Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2249:852fe29e6446
$pid
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 15 Sep 2008 16:41:08 +0000 |
| parents | f62751dab60d |
| children | 0864138899f1 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2137 | 28 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 29 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 30 |
| 573 | 31 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 32 ngx_http_variable_value_t *v, uintptr_t data); | |
|
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ngx_http_variable_binary_remote_addr()
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changeset
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33 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()
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
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34 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 35 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 36 ngx_http_variable_value_t *v, uintptr_t data); | |
| 37 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 43 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 45 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 47 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 49 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 51 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 53 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 55 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 57 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 59 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 61 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 63 |
| 641 | 64 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 65 ngx_http_variable_value_t *v, uintptr_t data); | |
| 66 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 67 ngx_http_variable_value_t *v, uintptr_t data); | |
| 68 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 70 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 72 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
| 74 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 | |
| 1329 | 77 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 78 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 79 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 80 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 81 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 82 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 83 |
| 509 | 84 /* |
| 85 * TODO: | |
| 86 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 87 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 88 * SERVER_SOFTWARE | |
| 89 * | |
| 571 | 90 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 91 */ |
| 499 | 92 |
| 641 | 93 /* |
| 94 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 95 * and $http_x_forwarded_for variables may be handled by generic | |
| 96 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 97 * they are handled using dedicated entries | |
| 98 */ | |
| 99 | |
| 509 | 100 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 101 | |
| 637 | 102 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 103 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 104 |
| 637 | 105 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 106 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 107 |
| 637 | 108 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 109 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 110 |
| 111 #if (NGX_HTTP_GZIP) | |
| 637 | 112 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 113 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 114 #endif |
| 115 | |
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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116 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 117 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 118 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 119 #endif |
| 120 | |
| 637 | 121 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 122 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 123 |
| 637 | 124 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 125 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 126 |
| 637 | 127 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 128 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 129 |
| 637 | 130 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 131 |
| 982 | 132 { 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
|
133 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 134 |
| 637 | 135 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 136 |
| 637 | 137 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 138 |
| 637 | 139 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 140 |
| 637 | 141 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 142 |
| 637 | 143 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 144 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 145 |
| 731 | 146 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 147 | |
| 637 | 148 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 149 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 150 |
| 637 | 151 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 152 offsetof(ngx_http_request_t, uri), | |
| 1565 | 153 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 154 |
| 155 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 156 offsetof(ngx_http_request_t, uri), |
| 1565 | 157 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 158 |
| 637 | 159 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 160 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 161 | |
| 637 | 162 { ngx_string("document_root"), NULL, |
| 1565 | 163 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 164 |
| 637 | 165 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 166 offsetof(ngx_http_request_t, args), |
| 1565 | 167 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 168 |
