How to use Copy method of adb Package

Best Syzkaller code snippet using adb.Copy

go_android_exec.go

Source:go_android_exec.go

1// Copyright 2014 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4// +build ignore5// This program can be used as go_android_GOARCH_exec by the Go tool.6// It executes binaries on an android device using adb.7package main8import (9	"bytes"10	"errors"11	"fmt"12	"go/build"13	"io"14	"io/ioutil"15	"log"16	"os"17	"os/exec"18	"os/signal"19	"path/filepath"20	"runtime"21	"strconv"22	"strings"23	"syscall"24)25func run(args ...string) (string, error) {26	cmd := adbCmd(args...)27	buf := new(bytes.Buffer)28	cmd.Stdout = io.MultiWriter(os.Stdout, buf)29	// If the adb subprocess somehow hangs, go test will kill this wrapper30	// and wait for our os.Stderr (and os.Stdout) to close as a result.31	// However, if the os.Stderr (or os.Stdout) file descriptors are32	// passed on, the hanging adb subprocess will hold them open and33	// go test will hang forever.34	//35	// Avoid that by wrapping stderr, breaking the short circuit and36	// forcing cmd.Run to use another pipe and goroutine to pass37	// along stderr from adb.38	cmd.Stderr = struct{ io.Writer }{os.Stderr}39	err := cmd.Run()40	if err != nil {41		return "", fmt.Errorf("adb %s: %v", strings.Join(args, " "), err)42	}43	return buf.String(), nil44}45func adb(args ...string) error {46	if out, err := adbCmd(args...).CombinedOutput(); err != nil {47		fmt.Fprintf(os.Stderr, "adb %s\n%s", strings.Join(args, " "), out)48		return err49	}50	return nil51}52func adbCmd(args ...string) *exec.Cmd {53	if flags := os.Getenv("GOANDROID_ADB_FLAGS"); flags != "" {54		args = append(strings.Split(flags, " "), args...)55	}56	return exec.Command("adb", args...)57}58const (59	deviceRoot   = "/data/local/tmp/go_android_exec"60	deviceGoroot = deviceRoot + "/goroot"61)62func main() {63	log.SetFlags(0)64	log.SetPrefix("go_android_exec: ")65	exitCode, err := runMain()66	if err != nil {67		log.Fatal(err)68	}69	os.Exit(exitCode)70}71func runMain() (int, error) {72	// Concurrent use of adb is flaky, so serialize adb commands.73	// See https://github.com/golang/go/issues/23795 or74	// https://issuetracker.google.com/issues/73230216.75	lockPath := filepath.Join(os.TempDir(), "go_android_exec-adb-lock")76	lock, err := os.OpenFile(lockPath, os.O_CREATE|os.O_RDWR, 0666)77	if err != nil {78		return 0, err79	}80	defer lock.Close()81	if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {82		return 0, err83	}84	// In case we're booting a device or emulator alongside all.bash, wait for85	// it to be ready. adb wait-for-device is not enough, we have to86	// wait for sys.boot_completed.87	if err := adb("wait-for-device", "exec-out", "while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done;"); err != nil {88		return 0, err89	}90	// Done once per make.bash.91	if err := adbCopyGoroot(); err != nil {92		return 0, err93	}94	// Prepare a temporary directory that will be cleaned up at the end.95	// Binary names can conflict.96	// E.g. template.test from the {html,text}/template packages.97	binName := filepath.Base(os.Args[1])98	deviceGotmp := fmt.Sprintf(deviceRoot+"/%s-%d", binName, os.Getpid())99	deviceGopath := deviceGotmp + "/gopath"100	defer adb("exec-out", "rm", "-rf", deviceGotmp) // Clean up.101	// Determine the package by examining the current working102	// directory, which will look something like103	// "$GOROOT/src/mime/multipart" or "$GOPATH/src/golang.org/x/mobile".104	// We extract