Mercurial > hg > nginx-quic
annotate src/http/ngx_http_variables.c @ 4967:a9d60fafaa85
Geo: improved ngx_http_geo_block() code readability.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Fri, 14 Dec 2012 19:35:37 +0000 |
parents | ec7d97006a30 |
children | 8b635cf36ccc |
rev | line source |
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499 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
499 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
1329 | 11 #include <nginx.h> |
499 | 12 |
13 | |
573 | 14 static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, |
15 ngx_http_variable_value_t *v, uintptr_t data); | |
1350 | 16 static void ngx_http_variable_request_set(ngx_http_request_t *r, |
17 ngx_http_variable_value_t *v, uintptr_t data); | |
3282
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18 static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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19 ngx_http_variable_value_t *v, uintptr_t data); |
637 | 20 static void ngx_http_variable_request_set_size(ngx_http_request_t *r, |
21 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 22 static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, |
23 ngx_http_variable_value_t *v, uintptr_t data); | |
24 static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, | |
25 ngx_http_variable_value_t *v, uintptr_t data); | |
577 | 26 |
27 static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, | |
573 | 28 ngx_http_variable_value_t *v, uintptr_t data); |
577 | 29 static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, |
30 ngx_http_variable_value_t *v, uintptr_t data); | |
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31 static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, |
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32 ngx_http_variable_value_t *v, uintptr_t data); |
2359
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$cookie_... variable did not for SSI and perl
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33 static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, |
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$cookie_... variable did not for SSI and perl
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34 ngx_http_variable_value_t *v, uintptr_t data); |
2137 | 35 static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, |
36 ngx_http_variable_value_t *v, uintptr_t data); | |
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Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
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37 #if (NGX_HAVE_TCP_INFO) |
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38 static ngx_int_t ngx_http_variable_tcpinfo(ngx_http_request_t *r, |
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39 ngx_http_variable_value_t *v, uintptr_t data); |
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40 #endif |
577 | 41 |
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42 static ngx_int_t ngx_http_variable_content_length(ngx_http_request_t *r, |
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43 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 44 static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, |
45 ngx_http_variable_value_t *v, uintptr_t data); | |
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ngx_http_variable_binary_remote_addr()
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46 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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47 ngx_http_variable_value_t *v, uintptr_t data); |
573 | 48 static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, |
49 ngx_http_variable_value_t *v, uintptr_t data); | |
50 static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, | |
51 ngx_http_variable_value_t *v, uintptr_t data); | |
52 static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, | |
53 ngx_http_variable_value_t *v, uintptr_t data); | |
54 static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, | |
55 ngx_http_variable_value_t *v, uintptr_t data); | |
731 | 56 static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, |
57 ngx_http_variable_value_t *v, uintptr_t data); | |
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58 static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r, |
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59 ngx_http_variable_value_t *v, uintptr_t data); |
1351 | 60 static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, |
61 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 62 static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, |
63 ngx_http_variable_value_t *v, uintptr_t data); | |
2259 | 64 static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, |
65 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 66 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, |
67 ngx_http_variable_value_t *v, uintptr_t data); | |
1811 | 68 static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, |
69 ngx_http_variable_value_t *v, uintptr_t data); | |
573 | 70 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, |
71 ngx_http_variable_value_t *v, uintptr_t data); | |
72 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, | |
73 ngx_http_variable_value_t *v, uintptr_t data); | |
4886 | 74 static ngx_int_t ngx_http_variable_bytes_sent(ngx_http_request_t *r, |
75 ngx_http_variable_value_t *v, uintptr_t data); | |
611 | 76 static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
77 ngx_http_variable_value_t *v, uintptr_t data); | |
629 | 78 static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, |
79 ngx_http_variable_value_t *v, uintptr_t data); | |
2844 | 80 static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, |
81 ngx_http_variable_value_t *v, uintptr_t data); | |
759 | 82 static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, |
83 ngx_http_variable_value_t *v, uintptr_t data); | |
4913
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Variables $request_time and $msec.
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84 static ngx_int_t ngx_http_variable_request_time(ngx_http_request_t *r, |
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Variables $request_time and $msec.
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85 ngx_http_variable_value_t *v, uintptr_t data); |
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86 static ngx_int_t ngx_http_variable_status(ngx_http_request_t *r, |
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87 ngx_http_variable_value_t *v, uintptr_t data); |
4686 | 88 |
641 | 89 static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
90 ngx_http_variable_value_t *v, uintptr_t data); | |
91 static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
92 ngx_http_variable_value_t *v, uintptr_t data); | |
2485
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93 static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, |
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94 ngx_http_variable_value_t *v, uintptr_t data); |
641 | 95 static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
96 ngx_http_variable_value_t *v, uintptr_t data); | |
97 static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
98 ngx_http_variable_value_t *v, uintptr_t data); | |
99 static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
100 ngx_http_variable_value_t *v, uintptr_t data); | |
101 static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
102 ngx_http_variable_value_t *v, uintptr_t data); | |
103 | |
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Variables $connection and $connection_requests.
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104 static ngx_int_t ngx_http_variable_connection(ngx_http_request_t *r, |
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Variables $connection and $connection_requests.
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105 ngx_http_variable_value_t *v, uintptr_t data); |
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106 static ngx_int_t ngx_http_variable_connection_requests(ngx_http_request_t *r, |
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107 ngx_http_variable_value_t *v, uintptr_t data); |
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108 |
1329 | 109 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, |
110 ngx_http_variable_value_t *v, uintptr_t data); | |
2011 | 111 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, |
112 ngx_http_variable_value_t *v, uintptr_t data); | |
2249 | 113 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, |
114 ngx_http_variable_value_t *v, uintptr_t data); | |
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115 static ngx_int_t ngx_http_variable_msec(ngx_http_request_t *r, |
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116 ngx_http_variable_value_t *v, uintptr_t data); |
499 | 117 |
509 | 118 /* |
119 * TODO: | |
120 * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED | |
121 * REMOTE_HOST (null), REMOTE_IDENT (null), | |
122 * SERVER_SOFTWARE | |
123 * | |
571 | 124 * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) |
509 | 125 */ |
499 | 126 |
641 | 127 /* |
128 * the $http_host, $http_user_agent, $http_referer, $http_via, | |
129 * and $http_x_forwarded_for variables may be handled by generic | |
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Fixed spelling in multiline C comments.
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130 * ngx_http_variable_unknown_header_in(), but for performance reasons |
641 | 131 * they are handled using dedicated entries |
132 */ | |
133 | |
509 | 134 static ngx_http_variable_t ngx_http_core_variables[] = { |
135 | |
637 | 136 { ngx_string("http_host"), NULL, ngx_http_variable_header, |
533 | 137 offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, |
499 | 138 |
637 | 139 { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, |
533 | 140 offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, |
509 | 141 |
637 | 142 { ngx_string("http_referer"), NULL, ngx_http_variable_header, |
533 | 143 offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, |
499 | 144 |
145 #if (NGX_HTTP_GZIP) | |
637 | 146 { ngx_string("http_via"), NULL, ngx_http_variable_header, |
533 | 147 offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, |
499 | 148 #endif |
149 | |
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Fixed compile-time conditionals used to detect if X-Forwarded-For support
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150 #if (NGX_HTTP_X_FORWARDED_FOR) |
637 | 151 { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, |
533 | 152 offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, |
499 | 153 #endif |
154 | |
637 | 155 { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, |
533 | 156 offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, |
515 | 157 |
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158 { ngx_string("content_length"), NULL, ngx_http_variable_content_length, |
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159 0, 0, 0 }, |
509 | 160 |
637 | 161 { ngx_string("content_type"), NULL, ngx_http_variable_header, |
533 | 162 offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, |
509 | 163 |
637 | 164 { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, |
509 | 165 |
982 | 166 { ngx_string("binary_remote_addr"), NULL, |
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167 ngx_http_variable_binary_remote_addr, 0, 0, 0 }, |
982 | 168 |
637 | 169 { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, |
499 | 170 |
637 | 171 { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, |
509 | 172 |
637 | 173 { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, |
509 | 174 |
637 | 175 { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, |
509 | 176 |
637 | 177 { ngx_string("server_protocol"), NULL, ngx_http_variable_request, |
533 | 178 offsetof(ngx_http_request_t, http_protocol), 0, 0 }, |
509 | 179 |
731 | 180 { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, |
181 | |
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182 { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 }, |
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183 |
637 | 184 { ngx_string("request_uri"), NULL, ngx_http_variable_request, |
533 | 185 offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, |
499 | 186 |
637 | 187 { ngx_string("uri"), NULL, ngx_http_variable_request, |
188 offsetof(ngx_http_request_t, uri), | |
1565 | 189 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 190 |
191 { ngx_string("document_uri"), NULL, ngx_http_variable_request, | |
573 | 192 offsetof(ngx_http_request_t, uri), |
1565 | 193 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
573 | 194 |
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195 { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, |
569 | 196 |
637 | 197 { ngx_string("document_root"), NULL, |
1565 | 198 ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 199 |
2259 | 200 { ngx_string("realpath_root"), NULL, |
201 ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, | |
202 | |
637 | 203 { ngx_string("query_string"), NULL, ngx_http_variable_request, |
509 | 204 offsetof(ngx_http_request_t, args), |
1565 | 205 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
499 | 206 |
1350 | 207 { ngx_string("args"), |
208 ngx_http_variable_request_set, | |
209 ngx_http_variable_request, | |
589 | 210 offsetof(ngx_http_request_t, args), |
1565 | 211 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
