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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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230
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62 static ngx_int_t ngx_http_userid_init(ngx_conf_t *cf);
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0
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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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230
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165 ngx_http_userid_init, /* 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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0
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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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230
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184 NULL, /* 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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48
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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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88
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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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58
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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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250
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351 (struct sockaddr *) &sin, &slen)
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352 == -1)
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88
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353 {
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250
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354 ngx_connection_error(r->connection, ngx_socket_errno,
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355 "getsockname() failed");
|
|
|
356 return NGX_ERROR;
|
|
88
|
357 }
|
|
|
358
|
|
|
359 r->in_addr = sin.sin_addr.s_addr;
|
|
|
360 }
|
|
0
|
361
|
|
88
|
362 ctx->uid_set[0] = htonl(r->in_addr);
|
|
|
363
|
|
|
364 } else {
|
|
|
365 ctx->uid_set[0] = htonl(conf->service);
|
|
|
366 }
|
|
|
367
|
|
|
368 ctx->uid_set[1] = htonl(ngx_time());
|
|
|
369 ctx->uid_set[2] = htonl(ngx_pid);
|
|
|
370 ctx->uid_set[3] = htonl(sequencer_v2);
|
|
|
371 sequencer_v2 += 0x100;
|
|
|
372 if (sequencer_v2 < 0x03030302) {
|
|
|
373 sequencer_v2 = 0x03030302;
|
|
|
374 }
|
|
|
375 }
|
|
0
|
376
|
|
|
377 } else {
|
|
88
|
378 ctx->uid_set[0] = ctx->uid_got[0];
|
|
|
379 ctx->uid_set[1] = ctx->uid_got[1];
|
|
|
380 ctx->uid_set[2] = ctx->uid_got[2];
|
|
|
381 ctx->uid_set[3] = ctx->uid_got[3];
|
|
0
|
382 }
|
|
|
383
|
|
10
|
384 len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len;
|
|
0
|
385
|
|
|
386 if (conf->expires) {
|
|
|
387 len += sizeof(expires) - 1 + 2;
|
|
|
388 }
|
|
|
389
|
|
28
|
390 if (conf->domain.len) {
|
|
10
|
391 len += conf->domain.len;
|
|
0
|
392 }
|
|
|
393
|
|
48
|
394 cookie = ngx_palloc(r->pool, len);
|
|
|
395 if (cookie == NULL) {
|
|
0
|
396 return NGX_ERROR;
|
|
|
397 }
|
|
|
398
|
|
122
|
399 p = ngx_copy(cookie, conf->name.data, conf->name.len);
