Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 742:75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 05 Oct 2006 15:09:26 +0000 |
parents | 5e42c1615f4d |
children | 1606be879985 |
rev | line source |
---|---|
499 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_event.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
14 ngx_http_variable_value_t *v, uintptr_t data); | |
637 | 15 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
16 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 17 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
18 ngx_http_variable_value_t *v, uintptr_t data); | |
19 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
20 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 21 |
22 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 23 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 24 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
25 ngx_http_variable_value_t *v, uintptr_t data); | |
26 static ngx_int_t ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, | |
27 ngx_str_t *var, ngx_list_part_t *part, size_t prefix); | |
28 | |
573 | 29 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
30 ngx_http_variable_value_t *v, uintptr_t data); | |
31 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, | |
32 ngx_http_variable_value_t *v, uintptr_t data); | |
33 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
34 ngx_http_variable_value_t *v, uintptr_t data); | |
35 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
36 ngx_http_variable_value_t *v, uintptr_t data); | |
37 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 39 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
40 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 41 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
43 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
44 ngx_http_variable_value_t *v, uintptr_t data); | |
45 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, | |
46 ngx_http_variable_value_t *v, uintptr_t data); | |
47 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
48 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 49 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
50 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 51 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
52 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 53 |
641 | 54 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
55 ngx_http_variable_value_t *v, uintptr_t data); | |
56 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
57 ngx_http_variable_value_t *v, uintptr_t data); | |
58 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
59 ngx_http_variable_value_t *v, uintptr_t data); | |
60 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
61 ngx_http_variable_value_t *v, uintptr_t data); | |
62 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
63 ngx_http_variable_value_t *v, uintptr_t data); | |
64 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
65 ngx_http_variable_value_t *v, uintptr_t data); | |
66 | |
499 | 67 |
509 | 68 /* |
69 * TODO: | |
70 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
71 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
72 * SERVER_SOFTWARE | |
73 * | |
571 | 74 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 75 */ |
499 | 76 |
641 | 77 /* |
78 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
79 * and $http_x_forwarded_for variables may be handled by generic | |
80 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
81 * they are handled using dedicated entries | |
82 */ | |
83 | |
509 | 84 static ngx_http_variable_t ngx_http_core_variables[] = { |
85 | |
637 | 86 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 87 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 88 |
637 | 89 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 90 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 91 |
637 | 92 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 93 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 94 |
95 #if (NGX_HTTP_GZIP) | |
637 | 96 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 97 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 98 #endif |
99 | |
100 #if (NGX_HTTP_PROXY) | |
637 | 101 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 102 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 103 #endif |
104 | |
637 | 105 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 106 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 107 |
