Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2536:a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 24 Feb 2009 10:42:23 +0000 |
| parents | c843171d5dc2 |
| children | 051e9b12428e |
| 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); | |
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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29 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 31 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 32 |
| 573 | 33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 34 ngx_http_variable_value_t *v, uintptr_t data); | |
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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36 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 51 static ngx_int_t ngx_http_variable_realpath_root(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_filename(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 55 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 57 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 65 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 67 |
| 641 | 68 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 70 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
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72 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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73 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 74 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 | |
| 1329 | 83 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 85 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 87 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 89 |
| 509 | 90 /* |
| 91 * TODO: | |
| 92 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 93 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 94 * SERVER_SOFTWARE | |
| 95 * | |
| 571 | 96 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 97 */ |
| 499 | 98 |
| 641 | 99 /* |
| 100 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 101 * and $http_x_forwarded_for variables may be handled by generic | |
| 102 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 103 * they are handled using dedicated entries | |
| 104 */ | |
| 105 | |
| 509 | 106 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 107 | |
| 637 | 108 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 109 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 110 |
| 637 | 111 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 112 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 113 |
| 637 | 114 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 116 |
| 117 #if (NGX_HTTP_GZIP) | |
| 637 | 118 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 120 #endif |
| 121 | |
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122 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 123 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 124 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 125 #endif |
| 126 | |
| 637 | 127 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 128 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 129 |
| 637 | 130 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 131 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 132 |
| 637 | 133 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 134 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 137 |
| 982 | 138 { ngx_string("binary_remote_addr"), NULL, |
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139 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 140 |
| 637 | 141 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 142 |
| 637 | 143 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 144 |
| 637 | 145 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 146 |
| 637 | 147 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 148 |
| 637 | 149 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 150 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 151 |
| 731 | 152 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 153 | |
| 637 | 154 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 155 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 156 |
| 637 | 157 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 158 offsetof(ngx_http_request_t, uri), | |
| 1565 | 159 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 160 |
| 161 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 162 offsetof(ngx_http_request_t, uri), |
| 1565 | 163 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 164 |
| 637 | 165 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 166 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 167 | |
| 637 | 168 { ngx_string("document_root"), NULL, |
| 1565 | 169 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 170 |
| 2259 | 171 { ngx_string("realpath_root"), NULL, |
| 172 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 173 | |
| 637 | 174 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 175 offsetof(ngx_http_request_t, args), |
| 1565 | 176 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 177 |
| 1350 | 178 { ngx_string("args"), |
| 179 ngx_http_variable_request_set, | |
| 180 ngx_http_variable_request, | |
| 589 | 181 offsetof(ngx_http_request_t, args), |
| 1565 | 182 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 183 |
| 1351 | 184 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 185 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 186 |
| 637 | 187 { ngx_string("request_filename"), NULL, |
| 188 ngx_http_variable_request_filename, 0, | |
| 1565 | 189 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 190 |
| 1811 | 191 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 192 |
| 637 | 193 { ngx_string("request_method"), NULL, |
| 194 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 195 |
| 637 | 196 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 197 |
| 637 | 198 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 199 0, 0, 0 }, |
| 200 | |
| 637 | 201 { ngx_string("request_completion"), NULL, |
| 202 ngx_http_variable_request_completion, | |
| 629 | 203 0, 0, 0 }, |
| 204 | |
| 759 | 205 { ngx_string("request_body_file"), NULL, |
| 206 ngx_http_variable_request_body_file, | |
| 207 0, 0, 0 }, | |
| 208 | |
| 641 | 209 { ngx_string("sent_http_content_type"), NULL, |
| 210 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 211 | |
| 212 { ngx_string("sent_http_content_length"), NULL, | |
| 213 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 214 | |
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215 { ngx_string("sent_http_location"), NULL, |
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216 ngx_http_variable_sent_location, 0, 0, 0 }, |
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217 |
| 641 | 218 { ngx_string("sent_http_last_modified"), NULL, |
| 219 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 220 | |
| 221 { ngx_string("sent_http_connection"), NULL, | |
| 222 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 223 | |
| 224 { ngx_string("sent_http_keep_alive"), NULL, | |
| 225 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 226 | |
| 227 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 228 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 229 | |
| 230 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 231 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 232 | |
| 637 | 233 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 234 ngx_http_variable_request, | |
| 235 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 236 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 237 |
| 1329 | 238 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 239 0, 0, 0 }, | |
