Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2391:d88e757cc7d8
delete surplus upstream.schema field
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 10 Dec 2008 14:44:48 +0000 |
parents | 4fee4ebbfb0b |
children | d311b7f6a403 |
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); | |
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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29 ngx_http_variable_value_t *v, uintptr_t data); |
2137 | 30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
31 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 32 |
573 | 33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
34 ngx_http_variable_value_t *v, uintptr_t data); | |
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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36 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
40 ngx_http_variable_value_t *v, uintptr_t data); | |
41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
44 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
46 ngx_http_variable_value_t *v, uintptr_t data); | |
1351 | 47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
48 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
50 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 51 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
52 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 53 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
54 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 55 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
56 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 57 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
58 ngx_http_variable_value_t *v, uintptr_t data); | |
59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
60 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
62 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
64 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 65 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
66 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 67 |
641 | 68 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
69 ngx_http_variable_value_t *v, uintptr_t data); | |
70 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
71 ngx_http_variable_value_t *v, uintptr_t data); | |
72 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
73 ngx_http_variable_value_t *v, uintptr_t data); | |
74 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
75 ngx_http_variable_value_t *v, uintptr_t data); | |
76 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
77 ngx_http_variable_value_t *v, uintptr_t data); | |
78 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
79 ngx_http_variable_value_t *v, uintptr_t data); | |
80 | |
1329 | 81 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
82 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 83 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
84 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 85 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
86 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 87 |
509 | 88 /* |
89 * TODO: | |
90 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
91 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
92 * SERVER_SOFTWARE | |
93 * | |
571 | 94 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 95 */ |
499 | 96 |
641 | 97 /* |
98 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
99 * and $http_x_forwarded_for variables may be handled by generic | |
100 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
101 * they are handled using dedicated entries | |
102 */ | |
103 | |
509 | 104 static ngx_http_variable_t ngx_http_core_variables[] = { |
105 | |
637 | 106 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 107 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 108 |
637 | 109 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 110 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 111 |
637 | 112 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 113 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 114 |
115 #if (NGX_HTTP_GZIP) | |
637 | 116 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 117 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 118 #endif |
119 | |
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120 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
637 | 121 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 122 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 123 #endif |
124 | |
637 | 125 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 126 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 127 |
637 | 128 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 129 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 130 |
637 | 131 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 132 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 133 |
637 | 134 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 135 |
982 | 136 { ngx_string("binary_remote_addr"), NULL, |
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137 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 138 |
637 | 139 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 140 |
637 | 141 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 142 |
637 | 143 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 144 |
637 | 145 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 146 |
637 | 147 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 148 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 149 |
731 | 150 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
151 | |
637 | 152 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 153 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 154 |
637 | 155 { ngx_string("uri"), NULL, ngx_http_variable_request, |
156 offsetof(ngx_http_request_t, uri), | |
1565 | 157 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 158 |
159 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 160 offsetof(ngx_http_request_t, uri), |
1565 | 161 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 162 |
637 | 163 { ngx_string("request"), NULL, ngx_http_variable_request, |
569 | 164 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
165 | |
637 | 166 { ngx_string("document_root"), NULL, |
1565 | 167 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 168 |
2259 | 169 { ngx_string("realpath_root"), NULL, |
170 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
171 | |
637 | 172 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 173 offsetof(ngx_http_request_t, args), |
1565 | 174 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 175 |
1350 | 176 { ngx_string("args"), |
177 ngx_http_variable_request_set, | |
178 ngx_http_variable_request, | |
589 | 179 offsetof(ngx_http_request_t, args), |
