How to use Enabled method of prog Package

Best Syzkaller code snippet using prog.Enabled

fuzzer.go

Source:fuzzer.go Github

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...37 choiceTable *prog.ChoiceTable38 stats [StatCount]uint6439 manager *RPCClient40 target *prog.Target41 faultInjectionEnabled bool42 comparisonTracingEnabled bool43 coverageEnabled bool44 leakCheckEnabled bool45 leakCheckReady uint3246 corpusMu sync.RWMutex47 corpus []*prog.Prog48 corpusHashes map[hash.Sig]struct{}49 signalMu sync.RWMutex50 corpusSignal signal.Signal // signal of inputs in corpus51 maxSignal signal.Signal // max signal ever observed including flakes52 newSignal signal.Signal // diff of maxSignal since last sync with master53 logMu sync.Mutex54 initPrios []float3255 transMatrix [][]float3256 // icy: add57 findCallTable *prog.ChoiceTable58 lenCalls int59}60type Stat int61const (62 StatGenerate Stat = iota63 StatFuzz64 StatCandidate65 StatTriage66 StatMinimize67 StatSmash68 StatHint69 StatSeed70 StatCount71)72var statNames = [StatCount]string{73 StatGenerate: "exec gen",74 StatFuzz: "exec fuzz",75 StatCandidate: "exec candidate",76 StatTriage: "exec triage",77 StatMinimize: "exec minimize",78 StatSmash: "exec smash",79 StatHint: "exec hints",80 StatSeed: "exec seeds",81}82type OutputType int83const (84 OutputNone OutputType = iota85 OutputStdout86 OutputDmesg87 OutputFile88)89func main() {90 // 设置GC91 debug.SetGCPercent(50)92 // 读取参数93 var (94 flagName = flag.String("name", "", "unique name for manager")95 flagArch = flag.String("arch", runtime.GOARCH, "target arch")96 flagManager = flag.String("manager", "", "manager rpc address")97 flagProcs = flag.Int("procs", 1, "number of parallel test processes")98 flagLeak = flag.Bool("leak", false, "detect memory leaks")99 flagOutput = flag.String("output", "stdout", "write programs to none/stdout/dmesg/file")100 flagPprof = flag.String("pprof", "", "address to serve pprof profiles")101 flagTest = flag.Bool("test", false, "enable image testing mode") // used by syz-ci102 )103 // 解析参数104 flag.Parse()105 var outputType OutputType106 switch *flagOutput {107 case "none":108 outputType = OutputNone109 case "stdout":110 outputType = OutputStdout111 case "dmesg":112 outputType = OutputDmesg113 case "file":114 outputType = OutputFile115 default:116 fmt.Fprintf(os.Stderr, "-output flag must be one of none/stdout/dmesg/file\n")117 os.Exit(1)118 }119 Logf(0, "fuzzer started")120 /*121 OS, arch: runtime.GOOS, runtime.GOARCH122 linux/amd64; linux/arm64; windows/amd64 etc;123 */124 target, err := prog.GetTarget(runtime.GOOS, *flagArch)125 if err != nil {126 Fatalf("%v", err)127 }128 // config和execOpts都是配置129 config, execOpts, err := ipc.DefaultConfig()130 if err != nil {131 panic(err)132 }133 // sandbox默认为none134 sandbox := "none"135 if config.Flags&ipc.FlagSandboxSetuid != 0 {136 sandbox = "setuid"137 } else if config.Flags&ipc.FlagSandboxNamespace != 0 {138 sandbox = "namespace"139 }140 // 设置终止信号141 shutdown := make(chan struct{})142 osutil.HandleInterrupts(shutdown)143 go func() {144 // Handles