Mercurial > hg > nginx
annotate src/http/modules/ngx_http_geoip_module.c @ 4649:95d93f7e6fa2
geoip: got rid of ugly casts when calling ngx_free().
This is done by removing the "const" qualifier from the common return
type of handler functions returning either "const char *" or "char *".
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Tue, 29 May 2012 09:19:51 +0000 |
parents | 70296867c740 |
children | f57154322e0e |
rev | line source |
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2985 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
2985 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 #include <GeoIP.h> | |
13 #include <GeoIPCity.h> | |
14 | |
15 | |
16 typedef struct { | |
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17 GeoIP *country; |
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18 GeoIP *org; |
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19 GeoIP *city; |
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20 ngx_array_t *proxies; /* array of ngx_cidr_t */ |
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21 ngx_flag_t proxy_recursive; |
2985 | 22 } ngx_http_geoip_conf_t; |
23 | |
24 | |
25 typedef struct { | |
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26 ngx_str_t *name; |
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27 uintptr_t data; |
2985 | 28 } ngx_http_geoip_var_t; |
29 | |
30 | |
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31 typedef char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, u_long addr); |
2985 | 32 |
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33 static u_long ngx_http_geoip_addr(ngx_http_request_t *r, |
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34 ngx_http_geoip_conf_t *gcf); |
2985 | 35 static ngx_int_t ngx_http_geoip_country_variable(ngx_http_request_t *r, |
36 ngx_http_variable_value_t *v, uintptr_t data); | |
3915 | 37 static ngx_int_t ngx_http_geoip_org_variable(ngx_http_request_t *r, |
38 ngx_http_variable_value_t *v, uintptr_t data); | |
2985 | 39 static ngx_int_t ngx_http_geoip_city_variable(ngx_http_request_t *r, |
40 ngx_http_variable_value_t *v, uintptr_t data); | |
3737 | 41 static ngx_int_t ngx_http_geoip_region_name_variable(ngx_http_request_t *r, |
42 ngx_http_variable_value_t *v, uintptr_t data); | |
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43 static ngx_int_t ngx_http_geoip_city_float_variable(ngx_http_request_t *r, |
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44 ngx_http_variable_value_t *v, uintptr_t data); |
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45 static ngx_int_t ngx_http_geoip_city_int_variable(ngx_http_request_t *r, |
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46 ngx_http_variable_value_t *v, uintptr_t data); |
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47 static GeoIPRecord *ngx_http_geoip_get_city_record(ngx_http_request_t *r); |
2985 | 48 |
49 static ngx_int_t ngx_http_geoip_add_variables(ngx_conf_t *cf); | |
50 static void *ngx_http_geoip_create_conf(ngx_conf_t *cf); | |
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51 static char *ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf); |
2985 | 52 static char *ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, |
53 void *conf); | |
3915 | 54 static char *ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, |
55 void *conf); | |
2985 | 56 static char *ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, |
57 void *conf); | |
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58 static char *ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, |
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59 void *conf); |
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60 static ngx_int_t ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, |
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61 ngx_cidr_t *cidr); |
2985 | 62 static void ngx_http_geoip_cleanup(void *data); |
63 | |
64 | |
65 static ngx_command_t ngx_http_geoip_commands[] = { | |
66 | |
67 { ngx_string("geoip_country"), | |
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68 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, |
2985 | 69 ngx_http_geoip_country, |
70 NGX_HTTP_MAIN_CONF_OFFSET, | |
71 0, | |
72 NULL }, | |
73 | |
3915 | 74 { ngx_string("geoip_org"), |
75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, | |
76 ngx_http_geoip_org, | |
77 NGX_HTTP_MAIN_CONF_OFFSET, | |
78 0, | |
79 NULL }, | |
80 | |
2985 | 81 { ngx_string("geoip_city"), |
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82 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, |
2985 | 83 ngx_http_geoip_city, |
84 NGX_HTTP_MAIN_CONF_OFFSET, | |
85 0, | |
86 NULL }, | |
87 | |
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88 { ngx_string("geoip_proxy"), |
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89 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, |
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90 ngx_http_geoip_proxy, |
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91 NGX_HTTP_MAIN_CONF_OFFSET, |
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92 0, |
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93 NULL }, |
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94 |
