Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 1329:80e6f567574f
$nginx_version
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 22 Jul 2007 13:12:16 +0000 |
| parents | 33d6c994a0b2 |
| children | 8682f64fccb3 |
| 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> | |
| 1329 | 11 #include <nginx.h> |
| 499 | 12 |
| 13 | |
| 573 | 14 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 15 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 16 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 17 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 18 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 19 ngx_http_variable_value_t *v, uintptr_t data); | |
| 20 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 21 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 22 |
| 23 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 24 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 25 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 26 ngx_http_variable_value_t *v, uintptr_t data); | |
| 27 | |
| 573 | 28 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 29 ngx_http_variable_value_t *v, uintptr_t data); | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
30 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
31 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 32 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 33 ngx_http_variable_value_t *v, uintptr_t data); | |
| 34 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 35 ngx_http_variable_value_t *v, uintptr_t data); | |
| 36 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 37 ngx_http_variable_value_t *v, uintptr_t data); | |
| 38 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 39 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 40 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 41 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 42 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 43 ngx_http_variable_value_t *v, uintptr_t data); | |
| 44 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 45 ngx_http_variable_value_t *v, uintptr_t data); | |
| 46 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, | |
| 47 ngx_http_variable_value_t *v, uintptr_t data); | |
| 48 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 49 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 50 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 51 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 52 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 53 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 54 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 55 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 56 |
| 641 | 57 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 59 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 61 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 63 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 65 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 67 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 69 | |
| 1329 | 70 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 72 |
| 509 | 73 /* |
| 74 * TODO: | |
| 75 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 76 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 77 * SERVER_SOFTWARE | |
| 78 * | |
| 571 | 79 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 80 */ |
| 499 | 81 |
| 641 | 82 /* |
| 83 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 84 * and $http_x_forwarded_for variables may be handled by generic | |
| 85 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 86 * they are handled using dedicated entries | |
| 87 */ | |
| 88 | |
| 509 | 89 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 90 | |
| 637 | 91 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 92 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 93 |
| 637 | 94 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 95 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 96 |
| 637 | 97 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 98 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 99 |
| 100 #if (NGX_HTTP_GZIP) | |
| 637 | 101 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 102 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 103 #endif |
| 104 | |
|
1113
f1d7cf0f68e3
optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
|
105 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 106 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 107 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 108 #endif |
| 109 | |
| 637 | 110 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 111 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 112 |
| 637 | 113 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 114 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 115 |
| 637 | 116 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 118 |
| 637 | 119 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 120 |
| 982 | 121 { ngx_string("binary_remote_addr"), NULL, |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
122 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 123 |
| 637 | 124 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 125 |
| 637 | 126 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 127 |
