Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2359:4fee4ebbfb0b
$cookie_... variable did not for SSI and perl
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 01 Dec 2008 13:59:35 +0000 |
| parents | f267d23868fc |
| children | d311b7f6a403 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
|
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$cookie_... variable did not for SSI and perl
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changeset
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28 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
|
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$cookie_... variable did not for SSI and perl
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29 ngx_http_variable_value_t *v, uintptr_t data); |
| 2137 | 30 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
| 31 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 32 |
| 573 | 33 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
| 34 ngx_http_variable_value_t *v, uintptr_t data); | |
|
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ngx_http_variable_binary_remote_addr()
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35 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
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7a8ca436d611
ngx_http_variable_binary_remote_addr()
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36 ngx_http_variable_value_t *v, uintptr_t data); |
| 573 | 37 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
| 38 ngx_http_variable_value_t *v, uintptr_t data); | |
| 39 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 40 ngx_http_variable_value_t *v, uintptr_t data); | |
| 41 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 42 ngx_http_variable_value_t *v, uintptr_t data); | |
| 43 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 44 ngx_http_variable_value_t *v, uintptr_t data); | |
| 731 | 45 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
| 46 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1351 | 47 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
| 48 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 49 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
| 50 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2259 | 51 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 52 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 53 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 54 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1811 | 55 static ngx_int_t ngx_http_variable_server_name(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_method(ngx_http_request_t *r, |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
| 59 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 60 ngx_http_variable_value_t *v, uintptr_t data); | |
| 611 | 61 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
| 62 ngx_http_variable_value_t *v, uintptr_t data); | |
| 629 | 63 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 64 ngx_http_variable_value_t *v, uintptr_t data); | |
| 759 | 65 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
| 66 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 67 |
| 641 | 68 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 69 ngx_http_variable_value_t *v, uintptr_t data); | |
| 70 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 71 ngx_http_variable_value_t *v, uintptr_t data); | |
| 72 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 73 ngx_http_variable_value_t *v, uintptr_t data); | |
| 74 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 | |
| 1329 | 81 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 82 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 83 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 85 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 87 |
| 509 | 88 /* |
| 89 * TODO: | |
| 90 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 91 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 92 * SERVER_SOFTWARE | |
| 93 * | |
| 571 | 94 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 95 */ |
| 499 | 96 |
| 641 | 97 /* |
| 98 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 99 * and $http_x_forwarded_for variables may be handled by generic | |
| 100 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 101 * they are handled using dedicated entries | |
| 102 */ | |
| 103 | |
| 509 | 104 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 105 | |
| 637 | 106 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 107 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 108 |
| 637 | 109 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 110 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 111 |
| 637 | 112 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 113 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 114 |
| 115 #if (NGX_HTTP_GZIP) | |
| 637 | 116 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 117 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 118 #endif |
| 119 | |
|
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optimize $http_x_forwarded_for
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120 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 121 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 122 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 123 #endif |
| 124 | |
| 637 | 125 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 126 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 127 |
| 637 | 128 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 129 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 130 |
| 637 | 131 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 132 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 133 |
| 637 | 134 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 135 |
| 982 | 136 { ngx_string("binary_remote_addr"), NULL, |
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ngx_http_variable_binary_remote_addr()
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parents:
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137 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 138 |
| 637 | 139 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 140 |
| 637 | 141 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 142 |
| 637 | 143 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 144 |
| 637 | 145 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 146 |
| 637 | 147 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 148 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 149 |
| 731 | 150 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 151 | |
| 637 | 152 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 153 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 154 |
| 637 | 155 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 156 offsetof(ngx_http_request_t, uri), | |
| 1565 | 157 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 158 |
| 159 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 160 offsetof(ngx_http_request_t, uri), |
| 1565 | 161 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 162 |
| 637 | 163 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 164 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 165 | |
| 637 | 166 { ngx_string("document_root"), NULL, |
| 1565 | 167 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 168 |
| 2259 | 169 { ngx_string("realpath_root"), NULL, |
| 170 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 171 | |
| 637 | 172 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 173 offsetof(ngx_http_request_t, args), |
| 1565 | 174 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 175 |
