Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2011:b56d4b1ebac7
$hostname variable
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 16 May 2008 14:39:06 +0000 |
| parents | b9de93d804ea |
| children | 2a92804f4109 8e4450668968 |
| 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
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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); | |
| 2011 | 78 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 80 |
| 509 | 81 /* |
| 82 * TODO: | |
| 83 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 84 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 85 * SERVER_SOFTWARE | |
| 86 * | |
| 571 | 87 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 88 */ |
| 499 | 89 |
| 641 | 90 /* |
| 91 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 92 * and $http_x_forwarded_for variables may be handled by generic | |
| 93 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 94 * they are handled using dedicated entries | |
| 95 */ | |
| 96 | |
| 509 | 97 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 98 | |
| 637 | 99 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 100 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 101 |
| 637 | 102 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 103 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 104 |
| 637 | 105 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 106 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 107 |
| 108 #if (NGX_HTTP_GZIP) | |
| 637 | 109 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 110 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 111 #endif |
| 112 | |
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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113 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 114 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 116 #endif |
| 117 | |
| 637 | 118 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 120 |
| 637 | 121 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 122 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 123 |
| 637 | 124 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 125 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 126 |
| 637 | 127 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 128 |
| 982 | 129 { ngx_string("binary_remote_addr"), NULL, |
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ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
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130 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 131 |
| 637 | 132 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 133 |
| 637 | 134 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 137 |
| 637 | 138 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 139 |
| 637 | 140 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 141 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 142 |
| 731 | 143 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 144 | |
| 637 | 145 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 146 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 147 |
| 637 | 148 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 149 offsetof(ngx_http_request_t, uri), | |
| 1565 | 150 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 151 |
| 152 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 153 offsetof(ngx_http_request_t, uri), |
| 1565 | 154 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 155 |
| 637 | 156 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 157 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 158 | |
| 637 | 159 { ngx_string("document_root"), NULL, |
| 1565 | 160 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 161 |
| 637 | 162 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 163 offsetof(ngx_http_request_t, args), |
| 1565 | 164 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 165 |
| 1350 | 166 { ngx_string("args"), |
| 167 ngx_http_variable_request_set, | |
| 168 ngx_http_variable_request, | |
| 589 | 169 offsetof(ngx_http_request_t, args), |
| 1565 | 170 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 171 |
| 1351 | 172 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 173 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 174 |
| 637 | 175 { ngx_string("request_filename"), NULL, |
| 176 ngx_http_variable_request_filename, 0, | |
| 1565 | 177 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 178 |
| 1811 | 179 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 180 |
| 637 | 181 { ngx_string("request_method"), NULL, |
| 182 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 183 |
| 637 | 184 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 185 |
| 637 | 186 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 187 0, 0, 0 }, |
| 188 | |
| 637 | 189 { ngx_string("request_completion"), NULL, |
| 190 ngx_http_variable_request_completion, | |
| 629 | 191 0, 0, 0 }, |
| 192 | |
| 759 | 193 { ngx_string("request_body_file"), NULL, |
| 194 ngx_http_variable_request_body_file, | |
| 195 0, 0, 0 }, | |
| 196 | |
| 641 | 197 { ngx_string("sent_http_content_type"), NULL, |
| 198 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 199 | |