graceful preemption on GCE.145 <-shutdown146 Logf(0, "SYZ-FUZZER: PREEMPTED")147 os.Exit(1)148 }()149 // 新增加的一个功能，用于syz-ci150 if *flagTest {151 testImage(*flagManager, target, sandbox)152 return153 }154 // 通过Pprof在web上监控服务状态，包括cpu占用和内存使用情况155 if *flagPprof != "" {156 go func() {157 err := http.ListenAndServe(*flagPprof, nil)158 Fatalf("failed to serve pprof profiles: %v", err)159 }()160 } else {161 runtime.MemProfileRate = 0162 }163 // 开始通过rpc-server连接syz-manager，传递参数a，返回参数r164 Logf(0, "dialing manager at %v", *flagManager)165 a := &ConnectArgs{*flagName}166 r := &ConnectRes{}167 if err := RPCCall(*flagManager, "Manager.Connect", a, r); err != nil {168 panic(err)169 }170 // buildCallList表示最终被支持的函数，类型map[*prog.Syscall]bool171 calls := buildCallList(target, r.EnabledCalls, sandbox)172 // 通过prios和calls创建函数间距离作为choice_table173 ct := target.BuildChoiceTable(r.Prios, calls, 0)174 // icy: add175 findcalls := findCallList(target, r.FindCalls)176 fct := target.BuildChoiceTable(r.TransMatrix, findcalls, 1)177 // This requires "fault-inject: support systematic fault injection" kernel commit.178 // 错误注入：当我们在开发内核功能或者验证定位问题时，经常需要模拟各种内核的异常场景，来验证程序的健壮性179 // 或加速问题的复现，如内存分配失败，磁盘IO错误超时等。Linux内核继承了一个比较实用的功能“Fault-injection”180 // 来帮助我们进行故障注入，从而构建一些通用的内核异常场景。181 // 包含文件/proc/self/fail-nth表示支持faultInjection182 faultInjectionEnabled := false183 if fd, err := syscall.Open("/proc/self/fail-nth", syscall.O_RDWR, 0); err == nil {184 syscall.Close(fd)185 faultInjectionEnabled = true186 }187 // 模拟Tun设备188 if calls[target.SyscallMap["syz_emit_ethernet"]] ||189 calls[target.SyscallMap["syz_extract_tcp_res"]] {190 config.Flags |= ipc.FlagEnableTun191 }192 // 如果支持faultInjection，判断是否开启了错误注入193 if faultInjectionEnabled {194 config.Flags |= ipc.FlagEnableFault195 }196 // 支持覆盖率收集197 coverageEnabled := config.Flags&ipc.FlagSignal != 0198 // 返回的第一个参数是判断是否支持kcov，第二个参数是判断是否支持trace_cmp199 kcov, comparisonTracingEnabled := checkCompsSupported()200 Logf(0, "kcov=%v, comps=%v", kcov, comparisonTracingEnabled)201 // 首次执行Needcheck为true202 if r.NeedCheck {203 // 执行syz-executor，参数为version204 // 返回四个值 linux amd64 d701f2a2142a12c08b17afbc15110c24f09bf0da205 // f505ca4b5b3b9b595531a66f864a8c2843294c70+206 out, err := osutil.RunCmd(time.Minute, "", config.Executor, "version")207 if err != nil {208 panic(err)209 }210 vers := strings.Split(strings.TrimSpace(string(out)), " ")211 // 检测syz-executor的版本，防止更新后不同版本之间出现兼容性问题212 if len(vers) != 4 {213 panic(fmt.Sprintf("bad executor version: %q", string(out)))214 }215 a := &CheckArgs{216 // fuzz-x表示第几个执行的syz-fuzzer217 Name: *flagName,218 // user namespace219 UserNamespaces: osutil.IsExist("/proc/self/ns/user"),220 // Makefile指定的gitrevision: f505ca4b5b3b9b595531a66f864a8c2843294c70221 // 在git目录运行git rev-parse HEAD显示222 FuzzerGitRev: sys.GitRevision,223 // 对amd64来说为: d701f2a2142a12c08b17afbc15110c24f09bf0da,用于标记不同的Target224 FuzzerSyzRev: target.Revision,225 // 运行syz-executor version得到的结果，用于标记syz-executor的一些信息226 ExecutorGitRev: vers[3],227 ExecutorSyzRev: vers[2],228 ExecutorArch: vers[1],229 }230 a.Kcov = kcov231 // 内核是否支持检测内存泄漏232 