Mercurial > hg > nginx-quic
annotate src/http/ngx_http_special_response.c @ 6671:6b1b8c4b7a95
Realip: fixed uninitialized memory access.
Previously, the realip module could be left with uninitialized context after an
error in the ngx_http_realip_set_addr() function. That context could be later
accessed by $realip_remote_addr and $realip_remote_port variable handlers.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Thu, 01 Sep 2016 14:33:51 +0300 |
parents | 654d2dae97d3 |
children | 6136a51f9c21 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 #include <nginx.h> |
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13 |
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14 static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r, |
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15 ngx_http_err_page_t *err_page); |
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16 static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r, |
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17 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err); |
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18 static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r); |
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19 |
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20 |
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21 static u_char ngx_http_error_full_tail[] = |
1592 | 22 "<hr><center>" NGINX_VER "</center>" CRLF |
23 "</body>" CRLF | |
24 "</html>" CRLF | |
25 ; | |
26 | |
27 | |
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28 static u_char ngx_http_error_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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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[] = |
45
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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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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[] = |
96
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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 |
a059e1aa65d4
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212 |
6556
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HTTP/2: the "421 Misdirected Request" response (closes #848).
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213 static char ngx_http_error_421_page[] = |
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214 "<html>" CRLF |
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215 "<head><title>421 Misdirected Request</title></head>" CRLF |
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216 "<body bgcolor=\"white\">" CRLF |
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217 "<center><h1>421 Misdirected Request</h1></center>" CRLF |
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218 ; |
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219 |
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HTTP/2: the "421 Misdirected Request" response (closes #848).
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220 |
3848
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221 static char ngx_http_error_494_page[] = |
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222 "<html>" CRLF |
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223 "<head><title>400 Request Header Or Cookie Too Large</title></head>" |
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224 CRLF |
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225 "<body bgcolor=\"white\">" CRLF |
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226 "<center><h1>400 Bad Request</h1></center>" CRLF |
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227 "<center>Request Header Or Cookie Too Large</center>" CRLF |
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228 ; |
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229 |
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230 |
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231 static char ngx_http_error_495_page[] = |
647 | 232 "<html>" CRLF |
233 "<head><title>400 The SSL certificate error</title></head>" | |
234 CRLF | |
235 "<body bgcolor=\"white\">" CRLF | |
236 "<center><h1>400 Bad Request</h1></center>" CRLF | |
237 "<center>The SSL certificate error</center>" CRLF | |
238 ; | |
239 | |
240 | |
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241 static char ngx_http_error_496_page[] = |
647 | 242 "<html>" CRLF |
243 "<head><title>400 No required SSL certificate was sent</title></head>" | |
244 CRLF | |
245 "<body bgcolor=\"white\">" CRLF | |
246 "<center><h1>400 Bad Request</h1></center>" CRLF | |
247 "<center>No required SSL certificate was sent</center>" CRLF | |
248 ; | |
249 | |
250 | |
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251 static char ngx_http_error_497_page[] = |
384
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356
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252 "<html>" CRLF |
396
6f3b20c1ac50
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Igor Sysoev <igor@sysoev.ru>
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384
diff
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253 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>" |
6f3b20c1ac50
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Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
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|
254 CRLF |
384
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356
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255 "<body bgcolor=\"white\">" CRLF |
396
6f3b20c1ac50
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Igor Sysoev <igor@sysoev.ru>
parents:
384
diff
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|
256 "<center><h1>400 Bad Request</h1></center>" CRLF |
6f3b20c1ac50
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parents:
384
diff
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|
257 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF |
384
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258 ; |
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259 |
e7054aaedf68
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260 |
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261 static char ngx_http_error_500_page[] = |
47
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45
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262 "<html>" CRLF |
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45
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263 "<head><title>500 Internal Server Error</title></head>" CRLF |
d81326c3b21b
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264 "<body bgcolor=\"white\">" CRLF |
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parents:
45
diff
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265 "<center><h1>500 Internal Server Error</h1></center>" CRLF |
d81326c3b21b
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45
diff
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266 ; |
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267 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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parents:
24
diff
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|
268 |
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269 static char ngx_http_error_501_page[] = |
233
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
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179
diff
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270 "<html>" CRLF |
4920
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Request body: fixed "501 Not Implemented" error handling.
