Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 1811:0d9c6fe7502b
axe useless r->server_name
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 30 Dec 2007 08:15:27 +0000 |
| parents | bb72f7518992 |
| children | b9de93d804ea |
| 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); | |
| 1350 | 16 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 17 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 18 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 19 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 20 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 21 ngx_http_variable_value_t *v, uintptr_t data); | |
| 22 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 23 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 24 |
| 25 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 26 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 27 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 28 ngx_http_variable_value_t *v, uintptr_t data); | |
| 29 | |
| 573 | 30 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 31 ngx_http_variable_value_t *v, uintptr_t data); | |
|
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ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
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32 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
|
33 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 34 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 35 ngx_http_variable_value_t *v, uintptr_t data); | |
| 36 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 37 ngx_http_variable_value_t *v, uintptr_t data); | |
| 38 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 39 ngx_http_variable_value_t *v, uintptr_t data); | |
| 40 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 41 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 42 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 43 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 44 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 45 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 46 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 47 ngx_http_variable_value_t *v, uintptr_t data); | |
| 48 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 49 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 50 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 51 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 52 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 53 ngx_http_variable_value_t *v, uintptr_t data); | |
| 54 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 55 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 56 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 57 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 58 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 59 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 60 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 61 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 62 |
| 641 | 63 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 65 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 67 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 69 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 70 ngx_http_variable_value_t *v, uintptr_t data); | |
| 71 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 72 ngx_http_variable_value_t *v, uintptr_t data); | |
| 73 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 74 ngx_http_variable_value_t *v, uintptr_t data); | |
| 75 | |
| 1329 | 76 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 78 |
| 509 | 79 /* |
| 80 * TODO: | |
| 81 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 82 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 83 * SERVER_SOFTWARE | |
| 84 * | |
| 571 | 85 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 86 */ |
| 499 | 87 |
| 641 | 88 /* |
| 89 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 90 * and $http_x_forwarded_for variables may be handled by generic | |
| 91 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 92 * they are handled using dedicated entries | |
| 93 */ | |
| 94 | |
| 509 | 95 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 96 | |
| 637 | 97 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 98 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 99 |
| 637 | 100 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 101 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 102 |
| 637 | 103 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 104 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 105 |
| 106 #if (NGX_HTTP_GZIP) | |
| 637 | 107 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 108 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 109 #endif |
| 110 | |
|
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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111 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 112 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 113 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 114 #endif |
| 115 | |
| 637 | 116 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 118 |
| 637 | 119 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 120 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 121 |
| 637 | 122 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 123 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 124 |
| 637 | 125 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 126 |
| 982 | 127 { ngx_string("binary_remote_addr"), NULL, |
|
