Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2007:b9de93d804ea
*) host in request line has priority
*) allow several Host headers
*) validate host
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 15 May 2008 14:44:47 +0000 |
| parents | 0d9c6fe7502b |
| children | b56d4b1ebac7 |
| 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()
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changeset
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32 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
|
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ngx_http_variable_binary_remote_addr()
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parents:
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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); | |
| 499 | 78 |
| 509 | 79 /* |
| 80 * TODO: | |
| 81 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 82 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 83 * SERVER_SOFTWARE | |
| 84 * | |
| 571 | 85 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 86 */ |
| 499 | 87 |
| 641 | 88 /* |
| 89 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 90 * and $http_x_forwarded_for variables may be handled by generic | |
| 91 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 92 * they are handled using dedicated entries | |
| 93 */ | |
| 94 | |
| 509 | 95 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 96 | |
| 637 | 97 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 98 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 99 |
| 637 | 100 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 101 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 102 |
| 637 | 103 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 104 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 105 |
| 106 #if (NGX_HTTP_GZIP) | |
| 637 | 107 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 108 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 109 #endif |
| 110 | |
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optimize $http_x_forwarded_for
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parents:
983
diff
changeset
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111 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 112 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 113 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 114 #endif |
| 115 | |
| 637 | 116 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 118 |
| 637 | 119 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 120 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 121 |
| 637 | 122 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 123 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 124 |
| 637 | 125 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 126 |
| 982 | 127 { ngx_string("binary_remote_addr"), NULL, |
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ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
128 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 129 |
| 637 | 130 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 131 |
| 637 | 132 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 133 |
| 637 | 134 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 137 |
| 637 | 138 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 139 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 140 |
| 731 | 141 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 142 | |
| 637 | 143 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 144 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 145 |
| 637 | 146 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 147 offsetof(ngx_http_request_t, uri), | |
| 1565 | 148 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 149 |
| 150 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 151 offsetof(ngx_http_request_t, uri), |
| 1565 | 152 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 153 |
| 637 | 154 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 155 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 156 | |
| 637 | 157 { ngx_string("document_root"), NULL, |
| 1565 | 158 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 159 |
| 637 | 160 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 161 offsetof(ngx_http_request_t, args), |
| 1565 | 162 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 163 |
| 1350 | 164 { ngx_string("args"), |
| 165 ngx_http_variable_request_set, | |
| 166 ngx_http_variable_request, | |
| 589 | 167 offsetof(ngx_http_request_t, args), |
| 1565 | 168 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 169 |
| 1351 | 170 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 171 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 172 |
| 637 | 173 { ngx_string("request_filename"), NULL, |
| 174 ngx_http_variable_request_filename, 0, | |
| 1565 | 175 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 176 |
| 1811 | 177 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 178 |
| 637 | 179 { ngx_string("request_method"), NULL, |
| 180 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 181 |
| 637 | 182 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 183 |
