Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 4433:dfb04ceb266f stable-1.0
Merge of r4335:
Fixed: some of $sent_http_* variables might contain header entries
which actually wasn't sent to a client.
The ngx_http_variable_headers() and ngx_http_variable_unknown_header()
functions did not ignore response header entries with zero "hash"
field.
Thanks to Yichun Zhang (agentzh).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Sun, 05 Feb 2012 12:37:48 +0000 |
| parents | fa4612bfb9fa |
| children | 4919fb357a5d |
| 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 { | |
| 4433 | 643 size_t len; |
| 644 u_char *p, *end; | |
| 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; |
| 4433 | 652 h = a->elts; |
| 653 | |
| 654 len = 0; | |
| 655 | |
| 656 for (i = 0; i < n; i++) { | |
| 657 | |
| 658 if (h[i]->hash == 0) { | |
| 659 continue; | |
| 660 } | |
| 661 | |
| 662 len += h[i]->value.len + sizeof("; ") - 1; | |
| 663 } | |
| 664 | |
| 665 if (len == 0) { | |
| 573 | 666 v->not_found = 1; |
| 667 return NGX_OK; | |
| 515 | 668 } |
| 669 | |
| 4433 | 670 len -= sizeof("; ") - 1; |
| 671 | |
| 573 | 672 v->valid = 1; |
| 1565 | 673 v->no_cacheable = 0; |
| 573 | 674 v->not_found = 0; |
| 515 | 675 |
| 667 | 676 if (n == 1) { |
| 573 | 677 v->len = (*h)->value.len; |
| 678 v->data = (*h)->value.data; | |
| 515 | 679 |
| 573 | 680 return NGX_OK; |
| 515 | 681 } |
| 682 | |
| 2049 | 683 p = ngx_pnalloc(r->pool, len); |
| 573 | 684 if (p == NULL) { |
| 685 return NGX_ERROR; | |
| 686 } | |
| 687 | |
| 688 v->len = len; | |
| 689 v->data = p; | |
| 515 | 690 |
| 4433 | 691 end = p + len; |
| 692 | |
| 515 | 693 for (i = 0; /* void */ ; i++) { |
| 4433 | 694 |
| 695 if (h[i]->hash == 0) { | |
| 696 continue; | |
| 697 } | |
| 698 | |
| 573 | 699 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 700 |
| 4433 | 701 if (p == end) { |
| 515 | 702 break; |
| 703 } | |
| 704 | |
| 705 *p++ = ';'; *p++ = ' '; | |
| 706 } | |
| 707 | |
| 573 | 708 return NGX_OK; |
| 515 | 709 } |
| 710 | |
| 711 | |
| 573 | 712 static ngx_int_t |
| 577 | 713 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 714 ngx_http_variable_value_t *v, uintptr_t data) | |
| 715 { | |
| 716 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 717 &r->headers_in.headers.part, | |
| 718 sizeof("http_") - 1); | |
| 719 } | |
| 720 | |
| 721 | |
| 722 static ngx_int_t | |
| 723 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 724 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 725 { |
| 577 | 726 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 727 &r->headers_out.headers.part, | |
| 728 sizeof("sent_http_") - 1); | |
| 729 } | |
| 501 | 730 |
| 577 | 731 |
| 1162 | 732 ngx_int_t |
| 577 | 733 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 734 ngx_list_part_t *part, size_t prefix) | |
| 735 { | |
| 573 | 736 u_char ch; |
| 737 ngx_uint_t i, n; | |
| 738 ngx_table_elt_t *header; | |
| 499 | 739 |
| 740 header = part->elts; | |
| 741 | |
| 742 for (i = 0; /* void */ ; i++) { | |
| 743 | |
| 744 if (i >= part->nelts) { | |
| 745 if (part->next == NULL) { | |
| 746 break; | |
| 747 } | |
| 748 | |
| 749 part = part->next; | |
| 750 header = part->elts; | |
| 751 i = 0; | |
| 752 } | |
| 753 | |
| 4433 | 754 if (header[i].hash == 0) { |
| 755 continue; | |
| 756 } | |
| 757 | |
| 577 | 758 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 759 ch = header[i].key.data[n]; |
| 760 | |
| 509 | 761 if (ch >= 'A' && ch <= 'Z') { |
| 762 ch |= 0x20; | |
| 499 | 763 |
| 764 } else if (ch == '-') { | |
| 765 ch = '_'; | |
| 766 } | |
| 767 | |
| 577 | 768 if (var->data[n + prefix] != ch) { |
| 499 | 769 break; |
| 770 } | |
| 771 } | |
| 772 | |
|
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773 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 774 v->len = header[i].value.len; |
| 775 v->valid = 1; | |
| 1565 | 776 v->no_cacheable = 0; |
| 573 | 777 v->not_found = 0; |
| 778 v->data = header[i].value.data; | |
| 499 | 779 |
| 573 | 780 return NGX_OK; |
| 499 | 781 } |
| 782 } | |
| 783 | |
| 573 | 784 v->not_found = 1; |
| 785 | |
| 786 return NGX_OK; | |
| 509 | 787 } |
| 788 | |
| 789 | |
| 573 | 790 static ngx_int_t |
|
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791 ngx_http_variable_request_line(ngx_http_request_t *r, |
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792 ngx_http_variable_value_t *v, uintptr_t data) |
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793 { |
|
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794 u_char *p, *s; |
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795 |
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diff
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|
796 s = r->request_line.data; |
|
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|
797 |
|
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|
798 if (s == NULL) { |
|
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|
799 s = r->request_start; |
|
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|
800 |
|
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|
801 if (s == NULL) { |
|
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|
802 v->not_found = 1; |
|
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|
803 return NGX_OK; |
|
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|
804 } |
|
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parents:
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|
805 |
|
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|
806 for (p = s; p < r->header_in->last; p++) { |
|
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parents:
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|
807 if (*p == CR || *p == LF) { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
808 break; |
|
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|
809 } |
|
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|
810 } |
|
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|
811 |
|
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|
812 r->request_line.len = p - s; |
|
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|
813 r->request_line.data = s; |
|
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|
814 } |
|
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|
815 |
|
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|
816 v->len = r->request_line.len; |
|
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|
