Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 2485:51b1097dbb67
fix $sent_http_location for local redirects
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 30 Jan 2009 05:26:27 +0000 |
| parents | d311b7f6a403 |
| children | 2e91aecb9e57 |
| rev | line source |
|---|---|
| 499 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 1329 | 10 #include <nginx.h> |
| 499 | 11 |
| 12 | |
| 573 | 13 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
| 14 ngx_http_variable_value_t *v, uintptr_t data); | |
| 1350 | 15 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
| 16 ngx_http_variable_value_t *v, uintptr_t data); | |
| 637 | 17 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 18 ngx_http_variable_value_t *v, uintptr_t data); | |
| 573 | 19 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
| 20 ngx_http_variable_value_t *v, uintptr_t data); | |
| 21 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
| 22 ngx_http_variable_value_t *v, uintptr_t data); | |
| 577 | 23 |
| 24 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
| 573 | 25 ngx_http_variable_value_t *v, uintptr_t data); |
| 577 | 26 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
| 27 ngx_http_variable_value_t *v, uintptr_t data); | |
|
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$cookie_... variable did not for SSI and perl
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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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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); | |
|
2485
51b1097dbb67
fix $sent_http_location for local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
2415
diff
changeset
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72 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
|
51b1097dbb67
fix $sent_http_location for local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
2415
diff
changeset
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73 ngx_http_variable_value_t *v, uintptr_t data); |
| 641 | 74 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 75 ngx_http_variable_value_t *v, uintptr_t data); | |
| 76 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 77 ngx_http_variable_value_t *v, uintptr_t data); | |
| 78 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 79 ngx_http_variable_value_t *v, uintptr_t data); | |
| 80 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 81 ngx_http_variable_value_t *v, uintptr_t data); | |
| 82 | |
| 1329 | 83 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
| 84 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2011 | 85 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
| 86 ngx_http_variable_value_t *v, uintptr_t data); | |
| 2249 | 87 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
| 88 ngx_http_variable_value_t *v, uintptr_t data); | |
| 499 | 89 |
| 509 | 90 /* |
| 91 * TODO: | |
| 92 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
| 93 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
| 94 * SERVER_SOFTWARE | |
| 95 * | |
| 571 | 96 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
| 509 | 97 */ |
| 499 | 98 |
| 641 | 99 /* |
| 100 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
| 101 * and $http_x_forwarded_for variables may be handled by generic | |
| 102 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
| 103 * they are handled using dedicated entries | |
| 104 */ | |
| 105 | |
| 509 | 106 static ngx_http_variable_t ngx_http_core_variables[] = { |
| 107 | |
| 637 | 108 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
| 533 | 109 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
| 499 | 110 |
| 637 | 111 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
| 533 | 112 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
| 509 | 113 |
| 637 | 114 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
| 533 | 115 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
| 499 | 116 |
| 117 #if (NGX_HTTP_GZIP) | |
| 637 | 118 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
| 533 | 119 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
| 499 | 120 #endif |
| 121 | |
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optimize $http_x_forwarded_for
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983
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changeset
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122 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
| 637 | 123 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
| 533 | 124 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
| 499 | 125 #endif |
| 126 | |
| 637 | 127 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
| 533 | 128 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
| 515 | 129 |
| 637 | 130 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
| 533 | 131 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
| 509 | 132 |
| 637 | 133 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
| 533 | 134 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
| 509 | 135 |
| 637 | 136 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
| 509 | 137 |
| 982 | 138 { ngx_string("binary_remote_addr"), NULL, |
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ngx_http_variable_binary_remote_addr()
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changeset
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139 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
| 982 | 140 |
| 637 | 141 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
| 499 | 142 |
| 637 | 143 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
| 509 | 144 |
| 637 | 145 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
| 509 | 146 |
| 637 | 147 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
| 509 | 148 |
| 637 | 149 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
| 533 | 150 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
| 509 | 151 |
| 731 | 152 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
| 153 | |
| 637 | 154 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
| 533 | 155 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
| 499 | 156 |
| 637 | 157 { ngx_string("uri"), NULL, ngx_http_variable_request, |
| 158 offsetof(ngx_http_request_t, uri), | |
| 1565 | 159 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 160 |
| 161 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
| 573 | 162 offsetof(ngx_http_request_t, uri), |
| 1565 | 163 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 573 | 164 |
| 637 | 165 { ngx_string("request"), NULL, ngx_http_variable_request, |
| 569 | 166 offsetof(ngx_http_request_t, request_line), 0, 0 }, |
| 167 | |
| 637 | 168 { ngx_string("document_root"), NULL, |
| 1565 | 169 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 170 |
| 2259 | 171 { ngx_string("realpath_root"), NULL, |
| 172 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
| 173 | |
| 637 | 174 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
| 509 | 175 offsetof(ngx_http_request_t, args), |
| 1565 | 176 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 499 | 177 |
| 1350 | 178 { ngx_string("args"), |
| 179 ngx_http_variable_request_set, | |
| 180 ngx_http_variable_request, | |
| 589 | 181 offsetof(ngx_http_request_t, args), |
| 1565 | 182 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 589 | 183 |
| 1351 | 184 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
| 1565 | 185 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 1351 | 186 |
| 637 | 187 { ngx_string("request_filename"), NULL, |
| 188 ngx_http_variable_request_filename, 0, | |
