Mercurial > hg > nginx
annotate src/http/ngx_http_special_response.c @ 5714:80bd391c90d1
Configure: added -Wno-deprecated-declarations on OS X.
Previous workaround to avoid warnings on OS X due to deprecated system
OpenSSL library (introduced in a3870ea96ccd) no longer works, as
the MAC_OS_X_VERSION_MIN_REQUIRED macro is ignored on OS X 10.9
if a compiler used supports __attribute__(availability).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 28 May 2014 17:41:44 +0400 |
parents | 6b479db5b52b |
children | 173561dfd567 |
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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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_307_page[] = |
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78 "<html>" CRLF |
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79 "<head><title>307 Temporary Redirect</title></head>" CRLF |
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80 "<body bgcolor=\"white\">" CRLF |
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81 "<center><h1>307 Temporary Redirect</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_400_page[] = |
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86 "<html>" CRLF |
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87 "<head><title>400 Bad Request</title></head>" CRLF |
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88 "<body bgcolor=\"white\">" CRLF |
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89 "<center><h1>400 Bad Request</h1></center>" CRLF |
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90 ; |
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91 |
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93 static char ngx_http_error_401_page[] = |
499 | 94 "<html>" CRLF |
503 | 95 "<head><title>401 Authorization Required</title></head>" CRLF |
499 | 96 "<body bgcolor=\"white\">" CRLF |
503 | 97 "<center><h1>401 Authorization Required</h1></center>" CRLF |
499 | 98 ; |
99 | |
100 | |
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101 static char ngx_http_error_402_page[] = |
499 | 102 "<html>" CRLF |
103 "<head><title>402 Payment Required</title></head>" CRLF | |
104 "<body bgcolor=\"white\">" CRLF | |
105 "<center><h1>402 Payment Required</h1></center>" CRLF | |
106 ; | |
107 | |
108 | |
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109 static char ngx_http_error_403_page[] = |
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110 "<html>" CRLF |
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111 "<head><title>403 Forbidden</title></head>" CRLF |
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112 "<body bgcolor=\"white\">" CRLF |
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113 "<center><h1>403 Forbidden</h1></center>" CRLF |
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114 ; |
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115 |
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116 |
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117 static char ngx_http_error_404_page[] = |
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118 "<html>" CRLF |
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119 "<head><title>404 Not Found</title></head>" CRLF |
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120 "<body bgcolor=\"white\">" CRLF |
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121 "<center><h1>404 Not Found</h1></center>" CRLF |
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122 ; |
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123 |
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124 |
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125 static char ngx_http_error_405_page[] = |
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126 "<html>" CRLF |
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127 "<head><title>405 Not Allowed</title></head>" CRLF |
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128 "<body bgcolor=\"white\">" CRLF |
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129 "<center><h1>405 Not Allowed</h1></center>" CRLF |
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130 ; |
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131 |
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132 |
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133 static char ngx_http_error_406_page[] = |
499 | 134 "<html>" CRLF |
135 "<head><title>406 Not Acceptable</title></head>" CRLF | |
136 "<body bgcolor=\"white\">" CRLF | |
137 "<center><h1>406 Not Acceptable</h1></center>" CRLF | |
138 ; | |
139 | |
140 | |
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141 static char ngx_http_error_408_page[] = |
69
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142 "<html>" CRLF |
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143 "<head><title>408 Request Time-out</title></head>" CRLF |
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144 "<body bgcolor=\"white\">" CRLF |
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145 "<center><h1>408 Request Time-out</h1></center>" CRLF |
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146 ; |
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147 |
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148 |
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149 static char ngx_http_error_409_page[] = |
637 | 150 "<html>" CRLF |
151 "<head><title>409 Conflict</title></head>" CRLF | |
152 "<body bgcolor=\"white\">" CRLF | |
153 "<center><h1>409 Conflict</h1></center>" CRLF | |
154 ; | |
155 | |
156 | |
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157 static char ngx_http_error_410_page[] = |
499 | 158 "<html>" CRLF |
159 "<head><title>410 Gone</title></head>" CRLF | |
160 "<body bgcolor=\"white\">" CRLF | |
161 "<center><h1>410 Gone</h1></center>" CRLF | |
162 ; | |
163 | |
164 | |
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165 static char ngx_http_error_411_page[] = |
581 | 166 "<html>" CRLF |
167 "<head><title>411 Length Required</title></head>" CRLF | |
168 "<body bgcolor=\"white\">" CRLF | |
169 "<center><h1>411 Length Required</h1></center>" CRLF | |
170 ; | |
171 | |
172 | |
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173 static char ngx_http_error_412_page[] = |
1057 | 174 "<html>" CRLF |
