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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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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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0
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31 time_t expires;
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88
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32
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33 u_char mark;
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0
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34 } ngx_http_userid_conf_t;
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35
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36
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37 typedef struct {
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10
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38 uint32_t uid_got[4];
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39 uint32_t uid_set[4];
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88
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40 ngx_str_t cookie;
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0
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41 } ngx_http_userid_ctx_t;
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42
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43
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88
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44 static void ngx_http_userid_get_uid(ngx_http_request_t *r,
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48
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45 ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf);
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0
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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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48
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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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48
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54 uintptr_t data);
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0
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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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48
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56 ngx_http_log_op_t *op);
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0
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57
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122
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58 static ngx_int_t ngx_http_userid_add_variables(ngx_conf_t *cf);
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59 static ngx_int_t ngx_http_userid_variable(ngx_http_request_t *r,
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60 ngx_http_variable_value_t *v, uintptr_t data);
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61
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0
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62 static ngx_int_t ngx_http_userid_init(ngx_cycle_t *cycle);
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63 static void *ngx_http_userid_create_conf(ngx_conf_t *cf);
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64 static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent,
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48
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65 void *child);
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66 static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data);
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67 static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data);
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68 static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd,
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69 void *conf);
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70 static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data);
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88
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71 static char *ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd,
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72 void *conf);
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73
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0
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74
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75
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76 static uint32_t sequencer_v1 = 1;
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77 static uint32_t sequencer_v2 = 0x03030302;
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78
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79
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80 static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT";
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81
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82
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83 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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84
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85
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86 static ngx_conf_enum_t ngx_http_userid_state[] = {
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87 { ngx_string("off"), NGX_HTTP_USERID_OFF },
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88 { ngx_string("log"), NGX_HTTP_USERID_LOG },
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89 { ngx_string("v1"), NGX_HTTP_USERID_V1 },
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90 { ngx_string("on"), NGX_HTTP_USERID_ON },
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91 { ngx_null_string, 0 }
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92 };
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93
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94
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10
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95 static ngx_conf_post_handler_pt ngx_http_userid_domain_p =
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58
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96 ngx_http_userid_domain;
