589
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #include <ngx_config.h>
|
|
8 #include <ngx_core.h>
|
|
9 #include <ngx_http.h>
|
|
10
|
|
11
|
|
12 #define NGX_HTTP_MAP_HASH 10007
|
|
13
|
|
14 typedef struct {
|
|
15 ngx_uint_t hash_max_size;
|
|
16 ngx_uint_t hash_bucket_size;
|
|
17 } ngx_http_map_conf_t;
|
|
18
|
|
19
|
|
20 typedef struct {
|
|
21 ngx_pool_t *pool;
|
|
22
|
|
23 ngx_array_t keys;
|
|
24 ngx_array_t *keys_hash;
|
|
25
|
|
26 ngx_array_t dns_wildcards;
|
|
27 ngx_array_t *dns_hash;
|
|
28
|
|
29 ngx_array_t *values_hash;
|
|
30
|
|
31 ngx_http_variable_value_t *default_value;
|
|
32 ngx_uint_t hostnames; /* unsigned hostnames:1 */
|
|
33 } ngx_http_map_conf_ctx_t;
|
|
34
|
|
35
|
|
36 typedef struct {
|
|
37 ngx_hash_t hash;
|
|
38 ngx_hash_wildcard_t *dns_wildcards;
|
|
39 ngx_int_t index;
|
|
40 ngx_http_variable_value_t *default_value;
|
|
41 ngx_uint_t hostnames; /* unsigned hostnames:1 */
|
|
42 } ngx_http_map_ctx_t;
|
|
43
|
|
44
|
|
45 static int ngx_libc_cdecl ngx_http_map_cmp_dns_wildcards(const void *one,
|
|
46 const void *two);
|
|
47 static void *ngx_http_map_create_conf(ngx_conf_t *cf);
|
|
48 static char *ngx_http_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
49 static char *ngx_http_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf);
|
|
50
|
|
51
|
|
52 static ngx_command_t ngx_http_map_commands[] = {
|
|
53
|
|
54 { ngx_string("map"),
|
|
55 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2,
|
|
56 ngx_http_map_block,
|
|
57 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
58 0,
|
|
59 NULL },
|
|
60
|
|
61 { ngx_string("map_hash_max_size"),
|
|
62 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
|
|
63 ngx_conf_set_num_slot,
|
|
64 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
65 offsetof(ngx_http_map_conf_t, hash_max_size),
|
|
66 NULL },
|
|
67
|
|
68 { ngx_string("map_hash_bucket_size"),
|
|
69 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
|
|
70 ngx_conf_set_num_slot,
|
|
71 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
72 offsetof(ngx_http_map_conf_t, hash_bucket_size),
|
|
73 NULL },
|
|
74
|
|
75 ngx_null_command
|
|
76 };
|
|
77
|
|
78
|
|
79 static ngx_http_module_t ngx_http_map_module_ctx = {
|
|
80 NULL, /* preconfiguration */
|
|
81 NULL, /* postconfiguration */
|
|
82
|
|
83 ngx_http_map_create_conf, /* create main configuration */
|
|
84 NULL, /* init main configuration */
|
|
85
|
|
86 NULL, /* create server configuration */
|
|
87 NULL, /* merge server configuration */
|
|
88
|
|
89 NULL, /* create location configuration */
|
|
90 NULL /* merge location configuration */
|
|
91 };
|
|
92
|
|
93
|
|
94 ngx_module_t ngx_http_map_module = {
|
|
95 NGX_MODULE_V1,
|
|
96 &ngx_http_map_module_ctx, /* module context */
|
|
