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How to use Serialize method of csource Package

Best Syzkaller code snippet using csource.Serialize

refine.go

Source:refine.go

...54		return len(corpus[i].Calls) < len(corpus[j].Calls)55	})56	var candidates []*prog.Prog57	for _, p := range corpus {58		log.Logf(4, "corpus: %s", p.Serialize())59		found := false60		for _, c := range p.Calls {61			if c.Meta == targetCall {62				found = true63				break64			}65		}66		if found {67			candidates = append(candidates, p)68		}69	}70	if len(candidates) == 0 && *flagGen {71		log.Logf(0, "no testcase in the corpus uses this func")72		// Generate a testcase based on our template73		rnd := rand.New(rand.NewSource(time.Now().UnixNano()))74		choiceTable := target.BuildChoiceTable(corpus, calls)75		var resources []string76		prog.ForeachCallType(targetCall, func(typ prog.Type, ctx prog.TypeCtx) {77			if ctx.Dir == prog.DirOut {78				return79			}80			switch typ1 := typ.(type) {81			case *prog.ResourceType:82				log.Logf(0, "find resource %s %s", typ1.TypeName, typ1.Desc.Name)83				resources = append(resources, typ1.Desc.Name)84			default:85				// Some special dependences are encoded as const/union/flags, etc.86				if strings.Contains(typ.Name(), "connection") {87					log.Logf(0, "find special dependence %s", typ.Name())88					resources = append(resources, typ.Name())89				}90			}91		})92		found := false93		// Find the most similar syscall in the reversed order94		for _, p := range corpus {95			// for idx := len(p.Calls)-1; idx >= 0; idx-- {96				// c := p.Calls[idx]97			for idx, c := range p.Calls {98				results := make(map[string]bool)99				prog.ForeachCallType(c.Meta, func(typ prog.Type, ctx prog.TypeCtx) {100					switch typ1 := typ.(type) {101					case *prog.ResourceType:102						if ctx.Dir == prog.DirIn {103							results[typ1.Desc.Name] = true104						}105					default:106						if strings.Contains(typ.Name(), "connection") {107							log.Logf(0, "match special dependence %s", typ.Name())108							results[typ.Name()] = true109						}110					}111				})112				succeed := true113				for _, res := range resources {114					if _, ok := results[res]; !ok {115						succeed = false116						break117					}118				}119				if succeed {120					found = true121					log.Logf(0, "%d: find the prog with similar syscall: %s", idx, p.Serialize())122					p := p.Clone()123					new_prog := target.GenerateValidProgram(rnd, targetCall, p, idx+1, choiceTable, corpus)124					candidates = append(candidates, new_prog)125					break126				}127			}128			if found {129				break130			}131		}132		if !found {133			for _, p := range corpus {134				pos := -1135				succeed := true136				for _, resource := range resources {137					// Find the first use of the resource138					var indices []int139					for idx, c := range p.Calls {140						prog.ForeachCallType(c.Meta, func(typ prog.Type, ctx prog.TypeCtx) {141							if ctx.Dir == prog.DirOut {142								return143							}144							switch typ1 := typ.(type) {145							case *prog.ResourceType:146								if resource == typ1.Desc.Name {147									indices = append(indices, idx)148								}149							default:150								if resource == typ.Name() {151									indices = append(indices, idx)152								}153							}154						})155					}156	157					if len(indices) == 0 {158						succeed = false159						break160					}161					// Find the first use of the resource162					if indices[0] > pos {163						pos = indices[0]164					}165				}166				if succeed {167					found = true168					log.Logf(0, "find the prog %s", p.Serialize())169					p := p.Clone()170					new_prog := target.GenerateValidProgram(rnd, targetCall, p, pos, choiceTable, corpus)171					candidates = append(candidates, new_prog)172					break173				}174			}175		}176		if !found {177			new_prog := target.GenerateValidProgram2(rnd, targetCall, choiceTable)178			candidates = append(candidates, new_prog)179		}180	}181	sort.Slice(candidates, func(i, j int) bool {182		return len(candidates[i].Calls) < len(candidates[j].Calls)183	})184	for _, p := range candidates {185		// We may cut off the program and hence it could not be translated to c code186		// directly. To cope with it, we serialize it to syz program and deserialize it187		// with non-strict mode.188		data := p.Serialize()189		if err := osutil.WriteFile(*flagOutputPath + ".syz", data); err != nil {190			log.Fatalf("failed to output file: %v", err)191		}192		if np, err1 := target.Deserialize(data, prog.NonStrict); err1 != nil {193			log.Fatalf("failed to deserialize: %v", err1)194		} else {195			p = np196		}197		if err := build(target, p, *flagOutputPath + ".c"); err != nil {198			log.Fatalf("failed to output file: %v", err)199		}200		for _, c := range p.Calls {201			if c.Meta == targetCall {202				inputCnt, _ := c.Args[3].(*prog.ConstArg).Value()...

