Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 1173:2a0b86713cc6
$upstream_http_... should be uncacheable
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 19 Apr 2007 17:55:19 +0000 |
| parents | f59d15404269 |
| children | 0eb2dc4fdea8 |
| 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 | |
| 573 | 27 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 28 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
|
29 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
|
30 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 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 | |
|
1113
f1d7cf0f68e3
optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
|
102 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 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, |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
119 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 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 { | |
| 1150 | 380 ngx_http_variable_value_t *v; |
| 573 | 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 | |
| 1162 | 452 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 453 | |
| 454 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 455 == NGX_OK) | |
| 456 { | |
| 457 return vv; | |
| 458 } | |
| 459 | |
| 460 return NULL; | |
| 461 } | |
| 462 | |
| 635 | 463 vv->not_found = 1; |
| 573 | 464 |
| 635 | 465 if (nowarn == 0) { |
| 466 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 467 "unknown \"%V\" variable", name); | |
| 468 } | |
| 499 | 469 |
| 501 | 470 return vv; |
| 499 | 471 } |
| 472 | |
| 473 | |
| 573 | 474 static ngx_int_t |
| 475 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 476 uintptr_t data) | |
| 477 { | |
| 478 ngx_str_t *s; | |
| 479 | |
| 480 s = (ngx_str_t *) ((char *) r + data); | |
| 481 | |
| 482 if (s->data) { | |
| 483 v->len = s->len; | |
| 484 v->valid = 1; | |
| 485 v->no_cachable = 0; | |
| 486 v->not_found = 0; | |
| 487 v->data = s->data; | |
| 488 | |
| 489 } else { | |
| 490 v->not_found = 1; | |
| 491 } | |
| 492 | |
| 493 return NGX_OK; | |
| 494 } | |
| 495 | |
| 496 | |
| 637 | 497 static void |
| 498 ngx_http_variable_request_set_size(ngx_http_request_t *r, | |
| 499 ngx_http_variable_value_t *v, uintptr_t data) | |
| 500 { | |
| 501 ssize_t s, *sp; | |
| 502 ngx_str_t val; | |
| 503 | |
| 504 val.len = v->len & 0xffff; | |
| 505 val.data = v->data; | |
| 506 | |
| 507 s = ngx_parse_size(&val); | |
| 508 | |
| 509 if (s == NGX_ERROR) { | |
| 510 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 511 "invalid size \"%V\"", &val); | |
| 512 return; | |
| 513 } | |
| 514 | |
| 515 sp = (ssize_t *) ((char *) r + data); | |
| 516 | |
| 517 *sp = s; | |
| 518 | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 | |
| 573 | 523 static ngx_int_t |
| 524 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 525 uintptr_t data) | |
| 515 | 526 { |
| 573 | 527 ngx_table_elt_t *h; |
| 528 | |
| 529 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 530 | |
| 531 if (h) { | |
| 532 v->len = h->value.len; | |
| 533 v->valid = 1; | |
| 534 v->no_cachable = 0; | |
| 535 v->not_found = 0; | |
| 536 v->data = h->value.data; | |
| 537 | |
| 538 } else { | |
| 539 v->not_found = 1; | |
| 540 } | |
| 541 | |
| 542 return NGX_OK; | |
| 543 } | |
| 544 | |
| 545 | |
| 546 static ngx_int_t | |
| 547 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 548 uintptr_t data) | |
| 549 { | |
| 667 | 550 ssize_t len; |
| 573 | 551 u_char *p; |
| 667 | 552 ngx_uint_t i, n; |
| 573 | 553 ngx_array_t *a; |
| 554 ngx_table_elt_t **h; | |
| 515 | 555 |
| 556 a = (ngx_array_t *) ((char *) r + data); | |
| 557 | |
| 667 | 558 n = a->nelts; |
| 559 | |
| 560 if (n == 0) { | |
| 573 | 561 v->not_found = 1; |
| 562 return NGX_OK; | |
| 515 | 563 } |
| 564 | |
| 573 | 565 v->valid = 1; |
