Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 982:664afe2c1480
$binary_remote_addr
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 07 Jan 2007 13:35:08 +0000 |
| parents | a6fe6bedb9e3 |
| children | 7a8ca436d611 |
| 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_event.h> | |
| 10 #include <ngx_http.h> | |
| 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); | |
| 637 | 15 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 17 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 19 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 21 |
| 22 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 23 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 24 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 25 ngx_http_variable_value_t *v, uintptr_t data); | |
| 26 static ngx_int_t ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, | |
| 27 ngx_str_t *var, ngx_list_part_t *part, size_t prefix); | |
| 28 | |
| 573 | 29 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 30 ngx_http_variable_value_t *v, uintptr_t data); | |
| 31 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, | |
| 32 ngx_http_variable_value_t *v, uintptr_t data); | |
| 33 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 34 ngx_http_variable_value_t *v, uintptr_t data); | |
| 35 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 36 ngx_http_variable_value_t *v, uintptr_t data); | |
| 37 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 39 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 41 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 45 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, | |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 47 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 49 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 51 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 53 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 55 |
| 641 | 56 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 57 ngx_http_variable_value_t *v, uintptr_t data); | |
| 58 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 59 ngx_http_variable_value_t *v, uintptr_t data); | |
| 60 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 61 ngx_http_variable_value_t *v, uintptr_t data); | |
| 62 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 63 ngx_http_variable_value_t *v, uintptr_t data); | |
| 64 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 65 ngx_http_variable_value_t *v, uintptr_t data); | |
| 66 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 67 ngx_http_variable_value_t *v, uintptr_t data); | |
| 68 | |
| 499 | 69 |
| 509 | 70 /* |
| 71 * TODO: | |
| 72 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 73 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 74 * SERVER_SOFTWARE | |
| 75 * | |
| 571 | 76 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 77 */ |
| 499 | 78 |
| 641 | 79 /* |
| 80 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 81 * and $http_x_forwarded_for variables may be handled by generic | |
| 82 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 83 * they are handled using dedicated entries | |
| 84 */ | |
| 85 | |
| 509 | 86 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 87 | |
| 637 | 88 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 89 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 90 |
| 637 | 91 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 92 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 93 |
| 637 | 94 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 95 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 96 |
| 97 #if (NGX_HTTP_GZIP) | |
| 637 | 98 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 99 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 100 #endif |
| 101 | |
| 102 #if (NGX_HTTP_PROXY) | |
| 637 | 103 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 104 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 105 #endif |
| 106 | |
| 637 | 107 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 108 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 109 |
| 637 | 110 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 111 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 112 |
| 637 | 113 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 114 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 115 |
| 637 | 116 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 117 |
| 982 | 118 { ngx_string("binary_remote_addr"), NULL, |
| 119 ngx_http_variable_remote_addr, 1, 0, 0 }, | |
| 120 | |
| 637 | 121 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 122 |
| 637 | 123 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 124 |
| 637 | 125 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 126 |
| 637 | 127 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 128 |
| 637 | 129 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 130 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 131 |