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95 { ngx_string("geoip_proxy_recursive"), |
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96 NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG, |
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97 ngx_conf_set_flag_slot, |
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98 NGX_HTTP_MAIN_CONF_OFFSET, |
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99 offsetof(ngx_http_geoip_conf_t, proxy_recursive), |
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100 NULL }, |
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101 |
2985 | 102 ngx_null_command |
103 }; | |
104 | |
105 | |
106 static ngx_http_module_t ngx_http_geoip_module_ctx = { | |
107 ngx_http_geoip_add_variables, /* preconfiguration */ | |
108 NULL, /* postconfiguration */ | |
109 | |
110 ngx_http_geoip_create_conf, /* create main configuration */ | |
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111 ngx_http_geoip_init_conf, /* init main configuration */ |
2985 | 112 |
113 NULL, /* create server configuration */ | |
114 NULL, /* merge server configuration */ | |
115 | |
116 NULL, /* create location configuration */ | |
117 NULL /* merge location configuration */ | |
118 }; | |
119 | |
120 | |
121 ngx_module_t ngx_http_geoip_module = { | |
122 NGX_MODULE_V1, | |
123 &ngx_http_geoip_module_ctx, /* module context */ | |
124 ngx_http_geoip_commands, /* module directives */ | |
125 NGX_HTTP_MODULE, /* module type */ | |
126 NULL, /* init master */ | |
127 NULL, /* init module */ | |
128 NULL, /* init process */ | |
129 NULL, /* init thread */ | |
130 NULL, /* exit thread */ | |
131 NULL, /* exit process */ | |
132 NULL, /* exit master */ | |
133 NGX_MODULE_V1_PADDING | |
134 }; | |
135 | |
136 | |
137 static ngx_http_variable_t ngx_http_geoip_vars[] = { | |
138 | |
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139 { ngx_string("geoip_country_code"), NULL, |
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140 ngx_http_geoip_country_variable, |
2985 | 141 (uintptr_t) GeoIP_country_code_by_ipnum, 0, 0 }, |
142 | |
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143 { ngx_string("geoip_country_code3"), NULL, |
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144 ngx_http_geoip_country_variable, |
2985 | 145 (uintptr_t) GeoIP_country_code3_by_ipnum, 0, 0 }, |
146 | |
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147 { ngx_string("geoip_country_name"), NULL, |
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148 ngx_http_geoip_country_variable, |
2985 | 149 (uintptr_t) GeoIP_country_name_by_ipnum, 0, 0 }, |
150 | |
3915 | 151 { ngx_string("geoip_org"), NULL, |
152 ngx_http_geoip_org_variable, | |
153 (uintptr_t) GeoIP_name_by_ipnum, 0, 0 }, | |
154 | |
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155 { ngx_string("geoip_city_continent_code"), NULL, |
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156 ngx_http_geoip_city_variable, |
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157 offsetof(GeoIPRecord, continent_code), 0, 0 }, |
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158 |
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159 { ngx_string("geoip_city_country_code"), NULL, |
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160 ngx_http_geoip_city_variable, |
2985 | 161 offsetof(GeoIPRecord, country_code), 0, 0 }, |
162 | |
163 { ngx_string("geoip_city_country_code3"), NULL, | |
164 ngx_http_geoip_city_variable, | |
165 offsetof(GeoIPRecord, country_code3), 0, 0 }, | |
166 | |
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167 { ngx_string("geoip_city_country_name"), NULL, |
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168 ngx_http_geoip_city_variable, |
2985 | 169 offsetof(GeoIPRecord, country_name), 0, 0 }, |
170 | |
171 { ngx_string("geoip_region"), NULL, | |
172 ngx_http_geoip_city_variable, | |
173 offsetof(GeoIPRecord, region), 0, 0 }, | |
174 | |
3737 | 175 { ngx_string("geoip_region_name"), NULL, |
176 ngx_http_geoip_region_name_variable, | |
177 0, 0, 0 }, | |
178 | |
2985 | 179 { ngx_string("geoip_city"), NULL, |
180 ngx_http_geoip_city_variable, | |
181 offsetof(GeoIPRecord, city), 0, 0 }, | |
182 | |
183 { ngx_string("geoip_postal_code"), NULL, | |
184 ngx_http_geoip_city_variable, | |
185 offsetof(GeoIPRecord, postal_code), 0, 0 }, | |
186 | |
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187 { ngx_string("geoip_latitude"), NULL, |
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188 ngx_http_geoip_city_float_variable, |
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189 offsetof(GeoIPRecord, latitude), 0, 0 }, |
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190 |
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191 { ngx_string("geoip_longitude"), NULL, |
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192 ngx_http_geoip_city_float_variable, |
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193 offsetof(GeoIPRecord, longitude), 0, 0 }, |
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194 |
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195 { ngx_string("geoip_dma_code"), NULL, |
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196 ngx_http_geoip_city_int_variable, |
