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Enforce AllowedEncryptionPublicKeys for all peers inc. link-local

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This commit is contained in:
Neil Alexander 2019-01-31 23:47:20 +00:00
parent 432f93de89
commit ec5f7d9879
No known key found for this signature in database
GPG Key ID: A02A2019A2BB0944
1 changed files with 4 additions and 9 deletions
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13
src/yggdrasil/link.go
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@ -107,15 +107,10 @@ func (intf *linkInterface) handler() error {
} }
// Check if we're authorized to connect to this key / IP // Check if we're authorized to connect to this key / IP
if !intf.link.core.peers.isAllowedEncryptionPublicKey(&meta.box) { if !intf.link.core.peers.isAllowedEncryptionPublicKey(&meta.box) {
// Allow unauthorized peers if they're link-local intf.link.core.log.Debugf("%s connection to %s forbidden: AllowedEncryptionPublicKeys does not contain key %s",
raddrStr, _, _ := net.SplitHostPort(intf.info.remote) strings.ToUpper(intf.info.linkType), intf.info.remote, hex.EncodeToString(meta.box[:]))
raddr := net.ParseIP(raddrStr) intf.msgIO.close()
if !raddr.IsLinkLocalUnicast() { return nil
intf.link.core.log.Debugf("%s connection to %s forbidden: AllowedEncryptionPublicKey does not contain key %s",
strings.ToUpper(intf.info.linkType), intf.info.remote, hex.EncodeToString(meta.box[:]))
intf.msgIO.close()
return nil
}
} }
// Check if we already have a link to this node // Check if we already have a link to this node
intf.info.box = meta.box intf.info.box = meta.box