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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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344
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13 static ngx_int_t ngx_http_send_error_page(ngx_http_request_t *r,
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14 ngx_http_err_page_t *err_page);
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15 static ngx_int_t ngx_http_send_special_response(ngx_http_request_t *r,
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16 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err);
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17 static ngx_int_t ngx_http_send_refresh(ngx_http_request_t *r);
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18
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19
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20 static u_char ngx_http_error_full_tail[] =
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342
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21 "<hr><center>" NGINX_VER "</center>" CRLF
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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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344
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27 static u_char ngx_http_error_tail[] =
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342
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28 "<hr><center>nginx</center>" CRLF
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0
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29 "</body>" CRLF
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30 "</html>" CRLF
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31 ;
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32
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33
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50
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34 static u_char ngx_http_msie_stub[] =
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0
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35 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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36 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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37 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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38 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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39 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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40 "<!-- The padding to disable MSIE's friendly error page -->" CRLF
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41 ;
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42
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43
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228
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44 static u_char ngx_http_msie_refresh_head[] =
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45 "<html><head><meta http-equiv=\"Refresh\" content=\"0; URL=";
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46
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47
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48 static u_char ngx_http_msie_refresh_tail[] =
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49 "\"></head><body></body></html>" CRLF;
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50
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51
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344
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52 static char ngx_http_error_301_page[] =
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0
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53 "<html>" CRLF
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54 "<head><title>301 Moved Permanently</title></head>" CRLF
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55 "<body bgcolor=\"white\">" CRLF
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56 "<center><h1>301 Moved Permanently</h1></center>" CRLF
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57 ;
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58
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59
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344
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60 static char ngx_http_error_302_page[] =
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0
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61 "<html>" CRLF
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62 "<head><title>302 Found</title></head>" CRLF
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63 "<body bgcolor=\"white\">" CRLF
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64 "<center><h1>302 Found</h1></center>" CRLF
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65 ;
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66
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67
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344
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68 static char ngx_http_error_400_page[] =
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0
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69 "<html>" CRLF
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70 "<head><title>400 Bad Request</title></head>" CRLF
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71 "<body bgcolor=\"white\">" CRLF
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72 "<center><h1>400 Bad Request</h1></center>" CRLF
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73 ;
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74
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75
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344
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76 static char ngx_http_error_401_page[] =
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48
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77 "<html>" CRLF
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52
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78 "<head><title>401 Authorization Required</title></head>" CRLF
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48
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79 "<body bgcolor=\"white\">" CRLF
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52