97 ngx_http_map_commands, /* module directives */
|
|
98 NGX_HTTP_MODULE, /* module type */
|
|
99 NULL, /* init master */
|
|
100 NULL, /* init module */
|
|
101 NULL, /* init process */
|
|
102 NULL, /* init thread */
|
|
103 NULL, /* exit thread */
|
|
104 NULL, /* exit process */
|
|
105 NULL, /* exit master */
|
|
106 NGX_MODULE_V1_PADDING
|
|
107 };
|
|
108
|
|
109
|
|
110 static ngx_int_t
|
|
111 ngx_http_map_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
112 uintptr_t data)
|
|
113 {
|
|
114 ngx_http_map_ctx_t *map = (ngx_http_map_ctx_t *) data;
|
|
115
|
|
116 size_t len;
|
|
117 u_char *name;
|
|
118 ngx_uint_t key, i;
|
|
119 ngx_http_variable_value_t *vv, *value;
|
|
120
|
|
121 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
122 "http map started");
|
|
123
|
|
124 vv = ngx_http_get_flushed_variable(r, map->index);
|
|
125
|
|
126 len = vv->len;
|
|
127
|
|
128 if (len && map->hostnames && vv->data[len - 1] == '.') {
|
|
129 len--;
|
|
130 }
|
|
131
|
|
132 if (len == 0) {
|
|
133 *v = *map->default_value;
|
|
134 return NGX_OK;
|
|
135 }
|
|
136
|
|
137 name = ngx_palloc(r->pool, len);
|
|
138 if (name == NULL) {
|
|
139 return NGX_ERROR;
|
|
140 }
|
|
141
|
|
142 key = 0;
|
|
143 for (i = 0; i < len; i++) {
|
|
144 name[i] = ngx_tolower(vv->data[i]);
|
|
145 key = ngx_hash(key, name[i]);
|
|
146 }
|
|
147
|
|
148 value = NULL;
|
|
149
|
|
150 if (map->hash.buckets) {
|
|
151 value = ngx_hash_find(&map->hash, key, name, len);
|
|
152 }
|
|
153
|
|
154 if (value) {
|
|
155 *v = *value;
|
|
156
|
|
157 } else {
|
|
158 if (map->dns_wildcards && map->dns_wildcards->hash.buckets) {
|
|
159 value = ngx_hash_find_wildcard(map->dns_wildcards, name, len);
|
|
160 if (value) {
|
|
161 *v = *value;
|
|
162
|
|
163 } else {
|
|
164 *v = *map->default_value;
|
|
165 }
|
|
166
|
|
167 } else {
|
|
168 *v = *map->default_value;
|
|
169 }
|
|
170 }
|
|
171
|
|
172 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
173 "http map: \"%V\" \"%V\"", vv, v);
|
|
174
|
|
175 return NGX_OK;
|
|
176 }
|
|
177
|
|
178
|
|
179 static void *
|
|
180 ngx_http_map_create_conf(ngx_conf_t *cf)
|
|
181 {
|
|
182 ngx_http_map_conf_t *mcf;
|
|
183
|
|
184 mcf = ngx_palloc(cf->pool, sizeof(ngx_http_map_conf_t));
|
|
185 if (mcf == NULL) {
|
|
186 return NGX_CONF_ERROR;
|
|
187 }
|
|
188
|
|
189 mcf->hash_max_size = NGX_CONF_UNSET_UINT;
|
|
190 mcf->hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
191
|
|
192 return mcf;
|
|
193 }
|
|
194
|
|
195
|
|
196 static char *
|
|
197 ngx_http_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
198 {
|
|
199 ngx_http_map_conf_t *mcf = conf;
|
|
200
|
|
201 char *rv;
|
|
202 ngx_str_t *value, name;
|
|
203 ngx_conf_t save;
|
|
204 ngx_pool_t *pool;
|
|
205 ngx_hash_init_t hash;
|
|
