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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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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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22 ngx_flag_t enable;
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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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29 time_t expires;
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10
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30 ngx_str_t p3p;
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0
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31 } ngx_http_userid_conf_t;
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32
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33
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34 typedef struct {
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10
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35 uint32_t uid_got[4];
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36 uint32_t uid_set[4];
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0
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37 } ngx_http_userid_ctx_t;
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38
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39
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40 static ngx_int_t ngx_http_userid_get_uid(ngx_http_request_t *r,
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48
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41 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
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0
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42 static ngx_int_t ngx_http_userid_set_uid(ngx_http_request_t *r,
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48
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43 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
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0
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44
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28
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45 static size_t ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r,
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48
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46 uintptr_t data);
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0
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47 static u_char *ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
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48
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48 ngx_http_log_op_t *op);
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28
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49 static size_t ngx_http_userid_log_uid_set_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_set(ngx_http_request_t *r, u_char *buf,
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48
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52 ngx_http_log_op_t *op);
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0
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53
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28
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54 static ngx_int_t ngx_http_userid_add_log_formats(ngx_conf_t *cf);
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0
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55 static ngx_int_t ngx_http_userid_init(ngx_cycle_t *cycle);
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56 static void *ngx_http_userid_create_conf(ngx_conf_t *cf);
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57 static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent,
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48
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58 void *child);
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59 static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data);
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60 static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data);
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61 static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd,
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62 void *conf);
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63 static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data);
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0
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64
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65
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66 static uint32_t sequencer_v1 = 1;
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67 static uint32_t sequencer_v2 = 0x03030302;
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68
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69
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70 static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT";
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71
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72
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73 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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74
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75
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76 static ngx_conf_enum_t ngx_http_userid_state[] = {
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77 { ngx_string("off"), NGX_HTTP_USERID_OFF },
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78 { ngx_string("log"), NGX_HTTP_USERID_LOG },
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79 { ngx_string("v1"), NGX_HTTP_USERID_V1 },
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80 { ngx_string("on"), NGX_HTTP_USERID_ON },
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81 { ngx_null_string, 0 }
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82 };
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83
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84
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10
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85 static ngx_conf_post_handler_pt ngx_http_userid_domain_p =
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86 ngx_http_userid_domain;
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87
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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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0
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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_FLAG,
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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_FLAG,
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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_FLAG,
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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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10
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120 &ngx_http_userid_domain_p },
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0
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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_FLAG,
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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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0
