Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 3268:c6a40c815d45
use sin6_addr.s6_addr instead of "(u_char *) & .sin6_addr"
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 02 Nov 2009 14:32:46 +0000 |
| parents | ecbfc3396c42 |
| children | c76b7a7959d5 |
| 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_request_line(ngx_http_request_t *r, |
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29 ngx_http_variable_value_t *v, uintptr_t data); |
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30 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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31 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 32 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 33 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 34 |
| 573 | 35 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 36 ngx_http_variable_value_t *v, uintptr_t data); | |
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37 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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38 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 39 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 45 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 47 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 49 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 51 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 53 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 55 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 57 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 59 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 61 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 63 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 65 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2844 | 67 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 69 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 70 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 71 |
| 641 | 72 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
| 74 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
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76 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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77 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 78 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 85 ngx_http_variable_value_t *v, uintptr_t data); | |
| 86 | |
| 1329 | 87 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 89 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 90 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 91 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 92 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 93 |
| 509 | 94 /* |
| 95 * TODO: | |
| 96 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 97 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 98 * SERVER_SOFTWARE | |
| 99 * | |
| 571 | 100 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 101 */ |
| 499 | 102 |
| 641 | 103 /* |
| 104 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 105 * and $http_x_forwarded_for variables may be handled by generic | |
| 106 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 107 * they are handled using dedicated entries | |
| 108 */ | |
| 109 | |
| 509 | 110 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 111 | |
| 637 | 112 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 113 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 114 |
| 637 | 115 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 116 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 117 |
| 637 | 118 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 120 |
| 121 #if (NGX_HTTP_GZIP) | |
| 637 | 122 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 123 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 124 #endif |
| 125 | |
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126 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 127 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 128 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 129 #endif |
| 130 | |
| 637 | 131 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 132 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 133 |
| 637 | 134 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 135 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 136 |
| 637 | 137 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 138 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 139 |
| 637 | 140 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 141 |
| 982 | 142 { ngx_string("binary_remote_addr"), NULL, |
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143 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 144 |
| 637 | 145 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 146 |
| 637 | 147 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 148 |
| 637 | 149 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 150 |
| 637 | 151 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 152 |
| 637 | 153 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 154 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 155 |
| 731 | 156 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 157 | |
| 637 | 158 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 159 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 160 |
| 637 | 161 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 162 offsetof(ngx_http_request_t, uri), | |
| 1565 | 163 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 164 |
| 165 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 166 offsetof(ngx_http_request_t, uri), |
| 1565 | 167 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 168 |
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169 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
| 569 | 170 |
| 637 | 171 { ngx_string("document_root"), NULL, |
| 1565 | 172 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 173 |
| 2259 | 174 { ngx_string("realpath_root"), NULL, |
| 175 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 176 | |
| 637 | 177 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 178 offsetof(ngx_http_request_t, args), |
| 1565 | 179 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 180 |
| 1350 | 181 { ngx_string("args"), |
| 182 ngx_http_variable_request_set, | |
| 183 ngx_http_variable_request, | |
| 589 | 184 offsetof(ngx_http_request_t, args), |
| 1565 | 185 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 186 |
| 1351 | 187 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 188 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 189 |
| 637 | 190 { ngx_string("request_filename"), NULL, |
| 191 ngx_http_variable_request_filename, 0, | |
| 1565 | 192 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 193 |
| 1811 | 194 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 195 |
| 637 | 196 { ngx_string("request_method"), NULL, |
| 197 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 198 |
| 637 | 199 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 200 |
| 637 | 201 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 202 0, 0, 0 }, |
| 203 | |
| 637 | 204 { ngx_string("request_completion"), NULL, |
| 205 ngx_http_variable_request_completion, | |
| 629 | 206 0, 0, 0 }, |
| 207 | |
| 2844 | 208 { ngx_string("request_body"), NULL, |
| 209 ngx_http_variable_request_body, | |
| 210 0, 0, 0 }, | |
| 211 | |
| 759 | 212 { ngx_string("request_body_file"), NULL, |
| 213 ngx_http_variable_request_body_file, | |
| 214 0, 0, 0 }, | |
| 215 | |
| 641 | 216 { ngx_string("sent_http_content_type"), NULL, |
| 217 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 218 | |
| 219 { ngx_string("sent_http_content_length"), NULL, | |
| 220 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 221 | |
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222 { ngx_string("sent_http_location"), NULL, |
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223 ngx_http_variable_sent_location, 0, 0, 0 }, |
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224 |
| 641 | 225 { ngx_string("sent_http_last_modified"), NULL, |
| 226 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 227 | |
| 228 { ngx_string("sent_http_connection"), NULL, | |