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10
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97 static ngx_conf_post_handler_pt ngx_http_userid_path_p = ngx_http_userid_path;
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98 static ngx_conf_post_handler_pt ngx_http_userid_p3p_p = ngx_http_userid_p3p;
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0
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99
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100
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101 static ngx_command_t ngx_http_userid_commands[] = {
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102
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103 { ngx_string("userid"),
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104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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105 ngx_conf_set_enum_slot,
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106 NGX_HTTP_LOC_CONF_OFFSET,
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107 offsetof(ngx_http_userid_conf_t, enable),
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108 ngx_http_userid_state },
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109
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110 { ngx_string("userid_service"),
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88
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111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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0
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112 ngx_conf_set_num_slot,
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113 NGX_HTTP_LOC_CONF_OFFSET,
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114 offsetof(ngx_http_userid_conf_t, service),
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115 NULL },
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116
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117 { ngx_string("userid_name"),
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88
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118 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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119 ngx_conf_set_str_slot,
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120 NGX_HTTP_LOC_CONF_OFFSET,
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121 offsetof(ngx_http_userid_conf_t, name),
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122 NULL },
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123
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124 { ngx_string("userid_domain"),
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88
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125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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0
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126 ngx_conf_set_str_slot,
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127 NGX_HTTP_LOC_CONF_OFFSET,
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128 offsetof(ngx_http_userid_conf_t, domain),
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129 &ngx_http_userid_domain_p },
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0
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130
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131 { ngx_string("userid_path"),
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88
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132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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0
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133 ngx_conf_set_str_slot,
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134 NGX_HTTP_LOC_CONF_OFFSET,
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135 offsetof(ngx_http_userid_conf_t, path),
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10
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136 &ngx_http_userid_path_p },
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0
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137
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138 { ngx_string("userid_expires"),
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139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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140 ngx_http_userid_expires,
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141 NGX_HTTP_LOC_CONF_OFFSET,
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142 0,
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143 NULL },
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144
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10
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145 { ngx_string("userid_p3p"),
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146 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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147 ngx_conf_set_str_slot,
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148 NGX_HTTP_LOC_CONF_OFFSET,
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149 offsetof(ngx_http_userid_conf_t, p3p),
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150 &ngx_http_userid_p3p_p },
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151
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88
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152 { ngx_string("userid_mark"),
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153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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154 ngx_http_userid_mark,
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155 NGX_HTTP_LOC_CONF_OFFSET,
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156 0,
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157 NULL },
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158
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48
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159 ngx_null_command
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0
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160 };
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161
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162
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216
