Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 1840:21d89aba08fa stable-0.5
r1605, r1673 merge:
divide special response handling into several functions
fix "?" escaping introduced in r1526
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 08 Jan 2008 16:42:02 +0000 |
parents | 0a174d921f1e |
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rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 #include <nginx.h> |
24
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12 |
1840 | 13 static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r, |
14 ngx_http_err_page_t *err_page); | |
15 static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r, | |
16 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err); | |
17 static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); | |
18 | |
19 | |
20 static u_char ngx_http_error_full_tail[] = | |
1725 | 21 "<hr><center>" NGINX_VER "</center>" CRLF |
22 "</body>" CRLF | |
23 "</html>" CRLF | |
24 ; | |
25 | |
26 | |
1840 | 27 static u_char ngx_http_error_tail[] = |
1725 | 28 "<hr><center>nginx</center>" CRLF |
26
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29 "</body>" CRLF |
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30 "</html>" CRLF |
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31 ; |
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32 |
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33 |
501 | 34 static u_char ngx_http_msie_stub[] = |
103
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35 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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36 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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37 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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38 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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39 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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40 "<!-- The padding to disable MSIE's friendly error page -->" CRLF |
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41 ; |
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42 |
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43 |
679 | 44 static u_char ngx_http_msie_refresh_head[] = |
45 "<html><head><meta http-equiv=\"Refresh\" content=\"0; URL="; | |
46 | |
47 | |
48 static u_char ngx_http_msie_refresh_tail[] = | |
49 "\"></head><body></body></html>" CRLF; | |
50 | |
51 | |
1840 | 52 static char ngx_http_error_301_page[] = |
144
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53 "<html>" CRLF |
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54 "<head><title>301 Moved Permanently</title></head>" CRLF |
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55 "<body bgcolor=\"white\">" CRLF |
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56 "<center><h1>301 Moved Permanently</h1></center>" CRLF |
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57 ; |
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58 |
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1840 | 60 static char ngx_http_error_302_page[] = |
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61 "<html>" CRLF |
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62 "<head><title>302 Found</title></head>" CRLF |
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63 "<body bgcolor=\"white\">" CRLF |
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64 "<center><h1>302 Found</h1></center>" CRLF |
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65 ; |
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66 |
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67 |
1840 | 68 static char ngx_http_error_400_page[] = |
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69 "<html>" CRLF |
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70 "<head><title>400 Bad Request</title></head>" CRLF |
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71 "<body bgcolor=\"white\">" CRLF |
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72 "<center><h1>400 Bad Request</h1></center>" CRLF |
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73 ; |
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74 |
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75 |
1840 | 76 static char ngx_http_error_401_page[] = |
499 | 77 "<html>" CRLF |
503 | 78 "<head><title>401 Authorization Required</title></head>" CRLF |
499 | 79 "<body bgcolor=\"white\">" CRLF |
503 | 80 "<center><h1>401 Authorization Required</h1></center>" CRLF |
499 | 81 ; |
82 | |
83 | |
1840 | 84 static char ngx_http_error_402_page[] = |