| 637 | 184 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 185 0, 0, 0 }, |
| 186 | |
| 637 | 187 { ngx_string("request_completion"), NULL, |
| 188 ngx_http_variable_request_completion, | |
| 629 | 189 0, 0, 0 }, |
| 190 | |
| 759 | 191 { ngx_string("request_body_file"), NULL, |
| 192 ngx_http_variable_request_body_file, | |
| 193 0, 0, 0 }, | |
| 194 | |
| 641 | 195 { ngx_string("sent_http_content_type"), NULL, |
| 196 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 197 | |
| 198 { ngx_string("sent_http_content_length"), NULL, | |
| 199 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 200 | |
| 201 { ngx_string("sent_http_last_modified"), NULL, | |
| 202 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 203 | |
| 204 { ngx_string("sent_http_connection"), NULL, | |
| 205 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 206 | |
| 207 { ngx_string("sent_http_keep_alive"), NULL, | |
| 208 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 209 | |
| 210 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 211 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 212 | |
| 213 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 214 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 215 | |
| 637 | 216 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 217 ngx_http_variable_request, | |
| 218 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 219 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 220 |
| 1329 | 221 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 222 0, 0, 0 }, | |
| 223 | |
| 637 | 224 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 225 }; |
| 226 | |
| 227 | |
| 577 | 228 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 229 ngx_http_variable(""); | |
| 230 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 231 ngx_http_variable("1"); | |
| 232 | |
| 233 | |
| 499 | 234 ngx_http_variable_t * |
| 509 | 235 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 236 { | |
| 611 | 237 ngx_int_t rc; |
| 509 | 238 ngx_uint_t i; |
| 611 | 239 ngx_hash_key_t *key; |
| 509 | 240 ngx_http_variable_t *v; |
| 241 ngx_http_core_main_conf_t *cmcf; | |
| 242 | |
| 243 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 244 | |
| 611 | 245 key = cmcf->variables_keys->keys.elts; |
| 246 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 247 if (name->len != key[i].key.len | |
| 248 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 249 { |
| 250 continue; | |
| 251 } | |
| 252 | |
| 611 | 253 v = key[i].value; |
| 254 | |
| 1565 | 255 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 256 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 257 "the duplicate \"%V\" variable", name); | |
| 258 return NULL; | |
| 259 } | |
| 260 | |
| 611 | 261 return v; |
| 509 | 262 } |
| 263 | |
| 611 | 264 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 265 if (v == NULL) { |
| 266 return NULL; | |
| 267 } | |
| 268 | |
| 269 v->name.len = name->len; | |
| 270 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 271 if (v->name.data == NULL) { | |
| 272 return NULL; | |
| 273 } | |
| 274 | |
| 275 for (i = 0; i < name->len; i++) { | |
| 276 v->name.data[i] = ngx_tolower(name->data[i]); | |
| 277 } | |
| 278 | |
| 637 | 279 v->set_handler = NULL; |
| 280 v->get_handler = NULL; | |
| 509 | 281 v->data = 0; |
| 282 v->flags = flags; | |
| 533 | 283 v->index = 0; |
| 509 | 284 |
| 611 | 285 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 286 | |
| 287 if (rc == NGX_ERROR) { | |
| 288 return NULL; | |
| 289 } | |
| 290 | |
| 291 if (rc == NGX_BUSY) { | |
| 292 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 293 "conflicting variable name \"%V\"", name); | |
| 294 return NULL; | |
| 295 } | |
| 296 | |
| 509 | 297 return v; |
| 298 } | |
| 299 | |
| 300 | |
| 301 ngx_int_t | |
| 302 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 303 { |
| 501 | 304 ngx_uint_t i; |
| 305 ngx_http_variable_t *v; | |
| 499 | 306 ngx_http_core_main_conf_t *cmcf; |
| 307 | |
| 308 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 309 | |
| 501 | 310 v = cmcf->variables.elts; |
| 311 | |
| 312 if (v == NULL) { | |
| 499 | 313 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 314 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 315 { | |
| 509 | 316 return NGX_ERROR; |
| 499 | 317 } |
| 501 | 318 |
| 319 } else { | |
| 320 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 321 if (name->len != v[i].name.len | |
| 322 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 323 { | |
| 324 continue; | |
| 325 } | |
| 326 | |
| 509 | 327 return i; |
| 501 | 328 } |
| 499 | 329 } |
| 330 | |
| 501 | 331 v = ngx_array_push(&cmcf->variables); |
| 332 if (v == NULL) { | |
| 509 | 333 return NGX_ERROR; |
| 499 | 334 } |
| 335 | |
| 501 | 336 v->name.len = name->len; |
| 337 v->name.data = ngx_palloc(cf->pool, name->len); | |
| 338 if (v->name.data == NULL) { | |
| 509 | 339 return NGX_ERROR; |
| 501 | 340 } |
| 499 | 341 |
| 501 | 342 for (i = 0; i < name->len; i++) { |
| 509 | 343 v->name.data[i] = ngx_tolower(name->data[i]); |
| 501 | 344 } |
| 345 | |
| 637 | 346 v->set_handler = NULL; |
| 347 v->get_handler = NULL; | |
| 501 | 348 v->data = 0; |
| 509 | 349 v->flags = 0; |