817 v->valid = 1; |
|
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|
818 v->no_cacheable = 0; |
|
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changeset
|
819 v->not_found = 0; |
|
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|
820 v->data = s; |
|
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|
821 |
|
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Igor Sysoev <igor@sysoev.ru>
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|
822 return NGX_OK; |
|
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parents:
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|
823 } |
|
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|
824 |
|
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|
825 |
|
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|
826 static ngx_int_t |
| 2307 | 827 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 828 uintptr_t data) | |
| 829 { | |
| 830 ngx_str_t *name = (ngx_str_t *) data; | |
| 831 | |
| 832 ngx_str_t cookie, s; | |
| 833 | |
| 834 s.len = name->len - (sizeof("cookie_") - 1); | |
| 835 s.data = name->data + sizeof("cookie_") - 1; | |
| 836 | |
| 837 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 838 == NGX_DECLINED) | |
| 839 { | |
| 840 v->not_found = 1; | |
| 841 return NGX_OK; | |
| 842 } | |
| 843 | |
| 844 v->len = cookie.len; | |
| 845 v->valid = 1; | |
| 846 v->no_cacheable = 0; | |
| 847 v->not_found = 0; | |
| 848 v->data = cookie.data; | |
| 849 | |
| 850 return NGX_OK; | |
| 851 } | |
| 852 | |
| 853 | |
| 854 static ngx_int_t | |
| 2137 | 855 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 856 uintptr_t data) | |
| 857 { | |
| 858 ngx_str_t *name = (ngx_str_t *) data; | |
| 859 | |
| 2415 | 860 u_char *arg; |
| 861 size_t len; | |
| 862 ngx_str_t value; | |
| 2137 | 863 |
| 2415 | 864 len = name->len - (sizeof("arg_") - 1); |
| 865 arg = name->data + sizeof("arg_") - 1; | |
| 866 | |
| 867 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 868 v->not_found = 1; |
| 869 return NGX_OK; | |
| 870 } | |
| 871 | |
| 2415 | 872 v->data = value.data; |
| 873 v->len = value.len; | |
| 874 v->valid = 1; | |
| 875 v->no_cacheable = 0; | |
| 876 v->not_found = 0; | |
| 2137 | 877 |
| 878 return NGX_OK; | |
| 879 } | |
| 880 | |
| 881 | |
| 882 static ngx_int_t | |
| 573 | 883 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 884 uintptr_t data) | |
| 509 | 885 { |
| 1811 | 886 ngx_http_core_srv_conf_t *cscf; |
| 887 | |
|
2007
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|
888 if (r->headers_in.server.len) { |
|
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|
889 v->len = r->headers_in.server.len; |
|
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parents:
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changeset
|
890 v->data = r->headers_in.server.data; |
|
928
a6fe6bedb9e3
fix segfault when $host is used and
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864
diff
changeset
|
891 |
|
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fix segfault when $host is used and
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diff
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|
892 } else { |
|
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parents:
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changeset
|
893 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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|
894 |
|
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diff
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|
895 v->len = cscf->server_name.len; |
|
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|
896 v->data = cscf->server_name.data; |
| 509 | 897 } |
| 898 | |
| 573 | 899 v->valid = 1; |
| 1565 | 900 v->no_cacheable = 0; |
| 573 | 901 v->not_found = 0; |
| 509 | 902 |
| 573 | 903 return NGX_OK; |
| 499 | 904 } |
| 905 | |
| 906 | |
| 573 | 907 static ngx_int_t |
|
983
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982
diff
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|
908 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 909 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 910 { |
|
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|
911 struct sockaddr_in *sin; |
|
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|
912 #if (NGX_HAVE_INET6) |
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|
913 struct sockaddr_in6 *sin6; |
|
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|
914 #endif |
| 982 | 915 |
|
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|
916 switch (r->connection->sockaddr->sa_family) { |
|
983
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diff
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|
917 |
|
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|
918 #if (NGX_HAVE_INET6) |
|
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|
919 case AF_INET6: |
|
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|
920 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 921 |
|
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|
922 v->len = sizeof(struct in6_addr); |
|
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diff
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|
923 v->valid = 1; |
|
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|
924 v->no_cacheable = 0; |
|
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diff
changeset
|
925 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
|
926 v->data = sin6->sin6_addr.s6_addr; |
|
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|
927 |
|
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diff
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|
928 break; |
|
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diff
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|
929 #endif |
|
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diff
changeset
|
930 |
|
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diff
changeset
|
931 default: /* AF_INET */ |
|
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diff
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|
932 sin = (struct sockaddr_in *) r->connection->sockaddr; |
|
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|
933 |
|
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|
934 v->len = sizeof(in_addr_t); |
|
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|
935 v->valid = 1; |
|
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diff
