Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2233:f62751dab60d
remove unused #include's
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 05 Sep 2008 15:25:47 +0000 |
| parents | 74477ea8074f |
| children | 852fe29e6446 |
| 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()
Igor Sysoev <igor@sysoev.ru>
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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, |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
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); | |
| 499 | 81 |
| 509 | 82 /* |
| 83 * TODO: | |
| 84 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 85 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 86 * SERVER_SOFTWARE | |
| 87 * | |
| 571 | 88 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 89 */ |
| 499 | 90 |
| 641 | 91 /* |
| 92 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 93 * and $http_x_forwarded_for variables may be handled by generic | |
| 94 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 95 * they are handled using dedicated entries | |
| 96 */ | |
| 97 | |
| 509 | 98 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 99 | |
| 637 | 100 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 101 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 102 |
| 637 | 103 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 104 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 105 |
| 637 | 106 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 107 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 108 |
| 109 #if (NGX_HTTP_GZIP) | |
| 637 | 110 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 111 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 112 #endif |
| 113 | |
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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114 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 115 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 116 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 117 #endif |
| 118 | |
| 637 | 119 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 120 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 121 |
| 637 | 122 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 123 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 124 |
| 637 | 125 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 126 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 127 |
| 637 | 128 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 129 |
| 982 | 130 { 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
|
131 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 132 |
| 637 | 133 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 134 |
| 637 | 135 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 136 |
| 637 | 137 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 138 |
| 637 | 139 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 140 |
| 637 | 141 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 142 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 143 |
| 731 | 144 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 145 | |
| 637 | 146 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 147 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 148 |
| 637 | 149 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 150 offsetof(ngx_http_request_t, uri), | |
| 1565 | 151 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 152 |
| 153 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 154 offsetof(ngx_http_request_t, uri), |
| 1565 | 155 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 156 |
| 637 | 157 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 158 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 159 | |
| 637 | 160 { ngx_string("document_root"), NULL, |
| 1565 | 161 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 162 |
| 637 | 163 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 164 offsetof(ngx_http_request_t, args), |
| 1565 | 165 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 166 |
| 1350 | 167 { ngx_string("args"), |
| 168 ngx_http_variable_request_set, | |
| 169 ngx_http_variable_request, | |
| 589 | 170 offsetof(ngx_http_request_t, args), |
| 1565 | 171 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 172 |
| 1351 | 173 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 174 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 175 |
| 637 | 176 { ngx_string("request_filename"), NULL, |
| 177 ngx_http_variable_request_filename, 0, | |
| 1565 | 178 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 179 |
| 1811 | 180 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 181 |
| 637 | 182 { ngx_string("request_method"), NULL, |
| 183 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 184 |
| 637 | 185 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 186 |
| 637 | 187 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 188 0, 0, 0 }, |
| 189 | |
| 637 | 190 { ngx_string("request_completion"), NULL, |
| 191 ngx_http_variable_request_completion, | |
| 629 | 192 0, 0, 0 }, |
| 193 | |
| 759 | 194 { ngx_string("request_body_file"), NULL, |
| 195 ngx_http_variable_request_body_file, | |
| 196 0, 0, 0 }, | |
| 197 | |
| 641 | 198 { ngx_string("sent_http_content_type"), NULL, |
| 199 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 200 | |
| 201 { ngx_string("sent_http_content_length"), NULL, | |
| 202 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 203 | |
| 204 { ngx_string("sent_http_last_modified"), NULL, | |
| 205 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 206 | |