| 1350 | 169 { ngx_string("args"), |
| 170 ngx_http_variable_request_set, | |
| 171 ngx_http_variable_request, | |
| 589 | 172 offsetof(ngx_http_request_t, args), |
| 1565 | 173 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 174 |
| 1351 | 175 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 176 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 177 |
| 637 | 178 { ngx_string("request_filename"), NULL, |
| 179 ngx_http_variable_request_filename, 0, | |
| 1565 | 180 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 181 |
| 1811 | 182 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 183 |
| 637 | 184 { ngx_string("request_method"), NULL, |
| 185 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 186 |
| 637 | 187 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 188 |
| 637 | 189 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 190 0, 0, 0 }, |
| 191 | |
| 637 | 192 { ngx_string("request_completion"), NULL, |
| 193 ngx_http_variable_request_completion, | |
| 629 | 194 0, 0, 0 }, |
| 195 | |
| 759 | 196 { ngx_string("request_body_file"), NULL, |
| 197 ngx_http_variable_request_body_file, | |
| 198 0, 0, 0 }, | |
| 199 | |
| 641 | 200 { ngx_string("sent_http_content_type"), NULL, |
| 201 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 202 | |
| 203 { ngx_string("sent_http_content_length"), NULL, | |
| 204 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 205 | |
| 206 { ngx_string("sent_http_last_modified"), NULL, | |
| 207 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 208 | |
| 209 { ngx_string("sent_http_connection"), NULL, | |
| 210 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 211 | |
| 212 { ngx_string("sent_http_keep_alive"), NULL, | |
| 213 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 214 | |
| 215 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 216 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 217 | |
| 218 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 219 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 220 | |
| 637 | 221 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 222 ngx_http_variable_request, | |
| 223 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 224 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 225 |
| 1329 | 226 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 227 0, 0, 0 }, | |
| 228 | |
| 2011 | 229 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 230 0, 0, 0 }, | |
| 231 | |
| 2249 | 232 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 233 0, 0, 0 }, | |
| 234 | |
| 637 | 235 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 236 }; |
| 237 | |
| 238 | |
| 577 | 239 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 240 ngx_http_variable(""); | |
| 241 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 242 ngx_http_variable("1"); | |
| 243 | |
| 244 | |
| 499 | 245 ngx_http_variable_t * |
| 509 | 246 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 247 { | |
| 611 | 248 ngx_int_t rc; |
| 509 | 249 ngx_uint_t i; |
| 611 | 250 ngx_hash_key_t *key; |
| 509 | 251 ngx_http_variable_t *v; |
| 252 ngx_http_core_main_conf_t *cmcf; | |
| 253 | |
| 254 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 255 | |
| 611 | 256 key = cmcf->variables_keys->keys.elts; |
| 257 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 258 if (name->len != key[i].key.len | |
| 259 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 260 { |
| 261 continue; | |
| 262 } | |
| 263 | |
| 611 | 264 v = key[i].value; |
| 265 | |
| 1565 | 266 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 267 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 268 "the duplicate \"%V\" variable", name); | |
| 269 return NULL; | |
| 270 } | |
| 271 | |
| 611 | 272 return v; |
| 509 | 273 } |
| 274 | |
| 611 | 275 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 276 if (v == NULL) { |
| 277 return NULL; | |
| 278 } | |
| 279 | |
| 280 v->name.len = name->len; | |
| 2049 | 281 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 282 if (v->name.data == NULL) { |
| 283 return NULL; | |
| 284 } | |
| 285 | |
| 2135 | 286 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 287 |
| 637 | 288 v->set_handler = NULL; |
| 289 v->get_handler = NULL; | |
| 509 | 290 v->data = 0; |
| 291 v->flags = flags; | |
| 533 | 292 v->index = 0; |
| 509 | 293 |
| 611 | 294 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 295 | |
| 296 if (rc == NGX_ERROR) { | |
| 297 return NULL; | |
| 298 } | |
| 299 | |
| 300 if (rc == NGX_BUSY) { | |
| 301 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 302 "conflicting variable name \"%V\"", name); | |
| 303 return NULL; | |
| 304 } | |
| 305 | |
| 509 | 306 return v; |
| 307 } | |
| 308 | |
| 309 | |
| 310 ngx_int_t | |
| 311 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 312 { |
| 501 | 313 ngx_uint_t i; |
| 314 ngx_http_variable_t *v; | |
| 499 | 315 ngx_http_core_main_conf_t *cmcf; |
| 316 | |
| 317 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 318 | |
| 501 | 319 v = cmcf->variables.elts; |
| 320 | |
| 321 if (v == NULL) { | |
| 499 | 322 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 323 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 324 { | |
| 509 | 325 return NGX_ERROR; |
| 499 | 326 } |
| 501 | 327 |
| 328 } else { | |
| 329 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 330 if (name->len != v[i].name.len | |
| 331 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 332 { | |
| 333 continue; | |
| 334 } | |
| 335 | |
| 509 | 336 return i; |
| 501 | 337 } |
| 499 | 338 } |
| 339 | |
| 501 | 340 v = ngx_array_push(&cmcf->variables); |
| 341 if (v == NULL) { | |
| 509 | 342 return NGX_ERROR; |
| 499 | 343 } |
| 344 | |
| 501 | 345 v->name.len = name->len; |
| 2049 | 346 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 347 if (v->name.data == NULL) { |
| 509 | 348 return NGX_ERROR; |
| 501 | 349 } |
| 499 | 350 |
| 2135 | 351 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 352 |
