Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 4332:4d9f985fd217
Added the $https variable.
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Fri, 09 Dec 2011 14:38:11 +0000 |
| parents | fa4612bfb9fa |
| children | f8881d301d62 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
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17 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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18 ngx_http_variable_value_t *v, uintptr_t data); |
| 637 | 19 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 21 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 23 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 24 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 25 |
| 26 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 27 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 28 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 29 ngx_http_variable_value_t *v, uintptr_t data); | |
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30 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
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31 ngx_http_variable_value_t *v, uintptr_t data); |
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32 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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33 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 34 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 35 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 36 |
| 573 | 37 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
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ngx_http_variable_binary_remote_addr()
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39 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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40 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 41 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 45 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 47 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 49 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
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Added the $https variable.
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51 static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r, |
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52 ngx_http_variable_value_t *v, uintptr_t data); |
| 1351 | 53 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 55 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 56 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 57 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 59 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 61 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 63 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 65 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 67 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 68 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 69 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 70 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2844 | 71 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
| 72 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 73 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 74 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 75 |
| 641 | 76 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
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80 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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81 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 82 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 83 ngx_http_variable_value_t *v, uintptr_t data); | |
| 84 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 85 ngx_http_variable_value_t *v, uintptr_t data); | |
| 86 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 87 ngx_http_variable_value_t *v, uintptr_t data); | |
| 88 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 89 ngx_http_variable_value_t *v, uintptr_t data); | |
| 90 | |
| 1329 | 91 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 92 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 93 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 94 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 95 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 96 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 97 |
| 509 | 98 /* |
| 99 * TODO: | |
| 100 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 101 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 102 * SERVER_SOFTWARE | |
| 103 * | |
| 571 | 104 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 105 */ |
| 499 | 106 |
| 641 | 107 /* |
| 108 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 109 * and $http_x_forwarded_for variables may be handled by generic | |
| 110 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 111 * they are handled using dedicated entries | |
| 112 */ | |
| 113 | |
| 509 | 114 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 115 | |
| 637 | 116 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 118 |
| 637 | 119 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 120 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 121 |
| 637 | 122 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 123 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 124 |
| 125 #if (NGX_HTTP_GZIP) | |
| 637 | 126 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 127 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 128 #endif |
| 129 | |
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130 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 131 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 132 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 133 #endif |
| 134 | |
| 637 | 135 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 136 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 137 |
| 637 | 138 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 139 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 140 |
| 637 | 141 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 142 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 143 |
| 637 | 144 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 145 |
| 982 | 146 { ngx_string("binary_remote_addr"), NULL, |
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147 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 148 |
| 637 | 149 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 150 |
| 637 | 151 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 152 |
| 637 | 153 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 154 |
| 637 | 155 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 156 |
| 637 | 157 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 158 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 159 |
| 731 | 160 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 161 | |
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162 { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 }, |
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163 |
| 637 | 164 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 165 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 166 |
| 637 | 167 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 168 offsetof(ngx_http_request_t, uri), | |
| 1565 | 169 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 170 |
| 171 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 172 offsetof(ngx_http_request_t, uri), |
| 1565 | 173 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 174 |
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175 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
| 569 | 176 |
| 637 | 177 { ngx_string("document_root"), NULL, |
| 1565 | 178 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 179 |
| 2259 | 180 { ngx_string("realpath_root"), NULL, |
| 181 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 182 | |
| 637 | 183 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 184 offsetof(ngx_http_request_t, args), |
| 1565 | 185 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 186 |
| 1350 | 187 { ngx_string("args"), |
| 188 ngx_http_variable_request_set, | |
| 189 ngx_http_variable_request, | |
| 589 | 190 offsetof(ngx_http_request_t, args), |
| 1565 | 191 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 192 |
| 1351 | 193 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 194 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 195 |
| 637 | 196 { ngx_string("request_filename"), NULL, |
| 197 ngx_http_variable_request_filename, 0, | |
| 1565 | 198 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 199 |
| 1811 | 200 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 201 |
| 637 | 202 { ngx_string("request_method"), NULL, |
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203 ngx_http_variable_request_method, 0, |
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204 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 205 |
| 637 | 206 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 207 |
| 637 | 208 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 209 0, 0, 0 }, |
| 210 | |
| 637 | 211 { ngx_string("request_completion"), NULL, |
| 212 ngx_http_variable_request_completion, | |
