Mercurial > hg > nginx-quic
annotate src/http/ngx_http_variables.c @ 3464:7f99ce2247f9
add OpenSSL_add_all_algorithms(), this fixes the error
"ASN1_item_verify:unknown message digest algorithm" occurred if
client certificate is signed using sha256WithRSAEncryption
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 03 Mar 2010 16:23:14 +0000 |
parents | 0904bd7d5b37 |
children | b4a14d50388b |
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); | |
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17 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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18 ngx_http_variable_value_t *v, uintptr_t data); |
637 | 19 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
20 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 21 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
22 ngx_http_variable_value_t *v, uintptr_t data); | |
23 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
24 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 25 |
26 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 27 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 28 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
29 ngx_http_variable_value_t *v, uintptr_t data); | |
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30 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
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31 ngx_http_variable_value_t *v, uintptr_t data); |
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32 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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33 ngx_http_variable_value_t *v, uintptr_t data); |
2137 | 34 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
35 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 36 |
573 | 37 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
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39 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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40 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 41 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
43 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
44 ngx_http_variable_value_t *v, uintptr_t data); | |
45 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
46 ngx_http_variable_value_t *v, uintptr_t data); | |
47 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
48 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 49 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
50 ngx_http_variable_value_t *v, uintptr_t data); | |
1351 | 51 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
52 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 53 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
54 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 55 static ngx_int_t ngx_http_variable_realpath_root(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_filename(ngx_http_request_t *r, |
58 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 59 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
60 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 61 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
62 ngx_http_variable_value_t *v, uintptr_t data); | |
63 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
64 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 65 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
66 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 67 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
68 ngx_http_variable_value_t *v, uintptr_t data); | |
2844 | 69 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
70 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 71 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
72 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 73 |
641 | 74 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
75 ngx_http_variable_value_t *v, uintptr_t data); | |
76 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
77 ngx_http_variable_value_t *v, uintptr_t data); | |
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78 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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79 ngx_http_variable_value_t *v, uintptr_t data); |
641 | 80 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
81 ngx_http_variable_value_t *v, uintptr_t data); | |
82 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
84 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
85 ngx_http_variable_value_t *v, uintptr_t data); | |
86 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
87 ngx_http_variable_value_t *v, uintptr_t data); | |
88 | |
1329 | 89 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
90 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 91 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
92 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 93 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
94 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 95 |
509 | 96 /* |
97 * TODO: | |
98 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
99 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
100 * SERVER_SOFTWARE | |
101 * | |
571 | 102 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 103 */ |
499 | 104 |
641 | 105 /* |
106 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
107 * and $http_x_forwarded_for variables may be handled by generic | |
108 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
109 * they are handled using dedicated entries | |
110 */ | |
111 | |
509 | 112 static ngx_http_variable_t ngx_http_core_variables[] = { |
113 | |
637 | 114 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 115 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 116 |
637 | 117 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 118 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 119 |
637 | 120 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 121 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 122 |
123 #if (NGX_HTTP_GZIP) | |
637 | 124 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 125 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 126 #endif |
127 | |
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128 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
637 | 129 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 130 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 131 #endif |
132 | |
637 | 133 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 134 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 135 |
637 | 136 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 137 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 138 |
637 | 139 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 140 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 141 |
637 | 142 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 143 |
982 | 144 { ngx_string("binary_remote_addr"), NULL, |
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145 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 146 |
637 | 147 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 148 |
637 | 149 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 150 |
637 | 151 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 152 |
637 | 153 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 154 |
637 | 155 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 156 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 157 |
731 | 158 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
159 | |
637 | 160 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 161 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 162 |
637 | 163 { ngx_string("uri"), NULL, ngx_http_variable_request, |
164 offsetof(ngx_http_request_t, uri), | |
1565 | 165 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 166 |
167 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 168 offsetof(ngx_http_request_t, uri), |
1565 | 169 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 170 |
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171 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
569 | 172 |
637 | 173 { ngx_string("document_root"), NULL, |
1565 | 174 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 175 |
2259 | 176 { ngx_string("realpath_root"), NULL, |
177 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
178 | |
637 | 179 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 180 offsetof(ngx_http_request_t, args), |
1565 | 181 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 182 |
1350 | 183 { ngx_string("args"), |
184 ngx_http_variable_request_set, | |
185 ngx_http_variable_request, | |
589 | 186 offsetof(ngx_http_request_t, args), |
1565 | 187 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 188 |
1351 | 189 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 190 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 191 |
637 | 192 { ngx_string("request_filename"), NULL, |
193 ngx_http_variable_request_filename, 0, | |
1565 | 194 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 195 |
1811 | 196 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 197 |
637 | 198 { ngx_string("request_method"), NULL, |
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199 ngx_http_variable_request_method, 0, |