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163 static ngx_http_module_t ngx_http_userid_filter_module_ctx = {
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122
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164 ngx_http_userid_add_variables, /* preconfiguration */
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58
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165 NULL, /* postconfiguration */
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0
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166
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167 NULL, /* create main configuration */
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168 NULL, /* init main configuration */
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169
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170 NULL, /* create server configuration */
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171 NULL, /* merge server configuration */
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172
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173 ngx_http_userid_create_conf, /* create location configration */
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174 ngx_http_userid_merge_conf /* merge location configration */
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175 };
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176
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177
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178 ngx_module_t ngx_http_userid_filter_module = {
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58
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179 NGX_MODULE_V1,
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180 &ngx_http_userid_filter_module_ctx, /* module context */
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181 ngx_http_userid_commands, /* module directives */
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182 NGX_HTTP_MODULE, /* module type */
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90
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183 NULL, /* init master */
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184 ngx_http_userid_init, /* init module */
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90
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185 NULL, /* init process */
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186 NULL, /* init thread */
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187 NULL, /* exit thread */
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188 NULL, /* exit process */
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189 NULL, /* exit master */
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190 NGX_MODULE_V1_PADDING
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191 };
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192
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193
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194 static ngx_http_log_op_name_t ngx_http_userid_log_fmt_ops[] = {
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28
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195 { ngx_string("uid_got"), 0, NULL,
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196 ngx_http_userid_log_uid_got_getlen,
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197 ngx_http_userid_log_uid_got },
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198 { ngx_string("uid_set"), 0, NULL,
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199 ngx_http_userid_log_uid_set_getlen,
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200 ngx_http_userid_log_uid_set },
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201 { ngx_null_string, 0, NULL, NULL, NULL }
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0
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202 };
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203
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204
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122
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205 static ngx_str_t ngx_http_userid_got = ngx_string("uid_got");
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206 static ngx_str_t ngx_http_userid_set = ngx_string("uid_set");
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207
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208
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48
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209 static ngx_int_t
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210 ngx_http_userid_filter(ngx_http_request_t *r)
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0
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211 {
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212 ngx_int_t rc;
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213 ngx_http_userid_ctx_t *ctx;
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214 ngx_http_userid_conf_t *conf;
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215
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146
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216 if (r != r->main) {
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217 return ngx_http_next_header_filter(r);
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218 }
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219
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220 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
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221
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222 if (conf->enable == NGX_HTTP_USERID_OFF) {
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223 return ngx_http_next_header_filter(r);
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224 }
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225
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226
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227 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t));
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228 if (ctx == NULL) {
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229 return NGX_ERROR;
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230 }
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231
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232 ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module);