| 1565 | 189 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 509 | 190 |
| 1811 | 191 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
| 509 | 192 |
| 637 | 193 { ngx_string("request_method"), NULL, |
| 194 ngx_http_variable_request_method, 0, 0, 0 }, | |
| 509 | 195 |
| 637 | 196 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
| 509 | 197 |
| 637 | 198 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
| 611 | 199 0, 0, 0 }, |
| 200 | |
| 637 | 201 { ngx_string("request_completion"), NULL, |
| 202 ngx_http_variable_request_completion, | |
| 629 | 203 0, 0, 0 }, |
| 204 | |
| 759 | 205 { ngx_string("request_body_file"), NULL, |
| 206 ngx_http_variable_request_body_file, | |
| 207 0, 0, 0 }, | |
| 208 | |
| 641 | 209 { ngx_string("sent_http_content_type"), NULL, |
| 210 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
| 211 | |
| 212 { ngx_string("sent_http_content_length"), NULL, | |
| 213 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
| 214 | |
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fix $sent_http_location for local redirects
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parents:
2415
diff
changeset
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215 { ngx_string("sent_http_location"), NULL, |
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fix $sent_http_location for local redirects
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parents:
2415
diff
changeset
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216 ngx_http_variable_sent_location, 0, 0, 0 }, |
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51b1097dbb67
fix $sent_http_location for local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
2415
diff
changeset
|
217 |
| 641 | 218 { ngx_string("sent_http_last_modified"), NULL, |
| 219 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
| 220 | |
| 221 { ngx_string("sent_http_connection"), NULL, | |
| 222 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
| 223 | |
| 224 { ngx_string("sent_http_keep_alive"), NULL, | |
| 225 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
| 226 | |
| 227 { ngx_string("sent_http_transfer_encoding"), NULL, | |
| 228 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
| 229 | |
| 230 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
| 231 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
| 232 | |
| 637 | 233 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
| 234 ngx_http_variable_request, | |
| 235 offsetof(ngx_http_request_t, limit_rate), | |
| 1565 | 236 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
| 637 | 237 |
| 1329 | 238 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
| 239 0, 0, 0 }, | |
| 240 | |
| 2011 | 241 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
| 242 0, 0, 0 }, | |
| 243 | |
| 2249 | 244 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
| 245 0, 0, 0 }, | |
| 246 | |
| 637 | 247 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 499 | 248 }; |
| 249 | |
| 250 | |
| 577 | 251 ngx_http_variable_value_t ngx_http_variable_null_value = |
| 252 ngx_http_variable(""); | |
| 253 ngx_http_variable_value_t ngx_http_variable_true_value = | |
| 254 ngx_http_variable("1"); | |
| 255 | |
| 256 | |
| 499 | 257 ngx_http_variable_t * |
| 509 | 258 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
| 259 { | |
| 611 | 260 ngx_int_t rc; |
| 509 | 261 ngx_uint_t i; |
| 611 | 262 ngx_hash_key_t *key; |
| 509 | 263 ngx_http_variable_t *v; |
| 264 ngx_http_core_main_conf_t *cmcf; | |
| 265 | |
| 266 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 267 | |
| 611 | 268 key = cmcf->variables_keys->keys.elts; |
| 269 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 270 if (name->len != key[i].key.len | |
| 271 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 509 | 272 { |
| 273 continue; | |
| 274 } | |
| 275 | |
| 611 | 276 v = key[i].value; |
| 277 | |
| 1565 | 278 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
| 509 | 279 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 280 "the duplicate \"%V\" variable", name); | |
| 281 return NULL; | |
| 282 } | |
| 283 | |
| 611 | 284 return v; |
| 509 | 285 } |
| 286 | |
| 611 | 287 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
| 509 | 288 if (v == NULL) { |
| 289 return NULL; | |
| 290 } | |
| 291 | |
| 292 v->name.len = name->len; | |
| 2049 | 293 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 509 | 294 if (v->name.data == NULL) { |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 2135 | 298 ngx_strlow(v->name.data, name->data, name->len); |
| 509 | 299 |
| 637 | 300 v->set_handler = NULL; |
| 301 v->get_handler = NULL; | |
| 509 | 302 v->data = 0; |
| 303 v->flags = flags; | |
| 533 | 304 v->index = 0; |
| 509 | 305 |
| 611 | 306 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
| 307 | |
| 308 if (rc == NGX_ERROR) { | |
| 309 return NULL; | |
| 310 } | |
| 311 | |
| 312 if (rc == NGX_BUSY) { | |
| 313 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 314 "conflicting variable name \"%V\"", name); | |
| 315 return NULL; | |
| 316 } | |
| 317 | |
| 509 | 318 return v; |
| 319 } | |
| 320 | |
| 321 | |
| 322 ngx_int_t | |
| 323 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 499 | 324 { |
| 501 | 325 ngx_uint_t i; |
| 326 ngx_http_variable_t *v; | |
| 499 | 327 ngx_http_core_main_conf_t *cmcf; |
| 328 | |
| 329 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 330 | |
| 501 | 331 v = cmcf->variables.elts; |
| 332 | |
| 333 if (v == NULL) { | |
| 499 | 334 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
| 335 sizeof(ngx_http_variable_t)) == NGX_ERROR) | |
| 336 { | |
| 509 | 337 return NGX_ERROR; |
| 499 | 338 } |
| 501 | 339 |
| 340 } else { | |
| 341 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 342 if (name->len != v[i].name.len | |
| 343 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 344 { | |
| 345 continue; | |
| 346 } | |
| 347 | |
| 509 | 348 return i; |
| 501 | 349 } |
| 499 | 350 } |
| 351 | |
| 501 | 352 v = ngx_array_push(&cmcf->variables); |
| 353 if (v == NULL) { | |
| 509 | 354 return NGX_ERROR; |
| 499 | 355 } |
| 356 | |
| 501 | 357 v->name.len = name->len; |
| 2049 | 358 v->name.data = ngx_pnalloc(cf->pool, name->len); |
| 501 | 359 if (v->name.data == NULL) { |
| 509 | 360 return NGX_ERROR; |
| 501 | 361 } |
| 499 | 362 |
| 2135 | 363 ngx_strlow(v->name.data, name->data, name->len); |
| 501 | 364 |
| 637 | 365 v->set_handler = NULL; |
| 366 v->get_handler = NULL; | |
| 501 | 367 v->data = 0; |
| 509 | 368 v->flags = 0; |
| 533 | 369 v->index = cmcf->variables.nelts - 1; |
| 501 | 370 |
| 509 | 371 return cmcf->variables.nelts - 1; |
| 499 | 372 } |
| 373 | |
| 374 | |
| 375 ngx_http_variable_value_t * | |
| 376 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 377 { | |
| 501 | 378 ngx_http_variable_t *v; |
| 499 | 379 ngx_http_core_main_conf_t *cmcf; |
| 380 | |
| 381 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 382 | |
| 553 | 383 if (cmcf->variables.nelts <= index) { |
| 499 | 384 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 385 "unknown variable index: %d", index); | |
| 386 return NULL; | |
| 387 } | |
| 388 | |
| 573 | 389 if (r->variables[index].not_found || r->variables[index].valid) { |
| 390 return &r->variables[index]; | |
| 501 | 391 } |
| 499 | 392 |
| 501 | 393 v = cmcf->variables.elts; |
| 499 | 394 |
| 637 | 395 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
| 396 == NGX_OK) | |
| 397 { | |
| 1565 | 398 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
| 399 r->variables[index].no_cacheable = 1; | |
| 499 | 400 } |
| 573 | 401 |
| 402 return &r->variables[index]; | |