| 240 | |
| 2011 | 241 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 242 0, 0, 0 }, | |
| 243 | |
| 2249 | 244 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 245 0, 0, 0 }, | |
| 246 | |
| 637 | 247 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 248 }; |
| 249 | |
| 250 | |
| 577 | 251 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 252 ngx_http_variable(""); | |
| 253 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 254 ngx_http_variable("1"); | |
| 255 | |
| 256 | |
| 499 | 257 ngx_http_variable_t * |
| 509 | 258 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 259 { | |
| 611 | 260 ngx_int_t rc; |
| 509 | 261 ngx_uint_t i; |
| 611 | 262 ngx_hash_key_t *key; |
| 509 | 263 ngx_http_variable_t *v; |
| 264 ngx_http_core_main_conf_t *cmcf; | |
| 265 | |
| 266 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 267 | |
| 611 | 268 key = cmcf->variables_keys->keys.elts; |
| 269 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 270 if (name->len != key[i].key.len | |
| 271 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 272 { |
| 273 continue; | |
| 274 } | |
| 275 | |
| 611 | 276 v = key[i].value; |
| 277 | |
| 1565 | 278 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 279 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 280 "the duplicate \"%V\" variable", name); | |
| 281 return NULL; | |
| 282 } | |
| 283 | |
| 611 | 284 return v; |
| 509 | 285 } |
| 286 | |
| 611 | 287 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 288 if (v == NULL) { |
| 289 return NULL; | |
| 290 } | |
| 291 | |
| 292 v->name.len = name->len; | |
| 2049 | 293 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 294 if (v->name.data == NULL) { |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 2135 | 298 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 299 |
| 637 | 300 v->set_handler = NULL; |
| 301 v->get_handler = NULL; | |
| 509 | 302 v->data = 0; |
| 303 v->flags = flags; | |
| 533 | 304 v->index = 0; |
| 509 | 305 |
| 611 | 306 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 307 | |
| 308 if (rc == NGX_ERROR) { | |
| 309 return NULL; | |
| 310 } | |
| 311 | |
| 312 if (rc == NGX_BUSY) { | |
| 313 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 314 "conflicting variable name \"%V\"", name); | |
| 315 return NULL; | |
| 316 } | |
| 317 | |
| 509 | 318 return v; |
| 319 } | |
| 320 | |
| 321 | |
| 322 ngx_int_t | |
| 323 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 324 { |
| 501 | 325 ngx_uint_t i; |
| 326 ngx_http_variable_t *v; | |
| 499 | 327 ngx_http_core_main_conf_t *cmcf; |
| 328 | |
| 329 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 330 | |
| 501 | 331 v = cmcf->variables.elts; |
| 332 | |
| 333 if (v == NULL) { | |
| 499 | 334 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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335 sizeof(ngx_http_variable_t)) |
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336 != NGX_OK) |
| 499 | 337 { |
| 509 | 338 return NGX_ERROR; |
| 499 | 339 } |
| 501 | 340 |
| 341 } else { | |
| 342 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 343 if (name->len != v[i].name.len | |
| 344 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 345 { | |
| 346 continue; | |
| 347 } | |
| 348 | |
| 509 | 349 return i; |
| 501 | 350 } |
| 499 | 351 } |
| 352 | |
| 501 | 353 v = ngx_array_push(&cmcf->variables); |
| 354 if (v == NULL) { | |
| 509 | 355 return NGX_ERROR; |
| 499 | 356 } |
| 357 | |
| 501 | 358 v->name.len = name->len; |
| 2049 | 359 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 360 if (v->name.data == NULL) { |
| 509 | 361 return NGX_ERROR; |
| 501 | 362 } |
| 499 | 363 |
| 2135 | 364 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 365 |
| 637 | 366 v->set_handler = NULL; |
| 367 v->get_handler = NULL; | |
| 501 | 368 v->data = 0; |
| 509 | 369 v->flags = 0; |
| 533 | 370 v->index = cmcf->variables.nelts - 1; |
| 501 | 371 |
| 509 | 372 return cmcf->variables.nelts - 1; |
| 499 | 373 } |
| 374 | |
| 375 | |
| 376 ngx_http_variable_value_t * | |
| 377 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 378 { | |
| 501 | 379 ngx_http_variable_t *v; |
| 499 | 380 ngx_http_core_main_conf_t *cmcf; |
| 381 | |
| 382 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 383 | |
| 553 | 384 if (cmcf->variables.nelts <= index) { |
| 499 | 385 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 386 "unknown variable index: %d", index); | |
| 387 return NULL; | |
| 388 } | |
| 389 | |
| 573 | 390 if (r->variables[index].not_found || r->variables[index].valid) { |
| 391 return &r->variables[index]; | |
| 501 | 392 } |
| 499 | 393 |
| 501 | 394 v = cmcf->variables.elts; |
| 499 | 395 |
| 637 | 396 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 397 == NGX_OK) | |
| 398 { | |
| 1565 | 399 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 400 r->variables[index].no_cacheable = 1; | |
| 499 | 401 } |
| 573 | 402 |
| 403 return &r->variables[index]; | |
| 499 | 404 } |
| 405 | |
| 657 | 406 r->variables[index].valid = 0; |
| 407 r->variables[index].not_found = 1; | |
| 408 | |
| 798 | 409 return NULL; |
| 573 | 410 } |
| 411 | |
| 412 | |
| 413 ngx_http_variable_value_t * | |
| 414 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 415 { | |
| 1150 | 416 ngx_http_variable_value_t *v; |
| 573 | 417 |
| 418 v = &r->variables[index]; | |
| 419 | |
| 420 if (v->valid) { | |
| 1565 | 421 if (!v->no_cacheable) { |
| 573 | 422 return v; |
| 423 } | |
| 424 | |
| 425 v->valid = 0; | |
| 426 v->not_found = 0; | |
| 509 | 427 } |
| 501 | 428 |
| 573 | 429 return ngx_http_get_indexed_variable(r, index); |
| 499 | 430 } |
| 431 | |
| 432 | |
| 433 ngx_http_variable_value_t * | |
| 635 | 434 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 435 ngx_uint_t nowarn) | |
| 499 | 436 { |
| 501 | 437 ngx_http_variable_t *v; |
| 573 | 438 ngx_http_variable_value_t *vv; |
| 499 | 439 ngx_http_core_main_conf_t *cmcf; |
| 440 | |
| 441 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 442 | |
| 611 | 443 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 444 |
| 611 | 445 if (v) { |
| 446 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 447 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 448 |
| 449 } else { | |
| 499 | 450 |
| 573 | 451 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 452 |
| 637 | 453 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 454 return vv; |
| 455 } | |
| 509 | 456 |
| 573 | 457 return NULL; |
| 458 } | |
| 509 | 459 } |
| 460 | |
| 461 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 462 if (vv == NULL) { | |
| 463 return NULL; | |
| 464 } | |
| 465 | |
| 573 | 466 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 467 |
| 577 | 468 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 469 == NGX_OK) | |
| 470 { | |
| 471 return vv; | |
| 472 } | |
| 473 | |
| 474 return NULL; | |
| 475 } | |
| 476 | |
| 477 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 478 | |
| 479 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 480 == NGX_OK) | |
| 573 | 481 { |
| 482 return vv; | |
| 483 } | |
| 499 | 484 |
| 485 return NULL; | |
| 486 } | |
| 487 | |
| 1162 | 488 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 489 | |
| 490 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 491 == NGX_OK) | |
| 492 { | |
| 493 return vv; | |
| 494 } | |
| 495 | |
| 496 return NULL; | |
| 497 } | |
| 498 | |
| 2307 | 499 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 500 | |
|
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501 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 502 return vv; |
| 503 } | |
| 504 | |
| 505 return NULL; | |
| 506 } | |
| 507 | |