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233
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234 ngx_http_userid_get_uid(r, ctx, conf);
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0
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235
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236 if (conf->enable == NGX_HTTP_USERID_LOG) {
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237 return ngx_http_next_header_filter(r);
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0
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238 }
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239
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88
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240 if (ctx->uid_got[3] != 0) {
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241 if (conf->mark == '\0') {
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242 return ngx_http_next_header_filter(r);
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243
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244 } else {
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245 if (ctx->cookie.len > 23
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246 && ctx->cookie.data[22] == conf->mark
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247 && ctx->cookie.data[23] == '=')
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248 {
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249 return ngx_http_next_header_filter(r);
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250 }
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251 }
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0
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252 }
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253
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254 rc = ngx_http_userid_set_uid(r, ctx, conf);
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255
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256 if (rc != NGX_OK) {
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257 return rc;
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258 }
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259
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260 return ngx_http_next_header_filter(r);
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261 }
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262
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263
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88
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264 static void
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265 ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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266 ngx_http_userid_conf_t *conf)
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0
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267 {
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268 ngx_int_t n;
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269 ngx_str_t src, dst;
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270 ngx_table_elt_t **cookies;
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271
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272 n = ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &conf->name,
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273 &ctx->cookie);
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58
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274 if (n == NGX_DECLINED) {
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275 return;
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58
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276 }
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277
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88
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278 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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279 "uid cookie: \"%V\"", &ctx->cookie);
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280
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281 if (ctx->cookie.len < 22) {
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58
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282 cookies = r->headers_in.cookies.elts;
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283 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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284 "client sent too short userid cookie \"%V\"",
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285 &cookies[n]->value);
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286 return;
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58
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287 }
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0
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288
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88
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289 src = ctx->cookie;
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290
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58
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291 /*
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88
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292 * we have to limit the encoded string to 22 characters because
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293 * 1) cookie may be marked by "userid_mark",
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294 * 2) and there are already the millions cookies with a garbage
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295 * instead of the correct base64 trail "=="
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58
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296 */
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0
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297
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298 src.len = 22;
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0
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299
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300 dst.data = (u_char *) ctx->uid_got;
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0
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301
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58
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302 if (ngx_decode_base64(&dst, &src) == NGX_ERROR) {