| 229 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 230 | |
| 231 { ngx_string("sent_http_keep_alive"), NULL, | |
| 232 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 233 | |
| 234 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 235 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 236 | |
| 237 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 238 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 239 | |
| 637 | 240 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 241 ngx_http_variable_request, | |
| 242 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 243 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 244 |
| 1329 | 245 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 246 0, 0, 0 }, | |
| 247 | |
| 2011 | 248 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 249 0, 0, 0 }, | |
| 250 | |
| 2249 | 251 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 252 0, 0, 0 }, | |
| 253 | |
| 637 | 254 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 255 }; |
| 256 | |
| 257 | |
| 577 | 258 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 259 ngx_http_variable(""); | |
| 260 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 261 ngx_http_variable("1"); | |
| 262 | |
| 263 | |
| 499 | 264 ngx_http_variable_t * |
| 509 | 265 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 266 { | |
| 611 | 267 ngx_int_t rc; |
| 509 | 268 ngx_uint_t i; |
| 611 | 269 ngx_hash_key_t *key; |
| 509 | 270 ngx_http_variable_t *v; |
| 271 ngx_http_core_main_conf_t *cmcf; | |
| 272 | |
| 273 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 274 | |
| 611 | 275 key = cmcf->variables_keys->keys.elts; |
| 276 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 277 if (name->len != key[i].key.len | |
| 278 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 279 { |
| 280 continue; | |
| 281 } | |
| 282 | |
| 611 | 283 v = key[i].value; |
| 284 | |
| 1565 | 285 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 286 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 287 "the duplicate \"%V\" variable", name); | |
| 288 return NULL; | |
| 289 } | |
| 290 | |
| 611 | 291 return v; |
| 509 | 292 } |
| 293 | |
| 611 | 294 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 295 if (v == NULL) { |
| 296 return NULL; | |
| 297 } | |
| 298 | |
| 299 v->name.len = name->len; | |
| 2049 | 300 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 301 if (v->name.data == NULL) { |
| 302 return NULL; | |
| 303 } | |
| 304 | |
| 2135 | 305 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 306 |
| 637 | 307 v->set_handler = NULL; |
| 308 v->get_handler = NULL; | |
| 509 | 309 v->data = 0; |
| 310 v->flags = flags; | |
| 533 | 311 v->index = 0; |
| 509 | 312 |
| 611 | 313 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 314 | |
| 315 if (rc == NGX_ERROR) { | |
| 316 return NULL; | |
| 317 } | |
| 318 | |
| 319 if (rc == NGX_BUSY) { | |
| 320 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 321 "conflicting variable name \"%V\"", name); | |
| 322 return NULL; | |
| 323 } | |
| 324 | |
| 509 | 325 return v; |
| 326 } | |
| 327 | |
| 328 | |
| 329 ngx_int_t | |
| 330 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 331 { |
| 501 | 332 ngx_uint_t i; |
| 333 ngx_http_variable_t *v; | |
| 499 | 334 ngx_http_core_main_conf_t *cmcf; |
| 335 | |
| 336 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 337 | |
| 501 | 338 v = cmcf->variables.elts; |
| 339 | |
| 340 if (v == NULL) { | |
| 499 | 341 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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342 sizeof(ngx_http_variable_t)) |
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343 != NGX_OK) |
| 499 | 344 { |
| 509 | 345 return NGX_ERROR; |
| 499 | 346 } |
| 501 | 347 |
| 348 } else { | |
| 349 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 350 if (name->len != v[i].name.len | |
| 351 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 352 { | |
| 353 continue; | |
| 354 } | |
| 355 | |
| 509 | 356 return i; |
| 501 | 357 } |
| 499 | 358 } |
| 359 | |
| 501 | 360 v = ngx_array_push(&cmcf->variables); |
| 361 if (v == NULL) { | |
| 509 | 362 return NGX_ERROR; |
| 499 | 363 } |
| 364 | |
| 501 | 365 v->name.len = name->len; |
| 2049 | 366 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 367 if (v->name.data == NULL) { |
| 509 | 368 return NGX_ERROR; |
| 501 | 369 } |
| 499 | 370 |
| 2135 | 371 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 372 |
| 637 | 373 v->set_handler = NULL; |
| 374 v->get_handler = NULL; | |
| 501 | 375 v->data = 0; |
| 509 | 376 v->flags = 0; |
| 533 | 377 v->index = cmcf->variables.nelts - 1; |
| 501 | 378 |
| 509 | 379 return cmcf->variables.nelts - 1; |
| 499 | 380 } |
| 381 | |
| 382 | |
| 383 ngx_http_variable_value_t * | |
| 384 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 385 { | |
| 501 | 386 ngx_http_variable_t *v; |
| 499 | 387 ngx_http_core_main_conf_t *cmcf; |
| 388 | |
| 389 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 390 | |
| 553 | 391 if (cmcf->variables.nelts <= index) { |
| 499 | 392 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 393 "unknown variable index: %d", index); | |
| 394 return NULL; | |
| 395 } | |
| 396 | |
| 573 | 397 if (r->variables[index].not_found || r->variables[index].valid) { |
| 398 return &r->variables[index]; | |
| 501 | 399 } |
| 499 | 400 |
| 501 | 401 v = cmcf->variables.elts; |
| 499 | 402 |
| 637 | 403 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 404 == NGX_OK) | |
| 405 { | |
| 1565 | 406 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 407 r->variables[index].no_cacheable = 1; | |
| 499 | 408 } |
| 573 | 409 |
| 410 return &r->variables[index]; | |
| 499 | 411 } |
| 412 | |
| 657 | 413 r->variables[index].valid = 0; |
| 414 r->variables[index].not_found = 1; | |
| 415 | |
| 798 | 416 return NULL; |
| 573 | 417 } |
| 418 | |
| 419 | |
| 420 ngx_http_variable_value_t * | |
| 421 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 422 { | |
| 1150 | 423 ngx_http_variable_value_t *v; |
| 573 | 424 |
| 425 v = &r->variables[index]; | |
| 426 | |
| 427 if (v->valid) { | |
| 1565 | 428 if (!v->no_cacheable) { |
| 573 | 429 return v; |
| 430 } | |
| 431 | |
| 432 v->valid = 0; | |
| 433 v->not_found = 0; | |
| 509 | 434 } |
| 501 | 435 |
| 573 | 436 return ngx_http_get_indexed_variable(r, index); |
| 499 | 437 } |
| 438 | |
| 439 | |
| 440 ngx_http_variable_value_t * | |
| 635 | 441 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 442 ngx_uint_t nowarn) | |
| 499 | 443 { |
| 501 | 444 ngx_http_variable_t *v; |
| 573 | 445 ngx_http_variable_value_t *vv; |
| 499 | 446 ngx_http_core_main_conf_t *cmcf; |
| 447 | |
| 448 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 449 | |
| 611 | 450 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 451 |
| 611 | 452 if (v) { |
| 453 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 454 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 455 |
| 456 } else { | |
| 499 | 457 |
| 573 | 458 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 459 |
| 637 | 460 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 461 return vv; |
| 462 } | |
| 509 | 463 |
| 573 | 464 return NULL; |
| 465 } | |
| 509 | 466 } |
| 467 | |
| 468 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 469 if (vv == NULL) { | |
| 470 return NULL; | |
| 471 } | |
| 472 | |
| 573 | 473 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 474 |
| 577 | 475 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 476 == NGX_OK) | |
| 477 { | |
| 478 return vv; | |
| 479 } | |
| 480 | |
| 481 return NULL; | |
| 482 } | |
| 483 | |
| 484 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 485 | |
| 486 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 487 == NGX_OK) | |
| 573 | 488 { |
| 489 return vv; | |
| 490 } | |
| 499 | 491 |
| 492 return NULL; | |
| 493 } | |
| 494 | |
| 1162 | 495 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 496 | |
| 497 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 498 == NGX_OK) | |
| 499 { | |
| 500 return vv; | |
| 501 } | |
| 502 | |
| 503 return NULL; | |
| 504 } | |
| 505 | |
| 2307 | 506 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 507 | |
|
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508 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 509 return vv; |
