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How to use handshakeError method of ipc Package

Best Syzkaller code snippet using ipc.handshakeError

ipc.go

Source:ipc.go

...612		pid:   uint64(c.pid),613	}614	reqData := (*[unsafe.Sizeof(*req)]byte)(unsafe.Pointer(req))[:]615	if _, err := c.outwp.Write(reqData); err != nil {616		return c.handshakeError(fmt.Errorf("executor %v: failed to write control pipe: %v",617			c.pid, err))618	}619	read := make(chan error, 1)620	go func() {621		reply := &handshakeReply{}622		replyData := (*[unsafe.Sizeof(*reply)]byte)(unsafe.Pointer(reply))[:]623		if _, err := io.ReadFull(c.inrp, replyData); err != nil {624			read <- err625			return626		}627		if reply.magic != outMagic {628			read <- fmt.Errorf("executor %v: bad handshake reply magic 0x%x",629				c.pid, reply.magic)630			return631		}632		read <- nil633	}()634	timeout := time.NewTimer(time.Minute)635	select {636	case err := <-read:637		timeout.Stop()638		if err != nil {639			return c.handshakeError(err)640		}641		return nil642	case <-timeout.C:643		return c.handshakeError(fmt.Errorf("executor %v: not serving", c.pid))644	}645}646func (c *command) handshakeError(err error) error {647	c.abort()648	output := <-c.readDone649	err = fmt.Errorf("%v\n%s", err, output)650	c.wait()651	if c.cmd.ProcessState != nil {652		// Magic values returned by executor.653		if osutil.ProcessExitStatus(c.cmd.ProcessState) == statusFail {654			err = ExecutorFailure(err.Error())655		}656	}657	return err658}659// abort sends the abort signal to the command and then SIGKILL if wait doesn't return within 5s.660func (c *command) abort() {...

client.go

Source:client.go

1package ipc2import (3        "avro"4        "io"5        "net"6        "net/rpc"7        "sync"8)9type clientCodec struct {10        rwc       io.ReadWriteCloser11        dec       *avro.Decoder12        enc       *avro.Encoder13        fout      *Frame14        fin       *Frame15        proto     []byte16        handShake bool17        mutex     sync.Mutex18}19type HandShakeError int20func (e HandShakeError) Error() string {21        return "handshake error"22}23func NewClientCodec(rwc io.ReadWriteCloser, proto []byte) *clientCodec {24        var fin, fout Frame25        dec := avro.NewDecoder(&fin)26        enc := avro.NewEncoder(&fout)27        return &clientCodec{28                rwc:   rwc,29                dec:   dec,30                enc:   enc,31                fout:  &fout,32                fin:   &fin,33                proto: proto,34        }35}36func (c *clientCodec) writeHandShake() error {37        req := NewHandShakeRequest(c.proto)38        return c.enc.Encode(req)39}40func (c *clientCodec) readHandShake() error {41        rep := NewHandShakeResponse(NONE, c.proto)42        err := c.dec.Decode(rep)43        if err != nil {44                return err45        }46        if rep.Match == NONE {47                return HandShakeError(rep.Match)48        }49        return nil50}51func (c *clientCodec) WriteRequest(r *rpc.Request, param interface{}) error {52        c.mutex.Lock()53        defer c.mutex.Unlock()54        if !c.handShake {55                err := c.writeHandShake()56                if err != nil {57                        return err58                }59        }60        req := Request{61                Method:  r.ServiceMethod,62                Payload: param,63        }64        err := c.enc.Encode(&req)65        if err != nil {66                return err67        }68        c.fout.Xid = int32(r.Seq)69        return c.fout.Encode(c.rwc)70}71func (c *clientCodec) ReadResponseHeader(r *rpc.Response) error {72        err := c.fin.Decode(c.rwc)73        if err != nil {74                return err75        }76        if !c.handShake {77                err := c.readHandShake()78                _, ok := err.(HandShakeError)79                if err != nil && !ok {80                        return err81                }82                c.handShake = true83        }84        r.Seq = uint64(c.fin.Xid)85        return nil86}87func (c *clientCodec) ReadResponseBody(x interface{}) error {88        u, ok := x.(*avro.Union)89        if !ok {90                panic("response must be *avro.Union")91        }92        rep := Response{93                Meta:  make(map[string]string),94                Error: false,95        }96        err := c.dec.Decode(&rep)97        if err != nil {98                return err99        }100        if !rep.Error {101                u.Idx = 0102                err = c.dec.Decode(u.Elem[0])103        } else {104                u.Idx = 1105                err = c.dec.Decode(u.Elem[1])106        }107        return err108}109func (c *clientCodec) Close() error {110        return c.rwc.Close()111}112func Dial(addr string, proto []byte) (*rpc.Client, error) {113        conn, err := net.Dial("tcp", addr)114        if err != nil {115                return nil, err116        }117        return rpc.NewClientWithCodec(NewClientCodec(conn, proto)), nil118}...