499 | 85 "<html>" CRLF |
86 "<head><title>402 Payment Required</title></head>" CRLF | |
87 "<body bgcolor=\"white\">" CRLF | |
88 "<center><h1>402 Payment Required</h1></center>" CRLF | |
89 ; | |
90 | |
91 | |
1840 | 92 static char ngx_http_error_403_page[] = |
45
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93 "<html>" CRLF |
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94 "<head><title>403 Forbidden</title></head>" CRLF |
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95 "<body bgcolor=\"white\">" CRLF |
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96 "<center><h1>403 Forbidden</h1></center>" CRLF |
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97 ; |
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1840 | 100 static char ngx_http_error_404_page[] = |
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101 "<html>" CRLF |
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102 "<head><title>404 Not Found</title></head>" CRLF |
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103 "<body bgcolor=\"white\">" CRLF |
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104 "<center><h1>404 Not Found</h1></center>" CRLF |
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105 ; |
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1840 | 108 static char ngx_http_error_405_page[] = |
96
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109 "<html>" CRLF |
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110 "<head><title>405 Not Allowed</title></head>" CRLF |
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111 "<body bgcolor=\"white\">" CRLF |
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112 "<center><h1>405 Not Allowed</h1></center>" CRLF |
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113 ; |
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115 |
1840 | 116 static char ngx_http_error_406_page[] = |
499 | 117 "<html>" CRLF |
118 "<head><title>406 Not Acceptable</title></head>" CRLF | |
119 "<body bgcolor=\"white\">" CRLF | |
120 "<center><h1>406 Not Acceptable</h1></center>" CRLF | |
121 ; | |
122 | |
123 | |
1840 | 124 static char ngx_http_error_408_page[] = |
69
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125 "<html>" CRLF |
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126 "<head><title>408 Request Time-out</title></head>" CRLF |
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127 "<body bgcolor=\"white\">" CRLF |
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128 "<center><h1>408 Request Time-out</h1></center>" CRLF |
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129 ; |
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131 |
1840 | 132 static char ngx_http_error_409_page[] = |
637 | 133 "<html>" CRLF |
134 "<head><title>409 Conflict</title></head>" CRLF | |
135 "<body bgcolor=\"white\">" CRLF | |
136 "<center><h1>409 Conflict</h1></center>" CRLF | |
137 ; | |
138 | |
139 | |
1840 | 140 static char ngx_http_error_410_page[] = |
499 | 141 "<html>" CRLF |
142 "<head><title>410 Gone</title></head>" CRLF | |
143 "<body bgcolor=\"white\">" CRLF | |
144 "<center><h1>410 Gone</h1></center>" CRLF | |
145 ; | |
146 | |
147 | |
1840 | 148 static char ngx_http_error_411_page[] = |
581 | 149 "<html>" CRLF |
150 "<head><title>411 Length Required</title></head>" CRLF | |
151 "<body bgcolor=\"white\">" CRLF | |
152 "<center><h1>411 Length Required</h1></center>" CRLF | |
153 ; | |
154 | |
155 | |
1840 | 156 static char ngx_http_error_412_page[] = |
1057 | 157 "<html>" CRLF |
158 "<head><title>412 Precondition Failed</title></head>" CRLF | |
159 "<body bgcolor=\"white\">" CRLF | |
160 "<center><h1>412 Precondition Failed</h1></center>" CRLF | |
161 ; | |
162 | |
163 | |
1840 | 164 static char ngx_http_error_413_page[] = |
162
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165 "<html>" CRLF |
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166 "<head><title>413 Request Entity Too Large</title></head>" CRLF |
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167 "<body bgcolor=\"white\">" CRLF |
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168 "<center><h1>413 Request Entity Too Large</h1></center>" CRLF |
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169 ; |
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171 |
1840 | 172 static char ngx_http_error_414_page[] = |
67
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173 "<html>" CRLF |
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174 "<head><title>414 Request-URI Too Large</title></head>" CRLF |
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175 "<body bgcolor=\"white\">" CRLF |
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176 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF |
5a7d1aaa1618
nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
177 ; |
5a7d1aaa1618
nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
178 |
5a7d1aaa1618
nginx-0.0.1-2003-03-11-23:38:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
179 |
1840 | 180 static char ngx_http_error_415_page[] = |
637 | 181 "<html>" CRLF |
182 "<head><title>415 Unsupported Media Type</title></head>" CRLF | |
183 "<body bgcolor=\"white\">" CRLF | |
184 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF | |
185 ; | |
186 | |
187 | |
1840 | 188 static char ngx_http_error_416_page[] = |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
189 "<html>" CRLF |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
190 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
191 "<body bgcolor=\"white\">" CRLF |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
192 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
193 ; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
194 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
195 |
1840 | 196 static char ngx_http_error_495_page[] = |
647 | 197 "<html>" CRLF |
198 "<head><title>400 The SSL certificate error</title></head>" | |
199 CRLF | |
200 "<body bgcolor=\"white\">" CRLF | |
201 "<center><h1>400 Bad Request</h1></center>" CRLF | |
202 "<center>The SSL certificate error</center>" CRLF | |
203 ; | |
204 | |
205 | |
1840 | 206 static char ngx_http_error_496_page[] = |
647 | 207 "<html>" CRLF |
208 "<head><title>400 No required SSL certificate was sent</title></head>" | |
209 CRLF | |
210 "<body bgcolor=\"white\">" CRLF | |
211 "<center><h1>400 Bad Request</h1></center>" CRLF | |
212 "<center>No required SSL certificate was sent</center>" CRLF | |
213 ; | |
214 | |
215 | |
1840 | 216 static char ngx_http_error_497_page[] = |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
217 "<html>" CRLF |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
changeset
|
218 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
changeset
|
219 CRLF |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
220 "<body bgcolor=\"white\">" CRLF |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
changeset
|
221 "<center><h1>400 Bad Request</h1></center>" CRLF |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
changeset
|
222 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
223 ; |
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
224 |
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
225 |
1840 | 226 static char ngx_http_error_500_page[] = |
47
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
227 "<html>" CRLF |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
228 "<head><title>500 Internal Server Error</title></head>" CRLF |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
229 "<body bgcolor=\"white\">" CRLF |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
230 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
231 ; |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
45
diff
changeset
|
232 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
233 |
1840 | 234 static char ngx_http_error_501_page[] = |
233
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
235 "<html>" CRLF |
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
236 "<head><title>501 Method Not Implemented</title></head>" CRLF |
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
237 "<body bgcolor=\"white\">" CRLF |
535 | 238 "<center><h1>501 Method Not Implemented</h1></center>" CRLF |
233
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
239 ; |
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
240 |
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
241 |
1840 | 242 static char ngx_http_error_502_page[] = |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
243 "<html>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
244 "<head><title>502 Bad Gateway</title></head>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
245 "<body bgcolor=\"white\">" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
246 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
247 ; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
248 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
249 |
1840 | 250 static char ngx_http_error_503_page[] = |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
251 "<html>" CRLF |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
252 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
253 "<body bgcolor=\"white\">" CRLF |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
254 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
255 ; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
256 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