| 533 | 350 v->index = cmcf->variables.nelts - 1; |
| 501 | 351 |
| 509 | 352 return cmcf->variables.nelts - 1; |
| 499 | 353 } |
| 354 | |
| 355 | |
| 356 ngx_http_variable_value_t * | |
| 357 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 358 { | |
| 501 | 359 ngx_http_variable_t *v; |
| 499 | 360 ngx_http_core_main_conf_t *cmcf; |
| 361 | |
| 362 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 363 | |
| 553 | 364 if (cmcf->variables.nelts <= index) { |
| 499 | 365 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 366 "unknown variable index: %d", index); | |
| 367 return NULL; | |
| 368 } | |
| 369 | |
| 573 | 370 if (r->variables[index].not_found || r->variables[index].valid) { |
| 371 return &r->variables[index]; | |
| 501 | 372 } |
| 499 | 373 |
| 501 | 374 v = cmcf->variables.elts; |
| 499 | 375 |
| 637 | 376 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 377 == NGX_OK) | |
| 378 { | |
| 1565 | 379 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 380 r->variables[index].no_cacheable = 1; | |
| 499 | 381 } |
| 573 | 382 |
| 383 return &r->variables[index]; | |
| 499 | 384 } |
| 385 | |
| 657 | 386 r->variables[index].valid = 0; |
| 387 r->variables[index].not_found = 1; | |
| 388 | |
| 798 | 389 return NULL; |
| 573 | 390 } |
| 391 | |
| 392 | |
| 393 ngx_http_variable_value_t * | |
| 394 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 395 { | |
| 1150 | 396 ngx_http_variable_value_t *v; |
| 573 | 397 |
| 398 v = &r->variables[index]; | |
| 399 | |
| 400 if (v->valid) { | |
| 1565 | 401 if (!v->no_cacheable) { |
| 573 | 402 return v; |
| 403 } | |
| 404 | |
| 405 v->valid = 0; | |
| 406 v->not_found = 0; | |
| 509 | 407 } |
| 501 | 408 |
| 573 | 409 return ngx_http_get_indexed_variable(r, index); |
| 499 | 410 } |
| 411 | |
| 412 | |
| 413 ngx_http_variable_value_t * | |
| 635 | 414 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 415 ngx_uint_t nowarn) | |
| 499 | 416 { |
| 501 | 417 ngx_http_variable_t *v; |
| 573 | 418 ngx_http_variable_value_t *vv; |
| 499 | 419 ngx_http_core_main_conf_t *cmcf; |
| 420 | |
| 421 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 422 | |
| 611 | 423 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 424 |
| 611 | 425 if (v) { |
| 426 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 427 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 428 |
| 429 } else { | |
| 499 | 430 |
| 573 | 431 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 432 |
| 637 | 433 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 434 return vv; |
| 435 } | |
| 509 | 436 |
| 573 | 437 return NULL; |
| 438 } | |
| 509 | 439 } |
| 440 | |
| 441 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 442 if (vv == NULL) { | |
| 443 return NULL; | |
| 444 } | |
| 445 | |
| 573 | 446 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 447 |
| 577 | 448 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 449 == NGX_OK) | |
| 450 { | |
| 451 return vv; | |
| 452 } | |
| 453 | |
| 454 return NULL; | |
| 455 } | |
| 456 | |
| 457 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 458 | |
| 459 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 460 == NGX_OK) | |
| 573 | 461 { |
| 462 return vv; | |
| 463 } | |
| 499 | 464 |
| 465 return NULL; | |
| 466 } | |
| 467 | |
| 1162 | 468 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 469 | |
| 470 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 471 == NGX_OK) | |
| 472 { | |
| 473 return vv; | |
| 474 } | |
| 475 | |
| 476 return NULL; | |
| 477 } | |
| 478 | |
| 635 | 479 vv->not_found = 1; |
| 573 | 480 |
| 635 | 481 if (nowarn == 0) { |
| 482 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 483 "unknown \"%V\" variable", name); | |
| 484 } | |
| 499 | 485 |
| 501 | 486 return vv; |
| 499 | 487 } |
| 488 | |
| 489 | |
| 573 | 490 static ngx_int_t |
| 491 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 492 uintptr_t data) | |
| 493 { | |
| 494 ngx_str_t *s; | |
| 495 | |
| 496 s = (ngx_str_t *) ((char *) r + data); | |
| 497 | |
| 498 if (s->data) { | |
| 499 v->len = s->len; | |
| 500 v->valid = 1; | |
| 1565 | 501 v->no_cacheable = 0; |
| 573 | 502 v->not_found = 0; |
| 503 v->data = s->data; | |
| 504 | |
| 505 } else { | |
| 506 v->not_found = 1; | |
| 507 } | |
| 508 | |
| 509 return NGX_OK; | |
| 510 } | |
| 511 | |
| 512 | |
| 637 | 513 static void |
| 1350 | 514 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 515 ngx_http_variable_value_t *v, uintptr_t data) | |
| 516 { | |
| 517 ngx_str_t *s; | |
| 518 | |
| 519 s = (ngx_str_t *) ((char *) r + data); | |
| 520 | |
| 521 s->len = v->len; | |
| 522 s->data = v->data; | |
| 523 } | |
| 524 | |
| 525 | |
| 526 static void | |
| 637 | 527 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 528 ngx_http_variable_value_t *v, uintptr_t data) | |
| 529 { | |
| 530 ssize_t s, *sp; | |
| 531 ngx_str_t val; | |
| 532 | |
|
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533 val.len = v->len; |
| 637 | 534 val.data = v->data; |
| 535 | |
| 536 s = ngx_parse_size(&val); | |
| 537 | |
| 538 if (s == NGX_ERROR) { | |
| 539 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 540 "invalid size \"%V\"", &val); | |
