Mercurial > hg > nginx-quic
annotate src/http/ngx_http_variables.c @ 2266:6223d5a9e87f
back out $random_index variable
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 30 Sep 2008 13:17:14 +0000 |
parents | 0864138899f1 |
children | 4b98aa04ee24 |
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_http.h> | |
1329 | 10 #include <nginx.h> |
499 | 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); | |
1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
16 ngx_http_variable_value_t *v, uintptr_t data); | |
637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
18 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
20 ngx_http_variable_value_t *v, uintptr_t data); | |
21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
22 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 23 |
24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
27 ngx_http_variable_value_t *v, uintptr_t data); | |
2137 | 28 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
29 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 30 |
573 | 31 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
32 ngx_http_variable_value_t *v, uintptr_t data); | |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
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33 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
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34 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 35 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
36 ngx_http_variable_value_t *v, uintptr_t data); | |
37 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
39 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
40 ngx_http_variable_value_t *v, uintptr_t data); | |
41 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 43 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
44 ngx_http_variable_value_t *v, uintptr_t data); | |
1351 | 45 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
46 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 47 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
48 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 49 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
50 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 51 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
52 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 53 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
54 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 55 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
56 ngx_http_variable_value_t *v, uintptr_t data); | |
57 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
58 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 59 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
60 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 61 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
62 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 63 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
64 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 65 |
641 | 66 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
67 ngx_http_variable_value_t *v, uintptr_t data); | |
68 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
69 ngx_http_variable_value_t *v, uintptr_t data); | |
70 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
71 ngx_http_variable_value_t *v, uintptr_t data); | |
72 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
73 ngx_http_variable_value_t *v, uintptr_t data); | |
74 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
75 ngx_http_variable_value_t *v, uintptr_t data); | |
76 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
77 ngx_http_variable_value_t *v, uintptr_t data); | |
78 | |
1329 | 79 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
80 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 81 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
82 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 83 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
84 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 85 |
509 | 86 /* |
87 * TODO: | |
88 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
89 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
90 * SERVER_SOFTWARE | |
91 * | |
571 | 92 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 93 */ |
499 | 94 |
641 | 95 /* |
96 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
97 * and $http_x_forwarded_for variables may be handled by generic | |
98 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
99 * they are handled using dedicated entries | |
100 */ | |
101 | |
509 | 102 static ngx_http_variable_t ngx_http_core_variables[] = { |
103 | |
637 | 104 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 105 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 106 |
637 | 107 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 108 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 109 |
637 | 110 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 111 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 112 |
113 #if (NGX_HTTP_GZIP) | |
637 | 114 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 115 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 116 #endif |
117 | |
1113
f1d7cf0f68e3
optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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118 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
637 | 119 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 120 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 121 #endif |
122 | |
637 | 123 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 124 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 125 |
637 | 126 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 127 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 128 |
637 | 129 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 130 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 131 |
