Mercurial > hg > nginx
annotate src/stream/ngx_stream_map_module.c @ 7660:d33e17499088
Version bump.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 26 May 2020 22:03:00 +0300 |
| parents | ec10ce307dc0 |
| children |
| rev | line source |
|---|---|
| 6609 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_stream.h> | |
| 11 | |
| 12 | |
| 13 typedef struct { | |
| 14 ngx_uint_t hash_max_size; | |
| 15 ngx_uint_t hash_bucket_size; | |
| 16 } ngx_stream_map_conf_t; | |
| 17 | |
| 18 | |
| 19 typedef struct { | |
| 20 ngx_hash_keys_arrays_t keys; | |
| 21 | |
| 22 ngx_array_t *values_hash; | |
| 23 #if (NGX_PCRE) | |
| 24 ngx_array_t regexes; | |
| 25 #endif | |
| 26 | |
| 27 ngx_stream_variable_value_t *default_value; | |
| 28 ngx_conf_t *cf; | |
|
6832
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
29 unsigned hostnames:1; |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
30 unsigned no_cacheable:1; |
| 6609 | 31 } ngx_stream_map_conf_ctx_t; |
| 32 | |
| 33 | |
| 34 typedef struct { | |
| 35 ngx_stream_map_t map; | |
| 36 ngx_stream_complex_value_t value; | |
| 37 ngx_stream_variable_value_t *default_value; | |
| 38 ngx_uint_t hostnames; /* unsigned hostnames:1 */ | |
| 39 } ngx_stream_map_ctx_t; | |
| 40 | |
| 41 | |
| 42 static int ngx_libc_cdecl ngx_stream_map_cmp_dns_wildcards(const void *one, | |
| 43 const void *two); | |
| 44 static void *ngx_stream_map_create_conf(ngx_conf_t *cf); | |
| 45 static char *ngx_stream_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 46 void *conf); | |
| 47 static char *ngx_stream_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf); | |
| 48 | |
| 49 | |
| 50 static ngx_command_t ngx_stream_map_commands[] = { | |
| 51 | |
| 52 { ngx_string("map"), | |
| 53 NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, | |
| 54 ngx_stream_map_block, | |
| 55 NGX_STREAM_MAIN_CONF_OFFSET, | |
| 56 0, | |
| 57 NULL }, | |
| 58 | |
| 59 { ngx_string("map_hash_max_size"), | |
| 60 NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, | |
| 61 ngx_conf_set_num_slot, | |
| 62 NGX_STREAM_MAIN_CONF_OFFSET, | |
| 63 offsetof(ngx_stream_map_conf_t, hash_max_size), | |
| 64 NULL }, | |
| 65 | |
| 66 { ngx_string("map_hash_bucket_size"), | |
| 67 NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, | |
| 68 ngx_conf_set_num_slot, | |
| 69 NGX_STREAM_MAIN_CONF_OFFSET, | |
| 70 offsetof(ngx_stream_map_conf_t, hash_bucket_size), | |
| 71 NULL }, | |
| 72 | |
| 73 ngx_null_command | |
| 74 }; | |
| 75 | |
| 76 | |
| 77 static ngx_stream_module_t ngx_stream_map_module_ctx = { | |
| 78 NULL, /* preconfiguration */ | |
| 79 NULL, /* postconfiguration */ | |
| 80 | |
| 81 ngx_stream_map_create_conf, /* create main configuration */ | |
| 82 NULL, /* init main configuration */ | |
| 83 | |
| 84 NULL, /* create server configuration */ | |
| 6629 | 85 NULL /* merge server configuration */ |
| 6609 | 86 }; |
| 87 | |
| 88 | |
| 89 ngx_module_t ngx_stream_map_module = { | |
| 90 NGX_MODULE_V1, | |
| 91 &ngx_stream_map_module_ctx, /* module context */ | |
| 92 ngx_stream_map_commands, /* module directives */ | |