| 637 | 128 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 129 |
| 637 | 130 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 131 |
| 637 | 132 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 133 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 134 |
| 731 | 135 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 136 | |
| 637 | 137 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 138 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 139 |
| 637 | 140 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 141 offsetof(ngx_http_request_t, uri), | |
| 142 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 143 | |
| 144 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 145 offsetof(ngx_http_request_t, uri), |
| 146 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 147 | |
| 637 | 148 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 149 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 150 | |
| 637 | 151 { ngx_string("document_root"), NULL, |
| 671 | 152 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 509 | 153 |
| 637 | 154 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 155 offsetof(ngx_http_request_t, args), |
| 533 | 156 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 499 | 157 |
| 637 | 158 { ngx_string("args"), NULL, ngx_http_variable_request, |
| 589 | 159 offsetof(ngx_http_request_t, args), |
| 160 NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 161 | |
| 637 | 162 { ngx_string("request_filename"), NULL, |
| 163 ngx_http_variable_request_filename, 0, | |
| 533 | 164 NGX_HTTP_VAR_NOCACHABLE, 0 }, |
| 509 | 165 |
| 637 | 166 { ngx_string("server_name"), NULL, ngx_http_variable_request, |
| 533 | 167 offsetof(ngx_http_request_t, server_name), 0, 0 }, |
| 509 | 168 |
| 637 | 169 { ngx_string("request_method"), NULL, |
| 170 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 171 |
| 637 | 172 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 173 |
| 637 | 174 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 175 0, 0, 0 }, |
| 176 | |
| 637 | 177 { ngx_string("request_completion"), NULL, |
| 178 ngx_http_variable_request_completion, | |
| 629 | 179 0, 0, 0 }, |
| 180 | |
| 759 | 181 { ngx_string("request_body_file"), NULL, |
| 182 ngx_http_variable_request_body_file, | |
| 183 0, 0, 0 }, | |
| 184 | |
| 641 | 185 { ngx_string("sent_http_content_type"), NULL, |
| 186 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 187 | |
| 188 { ngx_string("sent_http_content_length"), NULL, | |
| 189 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 190 | |
| 191 { ngx_string("sent_http_last_modified"), NULL, | |
| 192 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 193 | |
| 194 { ngx_string("sent_http_connection"), NULL, | |
| 195 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 196 | |
| 197 { ngx_string("sent_http_keep_alive"), NULL, | |
| 198 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 199 | |
| 200 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 201 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 202 | |
| 203 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 204 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 205 | |
| 637 | 206 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 207 ngx_http_variable_request, | |
| 208 offsetof(ngx_http_request_t, limit_rate), | |
| 209 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOCACHABLE, 0 }, | |
| 210 | |
| 1329 | 211 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 212 0, 0, 0 }, | |
| 213 | |
| 637 | 214 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 215 }; |
| 216 | |
| 217 | |
| 577 | 218 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 219 ngx_http_variable(""); | |
| 220 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 221 ngx_http_variable("1"); | |
| 222 | |
| 223 | |
| 499 | 224 ngx_http_variable_t * |
| 509 | 225 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 226 { | |
| 611 | 227 ngx_int_t rc; |
| 509 | 228 ngx_uint_t i; |
| 611 | 229 ngx_hash_key_t *key; |
| 509 | 230 ngx_http_variable_t *v; |
| 231 ngx_http_core_main_conf_t *cmcf; | |
| 232 | |
| 233 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 234 | |
| 611 | 235 key = cmcf->variables_keys->keys.elts; |
| 236 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 237 if (name->len != key[i].key.len | |
| 238 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 239 { |
| 240 continue; | |
| 241 } | |
| 242 | |
| 611 | 243 v = key[i].value; |
| 244 | |
| 245 if (!(v->flags & NGX_HTTP_VAR_CHANGABLE)) { | |
| 509 | 246 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 247 "the duplicate \"%V\" variable", name); | |
| 248 return NULL; | |
| 249 } | |
| 250 | |
| 611 | 251 return v; |
| 509 | 252 } |
| 253 | |
| 611 | 254 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 255 if (v == NULL) { |
| 256 return NULL; | |
| 257 } | |
| 258 | |
| 259 v->name.len = name->len; | |
| 260 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 261 if (v->name.data == NULL) { | |
| 262 return NULL; | |
| 263 } | |
| 264 | |
| 265 for (i = 0; i < name->len; i++) { | |
| 266 v->name.data[i] = ngx_tolower(name->data[i]); | |
| 267 } | |
| 268 | |
| 637 | 269 v->set_handler = NULL; |
| 270 v->get_handler = NULL; | |
| 509 | 271 v->data = 0; |
