Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2533:c843171d5dc2
axe r->port_text
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 24 Feb 2009 07:29:55 +0000 |
| parents | 2e91aecb9e57 |
| children | a6d6d762c554 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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29 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 31 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 32 |
| 573 | 33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 34 ngx_http_variable_value_t *v, uintptr_t data); | |
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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36 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 51 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 53 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 55 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 57 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 65 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 67 |
| 641 | 68 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 70 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
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72 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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73 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 74 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 | |
| 1329 | 83 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 85 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 87 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 89 |
| 509 | 90 /* |
| 91 * TODO: | |
| 92 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 93 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 94 * SERVER_SOFTWARE | |
| 95 * | |
| 571 | 96 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 97 */ |
| 499 | 98 |
| 641 | 99 /* |
| 100 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 101 * and $http_x_forwarded_for variables may be handled by generic | |
| 102 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 103 * they are handled using dedicated entries | |
| 104 */ | |
| 105 | |
| 509 | 106 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 107 | |
| 637 | 108 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 109 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 110 |
| 637 | 111 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 112 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 113 |
| 637 | 114 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 116 |
| 117 #if (NGX_HTTP_GZIP) | |
| 637 | 118 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 120 #endif |
| 121 | |
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122 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 123 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 124 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 125 #endif |
| 126 | |
| 637 | 127 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 128 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 129 |
| 637 | 130 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 131 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 132 |
| 637 | 133 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 134 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 137 |
| 982 | 138 { ngx_string("binary_remote_addr"), NULL, |
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139 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 140 |
| 637 | 141 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 142 |
| 637 | 143 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 144 |
| 637 | 145 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 146 |
| 637 | 147 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 148 |
| 637 | 149 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 150 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 151 |
| 731 | 152 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 153 | |
| 637 | 154 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 155 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 156 |
| 637 | 157 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 158 offsetof(ngx_http_request_t, uri), | |
| 1565 | 159 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 160 |
| 161 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 162 offsetof(ngx_http_request_t, uri), |
| 1565 | 163 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 164 |
| 637 | 165 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 166 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 167 | |
| 637 | 168 { ngx_string("document_root"), NULL, |
| 1565 | 169 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 170 |
| 2259 | 171 { ngx_string("realpath_root"), NULL, |
| 172 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 173 | |
| 637 | 174 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 175 offsetof(ngx_http_request_t, args), |
| 1565 | 176 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 177 |
| 1350 | 178 { ngx_string("args"), |
| 179 ngx_http_variable_request_set, | |
| 180 ngx_http_variable_request, | |
| 589 | 181 offsetof(ngx_http_request_t, args), |
| 1565 | 182 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 183 |
| 1351 | 184 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 185 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 186 |
| 637 | 187 { ngx_string("request_filename"), NULL, |
| 188 ngx_http_variable_request_filename, 0, | |
| 1565 | 189 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 190 |
| 1811 | 191 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 192 |
| 637 | 193 { ngx_string("request_method"), NULL, |
| 194 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 195 |
| 637 | 196 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 197 |
| 637 | 198 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 199 0, 0, 0 }, |
| 200 | |
| 637 | 201 { ngx_string("request_completion"), NULL, |
| 202 ngx_http_variable_request_completion, | |
| 629 | 203 0, 0, 0 }, |
| 204 | |
| 759 | 205 { ngx_string("request_body_file"), NULL, |
| 206 ngx_http_variable_request_body_file, | |
| 207 0, 0, 0 }, | |
| 208 | |
| 641 | 209 { ngx_string("sent_http_content_type"), NULL, |
| 210 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 211 | |
| 212 { ngx_string("sent_http_content_length"), NULL, | |
| 213 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 214 | |
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215 { ngx_string("sent_http_location"), NULL, |
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216 ngx_http_variable_sent_location, 0, 0, 0 }, |
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217 |
| 641 | 218 { ngx_string("sent_http_last_modified"), NULL, |
| 219 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 220 | |
| 221 { ngx_string("sent_http_connection"), NULL, | |
| 222 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 223 | |
| 224 { ngx_string("sent_http_keep_alive"), NULL, | |
| 225 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 226 | |
| 227 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 228 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 229 | |
| 230 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 231 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 232 | |
| 637 | 233 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 234 ngx_http_variable_request, | |
| 235 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 236 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 237 |
| 1329 | 238 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 239 0, 0, 0 }, | |
| 240 | |
| 2011 | 241 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 242 0, 0, 0 }, | |
| 243 | |