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271 "<head><title>501 Not Implemented</title></head>" CRLF |
233
4eaafcd57be7
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272 "<body bgcolor=\"white\">" CRLF |
4920
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Request body: fixed "501 Not Implemented" error handling.
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273 "<center><h1>501 Not Implemented</h1></center>" CRLF |
233
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parents:
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274 ; |
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parents:
179
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275 |
4eaafcd57be7
nginx-0.0.1-2004-01-19-21:09:14 import
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parents:
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276 |
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277 static char ngx_http_error_502_page[] = |
69
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68
diff
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278 "<html>" CRLF |
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68
diff
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|
279 "<head><title>502 Bad Gateway</title></head>" CRLF |
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280 "<body bgcolor=\"white\">" CRLF |
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68
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|
281 "<center><h1>502 Bad Gateway</h1></center>" CRLF |
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parents:
68
diff
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282 ; |
e43f406e4525
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Igor Sysoev <igor@sysoev.ru>
parents:
68
diff
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|
283 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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parents:
68
diff
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|
284 |
1604
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|
285 static char ngx_http_error_503_page[] = |
162
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161
diff
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286 "<html>" CRLF |
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287 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF |
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161
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288 "<body bgcolor=\"white\">" CRLF |
96993d4d5067
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161
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|
289 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
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parents:
161
diff
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|
290 ; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
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|
291 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
161
diff
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|
292 |
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parents:
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293 static char ngx_http_error_504_page[] = |
69
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294 "<html>" CRLF |
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295 "<head><title>504 Gateway Time-out</title></head>" CRLF |
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296 "<body bgcolor=\"white\">" CRLF |
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297 "<center><h1>504 Gateway Time-out</h1></center>" CRLF |
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298 ; |
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299 |
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300 |
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301 static char ngx_http_error_507_page[] = |
637 | 302 "<html>" CRLF |
303 "<head><title>507 Insufficient Storage</title></head>" CRLF | |
304 "<body bgcolor=\"white\">" CRLF | |
305 "<center><h1>507 Insufficient Storage</h1></center>" CRLF | |
306 ; | |
307 | |
308 | |
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309 static ngx_str_t ngx_http_error_pages[] = { |
499 | 310 |
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311 ngx_null_string, /* 201, 204 */ |
511 | 312 |
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313 #define NGX_HTTP_LAST_2XX 202 |
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314 #define NGX_HTTP_OFF_3XX (NGX_HTTP_LAST_2XX - 201) |
511 | 315 |
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316 /* ngx_null_string, */ /* 300 */ |
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317 ngx_string(ngx_http_error_301_page), |
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318 ngx_string(ngx_http_error_302_page), |
3631 | 319 ngx_string(ngx_http_error_303_page), |
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320 ngx_null_string, /* 304 */ |
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321 ngx_null_string, /* 305 */ |
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322 ngx_null_string, /* 306 */ |
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323 ngx_string(ngx_http_error_307_page), |
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324 |
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325 #define NGX_HTTP_LAST_3XX 308 |
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326 #define NGX_HTTP_OFF_4XX (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX) |
499 | 327 |
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328 ngx_string(ngx_http_error_400_page), |
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329 ngx_string(ngx_http_error_401_page), |
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330 ngx_string(ngx_http_error_402_page), |
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331 ngx_string(ngx_http_error_403_page), |
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332 ngx_string(ngx_http_error_404_page), |
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333 ngx_string(ngx_http_error_405_page), |
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334 ngx_string(ngx_http_error_406_page), |
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335 ngx_null_string, /* 407 */ |
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336 ngx_string(ngx_http_error_408_page), |
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337 ngx_string(ngx_http_error_409_page), |
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338 ngx_string(ngx_http_error_410_page), |
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339 ngx_string(ngx_http_error_411_page), |
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340 ngx_string(ngx_http_error_412_page), |
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341 ngx_string(ngx_http_error_413_page), |
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342 ngx_string(ngx_http_error_414_page), |
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343 ngx_string(ngx_http_error_415_page), |
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344 ngx_string(ngx_http_error_416_page), |
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HTTP/2: the "421 Misdirected Request" response (closes #848).
