Mercurial > hg > nginx
annotate src/http/ngx_http_variables.c @ 4334:f8881d301d62
Fixed: some of $sent_http_* variables may contain header entries that actually
haven't been sent to a client.
The ngx_http_variable_headers() and ngx_http_variable_unknown_header() functions
did not ignore response header entries with zero "hash" field.
Thanks to Yichun Zhang (agentzh).
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Fri, 09 Dec 2011 16:17:12 +0000 |
parents | 4d9f985fd217 |
children | d620f497c50f |
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); | |
3282
c76b7a7959d5
fix segfault if $limit_rate was logged
Igor Sysoev <igor@sysoev.ru>
parents:
3268
diff
changeset
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17 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
c76b7a7959d5
fix segfault if $limit_rate was logged
Igor Sysoev <igor@sysoev.ru>
parents:
3268
diff
changeset
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18 ngx_http_variable_value_t *v, uintptr_t data); |
637 | 19 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
20 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 21 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
22 ngx_http_variable_value_t *v, uintptr_t data); | |
23 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
24 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 25 |
26 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 27 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 28 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
29 ngx_http_variable_value_t *v, uintptr_t data); | |
3144
ecbfc3396c42
allow to log invalid $request in access_log always,
Igor Sysoev <igor@sysoev.ru>
parents:
2878
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changeset
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30 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
ecbfc3396c42
allow to log invalid $request in access_log always,
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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31 ngx_http_variable_value_t *v, uintptr_t data); |
2359
4fee4ebbfb0b
$cookie_... variable did not for SSI and perl
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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32 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
4fee4ebbfb0b
$cookie_... variable did not for SSI and perl
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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33 ngx_http_variable_value_t *v, uintptr_t data); |
2137 | 34 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
35 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 36 |
573 | 37 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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39 static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
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40 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 41 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
43 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
44 ngx_http_variable_value_t *v, uintptr_t data); | |
45 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
46 ngx_http_variable_value_t *v, uintptr_t data); | |
47 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
48 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 49 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
50 ngx_http_variable_value_t *v, uintptr_t data); | |
4332
4d9f985fd217
Added the $https variable.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
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51 static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r, |
4d9f985fd217
Added the $https variable.
Valentin Bartenev <vbart@nginx.com>
parents:
3929
diff
changeset
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52 ngx_http_variable_value_t *v, uintptr_t data); |
1351 | 53 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
54 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 55 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
56 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 57 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
58 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 59 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
60 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 61 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
62 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 63 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
64 ngx_http_variable_value_t *v, uintptr_t data); | |
65 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
66 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 67 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
68 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 69 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
70 ngx_http_variable_value_t *v, uintptr_t data); | |
2844 | 71 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
72 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 73 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
74 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 75 |
641 | 76 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
77 ngx_http_variable_value_t *v, uintptr_t data); | |
78 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
79 ngx_http_variable_value_t *v, uintptr_t data); | |
2485
51b1097dbb67
fix $sent_http_location for local redirects
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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80 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
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changeset
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81 ngx_http_variable_value_t *v, uintptr_t data); |
641 | 82 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
84 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
85 ngx_http_variable_value_t *v, uintptr_t data); | |
86 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
87 ngx_http_variable_value_t *v, uintptr_t data); | |
88 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
89 ngx_http_variable_value_t *v, uintptr_t data); | |
90 | |
1329 | 91 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
92 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 93 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
94 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 95 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
96 ngx_http_variable_value_t *v, uintptr_t data); | |
499 | 97 |
509 | 98 /* |
99 * TODO: | |
100 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
101 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
102 * SERVER_SOFTWARE | |
103 * | |
571 | 104 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 105 */ |
499 | 106 |
641 | 107 /* |
108 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
109 * and $http_x_forwarded_for variables may be handled by generic | |
110 * ngx_http_variable_unknown_header_in(), but for perfomance reasons | |
111 * they are handled using dedicated entries | |
112 */ | |
113 | |
509 | 114 static ngx_http_variable_t ngx_http_core_variables[] = { |
115 | |
637 | 116 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 117 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 118 |
637 | 119 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 120 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 121 |
637 | 122 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 123 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 124 |
125 #if (NGX_HTTP_GZIP) | |
637 | 126 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 127 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 128 #endif |
129 | |
1113
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optimize $http_x_forwarded_for
Igor Sysoev <igor@sysoev.ru>
parents:
983
diff
changeset
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130 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
637 | 131 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 132 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 133 #endif |
134 | |
637 | 135 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 136 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 137 |
637 | 138 { ngx_string("content_length"), NULL, ngx_http_variable_header, |
533 | 139 offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, |
509 | 140 |
637 | 141 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 142 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 143 |
637 | 144 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 145 |
982 | 146 { ngx_string("binary_remote_addr"), NULL, |
983
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ngx_http_variable_binary_remote_addr()
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parents:
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changeset
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147 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 148 |
637 | 149 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 150 |
637 | 151 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 152 |
637 | 153 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 154 |
637 | 155 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 156 |
637 | 157 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 158 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 159 |
731 | 160 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
161 | |
4332
4d9f985fd217
Added the $https variable.
Valentin Bartenev <vbart@nginx.com>
parents:
3929
diff
changeset
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162 { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 }, |
4d9f985fd217
Added the $https variable.
Valentin Bartenev <vbart@nginx.com>
parents:
3929
diff
changeset
|
163 |