| 207 { ngx_string("sent_http_connection"), NULL, | |
| 208 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 209 | |
| 210 { ngx_string("sent_http_keep_alive"), NULL, | |
| 211 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 212 | |
| 213 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 214 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 215 | |
| 216 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 217 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 218 | |
| 637 | 219 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 220 ngx_http_variable_request, | |
| 221 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 222 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 223 |
| 1329 | 224 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 225 0, 0, 0 }, | |
| 226 | |
| 2011 | 227 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 228 0, 0, 0 }, | |
| 229 | |
| 637 | 230 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 231 }; |
| 232 | |
| 233 | |
| 577 | 234 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 235 ngx_http_variable(""); | |
| 236 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 237 ngx_http_variable("1"); | |
| 238 | |
| 239 | |
| 499 | 240 ngx_http_variable_t * |
| 509 | 241 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 242 { | |
| 611 | 243 ngx_int_t rc; |
| 509 | 244 ngx_uint_t i; |
| 611 | 245 ngx_hash_key_t *key; |
| 509 | 246 ngx_http_variable_t *v; |
| 247 ngx_http_core_main_conf_t *cmcf; | |
| 248 | |
| 249 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 250 | |
| 611 | 251 key = cmcf->variables_keys->keys.elts; |
| 252 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 253 if (name->len != key[i].key.len | |
| 254 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 255 { |
| 256 continue; | |
| 257 } | |
| 258 | |
| 611 | 259 v = key[i].value; |
| 260 | |
| 1565 | 261 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 262 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 263 "the duplicate \"%V\" variable", name); | |
| 264 return NULL; | |
| 265 } | |
| 266 | |
| 611 | 267 return v; |
| 509 | 268 } |
| 269 | |
| 611 | 270 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 271 if (v == NULL) { |
| 272 return NULL; | |
| 273 } | |
| 274 | |
| 275 v->name.len = name->len; | |
| 2049 | 276 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 277 if (v->name.data == NULL) { |
| 278 return NULL; | |
| 279 } | |
| 280 | |
| 2135 | 281 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 282 |
| 637 | 283 v->set_handler = NULL; |
| 284 v->get_handler = NULL; | |
| 509 | 285 v->data = 0; |
| 286 v->flags = flags; | |
| 533 | 287 v->index = 0; |
| 509 | 288 |
| 611 | 289 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 290 | |
| 291 if (rc == NGX_ERROR) { | |
| 292 return NULL; | |
| 293 } | |
| 294 | |
| 295 if (rc == NGX_BUSY) { | |
| 296 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 297 "conflicting variable name \"%V\"", name); | |
| 298 return NULL; | |
| 299 } | |
| 300 | |
| 509 | 301 return v; |
| 302 } | |
| 303 | |
| 304 | |
| 305 ngx_int_t | |
| 306 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 307 { |
| 501 | 308 ngx_uint_t i; |
| 309 ngx_http_variable_t *v; | |
| 499 | 310 ngx_http_core_main_conf_t *cmcf; |
| 311 | |
| 312 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 313 | |
| 501 | 314 v = cmcf->variables.elts; |
| 315 | |
| 316 if (v == NULL) { | |
| 499 | 317 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 318 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 319 { | |
| 509 | 320 return NGX_ERROR; |
| 499 | 321 } |
| 501 | 322 |
| 323 } else { | |
| 324 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 325 if (name->len != v[i].name.len | |
| 326 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 327 { | |
| 328 continue; | |
| 329 } | |
| 330 | |
| 509 | 331 return i; |
| 501 | 332 } |
| 499 | 333 } |
| 334 | |
| 501 | 335 v = ngx_array_push(&cmcf->variables); |
| 336 if (v == NULL) { | |
| 509 | 337 return NGX_ERROR; |
| 499 | 338 } |
| 339 | |
| 501 | 340 v->name.len = name->len; |
| 2049 | 341 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 342 if (v->name.data == NULL) { |
| 509 | 343 return NGX_ERROR; |
| 501 | 344 } |
| 499 | 345 |
| 2135 | 346 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 347 |
| 637 | 348 v->set_handler = NULL; |
| 349 v->get_handler = NULL; | |
| 501 | 350 v->data = 0; |
| 509 | 351 v->flags = 0; |
| 533 | 352 v->index = cmcf->variables.nelts - 1; |
| 501 | 353 |
| 509 | 354 return cmcf->variables.nelts - 1; |
| 499 | 355 } |
| 356 | |
| 357 | |
| 358 ngx_http_variable_value_t * | |
| 359 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 360 { | |
| 501 | 361 ngx_http_variable_t *v; |
| 499 | 362 ngx_http_core_main_conf_t *cmcf; |
| 363 | |
| 364 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 365 | |
| 553 | 366 if (cmcf->variables.nelts <= index) { |
| 499 | 367 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 368 "unknown variable index: %d", index); | |
| 369 return NULL; | |
| 370 } | |
| 371 | |
| 573 | 372 if (r->variables[index].not_found || r->variables[index].valid) { |
| 373 return &r->variables[index]; | |
| 501 | 374 } |
| 499 | 375 |
| 501 | 376 v = cmcf->variables.elts; |
| 499 | 377 |
| 637 | 378 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 379 == NGX_OK) | |
| 380 { | |
| 1565 | 381 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 382 r->variables[index].no_cacheable = 1; | |
| 499 | 383 } |
| 573 | 384 |
| 385 return &r->variables[index]; | |