changeset
|
936 v->no_cacheable = 0; |
|
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|
937 v->not_found = 0; |
|
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|
938 v->data = (u_char *) &sin->sin_addr; |
|
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|
939 |
|
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|
940 break; |
|
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changeset
|
941 } |
| 982 | 942 |
|
983
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
943 return NGX_OK; |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
944 } |
| 982 | 945 |
| 946 | |
|
983
7a8ca436d611
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parents:
982
diff
changeset
|
947 static ngx_int_t |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
948 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
|
949 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
950 { |
|
7a8ca436d611
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Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
951 v->len = r->connection->addr_text.len; |
|
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ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
952 v->valid = 1; |
| 1565 | 953 v->no_cacheable = 0; |
|
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
954 v->not_found = 0; |
|
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
955 v->data = r->connection->addr_text.data; |
| 499 | 956 |
| 573 | 957 return NGX_OK; |
| 499 | 958 } |
| 959 | |
| 960 | |
| 573 | 961 static ngx_int_t |
| 962 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 963 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 964 { |
|
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|
965 ngx_uint_t port; |
|
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|
966 struct sockaddr_in *sin; |
|
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|
967 #if (NGX_HAVE_INET6) |
|
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|
968 struct sockaddr_in6 *sin6; |
|
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|
969 #endif |
| 509 | 970 |
| 573 | 971 v->len = 0; |
| 972 v->valid = 1; | |
| 1565 | 973 v->no_cacheable = 0; |
| 573 | 974 v->not_found = 0; |
| 509 | 975 |
| 2049 | 976 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 977 if (v->data == NULL) { |
| 978 return NGX_ERROR; | |
| 509 | 979 } |
| 980 | |
|
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|
981 switch (r->connection->sockaddr->sa_family) { |
| 577 | 982 |
|
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|
983 #if (NGX_HAVE_INET6) |
|
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|
984 case AF_INET6: |
|
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changeset
|
985 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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diff
changeset
|
986 port = ntohs(sin6->sin6_port); |
|
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diff
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|
987 break; |
|
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|
988 #endif |
| 577 | 989 |
|
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990 default: /* AF_INET */ |
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991 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 992 port = ntohs(sin->sin_port); |
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993 break; |
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994 } |
| 577 | 995 |
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996 if (port > 0 && port < 65536) { |
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997 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 998 } |
| 999 | |
| 573 | 1000 return NGX_OK; |
| 509 | 1001 } |
| 1002 | |
| 1003 | |
| 573 | 1004 static ngx_int_t |
| 1005 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 1006 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1007 { |
| 1805 | 1008 ngx_str_t s; |
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1009 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 1010 |
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1011 s.len = NGX_SOCKADDR_STRLEN; |
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1012 s.data = addr; |
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1013 |
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1014 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1015 return NGX_ERROR; |
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1016 } |
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1017 |
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1018 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 1019 if (s.data == NULL) { |
| 573 | 1020 return NGX_ERROR; |
| 509 | 1021 } |
| 1022 | |
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1023 ngx_memcpy(s.data, addr, s.len); |
| 509 | 1024 |
| 1805 | 1025 v->len = s.len; |
| 573 | 1026 v->valid = 1; |
| 1565 | 1027 v->no_cacheable = 0; |
| 573 | 1028 v->not_found = 0; |
| 1805 | 1029 v->data = s.data; |
| 499 | 1030 |
| 573 | 1031 return NGX_OK; |
| 499 | 1032 } |
| 1033 | |
| 1034 | |
| 573 | 1035 static ngx_int_t |
| 1036 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1037 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1038 { |
| 2533 | 1039 ngx_uint_t port; |
| 1040 struct sockaddr_in *sin; | |
| 1041 #if (NGX_HAVE_INET6) | |
| 1042 struct sockaddr_in6 *sin6; | |
| 1043 #endif | |
| 1044 | |
| 1045 v->len = 0; | |
| 573 | 1046 v->valid = 1; |
| 1565 | 1047 v->no_cacheable = 0; |
| 573 | 1048 v->not_found = 0; |
| 2533 | 1049 |
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1050 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1051 return NGX_ERROR; |
| 1052 } | |
| 1053 | |
| 1054 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1055 if (v->data == NULL) { | |
| 1056 return NGX_ERROR; | |
| 1057 } | |
| 1058 | |
| 1059 switch (r->connection->local_sockaddr->sa_family) { | |
| 1060 | |
| 1061 #if (NGX_HAVE_INET6) | |
| 1062 case AF_INET6: | |
| 1063 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1064 port = ntohs(sin6->sin6_port); | |
| 1065 break; | |
| 1066 #endif | |
| 1067 | |
| 1068 default: /* AF_INET */ | |
| 1069 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1070 port = ntohs(sin->sin_port); | |
| 1071 break; | |
| 1072 } | |
| 1073 | |
| 1074 if (port > 0 && port < 65536) { | |
| 1075 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1076 } | |
