Mercurial > hg > nginx-quic
annotate src/http/ngx_http_special_response.c @ 4160:88369902edb1 stable-1.0
Merging r4010, r4065:
SSL related fixes:
*) Fixing proxy_set_body and proxy_pass_request_body with SSL.
Flush flag wasn't set in constructed buffer and this prevented any data
from being actually sent to upstream due to SSL buffering. Make sure
we always set flush in the last buffer we are going to sent.
See here for report:
http://nginx.org/pipermail/nginx-ru/2011-June/041552.html
*) Proper SSL shutdown handling.
If connection has unsent alerts, SSL_shutdown() tries to send them even
if SSL_set_shutdown(SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN) was used.
This can be prevented by SSL_set_quiet_shutdown(). SSL_set_shutdown()
is required nevertheless to preserve session.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Sep 2011 13:42:59 +0000 |
parents | 39ad979cd31e |
children | 55acacac22df 6afb20bf2ad5 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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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> |
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13 static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r, |
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14 ngx_http_err_page_t *err_page); |
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15 static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r, |
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16 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err); |
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17 static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); |
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18 |
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19 |
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20 static u_char ngx_http_error_full_tail[] = |
1592 | 21 "<hr><center>" NGINX_VER "</center>" CRLF |
22 "</body>" CRLF | |
23 "</html>" CRLF | |
24 ; | |
25 | |
26 | |
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27 static u_char ngx_http_error_tail[] = |
1592 | 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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33 |
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34 static u_char ngx_http_msie_padding[] = |
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35 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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36 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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37 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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38 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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39 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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40 "<!-- a padding to disable MSIE and Chrome 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 | |
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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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59 |
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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 |
3631 | 68 static char ngx_http_error_303_page[] = |
69 "<html>" CRLF | |
70 "<head><title>303 See Other</title></head>" CRLF | |
71 "<body bgcolor=\"white\">" CRLF | |
72 "<center><h1>303 See Other</h1></center>" CRLF | |
73 ; | |
74 | |
75 | |
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76 static char ngx_http_error_400_page[] = |
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77 "<html>" CRLF |
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78 "<head><title>400 Bad Request</title></head>" CRLF |
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79 "<body bgcolor=\"white\">" CRLF |
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80 "<center><h1>400 Bad Request</h1></center>" CRLF |
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81 ; |
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82 |
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84 static char ngx_http_error_401_page[] = |
499 | 85 "<html>" CRLF |
503 | 86 "<head><title>401 Authorization Required</title></head>" CRLF |
499 | 87 "<body bgcolor=\"white\">" CRLF |
503 | 88 "<center><h1>401 Authorization Required</h1></center>" CRLF |
499 | 89 ; |
90 | |
91 | |
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92 static char ngx_http_error_402_page[] = |
499 | 93 "<html>" CRLF |
94 "<head><title>402 Payment Required</title></head>" CRLF | |
95 "<body bgcolor=\"white\">" CRLF | |
96 "<center><h1>402 Payment Required</h1></center>" CRLF | |
97 ; | |
98 | |
99 | |
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100 static char ngx_http_error_403_page[] = |
45
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101 "<html>" CRLF |
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102 "<head><title>403 Forbidden</title></head>" CRLF |
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103 "<body bgcolor=\"white\">" CRLF |
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104 "<center><h1>403 Forbidden</h1></center>" CRLF |
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105 ; |
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106 |
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108 static char ngx_http_error_404_page[] = |
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109 "<html>" CRLF |
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110 "<head><title>404 Not Found</title></head>" CRLF |
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111 "<body bgcolor=\"white\">" CRLF |
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112 "<center><h1>404 Not Found</h1></center>" CRLF |
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113 ; |
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116 static char ngx_http_error_405_page[] = |
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117 "<html>" CRLF |
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118 "<head><title>405 Not Allowed</title></head>" CRLF |
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119 "<body bgcolor=\"white\">" CRLF |
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120 "<center><h1>405 Not Allowed</h1></center>" CRLF |
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121 ; |
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124 static char ngx_http_error_406_page[] = |
499 | 125 "<html>" CRLF |
126 "<head><title>406 Not Acceptable</title></head>" CRLF | |
127 "<body bgcolor=\"white\">" CRLF | |
128 "<center><h1>406 Not Acceptable</h1></center>" CRLF | |
129 ; | |
130 | |
131 | |
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132 static char ngx_http_error_408_page[] = |
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133 "<html>" CRLF |
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134 "<head><title>408 Request Time-out</title></head>" CRLF |
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135 "<body bgcolor=\"white\">" CRLF |
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136 "<center><h1>408 Request Time-out</h1></center>" CRLF |
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137 ; |
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138 |
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139 |
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140 static char ngx_http_error_409_page[] = |
637 | 141 "<html>" CRLF |
142 "<head><title>409 Conflict</title></head>" CRLF | |