| 499 | 386 } |
| 387 | |
| 657 | 388 r->variables[index].valid = 0; |
| 389 r->variables[index].not_found = 1; | |
| 390 | |
| 798 | 391 return NULL; |
| 573 | 392 } |
| 393 | |
| 394 | |
| 395 ngx_http_variable_value_t * | |
| 396 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 397 { | |
| 1150 | 398 ngx_http_variable_value_t *v; |
| 573 | 399 |
| 400 v = &r->variables[index]; | |
| 401 | |
| 402 if (v->valid) { | |
| 1565 | 403 if (!v->no_cacheable) { |
| 573 | 404 return v; |
| 405 } | |
| 406 | |
| 407 v->valid = 0; | |
| 408 v->not_found = 0; | |
| 509 | 409 } |
| 501 | 410 |
| 573 | 411 return ngx_http_get_indexed_variable(r, index); |
| 499 | 412 } |
| 413 | |
| 414 | |
| 415 ngx_http_variable_value_t * | |
| 635 | 416 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 417 ngx_uint_t nowarn) | |
| 499 | 418 { |
| 501 | 419 ngx_http_variable_t *v; |
| 573 | 420 ngx_http_variable_value_t *vv; |
| 499 | 421 ngx_http_core_main_conf_t *cmcf; |
| 422 | |
| 423 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 424 | |
| 611 | 425 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 426 |
| 611 | 427 if (v) { |
| 428 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 429 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 430 |
| 431 } else { | |
| 499 | 432 |
| 573 | 433 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 434 |
| 637 | 435 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 436 return vv; |
| 437 } | |
| 509 | 438 |
| 573 | 439 return NULL; |
| 440 } | |
| 509 | 441 } |
| 442 | |
| 443 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 444 if (vv == NULL) { | |
| 445 return NULL; | |
| 446 } | |
| 447 | |
| 573 | 448 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 449 |
| 577 | 450 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 451 == NGX_OK) | |
| 452 { | |
| 453 return vv; | |
| 454 } | |
| 455 | |
| 456 return NULL; | |
| 457 } | |
| 458 | |
| 459 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 460 | |
| 461 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 462 == NGX_OK) | |
| 573 | 463 { |
| 464 return vv; | |
| 465 } | |
| 499 | 466 |
| 467 return NULL; | |
| 468 } | |
| 469 | |
| 1162 | 470 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 471 | |
| 472 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 473 == NGX_OK) | |
| 474 { | |
| 475 return vv; | |
| 476 } | |
| 477 | |
| 478 return NULL; | |
| 479 } | |
| 480 | |
| 2137 | 481 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 482 | |
| 483 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 484 return vv; | |
| 485 } | |
| 486 | |
| 487 return NULL; | |
| 488 } | |
| 489 | |
| 635 | 490 vv->not_found = 1; |
| 573 | 491 |
| 635 | 492 if (nowarn == 0) { |
| 493 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 494 "unknown \"%V\" variable", name); | |
| 495 } | |
| 499 | 496 |
| 501 | 497 return vv; |
| 499 | 498 } |
| 499 | |
| 500 | |
| 573 | 501 static ngx_int_t |
| 502 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 503 uintptr_t data) | |
| 504 { | |
| 505 ngx_str_t *s; | |
| 506 | |
| 507 s = (ngx_str_t *) ((char *) r + data); | |
| 508 | |
| 509 if (s->data) { | |
| 510 v->len = s->len; | |
| 511 v->valid = 1; | |
| 1565 | 512 v->no_cacheable = 0; |
| 573 | 513 v->not_found = 0; |
| 514 v->data = s->data; | |
| 515 | |
| 516 } else { | |
| 517 v->not_found = 1; | |
| 518 } | |
| 519 | |
| 520 return NGX_OK; | |
| 521 } | |
| 522 | |
| 523 | |
| 637 | 524 static void |
| 1350 | 525 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 526 ngx_http_variable_value_t *v, uintptr_t data) | |
| 527 { | |
| 528 ngx_str_t *s; | |
| 529 | |
| 530 s = (ngx_str_t *) ((char *) r + data); | |
| 531 | |
| 532 s->len = v->len; | |
| 533 s->data = v->data; | |
| 534 } | |
| 535 | |
| 536 | |
| 537 static void | |
| 637 | 538 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 539 ngx_http_variable_value_t *v, uintptr_t data) | |
| 540 { | |
| 541 ssize_t s, *sp; | |
| 542 ngx_str_t val; | |
| 543 | |
|
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544 val.len = v->len; |
| 637 | 545 val.data = v->data; |
| 546 | |
| 547 s = ngx_parse_size(&val); | |
| 548 | |
| 549 if (s == NGX_ERROR) { | |
| 550 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 551 "invalid size \"%V\"", &val); | |
| 552 return; | |
| 553 } | |
| 554 | |
| 555 sp = (ssize_t *) ((char *) r + data); | |
| 556 | |
| 557 *sp = s; | |
| 558 | |
| 559 return; | |
| 560 } | |
| 561 | |
| 562 | |
| 573 | 563 static ngx_int_t |
| 564 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 565 uintptr_t data) | |
| 515 | 566 { |
| 573 | 567 ngx_table_elt_t *h; |
| 568 | |
| 569 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 570 | |
| 571 if (h) { | |
| 572 v->len = h->value.len; | |
| 573 v->valid = 1; | |
| 1565 | 574 v->no_cacheable = 0; |
| 573 | 575 v->not_found = 0; |
| 576 v->data = h->value.data; | |
| 577 | |
| 578 } else { | |
| 579 v->not_found = 1; | |
| 580 } | |
| 581 | |
| 582 return NGX_OK; | |
| 583 } | |
| 584 | |
| 585 | |
| 586 static ngx_int_t | |
| 587 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 588 uintptr_t data) | |
| 589 { | |
| 667 | 590 ssize_t len; |
| 573 | 591 u_char *p; |
| 667 | 592 ngx_uint_t i, n; |
| 573 | 593 ngx_array_t *a; |
| 594 ngx_table_elt_t **h; | |
| 515 | 595 |
| 596 a = (ngx_array_t *) ((char *) r + data); | |
| 597 | |
| 667 | 598 n = a->nelts; |
| 599 | |
| 600 if (n == 0) { | |
| 573 | 601 v->not_found = 1; |
| 602 return NGX_OK; | |
| 515 | 603 } |
| 604 | |
| 573 | 605 v->valid = 1; |
| 1565 | 606 v->no_cacheable = 0; |