| 566 v->no_cachable = 0; | |
| 567 v->not_found = 0; | |
| 515 | 568 |
| 569 h = a->elts; | |
| 570 | |
| 667 | 571 if (n == 1) { |
| 573 | 572 v->len = (*h)->value.len; |
| 573 v->data = (*h)->value.data; | |
| 515 | 574 |
| 573 | 575 return NGX_OK; |
| 515 | 576 } |
| 577 | |
| 667 | 578 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 579 |
| 667 | 580 for (i = 0; i < n; i++) { |
| 573 | 581 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 582 } |
| 583 | |
| 573 | 584 p = ngx_palloc(r->pool, len); |
| 585 if (p == NULL) { | |
| 586 return NGX_ERROR; | |
| 587 } | |
| 588 | |
| 589 v->len = len; | |
| 590 v->data = p; | |
| 515 | 591 |
| 592 for (i = 0; /* void */ ; i++) { | |
| 573 | 593 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 594 |
| 667 | 595 if (i == n - 1) { |
| 515 | 596 break; |
| 597 } | |
| 598 | |
| 599 *p++ = ';'; *p++ = ' '; | |
| 600 } | |
| 601 | |
| 573 | 602 return NGX_OK; |
| 515 | 603 } |
| 604 | |
| 605 | |
| 573 | 606 static ngx_int_t |
| 577 | 607 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 608 ngx_http_variable_value_t *v, uintptr_t data) | |
| 609 { | |
| 610 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 611 &r->headers_in.headers.part, | |
| 612 sizeof("http_") - 1); | |
| 613 } | |
| 614 | |
| 615 | |
| 616 static ngx_int_t | |
| 617 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 618 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 619 { |
| 577 | 620 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 621 &r->headers_out.headers.part, | |
| 622 sizeof("sent_http_") - 1); | |
| 623 } | |
| 501 | 624 |
| 577 | 625 |
| 1162 | 626 ngx_int_t |
| 577 | 627 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 628 ngx_list_part_t *part, size_t prefix) | |
| 629 { | |
| 573 | 630 u_char ch; |
| 631 ngx_uint_t i, n; | |
| 632 ngx_table_elt_t *header; | |
| 499 | 633 |
| 634 header = part->elts; | |
| 635 | |
| 636 for (i = 0; /* void */ ; i++) { | |
| 637 | |
| 638 if (i >= part->nelts) { | |
| 639 if (part->next == NULL) { | |
| 640 break; | |
| 641 } | |
| 642 | |
| 643 part = part->next; | |
| 644 header = part->elts; | |
| 645 i = 0; | |
| 646 } | |
| 647 | |
| 577 | 648 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 649 ch = header[i].key.data[n]; |
| 650 | |
| 509 | 651 if (ch >= 'A' && ch <= 'Z') { |
| 652 ch |= 0x20; | |
| 499 | 653 |
| 654 } else if (ch == '-') { | |
| 655 ch = '_'; | |
| 656 } | |
| 657 | |
| 577 | 658 if (var->data[n + prefix] != ch) { |
| 499 | 659 break; |
| 660 } | |
| 661 } | |
| 662 | |
|
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
Igor Sysoev <igor@sysoev.ru>
parents:
732
diff
changeset
|
663 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 664 v->len = header[i].value.len; |
| 665 v->valid = 1; | |
| 666 v->no_cachable = 0; | |
| 667 v->not_found = 0; | |
| 668 v->data = header[i].value.data; | |
| 499 | 669 |
| 573 | 670 return NGX_OK; |
| 499 | 671 } |
| 672 } | |
| 673 | |
| 573 | 674 v->not_found = 1; |
| 675 | |
| 676 return NGX_OK; | |
| 509 | 677 } |
| 678 | |
| 679 | |
| 573 | 680 static ngx_int_t |
| 681 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 682 uintptr_t data) | |
| 509 | 683 { |
| 864 | 684 if (r->host_start == NULL) { |
| 685 | |
| 686 if (r->headers_in.host) { | |
| 687 v->len = r->headers_in.host_name_len; | |
| 688 v->data = r->headers_in.host->value.data; | |
| 689 | |
| 690 } else { | |
| 691 v->len = r->server_name.len; | |
| 692 v->data = r->server_name.data; | |
| 693 } | |
| 509 | 694 |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
695 } else if (r->host_end) { |
| 864 | 696 v->len = r->host_end - r->host_start; |
| 697 v->data = r->host_start; | |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
698 |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
699 } else { |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
