Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 6885:25203fc377fb
Implemented the "server_tokens build" option.
Based on a patch by Tom Thorogood.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 31 Jan 2017 12:09:40 +0300 |
parents | 92ad1c92bcf9 |
children | 3ef4cadfad7f |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 #include <nginx.h> |
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13 |
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14 static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r, |
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15 ngx_http_err_page_t *err_page); |
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16 static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r, |
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17 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err); |
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18 static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); |
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19 |
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20 |
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21 static u_char ngx_http_error_full_tail[] = |
1592 | 22 "<hr><center>" NGINX_VER "</center>" CRLF |
23 "</body>" CRLF | |
24 "</html>" CRLF | |
25 ; | |
26 | |
27 | |
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28 static u_char ngx_http_error_build_tail[] = |
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29 "<hr><center>" NGINX_VER_BUILD "</center>" CRLF |
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30 "</body>" CRLF |
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31 "</html>" CRLF |
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32 ; |
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33 |
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34 |
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35 static u_char ngx_http_error_tail[] = |
1592 | 36 "<hr><center>nginx</center>" CRLF |
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37 "</body>" CRLF |
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38 "</html>" CRLF |
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39 ; |
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41 |
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42 static u_char ngx_http_msie_padding[] = |
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43 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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44 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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45 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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46 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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47 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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48 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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49 ; |
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50 |
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51 |
679 | 52 static u_char ngx_http_msie_refresh_head[] = |
53 "<html><head><meta http-equiv=\"Refresh\" content=\"0; URL="; | |
54 | |
55 | |
56 static u_char ngx_http_msie_refresh_tail[] = | |
57 "\"></head><body></body></html>" CRLF; | |
58 | |
59 | |
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60 static char ngx_http_error_301_page[] = |
144
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61 "<html>" CRLF |
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62 "<head><title>301 Moved Permanently</title></head>" CRLF |
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63 "<body bgcolor=\"white\">" CRLF |
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64 "<center><h1>301 Moved Permanently</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_302_page[] = |
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69 "<html>" CRLF |
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70 "<head><title>302 Found</title></head>" CRLF |
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71 "<body bgcolor=\"white\">" CRLF |
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72 "<center><h1>302 Found</h1></center>" CRLF |
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73 ; |
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74 |
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75 |
3631 | 76 static char ngx_http_error_303_page[] = |
77 "<html>" CRLF | |
78 "<head><title>303 See Other</title></head>" CRLF | |
79 "<body bgcolor=\"white\">" CRLF | |
80 "<center><h1>303 See Other</h1></center>" CRLF | |
81 ; | |
82 | |
83 | |
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84 static char ngx_http_error_307_page[] = |
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85 "<html>" CRLF |
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86 "<head><title>307 Temporary Redirect</title></head>" CRLF |
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87 "<body bgcolor=\"white\">" CRLF |
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88 "<center><h1>307 Temporary Redirect</h1></center>" CRLF |
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89 ; |
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90 |
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91 |
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92 static char ngx_http_error_400_page[] = |
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93 "<html>" CRLF |
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94 "<head><title>400 Bad Request</title></head>" CRLF |
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95 "<body bgcolor=\"white\">" CRLF |
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96 "<center><h1>400 Bad Request</h1></center>" CRLF |
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97 ; |
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100 static char ngx_http_error_401_page[] = |
499 | 101 "<html>" CRLF |
503 | 102 "<head><title>401 Authorization Required</title></head>" CRLF |
