Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2307:4b98aa04ee24
$cookie_... variable
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 12 Nov 2008 11:12:02 +0000 |
parents | 0864138899f1 |
children | f267d23868fc |
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
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ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
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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 | |
2307 | 491 if (ngx_strncmp(name->data, "cookie_", 7) == 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 | |
2137 | 500 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
501 | |
502 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
503 return vv; | |
504 } | |
505 | |
506 return NULL; | |
507 } | |
508 | |
635 | 509 vv->not_found = 1; |
573 | 510 |
635 | 511 if (nowarn == 0) { |
512 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
513 "unknown \"%V\" variable", name); | |
514 } | |
499 | 515 |
501 | 516 return vv; |
499 | 517 } |
518 | |
519 | |
573 | 520 static ngx_int_t |
521 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
522 uintptr_t data) | |
523 { | |
524 ngx_str_t *s; | |
525 | |
526 s = (ngx_str_t *) ((char *) r + data); | |
527 | |
528 if (s->data) { | |
529 v->len = s->len; | |
530 v->valid = 1; | |
1565 | 531 v->no_cacheable = 0; |
573 | 532 v->not_found = 0; |
533 v->data = s->data; | |
534 | |
535 } else { | |
536 v->not_found = 1; | |
537 } | |
538 | |
539 return NGX_OK; | |
540 } | |
541 | |
542 | |
637 | 543 static void |
1350 | 544 ngx_http_variable_request_set(ngx_http_request_t *r, |
545 ngx_http_variable_value_t *v, uintptr_t data) | |
546 { | |
547 ngx_str_t *s; | |
548 | |
549 s = (ngx_str_t *) ((char *) r + data); | |
550 | |
551 s->len = v->len; | |
552 s->data = v->data; | |
553 } | |
554 | |
555 | |
556 static void | |
637 | 557 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
558 ngx_http_variable_value_t *v, uintptr_t data) | |
559 { | |
560 ssize_t s, *sp; | |
561 ngx_str_t val; | |
562 | |
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563 val.len = v->len; |
637 | 564 val.data = v->data; |
565 | |
566 s = ngx_parse_size(&val); | |
567 | |
568 if (s == NGX_ERROR) { | |
569 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
570 "invalid size \"%V\"", &val); | |
571 return; | |
572 } | |
573 | |
574 sp = (ssize_t *) ((char *) r + data); | |
575 | |
576 *sp = s; | |
577 | |
578 return; | |
579 } | |
580 | |
581 | |
573 | 582 static ngx_int_t |
583 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
584 uintptr_t data) | |
515 | 585 { |
573 | 586 ngx_table_elt_t *h; |
587 | |
588 h = *(ngx_table_elt_t **) ((char *) r + data); | |
589 | |
590 if (h) { | |
591 v->len = h->value.len; | |
592 v->valid = 1; | |
1565 | 593 v->no_cacheable = 0; |
573 | 594 v->not_found = 0; |
595 v->data = h->value.data; | |
596 | |
597 } else { | |
598 v->not_found = 1; | |
599 } | |
600 | |
601 return NGX_OK; | |
602 } | |
603 | |
604 | |
605 static ngx_int_t | |
606 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
607 uintptr_t data) | |
608 { | |
667 | 609 ssize_t len; |
573 | 610 u_char *p; |
667 | 611 ngx_uint_t i, n; |
573 | 612 ngx_array_t *a; |
613 ngx_table_elt_t **h; | |
515 | 614 |
615 a = (ngx_array_t *) ((char *) r + data); | |
616 | |
667 | 617 n = a->nelts; |
618 | |
619 if (n == 0) { | |
573 | 620 v->not_found = 1; |
621 return NGX_OK; | |
515 | 622 } |
623 | |
573 | 624 v->valid = 1; |
1565 | 625 v->no_cacheable = 0; |
573 | 626 v->not_found = 0; |
515 | 627 |
628 h = a->elts; | |
629 | |
667 | 630 if (n == 1) { |
573 | 631 v->len = (*h)->value.len; |
632 v->data = (*h)->value.data; | |
515 | 633 |
573 | 634 return NGX_OK; |
515 | 635 } |
636 | |
667 | 637 len = - (ssize_t) (sizeof("; ") - 1); |
573 | 638 |
667 | 639 for (i = 0; i < n; i++) { |
573 | 640 len += h[i]->value.len + sizeof("; ") - 1; |
515 | 641 } |
642 | |