143 "<body bgcolor=\"white\">" CRLF | |
144 "<center><h1>409 Conflict</h1></center>" CRLF | |
145 ; | |
146 | |
147 | |
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148 static char ngx_http_error_410_page[] = |
499 | 149 "<html>" CRLF |
150 "<head><title>410 Gone</title></head>" CRLF | |
151 "<body bgcolor=\"white\">" CRLF | |
152 "<center><h1>410 Gone</h1></center>" CRLF | |
153 ; | |
154 | |
155 | |
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156 static char ngx_http_error_411_page[] = |
581 | 157 "<html>" CRLF |
158 "<head><title>411 Length Required</title></head>" CRLF | |
159 "<body bgcolor=\"white\">" CRLF | |
160 "<center><h1>411 Length Required</h1></center>" CRLF | |
161 ; | |
162 | |
163 | |
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164 static char ngx_http_error_412_page[] = |
1057 | 165 "<html>" CRLF |
166 "<head><title>412 Precondition Failed</title></head>" CRLF | |
167 "<body bgcolor=\"white\">" CRLF | |
168 "<center><h1>412 Precondition Failed</h1></center>" CRLF | |
169 ; | |
170 | |
171 | |
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172 static char ngx_http_error_413_page[] = |
162
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173 "<html>" CRLF |
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174 "<head><title>413 Request Entity Too Large</title></head>" CRLF |
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175 "<body bgcolor=\"white\">" CRLF |
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176 "<center><h1>413 Request Entity Too Large</h1></center>" CRLF |
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177 ; |
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178 |
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179 |
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180 static char ngx_http_error_414_page[] = |
67
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181 "<html>" CRLF |
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182 "<head><title>414 Request-URI Too Large</title></head>" CRLF |
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183 "<body bgcolor=\"white\">" CRLF |
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184 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF |
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185 ; |
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186 |
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187 |
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188 static char ngx_http_error_415_page[] = |
637 | 189 "<html>" CRLF |
190 "<head><title>415 Unsupported Media Type</title></head>" CRLF | |
191 "<body bgcolor=\"white\">" CRLF | |
192 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF | |
193 ; | |
194 | |
195 | |
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196 static char ngx_http_error_416_page[] = |
99
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197 "<html>" CRLF |
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198 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
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199 "<body bgcolor=\"white\">" CRLF |
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200 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
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201 ; |
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202 |
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203 |
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204 static char ngx_http_error_494_page[] = |
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205 "<html>" CRLF |
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206 "<head><title>400 Request Header Or Cookie Too Large</title></head>" |
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207 CRLF |
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208 "<body bgcolor=\"white\">" CRLF |
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209 "<center><h1>400 Bad Request</h1></center>" CRLF |
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210 "<center>Request Header Or Cookie Too Large</center>" CRLF |
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211 ; |
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212 |
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213 |
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214 static char ngx_http_error_495_page[] = |
647 | 215 "<html>" CRLF |
216 "<head><title>400 The SSL certificate error</title></head>" | |
217 CRLF | |
218 "<body bgcolor=\"white\">" CRLF | |
219 "<center><h1>400 Bad Request</h1></center>" CRLF | |
220 "<center>The SSL certificate error</center>" CRLF | |
221 ; | |
222 | |
223 | |
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224 static char ngx_http_error_496_page[] = |
647 | 225 "<html>" CRLF |
226 "<head><title>400 No required SSL certificate was sent</title></head>" | |
227 CRLF | |
228 "<body bgcolor=\"white\">" CRLF | |
229 "<center><h1>400 Bad Request</h1></center>" CRLF | |
230 "<center>No required SSL certificate was sent</center>" CRLF | |
231 ; | |
232 | |
233 | |
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234 static char ngx_http_error_497_page[] = |
384
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235 "<html>" CRLF |
396
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236 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
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237 CRLF |
384
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238 "<body bgcolor=\"white\">" CRLF |
396
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239 "<center><h1>400 Bad Request</h1></center>" CRLF |
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240 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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241 ; |
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242 |
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243 |
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244 static char ngx_http_error_500_page[] = |
47
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245 "<html>" CRLF |
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246 "<head><title>500 Internal Server Error</title></head>" CRLF |
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247 "<body bgcolor=\"white\">" CRLF |
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248 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
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249 ; |
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250 |
26
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251 |
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252 static char ngx_http_error_501_page[] = |
233
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253 "<html>" CRLF |
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254 "<head><title>501 Method Not Implemented</title></head>" CRLF |
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255 "<body bgcolor=\"white\">" CRLF |
535 | 256 "<center><h1>501 Method Not Implemented</h1></center>" CRLF |
233
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257 ; |
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258 |
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259 |
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260 static char ngx_http_error_502_page[] = |
69
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261 "<html>" CRLF |
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262 "<head><title>502 Bad Gateway</title></head>" CRLF |
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263 "<body bgcolor=\"white\">" CRLF |