| 499 | 403 } |
| 404 | |
| 657 | 405 r->variables[index].valid = 0; |
| 406 r->variables[index].not_found = 1; | |
| 407 | |
| 798 | 408 return NULL; |
| 573 | 409 } |
| 410 | |
| 411 | |
| 412 ngx_http_variable_value_t * | |
| 413 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
| 414 { | |
| 1150 | 415 ngx_http_variable_value_t *v; |
| 573 | 416 |
| 417 v = &r->variables[index]; | |
| 418 | |
| 419 if (v->valid) { | |
| 1565 | 420 if (!v->no_cacheable) { |
| 573 | 421 return v; |
| 422 } | |
| 423 | |
| 424 v->valid = 0; | |
| 425 v->not_found = 0; | |
| 509 | 426 } |
| 501 | 427 |
| 573 | 428 return ngx_http_get_indexed_variable(r, index); |
| 499 | 429 } |
| 430 | |
| 431 | |
| 432 ngx_http_variable_value_t * | |
| 635 | 433 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key, |
| 434 ngx_uint_t nowarn) | |
| 499 | 435 { |
| 501 | 436 ngx_http_variable_t *v; |
| 573 | 437 ngx_http_variable_value_t *vv; |
| 499 | 438 ngx_http_core_main_conf_t *cmcf; |
| 439 | |
| 440 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
| 441 | |
| 611 | 442 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
| 499 | 443 |
| 611 | 444 if (v) { |
| 445 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
| 446 return ngx_http_get_indexed_variable(r, v->index); | |
| 519 | 447 |
| 448 } else { | |
| 499 | 449 |
| 573 | 450 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
| 501 | 451 |
| 637 | 452 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
| 573 | 453 return vv; |
| 454 } | |
| 509 | 455 |
| 573 | 456 return NULL; |
| 457 } | |
| 509 | 458 } |
| 459 | |
| 460 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
| 461 if (vv == NULL) { | |
| 462 return NULL; | |
| 463 } | |
| 464 | |
| 573 | 465 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
| 499 | 466 |
| 577 | 467 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
| 468 == NGX_OK) | |
| 469 { | |
| 470 return vv; | |
| 471 } | |
| 472 | |
| 473 return NULL; | |
| 474 } | |
| 475 | |
| 476 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
| 477 | |
| 478 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
| 479 == NGX_OK) | |
| 573 | 480 { |
| 481 return vv; | |
| 482 } | |
| 499 | 483 |
| 484 return NULL; | |
| 485 } | |
| 486 | |
| 1162 | 487 if (ngx_strncmp(name->data, "upstream_http_", 10) == 0) { |
| 488 | |
| 489 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
| 490 == NGX_OK) | |
| 491 { | |
| 492 return vv; | |
| 493 } | |
| 494 | |
| 495 return NULL; | |
| 496 } | |
| 497 | |
| 2307 | 498 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
| 499 | |
|
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|
500 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
| 2307 | 501 return vv; |
| 502 } | |
| 503 | |
| 504 return NULL; | |
| 505 } | |
| 506 | |
| 2137 | 507 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
| 508 | |
| 509 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
| 510 return vv; | |
| 511 } | |
| 512 | |
| 513 return NULL; | |
| 514 } | |
| 515 | |
| 635 | 516 vv->not_found = 1; |
| 573 | 517 |
| 635 | 518 if (nowarn == 0) { |
| 519 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 520 "unknown \"%V\" variable", name); | |
| 521 } | |
| 499 | 522 |
| 501 | 523 return vv; |
| 499 | 524 } |
| 525 | |
| 526 | |
| 573 | 527 static ngx_int_t |
| 528 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 529 uintptr_t data) | |
| 530 { | |
| 531 ngx_str_t *s; | |
| 532 | |
| 533 s = (ngx_str_t *) ((char *) r + data); | |
| 534 | |
| 535 if (s->data) { | |
| 536 v->len = s->len; | |
| 537 v->valid = 1; | |
| 1565 | 538 v->no_cacheable = 0; |
| 573 | 539 v->not_found = 0; |
| 540 v->data = s->data; | |
| 541 | |
| 542 } else { | |
| 543 v->not_found = 1; | |
| 544 } | |
| 545 | |
| 546 return NGX_OK; | |
| 547 } | |
| 548 | |
| 549 | |
| 637 | 550 static void |
| 1350 | 551 ngx_http_variable_request_set(ngx_http_request_t *r, |
| 552 ngx_http_variable_value_t *v, uintptr_t data) | |
| 553 { | |
| 554 ngx_str_t *s; | |
| 555 | |
| 556 s = (ngx_str_t *) ((char *) r + data); | |
| 557 | |
| 558 s->len = v->len; | |
| 559 s->data = v->data; | |
| 560 } | |
| 561 | |
| 562 | |
| 563 static void | |
| 637 | 564 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
| 565 ngx_http_variable_value_t *v, uintptr_t data) | |
| 566 { | |
| 567 ssize_t s, *sp; | |
| 568 ngx_str_t val; | |
| 569 | |
|
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|
570 val.len = v->len; |
| 637 | 571 val.data = v->data; |
| 572 | |
| 573 s = ngx_parse_size(&val); | |
| 574 | |
| 575 if (s == NGX_ERROR) { | |
| 576 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 577 "invalid size \"%V\"", &val); | |
| 578 return; | |
| 579 } | |
| 580 | |
| 581 sp = (ssize_t *) ((char *) r + data); | |
| 582 | |
| 583 *sp = s; | |
| 584 | |
| 585 return; | |
| 586 } | |
| 587 | |
| 588 | |
| 573 | 589 static ngx_int_t |
| 590 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 591 uintptr_t data) | |
| 515 | 592 { |
| 573 | 593 ngx_table_elt_t *h; |
| 594 | |
| 595 h = *(ngx_table_elt_t **) ((char *) r + data); | |
| 596 | |
| 597 if (h) { | |
| 598 v->len = h->value.len; | |
| 599 v->valid = 1; | |
| 1565 | 600 v->no_cacheable = 0; |
| 573 | 601 v->not_found = 0; |
| 602 v->data = h->value.data; | |
| 603 | |
| 604 } else { | |
| 605 v->not_found = 1; | |
| 606 } | |
| 607 | |
| 608 return NGX_OK; | |
| 609 } | |
| 610 | |
| 611 | |
| 612 static ngx_int_t | |
| 613 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 614 uintptr_t data) | |
| 615 { | |
| 667 | 616 ssize_t len; |
| 573 | 617 u_char *p; |
| 667 | 618 ngx_uint_t i, n; |
| 573 | 619 ngx_array_t *a; |
| 620 ngx_table_elt_t **h; | |
| 515 | 621 |
| 622 a = (ngx_array_t *) ((char *) r + data); | |
| 623 | |
| 667 | 624 n = a->nelts; |
| 625 | |
| 626 if (n == 0) { | |
| 573 | 627 v->not_found = 1; |
| 628 return NGX_OK; | |
| 515 | 629 } |
| 630 | |
| 573 | 631 v->valid = 1; |
| 1565 | 632 v->no_cacheable = 0; |
| 573 | 633 v->not_found = 0; |
| 515 | 634 |
| 635 h = a->elts; | |
| 636 | |
| 667 | 637 if (n == 1) { |
| 573 | 638 v->len = (*h)->value.len; |
| 639 v->data = (*h)->value.data; | |
| 515 | 640 |
| 573 | 641 return NGX_OK; |
| 515 | 642 } |
| 643 | |
| 667 | 644 len = - (ssize_t) (sizeof("; ") - 1); |
| 573 | 645 |
| 667 | 646 for (i = 0; i < n; i++) { |
| 573 | 647 len += h[i]->value.len + sizeof("; ") - 1; |
| 515 | 648 } |
| 649 | |
| 2049 | 650 p = ngx_pnalloc(r->pool, len); |
| 573 | 651 if (p == NULL) { |
| 652 return NGX_ERROR; | |
| 653 } | |
| 654 | |
| 655 v->len = len; | |
| 656 v->data = p; | |
| 515 | 657 |
| 658 for (i = 0; /* void */ ; i++) { | |
| 573 | 659 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
| 515 | 660 |
| 667 | 661 if (i == n - 1) { |
| 515 | 662 break; |
| 663 } | |
| 664 | |
| 665 *p++ = ';'; *p++ = ' '; | |
| 666 } | |
| 667 | |
| 573 | 668 return NGX_OK; |
| 515 | 669 } |
| 670 | |
| 671 | |
| 573 | 672 static ngx_int_t |
| 577 | 673 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
| 674 ngx_http_variable_value_t *v, uintptr_t data) | |
| 675 { | |
| 676 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
| 677 &r->headers_in.headers.part, | |
| 678 sizeof("http_") - 1); | |
| 679 } | |
| 680 | |
| 681 | |
| 682 static ngx_int_t | |
| 683 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
| 573 | 684 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 685 { |
| 577 | 686 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
| 687 &r->headers_out.headers.part, | |
| 688 sizeof("sent_http_") - 1); | |
| 689 } | |
| 501 | 690 |
| 577 | 691 |
| 1162 | 692 ngx_int_t |
| 577 | 693 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
