Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2259:0864138899f1
$realpath_root
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sat, 27 Sep 2008 11:53:41 +0000 |
| parents | 852fe29e6446 |
| children | 4b98aa04ee24 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2137 | 28 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 29 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 30 |
| 573 | 31 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 32 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
|
33 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
|
34 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 35 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 36 ngx_http_variable_value_t *v, uintptr_t data); | |
| 37 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 43 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 45 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 47 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 49 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 51 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 53 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 55 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 57 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 59 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 61 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 63 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 65 |
| 641 | 66 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 67 ngx_http_variable_value_t *v, uintptr_t data); | |
| 68 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 70 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 72 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
| 74 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 | |
| 1329 | 79 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 80 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 81 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 82 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 83 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 85 |
| 509 | 86 /* |
| 87 * TODO: | |
| 88 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 89 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 90 * SERVER_SOFTWARE | |
| 91 * | |
| 571 | 92 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 93 */ |
| 499 | 94 |
| 641 | 95 /* |
| 96 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 97 * and $http_x_forwarded_for variables may be handled by generic | |
| 98 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 99 * they are handled using dedicated entries | |
| 100 */ | |
| 101 | |
| 509 | 102 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 103 | |
| 637 | 104 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 105 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 106 |
| 637 | 107 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 108 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 109 |
| 637 | 110 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 111 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 112 |
| 113 #if (NGX_HTTP_GZIP) | |
| 637 | 114 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 116 #endif |
| 117 | |
|
1113
f1d7cf0f68e3
optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
|
118 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 119 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 120 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 121 #endif |
| 122 | |
| 637 | 123 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 124 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 125 |
| 637 | 126 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 127 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 128 |
| 637 | 129 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 130 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 131 |
| 637 | 132 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 133 |
| 982 | 134 { ngx_string("binary_remote_addr"), NULL, |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
135 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 136 |
| 637 | 137 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 138 |
| 637 | 139 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 140 |
| 637 | 141 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 142 |
| 637 | 143 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 144 |
| 637 | 145 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 146 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 147 |
| 731 | 148 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 149 | |
| 637 | 150 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 151 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 152 |
| 637 | 153 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 154 offsetof(ngx_http_request_t, uri), | |
| 1565 | 155 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 156 |
| 157 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 158 offsetof(ngx_http_request_t, uri), |
| 1565 | 159 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 160 |
| 637 | 161 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 162 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 163 | |
| 637 | 164 { ngx_string("document_root"), NULL, |
| 1565 | 165 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 166 |
| 2259 | 167 { ngx_string("realpath_root"), NULL, |
| 168 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 169 | |
| 637 | 170 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 171 offsetof(ngx_http_request_t, args), |
| 1565 | 172 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 173 |
| 1350 | 174 { ngx_string("args"), |
| 175 ngx_http_variable_request_set, | |
| 176 ngx_http_variable_request, | |
| 589 | 177 offsetof(ngx_http_request_t, args), |
| 1565 | 178 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 179 |