| 1350 | 176 { ngx_string("args"), |
| 177 ngx_http_variable_request_set, | |
| 178 ngx_http_variable_request, | |
| 589 | 179 offsetof(ngx_http_request_t, args), |
| 1565 | 180 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 181 |
| 1351 | 182 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 183 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 184 |
| 637 | 185 { ngx_string("request_filename"), NULL, |
| 186 ngx_http_variable_request_filename, 0, | |
| 1565 | 187 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 188 |
| 1811 | 189 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 190 |
| 637 | 191 { ngx_string("request_method"), NULL, |
| 192 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 193 |
| 637 | 194 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 195 |
| 637 | 196 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 197 0, 0, 0 }, |
| 198 | |
| 637 | 199 { ngx_string("request_completion"), NULL, |
| 200 ngx_http_variable_request_completion, | |
| 629 | 201 0, 0, 0 }, |
| 202 | |
| 759 | 203 { ngx_string("request_body_file"), NULL, |
| 204 ngx_http_variable_request_body_file, | |
| 205 0, 0, 0 }, | |
| 206 | |
| 641 | 207 { ngx_string("sent_http_content_type"), NULL, |
| 208 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 209 | |
| 210 { ngx_string("sent_http_content_length"), NULL, | |
| 211 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 212 | |
| 213 { ngx_string("sent_http_last_modified"), NULL, | |
| 214 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 215 | |
| 216 { ngx_string("sent_http_connection"), NULL, | |
| 217 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 218 | |
| 219 { ngx_string("sent_http_keep_alive"), NULL, | |
| 220 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 221 | |
| 222 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 223 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 224 | |
| 225 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 226 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 227 | |
| 637 | 228 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 229 ngx_http_variable_request, | |
| 230 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 231 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 232 |
| 1329 | 233 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 234 0, 0, 0 }, | |
| 235 | |
| 2011 | 236 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 237 0, 0, 0 }, | |
| 238 | |
| 2249 | 239 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 240 0, 0, 0 }, | |
| 241 | |
| 637 | 242 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 243 }; |
| 244 | |
| 245 | |
| 577 | 246 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 247 ngx_http_variable(""); | |
| 248 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 249 ngx_http_variable("1"); | |
| 250 | |
| 251 | |
| 499 | 252 ngx_http_variable_t * |
| 509 | 253 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 254 { | |
| 611 | 255 ngx_int_t rc; |
| 509 | 256 ngx_uint_t i; |
| 611 | 257 ngx_hash_key_t *key; |
| 509 | 258 ngx_http_variable_t *v; |
| 259 ngx_http_core_main_conf_t *cmcf; | |
| 260 | |
| 261 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 262 | |
| 611 | 263 key = cmcf->variables_keys->keys.elts; |
| 264 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 265 if (name->len != key[i].key.len | |
| 266 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 267 { |
| 268 continue; | |
| 269 } | |
| 270 | |
| 611 | 271 v = key[i].value; |
| 272 | |
| 1565 | 273 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 274 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 275 "the duplicate \"%V\" variable", name); | |
| 276 return NULL; | |
| 277 } | |
| 278 | |
| 611 | 279 return v; |
| 509 | 280 } |
| 281 | |
| 611 | 282 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 283 if (v == NULL) { |
| 284 return NULL; | |
| 285 } | |
| 286 | |
| 287 v->name.len = name->len; | |
| 2049 | 288 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 289 if (v->name.data == NULL) { |
| 290 return NULL; | |
| 291 } | |
| 292 | |
| 2135 | 293 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 294 |
| 637 | 295 v->set_handler = NULL; |
| 296 v->get_handler = NULL; | |
| 509 | 297 v->data = 0; |
| 298 v->flags = flags; | |
| 533 | 299 v->index = 0; |
| 509 | 300 |
| 611 | 301 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 302 | |
| 303 if (rc == NGX_ERROR) { | |
| 304 return NULL; | |
| 305 } | |
| 306 | |
| 307 if (rc == NGX_BUSY) { | |
| 308 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 309 "conflicting variable name \"%V\"", name); | |
| 310 return NULL; | |
| 311 } | |
| 312 | |
| 509 | 313 return v; |
| 314 } | |
| 315 | |
| 316 | |
| 317 ngx_int_t | |
| 318 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 319 { |
| 501 | 320 ngx_uint_t i; |
| 321 ngx_http_variable_t *v; | |
| 499 | 322 ngx_http_core_main_conf_t *cmcf; |
| 323 | |
| 324 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 325 | |
| 501 | 326 v = cmcf->variables.elts; |
| 327 | |
| 328 if (v == NULL) { | |
| 499 | 329 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 330 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 331 { | |
| 509 | 332 return NGX_ERROR; |
| 499 | 333 } |
| 501 | 334 |
| 335 } else { | |
| 336 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 337 if (name->len != v[i].name.len | |
| 338 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 339 { | |
| 340 continue; | |
| 341 } | |
| 342 | |
| 509 | 343 return i; |
| 501 | 344 } |
| 499 | 345 } |
| 346 | |
| 501 | 347 v = ngx_array_push(&cmcf->variables); |
| 348 if (v == NULL) { | |
| 509 | 349 return NGX_ERROR; |
| 499 | 350 } |
| 351 | |
| 501 | 352 v->name.len = name->len; |
| 2049 | 353 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 354 if (v->name.data == NULL) { |
| 509 | 355 return NGX_ERROR; |
| 501 | 356 } |
| 499 | 357 |
| 2135 | 358 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 359 |
| 637 | 360 v->set_handler = NULL; |
| 361 v->get_handler = NULL; | |
| 501 | 362 v->data = 0; |
| 509 | 363 v->flags = 0; |
| 533 | 364 v->index = cmcf->variables.nelts - 1; |
| 501 | 365 |
| 509 | 366 return cmcf->variables.nelts - 1; |
| 499 | 367 } |
| 368 | |
| 369 | |
| 370 ngx_http_variable_value_t * | |
| 371 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 372 { | |
| 501 | 373 ngx_http_variable_t *v; |
| 499 | 374 ngx_http_core_main_conf_t *cmcf; |
| 375 | |
| 376 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 377 | |
| 553 | 378 if (cmcf->variables.nelts <= index) { |
| 499 | 379 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 380 "unknown variable index: %d", index); | |
| 381 return NULL; | |
| 382 } | |
| 383 | |
| 573 | 384 if (r->variables[index].not_found || r->variables[index].valid) { |
| 385 return &r->variables[index]; | |
| 501 | 386 } |
| 499 | 387 |
| 501 | 388 v = cmcf->variables.elts; |
| 499 | 389 |
| 637 | 390 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 391 == NGX_OK) | |
| 392 { | |
| 1565 | 393 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 394 r->variables[index].no_cacheable = 1; | |
| 499 | 395 } |
| 573 | 396 |
| 397 return &r->variables[index]; | |
| 499 | 398 } |
| 399 | |
| 657 | 400 r->variables[index].valid = 0; |
| 401 r->variables[index].not_found = 1; | |
| 402 | |
| 798 | 403 return NULL; |
| 573 | 404 } |
| 405 | |
| 406 | |
| 407 ngx_http_variable_value_t * | |
| 408 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 409 { | |
| 1150 | 410 ngx_http_variable_value_t *v; |
| 573 | 411 |
| 412 v = &r->variables[index]; | |
| 413 | |
| 414 if (v->valid) { | |