| 200 { ngx_string("sent_http_content_length"), NULL, | |
| 201 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 202 | |
| 203 { ngx_string("sent_http_last_modified"), NULL, | |
| 204 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 205 | |
| 206 { ngx_string("sent_http_connection"), NULL, | |
| 207 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 208 | |
| 209 { ngx_string("sent_http_keep_alive"), NULL, | |
| 210 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 211 | |
| 212 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 213 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 214 | |
| 215 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 216 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 217 | |
| 637 | 218 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 219 ngx_http_variable_request, | |
| 220 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 221 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 222 |
| 1329 | 223 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 224 0, 0, 0 }, | |
| 225 | |
| 2011 | 226 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 227 0, 0, 0 }, | |
| 228 | |
| 637 | 229 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 230 }; |
| 231 | |
| 232 | |
| 577 | 233 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 234 ngx_http_variable(""); | |
| 235 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 236 ngx_http_variable("1"); | |
| 237 | |
| 238 | |
| 499 | 239 ngx_http_variable_t * |
| 509 | 240 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 241 { | |
| 611 | 242 ngx_int_t rc; |
| 509 | 243 ngx_uint_t i; |
| 611 | 244 ngx_hash_key_t *key; |
| 509 | 245 ngx_http_variable_t *v; |
| 246 ngx_http_core_main_conf_t *cmcf; | |
| 247 | |
| 248 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 249 | |
| 611 | 250 key = cmcf->variables_keys->keys.elts; |
| 251 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 252 if (name->len != key[i].key.len | |
| 253 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 254 { |
| 255 continue; | |
| 256 } | |
| 257 | |
| 611 | 258 v = key[i].value; |
| 259 | |
| 1565 | 260 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 261 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 262 "the duplicate \"%V\" variable", name); | |
| 263 return NULL; | |
| 264 } | |
| 265 | |
| 611 | 266 return v; |
| 509 | 267 } |
| 268 | |
| 611 | 269 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 270 if (v == NULL) { |
| 271 return NULL; | |
| 272 } | |
| 273 | |
| 274 v->name.len = name->len; | |
| 275 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 276 if (v->name.data == NULL) { | |
| 277 return NULL; | |
| 278 } | |
| 279 | |
| 280 for (i = 0; i < name->len; i++) { | |
| 281 v->name.data[i] = ngx_tolower(name->data[i]); | |
| 282 } | |
| 283 | |
| 637 | 284 v->set_handler = NULL; |
| 285 v->get_handler = NULL; | |
| 509 | 286 v->data = 0; |
| 287 v->flags = flags; | |
| 533 | 288 v->index = 0; |
| 509 | 289 |
| 611 | 290 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 291 | |
| 292 if (rc == NGX_ERROR) { | |
| 293 return NULL; | |
| 294 } | |
| 295 | |
| 296 if (rc == NGX_BUSY) { | |
| 297 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 298 "conflicting variable name \"%V\"", name); | |
| 299 return NULL; | |
| 300 } | |
| 301 | |
| 509 | 302 return v; |
| 303 } | |
| 304 | |
| 305 | |
| 306 ngx_int_t | |
| 307 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 308 { |
| 501 | 309 ngx_uint_t i; |
| 310 ngx_http_variable_t *v; | |
| 499 | 311 ngx_http_core_main_conf_t *cmcf; |
| 312 | |
| 313 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 314 | |
| 501 | 315 v = cmcf->variables.elts; |
| 316 | |
| 317 if (v == NULL) { | |
| 499 | 318 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 319 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 320 { | |
| 509 | 321 return NGX_ERROR; |
| 499 | 322 } |
| 501 | 323 |
| 324 } else { | |
| 325 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 326 if (name->len != v[i].name.len | |
| 327 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 328 { | |
| 329 continue; | |
| 330 } | |
| 331 | |
| 509 | 332 return i; |
| 501 | 333 } |
| 499 | 334 } |
| 335 | |
| 501 | 336 v = ngx_array_push(&cmcf->variables); |
| 337 if (v == NULL) { | |
| 509 | 338 return NGX_ERROR; |
| 499 | 339 } |
| 340 | |
| 501 | 341 v->name.len = name->len; |
| 342 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 343 if (v->name.data == NULL) { | |
| 509 | 344 return NGX_ERROR; |
| 501 | 345 } |
| 499 | 346 |
| 501 | 347 for (i = 0; i < name->len; i++) { |
| 509 | 348 v->name.data[i] = ngx_tolower(name->data[i]); |
| 501 | 349 } |
| 350 | |
| 637 | 351 v->set_handler = NULL; |
| 352 v->get_handler = NULL; | |
| 501 | 353 v->data = 0; |
| 509 | 354 v->flags = 0; |
| 533 | 355 v->index = cmcf->variables.nelts - 1; |
| 501 | 356 |
| 509 | 357 return cmcf->variables.nelts - 1; |
| 499 | 358 } |
| 359 | |
| 360 | |
| 361 ngx_http_variable_value_t * | |
| 362 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 363 { | |
| 501 | 364 ngx_http_variable_t *v; |
| 499 | 365 ngx_http_core_main_conf_t *cmcf; |
| 366 | |
| 367 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 368 | |