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80 "<center><h1>401 Authorization Required</h1></center>" CRLF
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48
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81 ;
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82
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83
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344
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84 static char ngx_http_error_402_page[] =
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48
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85 "<html>" CRLF
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86 "<head><title>402 Payment Required</title></head>" CRLF
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87 "<body bgcolor=\"white\">" CRLF
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88 "<center><h1>402 Payment Required</h1></center>" CRLF
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89 ;
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90
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91
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344
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92 static char ngx_http_error_403_page[] =
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0
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93 "<html>" CRLF
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94 "<head><title>403 Forbidden</title></head>" CRLF
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95 "<body bgcolor=\"white\">" CRLF
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96 "<center><h1>403 Forbidden</h1></center>" CRLF
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97 ;
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98
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99
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344
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100 static char ngx_http_error_404_page[] =
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0
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101 "<html>" CRLF
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102 "<head><title>404 Not Found</title></head>" CRLF
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103 "<body bgcolor=\"white\">" CRLF
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104 "<center><h1>404 Not Found</h1></center>" CRLF
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105 ;
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106
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107
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344
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108 static char ngx_http_error_405_page[] =
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0
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109 "<html>" CRLF
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110 "<head><title>405 Not Allowed</title></head>" CRLF
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111 "<body bgcolor=\"white\">" CRLF
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112 "<center><h1>405 Not Allowed</h1></center>" CRLF
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113 ;
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114
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115
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344
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116 static char ngx_http_error_406_page[] =
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48
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117 "<html>" CRLF
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118 "<head><title>406 Not Acceptable</title></head>" CRLF
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119 "<body bgcolor=\"white\">" CRLF
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120 "<center><h1>406 Not Acceptable</h1></center>" CRLF
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121 ;
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122
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123
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344
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124 static char ngx_http_error_408_page[] =
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0
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125 "<html>" CRLF
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126 "<head><title>408 Request Time-out</title></head>" CRLF
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127 "<body bgcolor=\"white\">" CRLF
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128 "<center><h1>408 Request Time-out</h1></center>" CRLF
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129 ;
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130
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131
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344
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132 static char ngx_http_error_409_page[] =
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186
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133 "<html>" CRLF
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134 "<head><title>409 Conflict</title></head>" CRLF
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135 "<body bgcolor=\"white\">" CRLF
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136 "<center><h1>409 Conflict</h1></center>" CRLF
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137 ;
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138
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139
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344
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140 static char ngx_http_error_410_page[] =
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48
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141 "<html>" CRLF
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142 "<head><title>410 Gone</title></head>" CRLF
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143 "<body bgcolor=\"white\">" CRLF
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144 "<center><h1>410 Gone</h1></center>" CRLF
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145 ;
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146
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147
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344
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148 static char ngx_http_error_411_page[] =
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130