| 573 | 607 v->not_found = 0; |
| 515 | 608 |
| 609 h = a->elts; | |
| 610 | |
| 667 | 611 if (n == 1) { |
| 573 | 612 v->len = (*h)->value.len; |
| 613 v->data = (*h)->value.data; | |
| 515 | 614 |
| 573 | 615 return NGX_OK; |
| 515 | 616 } |
| 617 | |
| 667 | 618 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 619 |
| 667 | 620 for (i = 0; i < n; i++) { |
| 573 | 621 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 622 } |
| 623 | |
| 2049 | 624 p = ngx_pnalloc(r->pool, len); |
| 573 | 625 if (p == NULL) { |
| 626 return NGX_ERROR; | |
| 627 } | |
| 628 | |
| 629 v->len = len; | |
| 630 v->data = p; | |
| 515 | 631 |
| 632 for (i = 0; /* void */ ; i++) { | |
| 573 | 633 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 634 |
| 667 | 635 if (i == n - 1) { |
| 515 | 636 break; |
| 637 } | |
| 638 | |
| 639 *p++ = ';'; *p++ = ' '; | |
| 640 } | |
| 641 | |
| 573 | 642 return NGX_OK; |
| 515 | 643 } |
| 644 | |
| 645 | |
| 573 | 646 static ngx_int_t |
| 577 | 647 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 648 ngx_http_variable_value_t *v, uintptr_t data) | |
| 649 { | |
| 650 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 651 &r->headers_in.headers.part, | |
| 652 sizeof("http_") - 1); | |
| 653 } | |
| 654 | |
| 655 | |
| 656 static ngx_int_t | |
| 657 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 658 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 659 { |
| 577 | 660 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 661 &r->headers_out.headers.part, | |
| 662 sizeof("sent_http_") - 1); | |
| 663 } | |
| 501 | 664 |
| 577 | 665 |
| 1162 | 666 ngx_int_t |
| 577 | 667 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 668 ngx_list_part_t *part, size_t prefix) | |
| 669 { | |
| 573 | 670 u_char ch; |
| 671 ngx_uint_t i, n; | |
| 672 ngx_table_elt_t *header; | |
| 499 | 673 |
| 674 header = part->elts; | |
| 675 | |
| 676 for (i = 0; /* void */ ; i++) { | |
| 677 | |
| 678 if (i >= part->nelts) { | |
| 679 if (part->next == NULL) { | |
| 680 break; | |
| 681 } | |
| 682 | |
| 683 part = part->next; | |
| 684 header = part->elts; | |
| 685 i = 0; | |
| 686 } | |
| 687 | |
| 577 | 688 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 689 ch = header[i].key.data[n]; |
| 690 | |
| 509 | 691 if (ch >= 'A' && ch <= 'Z') { |
| 692 ch |= 0x20; | |
| 499 | 693 |
| 694 } else if (ch == '-') { | |
| 695 ch = '_'; | |
| 696 } | |
| 697 | |
| 577 | 698 if (var->data[n + prefix] != ch) { |
| 499 | 699 break; |
| 700 } | |
| 701 } | |
| 702 | |
|
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703 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 704 v->len = header[i].value.len; |
| 705 v->valid = 1; | |
| 1565 | 706 v->no_cacheable = 0; |
| 573 | 707 v->not_found = 0; |
| 708 v->data = header[i].value.data; | |
| 499 | 709 |
| 573 | 710 return NGX_OK; |
| 499 | 711 } |
| 712 } | |
| 713 | |
| 573 | 714 v->not_found = 1; |
| 715 | |
| 716 return NGX_OK; | |
| 509 | 717 } |
| 718 | |
| 719 | |
| 573 | 720 static ngx_int_t |
| 2137 | 721 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 722 uintptr_t data) | |
| 723 { | |
| 724 ngx_str_t *name = (ngx_str_t *) data; | |
| 725 | |
| 726 u_char *p, *arg; | |
| 727 size_t len; | |
| 728 | |
| 729 if (r->args.len == 0) { | |
| 730 v->not_found = 1; | |
| 731 return NGX_OK; | |
| 732 } | |
| 733 | |
| 734 len = name->len - 1 - (sizeof("arg_") - 1); | |
| 735 arg = name->data + sizeof("arg_") - 1; | |
| 736 | |
| 737 for (p = r->args.data; *p && *p != ' '; p++) { | |
| 738 | |
| 739 /* | |
| 740 * although r->args.data is not null-terminated by itself, | |
| 741 * however, there is null in the end of request line | |
| 742 */ | |
| 743 | |
| 744 p = ngx_strcasestrn(p, (char *) arg, len); | |
| 745 | |
| 746 if (p == NULL) { | |
| 747 v->not_found = 1; | |
| 748 return NGX_OK; | |
| 749 } | |
| 750 | |
| 751 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
| 752 | |
| 753 v->data = p + len + 2; | |
| 754 | |
| 755 p = (u_char *) ngx_strchr(p, '&'); | |
| 756 | |
| 757 if (p == NULL) { | |
| 758 p = r->args.data + r->args.len; | |
| 759 } | |
| 760 | |
| 761 v->len = p - v->data; | |
| 762 v->valid = 1; | |
| 763 v->no_cacheable = 0; | |
| 764 v->not_found = 0; | |
| 765 | |
| 766 return NGX_OK; | |
| 767 } | |
| 768 } | |
| 769 | |
| 770 v->not_found = 1; | |
| 771 | |
| 772 return NGX_OK; | |
| 773 } | |
| 774 | |
| 775 | |
| 776 static ngx_int_t | |
| 573 | 777 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 778 uintptr_t data) | |
| 509 | 779 { |
| 1811 | 780 ngx_http_core_srv_conf_t *cscf; |
| 781 | |
|
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782 if (r->headers_in.server.len) { |
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783 v->len = r->headers_in.server.len; |
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parents:
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diff
changeset
|
784 v->data = r->headers_in.server.data; |
|
928
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parents:
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diff
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785 |
|
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diff
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786 } else { |
|
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parents:
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diff
changeset
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787 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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788 |
|
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parents:
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789 v->len = cscf->server_name.len; |
|
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790 v->data = cscf->server_name.data; |
| 509 | 791 } |
| 792 | |
| 573 | 793 v->valid = 1; |
| 1565 | 794 v->no_cacheable = 0; |
| 573 | 795 v->not_found = 0; |
| 509 | 796 |
| 573 | 797 return NGX_OK; |
| 499 | 798 } |
| 799 | |
| 800 | |
| 573 | 801 static ngx_int_t |
|
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802 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 803 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 804 { |
| 982 | 805 struct sockaddr_in *sin; |
| 806 | |
|
983
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807 /* AF_INET only */ |
|
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808 |
|
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diff
changeset
|
809 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 810 |
|
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parents:
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diff
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811 v->len = sizeof(in_addr_t); |
|
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diff
changeset
|
812 v->valid = 1; |
| 1565 | 813 v->no_cacheable = 0; |
|
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814 v->not_found = 0; |
|
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diff
changeset
|
815 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 816 |
|
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817 return NGX_OK; |
|
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diff
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|
818 } |
| 982 | 819 |
| 820 | |
|
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|
821 static ngx_int_t |
|
7a8ca436d611
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diff
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|
822 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
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diff
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|
823 ngx_http_variable_value_t *v, uintptr_t data) |
|
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|
824 { |
|
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825 v->len = r->connection->addr_text.len; |
|
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changeset
|
826 v->valid = 1; |
| 1565 | 827 v->no_cacheable = 0; |
|
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parents:
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828 v->not_found = 0; |
|
7a8ca436d611
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diff
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|
829 v->data = r->connection->addr_text.data; |
| 499 | 830 |
| 573 | 831 return NGX_OK; |
| 499 | 832 } |
| 833 | |
| 834 | |
| 573 | 835 static ngx_int_t |
| 836 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 837 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 838 { |
| 573 | 839 ngx_uint_t port; |
| 840 struct sockaddr_in *sin; | |
| 509 | 841 |
| 573 | 842 v->len = 0; |
| 843 v->valid = 1; | |
| 1565 | 844 v->no_cacheable = 0; |
| 573 | 845 v->not_found = 0; |
| 509 | 846 |
| 2049 | 847 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 848 if (v->data == NULL) { |
| 849 return NGX_ERROR; | |
| 509 | 850 } |
| 851 | |
| 852 /* AF_INET only */ | |
| 577 | 853 |
| 509 | 854 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 855 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 856 |
| 509 | 857 port = ntohs(sin->sin_port); |
| 577 | 858 |
| 509 | 859 if (port > 0 && port < 65536) { |
| 573 | 860 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 861 } |
| 862 } | |
| 863 | |
| 573 | 864 return NGX_OK; |
| 509 | 865 } |
| 866 | |
| 867 | |
| 573 | 868 static ngx_int_t |
| 869 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 870 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 871 { |
| 1805 | 872 ngx_str_t s; |
| 499 | 873 |
|
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parents:
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changeset
|
874 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
| 1805 | 875 if (s.data == NULL) { |
| 573 | 876 return NGX_ERROR; |
| 509 | 877 } |
| 878 | |
| 1805 | 879 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 880 return NGX_ERROR; | |
| 509 | 881 } |
| 882 | |
| 1805 | 883 v->len = s.len; |
| 573 | 884 v->valid = 1; |
| 1565 | 885 v->no_cacheable = 0; |
| 573 | 886 v->not_found = 0; |
| 1805 | 887 v->data = s.data; |
| 499 | 888 |
| 573 | 889 return NGX_OK; |
| 499 | 890 } |
| 891 | |
| 892 | |
| 573 | 893 static ngx_int_t |
| 894 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 895 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 896 { |
| 573 | 897 v->len = r->port_text->len - 1; |
| 898 v->valid = 1; | |
| 1565 | 899 v->no_cacheable = 0; |
| 573 | 900 v->not_found = 0; |
| 901 v->data = r->port_text->data + 1; | |
| 509 | 902 |
| 573 | 903 return NGX_OK; |
| 509 | 904 } |
| 905 | |
| 906 | |
| 573 | 907 static ngx_int_t |
| 731 | 908 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 909 ngx_http_variable_value_t *v, uintptr_t data) | |
| 910 { | |
| 911 #if (NGX_HTTP_SSL) | |
| 912 | |
| 913 if (r->connection->ssl) { | |
| 914 v->len = sizeof("https") - 1; | |
| 915 v->valid = 1; | |
| 1565 | 916 v->no_cacheable = 0; |
| 731 | 917 v->not_found = 0; |
| 732 | 918 v->data = (u_char *) "https"; |
| 731 | 919 |
| 920 return NGX_OK; | |
| 921 } | |
| 922 | |
| 923 #endif | |
| 924 | |
| 925 v->len = sizeof("http") - 1; | |
| 926 v->valid = 1; | |
