Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 3325:42c16d8bddbe
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| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 16 Nov 2009 12:19:02 +0000 |
| parents | c76b7a7959d5 |
| children | 1aed55182ea2 |
| 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); | |
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17 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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18 ngx_http_variable_value_t *v, uintptr_t data); |
| 637 | 19 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 21 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 23 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 24 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 25 |
| 26 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 27 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 28 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 29 ngx_http_variable_value_t *v, uintptr_t data); | |
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30 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
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31 ngx_http_variable_value_t *v, uintptr_t data); |
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32 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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33 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 34 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 35 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 36 |
| 573 | 37 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
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ngx_http_variable_binary_remote_addr()
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39 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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40 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 41 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 45 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 47 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 49 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 51 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 53 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 55 static ngx_int_t ngx_http_variable_realpath_root(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_filename(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 59 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 61 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 63 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 65 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 67 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2844 | 69 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
| 70 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 71 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 72 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 73 |
| 641 | 74 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
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78 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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79 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 80 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 85 ngx_http_variable_value_t *v, uintptr_t data); | |
| 86 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 87 ngx_http_variable_value_t *v, uintptr_t data); | |
| 88 | |
| 1329 | 89 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 90 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 91 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 92 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 93 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 94 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 95 |
| 509 | 96 /* |
| 97 * TODO: | |
| 98 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 99 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 100 * SERVER_SOFTWARE | |
| 101 * | |
| 571 | 102 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 103 */ |
| 499 | 104 |
| 641 | 105 /* |
| 106 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 107 * and $http_x_forwarded_for variables may be handled by generic | |
| 108 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 109 * they are handled using dedicated entries | |
| 110 */ | |
| 111 | |
| 509 | 112 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 113 | |
| 637 | 114 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 116 |
| 637 | 117 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 118 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 119 |
| 637 | 120 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 121 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 122 |
| 123 #if (NGX_HTTP_GZIP) | |
| 637 | 124 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 125 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 126 #endif |
| 127 | |
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128 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 129 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 130 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 131 #endif |
| 132 | |
| 637 | 133 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 134 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 135 |
| 637 | 136 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 137 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 138 |
| 637 | 139 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 140 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 141 |
| 637 | 142 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 143 |
| 982 | 144 { ngx_string("binary_remote_addr"), NULL, |
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145 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 146 |
| 637 | 147 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 148 |
| 637 | 149 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 150 |
| 637 | 151 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 152 |
| 637 | 153 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 154 |
| 637 | 155 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 156 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 157 |
| 731 | 158 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 159 | |
| 637 | 160 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 161 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 162 |
| 637 | 163 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 164 offsetof(ngx_http_request_t, uri), | |
| 1565 | 165 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 166 |
| 167 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 168 offsetof(ngx_http_request_t, uri), |
| 1565 | 169 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 170 |
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171 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
| 569 | 172 |
| 637 | 173 { ngx_string("document_root"), NULL, |
| 1565 | 174 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 175 |
| 2259 | 176 { ngx_string("realpath_root"), NULL, |
| 177 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 178 | |
| 637 | 179 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 180 offsetof(ngx_http_request_t, args), |
| 1565 | 181 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 182 |
| 1350 | 183 { ngx_string("args"), |
| 184 ngx_http_variable_request_set, | |
| 185 ngx_http_variable_request, | |
| 589 | 186 offsetof(ngx_http_request_t, args), |
| 1565 | 187 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 188 |
| 1351 | 189 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 190 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 191 |
| 637 | 192 { ngx_string("request_filename"), NULL, |
| 193 ngx_http_variable_request_filename, 0, | |
| 1565 | 194 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 195 |
| 1811 | 196 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 197 |
| 637 | 198 { ngx_string("request_method"), NULL, |
| 199 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 200 |
| 637 | 201 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 202 |
| 637 | 203 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 204 0, 0, 0 }, |
| 205 | |
| 637 | 206 { ngx_string("request_completion"), NULL, |
| 207 ngx_http_variable_request_completion, | |
| 629 | 208 0, 0, 0 }, |
| 209 | |
| 2844 | 210 { ngx_string("request_body"), NULL, |
| 211 ngx_http_variable_request_body, | |
| 212 0, 0, 0 }, | |
| 213 | |
| 759 | 214 { ngx_string("request_body_file"), NULL, |
| 215 ngx_http_variable_request_body_file, | |
| 216 0, 0, 0 }, | |
| 217 | |
| 641 | 218 { ngx_string("sent_http_content_type"), NULL, |
| 219 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 220 | |
| 221 { ngx_string("sent_http_content_length"), NULL, | |
| 222 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 223 | |
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224 { ngx_string("sent_http_location"), NULL, |
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225 ngx_http_variable_sent_location, 0, 0, 0 }, |
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226 |
| 641 | 227 { ngx_string("sent_http_last_modified"), NULL, |
| 228 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 229 | |
| 230 { ngx_string("sent_http_connection"), NULL, | |
| 231 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 232 | |
| 233 { ngx_string("sent_http_keep_alive"), NULL, | |
| 234 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 235 | |