589 | 212 |
1351 | 213 { ngx_string("is_args"), NULL, ngx_http_variable_is_args, |
1565 | 214 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
1351 | 215 |
637 | 216 { ngx_string("request_filename"), NULL, |
217 ngx_http_variable_request_filename, 0, | |
1565 | 218 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 219 |
1811 | 220 { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, |
509 | 221 |
637 | 222 { ngx_string("request_method"), NULL, |
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223 ngx_http_variable_request_method, 0, |
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224 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
509 | 225 |
637 | 226 { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, |
509 | 227 |
4886 | 228 { ngx_string("bytes_sent"), NULL, ngx_http_variable_bytes_sent, |
229 0, 0, 0 }, | |
230 | |
637 | 231 { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, |
611 | 232 0, 0, 0 }, |
233 | |
637 | 234 { ngx_string("request_completion"), NULL, |
235 ngx_http_variable_request_completion, | |
629 | 236 0, 0, 0 }, |
237 | |
2844 | 238 { ngx_string("request_body"), NULL, |
239 ngx_http_variable_request_body, | |
240 0, 0, 0 }, | |
241 | |
759 | 242 { ngx_string("request_body_file"), NULL, |
243 ngx_http_variable_request_body_file, | |
244 0, 0, 0 }, | |
245 | |
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246 { ngx_string("request_time"), NULL, ngx_http_variable_request_time, |
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247 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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248 |
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249 { ngx_string("status"), NULL, |
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250 ngx_http_variable_status, 0, |
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251 NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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252 |
641 | 253 { ngx_string("sent_http_content_type"), NULL, |
254 ngx_http_variable_sent_content_type, 0, 0, 0 }, | |
255 | |
256 { ngx_string("sent_http_content_length"), NULL, | |
257 ngx_http_variable_sent_content_length, 0, 0, 0 }, | |
258 | |
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259 { ngx_string("sent_http_location"), NULL, |
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260 ngx_http_variable_sent_location, 0, 0, 0 }, |
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261 |
641 | 262 { ngx_string("sent_http_last_modified"), NULL, |
263 ngx_http_variable_sent_last_modified, 0, 0, 0 }, | |
264 | |
265 { ngx_string("sent_http_connection"), NULL, | |
266 ngx_http_variable_sent_connection, 0, 0, 0 }, | |
267 | |
268 { ngx_string("sent_http_keep_alive"), NULL, | |
269 ngx_http_variable_sent_keep_alive, 0, 0, 0 }, | |
270 | |
271 { ngx_string("sent_http_transfer_encoding"), NULL, | |
272 ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, | |
273 | |
274 { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, | |
275 offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, | |
276 | |
637 | 277 { ngx_string("limit_rate"), ngx_http_variable_request_set_size, |
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278 ngx_http_variable_request_get_size, |
637 | 279 offsetof(ngx_http_request_t, limit_rate), |
1565 | 280 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
637 | 281 |
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282 { ngx_string("connection"), NULL, |
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283 ngx_http_variable_connection, 0, 0, 0 }, |
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284 |
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285 { ngx_string("connection_requests"), NULL, |
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286 ngx_http_variable_connection_requests, 0, 0, 0 }, |
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287 |
1329 | 288 { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, |
289 0, 0, 0 }, | |
290 | |
2011 | 291 { ngx_string("hostname"), NULL, ngx_http_variable_hostname, |
292 0, 0, 0 }, | |
293 | |
2249 | 294 { ngx_string("pid"), NULL, ngx_http_variable_pid, |
295 0, 0, 0 }, | |
296 | |
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297 { ngx_string("msec"), NULL, ngx_http_variable_msec, |
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298 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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299 |
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300 #if (NGX_HAVE_TCP_INFO) |
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301 { ngx_string("tcpinfo_rtt"), NULL, ngx_http_variable_tcpinfo, |
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302 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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303 |
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304 { ngx_string("tcpinfo_rttvar"), NULL, ngx_http_variable_tcpinfo, |
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305 1, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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306 |
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307 { ngx_string("tcpinfo_snd_cwnd"), NULL, ngx_http_variable_tcpinfo, |
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308 2, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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309 |
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310 { ngx_string("tcpinfo_rcv_space"), NULL, ngx_http_variable_tcpinfo, |
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311 3, NGX_HTTP_VAR_NOCACHEABLE, 0 }, |
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312 #endif |
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313 |
637 | 314 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
499 | 315 }; |
316 | |
317 | |
577 | 318 ngx_http_variable_value_t ngx_http_variable_null_value = |
319 ngx_http_variable(""); | |
320 ngx_http_variable_value_t ngx_http_variable_true_value = | |
321 ngx_http_variable("1"); | |
322 | |
323 | |
499 | 324 ngx_http_variable_t * |
509 | 325 ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) |
326 { | |
611 | 327 ngx_int_t rc; |
509 | 328 ngx_uint_t i; |
611 | 329 ngx_hash_key_t *key; |
509 | 330 ngx_http_variable_t *v; |
331 ngx_http_core_main_conf_t *cmcf; | |
332 | |
333 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
334 | |
611 | 335 key = cmcf->variables_keys->keys.elts; |
336 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
337 if (name->len != key[i].key.len | |
338 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
509 | 339 { |
340 continue; | |
341 } | |
342 | |
611 | 343 v = key[i].value; |
344 | |
1565 | 345 if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { |
509 | 346 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
347 "the duplicate \"%V\" variable", name); | |
348 return NULL; | |
349 } | |
350 | |
611 | 351 return v; |
509 | 352 } |
353 | |
611 | 354 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
509 | 355 if (v == NULL) { |
356 return NULL; | |
357 } | |
358 | |
359 v->name.len = name->len; | |
2049 | 360 v->name.data = ngx_pnalloc(cf->pool, name->len); |
509 | 361 if (v->name.data == NULL) { |
362 return NULL; | |
363 } | |
364 | |
2135 | 365 ngx_strlow(v->name.data, name->data, name->len); |
509 | 366 |
637 | 367 v->set_handler = NULL; |
368 v->get_handler = NULL; | |
509 | 369 v->data = 0; |
370 v->flags = flags; | |
533 | 371 v->index = 0; |
509 | 372 |
611 | 373 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); |
374 | |
375 if (rc == NGX_ERROR) { | |
376 return NULL; | |
377 } | |
378 | |
379 if (rc == NGX_BUSY) { | |
380 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
381 "conflicting variable name \"%V\"", name); | |
382 return NULL; | |
383 } | |
384 | |
509 | 385 return v; |
386 } | |
387 | |
388 | |
389 ngx_int_t | |
390 ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
499 | 391 { |
501 | 392 ngx_uint_t i; |
393 ngx_http_variable_t *v; | |
499 | 394 ngx_http_core_main_conf_t *cmcf; |
395 | |
396 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
397 | |
501 | 398 v = cmcf->variables.elts; |
399 | |
400 if (v == NULL) { | |
499 | 401 if (ngx_array_init(&cmcf->variables, cf->pool, 4, |
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402 sizeof(ngx_http_variable_t)) |
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403 != NGX_OK) |
499 | 404 { |
509 | 405 return NGX_ERROR; |
499 | 406 } |
501 | 407 |
408 } else { | |
409 for (i = 0; i < cmcf->variables.nelts; i++) { | |
410 if (name->len != v[i].name.len | |
411 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
412 { | |
413 continue; | |
414 } | |
415 | |
509 | 416 return i; |
501 | 417 } |
499 | 418 } |
419 | |
501 | 420 v = ngx_array_push(&cmcf->variables); |
421 if (v == NULL) { | |
509 | 422 return NGX_ERROR; |
499 | 423 } |
424 | |
501 | 425 v->name.len = name->len; |
2049 | 426 v->name.data = ngx_pnalloc(cf->pool, name->len); |
501 | 427 if (v->name.data == NULL) { |
509 | 428 return NGX_ERROR; |
501 | 429 } |
499 | 430 |
2135 | 431 ngx_strlow(v->name.data, name->data, name->len); |
501 | 432 |
637 | 433 v->set_handler = NULL; |
434 v->get_handler = NULL; | |
501 | 435 v->data = 0; |
509 | 436 v->flags = 0; |
533 | 437 v->index = cmcf->variables.nelts - 1; |
501 | 438 |
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439 return v->index; |
499 | 440 } |
441 | |
442 | |
443 ngx_http_variable_value_t * | |
444 ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
445 { | |
501 | 446 ngx_http_variable_t *v; |
499 | 447 ngx_http_core_main_conf_t *cmcf; |
448 | |
449 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
450 | |
553 | 451 if (cmcf->variables.nelts <= index) { |
499 | 452 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
453 "unknown variable index: %d", index); | |
454 return NULL; | |
455 } | |
456 | |
573 | 457 if (r->variables[index].not_found || r->variables[index].valid) { |
458 return &r->variables[index]; | |
501 | 459 } |
499 | 460 |
501 | 461 v = cmcf->variables.elts; |
499 | 462 |
637 | 463 if (v[index].get_handler(r, &r->variables[index], v[index].data) |
464 == NGX_OK) | |
465 { | |
1565 | 466 if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { |
467 r->variables[index].no_cacheable = 1; | |
499 | 468 } |
573 | 469 |
470 return &r->variables[index]; | |
499 | 471 } |
472 | |
657 | 473 r->variables[index].valid = 0; |
474 r->variables[index].not_found = 1; | |
475 | |
798 | 476 return NULL; |
573 | 477 } |
478 | |
479 | |
480 ngx_http_variable_value_t * | |
481 ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) | |
482 { | |
1150 | 483 ngx_http_variable_value_t *v; |
573 | 484 |
485 v = &r->variables[index]; | |
486 | |
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487 if (v->valid || v->not_found) { |
1565 | 488 if (!v->no_cacheable) { |
573 | 489 return v; |
490 } | |
491 | |
492 v->valid = 0; | |
493 v->not_found = 0; | |
509 | 494 } |
501 | 495 |
573 | 496 return ngx_http_get_indexed_variable(r, index); |
499 | 497 } |
498 | |
499 | |
500 ngx_http_variable_value_t * | |
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501 ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) |
499 | 502 { |
501 | 503 ngx_http_variable_t *v; |
573 | 504 ngx_http_variable_value_t *vv; |
499 | 505 ngx_http_core_main_conf_t *cmcf; |
506 | |
507 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
508 | |
611 | 509 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); |
499 | 510 |
611 | 511 if (v) { |
512 if (v->flags & NGX_HTTP_VAR_INDEXED) { | |
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513 return ngx_http_get_flushed_variable(r, v->index); |
519 | 514 |
515 } else { | |
499 | 516 |
573 | 517 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); |
501 | 518 |
637 | 519 if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { |
573 | 520 return vv; |
521 } | |
509 | 522 |
573 | 523 return NULL; |
524 } | |
509 | 525 } |
526 | |
527 vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); | |
528 if (vv == NULL) { | |
529 return NULL; | |
530 } | |
531 | |
573 | 532 if (ngx_strncmp(name->data, "http_", 5) == 0) { |
499 | 533 |
577 | 534 if (ngx_http_variable_unknown_header_in(r, vv, (uintptr_t) name) |
535 == NGX_OK) | |
536 { | |
537 return vv; | |
538 } | |
539 | |
540 return NULL; | |
541 } | |
542 | |
543 if (ngx_strncmp(name->data, "sent_http_", 10) == 0) { | |
544 | |
545 if (ngx_http_variable_unknown_header_out(r, vv, (uintptr_t) name) | |
546 == NGX_OK) | |
573 | 547 { |
548 return vv; | |
549 } | |
499 | 550 |
551 return NULL; | |
552 } | |
553 | |
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554 if (ngx_strncmp(name->data, "upstream_http_", 14) == 0) { |
1162 | 555 |
556 if (ngx_http_upstream_header_variable(r, vv, (uintptr_t) name) | |
557 == NGX_OK) | |
558 { | |
559 return vv; | |
560 } | |
561 | |
562 return NULL; | |
563 } | |
564 | |
2307 | 565 if (ngx_strncmp(name->data, "cookie_", 7) == 0) { |
566 | |
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567 if (ngx_http_variable_cookie(r, vv, (uintptr_t) name) == NGX_OK) { |
2307 | 568 return vv; |
569 } | |
570 | |
571 return NULL; | |
572 } | |
573 | |
2137 | 574 if (ngx_strncmp(name->data, "arg_", 4) == 0) { |
575 | |
576 if (ngx_http_variable_argument(r, vv, (uintptr_t) name) == NGX_OK) { | |
577 return vv; | |
578 } | |
579 | |