637 | 108 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 109 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 110 |
637 | 111 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 112 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 113 |
637 | 114 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 115 |
637 | 116 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 117 |
637 | 118 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 119 |
637 | 120 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 121 |
637 | 122 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 123 |
637 | 124 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 125 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 126 |
731 | 127 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
128 | |
637 | 129 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 130 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 131 |
637 | 132 { ngx_string("uri"), NULL, ngx_http_variable_request, |
133 offsetof(ngx_http_request_t, uri), | |
134 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
135 | |
136 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 137 offsetof(ngx_http_request_t, uri), |
138 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
139 | |
637 | 140 { ngx_string("request"), NULL, ngx_http_variable_request, |
569 | 141 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
142 | |
637 | 143 { ngx_string("document_root"), NULL, |
671 | 144 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHABLE, 0 }, |
509 | 145 |
637 | 146 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 147 offsetof(ngx_http_request_t, args), |
533 | 148 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
499 | 149 |
637 | 150 { ngx_string("args"), NULL, ngx_http_variable_request, |
589 | 151 offsetof(ngx_http_request_t, args), |
152 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
153 | |
637 | 154 { ngx_string("request_filename"), NULL, |
155 ngx_http_variable_request_filename, 0, | |
533 | 156 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
509 | 157 |
637 | 158 { ngx_string("server_name"), NULL, ngx_http_variable_request, |
533 | 159 offsetof(ngx_http_request_t, server_name), 0, 0 }, |
509 | 160 |
637 | 161 { ngx_string("request_method"), NULL, |
162 ngx_http_variable_request_method, 0, 0, 0 }, | |
509 | 163 |
637 | 164 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 165 |
637 | 166 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 167 0, 0, 0 }, |
168 | |
637 | 169 { ngx_string("request_completion"), NULL, |
170 ngx_http_variable_request_completion, | |
629 | 171 0, 0, 0 }, |
172 | |
641 | 173 { ngx_string("sent_http_content_type"), NULL, |
174 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
175 | |
176 { ngx_string("sent_http_content_length"), NULL, | |
177 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
178 | |
179 { ngx_string("sent_http_last_modified"), NULL, | |
180 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
181 | |
182 { ngx_string("sent_http_connection"), NULL, | |
183 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
184 | |
185 { ngx_string("sent_http_keep_alive"), NULL, | |
186 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
187 | |
188 { ngx_string("sent_http_transfer_encoding"), NULL, | |
189 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
190 | |
191 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
192 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
193 | |
637 | 194 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
195 ngx_http_variable_request, | |
196 offsetof(ngx_http_request_t, limit_rate), | |
197 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
198 | |
199 { ngx_null_string, NULL, NULL, 0, 0, 0 } | |
499 | 200 }; |
201 | |
202 | |
577 | 203 ngx_http_variable_value_t ngx_http_variable_null_value = |
204 ngx_http_variable(""); | |
205 ngx_http_variable_value_t ngx_http_variable_true_value = | |
206 ngx_http_variable("1"); | |
207 | |
208 | |
499 | 209 ngx_http_variable_t * |
509 | 210 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
211 { | |
611 | 212 ngx_int_t rc; |
509 | 213 ngx_uint_t i; |
611 | 214 ngx_hash_key_t *key; |
509 | 215 ngx_http_variable_t *v; |
216 ngx_http_core_main_conf_t *cmcf; | |
217 | |
218 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
219 | |
611 | 220 key = cmcf->variables_keys->keys.elts; |
221 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
222 if (name->len != key[i].key.len | |
