int dns_srv_get(char *domain, size_t dsize, struct sa *srvv, uint32_t *n)
{
int err;
/* Try them all in prioritized order */
#ifdef HAVE_LIBRESOLV
err = get_resolv_dns(domain, dsize, srvv, n);
if (!err)
return 0;
#endif
#ifdef DARWIN
err = get_darwin_dns(domain, dsize, srvv, n);
if (!err)
return 0;
#endif
err = parse_resolv_conf(domain, dsize, srvv, n);
if (!err)
return 0;
#ifdef WIN32
err = get_windns(domain, dsize, srvv, n);
#endif
#ifdef __SYMBIAN32__
err = get_symbiandns(srvv, n);
#endif
return err;
}
int main(int argc, char *argv[]) {
if (argc == 1)
parse_config("dns_proxy.conf");
else if (argc == 2) {
if (!strcmp(argv[1], "-h")) {
printf("Usage: %s [options]\n", argv[0]);
printf(" * With no parameters, the configuration file is read from 'dns_proxy.conf'.\n\n");
printf(" -n -- No configuration file (socks: 127.0.0.1:9999, listener: 0.0.0.0:53).\n");
printf(" -h -- Print this message and exit.\n");
printf(" config_file -- Read from specified configuration file.\n\n");
printf(" * The configuration file should contain any of the following options (and ignores lines that begin with '#'):\n");
printf(" * socks_addr -- socks listener address\n");
printf(" * socks_port -- socks listener port\n");
printf(" * listen_addr -- address for the dns proxy to listen on\n");
printf(" * listen_port -- port for the dns proxy to listen on (most cases 53)\n");
printf(" * resolv_conf -- location of resolv.conf to read from\n");
printf(" * log_file -- location to log server IPs to. (only necessary for debugging)\n\n");
printf(" * Configuration directives should be of the format:\n");
printf(" option = value\n\n");
printf(" * Any non-specified options will be set to their defaults:\n");
printf(" * socks_addr = 127.0.0.1\n");
printf(" * socks_port = 9050\n");
printf(" * listen_addr = 0.0.0.0\n");
printf(" * listen_port = 53\n");
printf(" * resolv_conf = resolv.conf\n");
printf(" * log_file = /dev/null\n");
exit(0);
}
else {
parse_config(argv[1]);
}
}
// if (getuid() != 0) {
// printf("Error: this program must be run as root! Quitting\n");
// exit(1);
// }
printf("[*] Listening on: %s:%d\n", LISTEN_ADDR, LISTEN_PORT);
printf("[*] Using SOCKS proxy: %s:%d\n", SOCKS_ADDR, SOCKS_PORT);
parse_resolv_conf();
printf("[*] Loaded %d DNS servers from %s.\n\n", NUM_DNS, RESOLVCONF);
// start the dns proxy
udp_listener();
exit(EXIT_SUCCESS);
}
