Hi,
Here's my compromise on the IPv4-mapped IPv6 address question:
if (tmp) {
if (IN6_IS_ADDR_V4MAPPED(&in6sa->sin6_addr) ||
IN6_IS_ADDR_V4COMPAT(&in6sa->sin6_addr)) {
if (strchr(data->hostip, '.')) {
char const *lastcolon = strrchr(data->hostip, ':');
char *dst = data->hostip;
while(lastcolon) {
lastcolon++;
*dst++ = *lastcolon;
if (!*lastcolon) break;
}
}
}
}
So we only do the evil hack if IN6_IS_ADDR_V4MAPPED or
IN6_IS_ADDR_V4COMPAT returns true. I think that should be pretty
safe... if we can't trust our system's own inet_ntop function, we're
in trouble anyway.
Comments welcomed.
Regards,
David.
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