| 629 | 213 0, 0, 0 }, |
| 214 | |
| 2844 | 215 { ngx_string("request_body"), NULL, |
| 216 ngx_http_variable_request_body, | |
| 217 0, 0, 0 }, | |
| 218 | |
| 759 | 219 { ngx_string("request_body_file"), NULL, |
| 220 ngx_http_variable_request_body_file, | |
| 221 0, 0, 0 }, | |
| 222 | |
| 641 | 223 { ngx_string("sent_http_content_type"), NULL, |
| 224 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 225 | |
| 226 { ngx_string("sent_http_content_length"), NULL, | |
| 227 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 228 | |
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229 { ngx_string("sent_http_location"), NULL, |
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230 ngx_http_variable_sent_location, 0, 0, 0 }, |
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231 |
| 641 | 232 { ngx_string("sent_http_last_modified"), NULL, |
| 233 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 234 | |
| 235 { ngx_string("sent_http_connection"), NULL, | |
| 236 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 237 | |
| 238 { ngx_string("sent_http_keep_alive"), NULL, | |
| 239 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 240 | |
| 241 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 242 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 243 | |
| 244 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 245 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 246 | |
| 637 | 247 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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248 ngx_http_variable_request_get_size, |
| 637 | 249 offsetof(ngx_http_request_t, limit_rate), |
| 1565 | 250 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 251 |
| 1329 | 252 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 253 0, 0, 0 }, | |
| 254 | |
| 2011 | 255 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 256 0, 0, 0 }, | |
| 257 | |
| 2249 | 258 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 259 0, 0, 0 }, | |
| 260 | |
| 637 | 261 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 262 }; |
| 263 | |
| 264 | |
| 577 | 265 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 266 ngx_http_variable(""); | |
| 267 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 268 ngx_http_variable("1"); | |
| 269 | |
| 270 | |
| 499 | 271 ngx_http_variable_t * |
| 509 | 272 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 273 { | |
| 611 | 274 ngx_int_t rc; |
| 509 | 275 ngx_uint_t i; |
| 611 | 276 ngx_hash_key_t *key; |
| 509 | 277 ngx_http_variable_t *v; |
| 278 ngx_http_core_main_conf_t *cmcf; | |
| 279 | |
| 280 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 281 | |
| 611 | 282 key = cmcf->variables_keys->keys.elts; |
| 283 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 284 if (name->len != key[i].key.len | |
| 285 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 286 { |
| 287 continue; | |
| 288 } | |
| 289 | |
| 611 | 290 v = key[i].value; |
| 291 | |
| 1565 | 292 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 294 "the duplicate \"%V\" variable", name); | |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 611 | 298 return v; |
| 509 | 299 } |
| 300 | |
| 611 | 301 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 302 if (v == NULL) { |
| 303 return NULL; | |
| 304 } | |
| 305 | |
| 306 v->name.len = name->len; | |
| 2049 | 307 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 308 if (v->name.data == NULL) { |
| 309 return NULL; | |
| 310 } | |
| 311 | |
| 2135 | 312 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 313 |
| 637 | 314 v->set_handler = NULL; |
| 315 v->get_handler = NULL; | |
| 509 | 316 v->data = 0; |
| 317 v->flags = flags; | |
| 533 | 318 v->index = 0; |
| 509 | 319 |
| 611 | 320 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 321 | |
| 322 if (rc == NGX_ERROR) { | |
| 323 return NULL; | |
| 324 } | |
| 325 | |
| 326 if (rc == NGX_BUSY) { | |
| 327 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 328 "conflicting variable name \"%V\"", name); | |
| 329 return NULL; | |
| 330 } | |
| 331 | |
| 509 | 332 return v; |
| 333 } | |
| 334 | |
| 335 | |
| 336 ngx_int_t | |
| 337 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 338 { |
| 501 | 339 ngx_uint_t i; |
| 340 ngx_http_variable_t *v; | |
| 499 | 341 ngx_http_core_main_conf_t *cmcf; |
| 342 | |
| 343 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 344 | |
| 501 | 345 v = cmcf->variables.elts; |
| 346 | |
| 347 if (v == NULL) { | |
| 499 | 348 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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349 sizeof(ngx_http_variable_t)) |
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350 != NGX_OK) |
| 499 | 351 { |
| 509 | 352 return NGX_ERROR; |
| 499 | 353 } |
| 501 | 354 |
| 355 } else { | |
| 356 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 357 if (name->len != v[i].name.len | |
| 358 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 359 { | |
| 360 continue; | |
| 361 } | |
| 362 | |
| 509 | 363 return i; |
| 501 | 364 } |
| 499 | 365 } |
| 366 | |
| 501 | 367 v = ngx_array_push(&cmcf->variables); |
| 368 if (v == NULL) { | |
| 509 | 369 return NGX_ERROR; |
| 499 | 370 } |
| 371 | |
| 501 | 372 v->name.len = name->len; |
| 2049 | 373 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 374 if (v->name.data == NULL) { |
| 509 | 375 return NGX_ERROR; |
| 501 | 376 } |
| 499 | 377 |
| 2135 | 378 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 379 |
| 637 | 380 v->set_handler = NULL; |
| 381 v->get_handler = NULL; | |
| 501 | 382 v->data = 0; |
| 509 | 383 v->flags = 0; |
| 533 | 384 v->index = cmcf->variables.nelts - 1; |
| 501 | 385 |
| 509 | 386 return cmcf->variables.nelts - 1; |
| 499 | 387 } |
| 388 | |
| 389 | |
| 390 ngx_http_variable_value_t * | |
| 391 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 392 { | |
| 501 | 393 ngx_http_variable_t *v; |
| 499 | 394 ngx_http_core_main_conf_t *cmcf; |
| 395 | |
| 396 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 397 | |
| 553 | 398 if (cmcf->variables.nelts <= index) { |
| 499 | 399 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 400 "unknown variable index: %d", index); | |
| 401 return NULL; | |
| 402 } | |
| 403 | |
| 573 | 404 if (r->variables[index].not_found || r->variables[index].valid) { |
| 405 return &r->variables[index]; | |
| 501 | 406 } |
| 499 | 407 |
| 501 | 408 v = cmcf->variables.elts; |
| 499 | 409 |
| 637 | 410 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 411 == NGX_OK) | |
| 412 { | |
| 1565 | 413 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 414 r->variables[index].no_cacheable = 1; | |
| 499 | 415 } |
| 573 | 416 |
| 417 return &r->variables[index]; | |
| 499 | 418 } |
| 419 | |
| 657 | 420 r->variables[index].valid = 0; |
| 421 r->variables[index].not_found = 1; | |
| 422 | |
| 798 | 423 return NULL; |
| 573 | 424 } |
| 425 | |
| 426 | |
| 427 ngx_http_variable_value_t * | |
| 428 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 429 { | |
| 1150 | 430 ngx_http_variable_value_t *v; |
| 573 | 431 |
| 432 v = &r->variables[index]; | |
| 433 | |
| 434 if (v->valid) { | |
| 1565 | 435 if (!v->no_cacheable) { |
| 573 | 436 return v; |
| 437 } | |
| 438 | |
| 439 v->valid = 0; | |
| 440 v->not_found = 0; | |
| 509 | 441 } |
| 501 | 442 |
| 573 | 443 return ngx_http_get_indexed_variable(r, index); |
| 499 | 444 } |
| 445 | |
| 446 | |
| 447 ngx_http_variable_value_t * | |
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448 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
| 499 | 449 { |
| 501 | 450 ngx_http_variable_t *v; |
| 573 | 451 ngx_http_variable_value_t *vv; |
| 499 | 452 ngx_http_core_main_conf_t *cmcf; |
| 453 | |
| 454 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 455 | |
| 611 | 456 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 457 |
| 611 | 458 if (v) { |
| 459 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
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460 return ngx_http_get_flushed_variable(r, v->index); |
| 519 | 461 |
| 462 } else { | |
| 499 | 463 |
| 573 | 464 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 465 |
| 637 | 466 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 467 return vv; |
| 468 } | |
| 509 | 469 |
| 573 | 470 return NULL; |
| 471 } | |
| 509 | 472 } |
| 473 | |
| 474 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 475 if (vv == NULL) { | |
| 476 return NULL; | |
| 477 } | |
| 478 | |
| 573 | 479 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 480 |
| 577 | 481 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 482 == NGX_OK) | |
| 483 { | |
| 484 return vv; | |
| 485 } | |
| 486 | |
| 487 return NULL; | |
| 488 } | |
| 489 | |
| 490 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 491 | |
| 492 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 493 == NGX_OK) | |
| 573 | 494 { |
| 495 return vv; | |
| 496 } | |
| 499 | 497 |
| 498 return NULL; | |
| 499 } | |
| 500 | |
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501 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
| 1162 | 502 |
| 503 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 504 == NGX_OK) | |
| 505 { | |
| 506 return vv; | |
| 507 } | |
| 508 | |
| 509 return NULL; | |
| 510 } | |
| 511 | |
| 2307 | 512 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 513 | |
