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
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11
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12 #define NGX_HTTP_USERID_OFF 0
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13 #define NGX_HTTP_USERID_LOG 1
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14 #define NGX_HTTP_USERID_V1 2
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15 #define NGX_HTTP_USERID_ON 3
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16
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17 /* 31 Dec 2037 23:55:55 GMT */
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18 #define NGX_HTTP_USERID_MAX_EXPIRES 2145916555
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19
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20
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21 typedef struct {
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58
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22 ngx_uint_t enable;
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0
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23
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24 ngx_int_t service;
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25
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26 ngx_str_t name;
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27 ngx_str_t domain;
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28 ngx_str_t path;
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88
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29 ngx_str_t p3p;
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30
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31 time_t expires;
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32
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33 u_char mark;
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34 } ngx_http_userid_conf_t;
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35
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36
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37 typedef struct {
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10
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38 uint32_t uid_got[4];
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39 uint32_t uid_set[4];
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40 ngx_str_t cookie;
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0
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41 } ngx_http_userid_ctx_t;
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42
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43
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88
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44 static void ngx_http_userid_get_uid(ngx_http_request_t *r,
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48
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45 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
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46 static ngx_int_t ngx_http_userid_set_uid(ngx_http_request_t *r,
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48
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47 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
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0
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48
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122
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49 static ngx_int_t ngx_http_userid_add_variables(ngx_conf_t *cf);
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50 static ngx_int_t ngx_http_userid_variable(ngx_http_request_t *r,
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51 ngx_http_variable_value_t *v, uintptr_t data);
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52
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230
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53 static ngx_int_t ngx_http_userid_init(ngx_conf_t *cf);
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54 static void *ngx_http_userid_create_conf(ngx_conf_t *cf);
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55 static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent,
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48
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56 void *child);
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57 static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data);
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58 static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data);
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59 static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd,
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60 void *conf);
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61 static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data);
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88
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62 static char *ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd,
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63 void *conf);
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64
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0
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65
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66
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67 static uint32_t sequencer_v1 = 1;
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68 static uint32_t sequencer_v2 = 0x03030302;
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69
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70
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71 static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT";
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72
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73
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74 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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75
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76
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77 static ngx_conf_enum_t ngx_http_userid_state[] = {
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78 { ngx_string("off"), NGX_HTTP_USERID_OFF },
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79 { ngx_string("log"), NGX_HTTP_USERID_LOG },
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80 { ngx_string("v1"), NGX_HTTP_USERID_V1 },
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81 { ngx_string("on"), NGX_HTTP_USERID_ON },
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82 { ngx_null_string, 0 }
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83 };
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84
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85
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86 static ngx_conf_post_handler_pt ngx_http_userid_domain_p =
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87 ngx_http_userid_domain;
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88 static ngx_conf_post_handler_pt ngx_http_userid_path_p = ngx_http_userid_path;
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89 static ngx_conf_post_handler_pt ngx_http_userid_p3p_p = ngx_http_userid_p3p;