637 | 164 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 165 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 166 |
637 | 167 { ngx_string("uri"), NULL, ngx_http_variable_request, |
168 offsetof(ngx_http_request_t, uri), | |
1565 | 169 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 170 |
171 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 172 offsetof(ngx_http_request_t, uri), |
1565 | 173 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 174 |
3144
ecbfc3396c42
allow to log invalid $request in access_log always,
Igor Sysoev <igor@sysoev.ru>
parents:
2878
diff
changeset
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175 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
569 | 176 |
637 | 177 { ngx_string("document_root"), NULL, |
1565 | 178 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 179 |
2259 | 180 { ngx_string("realpath_root"), NULL, |
181 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
182 | |
637 | 183 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 184 offsetof(ngx_http_request_t, args), |
1565 | 185 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 186 |
1350 | 187 { ngx_string("args"), |
188 ngx_http_variable_request_set, | |
189 ngx_http_variable_request, | |
589 | 190 offsetof(ngx_http_request_t, args), |
1565 | 191 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 192 |
1351 | 193 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 194 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 195 |
637 | 196 { ngx_string("request_filename"), NULL, |
197 ngx_http_variable_request_filename, 0, | |
1565 | 198 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 199 |
1811 | 200 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 201 |
637 | 202 { ngx_string("request_method"), NULL, |
3463
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make $request_method non-cacheable
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203 ngx_http_variable_request_method, 0, |
0904bd7d5b37
make $request_method non-cacheable
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204 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 205 |
637 | 206 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 207 |
637 | 208 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 209 0, 0, 0 }, |
210 | |
637 | 211 { ngx_string("request_completion"), NULL, |
212 ngx_http_variable_request_completion, | |
629 | 213 0, 0, 0 }, |
214 | |
2844 | 215 { ngx_string("request_body"), NULL, |
216 ngx_http_variable_request_body, | |
217 0, 0, 0 }, | |
218 | |
759 | 219 { ngx_string("request_body_file"), NULL, |
220 ngx_http_variable_request_body_file, | |
221 0, 0, 0 }, | |
222 | |
641 | 223 { ngx_string("sent_http_content_type"), NULL, |
224 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
225 | |
226 { ngx_string("sent_http_content_length"), NULL, | |
227 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
228 | |
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parents:
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229 { ngx_string("sent_http_location"), NULL, |
51b1097dbb67
fix $sent_http_location for local redirects
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parents:
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230 ngx_http_variable_sent_location, 0, 0, 0 }, |
51b1097dbb67
fix $sent_http_location for local redirects
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parents:
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231 |
641 | 232 { ngx_string("sent_http_last_modified"), NULL, |
233 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
234 | |
235 { ngx_string("sent_http_connection"), NULL, | |
236 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
237 | |
238 { ngx_string("sent_http_keep_alive"), NULL, | |
239 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
240 | |
241 { ngx_string("sent_http_transfer_encoding"), NULL, | |
242 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
243 | |
244 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
245 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
246 | |
637 | 247 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
3282
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fix segfault if $limit_rate was logged
Igor Sysoev <igor@sysoev.ru>
parents:
3268
diff
changeset
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248 ngx_http_variable_request_get_size, |
637 | 249 offsetof(ngx_http_request_t, limit_rate), |
1565 | 250 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 251 |
1329 | 252 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
253 0, 0, 0 }, | |
254 | |
2011 | 255 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
256 0, 0, 0 }, | |
257 | |
2249 | 258 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
259 0, 0, 0 }, | |
260 | |
637 | 261 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 262 }; |
263 | |
264 | |
577 | 265 ngx_http_variable_value_t ngx_http_variable_null_value = |
266 ngx_http_variable(""); | |
267 ngx_http_variable_value_t ngx_http_variable_true_value = | |
268 ngx_http_variable("1"); | |
269 | |
270 | |
499 | 271 ngx_http_variable_t * |
509 | 272 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
273 { | |
611 | 274 ngx_int_t rc; |
509 | 275 ngx_uint_t i; |
611 | 276 ngx_hash_key_t *key; |
509 | 277 ngx_http_variable_t *v; |
278 ngx_http_core_main_conf_t *cmcf; | |
279 | |
280 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
281 | |
611 | 282 key = cmcf->variables_keys->keys.elts; |
283 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
284 if (name->len != key[i].key.len | |
285 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 286 { |
287 continue; | |
288 } | |
289 | |
611 | 290 v = key[i].value; |
291 | |
1565 | 292 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
294 "the duplicate \"%V\" variable", name); | |
295 return NULL; | |
296 } | |
297 | |
611 | 298 return v; |
509 | 299 } |
300 | |
611 | 301 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 302 if (v == NULL) { |
303 return NULL; | |
304 } | |
305 | |
306 v->name.len = name->len; | |
2049 | 307 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 308 if (v->name.data == NULL) { |
309 return NULL; | |
310 } | |
311 | |
2135 | 312 ngx_strlow(v->name.data, name->data, name->len); |
509 | 313 |
637 | 314 v->set_handler = NULL; |
315 v->get_handler = NULL; | |
509 | 316 v->data = 0; |
317 v->flags = flags; | |
533 | 318 v->index = 0; |
509 | 319 |
611 | 320 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
321 | |
322 if (rc == NGX_ERROR) { | |
323 return NULL; | |
324 } | |
325 | |
326 if (rc == NGX_BUSY) { | |
327 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
328 "conflicting variable name \"%V\"", name); | |
329 return NULL; | |
330 } | |
331 | |
509 | 332 return v; |
333 } | |
334 | |
335 | |
336 ngx_int_t | |
337 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 338 { |
501 | 339 ngx_uint_t i; |
340 ngx_http_variable_t *v; | |
499 | 341 ngx_http_core_main_conf_t *cmcf; |
342 | |
343 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
344 | |
501 | 345 v = cmcf->variables.elts; |
346 | |
347 if (v == NULL) { | |
499 | 348 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
2536
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small optimization: " == NGX_ERROR" > " != NGX_OK"
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349 sizeof(ngx_http_variable_t)) |
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350 != NGX_OK) |
499 | 351 { |
509 | 352 return NGX_ERROR; |
499 | 353 } |
501 | 354 |
355 } else { | |
356 for (i = 0; i < cmcf->variables.nelts; i++) { | |
357 if (name->len != v[i].name.len | |
358 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
359 { | |
360 continue; | |
361 } | |
362 | |
509 | 363 return i; |
501 | 364 } |
499 | 365 } |
366 | |
501 | 367 v = ngx_array_push(&cmcf->variables); |
368 if (v == NULL) { | |
509 | 369 return NGX_ERROR; |
499 | 370 } |
371 | |
501 | 372 v->name.len = name->len; |
2049 | 373 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 374 if (v->name.data == NULL) { |
509 | 375 return NGX_ERROR; |
501 | 376 } |
499 | 377 |
2135 | 378 ngx_strlow(v->name.data, name->data, name->len); |
501 | 379 |
637 | 380 v->set_handler = NULL; |
381 v->get_handler = NULL; | |
501 | 382 v->data = 0; |
509 | 383 v->flags = 0; |
533 | 384 v->index = cmcf->variables.nelts - 1; |
501 | 385 |
509 | 386 return cmcf->variables.nelts - 1; |
499 | 387 } |
388 | |
389 | |
390 ngx_http_variable_value_t * | |
391 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
392 { | |
501 | 393 ngx_http_variable_t *v; |
499 | 394 ngx_http_core_main_conf_t *cmcf; |
395 | |
396 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
397 | |
553 | 398 if (cmcf->variables.nelts <= index) { |
499 | 399 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
400 "unknown variable index: %d", index); | |
401 return NULL; | |
402 } | |
403 | |
573 | 404 if (r->variables[index].not_found || r->variables[index].valid) { |
405 return &r->variables[index]; | |
501 | 406 } |
499 | 407 |
501 | 408 v = cmcf->variables.elts; |
499 | 409 |
637 | 410 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
411 == NGX_OK) | |
412 { | |
1565 | 413 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
414 r->variables[index].no_cacheable = 1; | |
499 | 415 } |
573 | 416 |
417 return &r->variables[index]; | |
499 | 418 } |
419 | |
657 | 420 r->variables[index].valid = 0; |
421 r->variables[index].not_found = 1; | |
422 | |
798 | 423 return NULL; |
573 | 424 } |
425 | |
426 | |
427 ngx_http_variable_value_t * | |
428 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
429 { | |
1150 | 430 ngx_http_variable_value_t *v; |
573 | 431 |
432 v = &r->variables[index]; | |
433 | |
434 if (v->valid) { | |
1565 | 435 if (!v->no_cacheable) { |
573 | 436 return v; |
437 } | |
438 | |
439 v->valid = 0; | |
440 v->not_found = 0; | |