| 541 return; | |
| 542 } | |
| 543 | |
| 544 sp = (ssize_t *) ((char *) r + data); | |
| 545 | |
| 546 *sp = s; | |
| 547 | |
| 548 return; | |
| 549 } | |
| 550 | |
| 551 | |
| 573 | 552 static ngx_int_t |
| 553 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 554 uintptr_t data) | |
| 515 | 555 { |
| 573 | 556 ngx_table_elt_t *h; |
| 557 | |
| 558 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 559 | |
| 560 if (h) { | |
| 561 v->len = h->value.len; | |
| 562 v->valid = 1; | |
| 1565 | 563 v->no_cacheable = 0; |
| 573 | 564 v->not_found = 0; |
| 565 v->data = h->value.data; | |
| 566 | |
| 567 } else { | |
| 568 v->not_found = 1; | |
| 569 } | |
| 570 | |
| 571 return NGX_OK; | |
| 572 } | |
| 573 | |
| 574 | |
| 575 static ngx_int_t | |
| 576 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 577 uintptr_t data) | |
| 578 { | |
| 667 | 579 ssize_t len; |
| 573 | 580 u_char *p; |
| 667 | 581 ngx_uint_t i, n; |
| 573 | 582 ngx_array_t *a; |
| 583 ngx_table_elt_t **h; | |
| 515 | 584 |
| 585 a = (ngx_array_t *) ((char *) r + data); | |
| 586 | |
| 667 | 587 n = a->nelts; |
| 588 | |
| 589 if (n == 0) { | |
| 573 | 590 v->not_found = 1; |
| 591 return NGX_OK; | |
| 515 | 592 } |
| 593 | |
| 573 | 594 v->valid = 1; |
| 1565 | 595 v->no_cacheable = 0; |
| 573 | 596 v->not_found = 0; |
| 515 | 597 |
| 598 h = a->elts; | |
| 599 | |
| 667 | 600 if (n == 1) { |
| 573 | 601 v->len = (*h)->value.len; |
| 602 v->data = (*h)->value.data; | |
| 515 | 603 |
| 573 | 604 return NGX_OK; |
| 515 | 605 } |
| 606 | |
| 667 | 607 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 608 |
| 667 | 609 for (i = 0; i < n; i++) { |
| 573 | 610 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 611 } |
| 612 | |
| 573 | 613 p = ngx_palloc(r->pool, len); |
| 614 if (p == NULL) { | |
| 615 return NGX_ERROR; | |
| 616 } | |
| 617 | |
| 618 v->len = len; | |
| 619 v->data = p; | |
| 515 | 620 |
| 621 for (i = 0; /* void */ ; i++) { | |
| 573 | 622 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 623 |
| 667 | 624 if (i == n - 1) { |
| 515 | 625 break; |
| 626 } | |
| 627 | |
| 628 *p++ = ';'; *p++ = ' '; | |
| 629 } | |
| 630 | |
| 573 | 631 return NGX_OK; |
| 515 | 632 } |
| 633 | |
| 634 | |
| 573 | 635 static ngx_int_t |
| 577 | 636 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 637 ngx_http_variable_value_t *v, uintptr_t data) | |
| 638 { | |
| 639 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 640 &r->headers_in.headers.part, | |
| 641 sizeof("http_") - 1); | |
| 642 } | |
| 643 | |
| 644 | |
| 645 static ngx_int_t | |
| 646 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 647 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 648 { |
| 577 | 649 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 650 &r->headers_out.headers.part, | |
| 651 sizeof("sent_http_") - 1); | |
| 652 } | |
| 501 | 653 |
| 577 | 654 |
| 1162 | 655 ngx_int_t |
| 577 | 656 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 657 ngx_list_part_t *part, size_t prefix) | |
| 658 { | |
| 573 | 659 u_char ch; |
| 660 ngx_uint_t i, n; | |
| 661 ngx_table_elt_t *header; | |
| 499 | 662 |
| 663 header = part->elts; | |
| 664 | |
| 665 for (i = 0; /* void */ ; i++) { | |
| 666 | |
| 667 if (i >= part->nelts) { | |
| 668 if (part->next == NULL) { | |
| 669 break; | |
| 670 } | |
| 671 | |
| 672 part = part->next; | |
| 673 header = part->elts; | |
| 674 i = 0; | |
| 675 } | |
| 676 | |
| 577 | 677 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 678 ch = header[i].key.data[n]; |
| 679 | |
| 509 | 680 if (ch >= 'A' && ch <= 'Z') { |
| 681 ch |= 0x20; | |
| 499 | 682 |
| 683 } else if (ch == '-') { | |
| 684 ch = '_'; | |
| 685 } | |
| 686 | |
| 577 | 687 if (var->data[n + prefix] != ch) { |
| 499 | 688 break; |
| 689 } | |
| 690 } | |
| 691 | |
|
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692 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 693 v->len = header[i].value.len; |
| 694 v->valid = 1; | |
| 1565 | 695 v->no_cacheable = 0; |
| 573 | 696 v->not_found = 0; |
| 697 v->data = header[i].value.data; | |
| 499 | 698 |
| 573 | 699 return NGX_OK; |
| 499 | 700 } |
| 701 } | |
| 702 | |
| 573 | 703 v->not_found = 1; |
| 704 | |
| 705 return NGX_OK; | |
| 509 | 706 } |
| 707 | |
| 708 | |
| 573 | 709 static ngx_int_t |
| 710 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 711 uintptr_t data) | |
| 509 | 712 { |
| 1811 | 713 ngx_http_core_srv_conf_t *cscf; |
| 714 | |
|
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715 if (r->headers_in.server.len) { |
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716 v->len = r->headers_in.server.len; |
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717 v->data = r->headers_in.server.data; |
|
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718 |
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719 } else { |
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720 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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721 |
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722 v->len = cscf->server_name.len; |
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723 v->data = cscf->server_name.data; |