| 553 | 369 if (cmcf->variables.nelts <= index) { |
| 499 | 370 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 371 "unknown variable index: %d", index); | |
| 372 return NULL; | |
| 373 } | |
| 374 | |
| 573 | 375 if (r->variables[index].not_found || r->variables[index].valid) { |
| 376 return &r->variables[index]; | |
| 501 | 377 } |
| 499 | 378 |
| 501 | 379 v = cmcf->variables.elts; |
| 499 | 380 |
| 637 | 381 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 382 == NGX_OK) | |
| 383 { | |
| 1565 | 384 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 385 r->variables[index].no_cacheable = 1; | |
| 499 | 386 } |
| 573 | 387 |
| 388 return &r->variables[index]; | |
| 499 | 389 } |
| 390 | |
| 657 | 391 r->variables[index].valid = 0; |
| 392 r->variables[index].not_found = 1; | |
| 393 | |
| 798 | 394 return NULL; |
| 573 | 395 } |
| 396 | |
| 397 | |
| 398 ngx_http_variable_value_t * | |
| 399 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 400 { | |
| 1150 | 401 ngx_http_variable_value_t *v; |
| 573 | 402 |
| 403 v = &r->variables[index]; | |
| 404 | |
| 405 if (v->valid) { | |
| 1565 | 406 if (!v->no_cacheable) { |
| 573 | 407 return v; |
| 408 } | |
| 409 | |
| 410 v->valid = 0; | |
| 411 v->not_found = 0; | |
| 509 | 412 } |
| 501 | 413 |
| 573 | 414 return ngx_http_get_indexed_variable(r, index); |
| 499 | 415 } |
| 416 | |
| 417 | |
| 418 ngx_http_variable_value_t * | |
| 635 | 419 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 420 ngx_uint_t nowarn) | |
| 499 | 421 { |
| 501 | 422 ngx_http_variable_t *v; |
| 573 | 423 ngx_http_variable_value_t *vv; |
| 499 | 424 ngx_http_core_main_conf_t *cmcf; |
| 425 | |
| 426 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 427 | |
| 611 | 428 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 429 |
| 611 | 430 if (v) { |
| 431 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 432 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 433 |
| 434 } else { | |
| 499 | 435 |
| 573 | 436 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 437 |
| 637 | 438 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 439 return vv; |
| 440 } | |
| 509 | 441 |
| 573 | 442 return NULL; |
| 443 } | |
| 509 | 444 } |
| 445 | |
| 446 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 447 if (vv == NULL) { | |
| 448 return NULL; | |
| 449 } | |
| 450 | |
| 573 | 451 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 452 |
| 577 | 453 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 454 == NGX_OK) | |
| 455 { | |
| 456 return vv; | |
| 457 } | |
| 458 | |
| 459 return NULL; | |
| 460 } | |
| 461 | |
| 462 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 463 | |
| 464 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 465 == NGX_OK) | |
| 573 | 466 { |
| 467 return vv; | |
| 468 } | |
| 499 | 469 |
| 470 return NULL; | |
| 471 } | |
| 472 | |
| 1162 | 473 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 474 | |
| 475 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 476 == NGX_OK) | |
| 477 { | |
| 478 return vv; | |
| 479 } | |
| 480 | |
| 481 return NULL; | |
| 482 } | |
| 483 | |
| 635 | 484 vv->not_found = 1; |
| 573 | 485 |
| 635 | 486 if (nowarn == 0) { |
| 487 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 488 "unknown \"%V\" variable", name); | |
| 489 } | |
| 499 | 490 |
| 501 | 491 return vv; |
| 499 | 492 } |
| 493 | |
| 494 | |
| 573 | 495 static ngx_int_t |
| 496 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 497 uintptr_t data) | |
| 498 { | |
| 499 ngx_str_t *s; | |
| 500 | |
| 501 s = (ngx_str_t *) ((char *) r + data); | |
| 502 | |
| 503 if (s->data) { | |
| 504 v->len = s->len; | |
| 505 v->valid = 1; | |
| 1565 | 506 v->no_cacheable = 0; |
| 573 | 507 v->not_found = 0; |
| 508 v->data = s->data; | |
| 509 | |
| 510 } else { | |
| 511 v->not_found = 1; | |
| 512 } | |
| 513 | |
| 514 return NGX_OK; | |
| 515 } | |
| 516 | |
| 517 | |
| 637 | 518 static void |
| 1350 | 519 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 520 ngx_http_variable_value_t *v, uintptr_t data) | |
| 521 { | |
| 522 ngx_str_t *s; | |
| 523 | |
| 524 s = (ngx_str_t *) ((char *) r + data); | |
| 525 | |
| 526 s->len = v->len; | |
| 527 s->data = v->data; | |
| 528 } | |
| 529 | |
| 530 | |
| 531 static void | |
| 637 | 532 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 533 ngx_http_variable_value_t *v, uintptr_t data) | |
| 534 { | |
| 535 ssize_t s, *sp; | |
| 536 ngx_str_t val; | |
| 537 | |
|
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538 val.len = v->len; |
| 637 | 539 val.data = v->data; |
| 540 | |
| 541 s = ngx_parse_size(&val); | |
| 542 | |
| 543 if (s == NGX_ERROR) { | |
| 544 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 545 "invalid size \"%V\"", &val); | |
| 546 return; | |
| 547 } | |
| 548 | |
| 549 sp = (ssize_t *) ((char *) r + data); | |
| 550 | |
| 551 *sp = s; | |
| 552 | |
| 553 return; | |
| 554 } | |
| 555 | |
| 556 | |
| 573 | 557 static ngx_int_t |
| 558 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 559 uintptr_t data) | |
| 515 | 560 { |
| 573 | 561 ngx_table_elt_t *h; |
| 562 | |
| 563 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 564 | |
| 565 if (h) { | |