257 |
1840 | 258 static char ngx_http_error_504_page[] = |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
259 "<html>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
260 "<head><title>504 Gateway Time-out</title></head>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
261 "<body bgcolor=\"white\">" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
262 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
263 ; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
264 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
changeset
|
265 |
1840 | 266 static char ngx_http_error_507_page[] = |
637 | 267 "<html>" CRLF |
268 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
269 "<body bgcolor=\"white\">" CRLF | |
270 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
271 ; | |
272 | |
273 | |
1840 | 274 static ngx_str_t ngx_http_error_pages[] = { |
499 | 275 |
1840 | 276 ngx_null_string, /* 201, 204 */ |
511 | 277 |
278 #define NGX_HTTP_LEVEL_200 1 | |
279 | |
1840 | 280 /* ngx_null_string, */ /* 300 */ |
281 ngx_string(ngx_http_error_301_page), | |
282 ngx_string(ngx_http_error_302_page), | |
283 ngx_null_string, /* 303 */ | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
284 |
499 | 285 #define NGX_HTTP_LEVEL_300 3 |
286 | |
1840 | 287 ngx_string(ngx_http_error_400_page), |
288 ngx_string(ngx_http_error_401_page), | |
289 ngx_string(ngx_http_error_402_page), | |
290 ngx_string(ngx_http_error_403_page), | |
291 ngx_string(ngx_http_error_404_page), | |
292 ngx_string(ngx_http_error_405_page), | |
293 ngx_string(ngx_http_error_406_page), | |
294 ngx_null_string, /* 407 */ | |
295 ngx_string(ngx_http_error_408_page), | |
296 ngx_string(ngx_http_error_409_page), | |
297 ngx_string(ngx_http_error_410_page), | |
298 ngx_string(ngx_http_error_411_page), | |
299 ngx_string(ngx_http_error_412_page), | |
300 ngx_string(ngx_http_error_413_page), | |
301 ngx_string(ngx_http_error_414_page), | |
302 ngx_string(ngx_http_error_415_page), | |
303 ngx_string(ngx_http_error_416_page), | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
304 |
499 | 305 #define NGX_HTTP_LEVEL_400 17 |
306 | |
1840 | 307 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
308 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ | |
309 ngx_string(ngx_http_error_497_page), /* 497, http to https */ | |
310 ngx_string(ngx_http_error_404_page), /* 498, canceled */ | |
311 ngx_null_string, /* 499, client has closed connection */ | |
335
d4241d7787fe
nginx-0.0.3-2004-05-14-20:51:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
331
diff
changeset
|
312 |
1840 | 313 ngx_string(ngx_http_error_500_page), |
314 ngx_string(ngx_http_error_501_page), | |
315 ngx_string(ngx_http_error_502_page), | |
316 ngx_string(ngx_http_error_503_page), | |
317 ngx_string(ngx_http_error_504_page), | |
318 ngx_null_string, /* 505 */ | |
319 ngx_null_string, /* 506 */ | |
320 ngx_string(ngx_http_error_507_page) | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
321 }; |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
47
diff
changeset
|
323 |
717
08652aae6fab
fix msvc build failure introduced by previous commit
Igor Sysoev <igor@sysoev.ru>
parents:
716
diff
changeset
|
324 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " }; |
716
d8d7c39e3a76
allowing handling 400 errors via proxy_pass
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
325 |
d8d7c39e3a76
allowing handling 400 errors via proxy_pass
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
326 |
487 | 327 ngx_int_t |
328 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
233
diff
changeset
|
330 ngx_int_t rc; |
1840 | 331 ngx_uint_t i, err; |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
165
diff
changeset
|
332 ngx_http_err_page_t *err_page; |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
333 ngx_http_core_loc_conf_t *clcf; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
334 |
527 | 335 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
336 "http special response: %d, \"%V\"", error, &r->uri); | |
337 | |
161
88abd07d9f62
nginx-0.0.1-2003-10-27-19:16:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
158
diff
changeset
|
338 rc = ngx_http_discard_body(r); |
88abd07d9f62
nginx-0.0.1-2003-10-27-19:16:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
158
diff
changeset
|
339 |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
340 if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
341 error = NGX_HTTP_INTERNAL_SERVER_ERROR; |
161
88abd07d9f62
nginx-0.0.1-2003-10-27-19:16:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
158
diff
changeset
|
342 } |
88abd07d9f62
nginx-0.0.1-2003-10-27-19:16:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
