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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <nginx.h>
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11
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12
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342
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13 static u_char error_full_tail[] =
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14 "<hr><center>" NGINX_VER "</center>" CRLF
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15 "</body>" CRLF
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16 "</html>" CRLF
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17 ;
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18
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19
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0
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20 static u_char error_tail[] =
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342
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21 "<hr><center>nginx</center>" CRLF
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0
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22 "</body>" CRLF
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23 "</html>" CRLF
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24 ;
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25
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26
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50
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27 static u_char ngx_http_msie_stub[] =
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0
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28 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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29 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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30 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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31 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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32 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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33 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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34 ;
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35
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36
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228
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37 static u_char ngx_http_msie_refresh_head[] =
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38 "<html><head><meta http-equiv=\"Refresh\" content=\"0; URL=";
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39
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40
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41 static u_char ngx_http_msie_refresh_tail[] =
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42 "\"></head><body></body></html>" CRLF;
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43
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44
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0
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45 static char error_301_page[] =
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46 "<html>" CRLF
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47 "<head><title>301 Moved Permanently</title></head>" CRLF
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48 "<body bgcolor=\"white\">" CRLF
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49 "<center><h1>301 Moved Permanently</h1></center>" CRLF
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50 ;
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51
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52
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53 static char error_302_page[] =
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54 "<html>" CRLF
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55 "<head><title>302 Found</title></head>" CRLF
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56 "<body bgcolor=\"white\">" CRLF
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57 "<center><h1>302 Found</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 error_400_page[] =
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62 "<html>" CRLF
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63 "<head><title>400 Bad Request</title></head>" CRLF
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64 "<body bgcolor=\"white\">" CRLF
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65 "<center><h1>400 Bad Request</h1></center>" CRLF
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66 ;
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67
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68
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48
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69 static char error_401_page[] =
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70 "<html>" CRLF
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52
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71 "<head><title>401 Authorization Required</title></head>" CRLF
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48
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72 "<body bgcolor=\"white\">" CRLF
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52
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73 "<center><h1>401 Authorization Required</h1></center>" CRLF
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48
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74 ;
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75
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76
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77 static char error_402_page[] =
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78 "<html>" CRLF
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79 "<head><title>402 Payment Required</title></head>" CRLF
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80 "<body bgcolor=\"white\">" CRLF
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81 "<center><h1>402 Payment Required</h1></center>" CRLF
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82 ;
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83
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84
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0
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85 static char error_403_page[] =
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86 "<html>" CRLF
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87 "<head><title>403 Forbidden</title></head>" CRLF
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88 "<body bgcolor=\"white\">" CRLF
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89 "<center><h1>403 Forbidden</h1></center>" CRLF
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90 ;
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91
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92
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93 static char error_404_page[] =