580 return NULL; | |
581 } | |
582 | |
635 | 583 vv->not_found = 1; |
573 | 584 |
501 | 585 return vv; |
499 | 586 } |
587 | |
588 | |
573 | 589 static ngx_int_t |
590 ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
591 uintptr_t data) | |
592 { | |
593 ngx_str_t *s; | |
594 | |
595 s = (ngx_str_t *) ((char *) r + data); | |
596 | |
597 if (s->data) { | |
598 v->len = s->len; | |
599 v->valid = 1; | |
1565 | 600 v->no_cacheable = 0; |
573 | 601 v->not_found = 0; |
602 v->data = s->data; | |
603 | |
604 } else { | |
605 v->not_found = 1; | |
606 } | |
607 | |
608 return NGX_OK; | |
609 } | |
610 | |
611 | |
637 | 612 static void |
1350 | 613 ngx_http_variable_request_set(ngx_http_request_t *r, |
614 ngx_http_variable_value_t *v, uintptr_t data) | |
615 { | |
616 ngx_str_t *s; | |
617 | |
618 s = (ngx_str_t *) ((char *) r + data); | |
619 | |
620 s->len = v->len; | |
621 s->data = v->data; | |
622 } | |
623 | |
624 | |
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625 static ngx_int_t |
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626 ngx_http_variable_request_get_size(ngx_http_request_t *r, |
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627 ngx_http_variable_value_t *v, uintptr_t data) |
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628 { |
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629 size_t *sp; |
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630 |
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631 sp = (size_t *) ((char *) r + data); |
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632 |
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633 v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); |
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634 if (v->data == NULL) { |
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635 return NGX_ERROR; |
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636 } |
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637 |
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638 v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; |
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639 v->valid = 1; |
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640 v->no_cacheable = 0; |
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641 v->not_found = 0; |
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642 |
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643 return NGX_OK; |
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644 } |
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645 |
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646 |
1350 | 647 static void |
637 | 648 ngx_http_variable_request_set_size(ngx_http_request_t *r, |
649 ngx_http_variable_value_t *v, uintptr_t data) | |
650 { | |
651 ssize_t s, *sp; | |
652 ngx_str_t val; | |
653 | |
1310
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654 val.len = v->len; |
637 | 655 val.data = v->data; |
656 | |
657 s = ngx_parse_size(&val); | |
658 | |
659 if (s == NGX_ERROR) { | |
660 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
661 "invalid size \"%V\"", &val); | |
662 return; | |
663 } | |
664 | |
665 sp = (ssize_t *) ((char *) r + data); | |
666 | |
667 *sp = s; | |
668 | |
669 return; | |
670 } | |
671 | |
672 | |
573 | 673 static ngx_int_t |
674 ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
675 uintptr_t data) | |
515 | 676 { |
573 | 677 ngx_table_elt_t *h; |
678 | |
679 h = *(ngx_table_elt_t **) ((char *) r + data); | |
680 | |
681 if (h) { | |
682 v->len = h->value.len; | |
683 v->valid = 1; | |
1565 | 684 v->no_cacheable = 0; |
573 | 685 v->not_found = 0; |
686 v->data = h->value.data; | |
687 | |
688 } else { | |
689 v->not_found = 1; | |
690 } | |
691 | |
692 return NGX_OK; | |
693 } | |
694 | |
695 | |
696 static ngx_int_t | |
697 ngx_http_variable_headers(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
698 uintptr_t data) | |
699 { | |
4334
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700 size_t len; |
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701 u_char *p, *end; |
667 | 702 ngx_uint_t i, n; |
573 | 703 ngx_array_t *a; |
704 ngx_table_elt_t **h; | |
515 | 705 |
706 a = (ngx_array_t *) ((char *) r + data); | |
707 | |
667 | 708 n = a->nelts; |
4334
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709 h = a->elts; |
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710 |
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711 len = 0; |
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712 |
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713 for (i = 0; i < n; i++) { |
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714 |
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715 if (h[i]->hash == 0) { |
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716 continue; |
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717 } |
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718 |
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719 len += h[i]->value.len + sizeof("; ") - 1; |
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720 } |
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721 |
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722 if (len == 0) { |
573 | 723 v->not_found = 1; |
724 return NGX_OK; | |
515 | 725 } |
726 | |
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727 len -= sizeof("; ") - 1; |
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728 |
573 | 729 v->valid = 1; |
1565 | 730 v->no_cacheable = 0; |
573 | 731 v->not_found = 0; |
515 | 732 |
667 | 733 if (n == 1) { |
573 | 734 v->len = (*h)->value.len; |
735 v->data = (*h)->value.data; | |
515 | 736 |
573 | 737 return NGX_OK; |
515 | 738 } |
739 | |
2049 | 740 p = ngx_pnalloc(r->pool, len); |
573 | 741 if (p == NULL) { |
742 return NGX_ERROR; | |
743 } | |
744 | |
745 v->len = len; | |
746 v->data = p; | |
515 | 747 |
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748 end = p + len; |
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749 |
515 | 750 for (i = 0; /* void */ ; i++) { |
4334
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751 |
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752 if (h[i]->hash == 0) { |
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753 continue; |
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754 } |
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755 |
573 | 756 p = ngx_copy(p, h[i]->value.data, h[i]->value.len); |
515 | 757 |
4334
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758 if (p == end) { |
515 | 759 break; |
760 } | |
761 | |
762 *p++ = ';'; *p++ = ' '; | |
763 } | |
764 | |
573 | 765 return NGX_OK; |
515 | 766 } |
767 | |
768 | |
573 | 769 static ngx_int_t |
577 | 770 ngx_http_variable_unknown_header_in(ngx_http_request_t *r, |
771 ngx_http_variable_value_t *v, uintptr_t data) | |
772 { | |
773 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, | |
774 &r->headers_in.headers.part, | |
775 sizeof("http_") - 1); | |
776 } | |
777 | |
778 | |
779 static ngx_int_t | |
780 ngx_http_variable_unknown_header_out(ngx_http_request_t *r, | |
573 | 781 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 782 { |
577 | 783 return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, |
784 &r->headers_out.headers.part, | |
785 sizeof("sent_http_") - 1); | |
786 } | |
501 | 787 |
577 | 788 |
1162 | 789 ngx_int_t |
577 | 790 ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, |
791 ngx_list_part_t *part, size_t prefix) | |
792 { | |
573 | 793 u_char ch; |
794 ngx_uint_t i, n; | |
795 ngx_table_elt_t *header; | |
499 | 796 |
797 header = part->elts; | |
798 | |
799 for (i = 0; /* void */ ; i++) { | |
800 | |
801 if (i >= part->nelts) { | |
802 if (part->next == NULL) { | |
803 break; | |
804 } | |
805 | |
806 part = part->next; | |
807 header = part->elts; | |
808 i = 0; | |
809 } | |
810 | |
4334
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811 if (header[i].hash == 0) { |
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812 continue; |
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813 } |
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|
814 |
577 | 815 for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { |
499 | 816 ch = header[i].key.data[n]; |
817 | |
509 | 818 if (ch >= 'A' && ch <= 'Z') { |
819 ch |= 0x20; | |
499 | 820 |
821 } else if (ch == '-') { | |
822 ch = '_'; | |
823 } | |
824 | |
577 | 825 if (var->data[n + prefix] != ch) { |
499 | 826 break; |
827 } | |
828 } | |
829 | |
742
75d767d32624
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|
830 if (n + prefix == var->len && n == header[i].key.len) { |
573 | 831 v->len = header[i].value.len; |
832 v->valid = 1; | |
1565 | 833 v->no_cacheable = 0; |
573 | 834 v->not_found = 0; |
835 v->data = header[i].value.data; | |
499 | 836 |
573 | 837 return NGX_OK; |
499 | 838 } |
839 } | |
840 | |
573 | 841 v->not_found = 1; |
842 | |
843 return NGX_OK; | |
509 | 844 } |
845 | |
846 | |
573 | 847 static ngx_int_t |
3144
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848 ngx_http_variable_request_line(ngx_http_request_t *r, |
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849 ngx_http_variable_value_t *v, uintptr_t data) |
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850 { |
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|
851 u_char *p, *s; |
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|
852 |
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|
853 s = r->request_line.data; |
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|
854 |
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855 if (s == NULL) { |
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856 s = r->request_start; |
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|
857 |
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858 if (s == NULL) { |
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859 v->not_found = 1; |
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860 return NGX_OK; |
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861 } |
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|
862 |
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863 for (p = s; p < r->header_in->last; p++) { |
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864 if (*p == CR || *p == LF) { |
ecbfc3396c42
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|
865 break; |
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|
866 } |
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|
867 } |
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868 |
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869 r->request_line.len = p - s; |
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870 r->request_line.data = s; |
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871 } |
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872 |
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873 v->len = r->request_line.len; |
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874 v->valid = 1; |
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875 v->no_cacheable = 0; |
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876 v->not_found = 0; |
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877 v->data = s; |
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|
878 |
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879 return NGX_OK; |
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880 } |
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881 |
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882 |
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|
883 static ngx_int_t |
2307 | 884 ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
885 uintptr_t data) | |
886 { | |
887 ngx_str_t *name = (ngx_str_t *) data; | |
888 | |
889 ngx_str_t cookie, s; | |
890 | |
891 s.len = name->len - (sizeof("cookie_") - 1); | |
892 s.data = name->data + sizeof("cookie_") - 1; | |
893 | |
894 if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) | |
895 == NGX_DECLINED) | |
896 { | |
897 v->not_found = 1; | |
898 return NGX_OK; | |
899 } | |
900 | |
901 v->len = cookie.len; | |
902 v->valid = 1; | |
903 v->no_cacheable = 0; | |
904 v->not_found = 0; | |
905 v->data = cookie.data; | |
906 | |
907 return NGX_OK; | |
908 } | |
909 | |
910 | |
911 static ngx_int_t | |
2137 | 912 ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
913 uintptr_t data) | |
914 { | |
915 ngx_str_t *name = (ngx_str_t *) data; | |
916 | |
2415 | 917 u_char *arg; |
918 size_t len; | |
919 ngx_str_t value; | |
2137 | 920 |
2415 | 921 len = name->len - (sizeof("arg_") - 1); |
922 arg = name->data + sizeof("arg_") - 1; | |
923 | |
924 if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { | |
2137 | 925 v->not_found = 1; |
926 return NGX_OK; | |
927 } | |
928 | |
2415 | 929 v->data = value.data; |
930 v->len = value.len; | |
931 v->valid = 1; | |
932 v->no_cacheable = 0; | |
933 v->not_found = 0; | |
2137 | 934 |
935 return NGX_OK; | |
936 } | |
937 | |
938 | |
4545
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
939 #if (NGX_HAVE_TCP_INFO) |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
940 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
941 static ngx_int_t |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
942 ngx_http_variable_tcpinfo(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
943 uintptr_t data) |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