| 566 v->len = h->value.len; | |
| 567 v->valid = 1; | |
| 1565 | 568 v->no_cacheable = 0; |
| 573 | 569 v->not_found = 0; |
| 570 v->data = h->value.data; | |
| 571 | |
| 572 } else { | |
| 573 v->not_found = 1; | |
| 574 } | |
| 575 | |
| 576 return NGX_OK; | |
| 577 } | |
| 578 | |
| 579 | |
| 580 static ngx_int_t | |
| 581 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 582 uintptr_t data) | |
| 583 { | |
| 667 | 584 ssize_t len; |
| 573 | 585 u_char *p; |
| 667 | 586 ngx_uint_t i, n; |
| 573 | 587 ngx_array_t *a; |
| 588 ngx_table_elt_t **h; | |
| 515 | 589 |
| 590 a = (ngx_array_t *) ((char *) r + data); | |
| 591 | |
| 667 | 592 n = a->nelts; |
| 593 | |
| 594 if (n == 0) { | |
| 573 | 595 v->not_found = 1; |
| 596 return NGX_OK; | |
| 515 | 597 } |
| 598 | |
| 573 | 599 v->valid = 1; |
| 1565 | 600 v->no_cacheable = 0; |
| 573 | 601 v->not_found = 0; |
| 515 | 602 |
| 603 h = a->elts; | |
| 604 | |
| 667 | 605 if (n == 1) { |
| 573 | 606 v->len = (*h)->value.len; |
| 607 v->data = (*h)->value.data; | |
| 515 | 608 |
| 573 | 609 return NGX_OK; |
| 515 | 610 } |
| 611 | |
| 667 | 612 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 613 |
| 667 | 614 for (i = 0; i < n; i++) { |
| 573 | 615 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 616 } |
| 617 | |
| 573 | 618 p = ngx_palloc(r->pool, len); |
| 619 if (p == NULL) { | |
| 620 return NGX_ERROR; | |
| 621 } | |
| 622 | |
| 623 v->len = len; | |
| 624 v->data = p; | |
| 515 | 625 |
| 626 for (i = 0; /* void */ ; i++) { | |
| 573 | 627 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 628 |
| 667 | 629 if (i == n - 1) { |
| 515 | 630 break; |
| 631 } | |
| 632 | |
| 633 *p++ = ';'; *p++ = ' '; | |
| 634 } | |
| 635 | |
| 573 | 636 return NGX_OK; |
| 515 | 637 } |
| 638 | |
| 639 | |
| 573 | 640 static ngx_int_t |
| 577 | 641 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 642 ngx_http_variable_value_t *v, uintptr_t data) | |
| 643 { | |
| 644 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 645 &r->headers_in.headers.part, | |
| 646 sizeof("http_") - 1); | |
| 647 } | |
| 648 | |
| 649 | |
| 650 static ngx_int_t | |
| 651 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 652 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 653 { |
| 577 | 654 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 655 &r->headers_out.headers.part, | |
| 656 sizeof("sent_http_") - 1); | |
| 657 } | |
| 501 | 658 |
| 577 | 659 |
| 1162 | 660 ngx_int_t |
| 577 | 661 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 662 ngx_list_part_t *part, size_t prefix) | |
| 663 { | |
| 573 | 664 u_char ch; |
| 665 ngx_uint_t i, n; | |
| 666 ngx_table_elt_t *header; | |
| 499 | 667 |
| 668 header = part->elts; | |
| 669 | |
| 670 for (i = 0; /* void */ ; i++) { | |
| 671 | |
| 672 if (i >= part->nelts) { | |
| 673 if (part->next == NULL) { | |
| 674 break; | |
| 675 } | |
| 676 | |
| 677 part = part->next; | |
| 678 header = part->elts; | |
| 679 i = 0; | |
| 680 } | |
| 681 | |
| 577 | 682 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 683 ch = header[i].key.data[n]; |
| 684 | |
| 509 | 685 if (ch >= 'A' && ch <= 'Z') { |
| 686 ch |= 0x20; | |
| 499 | 687 |
| 688 } else if (ch == '-') { | |
| 689 ch = '_'; | |
| 690 } | |
| 691 | |
| 577 | 692 if (var->data[n + prefix] != ch) { |
| 499 | 693 break; |
| 694 } | |
| 695 } | |
| 696 | |
|
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697 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 698 v->len = header[i].value.len; |
| 699 v->valid = 1; | |
| 1565 | 700 v->no_cacheable = 0; |
| 573 | 701 v->not_found = 0; |
| 702 v->data = header[i].value.data; | |
| 499 | 703 |
| 573 | 704 return NGX_OK; |
| 499 | 705 } |
| 706 } | |
| 707 | |
| 573 | 708 v->not_found = 1; |
| 709 | |
| 710 return NGX_OK; | |
| 509 | 711 } |
| 712 | |
| 713 | |
| 573 | 714 static ngx_int_t |
| 715 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 716 uintptr_t data) | |
| 509 | 717 { |
| 1811 | 718 ngx_http_core_srv_conf_t *cscf; |
| 719 | |
|
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720 if (r->headers_in.server.len) { |
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721 v->len = r->headers_in.server.len; |
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722 v->data = r->headers_in.server.data; |
|
928
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723 |
|
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724 } else { |
|
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725 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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726 |
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727 v->len = cscf->server_name.len; |
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728 v->data = cscf->server_name.data; |
| 509 | 729 } |
| 730 | |
| 573 | 731 v->valid = 1; |
| 1565 | 732 v->no_cacheable = 0; |
| 573 | 733 v->not_found = 0; |
| 509 | 734 |
| 573 | 735 return NGX_OK; |
| 499 | 736 } |
| 737 | |
| 738 | |
| 573 | 739 static ngx_int_t |
|
983
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740 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 741 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 742 { |
| 982 | 743 struct sockaddr_in *sin; |