| 510 } | |
| 511 | |
| 512 return NULL; | |
| 513 } | |
| 514 | |
| 2137 | 515 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 516 | |
| 517 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 518 return vv; | |
| 519 } | |
| 520 | |
| 521 return NULL; | |
| 522 } | |
| 523 | |
| 635 | 524 vv->not_found = 1; |
| 573 | 525 |
| 635 | 526 if (nowarn == 0) { |
| 527 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 528 "unknown \"%V\" variable", name); | |
| 529 } | |
| 499 | 530 |
| 501 | 531 return vv; |
| 499 | 532 } |
| 533 | |
| 534 | |
| 573 | 535 static ngx_int_t |
| 536 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 537 uintptr_t data) | |
| 538 { | |
| 539 ngx_str_t *s; | |
| 540 | |
| 541 s = (ngx_str_t *) ((char *) r + data); | |
| 542 | |
| 543 if (s->data) { | |
| 544 v->len = s->len; | |
| 545 v->valid = 1; | |
| 1565 | 546 v->no_cacheable = 0; |
| 573 | 547 v->not_found = 0; |
| 548 v->data = s->data; | |
| 549 | |
| 550 } else { | |
| 551 v->not_found = 1; | |
| 552 } | |
| 553 | |
| 554 return NGX_OK; | |
| 555 } | |
| 556 | |
| 557 | |
| 637 | 558 static void |
| 1350 | 559 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 560 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 { | |
| 562 ngx_str_t *s; | |
| 563 | |
| 564 s = (ngx_str_t *) ((char *) r + data); | |
| 565 | |
| 566 s->len = v->len; | |
| 567 s->data = v->data; | |
| 568 } | |
| 569 | |
| 570 | |
| 571 static void | |
| 637 | 572 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 573 ngx_http_variable_value_t *v, uintptr_t data) | |
| 574 { | |
| 575 ssize_t s, *sp; | |
| 576 ngx_str_t val; | |
| 577 | |
|
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578 val.len = v->len; |
| 637 | 579 val.data = v->data; |
| 580 | |
| 581 s = ngx_parse_size(&val); | |
| 582 | |
| 583 if (s == NGX_ERROR) { | |
| 584 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 585 "invalid size \"%V\"", &val); | |
| 586 return; | |
| 587 } | |
| 588 | |
| 589 sp = (ssize_t *) ((char *) r + data); | |
| 590 | |
| 591 *sp = s; | |
| 592 | |
| 593 return; | |
| 594 } | |
| 595 | |
| 596 | |
| 573 | 597 static ngx_int_t |
| 598 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 599 uintptr_t data) | |
| 515 | 600 { |
| 573 | 601 ngx_table_elt_t *h; |
| 602 | |
| 603 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 604 | |
| 605 if (h) { | |
| 606 v->len = h->value.len; | |
| 607 v->valid = 1; | |
| 1565 | 608 v->no_cacheable = 0; |
| 573 | 609 v->not_found = 0; |
| 610 v->data = h->value.data; | |
| 611 | |
| 612 } else { | |
| 613 v->not_found = 1; | |
| 614 } | |
| 615 | |
| 616 return NGX_OK; | |
| 617 } | |
| 618 | |
| 619 | |
| 620 static ngx_int_t | |
| 621 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 622 uintptr_t data) | |
| 623 { | |
| 667 | 624 ssize_t len; |
| 573 | 625 u_char *p; |
| 667 | 626 ngx_uint_t i, n; |
| 573 | 627 ngx_array_t *a; |
| 628 ngx_table_elt_t **h; | |
| 515 | 629 |
| 630 a = (ngx_array_t *) ((char *) r + data); | |
| 631 | |
| 667 | 632 n = a->nelts; |
| 633 | |
| 634 if (n == 0) { | |
| 573 | 635 v->not_found = 1; |
| 636 return NGX_OK; | |
| 515 | 637 } |
| 638 | |
| 573 | 639 v->valid = 1; |
| 1565 | 640 v->no_cacheable = 0; |
| 573 | 641 v->not_found = 0; |
| 515 | 642 |
| 643 h = a->elts; | |
| 644 | |
| 667 | 645 if (n == 1) { |
| 573 | 646 v->len = (*h)->value.len; |
| 647 v->data = (*h)->value.data; | |
| 515 | 648 |
| 573 | 649 return NGX_OK; |
| 515 | 650 } |
| 651 | |
| 667 | 652 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 653 |
| 667 | 654 for (i = 0; i < n; i++) { |
| 573 | 655 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 656 } |
| 657 | |
| 2049 | 658 p = ngx_pnalloc(r->pool, len); |
| 573 | 659 if (p == NULL) { |
| 660 return NGX_ERROR; | |
| 661 } | |
| 662 | |
| 663 v->len = len; | |
| 664 v->data = p; | |
| 515 | 665 |
| 666 for (i = 0; /* void */ ; i++) { | |
| 573 | 667 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 668 |
| 667 | 669 if (i == n - 1) { |
| 515 | 670 break; |
| 671 } | |
| 672 | |
| 673 *p++ = ';'; *p++ = ' '; | |
| 674 } | |
| 675 | |
| 573 | 676 return NGX_OK; |
| 515 | 677 } |
| 678 | |
| 679 | |
| 573 | 680 static ngx_int_t |
| 577 | 681 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 682 ngx_http_variable_value_t *v, uintptr_t data) | |
| 683 { | |
| 684 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 685 &r->headers_in.headers.part, | |
| 686 sizeof("http_") - 1); | |
| 687 } | |
| 688 | |
| 689 | |
| 690 static ngx_int_t | |
| 691 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 692 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 693 { |
| 577 | 694 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 695 &r->headers_out.headers.part, | |
| 696 sizeof("sent_http_") - 1); | |
| 697 } | |
| 501 | 698 |
| 577 | 699 |
| 1162 | 700 ngx_int_t |
| 577 | 701 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 702 ngx_list_part_t *part, size_t prefix) | |
| 703 { | |
| 573 | 704 u_char ch; |
| 705 ngx_uint_t i, n; | |
| 706 ngx_table_elt_t *header; | |
| 499 | 707 |
| 708 header = part->elts; | |
| 709 | |
| 710 for (i = 0; /* void */ ; i++) { | |
| 711 | |
| 712 if (i >= part->nelts) { | |
| 713 if (part->next == NULL) { | |
| 714 break; | |
| 715 } | |
| 716 | |
| 717 part = part->next; | |
| 718 header = part->elts; | |
| 719 i = 0; | |
| 720 } | |
| 721 | |
| 577 | 722 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 723 ch = header[i].key.data[n]; |
| 724 | |
| 509 | 725 if (ch >= 'A' && ch <= 'Z') { |
| 726 ch |= 0x20; | |
| 499 | 727 |
| 728 } else if (ch == '-') { | |
| 729 ch = '_'; | |
| 730 } | |
| 731 | |
| 577 | 732 if (var->data[n + prefix] != ch) { |
| 499 | 733 break; |
| 734 } | |
| 735 } | |
| 736 | |
|
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diff
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|
737 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 738 v->len = header[i].value.len; |
| 739 v->valid = 1; | |
| 1565 | 740 v->no_cacheable = 0; |
| 573 | 741 v->not_found = 0; |
| 742 v->data = header[i].value.data; | |
| 499 | 743 |
| 573 | 744 return NGX_OK; |
| 499 | 745 } |
| 746 } | |
| 747 | |
| 573 | 748 v->not_found = 1; |
| 749 | |
| 750 return NGX_OK; | |
| 509 | 751 } |
| 752 | |
| 753 | |
| 573 | 754 static ngx_int_t |
|
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755 ngx_http_variable_request_line(ngx_http_request_t *r, |
|
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756 ngx_http_variable_value_t *v, uintptr_t data) |
|
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757 { |
|
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758 u_char *p, *s; |
|
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|
759 |
|
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|
760 s = r->request_line.data; |
|
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|
761 |
|
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762 if (s == NULL) { |
|
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|
763 s = r->request_start; |
|
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|
764 |
|
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765 if (s == NULL) { |
|
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|
766 v->not_found = 1; |
|
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767 return NGX_OK; |
|
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768 } |
|
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|
769 |
|
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770 for (p = s; p < r->header_in->last; p++) { |
|
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771 if (*p == CR || *p == LF) { |
|
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|
772 break; |
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773 } |
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774 } |
|
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|
775 |
|
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776 r->request_line.len = p - s; |
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777 r->request_line.data = s; |
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778 } |
|
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|
779 |
|
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780 v->len = r->request_line.len; |