944 { |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
945 struct tcp_info ti; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
946 socklen_t len; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
947 uint32_t value; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
948 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
949 len = sizeof(struct tcp_info); |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
950 if (getsockopt(r->connection->fd, IPPROTO_TCP, TCP_INFO, &ti, &len) == -1) { |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
951 v->not_found = 1; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
952 return NGX_OK; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
953 } |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
954 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
955 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN); |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
956 if (v->data == NULL) { |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
957 return NGX_ERROR; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
958 } |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
959 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
960 switch (data) { |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
961 case 0: |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
962 value = ti.tcpi_rtt; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
963 break; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
964 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
965 case 1: |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
966 value = ti.tcpi_rttvar; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
967 break; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
968 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
969 case 2: |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
970 value = ti.tcpi_snd_cwnd; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
971 break; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
972 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
973 case 3: |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
974 value = ti.tcpi_rcv_space; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
975 break; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
976 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
977 /* suppress warning */ |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
978 default: |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
979 value = 0; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
980 break; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
981 } |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
982 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
983 v->len = ngx_sprintf(v->data, "%uD", value) - v->data; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
984 v->valid = 1; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
985 v->no_cacheable = 0; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
986 v->not_found = 0; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
987 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
988 return NGX_OK; |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
989 } |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
990 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
991 #endif |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
992 |
ba39af7274ed
Implemented $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd, and
Ruslan Ermilov <ru@nginx.com>
parents:
4540
diff
changeset
|
993 |
2137 | 994 static ngx_int_t |
4928
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
995 ngx_http_variable_content_length(ngx_http_request_t *r, |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
996 ngx_http_variable_value_t *v, uintptr_t data) |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
997 { |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
998 u_char *p; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
999 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1000 if (r->headers_in.content_length) { |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1001 v->len = r->headers_in.content_length->value.len; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1002 v->data = r->headers_in.content_length->value.data; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1003 v->valid = 1; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1004 v->no_cacheable = 0; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1005 v->not_found = 0; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1006 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1007 } else if (r->headers_in.content_length_n >= 0) { |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1008 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1009 if (p == NULL) { |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1010 return NGX_ERROR; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1011 } |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1012 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1013 v->len = ngx_sprintf(p, "%O", r->headers_in.content_length_n) - p; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1014 v->data = p; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1015 v->valid = 1; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1016 v->no_cacheable = 0; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1017 v->not_found = 0; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1018 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1019 } else { |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1020 v->not_found = 1; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1021 } |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1022 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1023 return NGX_OK; |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1024 } |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1025 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1026 |
ec7d97006a30
Request body: $content_length variable to honor real body size.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4921
diff
changeset
|
1027 static ngx_int_t |
573 | 1028 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, |
1029 uintptr_t data) | |
509 | 1030 { |
1811 | 1031 ngx_http_core_srv_conf_t *cscf; |
1032 | |
2007
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1033 if (r->headers_in.server.len) { |
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1034 v->len = r->headers_in.server.len; |
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1035 v->data = r->headers_in.server.data; |
928
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
1036 |
a6fe6bedb9e3
fix segfault when $host is used and
Igor Sysoev <igor@sysoev.ru>
parents:
864
diff
changeset
|
1037 } else { |
2007
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1038 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1039 |
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1040 v->len = cscf->server_name.len; |
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1811
diff
changeset
|
1041 v->data = cscf->server_name.data; |
509 | 1042 } |
1043 | |
573 | 1044 v->valid = 1; |
1565 | 1045 v->no_cacheable = 0; |
573 | 1046 v->not_found = 0; |
509 | 1047 |
573 | 1048 return NGX_OK; |
499 | 1049 } |
1050 | |
1051 | |
573 | 1052 static ngx_int_t |
983
7a8ca436d611
ngx_http_variable_binary_remote_addr()
Igor Sysoev <igor@sysoev.ru>
parents:
982
diff
changeset
|
1053 ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, |
573 | 1054 ngx_http_variable_value_t *v, uintptr_t data) |
499 | 1055 { |
2512
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2485
diff
changeset
|
1056 struct sockaddr_in *sin; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2485
diff
changeset
|
1057 #if (NGX_HAVE_INET6) |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2485
diff
changeset
|
1058 struct sockaddr_in6 *sin6; |
2e91aecb9e57
a prelimiary IPv6 support, HTTP listen
Igor Sysoev <igor@sysoev.ru>
parents:
2485
diff
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1059 #endif |
982 | 1060 |
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1061 switch (r->connection->sockaddr->sa_family) { |
983
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1062 |
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1063 #if (NGX_HAVE_INET6) |
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1064 case AF_INET6: |
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1065 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
982 | 1066 |
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1067 v->len = sizeof(struct in6_addr); |
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1068 v->valid = 1; |
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1069 v->no_cacheable = 0; |
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1070 v->not_found = 0; |
3268
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1071 v->data = sin6->sin6_addr.s6_addr; |
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1072 |
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1073 break; |
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1074 #endif |
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1075 |
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1076 default: /* AF_INET */ |
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1077 sin = (struct sockaddr_in *) r->connection->sockaddr; |
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1078 |
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1079 v->len = sizeof(in_addr_t); |
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1080 v->valid = 1; |
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1081 v->no_cacheable = 0; |
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1082 v->not_found = 0; |
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1083 v->data = (u_char *) &sin->sin_addr; |
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1084 |
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1085 break; |
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1086 } |
982 | 1087 |
983
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1088 return NGX_OK; |
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1089 } |
982 | 1090 |
1091 | |
983
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1092 static ngx_int_t |
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1093 ngx_http_variable_remote_addr(ngx_http_request_t *r, |
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1094 ngx_http_variable_value_t *v, uintptr_t data) |
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1095 { |
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1096 v->len = r->connection->addr_text.len; |
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1097 v->valid = 1; |
1565 | 1098 v->no_cacheable = 0; |
983
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1099 v->not_found = 0; |
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1100 v->data = r->connection->addr_text.data; |
499 | 1101 |
573 | 1102 return NGX_OK; |
499 | 1103 } |
1104 | |
1105 | |
573 | 1106 static ngx_int_t |
1107 ngx_http_variable_remote_port(ngx_http_request_t *r, | |
1108 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1109 { |
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1110 ngx_uint_t port; |
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1111 struct sockaddr_in *sin; |
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1112 #if (NGX_HAVE_INET6) |
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1113 struct sockaddr_in6 *sin6; |
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1114 #endif |
509 | 1115 |
573 | 1116 v->len = 0; |
1117 v->valid = 1; | |
1565 | 1118 v->no_cacheable = 0; |
573 | 1119 v->not_found = 0; |
509 | 1120 |
2049 | 1121 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
573 | 1122 if (v->data == NULL) { |
1123 return NGX_ERROR; | |
509 | 1124 } |
1125 | |
2512
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1126 switch (r->connection->sockaddr->sa_family) { |
577 | 1127 |
2512
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1128 #if (NGX_HAVE_INET6) |
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1129 case AF_INET6: |
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1130 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; |
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1131 port = ntohs(sin6->sin6_port); |
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1132 break; |
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1133 #endif |
577 | 1134 |
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1135 default: /* AF_INET */ |
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1136 sin = (struct sockaddr_in *) r->connection->sockaddr; |
509 | 1137 port = ntohs(sin->sin_port); |
2512
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1138 break; |
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1139 } |
577 | 1140 |
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1141 if (port > 0 && port < 65536) { |
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1142 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
509 | 1143 } |
1144 | |
573 | 1145 return NGX_OK; |
509 | 1146 } |
1147 | |
1148 | |
573 | 1149 static ngx_int_t |
1150 ngx_http_variable_server_addr(ngx_http_request_t *r, | |
1151 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1152 { |
1805 | 1153 ngx_str_t s; |
