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net: Prepend IPv6 addresses with '0' if necessary

This commit is contained in:
Daniel Oaks 2016-10-16 14:17:29 +10:00
parent a8d910e233
commit 859d0cd607
1 changed files with 5 additions and 1 deletions
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6
irc/net.go
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@ -28,7 +28,11 @@ func AddrLookupHostname(addr net.Addr) string {
func LookupHostname(addr string) string { func LookupHostname(addr string) string {
names, err := net.LookupAddr(addr) names, err := net.LookupAddr(addr)
if err != nil || len(names) < 1 || !IsHostname(names[0]) { if err != nil || len(names) < 1 || !IsHostname(names[0]) {
// return original address // return original address if no hostname found
if len(addr) > 0 && addr[0] == ':' {
// fix for IPv6 hostnames (so they don't start with a colon), same as all other IRCds
addr = "0" + addr
}
return addr return addr
} }