499 | 103 "<body bgcolor=\"white\">" CRLF |
503 | 104 "<center><h1>401 Authorization Required</h1></center>" CRLF |
499 | 105 ; |
106 | |
107 | |
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108 static char ngx_http_error_402_page[] = |
499 | 109 "<html>" CRLF |
110 "<head><title>402 Payment Required</title></head>" CRLF | |
111 "<body bgcolor=\"white\">" CRLF | |
112 "<center><h1>402 Payment Required</h1></center>" CRLF | |
113 ; | |
114 | |
115 | |
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116 static char ngx_http_error_403_page[] = |
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117 "<html>" CRLF |
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118 "<head><title>403 Forbidden</title></head>" CRLF |
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119 "<body bgcolor=\"white\">" CRLF |
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120 "<center><h1>403 Forbidden</h1></center>" CRLF |
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124 static char ngx_http_error_404_page[] = |
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125 "<html>" CRLF |
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126 "<head><title>404 Not Found</title></head>" CRLF |
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127 "<body bgcolor=\"white\">" CRLF |
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128 "<center><h1>404 Not Found</h1></center>" CRLF |
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129 ; |
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132 static char ngx_http_error_405_page[] = |
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133 "<html>" CRLF |
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134 "<head><title>405 Not Allowed</title></head>" CRLF |
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135 "<body bgcolor=\"white\">" CRLF |
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136 "<center><h1>405 Not Allowed</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_406_page[] = |
499 | 141 "<html>" CRLF |
142 "<head><title>406 Not Acceptable</title></head>" CRLF | |
143 "<body bgcolor=\"white\">" CRLF | |
144 "<center><h1>406 Not Acceptable</h1></center>" CRLF | |
145 ; | |
146 | |
147 | |
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148 static char ngx_http_error_408_page[] = |
69
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149 "<html>" CRLF |
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150 "<head><title>408 Request Time-out</title></head>" CRLF |
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151 "<body bgcolor=\"white\">" CRLF |
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152 "<center><h1>408 Request Time-out</h1></center>" CRLF |
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153 ; |
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154 |
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155 |
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156 static char ngx_http_error_409_page[] = |
637 | 157 "<html>" CRLF |
158 "<head><title>409 Conflict</title></head>" CRLF | |
159 "<body bgcolor=\"white\">" CRLF | |
160 "<center><h1>409 Conflict</h1></center>" CRLF | |
161 ; | |
162 | |
163 | |
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164 static char ngx_http_error_410_page[] = |
499 | 165 "<html>" CRLF |
166 "<head><title>410 Gone</title></head>" CRLF | |
167 "<body bgcolor=\"white\">" CRLF | |
168 "<center><h1>410 Gone</h1></center>" CRLF | |
169 ; | |
170 | |
171 | |
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172 static char ngx_http_error_411_page[] = |
581 | 173 "<html>" CRLF |
174 "<head><title>411 Length Required</title></head>" CRLF | |
175 "<body bgcolor=\"white\">" CRLF | |
176 "<center><h1>411 Length Required</h1></center>" CRLF | |
177 ; | |
178 | |
179 | |
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180 static char ngx_http_error_412_page[] = |
1057 | 181 "<html>" CRLF |
182 "<head><title>412 Precondition Failed</title></head>" CRLF | |
183 "<body bgcolor=\"white\">" CRLF | |
184 "<center><h1>412 Precondition Failed</h1></center>" CRLF | |
185 ; | |
186 | |
187 | |
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188 static char ngx_http_error_413_page[] = |
162
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189 "<html>" CRLF |
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190 "<head><title>413 Request Entity Too Large</title></head>" CRLF |
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191 "<body bgcolor=\"white\">" CRLF |
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192 "<center><h1>413 Request Entity Too Large</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_414_page[] = |
67
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197 "<html>" CRLF |
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198 "<head><title>414 Request-URI Too Large</title></head>" CRLF |
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199 "<body bgcolor=\"white\">" CRLF |
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200 "<center><h1>414 Request-URI Too Large</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_415_page[] = |
637 | 205 "<html>" CRLF |
206 "<head><title>415 Unsupported Media Type</title></head>" CRLF | |
207 "<body bgcolor=\"white\">" CRLF | |
208 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF | |
209 ; | |
210 | |
211 | |
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212 static char ngx_http_error_416_page[] = |
99
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213 "<html>" CRLF |
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214 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
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215 "<body bgcolor=\"white\">" CRLF |
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216 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
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217 ; |
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218 |
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219 |
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HTTP/2: the "421 Misdirected Request" response (closes #848).
