Tor  0.4.4.0-alpha-dev
getinfo_geoip.c
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1 /* Copyright (c) 2001-2004, Roger Dingledine.
2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
3  * Copyright (c) 2007-2020, The Tor Project, Inc. */
4 /* See LICENSE for licensing information */
5 
6 /**
7  * @file getinfo_geoip.c
8  * @brief GEOIP-related contoller GETINFO commands.
9  **/
10 
11 #include "core/or/or.h"
15 #include "lib/geoip/geoip.h"
16 
17 /** Helper used to implement GETINFO ip-to-country/... controller command. */
18 int
20  const char *question, char **answer,
21  const char **errmsg)
22 {
23  (void)control_conn;
24  if (!strcmpstart(question, "ip-to-country/")) {
25  int c;
26  sa_family_t family;
27  tor_addr_t addr;
28  question += strlen("ip-to-country/");
29 
30  if (!strcmp(question, "ipv4-available") ||
31  !strcmp(question, "ipv6-available")) {
32  family = !strcmp(question, "ipv4-available") ? AF_INET : AF_INET6;
33  const int available = geoip_is_loaded(family);
34  tor_asprintf(answer, "%d", !! available);
35  return 0;
36  }
37 
38  family = tor_addr_parse(&addr, question);
39  if (family != AF_INET && family != AF_INET6) {
40  *errmsg = "Invalid address family";
41  return -1;
42  }
43  if (!geoip_is_loaded(family)) {
44  *errmsg = "GeoIP data not loaded";
45  return -1;
46  }
47  if (family == AF_INET)
49  else /* AF_INET6 */
51  *answer = tor_strdup(geoip_get_country_name(c));
52  }
53  return 0;
54 }
uint16_t sa_family_t
Definition: inaddr_st.h:77
Header file for connection.c.
static uint32_t tor_addr_to_ipv4h(const tor_addr_t *a)
Definition: address.h:155
int strcmpstart(const char *s1, const char *s2)
Definition: util_string.c:206
int geoip_is_loaded(sa_family_t family)
Definition: geoip.c:458
Header file for geoip.c.
int geoip_get_country_by_ipv6(const struct in6_addr *addr)
Definition: geoip.c:407
int tor_asprintf(char **strp, const char *fmt,...)
Definition: printf.c:75
Master header file for Tor-specific functionality.
int tor_addr_parse(tor_addr_t *addr, const char *src)
Definition: address.c:1255
int getinfo_helper_geoip(control_connection_t *control_conn, const char *question, char **answer, const char **errmsg)
Definition: getinfo_geoip.c:19
const char * geoip_get_country_name(country_t num)
Definition: geoip.c:447
Header for getinfo_geoip.c.
static const struct in6_addr * tor_addr_to_in6(const tor_addr_t *a)
Definition: address.h:112
Header file for control.c.
int geoip_get_country_by_ipv4(uint32_t ipaddr)
Definition: geoip.c:391