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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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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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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28
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49 static size_t ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r,
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48
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50 uintptr_t data);
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0
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51 static u_char *ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
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52 ngx_http_log_op_t *op);
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28
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53 static size_t ngx_http_userid_log_uid_set_getlen(ngx_http_request_t *r,
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54 uintptr_t data);
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55 static u_char *ngx_http_userid_log_uid_set(ngx_http_request_t *r, u_char *buf,
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56 ngx_http_log_op_t *op);
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57
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28
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58 static ngx_int_t ngx_http_userid_add_log_formats(ngx_conf_t *cf);
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59 static ngx_int_t ngx_http_userid_init(ngx_cycle_t *cycle);
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60 static void *ngx_http_userid_create_conf(ngx_conf_t *cf);
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61 static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent,
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48
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62 void *child);
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63 static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data);
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64 static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data);
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65 static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd,
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66 void *conf);
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67 static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data);
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68 static char *ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd,
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69 void *conf);
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70
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0
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71
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72
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73 static uint32_t sequencer_v1 = 1;
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74 static uint32_t sequencer_v2 = 0x03030302;
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75
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76
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77 static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT";
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78
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79
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80 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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81
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82
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83 static ngx_conf_enum_t ngx_http_userid_state[] = {
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84 { ngx_string("off"), NGX_HTTP_USERID_OFF },
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85 { ngx_string("log"), NGX_HTTP_USERID_LOG },
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86 { ngx_string("v1"), NGX_HTTP_USERID_V1 },
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87 { ngx_string("on"), NGX_HTTP_USERID_ON },
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88 { ngx_null_string, 0 }
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89 };
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90
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91
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92 static ngx_conf_post_handler_pt ngx_http_userid_domain_p =
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93 ngx_http_userid_domain;
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94 static ngx_conf_post_handler_pt ngx_http_userid_path_p = ngx_http_userid_path;
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95 static ngx_conf_post_handler_pt ngx_http_userid_p3p_p = ngx_http_userid_p3p;
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0
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96
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97
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98 static ngx_command_t ngx_http_userid_commands[] = {
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99
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100 { ngx_string("userid"),
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101 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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102 ngx_conf_set_enum_slot,
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103 NGX_HTTP_LOC_CONF_OFFSET,
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104 offsetof(ngx_http_userid_conf_t, enable),
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105 ngx_http_userid_state },
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106
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107 { ngx_string("userid_service"),
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108 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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109 ngx_conf_set_num_slot,
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110 NGX_HTTP_LOC_CONF_OFFSET,
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111 offsetof(ngx_http_userid_conf_t, service),
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112 NULL },
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113
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114 { ngx_string("userid_name"),
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115 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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116 ngx_conf_set_str_slot,
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117 NGX_HTTP_LOC_CONF_OFFSET,
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118 offsetof(ngx_http_userid_conf_t, name),
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119 NULL },
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120