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220 static char ngx_http_error_421_page[] = |
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221 "<html>" CRLF |
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222 "<head><title>421 Misdirected Request</title></head>" CRLF |
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223 "<body bgcolor=\"white\">" CRLF |
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224 "<center><h1>421 Misdirected Request</h1></center>" CRLF |
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225 ; |
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226 |
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227 |
3848
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228 static char ngx_http_error_494_page[] = |
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229 "<html>" CRLF |
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230 "<head><title>400 Request Header Or Cookie Too Large</title></head>" |
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231 CRLF |
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232 "<body bgcolor=\"white\">" CRLF |
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233 "<center><h1>400 Bad Request</h1></center>" CRLF |
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234 "<center>Request Header Or Cookie Too Large</center>" CRLF |
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235 ; |
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236 |
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237 |
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238 static char ngx_http_error_495_page[] = |
647 | 239 "<html>" CRLF |
240 "<head><title>400 The SSL certificate error</title></head>" | |
241 CRLF | |
242 "<body bgcolor=\"white\">" CRLF | |
243 "<center><h1>400 Bad Request</h1></center>" CRLF | |
244 "<center>The SSL certificate error</center>" CRLF | |
245 ; | |
246 | |
247 | |
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248 static char ngx_http_error_496_page[] = |
647 | 249 "<html>" CRLF |
250 "<head><title>400 No required SSL certificate was sent</title></head>" | |
251 CRLF | |
252 "<body bgcolor=\"white\">" CRLF | |
253 "<center><h1>400 Bad Request</h1></center>" CRLF | |
254 "<center>No required SSL certificate was sent</center>" CRLF | |
255 ; | |
256 | |
257 | |
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258 static char ngx_http_error_497_page[] = |
384
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259 "<html>" CRLF |
396
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384
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260 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
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384
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261 CRLF |
384
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262 "<body bgcolor=\"white\">" CRLF |
396
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384
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263 "<center><h1>400 Bad Request</h1></center>" CRLF |
6f3b20c1ac50
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384
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264 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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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_500_page[] = |
47
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269 "<html>" CRLF |
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270 "<head><title>500 Internal Server Error</title></head>" CRLF |
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271 "<body bgcolor=\"white\">" CRLF |
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272 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
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273 ; |
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274 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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275 |
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276 static char ngx_http_error_501_page[] = |
233
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277 "<html>" CRLF |
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Request body: fixed "501 Not Implemented" error handling.
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278 "<head><title>501 Not Implemented</title></head>" CRLF |
233
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279 "<body bgcolor=\"white\">" CRLF |
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280 "<center><h1>501 Not Implemented</h1></center>" CRLF |
233
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281 ; |
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282 |
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nginx-0.0.1-2004-01-19-21:09:14 import
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283 |
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284 static char ngx_http_error_502_page[] = |
69
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285 "<html>" CRLF |
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286 "<head><title>502 Bad Gateway</title></head>" CRLF |
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287 "<body bgcolor=\"white\">" CRLF |
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288 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
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289 ; |
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290 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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291 |
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292 static char ngx_http_error_503_page[] = |
162
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293 "<html>" CRLF |
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294 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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295 "<body bgcolor=\"white\">" CRLF |
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296 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
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297 ; |
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298 |
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299 |
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300 static char ngx_http_error_504_page[] = |
69
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301 "<html>" CRLF |
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302 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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303 "<body bgcolor=\"white\">" CRLF |
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304 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
e43f406e4525
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305 ; |
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306 |
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307 |
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308 static char ngx_http_error_507_page[] = |
637 | 309 "<html>" CRLF |
310 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
311 "<body bgcolor=\"white\">" CRLF | |
312 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
313 ; | |
314 | |
315 | |
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316 static ngx_str_t ngx_http_error_pages[] = { |
499 | 317 |
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318 ngx_null_string, /* 201, 204 */ |
511 | 319 |
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320 #define NGX_HTTP_LAST_2XX 202 |
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321 #define NGX_HTTP_OFF_3XX (NGX_HTTP_LAST_2XX - 201) |
511 | 322 |
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323 /* ngx_null_string, */ /* 300 */ |
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324 ngx_string(ngx_http_error_301_page), |
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325 ngx_string(ngx_http_error_302_page), |
3631 | 326 ngx_string(ngx_http_error_303_page), |
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Added support for the 307 Temporary Redirect.