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781 v->valid = 1; |
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782 v->no_cacheable = 0; |
|
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783 v->not_found = 0; |
|
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784 v->data = s; |
|
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|
785 |
|
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786 return NGX_OK; |
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787 } |
|
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|
788 |
|
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changeset
|
789 |
|
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diff
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|
790 static ngx_int_t |
| 2307 | 791 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 792 uintptr_t data) | |
| 793 { | |
| 794 ngx_str_t *name = (ngx_str_t *) data; | |
| 795 | |
| 796 ngx_str_t cookie, s; | |
| 797 | |
| 798 s.len = name->len - (sizeof("cookie_") - 1); | |
| 799 s.data = name->data + sizeof("cookie_") - 1; | |
| 800 | |
| 801 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 802 == NGX_DECLINED) | |
| 803 { | |
| 804 v->not_found = 1; | |
| 805 return NGX_OK; | |
| 806 } | |
| 807 | |
| 808 v->len = cookie.len; | |
| 809 v->valid = 1; | |
| 810 v->no_cacheable = 0; | |
| 811 v->not_found = 0; | |
| 812 v->data = cookie.data; | |
| 813 | |
| 814 return NGX_OK; | |
| 815 } | |
| 816 | |
| 817 | |
| 818 static ngx_int_t | |
| 2137 | 819 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 820 uintptr_t data) | |
| 821 { | |
| 822 ngx_str_t *name = (ngx_str_t *) data; | |
| 823 | |
| 2415 | 824 u_char *arg; |
| 825 size_t len; | |
| 826 ngx_str_t value; | |
| 2137 | 827 |
| 2415 | 828 len = name->len - (sizeof("arg_") - 1); |
| 829 arg = name->data + sizeof("arg_") - 1; | |
| 830 | |
| 831 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 832 v->not_found = 1; |
| 833 return NGX_OK; | |
| 834 } | |
| 835 | |
| 2415 | 836 v->data = value.data; |
| 837 v->len = value.len; | |
| 838 v->valid = 1; | |
| 839 v->no_cacheable = 0; | |
| 840 v->not_found = 0; | |
| 2137 | 841 |
| 842 return NGX_OK; | |
| 843 } | |
| 844 | |
| 845 | |
| 846 static ngx_int_t | |
| 573 | 847 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 848 uintptr_t data) | |
| 509 | 849 { |
| 1811 | 850 ngx_http_core_srv_conf_t *cscf; |
| 851 | |
|
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852 if (r->headers_in.server.len) { |
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853 v->len = r->headers_in.server.len; |
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854 v->data = r->headers_in.server.data; |
|
928
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855 |
|
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856 } else { |
|
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857 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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858 |
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859 v->len = cscf->server_name.len; |
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860 v->data = cscf->server_name.data; |
| 509 | 861 } |
| 862 | |
| 573 | 863 v->valid = 1; |
| 1565 | 864 v->no_cacheable = 0; |
| 573 | 865 v->not_found = 0; |
| 509 | 866 |
| 573 | 867 return NGX_OK; |
| 499 | 868 } |
| 869 | |
| 870 | |
| 573 | 871 static ngx_int_t |
|
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872 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 873 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 874 { |
|
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875 struct sockaddr_in *sin; |
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876 #if (NGX_HAVE_INET6) |
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877 struct sockaddr_in6 *sin6; |
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878 #endif |
| 982 | 879 |
|
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880 switch (r->connection->sockaddr->sa_family) { |
|
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881 |
|
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882 #if (NGX_HAVE_INET6) |
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883 case AF_INET6: |
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884 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 885 |
|
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886 v->len = sizeof(struct in6_addr); |
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887 v->valid = 1; |
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888 v->no_cacheable = 0; |
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889 v->not_found = 0; |
|
3268
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|
890 v->data = sin6->sin6_addr.s6_addr; |
|
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891 |
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892 break; |
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893 #endif |
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894 |
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895 default: /* AF_INET */ |
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896 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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897 |
|
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898 v->len = sizeof(in_addr_t); |
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899 v->valid = 1; |
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900 v->no_cacheable = 0; |
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901 v->not_found = 0; |
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902 v->data = (u_char *) &sin->sin_addr; |
|
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903 |
|
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904 break; |
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905 } |
| 982 | 906 |
|
983
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|
907 return NGX_OK; |
|
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|
908 } |
| 982 | 909 |
| 910 | |
|
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|
911 static ngx_int_t |
|
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|
912 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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|
913 ngx_http_variable_value_t *v, uintptr_t data) |
|
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|
914 { |
|
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|
915 v->len = r->connection->addr_text.len; |
|
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|
916 v->valid = 1; |
| 1565 | 917 v->no_cacheable = 0; |
|
983
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|
918 v->not_found = 0; |
|
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|
919 v->data = r->connection->addr_text.data; |
| 499 | 920 |
| 573 | 921 return NGX_OK; |
| 499 | 922 } |
| 923 | |
| 924 | |
| 573 | 925 static ngx_int_t |
| 926 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 927 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 928 { |
|
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929 ngx_uint_t port; |
|
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930 struct sockaddr_in *sin; |
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931 #if (NGX_HAVE_INET6) |
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932 struct sockaddr_in6 *sin6; |
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933 #endif |
| 509 | 934 |
| 573 | 935 v->len = 0; |
| 936 v->valid = 1; | |
| 1565 | 937 v->no_cacheable = 0; |
| 573 | 938 v->not_found = 0; |
| 509 | 939 |
| 2049 | 940 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 941 if (v->data == NULL) { |
| 942 return NGX_ERROR; | |
| 509 | 943 } |
| 944 | |
|
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945 switch (r->connection->sockaddr->sa_family) { |
| 577 | 946 |
|
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947 #if (NGX_HAVE_INET6) |
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948 case AF_INET6: |
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949 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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|
950 port = ntohs(sin6->sin6_port); |
|
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|
951 break; |