223 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 224 { |
225 continue; | |
226 } | |
227 | |
611 | 228 v = key[i].value; |
229 | |
230 if (!(v->flags & NGX_HTTP_VAR_CHANGABLE)) { | |
509 | 231 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
232 "the duplicate \"%V\" variable", name); | |
233 return NULL; | |
234 } | |
235 | |
611 | 236 return v; |
509 | 237 } |
238 | |
611 | 239 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 240 if (v == NULL) { |
241 return NULL; | |
242 } | |
243 | |
244 v->name.len = name->len; | |
245 v->name.data = ngx_palloc(cf->pool, name->len); | |
246 if (v->name.data == NULL) { | |
247 return NULL; | |
248 } | |
249 | |
250 for (i = 0; i < name->len; i++) { | |
251 v->name.data[i] = ngx_tolower(name->data[i]); | |
252 } | |
253 | |
637 | 254 v->set_handler = NULL; |
255 v->get_handler = NULL; | |
509 | 256 v->data = 0; |
257 v->flags = flags; | |
533 | 258 v->index = 0; |
509 | 259 |
611 | 260 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
261 | |
262 if (rc == NGX_ERROR) { | |
263 return NULL; | |
264 } | |
265 | |
266 if (rc == NGX_BUSY) { | |
267 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
268 "conflicting variable name \"%V\"", name); | |
269 return NULL; | |
270 } | |
271 | |
509 | 272 return v; |
273 } | |
274 | |
275 | |
276 ngx_int_t | |
277 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 278 { |
501 | 279 ngx_uint_t i; |
280 ngx_http_variable_t *v; | |
499 | 281 ngx_http_core_main_conf_t *cmcf; |
282 | |
283 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
284 | |
501 | 285 v = cmcf->variables.elts; |
286 | |
287 if (v == NULL) { | |
499 | 288 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
289 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
290 { | |
509 | 291 return NGX_ERROR; |
499 | 292 } |
501 | 293 |
294 } else { | |
295 for (i = 0; i < cmcf->variables.nelts; i++) { | |
296 if (name->len != v[i].name.len | |
297 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
298 { | |
299 continue; | |
300 } | |
301 | |
509 | 302 return i; |
501 | 303 } |
499 | 304 } |
305 | |
501 | 306 v = ngx_array_push(&cmcf->variables); |
307 if (v == NULL) { | |
509 | 308 return NGX_ERROR; |
499 | 309 } |
310 | |
501 | 311 v->name.len = name->len; |
312 v->name.data = ngx_palloc(cf->pool, name->len); | |
313 if (v->name.data == NULL) { | |
509 | 314 return NGX_ERROR; |
501 | 315 } |
499 | 316 |
501 | 317 for (i = 0; i < name->len; i++) { |
509 | 318 v->name.data[i] = ngx_tolower(name->data[i]); |
501 | 319 } |
320 | |
637 | 321 v->set_handler = NULL; |
322 v->get_handler = NULL; | |
501 | 323 v->data = 0; |
509 | 324 v->flags = 0; |
533 | 325 v->index = cmcf->variables.nelts - 1; |
501 | 326 |
509 | 327 return cmcf->variables.nelts - 1; |
499 | 328 } |
329 | |
330 | |
331 ngx_http_variable_value_t * | |
332 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
333 { | |
501 | 334 ngx_http_variable_t *v; |
499 | 335 ngx_http_core_main_conf_t *cmcf; |
336 | |
337 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
338 | |
553 | 339 if (cmcf->variables.nelts <= index) { |
499 | 340 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
341 "unknown variable index: %d", index); | |
342 return NULL; | |
343 } | |
344 | |
573 | 345 if (r->variables[index].not_found || r->variables[index].valid) { |
346 return &r->variables[index]; | |
501 | 347 } |
499 | 348 |
501 | 349 v = cmcf->variables.elts; |
499 | 350 |
637 | 351 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
352 == NGX_OK) | |
353 { | |
573 | 354 if (v[index].flags & NGX_HTTP_VAR_NOCACHABLE) { |
355 r->variables[index].no_cachable = 1; | |
499 | 356 } |
573 | 357 |
358 return &r->variables[index]; | |
499 | 359 } |
360 | |
657 | 361 r->variables[index].valid = 0; |
362 r->variables[index].not_found = 1; | |
363 | |
573 | 364 return NULL; |
365 } | |
366 | |
367 | |
368 ngx_http_variable_value_t * | |
369 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
370 { | |
371 ngx_http_variable_value_t *v; | |
372 | |
373 v = &r->variables[index]; | |
374 | |
375 if (v->valid) { | |
376 if (!v->no_cachable) { | |
377 return v; | |
378 } | |
379 | |
380 v->valid = 0; | |
381 v->not_found = 0; | |
509 | 382 } |
501 | 383 |
573 | 384 return ngx_http_get_indexed_variable(r, index); |
499 | 385 } |
386 | |
387 | |
388 ngx_http_variable_value_t * | |
635 | 389 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
390 ngx_uint_t nowarn) | |
499 | 391 { |
501 | 392 ngx_http_variable_t *v; |