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90
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91
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92 static ngx_command_t ngx_http_userid_commands[] = {
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93
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94 { ngx_string("userid"),
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95 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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96 ngx_conf_set_enum_slot,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 offsetof(ngx_http_userid_conf_t, enable),
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99 ngx_http_userid_state },
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100
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101 { ngx_string("userid_service"),
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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103 ngx_conf_set_num_slot,
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104 NGX_HTTP_LOC_CONF_OFFSET,
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105 offsetof(ngx_http_userid_conf_t, service),
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106 NULL },
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107
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108 { ngx_string("userid_name"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110 ngx_conf_set_str_slot,
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111 NGX_HTTP_LOC_CONF_OFFSET,
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112 offsetof(ngx_http_userid_conf_t, name),
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113 NULL },
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114
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115 { ngx_string("userid_domain"),
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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117 ngx_conf_set_str_slot,
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118 NGX_HTTP_LOC_CONF_OFFSET,
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119 offsetof(ngx_http_userid_conf_t, domain),
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120 &ngx_http_userid_domain_p },
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121
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122 { ngx_string("userid_path"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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124 ngx_conf_set_str_slot,
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125 NGX_HTTP_LOC_CONF_OFFSET,
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126 offsetof(ngx_http_userid_conf_t, path),
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127 &ngx_http_userid_path_p },
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128
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129 { ngx_string("userid_expires"),
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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131 ngx_http_userid_expires,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 0,
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134 NULL },
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135
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136 { ngx_string("userid_p3p"),
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137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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138 ngx_conf_set_str_slot,
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139 NGX_HTTP_LOC_CONF_OFFSET,
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140 offsetof(ngx_http_userid_conf_t, p3p),
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141 &ngx_http_userid_p3p_p },
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142
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143 { ngx_string("userid_mark"),
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144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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145 ngx_http_userid_mark,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 0,
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148 NULL },
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149
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48
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150 ngx_null_command
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0
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151 };
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152
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153
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216
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154 static ngx_http_module_t ngx_http_userid_filter_module_ctx = {
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122
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155 ngx_http_userid_add_variables, /* preconfiguration */
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230
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156 ngx_http_userid_init, /* postconfiguration */
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157
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158 NULL, /* create main configuration */
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159 NULL, /* init main configuration */
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160
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161 NULL, /* create server configuration */
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162 NULL, /* merge server configuration */
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163
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164 ngx_http_userid_create_conf, /* create location configration */
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165 ngx_http_userid_merge_conf /* merge location configration */
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166 };
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167
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168
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169 ngx_module_t ngx_http_userid_filter_module = {
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58
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170 NGX_MODULE_V1,
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171 &ngx_http_userid_filter_module_ctx, /* module context */
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172 ngx_http_userid_commands, /* module directives */
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173 NGX_HTTP_MODULE, /* module type */
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90
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174 NULL, /* init master */
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230
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175 NULL, /* init module */
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90
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176 NULL, /* init process */
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177 NULL, /* init thread */
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178 NULL, /* exit thread */
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179 NULL, /* exit process */