| 744 | |
|
983
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745 /* AF_INET only */ |
|
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746 |
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diff
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|
747 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 748 |
|
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749 v->len = sizeof(in_addr_t); |
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750 v->valid = 1; |
| 1565 | 751 v->no_cacheable = 0; |
|
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752 v->not_found = 0; |
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753 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 754 |
|
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755 return NGX_OK; |
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756 } |
| 982 | 757 |
| 758 | |
|
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759 static ngx_int_t |
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760 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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761 ngx_http_variable_value_t *v, uintptr_t data) |
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762 { |
|
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763 v->len = r->connection->addr_text.len; |
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764 v->valid = 1; |
| 1565 | 765 v->no_cacheable = 0; |
|
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766 v->not_found = 0; |
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767 v->data = r->connection->addr_text.data; |
| 499 | 768 |
| 573 | 769 return NGX_OK; |
| 499 | 770 } |
| 771 | |
| 772 | |
| 573 | 773 static ngx_int_t |
| 774 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 775 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 776 { |
| 573 | 777 ngx_uint_t port; |
| 778 struct sockaddr_in *sin; | |
| 509 | 779 |
| 573 | 780 v->len = 0; |
| 781 v->valid = 1; | |
| 1565 | 782 v->no_cacheable = 0; |
| 573 | 783 v->not_found = 0; |
| 509 | 784 |
| 573 | 785 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 786 if (v->data == NULL) { | |
| 787 return NGX_ERROR; | |
| 509 | 788 } |
| 789 | |
| 790 /* AF_INET only */ | |
| 577 | 791 |
| 509 | 792 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 793 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 794 |
| 509 | 795 port = ntohs(sin->sin_port); |
| 577 | 796 |
| 509 | 797 if (port > 0 && port < 65536) { |
| 573 | 798 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 799 } |
| 800 } | |
| 801 | |
| 573 | 802 return NGX_OK; |
| 509 | 803 } |
| 804 | |
| 805 | |
| 573 | 806 static ngx_int_t |
| 807 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 808 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 809 { |
| 1805 | 810 ngx_str_t s; |
| 499 | 811 |
| 1805 | 812 s.data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 813 if (s.data == NULL) { | |
| 573 | 814 return NGX_ERROR; |
| 509 | 815 } |
| 816 | |
| 1805 | 817 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 818 return NGX_ERROR; | |
| 509 | 819 } |
| 820 | |
| 1805 | 821 v->len = s.len; |
| 573 | 822 v->valid = 1; |
| 1565 | 823 v->no_cacheable = 0; |
| 573 | 824 v->not_found = 0; |
| 1805 | 825 v->data = s.data; |
| 499 | 826 |
| 573 | 827 return NGX_OK; |
| 499 | 828 } |
| 829 | |
| 830 | |
| 573 | 831 static ngx_int_t |
| 832 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 833 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 834 { |
| 573 | 835 v->len = r->port_text->len - 1; |
| 836 v->valid = 1; | |
| 1565 | 837 v->no_cacheable = 0; |
| 573 | 838 v->not_found = 0; |
| 839 v->data = r->port_text->data + 1; | |
| 509 | 840 |
| 573 | 841 return NGX_OK; |
| 509 | 842 } |
| 843 | |
| 844 | |
| 573 | 845 static ngx_int_t |
| 731 | 846 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 847 ngx_http_variable_value_t *v, uintptr_t data) | |
| 848 { | |
| 849 #if (NGX_HTTP_SSL) | |
| 850 | |
| 851 if (r->connection->ssl) { | |
| 852 v->len = sizeof("https") - 1; | |
| 853 v->valid = 1; | |
| 1565 | 854 v->no_cacheable = 0; |
| 731 | 855 v->not_found = 0; |
| 732 | 856 v->data = (u_char *) "https"; |
| 731 | 857 |
| 858 return NGX_OK; | |
| 859 } | |
| 860 | |
| 861 #endif | |
| 862 | |
| 863 v->len = sizeof("http") - 1; | |
| 864 v->valid = 1; | |
| 1565 | 865 v->no_cacheable = 0; |
| 731 | 866 v->not_found = 0; |
| 732 | 867 v->data = (u_char *) "http"; |
| 731 | 868 |
| 869 return NGX_OK; | |
| 870 } | |
| 871 | |
| 872 | |
| 873 static ngx_int_t | |
| 1351 | 874 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 875 ngx_http_variable_value_t *v, uintptr_t data) | |
| 876 { | |
| 877 v->valid = 1; | |
| 1565 | 878 v->no_cacheable = 0; |
| 1351 | 879 v->not_found = 0; |
| 880 | |
| 881 if (r->args.len == 0) { | |
| 882 v->len = 0; | |
| 883 v->data = NULL; | |
| 884 return NGX_OK; | |
| 885 } | |
| 886 | |
| 887 v->len = 1; | |
| 888 v->data = (u_char *) "?"; | |
| 889 | |
| 890 return NGX_OK; | |
| 891 } | |
| 892 | |
| 893 | |
| 894 static ngx_int_t | |
| 573 | 895 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 896 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 897 { |
| 671 | 898 ngx_str_t path; |