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94 "<html>" CRLF
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95 "<head><title>404 Not Found</title></head>" CRLF
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96 "<body bgcolor=\"white\">" CRLF
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97 "<center><h1>404 Not Found</h1></center>" CRLF
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98 ;
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99
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100
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101 static char error_405_page[] =
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102 "<html>" CRLF
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103 "<head><title>405 Not Allowed</title></head>" CRLF
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104 "<body bgcolor=\"white\">" CRLF
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105 "<center><h1>405 Not Allowed</h1></center>" CRLF
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106 ;
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107
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108
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48
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109 static char error_406_page[] =
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110 "<html>" CRLF
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111 "<head><title>406 Not Acceptable</title></head>" CRLF
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112 "<body bgcolor=\"white\">" CRLF
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113 "<center><h1>406 Not Acceptable</h1></center>" CRLF
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114 ;
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115
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116
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0
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117 static char error_408_page[] =
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118 "<html>" CRLF
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119 "<head><title>408 Request Time-out</title></head>" CRLF
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120 "<body bgcolor=\"white\">" CRLF
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121 "<center><h1>408 Request Time-out</h1></center>" CRLF
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122 ;
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123
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124
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186
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125 static char error_409_page[] =
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126 "<html>" CRLF
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127 "<head><title>409 Conflict</title></head>" CRLF
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128 "<body bgcolor=\"white\">" CRLF
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129 "<center><h1>409 Conflict</h1></center>" CRLF
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130 ;
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131
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132
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48
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133 static char error_410_page[] =
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134 "<html>" CRLF
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135 "<head><title>410 Gone</title></head>" CRLF
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136 "<body bgcolor=\"white\">" CRLF
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137 "<center><h1>410 Gone</h1></center>" CRLF
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138 ;
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139
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140
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130
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141 static char error_411_page[] =
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142 "<html>" CRLF
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143 "<head><title>411 Length Required</title></head>" CRLF
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144 "<body bgcolor=\"white\">" CRLF
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145 "<center><h1>411 Length Required</h1></center>" CRLF
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146 ;
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147
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148
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276
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149 static char error_412_page[] =
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150 "<html>" CRLF
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151 "<head><title>412 Precondition Failed</title></head>" CRLF
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152 "<body bgcolor=\"white\">" CRLF
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153 "<center><h1>412 Precondition Failed</h1></center>" CRLF
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154 ;
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155
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156
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0
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157 static char error_413_page[] =
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158 "<html>" CRLF
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159 "<head><title>413 Request Entity Too Large</title></head>" CRLF
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160 "<body bgcolor=\"white\">" CRLF
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161 "<center><h1>413 Request Entity Too Large</h1></center>" CRLF
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162 ;
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163
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164
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165 static char error_414_page[] =
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166 "<html>" CRLF
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167 "<head><title>414 Request-URI Too Large</title></head>" CRLF
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168 "<body bgcolor=\"white\">" CRLF
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169 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF
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170 ;
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171
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172
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186
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173 static char error_415_page[] =
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174 "<html>" CRLF
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175 "<head><title>415 Unsupported Media Type</title></head>" CRLF
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176 "<body bgcolor=\"white\">" CRLF
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177 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF
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178 ;
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179
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180
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0
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181 static char error_416_page[] =
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182 "<html>" CRLF
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183 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF
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184 "<body bgcolor=\"white\">" CRLF
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185 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF
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186 ;
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187
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188
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196
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189 static char error_495_page[] =
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190 "<html>" CRLF
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191 "<head><title>400 The SSL certificate error</title></head>"
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192 CRLF
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193 "<body bgcolor=\"white\">" CRLF
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194 "<center><h1>400 Bad Request</h1></center>" CRLF
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195 "<center>The SSL certificate error</center>" CRLF
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196 ;
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197
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198
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199 static char error_496_page[] =
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200 "<html>" CRLF
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201 "<head><title>400 No required SSL certificate was sent</title></head>"
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202 CRLF
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203 "<body bgcolor=\"white\">" CRLF
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204 "<center><h1>400 Bad Request</h1></center>" CRLF
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205 "<center>No required SSL certificate was sent</center>" CRLF
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206 ;
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207
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208
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0
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209 static char error_497_page[] =
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210 "<html>" CRLF
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211 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>"
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212 CRLF
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213 "<body bgcolor=\"white\">" CRLF
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214 "<center><h1>400 Bad Request</h1></center>" CRLF
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215 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF
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216 ;
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217
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218
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219 static char error_500_page[] =
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220 "<html>" CRLF
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221 "<head><title>500 Internal Server Error</title></head>" CRLF
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222 "<body bgcolor=\"white\">" CRLF
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223 "<center><h1>500 Internal Server Error</h1></center>" CRLF
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224 ;
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225
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226
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227 static char error_501_page[] =
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228 "<html>" CRLF
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229 "<head><title>501 Method Not Implemented</title></head>" CRLF
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230 "<body bgcolor=\"white\">" CRLF
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84
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231 "<center><h1>501 Method Not Implemented</h1></center>" CRLF
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0
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232 ;
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233
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234
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235 static char error_502_page[] =
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236 "<html>" CRLF
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237 "<head><title>502 Bad Gateway</title></head>" CRLF
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238 "<body bgcolor=\"white\">" CRLF
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239 "<center><h1>502 Bad Gateway</h1></center>" CRLF
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240 ;
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241
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242
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243 static char error_503_page[] =
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244 "<html>" CRLF
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245 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF
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246 "<body bgcolor=\"white\">" CRLF
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247 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF
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248 ;
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249
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250
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251 static char error_504_page[] =
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252 "<html>" CRLF
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253 "<head><title>504 Gateway Time-out</title></head>" CRLF
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254 "<body bgcolor=\"white\">" CRLF
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255 "<center><h1>504 Gateway Time-out</h1></center>" CRLF
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256 ;
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257
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258
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186
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259 static char error_507_page[] =
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260 "<html>" CRLF
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261 "<head><title>507 Insufficient Storage</title></head>" CRLF
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262 "<body bgcolor=\"white\">" CRLF