206 ngx_http_map_ctx_t *map;
|
|
207 ngx_http_variable_t *var;
|
|
208 ngx_http_map_conf_ctx_t ctx;
|
|
209
|
|
210 if (mcf->hash_max_size == NGX_CONF_UNSET_UINT) {
|
|
211 mcf->hash_max_size = 2048;
|
|
212 }
|
|
213
|
|
214 if (mcf->hash_bucket_size == NGX_CONF_UNSET_UINT) {
|
|
215 mcf->hash_bucket_size = ngx_cacheline_size;
|
|
216
|
|
217 } else {
|
|
218 mcf->hash_bucket_size = ngx_align(mcf->hash_bucket_size,
|
|
219 ngx_cacheline_size);
|
|
220 }
|
|
221
|
|
222 map = ngx_pcalloc(cf->pool, sizeof(ngx_http_map_ctx_t));
|
|
223 if (map == NULL) {
|
|
224 return NGX_CONF_ERROR;
|
|
225 }
|
|
226
|
|
227 value = cf->args->elts;
|
|
228
|
|
229 name = value[1];
|
|
230 name.len--;
|
|
231 name.data++;
|
|
232
|
|
233 map->index = ngx_http_get_variable_index(cf, &name);
|
|
234
|
|
235 if (map->index == NGX_ERROR) {
|
|
236 return NGX_CONF_ERROR;
|
|
237 }
|
|
238
|
|
239 name = value[2];
|
|
240 name.len--;
|
|
241 name.data++;
|
|
242
|
|
243 var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGABLE);
|
|
244 if (var == NULL) {
|
|
245 return NGX_CONF_ERROR;
|
|
246 }
|
|
247
|
|
248 var->handler = ngx_http_map_variable;
|
|
249 var->data = (uintptr_t) map;
|
|
250
|
|
251 pool = ngx_create_pool(16384, cf->log);
|
|
252 if (pool == NULL) {
|
|
253 return NGX_CONF_ERROR;
|
|
254 }
|
|
255
|
|
256 if (ngx_array_init(&ctx.keys, pool, 16384, sizeof(ngx_hash_key_t))
|
|
257 != NGX_OK)
|
|
258 {
|
|
259 ngx_destroy_pool(pool);
|
|
260 return NGX_CONF_ERROR;
|
|
261 }
|
|
262
|
|
263 if (ngx_array_init(&ctx.dns_wildcards, pool, 16384, sizeof(ngx_hash_key_t))
|
|
264 != NGX_OK)
|
|
265 {
|
|
266 ngx_destroy_pool(pool);
|
|
267 return NGX_CONF_ERROR;
|
|
268 }
|
|
269
|
|
270 ctx.keys_hash = ngx_pcalloc(pool, sizeof(ngx_array_t) * NGX_HTTP_MAP_HASH);
|
|
271 if (ctx.keys_hash == NULL) {
|
|
272 ngx_destroy_pool(pool);
|
|
273 return NGX_CONF_ERROR;
|
|
274 }
|
|
275
|
|
276 ctx.dns_hash = ngx_pcalloc(pool, sizeof(ngx_array_t) * NGX_HTTP_MAP_HASH);
|
|
277 if (ctx.dns_hash == NULL) {
|
|
278 ngx_destroy_pool(pool);
|
|
279 return NGX_CONF_ERROR;
|
|
280 }
|
|
281
|
|
282 ctx.values_hash = ngx_pcalloc(pool,
|
|
283 sizeof(ngx_array_t) * NGX_HTTP_MAP_HASH);
|
|
284 if (ctx.values_hash == NULL) {
|
|
285 ngx_destroy_pool(pool);
|
|
286 return NGX_CONF_ERROR;
|
|
287 }
|
|
288
|
|
289 ctx.pool = cf->pool;
|
|
290 ctx.default_value = NULL;
|
|
291 ctx.hostnames = 0;
|
|
292
|
|
293 save = *cf;
|
|
294 cf->pool = pool;
|
|
295 cf->ctx = &ctx;
|
|
296 cf->handler = ngx_http_map;
|
|
297 cf->handler_conf = conf;
|
|
298
|
|
299 rv = ngx_conf_parse(cf, NULL);
|
|
300
|
|
301 *cf = save;
|
|
302
|
|
303 if (rv != NGX_CONF_OK) {
|
|
304 ngx_destroy_pool(pool);
|
|
305
|
|
306 return rv;
|
|
307 }
|
|
308
|
|
309 hash.key = ngx_hash_key_lc;
|
|
