Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 4490:0cc1b430a0e6
Renamed constants and fixed off-by-one error in "msie_padding on" handling.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Wed, 22 Feb 2012 16:23:29 +0000 |
parents | d620f497c50f |
children | d11f86a16e3b |
rev | line source |
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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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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_tail[] = |
1592 | 29 "<hr><center>nginx</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_msie_padding[] = |
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36 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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37 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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38 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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39 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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40 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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41 "<!-- a padding to disable MSIE and Chrome friendly error page -->" CRLF |
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42 ; |
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43 |
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44 |
679 | 45 static u_char ngx_http_msie_refresh_head[] = |
46 "<html><head><meta http-equiv=\"Refresh\" content=\"0; URL="; | |
47 | |
48 | |
49 static u_char ngx_http_msie_refresh_tail[] = | |
50 "\"></head><body></body></html>" CRLF; | |
51 | |
52 | |
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53 static char ngx_http_error_301_page[] = |
144
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54 "<html>" CRLF |
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55 "<head><title>301 Moved Permanently</title></head>" CRLF |
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56 "<body bgcolor=\"white\">" CRLF |
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57 "<center><h1>301 Moved Permanently</h1></center>" CRLF |
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58 ; |
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59 |
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60 |
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61 static char ngx_http_error_302_page[] = |
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62 "<html>" CRLF |
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63 "<head><title>302 Found</title></head>" CRLF |
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64 "<body bgcolor=\"white\">" CRLF |
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65 "<center><h1>302 Found</h1></center>" CRLF |
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66 ; |
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67 |
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68 |
3631 | 69 static char ngx_http_error_303_page[] = |
70 "<html>" CRLF | |
71 "<head><title>303 See Other</title></head>" CRLF | |
72 "<body bgcolor=\"white\">" CRLF | |
73 "<center><h1>303 See Other</h1></center>" CRLF | |
74 ; | |
75 | |
76 | |
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77 static char ngx_http_error_400_page[] = |
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78 "<html>" CRLF |
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79 "<head><title>400 Bad Request</title></head>" CRLF |
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80 "<body bgcolor=\"white\">" CRLF |
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81 "<center><h1>400 Bad Request</h1></center>" CRLF |
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82 ; |
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83 |
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84 |
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85 static char ngx_http_error_401_page[] = |
499 | 86 "<html>" CRLF |
503 | 87 "<head><title>401 Authorization Required</title></head>" CRLF |
499 | 88 "<body bgcolor=\"white\">" CRLF |
503 | 89 "<center><h1>401 Authorization Required</h1></center>" CRLF |
499 | 90 ; |
91 | |
92 | |
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93 static char ngx_http_error_402_page[] = |
499 | 94 "<html>" CRLF |
95 "<head><title>402 Payment Required</title></head>" CRLF | |
96 "<body bgcolor=\"white\">" CRLF | |
97 "<center><h1>402 Payment Required</h1></center>" CRLF | |
98 ; | |
99 | |
100 | |
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101 static char ngx_http_error_403_page[] = |
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102 "<html>" CRLF |
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103 "<head><title>403 Forbidden</title></head>" CRLF |
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104 "<body bgcolor=\"white\">" CRLF |
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105 "<center><h1>403 Forbidden</h1></center>" CRLF |
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106 ; |
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109 static char ngx_http_error_404_page[] = |
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110 "<html>" CRLF |
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111 "<head><title>404 Not Found</title></head>" CRLF |
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112 "<body bgcolor=\"white\">" CRLF |
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113 "<center><h1>404 Not Found</h1></center>" CRLF |
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114 ; |
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117 static char ngx_http_error_405_page[] = |
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118 "<html>" CRLF |
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119 "<head><title>405 Not Allowed</title></head>" CRLF |
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120 "<body bgcolor=\"white\">" CRLF |
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121 "<center><h1>405 Not Allowed</h1></center>" CRLF |
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122 ; |
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125 static char ngx_http_error_406_page[] = |
499 | 126 "<html>" CRLF |
127 "<head><title>406 Not Acceptable</title></head>" CRLF | |
128 "<body bgcolor=\"white\">" CRLF | |
129 "<center><h1>406 Not Acceptable</h1></center>" CRLF | |
130 ; | |
131 | |
132 | |
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133 static char ngx_http_error_408_page[] = |
69
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134 "<html>" CRLF |
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135 "<head><title>408 Request Time-out</title></head>" CRLF |
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136 "<body bgcolor=\"white\">" CRLF |
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137 "<center><h1>408 Request Time-out</h1></center>" CRLF |
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138 ; |
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141 static char ngx_http_error_409_page[] = |
637 | 142 "<html>" CRLF |
143 "<head><title>409 Conflict</title></head>" CRLF | |
144 "<body bgcolor=\"white\">" CRLF | |
145 "<center><h1>409 Conflict</h1></center>" CRLF | |
146 ; | |
147 | |
148 | |
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149 static char ngx_http_error_410_page[] = |
499 | 150 "<html>" CRLF |
151 "<head><title>410 Gone</title></head>" CRLF | |
152 "<body bgcolor=\"white\">" CRLF | |
153 "<center><h1>410 Gone</h1></center>" CRLF | |
154 ; | |
155 | |
156 | |
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157 static char ngx_http_error_411_page[] = |
581 | 158 "<html>" CRLF |
