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