Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2137:76d5af541412
$arg_... variable
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 04 Aug 2008 11:10:52 +0000 |
| parents | 8c6521eedf84 |
| children | 74477ea8074f |
| 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); | |
| 2137 | 29 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 30 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 31 |
| 573 | 32 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 33 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:
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diff
changeset
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34 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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35 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 36 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 37 ngx_http_variable_value_t *v, uintptr_t data); | |
| 38 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 39 ngx_http_variable_value_t *v, uintptr_t data); | |
| 40 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 41 ngx_http_variable_value_t *v, uintptr_t data); | |
| 42 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 43 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 44 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 45 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 46 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 47 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 48 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 49 ngx_http_variable_value_t *v, uintptr_t data); | |
| 50 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 51 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 52 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 53 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 54 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 55 ngx_http_variable_value_t *v, uintptr_t data); | |
| 56 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 57 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 58 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 59 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 60 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 61 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 62 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 63 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 64 |
| 641 | 65 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 67 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 69 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 70 ngx_http_variable_value_t *v, uintptr_t data); | |
| 71 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 72 ngx_http_variable_value_t *v, uintptr_t data); | |
| 73 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 74 ngx_http_variable_value_t *v, uintptr_t data); | |
| 75 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 76 ngx_http_variable_value_t *v, uintptr_t data); | |
| 77 | |
| 1329 | 78 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 80 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 82 |
| 509 | 83 /* |
| 84 * TODO: | |
| 85 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 86 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 87 * SERVER_SOFTWARE | |
| 88 * | |
| 571 | 89 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 90 */ |
| 499 | 91 |
| 641 | 92 /* |
| 93 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 94 * and $http_x_forwarded_for variables may be handled by generic | |
| 95 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 96 * they are handled using dedicated entries | |
| 97 */ | |
| 98 | |
| 509 | 99 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 100 | |
| 637 | 101 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 102 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 103 |
| 637 | 104 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 105 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 106 |
| 637 | 107 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 108 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 109 |
| 110 #if (NGX_HTTP_GZIP) | |
| 637 | 111 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 112 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 113 #endif |
| 114 | |
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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115 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 116 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 118 #endif |
| 119 | |
| 637 | 120 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 121 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 122 |
| 637 | 123 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 124 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 125 |
| 637 | 126 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 127 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 128 |
| 637 | 129 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 130 |
| 982 | 131 { 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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132 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 133 |
| 637 | 134 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 135 |
| 637 | 136 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 137 |
| 637 | 138 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 139 |
| 637 | 140 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 141 |
| 637 | 142 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 143 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 144 |