1565 | 180 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 181 |
1351 | 182 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 183 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 184 |
637 | 185 { ngx_string("request_filename"), NULL, |
186 ngx_http_variable_request_filename, 0, | |
1565 | 187 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 188 |
1811 | 189 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 190 |
637 | 191 { ngx_string("request_method"), NULL, |
192 ngx_http_variable_request_method, 0, 0, 0 }, | |
509 | 193 |
637 | 194 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 195 |
637 | 196 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 197 0, 0, 0 }, |
198 | |
637 | 199 { ngx_string("request_completion"), NULL, |
200 ngx_http_variable_request_completion, | |
629 | 201 0, 0, 0 }, |
202 | |
759 | 203 { ngx_string("request_body_file"), NULL, |
204 ngx_http_variable_request_body_file, | |
205 0, 0, 0 }, | |
206 | |
641 | 207 { ngx_string("sent_http_content_type"), NULL, |
208 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
209 | |
210 { ngx_string("sent_http_content_length"), NULL, | |
211 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
212 | |
213 { ngx_string("sent_http_last_modified"), NULL, | |
214 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
215 | |
216 { ngx_string("sent_http_connection"), NULL, | |
217 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
218 | |
219 { ngx_string("sent_http_keep_alive"), NULL, | |
220 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
221 | |
222 { ngx_string("sent_http_transfer_encoding"), NULL, | |
223 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
224 | |
225 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
226 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
227 | |
637 | 228 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
229 ngx_http_variable_request, | |
230 offsetof(ngx_http_request_t, limit_rate), | |
1565 | 231 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 232 |
1329 | 233 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
234 0, 0, 0 }, | |
235 | |
2011 | 236 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
237 0, 0, 0 }, | |
238 | |
2249 | 239 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
240 0, 0, 0 }, | |
241 | |
637 | 242 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 243 }; |
244 | |
245 | |
577 | 246 ngx_http_variable_value_t ngx_http_variable_null_value = |
247 ngx_http_variable(""); | |
248 ngx_http_variable_value_t ngx_http_variable_true_value = | |
249 ngx_http_variable("1"); | |
250 | |
251 | |
499 | 252 ngx_http_variable_t * |
509 | 253 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
254 { | |
611 | 255 ngx_int_t rc; |
509 | 256 ngx_uint_t i; |
611 | 257 ngx_hash_key_t *key; |
509 | 258 ngx_http_variable_t *v; |
259 ngx_http_core_main_conf_t *cmcf; | |
260 | |
261 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
262 | |
611 | 263 key = cmcf->variables_keys->keys.elts; |
264 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
265 if (name->len != key[i].key.len | |
266 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 267 { |
268 continue; | |
269 } | |
270 | |
611 | 271 v = key[i].value; |
272 | |
1565 | 273 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 274 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
275 "the duplicate \"%V\" variable", name); | |
276 return NULL; | |
277 } | |
278 | |
611 | 279 return v; |
509 | 280 } |
281 | |
611 | 282 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 283 if (v == NULL) { |
284 return NULL; | |
285 } | |
286 | |
287 v->name.len = name->len; | |
2049 | 288 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 289 if (v->name.data == NULL) { |
290 return NULL; | |
291 } | |
292 | |
2135 | 293 ngx_strlow(v->name.data, name->data, name->len); |
509 | 294 |
637 | 295 v->set_handler = NULL; |
296 v->get_handler = NULL; | |
509 | 297 v->data = 0; |
298 v->flags = flags; | |
533 | 299 v->index = 0; |
509 | 300 |
611 | 301 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
302 | |
303 if (rc == NGX_ERROR) { | |
304 return NULL; | |
305 } | |
306 | |
307 if (rc == NGX_BUSY) { | |
308 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
309 "conflicting variable name \"%V\"", name); | |
310 return NULL; | |
311 } | |
312 | |
509 | 313 return v; |
314 } | |
315 | |
316 | |
317 ngx_int_t | |
318 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 319 { |
501 | 320 ngx_uint_t i; |
321 ngx_http_variable_t *v; | |
499 | 322 ngx_http_core_main_conf_t *cmcf; |
323 | |
324 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
325 | |
501 | 326 v = cmcf->variables.elts; |
327 | |
328 if (v == NULL) { | |
499 | 329 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
330 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
331 { | |
509 | 332 return NGX_ERROR; |
499 | 333 } |
501 | 334 |
335 } else { | |
336 for (i = 0; i < cmcf->variables.nelts; i++) { | |
337 if (name->len != v[i].name.len | |
338 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
339 { | |
340 continue; | |
341 } | |
342 | |
509 | 343 return i; |
501 | 344 } |
499 | 345 } |
346 | |
501 | 347 v = ngx_array_push(&cmcf->variables); |
348 if (v == NULL) { | |
509 | 349 return NGX_ERROR; |
499 | 350 } |
351 | |
501 | 352 v->name.len = name->len; |
2049 | 353 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 354 if (v->name.data == NULL) { |
509 | 355 return NGX_ERROR; |
501 | 356 } |
499 | 357 |
2135 | 358 ngx_strlow(v->name.data, name->data, name->len); |
501 | 359 |
637 | 360 v->set_handler = NULL; |
361 v->get_handler = NULL; | |
501 | 362 v->data = 0; |
509 | 363 v->flags = 0; |
533 | 364 v->index = cmcf->variables.nelts - 1; |
501 | 365 |
509 | 366 return cmcf->variables.nelts - 1; |
499 | 367 } |
368 | |
369 | |
370 ngx_http_variable_value_t * | |
371 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
372 { | |
501 | 373 ngx_http_variable_t *v; |
499 | 374 ngx_http_core_main_conf_t *cmcf; |
375 | |
376 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
377 | |
553 | 378 if (cmcf->variables.nelts <= index) { |
499 | 379 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
380 "unknown variable index: %d", index); | |
381 return NULL; | |
382 } | |
383 | |
573 | 384 if (r->variables[index].not_found || r->variables[index].valid) { |
385 return &r->variables[index]; | |
501 | 386 } |
499 | 387 |
501 | 388 v = cmcf->variables.elts; |
499 | 389 |
637 | 390 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
391 == NGX_OK) | |
392 { | |
1565 | 393 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
394 r->variables[index].no_cacheable = 1; | |
499 | 395 } |
573 | 396 |
397 return &r->variables[index]; | |
499 | 398 } |
399 | |
