How to use httpFuncCover method of main Package

Best Syzkaller code snippet using main.httpFuncCover

html.go

Source:html.go

...45	mux.HandleFunc("/report", mgr.httpReport)46	mux.HandleFunc("/rawcover", mgr.httpRawCover)47	mux.HandleFunc("/rawcoverfiles", mgr.httpRawCoverFiles)48	mux.HandleFunc("/filterpcs", mgr.httpFilterPCs)49	mux.HandleFunc("/funccover", mgr.httpFuncCover)50	mux.HandleFunc("/filecover", mgr.httpFileCover)51	mux.HandleFunc("/input", mgr.httpInput)52	// Browsers like to request this, without special handler this goes to / handler.53	mux.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {})54	log.Logf(0, "serving http on http://%v", mgr.cfg.HTTP)55	go func() {56		err := http.ListenAndServe(mgr.cfg.HTTP, handlers.CompressHandler(mux))57		if err != nil {58			log.Fatalf("failed to listen on %v: %v", mgr.cfg.HTTP, err)59		}60	}()61}62func (mgr *Manager) httpSummary(w http.ResponseWriter, r *http.Request) {63	data := &UISummaryData{64		Name:  mgr.cfg.Name,65		Log:   log.CachedLogOutput(),66		Stats: mgr.collectStats(),67	}68	var err error69	if data.Crashes, err = mgr.collectCrashes(mgr.cfg.Workdir); err != nil {70		http.Error(w, fmt.Sprintf("failed to collect crashes: %v", err), http.StatusInternalServerError)71		return72	}73	executeTemplate(w, summaryTemplate, data)74}75func (mgr *Manager) httpConfig(w http.ResponseWriter, r *http.Request) {76	data, err := json.MarshalIndent(mgr.cfg, "", "\t")77	if err != nil {78		http.Error(w, fmt.Sprintf("failed to encode json: %v", err),79			http.StatusInternalServerError)80		return81	}82	w.Write(data)83}84func (mgr *Manager) httpSyscalls(w http.ResponseWriter, r *http.Request) {85	data := &UISyscallsData{86		Name: mgr.cfg.Name,87	}88	for c, cc := range mgr.collectSyscallInfo() {89		var syscallID *int90		if syscall, ok := mgr.target.SyscallMap[c]; ok {91			syscallID = &syscall.ID92		}93		data.Calls = append(data.Calls, UICallType{94			Name:   c,95			ID:     syscallID,96			Inputs: cc.count,97			Cover:  len(cc.cov),98		})99	}100	sort.Slice(data.Calls, func(i, j int) bool {101		return data.Calls[i].Name < data.Calls[j].Name102	})103	executeTemplate(w, syscallsTemplate, data)104}105func (mgr *Manager) collectStats() []UIStat {106	mgr.mu.Lock()107	defer mgr.mu.Unlock()108	configName := mgr.cfg.Name109	if configName == "" {110		configName = "config"111	}112	rawStats := mgr.stats.all()113	head := prog.GitRevisionBase114	stats := []UIStat{115		{Name: "revision", Value: fmt.Sprint(head[:8]), Link: vcs.LogLink(vcs.SyzkallerRepo, head)},116		{Name: "config", Value: configName, Link: "/config"},117		{Name: "uptime", Value: fmt.Sprint(time.Since(mgr.startTime) / 1e9 * 1e9)},118		{Name: "fuzzing", Value: fmt.Sprint(mgr.fuzzingTime / 60e9 * 60e9)},119		{Name: "corpus", Value: fmt.Sprint(len(mgr.corpus)), Link: "/corpus"},120		{Name: "triage queue", Value: fmt.Sprint(len(mgr.candidates))},121		{Name: "signal", Value: fmt.Sprint(rawStats["signal"])},122		{Name: "coverage", Value: fmt.Sprint(rawStats["coverage"]), Link: "/cover"},123	}124	if mgr.coverFilter != nil {125		stats = append(stats, UIStat{126			Name: "filtered coverage",127			Value: fmt.Sprintf("%v / %v (%v%%)",128				rawStats["filtered coverage"], len(mgr.coverFilter),129				rawStats["filtered coverage"]*100/uint64(len(mgr.coverFilter))),130			Link: "/cover?filter=yes",131		})132	}133	delete(rawStats, "signal")134	delete(rawStats, "coverage")135	delete(rawStats, "filtered coverage")136	if mgr.checkResult != nil {137		stats = append(stats, UIStat{138			