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303 cookies = r->headers_in.cookies.elts;
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304 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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305 "client sent invalid userid cookie \"%V\"",
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306 &cookies[n]->value);
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88
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307 return;
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58
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308 }
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0
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309
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58
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310 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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311 "uid: %08XD%08XD%08XD%08XD",
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312 ctx->uid_got[0], ctx->uid_got[1],
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313 ctx->uid_got[2], ctx->uid_got[3]);
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0
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314 }
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315
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316
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48
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317 static ngx_int_t
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318 ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx,
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319 ngx_http_userid_conf_t *conf)
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0
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320 {
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321 u_char *cookie, *p;
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322 size_t len;
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323 socklen_t slen;
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28
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324 struct sockaddr_in sin;
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0
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325 ngx_str_t src, dst;
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10
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326 ngx_table_elt_t *set_cookie, *p3p;
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0
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327
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88
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328 /*
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329 * TODO: in the threaded mode the sequencers should be in TLS and their
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330 * ranges should be divided between threads
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331 */
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332
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333 if (ctx->uid_got[3] == 0) {
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0
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334
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88
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335 if (conf->enable == NGX_HTTP_USERID_V1) {
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336 if (conf->service == NGX_CONF_UNSET) {
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337 ctx->uid_set[0] = 0;
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338 } else {
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339 ctx->uid_set[0] = conf->service;
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340 }
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341 ctx->uid_set[1] = ngx_time();
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342 ctx->uid_set[2] = ngx_pid;
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343 ctx->uid_set[3] = sequencer_v1;
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344 sequencer_v1 += 0x100;
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345
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0
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346 } else {
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88
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347 if (conf->service == NGX_CONF_UNSET) {
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348 if (r->in_addr == 0) {
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349 slen = sizeof(struct sockaddr_in);
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350 if (getsockname(r->connection->fd,
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351 (struct sockaddr *) &sin, &slen) == -1)
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352 {
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353 ngx_log_error(NGX_LOG_CRIT, r->connection->log,
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354 ngx_socket_errno, "getsockname() failed");
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355 }
|
|
|
356
|
|
|
357 r->in_addr = sin.sin_addr.s_addr;
|
|
|
358 }
|
|
0
|
359
|
|
88
|
360 ctx->uid_set[0] = htonl(r->in_addr);
|
|
|
361
|
|
|
362 } else {
|
|
|
363 ctx->uid_set[0] = htonl(conf->service);
|
|
|
364 }
|
|
|
365
|
|
|
366 ctx->uid_set[1] = htonl(ngx_time());
|
|
|
367 ctx->uid_set[2] = htonl(ngx_pid);
|
|
|
368 ctx->uid_set[3] = htonl(sequencer_v2);
|
|
|
369 sequencer_v2 += 0x100;
|
|
|
370 if (sequencer_v2 < 0x03030302) {
|
|
|
371 sequencer_v2 = 0x03030302;
|
|
|
372 }
|
|
|
373 }
|
|
0
|
374
|
|
|
375 } else {
|
|
88
|
376 ctx->uid_set[0] = ctx->uid_got[0];
|
|
|
377 ctx->uid_set[1] = ctx->uid_got[1];
|
|
|
378 ctx->uid_set[2] = ctx->uid_got[2];
|
|
|
379 ctx->uid_set[3] = ctx->uid_got[3];
|
|
0
|
380 }
|
|
|
381
|
|
10
|
382 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
|
|
0
|
383
|
|
|
384 if (conf->expires) {
|
|
|
385 len += sizeof(expires) - 1 + 2;
|
|
|
386 }
|
|
|
387
|
|
28
|
388 if (conf->domain.len) {
|
|
10
|
389 len += conf->domain.len;
|
|
0
|
390 }
|
|
|
391
|
|
48
|
392 cookie = ngx_palloc(r->pool, len);
|
|
|
393 if (cookie == NULL) {
|
|
0
|
394 return NGX_ERROR;
|
|
|
395 }
|
|
|
396
|
|
122
|
397 p = ngx_copy(cookie, conf->name.data, conf->name.len);
|
|
0
|
398 *p++ = '=';
|
|