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263 "<center><h1>507 Insufficient Storage</h1></center>" CRLF
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264 ;
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265
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266
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0
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267 static ngx_str_t error_pages[] = {
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48
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268
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182
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269 ngx_null_string, /* 201, 204 */
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60
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270
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271 #define NGX_HTTP_LEVEL_200 1
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272
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48
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273 /* ngx_null_string, */ /* 300 */
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0
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274 ngx_string(error_301_page),
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275 ngx_string(error_302_page),
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276 ngx_null_string, /* 303 */
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277
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48
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278 #define NGX_HTTP_LEVEL_300 3
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279
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280 ngx_string(error_400_page),
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281 ngx_string(error_401_page),
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282 ngx_string(error_402_page),
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0
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283 ngx_string(error_403_page),
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284 ngx_string(error_404_page),
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285 ngx_string(error_405_page),
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48
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286 ngx_string(error_406_page),
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0
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287 ngx_null_string, /* 407 */
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288 ngx_string(error_408_page),
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186
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289 ngx_string(error_409_page),
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48
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290 ngx_string(error_410_page),
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130
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291 ngx_string(error_411_page),
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276
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292 ngx_string(error_412_page),
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0
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293 ngx_string(error_413_page),
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294 ngx_string(error_414_page),
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186
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295 ngx_string(error_415_page),
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0
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296 ngx_string(error_416_page),
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297
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48
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298 #define NGX_HTTP_LEVEL_400 17
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299
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196
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300 ngx_string(error_495_page), /* 495, https certificate error */
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301 ngx_string(error_496_page), /* 496, https no certificate */
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0
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302 ngx_string(error_497_page), /* 497, http to https */
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303 ngx_string(error_404_page), /* 498, invalid host name */
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48
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304 ngx_null_string, /* 499, client had closed connection */
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0
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305
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306 ngx_string(error_500_page),
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307 ngx_string(error_501_page),
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308 ngx_string(error_502_page),
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309 ngx_string(error_503_page),
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186
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310 ngx_string(error_504_page),
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311 ngx_null_string, /* 505 */
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312 ngx_null_string, /* 506 */
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313 ngx_string(error_507_page)
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0
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314 };
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315
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316
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236
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317 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " };
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318
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319
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36
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320 ngx_int_t
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321 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)
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0
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322 {
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228
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323 u_char *p;
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324 size_t msie_refresh;
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320
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325 uintptr_t escape;
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0
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326 ngx_int_t rc;
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222
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327 ngx_buf_t *b;
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228
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328 ngx_str_t *uri, *location;
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230
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329 ngx_uint_t i, n, err, msie_padding;