700 v->not_found = 1; |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
701 return NGX_OK; |
| 509 | 702 } |
| 703 | |
| 573 | 704 v->valid = 1; |
| 705 v->no_cachable = 0; | |
| 706 v->not_found = 0; | |
| 509 | 707 |
| 573 | 708 return NGX_OK; |
| 499 | 709 } |
| 710 | |
| 711 | |
| 573 | 712 static ngx_int_t |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
713 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 714 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 715 { |
| 982 | 716 struct sockaddr_in *sin; |
| 717 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
718 /* AF_INET only */ |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
719 |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
720 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 721 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
722 v->len = sizeof(in_addr_t); |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
723 v->valid = 1; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
724 v->no_cachable = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
725 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
726 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 727 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
728 return NGX_OK; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
729 } |
| 982 | 730 |
| 731 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
732 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
733 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
|
734 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
|
735 { |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
736 v->len = r->connection->addr_text.len; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
737 v->valid = 1; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
738 v->no_cachable = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
739 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
740 v->data = r->connection->addr_text.data; |
| 499 | 741 |
| 573 | 742 return NGX_OK; |
| 499 | 743 } |
| 744 | |
| 745 | |
| 573 | 746 static ngx_int_t |
| 747 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 748 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 749 { |
| 573 | 750 ngx_uint_t port; |
| 751 struct sockaddr_in *sin; | |
| 509 | 752 |
| 573 | 753 v->len = 0; |
| 754 v->valid = 1; | |
| 755 v->no_cachable = 0; | |
| 756 v->not_found = 0; | |
| 509 | 757 |
| 573 | 758 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 759 if (v->data == NULL) { | |
| 760 return NGX_ERROR; | |
| 509 | 761 } |
| 762 | |
| 763 /* AF_INET only */ | |
| 577 | 764 |
| 509 | 765 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 766 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 767 |
| 509 | 768 port = ntohs(sin->sin_port); |
| 577 | 769 |
| 509 | 770 if (port > 0 && port < 65536) { |
| 573 | 771 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 772 } |
| 773 } | |
| 774 | |
| 573 | 775 return NGX_OK; |
| 509 | 776 } |
| 777 | |
| 778 | |
| 573 | 779 static ngx_int_t |
| 780 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 781 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 782 { |
| 573 | 783 socklen_t len; |
| 784 ngx_connection_t *c; | |
| 785 struct sockaddr_in sin; | |
| 499 | 786 |
| 573 | 787 v->data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 788 if (v->data == NULL) { | |
| 789 return NGX_ERROR; | |
| 509 | 790 } |
| 791 | |
| 792 c = r->connection; | |
| 793 | |
| 794 if (r->in_addr == 0) { | |
| 795 len = sizeof(struct sockaddr_in); | |
| 796 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
|
797 ngx_connection_error(c, ngx_socket_errno, "getsockname() failed"); |
| 573 | 798 return NGX_ERROR; |
| 509 | 799 } |
| 800 | |
| 801 r->in_addr = sin.sin_addr.s_addr; | |
| 802 } | |
| 803 | |
| 573 | 804 v->len = ngx_inet_ntop(c->listening->family, &r->in_addr, |