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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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10
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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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48
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143 ngx_null_command
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0
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144 };
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145
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146
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147 ngx_http_module_t ngx_http_userid_filter_module_ctx = {
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28
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148 ngx_http_userid_add_log_formats, /* pre conf */
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0
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149
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150 NULL, /* create main configuration */
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151 NULL, /* init main configuration */
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152
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153 NULL, /* create server configuration */
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154 NULL, /* merge server configuration */
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155
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156 ngx_http_userid_create_conf, /* create location configration */
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157 ngx_http_userid_merge_conf /* merge location configration */
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158 };
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159
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160
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161 ngx_module_t ngx_http_userid_filter_module = {
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162 NGX_MODULE,
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163 &ngx_http_userid_filter_module_ctx, /* module context */
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164 ngx_http_userid_commands, /* module directives */
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165 NGX_HTTP_MODULE, /* module type */
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166 ngx_http_userid_init, /* init module */
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167 NULL /* init process */
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168 };
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169
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170
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171 static ngx_http_log_op_name_t ngx_http_userid_log_fmt_ops[] = {
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28
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172 { ngx_string("uid_got"), 0, NULL,
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173 ngx_http_userid_log_uid_got_getlen,
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174 ngx_http_userid_log_uid_got },
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175 { ngx_string("uid_set"), 0, NULL,
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176 ngx_http_userid_log_uid_set_getlen,
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177 ngx_http_userid_log_uid_set },
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178 { ngx_null_string, 0, NULL, NULL, NULL }
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0
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179 };
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180
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181
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48
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182 static ngx_int_t
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183 ngx_http_userid_filter(ngx_http_request_t *r)
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0
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184 {
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185 ngx_int_t rc;
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186 ngx_http_userid_ctx_t *ctx;
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187 ngx_http_userid_conf_t *conf;
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188
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189 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
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190
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191 if (conf->enable == NGX_HTTP_USERID_OFF) {
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192 return ngx_http_next_header_filter(r);
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193 }
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194
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48
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195
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196 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t));
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197 if (ctx == NULL) {
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198 return NGX_ERROR;
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199 }
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200
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201 ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module);
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202
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0
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203
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204 rc = ngx_http_userid_get_uid(r, ctx, conf);
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205
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206 if (rc != NGX_OK) {
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207 return rc;
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208 }
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209
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210 if (conf->enable == NGX_HTTP_USERID_LOG || ctx->uid_got[3] != 0) {
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211 return ngx_http_next_header_filter(r);
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212 }
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213
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214 rc = ngx_http_userid_set_uid(r, ctx, conf);
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215
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216 if (rc != NGX_OK) {
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217 return rc;
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218 }
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219
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220 return ngx_http_next_header_filter(r);
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221 }
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222
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223
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48
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224 static ngx_int_t
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225 ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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226 ngx_http_userid_conf_t *conf)
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0
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227 {