| 2249 | 244 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 245 0, 0, 0 }, | |
| 246 | |
| 637 | 247 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 248 }; |
| 249 | |
| 250 | |
| 577 | 251 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 252 ngx_http_variable(""); | |
| 253 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 254 ngx_http_variable("1"); | |
| 255 | |
| 256 | |
| 499 | 257 ngx_http_variable_t * |
| 509 | 258 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 259 { | |
| 611 | 260 ngx_int_t rc; |
| 509 | 261 ngx_uint_t i; |
| 611 | 262 ngx_hash_key_t *key; |
| 509 | 263 ngx_http_variable_t *v; |
| 264 ngx_http_core_main_conf_t *cmcf; | |
| 265 | |
| 266 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 267 | |
| 611 | 268 key = cmcf->variables_keys->keys.elts; |
| 269 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 270 if (name->len != key[i].key.len | |
| 271 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 272 { |
| 273 continue; | |
| 274 } | |
| 275 | |
| 611 | 276 v = key[i].value; |
| 277 | |
| 1565 | 278 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 279 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 280 "the duplicate \"%V\" variable", name); | |
| 281 return NULL; | |
| 282 } | |
| 283 | |
| 611 | 284 return v; |
| 509 | 285 } |
| 286 | |
| 611 | 287 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 288 if (v == NULL) { |
| 289 return NULL; | |
| 290 } | |
| 291 | |
| 292 v->name.len = name->len; | |
| 2049 | 293 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 294 if (v->name.data == NULL) { |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 2135 | 298 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 299 |
| 637 | 300 v->set_handler = NULL; |
| 301 v->get_handler = NULL; | |
| 509 | 302 v->data = 0; |
| 303 v->flags = flags; | |
| 533 | 304 v->index = 0; |
| 509 | 305 |
| 611 | 306 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 307 | |
| 308 if (rc == NGX_ERROR) { | |
| 309 return NULL; | |
| 310 } | |
| 311 | |
| 312 if (rc == NGX_BUSY) { | |
| 313 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 314 "conflicting variable name \"%V\"", name); | |
| 315 return NULL; | |
| 316 } | |
| 317 | |
| 509 | 318 return v; |
| 319 } | |
| 320 | |
| 321 | |
| 322 ngx_int_t | |
| 323 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 324 { |
| 501 | 325 ngx_uint_t i; |
| 326 ngx_http_variable_t *v; | |
| 499 | 327 ngx_http_core_main_conf_t *cmcf; |
| 328 | |
| 329 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 330 | |
| 501 | 331 v = cmcf->variables.elts; |
| 332 | |
| 333 if (v == NULL) { | |
| 499 | 334 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 335 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 336 { | |
| 509 | 337 return NGX_ERROR; |
| 499 | 338 } |
| 501 | 339 |
| 340 } else { | |
| 341 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 342 if (name->len != v[i].name.len | |
| 343 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 344 { | |
| 345 continue; | |
| 346 } | |
| 347 | |
| 509 | 348 return i; |
| 501 | 349 } |
| 499 | 350 } |
| 351 | |
| 501 | 352 v = ngx_array_push(&cmcf->variables); |
| 353 if (v == NULL) { | |
| 509 | 354 return NGX_ERROR; |
| 499 | 355 } |
| 356 | |
| 501 | 357 v->name.len = name->len; |
| 2049 | 358 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 359 if (v->name.data == NULL) { |
| 509 | 360 return NGX_ERROR; |
| 501 | 361 } |
| 499 | 362 |
| 2135 | 363 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 364 |
| 637 | 365 v->set_handler = NULL; |
| 366 v->get_handler = NULL; | |
| 501 | 367 v->data = 0; |
| 509 | 368 v->flags = 0; |
| 533 | 369 v->index = cmcf->variables.nelts - 1; |
| 501 | 370 |
| 509 | 371 return cmcf->variables.nelts - 1; |
| 499 | 372 } |
| 373 | |
| 374 | |
| 375 ngx_http_variable_value_t * | |
| 376 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 377 { | |
| 501 | 378 ngx_http_variable_t *v; |
| 499 | 379 ngx_http_core_main_conf_t *cmcf; |
| 380 | |
| 381 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 382 | |
| 553 | 383 if (cmcf->variables.nelts <= index) { |
| 499 | 384 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 385 "unknown variable index: %d", index); | |
| 386 return NULL; | |
| 387 } | |
| 388 | |
| 573 | 389 if (r->variables[index].not_found || r->variables[index].valid) { |
| 390 return &r->variables[index]; | |
| 501 | 391 } |
| 499 | 392 |
| 501 | 393 v = cmcf->variables.elts; |
| 499 | 394 |
| 637 | 395 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 396 == NGX_OK) | |
| 397 { | |
| 1565 | 398 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 399 r->variables[index].no_cacheable = 1; | |
| 499 | 400 } |
| 573 | 401 |
| 402 return &r->variables[index]; | |
| 499 | 403 } |
| 404 | |
| 657 | 405 r->variables[index].valid = 0; |
| 406 r->variables[index].not_found = 1; | |
| 407 | |
| 798 | 408 return NULL; |
| 573 | 409 } |
| 410 | |
| 411 | |
| 412 ngx_http_variable_value_t * | |
| 413 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 414 { | |
| 1150 | 415 ngx_http_variable_value_t *v; |
| 573 | 416 |
| 417 v = &r->variables[index]; | |
| 418 | |
| 419 if (v->valid) { | |
| 1565 | 420 if (!v->no_cacheable) { |
| 573 | 421 return v; |
| 422 } | |
| 423 | |
| 424 v->valid = 0; | |
| 425 v->not_found = 0; | |
| 509 | 426 } |
| 501 | 427 |
| 573 | 428 return ngx_http_get_indexed_variable(r, index); |
| 499 | 429 } |
| 430 | |
| 431 | |
| 432 ngx_http_variable_value_t * | |
| 635 | 433 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 434 ngx_uint_t nowarn) | |
| 499 | 435 { |
| 501 | 436 ngx_http_variable_t *v; |
| 573 | 437 ngx_http_variable_value_t *vv; |
| 499 | 438 ngx_http_core_main_conf_t *cmcf; |
| 439 | |
| 440 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 441 | |
| 611 | 442 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 443 |
| 611 | 444 if (v) { |
| 445 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 446 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 447 |
| 448 } else { | |
| 499 | 449 |
| 573 | 450 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 451 |
| 637 | 452 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 453 return vv; |
| 454 } | |
| 509 | 455 |
| 573 | 456 return NULL; |
| 457 } | |
| 509 | 458 } |
| 459 | |
| 460 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 461 if (vv == NULL) { | |
| 462 return NULL; | |
| 463 } | |
| 464 | |
| 573 | 465 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 466 |
| 577 | 467 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 468 == NGX_OK) | |
| 469 { | |
| 470 return vv; | |
| 471 } | |
| 472 | |
| 473 return NULL; | |
| 474 } | |
| 475 | |
| 476 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 477 | |
| 478 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 479 == NGX_OK) | |
| 573 | 480 { |
| 481 return vv; | |
| 482 } | |
| 499 | 483 |
| 484 return NULL; | |
| 485 } | |
| 486 | |
| 1162 | 487 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 488 | |
| 489 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 490 == NGX_OK) | |
| 491 { | |
| 492 return vv; | |
| 493 } | |
| 494 | |
| 495 return NULL; | |
| 496 } | |
| 497 | |
| 2307 | 498 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 499 | |
|
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500 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 501 return vv; |
| 502 } | |
| 503 | |
| 504 return NULL; | |
| 505 } | |
| 506 | |
| 2137 | 507 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 508 | |
| 509 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 510 return vv; | |
| 511 } | |
| 512 | |
| 513 return NULL; | |
| 514 } | |
| 515 | |
| 635 | 516 vv->not_found = 1; |
| 573 | 517 |