| 805 v->data, INET_ADDRSTRLEN); | |
| 806 v->valid = 1; | |
| 807 v->no_cachable = 0; | |
| 808 v->not_found = 0; | |
| 499 | 809 |
| 573 | 810 return NGX_OK; |
| 499 | 811 } |
| 812 | |
| 813 | |
| 573 | 814 static ngx_int_t |
| 815 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 816 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 817 { |
| 573 | 818 v->len = r->port_text->len - 1; |
| 819 v->valid = 1; | |
| 820 v->no_cachable = 0; | |
| 821 v->not_found = 0; | |
| 822 v->data = r->port_text->data + 1; | |
| 509 | 823 |
| 573 | 824 return NGX_OK; |
| 509 | 825 } |
| 826 | |
| 827 | |
| 573 | 828 static ngx_int_t |
| 731 | 829 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 830 ngx_http_variable_value_t *v, uintptr_t data) | |
| 831 { | |
| 832 #if (NGX_HTTP_SSL) | |
| 833 | |
| 834 if (r->connection->ssl) { | |
| 835 v->len = sizeof("https") - 1; | |
| 836 v->valid = 1; | |
| 837 v->no_cachable = 0; | |
| 838 v->not_found = 0; | |
| 732 | 839 v->data = (u_char *) "https"; |
| 731 | 840 |
| 841 return NGX_OK; | |
| 842 } | |
| 843 | |
| 844 #endif | |
| 845 | |
| 846 v->len = sizeof("http") - 1; | |
| 847 v->valid = 1; | |
| 848 v->no_cachable = 0; | |
| 849 v->not_found = 0; | |
| 732 | 850 v->data = (u_char *) "http"; |
| 731 | 851 |
| 852 return NGX_OK; | |
| 853 } | |
| 854 | |
| 855 | |
| 856 static ngx_int_t | |
| 573 | 857 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 858 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 859 { |
| 671 | 860 ngx_str_t path; |
| 573 | 861 ngx_http_core_loc_conf_t *clcf; |
| 509 | 862 |
| 863 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 864 | |
| 671 | 865 if (clcf->root_lengths == NULL) { |
| 866 v->len = clcf->root.len; | |
| 867 v->valid = 1; | |
| 868 v->no_cachable = 0; | |
| 869 v->not_found = 0; | |
| 870 v->data = clcf->root.data; | |
| 871 | |
| 872 } else { | |
| 873 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 874 clcf->root_values->elts) | |
| 875 == NULL) | |
| 876 { | |
| 877 return NGX_ERROR; | |
| 878 } | |
| 879 | |
| 880 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path) == NGX_ERROR) { | |
| 881 return NGX_ERROR; | |
| 882 } | |
| 883 | |
| 884 v->len = path.len; | |
| 885 v->valid = 1; | |
| 886 v->no_cachable = 0; | |
| 887 v->not_found = 0; | |
| 888 v->data = path.data; | |
| 889 } | |
| 509 | 890 |
| 573 | 891 return NGX_OK; |
| 509 | 892 } |
| 893 | |
| 894 | |
| 573 | 895 static ngx_int_t |
| 896 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 897 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 898 { |
| 773 | 899 size_t root; |
| 573 | 900 ngx_str_t path; |
| 499 | 901 |
| 773 | 902 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 903 return NGX_ERROR; |
| 557 | 904 } |
| 509 | 905 |
| 557 | 906 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 907 |
| 573 | 908 v->len = path.len - 1; |
| 909 v->valid = 1; | |
| 910 v->no_cachable = 0; | |
| 911 v->not_found = 0; | |
| 912 v->data = path.data; | |
| 499 | 913 |
| 573 | 914 return NGX_OK; |
| 499 | 915 } |
| 916 | |
| 917 | |
| 573 | 918 static ngx_int_t |
| 919 ngx_http_variable_request_method(ngx_http_request_t *r, | |
| 920 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 921 { |
| 647 | 922 if (r->main->method_name.data) { |
| 923 v->len = r->main->method_name.len; | |
| 573 | 924 v->valid = 1; |
| 925 v->no_cachable = 0; | |
| 926 v->not_found = 0; | |
| 647 | 927 v->data = r->main->method_name.data; |
| 573 | 928 |
| 929 } else { | |
| 930 v->not_found = 1; | |
| 561 | 931 } |
| 932 | |
| 573 | 933 return NGX_OK; |
| 561 | 934 } |
| 935 | |
| 936 | |
| 573 | 937 static ngx_int_t |
| 938 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 939 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 940 { |
| 573 | 941 ngx_int_t rc; |
| 539 | 942 |
