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