| 635 | 518 if (nowarn == 0) { |
| 519 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 520 "unknown \"%V\" variable", name); | |
| 521 } | |
| 499 | 522 |
| 501 | 523 return vv; |
| 499 | 524 } |
| 525 | |
| 526 | |
| 573 | 527 static ngx_int_t |
| 528 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 529 uintptr_t data) | |
| 530 { | |
| 531 ngx_str_t *s; | |
| 532 | |
| 533 s = (ngx_str_t *) ((char *) r + data); | |
| 534 | |
| 535 if (s->data) { | |
| 536 v->len = s->len; | |
| 537 v->valid = 1; | |
| 1565 | 538 v->no_cacheable = 0; |
| 573 | 539 v->not_found = 0; |
| 540 v->data = s->data; | |
| 541 | |
| 542 } else { | |
| 543 v->not_found = 1; | |
| 544 } | |
| 545 | |
| 546 return NGX_OK; | |
| 547 } | |
| 548 | |
| 549 | |
| 637 | 550 static void |
| 1350 | 551 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 552 ngx_http_variable_value_t *v, uintptr_t data) | |
| 553 { | |
| 554 ngx_str_t *s; | |
| 555 | |
| 556 s = (ngx_str_t *) ((char *) r + data); | |
| 557 | |
| 558 s->len = v->len; | |
| 559 s->data = v->data; | |
| 560 } | |
| 561 | |
| 562 | |
| 563 static void | |
| 637 | 564 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 565 ngx_http_variable_value_t *v, uintptr_t data) | |
| 566 { | |
| 567 ssize_t s, *sp; | |
| 568 ngx_str_t val; | |
| 569 | |
|
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570 val.len = v->len; |
| 637 | 571 val.data = v->data; |
| 572 | |
| 573 s = ngx_parse_size(&val); | |
| 574 | |
| 575 if (s == NGX_ERROR) { | |
| 576 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 577 "invalid size \"%V\"", &val); | |
| 578 return; | |
| 579 } | |
| 580 | |
| 581 sp = (ssize_t *) ((char *) r + data); | |
| 582 | |
| 583 *sp = s; | |
| 584 | |
| 585 return; | |
| 586 } | |
| 587 | |
| 588 | |
| 573 | 589 static ngx_int_t |
| 590 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 591 uintptr_t data) | |
| 515 | 592 { |
| 573 | 593 ngx_table_elt_t *h; |
| 594 | |
| 595 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 596 | |
| 597 if (h) { | |
| 598 v->len = h->value.len; | |
| 599 v->valid = 1; | |
| 1565 | 600 v->no_cacheable = 0; |
| 573 | 601 v->not_found = 0; |
| 602 v->data = h->value.data; | |
| 603 | |
| 604 } else { | |
| 605 v->not_found = 1; | |
| 606 } | |
| 607 | |
| 608 return NGX_OK; | |
| 609 } | |
| 610 | |
| 611 | |
| 612 static ngx_int_t | |
| 613 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 614 uintptr_t data) | |
| 615 { | |
| 667 | 616 ssize_t len; |
| 573 | 617 u_char *p; |
| 667 | 618 ngx_uint_t i, n; |
| 573 | 619 ngx_array_t *a; |
| 620 ngx_table_elt_t **h; | |
| 515 | 621 |
| 622 a = (ngx_array_t *) ((char *) r + data); | |
| 623 | |
| 667 | 624 n = a->nelts; |
| 625 | |
| 626 if (n == 0) { | |
| 573 | 627 v->not_found = 1; |
| 628 return NGX_OK; | |
| 515 | 629 } |
| 630 | |
| 573 | 631 v->valid = 1; |
| 1565 | 632 v->no_cacheable = 0; |
| 573 | 633 v->not_found = 0; |
| 515 | 634 |
| 635 h = a->elts; | |
| 636 | |
| 667 | 637 if (n == 1) { |
| 573 | 638 v->len = (*h)->value.len; |
| 639 v->data = (*h)->value.data; | |
| 515 | 640 |
| 573 | 641 return NGX_OK; |
| 515 | 642 } |
| 643 | |
| 667 | 644 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 645 |
| 667 | 646 for (i = 0; i < n; i++) { |
| 573 | 647 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 648 } |
| 649 | |
| 2049 | 650 p = ngx_pnalloc(r->pool, len); |
| 573 | 651 if (p == NULL) { |
| 652 return NGX_ERROR; | |
| 653 } | |
| 654 | |
| 655 v->len = len; | |
| 656 v->data = p; | |
| 515 | 657 |
| 658 for (i = 0; /* void */ ; i++) { | |
| 573 | 659 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 660 |
| 667 | 661 if (i == n - 1) { |
| 515 | 662 break; |
| 663 } | |
| 664 | |
| 665 *p++ = ';'; *p++ = ' '; | |
| 666 } | |
| 667 | |
| 573 | 668 return NGX_OK; |
| 515 | 669 } |
| 670 | |
| 671 | |
| 573 | 672 static ngx_int_t |
| 577 | 673 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 674 ngx_http_variable_value_t *v, uintptr_t data) | |
| 675 { | |
| 676 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 677 &r->headers_in.headers.part, | |
| 678 sizeof("http_") - 1); | |
| 679 } | |
| 680 | |
| 681 | |
| 682 static ngx_int_t | |
| 683 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 684 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 685 { |
| 577 | 686 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 687 &r->headers_out.headers.part, | |
| 688 sizeof("sent_http_") - 1); | |
| 689 } | |
| 501 | 690 |
| 577 | 691 |
| 1162 | 692 ngx_int_t |
| 577 | 693 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 694 ngx_list_part_t *part, size_t prefix) | |
| 695 { | |
| 573 | 696 u_char ch; |
| 697 ngx_uint_t i, n; | |
| 698 ngx_table_elt_t *header; | |
| 499 | 699 |
| 700 header = part->elts; | |
| 701 | |
| 702 for (i = 0; /* void */ ; i++) { | |
| 703 | |
| 704 if (i >= part->nelts) { | |
| 705 if (part->next == NULL) { | |
| 706 break; | |
| 707 } | |
| 708 | |
| 709 part = part->next; | |
| 710 header = part->elts; | |
| 711 i = 0; | |
| 712 } | |
| 713 | |
| 577 | 714 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 715 ch = header[i].key.data[n]; |
| 716 | |
| 509 | 717 if (ch >= 'A' && ch <= 'Z') { |
| 718 ch |= 0x20; | |
| 499 | 719 |
| 720 } else if (ch == '-') { | |
| 721 ch = '_'; | |
| 722 } | |
| 723 | |
| 577 | 724 if (var->data[n + prefix] != ch) { |
| 499 | 725 break; |
| 726 } | |
| 727 } | |
| 728 | |
|
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729 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 730 v->len = header[i].value.len; |
| 731 v->valid = 1; | |
| 1565 | 732 v->no_cacheable = 0; |
| 573 | 733 v->not_found = 0; |
| 734 v->data = header[i].value.data; | |
| 499 | 735 |
| 573 | 736 return NGX_OK; |
| 499 | 737 } |
| 738 } | |
| 739 | |
| 573 | 740 v->not_found = 1; |
| 741 | |
| 742 return NGX_OK; | |
| 509 | 743 } |
| 744 | |
| 745 | |
| 573 | 746 static ngx_int_t |
| 2307 | 747 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 748 uintptr_t data) | |
| 749 { | |
| 750 ngx_str_t *name = (ngx_str_t *) data; | |
| 751 | |
| 752 ngx_str_t cookie, s; | |
| 753 | |
| 754 s.len = name->len - (sizeof("cookie_") - 1); | |
| 755 s.data = name->data + sizeof("cookie_") - 1; | |
| 756 | |
| 757 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 758 == NGX_DECLINED) | |
| 759 { | |
| 760 v->not_found = 1; | |
| 761 return NGX_OK; | |
| 762 } | |
| 763 | |
| 764 v->len = cookie.len; | |
| 765 v->valid = 1; | |
| 766 v->no_cacheable = 0; | |
| 767 v->not_found = 0; | |
| 768 v->data = cookie.data; | |
| 769 | |
| 770 return NGX_OK; | |
| 771 } | |
| 772 | |
| 773 | |
| 774 static ngx_int_t | |
| 2137 | 775 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 776 uintptr_t data) | |
| 777 { | |
| 778 ngx_str_t *name = (ngx_str_t *) data; | |
| 779 | |
| 2415 | 780 u_char *arg; |
| 781 size_t len; | |
| 782 ngx_str_t value; | |
| 2137 | 783 |
| 2415 | 784 len = name->len - (sizeof("arg_") - 1); |
| 785 arg = name->data + sizeof("arg_") - 1; | |
| 786 | |
| 787 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 788 v->not_found = 1; |
| 789 return NGX_OK; | |
| 790 } | |
| 791 | |
| 2415 | 792 v->data = value.data; |
| 793 v->len = value.len; | |
| 794 v->valid = 1; | |
| 795 v->no_cacheable = 0; | |
| 796 v->not_found = 0; | |
| 2137 | 797 |
| 798 return NGX_OK; | |
| 799 } | |
| 800 | |
| 801 | |
| 802 static ngx_int_t | |
| 573 | 803 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 804 uintptr_t data) | |
| 509 | 805 { |
| 1811 | 806 ngx_http_core_srv_conf_t *cscf; |
| 807 | |
|
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808 if (r->headers_in.server.len) { |
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809 v->len = r->headers_in.server.len; |