2512
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1154 u_char addr[NGX_SOCKADDR_STRLEN]; |
499 | 1155 |
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1156 s.len = NGX_SOCKADDR_STRLEN; |
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1157 s.data = addr; |
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1158 |
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1159 if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { |
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1160 return NGX_ERROR; |
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1161 } |
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1162 |
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1163 s.data = ngx_pnalloc(r->pool, s.len); |
1805 | 1164 if (s.data == NULL) { |
573 | 1165 return NGX_ERROR; |
509 | 1166 } |
1167 | |
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1168 ngx_memcpy(s.data, addr, s.len); |
509 | 1169 |
1805 | 1170 v->len = s.len; |
573 | 1171 v->valid = 1; |
1565 | 1172 v->no_cacheable = 0; |
573 | 1173 v->not_found = 0; |
1805 | 1174 v->data = s.data; |
499 | 1175 |
573 | 1176 return NGX_OK; |
499 | 1177 } |
1178 | |
1179 | |
573 | 1180 static ngx_int_t |
1181 ngx_http_variable_server_port(ngx_http_request_t *r, | |
1182 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1183 { |
2533 | 1184 ngx_uint_t port; |
1185 struct sockaddr_in *sin; | |
1186 #if (NGX_HAVE_INET6) | |
1187 struct sockaddr_in6 *sin6; | |
1188 #endif | |
1189 | |
1190 v->len = 0; | |
573 | 1191 v->valid = 1; |
1565 | 1192 v->no_cacheable = 0; |
573 | 1193 v->not_found = 0; |
2533 | 1194 |
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1195 if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { |
2533 | 1196 return NGX_ERROR; |
1197 } | |
1198 | |
1199 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); | |
1200 if (v->data == NULL) { | |
1201 return NGX_ERROR; | |
1202 } | |
1203 | |
1204 switch (r->connection->local_sockaddr->sa_family) { | |
1205 | |
1206 #if (NGX_HAVE_INET6) | |
1207 case AF_INET6: | |
1208 sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr; | |
1209 port = ntohs(sin6->sin6_port); | |
1210 break; | |
1211 #endif | |
1212 | |
1213 default: /* AF_INET */ | |
1214 sin = (struct sockaddr_in *) r->connection->local_sockaddr; | |
1215 port = ntohs(sin->sin_port); | |
1216 break; | |
1217 } | |
1218 | |
1219 if (port > 0 && port < 65536) { | |
1220 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; | |
1221 } | |
509 | 1222 |
573 | 1223 return NGX_OK; |
509 | 1224 } |
1225 | |
1226 | |
573 | 1227 static ngx_int_t |
731 | 1228 ngx_http_variable_scheme(ngx_http_request_t *r, |
1229 ngx_http_variable_value_t *v, uintptr_t data) | |
1230 { | |
1231 #if (NGX_HTTP_SSL) | |
1232 | |
1233 if (r->connection->ssl) { | |
1234 v->len = sizeof("https") - 1; | |
1235 v->valid = 1; | |
1565 | 1236 v->no_cacheable = 0; |
731 | 1237 v->not_found = 0; |
732 | 1238 v->data = (u_char *) "https"; |
731 | 1239 |
1240 return NGX_OK; | |
1241 } | |
1242 | |
1243 #endif | |
1244 | |
1245 v->len = sizeof("http") - 1; | |
1246 v->valid = 1; | |
1565 | 1247 v->no_cacheable = 0; |
731 | 1248 v->not_found = 0; |
732 | 1249 v->data = (u_char *) "http"; |
731 | 1250 |
1251 return NGX_OK; | |
1252 } | |
1253 | |
1254 | |
1255 static ngx_int_t | |
4332
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1256 ngx_http_variable_https(ngx_http_request_t *r, |
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1257 ngx_http_variable_value_t *v, uintptr_t data) |
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1258 { |
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1259 #if (NGX_HTTP_SSL) |
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1260 |
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1261 if (r->connection->ssl) { |
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1262 v->len = sizeof("on") - 1; |
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1263 v->valid = 1; |
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1264 v->no_cacheable = 0; |
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1265 v->not_found = 0; |
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1266 v->data = (u_char *) "on"; |
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1267 |
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1268 return NGX_OK; |
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1269 } |
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1270 |
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1271 #endif |
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1272 |
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1273 *v = ngx_http_variable_null_value; |
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1274 |
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1275 return NGX_OK; |
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1276 } |
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1277 |
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1278 |
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1279 static ngx_int_t |
1351 | 1280 ngx_http_variable_is_args(ngx_http_request_t *r, |
1281 ngx_http_variable_value_t *v, uintptr_t data) | |
1282 { | |
1283 v->valid = 1; | |
1565 | 1284 v->no_cacheable = 0; |
1351 | 1285 v->not_found = 0; |
1286 | |
1287 if (r->args.len == 0) { | |
1288 v->len = 0; | |
1289 v->data = NULL; | |
1290 return NGX_OK; | |
1291 } | |
1292 | |
1293 v->len = 1; | |
1294 v->data = (u_char *) "?"; | |
1295 | |
1296 return NGX_OK; | |
1297 } | |
1298 | |
1299 | |
1300 static ngx_int_t | |
573 | 1301 ngx_http_variable_document_root(ngx_http_request_t *r, |
1302 ngx_http_variable_value_t *v, uintptr_t data) | |
499 | 1303 { |
671 | 1304 ngx_str_t path; |
573 | 1305 ngx_http_core_loc_conf_t *clcf; |
509 | 1306 |
1307 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1308 | |
671 | 1309 if (clcf->root_lengths == NULL) { |
1310 v->len = clcf->root.len; | |
1311 v->valid = 1; | |
1565 | 1312 v->no_cacheable = 0; |
671 | 1313 v->not_found = 0; |
1314 v->data = clcf->root.data; | |
1315 | |
1316 } else { | |
1317 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, | |
1318 clcf->root_values->elts) | |
1319 == NULL) | |
1320 { | |
1321 return NGX_ERROR; | |
1322 } | |
1323 | |
2536
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1324 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
671 | 1325 return NGX_ERROR; |
1326 } | |
1327 | |
1328 v->len = path.len; | |
1329 v->valid = 1; | |
1565 | 1330 v->no_cacheable = 0; |
671 | 1331 v->not_found = 0; |
1332 v->data = path.data; | |
1333 } | |
509 | 1334 |
573 | 1335 return NGX_OK; |
509 | 1336 } |
1337 | |
1338 | |
573 | 1339 static ngx_int_t |
2259 | 1340 ngx_http_variable_realpath_root(ngx_http_request_t *r, |
1341 ngx_http_variable_value_t *v, uintptr_t data) | |
1342 { | |
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1343 u_char *real; |
2259 | 1344 size_t len; |
1345 ngx_str_t path; | |
1346 ngx_http_core_loc_conf_t *clcf; | |
4558
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1347 #if (NGX_HAVE_MAX_PATH) |
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1348 u_char buffer[NGX_MAX_PATH]; |
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1349 #endif |
2259 | 1350 |
1351 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1352 | |
1353 if (clcf->root_lengths == NULL) { | |
1354 path = clcf->root; | |
1355 | |
1356 } else { | |
1357 if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, | |
1358 clcf->root_values->elts) | |
1359 == NULL) | |
1360 { | |
1361 return NGX_ERROR; | |
1362 } | |
1363 | |
1364 path.data[path.len - 1] = '\0'; | |
1365 | |
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1366 if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, &path, 0) != NGX_OK) { |
2259 | 1367 return NGX_ERROR; |
1368 } | |
1369 } | |
1370 | |
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1371 #if (NGX_HAVE_MAX_PATH) |
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1372 real = buffer; |
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1373 #else |
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1374 real = NULL; |
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1375 #endif |
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1376 |
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|
1377 real = ngx_realpath(path.data, real); |
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1378 |
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1379 if (real == NULL) { |
2259 | 1380 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
1381 ngx_realpath_n " \"%s\" failed", path.data); | |
1382 return NGX_ERROR; | |
1383 } | |
1384 | |
1385 len = ngx_strlen(real); | |
1386 | |
1387 v->data = ngx_pnalloc(r->pool, len); | |
1388 if (v->data == NULL) { | |
4558
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1389 #if !(NGX_HAVE_MAX_PATH) |
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1390 ngx_free(real); |
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1391 #endif |
2259 | 1392 return NGX_ERROR; |
1393 } | |
1394 | |
1395 v->len = len; | |
1396 v->valid = 1; | |
1397 v->no_cacheable = 0; | |
1398 v->not_found = 0; | |
1399 | |
1400 ngx_memcpy(v->data, real, len); | |
1401 | |
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|
1402 #if !(NGX_HAVE_MAX_PATH) |
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1403 ngx_free(real); |
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|
1404 #endif |
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1405 |
2259 | 1406 return NGX_OK; |
1407 } | |
1408 | |
1409 | |
1410 static ngx_int_t | |
573 | 1411 ngx_http_variable_request_filename(ngx_http_request_t *r, |
1412 ngx_http_variable_value_t *v, uintptr_t data) | |
509 | 1413 { |
773 | 1414 size_t root; |
573 | 1415 ngx_str_t path; |
499 | 1416 |
773 | 1417 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { |
573 | 1418 return NGX_ERROR; |
557 | 1419 } |
509 | 1420 |
557 | 1421 /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ |
509 | 1422 |
573 | 1423 v->len = path.len - 1; |
1424 v->valid = 1; | |
1565 | 1425 v->no_cacheable = 0; |
573 | 1426 v->not_found = 0; |
1427 v->data = path.data; | |
499 | 1428 |
573 | 1429 return NGX_OK; |
499 | 1430 } |
1431 | |
1432 | |
573 | 1433 static ngx_int_t |
1811 | 1434 ngx_http_variable_server_name(ngx_http_request_t *r, |
1435 ngx_http_variable_value_t *v, uintptr_t data) | |
1436 { | |
1437 ngx_http_core_srv_conf_t *cscf; | |
1438 | |
1439 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); | |
1440 | |
1441 v->len = cscf->server_name.len; | |
1442 v->valid = 1; | |
1443 v->no_cacheable = 0; | |
1444 v->not_found = 0; | |
1445 v->data = cscf->server_name.data; | |
1446 | |
1447 return NGX_OK; | |
1448 } | |
1449 | |
1450 | |
1451 static ngx_int_t | |
573 | 1452 ngx_http_variable_request_method(ngx_http_request_t *r, |
1453 ngx_http_variable_value_t *v, uintptr_t data) | |
561 | 1454 { |
647 | 1455 if (r->main->method_name.data) { |
1456 v->len = r->main->method_name.len; | |
573 | 1457 v->valid = 1; |
1565 | 1458 v->no_cacheable = 0; |
573 | 1459 v->not_found = 0; |
647 | 1460 v->data = r->main->method_name.data; |
573 | 1461 |
1462 } else { | |
1463 v->not_found = 1; | |
561 | 1464 } |
1465 | |
573 | 1466 return NGX_OK; |
561 | 1467 } |
1468 | |
1469 | |
573 | 1470 static ngx_int_t |
1471 ngx_http_variable_remote_user(ngx_http_request_t *r, | |
1472 ngx_http_variable_value_t *v, uintptr_t data) | |
539 | 1473 { |
573 | 1474 ngx_int_t rc; |
539 | 1475 |
1476 rc = ngx_http_auth_basic_user(r); | |
1477 | |
1478 if (rc == NGX_DECLINED) { | |
573 | 1479 v->not_found = 1; |
1480 return NGX_OK; | |
539 | 1481 } |
1482 | |
1483 if (rc == NGX_ERROR) { | |
573 | 1484 return NGX_ERROR; |
539 | 1485 } |
1486 | |
573 | 1487 v->len = r->headers_in.user.len; |
1488 v->valid = 1; | |
1565 | 1489 v->no_cacheable = 0; |
573 | 1490 v->not_found = 0; |
1491 v->data = r->headers_in.user.data; | |
571 | 1492 |
573 | 1493 return NGX_OK; |
571 | 1494 } |
1495 | |
1496 | |
611 | 1497 static ngx_int_t |
4886 | 1498 ngx_http_variable_bytes_sent(ngx_http_request_t *r, |
1499 ngx_http_variable_value_t *v, uintptr_t data) | |
1500 { | |
1501 u_char *p; | |
1502 | |
1503 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); | |
1504 if (p == NULL) { | |
1505 return NGX_ERROR; | |
1506 } | |
1507 | |
1508 v->len = ngx_sprintf(p, "%O", r->connection->sent) - p; | |
1509 v->valid = 1; | |
1510 v->no_cacheable = 0; | |
1511 v->not_found = 0; | |
1512 v->data = p; | |
1513 | |
1514 return NGX_OK; | |
1515 } | |
1516 | |
1517 | |
1518 static ngx_int_t | |
611 | 1519 ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, |
1520 ngx_http_variable_value_t *v, uintptr_t data) | |
1521 { | |
1522 off_t sent; | |
1523 u_char *p; | |
1524 | |
1525 sent = r->connection->sent - r->header_size; | |
1526 | |
1527 if (sent < 0) { | |
1528 sent = 0; | |
1529 } | |
1530 | |
2049 | 1531 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
611 | 1532 if (p == NULL) { |
1533 return NGX_ERROR; | |
1534 } | |
1535 | |
1536 v->len = ngx_sprintf(p, "%O", sent) - p; | |
1537 v->valid = 1; | |
1565 | 1538 v->no_cacheable = 0; |
611 | 1539 v->not_found = 0; |
1540 v->data = p; | |
1541 | |
1542 return NGX_OK; | |
1543 } | |
1544 | |
1545 | |
629 | 1546 static ngx_int_t |
4685
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1547 ngx_http_variable_status(ngx_http_request_t *r, |
956edecaedeb
New core variable: $status.