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121 { ngx_string("userid_domain"),
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122 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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123 ngx_conf_set_str_slot,
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124 NGX_HTTP_LOC_CONF_OFFSET,
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125 offsetof(ngx_http_userid_conf_t, domain),
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126 &ngx_http_userid_domain_p },
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127
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128 { ngx_string("userid_path"),
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129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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130 ngx_conf_set_str_slot,
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131 NGX_HTTP_LOC_CONF_OFFSET,
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132 offsetof(ngx_http_userid_conf_t, path),
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133 &ngx_http_userid_path_p },
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134
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135 { ngx_string("userid_expires"),
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136 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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137 ngx_http_userid_expires,
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138 NGX_HTTP_LOC_CONF_OFFSET,
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139 0,
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140 NULL },
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141
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142 { ngx_string("userid_p3p"),
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143 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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144 ngx_conf_set_str_slot,
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145 NGX_HTTP_LOC_CONF_OFFSET,
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146 offsetof(ngx_http_userid_conf_t, p3p),
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147 &ngx_http_userid_p3p_p },
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148
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88
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149 { ngx_string("userid_mark"),
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150 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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151 ngx_http_userid_mark,
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152 NGX_HTTP_LOC_CONF_OFFSET,
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153 0,
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154 NULL },
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155
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48
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156 ngx_null_command
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157 };
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158
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159
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160 ngx_http_module_t ngx_http_userid_filter_module_ctx = {
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161 ngx_http_userid_add_log_formats, /* preconfiguration */
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162 NULL, /* postconfiguration */
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163
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164 NULL, /* create main configuration */
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165 NULL, /* init main configuration */
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166
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167 NULL, /* create server configuration */
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168 NULL, /* merge server configuration */
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169
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170 ngx_http_userid_create_conf, /* create location configration */
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171 ngx_http_userid_merge_conf /* merge location configration */
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172 };
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173
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174
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175 ngx_module_t ngx_http_userid_filter_module = {
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58
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176 NGX_MODULE_V1,
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177 &ngx_http_userid_filter_module_ctx, /* module context */
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178 ngx_http_userid_commands, /* module directives */
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179 NGX_HTTP_MODULE, /* module type */
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180 NULL, /* init master */
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181 ngx_http_userid_init, /* init module */
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182 NULL, /* init process */
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183 NULL, /* init thread */
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184 NULL, /* exit thread */
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185 NULL, /* exit process */
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186 NULL, /* exit master */
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187 NGX_MODULE_V1_PADDING
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188 };
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189
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190
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191 static ngx_http_log_op_name_t ngx_http_userid_log_fmt_ops[] = {
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28
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192 { ngx_string("uid_got"), 0, NULL,
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193 ngx_http_userid_log_uid_got_getlen,
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194 ngx_http_userid_log_uid_got },
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195 { ngx_string("uid_set"), 0, NULL,
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196 ngx_http_userid_log_uid_set_getlen,
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197 ngx_http_userid_log_uid_set },
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198 { ngx_null_string, 0, NULL, NULL, NULL }
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199 };
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200
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201
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48
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202 static ngx_int_t