159 "<head><title>411 Length Required</title></head>" CRLF | |
160 "<body bgcolor=\"white\">" CRLF | |
161 "<center><h1>411 Length Required</h1></center>" CRLF | |
162 ; | |
163 | |
164 | |
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165 static char ngx_http_error_412_page[] = |
1057 | 166 "<html>" CRLF |
167 "<head><title>412 Precondition Failed</title></head>" CRLF | |
168 "<body bgcolor=\"white\">" CRLF | |
169 "<center><h1>412 Precondition Failed</h1></center>" CRLF | |
170 ; | |
171 | |
172 | |
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173 static char ngx_http_error_413_page[] = |
162
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174 "<html>" CRLF |
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175 "<head><title>413 Request Entity Too Large</title></head>" CRLF |
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176 "<body bgcolor=\"white\">" CRLF |
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177 "<center><h1>413 Request Entity Too Large</h1></center>" CRLF |
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178 ; |
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179 |
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180 |
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181 static char ngx_http_error_414_page[] = |
67
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182 "<html>" CRLF |
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183 "<head><title>414 Request-URI Too Large</title></head>" CRLF |
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184 "<body bgcolor=\"white\">" CRLF |
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185 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF |
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186 ; |
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187 |
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188 |
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189 static char ngx_http_error_415_page[] = |
637 | 190 "<html>" CRLF |
191 "<head><title>415 Unsupported Media Type</title></head>" CRLF | |
192 "<body bgcolor=\"white\">" CRLF | |
193 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF | |
194 ; | |
195 | |
196 | |
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197 static char ngx_http_error_416_page[] = |
99
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198 "<html>" CRLF |
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199 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
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200 "<body bgcolor=\"white\">" CRLF |
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201 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
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202 ; |
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203 |
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204 |
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205 static char ngx_http_error_494_page[] = |
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206 "<html>" CRLF |
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207 "<head><title>400 Request Header Or Cookie Too Large</title></head>" |
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208 CRLF |
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209 "<body bgcolor=\"white\">" CRLF |
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210 "<center><h1>400 Bad Request</h1></center>" CRLF |
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211 "<center>Request Header Or Cookie Too Large</center>" CRLF |
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212 ; |
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213 |
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214 |
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215 static char ngx_http_error_495_page[] = |
647 | 216 "<html>" CRLF |
217 "<head><title>400 The SSL certificate error</title></head>" | |
218 CRLF | |
219 "<body bgcolor=\"white\">" CRLF | |
220 "<center><h1>400 Bad Request</h1></center>" CRLF | |
221 "<center>The SSL certificate error</center>" CRLF | |
222 ; | |
223 | |
224 | |
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225 static char ngx_http_error_496_page[] = |
647 | 226 "<html>" CRLF |
227 "<head><title>400 No required SSL certificate was sent</title></head>" | |
228 CRLF | |
229 "<body bgcolor=\"white\">" CRLF | |
230 "<center><h1>400 Bad Request</h1></center>" CRLF | |
231 "<center>No required SSL certificate was sent</center>" CRLF | |
232 ; | |
233 | |
234 | |
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235 static char ngx_http_error_497_page[] = |
384
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236 "<html>" CRLF |
396
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237 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
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238 CRLF |
384
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239 "<body bgcolor=\"white\">" CRLF |
396
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240 "<center><h1>400 Bad Request</h1></center>" CRLF |
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241 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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242 ; |
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243 |
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244 |
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245 static char ngx_http_error_500_page[] = |
47
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246 "<html>" CRLF |
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247 "<head><title>500 Internal Server Error</title></head>" CRLF |
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248 "<body bgcolor=\"white\">" CRLF |
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249 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
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250 ; |
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251 |
26
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252 |
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253 static char ngx_http_error_501_page[] = |
233
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254 "<html>" CRLF |
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255 "<head><title>501 Method Not Implemented</title></head>" CRLF |
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256 "<body bgcolor=\"white\">" CRLF |
535 | 257 "<center><h1>501 Method Not Implemented</h1></center>" CRLF |
233
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258 ; |
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259 |
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260 |
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261 static char ngx_http_error_502_page[] = |
69
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262 "<html>" CRLF |
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263 "<head><title>502 Bad Gateway</title></head>" CRLF |
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264 "<body bgcolor=\"white\">" CRLF |
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265 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
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266 ; |
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267 |
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268 |
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269 static char ngx_http_error_503_page[] = |
162
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270 "<html>" CRLF |
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271 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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272 "<body bgcolor=\"white\">" CRLF |