175 "<head><title>412 Precondition Failed</title></head>" CRLF | |
176 "<body bgcolor=\"white\">" CRLF | |
177 "<center><h1>412 Precondition Failed</h1></center>" CRLF | |
178 ; | |
179 | |
180 | |
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181 static char ngx_http_error_413_page[] = |
162
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182 "<html>" CRLF |
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183 "<head><title>413 Request Entity Too Large</title></head>" CRLF |
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184 "<body bgcolor=\"white\">" CRLF |
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185 "<center><h1>413 Request Entity 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_414_page[] = |
67
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190 "<html>" CRLF |
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191 "<head><title>414 Request-URI Too Large</title></head>" CRLF |
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192 "<body bgcolor=\"white\">" CRLF |
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193 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF |
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194 ; |
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195 |
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196 |
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197 static char ngx_http_error_415_page[] = |
637 | 198 "<html>" CRLF |
199 "<head><title>415 Unsupported Media Type</title></head>" CRLF | |
200 "<body bgcolor=\"white\">" CRLF | |
201 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF | |
202 ; | |
203 | |
204 | |
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205 static char ngx_http_error_416_page[] = |
99
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206 "<html>" CRLF |
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207 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF |
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208 "<body bgcolor=\"white\">" CRLF |
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209 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF |
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210 ; |
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211 |
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212 |
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213 static char ngx_http_error_494_page[] = |
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214 "<html>" CRLF |
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215 "<head><title>400 Request Header Or Cookie Too Large</title></head>" |
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216 CRLF |
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217 "<body bgcolor=\"white\">" CRLF |
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218 "<center><h1>400 Bad Request</h1></center>" CRLF |
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219 "<center>Request Header Or Cookie Too Large</center>" CRLF |
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220 ; |
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221 |
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222 |
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223 static char ngx_http_error_495_page[] = |
647 | 224 "<html>" CRLF |
225 "<head><title>400 The SSL certificate error</title></head>" | |
226 CRLF | |
227 "<body bgcolor=\"white\">" CRLF | |
228 "<center><h1>400 Bad Request</h1></center>" CRLF | |
229 "<center>The SSL certificate error</center>" CRLF | |
230 ; | |
231 | |
232 | |
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233 static char ngx_http_error_496_page[] = |
647 | 234 "<html>" CRLF |
235 "<head><title>400 No required SSL certificate was sent</title></head>" | |
236 CRLF | |
237 "<body bgcolor=\"white\">" CRLF | |
238 "<center><h1>400 Bad Request</h1></center>" CRLF | |
239 "<center>No required SSL certificate was sent</center>" CRLF | |
240 ; | |
241 | |
242 | |
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243 static char ngx_http_error_497_page[] = |
384
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244 "<html>" CRLF |
396
6f3b20c1ac50
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384
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245 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
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384
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246 CRLF |
384
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247 "<body bgcolor=\"white\">" CRLF |
396
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384
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248 "<center><h1>400 Bad Request</h1></center>" CRLF |
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384
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249 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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250 ; |
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251 |
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252 |
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253 static char ngx_http_error_500_page[] = |
47
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254 "<html>" CRLF |
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255 "<head><title>500 Internal Server Error</title></head>" CRLF |
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256 "<body bgcolor=\"white\">" CRLF |
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257 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
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258 ; |
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259 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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260 |
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261 static char ngx_http_error_501_page[] = |
233
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262 "<html>" CRLF |
4920
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263 "<head><title>501 Not Implemented</title></head>" CRLF |
233
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264 "<body bgcolor=\"white\">" CRLF |
4920
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Request body: fixed "501 Not Implemented" error handling.