| 637 | 353 v->set_handler = NULL; |
| 354 v->get_handler = NULL; | |
| 501 | 355 v->data = 0; |
| 509 | 356 v->flags = 0; |
| 533 | 357 v->index = cmcf->variables.nelts - 1; |
| 501 | 358 |
| 509 | 359 return cmcf->variables.nelts - 1; |
| 499 | 360 } |
| 361 | |
| 362 | |
| 363 ngx_http_variable_value_t * | |
| 364 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 365 { | |
| 501 | 366 ngx_http_variable_t *v; |
| 499 | 367 ngx_http_core_main_conf_t *cmcf; |
| 368 | |
| 369 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 370 | |
| 553 | 371 if (cmcf->variables.nelts <= index) { |
| 499 | 372 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 373 "unknown variable index: %d", index); | |
| 374 return NULL; | |
| 375 } | |
| 376 | |
| 573 | 377 if (r->variables[index].not_found || r->variables[index].valid) { |
| 378 return &r->variables[index]; | |
| 501 | 379 } |
| 499 | 380 |
| 501 | 381 v = cmcf->variables.elts; |
| 499 | 382 |
| 637 | 383 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 384 == NGX_OK) | |
| 385 { | |
| 1565 | 386 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 387 r->variables[index].no_cacheable = 1; | |
| 499 | 388 } |
| 573 | 389 |
| 390 return &r->variables[index]; | |
| 499 | 391 } |
| 392 | |
| 657 | 393 r->variables[index].valid = 0; |
| 394 r->variables[index].not_found = 1; | |
| 395 | |
| 798 | 396 return NULL; |
| 573 | 397 } |
| 398 | |
| 399 | |
| 400 ngx_http_variable_value_t * | |
| 401 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 402 { | |
| 1150 | 403 ngx_http_variable_value_t *v; |
| 573 | 404 |
| 405 v = &r->variables[index]; | |
| 406 | |
| 407 if (v->valid) { | |
| 1565 | 408 if (!v->no_cacheable) { |
| 573 | 409 return v; |
| 410 } | |
| 411 | |
| 412 v->valid = 0; | |
| 413 v->not_found = 0; | |
| 509 | 414 } |
| 501 | 415 |
| 573 | 416 return ngx_http_get_indexed_variable(r, index); |
| 499 | 417 } |
| 418 | |
| 419 | |
| 420 ngx_http_variable_value_t * | |
| 635 | 421 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 422 ngx_uint_t nowarn) | |
| 499 | 423 { |
| 501 | 424 ngx_http_variable_t *v; |
| 573 | 425 ngx_http_variable_value_t *vv; |
| 499 | 426 ngx_http_core_main_conf_t *cmcf; |
| 427 | |
| 428 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 429 | |
| 611 | 430 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 431 |
| 611 | 432 if (v) { |
| 433 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 434 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 435 |
| 436 } else { | |
| 499 | 437 |
| 573 | 438 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 439 |
| 637 | 440 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 441 return vv; |
| 442 } | |
| 509 | 443 |
| 573 | 444 return NULL; |
| 445 } | |
| 509 | 446 } |
| 447 | |
| 448 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 449 if (vv == NULL) { | |
| 450 return NULL; | |
| 451 } | |
| 452 | |
| 573 | 453 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 454 |
| 577 | 455 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 456 == NGX_OK) | |
| 457 { | |
| 458 return vv; | |
| 459 } | |
| 460 | |
| 461 return NULL; | |
| 462 } | |
| 463 | |
| 464 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 465 | |
| 466 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 467 == NGX_OK) | |
| 573 | 468 { |
| 469 return vv; | |
| 470 } | |
| 499 | 471 |
| 472 return NULL; | |
| 473 } | |
| 474 | |
| 1162 | 475 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 476 | |
| 477 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 478 == NGX_OK) | |
| 479 { | |
| 480 return vv; | |
| 481 } | |
| 482 | |
| 483 return NULL; | |
| 484 } | |
| 485 | |
| 2137 | 486 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 487 | |
| 488 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 489 return vv; | |
| 490 } | |
| 491 | |
| 492 return NULL; | |
| 493 } | |
| 494 | |
| 635 | 495 vv->not_found = 1; |
| 573 | 496 |
| 635 | 497 if (nowarn == 0) { |
| 498 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 499 "unknown \"%V\" variable", name); | |
| 500 } | |
| 499 | 501 |
| 501 | 502 return vv; |
| 499 | 503 } |
| 504 | |
| 505 | |
| 573 | 506 static ngx_int_t |
| 507 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 508 uintptr_t data) | |
| 509 { | |
| 510 ngx_str_t *s; | |
| 511 | |
| 512 s = (ngx_str_t *) ((char *) r + data); | |
| 513 | |
| 514 if (s->data) { | |
| 515 v->len = s->len; | |
| 516 v->valid = 1; | |
| 1565 | 517 v->no_cacheable = 0; |
| 573 | 518 v->not_found = 0; |
| 519 v->data = s->data; | |
| 520 | |
| 521 } else { | |
| 522 v->not_found = 1; | |
| 523 } | |
| 524 | |
| 525 return NGX_OK; | |
| 526 } | |
| 527 | |
| 528 | |
| 637 | 529 static void |
| 1350 | 530 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 531 ngx_http_variable_value_t *v, uintptr_t data) | |
| 532 { | |
| 533 ngx_str_t *s; | |
| 534 | |
| 535 s = (ngx_str_t *) ((char *) r + data); | |
| 536 | |
| 537 s->len = v->len; | |
| 538 s->data = v->data; | |
| 539 } | |
| 540 | |
| 541 | |
| 542 static void | |
| 637 | 543 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 544 ngx_http_variable_value_t *v, uintptr_t data) | |
| 545 { | |
| 546 ssize_t s, *sp; | |
| 547 ngx_str_t val; | |
| 548 | |
|
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549 val.len = v->len; |
| 637 | 550 val.data = v->data; |
| 551 | |
| 552 s = ngx_parse_size(&val); | |
| 553 | |
| 554 if (s == NGX_ERROR) { | |
| 555 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 556 "invalid size \"%V\"", &val); | |
| 557 return; | |
| 558 } | |
| 559 | |
| 560 sp = (ssize_t *) ((char *) r + data); | |
| 561 | |
| 562 *sp = s; | |
| 563 | |
| 564 return; | |
| 565 } | |
| 566 | |
| 567 | |
| 573 | 568 static ngx_int_t |
| 569 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 570 uintptr_t data) | |
| 515 | 571 { |
| 573 | 572 ngx_table_elt_t *h; |
| 573 | |
| 574 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 575 | |
| 576 if (h) { | |