573 | 393 ngx_http_variable_value_t *vv; |
499 | 394 ngx_http_core_main_conf_t *cmcf; |
395 | |
396 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
397 | |
611 | 398 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 399 |
611 | 400 if (v) { |
401 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
402 return ngx_http_get_indexed_variable(r, v->index); | |
519 | 403 |
404 } else { | |
499 | 405 |
573 | 406 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 407 |
637 | 408 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 409 return vv; |
410 } | |
509 | 411 |
573 | 412 return NULL; |
413 } | |
509 | 414 } |
415 | |
416 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
417 if (vv == NULL) { | |
418 return NULL; | |
419 } | |
420 | |
573 | 421 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 422 |
577 | 423 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
424 == NGX_OK) | |
425 { | |
426 return vv; | |
427 } | |
428 | |
429 return NULL; | |
430 } | |
431 | |
432 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
433 | |
434 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
435 == NGX_OK) | |
573 | 436 { |
437 return vv; | |
438 } | |
499 | 439 |
440 return NULL; | |
441 } | |
442 | |
635 | 443 vv->not_found = 1; |
573 | 444 |
635 | 445 if (nowarn == 0) { |
446 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
447 "unknown \"%V\" variable", name); | |
448 } | |
499 | 449 |
501 | 450 return vv; |
499 | 451 } |
452 | |
453 | |
573 | 454 static ngx_int_t |
455 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
456 uintptr_t data) | |
457 { | |
458 ngx_str_t *s; | |
459 | |
460 s = (ngx_str_t *) ((char *) r + data); | |
461 | |
462 if (s->data) { | |
463 v->len = s->len; | |
464 v->valid = 1; | |
465 v->no_cachable = 0; | |
466 v->not_found = 0; | |
467 v->data = s->data; | |
468 | |
469 } else { | |
470 v->not_found = 1; | |
471 } | |
472 | |
473 return NGX_OK; | |
474 } | |
475 | |
476 | |
637 | 477 static void |
478 ngx_http_variable_request_set_size(ngx_http_request_t *r, | |
479 ngx_http_variable_value_t *v, uintptr_t data) | |
480 { | |
481 ssize_t s, *sp; | |
482 ngx_str_t val; | |
483 | |
484 val.len = v->len & 0xffff; | |
485 val.data = v->data; | |
486 | |
487 s = ngx_parse_size(&val); | |
488 | |
489 if (s == NGX_ERROR) { | |
490 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
491 "invalid size \"%V\"", &val); | |
492 return; | |
493 } | |
494 | |
495 sp = (ssize_t *) ((char *) r + data); | |
496 | |
497 *sp = s; | |
498 | |
499 return; | |
500 } | |
501 | |
502 | |
573 | 503 static ngx_int_t |
504 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
505 uintptr_t data) | |
515 | 506 { |
573 | 507 ngx_table_elt_t *h; |
508 | |
509 h = *(ngx_table_elt_t **) ((char *) r + data); | |
510 | |
511 if (h) { | |
512 v->len = h->value.len; | |
513 v->valid = 1; | |
514 v->no_cachable = 0; | |
515 v->not_found = 0; | |
516 v->data = h->value.data; | |
517 | |
518 } else { | |
519 v->not_found = 1; | |
520 } | |
521 | |
522 return NGX_OK; | |
523 } | |
524 | |
525 | |
526 static ngx_int_t | |
527 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
528 uintptr_t data) | |
529 { | |
667 | 530 ssize_t len; |
573 | 531 u_char *p; |
667 | 532 ngx_uint_t i, n; |
573 | 533 ngx_array_t *a; |
534 ngx_table_elt_t **h; | |
515 | 535 |
536 a = (ngx_array_t *) ((char *) r + data); | |
537 | |
667 | 538 n = a->nelts; |
539 | |
540 if (n == 0) { | |
573 | 541 v->not_found = 1; |
542 return NGX_OK; | |
515 | 543 } |
544 | |
573 | 545 v->valid = 1; |
546 v->no_cachable = 0; | |
547 v->not_found = 0; | |
515 | 548 |
549 h = a->elts; | |
550 | |
667 | 551 if (n == 1) { |
573 | 552 v->len = (*h)->value.len; |
553 v->data = (*h)->value.data; | |
515 | 554 |
573 | 555 return NGX_OK; |
515 | 556 } |
557 | |
667 | 558 len = - (ssize_t) (sizeof("; ") - 1); |
573 | 559 |
667 | 560 for (i = 0; i < n; i++) { |
573 | 561 len += h[i]->value.len + sizeof("; ") - 1; |
515 | 562 } |
563 | |
573 | 564 p = ngx_palloc(r->pool, len); |
565 if (p == NULL) { | |
566 return NGX_ERROR; | |
567 } | |
568 | |
569 v->len = len; | |
570 v->data = p; | |
515 | 571 |
572 for (i = 0; /* void */ ; i++) { | |
573 | 573 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 574 |
667 | 575 if (i == n - 1) { |
515 | 576 break; |
577 } | |
578 | |
579 *p++ = ';'; *p++ = ' '; | |
580 } | |
581 | |
573 | 582 return NGX_OK; |
515 | 583 } |
584 | |
585 | |
573 | 586 static ngx_int_t |