| 93 NGX_STREAM_MODULE, /* module type */ | |
| 94 NULL, /* init master */ | |
| 95 NULL, /* init module */ | |
| 96 NULL, /* init process */ | |
| 97 NULL, /* init thread */ | |
| 98 NULL, /* exit thread */ | |
| 99 NULL, /* exit process */ | |
| 100 NULL, /* exit master */ | |
| 101 NGX_MODULE_V1_PADDING | |
| 102 }; | |
| 103 | |
| 104 | |
| 105 static ngx_int_t | |
| 106 ngx_stream_map_variable(ngx_stream_session_t *s, ngx_stream_variable_value_t *v, | |
| 107 uintptr_t data) | |
| 108 { | |
| 109 ngx_stream_map_ctx_t *map = (ngx_stream_map_ctx_t *) data; | |
| 110 | |
| 111 ngx_str_t val, str; | |
| 112 ngx_stream_complex_value_t *cv; | |
| 113 ngx_stream_variable_value_t *value; | |
| 114 | |
| 115 ngx_log_debug0(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 116 "stream map started"); | |
| 117 | |
| 118 if (ngx_stream_complex_value(s, &map->value, &val) != NGX_OK) { | |
| 119 return NGX_ERROR; | |
| 120 } | |
| 121 | |
| 122 if (map->hostnames && val.len > 0 && val.data[val.len - 1] == '.') { | |
| 123 val.len--; | |
| 124 } | |
| 125 | |
| 126 value = ngx_stream_map_find(s, &map->map, &val); | |
| 127 | |
| 128 if (value == NULL) { | |
| 129 value = map->default_value; | |
| 130 } | |
| 131 | |
| 132 if (!value->valid) { | |
| 133 cv = (ngx_stream_complex_value_t *) value->data; | |
| 134 | |
| 135 if (ngx_stream_complex_value(s, cv, &str) != NGX_OK) { | |
| 136 return NGX_ERROR; | |
| 137 } | |
| 138 | |
| 139 v->valid = 1; | |
| 140 v->no_cacheable = 0; | |
| 141 v->not_found = 0; | |
| 142 v->len = str.len; | |
| 143 v->data = str.data; | |
| 144 | |
| 145 } else { | |
| 146 *v = *value; | |
| 147 } | |
| 148 | |
| 149 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 150 "stream map: \"%V\" \"%v\"", &val, v); | |
| 151 | |
| 152 return NGX_OK; | |
| 153 } | |
| 154 | |
| 155 | |
| 156 static void * | |
| 157 ngx_stream_map_create_conf(ngx_conf_t *cf) | |
| 158 { | |
| 159 ngx_stream_map_conf_t *mcf; | |
| 160 | |
| 161 mcf = ngx_palloc(cf->pool, sizeof(ngx_stream_map_conf_t)); | |
| 162 if (mcf == NULL) { | |
| 163 return NULL; | |
| 164 } | |
| 165 | |
| 166 mcf->hash_max_size = NGX_CONF_UNSET_UINT; | |
| 167 mcf->hash_bucket_size = NGX_CONF_UNSET_UINT; | |
| 168 | |
| 169 return mcf; | |
| 170 } | |
| 171 | |
| 172 | |
| 173 static char * | |
| 174 ngx_stream_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 175 { | |
| 176 ngx_stream_map_conf_t *mcf = conf; | |
| 177 | |
| 178 char *rv; | |
| 179 ngx_str_t *value, name; | |
| 180 ngx_conf_t save; | |
| 181 ngx_pool_t *pool; | |
| 182 ngx_hash_init_t hash; | |
| 183 ngx_stream_map_ctx_t *map; | |
| 184 ngx_stream_variable_t *var; | |
| 185 ngx_stream_map_conf_ctx_t ctx; | |
| 186 ngx_stream_compile_complex_value_t ccv; | |
| 187 | |
| 188 if (mcf->hash_max_size == NGX_CONF_UNSET_UINT) { | |
| 189 mcf->hash_max_size = 2048; | |
| 190 } | |
| 191 | |
| 192 if (mcf->hash_bucket_size == NGX_CONF_UNSET_UINT) { | |
| 193 mcf->hash_bucket_size = ngx_cacheline_size; | |
| 194 | |
| 195 } else { | |
| 196 mcf->hash_bucket_size = ngx_align(mcf->hash_bucket_size, | |
| 197 ngx_cacheline_size); | |