| 236 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 237 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 238 | |
| 239 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 240 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 241 | |
| 637 | 242 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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243 ngx_http_variable_request_get_size, |
| 637 | 244 offsetof(ngx_http_request_t, limit_rate), |
| 1565 | 245 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 246 |
| 1329 | 247 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 248 0, 0, 0 }, | |
| 249 | |
| 2011 | 250 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 251 0, 0, 0 }, | |
| 252 | |
| 2249 | 253 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 254 0, 0, 0 }, | |
| 255 | |
| 637 | 256 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 257 }; |
| 258 | |
| 259 | |
| 577 | 260 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 261 ngx_http_variable(""); | |
| 262 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 263 ngx_http_variable("1"); | |
| 264 | |
| 265 | |
| 499 | 266 ngx_http_variable_t * |
| 509 | 267 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 268 { | |
| 611 | 269 ngx_int_t rc; |
| 509 | 270 ngx_uint_t i; |
| 611 | 271 ngx_hash_key_t *key; |
| 509 | 272 ngx_http_variable_t *v; |
| 273 ngx_http_core_main_conf_t *cmcf; | |
| 274 | |
| 275 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 276 | |
| 611 | 277 key = cmcf->variables_keys->keys.elts; |
| 278 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 279 if (name->len != key[i].key.len | |
| 280 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 281 { |
| 282 continue; | |
| 283 } | |
| 284 | |
| 611 | 285 v = key[i].value; |
| 286 | |
| 1565 | 287 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 288 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 289 "the duplicate \"%V\" variable", name); | |
| 290 return NULL; | |
| 291 } | |
| 292 | |
| 611 | 293 return v; |
| 509 | 294 } |
| 295 | |
| 611 | 296 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 297 if (v == NULL) { |
| 298 return NULL; | |
| 299 } | |
| 300 | |
| 301 v->name.len = name->len; | |
| 2049 | 302 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 303 if (v->name.data == NULL) { |
| 304 return NULL; | |
| 305 } | |
| 306 | |
| 2135 | 307 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 308 |
| 637 | 309 v->set_handler = NULL; |
| 310 v->get_handler = NULL; | |
| 509 | 311 v->data = 0; |
| 312 v->flags = flags; | |
| 533 | 313 v->index = 0; |
| 509 | 314 |
| 611 | 315 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 316 | |
| 317 if (rc == NGX_ERROR) { | |
| 318 return NULL; | |
| 319 } | |
| 320 | |
| 321 if (rc == NGX_BUSY) { | |
| 322 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 323 "conflicting variable name \"%V\"", name); | |
| 324 return NULL; | |
| 325 } | |
| 326 | |
| 509 | 327 return v; |
| 328 } | |
| 329 | |
| 330 | |
| 331 ngx_int_t | |
| 332 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 333 { |
| 501 | 334 ngx_uint_t i; |
| 335 ngx_http_variable_t *v; | |
| 499 | 336 ngx_http_core_main_conf_t *cmcf; |
| 337 | |
| 338 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 339 | |
| 501 | 340 v = cmcf->variables.elts; |
| 341 | |
| 342 if (v == NULL) { | |
| 499 | 343 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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344 sizeof(ngx_http_variable_t)) |
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345 != NGX_OK) |
| 499 | 346 { |
| 509 | 347 return NGX_ERROR; |
| 499 | 348 } |
| 501 | 349 |
| 350 } else { | |
| 351 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 352 if (name->len != v[i].name.len | |
| 353 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 354 { | |
| 355 continue; | |
| 356 } | |
| 357 | |
| 509 | 358 return i; |
| 501 | 359 } |
| 499 | 360 } |
| 361 | |
| 501 | 362 v = ngx_array_push(&cmcf->variables); |
| 363 if (v == NULL) { | |
| 509 | 364 return NGX_ERROR; |
| 499 | 365 } |
| 366 | |
| 501 | 367 v->name.len = name->len; |
| 2049 | 368 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 369 if (v->name.data == NULL) { |
| 509 | 370 return NGX_ERROR; |
| 501 | 371 } |
| 499 | 372 |
| 2135 | 373 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 374 |
| 637 | 375 v->set_handler = NULL; |
| 376 v->get_handler = NULL; | |
| 501 | 377 v->data = 0; |
| 509 | 378 v->flags = 0; |
| 533 | 379 v->index = cmcf->variables.nelts - 1; |
| 501 | 380 |
| 509 | 381 return cmcf->variables.nelts - 1; |
| 499 | 382 } |
| 383 | |
| 384 | |
| 385 ngx_http_variable_value_t * | |
| 386 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 387 { | |
| 501 | 388 ngx_http_variable_t *v; |
| 499 | 389 ngx_http_core_main_conf_t *cmcf; |
| 390 | |
| 391 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 392 | |
| 553 | 393 if (cmcf->variables.nelts <= index) { |
| 499 | 394 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 395 "unknown variable index: %d", index); | |
| 396 return NULL; | |
| 397 } | |
| 398 | |
| 573 | 399 if (r->variables[index].not_found || r->variables[index].valid) { |
| 400 return &r->variables[index]; | |
| 501 | 401 } |
| 499 | 402 |
| 501 | 403 v = cmcf->variables.elts; |
| 499 | 404 |
| 637 | 405 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 406 == NGX_OK) | |
| 407 { | |
| 1565 | 408 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 409 r->variables[index].no_cacheable = 1; | |
| 499 | 410 } |
| 573 | 411 |
| 412 return &r->variables[index]; | |
| 499 | 413 } |
| 414 | |
| 657 | 415 r->variables[index].valid = 0; |
| 416 r->variables[index].not_found = 1; | |
| 417 | |
| 798 | 418 return NULL; |
| 573 | 419 } |
| 420 | |
| 421 | |
| 422 ngx_http_variable_value_t * | |
| 423 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 424 { | |
| 1150 | 425 ngx_http_variable_value_t *v; |
| 573 | 426 |
| 427 v = &r->variables[index]; | |
| 428 | |
| 429 if (v->valid) { | |
| 1565 | 430 if (!v->no_cacheable) { |
| 573 | 431 return v; |
| 432 } | |
| 433 | |
| 434 v->valid = 0; | |
| 435 v->not_found = 0; | |
| 509 | 436 } |
| 501 | 437 |
| 573 | 438 return ngx_http_get_indexed_variable(r, index); |
| 499 | 439 } |
| 440 | |
| 441 | |
| 442 ngx_http_variable_value_t * | |
| 635 | 443 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 444 ngx_uint_t nowarn) | |
| 499 | 445 { |
| 501 | 446 ngx_http_variable_t *v; |
| 573 | 447 ngx_http_variable_value_t *vv; |
| 499 | 448 ngx_http_core_main_conf_t *cmcf; |
| 449 | |
| 450 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 451 | |
| 611 | 452 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 453 |
| 611 | 454 if (v) { |
| 455 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 456 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 457 |
| 458 } else { | |
| 499 | 459 |
| 573 | 460 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 461 |
| 637 | 462 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 463 return vv; |
| 464 } | |
| 509 | 465 |
| 573 | 466 return NULL; |
| 467 } | |
| 509 | 468 } |
| 469 | |
| 470 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 471 if (vv == NULL) { | |
| 472 return NULL; | |
| 473 } | |
| 474 | |
| 573 | 475 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 476 |
| 577 | 477 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 478 == NGX_OK) | |
| 479 { | |
| 480 return vv; | |
| 481 } | |
| 482 | |
| 483 return NULL; | |
| 484 } | |
| 485 | |
| 486 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 487 | |
| 488 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 489 == NGX_OK) | |
| 573 | 490 { |
| 491 return vv; | |
| 492 } | |
| 499 | 493 |
| 494 return NULL; | |
| 495 } | |
| 496 | |
| 1162 | 497 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 498 | |
| 499 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 500 == NGX_OK) | |
| 501 { | |
| 502 return vv; | |
| 503 } | |
| 504 | |
| 505 return NULL; | |
| 506 } | |
| 507 | |
| 2307 | 508 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 509 | |
|
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510 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 511 return vv; |
| 512 } | |
| 513 | |
| 514 return NULL; | |
| 515 } | |
| 516 | |
| 2137 | 517 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 518 | |
| 519 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 520 return vv; | |
| 521 } | |
| 522 | |
| 523 return NULL; | |
| 524 } | |
| 525 | |
| 635 | 526 vv->not_found = 1; |
| 573 | 527 |
| 635 | 528 if (nowarn == 0) { |
| 529 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 530 "unknown \"%V\" variable", name); | |
| 531 } | |
| 499 | 532 |
| 501 | 533 return vv; |
| 499 | 534 } |
| 535 | |
| 536 | |
| 573 | 537 static ngx_int_t |
| 538 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 539 uintptr_t data) | |
| 540 { | |
| 541 ngx_str_t *s; | |
| 542 | |
| 543 s = (ngx_str_t *) ((char *) r + data); | |
| 544 | |
| 545 if (s->data) { | |
| 546 v->len = s->len; | |
| 547 v->valid = 1; | |
| 1565 | 548 v->no_cacheable = 0; |
| 573 | 549 v->not_found = 0; |
| 550 v->data = s->data; | |
| 551 | |
| 552 } else { | |
| 553 v->not_found = 1; | |
| 554 } | |
| 555 | |
| 556 return NGX_OK; | |
| 557 } | |
| 558 | |
| 559 | |
| 637 | 560 static void |
| 1350 | 561 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 562 ngx_http_variable_value_t *v, uintptr_t data) | |
| 563 { | |
| 564 ngx_str_t *s; | |
| 565 | |
| 566 s = (ngx_str_t *) ((char *) r + data); | |
| 567 | |
| 568 s->len = v->len; | |
| 569 s->data = v->data; | |
| 570 } | |
| 571 | |
| 572 | |