509 | 441 } |
501 | 442 |
573 | 443 return ngx_http_get_indexed_variable(r, index); |
499 | 444 } |
445 | |
446 | |
447 ngx_http_variable_value_t * | |
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448 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
499 | 449 { |
501 | 450 ngx_http_variable_t *v; |
573 | 451 ngx_http_variable_value_t *vv; |
499 | 452 ngx_http_core_main_conf_t *cmcf; |
453 | |
454 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
455 | |
611 | 456 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 457 |
611 | 458 if (v) { |
459 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
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460 return ngx_http_get_flushed_variable(r, v->index); |
519 | 461 |
462 } else { | |
499 | 463 |
573 | 464 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 465 |
637 | 466 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 467 return vv; |
468 } | |
509 | 469 |
573 | 470 return NULL; |
471 } | |
509 | 472 } |
473 | |
474 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
475 if (vv == NULL) { | |
476 return NULL; | |
477 } | |
478 | |
573 | 479 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 480 |
577 | 481 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
482 == NGX_OK) | |
483 { | |
484 return vv; | |
485 } | |
486 | |
487 return NULL; | |
488 } | |
489 | |
490 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
491 | |
492 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
493 == NGX_OK) | |
573 | 494 { |
495 return vv; | |
496 } | |
499 | 497 |
498 return NULL; | |
499 } | |
500 | |
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501 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
1162 | 502 |
503 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
504 == NGX_OK) | |
505 { | |
506 return vv; | |
507 } | |
508 | |
509 return NULL; | |
510 } | |
511 | |
2307 | 512 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
513 | |
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514 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
2307 | 515 return vv; |
516 } | |
517 | |
518 return NULL; | |
519 } | |
520 | |
2137 | 521 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
522 | |
523 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
524 return vv; | |
525 } | |
526 | |
527 return NULL; | |
528 } | |
529 | |
635 | 530 vv->not_found = 1; |
573 | 531 |
501 | 532 return vv; |
499 | 533 } |
534 | |
535 | |
573 | 536 static ngx_int_t |
537 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
538 uintptr_t data) | |
539 { | |
540 ngx_str_t *s; | |
541 | |
542 s = (ngx_str_t *) ((char *) r + data); | |
543 | |
544 if (s->data) { | |
545 v->len = s->len; | |
546 v->valid = 1; | |
1565 | 547 v->no_cacheable = 0; |
573 | 548 v->not_found = 0; |
549 v->data = s->data; | |
550 | |
551 } else { | |
552 v->not_found = 1; | |
553 } | |
554 | |
555 return NGX_OK; | |
556 } | |
557 | |
558 | |
637 | 559 static void |
1350 | 560 ngx_http_variable_request_set(ngx_http_request_t *r, |
561 ngx_http_variable_value_t *v, uintptr_t data) | |
562 { | |
563 ngx_str_t *s; | |
564 | |
565 s = (ngx_str_t *) ((char *) r + data); | |
566 | |
567 s->len = v->len; | |
568 s->data = v->data; | |
569 } | |
570 | |
571 | |
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572 static ngx_int_t |
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573 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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574 ngx_http_variable_value_t *v, uintptr_t data) |
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575 { |
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576 size_t *sp; |
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577 |
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578 sp = (size_t *) ((char *) r + data); |
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579 |
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580 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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581 if (v->data == NULL) { |
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582 return NGX_ERROR; |
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583 } |
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584 |
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585 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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586 v->valid = 1; |
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587 v->no_cacheable = 0; |
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588 v->not_found = 0; |
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589 |
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590 return NGX_OK; |
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591 } |
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592 |
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593 |
1350 | 594 static void |
637 | 595 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
596 ngx_http_variable_value_t *v, uintptr_t data) | |
597 { | |
598 ssize_t s, *sp; | |
599 ngx_str_t val; | |
600 | |
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601 val.len = v->len; |
637 | 602 val.data = v->data; |
603 | |
604 s = ngx_parse_size(&val); | |
605 | |
606 if (s == NGX_ERROR) { | |
607 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
608 "invalid size \"%V\"", &val); | |
609 return; | |
610 } | |
611 | |
612 sp = (ssize_t *) ((char *) r + data); | |
613 | |
614 *sp = s; | |
615 | |
616 return; | |
617 } | |
618 | |
619 | |
573 | 620 static ngx_int_t |
621 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
622 uintptr_t data) | |
515 | 623 { |
573 | 624 ngx_table_elt_t *h; |
625 | |
626 h = *(ngx_table_elt_t **) ((char *) r + data); | |
627 | |
628 if (h) { | |
629 v->len = h->value.len; | |
630 v->valid = 1; | |
1565 | 631 v->no_cacheable = 0; |
573 | 632 v->not_found = 0; |
633 v->data = h->value.data; | |
634 | |
635 } else { | |
636 v->not_found = 1; | |
637 } | |
638 | |
639 return NGX_OK; | |
640 } | |
641 | |
642 | |
643 static ngx_int_t | |
644 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
645 uintptr_t data) | |
646 { | |
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647 size_t len; |
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648 u_char *p, *end; |
667 | 649 ngx_uint_t i, n; |
573 | 650 ngx_array_t *a; |
651 ngx_table_elt_t **h; | |
515 | 652 |
653 a = (ngx_array_t *) ((char *) r + data); | |
654 | |
667 | 655 n = a->nelts; |
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656 h = a->elts; |
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657 |
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658 len = 0; |
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659 |
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660 for (i = 0; i < n; i++) { |
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661 |
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662 if (h[i]->hash == 0) { |
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663 continue; |
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664 } |
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665 |
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666 len += h[i]->value.len + sizeof("; ") - 1; |
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667 } |
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668 |
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669 if (len == 0) { |
573 | 670 v->not_found = 1; |
671 return NGX_OK; | |
515 | 672 } |
673 | |
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674 len -= sizeof("; ") - 1; |
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675 |
573 | 676 v->valid = 1; |
1565 | 677 v->no_cacheable = 0; |
573 | 678 v->not_found = 0; |
515 | 679 |
667 | 680 if (n == 1) { |
573 | 681 v->len = (*h)->value.len; |
682 v->data = (*h)->value.data; | |
515 | 683 |
573 | 684 return NGX_OK; |
515 | 685 } |
686 | |
2049 | 687 p = ngx_pnalloc(r->pool, len); |
573 | 688 if (p == NULL) { |
689 return NGX_ERROR; | |
690 } | |
691 | |
692 v->len = len; | |
693 v->data = p; | |
515 | 694 |
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695 end = p + len; |
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696 |
515 | 697 for (i = 0; /* void */ ; i++) { |
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698 |
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699 if (h[i]->hash == 0) { |
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700 continue; |
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701 } |
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702 |
573 | 703 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 704 |
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705 if (p == end) { |
515 | 706 break; |
707 } | |
708 | |
709 *p++ = ';'; *p++ = ' '; | |
710 } | |
711 | |
573 | 712 return NGX_OK; |
515 | 713 } |
714 | |
715 | |
573 | 716 static ngx_int_t |
577 | 717 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
718 ngx_http_variable_value_t *v, uintptr_t data) | |
719 { | |
720 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
721 &r->headers_in.headers.part, | |
722 sizeof("http_") - 1); | |
723 } | |
724 | |
725 | |
726 static ngx_int_t | |
727 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 728 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 729 { |
577 | 730 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
731 &r->headers_out.headers.part, | |
732 sizeof("sent_http_") - 1); | |
733 } | |
501 | 734 |
577 | 735 |
1162 | 736 ngx_int_t |
577 | 737 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
738 ngx_list_part_t *part, size_t prefix) | |
739 { | |
573 | 740 u_char ch; |
741 ngx_uint_t i, n; | |
742 ngx_table_elt_t *header; | |
499 | 743 |
744 header = part->elts; | |
745 | |