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200 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 201 |
637 | 202 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 203 |
637 | 204 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 205 0, 0, 0 }, |
206 | |
637 | 207 { ngx_string("request_completion"), NULL, |
208 ngx_http_variable_request_completion, | |
629 | 209 0, 0, 0 }, |
210 | |
2844 | 211 { ngx_string("request_body"), NULL, |
212 ngx_http_variable_request_body, | |
213 0, 0, 0 }, | |
214 | |
759 | 215 { ngx_string("request_body_file"), NULL, |
216 ngx_http_variable_request_body_file, | |
217 0, 0, 0 }, | |
218 | |
641 | 219 { ngx_string("sent_http_content_type"), NULL, |
220 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
221 | |
222 { ngx_string("sent_http_content_length"), NULL, | |
223 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
224 | |
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225 { ngx_string("sent_http_location"), NULL, |
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226 ngx_http_variable_sent_location, 0, 0, 0 }, |
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227 |
641 | 228 { ngx_string("sent_http_last_modified"), NULL, |
229 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
230 | |
231 { ngx_string("sent_http_connection"), NULL, | |
232 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
233 | |
234 { ngx_string("sent_http_keep_alive"), NULL, | |
235 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
236 | |
237 { ngx_string("sent_http_transfer_encoding"), NULL, | |
238 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
239 | |
240 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
241 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
242 | |
637 | 243 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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244 ngx_http_variable_request_get_size, |
637 | 245 offsetof(ngx_http_request_t, limit_rate), |
1565 | 246 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 247 |
1329 | 248 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
249 0, 0, 0 }, | |
250 | |
2011 | 251 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
252 0, 0, 0 }, | |
253 | |
2249 | 254 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
255 0, 0, 0 }, | |
256 | |
637 | 257 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 258 }; |
259 | |
260 | |
577 | 261 ngx_http_variable_value_t ngx_http_variable_null_value = |
262 ngx_http_variable(""); | |
263 ngx_http_variable_value_t ngx_http_variable_true_value = | |
264 ngx_http_variable("1"); | |
265 | |
266 | |
499 | 267 ngx_http_variable_t * |
509 | 268 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
269 { | |
611 | 270 ngx_int_t rc; |
509 | 271 ngx_uint_t i; |
611 | 272 ngx_hash_key_t *key; |
509 | 273 ngx_http_variable_t *v; |
274 ngx_http_core_main_conf_t *cmcf; | |
275 | |
276 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
277 | |
611 | 278 key = cmcf->variables_keys->keys.elts; |
279 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
280 if (name->len != key[i].key.len | |
281 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 282 { |
283 continue; | |
284 } | |
285 | |
611 | 286 v = key[i].value; |
287 | |
1565 | 288 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 289 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
290 "the duplicate \"%V\" variable", name); | |
291 return NULL; | |
292 } | |
293 | |
611 | 294 return v; |
509 | 295 } |
296 | |
611 | 297 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 298 if (v == NULL) { |
299 return NULL; | |
300 } | |
301 | |
302 v->name.len = name->len; | |
2049 | 303 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 304 if (v->name.data == NULL) { |
305 return NULL; | |
306 } | |
307 | |
2135 | 308 ngx_strlow(v->name.data, name->data, name->len); |
509 | 309 |
637 | 310 v->set_handler = NULL; |
311 v->get_handler = NULL; | |
509 | 312 v->data = 0; |
313 v->flags = flags; | |
533 | 314 v->index = 0; |
509 | 315 |
611 | 316 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
317 | |
318 if (rc == NGX_ERROR) { | |
319 return NULL; | |
320 } | |
321 | |
322 if (rc == NGX_BUSY) { | |
323 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
324 "conflicting variable name \"%V\"", name); | |
325 return NULL; | |
326 } | |
327 | |
509 | 328 return v; |
329 } | |
330 | |
331 | |
332 ngx_int_t | |
333 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 334 { |
501 | 335 ngx_uint_t i; |
336 ngx_http_variable_t *v; | |
499 | 337 ngx_http_core_main_conf_t *cmcf; |
338 | |
339 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
340 | |
501 | 341 v = cmcf->variables.elts; |
342 | |
343 if (v == NULL) { | |
499 | 344 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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345 sizeof(ngx_http_variable_t)) |
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346 != NGX_OK) |
499 | 347 { |
509 | 348 return NGX_ERROR; |
499 | 349 } |
501 | 350 |
351 } else { | |
352 for (i = 0; i < cmcf->variables.nelts; i++) { | |
353 if (name->len != v[i].name.len | |
354 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
355 { | |
356 continue; | |
357 } | |
358 | |
509 | 359 return i; |
501 | 360 } |
499 | 361 } |
362 | |
501 | 363 v = ngx_array_push(&cmcf->variables); |
364 if (v == NULL) { | |
509 | 365 return NGX_ERROR; |
499 | 366 } |
367 | |
501 | 368 v->name.len = name->len; |
2049 | 369 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 370 if (v->name.data == NULL) { |
509 | 371 return NGX_ERROR; |
501 | 372 } |
499 | 373 |
2135 | 374 ngx_strlow(v->name.data, name->data, name->len); |
501 | 375 |
637 | 376 v->set_handler = NULL; |
377 v->get_handler = NULL; | |
501 | 378 v->data = 0; |
509 | 379 v->flags = 0; |
533 | 380 v->index = cmcf->variables.nelts - 1; |
501 | 381 |
509 | 382 return cmcf->variables.nelts - 1; |
499 | 383 } |
384 | |
385 | |
386 ngx_http_variable_value_t * | |
387 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
388 { | |
501 | 389 ngx_http_variable_t *v; |
499 | 390 ngx_http_core_main_conf_t *cmcf; |
391 | |
392 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
393 | |
553 | 394 if (cmcf->variables.nelts <= index) { |
499 | 395 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
396 "unknown variable index: %d", index); | |
397 return NULL; | |
398 } | |
399 | |
573 | 400 if (r->variables[index].not_found || r->variables[index].valid) { |
401 return &r->variables[index]; | |
501 | 402 } |
499 | 403 |
501 | 404 v = cmcf->variables.elts; |
499 | 405 |
637 | 406 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
407 == NGX_OK) | |
408 { | |
1565 | 409 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
410 r->variables[index].no_cacheable = 1; | |
499 | 411 } |
573 | 412 |
413 return &r->variables[index]; | |
499 | 414 } |
415 | |
657 | 416 r->variables[index].valid = 0; |
417 r->variables[index].not_found = 1; | |
418 | |
798 | 419 return NULL; |
573 | 420 } |
421 | |
422 | |
423 ngx_http_variable_value_t * | |
424 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
425 { | |
1150 | 426 ngx_http_variable_value_t *v; |
573 | 427 |
428 v = &r->variables[index]; | |
429 | |
430 if (v->valid) { | |
1565 | 431 if (!v->no_cacheable) { |
573 | 432 return v; |
433 } | |
434 | |
435 v->valid = 0; | |
436 v->not_found = 0; | |
509 | 437 } |
501 | 438 |
573 | 439 return ngx_http_get_indexed_variable(r, index); |
499 | 440 } |
441 | |
442 | |
443 ngx_http_variable_value_t * | |
635 | 444 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
445 ngx_uint_t nowarn) | |
499 | 446 { |
501 | 447 ngx_http_variable_t *v; |
573 | 448 ngx_http_variable_value_t *vv; |
499 | 449 ngx_http_core_main_conf_t *cmcf; |
450 | |
451 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
452 | |
611 | 453 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 454 |
611 | 455 if (v) { |
456 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
457 return ngx_http_get_indexed_variable(r, v->index); | |
519 | 458 |
459 } else { | |
499 | 460 |
573 | 461 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 462 |
637 | 463 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 464 return vv; |
465 } | |
509 | 466 |
573 | 467 return NULL; |
468 } | |
509 | 469 } |
470 | |
471 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
472 if (vv == NULL) { | |
473 return NULL; | |
474 } | |
475 | |
573 | 476 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 477 |
577 | 478 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
479 == NGX_OK) | |
480 { | |
481 return vv; | |
482 } | |
483 | |
484 return NULL; | |
485 } | |
486 | |
487 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
488 | |
489 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
490 == NGX_OK) | |
573 | 491 { |
492 return vv; | |
493 } | |
499 | 494 |
495 return NULL; | |
496 } | |
497 | |
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498 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
1162 | 499 |
500 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
501 == NGX_OK) | |
502 { | |
503 return vv; | |
504 } | |
505 | |
506 return NULL; | |
507 } | |
508 | |
2307 | 509 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
510 | |
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511 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
2307 | 512 return vv; |
513 } | |
514 | |
515 return NULL; | |
516 } | |
517 | |
2137 | 518 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
519 | |
520 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
521 return vv; | |
522 } | |
523 | |
524 return NULL; | |
525 } | |
526 | |
635 | 527 vv->not_found = 1; |
573 | 528 |
635 | 529 if (nowarn == 0) { |
530 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
531 "unknown \"%V\" variable", name); | |
532 } | |
499 | 533 |
501 | 534 return vv; |
499 | 535 } |
536 | |
537 | |
573 | 538 static ngx_int_t |
539 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
540 uintptr_t data) | |
541 { | |
542 ngx_str_t *s; | |
543 | |
544 s = (ngx_str_t *) ((char *) r + data); | |
545 | |
546 if (s->data) { | |
547 v->len = s->len; | |
548 v->valid = 1; | |
1565 | 549 v->no_cacheable = 0; |
573 | 550 v->not_found = 0; |
551 v->data = s->data; | |
552 | |
553 } else { | |
554 v->not_found = 1; | |
555 } | |
556 | |
557 return NGX_OK; | |
558 } | |
559 | |
560 | |
637 | 561 static void |
1350 | 562 ngx_http_variable_request_set(ngx_http_request_t *r, |
563 ngx_http_variable_value_t *v, uintptr_t data) | |
564 { | |
565 ngx_str_t *s; | |
566 | |
567 s = (ngx_str_t *) ((char *) r + data); | |
568 | |
569 s->len = v->len; | |
570 s->data = v->data; | |
571 } | |
572 | |
573 | |
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574 static ngx_int_t |
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575 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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576 ngx_http_variable_value_t *v, uintptr_t data) |
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577 { |
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578 size_t *sp; |
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579 |
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580 sp = (size_t *) ((char *) r + data); |
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581 |
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582 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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583 if (v->data == NULL) { |
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584 return NGX_ERROR; |
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585 } |
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586 |
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587 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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588 v->valid = 1; |
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589 v->no_cacheable = 0; |
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590 v->not_found = 0; |
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591 |
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592 return NGX_OK; |
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593 } |
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594 |
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595 |
1350 | 596 static void |
637 | 597 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
598 ngx_http_variable_value_t *v, uintptr_t data) | |
599 { | |
600 ssize_t s, *sp; | |
601 ngx_str_t val; | |
602 | |
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603 val.len = v->len; |
637 | 604 val.data = v->data; |
605 | |
606 s = ngx_parse_size(&val); | |
607 | |
608 if (s == NGX_ERROR) { | |
609 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
610 "invalid size \"%V\"", &val); | |
611 return; | |
612 } | |
613 | |
614 sp = (ssize_t *) ((char *) r + data); | |
615 | |
616 *sp = s; | |
617 | |
618 return; | |
619 } | |
620 | |
621 | |
573 | 622 static ngx_int_t |
623 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
624 uintptr_t data) | |
515 | 625 { |
573 | 626 ngx_table_elt_t *h; |
627 | |
628 h = *(ngx_table_elt_t **) ((char *) r + data); | |
629 | |
630 if (h) { | |
631 v->len = h->value.len; | |
632 v->valid = 1; | |
1565 | 633 v->no_cacheable = 0; |
573 | 634 v->not_found = 0; |
635 v->data = h->value.data; | |
636 | |
637 } else { | |
638 v->not_found = 1; | |
639 } | |
640 | |
641 return NGX_OK; | |
642 } | |
643 | |
644 | |
645 static ngx_int_t | |
646 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
647 uintptr_t data) | |
648 { | |
667 | 649 ssize_t len; |
573 | 650 u_char *p; |
667 | 651 ngx_uint_t i, n; |
573 | 652 ngx_array_t *a; |
653 ngx_table_elt_t **h; | |
515 | 654 |
655 a = (ngx_array_t *) ((char *) r + data); | |
656 | |
667 | 657 n = a->nelts; |
658 | |
659 if (n == 0) { | |
573 | 660 v->not_found = 1; |
661 return NGX_OK; | |
515 | 662 } |
663 | |
573 | 664 v->valid = 1; |
1565 | 665 v->no_cacheable = 0; |
573 | 666 v->not_found = 0; |
515 | 667 |
668 h = a->elts; | |
669 | |
667 | 670 if (n == 1) { |
573 | 671 v->len = (*h)->value.len; |
672 v->data = (*h)->value.data; | |
515 | 673 |
573 | 674 return NGX_OK; |
515 | 675 } |
676 | |
667 | 677 len = - (ssize_t) (sizeof("; ") - 1); |
573 | 678 |
667 | 679 for (i = 0; i < n; i++) { |
573 | 680 len += h[i]->value.len + sizeof("; ") - 1; |
515 | 681 } |
682 | |
2049 | 683 p = ngx_pnalloc(r->pool, len); |
573 | 684 if (p == NULL) { |
685 return NGX_ERROR; | |
686 } | |
687 | |
688 v->len = len; | |
689 v->data = p; | |
515 | 690 |
691 for (i = 0; /* void */ ; i++) { | |
573 | 692 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 693 |
667 | 694 if (i == n - 1) { |
515 | 695 break; |
696 } | |
697 | |
698 *p++ = ';'; *p++ = ' '; | |
699 } | |
700 | |
573 | 701 return NGX_OK; |
515 | 702 } |
703 | |
704 | |
573 | 705 static ngx_int_t |
577 | 706 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
707 ngx_http_variable_value_t *v, uintptr_t data) | |
708 { | |
709 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
710 &r->headers_in.headers.part, | |
711 sizeof("http_") - 1); | |
712 } | |
713 | |
714 | |
715 static ngx_int_t | |
716 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 717 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 718 { |
577 | 719 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
720 &r->headers_out.headers.part, | |
721 sizeof("sent_http_") - 1); | |
722 } | |
501 | 723 |
577 | 724 |
1162 | 725 ngx_int_t |
577 | 726 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
727 ngx_list_part_t *part, size_t prefix) | |
728 { | |
573 | 729 u_char ch; |
730 ngx_uint_t i, n; | |
731 ngx_table_elt_t *header; | |
499 | 732 |
733 header = part->elts; | |
734 | |
735 for (i = 0; /* void */ ; i++) { | |
736 | |
737 if (i >= part->nelts) { | |
738 if (part->next == NULL) { | |
739 break; | |
740 } | |
741 | |
742 part = part->next; | |
743 header = part->elts; | |
744 i = 0; | |
745 } | |
746 | |
577 | 747 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 748 ch = header[i].key.data[n]; |
749 | |
509 | 750 if (ch >= 'A' && ch <= 'Z') { |
751 ch |= 0x20; | |
499 | 752 |
753 } else if (ch == '-') { | |
754 ch = '_'; | |
755 } | |
756 | |
577 | 757 if (var->data[n + prefix] != ch) { |
499 | 758 break; |
759 } | |
760 } | |
761 | |
742
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762 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 763 v->len = header[i].value.len; |
764 v->valid = 1; | |
1565 | 765 v->no_cacheable = 0; |
573 | 766 v->not_found = 0; |
767 v->data = header[i].value.data; | |
499 | 768 |
573 | 769 return NGX_OK; |
499 | 770 } |
771 } | |
772 | |
573 | 773 v->not_found = 1; |
774 | |
775 return NGX_OK; | |
509 | 776 } |
777 | |
778 | |
573 | 779 static ngx_int_t |
3144
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780 ngx_http_variable_request_line(ngx_http_request_t *r, |
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781 ngx_http_variable_value_t *v, uintptr_t data) |
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782 { |
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783 u_char *p, *s; |
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784 |
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785 s = r->request_line.data; |
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786 |
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787 if (s == NULL) { |
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788 s = r->request_start; |
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789 |
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790 if (s == NULL) { |
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791 v->not_found = 1; |
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792 return NGX_OK; |
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793 } |
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794 |
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795 for (p = s; p < r->header_in->last; p++) { |
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796 if (*p == CR || *p == LF) { |
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797 break; |
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798 } |
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799 } |
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800 |
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801 r->request_line.len = p - s; |
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802 r->request_line.data = s; |
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803 } |
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804 |
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805 v->len = r->request_line.len; |
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806 v->valid = 1; |
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807 v->no_cacheable = 0; |
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808 v->not_found = 0; |
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809 v->data = s; |
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810 |
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811 return NGX_OK; |
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812 } |
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813 |
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814 |
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815 static ngx_int_t |
2307 | 816 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
817 uintptr_t data) | |
818 { | |
819 ngx_str_t *name = (ngx_str_t *) data; | |
820 | |
821 ngx_str_t cookie, s; | |
822 | |
823 s.len = name->len - (sizeof("cookie_") - 1); | |
824 s.data = name->data + sizeof("cookie_") - 1; | |
825 | |
826 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
827 == NGX_DECLINED) | |
828 { | |
829 v->not_found = 1; | |
830 return NGX_OK; | |
831 } | |
832 | |
833 v->len = cookie.len; | |
834 v->valid = 1; | |
835 v->no_cacheable = 0; | |
836 v->not_found = 0; | |
837 v->data = cookie.data; | |
838 | |
839 return NGX_OK; | |
840 } | |
841 | |
842 | |
843 static ngx_int_t | |
2137 | 844 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
845 uintptr_t data) | |
846 { | |
847 ngx_str_t *name = (ngx_str_t *) data; | |
848 | |
2415 | 849 u_char *arg; |
850 size_t len; | |
851 ngx_str_t value; | |
2137 | 852 |
2415 | 853 len = name->len - (sizeof("arg_") - 1); |
854 arg = name->data + sizeof("arg_") - 1; | |
855 | |
856 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
2137 | 857 v->not_found = 1; |
858 return NGX_OK; | |
859 } | |
860 | |
2415 | 861 v->data = value.data; |
862 v->len = value.len; | |
863 v->valid = 1; | |
864 v->no_cacheable = 0; | |
865 v->not_found = 0; | |
2137 | 866 |
867 return NGX_OK; | |
868 } | |
869 | |
870 | |
871 static ngx_int_t | |
573 | 872 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
873 uintptr_t data) | |
509 | 874 { |
1811 | 875 ngx_http_core_srv_conf_t *cscf; |
876 | |
2007
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877 if (r->headers_in.server.len) { |
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878 v->len = r->headers_in.server.len; |
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879 v->data = r->headers_in.server.data; |
928
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880 |
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881 } else { |
2007
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882 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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883 |
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884 v->len = cscf->server_name.len; |
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885 v->data = cscf->server_name.data; |
509 | 886 } |
887 | |
573 | 888 v->valid = 1; |
1565 | 889 v->no_cacheable = 0; |
573 | 890 v->not_found = 0; |
509 | 891 |
573 | 892 return NGX_OK; |
499 | 893 } |
894 | |
895 | |
573 | 896 static ngx_int_t |
983
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897 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 898 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 899 { |
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900 struct sockaddr_in *sin; |
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901 #if (NGX_HAVE_INET6) |
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902 struct sockaddr_in6 *sin6; |
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903 #endif |
982 | 904 |
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905 switch (r->connection->sockaddr->sa_family) { |
983
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906 |
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907 #if (NGX_HAVE_INET6) |
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908 case AF_INET6: |
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909 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
982 | 910 |
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911 v->len = sizeof(struct in6_addr); |
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912 v->valid = 1; |
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913 v->no_cacheable = 0; |
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|
914 v->not_found = 0; |
3268
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915 v->data = sin6->sin6_addr.s6_addr; |
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916 |
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917 break; |
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918 #endif |
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919 |
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920 default: /* AF_INET */ |
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921 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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922 |
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923 v->len = sizeof(in_addr_t); |
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924 v->valid = 1; |
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925 v->no_cacheable = 0; |
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926 v->not_found = 0; |
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927 v->data = (u_char *) &sin->sin_addr; |
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928 |
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929 break; |
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930 } |
982 | 931 |
983
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932 return NGX_OK; |
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933 } |
982 | 934 |
935 | |
983
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936 static ngx_int_t |
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937 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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diff
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|
938 ngx_http_variable_value_t *v, uintptr_t data) |
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939 { |
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|
940 v->len = r->connection->addr_text.len; |
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|
941 v->valid = 1; |
1565 | 942 v->no_cacheable = 0; |
983
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|
943 v->not_found = 0; |
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diff
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|
944 v->data = r->connection->addr_text.data; |
499 | 945 |
573 | 946 return NGX_OK; |
499 | 947 } |
948 | |
949 | |
573 | 950 static ngx_int_t |
951 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
952 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 953 { |
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954 ngx_uint_t port; |
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955 struct sockaddr_in *sin; |
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956 #if (NGX_HAVE_INET6) |
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957 struct sockaddr_in6 *sin6; |
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958 #endif |
509 | 959 |
573 | 960 v->len = 0; |
961 v->valid = 1; | |
1565 | 962 v->no_cacheable = 0; |
573 | 963 v->not_found = 0; |
509 | 964 |
2049 | 965 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 966 if (v->data == NULL) { |
967 return NGX_ERROR; | |
509 | 968 } |
969 | |
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970 switch (r->connection->sockaddr->sa_family) { |
577 | 971 |
2512
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972 #if (NGX_HAVE_INET6) |
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973 case AF_INET6: |
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974 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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975 port = ntohs(sin6->sin6_port); |
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976 break; |
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977 #endif |
577 | 978 |
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979 default: /* AF_INET */ |
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980 sin = (struct sockaddr_in *) r->connection->sockaddr; |
509 | 981 port = ntohs(sin->sin_port); |
2512
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982 break; |
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983 } |
577 | 984 |
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985 if (port > 0 && port < 65536) { |
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986 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 987 } |
988 | |
573 | 989 return NGX_OK; |
509 | 990 } |
991 | |
992 | |
573 | 993 static ngx_int_t |
994 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
995 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 996 { |
1805 | 997 ngx_str_t s; |
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998 u_char addr[NGX_SOCKADDR_STRLEN]; |
499 | 999 |
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1000 s.len = NGX_SOCKADDR_STRLEN; |
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1001 s.data = addr; |
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1002 |
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1003 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1004 return NGX_ERROR; |
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1005 } |
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1006 |
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|
1007 s.data = ngx_pnalloc(r->pool, s.len); |
1805 | 1008 if (s.data == NULL) { |
573 | 1009 return NGX_ERROR; |
509 | 1010 } |
1011 | |
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1012 ngx_memcpy(s.data, addr, s.len); |
509 | 1013 |
1805 | 1014 v->len = s.len; |
573 | 1015 v->valid = 1; |
1565 | 1016 v->no_cacheable = 0; |
573 | 1017 v->not_found = 0; |
1805 | 1018 v->data = s.data; |
499 | 1019 |
573 | 1020 return NGX_OK; |
499 | 1021 } |
1022 | |
1023 | |
573 | 1024 static ngx_int_t |
1025 ngx_http_variable_server_port(ngx_http_request_t *r, | |
1026 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1027 { |
2533 | 1028 ngx_uint_t port; |
1029 struct sockaddr_in *sin; | |
1030 #if (NGX_HAVE_INET6) | |
1031 struct sockaddr_in6 *sin6; | |
1032 #endif | |
1033 | |
1034 v->len = 0; | |
573 | 1035 v->valid = 1; |
1565 | 1036 v->no_cacheable = 0; |
573 | 1037 v->not_found = 0; |
2533 | 1038 |
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1039 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
2533 | 1040 return NGX_ERROR; |
1041 } | |
1042 | |
1043 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
1044 if (v->data == NULL) { | |
1045 return NGX_ERROR; | |
1046 } | |
1047 | |
1048 switch (r->connection->local_sockaddr->sa_family) { | |
1049 | |
1050 #if (NGX_HAVE_INET6) | |
1051 case AF_INET6: | |
1052 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
1053 port = ntohs(sin6->sin6_port); | |
1054 break; | |
1055 #endif | |
1056 | |
1057 default: /* AF_INET */ | |
1058 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
1059 port = ntohs(sin->sin_port); | |
1060 break; | |
1061 } | |
1062 | |
1063 if (port > 0 && port < 65536) { | |
1064 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
1065 } | |
509 | 1066 |
573 | 1067 return NGX_OK; |
509 | 1068 } |
1069 | |
1070 | |
573 | 1071 static ngx_int_t |
731 | 1072 ngx_http_variable_scheme(ngx_http_request_t *r, |
1073 ngx_http_variable_value_t *v, uintptr_t data) | |
1074 { | |
1075 #if (NGX_HTTP_SSL) | |
1076 | |
1077 if (r->connection->ssl) { | |
1078 v->len = sizeof("https") - 1; | |
1079 v->valid = 1; | |
1565 | 1080 v->no_cacheable = 0; |
731 | 1081 v->not_found = 0; |
732 | 1082 v->data = (u_char *) "https"; |
731 | 1083 |
1084 return NGX_OK; | |
1085 } | |
1086 | |
1087 #endif | |
1088 | |
1089 v->len = sizeof("http") - 1; | |
1090 v->valid = 1; | |
1565 | 1091 v->no_cacheable = 0; |
731 | 1092 v->not_found = 0; |
732 | 1093 v->data = (u_char *) "http"; |
731 | 1094 |
1095 return NGX_OK; | |
1096 } | |
1097 | |
1098 | |
1099 static ngx_int_t | |
1351 | 1100 ngx_http_variable_is_args(ngx_http_request_t *r, |
1101 ngx_http_variable_value_t *v, uintptr_t data) | |
1102 { | |
1103 v->valid = 1; | |
1565 | 1104 v->no_cacheable = 0; |
1351 | 1105 v->not_found = 0; |
1106 | |
1107 if (r->args.len == 0) { | |
1108 v->len = 0; | |
1109 v->data = NULL; | |
1110 return NGX_OK; | |
1111 } | |
1112 | |
1113 v->len = 1; | |
1114 v->data = (u_char *) "?"; | |
1115 | |
1116 return NGX_OK; | |
1117 } | |
1118 | |
1119 | |
1120 static ngx_int_t | |
573 | 1121 ngx_http_variable_document_root(ngx_http_request_t *r, |
1122 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1123 { |
671 | 1124 ngx_str_t path; |
573 | 1125 ngx_http_core_loc_conf_t *clcf; |
509 | 1126 |
1127 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1128 | |
671 | 1129 if (clcf->root_lengths == NULL) { |
1130 v->len = clcf->root.len; | |
1131 v->valid = 1; | |
1565 | 1132 v->no_cacheable = 0; |
671 | 1133 v->not_found = 0; |
1134 v->data = clcf->root.data; | |
1135 | |
1136 } else { | |
1137 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1138 clcf->root_values->elts) | |
1139 == NULL) | |
1140 { | |
1141 return NGX_ERROR; | |
1142 } | |
1143 | |
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1144 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
671 | 1145 return NGX_ERROR; |
1146 } | |
1147 | |
1148 v->len = path.len; | |
1149 v->valid = 1; | |
1565 | 1150 v->no_cacheable = 0; |
671 | 1151 v->not_found = 0; |
1152 v->data = path.data; | |
1153 } | |
509 | 1154 |
573 | 1155 return NGX_OK; |
509 | 1156 } |
1157 | |
1158 | |
573 | 1159 static ngx_int_t |
2259 | 1160 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1161 ngx_http_variable_value_t *v, uintptr_t data) | |
1162 { | |
1163 size_t len; | |
1164 ngx_str_t path; | |
1165 ngx_http_core_loc_conf_t *clcf; | |
1166 u_char real[NGX_MAX_PATH]; | |
1167 | |
1168 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1169 | |
1170 if (clcf->root_lengths == NULL) { | |
1171 path = clcf->root; | |
1172 | |
1173 } else { | |
1174 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1175 clcf->root_values->elts) | |
1176 == NULL) | |
1177 { | |
1178 return NGX_ERROR; | |
1179 } | |
1180 | |
1181 path.data[path.len - 1] = '\0'; | |
1182 | |
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1183 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
2259 | 1184 return NGX_ERROR; |
1185 } | |
1186 } | |
1187 | |
1188 if (ngx_realpath(path.data, real) == NULL) { | |
1189 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1190 ngx_realpath_n " \"%s\" failed", path.data); | |
1191 return NGX_ERROR; | |
1192 } | |
1193 | |
1194 len = ngx_strlen(real); | |
1195 | |
1196 v->data = ngx_pnalloc(r->pool, len); | |
1197 if (v->data == NULL) { | |
1198 return NGX_ERROR; | |
1199 } | |
1200 | |
1201 v->len = len; | |
1202 v->valid = 1; | |
1203 v->no_cacheable = 0; | |
1204 v->not_found = 0; | |
1205 | |
1206 ngx_memcpy(v->data, real, len); | |
1207 | |
1208 return NGX_OK; | |
1209 } | |
1210 | |
1211 | |
1212 static ngx_int_t | |
573 | 1213 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1214 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1215 { |
773 | 1216 size_t root; |
573 | 1217 ngx_str_t path; |
499 | 1218 |
773 | 1219 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1220 return NGX_ERROR; |
557 | 1221 } |
509 | 1222 |
557 | 1223 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1224 |
573 | 1225 v->len = path.len - 1; |
1226 v->valid = 1; | |
1565 | 1227 v->no_cacheable = 0; |
573 | 1228 v->not_found = 0; |
1229 v->data = path.data; | |
499 | 1230 |
573 | 1231 return NGX_OK; |
499 | 1232 } |
1233 | |
1234 | |
573 | 1235 static ngx_int_t |
1811 | 1236 ngx_http_variable_server_name(ngx_http_request_t *r, |
1237 ngx_http_variable_value_t *v, uintptr_t data) | |
1238 { | |
1239 ngx_http_core_srv_conf_t *cscf; | |
1240 | |
1241 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1242 | |
1243 v->len = cscf->server_name.len; | |
1244 v->valid = 1; | |
1245 v->no_cacheable = 0; | |
1246 v->not_found = 0; | |
1247 v->data = cscf->server_name.data; | |
1248 | |
1249 return NGX_OK; | |
1250 } | |
1251 | |
1252 | |
1253 static ngx_int_t | |
573 | 1254 ngx_http_variable_request_method(ngx_http_request_t *r, |
1255 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1256 { |
647 | 1257 if (r->main->method_name.data) { |
1258 v->len = r->main->method_name.len; | |
573 | 1259 v->valid = 1; |
1565 | 1260 v->no_cacheable = 0; |
573 | 1261 v->not_found = 0; |
647 | 1262 v->data = r->main->method_name.data; |
573 | 1263 |
1264 } else { | |
1265 v->not_found = 1; | |
561 | 1266 } |
1267 | |
573 | 1268 return NGX_OK; |
561 | 1269 } |
1270 | |
1271 | |
573 | 1272 static ngx_int_t |
1273 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1274 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1275 { |
573 | 1276 ngx_int_t rc; |
539 | 1277 |
1278 rc = ngx_http_auth_basic_user(r); | |
1279 | |
1280 if (rc == NGX_DECLINED) { | |
573 | 1281 v->not_found = 1; |
1282 return NGX_OK; | |
539 | 1283 } |
1284 | |
1285 if (rc == NGX_ERROR) { | |
573 | 1286 return NGX_ERROR; |
539 | 1287 } |
1288 | |
573 | 1289 v->len = r->headers_in.user.len; |
1290 v->valid = 1; | |
1565 | 1291 v->no_cacheable = 0; |
573 | 1292 v->not_found = 0; |
1293 v->data = r->headers_in.user.data; | |
571 | 1294 |
573 | 1295 return NGX_OK; |
571 | 1296 } |
1297 | |
1298 | |
611 | 1299 static ngx_int_t |
1300 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1301 ngx_http_variable_value_t *v, uintptr_t data) | |
1302 { | |
1303 off_t sent; | |
1304 u_char *p; | |
1305 | |
1306 sent = r->connection->sent - r->header_size; | |
1307 | |
1308 if (sent < 0) { | |
1309 sent = 0; | |
1310 } | |
1311 | |
2049 | 1312 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1313 if (p == NULL) { |
1314 return NGX_ERROR; | |
1315 } | |
1316 | |
1317 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1318 v->valid = 1; | |
1565 | 1319 v->no_cacheable = 0; |
611 | 1320 v->not_found = 0; |
1321 v->data = p; | |
1322 | |
1323 return NGX_OK; | |
1324 } | |
1325 | |
1326 | |
629 | 1327 static ngx_int_t |
641 | 1328 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1329 ngx_http_variable_value_t *v, uintptr_t data) | |
1330 { | |
1331 if (r->headers_out.content_type.len) { | |
1332 v->len = r->headers_out.content_type.len; | |
1333 v->valid = 1; | |
1565 | 1334 v->no_cacheable = 0; |
641 | 1335 v->not_found = 0; |
1336 v->data = r->headers_out.content_type.data; | |
1337 | |
1338 } else { | |
1339 v->not_found = 1; | |
1340 } | |
1341 | |
1342 return NGX_OK; | |
1343 } | |
1344 | |
1345 | |
1346 static ngx_int_t | |
1347 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1348 ngx_http_variable_value_t *v, uintptr_t data) | |
1349 { | |
1350 u_char *p; | |
1351 | |
1352 if (r->headers_out.content_length) { | |
1353 v->len = r->headers_out.content_length->value.len; | |
1354 v->valid = 1; | |
1565 | 1355 v->no_cacheable = 0; |
641 | 1356 v->not_found = 0; |
1357 v->data = r->headers_out.content_length->value.data; | |
1358 | |
1359 return NGX_OK; | |
1360 } | |
1361 | |
1362 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1363 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1364 if (p == NULL) { |
1365 return NGX_ERROR; | |
1366 } | |
1367 | |
1368 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1369 v->valid = 1; | |
1565 | 1370 v->no_cacheable = 0; |
641 | 1371 v->not_found = 0; |
1372 v->data = p; | |
1373 | |
1374 return NGX_OK; | |
1375 } | |
1376 | |
1377 v->not_found = 1; | |
1378 | |
1379 return NGX_OK; | |
1380 } | |
1381 | |
1382 | |
1383 static ngx_int_t | |
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1384 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1385 ngx_http_variable_value_t *v, uintptr_t data) |
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1386 { |
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1387 ngx_str_t name; |
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1388 |
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1389 if (r->headers_out.location) { |
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1390 v->len = r->headers_out.location->value.len; |
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1391 v->valid = 1; |
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1392 v->no_cacheable = 0; |
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1393 v->not_found = 0; |
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1394 v->data = r->headers_out.location->value.data; |
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1395 |
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1396 return NGX_OK; |
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1397 } |
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1398 |
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1399 name.len = sizeof("sent_http_location") - 1; |
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1400 name.data = (u_char *) "sent_http_location"; |
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1401 |
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1402 return ngx_http_variable_unknown_header(v, &name, |
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1403 &r->headers_out.headers.part, |
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1404 sizeof("sent_http_") - 1); |
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1405 } |
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1406 |
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1407 |
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1408 static ngx_int_t |
641 | 1409 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
1410 ngx_http_variable_value_t *v, uintptr_t data) | |
1411 { | |
1412 u_char *p; | |
1413 | |
1414 if (r->headers_out.last_modified) { | |
1415 v->len = r->headers_out.last_modified->value.len; | |
1416 v->valid = 1; | |
1565 | 1417 v->no_cacheable = 0; |
641 | 1418 v->not_found = 0; |
1419 v->data = r->headers_out.last_modified->value.data; | |
1420 | |
1421 return NGX_OK; | |
1422 } | |
1423 | |
1424 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1425 p = ngx_pnalloc(r->pool, |
641 | 1426 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1427 if (p == NULL) { | |
1428 return NGX_ERROR; | |
1429 } | |
1430 | |
1431 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1432 v->valid = 1; | |
1565 | 1433 v->no_cacheable = 0; |
641 | 1434 v->not_found = 0; |
1435 v->data = p; | |
1436 | |
1437 return NGX_OK; | |
1438 } | |
1439 | |
1440 v->not_found = 1; | |
1441 | |
1442 return NGX_OK; | |
1443 } | |
1444 | |
1445 | |
1446 static ngx_int_t | |
1447 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1448 ngx_http_variable_value_t *v, uintptr_t data) | |
1449 { | |
1450 size_t len; | |
1451 char *p; | |
1452 | |
1453 if (r->keepalive) { | |
1454 len = sizeof("keep-alive") - 1; | |
1455 p = "keep-alive"; | |
1456 | |
1457 } else { | |
1458 len = sizeof("close") - 1; | |
1459 p = "close"; | |
1460 } | |
1461 | |
1462 v->len = len; | |
1463 v->valid = 1; | |
1565 | 1464 v->no_cacheable = 0; |
641 | 1465 v->not_found = 0; |
1466 v->data = (u_char *) p; | |
1467 | |
1468 return NGX_OK; | |
1469 } | |
1470 | |
1471 | |
1472 static ngx_int_t | |
1473 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1474 ngx_http_variable_value_t *v, uintptr_t data) | |
1475 { | |
1476 u_char *p; | |
1477 ngx_http_core_loc_conf_t *clcf; | |
1478 | |
1479 if (r->keepalive) { | |
1480 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1481 | |
1482 if (clcf->keepalive_header) { | |
1483 | |
2049 | 1484 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1485 if (p == NULL) { |
1486 return NGX_ERROR; | |
1487 } | |
1488 | |
1489 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1490 v->valid = 1; | |
1565 | 1491 v->no_cacheable = 0; |
641 | 1492 v->not_found = 0; |
1493 v->data = p; | |
1494 | |
1495 return NGX_OK; | |
1496 } | |
1497 } | |
1498 | |
1499 v->not_found = 1; | |
1500 | |
1501 return NGX_OK; | |
1502 } | |
1503 | |
1504 | |
1505 static ngx_int_t | |
1506 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1507 ngx_http_variable_value_t *v, uintptr_t data) | |
1508 { | |
1509 if (r->chunked) { | |
1510 v->len = sizeof("chunked") - 1; | |
1511 v->valid = 1; | |
1565 | 1512 v->no_cacheable = 0; |
641 | 1513 v->not_found = 0; |
1514 v->data = (u_char *) "chunked"; | |
1515 | |
1516 } else { | |
1517 v->not_found = 1; | |
1518 } | |
1519 | |
1520 return NGX_OK; | |
1521 } | |
1522 | |
1523 | |
1524 static ngx_int_t | |
629 | 1525 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1526 ngx_http_variable_value_t *v, uintptr_t data) | |
1527 { | |
1528 if (r->request_complete) { | |
1529 v->len = 2; | |
1530 v->valid = 1; | |
1565 | 1531 v->no_cacheable = 0; |
629 | 1532 v->not_found = 0; |
1533 v->data = (u_char *) "OK"; | |
1534 | |
1535 return NGX_OK; | |
1536 } | |
1537 | |
1538 v->len = 0; | |
1539 v->valid = 1; | |
1565 | 1540 v->no_cacheable = 0; |
629 | 1541 v->not_found = 0; |
1542 v->data = (u_char *) ""; | |
1543 | |
1544 return NGX_OK; | |
1545 } | |
1546 | |
1547 | |
759 | 1548 static ngx_int_t |
2844 | 1549 ngx_http_variable_request_body(ngx_http_request_t *r, |
1550 ngx_http_variable_value_t *v, uintptr_t data) | |
1551 { | |
1552 u_char *p; | |
1553 size_t len; | |
1554 ngx_buf_t *buf, *next; | |
1555 ngx_chain_t *cl; | |
1556 | |
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1557 if (r->request_body == NULL |
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1558 || r->request_body->bufs == NULL |
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1559 || r->request_body->temp_file) |
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1560 { |
2844 | 1561 v->not_found = 1; |
1562 | |
1563 return NGX_OK; | |
1564 } | |
1565 | |
1566 cl = r->request_body->bufs; | |
1567 buf = cl->buf; | |
1568 | |
1569 if (cl->next == NULL) { | |
1570 v->len = buf->last - buf->pos; | |
1571 v->valid = 1; | |
1572 v->no_cacheable = 0; | |
1573 v->not_found = 0; | |
1574 v->data = buf->pos; | |
1575 | |
1576 return NGX_OK; | |
1577 } | |
1578 | |
1579 next = cl->next->buf; | |
1580 len = (buf->last - buf->pos) + (next->last - next->pos); | |
1581 | |
1582 p = ngx_pnalloc(r->pool, len); | |
1583 if (p == NULL) { | |
1584 return NGX_ERROR; | |
1585 } | |
1586 | |
1587 v->data = p; | |
1588 | |
1589 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
1590 ngx_memcpy(p, next->pos, next->last - next->pos); | |
1591 | |
1592 v->len = len; | |
1593 v->valid = 1; | |
1594 v->no_cacheable = 0; | |
1595 v->not_found = 0; | |
1596 | |
1597 return NGX_OK; | |
1598 } | |
1599 | |
1600 | |
1601 static ngx_int_t | |
759 | 1602 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
1603 ngx_http_variable_value_t *v, uintptr_t data) | |
1604 { | |
1605 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
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1606 v->not_found = 1; |
759 | 1607 |
1608 return NGX_OK; | |
1609 } | |
1610 | |
1611 v->len = r->request_body->temp_file->file.name.len; | |
1612 v->valid = 1; | |
1565 | 1613 v->no_cacheable = 0; |
759 | 1614 v->not_found = 0; |
1615 v->data = r->request_body->temp_file->file.name.data; | |
1616 | |
1617 return NGX_OK; | |
1618 } | |
1619 | |
1620 | |
1329 | 1621 static ngx_int_t |
1622 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1623 ngx_http_variable_value_t *v, uintptr_t data) | |
1624 { | |
1625 v->len = sizeof(NGINX_VERSION) - 1; | |
1626 v->valid = 1; | |
1565 | 1627 v->no_cacheable = 0; |
1329 | 1628 v->not_found = 0; |
1629 v->data = (u_char *) NGINX_VERSION; | |
1630 | |
1631 return NGX_OK; | |
1632 } | |
1633 | |
1634 | |
2011 | 1635 static ngx_int_t |
