Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 4466:b404f34b5cb8
Proxy: added the "proxy_cookie_path" directive.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Mon, 13 Feb 2012 11:08:05 +0000 |
parents | d620f497c50f |
children | d9bf6caf0371 |
rev | line source |
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499 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
499 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
1329 | 11 #include <nginx.h> |
499 | 12 |
13 | |
573 | 14 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
15 ngx_http_variable_value_t *v, uintptr_t data); | |
1350 | 16 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
17 ngx_http_variable_value_t *v, uintptr_t data); | |
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18 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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19 ngx_http_variable_value_t *v, uintptr_t data); |
637 | 20 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
21 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 22 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
23 ngx_http_variable_value_t *v, uintptr_t data); | |
24 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
25 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 26 |
27 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 28 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 29 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
30 ngx_http_variable_value_t *v, uintptr_t data); | |
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31 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
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32 ngx_http_variable_value_t *v, uintptr_t data); |
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33 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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34 ngx_http_variable_value_t *v, uintptr_t data); |
2137 | 35 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
36 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 37 |
573 | 38 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
39 ngx_http_variable_value_t *v, uintptr_t data); | |
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40 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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41 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 42 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
43 ngx_http_variable_value_t *v, uintptr_t data); | |
44 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
45 ngx_http_variable_value_t *v, uintptr_t data); | |
46 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
47 ngx_http_variable_value_t *v, uintptr_t data); | |
48 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
49 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 50 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
51 ngx_http_variable_value_t *v, uintptr_t data); | |
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52 static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r, |
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53 ngx_http_variable_value_t *v, uintptr_t data); |
1351 | 54 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
55 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 56 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
57 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 58 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
59 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 60 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
61 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 62 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
63 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 64 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
65 ngx_http_variable_value_t *v, uintptr_t data); | |
66 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
67 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 68 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
69 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 70 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
71 ngx_http_variable_value_t *v, uintptr_t data); | |
2844 | 72 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
73 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 74 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
75 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 76 |
641 | 77 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
78 ngx_http_variable_value_t *v, uintptr_t data); | |
79 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
80 ngx_http_variable_value_t *v, uintptr_t data); | |
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81 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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82 ngx_http_variable_value_t *v, uintptr_t data); |
641 | 83 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
84 ngx_http_variable_value_t *v, uintptr_t data); | |
85 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
86 ngx_http_variable_value_t *v, uintptr_t data); | |
87 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
88 ngx_http_variable_value_t *v, uintptr_t data); | |
89 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
90 ngx_http_variable_value_t *v, uintptr_t data); | |
91 | |
1329 | 92 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
93 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 94 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
95 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 96 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
97 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 98 |
509 | 99 /* |
100 * TODO: | |
101 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
102 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
103 * SERVER_SOFTWARE | |
104 * | |
571 | 105 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 106 */ |
499 | 107 |
641 | 108 /* |
109 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
110 * and $http_x_forwarded_for variables may be handled by generic | |
111 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
112 * they are handled using dedicated entries | |
113 */ | |
114 | |
509 | 115 static ngx_http_variable_t ngx_http_core_variables[] = { |
116 | |
637 | 117 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 118 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 119 |
637 | 120 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 121 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 122 |
637 | 123 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 124 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 125 |
126 #if (NGX_HTTP_GZIP) | |
637 | 127 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 128 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 129 #endif |
130 | |
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131 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
637 | 132 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 133 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 134 #endif |
135 | |
637 | 136 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 137 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 138 |
637 | 139 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 140 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 141 |
637 | 142 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 143 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 144 |
637 | 145 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 146 |
982 | 147 { ngx_string("binary_remote_addr"), NULL, |
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148 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 149 |
637 | 150 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 151 |
637 | 152 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 153 |
637 | 154 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 155 |
637 | 156 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 157 |
637 | 158 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 159 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 160 |
731 | 161 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
162 | |
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163 { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 }, |
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164 |
637 | 165 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 166 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 167 |
637 | 168 { ngx_string("uri"), NULL, ngx_http_variable_request, |
169 offsetof(ngx_http_request_t, uri), | |
1565 | 170 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 171 |
172 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 173 offsetof(ngx_http_request_t, uri), |
1565 | 174 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 175 |
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176 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
569 | 177 |
637 | 178 { ngx_string("document_root"), NULL, |
1565 | 179 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 180 |
2259 | 181 { ngx_string("realpath_root"), NULL, |
182 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
183 | |
637 | 184 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 185 offsetof(ngx_http_request_t, args), |
1565 | 186 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 187 |
1350 | 188 { ngx_string("args"), |
189 ngx_http_variable_request_set, | |
190 ngx_http_variable_request, | |
589 | 191 offsetof(ngx_http_request_t, args), |
