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34
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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 typedef struct {
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582
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13 ngx_http_variable_value_t *value;
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430
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14 u_short start;
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15 u_short end;
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422
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16 } ngx_http_geo_range_t;
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17
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18
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19 typedef struct {
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582
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20 ngx_http_geo_range_t **low;
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430
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21 ngx_http_variable_value_t *default_value;
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422
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22 } ngx_http_geo_high_ranges_t;
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23
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24
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25 typedef struct {
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582
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26 ngx_str_node_t sn;
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27 ngx_http_variable_value_t *value;
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28 size_t offset;
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29 } ngx_http_geo_variable_value_node_t;
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30
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31
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32 typedef struct {
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430
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33 ngx_http_variable_value_t *value;
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34 ngx_str_t *net;
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582
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35 ngx_http_geo_high_ranges_t high;
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430
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36 ngx_radix_tree_t *tree;
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37 ngx_rbtree_t rbtree;
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38 ngx_rbtree_node_t sentinel;
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510
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39 ngx_array_t *proxies;
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430
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40 ngx_pool_t *pool;
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41 ngx_pool_t *temp_pool;
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582
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42
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43 size_t data_size;
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44
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45 ngx_str_t include_name;
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46 ngx_uint_t includes;
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47 ngx_uint_t entries;
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48
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49 unsigned ranges:1;
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50 unsigned outside_entries:1;
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51 unsigned allow_binary_include:1;
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52 unsigned binary_include:1;
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138
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53 } ngx_http_geo_conf_ctx_t;
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34
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54
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55
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430
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56 typedef struct {
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57 union {
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58 ngx_radix_tree_t *tree;
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582
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59 ngx_http_geo_high_ranges_t high;
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430
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60 } u;
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61
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510
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62 ngx_array_t *proxies;
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63
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430
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64 ngx_int_t index;
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65 } ngx_http_geo_ctx_t;
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66
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67
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68 static in_addr_t ngx_http_geo_addr(ngx_http_request_t *r,
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69 ngx_http_geo_ctx_t *ctx);
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510
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70 static in_addr_t ngx_http_geo_real_addr(ngx_http_request_t *r,
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71 ngx_http_geo_ctx_t *ctx);
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34
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72 static char *ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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73 static char *ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf);
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422
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74 static char *ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
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75 ngx_str_t *value);
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76 static char *ngx_http_geo_add_range(ngx_conf_t *cf,
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77 ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end);
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78 static ngx_uint_t ngx_http_geo_delete_range(ngx_conf_t *cf,
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79 ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end);
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80 static char *ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
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81 ngx_str_t *value);
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82 static ngx_http_variable_value_t *ngx_http_geo_value(ngx_conf_t *cf,
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83 ngx_http_geo_conf_ctx_t *ctx, ngx_str_t *value);
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510
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84 static char *ngx_http_geo_add_proxy(ngx_conf_t *cf,
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85 ngx_http_geo_conf_ctx_t *ctx, ngx_cidr_t *cidr);
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86 static ngx_int_t ngx_http_geo_cidr_value(ngx_conf_t *cf, ngx_str_t *net,
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87 ngx_cidr_t *cidr);
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582
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88 static char *ngx_http_geo_include(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
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89 ngx_str_t *name);
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90 static ngx_int_t ngx_http_geo_include_binary_base(ngx_conf_t *cf,
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91 ngx_http_geo_conf_ctx_t *ctx, ngx_str_t *name);
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92 static void ngx_http_geo_create_binary_base(ngx_http_geo_conf_ctx_t *ctx);
