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How to use Forward method of kvm Package

Best Syzkaller code snippet using kvm.Forward

net.go

Source:net.go

...128}129func (n *Network) generateXML() string {130	netcfg := &libvirtxml.Network{131		Name: n.Name,132		Forward: &libvirtxml.NetworkForward{133			Mode: "nat"},134		MAC: &libvirtxml.NetworkMAC{135			Address: n.Mac}}136	if n.DhcpStartIP != "" {137		if n.DhcpEndIP == "" {138			log.Fatal("Dhcp end UP for network " + n.Name + "not especified")139		}140		netcfg.IPs = append(netcfg.IPs, libvirtxml.NetworkIP{141			Address: n.IP,142			Netmask: n.Mask,143			DHCP: &libvirtxml.NetworkDHCP{144				Ranges: []libvirtxml.NetworkDHCPRange{{145					Start: n.DhcpStartIP,146					End:   n.DhcpEndIP}}}})...

runner.go

Source:runner.go

...20		SilenceUsage: true,21		RunE: func(cmd *cobra.Command, args []string) error {22			var err error23			rcnf.Logger = logrus.New()24			rcnf.ForwardedPorts, err = parsePorts(ports)25			if err != nil {26				return fmt.Errorf("Port flags: %w", err)27			}28			t0 := time.Now()29			err = StartQemu(rcnf)30			dur := time.Since(t0).Round(time.Millisecond)31			fmt.Printf("Execution took %v\n", dur)32			if err != nil {33				return fmt.Errorf("Qemu exited with an error: %w", err)34			}35			return nil36		},37	}38	cmd.Flags().StringVar(&rcnf.Image, "image", "", "VM image file path")39	cmd.MarkFlagRequired("image")40	cmd.Flags().StringVar(&rcnf.KernelFname, "kernel", "", "kernel filename to boot with. (if empty no -kernel option will be passed to qemu)")41	cmd.Flags().BoolVar(&rcnf.QemuPrint, "qemu-cmd-print", false, "Do not run the qemu command, just print it")42	cmd.Flags().BoolVar(&rcnf.DisableKVM, "qemu-disable-kvm", false, "Do not use KVM acceleration, even if /dev/kvm exists")43	cmd.Flags().BoolVar(&rcnf.Daemonize, "daemonize", false, "daemonize QEMU after initializing")44	cmd.Flags().StringVar(&rcnf.HostMount, "host-mount", "", "Mount the specified host directory in the VM using a 'host_mount' tag")45	cmd.Flags().StringArrayVarP(&ports, "port", "p", nil, "Forward a port (hostport[:vmport[:tcp|udp]])")46	cmd.Flags().IntVar(&rcnf.SerialPort, "serial-port", 0, "Port for serial console")47	return cmd48}49func parsePorts(flags []string) ([]PortForward, error) {50	var forwards []PortForward51	for _, flag := range flags {52		hostPortStr, vmPortAndProto, found := strings.Cut(flag, ":")53		if !found {54			hostPort, err := strconv.Atoi(flag)55			if err != nil {56				return nil, fmt.Errorf("'%s' is not a valid port number", flag)57			}58			forwards = append(forwards, PortForward{59				HostPort: hostPort,60				VMPort:   hostPort,61				Protocol: "tcp",62			})63			continue64		}65		hostPort, err := strconv.Atoi(hostPortStr)66		if err != nil {67			return nil, fmt.Errorf("'%s' is not a valid port number", hostPortStr)68		}69		vmPortStr, proto, found := strings.Cut(vmPortAndProto, ":")70		if !found {71			vmPort, err := strconv.Atoi(vmPortAndProto)72			if err != nil {73				return nil, fmt.Errorf("'%s' is not a valid port number", vmPortAndProto)74			}75			forwards = append(forwards, PortForward{76				HostPort: hostPort,77				VMPort:   vmPort,78				Protocol: "tcp",79			})80			continue81		}82		vmPort, err := strconv.Atoi(vmPortStr)83		if err != nil {84			return nil, fmt.Errorf("'%s' is not a valid port number", vmPortStr)85		}86		proto = strings.ToLower(proto)87		if proto != "tcp" && proto != "udp" {88			return nil, fmt.Errorf("port forward protocol must be tcp or udp")89		}90		forwards = append(forwards, PortForward{91			HostPort: hostPort,92			VMPort:   vmPort,93			Protocol: proto,94		})95	}96	return forwards, nil97}98const qemuBin = "qemu-system-x86_64"99func StartQemu(rcnf RunConf) error {100	qemuArgs, err := BuildQemuArgs(rcnf.Logger, &rcnf)101	if err != nil {102		return err103	}104	if rcnf.QemuPrint {...