| 2137 | 508 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 509 | |
| 510 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 511 return vv; | |
| 512 } | |
| 513 | |
| 514 return NULL; | |
| 515 } | |
| 516 | |
| 635 | 517 vv->not_found = 1; |
| 573 | 518 |
| 635 | 519 if (nowarn == 0) { |
| 520 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 521 "unknown \"%V\" variable", name); | |
| 522 } | |
| 499 | 523 |
| 501 | 524 return vv; |
| 499 | 525 } |
| 526 | |
| 527 | |
| 573 | 528 static ngx_int_t |
| 529 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 530 uintptr_t data) | |
| 531 { | |
| 532 ngx_str_t *s; | |
| 533 | |
| 534 s = (ngx_str_t *) ((char *) r + data); | |
| 535 | |
| 536 if (s->data) { | |
| 537 v->len = s->len; | |
| 538 v->valid = 1; | |
| 1565 | 539 v->no_cacheable = 0; |
| 573 | 540 v->not_found = 0; |
| 541 v->data = s->data; | |
| 542 | |
| 543 } else { | |
| 544 v->not_found = 1; | |
| 545 } | |
| 546 | |
| 547 return NGX_OK; | |
| 548 } | |
| 549 | |
| 550 | |
| 637 | 551 static void |
| 1350 | 552 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 553 ngx_http_variable_value_t *v, uintptr_t data) | |
| 554 { | |
| 555 ngx_str_t *s; | |
| 556 | |
| 557 s = (ngx_str_t *) ((char *) r + data); | |
| 558 | |
| 559 s->len = v->len; | |
| 560 s->data = v->data; | |
| 561 } | |
| 562 | |
| 563 | |
| 564 static void | |
| 637 | 565 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 566 ngx_http_variable_value_t *v, uintptr_t data) | |
| 567 { | |
| 568 ssize_t s, *sp; | |
| 569 ngx_str_t val; | |
| 570 | |
|
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571 val.len = v->len; |
| 637 | 572 val.data = v->data; |
| 573 | |
| 574 s = ngx_parse_size(&val); | |
| 575 | |
| 576 if (s == NGX_ERROR) { | |
| 577 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 578 "invalid size \"%V\"", &val); | |
| 579 return; | |
| 580 } | |
| 581 | |
| 582 sp = (ssize_t *) ((char *) r + data); | |
| 583 | |
| 584 *sp = s; | |
| 585 | |
| 586 return; | |
| 587 } | |
| 588 | |
| 589 | |
| 573 | 590 static ngx_int_t |
| 591 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 592 uintptr_t data) | |
| 515 | 593 { |
| 573 | 594 ngx_table_elt_t *h; |
| 595 | |
| 596 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 597 | |
| 598 if (h) { | |
| 599 v->len = h->value.len; | |
| 600 v->valid = 1; | |
| 1565 | 601 v->no_cacheable = 0; |
| 573 | 602 v->not_found = 0; |
| 603 v->data = h->value.data; | |
| 604 | |
| 605 } else { | |
| 606 v->not_found = 1; | |
| 607 } | |
| 608 | |
| 609 return NGX_OK; | |
| 610 } | |
| 611 | |
| 612 | |
| 613 static ngx_int_t | |
| 614 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 615 uintptr_t data) | |
| 616 { | |
| 667 | 617 ssize_t len; |
| 573 | 618 u_char *p; |
| 667 | 619 ngx_uint_t i, n; |
| 573 | 620 ngx_array_t *a; |
| 621 ngx_table_elt_t **h; | |
| 515 | 622 |
| 623 a = (ngx_array_t *) ((char *) r + data); | |
| 624 | |
| 667 | 625 n = a->nelts; |
| 626 | |
| 627 if (n == 0) { | |
| 573 | 628 v->not_found = 1; |
| 629 return NGX_OK; | |
| 515 | 630 } |
| 631 | |
| 573 | 632 v->valid = 1; |
| 1565 | 633 v->no_cacheable = 0; |
| 573 | 634 v->not_found = 0; |
| 515 | 635 |
| 636 h = a->elts; | |
| 637 | |
| 667 | 638 if (n == 1) { |
| 573 | 639 v->len = (*h)->value.len; |
| 640 v->data = (*h)->value.data; | |
| 515 | 641 |
| 573 | 642 return NGX_OK; |
| 515 | 643 } |
| 644 | |
| 667 | 645 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 646 |
| 667 | 647 for (i = 0; i < n; i++) { |
| 573 | 648 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 649 } |
| 650 | |
| 2049 | 651 p = ngx_pnalloc(r->pool, len); |
| 573 | 652 if (p == NULL) { |
| 653 return NGX_ERROR; | |
| 654 } | |
| 655 | |
| 656 v->len = len; | |
| 657 v->data = p; | |
| 515 | 658 |
| 659 for (i = 0; /* void */ ; i++) { | |
| 573 | 660 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 661 |
| 667 | 662 if (i == n - 1) { |
| 515 | 663 break; |
| 664 } | |
| 665 | |
| 666 *p++ = ';'; *p++ = ' '; | |
| 667 } | |
| 668 | |
| 573 | 669 return NGX_OK; |
| 515 | 670 } |
| 671 | |
| 672 | |
| 573 | 673 static ngx_int_t |
| 577 | 674 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 675 ngx_http_variable_value_t *v, uintptr_t data) | |
| 676 { | |
| 677 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 678 &r->headers_in.headers.part, | |
| 679 sizeof("http_") - 1); | |
| 680 } | |
| 681 | |
| 682 | |
| 683 static ngx_int_t | |
| 684 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 685 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 686 { |
| 577 | 687 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 688 &r->headers_out.headers.part, | |
| 689 sizeof("sent_http_") - 1); | |
| 690 } | |
| 501 | 691 |
| 577 | 692 |
| 1162 | 693 ngx_int_t |
| 577 | 694 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 695 ngx_list_part_t *part, size_t prefix) | |
| 696 { | |
| 573 | 697 u_char ch; |
| 698 ngx_uint_t i, n; | |
| 699 ngx_table_elt_t *header; | |
| 499 | 700 |
| 701 header = part->elts; | |
| 702 | |
| 703 for (i = 0; /* void */ ; i++) { | |
| 704 | |
| 705 if (i >= part->nelts) { | |
| 706 if (part->next == NULL) { | |
| 707 break; | |
| 708 } | |
| 709 | |
| 710 part = part->next; | |
| 711 header = part->elts; | |
| 712 i = 0; | |
| 713 } | |
| 714 | |
| 577 | 715 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 716 ch = header[i].key.data[n]; |
| 717 | |
| 509 | 718 if (ch >= 'A' && ch <= 'Z') { |
| 719 ch |= 0x20; | |
| 499 | 720 |
| 721 } else if (ch == '-') { | |
| 722 ch = '_'; | |
| 723 } | |
| 724 | |
| 577 | 725 if (var->data[n + prefix] != ch) { |
| 499 | 726 break; |
| 727 } | |
| 728 } | |
| 729 | |
|
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730 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 731 v->len = header[i].value.len; |
| 732 v->valid = 1; | |
| 1565 | 733 v->no_cacheable = 0; |
| 573 | 734 v->not_found = 0; |
| 735 v->data = header[i].value.data; | |
| 499 | 736 |
| 573 | 737 return NGX_OK; |
| 499 | 738 } |
| 739 } | |
| 740 | |
| 573 | 741 v->not_found = 1; |
| 742 | |
| 743 return NGX_OK; | |
| 509 | 744 } |
| 745 | |
| 746 | |
| 573 | 747 static ngx_int_t |
| 2307 | 748 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 749 uintptr_t data) | |
| 750 { | |
| 751 ngx_str_t *name = (ngx_str_t *) data; | |
| 752 | |
| 753 ngx_str_t cookie, s; | |
| 754 | |
| 755 s.len = name->len - (sizeof("cookie_") - 1); | |
| 756 s.data = name->data + sizeof("cookie_") - 1; | |
| 757 | |
| 758 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 759 == NGX_DECLINED) | |
| 760 { | |
| 761 v->not_found = 1; | |
| 762 return NGX_OK; | |
| 763 } | |
| 764 | |
| 765 v->len = cookie.len; | |
| 766 v->valid = 1; | |
| 767 v->no_cacheable = 0; | |
| 768 v->not_found = 0; | |
| 769 v->data = cookie.data; | |
| 770 | |
| 771 return NGX_OK; | |
| 772 } | |
| 773 | |
| 774 | |
| 775 static ngx_int_t | |
| 2137 | 776 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 777 uintptr_t data) | |
| 778 { | |
| 779 ngx_str_t *name = (ngx_str_t *) data; | |
| 780 | |
| 2415 | 781 u_char *arg; |
| 782 size_t len; | |
| 783 ngx_str_t value; | |
| 2137 | 784 |
| 2415 | 785 len = name->len - (sizeof("arg_") - 1); |
| 786 arg = name->data + sizeof("arg_") - 1; | |
| 787 | |
| 788 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 789 v->not_found = 1; |
| 790 return NGX_OK; | |
| 791 } | |
| 792 | |
| 2415 | 793 v->data = value.data; |
| 794 v->len = value.len; | |
| 795 v->valid = 1; | |
| 796 v->no_cacheable = 0; | |
| 797 v->not_found = 0; | |
| 2137 | 798 |
| 799 return NGX_OK; | |
| 800 } | |
| 801 | |
| 802 | |
| 803 static ngx_int_t | |
| 573 | 804 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 805 uintptr_t data) | |