| 1565 | 415 if (!v->no_cacheable) { |
| 573 | 416 return v; |
| 417 } | |
| 418 | |
| 419 v->valid = 0; | |
| 420 v->not_found = 0; | |
| 509 | 421 } |
| 501 | 422 |
| 573 | 423 return ngx_http_get_indexed_variable(r, index); |
| 499 | 424 } |
| 425 | |
| 426 | |
| 427 ngx_http_variable_value_t * | |
| 635 | 428 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 429 ngx_uint_t nowarn) | |
| 499 | 430 { |
| 501 | 431 ngx_http_variable_t *v; |
| 573 | 432 ngx_http_variable_value_t *vv; |
| 499 | 433 ngx_http_core_main_conf_t *cmcf; |
| 434 | |
| 435 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 436 | |
| 611 | 437 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 438 |
| 611 | 439 if (v) { |
| 440 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 441 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 442 |
| 443 } else { | |
| 499 | 444 |
| 573 | 445 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 446 |
| 637 | 447 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 448 return vv; |
| 449 } | |
| 509 | 450 |
| 573 | 451 return NULL; |
| 452 } | |
| 509 | 453 } |
| 454 | |
| 455 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 456 if (vv == NULL) { | |
| 457 return NULL; | |
| 458 } | |
| 459 | |
| 573 | 460 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 461 |
| 577 | 462 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 463 == NGX_OK) | |
| 464 { | |
| 465 return vv; | |
| 466 } | |
| 467 | |
| 468 return NULL; | |
| 469 } | |
| 470 | |
| 471 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 472 | |
| 473 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 474 == NGX_OK) | |
| 573 | 475 { |
| 476 return vv; | |
| 477 } | |
| 499 | 478 |
| 479 return NULL; | |
| 480 } | |
| 481 | |
| 1162 | 482 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 483 | |
| 484 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 485 == NGX_OK) | |
| 486 { | |
| 487 return vv; | |
| 488 } | |
| 489 | |
| 490 return NULL; | |
| 491 } | |
| 492 | |
| 2307 | 493 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 494 | |
|
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diff
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|
495 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 496 return vv; |
| 497 } | |
| 498 | |
| 499 return NULL; | |
| 500 } | |
| 501 | |
| 2137 | 502 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 503 | |
| 504 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 505 return vv; | |
| 506 } | |
| 507 | |
| 508 return NULL; | |
| 509 } | |
| 510 | |
| 635 | 511 vv->not_found = 1; |
| 573 | 512 |
| 635 | 513 if (nowarn == 0) { |
| 514 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 515 "unknown \"%V\" variable", name); | |
| 516 } | |
| 499 | 517 |
| 501 | 518 return vv; |
| 499 | 519 } |
| 520 | |
| 521 | |
| 573 | 522 static ngx_int_t |
| 523 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 524 uintptr_t data) | |
| 525 { | |
| 526 ngx_str_t *s; | |
| 527 | |
| 528 s = (ngx_str_t *) ((char *) r + data); | |
| 529 | |
| 530 if (s->data) { | |
| 531 v->len = s->len; | |
| 532 v->valid = 1; | |
| 1565 | 533 v->no_cacheable = 0; |
| 573 | 534 v->not_found = 0; |
| 535 v->data = s->data; | |
| 536 | |
| 537 } else { | |
| 538 v->not_found = 1; | |
| 539 } | |
| 540 | |
| 541 return NGX_OK; | |
| 542 } | |
| 543 | |
| 544 | |
| 637 | 545 static void |
| 1350 | 546 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 547 ngx_http_variable_value_t *v, uintptr_t data) | |
| 548 { | |
| 549 ngx_str_t *s; | |
| 550 | |
| 551 s = (ngx_str_t *) ((char *) r + data); | |
| 552 | |
| 553 s->len = v->len; | |
| 554 s->data = v->data; | |
| 555 } | |
| 556 | |
| 557 | |
| 558 static void | |
| 637 | 559 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 560 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 { | |
| 562 ssize_t s, *sp; | |
| 563 ngx_str_t val; | |
| 564 | |
|
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565 val.len = v->len; |
| 637 | 566 val.data = v->data; |
| 567 | |
| 568 s = ngx_parse_size(&val); | |
| 569 | |
| 570 if (s == NGX_ERROR) { | |
| 571 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 572 "invalid size \"%V\"", &val); | |
| 573 return; | |
| 574 } | |
| 575 | |
| 576 sp = (ssize_t *) ((char *) r + data); | |
| 577 | |
| 578 *sp = s; | |
| 579 | |
| 580 return; | |
| 581 } | |
| 582 | |
| 583 | |
| 573 | 584 static ngx_int_t |
| 585 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 586 uintptr_t data) | |
| 515 | 587 { |
| 573 | 588 ngx_table_elt_t *h; |
| 589 | |
| 590 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 591 | |
| 592 if (h) { | |
| 593 v->len = h->value.len; | |
| 594 v->valid = 1; | |
| 1565 | 595 v->no_cacheable = 0; |
| 573 | 596 v->not_found = 0; |
| 597 v->data = h->value.data; | |
| 598 | |
| 599 } else { | |
| 600 v->not_found = 1; | |
| 601 } | |
| 602 | |
| 603 return NGX_OK; | |
| 604 } | |
| 605 | |
| 606 | |
| 607 static ngx_int_t | |
| 608 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 609 uintptr_t data) | |
| 610 { | |
| 667 | 611 ssize_t len; |
| 573 | 612 u_char *p; |
| 667 | 613 ngx_uint_t i, n; |
| 573 | 614 ngx_array_t *a; |
| 615 ngx_table_elt_t **h; | |
| 515 | 616 |
| 617 a = (ngx_array_t *) ((char *) r + data); | |
| 618 | |
| 667 | 619 n = a->nelts; |
| 620 | |
| 621 if (n == 0) { | |
| 573 | 622 v->not_found = 1; |
| 623 return NGX_OK; | |
| 515 | 624 } |
| 625 | |
| 573 | 626 v->valid = 1; |
| 1565 | 627 v->no_cacheable = 0; |
| 573 | 628 v->not_found = 0; |
| 515 | 629 |
| 630 h = a->elts; | |
| 631 | |
| 667 | 632 if (n == 1) { |
| 573 | 633 v->len = (*h)->value.len; |
| 634 v->data = (*h)->value.data; | |
| 515 | 635 |
| 573 | 636 return NGX_OK; |
| 515 | 637 } |
| 638 | |
| 667 | 639 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 640 |
| 667 | 641 for (i = 0; i < n; i++) { |
| 573 | 642 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 643 } |
| 644 | |
| 2049 | 645 p = ngx_pnalloc(r->pool, len); |
| 573 | 646 if (p == NULL) { |
| 647 return NGX_ERROR; | |
| 648 } | |
| 649 | |
| 650 v->len = len; | |
| 651 v->data = p; | |
| 515 | 652 |
| 653 for (i = 0; /* void */ ; i++) { | |
| 573 | 654 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 655 |
| 667 | 656 if (i == n - 1) { |
| 515 | 657 break; |
| 658 } | |
| 659 | |
| 660 *p++ = ';'; *p++ = ' '; | |
| 661 } | |
| 662 | |
| 573 | 663 return NGX_OK; |
| 515 | 664 } |
| 665 | |
| 666 | |
| 573 | 667 static ngx_int_t |
| 577 | 668 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 669 ngx_http_variable_value_t *v, uintptr_t data) | |
| 670 { | |
| 671 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 672 &r->headers_in.headers.part, | |
| 673 sizeof("http_") - 1); | |
| 674 } | |
| 675 | |
| 676 | |
| 677 static ngx_int_t | |
| 678 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 679 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 680 { |
| 577 | 681 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 682 &r->headers_out.headers.part, | |
| 683 sizeof("sent_http_") - 1); | |
| 684 } | |
| 501 | 685 |
| 577 | 686 |
| 1162 | 687 ngx_int_t |
| 577 | 688 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 689 ngx_list_part_t *part, size_t prefix) | |
| 690 { | |
| 573 | 691 u_char ch; |
| 692 ngx_uint_t i, n; | |
| 693 ngx_table_elt_t *header; | |
| 499 | 694 |
| 695 header = part->elts; | |
| 696 | |
| 697 for (i = 0; /* void */ ; i++) { | |
| 698 | |
| 699 if (i >= part->nelts) { | |
| 700 if (part->next == NULL) { | |
| 701 break; | |
| 702 } | |
| 703 | |
| 704 part = part->next; | |
| 705 header = part->elts; | |
| 706 i = 0; | |
| 707 } | |
| 708 | |