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197 offsetof(GeoIPRecord, dma_code), 0, 0 }, |
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198 |
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199 { ngx_string("geoip_area_code"), NULL, |
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200 ngx_http_geoip_city_int_variable, |
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201 offsetof(GeoIPRecord, area_code), 0, 0 }, |
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202 |
2985 | 203 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
204 }; | |
205 | |
206 | |
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207 static u_long |
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208 ngx_http_geoip_addr(ngx_http_request_t *r, ngx_http_geoip_conf_t *gcf) |
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209 { |
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210 ngx_addr_t addr; |
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211 ngx_table_elt_t *xfwd; |
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212 struct sockaddr_in *sin; |
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213 |
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214 addr.sockaddr = r->connection->sockaddr; |
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215 addr.socklen = r->connection->socklen; |
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216 /* addr.name = r->connection->addr_text; */ |
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217 |
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218 xfwd = r->headers_in.x_forwarded_for; |
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219 |
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220 if (xfwd != NULL && gcf->proxies != NULL) { |
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221 (void) ngx_http_get_forwarded_addr(r, &addr, xfwd->value.data, |
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222 xfwd->value.len, gcf->proxies, |
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223 gcf->proxy_recursive); |
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224 } |
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225 |
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226 #if (NGX_HAVE_INET6) |
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227 |
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228 if (addr.sockaddr->sa_family == AF_INET6) { |
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229 struct in6_addr *inaddr6; |
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230 |
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231 inaddr6 = &((struct sockaddr_in6 *) addr.sockaddr)->sin6_addr; |
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232 |
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233 if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { |
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234 return ntohl(*(in_addr_t *) &inaddr6->s6_addr[12]); |
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235 } |
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236 } |
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237 |
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238 #endif |
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239 |
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240 if (addr.sockaddr->sa_family != AF_INET) { |
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241 return INADDR_NONE; |
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242 } |
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243 |
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244 sin = (struct sockaddr_in *) addr.sockaddr; |
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245 return ntohl(sin->sin_addr.s_addr); |
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246 } |
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247 |
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248 |
2985 | 249 static ngx_int_t |
250 ngx_http_geoip_country_variable(ngx_http_request_t *r, | |
251 ngx_http_variable_value_t *v, uintptr_t data) | |
252 { | |
253 ngx_http_geoip_variable_handler_pt handler = | |
254 (ngx_http_geoip_variable_handler_pt) data; | |
255 | |
256 const char *val; | |
257 ngx_http_geoip_conf_t *gcf; | |
258 | |
259 gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); | |
260 | |
261 if (gcf->country == NULL) { | |
262 goto not_found; | |
263 } | |
264 | |
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265 val = handler(gcf->country, ngx_http_geoip_addr(r, gcf)); |
2985 | 266 |
267 if (val == NULL) { | |
268 goto not_found; | |
269 } | |
270 | |
271 v->len = ngx_strlen(val); | |
272 v->valid = 1; | |
273 v->no_cacheable = 0; | |
274 v->not_found = 0; | |
275 v->data = (u_char *) val; | |
276 | |
277 return NGX_OK; | |
278 | |
279 not_found: | |
280 | |
281 v->not_found = 1; | |
282 | |
283 return NGX_OK; | |
284 } | |
285 | |
286 | |
287 static ngx_int_t | |
3915 | 288 ngx_http_geoip_org_variable(ngx_http_request_t *r, |
289 ngx_http_variable_value_t *v, uintptr_t data) | |
290 { | |
291 ngx_http_geoip_variable_handler_pt handler = | |
292 (ngx_http_geoip_variable_handler_pt) data; | |
293 | |
4647
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Fixed memory leak if $geoip_org variable was used.
