Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2844:2f3c80ff2123
$request_body variable
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 14 May 2009 11:40:51 +0000 |
| parents | 051e9b12428e |
| children | 507fc5ac9839 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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$cookie_... variable did not for SSI and perl
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29 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 31 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 32 |
| 573 | 33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 34 ngx_http_variable_value_t *v, uintptr_t data); | |
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ngx_http_variable_binary_remote_addr()
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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36 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 51 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 53 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 55 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 57 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2844 | 65 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 67 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 69 |
| 641 | 70 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 72 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
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74 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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75 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 76 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 | |
| 1329 | 85 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 87 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 89 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 90 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 91 |
| 509 | 92 /* |
| 93 * TODO: | |
| 94 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 95 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 96 * SERVER_SOFTWARE | |
| 97 * | |
| 571 | 98 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 99 */ |
| 499 | 100 |
| 641 | 101 /* |
| 102 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 103 * and $http_x_forwarded_for variables may be handled by generic | |
| 104 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 105 * they are handled using dedicated entries | |
| 106 */ | |
| 107 | |
| 509 | 108 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 109 | |
| 637 | 110 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 111 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 112 |
| 637 | 113 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 114 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 115 |
| 637 | 116 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 118 |
| 119 #if (NGX_HTTP_GZIP) | |
| 637 | 120 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 121 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 122 #endif |
| 123 | |
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124 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 125 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 126 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 127 #endif |
| 128 | |
| 637 | 129 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 130 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 131 |
| 637 | 132 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 133 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 134 |
| 637 | 135 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 136 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 137 |
| 637 | 138 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 139 |
| 982 | 140 { ngx_string("binary_remote_addr"), NULL, |
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141 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 142 |
| 637 | 143 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 144 |
| 637 | 145 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 146 |
| 637 | 147 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 148 |
| 637 | 149 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 150 |
| 637 | 151 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 152 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 153 |
| 731 | 154 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 155 | |
| 637 | 156 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 157 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 158 |
| 637 | 159 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 160 offsetof(ngx_http_request_t, uri), | |
| 1565 | 161 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 162 |
| 163 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 164 offsetof(ngx_http_request_t, uri), |
| 1565 | 165 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 166 |
| 637 | 167 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 168 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 169 | |
| 637 | 170 { ngx_string("document_root"), NULL, |
| 1565 | 171 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 172 |
| 2259 | 173 { ngx_string("realpath_root"), NULL, |
| 174 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 175 | |
| 637 | 176 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 177 offsetof(ngx_http_request_t, args), |
| 1565 | 178 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 179 |
| 1350 | 180 { ngx_string("args"), |
| 181 ngx_http_variable_request_set, | |
| 182 ngx_http_variable_request, | |
| 589 | 183 offsetof(ngx_http_request_t, args), |
| 1565 | 184 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 185 |
| 1351 | 186 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 187 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 188 |
| 637 | 189 { ngx_string("request_filename"), NULL, |
| 190 ngx_http_variable_request_filename, 0, | |
| 1565 | 191 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 192 |
| 1811 | 193 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 194 |
| 637 | 195 { ngx_string("request_method"), NULL, |
| 196 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 197 |
| 637 | 198 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 199 |
| 637 | 200 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 201 0, 0, 0 }, |
| 202 | |
| 637 | 203 { ngx_string("request_completion"), NULL, |
| 204 ngx_http_variable_request_completion, | |
| 629 | 205 0, 0, 0 }, |
| 206 | |
| 2844 | 207 { ngx_string("request_body"), NULL, |
| 208 ngx_http_variable_request_body, | |
| 209 0, 0, 0 }, | |
| 210 | |
| 759 | 211 { ngx_string("request_body_file"), NULL, |
| 212 ngx_http_variable_request_body_file, | |
| 213 0, 0, 0 }, | |
| 214 | |
| 641 | 215 { ngx_string("sent_http_content_type"), NULL, |
| 216 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 217 | |
| 218 { ngx_string("sent_http_content_length"), NULL, | |
| 219 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 220 | |
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221 { ngx_string("sent_http_location"), NULL, |
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222 ngx_http_variable_sent_location, 0, 0, 0 }, |
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223 |
| 641 | 224 { ngx_string("sent_http_last_modified"), NULL, |
| 225 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 226 | |
| 227 { ngx_string("sent_http_connection"), NULL, | |
| 228 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 229 | |
| 230 { ngx_string("sent_http_keep_alive"), NULL, | |
| 231 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 232 | |
| 233 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 234 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 235 | |