if fd, err := syscall.Open("/sys/kernel/debug/kmemleak", syscall.O_RDWR, 0); err == nil {233 syscall.Close(fd)234 a.Leak = true235 }236 // 内核是否支持faultInjection和trace_cmp237 a.Fault = faultInjectionEnabled238 a.CompsSupported = comparisonTracingEnabled239 for c := range calls {240 a.Calls = append(a.Calls, c.Name)241 }242 // 运行Manager.check函数243 if err := RPCCall(*flagManager, "Manager.Check", a, nil); err != nil {244 panic(err)245 }246 }247 // Manager.Connect reply can ve very large and that memory will be permanently cached in the connection.248 // So we do the call on a transient connection, free all memory and reconnect.249 // The rest of rpc requests have bounded size.250 debug.FreeOSMemory()251 manager, err := NewRPCClient(*flagManager)252 if err != nil {253 panic(err)254 }255 // 开启flagLeak，支持内存泄漏检测，将"scanf=off"写入"/sys/kernel/debug/kmemleak"表示256 // 暂停扫描线程（后面会再次开启）257 kmemleakInit(*flagLeak)258 needPoll := make(chan struct{}, 1)259 needPoll <- struct{}{}260 fuzzer := &Fuzzer{261 // fuzzer名称262 name: *flagName,263 // 输出方式，默认为stdout，但是syz-fuzzer的stdout是被重定向到syz-manager的264 outputType: outputType,265 // 配置文件266 config: config,267 execOpts: execOpts,268 // 工作队列，传递进程数和needPool为参数构成一个WorkQueue结构体269 workQueue: newWorkQueue(*flagProcs, needPoll),270 // needpoll参数271 needPoll: needPoll,272 // 函数优先级列表273 choiceTable: ct,274 // RPC客户端275 manager: manager,276 // target277 target: target,278 // 是否支持错误注入279 faultInjectionEnabled: faultInjectionEnabled,280 // 是否支持trace_cmp281 comparisonTracingEnabled: comparisonTracingEnabled,282 // 是否开启覆盖率信息收集283 coverageEnabled: coverageEnabled,284 // 是否开启信息泄露检测285 leakCheckEnabled: *flagLeak,286 // 语料库的hash缩略信息287 corpusHashes: make(map[hash.Sig]struct{}),288 // icytxw: add289 initPrios: r.InitPrios,290 transMatrix: r.TransMatrix,291 findCallTable: fct,292 lenCalls: len(findcalls),293 }294 // ????295 fuzzer.gate = ipc.NewGate(2**flagProcs, fuzzer.leakCheckCallback)296 // 重启的fuzzer不需要经过manager.check阶段，所以r.inputs表示从mgr.corpus中297 // 传递过来的corpus，可以认为是其它fuzzer传入的测试例。由于此时刚启动，认为所有的298 // corpus和signal都是new的。299 for _, inp := range r.Inputs {300 fuzzer.addInputFromAnotherFuzzer(inp)301 }302 // 将manager.connect传递过来的MaxSignal转换为map类型后给fuzzer.MaxSignal303 fuzzer.addMaxSignal(r.MaxSignal.Deserialize())304 // 如果corpus.db中有数据(fuzzer执行一段时间关闭后，重新启动时corpus不为空)，305 // 那么manager传递过来的r.candidates将不为空，每次读取的数量不会超过线程数306 for _, candidate := range r.Candidates {307 p, err := fuzzer.target.Deserialize(candidate.Prog)308 if err != nil {309 panic(err)310 }311 // 开启了coverage，将candidate存到queue中；否则存到corpus中(默认开启)312 if coverageEnabled {313 // prog的类型，在入队的时候能用到314 flags := ProgCandidate315 // candidate是否最小化了，默认从corpus.db中的candidate是最小化了的316 // 通过hub传入的candidate是没有被最小化的317 if candidate.Minimized {318 flags |= ProgMinimized319 }320 // smash粉碎321 if candidate.Smashed {322 flags |= ProgSmashed323 }324 // 将程序p和flags逐个存入workQueue的wq.candidate中325 fuzzer.workQueue.enqueue(&WorkCandidate{326 p: p,327 flags: flags,328 })329 } else {330 fuzzer.addInputToCorpus(p, nil, hash.Hash(candidate.Prog))331 }332 }333 // 