| 509 | 1077 |
| 573 | 1078 return NGX_OK; |
| 509 | 1079 } |
| 1080 | |
| 1081 | |
| 573 | 1082 static ngx_int_t |
| 731 | 1083 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1084 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1085 { | |
| 1086 #if (NGX_HTTP_SSL) | |
| 1087 | |
| 1088 if (r->connection->ssl) { | |
| 1089 v->len = sizeof("https") - 1; | |
| 1090 v->valid = 1; | |
| 1565 | 1091 v->no_cacheable = 0; |
| 731 | 1092 v->not_found = 0; |
| 732 | 1093 v->data = (u_char *) "https"; |
| 731 | 1094 |
| 1095 return NGX_OK; | |
| 1096 } | |
| 1097 | |
| 1098 #endif | |
| 1099 | |
| 1100 v->len = sizeof("http") - 1; | |
| 1101 v->valid = 1; | |
| 1565 | 1102 v->no_cacheable = 0; |
| 731 | 1103 v->not_found = 0; |
| 732 | 1104 v->data = (u_char *) "http"; |
| 731 | 1105 |
| 1106 return NGX_OK; | |
| 1107 } | |
| 1108 | |
| 1109 | |
| 1110 static ngx_int_t | |
| 1351 | 1111 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1112 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1113 { | |
| 1114 v->valid = 1; | |
| 1565 | 1115 v->no_cacheable = 0; |
| 1351 | 1116 v->not_found = 0; |
| 1117 | |
| 1118 if (r->args.len == 0) { | |
| 1119 v->len = 0; | |
| 1120 v->data = NULL; | |
| 1121 return NGX_OK; | |
| 1122 } | |
| 1123 | |
| 1124 v->len = 1; | |
| 1125 v->data = (u_char *) "?"; | |
| 1126 | |
| 1127 return NGX_OK; | |
| 1128 } | |
| 1129 | |
| 1130 | |
| 1131 static ngx_int_t | |
| 573 | 1132 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1133 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1134 { |
| 671 | 1135 ngx_str_t path; |
| 573 | 1136 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1137 |
| 1138 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1139 | |
| 671 | 1140 if (clcf->root_lengths == NULL) { |
| 1141 v->len = clcf->root.len; | |
| 1142 v->valid = 1; | |
| 1565 | 1143 v->no_cacheable = 0; |
| 671 | 1144 v->not_found = 0; |
| 1145 v->data = clcf->root.data; | |
| 1146 | |
| 1147 } else { | |
| 1148 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1149 clcf->root_values->elts) | |
| 1150 == NULL) | |
| 1151 { | |
| 1152 return NGX_ERROR; | |
| 1153 } | |
| 1154 | |
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1155 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1156 return NGX_ERROR; |
| 1157 } | |
| 1158 | |
| 1159 v->len = path.len; | |
| 1160 v->valid = 1; | |
| 1565 | 1161 v->no_cacheable = 0; |
| 671 | 1162 v->not_found = 0; |
| 1163 v->data = path.data; | |
| 1164 } | |
| 509 | 1165 |
| 573 | 1166 return NGX_OK; |
| 509 | 1167 } |
| 1168 | |
| 1169 | |
| 573 | 1170 static ngx_int_t |
| 2259 | 1171 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1172 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1173 { | |
| 1174 size_t len; | |
| 1175 ngx_str_t path; | |
| 1176 ngx_http_core_loc_conf_t *clcf; | |
| 1177 u_char real[NGX_MAX_PATH]; | |
| 1178 | |
| 1179 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1180 | |
| 1181 if (clcf->root_lengths == NULL) { | |
| 1182 path = clcf->root; | |
| 1183 | |
| 1184 } else { | |
| 1185 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1186 clcf->root_values->elts) | |
| 1187 == NULL) | |
| 1188 { | |
| 1189 return NGX_ERROR; | |
| 1190 } | |
| 1191 | |
| 1192 path.data[path.len - 1] = '\0'; | |
| 1193 | |
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1194 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1195 return NGX_ERROR; |
| 1196 } | |
| 1197 } | |
| 1198 | |
| 1199 if (ngx_realpath(path.data, real) == NULL) { | |
| 1200 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1201 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1202 return NGX_ERROR; | |
| 1203 } | |
| 1204 | |
| 1205 len = ngx_strlen(real); | |
| 1206 | |
| 1207 v->data = ngx_pnalloc(r->pool, len); | |
| 1208 if (v->data == NULL) { | |
| 1209 return NGX_ERROR; | |
| 1210 } | |
| 1211 | |
| 1212 v->len = len; | |
| 1213 v->valid = 1; | |
| 1214 v->no_cacheable = 0; | |
| 1215 v->not_found = 0; | |
| 1216 | |
| 1217 ngx_memcpy(v->data, real, len); | |
| 1218 | |
| 1219 return NGX_OK; | |
| 1220 } | |
| 1221 | |
| 1222 | |
| 1223 static ngx_int_t | |
| 573 | 1224 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1225 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1226 { |
| 773 | 1227 size_t root; |
| 573 | 1228 ngx_str_t path; |
| 499 | 1229 |
| 773 | 1230 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1231 return NGX_ERROR; |
| 557 | 1232 } |
| 509 | 1233 |
| 557 | 1234 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1235 |
| 573 | 1236 v->len = path.len - 1; |
| 1237 v->valid = 1; | |
| 1565 | 1238 v->no_cacheable = 0; |
| 573 | 1239 v->not_found = 0; |
| 1240 v->data = path.data; | |
| 499 | 1241 |
| 573 | 1242 return NGX_OK; |
| 499 | 1243 } |
| 1244 | |
| 1245 | |
| 573 | 1246 static ngx_int_t |
| 1811 | 1247 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1248 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1249 { | |
| 1250 ngx_http_core_srv_conf_t *cscf; | |
| 1251 | |
| 1252 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1253 | |
| 1254 v->len = cscf->server_name.len; | |
| 1255 v->valid = 1; | |
| 1256 v->no_cacheable = 0; | |
| 1257 v->not_found = 0; | |
| 1258 v->data = cscf->server_name.data; | |
| 1259 | |
| 1260 return NGX_OK; | |
| 1261 } | |
| 1262 | |
| 1263 | |
| 1264 static ngx_int_t | |
| 573 | 1265 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1266 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1267 { |
| 647 | 1268 if (r->main->method_name.data) { |
| 1269 v->len = r->main->method_name.len; | |
| 573 | 1270 v->valid = 1; |
| 1565 | 1271 v->no_cacheable = 0; |
| 573 | 1272 v->not_found = 0; |
| 647 | 1273 v->data = r->main->method_name.data; |
| 573 | 1274 |
| 1275 } else { | |
| 1276 v->not_found = 1; | |
| 561 | 1277 } |
| 1278 | |
| 573 | 1279 return NGX_OK; |
| 561 | 1280 } |
| 1281 | |
| 1282 | |
| 573 | 1283 static ngx_int_t |
| 1284 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1285 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1286 { |
| 573 | 1287 ngx_int_t rc; |
| 539 | 1288 |
| 1289 rc = ngx_http_auth_basic_user(r); | |
| 1290 | |
| 1291 if (rc == NGX_DECLINED) { | |
| 573 | 1292 v->not_found = 1; |
| 1293 return NGX_OK; | |
| 539 | 1294 } |
| 1295 | |
| 1296 if (rc == NGX_ERROR) { | |
| 573 | 1297 return NGX_ERROR; |
| 539 | 1298 } |
| 1299 | |
| 573 | 1300 v->len = r->headers_in.user.len; |
| 1301 v->valid = 1; | |
| 1565 | 1302 v->no_cacheable = 0; |