| 509 | 724 } |
| 725 | |
| 573 | 726 v->valid = 1; |
| 1565 | 727 v->no_cacheable = 0; |
| 573 | 728 v->not_found = 0; |
| 509 | 729 |
| 573 | 730 return NGX_OK; |
| 499 | 731 } |
| 732 | |
| 733 | |
| 573 | 734 static ngx_int_t |
|
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735 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 736 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 737 { |
| 982 | 738 struct sockaddr_in *sin; |
| 739 | |
|
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740 /* AF_INET only */ |
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741 |
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742 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 743 |
|
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744 v->len = sizeof(in_addr_t); |
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745 v->valid = 1; |
| 1565 | 746 v->no_cacheable = 0; |
|
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747 v->not_found = 0; |
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748 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 749 |
|
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750 return NGX_OK; |
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751 } |
| 982 | 752 |
| 753 | |
|
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754 static ngx_int_t |
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755 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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756 ngx_http_variable_value_t *v, uintptr_t data) |
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757 { |
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758 v->len = r->connection->addr_text.len; |
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759 v->valid = 1; |
| 1565 | 760 v->no_cacheable = 0; |
|
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761 v->not_found = 0; |
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762 v->data = r->connection->addr_text.data; |
| 499 | 763 |
| 573 | 764 return NGX_OK; |
| 499 | 765 } |
| 766 | |
| 767 | |
| 573 | 768 static ngx_int_t |
| 769 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 770 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 771 { |
| 573 | 772 ngx_uint_t port; |
| 773 struct sockaddr_in *sin; | |
| 509 | 774 |
| 573 | 775 v->len = 0; |
| 776 v->valid = 1; | |
| 1565 | 777 v->no_cacheable = 0; |
| 573 | 778 v->not_found = 0; |
| 509 | 779 |
| 573 | 780 v->data = ngx_palloc(r->pool, sizeof("65535") - 1); |
| 781 if (v->data == NULL) { | |
| 782 return NGX_ERROR; | |
| 509 | 783 } |
| 784 | |
| 785 /* AF_INET only */ | |
| 577 | 786 |
| 509 | 787 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 788 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 789 |
| 509 | 790 port = ntohs(sin->sin_port); |
| 577 | 791 |
| 509 | 792 if (port > 0 && port < 65536) { |
| 573 | 793 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 794 } |
| 795 } | |
| 796 | |
| 573 | 797 return NGX_OK; |
| 509 | 798 } |
| 799 | |
| 800 | |
| 573 | 801 static ngx_int_t |
| 802 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 803 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 804 { |
| 1805 | 805 ngx_str_t s; |
| 499 | 806 |
| 1805 | 807 s.data = ngx_palloc(r->pool, INET_ADDRSTRLEN); |
| 808 if (s.data == NULL) { | |
| 573 | 809 return NGX_ERROR; |
| 509 | 810 } |
| 811 | |
| 1805 | 812 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 813 return NGX_ERROR; | |
| 509 | 814 } |
| 815 | |
| 1805 | 816 v->len = s.len; |
| 573 | 817 v->valid = 1; |
| 1565 | 818 v->no_cacheable = 0; |
| 573 | 819 v->not_found = 0; |
| 1805 | 820 v->data = s.data; |
| 499 | 821 |
| 573 | 822 return NGX_OK; |
| 499 | 823 } |
| 824 | |
| 825 | |
| 573 | 826 static ngx_int_t |
| 827 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 828 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 829 { |
| 573 | 830 v->len = r->port_text->len - 1; |
| 831 v->valid = 1; | |
| 1565 | 832 v->no_cacheable = 0; |
| 573 | 833 v->not_found = 0; |
| 834 v->data = r->port_text->data + 1; | |
| 509 | 835 |
| 573 | 836 return NGX_OK; |
| 509 | 837 } |
| 838 | |
| 839 | |
| 573 | 840 static ngx_int_t |
| 731 | 841 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 842 ngx_http_variable_value_t *v, uintptr_t data) | |
| 843 { | |
| 844 #if (NGX_HTTP_SSL) | |
| 845 | |
| 846 if (r->connection->ssl) { | |
| 847 v->len = sizeof("https") - 1; | |
| 848 v->valid = 1; | |
| 1565 | 849 v->no_cacheable = 0; |
| 731 | 850 v->not_found = 0; |
| 732 | 851 v->data = (u_char *) "https"; |
| 731 | 852 |
| 853 return NGX_OK; | |
| 854 } | |
| 855 | |
| 856 #endif | |
| 857 | |
| 858 v->len = sizeof("http") - 1; | |
| 859 v->valid = 1; | |
| 1565 | 860 v->no_cacheable = 0; |
| 731 | 861 v->not_found = 0; |
| 732 | 862 v->data = (u_char *) "http"; |
| 731 | 863 |
| 864 return NGX_OK; | |
| 865 } | |
| 866 | |
| 867 | |
| 868 static ngx_int_t | |
| 1351 | 869 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 870 ngx_http_variable_value_t *v, uintptr_t data) | |
| 871 { | |
| 872 v->valid = 1; | |
| 1565 | 873 v->no_cacheable = 0; |
| 1351 | 874 v->not_found = 0; |