| 731 | 145 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 146 | |
| 637 | 147 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 148 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 149 |
| 637 | 150 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 151 offsetof(ngx_http_request_t, uri), | |
| 1565 | 152 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 153 |
| 154 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 155 offsetof(ngx_http_request_t, uri), |
| 1565 | 156 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 157 |
| 637 | 158 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 159 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 160 | |
| 637 | 161 { ngx_string("document_root"), NULL, |
| 1565 | 162 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 163 |
| 637 | 164 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 165 offsetof(ngx_http_request_t, args), |
| 1565 | 166 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 167 |
| 1350 | 168 { ngx_string("args"), |
| 169 ngx_http_variable_request_set, | |
| 170 ngx_http_variable_request, | |
| 589 | 171 offsetof(ngx_http_request_t, args), |
| 1565 | 172 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 173 |
| 1351 | 174 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 175 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 176 |
| 637 | 177 { ngx_string("request_filename"), NULL, |
| 178 ngx_http_variable_request_filename, 0, | |
| 1565 | 179 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 180 |
| 1811 | 181 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 182 |
| 637 | 183 { ngx_string("request_method"), NULL, |
| 184 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 185 |
| 637 | 186 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 187 |
| 637 | 188 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 189 0, 0, 0 }, |
| 190 | |
| 637 | 191 { ngx_string("request_completion"), NULL, |
| 192 ngx_http_variable_request_completion, | |
| 629 | 193 0, 0, 0 }, |
| 194 | |
| 759 | 195 { ngx_string("request_body_file"), NULL, |
| 196 ngx_http_variable_request_body_file, | |
| 197 0, 0, 0 }, | |
| 198 | |
| 641 | 199 { ngx_string("sent_http_content_type"), NULL, |
| 200 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 201 | |
| 202 { ngx_string("sent_http_content_length"), NULL, | |
| 203 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 204 | |
| 205 { ngx_string("sent_http_last_modified"), NULL, | |
| 206 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 207 | |
| 208 { ngx_string("sent_http_connection"), NULL, | |
| 209 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 210 | |
| 211 { ngx_string("sent_http_keep_alive"), NULL, | |
| 212 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 213 | |
| 214 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 215 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 216 | |
| 217 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 218 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 219 | |
| 637 | 220 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 221 ngx_http_variable_request, | |
| 222 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 223 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 224 |
| 1329 | 225 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 226 0, 0, 0 }, | |
| 227 | |
| 2011 | 228 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 229 0, 0, 0 }, | |
| 230 | |
| 637 | 231 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 232 }; |
| 233 | |
| 234 | |
| 577 | 235 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 236 ngx_http_variable(""); | |
| 237 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 238 ngx_http_variable("1"); | |
| 239 | |
| 240 | |
| 499 | 241 ngx_http_variable_t * |
| 509 | 242 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 243 { | |
| 611 | 244 ngx_int_t rc; |
| 509 | 245 ngx_uint_t i; |
| 611 | 246 ngx_hash_key_t *key; |
| 509 | 247 ngx_http_variable_t *v; |
| 248 ngx_http_core_main_conf_t *cmcf; | |
| 249 | |
| 250 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 251 | |
| 611 | 252 key = cmcf->variables_keys->keys.elts; |
| 253 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 254 if (name->len != key[i].key.len | |
| 255 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 256 { |
| 257 continue; | |
| 258 } | |
| 259 | |
| 611 | 260 v = key[i].value; |
| 261 | |
| 1565 | 262 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 263 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 264 "the duplicate \"%V\" variable", name); | |
| 265 return NULL; | |
| 266 } | |
| 267 | |
| 611 | 268 return v; |
| 509 | 269 } |
| 270 | |
| 611 | 271 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 272 if (v == NULL) { |
| 273 return NULL; | |
| 274 } | |
| 275 | |
| 276 v->name.len = name->len; | |
| 2049 | 277 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 278 if (v->name.data == NULL) { |
| 279 return NULL; | |
| 280 } | |
| 281 | |
| 2135 | 282 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 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; |
| 2049 | 342 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 343 if (v->name.data == NULL) { |
| 509 | 344 return NGX_ERROR; |
| 501 | 345 } |
| 499 | 346 |
| 2135 | 347 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 348 |
| 637 | 349 v->set_handler = NULL; |
| 350 v->get_handler = NULL; | |
| 501 | 351 v->data = 0; |
| 509 | 352 v->flags = 0; |
| 533 | 353 v->index = cmcf->variables.nelts - 1; |
| 501 | 354 |