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7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
128 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 129 |
| 637 | 130 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 131 |
| 637 | 132 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 133 |
| 637 | 134 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 137 |
| 637 | 138 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 139 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 140 |
| 731 | 141 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 142 | |
| 637 | 143 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 144 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 145 |
| 637 | 146 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 147 offsetof(ngx_http_request_t, uri), | |
| 1565 | 148 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 149 |
| 150 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 151 offsetof(ngx_http_request_t, uri), |
| 1565 | 152 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 153 |
| 637 | 154 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 155 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 156 | |
| 637 | 157 { ngx_string("document_root"), NULL, |
| 1565 | 158 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 159 |
| 637 | 160 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 161 offsetof(ngx_http_request_t, args), |
| 1565 | 162 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 163 |
| 1350 | 164 { ngx_string("args"), |
| 165 ngx_http_variable_request_set, | |
| 166 ngx_http_variable_request, | |
| 589 | 167 offsetof(ngx_http_request_t, args), |
| 1565 | 168 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 169 |
| 1351 | 170 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 171 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 172 |
| 637 | 173 { ngx_string("request_filename"), NULL, |
| 174 ngx_http_variable_request_filename, 0, | |
| 1565 | 175 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 176 |
| 1811 | 177 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 178 |
| 637 | 179 { ngx_string("request_method"), NULL, |
| 180 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 181 |
| 637 | 182 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 183 |
| 637 | 184 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 185 0, 0, 0 }, |
| 186 | |
| 637 | 187 { ngx_string("request_completion"), NULL, |
| 188 ngx_http_variable_request_completion, | |
| 629 | 189 0, 0, 0 }, |
| 190 | |
| 759 | 191 { ngx_string("request_body_file"), NULL, |
| 192 ngx_http_variable_request_body_file, | |
| 193 0, 0, 0 }, | |
| 194 | |
| 641 | 195 { ngx_string("sent_http_content_type"), NULL, |
| 196 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 197 | |
| 198 { ngx_string("sent_http_content_length"), NULL, | |
| 199 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 200 | |
| 201 { ngx_string("sent_http_last_modified"), NULL, | |
| 202 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 203 | |
| 204 { ngx_string("sent_http_connection"), NULL, | |
| 205 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 206 | |
| 207 { ngx_string("sent_http_keep_alive"), NULL, | |
| 208 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 209 | |
| 210 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 211 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 212 | |
| 213 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 214 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 215 | |
| 637 | 216 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 217 ngx_http_variable_request, | |
| 218 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 219 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 220 |
| 1329 | 221 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 222 0, 0, 0 }, | |
| 223 | |
| 637 | 224 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 225 }; |
| 226 | |
| 227 | |
| 577 | 228 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 229 ngx_http_variable(""); | |
| 230 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 231 ngx_http_variable("1"); | |
| 232 | |
| 233 | |
| 499 | 234 ngx_http_variable_t * |
| 509 | 235 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 236 { | |
| 611 | 237 ngx_int_t rc; |
| 509 | 238 ngx_uint_t i; |
| 611 | 239 ngx_hash_key_t *key; |
| 509 | 240 ngx_http_variable_t *v; |
| 241 ngx_http_core_main_conf_t *cmcf; | |
| 242 | |
| 243 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 244 | |
| 611 | 245 key = cmcf->variables_keys->keys.elts; |
| 246 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 247 if (name->len != key[i].key.len | |
| 248 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 249 { |
| 250 continue; | |
| 251 } | |
| 252 | |
| 611 | 253 v = key[i].value; |
| 254 | |
| 1565 | 255 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 256 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 257 "the duplicate \"%V\" variable", name); | |
| 258 return NULL; | |
| 259 } | |
| 260 | |
| 611 | 261 return v; |
| 509 | 262 } |
| 263 | |
| 611 | 264 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 265 if (v == NULL) { |
| 266 return NULL; | |
| 267 } | |
| 268 | |
| 269 v->name.len = name->len; | |
| 270 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 271 if (v->name.data == NULL) { | |
| 272 return NULL; | |
| 273 } | |
| 274 | |
| 275 for (i = 0; i < name->len; i++) { | |
| 276 v->name.data[i] = ngx_tolower(name->data[i]); | |
| 277 } | |
| 278 | |