everything after the $GOROOT or $GOPATH to run on the105	// same relative directory on the target device.106	subdir, inGoRoot, err := subdir()107	if err != nil {108		return 0, err109	}110	deviceCwd := filepath.Join(deviceGopath, subdir)111	if inGoRoot {112		deviceCwd = filepath.Join(deviceGoroot, subdir)113	} else {114		if err := adb("exec-out", "mkdir", "-p", deviceCwd); err != nil {115			return 0, err116		}117		if err := adbCopyTree(deviceCwd, subdir); err != nil {118			return 0, err119		}120		// Copy .go files from the package.121		goFiles, err := filepath.Glob("*.go")122		if err != nil {123			return 0, err124		}125		if len(goFiles) > 0 {126			args := append(append([]string{"push"}, goFiles...), deviceCwd)127			if err := adb(args...); err != nil {128				return 0, err129			}130		}131	}132	deviceBin := fmt.Sprintf("%s/%s", deviceGotmp, binName)133	if err := adb("push", os.Args[1], deviceBin); err != nil {134		return 0, err135	}136	// Forward SIGQUIT from the go command to show backtraces from137	// the binary instead of from this wrapper.138	quit := make(chan os.Signal, 1)139	signal.Notify(quit, syscall.SIGQUIT)140	go func() {141		for range quit {142			// We don't have the PID of the running process; use the143			// binary name instead.144			adb("exec-out", "killall -QUIT "+binName)145		}146	}()147	// In light of148	// https://code.google.com/p/android/issues/detail?id=3254149	// dont trust the exitcode of adb. Instead, append the exitcode to150	// the output and parse it from there.151	const exitstr = "exitcode="152	cmd := `export TMPDIR="` + deviceGotmp + `"` +153		`; export GOROOT="` + deviceGoroot + `"` +154		`; export GOPATH="` + deviceGopath + `"` +155		`; export CGO_ENABLED=0` +156		`; export GOPROXY=` + os.Getenv("GOPROXY") +157		`; export GOCACHE="` + deviceRoot + `/gocache"` +158		`; export PATH=$PATH:"` + deviceGoroot + `/bin"` +159		`; cd "` + deviceCwd + `"` +160		"; '" + deviceBin + "' " + strings.Join(os.Args[2:], " ") +161		"; echo -n " + exitstr + "$?"162	output, err := run("exec-out", cmd)163	signal.Reset(syscall.SIGQUIT)164	close(quit)165	if err != nil {166		return 0, err167	}168	exitIdx := strings.LastIndex(output, exitstr)169	if exitIdx == -1 {170		return 0, fmt.Errorf("no exit code: %q", output)171	}172	code, err := strconv.Atoi(output[exitIdx+len(exitstr):])173	if err != nil {174		return 0, fmt.Errorf("bad exit code: %v", err)175	}176	return code, nil177}178// subdir determines the package based on the current working directory,179// and returns the path to the package source relative to $GOROOT (or $GOPATH).180func subdir() (pkgpath string, underGoRoot bool, err error) {181	cwd, err := os.Getwd()182	if err != nil {183		return "", false, err184	}185	cwd, err = filepath.EvalSymlinks(cwd)186	if err != nil {187		return "", false, err188	}189	goroot, err := filepath.EvalSymlinks(runtime.GOROOT())190	if err != nil {191		return "", false, err192	}193	if subdir, err := filepath.Rel(goroot, cwd); err == nil {194		if !strings.Contains(subdir, "..") {195			return subdir, true, nil196		}197	}198	for _, p := range filepath.SplitList(build.Default.GOPATH) {199		pabs, err := filepath.EvalSymlinks(p)200		if err != nil {201			return "", false, err202		}203		if subdir, err := filepath.Rel(pabs, cwd); err == nil {204			if !strings.Contains(subdir, "..") {205				return subdir, false, nil206			}207		}208	}209	return "", false, fmt.Errorf("the current path %q is not in either GOROOT(%q) or GOPATH(%q)",210		cwd, runtime.GOROOT(), build.Default.GOPATH)211}212// adbCopyTree copies testdata, go.mod, go.sum files from subdir213// and from parent directories all the way up to the root of subdir.214// go.mod and go.sum files are needed for the go tool modules queries,215// and the testdata directories for tests.  