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264 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
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265 ; |
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266 |
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267 |
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268 static char ngx_http_error_503_page[] = |
162
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269 "<html>" CRLF |
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270 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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271 "<body bgcolor=\"white\">" CRLF |
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272 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
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273 ; |
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274 |
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275 |
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276 static char ngx_http_error_504_page[] = |
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277 "<html>" CRLF |
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278 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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279 "<body bgcolor=\"white\">" CRLF |
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280 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
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281 ; |
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282 |
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283 |
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284 static char ngx_http_error_507_page[] = |
637 | 285 "<html>" CRLF |
286 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
287 "<body bgcolor=\"white\">" CRLF | |
288 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
289 ; | |
290 | |
291 | |
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292 static ngx_str_t ngx_http_error_pages[] = { |
499 | 293 |
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294 ngx_null_string, /* 201, 204 */ |
511 | 295 |
2696 | 296 #define NGX_HTTP_LAST_LEVEL_200 202 |
297 #define NGX_HTTP_LEVEL_200 (NGX_HTTP_LAST_LEVEL_200 - 201) | |
511 | 298 |
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299 /* ngx_null_string, */ /* 300 */ |
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300 ngx_string(ngx_http_error_301_page), |
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301 ngx_string(ngx_http_error_302_page), |
3631 | 302 ngx_string(ngx_http_error_303_page), |
26
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303 |
2696 | 304 #define NGX_HTTP_LAST_LEVEL_300 304 |
305 #define NGX_HTTP_LEVEL_300 (NGX_HTTP_LAST_LEVEL_300 - 301) | |
499 | 306 |
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307 ngx_string(ngx_http_error_400_page), |
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308 ngx_string(ngx_http_error_401_page), |
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309 ngx_string(ngx_http_error_402_page), |
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310 ngx_string(ngx_http_error_403_page), |
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311 ngx_string(ngx_http_error_404_page), |
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312 ngx_string(ngx_http_error_405_page), |
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313 ngx_string(ngx_http_error_406_page), |
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314 ngx_null_string, /* 407 */ |
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315 ngx_string(ngx_http_error_408_page), |
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316 ngx_string(ngx_http_error_409_page), |
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317 ngx_string(ngx_http_error_410_page), |
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318 ngx_string(ngx_http_error_411_page), |
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319 ngx_string(ngx_http_error_412_page), |
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320 ngx_string(ngx_http_error_413_page), |
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321 ngx_string(ngx_http_error_414_page), |
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322 ngx_string(ngx_http_error_415_page), |
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323 ngx_string(ngx_http_error_416_page), |
26
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324 |
2696 | 325 #define NGX_HTTP_LAST_LEVEL_400 417 |
326 #define NGX_HTTP_LEVEL_400 (NGX_HTTP_LAST_LEVEL_400 - 400) | |
499 | 327 |
3848
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328 ngx_string(ngx_http_error_494_page), /* 494, request header too large */ |
1604
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329 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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330 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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331 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 332 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
1604
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333 ngx_null_string, /* 499, client has closed connection */ |
335
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diff
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|
334 |
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335 ngx_string(ngx_http_error_500_page), |
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336 ngx_string(ngx_http_error_501_page), |
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337 ngx_string(ngx_http_error_502_page), |
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338 ngx_string(ngx_http_error_503_page), |
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339 ngx_string(ngx_http_error_504_page), |
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340 ngx_null_string, /* 505 */ |
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341 ngx_null_string, /* 506 */ |
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342 ngx_string(ngx_http_error_507_page) |
2696 | 343 |
344 #define NGX_HTTP_LAST_LEVEL_500 508 | |
345 | |
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346 }; |
24
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347 |
59
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348 |
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349 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " }; |
716
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350 |
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351 |
487 | 352 ngx_int_t |
353 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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354 { |
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355 ngx_uint_t i, err; |
176
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356 ngx_http_err_page_t *err_page; |
158
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diff
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357 ngx_http_core_loc_conf_t *clcf; |
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358 |
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359 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2037 | 360 "http special response: %d, \"%V?%V\"", |
361 error, &r->uri, &r->args); | |
527 | 362 |
677 | 363 r->err_status = error; |
26
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364 |
2019 | 365 if (r->keepalive) { |
68
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366 switch (error) { |