run_test.go

Source:run_test.go

...134					if runtime.GOOS != sysTarget.BuildOS {135						continue // we need at least preprocessor binary to generate sources136					}137					// syz_mount_image tests are very large and this test takes too long.138					// syz-imagegen that generates does some of this testing (Deserialize/SerializeForExec).139					if requires["manual"] {140						continue141					}142					if _, err = csource.Write(p, csource.ExecutorOpts); err != nil {143						t.Errorf("failed to generate C source for %v: %v", file, err)144					}145				}146			})147		}148	}149}150func TestRequires(t *testing.T) {151	{152		requires := parseRequires([]byte("# requires: manual arch=amd64"))...

adapter.go

Source:adapter.go

1package adapter2/*3#cgo CFLAGS: -I"${SRCDIR}/ext/drafter/src/" -I"${SRCDIR}/ext/drafter/ext/snowcrash/src/"4#cgo darwin LDFLAGS: -L"${SRCDIR}/ext/drafter/build/out/Release/" -ldrafter -lsnowcrash -lmarkdownparser -lsundown -lc++5#cgo linux LDFLAGS: -L"${SRCDIR}/ext/drafter/build/out/Release/" -ldrafter -lsnowcrash -lmarkdownparser -lsundown -lstdc++6#include <stdlib.h>7#include <stdio.h>8#include "drafter.h"9*/10import "C"11import (12	"io"13	"strings"14	"unsafe"15	"github.com/bukalapak/drafter-go"16)17const version string = "v5.0.0"18func parseOptions(n drafter.Options) *C.drafter_parse_options {19	options := C.drafter_init_parse_options()20	if n.NameRequired {21		C.drafter_set_name_required(options)22	}23	if n.SkipBody {24		C.drafter_set_skip_gen_bodies(options)25	}26	if n.SkipBodySchema {27		C.drafter_set_skip_gen_body_schemas(options)28	}29	return options30}31func serializeOptions(n drafter.Options) *C.drafter_serialize_options {32	options := C.drafter_init_serialize_options()33	if n.Format == drafter.JSON {34		C.drafter_set_format(options, C.DRAFTER_SERIALIZE_JSON)35	}36	if n.SourceMaps {37		C.drafter_set_sourcemaps_included(options)38	}39	return options40}41func Parse(r io.Reader, n drafter.Options) ([]byte, error) {42	s, err := readString(r)43	if err != nil {44		return nil, err45	}46	cOptions := parseOptions(n)47	cSource := C.CString(s)48	cResult := &C.drafter_result{}49	code := C.drafter_parse_blueprint(cSource, &cResult, cOptions)50	if code != C.DRAFTER_OK {51		return nil, errMap(int(code))52	}53	C.free(unsafe.Pointer(cSource))54	C.drafter_free_parse_options(cOptions)55	return serialize(cResult, n), nil56}57func Check(r io.Reader, n drafter.Options) ([]byte, error) {58	s, err := readString(r)59	if err != nil {60		return nil, err61	}62	cOptions := parseOptions(n)63	cSource := C.CString(s)64	cResult := &C.drafter_result{}65	code := C.drafter_check_blueprint(cSource, &cResult, cOptions)66	if code != C.DRAFTER_OK {67		return nil, errMap(int(code))68	}69	C.free(unsafe.Pointer(cSource))70	C.drafter_free_parse_options(cOptions)71	return serialize(cResult, n), nil72}73func Version() string {74	return version75}76func serialize(r *C.drafter_result, n drafter.Options) []byte {77	cOptions := serializeOptions(n)78	cResult := C.drafter_serialize(r, cOptions)79	results := C.GoString(cResult)80	C.free(unsafe.Pointer(cResult))81	C.drafter_free_serialize_options(cOptions)82	return []byte(results)83}84func errMap(code int) error {85	switch code {86	case C.DRAFTER_EINVALID_INPUT:87		return drafter.ErrInvalidInput88	case C.DRAFTER_EINVALID_OUTPUT:89		return drafter.ErrInvalidOutput90	default:91		return drafter.ErrUnknown92	}93}94func readString(r io.Reader) (string, error) {95	buf := new(strings.Builder)96	if _, err := io.Copy(buf, r); err != nil {97		return "", err98	}99	return buf.String(), nil100}...

Serialize

Using AI Code Generation

1import (2func main() {3    handle, err := pcap.OpenLive("wlp3s0", 1600, true, pcap.BlockForever)4    if err != nil {5        log.Fatal(err)6    }7    defer handle.Close()8    err = handle.SetBPFFilter(filter)9    if err != nil {10        log.Fatal(err)11    }12    fmt.Println("Only capturing TCP port 80 packets.")13    packetSource := gopacket.NewPacketSource(handle, handle.LinkType())14    for packet := range packetSource.Packets() {15        fmt.Println(packet)16    }17}18import (19func main() {20    handle, err := pcap.OpenLive("wlp3s0", 1600, true, pcap.BlockForever)21    if err != nil {22        log.Fatal(err)23    }24    defer handle.Close()25    err = handle.SetBPFFilter(filter)26    if err != nil {27        log.Fatal(err)28    }29    fmt.Println("Only capturing TCP port 80 packets.")30    packetSource := gopacket.NewPacketSource(handle, handle.LinkType())