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514 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 515 return vv; |
| 516 } | |
| 517 | |
| 518 return NULL; | |
| 519 } | |
| 520 | |
| 2137 | 521 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 522 | |
| 523 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 524 return vv; | |
| 525 } | |
| 526 | |
| 527 return NULL; | |
| 528 } | |
| 529 | |
| 635 | 530 vv->not_found = 1; |
| 573 | 531 |
| 501 | 532 return vv; |
| 499 | 533 } |
| 534 | |
| 535 | |
| 573 | 536 static ngx_int_t |
| 537 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 538 uintptr_t data) | |
| 539 { | |
| 540 ngx_str_t *s; | |
| 541 | |
| 542 s = (ngx_str_t *) ((char *) r + data); | |
| 543 | |
| 544 if (s->data) { | |
| 545 v->len = s->len; | |
| 546 v->valid = 1; | |
| 1565 | 547 v->no_cacheable = 0; |
| 573 | 548 v->not_found = 0; |
| 549 v->data = s->data; | |
| 550 | |
| 551 } else { | |
| 552 v->not_found = 1; | |
| 553 } | |
| 554 | |
| 555 return NGX_OK; | |
| 556 } | |
| 557 | |
| 558 | |
| 637 | 559 static void |
| 1350 | 560 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 561 ngx_http_variable_value_t *v, uintptr_t data) | |
| 562 { | |
| 563 ngx_str_t *s; | |
| 564 | |
| 565 s = (ngx_str_t *) ((char *) r + data); | |
| 566 | |
| 567 s->len = v->len; | |
| 568 s->data = v->data; | |
| 569 } | |
| 570 | |
| 571 | |
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572 static ngx_int_t |
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573 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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574 ngx_http_variable_value_t *v, uintptr_t data) |
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575 { |
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576 size_t *sp; |
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577 |
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578 sp = (size_t *) ((char *) r + data); |
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579 |
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580 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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581 if (v->data == NULL) { |
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582 return NGX_ERROR; |
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583 } |
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584 |
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585 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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586 v->valid = 1; |
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587 v->no_cacheable = 0; |
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588 v->not_found = 0; |
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589 |
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590 return NGX_OK; |
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591 } |
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592 |
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593 |
| 1350 | 594 static void |
| 637 | 595 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 596 ngx_http_variable_value_t *v, uintptr_t data) | |
| 597 { | |
| 598 ssize_t s, *sp; | |
| 599 ngx_str_t val; | |
| 600 | |
|
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601 val.len = v->len; |
| 637 | 602 val.data = v->data; |
| 603 | |
| 604 s = ngx_parse_size(&val); | |
| 605 | |
| 606 if (s == NGX_ERROR) { | |
| 607 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 608 "invalid size \"%V\"", &val); | |
| 609 return; | |
| 610 } | |
| 611 | |
| 612 sp = (ssize_t *) ((char *) r + data); | |
| 613 | |
| 614 *sp = s; | |
| 615 | |
| 616 return; | |
| 617 } | |
| 618 | |
| 619 | |
| 573 | 620 static ngx_int_t |
| 621 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 622 uintptr_t data) | |
| 515 | 623 { |
| 573 | 624 ngx_table_elt_t *h; |
| 625 | |
| 626 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 627 | |
| 628 if (h) { | |
| 629 v->len = h->value.len; | |
| 630 v->valid = 1; | |
| 1565 | 631 v->no_cacheable = 0; |
| 573 | 632 v->not_found = 0; |
| 633 v->data = h->value.data; | |
| 634 | |
| 635 } else { | |
| 636 v->not_found = 1; | |
| 637 } | |
| 638 | |
| 639 return NGX_OK; | |
| 640 } | |
| 641 | |
| 642 | |
| 643 static ngx_int_t | |
| 644 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 645 uintptr_t data) | |
| 646 { | |
| 667 | 647 ssize_t len; |
| 573 | 648 u_char *p; |
| 667 | 649 ngx_uint_t i, n; |
| 573 | 650 ngx_array_t *a; |
| 651 ngx_table_elt_t **h; | |
| 515 | 652 |
| 653 a = (ngx_array_t *) ((char *) r + data); | |
| 654 | |
| 667 | 655 n = a->nelts; |
| 656 | |
| 657 if (n == 0) { | |
| 573 | 658 v->not_found = 1; |
| 659 return NGX_OK; | |
| 515 | 660 } |
| 661 | |
| 573 | 662 v->valid = 1; |
| 1565 | 663 v->no_cacheable = 0; |
| 573 | 664 v->not_found = 0; |
| 515 | 665 |
| 666 h = a->elts; | |
| 667 | |
| 667 | 668 if (n == 1) { |
| 573 | 669 v->len = (*h)->value.len; |
| 670 v->data = (*h)->value.data; | |
| 515 | 671 |
| 573 | 672 return NGX_OK; |
| 515 | 673 } |
| 674 | |
| 667 | 675 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 676 |
| 667 | 677 for (i = 0; i < n; i++) { |
| 573 | 678 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 679 } |
| 680 | |
| 2049 | 681 p = ngx_pnalloc(r->pool, len); |
| 573 | 682 if (p == NULL) { |
| 683 return NGX_ERROR; | |
| 684 } | |
| 685 | |
| 686 v->len = len; | |
| 687 v->data = p; | |
| 515 | 688 |
| 689 for (i = 0; /* void */ ; i++) { | |
| 573 | 690 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 691 |
| 667 | 692 if (i == n - 1) { |
| 515 | 693 break; |
| 694 } | |
| 695 | |
| 696 *p++ = ';'; *p++ = ' '; | |
| 697 } | |
| 698 | |
| 573 | 699 return NGX_OK; |
| 515 | 700 } |
| 701 | |
| 702 | |
| 573 | 703 static ngx_int_t |
| 577 | 704 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 705 ngx_http_variable_value_t *v, uintptr_t data) | |
| 706 { | |
| 707 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 708 &r->headers_in.headers.part, | |
| 709 sizeof("http_") - 1); | |
| 710 } | |
| 711 | |
| 712 | |
| 713 static ngx_int_t | |
| 714 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 715 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 716 { |
| 577 | 717 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 718 &r->headers_out.headers.part, | |
| 719 sizeof("sent_http_") - 1); | |
| 720 } | |
| 501 | 721 |
| 577 | 722 |
| 1162 | 723 ngx_int_t |
| 577 | 724 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 725 ngx_list_part_t *part, size_t prefix) | |
| 726 { | |
| 573 | 727 u_char ch; |
| 728 ngx_uint_t i, n; | |
| 729 ngx_table_elt_t *header; | |
| 499 | 730 |
| 731 header = part->elts; | |
| 732 | |
| 733 for (i = 0; /* void */ ; i++) { | |
| 734 | |
| 735 if (i >= part->nelts) { | |
| 736 if (part->next == NULL) { | |
| 737 break; | |
| 738 } | |
| 739 | |
| 740 part = part->next; | |
| 741 header = part->elts; | |
| 742 i = 0; | |
| 743 } | |
| 744 | |
| 577 | 745 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 746 ch = header[i].key.data[n]; |
| 747 | |
| 509 | 748 if (ch >= 'A' && ch <= 'Z') { |
| 749 ch |= 0x20; | |
| 499 | 750 |
| 751 } else if (ch == '-') { | |
| 752 ch = '_'; | |
| 753 } | |
| 754 | |
| 577 | 755 if (var->data[n + prefix] != ch) { |
| 499 | 756 break; |
| 757 } | |
| 758 } | |
| 759 | |
|
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760 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 761 v->len = header[i].value.len; |
| 762 v->valid = 1; | |
| 1565 | 763 v->no_cacheable = 0; |
| 573 | 764 v->not_found = 0; |
| 765 v->data = header[i].value.data; | |
| 499 | 766 |
| 573 | 767 return NGX_OK; |
| 499 | 768 } |
| 769 } | |
| 770 | |
| 573 | 771 v->not_found = 1; |
| 772 | |
| 773 return NGX_OK; | |
| 509 | 774 } |
| 775 | |
| 776 | |
| 573 | 777 static ngx_int_t |
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778 ngx_http_variable_request_line(ngx_http_request_t *r, |
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779 ngx_http_variable_value_t *v, uintptr_t data) |
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780 { |
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781 u_char *p, *s; |
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|
782 |
|
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|
783 s = r->request_line.data; |
|
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784 |
|
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|
785 if (s == NULL) { |
|
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|
786 s = r->request_start; |
|
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|
787 |
|
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parents:
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|
788 if (s == NULL) { |
|
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|
789 v->not_found = 1; |
|
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|
790 return NGX_OK; |
|
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|
791 } |
|
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|
792 |
|
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|
793 for (p = s; p < r->header_in->last; p++) { |
|
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|
794 if (*p == CR || *p == LF) { |
|