657 | 400 r->variables[index].valid = 0; |
401 r->variables[index].not_found = 1; | |
402 | |
798 | 403 return NULL; |
573 | 404 } |
405 | |
406 | |
407 ngx_http_variable_value_t * | |
408 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
409 { | |
1150 | 410 ngx_http_variable_value_t *v; |
573 | 411 |
412 v = &r->variables[index]; | |
413 | |
414 if (v->valid) { | |
1565 | 415 if (!v->no_cacheable) { |
573 | 416 return v; |
417 } | |
418 | |
419 v->valid = 0; | |
420 v->not_found = 0; | |
509 | 421 } |
501 | 422 |
573 | 423 return ngx_http_get_indexed_variable(r, index); |
499 | 424 } |
425 | |
426 | |
427 ngx_http_variable_value_t * | |
635 | 428 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
429 ngx_uint_t nowarn) | |
499 | 430 { |
501 | 431 ngx_http_variable_t *v; |
573 | 432 ngx_http_variable_value_t *vv; |
499 | 433 ngx_http_core_main_conf_t *cmcf; |
434 | |
435 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
436 | |
611 | 437 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 438 |
611 | 439 if (v) { |
440 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
441 return ngx_http_get_indexed_variable(r, v->index); | |
519 | 442 |
443 } else { | |
499 | 444 |
573 | 445 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 446 |
637 | 447 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 448 return vv; |
449 } | |
509 | 450 |
573 | 451 return NULL; |
452 } | |
509 | 453 } |
454 | |
455 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
456 if (vv == NULL) { | |
457 return NULL; | |
458 } | |
459 | |
573 | 460 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 461 |
577 | 462 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
463 == NGX_OK) | |
464 { | |
465 return vv; | |
466 } | |
467 | |
468 return NULL; | |
469 } | |
470 | |
471 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
472 | |
473 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
474 == NGX_OK) | |
573 | 475 { |
476 return vv; | |
477 } | |
499 | 478 |
479 return NULL; | |
480 } | |
481 | |
1162 | 482 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
483 | |
484 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
485 == NGX_OK) | |
486 { | |
487 return vv; | |
488 } | |
489 | |
490 return NULL; | |
491 } | |
492 | |
2307 | 493 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
494 | |
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495 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
2307 | 496 return vv; |
497 } | |
498 | |
499 return NULL; | |
500 } | |
501 | |
2137 | 502 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
503 | |
504 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
505 return vv; | |
506 } | |
507 | |
508 return NULL; | |
509 } | |
510 | |
635 | 511 vv->not_found = 1; |
573 | 512 |
635 | 513 if (nowarn == 0) { |
514 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
515 "unknown \"%V\" variable", name); | |
516 } | |
499 | 517 |
501 | 518 return vv; |
499 | 519 } |
520 | |
521 | |
573 | 522 static ngx_int_t |
523 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
524 uintptr_t data) | |
525 { | |
526 ngx_str_t *s; | |
527 | |
528 s = (ngx_str_t *) ((char *) r + data); | |
529 | |
530 if (s->data) { | |
531 v->len = s->len; | |
532 v->valid = 1; | |
1565 | 533 v->no_cacheable = 0; |
573 | 534 v->not_found = 0; |
535 v->data = s->data; | |
536 | |
537 } else { | |
538 v->not_found = 1; | |
539 } | |
540 | |
541 return NGX_OK; | |
542 } | |
543 | |
544 | |
637 | 545 static void |
1350 | 546 ngx_http_variable_request_set(ngx_http_request_t *r, |
547 ngx_http_variable_value_t *v, uintptr_t data) | |
548 { | |
549 ngx_str_t *s; | |
550 | |
551 s = (ngx_str_t *) ((char *) r + data); | |
552 | |
553 s->len = v->len; | |
554 s->data = v->data; | |
555 } | |
556 | |
557 | |
558 static void | |
637 | 559 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
560 ngx_http_variable_value_t *v, uintptr_t data) | |
561 { | |
562 ssize_t s, *sp; | |
563 ngx_str_t val; | |
564 | |
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565 val.len = v->len; |
637 | 566 val.data = v->data; |
567 | |
568 s = ngx_parse_size(&val); | |
569 | |
570 if (s == NGX_ERROR) { | |
571 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
572 "invalid size \"%V\"", &val); | |
573 return; | |
574 } | |
575 | |
576 sp = (ssize_t *) ((char *) r + data); | |
577 | |
578 *sp = s; | |
579 | |
580 return; | |
581 } | |
582 | |
583 | |
573 | 584 static ngx_int_t |
585 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
586 uintptr_t data) | |
515 | 587 { |
573 | 588 ngx_table_elt_t *h; |
589 | |
590 h = *(ngx_table_elt_t **) ((char *) r + data); | |
591 | |
592 if (h) { | |
593 v->len = h->value.len; | |
594 v->valid = 1; | |
1565 | 595 v->no_cacheable = 0; |
573 | 596 v->not_found = 0; |
597 v->data = h->value.data; | |
598 | |
599 } else { | |
600 v->not_found = 1; | |
601 } | |
602 | |
603 return NGX_OK; | |
604 } | |
605 | |
606 | |
607 static ngx_int_t | |
608 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
609 uintptr_t data) | |
610 { | |
667 | 611 ssize_t len; |
573 | 612 u_char *p; |
667 | 613 ngx_uint_t i, n; |
573 | 614 ngx_array_t *a; |
615 ngx_table_elt_t **h; | |
515 | 616 |
617 a = (ngx_array_t *) ((char *) r + data); | |
618 | |
667 | 619 n = a->nelts; |
620 | |
621 if (n == 0) { | |
573 | 622 v->not_found = 1; |
623 return NGX_OK; | |
515 | 624 } |
625 | |
573 | 626 v->valid = 1; |
1565 | 627 v->no_cacheable = 0; |
573 | 628 v->not_found = 0; |
515 | 629 |
630 h = a->elts; | |
631 | |
667 | 632 if (n == 1) { |
573 | 633 v->len = (*h)->value.len; |
634 v->data = (*h)->value.data; | |
515 | 635 |
573 | 636 return NGX_OK; |
515 | 637 } |
638 | |
667 | 639 len = - (ssize_t) (sizeof("; ") - 1); |
573 | 640 |
667 | 641 for (i = 0; i < n; i++) { |
573 | 642 len += h[i]->value.len + sizeof("; ") - 1; |
515 | 643 } |
644 | |
2049 | 645 p = ngx_pnalloc(r->pool, len); |
573 | 646 if (p == NULL) { |
647 return NGX_ERROR; | |
648 } | |
649 | |
650 v->len = len; | |
651 v->data = p; | |
515 | 652 |
653 for (i = 0; /* void */ ; i++) { | |
573 | 654 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 655 |
667 | 656 if (i == n - 1) { |
515 | 657 break; |
658 } | |
659 | |
660 *p++ = ';'; *p++ = ' '; | |
661 } | |
662 | |
573 | 663 return NGX_OK; |
515 | 664 } |
665 | |
666 | |
573 | 667 static ngx_int_t |
577 | 668 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
669 ngx_http_variable_value_t *v, uintptr_t data) | |
670 { | |
671 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
672 &r->headers_in.headers.part, | |
673 sizeof("http_") - 1); | |
674 } | |
675 | |
676 | |
677 static ngx_int_t | |
678 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 679 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 680 { |