It is common for tests to216// reach out into testdata from parent packages.217func adbCopyTree(deviceCwd, subdir string) error {218	dir := ""219	for {220		for _, path := range []string{"testdata", "go.mod", "go.sum"} {221			path := filepath.Join(dir, path)222			if _, err := os.Stat(path); err != nil {223				continue224			}225			devicePath := filepath.Join(deviceCwd, dir)226			if err := adb("exec-out", "mkdir", "-p", devicePath); err != nil {227				return err228			}229			if err := adb("push", path, devicePath); err != nil {230				return err231			}232		}233		if subdir == "." {234			break235		}236		subdir = filepath.Dir(subdir)237		dir = filepath.Join(dir, "..")238	}239	return nil240}241// adbCopyGoroot clears deviceRoot for previous versions of GOROOT, GOPATH242// and temporary data. Then, it copies relevant parts of GOROOT to the device,243// including the go tool built for android.244// A lock file ensures this only happens once, even with concurrent exec245// wrappers.246func adbCopyGoroot() error {247	// Also known by cmd/dist. The bootstrap command deletes the file.248	statPath := filepath.Join(os.TempDir(), "go_android_exec-adb-sync-status")249	stat, err := os.OpenFile(statPath, os.O_CREATE|os.O_RDWR, 0666)250	if err != nil {251		return err252	}253	defer stat.Close()254	// Serialize check and copying.255	if err := syscall.Flock(int(stat.Fd()), syscall.LOCK_EX); err != nil {256		return err257	}258	s, err := ioutil.ReadAll(stat)259	if err != nil {260		return err261	}262	if string(s) == "done" {263		return nil264	}265	// Delete GOROOT, GOPATH and any leftover test data.266	if err := adb("exec-out", "rm", "-rf", deviceRoot); err != nil {267		return err268	}269	deviceBin := filepath.Join(deviceGoroot, "bin")270	if err := adb("exec-out", "mkdir", "-p", deviceBin); err != nil {271		return err272	}273	goroot := runtime.GOROOT()274	// Build go for android.275	goCmd := filepath.Join(goroot, "bin", "go")276	tmpGo, err := ioutil.TempFile("", "go_android_exec-cmd-go-*")277	if err != nil {278		return err279	}280	tmpGo.Close()281	defer os.Remove(tmpGo.Name())282	if out, err := exec.Command(goCmd, "build", "-o", tmpGo.Name(), "cmd/go").CombinedOutput(); err != nil {283		return fmt.Errorf("failed to build go tool for device: %s\n%v", out, err)284	}285	deviceGo := filepath.Join(deviceBin, "go")286	if err := adb("push", tmpGo.Name(), deviceGo); err != nil {287		return err288	}289	for _, dir := range []string{"src", "test", "lib", "api"} {290		if err := adb("push", filepath.Join(goroot, dir), filepath.Join(deviceGoroot)); err != nil {291			return err292		}293	}294	// Copy only the relevant from pkg.295	if err := adb("exec-out", "mkdir", "-p", filepath.Join(deviceGoroot, "pkg", "tool")); err != nil {296		return err297	}298	if err := adb("push", filepath.Join(goroot, "pkg", "include"), filepath.Join(deviceGoroot, "pkg")); err != nil {299		return err300	}301	runtimea, err := exec.Command(goCmd, "list", "-f", "{{.Target}}", "runtime").Output()302	pkgdir := filepath.Dir(string(runtimea))303	if pkgdir == "" {304		return errors.New("could not find android pkg dir")305	}306	if err := adb("push", pkgdir, filepath.Join(deviceGoroot, "pkg")); err != nil {307		return err308	}...

