Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 3929:fa4612bfb9fa
change ngx_http_map_find(): use case sensitive regexes
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 30 May 2011 12:36:17 +0000 |
| parents | 83cd1910329c |
| children | 4d9f985fd217 dfb04ceb266f |
| 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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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, |
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199 ngx_http_variable_request_method, 0, |
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200 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 201 |
| 637 | 202 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 203 |
| 637 | 204 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 205 0, 0, 0 }, |
| 206 | |
| 637 | 207 { ngx_string("request_completion"), NULL, |
| 208 ngx_http_variable_request_completion, | |
| 629 | 209 0, 0, 0 }, |
| 210 | |
| 2844 | 211 { ngx_string("request_body"), NULL, |
| 212 ngx_http_variable_request_body, | |
| 213 0, 0, 0 }, | |
| 214 | |
| 759 | 215 { ngx_string("request_body_file"), NULL, |
| 216 ngx_http_variable_request_body_file, | |
| 217 0, 0, 0 }, | |
| 218 | |
| 641 | 219 { ngx_string("sent_http_content_type"), NULL, |
| 220 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 221 | |
| 222 { ngx_string("sent_http_content_length"), NULL, | |
| 223 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 224 | |
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225 { ngx_string("sent_http_location"), NULL, |
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226 ngx_http_variable_sent_location, 0, 0, 0 }, |
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227 |
| 641 | 228 { ngx_string("sent_http_last_modified"), NULL, |
| 229 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 230 | |
| 231 { ngx_string("sent_http_connection"), NULL, | |
| 232 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 233 | |
| 234 { ngx_string("sent_http_keep_alive"), NULL, | |
| 235 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 236 | |
| 237 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 238 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 239 | |
| 240 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 241 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 242 | |
| 637 | 243 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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244 ngx_http_variable_request_get_size, |
| 637 | 245 offsetof(ngx_http_request_t, limit_rate), |
| 1565 | 246 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 247 |
| 1329 | 248 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 249 0, 0, 0 }, | |
| 250 | |
| 2011 | 251 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 252 0, 0, 0 }, | |
| 253 | |
| 2249 | 254 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 255 0, 0, 0 }, | |
| 256 | |
| 637 | 257 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 258 }; |
| 259 | |
| 260 | |
| 577 | 261 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 262 ngx_http_variable(""); | |
| 263 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 264 ngx_http_variable("1"); | |
| 265 | |
| 266 | |
| 499 | 267 ngx_http_variable_t * |
| 509 | 268 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 269 { | |
| 611 | 270 ngx_int_t rc; |
| 509 | 271 ngx_uint_t i; |
| 611 | 272 ngx_hash_key_t *key; |
| 509 | 273 ngx_http_variable_t *v; |
| 274 ngx_http_core_main_conf_t *cmcf; | |
| 275 | |
| 276 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 277 | |
| 611 | 278 key = cmcf->variables_keys->keys.elts; |
| 279 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 280 if (name->len != key[i].key.len | |
| 281 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 282 { |
| 283 continue; | |
| 284 } | |
| 285 | |
| 611 | 286 v = key[i].value; |
| 287 | |
| 1565 | 288 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 289 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 290 "the duplicate \"%V\" variable", name); | |
| 291 return NULL; | |
| 292 } | |
| 293 | |
| 611 | 294 return v; |
| 509 | 295 } |
| 296 | |
| 611 | 297 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 298 if (v == NULL) { |
| 299 return NULL; | |
| 300 } | |
| 301 | |
| 302 v->name.len = name->len; | |
| 2049 | 303 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 304 if (v->name.data == NULL) { |
| 305 return NULL; | |
| 306 } | |
| 307 | |
| 2135 | 308 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 309 |
| 637 | 310 v->set_handler = NULL; |
| 311 v->get_handler = NULL; | |
| 509 | 312 v->data = 0; |
| 313 v->flags = flags; | |
| 533 | 314 v->index = 0; |
| 509 | 315 |
| 611 | 316 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 317 | |
| 318 if (rc == NGX_ERROR) { | |
| 319 return NULL; | |
| 320 } | |
| 321 | |
| 322 if (rc == NGX_BUSY) { | |
| 323 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 324 "conflicting variable name \"%V\"", name); | |
| 325 return NULL; | |
| 326 } | |
| 327 | |
| 509 | 328 return v; |
| 329 } | |
| 330 | |
| 331 | |
| 332 ngx_int_t | |
| 333 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 334 { |
| 501 | 335 ngx_uint_t i; |
| 336 ngx_http_variable_t *v; | |
| 499 | 337 ngx_http_core_main_conf_t *cmcf; |
| 338 | |
| 339 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 340 | |
| 501 | 341 v = cmcf->variables.elts; |
| 342 | |
| 343 if (v == NULL) { | |
| 499 | 344 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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345 sizeof(ngx_http_variable_t)) |
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346 != NGX_OK) |
| 499 | 347 { |
| 509 | 348 return NGX_ERROR; |
| 499 | 349 } |
| 501 | 350 |
| 351 } else { | |
| 352 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 353 if (name->len != v[i].name.len | |
| 354 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 355 { | |
| 356 continue; | |
| 357 } | |
| 358 | |
| 509 | 359 return i; |
| 501 | 360 } |
| 499 | 361 } |
| 362 | |
| 501 | 363 v = ngx_array_push(&cmcf->variables); |
| 364 if (v == NULL) { | |
| 509 | 365 return NGX_ERROR; |
| 499 | 366 } |
| 367 | |
| 501 | 368 v->name.len = name->len; |
| 2049 | 369 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 370 if (v->name.data == NULL) { |
| 509 | 371 return NGX_ERROR; |
| 501 | 372 } |
| 499 | 373 |
| 2135 | 374 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 375 |
| 637 | 376 v->set_handler = NULL; |
| 377 v->get_handler = NULL; | |
| 501 | 378 v->data = 0; |
| 509 | 379 v->flags = 0; |
| 533 | 380 v->index = cmcf->variables.nelts - 1; |
| 501 | 381 |
| 509 | 382 return cmcf->variables.nelts - 1; |
| 499 | 383 } |
| 384 | |
| 385 | |
| 386 ngx_http_variable_value_t * | |
| 387 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 388 { | |
| 501 | 389 ngx_http_variable_t *v; |
| 499 | 390 ngx_http_core_main_conf_t *cmcf; |
| 391 | |
| 392 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 393 | |
| 553 | 394 if (cmcf->variables.nelts <= index) { |
| 499 | 395 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 396 "unknown variable index: %d", index); | |
| 397 return NULL; | |
| 398 } | |
| 399 | |
| 573 | 400 if (r->variables[index].not_found || r->variables[index].valid) { |
| 401 return &r->variables[index]; | |
| 501 | 402 } |
| 499 | 403 |
| 501 | 404 v = cmcf->variables.elts; |
| 499 | 405 |
| 637 | 406 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 407 == NGX_OK) | |
| 408 { | |
| 1565 | 409 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 410 r->variables[index].no_cacheable = 1; | |
| 499 | 411 } |
| 573 | 412 |
| 413 return &r->variables[index]; | |
| 499 | 414 } |
| 415 | |
| 657 | 416 r->variables[index].valid = 0; |
| 417 r->variables[index].not_found = 1; | |
| 418 | |
| 798 | 419 return NULL; |