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180 NULL, /* exit master */
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181 NGX_MODULE_V1_PADDING
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182 };
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183
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184
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122
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185 static ngx_str_t ngx_http_userid_got = ngx_string("uid_got");
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186 static ngx_str_t ngx_http_userid_set = ngx_string("uid_set");
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187
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188
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48
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189 static ngx_int_t
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190 ngx_http_userid_filter(ngx_http_request_t *r)
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191 {
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192 ngx_int_t rc;
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193 ngx_http_userid_ctx_t *ctx;
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194 ngx_http_userid_conf_t *conf;
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195
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146
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196 if (r != r->main) {
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197 return ngx_http_next_header_filter(r);
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198 }
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199
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200 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
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201
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202 if (conf->enable == NGX_HTTP_USERID_OFF) {
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203 return ngx_http_next_header_filter(r);
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204 }
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205
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206
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207 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t));
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208 if (ctx == NULL) {
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209 return NGX_ERROR;
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210 }
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211
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212 ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module);
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213
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214 ngx_http_userid_get_uid(r, ctx, conf);
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215
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216 if (conf->enable == NGX_HTTP_USERID_LOG) {
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217 return ngx_http_next_header_filter(r);
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218 }
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219
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220 if (ctx->uid_got[3] != 0) {
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221 if (conf->mark == '\0') {
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222 return ngx_http_next_header_filter(r);
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223
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224 } else {
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225 if (ctx->cookie.len > 23
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226 && ctx->cookie.data[22] == conf->mark
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227 && ctx->cookie.data[23] == '=')
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228 {
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229 return ngx_http_next_header_filter(r);
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230 }
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231 }
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0
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232 }
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233
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234 rc = ngx_http_userid_set_uid(r, ctx, conf);
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235
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236 if (rc != NGX_OK) {
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237 return rc;
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238 }
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239
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240 return ngx_http_next_header_filter(r);
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241 }
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242
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243
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88
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244 static void
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245 ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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246 ngx_http_userid_conf_t *conf)
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0
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247 {
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248 ngx_int_t n;
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249 ngx_str_t src, dst;
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250 ngx_table_elt_t **cookies;
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251
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252 n = ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &conf->name,
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253 &ctx->cookie);
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254 if (n == NGX_DECLINED) {
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255 return;
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256 }
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257
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258 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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259 "uid cookie: \"%V\"", &ctx->cookie);
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260
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261 if (ctx->cookie.len < 22) {
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262 cookies = r->headers_in.cookies.elts;
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263 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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264 "client sent too short userid cookie \"%V\"",
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265 &cookies[n]->value);
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266 return;
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267 }
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268
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269 src = ctx->cookie;
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270
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271 /*
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272 * we have to limit the encoded string to 22 characters because