310 hash.max_size = mcf->hash_max_size;
|
|
311 hash.bucket_size = mcf->hash_bucket_size;
|
|
312 hash.name = "map_hash";
|
|
313 hash.pool = cf->pool;
|
|
314
|
|
315 if (ctx.keys.nelts) {
|
|
316 hash.hash = &map->hash;
|
|
317 hash.temp_pool = NULL;
|
|
318
|
|
319 if (ngx_hash_init(&hash, ctx.keys.elts, ctx.keys.nelts) != NGX_OK) {
|
|
320 return NGX_CONF_ERROR;
|
|
321 }
|
|
322 }
|
|
323
|
|
324 map->default_value = ctx.default_value ? ctx.default_value:
|
|
325 &ngx_http_variable_null_value;
|
|
326
|
|
327 if (ctx.dns_wildcards.nelts) {
|
|
328
|
|
329 ngx_qsort(ctx.dns_wildcards.elts, (size_t) ctx.dns_wildcards.nelts,
|
|
330 sizeof(ngx_hash_key_t), ngx_http_map_cmp_dns_wildcards);
|
|
331
|
|
332 hash.hash = NULL;
|
|
333 hash.temp_pool = pool;
|
|
334
|
|
335 if (ngx_hash_wildcard_init(&hash, ctx.dns_wildcards.elts,
|
|
336 ctx.dns_wildcards.nelts)
|
|
337 != NGX_OK)
|
|
338 {
|
|
339 return NGX_CONF_ERROR;
|
|
340 }
|
|
341
|
|
342 map->dns_wildcards = (ngx_hash_wildcard_t *) hash.hash;
|
|
343 }
|
|
344
|
|
345 ngx_destroy_pool(pool);
|
|
346
|
|
347 return rv;
|
|
348 }
|
|
349
|
|
350
|
|
351 static int ngx_libc_cdecl
|
|
352 ngx_http_map_cmp_dns_wildcards(const void *one, const void *two)
|
|
353 {
|
|
354 ngx_hash_key_t *first, *second;
|
|
355
|
|
356 first = (ngx_hash_key_t *) one;
|
|
357 second = (ngx_hash_key_t *) two;
|
|
358
|
|
359 return ngx_strcmp(first->key.data, second->key.data);
|
|
360 }
|
|
361
|
|
362
|
|
363 static char *
|
|
364 ngx_http_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
|
|
365 {
|
|
366 size_t len;
|
|
367 ngx_str_t *value, file, *name;
|
|
368 ngx_uint_t i, n, key;
|
|
369 ngx_hash_key_t *m;
|
|
370 ngx_http_map_conf_ctx_t *ctx;
|
|
371 ngx_http_variable_value_t *var, *old, **vp;
|
|
372 u_char buf[2048];
|
|
373
|
|
374 ctx = cf->ctx;
|
|
375
|
|
376 value = cf->args->elts;
|
|
377
|
|
378 if (cf->args->nelts == 1
|
|
379 && ngx_strcmp(value[0].data, "hostnames") == 0)
|
|
380 {
|
|
381 ctx->hostnames = 1;
|
|
382 return NGX_CONF_OK;
|
|
383
|
|
384 } else if (cf->args->nelts != 2) {
|
|
385 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
386 "invalid number of the map parameters");
|
|
387 return NGX_CONF_ERROR;
|
|
388
|
|
389 } else if (value[0].len == 0) {
|
|
390 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
391 "invalid first parameter");
|
|
392 return NGX_CONF_ERROR;
|
|
393 }
|
|
394
|
|
395 if (ngx_strcmp(value[0].data, "include") == 0) {
|
|
396 file = value[1];
|
|
397
|
|
398 if (ngx_conf_full_name(cf->cycle, &file) == NGX_ERROR){
|
|
399 return NGX_CONF_ERROR;
|
|
400 }
|
|
401
|
|
402 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data);
|
|
403
|
|
404 return ngx_conf_parse(cf, &file);
|
|
405 }
|
|
406
|
|
407 key = 0;
|
|
408
|
|