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1548 ngx_http_variable_value_t *v, uintptr_t data) |
956edecaedeb
New core variable: $status.
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|
1549 { |
956edecaedeb
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|
1550 ngx_uint_t status; |
956edecaedeb
New core variable: $status.
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changeset
|
1551 |
956edecaedeb
New core variable: $status.
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diff
changeset
|
1552 v->data = ngx_pnalloc(r->pool, NGX_INT_T_LEN); |
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changeset
|
1553 if (v->data == NULL) { |
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4641
diff
changeset
|
1554 return NGX_ERROR; |
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New core variable: $status.
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4641
diff
changeset
|
1555 } |
956edecaedeb
New core variable: $status.
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changeset
|
1556 |
956edecaedeb
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changeset
|
1557 if (r->err_status) { |
956edecaedeb
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diff
changeset
|
1558 status = r->err_status; |
956edecaedeb
New core variable: $status.
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diff
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|
1559 |
956edecaedeb
New core variable: $status.
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diff
changeset
|
1560 } else if (r->headers_out.status) { |
956edecaedeb
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diff
changeset
|
1561 status = r->headers_out.status; |
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diff
changeset
|
1562 |
956edecaedeb
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diff
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|
1563 } else if (r->http_version == NGX_HTTP_VERSION_9) { |
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diff
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1564 status = 9; |
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|
1565 |
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1566 } else { |
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diff
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|
1567 status = 0; |
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|
1568 } |
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|
1569 |
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|
1570 v->len = ngx_sprintf(v->data, "%03ui", status) - v->data; |
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1571 v->valid = 1; |
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1572 v->no_cacheable = 0; |
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1573 v->not_found = 0; |
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1574 |
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1575 return NGX_OK; |
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1576 } |
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1577 |
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1578 |
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1579 static ngx_int_t |
641 | 1580 ngx_http_variable_sent_content_type(ngx_http_request_t *r, |
1581 ngx_http_variable_value_t *v, uintptr_t data) | |
1582 { | |
1583 if (r->headers_out.content_type.len) { | |
1584 v->len = r->headers_out.content_type.len; | |
1585 v->valid = 1; | |
1565 | 1586 v->no_cacheable = 0; |
641 | 1587 v->not_found = 0; |
1588 v->data = r->headers_out.content_type.data; | |
1589 | |
1590 } else { | |
1591 v->not_found = 1; | |
1592 } | |
1593 | |
1594 return NGX_OK; | |
1595 } | |
1596 | |
1597 | |
1598 static ngx_int_t | |
1599 ngx_http_variable_sent_content_length(ngx_http_request_t *r, | |
1600 ngx_http_variable_value_t *v, uintptr_t data) | |
1601 { | |
1602 u_char *p; | |
1603 | |
1604 if (r->headers_out.content_length) { | |
1605 v->len = r->headers_out.content_length->value.len; | |
1606 v->valid = 1; | |
1565 | 1607 v->no_cacheable = 0; |
641 | 1608 v->not_found = 0; |
1609 v->data = r->headers_out.content_length->value.data; | |
1610 | |
1611 return NGX_OK; | |
1612 } | |
1613 | |
1614 if (r->headers_out.content_length_n >= 0) { | |
2049 | 1615 p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); |
641 | 1616 if (p == NULL) { |
1617 return NGX_ERROR; | |
1618 } | |
1619 | |
1620 v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; | |
1621 v->valid = 1; | |
1565 | 1622 v->no_cacheable = 0; |
641 | 1623 v->not_found = 0; |
1624 v->data = p; | |
1625 | |
1626 return NGX_OK; | |
1627 } | |
1628 | |
1629 v->not_found = 1; | |
1630 | |
1631 return NGX_OK; | |
1632 } | |
1633 | |
1634 | |
1635 static ngx_int_t | |
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1636 ngx_http_variable_sent_location(ngx_http_request_t *r, |
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1637 ngx_http_variable_value_t *v, uintptr_t data) |
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1638 { |
2539
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1639 ngx_str_t name; |
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1640 |
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1641 if (r->headers_out.location) { |
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1642 v->len = r->headers_out.location->value.len; |
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1643 v->valid = 1; |
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1644 v->no_cacheable = 0; |
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1645 v->not_found = 0; |
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1646 v->data = r->headers_out.location->value.data; |
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1647 |
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1648 return NGX_OK; |
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|
1649 } |
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|
1650 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3500
diff
changeset
|
1651 ngx_str_set(&name, "sent_http_location"); |
2539
051e9b12428e
fix segfault introduced in r2486 in $sent_http_location processing
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diff
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|
1652 |
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diff
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|
1653 return ngx_http_variable_unknown_header(v, &name, |
2485
51b1097dbb67
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1654 &r->headers_out.headers.part, |
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1655 sizeof("sent_http_") - 1); |
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1656 } |
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|
1657 |
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1658 |
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1659 static ngx_int_t |
641 | 1660 ngx_http_variable_sent_last_modified(ngx_http_request_t *r, |
1661 ngx_http_variable_value_t *v, uintptr_t data) | |
1662 { | |
1663 u_char *p; | |
1664 | |
1665 if (r->headers_out.last_modified) { | |
1666 v->len = r->headers_out.last_modified->value.len; | |
1667 v->valid = 1; | |
1565 | 1668 v->no_cacheable = 0; |
641 | 1669 v->not_found = 0; |
1670 v->data = r->headers_out.last_modified->value.data; | |
1671 | |
1672 return NGX_OK; | |
1673 } | |
1674 | |
1675 if (r->headers_out.last_modified_time >= 0) { | |
2049 | 1676 p = ngx_pnalloc(r->pool, |
641 | 1677 sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT") - 1); |
1678 if (p == NULL) { | |
1679 return NGX_ERROR; | |
1680 } | |
1681 | |
1682 v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; | |
1683 v->valid = 1; | |
1565 | 1684 v->no_cacheable = 0; |
641 | 1685 v->not_found = 0; |
1686 v->data = p; | |
1687 | |
1688 return NGX_OK; | |
1689 } | |
1690 | |
1691 v->not_found = 1; | |
1692 | |
1693 return NGX_OK; | |
1694 } | |
1695 | |
1696 | |
1697 static ngx_int_t | |
1698 ngx_http_variable_sent_connection(ngx_http_request_t *r, | |
1699 ngx_http_variable_value_t *v, uintptr_t data) | |
1700 { | |
1701 size_t len; | |
1702 char *p; | |
1703 | |
1704 if (r->keepalive) { | |
1705 len = sizeof("keep-alive") - 1; | |
1706 p = "keep-alive"; | |
1707 | |
1708 } else { | |
1709 len = sizeof("close") - 1; | |
1710 p = "close"; | |
1711 } | |
1712 | |
1713 v->len = len; | |
1714 v->valid = 1; | |
1565 | 1715 v->no_cacheable = 0; |
641 | 1716 v->not_found = 0; |
1717 v->data = (u_char *) p; | |
1718 | |
1719 return NGX_OK; | |
1720 } | |
1721 | |
1722 | |
1723 static ngx_int_t | |
1724 ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, | |
1725 ngx_http_variable_value_t *v, uintptr_t data) | |
1726 { | |
1727 u_char *p; | |
1728 ngx_http_core_loc_conf_t *clcf; | |
1729 | |
1730 if (r->keepalive) { | |
1731 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
1732 | |
1733 if (clcf->keepalive_header) { | |
1734 | |
2049 | 1735 p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); |
641 | 1736 if (p == NULL) { |
1737 return NGX_ERROR; | |
1738 } | |
1739 | |
1740 v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; | |
1741 v->valid = 1; | |
1565 | 1742 v->no_cacheable = 0; |
641 | 1743 v->not_found = 0; |
1744 v->data = p; | |
1745 | |
1746 return NGX_OK; | |
1747 } | |
1748 } | |
1749 | |
1750 v->not_found = 1; | |
1751 | |
1752 return NGX_OK; | |
1753 } | |
1754 | |
1755 | |
1756 static ngx_int_t | |
1757 ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, | |
1758 ngx_http_variable_value_t *v, uintptr_t data) | |
1759 { | |
1760 if (r->chunked) { | |
1761 v->len = sizeof("chunked") - 1; | |
1762 v->valid = 1; | |
1565 | 1763 v->no_cacheable = 0; |
641 | 1764 v->not_found = 0; |
1765 v->data = (u_char *) "chunked"; | |
1766 | |
1767 } else { | |
1768 v->not_found = 1; | |
1769 } | |
1770 | |
1771 return NGX_OK; | |
1772 } | |
1773 | |
1774 | |
1775 static ngx_int_t | |
629 | 1776 ngx_http_variable_request_completion(ngx_http_request_t *r, |
1777 ngx_http_variable_value_t *v, uintptr_t data) | |
1778 { | |
1779 if (r->request_complete) { | |
1780 v->len = 2; | |
1781 v->valid = 1; | |
1565 | 1782 v->no_cacheable = 0; |
629 | 1783 v->not_found = 0; |
1784 v->data = (u_char *) "OK"; | |
1785 | |
1786 return NGX_OK; | |
1787 } | |
1788 | |
1789 v->len = 0; | |
1790 v->valid = 1; | |
1565 | 1791 v->no_cacheable = 0; |
629 | 1792 v->not_found = 0; |
1793 v->data = (u_char *) ""; | |
1794 | |
1795 return NGX_OK; | |
1796 } | |
1797 | |
1798 | |
759 | 1799 static ngx_int_t |
2844 | 1800 ngx_http_variable_request_body(ngx_http_request_t *r, |
1801 ngx_http_variable_value_t *v, uintptr_t data) | |
1802 { | |
1803 u_char *p; | |
1804 size_t len; | |
4921
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1805 ngx_buf_t *buf; |
2844 | 1806 ngx_chain_t *cl; |
1807 | |
2878
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1808 if (r->request_body == NULL |
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1809 || r->request_body->bufs == NULL |
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1810 || r->request_body->temp_file) |
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1811 { |
2844 | 1812 v->not_found = 1; |
1813 | |
1814 return NGX_OK; | |
1815 } | |
1816 | |
1817 cl = r->request_body->bufs; | |
1818 buf = cl->buf; | |
1819 | |
1820 if (cl->next == NULL) { | |
1821 v->len = buf->last - buf->pos; | |
1822 v->valid = 1; | |
1823 v->no_cacheable = 0; | |
1824 v->not_found = 0; | |
1825 v->data = buf->pos; | |
1826 | |
1827 return NGX_OK; | |
1828 } | |
1829 | |
4921
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1830 len = buf->last - buf->pos; |
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1831 cl = cl->next; |
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1832 |
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1833 for ( /* void */ ; cl; cl = cl->next) { |
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1834 buf = cl->buf; |
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1835 len += buf->last - buf->pos; |
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1836 } |
2844 | 1837 |
1838 p = ngx_pnalloc(r->pool, len); | |
1839 if (p == NULL) { | |
1840 return NGX_ERROR; | |
1841 } | |
1842 | |
1843 v->data = p; | |
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1844 cl = r->request_body->bufs; |
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1845 |
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1846 for ( /* void */ ; cl; cl = cl->next) { |
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1847 buf = cl->buf; |
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1848 p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); |
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1849 } |
2844 | 1850 |
1851 v->len = len; | |
1852 v->valid = 1; | |
1853 v->no_cacheable = 0; | |
1854 v->not_found = 0; | |
1855 | |
1856 return NGX_OK; | |
1857 } | |
1858 | |
1859 | |
1860 static ngx_int_t | |
759 | 1861 ngx_http_variable_request_body_file(ngx_http_request_t *r, |
1862 ngx_http_variable_value_t *v, uintptr_t data) | |
1863 { | |
1864 if (r->request_body == NULL || r->request_body->temp_file == NULL) { | |
763
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diff
changeset
|
1865 v->not_found = 1; |
759 | 1866 |
1867 return NGX_OK; | |
1868 } | |
1869 | |
1870 v->len = r->request_body->temp_file->file.name.len; | |
1871 v->valid = 1; | |
1565 | 1872 v->no_cacheable = 0; |
759 | 1873 v->not_found = 0; |
1874 v->data = r->request_body->temp_file->file.name.data; | |
1875 | |
1876 return NGX_OK; | |
1877 } | |
1878 | |
1879 | |
1329 | 1880 static ngx_int_t |
4913
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Variables $request_time and $msec.