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|
795 break; |
|
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|
796 } |
|
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|
797 } |
|
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|
798 |
|
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|
799 r->request_line.len = p - s; |
|
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|
800 r->request_line.data = s; |
|
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|
801 } |
|
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|
802 |
|
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|
803 v->len = r->request_line.len; |
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|
804 v->valid = 1; |
|
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|
805 v->no_cacheable = 0; |
|
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|
806 v->not_found = 0; |
|
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|
807 v->data = s; |
|
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changeset
|
808 |
|
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changeset
|
809 return NGX_OK; |
|
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|
810 } |
|
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|
811 |
|
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|
812 |
|
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|
813 static ngx_int_t |
| 2307 | 814 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 815 uintptr_t data) | |
| 816 { | |
| 817 ngx_str_t *name = (ngx_str_t *) data; | |
| 818 | |
| 819 ngx_str_t cookie, s; | |
| 820 | |
| 821 s.len = name->len - (sizeof("cookie_") - 1); | |
| 822 s.data = name->data + sizeof("cookie_") - 1; | |
| 823 | |
| 824 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 825 == NGX_DECLINED) | |
| 826 { | |
| 827 v->not_found = 1; | |
| 828 return NGX_OK; | |
| 829 } | |
| 830 | |
| 831 v->len = cookie.len; | |
| 832 v->valid = 1; | |
| 833 v->no_cacheable = 0; | |
| 834 v->not_found = 0; | |
| 835 v->data = cookie.data; | |
| 836 | |
| 837 return NGX_OK; | |
| 838 } | |
| 839 | |
| 840 | |
| 841 static ngx_int_t | |
| 2137 | 842 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 843 uintptr_t data) | |
| 844 { | |
| 845 ngx_str_t *name = (ngx_str_t *) data; | |
| 846 | |
| 2415 | 847 u_char *arg; |
| 848 size_t len; | |
| 849 ngx_str_t value; | |
| 2137 | 850 |
| 2415 | 851 len = name->len - (sizeof("arg_") - 1); |
| 852 arg = name->data + sizeof("arg_") - 1; | |
| 853 | |
| 854 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 855 v->not_found = 1; |
| 856 return NGX_OK; | |
| 857 } | |
| 858 | |
| 2415 | 859 v->data = value.data; |
| 860 v->len = value.len; | |
| 861 v->valid = 1; | |
| 862 v->no_cacheable = 0; | |
| 863 v->not_found = 0; | |
| 2137 | 864 |
| 865 return NGX_OK; | |
| 866 } | |
| 867 | |
| 868 | |
| 869 static ngx_int_t | |
| 573 | 870 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 871 uintptr_t data) | |
| 509 | 872 { |
| 1811 | 873 ngx_http_core_srv_conf_t *cscf; |
| 874 | |
|
2007
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875 if (r->headers_in.server.len) { |
|
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876 v->len = r->headers_in.server.len; |
|
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877 v->data = r->headers_in.server.data; |
|
928
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|
878 |
|
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879 } else { |
|
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880 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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881 |
|
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882 v->len = cscf->server_name.len; |
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|
883 v->data = cscf->server_name.data; |
| 509 | 884 } |
| 885 | |
| 573 | 886 v->valid = 1; |
| 1565 | 887 v->no_cacheable = 0; |
| 573 | 888 v->not_found = 0; |
| 509 | 889 |
| 573 | 890 return NGX_OK; |
| 499 | 891 } |
| 892 | |
| 893 | |
| 573 | 894 static ngx_int_t |
|
983
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|
895 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 896 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 897 { |
|
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898 struct sockaddr_in *sin; |
|
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899 #if (NGX_HAVE_INET6) |
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900 struct sockaddr_in6 *sin6; |
|
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901 #endif |
| 982 | 902 |
|
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903 switch (r->connection->sockaddr->sa_family) { |
|
983
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|
904 |
|
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905 #if (NGX_HAVE_INET6) |
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906 case AF_INET6: |
|
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907 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
| 982 | 908 |
|
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909 v->len = sizeof(struct in6_addr); |
|
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910 v->valid = 1; |
|
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|
911 v->no_cacheable = 0; |
|
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912 v->not_found = 0; |
|
3268
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diff
changeset
|
913 v->data = sin6->sin6_addr.s6_addr; |
|
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914 |
|
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915 break; |
|
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916 #endif |
|
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|
917 |
|
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|
918 default: /* AF_INET */ |
|
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919 sin = (struct sockaddr_in *) r->connection->sockaddr; |
|
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|
920 |
|
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|
921 v->len = sizeof(in_addr_t); |
|
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922 v->valid = 1; |
|
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923 v->no_cacheable = 0; |
|
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924 v->not_found = 0; |
|
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925 v->data = (u_char *) &sin->sin_addr; |
|
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926 |
|
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927 break; |
|
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928 } |
| 982 | 929 |
|
983
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|
930 return NGX_OK; |
|
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|
931 } |
| 982 | 932 |
| 933 | |
|
983
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|
934 static ngx_int_t |
|
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diff
changeset
|
935 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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diff
changeset
|
936 ngx_http_variable_value_t *v, uintptr_t data) |
|
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diff
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|
937 { |
|
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diff
changeset
|
938 v->len = r->connection->addr_text.len; |
|
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diff
changeset
|
939 v->valid = 1; |
| 1565 | 940 v->no_cacheable = 0; |
|
983
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|
941 v->not_found = 0; |
|
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diff
changeset
|
942 v->data = r->connection->addr_text.data; |
| 499 | 943 |
| 573 | 944 return NGX_OK; |
| 499 | 945 } |
| 946 | |
| 947 | |
| 573 | 948 static ngx_int_t |
| 949 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 950 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 951 { |
|
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|
952 ngx_uint_t port; |
|
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953 struct sockaddr_in *sin; |
|
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954 #if (NGX_HAVE_INET6) |
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955 struct sockaddr_in6 *sin6; |
|
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|
956 #endif |
| 509 | 957 |
| 573 | 958 v->len = 0; |
| 959 v->valid = 1; | |
| 1565 | 960 v->no_cacheable = 0; |
| 573 | 961 v->not_found = 0; |
| 509 | 962 |
| 2049 | 963 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 964 if (v->data == NULL) { |
| 965 return NGX_ERROR; | |
| 509 | 966 } |
| 967 | |
|
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|
968 switch (r->connection->sockaddr->sa_family) { |
| 577 | 969 |
|
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|
970 #if (NGX_HAVE_INET6) |
|
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|
971 case AF_INET6: |
|
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|
972 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
|
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|
973 port = ntohs(sin6->sin6_port); |
|
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|
974 break; |
|
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975 #endif |
| 577 | 976 |
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977 default: /* AF_INET */ |