| 577 v->len = h->value.len; | |
| 578 v->valid = 1; | |
| 1565 | 579 v->no_cacheable = 0; |
| 573 | 580 v->not_found = 0; |
| 581 v->data = h->value.data; | |
| 582 | |
| 583 } else { | |
| 584 v->not_found = 1; | |
| 585 } | |
| 586 | |
| 587 return NGX_OK; | |
| 588 } | |
| 589 | |
| 590 | |
| 591 static ngx_int_t | |
| 592 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 593 uintptr_t data) | |
| 594 { | |
| 667 | 595 ssize_t len; |
| 573 | 596 u_char *p; |
| 667 | 597 ngx_uint_t i, n; |
| 573 | 598 ngx_array_t *a; |
| 599 ngx_table_elt_t **h; | |
| 515 | 600 |
| 601 a = (ngx_array_t *) ((char *) r + data); | |
| 602 | |
| 667 | 603 n = a->nelts; |
| 604 | |
| 605 if (n == 0) { | |
| 573 | 606 v->not_found = 1; |
| 607 return NGX_OK; | |
| 515 | 608 } |
| 609 | |
| 573 | 610 v->valid = 1; |
| 1565 | 611 v->no_cacheable = 0; |
| 573 | 612 v->not_found = 0; |
| 515 | 613 |
| 614 h = a->elts; | |
| 615 | |
| 667 | 616 if (n == 1) { |
| 573 | 617 v->len = (*h)->value.len; |
| 618 v->data = (*h)->value.data; | |
| 515 | 619 |
| 573 | 620 return NGX_OK; |
| 515 | 621 } |
| 622 | |
| 667 | 623 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 624 |
| 667 | 625 for (i = 0; i < n; i++) { |
| 573 | 626 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 627 } |
| 628 | |
| 2049 | 629 p = ngx_pnalloc(r->pool, len); |
| 573 | 630 if (p == NULL) { |
| 631 return NGX_ERROR; | |
| 632 } | |
| 633 | |
| 634 v->len = len; | |
| 635 v->data = p; | |
| 515 | 636 |
| 637 for (i = 0; /* void */ ; i++) { | |
| 573 | 638 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 639 |
| 667 | 640 if (i == n - 1) { |
| 515 | 641 break; |
| 642 } | |
| 643 | |
| 644 *p++ = ';'; *p++ = ' '; | |
| 645 } | |
| 646 | |
| 573 | 647 return NGX_OK; |
| 515 | 648 } |
| 649 | |
| 650 | |
| 573 | 651 static ngx_int_t |
| 577 | 652 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 653 ngx_http_variable_value_t *v, uintptr_t data) | |
| 654 { | |
| 655 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 656 &r->headers_in.headers.part, | |
| 657 sizeof("http_") - 1); | |
| 658 } | |
| 659 | |
| 660 | |
| 661 static ngx_int_t | |
| 662 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 663 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 664 { |
| 577 | 665 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 666 &r->headers_out.headers.part, | |
| 667 sizeof("sent_http_") - 1); | |
| 668 } | |
| 501 | 669 |
| 577 | 670 |
| 1162 | 671 ngx_int_t |
| 577 | 672 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 673 ngx_list_part_t *part, size_t prefix) | |
| 674 { | |
| 573 | 675 u_char ch; |
| 676 ngx_uint_t i, n; | |
| 677 ngx_table_elt_t *header; | |
| 499 | 678 |
| 679 header = part->elts; | |
| 680 | |
| 681 for (i = 0; /* void */ ; i++) { | |
| 682 | |
| 683 if (i >= part->nelts) { | |
| 684 if (part->next == NULL) { | |
| 685 break; | |
| 686 } | |
| 687 | |
| 688 part = part->next; | |
| 689 header = part->elts; | |
| 690 i = 0; | |
| 691 } | |
| 692 | |
| 577 | 693 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 694 ch = header[i].key.data[n]; |
| 695 | |
| 509 | 696 if (ch >= 'A' && ch <= 'Z') { |
| 697 ch |= 0x20; | |
| 499 | 698 |
| 699 } else if (ch == '-') { | |
| 700 ch = '_'; | |
| 701 } | |
| 702 | |
| 577 | 703 if (var->data[n + prefix] != ch) { |
| 499 | 704 break; |
| 705 } | |
| 706 } | |
| 707 | |
|
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708 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 709 v->len = header[i].value.len; |
| 710 v->valid = 1; | |
| 1565 | 711 v->no_cacheable = 0; |
| 573 | 712 v->not_found = 0; |
| 713 v->data = header[i].value.data; | |
| 499 | 714 |
| 573 | 715 return NGX_OK; |
| 499 | 716 } |
| 717 } | |
| 718 | |
| 573 | 719 v->not_found = 1; |
| 720 | |
| 721 return NGX_OK; | |
| 509 | 722 } |
| 723 | |
| 724 | |
| 573 | 725 static ngx_int_t |
| 2137 | 726 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 727 uintptr_t data) | |
| 728 { | |
| 729 ngx_str_t *name = (ngx_str_t *) data; | |
| 730 | |
| 731 u_char *p, *arg; | |
| 732 size_t len; | |
| 733 | |
| 734 if (r->args.len == 0) { | |
| 735 v->not_found = 1; | |
| 736 return NGX_OK; | |
| 737 } | |
| 738 | |
| 739 len = name->len - 1 - (sizeof("arg_") - 1); | |
| 740 arg = name->data + sizeof("arg_") - 1; | |
| 741 | |
| 742 for (p = r->args.data; *p && *p != ' '; p++) { | |
| 743 | |
| 744 /* | |
| 745 * although r->args.data is not null-terminated by itself, | |
| 746 * however, there is null in the end of request line | |
| 747 */ | |
| 748 | |
| 749 p = ngx_strcasestrn(p, (char *) arg, len); | |
| 750 | |
| 751 if (p == NULL) { | |
| 752 v->not_found = 1; | |
| 753 return NGX_OK; | |
| 754 } | |
| 755 | |
| 756 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
| 757 | |
| 758 v->data = p + len + 2; | |
| 759 | |
| 760 p = (u_char *) ngx_strchr(p, '&'); | |
| 761 | |
| 762 if (p == NULL) { | |
| 763 p = r->args.data + r->args.len; | |
| 764 } | |
| 765 | |
| 766 v->len = p - v->data; | |
| 767 v->valid = 1; | |
| 768 v->no_cacheable = 0; | |
| 769 v->not_found = 0; | |
| 770 | |
| 771 return NGX_OK; | |
| 772 } | |
| 773 } | |
| 774 | |
| 775 v->not_found = 1; | |
| 776 | |
| 777 return NGX_OK; | |
| 778 } | |
| 779 | |
| 780 | |
| 781 static ngx_int_t | |
| 573 | 782 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 783 uintptr_t data) | |
| 509 | 784 { |
| 1811 | 785 ngx_http_core_srv_conf_t *cscf; |
| 786 | |
|
2007
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parents:
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787 if (r->headers_in.server.len) { |
|
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changeset
|
788 v->len = r->headers_in.server.len; |
|
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parents:
1811
diff
changeset
|
789 v->data = r->headers_in.server.data; |
|
928
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Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
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790 |