2049 | 643 p = ngx_pnalloc(r->pool, len); |
573 | 644 if (p == NULL) { |
645 return NGX_ERROR; | |
646 } | |
647 | |
648 v->len = len; | |
649 v->data = p; | |
515 | 650 |
651 for (i = 0; /* void */ ; i++) { | |
573 | 652 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 653 |
667 | 654 if (i == n - 1) { |
515 | 655 break; |
656 } | |
657 | |
658 *p++ = ';'; *p++ = ' '; | |
659 } | |
660 | |
573 | 661 return NGX_OK; |
515 | 662 } |
663 | |
664 | |
573 | 665 static ngx_int_t |
577 | 666 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
667 ngx_http_variable_value_t *v, uintptr_t data) | |
668 { | |
669 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
670 &r->headers_in.headers.part, | |
671 sizeof("http_") - 1); | |
672 } | |
673 | |
674 | |
675 static ngx_int_t | |
676 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 677 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 678 { |
577 | 679 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
680 &r->headers_out.headers.part, | |
681 sizeof("sent_http_") - 1); | |
682 } | |
501 | 683 |
577 | 684 |
1162 | 685 ngx_int_t |
577 | 686 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
687 ngx_list_part_t *part, size_t prefix) | |
688 { | |
573 | 689 u_char ch; |
690 ngx_uint_t i, n; | |
691 ngx_table_elt_t *header; | |
499 | 692 |
693 header = part->elts; | |
694 | |
695 for (i = 0; /* void */ ; i++) { | |
696 | |
697 if (i >= part->nelts) { | |
698 if (part->next == NULL) { | |
699 break; | |
700 } | |
701 | |
702 part = part->next; | |
703 header = part->elts; | |
704 i = 0; | |
705 } | |
706 | |
577 | 707 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 708 ch = header[i].key.data[n]; |
709 | |
509 | 710 if (ch >= 'A' && ch <= 'Z') { |
711 ch |= 0x20; | |
499 | 712 |
713 } else if (ch == '-') { | |
714 ch = '_'; | |
715 } | |
716 | |
577 | 717 if (var->data[n + prefix] != ch) { |
499 | 718 break; |
719 } | |
720 } | |
721 | |
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722 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 723 v->len = header[i].value.len; |
724 v->valid = 1; | |
1565 | 725 v->no_cacheable = 0; |
573 | 726 v->not_found = 0; |
727 v->data = header[i].value.data; | |
499 | 728 |
573 | 729 return NGX_OK; |
499 | 730 } |
731 } | |
732 | |
573 | 733 v->not_found = 1; |
734 | |
735 return NGX_OK; | |
509 | 736 } |
737 | |
738 | |
573 | 739 static ngx_int_t |
2307 | 740 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
741 uintptr_t data) | |
742 { | |
743 ngx_str_t *name = (ngx_str_t *) data; | |
744 | |
745 ngx_str_t cookie, s; | |
746 | |
747 s.len = name->len - (sizeof("cookie_") - 1); | |
748 s.data = name->data + sizeof("cookie_") - 1; | |
749 | |
750 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
751 == NGX_DECLINED) | |
752 { | |
753 v->not_found = 1; | |
754 return NGX_OK; | |
755 } | |
756 | |
757 v->len = cookie.len; | |
758 v->valid = 1; | |
759 v->no_cacheable = 0; | |
760 v->not_found = 0; | |
761 v->data = cookie.data; | |
762 | |
763 return NGX_OK; | |
764 } | |
765 | |
766 | |
767 static ngx_int_t | |
2137 | 768 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
769 uintptr_t data) | |
770 { | |
771 ngx_str_t *name = (ngx_str_t *) data; | |
772 | |
773 u_char *p, *arg; | |
774 size_t len; | |
775 | |
776 if (r->args.len == 0) { | |
777 v->not_found = 1; | |
778 return NGX_OK; | |
779 } | |
780 | |
781 len = name->len - 1 - (sizeof("arg_") - 1); | |
782 arg = name->data + sizeof("arg_") - 1; | |
783 | |
784 for (p = r->args.data; *p && *p != ' '; p++) { | |
785 | |
786 /* | |
787 * although r->args.data is not null-terminated by itself, | |
788 * however, there is null in the end of request line | |
789 */ | |
790 | |
791 p = ngx_strcasestrn(p, (char *) arg, len); | |
792 | |
793 if (p == NULL) { | |
794 v->not_found = 1; | |
795 return NGX_OK; | |
796 } | |
797 | |
798 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
799 | |
800 v->data = p + len + 2; | |
801 | |