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273 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
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274 ; |
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275 |
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276 |
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277 static char ngx_http_error_504_page[] = |
69
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278 "<html>" CRLF |
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279 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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280 "<body bgcolor=\"white\">" CRLF |
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281 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
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282 ; |
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283 |
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284 |
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285 static char ngx_http_error_507_page[] = |
637 | 286 "<html>" CRLF |
287 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
288 "<body bgcolor=\"white\">" CRLF | |
289 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
290 ; | |
291 | |
292 | |
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293 static ngx_str_t ngx_http_error_pages[] = { |
499 | 294 |
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295 ngx_null_string, /* 201, 204 */ |
511 | 296 |
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297 #define NGX_HTTP_LAST_2XX 202 |
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298 #define NGX_HTTP_OFF_3XX (NGX_HTTP_LAST_2XX - 201) |
511 | 299 |
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300 /* ngx_null_string, */ /* 300 */ |
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301 ngx_string(ngx_http_error_301_page), |
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302 ngx_string(ngx_http_error_302_page), |
3631 | 303 ngx_string(ngx_http_error_303_page), |
26
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304 |
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305 #define NGX_HTTP_LAST_3XX 304 |
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306 #define NGX_HTTP_OFF_4XX (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX) |
499 | 307 |
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308 ngx_string(ngx_http_error_400_page), |
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309 ngx_string(ngx_http_error_401_page), |
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310 ngx_string(ngx_http_error_402_page), |
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311 ngx_string(ngx_http_error_403_page), |
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312 ngx_string(ngx_http_error_404_page), |
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313 ngx_string(ngx_http_error_405_page), |
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314 ngx_string(ngx_http_error_406_page), |
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315 ngx_null_string, /* 407 */ |
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316 ngx_string(ngx_http_error_408_page), |
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317 ngx_string(ngx_http_error_409_page), |
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318 ngx_string(ngx_http_error_410_page), |
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319 ngx_string(ngx_http_error_411_page), |
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320 ngx_string(ngx_http_error_412_page), |
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321 ngx_string(ngx_http_error_413_page), |
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322 ngx_string(ngx_http_error_414_page), |
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323 ngx_string(ngx_http_error_415_page), |
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324 ngx_string(ngx_http_error_416_page), |
26
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325 |
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326 #define NGX_HTTP_LAST_4XX 417 |
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327 #define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX) |
499 | 328 |
3848
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329 ngx_string(ngx_http_error_494_page), /* 494, request header too large */ |
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330 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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331 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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332 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 333 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
1604
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334 ngx_null_string, /* 499, client has closed connection */ |
335
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335 |
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336 ngx_string(ngx_http_error_500_page), |
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337 ngx_string(ngx_http_error_501_page), |
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338 ngx_string(ngx_http_error_502_page), |
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339 ngx_string(ngx_http_error_503_page), |
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340 ngx_string(ngx_http_error_504_page), |
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341 ngx_null_string, /* 505 */ |
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342 ngx_null_string, /* 506 */ |
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343 ngx_string(ngx_http_error_507_page) |
2696 | 344 |
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345 #define NGX_HTTP_LAST_5XX 508 |
2696 | 346 |
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347 }; |
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348 |
59
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349 |
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350 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " }; |
716
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351 |
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352 |
487 | 353 ngx_int_t |
354 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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355 { |
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356 ngx_uint_t i, err; |
176
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357 ngx_http_err_page_t *err_page; |
158
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358 ngx_http_core_loc_conf_t *clcf; |
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359 |
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360 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
2037 | 361 "http special response: %d, \"%V?%V\"", |
362 error, &r->uri, &r->args); | |
527 | 363 |
677 | 364 r->err_status = error; |
26
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365 |
2019 | 366 if (r->keepalive) { |
68
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367 switch (error) { |
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368 case NGX_HTTP_BAD_REQUEST: |
162
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diff
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369 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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370 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
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371 case NGX_HTTP_TO_HTTPS: |
647 | 372 case NGX_HTTPS_CERT_ERROR: |
373 case NGX_HTTPS_NO_CERT: | |
68
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374 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
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375 r->keepalive = 0; |