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327 ngx_null_string, /* 304 */ |
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328 ngx_null_string, /* 305 */ |
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329 ngx_null_string, /* 306 */ |
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330 ngx_string(ngx_http_error_307_page), |
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331 |
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332 #define NGX_HTTP_LAST_3XX 308 |
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333 #define NGX_HTTP_OFF_4XX (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX) |
499 | 334 |
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335 ngx_string(ngx_http_error_400_page), |
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336 ngx_string(ngx_http_error_401_page), |
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337 ngx_string(ngx_http_error_402_page), |
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338 ngx_string(ngx_http_error_403_page), |
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339 ngx_string(ngx_http_error_404_page), |
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340 ngx_string(ngx_http_error_405_page), |
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341 ngx_string(ngx_http_error_406_page), |
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342 ngx_null_string, /* 407 */ |
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343 ngx_string(ngx_http_error_408_page), |
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344 ngx_string(ngx_http_error_409_page), |
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345 ngx_string(ngx_http_error_410_page), |
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346 ngx_string(ngx_http_error_411_page), |
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347 ngx_string(ngx_http_error_412_page), |
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348 ngx_string(ngx_http_error_413_page), |
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349 ngx_string(ngx_http_error_414_page), |
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350 ngx_string(ngx_http_error_415_page), |
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351 ngx_string(ngx_http_error_416_page), |
6556
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HTTP/2: the "421 Misdirected Request" response (closes #848).
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352 ngx_null_string, /* 417 */ |
654d2dae97d3
HTTP/2: the "421 Misdirected Request" response (closes #848).
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353 ngx_null_string, /* 418 */ |
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354 ngx_null_string, /* 419 */ |
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355 ngx_null_string, /* 420 */ |
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356 ngx_string(ngx_http_error_421_page), |
26
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357 |
6556
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358 #define NGX_HTTP_LAST_4XX 422 |
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359 #define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX) |
499 | 360 |
3848
de59ad6bf557
introduce 494 code "Request Header Too Large"
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361 ngx_string(ngx_http_error_494_page), /* 494, request header too large */ |
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362 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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363 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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364 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 365 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
1604
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366 ngx_null_string, /* 499, client has closed connection */ |
335
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331
diff
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|
367 |
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368 ngx_string(ngx_http_error_500_page), |
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369 ngx_string(ngx_http_error_501_page), |
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370 ngx_string(ngx_http_error_502_page), |
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371 ngx_string(ngx_http_error_503_page), |
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372 ngx_string(ngx_http_error_504_page), |
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373 ngx_null_string, /* 505 */ |
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374 ngx_null_string, /* 506 */ |
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375 ngx_string(ngx_http_error_507_page) |
2696 | 376 |
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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|
377 #define NGX_HTTP_LAST_5XX 508 |
2696 | 378 |
26
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379 }; |
24
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|
380 |
59
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|
381 |
487 | 382 ngx_int_t |
383 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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|
384 { |
1604
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|
385 ngx_uint_t i, err; |
176
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|
386 ngx_http_err_page_t *err_page; |
158
d377ee423603
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diff
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|
387 ngx_http_core_loc_conf_t *clcf; |
26
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388 |
2040
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fix building by bcc/etc introduced in r2038
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2037
diff
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|
389 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
5327
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Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
4935
diff
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|
390 "http special response: %i, \"%V?%V\"", |
2037 | 391 error, &r->uri, &r->args); |
527 | 392 |
677 | 393 r->err_status = error; |
26
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394 |
2019 | 395 if (r->keepalive) { |
68
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396 switch (error) { |
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397 case NGX_HTTP_BAD_REQUEST: |
162
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|
398 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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diff
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|
399 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
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356
diff
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|
400 case NGX_HTTP_TO_HTTPS: |
647 | 401 case NGX_HTTPS_CERT_ERROR: |
402 case NGX_HTTPS_NO_CERT: | |
68
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67
diff
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|
403 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
4920
812c4765c954
Request body: fixed "501 Not Implemented" error handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4746
diff
changeset
|
404 case NGX_HTTP_NOT_IMPLEMENTED: |
68
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diff
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|
405 r->keepalive = 0; |
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diff
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|
406 } |
d549fdc17d7e
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diff
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|
407 } |
d549fdc17d7e
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diff
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|
408 |
4201
1d52dd2b5bb7
Stylistic change in checking the boolean expression.