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978 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 509 | 979 port = ntohs(sin->sin_port); |
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980 break; |
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981 } |
| 577 | 982 |
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983 if (port > 0 && port < 65536) { |
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984 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 985 } |
| 986 | |
| 573 | 987 return NGX_OK; |
| 509 | 988 } |
| 989 | |
| 990 | |
| 573 | 991 static ngx_int_t |
| 992 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 993 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 994 { |
| 1805 | 995 ngx_str_t s; |
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996 u_char addr[NGX_SOCKADDR_STRLEN]; |
| 499 | 997 |
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998 s.len = NGX_SOCKADDR_STRLEN; |
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999 s.data = addr; |
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1000 |
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1001 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1002 return NGX_ERROR; |
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1003 } |
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1004 |
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1005 s.data = ngx_pnalloc(r->pool, s.len); |
| 1805 | 1006 if (s.data == NULL) { |
| 573 | 1007 return NGX_ERROR; |
| 509 | 1008 } |
| 1009 | |
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1010 ngx_memcpy(s.data, addr, s.len); |
| 509 | 1011 |
| 1805 | 1012 v->len = s.len; |
| 573 | 1013 v->valid = 1; |
| 1565 | 1014 v->no_cacheable = 0; |
| 573 | 1015 v->not_found = 0; |
| 1805 | 1016 v->data = s.data; |
| 499 | 1017 |
| 573 | 1018 return NGX_OK; |
| 499 | 1019 } |
| 1020 | |
| 1021 | |
| 573 | 1022 static ngx_int_t |
| 1023 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 1024 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1025 { |
| 2533 | 1026 ngx_uint_t port; |
| 1027 struct sockaddr_in *sin; | |
| 1028 #if (NGX_HAVE_INET6) | |
| 1029 struct sockaddr_in6 *sin6; | |
| 1030 #endif | |
| 1031 | |
| 1032 v->len = 0; | |
| 573 | 1033 v->valid = 1; |
| 1565 | 1034 v->no_cacheable = 0; |
| 573 | 1035 v->not_found = 0; |
| 2533 | 1036 |
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1037 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
| 2533 | 1038 return NGX_ERROR; |
| 1039 } | |
| 1040 | |
| 1041 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
| 1042 if (v->data == NULL) { | |
| 1043 return NGX_ERROR; | |
| 1044 } | |
| 1045 | |
| 1046 switch (r->connection->local_sockaddr->sa_family) { | |
| 1047 | |
| 1048 #if (NGX_HAVE_INET6) | |
| 1049 case AF_INET6: | |
| 1050 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
| 1051 port = ntohs(sin6->sin6_port); | |
| 1052 break; | |
| 1053 #endif | |
| 1054 | |
| 1055 default: /* AF_INET */ | |
| 1056 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
| 1057 port = ntohs(sin->sin_port); | |
| 1058 break; | |
| 1059 } | |
| 1060 | |
| 1061 if (port > 0 && port < 65536) { | |
| 1062 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
| 1063 } | |
| 509 | 1064 |
| 573 | 1065 return NGX_OK; |
| 509 | 1066 } |
| 1067 | |
| 1068 | |
| 573 | 1069 static ngx_int_t |
| 731 | 1070 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 1071 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1072 { | |
| 1073 #if (NGX_HTTP_SSL) | |
| 1074 | |
| 1075 if (r->connection->ssl) { | |
| 1076 v->len = sizeof("https") - 1; | |
| 1077 v->valid = 1; | |
| 1565 | 1078 v->no_cacheable = 0; |
| 731 | 1079 v->not_found = 0; |
| 732 | 1080 v->data = (u_char *) "https"; |
| 731 | 1081 |
| 1082 return NGX_OK; | |
| 1083 } | |
| 1084 | |
| 1085 #endif | |
| 1086 | |
| 1087 v->len = sizeof("http") - 1; | |
| 1088 v->valid = 1; | |
| 1565 | 1089 v->no_cacheable = 0; |
| 731 | 1090 v->not_found = 0; |
| 732 | 1091 v->data = (u_char *) "http"; |
| 731 | 1092 |
| 1093 return NGX_OK; | |
| 1094 } | |
| 1095 | |
| 1096 | |
| 1097 static ngx_int_t | |
|
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1098 ngx_http_variable_https(ngx_http_request_t *r, |
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1099 ngx_http_variable_value_t *v, uintptr_t data) |
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1100 { |
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1101 #if (NGX_HTTP_SSL) |
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1102 |
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1103 if (r->connection->ssl) { |
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1104 v->len = sizeof("on") - 1; |
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1105 v->valid = 1; |
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1106 v->no_cacheable = 0; |
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1107 v->not_found = 0; |
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1108 v->data = (u_char *) "on"; |
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1109 |
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1110 return NGX_OK; |
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1111 } |
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1112 |
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1113 #endif |
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1114 |
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1115 *v = ngx_http_variable_null_value; |
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1116 |
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1117 return NGX_OK; |
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1118 } |
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1119 |
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1120 |
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1121 static ngx_int_t |
| 1351 | 1122 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 1123 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1124 { | |
| 1125 v->valid = 1; | |
| 1565 | 1126 v->no_cacheable = 0; |
| 1351 | 1127 v->not_found = 0; |
| 1128 | |
| 1129 if (r->args.len == 0) { | |
| 1130 v->len = 0; | |
| 1131 v->data = NULL; | |
| 1132 return NGX_OK; | |
| 1133 } | |
| 1134 | |
| 1135 v->len = 1; | |
| 1136 v->data = (u_char *) "?"; | |
| 1137 | |
| 1138 return NGX_OK; | |
| 1139 } | |
| 1140 | |
| 1141 | |
| 1142 static ngx_int_t | |
| 573 | 1143 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1144 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1145 { |
| 671 | 1146 ngx_str_t path; |
| 573 | 1147 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1148 |
| 1149 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1150 | |
| 671 | 1151 if (clcf->root_lengths == NULL) { |
| 1152 v->len = clcf->root.len; | |
| 1153 v->valid = 1; | |
| 1565 | 1154 v->no_cacheable = 0; |
| 671 | 1155 v->not_found = 0; |
| 1156 v->data = clcf->root.data; | |
| 1157 | |
| 1158 } else { | |
| 1159 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1160 clcf->root_values->elts) | |
| 1161 == NULL) | |
| 1162 { | |
| 1163 return NGX_ERROR; | |
| 1164 } | |
| 1165 | |
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1166 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 671 | 1167 return NGX_ERROR; |
| 1168 } | |
| 1169 | |
| 1170 v->len = path.len; | |
| 1171 v->valid = 1; | |
| 1565 | 1172 v->no_cacheable = 0; |
| 671 | 1173 v->not_found = 0; |
| 1174 v->data = path.data; | |
| 1175 } | |
| 509 | 1176 |
| 573 | 1177 return NGX_OK; |
| 509 | 1178 } |
| 1179 | |
| 1180 | |
| 573 | 1181 static ngx_int_t |
| 2259 | 1182 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1183 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1184 { | |
| 1185 size_t len; | |
| 1186 ngx_str_t path; | |
| 1187 ngx_http_core_loc_conf_t *clcf; | |
| 1188 u_char real[NGX_MAX_PATH]; | |
| 1189 | |
| 1190 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1191 | |
| 1192 if (clcf->root_lengths == NULL) { | |
| 1193 path = clcf->root; | |
| 1194 | |
| 1195 } else { | |
| 1196 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1197 clcf->root_values->elts) | |
| 1198 == NULL) | |
| 1199 { | |
| 1200 return NGX_ERROR; | |
| 1201 } | |
| 1202 | |
| 1203 path.data[path.len - 1] = '\0'; | |
| 1204 | |
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1205 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
| 2259 | 1206 return NGX_ERROR; |
| 1207 } | |
| 1208 } | |
| 1209 | |
| 1210 if (ngx_realpath(path.data, real) == NULL) { | |
| 1211 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1212 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1213 return NGX_ERROR; | |
| 1214 } | |
| 1215 | |
| 1216 len = ngx_strlen(real); | |
| 1217 | |
| 1218 v->data = ngx_pnalloc(r->pool, len); | |
| 1219 if (v->data == NULL) { | |
| 1220 return NGX_ERROR; | |
| 1221 } | |
| 1222 | |
| 1223 v->len = len; | |
| 1224 v->valid = 1; | |
| 1225 v->no_cacheable = 0; | |
| 1226 v->not_found = 0; | |
| 1227 | |
| 1228 ngx_memcpy(v->data, real, len); | |
| 1229 | |
| 1230 return NGX_OK; | |
| 1231 } | |
| 1232 | |
| 1233 | |
| 1234 static ngx_int_t | |
| 573 | 1235 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1236 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1237 { |
