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https://github.com/cwinfo/yggdrasil-go.git
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Check AllowedEncryptionPublicKeys
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parent
e36f88c75f
commit
432f93de89
@ -1,6 +1,7 @@
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package yggdrasil
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import (
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"encoding/hex"
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"errors"
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"fmt"
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"net"
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@ -104,6 +105,18 @@ func (intf *linkInterface) handler() error {
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intf.link.core.log.Errorln("Failed to connect to node: " + intf.name + " version: " + fmt.Sprintf("%d.%d", meta.ver, meta.minorVer))
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return errors.New("failed to connect: wrong version")
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}
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// Check if we're authorized to connect to this key / IP
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if !intf.link.core.peers.isAllowedEncryptionPublicKey(&meta.box) {
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// Allow unauthorized peers if they're link-local
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raddrStr, _, _ := net.SplitHostPort(intf.info.remote)
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raddr := net.ParseIP(raddrStr)
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if !raddr.IsLinkLocalUnicast() {
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intf.link.core.log.Debugf("%s connection to %s forbidden: AllowedEncryptionPublicKey does not contain key %s",
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strings.ToUpper(intf.info.linkType), intf.info.remote, hex.EncodeToString(meta.box[:]))
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intf.msgIO.close()
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return nil
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}
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}
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// Check if we already have a link to this node
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intf.info.box = meta.box
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intf.info.sig = meta.sig
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