Name:  "syscalls",139			Value: fmt.Sprint(len(mgr.checkResult.EnabledCalls[mgr.cfg.Sandbox])),140			Link:  "/syscalls",141		})142	}143	secs := uint64(1)144	if !mgr.firstConnect.IsZero() {145		secs = uint64(time.Since(mgr.firstConnect))/1e9 + 1146	}147	intStats := convertStats(rawStats, secs)148	sort.Slice(intStats, func(i, j int) bool {149		return intStats[i].Name < intStats[j].Name150	})151	stats = append(stats, intStats...)152	return stats153}154func convertStats(stats map[string]uint64, secs uint64) []UIStat {155	var intStats []UIStat156	for k, v := range stats {157		val := fmt.Sprintf("%v", v)158		if x := v / secs; x >= 10 {159			val += fmt.Sprintf(" (%v/sec)", x)160		} else if x := v * 60 / secs; x >= 10 {161			val += fmt.Sprintf(" (%v/min)", x)162		} else {163			x := v * 60 * 60 / secs164			val += fmt.Sprintf(" (%v/hour)", x)165		}166		intStats = append(intStats, UIStat{Name: k, Value: val})167	}168	return intStats169}170func (mgr *Manager) httpCrash(w http.ResponseWriter, r *http.Request) {171	crashID := r.FormValue("id")172	crash := readCrash(mgr.cfg.Workdir, crashID, nil, mgr.startTime, true)173	if crash == nil {174		http.Error(w, "failed to read crash info", http.StatusInternalServerError)175		return176	}177	executeTemplate(w, crashTemplate, crash)178}179func (mgr *Manager) httpCorpus(w http.ResponseWriter, r *http.Request) {180	mgr.mu.Lock()181	defer mgr.mu.Unlock()182	data := UICorpus{183		Call: r.FormValue("call"),184	}185	for sig, inp := range mgr.corpus {186		if data.Call != "" && data.Call != inp.Call {187			continue188		}189		p, err := mgr.target.Deserialize(inp.Prog, prog.NonStrict)190		if err != nil {191			http.Error(w, fmt.Sprintf("failed to deserialize program: %v", err), http.StatusInternalServerError)192			return193		}194		data.Inputs = append(data.Inputs, &UIInput{195			Sig:   sig,196			Short: p.String(),197			Cover: len(inp.Cover),198		})199	}200	sort.Slice(data.Inputs, func(i, j int) bool {201		a, b := data.Inputs[i], data.Inputs[j]202		if a.Cover != b.Cover {203			return a.Cover > b.Cover204		}205		return a.Short < b.Short206	})207	executeTemplate(w, corpusTemplate, data)208}209func (mgr *Manager) httpDownloadCorpus(w http.ResponseWriter, r *http.Request) {210	corpus := filepath.Join(mgr.cfg.Workdir, "corpus.db")211	file, err := os.Open(corpus)212	if err != nil {213		http.Error(w, fmt.Sprintf("failed to open corpus : %v", err), http.StatusInternalServerError)214		return215	}216	defer file.Close()217	buf, err := ioutil.ReadAll(file)218	if err != nil {219		http.Error(w, fmt.Sprintf("failed to read corpus : %v", err), http.StatusInternalServerError)220		return221	}222	w.Write(buf)223}224const (225	DoHTML int = iota226	DoHTMLTable227	DoModuleCover228	DoCSV229	DoCSVFiles230	DoRawCoverFiles231	DoRawCover232	DoFilterPCs233)234func (mgr *Manager) httpCover(w http.ResponseWriter, r *http.Request) {235	mgr.httpCoverCover(w, r, DoHTML, true)236}237func (mgr *Manager) httpSubsystemCover(w http.ResponseWriter, r *http.Request) {238	mgr.httpCoverCover(w, r, DoHTMLTable, true)239}240func (mgr *Manager) httpModuleCover(w http.ResponseWriter, r *http.Request) {241	mgr.httpCoverCover(w, r, DoModuleCover, true)242}243func (mgr *Manager) httpCoverCover(w http.ResponseWriter, r *http.Request, funcFlag int, isHTMLCover bool) {244	if !mgr.cfg.Cover {245		if isHTMLCover {246			mgr.httpCoverFallback(w, r)247		} else {248			http.Error(w, "coverage is not enabled", http.StatusInternalServerError)249		}250		return251	}252	// Don't hold the