158
diff
changeset
|
343 |
677 | 344 r->err_status = error; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
345 |
68
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
346 if (r->keepalive != 0) { |
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
347 switch (error) { |
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
348 case NGX_HTTP_BAD_REQUEST: |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
changeset
|
349 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
350 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
351 case NGX_HTTP_TO_HTTPS: |
647 | 352 case NGX_HTTPS_CERT_ERROR: |
353 case NGX_HTTPS_NO_CERT: | |
68
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
354 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
355 r->keepalive = 0; |
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
356 } |
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357 } |
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358 |
88
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359 if (r->lingering_close == 1) { |
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360 switch (error) { |
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361 case NGX_HTTP_BAD_REQUEST: |
384
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362 case NGX_HTTP_TO_HTTPS: |
647 | 363 case NGX_HTTPS_CERT_ERROR: |
364 case NGX_HTTPS_NO_CERT: | |
88
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365 r->lingering_close = 0; |
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366 } |
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367 } |
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368 |
675 | 369 r->headers_out.content_type.len = 0; |
370 | |
176
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371 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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372 |
679 | 373 if (!r->error_page && clcf->error_pages) { |
374 | |
375 if (clcf->recursive_error_pages == 0) { | |
376 r->error_page = 1; | |
377 } | |
477 | 378 |
176
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379 err_page = clcf->error_pages->elts; |
477 | 380 |
176
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381 for (i = 0; i < clcf->error_pages->nelts; i++) { |
326
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382 if (err_page[i].status == error) { |
1840 | 383 return ngx_http_send_error_page(r, &err_page[i]); |
176
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384 } |
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385 } |
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386 } |
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387 |
1840 | 388 if (clcf->msie_refresh |
389 && r->headers_in.msie | |
390 && (error == NGX_HTTP_MOVED_PERMANENTLY | |
391 || error == NGX_HTTP_MOVED_TEMPORARILY)) | |
392 { | |
393 return ngx_http_send_refresh(r); | |
394 } | |
395 | |
633 | 396 if (error == NGX_HTTP_CREATED) { |
397 /* 201 */ | |
398 err = 0; | |
637 | 399 r->header_only = 1; |
633 | 400 |
401 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 402 /* 204 */ |
403 err = 0; | |
404 | |
405 } else if (error < NGX_HTTP_BAD_REQUEST) { | |
176
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406 /* 3XX */ |
513 | 407 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200; |
176
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408 |
587 | 409 } else if (error < NGX_HTTP_OWN_CODES) { |
176
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410 /* 4XX */ |
511 | 411 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200 |
412 + NGX_HTTP_LEVEL_300; | |
176
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413 |
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414 } else { |
335
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415 /* 49X, 5XX */ |
587 | 416 err = error - NGX_HTTP_OWN_CODES + NGX_HTTP_LEVEL_200 |
511 | 417 + NGX_HTTP_LEVEL_300 |
499 | 418 + NGX_HTTP_LEVEL_400; |
335
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419 switch (error) { |
384
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420 case NGX_HTTP_TO_HTTPS: |
647 | 421 case NGX_HTTPS_CERT_ERROR: |
422 case NGX_HTTPS_NO_CERT: | |
679 | 423 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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424 break; |
335
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425 } |
176
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426 } |
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427 |
1840 | 428 return ngx_http_send_special_response(r, clcf, err); |
429 } | |
430 | |
431 | |
432 static ngx_int_t | |
433 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) | |
434 { | |
435 u_char ch, *p, *last; | |