577 | 681 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
682 &r->headers_out.headers.part, | |
683 sizeof("sent_http_") - 1); | |
684 } | |
501 | 685 |
577 | 686 |
1162 | 687 ngx_int_t |
577 | 688 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
689 ngx_list_part_t *part, size_t prefix) | |
690 { | |
573 | 691 u_char ch; |
692 ngx_uint_t i, n; | |
693 ngx_table_elt_t *header; | |
499 | 694 |
695 header = part->elts; | |
696 | |
697 for (i = 0; /* void */ ; i++) { | |
698 | |
699 if (i >= part->nelts) { | |
700 if (part->next == NULL) { | |
701 break; | |
702 } | |
703 | |
704 part = part->next; | |
705 header = part->elts; | |
706 i = 0; | |
707 } | |
708 | |
577 | 709 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 710 ch = header[i].key.data[n]; |
711 | |
509 | 712 if (ch >= 'A' && ch <= 'Z') { |
713 ch |= 0x20; | |
499 | 714 |
715 } else if (ch == '-') { | |
716 ch = '_'; | |
717 } | |
718 | |
577 | 719 if (var->data[n + prefix] != ch) { |
499 | 720 break; |
721 } | |
722 } | |
723 | |
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724 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 725 v->len = header[i].value.len; |
726 v->valid = 1; | |
1565 | 727 v->no_cacheable = 0; |
573 | 728 v->not_found = 0; |
729 v->data = header[i].value.data; | |
499 | 730 |
573 | 731 return NGX_OK; |
499 | 732 } |
733 } | |
734 | |
573 | 735 v->not_found = 1; |
736 | |
737 return NGX_OK; | |
509 | 738 } |
739 | |
740 | |
573 | 741 static ngx_int_t |
2307 | 742 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
743 uintptr_t data) | |
744 { | |
745 ngx_str_t *name = (ngx_str_t *) data; | |
746 | |
747 ngx_str_t cookie, s; | |
748 | |
749 s.len = name->len - (sizeof("cookie_") - 1); | |
750 s.data = name->data + sizeof("cookie_") - 1; | |
751 | |
752 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
753 == NGX_DECLINED) | |
754 { | |
755 v->not_found = 1; | |
756 return NGX_OK; | |
757 } | |
758 | |
759 v->len = cookie.len; | |
760 v->valid = 1; | |
761 v->no_cacheable = 0; | |
762 v->not_found = 0; | |
763 v->data = cookie.data; | |
764 | |
765 return NGX_OK; | |
766 } | |
767 | |
768 | |
769 static ngx_int_t | |
2137 | 770 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
771 uintptr_t data) | |
772 { | |
773 ngx_str_t *name = (ngx_str_t *) data; | |
774 | |
775 u_char *p, *arg; | |
776 size_t len; | |
777 | |
778 if (r->args.len == 0) { | |
779 v->not_found = 1; | |
780 return NGX_OK; | |
781 } | |
782 | |
783 len = name->len - 1 - (sizeof("arg_") - 1); | |
784 arg = name->data + sizeof("arg_") - 1; | |
785 | |
786 for (p = r->args.data; *p && *p != ' '; p++) { | |
787 | |
788 /* | |
789 * although r->args.data is not null-terminated by itself, | |
790 * however, there is null in the end of request line | |
791 */ | |
792 | |
793 p = ngx_strcasestrn(p, (char *) arg, len); | |
794 | |
795 if (p == NULL) { | |
796 v->not_found = 1; | |
797 return NGX_OK; | |
798 } | |
799 | |
800 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
801 | |
802 v->data = p + len + 2; | |
803 | |
804 p = (u_char *) ngx_strchr(p, '&'); | |
805 | |
806 if (p == NULL) { | |
807 p = r->args.data + r->args.len; | |
808 } | |
809 | |
810 v->len = p - v->data; | |
811 v->valid = 1; | |
812 v->no_cacheable = 0; | |
813 v->not_found = 0; | |
814 | |
815 return NGX_OK; | |
816 } | |
817 } | |
818 | |
819 v->not_found = 1; | |
820 | |
821 return NGX_OK; | |
822 } | |
823 | |
824 | |
825 static ngx_int_t | |
573 | 826 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
827 uintptr_t data) | |
509 | 828 { |
1811 | 829 ngx_http_core_srv_conf_t *cscf; |
830 | |
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831 if (r->headers_in.server.len) { |
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832 v->len = r->headers_in.server.len; |
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833 v->data = r->headers_in.server.data; |
928
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834 |
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835 } else { |
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836 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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837 |
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838 v->len = cscf->server_name.len; |
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839 v->data = cscf->server_name.data; |
509 | 840 } |
841 | |
573 | 842 v->valid = 1; |
1565 | 843 v->no_cacheable = 0; |
573 | 844 v->not_found = 0; |
509 | 845 |
573 | 846 return NGX_OK; |
499 | 847 } |
848 | |
849 | |
573 | 850 static ngx_int_t |
983
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851 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 852 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 853 { |
982 | 854 struct sockaddr_in *sin; |
855 | |
983
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856 /* AF_INET only */ |
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857 |
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858 sin = (struct sockaddr_in *) r->connection->sockaddr; |
982 | 859 |
983
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860 v->len = sizeof(in_addr_t); |
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861 v->valid = 1; |
1565 | 862 v->no_cacheable = 0; |
983
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863 v->not_found = 0; |
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864 v->data = (u_char *) &sin->sin_addr.s_addr; |
982 | 865 |
983
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866 return NGX_OK; |
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867 } |
982 | 868 |
869 | |
983
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870 static ngx_int_t |
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871 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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872 ngx_http_variable_value_t *v, uintptr_t data) |
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873 { |
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874 v->len = r->connection->addr_text.len; |
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875 v->valid = 1; |
1565 | 876 v->no_cacheable = 0; |
983
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877 v->not_found = 0; |
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878 v->data = r->connection->addr_text.data; |
499 | 879 |
573 | 880 return NGX_OK; |
499 | 881 } |
882 | |
883 | |
573 | 884 static ngx_int_t |
885 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
886 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 887 { |
573 | 888 ngx_uint_t port; |
889 struct sockaddr_in *sin; | |
509 | 890 |
573 | 891 v->len = 0; |
892 v->valid = 1; | |
1565 | 893 v->no_cacheable = 0; |
573 | 894 v->not_found = 0; |
509 | 895 |