| 198 } | |
| 199 | |
| 200 map = ngx_pcalloc(cf->pool, sizeof(ngx_stream_map_ctx_t)); | |
| 201 if (map == NULL) { | |
| 202 return NGX_CONF_ERROR; | |
| 203 } | |
| 204 | |
| 205 value = cf->args->elts; | |
| 206 | |
| 207 ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t)); | |
| 208 | |
| 209 ccv.cf = cf; | |
| 210 ccv.value = &value[1]; | |
| 211 ccv.complex_value = &map->value; | |
| 212 | |
| 213 if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) { | |
| 214 return NGX_CONF_ERROR; | |
| 215 } | |
| 216 | |
| 217 name = value[2]; | |
| 218 | |
| 219 if (name.data[0] != '$') { | |
| 220 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 221 "invalid variable name \"%V\"", &name); | |
| 222 return NGX_CONF_ERROR; | |
| 223 } | |
| 224 | |
| 225 name.len--; | |
| 226 name.data++; | |
| 227 | |
| 228 var = ngx_stream_add_variable(cf, &name, NGX_STREAM_VAR_CHANGEABLE); | |
| 229 if (var == NULL) { | |
| 230 return NGX_CONF_ERROR; | |
| 231 } | |
| 232 | |
| 233 var->get_handler = ngx_stream_map_variable; | |
| 234 var->data = (uintptr_t) map; | |
| 235 | |
| 236 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log); | |
| 237 if (pool == NULL) { | |
| 238 return NGX_CONF_ERROR; | |
| 239 } | |
| 240 | |
| 241 ctx.keys.pool = cf->pool; | |
| 242 ctx.keys.temp_pool = pool; | |
| 243 | |
| 244 if (ngx_hash_keys_array_init(&ctx.keys, NGX_HASH_LARGE) != NGX_OK) { | |
| 245 ngx_destroy_pool(pool); | |
| 246 return NGX_CONF_ERROR; | |
| 247 } | |
| 248 | |
| 249 ctx.values_hash = ngx_pcalloc(pool, sizeof(ngx_array_t) * ctx.keys.hsize); | |
| 250 if (ctx.values_hash == NULL) { | |
| 251 ngx_destroy_pool(pool); | |
| 252 return NGX_CONF_ERROR; | |
| 253 } | |
| 254 | |
| 255 #if (NGX_PCRE) | |
| 256 if (ngx_array_init(&ctx.regexes, cf->pool, 2, | |
| 257 sizeof(ngx_stream_map_regex_t)) | |
| 258 != NGX_OK) | |
| 259 { | |
| 260 ngx_destroy_pool(pool); | |
| 261 return NGX_CONF_ERROR; | |
| 262 } | |
| 263 #endif | |
| 264 | |
| 265 ctx.default_value = NULL; | |
| 266 ctx.cf = &save; | |
| 267 ctx.hostnames = 0; | |
|
6832
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
268 ctx.no_cacheable = 0; |
| 6609 | 269 |
| 270 save = *cf; | |
| 271 cf->pool = pool; | |
| 272 cf->ctx = &ctx; | |
| 273 cf->handler = ngx_stream_map; | |
| 274 cf->handler_conf = conf; | |
| 275 | |
| 276 rv = ngx_conf_parse(cf, NULL); | |
| 277 | |
| 278 *cf = save; | |
| 279 | |
| 280 if (rv != NGX_CONF_OK) { | |
| 281 ngx_destroy_pool(pool); | |
| 282 return rv; | |
| 283 } | |
| 284 | |
|
6832
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
285 if (ctx.no_cacheable) { |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
286 var->flags |= NGX_STREAM_VAR_NOCACHEABLE; |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
287 } |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
288 |
| 6609 | 289 map->default_value = ctx.default_value ? ctx.default_value: |
| 290 &ngx_stream_variable_null_value; | |
| 291 | |
| 292 map->hostnames = ctx.hostnames; | |
| 293 | |
| 294 hash.key = ngx_hash_key_lc; | |
| 295 hash.max_size = mcf->hash_max_size; | |