577 | 587 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
588 ngx_http_variable_value_t *v, uintptr_t data) | |
589 { | |
590 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
591 &r->headers_in.headers.part, | |
592 sizeof("http_") - 1); | |
593 } | |
594 | |
595 | |
596 static ngx_int_t | |
597 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 598 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 599 { |
577 | 600 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
601 &r->headers_out.headers.part, | |
602 sizeof("sent_http_") - 1); | |
603 } | |
501 | 604 |
577 | 605 |
606 static ngx_int_t | |
607 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, | |
608 ngx_list_part_t *part, size_t prefix) | |
609 { | |
573 | 610 u_char ch; |
611 ngx_uint_t i, n; | |
612 ngx_table_elt_t *header; | |
499 | 613 |
614 header = part->elts; | |
615 | |
616 for (i = 0; /* void */ ; i++) { | |
617 | |
618 if (i >= part->nelts) { | |
619 if (part->next == NULL) { | |
620 break; | |
621 } | |
622 | |
623 part = part->next; | |
624 header = part->elts; | |
625 i = 0; | |
626 } | |
627 | |
577 | 628 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 629 ch = header[i].key.data[n]; |
630 | |
509 | 631 if (ch >= 'A' && ch <= 'Z') { |
632 ch |= 0x20; | |
499 | 633 |
634 } else if (ch == '-') { | |
635 ch = '_'; | |
636 } | |
637 | |
577 | 638 if (var->data[n + prefix] != ch) { |
499 | 639 break; |
640 } | |
641 } | |
642 | |
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
Igor Sysoev <igor@sysoev.ru>
parents:
732
diff
changeset
|
643 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 644 v->len = header[i].value.len; |
645 v->valid = 1; | |
646 v->no_cachable = 0; | |
647 v->not_found = 0; | |
648 v->data = header[i].value.data; | |
499 | 649 |
573 | 650 return NGX_OK; |
499 | 651 } |
652 } | |
653 | |
573 | 654 v->not_found = 1; |
655 | |
656 return NGX_OK; | |
509 | 657 } |
658 | |
659 | |
573 | 660 static ngx_int_t |
661 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
662 uintptr_t data) | |
509 | 663 { |
573 | 664 if (r->headers_in.host) { |
665 v->len = r->headers_in.host_name_len; | |
666 v->data = r->headers_in.host->value.data; | |
509 | 667 |
573 | 668 } else { |
669 v->len = r->server_name.len; | |
670 v->data = r->server_name.data; | |
509 | 671 } |
672 | |
573 | 673 v->valid = 1; |
674 v->no_cachable = 0; | |
675 v->not_found = 0; | |
509 | 676 |
573 | 677 return NGX_OK; |
499 | 678 } |
679 | |
680 | |
573 | 681 static ngx_int_t |
682 ngx_http_variable_remote_addr(ngx_http_request_t *r, | |
683 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 684 { |
573 | 685 v->len = r->connection->addr_text.len; |
686 v->valid = 1; | |
687 v->no_cachable = 0; | |
688 v->not_found = 0; | |
689 v->data = r->connection->addr_text.data; | |
499 | 690 |
573 | 691 return NGX_OK; |
499 | 692 } |
693 | |
694 | |
573 | 695 static ngx_int_t |
696 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
697 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 698 { |
573 | 699 ngx_uint_t port; |
700 struct sockaddr_in *sin; | |
509 | 701 |
573 | 702 v->len = 0; |
703 v->valid = 1; | |
704 v->no_cachable = 0; | |
705 v->not_found = 0; | |
509 | 706 |
573 | 707 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
708 if (v->data == NULL) { | |
709 return NGX_ERROR; | |
509 | 710 } |
711 | |
712 /* AF_INET only */ | |
577 | 713 |
509 | 714 if (r->connection->sockaddr->sa_family == AF_INET) { |
715 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
577 | 716 |
509 | 717 port = ntohs(sin->sin_port); |
577 | 718 |
509 | 719 if (port > 0 && port < 65536) { |
573 | 720 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 721 } |
722 } | |
723 | |
573 | 724 return NGX_OK; |
509 | 725 } |
726 | |
727 | |
573 | 728 static ngx_int_t |
729 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
730 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 731 { |
573 | 732 socklen_t len; |
733 ngx_connection_t *c; | |
734 struct sockaddr_in sin; | |
499 | 735 |
573 | 736 v->data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
737 if (v->data == NULL) { | |
738 return NGX_ERROR; | |
509 | 739 } |
740 | |
741 c = r->connection; | |
742 | |
743 if (r->in_addr == 0) { | |
744 len = sizeof(struct sockaddr_in); | |
745 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
746 ngx_log_error(NGX_LOG_CRIT, c->log, | |
747 ngx_socket_errno, "getsockname() failed"); | |
573 | 748 return NGX_ERROR; |
509 | 749 } |
750 | |
751 r->in_addr = sin.sin_addr.s_addr; | |