2049 | 896 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 897 if (v->data == NULL) { |
898 return NGX_ERROR; | |
509 | 899 } |
900 | |
901 /* AF_INET only */ | |
577 | 902 |
509 | 903 if (r->connection->sockaddr->sa_family == AF_INET) { |
904 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
577 | 905 |
509 | 906 port = ntohs(sin->sin_port); |
577 | 907 |
509 | 908 if (port > 0 && port < 65536) { |
573 | 909 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 910 } |
911 } | |
912 | |
573 | 913 return NGX_OK; |
509 | 914 } |
915 | |
916 | |
573 | 917 static ngx_int_t |
918 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
919 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 920 { |
1805 | 921 ngx_str_t s; |
499 | 922 |
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923 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
1805 | 924 if (s.data == NULL) { |
573 | 925 return NGX_ERROR; |
509 | 926 } |
927 | |
1805 | 928 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
929 return NGX_ERROR; | |
509 | 930 } |
931 | |
1805 | 932 v->len = s.len; |
573 | 933 v->valid = 1; |
1565 | 934 v->no_cacheable = 0; |
573 | 935 v->not_found = 0; |
1805 | 936 v->data = s.data; |
499 | 937 |
573 | 938 return NGX_OK; |
499 | 939 } |
940 | |
941 | |
573 | 942 static ngx_int_t |
943 ngx_http_variable_server_port(ngx_http_request_t *r, | |
944 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 945 { |
573 | 946 v->len = r->port_text->len - 1; |
947 v->valid = 1; | |
1565 | 948 v->no_cacheable = 0; |
573 | 949 v->not_found = 0; |
950 v->data = r->port_text->data + 1; | |
509 | 951 |
573 | 952 return NGX_OK; |
509 | 953 } |
954 | |
955 | |
573 | 956 static ngx_int_t |
731 | 957 ngx_http_variable_scheme(ngx_http_request_t *r, |
958 ngx_http_variable_value_t *v, uintptr_t data) | |
959 { | |
960 #if (NGX_HTTP_SSL) | |
961 | |
962 if (r->connection->ssl) { | |
963 v->len = sizeof("https") - 1; | |
964 v->valid = 1; | |
1565 | 965 v->no_cacheable = 0; |
731 | 966 v->not_found = 0; |
732 | 967 v->data = (u_char *) "https"; |
731 | 968 |
969 return NGX_OK; | |
970 } | |
971 | |
972 #endif | |
973 | |
974 v->len = sizeof("http") - 1; | |
975 v->valid = 1; | |
1565 | 976 v->no_cacheable = 0; |
731 | 977 v->not_found = 0; |
732 | 978 v->data = (u_char *) "http"; |
731 | 979 |
980 return NGX_OK; | |
981 } | |
982 | |
983 | |
984 static ngx_int_t | |
1351 | 985 ngx_http_variable_is_args(ngx_http_request_t *r, |
986 ngx_http_variable_value_t *v, uintptr_t data) | |
987 { | |
988 v->valid = 1; | |
1565 | 989 v->no_cacheable = 0; |
1351 | 990 v->not_found = 0; |
991 | |
992 if (r->args.len == 0) { | |
993 v->len = 0; | |
994 v->data = NULL; | |
995 return NGX_OK; | |
996 } | |
997 | |
998 v->len = 1; | |
999 v->data = (u_char *) "?"; | |
1000 | |
1001 return NGX_OK; | |
1002 } | |
1003 | |
1004 | |
1005 static ngx_int_t | |
573 | 1006 ngx_http_variable_document_root(ngx_http_request_t *r, |
1007 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1008 { |
671 | 1009 ngx_str_t path; |
573 | 1010 ngx_http_core_loc_conf_t *clcf; |
509 | 1011 |
1012 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1013 | |
671 | 1014 if (clcf->root_lengths == NULL) { |
1015 v->len = clcf->root.len; | |
1016 v->valid = 1; | |
1565 | 1017 v->no_cacheable = 0; |
671 | 1018 v->not_found = 0; |
1019 v->data = clcf->root.data; | |
1020 | |
1021 } else { | |
1022 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1023 clcf->root_values->elts) | |
1024 == NULL) | |
1025 { | |
1026 return NGX_ERROR; | |
1027 } | |
1028 | |
1352 | 1029 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
1030 == NGX_ERROR) | |
1031 { | |
671 | 1032 return NGX_ERROR; |
1033 } | |
1034 | |
1035 v->len = path.len; | |
1036 v->valid = 1; | |
1565 | 1037 v->no_cacheable = 0; |
671 | 1038 v->not_found = 0; |
1039 v->data = path.data; | |
1040 } | |
509 | 1041 |
573 | 1042 return NGX_OK; |
509 | 1043 } |
1044 | |
1045 | |
573 | 1046 static ngx_int_t |
2259 | 1047 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1048 ngx_http_variable_value_t *v, uintptr_t data) | |
1049 { | |
1050 size_t len; | |
1051 ngx_str_t path; | |
1052 ngx_http_core_loc_conf_t *clcf; | |
1053 u_char real[NGX_MAX_PATH]; | |
1054 | |
1055 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1056 | |
1057 if (clcf->root_lengths == NULL) { | |
1058 path = clcf->root; | |
1059 | |
1060 } else { | |
1061 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1062 clcf->root_values->elts) | |
1063 == NULL) | |
1064 { | |
1065 return NGX_ERROR; | |
1066 } | |
1067 | |
1068 path.data[path.len - 1] = '\0'; | |
1069 | |
1070 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
1071 == NGX_ERROR) | |
1072 { | |
1073 return NGX_ERROR; | |
1074 } | |
1075 } | |
1076 | |
1077 if (ngx_realpath(path.data, real) == NULL) { | |
1078 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1079 ngx_realpath_n " \"%s\" failed", path.data); | |
1080 return NGX_ERROR; | |
1081 } | |
1082 | |
1083 len = ngx_strlen(real); | |
1084 | |
1085 v->data = ngx_pnalloc(r->pool, len); | |
1086 if (v->data == NULL) { | |
1087 return NGX_ERROR; | |
1088 } | |
1089 | |
1090 v->len = len; | |
1091 v->valid = 1; | |
1092 v->no_cacheable = 0; | |
1093 v->not_found = 0; | |
1094 | |
1095 ngx_memcpy(v->data, real, len); | |
1096 | |
1097 return NGX_OK; | |
1098 } | |
1099 | |
1100 | |
1101 static ngx_int_t | |
573 | 1102 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1103 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1104 { |
773 | 1105 size_t root; |
573 | 1106 ngx_str_t path; |
499 | 1107 |
773 | 1108 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1109 return NGX_ERROR; |
557 | 1110 } |
509 | 1111 |
557 | 1112 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1113 |
573 | 1114 v->len = path.len - 1; |
1115 v->valid = 1; | |
1565 | 1116 v->no_cacheable = 0; |
573 | 1117 v->not_found = 0; |
1118 v->data = path.data; | |
499 | 1119 |
573 | 1120 return NGX_OK; |
499 | 1121 } |
1122 | |
1123 | |
573 | 1124 static ngx_int_t |
1811 | 1125 ngx_http_variable_server_name(ngx_http_request_t *r, |
1126 ngx_http_variable_value_t *v, uintptr_t data) | |
1127 { | |
1128 ngx_http_core_srv_conf_t *cscf; | |
1129 | |
1130 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1131 | |
1132 v->len = cscf->server_name.len; | |
1133 v->valid = 1; | |
1134 v->no_cacheable = 0; | |
1135 v->not_found = 0; | |
1136 v->data = cscf->server_name.data; | |
1137 | |
1138 return NGX_OK; | |
1139 } | |
1140 | |
1141 | |
1142 static ngx_int_t | |
573 | 1143 ngx_http_variable_request_method(ngx_http_request_t *r, |
1144 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1145 { |
647 | 1146 if (r->main->method_name.data) { |
1147 v->len = r->main->method_name.len; | |
573 | 1148 v->valid = 1; |