| 731 | 132 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 133 | |
| 637 | 134 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 135 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 136 |
| 637 | 137 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 138 offsetof(ngx_http_request_t, uri), | |
| 139 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 140 | |
| 141 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 142 offsetof(ngx_http_request_t, uri), |
| 143 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 144 | |
| 637 | 145 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 146 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 147 | |
| 637 | 148 { ngx_string("document_root"), NULL, |
| 671 | 149 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 509 | 150 |
| 637 | 151 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 152 offsetof(ngx_http_request_t, args), |
| 533 | 153 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 499 | 154 |
| 637 | 155 { ngx_string("args"), NULL, ngx_http_variable_request, |
| 589 | 156 offsetof(ngx_http_request_t, args), |
| 157 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 158 | |
| 637 | 159 { ngx_string("request_filename"), NULL, |
| 160 ngx_http_variable_request_filename, 0, | |
| 533 | 161 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 509 | 162 |
| 637 | 163 { ngx_string("server_name"), NULL, ngx_http_variable_request, |
| 533 | 164 offsetof(ngx_http_request_t, server_name), 0, 0 }, |
| 509 | 165 |
| 637 | 166 { ngx_string("request_method"), NULL, |
| 167 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 168 |
| 637 | 169 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 170 |
| 637 | 171 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 172 0, 0, 0 }, |
| 173 | |
| 637 | 174 { ngx_string("request_completion"), NULL, |
| 175 ngx_http_variable_request_completion, | |
| 629 | 176 0, 0, 0 }, |
| 177 | |
| 759 | 178 { ngx_string("request_body_file"), NULL, |
| 179 ngx_http_variable_request_body_file, | |
| 180 0, 0, 0 }, | |
| 181 | |
| 641 | 182 { ngx_string("sent_http_content_type"), NULL, |
| 183 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 184 | |
| 185 { ngx_string("sent_http_content_length"), NULL, | |
| 186 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 187 | |
| 188 { ngx_string("sent_http_last_modified"), NULL, | |
| 189 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 190 | |
| 191 { ngx_string("sent_http_connection"), NULL, | |
| 192 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 193 | |
| 194 { ngx_string("sent_http_keep_alive"), NULL, | |
| 195 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 196 | |
| 197 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 198 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 199 | |
| 200 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 201 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 202 | |
| 637 | 203 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 204 ngx_http_variable_request, | |
| 205 offsetof(ngx_http_request_t, limit_rate), | |
| 206 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 207 | |
| 208 { ngx_null_string, NULL, NULL, 0, 0, 0 } | |
| 499 | 209 }; |
| 210 | |
| 211 | |
| 577 | 212 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 213 ngx_http_variable(""); | |
| 214 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 215 ngx_http_variable("1"); | |
| 216 | |
| 217 | |
| 499 | 218 ngx_http_variable_t * |
| 509 | 219 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 220 { | |
| 611 | 221 ngx_int_t rc; |
| 509 | 222 ngx_uint_t i; |
| 611 | 223 ngx_hash_key_t *key; |
| 509 | 224 ngx_http_variable_t *v; |
| 225 ngx_http_core_main_conf_t *cmcf; | |
| 226 | |
| 227 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 228 | |
| 611 | 229 key = cmcf->variables_keys->keys.elts; |
| 230 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 231 if (name->len != key[i].key.len | |
| 232 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 233 { |
| 234 continue; | |
| 235 } | |
| 236 | |
| 611 | 237 v = key[i].value; |
| 238 | |
| 239 if (!(v->flags & NGX_HTTP_VAR_CHANGABLE)) { | |
| 509 | 240 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 241 "the duplicate \"%V\" variable", name); | |
| 242 return NULL; | |
| 243 } | |
| 244 | |
| 611 | 245 return v; |
| 509 | 246 } |
| 247 | |
| 611 | 248 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 249 if (v == NULL) { |
| 250 return NULL; | |
| 251 } | |
| 252 | |
| 253 v->name.len = name->len; | |
| 254 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 255 if (v->name.data == NULL) { | |
| 256 return NULL; | |
| 257 } | |
| 258 | |
| 259 for (i = 0; i < name->len; i++) { | |
| 260 v->name.data[i] = ngx_tolower(name->data[i]); | |
| 261 } | |
| 262 | |
| 637 | 263 v->set_handler = NULL; |
| 264 v->get_handler = NULL; | |
| 509 | 265 v->data = 0; |