|
399
|
|
88
|
400 if (ctx->uid_got[3] == 0) {
|
|
|
401 src.len = 16;
|
|
|
402 src.data = (u_char *) ctx->uid_set;
|
|
|
403 dst.data = p;
|
|
|
404
|
|
|
405 ngx_encode_base64(&dst, &src);
|
|
|
406
|
|
|
407 p += dst.len;
|
|
0
|
408
|
|
88
|
409 if (conf->mark) {
|
|
|
410 *(p - 2) = conf->mark;
|
|
|
411 }
|
|
0
|
412
|
|
88
|
413 } else {
|
|
|
414 p = ngx_cpymem(p, ctx->cookie.data, 22);
|
|
|
415 *p++ = conf->mark;
|
|
|
416 *p++ = '=';
|
|
|
417 }
|
|
0
|
418
|
|
|
419 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
|
|
|
420 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
|
|
|
421
|
|
|
422 } else if (conf->expires) {
|
|
|
423 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
|
|
4
|
424 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
|
|
0
|
425 }
|
|
|
426
|
|
122
|
427 p = ngx_copy(p, conf->domain.data, conf->domain.len);
|
|
0
|
428
|
|
122
|
429 p = ngx_copy(p, conf->path.data, conf->path.len);
|
|
0
|
430
|
|
48
|
431 set_cookie = ngx_list_push(&r->headers_out.headers);
|
|
|
432 if (set_cookie == NULL) {
|
|
0
|
433 return NGX_ERROR;
|
|
|
434 }
|
|
|
435
|
|
58
|
436 set_cookie->hash = 1;
|
|
0
|
437 set_cookie->key.len = sizeof("Set-Cookie") - 1;
|
|
|
438 set_cookie->key.data = (u_char *) "Set-Cookie";
|
|
|
439 set_cookie->value.len = p - cookie;
|
|
|
440 set_cookie->value.data = cookie;
|
|
|
441
|
|
10
|
442 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
443 "uid cookie: \"%V\"", &set_cookie->value);
|
|
|
444
|
|
28
|
445 if (conf->p3p.len == 0) {
|
|
10
|
446 return NGX_OK;
|
|
|
447 }
|
|
|
448
|
|
48
|
449 p3p = ngx_list_push(&r->headers_out.headers);
|
|
|
450 if (p3p == NULL) {
|
|
10
|
451 return NGX_ERROR;
|
|
|
452 }
|
|
|
453
|
|
58
|
454 p3p->hash = 1;
|
|
10
|
455 p3p->key.len = sizeof("P3P") - 1;
|
|
|
456 p3p->key.data = (u_char *) "P3P";
|
|
|
457 p3p->value = conf->p3p;
|
|
|
458
|
|
0
|
459 return NGX_OK;
|
|
|
460 }
|
|
|
461
|
|
|
462
|
|
48
|
463 static size_t
|
|
|
464 ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
465 {
|
|
|
466 ngx_http_userid_ctx_t *ctx;
|
|
|
467 ngx_http_userid_conf_t *conf;
|
|
|
468
|
|
|
469 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
470
|
|
|
471 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
28
|
472 return 1;
|
|
|
473 }
|
|
|
474
|
|
|
475 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
476
|
|
|
477 return conf->name.len + 1 + 32;
|
|
|
478 }
|
|
|
479
|
|
0
|
480
|
|
48
|
481 static u_char *
|
|
|
482 ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
|
|
|
483 ngx_http_log_op_t *op)
|
|
28
|
484 {
|
|
|
485 ngx_http_userid_ctx_t *ctx;
|
|
|
486 ngx_http_userid_conf_t *conf;
|
|
|
487
|
|
|
488 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
489
|
|
|
490 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
0
|
491 *buf = '-';
|
|
|
492 return buf + 1;
|
|
|
493 }
|
|
|
494
|
|
|
495 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
496
|
|
122
|
497 buf = ngx_copy(buf, conf->name.data, conf->name.len);
|
|
0
|
498
|
|
|
499 *buf++ = '=';
|
|
|
500
|
|
10
|
501 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
502 ctx->uid_got[0], ctx->uid_got[1],
|
|
|
503 ctx->uid_got[2], ctx->uid_got[3]);
|
|
0
|
504 }
|
|
|
505
|
|
|
506
|
|
48
|
507 static size_t
|
|
|
508 ngx_http_userid_log_uid_set_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
509 {
|
|
|
510 ngx_http_userid_ctx_t *ctx;
|
|
|
511 ngx_http_userid_conf_t *conf;
|
|
|
512
|
|
|
513 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
514
|
|
|
515 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
28
|
516 return 1;
|
|
|
517 }
|
|
|
518
|
|
|
519 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
520
|
|
|
521 return conf->name.len + 1 + 32;
|
|
|
522 }
|
|
|
523
|
|
0
|
524
|
|
48
|
525 static u_char *
|
|
|
526 ngx_http_userid_log_uid_set(ngx_http_request_t *r, u_char *buf,
|
|
|
527 ngx_http_log_op_t *op)
|
|
28
|
528 {
|
|
|
529 ngx_http_userid_ctx_t *ctx;
|
|
|
530 ngx_http_userid_conf_t *conf;
|
|
|
531
|
|
|
532 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
533
|
|
|
534 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
0
|
535 *buf = '-';
|
|
|
536 return buf + 1;
|
|
|
537 }
|
|
|
538
|
|
|
539 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
540
|
|
122
|
541 buf = ngx_copy(buf, conf->name.data, conf->name.len);
|
|
0
|
542
|
|
|
543 *buf++ = '=';
|
|
|
544
|
|
10
|
545 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
546 ctx->uid_set[0], ctx->uid_set[1],
|
|
|
547 ctx->uid_set[2], ctx->uid_set[3]);
|
|
0
|
548 }
|
|
|
549
|
|
|
550
|
|
48
|
551 static ngx_int_t
|
|
122
|
552 ngx_http_userid_add_variables(ngx_conf_t *cf)
|
|
0
|
553 {
|
|
122
|
554 ngx_http_variable_t *var;
|
|
28
|
555 ngx_http_log_op_name_t *op;
|
|
|
556
|
|
132
|
557 var = ngx_http_add_variable(cf, &ngx_http_userid_got, NGX_HTTP_VAR_NOHASH);
|
|
122
|
558 if (var == NULL) {
|
|
|
559 return NGX_ERROR;
|
|
|
560 }
|
|
|
561
|
|
186
|
562 var->get_handler = ngx_http_userid_variable;
|
|
122
|
563 var->data = offsetof(ngx_http_userid_ctx_t, uid_got);
|
|
|
564
|
|
132
|
565 var = ngx_http_add_variable(cf, &ngx_http_userid_set, NGX_HTTP_VAR_NOHASH);
|
|
122
|
566 if (var == NULL) {
|
|
|
567 return NGX_ERROR;
|
|
|
568 }
|
|
|
569
|
|
186
|
570 var->get_handler = ngx_http_userid_variable;
|
|
122
|
571 var->data = offsetof(ngx_http_userid_ctx_t, uid_set);
|
|
|
572
|
|
|
573
|
|
28
|
574 for (op = ngx_http_userid_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
575 op->run = NULL;
|
|
|
576
|
|
|
577 for (op = ngx_http_log_fmt_ops; op->run; op++) {
|
|
|
578 if (op->name.len == 0) {
|
|
|
579 op = (ngx_http_log_op_name_t *) op->run;
|
|
|
580 }
|
|
|
581 }
|
|
|
582
|
|
|
583 op->run = (ngx_http_log_op_run_pt) ngx_http_userid_log_fmt_ops;
|
|
0
|
584
|
|
|
585 return NGX_OK;
|
|
|
586 }
|
|
|
587
|
|
|
588
|
|
48
|
589 static ngx_int_t
|
|
122
|
590 ngx_http_userid_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
591 uintptr_t data)
|
|
|
592 {
|
|
|
593 uint32_t *uid;
|
|
|
594 ngx_http_userid_ctx_t *ctx;
|
|
|
595 ngx_http_userid_conf_t *conf;
|
|
|
596
|
|
|
597 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
598
|
|
|
599 uid = (uint32_t *) ((char *) ctx + data);
|
|
|
600
|
|
|
601 if (ctx == NULL || uid[3] == 0) {
|
|
|
602 v->not_found = 1;
|
|
|
603 return NGX_OK;
|
|
|
604 }
|
|
|
605
|
|
|
606 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
607
|
|
|