| 1351 | 180 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 181 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 182 |
| 637 | 183 { ngx_string("request_filename"), NULL, |
| 184 ngx_http_variable_request_filename, 0, | |
| 1565 | 185 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 186 |
| 1811 | 187 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 188 |
| 637 | 189 { ngx_string("request_method"), NULL, |
| 190 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 191 |
| 637 | 192 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 193 |
| 637 | 194 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 195 0, 0, 0 }, |
| 196 | |
| 637 | 197 { ngx_string("request_completion"), NULL, |
| 198 ngx_http_variable_request_completion, | |
| 629 | 199 0, 0, 0 }, |
| 200 | |
| 759 | 201 { ngx_string("request_body_file"), NULL, |
| 202 ngx_http_variable_request_body_file, | |
| 203 0, 0, 0 }, | |
| 204 | |
| 641 | 205 { ngx_string("sent_http_content_type"), NULL, |
| 206 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 207 | |
| 208 { ngx_string("sent_http_content_length"), NULL, | |
| 209 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 210 | |
| 211 { ngx_string("sent_http_last_modified"), NULL, | |
| 212 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 213 | |
| 214 { ngx_string("sent_http_connection"), NULL, | |
| 215 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 216 | |
| 217 { ngx_string("sent_http_keep_alive"), NULL, | |
| 218 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 219 | |
| 220 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 221 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 222 | |
| 223 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 224 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 225 | |
| 637 | 226 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 227 ngx_http_variable_request, | |
| 228 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 229 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 230 |
| 1329 | 231 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 232 0, 0, 0 }, | |
| 233 | |
| 2011 | 234 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 235 0, 0, 0 }, | |
| 236 | |
| 2249 | 237 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 238 0, 0, 0 }, | |
| 239 | |
| 637 | 240 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 241 }; |
| 242 | |
| 243 | |
| 577 | 244 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 245 ngx_http_variable(""); | |
| 246 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 247 ngx_http_variable("1"); | |
| 248 | |
| 249 | |
| 499 | 250 ngx_http_variable_t * |
| 509 | 251 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 252 { | |
| 611 | 253 ngx_int_t rc; |
| 509 | 254 ngx_uint_t i; |
| 611 | 255 ngx_hash_key_t *key; |
| 509 | 256 ngx_http_variable_t *v; |
| 257 ngx_http_core_main_conf_t *cmcf; | |
| 258 | |
| 259 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 260 | |
| 611 | 261 key = cmcf->variables_keys->keys.elts; |
| 262 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 263 if (name->len != key[i].key.len | |
| 264 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 265 { |
| 266 continue; | |
| 267 } | |
| 268 | |
| 611 | 269 v = key[i].value; |
| 270 | |
| 1565 | 271 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 272 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 273 "the duplicate \"%V\" variable", name); | |
| 274 return NULL; | |
| 275 } | |
| 276 | |
| 611 | 277 return v; |
| 509 | 278 } |
| 279 | |
| 611 | 280 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 281 if (v == NULL) { |
| 282 return NULL; | |
| 283 } | |
| 284 | |
| 285 v->name.len = name->len; | |
| 2049 | 286 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 287 if (v->name.data == NULL) { |
| 288 return NULL; | |
| 289 } | |
| 290 | |
| 2135 | 291 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 292 |
| 637 | 293 v->set_handler = NULL; |
| 294 v->get_handler = NULL; | |
| 509 | 295 v->data = 0; |
| 296 v->flags = flags; | |
| 533 | 297 v->index = 0; |
| 509 | 298 |
| 611 | 299 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 300 | |
| 301 if (rc == NGX_ERROR) { | |
| 302 return NULL; | |
| 303 } | |
| 304 | |
| 305 if (rc == NGX_BUSY) { | |
| 306 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 307 "conflicting variable name \"%V\"", name); | |
| 308 return NULL; | |
| 309 } | |
| 310 | |
| 509 | 311 return v; |
| 312 } | |
| 313 | |
| 314 | |
| 315 ngx_int_t | |
| 316 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 317 { |
| 501 | 318 ngx_uint_t i; |
| 319 ngx_http_variable_t *v; | |
| 499 | 320 ngx_http_core_main_conf_t *cmcf; |
| 321 | |
| 322 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 323 | |
| 501 | 324 v = cmcf->variables.elts; |
| 325 | |
| 326 if (v == NULL) { | |
| 499 | 327 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 328 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 329 { | |
| 509 | 330 return NGX_ERROR; |
| 499 | 331 } |
| 501 | 332 |
| 333 } else { | |
| 334 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 335 if (name->len != v[i].name.len | |
| 336 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 337 { | |
| 338 continue; | |
| 339 } | |
| 340 | |
| 509 | 341 return i; |
| 501 | 342 } |
| 499 | 343 } |
| 344 | |
| 501 | 345 v = ngx_array_push(&cmcf->variables); |
| 346 if (v == NULL) { | |
| 509 | 347 return NGX_ERROR; |
| 499 | 348 } |
| 349 | |
| 501 | 350 v->name.len = name->len; |
| 2049 | 351 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 352 if (v->name.data == NULL) { |
| 509 | 353 return NGX_ERROR; |
| 501 | 354 } |
| 499 | 355 |
| 2135 | 356 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 357 |
| 637 | 358 v->set_handler = NULL; |
| 359 v->get_handler = NULL; | |
| 501 | 360 v->data = 0; |
| 509 | 361 v->flags = 0; |
| 533 | 362 v->index = cmcf->variables.nelts - 1; |
| 501 | 363 |