| 266 v->flags = flags; | |
| 533 | 267 v->index = 0; |
| 509 | 268 |
| 611 | 269 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 270 | |
| 271 if (rc == NGX_ERROR) { | |
| 272 return NULL; | |
| 273 } | |
| 274 | |
| 275 if (rc == NGX_BUSY) { | |
| 276 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 277 "conflicting variable name \"%V\"", name); | |
| 278 return NULL; | |
| 279 } | |
| 280 | |
| 509 | 281 return v; |
| 282 } | |
| 283 | |
| 284 | |
| 285 ngx_int_t | |
| 286 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 287 { |
| 501 | 288 ngx_uint_t i; |
| 289 ngx_http_variable_t *v; | |
| 499 | 290 ngx_http_core_main_conf_t *cmcf; |
| 291 | |
| 292 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 293 | |
| 501 | 294 v = cmcf->variables.elts; |
| 295 | |
| 296 if (v == NULL) { | |
| 499 | 297 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 298 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 299 { | |
| 509 | 300 return NGX_ERROR; |
| 499 | 301 } |
| 501 | 302 |
| 303 } else { | |
| 304 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 305 if (name->len != v[i].name.len | |
| 306 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 307 { | |
| 308 continue; | |
| 309 } | |
| 310 | |
| 509 | 311 return i; |
| 501 | 312 } |
| 499 | 313 } |
| 314 | |
| 501 | 315 v = ngx_array_push(&cmcf->variables); |
| 316 if (v == NULL) { | |
| 509 | 317 return NGX_ERROR; |
| 499 | 318 } |
| 319 | |
| 501 | 320 v->name.len = name->len; |
| 321 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 322 if (v->name.data == NULL) { | |
| 509 | 323 return NGX_ERROR; |
| 501 | 324 } |
| 499 | 325 |
| 501 | 326 for (i = 0; i < name->len; i++) { |
| 509 | 327 v->name.data[i] = ngx_tolower(name->data[i]); |
| 501 | 328 } |
| 329 | |
| 637 | 330 v->set_handler = NULL; |
| 331 v->get_handler = NULL; | |
| 501 | 332 v->data = 0; |
| 509 | 333 v->flags = 0; |
| 533 | 334 v->index = cmcf->variables.nelts - 1; |
| 501 | 335 |
| 509 | 336 return cmcf->variables.nelts - 1; |
| 499 | 337 } |
| 338 | |
| 339 | |
| 340 ngx_http_variable_value_t * | |
| 341 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 342 { | |
| 501 | 343 ngx_http_variable_t *v; |
| 499 | 344 ngx_http_core_main_conf_t *cmcf; |
| 345 | |
| 346 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 347 | |
| 553 | 348 if (cmcf->variables.nelts <= index) { |
| 499 | 349 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 350 "unknown variable index: %d", index); | |
| 351 return NULL; | |
| 352 } | |
| 353 | |
| 573 | 354 if (r->variables[index].not_found || r->variables[index].valid) { |
| 355 return &r->variables[index]; | |
| 501 | 356 } |
| 499 | 357 |
| 501 | 358 v = cmcf->variables.elts; |
| 499 | 359 |
| 637 | 360 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 361 == NGX_OK) | |
| 362 { | |
| 573 | 363 if (v[index].flags & NGX_HTTP_VAR_NOCACHABLE) { |
| 364 r->variables[index].no_cachable = 1; | |
| 499 | 365 } |
| 573 | 366 |
| 367 return &r->variables[index]; | |
| 499 | 368 } |
| 369 | |
| 657 | 370 r->variables[index].valid = 0; |
| 371 r->variables[index].not_found = 1; | |
| 372 | |
| 798 | 373 return NULL; |
| 573 | 374 } |
| 375 | |
| 376 | |
| 377 ngx_http_variable_value_t * | |
| 378 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 379 { | |
| 380 ngx_http_variable_value_t *v; | |
| 381 | |
| 382 v = &r->variables[index]; | |
| 383 | |
| 384 if (v->valid) { | |
| 385 if (!v->no_cachable) { | |
| 386 return v; | |
| 387 } | |
| 388 | |
| 389 v->valid = 0; | |
| 390 v->not_found = 0; | |
| 509 | 391 } |
| 501 | 392 |
| 573 | 393 return ngx_http_get_indexed_variable(r, index); |
| 499 | 394 } |
| 395 | |
| 396 | |
| 397 ngx_http_variable_value_t * | |
| 635 | 398 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 399 ngx_uint_t nowarn) | |
| 499 | 400 { |
| 501 | 401 ngx_http_variable_t *v; |
| 573 | 402 ngx_http_variable_value_t *vv; |
| 499 | 403 ngx_http_core_main_conf_t *cmcf; |
| 404 | |
| 405 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 406 | |
| 611 | 407 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 408 |
| 611 | 409 if (v) { |
| 410 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 411 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 412 |
| 413 } else { | |
| 499 | 414 |
| 573 | 415 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 416 |
| 637 | 417 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 418 return vv; |
| 419 } | |
| 509 | 420 |
| 573 | 421 return NULL; |
| 422 } | |
| 509 | 423 } |
| 424 | |
| 425 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 426 if (vv == NULL) { | |
| 427 return NULL; | |
| 428 } | |
| 429 | |
| 573 | 430 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 431 |
| 577 | 432 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 433 == NGX_OK) | |
| 434 { | |
| 435 return vv; | |
| 436 } | |
| 437 | |
| 438 return NULL; | |
| 439 } | |
| 440 | |