| 509 | 355 return cmcf->variables.nelts - 1; |
| 499 | 356 } |
| 357 | |
| 358 | |
| 359 ngx_http_variable_value_t * | |
| 360 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 361 { | |
| 501 | 362 ngx_http_variable_t *v; |
| 499 | 363 ngx_http_core_main_conf_t *cmcf; |
| 364 | |
| 365 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 366 | |
| 553 | 367 if (cmcf->variables.nelts <= index) { |
| 499 | 368 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 369 "unknown variable index: %d", index); | |
| 370 return NULL; | |
| 371 } | |
| 372 | |
| 573 | 373 if (r->variables[index].not_found || r->variables[index].valid) { |
| 374 return &r->variables[index]; | |
| 501 | 375 } |
| 499 | 376 |
| 501 | 377 v = cmcf->variables.elts; |
| 499 | 378 |
| 637 | 379 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 380 == NGX_OK) | |
| 381 { | |
| 1565 | 382 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 383 r->variables[index].no_cacheable = 1; | |
| 499 | 384 } |
| 573 | 385 |
| 386 return &r->variables[index]; | |
| 499 | 387 } |
| 388 | |
| 657 | 389 r->variables[index].valid = 0; |
| 390 r->variables[index].not_found = 1; | |
| 391 | |
| 798 | 392 return NULL; |
| 573 | 393 } |
| 394 | |
| 395 | |
| 396 ngx_http_variable_value_t * | |
| 397 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 398 { | |
| 1150 | 399 ngx_http_variable_value_t *v; |
| 573 | 400 |
| 401 v = &r->variables[index]; | |
| 402 | |
| 403 if (v->valid) { | |
| 1565 | 404 if (!v->no_cacheable) { |
| 573 | 405 return v; |
| 406 } | |
| 407 | |
| 408 v->valid = 0; | |
| 409 v->not_found = 0; | |
| 509 | 410 } |
| 501 | 411 |
| 573 | 412 return ngx_http_get_indexed_variable(r, index); |
| 499 | 413 } |
| 414 | |
| 415 | |
| 416 ngx_http_variable_value_t * | |
| 635 | 417 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 418 ngx_uint_t nowarn) | |
| 499 | 419 { |
| 501 | 420 ngx_http_variable_t *v; |
| 573 | 421 ngx_http_variable_value_t *vv; |
| 499 | 422 ngx_http_core_main_conf_t *cmcf; |
| 423 | |
| 424 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 425 | |
| 611 | 426 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 427 |
| 611 | 428 if (v) { |
| 429 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 430 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 431 |
| 432 } else { | |
| 499 | 433 |
| 573 | 434 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 435 |
| 637 | 436 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 437 return vv; |
| 438 } | |
| 509 | 439 |
| 573 | 440 return NULL; |
| 441 } | |
| 509 | 442 } |
| 443 | |
| 444 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 445 if (vv == NULL) { | |
| 446 return NULL; | |
| 447 } | |
| 448 | |
| 573 | 449 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 450 |
| 577 | 451 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 452 == NGX_OK) | |
| 453 { | |
| 454 return vv; | |
| 455 } | |
| 456 | |
| 457 return NULL; | |
| 458 } | |
| 459 | |
| 460 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 461 | |
| 462 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 463 == NGX_OK) | |
| 573 | 464 { |
| 465 return vv; | |
| 466 } | |
| 499 | 467 |
| 468 return NULL; | |
| 469 } | |
| 470 | |
| 1162 | 471 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 472 | |
| 473 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 474 == NGX_OK) | |
| 475 { | |
| 476 return vv; | |
| 477 } | |
| 478 | |
| 479 return NULL; | |
| 480 } | |
| 481 | |
| 2137 | 482 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 483 | |
| 484 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 485 return vv; | |
| 486 } | |
| 487 | |
| 488 return NULL; | |
| 489 } | |
| 490 | |
| 635 | 491 vv->not_found = 1; |
| 573 | 492 |
| 635 | 493 if (nowarn == 0) { |
| 494 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 495 "unknown \"%V\" variable", name); | |
| 496 } | |
| 499 | 497 |
| 501 | 498 return vv; |
| 499 | 499 } |
| 500 | |
| 501 | |
| 573 | 502 static ngx_int_t |
| 503 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 504 uintptr_t data) | |
| 505 { | |
| 506 ngx_str_t *s; | |
| 507 | |
| 508 s = (ngx_str_t *) ((char *) r + data); | |
| 509 | |
| 510 if (s->data) { | |
| 511 v->len = s->len; | |
| 512 v->valid = 1; | |
| 1565 | 513 v->no_cacheable = 0; |
| 573 | 514 v->not_found = 0; |
| 515 v->data = s->data; | |
| 516 | |
| 517 } else { | |
| 518 v->not_found = 1; | |
| 519 } | |
| 520 | |
| 521 return NGX_OK; | |
| 522 } | |
| 523 | |
| 524 | |
| 637 | 525 static void |
| 1350 | 526 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 527 ngx_http_variable_value_t *v, uintptr_t data) | |
| 528 { | |
| 529 ngx_str_t *s; | |
| 530 | |
| 531 s = (ngx_str_t *) ((char *) r + data); | |
| 532 | |
| 533 s->len = v->len; | |
| 534 s->data = v->data; | |
| 535 } | |
| 536 | |
| 537 | |
| 538 static void | |
| 637 | 539 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 540 ngx_http_variable_value_t *v, uintptr_t data) | |
| 541 { | |
| 542 ssize_t s, *sp; | |
| 543 ngx_str_t val; | |
| 544 | |
|
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545 val.len = v->len; |
| 637 | 546 val.data = v->data; |
| 547 | |
| 548 s = ngx_parse_size(&val); | |
| 549 | |
| 550 if (s == NGX_ERROR) { | |
| 551 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 552 "invalid size \"%V\"", &val); | |
| 553 return; | |
| 554 } | |
| 555 | |
| 556 sp = (ssize_t *) ((char *) r + data); | |
| 557 | |
| 558 *sp = s; | |
| 559 | |
| 560 return; | |
| 561 } | |
| 562 | |
| 563 | |
| 573 | 564 static ngx_int_t |