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149 "<html>" CRLF
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150 "<head><title>411 Length Required</title></head>" CRLF
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151 "<body bgcolor=\"white\">" CRLF
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152 "<center><h1>411 Length Required</h1></center>" CRLF
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153 ;
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154
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155
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344
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156 static char ngx_http_error_412_page[] =
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276
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157 "<html>" CRLF
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158 "<head><title>412 Precondition Failed</title></head>" CRLF
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159 "<body bgcolor=\"white\">" CRLF
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160 "<center><h1>412 Precondition Failed</h1></center>" CRLF
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161 ;
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162
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163
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344
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164 static char ngx_http_error_413_page[] =
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0
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165 "<html>" CRLF
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166 "<head><title>413 Request Entity Too Large</title></head>" CRLF
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167 "<body bgcolor=\"white\">" CRLF
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168 "<center><h1>413 Request Entity Too Large</h1></center>" CRLF
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169 ;
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170
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171
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344
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172 static char ngx_http_error_414_page[] =
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0
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173 "<html>" CRLF
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174 "<head><title>414 Request-URI Too Large</title></head>" CRLF
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175 "<body bgcolor=\"white\">" CRLF
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176 "<center><h1>414 Request-URI Too Large</h1></center>" CRLF
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177 ;
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178
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179
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344
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180 static char ngx_http_error_415_page[] =
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186
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181 "<html>" CRLF
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182 "<head><title>415 Unsupported Media Type</title></head>" CRLF
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183 "<body bgcolor=\"white\">" CRLF
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184 "<center><h1>415 Unsupported Media Type</h1></center>" CRLF
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185 ;
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186
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187
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344
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188 static char ngx_http_error_416_page[] =
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0
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189 "<html>" CRLF
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190 "<head><title>416 Requested Range Not Satisfiable</title></head>" CRLF
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191 "<body bgcolor=\"white\">" CRLF
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192 "<center><h1>416 Requested Range Not Satisfiable</h1></center>" CRLF
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193 ;
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194
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195
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344
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196 static char ngx_http_error_495_page[] =
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196
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197 "<html>" CRLF
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198 "<head><title>400 The SSL certificate error</title></head>"
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199 CRLF
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200 "<body bgcolor=\"white\">" CRLF
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201 "<center><h1>400 Bad Request</h1></center>" CRLF
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202 "<center>The SSL certificate error</center>" CRLF
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203 ;
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204
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205
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344
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206 static char ngx_http_error_496_page[] =
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196
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207 "<html>" CRLF
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208 "<head><title>400 No required SSL certificate was sent</title></head>"
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209 CRLF
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210 "<body bgcolor=\"white\">" CRLF
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211 "<center><h1>400 Bad Request</h1></center>" CRLF
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212 "<center>No required SSL certificate was sent</center>" CRLF
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213 ;
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214
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215
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344
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216 static char ngx_http_error_497_page[] =
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0