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810 v->data = r->headers_in.server.data; |
|
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811 |
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812 } else { |
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813 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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814 |
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815 v->len = cscf->server_name.len; |
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816 v->data = cscf->server_name.data; |
| 509 | 817 } |
| 818 | |
| 573 | 819 v->valid = 1; |
| 1565 | 820 v->no_cacheable = 0; |
| 573 | 821 v->not_found = 0; |
| 509 | 822 |
| 573 | 823 return NGX_OK; |
| 499 | 824 } |
| 825 | |
| 826 | |
| 573 | 827 static ngx_int_t |
|
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828 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 829 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 830 { |
|
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831 struct sockaddr_in *sin; |
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832 #if (NGX_HAVE_INET6) |
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833 struct sockaddr_in6 *sin6; |
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834 #endif |
| 982 | 835 |
|
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836 switch (r->connection->sockaddr->sa_family) { |
|
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837 |
|
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838 #if (NGX_HAVE_INET6) |
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839 case AF_INET6: |
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840 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 841 |
|
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842 v->len = sizeof(struct in6_addr); |
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843 v->valid = 1; |
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844 v->no_cacheable = 0; |
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845 v->not_found = 0; |
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846 v->data = (u_char *) &sin6->sin6_addr; |
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847 |
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848 break; |
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849 #endif |
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850 |
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851 default: /* AF_INET */ |
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852 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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853 |
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854 v->len = sizeof(in_addr_t); |
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855 v->valid = 1; |
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856 v->no_cacheable = 0; |
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857 v->not_found = 0; |
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858 v->data = (u_char *) &sin->sin_addr; |
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859 |
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860 break; |
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861 } |
| 982 | 862 |
|
983
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863 return NGX_OK; |
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864 } |
| 982 | 865 |
| 866 | |
|
983
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867 static ngx_int_t |
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868 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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869 ngx_http_variable_value_t *v, uintptr_t data) |
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870 { |
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871 v->len = r->connection->addr_text.len; |
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872 v->valid = 1; |
| 1565 | 873 v->no_cacheable = 0; |
|
983
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874 v->not_found = 0; |
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875 v->data = r->connection->addr_text.data; |
| 499 | 876 |
| 573 | 877 return NGX_OK; |
| 499 | 878 } |
| 879 | |
| 880 | |
| 573 | 881 static ngx_int_t |
| 882 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 883 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 884 { |
|
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885 ngx_uint_t port; |
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886 struct sockaddr_in *sin; |
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887 #if (NGX_HAVE_INET6) |
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888 struct sockaddr_in6 *sin6; |
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889 #endif |
| 509 | 890 |
| 573 | 891 v->len = 0; |
| 892 v->valid = 1; | |
| 1565 | 893 v->no_cacheable = 0; |
| 573 | 894 v->not_found = 0; |
| 509 | 895 |
| 2049 | 896 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 897 if (v->data == NULL) { |
| 898 return NGX_ERROR; | |
| 509 | 899 } |
| 900 | |
|
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901 switch (r->connection->sockaddr->sa_family) { |
| 577 | 902 |
|
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903 #if (NGX_HAVE_INET6) |
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904 case AF_INET6: |
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905 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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906 port = ntohs(sin6->sin6_port); |
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907 break; |
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908 #endif |
| 577 | 909 |
|
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910 default: /* AF_INET */ |
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911 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 912 port = ntohs(sin->sin_port); |
|
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913 break; |
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914 } |
| 577 | 915 |
|
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916 if (port > 0 && port < 65536) { |
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917 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 918 } |
| 919 | |
| 573 | 920 return NGX_OK; |
| 509 | 921 } |
| 922 | |
| 923 | |
| 573 | 924 static ngx_int_t |
| 925 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 926 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 927 { |
| 1805 | 928 ngx_str_t s; |
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929 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 930 |
|
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931 s.len = NGX_SOCKADDR_STRLEN; |
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932 s.data = addr; |
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933 |
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934 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
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935 return NGX_ERROR; |
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936 } |
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937 |
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938 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 939 if (s.data == NULL) { |
| 573 | 940 return NGX_ERROR; |
| 509 | 941 } |
| 942 | |
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943 ngx_memcpy(s.data, addr, s.len); |
| 509 | 944 |
| 1805 | 945 v->len = s.len; |
| 573 | 946 v->valid = 1; |
| 1565 | 947 v->no_cacheable = 0; |
| 573 | 948 v->not_found = 0; |
| 1805 | 949 v->data = s.data; |
| 499 | 950 |
| 573 | 951 return NGX_OK; |
| 499 | 952 } |
| 953 | |