| 441 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 442 | |
| 443 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 444 == NGX_OK) | |
| 573 | 445 { |
| 446 return vv; | |
| 447 } | |
| 499 | 448 |
| 449 return NULL; | |
| 450 } | |
| 451 | |
| 635 | 452 vv->not_found = 1; |
| 573 | 453 |
| 635 | 454 if (nowarn == 0) { |
| 455 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 456 "unknown \"%V\" variable", name); | |
| 457 } | |
| 499 | 458 |
| 501 | 459 return vv; |
| 499 | 460 } |
| 461 | |
| 462 | |
| 573 | 463 static ngx_int_t |
| 464 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 465 uintptr_t data) | |
| 466 { | |
| 467 ngx_str_t *s; | |
| 468 | |
| 469 s = (ngx_str_t *) ((char *) r + data); | |
| 470 | |
| 471 if (s->data) { | |
| 472 v->len = s->len; | |
| 473 v->valid = 1; | |
| 474 v->no_cachable = 0; | |
| 475 v->not_found = 0; | |
| 476 v->data = s->data; | |
| 477 | |
| 478 } else { | |
| 479 v->not_found = 1; | |
| 480 } | |
| 481 | |
| 482 return NGX_OK; | |
| 483 } | |
| 484 | |
| 485 | |
| 637 | 486 static void |
| 487 ngx_http_variable_request_set_size(ngx_http_request_t *r, | |
| 488 ngx_http_variable_value_t *v, uintptr_t data) | |
| 489 { | |
| 490 ssize_t s, *sp; | |
| 491 ngx_str_t val; | |
| 492 | |
| 493 val.len = v->len & 0xffff; | |
| 494 val.data = v->data; | |
| 495 | |
| 496 s = ngx_parse_size(&val); | |
| 497 | |
| 498 if (s == NGX_ERROR) { | |
| 499 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 500 "invalid size \"%V\"", &val); | |
| 501 return; | |
| 502 } | |
| 503 | |
| 504 sp = (ssize_t *) ((char *) r + data); | |
| 505 | |
| 506 *sp = s; | |
| 507 | |
| 508 return; | |
| 509 } | |
| 510 | |
| 511 | |
| 573 | 512 static ngx_int_t |
| 513 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 514 uintptr_t data) | |
| 515 | 515 { |
| 573 | 516 ngx_table_elt_t *h; |
| 517 | |
| 518 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 519 | |
| 520 if (h) { | |
| 521 v->len = h->value.len; | |
| 522 v->valid = 1; | |
| 523 v->no_cachable = 0; | |
| 524 v->not_found = 0; | |
| 525 v->data = h->value.data; | |
| 526 | |
| 527 } else { | |
| 528 v->not_found = 1; | |
| 529 } | |
| 530 | |
| 531 return NGX_OK; | |
| 532 } | |
| 533 | |
| 534 | |
| 535 static ngx_int_t | |
| 536 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 537 uintptr_t data) | |
| 538 { | |
| 667 | 539 ssize_t len; |
| 573 | 540 u_char *p; |
| 667 | 541 ngx_uint_t i, n; |
| 573 | 542 ngx_array_t *a; |
| 543 ngx_table_elt_t **h; | |
| 515 | 544 |
| 545 a = (ngx_array_t *) ((char *) r + data); | |
| 546 | |
| 667 | 547 n = a->nelts; |
| 548 | |
| 549 if (n == 0) { | |
| 573 | 550 v->not_found = 1; |
| 551 return NGX_OK; | |
| 515 | 552 } |
| 553 | |
| 573 | 554 v->valid = 1; |
| 555 v->no_cachable = 0; | |
| 556 v->not_found = 0; | |
| 515 | 557 |
| 558 h = a->elts; | |
| 559 | |
| 667 | 560 if (n == 1) { |
| 573 | 561 v->len = (*h)->value.len; |
| 562 v->data = (*h)->value.data; | |
| 515 | 563 |
| 573 | 564 return NGX_OK; |
| 515 | 565 } |
| 566 | |
| 667 | 567 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 568 |
| 667 | 569 for (i = 0; i < n; i++) { |
| 573 | 570 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 571 } |
| 572 | |
| 573 | 573 p = ngx_palloc(r->pool, len); |
| 574 if (p == NULL) { | |
| 575 return NGX_ERROR; | |
| 576 } | |
| 577 | |
| 578 v->len = len; | |
| 579 v->data = p; | |
| 515 | 580 |
| 581 for (i = 0; /* void */ ; i++) { | |
| 573 | 582 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 583 |
| 667 | 584 if (i == n - 1) { |
| 515 | 585 break; |
| 586 } | |
| 587 | |
| 588 *p++ = ';'; *p++ = ' '; | |
| 589 } | |
| 590 | |
| 573 | 591 return NGX_OK; |
| 515 | 592 } |
| 593 | |
| 594 | |
| 573 | 595 static ngx_int_t |
| 577 | 596 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 597 ngx_http_variable_value_t *v, uintptr_t data) | |
| 598 { | |
| 599 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 600 &r->headers_in.headers.part, | |
| 601 sizeof("http_") - 1); | |
| 602 } | |
| 603 | |
| 604 | |
| 605 static ngx_int_t | |
| 606 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 607 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 608 { |
| 577 | 609 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 610 &r->headers_out.headers.part, | |
| 611 sizeof("sent_http_") - 1); | |
| 612 } | |
| 501 | 613 |
| 577 | 614 |
| 615 static ngx_int_t | |
| 616 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, | |
| 617 ngx_list_part_t *part, size_t prefix) | |
| 618 { | |
| 573 | 619 u_char ch; |
| 620 ngx_uint_t i, n; | |
| 621 ngx_table_elt_t *header; | |
| 499 | 622 |
| 623 header = part->elts; | |
| 624 | |
| 625 for (i = 0; /* void */ ; i++) { | |
| 626 | |
| 627 if (i >= part->nelts) { | |
| 628 if (part->next == NULL) { | |
| 629 break; | |
| 630 } | |
| 631 | |
| 632 part = part->next; | |
| 633 header = part->elts; | |
| 634 i = 0; | |
| 635 } | |
| 636 | |