| 637 | 279 v->set_handler = NULL; |
| 280 v->get_handler = NULL; | |
| 509 | 281 v->data = 0; |
| 282 v->flags = flags; | |
| 533 | 283 v->index = 0; |
| 509 | 284 |
| 611 | 285 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 286 | |
| 287 if (rc == NGX_ERROR) { | |
| 288 return NULL; | |
| 289 } | |
| 290 | |
| 291 if (rc == NGX_BUSY) { | |
| 292 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 293 "conflicting variable name \"%V\"", name); | |
| 294 return NULL; | |
| 295 } | |
| 296 | |
| 509 | 297 return v; |
| 298 } | |
| 299 | |
| 300 | |
| 301 ngx_int_t | |
| 302 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 303 { |
| 501 | 304 ngx_uint_t i; |
| 305 ngx_http_variable_t *v; | |
| 499 | 306 ngx_http_core_main_conf_t *cmcf; |
| 307 | |
| 308 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 309 | |
| 501 | 310 v = cmcf->variables.elts; |
| 311 | |
| 312 if (v == NULL) { | |
| 499 | 313 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 314 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 315 { | |
| 509 | 316 return NGX_ERROR; |
| 499 | 317 } |
| 501 | 318 |
| 319 } else { | |
| 320 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 321 if (name->len != v[i].name.len | |
| 322 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 323 { | |
| 324 continue; | |
| 325 } | |
| 326 | |
| 509 | 327 return i; |
| 501 | 328 } |
| 499 | 329 } |
| 330 | |
| 501 | 331 v = ngx_array_push(&cmcf->variables); |
| 332 if (v == NULL) { | |
| 509 | 333 return NGX_ERROR; |
| 499 | 334 } |
| 335 | |
| 501 | 336 v->name.len = name->len; |
| 337 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 338 if (v->name.data == NULL) { | |
| 509 | 339 return NGX_ERROR; |
| 501 | 340 } |
| 499 | 341 |
| 501 | 342 for (i = 0; i < name->len; i++) { |
| 509 | 343 v->name.data[i] = ngx_tolower(name->data[i]); |
| 501 | 344 } |
| 345 | |
| 637 | 346 v->set_handler = NULL; |
| 347 v->get_handler = NULL; | |
| 501 | 348 v->data = 0; |
| 509 | 349 v->flags = 0; |
| 533 | 350 v->index = cmcf->variables.nelts - 1; |
| 501 | 351 |
| 509 | 352 return cmcf->variables.nelts - 1; |
| 499 | 353 } |
| 354 | |
| 355 | |
| 356 ngx_http_variable_value_t * | |
| 357 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 358 { | |
| 501 | 359 ngx_http_variable_t *v; |
| 499 | 360 ngx_http_core_main_conf_t *cmcf; |
| 361 | |
| 362 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 363 | |
| 553 | 364 if (cmcf->variables.nelts <= index) { |
| 499 | 365 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 366 "unknown variable index: %d", index); | |
| 367 return NULL; | |
| 368 } | |
| 369 | |
| 573 | 370 if (r->variables[index].not_found || r->variables[index].valid) { |
| 371 return &r->variables[index]; | |
| 501 | 372 } |
| 499 | 373 |
| 501 | 374 v = cmcf->variables.elts; |
| 499 | 375 |
| 637 | 376 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 377 == NGX_OK) | |
| 378 { | |
| 1565 | 379 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 380 r->variables[index].no_cacheable = 1; | |
| 499 | 381 } |
| 573 | 382 |
| 383 return &r->variables[index]; | |
| 499 | 384 } |
| 385 | |
| 657 | 386 r->variables[index].valid = 0; |
| 387 r->variables[index].not_found = 1; | |
| 388 | |
| 798 | 389 return NULL; |
| 573 | 390 } |
| 391 | |
| 392 | |
| 393 ngx_http_variable_value_t * | |
| 394 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 395 { | |
| 1150 | 396 ngx_http_variable_value_t *v; |
| 573 | 397 |
| 398 v = &r->variables[index]; | |
| 399 | |
| 400 if (v->valid) { | |
| 1565 | 401 if (!v->no_cacheable) { |
| 573 | 402 return v; |
| 403 } | |
| 404 | |
| 405 v->valid = 0; | |
| 406 v->not_found = 0; | |
| 509 | 407 } |
| 501 | 408 |
| 573 | 409 return ngx_http_get_indexed_variable(r, index); |
| 499 | 410 } |
| 411 | |
| 412 | |
| 413 ngx_http_variable_value_t * | |
| 635 | 414 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 415 ngx_uint_t nowarn) | |
| 499 | 416 { |
| 501 | 417 ngx_http_variable_t *v; |
| 573 | 418 ngx_http_variable_value_t *vv; |
| 499 | 419 ngx_http_core_main_conf_t *cmcf; |
| 420 | |
| 421 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 422 | |
| 611 | 423 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 424 |
| 611 | 425 if (v) { |
| 426 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 427 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 428 |
| 429 } else { | |
| 499 | 430 |
| 573 | 431 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 432 |
| 637 | 433 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 434 return vv; |
| 435 } | |
| 509 | 436 |
| 573 | 437 return NULL; |
| 438 } | |
| 509 | 439 } |
| 440 | |
| 441 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 442 if (vv == NULL) { | |
| 443 return NULL; | |
| 444 } | |
| 445 | |
| 573 | 446 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 447 |
| 577 | 448 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 449 == NGX_OK) | |
| 450 { | |
| 451 return vv; | |
| 452 } | |
| 453 | |
| 454 return NULL; | |
| 455 } | |
| 456 | |
| 457 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 458 | |
| 459 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 460 == NGX_OK) | |
| 573 | 461 { |
| 462 return vv; | |
| 463 } | |
| 499 | 464 |
| 465 return NULL; | |
| 466 } | |
| 467 | |
| 1162 | 468 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 469 | |
| 470 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 471 == NGX_OK) | |
| 472 { | |
| 473 return vv; | |
| 474 } | |
| 475 | |
| 476 return NULL; | |
| 477 } | |
| 478 | |