| 573 | 1303 v->not_found = 0; |
| 1304 v->data = r->headers_in.user.data; | |
| 571 | 1305 |
| 573 | 1306 return NGX_OK; |
| 571 | 1307 } |
| 1308 | |
| 1309 | |
| 611 | 1310 static ngx_int_t |
| 1311 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1312 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1313 { | |
| 1314 off_t sent; | |
| 1315 u_char *p; | |
| 1316 | |
| 1317 sent = r->connection->sent - r->header_size; | |
| 1318 | |
| 1319 if (sent < 0) { | |
| 1320 sent = 0; | |
| 1321 } | |
| 1322 | |
| 2049 | 1323 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1324 if (p == NULL) { |
| 1325 return NGX_ERROR; | |
| 1326 } | |
| 1327 | |
| 1328 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1329 v->valid = 1; | |
| 1565 | 1330 v->no_cacheable = 0; |
| 611 | 1331 v->not_found = 0; |
| 1332 v->data = p; | |
| 1333 | |
| 1334 return NGX_OK; | |
| 1335 } | |
| 1336 | |
| 1337 | |
| 629 | 1338 static ngx_int_t |
| 641 | 1339 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1340 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1341 { | |
| 1342 if (r->headers_out.content_type.len) { | |
| 1343 v->len = r->headers_out.content_type.len; | |
| 1344 v->valid = 1; | |
| 1565 | 1345 v->no_cacheable = 0; |
| 641 | 1346 v->not_found = 0; |
| 1347 v->data = r->headers_out.content_type.data; | |
| 1348 | |
| 1349 } else { | |
| 1350 v->not_found = 1; | |
| 1351 } | |
| 1352 | |
| 1353 return NGX_OK; | |
| 1354 } | |
| 1355 | |
| 1356 | |
| 1357 static ngx_int_t | |
| 1358 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1359 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1360 { | |
| 1361 u_char *p; | |
| 1362 | |
| 1363 if (r->headers_out.content_length) { | |
| 1364 v->len = r->headers_out.content_length->value.len; | |
| 1365 v->valid = 1; | |
| 1565 | 1366 v->no_cacheable = 0; |
| 641 | 1367 v->not_found = 0; |
| 1368 v->data = r->headers_out.content_length->value.data; | |
| 1369 | |
| 1370 return NGX_OK; | |
| 1371 } | |
| 1372 | |
| 1373 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1374 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1375 if (p == NULL) { |
| 1376 return NGX_ERROR; | |
| 1377 } | |
| 1378 | |
| 1379 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1380 v->valid = 1; | |
| 1565 | 1381 v->no_cacheable = 0; |
| 641 | 1382 v->not_found = 0; |
| 1383 v->data = p; | |
| 1384 | |
| 1385 return NGX_OK; | |
| 1386 } | |
| 1387 | |
| 1388 v->not_found = 1; | |
| 1389 | |
| 1390 return NGX_OK; | |
| 1391 } | |
| 1392 | |
| 1393 | |
| 1394 static ngx_int_t | |
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1395 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1396 ngx_http_variable_value_t *v, uintptr_t data) |
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1397 { |
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1398 ngx_str_t name; |
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1399 |
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1400 if (r->headers_out.location) { |
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1401 v->len = r->headers_out.location->value.len; |
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1402 v->valid = 1; |
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1403 v->no_cacheable = 0; |
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1404 v->not_found = 0; |
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1405 v->data = r->headers_out.location->value.data; |
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1406 |
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1407 return NGX_OK; |
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1408 } |
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1409 |
|
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1410 ngx_str_set(&name, "sent_http_location"); |
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1411 |
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1412 return ngx_http_variable_unknown_header(v, &name, |
|
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1413 &r->headers_out.headers.part, |
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1414 sizeof("sent_http_") - 1); |
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1415 } |
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1416 |
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1417 |
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1418 static ngx_int_t |
| 641 | 1419 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1420 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1421 { | |
| 1422 u_char *p; | |
| 1423 | |
| 1424 if (r->headers_out.last_modified) { | |
| 1425 v->len = r->headers_out.last_modified->value.len; | |
| 1426 v->valid = 1; | |
| 1565 | 1427 v->no_cacheable = 0; |
| 641 | 1428 v->not_found = 0; |
| 1429 v->data = r->headers_out.last_modified->value.data; | |
| 1430 | |
| 1431 return NGX_OK; | |
| 1432 } | |
| 1433 | |
| 1434 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1435 p = ngx_pnalloc(r->pool, |
| 641 | 1436 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1437 if (p == NULL) { | |
| 1438 return NGX_ERROR; | |
| 1439 } | |
| 1440 | |
| 1441 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1442 v->valid = 1; | |
| 1565 | 1443 v->no_cacheable = 0; |
| 641 | 1444 v->not_found = 0; |
| 1445 v->data = p; | |
| 1446 | |
| 1447 return NGX_OK; | |
| 1448 } | |
| 1449 | |
| 1450 v->not_found = 1; | |
| 1451 | |
| 1452 return NGX_OK; | |
| 1453 } | |
| 1454 | |
| 1455 | |
| 1456 static ngx_int_t | |
| 1457 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1458 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1459 { | |
| 1460 size_t len; | |
| 1461 char *p; | |
| 1462 | |
| 1463 if (r->keepalive) { | |
| 1464 len = sizeof("keep-alive") - 1; | |
| 1465 p = "keep-alive"; | |
| 1466 | |
| 1467 } else { | |
| 1468 len = sizeof("close") - 1; | |
| 1469 p = "close"; | |
| 1470 } | |
| 1471 | |
| 1472 v->len = len; | |
| 1473 v->valid = 1; | |
| 1565 | 1474 v->no_cacheable = 0; |
| 641 | 1475 v->not_found = 0; |
| 1476 v->data = (u_char *) p; | |
| 1477 | |
| 1478 return NGX_OK; | |
| 1479 } | |
| 1480 | |
| 1481 | |
| 1482 static ngx_int_t | |
| 1483 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1484 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1485 { | |
| 1486 u_char *p; | |
| 1487 ngx_http_core_loc_conf_t *clcf; | |
| 1488 | |
| 1489 if (r->keepalive) { | |
| 1490 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1491 | |
