Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 2819:43fe53832da7
handle big responses for "size" and "test" image_filters
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 08 May 2009 14:25:51 +0000 |
parents | 3daf68f2efe3 |
children | 26e06e009ced |
rev | line source |
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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 |
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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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32 |
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33 |
501 | 34 static u_char ngx_http_msie_stub[] = |
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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 | |
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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 |
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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 |
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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 | |
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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 | |
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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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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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106 |
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107 |
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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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114 |
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115 |
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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 | |
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124 static char ngx_http_error_408_page[] = |
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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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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 | |
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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 | |
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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 | |
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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 | |
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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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170 |
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171 |
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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 |
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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_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 | |
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188 static char ngx_http_error_416_page[] = |
99
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189 "<html>" CRLF |
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190 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
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191 "<body bgcolor=\"white\">" CRLF |
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192 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
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193 ; |
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194 |
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195 |
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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 | |
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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 | |
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216 static char ngx_http_error_497_page[] = |
384
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217 "<html>" CRLF |
396
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218 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
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219 CRLF |
384
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220 "<body bgcolor=\"white\">" CRLF |
396
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221 "<center><h1>400 Bad Request</h1></center>" CRLF |
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222 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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223 ; |
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224 |
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225 |
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226 static char ngx_http_error_500_page[] = |
47
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227 "<html>" CRLF |
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228 "<head><title>500 Internal Server Error</title></head>" CRLF |
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229 "<body bgcolor=\"white\">" CRLF |
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230 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
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231 ; |
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232 |
26
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233 |
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234 static char ngx_http_error_501_page[] = |
233
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235 "<html>" CRLF |
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236 "<head><title>501 Method Not Implemented</title></head>" CRLF |
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237 "<body bgcolor=\"white\">" CRLF |
535 | 238 "<center><h1>501 Method Not Implemented</h1></center>" CRLF |
233
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239 ; |
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240 |
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241 |
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242 static char ngx_http_error_502_page[] = |
69
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243 "<html>" CRLF |
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244 "<head><title>502 Bad Gateway</title></head>" CRLF |
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245 "<body bgcolor=\"white\">" CRLF |
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246 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
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247 ; |
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248 |
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249 |
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250 static char ngx_http_error_503_page[] = |
162
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251 "<html>" CRLF |
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252 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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253 "<body bgcolor=\"white\">" CRLF |
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254 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
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255 ; |
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256 |
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257 |
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258 static char ngx_http_error_504_page[] = |
69
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259 "<html>" CRLF |
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260 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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261 "<body bgcolor=\"white\">" CRLF |
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262 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
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263 ; |
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264 |
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265 |
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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 | |
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274 static ngx_str_t ngx_http_error_pages[] = { |
499 | 275 |
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276 ngx_null_string, /* 201, 204 */ |
511 | 277 |
2696 | 278 #define NGX_HTTP_LAST_LEVEL_200 202 |
279 #define NGX_HTTP_LEVEL_200 (NGX_HTTP_LAST_LEVEL_200 - 201) | |
511 | 280 |
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281 /* ngx_null_string, */ /* 300 */ |
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282 ngx_string(ngx_http_error_301_page), |
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283 ngx_string(ngx_http_error_302_page), |
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284 ngx_null_string, /* 303 */ |
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285 |
2696 | 286 #define NGX_HTTP_LAST_LEVEL_300 304 |
287 #define NGX_HTTP_LEVEL_300 (NGX_HTTP_LAST_LEVEL_300 - 301) | |
499 | 288 |
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289 ngx_string(ngx_http_error_400_page), |
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290 ngx_string(ngx_http_error_401_page), |
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291 ngx_string(ngx_http_error_402_page), |
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292 ngx_string(ngx_http_error_403_page), |
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293 ngx_string(ngx_http_error_404_page), |
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294 ngx_string(ngx_http_error_405_page), |
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295 ngx_string(ngx_http_error_406_page), |
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296 ngx_null_string, /* 407 */ |
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297 ngx_string(ngx_http_error_408_page), |
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298 ngx_string(ngx_http_error_409_page), |
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299 ngx_string(ngx_http_error_410_page), |
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300 ngx_string(ngx_http_error_411_page), |