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376 } |
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377 } |
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378 |
4201
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|
379 if (r->lingering_close) { |
88
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diff
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|
380 switch (error) { |
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381 case NGX_HTTP_BAD_REQUEST: |
384
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diff
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|
382 case NGX_HTTP_TO_HTTPS: |
647 | 383 case NGX_HTTPS_CERT_ERROR: |
384 case NGX_HTTPS_NO_CERT: | |
88
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385 r->lingering_close = 0; |
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386 } |
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387 } |
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388 |
675 | 389 r->headers_out.content_type.len = 0; |
390 | |
176
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391 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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392 |
2174
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disable error_page loop in 500 error when recursive errors are enabled
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|
393 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 394 |
395 if (clcf->recursive_error_pages == 0) { | |
396 r->error_page = 1; | |
397 } | |
477 | 398 |
176
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399 err_page = clcf->error_pages->elts; |
477 | 400 |
176
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401 for (i = 0; i < clcf->error_pages->nelts; i++) { |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
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323
diff
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|
402 if (err_page[i].status == error) { |
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403 return ngx_http_send_error_page(r, &err_page[i]); |
176
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404 } |
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405 } |
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406 } |
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407 |
2436
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send "100 Continue" just before reading request body
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2192
diff
changeset
|
408 r->expect_tested = 1; |
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2192
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409 |
2191
808547aa8c12
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2174
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|
410 if (ngx_http_discard_request_body(r) != NGX_OK) { |
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411 error = NGX_HTTP_INTERNAL_SERVER_ERROR; |
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412 } |
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413 |
1604
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414 if (clcf->msie_refresh |
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415 && r->headers_in.msie |
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416 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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417 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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418 { |
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419 return ngx_http_send_refresh(r); |
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420 } |
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421 |
633 | 422 if (error == NGX_HTTP_CREATED) { |
423 /* 201 */ | |
424 err = 0; | |
425 | |
426 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 427 /* 204 */ |
428 err = 0; | |
429 | |
2696 | 430 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
4490
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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431 && error < NGX_HTTP_LAST_3XX) |
2696 | 432 { |
176
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433 /* 3XX */ |
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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|
434 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX; |
176
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435 |
2696 | 436 } else if (error >= NGX_HTTP_BAD_REQUEST |
4490
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Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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437 && error < NGX_HTTP_LAST_4XX) |
2696 | 438 { |
176
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439 /* 4XX */ |
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440 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX; |
176
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441 |
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442 } else if (error >= NGX_HTTP_NGINX_CODES |
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443 && error < NGX_HTTP_LAST_5XX) |
2696 | 444 { |
335
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445 /* 49X, 5XX */ |
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446 err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX; |
335
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447 switch (error) { |
384
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448 case NGX_HTTP_TO_HTTPS: |
647 | 449 case NGX_HTTPS_CERT_ERROR: |
450 case NGX_HTTPS_NO_CERT: | |
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451 case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: |
679 | 452 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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453 break; |
335
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454 } |
2696 | 455 |
456 } else { | |
457 /* unknown code, zero body */ | |
458 err = 0; | |
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459 } |
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460 |
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461 return ngx_http_send_special_response(r, clcf, err); |
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462 } |
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463 |
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464 |
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465 ngx_int_t |
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466 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, |
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467 ngx_int_t error) |
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468 { |
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469 void *ctx; |
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470 ngx_int_t rc; |
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471 |
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472 ngx_http_clean_header(r); |
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473 |
2822 | 474 ctx = NULL; |
475 | |
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476 if (m) { |
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477 ctx = r->ctx[m->ctx_index]; |
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478 } |
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479 |
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480 /* clear the modules contexts */ |
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481 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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482 |
2821
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483 if (m) { |
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484 r->ctx[m->ctx_index] = ctx; |
