out-of-tree kernel {module, exploit} development tool
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

76 lines
1.5 KiB

// Copyright 2018 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 (
"io"
"io/ioutil"
"log"
"net/http"
"os"
"os/exec"
"os/user"
)
// inspired by Edd Turtle code
func downloadFile(filepath string, url string) (err error) {
out, err := os.Create(filepath)
if err != nil {
return
}
defer out.Close()
resp, err := http.Get(url)
if err != nil {
return
}
defer resp.Body.Close()
_, err = io.Copy(out, resp.Body)
return
}
func unpackTar(archive, destination string) (err error) {
cmd := exec.Command("tar", "xf", archive)
cmd.Dir = destination + "/"
rawOutput, err := cmd.CombinedOutput()
if err != nil {
// I don't like when some errors printed inside
// So if you know way to do it better - FIXME please
log.Println("Unpack images error:", string(rawOutput), err)
return
}
return
}
func bootstrapHandler() (err error) {
usr, err := user.Current()
if err != nil {
return
}
imagesPath := usr.HomeDir + "/.out-of-tree/images/"
os.MkdirAll(imagesPath, os.ModePerm)
tmp, err := ioutil.TempDir("/tmp/", "out-of-tree_")
if err != nil {
log.Println("Temporary directory creation error:", err)
return
}
defer os.RemoveAll(tmp)
imagesArchive := tmp + "/images.tar.gz"
err = downloadFile(imagesArchive, imagesURL)
if err != nil {
log.Println("Download file error:", err)
return
}
err = unpackTar(imagesArchive, imagesPath)
return
}