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203 ngx_http_userid_filter(ngx_http_request_t *r)
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204 {
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205 ngx_int_t rc;
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206 ngx_http_userid_ctx_t *ctx;
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207 ngx_http_userid_conf_t *conf;
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208
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102
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209 if (r->main != r) {
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210 return ngx_http_next_header_filter(r);
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211 }
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212
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213 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
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214
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215 if (conf->enable == NGX_HTTP_USERID_OFF) {
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216 return ngx_http_next_header_filter(r);
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217 }
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218
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219
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220 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t));
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221 if (ctx == NULL) {
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222 return NGX_ERROR;
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223 }
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224
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225 ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module);
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226
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227 ngx_http_userid_get_uid(r, ctx, conf);
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228
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229 if (conf->enable == NGX_HTTP_USERID_LOG) {
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230 return ngx_http_next_header_filter(r);
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231 }
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232
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233 if (ctx->uid_got[3] != 0) {
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234 if (conf->mark == '\0') {
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235 return ngx_http_next_header_filter(r);
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236
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237 } else {
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238 if (ctx->cookie.len > 23
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239 && ctx->cookie.data[22] == conf->mark
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240 && ctx->cookie.data[23] == '=')
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241 {
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242 return ngx_http_next_header_filter(r);
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243 }
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244 }
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245 }
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246
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247 rc = ngx_http_userid_set_uid(r, ctx, conf);
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248
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249 if (rc != NGX_OK) {
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250 return rc;
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251 }
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252
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253 return ngx_http_next_header_filter(r);
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254 }
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255
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256
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257 static void
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258 ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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259 ngx_http_userid_conf_t *conf)
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260 {
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261 ngx_int_t n;
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262 ngx_str_t src, dst;
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263 ngx_table_elt_t **cookies;
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264
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265 n = ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &conf->name,
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266 &ctx->cookie);
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267 if (n == NGX_DECLINED) {
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268 return;
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269 }
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270
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271 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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272 "uid cookie: \"%V\"", &ctx->cookie);
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273
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274 if (ctx->cookie.len < 22) {
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275 cookies = r->headers_in.cookies.elts;
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276 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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277 "client sent too short userid cookie \"%V\"",
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278 &cookies[n]->value);
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279 return;
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280 }
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281
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282 src = ctx->cookie;
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283
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284 /*
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285 * we have to limit the encoded string to 22 characters because
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286 * 1) cookie may be marked by "userid_mark",
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287 * 2) and there are already the millions cookies with a garbage
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288 * instead of the correct base64 trail "=="
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289 */
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290
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291 src.len = 22;
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292
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293 dst.data = (u_char *) ctx->uid_got;
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294
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295 if (ngx_decode_base64(&dst, &src) == NGX_ERROR) {
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296 cookies = r->headers_in.cookies.elts;
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297 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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298 "client sent invalid userid cookie \"%V\"",
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299 &cookies[n]->value);
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300 return;
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58
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301 }
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302
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58
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303 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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304 "uid: %08XD%08XD%08XD%08XD",
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305 ctx->uid_got[0], ctx->uid_got[1],
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306 ctx->uid_got[2], ctx->uid_got[3]);
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0
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307 }
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308
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309
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48
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310 static ngx_int_t
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311 ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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312 ngx_http_userid_conf_t *conf)
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0
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313 {
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314 u_char *cookie, *p;
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315 size_t len;
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316 socklen_t slen;
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28
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317 struct sockaddr_in sin;
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318 ngx_str_t src, dst;
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319 ngx_table_elt_t *set_cookie, *p3p;
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320
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88
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321 /*
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322 * TODO: in the threaded mode the sequencers should be in TLS and their
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323 * ranges should be divided between threads
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324 */
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325
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326 if (ctx->uid_got[3] == 0) {
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0
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327
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88
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328 if (conf->enable == NGX_HTTP_USERID_V1) {
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329 if (conf->service == NGX_CONF_UNSET) {
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330 ctx->uid_set[0] = 0;
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331 } else {
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332 ctx->uid_set[0] = conf->service;
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333 }
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334 ctx->uid_set[1] = ngx_time();
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335 ctx->uid_set[2] = ngx_pid;
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336 ctx->uid_set[3] = sequencer_v1;
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337 sequencer_v1 += 0x100;
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338
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0
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339 } else {
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88
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340 if (conf->service == NGX_CONF_UNSET) {
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341 if (r->in_addr == 0) {
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342 slen = sizeof(struct sockaddr_in);
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343 if (getsockname(r->connection->fd,
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344 (struct sockaddr *) &sin, &slen) == -1)
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345 {
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346 ngx_log_error(NGX_LOG_CRIT, r->connection->log,
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347 ngx_socket_errno, "getsockname() failed");
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348 }
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349
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350 r->in_addr = sin.sin_addr.s_addr;
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351 }
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0
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352
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88
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353 ctx->uid_set[0] = htonl(r->in_addr);
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354
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355 } else {
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356 ctx->uid_set[0] = htonl(conf->service);
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357 }
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358
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359 ctx->uid_set[1] = htonl(ngx_time());
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360 ctx->uid_set[2] = htonl(ngx_pid);
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361 ctx->uid_set[3] = htonl(sequencer_v2);
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362 sequencer_v2 += 0x100;
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363 if (sequencer_v2 < 0x03030302) {
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364 sequencer_v2 = 0x03030302;
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365 }
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366 }
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0
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367
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368 } else {
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88
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369 ctx->uid_set[0] = ctx->uid_got[0];
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370 ctx->uid_set[1] = ctx->uid_got[1];
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371 ctx->uid_set[2] = ctx->uid_got[2];