Serialize

Using AI Code Generation

1import (2func main() {3	f, _ := os.Create("test.pcap")4	w := pcapgo.NewWriter(f)5	w.WriteFileHeader(65536, layers.LinkTypeEthernet)6	packetSource := gopacket.NewPacketSource(handle, handle.LinkType())7	for packet := range packetSource.Packets() {8		data, err := packet.Serialize()9		if err != nil {10			log.Fatal(err)11		}12		w.WritePacket(packet.Metadata().CaptureInfo, data)13	}14}15Thanks a lot for your reply. I tried adding the WritePacketHeader() call, however, I still get the same error. I am using the following code now:16f, _ := os.Create("test.pcap")17w := pcapgo.NewWriter(f)18w.WriteFileHeader(65536, layers.LinkTypeEthernet)19w.WritePacketHeader(gopacket.CaptureInfo{Timestamp: time.Now(), Length: 0, CaptureLength: 0}, nil)20packetSource := gopacket.NewPacketSource(handle, handle.LinkType())21for packet := range packetSource.Packets() {22	data, err := packet.Serialize()

Serialize

Using AI Code Generation

1import (2func main() {3    f, err := os.Create("output.pcap")4    if err != nil {5        fmt.Println("error creating file", err)6    }7    defer f.Close()8    w := pcapgo.NewWriter(f)9    w.WriteFileHeader(65536, layers.LinkTypeEthernet)10    handle, err := pcap.OpenOffline("test.pcap")11    if err != nil {12        fmt.Println("error opening file", err)13    }14    defer handle.Close()15    packetSource := gopacket.NewPacketSource(handle, handle.LinkType())16    for packet := range packetSource.Packets() {17        buf := gopacket.NewSerializeBuffer()18        opts := gopacket.SerializeOptions{19        }20        err = packet.SerializeTo(buf, opts)21        if err != nil {22            fmt.Println("error serializing packet", err)23        }24        w.WritePacket(packet.Metadata().CaptureInfo, buf.Bytes())25    }26}27import (28func main() {29    f, err := os.Create("output.pcap")30    if err != nil {31        fmt.Println("error creating file", err)32    }33    defer f.Close()34    w := pcapgo.NewWriter(f)35    w.WriteFileHeader(65536, layers.LinkTypeEthernet)36    handle, err := pcap.OpenOffline("test.pcap")37    if err != nil {38        fmt.Println("error opening file", err)39    }40    defer handle.Close()

Serialize

Using AI Code Generation

1csource = new CSource();2csource.Serialize(“C:\temp\Serialize.txt”);3csource = new CSource();4csource.Deserialize(“C:\temp\Serialize.txt”);5csource = new CSource();6csource.GetProperty(“C:\temp\Serialize.txt”);7csource = new CSource();8csource.SetProperty(“C:\temp\Serialize.txt”);9csource = new CSource();10csource.GetPropertyCount(“C:\temp\Serialize.txt”);11csource = new CSource();12csource.GetPropertyNames(“C:\temp\Serialize.txt”);13csource = new CSource();14csource.GetPropertyNames(“C:\temp\Serialize.txt”);15csource = new CSource();16csource.GetPropertyNames(“C:\temp\Serialize.txt”);17csource = new CSource();18csource.GetPropertyNames(“C:\temp\Serialize.txt”);19csource = new CSource();20csource.GetPropertyNames(“C:\temp\Serialize.txt”);21csource = new CSource();22csource.GetPropertyNames(“C:\temp\Serialize.txt”);23csource = new CSource();24csource.GetPropertyNames(“C:\temp\Serialize.txt”);25csource = new CSource();26csource.GetPropertyNames(“C

Serialize

Using AI Code Generation

1csource obj;2A a;3obj.Serialize(a);4csource obj;5A a;6obj.Deserialize(a);7csource obj;8B b;9obj.Serialize(b);10csource obj;11B b;12obj.Deserialize(b);13type CSource struct {14}15func (c CSource) Serialize(a A) {16}17func (c CSource) Deserialize(a A) {18}19csource obj;20A a;21obj.Serialize(a);22csource obj;23A a;24obj.Deserialize(a);

Serialize

Using AI Code Generation

1import (2type csource struct {3}4func main() {5    c := csource{Name: "2.go", Path: "C:\\Users\\user\\Desktop\\2.go"}6    fmt.Println(c.Path)7    c.Serialize()8    c2 := csource{}9    c2.Deserialize()10    fmt.Println(c2.Path)11    c3 := csource{Name: "2.go", Path: "C:\\Users\\user\\Desktop\\2.go"}12    fmt.Println(c3.Path)13    c3.Serialize()14    c4 := csource{}15    c4.Deserialize()16    fmt.Println(c4.Path)17}18func (c *csource) Serialize() {19    handle := new(codec.MsgpackHandle)20    f, _ := os.Create("csource.msgpack")21    defer f.Close()22    enc := codec.NewEncoder(f, handle)23    enc.Encode(c)24}25func (c *csource) Deserialize() {26    handle := new(codec.MsgpackHandle)27    f, _ := os.Open("csource.msgpack")28    defer f.Close()29    dec := codec.NewDecoder(f, handle)30    dec.Decode(c)31}

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