static void
query_cb_err_print(const int err)
{
if (err == DNS_ERR_UNKNOWN || err == DNS_ERR_TRUNCATED) {
fprintf(stderr, "Response might be truncated.\n"
"If you just started dnscrypt-proxy, this is expected; you may want to retry.\n");
} else {
fprintf(stderr, "[%s]\n", evdns_err_to_string(err));
}
exit(1);
}
static void hub_lookup_event(int result, char type, int count, int ttl,
void *addresses, void *user_data)
{
hub_connect_data_t *hcd = user_data;
return_if_fail(hcd);
if(result == DNS_ERR_NONE)
{
struct in_addr *addrs = addresses;
return_if_fail(addrs);
return_if_fail(count >= 1);
hub_connect_async(hcd, &addrs[0]);
}
else
{
const char *errmsg = evdns_err_to_string(result);
WARNING("Failed to lookup '%s': %s", hcd->address, errmsg);
ui_send_status_message(NULL, hcd->address,
"Failed to lookup '%s': %s", hcd->address, errmsg);
}
}
int hub_connect(const char *hubname, const char *nick, const char *email,
const char *description, const char *speed, bool passive,
const char *password, const char *encoding)
{
return_val_if_fail(nick, -1);
return_val_if_fail(hubname, -1);
char *host = 0;
int port = 0;
if(split_host_port(hubname, &host, &port) != 0)
{
return -1;
}
else if(port < 0)
{
ui_send_status_message(NULL, hubname,
"Invalid port in hub address: %s", hubname);
free(host);
return -1;
}
else if(port == 0)
{
port = 411; /* default port */
}
ui_send_status_message(NULL, hubname, "Connecting to %s...", hubname);
hub_connect_data_t *hcd = calloc(1, sizeof(hub_connect_data_t));
hcd->nick = strdup(nick);
hcd->email = xstrdup(email);
hcd->description = xstrdup(description);
hcd->speed = xstrdup(speed);
hcd->address = strdup(hubname);
hcd->passive = passive;
hcd->password = xstrdup(password);
hcd->encoding = xstrdup(encoding);
hcd->port = port;
struct in_addr xaddr;
if(inet_aton(host, &xaddr))
{
/* host already given as an IP address */
hub_connect_async(hcd, &xaddr);
free(host);
}
else
{
int rc = evdns_resolve_ipv4(host, 0, hub_lookup_event, hcd);
free(host);
if(rc != DNS_ERR_NONE)
{
WARNING("Failed to lookup '%s': %s",
hubname, evdns_err_to_string(rc));
ui_send_status_message(NULL, hubname, "Failed to lookup '%s': %s",
hubname, evdns_err_to_string(rc));
hcd_free(hcd);
return -1;
}
}
return 0;
}
static void
query_cb_err_print(const int err)
{
fprintf(stderr, "[%s]\n", evdns_err_to_string(err));
exit(1);
}