746 for (i = 0; /* void */ ; i++) { | |
747 | |
748 if (i >= part->nelts) { | |
749 if (part->next == NULL) { | |
750 break; | |
751 } | |
752 | |
753 part = part->next; | |
754 header = part->elts; | |
755 i = 0; | |
756 } | |
757 | |
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|
758 if (header[i].hash == 0) { |
f8881d301d62
Fixed: some of $sent_http_* variables may contain header entries that actually
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|
759 continue; |
f8881d301d62
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|
760 } |
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Fixed: some of $sent_http_* variables may contain header entries that actually
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|
761 |
577 | 762 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 763 ch = header[i].key.data[n]; |
764 | |
509 | 765 if (ch >= 'A' && ch <= 'Z') { |
766 ch |= 0x20; | |
499 | 767 |
768 } else if (ch == '-') { | |
769 ch = '_'; | |
770 } | |
771 | |
577 | 772 if (var->data[n + prefix] != ch) { |
499 | 773 break; |
774 } | |
775 } | |
776 | |
742
75d767d32624
nonexistent $sent_http_content has value of $sent_http_content_length or so
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|
777 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 778 v->len = header[i].value.len; |
779 v->valid = 1; | |
1565 | 780 v->no_cacheable = 0; |
573 | 781 v->not_found = 0; |
782 v->data = header[i].value.data; | |
499 | 783 |
573 | 784 return NGX_OK; |
499 | 785 } |
786 } | |
787 | |
573 | 788 v->not_found = 1; |
789 | |
790 return NGX_OK; | |
509 | 791 } |
792 | |
793 | |
573 | 794 static ngx_int_t |
3144
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allow to log invalid $request in access_log always,
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|
795 ngx_http_variable_request_line(ngx_http_request_t *r, |
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796 ngx_http_variable_value_t *v, uintptr_t data) |
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|
797 { |
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798 u_char *p, *s; |
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|
799 |
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|
800 s = r->request_line.data; |
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801 |
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|
802 if (s == NULL) { |
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803 s = r->request_start; |
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|
804 |
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|
805 if (s == NULL) { |
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|
806 v->not_found = 1; |
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|
807 return NGX_OK; |
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|
808 } |
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|
809 |
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810 for (p = s; p < r->header_in->last; p++) { |
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|
811 if (*p == CR || *p == LF) { |
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parents:
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diff
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|
812 break; |
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diff
changeset
|
813 } |
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|
814 } |
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|
815 |
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|
816 r->request_line.len = p - s; |
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|
817 r->request_line.data = s; |
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818 } |
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|
819 |
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|
820 v->len = r->request_line.len; |
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821 v->valid = 1; |
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822 v->no_cacheable = 0; |
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|
823 v->not_found = 0; |
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|
824 v->data = s; |
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|
825 |
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|
826 return NGX_OK; |
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|
827 } |
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|
828 |
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|
829 |
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|
830 static ngx_int_t |
2307 | 831 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
832 uintptr_t data) | |
833 { | |
834 ngx_str_t *name = (ngx_str_t *) data; | |
835 | |
836 ngx_str_t cookie, s; | |
837 | |
838 s.len = name->len - (sizeof("cookie_") - 1); | |
839 s.data = name->data + sizeof("cookie_") - 1; | |
840 | |
841 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
842 == NGX_DECLINED) | |
843 { | |
844 v->not_found = 1; | |
845 return NGX_OK; | |
846 } | |
847 | |
848 v->len = cookie.len; | |
849 v->valid = 1; | |
850 v->no_cacheable = 0; | |
851 v->not_found = 0; | |
852 v->data = cookie.data; | |
853 | |
854 return NGX_OK; | |
855 } | |
856 | |
857 | |
858 static ngx_int_t | |
2137 | 859 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
860 uintptr_t data) | |
861 { | |
862 ngx_str_t *name = (ngx_str_t *) data; | |
863 | |
2415 | 864 u_char *arg; |
865 size_t len; | |
866 ngx_str_t value; | |
2137 | 867 |
2415 | 868 len = name->len - (sizeof("arg_") - 1); |
869 arg = name->data + sizeof("arg_") - 1; | |
870 | |
871 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
2137 | 872 v->not_found = 1; |
873 return NGX_OK; | |
874 } | |
875 | |
2415 | 876 v->data = value.data; |
877 v->len = value.len; | |
878 v->valid = 1; | |
879 v->no_cacheable = 0; | |
880 v->not_found = 0; | |
2137 | 881 |
882 return NGX_OK; | |
883 } | |
884 | |
885 | |
886 static ngx_int_t | |
573 | 887 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
888 uintptr_t data) | |
509 | 889 { |
1811 | 890 ngx_http_core_srv_conf_t *cscf; |
891 | |
2007
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|
892 if (r->headers_in.server.len) { |
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|
893 v->len = r->headers_in.server.len; |
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1811
diff
changeset
|
894 v->data = r->headers_in.server.data; |
928
a6fe6bedb9e3
fix segfault when $host is used and
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864
diff
changeset
|
895 |
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
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864
diff
changeset
|
896 } else { |
2007
b9de93d804ea
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parents:
1811
diff
changeset
|
897 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
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parents:
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diff
changeset
|
898 |
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*) host in request line has priority
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parents:
1811
diff
changeset
|
899 v->len = cscf->server_name.len; |
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1811
diff
changeset
|
900 v->data = cscf->server_name.data; |
509 | 901 } |
902 | |
573 | 903 v->valid = 1; |
1565 | 904 v->no_cacheable = 0; |
573 | 905 v->not_found = 0; |
509 | 906 |
573 | 907 return NGX_OK; |
499 | 908 } |
909 | |
910 | |
573 | 911 static ngx_int_t |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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982
diff
changeset
|
912 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 913 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 914 { |
2512
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|
915 struct sockaddr_in *sin; |
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|
916 #if (NGX_HAVE_INET6) |
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|
917 struct sockaddr_in6 *sin6; |
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|
918 #endif |
982 | 919 |
2512
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diff
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|
920 switch (r->connection->sockaddr->sa_family) { |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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982
diff
changeset
|
921 |
2512
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922 #if (NGX_HAVE_INET6) |
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|
923 case AF_INET6: |
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|
924 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
982 | 925 |
2512
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|
926 v->len = sizeof(struct in6_addr); |
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|
927 v->valid = 1; |
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|
928 v->no_cacheable = 0; |
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diff
changeset
|
929 v->not_found = 0; |
3268
c6a40c815d45
use sin6_addr.s6_addr instead of "(u_char *) & .sin6_addr"
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parents:
3144
diff
changeset
|
930 v->data = sin6->sin6_addr.s6_addr; |
2512
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|
931 |
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diff
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|
932 break; |
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diff
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|
933 #endif |
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changeset
|
934 |
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changeset
|
935 default: /* AF_INET */ |
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changeset
|