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265 "<center><h1>501 Not Implemented</h1></center>" CRLF |
233
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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_502_page[] = |
69
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270 "<html>" CRLF |
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271 "<head><title>502 Bad Gateway</title></head>" CRLF |
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272 "<body bgcolor=\"white\">" CRLF |
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273 "<center><h1>502 Bad Gateway</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_503_page[] = |
162
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278 "<html>" CRLF |
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279 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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280 "<body bgcolor=\"white\">" CRLF |
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281 "<center><h1>503 Service Temporarily Unavailable</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_504_page[] = |
69
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286 "<html>" CRLF |
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287 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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288 "<body bgcolor=\"white\">" CRLF |
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289 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
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290 ; |
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|
291 |
e43f406e4525
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|
292 |
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|
293 static char ngx_http_error_507_page[] = |
637 | 294 "<html>" CRLF |
295 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
296 "<body bgcolor=\"white\">" CRLF | |
297 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
298 ; | |
299 | |
300 | |
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301 static ngx_str_t ngx_http_error_pages[] = { |
499 | 302 |
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303 ngx_null_string, /* 201, 204 */ |
511 | 304 |
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305 #define NGX_HTTP_LAST_2XX 202 |
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306 #define NGX_HTTP_OFF_3XX (NGX_HTTP_LAST_2XX - 201) |
511 | 307 |
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308 /* ngx_null_string, */ /* 300 */ |
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309 ngx_string(ngx_http_error_301_page), |
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310 ngx_string(ngx_http_error_302_page), |
3631 | 311 ngx_string(ngx_http_error_303_page), |
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312 ngx_null_string, /* 304 */ |
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313 ngx_null_string, /* 305 */ |
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314 ngx_null_string, /* 306 */ |
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315 ngx_string(ngx_http_error_307_page), |
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316 |
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317 #define NGX_HTTP_LAST_3XX 308 |
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318 #define NGX_HTTP_OFF_4XX (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX) |
499 | 319 |
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320 ngx_string(ngx_http_error_400_page), |
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321 ngx_string(ngx_http_error_401_page), |
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322 ngx_string(ngx_http_error_402_page), |
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323 ngx_string(ngx_http_error_403_page), |
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324 ngx_string(ngx_http_error_404_page), |
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325 ngx_string(ngx_http_error_405_page), |
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326 ngx_string(ngx_http_error_406_page), |
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327 ngx_null_string, /* 407 */ |
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328 ngx_string(ngx_http_error_408_page), |
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329 ngx_string(ngx_http_error_409_page), |
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330 ngx_string(ngx_http_error_410_page), |
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331 ngx_string(ngx_http_error_411_page), |
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332 ngx_string(ngx_http_error_412_page), |
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333 ngx_string(ngx_http_error_413_page), |
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334 ngx_string(ngx_http_error_414_page), |
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335 ngx_string(ngx_http_error_415_page), |
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336 ngx_string(ngx_http_error_416_page), |
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337 |
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338 #define NGX_HTTP_LAST_4XX 417 |
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339 #define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX) |
499 | 340 |
3848
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introduce 494 code "Request Header Too Large"
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diff
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341 ngx_string(ngx_http_error_494_page), /* 494, request header too large */ |
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342 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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343 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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344 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 345 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
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346 ngx_null_string, /* 499, client has closed connection */ |
335
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diff
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347 |
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348 ngx_string(ngx_http_error_500_page), |
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349 ngx_string(ngx_http_error_501_page), |
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350 ngx_string(ngx_http_error_502_page), |
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351 ngx_string(ngx_http_error_503_page), |
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352 ngx_string(ngx_http_error_504_page), |
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353 ngx_null_string, /* 505 */ |
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354 ngx_null_string, /* 506 */ |
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355 ngx_string(ngx_http_error_507_page) |
2696 | 356 |
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357 #define NGX_HTTP_LAST_5XX 508 |
2696 | 358 |
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359 }; |
24
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360 |
59
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|
361 |
717
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diff
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|
362 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " }; |
716
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allowing handling 400 errors via proxy_pass
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diff
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|
363 |
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|
364 |
487 | 365 ngx_int_t |
366 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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367 { |
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368 ngx_uint_t i, err; |
176
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369 ngx_http_err_page_t *err_page; |
158
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diff
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370 ngx_http_core_loc_conf_t *clcf; |
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371 |
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fix building by bcc/etc introduced in r2038
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|
372 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
5327
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Format specifier fixes in error logging.