| 1565 | 927 v->no_cacheable = 0; |
| 731 | 928 v->not_found = 0; |
| 732 | 929 v->data = (u_char *) "http"; |
| 731 | 930 |
| 931 return NGX_OK; | |
| 932 } | |
| 933 | |
| 934 | |
| 935 static ngx_int_t | |
| 1351 | 936 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 937 ngx_http_variable_value_t *v, uintptr_t data) | |
| 938 { | |
| 939 v->valid = 1; | |
| 1565 | 940 v->no_cacheable = 0; |
| 1351 | 941 v->not_found = 0; |
| 942 | |
| 943 if (r->args.len == 0) { | |
| 944 v->len = 0; | |
| 945 v->data = NULL; | |
| 946 return NGX_OK; | |
| 947 } | |
| 948 | |
| 949 v->len = 1; | |
| 950 v->data = (u_char *) "?"; | |
| 951 | |
| 952 return NGX_OK; | |
| 953 } | |
| 954 | |
| 955 | |
| 956 static ngx_int_t | |
| 573 | 957 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 958 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 959 { |
| 671 | 960 ngx_str_t path; |
| 573 | 961 ngx_http_core_loc_conf_t *clcf; |
| 509 | 962 |
| 963 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 964 | |
| 671 | 965 if (clcf->root_lengths == NULL) { |
| 966 v->len = clcf->root.len; | |
| 967 v->valid = 1; | |
| 1565 | 968 v->no_cacheable = 0; |
| 671 | 969 v->not_found = 0; |
| 970 v->data = clcf->root.data; | |
| 971 | |
| 972 } else { | |
| 973 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 974 clcf->root_values->elts) | |
| 975 == NULL) | |
| 976 { | |
| 977 return NGX_ERROR; | |
| 978 } | |
| 979 | |
| 1352 | 980 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 981 == NGX_ERROR) | |
| 982 { | |
| 671 | 983 return NGX_ERROR; |
| 984 } | |
| 985 | |
| 986 v->len = path.len; | |
| 987 v->valid = 1; | |
| 1565 | 988 v->no_cacheable = 0; |
| 671 | 989 v->not_found = 0; |
| 990 v->data = path.data; | |
| 991 } | |
| 509 | 992 |
| 573 | 993 return NGX_OK; |
| 509 | 994 } |
| 995 | |
| 996 | |
| 573 | 997 static ngx_int_t |
| 998 ngx_http_variable_request_filename(ngx_http_request_t *r, | |
| 999 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1000 { |
| 773 | 1001 size_t root; |
| 573 | 1002 ngx_str_t path; |
| 499 | 1003 |
| 773 | 1004 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1005 return NGX_ERROR; |
| 557 | 1006 } |
| 509 | 1007 |
| 557 | 1008 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1009 |
| 573 | 1010 v->len = path.len - 1; |
| 1011 v->valid = 1; | |
| 1565 | 1012 v->no_cacheable = 0; |
| 573 | 1013 v->not_found = 0; |
| 1014 v->data = path.data; | |
| 499 | 1015 |
| 573 | 1016 return NGX_OK; |
| 499 | 1017 } |
| 1018 | |
| 1019 | |
| 573 | 1020 static ngx_int_t |
| 1811 | 1021 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1022 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1023 { | |
| 1024 ngx_http_core_srv_conf_t *cscf; | |
| 1025 | |
| 1026 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1027 | |
| 1028 v->len = cscf->server_name.len; | |
| 1029 v->valid = 1; | |
| 1030 v->no_cacheable = 0; | |
| 1031 v->not_found = 0; | |
| 1032 v->data = cscf->server_name.data; | |
| 1033 | |
| 1034 return NGX_OK; | |
| 1035 } | |
| 1036 | |
| 1037 | |
| 1038 static ngx_int_t | |
| 573 | 1039 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1040 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1041 { |
| 647 | 1042 if (r->main->method_name.data) { |
| 1043 v->len = r->main->method_name.len; | |
| 573 | 1044 v->valid = 1; |
| 1565 | 1045 v->no_cacheable = 0; |
| 573 | 1046 v->not_found = 0; |
| 647 | 1047 v->data = r->main->method_name.data; |
| 573 | 1048 |
| 1049 } else { | |
| 1050 v->not_found = 1; | |
| 561 | 1051 } |
| 1052 | |
| 573 | 1053 return NGX_OK; |
| 561 | 1054 } |
| 1055 | |
| 1056 | |
| 573 | 1057 static ngx_int_t |
| 1058 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1059 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1060 { |
| 573 | 1061 ngx_int_t rc; |
| 539 | 1062 |
| 1063 rc = ngx_http_auth_basic_user(r); | |
| 1064 | |
| 1065 if (rc == NGX_DECLINED) { | |
| 573 | 1066 v->not_found = 1; |
| 1067 return NGX_OK; | |
| 539 | 1068 } |
| 1069 | |
| 1070 if (rc == NGX_ERROR) { | |
| 573 | 1071 return NGX_ERROR; |
| 539 | 1072 } |
| 1073 | |
| 573 | 1074 v->len = r->headers_in.user.len; |
| 1075 v->valid = 1; | |
| 1565 | 1076 v->no_cacheable = 0; |
| 573 | 1077 v->not_found = 0; |
| 1078 v->data = r->headers_in.user.data; | |
| 571 | 1079 |
| 573 | 1080 return NGX_OK; |
| 571 | 1081 } |
| 1082 | |
| 1083 | |
| 611 | 1084 static ngx_int_t |
| 1085 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1086 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1087 { | |
| 1088 off_t sent; | |
| 1089 u_char *p; | |
| 1090 | |
| 1091 sent = r->connection->sent - r->header_size; | |
| 1092 | |
| 1093 if (sent < 0) { | |
| 1094 sent = 0; | |
| 1095 } | |
| 1096 | |
| 2049 | 1097 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1098 if (p == NULL) { |
| 1099 return NGX_ERROR; | |
| 1100 } | |
| 1101 | |
| 1102 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1103 v->valid = 1; | |
| 1565 | 1104 v->no_cacheable = 0; |
| 611 | 1105 v->not_found = 0; |
| 1106 v->data = p; | |
| 1107 | |
| 1108 return NGX_OK; | |
| 1109 } | |
| 1110 | |
| 1111 | |
| 629 | 1112 static ngx_int_t |
| 641 | 1113 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1114 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1115 { | |
| 1116 if (r->headers_out.content_type.len) { | |
| 1117 v->len = r->headers_out.content_type.len; | |
| 1118 v->valid = 1; | |
| 1565 | 1119 v->no_cacheable = 0; |
| 641 | 1120 v->not_found = 0; |
| 1121 v->data = r->headers_out.content_type.data; | |
| 1122 | |
| 1123 } else { | |
| 1124 v->not_found = 1; | |
