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add validationof hostname + IP

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This commit is contained in:
Callan Bryant 2020-03-02 19:26:08 +00:00
parent af7484c84b
commit 11ed6be6d1
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2 changed files with 18 additions and 4 deletions
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16
types.go
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@ -78,7 +78,20 @@ func (conf *DsnetConfig) MustSave() {
} }
func (conf *DsnetConfig) MustAddPeer(peer PeerConfig) { func (conf *DsnetConfig) MustAddPeer(peer PeerConfig) {
// TODO validate PeerConfig!!! // TODO validate all PeerConfig (keys etc)
for _, p := range conf.Peers {
if peer.Hostname == p.Hostname {
ExitFail("%s is not an unique hostname", peer.Hostname)
}
}
for _, peerIPNet := range peer.AllowedIPs {
if conf.IPAllocated(peerIPNet.IPNet.IP) {
ExitFail("%s is not unique", peerIPNet)
}
}
conf.Peers = append(conf.Peers, peer) conf.Peers = append(conf.Peers, peer)
} }
@ -95,6 +108,7 @@ func (conf DsnetConfig) IPAllocated(IP net.IP) bool {
} }
// choose a free IP for a new Peer // choose a free IP for a new Peer
// TODO MustChooseIP? -- failure means we give up anyway
func (conf DsnetConfig) ChooseIP() (net.IP, error) { func (conf DsnetConfig) ChooseIP() (net.IP, error) {
network := conf.Network.IPNet network := conf.Network.IPNet
ones, bits := network.Mask.Size() ones, bits := network.Mask.Size()