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93 static u_char *ngx_http_geo_copy_values(u_char *base, u_char *p,
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94 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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34
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95
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96
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97 static ngx_command_t ngx_http_geo_commands[] = {
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98
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99 { ngx_string("geo"),
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430
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100 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12,
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34
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101 ngx_http_geo_block,
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102 NGX_HTTP_MAIN_CONF_OFFSET,
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103 0,
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104 NULL },
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105
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106 ngx_null_command
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107 };
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108
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109
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110 static ngx_http_module_t ngx_http_geo_module_ctx = {
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58
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111 NULL, /* preconfiguration */
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112 NULL, /* postconfiguration */
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34
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113
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114 NULL, /* create main configuration */
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115 NULL, /* init main configuration */
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116
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117 NULL, /* create server configuration */
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118 NULL, /* merge server configuration */
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119
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120 NULL, /* create location configuration */
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121 NULL /* merge location configuration */
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122 };
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123
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124
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125 ngx_module_t ngx_http_geo_module = {
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58
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126 NGX_MODULE_V1,
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34
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127 &ngx_http_geo_module_ctx, /* module context */
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128 ngx_http_geo_commands, /* module directives */
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129 NGX_HTTP_MODULE, /* module type */
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90
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130 NULL, /* init master */
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34
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131 NULL, /* init module */
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90
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132 NULL, /* init process */
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133 NULL, /* init thread */
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134 NULL, /* exit thread */
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135 NULL, /* exit process */
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136 NULL, /* exit master */
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137 NGX_MODULE_V1_PADDING
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34
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138 };
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139
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140
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582
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141 typedef struct {
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142 u_char GEORNG[6];
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143 u_char version;
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144 u_char ptr_size;
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145 uint32_t endianess;
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146 uint32_t crc32;
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147 } ngx_http_geo_header_t;
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148
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149
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150 static ngx_http_geo_header_t ngx_http_geo_header = {
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151 { 'G', 'E', 'O', 'R', 'N', 'G' }, 0, sizeof(void *), 0x12345678, 0
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152 };
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153
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154
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34
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155 /* AF_INET only */
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156
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122
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157 static ngx_int_t
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422
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158 ngx_http_geo_cidr_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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122
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159 uintptr_t data)
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34
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160 {
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430
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161 ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data;
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34
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162
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122
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163 ngx_http_variable_value_t *vv;
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34
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164
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122
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165 vv = (ngx_http_variable_value_t *)
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430
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166 ngx_radix32tree_find(ctx->u.tree, ngx_http_geo_addr(r, ctx));
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38
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167
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122
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168 *v = *vv;
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169
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430
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170 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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171 "http geo: %v", v);
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38
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172
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122
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173 return NGX_OK;
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34
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174 }
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175
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176
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422
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177 static ngx_int_t
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178 ngx_http_geo_range_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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179 uintptr_t data)