802 p = (u_char *) ngx_strchr(p, '&'); | |
803 | |
804 if (p == NULL) { | |
805 p = r->args.data + r->args.len; | |
806 } | |
807 | |
808 v->len = p - v->data; | |
809 v->valid = 1; | |
810 v->no_cacheable = 0; | |
811 v->not_found = 0; | |
812 | |
813 return NGX_OK; | |
814 } | |
815 } | |
816 | |
817 v->not_found = 1; | |
818 | |
819 return NGX_OK; | |
820 } | |
821 | |
822 | |
823 static ngx_int_t | |
573 | 824 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
825 uintptr_t data) | |
509 | 826 { |
1811 | 827 ngx_http_core_srv_conf_t *cscf; |
828 | |
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829 if (r->headers_in.server.len) { |
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830 v->len = r->headers_in.server.len; |
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831 v->data = r->headers_in.server.data; |
928
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832 |
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833 } else { |
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834 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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835 |
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836 v->len = cscf->server_name.len; |
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837 v->data = cscf->server_name.data; |
509 | 838 } |
839 | |
573 | 840 v->valid = 1; |
1565 | 841 v->no_cacheable = 0; |
573 | 842 v->not_found = 0; |
509 | 843 |
573 | 844 return NGX_OK; |
499 | 845 } |
846 | |
847 | |
573 | 848 static ngx_int_t |
983
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849 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 850 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 851 { |
982 | 852 struct sockaddr_in *sin; |
853 | |
983
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854 /* AF_INET only */ |
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855 |
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856 sin = (struct sockaddr_in *) r->connection->sockaddr; |
982 | 857 |
983
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858 v->len = sizeof(in_addr_t); |
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859 v->valid = 1; |
1565 | 860 v->no_cacheable = 0; |
983
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861 v->not_found = 0; |
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862 v->data = (u_char *) &sin->sin_addr.s_addr; |
982 | 863 |
983
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864 return NGX_OK; |
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865 } |
982 | 866 |
867 | |
983
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868 static ngx_int_t |
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869 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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870 ngx_http_variable_value_t *v, uintptr_t data) |
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871 { |
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872 v->len = r->connection->addr_text.len; |
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873 v->valid = 1; |
1565 | 874 v->no_cacheable = 0; |
983
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875 v->not_found = 0; |
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876 v->data = r->connection->addr_text.data; |
499 | 877 |
573 | 878 return NGX_OK; |
499 | 879 } |
880 | |
881 | |
573 | 882 static ngx_int_t |
883 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
884 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 885 { |
573 | 886 ngx_uint_t port; |
887 struct sockaddr_in *sin; | |
509 | 888 |
573 | 889 v->len = 0; |
890 v->valid = 1; | |
1565 | 891 v->no_cacheable = 0; |
573 | 892 v->not_found = 0; |
509 | 893 |
2049 | 894 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 895 if (v->data == NULL) { |
896 return NGX_ERROR; | |
509 | 897 } |
898 | |
899 /* AF_INET only */ | |
577 | 900 |
509 | 901 if (r->connection->sockaddr->sa_family == AF_INET) { |