409 for (i = 0; i < value[1].len; i++) {
|
|
410 key = ngx_hash(key, value[1].data[i]);
|
|
411 }
|
|
412
|
|
413 key %= NGX_HTTP_MAP_HASH;
|
|
414
|
|
415 vp = ctx->values_hash[key].elts;
|
|
416
|
|
417 if (vp) {
|
|
418 for (i = 0; i < ctx->values_hash[key].nelts; i++) {
|
|
419 if (value[1].len != (size_t) vp[i]->len) {
|
|
420 continue;
|
|
421 }
|
|
422
|
|
423 if (ngx_strncmp(value[1].data, vp[i]->data, value[1].len) == 0) {
|
|
424 var = vp[i];
|
|
425 goto found;
|
|
426 }
|
|
427 }
|
|
428
|
|
429 } else {
|
|
430 if (ngx_array_init(&ctx->values_hash[key], cf->pool, 4,
|
|
431 sizeof(ngx_http_variable_value_t *))
|
|
432 != NGX_OK)
|
|
433 {
|
|
434 return NGX_CONF_ERROR;
|
|
435 }
|
|
436 }
|
|
437
|
|
438 var = ngx_palloc(ctx->pool, sizeof(ngx_http_variable_value_t));
|
|
439 if (var == NULL) {
|
|
440 return NGX_CONF_ERROR;
|
|
441 }
|
|
442
|
|
443 var->len = value[1].len;
|
|
444 var->data = ngx_pstrdup(ctx->pool, &value[1]);
|
|
445 if (var->data == NULL) {
|
|
446 return NGX_CONF_ERROR;
|
|
447 }
|
|
448
|
|
449 var->valid = 1;
|
|
450 var->no_cachable = 0;
|
|
451 var->not_found = 0;
|
|
452
|
|
453 vp = ngx_array_push(&ctx->values_hash[key]);
|
|
454 if (vp == NULL) {
|
|
455 return NGX_CONF_ERROR;
|
|
456 }
|
|
457
|
|
458 *vp = var;
|
|
459
|
|
460 found:
|
|
461
|
|
462 if (value[0].data[0] != '*' || ctx->hostnames == 0) {
|
|
463
|
|
464 if (ngx_strcmp(value[0].data, "default") != 0) {
|
|
465
|
|
466 if (value[0].len && value[0].data[0] == '!') {
|
|
467 value[0].len--;
|
|
468 value[0].data++;
|
|
469 }
|
|
470
|
|
471 key = 0;
|
|
472
|
|
473 for (i = 0; i < value[0].len; i++) {
|
|
474 value[0].data[i] = ngx_tolower(value[0].data[i]);
|
|
475 key = ngx_hash(key, value[0].data[i]);
|
|
476 }
|
|
477
|
|
478 key %= NGX_HTTP_MAP_HASH;
|
|
479
|
|
480 name = ctx->keys_hash[key].elts;
|
|
481
|
|
482 if (name) {
|
|
483 for (i = 0; i < ctx->keys_hash[key].nelts; i++) {
|
|
484 if (value[0].len != name[i].len) {
|
|
485 continue;
|
|
486 }
|
|
487
|
|
488 if (ngx_strncmp(value[0].data, name[i].data, value[0].len)
|
|
489 == 0)
|
|
490 {
|
|
491 m = ctx->keys.elts;
|
|
492 for (i = 0; i < ctx->keys.nelts; i++) {
|
|
493 if (ngx_strcmp(value[0].data, m[i].key.data) == 0) {
|
|
494 old = m[i].value;
|
|
495 m[i].value = var;
|
|
496
|
|
497 goto duplicate;
|
|
498 }
|
|
499 }
|
|
500 }
|
|
501 }
|
|
502
|
|
503 } else {
|
|
504 if (ngx_array_init(&ctx->keys_hash[key], cf->pool, 4,
|
|
505 sizeof(ngx_str_t))
|
|
506 != NGX_OK)
|
|
507 {
|
|
508 return NGX_CONF_ERROR;
|
|
509 }
|
|
510 }
|
|
511
|
|
512 name = ngx_array_push(&ctx->keys_hash[key]);
|
|
513 if (name == NULL) {
|
|
514 return NGX_CONF_ERROR;
|
|
515 }
|
|
516
|
|
517 *name = value[0];
|
|
518
|
|
519 m = ngx_array_push(&ctx->keys);
|
|
520 if (m == NULL) {
|
|