| 236 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 237 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 238 | |
| 637 | 239 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 240 ngx_http_variable_request, | |
| 241 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 242 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 243 |
| 1329 | 244 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 245 0, 0, 0 }, | |
| 246 | |
| 2011 | 247 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 248 0, 0, 0 }, | |
| 249 | |
| 2249 | 250 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 251 0, 0, 0 }, | |
| 252 | |
| 637 | 253 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 254 }; |
| 255 | |
| 256 | |
| 577 | 257 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 258 ngx_http_variable(""); | |
| 259 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 260 ngx_http_variable("1"); | |
| 261 | |
| 262 | |
| 499 | 263 ngx_http_variable_t * |
| 509 | 264 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 265 { | |
| 611 | 266 ngx_int_t rc; |
| 509 | 267 ngx_uint_t i; |
| 611 | 268 ngx_hash_key_t *key; |
| 509 | 269 ngx_http_variable_t *v; |
| 270 ngx_http_core_main_conf_t *cmcf; | |
| 271 | |
| 272 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 273 | |
| 611 | 274 key = cmcf->variables_keys->keys.elts; |
| 275 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 276 if (name->len != key[i].key.len | |
| 277 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 278 { |
| 279 continue; | |
| 280 } | |
| 281 | |
| 611 | 282 v = key[i].value; |
| 283 | |
| 1565 | 284 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 285 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 286 "the duplicate \"%V\" variable", name); | |
| 287 return NULL; | |
| 288 } | |
| 289 | |
| 611 | 290 return v; |
| 509 | 291 } |
| 292 | |
| 611 | 293 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 294 if (v == NULL) { |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 298 v->name.len = name->len; | |
| 2049 | 299 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 300 if (v->name.data == NULL) { |
| 301 return NULL; | |
| 302 } | |
| 303 | |
| 2135 | 304 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 305 |
| 637 | 306 v->set_handler = NULL; |
| 307 v->get_handler = NULL; | |
| 509 | 308 v->data = 0; |
| 309 v->flags = flags; | |
| 533 | 310 v->index = 0; |
| 509 | 311 |
| 611 | 312 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 313 | |
| 314 if (rc == NGX_ERROR) { | |
| 315 return NULL; | |
| 316 } | |
| 317 | |
| 318 if (rc == NGX_BUSY) { | |
| 319 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 320 "conflicting variable name \"%V\"", name); | |
| 321 return NULL; | |
| 322 } | |
| 323 | |
| 509 | 324 return v; |
| 325 } | |
| 326 | |
| 327 | |
| 328 ngx_int_t | |
| 329 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 330 { |
| 501 | 331 ngx_uint_t i; |
| 332 ngx_http_variable_t *v; | |
| 499 | 333 ngx_http_core_main_conf_t *cmcf; |
| 334 | |
| 335 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 336 | |
| 501 | 337 v = cmcf->variables.elts; |
| 338 | |
| 339 if (v == NULL) { | |
| 499 | 340 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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341 sizeof(ngx_http_variable_t)) |
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342 != NGX_OK) |
| 499 | 343 { |
| 509 | 344 return NGX_ERROR; |
| 499 | 345 } |
| 501 | 346 |
| 347 } else { | |
| 348 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 349 if (name->len != v[i].name.len | |
| 350 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 351 { | |
| 352 continue; | |
| 353 } | |
| 354 | |
| 509 | 355 return i; |
| 501 | 356 } |
| 499 | 357 } |
| 358 | |
| 501 | 359 v = ngx_array_push(&cmcf->variables); |
| 360 if (v == NULL) { | |
| 509 | 361 return NGX_ERROR; |
| 499 | 362 } |
| 363 | |
| 501 | 364 v->name.len = name->len; |
| 2049 | 365 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 366 if (v->name.data == NULL) { |
| 509 | 367 return NGX_ERROR; |
| 501 | 368 } |
| 499 | 369 |
| 2135 | 370 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 371 |
| 637 | 372 v->set_handler = NULL; |
| 373 v->get_handler = NULL; | |
| 501 | 374 v->data = 0; |
| 509 | 375 v->flags = 0; |
| 533 | 376 v->index = cmcf->variables.nelts - 1; |
| 501 | 377 |
| 509 | 378 return cmcf->variables.nelts - 1; |
| 499 | 379 } |
| 380 | |
| 381 | |
| 382 ngx_http_variable_value_t * | |
| 383 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 384 { | |
| 501 | 385 ngx_http_variable_t *v; |
| 499 | 386 ngx_http_core_main_conf_t *cmcf; |
| 387 | |
| 388 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 389 | |
| 553 | 390 if (cmcf->variables.nelts <= index) { |
| 499 | 391 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 392 "unknown variable index: %d", index); | |
| 393 return NULL; | |
| 394 } | |
| 395 | |
| 573 | 396 if (r->variables[index].not_found || r->variables[index].valid) { |
| 397 return &r->variables[index]; | |
| 501 | 398 } |
| 499 | 399 |
| 501 | 400 v = cmcf->variables.elts; |
| 499 | 401 |
| 637 | 402 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 403 == NGX_OK) | |
| 404 { | |
| 1565 | 405 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 406 r->variables[index].no_cacheable = 1; | |
| 499 | 407 } |
| 573 | 408 |
| 409 return &r->variables[index]; | |
| 499 | 410 } |
| 411 | |
| 657 | 412 r->variables[index].valid = 0; |
| 413 r->variables[index].not_found = 1; | |
| 414 | |
| 798 | 415 return NULL; |
| 573 | 416 } |
| 417 | |
| 418 | |
| 419 ngx_http_variable_value_t * | |
| 420 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 421 { | |
| 1150 | 422 ngx_http_variable_value_t *v; |
| 573 | 423 |
| 424 v = &r->variables[index]; | |
| 425 | |
| 426 if (v->valid) { | |
| 1565 | 427 if (!v->no_cacheable) { |
| 573 | 428 return v; |
| 429 } | |
| 430 | |
| 431 v->valid = 0; | |
| 432 v->not_found = 0; | |
| 509 | 433 } |
| 501 | 434 |
| 573 | 435 return ngx_http_get_indexed_variable(r, index); |
| 499 | 436 } |
| 437 | |
| 438 | |
| 439 ngx_http_variable_value_t * | |
| 635 | 440 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 441 ngx_uint_t nowarn) | |
| 499 | 442 { |
| 501 | 443 ngx_http_variable_t *v; |
| 573 | 444 ngx_http_variable_value_t *vv; |
| 499 | 445 ngx_http_core_main_conf_t *cmcf; |
| 446 | |
| 447 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 448 | |
| 611 | 449 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 450 |
| 611 | 451 if (v) { |
| 452 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 453 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 454 |
| 455 } else { | |
| 499 | 456 |
| 573 | 457 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 458 |
| 637 | 459 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 460 return vv; |
| 461 } | |
| 509 | 462 |
| 573 | 463 return NULL; |
| 464 } | |
| 509 | 465 } |
| 466 | |
| 467 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 468 if (vv == NULL) { | |
| 469 return NULL; | |
| 470 } | |
| 471 | |
| 573 | 472 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 473 |
| 577 | 474 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 475 == NGX_OK) | |
| 476 { | |
| 477 return vv; | |
| 478 } | |
| 479 | |
| 480 return NULL; | |
| 481 } | |
| 482 | |
| 483 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 484 | |
| 485 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 486 == NGX_OK) | |
| 573 | 487 { |
| 488 return vv; | |
| 489 } | |
| 499 | 490 |
| 491 return NULL; | |
| 492 } | |
| 493 | |
| 1162 | 494 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 495 | |
| 496 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 497 == NGX_OK) | |
| 498 { | |
| 499 return vv; | |
| 500 } | |
| 501 | |
| 502 return NULL; | |
| 503 } | |
| 504 | |