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294 size_t len; |
4649
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295 char *val; |
3915 | 296 ngx_http_geoip_conf_t *gcf; |
297 | |
298 gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); | |
299 | |
300 if (gcf->org == NULL) { | |
301 goto not_found; | |
302 } | |
303 | |
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304 val = handler(gcf->org, ngx_http_geoip_addr(r, gcf)); |
3915 | 305 |
306 if (val == NULL) { | |
307 goto not_found; | |
308 } | |
309 | |
4647
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Fixed memory leak if $geoip_org variable was used.
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310 len = ngx_strlen(val); |
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311 v->data = ngx_pnalloc(r->pool, len); |
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312 if (v->data == NULL) { |
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313 ngx_free(val); |
4647
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314 return NGX_ERROR; |
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315 } |
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316 |
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317 ngx_memcpy(v->data, val, len); |
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318 |
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319 v->len = len; |
3915 | 320 v->valid = 1; |
321 v->no_cacheable = 0; | |
322 v->not_found = 0; | |
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323 |
4649
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|
324 ngx_free(val); |
3915 | 325 |
326 return NGX_OK; | |
327 | |
328 not_found: | |
329 | |
330 v->not_found = 1; | |
331 | |
332 return NGX_OK; | |
333 } | |
334 | |
335 | |
336 static ngx_int_t | |
2985 | 337 ngx_http_geoip_city_variable(ngx_http_request_t *r, |
338 ngx_http_variable_value_t *v, uintptr_t data) | |
339 { | |
3398
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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340 char *val; |
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341 size_t len; |
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342 GeoIPRecord *gr; |
2985 | 343 |
3398
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344 gr = ngx_http_geoip_get_city_record(r); |
2985 | 345 if (gr == NULL) { |
346 goto not_found; | |
347 } | |
348 | |
349 val = *(char **) ((char *) gr + data); | |
350 if (val == NULL) { | |
3031
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|
351 goto no_value; |
2985 | 352 } |
353 | |
3031
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354 len = ngx_strlen(val); |
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355 v->data = ngx_pnalloc(r->pool, len); |
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diff
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|
356 if (v->data == NULL) { |
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357 GeoIPRecord_delete(gr); |
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358 return NGX_ERROR; |
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|
359 } |
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diff
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|
360 |
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361 ngx_memcpy(v->data, val, len); |
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diff
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|
362 |
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diff
changeset
|
363 v->len = len; |
2985 | 364 v->valid = 1; |
365 v->no_cacheable = 0; | |
366 v->not_found = 0; | |
3031
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|
367 |
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diff
changeset
|
368 GeoIPRecord_delete(gr); |
2985 | 369 |
370 return NGX_OK; | |
371 | |
3031
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diff
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|
372 no_value: |
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diff
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|
373 |
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374 GeoIPRecord_delete(gr); |
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diff
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|
375 |
2985 | 376 not_found: |
377 | |
378 v->not_found = 1; | |
379 | |
380 return NGX_OK; | |
381 } | |
382 | |
383 | |
384 static ngx_int_t | |
3737 | 385 ngx_http_geoip_region_name_variable(ngx_http_request_t *r, |
386 ngx_http_variable_value_t *v, uintptr_t data) | |
387 { | |
388 size_t len; | |
389 const char *val; | |
390 GeoIPRecord *gr; | |
391 | |
392 gr = ngx_http_geoip_get_city_record(r); | |
393 if (gr == NULL) { | |
394 goto not_found; | |
395 } | |
396 | |
397 val = GeoIP_region_name_by_code(gr->country_code, gr->region); | |
3742
01691af60f94
we can free GeoIPRecord just after GeoIP_region_name_by_code(),
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3741
diff
changeset
|
398 |
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we can free GeoIPRecord just after GeoIP_region_name_by_code(),
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3741
diff
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|
399 GeoIPRecord_delete(gr); |
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3741