436 ngx_str_t *uri, *args, u, a; | |
437 ngx_table_elt_t *location; | |
438 ngx_http_core_loc_conf_t *clcf; | |
439 | |
440 r->err_status = err_page->overwrite; | |
441 | |
442 r->method = NGX_HTTP_GET; | |
443 r->method_name = ngx_http_get_name; | |
444 | |
445 r->zero_in_uri = 0; | |
446 | |
447 args = NULL; | |
448 | |
449 if (err_page->uri_lengths) { | |
450 if (ngx_http_script_run(r, &u, err_page->uri_lengths->elts, 0, | |
451 err_page->uri_values->elts) | |
452 == NULL) | |
453 { | |
454 return NGX_ERROR; | |
455 } | |
456 | |
457 p = u.data; | |
458 uri = &u; | |
459 | |
460 if (*p == '/') { | |
461 | |
462 last = p + uri->len; | |
463 | |
464 while (p < last) { | |
465 | |
466 ch = *p++; | |
467 | |
468 if (ch == '?') { | |
469 a.len = last - p; | |
470 a.data = p; | |
471 args = &a; | |
472 | |
473 u.len = p - 1 - u.data; | |
474 | |
475 while (p < last) { | |
476 if (*p++ == '\0') { | |
477 r->zero_in_uri = 1; | |
478 break; | |
479 } | |
480 } | |
481 | |
482 break; | |
483 } | |
484 | |
485 if (ch == '\0') { | |
486 r->zero_in_uri = 1; | |
487 continue; | |
488 } | |
489 } | |
490 } | |
491 | |
492 } else { | |
493 uri = &err_page->uri; | |
494 } | |
495 | |
496 if (uri->data[0] == '/') { | |
497 return ngx_http_internal_redirect(r, uri, args); | |
498 } | |
499 | |
500 if (uri->data[0] == '@') { | |
501 return ngx_http_named_location(r, uri); | |
502 } | |
503 | |
504 location = ngx_list_push(&r->headers_out.headers); | |
505 | |
506 if (location == NULL) { | |
507 return NGX_ERROR; | |
508 } | |
509 | |
510 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; | |
511 | |
512 location->hash = 1; | |
513 location->key.len = sizeof("Location") - 1; | |
514 location->key.data = (u_char *) "Location"; | |
515 location->value = *uri; | |
516 | |
517 r->headers_out.location = location; | |
518 | |
519 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
520 | |
521 if (clcf->msie_refresh && r->headers_in.msie) { | |
522 return ngx_http_send_refresh(r); | |
523 } | |
524 | |
525 return ngx_http_send_special_response(r, clcf, NGX_HTTP_MOVED_TEMPORARILY | |
526 - NGX_HTTP_MOVED_PERMANENTLY | |
527 + NGX_HTTP_LEVEL_200); | |
528 } | |
529 | |
530 | |
531 static ngx_int_t | |
532 ngx_http_send_special_response(ngx_http_request_t *r, | |
533 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) | |
534 { | |
535 u_char *tail; | |
536 size_t len; | |
537 ngx_int_t rc; | |
538 ngx_buf_t *b; | |
539 ngx_uint_t msie_padding; | |
540 ngx_chain_t out[3]; | |
541 | |
542 if (clcf->server_tokens) { | |
543 len = sizeof(ngx_http_error_full_tail) - 1; | |
544 tail = ngx_http_error_full_tail; | |
545 | |
546 } else { | |
547 len = sizeof(ngx_http_error_tail) - 1; | |
548 tail = ngx_http_error_tail; | |
549 } | |
550 | |
356
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551 msie_padding = 0; |
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552 |
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553 if (!r->zero_body) { |
1840 | 554 if (ngx_http_error_pages[err].len) { |
555 r->headers_out.content_length_n = ngx_http_error_pages[err].len | |
556 + len; | |
730
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557 if (clcf->msie_padding |
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558 && r->headers_in.msie |
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559 && r->http_version >= NGX_HTTP_VERSION_10 |
1840 | 560 && err >= NGX_HTTP_LEVEL_300) |
730
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561 { |
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562 r->headers_out.content_length_n += |
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563 sizeof(ngx_http_msie_stub) - 1; |
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564 msie_padding = 1; |
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565 } |
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566 |
1840 | 567 r->headers_out.content_type_len = sizeof("text/html") - 1; |
730
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568 r->headers_out.content_type.len = sizeof("text/html") - 1; |
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569 r->headers_out.content_type.data = (u_char *) "text/html"; |
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570 |
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571 } else { |
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572 r->headers_out.content_length_n = -1; |
331
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573 } |
99
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98
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574 |
68
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575 } else { |
730
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576 r->headers_out.content_length_n = 0; |
