|
3241
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11 #include <GeoIP.h>
|
|
|
12 #include <GeoIPCity.h>
|
|
|
13
|
|
|
14
|
|
|
15 typedef struct {
|
|
|
16 GeoIP *country;
|
|
|
17 GeoIP *city;
|
|
|
18 } ngx_http_geoip_conf_t;
|
|
|
19
|
|
|
20
|
|
|
21 typedef struct {
|
|
|
22 ngx_str_t *name;
|
|
|
23 uintptr_t data;
|
|
|
24 } ngx_http_geoip_var_t;
|
|
|
25
|
|
|
26
|
|
|
27 typedef const char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, u_long addr);
|
|
|
28
|
|
|
29 static ngx_int_t ngx_http_geoip_country_variable(ngx_http_request_t *r,
|
|
|
30 ngx_http_variable_value_t *v, uintptr_t data);
|
|
|
31 static ngx_int_t ngx_http_geoip_city_variable(ngx_http_request_t *r,
|
|
|
32 ngx_http_variable_value_t *v, uintptr_t data);
|
|
|
33
|
|
|
34 static ngx_int_t ngx_http_geoip_add_variables(ngx_conf_t *cf);
|
|
|
35 static void *ngx_http_geoip_create_conf(ngx_conf_t *cf);
|
|
|
36 static char *ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
37 void *conf);
|
|
|
38 static char *ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
39 void *conf);
|
|
|
40 static void ngx_http_geoip_cleanup(void *data);
|
|
|
41
|
|
|
42
|
|
|
43 static ngx_command_t ngx_http_geoip_commands[] = {
|
|
|
44
|
|
|
45 { ngx_string("geoip_country"),
|
|
|
46 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
|
|
|
47 ngx_http_geoip_country,
|
|
|
48 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
|
49 0,
|
|
|
50 NULL },
|
|
|
51
|
|
|
52 { ngx_string("geoip_city"),
|
|
|
53 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
|
|
|
54 ngx_http_geoip_city,
|
|
|
55 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
|
56 0,
|
|
|
57 NULL },
|
|
|
58
|
|
|
59 ngx_null_command
|
|
|
60 };
|
|
|
61
|
|
|
62
|
|
|
63 static ngx_http_module_t ngx_http_geoip_module_ctx = {
|
|
|
64 ngx_http_geoip_add_variables, /* preconfiguration */
|
|
|
65 NULL, /* postconfiguration */
|
|
|
66
|
|
|
67 ngx_http_geoip_create_conf, /* create main configuration */
|
|
|
68 NULL, /* init main configuration */
|
|
|
69
|
|
|
70 NULL, /* create server configuration */
|
|
|
71 NULL, /* merge server configuration */
|
|
|
72
|
|
|
73 NULL, /* create location configuration */
|
|
|
74 NULL /* merge location configuration */
|
|
|
75 };
|
|
|
76
|
|
|
77
|
|
|
78 ngx_module_t ngx_http_geoip_module = {
|
|
|
79 NGX_MODULE_V1,
|
|
|
80 &ngx_http_geoip_module_ctx, /* module context */
|
|
|
81 ngx_http_geoip_commands, /* module directives */
|
|
|
82 NGX_HTTP_MODULE, /* module type */
|
|
|
83 NULL, /* init master */
|
|
|
84 NULL, /* init module */
|
|
|
85 NULL, /* init process */
|
|
|
86 NULL, /* init thread */
|
|
|
87 NULL, /* exit thread */
|
|
|
88 NULL, /* exit process */
|
|
|
89 NULL, /* exit master */
|
|
|
90 NGX_MODULE_V1_PADDING
|
|
|
91 };
|
|
|
92
|
|
|
93
|
|
|
94 static ngx_http_variable_t ngx_http_geoip_vars[] = {
|
|
|
95
|
|
|
96 { ngx_string("geoip_country_code"), NULL, ngx_http_geoip_country_variable,
|
|
|
97 (uintptr_t) GeoIP_country_code_by_ipnum, 0, 0 },
|
|
|
98
|
|
|
99 { ngx_string("geoip_country_code3"), NULL, ngx_http_geoip_country_variable,
|
|
|
100 (uintptr_t) GeoIP_country_code3_by_ipnum, 0, 0 },
|
|
|
101
|
|
|
102 { ngx_string("geoip_country_name"), NULL, ngx_http_geoip_country_variable,
|
|
|
103 (uintptr_t) GeoIP_country_name_by_ipnum, 0, 0 },
|
|
|
104
|
|
|
105 { ngx_string("geoip_city_country_code"), NULL, ngx_http_geoip_city_variable,
|
|
|
106 offsetof(GeoIPRecord, country_code), 0, 0 },
|
|
|
107
|
|
|
108 { ngx_string("geoip_city_country_code3"), NULL,
|
|
|
109 ngx_http_geoip_city_variable,
|
|
|
