mirror of
https://github.com/nonoo/kappanhang.git
synced 2025-12-06 08:02:00 +01:00
398 lines
15 KiB
Go
398 lines
15 KiB
Go
package main
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import (
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"bytes"
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"crypto/rand"
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"encoding/binary"
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"errors"
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"fmt"
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"os/exec"
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"time"
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)
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const controlStreamPort = 50001
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const serialStreamPort = 50002
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const audioStreamPort = 50003
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type controlStream struct {
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common streamCommon
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serial serialStream
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audio audioStream
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deinitNeededChan chan bool
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deinitFinishedChan chan bool
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authInnerSendSeq uint16
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authID [6]byte
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gotAuthID bool
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authOk bool
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a8replyID [16]byte
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gotA8ReplyID bool
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serialAndAudioStreamOpened bool
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deinitializing bool
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requestSerialAndAudioTimeout *time.Timer
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reauthTimeoutTimer *time.Timer
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}
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func (s *controlStream) sendPktLogin() error {
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// The reply to the auth packet will contain a 6 bytes long auth ID with the first 2 bytes set to our ID.
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var authStartID [2]byte
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if _, err := rand.Read(authStartID[:]); err != nil {
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return err
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}
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p := []byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
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byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID),
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0x00, 0x00, 0x00, 0x70, 0x01, 0x00, 0x00, byte(s.authInnerSendSeq),
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byte(s.authInnerSendSeq >> 8), 0x00, authStartID[0], authStartID[1], 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2b, 0x3f, 0x55, 0x5c, 0x00, 0x00, 0x00, 0x00, // username: beer
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2b, 0x3f, 0x55, 0x5c, 0x3f, 0x25, 0x77, 0x58, // pass: beerbeer
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x69, 0x63, 0x6f, 0x6d, 0x2d, 0x70, 0x63, 0x00, // icom-pc in plain text
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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if err := s.common.pkt0.sendTrackedPacket(&s.common, p); err != nil {
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return err
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}
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s.authInnerSendSeq++
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return nil
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}
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func (s *controlStream) sendPktAuth(magic byte) error {
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// Example request from PC: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00,
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// 0xbb, 0x41, 0x3f, 0x2b, 0xe6, 0xb2, 0x7b, 0x7b,
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// 0x00, 0x00, 0x00, 0x30, 0x01, 0x05, 0x00, 0x02,
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// 0x00, 0x00, 0x5d, 0x37, 0x12, 0x82, 0x3b, 0xde,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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// Example reply from radio: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00,
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// 0xe6, 0xb2, 0x7b, 0x7b, 0xbb, 0x41, 0x3f, 0x2b,
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// 0x00, 0x00, 0x00, 0x30, 0x02, 0x05, 0x00, 0x02,
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// 0x00, 0x00, 0x5d, 0x37, 0x12, 0x82, 0x3b, 0xde,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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p := []byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
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byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID),
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0x00, 0x00, 0x00, 0x30, 0x01, magic, 0x00, byte(s.authInnerSendSeq),
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byte(s.authInnerSendSeq >> 8), 0x00, s.authID[0], s.authID[1], s.authID[2], s.authID[3], s.authID[4], s.authID[5],
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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if err := s.common.pkt0.sendTrackedPacket(&s.common, p); err != nil {
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return err
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}
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s.authInnerSendSeq++
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return nil
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}
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func (s *controlStream) sendRequestSerialAndAudio() error {
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log.Debug("requesting serial and audio stream")
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txSeqBufLengthMs := uint16(txSeqBufLength.Milliseconds())
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p := []byte{0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
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byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID),
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0x00, 0x00, 0x00, 0x80, 0x01, 0x03, 0x00, byte(s.authInnerSendSeq),
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byte(s.authInnerSendSeq >> 8), 0x00, s.authID[0], s.authID[1], s.authID[2], s.authID[3], s.authID[4], s.authID[5],
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s.a8replyID[0], s.a8replyID[1], s.a8replyID[2], s.a8replyID[3], s.a8replyID[4], s.a8replyID[5], s.a8replyID[6], s.a8replyID[7],
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s.a8replyID[8], s.a8replyID[9], s.a8replyID[10], s.a8replyID[11], s.a8replyID[12], s.a8replyID[13], s.a8replyID[14], s.a8replyID[15],
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x49, 0x43, 0x2d, 0x37, 0x30, 0x35, 0x00, 0x00, // IC-705 in plain text
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2b, 0x3f, 0x55, 0x5c, 0x00, 0x00, 0x00, 0x00, // username: beer
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x01, 0x04, 0x04, 0x00, 0x00, byte(audioSampleRate >> 8), byte(audioSampleRate & 0xff),
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0x00, 0x00, byte(audioSampleRate >> 8), byte(audioSampleRate & 0xff),