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273 * 1) cookie may be marked by "userid_mark",
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274 * 2) and there are already the millions cookies with a garbage
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275 * instead of the correct base64 trail "=="
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276 */
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277
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278 src.len = 22;
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279
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280 dst.data = (u_char *) ctx->uid_got;
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281
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282 if (ngx_decode_base64(&dst, &src) == NGX_ERROR) {
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283 cookies = r->headers_in.cookies.elts;
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284 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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285 "client sent invalid userid cookie \"%V\"",
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286 &cookies[n]->value);
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287 return;
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58
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288 }
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289
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290 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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291 "uid: %08XD%08XD%08XD%08XD",
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292 ctx->uid_got[0], ctx->uid_got[1],
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293 ctx->uid_got[2], ctx->uid_got[3]);
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0
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294 }
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295
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296
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48
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297 static ngx_int_t
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298 ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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299 ngx_http_userid_conf_t *conf)
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0
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300 {
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301 u_char *cookie, *p;
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302 size_t len;
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303 socklen_t slen;
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28
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304 struct sockaddr_in sin;
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305 ngx_str_t src, dst;
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306 ngx_table_elt_t *set_cookie, *p3p;
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307
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88
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308 /*
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309 * TODO: in the threaded mode the sequencers should be in TLS and their
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310 * ranges should be divided between threads
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311 */
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312
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313 if (ctx->uid_got[3] == 0) {
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0
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314
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88
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315 if (conf->enable == NGX_HTTP_USERID_V1) {
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316 if (conf->service == NGX_CONF_UNSET) {
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317 ctx->uid_set[0] = 0;
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318 } else {
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319 ctx->uid_set[0] = conf->service;
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320 }
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321 ctx->uid_set[1] = ngx_time();
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322 ctx->uid_set[2] = ngx_pid;
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323 ctx->uid_set[3] = sequencer_v1;
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324 sequencer_v1 += 0x100;
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325
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0
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326 } else {
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88
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327 if (conf->service == NGX_CONF_UNSET) {
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328 if (r->in_addr == 0) {
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329 slen = sizeof(struct sockaddr_in);
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330 if (getsockname(r->connection->fd,
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250
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331 (struct sockaddr *) &sin, &slen)
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332 == -1)
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88
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333 {
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250
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334 ngx_connection_error(r->connection, ngx_socket_errno,
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335 "getsockname() failed");
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336 return NGX_ERROR;
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88
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337 }
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338
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339 r->in_addr = sin.sin_addr.s_addr;
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340 }
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0
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341
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88
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342 ctx->uid_set[0] = htonl(r->in_addr);
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343
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344 } else {
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345 ctx->uid_set[0] = htonl(conf->service);
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346 }
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347
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348 ctx->uid_set[1] = htonl(ngx_time());
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349 ctx->uid_set[2] = htonl(ngx_pid);
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350 ctx->uid_set[3] = htonl(sequencer_v2);
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351 sequencer_v2 += 0x100;
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352 if (sequencer_v2 < 0x03030302) {
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353 sequencer_v2 = 0x03030302;