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301 ngx_string(ngx_http_error_412_page), |
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302 ngx_string(ngx_http_error_413_page), |
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303 ngx_string(ngx_http_error_414_page), |
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304 ngx_string(ngx_http_error_415_page), |
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305 ngx_string(ngx_http_error_416_page), |
26
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306 |
2696 | 307 #define NGX_HTTP_LAST_LEVEL_400 417 |
308 #define NGX_HTTP_LEVEL_400 (NGX_HTTP_LAST_LEVEL_400 - 400) | |
499 | 309 |
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310 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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311 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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312 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 313 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
1604
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314 ngx_null_string, /* 499, client has closed connection */ |
335
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315 |
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316 ngx_string(ngx_http_error_500_page), |
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317 ngx_string(ngx_http_error_501_page), |
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318 ngx_string(ngx_http_error_502_page), |
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319 ngx_string(ngx_http_error_503_page), |
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320 ngx_string(ngx_http_error_504_page), |
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321 ngx_null_string, /* 505 */ |
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322 ngx_null_string, /* 506 */ |
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323 ngx_string(ngx_http_error_507_page) |
2696 | 324 |
325 #define NGX_HTTP_LAST_LEVEL_500 508 | |
326 | |
26
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327 }; |
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328 |
59
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329 |
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330 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " }; |
716
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331 |
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332 |
487 | 333 ngx_int_t |
334 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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335 { |
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336 ngx_uint_t i, err; |
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337 ngx_http_err_page_t *err_page; |
158
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338 ngx_http_core_loc_conf_t *clcf; |
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339 |
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340 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2037 | 341 "http special response: %d, \"%V?%V\"", |
342 error, &r->uri, &r->args); | |
527 | 343 |
677 | 344 r->err_status = error; |
26
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345 |
2019 | 346 if (r->keepalive) { |
68
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347 switch (error) { |
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348 case NGX_HTTP_BAD_REQUEST: |
162
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349 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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350 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
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351 case NGX_HTTP_TO_HTTPS: |
647 | 352 case NGX_HTTPS_CERT_ERROR: |
353 case NGX_HTTPS_NO_CERT: | |
68
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354 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
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355 r->keepalive = 0; |
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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 |
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373 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 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) { |
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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 |
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388 r->expect_tested = 1; |
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389 |
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390 if (ngx_http_discard_request_body(r) != NGX_OK) { |
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391 error = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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392 } |
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393 |
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394 if (clcf->msie_refresh |
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395 && r->headers_in.msie |
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396 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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397 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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398 { |
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399 return ngx_http_send_refresh(r); |
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400 } |
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401 |
633 | 402 if (error == NGX_HTTP_CREATED) { |
403 /* 201 */ | |
404 err = 0; | |
637 | 405 r->header_only = 1; |
633 | 406 |
407 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 408 /* 204 */ |
409 err = 0; | |
410 | |
2696 | 411 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
412 && error < NGX_HTTP_LAST_LEVEL_300) | |
413 { | |
176
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414 /* 3XX */ |
513 | 415 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200; |
176
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416 |
2696 | 417 } else if (error >= NGX_HTTP_BAD_REQUEST |
418 && error < NGX_HTTP_LAST_LEVEL_400) | |
419 { | |
176
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420 /* 4XX */ |
511 | 421 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200 |
422 + NGX_HTTP_LEVEL_300; | |
176
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423 |
2696 | 424 } else if (error >= NGX_HTTP_OWN_CODES |
425 && error < NGX_HTTP_LAST_LEVEL_500) | |
426 { | |
335
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427 /* 49X, 5XX */ |
587 | 428 err = error - NGX_HTTP_OWN_CODES + NGX_HTTP_LEVEL_200 |
511 | 429 + NGX_HTTP_LEVEL_300 |
499 | 430 + NGX_HTTP_LEVEL_400; |
335
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431 switch (error) { |
384
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432 case NGX_HTTP_TO_HTTPS: |
647 | 433 case NGX_HTTPS_CERT_ERROR: |
434 case NGX_HTTPS_NO_CERT: | |
679 | 435 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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|
436 break; |
335
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|
437 } |
2696 | 438 |
439 } else { | |
440 /* unknown code, zero body */ | |
441 err = 0; | |
176
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442 } |
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443 |
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444 return ngx_http_send_special_response(r, clcf, err); |
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445 } |
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446 |
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447 |
2787
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|
448 ngx_int_t |
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449 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_int_t error) |
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450 { |
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451 ngx_int_t rc; |
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452 |
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453 ngx_http_clean_header(r); |
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454 |
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455 /* clear the modules contexts */ |
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456 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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457 |
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458 r->filter_finalize = 1; |
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459 |
2787
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460 rc = ngx_http_special_response_handler(r, error); |
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461 |
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462 /* NGX_ERROR resets any pending data */ |
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463 |
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464 switch (rc) { |
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465 |
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466 case NGX_OK: |
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467 case NGX_DONE: |
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468 return NGX_ERROR; |
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469 |
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470 default: |
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471 return rc; |
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472 } |
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473 } |
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474 |
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475 |
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476 void |
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477 ngx_http_clean_header(ngx_http_request_t *r) |
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478 { |
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479 ngx_memzero(&r->headers_out.status, |
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480 sizeof(ngx_http_headers_out_t) |