110 offsetof(GeoIPRecord, country_code3), 0, 0 },
|
|
|
111
|
|
|
112 { ngx_string("geoip_city_country_name"), NULL, ngx_http_geoip_city_variable,
|
|
|
113 offsetof(GeoIPRecord, country_name), 0, 0 },
|
|
|
114
|
|
|
115 { ngx_string("geoip_region"), NULL,
|
|
|
116 ngx_http_geoip_city_variable,
|
|
|
117 offsetof(GeoIPRecord, region), 0, 0 },
|
|
|
118
|
|
|
119 { ngx_string("geoip_city"), NULL,
|
|
|
120 ngx_http_geoip_city_variable,
|
|
|
121 offsetof(GeoIPRecord, city), 0, 0 },
|
|
|
122
|
|
|
123 { ngx_string("geoip_postal_code"), NULL,
|
|
|
124 ngx_http_geoip_city_variable,
|
|
|
125 offsetof(GeoIPRecord, postal_code), 0, 0 },
|
|
|
126
|
|
|
127 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
|
128 };
|
|
|
129
|
|
|
130
|
|
|
131 static ngx_int_t
|
|
|
132 ngx_http_geoip_country_variable(ngx_http_request_t *r,
|
|
|
133 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
134 {
|
|
|
135 ngx_http_geoip_variable_handler_pt handler =
|
|
|
136 (ngx_http_geoip_variable_handler_pt) data;
|
|
|
137
|
|
|
138 u_long addr;
|
|
|
139 const char *val;
|
|
|
140 struct sockaddr_in *sin;
|
|
|
141 ngx_http_geoip_conf_t *gcf;
|
|
|
142
|
|
|
143 gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module);
|
|
|
144
|
|
|
145 if (gcf->country == NULL) {
|
|
|
146 goto not_found;
|
|
|
147 }
|
|
|
148
|
|
|
149 if (r->connection->sockaddr->sa_family != AF_INET) {
|
|
|
150 goto not_found;
|
|
|
151 }
|
|
|
152
|
|
|
153 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
|
154 addr = ntohl(sin->sin_addr.s_addr);
|
|
|
155
|
|
|
156 val = handler(gcf->country, addr);
|
|
|
157
|
|
|
158 if (val == NULL) {
|
|
|
159 goto not_found;
|
|
|
160 }
|
|
|
161
|
|
|
162 v->len = ngx_strlen(val);
|
|
|
163 v->valid = 1;
|
|
|
164 v->no_cacheable = 0;
|
|
|
165 v->not_found = 0;
|
|
|
166 v->data = (u_char *) val;
|
|
|
167
|
|
|
168 return NGX_OK;
|
|
|
169
|
|
|
170 not_found:
|
|
|
171
|
|
|
172 v->not_found = 1;
|
|
|
173
|
|
|
174 return NGX_OK;
|
|
|
175 }
|
|
|
176
|
|
|
177
|
|
|
178 static ngx_int_t
|
|
|
179 ngx_http_geoip_city_variable(ngx_http_request_t *r,
|
|
|
180 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
181 {
|
|
|
182 u_long addr;
|
|
|
183 char *val;
|
|
|
184 size_t len;
|
|
|
185 GeoIPRecord *gr;
|
|
|
186 struct sockaddr_in *sin;
|
|
|
187 ngx_http_geoip_conf_t *gcf;
|
|
|
188
|
|
|
189 gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module);
|
|
|
190
|
|
|
191 if (gcf->city == NULL) {
|
|
|
192 goto not_found;
|
|
|
193 }
|
|
|
194
|
|
|
195 if (r->connection->sockaddr->sa_family != AF_INET) {
|
|
|
196 goto not_found;
|
|
|
197 }
|
|
|
198
|
|
|
199 sin = (struct sockaddr_in *) r->connection->sockaddr;
|
|
|
200 addr = ntohl(sin->sin_addr.s_addr);
|
|
|
201
|
|
|
202 gr = GeoIP_record_by_ipnum(gcf->city, addr);
|
|
|
203
|
|
|
204 if (gr == NULL) {
|
|
|
205 goto not_found;
|
|
|
206 }
|
|
|
207
|
|
|
208 val = *(char **) ((char *) gr + data);
|
|
|
209
|
|
|
210 if (val == NULL) {
|
|
|
211 goto no_value;
|
|
|
212 }
|
|
|
213
|
|
|
214 len = ngx_strlen(val);
|
|
|
215 v->data = ngx_pnalloc(r->pool, len);
|
|
|
216
|
|
|
217 if (v->data == NULL) {
|
|
|
218 GeoIPRecord_delete(gr);
|
|
|
219 return NGX_ERROR;
|
|
|
220 }
|
|
|
221
|
|
|
222 ngx_memcpy(v->data, val, len);
|
|
|
223
|
|
|
224 v->len = len;
|
|
|
225 v->valid = 1;
|
|
|
226 v->no_cacheable = 0;
|
|
|
227 v->not_found = 0;
|
|
|
228
|
|
|
229 GeoIPRecord_delete(gr);
|
|
|
230
|
|
|
231 return NGX_OK;
|
|
|
232
|
|
|
233 no_value:
|
|
|
234
|
|
|
235 GeoIPRecord_delete(gr);
|
|
|
236
|
|
|
237 not_found:
|
|
|
238
|
|
|
239 v->not_found = 1;