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180 {
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430
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181 ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data;
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422
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182
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183 in_addr_t addr;
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582
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184 ngx_uint_t n;
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422
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185 ngx_http_geo_range_t *range;
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186
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582
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187 *v = *ctx->u.high.default_value;
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422
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188
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430
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189 addr = ngx_http_geo_addr(r, ctx);
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422
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190
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582
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191 range = ctx->u.high.low[addr >> 16];
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422
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192
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582
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193 if (range) {
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194 n = addr & 0xffff;
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195 do {
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196 if (n >= (ngx_uint_t) range->start && n <= (ngx_uint_t) range->end)
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197 {
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198 *v = *range->value;
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199 break;
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200 }
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201 } while ((++range)->value);
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422
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202 }
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203
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430
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204 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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205 "http geo: %v", v);
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422
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206
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207 return NGX_OK;
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208 }
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209
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210
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430
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211 static in_addr_t
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212 ngx_http_geo_addr(ngx_http_request_t *r, ngx_http_geo_ctx_t *ctx)
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213 {
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510
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214 u_char *p, *ip;
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215 size_t len;
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216 in_addr_t addr;
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217 ngx_uint_t i, n;
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218 ngx_in_cidr_t *proxies;
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219 ngx_table_elt_t *xfwd;
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220
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221 addr = ngx_http_geo_real_addr(r, ctx);
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222
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223 xfwd = r->headers_in.x_forwarded_for;
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224
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225 if (xfwd == NULL || ctx->proxies == NULL) {
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226 return addr;
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227 }
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228
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229 proxies = ctx->proxies->elts;
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230 n = ctx->proxies->nelts;
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231
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232 for (i = 0; i < n; i++) {
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233 if ((addr & proxies[i].mask) == proxies[i].addr) {
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234
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235 len = xfwd->value.len;
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236 ip = xfwd->value.data;
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237
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238 for (p = ip + len - 1; p > ip; p--) {
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239 if (*p == ' ' || *p == ',') {
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240 p++;
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241 len -= p - ip;
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242 ip = p;
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243 break;
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244 }
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245 }
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246
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247 return ntohl(ngx_inet_addr(ip, len));
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248 }
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249 }
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250
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251 return addr;
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252 }
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253
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254
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255 static in_addr_t
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256 ngx_http_geo_real_addr(ngx_http_request_t *r, ngx_http_geo_ctx_t *ctx)
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257 {
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430
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258 struct sockaddr_in *sin;
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259 ngx_http_variable_value_t *v;
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626
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260 #if (NGX_HAVE_INET6)
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261 u_char *p;
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262 in_addr_t addr;
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263 struct sockaddr_in6 *sin6;
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264 #endif
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430
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265
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266 if (ctx->index == -1) {
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267 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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268 "http geo started: %V", &r->connection->addr_text);
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269
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626
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270 switch (r->connection->sockaddr->sa_family) {
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271
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272 case AF_INET:
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273 sin = (struct sockaddr_in *) r->connection->sockaddr;
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274 return ntohl(sin->sin_addr.s_addr);
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275
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276 #if (NGX_HAVE_INET6)
