Mercurial > hg > nginx
annotate src/mail/ngx_mail_ssl_module.c @ 2759:38cb2238db13
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| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 27 Apr 2009 11:33:34 +0000 |
| parents | 109849282793 |
| children | c7d57b539248 |
| rev | line source |
|---|---|
| 539 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 1136 | 9 #include <ngx_mail.h> |
| 539 | 10 |
| 11 | |
| 2124 | 12 #define NGX_DEFAULT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP" |
| 539 | 13 |
| 14 | |
| 1136 | 15 static void *ngx_mail_ssl_create_conf(ngx_conf_t *cf); |
| 16 static char *ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
| 2224 | 17 |
| 18 static char *ngx_mail_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 19 void *conf); | |
| 20 static char *ngx_mail_ssl_starttls(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 21 void *conf); | |
| 1136 | 22 static char *ngx_mail_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
| 976 | 23 void *conf); |
| 539 | 24 |
| 563 | 25 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
| 26 | |
| 1136 | 27 static char *ngx_mail_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, |
| 563 | 28 void *conf); |
| 29 | |
| 1136 | 30 static char ngx_mail_ssl_openssl097[] = "OpenSSL 0.9.7 and higher"; |
| 563 | 31 |
| 32 #endif | |
| 33 | |
| 539 | 34 |
| 583 | 35 static ngx_conf_enum_t ngx_http_starttls_state[] = { |
| 1136 | 36 { ngx_string("off"), NGX_MAIL_STARTTLS_OFF }, |
| 37 { ngx_string("on"), NGX_MAIL_STARTTLS_ON }, | |
| 38 { ngx_string("only"), NGX_MAIL_STARTTLS_ONLY }, | |
| 583 | 39 { ngx_null_string, 0 } |
| 40 }; | |
| 41 | |
| 42 | |
| 43 | |
| 1136 | 44 static ngx_conf_bitmask_t ngx_mail_ssl_protocols[] = { |
| 547 | 45 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, |
| 46 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 47 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 48 { ngx_null_string, 0 } | |
| 49 }; | |
| 50 | |
| 51 | |
| 1136 | 52 static ngx_command_t ngx_mail_ssl_commands[] = { |
| 539 | 53 |
| 54 { ngx_string("ssl"), | |
| 1136 | 55 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
| 2224 | 56 ngx_mail_ssl_enable, |
| 1136 | 57 NGX_MAIL_SRV_CONF_OFFSET, |
| 58 offsetof(ngx_mail_ssl_conf_t, enable), | |
| 539 | 59 NULL }, |
| 60 | |
| 583 | 61 { ngx_string("starttls"), |
| 1136 | 62 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 2224 | 63 ngx_mail_ssl_starttls, |
| 1136 | 64 NGX_MAIL_SRV_CONF_OFFSET, |
| 65 offsetof(ngx_mail_ssl_conf_t, starttls), | |
| 583 | 66 ngx_http_starttls_state }, |
| 67 | |
| 539 | 68 { ngx_string("ssl_certificate"), |
| 1136 | 69 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 539 | 70 ngx_conf_set_str_slot, |
| 1136 | 71 NGX_MAIL_SRV_CONF_OFFSET, |
| 72 offsetof(ngx_mail_ssl_conf_t, certificate), | |
| 539 | 73 NULL }, |
| 74 | |
| 75 { ngx_string("ssl_certificate_key"), | |
| 1136 | 76 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 539 | 77 ngx_conf_set_str_slot, |
| 1136 | 78 NGX_MAIL_SRV_CONF_OFFSET, |
| 79 offsetof(ngx_mail_ssl_conf_t, certificate_key), | |
| 539 | 80 NULL }, |
| 81 | |
| 2044 | 82 { ngx_string("ssl_dhparam"), |
| 83 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, | |
| 84 ngx_conf_set_str_slot, | |
| 85 NGX_MAIL_SRV_CONF_OFFSET, | |
| 86 offsetof(ngx_mail_ssl_conf_t, dhparam), | |