| 577 | 637 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 638 ch = header[i].key.data[n]; |
| 639 | |
| 509 | 640 if (ch >= 'A' && ch <= 'Z') { |
| 641 ch |= 0x20; | |
| 499 | 642 |
| 643 } else if (ch == '-') { | |
| 644 ch = '_'; | |
| 645 } | |
| 646 | |
| 577 | 647 if (var->data[n + prefix] != ch) { |
| 499 | 648 break; |
| 649 } | |
| 650 } | |
| 651 | |
|
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
Igor Sysoev <igor@sysoev.ru>
parents:
732
diff
changeset
|
652 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 653 v->len = header[i].value.len; |
| 654 v->valid = 1; | |
| 655 v->no_cachable = 0; | |
| 656 v->not_found = 0; | |
| 657 v->data = header[i].value.data; | |
| 499 | 658 |
| 573 | 659 return NGX_OK; |
| 499 | 660 } |
| 661 } | |
| 662 | |
| 573 | 663 v->not_found = 1; |
| 664 | |
| 665 return NGX_OK; | |
| 509 | 666 } |
| 667 | |
| 668 | |
| 573 | 669 static ngx_int_t |
| 670 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 671 uintptr_t data) | |
| 509 | 672 { |
| 864 | 673 if (r->host_start == NULL) { |
| 674 | |
| 675 if (r->headers_in.host) { | |
| 676 v->len = r->headers_in.host_name_len; | |
| 677 v->data = r->headers_in.host->value.data; | |
| 678 | |
| 679 } else { | |
| 680 v->len = r->server_name.len; | |
| 681 v->data = r->server_name.data; | |
| 682 } | |
| 509 | 683 |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
684 } else if (r->host_end) { |
| 864 | 685 v->len = r->host_end - r->host_start; |
| 686 v->data = r->host_start; | |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
687 |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
688 } else { |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
689 v->not_found = 1; |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
690 return NGX_OK; |
| 509 | 691 } |
| 692 | |
| 573 | 693 v->valid = 1; |
| 694 v->no_cachable = 0; | |
| 695 v->not_found = 0; | |
| 509 | 696 |
| 573 | 697 return NGX_OK; |
| 499 | 698 } |
| 699 | |
| 700 | |
| 573 | 701 static ngx_int_t |
| 702 ngx_http_variable_remote_addr(ngx_http_request_t *r, | |
| 703 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 704 { |
| 982 | 705 struct sockaddr_in *sin; |
| 706 | |
| 707 if (data == 0) { | |
| 708 v->len = r->connection->addr_text.len; | |
| 709 v->valid = 1; | |
| 710 v->no_cachable = 0; | |
| 711 v->not_found = 0; | |
| 712 v->data = r->connection->addr_text.data; | |
| 713 | |
| 714 } else { | |
| 715 | |
| 716 /* AF_INET only */ | |
| 717 | |
| 718 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 719 | |
| 720 v->len = sizeof(in_addr_t); | |
| 721 v->valid = 1; | |
| 722 v->no_cachable = 0; | |
| 723 v->not_found = 0; | |
| 724 v->data = (u_char *) &sin->sin_addr.s_addr; | |
| 725 } | |
| 499 | 726 |
| 573 | 727 return NGX_OK; |
| 499 | 728 } |
| 729 | |
| 730 | |
| 573 | 731 static ngx_int_t |
| 732 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 733 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 734 { |
| 573 | 735 ngx_uint_t port; |
| 736 struct sockaddr_in *sin; | |
| 509 | 737 |
| 573 | 738 v->len = 0; |
| 739 v->valid = 1; | |
| 740 v->no_cachable = 0; | |
| 741 v->not_found = 0; | |
| 509 | 742 |
| 573 | 743 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 744 if (v->data == NULL) { | |
| 745 return NGX_ERROR; | |
| 509 | 746 } |
| 747 | |
| 748 /* AF_INET only */ | |
| 577 | 749 |
| 509 | 750 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 751 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 752 |
| 509 | 753 port = ntohs(sin->sin_port); |
| 577 | 754 |
| 509 | 755 if (port > 0 && port < 65536) { |
| 573 | 756 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 757 } |
| 758 } | |
| 759 | |
| 573 | 760 return NGX_OK; |
| 509 | 761 } |
| 762 | |
| 763 | |
| 573 | 764 static ngx_int_t |
| 765 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 766 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 767 { |
| 573 | 768 socklen_t len; |
| 769 ngx_connection_t *c; | |
| 770 struct sockaddr_in sin; | |
| 499 | 771 |
| 573 | 772 v->data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 773 if (v->data == NULL) { | |
| 774 return NGX_ERROR; | |
| 509 | 775 } |
| 776 | |
| 777 c = r->connection; | |
| 778 | |
| 779 if (r->in_addr == 0) { | |
| 780 len = sizeof(struct sockaddr_in); | |
| 781 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
|
788
ff16489f1eac
downgrade gravity of getsockname() errors
Igor Sysoev <igor@sysoev.ru>
parents:
773
diff
changeset
|
782 ngx_connection_error(c, ngx_socket_errno, "getsockname() failed"); |
| 573 | 783 return NGX_ERROR; |
| 509 | 784 } |
| 785 | |
| 786 r->in_addr = sin.sin_addr.s_addr; | |
| 787 } | |
| 788 | |
| 573 | 789 v->len = ngx_inet_ntop(c->listening->family, &r->in_addr, |
| 790 v->data, INET_ADDRSTRLEN); | |
| 791 v->valid = 1; | |
| 792 v->no_cachable = 0; | |
| 793 v->not_found = 0; | |
| 499 | 794 |
| 573 | 795 return NGX_OK; |
| 499 | 796 } |
| 797 | |
| 798 | |
| 573 | 799 static ngx_int_t |