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277
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278 case AF_INET6:
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279 sin6 = (struct sockaddr_in6 *) r->connection->sockaddr;
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280
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281 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
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282 p = sin6->sin6_addr.s6_addr;
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283 addr = p[12] << 24;
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284 addr += p[13] << 16;
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285 addr += p[14] << 8;
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286 addr += p[15];
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287
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288 return addr;
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289 }
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290
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291 #endif
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448
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292 }
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293
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626
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294 return INADDR_NONE;
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430
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295 }
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296
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297 v = ngx_http_get_flushed_variable(r, ctx->index);
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298
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299 if (v == NULL || v->not_found) {
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300 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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301 "http geo not found");
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302
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303 return 0;
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304 }
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305
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306 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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307 "http geo started: %v", v);
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308
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309 return ntohl(ngx_inet_addr(v->data, v->len));
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310 }
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311
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312
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38
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313 static char *
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314 ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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34
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315 {
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138
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316 char *rv;
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582
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317 void **p;
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422
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318 size_t len;
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138
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319 ngx_str_t *value, name;
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422
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320 ngx_uint_t i;
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138
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321 ngx_conf_t save;
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322 ngx_pool_t *pool;
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422
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323 ngx_array_t *a;
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328
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324 ngx_http_variable_t *var;
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430
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325 ngx_http_geo_ctx_t *geo;
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138
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326 ngx_http_geo_conf_ctx_t ctx;
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34
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327
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50
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328 value = cf->args->elts;
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329
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430
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330 geo = ngx_palloc(cf->pool, sizeof(ngx_http_geo_ctx_t));
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331 if (geo == NULL) {
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332 return NGX_CONF_ERROR;
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333 }
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334
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50
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335 name = value[1];
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430
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336 name.len--;
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337 name.data++;
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50
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338
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430
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339 if (cf->args->nelts == 3) {
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340
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341 geo->index = ngx_http_get_variable_index(cf, &name);
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342 if (geo->index == NGX_ERROR) {
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343 return NGX_CONF_ERROR;
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344 }
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345
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346 name = value[2];
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50
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347 name.len--;
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348 name.data++;
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430
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349
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350 } else {
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351 geo->index = -1;
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50
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352 }
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353
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340
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354 var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE);
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50
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355 if (var == NULL) {
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34
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356 return NGX_CONF_ERROR;
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357 }
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358
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132
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359 pool = ngx_create_pool(16384, cf->log);
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50
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360 if (pool == NULL) {
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34
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361 return NGX_CONF_ERROR;
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362 }
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363
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582
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364 ngx_memzero(&ctx, sizeof(ngx_http_geo_conf_ctx_t));
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365
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422