| 943 rc = ngx_http_auth_basic_user(r); | |
| 944 | |
| 945 if (rc == NGX_DECLINED) { | |
| 573 | 946 v->not_found = 1; |
| 947 return NGX_OK; | |
| 539 | 948 } |
| 949 | |
| 950 if (rc == NGX_ERROR) { | |
| 573 | 951 return NGX_ERROR; |
| 539 | 952 } |
| 953 | |
| 573 | 954 v->len = r->headers_in.user.len; |
| 955 v->valid = 1; | |
| 956 v->no_cachable = 0; | |
| 957 v->not_found = 0; | |
| 958 v->data = r->headers_in.user.data; | |
| 571 | 959 |
| 573 | 960 return NGX_OK; |
| 571 | 961 } |
| 962 | |
| 963 | |
| 611 | 964 static ngx_int_t |
| 965 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 966 ngx_http_variable_value_t *v, uintptr_t data) | |
| 967 { | |
| 968 off_t sent; | |
| 969 u_char *p; | |
| 970 | |
| 971 sent = r->connection->sent - r->header_size; | |
| 972 | |
| 973 if (sent < 0) { | |
| 974 sent = 0; | |
| 975 } | |
| 976 | |
| 977 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 978 if (p == NULL) { | |
| 979 return NGX_ERROR; | |
| 980 } | |
| 981 | |
| 982 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 983 v->valid = 1; | |
| 984 v->no_cachable = 0; | |
| 985 v->not_found = 0; | |
| 986 v->data = p; | |
| 987 | |
| 988 return NGX_OK; | |
| 989 } | |
| 990 | |
| 991 | |
| 629 | 992 static ngx_int_t |
| 641 | 993 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 994 ngx_http_variable_value_t *v, uintptr_t data) | |
| 995 { | |
| 996 if (r->headers_out.content_type.len) { | |
| 997 v->len = r->headers_out.content_type.len; | |
| 998 v->valid = 1; | |
| 999 v->no_cachable = 0; | |
| 1000 v->not_found = 0; | |
| 1001 v->data = r->headers_out.content_type.data; | |
| 1002 | |
| 1003 } else { | |
| 1004 v->not_found = 1; | |
| 1005 } | |
| 1006 | |
| 1007 return NGX_OK; | |
| 1008 } | |
| 1009 | |
| 1010 | |
| 1011 static ngx_int_t | |
| 1012 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1013 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1014 { | |
| 1015 u_char *p; | |
| 1016 | |
| 1017 if (r->headers_out.content_length) { | |
| 1018 v->len = r->headers_out.content_length->value.len; | |
| 1019 v->valid = 1; | |
| 1020 v->no_cachable = 0; | |
| 1021 v->not_found = 0; | |
| 1022 v->data = r->headers_out.content_length->value.data; | |
| 1023 | |
| 1024 return NGX_OK; | |
| 1025 } | |
| 1026 | |
| 1027 if (r->headers_out.content_length_n >= 0) { | |
| 1028 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1029 if (p == NULL) { | |
| 1030 return NGX_ERROR; | |
| 1031 } | |
| 1032 | |
| 1033 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1034 v->valid = 1; | |
| 1035 v->no_cachable = 0; | |
| 1036 v->not_found = 0; | |
| 1037 v->data = p; | |
| 1038 | |
| 1039 return NGX_OK; | |
| 1040 } | |
| 1041 | |
| 1042 v->not_found = 1; | |
| 1043 | |
| 1044 return NGX_OK; | |
| 1045 } | |
| 1046 | |
| 1047 | |
| 1048 static ngx_int_t | |
| 1049 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1050 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1051 { | |
| 1052 u_char *p; | |
| 1053 | |
| 1054 if (r->headers_out.last_modified) { | |
| 1055 v->len = r->headers_out.last_modified->value.len; | |
| 1056 v->valid = 1; | |
| 1057 v->no_cachable = 0; | |
| 1058 v->not_found = 0; | |
| 1059 v->data = r->headers_out.last_modified->value.data; | |
| 1060 | |
| 1061 return NGX_OK; | |
| 1062 } | |
| 1063 | |
| 1064 if (r->headers_out.last_modified_time >= 0) { | |
| 1065 p = ngx_palloc(r->pool, | |
| 1066 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1067 if (p == NULL) { | |
| 1068 return NGX_ERROR; | |
| 1069 } | |
| 1070 | |
| 1071 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1072 v->valid = 1; | |
| 1073 v->no_cachable = 0; | |
| 1074 v->not_found = 0; | |
| 1075 v->data = p; | |
| 1076 | |
| 1077 return NGX_OK; | |
| 1078 } | |
| 1079 | |
| 1080 v->not_found = 1; | |
| 1081 | |
| 1082 return NGX_OK; | |
| 1083 } | |
| 1084 | |
| 1085 | |