| 577 | 709 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 710 ch = header[i].key.data[n]; |
| 711 | |
| 509 | 712 if (ch >= 'A' && ch <= 'Z') { |
| 713 ch |= 0x20; | |
| 499 | 714 |
| 715 } else if (ch == '-') { | |
| 716 ch = '_'; | |
| 717 } | |
| 718 | |
| 577 | 719 if (var->data[n + prefix] != ch) { |
| 499 | 720 break; |
| 721 } | |
| 722 } | |
| 723 | |
|
742
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parents:
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diff
changeset
|
724 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 725 v->len = header[i].value.len; |
| 726 v->valid = 1; | |
| 1565 | 727 v->no_cacheable = 0; |
| 573 | 728 v->not_found = 0; |
| 729 v->data = header[i].value.data; | |
| 499 | 730 |
| 573 | 731 return NGX_OK; |
| 499 | 732 } |
| 733 } | |
| 734 | |
| 573 | 735 v->not_found = 1; |
| 736 | |
| 737 return NGX_OK; | |
| 509 | 738 } |
| 739 | |
| 740 | |
| 573 | 741 static ngx_int_t |
| 2307 | 742 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 743 uintptr_t data) | |
| 744 { | |
| 745 ngx_str_t *name = (ngx_str_t *) data; | |
| 746 | |
| 747 ngx_str_t cookie, s; | |
| 748 | |
| 749 s.len = name->len - (sizeof("cookie_") - 1); | |
| 750 s.data = name->data + sizeof("cookie_") - 1; | |
| 751 | |
| 752 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 753 == NGX_DECLINED) | |
| 754 { | |
| 755 v->not_found = 1; | |
| 756 return NGX_OK; | |
| 757 } | |
| 758 | |
| 759 v->len = cookie.len; | |
| 760 v->valid = 1; | |
| 761 v->no_cacheable = 0; | |
| 762 v->not_found = 0; | |
| 763 v->data = cookie.data; | |
| 764 | |
| 765 return NGX_OK; | |
| 766 } | |
| 767 | |
| 768 | |
| 769 static ngx_int_t | |
| 2137 | 770 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 771 uintptr_t data) | |
| 772 { | |
| 773 ngx_str_t *name = (ngx_str_t *) data; | |
| 774 | |
| 775 u_char *p, *arg; | |
| 776 size_t len; | |
| 777 | |
| 778 if (r->args.len == 0) { | |
| 779 v->not_found = 1; | |
| 780 return NGX_OK; | |
| 781 } | |
| 782 | |
| 783 len = name->len - 1 - (sizeof("arg_") - 1); | |
| 784 arg = name->data + sizeof("arg_") - 1; | |
| 785 | |
| 786 for (p = r->args.data; *p && *p != ' '; p++) { | |
| 787 | |
| 788 /* | |
| 789 * although r->args.data is not null-terminated by itself, | |
| 790 * however, there is null in the end of request line | |
| 791 */ | |
| 792 | |
| 793 p = ngx_strcasestrn(p, (char *) arg, len); | |
| 794 | |
| 795 if (p == NULL) { | |
| 796 v->not_found = 1; | |
| 797 return NGX_OK; | |
| 798 } | |
| 799 | |
| 800 if ((p == r->args.data || *(p - 1) == '&') && *(p + len + 1) == '=') { | |
| 801 | |
| 802 v->data = p + len + 2; | |
| 803 | |
| 804 p = (u_char *) ngx_strchr(p, '&'); | |
| 805 | |
| 806 if (p == NULL) { | |
| 807 p = r->args.data + r->args.len; | |
| 808 } | |
| 809 | |
| 810 v->len = p - v->data; | |
| 811 v->valid = 1; | |
| 812 v->no_cacheable = 0; | |
| 813 v->not_found = 0; | |
| 814 | |
| 815 return NGX_OK; | |
| 816 } | |
| 817 } | |
| 818 | |
| 819 v->not_found = 1; | |
| 820 | |
| 821 return NGX_OK; | |
| 822 } | |
| 823 | |
| 824 | |
| 825 static ngx_int_t | |
| 573 | 826 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 827 uintptr_t data) | |
| 509 | 828 { |
| 1811 | 829 ngx_http_core_srv_conf_t *cscf; |
| 830 | |
|
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parents:
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831 if (r->headers_in.server.len) { |
|
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|
832 v->len = r->headers_in.server.len; |
|
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parents:
1811
diff
changeset
|
833 v->data = r->headers_in.server.data; |
|
928
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Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
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|
834 |
|
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
835 } else { |
|
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parents:
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diff
changeset
|
836 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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837 |
|
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838 v->len = cscf->server_name.len; |
|
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|
839 v->data = cscf->server_name.data; |
| 509 | 840 } |
| 841 | |
| 573 | 842 v->valid = 1; |
| 1565 | 843 v->no_cacheable = 0; |
| 573 | 844 v->not_found = 0; |
| 509 | 845 |
| 573 | 846 return NGX_OK; |
| 499 | 847 } |
| 848 | |
| 849 | |
| 573 | 850 static ngx_int_t |
|
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|
851 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 852 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 853 { |
| 982 | 854 struct sockaddr_in *sin; |
| 855 | |
|
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856 /* AF_INET only */ |
|
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|
857 |
|
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diff
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|
858 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 859 |
|
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diff
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860 v->len = sizeof(in_addr_t); |
|
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diff
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|
861 v->valid = 1; |
| 1565 | 862 v->no_cacheable = 0; |
|
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parents:
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|
863 v->not_found = 0; |
|
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diff
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|
864 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 865 |
|
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866 return NGX_OK; |
|
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|
867 } |
| 982 | 868 |
| 869 | |
|
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870 static ngx_int_t |
|
7a8ca436d611
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diff
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|
871 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
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diff
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872 ngx_http_variable_value_t *v, uintptr_t data) |
|
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|
873 { |
|
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diff
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|
874 v->len = r->connection->addr_text.len; |
|
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parents:
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diff
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|
875 v->valid = 1; |
| 1565 | 876 v->no_cacheable = 0; |
|
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877 v->not_found = 0; |
|
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parents:
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diff
changeset
|
878 v->data = r->connection->addr_text.data; |
| 499 | 879 |
| 573 | 880 return NGX_OK; |
| 499 | 881 } |
| 882 | |
| 883 | |
| 573 | 884 static ngx_int_t |
| 885 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 886 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 887 { |
| 573 | 888 ngx_uint_t port; |
| 889 struct sockaddr_in *sin; | |
| 509 | 890 |
| 573 | 891 v->len = 0; |
| 892 v->valid = 1; | |
| 1565 | 893 v->no_cacheable = 0; |
| 573 | 894 v->not_found = 0; |
| 509 | 895 |
| 2049 | 896 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 897 if (v->data == NULL) { |
| 898 return NGX_ERROR; | |
| 509 | 899 } |
| 900 | |
| 901 /* AF_INET only */ | |
| 577 | 902 |