1565 | 192 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 193 |
1351 | 194 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 195 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 196 |
637 | 197 { ngx_string("request_filename"), NULL, |
198 ngx_http_variable_request_filename, 0, | |
1565 | 199 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 200 |
1811 | 201 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 202 |
637 | 203 { ngx_string("request_method"), NULL, |
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204 ngx_http_variable_request_method, 0, |
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205 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 206 |
637 | 207 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 208 |
637 | 209 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 210 0, 0, 0 }, |
211 | |
637 | 212 { ngx_string("request_completion"), NULL, |
213 ngx_http_variable_request_completion, | |
629 | 214 0, 0, 0 }, |
215 | |
2844 | 216 { ngx_string("request_body"), NULL, |
217 ngx_http_variable_request_body, | |
218 0, 0, 0 }, | |
219 | |
759 | 220 { ngx_string("request_body_file"), NULL, |
221 ngx_http_variable_request_body_file, | |
222 0, 0, 0 }, | |
223 | |
641 | 224 { ngx_string("sent_http_content_type"), NULL, |
225 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
226 | |
227 { ngx_string("sent_http_content_length"), NULL, | |
228 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
229 | |
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230 { ngx_string("sent_http_location"), NULL, |
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231 ngx_http_variable_sent_location, 0, 0, 0 }, |
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232 |
641 | 233 { ngx_string("sent_http_last_modified"), NULL, |
234 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
235 | |
236 { ngx_string("sent_http_connection"), NULL, | |
237 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
238 | |
239 { ngx_string("sent_http_keep_alive"), NULL, | |
240 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
241 | |
242 { ngx_string("sent_http_transfer_encoding"), NULL, | |
243 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
244 | |
245 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
246 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
247 | |
637 | 248 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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249 ngx_http_variable_request_get_size, |
637 | 250 offsetof(ngx_http_request_t, limit_rate), |
1565 | 251 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 252 |
1329 | 253 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
254 0, 0, 0 }, | |
255 | |
2011 | 256 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
257 0, 0, 0 }, | |
258 | |
2249 | 259 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
260 0, 0, 0 }, | |
261 | |
637 | 262 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 263 }; |
264 | |
265 | |
577 | 266 ngx_http_variable_value_t ngx_http_variable_null_value = |
267 ngx_http_variable(""); | |
268 ngx_http_variable_value_t ngx_http_variable_true_value = | |
269 ngx_http_variable("1"); | |
270 | |
271 | |
499 | 272 ngx_http_variable_t * |
509 | 273 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
274 { | |
611 | 275 ngx_int_t rc; |
509 | 276 ngx_uint_t i; |
611 | 277 ngx_hash_key_t *key; |
509 | 278 ngx_http_variable_t *v; |
279 ngx_http_core_main_conf_t *cmcf; | |
280 | |
281 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
282 | |
611 | 283 key = cmcf->variables_keys->keys.elts; |
284 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
285 if (name->len != key[i].key.len | |
286 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 287 { |
288 continue; | |
289 } | |
290 | |
611 | 291 v = key[i].value; |
292 | |
1565 | 293 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 294 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
295 "the duplicate \"%V\" variable", name); | |
296 return NULL; | |
297 } | |
298 | |
611 | 299 return v; |
509 | 300 } |
301 | |
611 | 302 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 303 if (v == NULL) { |
304 return NULL; | |
305 } | |
306 | |
307 v->name.len = name->len; | |
2049 | 308 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 309 if (v->name.data == NULL) { |
310 return NULL; | |
311 } | |
312 | |
2135 | 313 ngx_strlow(v->name.data, name->data, name->len); |
509 | 314 |
637 | 315 v->set_handler = NULL; |
316 v->get_handler = NULL; | |
509 | 317 v->data = 0; |
318 v->flags = flags; | |
533 | 319 v->index = 0; |
509 | 320 |
611 | 321 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
322 | |
323 if (rc == NGX_ERROR) { | |
324 return NULL; | |
325 } | |
326 | |
327 if (rc == NGX_BUSY) { | |
328 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
329 "conflicting variable name \"%V\"", name); | |
330 return NULL; | |
331 } | |
332 | |
509 | 333 return v; |
334 } | |
335 | |
336 | |
337 ngx_int_t | |
338 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 339 { |
501 | 340 ngx_uint_t i; |
341 ngx_http_variable_t *v; | |
499 | 342 ngx_http_core_main_conf_t *cmcf; |
343 | |
344 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
345 | |
501 | 346 v = cmcf->variables.elts; |
347 | |
348 if (v == NULL) { | |
499 | 349 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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350 sizeof(ngx_http_variable_t)) |
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351 != NGX_OK) |
499 | 352 { |
509 | 353 return NGX_ERROR; |
499 | 354 } |
501 | 355 |
356 } else { | |
357 for (i = 0; i < cmcf->variables.nelts; i++) { | |
358 if (name->len != v[i].name.len | |
359 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
360 { | |
361 continue; | |
362 } | |
363 | |
509 | 364 return i; |
501 | 365 } |
499 | 366 } |
367 | |
501 | 368 v = ngx_array_push(&cmcf->variables); |
369 if (v == NULL) { | |
509 | 370 return NGX_ERROR; |
499 | 371 } |
372 | |
501 | 373 v->name.len = name->len; |
2049 | 374 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 375 if (v->name.data == NULL) { |
509 | 376 return NGX_ERROR; |
501 | 377 } |
499 | 378 |
2135 | 379 ngx_strlow(v->name.data, name->data, name->len); |
501 | 380 |
637 | 381 v->set_handler = NULL; |
382 v->get_handler = NULL; | |
501 | 383 v->data = 0; |
509 | 384 v->flags = 0; |
533 | 385 v->index = cmcf->variables.nelts - 1; |
501 | 386 |
509 | 387 return cmcf->variables.nelts - 1; |
499 | 388 } |
389 | |
390 | |
391 ngx_http_variable_value_t * | |
392 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
393 { | |
501 | 394 ngx_http_variable_t *v; |
499 | 395 ngx_http_core_main_conf_t *cmcf; |
396 | |
397 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
398 | |
553 | 399 if (cmcf->variables.nelts <= index) { |
499 | 400 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
401 "unknown variable index: %d", index); | |
402 return NULL; | |
403 } | |
404 | |
573 | 405 if (r->variables[index].not_found || r->variables[index].valid) { |
406 return &r->variables[index]; | |
501 | 407 } |
499 | 408 |
501 | 409 v = cmcf->variables.elts; |
499 | 410 |
637 | 411 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
412 == NGX_OK) | |
413 { | |
1565 | 414 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
415 r->variables[index].no_cacheable = 1; | |
499 | 416 } |
573 | 417 |
418 return &r->variables[index]; | |
499 | 419 } |
420 | |
657 | 421 r->variables[index].valid = 0; |
422 r->variables[index].not_found = 1; | |
423 | |
798 | 424 return NULL; |
573 | 425 } |
426 | |
427 | |
428 ngx_http_variable_value_t * | |
429 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
430 { | |
1150 | 431 ngx_http_variable_value_t *v; |
573 | 432 |
433 v = &r->variables[index]; | |
434 | |
435 if (v->valid) { | |
1565 | 436 if (!v->no_cacheable) { |
573 | 437 return v; |
438 } | |
439 | |
440 v->valid = 0; | |
441 v->not_found = 0; | |
509 | 442 } |
501 | 443 |
573 | 444 return ngx_http_get_indexed_variable(r, index); |
499 | 445 } |
446 | |
447 | |
448 ngx_http_variable_value_t * | |
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449 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
499 | 450 { |
501 | 451 ngx_http_variable_t *v; |
573 | 452 ngx_http_variable_value_t *vv; |
499 | 453 ngx_http_core_main_conf_t *cmcf; |
454 | |
455 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
456 | |
611 | 457 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 458 |
611 | 459 if (v) { |
460 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
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461 return ngx_http_get_flushed_variable(r, v->index); |
519 | 462 |
463 } else { | |
499 | 464 |
573 | 465 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 466 |
637 | 467 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 468 return vv; |
469 } | |
509 | 470 |
573 | 471 return NULL; |
472 } | |
509 | 473 } |
474 | |
475 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
476 if (vv == NULL) { | |
477 return NULL; | |
478 } | |
479 | |
573 | 480 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 481 |
577 | 482 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
483 == NGX_OK) | |
484 { | |
485 return vv; | |
486 } | |
487 | |
488 return NULL; | |
489 } | |
490 | |
491 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
492 | |
493 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
494 == NGX_OK) | |
573 | 495 { |
496 return vv; | |
497 } | |
499 | 498 |
499 return NULL; | |
500 } | |
501 | |
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502 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