| 296 hash.bucket_size = mcf->hash_bucket_size; | |
| 297 hash.name = "map_hash"; | |
| 298 hash.pool = cf->pool; | |
| 299 | |
| 300 if (ctx.keys.keys.nelts) { | |
| 301 hash.hash = &map->map.hash.hash; | |
| 302 hash.temp_pool = NULL; | |
| 303 | |
| 304 if (ngx_hash_init(&hash, ctx.keys.keys.elts, ctx.keys.keys.nelts) | |
| 305 != NGX_OK) | |
| 306 { | |
| 307 ngx_destroy_pool(pool); | |
| 308 return NGX_CONF_ERROR; | |
| 309 } | |
| 310 } | |
| 311 | |
| 312 if (ctx.keys.dns_wc_head.nelts) { | |
| 313 | |
| 314 ngx_qsort(ctx.keys.dns_wc_head.elts, | |
| 315 (size_t) ctx.keys.dns_wc_head.nelts, | |
| 316 sizeof(ngx_hash_key_t), ngx_stream_map_cmp_dns_wildcards); | |
| 317 | |
| 318 hash.hash = NULL; | |
| 319 hash.temp_pool = pool; | |
| 320 | |
| 321 if (ngx_hash_wildcard_init(&hash, ctx.keys.dns_wc_head.elts, | |
| 322 ctx.keys.dns_wc_head.nelts) | |
| 323 != NGX_OK) | |
| 324 { | |
| 325 ngx_destroy_pool(pool); | |
| 326 return NGX_CONF_ERROR; | |
| 327 } | |
| 328 | |
| 329 map->map.hash.wc_head = (ngx_hash_wildcard_t *) hash.hash; | |
| 330 } | |
| 331 | |
| 332 if (ctx.keys.dns_wc_tail.nelts) { | |
| 333 | |
| 334 ngx_qsort(ctx.keys.dns_wc_tail.elts, | |
| 335 (size_t) ctx.keys.dns_wc_tail.nelts, | |
| 336 sizeof(ngx_hash_key_t), ngx_stream_map_cmp_dns_wildcards); | |
| 337 | |
| 338 hash.hash = NULL; | |
| 339 hash.temp_pool = pool; | |
| 340 | |
| 341 if (ngx_hash_wildcard_init(&hash, ctx.keys.dns_wc_tail.elts, | |
| 342 ctx.keys.dns_wc_tail.nelts) | |
| 343 != NGX_OK) | |
| 344 { | |
| 345 ngx_destroy_pool(pool); | |
| 346 return NGX_CONF_ERROR; | |
| 347 } | |
| 348 | |
| 349 map->map.hash.wc_tail = (ngx_hash_wildcard_t *) hash.hash; | |
| 350 } | |
| 351 | |
| 352 #if (NGX_PCRE) | |
| 353 | |
| 354 if (ctx.regexes.nelts) { | |
| 355 map->map.regex = ctx.regexes.elts; | |
| 356 map->map.nregex = ctx.regexes.nelts; | |
| 357 } | |
| 358 | |
| 359 #endif | |
| 360 | |
| 361 ngx_destroy_pool(pool); | |
| 362 | |
| 363 return rv; | |
| 364 } | |
| 365 | |
| 366 | |
| 367 static int ngx_libc_cdecl | |
| 368 ngx_stream_map_cmp_dns_wildcards(const void *one, const void *two) | |
| 369 { | |
| 370 ngx_hash_key_t *first, *second; | |
| 371 | |
| 372 first = (ngx_hash_key_t *) one; | |
| 373 second = (ngx_hash_key_t *) two; | |
| 374 | |
| 375 return ngx_dns_strcmp(first->key.data, second->key.data); | |
| 376 } | |
| 377 | |
| 378 | |
| 379 static char * | |
| 380 ngx_stream_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) | |
| 381 { | |
| 382 u_char *data; | |
| 383 size_t len; | |
| 384 ngx_int_t rv; | |
| 385 ngx_str_t *value, v; | |
| 386 ngx_uint_t i, key; | |
| 387 ngx_stream_map_conf_ctx_t *ctx; | |
| 388 ngx_stream_complex_value_t cv, *cvp; | |
| 389 ngx_stream_variable_value_t *var, **vp; | |
| 390 ngx_stream_compile_complex_value_t ccv; | |
| 391 | |
| 392 ctx = cf->ctx; | |
| 393 | |
| 394 value = cf->args->elts; | |
| 395 | |
| 396 if (cf->args->nelts == 1 | |
| 397 && ngx_strcmp(value[0].data, "hostnames") == 0) | |
| 398 { | |
| 399 ctx->hostnames = 1; | |
| 400 return NGX_CONF_OK; | |
|
6831
014905eb7b3d
Map: simplified "map" block parser.