|
|
0
|
400 *p++ = '=';
|
|
|
401
|
|
88
|
402 if (ctx->uid_got[3] == 0) {
|
|
|
403 src.len = 16;
|
|
|
404 src.data = (u_char *) ctx->uid_set;
|
|
|
405 dst.data = p;
|
|
|
406
|
|
|
407 ngx_encode_base64(&dst, &src);
|
|
|
408
|
|
|
409 p += dst.len;
|
|
0
|
410
|
|
88
|
411 if (conf->mark) {
|
|
|
412 *(p - 2) = conf->mark;
|
|
|
413 }
|
|
0
|
414
|
|
88
|
415 } else {
|
|
|
416 p = ngx_cpymem(p, ctx->cookie.data, 22);
|
|
|
417 *p++ = conf->mark;
|
|
|
418 *p++ = '=';
|
|
|
419 }
|
|
0
|
420
|
|
|
421 if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) {
|
|
|
422 p = ngx_cpymem(p, expires, sizeof(expires) - 1);
|
|
|
423
|
|
|
424 } else if (conf->expires) {
|
|
|
425 p = ngx_cpymem(p, expires, sizeof("; expires=") - 1);
|
|
4
|
426 p = ngx_http_cookie_time(p, ngx_time() + conf->expires);
|
|
0
|
427 }
|
|
|
428
|
|
122
|
429 p = ngx_copy(p, conf->domain.data, conf->domain.len);
|
|
0
|
430
|
|
122
|
431 p = ngx_copy(p, conf->path.data, conf->path.len);
|
|
0
|
432
|
|
48
|
433 set_cookie = ngx_list_push(&r->headers_out.headers);
|
|
|
434 if (set_cookie == NULL) {
|
|
0
|
435 return NGX_ERROR;
|
|
|
436 }
|
|
|
437
|
|
58
|
438 set_cookie->hash = 1;
|
|
0
|
439 set_cookie->key.len = sizeof("Set-Cookie") - 1;
|
|
|
440 set_cookie->key.data = (u_char *) "Set-Cookie";
|
|
|
441 set_cookie->value.len = p - cookie;
|
|
|
442 set_cookie->value.data = cookie;
|
|
|
443
|
|
10
|
444 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
445 "uid cookie: \"%V\"", &set_cookie->value);
|
|
|
446
|
|
28
|
447 if (conf->p3p.len == 0) {
|
|
10
|
448 return NGX_OK;
|
|
|
449 }
|
|
|
450
|
|
48
|
451 p3p = ngx_list_push(&r->headers_out.headers);
|
|
|
452 if (p3p == NULL) {
|
|
10
|
453 return NGX_ERROR;
|
|
|
454 }
|
|
|
455
|
|
58
|
456 p3p->hash = 1;
|
|
10
|
457 p3p->key.len = sizeof("P3P") - 1;
|
|
|
458 p3p->key.data = (u_char *) "P3P";
|
|
|
459 p3p->value = conf->p3p;
|
|
|
460
|
|
0
|
461 return NGX_OK;
|
|
|
462 }
|
|
|
463
|
|
|
464
|
|
48
|
465 static size_t
|
|
|
466 ngx_http_userid_log_uid_got_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
467 {
|
|
|
468 ngx_http_userid_ctx_t *ctx;
|
|
|
469 ngx_http_userid_conf_t *conf;
|
|
|
470
|
|
|
471 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
472
|
|
|
473 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
28
|
474 return 1;
|
|
|
475 }
|
|
|
476
|
|
|
477 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
478
|
|
|
479 return conf->name.len + 1 + 32;
|
|
|
480 }
|
|
|
481
|
|
0
|
482
|
|
48
|
483 static u_char *
|
|
|
484 ngx_http_userid_log_uid_got(ngx_http_request_t *r, u_char *buf,
|
|
|
485 ngx_http_log_op_t *op)
|
|
28
|
486 {
|
|
|
487 ngx_http_userid_ctx_t *ctx;
|
|
|
488 ngx_http_userid_conf_t *conf;
|
|
|
489
|
|
|
490 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
491
|
|
|
492 if (ctx == NULL || ctx->uid_got[3] == 0) {
|
|
0
|
493 *buf = '-';
|
|
|
494 return buf + 1;
|
|
|
495 }
|
|
|
496
|
|
|
497 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
498
|
|
122
|
499 buf = ngx_copy(buf, conf->name.data, conf->name.len);
|
|
0
|
500
|
|
|
501 *buf++ = '=';
|
|
|
502
|
|
10
|
503 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
504 ctx->uid_got[0], ctx->uid_got[1],
|
|
|
505 ctx->uid_got[2], ctx->uid_got[3]);
|
|
0
|
506 }
|
|
|
507
|
|
|
508
|
|
48
|
509 static size_t
|
|
|
510 ngx_http_userid_log_uid_set_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
0
|
511 {
|
|
|
512 ngx_http_userid_ctx_t *ctx;
|
|
|
513 ngx_http_userid_conf_t *conf;
|
|
|
514
|
|
|
515 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
516
|
|
|
517 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
28
|
518 return 1;
|
|
|
519 }
|
|
|
520
|
|
|
521 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
522
|
|
|
523 return conf->name.len + 1 + 32;
|
|
|
524 }
|
|
|
525
|
|
0
|
526
|
|
48
|
527 static u_char *
|
|
|
528 ngx_http_userid_log_uid_set(ngx_http_request_t *r, u_char *buf,
|
|
|
529 ngx_http_log_op_t *op)
|
|
28
|
530 {
|
|
|
531 ngx_http_userid_ctx_t *ctx;
|
|
|
532 ngx_http_userid_conf_t *conf;
|
|
|
533
|
|
|
534 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
535
|
|
|
536 if (ctx == NULL || ctx->uid_set[3] == 0) {
|
|
0
|
537 *buf = '-';
|
|
|
538 return buf + 1;
|
|
|
539 }
|
|
|
540
|
|
|
541 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
542
|
|
122
|
543 buf = ngx_copy(buf, conf->name.data, conf->name.len);
|
|
0
|
544
|
|
|
545 *buf++ = '=';
|
|
|
546
|
|
10
|
547 return ngx_sprintf(buf, "%08XD%08XD%08XD%08XD",
|
|
|
548 ctx->uid_set[0], ctx->uid_set[1],
|
|
|
549 ctx->uid_set[2], ctx->uid_set[3]);
|
|
0
|
550 }
|
|
|
551
|
|
|
552
|
|
48
|
553 static ngx_int_t
|
|
122
|
554 ngx_http_userid_add_variables(ngx_conf_t *cf)
|
|
0
|
555 {
|
|
122
|
556 ngx_http_variable_t *var;
|
|
28
|
557 ngx_http_log_op_name_t *op;
|
|
|
558
|
|
132
|
559 var = ngx_http_add_variable(cf, &ngx_http_userid_got, NGX_HTTP_VAR_NOHASH);
|
|
122
|
560 if (var == NULL) {
|
|
|
561 return NGX_ERROR;
|
|
|
562 }
|
|
|
563
|
|
186
|
564 var->get_handler = ngx_http_userid_variable;
|
|
122
|
565 var->data = offsetof(ngx_http_userid_ctx_t, uid_got);
|
|
|
566
|
|
132
|
567 var = ngx_http_add_variable(cf, &ngx_http_userid_set, NGX_HTTP_VAR_NOHASH);
|
|
122
|
568 if (var == NULL) {
|
|
|
569 return NGX_ERROR;
|
|
|
570 }
|
|
|
571
|
|
186
|
572 var->get_handler = ngx_http_userid_variable;
|
|
122
|
573 var->data = offsetof(ngx_http_userid_ctx_t, uid_set);
|
|
|
574
|
|
|
575
|
|
28
|
576 for (op = ngx_http_userid_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
577 op->run = NULL;
|
|
|
578
|
|
|
579 for (op = ngx_http_log_fmt_ops; op->run; op++) {
|
|
|
580 if (op->name.len == 0) {
|
|
|
581 op = (ngx_http_log_op_name_t *) op->run;
|
|
|
582 }
|
|
|
583 }
|
|
|
584
|
|
|
585 op->run = (ngx_http_log_op_run_pt) ngx_http_userid_log_fmt_ops;
|
|
0
|
586
|
|
|
587 return NGX_OK;
|
|
|
588 }
|
|
|
589
|
|
|
590
|
|
48
|
591 static ngx_int_t
|
|
122
|
592 ngx_http_userid_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
|
|
|
593 uintptr_t data)
|
|
|
594 {
|
|
|
595 uint32_t *uid;
|
|
|
596 ngx_http_userid_ctx_t *ctx;
|
|
|
597 ngx_http_userid_conf_t *conf;
|
|
|
598
|
|
|
599 ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module);
|
|
|
600
|
|
|
601 uid = (uint32_t *) ((char *) ctx + data);
|
|
|
602
|
|
|
603 if (ctx == NULL || uid[3] == 0) {
|
|
|
604 v->not_found = 1;
|
|
|
605 return NGX_OK;
|
|
|
606 }
|
|
|
607
|
|
|
608 conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module);