637 | 132 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 133 |
982 | 134 { ngx_string("binary_remote_addr"), NULL, |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
135 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 136 |
637 | 137 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 138 |
637 | 139 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 140 |
637 | 141 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 142 |
637 | 143 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 144 |
637 | 145 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 146 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 147 |
731 | 148 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
149 | |
637 | 150 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 151 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 152 |
637 | 153 { ngx_string("uri"), NULL, ngx_http_variable_request, |
154 offsetof(ngx_http_request_t, uri), | |
1565 | 155 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 156 |
157 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 158 offsetof(ngx_http_request_t, uri), |
1565 | 159 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 160 |
637 | 161 { ngx_string("request"), NULL, ngx_http_variable_request, |
569 | 162 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
163 | |
637 | 164 { ngx_string("document_root"), NULL, |
1565 | 165 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 166 |
2259 | 167 { ngx_string("realpath_root"), NULL, |
168 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
169 | |
637 | 170 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 171 offsetof(ngx_http_request_t, args), |
1565 | 172 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 173 |
1350 | 174 { ngx_string("args"), |
175 ngx_http_variable_request_set, | |
176 ngx_http_variable_request, | |
589 | 177 offsetof(ngx_http_request_t, args), |
1565 | 178 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 179 |
1351 | 180 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 181 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 182 |
637 | 183 { ngx_string("request_filename"), NULL, |
184 ngx_http_variable_request_filename, 0, | |
1565 | 185 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 186 |
1811 | 187 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 188 |
637 | 189 { ngx_string("request_method"), NULL, |
190 ngx_http_variable_request_method, 0, 0, 0 }, | |
509 | 191 |
637 | 192 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 193 |
637 | 194 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 195 0, 0, 0 }, |
196 | |
637 | 197 { ngx_string("request_completion"), NULL, |
198 ngx_http_variable_request_completion, | |
629 | 199 0, 0, 0 }, |
200 | |
759 | 201 { ngx_string("request_body_file"), NULL, |
202 ngx_http_variable_request_body_file, | |
203 0, 0, 0 }, | |
204 | |
641 | 205 { ngx_string("sent_http_content_type"), NULL, |
206 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
207 | |
208 { ngx_string("sent_http_content_length"), NULL, | |
209 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
210 | |
211 { ngx_string("sent_http_last_modified"), NULL, | |
212 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
213 | |
214 { ngx_string("sent_http_connection"), NULL, | |
215 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
216 | |
217 { ngx_string("sent_http_keep_alive"), NULL, | |
218 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
219 | |
220 { ngx_string("sent_http_transfer_encoding"), NULL, | |
221 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
222 | |
223 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
224 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
225 | |
637 | 226 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
227 ngx_http_variable_request, | |
228 offsetof(ngx_http_request_t, limit_rate), | |
1565 | 229 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 230 |
1329 | 231 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
232 0, 0, 0 }, | |
233 | |
2011 | 234 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
235 0, 0, 0 }, | |
236 | |
2249 | 237 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
238 0, 0, 0 }, | |
239 | |
637 | 240 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 241 }; |
242 | |
243 | |
577 | 244 ngx_http_variable_value_t ngx_http_variable_null_value = |
245 ngx_http_variable(""); | |
246 ngx_http_variable_value_t ngx_http_variable_true_value = | |
247 ngx_http_variable("1"); | |
248 | |
249 | |
499 | 250 ngx_http_variable_t * |
509 | 251 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
252 { | |
611 | 253 ngx_int_t rc; |
509 | 254 ngx_uint_t i; |
611 | 255 ngx_hash_key_t *key; |
509 | 256 ngx_http_variable_t *v; |
257 ngx_http_core_main_conf_t *cmcf; | |
258 | |
259 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
260 | |
611 | 261 key = cmcf->variables_keys->keys.elts; |
262 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
263 if (name->len != key[i].key.len | |
264 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 265 { |
266 continue; | |
267 } | |
268 | |
611 | 269 v = key[i].value; |
270 | |
1565 | 271 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 272 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
273 "the duplicate \"%V\" variable", name); | |
274 return NULL; | |
275 } | |
276 | |
611 | 277 return v; |
509 | 278 } |
279 | |
611 | 280 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 281 if (v == NULL) { |
282 return NULL; | |
283 } | |
284 | |
285 v->name.len = name->len; | |
2049 | 286 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 287 if (v->name.data == NULL) { |
288 return NULL; | |
289 } | |
290 | |
2135 | 291 ngx_strlow(v->name.data, name->data, name->len); |
509 | 292 |
637 | 293 v->set_handler = NULL; |
294 v->get_handler = NULL; | |
509 | 295 v->data = 0; |
296 v->flags = flags; | |
533 | 297 v->index = 0; |