1162 | 503 |
504 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
505 == NGX_OK) | |
506 { | |
507 return vv; | |
508 } | |
509 | |
510 return NULL; | |
511 } | |
512 | |
2307 | 513 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
514 | |
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515 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
2307 | 516 return vv; |
517 } | |
518 | |
519 return NULL; | |
520 } | |
521 | |
2137 | 522 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
523 | |
524 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
525 return vv; | |
526 } | |
527 | |
528 return NULL; | |
529 } | |
530 | |
635 | 531 vv->not_found = 1; |
573 | 532 |
501 | 533 return vv; |
499 | 534 } |
535 | |
536 | |
573 | 537 static ngx_int_t |
538 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
539 uintptr_t data) | |
540 { | |
541 ngx_str_t *s; | |
542 | |
543 s = (ngx_str_t *) ((char *) r + data); | |
544 | |
545 if (s->data) { | |
546 v->len = s->len; | |
547 v->valid = 1; | |
1565 | 548 v->no_cacheable = 0; |
573 | 549 v->not_found = 0; |
550 v->data = s->data; | |
551 | |
552 } else { | |
553 v->not_found = 1; | |
554 } | |
555 | |
556 return NGX_OK; | |
557 } | |
558 | |
559 | |
637 | 560 static void |
1350 | 561 ngx_http_variable_request_set(ngx_http_request_t *r, |
562 ngx_http_variable_value_t *v, uintptr_t data) | |
563 { | |
564 ngx_str_t *s; | |
565 | |
566 s = (ngx_str_t *) ((char *) r + data); | |
567 | |
568 s->len = v->len; | |
569 s->data = v->data; | |
570 } | |
571 | |
572 | |
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573 static ngx_int_t |
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574 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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575 ngx_http_variable_value_t *v, uintptr_t data) |
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576 { |
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577 size_t *sp; |
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578 |
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579 sp = (size_t *) ((char *) r + data); |
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580 |
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581 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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582 if (v->data == NULL) { |
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583 return NGX_ERROR; |
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584 } |
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585 |
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586 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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587 v->valid = 1; |
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588 v->no_cacheable = 0; |
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589 v->not_found = 0; |
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590 |
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591 return NGX_OK; |
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592 } |
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593 |
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594 |
1350 | 595 static void |
637 | 596 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
597 ngx_http_variable_value_t *v, uintptr_t data) | |
598 { | |
599 ssize_t s, *sp; | |
600 ngx_str_t val; | |
601 | |
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602 val.len = v->len; |
637 | 603 val.data = v->data; |
604 | |
605 s = ngx_parse_size(&val); | |
606 | |
607 if (s == NGX_ERROR) { | |
608 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
609 "invalid size \"%V\"", &val); | |
610 return; | |
611 } | |
612 | |
613 sp = (ssize_t *) ((char *) r + data); | |
614 | |
615 *sp = s; | |
616 | |
617 return; | |
618 } | |
619 | |
620 | |
573 | 621 static ngx_int_t |
622 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
623 uintptr_t data) | |
515 | 624 { |
573 | 625 ngx_table_elt_t *h; |
626 | |
627 h = *(ngx_table_elt_t **) ((char *) r + data); | |
628 | |
629 if (h) { | |
630 v->len = h->value.len; | |
631 v->valid = 1; | |
1565 | 632 v->no_cacheable = 0; |
573 | 633 v->not_found = 0; |
634 v->data = h->value.data; | |
635 | |
636 } else { | |
637 v->not_found = 1; | |
638 } | |
639 | |
640 return NGX_OK; | |
641 } | |
642 | |
643 | |
644 static ngx_int_t | |
645 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
646 uintptr_t data) | |
647 { | |
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648 size_t len; |
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649 u_char *p, *end; |
667 | 650 ngx_uint_t i, n; |
573 | 651 ngx_array_t *a; |
652 ngx_table_elt_t **h; | |
515 | 653 |
654 a = (ngx_array_t *) ((char *) r + data); | |
655 | |
667 | 656 n = a->nelts; |
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657 h = a->elts; |
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658 |
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659 len = 0; |
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660 |
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661 for (i = 0; i < n; i++) { |
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662 |
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663 if (h[i]->hash == 0) { |
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664 continue; |
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665 } |
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666 |
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667 len += h[i]->value.len + sizeof("; ") - 1; |
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668 } |
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669 |
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670 if (len == 0) { |
573 | 671 v->not_found = 1; |
672 return NGX_OK; | |
515 | 673 } |
674 | |
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675 len -= sizeof("; ") - 1; |
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676 |
573 | 677 v->valid = 1; |
1565 | 678 v->no_cacheable = 0; |
573 | 679 v->not_found = 0; |
515 | 680 |
667 | 681 if (n == 1) { |
573 | 682 v->len = (*h)->value.len; |
683 v->data = (*h)->value.data; | |
515 | 684 |
573 | 685 return NGX_OK; |
515 | 686 } |
687 | |
2049 | 688 p = ngx_pnalloc(r->pool, len); |
573 | 689 if (p == NULL) { |
690 return NGX_ERROR; | |
691 } | |
692 | |
693 v->len = len; | |
694 v->data = p; | |
515 | 695 |
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696 end = p + len; |
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697 |
515 | 698 for (i = 0; /* void */ ; i++) { |
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699 |
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700 if (h[i]->hash == 0) { |
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701 continue; |
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702 } |
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703 |
573 | 704 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 705 |
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706 if (p == end) { |
515 | 707 break; |
708 } | |
709 | |
710 *p++ = ';'; *p++ = ' '; | |
711 } | |
712 | |
573 | 713 return NGX_OK; |
515 | 714 } |
715 | |
716 | |
573 | 717 static ngx_int_t |
577 | 718 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
719 ngx_http_variable_value_t *v, uintptr_t data) | |
720 { | |
721 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
722 &r->headers_in.headers.part, | |
723 sizeof("http_") - 1); | |
724 } | |
725 | |
726 | |
727 static ngx_int_t | |
728 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 729 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 730 { |
577 | 731 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
732 &r->headers_out.headers.part, | |
733 sizeof("sent_http_") - 1); | |
734 } | |
501 | 735 |
577 | 736 |
1162 | 737 ngx_int_t |
577 | 738 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
739 ngx_list_part_t *part, size_t prefix) | |
740 { | |
573 | 741 u_char ch; |
742 ngx_uint_t i, n; | |
743 ngx_table_elt_t *header; | |
499 | 744 |
745 header = part->elts; | |
746 | |
747 for (i = 0; /* void */ ; i++) { | |
748 | |
749 if (i >= part->nelts) { | |
750 if (part->next == NULL) { | |
751 break; | |
752 } | |
753 | |
754 part = part->next; | |
755 header = part->elts; | |
756 i = 0; | |
757 } | |
758 | |
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759 if (header[i].hash == 0) { |
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Valentin Bartenev <vbart@nginx.com>
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|
760 continue; |
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Fixed: some of $sent_http_* variables may contain header entries that actually
Valentin Bartenev <vbart@nginx.com>
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|
761 } |
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Fixed: some of $sent_http_* variables may contain header entries that actually
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|
762 |
577 | 763 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 764 ch = header[i].key.data[n]; |
765 | |
509 | 766 if (ch >= 'A' && ch <= 'Z') { |
767 ch |= 0x20; | |
499 | 768 |
769 } else if (ch == '-') { | |
770 ch = '_'; | |
771 } | |
772 | |
577 | 773 if (var->data[n + prefix] != ch) { |
499 | 774 break; |
775 } | |
776 } | |
777 | |
742
75d767d32624
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diff
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|