| 1086 static ngx_int_t | |
| 1087 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1088 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1089 { | |
| 1090 size_t len; | |
| 1091 char *p; | |
| 1092 | |
| 1093 if (r->keepalive) { | |
| 1094 len = sizeof("keep-alive") - 1; | |
| 1095 p = "keep-alive"; | |
| 1096 | |
| 1097 } else { | |
| 1098 len = sizeof("close") - 1; | |
| 1099 p = "close"; | |
| 1100 } | |
| 1101 | |
| 1102 v->len = len; | |
| 1103 v->valid = 1; | |
| 1104 v->no_cachable = 0; | |
| 1105 v->not_found = 0; | |
| 1106 v->data = (u_char *) p; | |
| 1107 | |
| 1108 return NGX_OK; | |
| 1109 } | |
| 1110 | |
| 1111 | |
| 1112 static ngx_int_t | |
| 1113 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1114 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1115 { | |
| 1116 u_char *p; | |
| 1117 ngx_http_core_loc_conf_t *clcf; | |
| 1118 | |
| 1119 if (r->keepalive) { | |
| 1120 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1121 | |
| 1122 if (clcf->keepalive_header) { | |
| 1123 | |
| 1124 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1125 if (p == NULL) { | |
| 1126 return NGX_ERROR; | |
| 1127 } | |
| 1128 | |
| 1129 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1130 v->valid = 1; | |
| 1131 v->no_cachable = 0; | |
| 1132 v->not_found = 0; | |
| 1133 v->data = p; | |
| 1134 | |
| 1135 return NGX_OK; | |
| 1136 } | |
| 1137 } | |
| 1138 | |
| 1139 v->not_found = 1; | |
| 1140 | |
| 1141 return NGX_OK; | |
| 1142 } | |
| 1143 | |
| 1144 | |
| 1145 static ngx_int_t | |
| 1146 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1147 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1148 { | |
| 1149 if (r->chunked) { | |
| 1150 v->len = sizeof("chunked") - 1; | |
| 1151 v->valid = 1; | |
| 1152 v->no_cachable = 0; | |
| 1153 v->not_found = 0; | |
| 1154 v->data = (u_char *) "chunked"; | |
| 1155 | |
| 1156 } else { | |
| 1157 v->not_found = 1; | |
| 1158 } | |
| 1159 | |
| 1160 return NGX_OK; | |
| 1161 } | |
| 1162 | |
| 1163 | |
| 1164 static ngx_int_t | |
| 629 | 1165 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1166 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1167 { | |
| 1168 if (r->request_complete) { | |
| 1169 v->len = 2; | |
| 1170 v->valid = 1; | |
| 1171 v->no_cachable = 0; | |
| 1172 v->not_found = 0; | |
| 1173 v->data = (u_char *) "OK"; | |
| 1174 | |
| 1175 return NGX_OK; | |
| 1176 } | |
| 1177 | |
| 1178 v->len = 0; | |
| 1179 v->valid = 1; | |
| 1180 v->no_cachable = 0; | |
| 1181 v->not_found = 0; | |
| 1182 v->data = (u_char *) ""; | |
| 1183 | |
| 1184 return NGX_OK; | |
| 1185 } | |
| 1186 | |
| 1187 | |
| 759 | 1188 static ngx_int_t |
| 1189 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1190 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1191 { | |
| 1192 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
|
1193 v->not_found = 1; |
| 759 | 1194 |
| 1195 return NGX_OK; | |
| 1196 } | |
| 1197 | |
| 1198 v->len = r->request_body->temp_file->file.name.len; | |
| 1199 v->valid = 1; | |
| 1200 v->no_cachable = 0; | |
| 1201 v->not_found = 0; | |
| 1202 v->data = r->request_body->temp_file->file.name.data; | |
| 1203 | |
| 1204 return NGX_OK; | |
| 1205 } | |
| 1206 | |
| 1207 | |
| 499 | 1208 ngx_int_t |
| 509 | 1209 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1210 { |
| 611 | 1211 ngx_int_t rc; |
| 1212 ngx_http_variable_t *v; | |
| 501 | 1213 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1214 |
| 509 | 1215 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1216 | |
| 611 | 1217 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1218 sizeof(ngx_hash_keys_arrays_t)); | |
| 1219 if (cmcf->variables_keys == NULL) { | |
| 1220 return NGX_ERROR; | |
| 1221 } | |
| 1222 | |
| 1223 cmcf->variables_keys->pool = cf->pool; | |
| 1224 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1225 | |