| 1125 } | |
| 1126 | |
| 1127 return NGX_OK; | |
| 1128 } | |
| 1129 | |
| 1130 | |
| 1131 static ngx_int_t | |
| 1132 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1133 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1134 { | |
| 1135 u_char *p; | |
| 1136 | |
| 1137 if (r->headers_out.content_length) { | |
| 1138 v->len = r->headers_out.content_length->value.len; | |
| 1139 v->valid = 1; | |
| 1565 | 1140 v->no_cacheable = 0; |
| 641 | 1141 v->not_found = 0; |
| 1142 v->data = r->headers_out.content_length->value.data; | |
| 1143 | |
| 1144 return NGX_OK; | |
| 1145 } | |
| 1146 | |
| 1147 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1148 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1149 if (p == NULL) { |
| 1150 return NGX_ERROR; | |
| 1151 } | |
| 1152 | |
| 1153 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1154 v->valid = 1; | |
| 1565 | 1155 v->no_cacheable = 0; |
| 641 | 1156 v->not_found = 0; |
| 1157 v->data = p; | |
| 1158 | |
| 1159 return NGX_OK; | |
| 1160 } | |
| 1161 | |
| 1162 v->not_found = 1; | |
| 1163 | |
| 1164 return NGX_OK; | |
| 1165 } | |
| 1166 | |
| 1167 | |
| 1168 static ngx_int_t | |
| 1169 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1170 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1171 { | |
| 1172 u_char *p; | |
| 1173 | |
| 1174 if (r->headers_out.last_modified) { | |
| 1175 v->len = r->headers_out.last_modified->value.len; | |
| 1176 v->valid = 1; | |
| 1565 | 1177 v->no_cacheable = 0; |
| 641 | 1178 v->not_found = 0; |
| 1179 v->data = r->headers_out.last_modified->value.data; | |
| 1180 | |
| 1181 return NGX_OK; | |
| 1182 } | |
| 1183 | |
| 1184 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1185 p = ngx_pnalloc(r->pool, |
| 641 | 1186 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1187 if (p == NULL) { | |
| 1188 return NGX_ERROR; | |
| 1189 } | |
| 1190 | |
| 1191 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1192 v->valid = 1; | |
| 1565 | 1193 v->no_cacheable = 0; |
| 641 | 1194 v->not_found = 0; |
| 1195 v->data = p; | |
| 1196 | |
| 1197 return NGX_OK; | |
| 1198 } | |
| 1199 | |
| 1200 v->not_found = 1; | |
| 1201 | |
| 1202 return NGX_OK; | |
| 1203 } | |
| 1204 | |
| 1205 | |
| 1206 static ngx_int_t | |
| 1207 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1208 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1209 { | |
| 1210 size_t len; | |
| 1211 char *p; | |
| 1212 | |
| 1213 if (r->keepalive) { | |
| 1214 len = sizeof("keep-alive") - 1; | |
| 1215 p = "keep-alive"; | |
| 1216 | |
| 1217 } else { | |
| 1218 len = sizeof("close") - 1; | |
| 1219 p = "close"; | |
| 1220 } | |
| 1221 | |
| 1222 v->len = len; | |
| 1223 v->valid = 1; | |
| 1565 | 1224 v->no_cacheable = 0; |
| 641 | 1225 v->not_found = 0; |
| 1226 v->data = (u_char *) p; | |
| 1227 | |
| 1228 return NGX_OK; | |
| 1229 } | |
| 1230 | |
| 1231 | |
| 1232 static ngx_int_t | |
| 1233 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1234 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1235 { | |
| 1236 u_char *p; | |
| 1237 ngx_http_core_loc_conf_t *clcf; | |
| 1238 | |
| 1239 if (r->keepalive) { | |
| 1240 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1241 | |
| 1242 if (clcf->keepalive_header) { | |
| 1243 | |
| 2049 | 1244 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1245 if (p == NULL) { |
| 1246 return NGX_ERROR; | |
| 1247 } | |
| 1248 | |
| 1249 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1250 v->valid = 1; | |
| 1565 | 1251 v->no_cacheable = 0; |
| 641 | 1252 v->not_found = 0; |
| 1253 v->data = p; | |
| 1254 | |
| 1255 return NGX_OK; | |
| 1256 } | |
| 1257 } | |
| 1258 | |
| 1259 v->not_found = 1; | |
| 1260 | |
| 1261 return NGX_OK; | |
| 1262 } | |
| 1263 | |
| 1264 | |
| 1265 static ngx_int_t | |
| 1266 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1267 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1268 { | |
| 1269 if (r->chunked) { | |
| 1270 v->len = sizeof("chunked") - 1; | |
| 1271 v->valid = 1; | |
| 1565 | 1272 v->no_cacheable = 0; |
| 641 | 1273 v->not_found = 0; |
| 1274 v->data = (u_char *) "chunked"; | |
| 1275 | |
| 1276 } else { | |
| 1277 v->not_found = 1; | |
| 1278 } | |
| 1279 | |
| 1280 return NGX_OK; | |
| 1281 } | |
| 1282 | |
| 1283 | |
| 1284 static ngx_int_t | |
| 629 | 1285 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1286 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1287 { | |
| 1288 if (r->request_complete) { | |
| 1289 v->len = 2; | |
| 1290 v->valid = 1; | |
| 1565 | 1291 v->no_cacheable = 0; |
| 629 | 1292 v->not_found = 0; |
| 1293 v->data = (u_char *) "OK"; | |
| 1294 | |
| 1295 return NGX_OK; | |
| 1296 } | |
| 1297 | |
| 1298 v->len = 0; | |
| 1299 v->valid = 1; | |
| 1565 | 1300 v->no_cacheable = 0; |
| 629 | 1301 v->not_found = 0; |
| 1302 v->data = (u_char *) ""; | |
| 1303 | |
| 1304 return NGX_OK; | |
| 1305 } | |
| 1306 | |
| 1307 | |
| 759 | 1308 static ngx_int_t |
| 1309 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1310 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1311 { | |
| 1312 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
|
1313 v->not_found = 1; |
| 759 | 1314 |
| 1315 return NGX_OK; | |
| 1316 } | |
| 1317 | |
| 1318 v->len = r->request_body->temp_file->file.name.len; | |
| 1319 v->valid = 1; | |
| 1565 | 1320 v->no_cacheable = 0; |
| 759 | 1321 v->not_found = 0; |
| 1322 v->data = r->request_body->temp_file->file.name.data; | |
| 1323 | |
| 1324 return NGX_OK; | |
| 1325 } | |
| 1326 | |
| 1327 | |
| 1329 | 1328 static ngx_int_t |