936 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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|
937 |
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|
938 v->len = sizeof(in_addr_t); |
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changeset
|
939 v->valid = 1; |
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|
940 v->no_cacheable = 0; |
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|
941 v->not_found = 0; |
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|
942 v->data = (u_char *) &sin->sin_addr; |
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|
943 |
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|
944 break; |
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|
945 } |
982 | 946 |
983
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diff
changeset
|
947 return NGX_OK; |
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diff
changeset
|
948 } |
982 | 949 |
950 | |
983
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diff
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|
951 static ngx_int_t |
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982
diff
changeset
|
952 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
7a8ca436d611
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982
diff
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|
953 ngx_http_variable_value_t *v, uintptr_t data) |
7a8ca436d611
ngx_http_variable_binary_remote_addr()
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diff
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|
954 { |
7a8ca436d611
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diff
changeset
|
955 v->len = r->connection->addr_text.len; |
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diff
changeset
|
956 v->valid = 1; |
1565 | 957 v->no_cacheable = 0; |
983
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diff
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|
958 v->not_found = 0; |
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982
diff
changeset
|
959 v->data = r->connection->addr_text.data; |
499 | 960 |
573 | 961 return NGX_OK; |
499 | 962 } |
963 | |
964 | |
573 | 965 static ngx_int_t |
966 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
967 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 968 { |
2512
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|
969 ngx_uint_t port; |
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|
970 struct sockaddr_in *sin; |
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971 #if (NGX_HAVE_INET6) |
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972 struct sockaddr_in6 *sin6; |
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|
973 #endif |
509 | 974 |
573 | 975 v->len = 0; |
976 v->valid = 1; | |
1565 | 977 v->no_cacheable = 0; |
573 | 978 v->not_found = 0; |
509 | 979 |
2049 | 980 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 981 if (v->data == NULL) { |
982 return NGX_ERROR; | |
509 | 983 } |
984 | |
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985 switch (r->connection->sockaddr->sa_family) { |
577 | 986 |
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987 #if (NGX_HAVE_INET6) |
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988 case AF_INET6: |
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989 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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990 port = ntohs(sin6->sin6_port); |
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991 break; |
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992 #endif |
577 | 993 |
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994 default: /* AF_INET */ |
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995 sin = (struct sockaddr_in *) r->connection->sockaddr; |
509 | 996 port = ntohs(sin->sin_port); |
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997 break; |
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998 } |
577 | 999 |
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1000 if (port > 0 && port < 65536) { |
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1001 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 1002 } |
1003 | |
573 | 1004 return NGX_OK; |
509 | 1005 } |
1006 | |
1007 | |
573 | 1008 static ngx_int_t |
1009 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
1010 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1011 { |
1805 | 1012 ngx_str_t s; |
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1013 u_char addr[NGX_SOCKADDR_STRLEN]; |
499 | 1014 |
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1015 s.len = NGX_SOCKADDR_STRLEN; |
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1016 s.data = addr; |
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1017 |
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1018 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1019 return NGX_ERROR; |
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1020 } |
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1021 |
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1022 s.data = ngx_pnalloc(r->pool, s.len); |
1805 | 1023 if (s.data == NULL) { |
573 | 1024 return NGX_ERROR; |
509 | 1025 } |
1026 | |
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1027 ngx_memcpy(s.data, addr, s.len); |
509 | 1028 |
1805 | 1029 v->len = s.len; |
573 | 1030 v->valid = 1; |
1565 | 1031 v->no_cacheable = 0; |
573 | 1032 v->not_found = 0; |
1805 | 1033 v->data = s.data; |
499 | 1034 |
573 | 1035 return NGX_OK; |
499 | 1036 } |
1037 | |
1038 | |
573 | 1039 static ngx_int_t |
1040 ngx_http_variable_server_port(ngx_http_request_t *r, | |
1041 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1042 { |
2533 | 1043 ngx_uint_t port; |
1044 struct sockaddr_in *sin; | |
1045 #if (NGX_HAVE_INET6) | |
1046 struct sockaddr_in6 *sin6; | |
1047 #endif | |
1048 | |
1049 v->len = 0; | |
573 | 1050 v->valid = 1; |
1565 | 1051 v->no_cacheable = 0; |
573 | 1052 v->not_found = 0; |
2533 | 1053 |
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1054 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
2533 | 1055 return NGX_ERROR; |
1056 } | |
1057 | |
1058 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
1059 if (v->data == NULL) { | |
1060 return NGX_ERROR; | |
1061 } | |
1062 | |
1063 switch (r->connection->local_sockaddr->sa_family) { | |
1064 | |
1065 #if (NGX_HAVE_INET6) | |
1066 case AF_INET6: | |
1067 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
1068 port = ntohs(sin6->sin6_port); | |
1069 break; | |
1070 #endif | |
1071 | |
1072 default: /* AF_INET */ | |
1073 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
1074 port = ntohs(sin->sin_port); | |
1075 break; | |
1076 } | |
1077 | |
1078 if (port > 0 && port < 65536) { | |
1079 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
1080 } | |
509 | 1081 |
573 | 1082 return NGX_OK; |
509 | 1083 } |
1084 | |
1085 | |
573 | 1086 static ngx_int_t |
731 | 1087 ngx_http_variable_scheme(ngx_http_request_t *r, |
1088 ngx_http_variable_value_t *v, uintptr_t data) | |
1089 { | |
1090 #if (NGX_HTTP_SSL) | |
1091 | |
1092 if (r->connection->ssl) { | |
1093 v->len = sizeof("https") - 1; | |
1094 v->valid = 1; | |
1565 | 1095 v->no_cacheable = 0; |
731 | 1096 v->not_found = 0; |
732 | 1097 v->data = (u_char *) "https"; |
731 | 1098 |
1099 return NGX_OK; | |
1100 } | |
1101 | |
1102 #endif | |
1103 | |
1104 v->len = sizeof("http") - 1; | |
1105 v->valid = 1; | |
1565 | 1106 v->no_cacheable = 0; |
731 | 1107 v->not_found = 0; |
732 | 1108 v->data = (u_char *) "http"; |
731 | 1109 |
1110 return NGX_OK; | |
1111 } | |
1112 | |
1113 | |
1114 static ngx_int_t | |
4332
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1115 ngx_http_variable_https(ngx_http_request_t *r, |
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1116 ngx_http_variable_value_t *v, uintptr_t data) |
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1117 { |
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1118 #if (NGX_HTTP_SSL) |
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1119 |
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1120 if (r->connection->ssl) { |
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1121 v->len = sizeof("on") - 1; |
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1122 v->valid = 1; |
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1123 v->no_cacheable = 0; |
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1124 v->not_found = 0; |
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1125 v->data = (u_char *) "on"; |
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1126 |
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1127 return NGX_OK; |
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1128 } |
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1129 |
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1130 #endif |
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1131 |
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1132 *v = ngx_http_variable_null_value; |
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1133 |
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1134 return NGX_OK; |
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1135 } |
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1136 |
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1137 |
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1138 static ngx_int_t |
1351 | 1139 ngx_http_variable_is_args(ngx_http_request_t *r, |
1140 ngx_http_variable_value_t *v, uintptr_t data) | |
1141 { | |
1142 v->valid = 1; | |
1565 | 1143 v->no_cacheable = 0; |
1351 | 1144 v->not_found = 0; |
1145 | |
1146 if (r->args.len == 0) { | |
1147 v->len = 0; | |
1148 v->data = NULL; | |
1149 return NGX_OK; | |
1150 } | |
1151 | |
1152 v->len = 1; | |
1153 v->data = (u_char *) "?"; | |
1154 | |
1155 return NGX_OK; | |
1156 } | |
1157 | |
1158 | |