| 773 | 1238 size_t root; |
| 573 | 1239 ngx_str_t path; |
| 499 | 1240 |
| 773 | 1241 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1242 return NGX_ERROR; |
| 557 | 1243 } |
| 509 | 1244 |
| 557 | 1245 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1246 |
| 573 | 1247 v->len = path.len - 1; |
| 1248 v->valid = 1; | |
| 1565 | 1249 v->no_cacheable = 0; |
| 573 | 1250 v->not_found = 0; |
| 1251 v->data = path.data; | |
| 499 | 1252 |
| 573 | 1253 return NGX_OK; |
| 499 | 1254 } |
| 1255 | |
| 1256 | |
| 573 | 1257 static ngx_int_t |
| 1811 | 1258 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1259 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1260 { | |
| 1261 ngx_http_core_srv_conf_t *cscf; | |
| 1262 | |
| 1263 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1264 | |
| 1265 v->len = cscf->server_name.len; | |
| 1266 v->valid = 1; | |
| 1267 v->no_cacheable = 0; | |
| 1268 v->not_found = 0; | |
| 1269 v->data = cscf->server_name.data; | |
| 1270 | |
| 1271 return NGX_OK; | |
| 1272 } | |
| 1273 | |
| 1274 | |
| 1275 static ngx_int_t | |
| 573 | 1276 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1277 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1278 { |
| 647 | 1279 if (r->main->method_name.data) { |
| 1280 v->len = r->main->method_name.len; | |
| 573 | 1281 v->valid = 1; |
| 1565 | 1282 v->no_cacheable = 0; |
| 573 | 1283 v->not_found = 0; |
| 647 | 1284 v->data = r->main->method_name.data; |
| 573 | 1285 |
| 1286 } else { | |
| 1287 v->not_found = 1; | |
| 561 | 1288 } |
| 1289 | |
| 573 | 1290 return NGX_OK; |
| 561 | 1291 } |
| 1292 | |
| 1293 | |
| 573 | 1294 static ngx_int_t |
| 1295 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1296 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1297 { |
| 573 | 1298 ngx_int_t rc; |
| 539 | 1299 |
| 1300 rc = ngx_http_auth_basic_user(r); | |
| 1301 | |
| 1302 if (rc == NGX_DECLINED) { | |
| 573 | 1303 v->not_found = 1; |
| 1304 return NGX_OK; | |
| 539 | 1305 } |
| 1306 | |
| 1307 if (rc == NGX_ERROR) { | |
| 573 | 1308 return NGX_ERROR; |
| 539 | 1309 } |
| 1310 | |
| 573 | 1311 v->len = r->headers_in.user.len; |
| 1312 v->valid = 1; | |
| 1565 | 1313 v->no_cacheable = 0; |
| 573 | 1314 v->not_found = 0; |
| 1315 v->data = r->headers_in.user.data; | |
| 571 | 1316 |
| 573 | 1317 return NGX_OK; |
| 571 | 1318 } |
| 1319 | |
| 1320 | |
| 611 | 1321 static ngx_int_t |
| 1322 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1323 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1324 { | |
| 1325 off_t sent; | |
| 1326 u_char *p; | |
| 1327 | |
| 1328 sent = r->connection->sent - r->header_size; | |
| 1329 | |
| 1330 if (sent < 0) { | |
| 1331 sent = 0; | |
| 1332 } | |
| 1333 | |
| 2049 | 1334 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1335 if (p == NULL) { |
| 1336 return NGX_ERROR; | |
| 1337 } | |
| 1338 | |
| 1339 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1340 v->valid = 1; | |
| 1565 | 1341 v->no_cacheable = 0; |
| 611 | 1342 v->not_found = 0; |
| 1343 v->data = p; | |
| 1344 | |
| 1345 return NGX_OK; | |
| 1346 } | |
| 1347 | |
| 1348 | |
| 629 | 1349 static ngx_int_t |
| 641 | 1350 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1351 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1352 { | |
| 1353 if (r->headers_out.content_type.len) { | |
| 1354 v->len = r->headers_out.content_type.len; | |
| 1355 v->valid = 1; | |
| 1565 | 1356 v->no_cacheable = 0; |
| 641 | 1357 v->not_found = 0; |
| 1358 v->data = r->headers_out.content_type.data; | |
| 1359 | |
| 1360 } else { | |
| 1361 v->not_found = 1; | |
| 1362 } | |
| 1363 | |
| 1364 return NGX_OK; | |
| 1365 } | |
| 1366 | |
| 1367 | |
| 1368 static ngx_int_t | |
| 1369 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1370 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1371 { | |
| 1372 u_char *p; | |
| 1373 | |
| 1374 if (r->headers_out.content_length) { | |
| 1375 v->len = r->headers_out.content_length->value.len; | |
| 1376 v->valid = 1; | |
| 1565 | 1377 v->no_cacheable = 0; |
| 641 | 1378 v->not_found = 0; |
| 1379 v->data = r->headers_out.content_length->value.data; | |
| 1380 | |
| 1381 return NGX_OK; | |
| 1382 } | |
| 1383 | |
| 1384 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1385 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1386 if (p == NULL) { |
| 1387 return NGX_ERROR; | |
| 1388 } | |
| 1389 | |
| 1390 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1391 v->valid = 1; | |
| 1565 | 1392 v->no_cacheable = 0; |
| 641 | 1393 v->not_found = 0; |
| 1394 v->data = p; | |
| 1395 | |
| 1396 return NGX_OK; | |
| 1397 } | |
| 1398 | |
| 1399 v->not_found = 1; | |
| 1400 | |
| 1401 return NGX_OK; | |
| 1402 } | |
| 1403 | |
| 1404 | |
| 1405 static ngx_int_t | |
|
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1406 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1407 ngx_http_variable_value_t *v, uintptr_t data) |
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1408 { |
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1409 ngx_str_t name; |
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1410 |
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1411 if (r->headers_out.location) { |
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1412 v->len = r->headers_out.location->value.len; |
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1413 v->valid = 1; |
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1414 v->no_cacheable = 0; |
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1415 v->not_found = 0; |
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1416 v->data = r->headers_out.location->value.data; |
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1417 |
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1418 return NGX_OK; |
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1419 } |
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1420 |
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1421 ngx_str_set(&name, "sent_http_location"); |
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1422 |
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1423 return ngx_http_variable_unknown_header(v, &name, |
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1424 &r->headers_out.headers.part, |
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1425 sizeof("sent_http_") - 1); |
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1426 } |
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1427 |
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1428 |
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1429 static ngx_int_t |
| 641 | 1430 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1431 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1432 { | |
| 1433 u_char *p; | |
| 1434 | |
| 1435 if (r->headers_out.last_modified) { | |
| 1436 v->len = r->headers_out.last_modified->value.len; | |
| 1437 v->valid = 1; | |
| 1565 | 1438 v->no_cacheable = 0; |
| 641 | 1439 v->not_found = 0; |
| 1440 v->data = r->headers_out.last_modified->value.data; | |
| 1441 | |
| 1442 return NGX_OK; | |
| 1443 } | |
| 1444 | |
| 1445 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1446 p = ngx_pnalloc(r->pool, |
| 641 | 1447 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1448 if (p == NULL) { | |
| 1449 return NGX_ERROR; | |
| 1450 } | |
| 1451 | |
| 1452 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1453 v->valid = 1; | |
| 1565 | 1454 v->no_cacheable = 0; |
| 641 | 1455 v->not_found = 0; |
| 1456 v->data = p; | |
| 1457 | |
| 1458 return NGX_OK; | |
| 1459 } | |
| 1460 | |
| 1461 v->not_found = 1; | |
| 1462 | |
| 1463 return NGX_OK; | |
| 1464 } | |
| 1465 | |
| 1466 | |
| 1467 static ngx_int_t | |
| 1468 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1469 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1470 { | |
| 1471 size_t len; | |
| 1472 char *p; | |
| 1473 | |
| 1474 if (r->keepalive) { | |
| 1475 len = sizeof("keep-alive") - 1; | |
| 1476 p = "keep-alive"; | |
| 1477 | |
| 1478 } else { | |
| 1479 len = sizeof("close") - 1; | |
| 1480 p = "close"; | |
| 1481 } | |
| 1482 | |
| 1483 v->len = len; | |
| 1484 v->valid = 1; | |
| 1565 | 1485 v->no_cacheable = 0; |
| 641 | 1486 v->not_found = 0; |
| 1487 v->data = (u_char *) p; | |
| 1488 | |
| 1489 return NGX_OK; | |
| 1490 } | |
| 1491 | |
| 1492 | |
| 1493 static ngx_int_t | |
| 1494 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1495 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1496 { | |
| 1497 u_char *p; | |
| 1498 ngx_http_core_loc_conf_t *clcf; | |
| 1499 | |
| 1500 if (r->keepalive) { | |
| 1501 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1502 | |
| 1503 if (clcf->keepalive_header) { | |
| 1504 | |
| 2049 | 1505 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1506 if (p == NULL) { |
| 1507 return NGX_ERROR; | |
| 1508 } | |
| 1509 | |
| 1510 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1511 v->valid = 1; | |
| 1565 | 1512 v->no_cacheable = 0; |
| 641 | 1513 v->not_found = 0; |
| 1514 v->data = p; | |
| 1515 | |
| 1516 return NGX_OK; | |
| 1517 } | |
| 1518 } | |
| 1519 | |
| 1520 v->not_found = 1; | |
| 1521 | |
| 1522 return NGX_OK; | |
| 1523 } | |
| 1524 | |
| 1525 | |
| 1526 static ngx_int_t | |
| 1527 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1528 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1529 { | |