| 800 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 801 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 802 { |
| 573 | 803 v->len = r->port_text->len - 1; |
| 804 v->valid = 1; | |
| 805 v->no_cachable = 0; | |
| 806 v->not_found = 0; | |
| 807 v->data = r->port_text->data + 1; | |
| 509 | 808 |
| 573 | 809 return NGX_OK; |
| 509 | 810 } |
| 811 | |
| 812 | |
| 573 | 813 static ngx_int_t |
| 731 | 814 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 815 ngx_http_variable_value_t *v, uintptr_t data) | |
| 816 { | |
| 817 #if (NGX_HTTP_SSL) | |
| 818 | |
| 819 if (r->connection->ssl) { | |
| 820 v->len = sizeof("https") - 1; | |
| 821 v->valid = 1; | |
| 822 v->no_cachable = 0; | |
| 823 v->not_found = 0; | |
| 732 | 824 v->data = (u_char *) "https"; |
| 731 | 825 |
| 826 return NGX_OK; | |
| 827 } | |
| 828 | |
| 829 #endif | |
| 830 | |
| 831 v->len = sizeof("http") - 1; | |
| 832 v->valid = 1; | |
| 833 v->no_cachable = 0; | |
| 834 v->not_found = 0; | |
| 732 | 835 v->data = (u_char *) "http"; |
| 731 | 836 |
| 837 return NGX_OK; | |
| 838 } | |
| 839 | |
| 840 | |
| 841 static ngx_int_t | |
| 573 | 842 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 843 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 844 { |
| 671 | 845 ngx_str_t path; |
| 573 | 846 ngx_http_core_loc_conf_t *clcf; |
| 509 | 847 |
| 848 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 849 | |
| 671 | 850 if (clcf->root_lengths == NULL) { |
| 851 v->len = clcf->root.len; | |
| 852 v->valid = 1; | |
| 853 v->no_cachable = 0; | |
| 854 v->not_found = 0; | |
| 855 v->data = clcf->root.data; | |
| 856 | |
| 857 } else { | |
| 858 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 859 clcf->root_values->elts) | |
| 860 == NULL) | |
| 861 { | |
| 862 return NGX_ERROR; | |
| 863 } | |
| 864 | |
| 865 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path) == NGX_ERROR) { | |
| 866 return NGX_ERROR; | |
| 867 } | |
| 868 | |
| 869 v->len = path.len; | |
| 870 v->valid = 1; | |
| 871 v->no_cachable = 0; | |
| 872 v->not_found = 0; | |
| 873 v->data = path.data; | |
| 874 } | |
| 509 | 875 |
| 573 | 876 return NGX_OK; |
| 509 | 877 } |
| 878 | |
| 879 | |
| 573 | 880 static ngx_int_t |
| 881 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 882 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 883 { |
| 773 | 884 size_t root; |
| 573 | 885 ngx_str_t path; |
| 499 | 886 |
| 773 | 887 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 888 return NGX_ERROR; |
| 557 | 889 } |
| 509 | 890 |
| 557 | 891 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 892 |
| 573 | 893 v->len = path.len - 1; |
| 894 v->valid = 1; | |
| 895 v->no_cachable = 0; | |
| 896 v->not_found = 0; | |
| 897 v->data = path.data; | |
| 499 | 898 |
| 573 | 899 return NGX_OK; |
| 499 | 900 } |
| 901 | |
| 902 | |
| 573 | 903 static ngx_int_t |
| 904 ngx_http_variable_request_method(ngx_http_request_t *r, | |
| 905 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 906 { |
| 647 | 907 if (r->main->method_name.data) { |
| 908 v->len = r->main->method_name.len; | |
| 573 | 909 v->valid = 1; |
| 910 v->no_cachable = 0; | |
| 911 v->not_found = 0; | |
| 647 | 912 v->data = r->main->method_name.data; |
| 573 | 913 |
| 914 } else { | |
| 915 v->not_found = 1; | |
| 561 | 916 } |
| 917 | |
| 573 | 918 return NGX_OK; |
| 561 | 919 } |
| 920 | |
| 921 | |
| 573 | 922 static ngx_int_t |
| 923 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 924 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 925 { |
| 573 | 926 ngx_int_t rc; |
| 539 | 927 |
| 928 rc = ngx_http_auth_basic_user(r); | |
| 929 | |
| 930 if (rc == NGX_DECLINED) { | |
| 573 | 931 v->not_found = 1; |
| 932 return NGX_OK; | |
| 539 | 933 } |
| 934 | |
| 935 if (rc == NGX_ERROR) { | |
| 573 | 936 return NGX_ERROR; |
| 539 | 937 } |
| 938 | |
| 573 | 939 v->len = r->headers_in.user.len; |
| 940 v->valid = 1; | |
| 941 v->no_cachable = 0; | |
| 942 v->not_found = 0; | |
| 943 v->data = r->headers_in.user.data; | |
| 571 | 944 |
| 573 | 945 return NGX_OK; |
| 571 | 946 } |
| 947 | |
| 948 | |
| 611 | 949 static ngx_int_t |
| 950 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 951 ngx_http_variable_value_t *v, uintptr_t data) | |
| 952 { | |
| 953 off_t sent; | |
| 954 u_char *p; | |
| 955 | |
| 956 sent = r->connection->sent - r->header_size; | |
| 957 | |
| 958 if (sent < 0) { | |
| 959 sent = 0; | |
| 960 } | |
| 961 | |
| 962 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 963 if (p == NULL) { | |
| 964 return NGX_ERROR; | |
| 965 } | |
| 966 | |
| 967 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 968 v->valid = 1; | |
| 969 v->no_cachable = 0; | |
| 970 v->not_found = 0; | |
| 971 v->data = p; | |
| 972 | |
| 973 return NGX_OK; | |
| 974 } | |
| 975 | |
| 976 | |
| 629 | 977 static ngx_int_t |
| 641 | 978 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 979 ngx_http_variable_value_t *v, uintptr_t data) | |
| 980 { | |