509 | 298 |
611 | 299 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
300 | |
301 if (rc == NGX_ERROR) { | |
302 return NULL; | |
303 } | |
304 | |
305 if (rc == NGX_BUSY) { | |
306 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
307 "conflicting variable name \"%V\"", name); | |
308 return NULL; | |
309 } | |
310 | |
509 | 311 return v; |
312 } | |
313 | |
314 | |
315 ngx_int_t | |
316 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 317 { |
501 | 318 ngx_uint_t i; |
319 ngx_http_variable_t *v; | |
499 | 320 ngx_http_core_main_conf_t *cmcf; |
321 | |
322 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
323 | |
501 | 324 v = cmcf->variables.elts; |
325 | |
326 if (v == NULL) { | |
499 | 327 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
328 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
329 { | |
509 | 330 return NGX_ERROR; |
499 | 331 } |
501 | 332 |
333 } else { | |
334 for (i = 0; i < cmcf->variables.nelts; i++) { | |
335 if (name->len != v[i].name.len | |
336 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
337 { | |
338 continue; | |
339 } | |
340 | |
509 | 341 return i; |
501 | 342 } |
499 | 343 } |
344 | |
501 | 345 v = ngx_array_push(&cmcf->variables); |
346 if (v == NULL) { | |
509 | 347 return NGX_ERROR; |
499 | 348 } |
349 | |
501 | 350 v->name.len = name->len; |
2049 | 351 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 352 if (v->name.data == NULL) { |
509 | 353 return NGX_ERROR; |
501 | 354 } |
499 | 355 |
2135 | 356 ngx_strlow(v->name.data, name->data, name->len); |
501 | 357 |
637 | 358 v->set_handler = NULL; |
359 v->get_handler = NULL; | |
501 | 360 v->data = 0; |
509 | 361 v->flags = 0; |
533 | 362 v->index = cmcf->variables.nelts - 1; |
501 | 363 |
509 | 364 return cmcf->variables.nelts - 1; |
499 | 365 } |
366 | |
367 | |
368 ngx_http_variable_value_t * | |
369 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
370 { | |
501 | 371 ngx_http_variable_t *v; |
499 | 372 ngx_http_core_main_conf_t *cmcf; |
373 | |
374 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
375 | |
553 | 376 if (cmcf->variables.nelts <= index) { |
499 | 377 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
378 "unknown variable index: %d", index); | |
379 return NULL; | |
380 } | |
381 | |
573 | 382 if (r->variables[index].not_found || r->variables[index].valid) { |
383 return &r->variables[index]; | |
501 | 384 } |
499 | 385 |
501 | 386 v = cmcf->variables.elts; |
499 | 387 |
637 | 388 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
389 == NGX_OK) | |
390 { | |
1565 | 391 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
392 r->variables[index].no_cacheable = 1; | |
499 | 393 } |
573 | 394 |
395 return &r->variables[index]; | |
499 | 396 } |
397 | |
657 | 398 r->variables[index].valid = 0; |
399 r->variables[index].not_found = 1; | |
400 | |
798 | 401 return NULL; |
573 | 402 } |
403 | |
404 | |
405 ngx_http_variable_value_t * | |
406 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
407 { | |
1150 | 408 ngx_http_variable_value_t *v; |
573 | 409 |
410 v = &r->variables[index]; | |
411 | |
412 if (v->valid) { | |
1565 | 413 if (!v->no_cacheable) { |
573 | 414 return v; |
415 } | |
416 | |
417 v->valid = 0; | |
418 v->not_found = 0; | |
509 | 419 } |
501 | 420 |
573 | 421 return ngx_http_get_indexed_variable(r, index); |
499 | 422 } |
423 | |
424 | |
425 ngx_http_variable_value_t * | |
635 | 426 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
427 ngx_uint_t nowarn) | |
499 | 428 { |
501 | 429 ngx_http_variable_t *v; |
573 | 430 ngx_http_variable_value_t *vv; |
499 | 431 ngx_http_core_main_conf_t *cmcf; |
432 | |
433 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
434 | |
611 | 435 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 436 |
611 | 437 if (v) { |
438 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
439 return ngx_http_get_indexed_variable(r, v->index); | |
519 | 440 |
441 } else { | |
499 | 442 |
573 | 443 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 444 |
637 | 445 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 446 return vv; |
447 } | |
509 | 448 |
573 | 449 return NULL; |
450 } | |
509 | 451 } |
452 | |
453 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
454 if (vv == NULL) { | |
455 return NULL; | |
456 } | |
457 | |
573 | 458 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 459 |
577 | 460 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
461 == NGX_OK) | |
462 { | |
463 return vv; | |
464 } | |
465 | |
466 return NULL; | |
467 } | |
468 | |
469 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
470 | |
471 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
472 == NGX_OK) | |
573 | 473 { |
474 return vv; | |
475 } | |
499 | 476 |
477 return NULL; | |
478 } | |
479 | |
1162 | 480 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
481 | |
482 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
483 == NGX_OK) | |
484 { | |
485 return vv; | |
486 } | |
487 | |
488 return NULL; | |
489 } | |
490 | |
2137 | 491 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
492 | |
493 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
494 return vv; | |
495 } | |
496 | |
497 return NULL; | |
498 } | |
499 | |
635 | 500 vv->not_found = 1; |
573 | 501 |
635 | 502 if (nowarn == 0) { |
503 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
504 "unknown \"%V\" variable", name); | |
505 } | |
499 | 506 |
501 | 507 return vv; |
499 | 508 } |
509 | |
510 | |
573 | 511 static ngx_int_t |
512 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
513 uintptr_t data) | |
514 { | |
515 ngx_str_t *s; | |
516 | |
517 s = (ngx_str_t *) ((char *) r + data); | |
518 | |
519 if (s->data) { | |
520 v->len = s->len; | |
521 v->valid = 1; | |
1565 | 522 v->no_cacheable = 0; |
573 | 523 v->not_found = 0; |
524 v->data = s->data; | |
525 | |
526 } else { | |
527 v->not_found = 1; | |
528 } | |
529 | |
