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How to use splitArgs method of qemu Package

Best Syzkaller code snippet using qemu.splitArgs

qemu.go

Source:qemu.go

...325		"-display", "none",326		"-serial", "stdio",327		"-no-reboot",328	}329	args = append(args, splitArgs(inst.cfg.QemuArgs, filepath.Join(inst.workdir, "template"))...)330	if inst.image == "9p" {331		args = append(args,332			"-fsdev", "local,id=fsdev0,path=/,security_model=none,readonly",333			"-device", "virtio-9p-pci,fsdev=fsdev0,mount_tag=/dev/root",334		)335	} else if inst.image != "" {336		// inst.cfg.ImageDevice can contain spaces337		imgline := strings.Split(inst.cfg.ImageDevice, " ")338		imgline[0] = "-" + imgline[0]339		if strings.HasSuffix(imgline[len(imgline)-1], "file=") {340			imgline[len(imgline)-1] = imgline[len(imgline)-1] + inst.image341		} else {342			imgline = append(imgline, inst.image)343		}344		args = append(args, imgline...)345		if inst.cfg.Snapshot {346			args = append(args, "-snapshot")347		}348	}349	if inst.cfg.Initrd != "" {350		args = append(args,351			"-initrd", inst.cfg.Initrd,352		)353	}354	if inst.cfg.Kernel != "" {355		cmdline := append([]string{}, inst.archConfig.CmdLine...)356		if inst.image == "9p" {357			cmdline = append(cmdline,358				"root=/dev/root",359				"rootfstype=9p",360				"rootflags=trans=virtio,version=9p2000.L,cache=loose",361				"init="+filepath.Join(inst.workdir, "init.sh"),362			)363		}364		cmdline = append(cmdline, inst.cfg.Cmdline)365		args = append(args,366			"-kernel", inst.cfg.Kernel,367			"-append", strings.Join(cmdline, " "),368		)369	}370	if inst.debug {371		log.Logf(0, "running command: %v %#v", inst.cfg.Qemu, args)372	}373	qemu := osutil.Command(inst.cfg.Qemu, args...)374	qemu.Stdout = inst.wpipe375	qemu.Stderr = inst.wpipe376	if err := qemu.Start(); err != nil {377		return fmt.Errorf("failed to start %v %+v: %v", inst.cfg.Qemu, args, err)378	}379	inst.wpipe.Close()380	inst.wpipe = nil381	inst.qemu = qemu382	// Qemu has started.383	// Start output merger.384	var tee io.Writer385	if inst.debug {386		tee = os.Stdout387	}388	inst.merger = vmimpl.NewOutputMerger(tee)389	inst.merger.Add("qemu", inst.rpipe)390	inst.rpipe = nil391	var bootOutput []byte392	bootOutputStop := make(chan bool)393	go func() {394		for {395			select {396			case out := <-inst.merger.Output:397				bootOutput = append(bootOutput, out...)398			case <-bootOutputStop:399				close(bootOutputStop)400				return401			}402		}403	}()404	if err := vmimpl.WaitForSSH(inst.debug, 10*time.Minute, "localhost",405		inst.sshkey, inst.sshuser, inst.os, inst.port, inst.merger.Err); err != nil {406		bootOutputStop <- true407		<-bootOutputStop408		return vmimpl.MakeBootError(err, bootOutput)409	}410	bootOutputStop <- true411	return nil412}413func splitArgs(str, template string) (args []string) {414	for _, arg := range strings.Split(str, " ") {415		if arg == "" {416			continue417		}418		args = append(args, strings.Replace(arg, "{{TEMPLATE}}", template, -1))419	}420	return421}422func (inst *instance) Forward(port int) (string, error) {423	addr := hostAddr424	if inst.target.HostFuzzer {425		addr = "127.0.0.1"426	}427	return fmt.Sprintf("%v:%v", addr, port), nil...