|
|
|
609
|
|
|
610 v->len = conf->name.len + sizeof("=00001111222233334444555566667777") - 1;
|
|
|
611 v->data = ngx_palloc(r->pool, v->len);
|
|
|
612 if (v->data == NULL) {
|
|
|
613 return NGX_ERROR;
|
|
|
614 }
|
|
|
615
|
|
206
|
616 v->valid = 1;
|
|
|
617 v->no_cachable = 0;
|
|
|
618 v->not_found = 0;
|
|
|
619
|
|
122
|
620 ngx_sprintf(v->data, "%V=%08XD%08XD%08XD%08XD",
|
|
|
621 &conf->name, uid[0], uid[1], uid[2], uid[3]);
|
|
|
622
|
|
|
623 return NGX_OK;
|
|
|
624 }
|
|
|
625
|
|
|
626
|
|
48
|
627 static void *
|
|
|
628 ngx_http_userid_create_conf(ngx_conf_t *cf)
|
|
126
|
629 {
|
|
0
|
630 ngx_http_userid_conf_t *conf;
|
|
|
631
|
|
48
|
632 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t));
|
|
|
633 if (conf == NULL) {
|
|
0
|
634 return NGX_CONF_ERROR;
|
|
|
635 }
|
|
|
636
|
|
28
|
637 /*
|
|
|
638 * set by ngx_pcalloc():
|
|
|
639 *
|
|
|
640 * conf->name.len = 0;
|
|
|
641 * conf->name.date = NULL;
|
|
|
642 * conf->domain.len = 0;
|
|
|
643 * conf->domain.date = NULL;
|
|
|
644 * conf->path.len = 0;
|
|
|
645 * conf->path.date = NULL;
|
|
|
646 * conf->p3p.len = 0;
|
|
|
647 * conf->p3p.date = NULL;
|
|
|
648 */
|
|
0
|
649
|
|
58
|
650 conf->enable = NGX_CONF_UNSET_UINT;
|
|
0
|
651 conf->service = NGX_CONF_UNSET;
|
|
|
652 conf->expires = NGX_CONF_UNSET;
|
|
88
|
653 conf->mark = (u_char) '\xFF';
|
|
0
|
654
|
|
|
655 return conf;
|
|
126
|
656 }
|
|
0
|
657
|
|
|
658
|
|
48
|
659 static char *
|
|
|
660 ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
0
|
661 {
|
|
|
662 ngx_http_userid_conf_t *prev = parent;
|
|
|
663 ngx_http_userid_conf_t *conf = child;
|
|
|
664
|
|
212
|
665 ngx_conf_merge_uint_value(conf->enable, prev->enable,
|
|
|
666 NGX_HTTP_USERID_OFF);
|
|
0
|
667
|
|
|
668 ngx_conf_merge_str_value(conf->name, prev->name, "uid");
|
|
28
|
669 ngx_conf_merge_str_value(conf->domain, prev->domain, "");
|
|
10
|
670 ngx_conf_merge_str_value(conf->path, prev->path, "; path=/");
|
|
28
|
671 ngx_conf_merge_str_value(conf->p3p, prev->p3p, "");
|
|
0
|
672
|
|
|
673 ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET);
|
|
|
674 ngx_conf_merge_sec_value(conf->expires, prev->expires, 0);
|
|
|
675
|
|
88
|
676 if (conf->mark == (u_char) '\xFF') {
|
|
|
677 if (prev->mark == (u_char) '\xFF') {
|
|
|
678 conf->mark = '\0';
|
|
|
679 } else {
|
|
|
680 conf->mark = prev->mark;
|
|
|
681 }
|
|
|
682 }
|
|
|
683
|
|
0
|
684 return NGX_CONF_OK;
|
|
|
685 }
|
|
|
686
|
|
|
687
|
|
230
|
688 static ngx_int_t
|
|
|
689 ngx_http_userid_init(ngx_conf_t *cf)
|
|
|
690 {
|
|
|
691 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
692 ngx_http_top_header_filter = ngx_http_userid_filter;
|
|
|
693
|
|
|
694 return NGX_OK;
|
|
|
695 }
|
|
|
696
|
|
|
697
|
|
48
|
698 static char *
|
|
|
699 ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data)
|
|
0
|
700 {
|
|
|
701 ngx_str_t *domain = data;
|
|
|
702
|
|
10
|
703 u_char *p, *new;
|
|
|
704
|
|
52
|
705 if (ngx_strcmp(domain->data, "none") == 0) {
|
|
28
|
706 domain->len = 0;
|
|
|
707 domain->data = (u_char *) "";
|
|
10
|
708
|
|
|
709 return NGX_CONF_OK;
|
|
0
|
710 }
|
|
|
711
|
|
48
|
712 new = ngx_palloc(cf->pool, sizeof("; domain=") - 1 + domain->len);
|
|
|
713 if (new == NULL) {
|
|
10
|