| 694 ngx_list_part_t *part, size_t prefix) | |
| 695 { | |
| 573 | 696 u_char ch; |
| 697 ngx_uint_t i, n; | |
| 698 ngx_table_elt_t *header; | |
| 499 | 699 |
| 700 header = part->elts; | |
| 701 | |
| 702 for (i = 0; /* void */ ; i++) { | |
| 703 | |
| 704 if (i >= part->nelts) { | |
| 705 if (part->next == NULL) { | |
| 706 break; | |
| 707 } | |
| 708 | |
| 709 part = part->next; | |
| 710 header = part->elts; | |
| 711 i = 0; | |
| 712 } | |
| 713 | |
| 577 | 714 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
| 499 | 715 ch = header[i].key.data[n]; |
| 716 | |
| 509 | 717 if (ch >= 'A' && ch <= 'Z') { |
| 718 ch |= 0x20; | |
| 499 | 719 |
| 720 } else if (ch == '-') { | |
| 721 ch = '_'; | |
| 722 } | |
| 723 | |
| 577 | 724 if (var->data[n + prefix] != ch) { |
| 499 | 725 break; |
| 726 } | |
| 727 } | |
| 728 | |
|
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parents:
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diff
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|
729 if (n + prefix == var->len && n == header[i].key.len) { |
| 573 | 730 v->len = header[i].value.len; |
| 731 v->valid = 1; | |
| 1565 | 732 v->no_cacheable = 0; |
| 573 | 733 v->not_found = 0; |
| 734 v->data = header[i].value.data; | |
| 499 | 735 |
| 573 | 736 return NGX_OK; |
| 499 | 737 } |
| 738 } | |
| 739 | |
| 573 | 740 v->not_found = 1; |
| 741 | |
| 742 return NGX_OK; | |
| 509 | 743 } |
| 744 | |
| 745 | |
| 573 | 746 static ngx_int_t |
| 2307 | 747 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 748 uintptr_t data) | |
| 749 { | |
| 750 ngx_str_t *name = (ngx_str_t *) data; | |
| 751 | |
| 752 ngx_str_t cookie, s; | |
| 753 | |
| 754 s.len = name->len - (sizeof("cookie_") - 1); | |
| 755 s.data = name->data + sizeof("cookie_") - 1; | |
| 756 | |
| 757 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
| 758 == NGX_DECLINED) | |
| 759 { | |
| 760 v->not_found = 1; | |
| 761 return NGX_OK; | |
| 762 } | |
| 763 | |
| 764 v->len = cookie.len; | |
| 765 v->valid = 1; | |
| 766 v->no_cacheable = 0; | |
| 767 v->not_found = 0; | |
| 768 v->data = cookie.data; | |
| 769 | |
| 770 return NGX_OK; | |
| 771 } | |
| 772 | |
| 773 | |
| 774 static ngx_int_t | |
| 2137 | 775 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 776 uintptr_t data) | |
| 777 { | |
| 778 ngx_str_t *name = (ngx_str_t *) data; | |
| 779 | |
| 2415 | 780 u_char *arg; |
| 781 size_t len; | |
| 782 ngx_str_t value; | |
| 2137 | 783 |
| 2415 | 784 len = name->len - (sizeof("arg_") - 1); |
| 785 arg = name->data + sizeof("arg_") - 1; | |
| 786 | |
| 787 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
| 2137 | 788 v->not_found = 1; |
| 789 return NGX_OK; | |
| 790 } | |
| 791 | |
| 2415 | 792 v->data = value.data; |
| 793 v->len = value.len; | |
| 794 v->valid = 1; | |
| 795 v->no_cacheable = 0; | |
| 796 v->not_found = 0; | |
| 2137 | 797 |
| 798 return NGX_OK; | |
| 799 } | |
| 800 | |
| 801 | |
| 802 static ngx_int_t | |
| 573 | 803 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
| 804 uintptr_t data) | |
| 509 | 805 { |
| 1811 | 806 ngx_http_core_srv_conf_t *cscf; |
| 807 | |
|
2007
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parents:
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diff
changeset
|
808 if (r->headers_in.server.len) { |
|
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parents:
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diff
changeset
|
809 v->len = r->headers_in.server.len; |
|
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parents:
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diff
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|
810 v->data = r->headers_in.server.data; |
|
928
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fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
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|
811 |
|
a6fe6bedb9e3
fix segfault when $host is used and
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parents:
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diff
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|
812 } else { |
|
2007
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
813 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
|
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parents:
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diff
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|
814 |
|
b9de93d804ea
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Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
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|
815 v->len = cscf->server_name.len; |
|
b9de93d804ea
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parents:
1811
diff
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|
816 v->data = cscf->server_name.data; |
| 509 | 817 } |
| 818 | |
| 573 | 819 v->valid = 1; |
| 1565 | 820 v->no_cacheable = 0; |
| 573 | 821 v->not_found = 0; |
| 509 | 822 |
| 573 | 823 return NGX_OK; |
| 499 | 824 } |
| 825 | |
| 826 | |
| 573 | 827 static ngx_int_t |
|
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diff
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|
828 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
| 573 | 829 ngx_http_variable_value_t *v, uintptr_t data) |
| 499 | 830 { |
| 982 | 831 struct sockaddr_in *sin; |
| 832 | |
|
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833 /* AF_INET only */ |
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834 |
|
7a8ca436d611
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parents:
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diff
changeset
|
835 sin = (struct sockaddr_in *) r->connection->sockaddr; |
| 982 | 836 |
|
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diff
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|
837 v->len = sizeof(in_addr_t); |
|
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diff
changeset
|
838 v->valid = 1; |
| 1565 | 839 v->no_cacheable = 0; |
|
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diff
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840 v->not_found = 0; |
|
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diff
changeset
|
841 v->data = (u_char *) &sin->sin_addr.s_addr; |
| 982 | 842 |
|
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parents:
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diff
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843 return NGX_OK; |
|
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parents:
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diff
changeset
|
844 } |
| 982 | 845 |
| 846 | |
|
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parents:
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847 static ngx_int_t |
|
7a8ca436d611
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parents:
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diff
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|
848 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
|
7a8ca436d611
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849 ngx_http_variable_value_t *v, uintptr_t data) |
|
7a8ca436d611
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|
850 { |
|
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diff
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851 v->len = r->connection->addr_text.len; |
|
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diff
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|
852 v->valid = 1; |
| 1565 | 853 v->no_cacheable = 0; |
|
983
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parents:
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854 v->not_found = 0; |
|
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|
855 v->data = r->connection->addr_text.data; |
| 499 | 856 |
| 573 | 857 return NGX_OK; |
| 499 | 858 } |
| 859 | |
| 860 | |
| 573 | 861 static ngx_int_t |
| 862 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
| 863 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 864 { |
| 573 | 865 ngx_uint_t port; |
| 866 struct sockaddr_in *sin; | |
| 509 | 867 |
| 573 | 868 v->len = 0; |
| 869 v->valid = 1; | |
| 1565 | 870 v->no_cacheable = 0; |
| 573 | 871 v->not_found = 0; |
| 509 | 872 |
| 2049 | 873 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
| 573 | 874 if (v->data == NULL) { |
| 875 return NGX_ERROR; | |
| 509 | 876 } |
| 877 | |
| 878 /* AF_INET only */ | |
| 577 | 879 |
| 509 | 880 if (r->connection->sockaddr->sa_family == AF_INET) { |
| 881 sin = (struct sockaddr_in *) r->connection->sockaddr; | |
| 577 | 882 |
| 509 | 883 port = ntohs(sin->sin_port); |
| 577 | 884 |
| 509 | 885 if (port > 0 && port < 65536) { |
| 573 | 886 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
| 509 | 887 } |
| 888 } | |
| 889 | |
| 573 | 890 return NGX_OK; |
| 509 | 891 } |
| 892 | |
| 893 | |
| 573 | 894 static ngx_int_t |
| 895 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
| 896 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 897 { |
| 1805 | 898 ngx_str_t s; |
| 499 | 899 |
|
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900 s.data = ngx_pnalloc(r->pool, NGX_INET_ADDRSTRLEN); |
| 1805 | 901 if (s.data == NULL) { |
| 573 | 902 return NGX_ERROR; |
| 509 | 903 } |
| 904 | |
| 1805 | 905 if (ngx_http_server_addr(r, &s) != NGX_OK) { |
| 906 return NGX_ERROR; | |
| 509 | 907 } |
| 908 | |
| 1805 | 909 v->len = s.len; |
| 573 | 910 v->valid = 1; |
| 1565 | 911 v->no_cacheable = 0; |
| 573 | 912 v->not_found = 0; |
| 1805 | 913 v->data = s.data; |
| 499 | 914 |
| 573 | 915 return NGX_OK; |
| 499 | 916 } |
| 917 | |
| 918 | |
| 573 | 919 static ngx_int_t |
| 920 ngx_http_variable_server_port(ngx_http_request_t *r, | |
| 921 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 922 { |
| 573 | 923 v->len = r->port_text->len - 1; |
| 924 v->valid = 1; | |
| 1565 | 925 v->no_cacheable = 0; |
| 573 | 926 v->not_found = 0; |
| 927 v->data = r->port_text->data + 1; | |
| 509 | 928 |
| 573 | 929 return NGX_OK; |
| 509 | 930 } |
| 931 | |
| 932 | |
| 573 | 933 static ngx_int_t |
| 731 | 934 ngx_http_variable_scheme(ngx_http_request_t *r, |
| 935 ngx_http_variable_value_t *v, uintptr_t data) | |
| 936 { | |
| 937 #if (NGX_HTTP_SSL) | |
| 938 | |
| 939 if (r->connection->ssl) { | |
| 940 v->len = sizeof("https") - 1; | |
| 941 v->valid = 1; | |
| 1565 | 942 v->no_cacheable = 0; |
| 731 | 943 v->not_found = 0; |
| 732 | 944 v->data = (u_char *) "https"; |
| 731 | 945 |
| 946 return NGX_OK; | |
| 947 } | |
| 948 | |
| 949 #endif | |
| 950 | |
| 951 v->len = sizeof("http") - 1; | |
| 952 v->valid = 1; | |
| 1565 | 953 v->no_cacheable = 0; |
| 731 | 954 v->not_found = 0; |
| 732 | 955 v->data = (u_char *) "http"; |
| 731 | 956 |
| 957 return NGX_OK; | |
| 958 } | |
| 959 | |
| 960 | |
| 961 static ngx_int_t | |
| 1351 | 962 ngx_http_variable_is_args(ngx_http_request_t *r, |
| 963 ngx_http_variable_value_t *v, uintptr_t data) | |
| 964 { | |
| 965 v->valid = 1; | |
| 1565 | 966 v->no_cacheable = 0; |
| 1351 | 967 v->not_found = 0; |
| 968 | |
| 969 if (r->args.len == 0) { | |
| 970 v->len = 0; | |
| 971 v->data = NULL; | |
| 972 return NGX_OK; | |
| 973 } | |
| 974 | |
| 975 v->len = 1; | |
| 976 v->data = (u_char *) "?"; | |
| 977 | |
| 978 return NGX_OK; | |
| 979 } | |
| 980 | |
| 981 | |
| 982 static ngx_int_t | |
| 573 | 983 ngx_http_variable_document_root(ngx_http_request_t *r, |
| 984 ngx_http_variable_value_t *v, uintptr_t data) | |
| 499 | 985 { |
| 671 | 986 ngx_str_t path; |
| 573 | 987 ngx_http_core_loc_conf_t *clcf; |
| 509 | 988 |
| 989 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 990 | |
| 671 | 991 if (clcf->root_lengths == NULL) { |
| 992 v->len = clcf->root.len; | |
| 993 v->valid = 1; | |
| 1565 | 994 v->no_cacheable = 0; |
| 671 | 995 v->not_found = 0; |
| 996 v->data = clcf->root.data; | |
| 997 | |
| 998 } else { | |
| 999 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
| 1000 clcf->root_values->elts) | |
| 1001 == NULL) | |
| 1002 { | |
| 1003 return NGX_ERROR; | |
| 1004 } | |
| 1005 | |
| 1352 | 1006 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) |
| 1007 == NGX_ERROR) | |
| 1008 { | |
| 671 | 1009 return NGX_ERROR; |
| 1010 } | |
| 1011 | |
| 1012 v->len = path.len; | |
| 1013 v->valid = 1; | |
| 1565 | 1014 v->no_cacheable = 0; |
| 671 | 1015 v->not_found = 0; |
| 1016 v->data = path.data; | |
| 1017 } | |
| 509 | 1018 |
| 573 | 1019 return NGX_OK; |
| 509 | 1020 } |
| 1021 | |
| 1022 | |
| 573 | 1023 static ngx_int_t |
| 2259 | 1024 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
| 1025 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1026 { | |
| 1027 size_t len; | |
| 1028 ngx_str_t path; | |
| 1029 ngx_http_core_loc_conf_t *clcf; | |
| 1030 u_char real[NGX_MAX_PATH]; | |
| 1031 | |
| 1032 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1033 | |
| 1034 if (clcf->root_lengths == NULL) { | |
| 1035 path = clcf->root; | |
| 1036 | |
| 1037 } else { | |
| 1038 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
| 1039 clcf->root_values->elts) | |
| 1040 == NULL) | |
| 1041 { | |
| 1042 return NGX_ERROR; | |
| 1043 } | |
| 1044 | |
| 1045 path.data[path.len - 1] = '\0'; | |
| 1046 | |
| 1047 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) | |
| 1048 == NGX_ERROR) | |
| 1049 { | |
| 1050 return NGX_ERROR; | |
| 1051 } | |
| 1052 } | |
| 1053 | |
| 1054 if (ngx_realpath(path.data, real) == NULL) { | |
| 1055 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 1056 ngx_realpath_n " \"%s\" failed", path.data); | |
| 1057 return NGX_ERROR; | |
| 1058 } | |
| 1059 | |
| 1060 len = ngx_strlen(real); | |
| 1061 | |
| 1062 v->data = ngx_pnalloc(r->pool, len); | |
| 1063 if (v->data == NULL) { | |
| 1064 return NGX_ERROR; | |
| 1065 } | |
| 1066 | |
| 1067 v->len = len; | |
| 1068 v->valid = 1; | |
| 1069 v->no_cacheable = 0; | |
| 1070 v->not_found = 0; | |
| 1071 | |
| 1072 ngx_memcpy(v->data, real, len); | |
| 1073 | |
| 1074 return NGX_OK; | |
| 1075 } | |
| 1076 | |
| 1077 | |
| 1078 static ngx_int_t | |
| 573 | 1079 ngx_http_variable_request_filename(ngx_http_request_t *r, |
| 1080 ngx_http_variable_value_t *v, uintptr_t data) | |
| 509 | 1081 { |
| 773 | 1082 size_t root; |
| 573 | 1083 ngx_str_t path; |
| 499 | 1084 |
| 773 | 1085 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
| 573 | 1086 return NGX_ERROR; |
| 557 | 1087 } |
| 509 | 1088 |
| 557 | 1089 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
| 509 | 1090 |
| 573 | 1091 v->len = path.len - 1; |
| 1092 v->valid = 1; | |
| 1565 | 1093 v->no_cacheable = 0; |
| 573 | 1094 v->not_found = 0; |
| 1095 v->data = path.data; | |
| 499 | 1096 |
| 573 | 1097 return NGX_OK; |
| 499 | 1098 } |
| 1099 | |
| 1100 | |
| 573 | 1101 static ngx_int_t |
| 1811 | 1102 ngx_http_variable_server_name(ngx_http_request_t *r, |
| 1103 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1104 { | |
| 1105 ngx_http_core_srv_conf_t *cscf; | |
| 1106 | |
| 1107 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
| 1108 | |
| 1109 v->len = cscf->server_name.len; | |
| 1110 v->valid = 1; | |
| 1111 v->no_cacheable = 0; | |
| 1112 v->not_found = 0; | |
| 1113 v->data = cscf->server_name.data; | |
| 1114 | |
| 1115 return NGX_OK; | |
| 1116 } | |
| 1117 | |
| 1118 | |
| 1119 static ngx_int_t | |