| 954 | |
| 573 | 955 static ngx_int_t |
| 956 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 957 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 958 { |
| 2533 | 959 ngx_uint_t port; |
| 960 struct sockaddr_in *sin; | |
| 961 #if (NGX_HAVE_INET6) | |
| 962 struct sockaddr_in6 *sin6; | |
| 963 #endif | |
| 964 | |
| 965 v->len = 0; | |
| 573 | 966 v->valid = 1; |
| 1565 | 967 v->no_cacheable = 0; |
| 573 | 968 v->not_found = 0; |
| 2533 | 969 |
| 970 if (ngx_http_server_addr(r, NULL) != NGX_OK) { | |
| 971 return NGX_ERROR; | |
| 972 } | |
| 973 | |
| 974 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 975 if (v->data == NULL) { | |
| 976 return NGX_ERROR; | |
| 977 } | |
| 978 | |
| 979 switch (r->connection->local_sockaddr->sa_family) { | |
| 980 | |
| 981 #if (NGX_HAVE_INET6) | |
| 982 case AF_INET6: | |
| 983 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 984 port = ntohs(sin6->sin6_port); | |
| 985 break; | |
| 986 #endif | |
| 987 | |
| 988 default: /* AF_INET */ | |
| 989 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 990 port = ntohs(sin->sin_port); | |
| 991 break; | |
| 992 } | |
| 993 | |
| 994 if (port > 0 && port < 65536) { | |
| 995 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 996 } | |
| 509 | 997 |
| 573 | 998 return NGX_OK; |
| 509 | 999 } |
| 1000 | |
| 1001 | |
| 573 | 1002 static ngx_int_t |
| 731 | 1003 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1004 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1005 { | |
| 1006 #if (NGX_HTTP_SSL) | |
| 1007 | |
| 1008 if (r->connection->ssl) { | |
| 1009 v->len = sizeof("https") - 1; | |
| 1010 v->valid = 1; | |
| 1565 | 1011 v->no_cacheable = 0; |
| 731 | 1012 v->not_found = 0; |
| 732 | 1013 v->data = (u_char *) "https"; |
| 731 | 1014 |
| 1015 return NGX_OK; | |
| 1016 } | |
| 1017 | |
| 1018 #endif | |
| 1019 | |
| 1020 v->len = sizeof("http") - 1; | |
| 1021 v->valid = 1; | |
| 1565 | 1022 v->no_cacheable = 0; |
| 731 | 1023 v->not_found = 0; |
| 732 | 1024 v->data = (u_char *) "http"; |
| 731 | 1025 |
| 1026 return NGX_OK; | |
| 1027 } | |
| 1028 | |
| 1029 | |
| 1030 static ngx_int_t | |
| 1351 | 1031 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1032 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1033 { | |
| 1034 v->valid = 1; | |
| 1565 | 1035 v->no_cacheable = 0; |
| 1351 | 1036 v->not_found = 0; |
| 1037 | |
| 1038 if (r->args.len == 0) { | |
| 1039 v->len = 0; | |
| 1040 v->data = NULL; | |
| 1041 return NGX_OK; | |
| 1042 } | |
| 1043 | |
| 1044 v->len = 1; | |
| 1045 v->data = (u_char *) "?"; | |
| 1046 | |
| 1047 return NGX_OK; | |
| 1048 } | |
| 1049 | |
| 1050 | |
| 1051 static ngx_int_t | |
| 573 | 1052 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1053 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1054 { |
| 671 | 1055 ngx_str_t path; |
| 573 | 1056 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1057 |
| 1058 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1059 | |
| 671 | 1060 if (clcf->root_lengths == NULL) { |
| 1061 v->len = clcf->root.len; | |
| 1062 v->valid = 1; | |
| 1565 | 1063 v->no_cacheable = 0; |
| 671 | 1064 v->not_found = 0; |
| 1065 v->data = clcf->root.data; | |
| 1066 | |
| 1067 } else { | |
| 1068 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1069 clcf->root_values->elts) | |
| 1070 == NULL) | |
| 1071 { | |
| 1072 return NGX_ERROR; | |
| 1073 } | |
| 1074 | |
| 1352 | 1075 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 1076 == NGX_ERROR) | |
| 1077 { | |
| 671 | 1078 return NGX_ERROR; |
| 1079 } | |
| 1080 | |
| 1081 v->len = path.len; | |
| 1082 v->valid = 1; | |
| 1565 | 1083 v->no_cacheable = 0; |
| 671 | 1084 v->not_found = 0; |
| 1085 v->data = path.data; | |
| 1086 } | |
| 509 | 1087 |
| 573 | 1088 return NGX_OK; |
| 509 | 1089 } |
| 1090 | |
| 1091 | |
| 573 | 1092 static ngx_int_t |
| 2259 | 1093 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1094 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1095 { | |
| 1096 size_t len; | |
| 1097 ngx_str_t path; | |
| 1098 ngx_http_core_loc_conf_t *clcf; | |
| 1099 u_char real[NGX_MAX_PATH]; | |
| 1100 | |
| 1101 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1102 | |
| 1103 if (clcf->root_lengths == NULL) { | |
| 1104 path = clcf->root; | |
| 1105 | |
| 1106 } else { | |
| 1107 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1108 clcf->root_values->elts) | |
| 1109 == NULL) | |
| 1110 { | |
| 1111 return NGX_ERROR; | |
| 1112 } | |
| 1113 | |
| 1114 path.data[path.len - 1] = '\0'; | |
| 1115 | |
| 1116 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
| 1117 == NGX_ERROR) | |
| 1118 { | |
| 1119 return NGX_ERROR; | |
| 1120 } | |
| 1121 } | |
| 1122 | |
| 1123 if (ngx_realpath(path.data, real) == NULL) { | |
| 1124 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1125 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1126 return NGX_ERROR; | |
| 1127 } | |
| 1128 | |
| 1129 len = ngx_strlen(real); | |
| 1130 | |
| 1131 v->data = ngx_pnalloc(r->pool, len); | |
| 1132 if (v->data == NULL) { | |
| 1133 return NGX_ERROR; | |
| 1134 } | |
| 1135 | |
| 1136 v->len = len; | |
| 1137 v->valid = 1; | |
| 1138 v->no_cacheable = 0; | |
| 1139 v->not_found = 0; | |
| 1140 | |
| 1141 ngx_memcpy(v->data, real, len); | |
| 1142 | |
| 1143 return NGX_OK; | |
| 1144 } | |
| 1145 | |
| 1146 | |
| 1147 static ngx_int_t | |
| 573 | 1148 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1149 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1150 { |
| 773 | 1151 size_t root; |
| 573 | 1152 ngx_str_t path; |
| 499 | 1153 |
| 773 | 1154 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1155 return NGX_ERROR; |
| 557 | 1156 } |
| 509 | 1157 |
| 557 | 1158 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1159 |
| 573 | 1160 v->len = path.len - 1; |
| 1161 v->valid = 1; | |
| 1565 | 1162 v->no_cacheable = 0; |
| 573 | 1163 v->not_found = 0; |
| 1164 v->data = path.data; | |
| 499 | 1165 |
| 573 | 1166 return NGX_OK; |
| 499 | 1167 } |
| 1168 | |
| 1169 | |
| 573 | 1170 static ngx_int_t |
| 1811 | 1171 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1172 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1173 { | |
| 1174 ngx_http_core_srv_conf_t *cscf; | |
| 1175 | |
| 1176 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1177 | |
| 1178 v->len = cscf->server_name.len; | |
| 1179 v->valid = 1; | |
| 1180 v->no_cacheable = 0; | |
| 1181 v->not_found = 0; | |
| 1182 v->data = cscf->server_name.data; | |
| 1183 | |
| 1184 return NGX_OK; | |
| 1185 } | |
| 1186 | |
| 1187 | |
| 1188 static ngx_int_t | |
| 573 | 1189 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1190 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1191 { |
| 647 | 1192 if (r->main->method_name.data) { |
| 1193 v->len = r->main->method_name.len; | |
| 573 | 1194 v->valid = 1; |
| 1565 | 1195 v->no_cacheable = 0; |
| 573 | 1196 v->not_found = 0; |
| 647 | 1197 v->data = r->main->method_name.data; |
| 573 | 1198 |
| 1199 } else { | |
| 1200 v->not_found = 1; | |
| 561 | 1201 } |
| 1202 | |
| 573 | 1203 return NGX_OK; |
| 561 | 1204 } |
| 1205 | |
| 1206 | |
| 573 | 1207 static ngx_int_t |
| 1208 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1209 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1210 { |
| 573 | 1211 ngx_int_t rc; |
| 539 | 1212 |
| 1213 rc = ngx_http_auth_basic_user(r); | |
| 1214 | |
| 1215 if (rc == NGX_DECLINED) { | |
| 573 | 1216 v->not_found = 1; |
| 1217 return NGX_OK; | |
| 539 | 1218 } |
| 1219 | |
| 1220 if (rc == NGX_ERROR) { | |
| 573 | 1221 return NGX_ERROR; |
| 539 | 1222 } |
| 1223 | |
| 573 | 1224 v->len = r->headers_in.user.len; |
| 1225 v->valid = 1; | |
| 1565 | 1226 v->no_cacheable = 0; |
| 573 | 1227 v->not_found = 0; |