| 573 | 899 ngx_http_core_loc_conf_t *clcf; |
| 509 | 900 |
| 901 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 902 | |
| 671 | 903 if (clcf->root_lengths == NULL) { |
| 904 v->len = clcf->root.len; | |
| 905 v->valid = 1; | |
| 1565 | 906 v->no_cacheable = 0; |
| 671 | 907 v->not_found = 0; |
| 908 v->data = clcf->root.data; | |
| 909 | |
| 910 } else { | |
| 911 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 912 clcf->root_values->elts) | |
| 913 == NULL) | |
| 914 { | |
| 915 return NGX_ERROR; | |
| 916 } | |
| 917 | |
| 1352 | 918 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 919 == NGX_ERROR) | |
| 920 { | |
| 671 | 921 return NGX_ERROR; |
| 922 } | |
| 923 | |
| 924 v->len = path.len; | |
| 925 v->valid = 1; | |
| 1565 | 926 v->no_cacheable = 0; |
| 671 | 927 v->not_found = 0; |
| 928 v->data = path.data; | |
| 929 } | |
| 509 | 930 |
| 573 | 931 return NGX_OK; |
| 509 | 932 } |
| 933 | |
| 934 | |
| 573 | 935 static ngx_int_t |
| 936 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 937 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 938 { |
| 773 | 939 size_t root; |
| 573 | 940 ngx_str_t path; |
| 499 | 941 |
| 773 | 942 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 943 return NGX_ERROR; |
| 557 | 944 } |
| 509 | 945 |
| 557 | 946 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 947 |
| 573 | 948 v->len = path.len - 1; |
| 949 v->valid = 1; | |
| 1565 | 950 v->no_cacheable = 0; |
| 573 | 951 v->not_found = 0; |
| 952 v->data = path.data; | |
| 499 | 953 |
| 573 | 954 return NGX_OK; |
| 499 | 955 } |
| 956 | |
| 957 | |
| 573 | 958 static ngx_int_t |
| 1811 | 959 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 960 ngx_http_variable_value_t *v, uintptr_t data) | |
| 961 { | |
| 962 ngx_http_core_srv_conf_t *cscf; | |
| 963 | |
| 964 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 965 | |
| 966 v->len = cscf->server_name.len; | |
| 967 v->valid = 1; | |
| 968 v->no_cacheable = 0; | |
| 969 v->not_found = 0; | |
| 970 v->data = cscf->server_name.data; | |
| 971 | |
| 972 return NGX_OK; | |
| 973 } | |
| 974 | |
| 975 | |
| 976 static ngx_int_t | |
| 573 | 977 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 978 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 979 { |
| 647 | 980 if (r->main->method_name.data) { |
| 981 v->len = r->main->method_name.len; | |
| 573 | 982 v->valid = 1; |
| 1565 | 983 v->no_cacheable = 0; |
| 573 | 984 v->not_found = 0; |
| 647 | 985 v->data = r->main->method_name.data; |
| 573 | 986 |
| 987 } else { | |
| 988 v->not_found = 1; | |
| 561 | 989 } |
| 990 | |
| 573 | 991 return NGX_OK; |
| 561 | 992 } |
| 993 | |
| 994 | |
| 573 | 995 static ngx_int_t |
| 996 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 997 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 998 { |
| 573 | 999 ngx_int_t rc; |
| 539 | 1000 |
| 1001 rc = ngx_http_auth_basic_user(r); | |
| 1002 | |
| 1003 if (rc == NGX_DECLINED) { | |
| 573 | 1004 v->not_found = 1; |
| 1005 return NGX_OK; | |
| 539 | 1006 } |
| 1007 | |
| 1008 if (rc == NGX_ERROR) { | |
| 573 | 1009 return NGX_ERROR; |
| 539 | 1010 } |
| 1011 | |
| 573 | 1012 v->len = r->headers_in.user.len; |
| 1013 v->valid = 1; | |
| 1565 | 1014 v->no_cacheable = 0; |
| 573 | 1015 v->not_found = 0; |
| 1016 v->data = r->headers_in.user.data; | |
| 571 | 1017 |
| 573 | 1018 return NGX_OK; |
| 571 | 1019 } |
| 1020 | |
| 1021 | |
| 611 | 1022 static ngx_int_t |
| 1023 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1024 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1025 { | |
| 1026 off_t sent; | |
| 1027 u_char *p; | |
| 1028 | |
| 1029 sent = r->connection->sent - r->header_size; | |
| 1030 | |
| 1031 if (sent < 0) { | |
| 1032 sent = 0; | |
| 1033 } | |
| 1034 | |
| 1035 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1036 if (p == NULL) { | |
| 1037 return NGX_ERROR; | |
| 1038 } | |
| 1039 | |
| 1040 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1041 v->valid = 1; | |
| 1565 | 1042 v->no_cacheable = 0; |
| 611 | 1043 v->not_found = 0; |
| 1044 v->data = p; | |
| 1045 | |
| 1046 return NGX_OK; | |
| 1047 } | |
| 1048 | |
| 1049 | |
| 629 | 1050 static ngx_int_t |
| 641 | 1051 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1052 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1053 { | |
| 1054 if (r->headers_out.content_type.len) { | |
| 1055 v->len = r->headers_out.content_type.len; | |
| 1056 v->valid = 1; | |
| 1565 | 1057 v->no_cacheable = 0; |
| 641 | 1058 v->not_found = 0; |
| 1059 v->data = r->headers_out.content_type.data; | |
| 1060 | |
| 1061 } else { | |
| 1062 v->not_found = 1; | |
| 1063 } | |
| 1064 | |
| 1065 return NGX_OK; | |
| 1066 } | |
| 1067 | |
| 1068 | |
| 1069 static ngx_int_t | |
| 1070 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1071 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1072 { | |
| 1073 u_char *p; | |
| 1074 | |
| 1075 if (r->headers_out.content_length) { | |
| 1076 v->len = r->headers_out.content_length->value.len; | |
| 1077 v->valid = 1; | |
| 1565 | 1078 v->no_cacheable = 0; |
| 641 | 1079 v->not_found = 0; |
| 1080 v->data = r->headers_out.content_length->value.data; | |
| 1081 | |
| 1082 return NGX_OK; | |
| 1083 } | |
