How to use MatchSyscall method of mgrconfig Package

Best Syzkaller code snippet using mgrconfig.MatchSyscall

load.go

Source:load.go

1// Copyright 2015 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package mgrconfig4import (5	"fmt"6	"io/ioutil"7	"os"8	"path/filepath"9	"strings"10	"github.com/google/syzkaller/pkg/config"11	"github.com/google/syzkaller/pkg/osutil"12	"github.com/google/syzkaller/prog"13	_ "github.com/google/syzkaller/sys" // most mgrconfig users want targets too14	"github.com/google/syzkaller/sys/targets"15)16func LoadData(data []byte) (*Config, error) {17	cfg, err := LoadPartialData(data)18	if err != nil {19		return nil, err20	}21	if err := Complete(cfg); err != nil {22		return nil, err23	}24	return cfg, nil25}26func LoadFile(filename string) (*Config, error) {27	cfg, err := LoadPartialFile(filename)28	if err != nil {29		return nil, err30	}31	if err := Complete(cfg); err != nil {32		return nil, err33	}34	return cfg, nil35}36func LoadPartialData(data []byte) (*Config, error) {37	cfg := defaultValues()38	if err := config.LoadData(data, cfg); err != nil {39		return nil, err40	}41	return loadPartial(cfg)42}43func LoadPartialFile(filename string) (*Config, error) {44	cfg := defaultValues()45	if err := config.LoadFile(filename, cfg); err != nil {46		return nil, err47	}48	return loadPartial(cfg)49}50func defaultValues() *Config {51	return &Config{52		SSHUser:   "root",53		Cover:     true,54		Reproduce: true,55		Sandbox:   "none",56		RPC:       ":0",57		Procs:     1,58	}59}60func loadPartial(cfg *Config) (*Config, error) {61	var err error62	cfg.TargetOS, cfg.TargetVMArch, cfg.TargetArch, err = splitTarget(cfg.Target)63	if err != nil {64		return nil, err65	}66	return cfg, nil67}68func Complete(cfg *Config) error {69	if err := checkNonEmpty(70		cfg.TargetOS, "target",71		cfg.TargetVMArch, "target",72		cfg.TargetArch, "target",73		cfg.Workdir, "workdir",74		cfg.Syzkaller, "syzkaller",75		cfg.HTTP, "http",76		cfg.Type, "type",77		cfg.SSHUser, "ssh_user",78	); err != nil {79		return err80	}81	cfg.Workdir = osutil.Abs(cfg.Workdir)82	if cfg.WorkdirTemplate != "" {83		cfg.WorkdirTemplate = osutil.Abs(cfg.WorkdirTemplate)84		if _, err := ioutil.ReadDir(cfg.WorkdirTemplate); err != nil {85			return fmt.Errorf("failed to read workdir_template: %v", err)86		}87	}88	if cfg.Image != "" {89		if !osutil.IsExist(cfg.Image) {90			return fmt.Errorf("bad config param image: can't find %v", cfg.Image)91		}92		cfg.Image = osutil.Abs(cfg.Image)93	}94	if err := completeBinaries(cfg); err != nil {95		return err96	}97	if cfg.Procs < 1 || cfg.Procs > 32 {98		return fmt.Errorf("bad config param procs: '%v', want [1, 32]", cfg.Procs)99	}100	switch cfg.Sandbox {101	case "none", "setuid", "namespace", "android":102	default:103		return fmt.Errorf("config param sandbox must contain one of none/setuid/namespace/android")104	}105	if err := checkSSHParams(cfg); err != nil {106		return err107	}108	cfg.CompleteKernelDirs()109	if cfg.HubClient != "" {110		if err := checkNonEmpty(111			cfg.Name, "name",112			cfg.HubAddr, "hub_addr",113			cfg.HubKey, "hub_key",114		); err != nil {115			return err116		}117	}118	if cfg.DashboardClient != "" {119		if err := checkNonEmpty(120			cfg.Name, "name",121			cfg.DashboardAddr, "dashboard_addr",122			cfg.DashboardKey, "dashboard_key",123		); err != nil {124			return err125		}126	}127	return nil128}129func checkNonEmpty(fields ...string) error {130	for i := 0; i < len(fields); i += 2 {131		if fields[i] == "" {132			return fmt.Errorf("config param %v is empty", fields[i+1])133		}134	}135	return nil136}137func (cfg *Config) CompleteKernelDirs() {138	cfg.KernelObj = osutil.Abs(cfg.KernelObj)139	if cfg.KernelSrc == "" {140		cfg.KernelSrc = cfg.KernelObj // assume in-tree build by default141	}142	cfg.KernelSrc = osutil.Abs(cfg.KernelSrc)143	if cfg.KernelBuildSrc == "" {144		cfg.KernelBuildSrc = cfg.KernelSrc145	}146	cfg.KernelBuildSrc = osutil.Abs(cfg.KernelBuildSrc)147}148func checkSSHParams(cfg *Config) error {149	if cfg.SSHKey == "" {150		return nil151	}152	info, err := os.Stat(cfg.SSHKey)153	if err != nil {154		return err155	}156	if info.Mode()&0077 != 0 {157		return fmt.Errorf("sshkey %v is unprotected, ssh will reject it, do chmod 0600", cfg.SSHKey)158	}159	cfg.SSHKey = osutil.Abs(cfg.SSHKey)160	return nil161}162func completeBinaries(cfg *Config) error {163	sysTarget := targets.Get(cfg.TargetOS, cfg.TargetArch)164	if sysTarget == nil {165		return fmt.Errorf("unsupported OS/arch: %v/%v", cfg.TargetOS, cfg.TargetArch)166	}167	cfg.Syzkaller = osutil.Abs(cfg.Syzkaller)168	exe := sysTarget.ExeExtension169	targetBin := func(name, arch string) string {170		return filepath.Join(cfg.Syzkaller, "bin", cfg.TargetOS+"_"+arch, name+exe)171	}172	cfg.SyzFuzzerBin = targetBin("syz-fuzzer", cfg.TargetVMArch)173	cfg.SyzExecprogBin = targetBin("syz-execprog", cfg.TargetVMArch)174	cfg.SyzExecutorBin = targetBin("syz-executor", cfg.TargetArch)175	if !osutil.IsExist(cfg.SyzFuzzerBin) {176		return fmt.Errorf("bad config syzkaller param: can't find %v", cfg.SyzFuzzerBin)177	}178	if !osutil.IsExist(cfg.SyzExecprogBin) {179		return fmt.Errorf("bad config syzkaller param: can't find %v", cfg.SyzExecprogBin)180	}181	if !osutil.IsExist(cfg.SyzExecutorBin) {182		return fmt.Errorf("bad config syzkaller param: can't find %v", cfg.SyzExecutorBin)183	}184	return nil185}186func splitTarget(target string) (string, string, string, error) {187	if target == "" {188		return "", "", "", fmt.Errorf("target is empty")189	}190	targetParts := strings.Split(target, "/")191	if len(targetParts) != 2 && len(targetParts) != 3 {192		return "", "", "", fmt.Errorf("bad config param target")193	}194	os := targetParts[0]195	vmarch := targetParts[1]196	arch := targetParts[1]197	if len(targetParts) == 3 {198		arch = targetParts[2]199	}200	return os, vmarch, arch, nil201}202func ParseEnabledSyscalls(target *prog.Target, enabled, disabled []string) ([]int, error) {203	syscalls := make(map[int]bool)204	if len(enabled) != 0 {205		for _, c := range enabled {206			n := 0207			for _, call := range target.Syscalls {208				if matchSyscall(call.Name, c) {209					syscalls[call.ID] = true210					n++211				}212			}213			if n == 0 {214				return nil, fmt.Errorf("unknown enabled syscall: %v", c)215			}216		}217	} else {218		for _, call := range target.Syscalls {219			syscalls[call.ID] = true220		}221	}222	for call := range syscalls {223		if target.Syscalls[call].Attrs.Disabled {224			delete(syscalls, call)225		}226	}227	for _, c := range disabled {228		n := 0229		for _, call := range target.Syscalls {230			if matchSyscall(call.Name, c) {231				delete(syscalls, call.ID)232				n++233			}234		}235		if n == 0 {236			return nil, fmt.Errorf("unknown disabled syscall: %v", c)237		}238	}239	if len(syscalls) == 0 {240		return nil, fmt.Errorf("all syscalls are disabled by disable_syscalls in config")241	}242	var arr []int243	for id := range syscalls {244		arr = append(arr, id)245	}246	return arr, nil247}248func matchSyscall(name, pattern string) bool {249	if pattern == name || strings.HasPrefix(name, pattern+"$") {250		return true251	}252	if len(pattern) > 1 && pattern[len(pattern)-1] == '*' &&253		strings.HasPrefix(name, pattern[:len(pattern)-1]) {254		return true255	}256	return false257}...