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354 }
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355 }
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0
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356
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357 } else {
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88
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358 ctx->uid_set[0] = ctx->uid_got[0];
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359 ctx->uid_set[1] = ctx->uid_got[1];
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360 ctx->uid_set[2] = ctx->uid_got[2];
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361 ctx->uid_set[3] = ctx->uid_got[3];
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0
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362 }
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363
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10
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364 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
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0
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365
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366 if (conf->expires) {
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367 len += sizeof(expires) - 1 + 2;
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368 }
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369
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28
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370 if (conf->domain.len) {
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10
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371 len += conf->domain.len;
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0
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372 }
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373
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48
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374 cookie = ngx_palloc(r->pool, len);
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375 if (cookie == NULL) {
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0
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376 return NGX_ERROR;
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377 }
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378
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122
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379 p = ngx_copy(cookie, conf->name.data, conf->name.len);
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0
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380 *p++ = '=';
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381
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88
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382 if (ctx->uid_got[3] == 0) {
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383 src.len = 16;
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384 src.data = (u_char *) ctx->uid_set;
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385 dst.data = p;
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386
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387 ngx_encode_base64(&dst, &src);
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388
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389 p += dst.len;
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0
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390
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88
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391 if (conf->mark) {
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392 *(p - 2) = conf->mark;
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393 }
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0
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394
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88
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395 } else {
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396 p = ngx_cpymem(p, ctx->cookie.data, 22);
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397 *p++ = conf->mark;
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398 *p++ = '=';
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399 }
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0
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400
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401 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
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402 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
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403
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404 } else if (conf->expires) {
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405 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
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4
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406 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
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0
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407 }
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408
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122
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409 p = ngx_copy(p, conf->domain.data, conf->domain.len);
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0
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410
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122
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411 p = ngx_copy(p, conf->path.data, conf->path.len);
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0
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412
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48
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413 set_cookie = ngx_list_push(&r->headers_out.headers);
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414 if (set_cookie == NULL) {
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0
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415 return NGX_ERROR;
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416 }
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417
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58
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418 set_cookie->hash = 1;
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0
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419 set_cookie->key.len = sizeof("Set-Cookie") - 1;
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420 set_cookie->key.data = (u_char *) "Set-Cookie";
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421 set_cookie->value.len = p - cookie;
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422 set_cookie->value.data = cookie;
|
|
423
|
10
|
424 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
425 "uid cookie: \"%V\"", &set_cookie->value);
|
|
426
|
28
|
427 if (conf->p3p.len == 0) {
|
10
|
428 return NGX_OK;
|
|
429 }
|
|
430
|
48
|
431 p3p = ngx_list_push(&r->headers_out.headers);
|
|
432 if (p3p == NULL) {
|
10
|
433 return NGX_ERROR;
|
|
434 }
|
|
435
|
58
|
436 p3p->hash = 1;
|
10
|
437 p3p->key.len = sizeof("P3P") - 1;
|
|
438 p3p->key.data = (u_char *) "P3P";
|
|
439 p3p->value = conf->p3p;
|
|
440
|
0
|
441 return NGX_OK;
|
|
442 }
|