| 272 v->flags = flags; | |
| 533 | 273 v->index = 0; |
| 509 | 274 |
| 611 | 275 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 276 | |
| 277 if (rc == NGX_ERROR) { | |
| 278 return NULL; | |
| 279 } | |
| 280 | |
| 281 if (rc == NGX_BUSY) { | |
| 282 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 283 "conflicting variable name \"%V\"", name); | |
| 284 return NULL; | |
| 285 } | |
| 286 | |
| 509 | 287 return v; |
| 288 } | |
| 289 | |
| 290 | |
| 291 ngx_int_t | |
| 292 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 293 { |
| 501 | 294 ngx_uint_t i; |
| 295 ngx_http_variable_t *v; | |
| 499 | 296 ngx_http_core_main_conf_t *cmcf; |
| 297 | |
| 298 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 299 | |
| 501 | 300 v = cmcf->variables.elts; |
| 301 | |
| 302 if (v == NULL) { | |
| 499 | 303 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 304 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 305 { | |
| 509 | 306 return NGX_ERROR; |
| 499 | 307 } |
| 501 | 308 |
| 309 } else { | |
| 310 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 311 if (name->len != v[i].name.len | |
| 312 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 313 { | |
| 314 continue; | |
| 315 } | |
| 316 | |
| 509 | 317 return i; |
| 501 | 318 } |
| 499 | 319 } |
| 320 | |
| 501 | 321 v = ngx_array_push(&cmcf->variables); |
| 322 if (v == NULL) { | |
| 509 | 323 return NGX_ERROR; |
| 499 | 324 } |
| 325 | |
| 501 | 326 v->name.len = name->len; |
| 327 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 328 if (v->name.data == NULL) { | |
| 509 | 329 return NGX_ERROR; |
| 501 | 330 } |
| 499 | 331 |
| 501 | 332 for (i = 0; i < name->len; i++) { |
| 509 | 333 v->name.data[i] = ngx_tolower(name->data[i]); |
| 501 | 334 } |
| 335 | |
| 637 | 336 v->set_handler = NULL; |
| 337 v->get_handler = NULL; | |
| 501 | 338 v->data = 0; |
| 509 | 339 v->flags = 0; |
| 533 | 340 v->index = cmcf->variables.nelts - 1; |
| 501 | 341 |
| 509 | 342 return cmcf->variables.nelts - 1; |
| 499 | 343 } |
| 344 | |
| 345 | |
| 346 ngx_http_variable_value_t * | |
| 347 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 348 { | |
| 501 | 349 ngx_http_variable_t *v; |
| 499 | 350 ngx_http_core_main_conf_t *cmcf; |
| 351 | |
| 352 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 353 | |
| 553 | 354 if (cmcf->variables.nelts <= index) { |
| 499 | 355 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 356 "unknown variable index: %d", index); | |
| 357 return NULL; | |
| 358 } | |
| 359 | |
| 573 | 360 if (r->variables[index].not_found || r->variables[index].valid) { |
| 361 return &r->variables[index]; | |
| 501 | 362 } |
| 499 | 363 |
| 501 | 364 v = cmcf->variables.elts; |
| 499 | 365 |
| 637 | 366 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 367 == NGX_OK) | |
| 368 { | |
| 573 | 369 if (v[index].flags & NGX_HTTP_VAR_NOCACHABLE) { |
| 370 r->variables[index].no_cachable = 1; | |
| 499 | 371 } |
| 573 | 372 |
| 373 return &r->variables[index]; | |
| 499 | 374 } |
| 375 | |
| 657 | 376 r->variables[index].valid = 0; |
| 377 r->variables[index].not_found = 1; | |
| 378 | |
| 798 | 379 return NULL; |
| 573 | 380 } |
| 381 | |
| 382 | |
| 383 ngx_http_variable_value_t * | |
| 384 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 385 { | |
| 1150 | 386 ngx_http_variable_value_t *v; |
| 573 | 387 |
| 388 v = &r->variables[index]; | |
| 389 | |
| 390 if (v->valid) { | |
| 391 if (!v->no_cachable) { | |
| 392 return v; | |
| 393 } | |
| 394 | |
| 395 v->valid = 0; | |
| 396 v->not_found = 0; | |
| 509 | 397 } |
| 501 | 398 |
| 573 | 399 return ngx_http_get_indexed_variable(r, index); |
| 499 | 400 } |
| 401 | |
| 402 | |
| 403 ngx_http_variable_value_t * | |
| 635 | 404 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 405 ngx_uint_t nowarn) | |
| 499 | 406 { |
| 501 | 407 ngx_http_variable_t *v; |
| 573 | 408 ngx_http_variable_value_t *vv; |
| 499 | 409 ngx_http_core_main_conf_t *cmcf; |
| 410 | |
| 411 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 412 | |
| 611 | 413 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 414 |
| 611 | 415 if (v) { |
| 416 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 417 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 418 |
| 419 } else { | |
| 499 | 420 |
| 573 | 421 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 422 |
| 637 | 423 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 424 return vv; |
| 425 } | |
| 509 | 426 |
| 573 | 427 return NULL; |
| 428 } | |
| 509 | 429 } |
| 430 | |
| 431 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 432 if (vv == NULL) { | |
| 433 return NULL; | |
| 434 } | |
| 435 | |
| 573 | 436 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 437 |
| 577 | 438 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 439 == NGX_OK) | |
| 440 { | |
| 441 return vv; | |
| 442 } | |
| 443 | |
| 444 return NULL; | |
| 445 } | |
| 446 | |
| 447 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 448 | |
| 449 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 450 == NGX_OK) | |
| 573 | 451 { |
| 452 return vv; | |
| 453 } | |
| 499 | 454 |
| 455 return NULL; | |
| 456 } | |
| 457 | |
| 1162 | 458 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 459 | |