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485 } |
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486 |
2819
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487 r->filter_finalize = 1; |
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488 |
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489 rc = ngx_http_special_response_handler(r, error); |
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490 |
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491 /* NGX_ERROR resets any pending data */ |
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492 |
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493 switch (rc) { |
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494 |
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495 case NGX_OK: |
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496 case NGX_DONE: |
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497 return NGX_ERROR; |
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498 |
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499 default: |
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500 return rc; |
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501 } |
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502 } |
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503 |
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504 |
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505 void |
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506 ngx_http_clean_header(ngx_http_request_t *r) |
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507 { |
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508 ngx_memzero(&r->headers_out.status, |
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|
509 sizeof(ngx_http_headers_out_t) |
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|
510 - offsetof(ngx_http_headers_out_t, status)); |
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|
511 |
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|
512 r->headers_out.headers.part.nelts = 0; |
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513 r->headers_out.headers.part.next = NULL; |
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514 r->headers_out.headers.last = &r->headers_out.headers.part; |
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515 |
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516 r->headers_out.content_length_n = -1; |
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517 r->headers_out.last_modified_time = -1; |
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518 } |
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|
519 |
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520 |
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521 static ngx_int_t |
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522 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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523 { |
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|
524 ngx_int_t overwrite; |
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|
525 ngx_str_t uri, args; |
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|
526 ngx_table_elt_t *location; |
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527 ngx_http_core_loc_conf_t *clcf; |
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528 |
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|
529 overwrite = err_page->overwrite; |
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|
530 |
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|
531 if (overwrite && overwrite != NGX_HTTP_OK) { |
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|
532 r->expect_tested = 1; |
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|
533 } |
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|
534 |
3781
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|
535 if (overwrite >= 0) { |
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|
536 r->err_status = overwrite; |
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|
537 } |
1604
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|
538 |
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|
539 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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|
540 return NGX_ERROR; |
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|
541 } |
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|
542 |
2685
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|
543 if (uri.data[0] == '/') { |
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|
544 |
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|
545 if (err_page->value.lengths) { |
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|
546 ngx_http_split_args(r, &uri, &args); |
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|
547 |
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|
548 } else { |
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|
549 args = err_page->args; |
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|
550 } |
1922
d23396f2a902
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|
551 |
2192
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|
552 if (r->method != NGX_HTTP_HEAD) { |
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|
553 r->method = NGX_HTTP_GET; |
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|
554 r->method_name = ngx_http_get_name; |
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|
555 } |
1922
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556 |
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557 return ngx_http_internal_redirect(r, &uri, &args); |
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558 } |
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559 |
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560 if (uri.data[0] == '@') { |
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561 return ngx_http_named_location(r, &uri); |
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562 } |
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563 |
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564 location = ngx_list_push(&r->headers_out.headers); |
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565 |
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566 if (location == NULL) { |
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567 return NGX_ERROR; |
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|
568 } |
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|
569 |
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|
570 if (overwrite >= NGX_HTTP_MOVED_PERMANENTLY |
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571 && overwrite <= NGX_HTTP_SEE_OTHER) |
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|
572 { |
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573 r->err_status = overwrite; |
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574 |
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575 } else { |
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576 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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577 } |
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578 |
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579 location->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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|
580 ngx_str_set(&location->key, "Location"); |
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581 location->value = uri; |
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582 |
4206
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Clear old Location header (if any) while adding a new one.