902 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
577 | 903 |
509 | 904 port = ntohs(sin->sin_port); |
577 | 905 |
509 | 906 if (port > 0 && port < 65536) { |
573 | 907 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 908 } |
909 } | |
910 | |
573 | 911 return NGX_OK; |
509 | 912 } |
913 | |
914 | |
573 | 915 static ngx_int_t |
916 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
917 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 918 { |
1805 | 919 ngx_str_t s; |
499 | 920 |
2197
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921 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
1805 | 922 if (s.data == NULL) { |
573 | 923 return NGX_ERROR; |
509 | 924 } |
925 | |
1805 | 926 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
927 return NGX_ERROR; | |
509 | 928 } |
929 | |
1805 | 930 v->len = s.len; |
573 | 931 v->valid = 1; |
1565 | 932 v->no_cacheable = 0; |
573 | 933 v->not_found = 0; |
1805 | 934 v->data = s.data; |
499 | 935 |
573 | 936 return NGX_OK; |
499 | 937 } |
938 | |
939 | |
573 | 940 static ngx_int_t |
941 ngx_http_variable_server_port(ngx_http_request_t *r, | |
942 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 943 { |
573 | 944 v->len = r->port_text->len - 1; |
945 v->valid = 1; | |
1565 | 946 v->no_cacheable = 0; |
573 | 947 v->not_found = 0; |
948 v->data = r->port_text->data + 1; | |
509 | 949 |
573 | 950 return NGX_OK; |
509 | 951 } |
952 | |
953 | |
573 | 954 static ngx_int_t |
731 | 955 ngx_http_variable_scheme(ngx_http_request_t *r, |
956 ngx_http_variable_value_t *v, uintptr_t data) | |
957 { | |
958 #if (NGX_HTTP_SSL) | |
959 | |
960 if (r->connection->ssl) { | |
961 v->len = sizeof("https") - 1; | |
962 v->valid = 1; | |
1565 | 963 v->no_cacheable = 0; |
731 | 964 v->not_found = 0; |
732 | 965 v->data = (u_char *) "https"; |
731 | 966 |
967 return NGX_OK; | |
968 } | |
969 | |
970 #endif | |
971 | |
972 v->len = sizeof("http") - 1; | |
973 v->valid = 1; | |
1565 | 974 v->no_cacheable = 0; |
731 | 975 v->not_found = 0; |
732 | 976 v->data = (u_char *) "http"; |
731 | 977 |
978 return NGX_OK; | |
979 } | |
980 | |
981 | |
982 static ngx_int_t | |
1351 | 983 ngx_http_variable_is_args(ngx_http_request_t *r, |
984 ngx_http_variable_value_t *v, uintptr_t data) | |
985 { | |
986 v->valid = 1; | |
1565 | 987 v->no_cacheable = 0; |
1351 | 988 v->not_found = 0; |
989 | |
990 if (r->args.len == 0) { | |
991 v->len = 0; | |
992 v->data = NULL; | |
993 return NGX_OK; | |
994 } | |
995 | |
996 v->len = 1; | |
997 v->data = (u_char *) "?"; | |
998 | |
999 return NGX_OK; | |
1000 } | |
1001 | |
1002 | |
1003 static ngx_int_t | |
573 | 1004 ngx_http_variable_document_root(ngx_http_request_t *r, |
1005 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1006 { |
671 | 1007 ngx_str_t path; |
573 | 1008 ngx_http_core_loc_conf_t *clcf; |
509 | 1009 |
1010 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1011 | |
671 | 1012 if (clcf->root_lengths == NULL) { |
1013 v->len = clcf->root.len; | |
1014 v->valid = 1; | |
1565 | 1015 v->no_cacheable = 0; |
671 | 1016 v->not_found = 0; |
1017 v->data = clcf->root.data; | |
1018 | |
1019 } else { | |
1020 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1021 clcf->root_values->elts) | |
1022 == NULL) | |
1023 { | |
1024 return NGX_ERROR; | |
1025 } | |
1026 | |
1352 | 1027 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
1028 == NGX_ERROR) | |
1029 { | |
671 | 1030 return NGX_ERROR; |
1031 } | |
1032 | |
1033 v->len = path.len; | |
1034 v->valid = 1; | |
1565 | 1035 v->no_cacheable = 0; |
671 | 1036 v->not_found = 0; |
1037 v->data = path.data; | |
1038 } | |
509 | 1039 |
573 | 1040 return NGX_OK; |
509 | 1041 } |
1042 | |
1043 | |
573 | 1044 static ngx_int_t |
2259 | 1045 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1046 ngx_http_variable_value_t *v, uintptr_t data) | |
1047 { | |
1048 size_t len; | |
1049 ngx_str_t path; | |
1050 ngx_http_core_loc_conf_t *clcf; | |