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1881 ngx_http_variable_request_time(ngx_http_request_t *r, |
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1882 ngx_http_variable_value_t *v, uintptr_t data) |
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1883 { |
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1884 u_char *p; |
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1885 ngx_time_t *tp; |
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1886 ngx_msec_int_t ms; |
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1887 |
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1888 p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4); |
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1889 if (p == NULL) { |
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1890 return NGX_ERROR; |
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1891 } |
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1892 |
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1893 tp = ngx_timeofday(); |
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1894 |
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1895 ms = (ngx_msec_int_t) |
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1896 ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); |
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1897 ms = ngx_max(ms, 0); |
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1898 |
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1899 v->len = ngx_sprintf(p, "%T.%03M", ms / 1000, ms % 1000) - p; |
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1900 v->valid = 1; |
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1901 v->no_cacheable = 0; |
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1902 v->not_found = 0; |
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1903 v->data = p; |
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1904 |
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1905 return NGX_OK; |
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1906 } |
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1907 |
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1908 |
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1909 static ngx_int_t |
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1910 ngx_http_variable_connection(ngx_http_request_t *r, |
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1911 ngx_http_variable_value_t *v, uintptr_t data) |
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1912 { |
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1913 u_char *p; |
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1914 |
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1915 p = ngx_pnalloc(r->pool, NGX_ATOMIC_T_LEN); |
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1916 if (p == NULL) { |
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1917 return NGX_ERROR; |
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1918 } |
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1919 |
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1920 v->len = ngx_sprintf(p, "%uA", r->connection->number) - p; |
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1921 v->valid = 1; |
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1922 v->no_cacheable = 0; |
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1923 v->not_found = 0; |
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1924 v->data = p; |
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1925 |
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1926 return NGX_OK; |
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1927 } |
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|
1928 |
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1929 |
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1930 static ngx_int_t |
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1931 ngx_http_variable_connection_requests(ngx_http_request_t *r, |
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1932 ngx_http_variable_value_t *v, uintptr_t data) |
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1933 { |
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1934 u_char *p; |
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1935 |
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1936 p = ngx_pnalloc(r->pool, NGX_INT_T_LEN); |
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1937 if (p == NULL) { |
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1938 return NGX_ERROR; |
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1939 } |
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1940 |
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1941 v->len = ngx_sprintf(p, "%ui", r->connection->requests) - p; |
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1942 v->valid = 1; |
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1943 v->no_cacheable = 0; |
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1944 v->not_found = 0; |
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1945 v->data = p; |
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1946 |
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1947 return NGX_OK; |
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1948 } |
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1949 |
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1950 |
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1951 static ngx_int_t |
1329 | 1952 ngx_http_variable_nginx_version(ngx_http_request_t *r, |
1953 ngx_http_variable_value_t *v, uintptr_t data) | |
1954 { | |
1955 v->len = sizeof(NGINX_VERSION) - 1; | |
1956 v->valid = 1; | |
1565 | 1957 v->no_cacheable = 0; |
1329 | 1958 v->not_found = 0; |
1959 v->data = (u_char *) NGINX_VERSION; | |
1960 | |
1961 return NGX_OK; | |
1962 } | |
1963 | |
1964 | |
2011 | 1965 static ngx_int_t |
1966 ngx_http_variable_hostname(ngx_http_request_t *r, | |
1967 ngx_http_variable_value_t *v, uintptr_t data) | |
1968 { | |
1969 v->len = ngx_cycle->hostname.len; | |
1970 v->valid = 1; | |
1971 v->no_cacheable = 0; | |
1972 v->not_found = 0; | |
1973 v->data = ngx_cycle->hostname.data; | |
1974 | |
1975 return NGX_OK; | |
1976 } | |
1977 | |
1978 | |
2249 | 1979 static ngx_int_t |
1980 ngx_http_variable_pid(ngx_http_request_t *r, | |
1981 ngx_http_variable_value_t *v, uintptr_t data) | |
1982 { | |
1983 u_char *p; | |
1984 | |
1985 p = ngx_pnalloc(r->pool, NGX_INT64_LEN); | |
1986 if (p == NULL) { | |
1987 return NGX_ERROR; | |
1988 } | |
1989 | |
1990 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; | |
1991 v->valid = 1; | |
1992 v->no_cacheable = 0; | |
1993 v->not_found = 0; | |
1994 v->data = p; | |
1995 | |
1996 return NGX_OK; | |
1997 } | |
1998 | |
1999 | |
4913
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2000 static ngx_int_t |
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2001 ngx_http_variable_msec(ngx_http_request_t *r, |
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2002 ngx_http_variable_value_t *v, uintptr_t data) |
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2003 { |
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2004 u_char *p; |
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2005 ngx_time_t *tp; |
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|
2006 |
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|
2007 p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4); |
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2008 if (p == NULL) { |
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2009 return NGX_ERROR; |
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|
2010 } |
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|
2011 |
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2012 tp = ngx_timeofday(); |
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2013 |
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2014 v->len = ngx_sprintf(p, "%T.%03M", tp->sec, tp->msec) - p; |
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2015 v->valid = 1; |
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2016 v->no_cacheable = 0; |
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2017 v->not_found = 0; |
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2018 v->data = p; |
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|
2019 |
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2020 return NGX_OK; |
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2021 } |
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2022 |
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|
2023 |
3872
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2024 void * |
3929
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|
2025 ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) |
3872
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2026 { |
3929
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2027 void *value; |
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2028 u_char *low; |
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2029 size_t len; |
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2030 ngx_uint_t key; |
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2031 |
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2032 len = match->len; |
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2033 |
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2034 if (len) { |
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2035 low = ngx_pnalloc(r->pool, len); |
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2036 if (low == NULL) { |
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2037 return NULL; |
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2038 } |
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2039 |
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|
2040 } else { |
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|
2041 low = NULL; |
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2042 } |
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2043 |
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2044 key = ngx_hash_strlow(low, match->data, len); |
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2045 |
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|
2046 value = ngx_hash_find_combined(&map->hash, key, low, len); |
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2047 if (value) { |
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|
2048 return value; |
3872
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|
2049 } |
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|
2050 |
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2051 #if (NGX_PCRE) |
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2052 |
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|
2053 if (len && map->nregex) { |
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2054 ngx_int_t n; |
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2055 ngx_uint_t i; |
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2056 ngx_http_map_regex_t *reg; |
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2057 |
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2058 reg = map->regex; |
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2059 |
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2060 for (i = 0; i < map->nregex; i++) { |
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allow regex as "map" parameter
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2061 |
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2062 n = ngx_http_regex_exec(r, reg[i].regex, match); |
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2063 |
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2064 if (n == NGX_OK) { |