1159 static ngx_int_t | |
573 | 1160 ngx_http_variable_document_root(ngx_http_request_t *r, |
1161 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1162 { |
671 | 1163 ngx_str_t path; |
573 | 1164 ngx_http_core_loc_conf_t *clcf; |
509 | 1165 |
1166 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1167 | |
671 | 1168 if (clcf->root_lengths == NULL) { |
1169 v->len = clcf->root.len; | |
1170 v->valid = 1; | |
1565 | 1171 v->no_cacheable = 0; |
671 | 1172 v->not_found = 0; |
1173 v->data = clcf->root.data; | |
1174 | |
1175 } else { | |
1176 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1177 clcf->root_values->elts) | |
1178 == NULL) | |
1179 { | |
1180 return NGX_ERROR; | |
1181 } | |
1182 | |
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1183 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
671 | 1184 return NGX_ERROR; |
1185 } | |
1186 | |
1187 v->len = path.len; | |
1188 v->valid = 1; | |
1565 | 1189 v->no_cacheable = 0; |
671 | 1190 v->not_found = 0; |
1191 v->data = path.data; | |
1192 } | |
509 | 1193 |
573 | 1194 return NGX_OK; |
509 | 1195 } |
1196 | |
1197 | |
573 | 1198 static ngx_int_t |
2259 | 1199 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1200 ngx_http_variable_value_t *v, uintptr_t data) | |
1201 { | |
1202 size_t len; | |
1203 ngx_str_t path; | |
1204 ngx_http_core_loc_conf_t *clcf; | |
1205 u_char real[NGX_MAX_PATH]; | |
1206 | |
1207 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1208 | |
1209 if (clcf->root_lengths == NULL) { | |
1210 path = clcf->root; | |
1211 | |
1212 } else { | |
1213 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1214 clcf->root_values->elts) | |
1215 == NULL) | |
1216 { | |
1217 return NGX_ERROR; | |
1218 } | |
1219 | |
1220 path.data[path.len - 1] = '\0'; | |
1221 | |
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1222 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
2259 | 1223 return NGX_ERROR; |
1224 } | |
1225 } | |
1226 | |
1227 if (ngx_realpath(path.data, real) == NULL) { | |
1228 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
1229 ngx_realpath_n " \"%s\" failed", path.data); | |
1230 return NGX_ERROR; | |
1231 } | |
1232 | |
1233 len = ngx_strlen(real); | |
1234 | |
1235 v->data = ngx_pnalloc(r->pool, len); | |
1236 if (v->data == NULL) { | |
1237 return NGX_ERROR; | |
1238 } | |
1239 | |
1240 v->len = len; | |
1241 v->valid = 1; | |
1242 v->no_cacheable = 0; | |
1243 v->not_found = 0; | |
1244 | |
1245 ngx_memcpy(v->data, real, len); | |
1246 | |
1247 return NGX_OK; | |
1248 } | |
1249 | |
1250 | |
1251 static ngx_int_t | |
573 | 1252 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1253 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1254 { |
773 | 1255 size_t root; |
573 | 1256 ngx_str_t path; |
499 | 1257 |
773 | 1258 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1259 return NGX_ERROR; |
557 | 1260 } |
509 | 1261 |
557 | 1262 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1263 |
573 | 1264 v->len = path.len - 1; |
1265 v->valid = 1; | |
1565 | 1266 v->no_cacheable = 0; |
573 | 1267 v->not_found = 0; |
1268 v->data = path.data; | |
499 | 1269 |
573 | 1270 return NGX_OK; |
499 | 1271 } |
1272 | |
1273 | |
573 | 1274 static ngx_int_t |
1811 | 1275 ngx_http_variable_server_name(ngx_http_request_t *r, |
1276 ngx_http_variable_value_t *v, uintptr_t data) | |
1277 { | |
1278 ngx_http_core_srv_conf_t *cscf; | |
1279 | |
1280 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1281 | |
1282 v->len = cscf->server_name.len; | |
1283 v->valid = 1; | |
1284 v->no_cacheable = 0; | |
1285 v->not_found = 0; | |
1286 v->data = cscf->server_name.data; | |
1287 | |
1288 return NGX_OK; | |
1289 } | |
1290 | |
1291 | |
1292 static ngx_int_t | |
573 | 1293 ngx_http_variable_request_method(ngx_http_request_t *r, |
1294 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1295 { |
647 | 1296 if (r->main->method_name.data) { |
1297 v->len = r->main->method_name.len; | |
573 | 1298 v->valid = 1; |
1565 | 1299 v->no_cacheable = 0; |
573 | 1300 v->not_found = 0; |
647 | 1301 v->data = r->main->method_name.data; |
573 | 1302 |
1303 } else { | |
1304 v->not_found = 1; | |
561 | 1305 } |
1306 | |
573 | 1307 return NGX_OK; |
561 | 1308 } |
1309 | |
1310 | |
573 | 1311 static ngx_int_t |
1312 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1313 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1314 { |
573 | 1315 ngx_int_t rc; |
539 | 1316 |
1317 rc = ngx_http_auth_basic_user(r); | |
1318 | |
1319 if (rc == NGX_DECLINED) { | |
573 | 1320 v->not_found = 1; |
1321 return NGX_OK; | |
539 | 1322 } |
1323 | |
1324 if (rc == NGX_ERROR) { | |
573 | 1325 return NGX_ERROR; |
539 | 1326 } |
1327 | |
573 | 1328 v->len = r->headers_in.user.len; |
1329 v->valid = 1; | |
1565 | 1330 v->no_cacheable = 0; |
573 | 1331 v->not_found = 0; |
1332 v->data = r->headers_in.user.data; | |
571 | 1333 |
573 | 1334 return NGX_OK; |
571 | 1335 } |
1336 | |
1337 | |
611 | 1338 static ngx_int_t |
1339 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, | |
1340 ngx_http_variable_value_t *v, uintptr_t data) | |
1341 { | |
1342 off_t sent; | |
1343 u_char *p; | |
1344 | |
1345 sent = r->connection->sent - r->header_size; | |
1346 | |
1347 if (sent < 0) { | |
1348 sent = 0; | |
1349 } | |
1350 | |
2049 | 1351 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1352 if (p == NULL) { |
1353 return NGX_ERROR; | |
1354 } | |
1355 | |
1356 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1357 v->valid = 1; | |
1565 | 1358 v->no_cacheable = 0; |
611 | 1359 v->not_found = 0; |
1360 v->data = p; | |
1361 | |
1362 return NGX_OK; | |
1363 } | |
1364 | |
1365 | |
629 | 1366 static ngx_int_t |
641 | 1367 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1368 ngx_http_variable_value_t *v, uintptr_t data) | |
1369 { | |
1370 if (r->headers_out.content_type.len) { | |
1371 v->len = r->headers_out.content_type.len; | |
1372 v->valid = 1; | |
1565 | 1373 v->no_cacheable = 0; |
641 | 1374 v->not_found = 0; |
1375 v->data = r->headers_out.content_type.data; | |
1376 | |
1377 } else { | |
1378 v->not_found = 1; | |
1379 } | |
1380 | |
1381 return NGX_OK; | |
1382 } | |
1383 | |
1384 | |
1385 static ngx_int_t | |
1386 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1387 ngx_http_variable_value_t *v, uintptr_t data) | |
1388 { | |
1389 u_char *p; | |
1390 | |
1391 if (r->headers_out.content_length) { | |
1392 v->len = r->headers_out.content_length->value.len; | |
1393 v->valid = 1; | |
1565 | 1394 v->no_cacheable = 0; |
641 | 1395 v->not_found = 0; |
1396 v->data = r->headers_out.content_length->value.data; | |
1397 | |
1398 return NGX_OK; | |
1399 } | |
1400 | |
1401 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1402 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1403 if (p == NULL) { |
1404 return NGX_ERROR; | |
1405 } | |
1406 | |
1407 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1408 v->valid = 1; | |
1565 | 1409 v->no_cacheable = 0; |
641 | 1410 v->not_found = 0; |
1411 v->data = p; | |
1412 | |
1413 return NGX_OK; | |
1414 } | |
1415 | |
1416 v->not_found = 1; | |
1417 | |
1418 return NGX_OK; | |
1419 } | |
1420 | |
1421 | |
1422 static ngx_int_t | |
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1423 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1424 ngx_http_variable_value_t *v, uintptr_t data) |
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1425 { |
2539
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1426 ngx_str_t name; |
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1427 |
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1428 if (r->headers_out.location) { |
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1429 v->len = r->headers_out.location->value.len; |
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1430 v->valid = 1; |
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1431 v->no_cacheable = 0; |
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1432 v->not_found = 0; |
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1433 v->data = r->headers_out.location->value.data; |
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1434 |
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1435 return NGX_OK; |
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1436 } |
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1437 |
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1438 ngx_str_set(&name, "sent_http_location"); |
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1439 |
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1440 return ngx_http_variable_unknown_header(v, &name, |
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1441 &r->headers_out.headers.part, |
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1442 sizeof("sent_http_") - 1); |
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1443 } |
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1444 |
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1445 |
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1446 static ngx_int_t |
641 | 1447 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
1448 ngx_http_variable_value_t *v, uintptr_t data) | |
1449 { | |
1450 u_char *p; | |
1451 | |
1452 if (r->headers_out.last_modified) { | |
1453 v->len = r->headers_out.last_modified->value.len; | |
1454 v->valid = 1; | |
1565 | 1455 v->no_cacheable = 0; |
641 | 1456 v->not_found = 0; |
1457 v->data = r->headers_out.last_modified->value.data; | |
1458 | |
1459 return NGX_OK; | |
1460 } | |
1461 | |
1462 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1463 p = ngx_pnalloc(r->pool, |
641 | 1464 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1465 if (p == NULL) { | |
1466 return NGX_ERROR; | |
1467 } | |
1468 | |
1469 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1470 v->valid = 1; | |
1565 | 1471 v->no_cacheable = 0; |