| 2307 | 505 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 506 | |
|
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507 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 508 return vv; |
| 509 } | |
| 510 | |
| 511 return NULL; | |
| 512 } | |
| 513 | |
| 2137 | 514 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 515 | |
| 516 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 517 return vv; | |
| 518 } | |
| 519 | |
| 520 return NULL; | |
| 521 } | |
| 522 | |
| 635 | 523 vv->not_found = 1; |
| 573 | 524 |
| 635 | 525 if (nowarn == 0) { |
| 526 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 527 "unknown \"%V\" variable", name); | |
| 528 } | |
| 499 | 529 |
| 501 | 530 return vv; |
| 499 | 531 } |
| 532 | |
| 533 | |
| 573 | 534 static ngx_int_t |
| 535 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 536 uintptr_t data) | |
| 537 { | |
| 538 ngx_str_t *s; | |
| 539 | |
| 540 s = (ngx_str_t *) ((char *) r + data); | |
| 541 | |
| 542 if (s->data) { | |
| 543 v->len = s->len; | |
| 544 v->valid = 1; | |
| 1565 | 545 v->no_cacheable = 0; |
| 573 | 546 v->not_found = 0; |
| 547 v->data = s->data; | |
| 548 | |
| 549 } else { | |
| 550 v->not_found = 1; | |
| 551 } | |
| 552 | |
| 553 return NGX_OK; | |
| 554 } | |
| 555 | |
| 556 | |
| 637 | 557 static void |
| 1350 | 558 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 559 ngx_http_variable_value_t *v, uintptr_t data) | |
| 560 { | |
| 561 ngx_str_t *s; | |
| 562 | |
| 563 s = (ngx_str_t *) ((char *) r + data); | |
| 564 | |
| 565 s->len = v->len; | |
| 566 s->data = v->data; | |
| 567 } | |
| 568 | |
| 569 | |
| 570 static void | |
| 637 | 571 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 572 ngx_http_variable_value_t *v, uintptr_t data) | |
| 573 { | |
| 574 ssize_t s, *sp; | |
| 575 ngx_str_t val; | |
| 576 | |
|
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577 val.len = v->len; |
| 637 | 578 val.data = v->data; |
| 579 | |
| 580 s = ngx_parse_size(&val); | |
| 581 | |
| 582 if (s == NGX_ERROR) { | |
| 583 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 584 "invalid size \"%V\"", &val); | |
| 585 return; | |
| 586 } | |
| 587 | |
| 588 sp = (ssize_t *) ((char *) r + data); | |
| 589 | |
| 590 *sp = s; | |
| 591 | |
| 592 return; | |
| 593 } | |
| 594 | |
| 595 | |
| 573 | 596 static ngx_int_t |
| 597 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 598 uintptr_t data) | |
| 515 | 599 { |
| 573 | 600 ngx_table_elt_t *h; |
| 601 | |
| 602 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 603 | |
| 604 if (h) { | |
| 605 v->len = h->value.len; | |
| 606 v->valid = 1; | |
| 1565 | 607 v->no_cacheable = 0; |
| 573 | 608 v->not_found = 0; |
| 609 v->data = h->value.data; | |
| 610 | |
| 611 } else { | |
| 612 v->not_found = 1; | |
| 613 } | |
| 614 | |
| 615 return NGX_OK; | |
| 616 } | |
| 617 | |
| 618 | |
| 619 static ngx_int_t | |
| 620 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 621 uintptr_t data) | |
| 622 { | |
| 667 | 623 ssize_t len; |
| 573 | 624 u_char *p; |
| 667 | 625 ngx_uint_t i, n; |
| 573 | 626 ngx_array_t *a; |
| 627 ngx_table_elt_t **h; | |
| 515 | 628 |
| 629 a = (ngx_array_t *) ((char *) r + data); | |
| 630 | |
| 667 | 631 n = a->nelts; |
| 632 | |
| 633 if (n == 0) { | |
| 573 | 634 v->not_found = 1; |
| 635 return NGX_OK; | |
| 515 | 636 } |
| 637 | |
| 573 | 638 v->valid = 1; |
| 1565 | 639 v->no_cacheable = 0; |
| 573 | 640 v->not_found = 0; |
| 515 | 641 |
| 642 h = a->elts; | |
| 643 | |
| 667 | 644 if (n == 1) { |
| 573 | 645 v->len = (*h)->value.len; |
| 646 v->data = (*h)->value.data; | |
| 515 | 647 |
| 573 | 648 return NGX_OK; |
| 515 | 649 } |
| 650 | |
| 667 | 651 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 652 |
| 667 | 653 for (i = 0; i < n; i++) { |
| 573 | 654 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 655 } |
| 656 | |
| 2049 | 657 p = ngx_pnalloc(r->pool, len); |
| 573 | 658 if (p == NULL) { |
| 659 return NGX_ERROR; | |
| 660 } | |
| 661 | |
| 662 v->len = len; | |
| 663 v->data = p; | |
| 515 | 664 |
| 665 for (i = 0; /* void */ ; i++) { | |
| 573 | 666 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 667 |
| 667 | 668 if (i == n - 1) { |
| 515 | 669 break; |
| 670 } | |
| 671 | |
| 672 *p++ = ';'; *p++ = ' '; | |
| 673 } | |
| 674 | |
| 573 | 675 return NGX_OK; |
| 515 | 676 } |
| 677 | |
| 678 | |
| 573 | 679 static ngx_int_t |
| 577 | 680 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 681 ngx_http_variable_value_t *v, uintptr_t data) | |
| 682 { | |
| 683 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 684 &r->headers_in.headers.part, | |
| 685 sizeof("http_") - 1); | |
| 686 } | |
| 687 | |
| 688 | |
| 689 static ngx_int_t | |
| 690 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 691 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 692 { |
| 577 | 693 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 694 &r->headers_out.headers.part, | |
| 695 sizeof("sent_http_") - 1); | |
| 696 } | |
| 501 | 697 |
| 577 | 698 |
| 1162 | 699 ngx_int_t |
| 577 | 700 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 701 ngx_list_part_t *part, size_t prefix) | |
| 702 { | |
| 573 | 703 u_char ch; |
| 704 ngx_uint_t i, n; | |
| 705 ngx_table_elt_t *header; | |
| 499 | 706 |
| 707 header = part->elts; | |
| 708 | |
| 709 for (i = 0; /* void */ ; i++) { | |
| 710 | |
| 711 if (i >= part->nelts) { | |
| 712 if (part->next == NULL) { | |
| 713 break; | |
| 714 } | |
| 715 | |
| 716 part = part->next; | |
| 717 header = part->elts; | |
| 718 i = 0; | |
| 719 } | |
| 720 | |
| 577 | 721 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 722 ch = header[i].key.data[n]; |
| 723 | |
| 509 | 724 if (ch >= 'A' && ch <= 'Z') { |
| 725 ch |= 0x20; | |
| 499 | 726 |
| 727 } else if (ch == '-') { | |
| 728 ch = '_'; | |
| 729 } | |
| 730 | |
| 577 | 731 if (var->data[n + prefix] != ch) { |
| 499 | 732 break; |
| 733 } | |
| 734 } | |
| 735 | |
|
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736 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 737 v->len = header[i].value.len; |
| 738 v->valid = 1; | |
| 1565 | 739 v->no_cacheable = 0; |
| 573 | 740 v->not_found = 0; |
| 741 v->data = header[i].value.data; | |
| 499 | 742 |
| 573 | 743 return NGX_OK; |
| 499 | 744 } |
| 745 } | |
| 746 | |
| 573 | 747 v->not_found = 1; |
| 748 | |
| 749 return NGX_OK; | |
| 509 | 750 } |
| 751 | |
| 752 | |
| 573 | 753 static ngx_int_t |
| 2307 | 754 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 755 uintptr_t data) | |
| 756 { | |
| 757 ngx_str_t *name = (ngx_str_t *) data; | |
| 758 | |
| 759 ngx_str_t cookie, s; | |
| 760 | |
| 761 s.len = name->len - (sizeof("cookie_") - 1); | |
| 762 s.data = name->data + sizeof("cookie_") - 1; | |
| 763 | |
| 764 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 765 == NGX_DECLINED) | |
| 766 { | |
| 767 v->not_found = 1; | |
| 768 return NGX_OK; | |
| 769 } | |
| 770 | |
| 771 v->len = cookie.len; | |
| 772 v->valid = 1; | |
| 773 v->no_cacheable = 0; | |
| 774 v->not_found = 0; | |
| 775 v->data = cookie.data; | |
| 776 | |
| 777 return NGX_OK; | |
| 778 } | |
| 779 | |
| 780 | |
| 781 static ngx_int_t | |
| 2137 | 782 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 783 uintptr_t data) | |
| 784 { | |
| 785 ngx_str_t *name = (ngx_str_t *) data; | |
| 786 | |
| 2415 | 787 u_char *arg; |
| 788 size_t len; | |
| 789 ngx_str_t value; | |
| 2137 | 790 |
| 2415 | 791 len = name->len - (sizeof("arg_") - 1); |
| 792 arg = name->data + sizeof("arg_") - 1; | |
| 793 | |
| 794 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 795 v->not_found = 1; |
| 796 return NGX_OK; | |
| 797 } | |
| 798 | |
| 2415 | 799 v->data = value.data; |
| 800 v->len = value.len; | |
| 801 v->valid = 1; | |
| 802 v->no_cacheable = 0; | |
| 803 v->not_found = 0; | |
| 2137 | 804 |
| 805 return NGX_OK; | |