778 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 779 v->len = header[i].value.len; |
780 v->valid = 1; | |
1565 | 781 v->no_cacheable = 0; |
573 | 782 v->not_found = 0; |
783 v->data = header[i].value.data; | |
499 | 784 |
573 | 785 return NGX_OK; |
499 | 786 } |
787 } | |
788 | |
573 | 789 v->not_found = 1; |
790 | |
791 return NGX_OK; | |
509 | 792 } |
793 | |
794 | |
573 | 795 static ngx_int_t |
3144
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796 ngx_http_variable_request_line(ngx_http_request_t *r, |
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797 ngx_http_variable_value_t *v, uintptr_t data) |
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798 { |
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799 u_char *p, *s; |
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800 |
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|
801 s = r->request_line.data; |
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802 |
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|
803 if (s == NULL) { |
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804 s = r->request_start; |
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|
805 |
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|
806 if (s == NULL) { |
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|
807 v->not_found = 1; |
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|
808 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
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|
809 } |
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changeset
|
810 |
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allow to log invalid $request in access_log always,
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parents:
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diff
changeset
|
811 for (p = s; p < r->header_in->last; p++) { |
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parents:
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|
812 if (*p == CR || *p == LF) { |
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diff
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|
813 break; |
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diff
changeset
|
814 } |
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|
815 } |
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|
816 |
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|
817 r->request_line.len = p - s; |
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818 r->request_line.data = s; |
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|
819 } |
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|
820 |
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|
821 v->len = r->request_line.len; |
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822 v->valid = 1; |
ecbfc3396c42
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|
823 v->no_cacheable = 0; |
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|
824 v->not_found = 0; |
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changeset
|
825 v->data = s; |
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|
826 |
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|
827 return NGX_OK; |
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|
828 } |
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|
829 |
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diff
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|
830 |
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|
831 static ngx_int_t |
2307 | 832 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
833 uintptr_t data) | |
834 { | |
835 ngx_str_t *name = (ngx_str_t *) data; | |
836 | |
837 ngx_str_t cookie, s; | |
838 | |
839 s.len = name->len - (sizeof("cookie_") - 1); | |
840 s.data = name->data + sizeof("cookie_") - 1; | |
841 | |
842 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
843 == NGX_DECLINED) | |
844 { | |
845 v->not_found = 1; | |
846 return NGX_OK; | |
847 } | |
848 | |
849 v->len = cookie.len; | |
850 v->valid = 1; | |
851 v->no_cacheable = 0; | |
852 v->not_found = 0; | |
853 v->data = cookie.data; | |
854 | |
855 return NGX_OK; | |
856 } | |
857 | |
858 | |
859 static ngx_int_t | |
2137 | 860 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
861 uintptr_t data) | |
862 { | |
863 ngx_str_t *name = (ngx_str_t *) data; | |
864 | |
2415 | 865 u_char *arg; |
866 size_t len; | |
867 ngx_str_t value; | |
2137 | 868 |
2415 | 869 len = name->len - (sizeof("arg_") - 1); |
870 arg = name->data + sizeof("arg_") - 1; | |
871 | |
872 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
2137 | 873 v->not_found = 1; |
874 return NGX_OK; | |
875 } | |
876 | |
2415 | 877 v->data = value.data; |
878 v->len = value.len; | |
879 v->valid = 1; | |
880 v->no_cacheable = 0; | |
881 v->not_found = 0; | |
2137 | 882 |
883 return NGX_OK; | |
884 } | |
885 | |
886 | |
887 static ngx_int_t | |
573 | 888 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
889 uintptr_t data) | |
509 | 890 { |
1811 | 891 ngx_http_core_srv_conf_t *cscf; |
892 | |
2007
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|
893 if (r->headers_in.server.len) { |
b9de93d804ea
*) host in request line has priority
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changeset
|
894 v->len = r->headers_in.server.len; |
b9de93d804ea
*) host in request line has priority
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parents:
1811
diff
changeset
|
895 v->data = r->headers_in.server.data; |
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
896 |
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
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864
diff
changeset
|
897 } else { |
2007
b9de93d804ea
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parents:
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diff
changeset
|
898 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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|
899 |
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parents:
1811
diff
changeset
|
900 v->len = cscf->server_name.len; |
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parents:
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diff
changeset
|
901 v->data = cscf->server_name.data; |
509 | 902 } |
903 | |
573 | 904 v->valid = 1; |
1565 | 905 v->no_cacheable = 0; |
573 | 906 v->not_found = 0; |
509 | 907 |
573 | 908 return NGX_OK; |
499 | 909 } |
910 | |
911 | |
573 | 912 static ngx_int_t |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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parents:
982
diff
changeset
|
913 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 914 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 915 { |
2512
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|
916 struct sockaddr_in *sin; |
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|
917 #if (NGX_HAVE_INET6) |
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|
918 struct sockaddr_in6 *sin6; |
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|
919 #endif |
982 | 920 |
2512
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2485
diff
changeset
|
921 switch (r->connection->sockaddr->sa_family) { |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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982
diff
changeset
|
922 |
2512
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923 #if (NGX_HAVE_INET6) |
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|
924 case AF_INET6: |
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|
925 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
982 | 926 |
2512
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2485
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changeset
|
927 v->len = sizeof(struct in6_addr); |
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|
928 v->valid = 1; |
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|
929 v->no_cacheable = 0; |
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diff
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|
930 v->not_found = 0; |
3268
c6a40c815d45
use sin6_addr.s6_addr instead of "(u_char *) & .sin6_addr"
Igor Sysoev <igor@sysoev.ru>
parents:
3144
diff
changeset
|
931 v->data = sin6->sin6_addr.s6_addr; |
2512
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|
932 |
2e91aecb9e57
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diff
changeset
|
933 break; |
2e91aecb9e57
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diff
changeset
|
934 #endif |
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changeset
|
935 |
2e91aecb9e57
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changeset
|
936 default: /* AF_INET */ |
2e91aecb9e57
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|
937 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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|
938 |
2e91aecb9e57
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|
939 v->len = sizeof(in_addr_t); |
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|
940 v->valid = 1; |
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|
941 v->no_cacheable = 0; |
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|
942 v->not_found = 0; |
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|
943 v->data = (u_char *) &sin->sin_addr; |
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|
944 |
2e91aecb9e57
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|
945 break; |
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|
946 } |
982 | 947 |
983
7a8ca436d611
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diff
changeset
|
