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How to use serializeAddr method of prog Package

Best Syzkaller code snippet using prog.serializeAddr

encoding.go

Source:encoding.go

...75		if a.OpAdd != 0 {76			fmt.Fprintf(buf, "+%v", a.OpAdd)77		}78	case ArgPointer:79		fmt.Fprintf(buf, "&%v=", serializeAddr(a, true))80		a.Res.serialize(buf, vars, varSeq)81	case ArgPageSize:82		fmt.Fprintf(buf, "%v", serializeAddr(a, false))83	case ArgData:84		fmt.Fprintf(buf, "\"%v\"", hex.EncodeToString(a.Data))85	case ArgGroup:86		var delims []byte87		switch a.Type.(type) {88		case *sys.StructType:89			delims = []byte{'{', '}'}90		case *sys.ArrayType:91			delims = []byte{'[', ']'}92		default:93			panic("unknown group type")94		}95		buf.Write([]byte{delims[0]})96		for i, a1 := range a.Inner {97			if a1 != nil && sys.IsPad(a1.Type) {98				continue99			}100			if i != 0 {101				fmt.Fprintf(buf, ", ")102			}103			a1.serialize(buf, vars, varSeq)104		}105		buf.Write([]byte{delims[1]})106	case ArgUnion:107		fmt.Fprintf(buf, "@%v=", a.OptionType.FieldName())108		a.Option.serialize(buf, vars, varSeq)109	default:110		panic("unknown arg kind")111	}112}113func Deserialize(data []byte) (prog *Prog, err error) {114	prog = new(Prog)115	p := &parser{r: bufio.NewScanner(bytes.NewReader(data))}116	p.r.Buffer(nil, maxLineLen)117	vars := make(map[string]*Arg)118	for p.Scan() {119		if p.EOF() || p.Char() == '#' {120			continue121		}122		name := p.Ident()123		r := ""124		if p.Char() == '=' {125			r = name126			p.Parse('=')127			name = p.Ident()128		}129		meta := sys.CallMap[name]130		if meta == nil {131			return nil, fmt.Errorf("unknown syscall %v", name)132		}133		c := &Call{134			Meta: meta,135			Ret:  returnArg(meta.Ret),136		}137		prog.Calls = append(prog.Calls, c)138		p.Parse('(')139		for i := 0; p.Char() != ')'; i++ {140			if i >= len(meta.Args) {141				return nil, fmt.Errorf("wrong call arg count: %v, want %v", i+1, len(meta.Args))142			}143			typ := meta.Args[i]144			if sys.IsPad(typ) {145				return nil, fmt.Errorf("padding in syscall %v arguments", name)146			}147			arg, err := parseArg(typ, p, vars)148			if err != nil {149				return nil, err150			}151			c.Args = append(c.Args, arg)152			if p.Char() != ')' {153				p.Parse(',')154			}155		}156		p.Parse(')')157		if !p.EOF() {158			return nil, fmt.Errorf("tailing data (line #%v)", p.l)159		}160		if len(c.Args) != len(meta.Args) {161			return nil, fmt.Errorf("wrong call arg count: %v, want %v", len(c.Args), len(meta.Args))162		}163		if r != "" {164			vars[r] = c.Ret165		}166	}167	if err := p.Err(); err != nil {168		return nil, err169	}170	// This validation is done even in non-debug mode because deserialization171	// procedure does not catch all bugs (e.g. mismatched types).172	// And we can receive bad programs from corpus and hub.173	if err := prog.validate(); err != nil {174		return nil, err175	}176	return177}178func parseArg(typ sys.Type, p *parser, vars map[string]*Arg) (*Arg, error) {179	r := ""180	if p.Char() == '<' {181		p.Parse('<')182		r = p.Ident()183		p.Parse('=')184		p.Parse('>')185	}186	var arg *Arg187	switch p.Char() {188	case '0':189		val := p.Ident()190		v, err := strconv.ParseUint(val, 0, 64)191		if err != nil {192			return nil, fmt.Errorf("wrong arg value '%v': %v", val, err)193		}194		arg = constArg(typ, uintptr(v))195	case 'r':196		id := p.Ident()197		v, ok := vars[id]198		if !ok || v == nil {199			return nil, fmt.Errorf("result %v references unknown variable (vars=%+v)", id, vars)200		}201		arg = resultArg(typ, v)202		if p.Char() == '/' {203			p.Parse('/')204			op := p.Ident()205			v, err := strconv.ParseUint(op, 0, 64)206			if err != nil {207				return nil, fmt.Errorf("wrong result div op: '%v'", op)208			}209			arg.OpDiv = uintptr(v)210		}211		if p.Char() == '+' {212			p.Parse('+')213			op := p.Ident()214			v, err := strconv.ParseUint(op, 0, 64)215			if err != nil {216				return nil, fmt.Errorf("wrong result add op: '%v'", op)217			}218			arg.OpAdd = uintptr(v)219		}220	case '&':221		var typ1 sys.Type222		switch t1 := typ.(type) {223		case *sys.PtrType:224			typ1 = t1.Type225		case *sys.VmaType:226		default:227			return nil, fmt.Errorf("& arg is not a pointer: %#v", typ)228		}229		p.Parse('&')230		page, off, size, err := parseAddr(p, true)231		if err != nil {232			return nil, err233		}234		p.Parse('=')235		inner, err := parseArg(typ1, p, vars)236		if err != nil {237			return nil, err238		}239		arg = pointerArg(typ, page, off, size, inner)240	case '(':241		page, off, _, err := parseAddr(p, false)242		if err != nil {243			return nil, err244		}245		arg = pageSizeArg(typ, page, off)246	case '"':247		p.Parse('"')248		val := ""249		if p.Char() != '"' {250			val = p.Ident()251		}252		p.Parse('"')253		data, err := hex.DecodeString(val)254		if err != nil {255			return nil, fmt.Errorf("data arg has bad value '%v'", val)256		}257		arg = dataArg(typ, data)258	case '{':259		t1, ok := typ.(*sys.StructType)260		if !ok {261			return nil, fmt.Errorf("'{' arg is not a struct: %#v", typ)262		}263		p.Parse('{')264		var inner []*Arg265		for i := 0; p.Char() != '}'; i++ {266			if i >= len(t1.Fields) {267				return nil, fmt.Errorf("wrong struct arg count: %v, want %v", i+1, len(t1.Fields))268			}269			fld := t1.Fields[i]270			if sys.IsPad(fld) {271				inner = append(inner, constArg(fld, 0))272			} else {273				arg, err := parseArg(fld, p, vars)274				if err != nil {275					return nil, err276				}277				inner = append(inner, arg)278				if p.Char() != '}' {279					p.Parse(',')280				}281			}282		}283		p.Parse('}')284		if last := t1.Fields[len(t1.Fields)-1]; sys.IsPad(last) {285			inner = append(inner, constArg(last, 0))286		}287		arg = groupArg(typ, inner)288	case '[':289		t1, ok := typ.(*sys.ArrayType)290		if !ok {291			return nil, fmt.Errorf("'[' arg is not an array: %#v", typ)292		}293		p.Parse('[')294		var inner []*Arg295		for i := 0; p.Char() != ']'; i++ {296			arg, err := parseArg(t1.Type, p, vars)297			if err != nil {298				return nil, err299			}300			inner = append(inner, arg)301			if p.Char() != ']' {302				p.Parse(',')303			}304		}305		p.Parse(']')306		arg = groupArg(typ, inner)307	case '@':308		t1, ok := typ.(*sys.UnionType)309		if !ok {310			return nil, fmt.Errorf("'@' arg is not a union: %#v", typ)311		}312		p.Parse('@')313		name := p.Ident()314		p.Parse('=')315		var optType sys.Type316		for _, t2 := range t1.Options {317			if name == t2.FieldName() {318				optType = t2319				break320			}321		}322		if optType == nil {323			return nil, fmt.Errorf("union arg %v has unknown option: %v", typ.Name(), name)324		}325		opt, err := parseArg(optType, p, vars)326		if err != nil {327			return nil, err328		}329		arg = unionArg(typ, opt, optType)330	case 'n':331		p.Parse('n')332		p.Parse('i')333		p.Parse('l')334		if r != "" {335			return nil, fmt.Errorf("named nil argument")336		}337	default:338		return nil, fmt.Errorf("failed to parse argument at %v (line #%v/%v: %v)", int(p.Char()), p.l, p.i, p.s)339	}340	if r != "" {341		vars[r] = arg342	}343	return arg, nil344}345const (346	encodingAddrBase = 0x7f0000000000347	encodingPageSize = 4 << 10348	maxLineLen       = 256 << 10349)350func serializeAddr(a *Arg, base bool) string {351	page := a.AddrPage * encodingPageSize352	if base {353		page += encodingAddrBase354	}355	soff := ""356	if off := a.AddrOffset; off != 0 {357		sign := "+"358		if off < 0 {359			sign = "-"360			off = -off361			page += encodingPageSize362		}363		soff = fmt.Sprintf("%v0x%x", sign, off)364	}...