| 875 | |
| 876 if (r->args.len == 0) { | |
| 877 v->len = 0; | |
| 878 v->data = NULL; | |
| 879 return NGX_OK; | |
| 880 } | |
| 881 | |
| 882 v->len = 1; | |
| 883 v->data = (u_char *) "?"; | |
| 884 | |
| 885 return NGX_OK; | |
| 886 } | |
| 887 | |
| 888 | |
| 889 static ngx_int_t | |
| 573 | 890 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 891 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 892 { |
| 671 | 893 ngx_str_t path; |
| 573 | 894 ngx_http_core_loc_conf_t *clcf; |
| 509 | 895 |
| 896 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 897 | |
| 671 | 898 if (clcf->root_lengths == NULL) { |
| 899 v->len = clcf->root.len; | |
| 900 v->valid = 1; | |
| 1565 | 901 v->no_cacheable = 0; |
| 671 | 902 v->not_found = 0; |
| 903 v->data = clcf->root.data; | |
| 904 | |
| 905 } else { | |
| 906 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 907 clcf->root_values->elts) | |
| 908 == NULL) | |
| 909 { | |
| 910 return NGX_ERROR; | |
| 911 } | |
| 912 | |
| 1352 | 913 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 914 == NGX_ERROR) | |
| 915 { | |
| 671 | 916 return NGX_ERROR; |
| 917 } | |
| 918 | |
| 919 v->len = path.len; | |
| 920 v->valid = 1; | |
| 1565 | 921 v->no_cacheable = 0; |
| 671 | 922 v->not_found = 0; |
| 923 v->data = path.data; | |
| 924 } | |
| 509 | 925 |
| 573 | 926 return NGX_OK; |
| 509 | 927 } |
| 928 | |
| 929 | |
| 573 | 930 static ngx_int_t |
| 931 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 932 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 933 { |
| 773 | 934 size_t root; |
| 573 | 935 ngx_str_t path; |
| 499 | 936 |
| 773 | 937 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 938 return NGX_ERROR; |
| 557 | 939 } |
| 509 | 940 |
| 557 | 941 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 942 |
| 573 | 943 v->len = path.len - 1; |
| 944 v->valid = 1; | |
| 1565 | 945 v->no_cacheable = 0; |
| 573 | 946 v->not_found = 0; |
| 947 v->data = path.data; | |
| 499 | 948 |
| 573 | 949 return NGX_OK; |
| 499 | 950 } |
| 951 | |
| 952 | |
| 573 | 953 static ngx_int_t |
| 1811 | 954 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 955 ngx_http_variable_value_t *v, uintptr_t data) | |
| 956 { | |
| 957 ngx_http_core_srv_conf_t *cscf; | |
| 958 | |
| 959 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 960 | |
| 961 v->len = cscf->server_name.len; | |
| 962 v->valid = 1; | |
| 963 v->no_cacheable = 0; | |
| 964 v->not_found = 0; | |
| 965 v->data = cscf->server_name.data; | |
| 966 | |
| 967 return NGX_OK; | |
| 968 } | |
| 969 | |
| 970 | |
| 971 static ngx_int_t | |
| 573 | 972 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 973 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 974 { |
| 647 | 975 if (r->main->method_name.data) { |
| 976 v->len = r->main->method_name.len; | |
| 573 | 977 v->valid = 1; |
| 1565 | 978 v->no_cacheable = 0; |
| 573 | 979 v->not_found = 0; |
| 647 | 980 v->data = r->main->method_name.data; |
| 573 | 981 |
| 982 } else { | |
| 983 v->not_found = 1; | |
| 561 | 984 } |
| 985 | |
| 573 | 986 return NGX_OK; |
| 561 | 987 } |
| 988 | |
| 989 | |
| 573 | 990 static ngx_int_t |
| 991 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 992 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 993 { |
| 573 | 994 ngx_int_t rc; |
| 539 | 995 |
| 996 rc = ngx_http_auth_basic_user(r); | |
| 997 | |
| 998 if (rc == NGX_DECLINED) { | |
| 573 | 999 v->not_found = 1; |
| 1000 return NGX_OK; | |
| 539 | 1001 } |
| 1002 | |
| 1003 if (rc == NGX_ERROR) { | |
| 573 | 1004 return NGX_ERROR; |
| 539 | 1005 } |
| 1006 | |
| 573 | 1007 v->len = r->headers_in.user.len; |
| 1008 v->valid = 1; | |
| 1565 | 1009 v->no_cacheable = 0; |
| 573 | 1010 v->not_found = 0; |
| 1011 v->data = r->headers_in.user.data; | |
| 571 | 1012 |
| 573 | 1013 return NGX_OK; |
| 571 | 1014 } |
| 1015 | |
| 1016 | |
| 611 | 1017 static ngx_int_t |
| 1018 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1019 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1020 { | |
| 1021 off_t sent; | |
| 1022 u_char *p; | |
| 1023 | |
| 1024 sent = r->connection->sent - r->header_size; | |
| 1025 | |
| 1026 if (sent < 0) { | |
| 1027 sent = 0; | |
| 1028 } | |
| 1029 | |
| 1030 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1031 if (p == NULL) { | |
| 1032 return NGX_ERROR; | |
| 1033 } | |
| 1034 | |
| 1035 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1036 v->valid = 1; | |
| 1565 | 1037 v->no_cacheable = 0; |
| 611 | 1038 v->not_found = 0; |
| 1039 v->data = p; | |
| 1040 | |
| 1041 return NGX_OK; | |
| 1042 } | |
| 1043 | |
| 1044 | |
| 629 | 1045 static ngx_int_t |
| 641 | 1046 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1047 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1048 { | |
| 1049 if (r->headers_out.content_type.len) { | |
| 1050 v->len = r->headers_out.content_type.len; | |
| 1051 v->valid = 1; | |
| 1565 | 1052 v->no_cacheable = 0; |
| 641 | 1053 v->not_found = 0; |
| 1054 v->data = r->headers_out.content_type.data; | |
| 1055 | |
| 1056 } else { | |
| 1057 v->not_found = 1; | |
| 1058 } | |
| 1059 | |
| 1060 return NGX_OK; | |
| 1061 } | |
| 1062 | |
| 1063 | |
| 1064 static ngx_int_t | |