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372 ctx->uid_set[3] = ctx->uid_got[3];
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0
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373 }
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374
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10
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375 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
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0
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376
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377 if (conf->expires) {
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378 len += sizeof(expires) - 1 + 2;
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379 }
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380
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28
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381 if (conf->domain.len) {
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10
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382 len += conf->domain.len;
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0
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383 }
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384
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48
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385 cookie = ngx_palloc(r->pool, len);
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386 if (cookie == NULL) {
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0
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387 return NGX_ERROR;
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388 }
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389
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390 p = ngx_cpymem(cookie, conf->name.data, conf->name.len);
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391 *p++ = '=';
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392
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88
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393 if (ctx->uid_got[3] == 0) {
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394 src.len = 16;
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395 src.data = (u_char *) ctx->uid_set;
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396 dst.data = p;
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397
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398 ngx_encode_base64(&dst, &src);
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399
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400 p += dst.len;
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0
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401
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88
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402 if (conf->mark) {
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403 *(p - 2) = conf->mark;
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404 }
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0
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405
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88
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406 } else {
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407 p = ngx_cpymem(p, ctx->cookie.data, 22);
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408 *p++ = conf->mark;
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409 *p++ = '=';
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410 }
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0
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411
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412 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
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413 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
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414
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415 } else if (conf->expires) {
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416 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
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4
|
417 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
|
0
|
418 }
|
|
419
|
28
|
420 if (conf->domain.len) {
|
0
|
421 p = ngx_cpymem(p, conf->domain.data, conf->domain.len);
|
|
422 }
|
|
423
|
10
|
424 p = ngx_cpymem(p, conf->path.data, conf->path.len);
|
0
|
425
|
48
|
426 set_cookie = ngx_list_push(&r->headers_out.headers);
|
|
427 if (set_cookie == NULL) {
|
0
|
428 return NGX_ERROR;
|
|
429 }
|
|
430
|
58
|
431 set_cookie->hash = 1;
|
0
|
432 set_cookie->key.len = sizeof("Set-Cookie") - 1;
|
|
433 set_cookie->key.data = (u_char *) "Set-Cookie";
|
|
434 set_cookie->value.len = p - cookie;
|
|
435 set_cookie->value.data = cookie;
|
|
436
|
10
|
437 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
438 "uid cookie: \"%V\"", &set_cookie->value);
|
|
439
|
28
|
440 if (conf->p3p.len == 0) {
|
10
|
441 return NGX_OK;
|
|
442 }
|
|
443
|
48
|
444 p3p = ngx_list_push(&r->headers_out.headers);
|
|
445 if (p3p == NULL) {
|
10
|
446 return NGX_ERROR;
|
|
447 }
|
|
448
|
58
|
449 p3p->hash = 1;
|
10
|
450 p3p->key.len = sizeof("P3P") - 1;
|
|
451 p3p->key.data = (u_char *) "P3P";
|
|
452 p3p->value = conf->p3p;
|
|
453
|
0
|
454 return NGX_OK;
|
|
455 }
|
|
456
|
|
457
|
48
|
458 static size_t
|
|
459 ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r, uintptr_t data)
|
0
|
460 {
|
|
461 ngx_http_userid_ctx_t *ctx;
|
|
462 ngx_http_userid_conf_t *conf;
|
|
463
|
|
464 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
465
|
|
466 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
28
|
467 return 1;
|
|
468 }
|
|
469
|
|
470 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
471
|
|
472 return conf->name.len + 1 + 32;
|
|
473 }
|
|
474
|
0
|
475
|
48
|
476 static u_char *
|
|
477 ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
|
|
478 ngx_http_log_op_t *op)
|
28
|
479 {
|
|
480 ngx_http_userid_ctx_t *ctx;
|
|
481 ngx_http_userid_conf_t *conf;
|
|
482
|
|
483 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
484
|
|
485 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
0
|
486 *buf = '-';
|
|
487 return buf + 1;
|
|
488 }
|
|
489
|
|
490 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
491
|
|
492 buf = ngx_cpymem(buf, conf->name.data, conf->name.len);
|
|
493
|
|
494 *buf++ = '=';
|
|
495
|
10
|
496 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
497 ctx->uid_got[0], ctx->uid_got[1],
|
|
498 ctx->uid_got[2], ctx->uid_got[3]);
|
0
|
499 }
|
|
500
|
|
501
|
48
|
502 static size_t
|
|
503 ngx_http_userid_log_uid_set_getlen(ngx_http_request_t *r, uintptr_t data)
|
0
|
504 {
|
|
505 ngx_http_userid_ctx_t *ctx;
|
|
506 ngx_http_userid_conf_t *conf;
|
|
507
|
|
508 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
509
|
|
510 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
28
|
511 return 1;
