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main.go
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main.go
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package main
import (
"fmt"
"os"
"runtime/debug"
"github.com/RedTeamPentesting/monsoon/cmd/fuzz"
"github.com/RedTeamPentesting/monsoon/cmd/list"
"github.com/RedTeamPentesting/monsoon/cmd/show"
"github.com/spf13/cobra"
)
var version = ""
var cmdRoot = &cobra.Command{
Use: "monsoon COMMAND [options]",
SilenceErrors: true,
SilenceUsage: true,
}
var cmdVersion = &cobra.Command{
Use: "version",
Short: "Print the current version",
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("monsoon " + buildVersionString(version))
},
}
var completionCmd = &cobra.Command{
Use: "completion [bash|zsh|fish|powershell]",
Short: "Generate completion script",
Long: "To load completions",
DisableFlagsInUseLine: true,
ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
Args: cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
RunE: func(cmd *cobra.Command, args []string) error {
switch args[0] {
case "bash":
return cmdRoot.GenBashCompletionV2(os.Stdout, true)
case "zsh":
return cmdRoot.GenZshCompletion(os.Stdout)
case "fish":
return cmdRoot.GenFishCompletion(os.Stdout, true)
case "powershell":
return cmdRoot.GenPowerShellCompletionWithDesc(os.Stdout)
default:
return fmt.Errorf("unsupported argument: %q", args[0])
}
},
}
func init() {
// configure cobra help texts
setupHelp(cmdRoot)
fuzz.AddCommand(cmdRoot)
show.AddCommand(cmdRoot)
list.AddCommand(cmdRoot)
cmdRoot.AddCommand(cmdVersion)
cmdRoot.AddCommand(completionCmd)
}
func injectDefaultCommand(args []string) []string {
validCommands := make(map[string]struct{})
for _, cmd := range cmdRoot.Commands() {
validCommands[cmd.Name()] = struct{}{}
}
// check that there's a command in the arguments
for _, arg := range args {
if _, ok := validCommands[arg]; ok {
// valid command found, nothing to do
return args
}
if arg == "-h" || arg == "--help" || arg == "help" {
// request for help found, do not inject default command
return args
}
}
// inject default command as first argument
fmt.Fprintf(os.Stderr, "no command found, assuming 'monsoon fuzz'\n\n")
args = append([]string{"fuzz"}, args...)
return args
}
func main() {
resetTerminal := prepareTerminal()
defer resetTerminal()
os.Args = append(os.Args[:1], injectDefaultCommand(os.Args[1:])...)
cmdRoot.SetArgs(os.Args[1:])
err := cmdRoot.Execute()
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
resetTerminal()
os.Exit(1)
}
}
func buildVersionString(compileTimeVersion string) string {
fallback := compileTimeVersion
if fallback == "" {
fallback = "unknown version"
}
buildInfo, ok := debug.ReadBuildInfo()
if !ok {
return fallback
}
buildSetting := func(key string) (string, bool) {
for _, setting := range buildInfo.Settings {
if setting.Key == key {
return setting.Value, true
}
}
return "", false
}
vcs, ok := buildSetting("vcs")
if !ok {
return fallback
}
commit, _ := buildSetting("vcs.revision")
if !ok {
return version
}
var dirtyTag string
dirty, ok := buildSetting("vcs.modified")
if ok && dirty == "true" && commit != "" {
dirtyTag = " (dirty)"
}
if compileTimeVersion != "" {
versionString := compileTimeVersion
if commit != "" {
versionString += "-" + shortCommit(commit) + dirtyTag
}
return versionString
}
return fmt.Sprintf("built from %s revision %s%s", vcs, commit, dirtyTag)
}
func shortCommit(commit string) string {
if len(commit) < 8 {
return commit
}
return commit[:8]
}