| 1065 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1066 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1067 { | |
| 1068 u_char *p; | |
| 1069 | |
| 1070 if (r->headers_out.content_length) { | |
| 1071 v->len = r->headers_out.content_length->value.len; | |
| 1072 v->valid = 1; | |
| 1565 | 1073 v->no_cacheable = 0; |
| 641 | 1074 v->not_found = 0; |
| 1075 v->data = r->headers_out.content_length->value.data; | |
| 1076 | |
| 1077 return NGX_OK; | |
| 1078 } | |
| 1079 | |
| 1080 if (r->headers_out.content_length_n >= 0) { | |
| 1081 p = ngx_palloc(r->pool, NGX_OFF_T_LEN); | |
| 1082 if (p == NULL) { | |
| 1083 return NGX_ERROR; | |
| 1084 } | |
| 1085 | |
| 1086 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1087 v->valid = 1; | |
| 1565 | 1088 v->no_cacheable = 0; |
| 641 | 1089 v->not_found = 0; |
| 1090 v->data = p; | |
| 1091 | |
| 1092 return NGX_OK; | |
| 1093 } | |
| 1094 | |
| 1095 v->not_found = 1; | |
| 1096 | |
| 1097 return NGX_OK; | |
| 1098 } | |
| 1099 | |
| 1100 | |
| 1101 static ngx_int_t | |
| 1102 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1103 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1104 { | |
| 1105 u_char *p; | |
| 1106 | |
| 1107 if (r->headers_out.last_modified) { | |
| 1108 v->len = r->headers_out.last_modified->value.len; | |
| 1109 v->valid = 1; | |
| 1565 | 1110 v->no_cacheable = 0; |
| 641 | 1111 v->not_found = 0; |
| 1112 v->data = r->headers_out.last_modified->value.data; | |
| 1113 | |
| 1114 return NGX_OK; | |
| 1115 } | |
| 1116 | |
| 1117 if (r->headers_out.last_modified_time >= 0) { | |
| 1118 p = ngx_palloc(r->pool, | |
| 1119 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); | |
| 1120 if (p == NULL) { | |
| 1121 return NGX_ERROR; | |
| 1122 } | |
| 1123 | |
| 1124 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1125 v->valid = 1; | |
| 1565 | 1126 v->no_cacheable = 0; |
| 641 | 1127 v->not_found = 0; |
| 1128 v->data = p; | |
| 1129 | |
| 1130 return NGX_OK; | |
| 1131 } | |
| 1132 | |
| 1133 v->not_found = 1; | |
| 1134 | |
| 1135 return NGX_OK; | |
| 1136 } | |
| 1137 | |
| 1138 | |
| 1139 static ngx_int_t | |
| 1140 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1141 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1142 { | |
| 1143 size_t len; | |
| 1144 char *p; | |
| 1145 | |
| 1146 if (r->keepalive) { | |
| 1147 len = sizeof("keep-alive") - 1; | |
| 1148 p = "keep-alive"; | |
| 1149 | |
| 1150 } else { | |
| 1151 len = sizeof("close") - 1; | |
| 1152 p = "close"; | |
| 1153 } | |
| 1154 | |
| 1155 v->len = len; | |
| 1156 v->valid = 1; | |
| 1565 | 1157 v->no_cacheable = 0; |
| 641 | 1158 v->not_found = 0; |
| 1159 v->data = (u_char *) p; | |
| 1160 | |
| 1161 return NGX_OK; | |
| 1162 } | |
| 1163 | |
| 1164 | |
| 1165 static ngx_int_t | |
| 1166 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1167 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1168 { | |
| 1169 u_char *p; | |
| 1170 ngx_http_core_loc_conf_t *clcf; | |
| 1171 | |
| 1172 if (r->keepalive) { | |
| 1173 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1174 | |
| 1175 if (clcf->keepalive_header) { | |
| 1176 | |
| 1177 p = ngx_palloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); | |
| 1178 if (p == NULL) { | |
| 1179 return NGX_ERROR; | |
| 1180 } | |
| 1181 | |
| 1182 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1183 v->valid = 1; | |
| 1565 | 1184 v->no_cacheable = 0; |
| 641 | 1185 v->not_found = 0; |
| 1186 v->data = p; | |
| 1187 | |
| 1188 return NGX_OK; | |
| 1189 } | |
| 1190 } | |
| 1191 | |
| 1192 v->not_found = 1; | |
| 1193 | |
| 1194 return NGX_OK; | |
| 1195 } | |
| 1196 | |
| 1197 | |
| 1198 static ngx_int_t | |
| 1199 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1200 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1201 { | |
| 1202 if (r->chunked) { | |
| 1203 v->len = sizeof("chunked") - 1; | |
| 1204 v->valid = 1; | |
| 1565 | 1205 v->no_cacheable = 0; |
| 641 | 1206 v->not_found = 0; |
| 1207 v->data = (u_char *) "chunked"; | |
| 1208 | |
| 1209 } else { | |
| 1210 v->not_found = 1; | |
| 1211 } | |
| 1212 | |
| 1213 return NGX_OK; | |
| 1214 } | |
| 1215 | |
| 1216 | |
| 1217 static ngx_int_t | |
| 629 | 1218 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1219 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1220 { | |
| 1221 if (r->request_complete) { | |
| 1222 v->len = 2; | |
| 1223 v->valid = 1; | |
| 1565 | 1224 v->no_cacheable = 0; |
| 629 | 1225 v->not_found = 0; |
| 1226 v->data = (u_char *) "OK"; | |
| 1227 | |
| 1228 return NGX_OK; | |
| 1229 } | |
| 1230 | |
| 1231 v->len = 0; | |
| 1232 v->valid = 1; | |
| 1565 | 1233 v->no_cacheable = 0; |
| 629 | 1234 v->not_found = 0; |
| 1235 v->data = (u_char *) ""; | |
| 1236 | |
| 1237 return NGX_OK; | |
| 1238 } | |
| 1239 | |
| 1240 | |
| 759 | 1241 static ngx_int_t |
| 1242 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1243 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1244 { | |
| 1245 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
|
1246 v->not_found = 1; |
| 759 | 1247 |
| 1248 return NGX_OK; | |
| 1249 } | |
| 1250 | |
| 1251 v->len = r->request_body->temp_file->file.name.len; | |