| 509 | 806 { |
| 1811 | 807 ngx_http_core_srv_conf_t *cscf; |
| 808 | |
|
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809 if (r->headers_in.server.len) { |
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810 v->len = r->headers_in.server.len; |
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811 v->data = r->headers_in.server.data; |
|
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812 |
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813 } else { |
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814 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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815 |
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816 v->len = cscf->server_name.len; |
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817 v->data = cscf->server_name.data; |
| 509 | 818 } |
| 819 | |
| 573 | 820 v->valid = 1; |
| 1565 | 821 v->no_cacheable = 0; |
| 573 | 822 v->not_found = 0; |
| 509 | 823 |
| 573 | 824 return NGX_OK; |
| 499 | 825 } |
| 826 | |
| 827 | |
| 573 | 828 static ngx_int_t |
|
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829 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 830 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 831 { |
|
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832 struct sockaddr_in *sin; |
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833 #if (NGX_HAVE_INET6) |
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834 struct sockaddr_in6 *sin6; |
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835 #endif |
| 982 | 836 |
|
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837 switch (r->connection->sockaddr->sa_family) { |
|
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838 |
|
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839 #if (NGX_HAVE_INET6) |
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840 case AF_INET6: |
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841 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 842 |
|
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843 v->len = sizeof(struct in6_addr); |
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844 v->valid = 1; |
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845 v->no_cacheable = 0; |
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846 v->not_found = 0; |
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847 v->data = (u_char *) &sin6->sin6_addr; |
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848 |
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849 break; |
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850 #endif |
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851 |
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852 default: /* AF_INET */ |
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853 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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854 |
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855 v->len = sizeof(in_addr_t); |
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856 v->valid = 1; |
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857 v->no_cacheable = 0; |
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858 v->not_found = 0; |
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859 v->data = (u_char *) &sin->sin_addr; |
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860 |
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861 break; |
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862 } |
| 982 | 863 |
|
983
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864 return NGX_OK; |
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865 } |
| 982 | 866 |
| 867 | |
|
983
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868 static ngx_int_t |
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869 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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870 ngx_http_variable_value_t *v, uintptr_t data) |
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871 { |
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872 v->len = r->connection->addr_text.len; |
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873 v->valid = 1; |
| 1565 | 874 v->no_cacheable = 0; |
|
983
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875 v->not_found = 0; |
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876 v->data = r->connection->addr_text.data; |
| 499 | 877 |
| 573 | 878 return NGX_OK; |
| 499 | 879 } |
| 880 | |
| 881 | |
| 573 | 882 static ngx_int_t |
| 883 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 884 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 885 { |
|
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886 ngx_uint_t port; |
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887 struct sockaddr_in *sin; |
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888 #if (NGX_HAVE_INET6) |
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889 struct sockaddr_in6 *sin6; |
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890 #endif |
| 509 | 891 |
| 573 | 892 v->len = 0; |
| 893 v->valid = 1; | |
| 1565 | 894 v->no_cacheable = 0; |
| 573 | 895 v->not_found = 0; |
| 509 | 896 |
| 2049 | 897 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 898 if (v->data == NULL) { |
| 899 return NGX_ERROR; | |
| 509 | 900 } |
| 901 | |
|
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902 switch (r->connection->sockaddr->sa_family) { |
| 577 | 903 |
|
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904 #if (NGX_HAVE_INET6) |
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905 case AF_INET6: |
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906 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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907 port = ntohs(sin6->sin6_port); |
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908 break; |
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909 #endif |
| 577 | 910 |
|
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911 default: /* AF_INET */ |
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912 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 913 port = ntohs(sin->sin_port); |
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914 break; |
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915 } |
| 577 | 916 |
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917 if (port > 0 && port < 65536) { |
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918 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 919 } |
| 920 | |
| 573 | 921 return NGX_OK; |
| 509 | 922 } |
| 923 | |
| 924 | |
| 573 | 925 static ngx_int_t |
| 926 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 927 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 928 { |
| 1805 | 929 ngx_str_t s; |
|
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930 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 931 |
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932 s.len = NGX_SOCKADDR_STRLEN; |
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933 s.data = addr; |
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934 |
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935 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
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936 return NGX_ERROR; |
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937 } |
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938 |
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939 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 940 if (s.data == NULL) { |
| 573 | 941 return NGX_ERROR; |
| 509 | 942 } |
| 943 | |