| 509 | 364 return cmcf->variables.nelts - 1; |
| 499 | 365 } |
| 366 | |
| 367 | |
| 368 ngx_http_variable_value_t * | |
| 369 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 370 { | |
| 501 | 371 ngx_http_variable_t *v; |
| 499 | 372 ngx_http_core_main_conf_t *cmcf; |
| 373 | |
| 374 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 375 | |
| 553 | 376 if (cmcf->variables.nelts <= index) { |
| 499 | 377 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 378 "unknown variable index: %d", index); | |
| 379 return NULL; | |
| 380 } | |
| 381 | |
| 573 | 382 if (r->variables[index].not_found || r->variables[index].valid) { |
| 383 return &r->variables[index]; | |
| 501 | 384 } |
| 499 | 385 |
| 501 | 386 v = cmcf->variables.elts; |
| 499 | 387 |
| 637 | 388 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 389 == NGX_OK) | |
| 390 { | |
| 1565 | 391 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 392 r->variables[index].no_cacheable = 1; | |
| 499 | 393 } |
| 573 | 394 |
| 395 return &r->variables[index]; | |
| 499 | 396 } |
| 397 | |
| 657 | 398 r->variables[index].valid = 0; |
| 399 r->variables[index].not_found = 1; | |
| 400 | |
| 798 | 401 return NULL; |
| 573 | 402 } |
| 403 | |
| 404 | |
| 405 ngx_http_variable_value_t * | |
| 406 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 407 { | |
| 1150 | 408 ngx_http_variable_value_t *v; |
| 573 | 409 |
| 410 v = &r->variables[index]; | |
| 411 | |
| 412 if (v->valid) { | |
| 1565 | 413 if (!v->no_cacheable) { |
| 573 | 414 return v; |
| 415 } | |
| 416 | |
| 417 v->valid = 0; | |
| 418 v->not_found = 0; | |
| 509 | 419 } |
| 501 | 420 |
| 573 | 421 return ngx_http_get_indexed_variable(r, index); |
| 499 | 422 } |
| 423 | |
| 424 | |
| 425 ngx_http_variable_value_t * | |
| 635 | 426 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 427 ngx_uint_t nowarn) | |
| 499 | 428 { |
| 501 | 429 ngx_http_variable_t *v; |
| 573 | 430 ngx_http_variable_value_t *vv; |
| 499 | 431 ngx_http_core_main_conf_t *cmcf; |
| 432 | |
| 433 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 434 | |
| 611 | 435 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 436 |
| 611 | 437 if (v) { |
| 438 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 439 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 440 |
| 441 } else { | |
| 499 | 442 |
| 573 | 443 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 444 |
| 637 | 445 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 446 return vv; |
| 447 } | |
| 509 | 448 |
| 573 | 449 return NULL; |
| 450 } | |
| 509 | 451 } |
| 452 | |
| 453 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 454 if (vv == NULL) { | |
| 455 return NULL; | |
| 456 } | |
| 457 | |
| 573 | 458 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 459 |
| 577 | 460 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 461 == NGX_OK) | |
| 462 { | |
| 463 return vv; | |
| 464 } | |
| 465 | |
| 466 return NULL; | |
| 467 } | |
| 468 | |
| 469 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 470 | |
| 471 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 472 == NGX_OK) | |
| 573 | 473 { |
| 474 return vv; | |
| 475 } | |
| 499 | 476 |
| 477 return NULL; | |
| 478 } | |
| 479 | |
| 1162 | 480 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 481 | |
| 482 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 483 == NGX_OK) | |
| 484 { | |
| 485 return vv; | |
| 486 } | |
| 487 | |
| 488 return NULL; | |
| 489 } | |
| 490 | |
| 2137 | 491 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 492 | |
| 493 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 494 return vv; | |
| 495 } | |
| 496 | |
| 497 return NULL; | |
| 498 } | |
| 499 | |
| 635 | 500 vv->not_found = 1; |
| 573 | 501 |
| 635 | 502 if (nowarn == 0) { |
| 503 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 504 "unknown \"%V\" variable", name); | |
| 505 } | |
| 499 | 506 |
| 501 | 507 return vv; |
| 499 | 508 } |
| 509 | |
| 510 | |
| 573 | 511 static ngx_int_t |
| 512 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 513 uintptr_t data) | |
| 514 { | |
| 515 ngx_str_t *s; | |
| 516 | |
| 517 s = (ngx_str_t *) ((char *) r + data); | |
| 518 | |
| 519 if (s->data) { | |
| 520 v->len = s->len; | |
| 521 v->valid = 1; | |
| 1565 | 522 v->no_cacheable = 0; |
| 573 | 523 v->not_found = 0; |
| 524 v->data = s->data; | |
| 525 | |
| 526 } else { | |
| 527 v->not_found = 1; | |
| 528 } | |
| 529 | |
| 530 return NGX_OK; | |
| 531 } | |
| 532 | |
| 533 | |
| 637 | 534 static void |
| 1350 | 535 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 536 ngx_http_variable_value_t *v, uintptr_t data) | |
| 537 { | |
| 538 ngx_str_t *s; | |
| 539 | |
| 540 s = (ngx_str_t *) ((char *) r + data); | |
| 541 | |
| 542 s->len = v->len; | |
| 543 s->data = v->data; | |
| 544 } | |
| 545 | |
| 546 | |
| 547 static void | |
| 637 | 548 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 549 ngx_http_variable_value_t *v, uintptr_t data) | |
| 550 { | |
| 551 ssize_t s, *sp; | |
| 552 ngx_str_t val; | |
| 553 | |
|
1310
33d6c994a0b2
Sun Studio on sparc uses different bit order
Igor Sysoev <igor@sysoev.ru>
parents:
1191
diff
changeset
|
554 val.len = v->len; |
| 637 | 555 val.data = v->data; |
| 556 | |
| 557 s = ngx_parse_size(&val); | |
| 558 | |
| 559 if (s == NGX_ERROR) { | |
| 560 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 561 "invalid size \"%V\"", &val); | |
| 562 return; | |
| 563 } | |
| 564 | |
| 565 sp = (ssize_t *) ((char *) r + data); | |
| 566 | |
| 567 *sp = s; | |
| 568 | |
| 569 return; | |
| 570 } | |
| 571 | |
| 572 | |
| 573 | 573 static ngx_int_t |
| 574 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 575 uintptr_t data) | |
| 515 | 576 { |
| 573 | 577 ngx_table_elt_t *h; |
| 578 | |
| 579 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 580 | |
| 581 if (h) { | |
| 582 v->len = h->value.len; | |
| 583 v->valid = 1; | |
| 1565 | 584 v->no_cacheable = 0; |
