mirror of
https://github.com/nonoo/kappanhang.git
synced 2026-01-07 09:19:58 +01:00
Implement all required control packets
This commit is contained in:
Nonoo
parent
22a80edfd4
commit
0f6b5c95d8
240
main.go
240
main.go
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@ -18,8 +18,10 @@ var conn *net.UDPConn
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var localSID uint32
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var remoteSID uint32
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var sendSeq uint16
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var longPingSendSeq uint16
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var authSendSeq uint16
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var authID [6]byte
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var randIDByteForPktSeven [1]byte
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var expectedPkt7ReplySeq uint16
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func send(d []byte) {
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_, err := conn.Write(d)
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@ -50,17 +52,118 @@ func setupCloseHandler() {
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go func() {
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<-c
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log.Print("disconnecting")
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send([]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, byte(sendSeq), byte(sendSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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0x00, 0x00, 0x00, 0x30, 0x01, 0x01, 0x00, byte(longPingSendSeq),
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byte(longPingSendSeq >> 8), 0x00, authID[0], authID[1], authID[2], authID[3], authID[4], 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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sendDisconnect()
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os.Exit(0)
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}()
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}
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func sendPkt7(replyID []byte) {
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// Example request from PC: 0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72, 0x00, 0x78, 0x40, 0xf6, 0x02
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// Example reply from radio: 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63, 0x01, 0x78, 0x40, 0xf6, 0x02
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var replyFlag byte
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if replyID == nil {
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replyID = make([]byte, 4)
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var randID [2]byte
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_, err := rand.Read(randID[:])
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if err != nil {
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log.Fatal(err)
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}
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replyID[0] = randID[0]
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replyID[1] = randID[1]
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replyID[2] = randIDByteForPktSeven[0]
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replyID[3] = 0x03
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} else {
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replyFlag = 0x01
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}
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expectedPkt7ReplySeq = sendSeq
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send([]byte{0x15, 0x00, 0x00, 0x00, 0x07, 0x00, byte(sendSeq), byte(sendSeq >> 8),
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID),
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replyFlag, replyID[0], replyID[1], replyID[2], replyID[3]})
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}
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func sendPkt3() {
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x03, 0x00, byte(sendSeq), byte(sendSeq >> 8),
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID)})
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}
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func sendPkt6() {
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00,
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID)})
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}
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func sendPktLogin() {
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var randID [2]byte
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_, err := rand.Read(randID[:])
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if err != nil {
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log.Fatal(err)
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}
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send([]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID),
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0x00, 0x00, 0x00, 0x70, 0x01, 0x00, 0x00, byte(authSendSeq),
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byte(authSendSeq >> 8), 0x00, randID[0], randID[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
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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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}
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func sendPktReauth() {
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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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send([]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, byte(sendSeq), byte(sendSeq >> 8),
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID),
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0x00, 0x00, 0x00, 0x30, 0x01, 0x05, 0x00, byte(authSendSeq),
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byte(authSendSeq >> 8), 0x00, authID[0], authID[1], authID[2], authID[3], authID[4], 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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}
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func sendDisconnect() {
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send([]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, byte(sendSeq), byte(sendSeq >> 8),
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID),
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0x00, 0x00, 0x00, 0x30, 0x01, 0x01, 0x00, byte(authSendSeq),
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byte(authSendSeq >> 8), 0x00, authID[0], authID[1], authID[2], authID[3], authID[4], 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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send([]byte{0x10, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
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byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
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byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID)})
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}
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func main() {
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log.Init()
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parseArgs()
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@ -82,13 +185,14 @@ func main() {
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localSID = binary.BigEndian.Uint32(laddr.IP[len(laddr.IP)-4:])<<16 | uint32(laddr.Port&0xffff)
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log.Debugf("using session id %.8x", localSID)
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x00, 0x00, 0x00, 0x00})
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// send([]byte{0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x01, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x3e, 0x10, 0x00})
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// send([]byte{0x10, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x00, 0x00, 0x00, 0x00})
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// send([]byte{0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x02, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x3e, 0x10, 0x00})
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// send([]byte{0x10, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x00, 0x00, 0x00, 0x00})
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sendPkt3()
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sendSeq = 1
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sendPkt7(nil)
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sendSeq = 0
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sendPkt3()
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for {
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// Expecting a Pkt4 answer.
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r, _ := read()
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if bytes.Equal(r[:8], []byte{0x10, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00}) {
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remoteSID = binary.BigEndian.Uint32(r[8:12])
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@ -98,29 +202,22 @@ func main() {
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log.Debugf("got remote session id %.8x", remoteSID)
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID)})
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send([]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID),
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0x00, 0x00, 0x00, 0x70, 0x01, 0x00, 0x00, byte(longPingSendSeq),
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byte(longPingSendSeq >> 8), 0x00, 0x09, 0x27, 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,
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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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sendSeq = 1
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authSendSeq = 1
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sendPkt6()
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sendPktLogin()
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authSendSeq++
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var lastReceivedSeq uint16
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var receivedSeq bool
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var lastPingAt time.Time
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var lastLongPingAt time.Time
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var lastReauthAt time.Time
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var lastStatusLog time.Time
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var errCount int
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var randID [4]byte
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_, err = rand.Read(randIDByteForPktSeven[:])
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if err != nil {
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log.Fatal(err)
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}
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for {
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r, err := read()
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if err != nil {
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@ -153,66 +250,49 @@ func main() {
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}
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}
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if len(r) == 21 && bytes.Equal(r[1:6], []byte{0x00, 0x00, 0x00, 0x07, 0x00}) {
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// Replying to the radio.