Ruslan Ermilov <ru@nginx.com>
parents:
6629
diff
changeset
|
401 } |
| 6609 | 402 |
|
6832
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
403 if (cf->args->nelts == 1 |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
404 && ngx_strcmp(value[0].data, "volatile") == 0) |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
405 { |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
406 ctx->no_cacheable = 1; |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
407 return NGX_CONF_OK; |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
408 } |
|
ec10ce307dc0
Map: the "volatile" parameter.
Ruslan Ermilov <ru@nginx.com>
parents:
6831
diff
changeset
|
409 |
|
6831
014905eb7b3d
Map: simplified "map" block parser.
Ruslan Ermilov <ru@nginx.com>
parents:
6629
diff
changeset
|
410 if (cf->args->nelts != 2) { |
| 6609 | 411 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 412 "invalid number of the map parameters"); | |
| 413 return NGX_CONF_ERROR; | |
| 414 } | |
| 415 | |
| 416 if (ngx_strcmp(value[0].data, "include") == 0) { | |
| 417 return ngx_conf_include(cf, dummy, conf); | |
| 418 } | |
| 419 | |
| 420 key = 0; | |
| 421 | |
| 422 for (i = 0; i < value[1].len; i++) { | |
| 423 key = ngx_hash(key, value[1].data[i]); | |
| 424 } | |
| 425 | |
| 426 key %= ctx->keys.hsize; | |
| 427 | |
| 428 vp = ctx->values_hash[key].elts; | |
| 429 | |
| 430 if (vp) { | |
| 431 for (i = 0; i < ctx->values_hash[key].nelts; i++) { | |
| 432 | |
| 433 if (vp[i]->valid) { | |
| 434 data = vp[i]->data; | |
| 435 len = vp[i]->len; | |
| 436 | |
| 437 } else { | |
| 438 cvp = (ngx_stream_complex_value_t *) vp[i]->data; | |
| 439 data = cvp->value.data; | |
| 440 len = cvp->value.len; | |
| 441 } | |
| 442 | |
| 443 if (value[1].len != len) { | |
| 444 continue; | |
| 445 } | |
| 446 | |
| 447 if (ngx_strncmp(value[1].data, data, len) == 0) { | |
| 448 var = vp[i]; | |
| 449 goto found; | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 } else { | |
| 454 if (ngx_array_init(&ctx->values_hash[key], cf->pool, 4, | |
| 455 sizeof(ngx_stream_variable_value_t *)) | |
| 456 != NGX_OK) | |
| 457 { | |
| 458 return NGX_CONF_ERROR; | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 var = ngx_palloc(ctx->keys.pool, sizeof(ngx_stream_variable_value_t)); | |
| 463 if (var == NULL) { | |
| 464 return NGX_CONF_ERROR; | |
| 465 } | |
| 466 | |
| 467 v.len = value[1].len; | |
| 468 v.data = ngx_pstrdup(ctx->keys.pool, &value[1]); | |
| 469 if (v.data == NULL) { | |
| 470 return NGX_CONF_ERROR; | |
| 471 } | |
| 472 | |
| 473 ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t)); | |
| 474 | |
| 475 ccv.cf = ctx->cf; | |
| 476 ccv.value = &v; | |
| 477 ccv.complex_value = &cv; | |
| 478 | |
| 479 if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) { | |
| 480 return NGX_CONF_ERROR; | |
| 481 } | |
| 482 | |