| 1084 | |
| 1085 if (r->headers_out.content_length_n >= 0) { | |
| 1086 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1087 if (p == NULL) { | |
| 1088 return NGX_ERROR; | |
| 1089 } | |
| 1090 | |
| 1091 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1092 v->valid = 1; | |
| 1565 | 1093 v->no_cacheable = 0; |
| 641 | 1094 v->not_found = 0; |
| 1095 v->data = p; | |
| 1096 | |
| 1097 return NGX_OK; | |
| 1098 } | |
| 1099 | |
| 1100 v->not_found = 1; | |
| 1101 | |
| 1102 return NGX_OK; | |
| 1103 } | |
| 1104 | |
| 1105 | |
| 1106 static ngx_int_t | |
| 1107 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1108 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1109 { | |
| 1110 u_char *p; | |
| 1111 | |
| 1112 if (r->headers_out.last_modified) { | |
| 1113 v->len = r->headers_out.last_modified->value.len; | |
| 1114 v->valid = 1; | |
| 1565 | 1115 v->no_cacheable = 0; |
| 641 | 1116 v->not_found = 0; |
| 1117 v->data = r->headers_out.last_modified->value.data; | |
| 1118 | |
| 1119 return NGX_OK; | |
| 1120 } | |
| 1121 | |
| 1122 if (r->headers_out.last_modified_time >= 0) { | |
| 1123 p = ngx_palloc(r->pool, | |
| 1124 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1125 if (p == NULL) { | |
| 1126 return NGX_ERROR; | |
| 1127 } | |
| 1128 | |
| 1129 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1130 v->valid = 1; | |
| 1565 | 1131 v->no_cacheable = 0; |
| 641 | 1132 v->not_found = 0; |
| 1133 v->data = p; | |
| 1134 | |
| 1135 return NGX_OK; | |
| 1136 } | |
| 1137 | |
| 1138 v->not_found = 1; | |
| 1139 | |
| 1140 return NGX_OK; | |
| 1141 } | |
| 1142 | |
| 1143 | |
| 1144 static ngx_int_t | |
| 1145 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1146 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1147 { | |
| 1148 size_t len; | |
| 1149 char *p; | |
| 1150 | |
| 1151 if (r->keepalive) { | |
| 1152 len = sizeof("keep-alive") - 1; | |
| 1153 p = "keep-alive"; | |
| 1154 | |
| 1155 } else { | |
| 1156 len = sizeof("close") - 1; | |
| 1157 p = "close"; | |
| 1158 } | |
| 1159 | |
| 1160 v->len = len; | |
| 1161 v->valid = 1; | |
| 1565 | 1162 v->no_cacheable = 0; |
| 641 | 1163 v->not_found = 0; |
| 1164 v->data = (u_char *) p; | |
| 1165 | |
| 1166 return NGX_OK; | |
| 1167 } | |
| 1168 | |
| 1169 | |
| 1170 static ngx_int_t | |
| 1171 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1172 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1173 { | |
| 1174 u_char *p; | |
| 1175 ngx_http_core_loc_conf_t *clcf; | |
| 1176 | |
| 1177 if (r->keepalive) { | |
| 1178 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1179 | |
| 1180 if (clcf->keepalive_header) { | |
| 1181 | |
| 1182 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1183 if (p == NULL) { | |
| 1184 return NGX_ERROR; | |
| 1185 } | |
| 1186 | |
| 1187 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1188 v->valid = 1; | |
| 1565 | 1189 v->no_cacheable = 0; |
| 641 | 1190 v->not_found = 0; |
| 1191 v->data = p; | |
| 1192 | |
| 1193 return NGX_OK; | |
| 1194 } | |
| 1195 } | |
| 1196 | |
| 1197 v->not_found = 1; | |
| 1198 | |
| 1199 return NGX_OK; | |
| 1200 } | |
| 1201 | |
| 1202 | |
| 1203 static ngx_int_t | |
| 1204 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1205 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1206 { | |
| 1207 if (r->chunked) { | |
| 1208 v->len = sizeof("chunked") - 1; | |
| 1209 v->valid = 1; | |
| 1565 | 1210 v->no_cacheable = 0; |
| 641 | 1211 v->not_found = 0; |
| 1212 v->data = (u_char *) "chunked"; | |
| 1213 | |
| 1214 } else { | |
| 1215 v->not_found = 1; | |
| 1216 } | |
| 1217 | |
| 1218 return NGX_OK; | |
| 1219 } | |
| 1220 | |
| 1221 | |
| 1222 static ngx_int_t | |
| 629 | 1223 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1224 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1225 { | |
| 1226 if (r->request_complete) { | |
| 1227 v->len = 2; | |
| 1228 v->valid = 1; | |
| 1565 | 1229 v->no_cacheable = 0; |
| 629 | 1230 v->not_found = 0; |
| 1231 v->data = (u_char *) "OK"; | |
| 1232 | |
| 1233 return NGX_OK; | |
| 1234 } | |
| 1235 | |
| 1236 v->len = 0; | |
| 1237 v->valid = 1; | |
| 1565 | 1238 v->no_cacheable = 0; |
| 629 | 1239 v->not_found = 0; |
| 1240 v->data = (u_char *) ""; | |
| 1241 | |
| 1242 return NGX_OK; | |
| 1243 } | |
| 1244 | |
| 1245 | |
| 759 | 1246 static ngx_int_t |
| 1247 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1248 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1249 { | |
| 1250 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
763
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variable should not be found if no request body file
Igor Sysoev <igor@sysoev.ru>
parents:
759
diff
changeset
|
1251 v->not_found = 1; |
| 759 | 1252 |
| 1253 return NGX_OK; | |
| 1254 } | |
| 1255 | |
| 1256 v->len = r->request_body->temp_file->file.name.len; | |
| 1257 v->valid = 1; | |
| 1565 | 1258 v->no_cacheable = 0; |
| 759 | 1259 v->not_found = 0; |
| 1260 v->data = r->request_body->temp_file->file.name.data; | |
| 1261 | |
| 1262 return NGX_OK; | |
| 1263 } | |
| 1264 | |
| 1265 | |
| 1329 | 1266 static ngx_int_t |
| 1267 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1268 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1269 { | |