752 } | |
753 | |
573 | 754 v->len = ngx_inet_ntop(c->listening->family, &r->in_addr, |
755 v->data, INET_ADDRSTRLEN); | |
756 v->valid = 1; | |
757 v->no_cachable = 0; | |
758 v->not_found = 0; | |
499 | 759 |
573 | 760 return NGX_OK; |
499 | 761 } |
762 | |
763 | |
573 | 764 static ngx_int_t |
765 ngx_http_variable_server_port(ngx_http_request_t *r, | |
766 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 767 { |
573 | 768 v->len = r->port_text->len - 1; |
769 v->valid = 1; | |
770 v->no_cachable = 0; | |
771 v->not_found = 0; | |
772 v->data = r->port_text->data + 1; | |
509 | 773 |
573 | 774 return NGX_OK; |
509 | 775 } |
776 | |
777 | |
573 | 778 static ngx_int_t |
731 | 779 ngx_http_variable_scheme(ngx_http_request_t *r, |
780 ngx_http_variable_value_t *v, uintptr_t data) | |
781 { | |
782 #if (NGX_HTTP_SSL) | |
783 | |
784 if (r->connection->ssl) { | |
785 v->len = sizeof("https") - 1; | |
786 v->valid = 1; | |
787 v->no_cachable = 0; | |
788 v->not_found = 0; | |
732 | 789 v->data = (u_char *) "https"; |
731 | 790 |
791 return NGX_OK; | |
792 } | |
793 | |
794 #endif | |
795 | |
796 v->len = sizeof("http") - 1; | |
797 v->valid = 1; | |
798 v->no_cachable = 0; | |
799 v->not_found = 0; | |
732 | 800 v->data = (u_char *) "http"; |
731 | 801 |
802 return NGX_OK; | |
803 } | |
804 | |
805 | |
806 static ngx_int_t | |
573 | 807 ngx_http_variable_document_root(ngx_http_request_t *r, |
808 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 809 { |
671 | 810 ngx_str_t path; |
573 | 811 ngx_http_core_loc_conf_t *clcf; |
509 | 812 |
813 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
814 | |
671 | 815 if (clcf->root_lengths == NULL) { |
816 v->len = clcf->root.len; | |
817 v->valid = 1; | |
818 v->no_cachable = 0; | |
819 v->not_found = 0; | |
820 v->data = clcf->root.data; | |
821 | |
822 } else { | |
823 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
824 clcf->root_values->elts) | |
825 == NULL) | |
826 { | |
827 return NGX_ERROR; | |
828 } | |
829 | |
830 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path) == NGX_ERROR) { | |
831 return NGX_ERROR; | |
832 } | |
833 | |
834 v->len = path.len; | |
835 v->valid = 1; | |
836 v->no_cachable = 0; | |
837 v->not_found = 0; | |
838 v->data = path.data; | |
839 } | |
509 | 840 |
573 | 841 return NGX_OK; |
509 | 842 } |
843 | |
844 | |
573 | 845 static ngx_int_t |
846 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
847 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 848 { |
573 | 849 ngx_str_t path; |
499 | 850 |
573 | 851 if (ngx_http_map_uri_to_path(r, &path, 0) == NULL) { |
852 return NGX_ERROR; | |
557 | 853 } |
509 | 854 |
557 | 855 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 856 |
573 | 857 v->len = path.len - 1; |
858 v->valid = 1; | |
859 v->no_cachable = 0; | |
860 v->not_found = 0; | |
861 v->data = path.data; | |
499 | 862 |
573 | 863 return NGX_OK; |
499 | 864 } |
865 | |
866 | |
573 | 867 static ngx_int_t |
868 ngx_http_variable_request_method(ngx_http_request_t *r, | |
869 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 870 { |
647 | 871 if (r->main->method_name.data) { |
872 v->len = r->main->method_name.len; | |
573 | 873 v->valid = 1; |
874 v->no_cachable = 0; | |
875 v->not_found = 0; | |
647 | 876 v->data = r->main->method_name.data; |
573 | 877 |
878 } else { | |
879 v->not_found = 1; | |
561 | 880 } |
881 | |
573 | 882 return NGX_OK; |
561 | 883 } |
884 | |
885 | |
573 | 886 static ngx_int_t |
887 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
888 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 889 { |
573 | 890 ngx_int_t rc; |
539 | 891 |
892 rc = ngx_http_auth_basic_user(r); | |
893 | |
894 if (rc == NGX_DECLINED) { | |
573 | 895 v->not_found = 1; |
896 return NGX_OK; | |
539 | 897 } |
898 | |
899 if (rc == NGX_ERROR) { | |
573 | 900 return NGX_ERROR; |
539 | 901 } |
902 | |
573 | 903 v->len = r->headers_in.user.len; |
904 v->valid = 1; | |
905 v->no_cachable = 0; | |
906 v->not_found = 0; | |
907 v->data = r->headers_in.user.data; | |
571 | 908 |
573 | 909 return NGX_OK; |
571 | 910 } |
911 | |
912 | |
611 | 913 static ngx_int_t |
914 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
915 ngx_http_variable_value_t *v, uintptr_t data) | |
916 { | |
917 off_t sent; | |
918 u_char *p; | |
919 | |
920 sent = r->connection->sent - r->header_size; | |
921 | |
922 if (sent < 0) { | |
923 sent = 0; | |
924 } | |
925 | |
926 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