mutex while creating report generator and generating the report,253	// these operations take lots of time.254	mgr.mu.Lock()255	initialized := mgr.modulesInitialized256	mgr.mu.Unlock()257	if !initialized {258		http.Error(w, "coverage is not ready, please try again later after fuzzer started", http.StatusInternalServerError)259		return260	}261	rg, err := getReportGenerator(mgr.cfg, mgr.modules)262	if err != nil {263		http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)264		return265	}266	mgr.mu.Lock()267	var progs []cover.Prog268	if sig := r.FormValue("input"); sig != "" {269		inp := mgr.corpus[sig]270		progs = append(progs, cover.Prog{271			Data: string(inp.Prog),272			PCs:  coverToPCs(rg, inp.Cover),273		})274	} else {275		call := r.FormValue("call")276		for _, inp := range mgr.corpus {277			if call != "" && call != inp.Call {278				continue279			}280			progs = append(progs, cover.Prog{281				Data: string(inp.Prog),282				PCs:  coverToPCs(rg, inp.Cover),283			})284		}285	}286	mgr.mu.Unlock()287	var coverFilter map[uint32]uint32288	if r.FormValue("filter") != "" {289		coverFilter = mgr.coverFilter290	}291	if funcFlag == DoRawCoverFiles {292		if err := rg.DoRawCoverFiles(w, progs, coverFilter); err != nil {293			http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)294			return295		}296		runtime.GC()297		return298	} else if funcFlag == DoRawCover {299		rg.DoRawCover(w, progs, coverFilter)300		return301	} else if funcFlag == DoFilterPCs {302		rg.DoFilterPCs(w, progs, coverFilter)303		return304	}305	do := rg.DoHTML306	if funcFlag == DoHTMLTable {307		do = rg.DoHTMLTable308	} else if funcFlag == DoModuleCover {309		do = rg.DoModuleCover310	} else if funcFlag == DoCSV {311		do = rg.DoCSV312	} else if funcFlag == DoCSVFiles {313		do = rg.DoCSVFiles314	}315	if err := do(w, progs, coverFilter); err != nil {316		http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)317		return318	}319	runtime.GC()320}321func (mgr *Manager) httpCoverFallback(w http.ResponseWriter, r *http.Request) {322	mgr.mu.Lock()323	defer mgr.mu.Unlock()324	var maxSignal signal.Signal325	for _, inp := range mgr.corpus {326		maxSignal.Merge(inp.Signal.Deserialize())327	}328	calls := make(map[int][]int)329	for s := range maxSignal {330		id, errno := prog.DecodeFallbackSignal(uint32(s))331		calls[id] = append(calls[id], errno)332	}333	data := &UIFallbackCoverData{}334	for _, id := range mgr.checkResult.EnabledCalls[mgr.cfg.Sandbox] {335		errnos := calls[id]336		sort.Ints(errnos)337		successful := 0338		for len(errnos) != 0 && errnos[0] == 0 {339			successful++340			errnos = errnos[1:]341		}342		data.Calls = append(data.Calls, UIFallbackCall{343			Name:       mgr.target.Syscalls[id].Name,344			Successful: successful,345			Errnos:     errnos,346		})347	}348	sort.Slice(data.Calls, func(i, j int) bool {349		return data.Calls[i].Name < data.Calls[j].Name350	})351	executeTemplate(w, fallbackCoverTemplate, data)352}353func (mgr *Manager) httpFuncCover(w http.ResponseWriter, r *http.Request) {354	mgr.httpCoverCover(w, r, DoCSV, false)355}356func (mgr *Manager) httpFileCover(w http.ResponseWriter, r *http.Request) {357	mgr.httpCoverCover(w, r, DoCSVFiles, false)358}359func (mgr *Manager) httpPrio(w http.ResponseWriter, r *http.Request) {360	mgr.mu.Lock()361	defer mgr.mu.Unlock()362	callName := r.FormValue("call")363	call := mgr.target.SyscallMap[callName]364	if call == nil {365		http.Error(w, fmt.Sprintf("unknown call: %v", callName), http.StatusInternalServerError)366		return367	}...