1636 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1637 ngx_http_variable_value_t *v, uintptr_t data) | |
1638 { | |
1639 v->len = ngx_cycle->hostname.len; | |
1640 v->valid = 1; | |
1641 v->no_cacheable = 0; | |
1642 v->not_found = 0; | |
1643 v->data = ngx_cycle->hostname.data; | |
1644 | |
1645 return NGX_OK; | |
1646 } | |
1647 | |
1648 | |
2249 | 1649 static ngx_int_t |
1650 ngx_http_variable_pid(ngx_http_request_t *r, | |
1651 ngx_http_variable_value_t *v, uintptr_t data) | |
1652 { | |
1653 u_char *p; | |
1654 | |
1655 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1656 if (p == NULL) { | |
1657 return NGX_ERROR; | |
1658 } | |
1659 | |
1660 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1661 v->valid = 1; | |
1662 v->no_cacheable = 0; | |
1663 v->not_found = 0; | |
1664 v->data = p; | |
1665 | |
1666 return NGX_OK; | |
1667 } | |
1668 | |
1669 | |
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1670 #if (NGX_PCRE) |
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1671 |
3325 | 1672 static ngx_int_t |
1673 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
1674 uintptr_t data) | |
1675 { | |
1676 v->not_found = 1; | |
1677 return NGX_OK; | |
1678 } | |
1679 | |
1680 | |
1681 ngx_http_regex_t * | |
1682 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
1683 { | |
1684 u_char *p; | |
1685 size_t size; | |
1686 ngx_str_t name; | |
1687 ngx_uint_t i, n; | |
1688 ngx_http_variable_t *v; | |
1689 ngx_http_regex_t *re; | |
1690 ngx_http_regex_variable_t *rv; | |
1691 ngx_http_core_main_conf_t *cmcf; | |
1692 | |
1693 rc->pool = cf->pool; | |
1694 | |
1695 if (ngx_regex_compile(rc) != NGX_OK) { | |
1696 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
1697 return NULL; | |
1698 } | |
1699 | |
1700 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
1701 if (re == NULL) { | |
1702 return NULL; | |
1703 } | |
1704 | |
1705 re->regex = rc->regex; | |
1706 re->ncaptures = rc->captures; | |
1707 | |
1708 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1709 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
1710 | |
1711 n = (ngx_uint_t) rc->named_captures; | |
1712 | |
1713 if (n == 0) { | |
1714 return re; | |
1715 } | |
1716 | |
1717 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
1718 if (rv == NULL) { | |
1719 return NULL; | |
1720 } | |
1721 | |
1722 re->variables = rv; | |
1723 re->nvariables = n; | |
1724 re->name = rc->pattern; | |
1725 | |
1726 size = rc->name_size; | |
1727 p = rc->names; | |
1728 | |
1729 for (i = 0; i < n; i++) { | |
1730 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
1731 | |
1732 name.data = &p[2]; | |
1733 name.len = ngx_strlen(name.data); | |
1734 | |
1735 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
1736 if (v == NULL) { | |
1737 return NULL; | |
1738 } | |
1739 | |
1740 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
1741 if (rv[i].index == NGX_ERROR) { | |
1742 return NULL; | |
1743 } | |
1744 | |
1745 v->get_handler = ngx_http_variable_not_found; | |
1746 | |
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1747 p += size; |
3325 | 1748 } |
1749 | |
1750 return re; | |
1751 } | |
1752 | |
1753 | |
1754 ngx_int_t | |
1755 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
1756 { | |
1757 ngx_int_t rc, index; | |
1758 ngx_uint_t i, n, len; | |
1759 ngx_http_variable_value_t *vv; | |
1760 ngx_http_core_main_conf_t *cmcf; | |
1761 | |
1762 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1763 | |
1764 if (re->ncaptures) { | |
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1765 len = cmcf->ncaptures; |
3325 | 1766 |
1767 if (r->captures == NULL) { | |
1768 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
1769 if (r->captures == NULL) { | |
1770 return NGX_ERROR; | |
1771 } | |
1772 } | |
1773 | |
1774 } else { | |
1775 len = 0; | |
1776 } | |
1777 | |
1778 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
1779 | |
1780 if (rc == NGX_REGEX_NO_MATCHED) { | |
1781 return NGX_DECLINED; | |
1782 } | |
1783 | |
1784 if (rc < 0) { | |
1785 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
1786 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
1787 rc, s, &re->name); | |
1788 return NGX_ERROR; | |
1789 } | |
1790 | |
1791 for (i = 0; i < re->nvariables; i++) { | |
1792 | |
1793 n = re->variables[i].capture; | |
1794 index = re->variables[i].index; | |
1795 vv = &r->variables[index]; | |
1796 | |
1797 vv->len = r->captures[n + 1] - r->captures[n]; | |
1798 vv->valid = 1; | |
1799 vv->no_cacheable = 0; | |
1800 vv->not_found = 0; | |
1801 vv->data = &s->data[r->captures[n]]; | |
1802 | |
1803 #if (NGX_DEBUG) | |
1804 { | |
1805 ngx_http_variable_t *v; | |
1806 | |
1807 v = cmcf->variables.elts; | |
1808 | |
1809 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1810 "http regex set $%V to \"%*s\"", | |
1811 &v[index].name, vv->len, vv->data); | |
1812 } | |
1813 #endif | |
1814 } | |
1815 | |
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1816 r->ncaptures = rc * 2; |
3325 | 1817 r->captures_data = s->data; |
1818 | |
1819 return NGX_OK; | |
1820 } | |
1821 | |
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1822 #endif |
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1823 |
3325 | 1824 |
499 | 1825 ngx_int_t |
509 | 1826 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1827 { |
611 | 1828 ngx_int_t rc; |
1829 ngx_http_variable_t *v; | |
501 | 1830 ngx_http_core_main_conf_t *cmcf; |
499 | 1831 |
509 | 1832 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1833 | |
611 | 1834 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1835 sizeof(ngx_hash_keys_arrays_t)); | |
1836 if (cmcf->variables_keys == NULL) { | |
1837 return NGX_ERROR; | |
1838 } | |
1839 | |
1840 cmcf->variables_keys->pool = cf->pool; | |
1841 cmcf->variables_keys->temp_pool = cf->pool; | |
1842 | |
1843 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1844 != NGX_OK) | |
509 | 1845 { |
499 | 1846 return NGX_ERROR; |
1847 } | |
1848 | |
611 | 1849 for (v = ngx_http_core_variables; v->name.len; v++) { |
1850 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1851 NGX_HASH_READONLY_KEY); | |
1852 | |
1853 if (rc == NGX_OK) { | |
1854 continue; | |
499 | 1855 } |
1856 | |
611 | 1857 if (rc == NGX_BUSY) { |
1858 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1859 "conflicting variable name \"%V\"", &v->name); | |
1860 } | |
1861 | |
1862 return NGX_ERROR; | |
499 | 1863 } |
1864 | |
1865 return NGX_OK; | |
1866 } | |
509 | 1867 |
1868 | |
1869 ngx_int_t | |
1870 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1871 { | |
1872 ngx_uint_t i, n; | |
611 | 1873 ngx_hash_key_t *key; |
1874 ngx_hash_init_t hash; | |
509 | 1875 ngx_http_variable_t *v, *av; |
1876 ngx_http_core_main_conf_t *cmcf; | |
1877 | |
1878 /* set the handlers for the indexed http variables */ | |
1879 | |
1880 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1881 | |
1882 v = cmcf->variables.elts; | |
611 | 1883 key = cmcf->variables_keys->keys.elts; |
509 | 1884 |
1885 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1886 | |
611 | 1887 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1888 |
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1889 av = key[n].value; |
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1890 |
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1891 if (av->get_handler |
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1892 && v[i].name.len == key[n].key.len |
611 | 1893 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1894 == 0) |
1895 { | |
637 | 1896 v[i].get_handler = av->get_handler; |
611 | 1897 v[i].data = av->data; |
527 | 1898 |
611 | 1899 av->flags |= NGX_HTTP_VAR_INDEXED; |
1900 v[i].flags = av->flags; | |
509 | 1901 |
611 | 1902 av->index = i; |
533 | 1903 |
509 | 1904 goto next; |
1905 } | |
1906 } | |
1907 | |
1908 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 1909 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 1910 v[i].data = (uintptr_t) &v[i].name; |
1911 | |
1912 continue; | |
1913 } | |
1914 | |
1915 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 1916 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 1917 v[i].data = (uintptr_t) &v[i].name; |
1918 | |
1919 continue; | |
1920 } | |
1921 | |
1162 | 1922 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
1923 v[i].get_handler = ngx_http_upstream_header_variable; | |
1924 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 1925 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 1926 |
1927 continue; | |
1928 } | |
1929 | |
2307 | 1930 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
1931 v[i].get_handler = ngx_http_variable_cookie; | |
1932 v[i].data = (uintptr_t) &v[i].name; | |
1933 | |
1934 continue; | |
1935 } | |
1936 | |
2137 | 1937 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
1938 v[i].get_handler = ngx_http_variable_argument; | |
1939 v[i].data = (uintptr_t) &v[i].name; | |
1940 | |
1941 continue; | |
1942 } | |
1943 | |
509 | 1944 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
1945 "unknown \"%V\" variable", &v[i].name); | |
1946 | |
1947 return NGX_ERROR; | |
1948 | |
1949 next: | |
1950 continue; | |
1951 } | |
1952 | |
1953 | |
611 | 1954 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
1955 av = key[n].value; | |
1956 | |
1957 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
1958 key[n].key.data = NULL; | |
583 | 1959 } |
1960 } | |