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50
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330 ngx_chain_t *out, *cl;
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0
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331 ngx_http_err_page_t *err_page;
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332 ngx_http_core_loc_conf_t *clcf;
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333
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76
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334 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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335 "http special response: %d, \"%V\"", error, &r->uri);
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336
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326
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337 rc = ngx_http_discard_request_body(r);
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0
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338
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339 if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) {
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340 error = NGX_HTTP_INTERNAL_SERVER_ERROR;
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341 }
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342
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226
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343 r->err_status = error;
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0
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344
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345 if (r->keepalive != 0) {
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346 switch (error) {
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347 case NGX_HTTP_BAD_REQUEST:
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348 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE:
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349 case NGX_HTTP_REQUEST_URI_TOO_LARGE:
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350 case NGX_HTTP_TO_HTTPS:
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196
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351 case NGX_HTTPS_CERT_ERROR:
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352 case NGX_HTTPS_NO_CERT:
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0
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353 case NGX_HTTP_INTERNAL_SERVER_ERROR:
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354 r->keepalive = 0;
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355 }
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356 }
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357
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358 if (r->lingering_close == 1) {
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359 switch (error) {
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360 case NGX_HTTP_BAD_REQUEST:
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361 case NGX_HTTP_TO_HTTPS:
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196
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362 case NGX_HTTPS_CERT_ERROR:
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363 case NGX_HTTPS_NO_CERT:
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0
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364 r->lingering_close = 0;
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365 }
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366 }
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367
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224
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368 r->headers_out.content_type.len = 0;
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369
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0
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370 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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371
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228
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372 if (!r->error_page && clcf->error_pages) {
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373
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374 if (clcf->recursive_error_pages == 0) {
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375 r->error_page = 1;
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376 }
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26
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377
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0
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378 err_page = clcf->error_pages->elts;
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26
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379
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0
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380 for (i = 0; i < clcf->error_pages->nelts; i++) {
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26
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381
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0
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382 if (err_page[i].status == error) {
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104
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383 r->err_status = err_page[i].overwrite;
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26
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384
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88
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385 r->method = NGX_HTTP_GET;
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236
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386 r->method_name = ngx_http_get_name;
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88
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387
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222
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388 uri = &err_page[i].uri;
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389
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390 if (err_page[i].uri_lengths) {
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391 if (ngx_http_script_run(r, uri,
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392 err_page[i].uri_lengths->elts, 0,
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393 err_page[i].uri_values->elts)
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394 == NULL)
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395 {
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396 return NGX_ERROR;
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397 }
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230
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398
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399 if (r->zero_in_uri) {
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|
|
400 for (n = 0; n < uri->len; n++) {
|
|
|
401 if (uri->data[n] == '\0') {
|
|
|
402 goto zero;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
|
406 r->zero_in_uri = 0;
|
|
|
407 }
|
|
|
408
|
|
|
409 } else {
|
|
|