1051 u_char real[NGX_MAX_PATH]; | |
1052 | |
1053 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1054 | |
1055 if (clcf->root_lengths == NULL) { | |
1056 path = clcf->root; | |
1057 | |
1058 } else { | |
1059 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1060 clcf->root_values->elts) | |
1061 == NULL) | |
1062 { | |
1063 return NGX_ERROR; | |
1064 } | |
1065 | |
1066 path.data[path.len - 1] = '\0'; | |
1067 | |
1068 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
1069 == NGX_ERROR) | |
1070 { | |
1071 return NGX_ERROR; | |
1072 } | |
1073 } | |
1074 | |
1075 if (ngx_realpath(path.data, real) == NULL) { | |
1076 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1077 ngx_realpath_n " \"%s\" failed", path.data); | |
1078 return NGX_ERROR; | |
1079 } | |
1080 | |
1081 len = ngx_strlen(real); | |
1082 | |
1083 v->data = ngx_pnalloc(r->pool, len); | |
1084 if (v->data == NULL) { | |
1085 return NGX_ERROR; | |
1086 } | |
1087 | |
1088 v->len = len; | |
1089 v->valid = 1; | |
1090 v->no_cacheable = 0; | |
1091 v->not_found = 0; | |
1092 | |
1093 ngx_memcpy(v->data, real, len); | |
1094 | |
1095 return NGX_OK; | |
1096 } | |
1097 | |
1098 | |
1099 static ngx_int_t | |
573 | 1100 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1101 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1102 { |
773 | 1103 size_t root; |
573 | 1104 ngx_str_t path; |
499 | 1105 |
773 | 1106 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1107 return NGX_ERROR; |
557 | 1108 } |
509 | 1109 |
557 | 1110 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1111 |
573 | 1112 v->len = path.len - 1; |
1113 v->valid = 1; | |
1565 | 1114 v->no_cacheable = 0; |
573 | 1115 v->not_found = 0; |
1116 v->data = path.data; | |
499 | 1117 |
573 | 1118 return NGX_OK; |
499 | 1119 } |
1120 | |
1121 | |
573 | 1122 static ngx_int_t |
1811 | 1123 ngx_http_variable_server_name(ngx_http_request_t *r, |
1124 ngx_http_variable_value_t *v, uintptr_t data) | |
1125 { | |
1126 ngx_http_core_srv_conf_t *cscf; | |
1127 | |
1128 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1129 | |
1130 v->len = cscf->server_name.len; | |
1131 v->valid = 1; | |
1132 v->no_cacheable = 0; | |
1133 v->not_found = 0; | |
1134 v->data = cscf->server_name.data; | |
1135 | |
1136 return NGX_OK; | |
1137 } | |
1138 | |
1139 | |
1140 static ngx_int_t | |
573 | 1141 ngx_http_variable_request_method(ngx_http_request_t *r, |
1142 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1143 { |
647 | 1144 if (r->main->method_name.data) { |
1145 v->len = r->main->method_name.len; | |
573 | 1146 v->valid = 1; |
1565 | 1147 v->no_cacheable = 0; |
573 | 1148 v->not_found = 0; |
647 | 1149 v->data = r->main->method_name.data; |
573 | 1150 |
1151 } else { | |
1152 v->not_found = 1; | |
561 | 1153 } |
1154 | |
573 | 1155 return NGX_OK; |
561 | 1156 } |
1157 | |
1158 | |
573 | 1159 static ngx_int_t |
1160 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1161 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1162 { |
573 | 1163 ngx_int_t rc; |
539 | 1164 |
1165 rc = ngx_http_auth_basic_user(r); | |
1166 | |
1167 if (rc == NGX_DECLINED) { | |
573 | 1168 v->not_found = 1; |
1169 return NGX_OK; | |
539 | 1170 } |
1171 | |
1172 if (rc == NGX_ERROR) { | |
573 | 1173 return NGX_ERROR; |
539 | 1174 } |
1175 | |
573 | 1176 v->len = r->headers_in.user.len; |
1177 v->valid = 1; | |
1565 | 1178 v->no_cacheable = 0; |
573 | 1179 v->not_found = 0; |
1180 v->data = r->headers_in.user.data; | |
571 | 1181 |
573 | 1182 return NGX_OK; |
571 | 1183 } |
1184 | |
1185 | |
611 | 1186 static ngx_int_t |
1187 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1188 ngx_http_variable_value_t *v, uintptr_t data) | |
1189 { | |
1190 off_t sent; | |
1191 u_char *p; | |
1192 | |
1193 sent = r->connection->sent - r->header_size; | |
1194 | |
1195 if (sent < 0) { | |
1196 sent = 0; | |
1197 } | |
1198 | |
2049 | 1199 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1200 if (p == NULL) { |