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367 case NGX_HTTP_BAD_REQUEST: |
162
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diff
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368 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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369 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
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370 case NGX_HTTP_TO_HTTPS: |
647 | 371 case NGX_HTTPS_CERT_ERROR: |
372 case NGX_HTTPS_NO_CERT: | |
68
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373 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
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374 r->keepalive = 0; |
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375 } |
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376 } |
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377 |
88
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378 if (r->lingering_close == 1) { |
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379 switch (error) { |
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380 case NGX_HTTP_BAD_REQUEST: |
384
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diff
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381 case NGX_HTTP_TO_HTTPS: |
647 | 382 case NGX_HTTPS_CERT_ERROR: |
383 case NGX_HTTPS_NO_CERT: | |
88
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384 r->lingering_close = 0; |
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385 } |
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386 } |
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387 |
675 | 388 r->headers_out.content_type.len = 0; |
389 | |
176
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390 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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391 |
2174
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disable error_page loop in 500 error when recursive errors are enabled
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|
392 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 393 |
394 if (clcf->recursive_error_pages == 0) { | |
395 r->error_page = 1; | |
396 } | |
477 | 397 |
176
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398 err_page = clcf->error_pages->elts; |
477 | 399 |
176
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400 for (i = 0; i < clcf->error_pages->nelts; i++) { |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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323
diff
changeset
|
401 if (err_page[i].status == error) { |
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402 return ngx_http_send_error_page(r, &err_page[i]); |
176
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403 } |
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404 } |
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405 } |
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406 |
2436
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|
407 r->expect_tested = 1; |
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408 |
2191
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|
409 if (ngx_http_discard_request_body(r) != NGX_OK) { |
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410 error = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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411 } |
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|
412 |
1604
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413 if (clcf->msie_refresh |
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414 && r->headers_in.msie |
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415 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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|
416 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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417 { |
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418 return ngx_http_send_refresh(r); |
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419 } |
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|
420 |
633 | 421 if (error == NGX_HTTP_CREATED) { |
422 /* 201 */ | |
423 err = 0; | |
637 | 424 r->header_only = 1; |
633 | 425 |
426 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 427 /* 204 */ |
428 err = 0; | |
429 | |
2696 | 430 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
431 && error < NGX_HTTP_LAST_LEVEL_300) | |
432 { | |
176
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433 /* 3XX */ |
513 | 434 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200; |
176
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435 |
2696 | 436 } else if (error >= NGX_HTTP_BAD_REQUEST |
437 && error < NGX_HTTP_LAST_LEVEL_400) | |
438 { | |
176
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439 /* 4XX */ |
511 | 440 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200 |
441 + NGX_HTTP_LEVEL_300; | |
176
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442 |
3845
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rename NGX_HTTP_OWN_CODES to NGX_HTTP_NGINX_CODES
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3781
diff
changeset
|
443 } else if (error >= NGX_HTTP_NGINX_CODES |
2696 | 444 && error < NGX_HTTP_LAST_LEVEL_500) |
445 { | |
335
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diff
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|
446 /* 49X, 5XX */ |
3845
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447 err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_LEVEL_200 |
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448 + NGX_HTTP_LEVEL_300 |
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449 + NGX_HTTP_LEVEL_400; |
335
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450 switch (error) { |
384
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451 case NGX_HTTP_TO_HTTPS: |
647 | 452 case NGX_HTTPS_CERT_ERROR: |
453 case NGX_HTTPS_NO_CERT: | |
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454 case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: |
679 | 455 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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456 break; |
335
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457 } |
2696 | 458 |
459 } else { | |
460 /* unknown code, zero body */ | |
461 err = 0; | |
176
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462 } |
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463 |
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464 return ngx_http_send_special_response(r, clcf, err); |
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465 } |
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466 |
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467 |
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468 ngx_int_t |
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469 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, |
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470 ngx_int_t error) |
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471 { |
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472 void *ctx; |
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473 ngx_int_t rc; |
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474 |
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475 ngx_http_clean_header(r); |
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476 |
2822 | 477 ctx = NULL; |
478 | |
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479 if (m) { |
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480 ctx = r->ctx[m->ctx_index]; |