| 565 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 566 uintptr_t data) | |
| 515 | 567 { |
| 573 | 568 ngx_table_elt_t *h; |
| 569 | |
| 570 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 571 | |
| 572 if (h) { | |
| 573 v->len = h->value.len; | |
| 574 v->valid = 1; | |
| 1565 | 575 v->no_cacheable = 0; |
| 573 | 576 v->not_found = 0; |
| 577 v->data = h->value.data; | |
| 578 | |
| 579 } else { | |
| 580 v->not_found = 1; | |
| 581 } | |
| 582 | |
| 583 return NGX_OK; | |
| 584 } | |
| 585 | |
| 586 | |
| 587 static ngx_int_t | |
| 588 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 589 uintptr_t data) | |
| 590 { | |
| 667 | 591 ssize_t len; |
| 573 | 592 u_char *p; |
| 667 | 593 ngx_uint_t i, n; |
| 573 | 594 ngx_array_t *a; |
| 595 ngx_table_elt_t **h; | |
| 515 | 596 |
| 597 a = (ngx_array_t *) ((char *) r + data); | |
| 598 | |
| 667 | 599 n = a->nelts; |
| 600 | |
| 601 if (n == 0) { | |
| 573 | 602 v->not_found = 1; |
| 603 return NGX_OK; | |
| 515 | 604 } |
| 605 | |
| 573 | 606 v->valid = 1; |
| 1565 | 607 v->no_cacheable = 0; |
| 573 | 608 v->not_found = 0; |
| 515 | 609 |
| 610 h = a->elts; | |
| 611 | |
| 667 | 612 if (n == 1) { |
| 573 | 613 v->len = (*h)->value.len; |
| 614 v->data = (*h)->value.data; | |
| 515 | 615 |
| 573 | 616 return NGX_OK; |
| 515 | 617 } |
| 618 | |
| 667 | 619 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 620 |
| 667 | 621 for (i = 0; i < n; i++) { |
| 573 | 622 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 623 } |
| 624 | |
| 2049 | 625 p = ngx_pnalloc(r->pool, len); |
| 573 | 626 if (p == NULL) { |
| 627 return NGX_ERROR; | |
| 628 } | |
| 629 | |
| 630 v->len = len; | |
| 631 v->data = p; | |
| 515 | 632 |
| 633 for (i = 0; /* void */ ; i++) { | |
| 573 | 634 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 635 |
| 667 | 636 if (i == n - 1) { |
| 515 | 637 break; |
| 638 } | |
| 639 | |
| 640 *p++ = ';'; *p++ = ' '; | |
| 641 } | |
| 642 | |
| 573 | 643 return NGX_OK; |
| 515 | 644 } |
| 645 | |
| 646 | |
| 573 | 647 static ngx_int_t |
| 577 | 648 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 649 ngx_http_variable_value_t *v, uintptr_t data) | |
| 650 { | |
| 651 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 652 &r->headers_in.headers.part, | |
| 653 sizeof("http_") - 1); | |
| 654 } | |
| 655 | |
| 656 | |
| 657 static ngx_int_t | |
| 658 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 659 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 660 { |
| 577 | 661 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 662 &r->headers_out.headers.part, | |
| 663 sizeof("sent_http_") - 1); | |
| 664 } | |
| 501 | 665 |
| 577 | 666 |
| 1162 | 667 ngx_int_t |
| 577 | 668 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 669 ngx_list_part_t *part, size_t prefix) | |
| 670 { | |
| 573 | 671 u_char ch; |
| 672 ngx_uint_t i, n; | |
| 673 ngx_table_elt_t *header; | |
| 499 | 674 |
| 675 header = part->elts; | |
| 676 | |
| 677 for (i = 0; /* void */ ; i++) { | |
| 678 | |
| 679 if (i >= part->nelts) { | |
| 680 if (part->next == NULL) { | |
| 681 break; | |
| 682 } | |
| 683 | |
| 684 part = part->next; | |
| 685 header = part->elts; | |
| 686 i = 0; | |
| 687 } | |
| 688 | |
| 577 | 689 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 690 ch = header[i].key.data[n]; |
| 691 | |
| 509 | 692 if (ch >= 'A' && ch <= 'Z') { |
| 693 ch |= 0x20; | |
| 499 | 694 |
| 695 } else if (ch == '-') { | |
| 696 ch = '_'; | |
| 697 } | |
| 698 | |
| 577 | 699 if (var->data[n + prefix] != ch) { |
| 499 | 700 break; |
| 701 } | |
| 702 } | |
| 703 | |
|
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704 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 705 v->len = header[i].value.len; |
| 706 v->valid = 1; | |
| 1565 | 707 v->no_cacheable = 0; |
| 573 | 708 v->not_found = 0; |
| 709 v->data = header[i].value.data; | |
| 499 | 710 |
| 573 | 711 return NGX_OK; |
| 499 | 712 } |
| 713 } | |
| 714 | |
| 573 | 715 v->not_found = 1; |
| 716 | |
| 717 return NGX_OK; | |
| 509 | 718 } |
| 719 | |
| 720 | |
| 573 | 721 static ngx_int_t |
| 2137 | 722 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 723 uintptr_t data) | |
| 724 { | |
| 725 ngx_str_t *name = (ngx_str_t *) data; | |
| 726 | |
| 727 u_char *p, *arg; | |
| 728 size_t len; | |
| 729 | |
| 730 if (r->args.len == 0) { | |
| 731 v->not_found = 1; | |
| 732 return NGX_OK; | |
| 733 } | |
| 734 | |
| 735 len = name->len - 1 - (sizeof("arg_") - 1); | |
| 736 arg = name->data + sizeof("arg_") - 1; | |
| 737 | |
| 738 for (p = r->args.data; *p && *p != ' '; p++) { | |
| 739 | |
| 740 /* | |
| 741 * although r->args.data is not null-terminated by itself, | |
| 742 * however, there is null in the end of request line | |
| 743 */ | |
| 744 | |
| 745 p = ngx_strcasestrn(p, (char *) arg, len); | |
| 746 | |
| 747 if (p == NULL) { | |
| 748 v->not_found = 1; | |
| 749 return NGX_OK; | |
| 750 } | |
| 751 | |
| 752 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
| 753 | |
| 754 v->data = p + len + 2; | |
| 755 | |
| 756 p = (u_char *) ngx_strchr(p, '&'); | |
| 757 | |
| 758 if (p == NULL) { | |
| 759 p = r->args.data + r->args.len; | |
| 760 } | |
| 761 | |
| 762 v->len = p - v->data; | |
| 763 v->valid = 1; | |
| 764 v->no_cacheable = 0; | |
| 765 v->not_found = 0; | |
| 766 | |
| 767 return NGX_OK; | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 v->not_found = 1; | |
| 772 | |
| 773 return NGX_OK; | |
| 774 } | |
| 775 | |
| 776 | |
| 777 static ngx_int_t | |
| 573 | 778 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 779 uintptr_t data) | |
| 509 | 780 { |