| 509 | 903 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 904 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 905 |
| 509 | 906 port = ntohs(sin->sin_port); |
| 577 | 907 |
| 509 | 908 if (port > 0 && port < 65536) { |
| 573 | 909 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 910 } |
| 911 } | |
| 912 | |
| 573 | 913 return NGX_OK; |
| 509 | 914 } |
| 915 | |
| 916 | |
| 573 | 917 static ngx_int_t |
| 918 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 919 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 920 { |
| 1805 | 921 ngx_str_t s; |
| 499 | 922 |
|
2197
74477ea8074f
*) remove zero termination in ngx_inet_ntop() and ngx_sock_ntop()
Igor Sysoev <igor@sysoev.ru>
parents:
2137
diff
changeset
|
923 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
| 1805 | 924 if (s.data == NULL) { |
| 573 | 925 return NGX_ERROR; |
| 509 | 926 } |
| 927 | |
| 1805 | 928 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 929 return NGX_ERROR; | |
| 509 | 930 } |
| 931 | |
| 1805 | 932 v->len = s.len; |
| 573 | 933 v->valid = 1; |
| 1565 | 934 v->no_cacheable = 0; |
| 573 | 935 v->not_found = 0; |
| 1805 | 936 v->data = s.data; |
| 499 | 937 |
| 573 | 938 return NGX_OK; |
| 499 | 939 } |
| 940 | |
| 941 | |
| 573 | 942 static ngx_int_t |
| 943 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 944 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 945 { |
| 573 | 946 v->len = r->port_text->len - 1; |
| 947 v->valid = 1; | |
| 1565 | 948 v->no_cacheable = 0; |
| 573 | 949 v->not_found = 0; |
| 950 v->data = r->port_text->data + 1; | |
| 509 | 951 |
| 573 | 952 return NGX_OK; |
| 509 | 953 } |
| 954 | |
| 955 | |
| 573 | 956 static ngx_int_t |
| 731 | 957 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 958 ngx_http_variable_value_t *v, uintptr_t data) | |
| 959 { | |
| 960 #if (NGX_HTTP_SSL) | |
| 961 | |
| 962 if (r->connection->ssl) { | |
| 963 v->len = sizeof("https") - 1; | |
| 964 v->valid = 1; | |
| 1565 | 965 v->no_cacheable = 0; |
| 731 | 966 v->not_found = 0; |
| 732 | 967 v->data = (u_char *) "https"; |
| 731 | 968 |
| 969 return NGX_OK; | |
| 970 } | |
| 971 | |
| 972 #endif | |
| 973 | |
| 974 v->len = sizeof("http") - 1; | |
| 975 v->valid = 1; | |
| 1565 | 976 v->no_cacheable = 0; |
| 731 | 977 v->not_found = 0; |
| 732 | 978 v->data = (u_char *) "http"; |
| 731 | 979 |
| 980 return NGX_OK; | |
| 981 } | |
| 982 | |
| 983 | |
| 984 static ngx_int_t | |
| 1351 | 985 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 986 ngx_http_variable_value_t *v, uintptr_t data) | |
| 987 { | |
| 988 v->valid = 1; | |
| 1565 | 989 v->no_cacheable = 0; |
| 1351 | 990 v->not_found = 0; |
| 991 | |
| 992 if (r->args.len == 0) { | |
| 993 v->len = 0; | |
| 994 v->data = NULL; | |
| 995 return NGX_OK; | |
| 996 } | |
| 997 | |
| 998 v->len = 1; | |
| 999 v->data = (u_char *) "?"; | |
| 1000 | |
| 1001 return NGX_OK; | |
| 1002 } | |
| 1003 | |
| 1004 | |
| 1005 static ngx_int_t | |
| 573 | 1006 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 1007 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 1008 { |
| 671 | 1009 ngx_str_t path; |
| 573 | 1010 ngx_http_core_loc_conf_t *clcf; |
| 509 | 1011 |
| 1012 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1013 | |
| 671 | 1014 if (clcf->root_lengths == NULL) { |
| 1015 v->len = clcf->root.len; | |
| 1016 v->valid = 1; | |
| 1565 | 1017 v->no_cacheable = 0; |
| 671 | 1018 v->not_found = 0; |
| 1019 v->data = clcf->root.data; | |
| 1020 | |
| 1021 } else { | |
| 1022 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1023 clcf->root_values->elts) | |
| 1024 == NULL) | |
| 1025 { | |
| 1026 return NGX_ERROR; | |
| 1027 } | |
| 1028 | |
| 1352 | 1029 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 1030 == NGX_ERROR) | |
| 1031 { | |
| 671 | 1032 return NGX_ERROR; |
| 1033 } | |
| 1034 | |
| 1035 v->len = path.len; | |
| 1036 v->valid = 1; | |
| 1565 | 1037 v->no_cacheable = 0; |
| 671 | 1038 v->not_found = 0; |
| 1039 v->data = path.data; | |
| 1040 } | |
| 509 | 1041 |
| 573 | 1042 return NGX_OK; |
| 509 | 1043 } |
| 1044 | |
| 1045 | |
| 573 | 1046 static ngx_int_t |
| 2259 | 1047 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1048 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1049 { | |
| 1050 size_t len; | |
| 1051 ngx_str_t path; | |
| 1052 ngx_http_core_loc_conf_t *clcf; | |
| 1053 u_char real[NGX_MAX_PATH]; | |
| 1054 | |
| 1055 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1056 | |
| 1057 if (clcf->root_lengths == NULL) { | |
| 1058 path = clcf->root; | |
| 1059 | |
| 1060 } else { | |
| 1061 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1062 clcf->root_values->elts) | |
| 1063 == NULL) | |
| 1064 { | |
| 1065 return NGX_ERROR; | |
| 1066 } | |
| 1067 | |
| 1068 path.data[path.len - 1] = '\0'; | |
| 1069 | |
| 1070 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
| 1071 == NGX_ERROR) | |
| 1072 { | |
| 1073 return NGX_ERROR; | |
| 1074 } | |
| 1075 } | |
| 1076 | |
| 1077 if (ngx_realpath(path.data, real) == NULL) { | |
| 1078 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1079 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1080 return NGX_ERROR; | |
| 1081 } | |
| 1082 | |
| 1083 len = ngx_strlen(real); | |
| 1084 | |
| 1085 v->data = ngx_pnalloc(r->pool, len); | |
| 1086 if (v->data == NULL) { | |
| 1087 return NGX_ERROR; | |
| 1088 } | |
| 1089 | |
| 1090 v->len = len; | |
| 1091 v->valid = 1; | |
| 1092 v->no_cacheable = 0; | |
| 1093 v->not_found = 0; | |
| 1094 | |
| 1095 ngx_memcpy(v->data, real, len); | |
| 1096 | |
| 1097 return NGX_OK; | |
| 1098 } | |
| 1099 | |
| 1100 | |
| 1101 static ngx_int_t | |
| 573 | 1102 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1103 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1104 { |
| 773 | 1105 size_t root; |
| 573 | 1106 ngx_str_t path; |
| 499 | 1107 |
| 773 | 1108 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1109 return NGX_ERROR; |
| 557 | 1110 } |
| 509 | 1111 |
| 557 | 1112 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1113 |
| 573 | 1114 v->len = path.len - 1; |
| 1115 v->valid = 1; | |
| 1565 | 1116 v->no_cacheable = 0; |
| 573 | 1117 v->not_found = 0; |
| 1118 v->data = path.data; | |
| 499 | 1119 |
| 573 | 1120 return NGX_OK; |
| 499 | 1121 } |
| 1122 | |
| 1123 | |
| 573 | 1124 static ngx_int_t |
| 1811 | 1125 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1126 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1127 { | |
| 1128 ngx_http_core_srv_conf_t *cscf; | |
| 1129 | |
| 1130 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1131 | |
| 1132 v->len = cscf->server_name.len; | |
| 1133 v->valid = 1; | |
| 1134 v->no_cacheable = 0; | |
| 1135 v->not_found = 0; | |
| 1136 v->data = cscf->server_name.data; | |
| 1137 | |
| 1138 return NGX_OK; | |
| 1139 } | |
| 1140 | |
| 1141 | |
| 1142 static ngx_int_t | |
| 573 | 1143 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1144 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1145 { |
| 647 | 1146 if (r->main->method_name.data) { |
| 1147 v->len = r->main->method_name.len; | |
| 573 | 1148 v->valid = 1; |
| 1565 | 1149 v->no_cacheable = 0; |
| 573 | 1150 v->not_found = 0; |
| 647 | 1151 v->data = r->main->method_name.data; |
| 573 | 1152 |
| 1153 } else { | |
| 1154 v->not_found = 1; | |
| 561 | 1155 } |
| 1156 | |
| 573 | 1157 return NGX_OK; |
| 561 | 1158 } |
| 1159 | |
| 1160 | |
| 573 | 1161 static ngx_int_t |
| 1162 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1163 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1164 { |
| 573 | 1165 ngx_int_t rc; |
| 539 | 1166 |
| 1167 rc = ngx_http_auth_basic_user(r); | |
| 1168 | |