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481 } |
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482 |
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483 /* clear the modules contexts */ |
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484 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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485 |
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486 if (m) { |
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487 r->ctx[m->ctx_index] = ctx; |
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488 } |
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489 |
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490 r->filter_finalize = 1; |
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491 |
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492 rc = ngx_http_special_response_handler(r, error); |
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493 |
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494 /* NGX_ERROR resets any pending data */ |
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495 |
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496 switch (rc) { |
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497 |
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498 case NGX_OK: |
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499 case NGX_DONE: |
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500 return NGX_ERROR; |
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501 |
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502 default: |
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503 return rc; |
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504 } |
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505 } |
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506 |
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507 |
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508 void |
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509 ngx_http_clean_header(ngx_http_request_t *r) |
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510 { |
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511 ngx_memzero(&r->headers_out.status, |
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512 sizeof(ngx_http_headers_out_t) |
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513 - offsetof(ngx_http_headers_out_t, status)); |
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|
514 |
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|
515 r->headers_out.headers.part.nelts = 0; |
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516 r->headers_out.headers.part.next = NULL; |
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517 r->headers_out.headers.last = &r->headers_out.headers.part; |
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518 |
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519 r->headers_out.content_length_n = -1; |
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520 r->headers_out.last_modified_time = -1; |
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521 } |
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522 |
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523 |
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524 static ngx_int_t |
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525 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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526 { |
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527 ngx_int_t overwrite; |
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528 ngx_str_t uri, args; |
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529 ngx_table_elt_t *location; |
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530 ngx_http_core_loc_conf_t *clcf; |
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531 |
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|
532 overwrite = err_page->overwrite; |
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|
533 |
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534 if (overwrite && overwrite != NGX_HTTP_OK) { |
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|
535 r->expect_tested = 1; |
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536 } |
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|
537 |
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|
538 if (overwrite >= 0) { |
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539 r->err_status = overwrite; |
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540 } |
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541 |
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542 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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543 return NGX_ERROR; |
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544 } |
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545 |
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|
546 if (uri.data[0] == '/') { |
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547 |
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548 if (err_page->value.lengths) { |
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|
549 ngx_http_split_args(r, &uri, &args); |
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550 |
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551 } else { |
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552 args = err_page->args; |
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|
553 } |
1922
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|
554 |
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|
555 if (r->method != NGX_HTTP_HEAD) { |
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|
556 r->method = NGX_HTTP_GET; |
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|
557 r->method_name = ngx_http_get_name; |
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|
558 } |
1922
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|
559 |
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|
560 return ngx_http_internal_redirect(r, &uri, &args); |
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561 } |
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562 |
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|
563 if (uri.data[0] == '@') { |
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|
564 return ngx_http_named_location(r, &uri); |
1604
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565 } |
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566 |
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567 location = ngx_list_push(&r->headers_out.headers); |
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568 |
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569 if (location == NULL) { |
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570 return NGX_ERROR; |
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571 } |
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572 |
3860
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573 if (overwrite >= NGX_HTTP_MOVED_PERMANENTLY |
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574 && overwrite <= NGX_HTTP_SEE_OTHER) |
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575 { |
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576 r->err_status = overwrite; |
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577 |
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578 } else { |