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|
373 "http special response: %i, \"%V?%V\"", |
2037 | 374 error, &r->uri, &r->args); |
527 | 375 |
677 | 376 r->err_status = error; |
26
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377 |
2019 | 378 if (r->keepalive) { |
68
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379 switch (error) { |
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380 case NGX_HTTP_BAD_REQUEST: |
162
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diff
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381 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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382 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
e7054aaedf68
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diff
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|
383 case NGX_HTTP_TO_HTTPS: |
647 | 384 case NGX_HTTPS_CERT_ERROR: |
385 case NGX_HTTPS_NO_CERT: | |
68
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386 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
4920
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Request body: fixed "501 Not Implemented" error handling.
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387 case NGX_HTTP_NOT_IMPLEMENTED: |
68
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diff
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|
388 r->keepalive = 0; |
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diff
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389 } |
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390 } |
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diff
changeset
|
391 |
4201
1d52dd2b5bb7
Stylistic change in checking the boolean expression.
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4146
diff
changeset
|
392 if (r->lingering_close) { |
88
674d333f4296
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diff
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|
393 switch (error) { |
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394 case NGX_HTTP_BAD_REQUEST: |
384
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356
diff
changeset
|
395 case NGX_HTTP_TO_HTTPS: |
647 | 396 case NGX_HTTPS_CERT_ERROR: |
397 case NGX_HTTPS_NO_CERT: | |
88
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|
398 r->lingering_close = 0; |
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399 } |
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diff
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|
400 } |
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diff
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|
401 |
675 | 402 r->headers_out.content_type.len = 0; |
403 | |
176
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404 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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405 |
2174
20a7fc523aec
disable error_page loop in 500 error when recursive errors are enabled
Igor Sysoev <igor@sysoev.ru>
parents:
2040
diff
changeset
|
406 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 407 |
408 if (clcf->recursive_error_pages == 0) { | |
409 r->error_page = 1; | |
410 } | |
477 | 411 |
176
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412 err_page = clcf->error_pages->elts; |
477 | 413 |
176
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414 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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parents:
323
diff
changeset
|
415 if (err_page[i].status == error) { |
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416 return ngx_http_send_error_page(r, &err_page[i]); |
176
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417 } |
c0552e5ab567
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diff
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418 } |
c0552e5ab567
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diff
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419 } |
c0552e5ab567
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420 |
2436
26d9d4a41e91
send "100 Continue" just before reading request body
Igor Sysoev <igor@sysoev.ru>
parents:
2192
diff
changeset
|
421 r->expect_tested = 1; |
26d9d4a41e91
send "100 Continue" just before reading request body
Igor Sysoev <igor@sysoev.ru>
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2192
diff
changeset
|
422 |
2191
808547aa8c12
do not discard body while error_page redirection
Igor Sysoev <igor@sysoev.ru>
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2174
diff
changeset
|
423 if (ngx_http_discard_request_body(r) != NGX_OK) { |
4935
7bd1c839af3b
Request body: improved handling of incorrect chunked request body.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4920
diff
changeset
|
424 r->keepalive = 0; |
2191
808547aa8c12
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2174
diff
changeset
|
425 } |
808547aa8c12
do not discard body while error_page redirection
Igor Sysoev <igor@sysoev.ru>
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426 |
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427 if (clcf->msie_refresh |
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428 && r->headers_in.msie |
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429 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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430 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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431 { |
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432 return ngx_http_send_refresh(r); |
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433 } |
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434 |
633 | 435 if (error == NGX_HTTP_CREATED) { |
436 /* 201 */ | |
437 err = 0; | |
438 | |
439 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 440 /* 204 */ |
441 err = 0; | |
442 | |
2696 | 443 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
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444 && error < NGX_HTTP_LAST_3XX) |
2696 | 445 { |
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446 /* 3XX */ |
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447 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX; |
176
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448 |
2696 | 449 } else if (error >= NGX_HTTP_BAD_REQUEST |
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450 && error < NGX_HTTP_LAST_4XX) |
2696 | 451 { |
176
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452 /* 4XX */ |
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453 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX; |
176
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454 |
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455 } else if (error >= NGX_HTTP_NGINX_CODES |
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456 && error < NGX_HTTP_LAST_5XX) |
2696 | 457 { |
335
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458 /* 49X, 5XX */ |
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459 err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX; |
335
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460 switch (error) { |
384
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461 case NGX_HTTP_TO_HTTPS: |
647 | 462 case NGX_HTTPS_CERT_ERROR: |
463 case NGX_HTTPS_NO_CERT: | |
3848
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464 case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: |
679 | 465 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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466 break; |
335
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467 } |
2696 | 468 |
469 } else { | |
470 /* unknown code, zero body */ | |
471 err = 0; | |
176
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472 } |
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473 |
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474 return ngx_http_send_special_response(r, clcf, err); |
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475 } |
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476 |
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477 |
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478 ngx_int_t |
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479 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, |
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480 ngx_int_t error) |
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481 { |
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482 void *ctx; |
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483 ngx_int_t rc; |
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484 |
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485 ngx_http_clean_header(r); |
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486 |