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345 ngx_null_string, /* 417 */ |
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346 ngx_null_string, /* 418 */ |
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347 ngx_null_string, /* 419 */ |
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348 ngx_null_string, /* 420 */ |
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349 ngx_string(ngx_http_error_421_page), |
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350 |
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351 #define NGX_HTTP_LAST_4XX 422 |
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352 #define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX) |
499 | 353 |
3848
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354 ngx_string(ngx_http_error_494_page), /* 494, request header too large */ |
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355 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */ |
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356 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */ |
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357 ngx_string(ngx_http_error_497_page), /* 497, http to https */ |
1672 | 358 ngx_string(ngx_http_error_404_page), /* 498, canceled */ |
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359 ngx_null_string, /* 499, client has closed connection */ |
335
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360 |
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361 ngx_string(ngx_http_error_500_page), |
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362 ngx_string(ngx_http_error_501_page), |
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363 ngx_string(ngx_http_error_502_page), |
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364 ngx_string(ngx_http_error_503_page), |
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365 ngx_string(ngx_http_error_504_page), |
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366 ngx_null_string, /* 505 */ |
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367 ngx_null_string, /* 506 */ |
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368 ngx_string(ngx_http_error_507_page) |
2696 | 369 |
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370 #define NGX_HTTP_LAST_5XX 508 |
2696 | 371 |
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372 }; |
24
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373 |
59
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374 |
487 | 375 ngx_int_t |
376 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error) | |
24
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377 { |
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378 ngx_uint_t i, err; |
176
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379 ngx_http_err_page_t *err_page; |
158
d377ee423603
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380 ngx_http_core_loc_conf_t *clcf; |
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381 |
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fix building by bcc/etc introduced in r2038
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diff
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|
382 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
5327
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Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
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diff
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|
383 "http special response: %i, \"%V?%V\"", |
2037 | 384 error, &r->uri, &r->args); |
527 | 385 |
677 | 386 r->err_status = error; |
26
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387 |
2019 | 388 if (r->keepalive) { |
68
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389 switch (error) { |
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390 case NGX_HTTP_BAD_REQUEST: |
162
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161
diff
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|
391 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE: |
68
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392 case NGX_HTTP_REQUEST_URI_TOO_LARGE: |
384
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|
393 case NGX_HTTP_TO_HTTPS: |
647 | 394 case NGX_HTTPS_CERT_ERROR: |
395 case NGX_HTTPS_NO_CERT: | |
68
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|
396 case NGX_HTTP_INTERNAL_SERVER_ERROR: |
4920
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Request body: fixed "501 Not Implemented" error handling.
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|
397 case NGX_HTTP_NOT_IMPLEMENTED: |
68
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|
398 r->keepalive = 0; |
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399 } |
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400 } |
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diff
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|
401 |
4201
1d52dd2b5bb7
Stylistic change in checking the boolean expression.
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4146
diff
changeset
|
402 if (r->lingering_close) { |
88
674d333f4296
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71
diff
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|
403 switch (error) { |
674d333f4296
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71
diff
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|
404 case NGX_HTTP_BAD_REQUEST: |
384
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nginx-0.0.7-2004-07-09-11:12:14 import
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356
diff
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|
405 case NGX_HTTP_TO_HTTPS: |
647 | 406 case NGX_HTTPS_CERT_ERROR: |
407 case NGX_HTTPS_NO_CERT: | |
88
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|
408 r->lingering_close = 0; |
674d333f4296
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409 } |
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410 } |
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411 |
675 | 412 r->headers_out.content_type.len = 0; |
413 | |
176
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414 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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415 |
2174
20a7fc523aec
disable error_page loop in 500 error when recursive errors are enabled
Igor Sysoev <igor@sysoev.ru>
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2040
diff
changeset
|
416 if (!r->error_page && clcf->error_pages && r->uri_changes != 0) { |
679 | 417 |
418 if (clcf->recursive_error_pages == 0) { | |
419 r->error_page = 1; | |
420 } | |
477 | 421 |
176
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422 err_page = clcf->error_pages->elts; |
477 | 423 |
176
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424 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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425 if (err_page[i].status == error) { |
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426 return ngx_http_send_error_page(r, &err_page[i]); |
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427 } |
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428 } |
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429 } |
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430 |
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431 r->expect_tested = 1; |
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432 |
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433 if (ngx_http_discard_request_body(r) != NGX_OK) { |
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434 r->keepalive = 0; |
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435 } |
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436 |
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437 if (clcf->msie_refresh |
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438 && r->headers_in.msie |
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439 && (error == NGX_HTTP_MOVED_PERMANENTLY |
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440 || error == NGX_HTTP_MOVED_TEMPORARILY)) |
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441 { |
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442 return ngx_http_send_refresh(r); |
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443 } |
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444 |
633 | 445 if (error == NGX_HTTP_CREATED) { |
446 /* 201 */ | |
447 err = 0; | |
448 | |
449 } else if (error == NGX_HTTP_NO_CONTENT) { | |
511 | 450 /* 204 */ |
451 err = 0; | |
452 | |
2696 | 453 } else if (error >= NGX_HTTP_MOVED_PERMANENTLY |
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454 && error < NGX_HTTP_LAST_3XX) |
2696 | 455 { |
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456 /* 3XX */ |
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457 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_OFF_3XX; |
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458 |
2696 | 459 } else if (error >= NGX_HTTP_BAD_REQUEST |
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460 && error < NGX_HTTP_LAST_4XX) |
2696 | 461 { |
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462 /* 4XX */ |
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463 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_OFF_4XX; |
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464 |
3845
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465 } else if (error >= NGX_HTTP_NGINX_CODES |
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466 && error < NGX_HTTP_LAST_5XX) |
2696 | 467 { |
335
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468 /* 49X, 5XX */ |
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469 err = error - NGX_HTTP_NGINX_CODES + NGX_HTTP_OFF_5XX; |
335
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470 switch (error) { |
384
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471 case NGX_HTTP_TO_HTTPS: |
647 | 472 case NGX_HTTPS_CERT_ERROR: |
473 case NGX_HTTPS_NO_CERT: | |
3848
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474 case NGX_HTTP_REQUEST_HEADER_TOO_LARGE: |
679 | 475 r->err_status = NGX_HTTP_BAD_REQUEST; |
384
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476 break; |
335
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477 } |
2696 | 478 |
479 } else { | |
480 /* unknown code, zero body */ | |
481 err = 0; | |
176
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482 } |
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483 |
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484 return ngx_http_send_special_response(r, clcf, err); |
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485 } |
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486 |
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487 |
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488 ngx_int_t |
2821
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489 ngx_http_filter_finalize_request(ngx_http_request_t *r, ngx_module_t *m, |
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|
490 ngx_int_t error) |
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491 { |
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492 void *ctx; |
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|
493 ngx_int_t rc; |
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494 |
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495 ngx_http_clean_header(r); |
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496 |
2822 | 497 ctx = NULL; |
498 | |
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499 if (m) { |
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500 ctx = r->ctx[m->ctx_index]; |
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501 } |
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502 |
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503 /* clear the modules contexts */ |
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504 ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
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505 |
2821
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506 if (m) { |
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507 r->ctx[m->ctx_index] = ctx; |
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508 } |
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|
509 |
2819
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510 r->filter_finalize = 1; |
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511 |
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512 rc = ngx_http_special_response_handler(r, error); |
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513 |
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514 /* NGX_ERROR resets any pending data */ |
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515 |
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516 switch (rc) { |
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517 |
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518 case NGX_OK: |
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519 case NGX_DONE: |
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520 return NGX_ERROR; |
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521 |
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522 default: |
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523 return rc; |
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524 } |
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525 } |
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|
526 |
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527 |
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528 void |
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|
529 ngx_http_clean_header(ngx_http_request_t *r) |
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530 { |
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|
531 ngx_memzero(&r->headers_out.status, |
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|
532 sizeof(ngx_http_headers_out_t) |
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|
533 - offsetof(ngx_http_headers_out_t, status)); |
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|
534 |
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|
535 r->headers_out.headers.part.nelts = 0; |
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|
536 r->headers_out.headers.part.next = NULL; |
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|
537 r->headers_out.headers.last = &r->headers_out.headers.part; |
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|
538 |
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|
539 r->headers_out.content_length_n = -1; |
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|
540 r->headers_out.last_modified_time = -1; |
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|
541 } |
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|
542 |
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|
543 |
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544 static ngx_int_t |
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|
545 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page) |
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|
546 { |
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|
547 ngx_int_t overwrite; |
2589
859f6675a553
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|
548 ngx_str_t uri, args; |
1604
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|
549 ngx_table_elt_t *location; |
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|
550 ngx_http_core_loc_conf_t *clcf; |
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551 |
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552 overwrite = err_page->overwrite; |
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553 |
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diff
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554 if (overwrite && overwrite != NGX_HTTP_OK) { |
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555 r->expect_tested = 1; |
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556 } |
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557 |
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558 if (overwrite >= 0) { |
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559 r->err_status = overwrite; |
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560 } |
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561 |
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562 if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) { |
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563 return NGX_ERROR; |
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564 } |
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|
565 |
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173561dfd567
Fixed invalid access to complex value defined as an empty string.
