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Automation Advisor
Syzkaller
host
checkWifiEmulation

How to use checkWifiEmulation method of host Package

Best Syzkaller code snippet using host.checkWifiEmulation

features_linux.go

Source:features_linux.go

...27	checkFeature[FeatureKCSAN] = checkKCSAN28	checkFeature[FeatureDevlinkPCI] = checkDevlinkPCI29	checkFeature[FeatureUSBEmulation] = checkUSBEmulation30	checkFeature[FeatureVhciInjection] = checkVhciInjection31	checkFeature[FeatureWifiEmulation] = checkWifiEmulation32	checkFeature[Feature802154Emulation] = check802154Emulation33}34func checkCoverage() string {35	if reason := checkDebugFS(); reason != "" {36		return reason37	}38	if !osutil.IsExist("/sys/kernel/debug/kcov") {39		return "CONFIG_KCOV is not enabled"40	}41	if err := osutil.IsAccessible("/sys/kernel/debug/kcov"); err != nil {42		return err.Error()43	}44	return ""45}46func checkComparisons() (reason string) {47	return checkCoverageFeature(FeatureComparisons)48}49func checkExtraCoverage() (reason string) {50	return checkCoverageFeature(FeatureExtraCoverage)51}52func checkCoverageFeature(feature int) (reason string) {53	if reason = checkDebugFS(); reason != "" {54		return reason55	}56	// TODO(dvyukov): this should run under target arch.57	// E.g. KCOV ioctls were initially not supported on 386 (missing compat_ioctl),58	// and a 386 executor won't be able to use them, but an amd64 fuzzer will be.59	fd, err := syscall.Open("/sys/kernel/debug/kcov", syscall.O_RDWR, 0)60	if err != nil {61		return "CONFIG_KCOV is not enabled"62	}63	defer syscall.Close(fd)64	// Trigger host target lazy initialization, it will fill linux.KCOV_INIT_TRACE.65	// It's all wrong and needs to be refactored.66	if _, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH); err != nil {67		return fmt.Sprintf("failed to get target: %v", err)68	}69	coverSize := uintptr(64 << 10)70	_, _, errno := syscall.Syscall(71		syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_INIT_TRACE, coverSize)72	if errno != 0 {73		return fmt.Sprintf("ioctl(KCOV_INIT_TRACE) failed: %v", errno)74	}75	mem, err := syscall.Mmap(fd, 0, int(coverSize*unsafe.Sizeof(uintptr(0))),76		syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED)77	if err != nil {78		return fmt.Sprintf("KCOV mmap failed: %v", err)79	}80	defer func() {81		if err := syscall.Munmap(mem); err != nil {82			reason = fmt.Sprintf("munmap failed: %v", err)83		}84	}()85	switch feature {86	case FeatureComparisons:87		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,88			uintptr(fd), linux.KCOV_ENABLE, linux.KCOV_TRACE_CMP)89		if errno != 0 {90			if errno == 524 { // ENOTSUPP91				return "CONFIG_KCOV_ENABLE_COMPARISONS is not enabled"92			}93			return fmt.Sprintf("ioctl(KCOV_TRACE_CMP) failed: %v", errno)94		}95	case FeatureExtraCoverage:96		arg := KcovRemoteArg{97			TraceMode:    uint32(linux.KCOV_TRACE_PC),98			AreaSize:     uint32(coverSize * unsafe.Sizeof(uintptr(0))),99			NumHandles:   0,100			CommonHandle: 0,101		}102		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,103			uintptr(fd), linux.KCOV_REMOTE_ENABLE, uintptr(unsafe.Pointer(&arg)))104		if errno != 0 {105			if errno == 25 { // ENOTTY106				return "extra coverage is not supported by the kernel"107			}108			return fmt.Sprintf("ioctl(KCOV_REMOTE_ENABLE) failed: %v", errno)109		}110	default:111		panic("unknown feature in checkCoverageFeature")112	}113	defer func() {114		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_DISABLE, 0)115		if errno != 0 {116			reason = fmt.Sprintf("ioctl(KCOV_DISABLE) failed: %v", errno)117		}118	}()119	return ""120}121type KcovRemoteArg struct {122	TraceMode    uint32123	AreaSize     uint32124	NumHandles   uint32125	_            uint32126	CommonHandle uint64127	// Handles []uint64 goes here.128}129func checkFault() string {130	if err := osutil.IsAccessible("/proc/self/make-it-fail"); err != nil {131		return "CONFIG_FAULT_INJECTION is not enabled"132	}133	if err := osutil.IsAccessible("/proc/thread-self/fail-nth"); err != nil {134		return "kernel does not have systematic fault injection support"135	}136	if reason := checkDebugFS(); reason != "" {137		return reason138	}139	if err := osutil.IsAccessible("/sys/kernel/debug/failslab/ignore-gfp-wait"); err != nil {140		return "CONFIG_FAULT_INJECTION_DEBUG_FS or CONFIG_FAILSLAB are not enabled"141	}142	return ""143}144func checkLeak() string {145	if reason := checkDebugFS(); reason != "" {146		return reason147	}148	fd, err := syscall.Open("/sys/kernel/debug/kmemleak", syscall.O_RDWR, 0)149	if err != nil {150		return "CONFIG_DEBUG_KMEMLEAK is not enabled"151	}152	defer syscall.Close(fd)153	if _, err := syscall.Write(fd, []byte("scan=off")); err != nil {154		if err == syscall.EBUSY {155			return "KMEMLEAK disabled: increase CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE or unset CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF"156		}157		return fmt.Sprintf("/sys/kernel/debug/kmemleak write failed: %v", err)158	}159	return ""160}161func checkSandboxNamespace() string {162	if err := osutil.IsAccessible("/proc/self/ns/user"); err != nil {163		return err.Error()164	}165	return ""166}167func checkSandboxAndroid() string {168	if err := osutil.IsAccessible("/sys/fs/selinux/policy"); err != nil {169		return err.Error()170	}171	return ""172}173func checkNetInjection() string {174	if err := osutil.IsAccessible("/dev/net/tun"); err != nil {175		return err.Error()176	}177	return ""178}179func checkUSBEmulation() string {180	if err := osutil.IsAccessible("/dev/raw-gadget"); err != nil {181		return err.Error()182	}183	return ""184}185func checkVhciInjection() string {186	if err := osutil.IsAccessible("/dev/vhci"); err != nil {187		return err.Error()188	}189	return ""190}191func checkDebugFS() string {192	if err := osutil.IsAccessible("/sys/kernel/debug"); err != nil {193		return "debugfs is not enabled or not mounted"194	}195	return ""196}197func checkKCSAN() string {198	if err := osutil.IsAccessible("/sys/kernel/debug/kcsan"); err != nil {199		return err.Error()200	}201	return ""202}203func checkDevlinkPCI() string {204	if err := osutil.IsAccessible("/sys/bus/pci/devices/0000:00:10.0/"); err != nil {205		return "PCI device 0000:00:10.0 is not available"206	}207	return ""208}209func checkWifiEmulation() string {210	if err := osutil.IsAccessible("/sys/class/mac80211_hwsim/"); err != nil {211		return err.Error()212	}213	// We use HWSIM_ATTR_PERM_ADDR which was added in 4.17.214	return requireKernel(4, 17)215}216func check802154Emulation() string {217	if err := osutil.IsAccessible("/sys/bus/platform/devices/mac802154_hwsim"); err != nil {218		return err.Error()219	}220	return ""221}222func requireKernel(x, y int) string {223	info := new(unix.Utsname)...