530 return NGX_OK; | |
531 } | |
532 | |
533 | |
637 | 534 static void |
1350 | 535 ngx_http_variable_request_set(ngx_http_request_t *r, |
536 ngx_http_variable_value_t *v, uintptr_t data) | |
537 { | |
538 ngx_str_t *s; | |
539 | |
540 s = (ngx_str_t *) ((char *) r + data); | |
541 | |
542 s->len = v->len; | |
543 s->data = v->data; | |
544 } | |
545 | |
546 | |
547 static void | |
637 | 548 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
549 ngx_http_variable_value_t *v, uintptr_t data) | |
550 { | |
551 ssize_t s, *sp; | |
552 ngx_str_t val; | |
553 | |
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554 val.len = v->len; |
637 | 555 val.data = v->data; |
556 | |
557 s = ngx_parse_size(&val); | |
558 | |
559 if (s == NGX_ERROR) { | |
560 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
561 "invalid size \"%V\"", &val); | |
562 return; | |
563 } | |
564 | |
565 sp = (ssize_t *) ((char *) r + data); | |
566 | |
567 *sp = s; | |
568 | |
569 return; | |
570 } | |
571 | |
572 | |
573 | 573 static ngx_int_t |
574 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
575 uintptr_t data) | |
515 | 576 { |
573 | 577 ngx_table_elt_t *h; |
578 | |
579 h = *(ngx_table_elt_t **) ((char *) r + data); | |
580 | |
581 if (h) { | |
582 v->len = h->value.len; | |
583 v->valid = 1; | |
1565 | 584 v->no_cacheable = 0; |
573 | 585 v->not_found = 0; |
586 v->data = h->value.data; | |
587 | |
588 } else { | |
589 v->not_found = 1; | |
590 } | |
591 | |
592 return NGX_OK; | |
593 } | |
594 | |
595 | |
596 static ngx_int_t | |
597 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
598 uintptr_t data) | |
599 { | |
667 | 600 ssize_t len; |
573 | 601 u_char *p; |
667 | 602 ngx_uint_t i, n; |
573 | 603 ngx_array_t *a; |
604 ngx_table_elt_t **h; | |
515 | 605 |
606 a = (ngx_array_t *) ((char *) r + data); | |
607 | |
667 | 608 n = a->nelts; |
609 | |
610 if (n == 0) { | |
573 | 611 v->not_found = 1; |
612 return NGX_OK; | |
515 | 613 } |
614 | |
573 | 615 v->valid = 1; |
1565 | 616 v->no_cacheable = 0; |
573 | 617 v->not_found = 0; |
515 | 618 |
619 h = a->elts; | |
620 | |
667 | 621 if (n == 1) { |
573 | 622 v->len = (*h)->value.len; |
623 v->data = (*h)->value.data; | |
515 | 624 |
573 | 625 return NGX_OK; |
515 | 626 } |
627 | |
667 | 628 len = - (ssize_t) (sizeof("; ") - 1); |
573 | 629 |
667 | 630 for (i = 0; i < n; i++) { |
573 | 631 len += h[i]->value.len + sizeof("; ") - 1; |
515 | 632 } |
633 | |
2049 | 634 p = ngx_pnalloc(r->pool, len); |
573 | 635 if (p == NULL) { |
636 return NGX_ERROR; | |
637 } | |
638 | |
639 v->len = len; | |
640 v->data = p; | |
515 | 641 |
642 for (i = 0; /* void */ ; i++) { | |
573 | 643 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 644 |
667 | 645 if (i == n - 1) { |
515 | 646 break; |
647 } | |
648 | |
649 *p++ = ';'; *p++ = ' '; | |
650 } | |
651 | |
573 | 652 return NGX_OK; |
515 | 653 } |
654 | |
655 | |
573 | 656 static ngx_int_t |
577 | 657 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
658 ngx_http_variable_value_t *v, uintptr_t data) | |
659 { | |
660 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
661 &r->headers_in.headers.part, | |
662 sizeof("http_") - 1); | |
663 } | |
664 | |
665 | |
666 static ngx_int_t | |
667 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 668 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 669 { |
577 | 670 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
671 &r->headers_out.headers.part, | |
672 sizeof("sent_http_") - 1); | |
673 } | |
501 | 674 |
577 | 675 |
1162 | 676 ngx_int_t |
577 | 677 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
678 ngx_list_part_t *part, size_t prefix) | |
679 { | |
573 | 680 u_char ch; |
681 ngx_uint_t i, n; | |
682 ngx_table_elt_t *header; | |
499 | 683 |
684 header = part->elts; | |
685 | |
686 for (i = 0; /* void */ ; i++) { | |
687 | |
688 if (i >= part->nelts) { | |
689 if (part->next == NULL) { | |
690 break; | |
691 } | |
692 | |
693 part = part->next; | |
694 header = part->elts; | |
695 i = 0; | |
696 } | |
697 | |
577 | 698 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 699 ch = header[i].key.data[n]; |
700 | |
509 | 701 if (ch >= 'A' && ch <= 'Z') { |
702 ch |= 0x20; | |
499 | 703 |
704 } else if (ch == '-') { | |
705 ch = '_'; | |
706 } | |
707 | |
577 | 708 if (var->data[n + prefix] != ch) { |
499 | 709 break; |
710 } | |
711 } | |
712 | |
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713 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 714 v->len = header[i].value.len; |
715 v->valid = 1; | |
1565 | 716 v->no_cacheable = 0; |
573 | 717 v->not_found = 0; |
718 v->data = header[i].value.data; | |
499 | 719 |
573 | 720 return NGX_OK; |
499 | 721 } |
722 } | |
723 | |
573 | 724 v->not_found = 1; |
725 | |
726 return NGX_OK; | |
509 | 727 } |
728 | |
729 | |
573 | 730 static ngx_int_t |
2137 | 731 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
732 uintptr_t data) | |
733 { | |
734 ngx_str_t *name = (ngx_str_t *) data; | |
735 | |
736 u_char *p, *arg; | |
737 size_t len; | |
738 | |
739 if (r->args.len == 0) { | |
740 v->not_found = 1; | |
741 return NGX_OK; | |
742 } | |
743 | |
744 len = name->len - 1 - (sizeof("arg_") - 1); | |
745 arg = name->data + sizeof("arg_") - 1; | |
746 | |
747 for (p = r->args.data; *p && *p != ' '; p++) { | |
748 | |
749 /* | |
750 * although r->args.data is not null-terminated by itself, | |
751 * however, there is null in the end of request line | |
752 */ | |
753 | |
754 p = ngx_strcasestrn(p, (char *) arg, len); | |
755 | |
756 if (p == NULL) { | |
757 v->not_found = 1; | |
758 return NGX_OK; | |
759 } | |
760 | |
761 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
762 | |
763 v->data = p + len + 2; | |
764 | |
765 p = (u_char *) ngx_strchr(p, '&'); | |
766 | |
767 if (p == NULL) { | |
768 p = r->args.data + r->args.len; | |
769 } | |
770 | |
771 v->len = p - v->data; | |
772 v->valid = 1; | |
773 v->no_cacheable = 0; | |
