); | |
| 263 OPENSSL_free(a); | |
| 264 } | |
| 265 | |
| 266 /* Up until OpenSSL 0.9.5a, this was new_section */ | |
| 267 CONF_VALUE *_CONF_new_section(CONF *conf, const char *section) | |
| 268 { | |
| 269 STACK_OF(CONF_VALUE) *sk=NULL; | |
| 270 int ok=0,i; | |
| 271 CONF_VALUE *v=NULL,*vv; | |
| 272 | |
| 273 if ((sk=sk_CONF_VALUE_new_null()) == NULL) | |
| 274 goto err; | |
| 275 if ((v=OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL) | |
| 276 goto err; | |
| 277 i=strlen(section)+1; | |
| 278 if ((v->section=OPENSSL_malloc(i)) == NULL) | |
| 279 goto err; | |
| 280 | |
| 281 memcpy(v->section,section,i); | |
| 282 v->name=NULL; | |
| 283 v->value=(char *)sk; | |
| 284 | |
| 285 vv=lh_CONF_VALUE_insert(conf->data,v); | |
| 286 OPENSSL_assert(vv == NULL); | |
| 287 ok=1; | |
| 288 err: | |
| 289 if (!ok) | |
| 290 { | |
| 291 if (sk != NULL) sk_CONF_VALUE_free(sk); | |
| 292 if (v != NULL) OPENSSL_free(v); | |
| 293 v=NULL; | |
| 294 } | |
| 295 return(v); | |
| 296 } | |
| 297 | |
| 298 IMPLEMENT_STACK_OF(CONF_VALUE) | |
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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