| 573 | 420 } |
| 421 | |
| 422 | |
| 423 ngx_http_variable_value_t * | |
| 424 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 425 { | |
| 1150 | 426 ngx_http_variable_value_t *v; |
| 573 | 427 |
| 428 v = &r->variables[index]; | |
| 429 | |
| 430 if (v->valid) { | |
| 1565 | 431 if (!v->no_cacheable) { |
| 573 | 432 return v; |
| 433 } | |
| 434 | |
| 435 v->valid = 0; | |
| 436 v->not_found = 0; | |
| 509 | 437 } |
| 501 | 438 |
| 573 | 439 return ngx_http_get_indexed_variable(r, index); |
| 499 | 440 } |
| 441 | |
| 442 | |
| 443 ngx_http_variable_value_t * | |
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444 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
| 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) { | |
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456 return ngx_http_get_flushed_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 | |
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497 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
| 1162 | 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 |
| 501 | 528 return vv; |
| 499 | 529 } |
| 530 | |
| 531 | |
| 573 | 532 static ngx_int_t |
| 533 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 534 uintptr_t data) | |
| 535 { | |
| 536 ngx_str_t *s; | |
| 537 | |
| 538 s = (ngx_str_t *) ((char *) r + data); | |
| 539 | |
| 540 if (s->data) { | |
| 541 v->len = s->len; | |
| 542 v->valid = 1; | |
| 1565 | 543 v->no_cacheable = 0; |
| 573 | 544 v->not_found = 0; |
| 545 v->data = s->data; | |
| 546 | |
| 547 } else { | |
| 548 v->not_found = 1; | |
| 549 } | |
| 550 | |
| 551 return NGX_OK; | |
| 552 } | |
| 553 | |
| 554 | |
| 637 | 555 static void |
| 1350 | 556 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 557 ngx_http_variable_value_t *v, uintptr_t data) | |
| 558 { | |
| 559 ngx_str_t *s; | |
| 560 | |
| 561 s = (ngx_str_t *) ((char *) r + data); | |
| 562 | |
| 563 s->len = v->len; | |
| 564 s->data = v->data; | |
| 565 } | |
| 566 | |
| 567 | |
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568 static ngx_int_t |
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569 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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570 ngx_http_variable_value_t *v, uintptr_t data) |
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571 { |
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572 size_t *sp; |
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573 |
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574 sp = (size_t *) ((char *) r + data); |
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575 |
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576 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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577 if (v->data == NULL) { |
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578 return NGX_ERROR; |
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579 } |
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580 |
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581 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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582 v->valid = 1; |
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583 v->no_cacheable = 0; |
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584 v->not_found = 0; |
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585 |
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586 return NGX_OK; |
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587 } |
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588 |
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589 |
| 1350 | 590 static void |
| 637 | 591 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 592 ngx_http_variable_value_t *v, uintptr_t data) | |
| 593 { | |
| 594 ssize_t s, *sp; | |
| 595 ngx_str_t val; | |
| 596 | |
|
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597 val.len = v->len; |
| 637 | 598 val.data = v->data; |
| 599 | |
| 600 s = ngx_parse_size(&val); | |
| 601 | |
| 602 if (s == NGX_ERROR) { | |
| 603 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 604 "invalid size \"%V\"", &val); | |
| 605 return; | |
| 606 } | |
| 607 | |
| 608 sp = (ssize_t *) ((char *) r + data); | |
| 609 | |
| 610 *sp = s; | |
| 611 | |
| 612 return; | |
| 613 } | |
| 614 | |
| 615 | |
| 573 | 616 static ngx_int_t |
| 617 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 618 uintptr_t data) | |
| 515 | 619 { |
| 573 | 620 ngx_table_elt_t *h; |
| 621 | |
| 622 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 623 | |
| 624 if (h) { | |
| 625 v->len = h->value.len; | |
| 626 v->valid = 1; | |
| 1565 | 627 v->no_cacheable = 0; |
| 573 | 628 v->not_found = 0; |
| 629 v->data = h->value.data; | |
| 630 | |
| 631 } else { | |
| 632 v->not_found = 1; | |
| 633 } | |
| 634 | |
| 635 return NGX_OK; | |
| 636 } | |
| 637 | |
| 638 | |
| 639 static ngx_int_t | |
| 640 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 641 uintptr_t data) | |
| 642 { | |
| 667 | 643 ssize_t len; |
| 573 | 644 u_char *p; |
| 667 | 645 ngx_uint_t i, n; |
| 573 | 646 ngx_array_t *a; |
| 647 ngx_table_elt_t **h; | |
| 515 | 648 |
| 649 a = (ngx_array_t *) ((char *) r + data); | |
| 650 | |
| 667 | 651 n = a->nelts; |
| 652 | |
| 653 if (n == 0) { | |
| 573 | 654 v->not_found = 1; |
| 655 return NGX_OK; | |
| 515 | 656 } |
| 657 | |
| 573 | 658 v->valid = 1; |
| 1565 | 659 v->no_cacheable = 0; |
| 573 | 660 v->not_found = 0; |
| 515 | 661 |
| 662 h = a->elts; | |
| 663 | |
| 667 | 664 if (n == 1) { |
| 573 | 665 v->len = (*h)->value.len; |
| 666 v->data = (*h)->value.data; | |
| 515 | 667 |
| 573 | 668 return NGX_OK; |
| 515 | 669 } |
| 670 | |
| 667 | 671 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 672 |
| 667 | 673 for (i = 0; i < n; i++) { |
| 573 | 674 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 675 } |
| 676 | |
| 2049 | 677 p = ngx_pnalloc(r->pool, len); |
| 573 | 678 if (p == NULL) { |
| 679 return NGX_ERROR; | |
| 680 } | |
| 681 | |
| 682 v->len = len; | |
| 683 v->data = p; | |
| 515 | 684 |
| 685 for (i = 0; /* void */ ; i++) { | |
| 573 | 686 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 687 |
| 667 | 688 if (i == n - 1) { |
| 515 | 689 break; |
| 690 } | |
| 691 | |
| 692 *p++ = ';'; *p++ = ' '; | |
| 693 } | |
| 694 | |
| 573 | 695 return NGX_OK; |
| 515 | 696 } |
| 697 | |
| 698 | |
| 573 | 699 static ngx_int_t |
| 577 | 700 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 701 ngx_http_variable_value_t *v, uintptr_t data) | |
| 702 { | |
| 703 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 704 &r->headers_in.headers.part, | |
| 705 sizeof("http_") - 1); | |
| 706 } | |
| 707 | |
| 708 | |
| 709 static ngx_int_t | |
| 710 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 711 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 712 { |
| 577 | 713 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 714 &r->headers_out.headers.part, | |
| 715 sizeof("sent_http_") - 1); | |
| 716 } | |
| 501 | 717 |
| 577 | 718 |
| 1162 | 719 ngx_int_t |
| 577 | 720 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 721 ngx_list_part_t *part, size_t prefix) | |
| 722 { | |
| 573 | 723 u_char ch; |
| 724 ngx_uint_t i, n; | |
| 725 ngx_table_elt_t *header; | |
| 499 | 726 |
| 727 header = part->elts; | |
| 728 | |
| 729 for (i = 0; /* void */ ; i++) { | |
| 730 | |
| 731 if (i >= part->nelts) { | |
| 732 if (part->next == NULL) { | |
| 733 break; | |
| 734 } | |
| 735 | |
| 736 part = part->next; | |
| 737 header = part->elts; | |
| 738 i = 0; | |
| 739 } | |
| 740 | |
| 577 | 741 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 742 ch = header[i].key.data[n]; |
| 743 | |
| 509 | 744 if (ch >= 'A' && ch <= 'Z') { |
| 745 ch |= 0x20; | |
| 499 | 746 |
| 747 } else if (ch == '-') { | |