test.go

Source:test.go

...24		os.Exit(1)25	}26}27func run() error {28	args, err := splitArgs(*flagArgs)29	if err != nil {30		return err31	}32	path, err := createJSON(args)33	if err != nil {34		return err35	}36	if err := buildTestBinary(path, args); err != nil {37		return err38	}39	dir, err := pkgDir(args[len(args)-1])40	if err != nil {41		return err42	}43	if err := runTestBinary(dir); err != nil {44		return err45	}46	return nil47}48func createJSON(args []string) (string, error) {49	args = append([]string{"hitsumabushi_program"}, args...)50	options := []hitsumabushi.Option{51		hitsumabushi.Args(args...),52		hitsumabushi.TestPkg(args[len(args)-1]),53	}54	overlayJSON, err := hitsumabushi.GenOverlayJSON(options...)55	if err != nil {56		return "", err57	}58	f, err := os.CreateTemp("", "*.json")59	if err != nil {60		return "", err61	}62	defer f.Close()63	if _, err := f.Write(overlayJSON); err != nil {64		return "", err65	}66	return f.Name(), nil67}68func buildTestBinary(jsonPath string, args []string) error {69	bin := "test"70	if runtime.GOOS == "windows" {71		bin += ".exe"72	}73	cmd := exec.Command("go", "test", "-c", "-vet=off", "-overlay="+jsonPath, "-o="+bin)74	cmd.Args = append(cmd.Args, args...)75	cmd.Env = append(os.Environ(),76		"CGO_ENABLED=1",77		"CGO_CFLAGS=-fno-common -fno-short-enums -ffunction-sections -fdata-sections -fPIC -g -O3")78	if *flagQEMU {79		cmd.Env = append(cmd.Env, "CC=aarch64-linux-gnu-gcc")80	}81	cmd.Stdout = os.Stdout82	cmd.Stderr = os.Stderr83	if err := cmd.Run(); err != nil {84		return err85	}86	return nil87}88func runTestBinary(dir string) error {89	binFilename := "test"90	if runtime.GOOS == "windows" {91		binFilename += ".exe"92	}93	bin, err := filepath.Abs(binFilename)94	if err != nil {95		return err96	}97	var cmd *exec.Cmd98	if *flagQEMU {99		cmd = exec.Command("qemu-aarch64", bin)100		cmd.Env = append(os.Environ(), "QEMU_LD_PREFIX=/usr/aarch64-linux-gnu")101	} else {102		cmd = exec.Command(bin)103	}104	cmd.Stdout = os.Stdout105	cmd.Stderr = os.Stderr106	cmd.Dir = dir107	if err := cmd.Run(); err != nil {108		return err109	}110	return nil111}112func isSpaceByte(c byte) bool {113	return c == ' ' || c == '\t' || c == '\n' || c == '\r'114}115func splitArgs(s string) ([]string, error) {116	// Copied from cmd/internal/quoted/quoted.go117	// Split fields allowing '' or "" around elements.118	// Quotes further inside the string do not count.119	var f []string120	for len(s) > 0 {121		for len(s) > 0 && isSpaceByte(s[0]) {122			s = s[1:]123		}124		if len(s) == 0 {125			break126		}127		// Accepted quoted string. No unescaping inside.128		if s[0] == '"' || s[0] == '\'' {129			quote := s[0]...

splitArgs

Using AI Code Generation

1import (2func main() {3	args = append(args, "qemu-system-x86_64")4	args = append(args, "-enable-kvm")5	args = append(args, "-cpu")6	args = append(args, "host")7	args = append(args, "-m")8	args = append(args, "4096")9	args = append(args, "-smp")10	args = append(args, "4")11	args = append(args, "-drive")12	args = append(args, "file=/home/shruthi/Downloads/centos7.qcow2,format=qcow2,if=virtio")13	args = append(args, "-net")14	args = append(args, "nic,model=virtio")15	args = append(args, "-net")16	args = append(args, "user")17	args = append(args, "-vnc")18	args = append(args, "

splitArgs

Using AI Code Generation

1import (2func main() {3	q := qemu.NewQemu("/usr/bin/qemu-system-x86_64")4	q.SetSMP(4)5	q.SetMemory(2048)6	q.SetCdrom("/home/iso/ubuntu-12.04.4-desktop-amd64.iso")7	q.SetDrive("file=/home/iso/ubuntu-12.04.4-desktop-amd64.iso,index=1,media=cdrom")8	q.SetDrive("file=/home/iso/ubuntu-12.04.4-desktop-amd64.iso,index=2,media=disk")9	q.SetNet("user")10	q.SetNet("nic,model=virtio")11	q.SetSerial("file:/tmp/serial.log")12	q.SetVNC()13	q.SetSdl()14	q.SetSsh("

splitArgs

Using AI Code Generation

1import (2func main() {3    qemu := qemu{}4    args := qemu.splitArgs(os.Args[1:])5    fmt.Println(args)6}7func (qemu *qemu) splitArgs(args []string) []string {8    for _, arg := range args {9        newArgs = append(newArgs, strings.Split(arg, "=")...)10    }11}

splitArgs

Using AI Code Generation

1import (2func main() {3  fmt.Println(qemu.splitArgs(1, 2, 3, 4))4  fmt.Println(qemu.splitArgs(1, 2, 3, 4, 5))5  fmt.Println(qemu.splitArgs(1, 2, 3, 4, 5, 6))6  fmt.Println(qemu.splitArgs(1, 2, 3, 4, 5, 6, 7))7  fmt.Println(qemu.splitArgs(1, 2, 3, 4, 5, 6, 7, 8))8  fmt.Println(qemu.splitArgs(1, 2, 3, 4, 5, 6, 7, 8, 9))

splitArgs

Using AI Code Generation

1import (2func main() {3 q := qemu{}4 args := q.splitArgs("hello world")5 fmt.Println("args: ", args)6}

splitArgs

Using AI Code Generation

1import (2func main() {3	fmt.Println("test string:", testString)4	fmt.Println("test string length:", len(testString))5	fmt.Println("test splitArgs method:", splitArgs(testString))6}7func splitArgs(args string) []string {8	length = len(args)9	for currentPos < length {10		currentChar = rune(args[currentPos])11		switch state {12			if currentChar == ' ' {13			} else if currentChar == '"' {14			} else {15				current += string(currentChar)16			}17			if currentChar == '"' {18				if lastChar == '\\' {19					current += string(currentChar)20				} else {21					ret = append(ret, current)

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