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parents:
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diff
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|
566 if (uri.len && uri.data[0] == '/') { |
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parents:
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567 |
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parents:
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diff
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568 if (err_page->value.lengths) { |
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diff
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569 ngx_http_split_args(r, &uri, &args); |
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changeset
|
570 |
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571 } else { |
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572 args = err_page->args; |
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573 } |
1922
d23396f2a902
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parents:
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|
574 |
2192
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parents:
2191
diff
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|
575 if (r->method != NGX_HTTP_HEAD) { |
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parents:
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diff
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|
576 r->method = NGX_HTTP_GET; |
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Reduced the number of GET method constants.
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parents:
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diff
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|
577 r->method_name = ngx_http_core_get_method; |
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578 } |
1922
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579 |
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580 return ngx_http_internal_redirect(r, &uri, &args); |
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581 } |
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582 |
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|
583 if (uri.len && uri.data[0] == '@') { |
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584 return ngx_http_named_location(r, &uri); |
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585 } |
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|
586 |
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587 location = ngx_list_push(&r->headers_out.headers); |
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588 |
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589 if (location == NULL) { |
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590 return NGX_ERROR; |
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|
591 } |
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diff
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|
592 |
4491
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parents:
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|
593 if (overwrite != NGX_HTTP_MOVED_PERMANENTLY |
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|
594 && overwrite != NGX_HTTP_MOVED_TEMPORARILY |
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|
595 && overwrite != NGX_HTTP_SEE_OTHER |
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diff
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|
596 && overwrite != NGX_HTTP_TEMPORARY_REDIRECT) |
3860
39ad979cd31e
fix "error_page 497 https://" case
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parents:
3848
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|
597 { |
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parents:
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diff
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|
598 r->err_status = NGX_HTTP_MOVED_TEMPORARILY; |
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diff
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|
599 } |
1604
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|
600 |
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diff
changeset
|
601 location->hash = 1; |
3516
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ngx_str_set() and ngx_str_null()
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parents:
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diff
changeset
|
602 ngx_str_set(&location->key, "Location"); |
2589
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|
603 location->value = uri; |
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diff
changeset
|
604 |
4206
1a94a56a4e5d
Clear old Location header (if any) while adding a new one.
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parents:
4201
diff
changeset
|
605 ngx_http_clear_location(r); |
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parents:
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|
606 |
1604
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|
607 r->headers_out.location = location; |
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|
608 |
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|
609 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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|
610 |
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|
611 if (clcf->msie_refresh && r->headers_in.msie) { |
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|
612 return ngx_http_send_refresh(r); |
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|
613 } |
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|
614 |
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|
615 return ngx_http_send_special_response(r, clcf, r->err_status |
1604
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|
616 - NGX_HTTP_MOVED_PERMANENTLY |
4490
0cc1b430a0e6
Renamed constants and fixed off-by-one error in "msie_padding on" handling.
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parents:
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|
617 + NGX_HTTP_OFF_3XX); |
1604
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|
618 } |
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changeset
|
619 |
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|
620 |
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|
621 static ngx_int_t |
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|
622 ngx_http_send_special_response(ngx_http_request_t *r, |
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|
623 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err) |
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|
624 { |
6451
155871d773cc
Backed out server_tokens changes.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
625 u_char *tail; |
155871d773cc
Backed out server_tokens changes.