| 573 | 585 v->not_found = 0; |
| 586 v->data = h->value.data; | |
| 587 | |
| 588 } else { | |
| 589 v->not_found = 1; | |
| 590 } | |
| 591 | |
| 592 return NGX_OK; | |
| 593 } | |
| 594 | |
| 595 | |
| 596 static ngx_int_t | |
| 597 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 598 uintptr_t data) | |
| 599 { | |
| 667 | 600 ssize_t len; |
| 573 | 601 u_char *p; |
| 667 | 602 ngx_uint_t i, n; |
| 573 | 603 ngx_array_t *a; |
| 604 ngx_table_elt_t **h; | |
| 515 | 605 |
| 606 a = (ngx_array_t *) ((char *) r + data); | |
| 607 | |
| 667 | 608 n = a->nelts; |
| 609 | |
| 610 if (n == 0) { | |
| 573 | 611 v->not_found = 1; |
| 612 return NGX_OK; | |
| 515 | 613 } |
| 614 | |
| 573 | 615 v->valid = 1; |
| 1565 | 616 v->no_cacheable = 0; |
| 573 | 617 v->not_found = 0; |
| 515 | 618 |
| 619 h = a->elts; | |
| 620 | |
| 667 | 621 if (n == 1) { |
| 573 | 622 v->len = (*h)->value.len; |
| 623 v->data = (*h)->value.data; | |
| 515 | 624 |
| 573 | 625 return NGX_OK; |
| 515 | 626 } |
| 627 | |
| 667 | 628 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 629 |
| 667 | 630 for (i = 0; i < n; i++) { |
| 573 | 631 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 632 } |
| 633 | |
| 2049 | 634 p = ngx_pnalloc(r->pool, len); |
| 573 | 635 if (p == NULL) { |
| 636 return NGX_ERROR; | |
| 637 } | |
| 638 | |
| 639 v->len = len; | |
| 640 v->data = p; | |
| 515 | 641 |
| 642 for (i = 0; /* void */ ; i++) { | |
| 573 | 643 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 644 |
| 667 | 645 if (i == n - 1) { |
| 515 | 646 break; |
| 647 } | |
| 648 | |
| 649 *p++ = ';'; *p++ = ' '; | |
| 650 } | |
| 651 | |
| 573 | 652 return NGX_OK; |
| 515 | 653 } |
| 654 | |
| 655 | |
| 573 | 656 static ngx_int_t |
| 577 | 657 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 658 ngx_http_variable_value_t *v, uintptr_t data) | |
| 659 { | |
| 660 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 661 &r->headers_in.headers.part, | |
| 662 sizeof("http_") - 1); | |
| 663 } | |
| 664 | |
| 665 | |
| 666 static ngx_int_t | |
| 667 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 668 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 669 { |
| 577 | 670 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 671 &r->headers_out.headers.part, | |
| 672 sizeof("sent_http_") - 1); | |
| 673 } | |
| 501 | 674 |
| 577 | 675 |
| 1162 | 676 ngx_int_t |
| 577 | 677 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 678 ngx_list_part_t *part, size_t prefix) | |
| 679 { | |
| 573 | 680 u_char ch; |
| 681 ngx_uint_t i, n; | |
| 682 ngx_table_elt_t *header; | |
| 499 | 683 |
| 684 header = part->elts; | |
| 685 | |
| 686 for (i = 0; /* void */ ; i++) { | |
| 687 | |
| 688 if (i >= part->nelts) { | |
| 689 if (part->next == NULL) { | |
| 690 break; | |
| 691 } | |
| 692 | |
| 693 part = part->next; | |
| 694 header = part->elts; | |
| 695 i = 0; | |
| 696 } | |
| 697 | |
| 577 | 698 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 699 ch = header[i].key.data[n]; |
| 700 | |
| 509 | 701 if (ch >= 'A' && ch <= 'Z') { |
| 702 ch |= 0x20; | |
| 499 | 703 |
| 704 } else if (ch == '-') { | |
| 705 ch = '_'; | |
| 706 } | |
| 707 | |
| 577 | 708 if (var->data[n + prefix] != ch) { |
| 499 | 709 break; |
| 710 } | |
| 711 } | |
| 712 | |
|
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
Igor Sysoev <igor@sysoev.ru>
parents:
732
diff
changeset
|
713 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 714 v->len = header[i].value.len; |
| 715 v->valid = 1; | |
| 1565 | 716 v->no_cacheable = 0; |
| 573 | 717 v->not_found = 0; |
| 718 v->data = header[i].value.data; | |
| 499 | 719 |
| 573 | 720 return NGX_OK; |
| 499 | 721 } |
| 722 } | |
| 723 | |
| 573 | 724 v->not_found = 1; |
| 725 | |
| 726 return NGX_OK; | |
| 509 | 727 } |
| 728 | |
| 729 | |
| 573 | 730 static ngx_int_t |
| 2137 | 731 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 732 uintptr_t data) | |
| 733 { | |
| 734 ngx_str_t *name = (ngx_str_t *) data; | |
| 735 | |
| 736 u_char *p, *arg; | |
| 737 size_t len; | |
| 738 | |
| 739 if (r->args.len == 0) { | |
| 740 v->not_found = 1; | |
| 741 return NGX_OK; | |
| 742 } | |
| 743 | |
| 744 len = name->len - 1 - (sizeof("arg_") - 1); | |
| 745 arg = name->data + sizeof("arg_") - 1; | |
| 746 | |
| 747 for (p = r->args.data; *p && *p != ' '; p++) { | |
| 748 | |
| 749 /* | |
| 750 * although r->args.data is not null-terminated by itself, | |
| 751 * however, there is null in the end of request line | |
| 752 */ | |
| 753 | |
| 754 p = ngx_strcasestrn(p, (char *) arg, len); | |
| 755 | |
| 756 if (p == NULL) { | |
| 757 v->not_found = 1; | |
| 758 return NGX_OK; | |
| 759 } | |
| 760 | |
| 761 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
| 762 | |
| 763 v->data = p + len + 2; | |
| 764 | |
| 765 p = (u_char *) ngx_strchr(p, '&'); | |
| 766 | |
| 767 if (p == NULL) { | |
| 768 p = r->args.data + r->args.len; | |
| 769 } | |
| 770 | |
| 771 v->len = p - v->data; | |
| 772 v->valid = 1; | |
| 773 v->no_cacheable = 0; | |
| 774 v->not_found = 0; | |
| 775 | |
| 776 return NGX_OK; | |
| 777 } | |
| 778 } | |
| 779 | |
| 780 v->not_found = 1; | |
| 781 | |
| 782 return NGX_OK; | |
| 783 } | |
| 784 | |
| 785 | |
| 786 static ngx_int_t | |
| 573 | 787 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 788 uintptr_t data) | |
| 509 | 789 { |
| 1811 | 790 ngx_http_core_srv_conf_t *cscf; |
| 791 | |
|
2007
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
792 if (r->headers_in.server.len) { |
|
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
793 v->len = r->headers_in.server.len; |
|
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
794 v->data = r->headers_in.server.data; |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
795 |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
796 } else { |
|
2007
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
797 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