927 if (p == NULL) { | |
928 return NGX_ERROR; | |
929 } | |
930 | |
931 v->len = ngx_sprintf(p, "%O", sent) - p; | |
932 v->valid = 1; | |
933 v->no_cachable = 0; | |
934 v->not_found = 0; | |
935 v->data = p; | |
936 | |
937 return NGX_OK; | |
938 } | |
939 | |
940 | |
629 | 941 static ngx_int_t |
641 | 942 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
943 ngx_http_variable_value_t *v, uintptr_t data) | |
944 { | |
945 if (r->headers_out.content_type.len) { | |
946 v->len = r->headers_out.content_type.len; | |
947 v->valid = 1; | |
948 v->no_cachable = 0; | |
949 v->not_found = 0; | |
950 v->data = r->headers_out.content_type.data; | |
951 | |
952 } else { | |
953 v->not_found = 1; | |
954 } | |
955 | |
956 return NGX_OK; | |
957 } | |
958 | |
959 | |
960 static ngx_int_t | |
961 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
962 ngx_http_variable_value_t *v, uintptr_t data) | |
963 { | |
964 u_char *p; | |
965 | |
966 if (r->headers_out.content_length) { | |
967 v->len = r->headers_out.content_length->value.len; | |
968 v->valid = 1; | |
969 v->no_cachable = 0; | |
970 v->not_found = 0; | |
971 v->data = r->headers_out.content_length->value.data; | |
972 | |
973 return NGX_OK; | |
974 } | |
975 | |
976 if (r->headers_out.content_length_n >= 0) { | |
977 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
978 if (p == NULL) { | |
979 return NGX_ERROR; | |
980 } | |
981 | |
982 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
983 v->valid = 1; | |
984 v->no_cachable = 0; | |
985 v->not_found = 0; | |
986 v->data = p; | |
987 | |
988 return NGX_OK; | |
989 } | |
990 | |
991 v->not_found = 1; | |
992 | |
993 return NGX_OK; | |
994 } | |
995 | |
996 | |
997 static ngx_int_t | |
998 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
999 ngx_http_variable_value_t *v, uintptr_t data) | |
1000 { | |
1001 u_char *p; | |
1002 | |
1003 if (r->headers_out.last_modified) { | |
1004 v->len = r->headers_out.last_modified->value.len; | |
1005 v->valid = 1; | |
1006 v->no_cachable = 0; | |
1007 v->not_found = 0; | |
1008 v->data = r->headers_out.last_modified->value.data; | |
1009 | |
1010 return NGX_OK; | |
1011 } | |
1012 | |
1013 if (r->headers_out.last_modified_time >= 0) { | |
1014 p = ngx_palloc(r->pool, | |
1015 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
1016 if (p == NULL) { | |
1017 return NGX_ERROR; | |
1018 } | |
1019 | |
1020 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1021 v->valid = 1; | |
1022 v->no_cachable = 0; | |
1023 v->not_found = 0; | |
1024 v->data = p; | |
1025 | |
1026 return NGX_OK; | |
1027 } | |
1028 | |
1029 v->not_found = 1; | |
1030 | |
1031 return NGX_OK; | |
1032 } | |
1033 | |
1034 | |
1035 static ngx_int_t | |
1036 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1037 ngx_http_variable_value_t *v, uintptr_t data) | |
1038 { | |
1039 size_t len; | |
1040 char *p; | |
1041 | |
1042 if (r->keepalive) { | |
1043 len = sizeof("keep-alive") - 1; | |
1044 p = "keep-alive"; | |
1045 | |
1046 } else { | |
1047 len = sizeof("close") - 1; | |
1048 p = "close"; | |
1049 } | |
1050 | |
1051 v->len = len; | |
1052 v->valid = 1; | |
1053 v->no_cachable = 0; | |
1054 v->not_found = 0; | |
1055 v->data = (u_char *) p; | |
1056 | |
1057 return NGX_OK; | |
1058 } | |
1059 | |
1060 | |
1061 static ngx_int_t | |
1062 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1063 ngx_http_variable_value_t *v, uintptr_t data) | |
1064 { | |
1065 u_char *p; | |
1066 ngx_http_core_loc_conf_t *clcf; | |
1067 | |
1068 if (r->keepalive) { | |
1069 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1070 | |
1071 if (clcf->keepalive_header) { | |
1072 | |
1073 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
1074 if (p == NULL) { | |
1075 return NGX_ERROR; | |
1076 } | |
1077 | |
1078 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1079 v->valid = 1; | |
1080 v->no_cachable = 0; | |
1081 v->not_found = 0; | |
1082 v->data = p; | |
1083 | |
1084 return NGX_OK; | |
1085 } | |
1086 } | |
1087 | |
1088 v->not_found = 1; | |
1089 | |
1090 return NGX_OK; | |
1091 } | |
1092 | |
1093 | |
1094 static ngx_int_t | |
1095 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1096 ngx_http_variable_value_t *v, uintptr_t data) | |
1097 { | |
1098 if (r->chunked) { | |
1099 v->len = sizeof("chunked") - 1; | |
1100 v->valid = 1; | |
1101 v->no_cachable = 0; | |
1102 v->not_found = 0; | |
1103 v->data = (u_char *) "chunked"; | |
1104 | |
1105 } else { | |
1106 v->not_found = 1; | |