serializeAddr

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5	}6	address := common.HexToAddress("0x4e83362442b8d1bec281594cea3050c8eb01311c")7	name, err := client.Eth.GetContractName(address)8	if err != nil {9		log.Fatal(err)10	}11	fmt.Println(name)12}

serializeAddr

Using AI Code Generation

1import (2func main() {3	privKey, _ := btcec.NewPrivateKey(btcec.S256())4	pubKey := privKey.PubKey()5	addr, _ := btcutil.NewAddressPubKey(pubKey.SerializeCompressed(), &chaincfg.MainNetParams)6	script, _ := txscript.PayToAddrScript(addr)7	tx := wire.NewMsgTx(wire.TxVersion)8	txin := wire.NewTxIn(wire.NewOutPoint(&wire.ShaHash{}, 0), script, nil)9	tx.AddTxIn(txin)10	txout := wire.NewTxOut(10000, script)11	tx.AddTxOut(txout)12	serializedTx := tx.Serialize()13	fmt.Println(serializedTx)

serializeAddr

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the street name:")4	fmt.Scanln(&street)5	fmt.Println("Enter the city name:")6	fmt.Scanln(&city)7	fmt.Println("Enter the state name:")8	fmt.Scanln(&state)9	fmt.Println("Enter the zip code:")10	fmt.Scanln(&zip)11	p := prog.NewProg(street, city, state, zip)12	p.SerializeAddr()13}

serializeAddr

Using AI Code Generation

1import (2func main() {3	p := prog.NewPerson("John", "Smith")4	fmt.Printf("Person: %v\n", p)5	fmt.Printf("Serialized: %s\n", p.SerializeAddr())6}

serializeAddr

Using AI Code Generation

1import (2type prog struct {3}4func main() {5	p := prog{Name: "John", Age: 25}6	s := serializeAddr(p)7	fmt.Println(s)8}9func serializeAddr(p prog) string {10	t := reflect.TypeOf(p)11	for i := 0; i < t.NumField(); i++ {12		f := t.Field(i)13		value := reflect.ValueOf(p).FieldByName(name).Interface()14		bld.WriteString(fmt.Sprintf("%s: %v\n", name, value))15	}16	return bld.String()17}

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