798 |
|
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
799 v->len = cscf->server_name.len; |
|
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
800 v->data = cscf->server_name.data; |
| 509 | 801 } |
| 802 | |
| 573 | 803 v->valid = 1; |
| 1565 | 804 v->no_cacheable = 0; |
| 573 | 805 v->not_found = 0; |
| 509 | 806 |
| 573 | 807 return NGX_OK; |
| 499 | 808 } |
| 809 | |
| 810 | |
| 573 | 811 static ngx_int_t |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
812 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 813 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 814 { |
| 982 | 815 struct sockaddr_in *sin; |
| 816 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
817 /* AF_INET only */ |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
818 |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
819 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 820 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
821 v->len = sizeof(in_addr_t); |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
822 v->valid = 1; |
| 1565 | 823 v->no_cacheable = 0; |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
824 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
825 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 826 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
827 return NGX_OK; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
828 } |
| 982 | 829 |
| 830 | |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
831 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
832 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
|
833 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
|
834 { |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
835 v->len = r->connection->addr_text.len; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
836 v->valid = 1; |
| 1565 | 837 v->no_cacheable = 0; |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
838 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
839 v->data = r->connection->addr_text.data; |
| 499 | 840 |
| 573 | 841 return NGX_OK; |
| 499 | 842 } |
| 843 | |
| 844 | |
| 573 | 845 static ngx_int_t |
| 846 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 847 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 848 { |
| 573 | 849 ngx_uint_t port; |
| 850 struct sockaddr_in *sin; | |
| 509 | 851 |
| 573 | 852 v->len = 0; |
| 853 v->valid = 1; | |
| 1565 | 854 v->no_cacheable = 0; |
| 573 | 855 v->not_found = 0; |
| 509 | 856 |
| 2049 | 857 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 858 if (v->data == NULL) { |
| 859 return NGX_ERROR; | |
| 509 | 860 } |
| 861 | |
| 862 /* AF_INET only */ | |
| 577 | 863 |
| 509 | 864 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 865 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 866 |
| 509 | 867 port = ntohs(sin->sin_port); |
| 577 | 868 |
| 509 | 869 if (port > 0 && port < 65536) { |
| 573 | 870 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 871 } |
| 872 } | |
| 873 | |
| 573 | 874 return NGX_OK; |
| 509 | 875 } |
| 876 | |
| 877 | |
| 573 | 878 static ngx_int_t |
| 879 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 880 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 881 { |
| 1805 | 882 ngx_str_t s; |
| 499 | 883 |
|
2197
74477ea8074f
*) remove zero termination in ngx_inet_ntop() and ngx_sock_ntop()
Igor Sysoev <igor@sysoev.ru>
parents:
2137
diff
changeset
|
884 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
| 1805 | 885 if (s.data == NULL) { |
| 573 | 886 return NGX_ERROR; |
| 509 | 887 } |
| 888 | |
| 1805 | 889 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 890 return NGX_ERROR; | |
| 509 | 891 } |
| 892 | |
| 1805 | 893 v->len = s.len; |
| 573 | 894 v->valid = 1; |
| 1565 | 895 v->no_cacheable = 0; |
| 573 | 896 v->not_found = 0; |
| 1805 | 897 v->data = s.data; |
| 499 | 898 |
| 573 | 899 return NGX_OK; |
| 499 | 900 } |
| 901 | |
| 902 | |
| 573 | 903 static ngx_int_t |
| 904 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 905 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 906 { |
| 573 | 907 v->len = r->port_text->len - 1; |
| 908 v->valid = 1; | |
| 1565 | 909 v->no_cacheable = 0; |
| 573 | 910 v->not_found = 0; |
| 911 v->data = r->port_text->data + 1; | |
| 509 | 912 |
| 573 | 913 return NGX_OK; |
| 509 | 914 } |
| 915 | |
| 916 | |
| 573 | 917 static ngx_int_t |
| 731 | 918 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 919 ngx_http_variable_value_t *v, uintptr_t data) | |
| 920 { | |
| 921 #if (NGX_HTTP_SSL) | |
| 922 | |
| 923 if (r->connection->ssl) { | |
| 924 v->len = sizeof("https") - 1; | |
| 925 v->valid = 1; | |
| 1565 | 926 v->no_cacheable = 0; |
| 731 | 927 v->not_found = 0; |
| 732 | 928 v->data = (u_char *) "https"; |
| 731 | 929 |
| 930 return NGX_OK; | |
| 931 } | |
| 932 | |
| 933 #endif | |
| 934 | |
| 935 v->len = sizeof("http") - 1; | |
| 936 v->valid = 1; | |
| 1565 | 937 v->no_cacheable = 0; |
| 731 | 938 v->not_found = 0; |
| 732 | 939 v->data = (u_char *) "http"; |
| 731 | 940 |
| 941 return NGX_OK; | |
| 942 } | |
| 943 | |
| 944 | |
| 945 static ngx_int_t | |
| 1351 | 946 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 947 ngx_http_variable_value_t *v, uintptr_t data) | |
| 948 { | |
| 949 v->valid = 1; | |
| 1565 | 950 v->no_cacheable = 0; |
| 1351 | 951 v->not_found = 0; |
| 952 | |
| 953 if (r->args.len == 0) { | |
| 954 v->len = 0; | |
| 955 v->data = NULL; | |
| 956 return NGX_OK; | |
| 957 } | |
| 958 | |
| 959 v->len = 1; | |
| 960 v->data = (u_char *) "?"; | |
| 961 | |
| 962 return NGX_OK; | |
| 963 } | |
| 964 | |
| 965 | |
| 966 static ngx_int_t | |
| 573 | 967 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 968 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 969 { |
| 671 | 970 ngx_str_t path; |
| 573 | 971 ngx_http_core_loc_conf_t *clcf; |
| 509 | 972 |
| 973 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 974 | |