MatchSyscall

Using AI Code Generation

1import (2func main() {3    m = mgrconfig.NewMonitorConfig()4    m.MatchSyscall("socket")5    fmt.Println(m)6}7import (8func main() {9    m = mgrconfig.NewMonitorConfig()10    m.MatchSyscall("socket")11    m.MatchSyscall("bind")12    fmt.Println(m)13}14import (15func main() {16    m = mgrconfig.NewMonitorConfig()17    m.MatchSyscall("socket")18    m.MatchSyscall("bind")19    m.MatchSyscall("connect")20    fmt.Println(m)21}22import (23func main() {24    m = mgrconfig.NewMonitorConfig()25    m.MatchSyscall("socket")26    m.MatchSyscall("bind")27    m.MatchSyscall("connect")28    m.MatchSyscall("listen")29    fmt.Println(m)30}31import (32func main() {33    m = mgrconfig.NewMonitorConfig()34    m.MatchSyscall("socket")35    m.MatchSyscall("bind")36    m.MatchSyscall("connect")37    m.MatchSyscall("listen")38    m.MatchSyscall("accept")39    fmt.Println(m)40}

MatchSyscall

Using AI Code Generation

1import (2func main() {3	matchSyscall = mgrconfig.MatchSyscall{4	}5	fmt.Println(matchSyscall)6}7import (8func main() {9	matchSyscall = mgrconfig.MatchSyscall{10	}11	fmt.Println(matchSyscall)12}13import (14func main() {15	matchSyscall = mgrconfig.MatchSyscall{16	}17	fmt.Println(matchSyscall)18}19import (20func main() {21	matchSyscall = mgrconfig.MatchSyscall{22	}23	fmt.Println(matchSyscall)24}25import (26func main() {27	matchSyscall = mgrconfig.MatchSyscall{28	}29	fmt.Println(matchSyscall)30}31import (

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