|
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952 #endif |
| 577 | 953 |
|
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|
954 default: /* AF_INET */ |
|
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|
955 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 956 port = ntohs(sin->sin_port); |
|
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|
957 break; |
|
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958 } |
| 577 | 959 |
|
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960 if (port > 0 && port < 65536) { |
|
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|
961 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 962 } |
| 963 | |
| 573 | 964 return NGX_OK; |
| 509 | 965 } |
| 966 | |
| 967 | |
| 573 | 968 static ngx_int_t |
| 969 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 970 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 971 { |
| 1805 | 972 ngx_str_t s; |
|
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973 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 974 |
|
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975 s.len = NGX_SOCKADDR_STRLEN; |
|
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976 s.data = addr; |
|
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|
977 |
|
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|
978 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
|
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979 return NGX_ERROR; |
|
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980 } |
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|
981 |
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|
982 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 983 if (s.data == NULL) { |
| 573 | 984 return NGX_ERROR; |
| 509 | 985 } |
| 986 | |
|
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987 ngx_memcpy(s.data, addr, s.len); |
| 509 | 988 |
| 1805 | 989 v->len = s.len; |
| 573 | 990 v->valid = 1; |
| 1565 | 991 v->no_cacheable = 0; |
| 573 | 992 v->not_found = 0; |
| 1805 | 993 v->data = s.data; |
| 499 | 994 |
| 573 | 995 return NGX_OK; |
| 499 | 996 } |
| 997 | |
| 998 | |
| 573 | 999 static ngx_int_t |
| 1000 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1001 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1002 { |
| 2533 | 1003 ngx_uint_t port; |
| 1004 struct sockaddr_in *sin; | |
| 1005 #if (NGX_HAVE_INET6) | |
| 1006 struct sockaddr_in6 *sin6; | |
| 1007 #endif | |
| 1008 | |
| 1009 v->len = 0; | |
| 573 | 1010 v->valid = 1; |
| 1565 | 1011 v->no_cacheable = 0; |
| 573 | 1012 v->not_found = 0; |
| 2533 | 1013 |
|
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1014 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1015 return NGX_ERROR; |
| 1016 } | |
| 1017 | |
| 1018 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1019 if (v->data == NULL) { | |
| 1020 return NGX_ERROR; | |
| 1021 } | |
| 1022 | |
| 1023 switch (r->connection->local_sockaddr->sa_family) { | |
| 1024 | |
| 1025 #if (NGX_HAVE_INET6) | |
| 1026 case AF_INET6: | |
| 1027 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1028 port = ntohs(sin6->sin6_port); | |
| 1029 break; | |
| 1030 #endif | |
| 1031 | |
| 1032 default: /* AF_INET */ | |
| 1033 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1034 port = ntohs(sin->sin_port); | |
| 1035 break; | |
| 1036 } | |
| 1037 | |
| 1038 if (port > 0 && port < 65536) { | |
| 1039 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1040 } | |
| 509 | 1041 |
| 573 | 1042 return NGX_OK; |
| 509 | 1043 } |
| 1044 | |
| 1045 | |
| 573 | 1046 static ngx_int_t |
| 731 | 1047 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1048 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1049 { | |
| 1050 #if (NGX_HTTP_SSL) | |
| 1051 | |
| 1052 if (r->connection->ssl) { | |
| 1053 v->len = sizeof("https") - 1; | |
| 1054 v->valid = 1; | |
| 1565 | 1055 v->no_cacheable = 0; |
| 731 | 1056 v->not_found = 0; |
| 732 | 1057 v->data = (u_char *) "https"; |
| 731 | 1058 |
| 1059 return NGX_OK; | |
| 1060 } | |
| 1061 | |
| 1062 #endif | |
| 1063 | |
| 1064 v->len = sizeof("http") - 1; | |
| 1065 v->valid = 1; | |
| 1565 | 1066 v->no_cacheable = 0; |
| 731 | 1067 v->not_found = 0; |
| 732 | 1068 v->data = (u_char *) "http"; |
| 731 | 1069 |
| 1070 return NGX_OK; | |
| 1071 } | |
| 1072 | |
| 1073 | |
| 1074 static ngx_int_t | |
| 1351 | 1075 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1076 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1077 { | |
| 1078 v->valid = 1; | |
| 1565 | 1079 v->no_cacheable = 0; |
| 1351 | 1080 v->not_found = 0; |
| 1081 | |
| 1082 if (r->args.len == 0) { | |
| 1083 v->len = 0; | |
| 1084 v->data = NULL; | |
| 1085 return NGX_OK; | |
| 1086 } | |
| 1087 | |
| 1088 v->len = 1; | |
| 1089 v->data = (u_char *) "?"; | |
| 1090 | |
| 1091 return NGX_OK; | |
| 1092 } | |
| 1093 | |
| 1094 | |
| 1095 static ngx_int_t | |
| 573 | 1096 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1097 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1098 { |
| 671 | 1099 ngx_str_t path; |
| 573 | 1100 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1101 |
| 1102 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1103 | |
| 671 | 1104 if (clcf->root_lengths == NULL) { |
| 1105 v->len = clcf->root.len; | |
| 1106 v->valid = 1; | |
| 1565 | 1107 v->no_cacheable = 0; |
| 671 | 1108 v->not_found = 0; |
| 1109 v->data = clcf->root.data; | |
| 1110 | |
| 1111 } else { | |
| 1112 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1113 clcf->root_values->elts) | |
| 1114 == NULL) | |
| 1115 { | |
| 1116 return NGX_ERROR; | |
| 1117 } | |
| 1118 | |
|
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1119 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1120 return NGX_ERROR; |
| 1121 } | |
| 1122 | |
| 1123 v->len = path.len; | |
| 1124 v->valid = 1; | |
| 1565 | 1125 v->no_cacheable = 0; |
| 671 | 1126 v->not_found = 0; |
| 1127 v->data = path.data; | |
| 1128 } | |
| 509 | 1129 |
| 573 | 1130 return NGX_OK; |
| 509 | 1131 } |
| 1132 | |
| 1133 | |
| 573 | 1134 static ngx_int_t |
| 2259 | 1135 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1136 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1137 { | |
| 1138 size_t len; | |
| 1139 ngx_str_t path; | |
| 1140 ngx_http_core_loc_conf_t *clcf; | |
| 1141 u_char real[NGX_MAX_PATH]; | |
| 1142 | |
| 1143 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1144 | |
| 1145 if (clcf->root_lengths == NULL) { | |
| 1146 path = clcf->root; | |
| 1147 | |
| 1148 } else { | |
| 1149 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1150 clcf->root_values->elts) | |
| 1151 == NULL) | |
| 1152 { | |
| 1153 return NGX_ERROR; | |
| 1154 } | |
| 1155 | |
| 1156 path.data[path.len - 1] = '\0'; | |
| 1157 | |
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1158 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1159 return NGX_ERROR; |
| 1160 } | |
| 1161 } | |
| 1162 | |
| 1163 if (ngx_realpath(path.data, real) == NULL) { | |
| 1164 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1165 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1166 return NGX_ERROR; | |
| 1167 } | |
| 1168 | |
| 1169 len = ngx_strlen(real); | |
| 1170 | |
| 1171 v->data = ngx_pnalloc(r->pool, len); | |
| 1172 if (v->data == NULL) { | |
| 1173 return NGX_ERROR; | |
| 1174 } | |
| 1175 | |
| 1176 v->len = len; | |
| 1177 v->valid = 1; | |
| 1178 v->no_cacheable = 0; | |
| 1179 v->not_found = 0; | |
| 1180 | |
| 1181 ngx_memcpy(v->data, real, len); | |
| 1182 | |
| 1183 return NGX_OK; | |
| 1184 } | |
| 1185 | |
| 1186 | |
| 1187 static ngx_int_t | |
| 573 | 1188 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1189 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1190 { |
| 773 | 1191 size_t root; |
| 573 | 1192 ngx_str_t path; |
| 499 | 1193 |
| 773 | 1194 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1195 return NGX_ERROR; |
| 557 | 1196 } |
| 509 | 1197 |
| 557 | 1198 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1199 |
| 573 | 1200 v->len = path.len - 1; |
| 1201 v->valid = 1; | |
| 1565 | 1202 v->no_cacheable = 0; |
| 573 | 1203 v->not_found = 0; |
| 1204 v->data = path.data; | |
| 499 | 1205 |
| 573 | 1206 return NGX_OK; |
| 499 | 1207 } |
| 1208 | |
| 1209 | |
| 573 | 1210 static ngx_int_t |