|
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diff
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791 } else { |
|
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parents:
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diff
changeset
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792 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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793 |
|
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parents:
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|
794 v->len = cscf->server_name.len; |
|
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parents:
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diff
changeset
|
795 v->data = cscf->server_name.data; |
| 509 | 796 } |
| 797 | |
| 573 | 798 v->valid = 1; |
| 1565 | 799 v->no_cacheable = 0; |
| 573 | 800 v->not_found = 0; |
| 509 | 801 |
| 573 | 802 return NGX_OK; |
| 499 | 803 } |
| 804 | |
| 805 | |
| 573 | 806 static ngx_int_t |
|
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diff
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|
807 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 808 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 809 { |
| 982 | 810 struct sockaddr_in *sin; |
| 811 | |
|
983
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812 /* AF_INET only */ |
|
7a8ca436d611
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diff
changeset
|
813 |
|
7a8ca436d611
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parents:
982
diff
changeset
|
814 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 815 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
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816 v->len = sizeof(in_addr_t); |
|
7a8ca436d611
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diff
changeset
|
817 v->valid = 1; |
| 1565 | 818 v->no_cacheable = 0; |
|
983
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diff
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|
819 v->not_found = 0; |
|
7a8ca436d611
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diff
changeset
|
820 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 821 |
|
983
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822 return NGX_OK; |
|
7a8ca436d611
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diff
changeset
|
823 } |
| 982 | 824 |
| 825 | |
|
983
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parents:
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|
826 static ngx_int_t |
|
7a8ca436d611
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parents:
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diff
changeset
|
827 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
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diff
changeset
|
828 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
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parents:
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diff
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|
829 { |
|
7a8ca436d611
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parents:
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diff
changeset
|
830 v->len = r->connection->addr_text.len; |
|
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parents:
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diff
changeset
|
831 v->valid = 1; |
| 1565 | 832 v->no_cacheable = 0; |
|
983
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parents:
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833 v->not_found = 0; |
|
7a8ca436d611
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diff
changeset
|
834 v->data = r->connection->addr_text.data; |
| 499 | 835 |
| 573 | 836 return NGX_OK; |
| 499 | 837 } |
| 838 | |
| 839 | |
| 573 | 840 static ngx_int_t |
| 841 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 842 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 843 { |
| 573 | 844 ngx_uint_t port; |
| 845 struct sockaddr_in *sin; | |
| 509 | 846 |
| 573 | 847 v->len = 0; |
| 848 v->valid = 1; | |
| 1565 | 849 v->no_cacheable = 0; |
| 573 | 850 v->not_found = 0; |
| 509 | 851 |
| 2049 | 852 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 853 if (v->data == NULL) { |
| 854 return NGX_ERROR; | |
| 509 | 855 } |
| 856 | |
| 857 /* AF_INET only */ | |
| 577 | 858 |
| 509 | 859 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 860 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 861 |
| 509 | 862 port = ntohs(sin->sin_port); |
| 577 | 863 |
| 509 | 864 if (port > 0 && port < 65536) { |
| 573 | 865 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 866 } |
| 867 } | |
| 868 | |
| 573 | 869 return NGX_OK; |
| 509 | 870 } |
| 871 | |
| 872 | |
| 573 | 873 static ngx_int_t |
| 874 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 875 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 876 { |
| 1805 | 877 ngx_str_t s; |
| 499 | 878 |
|
2197
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*) remove zero termination in ngx_inet_ntop() and ngx_sock_ntop()
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parents:
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diff
changeset
|
879 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
| 1805 | 880 if (s.data == NULL) { |
| 573 | 881 return NGX_ERROR; |
| 509 | 882 } |
| 883 | |
| 1805 | 884 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 885 return NGX_ERROR; | |
| 509 | 886 } |
| 887 | |
| 1805 | 888 v->len = s.len; |
| 573 | 889 v->valid = 1; |
| 1565 | 890 v->no_cacheable = 0; |
| 573 | 891 v->not_found = 0; |
| 1805 | 892 v->data = s.data; |
| 499 | 893 |
| 573 | 894 return NGX_OK; |
| 499 | 895 } |
| 896 | |
| 897 | |
| 573 | 898 static ngx_int_t |
| 899 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 900 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 901 { |
| 573 | 902 v->len = r->port_text->len - 1; |
| 903 v->valid = 1; | |
| 1565 | 904 v->no_cacheable = 0; |
| 573 | 905 v->not_found = 0; |