| 1329 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1330 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1331 { | |
| 1332 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1333 v->valid = 1; | |
| 1565 | 1334 v->no_cacheable = 0; |
| 1329 | 1335 v->not_found = 0; |
| 1336 v->data = (u_char *) NGINX_VERSION; | |
| 1337 | |
| 1338 return NGX_OK; | |
| 1339 } | |
| 1340 | |
| 1341 | |
| 2011 | 1342 static ngx_int_t |
| 1343 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1344 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1345 { | |
| 1346 v->len = ngx_cycle->hostname.len; | |
| 1347 v->valid = 1; | |
| 1348 v->no_cacheable = 0; | |
| 1349 v->not_found = 0; | |
| 1350 v->data = ngx_cycle->hostname.data; | |
| 1351 | |
| 1352 return NGX_OK; | |
| 1353 } | |
| 1354 | |
| 1355 | |
| 499 | 1356 ngx_int_t |
| 509 | 1357 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1358 { |
| 611 | 1359 ngx_int_t rc; |
| 1360 ngx_http_variable_t *v; | |
| 501 | 1361 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1362 |
| 509 | 1363 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1364 | |
| 611 | 1365 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1366 sizeof(ngx_hash_keys_arrays_t)); | |
| 1367 if (cmcf->variables_keys == NULL) { | |
| 1368 return NGX_ERROR; | |
| 1369 } | |
| 1370 | |
| 1371 cmcf->variables_keys->pool = cf->pool; | |
| 1372 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1373 | |
| 1374 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1375 != NGX_OK) | |
| 509 | 1376 { |
| 499 | 1377 return NGX_ERROR; |
| 1378 } | |
| 1379 | |
| 611 | 1380 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1381 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1382 NGX_HASH_READONLY_KEY); | |
| 1383 | |
| 1384 if (rc == NGX_OK) { | |
| 1385 continue; | |
| 499 | 1386 } |
| 1387 | |
| 611 | 1388 if (rc == NGX_BUSY) { |
| 1389 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1390 "conflicting variable name \"%V\"", &v->name); | |
| 1391 } | |
| 1392 | |
| 1393 return NGX_ERROR; | |
| 499 | 1394 } |
| 1395 | |
| 1396 return NGX_OK; | |
| 1397 } | |
| 509 | 1398 |
| 1399 | |
| 1400 ngx_int_t | |
| 1401 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1402 { | |
| 1403 ngx_uint_t i, n; | |
| 611 | 1404 ngx_hash_key_t *key; |
| 1405 ngx_hash_init_t hash; | |
| 509 | 1406 ngx_http_variable_t *v, *av; |
| 1407 ngx_http_core_main_conf_t *cmcf; | |
| 1408 | |
| 1409 /* set the handlers for the indexed http variables */ | |
| 1410 | |
| 1411 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1412 | |
| 1413 v = cmcf->variables.elts; | |
| 611 | 1414 key = cmcf->variables_keys->keys.elts; |
| 509 | 1415 |
| 1416 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1417 | |
| 611 | 1418 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1419 |
|
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1420 av = key[n].value; |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1421 |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1422 if (av->get_handler |
|
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
1423 && v[i].name.len == key[n].key.len |
| 611 | 1424 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1425 == 0) |
| 1426 { | |
| 637 | 1427 v[i].get_handler = av->get_handler; |
| 611 | 1428 v[i].data = av->data; |
| 527 | 1429 |
| 611 | 1430 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1431 v[i].flags = av->flags; | |
| 509 | 1432 |
| 611 | 1433 av->index = i; |
| 533 | 1434 |
| 509 | 1435 goto next; |
| 1436 } | |
| 1437 } | |
| 1438 | |
| 1439 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1440 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1441 v[i].data = (uintptr_t) &v[i].name; |
| 1442 | |
| 1443 continue; | |
| 1444 } | |
| 1445 | |
| 1446 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1447 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1448 v[i].data = (uintptr_t) &v[i].name; |
| 1449 | |
| 1450 continue; | |
| 1451 } | |
| 1452 | |
| 1162 | 1453 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1454 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1455 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1456 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1457 |
| 1458 continue; | |
| 1459 } | |
| 1460 | |
| 2137 | 1461 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1462 v[i].get_handler = ngx_http_variable_argument; | |
| 1463 v[i].data = (uintptr_t) &v[i].name; | |
| 1464 | |
| 1465 continue; | |
| 1466 } | |
| 1467 | |
| 509 | 1468 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1469 "unknown \"%V\" variable", &v[i].name); | |
| 1470 | |
| 1471 return NGX_ERROR; | |
| 1472 | |
| 1473 next: | |
| 1474 continue; | |
| 1475 } | |
| 1476 | |
| 1477 | |
| 611 | 1478 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1479 av = key[n].value; | |
| 1480 | |
| 1481 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1482 key[n].key.data = NULL; | |
| 583 | 1483 } |
| 1484 } | |
| 1485 | |
| 1486 | |
| 611 | 1487 hash.hash = &cmcf->variables_hash; |
| 1488 hash.key = ngx_hash_key; | |
| 1489 hash.max_size = cmcf->variables_hash_max_size; | |
| 1490 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1491 hash.name = "variables_hash"; | |
| 1492 hash.pool = cf->pool; | |
| 1493 hash.temp_pool = NULL; | |
| 509 | 1494 |
| 611 | 1495 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1496 cmcf->variables_keys->keys.nelts) | |
| 581 | 1497 != NGX_OK) |
| 509 | 1498 { |
| 1499 return NGX_ERROR; | |
| 1500 } | |
| 1501 | |
| 611 | 1502 cmcf->variables_keys = NULL; |
| 509 | 1503 |
| 1504 return NGX_OK; | |
| 1505 } |