| 635 | 479 vv->not_found = 1; |
| 573 | 480 |
| 635 | 481 if (nowarn == 0) { |
| 482 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 483 "unknown \"%V\" variable", name); | |
| 484 } | |
| 499 | 485 |
| 501 | 486 return vv; |
| 499 | 487 } |
| 488 | |
| 489 | |
| 573 | 490 static ngx_int_t |
| 491 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 492 uintptr_t data) | |
| 493 { | |
| 494 ngx_str_t *s; | |
| 495 | |
| 496 s = (ngx_str_t *) ((char *) r + data); | |
| 497 | |
| 498 if (s->data) { | |
| 499 v->len = s->len; | |
| 500 v->valid = 1; | |
| 1565 | 501 v->no_cacheable = 0; |
| 573 | 502 v->not_found = 0; |
| 503 v->data = s->data; | |
| 504 | |
| 505 } else { | |
| 506 v->not_found = 1; | |
| 507 } | |
| 508 | |
| 509 return NGX_OK; | |
| 510 } | |
| 511 | |
| 512 | |
| 637 | 513 static void |
| 1350 | 514 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 515 ngx_http_variable_value_t *v, uintptr_t data) | |
| 516 { | |
| 517 ngx_str_t *s; | |
| 518 | |
| 519 s = (ngx_str_t *) ((char *) r + data); | |
| 520 | |
| 521 s->len = v->len; | |
| 522 s->data = v->data; | |
| 523 } | |
| 524 | |
| 525 | |
| 526 static void | |
| 637 | 527 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 528 ngx_http_variable_value_t *v, uintptr_t data) | |
| 529 { | |
| 530 ssize_t s, *sp; | |
| 531 ngx_str_t val; | |
| 532 | |
|
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533 val.len = v->len; |
| 637 | 534 val.data = v->data; |
| 535 | |
| 536 s = ngx_parse_size(&val); | |
| 537 | |
| 538 if (s == NGX_ERROR) { | |
| 539 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 540 "invalid size \"%V\"", &val); | |
| 541 return; | |
| 542 } | |
| 543 | |
| 544 sp = (ssize_t *) ((char *) r + data); | |
| 545 | |
| 546 *sp = s; | |
| 547 | |
| 548 return; | |
| 549 } | |
| 550 | |
| 551 | |
| 573 | 552 static ngx_int_t |
| 553 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 554 uintptr_t data) | |
| 515 | 555 { |
| 573 | 556 ngx_table_elt_t *h; |
| 557 | |
| 558 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 559 | |
| 560 if (h) { | |
| 561 v->len = h->value.len; | |
| 562 v->valid = 1; | |
| 1565 | 563 v->no_cacheable = 0; |
| 573 | 564 v->not_found = 0; |
| 565 v->data = h->value.data; | |
| 566 | |
| 567 } else { | |
| 568 v->not_found = 1; | |
| 569 } | |
| 570 | |
| 571 return NGX_OK; | |
| 572 } | |
| 573 | |
| 574 | |
| 575 static ngx_int_t | |
| 576 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 577 uintptr_t data) | |
| 578 { | |
| 667 | 579 ssize_t len; |
| 573 | 580 u_char *p; |
| 667 | 581 ngx_uint_t i, n; |
| 573 | 582 ngx_array_t *a; |
| 583 ngx_table_elt_t **h; | |
| 515 | 584 |
| 585 a = (ngx_array_t *) ((char *) r + data); | |
| 586 | |
| 667 | 587 n = a->nelts; |
| 588 | |
| 589 if (n == 0) { | |
| 573 | 590 v->not_found = 1; |
| 591 return NGX_OK; | |
| 515 | 592 } |
| 593 | |
| 573 | 594 v->valid = 1; |
| 1565 | 595 v->no_cacheable = 0; |
| 573 | 596 v->not_found = 0; |
| 515 | 597 |
| 598 h = a->elts; | |
| 599 | |
| 667 | 600 if (n == 1) { |
| 573 | 601 v->len = (*h)->value.len; |
| 602 v->data = (*h)->value.data; | |
| 515 | 603 |
| 573 | 604 return NGX_OK; |
| 515 | 605 } |
| 606 | |
| 667 | 607 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 608 |
| 667 | 609 for (i = 0; i < n; i++) { |
| 573 | 610 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 611 } |
| 612 | |
| 573 | 613 p = ngx_palloc(r->pool, len); |
| 614 if (p == NULL) { | |
| 615 return NGX_ERROR; | |
| 616 } | |
| 617 | |
| 618 v->len = len; | |
| 619 v->data = p; | |
| 515 | 620 |
| 621 for (i = 0; /* void */ ; i++) { | |
| 573 | 622 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 623 |
| 667 | 624 if (i == n - 1) { |
| 515 | 625 break; |
| 626 } | |
| 627 | |
| 628 *p++ = ';'; *p++ = ' '; | |
| 629 } | |
| 630 | |
| 573 | 631 return NGX_OK; |
| 515 | 632 } |
| 633 | |
| 634 | |
| 573 | 635 static ngx_int_t |
| 577 | 636 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 637 ngx_http_variable_value_t *v, uintptr_t data) | |
| 638 { | |
| 639 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 640 &r->headers_in.headers.part, | |
| 641 sizeof("http_") - 1); | |
| 642 } | |
| 643 | |
| 644 | |
| 645 static ngx_int_t | |
| 646 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 647 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 648 { |
| 577 | 649 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 650 &r->headers_out.headers.part, | |
| 651 sizeof("sent_http_") - 1); | |
| 652 } | |
| 501 | 653 |
| 577 | 654 |
| 1162 | 655 ngx_int_t |
| 577 | 656 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 657 ngx_list_part_t *part, size_t prefix) | |
| 658 { | |
| 573 | 659 u_char ch; |
| 660 ngx_uint_t i, n; | |
| 661 ngx_table_elt_t *header; | |
| 499 | 662 |
| 663 header = part->elts; | |
| 664 | |
| 665 for (i = 0; /* void */ ; i++) { | |
| 666 | |
| 667 if (i >= part->nelts) { | |
| 668 if (part->next == NULL) { | |
| 669 break; | |
| 670 } | |
| 671 | |
| 672 part = part->next; | |
| 673 header = part->elts; | |
| 674 i = 0; | |
| 675 } | |
| 676 | |
| 577 | 677 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 678 ch = header[i].key.data[n]; |
| 679 | |
| 509 | 680 if (ch >= 'A' && ch <= 'Z') { |
| 681 ch |= 0x20; | |
| 499 | 682 |
| 683 } else if (ch == '-') { | |
| 684 ch = '_'; | |
| 685 } | |
| 686 | |
| 577 | 687 if (var->data[n + prefix] != ch) { |
| 499 | 688 break; |
| 689 } | |
| 690 } | |
| 691 | |
|
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692 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 693 v->len = header[i].value.len; |