| 1228 v->data = r->headers_in.user.data; | |
| 571 | 1229 |
| 573 | 1230 return NGX_OK; |
| 571 | 1231 } |
| 1232 | |
| 1233 | |
| 611 | 1234 static ngx_int_t |
| 1235 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1236 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1237 { | |
| 1238 off_t sent; | |
| 1239 u_char *p; | |
| 1240 | |
| 1241 sent = r->connection->sent - r->header_size; | |
| 1242 | |
| 1243 if (sent < 0) { | |
| 1244 sent = 0; | |
| 1245 } | |
| 1246 | |
| 2049 | 1247 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1248 if (p == NULL) { |
| 1249 return NGX_ERROR; | |
| 1250 } | |
| 1251 | |
| 1252 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1253 v->valid = 1; | |
| 1565 | 1254 v->no_cacheable = 0; |
| 611 | 1255 v->not_found = 0; |
| 1256 v->data = p; | |
| 1257 | |
| 1258 return NGX_OK; | |
| 1259 } | |
| 1260 | |
| 1261 | |
| 629 | 1262 static ngx_int_t |
| 641 | 1263 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1264 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1265 { | |
| 1266 if (r->headers_out.content_type.len) { | |
| 1267 v->len = r->headers_out.content_type.len; | |
| 1268 v->valid = 1; | |
| 1565 | 1269 v->no_cacheable = 0; |
| 641 | 1270 v->not_found = 0; |
| 1271 v->data = r->headers_out.content_type.data; | |
| 1272 | |
| 1273 } else { | |
| 1274 v->not_found = 1; | |
| 1275 } | |
| 1276 | |
| 1277 return NGX_OK; | |
| 1278 } | |
| 1279 | |
| 1280 | |
| 1281 static ngx_int_t | |
| 1282 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1283 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1284 { | |
| 1285 u_char *p; | |
| 1286 | |
| 1287 if (r->headers_out.content_length) { | |
| 1288 v->len = r->headers_out.content_length->value.len; | |
| 1289 v->valid = 1; | |
| 1565 | 1290 v->no_cacheable = 0; |
| 641 | 1291 v->not_found = 0; |
| 1292 v->data = r->headers_out.content_length->value.data; | |
| 1293 | |
| 1294 return NGX_OK; | |
| 1295 } | |
| 1296 | |
| 1297 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1298 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1299 if (p == NULL) { |
| 1300 return NGX_ERROR; | |
| 1301 } | |
| 1302 | |
| 1303 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1304 v->valid = 1; | |
| 1565 | 1305 v->no_cacheable = 0; |
| 641 | 1306 v->not_found = 0; |
| 1307 v->data = p; | |
| 1308 | |
| 1309 return NGX_OK; | |
| 1310 } | |
| 1311 | |
| 1312 v->not_found = 1; | |
| 1313 | |
| 1314 return NGX_OK; | |
| 1315 } | |
| 1316 | |
| 1317 | |
| 1318 static ngx_int_t | |
|
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1319 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1320 ngx_http_variable_value_t *v, uintptr_t data) |
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1321 { |
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1322 if (r->headers_out.location) { |
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1323 v->len = r->headers_out.location->value.len; |
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1324 v->valid = 1; |
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1325 v->no_cacheable = 0; |
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1326 v->not_found = 0; |
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1327 v->data = r->headers_out.location->value.data; |
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1328 |
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1329 return NGX_OK; |
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1330 } |
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1331 |
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1332 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
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1333 &r->headers_out.headers.part, |
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1334 sizeof("sent_http_") - 1); |
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1335 } |
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1336 |
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1337 |
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1338 static ngx_int_t |
| 641 | 1339 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1340 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1341 { | |
| 1342 u_char *p; | |
| 1343 | |
| 1344 if (r->headers_out.last_modified) { | |
| 1345 v->len = r->headers_out.last_modified->value.len; | |
| 1346 v->valid = 1; | |
| 1565 | 1347 v->no_cacheable = 0; |
| 641 | 1348 v->not_found = 0; |
| 1349 v->data = r->headers_out.last_modified->value.data; | |
| 1350 | |
| 1351 return NGX_OK; | |
| 1352 } | |
| 1353 | |
| 1354 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1355 p = ngx_pnalloc(r->pool, |
| 641 | 1356 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1357 if (p == NULL) { | |
| 1358 return NGX_ERROR; | |
| 1359 } | |
| 1360 | |
| 1361 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1362 v->valid = 1; | |
| 1565 | 1363 v->no_cacheable = 0; |
| 641 | 1364 v->not_found = 0; |
| 1365 v->data = p; | |
| 1366 | |
| 1367 return NGX_OK; | |
| 1368 } | |
| 1369 | |
| 1370 v->not_found = 1; | |
| 1371 | |
| 1372 return NGX_OK; | |
| 1373 } | |
| 1374 | |
| 1375 | |
| 1376 static ngx_int_t | |
| 1377 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1378 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1379 { | |
| 1380 size_t len; | |
| 1381 char *p; | |
| 1382 | |
| 1383 if (r->keepalive) { | |
| 1384 len = sizeof("keep-alive") - 1; | |
| 1385 p = "keep-alive"; | |
| 1386 | |
| 1387 } else { | |
| 1388 len = sizeof("close") - 1; | |
| 1389 p = "close"; | |
| 1390 } | |
| 1391 | |
| 1392 v->len = len; | |
| 1393 v->valid = 1; | |
| 1565 | 1394 v->no_cacheable = 0; |
| 641 | 1395 v->not_found = 0; |
| 1396 v->data = (u_char *) p; | |
| 1397 | |
| 1398 return NGX_OK; | |
| 1399 } | |
| 1400 | |
| 1401 | |
| 1402 static ngx_int_t | |
| 1403 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1404 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1405 { | |
| 1406 u_char *p; | |
| 1407 ngx_http_core_loc_conf_t *clcf; | |
| 1408 | |
| 1409 if (r->keepalive) { | |
| 1410 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1411 | |
| 1412 if (clcf->keepalive_header) { | |
| 1413 | |
| 2049 | 1414 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1415 if (p == NULL) { |
| 1416 return NGX_ERROR; | |
| 1417 } | |
| 1418 | |
| 1419 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1420 v->valid = 1; | |
| 1565 | 1421 v->no_cacheable = 0; |
| 641 | 1422 v->not_found = 0; |
| 1423 v->data = p; | |
| 1424 | |
| 1425 return NGX_OK; | |
| 1426 } | |
| 1427 } | |
| 1428 | |
| 1429 v->not_found = 1; | |
| 1430 | |
| 1431 return NGX_OK; | |
| 1432 } | |
| 1433 | |
| 1434 | |
| 1435 static ngx_int_t | |
| 1436 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1437 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1438 { | |
| 1439 if (r->chunked) { | |
| 1440 v->len = sizeof("chunked") - 1; | |
| 1441 v->valid = 1; | |
| 1565 | 1442 v->no_cacheable = 0; |
| 641 | 1443 v->not_found = 0; |
| 1444 v->data = (u_char *) "chunked"; | |
| 1445 | |
| 1446 } else { | |
| 1447 v->not_found = 1; | |
| 1448 } | |
| 1449 | |
| 1450 return NGX_OK; | |
| 1451 } | |
| 1452 | |
| 1453 | |
| 1454 static ngx_int_t | |
| 629 | 1455 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1456 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1457 { | |
| 1458 if (r->request_complete) { | |
| 1459 v->len = 2; | |
| 1460 v->valid = 1; | |
| 1565 | 1461 v->no_cacheable = 0; |
| 629 | 1462 v->not_found = 0; |
| 1463 v->data = (u_char *) "OK"; | |
| 1464 | |
| 1465 return NGX_OK; | |
| 1466 } | |
| 1467 | |
| 1468 v->len = 0; | |
| 1469 v->valid = 1; | |
| 1565 | 1470 v->no_cacheable = 0; |
| 629 | 1471 v->not_found = 0; |