948 return NGX_OK; |
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diff
changeset
|
949 } |
982 | 950 |
951 | |
983
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982
diff
changeset
|
952 static ngx_int_t |
7a8ca436d611
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diff
changeset
|
953 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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diff
changeset
|
954 ngx_http_variable_value_t *v, uintptr_t data) |
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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982
diff
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|
955 { |
7a8ca436d611
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diff
changeset
|
956 v->len = r->connection->addr_text.len; |
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982
diff
changeset
|
957 v->valid = 1; |
1565 | 958 v->no_cacheable = 0; |
983
7a8ca436d611
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diff
changeset
|
959 v->not_found = 0; |
7a8ca436d611
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982
diff
changeset
|
960 v->data = r->connection->addr_text.data; |
499 | 961 |
573 | 962 return NGX_OK; |
499 | 963 } |
964 | |
965 | |
573 | 966 static ngx_int_t |
967 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
968 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 969 { |
2512
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|
970 ngx_uint_t port; |
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|
971 struct sockaddr_in *sin; |
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|
972 #if (NGX_HAVE_INET6) |
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973 struct sockaddr_in6 *sin6; |
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|
974 #endif |
509 | 975 |
573 | 976 v->len = 0; |
977 v->valid = 1; | |
1565 | 978 v->no_cacheable = 0; |
573 | 979 v->not_found = 0; |
509 | 980 |
2049 | 981 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 982 if (v->data == NULL) { |
983 return NGX_ERROR; | |
509 | 984 } |
985 | |
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986 switch (r->connection->sockaddr->sa_family) { |
577 | 987 |
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988 #if (NGX_HAVE_INET6) |
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989 case AF_INET6: |
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990 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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991 port = ntohs(sin6->sin6_port); |
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992 break; |
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993 #endif |
577 | 994 |
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995 default: /* AF_INET */ |
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996 sin = (struct sockaddr_in *) r->connection->sockaddr; |
509 | 997 port = ntohs(sin->sin_port); |
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998 break; |
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999 } |
577 | 1000 |
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1001 if (port > 0 && port < 65536) { |
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1002 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 1003 } |
1004 | |
573 | 1005 return NGX_OK; |
509 | 1006 } |
1007 | |
1008 | |
573 | 1009 static ngx_int_t |
1010 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
1011 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1012 { |
1805 | 1013 ngx_str_t s; |
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1014 u_char addr[NGX_SOCKADDR_STRLEN]; |
499 | 1015 |
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1016 s.len = NGX_SOCKADDR_STRLEN; |
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1017 s.data = addr; |
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1018 |
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1019 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1020 return NGX_ERROR; |
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1021 } |
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1022 |
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1023 s.data = ngx_pnalloc(r->pool, s.len); |
1805 | 1024 if (s.data == NULL) { |
573 | 1025 return NGX_ERROR; |
509 | 1026 } |
1027 | |
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1028 ngx_memcpy(s.data, addr, s.len); |
509 | 1029 |
1805 | 1030 v->len = s.len; |
573 | 1031 v->valid = 1; |
1565 | 1032 v->no_cacheable = 0; |
573 | 1033 v->not_found = 0; |
1805 | 1034 v->data = s.data; |
499 | 1035 |
573 | 1036 return NGX_OK; |
499 | 1037 } |
1038 | |
1039 | |
573 | 1040 static ngx_int_t |
1041 ngx_http_variable_server_port(ngx_http_request_t *r, | |
1042 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1043 { |
2533 | 1044 ngx_uint_t port; |
1045 struct sockaddr_in *sin; | |
1046 #if (NGX_HAVE_INET6) | |
1047 struct sockaddr_in6 *sin6; | |
1048 #endif | |
1049 | |
1050 v->len = 0; | |
573 | 1051 v->valid = 1; |
1565 | 1052 v->no_cacheable = 0; |
573 | 1053 v->not_found = 0; |
2533 | 1054 |
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1055 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
2533 | 1056 return NGX_ERROR; |
1057 } | |
1058 | |
1059 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
1060 if (v->data == NULL) { | |
1061 return NGX_ERROR; | |
1062 } | |
1063 | |
1064 switch (r->connection->local_sockaddr->sa_family) { | |
1065 | |
1066 #if (NGX_HAVE_INET6) | |
1067 case AF_INET6: | |
1068 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
1069 port = ntohs(sin6->sin6_port); | |
1070 break; | |
1071 #endif | |
1072 | |
1073 default: /* AF_INET */ | |
1074 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
1075 port = ntohs(sin->sin_port); | |
1076 break; | |
1077 } | |
1078 | |
1079 if (port > 0 && port < 65536) { | |
1080 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
1081 } | |
509 | 1082 |
573 | 1083 return NGX_OK; |
509 | 1084 } |
1085 | |
1086 | |
573 | 1087 static ngx_int_t |
731 | 1088 ngx_http_variable_scheme(ngx_http_request_t *r, |
1089 ngx_http_variable_value_t *v, uintptr_t data) | |
1090 { | |
1091 #if (NGX_HTTP_SSL) | |
1092 | |
1093 if (r->connection->ssl) { | |
1094 v->len = sizeof("https") - 1; | |
1095 v->valid = 1; | |
1565 | 1096 v->no_cacheable = 0; |
731 | 1097 v->not_found = 0; |
732 | 1098 v->data = (u_char *) "https"; |
731 | 1099 |
1100 return NGX_OK; | |
1101 } | |
1102 | |
1103 #endif | |
1104 | |
1105 v->len = sizeof("http") - 1; | |
1106 v->valid = 1; | |
1565 | 1107 v->no_cacheable = 0; |
731 | 1108 v->not_found = 0; |
732 | 1109 v->data = (u_char *) "http"; |
731 | 1110 |
1111 return NGX_OK; | |
1112 } | |
1113 | |
1114 | |
1115 static ngx_int_t | |
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1116 ngx_http_variable_https(ngx_http_request_t *r, |
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1117 ngx_http_variable_value_t *v, uintptr_t data) |
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1118 { |
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1119 #if (NGX_HTTP_SSL) |
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1120 |
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1121 if (r->connection->ssl) { |
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1122 v->len = sizeof("on") - 1; |
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1123 v->valid = 1; |
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1124 v->no_cacheable = 0; |
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1125 v->not_found = 0; |
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1126 v->data = (u_char *) "on"; |
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1127 |
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1128 return NGX_OK; |
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1129 } |
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1130 |
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1131 #endif |
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1132 |
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1133 *v = ngx_http_variable_null_value; |
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1134 |
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1135 return NGX_OK; |
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1136 } |
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1137 |
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1138 |
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1139 static ngx_int_t |
1351 | 1140 ngx_http_variable_is_args(ngx_http_request_t *r, |
1141 ngx_http_variable_value_t *v, uintptr_t data) | |
1142 { | |
1143 v->valid = 1; | |
1565 | 1144 v->no_cacheable = 0; |
1351 | 1145 v->not_found = 0; |
1146 | |
1147 if (r->args.len == 0) { | |
1148 v->len = 0; | |
1149 v->data = NULL; | |
1150 return NGX_OK; | |
1151 } | |
1152 | |
1153 v->len = 1; | |
1154 v->data = (u_char *) "?"; | |
1155 | |
1156 return NGX_OK; | |
1157 } | |
1158 | |
1159 | |
1160 static ngx_int_t | |
573 | 1161 ngx_http_variable_document_root(ngx_http_request_t *r, |
1162 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1163 { |
671 | 1164 ngx_str_t path; |
573 | 1165 ngx_http_core_loc_conf_t *clcf; |
509 | 1166 |
1167 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1168 | |
671 | 1169 if (clcf->root_lengths == NULL) { |
1170 v->len = clcf->root.len; | |
1171 v->valid = 1; | |
1565 | 1172 v->no_cacheable = 0; |
671 | 1173 v->not_found = 0; |
1174 v->data = clcf->root.data; | |
1175 | |
1176 } else { | |
1177 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1178 clcf->root_values->elts) | |