| 1811 | 781 ngx_http_core_srv_conf_t *cscf; |
| 782 | |
|
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783 if (r->headers_in.server.len) { |
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784 v->len = r->headers_in.server.len; |
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785 v->data = r->headers_in.server.data; |
|
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786 |
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787 } else { |
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788 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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789 |
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790 v->len = cscf->server_name.len; |
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791 v->data = cscf->server_name.data; |
| 509 | 792 } |
| 793 | |
| 573 | 794 v->valid = 1; |
| 1565 | 795 v->no_cacheable = 0; |
| 573 | 796 v->not_found = 0; |
| 509 | 797 |
| 573 | 798 return NGX_OK; |
| 499 | 799 } |
| 800 | |
| 801 | |
| 573 | 802 static ngx_int_t |
|
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803 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 804 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 805 { |
| 982 | 806 struct sockaddr_in *sin; |
| 807 | |
|
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808 /* AF_INET only */ |
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809 |
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810 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 811 |
|
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812 v->len = sizeof(in_addr_t); |
|
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813 v->valid = 1; |
| 1565 | 814 v->no_cacheable = 0; |
|
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815 v->not_found = 0; |
|
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diff
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816 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 817 |
|
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818 return NGX_OK; |
|
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|
819 } |
| 982 | 820 |
| 821 | |
|
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822 static ngx_int_t |
|
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823 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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824 ngx_http_variable_value_t *v, uintptr_t data) |
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825 { |
|
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826 v->len = r->connection->addr_text.len; |
|
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827 v->valid = 1; |
| 1565 | 828 v->no_cacheable = 0; |
|
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829 v->not_found = 0; |
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830 v->data = r->connection->addr_text.data; |
| 499 | 831 |
| 573 | 832 return NGX_OK; |
| 499 | 833 } |
| 834 | |
| 835 | |
| 573 | 836 static ngx_int_t |
| 837 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 838 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 839 { |
| 573 | 840 ngx_uint_t port; |
| 841 struct sockaddr_in *sin; | |
| 509 | 842 |
| 573 | 843 v->len = 0; |
| 844 v->valid = 1; | |
| 1565 | 845 v->no_cacheable = 0; |
| 573 | 846 v->not_found = 0; |
| 509 | 847 |
| 2049 | 848 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 849 if (v->data == NULL) { |
| 850 return NGX_ERROR; | |
| 509 | 851 } |
| 852 | |
| 853 /* AF_INET only */ | |
| 577 | 854 |
| 509 | 855 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 856 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 857 |
| 509 | 858 port = ntohs(sin->sin_port); |
| 577 | 859 |
| 509 | 860 if (port > 0 && port < 65536) { |
| 573 | 861 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 862 } |
| 863 } | |
| 864 | |
| 573 | 865 return NGX_OK; |
| 509 | 866 } |
| 867 | |
| 868 | |
| 573 | 869 static ngx_int_t |
| 870 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 871 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 872 { |
| 1805 | 873 ngx_str_t s; |
| 499 | 874 |
| 2049 | 875 s.data = ngx_pnalloc(r->pool, INET_ADDRSTRLEN); |
| 1805 | 876 if (s.data == NULL) { |
| 573 | 877 return NGX_ERROR; |
| 509 | 878 } |
| 879 | |
| 1805 | 880 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 881 return NGX_ERROR; | |
| 509 | 882 } |
| 883 | |
| 1805 | 884 v->len = s.len; |
| 573 | 885 v->valid = 1; |
| 1565 | 886 v->no_cacheable = 0; |
| 573 | 887 v->not_found = 0; |
| 1805 | 888 v->data = s.data; |
| 499 | 889 |
| 573 | 890 return NGX_OK; |
| 499 | 891 } |
| 892 | |
| 893 | |
| 573 | 894 static ngx_int_t |
| 895 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 896 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 897 { |
| 573 | 898 v->len = r->port_text->len - 1; |
| 899 v->valid = 1; | |
| 1565 | 900 v->no_cacheable = 0; |
| 573 | 901 v->not_found = 0; |
| 902 v->data = r->port_text->data + 1; | |
| 509 | 903 |
| 573 | 904 return NGX_OK; |
| 509 | 905 } |
| 906 | |
| 907 | |
| 573 | 908 static ngx_int_t |
| 731 | 909 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 910 ngx_http_variable_value_t *v, uintptr_t data) | |
| 911 { | |
| 912 #if (NGX_HTTP_SSL) | |
| 913 | |
| 914 if (r->connection->ssl) { | |
| 915 v->len = sizeof("https") - 1; | |
| 916 v->valid = 1; | |
| 1565 | 917 v->no_cacheable = 0; |
| 731 | 918 v->not_found = 0; |
| 732 | 919 v->data = (u_char *) "https"; |
| 731 | 920 |
| 921 return NGX_OK; | |
| 922 } | |
| 923 | |
| 924 #endif | |
| 925 | |
| 926 v->len = sizeof("http") - 1; | |
| 927 v->valid = 1; | |
| 1565 | 928 v->no_cacheable = 0; |
| 731 | 929 v->not_found = 0; |
| 732 | 930 v->data = (u_char *) "http"; |
| 731 | 931 |
| 932 return NGX_OK; | |
| 933 } | |
| 934 | |
| 935 | |
| 936 static ngx_int_t | |
| 1351 | 937 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 938 ngx_http_variable_value_t *v, uintptr_t data) | |
| 939 { | |
| 940 v->valid = 1; | |
| 1565 | 941 v->no_cacheable = 0; |
| 1351 | 942 v->not_found = 0; |
| 943 | |
| 944 if (r->args.len == 0) { | |
| 945 v->len = 0; | |
| 946 v->data = NULL; | |
| 947 return NGX_OK; | |
| 948 } | |
| 949 | |
| 950 v->len = 1; | |
| 951 v->data = (u_char *) "?"; | |
| 952 | |
| 953 return NGX_OK; | |
| 954 } | |
| 955 | |
| 956 | |
| 957 static ngx_int_t | |
| 573 | 958 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 959 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 960 { |
| 671 | 961 ngx_str_t path; |
| 573 | 962 ngx_http_core_loc_conf_t *clcf; |
| 509 | 963 |
| 964 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 965 | |
| 671 | 966 if (clcf->root_lengths == NULL) { |
| 967 v->len = clcf->root.len; | |
| 968 v->valid = 1; | |
| 1565 | 969 v->no_cacheable = 0; |
| 671 | 970 v->not_found = 0; |
| 971 v->data = clcf->root.data; | |
| 972 | |
| 973 } else { | |
| 974 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 975 clcf->root_values->elts) | |
| 976 == NULL) | |
| 977 { | |
| 978 return NGX_ERROR; | |
| 979 } | |
| 980 | |
| 1352 | 981 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 982 == NGX_ERROR) | |
| 983 { | |
| 671 | 984 return NGX_ERROR; |
| 985 } | |
| 986 | |
| 987 v->len = path.len; | |
| 988 v->valid = 1; | |
| 1565 | 989 v->no_cacheable = 0; |
| 671 | 990 v->not_found = 0; |
| 991 v->data = path.data; | |
| 992 } | |
| 509 | 993 |
| 573 | 994 return NGX_OK; |
| 509 | 995 } |
| 996 | |
| 997 | |
| 573 | 998 static ngx_int_t |
| 999 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 1000 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1001 { |
| 773 | 1002 size_t root; |
| 573 | 1003 ngx_str_t path; |
| 499 | 1004 |
| 773 | 1005 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1006 return NGX_ERROR; |
| 557 | 1007 } |
| 509 | 1008 |
| 557 | 1009 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1010 |
| 573 | 1011 v->len = path.len - 1; |
| 1012 v->valid = 1; | |
| 1565 | 1013 v->no_cacheable = 0; |
| 573 | 1014 v->not_found = 0; |
| 1015 v->data = path.data; | |
| 499 | 1016 |
| 573 | 1017 return NGX_OK; |
| 499 | 1018 } |
| 1019 | |
| 1020 | |
| 573 | 1021 static ngx_int_t |
| 1811 | 1022 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1023 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1024 { | |
| 1025 ngx_http_core_srv_conf_t *cscf; | |
| 1026 | |
| 1027 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1028 | |
| 1029 v->len = cscf->server_name.len; | |
| 1030 v->valid = 1; | |
| 1031 v->no_cacheable = 0; | |
| 1032 v->not_found = 0; | |
| 1033 v->data = cscf->server_name.data; | |
| 1034 | |
| 1035 return NGX_OK; | |
| 1036 } | |
| 1037 | |
| 1038 | |
| 1039 static ngx_int_t | |
| 573 | 1040 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1041 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1042 { |
| 647 | 1043 if (r->main->method_name.data) { |
| 1044 v->len = r->main->method_name.len; | |
| 573 | 1045 v->valid = 1; |
| 1565 | 1046 v->no_cacheable = 0; |
| 573 | 1047 v->not_found = 0; |
| 647 | 1048 v->data = r->main->method_name.data; |
| 573 | 1049 |
| 1050 } else { | |
| 1051 v->not_found = 1; | |
| 561 | 1052 } |
| 1053 | |
| 573 | 1054 return NGX_OK; |
| 561 | 1055 } |
| 1056 | |
| 1057 | |
| 573 | 1058 static ngx_int_t |
| 1059 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1060 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1061 { |
| 573 | 1062 ngx_int_t rc; |
| 539 | 1063 |
| 1064 rc = ngx_http_auth_basic_user(r); | |
| 1065 | |
| 1066 if (rc == NGX_DECLINED) { | |
| 573 | 1067 v->not_found = 1; |
| 1068 return NGX_OK; | |
| 539 | 1069 } |
| 1070 | |
| 1071 if (rc == NGX_ERROR) { | |
| 573 | 1072 return NGX_ERROR; |
| 539 | 1073 } |
| 1074 | |
| 573 | 1075 v->len = r->headers_in.user.len; |
| 1076 v->valid = 1; | |
| 1565 | 1077 v->no_cacheable = 0; |
| 573 | 1078 v->not_found = 0; |
| 1079 v->data = r->headers_in.user.data; | |
| 571 | 1080 |
| 573 | 1081 return NGX_OK; |
| 571 | 1082 } |
| 1083 | |
| 1084 | |
| 611 | 1085 static ngx_int_t |
| 1086 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1087 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1088 { | |
| 1089 off_t sent; | |
| 1090 u_char *p; | |
| 1091 | |
| 1092 sent = r->connection->sent - r->header_size; | |
| 1093 | |
| 1094 if (sent < 0) { | |
| 1095 sent = 0; | |
| 1096 } | |
| 1097 | |
| 2049 | 1098 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1099 if (p == NULL) { |
| 1100 return NGX_ERROR; | |
| 1101 } | |
| 1102 | |
| 1103 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1104 v->valid = 1; | |
| 1565 | 1105 v->no_cacheable = 0; |
| 611 | 1106 v->not_found = 0; |
| 1107 v->data = p; | |
| 1108 | |
| 1109 return NGX_OK; | |
| 1110 } | |
| 1111 | |
| 1112 | |
| 629 | 1113 static ngx_int_t |
| 641 | 1114 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1115 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1116 { | |
| 1117 if (r->headers_out.content_type.len) { | |
| 1118 v->len = r->headers_out.content_type.len; | |
| 1119 v->valid = 1; | |
| 1565 | 1120 v->no_cacheable = 0; |
| 641 | 1121 v->not_found = 0; |
| 1122 v->data = r->headers_out.content_type.data; | |
| 1123 | |
| 1124 } else { | |