| 906 v->data = r->port_text->data + 1; | |
| 509 | 907 |
| 573 | 908 return NGX_OK; |
| 509 | 909 } |
| 910 | |
| 911 | |
| 573 | 912 static ngx_int_t |
| 731 | 913 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 914 ngx_http_variable_value_t *v, uintptr_t data) | |
| 915 { | |
| 916 #if (NGX_HTTP_SSL) | |
| 917 | |
| 918 if (r->connection->ssl) { | |
| 919 v->len = sizeof("https") - 1; | |
| 920 v->valid = 1; | |
| 1565 | 921 v->no_cacheable = 0; |
| 731 | 922 v->not_found = 0; |
| 732 | 923 v->data = (u_char *) "https"; |
| 731 | 924 |
| 925 return NGX_OK; | |
| 926 } | |
| 927 | |
| 928 #endif | |
| 929 | |
| 930 v->len = sizeof("http") - 1; | |
| 931 v->valid = 1; | |
| 1565 | 932 v->no_cacheable = 0; |
| 731 | 933 v->not_found = 0; |
| 732 | 934 v->data = (u_char *) "http"; |
| 731 | 935 |
| 936 return NGX_OK; | |
| 937 } | |
| 938 | |
| 939 | |
| 940 static ngx_int_t | |
| 1351 | 941 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 942 ngx_http_variable_value_t *v, uintptr_t data) | |
| 943 { | |
| 944 v->valid = 1; | |
| 1565 | 945 v->no_cacheable = 0; |
| 1351 | 946 v->not_found = 0; |
| 947 | |
| 948 if (r->args.len == 0) { | |
| 949 v->len = 0; | |
| 950 v->data = NULL; | |
| 951 return NGX_OK; | |
| 952 } | |
| 953 | |
| 954 v->len = 1; | |
| 955 v->data = (u_char *) "?"; | |
| 956 | |
| 957 return NGX_OK; | |
| 958 } | |
| 959 | |
| 960 | |
| 961 static ngx_int_t | |
| 573 | 962 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 963 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 964 { |
| 671 | 965 ngx_str_t path; |
| 573 | 966 ngx_http_core_loc_conf_t *clcf; |
| 509 | 967 |
| 968 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 969 | |
| 671 | 970 if (clcf->root_lengths == NULL) { |
| 971 v->len = clcf->root.len; | |
| 972 v->valid = 1; | |
| 1565 | 973 v->no_cacheable = 0; |
| 671 | 974 v->not_found = 0; |
| 975 v->data = clcf->root.data; | |
| 976 | |
| 977 } else { | |
| 978 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 979 clcf->root_values->elts) | |
| 980 == NULL) | |
| 981 { | |
| 982 return NGX_ERROR; | |
| 983 } | |
| 984 | |
| 1352 | 985 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 986 == NGX_ERROR) | |
| 987 { | |
| 671 | 988 return NGX_ERROR; |
| 989 } | |
| 990 | |
| 991 v->len = path.len; | |
| 992 v->valid = 1; | |
| 1565 | 993 v->no_cacheable = 0; |
| 671 | 994 v->not_found = 0; |
| 995 v->data = path.data; | |
| 996 } | |
| 509 | 997 |
| 573 | 998 return NGX_OK; |
| 509 | 999 } |
| 1000 | |
| 1001 | |
| 573 | 1002 static ngx_int_t |
| 1003 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 1004 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1005 { |
| 773 | 1006 size_t root; |
| 573 | 1007 ngx_str_t path; |
| 499 | 1008 |
| 773 | 1009 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1010 return NGX_ERROR; |
| 557 | 1011 } |
| 509 | 1012 |
| 557 | 1013 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1014 |
| 573 | 1015 v->len = path.len - 1; |
| 1016 v->valid = 1; | |
| 1565 | 1017 v->no_cacheable = 0; |
| 573 | 1018 v->not_found = 0; |
| 1019 v->data = path.data; | |
| 499 | 1020 |
| 573 | 1021 return NGX_OK; |
| 499 | 1022 } |
| 1023 | |
| 1024 | |
| 573 | 1025 static ngx_int_t |
| 1811 | 1026 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1027 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1028 { | |
| 1029 ngx_http_core_srv_conf_t *cscf; | |
| 1030 | |
| 1031 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1032 | |
| 1033 v->len = cscf->server_name.len; | |
| 1034 v->valid = 1; | |
| 1035 v->no_cacheable = 0; | |
| 1036 v->not_found = 0; | |
| 1037 v->data = cscf->server_name.data; | |
| 1038 | |
| 1039 return NGX_OK; | |
| 1040 } | |
| 1041 | |
| 1042 | |
| 1043 static ngx_int_t | |
| 573 | 1044 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1045 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1046 { |
| 647 | 1047 if (r->main->method_name.data) { |
| 1048 v->len = r->main->method_name.len; | |
| 573 | 1049 v->valid = 1; |
| 1565 | 1050 v->no_cacheable = 0; |
| 573 | 1051 v->not_found = 0; |
| 647 | 1052 v->data = r->main->method_name.data; |
| 573 | 1053 |
| 1054 } else { | |
| 1055 v->not_found = 1; | |
| 561 | 1056 } |
| 1057 | |
| 573 | 1058 return NGX_OK; |
| 561 | 1059 } |
| 1060 | |
| 1061 | |
| 573 | 1062 static ngx_int_t |
| 1063 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1064 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1065 { |
| 573 | 1066 ngx_int_t rc; |
| 539 | 1067 |
| 1068 rc = ngx_http_auth_basic_user(r); | |
| 1069 | |
| 1070 if (rc == NGX_DECLINED) { | |
| 573 | 1071 v->not_found = 1; |
| 1072 return NGX_OK; | |
| 539 | 1073 } |
| 1074 | |
| 1075 if (rc == NGX_ERROR) { | |
| 573 | 1076 return NGX_ERROR; |
| 539 | 1077 } |
| 1078 | |
| 573 | 1079 v->len = r->headers_in.user.len; |
| 1080 v->valid = 1; | |
| 1565 | 1081 v->no_cacheable = 0; |
| 573 | 1082 v->not_found = 0; |
| 1083 v->data = r->headers_in.user.data; | |
| 571 | 1084 |
| 573 | 1085 return NGX_OK; |
| 571 | 1086 } |
| 1087 | |
| 1088 | |
| 611 | 1089 static ngx_int_t |
| 1090 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1091 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1092 { | |
| 1093 off_t sent; | |
| 1094 u_char *p; | |
| 1095 | |
| 1096 sent = r->connection->sent - r->header_size; | |
| 1097 | |
| 1098 if (sent < 0) { | |
| 1099 sent = 0; | |
| 1100 } | |
| 1101 | |
| 2049 | 1102 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1103 if (p == NULL) { |
| 1104 return NGX_ERROR; | |
| 1105 } | |
| 1106 | |
| 1107 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1108 v->valid = 1; | |
| 1565 | 1109 v->no_cacheable = 0; |
| 611 | 1110 v->not_found = 0; |
| 1111 v->data = p; | |
| 1112 | |
| 1113 return NGX_OK; | |
| 1114 } | |
| 1115 | |
| 1116 | |
| 629 | 1117 static ngx_int_t |
| 641 | 1118 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1119 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1120 { | |
| 1121 if (r->headers_out.content_type.len) { | |