641 | 1472 v->not_found = 0; |
1473 v->data = p; | |
1474 | |
1475 return NGX_OK; | |
1476 } | |
1477 | |
1478 v->not_found = 1; | |
1479 | |
1480 return NGX_OK; | |
1481 } | |
1482 | |
1483 | |
1484 static ngx_int_t | |
1485 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1486 ngx_http_variable_value_t *v, uintptr_t data) | |
1487 { | |
1488 size_t len; | |
1489 char *p; | |
1490 | |
1491 if (r->keepalive) { | |
1492 len = sizeof("keep-alive") - 1; | |
1493 p = "keep-alive"; | |
1494 | |
1495 } else { | |
1496 len = sizeof("close") - 1; | |
1497 p = "close"; | |
1498 } | |
1499 | |
1500 v->len = len; | |
1501 v->valid = 1; | |
1565 | 1502 v->no_cacheable = 0; |
641 | 1503 v->not_found = 0; |
1504 v->data = (u_char *) p; | |
1505 | |
1506 return NGX_OK; | |
1507 } | |
1508 | |
1509 | |
1510 static ngx_int_t | |
1511 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1512 ngx_http_variable_value_t *v, uintptr_t data) | |
1513 { | |
1514 u_char *p; | |
1515 ngx_http_core_loc_conf_t *clcf; | |
1516 | |
1517 if (r->keepalive) { | |
1518 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1519 | |
1520 if (clcf->keepalive_header) { | |
1521 | |
2049 | 1522 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1523 if (p == NULL) { |
1524 return NGX_ERROR; | |
1525 } | |
1526 | |
1527 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1528 v->valid = 1; | |
1565 | 1529 v->no_cacheable = 0; |
641 | 1530 v->not_found = 0; |
1531 v->data = p; | |
1532 | |
1533 return NGX_OK; | |
1534 } | |
1535 } | |
1536 | |
1537 v->not_found = 1; | |
1538 | |
1539 return NGX_OK; | |
1540 } | |
1541 | |
1542 | |
1543 static ngx_int_t | |
1544 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1545 ngx_http_variable_value_t *v, uintptr_t data) | |
1546 { | |
1547 if (r->chunked) { | |
1548 v->len = sizeof("chunked") - 1; | |
1549 v->valid = 1; | |
1565 | 1550 v->no_cacheable = 0; |
641 | 1551 v->not_found = 0; |
1552 v->data = (u_char *) "chunked"; | |
1553 | |
1554 } else { | |
1555 v->not_found = 1; | |
1556 } | |
1557 | |
1558 return NGX_OK; | |
1559 } | |
1560 | |
1561 | |
1562 static ngx_int_t | |
629 | 1563 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1564 ngx_http_variable_value_t *v, uintptr_t data) | |
1565 { | |
1566 if (r->request_complete) { | |
1567 v->len = 2; | |
1568 v->valid = 1; | |
1565 | 1569 v->no_cacheable = 0; |
629 | 1570 v->not_found = 0; |
1571 v->data = (u_char *) "OK"; | |
1572 | |
1573 return NGX_OK; | |
1574 } | |
1575 | |
1576 v->len = 0; | |
1577 v->valid = 1; | |
1565 | 1578 v->no_cacheable = 0; |
629 | 1579 v->not_found = 0; |
1580 v->data = (u_char *) ""; | |
1581 | |
1582 return NGX_OK; | |
1583 } | |
1584 | |
1585 | |
759 | 1586 static ngx_int_t |
2844 | 1587 ngx_http_variable_request_body(ngx_http_request_t *r, |
1588 ngx_http_variable_value_t *v, uintptr_t data) | |
1589 { | |
1590 u_char *p; | |
1591 size_t len; | |
1592 ngx_buf_t *buf, *next; | |
1593 ngx_chain_t *cl; | |
1594 | |
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1595 if (r->request_body == NULL |
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1596 || r->request_body->bufs == NULL |
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1597 || r->request_body->temp_file) |
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1598 { |
2844 | 1599 v->not_found = 1; |
1600 | |
1601 return NGX_OK; | |
1602 } | |
1603 | |
1604 cl = r->request_body->bufs; | |
1605 buf = cl->buf; | |
1606 | |
1607 if (cl->next == NULL) { | |
1608 v->len = buf->last - buf->pos; | |
1609 v->valid = 1; | |
1610 v->no_cacheable = 0; | |
1611 v->not_found = 0; | |
1612 v->data = buf->pos; | |
1613 | |
1614 return NGX_OK; | |
1615 } | |
1616 | |
1617 next = cl->next->buf; | |
1618 len = (buf->last - buf->pos) + (next->last - next->pos); | |
1619 | |
1620 p = ngx_pnalloc(r->pool, len); | |
1621 if (p == NULL) { | |
1622 return NGX_ERROR; | |
1623 } | |
1624 | |
1625 v->data = p; | |
1626 | |
1627 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); | |
1628 ngx_memcpy(p, next->pos, next->last - next->pos); | |
1629 | |
1630 v->len = len; | |
1631 v->valid = 1; | |
1632 v->no_cacheable = 0; | |
1633 v->not_found = 0; | |
1634 | |
1635 return NGX_OK; | |
1636 } | |
1637 | |
1638 | |
1639 static ngx_int_t | |
759 | 1640 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
1641 ngx_http_variable_value_t *v, uintptr_t data) | |
1642 { | |
1643 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
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1644 v->not_found = 1; |
759 | 1645 |
1646 return NGX_OK; | |
1647 } | |
1648 | |
1649 v->len = r->request_body->temp_file->file.name.len; | |
1650 v->valid = 1; | |
1565 | 1651 v->no_cacheable = 0; |
759 | 1652 v->not_found = 0; |
1653 v->data = r->request_body->temp_file->file.name.data; | |
1654 | |
1655 return NGX_OK; | |
1656 } | |
1657 | |
1658 | |
1329 | 1659 static ngx_int_t |
1660 ngx_http_variable_nginx_version(ngx_http_request_t *r, | |
1661 ngx_http_variable_value_t *v, uintptr_t data) | |
1662 { | |
1663 v->len = sizeof(NGINX_VERSION) - 1; | |
1664 v->valid = 1; | |
1565 | 1665 v->no_cacheable = 0; |
1329 | 1666 v->not_found = 0; |
1667 v->data = (u_char *) NGINX_VERSION; | |
1668 | |
1669 return NGX_OK; | |
1670 } | |
1671 | |
1672 | |
2011 | 1673 static ngx_int_t |
1674 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1675 ngx_http_variable_value_t *v, uintptr_t data) | |
1676 { | |
1677 v->len = ngx_cycle->hostname.len; | |
1678 v->valid = 1; | |
1679 v->no_cacheable = 0; | |
1680 v->not_found = 0; | |
1681 v->data = ngx_cycle->hostname.data; | |
1682 | |
1683 return NGX_OK; | |
1684 } | |
1685 | |
1686 | |
2249 | 1687 static ngx_int_t |
1688 ngx_http_variable_pid(ngx_http_request_t *r, | |
1689 ngx_http_variable_value_t *v, uintptr_t data) | |
1690 { | |
1691 u_char *p; | |
1692 | |
1693 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1694 if (p == NULL) { | |
1695 return NGX_ERROR; | |
1696 } | |
1697 | |
1698 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1699 v->valid = 1; | |
1700 v->no_cacheable = 0; | |
1701 v->not_found = 0; | |
1702 v->data = p; | |
1703 | |
1704 return NGX_OK; | |
1705 } | |
1706 | |
1707 | |
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1708 void * |
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1709 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
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1710 { |
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1711 void *value; |
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1712 u_char *low; |
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1713 size_t len; |
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1714 ngx_uint_t key; |
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1715 |
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1716 len = match->len; |
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1717 |
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1718 if (len) { |
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1719 low = ngx_pnalloc(r->pool, len); |
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1720 if (low == NULL) { |
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1721 return NULL; |
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1722 } |
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1723 |
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1724 } else { |
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1725 low = NULL; |
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1726 } |
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1727 |
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1728 key = ngx_hash_strlow(low, match->data, len); |
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1729 |
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1730 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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1731 if (value) { |
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1732 return value; |
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1733 } |
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1734 |
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1735 #if (NGX_PCRE) |
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1736 |
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1737 if (len && map->nregex) { |
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1738 ngx_int_t n; |
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1739 ngx_uint_t i; |
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1740 ngx_http_map_regex_t *reg; |
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1741 |
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1742 reg = map->regex; |
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1743 |
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1744 for (i = 0; i < map->nregex; i++) { |
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1745 |
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1746 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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1747 |
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1748 if (n == NGX_OK) { |
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1749 return reg[i].value; |
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1750 } |
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1751 |
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1752 if (n == NGX_DECLINED) { |
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1753 continue; |
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1754 } |
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1755 |
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1756 /* NGX_ERROR */ |
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1757 |