多处理器，对多个flagProcs，传入的fuzzer都是一样的(和vmcount的个数有关)334 // 但是它们的pid不同335 for pid := 0; pid < *flagProcs; pid++ {336 // 同一个vm-instance的proc除了pid不同，其他都相同337 proc, err := newProc(fuzzer, pid)338 if err != nil {339 Fatalf("failed to create proc: %v", err)340 }341 // 多个proc的集合342 fuzzer.procs = append(fuzzer.procs, proc)343 // 每个proc都作为一个单独的进程运行344 go proc.loop()345 }346 fuzzer.pollLoop()347}348func (fuzzer *Fuzzer) pollLoop() {349 var execTotal uint64350 var lastPoll time.Time351 var lastPrint time.Time352 ticker := time.NewTicker(3 * time.Second).C353 for {354 poll := false355 select {356 case <-ticker:357 // 我们考虑两种情况358 // 1. manager.go中没有candidate传入359 // 此时r.candidate为nil，workcandidate队列也为空。proc.loop()中的dequeue()函数返回nil，loop()执行360 // 生成测试例，poll除了第一次(第一次由于needPoll被初始化不为空，所以poll为true)为true外，其他的循环都为false。361 // poll的作用个人感觉就是用来加速 if poll || time.Since(lastPoll) > 10*time.Second 这个for循环的，362 // 2. manager.go中有candidate传入363 // 当candidate不为空的时候，每次循环prog.loop()都迅速执行一个candidate，执行的时候读取队列的candidates并会364 // 填满needpoll这个chan，当poolLoop()读取needpoll时，会将poll置为true，加速if poll || time.Since(lastPoll) > 10*365 // time.Second的执行，这个if语句会调用manager.poll重新读取manager的candidate供prog.loop()执行366 case <-fuzzer.needPoll:367 poll = true368 }369 if fuzzer.outputType != OutputStdout && time.Since(lastPrint) > 10*time.Second {370 // Keep-alive for manager.371 Logf(0, "alive, executed %v", execTotal)372 lastPrint = time.Now()373 }374 if poll || time.Since(lastPoll) > 10*time.Second {375 // 之前的版本没有这个判断的，如果len(wq.candidate) < wq.procs，那么needcandidates为true376 needCandidates := fuzzer.workQueue.wantCandidates()377 if poll && !needCandidates {378 continue379 }380 a := &PollArgs{381 Name: fuzzer.name,382 NeedCandidates: needCandidates,383 Stats: make(map[string]uint64),384 }385 // 得到当前执行到的新signal，赋值给a.MaxSignal，注意这里只取了newSignal而不是fuzzer.maxSignal386 // 因为本地的fuzzer.maxSignal和manager很多时重复的，无需再次传递给manager进行比较387 a.MaxSignal = fuzzer.grabNewSignal().Serialize()388 // 结果为多个线程的和389 for _, proc := range fuzzer.procs {390 a.Stats["exec total"] += atomic.SwapUint64(&proc.env.StatExecs, 0)391 a.Stats["executor restarts"] += atomic.SwapUint64(&proc.env.StatRestarts, 0)392 }393 for stat := Stat(0); stat < StatCount; stat++ {394 // 取fuzzer.stats[stat]的值给v并将fuzzer.stats[stat]置0395 v := atomic.SwapUint64(&fuzzer.stats[stat], 0)396 a.Stats[statNames[stat]] = v397 // 执行的总次数时所有状态执行次数的总和398 execTotal += v399 }400 r := &PollRes{}401 if err := fuzzer.manager.Call("Manager.Poll", a, r); err != nil {402 panic(err)403 }404 // maxSignal为新的signal405 maxSignal := r.MaxSignal.Deserialize()406 Logf(1, "poll: candidates=%v inputs=%v signal=%v",407 len(r.Candidates), len(r.NewInputs), maxSignal.Len())408 // 更新maxsignal409 fuzzer.addMaxSignal(maxSignal)410 for _, inp := range r.NewInputs {411 fuzzer.addInputFromAnotherFuzzer(inp)412 }413 for _, candidate := range r.Candidates {414 p, err := fuzzer.target.Deserialize(candidate.Prog)415 if err != nil {416 panic(err)417 }418 if fuzzer.coverageEnabled {419 flags := ProgCandidate420 if candidate.Minimized {421 flags |= ProgMinimized422 }423 if candidate.Smashed {424 flags |= ProgSmashed425 }426 fuzzer.workQueue.enqueue(&WorkCandidate{427 p: p,428 flags: flags,429 })430 } else {431 fuzzer.addInputToCorpus(p, nil, hash.Hash(candidate.Prog))432 }433 }434 if len(r.Candidates) == 0 && fuzzer.leakCheckEnabled &&435 atomic.LoadUint32(&fuzzer.leakCheckReady) == 0 {436 kmemleakScan(false) // ignore boot leaks437 atomic.StoreUint32(&fuzzer.leakCheckReady, 1)438 }439 if len(r.NewInputs) == 0 && len(r.Candidates) == 0 {440 lastPoll = time.Now()441 }442 }443 }444}445// enabledCalls传递的是使能的函数的id构成的string，如：1,2,3,4,5,8446// buildCallList函数的主要作用是删除一些不被支持的函数447func buildCallList(target *prog.Target, enabledCalls, sandbox string) map[*prog.Syscall]bool {448 calls := make(map[*prog.Syscall]bool)449 if enabledCalls != "" {450 // 通过","分离使能的函数并通过parseuint将其转换为int类型451 for _, id := range strings.Split(enabledCalls, ",") {452 n, err := strconv.ParseUint(id, 10, 64)453 // 错误的n值454 if err != nil || n >= uint64(len(target.Syscalls)) {455 panic(fmt.Sprintf("invalid syscall in -calls flag: %v", id))456 }457 // calls存放有效的syscall，key值为syscall458 calls[target.Syscalls[n]] = true459 }460 } else {461 // 如果没有使能的函数，那么默认是使能所有target.syscalls中的函数462 for _, c := range target.Syscalls {463 calls[c] = true464 }465 }466 // 检测内核支持的函数，对linux系统来说，有三种方式检测，具体见函数DetectSupportedSyscalls。467 // syzkaller采用的方法是查看/proc/kallsyms文件对比函数名的方法来判断的468 if supp, err := host.DetectSupportedSyscalls(target, sandbox); err != nil {469 Logf(0, "failed to detect host supported syscalls: %v", err)470 } else {471 // 删除内核不支持的函数472 for c := range calls {473 if !supp[c] {474 Logf(1, "disabling unsupported syscall: %v", c.Name)475 delete(calls, c)476 }477 }478 }479 // 这个函数的主要作用是删除包含无法产生的资源描述符的函数480 trans := target.TransitivelyEnabledCalls(calls)481 for c := range calls {482 if !trans[c] {483 Logf(1, "disabling transitively unsupported syscall: %v", c.Name)484 delete(calls, c)485 }486 }487 return calls488}489// icy: add490func findCallList(target *prog.Target, findCalls map[int]float32) map[*prog.Syscall]bool {491 calls := make(map[*prog.Syscall]bool)492 if findCalls == nil {493 return nil494 }495 for i := range findCalls {496 calls[target.Syscalls[i]] = true497 }498 return calls499}500func (fuzzer *Fuzzer) sendInputToManager(inp RPCInput) {501 // rpc传递给manager的参数502 a := &NewInputArgs{503 Name: fuzzer.name,504 RPCInput: inp,505 }506 // rpc远程过程调用Manager.NewInput函数507 if err := fuzzer.manager.Call("Manager.NewInput", a, nil); err != nil {508 panic(err)509 }510}511// 将其他fuzzer来的input添加到corpus中并且更新fuzzer的maxSignal和corpusSignal512func (fuzzer *Fuzzer) addInputFromAnotherFuzzer(inp RPCInput) {513 if !fuzzer.coverageEnabled {514 panic("should not be called when coverage is disabled")515 }516 // 将byte[]类型的函数集(一个测试例)转换为prog类型517 p, err := fuzzer.target.Deserialize(inp.Prog)518 if err != nil {519 panic(err)520 }521 // 求此函数集(一个测试例)的hash值522 sig := hash.Hash(inp.Prog)523 // 将结构体类型的signal转换为map类型的signal524 sign := inp.Signal.Deserialize()525 fuzzer.addInputToCorpus(p, sign, sig)526}527// addInputToCorpus将包含新边的测试例加入fuzzer.corpus中，并更新fuzzer.maxSignal和fuzzer.corpusSignal...