diff
changeset
|
400 |
3741
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fix segfault, the bug has been introduced in r3738
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3737
diff
changeset
|
401 if (val == NULL) { |
3742
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we can free GeoIPRecord just after GeoIP_region_name_by_code(),
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3741
diff
changeset
|
402 goto not_found; |
3741
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fix segfault, the bug has been introduced in r3738
Igor Sysoev <igor@sysoev.ru>
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3737
diff
changeset
|
403 } |
3737 | 404 |
405 len = ngx_strlen(val); | |
406 v->data = ngx_pnalloc(r->pool, len); | |
407 if (v->data == NULL) { | |
408 return NGX_ERROR; | |
409 } | |
410 | |
411 ngx_memcpy(v->data, val, len); | |
412 | |
413 v->len = len; | |
414 v->valid = 1; | |
415 v->no_cacheable = 0; | |
416 v->not_found = 0; | |
417 | |
418 return NGX_OK; | |
419 | |
420 not_found: | |
421 | |
422 v->not_found = 1; | |
423 | |
424 return NGX_OK; | |
425 } | |
426 | |
427 | |
428 static ngx_int_t | |
3398
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
429 ngx_http_geoip_city_float_variable(ngx_http_request_t *r, |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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diff
changeset
|
430 ngx_http_variable_value_t *v, uintptr_t data) |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
431 { |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
432 float val; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
433 GeoIPRecord *gr; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
434 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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parents:
3031
diff
changeset
|
435 gr = ngx_http_geoip_get_city_record(r); |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
436 if (gr == NULL) { |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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parents:
3031
diff
changeset
|
437 v->not_found = 1; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
438 return NGX_OK; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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3031
diff
changeset
|
439 } |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
Igor Sysoev <igor@sysoev.ru>
parents:
3031
diff
changeset
|
440 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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changeset
|
441 v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN + 5); |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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changeset
|
442 if (v->data == NULL) { |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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diff
changeset
|
443 GeoIPRecord_delete(gr); |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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diff
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|
444 return NGX_ERROR; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
445 } |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
446 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
447 val = *(float *) ((char *) gr + data); |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
448 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
449 v->len = ngx_sprintf(v->data, "%.4f", val) - v->data; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
450 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
451 GeoIPRecord_delete(gr); |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
452 |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
453 return NGX_OK; |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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454 } |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
455 |
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
456 |
3736
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$geoip_dma_code and $geoip_area_code
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|
457 static ngx_int_t |
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458 ngx_http_geoip_city_int_variable(ngx_http_request_t *r, |
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459 ngx_http_variable_value_t *v, uintptr_t data) |
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460 { |
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461 int val; |
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462 GeoIPRecord *gr; |
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|
463 |
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$geoip_dma_code and $geoip_area_code
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464 gr = ngx_http_geoip_get_city_record(r); |
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465 if (gr == NULL) { |
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$geoip_dma_code and $geoip_area_code
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466 v->not_found = 1; |
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$geoip_dma_code and $geoip_area_code
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467 return NGX_OK; |