| 573 | 1120 ngx_http_variable_request_method(ngx_http_request_t *r, |
| 1121 ngx_http_variable_value_t *v, uintptr_t data) | |
| 561 | 1122 { |
| 647 | 1123 if (r->main->method_name.data) { |
| 1124 v->len = r->main->method_name.len; | |
| 573 | 1125 v->valid = 1; |
| 1565 | 1126 v->no_cacheable = 0; |
| 573 | 1127 v->not_found = 0; |
| 647 | 1128 v->data = r->main->method_name.data; |
| 573 | 1129 |
| 1130 } else { | |
| 1131 v->not_found = 1; | |
| 561 | 1132 } |
| 1133 | |
| 573 | 1134 return NGX_OK; |
| 561 | 1135 } |
| 1136 | |
| 1137 | |
| 573 | 1138 static ngx_int_t |
| 1139 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
| 1140 ngx_http_variable_value_t *v, uintptr_t data) | |
| 539 | 1141 { |
| 573 | 1142 ngx_int_t rc; |
| 539 | 1143 |
| 1144 rc = ngx_http_auth_basic_user(r); | |
| 1145 | |
| 1146 if (rc == NGX_DECLINED) { | |
| 573 | 1147 v->not_found = 1; |
| 1148 return NGX_OK; | |
| 539 | 1149 } |
| 1150 | |
| 1151 if (rc == NGX_ERROR) { | |
| 573 | 1152 return NGX_ERROR; |
| 539 | 1153 } |
| 1154 | |
| 573 | 1155 v->len = r->headers_in.user.len; |
| 1156 v->valid = 1; | |
| 1565 | 1157 v->no_cacheable = 0; |
| 573 | 1158 v->not_found = 0; |
| 1159 v->data = r->headers_in.user.data; | |
| 571 | 1160 |
| 573 | 1161 return NGX_OK; |
| 571 | 1162 } |
| 1163 | |
| 1164 | |
| 611 | 1165 static ngx_int_t |
| 1166 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
| 1167 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1168 { | |
| 1169 off_t sent; | |
| 1170 u_char *p; | |
| 1171 | |
| 1172 sent = r->connection->sent - r->header_size; | |
| 1173 | |
| 1174 if (sent < 0) { | |
| 1175 sent = 0; | |
| 1176 } | |
| 1177 | |
| 2049 | 1178 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 611 | 1179 if (p == NULL) { |
| 1180 return NGX_ERROR; | |
| 1181 } | |
| 1182 | |
| 1183 v->len = ngx_sprintf(p, "%O", sent) - p; | |
| 1184 v->valid = 1; | |
| 1565 | 1185 v->no_cacheable = 0; |
| 611 | 1186 v->not_found = 0; |
| 1187 v->data = p; | |
| 1188 | |
| 1189 return NGX_OK; | |
| 1190 } | |
| 1191 | |
| 1192 | |
| 629 | 1193 static ngx_int_t |
| 641 | 1194 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
| 1195 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1196 { | |
| 1197 if (r->headers_out.content_type.len) { | |
| 1198 v->len = r->headers_out.content_type.len; | |
| 1199 v->valid = 1; | |
| 1565 | 1200 v->no_cacheable = 0; |
| 641 | 1201 v->not_found = 0; |
| 1202 v->data = r->headers_out.content_type.data; | |
| 1203 | |
| 1204 } else { | |
| 1205 v->not_found = 1; | |
| 1206 } | |
| 1207 | |
| 1208 return NGX_OK; | |
| 1209 } | |
| 1210 | |
| 1211 | |
| 1212 static ngx_int_t | |
| 1213 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
| 1214 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1215 { | |
| 1216 u_char *p; | |
| 1217 | |
| 1218 if (r->headers_out.content_length) { | |
| 1219 v->len = r->headers_out.content_length->value.len; | |
| 1220 v->valid = 1; | |
| 1565 | 1221 v->no_cacheable = 0; |
| 641 | 1222 v->not_found = 0; |
| 1223 v->data = r->headers_out.content_length->value.data; | |
| 1224 | |
| 1225 return NGX_OK; | |
| 1226 } | |
| 1227 | |
| 1228 if (r->headers_out.content_length_n >= 0) { | |
| 2049 | 1229 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
| 641 | 1230 if (p == NULL) { |
| 1231 return NGX_ERROR; | |
| 1232 } | |
| 1233 | |
| 1234 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
| 1235 v->valid = 1; | |
| 1565 | 1236 v->no_cacheable = 0; |
| 641 | 1237 v->not_found = 0; |
| 1238 v->data = p; | |
| 1239 | |
| 1240 return NGX_OK; | |
| 1241 } | |
| 1242 | |
| 1243 v->not_found = 1; | |
| 1244 | |
| 1245 return NGX_OK; | |
| 1246 } | |
| 1247 | |
| 1248 | |
| 1249 static ngx_int_t | |
|
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1250 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1251 ngx_http_variable_value_t *v, uintptr_t data) |
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1252 { |
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1253 if (r->headers_out.location) { |
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1254 v->len = r->headers_out.location->value.len; |
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1255 v->valid = 1; |
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1256 v->no_cacheable = 0; |
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1257 v->not_found = 0; |
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1258 v->data = r->headers_out.location->value.data; |
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1259 |
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1260 return NGX_OK; |
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1261 } |
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1262 |
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1263 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
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1264 &r->headers_out.headers.part, |
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1265 sizeof("sent_http_") - 1); |
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1266 } |
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1267 |
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1268 |
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1269 static ngx_int_t |
| 641 | 1270 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
| 1271 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1272 { | |
| 1273 u_char *p; | |
| 1274 | |
| 1275 if (r->headers_out.last_modified) { | |
| 1276 v->len = r->headers_out.last_modified->value.len; | |
| 1277 v->valid = 1; | |
| 1565 | 1278 v->no_cacheable = 0; |
| 641 | 1279 v->not_found = 0; |
| 1280 v->data = r->headers_out.last_modified->value.data; | |
| 1281 | |
| 1282 return NGX_OK; | |
| 1283 } | |
| 1284 | |
| 1285 if (r->headers_out.last_modified_time >= 0) { | |
| 2049 | 1286 p = ngx_pnalloc(r->pool, |
| 641 | 1287 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
| 1288 if (p == NULL) { | |
| 1289 return NGX_ERROR; | |
| 1290 } | |
| 1291 | |
| 1292 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
| 1293 v->valid = 1; | |
| 1565 | 1294 v->no_cacheable = 0; |
| 641 | 1295 v->not_found = 0; |
| 1296 v->data = p; | |
| 1297 | |
| 1298 return NGX_OK; | |
| 1299 } | |
| 1300 | |
| 1301 v->not_found = 1; | |
| 1302 | |
| 1303 return NGX_OK; | |
| 1304 } | |
| 1305 | |
| 1306 | |
| 1307 static ngx_int_t | |
| 1308 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
| 1309 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1310 { | |
| 1311 size_t len; | |
| 1312 char *p; | |
| 1313 | |
| 1314 if (r->keepalive) { | |
| 1315 len = sizeof("keep-alive") - 1; | |
| 1316 p = "keep-alive"; | |
| 1317 | |
| 1318 } else { | |
| 1319 len = sizeof("close") - 1; | |
| 1320 p = "close"; | |
| 1321 } | |
| 1322 | |
| 1323 v->len = len; | |
| 1324 v->valid = 1; | |
| 1565 | 1325 v->no_cacheable = 0; |
| 641 | 1326 v->not_found = 0; |
| 1327 v->data = (u_char *) p; | |
| 1328 | |
| 1329 return NGX_OK; | |
| 1330 } | |
| 1331 | |
| 1332 | |
| 1333 static ngx_int_t | |
| 1334 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
| 1335 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1336 { | |
| 1337 u_char *p; | |
| 1338 ngx_http_core_loc_conf_t *clcf; | |
| 1339 | |
| 1340 if (r->keepalive) { | |
| 1341 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 1342 | |
| 1343 if (clcf->keepalive_header) { | |
| 1344 | |
| 2049 | 1345 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
| 641 | 1346 if (p == NULL) { |
| 1347 return NGX_ERROR; | |
| 1348 } | |
| 1349 | |
| 1350 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