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944 ngx_memcpy(s.data, addr, s.len); |
| 509 | 945 |
| 1805 | 946 v->len = s.len; |
| 573 | 947 v->valid = 1; |
| 1565 | 948 v->no_cacheable = 0; |
| 573 | 949 v->not_found = 0; |
| 1805 | 950 v->data = s.data; |
| 499 | 951 |
| 573 | 952 return NGX_OK; |
| 499 | 953 } |
| 954 | |
| 955 | |
| 573 | 956 static ngx_int_t |
| 957 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 958 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 959 { |
| 2533 | 960 ngx_uint_t port; |
| 961 struct sockaddr_in *sin; | |
| 962 #if (NGX_HAVE_INET6) | |
| 963 struct sockaddr_in6 *sin6; | |
| 964 #endif | |
| 965 | |
| 966 v->len = 0; | |
| 573 | 967 v->valid = 1; |
| 1565 | 968 v->no_cacheable = 0; |
| 573 | 969 v->not_found = 0; |
| 2533 | 970 |
| 971 if (ngx_http_server_addr(r, NULL) != NGX_OK) { | |
| 972 return NGX_ERROR; | |
| 973 } | |
| 974 | |
| 975 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 976 if (v->data == NULL) { | |
| 977 return NGX_ERROR; | |
| 978 } | |
| 979 | |
| 980 switch (r->connection->local_sockaddr->sa_family) { | |
| 981 | |
| 982 #if (NGX_HAVE_INET6) | |
| 983 case AF_INET6: | |
| 984 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 985 port = ntohs(sin6->sin6_port); | |
| 986 break; | |
| 987 #endif | |
| 988 | |
| 989 default: /* AF_INET */ | |
| 990 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 991 port = ntohs(sin->sin_port); | |
| 992 break; | |
| 993 } | |
| 994 | |
| 995 if (port > 0 && port < 65536) { | |
| 996 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 997 } | |
| 509 | 998 |
| 573 | 999 return NGX_OK; |
| 509 | 1000 } |
| 1001 | |
| 1002 | |
| 573 | 1003 static ngx_int_t |
| 731 | 1004 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1005 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1006 { | |
| 1007 #if (NGX_HTTP_SSL) | |
| 1008 | |
| 1009 if (r->connection->ssl) { | |
| 1010 v->len = sizeof("https") - 1; | |
| 1011 v->valid = 1; | |
| 1565 | 1012 v->no_cacheable = 0; |
| 731 | 1013 v->not_found = 0; |
| 732 | 1014 v->data = (u_char *) "https"; |
| 731 | 1015 |
| 1016 return NGX_OK; | |
| 1017 } | |
| 1018 | |
| 1019 #endif | |
| 1020 | |
| 1021 v->len = sizeof("http") - 1; | |
| 1022 v->valid = 1; | |
| 1565 | 1023 v->no_cacheable = 0; |
| 731 | 1024 v->not_found = 0; |
| 732 | 1025 v->data = (u_char *) "http"; |
| 731 | 1026 |
| 1027 return NGX_OK; | |
| 1028 } | |
| 1029 | |
| 1030 | |
| 1031 static ngx_int_t | |
| 1351 | 1032 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1033 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1034 { | |
| 1035 v->valid = 1; | |
| 1565 | 1036 v->no_cacheable = 0; |
| 1351 | 1037 v->not_found = 0; |
| 1038 | |
| 1039 if (r->args.len == 0) { | |
| 1040 v->len = 0; | |
| 1041 v->data = NULL; | |
| 1042 return NGX_OK; | |
| 1043 } | |
| 1044 | |
| 1045 v->len = 1; | |
| 1046 v->data = (u_char *) "?"; | |
| 1047 | |
| 1048 return NGX_OK; | |
| 1049 } | |
| 1050 | |
| 1051 | |
| 1052 static ngx_int_t | |
| 573 | 1053 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1054 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1055 { |
| 671 | 1056 ngx_str_t path; |
| 573 | 1057 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1058 |
| 1059 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1060 | |
| 671 | 1061 if (clcf->root_lengths == NULL) { |
| 1062 v->len = clcf->root.len; | |
| 1063 v->valid = 1; | |
| 1565 | 1064 v->no_cacheable = 0; |
| 671 | 1065 v->not_found = 0; |
| 1066 v->data = clcf->root.data; | |
| 1067 | |
| 1068 } else { | |
| 1069 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1070 clcf->root_values->elts) | |
| 1071 == NULL) | |
| 1072 { | |
| 1073 return NGX_ERROR; | |
| 1074 } | |
| 1075 | |
|
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1076 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1077 return NGX_ERROR; |
| 1078 } | |
| 1079 | |
| 1080 v->len = path.len; | |
| 1081 v->valid = 1; | |
| 1565 | 1082 v->no_cacheable = 0; |
| 671 | 1083 v->not_found = 0; |
| 1084 v->data = path.data; | |
| 1085 } | |
| 509 | 1086 |
| 573 | 1087 return NGX_OK; |
| 509 | 1088 } |
| 1089 | |
| 1090 | |
| 573 | 1091 static ngx_int_t |
| 2259 | 1092 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1093 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1094 { | |
| 1095 size_t len; | |
| 1096 ngx_str_t path; | |
| 1097 ngx_http_core_loc_conf_t *clcf; | |
| 1098 u_char real[NGX_MAX_PATH]; | |
| 1099 | |
| 1100 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1101 | |
| 1102 if (clcf->root_lengths == NULL) { | |
| 1103 path = clcf->root; | |
| 1104 | |
| 1105 } else { | |
| 1106 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1107 clcf->root_values->elts) | |
| 1108 == NULL) | |
| 1109 { | |
| 1110 return NGX_ERROR; | |
| 1111 } | |
| 1112 | |
| 1113 path.data[path.len - 1] = '\0'; | |
| 1114 | |
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1115 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1116 return NGX_ERROR; |
| 1117 } | |
| 1118 } | |
| 1119 | |
| 1120 if (ngx_realpath(path.data, real) == NULL) { | |
| 1121 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1122 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1123 return NGX_ERROR; | |
| 1124 } | |
| 1125 | |
| 1126 len = ngx_strlen(real); | |
| 1127 | |
| 1128 v->data = ngx_pnalloc(r->pool, len); | |
| 1129 if (v->data == NULL) { | |
| 1130 return NGX_ERROR; | |
| 1131 } | |
| 1132 | |
| 1133 v->len = len; | |
| 1134 v->valid = 1; | |
| 1135 v->no_cacheable = 0; | |
| 1136 v->not_found = 0; | |
| 1137 | |
| 1138 ngx_memcpy(v->data, real, len); | |
| 1139 | |
| 1140 return NGX_OK; | |
| 1141 } | |
| 1142 | |
| 1143 | |
| 1144 static ngx_int_t | |
| 573 | 1145 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1146 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1147 { |
| 773 | 1148 size_t root; |
| 573 | 1149 ngx_str_t path; |
| 499 | 1150 |
| 773 | 1151 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1152 return NGX_ERROR; |
| 557 | 1153 } |
| 509 | 1154 |
| 557 | 1155 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1156 |
| 573 | 1157 v->len = path.len - 1; |
| 1158 v->valid = 1; | |
| 1565 | 1159 v->no_cacheable = 0; |
| 573 | 1160 v->not_found = 0; |
| 1161 v->data = path.data; | |
| 499 | 1162 |
| 573 | 1163 return NGX_OK; |
| 499 | 1164 } |
| 1165 | |
| 1166 | |
| 573 | 1167 static ngx_int_t |
| 1811 | 1168 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1169 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1170 { | |
| 1171 ngx_http_core_srv_conf_t *cscf; | |
| 1172 | |
| 1173 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1174 | |
| 1175 v->len = cscf->server_name.len; | |
| 1176 v->valid = 1; | |
| 1177 v->no_cacheable = 0; | |
| 1178 v->not_found = 0; | |
| 1179 v->data = cscf->server_name.data; | |
| 1180 | |
| 1181 return NGX_OK; | |
| 1182 } | |
| 1183 | |
| 1184 | |
| 1185 static ngx_int_t | |
| 573 | 1186 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1187 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1188 { |
| 647 | 1189 if (r->main->method_name.data) { |
| 1190 v->len = r->main->method_name.len; | |
| 573 | 1191 v->valid = 1; |
| 1565 | 1192 v->no_cacheable = 0; |
| 573 | 1193 v->not_found = 0; |
| 647 | 1194 v->data = r->main->method_name.data; |
| 573 | 1195 |
| 1196 } else { | |
| 1197 v->not_found = 1; | |
| 561 | 1198 } |
| 1199 | |
| 573 | 1200 return NGX_OK; |
| 561 | 1201 } |
| 1202 | |
| 1203 | |
| 573 | 1204 static ngx_int_t |
| 1205 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1206 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1207 { |
| 573 | 1208 ngx_int_t rc; |
| 539 | 1209 |
| 1210 rc = ngx_http_auth_basic_user(r); | |
| 1211 | |
| 1212 if (rc == NGX_DECLINED) { | |