| 981 if (r->headers_out.content_type.len) { | |
| 982 v->len = r->headers_out.content_type.len; | |
| 983 v->valid = 1; | |
| 984 v->no_cachable = 0; | |
| 985 v->not_found = 0; | |
| 986 v->data = r->headers_out.content_type.data; | |
| 987 | |
| 988 } else { | |
| 989 v->not_found = 1; | |
| 990 } | |
| 991 | |
| 992 return NGX_OK; | |
| 993 } | |
| 994 | |
| 995 | |
| 996 static ngx_int_t | |
| 997 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 998 ngx_http_variable_value_t *v, uintptr_t data) | |
| 999 { | |
| 1000 u_char *p; | |
| 1001 | |
| 1002 if (r->headers_out.content_length) { | |
| 1003 v->len = r->headers_out.content_length->value.len; | |
| 1004 v->valid = 1; | |
| 1005 v->no_cachable = 0; | |
| 1006 v->not_found = 0; | |
| 1007 v->data = r->headers_out.content_length->value.data; | |
| 1008 | |
| 1009 return NGX_OK; | |
| 1010 } | |
| 1011 | |
| 1012 if (r->headers_out.content_length_n >= 0) { | |
| 1013 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1014 if (p == NULL) { | |
| 1015 return NGX_ERROR; | |
| 1016 } | |
| 1017 | |
| 1018 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1019 v->valid = 1; | |
| 1020 v->no_cachable = 0; | |
| 1021 v->not_found = 0; | |
| 1022 v->data = p; | |
| 1023 | |
| 1024 return NGX_OK; | |
| 1025 } | |
| 1026 | |
| 1027 v->not_found = 1; | |
| 1028 | |
| 1029 return NGX_OK; | |
| 1030 } | |
| 1031 | |
| 1032 | |
| 1033 static ngx_int_t | |
| 1034 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1035 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1036 { | |
| 1037 u_char *p; | |
| 1038 | |
| 1039 if (r->headers_out.last_modified) { | |
| 1040 v->len = r->headers_out.last_modified->value.len; | |
| 1041 v->valid = 1; | |
| 1042 v->no_cachable = 0; | |
| 1043 v->not_found = 0; | |
| 1044 v->data = r->headers_out.last_modified->value.data; | |
| 1045 | |
| 1046 return NGX_OK; | |
| 1047 } | |
| 1048 | |
| 1049 if (r->headers_out.last_modified_time >= 0) { | |
| 1050 p = ngx_palloc(r->pool, | |
| 1051 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1052 if (p == NULL) { | |
| 1053 return NGX_ERROR; | |
| 1054 } | |
| 1055 | |
| 1056 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1057 v->valid = 1; | |
| 1058 v->no_cachable = 0; | |
| 1059 v->not_found = 0; | |
| 1060 v->data = p; | |
| 1061 | |
| 1062 return NGX_OK; | |
| 1063 } | |
| 1064 | |
| 1065 v->not_found = 1; | |
| 1066 | |
| 1067 return NGX_OK; | |
| 1068 } | |
| 1069 | |
| 1070 | |
| 1071 static ngx_int_t | |
| 1072 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1073 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1074 { | |
| 1075 size_t len; | |
| 1076 char *p; | |
| 1077 | |
| 1078 if (r->keepalive) { | |
| 1079 len = sizeof("keep-alive") - 1; | |
| 1080 p = "keep-alive"; | |
| 1081 | |
| 1082 } else { | |
| 1083 len = sizeof("close") - 1; | |
| 1084 p = "close"; | |
| 1085 } | |
| 1086 | |
| 1087 v->len = len; | |
| 1088 v->valid = 1; | |
| 1089 v->no_cachable = 0; | |
| 1090 v->not_found = 0; | |
| 1091 v->data = (u_char *) p; | |
| 1092 | |
| 1093 return NGX_OK; | |
| 1094 } | |
| 1095 | |
| 1096 | |
| 1097 static ngx_int_t | |
| 1098 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1099 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1100 { | |
| 1101 u_char *p; | |
| 1102 ngx_http_core_loc_conf_t *clcf; | |
| 1103 | |
| 1104 if (r->keepalive) { | |
| 1105 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1106 | |
| 1107 if (clcf->keepalive_header) { | |
| 1108 | |
| 1109 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1110 if (p == NULL) { | |
| 1111 return NGX_ERROR; | |
| 1112 } | |
| 1113 | |
| 1114 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1115 v->valid = 1; | |
| 1116 v->no_cachable = 0; | |
| 1117 v->not_found = 0; | |
| 1118 v->data = p; | |
| 1119 | |
| 1120 return NGX_OK; | |
| 1121 } | |
| 1122 } | |
| 1123 | |
| 1124 v->not_found = 1; | |
| 1125 | |
| 1126 return NGX_OK; | |
| 1127 } | |
| 1128 | |
| 1129 | |
| 1130 static ngx_int_t | |
| 1131 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1132 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1133 { | |
| 1134 if (r->chunked) { | |
| 1135 v->len = sizeof("chunked") - 1; | |
| 1136 v->valid = 1; | |
| 1137 v->no_cachable = 0; | |
| 1138 v->not_found = 0; | |
| 1139 v->data = (u_char *) "chunked"; | |
| 1140 | |
| 1141 } else { | |
| 1142 v->not_found = 1; | |
| 1143 } | |
| 1144 | |
| 1145 return NGX_OK; | |
| 1146 } | |
| 1147 | |
| 1148 | |
| 1149 static ngx_int_t | |
| 629 | 1150 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1151 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1152 { | |
| 1153 if (r->request_complete) { | |
| 1154 v->len = 2; | |
| 1155 v->valid = 1; | |
| 1156 v->no_cachable = 0; | |
| 1157 v->not_found = 0; | |
| 1158 v->data = (u_char *) "OK"; | |
| 1159 | |
| 1160 return NGX_OK; | |
| 1161 } | |
| 1162 | |
| 1163 v->len = 0; | |
| 1164 v->valid = 1; | |
| 1165 v->no_cachable = 0; | |
| 1166 v->not_found = 0; | |
| 1167 v->data = (u_char *) ""; | |
| 1168 | |
| 1169 return NGX_OK; | |
| 1170 } | |
| 1171 | |
| 1172 | |
| 759 | 1173 static ngx_int_t |
| 1174 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1175 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1176 { | |
| 1177 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
763
0b0f3d4854c0
variable should not be found if no request body file
Igor Sysoev <igor@sysoev.ru>
parents:
759
diff
changeset
|
1178 v->not_found = 1; |
| 759 | 1179 |
| 1180 return NGX_OK; | |
| 1181 } | |
| 1182 | |
| 1183 v->len = r->request_body->temp_file->file.name.len; | |
| 1184 v->valid = 1; | |
| 1185 v->no_cachable = 0; | |
| 1186 v->not_found = 0; | |
| 1187 v->data = r->request_body->temp_file->file.name.data; | |
| 1188 | |
| 1189 return NGX_OK; | |
| 1190 } | |
| 1191 | |
| 1192 | |
| 499 | 1193 ngx_int_t |
| 509 | 1194 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1195 { |
| 611 | 1196 ngx_int_t rc; |
| 1197 ngx_http_variable_t *v; | |
| 501 | 1198 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1199 |
| 509 | 1200 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1201 | |
| 611 | 1202 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1203 sizeof(ngx_hash_keys_arrays_t)); | |
| 1204 if (cmcf->variables_keys == NULL) { | |
| 1205 return NGX_ERROR; | |
| 1206 } | |
| 1207 | |
| 1208 cmcf->variables_keys->pool = cf->pool; | |
| 1209 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1210 | |
| 1211 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1212 != NGX_OK) | |
| 509 | 1213 { |
| 499 | 1214 return NGX_ERROR; |
| 1215 } | |
| 1216 | |
| 611 | 1217 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1218 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1219 NGX_HASH_READONLY_KEY); | |
| 1220 | |
| 1221 if (rc == NGX_OK) { | |
| 1222 continue; | |
| 499 | 1223 } |
| 1224 | |
| 611 | 1225 if (rc == NGX_BUSY) { |
| 1226 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1227 "conflicting variable name \"%V\"", &v->name); | |
| 1228 } | |
| 1229 | |
| 1230 return NGX_ERROR; | |
| 499 | 1231 } |
| 1232 | |
| 1233 return NGX_OK; | |
| 1234 } | |
| 509 | 1235 |
| 1236 | |
| 1237 ngx_int_t | |
| 1238 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1239 { | |
| 1240 ngx_uint_t i, n; | |
| 611 | 1241 ngx_hash_key_t *key; |
| 1242 ngx_hash_init_t hash; | |
| 509 | 1243 ngx_http_variable_t *v, *av; |
| 1244 ngx_http_core_main_conf_t *cmcf; | |
| 1245 | |
| 1246 /* set the handlers for the indexed http variables */ | |
| 1247 | |
| 1248 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1249 | |
| 1250 v = cmcf->variables.elts; | |
| 611 | 1251 key = cmcf->variables_keys->keys.elts; |
| 509 | 1252 |
| 1253 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1254 | |
| 611 | 1255 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1256 |
| 611 | 1257 if (v[i].name.len == key[n].key.len |
| 1258 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) | |
| 509 | 1259 == 0) |
| 1260 { | |
| 611 | 1261 av = key[n].value; |
| 1262 | |
| 637 | 1263 v[i].get_handler = av->get_handler; |
| 611 | 1264 v[i].data = av->data; |
| 527 | 1265 |
| 611 | 1266 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1267 v[i].flags = av->flags; | |
| 509 | 1268 |
| 611 | 1269 av->index = i; |
| 533 | 1270 |
| 509 | 1271 goto next; |
| 1272 } | |
| 1273 } | |
| 1274 | |
| 1275 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1276 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1277 v[i].data = (uintptr_t) &v[i].name; |
| 1278 | |
| 1279 continue; | |
| 1280 } | |
| 1281 | |
| 1282 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1283 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1284 v[i].data = (uintptr_t) &v[i].name; |
| 1285 | |
| 1286 continue; | |
| 1287 } | |
| 1288 | |
| 1289 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1290 "unknown \"%V\" variable", &v[i].name); | |
| 1291 | |
| 1292 return NGX_ERROR; | |
| 1293 | |
| 1294 next: | |
| 1295 continue; | |
| 1296 } | |
| 1297 | |
| 1298 | |
| 611 | 1299 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1300 av = key[n].value; | |
| 1301 | |
| 1302 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1303 key[n].key.data = NULL; | |
| 583 | 1304 } |
| 1305 } | |
| 1306 | |
| 1307 | |
| 611 | 1308 hash.hash = &cmcf->variables_hash; |
| 1309 hash.key = ngx_hash_key; | |
| 1310 hash.max_size = cmcf->variables_hash_max_size; | |
| 1311 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1312 hash.name = "variables_hash"; | |
| 1313 hash.pool = cf->pool; | |
| 1314 hash.temp_pool = NULL; | |
| 509 | 1315 |
| 611 | 1316 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1317 cmcf->variables_keys->keys.nelts) | |
| 581 | 1318 != NGX_OK) |
| 509 | 1319 { |
| 1320 return NGX_ERROR; | |
| 1321 } | |
| 1322 | |
| 611 | 1323 cmcf->variables_keys = NULL; |
| 509 | 1324 |
| 1325 return NGX_OK; | |
| 1326 } |