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Merge remote-tracking branches 'gitlab/mr/435' and 'gitlab/mr/439'

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meskio 2024-11-25 15:51:47 +01:00
commit ccb351e817
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1 changed files with 13 additions and 12 deletions
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25
common/util/util.go
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@ -56,20 +56,21 @@ func DeserializeSessionDescription(msg string) (*webrtc.SessionDescription, erro
}, nil }, nil
} }
// Stolen from https://github.com/golang/go/pull/30278
func IsLocal(ip net.IP) bool { func IsLocal(ip net.IP) bool {
if ip4 := ip.To4(); ip4 != nil { if ip.IsPrivate() {
// Local IPv4 addresses are defined in https://tools.ietf.org/html/rfc1918 return true
return ip4[0] == 10 ||
(ip4[0] == 172 && ip4[1]&0xf0 == 16) ||
(ip4[0] == 192 && ip4[1] == 168) ||
// Carrier-Grade NAT as per https://tools.ietf.org/htm/rfc6598
(ip4[0] == 100 && ip4[1]&0xc0 == 64) ||
// Dynamic Configuration as per https://tools.ietf.org/htm/rfc3927
(ip4[0] == 169 && ip4[1] == 254)
} }
// Local IPv6 addresses are defined in https://tools.ietf.org/html/rfc4193 // Dynamic Configuration as per https://tools.ietf.org/htm/rfc3927
return len(ip) == net.IPv6len && ip[0]&0xfe == 0xfc if ip.IsLinkLocalUnicast() {
return true
}
if ip4 := ip.To4(); ip4 != nil {
// Carrier-Grade NAT as per https://tools.ietf.org/htm/rfc6598
if ip4[0] == 100 && ip4[1]&0xc0 == 64 {
return true
}
}
return false
} }
// Removes local LAN address ICE candidates // Removes local LAN address ICE candidates