| 1811 | 1211 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1212 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1213 { | |
| 1214 ngx_http_core_srv_conf_t *cscf; | |
| 1215 | |
| 1216 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1217 | |
| 1218 v->len = cscf->server_name.len; | |
| 1219 v->valid = 1; | |
| 1220 v->no_cacheable = 0; | |
| 1221 v->not_found = 0; | |
| 1222 v->data = cscf->server_name.data; | |
| 1223 | |
| 1224 return NGX_OK; | |
| 1225 } | |
| 1226 | |
| 1227 | |
| 1228 static ngx_int_t | |
| 573 | 1229 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1230 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1231 { |
| 647 | 1232 if (r->main->method_name.data) { |
| 1233 v->len = r->main->method_name.len; | |
| 573 | 1234 v->valid = 1; |
| 1565 | 1235 v->no_cacheable = 0; |
| 573 | 1236 v->not_found = 0; |
| 647 | 1237 v->data = r->main->method_name.data; |
| 573 | 1238 |
| 1239 } else { | |
| 1240 v->not_found = 1; | |
| 561 | 1241 } |
| 1242 | |
| 573 | 1243 return NGX_OK; |
| 561 | 1244 } |
| 1245 | |
| 1246 | |
| 573 | 1247 static ngx_int_t |
| 1248 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1249 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1250 { |
| 573 | 1251 ngx_int_t rc; |
| 539 | 1252 |
| 1253 rc = ngx_http_auth_basic_user(r); | |
| 1254 | |
| 1255 if (rc == NGX_DECLINED) { | |
| 573 | 1256 v->not_found = 1; |
| 1257 return NGX_OK; | |
| 539 | 1258 } |
| 1259 | |
| 1260 if (rc == NGX_ERROR) { | |
| 573 | 1261 return NGX_ERROR; |
| 539 | 1262 } |
| 1263 | |
| 573 | 1264 v->len = r->headers_in.user.len; |
| 1265 v->valid = 1; | |
| 1565 | 1266 v->no_cacheable = 0; |
| 573 | 1267 v->not_found = 0; |
| 1268 v->data = r->headers_in.user.data; | |
| 571 | 1269 |
| 573 | 1270 return NGX_OK; |
| 571 | 1271 } |
| 1272 | |
| 1273 | |
| 611 | 1274 static ngx_int_t |
| 1275 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1276 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1277 { | |
| 1278 off_t sent; | |
| 1279 u_char *p; | |
| 1280 | |
| 1281 sent = r->connection->sent - r->header_size; | |
| 1282 | |
| 1283 if (sent < 0) { | |
| 1284 sent = 0; | |
| 1285 } | |
| 1286 | |
| 2049 | 1287 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1288 if (p == NULL) { |
| 1289 return NGX_ERROR; | |
| 1290 } | |
| 1291 | |
| 1292 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1293 v->valid = 1; | |
| 1565 | 1294 v->no_cacheable = 0; |
| 611 | 1295 v->not_found = 0; |
| 1296 v->data = p; | |
| 1297 | |
| 1298 return NGX_OK; | |
| 1299 } | |
| 1300 | |
| 1301 | |
| 629 | 1302 static ngx_int_t |
| 641 | 1303 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1304 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1305 { | |
| 1306 if (r->headers_out.content_type.len) { | |
| 1307 v->len = r->headers_out.content_type.len; | |
| 1308 v->valid = 1; | |
| 1565 | 1309 v->no_cacheable = 0; |
| 641 | 1310 v->not_found = 0; |
| 1311 v->data = r->headers_out.content_type.data; | |
| 1312 | |
| 1313 } else { | |
| 1314 v->not_found = 1; | |
| 1315 } | |
| 1316 | |
| 1317 return NGX_OK; | |
| 1318 } | |
| 1319 | |
| 1320 | |
| 1321 static ngx_int_t | |
| 1322 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1323 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1324 { | |
| 1325 u_char *p; | |
| 1326 | |
| 1327 if (r->headers_out.content_length) { | |
| 1328 v->len = r->headers_out.content_length->value.len; | |
| 1329 v->valid = 1; | |
| 1565 | 1330 v->no_cacheable = 0; |
| 641 | 1331 v->not_found = 0; |
| 1332 v->data = r->headers_out.content_length->value.data; | |
| 1333 | |
| 1334 return NGX_OK; | |
| 1335 } | |
| 1336 | |
| 1337 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1338 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1339 if (p == NULL) { |
| 1340 return NGX_ERROR; | |
| 1341 } | |
| 1342 | |
| 1343 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1344 v->valid = 1; | |
| 1565 | 1345 v->no_cacheable = 0; |
| 641 | 1346 v->not_found = 0; |
| 1347 v->data = p; | |
| 1348 | |
| 1349 return NGX_OK; | |
| 1350 } | |
| 1351 | |
| 1352 v->not_found = 1; | |
| 1353 | |
| 1354 return NGX_OK; | |
| 1355 } | |
| 1356 | |
| 1357 | |
| 1358 static ngx_int_t | |
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1359 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1360 ngx_http_variable_value_t *v, uintptr_t data) |
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1361 { |
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1362 ngx_str_t name; |
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1363 |
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1364 if (r->headers_out.location) { |
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1365 v->len = r->headers_out.location->value.len; |
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1366 v->valid = 1; |
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1367 v->no_cacheable = 0; |
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1368 v->not_found = 0; |
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1369 v->data = r->headers_out.location->value.data; |
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1370 |
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1371 return NGX_OK; |
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1372 } |
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1373 |
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1374 name.len = sizeof("sent_http_location") - 1; |
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1375 name.data = (u_char *) "sent_http_location"; |
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1376 |
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1377 return ngx_http_variable_unknown_header(v, &name, |
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1378 &r->headers_out.headers.part, |
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1379 sizeof("sent_http_") - 1); |
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1380 } |
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1381 |
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1382 |
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1383 static ngx_int_t |
| 641 | 1384 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1385 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1386 { | |
| 1387 u_char *p; | |
| 1388 | |
| 1389 if (r->headers_out.last_modified) { | |
| 1390 v->len = r->headers_out.last_modified->value.len; | |
| 1391 v->valid = 1; | |
| 1565 | 1392 v->no_cacheable = 0; |
| 641 | 1393 v->not_found = 0; |
| 1394 v->data = r->headers_out.last_modified->value.data; | |
| 1395 | |
| 1396 return NGX_OK; | |
| 1397 } | |
| 1398 | |
| 1399 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1400 p = ngx_pnalloc(r->pool, |
| 641 | 1401 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1402 if (p == NULL) { | |
| 1403 return NGX_ERROR; | |
| 1404 } | |
| 1405 | |
| 1406 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1407 v->valid = 1; | |
| 1565 | 1408 v->no_cacheable = 0; |
| 641 | 1409 v->not_found = 0; |
| 1410 v->data = p; | |
| 1411 | |
| 1412 return NGX_OK; | |
| 1413 } | |
| 1414 | |
| 1415 v->not_found = 1; | |
| 1416 | |
| 1417 return NGX_OK; | |
| 1418 } | |
| 1419 | |
| 1420 | |
| 1421 static ngx_int_t | |
| 1422 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1423 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1424 { | |
| 1425 size_t len; | |
| 1426 char *p; | |
| 1427 | |
| 1428 if (r->keepalive) { | |
| 1429 len = sizeof("keep-alive") - 1; | |
| 1430 p = "keep-alive"; | |
| 1431 | |
| 1432 } else { | |
| 1433 len = sizeof("close") - 1; | |
| 1434 p = "close"; | |
| 1435 } | |
| 1436 | |
| 1437 v->len = len; | |
| 1438 v->valid = 1; | |
| 1565 | 1439 v->no_cacheable = 0; |
| 641 | 1440 v->not_found = 0; |
| 1441 v->data = (u_char *) p; | |
| 1442 | |
| 1443 return NGX_OK; | |
| 1444 } | |
| 1445 | |
| 1446 | |
| 1447 static ngx_int_t | |
| 1448 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1449 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1450 { | |
| 1451 u_char *p; | |
| 1452 ngx_http_core_loc_conf_t *clcf; | |
| 1453 | |
| 1454 if (r->keepalive) { | |
| 1455 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1456 | |
| 1457 if (clcf->keepalive_header) { | |
| 1458 | |
| 2049 | 1459 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1460 if (p == NULL) { |
