How to use checkWifiEmulation method of host Package

Best Syzkaller code snippet using host.checkWifiEmulation

features_linux.go

Source:features_linux.go Github

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...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)...

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checkWifiEmulation

Using AI Code Generation

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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}

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checkWifiEmulation

Using AI Code Generation

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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}

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checkWifiEmulation

Using AI Code Generation

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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}

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checkWifiEmulation

Using AI Code Generation

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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() {

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checkWifiEmulation

Using AI Code Generation

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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}

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checkWifiEmulation

Using AI Code Generation

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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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