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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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