httpFuncCover

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", httpFuncCover)4	log.Fatal(http.ListenAndServe("localhost:8000", nil))5}6func httpFuncCover(w http.ResponseWriter, r *http.Request) {7	fmt.Fprintf(w, "Hello, %q", r.URL.Path)8}9import (10func TestMain(m *testing.M) {11	setup()12	os.Exit(m.Run())13}14func setup() {15}16func TestHttpFuncCover(t *testing.T) {17}

httpFuncCover

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", httpFuncCover)4	http.ListenAndServe(":8080", nil)5}6func httpFuncCover(w http.ResponseWriter, r *http.Request) {7	fmt.Println("Request received")8	fmt.Println("Path: ", r.URL.Path)9	fmt.Println("Query: ", r.URL.RawQuery)10	fmt.Println("Method: ", r.Method)11	fmt.Println("Protocol: ", r.Proto)12	fmt.Println("Host: ", r.Host)13	fmt.Println("RemoteAddr: ", r.RemoteAddr)14	fmt.Println("RequestURI: ", r.RequestURI)15	fmt.Println("Header: ", r.Header)16	fmt.Println("Body: ", r.Body)17	fmt.Println("ContentLength: ", r.ContentLength)18	fmt.Println("TransferEncoding: ", r.TransferEncoding)19	fmt.Println("Close: ", r.Close)20	fmt.Println("Trailer: ", r.Trailer)21	fmt.Println("TLS: ", r.TLS)22	fmt.Println("Form: ", r.Form)23	fmt.Println("PostForm: ", r.PostForm)24	fmt.Println("MultipartForm: ", r.MultipartForm)25	fmt.Println("RemoteAddr: ", r.RemoteAddr)26	fmt.Println("RequestURI: ", r.RequestURI)27	fmt.Println("Header: ", r.Header)28	fmt.Println("Body: ", r.Body)29	fmt.Println("ContentLength: ", r.ContentLength)30	fmt.Println("TransferEncoding: ", r.TransferEncoding)31	fmt.Println("Close: ", r.Close)32	fmt.Println("Trailer: ", r.Trailer)33	fmt.Println("TLS: ", r.TLS)34	fmt.Println("Form: ", r.Form)35	fmt.Println("PostForm: ", r.PostForm)36	fmt.Println("MultipartForm: ", r.MultipartForm)37	fmt.Println("RemoteAddr: ", r.RemoteAddr)38	fmt.Println("RequestURI: ", r.RequestURI)39	fmt.Println("Header: ", r.Header)40	fmt.Println("Body: ", r.Body)41	fmt.Println("ContentLength: ", r.ContentLength)42	fmt.Println("TransferEncoding: ", r.TransferEncoding)43	fmt.Println("Close: ", r.Close)44	fmt.Println("Trailer: ", r.Trailer)45	fmt.Println("TLS: ", r.TLS)46	fmt.Println("Form: ", r.Form)47	fmt.Println("PostForm: ", r.PostForm)48	fmt.Println("MultipartForm: ", r.MultipartForm)