| 1461 return NGX_ERROR; | |
| 1462 } | |
| 1463 | |
| 1464 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1465 v->valid = 1; | |
| 1565 | 1466 v->no_cacheable = 0; |
| 641 | 1467 v->not_found = 0; |
| 1468 v->data = p; | |
| 1469 | |
| 1470 return NGX_OK; | |
| 1471 } | |
| 1472 } | |
| 1473 | |
| 1474 v->not_found = 1; | |
| 1475 | |
| 1476 return NGX_OK; | |
| 1477 } | |
| 1478 | |
| 1479 | |
| 1480 static ngx_int_t | |
| 1481 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1482 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1483 { | |
| 1484 if (r->chunked) { | |
| 1485 v->len = sizeof("chunked") - 1; | |
| 1486 v->valid = 1; | |
| 1565 | 1487 v->no_cacheable = 0; |
| 641 | 1488 v->not_found = 0; |
| 1489 v->data = (u_char *) "chunked"; | |
| 1490 | |
| 1491 } else { | |
| 1492 v->not_found = 1; | |
| 1493 } | |
| 1494 | |
| 1495 return NGX_OK; | |
| 1496 } | |
| 1497 | |
| 1498 | |
| 1499 static ngx_int_t | |
| 629 | 1500 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1501 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1502 { | |
| 1503 if (r->request_complete) { | |
| 1504 v->len = 2; | |
| 1505 v->valid = 1; | |
| 1565 | 1506 v->no_cacheable = 0; |
| 629 | 1507 v->not_found = 0; |
| 1508 v->data = (u_char *) "OK"; | |
| 1509 | |
| 1510 return NGX_OK; | |
| 1511 } | |
| 1512 | |
| 1513 v->len = 0; | |
| 1514 v->valid = 1; | |
| 1565 | 1515 v->no_cacheable = 0; |
| 629 | 1516 v->not_found = 0; |
| 1517 v->data = (u_char *) ""; | |
| 1518 | |
| 1519 return NGX_OK; | |
| 1520 } | |
| 1521 | |
| 1522 | |
| 759 | 1523 static ngx_int_t |
| 2844 | 1524 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1525 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1526 { | |
| 1527 u_char *p; | |
| 1528 size_t len; | |
| 1529 ngx_buf_t *buf, *next; | |
| 1530 ngx_chain_t *cl; | |
| 1531 | |
|
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1532 if (r->request_body == NULL |
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1533 || r->request_body->bufs == NULL |
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1534 || r->request_body->temp_file) |
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1535 { |
| 2844 | 1536 v->not_found = 1; |
| 1537 | |
| 1538 return NGX_OK; | |
| 1539 } | |
| 1540 | |
| 1541 cl = r->request_body->bufs; | |
| 1542 buf = cl->buf; | |
| 1543 | |
| 1544 if (cl->next == NULL) { | |
| 1545 v->len = buf->last - buf->pos; | |
| 1546 v->valid = 1; | |
| 1547 v->no_cacheable = 0; | |
| 1548 v->not_found = 0; | |
| 1549 v->data = buf->pos; | |
| 1550 | |
| 1551 return NGX_OK; | |
| 1552 } | |
| 1553 | |
| 1554 next = cl->next->buf; | |
| 1555 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1556 | |
| 1557 p = ngx_pnalloc(r->pool, len); | |
| 1558 if (p == NULL) { | |
| 1559 return NGX_ERROR; | |
| 1560 } | |
| 1561 | |
| 1562 v->data = p; | |
| 1563 | |
| 1564 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1565 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1566 | |
| 1567 v->len = len; | |
| 1568 v->valid = 1; | |
| 1569 v->no_cacheable = 0; | |
| 1570 v->not_found = 0; | |
| 1571 | |
| 1572 return NGX_OK; | |
| 1573 } | |
| 1574 | |
| 1575 | |
| 1576 static ngx_int_t | |
| 759 | 1577 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1578 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1579 { | |
| 1580 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1581 v->not_found = 1; |
| 759 | 1582 |
| 1583 return NGX_OK; | |
| 1584 } | |
| 1585 | |
| 1586 v->len = r->request_body->temp_file->file.name.len; | |
| 1587 v->valid = 1; | |
| 1565 | 1588 v->no_cacheable = 0; |
| 759 | 1589 v->not_found = 0; |
| 1590 v->data = r->request_body->temp_file->file.name.data; | |
| 1591 | |
| 1592 return NGX_OK; | |
| 1593 } | |
| 1594 | |
| 1595 | |
| 1329 | 1596 static ngx_int_t |
| 1597 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1598 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1599 { | |
| 1600 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1601 v->valid = 1; | |
| 1565 | 1602 v->no_cacheable = 0; |
| 1329 | 1603 v->not_found = 0; |
| 1604 v->data = (u_char *) NGINX_VERSION; | |
| 1605 | |
| 1606 return NGX_OK; | |
| 1607 } | |
| 1608 | |
| 1609 | |
| 2011 | 1610 static ngx_int_t |
| 1611 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1612 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1613 { | |
| 1614 v->len = ngx_cycle->hostname.len; | |
| 1615 v->valid = 1; | |
| 1616 v->no_cacheable = 0; | |
| 1617 v->not_found = 0; | |
| 1618 v->data = ngx_cycle->hostname.data; | |
| 1619 | |
| 1620 return NGX_OK; | |
| 1621 } | |
| 1622 | |
| 1623 | |
| 2249 | 1624 static ngx_int_t |
| 1625 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1626 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1627 { | |
| 1628 u_char *p; | |
| 1629 | |
| 1630 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1631 if (p == NULL) { | |
| 1632 return NGX_ERROR; | |
| 1633 } | |
| 1634 | |
| 1635 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1636 v->valid = 1; | |
| 1637 v->no_cacheable = 0; | |
| 1638 v->not_found = 0; | |
| 1639 v->data = p; | |
| 1640 | |
| 1641 return NGX_OK; | |
| 1642 } | |
| 1643 | |
| 1644 | |
| 499 | 1645 ngx_int_t |
| 509 | 1646 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1647 { |
| 611 | 1648 ngx_int_t rc; |
| 1649 ngx_http_variable_t *v; | |
| 501 | 1650 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1651 |
| 509 | 1652 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1653 | |
| 611 | 1654 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1655 sizeof(ngx_hash_keys_arrays_t)); | |
| 1656 if (cmcf->variables_keys == NULL) { | |
| 1657 return NGX_ERROR; | |
| 1658 } | |
| 1659 | |
| 1660 cmcf->variables_keys->pool = cf->pool; | |
| 1661 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1662 | |
| 1663 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1664 != NGX_OK) | |
| 509 | 1665 { |
| 499 | 1666 return NGX_ERROR; |
| 1667 } | |
| 1668 | |
| 611 | 1669 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1670 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1671 NGX_HASH_READONLY_KEY); | |
| 1672 | |
| 1673 if (rc == NGX_OK) { | |
| 1674 continue; | |
| 499 | 1675 } |
| 1676 | |
| 611 | 1677 if (rc == NGX_BUSY) { |
| 1678 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1679 "conflicting variable name \"%V\"", &v->name); | |
| 1680 } | |
| 1681 | |
| 1682 return NGX_ERROR; | |
| 499 | 1683 } |
| 1684 | |
| 1685 return NGX_OK; | |
| 1686 } | |
| 509 | 1687 |
| 1688 | |
| 1689 ngx_int_t | |
| 1690 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1691 { | |
| 1692 ngx_uint_t i, n; | |
| 611 | 1693 ngx_hash_key_t *key; |
| 1694 ngx_hash_init_t hash; | |
| 509 | 1695 ngx_http_variable_t *v, *av; |
| 1696 ngx_http_core_main_conf_t *cmcf; | |
| 1697 | |
| 1698 /* set the handlers for the indexed http variables */ | |
| 1699 | |
| 1700 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1701 | |
| 1702 v = cmcf->variables.elts; | |
| 611 | 1703 key = cmcf->variables_keys->keys.elts; |
| 509 | 1704 |
| 1705 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1706 | |
| 611 | 1707 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1708 |
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1709 av = key[n].value; |
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1710 |
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1711 if (av->get_handler |
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1712 && v[i].name.len == key[n].key.len |
| 611 | 1713 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1714 == 0) |
| 1715 { | |
| 637 | 1716 v[i].get_handler = av->get_handler; |
| 611 | 1717 v[i].data = av->data; |
| 527 | 1718 |
| 611 | 1719 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1720 v[i].flags = av->flags; | |
| 509 | 1721 |
| 611 | 1722 av->index = i; |
| 533 | 1723 |
| 509 | 1724 goto next; |
| 1725 } | |
| 1726 } | |
| 1727 | |
| 1728 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1729 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1730 v[i].data = (uintptr_t) &v[i].name; |
| 1731 | |
| 1732 continue; | |
| 1733 } | |
| 1734 | |
| 1735 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1736 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1737 v[i].data = (uintptr_t) &v[i].name; |