774 v->not_found = 0; | |
775 | |
776 return NGX_OK; | |
777 } | |
778 } | |
779 | |
780 v->not_found = 1; | |
781 | |
782 return NGX_OK; | |
783 } | |
784 | |
785 | |
786 static ngx_int_t | |
573 | 787 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
788 uintptr_t data) | |
509 | 789 { |
1811 | 790 ngx_http_core_srv_conf_t *cscf; |
791 | |
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792 if (r->headers_in.server.len) { |
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793 v->len = r->headers_in.server.len; |
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794 v->data = r->headers_in.server.data; |
928
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795 |
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796 } else { |
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797 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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798 |
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799 v->len = cscf->server_name.len; |
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800 v->data = cscf->server_name.data; |
509 | 801 } |
802 | |
573 | 803 v->valid = 1; |
1565 | 804 v->no_cacheable = 0; |
573 | 805 v->not_found = 0; |
509 | 806 |
573 | 807 return NGX_OK; |
499 | 808 } |
809 | |
810 | |
573 | 811 static ngx_int_t |
983
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812 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 813 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 814 { |
982 | 815 struct sockaddr_in *sin; |
816 | |
983
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817 /* AF_INET only */ |
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818 |
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819 sin = (struct sockaddr_in *) r->connection->sockaddr; |
982 | 820 |
983
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821 v->len = sizeof(in_addr_t); |
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822 v->valid = 1; |
1565 | 823 v->no_cacheable = 0; |
983
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824 v->not_found = 0; |
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825 v->data = (u_char *) &sin->sin_addr.s_addr; |
982 | 826 |
983
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827 return NGX_OK; |
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828 } |
982 | 829 |
830 | |
983
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831 static ngx_int_t |
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832 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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833 ngx_http_variable_value_t *v, uintptr_t data) |
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834 { |
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diff
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|
835 v->len = r->connection->addr_text.len; |
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836 v->valid = 1; |
1565 | 837 v->no_cacheable = 0; |
983
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838 v->not_found = 0; |
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839 v->data = r->connection->addr_text.data; |
499 | 840 |
573 | 841 return NGX_OK; |
499 | 842 } |
843 | |
844 | |
573 | 845 static ngx_int_t |
846 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
847 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 848 { |
573 | 849 ngx_uint_t port; |
850 struct sockaddr_in *sin; | |
509 | 851 |
573 | 852 v->len = 0; |
853 v->valid = 1; | |
1565 | 854 v->no_cacheable = 0; |
573 | 855 v->not_found = 0; |
509 | 856 |
2049 | 857 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 858 if (v->data == NULL) { |
859 return NGX_ERROR; | |
509 | 860 } |
861 | |
862 /* AF_INET only */ | |
577 | 863 |
509 | 864 if (r->connection->sockaddr->sa_family == AF_INET) { |
865 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
577 | 866 |
509 | 867 port = ntohs(sin->sin_port); |
577 | 868 |
509 | 869 if (port > 0 && port < 65536) { |
573 | 870 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 871 } |
872 } | |
873 | |
573 | 874 return NGX_OK; |
509 | 875 } |
876 | |
877 | |
573 | 878 static ngx_int_t |
879 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
880 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 881 { |
1805 | 882 ngx_str_t s; |
499 | 883 |
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884 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
1805 | 885 if (s.data == NULL) { |
573 | 886 return NGX_ERROR; |
509 | 887 } |
888 | |
1805 | 889 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
890 return NGX_ERROR; | |
509 | 891 } |
892 | |
1805 | 893 v->len = s.len; |
573 | 894 v->valid = 1; |
1565 | 895 v->no_cacheable = 0; |
573 | 896 v->not_found = 0; |
1805 | 897 v->data = s.data; |
499 | 898 |
573 | 899 return NGX_OK; |
499 | 900 } |
901 | |
902 | |
573 | 903 static ngx_int_t |
904 ngx_http_variable_server_port(ngx_http_request_t *r, | |
905 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 906 { |
573 | 907 v->len = r->port_text->len - 1; |
908 v->valid = 1; | |
1565 | 909 v->no_cacheable = 0; |
573 | 910 v->not_found = 0; |
911 v->data = r->port_text->data + 1; | |
509 | 912 |
573 | 913 return NGX_OK; |
509 | 914 } |
915 | |
916 | |
573 | 917 static ngx_int_t |
731 | 918 ngx_http_variable_scheme(ngx_http_request_t *r, |
919 ngx_http_variable_value_t *v, uintptr_t data) | |
920 { | |
921 #if (NGX_HTTP_SSL) | |
922 | |
923 if (r->connection->ssl) { | |
924 v->len = sizeof("https") - 1; | |
925 v->valid = 1; | |
1565 | 926 v->no_cacheable = 0; |
731 | 927 v->not_found = 0; |
732 | 928 v->data = (u_char *) "https"; |
731 | 929 |
930 return NGX_OK; | |
931 } | |
932 | |
933 #endif | |
934 | |
935 v->len = sizeof("http") - 1; | |
936 v->valid = 1; | |
1565 | 937 v->no_cacheable = 0; |
731 | 938 v->not_found = 0; |
732 | 939 v->data = (u_char *) "http"; |
731 | 940 |
941 return NGX_OK; | |
