Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 4510:d6c507a46c90 stable-1.0
Merge of r4471:
Variables: honor no_cacheable for not_found variables.
Variables with the "not_found" flag set follow the same rules as ones with
the "valid" flag set. Make sure ngx_http_get_flushed_variable() will flush
non-cacheable variables with the "not_found" flag set.
This fixes at least one known problem with $args not available in a subrequest
(with args) when there were no args in the main request and $args variable was
queried in the main request (reported by Laurence Rowe aka elro on irc).
Also this eliminates unneeded call to ngx_http_get_indexed_variable() in
cacheable case (as it will return cached value anyway).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 05 Mar 2012 12:36:51 +0000 |
| parents | 4919fb357a5d |
| children |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
|
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Merge of r4406, r4413: copyrights updated.
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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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$cookie_... variable did not for SSI and perl
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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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ngx_http_variable_binary_remote_addr()
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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); | |
| 1351 | 52 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 53 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 54 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 55 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 56 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 57 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 58 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 59 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 60 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 61 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 62 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 63 ngx_http_variable_value_t *v, uintptr_t data); | |
| 64 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 65 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 66 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 67 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 68 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2844 | 70 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 72 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 74 |
| 641 | 75 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 76 ngx_http_variable_value_t *v, uintptr_t data); | |
| 77 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 78 ngx_http_variable_value_t *v, uintptr_t data); | |
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79 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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80 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 81 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 82 ngx_http_variable_value_t *v, uintptr_t data); | |
| 83 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 85 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 87 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 89 | |
| 1329 | 90 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 91 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 92 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 93 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 94 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 95 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 96 |
| 509 | 97 /* |
| 98 * TODO: | |
| 99 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 100 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 101 * SERVER_SOFTWARE | |
| 102 * | |
| 571 | 103 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 104 */ |
| 499 | 105 |
| 641 | 106 /* |
| 107 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 108 * and $http_x_forwarded_for variables may be handled by generic | |
| 109 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 110 * they are handled using dedicated entries | |
| 111 */ | |
| 112 | |
| 509 | 113 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 114 | |
| 637 | 115 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 116 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 117 |
| 637 | 118 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 120 |
| 637 | 121 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 122 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 123 |
| 124 #if (NGX_HTTP_GZIP) | |
| 637 | 125 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 126 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 127 #endif |
| 128 | |
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129 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 130 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 131 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 132 #endif |
| 133 | |
| 637 | 134 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 135 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 136 |
| 637 | 137 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 138 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 139 |
| 637 | 140 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 141 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 142 |
| 637 | 143 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 144 |
| 982 | 145 { ngx_string("binary_remote_addr"), NULL, |
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146 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 147 |
| 637 | 148 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 149 |
| 637 | 150 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 151 |
| 637 | 152 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 153 |
| 637 | 154 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 155 |
| 637 | 156 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 157 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 158 |
| 731 | 159 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 160 | |
| 637 | 161 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 162 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 163 |
| 637 | 164 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 165 offsetof(ngx_http_request_t, uri), | |
| 1565 | 166 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 167 |
| 168 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 169 offsetof(ngx_http_request_t, uri), |
| 1565 | 170 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 171 |
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172 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
| 569 | 173 |
| 637 | 174 { ngx_string("document_root"), NULL, |
| 1565 | 175 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 176 |
| 2259 | 177 { ngx_string("realpath_root"), NULL, |
| 178 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 179 | |
| 637 | 180 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 181 offsetof(ngx_http_request_t, args), |
| 1565 | 182 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 183 |
| 1350 | 184 { ngx_string("args"), |
| 185 ngx_http_variable_request_set, | |
| 186 ngx_http_variable_request, | |
| 589 | 187 offsetof(ngx_http_request_t, args), |
| 1565 | 188 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 189 |
| 1351 | 190 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 191 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 192 |
| 637 | 193 { ngx_string("request_filename"), NULL, |
| 194 ngx_http_variable_request_filename, 0, | |
| 1565 | 195 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 196 |
| 1811 | 197 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 198 |
| 637 | 199 { ngx_string("request_method"), NULL, |
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200 ngx_http_variable_request_method, 0, |
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201 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 202 |
| 637 | 203 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 204 |
| 637 | 205 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 206 0, 0, 0 }, |
| 207 | |
| 637 | 208 { ngx_string("request_completion"), NULL, |
| 209 ngx_http_variable_request_completion, | |
| 629 | 210 0, 0, 0 }, |
| 211 | |
| 2844 | 212 { ngx_string("request_body"), NULL, |
| 213 ngx_http_variable_request_body, | |
| 214 0, 0, 0 }, | |
| 215 | |
| 759 | 216 { ngx_string("request_body_file"), NULL, |
| 217 ngx_http_variable_request_body_file, | |
| 218 0, 0, 0 }, | |
| 219 | |
| 641 | 220 { ngx_string("sent_http_content_type"), NULL, |
| 221 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 222 | |
| 223 { ngx_string("sent_http_content_length"), NULL, | |
| 224 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 225 | |