|
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573 static ngx_int_t |
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574 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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575 ngx_http_variable_value_t *v, uintptr_t data) |
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576 { |
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577 size_t *sp; |
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578 |
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579 sp = (size_t *) ((char *) r + data); |
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580 |
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581 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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582 if (v->data == NULL) { |
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583 return NGX_ERROR; |
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584 } |
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585 |
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586 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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587 v->valid = 1; |
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588 v->no_cacheable = 0; |
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589 v->not_found = 0; |
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590 |
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591 return NGX_OK; |
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592 } |
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593 |
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594 |
| 1350 | 595 static void |
| 637 | 596 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 597 ngx_http_variable_value_t *v, uintptr_t data) | |
| 598 { | |
| 599 ssize_t s, *sp; | |
| 600 ngx_str_t val; | |
| 601 | |
|
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602 val.len = v->len; |
| 637 | 603 val.data = v->data; |
| 604 | |
| 605 s = ngx_parse_size(&val); | |
| 606 | |
| 607 if (s == NGX_ERROR) { | |
| 608 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 609 "invalid size \"%V\"", &val); | |
| 610 return; | |
| 611 } | |
| 612 | |
| 613 sp = (ssize_t *) ((char *) r + data); | |
| 614 | |
| 615 *sp = s; | |
| 616 | |
| 617 return; | |
| 618 } | |
| 619 | |
| 620 | |
| 573 | 621 static ngx_int_t |
| 622 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 623 uintptr_t data) | |
| 515 | 624 { |
| 573 | 625 ngx_table_elt_t *h; |
| 626 | |
| 627 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 628 | |
| 629 if (h) { | |
| 630 v->len = h->value.len; | |
| 631 v->valid = 1; | |
| 1565 | 632 v->no_cacheable = 0; |
| 573 | 633 v->not_found = 0; |
| 634 v->data = h->value.data; | |
| 635 | |
| 636 } else { | |
| 637 v->not_found = 1; | |
| 638 } | |
| 639 | |
| 640 return NGX_OK; | |
| 641 } | |
| 642 | |
| 643 | |
| 644 static ngx_int_t | |
| 645 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 646 uintptr_t data) | |
| 647 { | |
| 667 | 648 ssize_t len; |
| 573 | 649 u_char *p; |
| 667 | 650 ngx_uint_t i, n; |
| 573 | 651 ngx_array_t *a; |
| 652 ngx_table_elt_t **h; | |
| 515 | 653 |
| 654 a = (ngx_array_t *) ((char *) r + data); | |
| 655 | |
| 667 | 656 n = a->nelts; |
| 657 | |
| 658 if (n == 0) { | |
| 573 | 659 v->not_found = 1; |
| 660 return NGX_OK; | |
| 515 | 661 } |
| 662 | |
| 573 | 663 v->valid = 1; |
| 1565 | 664 v->no_cacheable = 0; |
| 573 | 665 v->not_found = 0; |
| 515 | 666 |
| 667 h = a->elts; | |
| 668 | |
| 667 | 669 if (n == 1) { |
| 573 | 670 v->len = (*h)->value.len; |
| 671 v->data = (*h)->value.data; | |
| 515 | 672 |
| 573 | 673 return NGX_OK; |
| 515 | 674 } |
| 675 | |
| 667 | 676 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 677 |
| 667 | 678 for (i = 0; i < n; i++) { |
| 573 | 679 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 680 } |
| 681 | |
| 2049 | 682 p = ngx_pnalloc(r->pool, len); |
| 573 | 683 if (p == NULL) { |
| 684 return NGX_ERROR; | |
| 685 } | |
| 686 | |
| 687 v->len = len; | |
| 688 v->data = p; | |
| 515 | 689 |
| 690 for (i = 0; /* void */ ; i++) { | |
| 573 | 691 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 692 |
| 667 | 693 if (i == n - 1) { |
| 515 | 694 break; |
| 695 } | |
| 696 | |
| 697 *p++ = ';'; *p++ = ' '; | |
| 698 } | |
| 699 | |
| 573 | 700 return NGX_OK; |
| 515 | 701 } |
| 702 | |
| 703 | |
| 573 | 704 static ngx_int_t |
| 577 | 705 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 706 ngx_http_variable_value_t *v, uintptr_t data) | |
| 707 { | |
| 708 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 709 &r->headers_in.headers.part, | |
| 710 sizeof("http_") - 1); | |
| 711 } | |
| 712 | |
| 713 | |
| 714 static ngx_int_t | |
| 715 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 716 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 717 { |
| 577 | 718 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 719 &r->headers_out.headers.part, | |
| 720 sizeof("sent_http_") - 1); | |
| 721 } | |
| 501 | 722 |
| 577 | 723 |
| 1162 | 724 ngx_int_t |
| 577 | 725 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 726 ngx_list_part_t *part, size_t prefix) | |
| 727 { | |
| 573 | 728 u_char ch; |
| 729 ngx_uint_t i, n; | |
| 730 ngx_table_elt_t *header; | |
| 499 | 731 |
| 732 header = part->elts; | |
| 733 | |
| 734 for (i = 0; /* void */ ; i++) { | |
| 735 | |
| 736 if (i >= part->nelts) { | |
| 737 if (part->next == NULL) { | |
| 738 break; | |
| 739 } | |
| 740 | |
| 741 part = part->next; | |
| 742 header = part->elts; | |
| 743 i = 0; | |
| 744 } | |
| 745 | |
| 577 | 746 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 747 ch = header[i].key.data[n]; |
| 748 | |
| 509 | 749 if (ch >= 'A' && ch <= 'Z') { |
| 750 ch |= 0x20; | |
| 499 | 751 |
| 752 } else if (ch == '-') { | |
| 753 ch = '_'; | |
| 754 } | |
| 755 | |
| 577 | 756 if (var->data[n + prefix] != ch) { |
| 499 | 757 break; |
| 758 } | |
| 759 } | |
| 760 | |
|
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761 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 762 v->len = header[i].value.len; |
| 763 v->valid = 1; | |
| 1565 | 764 v->no_cacheable = 0; |
| 573 | 765 v->not_found = 0; |
| 766 v->data = header[i].value.data; | |
| 499 | 767 |
| 573 | 768 return NGX_OK; |
| 499 | 769 } |
| 770 } | |
| 771 | |
| 573 | 772 v->not_found = 1; |
| 773 | |
| 774 return NGX_OK; | |
| 509 | 775 } |
| 776 | |
| 777 | |
| 573 | 778 static ngx_int_t |
|
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779 ngx_http_variable_request_line(ngx_http_request_t *r, |
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780 ngx_http_variable_value_t *v, uintptr_t data) |
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781 { |
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782 u_char *p, *s; |
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783 |
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784 s = r->request_line.data; |
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785 |
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786 if (s == NULL) { |
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787 s = r->request_start; |
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788 |
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789 if (s == NULL) { |
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790 v->not_found = 1; |
|
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|
791 return NGX_OK; |
|
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|
792 } |
|
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|
793 |
|
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|
794 for (p = s; p < r->header_in->last; p++) { |
|
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parents:
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|
795 if (*p == CR || *p == LF) { |
|
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|
796 break; |
|
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|
797 } |
|
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|
798 } |
|
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|
799 |
|
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|
800 r->request_line.len = p - s; |
|
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|
801 r->request_line.data = s; |
|
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|
802 } |
|
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|
803 |
|
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|
804 v->len = r->request_line.len; |
|
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|
805 v->valid = 1; |
|
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|
806 v->no_cacheable = 0; |
|
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Igor Sysoev <igor@sysoev.ru>
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|
807 v->not_found = 0; |
|
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|
808 v->data = s; |
|
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diff
changeset
|
809 |
|
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parents:
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diff
changeset
|
810 return NGX_OK; |
|
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parents:
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|
811 } |
|
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parents:
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|
812 |
|
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parents:
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|
813 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