| 748 ch = '_'; | |
| 749 } | |
| 750 | |
| 577 | 751 if (var->data[n + prefix] != ch) { |
| 499 | 752 break; |
| 753 } | |
| 754 } | |
| 755 | |
|
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756 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 757 v->len = header[i].value.len; |
| 758 v->valid = 1; | |
| 1565 | 759 v->no_cacheable = 0; |
| 573 | 760 v->not_found = 0; |
| 761 v->data = header[i].value.data; | |
| 499 | 762 |
| 573 | 763 return NGX_OK; |
| 499 | 764 } |
| 765 } | |
| 766 | |
| 573 | 767 v->not_found = 1; |
| 768 | |
| 769 return NGX_OK; | |
| 509 | 770 } |
| 771 | |
| 772 | |
| 573 | 773 static ngx_int_t |
|
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774 ngx_http_variable_request_line(ngx_http_request_t *r, |
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775 ngx_http_variable_value_t *v, uintptr_t data) |
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776 { |
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777 u_char *p, *s; |
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778 |
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779 s = r->request_line.data; |
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780 |
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781 if (s == NULL) { |
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|
782 s = r->request_start; |
|
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|
783 |
|
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parents:
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|
784 if (s == NULL) { |
|
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|
785 v->not_found = 1; |
|
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|
786 return NGX_OK; |
|
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|
787 } |
|
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|
788 |
|
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parents:
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|
789 for (p = s; p < r->header_in->last; p++) { |
|
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|
790 if (*p == CR || *p == LF) { |
|
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|
791 break; |
|
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|
792 } |
|
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|
793 } |
|
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|
794 |
|
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|
795 r->request_line.len = p - s; |
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|
796 r->request_line.data = s; |
|
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|
797 } |
|
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|
798 |
|
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|
799 v->len = r->request_line.len; |
|
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|
800 v->valid = 1; |
|
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|
801 v->no_cacheable = 0; |
|
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|
802 v->not_found = 0; |
|
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|
803 v->data = s; |
|
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diff
changeset
|
804 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
805 return NGX_OK; |
|
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|
806 } |
|
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Igor Sysoev <igor@sysoev.ru>
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|
807 |
|
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|
808 |
|
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|
809 static ngx_int_t |
| 2307 | 810 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 811 uintptr_t data) | |
| 812 { | |
| 813 ngx_str_t *name = (ngx_str_t *) data; | |
| 814 | |
| 815 ngx_str_t cookie, s; | |
| 816 | |
| 817 s.len = name->len - (sizeof("cookie_") - 1); | |
| 818 s.data = name->data + sizeof("cookie_") - 1; | |
| 819 | |
| 820 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 821 == NGX_DECLINED) | |
| 822 { | |
| 823 v->not_found = 1; | |
| 824 return NGX_OK; | |
| 825 } | |
| 826 | |
| 827 v->len = cookie.len; | |
| 828 v->valid = 1; | |
| 829 v->no_cacheable = 0; | |
| 830 v->not_found = 0; | |
| 831 v->data = cookie.data; | |
| 832 | |
| 833 return NGX_OK; | |
| 834 } | |
| 835 | |
| 836 | |
| 837 static ngx_int_t | |
| 2137 | 838 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 839 uintptr_t data) | |
| 840 { | |
| 841 ngx_str_t *name = (ngx_str_t *) data; | |
| 842 | |
| 2415 | 843 u_char *arg; |
| 844 size_t len; | |
| 845 ngx_str_t value; | |
| 2137 | 846 |
| 2415 | 847 len = name->len - (sizeof("arg_") - 1); |
| 848 arg = name->data + sizeof("arg_") - 1; | |
| 849 | |
| 850 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 851 v->not_found = 1; |
| 852 return NGX_OK; | |
| 853 } | |
| 854 | |
| 2415 | 855 v->data = value.data; |
| 856 v->len = value.len; | |
| 857 v->valid = 1; | |
| 858 v->no_cacheable = 0; | |
| 859 v->not_found = 0; | |
| 2137 | 860 |
| 861 return NGX_OK; | |
| 862 } | |
| 863 | |
| 864 | |
| 865 static ngx_int_t | |
| 573 | 866 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 867 uintptr_t data) | |
| 509 | 868 { |
| 1811 | 869 ngx_http_core_srv_conf_t *cscf; |
| 870 | |
|
2007
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871 if (r->headers_in.server.len) { |
|
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872 v->len = r->headers_in.server.len; |
|
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|
873 v->data = r->headers_in.server.data; |
|
928
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874 |
|
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|
875 } else { |
|
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|
876 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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|
877 |
|
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|
878 v->len = cscf->server_name.len; |
|
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|
879 v->data = cscf->server_name.data; |
| 509 | 880 } |
| 881 | |
| 573 | 882 v->valid = 1; |
| 1565 | 883 v->no_cacheable = 0; |
| 573 | 884 v->not_found = 0; |
| 509 | 885 |
| 573 | 886 return NGX_OK; |
| 499 | 887 } |
| 888 | |
| 889 | |
| 573 | 890 static ngx_int_t |
|
983
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|
891 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 892 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 893 { |
|
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894 struct sockaddr_in *sin; |
|
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895 #if (NGX_HAVE_INET6) |
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896 struct sockaddr_in6 *sin6; |
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897 #endif |
| 982 | 898 |
|
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899 switch (r->connection->sockaddr->sa_family) { |
|
983
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|
900 |
|
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901 #if (NGX_HAVE_INET6) |
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902 case AF_INET6: |
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|
903 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 904 |
|
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|
905 v->len = sizeof(struct in6_addr); |
|
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|
906 v->valid = 1; |
|
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|
907 v->no_cacheable = 0; |
|
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|
908 v->not_found = 0; |
|
3268
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diff
changeset
|
909 v->data = sin6->sin6_addr.s6_addr; |
|
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|
910 |
|
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|
911 break; |
|
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|