| 1472 v->data = (u_char *) ""; | |
| 1473 | |
| 1474 return NGX_OK; | |
| 1475 } | |
| 1476 | |
| 1477 | |
| 759 | 1478 static ngx_int_t |
| 1479 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1480 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1481 { | |
| 1482 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1483 v->not_found = 1; |
| 759 | 1484 |
| 1485 return NGX_OK; | |
| 1486 } | |
| 1487 | |
| 1488 v->len = r->request_body->temp_file->file.name.len; | |
| 1489 v->valid = 1; | |
| 1565 | 1490 v->no_cacheable = 0; |
| 759 | 1491 v->not_found = 0; |
| 1492 v->data = r->request_body->temp_file->file.name.data; | |
| 1493 | |
| 1494 return NGX_OK; | |
| 1495 } | |
| 1496 | |
| 1497 | |
| 1329 | 1498 static ngx_int_t |
| 1499 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1500 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1501 { | |
| 1502 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1503 v->valid = 1; | |
| 1565 | 1504 v->no_cacheable = 0; |
| 1329 | 1505 v->not_found = 0; |
| 1506 v->data = (u_char *) NGINX_VERSION; | |
| 1507 | |
| 1508 return NGX_OK; | |
| 1509 } | |
| 1510 | |
| 1511 | |
| 2011 | 1512 static ngx_int_t |
| 1513 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1514 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1515 { | |
| 1516 v->len = ngx_cycle->hostname.len; | |
| 1517 v->valid = 1; | |
| 1518 v->no_cacheable = 0; | |
| 1519 v->not_found = 0; | |
| 1520 v->data = ngx_cycle->hostname.data; | |
| 1521 | |
| 1522 return NGX_OK; | |
| 1523 } | |
| 1524 | |
| 1525 | |
| 2249 | 1526 static ngx_int_t |
| 1527 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1528 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1529 { | |
| 1530 u_char *p; | |
| 1531 | |
| 1532 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1533 if (p == NULL) { | |
| 1534 return NGX_ERROR; | |
| 1535 } | |
| 1536 | |
| 1537 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1538 v->valid = 1; | |
| 1539 v->no_cacheable = 0; | |
| 1540 v->not_found = 0; | |
| 1541 v->data = p; | |
| 1542 | |
| 1543 return NGX_OK; | |
| 1544 } | |
| 1545 | |
| 1546 | |
| 499 | 1547 ngx_int_t |
| 509 | 1548 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1549 { |
| 611 | 1550 ngx_int_t rc; |
| 1551 ngx_http_variable_t *v; | |
| 501 | 1552 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1553 |
| 509 | 1554 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1555 | |
| 611 | 1556 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1557 sizeof(ngx_hash_keys_arrays_t)); | |
| 1558 if (cmcf->variables_keys == NULL) { | |
| 1559 return NGX_ERROR; | |
| 1560 } | |
| 1561 | |
| 1562 cmcf->variables_keys->pool = cf->pool; | |
| 1563 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1564 | |
| 1565 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1566 != NGX_OK) | |
| 509 | 1567 { |
| 499 | 1568 return NGX_ERROR; |
| 1569 } | |
| 1570 | |
| 611 | 1571 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1572 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1573 NGX_HASH_READONLY_KEY); | |
| 1574 | |
| 1575 if (rc == NGX_OK) { | |
| 1576 continue; | |
| 499 | 1577 } |
| 1578 | |
| 611 | 1579 if (rc == NGX_BUSY) { |
| 1580 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1581 "conflicting variable name \"%V\"", &v->name); | |
| 1582 } | |
| 1583 | |
| 1584 return NGX_ERROR; | |
| 499 | 1585 } |
| 1586 | |
| 1587 return NGX_OK; | |
| 1588 } | |
| 509 | 1589 |
| 1590 | |
| 1591 ngx_int_t | |
| 1592 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1593 { | |
| 1594 ngx_uint_t i, n; | |
| 611 | 1595 ngx_hash_key_t *key; |
| 1596 ngx_hash_init_t hash; | |
| 509 | 1597 ngx_http_variable_t *v, *av; |
| 1598 ngx_http_core_main_conf_t *cmcf; | |
| 1599 | |
| 1600 /* set the handlers for the indexed http variables */ | |
| 1601 | |
| 1602 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1603 | |
| 1604 v = cmcf->variables.elts; | |
| 611 | 1605 key = cmcf->variables_keys->keys.elts; |
| 509 | 1606 |
| 1607 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1608 | |
| 611 | 1609 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1610 |
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1611 av = key[n].value; |
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1612 |
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1613 if (av->get_handler |
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1614 && v[i].name.len == key[n].key.len |
| 611 | 1615 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1616 == 0) |
| 1617 { | |
| 637 | 1618 v[i].get_handler = av->get_handler; |
| 611 | 1619 v[i].data = av->data; |
| 527 | 1620 |
| 611 | 1621 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1622 v[i].flags = av->flags; | |
| 509 | 1623 |
| 611 | 1624 av->index = i; |
| 533 | 1625 |
| 509 | 1626 goto next; |
| 1627 } | |
| 1628 } | |
| 1629 | |
| 1630 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1631 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1632 v[i].data = (uintptr_t) &v[i].name; |
| 1633 | |
| 1634 continue; | |
| 1635 } | |
| 1636 | |
| 1637 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1638 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1639 v[i].data = (uintptr_t) &v[i].name; |
| 1640 | |
| 1641 continue; | |
| 1642 } | |
| 1643 | |
| 1162 | 1644 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1645 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1646 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1647 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1648 |
| 1649 continue; | |
| 1650 } | |
| 1651 | |
| 2307 | 1652 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1653 v[i].get_handler = ngx_http_variable_cookie; | |
| 1654 v[i].data = (uintptr_t) &v[i].name; | |
| 1655 | |
| 1656 continue; | |
| 1657 } | |
| 1658 | |
| 2137 | 1659 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1660 v[i].get_handler = ngx_http_variable_argument; | |
| 1661 v[i].data = (uintptr_t) &v[i].name; | |
| 1662 | |
| 1663 continue; | |
| 1664 } | |
| 1665 | |
| 509 | 1666 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1667 "unknown \"%V\" variable", &v[i].name); | |
| 1668 | |
| 1669 return NGX_ERROR; | |
| 1670 | |
| 1671 next: | |
| 1672 continue; | |
| 1673 } | |
| 1674 | |
| 1675 | |
| 611 | 1676 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1677 av = key[n].value; | |
| 1678 | |
| 1679 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1680 key[n].key.data = NULL; | |
| 583 | 1681 } |
| 1682 } | |
| 1683 | |
| 1684 | |
| 611 | 1685 hash.hash = &cmcf->variables_hash; |
| 1686 hash.key = ngx_hash_key; | |
| 1687 hash.max_size = cmcf->variables_hash_max_size; | |
| 1688 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1689 hash.name = "variables_hash"; | |
| 1690 hash.pool = cf->pool; | |
| 1691 hash.temp_pool = NULL; | |
| 509 | 1692 |
| 611 | 1693 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1694 cmcf->variables_keys->keys.nelts) | |
| 581 | 1695 != NGX_OK) |
| 509 | 1696 { |
| 1697 return NGX_ERROR; | |
| 1698 } | |
| 1699 | |
| 611 | 1700 cmcf->variables_keys = NULL; |
| 509 | 1701 |
| 1702 return NGX_OK; | |
| 1703 } | |
|
2333
f267d23868fc
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|
1704 |
|
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|
1705 |
|
f267d23868fc
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|
1706 void |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1707 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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|
1708 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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|
1709 { |
|
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Igor Sysoev <igor@sysoev.ru>