521 return NGX_CONF_ERROR;
|
|
522 }
|
|
523
|
|
524 m->key = value[0];
|
|
525 m->key_hash = ngx_hash_key(value[0].data, value[0].len);
|
|
526 m->value = var;
|
|
527
|
|
528 } else {
|
|
529 if (ctx->default_value) {
|
|
530 old = ctx->default_value;
|
|
531 ctx->default_value = var;
|
|
532
|
|
533 goto duplicate;
|
|
534 }
|
|
535
|
|
536 ctx->default_value = var;
|
|
537 }
|
|
538
|
|
539 } else {
|
|
540
|
|
541 if (value[0].len < 3 || value[0].data[1] != '.') {
|
|
542 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
543 "invalid DNS wildcard \"%V\"", &value[0]);
|
|
544 return NGX_CONF_ERROR;
|
|
545 }
|
|
546
|
|
547 key = 0;
|
|
548
|
|
549 for (i = 2; i < value[0].len; i++) {
|
|
550 value[0].data[i] = ngx_tolower(value[0].data[i]);
|
|
551 key = ngx_hash(key, value[0].data[i]);
|
|
552 }
|
|
553
|
|
554 key %= NGX_HTTP_MAP_HASH;
|
|
555
|
|
556 /* convert "*.example.com" into "com.example.\0" */
|
|
557
|
|
558 len = 0;
|
|
559 n = 0;
|
|
560
|
|
561 for (i = value[0].len - 1; i; i--) {
|
|
562 if (value[0].data[i] == '.') {
|
|
563 ngx_memcpy(&buf[n], &value[0].data[i + 1], len);
|
|
564 n += len;
|
|
565 buf[n++] = '.';
|
|
566 len = 0;
|
|
567 continue;
|
|
568 }
|
|
569
|
|
570 len++;
|
|
571 }
|
|
572
|
|
573 buf[n] = '\0';
|
|
574
|
|
575 name = ctx->dns_hash[key].elts;
|
|
576
|
|
577 if (name) {
|
|
578 for (i = 0; i < ctx->dns_hash[key].nelts; i++) {
|
|
579 if (value[0].len != name[i].len) {
|
|
580 continue;
|
|
581 }
|
|
582
|
|
583 if (ngx_strncmp(value[0].data, name[i].data, value[0].len)
|
|
584 == 0)
|
|
585 {
|
|
586 m = ctx->dns_wildcards.elts;
|
|
587 for (i = 0; i < ctx->dns_wildcards.nelts; i++) {
|
|
588 if (ngx_strcmp(buf, m[i].key.data) == 0) {
|
|
589 old = m[i].value;
|
|
590 m[i].value = var;
|
|
591
|
|
592 goto duplicate;
|
|
593 }
|
|
594 }
|
|
595 }
|
|
596 }
|
|
597
|
|
598 } else {
|
|
599 if (ngx_array_init(&ctx->dns_hash[key], cf->pool, 4,
|
|
600 sizeof(ngx_str_t))
|
|
601 != NGX_OK)
|
|
602 {
|
|
603 return NGX_CONF_ERROR;
|
|
604 }
|
|
605 }
|
|
606
|
|
607 name = ngx_array_push(&ctx->dns_hash[key]);
|
|
608 if (name == NULL) {
|
|
609 return NGX_CONF_ERROR;
|
|
610 }
|
|
611
|
|
612 *name = value[0];
|
|
613
|
|
614 ngx_memcpy(value[0].data, buf, value[0].len);
|
|
615 value[0].len--;
|
|
616
|
|
617 m = ngx_array_push(&ctx->dns_wildcards);
|
|
618 if (m == NULL) {
|
|
619 return NGX_CONF_ERROR;
|
|
620 }
|
|
621
|
|
622 m->key = value[0];
|
|
623 m->key_hash = 0;
|
|
624 m->value = var;
|
|
625 }
|
|
626
|
|
627 return NGX_CONF_OK;
|
|
628
|
|
629 duplicate:
|
|
630
|
|
631 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
632 "duplicate parameter \"%V\", value: \"%V\", "
|
|
633 "old value: \"%V\"",
|
|
634 &value[0], var, old);
|
|
635
|
|
636 return NGX_CONF_OK;
|
|
637 }
|