| 1530 if (r->chunked) { | |
| 1531 v->len = sizeof("chunked") - 1; | |
| 1532 v->valid = 1; | |
| 1565 | 1533 v->no_cacheable = 0; |
| 641 | 1534 v->not_found = 0; |
| 1535 v->data = (u_char *) "chunked"; | |
| 1536 | |
| 1537 } else { | |
| 1538 v->not_found = 1; | |
| 1539 } | |
| 1540 | |
| 1541 return NGX_OK; | |
| 1542 } | |
| 1543 | |
| 1544 | |
| 1545 static ngx_int_t | |
| 629 | 1546 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1547 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1548 { | |
| 1549 if (r->request_complete) { | |
| 1550 v->len = 2; | |
| 1551 v->valid = 1; | |
| 1565 | 1552 v->no_cacheable = 0; |
| 629 | 1553 v->not_found = 0; |
| 1554 v->data = (u_char *) "OK"; | |
| 1555 | |
| 1556 return NGX_OK; | |
| 1557 } | |
| 1558 | |
| 1559 v->len = 0; | |
| 1560 v->valid = 1; | |
| 1565 | 1561 v->no_cacheable = 0; |
| 629 | 1562 v->not_found = 0; |
| 1563 v->data = (u_char *) ""; | |
| 1564 | |
| 1565 return NGX_OK; | |
| 1566 } | |
| 1567 | |
| 1568 | |
| 759 | 1569 static ngx_int_t |
| 2844 | 1570 ngx_http_variable_request_body(ngx_http_request_t *r, |
| 1571 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1572 { | |
| 1573 u_char *p; | |
| 1574 size_t len; | |
| 1575 ngx_buf_t *buf, *next; | |
| 1576 ngx_chain_t *cl; | |
| 1577 | |
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1578 if (r->request_body == NULL |
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1579 || r->request_body->bufs == NULL |
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1580 || r->request_body->temp_file) |
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1581 { |
| 2844 | 1582 v->not_found = 1; |
| 1583 | |
| 1584 return NGX_OK; | |
| 1585 } | |
| 1586 | |
| 1587 cl = r->request_body->bufs; | |
| 1588 buf = cl->buf; | |
| 1589 | |
| 1590 if (cl->next == NULL) { | |
| 1591 v->len = buf->last - buf->pos; | |
| 1592 v->valid = 1; | |
| 1593 v->no_cacheable = 0; | |
| 1594 v->not_found = 0; | |
| 1595 v->data = buf->pos; | |
| 1596 | |
| 1597 return NGX_OK; | |
| 1598 } | |
| 1599 | |
| 1600 next = cl->next->buf; | |
| 1601 len = (buf->last - buf->pos) + (next->last - next->pos); | |
| 1602 | |
| 1603 p = ngx_pnalloc(r->pool, len); | |
| 1604 if (p == NULL) { | |
| 1605 return NGX_ERROR; | |
| 1606 } | |
| 1607 | |
| 1608 v->data = p; | |
| 1609 | |
| 1610 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
| 1611 ngx_memcpy(p, next->pos, next->last - next->pos); | |
| 1612 | |
| 1613 v->len = len; | |
| 1614 v->valid = 1; | |
| 1615 v->no_cacheable = 0; | |
| 1616 v->not_found = 0; | |
| 1617 | |
| 1618 return NGX_OK; | |
| 1619 } | |
| 1620 | |
| 1621 | |
| 1622 static ngx_int_t | |
| 759 | 1623 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 1624 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1625 { | |
| 1626 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1627 v->not_found = 1; |
| 759 | 1628 |
| 1629 return NGX_OK; | |
| 1630 } | |
| 1631 | |
| 1632 v->len = r->request_body->temp_file->file.name.len; | |
| 1633 v->valid = 1; | |
| 1565 | 1634 v->no_cacheable = 0; |
| 759 | 1635 v->not_found = 0; |
| 1636 v->data = r->request_body->temp_file->file.name.data; | |
| 1637 | |
| 1638 return NGX_OK; | |
| 1639 } | |
| 1640 | |
| 1641 | |
| 1329 | 1642 static ngx_int_t |
| 1643 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1644 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1645 { | |
| 1646 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1647 v->valid = 1; | |
| 1565 | 1648 v->no_cacheable = 0; |
| 1329 | 1649 v->not_found = 0; |
| 1650 v->data = (u_char *) NGINX_VERSION; | |
| 1651 | |
| 1652 return NGX_OK; | |
| 1653 } | |
| 1654 | |
| 1655 | |
| 2011 | 1656 static ngx_int_t |
| 1657 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1658 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1659 { | |
| 1660 v->len = ngx_cycle->hostname.len; | |
| 1661 v->valid = 1; | |
| 1662 v->no_cacheable = 0; | |
| 1663 v->not_found = 0; | |
| 1664 v->data = ngx_cycle->hostname.data; | |
| 1665 | |
| 1666 return NGX_OK; | |
| 1667 } | |
| 1668 | |
| 1669 | |
| 2249 | 1670 static ngx_int_t |
| 1671 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1672 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1673 { | |
| 1674 u_char *p; | |
| 1675 | |
| 1676 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1677 if (p == NULL) { | |
| 1678 return NGX_ERROR; | |
| 1679 } | |
| 1680 | |
| 1681 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1682 v->valid = 1; | |
| 1683 v->no_cacheable = 0; | |
| 1684 v->not_found = 0; | |
| 1685 v->data = p; | |
| 1686 | |
| 1687 return NGX_OK; | |
| 1688 } | |
| 1689 | |
| 1690 | |
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1691 void * |
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1692 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
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1693 { |
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1694 void *value; |
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1695 u_char *low; |
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1696 size_t len; |
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1697 ngx_uint_t key; |
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1698 |
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1699 len = match->len; |
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1700 |
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1701 if (len) { |
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1702 low = ngx_pnalloc(r->pool, len); |
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1703 if (low == NULL) { |
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1704 return NULL; |
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1705 } |
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1706 |
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1707 } else { |
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1708 low = NULL; |
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1709 } |
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1710 |
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1711 key = ngx_hash_strlow(low, match->data, len); |
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1712 |
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1713 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1714 if (value) { |
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1715 return value; |
|
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1716 } |
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1717 |
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1718 #if (NGX_PCRE) |
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1719 |
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1720 if (len && map->nregex) { |
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1721 ngx_int_t n; |
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1722 ngx_uint_t i; |
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1723 ngx_http_map_regex_t *reg; |
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1724 |
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1725 reg = map->regex; |
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1726 |
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1727 for (i = 0; i < map->nregex; i++) { |
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1728 |
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1729 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1730 |
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1731 if (n == NGX_OK) { |
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1732 return reg[i].value; |
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1733 } |
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1734 |
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1735 if (n == NGX_DECLINED) { |
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1736 continue; |
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1737 } |
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1738 |
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1739 /* NGX_ERROR */ |
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1740 |
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1741 return NULL; |
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1742 } |
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1743 } |
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1744 |
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1745 #endif |
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1746 |
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1747 return NULL; |
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1748 } |
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1749 |
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1750 |
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1751 #if (NGX_PCRE) |
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1752 |
| 3325 | 1753 static ngx_int_t |
| 1754 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 1755 uintptr_t data) | |
| 1756 { | |
| 1757 v->not_found = 1; | |
| 1758 return NGX_OK; | |
| 1759 } | |
| 1760 | |
| 1761 | |
| 1762 ngx_http_regex_t * | |
| 1763 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 1764 { | |