| 671 | 975 if (clcf->root_lengths == NULL) { |
| 976 v->len = clcf->root.len; | |
| 977 v->valid = 1; | |
| 1565 | 978 v->no_cacheable = 0; |
| 671 | 979 v->not_found = 0; |
| 980 v->data = clcf->root.data; | |
| 981 | |
| 982 } else { | |
| 983 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 984 clcf->root_values->elts) | |
| 985 == NULL) | |
| 986 { | |
| 987 return NGX_ERROR; | |
| 988 } | |
| 989 | |
| 1352 | 990 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 991 == NGX_ERROR) | |
| 992 { | |
| 671 | 993 return NGX_ERROR; |
| 994 } | |
| 995 | |
| 996 v->len = path.len; | |
| 997 v->valid = 1; | |
| 1565 | 998 v->no_cacheable = 0; |
| 671 | 999 v->not_found = 0; |
| 1000 v->data = path.data; | |
| 1001 } | |
| 509 | 1002 |
| 573 | 1003 return NGX_OK; |
| 509 | 1004 } |
| 1005 | |
| 1006 | |
| 573 | 1007 static ngx_int_t |
| 2259 | 1008 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1009 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1010 { | |
| 1011 size_t len; | |
| 1012 ngx_str_t path; | |
| 1013 ngx_http_core_loc_conf_t *clcf; | |
| 1014 u_char real[NGX_MAX_PATH]; | |
| 1015 | |
| 1016 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1017 | |
| 1018 if (clcf->root_lengths == NULL) { | |
| 1019 path = clcf->root; | |
| 1020 | |
| 1021 } else { | |
| 1022 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1023 clcf->root_values->elts) | |
| 1024 == NULL) | |
| 1025 { | |
| 1026 return NGX_ERROR; | |
| 1027 } | |
| 1028 | |
| 1029 path.data[path.len - 1] = '\0'; | |
| 1030 | |
| 1031 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
| 1032 == NGX_ERROR) | |
| 1033 { | |
| 1034 return NGX_ERROR; | |
| 1035 } | |
| 1036 } | |
| 1037 | |
| 1038 if (ngx_realpath(path.data, real) == NULL) { | |
| 1039 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1040 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1041 return NGX_ERROR; | |
| 1042 } | |
| 1043 | |
| 1044 len = ngx_strlen(real); | |
| 1045 | |
| 1046 v->data = ngx_pnalloc(r->pool, len); | |
| 1047 if (v->data == NULL) { | |
| 1048 return NGX_ERROR; | |
| 1049 } | |
| 1050 | |
| 1051 v->len = len; | |
| 1052 v->valid = 1; | |
| 1053 v->no_cacheable = 0; | |
| 1054 v->not_found = 0; | |
| 1055 | |
| 1056 ngx_memcpy(v->data, real, len); | |
| 1057 | |
| 1058 return NGX_OK; | |
| 1059 } | |
| 1060 | |
| 1061 | |
| 1062 static ngx_int_t | |
| 573 | 1063 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1064 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1065 { |
| 773 | 1066 size_t root; |
| 573 | 1067 ngx_str_t path; |
| 499 | 1068 |
| 773 | 1069 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1070 return NGX_ERROR; |
| 557 | 1071 } |
| 509 | 1072 |
| 557 | 1073 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1074 |
| 573 | 1075 v->len = path.len - 1; |
| 1076 v->valid = 1; | |
| 1565 | 1077 v->no_cacheable = 0; |
| 573 | 1078 v->not_found = 0; |
| 1079 v->data = path.data; | |
| 499 | 1080 |
| 573 | 1081 return NGX_OK; |
| 499 | 1082 } |
| 1083 | |
| 1084 | |
| 573 | 1085 static ngx_int_t |
| 1811 | 1086 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1087 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1088 { | |
| 1089 ngx_http_core_srv_conf_t *cscf; | |
| 1090 | |
| 1091 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1092 | |
| 1093 v->len = cscf->server_name.len; | |
| 1094 v->valid = 1; | |
| 1095 v->no_cacheable = 0; | |
| 1096 v->not_found = 0; | |
| 1097 v->data = cscf->server_name.data; | |
| 1098 | |
| 1099 return NGX_OK; | |
| 1100 } | |
| 1101 | |
| 1102 | |
| 1103 static ngx_int_t | |
| 573 | 1104 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1105 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1106 { |
| 647 | 1107 if (r->main->method_name.data) { |
| 1108 v->len = r->main->method_name.len; | |
| 573 | 1109 v->valid = 1; |
| 1565 | 1110 v->no_cacheable = 0; |
| 573 | 1111 v->not_found = 0; |
| 647 | 1112 v->data = r->main->method_name.data; |
| 573 | 1113 |
| 1114 } else { | |
| 1115 v->not_found = 1; | |
| 561 | 1116 } |
| 1117 | |
| 573 | 1118 return NGX_OK; |
| 561 | 1119 } |
| 1120 | |
| 1121 | |
| 573 | 1122 static ngx_int_t |
| 1123 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1124 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1125 { |
| 573 | 1126 ngx_int_t rc; |
| 539 | 1127 |
| 1128 rc = ngx_http_auth_basic_user(r); | |
| 1129 | |
| 1130 if (rc == NGX_DECLINED) { | |
| 573 | 1131 v->not_found = 1; |
| 1132 return NGX_OK; | |
| 539 | 1133 } |
| 1134 | |
| 1135 if (rc == NGX_ERROR) { | |
| 573 | 1136 return NGX_ERROR; |
| 539 | 1137 } |
| 1138 | |
| 573 | 1139 v->len = r->headers_in.user.len; |
| 1140 v->valid = 1; | |
| 1565 | 1141 v->no_cacheable = 0; |
| 573 | 1142 v->not_found = 0; |
| 1143 v->data = r->headers_in.user.data; | |
| 571 | 1144 |
| 573 | 1145 return NGX_OK; |
| 571 | 1146 } |
| 1147 | |
| 1148 | |
| 611 | 1149 static ngx_int_t |
| 1150 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1151 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1152 { | |
| 1153 off_t sent; | |
| 1154 u_char *p; | |
| 1155 | |
| 1156 sent = r->connection->sent - r->header_size; | |
| 1157 | |
| 1158 if (sent < 0) { | |
| 1159 sent = 0; | |
| 1160 } | |
| 1161 | |
| 2049 | 1162 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1163 if (p == NULL) { |
| 1164 return NGX_ERROR; | |
| 1165 } | |
| 1166 | |
| 1167 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1168 v->valid = 1; | |
| 1565 | 1169 v->no_cacheable = 0; |
| 611 | 1170 v->not_found = 0; |
| 1171 v->data = p; | |
| 1172 | |
| 1173 return NGX_OK; | |
| 1174 } | |
| 1175 | |
| 1176 | |
| 629 | 1177 static ngx_int_t |
| 641 | 1178 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1179 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1180 { | |
| 1181 if (r->headers_out.content_type.len) { | |
| 1182 v->len = r->headers_out.content_type.len; | |
| 1183 v->valid = 1; | |
| 1565 | 1184 v->no_cacheable = 0; |