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226 { ngx_string("sent_http_location"), NULL, |
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227 ngx_http_variable_sent_location, 0, 0, 0 }, |
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228 |
| 641 | 229 { ngx_string("sent_http_last_modified"), NULL, |
| 230 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 231 | |
| 232 { ngx_string("sent_http_connection"), NULL, | |
| 233 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 234 | |
| 235 { ngx_string("sent_http_keep_alive"), NULL, | |
| 236 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 237 | |
| 238 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 239 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 240 | |
| 241 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 242 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 243 | |
| 637 | 244 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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245 ngx_http_variable_request_get_size, |
| 637 | 246 offsetof(ngx_http_request_t, limit_rate), |
| 1565 | 247 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 248 |
| 1329 | 249 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 250 0, 0, 0 }, | |
| 251 | |
| 2011 | 252 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 253 0, 0, 0 }, | |
| 254 | |
| 2249 | 255 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 256 0, 0, 0 }, | |
| 257 | |
| 637 | 258 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 259 }; |
| 260 | |
| 261 | |
| 577 | 262 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 263 ngx_http_variable(""); | |
| 264 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 265 ngx_http_variable("1"); | |
| 266 | |
| 267 | |
| 499 | 268 ngx_http_variable_t * |
| 509 | 269 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 270 { | |
| 611 | 271 ngx_int_t rc; |
| 509 | 272 ngx_uint_t i; |
| 611 | 273 ngx_hash_key_t *key; |
| 509 | 274 ngx_http_variable_t *v; |
| 275 ngx_http_core_main_conf_t *cmcf; | |
| 276 | |
| 277 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 278 | |
| 611 | 279 key = cmcf->variables_keys->keys.elts; |
| 280 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 281 if (name->len != key[i].key.len | |
| 282 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 283 { |
| 284 continue; | |
| 285 } | |
| 286 | |
| 611 | 287 v = key[i].value; |
| 288 | |
| 1565 | 289 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 290 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 291 "the duplicate \"%V\" variable", name); | |
| 292 return NULL; | |
| 293 } | |
| 294 | |
| 611 | 295 return v; |
| 509 | 296 } |
| 297 | |
| 611 | 298 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 299 if (v == NULL) { |
| 300 return NULL; | |
| 301 } | |
| 302 | |
| 303 v->name.len = name->len; | |
| 2049 | 304 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 305 if (v->name.data == NULL) { |
| 306 return NULL; | |
| 307 } | |
| 308 | |
| 2135 | 309 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 310 |
| 637 | 311 v->set_handler = NULL; |
| 312 v->get_handler = NULL; | |
| 509 | 313 v->data = 0; |
| 314 v->flags = flags; | |
| 533 | 315 v->index = 0; |
| 509 | 316 |
| 611 | 317 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 318 | |
| 319 if (rc == NGX_ERROR) { | |
| 320 return NULL; | |
| 321 } | |
| 322 | |
| 323 if (rc == NGX_BUSY) { | |
| 324 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 325 "conflicting variable name \"%V\"", name); | |
| 326 return NULL; | |
| 327 } | |
| 328 | |
| 509 | 329 return v; |
| 330 } | |
| 331 | |
| 332 | |
| 333 ngx_int_t | |
| 334 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 335 { |
| 501 | 336 ngx_uint_t i; |
| 337 ngx_http_variable_t *v; | |
| 499 | 338 ngx_http_core_main_conf_t *cmcf; |
| 339 | |
| 340 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 341 | |
| 501 | 342 v = cmcf->variables.elts; |
| 343 | |
| 344 if (v == NULL) { | |
| 499 | 345 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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346 sizeof(ngx_http_variable_t)) |
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347 != NGX_OK) |
| 499 | 348 { |
| 509 | 349 return NGX_ERROR; |
| 499 | 350 } |
| 501 | 351 |
| 352 } else { | |
| 353 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 354 if (name->len != v[i].name.len | |
| 355 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 356 { | |
| 357 continue; | |
| 358 } | |
| 359 | |
| 509 | 360 return i; |
| 501 | 361 } |
| 499 | 362 } |
| 363 | |
| 501 | 364 v = ngx_array_push(&cmcf->variables); |
| 365 if (v == NULL) { | |
| 509 | 366 return NGX_ERROR; |
| 499 | 367 } |
| 368 | |
| 501 | 369 v->name.len = name->len; |
| 2049 | 370 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 371 if (v->name.data == NULL) { |
| 509 | 372 return NGX_ERROR; |
| 501 | 373 } |
| 499 | 374 |
| 2135 | 375 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 376 |
| 637 | 377 v->set_handler = NULL; |
| 378 v->get_handler = NULL; | |
| 501 | 379 v->data = 0; |
| 509 | 380 v->flags = 0; |
| 533 | 381 v->index = cmcf->variables.nelts - 1; |
| 501 | 382 |
| 509 | 383 return cmcf->variables.nelts - 1; |
| 499 | 384 } |
| 385 | |
| 386 | |
| 387 ngx_http_variable_value_t * | |
| 388 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 389 { | |
| 501 | 390 ngx_http_variable_t *v; |
| 499 | 391 ngx_http_core_main_conf_t *cmcf; |
| 392 | |
| 393 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 394 | |
| 553 | 395 if (cmcf->variables.nelts <= index) { |
| 499 | 396 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 397 "unknown variable index: %d", index); | |
| 398 return NULL; | |
| 399 } | |
| 400 | |
| 573 | 401 if (r->variables[index].not_found || r->variables[index].valid) { |
| 402 return &r->variables[index]; | |
| 501 | 403 } |
| 499 | 404 |
| 501 | 405 v = cmcf->variables.elts; |
| 499 | 406 |
| 637 | 407 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 408 == NGX_OK) | |
| 409 { | |
| 1565 | 410 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 411 r->variables[index].no_cacheable = 1; | |
| 499 | 412 } |
| 573 | 413 |
| 414 return &r->variables[index]; | |
| 499 | 415 } |
| 416 | |
| 657 | 417 r->variables[index].valid = 0; |
| 418 r->variables[index].not_found = 1; | |
| 419 | |
| 798 | 420 return NULL; |
| 573 | 421 } |
| 422 | |
| 423 | |
| 424 ngx_http_variable_value_t * | |
| 425 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 426 { | |
| 1150 | 427 ngx_http_variable_value_t *v; |
| 573 | 428 |
| 429 v = &r->variables[index]; | |
| 430 | |
| 4510 | 431 if (v->valid || v->not_found) { |
| 1565 | 432 if (!v->no_cacheable) { |
| 573 | 433 return v; |
| 434 } | |
| 435 | |
| 436 v->valid = 0; | |
| 437 v->not_found = 0; | |
| 509 | 438 } |
| 501 | 439 |
| 573 | 440 return ngx_http_get_indexed_variable(r, index); |
| 499 | 441 } |
| 442 | |
| 443 | |
| 444 ngx_http_variable_value_t * | |
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445 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
| 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) { | |
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457 return ngx_http_get_flushed_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 |
| 501 | 529 return vv; |
| 499 | 530 } |
| 531 | |
| 532 | |
| 573 | 533 static ngx_int_t |
| 534 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 535 uintptr_t data) | |
| 536 { | |
| 537 ngx_str_t *s; | |
| 538 | |
| 539 s = (ngx_str_t *) ((char *) r + data); | |
| 540 | |
| 541 if (s->data) { | |
| 542 v->len = s->len; | |
| 543 v->valid = 1; | |
| 1565 | 544 v->no_cacheable = 0; |
| 573 | 545 v->not_found = 0; |
| 546 v->data = s->data; | |
| 547 | |
| 548 } else { | |
| 549 v->not_found = 1; | |
| 550 } | |
| 551 | |
| 552 return NGX_OK; | |
| 553 } | |
| 554 | |
| 555 | |
| 637 | 556 static void |
| 1350 | 557 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 558 ngx_http_variable_value_t *v, uintptr_t data) | |
| 559 { | |
| 560 ngx_str_t *s; | |
| 561 | |
| 562 s = (ngx_str_t *) ((char *) r + data); | |
| 563 | |
| 564 s->len = v->len; | |
| 565 s->data = v->data; | |
| 566 } | |
| 567 | |
| 568 | |
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569 static ngx_int_t |
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570 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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571 ngx_http_variable_value_t *v, uintptr_t data) |
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572 { |
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573 size_t *sp; |
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574 |
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575 sp = (size_t *) ((char *) r + data); |
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576 |