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|
468 } |
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$geoip_dma_code and $geoip_area_code
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|
469 |
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$geoip_dma_code and $geoip_area_code
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|
470 v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN); |
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471 if (v->data == NULL) { |
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$geoip_dma_code and $geoip_area_code
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|
472 GeoIPRecord_delete(gr); |
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$geoip_dma_code and $geoip_area_code
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473 return NGX_ERROR; |
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|
474 } |
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$geoip_dma_code and $geoip_area_code
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|
475 |
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|
476 val = *(int *) ((char *) gr + data); |
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|
477 |
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478 v->len = ngx_sprintf(v->data, "%d", val) - v->data; |
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479 |
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480 GeoIPRecord_delete(gr); |
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|
481 |
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$geoip_dma_code and $geoip_area_code
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482 return NGX_OK; |
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|
483 } |
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$geoip_dma_code and $geoip_area_code
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|
484 |
257785918797
$geoip_dma_code and $geoip_area_code
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changeset
|
485 |
3398
236634d2b603
$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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diff
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|
486 static GeoIPRecord * |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
487 ngx_http_geoip_get_city_record(ngx_http_request_t *r) |
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|
488 { |
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489 ngx_http_geoip_conf_t *gcf; |
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490 |
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491 gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); |
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|
492 |
3919
0dceaa117e0d
support IPv4 mapped to IPv6 in geoip module
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|
493 if (gcf->city) { |
4627
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geoip: trusted proxies support and partial IPv6 support.
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494 return GeoIP_record_by_ipnum(gcf->city, ngx_http_geoip_addr(r, gcf)); |
3398
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
495 } |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
496 |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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497 return NULL; |
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498 } |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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|
499 |
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$geoip_city_continent_code, $geoip_latitude, $geoip_longitude
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500 |
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|
501 static ngx_int_t |
2985 | 502 ngx_http_geoip_add_variables(ngx_conf_t *cf) |
503 { | |
504 ngx_http_variable_t *var, *v; | |
505 | |
506 for (v = ngx_http_geoip_vars; v->name.len; v++) { | |
507 var = ngx_http_add_variable(cf, &v->name, v->flags); | |
508 if (var == NULL) { | |
509 return NGX_ERROR; | |
510 } | |
511 | |
512 var->get_handler = v->get_handler; | |
513 var->data = v->data; | |
514 } | |
515 | |
516 return NGX_OK; | |
517 } | |
518 | |
519 | |
520 static void * | |
521 ngx_http_geoip_create_conf(ngx_conf_t *cf) | |
522 { | |
523 ngx_pool_cleanup_t *cln; | |
524 ngx_http_geoip_conf_t *conf; | |
525 | |
526 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_geoip_conf_t)); | |
527 if (conf == NULL) { | |
528 return NULL; | |
529 } | |
530 | |
4627
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|
531 conf->proxy_recursive = NGX_CONF_UNSET; |
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532 |
2985 | 533 cln = ngx_pool_cleanup_add(cf->pool, 0); |
534 if (cln == NULL) { | |
535 return NULL; | |
536 } | |
537 | |
538 cln->handler = ngx_http_geoip_cleanup; | |
539 cln->data = conf; | |
540 | |
541 return conf; | |
542 } | |
543 | |
544 | |
545 static char * | |
4627
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|
546 ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf) |
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|
547 { |
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geoip: trusted proxies support and partial IPv6 support.