1201 return NGX_ERROR; | |
1202 } | |
1203 | |
1204 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1205 v->valid = 1; | |
1565 | 1206 v->no_cacheable = 0; |
611 | 1207 v->not_found = 0; |
1208 v->data = p; | |
1209 | |
1210 return NGX_OK; | |
1211 } | |
1212 | |
1213 | |
629 | 1214 static ngx_int_t |
641 | 1215 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1216 ngx_http_variable_value_t *v, uintptr_t data) | |
1217 { | |
1218 if (r->headers_out.content_type.len) { | |
1219 v->len = r->headers_out.content_type.len; | |
1220 v->valid = 1; | |
1565 | 1221 v->no_cacheable = 0; |
641 | 1222 v->not_found = 0; |
1223 v->data = r->headers_out.content_type.data; | |
1224 | |
1225 } else { | |
1226 v->not_found = 1; | |
1227 } | |
1228 | |
1229 return NGX_OK; | |
1230 } | |
1231 | |
1232 | |
1233 static ngx_int_t | |
1234 ngx_http_variable_sent_content_length(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.content_length) { | |
1240 v->len = r->headers_out.content_length->value.len; | |
1241 v->valid = 1; | |
1565 | 1242 v->no_cacheable = 0; |
641 | 1243 v->not_found = 0; |
1244 v->data = r->headers_out.content_length->value.data; | |
1245 | |
1246 return NGX_OK; | |
1247 } | |
1248 | |
1249 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1250 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1251 if (p == NULL) { |
1252 return NGX_ERROR; | |
1253 } | |
1254 | |
1255 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1256 v->valid = 1; | |
1565 | 1257 v->no_cacheable = 0; |
641 | 1258 v->not_found = 0; |
1259 v->data = p; | |
1260 | |
1261 return NGX_OK; | |
1262 } | |
1263 | |
1264 v->not_found = 1; | |
1265 | |
1266 return NGX_OK; | |
1267 } | |
1268 | |
1269 | |
1270 static ngx_int_t | |
1271 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
1272 ngx_http_variable_value_t *v, uintptr_t data) | |
1273 { | |
1274 u_char *p; | |
1275 | |
1276 if (r->headers_out.last_modified) { | |
1277 v->len = r->headers_out.last_modified->value.len; | |
1278 v->valid = 1; | |
1565 | 1279 v->no_cacheable = 0; |
641 | 1280 v->not_found = 0; |
1281 v->data = r->headers_out.last_modified->value.data; | |
1282 | |
1283 return NGX_OK; | |
1284 } | |
1285 | |
1286 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1287 p = ngx_pnalloc(r->pool, |
641 | 1288 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1289 if (p == NULL) { | |
1290 return NGX_ERROR; | |
1291 } | |
1292 | |
1293 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1294 v->valid = 1; | |
1565 | 1295 v->no_cacheable = 0; |
641 | 1296 v->not_found = 0; |
1297 v->data = p; | |
1298 | |
1299 return NGX_OK; | |
1300 } | |
1301 | |
1302 v->not_found = 1; | |
1303 | |
1304 return NGX_OK; | |
1305 } | |
1306 | |
1307 | |
1308 static ngx_int_t | |
1309 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1310 ngx_http_variable_value_t *v, uintptr_t data) | |
1311 { | |
1312 size_t len; | |
1313 char *p; | |
1314 | |
1315 if (r->keepalive) { | |
1316 len = sizeof("keep-alive") - 1; | |
1317 p = "keep-alive"; | |
1318 | |
1319 } else { | |
1320 len = sizeof("close") - 1; | |
1321 p = "close"; | |
1322 } | |
1323 | |
1324 v->len = len; | |
1325 v->valid = 1; | |
1565 | 1326 v->no_cacheable = 0; |
641 | 1327 v->not_found = 0; |
1328 v->data = (u_char *) p; | |
1329 | |
1330 return NGX_OK; | |
1331 } | |
1332 | |
1333 | |
1334 static ngx_int_t | |
1335 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1336 ngx_http_variable_value_t *v, uintptr_t data) | |
1337 { | |
1338 u_char *p; | |
1339 ngx_http_core_loc_conf_t *clcf; | |
1340 | |
1341 if (r->keepalive) { | |
1342 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1343 | |
1344 if (clcf->keepalive_header) { | |
1345 | |
2049 | 1346 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1347 if (p == NULL) { |
1348 return NGX_ERROR; | |
1349 } | |
1350 | |
1351 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1352 v->valid = 1; | |
1565 | 1353 v->no_cacheable = 0; |