814 static ngx_int_t |
| 2307 | 815 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 816 uintptr_t data) | |
| 817 { | |
| 818 ngx_str_t *name = (ngx_str_t *) data; | |
| 819 | |
| 820 ngx_str_t cookie, s; | |
| 821 | |
| 822 s.len = name->len - (sizeof("cookie_") - 1); | |
| 823 s.data = name->data + sizeof("cookie_") - 1; | |
| 824 | |
| 825 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 826 == NGX_DECLINED) | |
| 827 { | |
| 828 v->not_found = 1; | |
| 829 return NGX_OK; | |
| 830 } | |
| 831 | |
| 832 v->len = cookie.len; | |
| 833 v->valid = 1; | |
| 834 v->no_cacheable = 0; | |
| 835 v->not_found = 0; | |
| 836 v->data = cookie.data; | |
| 837 | |
| 838 return NGX_OK; | |
| 839 } | |
| 840 | |
| 841 | |
| 842 static ngx_int_t | |
| 2137 | 843 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 844 uintptr_t data) | |
| 845 { | |
| 846 ngx_str_t *name = (ngx_str_t *) data; | |
| 847 | |
| 2415 | 848 u_char *arg; |
| 849 size_t len; | |
| 850 ngx_str_t value; | |
| 2137 | 851 |
| 2415 | 852 len = name->len - (sizeof("arg_") - 1); |
| 853 arg = name->data + sizeof("arg_") - 1; | |
| 854 | |
| 855 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 856 v->not_found = 1; |
| 857 return NGX_OK; | |
| 858 } | |
| 859 | |
| 2415 | 860 v->data = value.data; |
| 861 v->len = value.len; | |
| 862 v->valid = 1; | |
| 863 v->no_cacheable = 0; | |
| 864 v->not_found = 0; | |
| 2137 | 865 |
| 866 return NGX_OK; | |
| 867 } | |
| 868 | |
| 869 | |
| 870 static ngx_int_t | |
| 573 | 871 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 872 uintptr_t data) | |
| 509 | 873 { |
| 1811 | 874 ngx_http_core_srv_conf_t *cscf; |
| 875 | |
|
2007
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*) host in request line has priority
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changeset
|
876 if (r->headers_in.server.len) { |
|
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|
877 v->len = r->headers_in.server.len; |
|
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parents:
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changeset
|
878 v->data = r->headers_in.server.data; |
|
928
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fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
879 |
|
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fix segfault when $host is used and
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diff
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|
880 } else { |
|
2007
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parents:
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diff
changeset
|
881 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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|
882 |
|
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|
883 v->len = cscf->server_name.len; |
|
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|
884 v->data = cscf->server_name.data; |
| 509 | 885 } |
| 886 | |
| 573 | 887 v->valid = 1; |
| 1565 | 888 v->no_cacheable = 0; |
| 573 | 889 v->not_found = 0; |
| 509 | 890 |
| 573 | 891 return NGX_OK; |
| 499 | 892 } |
| 893 | |
| 894 | |
| 573 | 895 static ngx_int_t |
|
983
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diff
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|
896 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 897 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 898 { |
|
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|
899 struct sockaddr_in *sin; |
|
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|
900 #if (NGX_HAVE_INET6) |
|
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|
901 struct sockaddr_in6 *sin6; |
|
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|
902 #endif |
| 982 | 903 |
|
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|
904 switch (r->connection->sockaddr->sa_family) { |
|
983
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diff
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|
905 |
|
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|
906 #if (NGX_HAVE_INET6) |
|
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|
907 case AF_INET6: |
|
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diff
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|
908 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 909 |
|
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diff
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|
910 v->len = sizeof(struct in6_addr); |
|
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diff
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|
911 v->valid = 1; |
|
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|
912 v->no_cacheable = 0; |
|
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diff
changeset
|
913 v->not_found = 0; |
|
3268
c6a40c815d45
use sin6_addr.s6_addr instead of "(u_char *) & .sin6_addr"
Igor Sysoev <igor@sysoev.ru>
parents:
3144
diff
changeset
|
914 v->data = sin6->sin6_addr.s6_addr; |
|
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|
915 |
|
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parents:
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diff
changeset
|
916 break; |
|
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diff
changeset
|
917 #endif |
|
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|
918 |
|
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diff
changeset
|
919 default: /* AF_INET */ |
|
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parents:
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diff
changeset
|
920 sin = (struct sockaddr_in *) r->connection->sockaddr; |
|
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diff
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|
921 |
|
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diff
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|
922 v->len = sizeof(in_addr_t); |
|
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diff
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|
923 v->valid = 1; |
|
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parents:
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diff
changeset
|
924 v->no_cacheable = 0; |
|
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diff
changeset
|
925 v->not_found = 0; |
|
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diff
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|
926 v->data = (u_char *) &sin->sin_addr; |
|
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|
927 |
|
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|
928 break; |
|
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|
929 } |
| 982 | 930 |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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parents:
982
diff
changeset
|
931 return NGX_OK; |
|
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parents:
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diff
changeset
|
932 } |
| 982 | 933 |
| 934 | |
|
983
7a8ca436d611
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parents:
982
diff
changeset
|
935 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
936 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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parents:
982
diff
changeset
|
937 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
938 { |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
939 v->len = r->connection->addr_text.len; |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
940 v->valid = 1; |
| 1565 | 941 v->no_cacheable = 0; |
|
983
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
942 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
943 v->data = r->connection->addr_text.data; |
| 499 | 944 |
| 573 | 945 return NGX_OK; |
| 499 | 946 } |
| 947 | |
| 948 | |
| 573 | 949 static ngx_int_t |
| 950 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 951 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 952 { |
|
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changeset
|
953 ngx_uint_t port; |
|
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parents:
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|
954 struct sockaddr_in *sin; |
|
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|
955 #if (NGX_HAVE_INET6) |
|
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|
956 struct sockaddr_in6 *sin6; |
|
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|
957 #endif |
| 509 | 958 |
| 573 | 959 v->len = 0; |
| 960 v->valid = 1; | |
| 1565 | 961 v->no_cacheable = 0; |
| 573 | 962 v->not_found = 0; |
| 509 | 963 |
| 2049 | 964 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 965 if (v->data == NULL) { |
| 966 return NGX_ERROR; | |
| 509 | 967 } |
| 968 | |
|
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|
969 switch (r->connection->sockaddr->sa_family) { |
| 577 | 970 |
|
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|
971 #if (NGX_HAVE_INET6) |
|
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|
972 case AF_INET6: |
|
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|
973 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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diff
changeset
|
974 port = ntohs(sin6->sin6_port); |
|
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|
975 break; |
|
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changeset
|
976 #endif |
| 577 | 977 |
|
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|
978 default: /* AF_INET */ |
|
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parents:
2485
diff
changeset
|
979 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 980 port = ntohs(sin->sin_port); |