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|
548 ngx_http_geoip_conf_t *gcf = conf; |
3152e4c371d7
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|
549 |
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|
550 ngx_conf_init_value(gcf->proxy_recursive, 0); |
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|
551 |
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|
552 return NGX_CONF_OK; |
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|
553 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
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|
554 |
3152e4c371d7
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Ruslan Ermilov <ru@nginx.com>
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changeset
|
555 |
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|
556 static char * |
2985 | 557 ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
558 { | |
559 ngx_http_geoip_conf_t *gcf = conf; | |
560 | |
561 ngx_str_t *value; | |
562 | |
563 if (gcf->country) { | |
564 return "is duplicate"; | |
565 } | |
566 | |
567 value = cf->args->elts; | |
568 | |
569 gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); | |
570 | |
571 if (gcf->country == NULL) { | |
572 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3914 | 573 "GeoIP_open(\"%V\") failed", &value[1]); |
2985 | 574 |
575 return NGX_CONF_ERROR; | |
576 } | |
577 | |
3859
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|
578 if (cf->args->nelts == 3) { |
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|
579 if (ngx_strcmp(value[2].data, "utf8") == 0) { |
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|
580 GeoIP_set_charset (gcf->country, GEOIP_CHARSET_UTF8); |
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|
581 |
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|
582 } else { |
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|
583 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
584 "invalid parameter \"%V\"", &value[2]); |
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|
585 return NGX_CONF_ERROR; |
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|
586 } |
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|
587 } |
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|
588 |
2985 | 589 switch (gcf->country->databaseType) { |
590 | |
591 case GEOIP_COUNTRY_EDITION: | |
592 case GEOIP_PROXY_EDITION: | |
593 case GEOIP_NETSPEED_EDITION: | |
594 | |
595 return NGX_CONF_OK; | |
596 | |
597 default: | |
598 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
599 "invalid GeoIP database \"%V\" type:%d", | |
600 &value[1], gcf->country->databaseType); | |
601 return NGX_CONF_ERROR; | |
602 } | |
603 } | |
604 | |
605 | |
606 static char * | |
3915 | 607 ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
608 { | |
609 ngx_http_geoip_conf_t *gcf = conf; | |
610 | |
611 ngx_str_t *value; | |
612 | |
613 if (gcf->org) { | |
614 return "is duplicate"; | |
615 } | |
616 | |
617 value = cf->args->elts; | |
618 | |
619 gcf->org = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); | |
620 | |
621 if (gcf->org == NULL) { | |
622 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
623 "GeoIP_open(\"%V\") failed", &value[1]); | |
624 | |
625 return NGX_CONF_ERROR; | |
626 } | |
627 | |
628 if (cf->args->nelts == 3) { | |
629 if (ngx_strcmp(value[2].data, "utf8") == 0) { | |
630 GeoIP_set_charset (gcf->org, GEOIP_CHARSET_UTF8); | |
631 | |
632 } else { | |
633 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
634 "invalid parameter \"%V\"", &value[2]); | |
635 return NGX_CONF_ERROR; | |
636 } | |
637 } | |
638 | |
639 switch (gcf->org->databaseType) { | |
640 | |
641 case GEOIP_ISP_EDITION: | |
642 case GEOIP_ORG_EDITION: | |
643 case GEOIP_DOMAIN_EDITION: | |
644 case GEOIP_ASNUM_EDITION: | |
645 | |
646 return NGX_CONF_OK; | |
647 | |
648 default: | |
649 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
650 "invalid GeoIP database \"%V\" type:%d", | |
651 &value[1], gcf->org->databaseType); | |
652 return NGX_CONF_ERROR; | |
653 } | |
654 } | |
655 | |
656 | |
657 static char * | |
2985 | 658 ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
659 { | |
660 ngx_http_geoip_conf_t *gcf = conf; | |
661 | |
662 ngx_str_t *value; | |
663 | |
664 if (gcf->city) { | |
665 return "is duplicate"; | |
666 } | |
667 | |
668 value = cf->args->elts; | |
669 | |
670 gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); | |
671 | |
672 if (gcf->city == NULL) { | |
673 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
3914 | 674 "GeoIP_open(\"%V\") failed", &value[1]); |
2985 | 675 |
676 return NGX_CONF_ERROR; | |
677 } | |
678 | |
3859
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679 if (cf->args->nelts == 3) { |
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680 if (ngx_strcmp(value[2].data, "utf8") == 0) { |
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681 GeoIP_set_charset (gcf->city, GEOIP_CHARSET_UTF8); |
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682 |
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683 } else { |
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684 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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685 "invalid parameter \"%V\"", &value[2]); |
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|
686 return NGX_CONF_ERROR; |
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687 } |
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|
688 } |
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|
689 |
2985 | 690 switch (gcf->city->databaseType) { |
691 | |
692 case GEOIP_CITY_EDITION_REV0: | |
693 case GEOIP_CITY_EDITION_REV1: | |
694 | |
695 return NGX_CONF_OK; | |
696 | |
697 default: | |
698 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
699 "invalid GeoIP City database \"%V\" type:%d", | |
700 &value[1], gcf->city->databaseType); | |
701 return NGX_CONF_ERROR; | |
702 } | |
703 } | |
704 | |
705 | |
4627
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706 static char * |
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707 ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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708 { |