608 v->len = conf->name.len + sizeof("=00001111222233334444555566667777") - 1;
|
|
|
609 v->data = ngx_palloc(r->pool, v->len);
|
|
|
610 if (v->data == NULL) {
|
|
|
611 return NGX_ERROR;
|
|
|
612 }
|
|
|
613
|
|
206
|
614 v->valid = 1;
|
|
|
615 v->no_cachable = 0;
|
|
|
616 v->not_found = 0;
|
|
|
617
|
|
122
|
618 ngx_sprintf(v->data, "%V=%08XD%08XD%08XD%08XD",
|
|
|
619 &conf->name, uid[0], uid[1], uid[2], uid[3]);
|
|
|
620
|
|
|
621 return NGX_OK;
|
|
|
622 }
|
|
|
623
|
|
|
624
|
|
|
625 static ngx_int_t
|
|
48
|
626 ngx_http_userid_init(ngx_cycle_t *cycle)
|
|
0
|
627 {
|
|
28
|
628 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
629 ngx_http_top_header_filter = ngx_http_userid_filter;
|
|
0
|
630
|
|
|
631 return NGX_OK;
|
|
|
632 }
|
|
|
633
|
|
|
634
|
|
48
|
635 static void *
|
|
|
636 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
|
126
|
637 {
|
|
0
|
638 ngx_http_userid_conf_t *conf;
|
|
|
639
|
|
48
|
640 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
|
641 if (conf == NULL) {
|
|
0
|
642 return NGX_CONF_ERROR;
|
|
|
643 }
|
|
|
644
|
|
28
|
645 /*
|
|
|
646 * set by ngx_pcalloc():
|
|
|
647 *
|
|
|
648 * conf->name.len = 0;
|
|
|
649 * conf->name.date = NULL;
|
|
|
650 * conf->domain.len = 0;
|
|
|
651 * conf->domain.date = NULL;
|
|
|
652 * conf->path.len = 0;
|
|
|
653 * conf->path.date = NULL;
|
|
|
654 * conf->p3p.len = 0;
|
|
|
655 * conf->p3p.date = NULL;
|
|
|
656 */
|
|
0
|
657
|
|
58
|
658 conf->enable = NGX_CONF_UNSET_UINT;
|
|
0
|
659 conf->service = NGX_CONF_UNSET;
|
|
|
660 conf->expires = NGX_CONF_UNSET;
|
|
88
|
661 conf->mark = (u_char) '\xFF';
|
|
0
|
662
|
|
|
663 return conf;
|
|
126
|
664 }
|
|
0
|
665
|
|
|
666
|
|
48
|
667 static char *
|
|
|
668 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
0
|
669 {
|
|
|
670 ngx_http_userid_conf_t *prev = parent;
|
|
|
671 ngx_http_userid_conf_t *conf = child;
|
|
|
672
|
|
212
|
673 ngx_conf_merge_uint_value(conf->enable, prev->enable,
|
|
|
674 NGX_HTTP_USERID_OFF);
|
|
0
|
675
|
|
|
676 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
|
28
|
677 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
|
10
|
678 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
|
28
|
679 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
|
0
|
680
|
|
|
681 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
|
682 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
|
683
|
|
88
|
684 if (conf->mark == (u_char) '\xFF') {
|
|
|
685 if (prev->mark == (u_char) '\xFF') {
|
|
|
686 conf->mark = '\0';
|
|
|
687 } else {
|
|
|
688 conf->mark = prev->mark;
|
|
|
689 }
|
|
|
690 }
|
|
|
691
|
|
0
|
692 return NGX_CONF_OK;
|
|
|
693 }
|
|
|
694
|
|
|
695
|
|
48
|
696 static char *
|
|
|
697 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
|
0
|
698 {
|
|
|
699 ngx_str_t *domain = data;
|
|
|
700
|
|
10
|
701 u_char *p, *new;
|
|
|
702
|
|
52
|
703 if (ngx_strcmp(domain->data, "none") == 0) {
|
|
28
|
704 domain->len = 0;
|
|
|
705 domain->data = (u_char *) "";
|
|
10
|
706
|
|
|
707 return NGX_CONF_OK;
|
|
0
|
708 }
|
|
|
709
|
|
48
|
710 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
|
711 if (new == NULL) {
|
|
10
|
712 return NGX_CONF_ERROR;
|
|
|
713 }
|
|
|
714
|
|
|
715 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
|
50
|
716 ngx_memcpy(p, domain->data, domain->len);
|
|
10
|
717
|
|
|
718 domain->len += sizeof("; domain=") - 1;
|
|
|
719 domain->data = new;
|
|
|
720
|
|
|
721 return NGX_CONF_OK;
|
|
|
722 }
|
|
|
723
|
|
|
724
|
|
48
|
725 static char *
|
|
|
726 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
727 {
|
|
|
728 ngx_str_t *path = data;
|
|
|
729
|
|
|
730 u_char *p, *new;
|
|
|
731
|
|
48
|
732 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
|
733 if (new == NULL) {
|
|
10
|
734 return NGX_CONF_ERROR;
|
|
|
735 }
|
|
|
736
|
|
|
737 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
|
50
|
738 ngx_memcpy(p, path->data, path->len);
|
|
10
|
739
|
|
|
740 path->len += sizeof("; path=") - 1;
|
|
|
741 path->data = new;
|
|
|
742
|
|
0
|
743 return NGX_CONF_OK;
|
|
|
744 }
|
|
|
745
|
|
|
746
|
|
48
|
747 static char *
|
|
|
748 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
749 {
|
|
|
750 ngx_http_userid_conf_t *ucf = conf;
|
|
|
751
|
|
88
|
752 ngx_str_t *value;
|
|
0
|
753
|
|
|
754 if (ucf->expires != NGX_CONF_UNSET) {
|
|
|
755 return "is duplicate";
|
|
|
756 }
|
|
|
757
|
|
|
758 value = cf->args->elts;
|
|
|
759
|
|
|
760 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
|
761 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
|
762 return NGX_CONF_OK;
|
|
|
763 }
|
|
|
764
|
|
|
765 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
766 ucf->expires = 0;
|
|
|
767 return NGX_CONF_OK;
|
|
|
768 }
|
|
|
769
|
|
|
770 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
|
771 if (ucf->expires == NGX_ERROR) {
|
|
|
772 return "invalid value";
|
|
|
773 }
|
|
|
774
|
|
|
775 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
|
776 return "value must be less than 68 years";
|
|
|
777 }
|
|
|
778
|
|
|
779 return NGX_CONF_OK;
|
|
|
780 }
|
|
10
|
781
|
|
|
782
|
|
48
|
783 static char *
|
|
|
784 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
785 {
|
|
|
786 ngx_str_t *p3p = data;
|
|
|
787
|
|
52
|
788 if (ngx_strcmp(p3p->data, "none") == 0) {
|
|
28
|
789 p3p->len = 0;
|
|
|
790 p3p->data = (u_char *) "";
|
|
10
|
791 }
|
|
|
792
|
|
|
793 return NGX_CONF_OK;
|
|
|
794 }
|
|
88
|
795
|
|
|
796
|
|
|
797 static char *
|
|
|
798 ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
799 {
|
|
|
800 ngx_http_userid_conf_t *ucf = conf;
|
|
|
801
|
|
|
802 ngx_str_t *value;
|
|
|
803
|
|
|
804 if (ucf->mark != (u_char) '\xFF') {
|
|
|
805 return "is duplicate";
|
|
|
806 }
|
|
|
807
|
|
|
808 value = cf->args->elts;
|
|
|
809
|
|
|
810 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
811 ucf->mark = '\0';
|
|
|
812 return NGX_CONF_OK;
|
|
|
813 }
|
|
|
814
|
|
|
815 if (value[1].len != 1
|
|
|
816 || !((value[1].data[0] >= '0' && value[1].data[0] <= '9')
|
|
|
817 || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z')
|
|
|
818 || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z')
|
|
|
819 || value[1].data[0] == '='))
|
|
|
820 {
|
|
|
821 return "value must be \"off\" or a single letter, digit or \"=\"";
|
|
|
822 }
|
|
|
823
|
|
|
824 ucf->mark = value[1].data[0];
|
|
|
825
|
|
|
826 return NGX_CONF_OK;
|
|
|
827 }
|