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366 ctx.temp_pool = ngx_create_pool(16384, cf->log);
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367 if (ctx.temp_pool == NULL) {
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34
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368 return NGX_CONF_ERROR;
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369 }
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370
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582
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371 ngx_rbtree_init(&ctx.rbtree, &ctx.sentinel, ngx_str_rbtree_insert_value);
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422
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372
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138
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373 ctx.pool = cf->pool;
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582
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374 ctx.data_size = sizeof(ngx_http_geo_header_t)
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375 + sizeof(ngx_http_variable_value_t)
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376 + 0x10000 * sizeof(ngx_http_geo_range_t *);
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377 ctx.allow_binary_include = 1;
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34
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378
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379 save = *cf;
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380 cf->pool = pool;
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138
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381 cf->ctx = &ctx;
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34
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382 cf->handler = ngx_http_geo;
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|
383 cf->handler_conf = conf;
|
|
|
384
|
|
|
385 rv = ngx_conf_parse(cf, NULL);
|
|
|
386
|
|
|
387 *cf = save;
|
|
|
388
|
|
510
|
389 geo->proxies = ctx.proxies;
|
|
|
390
|
|
582
|
391 if (ctx.high.low) {
|
|
|
392
|
|
|
393 if (!ctx.binary_include) {
|
|
|
394 for (i = 0; i < 0x10000; i++) {
|
|
|
395 a = (ngx_array_t *) ctx.high.low[i];
|
|
|
396
|
|
|
397 if (a == NULL || a->nelts == 0) {
|
|
|
398 continue;
|
|
|
399 }
|
|
422
|
400
|
|
582
|
401 len = a->nelts * sizeof(ngx_http_geo_range_t);
|
|
422
|
402
|
|
582
|
403 ctx.high.low[i] = ngx_palloc(cf->pool, len + sizeof(void *));
|
|
|
404 if (ctx.high.low[i] == NULL) {
|
|
|
405 return NGX_CONF_ERROR;
|
|
|
406 }
|
|
|
407
|
|
|
408 p = (void **) ngx_cpymem(ctx.high.low[i], a->elts, len);
|
|
|
409 *p = NULL;
|
|
|
410 ctx.data_size += len + sizeof(void *);
|
|
422
|
411 }
|
|
|
412
|
|
582
|
413 if (ctx.allow_binary_include
|
|
|
414 && !ctx.outside_entries
|
|
|
415 && ctx.entries > 100000
|
|
|
416 && ctx.includes == 1)
|
|
|
417 {
|
|
|
418 ngx_http_geo_create_binary_base(&ctx);
|
|
422
|
419 }
|
|
|
420 }
|
|
|
421
|
|
430
|
422 geo->u.high = ctx.high;
|
|
|
423
|
|
422
|
424 var->get_handler = ngx_http_geo_range_variable;
|
|
430
|
425 var->data = (uintptr_t) geo;
|
|
34
|
426
|
|
582
|
427 if (ctx.high.default_value == NULL) {
|
|
|
428 ctx.high.default_value = &ngx_http_variable_null_value;
|
|
|
429 }
|
|
|
430
|
|
422
|
431 ngx_destroy_pool(ctx.temp_pool);
|
|
|
432 ngx_destroy_pool(pool);
|
|
|
433
|
|
|
434 } else {
|
|
424
|
435 if (ctx.tree == NULL) {
|
|
|
436 ctx.tree = ngx_radix_tree_create(cf->pool, -1);
|
|
|
437 if (ctx.tree == NULL) {
|
|
|
438 return NGX_CONF_ERROR;
|
|
|
439 }
|
|
|
440 }
|
|
|
441
|
|
430
|
442 geo->u.tree = ctx.tree;
|
|
|
443
|
|
422
|
444 var->get_handler = ngx_http_geo_cidr_variable;
|
|
430
|
445 var->data = (uintptr_t) geo;
|
|
422
|
446
|
|
|
447 ngx_destroy_pool(ctx.temp_pool);
|
|
|
448 ngx_destroy_pool(pool);
|
|
|
449
|
|
|
450 if (ngx_radix32tree_find(ctx.tree, 0) != NGX_RADIX_NO_VALUE) {
|
|
|
451 return rv;
|
|
|
452 }
|
|
|
453
|
|
|
454 if (ngx_radix32tree_insert(ctx.tree, 0, 0,
|
|
|
455 (uintptr_t) &ngx_http_variable_null_value)
|
|
|
456 == NGX_ERROR)
|
|
|
457 {
|
|
|
458 return NGX_CONF_ERROR;
|
|
|
459 }
|
|
34
|
460 }
|
|
|
461
|
|
|
462 return rv;
|
|
|
463 }
|
|
|
464
|
|
|
465
|
|
38
|
466 static char *
|
|
|
467 ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
|
|
34
|
468 {
|
|
422
|
469 char *rv;
|
|
582
|
470 ngx_str_t *value;
|
|
510
|
471 ngx_cidr_t cidr;
|
|
422
|
472 ngx_http_geo_conf_ctx_t *ctx;
|
|
34
|
473
|
|
138
|
474 ctx = cf->ctx;
|
|
34
|
475
|
|
422
|
476 value = cf->args->elts;
|
|
|
477
|
|
|
478 if (cf->args->nelts == 1) {
|
|
|
479
|
|
|
480 if (ngx_strcmp(value[0].data, "ranges") == 0) {
|
|
|
481
|
|
|
482 if (ctx->tree) {
|
|
|
483 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
484 "the \"ranges\" directive must be "
|
|
|
485 "the first directive inside \"geo\" block");
|
|
|
486 goto failed;
|
|
|
487 }
|
|
|
488
|
|
582
|
489 ctx->ranges = 1;
|
|
422
|
490
|
|
|
491 rv = NGX_CONF_OK;
|
|
|
492
|
|
|
493 goto done;
|
|
|
494 }
|
|
|
495 }
|
|
|
496
|
|
34
|
497 if (cf->args->nelts != 2) {
|
|
|
498 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
499 "invalid number of the geo parameters");
|
|
422
|
500 goto failed;
|
|
34
|
501 }
|
|
|
502
|
|
422
|
503 if (ngx_strcmp(value[0].data, "include") == 0) {
|
|
|
504
|
|
582
|
505 rv = ngx_http_geo_include(cf, ctx, &value[1]);
|
|
422
|
506
|
|
|
507 goto done;
|
|
510
|
508
|
|
|
509 } else if (ngx_strcmp(value[0].data, "proxy") == 0) {
|
|
|
510
|
|
|
511 if (ngx_http_geo_cidr_value(cf, &value[1], &cidr) != NGX_OK) {
|
|
|
512 goto failed;
|
|
|
513 }
|
|
|
514
|
|
|
515 rv = ngx_http_geo_add_proxy(cf, ctx, &cidr);
|
|
|
516
|
|
|
517 goto done;
|
|
422
|
518 }
|
|
|
519
|
|
582
|
520 if (ctx->ranges) {
|
|
422
|
521 rv = ngx_http_geo_range(cf, ctx, value);
|
|
|
522
|
|
|
523 } else {
|
|
|
524 rv = ngx_http_geo_cidr(cf, ctx, value);
|
|
|
525 }
|
|
|
526
|
|
|
527 done:
|
|
|
528
|
|
|
529 ngx_reset_pool(cf->pool);
|
|
|
530
|
|
|
531 return rv;
|
|
|
532
|
|
|
533 failed:
|
|
|
534
|
|
|
535 ngx_reset_pool(cf->pool);
|
|
|
536
|
|
|
537 return NGX_CONF_ERROR;
|
|
|
538 }
|
|
|
539
|
|
|
540
|
|
|
541 static char *
|
|
|
542 ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
543 ngx_str_t *value)
|
|
|
544 {
|
|
582
|
545 u_char *p, *last;
|
|
|
546 in_addr_t start, end;
|
|
|
547 ngx_str_t *net;
|
|
|
548 ngx_uint_t del;
|
|
422
|
549
|
|
|
550 if (ngx_strcmp(value[0].data, "default") == 0) {
|
|
|
551
|
|
582
|
552 if (ctx->high.default_value) {
|
|
|
553 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
554 "duplicate default geo range value: \"%V\", old value: \"%v\"",
|
|
|
555 &value[1], ctx->high.default_value);
|
|
422
|
556 }
|
|
|
557
|
|
582
|
558 ctx->high.default_value = ngx_http_geo_value(cf, ctx, &value[1]);
|
|
|
559 if (ctx->high.default_value == NULL) {
|
|
|
560 return NGX_CONF_ERROR;
|
|
422
|
561 }
|
|
|
562
|
|
|
563 return NGX_CONF_OK;
|
|
|
564 }
|
|
|
565
|
|
582
|
566 if (ctx->binary_include) {
|
|
|
567 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
568 "binary geo range base \"%s\" may not be mixed with usual entries",
|
|
|
569 ctx->include_name.data);
|
|
|
570 return NGX_CONF_ERROR;
|
|
|
571 }
|
|
|
572
|
|
|
573 if (ctx->high.low == NULL) {
|
|
|
574 ctx->high.low = ngx_pcalloc(ctx->pool,
|
|
|
575 0x10000 * sizeof(ngx_http_geo_range_t *));
|
|
|
576 if (ctx->high.low == NULL) {
|
|
|
577 return NGX_CONF_ERROR;
|
|
|
578 }
|
|
|
579 }
|
|
|
580
|
|
|
581 ctx->entries++;
|
|
|
582 ctx->outside_entries = 1;
|
|
|
583
|
|
422
|
584 if (ngx_strcmp(value[0].data, "delete") == 0) {
|
|
|
585 net = &value[1];
|
|
|
586 del = 1;
|
|
|
587
|
|
|
588 } else {
|
|
|
589 net = &value[0];
|
|
|
590 del = 0;
|
|
|
591 }
|
|
|
592
|
|
|
593 last = net->data + net->len;
|
|
|
594
|
|
|
595 p = ngx_strlchr(net->data, last, '-');
|
|
|
596
|
|
|
597 if (p == NULL) {
|
|
|
598 goto invalid;
|
|
|
599 }
|
|
|
600
|
|
|
601 start = ngx_inet_addr(net->data, p - net->data);
|
|
|
602
|
|
|
603 if (start == INADDR_NONE) {
|
|
|
604 goto invalid;
|
|
|
605 }
|
|
|
606
|
|
|
607 start = ntohl(start);
|
|
|
608
|
|
|
609 p++;
|
|
|
610
|
|
|
611 end = ngx_inet_addr(p, last - p);
|
|
|
612
|
|
|
613 if (end == INADDR_NONE) {
|
|
|
614 goto invalid;
|
|
|
615 }
|
|
|
616
|
|
|
617 end = ntohl(end);
|
|
|
618
|