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709 ngx_http_geoip_conf_t *gcf = conf; |
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710 |
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711 ngx_str_t *value; |
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712 ngx_cidr_t cidr, *c; |
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713 |
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714 value = cf->args->elts; |
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|
715 |
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716 if (ngx_http_geoip_cidr_value(cf, &value[1], &cidr) != NGX_OK) { |
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diff
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|
717 return NGX_CONF_ERROR; |
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|
718 } |
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diff
changeset
|
719 |
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diff
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|
720 if (gcf->proxies == NULL) { |
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|
721 gcf->proxies = ngx_array_create(cf->pool, 4, sizeof(ngx_cidr_t)); |
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722 if (gcf->proxies == NULL) { |
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diff
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|
723 return NGX_CONF_ERROR; |
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diff
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|
724 } |
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geoip: trusted proxies support and partial IPv6 support.
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diff
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|
725 } |
3152e4c371d7
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diff
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|
726 |
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|
727 c = ngx_array_push(gcf->proxies); |
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diff
changeset
|
728 if (c == NULL) { |
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geoip: trusted proxies support and partial IPv6 support.
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diff
changeset
|
729 return NGX_CONF_ERROR; |
3152e4c371d7
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diff
changeset
|
730 } |
3152e4c371d7
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diff
changeset
|
731 |
3152e4c371d7
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diff
changeset
|
732 *c = cidr; |
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geoip: trusted proxies support and partial IPv6 support.
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diff
changeset
|
733 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
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diff
changeset
|
734 return NGX_CONF_OK; |
3152e4c371d7
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diff
changeset
|
735 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
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diff
changeset
|
736 |
3152e4c371d7
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diff
changeset
|
737 static ngx_int_t |
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diff
changeset
|
738 ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, ngx_cidr_t *cidr) |
3152e4c371d7
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diff
changeset
|
739 { |
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diff
changeset
|
740 ngx_int_t rc; |
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diff
changeset
|
741 |
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geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
742 if (ngx_strcmp(net->data, "255.255.255.255") == 0) { |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
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parents:
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diff
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|
743 cidr->family = AF_INET; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
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parents:
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diff
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|
744 cidr->u.in.addr = 0xffffffff; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
745 cidr->u.in.mask = 0xffffffff; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
746 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
747 return NGX_OK; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
748 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
749 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
750 rc = ngx_ptocidr(net, cidr); |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
751 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
752 if (rc == NGX_ERROR) { |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
753 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid network \"%V\"", net); |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
754 return NGX_ERROR; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
755 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
756 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
757 if (rc == NGX_DONE) { |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
758 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
759 "low address bits of %V are meaningless", net); |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
760 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
761 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
762 return NGX_OK; |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
763 } |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
764 |
3152e4c371d7
geoip: trusted proxies support and partial IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
765 |
2985 | 766 static void |
767 ngx_http_geoip_cleanup(void *data) | |
768 { | |
769 ngx_http_geoip_conf_t *gcf = data; | |
770 | |
771 if (gcf->country) { | |
772 GeoIP_delete(gcf->country); | |
773 } | |
774 | |
3915 | 775 if (gcf->org) { |
776 GeoIP_delete(gcf->org); | |
777 } | |
778 | |
2985 | 779 if (gcf->city) { |
780 GeoIP_delete(gcf->city); | |
781 } | |
782 } |