1565 | 1149 v->no_cacheable = 0; |
573 | 1150 v->not_found = 0; |
647 | 1151 v->data = r->main->method_name.data; |
573 | 1152 |
1153 } else { | |
1154 v->not_found = 1; | |
561 | 1155 } |
1156 | |
573 | 1157 return NGX_OK; |
561 | 1158 } |
1159 | |
1160 | |
573 | 1161 static ngx_int_t |
1162 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1163 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1164 { |
573 | 1165 ngx_int_t rc; |
539 | 1166 |
1167 rc = ngx_http_auth_basic_user(r); | |
1168 | |
1169 if (rc == NGX_DECLINED) { | |
573 | 1170 v->not_found = 1; |
1171 return NGX_OK; | |
539 | 1172 } |
1173 | |
1174 if (rc == NGX_ERROR) { | |
573 | 1175 return NGX_ERROR; |
539 | 1176 } |
1177 | |
573 | 1178 v->len = r->headers_in.user.len; |
1179 v->valid = 1; | |
1565 | 1180 v->no_cacheable = 0; |
573 | 1181 v->not_found = 0; |
1182 v->data = r->headers_in.user.data; | |
571 | 1183 |
573 | 1184 return NGX_OK; |
571 | 1185 } |
1186 | |
1187 | |
611 | 1188 static ngx_int_t |
1189 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1190 ngx_http_variable_value_t *v, uintptr_t data) | |
1191 { | |
1192 off_t sent; | |
1193 u_char *p; | |
1194 | |
1195 sent = r->connection->sent - r->header_size; | |
1196 | |
1197 if (sent < 0) { | |
1198 sent = 0; | |
1199 } | |
1200 | |
2049 | 1201 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1202 if (p == NULL) { |
1203 return NGX_ERROR; | |
1204 } | |
1205 | |
1206 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1207 v->valid = 1; | |
1565 | 1208 v->no_cacheable = 0; |
611 | 1209 v->not_found = 0; |
1210 v->data = p; | |
1211 | |
1212 return NGX_OK; | |
1213 } | |
1214 | |
1215 | |
629 | 1216 static ngx_int_t |
641 | 1217 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1218 ngx_http_variable_value_t *v, uintptr_t data) | |
1219 { | |
1220 if (r->headers_out.content_type.len) { | |
1221 v->len = r->headers_out.content_type.len; | |
1222 v->valid = 1; | |
1565 | 1223 v->no_cacheable = 0; |
641 | 1224 v->not_found = 0; |
1225 v->data = r->headers_out.content_type.data; | |
1226 | |
1227 } else { | |
1228 v->not_found = 1; | |
1229 } | |
1230 | |
1231 return NGX_OK; | |
1232 } | |
1233 | |
1234 | |
1235 static ngx_int_t | |
1236 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1237 ngx_http_variable_value_t *v, uintptr_t data) | |
1238 { | |
1239 u_char *p; | |
1240 | |
1241 if (r->headers_out.content_length) { | |
1242 v->len = r->headers_out.content_length->value.len; | |
1243 v->valid = 1; | |
1565 | 1244 v->no_cacheable = 0; |
641 | 1245 v->not_found = 0; |
1246 v->data = r->headers_out.content_length->value.data; | |
1247 | |
1248 return NGX_OK; | |
1249 } | |
1250 | |
1251 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1252 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1253 if (p == NULL) { |
1254 return NGX_ERROR; | |
1255 } | |
1256 | |
1257 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1258 v->valid = 1; | |
1565 | 1259 v->no_cacheable = 0; |
641 | 1260 v->not_found = 0; |
1261 v->data = p; | |
1262 | |
1263 return NGX_OK; | |
1264 } | |
1265 | |
1266 v->not_found = 1; | |
1267 | |
1268 return NGX_OK; | |
1269 } | |
1270 | |
1271 | |
1272 static ngx_int_t | |
1273 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
1274 ngx_http_variable_value_t *v, uintptr_t data) | |
1275 { | |
1276 u_char *p; | |
1277 | |
1278 if (r->headers_out.last_modified) { | |
1279 v->len = r->headers_out.last_modified->value.len; | |
1280 v->valid = 1; | |
1565 | 1281 v->no_cacheable = 0; |
641 | 1282 v->not_found = 0; |
1283 v->data = r->headers_out.last_modified->value.data; | |
1284 | |
1285 return NGX_OK; | |
1286 } | |
1287 | |
1288 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1289 p = ngx_pnalloc(r->pool, |
641 | 1290 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1291 if (p == NULL) { | |
1292 return NGX_ERROR; | |
1293 } | |
1294 | |
1295 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1296 v->valid = 1; | |
1565 | 1297 v->no_cacheable = 0; |
641 | 1298 v->not_found = 0; |
1299 v->data = p; | |
1300 | |
1301 return NGX_OK; | |
1302 } | |
1303 | |
1304 v->not_found = 1; | |
1305 | |
1306 return NGX_OK; | |
1307 } | |
1308 | |
1309 | |
1310 static ngx_int_t | |
1311 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1312 ngx_http_variable_value_t *v, uintptr_t data) | |
1313 { | |
1314 size_t len; | |
1315 char *p; | |
1316 | |
1317 if (r->keepalive) { | |
1318 len = sizeof("keep-alive") - 1; | |
1319 p = "keep-alive"; | |
1320 | |
1321 } else { | |
1322 len = sizeof("close") - 1; | |
1323 p = "close"; | |
1324 } | |
1325 | |
1326 v->len = len; | |
1327 v->valid = 1; | |
1565 | 1328 v->no_cacheable = 0; |
641 | 1329 v->not_found = 0; |
1330 v->data = (u_char *) p; | |
1331 | |
1332 return NGX_OK; | |
1333 } | |
1334 | |
1335 | |
1336 static ngx_int_t | |
1337 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1338 ngx_http_variable_value_t *v, uintptr_t data) | |
1339 { | |
1340 u_char *p; | |
1341 ngx_http_core_loc_conf_t *clcf; | |
1342 | |
1343 if (r->keepalive) { | |
1344 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1345 | |
1346 if (clcf->keepalive_header) { | |
1347 | |
2049 | 1348 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1349 if (p == NULL) { |
1350 return NGX_ERROR; | |
1351 } | |
1352 | |
1353 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1354 v->valid = 1; | |
1565 | 1355 v->no_cacheable = 0; |
641 | 1356 v->not_found = 0; |
1357 v->data = p; | |
1358 | |
1359 return NGX_OK; | |
1360 } | |
1361 } | |
1362 | |
1363 v->not_found = 1; | |
1364 | |
1365 return NGX_OK; | |
1366 } | |
1367 | |
1368 | |
1369 static ngx_int_t | |
1370 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1371 ngx_http_variable_value_t *v, uintptr_t data) | |
1372 { | |
1373 if (r->chunked) { | |
1374 v->len = sizeof("chunked") - 1; | |
1375 v->valid = 1; | |
1565 | 1376 v->no_cacheable = 0; |
641 | 1377 v->not_found = 0; |
1378 v->data = (u_char *) "chunked"; | |
1379 | |
1380 } else { | |
1381 v->not_found = 1; | |
1382 } | |
1383 | |
1384 return NGX_OK; | |
1385 } | |
1386 | |
1387 | |
1388 static ngx_int_t | |
629 | 1389 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1390 ngx_http_variable_value_t *v, uintptr_t data) | |
1391 { | |
1392 if (r->request_complete) { | |
1393 v->len = 2; | |
1394 v->valid = 1; | |
1565 | 1395 v->no_cacheable = 0; |
629 | 1396 v->not_found = 0; |
1397 v->data = (u_char *) "OK"; | |
1398 | |
1399 return NGX_OK; | |
1400 } | |
1401 | |
1402 v->len = 0; | |
1403 v->valid = 1; | |
1565 | 1404 v->no_cacheable = 0; |
629 | 1405 v->not_found = 0; |
1406 v->data = (u_char *) ""; | |
1407 | |
1408 return NGX_OK; | |
1409 } | |
1410 | |
1411 | |
759 | 1412 static ngx_int_t |
1413 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