641 | 1354 v->not_found = 0; |
1355 v->data = p; | |
1356 | |
1357 return NGX_OK; | |
1358 } | |
1359 } | |
1360 | |
1361 v->not_found = 1; | |
1362 | |
1363 return NGX_OK; | |
1364 } | |
1365 | |
1366 | |
1367 static ngx_int_t | |
1368 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1369 ngx_http_variable_value_t *v, uintptr_t data) | |
1370 { | |
1371 if (r->chunked) { | |
1372 v->len = sizeof("chunked") - 1; | |
1373 v->valid = 1; | |
1565 | 1374 v->no_cacheable = 0; |
641 | 1375 v->not_found = 0; |
1376 v->data = (u_char *) "chunked"; | |
1377 | |
1378 } else { | |
1379 v->not_found = 1; | |
1380 } | |
1381 | |
1382 return NGX_OK; | |
1383 } | |
1384 | |
1385 | |
1386 static ngx_int_t | |
629 | 1387 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1388 ngx_http_variable_value_t *v, uintptr_t data) | |
1389 { | |
1390 if (r->request_complete) { | |
1391 v->len = 2; | |
1392 v->valid = 1; | |
1565 | 1393 v->no_cacheable = 0; |
629 | 1394 v->not_found = 0; |
1395 v->data = (u_char *) "OK"; | |
1396 | |
1397 return NGX_OK; | |
1398 } | |
1399 | |
1400 v->len = 0; | |
1401 v->valid = 1; | |
1565 | 1402 v->no_cacheable = 0; |
629 | 1403 v->not_found = 0; |
1404 v->data = (u_char *) ""; | |
1405 | |
1406 return NGX_OK; | |
1407 } | |
1408 | |
1409 | |
759 | 1410 static ngx_int_t |
1411 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
1412 ngx_http_variable_value_t *v, uintptr_t data) | |
1413 { | |
1414 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
|
1415 v->not_found = 1; |
759 | 1416 |
1417 return NGX_OK; | |
1418 } | |
1419 | |
1420 v->len = r->request_body->temp_file->file.name.len; | |
1421 v->valid = 1; | |
1565 | 1422 v->no_cacheable = 0; |
759 | 1423 v->not_found = 0; |
1424 v->data = r->request_body->temp_file->file.name.data; | |
1425 | |
1426 return NGX_OK; | |
1427 } | |
1428 | |
1429 | |
1329 | 1430 static ngx_int_t |
1431 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1432 ngx_http_variable_value_t *v, uintptr_t data) | |
1433 { | |
1434 v->len = sizeof(NGINX_VERSION) - 1; | |
1435 v->valid = 1; | |
1565 | 1436 v->no_cacheable = 0; |
1329 | 1437 v->not_found = 0; |
1438 v->data = (u_char *) NGINX_VERSION; | |
1439 | |
1440 return NGX_OK; | |
1441 } | |
1442 | |
1443 | |
2011 | 1444 static ngx_int_t |
1445 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1446 ngx_http_variable_value_t *v, uintptr_t data) | |
1447 { | |
1448 v->len = ngx_cycle->hostname.len; | |
1449 v->valid = 1; | |
1450 v->no_cacheable = 0; | |
1451 v->not_found = 0; | |
1452 v->data = ngx_cycle->hostname.data; | |
1453 | |
1454 return NGX_OK; | |
1455 } | |
1456 | |
1457 | |
2249 | 1458 static ngx_int_t |
1459 ngx_http_variable_pid(ngx_http_request_t *r, | |
1460 ngx_http_variable_value_t *v, uintptr_t data) | |
1461 { | |
1462 u_char *p; | |
1463 | |
1464 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1465 if (p == NULL) { | |
1466 return NGX_ERROR; | |
1467 } | |
1468 | |
1469 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1470 v->valid = 1; | |
1471 v->no_cacheable = 0; | |
1472 v->not_found = 0; | |
1473 v->data = p; | |
1474 | |
1475 return NGX_OK; | |
1476 } | |
1477 | |
1478 | |
499 | 1479 ngx_int_t |
509 | 1480 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1481 { |
611 | 1482 ngx_int_t rc; |
1483 ngx_http_variable_t *v; | |
501 | 1484 ngx_http_core_main_conf_t *cmcf; |
499 | 1485 |
509 | 1486 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1487 | |
611 | 1488 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1489 sizeof(ngx_hash_keys_arrays_t)); | |
1490 if (cmcf->variables_keys == NULL) { | |
1491 return NGX_ERROR; | |
1492 } | |
1493 | |
1494 cmcf->variables_keys->pool = cf->pool; | |
1495 cmcf->variables_keys->temp_pool = cf->pool; | |
1496 | |
1497 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1498 != NGX_OK) | |
509 | 1499 { |
499 | 1500 return NGX_ERROR; |
1501 } | |
1502 | |
611 | 1503 for (v = ngx_http_core_variables; v->name.len; v++) { |