| 694 v->valid = 1; | |
| 1565 | 695 v->no_cacheable = 0; |
| 573 | 696 v->not_found = 0; |
| 697 v->data = header[i].value.data; | |
| 499 | 698 |
| 573 | 699 return NGX_OK; |
| 499 | 700 } |
| 701 } | |
| 702 | |
| 573 | 703 v->not_found = 1; |
| 704 | |
| 705 return NGX_OK; | |
| 509 | 706 } |
| 707 | |
| 708 | |
| 573 | 709 static ngx_int_t |
| 710 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 711 uintptr_t data) | |
| 509 | 712 { |
| 1811 | 713 ngx_http_core_srv_conf_t *cscf; |
| 714 | |
| 864 | 715 if (r->host_start == NULL) { |
| 716 | |
| 717 if (r->headers_in.host) { | |
| 718 v->len = r->headers_in.host_name_len; | |
| 719 v->data = r->headers_in.host->value.data; | |
| 720 | |
| 721 } else { | |
| 1811 | 722 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
| 723 | |
| 724 v->len = cscf->server_name.len; | |
| 725 v->data = cscf->server_name.data; | |
| 864 | 726 } |
| 509 | 727 |
|
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728 } else if (r->host_end) { |
| 864 | 729 v->len = r->host_end - r->host_start; |
| 730 v->data = r->host_start; | |
|
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731 |
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732 } else { |
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733 v->not_found = 1; |
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734 return NGX_OK; |
| 509 | 735 } |
| 736 | |
| 573 | 737 v->valid = 1; |
| 1565 | 738 v->no_cacheable = 0; |
| 573 | 739 v->not_found = 0; |
| 509 | 740 |
| 573 | 741 return NGX_OK; |
| 499 | 742 } |
| 743 | |
| 744 | |
| 573 | 745 static ngx_int_t |
|
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746 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 747 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 748 { |
| 982 | 749 struct sockaddr_in *sin; |
| 750 | |
|
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751 /* AF_INET only */ |
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752 |
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753 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 754 |
|
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755 v->len = sizeof(in_addr_t); |
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756 v->valid = 1; |
| 1565 | 757 v->no_cacheable = 0; |
|
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758 v->not_found = 0; |
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759 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 760 |
|
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761 return NGX_OK; |
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762 } |
| 982 | 763 |
| 764 | |
|
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765 static ngx_int_t |
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766 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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767 ngx_http_variable_value_t *v, uintptr_t data) |
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768 { |
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769 v->len = r->connection->addr_text.len; |
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770 v->valid = 1; |
| 1565 | 771 v->no_cacheable = 0; |
|
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772 v->not_found = 0; |
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773 v->data = r->connection->addr_text.data; |
| 499 | 774 |
| 573 | 775 return NGX_OK; |
| 499 | 776 } |
| 777 | |
| 778 | |
| 573 | 779 static ngx_int_t |
| 780 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 781 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 782 { |
| 573 | 783 ngx_uint_t port; |
| 784 struct sockaddr_in *sin; | |
| 509 | 785 |
| 573 | 786 v->len = 0; |
| 787 v->valid = 1; | |
| 1565 | 788 v->no_cacheable = 0; |
| 573 | 789 v->not_found = 0; |
| 509 | 790 |
| 573 | 791 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 792 if (v->data == NULL) { | |
| 793 return NGX_ERROR; | |
| 509 | 794 } |
| 795 | |
| 796 /* AF_INET only */ | |
| 577 | 797 |
| 509 | 798 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 799 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 800 |
| 509 | 801 port = ntohs(sin->sin_port); |
| 577 | 802 |
| 509 | 803 if (port > 0 && port < 65536) { |
| 573 | 804 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 805 } |
| 806 } | |
| 807 | |
| 573 | 808 return NGX_OK; |
| 509 | 809 } |
| 810 | |
| 811 | |
| 573 | 812 static ngx_int_t |
| 813 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 814 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 815 { |
| 1805 | 816 ngx_str_t s; |
| 499 | 817 |
| 1805 | 818 s.data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 819 if (s.data == NULL) { | |
| 573 | 820 return NGX_ERROR; |
| 509 | 821 } |
| 822 | |
| 1805 | 823 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 824 return NGX_ERROR; | |
| 509 | 825 } |
| 826 | |
| 1805 | 827 v->len = s.len; |
| 573 | 828 v->valid = 1; |
| 1565 | 829 v->no_cacheable = 0; |
| 573 | 830 v->not_found = 0; |
| 1805 | 831 v->data = s.data; |
| 499 | 832 |
| 573 | 833 return NGX_OK; |
| 499 | 834 } |
| 835 | |
| 836 | |
| 573 | 837 static ngx_int_t |
| 838 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 839 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 840 { |
| 573 | 841 v->len = r->port_text->len - 1; |
| 842 v->valid = 1; | |
| 1565 | 843 v->no_cacheable = 0; |
| 573 | 844 v->not_found = 0; |
| 845 v->data = r->port_text->data + 1; | |
| 509 | 846 |