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577 err = 0; |
165
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578 } |
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579 |
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580 if (r->headers_out.content_length) { |
509 | 581 r->headers_out.content_length->hash = 0; |
153
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582 r->headers_out.content_length = NULL; |
68
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583 } |
24
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584 |
1840 | 585 ngx_http_clear_accept_ranges(r); |
586 ngx_http_clear_last_modified(r); | |
587 | |
588 rc = ngx_http_send_header(r); | |
589 | |
590 if (rc == NGX_ERROR || r->header_only) { | |
591 return rc; | |
592 } | |
593 | |
594 if (ngx_http_error_pages[err].len == 0) { | |
595 return NGX_OK; | |
596 } | |
597 | |
598 b = ngx_calloc_buf(r->pool); | |
599 if (b == NULL) { | |
600 return NGX_ERROR; | |
601 } | |
602 | |
603 b->memory = 1; | |
604 b->pos = ngx_http_error_pages[err].data; | |
605 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; | |
1311 | 606 |
1840 | 607 out[0].buf = b; |
608 out[0].next = &out[1]; | |
609 | |
610 b = ngx_calloc_buf(r->pool); | |
611 if (b == NULL) { | |
612 return NGX_ERROR; | |
613 } | |
614 | |
615 b->memory = 1; | |
616 | |
617 b->pos = tail; | |
618 b->last = tail + len; | |
1311 | 619 |
1840 | 620 out[1].buf = b; |
621 out[1].next = NULL;; | |
622 | |
623 if (msie_padding) { | |
624 b = ngx_calloc_buf(r->pool); | |
625 if (b == NULL) { | |
626 return NGX_ERROR; | |
627 } | |
628 | |
629 b->memory = 1; | |
630 b->pos = ngx_http_msie_stub; | |
631 b->last = ngx_http_msie_stub + sizeof(ngx_http_msie_stub) - 1; | |
1311 | 632 |
1840 | 633 out[1].next = &out[2]; |
634 out[2].buf = b; | |
635 out[2].next = NULL;; | |
636 } | |
637 | |
638 if (r == r->main) { | |
639 b->last_buf = 1; | |
640 } | |
641 | |
642 b->last_in_chain = 1; | |
643 | |
644 return ngx_http_output_filter(r, &out[0]); | |
645 } | |
646 | |
679 | 647 |
1840 | 648 static ngx_int_t |
649 ngx_http_send_refresh(ngx_http_request_t *r) | |
650 { | |
651 u_char *p, *location; | |
652 size_t len, size; | |
653 uintptr_t escape; | |
654 ngx_int_t rc; | |
655 ngx_buf_t *b; | |
656 ngx_chain_t out; | |
657 | |
658 len = r->headers_out.location->value.len; | |
659 location = r->headers_out.location->value.data; | |
660 | |
661 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); | |
1311 | 662 |
1840 | 663 size = sizeof(ngx_http_msie_refresh_head) - 1 |
664 + escape + len | |
665 + sizeof(ngx_http_msie_refresh_tail) - 1; | |
666 | |
667 r->err_status = NGX_HTTP_OK; | |
668 | |
669 r->headers_out.content_type_len = sizeof("text/html") - 1; | |
670 r->headers_out.content_type.len = sizeof("text/html") - 1; | |
671 r->headers_out.content_type.data = (u_char *) "text/html"; | |
672 | |
673 r->headers_out.location->hash = 0; | |
674 r->headers_out.location = NULL; | |
675 | |
676 r->headers_out.content_length_n = size; | |
677 | |
678 if (r->headers_out.content_length) { | |
679 r->headers_out.content_length->hash = 0; | |
680 r->headers_out.content_length = NULL; | |
679 | 681 } |
682 | |
577 | 683 ngx_http_clear_accept_ranges(r); |
684 ngx_http_clear_last_modified(r); | |
685 | |
103
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|
686 rc = ngx_http_send_header(r); |
142
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687 |
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688 if (rc == NGX_ERROR || r->header_only) { |
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689 return rc; |
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690 } |
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691 |
1840 | 692 b = ngx_create_temp_buf(r->pool, size); |
693 if (b == NULL) { | |
694 return NGX_ERROR; | |
695 } | |
1725 | 696 |
1840 | 697 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
698 sizeof(ngx_http_msie_refresh_head) - 1); | |
679 | 699 |
1840 | 700 if (escape == 0) { |
701 p = ngx_cpymem(p, location, len); | |
679 | 702 |
703 } else { | |
1840 | 704 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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705 } |
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706 |
1840 | 707 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
708 sizeof(ngx_http_msie_refresh_tail) - 1); | |
509 | 709 |
1840 | 710 b->last_buf = 1; |
509 | 711 b->last_in_chain = 1; |
103
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712 |
1840 | 713 out.buf = b; |
714 out.next = NULL; | |
501 | 715 |
1840 | 716 return ngx_http_output_filter(r, &out); |
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717 } |