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stress.go

Source:stress.go Github

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...131 config, execOpts, err := ipcconfig.Default(target)132 if err != nil {133 return nil, nil, err134 }135 if featuresFlags["tun"].Enabled && features[host.FeatureNetInjection].Enabled {136 config.Flags |= ipc.FlagEnableTun137 }138 if featuresFlags["net_dev"].Enabled && features[host.FeatureNetDevices].Enabled {139 config.Flags |= ipc.FlagEnableNetDev140 }141 if featuresFlags["net_reset"].Enabled {142 config.Flags |= ipc.FlagEnableNetReset143 }144 if featuresFlags["cgroups"].Enabled {145 config.Flags |= ipc.FlagEnableCgroups146 }147 if featuresFlags["close_fds"].Enabled {148 config.Flags |= ipc.FlagEnableCloseFds149 }150 if featuresFlags["devlink_pci"].Enabled && features[host.FeatureDevlinkPCI].Enabled {151 config.Flags |= ipc.FlagEnableDevlinkPCI152 }153 if featuresFlags["vhci"].Enabled && features[host.FeatureVhciInjection].Enabled {154 config.Flags |= ipc.FlagEnableVhciInjection155 }156 return config, execOpts, nil157}158func buildCallList(target *prog.Target, enabled []string) map[*prog.Syscall]bool {159 if *flagOS != runtime.GOOS {160 // This is currently used on akaros, where syz-stress runs on host.161 calls := make(map[*prog.Syscall]bool)162 for _, c := range target.Syscalls {163 calls[c] = true164 }165 return calls166 }167 calls, disabled, err := host.DetectSupportedSyscalls(target, "none")168 if err != nil {169 log.Fatalf("failed to detect host supported syscalls: %v", err)170 }171 if len(enabled) != 0 {172 syscallsIDs, err := mgrconfig.ParseEnabledSyscalls(target, enabled, nil)173 if err != nil {174 log.Fatalf("failed to parse enabled syscalls: %v", err)175 }176 enabledSyscalls := make(map[*prog.Syscall]bool)177 for _, id := range syscallsIDs {178 enabledSyscalls[target.Syscalls[id]] = true179 }180 for c := range calls {181 if !enabledSyscalls[c] {182 delete(calls, c)183 }184 }185 for c := range disabled {186 if !enabledSyscalls[c] {187 delete(disabled, c)188 }189 }190 }191 for c, reason := range disabled {192 log.Logf(0, "unsupported syscall: %v: %v", c.Name, reason)193 }194 calls, disabled = target.TransitivelyEnabledCalls(calls)195 for c, reason := range disabled {196 log.Logf(0, "transitively unsupported: %v: %v", c.Name, reason)197 }198 return calls199}...