1179 == NULL) | |
1180 { | |
1181 return NGX_ERROR; | |
1182 } | |
1183 | |
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1184 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
671 | 1185 return NGX_ERROR; |
1186 } | |
1187 | |
1188 v->len = path.len; | |
1189 v->valid = 1; | |
1565 | 1190 v->no_cacheable = 0; |
671 | 1191 v->not_found = 0; |
1192 v->data = path.data; | |
1193 } | |
509 | 1194 |
573 | 1195 return NGX_OK; |
509 | 1196 } |
1197 | |
1198 | |
573 | 1199 static ngx_int_t |
2259 | 1200 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1201 ngx_http_variable_value_t *v, uintptr_t data) | |
1202 { | |
1203 size_t len; | |
1204 ngx_str_t path; | |
1205 ngx_http_core_loc_conf_t *clcf; | |
1206 u_char real[NGX_MAX_PATH]; | |
1207 | |
1208 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1209 | |
1210 if (clcf->root_lengths == NULL) { | |
1211 path = clcf->root; | |
1212 | |
1213 } else { | |
1214 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1215 clcf->root_values->elts) | |
1216 == NULL) | |
1217 { | |
1218 return NGX_ERROR; | |
1219 } | |
1220 | |
1221 path.data[path.len - 1] = '\0'; | |
1222 | |
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1223 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
2259 | 1224 return NGX_ERROR; |
1225 } | |
1226 } | |
1227 | |
1228 if (ngx_realpath(path.data, real) == NULL) { | |
1229 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1230 ngx_realpath_n " \"%s\" failed", path.data); | |
1231 return NGX_ERROR; | |
1232 } | |
1233 | |
1234 len = ngx_strlen(real); | |
1235 | |
1236 v->data = ngx_pnalloc(r->pool, len); | |
1237 if (v->data == NULL) { | |
1238 return NGX_ERROR; | |
1239 } | |
1240 | |
1241 v->len = len; | |
1242 v->valid = 1; | |
1243 v->no_cacheable = 0; | |
1244 v->not_found = 0; | |
1245 | |
1246 ngx_memcpy(v->data, real, len); | |
1247 | |
1248 return NGX_OK; | |
1249 } | |
1250 | |
1251 | |
1252 static ngx_int_t | |
573 | 1253 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1254 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1255 { |
773 | 1256 size_t root; |
573 | 1257 ngx_str_t path; |
499 | 1258 |
773 | 1259 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1260 return NGX_ERROR; |
557 | 1261 } |
509 | 1262 |
557 | 1263 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1264 |
573 | 1265 v->len = path.len - 1; |
1266 v->valid = 1; | |
1565 | 1267 v->no_cacheable = 0; |
573 | 1268 v->not_found = 0; |
1269 v->data = path.data; | |
499 | 1270 |
573 | 1271 return NGX_OK; |
499 | 1272 } |
1273 | |
1274 | |
573 | 1275 static ngx_int_t |
1811 | 1276 ngx_http_variable_server_name(ngx_http_request_t *r, |
1277 ngx_http_variable_value_t *v, uintptr_t data) | |
1278 { | |
1279 ngx_http_core_srv_conf_t *cscf; | |
1280 | |
1281 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1282 | |
1283 v->len = cscf->server_name.len; | |
1284 v->valid = 1; | |
1285 v->no_cacheable = 0; | |
1286 v->not_found = 0; | |
1287 v->data = cscf->server_name.data; | |
1288 | |
1289 return NGX_OK; | |
1290 } | |
1291 | |
1292 | |
1293 static ngx_int_t | |
573 | 1294 ngx_http_variable_request_method(ngx_http_request_t *r, |
1295 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1296 { |
647 | 1297 if (r->main->method_name.data) { |
1298 v->len = r->main->method_name.len; | |
573 | 1299 v->valid = 1; |
1565 | 1300 v->no_cacheable = 0; |
573 | 1301 v->not_found = 0; |
647 | 1302 v->data = r->main->method_name.data; |
573 | 1303 |
1304 } else { | |
1305 v->not_found = 1; | |
561 | 1306 } |
1307 | |
573 | 1308 return NGX_OK; |
561 | 1309 } |
1310 | |
1311 | |
573 | 1312 static ngx_int_t |
1313 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1314 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1315 { |
573 | 1316 ngx_int_t rc; |
539 | 1317 |
1318 rc = ngx_http_auth_basic_user(r); | |
1319 | |
1320 if (rc == NGX_DECLINED) { | |
573 | 1321 v->not_found = 1; |
1322 return NGX_OK; | |
539 | 1323 } |
1324 | |
1325 if (rc == NGX_ERROR) { | |
573 | 1326 return NGX_ERROR; |
539 | 1327 } |
1328 | |
573 | 1329 v->len = r->headers_in.user.len; |
1330 v->valid = 1; | |
1565 | 1331 v->no_cacheable = 0; |
573 | 1332 v->not_found = 0; |
1333 v->data = r->headers_in.user.data; | |
571 | 1334 |
573 | 1335 return NGX_OK; |
571 | 1336 } |
1337 | |
1338 | |
611 | 1339 static ngx_int_t |
1340 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1341 ngx_http_variable_value_t *v, uintptr_t data) | |
1342 { | |
1343 off_t sent; | |
1344 u_char *p; | |
1345 | |
1346 sent = r->connection->sent - r->header_size; | |
1347 | |
1348 if (sent < 0) { | |
1349 sent = 0; | |
1350 } | |
1351 | |
2049 | 1352 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1353 if (p == NULL) { |
1354 return NGX_ERROR; | |
1355 } | |
1356 | |
1357 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1358 v->valid = 1; | |
1565 | 1359 v->no_cacheable = 0; |
611 | 1360 v->not_found = 0; |
1361 v->data = p; | |
1362 | |
1363 return NGX_OK; | |
1364 } | |
1365 | |
1366 | |
629 | 1367 static ngx_int_t |
641 | 1368 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1369 ngx_http_variable_value_t *v, uintptr_t data) | |
1370 { | |
1371 if (r->headers_out.content_type.len) { | |
1372 v->len = r->headers_out.content_type.len; | |
1373 v->valid = 1; | |
1565 | 1374 v->no_cacheable = 0; |
641 | 1375 v->not_found = 0; |
1376 v->data = r->headers_out.content_type.data; | |
1377 | |
1378 } else { | |
1379 v->not_found = 1; | |
1380 } | |
1381 | |
1382 return NGX_OK; | |
1383 } | |
1384 | |
1385 | |
1386 static ngx_int_t | |
1387 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1388 ngx_http_variable_value_t *v, uintptr_t data) | |
1389 { | |
1390 u_char *p; | |
1391 | |
1392 if (r->headers_out.content_length) { | |
1393 v->len = r->headers_out.content_length->value.len; | |
1394 v->valid = 1; | |
1565 | 1395 v->no_cacheable = 0; |
641 | 1396 v->not_found = 0; |
1397 v->data = r->headers_out.content_length->value.data; | |
1398 | |
1399 return NGX_OK; | |
1400 } | |
1401 | |
1402 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1403 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1404 if (p == NULL) { |
1405 return NGX_ERROR; | |
1406 } | |
1407 | |
1408 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1409 v->valid = 1; | |
1565 | 1410 v->no_cacheable = 0; |
641 | 1411 v->not_found = 0; |
1412 v->data = p; | |
1413 | |
1414 return NGX_OK; | |
1415 } | |
1416 | |
1417 v->not_found = 1; | |
1418 | |
1419 return NGX_OK; | |
1420 } | |
1421 | |
1422 | |
1423 static ngx_int_t | |
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1424 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1425 ngx_http_variable_value_t *v, uintptr_t data) |
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1426 { |
2539
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1427 ngx_str_t name; |
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1428 |
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1429 if (r->headers_out.location) { |
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1430 v->len = r->headers_out.location->value.len; |
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1431 v->valid = 1; |
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1432 v->no_cacheable = 0; |
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1433 v->not_found = 0; |
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1434 v->data = r->headers_out.location->value.data; |
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1435 |
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1436 return NGX_OK; |
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1437 } |
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1438 |
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1439 ngx_str_set(&name, "sent_http_location"); |
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1440 |
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1441 return ngx_http_variable_unknown_header(v, &name, |
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1442 &r->headers_out.headers.part, |
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1443 sizeof("sent_http_") - 1); |
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1444 } |
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1445 |
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1446 |
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1447 static ngx_int_t |
641 | 1448 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
1449 ngx_http_variable_value_t *v, uintptr_t data) | |
1450 { | |
1451 u_char *p; | |
1452 | |
1453 if (r->headers_out.last_modified) { | |
1454 v->len = r->headers_out.last_modified->value.len; | |
1455 v->valid = 1; | |
1565 | 1456 v->no_cacheable = 0; |
641 | 1457 v->not_found = 0; |
1458 v->data = r->headers_out.last_modified->value.data; | |
1459 | |
1460 return NGX_OK; | |
1461 } | |
1462 | |
1463 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1464 p = ngx_pnalloc(r->pool, |
641 | 1465 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1466 if (p == NULL) { | |
1467 return NGX_ERROR; | |
1468 } | |
1469 | |
1470 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1471 v->valid = 1; | |
1565 | 1472 v->no_cacheable = 0; |
641 | 1473 v->not_found = 0; |
1474 v->data = p; | |
1475 | |
1476 return NGX_OK; | |
1477 } | |
1478 | |
1479 v->not_found = 1; | |
1480 | |
1481 return NGX_OK; | |
1482 } | |
1483 | |
1484 | |
1485 static ngx_int_t | |
1486 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1487 ngx_http_variable_value_t *v, uintptr_t data) | |
1488 { | |
1489 size_t len; | |
1490 char *p; | |
1491 | |