| 573 | 847 return NGX_OK; |
| 509 | 848 } |
| 849 | |
| 850 | |
| 573 | 851 static ngx_int_t |
| 731 | 852 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 853 ngx_http_variable_value_t *v, uintptr_t data) | |
| 854 { | |
| 855 #if (NGX_HTTP_SSL) | |
| 856 | |
| 857 if (r->connection->ssl) { | |
| 858 v->len = sizeof("https") - 1; | |
| 859 v->valid = 1; | |
| 1565 | 860 v->no_cacheable = 0; |
| 731 | 861 v->not_found = 0; |
| 732 | 862 v->data = (u_char *) "https"; |
| 731 | 863 |
| 864 return NGX_OK; | |
| 865 } | |
| 866 | |
| 867 #endif | |
| 868 | |
| 869 v->len = sizeof("http") - 1; | |
| 870 v->valid = 1; | |
| 1565 | 871 v->no_cacheable = 0; |
| 731 | 872 v->not_found = 0; |
| 732 | 873 v->data = (u_char *) "http"; |
| 731 | 874 |
| 875 return NGX_OK; | |
| 876 } | |
| 877 | |
| 878 | |
| 879 static ngx_int_t | |
| 1351 | 880 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 881 ngx_http_variable_value_t *v, uintptr_t data) | |
| 882 { | |
| 883 v->valid = 1; | |
| 1565 | 884 v->no_cacheable = 0; |
| 1351 | 885 v->not_found = 0; |
| 886 | |
| 887 if (r->args.len == 0) { | |
| 888 v->len = 0; | |
| 889 v->data = NULL; | |
| 890 return NGX_OK; | |
| 891 } | |
| 892 | |
| 893 v->len = 1; | |
| 894 v->data = (u_char *) "?"; | |
| 895 | |
| 896 return NGX_OK; | |
| 897 } | |
| 898 | |
| 899 | |
| 900 static ngx_int_t | |
| 573 | 901 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 902 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 903 { |
| 671 | 904 ngx_str_t path; |
| 573 | 905 ngx_http_core_loc_conf_t *clcf; |
| 509 | 906 |
| 907 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 908 | |
| 671 | 909 if (clcf->root_lengths == NULL) { |
| 910 v->len = clcf->root.len; | |
| 911 v->valid = 1; | |
| 1565 | 912 v->no_cacheable = 0; |
| 671 | 913 v->not_found = 0; |
| 914 v->data = clcf->root.data; | |
| 915 | |
| 916 } else { | |
| 917 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 918 clcf->root_values->elts) | |
| 919 == NULL) | |
| 920 { | |
| 921 return NGX_ERROR; | |
| 922 } | |
| 923 | |
| 1352 | 924 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 925 == NGX_ERROR) | |
| 926 { | |
| 671 | 927 return NGX_ERROR; |
| 928 } | |
| 929 | |
| 930 v->len = path.len; | |
| 931 v->valid = 1; | |
| 1565 | 932 v->no_cacheable = 0; |
| 671 | 933 v->not_found = 0; |
| 934 v->data = path.data; | |
| 935 } | |
| 509 | 936 |
| 573 | 937 return NGX_OK; |
| 509 | 938 } |
| 939 | |
| 940 | |
| 573 | 941 static ngx_int_t |
| 942 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 943 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 944 { |
| 773 | 945 size_t root; |
| 573 | 946 ngx_str_t path; |
| 499 | 947 |
| 773 | 948 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 949 return NGX_ERROR; |
| 557 | 950 } |
| 509 | 951 |
| 557 | 952 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 953 |
| 573 | 954 v->len = path.len - 1; |
| 955 v->valid = 1; | |
| 1565 | 956 v->no_cacheable = 0; |
| 573 | 957 v->not_found = 0; |
| 958 v->data = path.data; | |
| 499 | 959 |
| 573 | 960 return NGX_OK; |
| 499 | 961 } |
| 962 | |
| 963 | |
| 573 | 964 static ngx_int_t |
| 1811 | 965 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 966 ngx_http_variable_value_t *v, uintptr_t data) | |
| 967 { | |
| 968 ngx_http_core_srv_conf_t *cscf; | |
| 969 | |
| 970 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 971 | |
| 972 v->len = cscf->server_name.len; | |
| 973 v->valid = 1; | |
| 974 v->no_cacheable = 0; | |
| 975 v->not_found = 0; | |
| 976 v->data = cscf->server_name.data; | |
| 977 | |
| 978 return NGX_OK; | |
| 979 } | |
| 980 | |
| 981 | |
| 982 static ngx_int_t | |
| 573 | 983 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 984 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 985 { |
| 647 | 986 if (r->main->method_name.data) { |
| 987 v->len = r->main->method_name.len; | |
| 573 | 988 v->valid = 1; |
| 1565 | 989 v->no_cacheable = 0; |
| 573 | 990 v->not_found = 0; |
| 647 | 991 v->data = r->main->method_name.data; |
| 573 | 992 |
| 993 } else { | |
| 994 v->not_found = 1; | |
| 561 | 995 } |
| 996 | |
| 573 | 997 return NGX_OK; |
| 561 | 998 } |
| 999 | |
| 1000 | |
| 573 | 1001 static ngx_int_t |
| 1002 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1003 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1004 { |
| 573 | 1005 ngx_int_t rc; |
| 539 | 1006 |
| 1007 rc = ngx_http_auth_basic_user(r); | |
| 1008 | |
| 1009 if (rc == NGX_DECLINED) { | |
| 573 | 1010 v->not_found = 1; |
| 1011 return NGX_OK; | |
| 539 | 1012 } |
| 1013 | |
| 1014 if (rc == NGX_ERROR) { | |
| 573 | 1015 return NGX_ERROR; |
| 539 | 1016 } |
| 1017 | |
| 573 | 1018 v->len = r->headers_in.user.len; |
| 1019 v->valid = 1; | |
| 1565 | 1020 v->no_cacheable = 0; |
| 573 | 1021 v->not_found = 0; |
| 1022 v->data = r->headers_in.user.data; | |
| 571 | 1023 |
| 573 | 1024 return NGX_OK; |
| 571 | 1025 } |
| 1026 | |
| 1027 | |
| 611 | 1028 static ngx_int_t |
| 1029 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1030 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1031 { | |
| 1032 off_t sent; | |
| 1033 u_char *p; | |
| 1034 | |
| 1035 sent = r->connection->sent - r->header_size; | |
| 1036 | |
| 1037 if (sent < 0) { | |
| 1038 sent = 0; | |
| 1039 } | |
| 1040 | |
| 1041 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1042 if (p == NULL) { | |
| 1043 return NGX_ERROR; | |
| 1044 } | |
| 1045 | |
| 1046 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1047 v->valid = 1; | |
| 1565 | 1048 v->no_cacheable = 0; |