| 460 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 461 == NGX_OK) | |
| 462 { | |
| 463 return vv; | |
| 464 } | |
| 465 | |
| 466 return NULL; | |
| 467 } | |
| 468 | |
| 635 | 469 vv->not_found = 1; |
| 573 | 470 |
| 635 | 471 if (nowarn == 0) { |
| 472 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 473 "unknown \"%V\" variable", name); | |
| 474 } | |
| 499 | 475 |
| 501 | 476 return vv; |
| 499 | 477 } |
| 478 | |
| 479 | |
| 573 | 480 static ngx_int_t |
| 481 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 482 uintptr_t data) | |
| 483 { | |
| 484 ngx_str_t *s; | |
| 485 | |
| 486 s = (ngx_str_t *) ((char *) r + data); | |
| 487 | |
| 488 if (s->data) { | |
| 489 v->len = s->len; | |
| 490 v->valid = 1; | |
| 491 v->no_cachable = 0; | |
| 492 v->not_found = 0; | |
| 493 v->data = s->data; | |
| 494 | |
| 495 } else { | |
| 496 v->not_found = 1; | |
| 497 } | |
| 498 | |
| 499 return NGX_OK; | |
| 500 } | |
| 501 | |
| 502 | |
| 637 | 503 static void |
| 504 ngx_http_variable_request_set_size(ngx_http_request_t *r, | |
| 505 ngx_http_variable_value_t *v, uintptr_t data) | |
| 506 { | |
| 507 ssize_t s, *sp; | |
| 508 ngx_str_t val; | |
| 509 | |
|
1310
33d6c994a0b2
Sun Studio on sparc uses different bit order
Igor Sysoev <igor@sysoev.ru>
parents:
1191
diff
changeset
|
510 val.len = v->len; |
| 637 | 511 val.data = v->data; |
| 512 | |
| 513 s = ngx_parse_size(&val); | |
| 514 | |
| 515 if (s == NGX_ERROR) { | |
| 516 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 517 "invalid size \"%V\"", &val); | |
| 518 return; | |
| 519 } | |
| 520 | |
| 521 sp = (ssize_t *) ((char *) r + data); | |
| 522 | |
| 523 *sp = s; | |
| 524 | |
| 525 return; | |
| 526 } | |
| 527 | |
| 528 | |
| 573 | 529 static ngx_int_t |
| 530 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 531 uintptr_t data) | |
| 515 | 532 { |
| 573 | 533 ngx_table_elt_t *h; |
| 534 | |
| 535 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 536 | |
| 537 if (h) { | |
| 538 v->len = h->value.len; | |
| 539 v->valid = 1; | |
| 540 v->no_cachable = 0; | |
| 541 v->not_found = 0; | |
| 542 v->data = h->value.data; | |
| 543 | |
| 544 } else { | |
| 545 v->not_found = 1; | |
| 546 } | |
| 547 | |
| 548 return NGX_OK; | |
| 549 } | |
| 550 | |
| 551 | |
| 552 static ngx_int_t | |
| 553 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 554 uintptr_t data) | |
| 555 { | |
| 667 | 556 ssize_t len; |
| 573 | 557 u_char *p; |
| 667 | 558 ngx_uint_t i, n; |
| 573 | 559 ngx_array_t *a; |
| 560 ngx_table_elt_t **h; | |
| 515 | 561 |
| 562 a = (ngx_array_t *) ((char *) r + data); | |
| 563 | |
| 667 | 564 n = a->nelts; |
| 565 | |
| 566 if (n == 0) { | |
| 573 | 567 v->not_found = 1; |
| 568 return NGX_OK; | |
| 515 | 569 } |
| 570 | |
| 573 | 571 v->valid = 1; |
| 572 v->no_cachable = 0; | |
| 573 v->not_found = 0; | |
| 515 | 574 |
| 575 h = a->elts; | |
| 576 | |
| 667 | 577 if (n == 1) { |
| 573 | 578 v->len = (*h)->value.len; |
| 579 v->data = (*h)->value.data; | |
| 515 | 580 |
| 573 | 581 return NGX_OK; |
| 515 | 582 } |
| 583 | |
| 667 | 584 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 585 |
| 667 | 586 for (i = 0; i < n; i++) { |
| 573 | 587 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 588 } |
| 589 | |
| 573 | 590 p = ngx_palloc(r->pool, len); |
| 591 if (p == NULL) { | |
| 592 return NGX_ERROR; | |
| 593 } | |
| 594 | |
| 595 v->len = len; | |
| 596 v->data = p; | |
| 515 | 597 |
| 598 for (i = 0; /* void */ ; i++) { | |
| 573 | 599 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 600 |
| 667 | 601 if (i == n - 1) { |
| 515 | 602 break; |
| 603 } | |
| 604 | |
| 605 *p++ = ';'; *p++ = ' '; | |
| 606 } | |
| 607 | |
| 573 | 608 return NGX_OK; |
| 515 | 609 } |
| 610 | |
| 611 | |
| 573 | 612 static ngx_int_t |
| 577 | 613 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 614 ngx_http_variable_value_t *v, uintptr_t data) | |
| 615 { | |
| 616 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 617 &r->headers_in.headers.part, | |
| 618 sizeof("http_") - 1); | |
| 619 } | |
| 620 | |
| 621 | |
| 622 static ngx_int_t | |
| 623 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 624 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 625 { |
| 577 | 626 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 627 &r->headers_out.headers.part, | |
| 628 sizeof("sent_http_") - 1); | |
| 629 } | |
| 501 | 630 |
| 577 | 631 |
| 1162 | 632 ngx_int_t |
| 577 | 633 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 634 ngx_list_part_t *part, size_t prefix) | |
| 635 { | |
| 573 | 636 u_char ch; |
| 637 ngx_uint_t i, n; | |
| 638 ngx_table_elt_t *header; | |
| 499 | 639 |
| 640 header = part->elts; | |
| 641 | |
| 642 for (i = 0; /* void */ ; i++) { | |
| 643 | |
| 644 if (i >= part->nelts) { | |
| 645 if (part->next == NULL) { | |
| 646 break; | |
| 647 } | |
| 648 | |
| 649 part = part->next; | |
| 650 header = part->elts; | |
| 651 i = 0; | |
| 652 } | |
| 653 | |
| 577 | 654 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 655 ch = header[i].key.data[n]; |
| 656 | |
| 509 | 657 if (ch >= 'A' && ch <= 'Z') { |
| 658 ch |= 0x20; | |
| 499 | 659 |
| 660 } else if (ch == '-') { | |
| 661 ch = '_'; | |
| 662 } | |
| 663 | |
| 577 | 664 if (var->data[n + prefix] != ch) { |
| 499 | 665 break; |
| 666 } | |
| 667 } | |
| 668 | |