| 1122 v->len = r->headers_out.content_type.len; | |
| 1123 v->valid = 1; | |
| 1565 | 1124 v->no_cacheable = 0; |
| 641 | 1125 v->not_found = 0; |
| 1126 v->data = r->headers_out.content_type.data; | |
| 1127 | |
| 1128 } else { | |
| 1129 v->not_found = 1; | |
| 1130 } | |
| 1131 | |
| 1132 return NGX_OK; | |
| 1133 } | |
| 1134 | |
| 1135 | |
| 1136 static ngx_int_t | |
| 1137 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1138 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1139 { | |
| 1140 u_char *p; | |
| 1141 | |
| 1142 if (r->headers_out.content_length) { | |
| 1143 v->len = r->headers_out.content_length->value.len; | |
| 1144 v->valid = 1; | |
| 1565 | 1145 v->no_cacheable = 0; |
| 641 | 1146 v->not_found = 0; |
| 1147 v->data = r->headers_out.content_length->value.data; | |
| 1148 | |
| 1149 return NGX_OK; | |
| 1150 } | |
| 1151 | |
| 1152 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1153 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1154 if (p == NULL) { |
| 1155 return NGX_ERROR; | |
| 1156 } | |
| 1157 | |
| 1158 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1159 v->valid = 1; | |
| 1565 | 1160 v->no_cacheable = 0; |
| 641 | 1161 v->not_found = 0; |
| 1162 v->data = p; | |
| 1163 | |
| 1164 return NGX_OK; | |
| 1165 } | |
| 1166 | |
| 1167 v->not_found = 1; | |
| 1168 | |
| 1169 return NGX_OK; | |
| 1170 } | |
| 1171 | |
| 1172 | |
| 1173 static ngx_int_t | |
| 1174 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1175 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1176 { | |
| 1177 u_char *p; | |
| 1178 | |
| 1179 if (r->headers_out.last_modified) { | |
| 1180 v->len = r->headers_out.last_modified->value.len; | |
| 1181 v->valid = 1; | |
| 1565 | 1182 v->no_cacheable = 0; |
| 641 | 1183 v->not_found = 0; |
| 1184 v->data = r->headers_out.last_modified->value.data; | |
| 1185 | |
| 1186 return NGX_OK; | |
| 1187 } | |
| 1188 | |
| 1189 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1190 p = ngx_pnalloc(r->pool, |
| 641 | 1191 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1192 if (p == NULL) { | |
| 1193 return NGX_ERROR; | |
| 1194 } | |
| 1195 | |
| 1196 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1197 v->valid = 1; | |
| 1565 | 1198 v->no_cacheable = 0; |
| 641 | 1199 v->not_found = 0; |
| 1200 v->data = p; | |
| 1201 | |
| 1202 return NGX_OK; | |
| 1203 } | |
| 1204 | |
| 1205 v->not_found = 1; | |
| 1206 | |
| 1207 return NGX_OK; | |
| 1208 } | |
| 1209 | |
| 1210 | |
| 1211 static ngx_int_t | |
| 1212 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1213 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1214 { | |
| 1215 size_t len; | |
| 1216 char *p; | |
| 1217 | |
| 1218 if (r->keepalive) { | |
| 1219 len = sizeof("keep-alive") - 1; | |
| 1220 p = "keep-alive"; | |
| 1221 | |
| 1222 } else { | |
| 1223 len = sizeof("close") - 1; | |
| 1224 p = "close"; | |
| 1225 } | |
| 1226 | |
| 1227 v->len = len; | |
| 1228 v->valid = 1; | |
| 1565 | 1229 v->no_cacheable = 0; |
| 641 | 1230 v->not_found = 0; |
| 1231 v->data = (u_char *) p; | |
| 1232 | |
| 1233 return NGX_OK; | |
| 1234 } | |
| 1235 | |
| 1236 | |
| 1237 static ngx_int_t | |
| 1238 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1239 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1240 { | |
| 1241 u_char *p; | |
| 1242 ngx_http_core_loc_conf_t *clcf; | |
| 1243 | |
| 1244 if (r->keepalive) { | |
| 1245 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1246 | |
| 1247 if (clcf->keepalive_header) { | |
| 1248 | |
| 2049 | 1249 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1250 if (p == NULL) { |
| 1251 return NGX_ERROR; | |
| 1252 } | |
| 1253 | |
| 1254 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1255 v->valid = 1; | |
| 1565 | 1256 v->no_cacheable = 0; |
| 641 | 1257 v->not_found = 0; |
| 1258 v->data = p; | |
| 1259 | |
| 1260 return NGX_OK; | |
| 1261 } | |
| 1262 } | |
| 1263 | |
| 1264 v->not_found = 1; | |
| 1265 | |
| 1266 return NGX_OK; | |
| 1267 } | |
| 1268 | |
| 1269 | |
| 1270 static ngx_int_t | |
| 1271 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1272 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1273 { | |
| 1274 if (r->chunked) { | |
| 1275 v->len = sizeof("chunked") - 1; | |
| 1276 v->valid = 1; | |
| 1565 | 1277 v->no_cacheable = 0; |
| 641 | 1278 v->not_found = 0; |
| 1279 v->data = (u_char *) "chunked"; | |
| 1280 | |
| 1281 } else { | |
| 1282 v->not_found = 1; | |
| 1283 } | |
| 1284 | |
| 1285 return NGX_OK; | |
| 1286 } | |
| 1287 | |
| 1288 | |
| 1289 static ngx_int_t | |
| 629 | 1290 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1291 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1292 { | |
| 1293 if (r->request_complete) { | |
| 1294 v->len = 2; | |
| 1295 v->valid = 1; | |
| 1565 | 1296 v->no_cacheable = 0; |
| 629 | 1297 v->not_found = 0; |
| 1298 v->data = (u_char *) "OK"; | |
| 1299 | |
| 1300 return NGX_OK; | |
| 1301 } | |
| 1302 | |
| 1303 v->len = 0; | |
| 1304 v->valid = 1; | |
| 1565 | 1305 v->no_cacheable = 0; |
| 629 | 1306 v->not_found = 0; |
| 1307 v->data = (u_char *) ""; | |
| 1308 | |
| 1309 return NGX_OK; | |
| 1310 } | |
| 1311 | |
| 1312 | |
| 759 | 1313 static ngx_int_t |
| 1314 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1315 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1316 { | |
| 1317 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
|
1318 v->not_found = 1; |
| 759 | 1319 |
| 1320 return NGX_OK; | |
| 1321 } | |
| 1322 | |
| 1323 v->len = r->request_body->temp_file->file.name.len; | |
| 1324 v->valid = 1; | |
| 1565 | 1325 v->no_cacheable = 0; |
| 759 | 1326 v->not_found = 0; |
| 1327 v->data = r->request_body->temp_file->file.name.data; | |
| 1328 | |
| 1329 return NGX_OK; | |
| 1330 } | |
| 1331 | |
| 1332 | |
| 1329 | 1333 static ngx_int_t |
| 1334 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1335 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1336 { | |