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base_1203__get_self_md5_sha.go

Source:base_1203__get_self_md5_sha.go Github

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...18 progSha _Tb256 // sha256sum : 32 byte : 2c6e3b458d5c482bc52a1d7d4f5a7d7766381c9f07d9b32ca605ae45b4e473f519 startTime time.Time20 startTimEsha _Tb25621 MySeq128 []byte22 debugEnabled bool23} // _Tself24func _Fbase_1203__detect_debug_enabled() {25 // prog : 126 // prog x1 x2 x3 : 427 __VparaLen := len(os.Args)28 if 1 != __VparaLen {29 // func hex.DecodeString(s string) ([]byte, error)30 __Vhex, __Verr := hex.DecodeString(os.Args[__VparaLen-1])31 if nil == __Verr {32 //if fmt.Sprintf("%x" , __Vhex) == fmt.Sprintf("%x" , _VS.progSha ) {33 if bytes.Equal(__Vhex, _VS.progSha.b256) {34 _VS.debugEnabled = true35 }36 }37 }38 log.Printf(" _VS.debugEnabled : %t\n", _VS.debugEnabled)39} // _Fbase_1203__detect_debug_enabled40func _Fbase_1203__gen_self_md5_sha() {41 _VS.progPath = os.Args[0]42 __Vcontent, __Verr := ioutil.ReadFile(_VS.progPath)43 if __Verr != nil {44 log.Fatalf("err138191", __Verr)45 }46 _VS.progSha._Fbase_1101__gen_shaT(&__Vcontent)47 _VS.progMd5._Fbase_1101__gen_md5T(&__Vcontent)48 _FpfN(" 838191 _Fbase_1101b__gen_md5Only return : [%x] (%x %x)", _VS.progMd5.b128, _VS.progMd5.A1, _VS.progMd5.A2)49 _FpfN("from:%s", _VS.progPath)50 _FpfN(" 8381191 File md5: [ %x ]", _VS.progMd5.b128)51 _FpfN(" 8381192 File sha: [ %x ] %x %x %x %x ", _VS.progSha.b256, _VS.progSha.A1, _VS.progSha.A2, _VS.progSha.A3, _VS.progSha.A4)52} // _Fbase_1203__gen_self_md5_sha...

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Enabled

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1import (2func main() {3 p := prog.Prog{}4 fmt.Println(p.Enabled())5}6type Prog struct {7}8func (p *Prog) Enabled() bool {9}

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Enabled

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1import "fmt"2func main() {3 fmt.Println("Hello, playground")4 p := prog{}5 p.Enabled()6}7import "fmt"8type prog struct {9}10func (p *prog) Enabled() {11 fmt.Println("Enabled")12}

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Enabled

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1import (2func main() {3 fmt.Println("Enabled:", prog.Enabled())4}5func Enabled() bool {6}7 /usr/lib/go-1.10/src/prog (from $GOROOT)8 ($GOPATH not set)9export GOPATH=$GOPATH:$(pwd)

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

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Enabled

Using AI Code Generation

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1import (2func main() {3 p := prog.Prog{}4 fmt.Println(p.Name, p.Enabled)5}6import (7func main() {8 p := prog.Prog{}9 p.SetEnabled(true)10 p.SetName("Hello")11 fmt.Println(p.GetName(), p.IsEnabled())12}13import (14func main() {15 p := prog.Prog{}16 p.SetEnabled(true)17 p.SetName("Hello")18 fmt.Println(p.GetName(), p.IsEnabled())19}

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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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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