912 #endif |
|
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|
913 |
|
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|
914 default: /* AF_INET */ |
|
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|
915 sin = (struct sockaddr_in *) r->connection->sockaddr; |
|
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|
916 |
|
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|
917 v->len = sizeof(in_addr_t); |
|
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918 v->valid = 1; |
|
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|
919 v->no_cacheable = 0; |
|
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|
920 v->not_found = 0; |
|
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|
921 v->data = (u_char *) &sin->sin_addr; |
|
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922 |
|
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923 break; |
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|
924 } |
| 982 | 925 |
|
983
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|
926 return NGX_OK; |
|
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diff
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|
927 } |
| 982 | 928 |
| 929 | |
|
983
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|
930 static ngx_int_t |
|
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diff
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|
931 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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diff
changeset
|
932 ngx_http_variable_value_t *v, uintptr_t data) |
|
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|
933 { |
|
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|
934 v->len = r->connection->addr_text.len; |
|
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changeset
|
935 v->valid = 1; |
| 1565 | 936 v->no_cacheable = 0; |
|
983
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|
937 v->not_found = 0; |
|
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diff
changeset
|
938 v->data = r->connection->addr_text.data; |
| 499 | 939 |
| 573 | 940 return NGX_OK; |
| 499 | 941 } |
| 942 | |
| 943 | |
| 573 | 944 static ngx_int_t |
| 945 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 946 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 947 { |
|
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|
948 ngx_uint_t port; |
|
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|
949 struct sockaddr_in *sin; |
|
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950 #if (NGX_HAVE_INET6) |
|
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|
951 struct sockaddr_in6 *sin6; |
|
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|
952 #endif |
| 509 | 953 |
| 573 | 954 v->len = 0; |
| 955 v->valid = 1; | |
| 1565 | 956 v->no_cacheable = 0; |
| 573 | 957 v->not_found = 0; |
| 509 | 958 |
| 2049 | 959 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 960 if (v->data == NULL) { |
| 961 return NGX_ERROR; | |
| 509 | 962 } |
| 963 | |
|
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|
964 switch (r->connection->sockaddr->sa_family) { |
| 577 | 965 |
|
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|
966 #if (NGX_HAVE_INET6) |
|
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967 case AF_INET6: |
|
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|
968 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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|
969 port = ntohs(sin6->sin6_port); |
|
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|
970 break; |
|
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|
971 #endif |
| 577 | 972 |
|
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|
973 default: /* AF_INET */ |
|
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|
974 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 975 port = ntohs(sin->sin_port); |
|
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|
976 break; |
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977 } |
| 577 | 978 |
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979 if (port > 0 && port < 65536) { |
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980 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 981 } |
| 982 | |
| 573 | 983 return NGX_OK; |
| 509 | 984 } |
| 985 | |
| 986 | |
| 573 | 987 static ngx_int_t |
| 988 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 989 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 990 { |
| 1805 | 991 ngx_str_t s; |
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992 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 993 |
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994 s.len = NGX_SOCKADDR_STRLEN; |
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995 s.data = addr; |
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996 |
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997 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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998 return NGX_ERROR; |
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999 } |
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1000 |
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1001 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 1002 if (s.data == NULL) { |
| 573 | 1003 return NGX_ERROR; |
| 509 | 1004 } |
| 1005 | |
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1006 ngx_memcpy(s.data, addr, s.len); |
| 509 | 1007 |
| 1805 | 1008 v->len = s.len; |
| 573 | 1009 v->valid = 1; |
| 1565 | 1010 v->no_cacheable = 0; |
| 573 | 1011 v->not_found = 0; |
| 1805 | 1012 v->data = s.data; |
| 499 | 1013 |
| 573 | 1014 return NGX_OK; |
| 499 | 1015 } |
| 1016 | |
| 1017 | |
| 573 | 1018 static ngx_int_t |
| 1019 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1020 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1021 { |
| 2533 | 1022 ngx_uint_t port; |
| 1023 struct sockaddr_in *sin; | |
| 1024 #if (NGX_HAVE_INET6) | |
| 1025 struct sockaddr_in6 *sin6; | |
| 1026 #endif | |
| 1027 | |
| 1028 v->len = 0; | |
| 573 | 1029 v->valid = 1; |
| 1565 | 1030 v->no_cacheable = 0; |
| 573 | 1031 v->not_found = 0; |
| 2533 | 1032 |
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1033 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1034 return NGX_ERROR; |
| 1035 } | |
| 1036 | |
| 1037 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1038 if (v->data == NULL) { | |
| 1039 return NGX_ERROR; | |
| 1040 } | |
| 1041 | |
| 1042 switch (r->connection->local_sockaddr->sa_family) { | |
| 1043 | |
| 1044 #if (NGX_HAVE_INET6) | |
| 1045 case AF_INET6: | |
| 1046 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1047 port = ntohs(sin6->sin6_port); | |
| 1048 break; | |
| 1049 #endif | |
| 1050 | |
| 1051 default: /* AF_INET */ | |
| 1052 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1053 port = ntohs(sin->sin_port); | |
| 1054 break; | |
| 1055 } | |
| 1056 | |
| 1057 if (port > 0 && port < 65536) { | |
| 1058 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1059 } | |
| 509 | 1060 |
| 573 | 1061 return NGX_OK; |
| 509 | 1062 } |
| 1063 | |
| 1064 | |
| 573 | 1065 static ngx_int_t |
| 731 | 1066 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1067 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1068 { | |
| 1069 #if (NGX_HTTP_SSL) | |
| 1070 | |
| 1071 if (r->connection->ssl) { | |
| 1072 v->len = sizeof("https") - 1; | |
| 1073 v->valid = 1; | |
| 1565 | 1074 v->no_cacheable = 0; |
| 731 | 1075 v->not_found = 0; |
| 732 | 1076 v->data = (u_char *) "https"; |
| 731 | 1077 |
| 1078 return NGX_OK; | |
| 1079 } | |
| 1080 | |
| 1081 #endif | |
| 1082 | |
| 1083 v->len = sizeof("http") - 1; | |
| 1084 v->valid = 1; | |
| 1565 | 1085 v->no_cacheable = 0; |
| 731 | 1086 v->not_found = 0; |
| 732 | 1087 v->data = (u_char *) "http"; |
| 731 | 1088 |
| 1089 return NGX_OK; | |