|
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
Igor Sysoev <igor@sysoev.ru>
parents:
732
diff
changeset
|
669 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 670 v->len = header[i].value.len; |
| 671 v->valid = 1; | |
| 672 v->no_cachable = 0; | |
| 673 v->not_found = 0; | |
| 674 v->data = header[i].value.data; | |
| 499 | 675 |
| 573 | 676 return NGX_OK; |
| 499 | 677 } |
| 678 } | |
| 679 | |
| 573 | 680 v->not_found = 1; |
| 681 | |
| 682 return NGX_OK; | |
| 509 | 683 } |
| 684 | |
| 685 | |
| 573 | 686 static ngx_int_t |
| 687 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 688 uintptr_t data) | |
| 509 | 689 { |
| 864 | 690 if (r->host_start == NULL) { |
| 691 | |
| 692 if (r->headers_in.host) { | |
| 693 v->len = r->headers_in.host_name_len; | |
| 694 v->data = r->headers_in.host->value.data; | |
| 695 | |
| 696 } else { | |
| 697 v->len = r->server_name.len; | |
| 698 v->data = r->server_name.data; | |
| 699 } | |
| 509 | 700 |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
701 } else if (r->host_end) { |
| 864 | 702 v->len = r->host_end - r->host_start; |
| 703 v->data = r->host_start; | |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
704 |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
705 } else { |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
706 v->not_found = 1; |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
707 return NGX_OK; |
| 509 | 708 } |
| 709 | |
| 573 | 710 v->valid = 1; |
| 711 v->no_cachable = 0; | |
| 712 v->not_found = 0; | |
| 509 | 713 |
| 573 | 714 return NGX_OK; |
| 499 | 715 } |
| 716 | |
| 717 | |
| 573 | 718 static ngx_int_t |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
719 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 720 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 721 { |
| 982 | 722 struct sockaddr_in *sin; |
| 723 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
724 /* AF_INET only */ |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
725 |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
726 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 727 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
728 v->len = sizeof(in_addr_t); |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
729 v->valid = 1; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
730 v->no_cachable = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
731 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
732 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 733 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
734 return NGX_OK; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
735 } |
| 982 | 736 |
| 737 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
738 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
739 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
740 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
741 { |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
742 v->len = r->connection->addr_text.len; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
743 v->valid = 1; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
744 v->no_cachable = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
745 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
746 v->data = r->connection->addr_text.data; |
| 499 | 747 |
| 573 | 748 return NGX_OK; |
| 499 | 749 } |
| 750 | |
| 751 | |
| 573 | 752 static ngx_int_t |
| 753 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 754 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 755 { |
| 573 | 756 ngx_uint_t port; |
| 757 struct sockaddr_in *sin; | |
| 509 | 758 |
| 573 | 759 v->len = 0; |
| 760 v->valid = 1; | |
| 761 v->no_cachable = 0; | |
| 762 v->not_found = 0; | |
| 509 | 763 |
| 573 | 764 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 765 if (v->data == NULL) { | |
| 766 return NGX_ERROR; | |
| 509 | 767 } |
| 768 | |
| 769 /* AF_INET only */ | |
| 577 | 770 |
| 509 | 771 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 772 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 773 |
| 509 | 774 port = ntohs(sin->sin_port); |
| 577 | 775 |
| 509 | 776 if (port > 0 && port < 65536) { |
| 573 | 777 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 778 } |
| 779 } | |
| 780 | |
| 573 | 781 return NGX_OK; |
| 509 | 782 } |
| 783 | |
| 784 | |
| 573 | 785 static ngx_int_t |
| 786 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 787 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 788 { |
| 573 | 789 socklen_t len; |
| 790 ngx_connection_t *c; | |
| 791 struct sockaddr_in sin; | |
| 499 | 792 |
| 573 | 793 v->data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 794 if (v->data == NULL) { | |
| 795 return NGX_ERROR; | |
| 509 | 796 } |
| 797 | |
| 798 c = r->connection; | |
| 799 | |
| 800 if (r->in_addr == 0) { | |
| 801 len = sizeof(struct sockaddr_in); | |
| 802 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
|
803 ngx_connection_error(c, ngx_socket_errno, "getsockname() failed"); |
| 573 | 804 return NGX_ERROR; |
| 509 | 805 } |
| 806 | |
| 807 r->in_addr = sin.sin_addr.s_addr; | |
| 808 } | |
| 809 | |
| 573 | 810 v->len = ngx_inet_ntop(c->listening->family, &r->in_addr, |
| 811 v->data, INET_ADDRSTRLEN); | |
| 812 v->valid = 1; | |
| 813 v->no_cachable = 0; | |