conf.go

Source:conf.go

...14	// Daemonize QEMU after initializing15	Daemonize bool16	// Disable the network connection to the VM17	DisableNetwork bool18	ForwardedPorts []PortForward19	Logger *logrus.Logger20	HostMount string21	SerialPort int22}23func (rc *RunConf) testImageFname() string {24	return rc.Image25}26type PortForward struct {27	HostPort int28	VMPort   int29	Protocol string30}...

Forward

Using AI Code Generation

1import (2func main() {3	alicePub, alicePriv, err := box.GenerateKey(rand.Reader)4	if err != nil {5		log.Fatal(err)6	}7	bobPub, bobPriv, err := box.GenerateKey(rand.Reader)8	if err != nil {9		log.Fatal(err)10	}11	kvm := kvm.New()12	aliceSession, err := kvm.NewSession(alicePriv, alicePub, bobPub)13	if err != nil {14		log.Fatal(err)15	}16	bobSession, err := kvm.NewSession(bobPriv, bobPub, alicePub)17	if err != nil {18		log.Fatal(err)19	}20	msg := []byte("Hello, world!")21	encrypted, err := aliceSession.Forward(msg)22	if err != nil {23		log.Fatal(err)24	}25	decrypted, err := bobSession.Open(encrypted)26	if err != nil {27		log.Fatal(err)28	}29	fmt.Println(string(decrypted))30}

Forward

Using AI Code Generation

1import (2func main() {3    k := kvm.Kvm{}4    k.Forward()5}6import (7func main() {8    k := kvm.Kvm{}9    k.Backward()10}11import (12func main() {13    k := kvm.Kvm{}14    k.Left()15}16import (17func main() {18    k := kvm.Kvm{}19    k.Right()20}21import (22func main() {23    k := kvm.Kvm{}24    k.Stop()25}26import (27func main() {28    k := kvm.Kvm{}29    k.Start()30}31import (32func main() {33    k := kvm.Kvm{}34    k.IncreaseSpeed()35}36import (37func main() {38    k := kvm.Kvm{}39    k.DecreaseSpeed()40}41import (

Forward

Using AI Code Generation

1import (2func main() {3	k := kvm.NewKvm()4	k.Forward()5	fmt.Println("Hello, playground")6}7import (8func main() {9	k := kvm.NewKvm()10	k.Backward()11	fmt.Println("Hello, playground")12}13I am new to golang and I am trying to understand how to use packages. I have created a package mykvm with a class Kvm and a method Backward. Now I want to use this package in another package (main package) and want to call the Backward method of Kvm class. I am unable to do this. I have created two files 1.go and 2.go. 1.go is the main package and 2.go is the package which I want to use. I am unable to use the package in 1.go. I am getting the following error:cannot use k (type *Kvm) as type Kvm in argument to k.Backward14import (15func main() {16	k := kvm.NewKvm()17	k.Backward()18	fmt.Println("Hello, playground")19}20./1.go:9: cannot use k (type *Kvm) as type Kvm in argument to k.Backward21import (22func main() {23	k := kvm.NewKvm()24	k.Forward()25	fmt.Println("Hello, playground")26}27./2.go:9: cannot use k (type *Kvm) as type Kvm in argument to k.Forward28type Kvm struct {29}30func NewKvm() *Kvm {31	return &Kvm{}32}33func (k *Kvm) Backward() {34}35func (k *Kvm) Forward() {36}

Forward

Using AI Code Generation

1import (2func main() {3 k := kvm.Kvm{}4 k.Init()5 k.Forward(2)6 fmt.Println("Done")7}

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