2822 | 487 ctx = NULL; |
488 | |
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489 if (m) { |
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490 ctx = r->ctx[m->ctx_index]; |
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491 } |
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492 |
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493 /* clear the modules contexts */ |
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494 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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495 |
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496 if (m) { |
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497 r->ctx[m->ctx_index] = ctx; |
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498 } |
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499 |
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500 r->filter_finalize = 1; |
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501 |
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502 rc = ngx_http_special_response_handler(r, error); |
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503 |
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504 /* NGX_ERROR resets any pending data */ |
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505 |
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506 switch (rc) { |
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507 |
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508 case NGX_OK: |
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509 case NGX_DONE: |
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510 return NGX_ERROR; |
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511 |
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512 default: |
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513 return rc; |
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514 } |
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515 } |
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516 |
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517 |
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518 void |
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519 ngx_http_clean_header(ngx_http_request_t *r) |
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520 { |
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521 ngx_memzero(&r->headers_out.status, |
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522 sizeof(ngx_http_headers_out_t) |
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523 - offsetof(ngx_http_headers_out_t, status)); |
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524 |
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525 r->headers_out.headers.part.nelts = 0; |
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526 r->headers_out.headers.part.next = NULL; |
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527 r->headers_out.headers.last = &r->headers_out.headers.part; |
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528 |
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529 r->headers_out.content_length_n = -1; |
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530 r->headers_out.last_modified_time = -1; |
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531 } |
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532 |
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533 |
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534 static ngx_int_t |
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535 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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536 { |
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|
537 ngx_int_t overwrite; |
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|
538 ngx_str_t uri, args; |
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|
539 ngx_table_elt_t *location; |
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|
540 ngx_http_core_loc_conf_t *clcf; |
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541 |
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|
542 overwrite = err_page->overwrite; |
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|
543 |
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|
544 if (overwrite && overwrite != NGX_HTTP_OK) { |
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|
545 r->expect_tested = 1; |
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|
546 } |
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|
547 |
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|
548 if (overwrite >= 0) { |
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|
549 r->err_status = overwrite; |
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|
550 } |
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|
551 |
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|
552 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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553 return NGX_ERROR; |
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554 } |
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555 |
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556 if (uri.data[0] == '/') { |
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557 |
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558 if (err_page->value.lengths) { |
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559 ngx_http_split_args(r, &uri, &args); |
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560 |
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561 } else { |
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562 args = err_page->args; |
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563 } |
1922
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|
564 |
2192
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2191
diff
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|
565 if (r->method != NGX_HTTP_HEAD) { |
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parents:
2191
diff
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|
566 r->method = NGX_HTTP_GET; |
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2191
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567 r->method_name = ngx_http_get_name; |
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568 } |
1922
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|
569 |
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570 return ngx_http_internal_redirect(r, &uri, &args); |
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571 } |
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572 |
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573 if (uri.data[0] == '@') { |
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574 return ngx_http_named_location(r, &uri); |
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575 } |
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576 |
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577 location = ngx_list_push(&r->headers_out.headers); |
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578 |
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579 if (location == NULL) { |
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580 return NGX_ERROR; |
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581 } |
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582 |
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583 if (overwrite != NGX_HTTP_MOVED_PERMANENTLY |
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584 && overwrite != NGX_HTTP_MOVED_TEMPORARILY |
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585 && overwrite != NGX_HTTP_SEE_OTHER |
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parents:
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|
586 && overwrite != NGX_HTTP_TEMPORARY_REDIRECT) |
3860
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fix "error_page 497 https://" case
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|
587 { |
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588 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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589 } |
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590 |
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591 location->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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3316
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|
592 ngx_str_set(&location->key, "Location"); |
2589
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593 location->value = uri; |
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|
594 |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
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diff