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481 - offsetof(ngx_http_headers_out_t, status)); |
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482 |
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483 r->headers_out.headers.part.nelts = 0; |
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484 r->headers_out.headers.part.next = NULL; |
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485 r->headers_out.headers.last = &r->headers_out.headers.part; |
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486 |
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487 r->headers_out.content_length_n = -1; |
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488 r->headers_out.last_modified_time = -1; |
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489 } |
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490 |
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491 |
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492 static ngx_int_t |
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493 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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494 { |
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495 ngx_int_t overwrite; |
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496 ngx_str_t uri, args; |
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497 ngx_table_elt_t *location; |
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498 ngx_http_core_loc_conf_t *clcf; |
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499 |
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500 overwrite = err_page->overwrite; |
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501 |
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502 if (overwrite && overwrite != NGX_HTTP_OK) { |
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503 r->expect_tested = 1; |
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504 } |
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505 |
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506 r->err_status = overwrite; |
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507 |
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508 r->zero_in_uri = 0; |
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509 |
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510 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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511 return NGX_ERROR; |
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512 } |
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513 |
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514 if (uri.data[0] == '/') { |
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515 |
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516 if (err_page->value.lengths) { |
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517 ngx_http_split_args(r, &uri, &args); |
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518 |
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519 } else { |
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520 args = err_page->args; |
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521 } |
1922
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522 |
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523 if (r->method != NGX_HTTP_HEAD) { |
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524 r->method = NGX_HTTP_GET; |
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525 r->method_name = ngx_http_get_name; |
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526 } |
1922
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527 |
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528 return ngx_http_internal_redirect(r, &uri, &args); |
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529 } |
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530 |
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531 if (uri.data[0] == '@') { |
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532 return ngx_http_named_location(r, &uri); |
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533 } |
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534 |
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|
535 location = ngx_list_push(&r->headers_out.headers); |
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|
536 |
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537 if (location == NULL) { |
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|
538 return NGX_ERROR; |
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|
539 } |
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|
540 |
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541 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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|
542 |
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|
543 location->hash = 1; |
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|
544 location->key.len = sizeof("Location") - 1; |
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545 location->key.data = (u_char *) "Location"; |
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546 location->value = uri; |
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|
547 |
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|
548 r->headers_out.location = location; |
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|
549 |
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|
550 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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|
551 |
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552 if (clcf->msie_refresh && r->headers_in.msie) { |
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|
553 return ngx_http_send_refresh(r); |
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|
554 } |
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|
555 |
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|
556 return ngx_http_send_special_response(r, clcf, NGX_HTTP_MOVED_TEMPORARILY |
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|
557 - NGX_HTTP_MOVED_PERMANENTLY |
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|
558 + NGX_HTTP_LEVEL_200); |
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|
559 } |
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|
560 |
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|
561 |
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|
562 static ngx_int_t |
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563 ngx_http_send_special_response(ngx_http_request_t *r, |
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564 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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565 { |
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566 u_char *tail; |
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567 size_t len; |
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568 ngx_int_t rc; |
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569 ngx_buf_t *b; |
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570 ngx_uint_t msie_padding; |
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571 ngx_chain_t out[3]; |
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572 |
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573 if (clcf->server_tokens) { |
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574 len = sizeof(ngx_http_error_full_tail) - 1; |
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575 tail = ngx_http_error_full_tail; |
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576 |
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577 } else { |
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578 len = sizeof(ngx_http_error_tail) - 1; |
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579 tail = ngx_http_error_tail; |
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580 } |
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581 |
356
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582 msie_padding = 0; |
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583 |
730
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584 if (!r->zero_body) { |
1604
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585 if (ngx_http_error_pages[err].len) { |
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586 r->headers_out.content_length_n = ngx_http_error_pages[err].len |
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587 + len; |
730
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588 if (clcf->msie_padding |
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589 && r->headers_in.msie |
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590 && r->http_version >= NGX_HTTP_VERSION_10 |
1604
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591 && err >= NGX_HTTP_LEVEL_300) |
730
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592 { |
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593 r->headers_out.content_length_n += |
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594 sizeof(ngx_http_msie_stub) - 1; |
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diff
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595 msie_padding = 1; |
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596 } |
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597 |
1604
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598 r->headers_out.content_type_len = sizeof("text/html") - 1; |
730
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599 r->headers_out.content_type.len = sizeof("text/html") - 1; |
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600 r->headers_out.content_type.data = (u_char *) "text/html"; |
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601 |
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602 } else { |
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|
603 r->headers_out.content_length_n = -1; |
331
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604 } |
99
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|
605 |
68
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|
606 } else { |
730
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607 r->headers_out.content_length_n = 0; |