410 r->zero_in_uri = 0;
|
|
222
|
411 }
|
|
|
412
|
|
230
|
413 zero:
|
|
|
414
|
|
222
|
415 if (uri->data[0] == '/') {
|
|
|
416 return ngx_http_internal_redirect(r, uri, NULL);
|
|
104
|
417 }
|
|
|
418
|
|
324
|
419 if (uri->data[0] == '@') {
|
|
|
420 return ngx_http_named_location(r, uri);
|
|
|
421 }
|
|
|
422
|
|
104
|
423 r->headers_out.location =
|
|
|
424 ngx_list_push(&r->headers_out.headers);
|
|
|
425
|
|
|
426 if (r->headers_out.location) {
|
|
224
|
427 error = NGX_HTTP_MOVED_TEMPORARILY;
|
|
|
428
|
|
104
|
429 r->err_status = NGX_HTTP_MOVED_TEMPORARILY;
|
|
|
430
|
|
|
431 r->headers_out.location->hash = 1;
|
|
|
432 r->headers_out.location->key.len = sizeof("Location") - 1;
|
|
|
433 r->headers_out.location->key.data = (u_char *) "Location";
|
|
222
|
434 r->headers_out.location->value = *uri;
|
|
104
|
435
|
|
|
436 } else {
|
|
222
|
437 return NGX_ERROR;
|
|
104
|
438 }
|
|
0
|
439 }
|
|
|
440 }
|
|
|
441 }
|
|
|
442
|
|
182
|
443 if (error == NGX_HTTP_CREATED) {
|
|
|
444 /* 201 */
|
|
|
445 err = 0;
|
|
186
|
446 r->header_only = 1;
|
|
182
|
447
|
|
|
448 } else if (error == NGX_HTTP_NO_CONTENT) {
|
|
60
|
449 /* 204 */
|
|
|
450 err = 0;
|
|
|
451
|
|
|
452 } else if (error < NGX_HTTP_BAD_REQUEST) {
|
|
0
|
453 /* 3XX */
|
|
62
|
454 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200;
|
|
0
|
455
|
|
136
|
456 } else if (error < NGX_HTTP_OWN_CODES) {
|
|
0
|
457 /* 4XX */
|
|
60
|
458 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200
|
|
|
459 + NGX_HTTP_LEVEL_300;
|
|
0
|
460
|
|
|
461 } else {
|
|
|
462 /* 49X, 5XX */
|
|
136
|
463 err = error - NGX_HTTP_OWN_CODES + NGX_HTTP_LEVEL_200
|
|
60
|
464 + NGX_HTTP_LEVEL_300
|
|
48
|
465 + NGX_HTTP_LEVEL_400;
|
|
0
|
466 switch (error) {
|
|
|
467 case NGX_HTTP_TO_HTTPS:
|
|
196
|
468 case NGX_HTTPS_CERT_ERROR:
|
|
|
469 case NGX_HTTPS_NO_CERT:
|
|
228
|
470 r->err_status = NGX_HTTP_BAD_REQUEST;
|
|
0
|
471 error = NGX_HTTP_BAD_REQUEST;
|
|
|
472 break;
|
|
|
473 }
|
|
|
474 }
|
|
|
475
|
|
|
476 msie_padding = 0;
|
|
|
477
|
|
238
|
478 if (!r->zero_body) {
|
|
|
479 if (error_pages[err].len) {
|
|
|
480 r->headers_out.content_length_n = error_pages[err].len
|
|
342
|
481 + (clcf->server_tokens ? sizeof(error_full_tail) - 1:
|
|
|
482 sizeof(error_tail) - 1);
|
|
0
|
483
|
|
238
|
484 if (clcf->msie_padding
|
|
|
485 && r->headers_in.msie
|
|
|
486 && r->http_version >= NGX_HTTP_VERSION_10
|
|
|
487 && error >= NGX_HTTP_BAD_REQUEST
|
|
|
488 && error != NGX_HTTP_REQUEST_URI_TOO_LARGE)
|
|
|
489 {
|
|
|
490 r->headers_out.content_length_n +=
|
|
|
491 sizeof(ngx_http_msie_stub) - 1;
|
|
|
492 msie_padding = 1;
|
|
|
493 }
|
|
|
494
|
|
|
495 r->headers_out.content_type.len = sizeof("text/html") - 1;
|
|
|
496 r->headers_out.content_type.data = (u_char *) "text/html";
|
|
|
497
|
|
|
498 } else {
|
|
|
499 r->headers_out.content_length_n = -1;
|
|
0
|
500 }
|
|
|
501
|
|
|
502 } else {
|
|
238
|
503 r->headers_out.content_length_n = 0;
|
|
|
504 err = 0;
|
|
0
|
505 }
|
|
|
506
|
|
|
507 if (r->headers_out.content_length) {
|
|
58
|
508 r->headers_out.content_length->hash = 0;
|
|
0
|
509 r->headers_out.content_length = NULL;
|
|
|
510 }
|
|
|
511
|
|
228
|
512 if (clcf->msie_refresh
|
|
|
513 && r->headers_in.msie
|
|
|
514 && (error == NGX_HTTP_MOVED_PERMANENTLY
|
|
|
515 || error == NGX_HTTP_MOVED_TEMPORARILY))
|
|
|
516 {
|
|
320
|
517
|
|
228
|
518 location = &r->headers_out.location->value;
|
|
320
|
519
|
|
|
520 escape = 2 * ngx_escape_uri(NULL, location->data, location->len,
|
|
|
521 NGX_ESCAPE_REFRESH);
|
|
|
522
|
|
228
|
523 msie_refresh = sizeof(ngx_http_msie_refresh_head) - 1
|
|
320
|
524 + escape + location->len
|
|
228
|
525 + sizeof(ngx_http_msie_refresh_tail) - 1;
|
|
|
526
|
|
|
527 r->err_status = NGX_HTTP_OK;
|
|
|
528 r->headers_out.content_type_len = sizeof("text/html") - 1;
|
|
|
529 r->headers_out.content_length_n = msie_refresh;
|
|
|
530 r->headers_out.location->hash = 0;
|
|
|
531 r->headers_out.location = NULL;
|
|
320
|
532
|
|
|
533 } else {
|
|
|
534 location = NULL;
|
|
|
535 escape = 0;
|
|
|
536 msie_refresh = 0;
|
|
228
|
537 }
|
|
|
538
|
|
126
|
539 ngx_http_clear_accept_ranges(r);
|
|
|
540 ngx_http_clear_last_modified(r);
|
|
|
541
|
|
0
|
542 rc = ngx_http_send_header(r);
|
|
|
543
|
|
|
544 if (rc == NGX_ERROR || r->header_only) {
|
|
|
545 return rc;
|
|
|
546 }
|
|
|
547
|
|
|
548
|
|
228
|
549 if (msie_refresh == 0) {
|
|
50
|
550
|
|
228
|
551 if (error_pages[err].len == 0) {
|
|
|
552 return NGX_OK;
|
|
|
553 }
|
|
50
|
554
|
|
|
555 b = ngx_calloc_buf(r->pool);
|
|
|
556 if (b == NULL) {
|
|
0
|
557 return NGX_ERROR;
|
|
|
558 }
|
|
50
|
559
|
|
0
|
560 b->memory = 1;
|
|
228
|
561 b->pos = error_pages[err].data;
|
|
|
562 b->last = error_pages[err].data + error_pages[err].len;
|
|
|
563
|
|
|
564 cl = ngx_alloc_chain_link(r->pool);
|
|
|
565 if (cl == NULL) {
|
|
|
566 return NGX_ERROR;
|
|
|
567 }
|
|
|
568
|
|
|
569 cl->buf = b;
|
|
|
570 out = cl;
|
|
|
571
|
|
|
572
|
|
|
573 b = ngx_calloc_buf(r->pool);
|
|
|
574 if (b == NULL) {
|
|
|
575 return NGX_ERROR;
|
|
|
576 }
|
|
|
577
|
|
|
578 b->memory = 1;
|
|
342
|
579
|
|
|
580 if (clcf->server_tokens) {
|
|
|
581 b->pos = error_full_tail;
|
|
|
582 b->last = error_full_tail + sizeof(error_full_tail) - 1;
|
|
|
583 } else {
|
|
|
584 b->pos = error_tail;
|
|
|
585 b->last = error_tail + sizeof(error_tail) - 1;
|
|
|
586 }
|
|
0
|
587
|
|
50
|
588 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
589 if (cl->next == NULL) {
|
|
|
590 return NGX_ERROR;
|
|
|
591 }
|
|
|
592
|
|
|
593 cl = cl->next;
|
|
|
594 cl->buf = b;
|
|
228
|
595
|
|
|
596 if (msie_padding) {
|
|
|
597 b = ngx_calloc_buf(r->pool);
|
|
|
598 if (b == NULL) {
|
|
|
599 return NGX_ERROR;
|
|
|
600 }
|
|
|
601
|
|
|
602 b->memory = 1;
|
|
|
603 b->pos = ngx_http_msie_stub;
|
|
|
604 b->last = ngx_http_msie_stub + sizeof(ngx_http_msie_stub) - 1;
|
|
|
605
|
|
|
606 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
607 if (cl->next == NULL) {
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610
|
|
|
611 cl = cl->next;
|
|
|
612 cl->buf = b;
|
|
|
613 }
|
|
|
614
|
|
|
615 } else {
|
|
|
616 b = ngx_create_temp_buf(r->pool, msie_refresh);
|
|
|
617 if (b == NULL) {
|
|
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620
|
|
|
621 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head,
|
|
|
622 sizeof(ngx_http_msie_refresh_head) - 1);
|
|
|
623
|
|
320
|
624 if (escape == 0) {
|
|
|
625 p = ngx_cpymem(p, location->data, location->len);
|
|
|
626
|
|
|
627 } else {
|
|
|
628 p = (u_char *) ngx_escape_uri(p, location->data, location->len,
|
|
|
629 NGX_ESCAPE_REFRESH);
|
|
|
630 }
|
|
228
|
631
|
|
|
632 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail,
|
|
|
633 sizeof(ngx_http_msie_refresh_tail) - 1);
|
|
|
634
|
|
|
635 cl = ngx_alloc_chain_link(r->pool);
|
|
|
636 if (cl == NULL) {
|
|
|
637 return NGX_ERROR;
|
|
|
638 }
|
|
|
639
|
|
|
640 cl->buf = b;
|
|
|
641 out = cl;
|
|
0
|
642 }
|
|
|
643
|
|
146
|
644 if (r == r->main) {
|
|
58
|
645 b->last_buf = 1;
|
|
|
646 }
|
|
|
647
|
|
|
648 b->last_in_chain = 1;
|
|
0
|
649
|
|
50
|
650 cl->next = NULL;
|
|
|
651
|
|
0
|
652 return ngx_http_output_filter(r, out);
|
|
|
653 }
|