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diff
changeset
|
626 size_t len; |
1604
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|
627 ngx_int_t rc; |
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|
628 ngx_buf_t *b; |
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|
629 ngx_uint_t msie_padding; |
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diff
changeset
|
630 ngx_chain_t out[3]; |
e27930ae2b8f
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diff
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|
631 |
6451
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Backed out server_tokens changes.
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parents:
6449
diff
changeset
|
632 if (clcf->server_tokens) { |
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Backed out server_tokens changes.
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diff
changeset
|
633 len = sizeof(ngx_http_error_full_tail) - 1; |
155871d773cc
Backed out server_tokens changes.
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diff
changeset
|
634 tail = ngx_http_error_full_tail; |
155871d773cc
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parents:
6449
diff
changeset
|
635 |
155871d773cc
Backed out server_tokens changes.
Maxim Dounin <mdounin@mdounin.ru>
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6449
diff
changeset
|
636 } else { |
155871d773cc
Backed out server_tokens changes.
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parents:
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diff
changeset
|
637 len = sizeof(ngx_http_error_tail) - 1; |
155871d773cc
Backed out server_tokens changes.
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parents:
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diff
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|
638 tail = ngx_http_error_tail; |
155871d773cc
Backed out server_tokens changes.
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6449
diff
changeset
|
639 } |
155871d773cc
Backed out server_tokens changes.
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6449
diff
changeset
|
640 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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parents:
343
diff
changeset
|
641 msie_padding = 0; |
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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diff
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|
642 |
3663
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diff
changeset
|
643 if (ngx_http_error_pages[err].len) { |
6451
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Backed out server_tokens changes.
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parents:
6449
diff
changeset
|
644 r->headers_out.content_length_n = ngx_http_error_pages[err].len + len; |
3663
4a643a230686
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diff
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|
645 if (clcf->msie_padding |
4a643a230686
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diff
changeset
|
646 && (r->headers_in.msie || r->headers_in.chrome) |
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diff
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|
647 && 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
changeset
|
648 && err >= NGX_HTTP_OFF_4XX) |
3663
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|
649 { |
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changeset
|
650 r->headers_out.content_length_n += |
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|
651 sizeof(ngx_http_msie_padding) - 1; |
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diff
changeset
|
652 msie_padding = 1; |
331
f168a88e93f7
nginx-0.0.3-2004-05-04-21:56:58 import
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parents:
326
diff
changeset
|
653 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
98
diff
changeset
|
654 |
3663
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changeset
|
655 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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|
656 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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|
657 r->headers_out.content_type_lowcase = NULL; |
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diff
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|
658 |
68
d549fdc17d7e
nginx-0.0.1-2003-03-12-20:32:22 import
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parents:
67
diff
changeset
|
659 } else { |
4146
55acacac22df
Fix for incorrect 201 replies from dav module.
Maxim Dounin <mdounin@mdounin.ru>
parents:
3860
diff
changeset
|
660 r->headers_out.content_length_n = 0; |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
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parents:
164
diff
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|
661 } |
894a01c6aea3
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diff
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|
662 |
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diff
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|
663 if (r->headers_out.content_length) { |
509 | 664 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:
148
diff
changeset
|
665 r->headers_out.content_length = NULL; |
68
d549fdc17d7e
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parents:
67
diff
changeset
|
666 } |
24
77c7629a2627
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667 |
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668 ngx_http_clear_accept_ranges(r); |
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669 ngx_http_clear_last_modified(r); |
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670 ngx_http_clear_etag(r); |
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671 |
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672 rc = ngx_http_send_header(r); |
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673 |
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674 if (rc == NGX_ERROR || r->header_only) { |
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675 return rc; |
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676 } |
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677 |
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678 if (ngx_http_error_pages[err].len == 0) { |
4146
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Fix for incorrect 201 replies from dav module.
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679 return ngx_http_send_special(r, NGX_HTTP_LAST); |
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680 } |
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681 |
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682 b = ngx_calloc_buf(r->pool); |
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683 if (b == NULL) { |
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684 return NGX_ERROR; |
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685 } |
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686 |
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687 b->memory = 1; |
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688 b->pos = ngx_http_error_pages[err].data; |
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689 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len; |
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690 |
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691 out[0].buf = b; |
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692 out[0].next = &out[1]; |
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693 |
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694 b = ngx_calloc_buf(r->pool); |
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695 if (b == NULL) { |
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696 return NGX_ERROR; |
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697 } |
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698 |
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699 b->memory = 1; |
6451
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Backed out server_tokens changes.