Ruslan Ermilov <ru@nginx.com>
parents:
4146
diff
changeset
|
409 if (r->lingering_close) { |
88
674d333f4296
nginx-0.0.1-2003-05-14-21:13:13 import
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parents:
71
diff
changeset
|
410 switch (error) { |
674d333f4296
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71
diff
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|
411 case NGX_HTTP_BAD_REQUEST: |
384
e7054aaedf68
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parents:
356
diff
changeset
|
412 case NGX_HTTP_TO_HTTPS: |
647 | 413 case NGX_HTTPS_CERT_ERROR: |
414 case NGX_HTTPS_NO_CERT: | |
88
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nginx-0.0.1-2003-05-14-21:13:13 import
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|
415 r->lingering_close = 0; |
674d333f4296
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diff
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|
416 } |
674d333f4296
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71
diff
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|
417 } |
674d333f4296
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diff
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418 |
675 | 419 r->headers_out.content_type.len = 0; |
420 | |
176
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diff
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421 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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422 |
2174
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423 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 424 |
425 if (clcf->recursive_error_pages == 0) { | |
426 r->error_page = 1; | |
427 } | |
477 | 428 |
176
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429 err_page = clcf->error_pages->elts; |
477 | 430 |
176
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431 for (i = 0; i < clcf->error_pages->nelts; i++) { |
326
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432 if (err_page[i].status == error) { |
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433 return ngx_http_send_error_page(r, &err_page[i]); |
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434 } |
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435 } |
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436 } |
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437 |
2436
26d9d4a41e91
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438 r->expect_tested = 1; |
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|
439 |
2191
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440 if (ngx_http_discard_request_body(r) != NGX_OK) { |
4935
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Request body: improved handling of incorrect chunked request body.
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|
441 r->keepalive = 0; |
2191
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442 } |
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443 |
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444 if (clcf->msie_refresh |
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445 && r->headers_in.msie |
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446 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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447 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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448 { |
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449 return ngx_http_send_refresh(r); |
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450 } |
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451 |
633 | 452 if (error == NGX_HTTP_CREATED) { |
453 /* 201 */ | |
454 err = 0; | |
455 | |
456 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 457 /* 204 */ |
458 err = 0; | |
459 | |
2696 | 460 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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461 && error < NGX_HTTP_LAST_3XX) |
2696 | 462 { |
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463 /* 3XX */ |
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464 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX; |
176
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465 |
2696 | 466 } else if (error >= NGX_HTTP_BAD_REQUEST |
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467 && error < NGX_HTTP_LAST_4XX) |
2696 | 468 { |
176
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469 /* 4XX */ |
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470 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX; |
176
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471 |
3845
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472 } else if (error >= NGX_HTTP_NGINX_CODES |
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473 && error < NGX_HTTP_LAST_5XX) |
2696 | 474 { |
335
d4241d7787fe
nginx-0.0.3-2004-05-14-20:51:47 import
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parents:
331
diff
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|
475 /* 49X, 5XX */ |
4490
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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|
476 err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX; |
335
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|
477 switch (error) { |
384
e7054aaedf68
nginx-0.0.7-2004-07-09-11:12:14 import
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diff
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|
478 case NGX_HTTP_TO_HTTPS: |
647 | 479 case NGX_HTTPS_CERT_ERROR: |
480 case NGX_HTTPS_NO_CERT: | |
3848
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481 case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: |
679 | 482 r->err_status = NGX_HTTP_BAD_REQUEST; |
335
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483 } |
2696 | 484 |
485 } else { | |
486 /* unknown code, zero body */ | |
487 err = 0; | |
176
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488 } |
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489 |
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490 return ngx_http_send_special_response(r, clcf, err); |
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491 } |
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492 |
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|
493 |
2787
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|
494 ngx_int_t |
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|
495 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, |
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|
496 ngx_int_t error) |
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497 { |
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|
498 void *ctx; |
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|
499 ngx_int_t rc; |
2787
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500 |
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501 ngx_http_clean_header(r); |
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502 |
2822 | 503 ctx = NULL; |
504 | |
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505 if (m) { |
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506 ctx = r->ctx[m->ctx_index]; |
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507 } |
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|
508 |
2787
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509 /* clear the modules contexts */ |
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|
510 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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|
511 |
2821
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|
512 if (m) { |
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|
513 r->ctx[m->ctx_index] = ctx; |
