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internal/clientinfo: map ::1 to the right host MAC address

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So queries originating from host using ::1 as source will be recognized
properly, and treated the same as other queries from host itself.
This commit is contained in:
Cuong Manh Le
2024-04-19 14:32:09 +07:00
committed by Cuong Manh Le
parent b5cf0e2b31
commit dd9f2465be
4 changed files with 21 additions and 10 deletions
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internal/clientinfo/dhcp.go
+6 -4
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@@ -353,8 +353,8 @@ func (d *dhcp) addSelf() {
return
}
hostname = normalizeHostname(hostname)
d.ip2name.Store("127.0.0.1", hostname)
d.ip2name.Store("::1", hostname)
d.ip2name.Store(ipV4Loopback, hostname)
d.ip2name.Store(ipv6Loopback, hostname)
found := false
interfaces.ForeachInterface(func(i interfaces.Interface, prefixes []netip.Prefix) {
mac := i.HardwareAddr.String()
@@ -375,15 +375,17 @@ func (d *dhcp) addSelf() {
d.mac.Store(ip.String(), mac)
d.ip.Store(mac, ip.String())
if ip.To4() != nil {
d.mac.Store("127.0.0.1", mac)
d.mac.Store(ipV4Loopback, mac)
} else {
d.mac.Store("::1", mac)
d.mac.Store(ipv6Loopback, mac)
}
d.mac2name.Store(mac, hostname)
d.ip2name.Store(ip.String(), hostname)
// If we have self IP set, and this IP is it, use this IP only.
if ip.String() == d.selfIP {
found = true
d.mac.Store(ipV4Loopback, mac)
d.mac.Store(ipv6Loopback, mac)
}
}
})