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608 err = 0; |
165
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|
609 } |
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610 |
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611 if (r->headers_out.content_length) { |
509 | 612 r->headers_out.content_length->hash = 0; |
153
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|
613 r->headers_out.content_length = NULL; |
68
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|
614 } |
24
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|
615 |
1604
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616 ngx_http_clear_accept_ranges(r); |
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617 ngx_http_clear_last_modified(r); |
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618 |
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619 rc = ngx_http_send_header(r); |
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620 |
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|
621 if (rc == NGX_ERROR || r->header_only) { |
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622 return rc; |
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|
623 } |
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|
624 |
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625 if (ngx_http_error_pages[err].len == 0) { |
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626 return NGX_OK; |
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627 } |
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|
628 |
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|
629 b = ngx_calloc_buf(r->pool); |
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630 if (b == NULL) { |
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631 return NGX_ERROR; |
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|
632 } |
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|
633 |
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634 b->memory = 1; |
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635 b->pos = ngx_http_error_pages[err].data; |
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636 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
1298
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|
637 |
1604
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638 out[0].buf = b; |
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639 out[0].next = &out[1]; |
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640 |
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|
641 b = ngx_calloc_buf(r->pool); |
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642 if (b == NULL) { |
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643 return NGX_ERROR; |
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644 } |
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|
645 |
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646 b->memory = 1; |
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647 |
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648 b->pos = tail; |
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649 b->last = tail + len; |
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650 |
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651 out[1].buf = b; |
2024 | 652 out[1].next = NULL; |
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|
653 |
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654 if (msie_padding) { |
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655 b = ngx_calloc_buf(r->pool); |
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656 if (b == NULL) { |
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657 return NGX_ERROR; |
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|
658 } |
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|
659 |
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660 b->memory = 1; |
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661 b->pos = ngx_http_msie_stub; |
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662 b->last = ngx_http_msie_stub + sizeof(ngx_http_msie_stub) - 1; |
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663 |
1604
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|
664 out[1].next = &out[2]; |
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665 out[2].buf = b; |
2024 | 666 out[2].next = NULL; |
1604
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|
667 } |
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|
668 |
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|
669 if (r == r->main) { |
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670 b->last_buf = 1; |
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|
671 } |
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|
672 |
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|
673 b->last_in_chain = 1; |
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|
674 |
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|
675 return ngx_http_output_filter(r, &out[0]); |
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|
676 } |
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|
677 |
679 | 678 |
1604
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|
679 static ngx_int_t |
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|
680 ngx_http_send_refresh(ngx_http_request_t *r) |
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|
681 { |
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|
682 u_char *p, *location; |
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683 size_t len, size; |
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|
684 uintptr_t escape; |
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685 ngx_int_t rc; |
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686 ngx_buf_t *b; |
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687 ngx_chain_t out; |
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688 |
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689 len = r->headers_out.location->value.len; |
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690 location = r->headers_out.location->value.data; |
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691 |
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692 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
1298
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693 |
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694 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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695 + escape + len |
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696 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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697 |
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698 r->err_status = NGX_HTTP_OK; |
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699 |
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700 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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701 r->headers_out.content_type.len = sizeof("text/html") - 1; |
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702 r->headers_out.content_type.data = (u_char *) "text/html"; |
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703 |
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704 r->headers_out.location->hash = 0; |
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705 r->headers_out.location = NULL; |
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706 |
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707 r->headers_out.content_length_n = size; |
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708 |
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709 if (r->headers_out.content_length) { |
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710 r->headers_out.content_length->hash = 0; |
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711 r->headers_out.content_length = NULL; |
679 | 712 } |
713 | |
577 | 714 ngx_http_clear_accept_ranges(r); |
715 ngx_http_clear_last_modified(r); | |
716 | |
103
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717 rc = ngx_http_send_header(r); |
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718 |
143
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719 if (rc == NGX_ERROR || r->header_only) { |
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720 return rc; |
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721 } |
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722 |
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723 b = ngx_create_temp_buf(r->pool, size); |
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724 if (b == NULL) { |
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725 return NGX_ERROR; |
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726 } |
1592 | 727 |
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728 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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729 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 730 |
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731 if (escape == 0) { |
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732 p = ngx_cpymem(p, location, len); |
679 | 733 |
734 } else { | |
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735 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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736 } |
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737 |
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738 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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739 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 740 |
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741 b->last_buf = 1; |
509 | 742 b->last_in_chain = 1; |
103
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743 |
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744 out.buf = b; |
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745 out.next = NULL; |
501 | 746 |
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747 return ngx_http_output_filter(r, &out); |
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748 } |