|
443
|
|
444
|
48
|
445 static ngx_int_t
|
122
|
446 ngx_http_userid_add_variables(ngx_conf_t *cf)
|
0
|
447 {
|
260
|
448 ngx_http_variable_t *var;
|
28
|
449
|
132
|
450 var = ngx_http_add_variable(cf, &ngx_http_userid_got, NGX_HTTP_VAR_NOHASH);
|
122
|
451 if (var == NULL) {
|
|
452 return NGX_ERROR;
|
|
453 }
|
|
454
|
186
|
455 var->get_handler = ngx_http_userid_variable;
|
122
|
456 var->data = offsetof(ngx_http_userid_ctx_t, uid_got);
|
|
457
|
132
|
458 var = ngx_http_add_variable(cf, &ngx_http_userid_set, NGX_HTTP_VAR_NOHASH);
|
122
|
459 if (var == NULL) {
|
|
460 return NGX_ERROR;
|
|
461 }
|
|
462
|
186
|
463 var->get_handler = ngx_http_userid_variable;
|
122
|
464 var->data = offsetof(ngx_http_userid_ctx_t, uid_set);
|
|
465
|
0
|
466 return NGX_OK;
|
|
467 }
|
|
468
|
|
469
|
48
|
470 static ngx_int_t
|
122
|
471 ngx_http_userid_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
472 uintptr_t data)
|
|
473 {
|
|
474 uint32_t *uid;
|
|
475 ngx_http_userid_ctx_t *ctx;
|
|
476 ngx_http_userid_conf_t *conf;
|
|
477
|
|
478 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
479
|
|
480 uid = (uint32_t *) ((char *) ctx + data);
|
|
481
|
|
482 if (ctx == NULL || uid[3] == 0) {
|
|
483 v->not_found = 1;
|
|
484 return NGX_OK;
|
|
485 }
|
|
486
|
|
487 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
488
|
|
489 v->len = conf->name.len + sizeof("=00001111222233334444555566667777") - 1;
|
|
490 v->data = ngx_palloc(r->pool, v->len);
|
|
491 if (v->data == NULL) {
|
|
492 return NGX_ERROR;
|
|
493 }
|
|
494
|
206
|
495 v->valid = 1;
|
340
|
496 v->no_cacheable = 0;
|
206
|
497 v->not_found = 0;
|
|
498
|
122
|
499 ngx_sprintf(v->data, "%V=%08XD%08XD%08XD%08XD",
|
|
500 &conf->name, uid[0], uid[1], uid[2], uid[3]);
|
|
501
|
|
502 return NGX_OK;
|
|
503 }
|
|
504
|
|
505
|
48
|
506 static void *
|
|
507 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
126
|
508 {
|
0
|
509 ngx_http_userid_conf_t *conf;
|
|
510
|
48
|
511 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
512 if (conf == NULL) {
|
0
|
513 return NGX_CONF_ERROR;
|
|
514 }
|
|
515
|
28
|
516 /*
|
|
517 * set by ngx_pcalloc():
|
|
518 *
|
|
519 * conf->name.len = 0;
|
|
520 * conf->name.date = NULL;
|
|
521 * conf->domain.len = 0;
|
|
522 * conf->domain.date = NULL;
|
|
523 * conf->path.len = 0;
|
|
524 * conf->path.date = NULL;
|
|
525 * conf->p3p.len = 0;
|
|
526 * conf->p3p.date = NULL;
|
|
527 */
|
0
|
528
|
58
|
529 conf->enable = NGX_CONF_UNSET_UINT;
|
0
|
530 conf->service = NGX_CONF_UNSET;
|
|
531 conf->expires = NGX_CONF_UNSET;
|
88
|
532 conf->mark = (u_char) '\xFF';
|
0
|
533
|
|
534 return conf;
|
126
|
535 }
|
0
|
536
|
|
537
|
48
|
538 static char *
|
|
539 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
0
|
540 {
|
|
541 ngx_http_userid_conf_t *prev = parent;
|
|
542 ngx_http_userid_conf_t *conf = child;
|
|
543
|
212
|
544 ngx_conf_merge_uint_value(conf->enable, prev->enable,
|
|
545 NGX_HTTP_USERID_OFF);
|
0
|
546
|
|
547 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
28
|
548 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
10
|
549 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
28
|
550 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
0
|
551
|
|
552 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
553 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
554
|
88
|
555 if (conf->mark == (u_char) '\xFF') {
|
|
556 if (prev->mark == (u_char) '\xFF') {
|
|
557 conf->mark = '\0';
|
|
558 } else {
|
|
559 conf->mark = prev->mark;
|
|
560 }
|
|
561 }
|
|
562
|
0
|
563 return NGX_CONF_OK;
|
|
564 }
|
|
565
|
|
566
|
230
|
567 static ngx_int_t
|
|
568 ngx_http_userid_init(ngx_conf_t *cf)
|
|
569 {
|
|
570 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
571 ngx_http_top_header_filter = ngx_http_userid_filter;
|
|
572
|
|
573 return NGX_OK;
|
|
574 }
|
|
575
|
|
576
|
48
|
577 static char *
|
|
578 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
0
|
579 {
|
|
580 ngx_str_t *domain = data;
|
|
581
|
10
|
582 u_char *p, *new;
|
|
583
|
52
|
584 if (ngx_strcmp(domain->data, "none") == 0) {
|
28
|
585 domain->len = 0;
|
|
586 domain->data = (u_char *) "";
|
10
|
587
|
|
588 return NGX_CONF_OK;
|
0
|
589 }
|
|
590
|
48
|
591 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
592 if (new == NULL) {
|
10
|
593 return NGX_CONF_ERROR;
|
|
594 }
|
|
595
|
|
596 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
50
|
597 ngx_memcpy(p, domain->data, domain->len);
|
10
|
598
|
|
599 domain->len += sizeof("; domain=") - 1;
|
|
600 domain->data = new;
|
|
601
|
|
602 return NGX_CONF_OK;
|
|
603 }
|
|
604
|
|
605
|
48
|
606 static char *
|
|
607 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
10
|
608 {
|
|
609 ngx_str_t *path = data;
|
|
610
|
|
611 u_char *p, *new;
|
|
612
|
48
|
613 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
614 if (new == NULL) {
|
10
|
615 return NGX_CONF_ERROR;
|
|
616 }
|
|
617
|
|
618 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
50
|
619 ngx_memcpy(p, path->data, path->len);
|
10
|
620
|
|
621 path->len += sizeof("; path=") - 1;
|
|
622 path->data = new;
|
|
623
|
0
|
624 return NGX_CONF_OK;
|
|
625 }
|
|
626
|
|
627
|
48
|
628 static char *
|
|
629 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
0
|
630 {
|
|
631 ngx_http_userid_conf_t *ucf = conf;
|
|
632
|
88
|
633 ngx_str_t *value;
|
0
|
634
|
|
635 if (ucf->expires != NGX_CONF_UNSET) {
|
|
636 return "is duplicate";
|
|
637 }
|
|
638
|
|
639 value = cf->args->elts;
|
|
640
|
|
641 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
642 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
643 return NGX_CONF_OK;
|
|
644 }
|
|
645
|
|
646 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
647 ucf->expires = 0;
|
|
648 return NGX_CONF_OK;
|
|
649 }
|
|
650
|
|
651 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
652 if (ucf->expires == NGX_ERROR) {
|
|
653 return "invalid value";
|
|
654 }
|
|
655
|
|
656 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
657 return "value must be less than 68 years";
|
|
658 }
|
|
659
|
|
660 return NGX_CONF_OK;
|
|
661 }
|
10
|
662
|
|
663
|
48
|
664 static char *
|
|
665 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
10
|
666 {
|
|
667 ngx_str_t *p3p = data;
|
|
668
|
52
|
669 if (ngx_strcmp(p3p->data, "none") == 0) {
|
28
|
670 p3p->len = 0;
|
|
671 p3p->data = (u_char *) "";
|
10
|
672 }
|
|
673
|
|
674 return NGX_CONF_OK;
|
|
675 }
|
88
|
676
|
|
677
|
|
678 static char *
|
|
679 ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
680 {
|
|
681 ngx_http_userid_conf_t *ucf = conf;
|
|
682
|
|
683 ngx_str_t *value;
|
|
684
|
|
685 if (ucf->mark != (u_char) '\xFF') {
|
|
686 return "is duplicate";
|
|
687 }
|
|
688
|
|
689 value = cf->args->elts;
|
|
690
|
|
691 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
692 ucf->mark = '\0';
|
|
693 return NGX_CONF_OK;
|
|
694 }
|
|
695
|
|
696 if (value[1].len != 1
|
|
697 || !((value[1].data[0] >= '0' && value[1].data[0] <= '9')
|
|
698 || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z')
|
|
699 || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z')
|
|
700 || value[1].data[0] == '='))
|
|
701 {
|
|
702 return "value must be \"off\" or a single letter, digit or \"=\"";
|
|
703 }
|
|
704
|
|
705 ucf->mark = value[1].data[0];
|
|
706
|
|
707 return NGX_CONF_OK;
|
|
708 }
|