| 1169 if (rc == NGX_DECLINED) { | |
| 573 | 1170 v->not_found = 1; |
| 1171 return NGX_OK; | |
| 539 | 1172 } |
| 1173 | |
| 1174 if (rc == NGX_ERROR) { | |
| 573 | 1175 return NGX_ERROR; |
| 539 | 1176 } |
| 1177 | |
| 573 | 1178 v->len = r->headers_in.user.len; |
| 1179 v->valid = 1; | |
| 1565 | 1180 v->no_cacheable = 0; |
| 573 | 1181 v->not_found = 0; |
| 1182 v->data = r->headers_in.user.data; | |
| 571 | 1183 |
| 573 | 1184 return NGX_OK; |
| 571 | 1185 } |
| 1186 | |
| 1187 | |
| 611 | 1188 static ngx_int_t |
| 1189 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1190 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1191 { | |
| 1192 off_t sent; | |
| 1193 u_char *p; | |
| 1194 | |
| 1195 sent = r->connection->sent - r->header_size; | |
| 1196 | |
| 1197 if (sent < 0) { | |
| 1198 sent = 0; | |
| 1199 } | |
| 1200 | |
| 2049 | 1201 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1202 if (p == NULL) { |
| 1203 return NGX_ERROR; | |
| 1204 } | |
| 1205 | |
| 1206 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1207 v->valid = 1; | |
| 1565 | 1208 v->no_cacheable = 0; |
| 611 | 1209 v->not_found = 0; |
| 1210 v->data = p; | |
| 1211 | |
| 1212 return NGX_OK; | |
| 1213 } | |
| 1214 | |
| 1215 | |
| 629 | 1216 static ngx_int_t |
| 641 | 1217 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1218 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1219 { | |
| 1220 if (r->headers_out.content_type.len) { | |
| 1221 v->len = r->headers_out.content_type.len; | |
| 1222 v->valid = 1; | |
| 1565 | 1223 v->no_cacheable = 0; |
| 641 | 1224 v->not_found = 0; |
| 1225 v->data = r->headers_out.content_type.data; | |
| 1226 | |
| 1227 } else { | |
| 1228 v->not_found = 1; | |
| 1229 } | |
| 1230 | |
| 1231 return NGX_OK; | |
| 1232 } | |
| 1233 | |
| 1234 | |
| 1235 static ngx_int_t | |
| 1236 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1237 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1238 { | |
| 1239 u_char *p; | |
| 1240 | |
| 1241 if (r->headers_out.content_length) { | |
| 1242 v->len = r->headers_out.content_length->value.len; | |
| 1243 v->valid = 1; | |
| 1565 | 1244 v->no_cacheable = 0; |
| 641 | 1245 v->not_found = 0; |
| 1246 v->data = r->headers_out.content_length->value.data; | |
| 1247 | |
| 1248 return NGX_OK; | |
| 1249 } | |
| 1250 | |
| 1251 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1252 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1253 if (p == NULL) { |
| 1254 return NGX_ERROR; | |
| 1255 } | |
| 1256 | |
| 1257 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1258 v->valid = 1; | |
| 1565 | 1259 v->no_cacheable = 0; |
| 641 | 1260 v->not_found = 0; |
| 1261 v->data = p; | |
| 1262 | |
| 1263 return NGX_OK; | |
| 1264 } | |
| 1265 | |
| 1266 v->not_found = 1; | |
| 1267 | |
| 1268 return NGX_OK; | |
| 1269 } | |
| 1270 | |
| 1271 | |
| 1272 static ngx_int_t | |
| 1273 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, | |
| 1274 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1275 { | |
| 1276 u_char *p; | |
| 1277 | |
| 1278 if (r->headers_out.last_modified) { | |
| 1279 v->len = r->headers_out.last_modified->value.len; | |
| 1280 v->valid = 1; | |
| 1565 | 1281 v->no_cacheable = 0; |
| 641 | 1282 v->not_found = 0; |
| 1283 v->data = r->headers_out.last_modified->value.data; | |
| 1284 | |
| 1285 return NGX_OK; | |
| 1286 } | |
| 1287 | |
| 1288 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1289 p = ngx_pnalloc(r->pool, |
| 641 | 1290 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1291 if (p == NULL) { | |
| 1292 return NGX_ERROR; | |
| 1293 } | |
| 1294 | |
| 1295 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1296 v->valid = 1; | |
| 1565 | 1297 v->no_cacheable = 0; |
| 641 | 1298 v->not_found = 0; |
| 1299 v->data = p; | |
| 1300 | |
| 1301 return NGX_OK; | |
| 1302 } | |
| 1303 | |
| 1304 v->not_found = 1; | |
| 1305 | |
| 1306 return NGX_OK; | |
| 1307 } | |
| 1308 | |
| 1309 | |
| 1310 static ngx_int_t | |
| 1311 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1312 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1313 { | |
| 1314 size_t len; | |
| 1315 char *p; | |
| 1316 | |
| 1317 if (r->keepalive) { | |
| 1318 len = sizeof("keep-alive") - 1; | |
| 1319 p = "keep-alive"; | |
| 1320 | |
| 1321 } else { | |
| 1322 len = sizeof("close") - 1; | |
| 1323 p = "close"; | |
| 1324 } | |
| 1325 | |
| 1326 v->len = len; | |
| 1327 v->valid = 1; | |
| 1565 | 1328 v->no_cacheable = 0; |
| 641 | 1329 v->not_found = 0; |
| 1330 v->data = (u_char *) p; | |
| 1331 | |
| 1332 return NGX_OK; | |
| 1333 } | |
| 1334 | |
| 1335 | |
| 1336 static ngx_int_t | |
| 1337 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1338 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1339 { | |
| 1340 u_char *p; | |
| 1341 ngx_http_core_loc_conf_t *clcf; | |
| 1342 | |
| 1343 if (r->keepalive) { | |
| 1344 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1345 | |
| 1346 if (clcf->keepalive_header) { | |
| 1347 | |
| 2049 | 1348 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1349 if (p == NULL) { |
| 1350 return NGX_ERROR; | |
| 1351 } | |
| 1352 | |
| 1353 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1354 v->valid = 1; | |
| 1565 | 1355 v->no_cacheable = 0; |
| 641 | 1356 v->not_found = 0; |
| 1357 v->data = p; | |
| 1358 | |
| 1359 return NGX_OK; | |
| 1360 } | |
| 1361 } | |
| 1362 | |
| 1363 v->not_found = 1; | |
| 1364 | |
| 1365 return NGX_OK; | |
| 1366 } | |
| 1367 | |
| 1368 | |
| 1369 static ngx_int_t | |
| 1370 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1371 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1372 { | |
| 1373 if (r->chunked) { | |
| 1374 v->len = sizeof("chunked") - 1; | |
| 1375 v->valid = 1; | |
| 1565 | 1376 v->no_cacheable = 0; |
| 641 | 1377 v->not_found = 0; |
| 1378 v->data = (u_char *) "chunked"; | |
| 1379 | |
| 1380 } else { | |
| 1381 v->not_found = 1; | |
| 1382 } | |
| 1383 | |
| 1384 return NGX_OK; | |
| 1385 } | |
| 1386 | |
| 1387 | |
| 1388 static ngx_int_t | |
| 629 | 1389 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1390 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1391 { | |
| 1392 if (r->request_complete) { | |
| 1393 v->len = 2; | |
| 1394 v->valid = 1; | |
| 1565 | 1395 v->no_cacheable = 0; |
| 629 | 1396 v->not_found = 0; |
| 1397 v->data = (u_char *) "OK"; | |
| 1398 | |
| 1399 return NGX_OK; | |
| 1400 } | |
| 1401 | |
| 1402 v->len = 0; | |
| 1403 v->valid = 1; | |
| 1565 | 1404 v->no_cacheable = 0; |
| 629 | 1405 v->not_found = 0; |
| 1406 v->data = (u_char *) ""; | |
| 1407 | |
| 1408 return NGX_OK; | |
| 1409 } | |
| 1410 | |
| 1411 | |
| 759 | 1412 static ngx_int_t |
| 1413 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1414 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1415 { | |
| 1416 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
763
0b0f3d4854c0
variable should not be found if no request body file
Igor Sysoev <igor@sysoev.ru>
parents:
759
diff
changeset
|
1417 v->not_found = 1; |
| 759 | 1418 |
| 1419 return NGX_OK; | |
| 1420 } | |
| 1421 | |
| 1422 v->len = r->request_body->temp_file->file.name.len; | |
| 1423 v->valid = 1; | |
| 1565 | 1424 v->no_cacheable = 0; |
| 759 | 1425 v->not_found = 0; |
| 1426 v->data = r->request_body->temp_file->file.name.data; | |
| 1427 | |
| 1428 return NGX_OK; | |
| 1429 } | |
| 1430 | |
| 1431 | |
| 1329 | 1432 static ngx_int_t |
| 1433 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1434 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1435 { | |
| 1436 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1437 v->valid = 1; | |
| 1565 | 1438 v->no_cacheable = 0; |
| 1329 | 1439 v->not_found = 0; |