| 87 NULL }, | |
| 88 | |
| 547 | 89 { ngx_string("ssl_protocols"), |
| 1136 | 90 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, |
| 547 | 91 ngx_conf_set_bitmask_slot, |
| 1136 | 92 NGX_MAIL_SRV_CONF_OFFSET, |
| 93 offsetof(ngx_mail_ssl_conf_t, protocols), | |
| 94 &ngx_mail_ssl_protocols }, | |
| 547 | 95 |
| 539 | 96 { ngx_string("ssl_ciphers"), |
| 1136 | 97 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 539 | 98 ngx_conf_set_str_slot, |
| 1136 | 99 NGX_MAIL_SRV_CONF_OFFSET, |
| 100 offsetof(ngx_mail_ssl_conf_t, ciphers), | |
| 539 | 101 NULL }, |
| 102 | |
| 547 | 103 { ngx_string("ssl_prefer_server_ciphers"), |
| 1136 | 104 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
| 563 | 105 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 547 | 106 ngx_conf_set_flag_slot, |
| 1136 | 107 NGX_MAIL_SRV_CONF_OFFSET, |
| 108 offsetof(ngx_mail_ssl_conf_t, prefer_server_ciphers), | |
| 547 | 109 NULL }, |
| 563 | 110 #else |
| 1136 | 111 ngx_mail_ssl_nosupported, 0, 0, ngx_mail_ssl_openssl097 }, |
| 563 | 112 #endif |
| 113 | |
| 976 | 114 { ngx_string("ssl_session_cache"), |
| 1136 | 115 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE12, |
| 116 ngx_mail_ssl_session_cache, | |
| 117 NGX_MAIL_SRV_CONF_OFFSET, | |
| 976 | 118 0, |
| 119 NULL }, | |
| 120 | |
| 573 | 121 { ngx_string("ssl_session_timeout"), |
| 1136 | 122 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 573 | 123 ngx_conf_set_sec_slot, |
| 1136 | 124 NGX_MAIL_SRV_CONF_OFFSET, |
| 125 offsetof(ngx_mail_ssl_conf_t, session_timeout), | |
| 573 | 126 NULL }, |
| 547 | 127 |
| 539 | 128 ngx_null_command |
| 129 }; | |
| 130 | |
| 131 | |
| 1136 | 132 static ngx_mail_module_t ngx_mail_ssl_module_ctx = { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1136
diff
changeset
|
133 NULL, /* protocol */ |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1136
diff
changeset
|
134 |
| 539 | 135 NULL, /* create main configuration */ |
| 136 NULL, /* init main configuration */ | |
| 137 | |
| 1136 | 138 ngx_mail_ssl_create_conf, /* create server configuration */ |
| 139 ngx_mail_ssl_merge_conf /* merge server configuration */ | |
| 539 | 140 }; |
| 141 | |
| 142 | |
| 1136 | 143 ngx_module_t ngx_mail_ssl_module = { |
| 539 | 144 NGX_MODULE_V1, |
| 1136 | 145 &ngx_mail_ssl_module_ctx, /* module context */ |
| 146 ngx_mail_ssl_commands, /* module directives */ | |
| 147 NGX_MAIL_MODULE, /* module type */ | |
| 541 | 148 NULL, /* init master */ |
| 539 | 149 NULL, /* init module */ |
| 541 | 150 NULL, /* init process */ |
| 151 NULL, /* init thread */ | |
| 152 NULL, /* exit thread */ | |
| 153 NULL, /* exit process */ | |
| 154 NULL, /* exit master */ | |
| 155 NGX_MODULE_V1_PADDING | |
| 539 | 156 }; |
| 157 | |
| 158 | |
| 1136 | 159 static ngx_str_t ngx_mail_ssl_sess_id_ctx = ngx_string("MAIL"); |
| 543 | 160 |
| 161 | |
| 539 | 162 static void * |
| 1136 | 163 ngx_mail_ssl_create_conf(ngx_conf_t *cf) |
| 577 | 164 { |
| 1136 | 165 ngx_mail_ssl_conf_t *scf; |
| 577 | 166 |
| 1136 | 167 scf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_ssl_conf_t)); |
| 539 | 168 if (scf == NULL) { |
| 169 return NGX_CONF_ERROR; | |
| 170 } | |
| 171 | |
| 172 /* | |
| 577 | 173 * set by ngx_pcalloc(): |
| 539 | 174 * |
| 547 | 175 * scf->protocols = 0; |
| 2044 | 176 * scf->certificate = { 0, NULL }; |
| 177 * scf->certificate_key = { 0, NULL }; | |