| 814 v->not_found = 0; | |
| 499 | 815 |
| 573 | 816 return NGX_OK; |
| 499 | 817 } |
| 818 | |
| 819 | |
| 573 | 820 static ngx_int_t |
| 821 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 822 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 823 { |
| 573 | 824 v->len = r->port_text->len - 1; |
| 825 v->valid = 1; | |
| 826 v->no_cachable = 0; | |
| 827 v->not_found = 0; | |
| 828 v->data = r->port_text->data + 1; | |
| 509 | 829 |
| 573 | 830 return NGX_OK; |
| 509 | 831 } |
| 832 | |
| 833 | |
| 573 | 834 static ngx_int_t |
| 731 | 835 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 836 ngx_http_variable_value_t *v, uintptr_t data) | |
| 837 { | |
| 838 #if (NGX_HTTP_SSL) | |
| 839 | |
| 840 if (r->connection->ssl) { | |
| 841 v->len = sizeof("https") - 1; | |
| 842 v->valid = 1; | |
| 843 v->no_cachable = 0; | |
| 844 v->not_found = 0; | |
| 732 | 845 v->data = (u_char *) "https"; |
| 731 | 846 |
| 847 return NGX_OK; | |
| 848 } | |
| 849 | |
| 850 #endif | |
| 851 | |
| 852 v->len = sizeof("http") - 1; | |
| 853 v->valid = 1; | |
| 854 v->no_cachable = 0; | |
| 855 v->not_found = 0; | |
| 732 | 856 v->data = (u_char *) "http"; |
| 731 | 857 |
| 858 return NGX_OK; | |
| 859 } | |
| 860 | |
| 861 | |
| 862 static ngx_int_t | |
| 573 | 863 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 864 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 865 { |
| 671 | 866 ngx_str_t path; |
| 573 | 867 ngx_http_core_loc_conf_t *clcf; |
| 509 | 868 |
| 869 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 870 | |
| 671 | 871 if (clcf->root_lengths == NULL) { |
| 872 v->len = clcf->root.len; | |
| 873 v->valid = 1; | |
| 874 v->no_cachable = 0; | |
| 875 v->not_found = 0; | |
| 876 v->data = clcf->root.data; | |
| 877 | |
| 878 } else { | |
| 879 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 880 clcf->root_values->elts) | |
| 881 == NULL) | |
| 882 { | |
| 883 return NGX_ERROR; | |
| 884 } | |
| 885 | |
| 886 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path) == NGX_ERROR) { | |
| 887 return NGX_ERROR; | |
| 888 } | |
| 889 | |
| 890 v->len = path.len; | |
| 891 v->valid = 1; | |
| 892 v->no_cachable = 0; | |
| 893 v->not_found = 0; | |
| 894 v->data = path.data; | |
| 895 } | |
| 509 | 896 |
| 573 | 897 return NGX_OK; |
| 509 | 898 } |
| 899 | |
| 900 | |
| 573 | 901 static ngx_int_t |
| 902 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 903 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 904 { |
| 773 | 905 size_t root; |
| 573 | 906 ngx_str_t path; |
| 499 | 907 |
| 773 | 908 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 909 return NGX_ERROR; |
| 557 | 910 } |
| 509 | 911 |
| 557 | 912 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 913 |
| 573 | 914 v->len = path.len - 1; |
| 915 v->valid = 1; | |
| 916 v->no_cachable = 0; | |
| 917 v->not_found = 0; | |
| 918 v->data = path.data; | |
| 499 | 919 |
| 573 | 920 return NGX_OK; |
| 499 | 921 } |
| 922 | |
| 923 | |
| 573 | 924 static ngx_int_t |
| 925 ngx_http_variable_request_method(ngx_http_request_t *r, | |
| 926 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 927 { |
| 647 | 928 if (r->main->method_name.data) { |
| 929 v->len = r->main->method_name.len; | |
| 573 | 930 v->valid = 1; |
| 931 v->no_cachable = 0; | |
| 932 v->not_found = 0; | |
| 647 | 933 v->data = r->main->method_name.data; |
| 573 | 934 |
| 935 } else { | |
| 936 v->not_found = 1; | |
| 561 | 937 } |
| 938 | |
| 573 | 939 return NGX_OK; |
| 561 | 940 } |
| 941 | |
| 942 | |
| 573 | 943 static ngx_int_t |
| 944 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 945 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 946 { |
| 573 | 947 ngx_int_t rc; |
| 539 | 948 |
| 949 rc = ngx_http_auth_basic_user(r); | |
| 950 | |
| 951 if (rc == NGX_DECLINED) { | |
| 573 | 952 v->not_found = 1; |
| 953 return NGX_OK; | |
| 539 | 954 } |
| 955 | |
| 956 if (rc == NGX_ERROR) { | |
| 573 | 957 return NGX_ERROR; |
| 539 | 958 } |
| 959 | |
| 573 | 960 v->len = r->headers_in.user.len; |
| 961 v->valid = 1; | |
| 962 v->no_cachable = 0; | |
| 963 v->not_found = 0; | |
| 964 v->data = r->headers_in.user.data; | |
| 571 | 965 |
| 573 | 966 return NGX_OK; |
| 571 | 967 } |
| 968 | |
| 969 | |
| 611 | 970 static ngx_int_t |
| 971 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 972 ngx_http_variable_value_t *v, uintptr_t data) | |
| 973 { | |
| 974 off_t sent; | |
| 975 u_char *p; | |
| 976 | |
| 977 sent = r->connection->sent - r->header_size; | |
| 978 | |
| 979 if (sent < 0) { | |
| 980 sent = 0; | |
| 981 } | |
| 982 | |
| 983 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 984 if (p == NULL) { | |
| 985 return NGX_ERROR; | |
| 986 } | |
| 987 | |
| 988 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 989 v->valid = 1; | |
| 990 v->no_cachable = 0; | |
| 991 v->not_found = 0; | |
| 992 v->data = p; | |
| 993 | |
| 994 return NGX_OK; | |
| 995 } | |
| 996 | |
| 997 | |
| 629 | 998 static ngx_int_t |
| 641 | 999 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1000 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1001 { | |
| 1002 if (r->headers_out.content_type.len) { | |
| 1003 v->len = r->headers_out.content_type.len; | |
| 1004 v->valid = 1; | |
| 1005 v->no_cachable = 0; | |
| 1006 v->not_found = 0; | |