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|
595 ngx_http_clear_location(r); |
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|
596 |
1604
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597 r->headers_out.location = location; |
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|
598 |
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599 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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600 |
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|
601 if (clcf->msie_refresh && r->headers_in.msie) { |
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parents:
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602 return ngx_http_send_refresh(r); |
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603 } |
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|
604 |
3781
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|
605 return ngx_http_send_special_response(r, clcf, r->err_status |
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|
606 - NGX_HTTP_MOVED_PERMANENTLY |
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parents:
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|
607 + NGX_HTTP_OFF_3XX); |
1604
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|
608 } |
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|
609 |
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|
610 |
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|
611 static ngx_int_t |
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612 ngx_http_send_special_response(ngx_http_request_t *r, |
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613 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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|
614 { |
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|
615 u_char *tail; |
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|
616 size_t len; |
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|
617 ngx_int_t rc; |
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|
618 ngx_buf_t *b; |
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|
619 ngx_uint_t msie_padding; |
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|
620 ngx_chain_t out[3]; |
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|
621 |
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|
622 if (clcf->server_tokens) { |
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|
623 len = sizeof(ngx_http_error_full_tail) - 1; |
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|
624 tail = ngx_http_error_full_tail; |
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|
625 |
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|
626 } else { |
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|
627 len = sizeof(ngx_http_error_tail) - 1; |
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|
628 tail = ngx_http_error_tail; |
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|
629 } |
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|
630 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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diff
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|
631 msie_padding = 0; |
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|
632 |
3663
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|
633 if (ngx_http_error_pages[err].len) { |
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|
634 r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; |
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|
635 if (clcf->msie_padding |
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|
636 && (r->headers_in.msie || r->headers_in.chrome) |
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|
637 && r->http_version >= NGX_HTTP_VERSION_10 |
4490
0cc1b430a0e6
Renamed constants and fixed off-by-one error in "msie_padding on" handling.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
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|
638 && err >= NGX_HTTP_OFF_4XX) |
3663
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|
639 { |
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|
640 r->headers_out.content_length_n += |
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|
641 sizeof(ngx_http_msie_padding) - 1; |
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|
642 msie_padding = 1; |
331
f168a88e93f7
nginx-0.0.3-2004-05-04-21:56:58 import
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parents:
326
diff
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|
643 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
98
diff
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|
644 |
3663
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|
645 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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|
646 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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|
647 r->headers_out.content_type_lowcase = NULL; |
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|
648 |
68
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
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67
diff
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|
649 } else { |
4146
55acacac22df
Fix for incorrect 201 replies from dav module.
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parents:
3860
diff
changeset
|
650 r->headers_out.content_length_n = 0; |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
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diff
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|
651 } |
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|
652 |
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|
653 if (r->headers_out.content_length) { |
509 | 654 r->headers_out.content_length->hash = 0; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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parents:
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diff
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|
655 r->headers_out.content_length = NULL; |
68
d549fdc17d7e
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parents:
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diff
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|
656 } |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
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parents:
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|
657 |
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|
658 ngx_http_clear_accept_ranges(r); |
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|
659 ngx_http_clear_last_modified(r); |
4746
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|
660 ngx_http_clear_etag(r); |
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661 |
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662 rc = ngx_http_send_header(r); |
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663 |
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664 if (rc == NGX_ERROR || r->header_only) { |
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665 return rc; |
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666 } |
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667 |
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668 if (ngx_http_error_pages[err].len == 0) { |
4146
55acacac22df
Fix for incorrect 201 replies from dav module.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3860
diff
changeset
|
669 return ngx_http_send_special(r, NGX_HTTP_LAST); |
1604
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670 } |
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671 |
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672 b = ngx_calloc_buf(r->pool); |
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673 if (b == NULL) { |
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|
674 return NGX_ERROR; |
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|
675 } |
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|
676 |
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677 b->memory = 1; |
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|
678 b->pos = ngx_http_error_pages[err].data; |
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679 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
1298
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msie_refresh should escape at least '"' to prevent XSS
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680 |
1604
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681 out[0].buf = b; |
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682 out[0].next = &out[1]; |
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|
683 |
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|
684 b = ngx_calloc_buf(r->pool); |