| 806 } | |
| 807 | |
| 808 | |
| 809 static ngx_int_t | |
| 573 | 810 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 811 uintptr_t data) | |
| 509 | 812 { |
| 1811 | 813 ngx_http_core_srv_conf_t *cscf; |
| 814 | |
|
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815 if (r->headers_in.server.len) { |
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816 v->len = r->headers_in.server.len; |
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817 v->data = r->headers_in.server.data; |
|
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818 |
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819 } else { |
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820 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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821 |
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822 v->len = cscf->server_name.len; |
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823 v->data = cscf->server_name.data; |
| 509 | 824 } |
| 825 | |
| 573 | 826 v->valid = 1; |
| 1565 | 827 v->no_cacheable = 0; |
| 573 | 828 v->not_found = 0; |
| 509 | 829 |
| 573 | 830 return NGX_OK; |
| 499 | 831 } |
| 832 | |
| 833 | |
| 573 | 834 static ngx_int_t |
|
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835 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 836 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 837 { |
|
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838 struct sockaddr_in *sin; |
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839 #if (NGX_HAVE_INET6) |
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840 struct sockaddr_in6 *sin6; |
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841 #endif |
| 982 | 842 |
|
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843 switch (r->connection->sockaddr->sa_family) { |
|
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844 |
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845 #if (NGX_HAVE_INET6) |
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846 case AF_INET6: |
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847 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 848 |
|
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849 v->len = sizeof(struct in6_addr); |
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850 v->valid = 1; |
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851 v->no_cacheable = 0; |
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852 v->not_found = 0; |
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853 v->data = (u_char *) &sin6->sin6_addr; |
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854 |
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855 break; |
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856 #endif |
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857 |
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858 default: /* AF_INET */ |
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859 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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860 |
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861 v->len = sizeof(in_addr_t); |
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862 v->valid = 1; |
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863 v->no_cacheable = 0; |
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864 v->not_found = 0; |
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865 v->data = (u_char *) &sin->sin_addr; |
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866 |
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867 break; |
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868 } |
| 982 | 869 |
|
983
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870 return NGX_OK; |
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871 } |
| 982 | 872 |
| 873 | |
|
983
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874 static ngx_int_t |
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875 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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876 ngx_http_variable_value_t *v, uintptr_t data) |
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877 { |
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878 v->len = r->connection->addr_text.len; |
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879 v->valid = 1; |
| 1565 | 880 v->no_cacheable = 0; |
|
983
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881 v->not_found = 0; |
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882 v->data = r->connection->addr_text.data; |
| 499 | 883 |
| 573 | 884 return NGX_OK; |
| 499 | 885 } |
| 886 | |
| 887 | |
| 573 | 888 static ngx_int_t |
| 889 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 890 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 891 { |
|
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892 ngx_uint_t port; |
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893 struct sockaddr_in *sin; |
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894 #if (NGX_HAVE_INET6) |
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895 struct sockaddr_in6 *sin6; |
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896 #endif |
| 509 | 897 |
| 573 | 898 v->len = 0; |
| 899 v->valid = 1; | |
| 1565 | 900 v->no_cacheable = 0; |
| 573 | 901 v->not_found = 0; |
| 509 | 902 |
| 2049 | 903 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 904 if (v->data == NULL) { |
| 905 return NGX_ERROR; | |
| 509 | 906 } |
| 907 | |
|
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908 switch (r->connection->sockaddr->sa_family) { |
| 577 | 909 |
|
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910 #if (NGX_HAVE_INET6) |
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911 case AF_INET6: |
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912 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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913 port = ntohs(sin6->sin6_port); |
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914 break; |
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915 #endif |
| 577 | 916 |
|
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917 default: /* AF_INET */ |
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918 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 919 port = ntohs(sin->sin_port); |
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920 break; |
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921 } |
| 577 | 922 |
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923 if (port > 0 && port < 65536) { |
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924 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 925 } |
| 926 | |
| 573 | 927 return NGX_OK; |
| 509 | 928 } |
| 929 | |
| 930 | |
| 573 | 931 static ngx_int_t |
| 932 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 933 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 934 { |
| 1805 | 935 ngx_str_t s; |
|
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936 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 937 |
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938 s.len = NGX_SOCKADDR_STRLEN; |
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939 s.data = addr; |
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940 |
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941 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
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942 return NGX_ERROR; |
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943 } |
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944 |
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945 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 946 if (s.data == NULL) { |
| 573 | 947 return NGX_ERROR; |
| 509 | 948 } |