714 return NGX_CONF_ERROR;
|
|
|
715 }
|
|
|
716
|
|
|
717 p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1);
|
|
50
|
718 ngx_memcpy(p, domain->data, domain->len);
|
|
10
|
719
|
|
|
720 domain->len += sizeof("; domain=") - 1;
|
|
|
721 domain->data = new;
|
|
|
722
|
|
|
723 return NGX_CONF_OK;
|
|
|
724 }
|
|
|
725
|
|
|
726
|
|
48
|
727 static char *
|
|
|
728 ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
729 {
|
|
|
730 ngx_str_t *path = data;
|
|
|
731
|
|
|
732 u_char *p, *new;
|
|
|
733
|
|
48
|
734 new = ngx_palloc(cf->pool, sizeof("; path=") - 1 + path->len);
|
|
|
735 if (new == NULL) {
|
|
10
|
736 return NGX_CONF_ERROR;
|
|
|
737 }
|
|
|
738
|
|
|
739 p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1);
|
|
50
|
740 ngx_memcpy(p, path->data, path->len);
|
|
10
|
741
|
|
|
742 path->len += sizeof("; path=") - 1;
|
|
|
743 path->data = new;
|
|
|
744
|
|
0
|
745 return NGX_CONF_OK;
|
|
|
746 }
|
|
|
747
|
|
|
748
|
|
48
|
749 static char *
|
|
|
750 ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
751 {
|
|
|
752 ngx_http_userid_conf_t *ucf = conf;
|
|
|
753
|
|
88
|
754 ngx_str_t *value;
|
|
0
|
755
|
|
|
756 if (ucf->expires != NGX_CONF_UNSET) {
|
|
|
757 return "is duplicate";
|
|
|
758 }
|
|
|
759
|
|
|
760 value = cf->args->elts;
|
|
|
761
|
|
|
762 if (ngx_strcmp(value[1].data, "max") == 0) {
|
|
|
763 ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES;
|
|
|
764 return NGX_CONF_OK;
|
|
|
765 }
|
|
|
766
|
|
|
767 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
768 ucf->expires = 0;
|
|
|
769 return NGX_CONF_OK;
|
|
|
770 }
|
|
|
771
|
|
|
772 ucf->expires = ngx_parse_time(&value[1], 1);
|
|
|
773 if (ucf->expires == NGX_ERROR) {
|
|
|
774 return "invalid value";
|
|
|
775 }
|
|
|
776
|
|
|
777 if (ucf->expires == NGX_PARSE_LARGE_TIME) {
|
|
|
778 return "value must be less than 68 years";
|
|
|
779 }
|
|
|
780
|
|
|
781 return NGX_CONF_OK;
|
|
|
782 }
|
|
10
|
783
|
|
|
784
|
|
48
|
785 static char *
|
|
|
786 ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data)
|
|
10
|
787 {
|
|
|
788 ngx_str_t *p3p = data;
|
|
|
789
|
|
52
|
790 if (ngx_strcmp(p3p->data, "none") == 0) {
|
|
28
|
791 p3p->len = 0;
|
|
|
792 p3p->data = (u_char *) "";
|
|
10
|
793 }
|
|
|
794
|
|
|
795 return NGX_CONF_OK;
|
|
|
796 }
|
|
88
|
797
|
|
|
798
|
|
|
799 static char *
|
|
|
800 ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
801 {
|
|
|
802 ngx_http_userid_conf_t *ucf = conf;
|
|
|
803
|
|
|
804 ngx_str_t *value;
|
|
|
805
|
|
|
806 if (ucf->mark != (u_char) '\xFF') {
|
|
|
807 return "is duplicate";
|
|
|
808 }
|
|
|
809
|
|
|
810 value = cf->args->elts;
|
|
|
811
|
|
|
812 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
813 ucf->mark = '\0';
|
|
|
814 return NGX_CONF_OK;
|
|
|
815 }
|
|
|
816
|
|
|
817 if (value[1].len != 1
|
|
|
818 || !((value[1].data[0] >= '0' && value[1].data[0] <= '9')
|
|
|
819 || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z')
|
|
|
820 || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z')
|
|
|
821 || value[1].data[0] == '='))
|
|
|
822 {
|
|
|
823 return "value must be \"off\" or a single letter, digit or \"=\"";
|
|
|
824 }
|
|
|
825
|
|
|
826 ucf->mark = value[1].data[0];
|
|
|
827
|
|
|
828 return NGX_CONF_OK;
|
|
|
829 }
|
