hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
- /* We resolve the K root server to get a public IPv6 address. You can
- * replace this with any other host which has an AAAA record, but the
- * K root server is a pretty safe bet. */
- if (getaddrinfo("k.root-servers.net", "domain", &hints, &result) != 0) {
+ /* We use the public IPv6 of the K root server here. It doesn’t matter
+ * which IPv6 address we use (we don’t even send any packets), as long
+ * as it’s considered global by the kernel.
+ * NB: We don’t use a hostname since that would trigger a DNS lookup.
+ * By using an IPv6 address, getaddrinfo() will *not* do a DNS lookup,
+ * but return the address in the appropriate struct. */
+ if (getaddrinfo("2001:7fd::1", "domain", &hints, &result) != 0) {
/* We don’t display the error here because most
* likely, there just is no connectivity.
* Thus, don’t spam the user’s console. */
char *outwalk = buffer;
if (addr_string == NULL) {
- OUTPUT_FULL_TEXT(format_down);
+ START_COLOR("color_bad");
+ outwalk += sprintf(outwalk, "%s", format_down);
+ END_COLOR;
+ OUTPUT_FULL_TEXT(buffer);
return;
}
+ START_COLOR("color_good");
for (walk = format_up; *walk != '\0'; walk++) {
if (*walk != '%') {
*(outwalk++) = *walk;
walk += strlen("ip");
}
}
-
+ END_COLOR;
OUTPUT_FULL_TEXT(buffer);
}