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577 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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578 if (v->data == NULL) { |
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579 return NGX_ERROR; |
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580 } |
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581 |
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582 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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583 v->valid = 1; |
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584 v->no_cacheable = 0; |
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585 v->not_found = 0; |
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586 |
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587 return NGX_OK; |
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588 } |
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589 |
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590 |
| 1350 | 591 static void |
| 637 | 592 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 593 ngx_http_variable_value_t *v, uintptr_t data) | |
| 594 { | |
| 595 ssize_t s, *sp; | |
| 596 ngx_str_t val; | |
| 597 | |
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598 val.len = v->len; |
| 637 | 599 val.data = v->data; |
| 600 | |
| 601 s = ngx_parse_size(&val); | |
| 602 | |
| 603 if (s == NGX_ERROR) { | |
| 604 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 605 "invalid size \"%V\"", &val); | |
| 606 return; | |
| 607 } | |
| 608 | |
| 609 sp = (ssize_t *) ((char *) r + data); | |
| 610 | |
| 611 *sp = s; | |
| 612 | |
| 613 return; | |
| 614 } | |
| 615 | |
| 616 | |
| 573 | 617 static ngx_int_t |
| 618 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 619 uintptr_t data) | |
| 515 | 620 { |
| 573 | 621 ngx_table_elt_t *h; |
| 622 | |
| 623 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 624 | |
| 625 if (h) { | |
| 626 v->len = h->value.len; | |
| 627 v->valid = 1; | |
| 1565 | 628 v->no_cacheable = 0; |
| 573 | 629 v->not_found = 0; |
| 630 v->data = h->value.data; | |
| 631 | |
| 632 } else { | |
| 633 v->not_found = 1; | |
| 634 } | |
| 635 | |
| 636 return NGX_OK; | |
| 637 } | |
| 638 | |
| 639 | |
| 640 static ngx_int_t | |
| 641 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 642 uintptr_t data) | |
| 643 { | |
| 4433 | 644 size_t len; |
| 645 u_char *p, *end; | |
| 667 | 646 ngx_uint_t i, n; |
| 573 | 647 ngx_array_t *a; |
| 648 ngx_table_elt_t **h; | |
| 515 | 649 |
| 650 a = (ngx_array_t *) ((char *) r + data); | |
| 651 | |
| 667 | 652 n = a->nelts; |
| 4433 | 653 h = a->elts; |
| 654 | |
| 655 len = 0; | |
| 656 | |
| 657 for (i = 0; i < n; i++) { | |
| 658 | |
| 659 if (h[i]->hash == 0) { | |
| 660 continue; | |
| 661 } | |
| 662 | |
| 663 len += h[i]->value.len + sizeof("; ") - 1; | |
| 664 } | |
| 665 | |
| 666 if (len == 0) { | |
| 573 | 667 v->not_found = 1; |
| 668 return NGX_OK; | |
| 515 | 669 } |
| 670 | |
| 4433 | 671 len -= sizeof("; ") - 1; |
| 672 | |
| 573 | 673 v->valid = 1; |
| 1565 | 674 v->no_cacheable = 0; |
| 573 | 675 v->not_found = 0; |
| 515 | 676 |
| 667 | 677 if (n == 1) { |
| 573 | 678 v->len = (*h)->value.len; |
| 679 v->data = (*h)->value.data; | |
| 515 | 680 |
| 573 | 681 return NGX_OK; |
| 515 | 682 } |
| 683 | |
| 2049 | 684 p = ngx_pnalloc(r->pool, len); |
| 573 | 685 if (p == NULL) { |
| 686 return NGX_ERROR; | |
| 687 } | |
| 688 | |
| 689 v->len = len; | |
| 690 v->data = p; | |
| 515 | 691 |
| 4433 | 692 end = p + len; |
| 693 | |
| 515 | 694 for (i = 0; /* void */ ; i++) { |
| 4433 | 695 |
| 696 if (h[i]->hash == 0) { | |
| 697 continue; | |
| 698 } | |
| 699 | |
| 573 | 700 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 701 |
| 4433 | 702 if (p == end) { |
| 515 | 703 break; |
| 704 } | |
| 705 | |
| 706 *p++ = ';'; *p++ = ' '; | |
| 707 } | |
| 708 | |
| 573 | 709 return NGX_OK; |
| 515 | 710 } |
| 711 | |
| 712 | |
| 573 | 713 static ngx_int_t |
| 577 | 714 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 715 ngx_http_variable_value_t *v, uintptr_t data) | |
| 716 { | |
| 717 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 718 &r->headers_in.headers.part, | |
| 719 sizeof("http_") - 1); | |
| 720 } | |
| 721 | |
| 722 | |
| 723 static ngx_int_t | |
| 724 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 725 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 726 { |
| 577 | 727 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 728 &r->headers_out.headers.part, | |
| 729 sizeof("sent_http_") - 1); | |
| 730 } | |
| 501 | 731 |
| 577 | 732 |
| 1162 | 733 ngx_int_t |
| 577 | 734 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 735 ngx_list_part_t *part, size_t prefix) | |
| 736 { | |
| 573 | 737 u_char ch; |
| 738 ngx_uint_t i, n; | |
| 739 ngx_table_elt_t *header; | |
| 499 | 740 |
| 741 header = part->elts; | |
| 742 | |
| 743 for (i = 0; /* void */ ; i++) { | |
| 744 | |
| 745 if (i >= part->nelts) { | |
| 746 if (part->next == NULL) { | |
| 747 break; | |
| 748 } | |
| 749 | |
| 750 part = part->next; | |
| 751 header = part->elts; | |
| 752 i = 0; | |
| 753 } | |
| 754 | |
| 4433 | 755 if (header[i].hash == 0) { |
| 756 continue; | |
| 757 } | |
| 758 | |
| 577 | 759 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 760 ch = header[i].key.data[n]; |
| 761 | |
| 509 | 762 if (ch >= 'A' && ch <= 'Z') { |
| 763 ch |= 0x20; | |
| 499 | 764 |
| 765 } else if (ch == '-') { | |
| 766 ch = '_'; | |
| 767 } | |
| 768 | |
| 577 | 769 if (var->data[n + prefix] != ch) { |
| 499 | 770 break; |
| 771 } | |
| 772 } | |
| 773 | |
|
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774 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 775 v->len = header[i].value.len; |
| 776 v->valid = 1; | |
| 1565 | 777 v->no_cacheable = 0; |
| 573 | 778 v->not_found = 0; |
| 779 v->data = header[i].value.data; | |
| 499 | 780 |
| 573 | 781 return NGX_OK; |
| 499 | 782 } |
| 783 } | |
| 784 | |
| 573 | 785 v->not_found = 1; |
| 786 | |
| 787 return NGX_OK; | |
| 509 | 788 } |
| 789 | |
| 790 | |
| 573 | 791 static ngx_int_t |
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792 ngx_http_variable_request_line(ngx_http_request_t *r, |
|
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793 ngx_http_variable_value_t *v, uintptr_t data) |
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|
794 { |
|
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|
795 u_char *p, *s; |
|
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|
796 |
|
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diff
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|
797 s = r->request_line.data; |
|
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|
798 |
|
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|
799 if (s == NULL) { |
|
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parents:
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|
800 s = r->request_start; |
|
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parents:
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|
801 |
|
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parents:
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|
802 if (s == NULL) { |
|
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|
803 v->not_found = 1; |
|
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parents:
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|
804 return NGX_OK; |
|
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parents:
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|
805 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2878
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|
806 |
|
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parents:
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diff
changeset
|
807 for (p = s; p < r->header_in->last; p++) { |
|
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parents:
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|
808 if (*p == CR || *p == LF) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
809 break; |
|
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|
810 } |
|
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|
811 } |
|
ecbfc3396c42
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parents:
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|
812 |
|
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|
813 r->request_line.len = p - s; |
|
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changeset
|
814 r->request_line.data = s; |
|
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changeset
|
815 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
816 |
|
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diff
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|
817 v->len = r->request_line.len; |
|
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|
818 v->valid = 1; |
|
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changeset