| 1738 | |
| 1739 continue; | |
| 1740 } | |
| 1741 | |
| 1162 | 1742 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1743 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1744 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1745 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1746 |
| 1747 continue; | |
| 1748 } | |
| 1749 | |
| 2307 | 1750 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1751 v[i].get_handler = ngx_http_variable_cookie; | |
| 1752 v[i].data = (uintptr_t) &v[i].name; | |
| 1753 | |
| 1754 continue; | |
| 1755 } | |
| 1756 | |
| 2137 | 1757 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1758 v[i].get_handler = ngx_http_variable_argument; | |
| 1759 v[i].data = (uintptr_t) &v[i].name; | |
| 1760 | |
| 1761 continue; | |
| 1762 } | |
| 1763 | |
| 509 | 1764 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1765 "unknown \"%V\" variable", &v[i].name); | |
| 1766 | |
| 1767 return NGX_ERROR; | |
| 1768 | |
| 1769 next: | |
| 1770 continue; | |
| 1771 } | |
| 1772 | |
| 1773 | |
| 611 | 1774 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1775 av = key[n].value; | |
| 1776 | |
| 1777 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1778 key[n].key.data = NULL; | |
| 583 | 1779 } |
| 1780 } | |
| 1781 | |
| 1782 | |
| 611 | 1783 hash.hash = &cmcf->variables_hash; |
| 1784 hash.key = ngx_hash_key; | |
| 1785 hash.max_size = cmcf->variables_hash_max_size; | |
| 1786 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1787 hash.name = "variables_hash"; | |
| 1788 hash.pool = cf->pool; | |
| 1789 hash.temp_pool = NULL; | |
| 509 | 1790 |
| 611 | 1791 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1792 cmcf->variables_keys->keys.nelts) | |
| 581 | 1793 != NGX_OK) |
| 509 | 1794 { |
| 1795 return NGX_ERROR; | |
| 1796 } | |
| 1797 | |
| 611 | 1798 cmcf->variables_keys = NULL; |
| 509 | 1799 |
| 1800 return NGX_OK; | |
| 1801 } | |
|
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1802 |
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1803 |
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1804 void |
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1805 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
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1806 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
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1807 { |
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1808 ngx_rbtree_node_t **p; |
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1809 ngx_http_variable_value_node_t *vvn, *vvt; |
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1810 |
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1811 for ( ;; ) { |
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1812 |
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1813 vvn = (ngx_http_variable_value_node_t *) node; |
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1814 vvt = (ngx_http_variable_value_node_t *) temp; |
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1815 |
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1816 if (node->key != temp->key) { |
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1817 |
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1818 p = (node->key < temp->key) ? &temp->left : &temp->right; |
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1819 |
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1820 } else if (vvn->len != vvt->len) { |
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1821 |
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1822 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
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1823 |
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1824 } else { |
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1825 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
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1826 ? &temp->left : &temp->right; |
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1827 } |
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1828 |
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1829 if (*p == sentinel) { |
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1830 break; |
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1831 } |
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1832 |
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1833 temp = *p; |
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1834 } |
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1835 |
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1836 *p = node; |
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1837 node->parent = temp; |
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1838 node->left = sentinel; |
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1839 node->right = sentinel; |
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1840 ngx_rbt_red(node); |
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1841 } |
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1842 |
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1843 |
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1844 ngx_http_variable_value_t * |
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1845 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
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1846 uint32_t hash) |
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1847 { |
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1848 ngx_int_t rc; |
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1849 ngx_rbtree_node_t *node, *sentinel; |
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1850 ngx_http_variable_value_node_t *vvn; |
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1851 |
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1852 node = rbtree->root; |
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1853 sentinel = rbtree->sentinel; |
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1854 |
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1855 while (node != sentinel) { |
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1856 |
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1857 vvn = (ngx_http_variable_value_node_t *) node; |
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1858 |
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1859 if (hash != node->key) { |
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1860 node = (hash < node->key) ? node->left : node->right; |
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1861 continue; |
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1862 } |
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1863 |
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1864 if (val->len != vvn->len) { |
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1865 node = (val->len < vvn->len) ? node->left : node->right; |
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1866 continue; |
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1867 } |
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1868 |
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1869 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
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1870 |
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1871 if (rc < 0) { |
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1872 node = node->left; |
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1873 continue; |
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1874 } |
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1875 |
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1876 if (rc > 0) { |
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1877 node = node->right; |
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1878 continue; |
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1879 } |
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1880 |
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1881 return vvn->value; |
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1882 } |
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1883 |
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1884 return NULL; |
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1885 } |