|
|
|
240
|
|
|
241 return NGX_OK;
|
|
|
242 }
|
|
|
243
|
|
|
244
|
|
|
245 static ngx_int_t
|
|
|
246 ngx_http_geoip_add_variables(ngx_conf_t *cf)
|
|
|
247 {
|
|
|
248 ngx_http_variable_t *var, *v;
|
|
|
249
|
|
|
250 for (v = ngx_http_geoip_vars; v->name.len; v++) {
|
|
|
251 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
252 if (var == NULL) {
|
|
|
253 return NGX_ERROR;
|
|
|
254 }
|
|
|
255
|
|
|
256 var->get_handler = v->get_handler;
|
|
|
257 var->data = v->data;
|
|
|
258 }
|
|
|
259
|
|
|
260 return NGX_OK;
|
|
|
261 }
|
|
|
262
|
|
|
263
|
|
|
264 static void *
|
|
|
265 ngx_http_geoip_create_conf(ngx_conf_t *cf)
|
|
|
266 {
|
|
|
267 ngx_pool_cleanup_t *cln;
|
|
|
268 ngx_http_geoip_conf_t *conf;
|
|
|
269
|
|
|
270 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_geoip_conf_t));
|
|
|
271 if (conf == NULL) {
|
|
|
272 return NULL;
|
|
|
273 }
|
|
|
274
|
|
|
275 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
276 if (cln == NULL) {
|
|
|
277 return NULL;
|
|
|
278 }
|
|
|
279
|
|
|
280 cln->handler = ngx_http_geoip_cleanup;
|
|
|
281 cln->data = conf;
|
|
|
282
|
|
|
283 return conf;
|
|
|
284 }
|
|
|
285
|
|
|
286
|
|
|
287 static char *
|
|
|
288 ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
289 {
|
|
|
290 ngx_http_geoip_conf_t *gcf = conf;
|
|
|
291
|
|
|
292 ngx_str_t *value;
|
|
|
293
|
|
|
294 if (gcf->country) {
|
|
|
295 return "is duplicate";
|
|
|
296 }
|
|
|
297
|
|
|
298 value = cf->args->elts;
|
|
|
299
|
|
|
300 gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE);
|
|
|
301
|
|
|
302 if (gcf->country == NULL) {
|
|
|
303 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
304 "GeoIO_open(\"%V\") failed", &value[1]);
|
|
|
305
|
|
|
306 return NGX_CONF_ERROR;
|
|
|
307 }
|
|
|
308
|
|
|
309 switch (gcf->country->databaseType) {
|
|
|
310
|
|
|
311 case GEOIP_COUNTRY_EDITION:
|
|
|
312 case GEOIP_PROXY_EDITION:
|
|
|
313 case GEOIP_NETSPEED_EDITION:
|
|
|
314
|
|
|
315 return NGX_CONF_OK;
|
|
|
316
|
|
|
317 default:
|
|
|
318 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
319 "invalid GeoIP database \"%V\" type:%d",
|
|
|
320 &value[1], gcf->country->databaseType);
|
|
|
321 return NGX_CONF_ERROR;
|
|
|
322 }
|
|
|
323 }
|
|
|
324
|
|
|
325
|
|
|
326 static char *
|
|
|
327 ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
328 {
|
|
|
329 ngx_http_geoip_conf_t *gcf = conf;
|
|
|
330
|
|
|
331 ngx_str_t *value;
|
|
|
332
|
|
|
333 if (gcf->city) {
|
|
|
334 return "is duplicate";
|
|
|
335 }
|
|
|
336
|
|
|
337 value = cf->args->elts;
|
|
|
338
|
|
|
339 gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE);
|
|
|
340
|
|
|
341 if (gcf->city == NULL) {
|
|
|
342 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
343 "GeoIO_open(\"%V\") failed", &value[1]);
|
|
|
344
|
|
|
345 return NGX_CONF_ERROR;
|
|
|
346 }
|
|
|
347
|
|
|
348 switch (gcf->city->databaseType) {
|
|
|
349
|
|
|
350 case GEOIP_CITY_EDITION_REV0:
|
|
|
351 case GEOIP_CITY_EDITION_REV1:
|
|
|
352
|
|
|
353 return NGX_CONF_OK;
|
|
|
354
|
|
|
355 default:
|
|
|
356 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
357 "invalid GeoIP City database \"%V\" type:%d",
|
|
|
358 &value[1], gcf->city->databaseType);
|
|
|
359 return NGX_CONF_ERROR;
|
|
|
360 }
|
|
|
361 }
|
|
|
362
|
|
|
363
|
|
|
364 static void
|
|
|
365 ngx_http_geoip_cleanup(void *data)
|
|
|
366 {
|
|
|
367 ngx_http_geoip_conf_t *gcf = data;
|
|
|
368
|
|
|
369 if (gcf->country) {
|
|
|
370 GeoIP_delete(gcf->country);
|
|
|
371 }
|
|
|
372
|
|
|
373 if (gcf->city) {
|
|
|
374 GeoIP_delete(gcf->city);
|
|
|
375 }
|
|
|
376 }
|