|
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diff
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|
981 break; |
|
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changeset
|
982 } |
| 577 | 983 |
|
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|
984 if (port > 0 && port < 65536) { |
|
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changeset
|
985 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 986 } |
| 987 | |
| 573 | 988 return NGX_OK; |
| 509 | 989 } |
| 990 | |
| 991 | |
| 573 | 992 static ngx_int_t |
| 993 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 994 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 995 { |
| 1805 | 996 ngx_str_t s; |
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997 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 998 |
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999 s.len = NGX_SOCKADDR_STRLEN; |
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1000 s.data = addr; |
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1001 |
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1002 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1003 return NGX_ERROR; |
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1004 } |
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1005 |
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1006 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 1007 if (s.data == NULL) { |
| 573 | 1008 return NGX_ERROR; |
| 509 | 1009 } |
| 1010 | |
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1011 ngx_memcpy(s.data, addr, s.len); |
| 509 | 1012 |
| 1805 | 1013 v->len = s.len; |
| 573 | 1014 v->valid = 1; |
| 1565 | 1015 v->no_cacheable = 0; |
| 573 | 1016 v->not_found = 0; |
| 1805 | 1017 v->data = s.data; |
| 499 | 1018 |
| 573 | 1019 return NGX_OK; |
| 499 | 1020 } |
| 1021 | |
| 1022 | |
| 573 | 1023 static ngx_int_t |
| 1024 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1025 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1026 { |
| 2533 | 1027 ngx_uint_t port; |
| 1028 struct sockaddr_in *sin; | |
| 1029 #if (NGX_HAVE_INET6) | |
| 1030 struct sockaddr_in6 *sin6; | |
| 1031 #endif | |
| 1032 | |
| 1033 v->len = 0; | |
| 573 | 1034 v->valid = 1; |
| 1565 | 1035 v->no_cacheable = 0; |
| 573 | 1036 v->not_found = 0; |
| 2533 | 1037 |
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1038 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1039 return NGX_ERROR; |
| 1040 } | |
| 1041 | |
| 1042 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1043 if (v->data == NULL) { | |
| 1044 return NGX_ERROR; | |
| 1045 } | |
| 1046 | |
| 1047 switch (r->connection->local_sockaddr->sa_family) { | |
| 1048 | |
| 1049 #if (NGX_HAVE_INET6) | |
| 1050 case AF_INET6: | |
| 1051 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1052 port = ntohs(sin6->sin6_port); | |
| 1053 break; | |
| 1054 #endif | |
| 1055 | |
| 1056 default: /* AF_INET */ | |
| 1057 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1058 port = ntohs(sin->sin_port); | |
| 1059 break; | |
| 1060 } | |
| 1061 | |
| 1062 if (port > 0 && port < 65536) { | |
| 1063 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1064 } | |
| 509 | 1065 |
| 573 | 1066 return NGX_OK; |
| 509 | 1067 } |
| 1068 | |
| 1069 | |
| 573 | 1070 static ngx_int_t |
| 731 | 1071 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1072 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1073 { | |
| 1074 #if (NGX_HTTP_SSL) | |
| 1075 | |
| 1076 if (r->connection->ssl) { | |
| 1077 v->len = sizeof("https") - 1; | |
| 1078 v->valid = 1; | |
| 1565 | 1079 v->no_cacheable = 0; |
| 731 | 1080 v->not_found = 0; |
| 732 | 1081 v->data = (u_char *) "https"; |
| 731 | 1082 |
| 1083 return NGX_OK; | |
| 1084 } | |
| 1085 | |
| 1086 #endif | |
| 1087 | |
| 1088 v->len = sizeof("http") - 1; | |
| 1089 v->valid = 1; | |
| 1565 | 1090 v->no_cacheable = 0; |
| 731 | 1091 v->not_found = 0; |
| 732 | 1092 v->data = (u_char *) "http"; |
| 731 | 1093 |
| 1094 return NGX_OK; | |
| 1095 } | |
| 1096 | |
| 1097 | |
| 1098 static ngx_int_t | |
| 1351 | 1099 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1100 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1101 { | |
| 1102 v->valid = 1; | |
| 1565 | 1103 v->no_cacheable = 0; |
| 1351 | 1104 v->not_found = 0; |
| 1105 | |
| 1106 if (r->args.len == 0) { | |
| 1107 v->len = 0; | |
| 1108 v->data = NULL; | |
| 1109 return NGX_OK; | |
| 1110 } | |
| 1111 | |
| 1112 v->len = 1; | |
| 1113 v->data = (u_char *) "?"; | |
| 1114 | |
| 1115 return NGX_OK; | |
| 1116 } | |
| 1117 | |
| 1118 | |
| 1119 static ngx_int_t | |
| 573 | 1120 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1121 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1122 { |
| 671 | 1123 ngx_str_t path; |
| 573 | 1124 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1125 |
| 1126 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1127 | |
| 671 | 1128 if (clcf->root_lengths == NULL) { |
| 1129 v->len = clcf->root.len; | |
| 1130 v->valid = 1; | |
| 1565 | 1131 v->no_cacheable = 0; |
| 671 | 1132 v->not_found = 0; |
| 1133 v->data = clcf->root.data; | |
| 1134 | |
| 1135 } else { | |
| 1136 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1137 clcf->root_values->elts) | |
| 1138 == NULL) | |
| 1139 { | |
| 1140 return NGX_ERROR; | |
| 1141 } | |
| 1142 | |
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1143 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1144 return NGX_ERROR; |
| 1145 } | |
| 1146 | |
| 1147 v->len = path.len; | |
| 1148 v->valid = 1; | |
| 1565 | 1149 v->no_cacheable = 0; |
| 671 | 1150 v->not_found = 0; |
| 1151 v->data = path.data; | |
| 1152 } | |
| 509 | 1153 |
| 573 | 1154 return NGX_OK; |
| 509 | 1155 } |
| 1156 | |
| 1157 | |
| 573 | 1158 static ngx_int_t |
| 2259 | 1159 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1160 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1161 { | |
| 1162 size_t len; | |
| 1163 ngx_str_t path; | |
| 1164 ngx_http_core_loc_conf_t *clcf; | |
| 1165 u_char real[NGX_MAX_PATH]; | |
| 1166 | |
| 1167 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1168 | |
| 1169 if (clcf->root_lengths == NULL) { | |
| 1170 path = clcf->root; | |
| 1171 | |
| 1172 } else { | |
| 1173 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1174 clcf->root_values->elts) | |
| 1175 == NULL) | |
| 1176 { | |
| 1177 return NGX_ERROR; | |
| 1178 } | |
| 1179 | |
| 1180 path.data[path.len - 1] = '\0'; | |
| 1181 | |
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1182 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1183 return NGX_ERROR; |
| 1184 } | |
| 1185 } | |
| 1186 | |
| 1187 if (ngx_realpath(path.data, real) == NULL) { | |
| 1188 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1189 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1190 return NGX_ERROR; | |
| 1191 } | |
| 1192 | |
| 1193 len = ngx_strlen(real); | |
| 1194 | |
| 1195 v->data = ngx_pnalloc(r->pool, len); | |
| 1196 if (v->data == NULL) { | |
| 1197 return NGX_ERROR; | |
| 1198 } | |
| 1199 | |
| 1200 v->len = len; | |
| 1201 v->valid = 1; | |
| 1202 v->no_cacheable = 0; | |
| 1203 v->not_found = 0; | |
| 1204 | |
| 1205 ngx_memcpy(v->data, real, len); | |
| 1206 | |
| 1207 return NGX_OK; | |
| 1208 } | |
| 1209 | |
| 1210 | |
| 1211 static ngx_int_t | |
| 573 | 1212 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1213 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1214 { |
| 773 | 1215 size_t root; |
| 573 | 1216 ngx_str_t path; |
| 499 | 1217 |
| 773 | 1218 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1219 return NGX_ERROR; |
| 557 | 1220 } |
| 509 | 1221 |
| 557 | 1222 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1223 |
| 573 | 1224 v->len = path.len - 1; |
| 1225 v->valid = 1; | |
| 1565 | 1226 v->no_cacheable = 0; |
| 573 | 1227 v->not_found = 0; |
| 1228 v->data = path.data; | |
| 499 | 1229 |
| 573 | 1230 return NGX_OK; |
| 499 | 1231 } |
| 1232 | |
| 1233 | |
| 573 | 1234 static ngx_int_t |
| 1811 | 1235 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1236 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1237 { | |
| 1238 ngx_http_core_srv_conf_t *cscf; | |
| 1239 | |
| 1240 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1241 | |
| 1242 v->len = cscf->server_name.len; | |
| 1243 v->valid = 1; | |
| 1244 v->no_cacheable = 0; | |
| 1245 v->not_found = 0; | |
| 1246 v->data = cscf->server_name.data; | |
| 1247 | |
| 1248 return NGX_OK; | |
| 1249 } | |
| 1250 | |
| 1251 | |
| 1252 static ngx_int_t | |
| 573 | 1253 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1254 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1255 { |
| 647 | 1256 if (r->main->method_name.data) { |
| 1257 v->len = r->main->method_name.len; | |
| 573 | 1258 v->valid = 1; |
| 1565 | 1259 v->no_cacheable = 0; |
| 573 | 1260 v->not_found = 0; |
| 647 | 1261 v->data = r->main->method_name.data; |
| 573 | 1262 |
| 1263 } else { | |
| 1264 v->not_found = 1; | |
| 561 | 1265 } |
| 1266 | |
| 573 | 1267 return NGX_OK; |
| 561 | 1268 } |
| 1269 | |
| 1270 | |
| 573 | 1271 static ngx_int_t |
| 1272 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1273 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1274 { |
| 573 | 1275 ngx_int_t rc; |
| 539 | 1276 |
| 1277 rc = ngx_http_auth_basic_user(r); | |
| 1278 | |
| 1279 if (rc == NGX_DECLINED) { | |
| 573 | 1280 v->not_found = 1; |
| 1281 return NGX_OK; | |
| 539 | 1282 } |
| 1283 | |
| 1284 if (rc == NGX_ERROR) { | |
| 573 | 1285 return NGX_ERROR; |
| 539 | 1286 } |
| 1287 | |
| 573 | 1288 v->len = r->headers_in.user.len; |