942 } | |
943 | |
944 | |
945 static ngx_int_t | |
1351 | 946 ngx_http_variable_is_args(ngx_http_request_t *r, |
947 ngx_http_variable_value_t *v, uintptr_t data) | |
948 { | |
949 v->valid = 1; | |
1565 | 950 v->no_cacheable = 0; |
1351 | 951 v->not_found = 0; |
952 | |
953 if (r->args.len == 0) { | |
954 v->len = 0; | |
955 v->data = NULL; | |
956 return NGX_OK; | |
957 } | |
958 | |
959 v->len = 1; | |
960 v->data = (u_char *) "?"; | |
961 | |
962 return NGX_OK; | |
963 } | |
964 | |
965 | |
966 static ngx_int_t | |
573 | 967 ngx_http_variable_document_root(ngx_http_request_t *r, |
968 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 969 { |
671 | 970 ngx_str_t path; |
573 | 971 ngx_http_core_loc_conf_t *clcf; |
509 | 972 |
973 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
974 | |
671 | 975 if (clcf->root_lengths == NULL) { |
976 v->len = clcf->root.len; | |
977 v->valid = 1; | |
1565 | 978 v->no_cacheable = 0; |
671 | 979 v->not_found = 0; |
980 v->data = clcf->root.data; | |
981 | |
982 } else { | |
983 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
984 clcf->root_values->elts) | |
985 == NULL) | |
986 { | |
987 return NGX_ERROR; | |
988 } | |
989 | |
1352 | 990 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
991 == NGX_ERROR) | |
992 { | |
671 | 993 return NGX_ERROR; |
994 } | |
995 | |
996 v->len = path.len; | |
997 v->valid = 1; | |
1565 | 998 v->no_cacheable = 0; |
671 | 999 v->not_found = 0; |
1000 v->data = path.data; | |
1001 } | |
509 | 1002 |
573 | 1003 return NGX_OK; |
509 | 1004 } |
1005 | |
1006 | |
573 | 1007 static ngx_int_t |
2259 | 1008 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1009 ngx_http_variable_value_t *v, uintptr_t data) | |
1010 { | |
1011 size_t len; | |
1012 ngx_str_t path; | |
1013 ngx_http_core_loc_conf_t *clcf; | |
1014 u_char real[NGX_MAX_PATH]; | |
1015 | |
1016 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1017 | |
1018 if (clcf->root_lengths == NULL) { | |
1019 path = clcf->root; | |
1020 | |
1021 } else { | |
1022 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1023 clcf->root_values->elts) | |
1024 == NULL) | |
1025 { | |
1026 return NGX_ERROR; | |
1027 } | |
1028 | |
1029 path.data[path.len - 1] = '\0'; | |
1030 | |
1031 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
1032 == NGX_ERROR) | |
1033 { | |
1034 return NGX_ERROR; | |
1035 } | |
1036 } | |
1037 | |
1038 if (ngx_realpath(path.data, real) == NULL) { | |
1039 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1040 ngx_realpath_n " \"%s\" failed", path.data); | |
1041 return NGX_ERROR; | |
1042 } | |
1043 | |
1044 len = ngx_strlen(real); | |
1045 | |
1046 v->data = ngx_pnalloc(r->pool, len); | |
1047 if (v->data == NULL) { | |
1048 return NGX_ERROR; | |
1049 } | |
1050 | |
1051 v->len = len; | |
1052 v->valid = 1; | |
1053 v->no_cacheable = 0; | |
1054 v->not_found = 0; | |
1055 | |
1056 ngx_memcpy(v->data, real, len); | |
1057 | |
1058 return NGX_OK; | |
1059 } | |
1060 | |
1061 | |
1062 static ngx_int_t | |
573 | 1063 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1064 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1065 { |
773 | 1066 size_t root; |
573 | 1067 ngx_str_t path; |
499 | 1068 |
773 | 1069 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1070 return NGX_ERROR; |
557 | 1071 } |
509 | 1072 |
557 | 1073 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1074 |
573 | 1075 v->len = path.len - 1; |
1076 v->valid = 1; | |
1565 | 1077 v->no_cacheable = 0; |
573 | 1078 v->not_found = 0; |
1079 v->data = path.data; | |
499 | 1080 |
573 | 1081 return NGX_OK; |
499 | 1082 } |
1083 | |
1084 | |
573 | 1085 static ngx_int_t |
1811 | 1086 ngx_http_variable_server_name(ngx_http_request_t *r, |
1087 ngx_http_variable_value_t *v, uintptr_t data) | |
1088 { | |
1089 ngx_http_core_srv_conf_t *cscf; | |
1090 | |
1091 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1092 | |
1093 v->len = cscf->server_name.len; | |
1094 v->valid = 1; | |
1095 v->no_cacheable = 0; | |
1096 v->not_found = 0; | |
1097 v->data = cscf->server_name.data; | |
1098 | |
1099 return NGX_OK; | |
1100 } | |
1101 | |
1102 | |
1103 static ngx_int_t | |
573 | 1104 ngx_http_variable_request_method(ngx_http_request_t *r, |
1105 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1106 { |
647 | 1107 if (r->main->method_name.data) { |
1108 v->len = r->main->method_name.len; | |
573 | 1109 v->valid = 1; |
1565 | 1110 v->no_cacheable = 0; |
573 | 1111 v->not_found = 0; |
647 | 1112 v->data = r->main->method_name.data; |
573 | 1113 |
1114 } else { | |
1115 v->not_found = 1; | |
561 | 1116 } |
1117 | |
573 | 1118 return NGX_OK; |
561 | 1119 } |
1120 | |
1121 | |
573 | 1122 static ngx_int_t |
1123 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1124 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1125 { |
573 | 1126 ngx_int_t rc; |
539 | 1127 |
1128 rc = ngx_http_auth_basic_user(r); | |
1129 | |
1130 if (rc == NGX_DECLINED) { | |
573 | 1131 v->not_found = 1; |
1132 return NGX_OK; | |
539 | 1133 } |
1134 | |
1135 if (rc == NGX_ERROR) { | |
573 | 1136 return NGX_ERROR; |
539 | 1137 } |
1138 | |
573 | 1139 v->len = r->headers_in.user.len; |
1140 v->valid = 1; | |
1565 | 1141 v->no_cacheable = 0; |
573 | 1142 v->not_found = 0; |
1143 v->data = r->headers_in.user.data; | |
571 | 1144 |
573 | 1145 return NGX_OK; |
571 | 1146 } |
1147 | |
1148 | |
611 | 1149 static ngx_int_t |
1150 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1151 ngx_http_variable_value_t *v, uintptr_t data) | |
1152 { | |
1153 off_t sent; | |
1154 u_char *p; | |
1155 | |
1156 sent = r->connection->sent - r->header_size; | |
1157 | |
1158 if (sent < 0) { | |
1159 sent = 0; | |
1160 } | |
1161 | |
2049 | 1162 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1163 if (p == NULL) { |
1164 return NGX_ERROR; | |
1165 } | |
1166 | |
1167 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1168 v->valid = 1; | |