| 1090 } | |
| 1091 | |
| 1092 | |
| 1093 static ngx_int_t | |
| 1351 | 1094 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1095 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1096 { | |
| 1097 v->valid = 1; | |
| 1565 | 1098 v->no_cacheable = 0; |
| 1351 | 1099 v->not_found = 0; |
| 1100 | |
| 1101 if (r->args.len == 0) { | |
| 1102 v->len = 0; | |
| 1103 v->data = NULL; | |
| 1104 return NGX_OK; | |
| 1105 } | |
| 1106 | |
| 1107 v->len = 1; | |
| 1108 v->data = (u_char *) "?"; | |
| 1109 | |
| 1110 return NGX_OK; | |
| 1111 } | |
| 1112 | |
| 1113 | |
| 1114 static ngx_int_t | |
| 573 | 1115 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1116 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1117 { |
| 671 | 1118 ngx_str_t path; |
| 573 | 1119 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1120 |
| 1121 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1122 | |
| 671 | 1123 if (clcf->root_lengths == NULL) { |
| 1124 v->len = clcf->root.len; | |
| 1125 v->valid = 1; | |
| 1565 | 1126 v->no_cacheable = 0; |
| 671 | 1127 v->not_found = 0; |
| 1128 v->data = clcf->root.data; | |
| 1129 | |
| 1130 } else { | |
| 1131 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1132 clcf->root_values->elts) | |
| 1133 == NULL) | |
| 1134 { | |
| 1135 return NGX_ERROR; | |
| 1136 } | |
| 1137 | |
|
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1138 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1139 return NGX_ERROR; |
| 1140 } | |
| 1141 | |
| 1142 v->len = path.len; | |
| 1143 v->valid = 1; | |
| 1565 | 1144 v->no_cacheable = 0; |
| 671 | 1145 v->not_found = 0; |
| 1146 v->data = path.data; | |
| 1147 } | |
| 509 | 1148 |
| 573 | 1149 return NGX_OK; |
| 509 | 1150 } |
| 1151 | |
| 1152 | |
| 573 | 1153 static ngx_int_t |
| 2259 | 1154 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1155 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1156 { | |
| 1157 size_t len; | |
| 1158 ngx_str_t path; | |
| 1159 ngx_http_core_loc_conf_t *clcf; | |
| 1160 u_char real[NGX_MAX_PATH]; | |
| 1161 | |
| 1162 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1163 | |
| 1164 if (clcf->root_lengths == NULL) { | |
| 1165 path = clcf->root; | |
| 1166 | |
| 1167 } else { | |
| 1168 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1169 clcf->root_values->elts) | |
| 1170 == NULL) | |
| 1171 { | |
| 1172 return NGX_ERROR; | |
| 1173 } | |
| 1174 | |
| 1175 path.data[path.len - 1] = '\0'; | |
| 1176 | |
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1177 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1178 return NGX_ERROR; |
| 1179 } | |
| 1180 } | |
| 1181 | |
| 1182 if (ngx_realpath(path.data, real) == NULL) { | |
| 1183 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1184 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1185 return NGX_ERROR; | |
| 1186 } | |
| 1187 | |
| 1188 len = ngx_strlen(real); | |
| 1189 | |
| 1190 v->data = ngx_pnalloc(r->pool, len); | |
| 1191 if (v->data == NULL) { | |
| 1192 return NGX_ERROR; | |
| 1193 } | |
| 1194 | |
| 1195 v->len = len; | |
| 1196 v->valid = 1; | |
| 1197 v->no_cacheable = 0; | |
| 1198 v->not_found = 0; | |
| 1199 | |
| 1200 ngx_memcpy(v->data, real, len); | |
| 1201 | |
| 1202 return NGX_OK; | |
| 1203 } | |
| 1204 | |
| 1205 | |
| 1206 static ngx_int_t | |
| 573 | 1207 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1208 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1209 { |
| 773 | 1210 size_t root; |
| 573 | 1211 ngx_str_t path; |
| 499 | 1212 |
| 773 | 1213 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1214 return NGX_ERROR; |
| 557 | 1215 } |
| 509 | 1216 |
| 557 | 1217 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1218 |
| 573 | 1219 v->len = path.len - 1; |
| 1220 v->valid = 1; | |
| 1565 | 1221 v->no_cacheable = 0; |
| 573 | 1222 v->not_found = 0; |
| 1223 v->data = path.data; | |
| 499 | 1224 |
| 573 | 1225 return NGX_OK; |
| 499 | 1226 } |
| 1227 | |
| 1228 | |
| 573 | 1229 static ngx_int_t |
| 1811 | 1230 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1231 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1232 { | |
| 1233 ngx_http_core_srv_conf_t *cscf; | |
| 1234 | |
| 1235 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1236 | |
| 1237 v->len = cscf->server_name.len; | |
| 1238 v->valid = 1; | |
| 1239 v->no_cacheable = 0; | |
| 1240 v->not_found = 0; | |
| 1241 v->data = cscf->server_name.data; | |
| 1242 | |
| 1243 return NGX_OK; | |
| 1244 } | |
| 1245 | |
| 1246 | |
| 1247 static ngx_int_t | |
| 573 | 1248 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1249 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1250 { |
| 647 | 1251 if (r->main->method_name.data) { |
| 1252 v->len = r->main->method_name.len; | |
| 573 | 1253 v->valid = 1; |
| 1565 | 1254 v->no_cacheable = 0; |
| 573 | 1255 v->not_found = 0; |
| 647 | 1256 v->data = r->main->method_name.data; |
| 573 | 1257 |
| 1258 } else { | |
| 1259 v->not_found = 1; | |
| 561 | 1260 } |
| 1261 | |
| 573 | 1262 return NGX_OK; |
| 561 | 1263 } |
| 1264 | |
| 1265 | |
| 573 | 1266 static ngx_int_t |
| 1267 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1268 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1269 { |
| 573 | 1270 ngx_int_t rc; |
| 539 | 1271 |
| 1272 rc = ngx_http_auth_basic_user(r); | |
| 1273 | |
| 1274 if (rc == NGX_DECLINED) { | |
| 573 | 1275 v->not_found = 1; |
| 1276 return NGX_OK; | |
| 539 | 1277 } |
| 1278 | |
| 1279 if (rc == NGX_ERROR) { | |
| 573 | 1280 return NGX_ERROR; |
| 539 | 1281 } |
| 1282 | |
| 573 | 1283 v->len = r->headers_in.user.len; |
| 1284 v->valid = 1; | |
| 1565 | 1285 v->no_cacheable = 0; |
| 573 | 1286 v->not_found = 0; |
| 1287 v->data = r->headers_in.user.data; | |
| 571 | 1288 |
| 573 | 1289 return NGX_OK; |
| 571 | 1290 } |
| 1291 | |
| 1292 | |
| 611 | 1293 static ngx_int_t |
| 1294 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1295 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1296 { | |
| 1297 off_t sent; | |
| 1298 u_char *p; | |
| 1299 | |
| 1300 sent = r->connection->sent - r->header_size; | |
| 1301 | |
| 1302 if (sent < 0) { | |
| 1303 sent = 0; | |
| 1304 } | |
| 1305 | |
| 2049 | 1306 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1307 if (p == NULL) { |
| 1308 return NGX_ERROR; | |
| 1309 } | |
| 1310 | |
| 1311 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1312 v->valid = 1; | |
| 1565 | 1313 v->no_cacheable = 0; |
| 611 | 1314 v->not_found = 0; |
| 1315 v->data = p; | |
| 1316 | |
| 1317 return NGX_OK; | |
| 1318 } | |
| 1319 | |
| 1320 | |
| 629 | 1321 static ngx_int_t |
| 641 | 1322 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1323 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1324 { | |
| 1325 if (r->headers_out.content_type.len) { | |
| 1326 v->len = r->headers_out.content_type.len; | |
| 1327 v->valid = 1; | |
| 1565 | 1328 v->no_cacheable = 0; |
| 641 | 1329 v->not_found = 0; |
| 1330 v->data = r->headers_out.content_type.data; | |
| 1331 | |
| 1332 } else { | |
| 1333 v->not_found = 1; | |
| 1334 } | |
| 1335 | |
| 1336 return NGX_OK; | |
| 1337 } | |
| 1338 | |
| 1339 | |
| 1340 static ngx_int_t | |
| 1341 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1342 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1343 { | |
| 1344 u_char *p; | |
| 1345 | |
| 1346 if (r->headers_out.content_length) { | |
| 1347 v->len = r->headers_out.content_length->value.len; | |
| 1348 v->valid = 1; | |
| 1565 | 1349 v->no_cacheable = 0; |
| 641 | 1350 v->not_found = 0; |
| 1351 v->data = r->headers_out.content_length->value.data; | |
| 1352 | |
| 1353 return NGX_OK; | |
| 1354 } | |
| 1355 | |
| 1356 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1357 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1358 if (p == NULL) { |
| 1359 return NGX_ERROR; | |
| 1360 } | |
| 1361 | |