|
819 v->no_cacheable = 0; |
|
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
820 v->not_found = 0; |
|
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
821 v->data = s; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
2878
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changeset
|
822 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
823 return NGX_OK; |
|
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parents:
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changeset
|
824 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
825 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
826 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
827 static ngx_int_t |
| 2307 | 828 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 829 uintptr_t data) | |
| 830 { | |
| 831 ngx_str_t *name = (ngx_str_t *) data; | |
| 832 | |
| 833 ngx_str_t cookie, s; | |
| 834 | |
| 835 s.len = name->len - (sizeof("cookie_") - 1); | |
| 836 s.data = name->data + sizeof("cookie_") - 1; | |
| 837 | |
| 838 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 839 == NGX_DECLINED) | |
| 840 { | |
| 841 v->not_found = 1; | |
| 842 return NGX_OK; | |
| 843 } | |
| 844 | |
| 845 v->len = cookie.len; | |
| 846 v->valid = 1; | |
| 847 v->no_cacheable = 0; | |
| 848 v->not_found = 0; | |
| 849 v->data = cookie.data; | |
| 850 | |
| 851 return NGX_OK; | |
| 852 } | |
| 853 | |
| 854 | |
| 855 static ngx_int_t | |
| 2137 | 856 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 857 uintptr_t data) | |
| 858 { | |
| 859 ngx_str_t *name = (ngx_str_t *) data; | |
| 860 | |
| 2415 | 861 u_char *arg; |
| 862 size_t len; | |
| 863 ngx_str_t value; | |
| 2137 | 864 |
| 2415 | 865 len = name->len - (sizeof("arg_") - 1); |
| 866 arg = name->data + sizeof("arg_") - 1; | |
| 867 | |
| 868 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 869 v->not_found = 1; |
| 870 return NGX_OK; | |
| 871 } | |
| 872 | |
| 2415 | 873 v->data = value.data; |
| 874 v->len = value.len; | |
| 875 v->valid = 1; | |
| 876 v->no_cacheable = 0; | |
| 877 v->not_found = 0; | |
| 2137 | 878 |
| 879 return NGX_OK; | |
| 880 } | |
| 881 | |
| 882 | |
| 883 static ngx_int_t | |
| 573 | 884 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 885 uintptr_t data) | |
| 509 | 886 { |
| 1811 | 887 ngx_http_core_srv_conf_t *cscf; |
| 888 | |
|
2007
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|
889 if (r->headers_in.server.len) { |
|
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|
890 v->len = r->headers_in.server.len; |
|
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changeset
|
891 v->data = r->headers_in.server.data; |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
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parents:
864
diff
changeset
|
892 |
|
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diff
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|
893 } else { |
|
2007
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|
894 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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|
895 |
|
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|
896 v->len = cscf->server_name.len; |
|
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|
897 v->data = cscf->server_name.data; |
| 509 | 898 } |
| 899 | |
| 573 | 900 v->valid = 1; |
| 1565 | 901 v->no_cacheable = 0; |
| 573 | 902 v->not_found = 0; |
| 509 | 903 |
| 573 | 904 return NGX_OK; |
| 499 | 905 } |
| 906 | |
| 907 | |
| 573 | 908 static ngx_int_t |
|
983
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982
diff
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|
909 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 910 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 911 { |
|
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|
912 struct sockaddr_in *sin; |
|
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|
913 #if (NGX_HAVE_INET6) |
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914 struct sockaddr_in6 *sin6; |
|
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|
915 #endif |
| 982 | 916 |
|
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|
917 switch (r->connection->sockaddr->sa_family) { |
|
983
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ngx_http_variable_binary_remote_addr()
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diff
changeset
|
918 |
|
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|
919 #if (NGX_HAVE_INET6) |
|
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|
920 case AF_INET6: |
|
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|
921 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 922 |
|
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|
923 v->len = sizeof(struct in6_addr); |
|
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|
924 v->valid = 1; |
|
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|
925 v->no_cacheable = 0; |
|
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diff
changeset
|
926 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
|
927 v->data = sin6->sin6_addr.s6_addr; |
|
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|
928 |
|
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changeset
|
929 break; |
|
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|
930 #endif |
|
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|
931 |
|
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diff
changeset
|
932 default: /* AF_INET */ |
|
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diff
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|
933 sin = (struct sockaddr_in *) r->connection->sockaddr; |
|
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|
934 |
|
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|
935 v->len = sizeof(in_addr_t); |
|
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|
936 v->valid = 1; |
|
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diff
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|
937 v->no_cacheable = 0; |
|
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|
938 v->not_found = 0; |
|
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|
939 v->data = (u_char *) &sin->sin_addr; |
|
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|
940 |
|
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|
941 break; |
|
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changeset
|
942 } |
| 982 | 943 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
944 return NGX_OK; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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parents:
982
diff
changeset
|
945 } |
| 982 | 946 |
| 947 | |
|
983
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
948 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
949 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
950 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
951 { |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
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982
diff
changeset
|
952 v->len = r->connection->addr_text.len; |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
953 v->valid = 1; |
| 1565 | 954 v->no_cacheable = 0; |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
955 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
956 v->data = r->connection->addr_text.data; |
| 499 | 957 |
| 573 | 958 return NGX_OK; |
| 499 | 959 } |
| 960 | |
| 961 | |
| 573 | 962 static ngx_int_t |
| 963 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 964 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 965 { |
|
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|
966 ngx_uint_t port; |
|
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|
967 struct sockaddr_in *sin; |
|
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|
968 #if (NGX_HAVE_INET6) |
|
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|
969 struct sockaddr_in6 *sin6; |
|
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|
970 #endif |
| 509 | 971 |
| 573 | 972 v->len = 0; |
| 973 v->valid = 1; | |
| 1565 | 974 v->no_cacheable = 0; |
| 573 | 975 v->not_found = 0; |
| 509 | 976 |
| 2049 | 977 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 978 if (v->data == NULL) { |
| 979 return NGX_ERROR; | |
| 509 | 980 } |
| 981 | |
|
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changeset
|
982 switch (r->connection->sockaddr->sa_family) { |
| 577 | 983 |
|
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|
984 #if (NGX_HAVE_INET6) |
|
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changeset
|
985 case AF_INET6: |
|
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|
986 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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Igor Sysoev <igor@sysoev.ru>
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987 port = ntohs(sin6->sin6_port); |