| 1337 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1338 v->valid = 1; | |
| 1565 | 1339 v->no_cacheable = 0; |
| 1329 | 1340 v->not_found = 0; |
| 1341 v->data = (u_char *) NGINX_VERSION; | |
| 1342 | |
| 1343 return NGX_OK; | |
| 1344 } | |
| 1345 | |
| 1346 | |
| 2011 | 1347 static ngx_int_t |
| 1348 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1349 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1350 { | |
| 1351 v->len = ngx_cycle->hostname.len; | |
| 1352 v->valid = 1; | |
| 1353 v->no_cacheable = 0; | |
| 1354 v->not_found = 0; | |
| 1355 v->data = ngx_cycle->hostname.data; | |
| 1356 | |
| 1357 return NGX_OK; | |
| 1358 } | |
| 1359 | |
| 1360 | |
| 2249 | 1361 static ngx_int_t |
| 1362 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1363 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1364 { | |
| 1365 u_char *p; | |
| 1366 | |
| 1367 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1368 if (p == NULL) { | |
| 1369 return NGX_ERROR; | |
| 1370 } | |
| 1371 | |
| 1372 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1373 v->valid = 1; | |
| 1374 v->no_cacheable = 0; | |
| 1375 v->not_found = 0; | |
| 1376 v->data = p; | |
| 1377 | |
| 1378 return NGX_OK; | |
| 1379 } | |
| 1380 | |
| 1381 | |
| 499 | 1382 ngx_int_t |
| 509 | 1383 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1384 { |
| 611 | 1385 ngx_int_t rc; |
| 1386 ngx_http_variable_t *v; | |
| 501 | 1387 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1388 |
| 509 | 1389 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1390 | |
| 611 | 1391 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1392 sizeof(ngx_hash_keys_arrays_t)); | |
| 1393 if (cmcf->variables_keys == NULL) { | |
| 1394 return NGX_ERROR; | |
| 1395 } | |
| 1396 | |
| 1397 cmcf->variables_keys->pool = cf->pool; | |
| 1398 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1399 | |
| 1400 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1401 != NGX_OK) | |
| 509 | 1402 { |
| 499 | 1403 return NGX_ERROR; |
| 1404 } | |
| 1405 | |
| 611 | 1406 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1407 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1408 NGX_HASH_READONLY_KEY); | |
| 1409 | |
| 1410 if (rc == NGX_OK) { | |
| 1411 continue; | |
| 499 | 1412 } |
| 1413 | |
| 611 | 1414 if (rc == NGX_BUSY) { |
| 1415 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1416 "conflicting variable name \"%V\"", &v->name); | |
| 1417 } | |
| 1418 | |
| 1419 return NGX_ERROR; | |
| 499 | 1420 } |
| 1421 | |
| 1422 return NGX_OK; | |
| 1423 } | |
| 509 | 1424 |
| 1425 | |
| 1426 ngx_int_t | |
| 1427 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1428 { | |
| 1429 ngx_uint_t i, n; | |
| 611 | 1430 ngx_hash_key_t *key; |
| 1431 ngx_hash_init_t hash; | |
| 509 | 1432 ngx_http_variable_t *v, *av; |
| 1433 ngx_http_core_main_conf_t *cmcf; | |
| 1434 | |
| 1435 /* set the handlers for the indexed http variables */ | |
| 1436 | |
| 1437 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1438 | |
| 1439 v = cmcf->variables.elts; | |
| 611 | 1440 key = cmcf->variables_keys->keys.elts; |
| 509 | 1441 |
| 1442 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1443 | |
| 611 | 1444 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1445 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1446 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1447 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1448 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1449 && v[i].name.len == key[n].key.len |
| 611 | 1450 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1451 == 0) |
| 1452 { | |
| 637 | 1453 v[i].get_handler = av->get_handler; |
| 611 | 1454 v[i].data = av->data; |
| 527 | 1455 |
| 611 | 1456 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1457 v[i].flags = av->flags; | |
| 509 | 1458 |
| 611 | 1459 av->index = i; |
| 533 | 1460 |
| 509 | 1461 goto next; |
| 1462 } | |
| 1463 } | |
| 1464 | |
| 1465 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1466 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1467 v[i].data = (uintptr_t) &v[i].name; |
| 1468 | |
| 1469 continue; | |
| 1470 } | |
| 1471 | |
| 1472 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1473 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1474 v[i].data = (uintptr_t) &v[i].name; |
| 1475 | |
| 1476 continue; | |
| 1477 } | |
| 1478 | |
| 1162 | 1479 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1480 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1481 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1482 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1483 |
| 1484 continue; | |
| 1485 } | |
| 1486 | |
| 2137 | 1487 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1488 v[i].get_handler = ngx_http_variable_argument; | |
| 1489 v[i].data = (uintptr_t) &v[i].name; | |
| 1490 | |
| 1491 continue; | |
| 1492 } | |
| 1493 | |
| 509 | 1494 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1495 "unknown \"%V\" variable", &v[i].name); | |
| 1496 | |
| 1497 return NGX_ERROR; | |
| 1498 | |
| 1499 next: | |
| 1500 continue; | |
| 1501 } | |
| 1502 | |
| 1503 | |
| 611 | 1504 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1505 av = key[n].value; | |
| 1506 | |
| 1507 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1508 key[n].key.data = NULL; | |
| 583 | 1509 } |
| 1510 } | |
| 1511 | |
| 1512 | |
| 611 | 1513 hash.hash = &cmcf->variables_hash; |
| 1514 hash.key = ngx_hash_key; | |
| 1515 hash.max_size = cmcf->variables_hash_max_size; | |
| 1516 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1517 hash.name = "variables_hash"; | |
| 1518 hash.pool = cf->pool; | |
| 1519 hash.temp_pool = NULL; | |
| 509 | 1520 |
| 611 | 1521 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1522 cmcf->variables_keys->keys.nelts) | |
| 581 | 1523 != NGX_OK) |
| 509 | 1524 { |
| 1525 return NGX_ERROR; | |
| 1526 } | |
| 1527 | |
| 611 | 1528 cmcf->variables_keys = NULL; |
| 509 | 1529 |
| 1530 return NGX_OK; | |
| 1531 } |