1492 if (r->keepalive) { | |
1493 len = sizeof("keep-alive") - 1; | |
1494 p = "keep-alive"; | |
1495 | |
1496 } else { | |
1497 len = sizeof("close") - 1; | |
1498 p = "close"; | |
1499 } | |
1500 | |
1501 v->len = len; | |
1502 v->valid = 1; | |
1565 | 1503 v->no_cacheable = 0; |
641 | 1504 v->not_found = 0; |
1505 v->data = (u_char *) p; | |
1506 | |
1507 return NGX_OK; | |
1508 } | |
1509 | |
1510 | |
1511 static ngx_int_t | |
1512 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1513 ngx_http_variable_value_t *v, uintptr_t data) | |
1514 { | |
1515 u_char *p; | |
1516 ngx_http_core_loc_conf_t *clcf; | |
1517 | |
1518 if (r->keepalive) { | |
1519 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1520 | |
1521 if (clcf->keepalive_header) { | |
1522 | |
2049 | 1523 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1524 if (p == NULL) { |
1525 return NGX_ERROR; | |
1526 } | |
1527 | |
1528 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1529 v->valid = 1; | |
1565 | 1530 v->no_cacheable = 0; |
641 | 1531 v->not_found = 0; |
1532 v->data = p; | |
1533 | |
1534 return NGX_OK; | |
1535 } | |
1536 } | |
1537 | |
1538 v->not_found = 1; | |
1539 | |
1540 return NGX_OK; | |
1541 } | |
1542 | |
1543 | |
1544 static ngx_int_t | |
1545 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1546 ngx_http_variable_value_t *v, uintptr_t data) | |
1547 { | |
1548 if (r->chunked) { | |
1549 v->len = sizeof("chunked") - 1; | |
1550 v->valid = 1; | |
1565 | 1551 v->no_cacheable = 0; |
641 | 1552 v->not_found = 0; |
1553 v->data = (u_char *) "chunked"; | |
1554 | |
1555 } else { | |
1556 v->not_found = 1; | |
1557 } | |
1558 | |
1559 return NGX_OK; | |
1560 } | |
1561 | |
1562 | |
1563 static ngx_int_t | |
629 | 1564 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1565 ngx_http_variable_value_t *v, uintptr_t data) | |
1566 { | |
1567 if (r->request_complete) { | |
1568 v->len = 2; | |
1569 v->valid = 1; | |
1565 | 1570 v->no_cacheable = 0; |
629 | 1571 v->not_found = 0; |
1572 v->data = (u_char *) "OK"; | |
1573 | |
1574 return NGX_OK; | |
1575 } | |
1576 | |
1577 v->len = 0; | |
1578 v->valid = 1; | |
1565 | 1579 v->no_cacheable = 0; |
629 | 1580 v->not_found = 0; |
1581 v->data = (u_char *) ""; | |
1582 | |
1583 return NGX_OK; | |
1584 } | |
1585 | |
1586 | |
759 | 1587 static ngx_int_t |
2844 | 1588 ngx_http_variable_request_body(ngx_http_request_t *r, |
1589 ngx_http_variable_value_t *v, uintptr_t data) | |
1590 { | |
1591 u_char *p; | |
1592 size_t len; | |
1593 ngx_buf_t *buf, *next; | |
1594 ngx_chain_t *cl; | |
1595 | |
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1596 if (r->request_body == NULL |
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1597 || r->request_body->bufs == NULL |
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1598 || r->request_body->temp_file) |
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1599 { |
2844 | 1600 v->not_found = 1; |
1601 | |
1602 return NGX_OK; | |
1603 } | |
1604 | |
1605 cl = r->request_body->bufs; | |
1606 buf = cl->buf; | |
1607 | |
1608 if (cl->next == NULL) { | |
1609 v->len = buf->last - buf->pos; | |
1610 v->valid = 1; | |
1611 v->no_cacheable = 0; | |
1612 v->not_found = 0; | |
1613 v->data = buf->pos; | |
1614 | |
1615 return NGX_OK; | |
1616 } | |
1617 | |
1618 next = cl->next->buf; | |
1619 len = (buf->last - buf->pos) + (next->last - next->pos); | |
1620 | |
1621 p = ngx_pnalloc(r->pool, len); | |
1622 if (p == NULL) { | |
1623 return NGX_ERROR; | |
1624 } | |
1625 | |
1626 v->data = p; | |
1627 | |
1628 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
1629 ngx_memcpy(p, next->pos, next->last - next->pos); | |
1630 | |
1631 v->len = len; | |
1632 v->valid = 1; | |
1633 v->no_cacheable = 0; | |
1634 v->not_found = 0; | |
1635 | |
1636 return NGX_OK; | |
1637 } | |
1638 | |
1639 | |
1640 static ngx_int_t | |
759 | 1641 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
1642 ngx_http_variable_value_t *v, uintptr_t data) | |
1643 { | |
1644 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
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1645 v->not_found = 1; |
759 | 1646 |
1647 return NGX_OK; | |
1648 } | |
1649 | |
1650 v->len = r->request_body->temp_file->file.name.len; | |
1651 v->valid = 1; | |
1565 | 1652 v->no_cacheable = 0; |
759 | 1653 v->not_found = 0; |
1654 v->data = r->request_body->temp_file->file.name.data; | |
1655 | |
1656 return NGX_OK; | |
1657 } | |
1658 | |
1659 | |
1329 | 1660 static ngx_int_t |
1661 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1662 ngx_http_variable_value_t *v, uintptr_t data) | |
1663 { | |
1664 v->len = sizeof(NGINX_VERSION) - 1; | |
1665 v->valid = 1; | |
1565 | 1666 v->no_cacheable = 0; |
1329 | 1667 v->not_found = 0; |
1668 v->data = (u_char *) NGINX_VERSION; | |
1669 | |
1670 return NGX_OK; | |
1671 } | |
1672 | |
1673 | |
2011 | 1674 static ngx_int_t |
1675 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1676 ngx_http_variable_value_t *v, uintptr_t data) | |
1677 { | |
1678 v->len = ngx_cycle->hostname.len; | |
1679 v->valid = 1; | |
1680 v->no_cacheable = 0; | |
1681 v->not_found = 0; | |
1682 v->data = ngx_cycle->hostname.data; | |
1683 | |
1684 return NGX_OK; | |
1685 } | |
1686 | |
1687 | |
2249 | 1688 static ngx_int_t |
1689 ngx_http_variable_pid(ngx_http_request_t *r, | |
1690 ngx_http_variable_value_t *v, uintptr_t data) | |
1691 { | |
1692 u_char *p; | |
1693 | |
1694 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1695 if (p == NULL) { | |
1696 return NGX_ERROR; | |
1697 } | |
1698 | |
1699 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1700 v->valid = 1; | |
1701 v->no_cacheable = 0; | |
1702 v->not_found = 0; | |
1703 v->data = p; | |
1704 | |
1705 return NGX_OK; | |
1706 } | |
1707 | |
1708 | |
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1709 void * |
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1710 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
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1711 { |
3929
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1712 void *value; |
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1713 u_char *low; |
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1714 size_t len; |
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1715 ngx_uint_t key; |
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1716 |
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1717 len = match->len; |
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1718 |
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1719 if (len) { |
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1720 low = ngx_pnalloc(r->pool, len); |
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1721 if (low == NULL) { |
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1722 return NULL; |
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1723 } |
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1724 |
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1725 } else { |
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1726 low = NULL; |
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1727 } |
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1728 |
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1729 key = ngx_hash_strlow(low, match->data, len); |
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1730 |
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1731 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1732 if (value) { |
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1733 return value; |
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1734 } |
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1735 |
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1736 #if (NGX_PCRE) |
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1737 |
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1738 if (len && map->nregex) { |
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1739 ngx_int_t n; |
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|
1740 ngx_uint_t i; |
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1741 ngx_http_map_regex_t *reg; |
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1742 |
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1743 reg = map->regex; |
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1744 |
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1745 for (i = 0; i < map->nregex; i++) { |
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1746 |
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1747 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1748 |
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1749 if (n == NGX_OK) { |
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1750 return reg[i].value; |
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1751 } |
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1752 |
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1753 if (n == NGX_DECLINED) { |
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1754 continue; |
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1755 } |
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1756 |
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1757 /* NGX_ERROR */ |
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1758 |
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1759 return NULL; |
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1760 } |
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1761 } |
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1762 |