1504 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1505 NGX_HASH_READONLY_KEY); | |
1506 | |
1507 if (rc == NGX_OK) { | |
1508 continue; | |
499 | 1509 } |
1510 | |
611 | 1511 if (rc == NGX_BUSY) { |
1512 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1513 "conflicting variable name \"%V\"", &v->name); | |
1514 } | |
1515 | |
1516 return NGX_ERROR; | |
499 | 1517 } |
1518 | |
1519 return NGX_OK; | |
1520 } | |
509 | 1521 |
1522 | |
1523 ngx_int_t | |
1524 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1525 { | |
1526 ngx_uint_t i, n; | |
611 | 1527 ngx_hash_key_t *key; |
1528 ngx_hash_init_t hash; | |
509 | 1529 ngx_http_variable_t *v, *av; |
1530 ngx_http_core_main_conf_t *cmcf; | |
1531 | |
1532 /* set the handlers for the indexed http variables */ | |
1533 | |
1534 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1535 | |
1536 v = cmcf->variables.elts; | |
611 | 1537 key = cmcf->variables_keys->keys.elts; |
509 | 1538 |
1539 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1540 | |
611 | 1541 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1542 |
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1543 av = key[n].value; |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1544 |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1545 if (av->get_handler |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1546 && v[i].name.len == key[n].key.len |
611 | 1547 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1548 == 0) |
1549 { | |
637 | 1550 v[i].get_handler = av->get_handler; |
611 | 1551 v[i].data = av->data; |
527 | 1552 |
611 | 1553 av->flags |= NGX_HTTP_VAR_INDEXED; |
1554 v[i].flags = av->flags; | |
509 | 1555 |
611 | 1556 av->index = i; |
533 | 1557 |
509 | 1558 goto next; |
1559 } | |
1560 } | |
1561 | |
1562 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 1563 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 1564 v[i].data = (uintptr_t) &v[i].name; |
1565 | |
1566 continue; | |
1567 } | |
1568 | |
1569 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 1570 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 1571 v[i].data = (uintptr_t) &v[i].name; |
1572 | |
1573 continue; | |
1574 } | |
1575 | |
1162 | 1576 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
1577 v[i].get_handler = ngx_http_upstream_header_variable; | |
1578 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 1579 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 1580 |
1581 continue; | |
1582 } | |
1583 | |
2307 | 1584 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
1585 v[i].get_handler = ngx_http_variable_cookie; | |
1586 v[i].data = (uintptr_t) &v[i].name; | |
1587 | |
1588 continue; | |
1589 } | |
1590 | |
2137 | 1591 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
1592 v[i].get_handler = ngx_http_variable_argument; | |
1593 v[i].data = (uintptr_t) &v[i].name; | |
1594 | |
1595 continue; | |
1596 } | |
1597 | |
509 | 1598 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
1599 "unknown \"%V\" variable", &v[i].name); | |
1600 | |
1601 return NGX_ERROR; | |
1602 | |
1603 next: | |
1604 continue; | |
1605 } | |
1606 | |
1607 | |
611 | 1608 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
1609 av = key[n].value; | |
1610 | |
1611 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
1612 key[n].key.data = NULL; | |
583 | 1613 } |
1614 } | |
1615 | |
1616 | |
611 | 1617 hash.hash = &cmcf->variables_hash; |
1618 hash.key = ngx_hash_key; | |
1619 hash.max_size = cmcf->variables_hash_max_size; | |
1620 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1621 hash.name = "variables_hash"; | |
1622 hash.pool = cf->pool; | |
1623 hash.temp_pool = NULL; | |
509 | 1624 |
611 | 1625 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
1626 cmcf->variables_keys->keys.nelts) | |
581 | 1627 != NGX_OK) |
509 | 1628 { |
1629 return NGX_ERROR; | |
1630 } | |
1631 | |
611 | 1632 cmcf->variables_keys = NULL; |
509 | 1633 |
1634 return NGX_OK; | |
1635 } |