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217 "<html>" CRLF
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218 "<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>"
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219 CRLF
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220 "<body bgcolor=\"white\">" CRLF
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221 "<center><h1>400 Bad Request</h1></center>" CRLF
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222 "<center>The plain HTTP request was sent to HTTPS port</center>" CRLF
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223 ;
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224
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225
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344
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226 static char ngx_http_error_500_page[] =
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0
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227 "<html>" CRLF
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228 "<head><title>500 Internal Server Error</title></head>" CRLF
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229 "<body bgcolor=\"white\">" CRLF
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230 "<center><h1>500 Internal Server Error</h1></center>" CRLF
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231 ;
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232
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233
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344
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234 static char ngx_http_error_501_page[] =
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0
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235 "<html>" CRLF
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236 "<head><title>501 Method Not Implemented</title></head>" CRLF
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237 "<body bgcolor=\"white\">" CRLF
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84
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238 "<center><h1>501 Method Not Implemented</h1></center>" CRLF
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0
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239 ;
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240
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241
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344
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242 static char ngx_http_error_502_page[] =
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0
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243 "<html>" CRLF
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244 "<head><title>502 Bad Gateway</title></head>" CRLF
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245 "<body bgcolor=\"white\">" CRLF
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246 "<center><h1>502 Bad Gateway</h1></center>" CRLF
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247 ;
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248
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249
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344
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250 static char ngx_http_error_503_page[] =
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0
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251 "<html>" CRLF
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252 "<head><title>503 Service Temporarily Unavailable</title></head>" CRLF
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253 "<body bgcolor=\"white\">" CRLF
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254 "<center><h1>503 Service Temporarily Unavailable</h1></center>" CRLF
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255 ;
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256
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257
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344
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258 static char ngx_http_error_504_page[] =
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0
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259 "<html>" CRLF
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260 "<head><title>504 Gateway Time-out</title></head>" CRLF
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261 "<body bgcolor=\"white\">" CRLF
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262 "<center><h1>504 Gateway Time-out</h1></center>" CRLF
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263 ;
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264
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265
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344
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266 static char ngx_http_error_507_page[] =
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186
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267 "<html>" CRLF
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268 "<head><title>507 Insufficient Storage</title></head>" CRLF
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269 "<body bgcolor=\"white\">" CRLF
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270 "<center><h1>507 Insufficient Storage</h1></center>" CRLF
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271 ;
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272
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273
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344
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274 static ngx_str_t ngx_http_error_pages[] = {
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48
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275
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344
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276 ngx_null_string, /* 201, 204 */
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60
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277
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278 #define NGX_HTTP_LEVEL_200 1
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279
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344
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280 /* ngx_null_string, */ /* 300 */
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281 ngx_string(ngx_http_error_301_page),
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282 ngx_string(ngx_http_error_302_page),