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1758 return NULL; |
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1759 } |
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1760 } |
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1761 |
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1762 #endif |
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1763 |
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1764 return NULL; |
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1765 } |
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1766 |
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1767 |
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1768 #if (NGX_PCRE) |
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1769 |
3325 | 1770 static ngx_int_t |
1771 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
1772 uintptr_t data) | |
1773 { | |
1774 v->not_found = 1; | |
1775 return NGX_OK; | |
1776 } | |
1777 | |
1778 | |
1779 ngx_http_regex_t * | |
1780 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
1781 { | |
1782 u_char *p; | |
1783 size_t size; | |
1784 ngx_str_t name; | |
1785 ngx_uint_t i, n; | |
1786 ngx_http_variable_t *v; | |
1787 ngx_http_regex_t *re; | |
1788 ngx_http_regex_variable_t *rv; | |
1789 ngx_http_core_main_conf_t *cmcf; | |
1790 | |
1791 rc->pool = cf->pool; | |
1792 | |
1793 if (ngx_regex_compile(rc) != NGX_OK) { | |
1794 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
1795 return NULL; | |
1796 } | |
1797 | |
1798 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
1799 if (re == NULL) { | |
1800 return NULL; | |
1801 } | |
1802 | |
1803 re->regex = rc->regex; | |
1804 re->ncaptures = rc->captures; | |
1805 | |
1806 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1807 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
1808 | |
1809 n = (ngx_uint_t) rc->named_captures; | |
1810 | |
1811 if (n == 0) { | |
1812 return re; | |
1813 } | |
1814 | |
1815 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
1816 if (rv == NULL) { | |
1817 return NULL; | |
1818 } | |
1819 | |
1820 re->variables = rv; | |
1821 re->nvariables = n; | |
1822 re->name = rc->pattern; | |
1823 | |
1824 size = rc->name_size; | |
1825 p = rc->names; | |
1826 | |
1827 for (i = 0; i < n; i++) { | |
1828 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
1829 | |
1830 name.data = &p[2]; | |
1831 name.len = ngx_strlen(name.data); | |
1832 | |
1833 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
1834 if (v == NULL) { | |
1835 return NULL; | |
1836 } | |
1837 | |
1838 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
1839 if (rv[i].index == NGX_ERROR) { | |
1840 return NULL; | |
1841 } | |
1842 | |
1843 v->get_handler = ngx_http_variable_not_found; | |
1844 | |
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1845 p += size; |
3325 | 1846 } |
1847 | |
1848 return re; | |
1849 } | |
1850 | |
1851 | |
1852 ngx_int_t | |
1853 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
1854 { | |
1855 ngx_int_t rc, index; | |
1856 ngx_uint_t i, n, len; | |
1857 ngx_http_variable_value_t *vv; | |
1858 ngx_http_core_main_conf_t *cmcf; | |
1859 | |
1860 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
1861 | |
1862 if (re->ncaptures) { | |
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1863 len = cmcf->ncaptures; |
3325 | 1864 |
1865 if (r->captures == NULL) { | |
1866 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
1867 if (r->captures == NULL) { | |
1868 return NGX_ERROR; | |
1869 } | |
1870 } | |
1871 | |
1872 } else { | |
1873 len = 0; | |
1874 } | |
1875 | |
1876 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
1877 | |
1878 if (rc == NGX_REGEX_NO_MATCHED) { | |
1879 return NGX_DECLINED; | |
1880 } | |
1881 | |
1882 if (rc < 0) { | |
1883 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
1884 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
1885 rc, s, &re->name); | |
1886 return NGX_ERROR; | |
1887 } | |
1888 | |
1889 for (i = 0; i < re->nvariables; i++) { | |
1890 | |
1891 n = re->variables[i].capture; | |
1892 index = re->variables[i].index; | |
1893 vv = &r->variables[index]; | |
1894 | |
1895 vv->len = r->captures[n + 1] - r->captures[n]; | |
1896 vv->valid = 1; | |
1897 vv->no_cacheable = 0; | |
1898 vv->not_found = 0; | |
1899 vv->data = &s->data[r->captures[n]]; | |
1900 | |
1901 #if (NGX_DEBUG) | |
1902 { | |
1903 ngx_http_variable_t *v; | |
1904 | |
1905 v = cmcf->variables.elts; | |
1906 | |
1907 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
1908 "http regex set $%V to \"%*s\"", | |
1909 &v[index].name, vv->len, vv->data); | |
1910 } | |
1911 #endif | |
1912 } | |
1913 | |
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1914 r->ncaptures = rc * 2; |
3325 | 1915 r->captures_data = s->data; |
1916 | |
1917 return NGX_OK; | |
1918 } | |
1919 | |
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1920 #endif |
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1921 |
3325 | 1922 |
499 | 1923 ngx_int_t |
509 | 1924 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 1925 { |
611 | 1926 ngx_int_t rc; |
1927 ngx_http_variable_t *v; | |
501 | 1928 ngx_http_core_main_conf_t *cmcf; |
499 | 1929 |
509 | 1930 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
1931 | |
611 | 1932 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
1933 sizeof(ngx_hash_keys_arrays_t)); | |
1934 if (cmcf->variables_keys == NULL) { | |
1935 return NGX_ERROR; | |
1936 } | |
1937 | |
1938 cmcf->variables_keys->pool = cf->pool; | |
1939 cmcf->variables_keys->temp_pool = cf->pool; | |
1940 | |
1941 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
1942 != NGX_OK) | |
509 | 1943 { |
499 | 1944 return NGX_ERROR; |
1945 } | |
1946 | |
611 | 1947 for (v = ngx_http_core_variables; v->name.len; v++) { |
1948 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
1949 NGX_HASH_READONLY_KEY); | |
1950 | |
1951 if (rc == NGX_OK) { | |
1952 continue; | |
499 | 1953 } |
1954 | |
611 | 1955 if (rc == NGX_BUSY) { |
1956 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1957 "conflicting variable name \"%V\"", &v->name); | |
1958 } | |
1959 | |
1960 return NGX_ERROR; | |
499 | 1961 } |
1962 | |
1963 return NGX_OK; | |
1964 } | |
509 | 1965 |
1966 | |
1967 ngx_int_t | |
1968 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
1969 { | |
1970 ngx_uint_t i, n; | |
611 | 1971 ngx_hash_key_t *key; |
1972 ngx_hash_init_t hash; | |
509 | 1973 ngx_http_variable_t *v, *av; |
1974 ngx_http_core_main_conf_t *cmcf; | |
1975 | |
1976 /* set the handlers for the indexed http variables */ | |
1977 | |
1978 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
1979 | |
1980 v = cmcf->variables.elts; | |
611 | 1981 key = cmcf->variables_keys->keys.elts; |
509 | 1982 |
1983 for (i = 0; i < cmcf->variables.nelts; i++) { | |
1984 | |
611 | 1985 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 1986 |
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1987 av = key[n].value; |
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1988 |
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1989 if (av->get_handler |
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1990 && v[i].name.len == key[n].key.len |
611 | 1991 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 1992 == 0) |
1993 { | |
637 | 1994 v[i].get_handler = av->get_handler; |
611 | 1995 v[i].data = av->data; |
527 | 1996 |
611 | 1997 av->flags |= NGX_HTTP_VAR_INDEXED; |
1998 v[i].flags = av->flags; | |
509 | 1999 |
611 | 2000 av->index = i; |
533 | 2001 |
509 | 2002 goto next; |
2003 } | |
2004 } | |
2005 | |
2006 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 2007 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 2008 v[i].data = (uintptr_t) &v[i].name; |
2009 | |
2010 continue; | |
2011 } | |
2012 | |
2013 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 2014 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 2015 v[i].data = (uintptr_t) &v[i].name; |
2016 | |
2017 continue; | |
2018 } | |
2019 | |
1162 | 2020 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
2021 v[i].get_handler = ngx_http_upstream_header_variable; | |
2022 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 2023 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 2024 |
2025 continue; | |
2026 } | |
2027 | |
2307 | 2028 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
2029 v[i].get_handler = ngx_http_variable_cookie; | |
2030 v[i].data = (uintptr_t) &v[i].name; | |
2031 | |
2032 continue; | |
2033 } | |
2034 | |
2137 | 2035 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
2036 v[i].get_handler = ngx_http_variable_argument; | |
2037 v[i].data = (uintptr_t) &v[i].name; | |
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2038 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
2137 | 2039 |
2040 continue; | |
2041 } | |
2042 | |
509 | 2043 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
2044 "unknown \"%V\" variable", &v[i].name); | |
2045 | |
2046 return NGX_ERROR; | |
2047 | |
2048 next: | |
2049 continue; | |
2050 } | |
2051 | |
2052 | |
611 | 2053 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
2054 av = key[n].value; | |
2055 | |
2056 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
2057 key[n].key.data = NULL; | |
583 | 2058 } |
2059 } | |
2060 | |
2061 | |
611 | 2062 hash.hash = &cmcf->variables_hash; |
2063 hash.key = ngx_hash_key; | |
2064 hash.max_size = cmcf->variables_hash_max_size; | |
2065 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
2066 hash.name = "variables_hash"; | |
2067 hash.pool = cf->pool; | |
2068 hash.temp_pool = NULL; | |
509 | 2069 |
611 | 2070 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
2071 cmcf->variables_keys->keys.nelts) | |
581 | 2072 != NGX_OK) |
509 | 2073 { |
2074 return NGX_ERROR; | |
2075 } | |
2076 | |
611 | 2077 cmcf->variables_keys = NULL; |
509 | 2078 |
2079 return NGX_OK; | |
2080 } |