| 1289 v->valid = 1; | |
| 1565 | 1290 v->no_cacheable = 0; |
| 573 | 1291 v->not_found = 0; |
| 1292 v->data = r->headers_in.user.data; | |
| 571 | 1293 |
| 573 | 1294 return NGX_OK; |
| 571 | 1295 } |
| 1296 | |
| 1297 | |
| 611 | 1298 static ngx_int_t |
| 1299 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1300 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1301 { | |
| 1302 off_t sent; | |
| 1303 u_char *p; | |
| 1304 | |
| 1305 sent = r->connection->sent - r->header_size; | |
| 1306 | |
| 1307 if (sent < 0) { | |
| 1308 sent = 0; | |
| 1309 } | |
| 1310 | |
| 2049 | 1311 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1312 if (p == NULL) { |
| 1313 return NGX_ERROR; | |
| 1314 } | |
| 1315 | |
| 1316 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1317 v->valid = 1; | |
| 1565 | 1318 v->no_cacheable = 0; |
| 611 | 1319 v->not_found = 0; |
| 1320 v->data = p; | |
| 1321 | |
| 1322 return NGX_OK; | |
| 1323 } | |
| 1324 | |
| 1325 | |
| 629 | 1326 static ngx_int_t |
| 641 | 1327 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1328 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1329 { | |
| 1330 if (r->headers_out.content_type.len) { | |
| 1331 v->len = r->headers_out.content_type.len; | |
| 1332 v->valid = 1; | |
| 1565 | 1333 v->no_cacheable = 0; |
| 641 | 1334 v->not_found = 0; |
| 1335 v->data = r->headers_out.content_type.data; | |
| 1336 | |
| 1337 } else { | |
| 1338 v->not_found = 1; | |
| 1339 } | |
| 1340 | |
| 1341 return NGX_OK; | |
| 1342 } | |
| 1343 | |
| 1344 | |
| 1345 static ngx_int_t | |
| 1346 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1347 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1348 { | |
| 1349 u_char *p; | |
| 1350 | |
| 1351 if (r->headers_out.content_length) { | |
| 1352 v->len = r->headers_out.content_length->value.len; | |
| 1353 v->valid = 1; | |
| 1565 | 1354 v->no_cacheable = 0; |
| 641 | 1355 v->not_found = 0; |
| 1356 v->data = r->headers_out.content_length->value.data; | |
| 1357 | |
| 1358 return NGX_OK; | |
| 1359 } | |
| 1360 | |
| 1361 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1362 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1363 if (p == NULL) { |
| 1364 return NGX_ERROR; | |
| 1365 } | |
| 1366 | |
| 1367 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1368 v->valid = 1; | |
| 1565 | 1369 v->no_cacheable = 0; |
| 641 | 1370 v->not_found = 0; |
| 1371 v->data = p; | |
| 1372 | |
| 1373 return NGX_OK; | |
| 1374 } | |
| 1375 | |
| 1376 v->not_found = 1; | |
| 1377 | |
| 1378 return NGX_OK; | |
| 1379 } | |
| 1380 | |
| 1381 | |
| 1382 static ngx_int_t | |
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1383 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1384 ngx_http_variable_value_t *v, uintptr_t data) |
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1385 { |
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1386 ngx_str_t name; |
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1387 |
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1388 if (r->headers_out.location) { |
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1389 v->len = r->headers_out.location->value.len; |
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1390 v->valid = 1; |
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1391 v->no_cacheable = 0; |
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1392 v->not_found = 0; |
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1393 v->data = r->headers_out.location->value.data; |
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1394 |
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1395 return NGX_OK; |
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1396 } |
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1397 |
|
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1398 name.len = sizeof("sent_http_location") - 1; |
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1399 name.data = (u_char *) "sent_http_location"; |
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1400 |
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1401 return ngx_http_variable_unknown_header(v, &name, |
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1402 &r->headers_out.headers.part, |
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1403 sizeof("sent_http_") - 1); |
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1404 } |
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1405 |
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1406 |
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1407 static ngx_int_t |
| 641 | 1408 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1409 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1410 { | |
| 1411 u_char *p; | |
| 1412 | |
| 1413 if (r->headers_out.last_modified) { | |
| 1414 v->len = r->headers_out.last_modified->value.len; | |
| 1415 v->valid = 1; | |
| 1565 | 1416 v->no_cacheable = 0; |
| 641 | 1417 v->not_found = 0; |
| 1418 v->data = r->headers_out.last_modified->value.data; | |
| 1419 | |
| 1420 return NGX_OK; | |
| 1421 } | |
| 1422 | |
| 1423 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1424 p = ngx_pnalloc(r->pool, |
| 641 | 1425 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1426 if (p == NULL) { | |
| 1427 return NGX_ERROR; | |
| 1428 } | |
| 1429 | |
| 1430 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1431 v->valid = 1; | |
| 1565 | 1432 v->no_cacheable = 0; |
| 641 | 1433 v->not_found = 0; |
| 1434 v->data = p; | |
| 1435 | |
| 1436 return NGX_OK; | |
| 1437 } | |
| 1438 | |
| 1439 v->not_found = 1; | |
| 1440 | |
| 1441 return NGX_OK; | |
| 1442 } | |
| 1443 | |
| 1444 | |
| 1445 static ngx_int_t | |
| 1446 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1447 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1448 { | |
| 1449 size_t len; | |
| 1450 char *p; | |
| 1451 | |
| 1452 if (r->keepalive) { | |
| 1453 len = sizeof("keep-alive") - 1; | |
| 1454 p = "keep-alive"; | |
| 1455 | |
| 1456 } else { | |
| 1457 len = sizeof("close") - 1; | |
| 1458 p = "close"; | |
| 1459 } | |
| 1460 | |
| 1461 v->len = len; | |
| 1462 v->valid = 1; | |
| 1565 | 1463 v->no_cacheable = 0; |
| 641 | 1464 v->not_found = 0; |
| 1465 v->data = (u_char *) p; | |
| 1466 | |
| 1467 return NGX_OK; | |
| 1468 } | |
| 1469 | |
| 1470 | |
| 1471 static ngx_int_t | |
| 1472 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1473 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1474 { | |
| 1475 u_char *p; | |
| 1476 ngx_http_core_loc_conf_t *clcf; | |
| 1477 | |
| 1478 if (r->keepalive) { | |
| 1479 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1480 | |
| 1481 if (clcf->keepalive_header) { | |
| 1482 | |
| 2049 | 1483 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1484 if (p == NULL) { |
| 1485 return NGX_ERROR; | |
| 1486 } | |
| 1487 | |
| 1488 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1489 v->valid = 1; | |
| 1565 | 1490 v->no_cacheable = 0; |
| 641 | 1491 v->not_found = 0; |
| 1492 v->data = p; | |
| 1493 | |
| 1494 return NGX_OK; | |
| 1495 } | |
| 1496 } | |
| 1497 | |
| 1498 v->not_found = 1; | |
| 1499 | |
| 1500 return NGX_OK; | |
| 1501 } | |
| 1502 | |
| 1503 | |
| 1504 static ngx_int_t | |
| 1505 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1506 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1507 { | |
| 1508 if (r->chunked) { | |
| 1509 v->len = sizeof("chunked") - 1; | |
| 1510 v->valid = 1; | |
| 1565 | 1511 v->no_cacheable = 0; |
| 641 | 1512 v->not_found = 0; |
| 1513 v->data = (u_char *) "chunked"; | |
| 1514 | |
| 1515 } else { | |
| 1516 v->not_found = 1; | |
| 1517 } | |
| 1518 | |
| 1519 return NGX_OK; | |
| 1520 } | |
| 1521 | |
| 1522 | |
| 1523 static ngx_int_t | |
| 629 | 1524 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1525 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1526 { | |
| 1527 if (r->request_complete) { | |
| 1528 v->len = 2; | |
| 1529 v->valid = 1; | |
| 1565 | 1530 v->no_cacheable = 0; |
| 629 | 1531 v->not_found = 0; |
| 1532 v->data = (u_char *) "OK"; | |
| 1533 | |
| 1534 return NGX_OK; | |
| 1535 } | |
| 1536 | |
| 1537 v->len = 0; | |
| 1538 v->valid = 1; | |
| 1565 | 1539 v->no_cacheable = 0; |
| 629 | 1540 v->not_found = 0; |
| 1541 v->data = (u_char *) ""; | |
| 1542 | |
| 1543 return NGX_OK; | |
| 1544 } | |
| 1545 | |
| 1546 | |
| 759 | 1547 static ngx_int_t |
| 2844 | 1548 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1549 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1550 { | |
| 1551 u_char *p; | |
| 1552 size_t len; | |
| 1553 ngx_buf_t *buf, *next; | |
| 1554 ngx_chain_t *cl; | |
| 1555 | |
|
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1556 if (r->request_body == NULL |
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1557 || r->request_body->bufs == NULL |
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1558 || r->request_body->temp_file) |
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1559 { |
| 2844 | 1560 v->not_found = 1; |
| 1561 | |
| 1562 return NGX_OK; | |
| 1563 } | |
| 1564 | |
| 1565 cl = r->request_body->bufs; | |
| 1566 buf = cl->buf; | |
| 1567 | |
| 1568 if (cl->next == NULL) { | |
| 1569 v->len = buf->last - buf->pos; | |
| 1570 v->valid = 1; | |
| 1571 v->no_cacheable = 0; | |
| 1572 v->not_found = 0; | |
| 1573 v->data = buf->pos; | |
| 1574 | |
| 1575 return NGX_OK; | |
| 1576 } | |
| 1577 | |
| 1578 next = cl->next->buf; | |
| 1579 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1580 | |
| 1581 p = ngx_pnalloc(r->pool, len); | |
| 1582 if (p == NULL) { | |
| 1583 return NGX_ERROR; | |
| 1584 } | |
| 1585 | |