| 1440 v->data = (u_char *) NGINX_VERSION; | |
| 1441 | |
| 1442 return NGX_OK; | |
| 1443 } | |
| 1444 | |
| 1445 | |
| 2011 | 1446 static ngx_int_t |
| 1447 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1448 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1449 { | |
| 1450 v->len = ngx_cycle->hostname.len; | |
| 1451 v->valid = 1; | |
| 1452 v->no_cacheable = 0; | |
| 1453 v->not_found = 0; | |
| 1454 v->data = ngx_cycle->hostname.data; | |
| 1455 | |
| 1456 return NGX_OK; | |
| 1457 } | |
| 1458 | |
| 1459 | |
| 2249 | 1460 static ngx_int_t |
| 1461 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1462 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1463 { | |
| 1464 u_char *p; | |
| 1465 | |
| 1466 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1467 if (p == NULL) { | |
| 1468 return NGX_ERROR; | |
| 1469 } | |
| 1470 | |
| 1471 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1472 v->valid = 1; | |
| 1473 v->no_cacheable = 0; | |
| 1474 v->not_found = 0; | |
| 1475 v->data = p; | |
| 1476 | |
| 1477 return NGX_OK; | |
| 1478 } | |
| 1479 | |
| 1480 | |
| 499 | 1481 ngx_int_t |
| 509 | 1482 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1483 { |
| 611 | 1484 ngx_int_t rc; |
| 1485 ngx_http_variable_t *v; | |
| 501 | 1486 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1487 |
| 509 | 1488 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1489 | |
| 611 | 1490 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1491 sizeof(ngx_hash_keys_arrays_t)); | |
| 1492 if (cmcf->variables_keys == NULL) { | |
| 1493 return NGX_ERROR; | |
| 1494 } | |
| 1495 | |
| 1496 cmcf->variables_keys->pool = cf->pool; | |
| 1497 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1498 | |
| 1499 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1500 != NGX_OK) | |
| 509 | 1501 { |
| 499 | 1502 return NGX_ERROR; |
| 1503 } | |
| 1504 | |
| 611 | 1505 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1506 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1507 NGX_HASH_READONLY_KEY); | |
| 1508 | |
| 1509 if (rc == NGX_OK) { | |
| 1510 continue; | |
| 499 | 1511 } |
| 1512 | |
| 611 | 1513 if (rc == NGX_BUSY) { |
| 1514 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1515 "conflicting variable name \"%V\"", &v->name); | |
| 1516 } | |
| 1517 | |
| 1518 return NGX_ERROR; | |
| 499 | 1519 } |
| 1520 | |
| 1521 return NGX_OK; | |
| 1522 } | |
| 509 | 1523 |
| 1524 | |
| 1525 ngx_int_t | |
| 1526 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1527 { | |
| 1528 ngx_uint_t i, n; | |
| 611 | 1529 ngx_hash_key_t *key; |
| 1530 ngx_hash_init_t hash; | |
| 509 | 1531 ngx_http_variable_t *v, *av; |
| 1532 ngx_http_core_main_conf_t *cmcf; | |
| 1533 | |
| 1534 /* set the handlers for the indexed http variables */ | |
| 1535 | |
| 1536 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1537 | |
| 1538 v = cmcf->variables.elts; | |
| 611 | 1539 key = cmcf->variables_keys->keys.elts; |
| 509 | 1540 |
| 1541 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1542 | |
| 611 | 1543 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1544 |
|
1191
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|
1545 av = key[n].value; |
|
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diff
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|
1546 |
|
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|
1547 if (av->get_handler |
|
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|
1548 && v[i].name.len == key[n].key.len |
| 611 | 1549 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1550 == 0) |
| 1551 { | |
| 637 | 1552 v[i].get_handler = av->get_handler; |
| 611 | 1553 v[i].data = av->data; |
| 527 | 1554 |
| 611 | 1555 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1556 v[i].flags = av->flags; | |
| 509 | 1557 |
| 611 | 1558 av->index = i; |
| 533 | 1559 |
| 509 | 1560 goto next; |
| 1561 } | |
| 1562 } | |
| 1563 | |
| 1564 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1565 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1566 v[i].data = (uintptr_t) &v[i].name; |
| 1567 | |
| 1568 continue; | |
| 1569 } | |
| 1570 | |
| 1571 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1572 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1573 v[i].data = (uintptr_t) &v[i].name; |
| 1574 | |
| 1575 continue; | |
| 1576 } | |
| 1577 | |
| 1162 | 1578 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1579 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1580 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1581 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1582 |
| 1583 continue; | |
| 1584 } | |
| 1585 | |
| 2307 | 1586 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1587 v[i].get_handler = ngx_http_variable_cookie; | |
| 1588 v[i].data = (uintptr_t) &v[i].name; | |
| 1589 | |
| 1590 continue; | |
| 1591 } | |
| 1592 | |
| 2137 | 1593 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1594 v[i].get_handler = ngx_http_variable_argument; | |
| 1595 v[i].data = (uintptr_t) &v[i].name; | |
| 1596 | |
| 1597 continue; | |
| 1598 } | |
| 1599 | |
| 509 | 1600 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1601 "unknown \"%V\" variable", &v[i].name); | |
| 1602 | |
| 1603 return NGX_ERROR; | |
| 1604 | |
| 1605 next: | |
| 1606 continue; | |
| 1607 } | |
| 1608 | |
| 1609 | |
| 611 | 1610 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1611 av = key[n].value; | |
| 1612 | |
| 1613 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1614 key[n].key.data = NULL; | |
| 583 | 1615 } |
| 1616 } | |
| 1617 | |
| 1618 | |
| 611 | 1619 hash.hash = &cmcf->variables_hash; |
| 1620 hash.key = ngx_hash_key; | |
| 1621 hash.max_size = cmcf->variables_hash_max_size; | |
| 1622 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1623 hash.name = "variables_hash"; | |
| 1624 hash.pool = cf->pool; | |
| 1625 hash.temp_pool = NULL; | |
| 509 | 1626 |
| 611 | 1627 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1628 cmcf->variables_keys->keys.nelts) | |
| 581 | 1629 != NGX_OK) |
| 509 | 1630 { |
| 1631 return NGX_ERROR; | |
| 1632 } | |
| 1633 | |
| 611 | 1634 cmcf->variables_keys = NULL; |
| 509 | 1635 |
| 1636 return NGX_OK; | |
| 1637 } | |
|
2333
f267d23868fc
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diff
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|
1638 |
|
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|
1639 |
|
f267d23868fc
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|
1640 void |
|
f267d23868fc
variable value rbtree support
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diff
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|
1641 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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parents:
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diff
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|
1642 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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parents:
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|
1643 { |
|
f267d23868fc
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diff
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|
1644 ngx_rbtree_node_t **p; |
|
f267d23868fc
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diff
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|
1645 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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|
1646 |
|
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diff
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|
1647 for ( ;; ) { |
|
f267d23868fc