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579 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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580 } |
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581 |
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582 location->hash = 1; |
3516
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583 ngx_str_set(&location->key, "Location"); |
2589
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584 location->value = uri; |
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585 |
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586 r->headers_out.location = location; |
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587 |
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588 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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589 |
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590 if (clcf->msie_refresh && r->headers_in.msie) { |
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591 return ngx_http_send_refresh(r); |
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592 } |
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593 |
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594 return ngx_http_send_special_response(r, clcf, r->err_status |
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595 - NGX_HTTP_MOVED_PERMANENTLY |
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596 + NGX_HTTP_LEVEL_200); |
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597 } |
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598 |
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599 |
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600 static ngx_int_t |
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601 ngx_http_send_special_response(ngx_http_request_t *r, |
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602 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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603 { |
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604 u_char *tail; |
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605 size_t len; |
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606 ngx_int_t rc; |
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607 ngx_buf_t *b; |
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608 ngx_uint_t msie_padding; |
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609 ngx_chain_t out[3]; |
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610 |
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611 if (clcf->server_tokens) { |
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612 len = sizeof(ngx_http_error_full_tail) - 1; |
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613 tail = ngx_http_error_full_tail; |
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614 |
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615 } else { |
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616 len = sizeof(ngx_http_error_tail) - 1; |
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617 tail = ngx_http_error_tail; |
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618 } |
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619 |
356
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|
620 msie_padding = 0; |
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621 |
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622 if (ngx_http_error_pages[err].len) { |
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623 r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; |
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624 if (clcf->msie_padding |
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625 && (r->headers_in.msie || r->headers_in.chrome) |
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626 && r->http_version >= NGX_HTTP_VERSION_10 |
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627 && err >= NGX_HTTP_LEVEL_300) |
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628 { |
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629 r->headers_out.content_length_n += |
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630 sizeof(ngx_http_msie_padding) - 1; |
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631 msie_padding = 1; |
331
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nginx-0.0.3-2004-05-04-21:56:58 import
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|
632 } |
99
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diff
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|
633 |
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634 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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635 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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636 r->headers_out.content_type_lowcase = NULL; |
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|
637 |
68
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|
638 } else { |
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|
639 r->headers_out.content_length_n = -1; |
165
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640 } |
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|
641 |
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642 if (r->headers_out.content_length) { |
509 | 643 r->headers_out.content_length->hash = 0; |
153
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|
644 r->headers_out.content_length = NULL; |
68
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645 } |
24
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|
646 |
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647 ngx_http_clear_accept_ranges(r); |
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648 ngx_http_clear_last_modified(r); |
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649 |
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650 rc = ngx_http_send_header(r); |
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651 |
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652 if (rc == NGX_ERROR || r->header_only) { |
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653 return rc; |
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654 } |
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655 |
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656 if (ngx_http_error_pages[err].len == 0) { |
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657 return NGX_OK; |
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658 } |
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659 |
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660 b = ngx_calloc_buf(r->pool); |
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661 if (b == NULL) { |
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662 return NGX_ERROR; |
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663 } |
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664 |
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665 b->memory = 1; |
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666 b->pos = ngx_http_error_pages[err].data; |
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667 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
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668 |
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669 out[0].buf = b; |
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670 out[0].next = &out[1]; |
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671 |
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672 b = ngx_calloc_buf(r->pool); |