| 1252 v->valid = 1; | |
| 1565 | 1253 v->no_cacheable = 0; |
| 759 | 1254 v->not_found = 0; |
| 1255 v->data = r->request_body->temp_file->file.name.data; | |
| 1256 | |
| 1257 return NGX_OK; | |
| 1258 } | |
| 1259 | |
| 1260 | |
| 1329 | 1261 static ngx_int_t |
| 1262 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1263 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1264 { | |
| 1265 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1266 v->valid = 1; | |
| 1565 | 1267 v->no_cacheable = 0; |
| 1329 | 1268 v->not_found = 0; |
| 1269 v->data = (u_char *) NGINX_VERSION; | |
| 1270 | |
| 1271 return NGX_OK; | |
| 1272 } | |
| 1273 | |
| 1274 | |
| 499 | 1275 ngx_int_t |
| 509 | 1276 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1277 { |
| 611 | 1278 ngx_int_t rc; |
| 1279 ngx_http_variable_t *v; | |
| 501 | 1280 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1281 |
| 509 | 1282 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1283 | |
| 611 | 1284 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1285 sizeof(ngx_hash_keys_arrays_t)); | |
| 1286 if (cmcf->variables_keys == NULL) { | |
| 1287 return NGX_ERROR; | |
| 1288 } | |
| 1289 | |
| 1290 cmcf->variables_keys->pool = cf->pool; | |
| 1291 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1292 | |
| 1293 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1294 != NGX_OK) | |
| 509 | 1295 { |
| 499 | 1296 return NGX_ERROR; |
| 1297 } | |
| 1298 | |
| 611 | 1299 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1300 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1301 NGX_HASH_READONLY_KEY); | |
| 1302 | |
| 1303 if (rc == NGX_OK) { | |
| 1304 continue; | |
| 499 | 1305 } |
| 1306 | |
| 611 | 1307 if (rc == NGX_BUSY) { |
| 1308 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1309 "conflicting variable name \"%V\"", &v->name); | |
| 1310 } | |
| 1311 | |
| 1312 return NGX_ERROR; | |
| 499 | 1313 } |
| 1314 | |
| 1315 return NGX_OK; | |
| 1316 } | |
| 509 | 1317 |
| 1318 | |
| 1319 ngx_int_t | |
| 1320 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1321 { | |
| 1322 ngx_uint_t i, n; | |
| 611 | 1323 ngx_hash_key_t *key; |
| 1324 ngx_hash_init_t hash; | |
| 509 | 1325 ngx_http_variable_t *v, *av; |
| 1326 ngx_http_core_main_conf_t *cmcf; | |
| 1327 | |
| 1328 /* set the handlers for the indexed http variables */ | |
| 1329 | |
| 1330 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1331 | |
| 1332 v = cmcf->variables.elts; | |
| 611 | 1333 key = cmcf->variables_keys->keys.elts; |
| 509 | 1334 |
| 1335 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1336 | |
| 611 | 1337 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1338 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1339 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1340 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1341 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1342 && v[i].name.len == key[n].key.len |
| 611 | 1343 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1344 == 0) |
| 1345 { | |
| 637 | 1346 v[i].get_handler = av->get_handler; |
| 611 | 1347 v[i].data = av->data; |
| 527 | 1348 |
| 611 | 1349 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1350 v[i].flags = av->flags; | |
| 509 | 1351 |
| 611 | 1352 av->index = i; |
| 533 | 1353 |
| 509 | 1354 goto next; |
| 1355 } | |
| 1356 } | |
| 1357 | |
| 1358 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1359 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1360 v[i].data = (uintptr_t) &v[i].name; |
| 1361 | |
| 1362 continue; | |
| 1363 } | |
| 1364 | |
| 1365 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1366 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1367 v[i].data = (uintptr_t) &v[i].name; |
| 1368 | |
| 1369 continue; | |
| 1370 } | |
| 1371 | |
| 1162 | 1372 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1373 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1374 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1375 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1376 |
| 1377 continue; | |
| 1378 } | |
| 1379 | |
| 509 | 1380 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1381 "unknown \"%V\" variable", &v[i].name); | |
| 1382 | |
| 1383 return NGX_ERROR; | |
| 1384 | |
| 1385 next: | |
| 1386 continue; | |
| 1387 } | |
| 1388 | |
| 1389 | |
| 611 | 1390 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1391 av = key[n].value; | |
| 1392 | |
| 1393 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1394 key[n].key.data = NULL; | |
| 583 | 1395 } |
| 1396 } | |
| 1397 | |
| 1398 | |
| 611 | 1399 hash.hash = &cmcf->variables_hash; |
| 1400 hash.key = ngx_hash_key; | |
| 1401 hash.max_size = cmcf->variables_hash_max_size; | |
| 1402 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1403 hash.name = "variables_hash"; | |
| 1404 hash.pool = cf->pool; | |
| 1405 hash.temp_pool = NULL; | |
| 509 | 1406 |
| 611 | 1407 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1408 cmcf->variables_keys->keys.nelts) | |
| 581 | 1409 != NGX_OK) |
| 509 | 1410 { |
| 1411 return NGX_ERROR; | |
| 1412 } | |
| 1413 | |
| 611 | 1414 cmcf->variables_keys = NULL; |
| 509 | 1415 |
| 1416 return NGX_OK; | |
| 1417 } |