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4201
diff
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|
583 ngx_http_clear_location(r); |
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584 |
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585 r->headers_out.location = location; |
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586 |
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587 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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588 |
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589 if (clcf->msie_refresh && r->headers_in.msie) { |
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590 return ngx_http_send_refresh(r); |
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591 } |
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592 |
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593 return ngx_http_send_special_response(r, clcf, r->err_status |
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594 - NGX_HTTP_MOVED_PERMANENTLY |
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|
595 + NGX_HTTP_OFF_3XX); |
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596 } |
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|
597 |
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598 |
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|
599 static ngx_int_t |
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600 ngx_http_send_special_response(ngx_http_request_t *r, |
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601 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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602 { |
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603 u_char *tail; |
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604 size_t len; |
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605 ngx_int_t rc; |
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606 ngx_buf_t *b; |
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607 ngx_uint_t msie_padding; |
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608 ngx_chain_t out[3]; |
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609 |
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610 if (clcf->server_tokens) { |
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611 len = sizeof(ngx_http_error_full_tail) - 1; |
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612 tail = ngx_http_error_full_tail; |
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613 |
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614 } else { |
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615 len = sizeof(ngx_http_error_tail) - 1; |
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616 tail = ngx_http_error_tail; |
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617 } |
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|
618 |
356
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|
619 msie_padding = 0; |
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|
620 |
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|
621 if (ngx_http_error_pages[err].len) { |
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|
622 r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; |
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|
623 if (clcf->msie_padding |
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624 && (r->headers_in.msie || r->headers_in.chrome) |
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|
625 && r->http_version >= NGX_HTTP_VERSION_10 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
626 && err >= NGX_HTTP_OFF_4XX) |
3663
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627 { |
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|
628 r->headers_out.content_length_n += |
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629 sizeof(ngx_http_msie_padding) - 1; |
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|
630 msie_padding = 1; |
331
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nginx-0.0.3-2004-05-04-21:56:58 import
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diff
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|
631 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
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|
632 |
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|
633 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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|
634 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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|
635 r->headers_out.content_type_lowcase = NULL; |
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|
636 |
68
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nginx-0.0.1-2003-03-12-20:32:22 import
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diff
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|
637 } else { |
4146
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Fix for incorrect 201 replies from dav module.