| 1125 v->not_found = 1; | |
| 1126 } | |
| 1127 | |
| 1128 return NGX_OK; | |
| 1129 } | |
| 1130 | |
| 1131 | |
| 1132 static ngx_int_t | |
| 1133 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1134 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1135 { | |
| 1136 u_char *p; | |
| 1137 | |
| 1138 if (r->headers_out.content_length) { | |
| 1139 v->len = r->headers_out.content_length->value.len; | |
| 1140 v->valid = 1; | |
| 1565 | 1141 v->no_cacheable = 0; |
| 641 | 1142 v->not_found = 0; |
| 1143 v->data = r->headers_out.content_length->value.data; | |
| 1144 | |
| 1145 return NGX_OK; | |
| 1146 } | |
| 1147 | |
| 1148 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1149 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1150 if (p == NULL) { |
| 1151 return NGX_ERROR; | |
| 1152 } | |
| 1153 | |
| 1154 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1155 v->valid = 1; | |
| 1565 | 1156 v->no_cacheable = 0; |
| 641 | 1157 v->not_found = 0; |
| 1158 v->data = p; | |
| 1159 | |
| 1160 return NGX_OK; | |
| 1161 } | |
| 1162 | |
| 1163 v->not_found = 1; | |
| 1164 | |
| 1165 return NGX_OK; | |
| 1166 } | |
| 1167 | |
| 1168 | |
| 1169 static ngx_int_t | |
| 1170 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1171 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1172 { | |
| 1173 u_char *p; | |
| 1174 | |
| 1175 if (r->headers_out.last_modified) { | |
| 1176 v->len = r->headers_out.last_modified->value.len; | |
| 1177 v->valid = 1; | |
| 1565 | 1178 v->no_cacheable = 0; |
| 641 | 1179 v->not_found = 0; |
| 1180 v->data = r->headers_out.last_modified->value.data; | |
| 1181 | |
| 1182 return NGX_OK; | |
| 1183 } | |
| 1184 | |
| 1185 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1186 p = ngx_pnalloc(r->pool, |
| 641 | 1187 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1188 if (p == NULL) { | |
| 1189 return NGX_ERROR; | |
| 1190 } | |
| 1191 | |
| 1192 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1193 v->valid = 1; | |
| 1565 | 1194 v->no_cacheable = 0; |
| 641 | 1195 v->not_found = 0; |
| 1196 v->data = p; | |
| 1197 | |
| 1198 return NGX_OK; | |
| 1199 } | |
| 1200 | |
| 1201 v->not_found = 1; | |
| 1202 | |
| 1203 return NGX_OK; | |
| 1204 } | |
| 1205 | |
| 1206 | |
| 1207 static ngx_int_t | |
| 1208 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1209 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1210 { | |
| 1211 size_t len; | |
| 1212 char *p; | |
| 1213 | |
| 1214 if (r->keepalive) { | |
| 1215 len = sizeof("keep-alive") - 1; | |
| 1216 p = "keep-alive"; | |
| 1217 | |
| 1218 } else { | |
| 1219 len = sizeof("close") - 1; | |
| 1220 p = "close"; | |
| 1221 } | |
| 1222 | |
| 1223 v->len = len; | |
| 1224 v->valid = 1; | |
| 1565 | 1225 v->no_cacheable = 0; |
| 641 | 1226 v->not_found = 0; |
| 1227 v->data = (u_char *) p; | |
| 1228 | |
| 1229 return NGX_OK; | |
| 1230 } | |
| 1231 | |
| 1232 | |
| 1233 static ngx_int_t | |
| 1234 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1235 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1236 { | |
| 1237 u_char *p; | |
| 1238 ngx_http_core_loc_conf_t *clcf; | |
| 1239 | |
| 1240 if (r->keepalive) { | |
| 1241 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1242 | |
| 1243 if (clcf->keepalive_header) { | |
| 1244 | |
| 2049 | 1245 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1246 if (p == NULL) { |
| 1247 return NGX_ERROR; | |
| 1248 } | |
| 1249 | |
| 1250 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1251 v->valid = 1; | |
| 1565 | 1252 v->no_cacheable = 0; |
| 641 | 1253 v->not_found = 0; |
| 1254 v->data = p; | |
| 1255 | |
| 1256 return NGX_OK; | |
| 1257 } | |
| 1258 } | |
| 1259 | |
| 1260 v->not_found = 1; | |
| 1261 | |
| 1262 return NGX_OK; | |
| 1263 } | |
| 1264 | |
| 1265 | |
| 1266 static ngx_int_t | |
| 1267 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1268 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1269 { | |
| 1270 if (r->chunked) { | |
| 1271 v->len = sizeof("chunked") - 1; | |
| 1272 v->valid = 1; | |
| 1565 | 1273 v->no_cacheable = 0; |
| 641 | 1274 v->not_found = 0; |
| 1275 v->data = (u_char *) "chunked"; | |
| 1276 | |
| 1277 } else { | |
| 1278 v->not_found = 1; | |
| 1279 } | |
| 1280 | |
| 1281 return NGX_OK; | |
| 1282 } | |
| 1283 | |
| 1284 | |
| 1285 static ngx_int_t | |
| 629 | 1286 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1287 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1288 { | |
| 1289 if (r->request_complete) { | |
| 1290 v->len = 2; | |
| 1291 v->valid = 1; | |
| 1565 | 1292 v->no_cacheable = 0; |
| 629 | 1293 v->not_found = 0; |
| 1294 v->data = (u_char *) "OK"; | |
| 1295 | |
| 1296 return NGX_OK; | |
| 1297 } | |
| 1298 | |
| 1299 v->len = 0; | |
| 1300 v->valid = 1; | |
| 1565 | 1301 v->no_cacheable = 0; |
| 629 | 1302 v->not_found = 0; |
| 1303 v->data = (u_char *) ""; | |
| 1304 | |
| 1305 return NGX_OK; | |
| 1306 } | |
| 1307 | |
| 1308 | |
| 759 | 1309 static ngx_int_t |
| 1310 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1311 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1312 { | |
| 1313 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
|
1314 v->not_found = 1; |
| 759 | 1315 |
| 1316 return NGX_OK; | |
| 1317 } | |
| 1318 | |
| 1319 v->len = r->request_body->temp_file->file.name.len; | |
| 1320 v->valid = 1; | |
| 1565 | 1321 v->no_cacheable = 0; |
| 759 | 1322 v->not_found = 0; |
| 1323 v->data = r->request_body->temp_file->file.name.data; | |
| 1324 | |
| 1325 return NGX_OK; | |
| 1326 } | |
| 1327 | |
| 1328 | |
| 1329 | 1329 static ngx_int_t |