| 1492 if (clcf->keepalive_header) { | |
| 1493 | |
| 2049 | 1494 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1495 if (p == NULL) { |
| 1496 return NGX_ERROR; | |
| 1497 } | |
| 1498 | |
| 1499 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1500 v->valid = 1; | |
| 1565 | 1501 v->no_cacheable = 0; |
| 641 | 1502 v->not_found = 0; |
| 1503 v->data = p; | |
| 1504 | |
| 1505 return NGX_OK; | |
| 1506 } | |
| 1507 } | |
| 1508 | |
| 1509 v->not_found = 1; | |
| 1510 | |
| 1511 return NGX_OK; | |
| 1512 } | |
| 1513 | |
| 1514 | |
| 1515 static ngx_int_t | |
| 1516 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1517 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1518 { | |
| 1519 if (r->chunked) { | |
| 1520 v->len = sizeof("chunked") - 1; | |
| 1521 v->valid = 1; | |
| 1565 | 1522 v->no_cacheable = 0; |
| 641 | 1523 v->not_found = 0; |
| 1524 v->data = (u_char *) "chunked"; | |
| 1525 | |
| 1526 } else { | |
| 1527 v->not_found = 1; | |
| 1528 } | |
| 1529 | |
| 1530 return NGX_OK; | |
| 1531 } | |
| 1532 | |
| 1533 | |
| 1534 static ngx_int_t | |
| 629 | 1535 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1536 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1537 { | |
| 1538 if (r->request_complete) { | |
| 1539 v->len = 2; | |
| 1540 v->valid = 1; | |
| 1565 | 1541 v->no_cacheable = 0; |
| 629 | 1542 v->not_found = 0; |
| 1543 v->data = (u_char *) "OK"; | |
| 1544 | |
| 1545 return NGX_OK; | |
| 1546 } | |
| 1547 | |
| 1548 v->len = 0; | |
| 1549 v->valid = 1; | |
| 1565 | 1550 v->no_cacheable = 0; |
| 629 | 1551 v->not_found = 0; |
| 1552 v->data = (u_char *) ""; | |
| 1553 | |
| 1554 return NGX_OK; | |
| 1555 } | |
| 1556 | |
| 1557 | |
| 759 | 1558 static ngx_int_t |
| 2844 | 1559 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1560 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1561 { | |
| 1562 u_char *p; | |
| 1563 size_t len; | |
| 1564 ngx_buf_t *buf, *next; | |
| 1565 ngx_chain_t *cl; | |
| 1566 | |
|
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1567 if (r->request_body == NULL |
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1568 || r->request_body->bufs == NULL |
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1569 || r->request_body->temp_file) |
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1570 { |
| 2844 | 1571 v->not_found = 1; |
| 1572 | |
| 1573 return NGX_OK; | |
| 1574 } | |
| 1575 | |
| 1576 cl = r->request_body->bufs; | |
| 1577 buf = cl->buf; | |
| 1578 | |
| 1579 if (cl->next == NULL) { | |
| 1580 v->len = buf->last - buf->pos; | |
| 1581 v->valid = 1; | |
| 1582 v->no_cacheable = 0; | |
| 1583 v->not_found = 0; | |
| 1584 v->data = buf->pos; | |
| 1585 | |
| 1586 return NGX_OK; | |
| 1587 } | |
| 1588 | |
| 1589 next = cl->next->buf; | |
| 1590 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1591 | |
| 1592 p = ngx_pnalloc(r->pool, len); | |
| 1593 if (p == NULL) { | |
| 1594 return NGX_ERROR; | |
| 1595 } | |
| 1596 | |
| 1597 v->data = p; | |
| 1598 | |
| 1599 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1600 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1601 | |
| 1602 v->len = len; | |
| 1603 v->valid = 1; | |
| 1604 v->no_cacheable = 0; | |
| 1605 v->not_found = 0; | |
| 1606 | |
| 1607 return NGX_OK; | |
| 1608 } | |
| 1609 | |
| 1610 | |
| 1611 static ngx_int_t | |
| 759 | 1612 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1613 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1614 { | |
| 1615 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1616 v->not_found = 1; |
| 759 | 1617 |
| 1618 return NGX_OK; | |
| 1619 } | |
| 1620 | |
| 1621 v->len = r->request_body->temp_file->file.name.len; | |
| 1622 v->valid = 1; | |
| 1565 | 1623 v->no_cacheable = 0; |
| 759 | 1624 v->not_found = 0; |
| 1625 v->data = r->request_body->temp_file->file.name.data; | |
| 1626 | |
| 1627 return NGX_OK; | |
| 1628 } | |
| 1629 | |
| 1630 | |
| 1329 | 1631 static ngx_int_t |
| 1632 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1633 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1634 { | |
| 1635 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1636 v->valid = 1; | |
| 1565 | 1637 v->no_cacheable = 0; |
| 1329 | 1638 v->not_found = 0; |
| 1639 v->data = (u_char *) NGINX_VERSION; | |
| 1640 | |
| 1641 return NGX_OK; | |
| 1642 } | |
| 1643 | |
| 1644 | |
| 2011 | 1645 static ngx_int_t |
| 1646 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1647 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1648 { | |
| 1649 v->len = ngx_cycle->hostname.len; | |
| 1650 v->valid = 1; | |
| 1651 v->no_cacheable = 0; | |
| 1652 v->not_found = 0; | |
| 1653 v->data = ngx_cycle->hostname.data; | |
| 1654 | |
| 1655 return NGX_OK; | |
| 1656 } | |
| 1657 | |
| 1658 | |
| 2249 | 1659 static ngx_int_t |
| 1660 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1661 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1662 { | |
| 1663 u_char *p; | |
| 1664 | |
| 1665 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1666 if (p == NULL) { | |
| 1667 return NGX_ERROR; | |
| 1668 } | |
| 1669 | |
| 1670 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1671 v->valid = 1; | |
| 1672 v->no_cacheable = 0; | |
| 1673 v->not_found = 0; | |
| 1674 v->data = p; | |
| 1675 | |
| 1676 return NGX_OK; | |
| 1677 } | |
| 1678 | |
| 1679 | |
|
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1680 void * |
|
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1681 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
|
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1682 { |
|
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1683 void *value; |
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1684 u_char *low; |
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1685 size_t len; |
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1686 ngx_uint_t key; |
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1687 |
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1688 len = match->len; |
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1689 |
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1690 if (len) { |
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1691 low = ngx_pnalloc(r->pool, len); |
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1692 if (low == NULL) { |
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1693 return NULL; |