| 1351 v->valid = 1; | |
| 1565 | 1352 v->no_cacheable = 0; |
| 641 | 1353 v->not_found = 0; |
| 1354 v->data = p; | |
| 1355 | |
| 1356 return NGX_OK; | |
| 1357 } | |
| 1358 } | |
| 1359 | |
| 1360 v->not_found = 1; | |
| 1361 | |
| 1362 return NGX_OK; | |
| 1363 } | |
| 1364 | |
| 1365 | |
| 1366 static ngx_int_t | |
| 1367 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
| 1368 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1369 { | |
| 1370 if (r->chunked) { | |
| 1371 v->len = sizeof("chunked") - 1; | |
| 1372 v->valid = 1; | |
| 1565 | 1373 v->no_cacheable = 0; |
| 641 | 1374 v->not_found = 0; |
| 1375 v->data = (u_char *) "chunked"; | |
| 1376 | |
| 1377 } else { | |
| 1378 v->not_found = 1; | |
| 1379 } | |
| 1380 | |
| 1381 return NGX_OK; | |
| 1382 } | |
| 1383 | |
| 1384 | |
| 1385 static ngx_int_t | |
| 629 | 1386 ngx_http_variable_request_completion(ngx_http_request_t *r, |
| 1387 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1388 { | |
| 1389 if (r->request_complete) { | |
| 1390 v->len = 2; | |
| 1391 v->valid = 1; | |
| 1565 | 1392 v->no_cacheable = 0; |
| 629 | 1393 v->not_found = 0; |
| 1394 v->data = (u_char *) "OK"; | |
| 1395 | |
| 1396 return NGX_OK; | |
| 1397 } | |
| 1398 | |
| 1399 v->len = 0; | |
| 1400 v->valid = 1; | |
| 1565 | 1401 v->no_cacheable = 0; |
| 629 | 1402 v->not_found = 0; |
| 1403 v->data = (u_char *) ""; | |
| 1404 | |
| 1405 return NGX_OK; | |
| 1406 } | |
| 1407 | |
| 1408 | |
| 759 | 1409 static ngx_int_t |
| 1410 ngx_http_variable_request_body_file(ngx_http_request_t *r, | |
| 1411 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1412 { | |
| 1413 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
|
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1414 v->not_found = 1; |
| 759 | 1415 |
| 1416 return NGX_OK; | |
| 1417 } | |
| 1418 | |
| 1419 v->len = r->request_body->temp_file->file.name.len; | |
| 1420 v->valid = 1; | |
| 1565 | 1421 v->no_cacheable = 0; |
| 759 | 1422 v->not_found = 0; |
| 1423 v->data = r->request_body->temp_file->file.name.data; | |
| 1424 | |
| 1425 return NGX_OK; | |
| 1426 } | |
| 1427 | |
| 1428 | |
| 1329 | 1429 static ngx_int_t |
| 1430 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
| 1431 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1432 { | |
| 1433 v->len = sizeof(NGINX_VERSION) - 1; | |
| 1434 v->valid = 1; | |
| 1565 | 1435 v->no_cacheable = 0; |
| 1329 | 1436 v->not_found = 0; |
| 1437 v->data = (u_char *) NGINX_VERSION; | |
| 1438 | |
| 1439 return NGX_OK; | |
| 1440 } | |
| 1441 | |
| 1442 | |
| 2011 | 1443 static ngx_int_t |
| 1444 ngx_http_variable_hostname(ngx_http_request_t *r, | |
| 1445 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1446 { | |
| 1447 v->len = ngx_cycle->hostname.len; | |
| 1448 v->valid = 1; | |
| 1449 v->no_cacheable = 0; | |
| 1450 v->not_found = 0; | |
| 1451 v->data = ngx_cycle->hostname.data; | |
| 1452 | |
| 1453 return NGX_OK; | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 2249 | 1457 static ngx_int_t |
| 1458 ngx_http_variable_pid(ngx_http_request_t *r, | |
| 1459 ngx_http_variable_value_t *v, uintptr_t data) | |
| 1460 { | |
| 1461 u_char *p; | |
| 1462 | |
| 1463 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
| 1464 if (p == NULL) { | |
| 1465 return NGX_ERROR; | |
| 1466 } | |
| 1467 | |
| 1468 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
| 1469 v->valid = 1; | |
| 1470 v->no_cacheable = 0; | |
| 1471 v->not_found = 0; | |
| 1472 v->data = p; | |
| 1473 | |
| 1474 return NGX_OK; | |
| 1475 } | |
| 1476 | |
| 1477 | |
| 499 | 1478 ngx_int_t |
| 509 | 1479 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
| 499 | 1480 { |
| 611 | 1481 ngx_int_t rc; |
| 1482 ngx_http_variable_t *v; | |
| 501 | 1483 ngx_http_core_main_conf_t *cmcf; |
| 499 | 1484 |
| 509 | 1485 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| 1486 | |
| 611 | 1487 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
| 1488 sizeof(ngx_hash_keys_arrays_t)); | |
| 1489 if (cmcf->variables_keys == NULL) { | |
| 1490 return NGX_ERROR; | |
| 1491 } | |
| 1492 | |
| 1493 cmcf->variables_keys->pool = cf->pool; | |
| 1494 cmcf->variables_keys->temp_pool = cf->pool; | |
| 1495 | |
| 1496 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 1497 != NGX_OK) | |
| 509 | 1498 { |
| 499 | 1499 return NGX_ERROR; |
| 1500 } | |
| 1501 | |
| 611 | 1502 for (v = ngx_http_core_variables; v->name.len; v++) { |
| 1503 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 1504 NGX_HASH_READONLY_KEY); | |
| 1505 | |
| 1506 if (rc == NGX_OK) { | |
| 1507 continue; | |
| 499 | 1508 } |
| 1509 | |
| 611 | 1510 if (rc == NGX_BUSY) { |
| 1511 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1512 "conflicting variable name \"%V\"", &v->name); | |
| 1513 } | |
| 1514 | |
| 1515 return NGX_ERROR; | |
| 499 | 1516 } |
| 1517 | |
| 1518 return NGX_OK; | |
| 1519 } | |
| 509 | 1520 |
| 1521 | |
| 1522 ngx_int_t | |
| 1523 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
| 1524 { | |
| 1525 ngx_uint_t i, n; | |
| 611 | 1526 ngx_hash_key_t *key; |
| 1527 ngx_hash_init_t hash; | |
| 509 | 1528 ngx_http_variable_t *v, *av; |
| 1529 ngx_http_core_main_conf_t *cmcf; | |
| 1530 | |
| 1531 /* set the handlers for the indexed http variables */ | |
| 1532 | |
| 1533 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 1534 | |
| 1535 v = cmcf->variables.elts; | |
| 611 | 1536 key = cmcf->variables_keys->keys.elts; |
| 509 | 1537 |
| 1538 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 1539 | |
| 611 | 1540 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 509 | 1541 |
|
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1542 av = key[n].value; |
|
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1543 |
|
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1544 if (av->get_handler |
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1545 && v[i].name.len == key[n].key.len |
| 611 | 1546 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
| 509 | 1547 == 0) |
| 1548 { | |
| 637 | 1549 v[i].get_handler = av->get_handler; |
| 611 | 1550 v[i].data = av->data; |
| 527 | 1551 |
| 611 | 1552 av->flags |= NGX_HTTP_VAR_INDEXED; |
| 1553 v[i].flags = av->flags; | |
| 509 | 1554 |
| 611 | 1555 av->index = i; |
| 533 | 1556 |
| 509 | 1557 goto next; |
| 1558 } | |
| 1559 } | |
| 1560 | |
| 1561 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
| 637 | 1562 v[i].get_handler = ngx_http_variable_unknown_header_in; |
| 577 | 1563 v[i].data = (uintptr_t) &v[i].name; |
| 1564 | |
| 1565 continue; | |
| 1566 } | |
| 1567 | |
| 1568 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
| 637 | 1569 v[i].get_handler = ngx_http_variable_unknown_header_out; |
| 509 | 1570 v[i].data = (uintptr_t) &v[i].name; |
| 1571 | |
| 1572 continue; | |
| 1573 } | |
| 1574 | |
| 1162 | 1575 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
| 1576 v[i].get_handler = ngx_http_upstream_header_variable; | |
| 1577 v[i].data = (uintptr_t) &v[i].name; | |
| 1565 | 1578 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
| 1162 | 1579 |
| 1580 continue; | |
| 1581 } | |
| 1582 | |
| 2307 | 1583 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
| 1584 v[i].get_handler = ngx_http_variable_cookie; | |
| 1585 v[i].data = (uintptr_t) &v[i].name; | |
| 1586 | |
| 1587 continue; | |
| 1588 } | |
| 1589 | |
| 2137 | 1590 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
| 1591 v[i].get_handler = ngx_http_variable_argument; | |
| 1592 v[i].data = (uintptr_t) &v[i].name; | |
| 1593 | |
| 1594 continue; | |
| 1595 } | |
| 1596 | |
| 509 | 1597 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 1598 "unknown \"%V\" variable", &v[i].name); | |