| 1765 u_char *p; | |
| 1766 size_t size; | |
| 1767 ngx_str_t name; | |
| 1768 ngx_uint_t i, n; | |
| 1769 ngx_http_variable_t *v; | |
| 1770 ngx_http_regex_t *re; | |
| 1771 ngx_http_regex_variable_t *rv; | |
| 1772 ngx_http_core_main_conf_t *cmcf; | |
| 1773 | |
| 1774 rc->pool = cf->pool; | |
| 1775 | |
| 1776 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 1777 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 1778 return NULL; | |
| 1779 } | |
| 1780 | |
| 1781 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
| 1782 if (re == NULL) { | |
| 1783 return NULL; | |
| 1784 } | |
| 1785 | |
| 1786 re->regex = rc->regex; | |
| 1787 re->ncaptures = rc->captures; | |
| 1788 | |
| 1789 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1790 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 1791 | |
| 1792 n = (ngx_uint_t) rc->named_captures; | |
| 1793 | |
| 1794 if (n == 0) { | |
| 1795 return re; | |
| 1796 } | |
| 1797 | |
| 1798 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
| 1799 if (rv == NULL) { | |
| 1800 return NULL; | |
| 1801 } | |
| 1802 | |
| 1803 re->variables = rv; | |
| 1804 re->nvariables = n; | |
| 1805 re->name = rc->pattern; | |
| 1806 | |
| 1807 size = rc->name_size; | |
| 1808 p = rc->names; | |
| 1809 | |
| 1810 for (i = 0; i < n; i++) { | |
| 1811 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 1812 | |
| 1813 name.data = &p[2]; | |
| 1814 name.len = ngx_strlen(name.data); | |
| 1815 | |
| 1816 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
| 1817 if (v == NULL) { | |
| 1818 return NULL; | |
| 1819 } | |
| 1820 | |
| 1821 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
| 1822 if (rv[i].index == NGX_ERROR) { | |
| 1823 return NULL; | |
| 1824 } | |
| 1825 | |
| 1826 v->get_handler = ngx_http_variable_not_found; | |
| 1827 | |
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1828 p += size; |
| 3325 | 1829 } |
| 1830 | |
| 1831 return re; | |
| 1832 } | |
| 1833 | |
| 1834 | |
| 1835 ngx_int_t | |
| 1836 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
| 1837 { | |
| 1838 ngx_int_t rc, index; | |
| 1839 ngx_uint_t i, n, len; | |
| 1840 ngx_http_variable_value_t *vv; | |
| 1841 ngx_http_core_main_conf_t *cmcf; | |
| 1842 | |
| 1843 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 1844 | |
| 1845 if (re->ncaptures) { | |
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1846 len = cmcf->ncaptures; |
| 3325 | 1847 |
| 1848 if (r->captures == NULL) { | |
| 1849 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
| 1850 if (r->captures == NULL) { | |
| 1851 return NGX_ERROR; | |
| 1852 } | |
| 1853 } | |
| 1854 | |
| 1855 } else { | |
| 1856 len = 0; | |
| 1857 } | |
| 1858 | |
| 1859 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
| 1860 | |
| 1861 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 1862 return NGX_DECLINED; | |
| 1863 } | |
| 1864 | |
| 1865 if (rc < 0) { | |
| 1866 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 1867 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 1868 rc, s, &re->name); | |
| 1869 return NGX_ERROR; | |
| 1870 } | |
| 1871 | |
| 1872 for (i = 0; i < re->nvariables; i++) { | |
| 1873 | |
| 1874 n = re->variables[i].capture; | |
| 1875 index = re->variables[i].index; | |
| 1876 vv = &r->variables[index]; | |
| 1877 | |
| 1878 vv->len = r->captures[n + 1] - r->captures[n]; | |
| 1879 vv->valid = 1; | |
| 1880 vv->no_cacheable = 0; | |
| 1881 vv->not_found = 0; | |
| 1882 vv->data = &s->data[r->captures[n]]; | |
| 1883 | |
| 1884 #if (NGX_DEBUG) | |
| 1885 { | |
| 1886 ngx_http_variable_t *v; | |
| 1887 | |
| 1888 v = cmcf->variables.elts; | |
| 1889 | |
| 1890 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1891 "http regex set $%V to \"%*s\"", | |
| 1892 &v[index].name, vv->len, vv->data); | |
| 1893 } | |
| 1894 #endif | |
| 1895 } | |
| 1896 | |
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1897 r->ncaptures = rc * 2; |
| 3325 | 1898 r->captures_data = s->data; |
| 1899 | |
| 1900 return NGX_OK; | |
| 1901 } | |
| 1902 | |
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1903 #endif |
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1904 |
| 3325 | 1905 |
| 499 | 1906 ngx_int_t |
| 509 | 1907 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1908 { |
| 611 | 1909 ngx_int_t rc; |
| 1910 ngx_http_variable_t *v; | |
| 501 | 1911 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1912 |
| 509 | 1913 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1914 | |
| 611 | 1915 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1916 sizeof(ngx_hash_keys_arrays_t)); | |
| 1917 if (cmcf->variables_keys == NULL) { | |
| 1918 return NGX_ERROR; | |
| 1919 } | |
| 1920 | |
| 1921 cmcf->variables_keys->pool = cf->pool; | |
| 1922 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1923 | |
| 1924 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1925 != NGX_OK) | |
| 509 | 1926 { |
| 499 | 1927 return NGX_ERROR; |
| 1928 } | |
| 1929 | |
| 611 | 1930 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1931 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1932 NGX_HASH_READONLY_KEY); | |
| 1933 | |
| 1934 if (rc == NGX_OK) { | |
| 1935 continue; | |
| 499 | 1936 } |
| 1937 | |
| 611 | 1938 if (rc == NGX_BUSY) { |
| 1939 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1940 "conflicting variable name \"%V\"", &v->name); | |
| 1941 } | |
| 1942 | |
| 1943 return NGX_ERROR; | |
| 499 | 1944 } |
| 1945 | |
| 1946 return NGX_OK; | |
| 1947 } | |
| 509 | 1948 |
| 1949 | |
| 1950 ngx_int_t | |
| 1951 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1952 { | |
| 1953 ngx_uint_t i, n; | |
| 611 | 1954 ngx_hash_key_t *key; |
| 1955 ngx_hash_init_t hash; | |
| 509 | 1956 ngx_http_variable_t *v, *av; |
| 1957 ngx_http_core_main_conf_t *cmcf; | |
| 1958 | |
| 1959 /* set the handlers for the indexed http variables */ | |
| 1960 | |
| 1961 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1962 | |
| 1963 v = cmcf->variables.elts; | |
| 611 | 1964 key = cmcf->variables_keys->keys.elts; |
| 509 | 1965 |
| 1966 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1967 | |
| 611 | 1968 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1969 |
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1970 av = key[n].value; |
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1971 |
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1972 if (av->get_handler |
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1973 && v[i].name.len == key[n].key.len |
| 611 | 1974 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1975 == 0) |
| 1976 { | |
| 637 | 1977 v[i].get_handler = av->get_handler; |
| 611 | 1978 v[i].data = av->data; |
| 527 | 1979 |
| 611 | 1980 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1981 v[i].flags = av->flags; | |
| 509 | 1982 |
| 611 | 1983 av->index = i; |
| 533 | 1984 |
| 509 | 1985 goto next; |
| 1986 } | |
| 1987 } | |
| 1988 | |
| 1989 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1990 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1991 v[i].data = (uintptr_t) &v[i].name; |
| 1992 | |
| 1993 continue; | |
| 1994 } | |
| 1995 | |
| 1996 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1997 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1998 v[i].data = (uintptr_t) &v[i].name; |
| 1999 | |
| 2000 continue; | |
| 2001 } | |
| 2002 | |
| 1162 | 2003 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 2004 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 2005 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 2006 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 2007 |
| 2008 continue; | |
| 2009 } | |
| 2010 | |
| 2307 | 2011 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 2012 v[i].get_handler = ngx_http_variable_cookie; | |
| 2013 v[i].data = (uintptr_t) &v[i].name; | |
| 2014 | |
| 2015 continue; | |
| 2016 } | |
| 2017 | |
| 2137 | 2018 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 2019 v[i].get_handler = ngx_http_variable_argument; | |
| 2020 v[i].data = (uintptr_t) &v[i].name; | |
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2021 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 2137 | 2022 |
| 2023 continue; | |
| 2024 } | |
| 2025 | |
| 509 | 2026 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 2027 "unknown \"%V\" variable", &v[i].name); | |
| 2028 | |
| 2029 return NGX_ERROR; | |
| 2030 | |
| 2031 next: | |
| 2032 continue; | |
| 2033 } | |
| 2034 | |
| 2035 | |
| 611 | 2036 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 2037 av = key[n].value; | |
| 2038 | |
| 2039 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 2040 key[n].key.data = NULL; | |
| 583 | 2041 } |
| 2042 } | |
| 2043 | |
| 2044 | |
| 611 | 2045 hash.hash = &cmcf->variables_hash; |
| 2046 hash.key = ngx_hash_key; | |
| 2047 hash.max_size = cmcf->variables_hash_max_size; | |
| 2048 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 2049 hash.name = "variables_hash"; | |
| 2050 hash.pool = cf->pool; | |
| 2051 hash.temp_pool = NULL; | |
| 509 | 2052 |
| 611 | 2053 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 2054 cmcf->variables_keys->keys.nelts) | |
| 581 | 2055 != NGX_OK) |
| 509 | 2056 { |
| 2057 return NGX_ERROR; | |
| 2058 } | |
| 2059 | |
| 611 | 2060 cmcf->variables_keys = NULL; |
| 509 | 2061 |
| 2062 return NGX_OK; | |
| 2063 } |