| 1362 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1363 v->valid = 1; | |
| 1565 | 1364 v->no_cacheable = 0; |
| 641 | 1365 v->not_found = 0; |
| 1366 v->data = p; | |
| 1367 | |
| 1368 return NGX_OK; | |
| 1369 } | |
| 1370 | |
| 1371 v->not_found = 1; | |
| 1372 | |
| 1373 return NGX_OK; | |
| 1374 } | |
| 1375 | |
| 1376 | |
| 1377 static ngx_int_t | |
|
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1378 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1379 ngx_http_variable_value_t *v, uintptr_t data) |
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1380 { |
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1381 ngx_str_t name; |
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1382 |
|
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1383 if (r->headers_out.location) { |
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1384 v->len = r->headers_out.location->value.len; |
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1385 v->valid = 1; |
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1386 v->no_cacheable = 0; |
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1387 v->not_found = 0; |
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1388 v->data = r->headers_out.location->value.data; |
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1389 |
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1390 return NGX_OK; |
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1391 } |
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1392 |
|
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1393 ngx_str_set(&name, "sent_http_location"); |
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1394 |
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1395 return ngx_http_variable_unknown_header(v, &name, |
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1396 &r->headers_out.headers.part, |
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1397 sizeof("sent_http_") - 1); |
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1398 } |
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1399 |
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1400 |
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1401 static ngx_int_t |
| 641 | 1402 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1403 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1404 { | |
| 1405 u_char *p; | |
| 1406 | |
| 1407 if (r->headers_out.last_modified) { | |
| 1408 v->len = r->headers_out.last_modified->value.len; | |
| 1409 v->valid = 1; | |
| 1565 | 1410 v->no_cacheable = 0; |
| 641 | 1411 v->not_found = 0; |
| 1412 v->data = r->headers_out.last_modified->value.data; | |
| 1413 | |
| 1414 return NGX_OK; | |
| 1415 } | |
| 1416 | |
| 1417 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1418 p = ngx_pnalloc(r->pool, |
| 641 | 1419 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1420 if (p == NULL) { | |
| 1421 return NGX_ERROR; | |
| 1422 } | |
| 1423 | |
| 1424 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1425 v->valid = 1; | |
| 1565 | 1426 v->no_cacheable = 0; |
| 641 | 1427 v->not_found = 0; |
| 1428 v->data = p; | |
| 1429 | |
| 1430 return NGX_OK; | |
| 1431 } | |
| 1432 | |
| 1433 v->not_found = 1; | |
| 1434 | |
| 1435 return NGX_OK; | |
| 1436 } | |
| 1437 | |
| 1438 | |
| 1439 static ngx_int_t | |
| 1440 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1441 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1442 { | |
| 1443 size_t len; | |
| 1444 char *p; | |
| 1445 | |
| 1446 if (r->keepalive) { | |
| 1447 len = sizeof("keep-alive") - 1; | |
| 1448 p = "keep-alive"; | |
| 1449 | |
| 1450 } else { | |
| 1451 len = sizeof("close") - 1; | |
| 1452 p = "close"; | |
| 1453 } | |
| 1454 | |
| 1455 v->len = len; | |
| 1456 v->valid = 1; | |
| 1565 | 1457 v->no_cacheable = 0; |
| 641 | 1458 v->not_found = 0; |
| 1459 v->data = (u_char *) p; | |
| 1460 | |
| 1461 return NGX_OK; | |
| 1462 } | |
| 1463 | |
| 1464 | |
| 1465 static ngx_int_t | |
| 1466 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1467 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1468 { | |
| 1469 u_char *p; | |
| 1470 ngx_http_core_loc_conf_t *clcf; | |
| 1471 | |
| 1472 if (r->keepalive) { | |
| 1473 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1474 | |
| 1475 if (clcf->keepalive_header) { | |
| 1476 | |
| 2049 | 1477 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1478 if (p == NULL) { |
| 1479 return NGX_ERROR; | |
| 1480 } | |
| 1481 | |
| 1482 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1483 v->valid = 1; | |
| 1565 | 1484 v->no_cacheable = 0; |
| 641 | 1485 v->not_found = 0; |
| 1486 v->data = p; | |
| 1487 | |
| 1488 return NGX_OK; | |
| 1489 } | |
| 1490 } | |
| 1491 | |
| 1492 v->not_found = 1; | |
| 1493 | |
| 1494 return NGX_OK; | |
| 1495 } | |
| 1496 | |
| 1497 | |
| 1498 static ngx_int_t | |
| 1499 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1500 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1501 { | |
| 1502 if (r->chunked) { | |
| 1503 v->len = sizeof("chunked") - 1; | |
| 1504 v->valid = 1; | |
| 1565 | 1505 v->no_cacheable = 0; |
| 641 | 1506 v->not_found = 0; |
| 1507 v->data = (u_char *) "chunked"; | |
| 1508 | |
| 1509 } else { | |
| 1510 v->not_found = 1; | |
| 1511 } | |
| 1512 | |
| 1513 return NGX_OK; | |
| 1514 } | |
| 1515 | |
| 1516 | |
| 1517 static ngx_int_t | |
| 629 | 1518 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1519 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1520 { | |
| 1521 if (r->request_complete) { | |
| 1522 v->len = 2; | |
| 1523 v->valid = 1; | |
| 1565 | 1524 v->no_cacheable = 0; |
| 629 | 1525 v->not_found = 0; |
| 1526 v->data = (u_char *) "OK"; | |
| 1527 | |
| 1528 return NGX_OK; | |
| 1529 } | |
| 1530 | |
| 1531 v->len = 0; | |
| 1532 v->valid = 1; | |
| 1565 | 1533 v->no_cacheable = 0; |
| 629 | 1534 v->not_found = 0; |
| 1535 v->data = (u_char *) ""; | |
| 1536 | |
| 1537 return NGX_OK; | |
| 1538 } | |
| 1539 | |
| 1540 | |
| 759 | 1541 static ngx_int_t |
| 2844 | 1542 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1543 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1544 { | |
| 1545 u_char *p; | |
| 1546 size_t len; | |
| 1547 ngx_buf_t *buf, *next; | |
| 1548 ngx_chain_t *cl; | |
| 1549 | |
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1550 if (r->request_body == NULL |
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1551 || r->request_body->bufs == NULL |
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1552 || r->request_body->temp_file) |
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1553 { |
| 2844 | 1554 v->not_found = 1; |
| 1555 | |
| 1556 return NGX_OK; | |
| 1557 } | |
| 1558 | |
| 1559 cl = r->request_body->bufs; | |
| 1560 buf = cl->buf; | |
| 1561 | |
| 1562 if (cl->next == NULL) { | |
| 1563 v->len = buf->last - buf->pos; | |
| 1564 v->valid = 1; | |
| 1565 v->no_cacheable = 0; | |
| 1566 v->not_found = 0; | |
| 1567 v->data = buf->pos; | |
| 1568 | |
| 1569 return NGX_OK; | |
| 1570 } | |
| 1571 | |
| 1572 next = cl->next->buf; | |
| 1573 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1574 | |
| 1575 p = ngx_pnalloc(r->pool, len); | |
| 1576 if (p == NULL) { | |
| 1577 return NGX_ERROR; | |
| 1578 } | |
| 1579 | |
| 1580 v->data = p; | |
| 1581 | |
| 1582 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1583 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1584 | |
| 1585 v->len = len; | |
| 1586 v->valid = 1; | |
| 1587 v->no_cacheable = 0; | |
| 1588 v->not_found = 0; | |
| 1589 | |
| 1590 return NGX_OK; | |
| 1591 } | |
| 1592 | |
| 1593 | |
| 1594 static ngx_int_t | |
| 759 | 1595 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1596 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1597 { | |
| 1598 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1599 v->not_found = 1; |
| 759 | 1600 |