| 949 | |
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950 ngx_memcpy(s.data, addr, s.len); |
| 509 | 951 |
| 1805 | 952 v->len = s.len; |
| 573 | 953 v->valid = 1; |
| 1565 | 954 v->no_cacheable = 0; |
| 573 | 955 v->not_found = 0; |
| 1805 | 956 v->data = s.data; |
| 499 | 957 |
| 573 | 958 return NGX_OK; |
| 499 | 959 } |
| 960 | |
| 961 | |
| 573 | 962 static ngx_int_t |
| 963 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 964 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 965 { |
| 2533 | 966 ngx_uint_t port; |
| 967 struct sockaddr_in *sin; | |
| 968 #if (NGX_HAVE_INET6) | |
| 969 struct sockaddr_in6 *sin6; | |
| 970 #endif | |
| 971 | |
| 972 v->len = 0; | |
| 573 | 973 v->valid = 1; |
| 1565 | 974 v->no_cacheable = 0; |
| 573 | 975 v->not_found = 0; |
| 2533 | 976 |
| 977 if (ngx_http_server_addr(r, NULL) != NGX_OK) { | |
| 978 return NGX_ERROR; | |
| 979 } | |
| 980 | |
| 981 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 982 if (v->data == NULL) { | |
| 983 return NGX_ERROR; | |
| 984 } | |
| 985 | |
| 986 switch (r->connection->local_sockaddr->sa_family) { | |
| 987 | |
| 988 #if (NGX_HAVE_INET6) | |
| 989 case AF_INET6: | |
| 990 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 991 port = ntohs(sin6->sin6_port); | |
| 992 break; | |
| 993 #endif | |
| 994 | |
| 995 default: /* AF_INET */ | |
| 996 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 997 port = ntohs(sin->sin_port); | |
| 998 break; | |
| 999 } | |
| 1000 | |
| 1001 if (port > 0 && port < 65536) { | |
| 1002 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1003 } | |
| 509 | 1004 |
| 573 | 1005 return NGX_OK; |
| 509 | 1006 } |
| 1007 | |
| 1008 | |
| 573 | 1009 static ngx_int_t |
| 731 | 1010 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1011 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1012 { | |
| 1013 #if (NGX_HTTP_SSL) | |
| 1014 | |
| 1015 if (r->connection->ssl) { | |
| 1016 v->len = sizeof("https") - 1; | |
| 1017 v->valid = 1; | |
| 1565 | 1018 v->no_cacheable = 0; |
| 731 | 1019 v->not_found = 0; |
| 732 | 1020 v->data = (u_char *) "https"; |
| 731 | 1021 |
| 1022 return NGX_OK; | |
| 1023 } | |
| 1024 | |
| 1025 #endif | |
| 1026 | |
| 1027 v->len = sizeof("http") - 1; | |
| 1028 v->valid = 1; | |
| 1565 | 1029 v->no_cacheable = 0; |
| 731 | 1030 v->not_found = 0; |
| 732 | 1031 v->data = (u_char *) "http"; |
| 731 | 1032 |
| 1033 return NGX_OK; | |
| 1034 } | |
| 1035 | |
| 1036 | |
| 1037 static ngx_int_t | |
| 1351 | 1038 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1039 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1040 { | |
| 1041 v->valid = 1; | |
| 1565 | 1042 v->no_cacheable = 0; |
| 1351 | 1043 v->not_found = 0; |
| 1044 | |
| 1045 if (r->args.len == 0) { | |
| 1046 v->len = 0; | |
| 1047 v->data = NULL; | |
| 1048 return NGX_OK; | |
| 1049 } | |
| 1050 | |
| 1051 v->len = 1; | |
| 1052 v->data = (u_char *) "?"; | |
| 1053 | |
| 1054 return NGX_OK; | |
| 1055 } | |
| 1056 | |
| 1057 | |
| 1058 static ngx_int_t | |
| 573 | 1059 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1060 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1061 { |
| 671 | 1062 ngx_str_t path; |
| 573 | 1063 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1064 |
| 1065 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1066 | |
| 671 | 1067 if (clcf->root_lengths == NULL) { |
| 1068 v->len = clcf->root.len; | |
| 1069 v->valid = 1; | |
| 1565 | 1070 v->no_cacheable = 0; |
| 671 | 1071 v->not_found = 0; |
| 1072 v->data = clcf->root.data; | |
| 1073 | |
| 1074 } else { | |
| 1075 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1076 clcf->root_values->elts) | |
| 1077 == NULL) | |
| 1078 { | |
| 1079 return NGX_ERROR; | |
| 1080 } | |
| 1081 | |
|
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1082 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1083 return NGX_ERROR; |
| 1084 } | |
| 1085 | |
| 1086 v->len = path.len; | |
| 1087 v->valid = 1; | |
| 1565 | 1088 v->no_cacheable = 0; |
| 671 | 1089 v->not_found = 0; |
| 1090 v->data = path.data; | |
| 1091 } | |
| 509 | 1092 |
| 573 | 1093 return NGX_OK; |
| 509 | 1094 } |
| 1095 | |
| 1096 | |
| 573 | 1097 static ngx_int_t |
| 2259 | 1098 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1099 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1100 { | |
| 1101 size_t len; | |
| 1102 ngx_str_t path; | |
| 1103 ngx_http_core_loc_conf_t *clcf; | |
| 1104 u_char real[NGX_MAX_PATH]; | |
| 1105 | |
| 1106 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1107 | |
| 1108 if (clcf->root_lengths == NULL) { | |
| 1109 path = clcf->root; | |
| 1110 | |
| 1111 } else { | |
| 1112 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1113 clcf->root_values->elts) | |
| 1114 == NULL) | |
| 1115 { | |
| 1116 return NGX_ERROR; | |
| 1117 } | |
| 1118 | |
| 1119 path.data[path.len - 1] = '\0'; | |
| 1120 | |
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1121 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1122 return NGX_ERROR; |
| 1123 } | |
| 1124 } | |
| 1125 | |
| 1126 if (ngx_realpath(path.data, real) == NULL) { | |
| 1127 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1128 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1129 return NGX_ERROR; | |
| 1130 } | |
| 1131 | |
| 1132 len = ngx_strlen(real); | |
| 1133 | |
| 1134 v->data = ngx_pnalloc(r->pool, len); | |
| 1135 if (v->data == NULL) { | |
| 1136 return NGX_ERROR; | |
| 1137 } | |
| 1138 | |
| 1139 v->len = len; | |
| 1140 v->valid = 1; | |
| 1141 v->no_cacheable = 0; | |
| 1142 v->not_found = 0; | |
| 1143 | |
| 1144 ngx_memcpy(v->data, real, len); | |
| 1145 | |
| 1146 return NGX_OK; | |
| 1147 } | |
| 1148 | |
| 1149 | |
| 1150 static ngx_int_t | |
| 573 | 1151 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1152 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1153 { |
| 773 | 1154 size_t root; |
| 573 | 1155 ngx_str_t path; |
| 499 | 1156 |
| 773 | 1157 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1158 return NGX_ERROR; |
| 557 | 1159 } |
| 509 | 1160 |
| 557 | 1161 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1162 |
| 573 | 1163 v->len = path.len - 1; |
| 1164 v->valid = 1; | |
| 1565 | 1165 v->no_cacheable = 0; |
| 573 | 1166 v->not_found = 0; |
| 1167 v->data = path.data; | |
| 499 | 1168 |
| 573 | 1169 return NGX_OK; |
| 499 | 1170 } |
| 1171 | |
| 1172 | |
| 573 | 1173 static ngx_int_t |
| 1811 | 1174 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1175 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1176 { | |
| 1177 ngx_http_core_srv_conf_t *cscf; | |
| 1178 | |
| 1179 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1180 | |
| 1181 v->len = cscf->server_name.len; | |
| 1182 v->valid = 1; | |
| 1183 v->no_cacheable = 0; | |
| 1184 v->not_found = 0; | |
| 1185 v->data = cscf->server_name.data; | |
| 1186 | |
| 1187 return NGX_OK; | |
| 1188 } | |
| 1189 | |
| 1190 | |
| 1191 static ngx_int_t | |
| 573 | 1192 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1193 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1194 { |
| 647 | 1195 if (r->main->method_name.data) { |
| 1196 v->len = r->main->method_name.len; | |
| 573 | 1197 v->valid = 1; |
| 1565 | 1198 v->no_cacheable = 0; |
| 573 | 1199 v->not_found = 0; |
| 647 | 1200 v->data = r->main->method_name.data; |
| 573 | 1201 |
| 1202 } else { | |
| 1203 v->not_found = 1; | |
| 561 | 1204 } |
| 1205 | |
| 573 | 1206 return NGX_OK; |
| 561 | 1207 } |
| 1208 | |
| 1209 | |
| 573 | 1210 static ngx_int_t |
| 1211 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1212 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1213 { |
| 573 | 1214 ngx_int_t rc; |
| 539 | 1215 |
| 1216 rc = ngx_http_auth_basic_user(r); | |
| 1217 | |
| 1218 if (rc == NGX_DECLINED) { | |
| 573 | 1219 v->not_found = 1; |
| 1220 return NGX_OK; | |