| 641 | 1185 v->not_found = 0; |
| 1186 v->data = r->headers_out.content_type.data; | |
| 1187 | |
| 1188 } else { | |
| 1189 v->not_found = 1; | |
| 1190 } | |
| 1191 | |
| 1192 return NGX_OK; | |
| 1193 } | |
| 1194 | |
| 1195 | |
| 1196 static ngx_int_t | |
| 1197 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1198 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1199 { | |
| 1200 u_char *p; | |
| 1201 | |
| 1202 if (r->headers_out.content_length) { | |
| 1203 v->len = r->headers_out.content_length->value.len; | |
| 1204 v->valid = 1; | |
| 1565 | 1205 v->no_cacheable = 0; |
| 641 | 1206 v->not_found = 0; |
| 1207 v->data = r->headers_out.content_length->value.data; | |
| 1208 | |
| 1209 return NGX_OK; | |
| 1210 } | |
| 1211 | |
| 1212 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1213 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1214 if (p == NULL) { |
| 1215 return NGX_ERROR; | |
| 1216 } | |
| 1217 | |
| 1218 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1219 v->valid = 1; | |
| 1565 | 1220 v->no_cacheable = 0; |
| 641 | 1221 v->not_found = 0; |
| 1222 v->data = p; | |
| 1223 | |
| 1224 return NGX_OK; | |
| 1225 } | |
| 1226 | |
| 1227 v->not_found = 1; | |
| 1228 | |
| 1229 return NGX_OK; | |
| 1230 } | |
| 1231 | |
| 1232 | |
| 1233 static ngx_int_t | |
| 1234 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1235 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1236 { | |
| 1237 u_char *p; | |
| 1238 | |
| 1239 if (r->headers_out.last_modified) { | |
| 1240 v->len = r->headers_out.last_modified->value.len; | |
| 1241 v->valid = 1; | |
| 1565 | 1242 v->no_cacheable = 0; |
| 641 | 1243 v->not_found = 0; |
| 1244 v->data = r->headers_out.last_modified->value.data; | |
| 1245 | |
| 1246 return NGX_OK; | |
| 1247 } | |
| 1248 | |
| 1249 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1250 p = ngx_pnalloc(r->pool, |
| 641 | 1251 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1252 if (p == NULL) { | |
| 1253 return NGX_ERROR; | |
| 1254 } | |
| 1255 | |
| 1256 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1257 v->valid = 1; | |
| 1565 | 1258 v->no_cacheable = 0; |
| 641 | 1259 v->not_found = 0; |
| 1260 v->data = p; | |
| 1261 | |
| 1262 return NGX_OK; | |
| 1263 } | |
| 1264 | |
| 1265 v->not_found = 1; | |
| 1266 | |
| 1267 return NGX_OK; | |
| 1268 } | |
| 1269 | |
| 1270 | |
| 1271 static ngx_int_t | |
| 1272 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1273 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1274 { | |
| 1275 size_t len; | |
| 1276 char *p; | |
| 1277 | |
| 1278 if (r->keepalive) { | |
| 1279 len = sizeof("keep-alive") - 1; | |
| 1280 p = "keep-alive"; | |
| 1281 | |
| 1282 } else { | |
| 1283 len = sizeof("close") - 1; | |
| 1284 p = "close"; | |
| 1285 } | |
| 1286 | |
| 1287 v->len = len; | |
| 1288 v->valid = 1; | |
| 1565 | 1289 v->no_cacheable = 0; |
| 641 | 1290 v->not_found = 0; |
| 1291 v->data = (u_char *) p; | |
| 1292 | |
| 1293 return NGX_OK; | |
| 1294 } | |
| 1295 | |
| 1296 | |
| 1297 static ngx_int_t | |
| 1298 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1299 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1300 { | |
| 1301 u_char *p; | |
| 1302 ngx_http_core_loc_conf_t *clcf; | |
| 1303 | |
| 1304 if (r->keepalive) { | |
| 1305 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1306 | |
| 1307 if (clcf->keepalive_header) { | |
| 1308 | |
| 2049 | 1309 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1310 if (p == NULL) { |
| 1311 return NGX_ERROR; | |
| 1312 } | |
| 1313 | |
| 1314 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1315 v->valid = 1; | |
| 1565 | 1316 v->no_cacheable = 0; |
| 641 | 1317 v->not_found = 0; |
| 1318 v->data = p; | |
| 1319 | |
| 1320 return NGX_OK; | |
| 1321 } | |
| 1322 } | |
| 1323 | |
| 1324 v->not_found = 1; | |
| 1325 | |
| 1326 return NGX_OK; | |
| 1327 } | |
| 1328 | |
| 1329 | |
| 1330 static ngx_int_t | |
| 1331 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1332 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1333 { | |
| 1334 if (r->chunked) { | |
| 1335 v->len = sizeof("chunked") - 1; | |
| 1336 v->valid = 1; | |
| 1565 | 1337 v->no_cacheable = 0; |
| 641 | 1338 v->not_found = 0; |
| 1339 v->data = (u_char *) "chunked"; | |
| 1340 | |
| 1341 } else { | |
| 1342 v->not_found = 1; | |
| 1343 } | |
| 1344 | |
| 1345 return NGX_OK; | |
| 1346 } | |
| 1347 | |
| 1348 | |
| 1349 static ngx_int_t | |
| 629 | 1350 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1351 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1352 { | |
| 1353 if (r->request_complete) { | |
| 1354 v->len = 2; | |
| 1355 v->valid = 1; | |
| 1565 | 1356 v->no_cacheable = 0; |
| 629 | 1357 v->not_found = 0; |
| 1358 v->data = (u_char *) "OK"; | |
| 1359 | |
| 1360 return NGX_OK; | |
| 1361 } | |
| 1362 | |
| 1363 v->len = 0; | |
| 1364 v->valid = 1; | |
| 1565 | 1365 v->no_cacheable = 0; |
| 629 | 1366 v->not_found = 0; |
| 1367 v->data = (u_char *) ""; | |
| 1368 | |
| 1369 return NGX_OK; | |
| 1370 } | |
| 1371 | |
| 1372 | |
| 759 | 1373 static ngx_int_t |
| 1374 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1375 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1376 { | |
| 1377 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
|
1378 v->not_found = 1; |
| 759 | 1379 |
| 1380 return NGX_OK; | |
| 1381 } | |
| 1382 | |
| 1383 v->len = r->request_body->temp_file->file.name.len; | |
| 1384 v->valid = 1; | |
| 1565 | 1385 v->no_cacheable = 0; |
| 759 | 1386 v->not_found = 0; |
| 1387 v->data = r->request_body->temp_file->file.name.data; | |
| 1388 | |
| 1389 return NGX_OK; | |
| 1390 } | |
| 1391 | |
| 1392 | |
| 1329 | 1393 static ngx_int_t |
| 1394 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1395 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1396 { | |
| 1397 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1398 v->valid = 1; | |
