How to use IsAccessible method of osutil Package

Best Syzkaller code snippet using osutil.IsAccessible

features_linux.go

Source:features_linux.go

...32	}33	if !osutil.IsExist("/sys/kernel/debug/kcov") {34		return "CONFIG_KCOV is not enabled"35	}36	if err := osutil.IsAccessible("/sys/kernel/debug/kcov"); err != nil {37		return err.Error()38	}39	return ""40}41func checkComparisons() (reason string) {42	return checkCoverageFeature(FeatureComparisons)43}44func checkExtraCoverage() (reason string) {45	return checkCoverageFeature(FeatureExtraCoverage)46}47func checkCoverageFeature(feature int) (reason string) {48	if reason = checkDebugFS(); reason != "" {49		return reason50	}51	// TODO(dvyukov): this should run under target arch.52	// E.g. KCOV ioctls were initially not supported on 386 (missing compat_ioctl),53	// and a 386 executor won't be able to use them, but an amd64 fuzzer will be.54	fd, err := syscall.Open("/sys/kernel/debug/kcov", syscall.O_RDWR, 0)55	if err != nil {56		return "CONFIG_KCOV is not enabled"57	}58	defer syscall.Close(fd)59	// Trigger host target lazy initialization, it will fill linux.KCOV_INIT_TRACE.60	// It's all wrong and needs to be refactored.61	if _, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH); err != nil {62		return fmt.Sprintf("failed to get target: %v", err)63	}64	coverSize := uintptr(64 << 10)65	_, _, errno := syscall.Syscall(66		syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_INIT_TRACE, coverSize)67	if errno != 0 {68		return fmt.Sprintf("ioctl(KCOV_INIT_TRACE) failed: %v", errno)69	}70	mem, err := syscall.Mmap(fd, 0, int(coverSize*unsafe.Sizeof(uintptr(0))),71		syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED)72	if err != nil {73		return fmt.Sprintf("KCOV mmap failed: %v", err)74	}75	defer func() {76		if err := syscall.Munmap(mem); err != nil {77			reason = fmt.Sprintf("munmap failed: %v", err)78		}79	}()80	switch feature {81	case FeatureComparisons:82		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,83			uintptr(fd), linux.KCOV_ENABLE, linux.KCOV_TRACE_CMP)84		if errno != 0 {85			if errno == 524 { // ENOTSUPP86				return "CONFIG_KCOV_ENABLE_COMPARISONS is not enabled"87			}88			return fmt.Sprintf("ioctl(KCOV_TRACE_CMP) failed: %v", errno)89		}90	case FeatureExtraCoverage:91		arg := KcovRemoteArg{92			TraceMode:    uint32(linux.KCOV_TRACE_PC),93			AreaSize:     uint32(coverSize * unsafe.Sizeof(uintptr(0))),94			NumHandles:   0,95			CommonHandle: 0,96		}97		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,98			uintptr(fd), linux.KCOV_REMOTE_ENABLE, uintptr(unsafe.Pointer(&arg)))99		if errno != 0 {100			if errno == 25 { // ENOTTY101				return "extra coverage is not supported by the kernel"102			}103			return fmt.Sprintf("ioctl(KCOV_REMOTE_ENABLE) failed: %v", errno)104		}105	default:106		panic("unknown feature in checkCoverageFeature")107	}108	defer func() {109		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_DISABLE, 0)110		if errno != 0 {111			reason = fmt.Sprintf("ioctl(KCOV_DISABLE) failed: %v", errno)112		}113	}()114	return ""115}116type KcovRemoteArg struct {117	TraceMode    uint32118	AreaSize     uint32119	NumHandles   uint32120	CommonHandle uint64121	// Handles []uint64 goes here.122}123func checkFault() string {124	if err := osutil.IsAccessible("/proc/self/make-it-fail"); err != nil {125		return "CONFIG_FAULT_INJECTION is not enabled"126	}127	if err := osutil.IsAccessible("/proc/thread-self/fail-nth"); err != nil {128		return "kernel does not have systematic fault injection support"129	}130	if reason := checkDebugFS(); reason != "" {131		return reason132	}133	if err := osutil.IsAccessible("/sys/kernel/debug/failslab/ignore-gfp-wait"); err != nil {134		return "CONFIG_FAULT_INJECTION_DEBUG_FS or CONFIG_FAILSLAB are not enabled"135	}136	return ""137}138func checkLeak() string {139	if reason := checkDebugFS(); reason != "" {140		return reason141	}142	fd, err := syscall.Open("/sys/kernel/debug/kmemleak", syscall.O_RDWR, 0)143	if err != nil {144		return "CONFIG_DEBUG_KMEMLEAK is not enabled"145	}146	defer syscall.Close(fd)147	if _, err := syscall.Write(fd, []byte("scan=off")); err != nil {148		if err == syscall.EBUSY {149			return "KMEMLEAK disabled: increase CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE or unset CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF"150		}151		return fmt.Sprintf("/sys/kernel/debug/kmemleak write failed: %v", err)152	}153	return ""154}155func checkSandboxNamespace() string {156	if err := osutil.IsAccessible("/proc/self/ns/user"); err != nil {157		return err.Error()158	}159	return ""160}161func checkSandboxAndroid() string {162	if err := osutil.IsAccessible("/sys/fs/selinux/policy"); err != nil {163		return err.Error()164	}165	return ""166}167func checkNetInjection() string {168	if err := osutil.IsAccessible("/dev/net/tun"); err != nil {169		return err.Error()170	}171	return ""172}173func checkUSBEmulation() string {174	if err := osutil.IsAccessible("/dev/raw-gadget"); err != nil {175		return err.Error()176	}177	return ""178}179func checkVhciInjection() string {180	if err := osutil.IsAccessible("/dev/vhci"); err != nil {181		return err.Error()182	}183	return ""184}185func checkDebugFS() string {186	if err := osutil.IsAccessible("/sys/kernel/debug"); err != nil {187		return "debugfs is not enabled or not mounted"188	}189	return ""190}191func checkKCSAN() string {192	if err := osutil.IsAccessible("/sys/kernel/debug/kcsan"); err != nil {193		return err.Error()194	}195	return ""196}197func checkDevlinkPCI() string {198	if err := osutil.IsAccessible("/sys/bus/pci/devices/0000:00:10.0/"); err != nil {199		return "PCI device 0000:00:10.0 is not available"200	}201	return ""202}...