| 539 | 1221 } |
| 1222 | |
| 1223 if (rc == NGX_ERROR) { | |
| 573 | 1224 return NGX_ERROR; |
| 539 | 1225 } |
| 1226 | |
| 573 | 1227 v->len = r->headers_in.user.len; |
| 1228 v->valid = 1; | |
| 1565 | 1229 v->no_cacheable = 0; |
| 573 | 1230 v->not_found = 0; |
| 1231 v->data = r->headers_in.user.data; | |
| 571 | 1232 |
| 573 | 1233 return NGX_OK; |
| 571 | 1234 } |
| 1235 | |
| 1236 | |
| 611 | 1237 static ngx_int_t |
| 1238 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1239 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1240 { | |
| 1241 off_t sent; | |
| 1242 u_char *p; | |
| 1243 | |
| 1244 sent = r->connection->sent - r->header_size; | |
| 1245 | |
| 1246 if (sent < 0) { | |
| 1247 sent = 0; | |
| 1248 } | |
| 1249 | |
| 2049 | 1250 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1251 if (p == NULL) { |
| 1252 return NGX_ERROR; | |
| 1253 } | |
| 1254 | |
| 1255 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1256 v->valid = 1; | |
| 1565 | 1257 v->no_cacheable = 0; |
| 611 | 1258 v->not_found = 0; |
| 1259 v->data = p; | |
| 1260 | |
| 1261 return NGX_OK; | |
| 1262 } | |
| 1263 | |
| 1264 | |
| 629 | 1265 static ngx_int_t |
| 641 | 1266 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1267 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1268 { | |
| 1269 if (r->headers_out.content_type.len) { | |
| 1270 v->len = r->headers_out.content_type.len; | |
| 1271 v->valid = 1; | |
| 1565 | 1272 v->no_cacheable = 0; |
| 641 | 1273 v->not_found = 0; |
| 1274 v->data = r->headers_out.content_type.data; | |
| 1275 | |
| 1276 } else { | |
| 1277 v->not_found = 1; | |
| 1278 } | |
| 1279 | |
| 1280 return NGX_OK; | |
| 1281 } | |
| 1282 | |
| 1283 | |
| 1284 static ngx_int_t | |
| 1285 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1286 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1287 { | |
| 1288 u_char *p; | |
| 1289 | |
| 1290 if (r->headers_out.content_length) { | |
| 1291 v->len = r->headers_out.content_length->value.len; | |
| 1292 v->valid = 1; | |
| 1565 | 1293 v->no_cacheable = 0; |
| 641 | 1294 v->not_found = 0; |
| 1295 v->data = r->headers_out.content_length->value.data; | |
| 1296 | |
| 1297 return NGX_OK; | |
| 1298 } | |
| 1299 | |
| 1300 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1301 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1302 if (p == NULL) { |
| 1303 return NGX_ERROR; | |
| 1304 } | |
| 1305 | |
| 1306 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1307 v->valid = 1; | |
| 1565 | 1308 v->no_cacheable = 0; |
| 641 | 1309 v->not_found = 0; |
| 1310 v->data = p; | |
| 1311 | |
| 1312 return NGX_OK; | |
| 1313 } | |
| 1314 | |
| 1315 v->not_found = 1; | |
| 1316 | |
| 1317 return NGX_OK; | |
| 1318 } | |
| 1319 | |
| 1320 | |
| 1321 static ngx_int_t | |
|
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1322 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1323 ngx_http_variable_value_t *v, uintptr_t data) |
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1324 { |
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1325 ngx_str_t name; |
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1326 |
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1327 if (r->headers_out.location) { |
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1328 v->len = r->headers_out.location->value.len; |
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1329 v->valid = 1; |
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1330 v->no_cacheable = 0; |
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1331 v->not_found = 0; |
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1332 v->data = r->headers_out.location->value.data; |
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1333 |
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1334 return NGX_OK; |
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1335 } |
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1336 |
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1337 name.len = sizeof("sent_http_location") - 1; |
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1338 name.data = (u_char *) "sent_http_location"; |
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1339 |
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1340 return ngx_http_variable_unknown_header(v, &name, |
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1341 &r->headers_out.headers.part, |
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1342 sizeof("sent_http_") - 1); |
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1343 } |
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1344 |
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1345 |
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1346 static ngx_int_t |
| 641 | 1347 ngx_http_variable_sent_last_modified(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.last_modified) { | |
| 1353 v->len = r->headers_out.last_modified->value.len; | |
| 1354 v->valid = 1; | |
| 1565 | 1355 v->no_cacheable = 0; |
| 641 | 1356 v->not_found = 0; |
| 1357 v->data = r->headers_out.last_modified->value.data; | |
| 1358 | |
| 1359 return NGX_OK; | |
| 1360 } | |
| 1361 | |
| 1362 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1363 p = ngx_pnalloc(r->pool, |
| 641 | 1364 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1365 if (p == NULL) { | |
| 1366 return NGX_ERROR; | |
| 1367 } | |
| 1368 | |
| 1369 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1370 v->valid = 1; | |
| 1565 | 1371 v->no_cacheable = 0; |
| 641 | 1372 v->not_found = 0; |
| 1373 v->data = p; | |
| 1374 | |
| 1375 return NGX_OK; | |
| 1376 } | |
| 1377 | |
| 1378 v->not_found = 1; | |
| 1379 | |
| 1380 return NGX_OK; | |
| 1381 } | |
| 1382 | |
| 1383 | |
| 1384 static ngx_int_t | |
| 1385 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1386 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1387 { | |
| 1388 size_t len; | |
| 1389 char *p; | |
| 1390 | |
| 1391 if (r->keepalive) { | |
| 1392 len = sizeof("keep-alive") - 1; | |
| 1393 p = "keep-alive"; | |
| 1394 | |
| 1395 } else { | |
| 1396 len = sizeof("close") - 1; | |
| 1397 p = "close"; | |
| 1398 } | |
| 1399 | |
| 1400 v->len = len; | |
| 1401 v->valid = 1; | |
| 1565 | 1402 v->no_cacheable = 0; |
| 641 | 1403 v->not_found = 0; |
| 1404 v->data = (u_char *) p; | |
| 1405 | |
| 1406 return NGX_OK; | |
| 1407 } | |
| 1408 | |
| 1409 | |
| 1410 static ngx_int_t | |
| 1411 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1412 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1413 { | |
| 1414 u_char *p; | |
| 1415 ngx_http_core_loc_conf_t *clcf; | |
| 1416 | |
| 1417 if (r->keepalive) { | |
| 1418 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1419 | |
| 1420 if (clcf->keepalive_header) { | |
| 1421 | |
| 2049 | 1422 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1423 if (p == NULL) { |
| 1424 return NGX_ERROR; | |
| 1425 } | |
| 1426 | |
| 1427 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1428 v->valid = 1; | |
| 1565 | 1429 v->no_cacheable = 0; |
| 641 | 1430 v->not_found = 0; |
| 1431 v->data = p; | |
| 1432 | |
| 1433 return NGX_OK; | |
| 1434 } | |
| 1435 } | |
| 1436 | |
| 1437 v->not_found = 1; | |
| 1438 | |
| 1439 return NGX_OK; | |
| 1440 } | |
| 1441 | |
| 1442 | |
| 1443 static ngx_int_t | |
| 1444 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1445 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1446 { | |
| 1447 if (r->chunked) { | |
| 1448 v->len = sizeof("chunked") - 1; | |
| 1449 v->valid = 1; | |
| 1565 | 1450 v->no_cacheable = 0; |
| 641 | 1451 v->not_found = 0; |
| 1452 v->data = (u_char *) "chunked"; | |
| 1453 | |
| 1454 } else { | |
| 1455 v->not_found = 1; | |
| 1456 } | |
| 1457 | |
| 1458 return NGX_OK; | |
| 1459 } | |
| 1460 | |
| 1461 | |
| 1462 static ngx_int_t | |