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283 ngx_null_string, /* 303 */
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0
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284
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48
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285 #define NGX_HTTP_LEVEL_300 3
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286
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344
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287 ngx_string(ngx_http_error_400_page),
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288 ngx_string(ngx_http_error_401_page),
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289 ngx_string(ngx_http_error_402_page),
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290 ngx_string(ngx_http_error_403_page),
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291 ngx_string(ngx_http_error_404_page),
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292 ngx_string(ngx_http_error_405_page),
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293 ngx_string(ngx_http_error_406_page),
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294 ngx_null_string, /* 407 */
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295 ngx_string(ngx_http_error_408_page),
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296 ngx_string(ngx_http_error_409_page),
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297 ngx_string(ngx_http_error_410_page),
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298 ngx_string(ngx_http_error_411_page),
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299 ngx_string(ngx_http_error_412_page),
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300 ngx_string(ngx_http_error_413_page),
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301 ngx_string(ngx_http_error_414_page),
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302 ngx_string(ngx_http_error_415_page),
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303 ngx_string(ngx_http_error_416_page),
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0
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304
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48
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305 #define NGX_HTTP_LEVEL_400 17
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306
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344
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307 ngx_string(ngx_http_error_495_page), /* 495, https certificate error */
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308 ngx_string(ngx_http_error_496_page), /* 496, https no certificate */
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309 ngx_string(ngx_http_error_497_page), /* 497, http to https */
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354
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310 ngx_string(ngx_http_error_404_page), /* 498, canceled */
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344
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311 ngx_null_string, /* 499, client has closed connection */
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0
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312
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344
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313 ngx_string(ngx_http_error_500_page),
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314 ngx_string(ngx_http_error_501_page),
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315 ngx_string(ngx_http_error_502_page),
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316 ngx_string(ngx_http_error_503_page),
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317 ngx_string(ngx_http_error_504_page),
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318 ngx_null_string, /* 505 */
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319 ngx_null_string, /* 506 */
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320 ngx_string(ngx_http_error_507_page)
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0
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321 };
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322
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323
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236
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324 static ngx_str_t ngx_http_get_name = { 3, (u_char *) "GET " };
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325
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326
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36
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327 ngx_int_t
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328 ngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)
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0
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329 {
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330 ngx_int_t rc;
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344
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331 ngx_uint_t i, err;
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0
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332 ngx_http_err_page_t *err_page;
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333 ngx_http_core_loc_conf_t *clcf;
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334
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76
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335 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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336 "http special response: %d, \"%V\"", error, &r->uri);
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337
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326
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338 rc = ngx_http_discard_request_body(r);
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0
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339
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340 if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) {
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341 error = NGX_HTTP_INTERNAL_SERVER_ERROR;
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342 }
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343
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226
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344 r->err_status = error;
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0
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345