| 1226 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1227 != NGX_OK) | |
| 509 | 1228 { |
| 499 | 1229 return NGX_ERROR; |
| 1230 } | |
| 1231 | |
| 611 | 1232 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1233 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1234 NGX_HASH_READONLY_KEY); | |
| 1235 | |
| 1236 if (rc == NGX_OK) { | |
| 1237 continue; | |
| 499 | 1238 } |
| 1239 | |
| 611 | 1240 if (rc == NGX_BUSY) { |
| 1241 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1242 "conflicting variable name \"%V\"", &v->name); | |
| 1243 } | |
| 1244 | |
| 1245 return NGX_ERROR; | |
| 499 | 1246 } |
| 1247 | |
| 1248 return NGX_OK; | |
| 1249 } | |
| 509 | 1250 |
| 1251 | |
| 1252 ngx_int_t | |
| 1253 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1254 { | |
| 1255 ngx_uint_t i, n; | |
| 611 | 1256 ngx_hash_key_t *key; |
| 1257 ngx_hash_init_t hash; | |
| 509 | 1258 ngx_http_variable_t *v, *av; |
| 1259 ngx_http_core_main_conf_t *cmcf; | |
| 1260 | |
| 1261 /* set the handlers for the indexed http variables */ | |
| 1262 | |
| 1263 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1264 | |
| 1265 v = cmcf->variables.elts; | |
| 611 | 1266 key = cmcf->variables_keys->keys.elts; |
| 509 | 1267 |
| 1268 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1269 | |
| 611 | 1270 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1271 |
| 611 | 1272 if (v[i].name.len == key[n].key.len |
| 1273 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) | |
| 509 | 1274 == 0) |
| 1275 { | |
| 611 | 1276 av = key[n].value; |
| 1277 | |
| 637 | 1278 v[i].get_handler = av->get_handler; |
| 611 | 1279 v[i].data = av->data; |
| 527 | 1280 |
| 611 | 1281 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1282 v[i].flags = av->flags; | |
| 509 | 1283 |
| 611 | 1284 av->index = i; |
| 533 | 1285 |
| 509 | 1286 goto next; |
| 1287 } | |
| 1288 } | |
| 1289 | |
| 1290 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1291 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1292 v[i].data = (uintptr_t) &v[i].name; |
| 1293 | |
| 1294 continue; | |
| 1295 } | |
| 1296 | |
| 1297 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1298 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1299 v[i].data = (uintptr_t) &v[i].name; |
| 1300 | |
| 1301 continue; | |
| 1302 } | |
| 1303 | |
| 1162 | 1304 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1305 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1306 v[i].data = (uintptr_t) &v[i].name; | |
|
1173
2a0b86713cc6
$upstream_http_... should be uncacheable
Igor Sysoev <igor@sysoev.ru>
parents:
1162
diff
changeset
|
1307 v[i].flags = NGX_HTTP_VAR_NOCACHABLE; |
| 1162 | 1308 |
| 1309 continue; | |
| 1310 } | |
| 1311 | |
| 509 | 1312 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1313 "unknown \"%V\" variable", &v[i].name); | |
| 1314 | |
| 1315 return NGX_ERROR; | |
| 1316 | |
| 1317 next: | |
| 1318 continue; | |
| 1319 } | |
| 1320 | |
| 1321 | |
| 611 | 1322 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1323 av = key[n].value; | |
| 1324 | |
| 1325 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1326 key[n].key.data = NULL; | |
| 583 | 1327 } |
| 1328 } | |
| 1329 | |
| 1330 | |
| 611 | 1331 hash.hash = &cmcf->variables_hash; |
| 1332 hash.key = ngx_hash_key; | |
| 1333 hash.max_size = cmcf->variables_hash_max_size; | |
| 1334 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1335 hash.name = "variables_hash"; | |
| 1336 hash.pool = cf->pool; | |
| 1337 hash.temp_pool = NULL; | |
| 509 | 1338 |
| 611 | 1339 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1340 cmcf->variables_keys->keys.nelts) | |
| 581 | 1341 != NGX_OK) |
| 509 | 1342 { |
| 1343 return NGX_ERROR; | |
| 1344 } | |
| 1345 | |
| 611 | 1346 cmcf->variables_keys = NULL; |
| 509 | 1347 |
| 1348 return NGX_OK; | |
| 1349 } |