| 573 | 1213 v->not_found = 1; |
| 1214 return NGX_OK; | |
| 539 | 1215 } |
| 1216 | |
| 1217 if (rc == NGX_ERROR) { | |
| 573 | 1218 return NGX_ERROR; |
| 539 | 1219 } |
| 1220 | |
| 573 | 1221 v->len = r->headers_in.user.len; |
| 1222 v->valid = 1; | |
| 1565 | 1223 v->no_cacheable = 0; |
| 573 | 1224 v->not_found = 0; |
| 1225 v->data = r->headers_in.user.data; | |
| 571 | 1226 |
| 573 | 1227 return NGX_OK; |
| 571 | 1228 } |
| 1229 | |
| 1230 | |
| 611 | 1231 static ngx_int_t |
| 1232 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1233 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1234 { | |
| 1235 off_t sent; | |
| 1236 u_char *p; | |
| 1237 | |
| 1238 sent = r->connection->sent - r->header_size; | |
| 1239 | |
| 1240 if (sent < 0) { | |
| 1241 sent = 0; | |
| 1242 } | |
| 1243 | |
| 2049 | 1244 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1245 if (p == NULL) { |
| 1246 return NGX_ERROR; | |
| 1247 } | |
| 1248 | |
| 1249 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1250 v->valid = 1; | |
| 1565 | 1251 v->no_cacheable = 0; |
| 611 | 1252 v->not_found = 0; |
| 1253 v->data = p; | |
| 1254 | |
| 1255 return NGX_OK; | |
| 1256 } | |
| 1257 | |
| 1258 | |
| 629 | 1259 static ngx_int_t |
| 641 | 1260 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1261 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1262 { | |
| 1263 if (r->headers_out.content_type.len) { | |
| 1264 v->len = r->headers_out.content_type.len; | |
| 1265 v->valid = 1; | |
| 1565 | 1266 v->no_cacheable = 0; |
| 641 | 1267 v->not_found = 0; |
| 1268 v->data = r->headers_out.content_type.data; | |
| 1269 | |
| 1270 } else { | |
| 1271 v->not_found = 1; | |
| 1272 } | |
| 1273 | |
| 1274 return NGX_OK; | |
| 1275 } | |
| 1276 | |
| 1277 | |
| 1278 static ngx_int_t | |
| 1279 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1280 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1281 { | |
| 1282 u_char *p; | |
| 1283 | |
| 1284 if (r->headers_out.content_length) { | |
| 1285 v->len = r->headers_out.content_length->value.len; | |
| 1286 v->valid = 1; | |
| 1565 | 1287 v->no_cacheable = 0; |
| 641 | 1288 v->not_found = 0; |
| 1289 v->data = r->headers_out.content_length->value.data; | |
| 1290 | |
| 1291 return NGX_OK; | |
| 1292 } | |
| 1293 | |
| 1294 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1295 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1296 if (p == NULL) { |
| 1297 return NGX_ERROR; | |
| 1298 } | |
| 1299 | |
| 1300 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1301 v->valid = 1; | |
| 1565 | 1302 v->no_cacheable = 0; |
| 641 | 1303 v->not_found = 0; |
| 1304 v->data = p; | |
| 1305 | |
| 1306 return NGX_OK; | |
| 1307 } | |
| 1308 | |
| 1309 v->not_found = 1; | |
| 1310 | |
| 1311 return NGX_OK; | |
| 1312 } | |
| 1313 | |
| 1314 | |
| 1315 static ngx_int_t | |
|
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1316 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1317 ngx_http_variable_value_t *v, uintptr_t data) |
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1318 { |
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1319 if (r->headers_out.location) { |
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1320 v->len = r->headers_out.location->value.len; |
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1321 v->valid = 1; |
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1322 v->no_cacheable = 0; |
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1323 v->not_found = 0; |
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1324 v->data = r->headers_out.location->value.data; |
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1325 |
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1326 return NGX_OK; |
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1327 } |
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1328 |
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1329 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
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1330 &r->headers_out.headers.part, |
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1331 sizeof("sent_http_") - 1); |
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1332 } |
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1333 |
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1334 |
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1335 static ngx_int_t |
| 641 | 1336 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1337 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1338 { | |
| 1339 u_char *p; | |
| 1340 | |
| 1341 if (r->headers_out.last_modified) { | |
| 1342 v->len = r->headers_out.last_modified->value.len; | |
| 1343 v->valid = 1; | |
| 1565 | 1344 v->no_cacheable = 0; |
| 641 | 1345 v->not_found = 0; |
| 1346 v->data = r->headers_out.last_modified->value.data; | |
| 1347 | |
| 1348 return NGX_OK; | |
| 1349 } | |
| 1350 | |
| 1351 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1352 p = ngx_pnalloc(r->pool, |
| 641 | 1353 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1354 if (p == NULL) { | |
| 1355 return NGX_ERROR; | |
| 1356 } | |
| 1357 | |
| 1358 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1359 v->valid = 1; | |
| 1565 | 1360 v->no_cacheable = 0; |
| 641 | 1361 v->not_found = 0; |
| 1362 v->data = p; | |
| 1363 | |
| 1364 return NGX_OK; | |
| 1365 } | |
| 1366 | |
| 1367 v->not_found = 1; | |
| 1368 | |
| 1369 return NGX_OK; | |
| 1370 } | |
| 1371 | |
| 1372 | |
| 1373 static ngx_int_t | |
| 1374 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1375 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1376 { | |
| 1377 size_t len; | |
| 1378 char *p; | |
| 1379 | |
| 1380 if (r->keepalive) { | |
| 1381 len = sizeof("keep-alive") - 1; | |
| 1382 p = "keep-alive"; | |
| 1383 | |
| 1384 } else { | |
| 1385 len = sizeof("close") - 1; | |
| 1386 p = "close"; | |
| 1387 } | |
| 1388 | |
| 1389 v->len = len; | |
| 1390 v->valid = 1; | |
| 1565 | 1391 v->no_cacheable = 0; |
| 641 | 1392 v->not_found = 0; |
| 1393 v->data = (u_char *) p; | |
| 1394 | |
| 1395 return NGX_OK; | |
| 1396 } | |
| 1397 | |
| 1398 | |
| 1399 static ngx_int_t | |
| 1400 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1401 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1402 { | |
| 1403 u_char *p; | |
| 1404 ngx_http_core_loc_conf_t *clcf; | |
| 1405 | |
| 1406 if (r->keepalive) { | |
| 1407 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1408 | |
| 1409 if (clcf->keepalive_header) { | |
| 1410 | |
| 2049 | 1411 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1412 if (p == NULL) { |
| 1413 return NGX_ERROR; | |
| 1414 } | |
| 1415 | |
| 1416 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1417 v->valid = 1; | |
| 1565 | 1418 v->no_cacheable = 0; |
| 641 | 1419 v->not_found = 0; |
| 1420 v->data = p; | |
| 1421 | |
| 1422 return NGX_OK; | |
| 1423 } | |
| 1424 } | |
| 1425 | |
| 1426 v->not_found = 1; | |
| 1427 | |
| 1428 return NGX_OK; | |
| 1429 } | |
| 1430 | |
| 1431 | |
| 1432 static ngx_int_t | |
| 1433 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1434 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1435 { | |
| 1436 if (r->chunked) { | |
| 1437 v->len = sizeof("chunked") - 1; | |
| 1438 v->valid = 1; | |
| 1565 | 1439 v->no_cacheable = 0; |
| 641 | 1440 v->not_found = 0; |
| 1441 v->data = (u_char *) "chunked"; | |
| 1442 | |
| 1443 } else { | |
| 1444 v->not_found = 1; | |
| 1445 } | |
| 1446 | |
| 1447 return NGX_OK; | |
| 1448 } | |
| 1449 | |
| 1450 | |
| 1451 static ngx_int_t | |
| 629 | 1452 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1453 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1454 { | |
| 1455 if (r->request_complete) { | |