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346 if (r->keepalive != 0) {
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347 switch (error) {
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348 case NGX_HTTP_BAD_REQUEST:
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349 case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE:
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350 case NGX_HTTP_REQUEST_URI_TOO_LARGE:
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351 case NGX_HTTP_TO_HTTPS:
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196
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352 case NGX_HTTPS_CERT_ERROR:
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353 case NGX_HTTPS_NO_CERT:
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0
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354 case NGX_HTTP_INTERNAL_SERVER_ERROR:
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355 r->keepalive = 0;
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356 }
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357 }
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358
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359 if (r->lingering_close == 1) {
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360 switch (error) {
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361 case NGX_HTTP_BAD_REQUEST:
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362 case NGX_HTTP_TO_HTTPS:
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196
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363 case NGX_HTTPS_CERT_ERROR:
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364 case NGX_HTTPS_NO_CERT:
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0
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365 r->lingering_close = 0;
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366 }
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367 }
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368
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224
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369 r->headers_out.content_type.len = 0;
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370
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0
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371 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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372
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228
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373 if (!r->error_page && clcf->error_pages) {
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374
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375 if (clcf->recursive_error_pages == 0) {
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376 r->error_page = 1;
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377 }
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26
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378
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0
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379 err_page = clcf->error_pages->elts;
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26
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380
|
|
0
|
381 for (i = 0; i < clcf->error_pages->nelts; i++) {
|
|
|
382 if (err_page[i].status == error) {
|
|
344
|
383 return ngx_http_send_error_page(r, &err_page[i]);
|
|
0
|
384 }
|
|
|
385 }
|
|
|
386 }
|
|
|
387
|
|
344
|
388 if (clcf->msie_refresh
|
|
|
389 && r->headers_in.msie
|
|
|
390 && (error == NGX_HTTP_MOVED_PERMANENTLY
|
|
|
391 || error == NGX_HTTP_MOVED_TEMPORARILY))
|
|
|
392 {
|
|
|
393 return ngx_http_send_refresh(r);
|
|
|
394 }
|
|
|
395
|
|
182
|
396 if (error == NGX_HTTP_CREATED) {
|
|
|
397 /* 201 */
|
|
|
398 err = 0;
|
|
186
|
399 r->header_only = 1;
|
|
182
|
400
|
|
|
401 } else if (error == NGX_HTTP_NO_CONTENT) {
|
|
60
|
402 /* 204 */
|
|
|
403 err = 0;
|
|
|
404
|
|
|
405 } else if (error < NGX_HTTP_BAD_REQUEST) {
|
|
0
|
406 /* 3XX */
|
|
62
|
407 err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200;
|
|
0
|
408
|
|
136
|
409 } else if (error < NGX_HTTP_OWN_CODES) {
|
|
0
|
410 /* 4XX */
|
|
60
|
411 err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200
|
|
|
412 + NGX_HTTP_LEVEL_300;
|
|
0
|
413
|
|
|
414 } else {
|
|
|
415 /* 49X, 5XX */
|
|
136
|
416 err = error - NGX_HTTP_OWN_CODES + NGX_HTTP_LEVEL_200
|
|
60
|
417 + NGX_HTTP_LEVEL_300
|
|
48
|
418 + NGX_HTTP_LEVEL_400;
|
|
0
|
419 switch (error) {
|
|
|
420 case NGX_HTTP_TO_HTTPS:
|
|
196
|
421 case NGX_HTTPS_CERT_ERROR:
|
|
|
422 case NGX_HTTPS_NO_CERT:
|
|
228
|
423 r->err_status = NGX_HTTP_BAD_REQUEST;
|
|
0
|
424 break;
|
|
|
425 }
|
|
|
426 }
|
|
|
427
|
|
344
|
428 return ngx_http_send_special_response(r, clcf, err);
|
|
|
429 }
|
|
|
430
|
|
|
431
|
|
|
432 static ngx_int_t
|
|
|
433 ngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)
|
|
|
434 {
|
|
|
435 u_char ch, *p, *last;
|
|
|
436 ngx_str_t *uri, *args, u, a;
|
|
|
437 ngx_table_elt_t *location;
|
|
|
438 ngx_http_core_loc_conf_t *clcf;
|
|
|
439
|
|
|
440 r->err_status = err_page->overwrite;
|
|
|
441
|
|
|
442 r->zero_in_uri = 0;
|
|
|
443
|
|
|
444 if (err_page->uri_lengths) {
|
|
|
445 if (ngx_http_script_run(r, &u, err_page->uri_lengths->elts, 0,
|
|
|
446 err_page->uri_values->elts)
|
|
|
447 == NULL)
|
|
|
448 {
|
|
|
449 return NGX_ERROR;
|
|
|
450 }
|
|
|
451
|
|
|
452 p = u.data;
|
|
|
453 uri = &u;
|
|
372
|
454 args = NULL;
|
|
344
|
455
|
|
|
456 if (*p == '/') {
|
|
|
457
|
|
|
458 last = p + uri->len;
|
|
|
459
|
|
|
460 while (p < last) {
|
|
|
461
|
|
|
462 ch = *p++;
|
|
|
463
|
|
|
464 if (ch == '?') {
|
|
|
465 a.len = last - p;
|
|
|
466 a.data = p;
|
|
|
467 args = &a;
|
|
|
468
|
|
|
469 u.len = p - 1 - u.data;
|
|
|
470
|
|
|
471 while (p < last) {
|
|
|
472 if (*p++ == '\0') {
|
|
|
473 r->zero_in_uri = 1;
|
|
|
474 break;
|
|
|
475 }
|
|
|
476 }
|
|
|
477
|
|
|
478 break;
|
|
|
479 }
|
|
|
480
|
|
|
481 if (ch == '\0') {
|
|
|
482 r->zero_in_uri = 1;
|
|
|
483 continue;
|
|
|
484 }
|
|
|
485 }
|
|
|
486 }
|
|
|
487
|
|
|
488 } else {
|
|
|
489 uri = &err_page->uri;
|
|
372
|
490 args = &err_page->args;
|
|
344
|
491 }
|
|
|
492
|
|
|
493 if (uri->data[0] == '/') {
|
|
366
|
494
|
|
|
495 r->method = NGX_HTTP_GET;
|
|
|
496 r->method_name = ngx_http_get_name;
|
|
|
497
|
|
344
|
498 return ngx_http_internal_redirect(r, uri, args);
|
|
|
499 }
|
|
|
500
|
|
|
501 if (uri->data[0] == '@') {
|
|
|
502 return ngx_http_named_location(r, uri);