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988 break; |
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989 #endif |
| 577 | 990 |
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991 default: /* AF_INET */ |
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992 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 993 port = ntohs(sin->sin_port); |
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994 break; |
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995 } |
| 577 | 996 |
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997 if (port > 0 && port < 65536) { |
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998 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 999 } |
| 1000 | |
| 573 | 1001 return NGX_OK; |
| 509 | 1002 } |
| 1003 | |
| 1004 | |
| 573 | 1005 static ngx_int_t |
| 1006 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 1007 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1008 { |
| 1805 | 1009 ngx_str_t s; |
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1010 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 1011 |
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1012 s.len = NGX_SOCKADDR_STRLEN; |
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1013 s.data = addr; |
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1014 |
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1015 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1016 return NGX_ERROR; |
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1017 } |
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1018 |
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1019 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 1020 if (s.data == NULL) { |
| 573 | 1021 return NGX_ERROR; |
| 509 | 1022 } |
| 1023 | |
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1024 ngx_memcpy(s.data, addr, s.len); |
| 509 | 1025 |
| 1805 | 1026 v->len = s.len; |
| 573 | 1027 v->valid = 1; |
| 1565 | 1028 v->no_cacheable = 0; |
| 573 | 1029 v->not_found = 0; |
| 1805 | 1030 v->data = s.data; |
| 499 | 1031 |
| 573 | 1032 return NGX_OK; |
| 499 | 1033 } |
| 1034 | |
| 1035 | |
| 573 | 1036 static ngx_int_t |
| 1037 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1038 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1039 { |
| 2533 | 1040 ngx_uint_t port; |
| 1041 struct sockaddr_in *sin; | |
| 1042 #if (NGX_HAVE_INET6) | |
| 1043 struct sockaddr_in6 *sin6; | |
| 1044 #endif | |
| 1045 | |
| 1046 v->len = 0; | |
| 573 | 1047 v->valid = 1; |
| 1565 | 1048 v->no_cacheable = 0; |
| 573 | 1049 v->not_found = 0; |
| 2533 | 1050 |
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1051 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1052 return NGX_ERROR; |
| 1053 } | |
| 1054 | |
| 1055 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1056 if (v->data == NULL) { | |
| 1057 return NGX_ERROR; | |
| 1058 } | |
| 1059 | |
| 1060 switch (r->connection->local_sockaddr->sa_family) { | |
| 1061 | |
| 1062 #if (NGX_HAVE_INET6) | |
| 1063 case AF_INET6: | |
| 1064 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1065 port = ntohs(sin6->sin6_port); | |
| 1066 break; | |
| 1067 #endif | |
| 1068 | |
| 1069 default: /* AF_INET */ | |
| 1070 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1071 port = ntohs(sin->sin_port); | |
| 1072 break; | |
| 1073 } | |
| 1074 | |
| 1075 if (port > 0 && port < 65536) { | |
| 1076 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1077 } | |
| 509 | 1078 |
| 573 | 1079 return NGX_OK; |
| 509 | 1080 } |
| 1081 | |
| 1082 | |
| 573 | 1083 static ngx_int_t |
| 731 | 1084 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1085 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1086 { | |
| 1087 #if (NGX_HTTP_SSL) | |
| 1088 | |
| 1089 if (r->connection->ssl) { | |
| 1090 v->len = sizeof("https") - 1; | |
| 1091 v->valid = 1; | |
| 1565 | 1092 v->no_cacheable = 0; |
| 731 | 1093 v->not_found = 0; |
| 732 | 1094 v->data = (u_char *) "https"; |
| 731 | 1095 |
| 1096 return NGX_OK; | |
| 1097 } | |
| 1098 | |
| 1099 #endif | |
| 1100 | |
| 1101 v->len = sizeof("http") - 1; | |
| 1102 v->valid = 1; | |
| 1565 | 1103 v->no_cacheable = 0; |
| 731 | 1104 v->not_found = 0; |
| 732 | 1105 v->data = (u_char *) "http"; |
| 731 | 1106 |
| 1107 return NGX_OK; | |
| 1108 } | |
| 1109 | |
| 1110 | |
| 1111 static ngx_int_t | |
| 1351 | 1112 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1113 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1114 { | |
| 1115 v->valid = 1; | |
| 1565 | 1116 v->no_cacheable = 0; |
| 1351 | 1117 v->not_found = 0; |
| 1118 | |
| 1119 if (r->args.len == 0) { | |
| 1120 v->len = 0; | |
| 1121 v->data = NULL; | |
| 1122 return NGX_OK; | |
| 1123 } | |
| 1124 | |
| 1125 v->len = 1; | |
| 1126 v->data = (u_char *) "?"; | |
| 1127 | |
| 1128 return NGX_OK; | |
| 1129 } | |
| 1130 | |
| 1131 | |
| 1132 static ngx_int_t | |
| 573 | 1133 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1134 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1135 { |
| 671 | 1136 ngx_str_t path; |
| 573 | 1137 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1138 |
| 1139 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1140 | |
| 671 | 1141 if (clcf->root_lengths == NULL) { |
| 1142 v->len = clcf->root.len; | |
| 1143 v->valid = 1; | |
| 1565 | 1144 v->no_cacheable = 0; |
| 671 | 1145 v->not_found = 0; |
| 1146 v->data = clcf->root.data; | |
| 1147 | |
| 1148 } else { | |
| 1149 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1150 clcf->root_values->elts) | |
| 1151 == NULL) | |
| 1152 { | |
| 1153 return NGX_ERROR; | |
| 1154 } | |
| 1155 | |
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1156 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1157 return NGX_ERROR; |
| 1158 } | |
| 1159 | |
| 1160 v->len = path.len; | |
| 1161 v->valid = 1; | |
| 1565 | 1162 v->no_cacheable = 0; |
| 671 | 1163 v->not_found = 0; |
| 1164 v->data = path.data; | |
| 1165 } | |
| 509 | 1166 |
| 573 | 1167 return NGX_OK; |
| 509 | 1168 } |
| 1169 | |
| 1170 | |
| 573 | 1171 static ngx_int_t |
| 2259 | 1172 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1173 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1174 { | |
| 1175 size_t len; | |
| 1176 ngx_str_t path; | |
| 1177 ngx_http_core_loc_conf_t *clcf; | |
| 1178 u_char real[NGX_MAX_PATH]; | |
| 1179 | |
| 1180 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1181 | |
| 1182 if (clcf->root_lengths == NULL) { | |
| 1183 path = clcf->root; | |
| 1184 | |
| 1185 } else { | |
| 1186 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1187 clcf->root_values->elts) | |
| 1188 == NULL) | |
| 1189 { | |
| 1190 return NGX_ERROR; | |
| 1191 } | |
| 1192 | |
| 1193 path.data[path.len - 1] = '\0'; | |
| 1194 | |
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1195 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1196 return NGX_ERROR; |
| 1197 } | |
| 1198 } | |
| 1199 | |
| 1200 if (ngx_realpath(path.data, real) == NULL) { | |
| 1201 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1202 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1203 return NGX_ERROR; | |
| 1204 } | |
| 1205 | |
| 1206 len = ngx_strlen(real); | |
| 1207 | |
| 1208 v->data = ngx_pnalloc(r->pool, len); | |
| 1209 if (v->data == NULL) { | |
| 1210 return NGX_ERROR; | |
| 1211 } | |
| 1212 | |
| 1213 v->len = len; | |
| 1214 v->valid = 1; | |
| 1215 v->no_cacheable = 0; | |
| 1216 v->not_found = 0; | |
| 1217 | |
| 1218 ngx_memcpy(v->data, real, len); | |
| 1219 | |
| 1220 return NGX_OK; | |
| 1221 } | |
| 1222 | |
| 1223 | |
| 1224 static ngx_int_t | |
| 573 | 1225 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1226 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1227 { |
| 773 | 1228 size_t root; |
| 573 | 1229 ngx_str_t path; |
| 499 | 1230 |
| 773 | 1231 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1232 return NGX_ERROR; |
| 557 | 1233 } |
| 509 | 1234 |
| 557 | 1235 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1236 |
| 573 | 1237 v->len = path.len - 1; |
| 1238 v->valid = 1; | |
| 1565 | 1239 v->no_cacheable = 0; |
| 573 | 1240 v->not_found = 0; |
| 1241 v->data = path.data; | |
| 499 | 1242 |
| 573 | 1243 return NGX_OK; |
| 499 | 1244 } |
| 1245 | |
| 1246 | |
| 573 | 1247 static ngx_int_t |
| 1811 | 1248 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1249 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1250 { | |
| 1251 ngx_http_core_srv_conf_t *cscf; | |
| 1252 | |
| 1253 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1254 | |
| 1255 v->len = cscf->server_name.len; | |
| 1256 v->valid = 1; | |
| 1257 v->no_cacheable = 0; | |
| 1258 v->not_found = 0; | |
| 1259 v->data = cscf->server_name.data; | |
| 1260 | |
| 1261 return NGX_OK; | |
| 1262 } | |
| 1263 | |
| 1264 | |
| 1265 static ngx_int_t | |
| 573 | 1266 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1267 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1268 { |