| 483 if (cv.lengths != NULL) { | |
| 484 cvp = ngx_palloc(ctx->keys.pool, sizeof(ngx_stream_complex_value_t)); | |
| 485 if (cvp == NULL) { | |
| 486 return NGX_CONF_ERROR; | |
| 487 } | |
| 488 | |
| 489 *cvp = cv; | |
| 490 | |
| 491 var->len = 0; | |
| 492 var->data = (u_char *) cvp; | |
| 493 var->valid = 0; | |
| 494 | |
| 495 } else { | |
| 496 var->len = v.len; | |
| 497 var->data = v.data; | |
| 498 var->valid = 1; | |
| 499 } | |
| 500 | |
| 501 var->no_cacheable = 0; | |
| 502 var->not_found = 0; | |
| 503 | |
| 504 vp = ngx_array_push(&ctx->values_hash[key]); | |
| 505 if (vp == NULL) { | |
| 506 return NGX_CONF_ERROR; | |
| 507 } | |
| 508 | |
| 509 *vp = var; | |
| 510 | |
| 511 found: | |
| 512 | |
| 513 if (ngx_strcmp(value[0].data, "default") == 0) { | |
| 514 | |
| 515 if (ctx->default_value) { | |
| 516 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 517 "duplicate default map parameter"); | |
| 518 return NGX_CONF_ERROR; | |
| 519 } | |
| 520 | |
| 521 ctx->default_value = var; | |
| 522 | |
| 523 return NGX_CONF_OK; | |
| 524 } | |
| 525 | |
| 526 #if (NGX_PCRE) | |
| 527 | |
| 528 if (value[0].len && value[0].data[0] == '~') { | |
| 529 ngx_regex_compile_t rc; | |
| 530 ngx_stream_map_regex_t *regex; | |
| 531 u_char errstr[NGX_MAX_CONF_ERRSTR]; | |
| 532 | |
| 533 regex = ngx_array_push(&ctx->regexes); | |
| 534 if (regex == NULL) { | |
| 535 return NGX_CONF_ERROR; | |
| 536 } | |
| 537 | |
| 538 value[0].len--; | |
| 539 value[0].data++; | |
| 540 | |
| 541 ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); | |
| 542 | |
| 543 if (value[0].data[0] == '*') { | |
| 544 value[0].len--; | |
| 545 value[0].data++; | |
| 546 rc.options = NGX_REGEX_CASELESS; | |
| 547 } | |
| 548 | |
| 549 rc.pattern = value[0]; | |
| 550 rc.err.len = NGX_MAX_CONF_ERRSTR; | |
| 551 rc.err.data = errstr; | |
| 552 | |
| 553 regex->regex = ngx_stream_regex_compile(ctx->cf, &rc); | |
| 554 if (regex->regex == NULL) { | |
| 555 return NGX_CONF_ERROR; | |
| 556 } | |
| 557 | |
| 558 regex->value = var; | |
| 559 | |
| 560 return NGX_CONF_OK; | |
| 561 } | |
| 562 | |
| 563 #endif | |
| 564 | |
| 565 if (value[0].len && value[0].data[0] == '\\') { | |
| 566 value[0].len--; | |
| 567 value[0].data++; | |
| 568 } | |
| 569 | |
| 570 rv = ngx_hash_add_key(&ctx->keys, &value[0], var, | |
| 571 (ctx->hostnames) ? NGX_HASH_WILDCARD_KEY : 0); | |
| 572 | |
| 573 if (rv == NGX_OK) { | |
| 574 return NGX_CONF_OK; | |
| 575 } | |
| 576 | |
| 577 if (rv == NGX_DECLINED) { | |
| 578 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 579 "invalid hostname or wildcard \"%V\"", &value[0]); | |
| 580 } | |
| 581 | |
| 582 if (rv == NGX_BUSY) { | |
| 583 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 584 "conflicting parameter \"%V\"", &value[0]); | |
| 585 } | |
| 586 | |
| 587 return NGX_CONF_ERROR; | |
| 588 } |