| 1601 return NGX_OK; | |
| 1602 } | |
| 1603 | |
| 1604 v->len = r->request_body->temp_file->file.name.len; | |
| 1605 v->valid = 1; | |
| 1565 | 1606 v->no_cacheable = 0; |
| 759 | 1607 v->not_found = 0; |
| 1608 v->data = r->request_body->temp_file->file.name.data; | |
| 1609 | |
| 1610 return NGX_OK; | |
| 1611 } | |
| 1612 | |
| 1613 | |
| 1329 | 1614 static ngx_int_t |
| 1615 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1616 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1617 { | |
| 1618 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1619 v->valid = 1; | |
| 1565 | 1620 v->no_cacheable = 0; |
| 1329 | 1621 v->not_found = 0; |
| 1622 v->data = (u_char *) NGINX_VERSION; | |
| 1623 | |
| 1624 return NGX_OK; | |
| 1625 } | |
| 1626 | |
| 1627 | |
| 2011 | 1628 static ngx_int_t |
| 1629 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1630 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1631 { | |
| 1632 v->len = ngx_cycle->hostname.len; | |
| 1633 v->valid = 1; | |
| 1634 v->no_cacheable = 0; | |
| 1635 v->not_found = 0; | |
| 1636 v->data = ngx_cycle->hostname.data; | |
| 1637 | |
| 1638 return NGX_OK; | |
| 1639 } | |
| 1640 | |
| 1641 | |
| 2249 | 1642 static ngx_int_t |
| 1643 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1644 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1645 { | |
| 1646 u_char *p; | |
| 1647 | |
| 1648 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1649 if (p == NULL) { | |
| 1650 return NGX_ERROR; | |
| 1651 } | |
| 1652 | |
| 1653 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1654 v->valid = 1; | |
| 1655 v->no_cacheable = 0; | |
| 1656 v->not_found = 0; | |
| 1657 v->data = p; | |
| 1658 | |
| 1659 return NGX_OK; | |
| 1660 } | |
| 1661 | |
| 1662 | |
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1663 void * |
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1664 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
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1665 { |
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1666 void *value; |
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1667 u_char *low; |
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1668 size_t len; |
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1669 ngx_uint_t key; |
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1670 |
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1671 len = match->len; |
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1672 |
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1673 if (len) { |
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1674 low = ngx_pnalloc(r->pool, len); |
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1675 if (low == NULL) { |
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1676 return NULL; |
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1677 } |
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1678 |
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1679 } else { |
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1680 low = NULL; |
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1681 } |
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1682 |
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1683 key = ngx_hash_strlow(low, match->data, len); |
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1684 |
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1685 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1686 if (value) { |
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1687 return value; |
|
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1688 } |
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1689 |
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1690 #if (NGX_PCRE) |
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1691 |
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1692 if (len && map->nregex) { |
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1693 ngx_int_t n; |
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1694 ngx_uint_t i; |
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1695 ngx_http_map_regex_t *reg; |
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1696 |
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1697 reg = map->regex; |
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1698 |
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1699 for (i = 0; i < map->nregex; i++) { |
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1700 |
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1701 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1702 |
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1703 if (n == NGX_OK) { |
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1704 return reg[i].value; |
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1705 } |
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1706 |
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1707 if (n == NGX_DECLINED) { |
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1708 continue; |
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1709 } |
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1710 |
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1711 /* NGX_ERROR */ |
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1712 |
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1713 return NULL; |
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1714 } |
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1715 } |
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1716 |
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1717 #endif |
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1718 |
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1719 return NULL; |
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1720 } |
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1721 |
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1722 |
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1723 #if (NGX_PCRE) |
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1724 |
| 3325 | 1725 static ngx_int_t |
| 1726 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 1727 uintptr_t data) | |
| 1728 { | |
| 1729 v->not_found = 1; | |
| 1730 return NGX_OK; | |
| 1731 } | |
| 1732 | |
| 1733 | |
| 1734 ngx_http_regex_t * | |
| 1735 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 1736 { | |
| 1737 u_char *p; | |
| 1738 size_t size; | |
| 1739 ngx_str_t name; | |
| 1740 ngx_uint_t i, n; | |
| 1741 ngx_http_variable_t *v; | |
| 1742 ngx_http_regex_t *re; | |
| 1743 ngx_http_regex_variable_t *rv; | |
| 1744 ngx_http_core_main_conf_t *cmcf; | |
| 1745 | |
| 1746 rc->pool = cf->pool; | |
| 1747 | |
| 1748 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 1749 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 1750 return NULL; | |
| 1751 } | |
| 1752 | |
| 1753 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
| 1754 if (re == NULL) { | |
| 1755 return NULL; | |
| 1756 } | |
| 1757 | |
| 1758 re->regex = rc->regex; | |
| 1759 re->ncaptures = rc->captures; | |
| 1760 | |
| 1761 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1762 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 1763 | |
| 1764 n = (ngx_uint_t) rc->named_captures; | |
| 1765 | |
| 1766 if (n == 0) { | |
| 1767 return re; | |
| 1768 } | |
| 1769 | |
| 1770 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
| 1771 if (rv == NULL) { | |
| 1772 return NULL; | |
| 1773 } | |
| 1774 | |
| 1775 re->variables = rv; | |
| 1776 re->nvariables = n; | |
| 1777 re->name = rc->pattern; | |
| 1778 | |
| 1779 size = rc->name_size; | |
| 1780 p = rc->names; | |
| 1781 | |
| 1782 for (i = 0; i < n; i++) { | |
| 1783 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 1784 | |
| 1785 name.data = &p[2]; | |
| 1786 name.len = ngx_strlen(name.data); | |
| 1787 | |