| 1599 | |
| 1600 return NGX_ERROR; | |
| 1601 | |
| 1602 next: | |
| 1603 continue; | |
| 1604 } | |
| 1605 | |
| 1606 | |
| 611 | 1607 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
| 1608 av = key[n].value; | |
| 1609 | |
| 1610 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
| 1611 key[n].key.data = NULL; | |
| 583 | 1612 } |
| 1613 } | |
| 1614 | |
| 1615 | |
| 611 | 1616 hash.hash = &cmcf->variables_hash; |
| 1617 hash.key = ngx_hash_key; | |
| 1618 hash.max_size = cmcf->variables_hash_max_size; | |
| 1619 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 1620 hash.name = "variables_hash"; | |
| 1621 hash.pool = cf->pool; | |
| 1622 hash.temp_pool = NULL; | |
| 509 | 1623 |
| 611 | 1624 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
| 1625 cmcf->variables_keys->keys.nelts) | |
| 581 | 1626 != NGX_OK) |
| 509 | 1627 { |
| 1628 return NGX_ERROR; | |
| 1629 } | |
| 1630 | |
| 611 | 1631 cmcf->variables_keys = NULL; |
| 509 | 1632 |
| 1633 return NGX_OK; | |
| 1634 } | |
|
2333
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1635 |
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1636 |
|
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1637 void |
|
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1638 ngx_http_variable_value_rbtree_insert(ngx_rbtree_node_t *temp, |
|
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1639 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) |
|
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1640 { |
|
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1641 ngx_rbtree_node_t **p; |
|
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1642 ngx_http_variable_value_node_t *vvn, *vvt; |
|
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1643 |
|
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1644 for ( ;; ) { |
|
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1645 |
|
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1646 vvn = (ngx_http_variable_value_node_t *) node; |
|
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1647 vvt = (ngx_http_variable_value_node_t *) temp; |
|
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|
1648 |
|
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|
1649 if (node->key != temp->key) { |
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1650 |
|
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1651 p = (node->key < temp->key) ? &temp->left : &temp->right; |
|
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1652 |
|
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1653 } else if (vvn->len != vvt->len) { |
|
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1654 |
|
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1655 p = (vvn->len < vvt->len) ? &temp->left : &temp->right; |
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1656 |
|
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1657 } else { |
|
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1658 p = (ngx_memcmp(vvn->value->data, vvt->value->data, vvn->len) < 0) |
|
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1659 ? &temp->left : &temp->right; |
|
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1660 } |
|
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1661 |
|
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1662 if (*p == sentinel) { |
|
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1663 break; |
|
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1664 } |
|
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1665 |
|
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1666 temp = *p; |
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1667 } |
|
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|
1668 |
|
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1669 *p = node; |
|
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1670 node->parent = temp; |
|
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1671 node->left = sentinel; |
|
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1672 node->right = sentinel; |
|
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1673 ngx_rbt_red(node); |
|
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|
1674 } |
|
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|
1675 |
|
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|
1676 |
|
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|
1677 ngx_http_variable_value_t * |
|
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|
1678 ngx_http_variable_value_lookup(ngx_rbtree_t *rbtree, ngx_str_t *val, |
|
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1679 uint32_t hash) |
|
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|
1680 { |
|
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|
1681 ngx_int_t rc; |
|
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|
1682 ngx_rbtree_node_t *node, *sentinel; |
|
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|
1683 ngx_http_variable_value_node_t *vvn; |
|
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1684 |
|
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1685 node = rbtree->root; |
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1686 sentinel = rbtree->sentinel; |
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1687 |
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1688 while (node != sentinel) { |
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1689 |
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1690 vvn = (ngx_http_variable_value_node_t *) node; |
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1691 |
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1692 if (hash != node->key) { |
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1693 node = (hash < node->key) ? node->left : node->right; |
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1694 continue; |
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1695 } |
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1696 |
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1697 if (val->len != vvn->len) { |
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1698 node = (val->len < vvn->len) ? node->left : node->right; |
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1699 continue; |
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1700 } |
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1701 |
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1702 rc = ngx_memcmp(val->data, vvn->value->data, val->len); |
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1703 |
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1704 if (rc < 0) { |
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1705 node = node->left; |
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1706 continue; |
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1707 } |
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1708 |
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1709 if (rc > 0) { |
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1710 node = node->right; |
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1711 continue; |
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1712 } |
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1713 |
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1714 return vvn->value; |
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1715 } |
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1716 |
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1717 return NULL; |
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1718 } |