| 1007 v->data = r->headers_out.content_type.data; | |
| 1008 | |
| 1009 } else { | |
| 1010 v->not_found = 1; | |
| 1011 } | |
| 1012 | |
| 1013 return NGX_OK; | |
| 1014 } | |
| 1015 | |
| 1016 | |
| 1017 static ngx_int_t | |
| 1018 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1019 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1020 { | |
| 1021 u_char *p; | |
| 1022 | |
| 1023 if (r->headers_out.content_length) { | |
| 1024 v->len = r->headers_out.content_length->value.len; | |
| 1025 v->valid = 1; | |
| 1026 v->no_cachable = 0; | |
| 1027 v->not_found = 0; | |
| 1028 v->data = r->headers_out.content_length->value.data; | |
| 1029 | |
| 1030 return NGX_OK; | |
| 1031 } | |
| 1032 | |
| 1033 if (r->headers_out.content_length_n >= 0) { | |
| 1034 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1035 if (p == NULL) { | |
| 1036 return NGX_ERROR; | |
| 1037 } | |
| 1038 | |
| 1039 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1040 v->valid = 1; | |
| 1041 v->no_cachable = 0; | |
| 1042 v->not_found = 0; | |
| 1043 v->data = p; | |
| 1044 | |
| 1045 return NGX_OK; | |
| 1046 } | |
| 1047 | |
| 1048 v->not_found = 1; | |
| 1049 | |
| 1050 return NGX_OK; | |
| 1051 } | |
| 1052 | |
| 1053 | |
| 1054 static ngx_int_t | |
| 1055 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1056 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1057 { | |
| 1058 u_char *p; | |
| 1059 | |
| 1060 if (r->headers_out.last_modified) { | |
| 1061 v->len = r->headers_out.last_modified->value.len; | |
| 1062 v->valid = 1; | |
| 1063 v->no_cachable = 0; | |
| 1064 v->not_found = 0; | |
| 1065 v->data = r->headers_out.last_modified->value.data; | |
| 1066 | |
| 1067 return NGX_OK; | |
| 1068 } | |
| 1069 | |
| 1070 if (r->headers_out.last_modified_time >= 0) { | |
| 1071 p = ngx_palloc(r->pool, | |
| 1072 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1073 if (p == NULL) { | |
| 1074 return NGX_ERROR; | |
| 1075 } | |
| 1076 | |
| 1077 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1078 v->valid = 1; | |
| 1079 v->no_cachable = 0; | |
| 1080 v->not_found = 0; | |
| 1081 v->data = p; | |
| 1082 | |
| 1083 return NGX_OK; | |
| 1084 } | |
| 1085 | |
| 1086 v->not_found = 1; | |
| 1087 | |
| 1088 return NGX_OK; | |
| 1089 } | |
| 1090 | |
| 1091 | |
| 1092 static ngx_int_t | |
| 1093 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1094 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1095 { | |
| 1096 size_t len; | |
| 1097 char *p; | |
| 1098 | |
| 1099 if (r->keepalive) { | |
| 1100 len = sizeof("keep-alive") - 1; | |
| 1101 p = "keep-alive"; | |
| 1102 | |
| 1103 } else { | |
| 1104 len = sizeof("close") - 1; | |
| 1105 p = "close"; | |
| 1106 } | |
| 1107 | |
| 1108 v->len = len; | |
| 1109 v->valid = 1; | |
| 1110 v->no_cachable = 0; | |
| 1111 v->not_found = 0; | |
| 1112 v->data = (u_char *) p; | |
| 1113 | |
| 1114 return NGX_OK; | |
| 1115 } | |
| 1116 | |
| 1117 | |
| 1118 static ngx_int_t | |
| 1119 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1120 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1121 { | |
| 1122 u_char *p; | |
| 1123 ngx_http_core_loc_conf_t *clcf; | |
| 1124 | |
| 1125 if (r->keepalive) { | |
| 1126 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1127 | |
| 1128 if (clcf->keepalive_header) { | |
| 1129 | |
| 1130 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1131 if (p == NULL) { | |
| 1132 return NGX_ERROR; | |
| 1133 } | |
| 1134 | |
| 1135 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1136 v->valid = 1; | |
| 1137 v->no_cachable = 0; | |
| 1138 v->not_found = 0; | |
| 1139 v->data = p; | |
| 1140 | |
| 1141 return NGX_OK; | |
| 1142 } | |
| 1143 } | |
| 1144 | |
| 1145 v->not_found = 1; | |
| 1146 | |
| 1147 return NGX_OK; | |
| 1148 } | |
| 1149 | |
| 1150 | |
| 1151 static ngx_int_t | |
| 1152 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1153 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1154 { | |
| 1155 if (r->chunked) { | |
| 1156 v->len = sizeof("chunked") - 1; | |
| 1157 v->valid = 1; | |
| 1158 v->no_cachable = 0; | |
| 1159 v->not_found = 0; | |
| 1160 v->data = (u_char *) "chunked"; | |
| 1161 | |
| 1162 } else { | |
| 1163 v->not_found = 1; | |
| 1164 } | |
| 1165 | |
| 1166 return NGX_OK; | |
| 1167 } | |
| 1168 | |
| 1169 | |
| 1170 static ngx_int_t | |
| 629 | 1171 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1172 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1173 { | |
| 1174 if (r->request_complete) { | |
| 1175 v->len = 2; | |
| 1176 v->valid = 1; | |
| 1177 v->no_cachable = 0; | |
| 1178 v->not_found = 0; | |
| 1179 v->data = (u_char *) "OK"; | |
| 1180 | |
| 1181 return NGX_OK; | |
| 1182 } | |
| 1183 | |
| 1184 v->len = 0; | |
| 1185 v->valid = 1; | |
| 1186 v->no_cachable = 0; | |
| 1187 v->not_found = 0; | |
| 1188 v->data = (u_char *) ""; | |
| 1189 | |
| 1190 return NGX_OK; | |
| 1191 } | |
| 1192 | |
| 1193 | |
| 759 | 1194 static ngx_int_t |
| 1195 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1196 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1197 { | |
| 1198 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
|
1199 v->not_found = 1; |
| 759 | 1200 |
| 1201 return NGX_OK; | |
| 1202 } | |
| 1203 | |
| 1204 v->len = r->request_body->temp_file->file.name.len; | |