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514 } |
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|
515 |
2819
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516 r->filter_finalize = 1; |
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|
517 |
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518 rc = ngx_http_special_response_handler(r, error); |
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519 |
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520 /* NGX_ERROR resets any pending data */ |
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|
521 |
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522 switch (rc) { |
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523 |
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524 case NGX_OK: |
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525 case NGX_DONE: |
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526 return NGX_ERROR; |
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527 |
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|
528 default: |
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529 return rc; |
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|
530 } |
2787
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|
531 } |
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|
532 |
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|
533 |
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|
534 void |
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|
535 ngx_http_clean_header(ngx_http_request_t *r) |
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|
536 { |
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|
537 ngx_memzero(&r->headers_out.status, |
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|
538 sizeof(ngx_http_headers_out_t) |
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|
539 - offsetof(ngx_http_headers_out_t, status)); |
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|
540 |
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|
541 r->headers_out.headers.part.nelts = 0; |
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|
542 r->headers_out.headers.part.next = NULL; |
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|
543 r->headers_out.headers.last = &r->headers_out.headers.part; |
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|
544 |
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changeset
|
545 r->headers_out.content_length_n = -1; |
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|
546 r->headers_out.last_modified_time = -1; |
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|
547 } |
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|
548 |
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|
549 |
1604
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|
550 static ngx_int_t |
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551 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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552 { |
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553 ngx_int_t overwrite; |
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554 ngx_str_t uri, args; |
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555 ngx_table_elt_t *location; |
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556 ngx_http_core_loc_conf_t *clcf; |
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557 |
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558 overwrite = err_page->overwrite; |
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559 |
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560 if (overwrite && overwrite != NGX_HTTP_OK) { |
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561 r->expect_tested = 1; |
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562 } |
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563 |
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564 if (overwrite >= 0) { |
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565 r->err_status = overwrite; |
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566 } |
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567 |
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568 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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569 return NGX_ERROR; |
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570 } |
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|
571 |
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|
572 if (uri.len && uri.data[0] == '/') { |
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573 |
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574 if (err_page->value.lengths) { |
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575 ngx_http_split_args(r, &uri, &args); |
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576 |
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577 } else { |
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578 args = err_page->args; |
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579 } |
1922
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580 |
2192
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|
581 if (r->method != NGX_HTTP_HEAD) { |
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|
582 r->method = NGX_HTTP_GET; |
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583 r->method_name = ngx_http_core_get_method; |
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584 } |
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585 |
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586 return ngx_http_internal_redirect(r, &uri, &args); |
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587 } |
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588 |
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|
589 if (uri.len && uri.data[0] == '@') { |
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590 return ngx_http_named_location(r, &uri); |
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591 } |
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592 |
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593 location = ngx_list_push(&r->headers_out.headers); |
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|
594 |
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595 if (location == NULL) { |
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596 return NGX_ERROR; |
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|
597 } |
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|
598 |
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|
599 if (overwrite != NGX_HTTP_MOVED_PERMANENTLY |
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|
600 && overwrite != NGX_HTTP_MOVED_TEMPORARILY |
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|
601 && overwrite != NGX_HTTP_SEE_OTHER |
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602 && overwrite != NGX_HTTP_TEMPORARY_REDIRECT) |
3860
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|
603 { |
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|
604 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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605 } |
1604
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|
606 |
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|
607 location->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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|
608 ngx_str_set(&location->key, "Location"); |
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609 location->value = uri; |
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|
610 |
4206
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Clear old Location header (if any) while adding a new one.