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|
638 r->headers_out.content_length_n = 0; |
165
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nginx-0.0.1-2003-10-29-20:39:05 import
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diff
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|
639 } |
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diff
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|
640 |
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|
641 if (r->headers_out.content_length) { |
509 | 642 r->headers_out.content_length->hash = 0; |
153
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diff
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|
643 r->headers_out.content_length = NULL; |
68
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|
644 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
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|
645 |
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646 ngx_http_clear_accept_ranges(r); |
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647 ngx_http_clear_last_modified(r); |
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648 |
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649 rc = ngx_http_send_header(r); |
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650 |
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651 if (rc == NGX_ERROR || r->header_only) { |
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652 return rc; |
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653 } |
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654 |
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655 if (ngx_http_error_pages[err].len == 0) { |
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|
656 return ngx_http_send_special(r, NGX_HTTP_LAST); |
1604
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657 } |
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658 |
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659 b = ngx_calloc_buf(r->pool); |
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660 if (b == NULL) { |
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661 return NGX_ERROR; |
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662 } |
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663 |
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664 b->memory = 1; |
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665 b->pos = ngx_http_error_pages[err].data; |
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666 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
1298
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667 |
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668 out[0].buf = b; |
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669 out[0].next = &out[1]; |
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670 |
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671 b = ngx_calloc_buf(r->pool); |
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672 if (b == NULL) { |
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673 return NGX_ERROR; |
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674 } |
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675 |
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676 b->memory = 1; |
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677 |
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678 b->pos = tail; |
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679 b->last = tail + len; |
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680 |
1604
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681 out[1].buf = b; |
2024 | 682 out[1].next = NULL; |
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683 |
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684 if (msie_padding) { |
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685 b = ngx_calloc_buf(r->pool); |
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686 if (b == NULL) { |
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687 return NGX_ERROR; |
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688 } |
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689 |
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690 b->memory = 1; |
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691 b->pos = ngx_http_msie_padding; |
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692 b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; |
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693 |
1604
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694 out[1].next = &out[2]; |
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695 out[2].buf = b; |
2024 | 696 out[2].next = NULL; |
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697 } |
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698 |
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699 if (r == r->main) { |
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700 b->last_buf = 1; |
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701 } |
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702 |
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703 b->last_in_chain = 1; |
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704 |
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705 return ngx_http_output_filter(r, &out[0]); |
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706 } |
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707 |
679 | 708 |
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709 static ngx_int_t |
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710 ngx_http_send_refresh(ngx_http_request_t *r) |
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711 { |
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712 u_char *p, *location; |
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713 size_t len, size; |
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714 uintptr_t escape; |
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715 ngx_int_t rc; |
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716 ngx_buf_t *b; |
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717 ngx_chain_t out; |
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718 |
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719 len = r->headers_out.location->value.len; |
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720 location = r->headers_out.location->value.data; |
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721 |
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722 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
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723 |
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724 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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725 + escape + len |
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726 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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727 |
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728 r->err_status = NGX_HTTP_OK; |
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729 |
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730 r->headers_out.content_type_len = sizeof("text/html") - 1; |
3516
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|
731 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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732 r->headers_out.content_type_lowcase = NULL; |
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733 |
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734 r->headers_out.location->hash = 0; |
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735 r->headers_out.location = NULL; |
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736 |
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737 r->headers_out.content_length_n = size; |
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738 |
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739 if (r->headers_out.content_length) { |
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740 r->headers_out.content_length->hash = 0; |
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741 r->headers_out.content_length = NULL; |
679 | 742 } |
743 | |
577 | 744 ngx_http_clear_accept_ranges(r); |
745 ngx_http_clear_last_modified(r); | |
746 | |
103
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747 rc = ngx_http_send_header(r); |
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748 |
143
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|
749 if (rc == NGX_ERROR || r->header_only) { |
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750 return rc; |
103
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751 } |
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|
752 |
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753 b = ngx_create_temp_buf(r->pool, size); |
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754 if (b == NULL) { |
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755 return NGX_ERROR; |
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|
756 } |
1592 | 757 |
1604
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758 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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759 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 760 |
1604
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761 if (escape == 0) { |
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|
762 p = ngx_cpymem(p, location, len); |
679 | 763 |
764 } else { | |
1604
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|
765 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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|
766 } |
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|
767 |
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|
768 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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|
769 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 770 |
1604
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771 b->last_buf = 1; |
509 | 772 b->last_in_chain = 1; |
103
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|
773 |
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|
774 out.buf = b; |
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775 out.next = NULL; |
501 | 776 |
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|
777 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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|
778 } |