Tor 0.4.9.0-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) 2007-2021, The Tor Project, Inc. */
4/* See LICENSE for licensing information */
5
6/**
7 * @file getinfo_geoip.c
8 * @brief GEOIP-related controller 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. */
18int
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 }
48 *answer = tor_strdup(geoip_get_country_name(c));
49 }
50 return 0;
51}
int tor_addr_parse(tor_addr_t *addr, const char *src)
Definition: address.c:1349
Header file for connection.c.
Header file for control.c.
int geoip_is_loaded(sa_family_t family)
Definition: geoip.c:458
int geoip_get_country_by_addr(const tor_addr_t *addr)
Definition: geoip.c:424
const char * geoip_get_country_name(country_t num)
Definition: geoip.c:447
Header file for geoip.c.
int getinfo_helper_geoip(control_connection_t *control_conn, const char *question, char **answer, const char **errmsg)
Definition: getinfo_geoip.c:19
Header for getinfo_geoip.c.
uint16_t sa_family_t
Definition: inaddr_st.h:77
Master header file for Tor-specific functionality.
int tor_asprintf(char **strp, const char *fmt,...)
Definition: printf.c:75
int strcmpstart(const char *s1, const char *s2)
Definition: util_string.c:217