| 1586 v->data = p; | |
| 1587 | |
| 1588 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1589 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1590 | |
| 1591 v->len = len; | |
| 1592 v->valid = 1; | |
| 1593 v->no_cacheable = 0; | |
| 1594 v->not_found = 0; | |
| 1595 | |
| 1596 return NGX_OK; | |
| 1597 } | |
| 1598 | |
| 1599 | |
| 1600 static ngx_int_t | |
| 759 | 1601 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1602 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1603 { | |
| 1604 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
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1605 v->not_found = 1; |
| 759 | 1606 |
| 1607 return NGX_OK; | |
| 1608 } | |
| 1609 | |
| 1610 v->len = r->request_body->temp_file->file.name.len; | |
| 1611 v->valid = 1; | |
| 1565 | 1612 v->no_cacheable = 0; |
| 759 | 1613 v->not_found = 0; |
| 1614 v->data = r->request_body->temp_file->file.name.data; | |
| 1615 | |
| 1616 return NGX_OK; | |
| 1617 } | |
| 1618 | |
| 1619 | |
| 1329 | 1620 static ngx_int_t |
| 1621 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1622 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1623 { | |
| 1624 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1625 v->valid = 1; | |
| 1565 | 1626 v->no_cacheable = 0; |
| 1329 | 1627 v->not_found = 0; |
| 1628 v->data = (u_char *) NGINX_VERSION; | |
| 1629 | |
| 1630 return NGX_OK; | |
| 1631 } | |
| 1632 | |
| 1633 | |
| 2011 | 1634 static ngx_int_t |
| 1635 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1636 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1637 { | |
| 1638 v->len = ngx_cycle->hostname.len; | |
| 1639 v->valid = 1; | |
| 1640 v->no_cacheable = 0; | |
| 1641 v->not_found = 0; | |
| 1642 v->data = ngx_cycle->hostname.data; | |
| 1643 | |
| 1644 return NGX_OK; | |
| 1645 } | |
| 1646 | |
| 1647 | |
| 2249 | 1648 static ngx_int_t |
| 1649 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1650 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1651 { | |
| 1652 u_char *p; | |
| 1653 | |
| 1654 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1655 if (p == NULL) { | |
| 1656 return NGX_ERROR; | |
| 1657 } | |
| 1658 | |
| 1659 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1660 v->valid = 1; | |
| 1661 v->no_cacheable = 0; | |
| 1662 v->not_found = 0; | |
| 1663 v->data = p; | |
| 1664 | |
| 1665 return NGX_OK; | |
| 1666 } | |
| 1667 | |
| 1668 | |
| 3325 | 1669 static ngx_int_t |
| 1670 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 1671 uintptr_t data) | |
| 1672 { | |
| 1673 v->not_found = 1; | |
| 1674 return NGX_OK; | |
| 1675 } | |
| 1676 | |
| 1677 | |
| 1678 ngx_http_regex_t * | |
| 1679 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 1680 { | |
| 1681 u_char *p; | |
| 1682 size_t size; | |
| 1683 ngx_str_t name; | |
| 1684 ngx_uint_t i, n; | |
| 1685 ngx_http_variable_t *v; | |
| 1686 ngx_http_regex_t *re; | |
| 1687 ngx_http_regex_variable_t *rv; | |
| 1688 ngx_http_core_main_conf_t *cmcf; | |
| 1689 | |
| 1690 rc->pool = cf->pool; | |
| 1691 | |
| 1692 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 1693 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 1694 return NULL; | |
| 1695 } | |
| 1696 | |
| 1697 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
| 1698 if (re == NULL) { | |
| 1699 return NULL; | |
| 1700 } | |
| 1701 | |
| 1702 re->regex = rc->regex; | |
| 1703 re->ncaptures = rc->captures; | |
| 1704 | |
| 1705 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1706 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 1707 | |
| 1708 n = (ngx_uint_t) rc->named_captures; | |
| 1709 | |
| 1710 if (n == 0) { | |
| 1711 return re; | |
| 1712 } | |
| 1713 | |
| 1714 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
| 1715 if (rv == NULL) { | |
| 1716 return NULL; | |
| 1717 } | |
| 1718 | |
| 1719 re->variables = rv; | |
| 1720 re->nvariables = n; | |
| 1721 re->name = rc->pattern; | |
| 1722 | |
| 1723 size = rc->name_size; | |
| 1724 p = rc->names; | |
| 1725 | |
| 1726 for (i = 0; i < n; i++) { | |
| 1727 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 1728 | |
| 1729 name.data = &p[2]; | |
| 1730 name.len = ngx_strlen(name.data); | |
| 1731 | |
| 1732 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 1733 if (v == NULL) { | |
| 1734 return NULL; | |
| 1735 } | |
| 1736 | |
| 1737 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
| 1738 if (rv[i].index == NGX_ERROR) { | |
| 1739 return NULL; | |
| 1740 } | |
| 1741 | |
| 1742 v->get_handler = ngx_http_variable_not_found; | |
| 1743 | |
| 1744 p += i + size; | |
| 1745 } | |
| 1746 | |
| 1747 return re; | |
| 1748 } | |
| 1749 | |
| 1750 | |
| 1751 ngx_int_t | |
| 1752 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
| 1753 { | |
| 1754 ngx_int_t rc, index; | |
| 1755 ngx_uint_t i, n, len; | |
| 1756 ngx_http_variable_value_t *vv; | |
| 1757 ngx_http_core_main_conf_t *cmcf; | |
| 1758 | |
| 1759 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1760 | |
| 1761 if (re->ncaptures) { | |
| 1762 len = (cmcf->ncaptures + 1) * 3; | |
| 1763 | |
| 1764 if (r->captures == NULL) { | |
| 1765 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
| 1766 if (r->captures == NULL) { | |
| 1767 return NGX_ERROR; | |
| 1768 } | |
| 1769 } | |
| 1770 | |
| 1771 } else { | |
| 1772 len = 0; | |
| 1773 } | |
| 1774 | |
| 1775 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
| 1776 | |
| 1777 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 1778 return NGX_DECLINED; | |
| 1779 } | |
| 1780 | |
| 1781 if (rc < 0) { | |
| 1782 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 1783 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 1784 rc, s, &re->name); | |
| 1785 return NGX_ERROR; | |
| 1786 } | |
| 1787 | |
| 1788 for (i = 0; i < re->nvariables; i++) { | |
| 1789 | |
| 1790 n = re->variables[i].capture; | |
| 1791 index = re->variables[i].index; | |
| 1792 vv = &r->variables[index]; | |
| 1793 | |
| 1794 vv->len = r->captures[n + 1] - r->captures[n]; | |
| 1795 vv->valid = 1; | |
| 1796 vv->no_cacheable = 0; | |
| 1797 vv->not_found = 0; | |
| 1798 vv->data = &s->data[r->captures[n]]; | |
| 1799 | |
| 1800 #if (NGX_DEBUG) | |
| 1801 { | |
| 1802 ngx_http_variable_t *v; | |
| 1803 | |
| 1804 v = cmcf->variables.elts; | |
| 1805 | |
| 1806 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1807 "http regex set $%V to \"%*s\"", | |
| 1808 &v[index].name, vv->len, vv->data); | |
| 1809 } | |
| 1810 #endif | |
| 1811 } | |
| 1812 | |
| 1813 r->ncaptures = len; | |
| 1814 r->captures_data = s->data; | |
| 1815 | |
| 1816 return NGX_OK; | |
| 1817 } | |
| 1818 | |
| 1819 | |
| 499 | 1820 ngx_int_t |
| 509 | 1821 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1822 { |
| 611 | 1823 ngx_int_t rc; |
| 1824 ngx_http_variable_t *v; | |
| 501 | 1825 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1826 |
| 509 | 1827 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1828 | |
| 611 | 1829 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1830 sizeof(ngx_hash_keys_arrays_t)); | |
| 1831 if (cmcf->variables_keys == NULL) { | |
| 1832 return NGX_ERROR; | |
| 1833 } | |
| 1834 | |
| 1835 cmcf->variables_keys->pool = cf->pool; | |
| 1836 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1837 | |
| 1838 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1839 != NGX_OK) | |
| 509 | 1840 { |
| 499 | 1841 return NGX_ERROR; |
| 1842 } | |
| 1843 | |
| 611 | 1844 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1845 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1846 NGX_HASH_READONLY_KEY); | |
| 1847 | |
| 1848 if (rc == NGX_OK) { | |
| 1849 continue; | |
| 499 | 1850 } |
| 1851 | |
| 611 | 1852 if (rc == NGX_BUSY) { |
| 1853 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1854 "conflicting variable name \"%V\"", &v->name); | |
| 1855 } | |
| 1856 | |
| 1857 return NGX_ERROR; | |
| 499 | 1858 } |
| 1859 | |
| 1860 return NGX_OK; | |
| 1861 } | |
| 509 | 1862 |
| 1863 | |
| 1864 ngx_int_t | |
| 1865 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1866 { | |
| 1867 ngx_uint_t i, n; | |
| 611 | 1868 ngx_hash_key_t *key; |
| 1869 ngx_hash_init_t hash; | |
| 509 | 1870 ngx_http_variable_t *v, *av; |
| 1871 ngx_http_core_main_conf_t *cmcf; | |
| 1872 | |
| 1873 /* set the handlers for the indexed http variables */ | |
| 1874 | |
| 1875 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1876 | |
| 1877 v = cmcf->variables.elts; | |
| 611 | 1878 key = cmcf->variables_keys->keys.elts; |
| 509 | 1879 |
| 1880 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1881 | |
| 611 | 1882 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1883 |
|
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1884 av = key[n].value; |
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1885 |
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1886 if (av->get_handler |
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1887 && v[i].name.len == key[n].key.len |
| 611 | 1888 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1889 == 0) |
| 1890 { | |
| 637 | 1891 v[i].get_handler = av->get_handler; |
| 611 | 1892 v[i].data = av->data; |
| 527 | 1893 |
| 611 | 1894 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1895 v[i].flags = av->flags; | |
| 509 | 1896 |
| 611 | 1897 av->index = i; |
| 533 | 1898 |
| 509 | 1899 goto next; |
| 1900 } | |
| 1901 } | |
| 1902 | |
| 1903 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1904 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1905 v[i].data = (uintptr_t) &v[i].name; |
| 1906 | |
| 1907 continue; | |
| 1908 } | |
| 1909 | |