|
|
619 if (start > end) {
|
|
|
620 goto invalid;
|
|
|
621 }
|
|
|
622
|
|
|
623 if (del) {
|
|
|
624 if (ngx_http_geo_delete_range(cf, ctx, start, end)) {
|
|
|
625 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
626 "no address range \"%V\" to delete", net);
|
|
|
627 }
|
|
|
628
|
|
|
629 return NGX_CONF_OK;
|
|
|
630 }
|
|
|
631
|
|
|
632 ctx->value = ngx_http_geo_value(cf, ctx, &value[1]);
|
|
|
633
|
|
|
634 if (ctx->value == NULL) {
|
|
|
635 return NGX_CONF_ERROR;
|
|
|
636 }
|
|
|
637
|
|
|
638 ctx->net = net;
|
|
|
639
|
|
|
640 return ngx_http_geo_add_range(cf, ctx, start, end);
|
|
|
641
|
|
|
642 invalid:
|
|
|
643
|
|
|
644 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid range \"%V\"", net);
|
|
|
645
|
|
|
646 return NGX_CONF_ERROR;
|
|
|
647 }
|
|
|
648
|
|
|
649
|
|
|
650 /* the add procedure is optimized to add a growing up sequence */
|
|
|
651
|
|
|
652 static char *
|
|
|
653 ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
654 in_addr_t start, in_addr_t end)
|
|
|
655 {
|
|
|
656 in_addr_t n;
|
|
|
657 ngx_uint_t h, i, s, e;
|
|
|
658 ngx_array_t *a;
|
|
|
659 ngx_http_geo_range_t *range;
|
|
|
660
|
|
564
|
661 for (n = start; n <= end; n = (n + 0x10000) & 0xffff0000) {
|
|
422
|
662
|
|
|
663 h = n >> 16;
|
|
438
|
664
|
|
|
665 if (n == start) {
|
|
|
666 s = n & 0xffff;
|
|
|
667 } else {
|
|
|
668 s = 0;
|
|
|
669 }
|
|
422
|
670
|
|
|
671 if ((n | 0xffff) > end) {
|
|
|
672 e = end & 0xffff;
|
|
|
673
|
|
|
674 } else {
|
|
|
675 e = 0xffff;
|
|
|
676 }
|
|
|
677
|
|
582
|
678 a = (ngx_array_t *) ctx->high.low[h];
|
|
422
|
679
|
|
|
680 if (a == NULL) {
|
|
|
681 a = ngx_array_create(ctx->temp_pool, 64,
|
|
|
682 sizeof(ngx_http_geo_range_t));
|
|
|
683 if (a == NULL) {
|
|
|
684 return NGX_CONF_ERROR;
|
|
|
685 }
|
|
|
686
|
|
582
|
687 ctx->high.low[h] = (ngx_http_geo_range_t *) a;
|
|
422
|
688 }
|
|
|
689
|
|
|
690 i = a->nelts;
|
|
|
691 range = a->elts;
|
|
|
692
|
|
|
693 while (i) {
|
|
|
694
|
|
|
695 i--;
|
|
|
696
|
|
|
697 if (e < (ngx_uint_t) range[i].start) {
|
|
|
698 continue;
|
|
|
699 }
|
|
|
700
|
|
|
701 if (s > (ngx_uint_t) range[i].end) {
|
|
|
702
|
|
|
703 /* add after the range */
|
|
|
704
|
|
|
705 range = ngx_array_push(a);
|
|
|
706 if (range == NULL) {
|
|
|
707 return NGX_CONF_ERROR;
|
|
|
708 }
|
|
|
709
|
|
|
710 range = a->elts;
|
|
|
711
|
|
620
|
712 ngx_memmove(&range[i + 2], &range[i + 1],
|
|
422
|
713 (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t));
|
|
|
714
|
|
438
|
715 range[i + 1].start = (u_short) s;
|
|
|
716 range[i + 1].end = (u_short) e;
|
|
|
717 range[i + 1].value = ctx->value;
|
|
422
|
718
|
|
|
719 goto next;
|
|
|
720 }
|
|
|
721
|
|
|
722 if (s == (ngx_uint_t) range[i].start
|
|
|
723 && e == (ngx_uint_t) range[i].end)
|
|
|
724 {
|
|
|
725 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
726 "duplicate range \"%V\", value: \"%v\", old value: \"%v\"",
|
|
|
727 ctx->net, ctx->value, range[i].value);
|
|
438
|
728
|
|
|
729 range[i].value = ctx->value;
|
|
|
730
|
|
|
731 goto next;
|
|
|
732 }
|
|
|
733
|
|
|
734 if (s > (ngx_uint_t) range[i].start
|
|
|
735 && e < (ngx_uint_t) range[i].end)
|
|
|
736 {
|
|
|
737 /* split the range and insert the new one */
|
|
|
738
|
|
|
739 range = ngx_array_push(a);
|
|
|
740 if (range == NULL) {
|
|
|
741 return NGX_CONF_ERROR;
|
|
|
742 }
|
|
|
743
|
|
|
744 range = ngx_array_push(a);
|
|
|
745 if (range == NULL) {
|
|
|
746 return NGX_CONF_ERROR;
|
|
|
747 }
|
|
|
748
|
|
|
749 range = a->elts;
|
|
|
750
|
|
620
|
751 ngx_memmove(&range[i + 3], &range[i + 1],
|
|
438
|
752 (a->nelts - 3 - i) * sizeof(ngx_http_geo_range_t));
|
|
|
753
|
|
|
754 range[i + 2].start = (u_short) (e + 1);
|
|
|
755 range[i + 2].end = range[i].end;
|
|
|
756 range[i + 2].value = range[i].value;
|
|
|
757
|
|
|
758 range[i + 1].start = (u_short) s;
|
|
|
759 range[i + 1].end = (u_short) e;
|
|
|
760 range[i + 1].value = ctx->value;
|
|
|
761
|
|
|
762 range[i].end = (u_short) (s - 1);
|
|
|
763
|
|
|
764 goto next;
|
|
422
|
765 }
|
|
|
766
|
|
438
|
767 if (s == (ngx_uint_t) range[i].start
|
|
|
768 && e < (ngx_uint_t) range[i].end)
|
|
|
769 {
|
|
|
770 /* shift the range start and insert the new range */
|
|
|
771
|
|
|
772 range = ngx_array_push(a);
|
|
|
773 if (range == NULL) {
|
|
|
774 return NGX_CONF_ERROR;
|
|
|
775 }
|
|
|
776
|
|
|
777 range = a->elts;
|
|
|
778
|
|
620
|
779 ngx_memmove(&range[i + 1], &range[i],
|
|
440
|
780 (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t));
|
|
438
|
781
|
|
|
782 range[i + 1].start = (u_short) (e + 1);
|
|
|
783
|
|
|
784 range[i].start = (u_short) s;
|
|
|
785 range[i].end = (u_short) e;
|
|
|
786 range[i].value = ctx->value;
|
|
|
787
|
|
|
788 goto next;
|
|
|
789 }
|
|
|
790
|
|
|
791 if (s > (ngx_uint_t) range[i].start
|
|
|
792 && e == (ngx_uint_t) range[i].end)
|
|
|
793 {
|
|
|
794 /* shift the range end and insert the new range */
|
|
|
795
|
|
|
796 range = ngx_array_push(a);
|
|
|
797 if (range == NULL) {
|
|
|
798 return NGX_CONF_ERROR;
|
|
|
799 }
|
|
|
800
|
|
|
801 range = a->elts;
|
|
|
802
|
|
620
|
803 ngx_memmove(&range[i + 2], &range[i + 1],
|
|
438
|
804 (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t));
|
|
|
805
|
|
|
806 range[i + 1].start = (u_short) s;
|
|
|
807 range[i + 1].end = (u_short) e;
|
|
|
808 range[i + 1].value = ctx->value;
|
|
|
809
|
|
|
810 range[i].end = (u_short) (s - 1);
|
|
|
811
|
|
|
812 goto next;
|
|
|
813 }
|
|
|
814
|
|
|
815 s = (ngx_uint_t) range[i].start;
|
|
|
816 e = (ngx_uint_t) range[i].end;
|
|
|
817
|
|
422
|
818 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
438
|
819 "range \"%V\" overlaps \"%d.%d.%d.%d-%d.%d.%d.%d\"",
|
|
|
820 ctx->net,
|
|
|
821 h >> 8, h & 0xff, s >> 8, s & 0xff,
|
|
|
822 h >> 8, h & 0xff, e >> 8, e & 0xff);
|
|
422
|
823
|
|
|
824 return NGX_CONF_ERROR;
|
|
|
825 }
|
|
|
826
|
|
|
827 /* add the first range */
|
|
|
828
|
|
|
829 range = ngx_array_push(a);
|
|
|
830 if (range == NULL) {
|
|
|
831 return NGX_CONF_ERROR;
|
|
|
832 }
|
|
|
833
|
|
|
834 range->start = (u_short) s;
|
|
|
835 range->end = (u_short) e;
|
|
|
836 range->value = ctx->value;
|
|
438
|
837
|
|
|
838 next:
|
|
|
839
|
|
|
840 continue;
|
|
422
|
841 }
|
|
|
842
|
|
|
843 return NGX_CONF_OK;
|
|
|
844 }
|
|
|
845
|
|
|
846
|
|
|
847 static ngx_uint_t
|
|
|
848 ngx_http_geo_delete_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
849 in_addr_t start, in_addr_t end)
|
|
|
850 {
|
|
|
851 in_addr_t n;
|
|
|
852 ngx_uint_t h, i, s, e, warn;
|
|
|
853 ngx_array_t *a;
|
|
|
854 ngx_http_geo_range_t *range;
|
|
|
855
|
|
|
856 warn = 0;
|
|
|
857
|
|
438
|
858 for (n = start; n <= end; n += 0x10000) {
|
|
422
|
859
|
|
|
860 h = n >> 16;
|
|
438
|
861
|
|
|
862 if (n == start) {
|
|
|
863 s = n & 0xffff;
|
|
|
864 } else {
|
|
|
865 s = 0;
|
|
|
866 }
|
|
422
|
867
|
|
|
868 if ((n | 0xffff) > end) {
|
|
|
869 e = end & 0xffff;
|
|
|
870
|
|
|
871 } else {
|
|
|
872 e = 0xffff;
|
|
|
873 }
|
|
|
874
|
|
582
|
875 a = (ngx_array_t *) ctx->high.low[h];
|
|
422
|
876
|
|
|
877 if (a == NULL) {
|
|
|
878 warn = 1;
|
|
|
879 continue;
|
|
|
880 }
|
|
|
881
|
|
|
882 range = a->elts;
|
|
|
883 for (i = 0; i < a->nelts; i++) {
|
|
|
884
|
|
|
885 if (s == (ngx_uint_t) range[i].start
|
|
|
886 && e == (ngx_uint_t) range[i].end)
|
|
|
887 {
|
|
620
|
888 ngx_memmove(&range[i], &range[i + 1],
|
|
422
|
889 (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t));
|
|
438
|
890
|
|
|
891 a->nelts--;
|
|
|
892
|
|
422
|
893 break;
|
|
|
894 }
|
|
|
895
|
|
|
896 if (s != (ngx_uint_t) range[i].start
|
|
|
897 && e != (ngx_uint_t) range[i].end)
|
|
|
898 {
|
|
|
899 continue;
|
|
|
900 }
|
|
|
901
|
|
|
902 warn = 1;
|
|
|
903 }
|
|
|
904 }
|
|
|
905
|
|
|
906 return warn;
|
|
|
907 }
|
|
|
908
|
|
|
909
|
|
|
910 static char *
|
|
|
911 ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
912 ngx_str_t *value)
|
|
|
913 {
|
|
|
914 ngx_int_t rc, del;
|
|
|
915 ngx_str_t *net;
|
|
|
916 ngx_uint_t i;
|
|
454
|
917 ngx_cidr_t cidr;
|
|
422
|
918 ngx_http_variable_value_t *val, *old;
|
|
|
919
|
|
|
920 if (ctx->tree == NULL) {
|
|
|
921 ctx->tree = ngx_radix_tree_create(ctx->pool, -1);
|
|
|
922 if (ctx->tree == NULL) {
|
|
|
923 return NGX_CONF_ERROR;
|
|
|
924 }
|
|
34
|
925 }
|
|
|
926
|
|
|
927 if (ngx_strcmp(value[0].data, "default") == 0) {
|
|
454
|
928 cidr.u.in.addr = 0;