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0x00, 0x00, byte(serialStreamPort >> 8), byte(serialStreamPort & 0xff),
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0x00, 0x00, byte(audioStreamPort >> 8), byte(audioStreamPort & 0xff), 0x00, 0x00,
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byte(txSeqBufLengthMs >> 8), byte(txSeqBufLengthMs & 0xff), 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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if err := s.common.pkt0.sendTrackedPacket(&s.common, p); err != nil {
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return err
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}
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s.authInnerSendSeq++
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return nil
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}
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func (s *controlStream) sendRequestSerialAndAudioIfPossible() {
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if !s.serialAndAudioStreamOpened && s.authOk && s.gotA8ReplyID {
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if err := s.sendRequestSerialAndAudio(); err != nil {
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reportError(err)
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}
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}
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}
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func (s *controlStream) handleRead(r []byte) error {
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switch len(r) {
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case 168:
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if bytes.Equal(r[:6], []byte{0xa8, 0x00, 0x00, 0x00, 0x00, 0x00}) {
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// Example answer from radio:
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// 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
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// 0x01, 0x13, 0x11, 0x18, 0x38, 0xff, 0x55, 0x7d,
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// 0x00, 0x00, 0x00, 0x98, 0x02, 0x02, 0x00, 0x07,
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// 0x00, 0x00, 0x7f, 0x91, 0x00, 0x00, 0x4f, 0x0d,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x01, 0x93, 0x8a, 0x01, 0x24, 0x17, 0x64,
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// 0xbc, 0x4b, 0xa3, 0xa0, 0x13, 0x58, 0x41, 0x04,
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// 0x58, 0x2d, 0x49, 0x43, 0x2d, 0x37, 0x30, 0x35,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x49, 0x43, 0x4f, 0x4d, 0x5f, 0x56,
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// 0x41, 0x55, 0x44, 0x49, 0x4f, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x3f, 0x3f, 0xa4, 0x01, 0xff, 0x01,
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// 0xff, 0x01, 0x01, 0x01, 0x00, 0x00, 0x4b, 0x00,
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// 0x01, 0x50, 0x00, 0xb8, 0x0b, 0x00, 0x00, 0x00
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copy(s.a8replyID[:], r[66:82])
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s.gotA8ReplyID = true
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}
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case 64:
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if bytes.Equal(r[:6], []byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00}) {
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// Example answer from radio: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
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// 0x33, 0x60, 0xd4, 0xe5, 0xf4, 0x67, 0x86, 0xe1,
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// 0x00, 0x00, 0x00, 0x30, 0x02, 0x05, 0x00, 0x02,
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// 0x00, 0x00, 0x35, 0x34, 0x76, 0x11, 0xb9, 0xd0,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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s.reauthTimeoutTimer.Stop()
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log.Debug("auth ok")
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if r[21] == 0x05 { // Answer for our second auth?
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s.authOk = true
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s.sendRequestSerialAndAudioIfPossible()
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}
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}
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case 80:
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if bytes.Equal(r[:6], []byte{0x50, 0x00, 0x00, 0x00, 0x00, 0x00}) {
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// Example answer from radio: 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00,
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// 0x86, 0x1f, 0x2f, 0xcc, 0x03, 0x03, 0x89, 0x29,
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// 0x00, 0x00, 0x00, 0x40, 0x02, 0x03, 0x00, 0x52,
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// 0x00, 0x00, 0xf8, 0xad, 0x06, 0x8d, 0xda, 0x7b,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
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// 0x80, 0x00, 0x00, 0x90, 0xc7, 0x0e, 0x86, 0x01,
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// 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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if bytes.Equal(r[48:51], []byte{0xff, 0xff, 0xff}) {
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if !s.serialAndAudioStreamOpened {
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return errors.New("auth failed, try rebooting the radio")
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}
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return errors.New("auth failed")
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}
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if bytes.Equal(r[48:51], []byte{0x00, 0x00, 0x00}) && r[64] == 0x01 {
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return errors.New("got radio disconnected")
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}
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}
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case 144:
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if !s.serialAndAudioStreamOpened && bytes.Equal(r[:6], []byte{0x90, 0x00, 0x00, 0x00, 0x00, 0x00}) && r[96] == 1 {
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// Example answer:
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// 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x00,
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// 0xc6, 0x5f, 0x6f, 0x0c, 0x5f, 0x8b, 0x1e, 0x89,
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// 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x31, 0x30, 0x31, 0x47, 0x39, 0x07,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
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// 0x80, 0x00, 0x00, 0x90, 0xc7, 0x0e, 0x86, 0x01,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x49, 0x43, 0x2d, 0x37, 0x30, 0x35, 0x00, 0x00, // IC-705 in plain text
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x01, 0x00, 0x00, 0x00, 0x69, 0x63, 0x6f, 0x6d,
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// 0x2d, 0x70, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x03, 0x03,
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// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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s.requestSerialAndAudioTimeout.Stop()
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devName := parseNullTerminatedString(r[64:])
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log.Print("got serial and audio request success, device name: ", devName)
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// Stuff can change in the meantime because of a previous login...
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s.common.remoteSID = binary.BigEndian.Uint32(r[8:12])
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s.common.localSID = binary.BigEndian.Uint32(r[12:16])
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copy(s.authID[:], r[26:32])
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s.gotAuthID = true
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if err := s.serial.init(devName); err != nil {
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return errors.New("serial/" + err.Error())
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}
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if err := s.audio.init(devName); err != nil {
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return errors.New("audio/" + err.Error())
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}
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s.serialAndAudioStreamOpened = true
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statusLog.startPeriodicPrint()
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runCmdRunner.startIfNeeded(runCmd)
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if enableSerialDevice {
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serialCmdRunner.startIfNeeded(runCmdOnSerialPortCreated)
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}
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if !disableRigctld {
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if _, err := exec.LookPath("rigctld"); err != nil {
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log.Error("can't start rigctld: ", err)
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} else {
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rigctldRunner.startIfNeeded(fmt.Sprint("rigctld -m ", rigctldModel, " -r :", serialTCPPort))
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}
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}
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}
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}
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return nil
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}
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func (s *controlStream) loop() {
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netstat.reset()
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s.reauthTimeoutTimer = time.NewTimer(0)
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<-s.reauthTimeoutTimer.C
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reauthTicker := time.NewTicker(25 * time.Second)
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for {
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select {
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case r := <-s.common.readChan:
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if !s.deinitializing {
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if err := s.handleRead(r); err != nil {
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reportError(err)
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}
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}
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case <-reauthTicker.C:
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log.Debug("sending auth")
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s.reauthTimeoutTimer.Reset(3 * time.Second)
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if err := s.sendPktAuth(0x05); err != nil {
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reportError(err)
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}
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case <-s.reauthTimeoutTimer.C:
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log.Error("auth timeout, audio/serial stream may stop")
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case <-s.deinitNeededChan:
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s.deinitFinishedChan <- true
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return
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}
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}
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}
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func (s *controlStream) init() error {
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log.Debug("init")
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if err := s.common.init("control", controlStreamPort); err != nil {
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return err
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}
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if err := s.common.start(); err != nil {
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return err
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}
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|
|
|
s.common.pkt0.init(&s.common)
|
|
if err := s.sendPktLogin(); err != nil {
|
|
return err
|
|
}
|
|
|
|
log.Debug("expecting login answer")
|
|
// Example success auth packet: 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
|
|
// 0xe6, 0xb2, 0x7b, 0x7b, 0xbb, 0x41, 0x3f, 0x2b,
|
|
// 0x00, 0x00, 0x00, 0x50, 0x02, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x5d, 0x37, 0x12, 0x82, 0x3b, 0xde,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x46, 0x54, 0x54, 0x48, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
r, err := s.common.expect(96, []byte{0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if bytes.Equal(r[48:52], []byte{0xff, 0xff, 0xff, 0xfe}) {
|
|
return errors.New("invalid user/password")
|
|
}
|
|
|
|
s.common.pkt7.startPeriodicSend(&s.common, 2, false)
|
|
|
|
copy(s.authID[:], r[26:32])
|
|
s.gotAuthID = true
|
|
if err := s.sendPktAuth(0x02); err != nil {
|
|
return err
|
|
}
|
|
log.Debug("login ok, first auth sent...")
|
|
|
|
s.common.pkt0.startPeriodicSend(&s.common)
|
|
|
|
if err := s.sendPktAuth(0x05); err != nil {
|
|
return err
|
|
}
|
|
log.Debug("second auth sent...")
|
|
|
|
s.requestSerialAndAudioTimeout = time.AfterFunc(5*time.Second, func() {
|
|
reportError(errors.New("login/serial/audio request timeout"))
|
|
})
|
|
|
|
s.deinitNeededChan = make(chan bool)
|
|
s.deinitFinishedChan = make(chan bool)
|
|
go s.loop()
|
|
return nil
|
|
}
|
|
|
|
func (s *controlStream) deinit() {
|
|
s.deinitializing = true
|
|
s.serialAndAudioStreamOpened = false
|
|
statusLog.stopPeriodicPrint()
|
|
|
|
if s.deinitNeededChan != nil {
|
|
s.deinitNeededChan <- true
|
|
<-s.deinitFinishedChan
|
|
}
|
|
if s.requestSerialAndAudioTimeout != nil {
|
|
s.requestSerialAndAudioTimeout.Stop()
|
|
s.requestSerialAndAudioTimeout = nil
|
|
}
|
|
|
|
if s.gotAuthID && s.common.gotRemoteSID && s.common.conn != nil {
|
|
log.Debug("sending deauth")
|
|
_ = s.sendPktAuth(0x01)
|
|
// Waiting a little bit to make sure the radio can send retransmit requests.
|
|
time.Sleep(500 * time.Millisecond)
|
|
}
|
|
|
|
s.common.deinit()
|
|
s.serial.deinit()
|
|
s.audio.deinit()
|
|
}
|