| 1205 v->valid = 1; | |
| 1206 v->no_cachable = 0; | |
| 1207 v->not_found = 0; | |
| 1208 v->data = r->request_body->temp_file->file.name.data; | |
| 1209 | |
| 1210 return NGX_OK; | |
| 1211 } | |
| 1212 | |
| 1213 | |
| 1329 | 1214 static ngx_int_t |
| 1215 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1216 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1217 { | |
| 1218 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1219 v->valid = 1; | |
| 1220 v->no_cachable = 0; | |
| 1221 v->not_found = 0; | |
| 1222 v->data = (u_char *) NGINX_VERSION; | |
| 1223 | |
| 1224 return NGX_OK; | |
| 1225 } | |
| 1226 | |
| 1227 | |
| 499 | 1228 ngx_int_t |
| 509 | 1229 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1230 { |
| 611 | 1231 ngx_int_t rc; |
| 1232 ngx_http_variable_t *v; | |
| 501 | 1233 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1234 |
| 509 | 1235 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1236 | |
| 611 | 1237 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1238 sizeof(ngx_hash_keys_arrays_t)); | |
| 1239 if (cmcf->variables_keys == NULL) { | |
| 1240 return NGX_ERROR; | |
| 1241 } | |
| 1242 | |
| 1243 cmcf->variables_keys->pool = cf->pool; | |
| 1244 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1245 | |
| 1246 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1247 != NGX_OK) | |
| 509 | 1248 { |
| 499 | 1249 return NGX_ERROR; |
| 1250 } | |
| 1251 | |
| 611 | 1252 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1253 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1254 NGX_HASH_READONLY_KEY); | |
| 1255 | |
| 1256 if (rc == NGX_OK) { | |
| 1257 continue; | |
| 499 | 1258 } |
| 1259 | |
| 611 | 1260 if (rc == NGX_BUSY) { |
| 1261 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1262 "conflicting variable name \"%V\"", &v->name); | |
| 1263 } | |
| 1264 | |
| 1265 return NGX_ERROR; | |
| 499 | 1266 } |
| 1267 | |
| 1268 return NGX_OK; | |
| 1269 } | |
| 509 | 1270 |
| 1271 | |
| 1272 ngx_int_t | |
| 1273 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1274 { | |
| 1275 ngx_uint_t i, n; | |
| 611 | 1276 ngx_hash_key_t *key; |
| 1277 ngx_hash_init_t hash; | |
| 509 | 1278 ngx_http_variable_t *v, *av; |
| 1279 ngx_http_core_main_conf_t *cmcf; | |
| 1280 | |
| 1281 /* set the handlers for the indexed http variables */ | |
| 1282 | |
| 1283 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1284 | |
| 1285 v = cmcf->variables.elts; | |
| 611 | 1286 key = cmcf->variables_keys->keys.elts; |
| 509 | 1287 |
| 1288 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1289 | |
| 611 | 1290 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1291 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1292 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1293 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1294 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1295 && v[i].name.len == key[n].key.len |
| 611 | 1296 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1297 == 0) |
| 1298 { | |
| 637 | 1299 v[i].get_handler = av->get_handler; |
| 611 | 1300 v[i].data = av->data; |
| 527 | 1301 |
| 611 | 1302 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1303 v[i].flags = av->flags; | |
| 509 | 1304 |
| 611 | 1305 av->index = i; |
| 533 | 1306 |
| 509 | 1307 goto next; |
| 1308 } | |
| 1309 } | |
| 1310 | |
| 1311 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1312 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1313 v[i].data = (uintptr_t) &v[i].name; |
| 1314 | |
| 1315 continue; | |
| 1316 } | |
| 1317 | |
| 1318 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1319 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1320 v[i].data = (uintptr_t) &v[i].name; |
| 1321 | |
| 1322 continue; | |
| 1323 } | |
| 1324 | |
| 1162 | 1325 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1326 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1327 v[i].data = (uintptr_t) &v[i].name; | |
|
1173
2a0b86713cc6
$upstream_http_... should be uncacheable
Igor Sysoev <igor@sysoev.ru>
parents:
1162
diff
changeset
|
1328 v[i].flags = NGX_HTTP_VAR_NOCACHABLE; |
| 1162 | 1329 |
| 1330 continue; | |
| 1331 } | |
| 1332 | |
| 509 | 1333 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1334 "unknown \"%V\" variable", &v[i].name); | |
| 1335 | |
| 1336 return NGX_ERROR; | |
| 1337 | |
| 1338 next: | |
| 1339 continue; | |
| 1340 } | |
| 1341 | |
| 1342 | |
| 611 | 1343 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1344 av = key[n].value; | |
| 1345 | |
| 1346 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1347 key[n].key.data = NULL; | |
| 583 | 1348 } |
| 1349 } | |
| 1350 | |
| 1351 | |
| 611 | 1352 hash.hash = &cmcf->variables_hash; |
| 1353 hash.key = ngx_hash_key; | |
| 1354 hash.max_size = cmcf->variables_hash_max_size; | |
| 1355 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1356 hash.name = "variables_hash"; | |
| 1357 hash.pool = cf->pool; | |
| 1358 hash.temp_pool = NULL; | |
| 509 | 1359 |
| 611 | 1360 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1361 cmcf->variables_keys->keys.nelts) | |
| 581 | 1362 != NGX_OK) |
| 509 | 1363 { |
| 1364 return NGX_ERROR; | |
| 1365 } | |
| 1366 | |
| 611 | 1367 cmcf->variables_keys = NULL; |
| 509 | 1368 |
| 1369 return NGX_OK; | |
| 1370 } |