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|
700 |
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701 b->pos = tail; |
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702 b->last = tail + len; |
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703 |
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704 out[1].buf = b; |
2024 | 705 out[1].next = NULL; |
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706 |
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707 if (msie_padding) { |
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708 b = ngx_calloc_buf(r->pool); |
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709 if (b == NULL) { |
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710 return NGX_ERROR; |
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711 } |
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712 |
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713 b->memory = 1; |
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714 b->pos = ngx_http_msie_padding; |
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715 b->last = ngx_http_msie_padding + sizeof(ngx_http_msie_padding) - 1; |
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716 |
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717 out[1].next = &out[2]; |
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718 out[2].buf = b; |
2024 | 719 out[2].next = NULL; |
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720 } |
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721 |
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722 if (r == r->main) { |
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723 b->last_buf = 1; |
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724 } |
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725 |
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726 b->last_in_chain = 1; |
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727 |
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728 return ngx_http_output_filter(r, &out[0]); |
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729 } |
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730 |
679 | 731 |
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732 static ngx_int_t |
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733 ngx_http_send_refresh(ngx_http_request_t *r) |
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734 { |
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735 u_char *p, *location; |
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736 size_t len, size; |
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737 uintptr_t escape; |
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738 ngx_int_t rc; |
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739 ngx_buf_t *b; |
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740 ngx_chain_t out; |
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741 |
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742 len = r->headers_out.location->value.len; |
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743 location = r->headers_out.location->value.data; |
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744 |
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745 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH); |
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|
746 |
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747 size = sizeof(ngx_http_msie_refresh_head) - 1 |
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748 + escape + len |
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749 + sizeof(ngx_http_msie_refresh_tail) - 1; |
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750 |
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751 r->err_status = NGX_HTTP_OK; |
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752 |
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753 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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ngx_str_set() and ngx_str_null()
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3316
diff
changeset
|
754 ngx_str_set(&r->headers_out.content_type, "text/html"); |
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changeset
|
755 r->headers_out.content_type_lowcase = NULL; |
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756 |
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757 r->headers_out.location->hash = 0; |
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758 r->headers_out.location = NULL; |
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|
759 |
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|
760 r->headers_out.content_length_n = size; |
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|
761 |
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|
762 if (r->headers_out.content_length) { |
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763 r->headers_out.content_length->hash = 0; |
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764 r->headers_out.content_length = NULL; |
679 | 765 } |
766 | |
577 | 767 ngx_http_clear_accept_ranges(r); |
768 ngx_http_clear_last_modified(r); | |
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|
769 ngx_http_clear_etag(r); |
577 | 770 |
103
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|
771 rc = ngx_http_send_header(r); |
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|
772 |
143
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|
773 if (rc == NGX_ERROR || r->header_only) { |
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|
774 return rc; |
103
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775 } |
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|
776 |
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|
777 b = ngx_create_temp_buf(r->pool, size); |
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778 if (b == NULL) { |
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|
779 return NGX_ERROR; |
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|
780 } |
1592 | 781 |
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782 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head, |
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|
783 sizeof(ngx_http_msie_refresh_head) - 1); |
679 | 784 |
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785 if (escape == 0) { |
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|
786 p = ngx_cpymem(p, location, len); |
679 | 787 |
788 } else { | |
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|
789 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH); |
103
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|
790 } |
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|
791 |
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|
792 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail, |
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|
793 sizeof(ngx_http_msie_refresh_tail) - 1); |
509 | 794 |
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|
795 b->last_buf = 1; |
509 | 796 b->last_in_chain = 1; |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
99
diff
changeset
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797 |
1604
e27930ae2b8f
divide special response handling into several functions
Igor Sysoev <igor@sysoev.ru>
parents:
1592
diff
changeset
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798 out.buf = b; |
e27930ae2b8f
divide special response handling into several functions
Igor Sysoev <igor@sysoev.ru>
parents:
1592
diff
changeset
|
799 out.next = NULL; |
501 | 800 |
1604
e27930ae2b8f
divide special response handling into several functions
Igor Sysoev <igor@sysoev.ru>
parents:
1592
diff
changeset
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801 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
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802 } |