| 647 | 1269 if (r->main->method_name.data) { |
| 1270 v->len = r->main->method_name.len; | |
| 573 | 1271 v->valid = 1; |
| 1565 | 1272 v->no_cacheable = 0; |
| 573 | 1273 v->not_found = 0; |
| 647 | 1274 v->data = r->main->method_name.data; |
| 573 | 1275 |
| 1276 } else { | |
| 1277 v->not_found = 1; | |
| 561 | 1278 } |
| 1279 | |
| 573 | 1280 return NGX_OK; |
| 561 | 1281 } |
| 1282 | |
| 1283 | |
| 573 | 1284 static ngx_int_t |
| 1285 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1286 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1287 { |
| 573 | 1288 ngx_int_t rc; |
| 539 | 1289 |
| 1290 rc = ngx_http_auth_basic_user(r); | |
| 1291 | |
| 1292 if (rc == NGX_DECLINED) { | |
| 573 | 1293 v->not_found = 1; |
| 1294 return NGX_OK; | |
| 539 | 1295 } |
| 1296 | |
| 1297 if (rc == NGX_ERROR) { | |
| 573 | 1298 return NGX_ERROR; |
| 539 | 1299 } |
| 1300 | |
| 573 | 1301 v->len = r->headers_in.user.len; |
| 1302 v->valid = 1; | |
| 1565 | 1303 v->no_cacheable = 0; |
| 573 | 1304 v->not_found = 0; |
| 1305 v->data = r->headers_in.user.data; | |
| 571 | 1306 |
| 573 | 1307 return NGX_OK; |
| 571 | 1308 } |
| 1309 | |
| 1310 | |
| 611 | 1311 static ngx_int_t |
| 1312 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1313 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1314 { | |
| 1315 off_t sent; | |
| 1316 u_char *p; | |
| 1317 | |
| 1318 sent = r->connection->sent - r->header_size; | |
| 1319 | |
| 1320 if (sent < 0) { | |
| 1321 sent = 0; | |
| 1322 } | |
| 1323 | |
| 2049 | 1324 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1325 if (p == NULL) { |
| 1326 return NGX_ERROR; | |
| 1327 } | |
| 1328 | |
| 1329 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1330 v->valid = 1; | |
| 1565 | 1331 v->no_cacheable = 0; |
| 611 | 1332 v->not_found = 0; |
| 1333 v->data = p; | |
| 1334 | |
| 1335 return NGX_OK; | |
| 1336 } | |
| 1337 | |
| 1338 | |
| 629 | 1339 static ngx_int_t |
| 641 | 1340 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1341 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1342 { | |
| 1343 if (r->headers_out.content_type.len) { | |
| 1344 v->len = r->headers_out.content_type.len; | |
| 1345 v->valid = 1; | |
| 1565 | 1346 v->no_cacheable = 0; |
| 641 | 1347 v->not_found = 0; |
| 1348 v->data = r->headers_out.content_type.data; | |
| 1349 | |
| 1350 } else { | |
| 1351 v->not_found = 1; | |
| 1352 } | |
| 1353 | |
| 1354 return NGX_OK; | |
| 1355 } | |
| 1356 | |
| 1357 | |
| 1358 static ngx_int_t | |
| 1359 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1360 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1361 { | |
| 1362 u_char *p; | |
| 1363 | |
| 1364 if (r->headers_out.content_length) { | |
| 1365 v->len = r->headers_out.content_length->value.len; | |
| 1366 v->valid = 1; | |
| 1565 | 1367 v->no_cacheable = 0; |
| 641 | 1368 v->not_found = 0; |
| 1369 v->data = r->headers_out.content_length->value.data; | |
| 1370 | |
| 1371 return NGX_OK; | |
| 1372 } | |
| 1373 | |
| 1374 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1375 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1376 if (p == NULL) { |
| 1377 return NGX_ERROR; | |
| 1378 } | |
| 1379 | |
| 1380 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1381 v->valid = 1; | |
| 1565 | 1382 v->no_cacheable = 0; |
| 641 | 1383 v->not_found = 0; |
| 1384 v->data = p; | |
| 1385 | |
| 1386 return NGX_OK; | |
| 1387 } | |
| 1388 | |
| 1389 v->not_found = 1; | |
| 1390 | |
| 1391 return NGX_OK; | |
| 1392 } | |
| 1393 | |
| 1394 | |
| 1395 static ngx_int_t | |
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1396 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1397 ngx_http_variable_value_t *v, uintptr_t data) |
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1398 { |
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1399 ngx_str_t name; |
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1400 |
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1401 if (r->headers_out.location) { |
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1402 v->len = r->headers_out.location->value.len; |
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1403 v->valid = 1; |
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1404 v->no_cacheable = 0; |
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1405 v->not_found = 0; |
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1406 v->data = r->headers_out.location->value.data; |
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1407 |
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1408 return NGX_OK; |
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1409 } |
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1410 |
|
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1411 ngx_str_set(&name, "sent_http_location"); |
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1412 |
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1413 return ngx_http_variable_unknown_header(v, &name, |
|
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1414 &r->headers_out.headers.part, |
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1415 sizeof("sent_http_") - 1); |
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1416 } |
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1417 |
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1418 |
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1419 static ngx_int_t |
| 641 | 1420 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1421 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1422 { | |
| 1423 u_char *p; | |
| 1424 | |
| 1425 if (r->headers_out.last_modified) { | |
| 1426 v->len = r->headers_out.last_modified->value.len; | |
| 1427 v->valid = 1; | |
| 1565 | 1428 v->no_cacheable = 0; |
| 641 | 1429 v->not_found = 0; |
| 1430 v->data = r->headers_out.last_modified->value.data; | |
| 1431 | |
| 1432 return NGX_OK; | |
| 1433 } | |
| 1434 | |
| 1435 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1436 p = ngx_pnalloc(r->pool, |
| 641 | 1437 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1438 if (p == NULL) { | |
| 1439 return NGX_ERROR; | |
| 1440 } | |
| 1441 | |
| 1442 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1443 v->valid = 1; | |
| 1565 | 1444 v->no_cacheable = 0; |
| 641 | 1445 v->not_found = 0; |
| 1446 v->data = p; | |
| 1447 | |
| 1448 return NGX_OK; | |
| 1449 } | |
| 1450 | |
| 1451 v->not_found = 1; | |
| 1452 | |
| 1453 return NGX_OK; | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 1457 static ngx_int_t | |
| 1458 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1459 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1460 { | |
| 1461 size_t len; | |
| 1462 char *p; | |
| 1463 | |
| 1464 if (r->keepalive) { | |
| 1465 len = sizeof("keep-alive") - 1; | |
| 1466 p = "keep-alive"; | |
| 1467 | |
| 1468 } else { | |
| 1469 len = sizeof("close") - 1; | |
| 1470 p = "close"; | |
| 1471 } | |
| 1472 | |
| 1473 v->len = len; | |
| 1474 v->valid = 1; | |
| 1565 | 1475 v->no_cacheable = 0; |
| 641 | 1476 v->not_found = 0; |
| 1477 v->data = (u_char *) p; | |
| 1478 | |
| 1479 return NGX_OK; | |
| 1480 } | |
| 1481 | |
| 1482 | |
| 1483 static ngx_int_t | |
| 1484 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1485 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1486 { | |
| 1487 u_char *p; | |
| 1488 ngx_http_core_loc_conf_t *clcf; | |
| 1489 | |
| 1490 if (r->keepalive) { | |
| 1491 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1492 | |
| 1493 if (clcf->keepalive_header) { | |
| 1494 | |
| 2049 | 1495 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1496 if (p == NULL) { |
| 1497 return NGX_ERROR; | |
| 1498 } | |
| 1499 | |
| 1500 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1501 v->valid = 1; | |
| 1565 | 1502 v->no_cacheable = 0; |
| 641 | 1503 v->not_found = 0; |
| 1504 v->data = p; | |
| 1505 | |
| 1506 return NGX_OK; | |
| 1507 } | |
| 1508 } | |
| 1509 | |
| 1510 v->not_found = 1; | |
| 1511 | |
| 1512 return NGX_OK; | |
| 1513 } | |
| 1514 | |
| 1515 | |
| 1516 static ngx_int_t | |
| 1517 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1518 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1519 { | |
| 1520 if (r->chunked) { | |
| 1521 v->len = sizeof("chunked") - 1; | |
| 1522 v->valid = 1; | |
| 1565 | 1523 v->no_cacheable = 0; |
| 641 | 1524 v->not_found = 0; |
| 1525 v->data = (u_char *) "chunked"; | |
| 1526 | |
| 1527 } else { | |
| 1528 v->not_found = 1; | |
| 1529 } | |
| 1530 | |
| 1531 return NGX_OK; | |
| 1532 } | |
| 1533 | |
| 1534 | |
| 1535 static ngx_int_t | |
| 629 | 1536 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1537 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1538 { | |
| 1539 if (r->request_complete) { | |
| 1540 v->len = 2; | |
| 1541 v->valid = 1; | |
| 1565 | 1542 v->no_cacheable = 0; |
| 629 | 1543 v->not_found = 0; |
| 1544 v->data = (u_char *) "OK"; | |
| 1545 | |
| 1546 return NGX_OK; | |
| 1547 } | |
| 1548 | |
| 1549 v->len = 0; | |
| 1550 v->valid = 1; | |
| 1565 | 1551 v->no_cacheable = 0; |
| 629 | 1552 v->not_found = 0; |
| 1553 v->data = (u_char *) ""; | |
| 1554 | |
| 1555 return NGX_OK; | |
| 1556 } | |
| 1557 | |
| 1558 | |
| 759 | 1559 static ngx_int_t |
| 2844 | 1560 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1561 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1562 { | |
| 1563 u_char *p; | |
| 1564 size_t len; | |
| 1565 ngx_buf_t *buf, *next; | |
| 1566 ngx_chain_t *cl; | |
| 1567 | |
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1568 if (r->request_body == NULL |
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1569 || r->request_body->bufs == NULL |
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1570 || r->request_body->temp_file) |
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1571 { |
| 2844 | 1572 v->not_found = 1; |
| 1573 | |
| 1574 return NGX_OK; | |
| 1575 } | |
| 1576 | |
| 1577 cl = r->request_body->bufs; | |
| 1578 buf = cl->buf; | |
| 1579 | |
| 1580 if (cl->next == NULL) { | |
| 1581 v->len = buf->last - buf->pos; | |
| 1582 v->valid = 1; | |
| 1583 v->no_cacheable = 0; | |
| 1584 v->not_found = 0; | |
| 1585 v->data = buf->pos; | |
| 1586 | |
| 1587 return NGX_OK; | |
| 1588 } | |
| 1589 | |
| 1590 next = cl->next->buf; | |
| 1591 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1592 | |
| 1593 p = ngx_pnalloc(r->pool, len); | |
| 1594 if (p == NULL) { | |
| 1595 return NGX_ERROR; | |
| 1596 } | |
| 1597 | |
| 1598 v->data = p; | |
| 1599 | |
| 1600 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1601 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1602 | |
| 1603 v->len = len; | |
| 1604 v->valid = 1; | |
| 1605 v->no_cacheable = 0; | |
| 1606 v->not_found = 0; | |
| 1607 | |
| 1608 return NGX_OK; | |
| 1609 } | |
| 1610 | |
| 1611 | |
| 1612 static ngx_int_t | |
| 759 | 1613 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1614 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1615 { | |
| 1616 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1617 v->not_found = 1; |
| 759 | 1618 |
| 1619 return NGX_OK; | |
| 1620 } | |
| 1621 | |
| 1622 v->len = r->request_body->temp_file->file.name.len; | |
| 1623 v->valid = 1; | |
| 1565 | 1624 v->no_cacheable = 0; |
| 759 | 1625 v->not_found = 0; |
| 1626 v->data = r->request_body->temp_file->file.name.data; | |
| 1627 | |
| 1628 return NGX_OK; | |
| 1629 } | |
| 1630 | |
| 1631 | |
| 1329 | 1632 static ngx_int_t |
| 1633 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1634 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1635 { | |
| 1636 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1637 v->valid = 1; | |
| 1565 | 1638 v->no_cacheable = 0; |
| 1329 | 1639 v->not_found = 0; |
| 1640 v->data = (u_char *) NGINX_VERSION; | |
| 1641 | |
| 1642 return NGX_OK; | |
| 1643 } | |
| 1644 | |
| 1645 | |
| 2011 | 1646 static ngx_int_t |
| 1647 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1648 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1649 { | |
| 1650 v->len = ngx_cycle->hostname.len; | |
| 1651 v->valid = 1; | |
| 1652 v->no_cacheable = 0; | |
| 1653 v->not_found = 0; | |
| 1654 v->data = ngx_cycle->hostname.data; | |
| 1655 | |
| 1656 return NGX_OK; | |
| 1657 } | |
| 1658 | |
| 1659 | |
| 2249 | 1660 static ngx_int_t |
| 1661 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1662 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1663 { | |
| 1664 u_char *p; | |
| 1665 | |
| 1666 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1667 if (p == NULL) { | |
| 1668 return NGX_ERROR; | |
| 1669 } | |
| 1670 | |
| 1671 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1672 v->valid = 1; | |
| 1673 v->no_cacheable = 0; | |
| 1674 v->not_found = 0; | |
| 1675 v->data = p; | |
| 1676 | |
| 1677 return NGX_OK; | |
| 1678 } | |
| 1679 | |
| 1680 | |
|
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1681 void * |
|
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1682 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
|
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1683 { |
|
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1684 void *value; |
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1685 u_char *low; |
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1686 size_t len; |
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1687 ngx_uint_t key; |
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1688 |
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1689 len = match->len; |
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1690 |
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1691 if (len) { |
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1692 low = ngx_pnalloc(r->pool, len); |
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1693 if (low == NULL) { |
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1694 return NULL; |
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1695 } |
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1696 |
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1697 } else { |
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1698 low = NULL; |
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1699 } |
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1700 |
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1701 key = ngx_hash_strlow(low, match->data, len); |
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1702 |
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1703 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1704 if (value) { |
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1705 return value; |
|
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1706 } |
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1707 |
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1708 #if (NGX_PCRE) |
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1709 |
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1710 if (len && map->nregex) { |
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1711 ngx_int_t n; |
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1712 ngx_uint_t i; |
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1713 ngx_http_map_regex_t *reg; |
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1714 |
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1715 reg = map->regex; |
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1716 |
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1717 for (i = 0; i < map->nregex; i++) { |
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1718 |
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1719 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1720 |
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1721 if (n == NGX_OK) { |
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1722 return reg[i].value; |
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1723 } |
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1724 |
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1725 if (n == NGX_DECLINED) { |
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1726 continue; |
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1727 } |
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1728 |
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1729 /* NGX_ERROR */ |
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1730 |
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1731 return NULL; |
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1732 } |
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1733 } |
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1734 |
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1735 #endif |
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1736 |
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1737 return NULL; |
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1738 } |
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1739 |
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1740 |
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1741 #if (NGX_PCRE) |
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1742 |
| 3325 | 1743 static ngx_int_t |
| 1744 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 1745 uintptr_t data) | |
| 1746 { | |
| 1747 v->not_found = 1; | |
| 1748 return NGX_OK; | |
| 1749 } | |
| 1750 | |
| 1751 | |
| 1752 ngx_http_regex_t * | |
| 1753 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 1754 { | |
| 1755 u_char *p; | |
| 1756 size_t size; | |
| 1757 ngx_str_t name; | |
| 1758 ngx_uint_t i, n; | |
| 1759 ngx_http_variable_t *v; | |
| 1760 ngx_http_regex_t *re; | |
| 1761 ngx_http_regex_variable_t *rv; | |
| 1762 ngx_http_core_main_conf_t *cmcf; | |
| 1763 | |
| 1764 rc->pool = cf->pool; | |
| 1765 | |
| 1766 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 1767 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 1768 return NULL; | |
| 1769 } | |
| 1770 | |
| 1771 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
| 1772 if (re == NULL) { | |
| 1773 return NULL; | |
| 1774 } | |
| 1775 | |
| 1776 re->regex = rc->regex; | |
| 1777 re->ncaptures = rc->captures; | |
| 1778 | |
| 1779 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1780 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 1781 | |
| 1782 n = (ngx_uint_t) rc->named_captures; | |
| 1783 | |
| 1784 if (n == 0) { | |
| 1785 return re; | |
| 1786 } | |
| 1787 | |
| 1788 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
| 1789 if (rv == NULL) { | |
| 1790 return NULL; | |
| 1791 } | |
| 1792 | |
| 1793 re->variables = rv; | |
| 1794 re->nvariables = n; | |
| 1795 re->name = rc->pattern; | |
| 1796 | |
| 1797 size = rc->name_size; | |
| 1798 p = rc->names; | |
| 1799 | |
| 1800 for (i = 0; i < n; i++) { | |
| 1801 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 1802 | |
| 1803 name.data = &p[2]; | |
| 1804 name.len = ngx_strlen(name.data); | |
| 1805 | |
| 1806 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 1807 if (v == NULL) { | |
| 1808 return NULL; | |
| 1809 } | |
| 1810 | |
| 1811 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
| 1812 if (rv[i].index == NGX_ERROR) { | |
| 1813 return NULL; | |
| 1814 } | |
| 1815 | |
| 1816 v->get_handler = ngx_http_variable_not_found; | |
| 1817 | |
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1818 p += size; |
| 3325 | 1819 } |
| 1820 | |
| 1821 return re; | |
| 1822 } | |
| 1823 | |
| 1824 | |
| 1825 ngx_int_t | |
| 1826 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
| 1827 { | |
| 1828 ngx_int_t rc, index; | |
| 1829 ngx_uint_t i, n, len; | |
| 1830 ngx_http_variable_value_t *vv; | |
| 1831 ngx_http_core_main_conf_t *cmcf; | |
| 1832 | |
| 1833 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1834 | |
| 1835 if (re->ncaptures) { | |
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1836 len = cmcf->ncaptures; |
| 3325 | 1837 |
| 1838 if (r->captures == NULL) { | |
| 1839 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
| 1840 if (r->captures == NULL) { | |
| 1841 return NGX_ERROR; | |
| 1842 } | |
| 1843 } | |
| 1844 | |
| 1845 } else { | |
| 1846 len = 0; | |
| 1847 } | |
| 1848 | |
| 1849 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
| 1850 | |
| 1851 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 1852 return NGX_DECLINED; | |
| 1853 } | |
| 1854 | |
| 1855 if (rc < 0) { | |
| 1856 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 1857 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 1858 rc, s, &re->name); | |
| 1859 return NGX_ERROR; | |
| 1860 } | |
| 1861 | |
| 1862 for (i = 0; i < re->nvariables; i++) { | |
| 1863 | |
| 1864 n = re->variables[i].capture; | |
| 1865 index = re->variables[i].index; | |
| 1866 vv = &r->variables[index]; | |
| 1867 | |
| 1868 vv->len = r->captures[n + 1] - r->captures[n]; | |
| 1869 vv->valid = 1; | |
| 1870 vv->no_cacheable = 0; | |
| 1871 vv->not_found = 0; | |
| 1872 vv->data = &s->data[r->captures[n]]; | |
| 1873 | |
| 1874 #if (NGX_DEBUG) | |
| 1875 { | |
| 1876 ngx_http_variable_t *v; | |
| 1877 | |
| 1878 v = cmcf->variables.elts; | |
| 1879 | |
| 1880 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1881 "http regex set $%V to \"%*s\"", | |
| 1882 &v[index].name, vv->len, vv->data); | |
| 1883 } | |
| 1884 #endif | |
| 1885 } | |
| 1886 | |
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1887 r->ncaptures = rc * 2; |
| 3325 | 1888 r->captures_data = s->data; |
| 1889 | |
| 1890 return NGX_OK; | |
| 1891 } | |
| 1892 | |
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1893 #endif |
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1894 |
| 3325 | 1895 |
| 499 | 1896 ngx_int_t |
| 509 | 1897 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1898 { |
| 611 | 1899 ngx_int_t rc; |
| 1900 ngx_http_variable_t *v; | |
| 501 | 1901 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1902 |
| 509 | 1903 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1904 | |
| 611 | 1905 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1906 sizeof(ngx_hash_keys_arrays_t)); | |
| 1907 if (cmcf->variables_keys == NULL) { | |
| 1908 return NGX_ERROR; | |
| 1909 } | |
| 1910 | |
| 1911 cmcf->variables_keys->pool = cf->pool; | |
| 1912 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1913 | |
| 1914 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1915 != NGX_OK) | |
| 509 | 1916 { |
| 499 | 1917 return NGX_ERROR; |
| 1918 } | |
| 1919 | |
| 611 | 1920 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1921 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1922 NGX_HASH_READONLY_KEY); | |
| 1923 | |
| 1924 if (rc == NGX_OK) { | |
| 1925 continue; | |
| 499 | 1926 } |
| 1927 | |
| 611 | 1928 if (rc == NGX_BUSY) { |
| 1929 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1930 "conflicting variable name \"%V\"", &v->name); | |
| 1931 } | |
| 1932 | |
| 1933 return NGX_ERROR; | |
| 499 | 1934 } |
| 1935 | |
| 1936 return NGX_OK; | |
| 1937 } | |
| 509 | 1938 |
| 1939 | |
| 1940 ngx_int_t | |
| 1941 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1942 { | |
| 1943 ngx_uint_t i, n; | |
| 611 | 1944 ngx_hash_key_t *key; |
| 1945 ngx_hash_init_t hash; | |
| 509 | 1946 ngx_http_variable_t *v, *av; |
| 1947 ngx_http_core_main_conf_t *cmcf; | |
| 1948 | |
| 1949 /* set the handlers for the indexed http variables */ | |
| 1950 | |
| 1951 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1952 | |
| 1953 v = cmcf->variables.elts; | |
| 611 | 1954 key = cmcf->variables_keys->keys.elts; |
| 509 | 1955 |
| 1956 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1957 | |
| 611 | 1958 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1959 |
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1960 av = key[n].value; |
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1961 |
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1962 if (av->get_handler |
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1963 && v[i].name.len == key[n].key.len |
| 611 | 1964 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1965 == 0) |
| 1966 { | |
| 637 | 1967 v[i].get_handler = av->get_handler; |
| 611 | 1968 v[i].data = av->data; |
| 527 | 1969 |
| 611 | 1970 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1971 v[i].flags = av->flags; | |
| 509 | 1972 |
| 611 | 1973 av->index = i; |
| 533 | 1974 |
| 509 | 1975 goto next; |
| 1976 } | |
| 1977 } | |
| 1978 | |
| 1979 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1980 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1981 v[i].data = (uintptr_t) &v[i].name; |
| 1982 | |
| 1983 continue; | |
| 1984 } | |
| 1985 | |
| 1986 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1987 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1988 v[i].data = (uintptr_t) &v[i].name; |
| 1989 | |
| 1990 continue; | |
| 1991 } | |
| 1992 | |
| 1162 | 1993 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1994 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1995 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1996 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1997 |
| 1998 continue; | |
| 1999 } | |
| 2000 | |
| 2307 | 2001 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 2002 v[i].get_handler = ngx_http_variable_cookie; | |
| 2003 v[i].data = (uintptr_t) &v[i].name; | |
| 2004 | |
| 2005 continue; | |
| 2006 } | |
| 2007 | |
| 2137 | 2008 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 2009 v[i].get_handler = ngx_http_variable_argument; | |
| 2010 v[i].data = (uintptr_t) &v[i].name; | |
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2011 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 2137 | 2012 |
| 2013 continue; | |
| 2014 } | |
| 2015 | |
| 509 | 2016 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 2017 "unknown \"%V\" variable", &v[i].name); | |
| 2018 | |
| 2019 return NGX_ERROR; | |
| 2020 | |
| 2021 next: | |
| 2022 continue; | |
| 2023 } | |
| 2024 | |
| 2025 | |
| 611 | 2026 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 2027 av = key[n].value; | |
| 2028 | |
| 2029 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 2030 key[n].key.data = NULL; | |
| 583 | 2031 } |
| 2032 } | |
| 2033 | |
| 2034 | |
| 611 | 2035 hash.hash = &cmcf->variables_hash; |
| 2036 hash.key = ngx_hash_key; | |
| 2037 hash.max_size = cmcf->variables_hash_max_size; | |
| 2038 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 2039 hash.name = "variables_hash"; | |
| 2040 hash.pool = cf->pool; | |
| 2041 hash.temp_pool = NULL; | |
| 509 | 2042 |
| 611 | 2043 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 2044 cmcf->variables_keys->keys.nelts) | |
| 581 | 2045 != NGX_OK) |
| 509 | 2046 { |
| 2047 return NGX_ERROR; | |
| 2048 } | |
| 2049 | |
| 611 | 2050 cmcf->variables_keys = NULL; |
| 509 | 2051 |
| 2052 return NGX_OK; | |
| 2053 } |