| 1456 v->len = 2; | |
| 1457 v->valid = 1; | |
| 1565 | 1458 v->no_cacheable = 0; |
| 629 | 1459 v->not_found = 0; |
| 1460 v->data = (u_char *) "OK"; | |
| 1461 | |
| 1462 return NGX_OK; | |
| 1463 } | |
| 1464 | |
| 1465 v->len = 0; | |
| 1466 v->valid = 1; | |
| 1565 | 1467 v->no_cacheable = 0; |
| 629 | 1468 v->not_found = 0; |
| 1469 v->data = (u_char *) ""; | |
| 1470 | |
| 1471 return NGX_OK; | |
| 1472 } | |
| 1473 | |
| 1474 | |
| 759 | 1475 static ngx_int_t |
| 1476 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1477 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1478 { | |
| 1479 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1480 v->not_found = 1; |
| 759 | 1481 |
| 1482 return NGX_OK; | |
| 1483 } | |
| 1484 | |
| 1485 v->len = r->request_body->temp_file->file.name.len; | |
| 1486 v->valid = 1; | |
| 1565 | 1487 v->no_cacheable = 0; |
| 759 | 1488 v->not_found = 0; |
| 1489 v->data = r->request_body->temp_file->file.name.data; | |
| 1490 | |
| 1491 return NGX_OK; | |
| 1492 } | |
| 1493 | |
| 1494 | |
| 1329 | 1495 static ngx_int_t |
| 1496 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1497 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1498 { | |
| 1499 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1500 v->valid = 1; | |
| 1565 | 1501 v->no_cacheable = 0; |
| 1329 | 1502 v->not_found = 0; |
| 1503 v->data = (u_char *) NGINX_VERSION; | |
| 1504 | |
| 1505 return NGX_OK; | |
| 1506 } | |
| 1507 | |
| 1508 | |
| 2011 | 1509 static ngx_int_t |
| 1510 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1511 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1512 { | |
| 1513 v->len = ngx_cycle->hostname.len; | |
| 1514 v->valid = 1; | |
| 1515 v->no_cacheable = 0; | |
| 1516 v->not_found = 0; | |
| 1517 v->data = ngx_cycle->hostname.data; | |
| 1518 | |
| 1519 return NGX_OK; | |
| 1520 } | |
| 1521 | |
| 1522 | |
| 2249 | 1523 static ngx_int_t |
| 1524 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1525 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1526 { | |
| 1527 u_char *p; | |
| 1528 | |
| 1529 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1530 if (p == NULL) { | |
| 1531 return NGX_ERROR; | |
| 1532 } | |
| 1533 | |
| 1534 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1535 v->valid = 1; | |
| 1536 v->no_cacheable = 0; | |
| 1537 v->not_found = 0; | |
| 1538 v->data = p; | |
| 1539 | |
| 1540 return NGX_OK; | |
| 1541 } | |
| 1542 | |
| 1543 | |
| 499 | 1544 ngx_int_t |
| 509 | 1545 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1546 { |
| 611 | 1547 ngx_int_t rc; |
| 1548 ngx_http_variable_t *v; | |
| 501 | 1549 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1550 |
| 509 | 1551 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1552 | |
| 611 | 1553 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1554 sizeof(ngx_hash_keys_arrays_t)); | |
| 1555 if (cmcf->variables_keys == NULL) { | |
| 1556 return NGX_ERROR; | |
| 1557 } | |
| 1558 | |
| 1559 cmcf->variables_keys->pool = cf->pool; | |
| 1560 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1561 | |
| 1562 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1563 != NGX_OK) | |
| 509 | 1564 { |
| 499 | 1565 return NGX_ERROR; |
| 1566 } | |
| 1567 | |
| 611 | 1568 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1569 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1570 NGX_HASH_READONLY_KEY); | |
| 1571 | |
| 1572 if (rc == NGX_OK) { | |
| 1573 continue; | |
| 499 | 1574 } |
| 1575 | |
| 611 | 1576 if (rc == NGX_BUSY) { |
| 1577 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1578 "conflicting variable name \"%V\"", &v->name); | |
| 1579 } | |
| 1580 | |
| 1581 return NGX_ERROR; | |
| 499 | 1582 } |
| 1583 | |
| 1584 return NGX_OK; | |
| 1585 } | |
| 509 | 1586 |
| 1587 | |
| 1588 ngx_int_t | |
| 1589 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1590 { | |
| 1591 ngx_uint_t i, n; | |
| 611 | 1592 ngx_hash_key_t *key; |
| 1593 ngx_hash_init_t hash; | |
| 509 | 1594 ngx_http_variable_t *v, *av; |
| 1595 ngx_http_core_main_conf_t *cmcf; | |
| 1596 | |
| 1597 /* set the handlers for the indexed http variables */ | |
| 1598 | |
| 1599 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1600 | |
| 1601 v = cmcf->variables.elts; | |
| 611 | 1602 key = cmcf->variables_keys->keys.elts; |
| 509 | 1603 |
| 1604 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1605 | |
| 611 | 1606 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1607 |
|
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1608 av = key[n].value; |
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1609 |
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1610 if (av->get_handler |
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1611 && v[i].name.len == key[n].key.len |
| 611 | 1612 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1613 == 0) |
| 1614 { | |
| 637 | 1615 v[i].get_handler = av->get_handler; |
| 611 | 1616 v[i].data = av->data; |
| 527 | 1617 |
| 611 | 1618 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1619 v[i].flags = av->flags; | |
| 509 | 1620 |
| 611 | 1621 av->index = i; |
| 533 | 1622 |
| 509 | 1623 goto next; |
| 1624 } | |
| 1625 } | |
| 1626 | |
| 1627 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1628 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1629 v[i].data = (uintptr_t) &v[i].name; |
| 1630 | |
| 1631 continue; | |
| 1632 } | |
| 1633 | |
| 1634 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1635 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1636 v[i].data = (uintptr_t) &v[i].name; |
| 1637 | |
| 1638 continue; | |
| 1639 } | |
| 1640 | |
| 1162 | 1641 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1642 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1643 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1644 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1645 |
| 1646 continue; | |
| 1647 } | |
| 1648 | |
| 2307 | 1649 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1650 v[i].get_handler = ngx_http_variable_cookie; | |
| 1651 v[i].data = (uintptr_t) &v[i].name; | |
| 1652 | |
| 1653 continue; | |
| 1654 } | |
| 1655 | |
| 2137 | 1656 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1657 v[i].get_handler = ngx_http_variable_argument; | |
| 1658 v[i].data = (uintptr_t) &v[i].name; | |
| 1659 | |
| 1660 continue; | |
| 1661 } | |
| 1662 | |
| 509 | 1663 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1664 "unknown \"%V\" variable", &v[i].name); | |
| 1665 | |
| 1666 return NGX_ERROR; | |
| 1667 | |
| 1668 next: | |
| 1669 continue; | |
| 1670 } | |
| 1671 | |
| 1672 | |
| 611 | 1673 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1674 av = key[n].value; | |
| 1675 | |
| 1676 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1677 key[n].key.data = NULL; | |
| 583 | 1678 } |
| 1679 } | |
| 1680 | |
| 1681 | |
| 611 | 1682 hash.hash = &cmcf->variables_hash; |
| 1683 hash.key = ngx_hash_key; | |
| 1684 hash.max_size = cmcf->variables_hash_max_size; | |
| 1685 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1686 hash.name = "variables_hash"; | |
| 1687 hash.pool = cf->pool; | |
| 1688 hash.temp_pool = NULL; | |
| 509 | 1689 |
| 611 | 1690 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1691 cmcf->variables_keys->keys.nelts) | |
| 581 | 1692 != NGX_OK) |
| 509 | 1693 { |
| 1694 return NGX_ERROR; | |
| 1695 } | |
| 1696 | |
| 611 | 1697 cmcf->variables_keys = NULL; |
| 509 | 1698 |
| 1699 return NGX_OK; | |
| 1700 } | |
|
2333
f267d23868fc
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diff
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|
1701 |
|
f267d23868fc
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diff