| 1565 | 1399 v->no_cacheable = 0; |
| 1329 | 1400 v->not_found = 0; |
| 1401 v->data = (u_char *) NGINX_VERSION; | |
| 1402 | |
| 1403 return NGX_OK; | |
| 1404 } | |
| 1405 | |
| 1406 | |
| 2011 | 1407 static ngx_int_t |
| 1408 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1409 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1410 { | |
| 1411 v->len = ngx_cycle->hostname.len; | |
| 1412 v->valid = 1; | |
| 1413 v->no_cacheable = 0; | |
| 1414 v->not_found = 0; | |
| 1415 v->data = ngx_cycle->hostname.data; | |
| 1416 | |
| 1417 return NGX_OK; | |
| 1418 } | |
| 1419 | |
| 1420 | |
| 2249 | 1421 static ngx_int_t |
| 1422 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1423 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1424 { | |
| 1425 u_char *p; | |
| 1426 | |
| 1427 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1428 if (p == NULL) { | |
| 1429 return NGX_ERROR; | |
| 1430 } | |
| 1431 | |
| 1432 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1433 v->valid = 1; | |
| 1434 v->no_cacheable = 0; | |
| 1435 v->not_found = 0; | |
| 1436 v->data = p; | |
| 1437 | |
| 1438 return NGX_OK; | |
| 1439 } | |
| 1440 | |
| 1441 | |
| 499 | 1442 ngx_int_t |
| 509 | 1443 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1444 { |
| 611 | 1445 ngx_int_t rc; |
| 1446 ngx_http_variable_t *v; | |
| 501 | 1447 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1448 |
| 509 | 1449 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1450 | |
| 611 | 1451 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1452 sizeof(ngx_hash_keys_arrays_t)); | |
| 1453 if (cmcf->variables_keys == NULL) { | |
| 1454 return NGX_ERROR; | |
| 1455 } | |
| 1456 | |
| 1457 cmcf->variables_keys->pool = cf->pool; | |
| 1458 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1459 | |
| 1460 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1461 != NGX_OK) | |
| 509 | 1462 { |
| 499 | 1463 return NGX_ERROR; |
| 1464 } | |
| 1465 | |
| 611 | 1466 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1467 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1468 NGX_HASH_READONLY_KEY); | |
| 1469 | |
| 1470 if (rc == NGX_OK) { | |
| 1471 continue; | |
| 499 | 1472 } |
| 1473 | |
| 611 | 1474 if (rc == NGX_BUSY) { |
| 1475 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1476 "conflicting variable name \"%V\"", &v->name); | |
| 1477 } | |
| 1478 | |
| 1479 return NGX_ERROR; | |
| 499 | 1480 } |
| 1481 | |
| 1482 return NGX_OK; | |
| 1483 } | |
| 509 | 1484 |
| 1485 | |
| 1486 ngx_int_t | |
| 1487 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1488 { | |
| 1489 ngx_uint_t i, n; | |
| 611 | 1490 ngx_hash_key_t *key; |
| 1491 ngx_hash_init_t hash; | |
| 509 | 1492 ngx_http_variable_t *v, *av; |
| 1493 ngx_http_core_main_conf_t *cmcf; | |
| 1494 | |
| 1495 /* set the handlers for the indexed http variables */ | |
| 1496 | |
| 1497 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1498 | |
| 1499 v = cmcf->variables.elts; | |
| 611 | 1500 key = cmcf->variables_keys->keys.elts; |
| 509 | 1501 |
| 1502 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1503 | |
| 611 | 1504 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1505 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1506 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1507 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1508 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1509 && v[i].name.len == key[n].key.len |
| 611 | 1510 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1511 == 0) |
| 1512 { | |
| 637 | 1513 v[i].get_handler = av->get_handler; |
| 611 | 1514 v[i].data = av->data; |
| 527 | 1515 |
| 611 | 1516 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1517 v[i].flags = av->flags; | |
| 509 | 1518 |
| 611 | 1519 av->index = i; |
| 533 | 1520 |
| 509 | 1521 goto next; |
| 1522 } | |
| 1523 } | |
| 1524 | |
| 1525 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1526 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1527 v[i].data = (uintptr_t) &v[i].name; |
| 1528 | |
| 1529 continue; | |
| 1530 } | |
| 1531 | |
| 1532 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1533 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1534 v[i].data = (uintptr_t) &v[i].name; |
| 1535 | |
| 1536 continue; | |
| 1537 } | |
| 1538 | |
| 1162 | 1539 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1540 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1541 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1542 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1543 |
| 1544 continue; | |
| 1545 } | |
| 1546 | |
| 2137 | 1547 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1548 v[i].get_handler = ngx_http_variable_argument; | |
| 1549 v[i].data = (uintptr_t) &v[i].name; | |
| 1550 | |
| 1551 continue; | |
| 1552 } | |
| 1553 | |
| 509 | 1554 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1555 "unknown \"%V\" variable", &v[i].name); | |
| 1556 | |
| 1557 return NGX_ERROR; | |
| 1558 | |
| 1559 next: | |
| 1560 continue; | |
| 1561 } | |
| 1562 | |
| 1563 | |
| 611 | 1564 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1565 av = key[n].value; | |
| 1566 | |
| 1567 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1568 key[n].key.data = NULL; | |
| 583 | 1569 } |
| 1570 } | |
| 1571 | |
| 1572 | |
| 611 | 1573 hash.hash = &cmcf->variables_hash; |
| 1574 hash.key = ngx_hash_key; | |
| 1575 hash.max_size = cmcf->variables_hash_max_size; | |
| 1576 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1577 hash.name = "variables_hash"; | |
| 1578 hash.pool = cf->pool; | |
| 1579 hash.temp_pool = NULL; | |
| 509 | 1580 |
| 611 | 1581 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1582 cmcf->variables_keys->keys.nelts) | |
| 581 | 1583 != NGX_OK) |
| 509 | 1584 { |
| 1585 return NGX_ERROR; | |
| 1586 } | |
| 1587 | |
| 611 | 1588 cmcf->variables_keys = NULL; |
| 509 | 1589 |
| 1590 return NGX_OK; | |
| 1591 } |