|
|
512 }
|
|
513
|
|
514 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
515
|
|
516 return conf->name.len + 1 + 32;
|
|
517 }
|
|
518
|
0
|
519
|
48
|
520 static u_char *
|
|
521 ngx_http_userid_log_uid_set(ngx_http_request_t *r, u_char *buf,
|
|
522 ngx_http_log_op_t *op)
|
28
|
523 {
|
|
524 ngx_http_userid_ctx_t *ctx;
|
|
525 ngx_http_userid_conf_t *conf;
|
|
526
|
|
527 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
528
|
|
529 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
0
|
530 *buf = '-';
|
|
531 return buf + 1;
|
|
532 }
|
|
533
|
|
534 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
535
|
|
536 buf = ngx_cpymem(buf, conf->name.data, conf->name.len);
|
|
537
|
|
538 *buf++ = '=';
|
|
539
|
10
|
540 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
541 ctx->uid_set[0], ctx->uid_set[1],
|
|
542 ctx->uid_set[2], ctx->uid_set[3]);
|
0
|
543 }
|
|
544
|
|
545
|
48
|
546 static ngx_int_t
|
|
547 ngx_http_userid_add_log_formats(ngx_conf_t *cf)
|
0
|
548 {
|
28
|
549 ngx_http_log_op_name_t *op;
|
|
550
|
|
551 for (op = ngx_http_userid_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
552 op->run = NULL;
|
|
553
|
|
554 for (op = ngx_http_log_fmt_ops; op->run; op++) {
|
|
555 if (op->name.len == 0) {
|
|
556 op = (ngx_http_log_op_name_t *) op->run;
|
|
557 }
|
|
558 }
|
|
559
|
|
560 op->run = (ngx_http_log_op_run_pt) ngx_http_userid_log_fmt_ops;
|
0
|
561
|
|
562 return NGX_OK;
|
|
563 }
|
|
564
|
|
565
|
48
|
566 static ngx_int_t
|
|
567 ngx_http_userid_init(ngx_cycle_t *cycle)
|
0
|
568 {
|
28
|
569 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
570 ngx_http_top_header_filter = ngx_http_userid_filter;
|
0
|
571
|
|
572 return NGX_OK;
|
|
573 }
|
|
574
|
|
575
|
48
|
576 static void *
|
|
577 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
0
|
578 {
|
|
579 ngx_http_userid_conf_t *conf;
|
|
580
|
48
|
581 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
582 if (conf == NULL) {
|
0
|
583 return NGX_CONF_ERROR;
|
|
584 }
|
|
585
|
28
|
586 /*
|
|
587 * set by ngx_pcalloc():
|
|
588 *
|
|
589 * conf->name.len = 0;
|
|
590 * conf->name.date = NULL;
|
|
591 * conf->domain.len = 0;
|
|
592 * conf->domain.date = NULL;
|
|
593 * conf->path.len = 0;
|
|
594 * conf->path.date = NULL;
|
|
595 * conf->p3p.len = 0;
|
|
596 * conf->p3p.date = NULL;
|
|
597 */
|
0
|
598
|
58
|
599 conf->enable = NGX_CONF_UNSET_UINT;
|
0
|
600 conf->service = NGX_CONF_UNSET;
|
|
601 conf->expires = NGX_CONF_UNSET;
|
88
|
602 conf->mark = (u_char) '\xFF';
|
0
|
603
|
|
604 return conf;
|
|
605 }
|
|
606
|
|
607
|
48
|
608 static char *
|
|
609 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
0
|
610 {
|
|
611 ngx_http_userid_conf_t *prev = parent;
|
|
612 ngx_http_userid_conf_t *conf = child;
|
|
613
|
58
|
614 ngx_conf_merge_unsigned_value(conf->enable, prev->enable,
|
|
615 NGX_HTTP_USERID_OFF);
|
0
|
616
|
|
617 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
28
|
618 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
10
|
619 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
28
|
620 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
0
|
621
|
|
622 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
623 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
624
|
88
|
625 if (conf->mark == (u_char) '\xFF') {
|
|
626 if (prev->mark == (u_char) '\xFF') {
|
|
627 conf->mark = '\0';
|
|
628 } else {
|
|
629 conf->mark = prev->mark;
|
|
630 }
|
|
631 }
|
|
632
|
0
|
633 return NGX_CONF_OK;
|
|
634 }
|
|
635
|
|
636
|
48
|
637 static char *
|
|
638 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
0
|
639 {
|
|
640 ngx_str_t *domain = data;
|
|
641
|
10
|
642 u_char *p, *new;
|
|
643
|
52
|
644 if (ngx_strcmp(domain->data, "none") == 0) {
|
28
|
645 domain->len = 0;
|
|
646 domain->data = (u_char *) "";
|
10
|
647
|
|
648 return NGX_CONF_OK;
|
0
|
649 }
|
|
650
|
48
|
651 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
652 if (new == NULL) {
|
10
|
653 return NGX_CONF_ERROR;
|
|
654 }
|
|
655
|
|
656 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
50
|
657 ngx_memcpy(p, domain->data, domain->len);
|
10
|
658
|
|
659 domain->len += sizeof("; domain=") - 1;
|
|
660 domain->data = new;
|
|
661
|
|
662 return NGX_CONF_OK;
|
|
663 }
|
|
664
|
|
665
|
48
|
666 static char *
|
|
667 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
10
|
668 {
|
|
669 ngx_str_t *path = data;
|
|
670
|
|
671 u_char *p, *new;
|
|
672
|
48
|
673 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
674 if (new == NULL) {
|
10
|
675 return NGX_CONF_ERROR;
|
|
676 }
|
|
677
|
|
678 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
50
|
679 ngx_memcpy(p, path->data, path->len);
|
10
|
680
|
|
681 path->len += sizeof("; path=") - 1;
|
|
682 path->data = new;
|
|
683
|
0
|
684 return NGX_CONF_OK;
|
|
685 }
|
|
686
|
|
687
|
48
|
688 static char *
|
|
689 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
0
|
690 {
|
|
691 ngx_http_userid_conf_t *ucf = conf;
|
|
692
|
88
|
693 ngx_str_t *value;
|
0
|
694
|
|
695 if (ucf->expires != NGX_CONF_UNSET) {
|
|
696 return "is duplicate";
|
|
697 }
|
|
698
|
|
699 value = cf->args->elts;
|
|
700
|
|
701 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
702 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
703 return NGX_CONF_OK;
|
|
704 }
|
|
705
|
|
706 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
707 ucf->expires = 0;
|
|
708 return NGX_CONF_OK;
|
|
709 }
|
|
710
|
|
711 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
712 if (ucf->expires == NGX_ERROR) {
|
|
713 return "invalid value";
|
|
714 }
|
|
715
|
|
716 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
717 return "value must be less than 68 years";
|
|
718 }
|
|
719
|
|
720 return NGX_CONF_OK;
|
|
721 }
|
10
|
722
|
|
723
|
48
|
724 static char *
|
|
725 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
10
|
726 {
|
|
727 ngx_str_t *p3p = data;
|
|
728
|
52
|
729 if (ngx_strcmp(p3p->data, "none") == 0) {
|
28
|
730 p3p->len = 0;
|
|
731 p3p->data = (u_char *) "";
|
10
|
732 }
|
|
733
|
|
734 return NGX_CONF_OK;
|
|
735 }
|
88
|
736
|
|
737
|
|
738 static char *
|
|
739 ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
740 {
|
|
741 ngx_http_userid_conf_t *ucf = conf;
|
|
742
|
|
743 ngx_str_t *value;
|
|
744
|
|
745 if (ucf->mark != (u_char) '\xFF') {
|
|
746 return "is duplicate";
|
|
747 }
|
|
748
|
|
749 value = cf->args->elts;
|
|
750
|
|
751 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
752 ucf->mark = '\0';
|
|
753 return NGX_CONF_OK;
|
|
754 }
|
|
755
|
|
756 if (value[1].len != 1
|
|
757 || !((value[1].data[0] >= '0' && value[1].data[0] <= '9')
|
|
758 || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z')
|
|
759 || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z')
|
|
760 || value[1].data[0] == '='))
|
|
761 {
|
|
762 return "value must be \"off\" or a single letter, digit or \"=\"";
|
|
763 }
|
|
764
|
|
765 ucf->mark = value[1].data[0];
|
|
766
|
|
767 return NGX_CONF_OK;
|
|
768 }
|