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1694 } |
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1695 |
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1696 } else { |
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1697 low = NULL; |
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1698 } |
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1699 |
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1700 key = ngx_hash_strlow(low, match->data, len); |
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1701 |
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1702 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1703 if (value) { |
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1704 return value; |
|
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1705 } |
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1706 |
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1707 #if (NGX_PCRE) |
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1708 |
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1709 if (len && map->nregex) { |
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1710 ngx_int_t n; |
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1711 ngx_uint_t i; |
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1712 ngx_http_map_regex_t *reg; |
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1713 |
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1714 reg = map->regex; |
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1715 |
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1716 for (i = 0; i < map->nregex; i++) { |
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1717 |
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1718 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1719 |
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1720 if (n == NGX_OK) { |
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1721 return reg[i].value; |
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1722 } |
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1723 |
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1724 if (n == NGX_DECLINED) { |
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1725 continue; |
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1726 } |
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1727 |
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1728 /* NGX_ERROR */ |
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1729 |
|
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1730 return NULL; |
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1731 } |
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1732 } |
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1733 |
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1734 #endif |
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1735 |
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1736 return NULL; |
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1737 } |
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1738 |
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1739 |
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1740 #if (NGX_PCRE) |
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1741 |
| 3325 | 1742 static ngx_int_t |
| 1743 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 1744 uintptr_t data) | |
| 1745 { | |
| 1746 v->not_found = 1; | |
| 1747 return NGX_OK; | |
| 1748 } | |
| 1749 | |
| 1750 | |
| 1751 ngx_http_regex_t * | |
| 1752 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 1753 { | |
| 1754 u_char *p; | |
| 1755 size_t size; | |
| 1756 ngx_str_t name; | |
| 1757 ngx_uint_t i, n; | |
| 1758 ngx_http_variable_t *v; | |
| 1759 ngx_http_regex_t *re; | |
| 1760 ngx_http_regex_variable_t *rv; | |
| 1761 ngx_http_core_main_conf_t *cmcf; | |
| 1762 | |
| 1763 rc->pool = cf->pool; | |
| 1764 | |
| 1765 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 1766 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 1767 return NULL; | |
| 1768 } | |
| 1769 | |
| 1770 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
| 1771 if (re == NULL) { | |
| 1772 return NULL; | |
| 1773 } | |
| 1774 | |
| 1775 re->regex = rc->regex; | |
| 1776 re->ncaptures = rc->captures; | |
| 1777 | |
| 1778 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1779 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 1780 | |
| 1781 n = (ngx_uint_t) rc->named_captures; | |
| 1782 | |
| 1783 if (n == 0) { | |
| 1784 return re; | |
| 1785 } | |
| 1786 | |
| 1787 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
| 1788 if (rv == NULL) { | |
| 1789 return NULL; | |
| 1790 } | |
| 1791 | |
| 1792 re->variables = rv; | |
| 1793 re->nvariables = n; | |
| 1794 re->name = rc->pattern; | |
| 1795 | |
| 1796 size = rc->name_size; | |
| 1797 p = rc->names; | |
| 1798 | |
| 1799 for (i = 0; i < n; i++) { | |
| 1800 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 1801 | |
| 1802 name.data = &p[2]; | |
| 1803 name.len = ngx_strlen(name.data); | |
| 1804 | |
| 1805 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 1806 if (v == NULL) { | |
| 1807 return NULL; | |
| 1808 } | |
| 1809 | |
| 1810 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
| 1811 if (rv[i].index == NGX_ERROR) { | |
| 1812 return NULL; | |
| 1813 } | |
| 1814 | |
| 1815 v->get_handler = ngx_http_variable_not_found; | |
| 1816 | |
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1817 p += size; |
| 3325 | 1818 } |
| 1819 | |
| 1820 return re; | |
| 1821 } | |
| 1822 | |
| 1823 | |
| 1824 ngx_int_t | |
| 1825 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
| 1826 { | |
| 1827 ngx_int_t rc, index; | |
| 1828 ngx_uint_t i, n, len; | |
| 1829 ngx_http_variable_value_t *vv; | |
| 1830 ngx_http_core_main_conf_t *cmcf; | |
| 1831 | |
| 1832 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1833 | |
| 1834 if (re->ncaptures) { | |
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1835 len = cmcf->ncaptures; |
| 3325 | 1836 |
| 1837 if (r->captures == NULL) { | |
| 1838 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
| 1839 if (r->captures == NULL) { | |
| 1840 return NGX_ERROR; | |
| 1841 } | |
| 1842 } | |
| 1843 | |
| 1844 } else { | |
| 1845 len = 0; | |
| 1846 } | |
| 1847 | |
| 1848 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
| 1849 | |
| 1850 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 1851 return NGX_DECLINED; | |
| 1852 } | |
| 1853 | |