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228 u_char *start, *last, *end;
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229 ngx_uint_t i;
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230 ngx_str_t src, dst;
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231 ngx_table_elt_t **cookies;
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232
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233 cookies = r->headers_in.cookies.elts;
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234
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235 for (i = 0; i < r->headers_in.cookies.nelts; i++) {
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236 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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237 "cookie: \"%V\"", &cookies[i]->value);
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0
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238
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10
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239 if (conf->name.len >= cookies[i]->value.len) {
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240 continue;
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241 }
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242
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243 start = cookies[i]->value.data;
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0
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244 end = cookies[i]->value.data + cookies[i]->value.len;
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245
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10
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246 while (start < end) {
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0
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247
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10
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248 if (ngx_strncmp(start, conf->name.data, conf->name.len) != 0) {
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249
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0
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250 while (start < end && *start++ != ';') { /* void */ }
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10
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251 while (start < end && *start == ' ') { start++; }
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0
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252
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253 continue;
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254 }
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255
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10
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256 start += conf->name.len;
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0
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257
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10
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258 while (start < end && *start == ' ') { start++; }
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259
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260 if (start == end || *start++ != '=') {
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261 /* the invalid "Cookie" header */
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0
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262 break;
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263 }
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264
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10
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265 while (start < end && *start == ' ') { start++; }
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0
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266
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267 last = start;
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268
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269 while (last < end && *last++ != ';') { /* void */ }
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0
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270
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271 if (last - start < 22) {
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272 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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273 "client sent too short userid cookie \"%V\"",
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274 &cookies[i]->value);
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0
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275 break;
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276 }
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277
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278 /*
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279 * we have to limit encoded string to 22 characters
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280 * because there are already the millions cookies with a garbage
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281 * instead of the correct base64 trail "=="
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282 */
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283
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284 src.len = 22;
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285 src.data = start;
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286 dst.data = (u_char *) ctx->uid_got;
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287
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2
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288 if (ngx_decode_base64(&dst, &src) == NGX_ERROR) {
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0
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289 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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10
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290 "client sent invalid userid cookie \"%V\"",
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291 &cookies[i]->value);
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0
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292 break;
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293 }
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294
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295 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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10
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296 "uid: %08XD%08XD%08XD%08XD",
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0
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297 ctx->uid_got[0], ctx->uid_got[1],
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298 ctx->uid_got[2], ctx->uid_got[3]);
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299
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300 return NGX_OK;
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301 }
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302 }
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303
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304 return NGX_OK;
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305 }
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306
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307
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48