1565 | 1169 v->no_cacheable = 0; |
611 | 1170 v->not_found = 0; |
1171 v->data = p; | |
1172 | |
1173 return NGX_OK; | |
1174 } | |
1175 | |
1176 | |
629 | 1177 static ngx_int_t |
641 | 1178 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1179 ngx_http_variable_value_t *v, uintptr_t data) | |
1180 { | |
1181 if (r->headers_out.content_type.len) { | |
1182 v->len = r->headers_out.content_type.len; | |
1183 v->valid = 1; | |
1565 | 1184 v->no_cacheable = 0; |
641 | 1185 v->not_found = 0; |
1186 v->data = r->headers_out.content_type.data; | |
1187 | |
1188 } else { | |
1189 v->not_found = 1; | |
1190 } | |
1191 | |
1192 return NGX_OK; | |
1193 } | |
1194 | |
1195 | |
1196 static ngx_int_t | |
1197 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1198 ngx_http_variable_value_t *v, uintptr_t data) | |
1199 { | |
1200 u_char *p; | |
1201 | |
1202 if (r->headers_out.content_length) { | |
1203 v->len = r->headers_out.content_length->value.len; | |
1204 v->valid = 1; | |
1565 | 1205 v->no_cacheable = 0; |
641 | 1206 v->not_found = 0; |
1207 v->data = r->headers_out.content_length->value.data; | |
1208 | |
1209 return NGX_OK; | |
1210 } | |
1211 | |
1212 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1213 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1214 if (p == NULL) { |
1215 return NGX_ERROR; | |
1216 } | |
1217 | |
1218 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1219 v->valid = 1; | |
1565 | 1220 v->no_cacheable = 0; |
641 | 1221 v->not_found = 0; |
1222 v->data = p; | |
1223 | |
1224 return NGX_OK; | |
1225 } | |
1226 | |
1227 v->not_found = 1; | |
1228 | |
1229 return NGX_OK; | |
1230 } | |
1231 | |
1232 | |
1233 static ngx_int_t | |
1234 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
1235 ngx_http_variable_value_t *v, uintptr_t data) | |
1236 { | |
1237 u_char *p; | |
1238 | |
1239 if (r->headers_out.last_modified) { | |
1240 v->len = r->headers_out.last_modified->value.len; | |
1241 v->valid = 1; | |
1565 | 1242 v->no_cacheable = 0; |
641 | 1243 v->not_found = 0; |
1244 v->data = r->headers_out.last_modified->value.data; | |
1245 | |
1246 return NGX_OK; | |
1247 } | |
1248 | |
1249 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1250 p = ngx_pnalloc(r->pool, |
641 | 1251 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1252 if (p == NULL) { | |
1253 return NGX_ERROR; | |
1254 } | |
1255 | |
1256 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1257 v->valid = 1; | |
1565 | 1258 v->no_cacheable = 0; |
641 | 1259 v->not_found = 0; |
1260 v->data = p; | |
1261 | |
1262 return NGX_OK; | |
1263 } | |
1264 | |
1265 v->not_found = 1; | |
1266 | |
1267 return NGX_OK; | |
1268 } | |
1269 | |
1270 | |
1271 static ngx_int_t | |
1272 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1273 ngx_http_variable_value_t *v, uintptr_t data) | |
1274 { | |
1275 size_t len; | |
1276 char *p; | |
1277 | |
1278 if (r->keepalive) { | |
1279 len = sizeof("keep-alive") - 1; | |
1280 p = "keep-alive"; | |
1281 | |
1282 } else { | |
1283 len = sizeof("close") - 1; | |
1284 p = "close"; | |
1285 } | |
1286 | |
1287 v->len = len; | |
1288 v->valid = 1; | |
1565 | 1289 v->no_cacheable = 0; |
641 | 1290 v->not_found = 0; |
1291 v->data = (u_char *) p; | |
1292 | |
1293 return NGX_OK; | |
1294 } | |
1295 | |
1296 | |
1297 static ngx_int_t | |
1298 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1299 ngx_http_variable_value_t *v, uintptr_t data) | |
1300 { | |
1301 u_char *p; | |
1302 ngx_http_core_loc_conf_t *clcf; | |
1303 | |
1304 if (r->keepalive) { | |
1305 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1306 | |
1307 if (clcf->keepalive_header) { | |
1308 | |
2049 | 1309 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1310 if (p == NULL) { |
1311 return NGX_ERROR; | |
1312 } | |
1313 | |
1314 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1315 v->valid = 1; | |
1565 | 1316 v->no_cacheable = 0; |
641 | 1317 v->not_found = 0; |
1318 v->data = p; | |
1319 | |
1320 return NGX_OK; | |
1321 } | |
1322 } | |
1323 | |
1324 v->not_found = 1; | |
1325 | |
1326 return NGX_OK; | |
1327 } | |
1328 | |
1329 | |
1330 static ngx_int_t | |
1331 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1332 ngx_http_variable_value_t *v, uintptr_t data) | |
1333 { | |
1334 if (r->chunked) { | |
1335 v->len = sizeof("chunked") - 1; | |
1336 v->valid = 1; | |
1565 | 1337 v->no_cacheable = 0; |
641 | 1338 v->not_found = 0; |
1339 v->data = (u_char *) "chunked"; | |
1340 | |
1341 } else { | |
1342 v->not_found = 1; | |
1343 } | |
1344 | |
1345 return NGX_OK; | |
1346 } | |
1347 | |
1348 | |
1349 static ngx_int_t | |
629 | 1350 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1351 ngx_http_variable_value_t *v, uintptr_t data) | |
1352 { | |
1353 if (r->request_complete) { | |
1354 v->len = 2; | |
1355 v->valid = 1; | |
1565 | 1356 v->no_cacheable = 0; |
629 | 1357 v->not_found = 0; |
1358 v->data = (u_char *) "OK"; | |
1359 | |
1360 return NGX_OK; | |
1361 } | |
1362 | |
1363 v->len = 0; | |
1364 v->valid = 1; | |
1565 | 1365 v->no_cacheable = 0; |
629 | 1366 v->not_found = 0; |
1367 v->data = (u_char *) ""; | |
1368 | |
1369 return NGX_OK; | |
1370 } | |
1371 | |
1372 | |
759 | 1373 static ngx_int_t |
1374 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
1375 ngx_http_variable_value_t *v, uintptr_t data) | |
1376 { | |
1377 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
763
0b0f3d4854c0
variable should not be found if no request body file
Igor Sysoev <igor@sysoev.ru>
parents:
759
diff
changeset
|
1378 v->not_found = 1; |
759 | 1379 |
1380 return NGX_OK; | |
1381 } | |
1382 | |
1383 v->len = r->request_body->temp_file->file.name.len; | |
1384 v->valid = 1; | |
1565 | 1385 v->no_cacheable = 0; |
759 | 1386 v->not_found = 0; |
1387 v->data = r->request_body->temp_file->file.name.data; | |
1388 | |
1389 return NGX_OK; | |
1390 } | |
1391 | |
1392 | |
1329 | 1393 static ngx_int_t |