| 629 | 1463 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1464 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1465 { | |
| 1466 if (r->request_complete) { | |
| 1467 v->len = 2; | |
| 1468 v->valid = 1; | |
| 1565 | 1469 v->no_cacheable = 0; |
| 629 | 1470 v->not_found = 0; |
| 1471 v->data = (u_char *) "OK"; | |
| 1472 | |
| 1473 return NGX_OK; | |
| 1474 } | |
| 1475 | |
| 1476 v->len = 0; | |
| 1477 v->valid = 1; | |
| 1565 | 1478 v->no_cacheable = 0; |
| 629 | 1479 v->not_found = 0; |
| 1480 v->data = (u_char *) ""; | |
| 1481 | |
| 1482 return NGX_OK; | |
| 1483 } | |
| 1484 | |
| 1485 | |
| 759 | 1486 static ngx_int_t |
| 2844 | 1487 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1488 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1489 { | |
| 1490 u_char *p; | |
| 1491 size_t len; | |
| 1492 ngx_buf_t *buf, *next; | |
| 1493 ngx_chain_t *cl; | |
| 1494 | |
| 1495 if (r->request_body == NULL || r->request_body->temp_file) { | |
| 1496 v->not_found = 1; | |
| 1497 | |
| 1498 return NGX_OK; | |
| 1499 } | |
| 1500 | |
| 1501 cl = r->request_body->bufs; | |
| 1502 buf = cl->buf; | |
| 1503 | |
| 1504 if (cl->next == NULL) { | |
| 1505 v->len = buf->last - buf->pos; | |
| 1506 v->valid = 1; | |
| 1507 v->no_cacheable = 0; | |
| 1508 v->not_found = 0; | |
| 1509 v->data = buf->pos; | |
| 1510 | |
| 1511 return NGX_OK; | |
| 1512 } | |
| 1513 | |
| 1514 next = cl->next->buf; | |
| 1515 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1516 | |
| 1517 p = ngx_pnalloc(r->pool, len); | |
| 1518 if (p == NULL) { | |
| 1519 return NGX_ERROR; | |
| 1520 } | |
| 1521 | |
| 1522 v->data = p; | |
| 1523 | |
| 1524 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1525 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1526 | |
| 1527 v->len = len; | |
| 1528 v->valid = 1; | |
| 1529 v->no_cacheable = 0; | |
| 1530 v->not_found = 0; | |
| 1531 | |
| 1532 return NGX_OK; | |
| 1533 } | |
| 1534 | |
| 1535 | |
| 1536 static ngx_int_t | |
| 759 | 1537 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1538 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1539 { | |
| 1540 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1541 v->not_found = 1; |
| 759 | 1542 |
| 1543 return NGX_OK; | |
| 1544 } | |
| 1545 | |
| 1546 v->len = r->request_body->temp_file->file.name.len; | |
| 1547 v->valid = 1; | |
| 1565 | 1548 v->no_cacheable = 0; |
| 759 | 1549 v->not_found = 0; |
| 1550 v->data = r->request_body->temp_file->file.name.data; | |
| 1551 | |
| 1552 return NGX_OK; | |
| 1553 } | |
| 1554 | |
| 1555 | |
| 1329 | 1556 static ngx_int_t |
| 1557 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1558 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1559 { | |
| 1560 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1561 v->valid = 1; | |
| 1565 | 1562 v->no_cacheable = 0; |
| 1329 | 1563 v->not_found = 0; |
| 1564 v->data = (u_char *) NGINX_VERSION; | |
| 1565 | |
| 1566 return NGX_OK; | |
| 1567 } | |
| 1568 | |
| 1569 | |
| 2011 | 1570 static ngx_int_t |
| 1571 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1572 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1573 { | |
| 1574 v->len = ngx_cycle->hostname.len; | |
| 1575 v->valid = 1; | |
| 1576 v->no_cacheable = 0; | |
| 1577 v->not_found = 0; | |
| 1578 v->data = ngx_cycle->hostname.data; | |
| 1579 | |
| 1580 return NGX_OK; | |
| 1581 } | |
| 1582 | |
| 1583 | |
| 2249 | 1584 static ngx_int_t |
| 1585 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1586 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1587 { | |
| 1588 u_char *p; | |
| 1589 | |
| 1590 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1591 if (p == NULL) { | |
| 1592 return NGX_ERROR; | |
| 1593 } | |
| 1594 | |
| 1595 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1596 v->valid = 1; | |
| 1597 v->no_cacheable = 0; | |
| 1598 v->not_found = 0; | |
| 1599 v->data = p; | |
| 1600 | |
| 1601 return NGX_OK; | |
| 1602 } | |
| 1603 | |
| 1604 | |
| 499 | 1605 ngx_int_t |
| 509 | 1606 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1607 { |
| 611 | 1608 ngx_int_t rc; |
| 1609 ngx_http_variable_t *v; | |
| 501 | 1610 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1611 |
| 509 | 1612 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1613 | |
| 611 | 1614 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1615 sizeof(ngx_hash_keys_arrays_t)); | |
| 1616 if (cmcf->variables_keys == NULL) { | |
| 1617 return NGX_ERROR; | |
| 1618 } | |
| 1619 | |
| 1620 cmcf->variables_keys->pool = cf->pool; | |
| 1621 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1622 | |
| 1623 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1624 != NGX_OK) | |
| 509 | 1625 { |
| 499 | 1626 return NGX_ERROR; |
| 1627 } | |
| 1628 | |
| 611 | 1629 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1630 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1631 NGX_HASH_READONLY_KEY); | |
| 1632 | |
| 1633 if (rc == NGX_OK) { | |
| 1634 continue; | |
| 499 | 1635 } |
| 1636 | |
| 611 | 1637 if (rc == NGX_BUSY) { |
| 1638 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1639 "conflicting variable name \"%V\"", &v->name); | |
| 1640 } | |
| 1641 | |
| 1642 return NGX_ERROR; | |
| 499 | 1643 } |
| 1644 | |
| 1645 return NGX_OK; | |
| 1646 } | |
| 509 | 1647 |
| 1648 | |
| 1649 ngx_int_t | |
| 1650 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1651 { | |
| 1652 ngx_uint_t i, n; | |
| 611 | 1653 ngx_hash_key_t *key; |
| 1654 ngx_hash_init_t hash; | |
| 509 | 1655 ngx_http_variable_t *v, *av; |
| 1656 ngx_http_core_main_conf_t *cmcf; | |
| 1657 | |
| 1658 /* set the handlers for the indexed http variables */ | |
| 1659 | |
| 1660 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1661 | |
| 1662 v = cmcf->variables.elts; | |
| 611 | 1663 key = cmcf->variables_keys->keys.elts; |
| 509 | 1664 |
| 1665 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1666 | |
| 611 | 1667 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1668 |
|
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|
1669 av = key[n].value; |
|
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|
1670 |
|
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|
1671 if (av->get_handler |
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1672 && v[i].name.len == key[n].key.len |
| 611 | 1673 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1674 == 0) |
| 1675 { | |
| 637 | 1676 v[i].get_handler = av->get_handler; |
| 611 | 1677 v[i].data = av->data; |
| 527 | 1678 |
| 611 | 1679 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1680 v[i].flags = av->flags; | |
| 509 | 1681 |
| 611 | 1682 av->index = i; |
| 533 | 1683 |
| 509 | 1684 goto next; |
| 1685 } | |
| 1686 } | |
| 1687 | |
| 1688 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1689 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1690 v[i].data = (uintptr_t) &v[i].name; |
| 1691 | |
| 1692 continue; | |
| 1693 } | |
| 1694 | |
| 1695 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1696 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1697 v[i].data = (uintptr_t) &v[i].name; |
| 1698 | |
| 1699 continue; | |
| 1700 } | |
| 1701 | |
| 1162 | 1702 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1703 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1704 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1705 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1706 |
| 1707 continue; | |
| 1708 } | |
| 1709 | |
| 2307 | 1710 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1711 v[i].get_handler = ngx_http_variable_cookie; | |
| 1712 v[i].data = (uintptr_t) &v[i].name; | |
| 1713 | |
| 1714 continue; | |
| 1715 } | |
| 1716 | |
| 2137 | 1717 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1718 v[i].get_handler = ngx_http_variable_argument; | |
| 1719 v[i].data = (uintptr_t) &v[i].name; | |