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673 if (b == NULL) { |
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674 return NGX_ERROR; |
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675 } |
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676 |
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677 b->memory = 1; |
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678 |
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679 b->pos = tail; |
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680 b->last = tail + len; |
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681 |
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682 out[1].buf = b; |
2024 | 683 out[1].next = NULL; |
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|
684 |
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685 if (msie_padding) { |
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686 b = ngx_calloc_buf(r->pool); |
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687 if (b == NULL) { |
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688 return NGX_ERROR; |
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689 } |
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690 |
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691 b->memory = 1; |
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692 b->pos = ngx_http_msie_padding; |
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693 b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; |
1298
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694 |
1604
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695 out[1].next = &out[2]; |
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696 out[2].buf = b; |
2024 | 697 out[2].next = NULL; |
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698 } |
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699 |
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700 if (r == r->main) { |
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701 b->last_buf = 1; |
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702 } |
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703 |
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704 b->last_in_chain = 1; |
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705 |
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706 return ngx_http_output_filter(r, &out[0]); |
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707 } |
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708 |
679 | 709 |
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710 static ngx_int_t |
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711 ngx_http_send_refresh(ngx_http_request_t *r) |
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712 { |
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713 u_char *p, *location; |
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714 size_t len, size; |
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715 uintptr_t escape; |
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716 ngx_int_t rc; |
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717 ngx_buf_t *b; |
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718 ngx_chain_t out; |
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719 |
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720 len = r->headers_out.location->value.len; |
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721 location = r->headers_out.location->value.data; |
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722 |
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723 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
1298
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724 |
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725 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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726 + escape + len |
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727 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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728 |
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729 r->err_status = NGX_HTTP_OK; |
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730 |
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731 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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732 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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733 r->headers_out.content_type_lowcase = NULL; |
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734 |
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735 r->headers_out.location->hash = 0; |
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736 r->headers_out.location = NULL; |
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737 |
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738 r->headers_out.content_length_n = size; |
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739 |
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740 if (r->headers_out.content_length) { |
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741 r->headers_out.content_length->hash = 0; |
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742 r->headers_out.content_length = NULL; |
679 | 743 } |
744 | |
577 | 745 ngx_http_clear_accept_ranges(r); |
746 ngx_http_clear_last_modified(r); | |
747 | |
103
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748 rc = ngx_http_send_header(r); |
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749 |
143
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750 if (rc == NGX_ERROR || r->header_only) { |
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751 return rc; |
103
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752 } |
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753 |
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754 b = ngx_create_temp_buf(r->pool, size); |
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755 if (b == NULL) { |
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756 return NGX_ERROR; |
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757 } |
1592 | 758 |
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759 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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760 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 761 |
1604
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762 if (escape == 0) { |
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763 p = ngx_cpymem(p, location, len); |
679 | 764 |
765 } else { | |
1604
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|
766 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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|
767 } |
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|
768 |
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|
769 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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770 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 771 |
1604
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772 b->last_buf = 1; |
509 | 773 b->last_in_chain = 1; |
103
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|
774 |
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775 out.buf = b; |
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776 out.next = NULL; |
501 | 777 |
1604
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|
778 return ngx_http_output_filter(r, &out); |
24
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|
779 } |