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parents:
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diff
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|
1648 |
|
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diff
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|
1649 vvn = (ngx_http_variable_value_node_t *) node; |
|
f267d23868fc
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diff
changeset
|
1650 vvt = (ngx_http_variable_value_node_t *) temp; |
|
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parents:
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diff
changeset
|
1651 |
|
f267d23868fc
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diff
changeset
|
1652 if (node->key != temp->key) { |
|
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parents:
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diff
changeset
|
1653 |
|
f267d23868fc
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parents:
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diff
changeset
|
1654 p = (node->key < temp->key) ? &temp->left : &temp->right; |
|
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|
1655 |
|
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diff
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|
1656 } else if (vvn->len != vvt->len) { |
|
f267d23868fc
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parents:
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diff
changeset
|
1657 |
|
f267d23868fc
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diff
changeset
|
1658 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
|
f267d23868fc
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parents:
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diff
changeset
|
1659 |
|
f267d23868fc
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parents:
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diff
changeset
|
1660 } else { |
|
f267d23868fc
variable value rbtree support
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parents:
2307
diff
changeset
|
1661 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1662 ? &temp->left : &temp->right; |
|
f267d23868fc
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parents:
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diff
changeset
|
1663 } |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1664 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1665 if (*p == sentinel) { |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1666 break; |
|
f267d23868fc
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parents:
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diff
changeset
|
1667 } |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1668 |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1669 temp = *p; |
|
f267d23868fc
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parents:
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diff
changeset
|
1670 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1671 |
|
f267d23868fc
variable value rbtree support
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parents:
2307
diff
changeset
|
1672 *p = node; |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1673 node->parent = temp; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1674 node->left = sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1675 node->right = sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1676 ngx_rbt_red(node); |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1677 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1678 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1679 |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1680 ngx_http_variable_value_t * |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1681 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
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variable value rbtree support
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parents:
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diff
changeset
|
1682 uint32_t hash) |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1683 { |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1684 ngx_int_t rc; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1685 ngx_rbtree_node_t *node, *sentinel; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1686 ngx_http_variable_value_node_t *vvn; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1687 |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1688 node = rbtree->root; |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1689 sentinel = rbtree->sentinel; |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1690 |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1691 while (node != sentinel) { |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1692 |
|
f267d23868fc
variable value rbtree support
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parents:
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diff
changeset
|
1693 vvn = (ngx_http_variable_value_node_t *) node; |
|
f267d23868fc
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parents:
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diff
changeset
|
1694 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1695 if (hash != node->key) { |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1696 node = (hash < node->key) ? node->left : node->right; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1697 continue; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1698 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1699 |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1700 if (val->len != vvn->len) { |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1701 node = (val->len < vvn->len) ? node->left : node->right; |
|
f267d23868fc
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
1702 continue; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1703 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1704 |
|
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variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1705 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
|
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parents:
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diff
changeset
|
1706 |
|
f267d23868fc
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parents:
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diff
changeset
|
1707 if (rc < 0) { |
|
f267d23868fc
variable value rbtree support
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parents:
2307
diff
changeset
|
1708 node = node->left; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1709 continue; |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1710 } |
|
f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1711 |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
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1712 if (rc > 0) { |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
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1713 node = node->right; |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1714 continue; |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1715 } |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1716 |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1717 return vvn->value; |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1718 } |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1719 |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1720 return NULL; |
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f267d23868fc
variable value rbtree support
Igor Sysoev <igor@sysoev.ru>
parents:
2307
diff
changeset
|
1721 } |