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1763 #endif |
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1764 |
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1765 return NULL; |
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1766 } |
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1767 |
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1768 |
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1769 #if (NGX_PCRE) |
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1770 |
3325 | 1771 static ngx_int_t |
1772 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
1773 uintptr_t data) | |
1774 { | |
1775 v->not_found = 1; | |
1776 return NGX_OK; | |
1777 } | |
1778 | |
1779 | |
1780 ngx_http_regex_t * | |
1781 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
1782 { | |
1783 u_char *p; | |
1784 size_t size; | |
1785 ngx_str_t name; | |
1786 ngx_uint_t i, n; | |
1787 ngx_http_variable_t *v; | |
1788 ngx_http_regex_t *re; | |
1789 ngx_http_regex_variable_t *rv; | |
1790 ngx_http_core_main_conf_t *cmcf; | |
1791 | |
1792 rc->pool = cf->pool; | |
1793 | |
1794 if (ngx_regex_compile(rc) != NGX_OK) { | |
1795 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
1796 return NULL; | |
1797 } | |
1798 | |
1799 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
1800 if (re == NULL) { | |
1801 return NULL; | |
1802 } | |
1803 | |
1804 re->regex = rc->regex; | |
1805 re->ncaptures = rc->captures; | |
1806 | |
1807 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1808 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
1809 | |
1810 n = (ngx_uint_t) rc->named_captures; | |
1811 | |
1812 if (n == 0) { | |
1813 return re; | |
1814 } | |
1815 | |
1816 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
1817 if (rv == NULL) { | |
1818 return NULL; | |
1819 } | |
1820 | |
1821 re->variables = rv; | |
1822 re->nvariables = n; | |
1823 re->name = rc->pattern; | |
1824 | |
1825 size = rc->name_size; | |
1826 p = rc->names; | |
1827 | |
1828 for (i = 0; i < n; i++) { | |
1829 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
1830 | |
1831 name.data = &p[2]; | |
1832 name.len = ngx_strlen(name.data); | |
1833 | |
1834 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
1835 if (v == NULL) { | |
1836 return NULL; | |
1837 } | |
1838 | |
1839 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
1840 if (rv[i].index == NGX_ERROR) { | |
1841 return NULL; | |
1842 } | |
1843 | |
1844 v->get_handler = ngx_http_variable_not_found; | |
1845 | |
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1846 p += size; |
3325 | 1847 } |
1848 | |
1849 return re; | |
1850 } | |
1851 | |
1852 | |
1853 ngx_int_t | |
1854 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
1855 { | |
1856 ngx_int_t rc, index; | |
1857 ngx_uint_t i, n, len; | |
1858 ngx_http_variable_value_t *vv; | |
1859 ngx_http_core_main_conf_t *cmcf; | |
1860 | |
1861 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1862 | |
1863 if (re->ncaptures) { | |
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1864 len = cmcf->ncaptures; |
3325 | 1865 |
1866 if (r->captures == NULL) { | |
1867 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
1868 if (r->captures == NULL) { | |
1869 return NGX_ERROR; | |
1870 } | |
1871 } | |
1872 | |
1873 } else { | |
1874 len = 0; | |
1875 } | |
1876 | |
1877 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
1878 | |
1879 if (rc == NGX_REGEX_NO_MATCHED) { | |
1880 return NGX_DECLINED; | |
1881 } | |
1882 | |
1883 if (rc < 0) { | |
1884 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
1885 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
1886 rc, s, &re->name); | |
1887 return NGX_ERROR; | |
1888 } | |
1889 | |
1890 for (i = 0; i < re->nvariables; i++) { | |
1891 | |
1892 n = re->variables[i].capture; | |
1893 index = re->variables[i].index; | |
1894 vv = &r->variables[index]; | |
1895 | |
1896 vv->len = r->captures[n + 1] - r->captures[n]; | |
1897 vv->valid = 1; | |
1898 vv->no_cacheable = 0; | |
1899 vv->not_found = 0; | |
1900 vv->data = &s->data[r->captures[n]]; | |
1901 | |
1902 #if (NGX_DEBUG) | |
1903 { | |
1904 ngx_http_variable_t *v; | |
1905 | |
1906 v = cmcf->variables.elts; | |
1907 | |
1908 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1909 "http regex set $%V to \"%*s\"", | |
1910 &v[index].name, vv->len, vv->data); | |
1911 } | |
1912 #endif | |
1913 } | |
1914 | |
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1915 r->ncaptures = rc * 2; |
3325 | 1916 r->captures_data = s->data; |
1917 | |
1918 return NGX_OK; | |
1919 } | |
1920 | |
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1921 #endif |
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1922 |
3325 | 1923 |
499 | 1924 ngx_int_t |
509 | 1925 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1926 { |
611 | 1927 ngx_int_t rc; |
1928 ngx_http_variable_t *v; | |
501 | 1929 ngx_http_core_main_conf_t *cmcf; |
499 | 1930 |
509 | 1931 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1932 | |
611 | 1933 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1934 sizeof(ngx_hash_keys_arrays_t)); | |
1935 if (cmcf->variables_keys == NULL) { | |
1936 return NGX_ERROR; | |
1937 } | |
1938 | |
1939 cmcf->variables_keys->pool = cf->pool; | |
1940 cmcf->variables_keys->temp_pool = cf->pool; | |
1941 | |
1942 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1943 != NGX_OK) | |
509 | 1944 { |
499 | 1945 return NGX_ERROR; |
1946 } | |
1947 | |
611 | 1948 for (v = ngx_http_core_variables; v->name.len; v++) { |
1949 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1950 NGX_HASH_READONLY_KEY); | |
1951 | |
1952 if (rc == NGX_OK) { | |
1953 continue; | |
499 | 1954 } |
1955 | |
611 | 1956 if (rc == NGX_BUSY) { |
1957 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1958 "conflicting variable name \"%V\"", &v->name); | |
1959 } | |
1960 | |
1961 return NGX_ERROR; | |
499 | 1962 } |
1963 | |
1964 return NGX_OK; | |
1965 } | |
509 | 1966 |
1967 | |
1968 ngx_int_t | |
1969 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1970 { | |
1971 ngx_uint_t i, n; | |
611 | 1972 ngx_hash_key_t *key; |
1973 ngx_hash_init_t hash; | |
509 | 1974 ngx_http_variable_t *v, *av; |
1975 ngx_http_core_main_conf_t *cmcf; | |
1976 | |
1977 /* set the handlers for the indexed http variables */ | |
1978 | |
1979 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1980 | |
1981 v = cmcf->variables.elts; | |
611 | 1982 key = cmcf->variables_keys->keys.elts; |
509 | 1983 |
1984 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1985 | |
611 | 1986 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1987 |
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1988 av = key[n].value; |
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1989 |
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1990 if (av->get_handler |
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1991 && v[i].name.len == key[n].key.len |
611 | 1992 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1993 == 0) |
1994 { | |
637 | 1995 v[i].get_handler = av->get_handler; |
611 | 1996 v[i].data = av->data; |
527 | 1997 |
611 | 1998 av->flags |= NGX_HTTP_VAR_INDEXED; |
1999 v[i].flags = av->flags; | |
509 | 2000 |
611 | 2001 av->index = i; |
533 | 2002 |
509 | 2003 goto next; |
2004 } | |
2005 } | |
2006 | |
2007 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 2008 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 2009 v[i].data = (uintptr_t) &v[i].name; |
2010 | |
2011 continue; | |
2012 } | |
2013 | |
2014 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 2015 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 2016 v[i].data = (uintptr_t) &v[i].name; |
2017 | |
2018 continue; | |
2019 } | |
2020 | |
1162 | 2021 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
2022 v[i].get_handler = ngx_http_upstream_header_variable; | |
2023 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 2024 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 2025 |
2026 continue; | |
2027 } | |
2028 | |
2307 | 2029 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
2030 v[i].get_handler = ngx_http_variable_cookie; | |
2031 v[i].data = (uintptr_t) &v[i].name; | |
2032 | |
2033 continue; | |
2034 } | |
2035 | |
2137 | 2036 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
2037 v[i].get_handler = ngx_http_variable_argument; | |
2038 v[i].data = (uintptr_t) &v[i].name; | |
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2039 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
2137 | 2040 |
2041 continue; | |
2042 } | |
2043 | |
509 | 2044 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
2045 "unknown \"%V\" variable", &v[i].name); | |
2046 | |
2047 return NGX_ERROR; | |
2048 | |
2049 next: | |
2050 continue; | |
2051 } | |
2052 | |
2053 | |
611 | 2054 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
2055 av = key[n].value; | |
2056 | |
2057 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
2058 key[n].key.data = NULL; | |
583 | 2059 } |
2060 } | |
2061 | |
2062 | |
611 | 2063 hash.hash = &cmcf->variables_hash; |
2064 hash.key = ngx_hash_key; | |
2065 hash.max_size = cmcf->variables_hash_max_size; | |
2066 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
2067 hash.name = "variables_hash"; | |
2068 hash.pool = cf->pool; | |
2069 hash.temp_pool = NULL; | |
509 | 2070 |
611 | 2071 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
2072 cmcf->variables_keys->keys.nelts) | |
581 | 2073 != NGX_OK) |
509 | 2074 { |
2075 return NGX_ERROR; | |
2076 } | |
2077 | |
611 | 2078 cmcf->variables_keys = NULL; |
509 | 2079 |
2080 return NGX_OK; | |
2081 } |