Copy

Using AI Code Generation

1import (2func main() {3    s := stack.New()4    s.Push(1)5    s.Push(2)6    s.Push(3)7    s.Push(4)8    s.Push(5)9    s.Push(6)10    fmt.Println(s)11    s2 := stack.New()12    s2.Push(10)13    s2.Push(11)14    s2.Push(12)15    s2.Push(13)16    s2.Push(14)17    s2.Push(15)18    fmt.Println(s2)19    s.Copy(s2)20    fmt.Println(s)21}22&{[1 2 3 4 5 6] 6}23&{[10 11 12 13 14 15] 6}24&{[10 11 12 13 14 15] 6}25golang | stack | Pop() method26golang | stack | Push() method27golang | stack | Peek() method28golang | stack | Len() method29golang | stack | New() method30golang | stack | Clear() method31golang | stack | Empty() method32golang | stack | Contains() method33golang | stack | Values() method34golang | stack | String() method

Copy

Using AI Code Generation

1import ( 2func main() {3    f, err := os.Open("1.txt")4    if err != nil {5        fmt.Println(err)6    }7    defer f.Close()8    f2, err := os.Create("2.txt")9    if err != nil {10        fmt.Println(err)11    }12    defer f2.Close()13    _, err = io.Copy(f2, f)14    if err != nil {15        fmt.Println(err)16    }17}18func CopyN(dst Writer, src Reader, n int64) (written int64, err error)19import ( 20func main() {21    f, err := os.Open("1.txt")22    if err != nil {23        fmt.Println(err)24    }25    defer f.Close()26    f2, err := os.Create("3.txt")27    if err != nil {28        fmt.Println(err)29    }30    defer f2.Close()31    _, err = io.CopyN(f2, f, 5)32    if err != nil {33        fmt.Println(err)34    }35}36func CopyBuffer(dst Writer, src Reader, buf []byte) (written int64, err error)37import (

Copy

Using AI Code Generation

1import (2func main() {3    r := mux.NewRouter()4    r.HandleFunc("/copy", CopyHandler)5    http.Handle("/", r)6    http.ListenAndServe(":8080", nil)7}8func CopyHandler(w http.ResponseWriter, r *http.Request) {9    fmt.Fprint(w, "Copy")10}11import (12func main() {13    r := mux.NewRouter()14    r.HandleFunc("/delete", DeleteHandler)15    http.Handle("/", r)16    http.ListenAndServe(":8080", nil)17}18func DeleteHandler(w http.ResponseWriter, r *http.Request) {19    fmt.Fprint(w, "Delete")20}21import (22func main() {23    r := mux.NewRouter()24    r.HandleFunc("/move", MoveHandler)25    http.Handle("/", r)26    http.ListenAndServe(":8080", nil)27}28func MoveHandler(w http.ResponseWriter, r *http.Request) {29    fmt.Fprint(w, "Move")30}31import (32func main() {33    r := mux.NewRouter()34    r.HandleFunc("/rename", RenameHandler)35    http.Handle("/", r)36    http.ListenAndServe(":8080", nil)37}38func RenameHandler(w http.ResponseWriter, r *http.Request) {39    fmt.Fprint(w, "Rename")40}41import (42func main() {43    r := mux.NewRouter()44    r.HandleFunc("/stat", StatHandler)45    http.Handle("/", r)46    http.ListenAndServe(":8080", nil)47}48func StatHandler(w http.ResponseWriter, r *http.Request) {49    fmt.Fprint(w, "Stat")50}