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308 static ngx_int_t
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309 ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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310 ngx_http_userid_conf_t *conf)
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0
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311 {
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312 u_char *cookie, *p;
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313 size_t len;
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314 socklen_t slen;
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28
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315 struct sockaddr_in sin;
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0
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316 ngx_str_t src, dst;
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10
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317 ngx_table_elt_t *set_cookie, *p3p;
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0
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318
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319 /* TODO: mutex for sequencers */
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320
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321 if (conf->enable == NGX_HTTP_USERID_V1) {
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322 if (conf->service == NGX_CONF_UNSET) {
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323 ctx->uid_set[0] = 0;
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324 } else {
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325 ctx->uid_set[0] = htonl(conf->service);
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326 }
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327
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328 ctx->uid_set[1] = ngx_time();
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329 ctx->uid_set[2] = ngx_pid;
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330 ctx->uid_set[3] = sequencer_v1;
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331 sequencer_v1 += 0x100;
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332
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333 } else {
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334 if (conf->service == NGX_CONF_UNSET) {
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335 if (r->in_addr == 0) {
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336 slen = sizeof(struct sockaddr_in);
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337 if (getsockname(r->connection->fd,
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28
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338 (struct sockaddr *) &sin, &slen) == -1)
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0
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339 {
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340 ngx_log_error(NGX_LOG_CRIT, r->connection->log,
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28
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341 ngx_socket_errno, "getsockname() failed");
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0
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342 }
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343
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28
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344 r->in_addr = sin.sin_addr.s_addr;
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0
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345 }
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346
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347 ctx->uid_set[0] = htonl(r->in_addr);
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348
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349 } else {
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350 ctx->uid_set[0] = htonl(conf->service);
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351 }
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352
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353 ctx->uid_set[1] = htonl(ngx_time());
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354 ctx->uid_set[2] = htonl(ngx_pid);
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355 ctx->uid_set[3] = htonl(sequencer_v2);
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356 sequencer_v2 += 0x100;
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357 if (sequencer_v2 < 0x03030302) {
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358 sequencer_v2 = 0x03030302;
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359 }
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360 }
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361
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10
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362 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
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0
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363
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364 if (conf->expires) {
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365 len += sizeof(expires) - 1 + 2;
|
|
|
366 }
|
|
|
367
|
|
28
|
368 if (conf->domain.len) {
|
|
10
|
369 len += conf->domain.len;
|
|
0
|
370 }
|
|
|
371
|
|
48
|
372 cookie = ngx_palloc(r->pool, len);
|
|
|
373 if (cookie == NULL) {
|
|
0
|
374 return NGX_ERROR;
|
|
|
375 }
|
|
|
376
|
|
|
377 p = ngx_cpymem(cookie, conf->name.data, conf->name.len);
|
|
|
378 *p++ = '=';
|
|
|
379
|
|
|
380 src.len = 16;
|
|
|
381 src.data = (u_char *) ctx->uid_set;
|
|
|
382 dst.data = p;
|
|
|
383
|
|
2
|
384 ngx_encode_base64(&dst, &src);
|
|
0
|
385
|
|
|
386 p += dst.len;
|
|
|
387
|
|
|
388 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
|
|
|
389 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
|
|
|
390
|
|
|
391 } else if (conf->expires) {
|
|
|
392 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
|
|
4
|
393 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
|
|
0
|
394 }
|
|
|
395
|
|
28
|
396 if (conf->domain.len) {
|
|
0
|
397 p = ngx_cpymem(p, conf->domain.data, conf->domain.len);
|
|
|
398 }
|
|
|
399
|
|
10
|
400 p = ngx_cpymem(p, conf->path.data, conf->path.len);
|
|
0
|
401
|
|
48
|
402 set_cookie = ngx_list_push(&r->headers_out.headers);
|
|
|
403 if (set_cookie == NULL) {
|
|
0
|
404 return NGX_ERROR;
|
|
|
405 }
|
|
|
406
|
|
|
407 set_cookie->key.len = sizeof("Set-Cookie") - 1;
|
|
|
408 set_cookie->key.data = (u_char *) "Set-Cookie";
|
|
|
409 set_cookie->value.len = p - cookie;
|
|
|
410 set_cookie->value.data = cookie;
|
|
|
411
|
|
10
|
412 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
413 "uid cookie: \"%V\"", &set_cookie->value);
|
|
|
414
|
|
28
|
415 if (conf->p3p.len == 0) {
|
|
10
|
416 return NGX_OK;
|
|
|
417 }
|
|
|
418
|
|
48
|
419 p3p = ngx_list_push(&r->headers_out.headers);
|
|
|
420 if (p3p == NULL) {
|
|
10
|
421 return NGX_ERROR;
|
|
|
422 }
|
|
|
423
|
|
|
424 p3p->key.len = sizeof("P3P") - 1;
|
|
|
425 p3p->key.data = (u_char *) "P3P";
|
|
|
426 p3p->value = conf->p3p;
|
|
|
427
|
|
0
|
428 return NGX_OK;
|
|
|
429 }
|
|
|
430
|
|
|
431
|
|
48
|
432 static size_t
|
|
|
433 ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
434 {
|
|
|
435 ngx_http_userid_ctx_t *ctx;
|
|
|
436 ngx_http_userid_conf_t *conf;
|
|
|
437
|
|
|
438 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
439
|
|
|
440 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
28
|
441 return 1;
|