| 1270 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1271 v->valid = 1; | |
| 1565 | 1272 v->no_cacheable = 0; |
| 1329 | 1273 v->not_found = 0; |
| 1274 v->data = (u_char *) NGINX_VERSION; | |
| 1275 | |
| 1276 return NGX_OK; | |
| 1277 } | |
| 1278 | |
| 1279 | |
| 2011 | 1280 static ngx_int_t |
| 1281 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1282 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1283 { | |
| 1284 v->len = ngx_cycle->hostname.len; | |
| 1285 v->valid = 1; | |
| 1286 v->no_cacheable = 0; | |
| 1287 v->not_found = 0; | |
| 1288 v->data = ngx_cycle->hostname.data; | |
| 1289 | |
| 1290 return NGX_OK; | |
| 1291 } | |
| 1292 | |
| 1293 | |
| 499 | 1294 ngx_int_t |
| 509 | 1295 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1296 { |
| 611 | 1297 ngx_int_t rc; |
| 1298 ngx_http_variable_t *v; | |
| 501 | 1299 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1300 |
| 509 | 1301 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1302 | |
| 611 | 1303 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1304 sizeof(ngx_hash_keys_arrays_t)); | |
| 1305 if (cmcf->variables_keys == NULL) { | |
| 1306 return NGX_ERROR; | |
| 1307 } | |
| 1308 | |
| 1309 cmcf->variables_keys->pool = cf->pool; | |
| 1310 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1311 | |
| 1312 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1313 != NGX_OK) | |
| 509 | 1314 { |
| 499 | 1315 return NGX_ERROR; |
| 1316 } | |
| 1317 | |
| 611 | 1318 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1319 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1320 NGX_HASH_READONLY_KEY); | |
| 1321 | |
| 1322 if (rc == NGX_OK) { | |
| 1323 continue; | |
| 499 | 1324 } |
| 1325 | |
| 611 | 1326 if (rc == NGX_BUSY) { |
| 1327 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1328 "conflicting variable name \"%V\"", &v->name); | |
| 1329 } | |
| 1330 | |
| 1331 return NGX_ERROR; | |
| 499 | 1332 } |
| 1333 | |
| 1334 return NGX_OK; | |
| 1335 } | |
| 509 | 1336 |
| 1337 | |
| 1338 ngx_int_t | |
| 1339 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1340 { | |
| 1341 ngx_uint_t i, n; | |
| 611 | 1342 ngx_hash_key_t *key; |
| 1343 ngx_hash_init_t hash; | |
| 509 | 1344 ngx_http_variable_t *v, *av; |
| 1345 ngx_http_core_main_conf_t *cmcf; | |
| 1346 | |
| 1347 /* set the handlers for the indexed http variables */ | |
| 1348 | |
| 1349 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1350 | |
| 1351 v = cmcf->variables.elts; | |
| 611 | 1352 key = cmcf->variables_keys->keys.elts; |
| 509 | 1353 |
| 1354 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1355 | |
| 611 | 1356 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1357 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1358 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1359 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1360 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1361 && v[i].name.len == key[n].key.len |
| 611 | 1362 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1363 == 0) |
| 1364 { | |
| 637 | 1365 v[i].get_handler = av->get_handler; |
| 611 | 1366 v[i].data = av->data; |
| 527 | 1367 |
| 611 | 1368 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1369 v[i].flags = av->flags; | |
| 509 | 1370 |
| 611 | 1371 av->index = i; |
| 533 | 1372 |
| 509 | 1373 goto next; |
| 1374 } | |
| 1375 } | |
| 1376 | |
| 1377 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1378 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1379 v[i].data = (uintptr_t) &v[i].name; |
| 1380 | |
| 1381 continue; | |
| 1382 } | |
| 1383 | |
| 1384 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1385 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1386 v[i].data = (uintptr_t) &v[i].name; |
| 1387 | |
| 1388 continue; | |
| 1389 } | |
| 1390 | |
| 1162 | 1391 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1392 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1393 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1394 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1395 |
| 1396 continue; | |
| 1397 } | |
| 1398 | |
| 509 | 1399 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1400 "unknown \"%V\" variable", &v[i].name); | |
| 1401 | |
| 1402 return NGX_ERROR; | |
| 1403 | |
| 1404 next: | |
| 1405 continue; | |
| 1406 } | |
| 1407 | |
| 1408 | |
| 611 | 1409 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1410 av = key[n].value; | |
| 1411 | |
| 1412 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1413 key[n].key.data = NULL; | |
| 583 | 1414 } |
| 1415 } | |
| 1416 | |
| 1417 | |
| 611 | 1418 hash.hash = &cmcf->variables_hash; |
| 1419 hash.key = ngx_hash_key; | |
| 1420 hash.max_size = cmcf->variables_hash_max_size; | |
| 1421 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1422 hash.name = "variables_hash"; | |
| 1423 hash.pool = cf->pool; | |
| 1424 hash.temp_pool = NULL; | |
| 509 | 1425 |
| 611 | 1426 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1427 cmcf->variables_keys->keys.nelts) | |
| 581 | 1428 != NGX_OK) |
| 509 | 1429 { |
| 1430 return NGX_ERROR; | |
| 1431 } | |
| 1432 | |
| 611 | 1433 cmcf->variables_keys = NULL; |
| 509 | 1434 |
| 1435 return NGX_OK; | |
| 1436 } |