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|
2065 return reg[i].value; |
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|
2066 } |
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|
2067 |
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2068 if (n == NGX_DECLINED) { |
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|
2069 continue; |
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|
2070 } |
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2071 |
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|
2072 /* NGX_ERROR */ |
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2073 |
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|
2074 return NULL; |
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|
2075 } |
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|
2076 } |
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|
2077 |
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|
2078 #endif |
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|
2079 |
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|
2080 return NULL; |
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|
2081 } |
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|
2082 |
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2083 |
3356
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2084 #if (NGX_PCRE) |
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2085 |
3325 | 2086 static ngx_int_t |
2087 ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
2088 uintptr_t data) | |
2089 { | |
2090 v->not_found = 1; | |
2091 return NGX_OK; | |
2092 } | |
2093 | |
2094 | |
2095 ngx_http_regex_t * | |
2096 ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
2097 { | |
2098 u_char *p; | |
2099 size_t size; | |
2100 ngx_str_t name; | |
2101 ngx_uint_t i, n; | |
2102 ngx_http_variable_t *v; | |
2103 ngx_http_regex_t *re; | |
2104 ngx_http_regex_variable_t *rv; | |
2105 ngx_http_core_main_conf_t *cmcf; | |
2106 | |
2107 rc->pool = cf->pool; | |
2108 | |
2109 if (ngx_regex_compile(rc) != NGX_OK) { | |
2110 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
2111 return NULL; | |
2112 } | |
2113 | |
2114 re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); | |
2115 if (re == NULL) { | |
2116 return NULL; | |
2117 } | |
2118 | |
2119 re->regex = rc->regex; | |
2120 re->ncaptures = rc->captures; | |
2121 | |
2122 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
2123 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
2124 | |
2125 n = (ngx_uint_t) rc->named_captures; | |
2126 | |
2127 if (n == 0) { | |
2128 return re; | |
2129 } | |
2130 | |
2131 rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); | |
2132 if (rv == NULL) { | |
2133 return NULL; | |
2134 } | |
2135 | |
2136 re->variables = rv; | |
2137 re->nvariables = n; | |
2138 re->name = rc->pattern; | |
2139 | |
2140 size = rc->name_size; | |
2141 p = rc->names; | |
2142 | |
2143 for (i = 0; i < n; i++) { | |
2144 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
2145 | |
2146 name.data = &p[2]; | |
2147 name.len = ngx_strlen(name.data); | |
2148 | |
2149 v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); | |
2150 if (v == NULL) { | |
2151 return NULL; | |
2152 } | |
2153 | |
2154 rv[i].index = ngx_http_get_variable_index(cf, &name); | |
2155 if (rv[i].index == NGX_ERROR) { | |
2156 return NULL; | |
2157 } | |
2158 | |
2159 v->get_handler = ngx_http_variable_not_found; | |
2160 | |
3409
bb79608169eb
named captures worked for two names only
Igor Sysoev <igor@sysoev.ru>
parents:
3356
diff
changeset
|
2161 p += size; |
3325 | 2162 } |
2163 | |
2164 return re; | |
2165 } | |
2166 | |
2167 | |
2168 ngx_int_t | |
2169 ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) | |
2170 { | |
2171 ngx_int_t rc, index; | |
2172 ngx_uint_t i, n, len; | |
2173 ngx_http_variable_value_t *vv; | |
2174 ngx_http_core_main_conf_t *cmcf; | |
2175 | |
2176 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); | |
2177 | |
2178 if (re->ncaptures) { | |
3345
d8228f0b5113
evaluate maximum captures size on configuration phase
Igor Sysoev <igor@sysoev.ru>
parents:
3344
diff
changeset
|
2179 len = cmcf->ncaptures; |
3325 | 2180 |
2181 if (r->captures == NULL) { | |
2182 r->captures = ngx_palloc(r->pool, len * sizeof(int)); | |
2183 if (r->captures == NULL) { | |
2184 return NGX_ERROR; | |
2185 } | |
2186 } | |
2187 | |
2188 } else { | |
2189 len = 0; | |
2190 } | |
2191 | |
2192 rc = ngx_regex_exec(re->regex, s, r->captures, len); | |
2193 | |
2194 if (rc == NGX_REGEX_NO_MATCHED) { | |
2195 return NGX_DECLINED; | |
2196 } | |
2197 | |
2198 if (rc < 0) { | |
2199 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
2200 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
2201 rc, s, &re->name); | |
2202 return NGX_ERROR; | |
2203 } | |
2204 | |
2205 for (i = 0; i < re->nvariables; i++) { | |
2206 | |
2207 n = re->variables[i].capture; | |
2208 index = re->variables[i].index; | |
2209 vv = &r->variables[index]; | |
2210 | |
2211 vv->len = r->captures[n + 1] - r->captures[n]; | |
2212 vv->valid = 1; | |
2213 vv->no_cacheable = 0; | |
2214 vv->not_found = 0; | |
2215 vv->data = &s->data[r->captures[n]]; | |
2216 | |
2217 #if (NGX_DEBUG) | |
2218 { | |
2219 ngx_http_variable_t *v; | |
2220 | |
2221 v = cmcf->variables.elts; | |
2222 | |
2223 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
2224 "http regex set $%V to \"%*s\"", | |
2225 &v[index].name, vv->len, vv->data); | |
2226 } | |
2227 #endif | |
2228 } | |
2229 | |
3344
1aed55182ea2
fix captures in "rewrite", the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3325
diff
changeset
|
2230 r->ncaptures = rc * 2; |
3325 | 2231 r->captures_data = s->data; |
2232 | |
2233 return NGX_OK; | |
2234 } | |
2235 | |
3356
fe08c14530e9
fix building without PCRE, the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3345
diff
changeset
|
2236 #endif |
fe08c14530e9
fix building without PCRE, the bug had been introduced in r3326
Igor Sysoev <igor@sysoev.ru>
parents:
3345
diff
changeset
|
2237 |
3325 | 2238 |
499 | 2239 ngx_int_t |
509 | 2240 ngx_http_variables_add_core_vars(ngx_conf_t *cf) |
499 | 2241 { |
611 | 2242 ngx_int_t rc; |
4641
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2243 ngx_http_variable_t *cv, *v; |
501 | 2244 ngx_http_core_main_conf_t *cmcf; |
499 | 2245 |
509 | 2246 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
2247 | |
611 | 2248 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, |
2249 sizeof(ngx_hash_keys_arrays_t)); | |
2250 if (cmcf->variables_keys == NULL) { | |
2251 return NGX_ERROR; | |
2252 } | |
2253 | |
2254 cmcf->variables_keys->pool = cf->pool; | |
2255 cmcf->variables_keys->temp_pool = cf->pool; | |
2256 | |
2257 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
2258 != NGX_OK) | |
509 | 2259 { |
499 | 2260 return NGX_ERROR; |
2261 } | |
2262 | |
4641
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2263 for (cv = ngx_http_core_variables; cv->name.len; cv++) { |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2264 v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2265 if (v == NULL) { |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2266 return NGX_ERROR; |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2267 } |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2268 |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2269 *v = *cv; |
045bb3ef3ffc
Fixed core variables dynamic access after reconfiguration.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4572
diff
changeset
|
2270 |
611 | 2271 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, |
2272 NGX_HASH_READONLY_KEY); | |
2273 | |
2274 if (rc == NGX_OK) { | |
2275 continue; | |
499 | 2276 } |
2277 | |
611 | 2278 if (rc == NGX_BUSY) { |
2279 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
2280 "conflicting variable name \"%V\"", &v->name); | |
2281 } | |
2282 | |
2283 return NGX_ERROR; | |
499 | 2284 } |
2285 | |
2286 return NGX_OK; | |
2287 } | |
509 | 2288 |
2289 | |
2290 ngx_int_t | |
2291 ngx_http_variables_init_vars(ngx_conf_t *cf) | |
2292 { | |
2293 ngx_uint_t i, n; | |
611 | 2294 ngx_hash_key_t *key; |
2295 ngx_hash_init_t hash; | |
509 | 2296 ngx_http_variable_t *v, *av; |
2297 ngx_http_core_main_conf_t *cmcf; | |
2298 | |
2299 /* set the handlers for the indexed http variables */ | |
2300 | |
2301 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
2302 | |
2303 v = cmcf->variables.elts; | |
611 | 2304 key = cmcf->variables_keys->keys.elts; |
509 | 2305 |
2306 for (i = 0; i < cmcf->variables.nelts; i++) { | |
2307 | |
611 | 2308 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
509 | 2309 |
1191
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
2310 av = key[n].value; |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
2311 |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
2312 if (av->get_handler |
0eb2dc4fdea8
fix segfault introduced in r1190
Igor Sysoev <igor@sysoev.ru>
parents:
1173
diff
changeset
|
2313 && v[i].name.len == key[n].key.len |
611 | 2314 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) |
509 | 2315 == 0) |
2316 { | |
637 | 2317 v[i].get_handler = av->get_handler; |
611 | 2318 v[i].data = av->data; |
527 | 2319 |
611 | 2320 av->flags |= NGX_HTTP_VAR_INDEXED; |
2321 v[i].flags = av->flags; | |
509 | 2322 |
611 | 2323 av->index = i; |
533 | 2324 |
509 | 2325 goto next; |
2326 } | |
2327 } | |
2328 | |
2329 if (ngx_strncmp(v[i].name.data, "http_", 5) == 0) { | |
637 | 2330 v[i].get_handler = ngx_http_variable_unknown_header_in; |
577 | 2331 v[i].data = (uintptr_t) &v[i].name; |
2332 | |
2333 continue; | |
2334 } | |
2335 | |
2336 if (ngx_strncmp(v[i].name.data, "sent_http_", 10) == 0) { | |
637 | 2337 v[i].get_handler = ngx_http_variable_unknown_header_out; |
509 | 2338 v[i].data = (uintptr_t) &v[i].name; |
2339 | |
2340 continue; | |
2341 } | |
2342 | |
1162 | 2343 if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) { |
2344 v[i].get_handler = ngx_http_upstream_header_variable; | |
2345 v[i].data = (uintptr_t) &v[i].name; | |
1565 | 2346 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
1162 | 2347 |
2348 continue; | |
2349 } | |
2350 | |
2307 | 2351 if (ngx_strncmp(v[i].name.data, "cookie_", 7) == 0) { |
2352 v[i].get_handler = ngx_http_variable_cookie; | |
2353 v[i].data = (uintptr_t) &v[i].name; | |
2354 | |
2355 continue; | |
2356 } | |
2357 | |
2137 | 2358 if (ngx_strncmp(v[i].name.data, "arg_", 4) == 0) { |
2359 v[i].get_handler = ngx_http_variable_argument; | |
2360 v[i].data = (uintptr_t) &v[i].name; | |
3499
b4a14d50388b
make $arg_ variables non-cacheable
Igor Sysoev <igor@sysoev.ru>
parents:
3463
diff
changeset
|
2361 v[i].flags = NGX_HTTP_VAR_NOCACHEABLE; |
2137 | 2362 |
2363 continue; | |
2364 } | |
2365 | |
509 | 2366 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
2367 "unknown \"%V\" variable", &v[i].name); | |
2368 | |
2369 return NGX_ERROR; | |
2370 | |
2371 next: | |
2372 continue; | |
2373 } | |
2374 | |
2375 | |
611 | 2376 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { |
2377 av = key[n].value; | |
2378 | |
2379 if (av->flags & NGX_HTTP_VAR_NOHASH) { | |
2380 key[n].key.data = NULL; | |
583 | 2381 } |
2382 } | |
2383 | |
2384 | |
611 | 2385 hash.hash = &cmcf->variables_hash; |
2386 hash.key = ngx_hash_key; | |
2387 hash.max_size = cmcf->variables_hash_max_size; | |
2388 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
2389 hash.name = "variables_hash"; | |
2390 hash.pool = cf->pool; | |
2391 hash.temp_pool = NULL; | |
509 | 2392 |
611 | 2393 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, |
2394 cmcf->variables_keys->keys.nelts) | |
581 | 2395 != NGX_OK) |
509 | 2396 { |
2397 return NGX_ERROR; | |
2398 } | |
2399 | |
611 | 2400 cmcf->variables_keys = NULL; |
509 | 2401 |
2402 return NGX_OK; | |
2403 } |