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parents:
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|
611 ngx_http_clear_location(r); |
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|
612 |
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|
613 r->headers_out.location = location; |
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|
614 |
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|
615 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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|
616 |
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617 if (clcf->msie_refresh && r->headers_in.msie) { |
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618 return ngx_http_send_refresh(r); |
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|
619 } |
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|
620 |
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621 return ngx_http_send_special_response(r, clcf, r->err_status |
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|
622 - NGX_HTTP_MOVED_PERMANENTLY |
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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|
623 + NGX_HTTP_OFF_3XX); |
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|
624 } |
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|
625 |
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|
626 |
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|
627 static ngx_int_t |
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|
628 ngx_http_send_special_response(ngx_http_request_t *r, |
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|
629 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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|
630 { |
6451
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Backed out server_tokens changes.
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diff
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|
631 u_char *tail; |
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Backed out server_tokens changes.
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|
632 size_t len; |
1604
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|
633 ngx_int_t rc; |
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|
634 ngx_buf_t *b; |
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|
635 ngx_uint_t msie_padding; |
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|
636 ngx_chain_t out[3]; |
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diff
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|
637 |
6885
25203fc377fb
Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
638 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) { |
6451
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Backed out server_tokens changes.
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|
639 len = sizeof(ngx_http_error_full_tail) - 1; |
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Backed out server_tokens changes.
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diff
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|
640 tail = ngx_http_error_full_tail; |
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diff
changeset
|
641 |
6885
25203fc377fb
Implemented the "server_tokens build" option.
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diff
changeset
|
642 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) { |
25203fc377fb
Implemented the "server_tokens build" option.
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diff
changeset
|
643 len = sizeof(ngx_http_error_build_tail) - 1; |
25203fc377fb
Implemented the "server_tokens build" option.
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|
644 tail = ngx_http_error_build_tail; |
25203fc377fb
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diff
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|
645 |
6451
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Backed out server_tokens changes.
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|
646 } else { |
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changeset
|
647 len = sizeof(ngx_http_error_tail) - 1; |
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Backed out server_tokens changes.
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|
648 tail = ngx_http_error_tail; |
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|
649 } |
155871d773cc
Backed out server_tokens changes.
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diff
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|
650 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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parents:
343
diff
changeset
|
651 msie_padding = 0; |
2e3cbc1bbe3c
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diff
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|
652 |
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changeset
|
653 if (ngx_http_error_pages[err].len) { |
6451
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Backed out server_tokens changes.
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diff
changeset
|
654 r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; |
3663
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|
655 if (clcf->msie_padding |
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|
656 && (r->headers_in.msie || r->headers_in.chrome) |
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|
657 && r->http_version >= NGX_HTTP_VERSION_10 |
4490
0cc1b430a0e6
Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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diff
changeset
|
658 && err >= NGX_HTTP_OFF_4XX) |
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|
659 { |
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|
660 r->headers_out.content_length_n += |
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|
661 sizeof(ngx_http_msie_padding) - 1; |
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changeset
|
662 msie_padding = 1; |
331
f168a88e93f7
nginx-0.0.3-2004-05-04-21:56:58 import
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326
diff
changeset
|
663 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
98
diff
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|
664 |
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|
665 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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changeset
|
666 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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667 r->headers_out.content_type_lowcase = NULL; |
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668 |
68
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669 } else { |
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670 r->headers_out.content_length_n = 0; |
165
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671 } |
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672 |
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673 if (r->headers_out.content_length) { |
509 | 674 r->headers_out.content_length->hash = 0; |
153
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675 r->headers_out.content_length = NULL; |
68
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676 } |
24
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677 |
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678 ngx_http_clear_accept_ranges(r); |
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679 ngx_http_clear_last_modified(r); |
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680 ngx_http_clear_etag(r); |
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681 |
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682 rc = ngx_http_send_header(r); |
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683 |
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684 if (rc == NGX_ERROR || r->header_only) { |
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685 return rc; |
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686 } |
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687 |
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688 if (ngx_http_error_pages[err].len == 0) { |
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689 return ngx_http_send_special(r, NGX_HTTP_LAST); |
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690 } |
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691 |
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692 b = ngx_calloc_buf(r->pool); |
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693 if (b == NULL) { |
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694 return NGX_ERROR; |
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695 } |
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696 |
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697 b->memory = 1; |
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698 b->pos = ngx_http_error_pages[err].data; |
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699 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