|
|
|
929 cidr.u.in.mask = 0;
|
|
422
|
930 net = &value[0];
|
|
34
|
931
|
|
|
932 } else {
|
|
422
|
933 if (ngx_strcmp(value[0].data, "delete") == 0) {
|
|
|
934 net = &value[1];
|
|
|
935 del = 1;
|
|
|
936
|
|
|
937 } else {
|
|
|
938 net = &value[0];
|
|
|
939 del = 0;
|
|
|
940 }
|
|
|
941
|
|
510
|
942 if (ngx_http_geo_cidr_value(cf, net, &cidr) != NGX_OK) {
|
|
|
943 return NGX_CONF_ERROR;
|
|
326
|
944 }
|
|
|
945
|
|
422
|
946 if (del) {
|
|
454
|
947 if (ngx_radix32tree_delete(ctx->tree, cidr.u.in.addr,
|
|
|
948 cidr.u.in.mask)
|
|
422
|
949 != NGX_OK)
|
|
|
950 {
|
|
|
951 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
952 "no network \"%V\" to delete", net);
|
|
|
953 }
|
|
426
|
954
|
|
|
955 return NGX_CONF_OK;
|
|
34
|
956 }
|
|
|
957 }
|
|
|
958
|
|
422
|
959 val = ngx_http_geo_value(cf, ctx, &value[1]);
|
|
34
|
960
|
|
422
|
961 if (val == NULL) {
|
|
|
962 return NGX_CONF_ERROR;
|
|
34
|
963 }
|
|
|
964
|
|
102
|
965 for (i = 2; i; i--) {
|
|
454
|
966 rc = ngx_radix32tree_insert(ctx->tree, cidr.u.in.addr, cidr.u.in.mask,
|
|
422
|
967 (uintptr_t) val);
|
|
102
|
968 if (rc == NGX_OK) {
|
|
|
969 return NGX_CONF_OK;
|
|
|
970 }
|
|
|
971
|
|
|
972 if (rc == NGX_ERROR) {
|
|
|
973 return NGX_CONF_ERROR;
|
|
|
974 }
|
|
|
975
|
|
|
976 /* rc == NGX_BUSY */
|
|
|
977
|
|
526
|
978 old = (ngx_http_variable_value_t *)
|
|
454
|
979 ngx_radix32tree_find(ctx->tree, cidr.u.in.addr & cidr.u.in.mask);
|
|
102
|
980
|
|
|
981 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
422
|
982 "duplicate network \"%V\", value: \"%v\", old value: \"%v\"",
|
|
|
983 net, val, old);
|
|
102
|
984
|
|
454
|
985 rc = ngx_radix32tree_delete(ctx->tree, cidr.u.in.addr, cidr.u.in.mask);
|
|
102
|
986
|
|
|
987 if (rc == NGX_ERROR) {
|
|
422
|
988 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid radix tree");
|
|
102
|
989 return NGX_CONF_ERROR;
|
|
|
990 }
|
|
34
|
991 }
|
|
|
992
|
|
102
|
993 return NGX_CONF_ERROR;
|
|
34
|
994 }
|
|
422
|
995
|
|
|
996
|
|
|
997 static ngx_http_variable_value_t *
|
|
|
998 ngx_http_geo_value(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
999 ngx_str_t *value)
|
|
|
1000 {
|
|
582
|
1001 uint32_t hash;
|
|
|
1002 ngx_http_variable_value_t *val;
|
|
|
1003 ngx_http_geo_variable_value_node_t *gvvn;
|
|
422
|
1004
|
|
|
1005 hash = ngx_crc32_long(value->data, value->len);
|
|
|
1006
|
|
582
|
1007 gvvn = (ngx_http_geo_variable_value_node_t *)
|
|
|
1008 ngx_str_rbtree_lookup(&ctx->rbtree, value, hash);
|
|
422
|
1009
|
|
582
|
1010 if (gvvn) {
|
|
|
1011 return gvvn->value;
|
|
422
|
1012 }
|
|
|
1013
|
|
|
1014 val = ngx_palloc(ctx->pool, sizeof(ngx_http_variable_value_t));
|
|
|
1015 if (val == NULL) {
|
|
|
1016 return NULL;
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 val->len = value->len;
|
|
|
1020 val->data = ngx_pstrdup(ctx->pool, value);
|
|
|
1021 if (val->data == NULL) {
|
|
|
1022 return NULL;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 val->valid = 1;
|
|
|
1026 val->no_cacheable = 0;
|
|
|
1027 val->not_found = 0;
|
|
|
1028
|
|
582
|
1029 gvvn = ngx_palloc(ctx->temp_pool,
|
|
|
1030 sizeof(ngx_http_geo_variable_value_node_t));
|
|
|
1031 if (gvvn == NULL) {
|
|
422
|
1032 return NULL;
|
|
|
1033 }
|
|
|
1034
|
|
582
|
1035 gvvn->sn.node.key = hash;
|
|
|
1036 gvvn->sn.str.len = val->len;
|
|
|
1037 gvvn->sn.str.data = val->data;
|
|
|
1038 gvvn->value = val;
|
|
|
1039 gvvn->offset = 0;
|
|
422
|
1040
|
|
582
|
1041 ngx_rbtree_insert(&ctx->rbtree, &gvvn->sn.node);
|
|
|
1042
|
|
|
1043 ctx->data_size += ngx_align(sizeof(ngx_http_variable_value_t) + value->len,
|
|
|
1044 sizeof(void *));
|
|
422
|
1045
|
|
|
1046 return val;
|
|
|
1047 }
|
|
510
|
1048
|
|
|
1049
|
|
|
1050 static char *
|
|
|
1051 ngx_http_geo_add_proxy(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
1052 ngx_cidr_t *cidr)
|
|
|
1053 {
|
|
|
1054 ngx_in_cidr_t *c;
|
|
|
1055
|
|
|
1056 if (ctx->proxies == NULL) {
|
|
|
1057 ctx->proxies = ngx_array_create(ctx->pool, 4, sizeof(ngx_in_cidr_t));
|
|
|
1058 if (ctx->proxies == NULL) {
|
|
|
1059 return NGX_CONF_ERROR;
|
|
|
1060 }
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 c = ngx_array_push(ctx->proxies);
|
|
|
1064 if (c == NULL) {
|
|
|
1065 return NGX_CONF_ERROR;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 c->addr = cidr->u.in.addr;
|
|
|
1069 c->mask = cidr->u.in.mask;
|
|
|
1070
|
|
|
1071 return NGX_CONF_OK;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074
|
|
|
1075 static ngx_int_t
|
|
|
1076 ngx_http_geo_cidr_value(ngx_conf_t *cf, ngx_str_t *net, ngx_cidr_t *cidr)
|
|
|
1077 {
|
|
|
1078 ngx_int_t rc;
|
|
|
1079
|
|
|
1080 if (ngx_strcmp(net->data, "255.255.255.255") == 0) {
|
|
|
1081 cidr->u.in.addr = 0xffffffff;
|
|
|
1082 cidr->u.in.mask = 0xffffffff;
|
|
|
1083
|
|
|
1084 return NGX_OK;
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 rc = ngx_ptocidr(net, cidr);
|
|
|
1088
|
|
|
1089 if (rc == NGX_ERROR) {
|
|
|
1090 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid network \"%V\"", net);
|
|
|
1091 return NGX_ERROR;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 if (cidr->family != AF_INET) {
|
|
|
1095 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"geo\" supports IPv4 only");
|
|
|
1096 return NGX_ERROR;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 if (rc == NGX_DONE) {
|
|
|
1100 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1101 "low address bits of %V are meaningless", net);
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 cidr->u.in.addr = ntohl(cidr->u.in.addr);
|
|
|
1105 cidr->u.in.mask = ntohl(cidr->u.in.mask);
|
|
|
1106
|
|
|
1107 return NGX_OK;
|
|
|
1108 }
|
|
582
|
1109
|
|
|
1110
|
|
|
1111 static char *
|
|
|
1112 ngx_http_geo_include(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
1113 ngx_str_t *name)
|
|
|
1114 {
|
|
|
1115 char *rv;
|
|
|
1116 ngx_str_t file;
|
|
|
1117
|
|
|
1118 file.len = name->len + 4;
|
|
|
1119 file.data = ngx_pnalloc(ctx->temp_pool, name->len + 5);
|
|
|
1120 if (file.data == NULL) {
|
|
|
1121 return NGX_CONF_ERROR;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 ngx_sprintf(file.data, "%V.bin%Z", name);
|
|
|
1125
|
|
|
1126 if (ngx_conf_full_name(cf->cycle, &file, 1) != NGX_OK) {
|
|
|
1127 return NGX_CONF_ERROR;
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 if (ctx->ranges) {
|
|
|
1131 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data);
|
|
|
1132
|
|
|
1133 switch (ngx_http_geo_include_binary_base(cf, ctx, &file)) {
|
|
|
1134 case NGX_OK:
|
|
|
1135 return NGX_CONF_OK;
|
|
|
1136 case NGX_ERROR:
|
|
|
1137 return NGX_CONF_ERROR;
|
|
|
1138 default:
|
|
|
1139 break;
|
|
|
1140 }
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 file.len -= 4;
|
|
|
1144 file.data[file.len] = '\0';
|
|
|
1145
|
|
|
1146 ctx->include_name = file;
|
|
|
1147
|
|
|
1148 if (ctx->outside_entries) {
|
|
|
1149 ctx->allow_binary_include = 0;
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data);
|
|
|
1153
|
|
|
1154 rv = ngx_conf_parse(cf, &file);
|
|
|
1155
|
|
|
1156 ctx->includes++;
|
|
|
1157 ctx->outside_entries = 0;
|
|
|
1158
|
|
|
1159 return rv;
|
|
|
1160 }
|
|
|
1161
|
|
|
1162
|
|
|
1163 static ngx_int_t
|
|
|
1164 ngx_http_geo_include_binary_base(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx,
|
|
|
1165 ngx_str_t *name)
|
|
|
1166 {
|
|
|
1167 u_char *base, ch;
|
|
|
1168 time_t mtime;
|
|
|
1169 size_t size, len;
|
|
|
1170 ssize_t n;
|
|
|
1171 uint32_t crc32;
|
|
|
1172 ngx_err_t err;
|
|
|
1173 ngx_int_t rc;
|
|
|
1174 ngx_uint_t i;
|
|
|
1175 ngx_file_t file;
|
|
|
1176 ngx_file_info_t fi;
|
|
|
1177 ngx_http_geo_range_t *range, **ranges;
|
|
|
1178 ngx_http_geo_header_t *header;
|
|
|
1179 ngx_http_variable_value_t *vv;
|
|
|
1180
|
|
|
1181 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
|
1182 file.name = *name;
|
|
|
1183 file.log = cf->log;
|
|
|
1184
|
|
|
1185 file.fd = ngx_open_file(name->data, NGX_FILE_RDONLY, 0, 0);
|
|
|
1186 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1187 err = ngx_errno;
|
|
|
1188 if (err != NGX_ENOENT) {
|
|
|
1189 ngx_conf_log_error(NGX_LOG_CRIT, cf, err,
|
|
|
1190 ngx_open_file_n " \"%s\" failed", name->data);
|
|
|
1191 }
|
|
|
1192 return NGX_DECLINED;
|
|
|
1193 }
|
|
|
1194
|
|
|
1195 if (ctx->outside_entries) {
|
|
|
1196 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1197 "binary geo range base \"%s\" may not be mixed with usual entries",