| 611 | 1049 v->not_found = 0; |
| 1050 v->data = p; | |
| 1051 | |
| 1052 return NGX_OK; | |
| 1053 } | |
| 1054 | |
| 1055 | |
| 629 | 1056 static ngx_int_t |
| 641 | 1057 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1058 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1059 { | |
| 1060 if (r->headers_out.content_type.len) { | |
| 1061 v->len = r->headers_out.content_type.len; | |
| 1062 v->valid = 1; | |
| 1565 | 1063 v->no_cacheable = 0; |
| 641 | 1064 v->not_found = 0; |
| 1065 v->data = r->headers_out.content_type.data; | |
| 1066 | |
| 1067 } else { | |
| 1068 v->not_found = 1; | |
| 1069 } | |
| 1070 | |
| 1071 return NGX_OK; | |
| 1072 } | |
| 1073 | |
| 1074 | |
| 1075 static ngx_int_t | |
| 1076 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1077 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1078 { | |
| 1079 u_char *p; | |
| 1080 | |
| 1081 if (r->headers_out.content_length) { | |
| 1082 v->len = r->headers_out.content_length->value.len; | |
| 1083 v->valid = 1; | |
| 1565 | 1084 v->no_cacheable = 0; |
| 641 | 1085 v->not_found = 0; |
| 1086 v->data = r->headers_out.content_length->value.data; | |
| 1087 | |
| 1088 return NGX_OK; | |
| 1089 } | |
| 1090 | |
| 1091 if (r->headers_out.content_length_n >= 0) { | |
| 1092 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1093 if (p == NULL) { | |
| 1094 return NGX_ERROR; | |
| 1095 } | |
| 1096 | |
| 1097 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1098 v->valid = 1; | |
| 1565 | 1099 v->no_cacheable = 0; |
| 641 | 1100 v->not_found = 0; |
| 1101 v->data = p; | |
| 1102 | |
| 1103 return NGX_OK; | |
| 1104 } | |
| 1105 | |
| 1106 v->not_found = 1; | |
| 1107 | |
| 1108 return NGX_OK; | |
| 1109 } | |
| 1110 | |
| 1111 | |
| 1112 static ngx_int_t | |
| 1113 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1114 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1115 { | |
| 1116 u_char *p; | |
| 1117 | |
| 1118 if (r->headers_out.last_modified) { | |
| 1119 v->len = r->headers_out.last_modified->value.len; | |
| 1120 v->valid = 1; | |
| 1565 | 1121 v->no_cacheable = 0; |
| 641 | 1122 v->not_found = 0; |
| 1123 v->data = r->headers_out.last_modified->value.data; | |
| 1124 | |
| 1125 return NGX_OK; | |
| 1126 } | |
| 1127 | |
| 1128 if (r->headers_out.last_modified_time >= 0) { | |
| 1129 p = ngx_palloc(r->pool, | |
| 1130 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1131 if (p == NULL) { | |
| 1132 return NGX_ERROR; | |
| 1133 } | |
| 1134 | |
| 1135 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1136 v->valid = 1; | |
| 1565 | 1137 v->no_cacheable = 0; |
| 641 | 1138 v->not_found = 0; |
| 1139 v->data = p; | |
| 1140 | |
| 1141 return NGX_OK; | |
| 1142 } | |
| 1143 | |
| 1144 v->not_found = 1; | |
| 1145 | |
| 1146 return NGX_OK; | |
| 1147 } | |
| 1148 | |
| 1149 | |
| 1150 static ngx_int_t | |
| 1151 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1152 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1153 { | |
| 1154 size_t len; | |
| 1155 char *p; | |
| 1156 | |
| 1157 if (r->keepalive) { | |
| 1158 len = sizeof("keep-alive") - 1; | |
| 1159 p = "keep-alive"; | |
| 1160 | |
| 1161 } else { | |
| 1162 len = sizeof("close") - 1; | |
| 1163 p = "close"; | |
| 1164 } | |
| 1165 | |
| 1166 v->len = len; | |
| 1167 v->valid = 1; | |
| 1565 | 1168 v->no_cacheable = 0; |
| 641 | 1169 v->not_found = 0; |
| 1170 v->data = (u_char *) p; | |
| 1171 | |
| 1172 return NGX_OK; | |
| 1173 } | |
| 1174 | |
| 1175 | |
| 1176 static ngx_int_t | |
| 1177 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1178 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1179 { | |
| 1180 u_char *p; | |
| 1181 ngx_http_core_loc_conf_t *clcf; | |
| 1182 | |
| 1183 if (r->keepalive) { | |
| 1184 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1185 | |
| 1186 if (clcf->keepalive_header) { | |
| 1187 | |
| 1188 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1189 if (p == NULL) { | |
| 1190 return NGX_ERROR; | |
| 1191 } | |
| 1192 | |
| 1193 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1194 v->valid = 1; | |
| 1565 | 1195 v->no_cacheable = 0; |
| 641 | 1196 v->not_found = 0; |
| 1197 v->data = p; | |
| 1198 | |
| 1199 return NGX_OK; | |
| 1200 } | |
| 1201 } | |
| 1202 | |
| 1203 v->not_found = 1; | |
| 1204 | |
| 1205 return NGX_OK; | |
| 1206 } | |
| 1207 | |
| 1208 | |
| 1209 static ngx_int_t | |
| 1210 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1211 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1212 { | |
| 1213 if (r->chunked) { | |
| 1214 v->len = sizeof("chunked") - 1; | |
| 1215 v->valid = 1; | |
| 1565 | 1216 v->no_cacheable = 0; |
| 641 | 1217 v->not_found = 0; |
| 1218 v->data = (u_char *) "chunked"; | |
| 1219 | |
| 1220 } else { | |
| 1221 v->not_found = 1; | |
| 1222 } | |
| 1223 | |
| 1224 return NGX_OK; | |
| 1225 } | |
| 1226 | |
| 1227 | |
| 1228 static ngx_int_t | |
| 629 | 1229 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1230 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1231 { | |
| 1232 if (r->request_complete) { | |
| 1233 v->len = 2; | |
| 1234 v->valid = 1; | |
| 1565 | 1235 v->no_cacheable = 0; |
| 629 | 1236 v->not_found = 0; |
| 1237 v->data = (u_char *) "OK"; | |
| 1238 | |
| 1239 return NGX_OK; | |
| 1240 } | |
| 1241 | |
| 1242 v->len = 0; | |
| 1243 v->valid = 1; | |
| 1565 | 1244 v->no_cacheable = 0; |
| 629 | 1245 v->not_found = 0; |
| 1246 v->data = (u_char *) ""; | |
| 1247 | |
| 1248 return NGX_OK; | |
| 1249 } | |
| 1250 | |
| 1251 | |
| 759 | 1252 static ngx_int_t |