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685 if (b == NULL) { |
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|
686 return NGX_ERROR; |
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|
687 } |
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688 |
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689 b->memory = 1; |
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|
690 |
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691 b->pos = tail; |
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692 b->last = tail + len; |
1298
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|
693 |
1604
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|
694 out[1].buf = b; |
2024 | 695 out[1].next = NULL; |
1604
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696 |
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697 if (msie_padding) { |
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698 b = ngx_calloc_buf(r->pool); |
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699 if (b == NULL) { |
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700 return NGX_ERROR; |
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|
701 } |
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702 |
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|
703 b->memory = 1; |
3316
a63dd08379c4
add MSIE padding for Chrome too
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
704 b->pos = ngx_http_msie_padding; |
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705 b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; |
1298
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|
706 |
1604
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|
707 out[1].next = &out[2]; |
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|
708 out[2].buf = b; |
2024 | 709 out[2].next = NULL; |
1604
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710 } |
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|
711 |
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|
712 if (r == r->main) { |
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|
713 b->last_buf = 1; |
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|
714 } |
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|
715 |
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|
716 b->last_in_chain = 1; |
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|
717 |
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718 return ngx_http_output_filter(r, &out[0]); |
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719 } |
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720 |
679 | 721 |
1604
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722 static ngx_int_t |
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723 ngx_http_send_refresh(ngx_http_request_t *r) |
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724 { |
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725 u_char *p, *location; |
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726 size_t len, size; |
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727 uintptr_t escape; |
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|
728 ngx_int_t rc; |
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|
729 ngx_buf_t *b; |
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|
730 ngx_chain_t out; |
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|
731 |
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732 len = r->headers_out.location->value.len; |
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733 location = r->headers_out.location->value.data; |
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|
734 |
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|
735 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
1298
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parents:
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|
736 |
1604
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|
737 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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738 + escape + len |
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|
739 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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|
740 |
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|
741 r->err_status = NGX_HTTP_OK; |
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|
742 |
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|
743 r->headers_out.content_type_len = sizeof("text/html") - 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3316
diff
changeset
|
744 ngx_str_set(&r->headers_out.content_type, "text/html"); |
2882
896db5a09bd2
reset content_type hash value, this fixes a bug when XSLT responses
Igor Sysoev <igor@sysoev.ru>
parents:
2822
diff
changeset
|
745 r->headers_out.content_type_lowcase = NULL; |
1604
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|
746 |
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|
747 r->headers_out.location->hash = 0; |
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|
748 r->headers_out.location = NULL; |
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|
749 |
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|
750 r->headers_out.content_length_n = size; |
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|
751 |
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|
752 if (r->headers_out.content_length) { |
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|
753 r->headers_out.content_length->hash = 0; |
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|
754 r->headers_out.content_length = NULL; |
679 | 755 } |
756 | |
577 | 757 ngx_http_clear_accept_ranges(r); |
758 ngx_http_clear_last_modified(r); | |
4746
4a18bf1833a9
Entity tags: clear on entity changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4491
diff
changeset
|
759 ngx_http_clear_etag(r); |
577 | 760 |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
|
761 rc = ngx_http_send_header(r); |
142
cb77c084acdb
nginx-0.0.1-2003-10-09-11:00:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
762 |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
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|
763 if (rc == NGX_ERROR || r->header_only) { |
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|
764 return rc; |
103
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parents:
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diff
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|
765 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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diff
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|
766 |
1604
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|
767 b = ngx_create_temp_buf(r->pool, size); |
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|
768 if (b == NULL) { |
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|
769 return NGX_ERROR; |
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|
770 } |
1592 | 771 |
1604
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|
772 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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parents:
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|
773 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 774 |
1604
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|
775 if (escape == 0) { |
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changeset
|
776 p = ngx_cpymem(p, location, len); |
679 | 777 |
778 } else { | |
1604
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|
779 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
6dfda4cf5200
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parents:
99
diff
changeset
|
780 } |
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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diff
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|
781 |
1604
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|
782 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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|
783 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 784 |
1604
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|
785 b->last_buf = 1; |
509 | 786 b->last_in_chain = 1; |
103
6dfda4cf5200
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diff
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|
787 |
1604
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|
788 out.buf = b; |
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|
789 out.next = NULL; |
501 | 790 |
1604
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|
791 return ngx_http_output_filter(r, &out); |
24
77c7629a2627
nginx-0.0.1-2002-12-10-21:05:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
792 } |