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|
1710 ngx_rbtree_node_t **p; |
|
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|
1711 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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parents:
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|
1712 |
|
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diff
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|
1713 for ( ;; ) { |
|
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|
1714 |
|
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|
1715 vvn = (ngx_http_variable_value_node_t *) node; |
|
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|
1716 vvt = (ngx_http_variable_value_node_t *) temp; |
|
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|
1717 |
|
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|
1718 if (node->key != temp->key) { |
|
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|
1719 |
|
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|
1720 p = (node->key < temp->key) ? &temp->left : &temp->right; |
|
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|
1721 |
|
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|
1722 } else if (vvn->len != vvt->len) { |
|
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|
1723 |
|
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|
1724 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
|
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|
1725 |
|
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diff
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|
1726 } else { |
|
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|
1727 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
|
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diff
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|
1728 ? &temp->left : &temp->right; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1729 } |
|
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diff
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|
1730 |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1731 if (*p == sentinel) { |
|
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parents:
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diff
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|
1732 break; |
|
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diff
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|
1733 } |
|
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diff
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|
1734 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1735 temp = *p; |
|
f267d23868fc
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parents:
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diff
changeset
|
1736 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1737 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1738 *p = node; |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
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|
1739 node->parent = temp; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1740 node->left = sentinel; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1741 node->right = sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1742 ngx_rbt_red(node); |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1743 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1744 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1745 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1746 ngx_http_variable_value_t * |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1747 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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|
1748 uint32_t hash) |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1749 { |
|
f267d23868fc
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diff
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|
1750 ngx_int_t rc; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1751 ngx_rbtree_node_t *node, *sentinel; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1752 ngx_http_variable_value_node_t *vvn; |
|
f267d23868fc
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parents:
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diff
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|
1753 |
|
f267d23868fc
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|
1754 node = rbtree->root; |
|
f267d23868fc
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parents:
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diff
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|
1755 sentinel = rbtree->sentinel; |
|
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|
1756 |
|
f267d23868fc
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|
1757 while (node != sentinel) { |
|
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|
1758 |
|
f267d23868fc
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|
1759 vvn = (ngx_http_variable_value_node_t *) node; |
|
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|
1760 |
|
f267d23868fc
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|
1761 if (hash != node->key) { |
|
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|
1762 node = (hash < node->key) ? node->left : node->right; |
|
f267d23868fc
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|
1763 continue; |
|
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diff
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|
1764 } |
|
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|
1765 |
|
f267d23868fc
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|
1766 if (val->len != vvn->len) { |
|
f267d23868fc
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|
1767 node = (val->len < vvn->len) ? node->left : node->right; |
|
f267d23868fc
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|
1768 continue; |
|
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diff
changeset
|
1769 } |
|
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diff
changeset
|
1770 |
|
f267d23868fc
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changeset
|
1771 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
|
f267d23868fc
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|
1772 |
|
f267d23868fc
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changeset
|
1773 if (rc < 0) { |
|
f267d23868fc
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|
1774 node = node->left; |
|
f267d23868fc
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|
1775 continue; |
|
f267d23868fc
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parents:
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diff
changeset
|
1776 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1777 |
|
f267d23868fc
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diff
changeset
|
1778 if (rc > 0) { |
|
f267d23868fc
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changeset
|
1779 node = node->right; |
|
f267d23868fc
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changeset
|
1780 continue; |
|
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diff
changeset
|
1781 } |
|
f267d23868fc
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diff
changeset
|
1782 |
|
f267d23868fc
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diff
changeset
|
1783 return vvn->value; |
|
f267d23868fc
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diff
changeset
|
1784 } |
|
f267d23868fc
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diff
changeset
|
1785 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1786 return NULL; |
|
f267d23868fc
variable value rbtree support
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diff
changeset
|
1787 } |