| 1788 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 1789 if (v == NULL) { | |
| 1790 return NULL; | |
| 1791 } | |
| 1792 | |
| 1793 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
| 1794 if (rv[i].index == NGX_ERROR) { | |
| 1795 return NULL; | |
| 1796 } | |
| 1797 | |
| 1798 v->get_handler = ngx_http_variable_not_found; | |
| 1799 | |
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1800 p += size; |
| 3325 | 1801 } |
| 1802 | |
| 1803 return re; | |
| 1804 } | |
| 1805 | |
| 1806 | |
| 1807 ngx_int_t | |
| 1808 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
| 1809 { | |
| 1810 ngx_int_t rc, index; | |
| 1811 ngx_uint_t i, n, len; | |
| 1812 ngx_http_variable_value_t *vv; | |
| 1813 ngx_http_core_main_conf_t *cmcf; | |
| 1814 | |
| 1815 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1816 | |
| 1817 if (re->ncaptures) { | |
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1818 len = cmcf->ncaptures; |
| 3325 | 1819 |
| 1820 if (r->captures == NULL) { | |
| 1821 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
| 1822 if (r->captures == NULL) { | |
| 1823 return NGX_ERROR; | |
| 1824 } | |
| 1825 } | |
| 1826 | |
| 1827 } else { | |
| 1828 len = 0; | |
| 1829 } | |
| 1830 | |
| 1831 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
| 1832 | |
| 1833 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 1834 return NGX_DECLINED; | |
| 1835 } | |
| 1836 | |
| 1837 if (rc < 0) { | |
| 1838 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 1839 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 1840 rc, s, &re->name); | |
| 1841 return NGX_ERROR; | |
| 1842 } | |
| 1843 | |
| 1844 for (i = 0; i < re->nvariables; i++) { | |
| 1845 | |
| 1846 n = re->variables[i].capture; | |
| 1847 index = re->variables[i].index; | |
| 1848 vv = &r->variables[index]; | |
| 1849 | |
| 1850 vv->len = r->captures[n + 1] - r->captures[n]; | |
| 1851 vv->valid = 1; | |
| 1852 vv->no_cacheable = 0; | |
| 1853 vv->not_found = 0; | |
| 1854 vv->data = &s->data[r->captures[n]]; | |
| 1855 | |
| 1856 #if (NGX_DEBUG) | |
| 1857 { | |
| 1858 ngx_http_variable_t *v; | |
| 1859 | |
| 1860 v = cmcf->variables.elts; | |
| 1861 | |
| 1862 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1863 "http regex set $%V to \"%*s\"", | |
| 1864 &v[index].name, vv->len, vv->data); | |
| 1865 } | |
| 1866 #endif | |
| 1867 } | |
| 1868 | |
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1869 r->ncaptures = rc * 2; |
| 3325 | 1870 r->captures_data = s->data; |
| 1871 | |
| 1872 return NGX_OK; | |
| 1873 } | |
| 1874 | |
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1875 #endif |
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1876 |
| 3325 | 1877 |
| 499 | 1878 ngx_int_t |
| 509 | 1879 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1880 { |
| 611 | 1881 ngx_int_t rc; |
| 1882 ngx_http_variable_t *v; | |
| 501 | 1883 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1884 |
| 509 | 1885 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1886 | |
| 611 | 1887 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1888 sizeof(ngx_hash_keys_arrays_t)); | |
| 1889 if (cmcf->variables_keys == NULL) { | |
| 1890 return NGX_ERROR; | |
| 1891 } | |
| 1892 | |
| 1893 cmcf->variables_keys->pool = cf->pool; | |
| 1894 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1895 | |
| 1896 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1897 != NGX_OK) | |
| 509 | 1898 { |
| 499 | 1899 return NGX_ERROR; |
| 1900 } | |
| 1901 | |
| 611 | 1902 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1903 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1904 NGX_HASH_READONLY_KEY); | |
| 1905 | |
| 1906 if (rc == NGX_OK) { | |
| 1907 continue; | |
| 499 | 1908 } |
| 1909 | |
| 611 | 1910 if (rc == NGX_BUSY) { |
| 1911 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1912 "conflicting variable name \"%V\"", &v->name); | |
| 1913 } | |
| 1914 | |
| 1915 return NGX_ERROR; | |
| 499 | 1916 } |
| 1917 | |
| 1918 return NGX_OK; | |
| 1919 } | |
| 509 | 1920 |
| 1921 | |
| 1922 ngx_int_t | |
| 1923 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1924 { | |
| 1925 ngx_uint_t i, n; | |
| 611 | 1926 ngx_hash_key_t *key; |
| 1927 ngx_hash_init_t hash; | |
| 509 | 1928 ngx_http_variable_t *v, *av; |
| 1929 ngx_http_core_main_conf_t *cmcf; | |
| 1930 | |
| 1931 /* set the handlers for the indexed http variables */ | |
| 1932 | |
| 1933 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1934 | |
| 1935 v = cmcf->variables.elts; | |
| 611 | 1936 key = cmcf->variables_keys->keys.elts; |
| 509 | 1937 |
| 1938 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1939 | |
| 611 | 1940 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1941 |
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1942 av = key[n].value; |
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1943 |
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1944 if (av->get_handler |
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1945 && v[i].name.len == key[n].key.len |
| 611 | 1946 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1947 == 0) |
| 1948 { | |
| 637 | 1949 v[i].get_handler = av->get_handler; |
| 611 | 1950 v[i].data = av->data; |
| 527 | 1951 |
| 611 | 1952 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1953 v[i].flags = av->flags; | |
| 509 | 1954 |
| 611 | 1955 av->index = i; |
| 533 | 1956 |
| 509 | 1957 goto next; |
| 1958 } | |
| 1959 } | |
| 1960 | |
| 1961 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1962 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1963 v[i].data = (uintptr_t) &v[i].name; |
| 1964 | |
| 1965 continue; | |
| 1966 } | |
| 1967 | |
| 1968 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1969 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1970 v[i].data = (uintptr_t) &v[i].name; |
| 1971 | |
| 1972 continue; | |
| 1973 } | |
| 1974 | |
| 1162 | 1975 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1976 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1977 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1978 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1979 |
| 1980 continue; | |
| 1981 } | |
| 1982 | |
| 2307 | 1983 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1984 v[i].get_handler = ngx_http_variable_cookie; | |
| 1985 v[i].data = (uintptr_t) &v[i].name; | |
| 1986 | |
| 1987 continue; | |
| 1988 } | |
| 1989 | |
| 2137 | 1990 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1991 v[i].get_handler = ngx_http_variable_argument; | |
| 1992 v[i].data = (uintptr_t) &v[i].name; | |
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1993 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 2137 | 1994 |
| 1995 continue; | |
| 1996 } | |
| 1997 | |
| 509 | 1998 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1999 "unknown \"%V\" variable", &v[i].name); | |
| 2000 | |
| 2001 return NGX_ERROR; | |
| 2002 | |
| 2003 next: | |
| 2004 continue; | |
| 2005 } | |
| 2006 | |
| 2007 | |
| 611 | 2008 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 2009 av = key[n].value; | |
| 2010 | |
| 2011 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 2012 key[n].key.data = NULL; | |
| 583 | 2013 } |
| 2014 } | |
| 2015 | |
| 2016 | |
| 611 | 2017 hash.hash = &cmcf->variables_hash; |
| 2018 hash.key = ngx_hash_key; | |
| 2019 hash.max_size = cmcf->variables_hash_max_size; | |
| 2020 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 2021 hash.name = "variables_hash"; | |
| 2022 hash.pool = cf->pool; | |
| 2023 hash.temp_pool = NULL; | |
| 509 | 2024 |
| 611 | 2025 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 2026 cmcf->variables_keys->keys.nelts) | |
| 581 | 2027 != NGX_OK) |
| 509 | 2028 { |
| 2029 return NGX_ERROR; | |
| 2030 } | |
| 2031 | |
| 611 | 2032 cmcf->variables_keys = NULL; |
| 509 | 2033 |
| 2034 return NGX_OK; | |
| 2035 } |