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// Example request from radio: 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x1c, 0x0e, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63, 0x00, 0x57, 0x2b, 0x12, 0x00
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// Example answer from PC: 0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x1c, 0x0e, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72, 0x01, 0x57, 0x2b, 0x12, 0x00
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gotSeq := binary.LittleEndian.Uint16(r[6:8])
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if receivedSeq && lastReceivedSeq+1 != gotSeq {
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log.Error("packet loss detected")
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if r[16] == 0x00 { // This is a pkt7 request from the radio.
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// Replying to the radio.
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// Example request from radio: 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x1c, 0x0e, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63, 0x00, 0x57, 0x2b, 0x12, 0x00
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// Example answer from PC: 0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x1c, 0x0e, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72, 0x01, 0x57, 0x2b, 0x12, 0x00
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sendPkt7(r[17:21])
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} else {
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gotSeq := binary.LittleEndian.Uint16(r[6:8])
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if expectedPkt7ReplySeq != gotSeq {
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var missingPkts int
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if gotSeq > expectedPkt7ReplySeq {
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missingPkts = int(gotSeq) - int(expectedPkt7ReplySeq)
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} else {
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missingPkts = int(gotSeq) + 65536 - int(expectedPkt7ReplySeq)
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}
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if missingPkts < 1000 {
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log.Error("lost ", missingPkts, " packets ", gotSeq, " ", expectedPkt7ReplySeq)
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}
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}
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}
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lastReceivedSeq = gotSeq
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receivedSeq = true
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send([]byte{0x15, 0x00, 0x00, 0x00, 0x07, 0x00, byte(gotSeq), byte(gotSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x01,
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r[17], r[18], r[19], r[20]})
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}
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if len(r) == 16 && bytes.Equal(r[:6], []byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}) {
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// Replying to the radio.
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// Example request from radio: 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63
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// Example answer from PC: 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72
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gotSeq := binary.LittleEndian.Uint16(r[6:8])
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, byte(gotSeq), byte(gotSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID)})
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send([]byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, byte(gotSeq), byte(gotSeq >> 8), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID)})
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}
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if time.Since(lastPingAt) >= 100*time.Millisecond {
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// Example request from PC: 0x15, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xbe, 0xd9, 0xf2, 0x63, 0xe4, 0x35, 0xdd, 0x72, 0x00, 0x78, 0x40, 0xf6, 0x02
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// Example reply from radio: 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x09, 0x00, 0xe4, 0x35, 0xdd, 0x72, 0xbe, 0xd9, 0xf2, 0x63, 0x01, 0x78, 0x40, 0xf6, 0x02
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_, err = rand.Read(randID[:])
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if err != nil {
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log.Fatal(err)
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}
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send([]byte{0x15, 0x00, 0x00, 0x00, 0x07, 0x00, byte(sendSeq), byte(sendSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID), 0x01,
|
||||
randID[0], randID[1], randID[2], randID[3]})
|
||||
send([]byte{0x10, 0x00, 0x00, 0x00, 0x03, 0x00, byte(sendSeq), byte(sendSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID)})
|
||||
sendPkt7(nil)
|
||||
sendPkt3()
|
||||
sendSeq++
|
||||
lastPingAt = time.Now()
|
||||
|
||||
if time.Since(lastLongPingAt) >= 30*time.Second {
|
||||
// Example request from PC: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00,
|
||||
// 0xbb, 0x41, 0x3f, 0x2b, 0xe6, 0xb2, 0x7b, 0x7b,
|
||||
// 0x00, 0x00, 0x00, 0x30, 0x01, 0x05, 0x00, 0x02,
|
||||
// 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
|
||||
// Example reply from radio: 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00,
|
||||
// 0xe6, 0xb2, 0x7b, 0x7b, 0xbb, 0x41, 0x3f, 0x2b,
|
||||
// 0x00, 0x00, 0x00, 0x30, 0x02, 0x05, 0x00, 0x02,
|
||||
// 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
|
||||
send([]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, byte(sendSeq), byte(sendSeq >> 8), byte(remoteSID >> 24), byte(remoteSID >> 16), byte(remoteSID >> 8), byte(remoteSID), byte(localSID >> 24), byte(localSID >> 16), byte(localSID >> 8), byte(localSID),
|
||||
0x00, 0x00, 0x00, 0x30, 0x01, 0x05, 0x00, byte(longPingSendSeq),
|
||||
byte(longPingSendSeq >> 8), 0x00, authID[0], authID[1], authID[2], authID[3], authID[4], authID[5],
|
||||
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})
|
||||
sendSeq++
|
||||
lastLongPingAt = time.Now()
|
||||
if time.Since(lastReauthAt) >= 60*time.Second {
|
||||
sendPktReauth()
|
||||
authSendSeq++
|
||||
lastReauthAt = time.Now()
|
||||
}
|
||||
|
||||
if time.Since(lastStatusLog) >= 10*time.Second {
|
||||
log.Print("still connected")
|
||||
lastStatusLog = time.Now()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue