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fix: allow clearing ndp.spoof.neighbour to disable neighbor advertisements

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This commit is contained in:
konradh 2024-01-24 20:27:51 +01:00
commit 5af1be3356
1 changed files with 3 additions and 1 deletions
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4
modules/ndp_spoof/ndp_spoof.go
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@ -36,7 +36,7 @@ func NewNDPSpoofer(s *session.Session) *NDPSpoofer {
mod.AddParam(session.NewStringParameter("ndp.spoof.neighbour",
"fe80::1",
session.IPv6Validator,
`^([:a-fA-F0-9]{6,})?$`,
"Neighbour IPv6 address to spoof, clear to disable NA."))
mod.AddParam(session.NewStringParameter("ndp.spoof.prefix", "d00d::", "",
@ -99,6 +99,8 @@ func (mod *NDPSpoofer) Configure() error {
} else {
if err, neigh = mod.StringParam("ndp.spoof.neighbour"); err != nil {
return err
} else if neigh == "" {
mod.neighbour = nil
} else if mod.neighbour = net.ParseIP(neigh); mod.neighbour == nil {
return fmt.Errorf("can't parse neighbour address %s", neigh)
}