1961 | |
1962 | |
611 | 1963 hash.hash = &cmcf->variables_hash; |
1964 hash.key = ngx_hash_key; | |
1965 hash.max_size = cmcf->variables_hash_max_size; | |
1966 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1967 hash.name = "variables_hash"; | |
1968 hash.pool = cf->pool; | |
1969 hash.temp_pool = NULL; | |
509 | 1970 |
611 | 1971 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
1972 cmcf->variables_keys->keys.nelts) | |
581 | 1973 != NGX_OK) |
509 | 1974 { |
1975 return NGX_ERROR; | |
1976 } | |
1977 | |
611 | 1978 cmcf->variables_keys = NULL; |
509 | 1979 |
1980 return NGX_OK; | |
1981 } | |
2333
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1982 |
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1983 |
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1984 void |
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1985 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
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1986 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
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1987 { |
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1988 ngx_rbtree_node_t **p; |
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1989 ngx_http_variable_value_node_t *vvn, *vvt; |
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1990 |
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1991 for ( ;; ) { |
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1992 |
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1993 vvn = (ngx_http_variable_value_node_t *) node; |
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1994 vvt = (ngx_http_variable_value_node_t *) temp; |
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1995 |
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|
1996 if (node->key != temp->key) { |
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variable value rbtree support
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parents:
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|
1997 |
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changeset
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1998 p = (node->key < temp->key) ? &temp->left : &temp->right; |
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variable value rbtree support
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parents:
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|
1999 |
f267d23868fc
variable value rbtree support
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parents:
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changeset
|
2000 } else if (vvn->len != vvt->len) { |
f267d23868fc
variable value rbtree support
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parents:
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changeset
|
2001 |
f267d23868fc
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parents:
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diff
changeset
|
2002 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
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variable value rbtree support
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parents:
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diff
changeset
|
2003 |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2004 } else { |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2005 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2006 ? &temp->left : &temp->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2007 } |
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variable value rbtree support
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parents:
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diff
changeset
|
2008 |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2009 if (*p == sentinel) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2010 break; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2011 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2012 |
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variable value rbtree support
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parents:
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diff
changeset
|
2013 temp = *p; |
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variable value rbtree support
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parents:
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diff
changeset
|
2014 } |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2015 |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2016 *p = node; |
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variable value rbtree support
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parents:
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diff
changeset
|
2017 node->parent = temp; |
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variable value rbtree support
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parents:
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diff
changeset
|
2018 node->left = sentinel; |
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variable value rbtree support
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parents:
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diff
changeset
|
2019 node->right = sentinel; |
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parents:
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diff
changeset
|
2020 ngx_rbt_red(node); |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2021 } |
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
2022 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2023 |
f267d23868fc
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parents:
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diff
changeset
|
2024 ngx_http_variable_value_t * |
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parents:
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diff
changeset
|
2025 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
f267d23868fc
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parents:
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diff
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|
2026 uint32_t hash) |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2027 { |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2028 ngx_int_t rc; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2029 ngx_rbtree_node_t *node, *sentinel; |
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parents:
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changeset
|
2030 ngx_http_variable_value_node_t *vvn; |
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variable value rbtree support
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parents:
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diff
changeset
|
2031 |
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2032 node = rbtree->root; |
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variable value rbtree support
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parents:
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diff
changeset
|
2033 sentinel = rbtree->sentinel; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2034 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2035 while (node != sentinel) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2036 |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2037 vvn = (ngx_http_variable_value_node_t *) node; |
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2038 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2039 if (hash != node->key) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2040 node = (hash < node->key) ? node->left : node->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2041 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2042 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2043 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2044 if (val->len != vvn->len) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2045 node = (val->len < vvn->len) ? node->left : node->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2046 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2047 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2048 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2049 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2050 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2051 if (rc < 0) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2052 node = node->left; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2053 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2054 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2055 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2056 if (rc > 0) { |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2057 node = node->right; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2058 continue; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2059 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2060 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2061 return vvn->value; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2062 } |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2063 |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
2064 return NULL; |
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
2065 } |