1414 ngx_http_variable_value_t *v, uintptr_t data) | |
1415 { | |
1416 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
763
0b0f3d4854c0
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parents:
759
diff
changeset
|
1417 v->not_found = 1; |
759 | 1418 |
1419 return NGX_OK; | |
1420 } | |
1421 | |
1422 v->len = r->request_body->temp_file->file.name.len; | |
1423 v->valid = 1; | |
1565 | 1424 v->no_cacheable = 0; |
759 | 1425 v->not_found = 0; |
1426 v->data = r->request_body->temp_file->file.name.data; | |
1427 | |
1428 return NGX_OK; | |
1429 } | |
1430 | |
1431 | |
1329 | 1432 static ngx_int_t |
1433 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1434 ngx_http_variable_value_t *v, uintptr_t data) | |
1435 { | |
1436 v->len = sizeof(NGINX_VERSION) - 1; | |
1437 v->valid = 1; | |
1565 | 1438 v->no_cacheable = 0; |
1329 | 1439 v->not_found = 0; |
1440 v->data = (u_char *) NGINX_VERSION; | |
1441 | |
1442 return NGX_OK; | |
1443 } | |
1444 | |
1445 | |
2011 | 1446 static ngx_int_t |
1447 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1448 ngx_http_variable_value_t *v, uintptr_t data) | |
1449 { | |
1450 v->len = ngx_cycle->hostname.len; | |
1451 v->valid = 1; | |
1452 v->no_cacheable = 0; | |
1453 v->not_found = 0; | |
1454 v->data = ngx_cycle->hostname.data; | |
1455 | |
1456 return NGX_OK; | |
1457 } | |
1458 | |
1459 | |
2249 | 1460 static ngx_int_t |
1461 ngx_http_variable_pid(ngx_http_request_t *r, | |
1462 ngx_http_variable_value_t *v, uintptr_t data) | |
1463 { | |
1464 u_char *p; | |
1465 | |
1466 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1467 if (p == NULL) { | |
1468 return NGX_ERROR; | |
1469 } | |
1470 | |
1471 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1472 v->valid = 1; | |
1473 v->no_cacheable = 0; | |
1474 v->not_found = 0; | |
1475 v->data = p; | |
1476 | |
1477 return NGX_OK; | |
1478 } | |
1479 | |
1480 | |
499 | 1481 ngx_int_t |
509 | 1482 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1483 { |
611 | 1484 ngx_int_t rc; |
1485 ngx_http_variable_t *v; | |
501 | 1486 ngx_http_core_main_conf_t *cmcf; |
499 | 1487 |
509 | 1488 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1489 | |
611 | 1490 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1491 sizeof(ngx_hash_keys_arrays_t)); | |
1492 if (cmcf->variables_keys == NULL) { | |
1493 return NGX_ERROR; | |
1494 } | |
1495 | |
1496 cmcf->variables_keys->pool = cf->pool; | |
1497 cmcf->variables_keys->temp_pool = cf->pool; | |
1498 | |
1499 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1500 != NGX_OK) | |
509 | 1501 { |
499 | 1502 return NGX_ERROR; |
1503 } | |
1504 | |
611 | 1505 for (v = ngx_http_core_variables; v->name.len; v++) { |
1506 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1507 NGX_HASH_READONLY_KEY); | |
1508 | |
1509 if (rc == NGX_OK) { | |
1510 continue; | |
499 | 1511 } |
1512 | |
611 | 1513 if (rc == NGX_BUSY) { |
1514 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1515 "conflicting variable name \"%V\"", &v->name); | |
1516 } | |
1517 | |
1518 return NGX_ERROR; | |
499 | 1519 } |
1520 | |
1521 return NGX_OK; | |
1522 } | |
509 | 1523 |
1524 | |
1525 ngx_int_t | |
1526 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1527 { | |
1528 ngx_uint_t i, n; | |
611 | 1529 ngx_hash_key_t *key; |
1530 ngx_hash_init_t hash; | |
509 | 1531 ngx_http_variable_t *v, *av; |
1532 ngx_http_core_main_conf_t *cmcf; | |
1533 | |
1534 /* set the handlers for the indexed http variables */ | |
1535 | |
1536 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1537 | |
1538 v = cmcf->variables.elts; | |
611 | 1539 key = cmcf->variables_keys->keys.elts; |
509 | 1540 |
1541 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1542 | |
611 | 1543 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1544 |
1191
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parents:
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diff
changeset
|
1545 av = key[n].value; |
0eb2dc4fdea8
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parents:
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diff
changeset
|
1546 |
0eb2dc4fdea8
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Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1547 if (av->get_handler |
0eb2dc4fdea8
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Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1548 && v[i].name.len == key[n].key.len |
611 | 1549 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1550 == 0) |
1551 { | |
637 | 1552 v[i].get_handler = av->get_handler; |
611 | 1553 v[i].data = av->data; |
527 | 1554 |
611 | 1555 av->flags |= NGX_HTTP_VAR_INDEXED; |
1556 v[i].flags = av->flags; | |
509 | 1557 |
611 | 1558 av->index = i; |
533 | 1559 |
509 | 1560 goto next; |
1561 } | |
1562 } | |
1563 | |
1564 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 1565 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 1566 v[i].data = (uintptr_t) &v[i].name; |
1567 | |
1568 continue; | |
1569 } | |
1570 | |
1571 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 1572 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 1573 v[i].data = (uintptr_t) &v[i].name; |
1574 | |
1575 continue; | |
1576 } | |
1577 | |
1162 | 1578 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
1579 v[i].get_handler = ngx_http_upstream_header_variable; | |
1580 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 1581 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 1582 |
1583 continue; | |
1584 } | |
1585 | |
2307 | 1586 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
1587 v[i].get_handler = ngx_http_variable_cookie; | |
1588 v[i].data = (uintptr_t) &v[i].name; | |
1589 | |
1590 continue; | |
1591 } | |
1592 | |
2137 | 1593 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
1594 v[i].get_handler = ngx_http_variable_argument; | |
1595 v[i].data = (uintptr_t) &v[i].name; | |
1596 | |
1597 continue; | |
1598 } | |
1599 | |
509 | 1600 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
1601 "unknown \"%V\" variable", &v[i].name); | |
1602 | |
1603 return NGX_ERROR; | |
1604 | |
1605 next: | |
1606 continue; | |
1607 } | |
1608 | |
1609 | |
611 | 1610 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
1611 av = key[n].value; | |
1612 | |
1613 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
1614 key[n].key.data = NULL; | |
583 | 1615 } |
1616 } | |
1617 | |
1618 | |
611 | 1619 hash.hash = &cmcf->variables_hash; |
1620 hash.key = ngx_hash_key; | |
1621 hash.max_size = cmcf->variables_hash_max_size; | |
1622 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1623 hash.name = "variables_hash"; | |
1624 hash.pool = cf->pool; | |
1625 hash.temp_pool = NULL; | |
509 | 1626 |
611 | 1627 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
1628 cmcf->variables_keys->keys.nelts) | |