| 1910 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1911 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1912 v[i].data = (uintptr_t) &v[i].name; |
| 1913 | |
| 1914 continue; | |
| 1915 } | |
| 1916 | |
| 1162 | 1917 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1918 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1919 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1920 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1921 |
| 1922 continue; | |
| 1923 } | |
| 1924 | |
| 2307 | 1925 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1926 v[i].get_handler = ngx_http_variable_cookie; | |
| 1927 v[i].data = (uintptr_t) &v[i].name; | |
| 1928 | |
| 1929 continue; | |
| 1930 } | |
| 1931 | |
| 2137 | 1932 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1933 v[i].get_handler = ngx_http_variable_argument; | |
| 1934 v[i].data = (uintptr_t) &v[i].name; | |
| 1935 | |
| 1936 continue; | |
| 1937 } | |
| 1938 | |
| 509 | 1939 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1940 "unknown \"%V\" variable", &v[i].name); | |
| 1941 | |
| 1942 return NGX_ERROR; | |
| 1943 | |
| 1944 next: | |
| 1945 continue; | |
| 1946 } | |
| 1947 | |
| 1948 | |
| 611 | 1949 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1950 av = key[n].value; | |
| 1951 | |
| 1952 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1953 key[n].key.data = NULL; | |
| 583 | 1954 } |
| 1955 } | |
| 1956 | |
| 1957 | |
| 611 | 1958 hash.hash = &cmcf->variables_hash; |
| 1959 hash.key = ngx_hash_key; | |
| 1960 hash.max_size = cmcf->variables_hash_max_size; | |
| 1961 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1962 hash.name = "variables_hash"; | |
| 1963 hash.pool = cf->pool; | |
| 1964 hash.temp_pool = NULL; | |
| 509 | 1965 |
| 611 | 1966 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1967 cmcf->variables_keys->keys.nelts) | |
| 581 | 1968 != NGX_OK) |
| 509 | 1969 { |
| 1970 return NGX_ERROR; | |
| 1971 } | |
| 1972 | |
| 611 | 1973 cmcf->variables_keys = NULL; |
| 509 | 1974 |
| 1975 return NGX_OK; | |
| 1976 } | |
|
2333
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1977 |
|
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1978 |
|
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|
1979 void |
|
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1980 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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1981 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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1982 { |
|
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1983 ngx_rbtree_node_t **p; |
|
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1984 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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1985 |
|
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1986 for ( ;; ) { |
|
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1987 |
|
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1988 vvn = (ngx_http_variable_value_node_t *) node; |
|
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1989 vvt = (ngx_http_variable_value_node_t *) temp; |
|
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1990 |
|
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1991 if (node->key != temp->key) { |
|
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1992 |
|
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1993 p = (node->key < temp->key) ? &temp->left : &temp->right; |
|
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1994 |
|
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1995 } else if (vvn->len != vvt->len) { |
|
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1996 |
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1997 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
|
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1998 |
|
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1999 } else { |
|
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2000 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
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2001 ? &temp->left : &temp->right; |
|
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|
2002 } |
|
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diff
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|
2003 |
|
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|
2004 if (*p == sentinel) { |
|
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|
2005 break; |
|
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|
2006 } |
|
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|
2007 |
|
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|
2008 temp = *p; |
|
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diff
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|
2009 } |
|
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diff
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|
2010 |
|
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diff
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|
2011 *p = node; |
|
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|
2012 node->parent = temp; |
|
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|
2013 node->left = sentinel; |
|
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|
2014 node->right = sentinel; |
|
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|
2015 ngx_rbt_red(node); |
|
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|
2016 } |
|
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|
2017 |
|
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|
2018 |
|
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|
2019 ngx_http_variable_value_t * |
|
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|
2020 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
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|
2021 uint32_t hash) |
|
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|
2022 { |
|
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|
2023 ngx_int_t rc; |
|
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|
2024 ngx_rbtree_node_t *node, *sentinel; |
|
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|
2025 ngx_http_variable_value_node_t *vvn; |
|
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|
2026 |
|
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|
2027 node = rbtree->root; |
|
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|
2028 sentinel = rbtree->sentinel; |
|
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|
2029 |
|
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|
2030 while (node != sentinel) { |
|
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|
2031 |
|
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|
2032 vvn = (ngx_http_variable_value_node_t *) node; |
|
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|
2033 |
|
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|
2034 if (hash != node->key) { |
|
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|
2035 node = (hash < node->key) ? node->left : node->right; |
|
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|
2036 continue; |
|
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diff
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|
2037 } |
|
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|
2038 |
|
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|
2039 if (val->len != vvn->len) { |
|
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|
2040 node = (val->len < vvn->len) ? node->left : node->right; |
|
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diff
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|
2041 continue; |
|
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parents:
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diff
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|
2042 } |
|
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diff
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|
2043 |
|
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changeset
|
2044 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
|
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|
2045 |
|
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|
2046 if (rc < 0) { |
|
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|
2047 node = node->left; |
|
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|
2048 continue; |
|
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changeset
|
2049 } |
|
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changeset
|
2050 |
|
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changeset
|
2051 if (rc > 0) { |
|
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|
2052 node = node->right; |
|
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|
2053 continue; |
|
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parents:
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diff
changeset
|
2054 } |
|
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parents:
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changeset
|
2055 |
|
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diff
changeset
|
2056 return vvn->value; |
|
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changeset
|
2057 } |
|
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parents:
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changeset
|
2058 |
|
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parents:
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|
2059 return NULL; |
|
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changeset
|
2060 } |