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out-of-tree/main.go

110 lines
2.7 KiB
Go

// Copyright 2023 Mikhail Klementev. All rights reserved.
// Use of this source code is governed by a AGPLv3 license
// (or later) that can be found in the LICENSE file.
package main
import (
"fmt"
"math/rand"
"os"
"runtime/debug"
"strconv"
"time"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/alecthomas/kong"
"code.dumpstack.io/tools/out-of-tree/config"
)
type Globals struct {
Config config.OutOfTree `help:"path to out-of-tree configuration" default:"~/.out-of-tree/out-of-tree.toml"`
WorkDir string `help:"path to work directory" default:"./" type:"path"`
}
type CLI struct {
Globals
Pew PewCmd `cmd:"" help:"build, run, and test module/exploit"`
Kernel KernelCmd `cmd:"" help:"manipulate kernels"`
Debug DebugCmd `cmd:"" help:"debug environment"`
Log LogCmd `cmd:"" help:"query logs"`
Pack PackCmd `cmd:"" help:"exploit pack test"`
Gen GenCmd `cmd:"" help:"generate .out-of-tree.toml skeleton"`
Image ImageCmd `cmd:"" help:"manage images"`
Version VersionFlag `name:"version" help:"print version information and quit"`
LogLevel LogLevelFlag `enum:"debug,info,warn,error" default:"info"`
}
type LogLevelFlag string
func (loglevel LogLevelFlag) AfterApply() error {
switch loglevel {
case "debug":
zerolog.SetGlobalLevel(zerolog.DebugLevel)
zerolog.CallerMarshalFunc = func(pc uintptr, file string, line int) string {
short := file
for i := len(file) - 1; i > 0; i-- {
if file[i] == '/' {
short = file[i+1:]
break
}
}
file = short
return file + ":" + strconv.Itoa(line)
}
log.Logger = log.With().Caller().Logger()
case "info":
zerolog.SetGlobalLevel(zerolog.InfoLevel)
case "warn":
zerolog.SetGlobalLevel(zerolog.WarnLevel)
case "error":
zerolog.SetGlobalLevel(zerolog.ErrorLevel)
}
return nil
}
type VersionFlag string
func (v VersionFlag) Decode(ctx *kong.DecodeContext) error { return nil }
func (v VersionFlag) IsBool() bool { return true }
func (v VersionFlag) BeforeApply(app *kong.Kong, vars kong.Vars) error {
fmt.Println(vars["version"])
app.Exit(0)
return nil
}
func main() {
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
rand.Seed(time.Now().UnixNano())
cli := CLI{}
ctx := kong.Parse(&cli,
kong.Name("out-of-tree"),
kong.Description("kernel {module, exploit} development tool"),
kong.UsageOnError(),
kong.ConfigureHelp(kong.HelpOptions{
Compact: true,
}),
kong.Vars{
"version": "1.4.0",
},
)
if buildInfo, ok := debug.ReadBuildInfo(); ok {
log.Debug().Msgf("%v", buildInfo.GoVersion)
log.Debug().Msgf("%v", buildInfo.Settings)
}
err := ctx.Run(&cli.Globals)
ctx.FatalIfErrorf(err)
}