1107 } | |
1108 | |
1109 return NGX_OK; | |
1110 } | |
1111 | |
1112 | |
1113 static ngx_int_t | |
629 | 1114 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1115 ngx_http_variable_value_t *v, uintptr_t data) | |
1116 { | |
1117 if (r->request_complete) { | |
1118 v->len = 2; | |
1119 v->valid = 1; | |
1120 v->no_cachable = 0; | |
1121 v->not_found = 0; | |
1122 v->data = (u_char *) "OK"; | |
1123 | |
1124 return NGX_OK; | |
1125 } | |
1126 | |
1127 v->len = 0; | |
1128 v->valid = 1; | |
1129 v->no_cachable = 0; | |
1130 v->not_found = 0; | |
1131 v->data = (u_char *) ""; | |
1132 | |
1133 return NGX_OK; | |
1134 } | |
1135 | |
1136 | |
499 | 1137 ngx_int_t |
509 | 1138 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1139 { |
611 | 1140 ngx_int_t rc; |
1141 ngx_http_variable_t *v; | |
501 | 1142 ngx_http_core_main_conf_t *cmcf; |
499 | 1143 |
509 | 1144 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1145 | |
611 | 1146 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1147 sizeof(ngx_hash_keys_arrays_t)); | |
1148 if (cmcf->variables_keys == NULL) { | |
1149 return NGX_ERROR; | |
1150 } | |
1151 | |
1152 cmcf->variables_keys->pool = cf->pool; | |
1153 cmcf->variables_keys->temp_pool = cf->pool; | |
1154 | |
1155 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1156 != NGX_OK) | |
509 | 1157 { |
499 | 1158 return NGX_ERROR; |
1159 } | |
1160 | |
611 | 1161 for (v = ngx_http_core_variables; v->name.len; v++) { |
1162 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1163 NGX_HASH_READONLY_KEY); | |
1164 | |
1165 if (rc == NGX_OK) { | |
1166 continue; | |
499 | 1167 } |
1168 | |
611 | 1169 if (rc == NGX_BUSY) { |
1170 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1171 "conflicting variable name \"%V\"", &v->name); | |
1172 } | |
1173 | |
1174 return NGX_ERROR; | |
499 | 1175 } |
1176 | |
1177 return NGX_OK; | |
1178 } | |
509 | 1179 |
1180 | |
1181 ngx_int_t | |
1182 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1183 { | |
1184 ngx_uint_t i, n; | |
611 | 1185 ngx_hash_key_t *key; |
1186 ngx_hash_init_t hash; | |
509 | 1187 ngx_http_variable_t *v, *av; |
1188 ngx_http_core_main_conf_t *cmcf; | |
1189 | |
1190 /* set the handlers for the indexed http variables */ | |
1191 | |
1192 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1193 | |
1194 v = cmcf->variables.elts; | |
611 | 1195 key = cmcf->variables_keys->keys.elts; |
509 | 1196 |
1197 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1198 | |
611 | 1199 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1200 |
611 | 1201 if (v[i].name.len == key[n].key.len |
1202 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) | |
509 | 1203 == 0) |
1204 { | |
611 | 1205 av = key[n].value; |
1206 | |
637 | 1207 v[i].get_handler = av->get_handler; |
611 | 1208 v[i].data = av->data; |
527 | 1209 |
611 | 1210 av->flags |= NGX_HTTP_VAR_INDEXED; |
1211 v[i].flags = av->flags; | |
509 | 1212 |
611 | 1213 av->index = i; |
533 | 1214 |
509 | 1215 goto next; |
1216 } | |
1217 } | |
1218 | |
1219 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 1220 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 1221 v[i].data = (uintptr_t) &v[i].name; |
1222 | |
1223 continue; | |
1224 } | |
1225 | |
1226 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 1227 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 1228 v[i].data = (uintptr_t) &v[i].name; |
1229 | |
1230 continue; | |
1231 } | |
1232 | |
1233 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1234 "unknown \"%V\" variable", &v[i].name); | |
1235 | |
1236 return NGX_ERROR; | |
1237 | |
1238 next: | |
1239 continue; | |
1240 } | |
1241 | |
1242 | |
611 | 1243 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
1244 av = key[n].value; | |
1245 | |
1246 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
1247 key[n].key.data = NULL; | |
583 | 1248 } |
1249 } | |
1250 | |
1251 | |
611 | 1252 hash.hash = &cmcf->variables_hash; |
1253 hash.key = ngx_hash_key; | |
1254 hash.max_size = cmcf->variables_hash_max_size; | |
1255 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1256 hash.name = "variables_hash"; | |
1257 hash.pool = cf->pool; | |
1258 hash.temp_pool = NULL; | |
509 | 1259 |
611 | 1260 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
1261 cmcf->variables_keys->keys.nelts) | |
581 | 1262 != NGX_OK) |
509 | 1263 { |
1264 return NGX_ERROR; | |
1265 } | |
1266 | |
611 | 1267 cmcf->variables_keys = NULL; |
509 | 1268 |
1269 return NGX_OK; | |
1270 } |