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700 |
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701 out[0].buf = b; |
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702 out[0].next = &out[1]; |
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703 |
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704 b = ngx_calloc_buf(r->pool); |
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705 if (b == NULL) { |
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706 return NGX_ERROR; |
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707 } |
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708 |
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709 b->memory = 1; |
6451
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710 |
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711 b->pos = tail; |
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712 b->last = tail + len; |
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713 |
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714 out[1].buf = b; |
2024 | 715 out[1].next = NULL; |
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716 |
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717 if (msie_padding) { |
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718 b = ngx_calloc_buf(r->pool); |
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719 if (b == NULL) { |
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720 return NGX_ERROR; |
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721 } |
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722 |
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723 b->memory = 1; |
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724 b->pos = ngx_http_msie_padding; |
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725 b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; |
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726 |
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727 out[1].next = &out[2]; |
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728 out[2].buf = b; |
2024 | 729 out[2].next = NULL; |
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730 } |
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731 |
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732 if (r == r->main) { |
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733 b->last_buf = 1; |
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734 } |
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735 |
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736 b->last_in_chain = 1; |
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737 |
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738 return ngx_http_output_filter(r, &out[0]); |
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739 } |
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740 |
679 | 741 |
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742 static ngx_int_t |
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743 ngx_http_send_refresh(ngx_http_request_t *r) |
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744 { |
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745 u_char *p, *location; |
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746 size_t len, size; |
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747 uintptr_t escape; |
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748 ngx_int_t rc; |
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749 ngx_buf_t *b; |
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750 ngx_chain_t out; |
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|
751 |
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752 len = r->headers_out.location->value.len; |
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753 location = r->headers_out.location->value.data; |
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754 |
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|
755 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
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|
756 |
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|
757 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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758 + escape + len |
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|
759 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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760 |
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761 r->err_status = NGX_HTTP_OK; |
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762 |
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763 r->headers_out.content_type_len = sizeof("text/html") - 1; |
3516
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3316
diff
changeset
|
764 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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parents:
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diff
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|
765 r->headers_out.content_type_lowcase = NULL; |
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|
766 |
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767 r->headers_out.location->hash = 0; |
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768 r->headers_out.location = NULL; |
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|
769 |
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|
770 r->headers_out.content_length_n = size; |
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|
771 |
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|
772 if (r->headers_out.content_length) { |
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|
773 r->headers_out.content_length->hash = 0; |
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|
774 r->headers_out.content_length = NULL; |
679 | 775 } |
776 | |
577 | 777 ngx_http_clear_accept_ranges(r); |
778 ngx_http_clear_last_modified(r); | |
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|
779 ngx_http_clear_etag(r); |
577 | 780 |
103
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diff
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|
781 rc = ngx_http_send_header(r); |
142
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|
782 |
143
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diff
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|
783 if (rc == NGX_ERROR || r->header_only) { |
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|
784 return rc; |
103
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|
785 } |
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|
786 |
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|
787 b = ngx_create_temp_buf(r->pool, size); |
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|
788 if (b == NULL) { |
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|
789 return NGX_ERROR; |
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|
790 } |
1592 | 791 |
1604
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|
792 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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793 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 794 |
1604
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795 if (escape == 0) { |
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796 p = ngx_cpymem(p, location, len); |
679 | 797 |
798 } else { | |
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799 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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nginx-0.0.1-2003-06-11-19:28:34 import
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diff
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800 } |
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parents:
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801 |
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802 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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803 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 804 |
6722
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Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
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805 b->last_buf = (r == r->main) ? 1 : 0; |
509 | 806 b->last_in_chain = 1; |
103
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parents:
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807 |
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parents:
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808 out.buf = b; |
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809 out.next = NULL; |
501 | 810 |
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811 return ngx_http_output_filter(r, &out); |
24
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nginx-0.0.1-2002-12-10-21:05:12 import
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parents:
diff
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812 } |