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|
1702 |
|
f267d23868fc
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|
1703 void |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1704 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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parents:
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diff
changeset
|
1705 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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parents:
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diff
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|
1706 { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1707 ngx_rbtree_node_t **p; |
|
f267d23868fc
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parents:
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diff
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|
1708 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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parents:
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diff
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|
1709 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1710 for ( ;; ) { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1711 |
|
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
1712 vvn = (ngx_http_variable_value_node_t *) node; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1713 vvt = (ngx_http_variable_value_node_t *) temp; |
|
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|
1714 |
|
f267d23868fc
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|
1715 if (node->key != temp->key) { |
|
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parents:
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diff
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|
1716 |
|
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|
1717 p = (node->key < temp->key) ? &temp->left : &temp->right; |
|
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|
1718 |
|
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|
1719 } else if (vvn->len != vvt->len) { |
|
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|
1720 |
|
f267d23868fc
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|
1721 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
|
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diff
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|
1722 |
|
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diff
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|
1723 } else { |
|
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
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|
1724 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
|
f267d23868fc
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parents:
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diff
changeset
|
1725 ? &temp->left : &temp->right; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1726 } |
|
f267d23868fc
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parents:
2307
diff
changeset
|
1727 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1728 if (*p == sentinel) { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1729 break; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1730 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1731 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1732 temp = *p; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1733 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1734 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1735 *p = node; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1736 node->parent = temp; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1737 node->left = sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1738 node->right = sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1739 ngx_rbt_red(node); |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1740 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1741 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1742 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1743 ngx_http_variable_value_t * |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1744 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1745 uint32_t hash) |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1746 { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1747 ngx_int_t rc; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1748 ngx_rbtree_node_t *node, *sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1749 ngx_http_variable_value_node_t *vvn; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1750 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1751 node = rbtree->root; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1752 sentinel = rbtree->sentinel; |
|
f267d23868fc
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diff
changeset
|
1753 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1754 while (node != sentinel) { |
|
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|
1755 |
|
f267d23868fc
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diff
changeset
|
1756 vvn = (ngx_http_variable_value_node_t *) node; |
|
f267d23868fc
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diff
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|
1757 |
|
f267d23868fc
variable value rbtree support
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diff
changeset
|
1758 if (hash != node->key) { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1759 node = (hash < node->key) ? node->left : node->right; |
|
f267d23868fc
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parents:
2307
diff
changeset
|
1760 continue; |
|
f267d23868fc
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parents:
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diff
changeset
|
1761 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1762 |
|
f267d23868fc
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diff
changeset
|
1763 if (val->len != vvn->len) { |
|
f267d23868fc
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diff
changeset
|
1764 node = (val->len < vvn->len) ? node->left : node->right; |
|
f267d23868fc
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parents:
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diff
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|
1765 continue; |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1766 } |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1767 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1768 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
|
f267d23868fc
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changeset
|
1769 |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1770 if (rc < 0) { |
|
f267d23868fc
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changeset
|
1771 node = node->left; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1772 continue; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1773 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1774 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1775 if (rc > 0) { |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1776 node = node->right; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1777 continue; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1778 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1779 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1780 return vvn->value; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1781 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1782 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1783 return NULL; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1784 } |