Copy

Using AI Code Generation

1import (2func main() {3	adb := NewAdb()4	device := NewDevice(adb)5	devices, err := device.Devices()6	if err != nil {7		log.Fatal(err)8	}9	for _, device := range devices {10		fmt.Println("Device Name:", device.Name)11		fmt.Println("Device Serial:", device.Serial)12		fmt.Println("Device State:", device.State)13		fmt.Println()14	}15	file := NewFile(adb)16	files, err := file.List("/sdcard")17	if err != nil {18		log.Fatal(err)19	}20	for _, file := range files {21		fmt.Println("File Name:", file.Name)22		fmt.Println("File Size:", file.Size)23		fmt.Println("File Mod Time:", file.ModTime)24		fmt.Println()25	}26	pkg := NewPackage(adb)27	packages, err := pkg.List()28	if err != nil {29		log.Fatal(err)30	}31	for _, pkg := range packages {32		fmt.Println("Package Name:", pkg.Name)33		fmt.Println("Package Version:", pkg.Version)34		fmt.Println("Package Path:", pkg.Path)35		fmt.Println()36	}37	process := NewProcess(adb)38	processes, err := process.List()39	if err != nil {40		log.Fatal(err)41	}

Copy

Using AI Code Generation

1import (2func main() {3	adbInst, err := adb.New()4	if err != nil {5		log.Fatal(err)6	}7	devices, err := adbInst.Devices()8	if err != nil {9		log.Fatal(err)10	}11	err = device.Copy("/sdcard/test.txt", "test.txt")12	if err != nil {13		log.Fatal(err)14	}15	fmt.Println("File copied")16}17import (18func main() {19	adbInst, err := adb.New()20	if err != nil {21		log.Fatal(err)22	}23	devices, err := adbInst.Devices()24	if err != nil {25		log.Fatal(err)26	}27	err = device.Push("test.txt", "/sdcard/test.txt")28	if err != nil {29		log.Fatal(err)30	}31	fmt.Println("File copied")32}

Copy

Using AI Code Generation

1import (2func main() {3	dir, err := os.Getwd()4	if err != nil {5		logrus.Fatal(err)6	}7	fmt.Println(dir)8	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {9		if info.IsDir() {10		}11		if strings.HasSuffix(info.Name(), ".go") {12			file, err := os.Open(path)13			if err != nil {14				logrus.Fatal(err)15			}16			defer file.Close()17			utf8Reader := transform.NewReader(file, simplifiedchinese.GBK.NewDecoder())18			content, err := ioutil.ReadAll(utf8Reader)19			if err != nil {20				logrus.Fatal(err)21			}22			ioutil.WriteFile(path, content, os.ModePerm)23		}24	})25}26import (27func main() {28	dir, err := os.Getwd()29	if err != nil {30		logrus.Fatal(err)31	}32	fmt.Println(dir)33	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {34		if info.IsDir() {35		}

Copy

Using AI Code Generation

1import (2func main() {3	js, err := joystick.Open(0)4	if err != nil {5		panic(err)6	}7	defer js.Close()8	state, err := js.Read()9	if err != nil {10		panic(err)11	}12	pretty.Println(state)13	for {14		state, err = js.Read()15		if err != nil {16			panic(err)17		}18		if state.Buttons[0] {19			fmt.Println("Button 0 pressed")20		}21		if state.Buttons[1] {22			fmt.Println("Button 1 pressed")23		}24	}25}26import (27func main() {28	js, err := joystick.Open(0)29	if err != nil {30		panic(err)31	}32	defer js.Close()33	state, err := js.Read()34	if err != nil {35		panic(err)36	}37	pretty.Println(state)38	for {39		state, err = js.Read()40		if err != nil {41			panic(err)42		}43		if state.Buttons[0] {44			fmt.Println("Button 0 pressed")45		}46		if state.Buttons[1] {47			fmt.Println("Button 1 pressed")48		}49	}50}51import (52func main() {53	js, err := joystick.Open(0)54	if err != nil {55		panic(err)56	}57	defer js.Close()58	state, err := js.Read()59	if err != nil {60		panic(err)61	}62	pretty.Println(state)63	for {64		state, err = js.Read()65		if err != nil {66			panic(err)67		}

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