| 178 * scf->dhparam = { 0, NULL }; | |
| 539 | 179 * scf->ciphers.len = 0; |
| 180 * scf->ciphers.data = NULL; | |
| 976 | 181 * scf->shm_zone = NULL; |
| 539 | 182 */ |
| 183 | |
| 184 scf->enable = NGX_CONF_UNSET; | |
| 2759 | 185 scf->starttls = NGX_CONF_UNSET_UINT; |
| 976 | 186 scf->prefer_server_ciphers = NGX_CONF_UNSET; |
| 187 scf->builtin_session_cache = NGX_CONF_UNSET; | |
| 573 | 188 scf->session_timeout = NGX_CONF_UNSET; |
| 539 | 189 |
| 190 return scf; | |
| 191 } | |
| 192 | |
| 193 | |
| 194 static char * | |
| 1136 | 195 ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
| 539 | 196 { |
| 1136 | 197 ngx_mail_ssl_conf_t *prev = parent; |
| 198 ngx_mail_ssl_conf_t *conf = child; | |
| 539 | 199 |
| 2224 | 200 char *mode; |
| 563 | 201 ngx_pool_cleanup_t *cln; |
| 202 | |
| 539 | 203 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
| 2224 | 204 ngx_conf_merge_uint_value(conf->starttls, prev->starttls, |
| 205 NGX_MAIL_STARTTLS_OFF); | |
| 539 | 206 |
| 573 | 207 ngx_conf_merge_value(conf->session_timeout, |
| 208 prev->session_timeout, 300); | |
| 209 | |
| 547 | 210 ngx_conf_merge_value(conf->prefer_server_ciphers, |
| 211 prev->prefer_server_ciphers, 0); | |
| 212 | |
| 213 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, | |
| 214 (NGX_CONF_BITMASK_SET | |
| 215 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)); | |
| 216 | |
| 2224 | 217 ngx_conf_merge_str_value(conf->certificate, prev->certificate, ""); |
| 218 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, ""); | |
| 539 | 219 |
| 2044 | 220 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); |
| 221 | |
| 2124 | 222 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); |
| 539 | 223 |
| 224 | |
| 547 | 225 conf->ssl.log = cf->log; |
| 539 | 226 |
| 2224 | 227 if (conf->enable) { |
| 228 mode = "ssl"; | |
| 229 | |
| 230 } else if (conf->starttls != NGX_MAIL_STARTTLS_OFF) { | |
| 231 mode = "starttls"; | |
| 232 | |
| 233 } else { | |
| 234 mode = ""; | |
| 235 } | |
| 236 | |
| 237 if (*mode) { | |
| 238 | |
| 239 if (conf->certificate.len == 0) { | |
| 240 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 241 "no \"ssl_certificate\" is defined for " | |
| 242 "the \"%s\" directive in %s:%ui", | |
| 243 mode, conf->file, conf->line); | |
| 244 return NGX_CONF_ERROR; | |
| 245 } | |
| 246 | |
| 247 if (conf->certificate_key.len == 0) { | |
| 248 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 249 "no \"ssl_certificate_key\" is defined for " | |
| 250 "the \"%s\" directive in %s:%ui", | |
| 251 mode, conf->file, conf->line); | |
| 252 return NGX_CONF_ERROR; | |
| 253 } | |
| 254 | |
| 255 } else { | |
| 256 | |
| 257 if (conf->certificate.len == 0) { | |
| 258 return NGX_CONF_OK; | |
| 259 } | |
| 260 | |
| 261 if (conf->certificate_key.len == 0) { | |
| 262 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 263 "no \"ssl_certificate_key\" is defined " | |
| 264 "for certificate \"%V\"", | |
| 265 &conf->certificate); | |
| 266 return NGX_CONF_ERROR; | |
| 267 } | |
| 268 } | |
| 269 | |
| 969 | 270 if (ngx_ssl_create(&conf->ssl, conf->protocols, NULL) != NGX_OK) { |
| 539 | 271 return NGX_CONF_ERROR; |
| 272 } | |
| 273 | |
| 563 | 274 cln = ngx_pool_cleanup_add(cf->pool, 0); |
| 275 if (cln == NULL) { | |
| 539 | 276 return NGX_CONF_ERROR; |
| 277 } | |
| 278 | |
| 563 | 279 cln->handler = ngx_ssl_cleanup_ctx; |
| 280 cln->data = &conf->ssl; | |
| 281 | |
| 282 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate, | |
| 283 &conf->certificate_key) | |
| 284 != NGX_OK) | |
| 547 | 285 { |
| 286 return NGX_CONF_ERROR; | |
| 287 } | |
| 539 | 288 |
| 289 if (conf->ciphers.len) { | |
| 547 | 290 if (SSL_CTX_set_cipher_list(conf->ssl.ctx, |
| 563 | 291 (const char *) conf->ciphers.data) |
| 292 == 0) | |
| 539 | 293 { |
| 294 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 295 "SSL_CTX_set_cipher_list(\"%V\") failed", | |
| 296 &conf->ciphers); | |
| 297 } | |
| 298 } | |
| 299 | |
| 563 | 300 #ifdef SSL_OP_CIPHER_SERVER_PREFERENCE |
| 301 | |
| 302 if (conf->prefer_server_ciphers) { | |
| 303 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| 304 } | |
| 305 | |
| 306 #endif | |
| 307 | |
| 547 | 308 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) { |
| 539 | 309 return NGX_CONF_ERROR; |
| 310 } | |
| 311 | |
| 2044 | 312 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { |
| 313 return NGX_CONF_ERROR; | |
| 314 } | |
| 315 | |
| 976 | 316 ngx_conf_merge_value(conf->builtin_session_cache, |
| 2032 | 317 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); |
| 976 | 318 |
| 319 if (conf->shm_zone == NULL) { | |
| 320 conf->shm_zone = prev->shm_zone; | |
| 321 } | |
| 539 | 322 |
| 1136 | 323 if (ngx_ssl_session_cache(&conf->ssl, &ngx_mail_ssl_sess_id_ctx, |
| 976 | 324 conf->builtin_session_cache, |
| 325 conf->shm_zone, conf->session_timeout) | |
| 326 != NGX_OK) | |
| 327 { | |
| 328 return NGX_CONF_ERROR; | |
| 329 } | |
| 573 | 330 |
| 539 | 331 return NGX_CONF_OK; |
| 332 } | |
| 563 | 333 |
| 577 | 334 |
| 976 | 335 static char * |
| 2224 | 336 ngx_mail_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 337 { | |
| 338 ngx_mail_ssl_conf_t *scf = conf; | |
| 339 | |
| 340 char *rv; | |
| 341 | |
| 342 rv = ngx_conf_set_flag_slot(cf, cmd, conf); | |
| 343 | |
| 344 if (rv != NGX_CONF_OK) { | |
| 345 return rv; | |
| 346 } | |
| 347 | |
| 348 if (scf->enable && (ngx_int_t) scf->starttls > NGX_MAIL_STARTTLS_OFF) { | |
| 349 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 350 "\"starttls\" directive conflicts with \"ssl on\""); | |
| 351 return NGX_CONF_ERROR; | |
| 352 } | |
| 353 | |
| 354 scf->file = cf->conf_file->file.name.data; | |
| 355 scf->line = cf->conf_file->line; | |
| 356 | |
| 357 return NGX_CONF_OK; | |
| 358 } | |
| 359 | |
| 360 | |
| 361 static char * | |
| 362 ngx_mail_ssl_starttls(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 363 { | |
| 364 ngx_mail_ssl_conf_t *scf = conf; | |
| 365 | |
| 366 char *rv; | |
| 367 | |
| 368 rv = ngx_conf_set_enum_slot(cf, cmd, conf); | |
| 369 | |
| 370 if (rv != NGX_CONF_OK) { | |
| 371 return rv; | |
| 372 } | |
| 373 | |
| 374 if (scf->enable == 1 && (ngx_int_t) scf->starttls > NGX_MAIL_STARTTLS_OFF) { | |
| 375 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 376 "\"ssl\" directive conflicts with \"starttls\""); | |
| 377 return NGX_CONF_ERROR; | |
| 378 } | |
| 379 | |
| 380 scf->file = cf->conf_file->file.name.data; | |
| 381 scf->line = cf->conf_file->line; | |
| 382 | |
| 383 return NGX_CONF_OK; | |
| 384 } | |
| 385 | |
| 386 | |
| 387 static char * | |
| 1136 | 388 ngx_mail_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 976 | 389 { |
| 1136 | 390 ngx_mail_ssl_conf_t *scf = conf; |
| 976 | 391 |
| 392 size_t len; | |
| 393 ngx_str_t *value, name, size; | |
| 394 ngx_int_t n; | |
| 395 ngx_uint_t i, j; | |
| 396 | |
| 397 value = cf->args->elts; | |
| 398 | |
| 399 for (i = 1; i < cf->args->nelts; i++) { | |
| 400 | |
| 1778 | 401 if (ngx_strcmp(value[i].data, "off") == 0) { |
| 402 scf->builtin_session_cache = NGX_SSL_NO_SCACHE; | |
| 403 continue; | |
| 404 } | |
| 405 | |
| 2032 | 406 if (ngx_strcmp(value[i].data, "none") == 0) { |
| 407 scf->builtin_session_cache = NGX_SSL_NONE_SCACHE; | |
| 408 continue; | |
| 409 } | |
| 410 | |
| 976 | 411 if (ngx_strcmp(value[i].data, "builtin") == 0) { |
| 412 scf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; | |
| 413 continue; | |
| 414 } | |
| 415 | |
| 416 if (value[i].len > sizeof("builtin:") - 1 | |
| 417 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) | |
| 418 == 0) | |
| 419 { | |
| 420 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, | |
| 421 value[i].len - (sizeof("builtin:") - 1)); | |
| 422 | |
| 423 if (n == NGX_ERROR) { | |
| 424 goto invalid; | |
| 425 } | |
| 426 | |
| 427 scf->builtin_session_cache = n; | |
| 428 | |
| 429 continue; | |
| 430 } | |
| 431 | |
| 432 if (value[i].len > sizeof("shared:") - 1 | |
| 433 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) | |
| 434 == 0) | |
| 435 { | |
| 436 len = 0; | |
| 437 | |
| 438 for (j = sizeof("shared:") - 1; j < value[i].len; j++) { | |
| 439 if (value[i].data[j] == ':') { | |
| 440 break; | |
| 441 } | |
| 442 | |
| 443 len++; | |
| 444 } | |
| 445 | |
| 446 if (len == 0) { | |
| 447 goto invalid; | |
| 448 } | |
| 449 | |
| 450 name.len = len; | |
| 451 name.data = value[i].data + sizeof("shared:") - 1; | |
| 452 | |
| 453 size.len = value[i].len - j - 1; | |
| 454 size.data = name.data + len + 1; | |
| 455 | |
| 456 n = ngx_parse_size(&size); | |
| 457 | |
| 458 if (n == NGX_ERROR) { | |
| 459 goto invalid; | |
| 460 } | |
| 461 | |
| 462 if (n < (ngx_int_t) (8 * ngx_pagesize)) { | |
| 463 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 464 "session cache \"%V\" is too small", | |
| 465 &value[i]); | |
| 466 | |
| 467 return NGX_CONF_ERROR; | |
| 468 } | |
| 469 | |
| 470 scf->shm_zone = ngx_shared_memory_add(cf, &name, n, | |
| 1136 | 471 &ngx_mail_ssl_module); |
| 976 | 472 if (scf->shm_zone == NULL) { |
| 473 return NGX_CONF_ERROR; | |
| 474 } | |
| 475 | |
| 476 continue; | |
| 477 } | |
| 478 | |
| 479 goto invalid; | |
| 480 } | |
| 481 | |
| 482 if (scf->shm_zone && scf->builtin_session_cache == NGX_CONF_UNSET) { | |
| 483 scf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; | |
| 484 } | |
| 485 | |
| 486 return NGX_CONF_OK; | |
| 487 | |
| 488 invalid: | |
| 489 | |
| 490 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 491 "invalid session cache \"%V\"", &value[i]); | |
| 492 | |
| 493 return NGX_CONF_ERROR; | |
| 494 } | |
| 495 | |
| 496 | |
| 563 | 497 #if !defined (SSL_OP_CIPHER_SERVER_PREFERENCE) |
| 577 | 498 |
| 563 | 499 static char * |
| 1136 | 500 ngx_mail_ssl_nosupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 577 | 501 { |
| 563 | 502 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 503 "\"%V\" directive is available only in %s,", | |
| 504 &cmd->name, cmd->post); | |
| 505 | |
| 506 return NGX_CONF_ERROR; | |
| 507 } | |
| 508 | |
| 509 #endif |