checkWifiEmulation

Using AI Code Generation

1import (2func main() {3	fmt.Println(host.checkWifiEmulation())4}5import (6func main() {7	fmt.Println(host.checkWifiEmulation())8}9import (10func main() {11	fmt.Println(host.checkWifiEmulation())12}13import (14func main() {15	fmt.Println(host.checkWifiEmulation())16}17import (18func main() {19	fmt.Println(host.checkWifiEmulation())20}21import (22func main() {23	fmt.Println(host.checkWifiEmulation())24}25import (26func main() {27	fmt.Println(host.checkWifiEmulation())28}29import (30func main() {31	fmt.Println(host.checkWifiEmulation())32}33import (34func main() {35	fmt.Println(host.checkWifiEmulation())36}37import (38func main() {39	fmt.Println(host.checkWifiEmulation())40}41import (42func main() {43	fmt.Println(host.checkWifiEmulation())44}

checkWifiEmulation

Using AI Code Generation

1import (2func main() {3    network := simulations.NewNetwork(adapters.NewSimAdapter(services), &simulations.NetworkConfig{4    })5    node, err := network.NewNodeWithConfig(&adapters.NodeConfig{6        Services: []string{"host"},7    })8    if err != nil {9        panic(err)10    }11    if err := network.Start(node.ID()); err != nil {12        panic(err)13    }14    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)15    defer cancel()16    if _, err := network.WaitTillHealthy(ctx, 1); err != nil {17        panic(err)18    }19    host := network.GetNode(node.ID()).Service("host").(*p2p.Server)20    fmt.Println("CheckWifiEmulation:", host.CheckWifiEmulation())21}

checkWifiEmulation

Using AI Code Generation

1import (2func main() {3    c, err := net.Dial("tcp", "www.google.com:80")4    if err != nil {5        fmt.Println("Connection error")6    }7    c.Close()8}

checkWifiEmulation

Using AI Code Generation

1func main() {2    hostObj.CheckWifiEmulation()3}4func main() {5    hostObj.CheckWifiEmulation()6}7func main() {8    hostObj.CheckWifiEmulation()9}10func main() {11    hostObj.CheckWifiEmulation()12}13func main() {14    hostObj.CheckWifiEmulation()15}16func main() {17    hostObj.CheckWifiEmulation()18}19func main() {20    hostObj.CheckWifiEmulation()21}22func main() {23    hostObj.CheckWifiEmulation()24}25func main() {26    hostObj.CheckWifiEmulation()27}28func main() {29    hostObj.CheckWifiEmulation()30}31func main() {32    hostObj.CheckWifiEmulation()33}34func main() {35    hostObj.CheckWifiEmulation()36}37func main() {

checkWifiEmulation

Using AI Code Generation

1import (2func main() {3    fmt.Println("gowifi example 2")4    fmt.Println("check wifi emulation")5    wifi, err := gowifi.New()6    if err != nil {7        fmt.Println("error:", err)8    }9    defer wifi.Close()10    emulation, err := wifi.CheckWifiEmulation()11    if err != nil {12        fmt.Println("error:", err)13    }14    fmt.Println("emulation:", emulation)15}

checkWifiEmulation

Using AI Code Generation

1import (2type host struct {3}4func (h *host) checkWifiEmulation() bool {5}6func main() {7	h := host{}8	t := reflect.TypeOf(h)9	m, _ := t.MethodByName("checkWifiEmulation")10	if m.PkgPath == "" {11		fmt.Println("Method is exported")12	} else {13		fmt.Println("Method is not exported")14	}15}

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