IsAccessible

Using AI Code Generation

1import (2func main() {3	fmt.Println(utils.IsAccessible("2.go"))4	fmt.Println(utils.IsAccessible("3.go"))5	fmt.Println(utils.IsAccessible("4.go"))6	fmt.Println(utils.IsAccessible("5.go"))7	fmt.Println(utils.IsAccessible("6.go"))8	fmt.Println(utils.IsAccessible("7.go"))9	fmt.Println(utils.IsAccessible("8.go"))10	fmt.Println(utils.IsAccessible("9.go"))11	fmt.Println(utils.IsAccessible("10.go"))12	fmt.Println(utils.IsAccessible("11.go"))13}

IsAccessible

Using AI Code Generation

1import (2func main() {3	fmt.Println(osutil.IsAccessible("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))4}5import (6func main() {7	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))8}9import (10func main() {11	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))12}13import (14func main() {15	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))16}17import (18func main() {19	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))20}21import (22func main() {23	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))24}25import (26func main() {27	fmt.Println(osutil.IsExist("/home/astaxie/gopath/src/github.com/astaxie/beego/osutil/osutil.go"))

IsAccessible

Using AI Code Generation

1import (2func main() {3    fi, _ := os.Open("test.txt")4    defer fi.Close()5    fmt.Println(osutil.IsAccessible(fi))6}7func IsReadable(file *os.File) bool8import (9func main() {10    fi, _ := os.Open("test.txt")11    defer fi.Close()12    fmt.Println(osutil.IsReadable(fi))13}14func IsWritable(file *os.File) bool15import (16func main() {17    fi, _ := os.Open("test.txt")18    defer fi.Close()19    fmt.Println(osutil.IsWritable(fi))20}21func IsExecutable(file *os.File) bool22import (23func main() {24    fi, _ := os.Open("test.txt")25    defer fi.Close()26    fmt.Println(osutil.IsExecutable(fi))27}28func IsDir(file *os.File) bool29import (

IsAccessible

Using AI Code Generation

1import (2func main() {3	ok := osutil.IsAccessible("/etc/passwd")4	fmt.Printf("IsAccessible: %v5}6import (7func main() {8	ok := osutil.IsAccessible("/etc/passwd")9	fmt.Printf("IsAccessible: %v10}11import (12func main() {13	ok := osutil.IsAccessible("/etc/passwd")14	fmt.Printf("IsAccessible: %v15}16import (17func main() {18	ok := osutil.IsAccessible("/etc/passwd")19	fmt.Printf("IsAccessible: %v20}21import (22func main() {23	ok := osutil.IsAccessible("/etc/passwd")24	fmt.Printf("IsAccessible: %v25}26import (27func main() {28	ok := osutil.IsAccessible("/etc/passwd")29	fmt.Printf("IsAccessible: %v30}31import (

IsAccessible

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, World!")4    user, err := user.Current()5    if err != nil {6        panic(err)7    }8    fmt.Println(user.Username)9    fmt.Println(user.HomeDir)10    fmt.Println(user.Uid)11    fmt.Println(user.Gid)12    fmt.Println(user.Name)13    fmt.Println(user.Gecos)14    fmt.Println(user.Dir)15    fmt.Println(user.Shell)16    fmt.Println(osutil.IsAccessible(user.HomeDir))17    fmt.Println(osutil.IsAccessible(user.Shell))18    fmt.Println(osutil.IsAccessible("/home/akshay/"))19    fmt.Println(osutil.IsAccessible("/home/akshay/abc"))20    cmd := exec.Command("ls", "-l")21    cmd.Run()22}

IsAccessible

Using AI Code Generation

1import (2func main() {3    if osutil.IsAccessible(file) {4        fmt.Println("File exists")5    } else {6        fmt.Println("File does not exist")7    }8    if osutil.IsAccessible(dir) {9        fmt.Println("Directory exists")10    } else {11        fmt.Println("Directory does not exist")12    }13}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.