| 1720 | |
| 1721 continue; | |
| 1722 } | |
| 1723 | |
| 509 | 1724 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1725 "unknown \"%V\" variable", &v[i].name); | |
| 1726 | |
| 1727 return NGX_ERROR; | |
| 1728 | |
| 1729 next: | |
| 1730 continue; | |
| 1731 } | |
| 1732 | |
| 1733 | |
| 611 | 1734 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1735 av = key[n].value; | |
| 1736 | |
| 1737 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1738 key[n].key.data = NULL; | |
| 583 | 1739 } |
| 1740 } | |
| 1741 | |
| 1742 | |
| 611 | 1743 hash.hash = &cmcf->variables_hash; |
| 1744 hash.key = ngx_hash_key; | |
| 1745 hash.max_size = cmcf->variables_hash_max_size; | |
| 1746 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1747 hash.name = "variables_hash"; | |
| 1748 hash.pool = cf->pool; | |
| 1749 hash.temp_pool = NULL; | |
| 509 | 1750 |
| 611 | 1751 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1752 cmcf->variables_keys->keys.nelts) | |
| 581 | 1753 != NGX_OK) |
| 509 | 1754 { |
| 1755 return NGX_ERROR; | |
| 1756 } | |
| 1757 | |
| 611 | 1758 cmcf->variables_keys = NULL; |
| 509 | 1759 |
| 1760 return NGX_OK; | |
| 1761 } | |
|
2333
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1762 |
|
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1763 |
|
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|
1764 void |
|
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1765 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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1766 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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|
1767 { |
|
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|
1768 ngx_rbtree_node_t **p; |
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1769 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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1770 |
|
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1771 for ( ;; ) { |
|
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1772 |
|
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1773 vvn = (ngx_http_variable_value_node_t *) node; |
|
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1774 vvt = (ngx_http_variable_value_node_t *) temp; |
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1775 |
|
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1776 if (node->key != temp->key) { |
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|
1777 |
|
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1778 p = (node->key < temp->key) ? &temp->left : &temp->right; |
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1779 |
|
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1780 } else if (vvn->len != vvt->len) { |
|
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1781 |
|
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1782 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
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1783 |
|
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1784 } else { |
|
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1785 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
|
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1786 ? &temp->left : &temp->right; |
|
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|
1787 } |
|
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|
1788 |
|
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1789 if (*p == sentinel) { |
|
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|
1790 break; |
|
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|
1791 } |
|
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|
1792 |
|
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|
1793 temp = *p; |
|
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|
1794 } |
|
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|
1795 |
|
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|
1796 *p = node; |
|
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|
1797 node->parent = temp; |
|
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|
1798 node->left = sentinel; |
|
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|
1799 node->right = sentinel; |
|
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1800 ngx_rbt_red(node); |
|
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|
1801 } |
|
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|
1802 |
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|
1803 |
|
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|
1804 ngx_http_variable_value_t * |
|
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1805 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
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|
1806 uint32_t hash) |
|
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|
1807 { |
|
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|
1808 ngx_int_t rc; |
|
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|
1809 ngx_rbtree_node_t *node, *sentinel; |
|
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|
1810 ngx_http_variable_value_node_t *vvn; |
|
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|
1811 |
|
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|
1812 node = rbtree->root; |
|
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|
1813 sentinel = rbtree->sentinel; |
|
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|
1814 |
|
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1815 while (node != sentinel) { |
|
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1816 |
|
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1817 vvn = (ngx_http_variable_value_node_t *) node; |
|
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1818 |
|
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1819 if (hash != node->key) { |
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1820 node = (hash < node->key) ? node->left : node->right; |
|
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1821 continue; |
|
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|
1822 } |
|
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|
1823 |
|
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1824 if (val->len != vvn->len) { |
|
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1825 node = (val->len < vvn->len) ? node->left : node->right; |
|
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1826 continue; |
|
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|
1827 } |
|
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|
1828 |
|
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1829 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
|
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1830 |
|
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1831 if (rc < 0) { |
|
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1832 node = node->left; |
|
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|
1833 continue; |
|
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|
1834 } |
|
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|
1835 |
|
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|
1836 if (rc > 0) { |
|
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|
1837 node = node->right; |
|
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|
1838 continue; |
|
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|
1839 } |
|
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|
1840 |
|
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|
1841 return vvn->value; |
|
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|
1842 } |
|
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|
1843 |
|
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|
1844 return NULL; |
|
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|
1845 } |