| 1330 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1331 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1332 { | |
| 1333 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1334 v->valid = 1; | |
| 1565 | 1335 v->no_cacheable = 0; |
| 1329 | 1336 v->not_found = 0; |
| 1337 v->data = (u_char *) NGINX_VERSION; | |
| 1338 | |
| 1339 return NGX_OK; | |
| 1340 } | |
| 1341 | |
| 1342 | |
| 2011 | 1343 static ngx_int_t |
| 1344 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1345 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1346 { | |
| 1347 v->len = ngx_cycle->hostname.len; | |
| 1348 v->valid = 1; | |
| 1349 v->no_cacheable = 0; | |
| 1350 v->not_found = 0; | |
| 1351 v->data = ngx_cycle->hostname.data; | |
| 1352 | |
| 1353 return NGX_OK; | |
| 1354 } | |
| 1355 | |
| 1356 | |
| 499 | 1357 ngx_int_t |
| 509 | 1358 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1359 { |
| 611 | 1360 ngx_int_t rc; |
| 1361 ngx_http_variable_t *v; | |
| 501 | 1362 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1363 |
| 509 | 1364 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1365 | |
| 611 | 1366 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1367 sizeof(ngx_hash_keys_arrays_t)); | |
| 1368 if (cmcf->variables_keys == NULL) { | |
| 1369 return NGX_ERROR; | |
| 1370 } | |
| 1371 | |
| 1372 cmcf->variables_keys->pool = cf->pool; | |
| 1373 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1374 | |
| 1375 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1376 != NGX_OK) | |
| 509 | 1377 { |
| 499 | 1378 return NGX_ERROR; |
| 1379 } | |
| 1380 | |
| 611 | 1381 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1382 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1383 NGX_HASH_READONLY_KEY); | |
| 1384 | |
| 1385 if (rc == NGX_OK) { | |
| 1386 continue; | |
| 499 | 1387 } |
| 1388 | |
| 611 | 1389 if (rc == NGX_BUSY) { |
| 1390 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1391 "conflicting variable name \"%V\"", &v->name); | |
| 1392 } | |
| 1393 | |
| 1394 return NGX_ERROR; | |
| 499 | 1395 } |
| 1396 | |
| 1397 return NGX_OK; | |
| 1398 } | |
| 509 | 1399 |
| 1400 | |
| 1401 ngx_int_t | |
| 1402 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1403 { | |
| 1404 ngx_uint_t i, n; | |
| 611 | 1405 ngx_hash_key_t *key; |
| 1406 ngx_hash_init_t hash; | |
| 509 | 1407 ngx_http_variable_t *v, *av; |
| 1408 ngx_http_core_main_conf_t *cmcf; | |
| 1409 | |
| 1410 /* set the handlers for the indexed http variables */ | |
| 1411 | |
| 1412 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1413 | |
| 1414 v = cmcf->variables.elts; | |
| 611 | 1415 key = cmcf->variables_keys->keys.elts; |
| 509 | 1416 |
| 1417 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1418 | |
| 611 | 1419 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1420 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1421 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1422 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1423 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1424 && v[i].name.len == key[n].key.len |
| 611 | 1425 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1426 == 0) |
| 1427 { | |
| 637 | 1428 v[i].get_handler = av->get_handler; |
| 611 | 1429 v[i].data = av->data; |
| 527 | 1430 |
| 611 | 1431 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1432 v[i].flags = av->flags; | |
| 509 | 1433 |
| 611 | 1434 av->index = i; |
| 533 | 1435 |
| 509 | 1436 goto next; |
| 1437 } | |
| 1438 } | |
| 1439 | |
| 1440 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1441 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1442 v[i].data = (uintptr_t) &v[i].name; |
| 1443 | |
| 1444 continue; | |
| 1445 } | |
| 1446 | |
| 1447 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1448 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1449 v[i].data = (uintptr_t) &v[i].name; |
| 1450 | |
| 1451 continue; | |
| 1452 } | |
| 1453 | |
| 1162 | 1454 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1455 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1456 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1457 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1458 |
| 1459 continue; | |
| 1460 } | |
| 1461 | |
| 2137 | 1462 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1463 v[i].get_handler = ngx_http_variable_argument; | |
| 1464 v[i].data = (uintptr_t) &v[i].name; | |
| 1465 | |
| 1466 continue; | |
| 1467 } | |
| 1468 | |
| 509 | 1469 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1470 "unknown \"%V\" variable", &v[i].name); | |
| 1471 | |
| 1472 return NGX_ERROR; | |
| 1473 | |
| 1474 next: | |
| 1475 continue; | |
| 1476 } | |
| 1477 | |
| 1478 | |
| 611 | 1479 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1480 av = key[n].value; | |
| 1481 | |
| 1482 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1483 key[n].key.data = NULL; | |
| 583 | 1484 } |
| 1485 } | |
| 1486 | |
| 1487 | |
| 611 | 1488 hash.hash = &cmcf->variables_hash; |
| 1489 hash.key = ngx_hash_key; | |
| 1490 hash.max_size = cmcf->variables_hash_max_size; | |
| 1491 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1492 hash.name = "variables_hash"; | |
| 1493 hash.pool = cf->pool; | |
| 1494 hash.temp_pool = NULL; | |
| 509 | 1495 |
| 611 | 1496 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1497 cmcf->variables_keys->keys.nelts) | |
| 581 | 1498 != NGX_OK) |
| 509 | 1499 { |
| 1500 return NGX_ERROR; | |
| 1501 } | |
| 1502 | |
| 611 | 1503 cmcf->variables_keys = NULL; |
| 509 | 1504 |
| 1505 return NGX_OK; | |
| 1506 } |