|
|
|
503 }
|
|
|
504
|
|
|
505 location = ngx_list_push(&r->headers_out.headers);
|
|
|
506
|
|
|
507 if (location == NULL) {
|
|
|
508 return NGX_ERROR;
|
|
|
509 }
|
|
|
510
|
|
|
511 r->err_status = NGX_HTTP_MOVED_TEMPORARILY;
|
|
|
512
|
|
|
513 location->hash = 1;
|
|
|
514 location->key.len = sizeof("Location") - 1;
|
|
|
515 location->key.data = (u_char *) "Location";
|
|
|
516 location->value = *uri;
|
|
|
517
|
|
|
518 r->headers_out.location = location;
|
|
|
519
|
|
|
520 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
521
|
|
|
522 if (clcf->msie_refresh && r->headers_in.msie) {
|
|
|
523 return ngx_http_send_refresh(r);
|
|
|
524 }
|
|
|
525
|
|
|
526 return ngx_http_send_special_response(r, clcf, NGX_HTTP_MOVED_TEMPORARILY
|
|
|
527 - NGX_HTTP_MOVED_PERMANENTLY
|
|
|
528 + NGX_HTTP_LEVEL_200);
|
|
|
529 }
|
|
|
530
|
|
|
531
|
|
|
532 static ngx_int_t
|
|
|
533 ngx_http_send_special_response(ngx_http_request_t *r,
|
|
|
534 ngx_http_core_loc_conf_t *clcf, ngx_uint_t err)
|
|
|
535 {
|
|
|
536 u_char *tail;
|
|
|
537 size_t len;
|
|
|
538 ngx_int_t rc;
|
|
|
539 ngx_buf_t *b;
|
|
|
540 ngx_uint_t msie_padding;
|
|
|
541 ngx_chain_t out[3];
|
|
|
542
|
|
|
543 if (clcf->server_tokens) {
|
|
|
544 len = sizeof(ngx_http_error_full_tail) - 1;
|
|
|
545 tail = ngx_http_error_full_tail;
|
|
|
546
|
|
|
547 } else {
|
|
|
548 len = sizeof(ngx_http_error_tail) - 1;
|
|
|
549 tail = ngx_http_error_tail;
|
|
|
550 }
|
|
|
551
|
|
0
|
552 msie_padding = 0;
|
|
|
553
|
|
238
|
554 if (!r->zero_body) {
|
|
344
|
555 if (ngx_http_error_pages[err].len) {
|
|
|
556 r->headers_out.content_length_n = ngx_http_error_pages[err].len
|
|
|
557 + len;
|
|
238
|
558 if (clcf->msie_padding
|
|
|
559 && r->headers_in.msie
|
|
|
560 && r->http_version >= NGX_HTTP_VERSION_10
|
|
344
|
561 && err >= NGX_HTTP_LEVEL_300)
|
|
238
|
562 {
|
|
|
563 r->headers_out.content_length_n +=
|
|
|
564 sizeof(ngx_http_msie_stub) - 1;
|
|
|
565 msie_padding = 1;
|
|
|
566 }
|
|
|
567
|
|
344
|
568 r->headers_out.content_type_len = sizeof("text/html") - 1;
|
|
238
|
569 r->headers_out.content_type.len = sizeof("text/html") - 1;
|
|
|
570 r->headers_out.content_type.data = (u_char *) "text/html";
|
|
|
571
|
|
|
572 } else {
|
|
|
573 r->headers_out.content_length_n = -1;
|
|
0
|
574 }
|
|
|
575
|
|
|
576 } else {
|
|
238
|
577 r->headers_out.content_length_n = 0;
|
|
|
578 err = 0;
|
|
0
|
579 }
|
|
|
580
|
|
|
581 if (r->headers_out.content_length) {
|
|
58
|
582 r->headers_out.content_length->hash = 0;
|
|
0
|
583 r->headers_out.content_length = NULL;
|
|
|
584 }
|
|
|
585
|
|
344
|
586 ngx_http_clear_accept_ranges(r);
|
|
|
587 ngx_http_clear_last_modified(r);
|
|
|
588
|
|
|
589 rc = ngx_http_send_header(r);
|
|
|
590
|
|
|
591 if (rc == NGX_ERROR || r->header_only) {
|
|
|
592 return rc;
|
|
|
593 }
|
|
|
594
|
|
|
595 if (ngx_http_error_pages[err].len == 0) {
|
|
|
596 return NGX_OK;
|
|
|
597 }
|
|
|
598
|
|
|
599 b = ngx_calloc_buf(r->pool);
|
|
|
600 if (b == NULL) {
|
|
|
601 return NGX_ERROR;
|
|
|
602 }
|
|
|
603
|
|
|
604 b->memory = 1;
|
|
|
605 b->pos = ngx_http_error_pages[err].data;
|
|
|
606 b->last = ngx_http_error_pages[err].data + ngx_http_error_pages[err].len;
|
|
320
|
607
|
|
344
|
608 out[0].buf = b;
|
|
|
609 out[0].next = &out[1];
|
|
|
610
|
|
|
611 b = ngx_calloc_buf(r->pool);
|
|
|
612 if (b == NULL) {
|
|
|
613 return NGX_ERROR;
|
|
|
614 }
|
|
|
615
|
|
|
616 b->memory = 1;
|
|
|
617
|
|
|
618 b->pos = tail;
|
|
|
619 b->last = tail + len;
|
|
320
|
620
|
|
344
|
621 out[1].buf = b;
|
|
376
|
622 out[1].next = NULL;
|
|
344
|
623
|
|
|
624 if (msie_padding) {
|
|
|
625 b = ngx_calloc_buf(r->pool);
|
|
|
626 if (b == NULL) {
|
|
|
627 return NGX_ERROR;
|
|
|
628 }
|
|
|
629
|
|
|
630 b->memory = 1;
|
|
|
631 b->pos = ngx_http_msie_stub;
|
|
|
632 b->last = ngx_http_msie_stub + sizeof(ngx_http_msie_stub) - 1;
|
|
320
|
633
|
|
344
|
634 out[1].next = &out[2];
|
|
|
635 out[2].buf = b;
|
|
376
|
636 out[2].next = NULL;
|
|
344
|
637 }
|
|
|
638
|
|
|
639 if (r == r->main) {
|
|
|
640 b->last_buf = 1;
|
|
|
641 }
|
|
|
642
|
|
|
643 b->last_in_chain = 1;
|
|
|
644
|
|
|
645 return ngx_http_output_filter(r, &out[0]);
|
|
|
646 }
|
|
|
647
|
|
228
|
648
|
|
344
|
649 static ngx_int_t
|
|
|
650 ngx_http_send_refresh(ngx_http_request_t *r)
|
|
|
651 {
|
|
|
652 u_char *p, *location;
|
|
|
653 size_t len, size;
|
|
|
654 uintptr_t escape;
|
|
|
655 ngx_int_t rc;
|
|
|
656 ngx_buf_t *b;
|
|
|
657 ngx_chain_t out;
|
|
|
658
|
|
|
659 len = r->headers_out.location->value.len;
|
|
|
660 location = r->headers_out.location->value.data;
|
|
|
661
|
|
|
662 escape = 2 * ngx_escape_uri(NULL, location, len, NGX_ESCAPE_REFRESH);
|
|
320
|
663
|
|
344
|
664 size = sizeof(ngx_http_msie_refresh_head) - 1
|
|
|
665 + escape + len
|
|
|
666 + sizeof(ngx_http_msie_refresh_tail) - 1;
|
|
|
667
|
|
|
668 r->err_status = NGX_HTTP_OK;
|
|
|
669
|
|
|
670 r->headers_out.content_type_len = sizeof("text/html") - 1;
|
|
|
671 r->headers_out.content_type.len = sizeof("text/html") - 1;
|
|
|
672 r->headers_out.content_type.data = (u_char *) "text/html";
|
|
|
673
|
|
|
674 r->headers_out.location->hash = 0;
|
|
|
675 r->headers_out.location = NULL;
|
|
|
676
|
|
|
677 r->headers_out.content_length_n = size;
|
|
|
678
|
|
|
679 if (r->headers_out.content_length) {
|
|
|
680 r->headers_out.content_length->hash = 0;
|
|
|
681 r->headers_out.content_length = NULL;
|
|
228
|
682 }
|
|
|
683
|
|
126
|
684 ngx_http_clear_accept_ranges(r);
|
|
|
685 ngx_http_clear_last_modified(r);
|
|
|
686
|
|
0
|
687 rc = ngx_http_send_header(r);
|
|
|
688
|
|
|
689 if (rc == NGX_ERROR || r->header_only) {
|
|
|
690 return rc;
|
|
|
691 }
|
|
|
692
|
|
344
|
693 b = ngx_create_temp_buf(r->pool, size);
|
|
|
694 if (b == NULL) {
|
|
|
695 return NGX_ERROR;
|
|
|
696 }
|
|
342
|
697
|
|
344
|
698 p = ngx_cpymem(b->pos, ngx_http_msie_refresh_head,
|
|
|
699 sizeof(ngx_http_msie_refresh_head) - 1);
|
|
228
|
700
|
|
344
|
701 if (escape == 0) {
|
|
|
702 p = ngx_cpymem(p, location, len);
|
|
228
|
703
|
|
|
704 } else {
|
|
344
|
705 p = (u_char *) ngx_escape_uri(p, location, len, NGX_ESCAPE_REFRESH);
|
|
0
|
706 }
|
|
|
707
|
|
344
|
708 b->last = ngx_cpymem(p, ngx_http_msie_refresh_tail,
|
|
|
709 sizeof(ngx_http_msie_refresh_tail) - 1);
|
|
58
|
710
|
|
344
|
711 b->last_buf = 1;
|
|
58
|
712 b->last_in_chain = 1;
|
|
0
|
713
|
|
344
|
714 out.buf = b;
|
|
|
715 out.next = NULL;
|
|
50
|
716
|
|
344
|
717 return ngx_http_output_filter(r, &out);
|
|
0
|
718 }
|