|
|
442 }
|
|
|
443
|
|
|
444 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
445
|
|
|
446 return conf->name.len + 1 + 32;
|
|
|
447 }
|
|
|
448
|
|
0
|
449
|
|
48
|
450 static u_char *
|
|
|
451 ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
|
|
|
452 ngx_http_log_op_t *op)
|
|
28
|
453 {
|
|
|
454 ngx_http_userid_ctx_t *ctx;
|
|
|
455 ngx_http_userid_conf_t *conf;
|
|
|
456
|
|
|
457 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
458
|
|
|
459 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
0
|
460 *buf = '-';
|
|
|
461 return buf + 1;
|
|
|
462 }
|
|
|
463
|
|
|
464 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
465
|
|
|
466 buf = ngx_cpymem(buf, conf->name.data, conf->name.len);
|
|
|
467
|
|
|
468 *buf++ = '=';
|
|
|
469
|
|
10
|
470 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
471 ctx->uid_got[0], ctx->uid_got[1],
|
|
|
472 ctx->uid_got[2], ctx->uid_got[3]);
|
|
0
|
473 }
|
|
|
474
|
|
|
475
|
|
48
|
476 static size_t
|
|
|
477 ngx_http_userid_log_uid_set_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
478 {
|
|
|
479 ngx_http_userid_ctx_t *ctx;
|
|
|
480 ngx_http_userid_conf_t *conf;
|
|
|
481
|
|
|
482 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
483
|
|
|
484 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
28
|
485 return 1;
|
|
|
486 }
|
|
|
487
|
|
|
488 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
489
|
|
|
490 return conf->name.len + 1 + 32;
|
|
|
491 }
|
|
|
492
|
|
0
|
493
|
|
48
|
494 static u_char *
|
|
|
495 ngx_http_userid_log_uid_set(ngx_http_request_t *r, u_char *buf,
|
|
|
496 ngx_http_log_op_t *op)
|
|
28
|
497 {
|
|
|
498 ngx_http_userid_ctx_t *ctx;
|
|
|
499 ngx_http_userid_conf_t *conf;
|
|
|
500
|
|
|
501 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
502
|
|
|
503 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
0
|
504 *buf = '-';
|
|
|
505 return buf + 1;
|
|
|
506 }
|
|
|
507
|
|
|
508 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
509
|
|
|
510 buf = ngx_cpymem(buf, conf->name.data, conf->name.len);
|
|
|
511
|
|
|
512 *buf++ = '=';
|
|
|
513
|
|
10
|
514 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
515 ctx->uid_set[0], ctx->uid_set[1],
|
|
|
516 ctx->uid_set[2], ctx->uid_set[3]);
|
|
0
|
517 }
|
|
|
518
|
|
|
519
|
|
48
|
520 static ngx_int_t
|
|
|
521 ngx_http_userid_add_log_formats(ngx_conf_t *cf)
|
|
0
|
522 {
|
|
28
|
523 ngx_http_log_op_name_t *op;
|
|
|
524
|
|
|
525 for (op = ngx_http_userid_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
526 op->run = NULL;
|
|
|
527
|
|
|
528 for (op = ngx_http_log_fmt_ops; op->run; op++) {
|
|
|
529 if (op->name.len == 0) {
|
|
|
530 op = (ngx_http_log_op_name_t *) op->run;
|
|
|
531 }
|
|
|
532 }
|
|
|
533
|
|
|
534 op->run = (ngx_http_log_op_run_pt) ngx_http_userid_log_fmt_ops;
|
|
0
|
535
|
|
|
536 return NGX_OK;
|
|
|
537 }
|
|
|
538
|
|
|
539
|
|
48
|
540 static ngx_int_t
|
|
|
541 ngx_http_userid_init(ngx_cycle_t *cycle)
|
|
0
|
542 {
|
|
28
|
543 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
544 ngx_http_top_header_filter = ngx_http_userid_filter;
|
|
0
|
545
|
|
|
546 return NGX_OK;
|
|
|
547 }
|
|
|
548
|
|
|
549
|
|
48
|
550 static void *
|
|
|
551 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
|
0
|
552 {
|
|
|
553 ngx_http_userid_conf_t *conf;
|
|
|
554
|
|
48
|
555 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
|
556 if (conf == NULL) {
|
|
0
|
557 return NGX_CONF_ERROR;
|
|
|
558 }
|
|
|
559
|
|
28
|
560 /*
|
|
|
561 * set by ngx_pcalloc():
|
|
|
562 *
|
|
|
563 * conf->name.len = 0;
|
|
|
564 * conf->name.date = NULL;
|
|
|
565 * conf->domain.len = 0;
|
|
|
566 * conf->domain.date = NULL;
|
|
|
567 * conf->path.len = 0;
|
|
|
568 * conf->path.date = NULL;
|
|
|
569 * conf->p3p.len = 0;
|
|
|
570 * conf->p3p.date = NULL;
|
|
|
571 */
|
|
0
|
572
|
|
|
573 conf->enable = NGX_CONF_UNSET;
|
|
|
574 conf->service = NGX_CONF_UNSET;
|
|
|
575 conf->expires = NGX_CONF_UNSET;
|
|
|
576
|
|
|
577 return conf;
|
|
|
578 }
|
|
|
579
|
|
|
580
|
|
48
|
581 static char *
|
|
|
582 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
0
|
583 {
|
|
|
584 ngx_http_userid_conf_t *prev = parent;
|
|
|
585 ngx_http_userid_conf_t *conf = child;
|
|
|
586
|
|
|
587 ngx_conf_merge_value(conf->enable, prev->enable, NGX_HTTP_USERID_OFF);
|
|
|
588
|
|
|
589 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
|
28
|
590 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
|
10
|
591 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
|
28
|
592 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
|
0
|
593
|
|
|
594 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
|
595 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
|
596
|
|
|
597 return NGX_CONF_OK;
|
|
|
598 }
|
|
|
599
|
|
|
600
|
|
48
|
601 static char *
|
|
|
602 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
|
0
|
603 {
|
|
|
604 ngx_str_t *domain = data;
|
|
|
605
|
|
10
|
606 u_char *p, *new;
|
|
|
607
|
|
0
|
608 if (domain->len == 4 && ngx_strcmp(domain->data, "none") == 0) {
|
|
28
|
609 domain->len = 0;
|
|
|
610 domain->data = (u_char *) "";
|
|
10
|
611
|
|
|
612 return NGX_CONF_OK;
|
|
0
|
613 }
|
|
|
614
|
|
48
|
615 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
|
616 if (new == NULL) {
|
|
10
|
617 return NGX_CONF_ERROR;
|
|
|
618 }
|
|
|
619
|
|
|
620 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
|
50
|
621 ngx_memcpy(p, domain->data, domain->len);
|
|
10
|
622
|
|
|
623 domain->len += sizeof("; domain=") - 1;
|
|
|
624 domain->data = new;
|
|
|
625
|
|
|
626 return NGX_CONF_OK;
|
|
|
627 }
|
|
|
628
|
|
|
629
|
|
48
|
630 static char *
|
|
|
631 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
632 {
|
|
|
633 ngx_str_t *path = data;
|
|
|
634
|
|
|
635 u_char *p, *new;
|
|
|
636
|
|
48
|
637 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
|
638 if (new == NULL) {
|
|
10
|
639 return NGX_CONF_ERROR;
|
|
|
640 }
|
|
|
641
|
|
|
642 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
|
50
|
643 ngx_memcpy(p, path->data, path->len);
|
|
10
|
644
|
|
|
645 path->len += sizeof("; path=") - 1;
|
|
|
646 path->data = new;
|
|
|
647
|
|
0
|
648 return NGX_CONF_OK;
|
|
|
649 }
|
|
|
650
|
|
|
651
|
|
48
|
652 static char *
|
|
|
653 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
654 {
|
|
|
655 ngx_http_userid_conf_t *ucf = conf;
|
|
|
656
|
|
|
657 ngx_str_t *value;
|
|
|
658
|
|
|
659 if (ucf->expires != NGX_CONF_UNSET) {
|
|
|
660 return "is duplicate";
|
|
|
661 }
|
|
|
662
|
|
|
663 value = cf->args->elts;
|
|
|
664
|
|
|
665 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
|
666 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
|
667 return NGX_CONF_OK;
|
|
|
668 }
|
|
|
669
|
|
|
670 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
671 ucf->expires = 0;
|
|
|
672 return NGX_CONF_OK;
|
|
|
673 }
|
|
|
674
|
|
|
675 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
|
676 if (ucf->expires == NGX_ERROR) {
|
|
|
677 return "invalid value";
|
|
|
678 }
|
|
|
679
|
|
|
680 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
|
681 return "value must be less than 68 years";
|
|
|
682 }
|
|
|
683
|
|
|
684 return NGX_CONF_OK;
|
|
|
685 }
|
|
10
|
686
|
|
|
687
|
|
48
|
688 static char *
|
|
|
689 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
690 {
|
|
|
691 ngx_str_t *p3p = data;
|
|
|
692
|
|
|
693 if (p3p->len == 4 && ngx_strcmp(p3p->data, "none") == 0) {
|
|
28
|
694 p3p->len = 0;
|
|
|
695 p3p->data = (u_char *) "";
|
|
10
|
696 }
|
|
|
697
|
|
|
698 return NGX_CONF_OK;
|
|
|
699 }
|
