Anders F Björklund
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io/fs"
|
|
"os"
|
|
"os/user"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/CalebQ42/squashfs"
|
|
)
|
|
|
|
func userName(uid int, numeric bool) string {
|
|
us := strconv.Itoa(uid)
|
|
if numeric {
|
|
return us
|
|
}
|
|
if u, err := user.LookupId(us); err == nil {
|
|
return u.Username
|
|
}
|
|
return us
|
|
}
|
|
|
|
func groupName(gid int, numeric bool) string {
|
|
gs := strconv.Itoa(gid)
|
|
if numeric {
|
|
return gs
|
|
}
|
|
if g, err := user.LookupGroupId(gs); err == nil {
|
|
return g.Name
|
|
}
|
|
return gs
|
|
}
|
|
|
|
func printEntry(root, path string, d fs.DirEntry, numeric bool) {
|
|
fi, _ := d.Info()
|
|
sfi := fi.(squashfs.FileInfo)
|
|
owner := fmt.Sprintf("%s/%s",
|
|
userName(sfi.Uid(), numeric),
|
|
groupName(sfi.Gid(), numeric))
|
|
link := ""
|
|
if sfi.IsSymlink() {
|
|
link = " -> " + sfi.SymlinkPath()
|
|
}
|
|
fmt.Printf("%s %s %*d %s %s%s\n",
|
|
strings.ToLower(fi.Mode().String()),
|
|
owner, 26-len(owner), fi.Size(),
|
|
fi.ModTime().Format("2006-01-02 15:04"),
|
|
filepath.Join(root, path), link)
|
|
}
|
|
|
|
func main() {
|
|
verbose := flag.Bool("v", false, "Verbose")
|
|
list := flag.Bool("l", false, "List")
|
|
long := flag.Bool("ll", false, "List with attributes")
|
|
numeric := flag.Bool("lln", false, "List with attributes and numeric ids")
|
|
ignore := flag.Bool("ip", false, "Ignore Permissions and extract all files/folders with 0755")
|
|
flag.Parse()
|
|
if len(flag.Args()) < 2 {
|
|
fmt.Println("Please provide a file name and extraction path")
|
|
os.Exit(0)
|
|
}
|
|
f, err := os.Open(flag.Arg(0))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
r, err := squashfs.NewReader(f)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if *list || *long || *numeric {
|
|
root := flag.Arg(1)
|
|
fs.WalkDir(r, ".", func(path string, d fs.DirEntry, err error) error {
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if *long || *numeric {
|
|
printEntry(root, path, d, *numeric)
|
|
} else {
|
|
fmt.Println(filepath.Join(root, path))
|
|
}
|
|
return nil
|
|
})
|
|
return
|
|
}
|
|
op := squashfs.DefaultOptions()
|
|
op.Verbose = *verbose
|
|
op.IgnorePerm = *ignore
|
|
n := time.Now()
|
|
err = r.ExtractWithOptions(flag.Arg(1), op)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
fmt.Println("Took:", time.Since(n))
|
|
}
|