| 1854 if (rc < 0) { | |
| 1855 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 1856 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 1857 rc, s, &re->name); | |
| 1858 return NGX_ERROR; | |
| 1859 } | |
| 1860 | |
| 1861 for (i = 0; i < re->nvariables; i++) { | |
| 1862 | |
| 1863 n = re->variables[i].capture; | |
| 1864 index = re->variables[i].index; | |
| 1865 vv = &r->variables[index]; | |
| 1866 | |
| 1867 vv->len = r->captures[n + 1] - r->captures[n]; | |
| 1868 vv->valid = 1; | |
| 1869 vv->no_cacheable = 0; | |
| 1870 vv->not_found = 0; | |
| 1871 vv->data = &s->data[r->captures[n]]; | |
| 1872 | |
| 1873 #if (NGX_DEBUG) | |
| 1874 { | |
| 1875 ngx_http_variable_t *v; | |
| 1876 | |
| 1877 v = cmcf->variables.elts; | |
| 1878 | |
| 1879 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1880 "http regex set $%V to \"%*s\"", | |
| 1881 &v[index].name, vv->len, vv->data); | |
| 1882 } | |
| 1883 #endif | |
| 1884 } | |
| 1885 | |
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1886 r->ncaptures = rc * 2; |
| 3325 | 1887 r->captures_data = s->data; |
| 1888 | |
| 1889 return NGX_OK; | |
| 1890 } | |
| 1891 | |
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1892 #endif |
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1893 |
| 3325 | 1894 |
| 499 | 1895 ngx_int_t |
| 509 | 1896 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1897 { |
| 611 | 1898 ngx_int_t rc; |
| 1899 ngx_http_variable_t *v; | |
| 501 | 1900 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1901 |
| 509 | 1902 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1903 | |
| 611 | 1904 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1905 sizeof(ngx_hash_keys_arrays_t)); | |
| 1906 if (cmcf->variables_keys == NULL) { | |
| 1907 return NGX_ERROR; | |
| 1908 } | |
| 1909 | |
| 1910 cmcf->variables_keys->pool = cf->pool; | |
| 1911 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1912 | |
| 1913 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1914 != NGX_OK) | |
| 509 | 1915 { |
| 499 | 1916 return NGX_ERROR; |
| 1917 } | |
| 1918 | |
| 611 | 1919 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1920 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1921 NGX_HASH_READONLY_KEY); | |
| 1922 | |
| 1923 if (rc == NGX_OK) { | |
| 1924 continue; | |
| 499 | 1925 } |
| 1926 | |
| 611 | 1927 if (rc == NGX_BUSY) { |
| 1928 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1929 "conflicting variable name \"%V\"", &v->name); | |
| 1930 } | |
| 1931 | |
| 1932 return NGX_ERROR; | |
| 499 | 1933 } |
| 1934 | |
| 1935 return NGX_OK; | |
| 1936 } | |
| 509 | 1937 |
| 1938 | |
| 1939 ngx_int_t | |
| 1940 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1941 { | |
| 1942 ngx_uint_t i, n; | |
| 611 | 1943 ngx_hash_key_t *key; |
| 1944 ngx_hash_init_t hash; | |
| 509 | 1945 ngx_http_variable_t *v, *av; |
| 1946 ngx_http_core_main_conf_t *cmcf; | |
| 1947 | |
| 1948 /* set the handlers for the indexed http variables */ | |
| 1949 | |
| 1950 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1951 | |
| 1952 v = cmcf->variables.elts; | |
| 611 | 1953 key = cmcf->variables_keys->keys.elts; |
| 509 | 1954 |
| 1955 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1956 | |
| 611 | 1957 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1958 |
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1959 av = key[n].value; |
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1960 |
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1961 if (av->get_handler |
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1962 && v[i].name.len == key[n].key.len |
| 611 | 1963 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1964 == 0) |
| 1965 { | |
| 637 | 1966 v[i].get_handler = av->get_handler; |
| 611 | 1967 v[i].data = av->data; |
| 527 | 1968 |
| 611 | 1969 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1970 v[i].flags = av->flags; | |
| 509 | 1971 |
| 611 | 1972 av->index = i; |
| 533 | 1973 |
| 509 | 1974 goto next; |
| 1975 } | |
| 1976 } | |
| 1977 | |
| 1978 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1979 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1980 v[i].data = (uintptr_t) &v[i].name; |
| 1981 | |
| 1982 continue; | |
| 1983 } | |
| 1984 | |
| 1985 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1986 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1987 v[i].data = (uintptr_t) &v[i].name; |
| 1988 | |
| 1989 continue; | |
| 1990 } | |
| 1991 | |
| 1162 | 1992 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1993 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1994 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1995 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1996 |
| 1997 continue; | |
| 1998 } | |
| 1999 | |
| 2307 | 2000 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 2001 v[i].get_handler = ngx_http_variable_cookie; | |
| 2002 v[i].data = (uintptr_t) &v[i].name; | |
| 2003 | |
| 2004 continue; | |
| 2005 } | |
| 2006 | |
| 2137 | 2007 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 2008 v[i].get_handler = ngx_http_variable_argument; | |
| 2009 v[i].data = (uintptr_t) &v[i].name; | |
|
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2010 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 2137 | 2011 |
| 2012 continue; | |
| 2013 } | |
| 2014 | |
| 509 | 2015 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 2016 "unknown \"%V\" variable", &v[i].name); | |
| 2017 | |
| 2018 return NGX_ERROR; | |
| 2019 | |
| 2020 next: | |
| 2021 continue; | |
| 2022 } | |
| 2023 | |
| 2024 | |
| 611 | 2025 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 2026 av = key[n].value; | |
| 2027 | |
| 2028 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 2029 key[n].key.data = NULL; | |
| 583 | 2030 } |
| 2031 } | |
| 2032 | |
| 2033 | |
| 611 | 2034 hash.hash = &cmcf->variables_hash; |
| 2035 hash.key = ngx_hash_key; | |
| 2036 hash.max_size = cmcf->variables_hash_max_size; | |
| 2037 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 2038 hash.name = "variables_hash"; | |
| 2039 hash.pool = cf->pool; | |
| 2040 hash.temp_pool = NULL; | |
| 509 | 2041 |
| 611 | 2042 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 2043 cmcf->variables_keys->keys.nelts) | |
| 581 | 2044 != NGX_OK) |
| 509 | 2045 { |
| 2046 return NGX_ERROR; | |
| 2047 } | |
| 2048 | |
| 611 | 2049 cmcf->variables_keys = NULL; |
| 509 | 2050 |
| 2051 return NGX_OK; | |
| 2052 } |