1394 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1395 ngx_http_variable_value_t *v, uintptr_t data) | |
1396 { | |
1397 v->len = sizeof(NGINX_VERSION) - 1; | |
1398 v->valid = 1; | |
1565 | 1399 v->no_cacheable = 0; |
1329 | 1400 v->not_found = 0; |
1401 v->data = (u_char *) NGINX_VERSION; | |
1402 | |
1403 return NGX_OK; | |
1404 } | |
1405 | |
1406 | |
2011 | 1407 static ngx_int_t |
1408 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1409 ngx_http_variable_value_t *v, uintptr_t data) | |
1410 { | |
1411 v->len = ngx_cycle->hostname.len; | |
1412 v->valid = 1; | |
1413 v->no_cacheable = 0; | |
1414 v->not_found = 0; | |
1415 v->data = ngx_cycle->hostname.data; | |
1416 | |
1417 return NGX_OK; | |
1418 } | |
1419 | |
1420 | |
2249 | 1421 static ngx_int_t |
1422 ngx_http_variable_pid(ngx_http_request_t *r, | |
1423 ngx_http_variable_value_t *v, uintptr_t data) | |
1424 { | |
1425 u_char *p; | |
1426 | |
1427 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1428 if (p == NULL) { | |
1429 return NGX_ERROR; | |
1430 } | |
1431 | |
1432 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1433 v->valid = 1; | |
1434 v->no_cacheable = 0; | |
1435 v->not_found = 0; | |
1436 v->data = p; | |
1437 | |
1438 return NGX_OK; | |
1439 } | |
1440 | |
1441 | |
499 | 1442 ngx_int_t |
509 | 1443 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1444 { |
611 | 1445 ngx_int_t rc; |
1446 ngx_http_variable_t *v; | |
501 | 1447 ngx_http_core_main_conf_t *cmcf; |
499 | 1448 |
509 | 1449 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1450 | |
611 | 1451 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1452 sizeof(ngx_hash_keys_arrays_t)); | |
1453 if (cmcf->variables_keys == NULL) { | |
1454 return NGX_ERROR; | |
1455 } | |
1456 | |
1457 cmcf->variables_keys->pool = cf->pool; | |
1458 cmcf->variables_keys->temp_pool = cf->pool; | |
1459 | |
1460 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1461 != NGX_OK) | |
509 | 1462 { |
499 | 1463 return NGX_ERROR; |
1464 } | |
1465 | |
611 | 1466 for (v = ngx_http_core_variables; v->name.len; v++) { |
1467 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1468 NGX_HASH_READONLY_KEY); | |
1469 | |
1470 if (rc == NGX_OK) { | |
1471 continue; | |
499 | 1472 } |
1473 | |
611 | 1474 if (rc == NGX_BUSY) { |
1475 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1476 "conflicting variable name \"%V\"", &v->name); | |
1477 } | |
1478 | |
1479 return NGX_ERROR; | |
499 | 1480 } |
1481 | |
1482 return NGX_OK; | |
1483 } | |
509 | 1484 |
1485 | |
1486 ngx_int_t | |
1487 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1488 { | |
1489 ngx_uint_t i, n; | |
611 | 1490 ngx_hash_key_t *key; |
1491 ngx_hash_init_t hash; | |
509 | 1492 ngx_http_variable_t *v, *av; |
1493 ngx_http_core_main_conf_t *cmcf; | |
1494 | |
1495 /* set the handlers for the indexed http variables */ | |
1496 | |
1497 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1498 | |
1499 v = cmcf->variables.elts; | |
611 | 1500 key = cmcf->variables_keys->keys.elts; |
509 | 1501 |
1502 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1503 | |
611 | 1504 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1505 |
1191
0eb2dc4fdea8
fix segfault introduced in r1190
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parents:
1173
diff
changeset
|
1506 av = key[n].value; |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1507 |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1508 if (av->get_handler |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1509 && v[i].name.len == key[n].key.len |
611 | 1510 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1511 == 0) |
1512 { | |
637 | 1513 v[i].get_handler = av->get_handler; |
611 | 1514 v[i].data = av->data; |
527 | 1515 |
611 | 1516 av->flags |= NGX_HTTP_VAR_INDEXED; |
1517 v[i].flags = av->flags; | |
509 | 1518 |
611 | 1519 av->index = i; |
533 | 1520 |
509 | 1521 goto next; |
1522 } | |
1523 } | |
1524 | |
1525 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 1526 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 1527 v[i].data = (uintptr_t) &v[i].name; |
1528 | |
1529 continue; | |
1530 } | |
1531 | |
1532 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 1533 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 1534 v[i].data = (uintptr_t) &v[i].name; |
1535 | |
1536 continue; | |
1537 } | |
1538 | |
1162 | 1539 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
1540 v[i].get_handler = ngx_http_upstream_header_variable; | |
1541 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 1542 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 1543 |
1544 continue; | |
1545 } | |
1546 | |
2137 | 1547 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
1548 v[i].get_handler = ngx_http_variable_argument; | |
1549 v[i].data = (uintptr_t) &v[i].name; | |
1550 | |
1551 continue; | |
1552 } | |
1553 | |
509 | 1554 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
1555 "unknown \"%V\" variable", &v[i].name); | |
1556 | |
1557 return NGX_ERROR; | |
1558 | |
1559 next: | |
1560 continue; | |
1561 } | |
1562 | |
1563 | |
611 | 1564 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
1565 av = key[n].value; | |
1566 | |
1567 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
1568 key[n].key.data = NULL; | |
583 | 1569 } |
1570 } | |
1571 | |
1572 | |
611 | 1573 hash.hash = &cmcf->variables_hash; |
1574 hash.key = ngx_hash_key; | |
1575 hash.max_size = cmcf->variables_hash_max_size; | |
1576 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1577 hash.name = "variables_hash"; | |
1578 hash.pool = cf->pool; | |
1579 hash.temp_pool = NULL; | |
509 | 1580 |
611 | 1581 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
1582 cmcf->variables_keys->keys.nelts) | |
581 | 1583 != NGX_OK) |
509 | 1584 { |
1585 return NGX_ERROR; | |
1586 } | |
1587 | |
611 | 1588 cmcf->variables_keys = NULL; |
509 | 1589 |
1590 return NGX_OK; | |
1591 } |