|
|
|
1198 name->data);
|
|
|
1199 rc = NGX_ERROR;
|
|
|
1200 goto done;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 if (ctx->binary_include) {
|
|
|
1204 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1205 "second binary geo range base \"%s\" may not be mixed with \"%s\"",
|
|
|
1206 name->data, ctx->include_name.data);
|
|
|
1207 rc = NGX_ERROR;
|
|
|
1208 goto done;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) {
|
|
|
1212 ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno,
|
|
|
1213 ngx_fd_info_n " \"%s\" failed", name->data);
|
|
|
1214 goto failed;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 size = (size_t) ngx_file_size(&fi);
|
|
|
1218 mtime = ngx_file_mtime(&fi);
|
|
|
1219
|
|
|
1220 ch = name->data[name->len - 4];
|
|
|
1221 name->data[name->len - 4] = '\0';
|
|
|
1222
|
|
|
1223 if (ngx_file_info(name->data, &fi) == NGX_FILE_ERROR) {
|
|
|
1224 ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno,
|
|
|
1225 ngx_file_info_n " \"%s\" failed", name->data);
|
|
|
1226 goto failed;
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 name->data[name->len - 4] = ch;
|
|
|
1230
|
|
|
1231 if (mtime < ngx_file_mtime(&fi)) {
|
|
|
1232 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1233 "stale binary geo range base \"%s\"", name->data);
|
|
|
1234 goto failed;
|
|
|
1235 }
|
|
|
1236
|
|
|
1237 base = ngx_palloc(ctx->pool, size);
|
|
|
1238 if (base == NULL) {
|
|
|
1239 goto failed;
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 n = ngx_read_file(&file, base, size, 0);
|
|
|
1243
|
|
|
1244 if (n == NGX_ERROR) {
|
|
|
1245 ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno,
|
|
|
1246 ngx_read_file_n " \"%s\" failed", name->data);
|
|
|
1247 goto failed;
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 if ((size_t) n != size) {
|
|
|
1251 ngx_conf_log_error(NGX_LOG_CRIT, cf, 0,
|
|
|
1252 ngx_read_file_n " \"%s\" returned only %z bytes instead of %z",
|
|
|
1253 name->data, n, size);
|
|
|
1254 goto failed;
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 header = (ngx_http_geo_header_t *) base;
|
|
|
1258
|
|
|
1259 if (size < 16 || ngx_memcmp(&ngx_http_geo_header, header, 12) != 0) {
|
|
|
1260 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1261 "incompatible binary geo range base \"%s\"", name->data);
|
|
|
1262 goto failed;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 ngx_crc32_init(crc32);
|
|
|
1266
|
|
|
1267 vv = (ngx_http_variable_value_t *) (base + sizeof(ngx_http_geo_header_t));
|
|
|
1268
|
|
|
1269 while(vv->data) {
|
|
|
1270 len = ngx_align(sizeof(ngx_http_variable_value_t) + vv->len,
|
|
|
1271 sizeof(void *));
|
|
|
1272 ngx_crc32_update(&crc32, (u_char *) vv, len);
|
|
|
1273 vv->data += (size_t) base;
|
|
|
1274 vv = (ngx_http_variable_value_t *) ((u_char *) vv + len);
|
|
|
1275 }
|
|
|
1276 ngx_crc32_update(&crc32, (u_char *) vv, sizeof(ngx_http_variable_value_t));
|
|
|
1277 vv++;
|
|
|
1278
|
|
|
1279 ranges = (ngx_http_geo_range_t **) vv;
|
|
|
1280
|
|
|
1281 for (i = 0; i < 0x10000; i++) {
|
|
|
1282 ngx_crc32_update(&crc32, (u_char *) &ranges[i], sizeof(void *));
|
|
|
1283 if (ranges[i]) {
|
|
|
1284 ranges[i] = (ngx_http_geo_range_t *)
|
|
|
1285 ((u_char *) ranges[i] + (size_t) base);
|
|
|
1286 }
|
|
|
1287 }
|
|
|
1288
|
|
|
1289 range = (ngx_http_geo_range_t *) &ranges[0x10000];
|
|
|
1290
|
|
|
1291 while ((u_char *) range < base + size) {
|
|
|
1292 while (range->value) {
|
|
|
1293 ngx_crc32_update(&crc32, (u_char *) range,
|
|
|
1294 sizeof(ngx_http_geo_range_t));
|
|
|
1295 range->value = (ngx_http_variable_value_t *)
|
|
|
1296 ((u_char *) range->value + (size_t) base);
|
|
|
1297 range++;
|
|
|
1298 }
|
|
|
1299 ngx_crc32_update(&crc32, (u_char *) range, sizeof(void *));
|
|
|
1300 range = (ngx_http_geo_range_t *) ((u_char *) range + sizeof(void *));
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 ngx_crc32_final(crc32);
|
|
|
1304
|
|
|
1305 if (crc32 != header->crc32) {
|
|
|
1306 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1307 "CRC32 mismatch in binary geo range base \"%s\"", name->data);
|
|
|
1308 goto failed;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 ngx_conf_log_error(NGX_LOG_NOTICE, cf, 0,
|
|
|
1312 "using binary geo range base \"%s\"", name->data);
|
|
|
1313
|
|
|
1314 ctx->include_name = *name;
|
|
|
1315 ctx->binary_include = 1;
|
|
|
1316 ctx->high.low = ranges;
|
|
|
1317 rc = NGX_OK;
|
|
|
1318
|
|
|
1319 goto done;
|
|
|
1320
|
|
|
1321 failed:
|
|
|
1322
|
|
|
1323 rc = NGX_DECLINED;
|
|
|
1324
|
|
|
1325 done:
|
|
|
1326
|
|
|
1327 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1328 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
|
1329 ngx_close_file_n " \"%s\" failed", name->data);
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 return rc;
|
|
|
1333 }
|
|
|
1334
|
|
|
1335
|
|
|
1336 static void
|
|
|
1337 ngx_http_geo_create_binary_base(ngx_http_geo_conf_ctx_t *ctx)
|
|
|
1338 {
|
|
|
1339 u_char *p;
|
|
|
1340 uint32_t hash;
|
|
|
1341 ngx_str_t s;
|
|
|
1342 ngx_uint_t i;
|
|
|
1343 ngx_file_mapping_t fm;
|
|
|
1344 ngx_http_geo_range_t *r, *range, **ranges;
|
|
|
1345 ngx_http_geo_header_t *header;
|
|
|
1346 ngx_http_geo_variable_value_node_t *gvvn;
|
|
|
1347
|
|
|
1348 fm.name = ngx_pnalloc(ctx->temp_pool, ctx->include_name.len + 5);
|
|
|
1349 if (fm.name == NULL) {
|
|
|
1350 return;
|
|
|
1351 }
|
|
|
1352
|
|
|
1353 ngx_sprintf(fm.name, "%V.bin%Z", &ctx->include_name);
|
|
|
1354
|
|
|
1355 fm.size = ctx->data_size;
|
|
|
1356 fm.log = ctx->pool->log;
|
|
|
1357
|
|
|
1358 ngx_log_error(NGX_LOG_NOTICE, fm.log, 0,
|
|
|
1359 "creating binary geo range base \"%s\"", fm.name);
|
|
|
1360
|
|
|
1361 if (ngx_create_file_mapping(&fm) != NGX_OK) {
|
|
|
1362 return;
|
|
|
1363 }
|
|
|
1364
|
|
|
1365 p = ngx_cpymem(fm.addr, &ngx_http_geo_header,
|
|
|
1366 sizeof(ngx_http_geo_header_t));
|
|
|
1367
|
|
|
1368 p = ngx_http_geo_copy_values(fm.addr, p, ctx->rbtree.root,
|
|
|
1369 ctx->rbtree.sentinel);
|
|
|
1370
|
|
|
1371 p += sizeof(ngx_http_variable_value_t);
|
|
|
1372
|
|
|
1373 ranges = (ngx_http_geo_range_t **) p;
|
|
|
1374
|
|
|
1375 p += 0x10000 * sizeof(ngx_http_geo_range_t *);
|
|
|
1376
|
|
|
1377 for (i = 0; i < 0x10000; i++) {
|
|
|
1378 r = ctx->high.low[i];
|
|
|
1379 if (r == NULL) {
|
|
|
1380 continue;
|
|
|
1381 }
|
|
|
1382
|
|
|
1383 range = (ngx_http_geo_range_t *) p;
|
|
|
1384 ranges[i] = (ngx_http_geo_range_t *) (p - (u_char *) fm.addr);
|
|
|
1385
|
|
|
1386 do {
|
|
|
1387 s.len = r->value->len;
|
|
|
1388 s.data = r->value->data;
|
|
|
1389 hash = ngx_crc32_long(s.data, s.len);
|
|
|
1390 gvvn = (ngx_http_geo_variable_value_node_t *)
|
|
|
1391 ngx_str_rbtree_lookup(&ctx->rbtree, &s, hash);
|
|
|
1392
|
|
|
1393 range->value = (ngx_http_variable_value_t *) gvvn->offset;
|
|
|
1394 range->start = r->start;
|
|
|
1395 range->end = r->end;
|
|
|
1396 range++;
|
|
|
1397
|
|
|
1398 } while ((++r)->value);
|
|
|
1399
|
|
|
1400 range->value = NULL;
|
|
|
1401
|
|
|
1402 p = (u_char *) range + sizeof(void *);
|
|
|
1403 }
|
|
|
1404
|
|
|
1405 header = fm.addr;
|
|
|
1406 header->crc32 = ngx_crc32_long((u_char *) fm.addr
|
|
|
1407 + sizeof(ngx_http_geo_header_t),
|
|
|
1408 fm.size - sizeof(ngx_http_geo_header_t));
|
|
|
1409
|
|
|
1410 ngx_close_file_mapping(&fm);
|
|
|
1411 }
|
|
|
1412
|
|
|
1413
|
|
|
1414 static u_char *
|
|
|
1415 ngx_http_geo_copy_values(u_char *base, u_char *p, ngx_rbtree_node_t *node,
|
|
|
1416 ngx_rbtree_node_t *sentinel)
|
|
|
1417 {
|
|
|
1418 ngx_http_variable_value_t *vv;
|
|
|
1419 ngx_http_geo_variable_value_node_t *gvvn;
|
|
|
1420
|
|
|
1421 if (node == sentinel) {
|
|
|
1422 return p;
|
|
|
1423 }
|
|
|
1424
|
|
|
1425 gvvn = (ngx_http_geo_variable_value_node_t *) node;
|
|
|
1426 gvvn->offset = p - base;
|
|
|
1427
|
|
|
1428 vv = (ngx_http_variable_value_t *) p;
|
|
|
1429 *vv = *gvvn->value;
|
|
|
1430 p += sizeof(ngx_http_variable_value_t);
|
|
|
1431 vv->data = (u_char *) (p - base);
|
|
|
1432
|
|
|
1433 p = ngx_cpymem(p, gvvn->sn.str.data, gvvn->sn.str.len);
|
|
|
1434
|
|
|
1435 p = ngx_align_ptr(p, sizeof(void *));
|
|
|
1436
|
|
|
1437 p = ngx_http_geo_copy_values(base, p, node->left, sentinel);
|
|
|
1438
|
|
|
1439 return ngx_http_geo_copy_values(base, p, node->right, sentinel);
|
|
|
1440 }
|