httpFuncCover

Using AI Code Generation

1func main() {2    fmt.Println("Hello, playground")3    httpFuncCover()4}5func httpFuncCover() {6    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {7        fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))8    })9    http.ListenAndServe(":8080", nil)10}11func main() {12    fmt.Println("Hello, playground")13    httpFuncCover()14}15func httpFuncCover() {16    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {17        fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))18    })19    http.ListenAndServe(":8080", nil)20}21func main() {22    fmt.Println("Hello, playground")23    httpFuncCover()24}25func httpFuncCover() {26    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {27        fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))28    })29    http.ListenAndServe(":8080", nil)30}31func main() {32    fmt.Println("Hello, playground")33    httpFuncCover()34}35func httpFuncCover() {36    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {37        fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))38    })39    http.ListenAndServe(":8080", nil)40}41func main() {42    fmt.Println("Hello, playground")43    httpFuncCover()44}45func httpFuncCover() {46    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {47        fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))48    })49    http.ListenAndServe(":8080", nil)50}51func main() {52    fmt.Println("Hello, playground")53    httpFuncCover()54}55func httpFuncCover() {56    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {57        fmt.Fprintf(w, "Hello, %q", html.EscapeString

httpFuncCover

Using AI Code Generation

1func main() {2    http.HandleFunc("/", httpFuncCover)3    http.ListenAndServe(":8080", nil)4}5func httpFuncCover(w http.ResponseWriter, r *http.Request) {6    httpFunc(w, r)7}8func httpFunc(w http.ResponseWriter, r *http.Request) {9    httpFunc(w, r)10}112018/12/05 10:11:08 http: superfluous response.WriteHeader call from main.httpFuncCover (2.go:9)122018/12/05 10:12:42 http: superfluous response.WriteHeader call from main.httpFunc (4.go:9)132018/12/05 10:13:50 http: superfluous response.WriteHeader call from main.main (2.go:9)

httpFuncCover

Using AI Code Generation

1import (2func main() {3    client := &http.Client{4    }5    if err != nil {6        fmt.Println(err)7        os.Exit(1)8    }9    resp, err := client.Do(req)10    if err != nil {11        fmt.Println(err)12        os.Exit(1)13    }14    respBody, err := ioutil.ReadAll(resp.Body)15    if err != nil {16        fmt.Println(err)17        os.Exit(1)18    }19    fmt.Println("response Status:", resp.Status)20    fmt.Println("response Headers:", resp.Header)21    fmt.Println("response Body:", string(respBody))22}23import (24func main() {25    client := &http.Client{26    }27    if err != nil {28        fmt.Println(err)29        os.Exit(1)30    }31    resp, err := client.Do(req)32    if err != nil {33        fmt.Println(err)34        os.Exit(1)35    }36    respBody, err := ioutil.ReadAll(resp.Body)37    if err != nil {38        fmt.Println(err)39        os.Exit(1)40    }41    fmt.Println("response Status:", resp.Status)42    fmt.Println("response Headers:", resp.Header)43    fmt.Println("response Body:", string(respBody))44}45import (46func main() {

httpFuncCover

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", httpFuncCover(Handler))4	http.ListenAndServe(":8080", nil)5}6func Handler(w http.ResponseWriter, r *http.Request) {7	fmt.Fprintf(w, "Hello, you've requested: %s8}9func httpFuncCover(h http.HandlerFunc) http.HandlerFunc {10	return func(w http.ResponseWriter, r *http.Request) {11		fmt.Fprintf(os.Stdout, "Request: %v12		h(w, r)13	}14}15Request: &{GET / HTTP/1.1 1 1 map[Accept:[*/*] User-Agent:[curl/7.47.0]] <nil> map[] map[] /map[] 0 [] fal

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