handshakeError

Using AI Code Generation

1import (2func main() {3	endpoint, err := p2p.NewIPC("/tmp/ethereum/geth.ipc")4	if err != nil {5		fmt.Println("error in creating ipc endpoint")6		os.Exit(1)7	}8	node := enode.NewV4(&crypto.PublicKey{}, nil, 0, 0)9	err = p2p.HandshakeError{10		Err: fmt.Errorf("error"),11		Sent: &p2p.Hello{12			Caps:    []p2p.Cap{{"cap1", 1}},13			ID:      node.ID(),14		},15		Received: &p2p.Hello{16			Caps:    []p2p.Cap{{"cap2", 2}},17			ID:      node.ID(),18		},19	}20	_, err = endpoint.HandshakeError(err)21	if err != nil {22		fmt.Println("error in calling handshakeError method")23		os.Exit(1)24	}25}

handshakeError

Using AI Code Generation

1import (2func main() {3    fmt.Println(p2p.HandshakeError(1))4}5import (6func main() {7    fmt.Println(p2p.HandshakeError(2))8}9import (10func main() {11    fmt.Println(p2p.HandshakeError(3))12}13import (14func main() {15    fmt.Println(p2p.HandshakeError(4))16}17import (18func main() {19    fmt.Println(p2p.HandshakeError(5))20}21import (22func main() {23    fmt.Println(p2p.HandshakeError(6))24}25import (26func main() {27    fmt.Println(p2p.HandshakeError(7))28}29import (

handshakeError

Using AI Code Generation

1import (2func main() {3	err := ipc.HandshakeError("Error")4	fmt.Println(err)5}6import (7func main() {8	err := ipc.HandshakeError("Error")9	fmt.Println(err)10}11import (12func main() {13	err := ipc.HandshakeError("Error")14	fmt.Println(err)15}16import (17func main() {18	err := ipc.HandshakeError("Error")19	fmt.Println(err)20}21import (22func main() {23	err := ipc.HandshakeError("Error")24	fmt.Println(err)25}26import (27func main() {28	err := ipc.HandshakeError("Error")29	fmt.Println(err)30}31import (32func main() {33	err := ipc.HandshakeError("Error")34	fmt.Println(err)35}36import (37func main() {38	err := ipc.HandshakeError("Error")39	fmt.Println(err)40}41import (42func main() {43	err := ipc.HandshakeError("Error")44	fmt.Println(err)45}46import (47func main() {48	err := ipc.HandshakeError("Error")49	fmt.Println(err)50}51import (

handshakeError

Using AI Code Generation

1import (2func main() {3	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")4	if err != nil {5		fmt.Println(err)6	}7	err = ipc.HandshakeError()8	if err != nil {9		fmt.Println(err)10	}11}123. ReadError() Method13func (ipc *IPC) ReadError() error14import (15func main() {16	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")17	if err != nil {18		fmt.Println(err)19	}20	err = ipc.ReadError()21	if err != nil {22		fmt.Println(err)23	}24}254. WriteError() Method26func (ipc *IPC) WriteError() error27import (28func main() {29	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")30	if err != nil {31		fmt.Println(err)32	}33	err = ipc.WriteError()34	if err != nil {35		fmt.Println(err)36	}37}

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