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https://github.com/cwinfo/yggdrasil-go.git
synced 2024-12-22 23:25:39 +00:00
fixes to linkInterface.handler()
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parent
def4fb3587
commit
2569242050
@ -56,3 +56,23 @@ func TimerStop(t *time.Timer) bool {
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}
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return true
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}
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// Run a blocking function with a timeout.
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// Returns true if the function returns.
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// Returns false if the timer fires.
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// The blocked function remains blocked--the caller is responsible for somehow killing it.
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func FuncTimeout(f func(), timeout time.Duration) bool {
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success := make(chan struct{})
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go func() {
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defer close(success)
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f()
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}()
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timer := time.NewTimer(timeout)
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defer TimerStop(timer)
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select {
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case <-success:
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return true
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case <-timer.C:
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return false
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}
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}
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@ -92,11 +92,16 @@ func (intf *linkInterface) handler() error {
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meta.link = *myLinkPub
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metaBytes := meta.encode()
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// TODO timeouts on send/recv (goroutine for send/recv, channel select w/ timer)
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err := intf.msgIO._sendMetaBytes(metaBytes)
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var err error
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if !util.FuncTimeout(func() { err = intf.msgIO._sendMetaBytes(metaBytes) }, 30*time.Second) {
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return errors.New("timeout on metadata send")
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}
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if err != nil {
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return err
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}
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metaBytes, err = intf.msgIO._recvMetaBytes()
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if !util.FuncTimeout(func() { metaBytes, err = intf.msgIO._recvMetaBytes() }, 30*time.Second) {
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return errors.New("timeout on metadata recv")
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}
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if err != nil {
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return err
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}
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@ -110,7 +115,7 @@ func (intf *linkInterface) handler() error {
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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.force && !intf.link.core.peers.isAllowedEncryptionPublicKey(&meta.box) {
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if !intf.incoming && !intf.force && !intf.link.core.peers.isAllowedEncryptionPublicKey(&meta.box) {
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intf.link.core.log.Debugf("%s connection to %s forbidden: AllowedEncryptionPublicKeys 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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