| 1253 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1254 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1255 { | |
| 1256 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
|
1257 v->not_found = 1; |
| 759 | 1258 |
| 1259 return NGX_OK; | |
| 1260 } | |
| 1261 | |
| 1262 v->len = r->request_body->temp_file->file.name.len; | |
| 1263 v->valid = 1; | |
| 1565 | 1264 v->no_cacheable = 0; |
| 759 | 1265 v->not_found = 0; |
| 1266 v->data = r->request_body->temp_file->file.name.data; | |
| 1267 | |
| 1268 return NGX_OK; | |
| 1269 } | |
| 1270 | |
| 1271 | |
| 1329 | 1272 static ngx_int_t |
| 1273 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1274 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1275 { | |
| 1276 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1277 v->valid = 1; | |
| 1565 | 1278 v->no_cacheable = 0; |
| 1329 | 1279 v->not_found = 0; |
| 1280 v->data = (u_char *) NGINX_VERSION; | |
| 1281 | |
| 1282 return NGX_OK; | |
| 1283 } | |
| 1284 | |
| 1285 | |
| 499 | 1286 ngx_int_t |
| 509 | 1287 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1288 { |
| 611 | 1289 ngx_int_t rc; |
| 1290 ngx_http_variable_t *v; | |
| 501 | 1291 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1292 |
| 509 | 1293 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1294 | |
| 611 | 1295 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1296 sizeof(ngx_hash_keys_arrays_t)); | |
| 1297 if (cmcf->variables_keys == NULL) { | |
| 1298 return NGX_ERROR; | |
| 1299 } | |
| 1300 | |
| 1301 cmcf->variables_keys->pool = cf->pool; | |
| 1302 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1303 | |
| 1304 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1305 != NGX_OK) | |
| 509 | 1306 { |
| 499 | 1307 return NGX_ERROR; |
| 1308 } | |
| 1309 | |
| 611 | 1310 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1311 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1312 NGX_HASH_READONLY_KEY); | |
| 1313 | |
| 1314 if (rc == NGX_OK) { | |
| 1315 continue; | |
| 499 | 1316 } |
| 1317 | |
| 611 | 1318 if (rc == NGX_BUSY) { |
| 1319 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1320 "conflicting variable name \"%V\"", &v->name); | |
| 1321 } | |
| 1322 | |
| 1323 return NGX_ERROR; | |
| 499 | 1324 } |
| 1325 | |
| 1326 return NGX_OK; | |
| 1327 } | |
| 509 | 1328 |
| 1329 | |
| 1330 ngx_int_t | |
| 1331 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1332 { | |
| 1333 ngx_uint_t i, n; | |
| 611 | 1334 ngx_hash_key_t *key; |
| 1335 ngx_hash_init_t hash; | |
| 509 | 1336 ngx_http_variable_t *v, *av; |
| 1337 ngx_http_core_main_conf_t *cmcf; | |
| 1338 | |
| 1339 /* set the handlers for the indexed http variables */ | |
| 1340 | |
| 1341 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1342 | |
| 1343 v = cmcf->variables.elts; | |
| 611 | 1344 key = cmcf->variables_keys->keys.elts; |
| 509 | 1345 |
| 1346 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1347 | |
| 611 | 1348 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1349 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1350 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1351 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1352 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1353 && v[i].name.len == key[n].key.len |
| 611 | 1354 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1355 == 0) |
| 1356 { | |
| 637 | 1357 v[i].get_handler = av->get_handler; |
| 611 | 1358 v[i].data = av->data; |
| 527 | 1359 |
| 611 | 1360 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1361 v[i].flags = av->flags; | |
| 509 | 1362 |
| 611 | 1363 av->index = i; |
| 533 | 1364 |
| 509 | 1365 goto next; |
| 1366 } | |
| 1367 } | |
| 1368 | |
| 1369 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1370 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1371 v[i].data = (uintptr_t) &v[i].name; |
| 1372 | |
| 1373 continue; | |
| 1374 } | |
| 1375 | |
| 1376 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1377 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1378 v[i].data = (uintptr_t) &v[i].name; |
| 1379 | |
| 1380 continue; | |
| 1381 } | |
| 1382 | |
| 1162 | 1383 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1384 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1385 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1386 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1387 |
| 1388 continue; | |
| 1389 } | |
| 1390 | |
| 509 | 1391 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1392 "unknown \"%V\" variable", &v[i].name); | |
| 1393 | |
| 1394 return NGX_ERROR; | |
| 1395 | |
| 1396 next: | |
| 1397 continue; | |
| 1398 } | |
| 1399 | |
| 1400 | |
| 611 | 1401 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1402 av = key[n].value; | |
| 1403 | |
| 1404 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1405 key[n].key.data = NULL; | |
| 583 | 1406 } |
| 1407 } | |
| 1408 | |
| 1409 | |
| 611 | 1410 hash.hash = &cmcf->variables_hash; |
| 1411 hash.key = ngx_hash_key; | |
| 1412 hash.max_size = cmcf->variables_hash_max_size; | |
| 1413 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1414 hash.name = "variables_hash"; | |
| 1415 hash.pool = cf->pool; | |
| 1416 hash.temp_pool = NULL; | |
| 509 | 1417 |
| 611 | 1418 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1419 cmcf->variables_keys->keys.nelts) | |
| 581 | 1420 != NGX_OK) |
| 509 | 1421 { |
| 1422 return NGX_ERROR; | |
| 1423 } | |
| 1424 | |
| 611 | 1425 cmcf->variables_keys = NULL; |
| 509 | 1426 |
| 1427 return NGX_OK; | |
| 1428 } |