581 | 1629 != NGX_OK) |
509 | 1630 { |
1631 return NGX_ERROR; | |
1632 } | |
1633 | |
611 | 1634 cmcf->variables_keys = NULL; |
509 | 1635 |
1636 return NGX_OK; | |
1637 } | |
2333
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parents:
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diff
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|
1638 |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1639 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1640 void |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1641 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1642 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1643 { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1644 ngx_rbtree_node_t **p; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1645 ngx_http_variable_value_node_t *vvn, *vvt; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1646 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1647 for ( ;; ) { |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1648 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1649 vvn = (ngx_http_variable_value_node_t *) node; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1650 vvt = (ngx_http_variable_value_node_t *) temp; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1651 |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1652 if (node->key != temp->key) { |
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parents:
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diff
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|
1653 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1654 p = (node->key < temp->key) ? &temp->left : &temp->right; |
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diff
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|
1655 |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1656 } else if (vvn->len != vvt->len) { |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
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|
1657 |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1658 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
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parents:
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diff
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|
1659 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1660 } else { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1661 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1662 ? &temp->left : &temp->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1663 } |
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variable value rbtree support
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parents:
2307
diff
changeset
|
1664 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1665 if (*p == sentinel) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1666 break; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1667 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1668 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1669 temp = *p; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1670 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1671 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1672 *p = node; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1673 node->parent = temp; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1674 node->left = sentinel; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1675 node->right = sentinel; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1676 ngx_rbt_red(node); |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1677 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1678 |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1679 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1680 ngx_http_variable_value_t * |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1681 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1682 uint32_t hash) |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1683 { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1684 ngx_int_t rc; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1685 ngx_rbtree_node_t *node, *sentinel; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1686 ngx_http_variable_value_node_t *vvn; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1687 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1688 node = rbtree->root; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1689 sentinel = rbtree->sentinel; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1690 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1691 while (node != sentinel) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1692 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1693 vvn = (ngx_http_variable_value_node_t *) node; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1694 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1695 if (hash != node->key) { |
f267d23868fc
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parents:
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diff
changeset
|
1696 node = (hash < node->key) ? node->left : node->right; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1697 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1698 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1699 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1700 if (val->len != vvn->len) { |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1701 node = (val->len < vvn->len) ? node->left : node->right; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1702 continue; |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1703 } |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1704 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1705 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1706 |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1707 if (rc < 0) { |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1708 node = node->left; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1709 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1710 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1711 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1712 if (rc > 0) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1713 node = node->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1714 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1715 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1716 |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1717 return vvn->value; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1718 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1719 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1720 return NULL; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1721 } |