105 lines
1.9 KiB
Go
105 lines
1.9 KiB
Go
//go:build !windows
|
|
// +build !windows
|
|
|
|
package handlers
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"os/exec"
|
|
"os/user"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
|
|
"overlord-client/cmd/agent/wire"
|
|
)
|
|
|
|
func getFilePermissions(info os.FileInfo) (mode, owner, group string) {
|
|
|
|
mode = fmt.Sprintf("%04o", info.Mode().Perm())
|
|
|
|
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
|
|
|
|
if u, err := user.LookupId(strconv.Itoa(int(stat.Uid))); err == nil {
|
|
owner = u.Username
|
|
} else {
|
|
owner = strconv.Itoa(int(stat.Uid))
|
|
}
|
|
|
|
if g, err := user.LookupGroupId(strconv.Itoa(int(stat.Gid))); err == nil {
|
|
group = g.Name
|
|
} else {
|
|
group = strconv.Itoa(int(stat.Gid))
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func enrichFileEntry(entry *wire.FileEntry, info os.FileInfo) {
|
|
mode, owner, group := getFilePermissions(info)
|
|
entry.Mode = mode
|
|
entry.Owner = owner
|
|
entry.Group = group
|
|
}
|
|
|
|
func ChangeFilePermissions(path string, mode string) error {
|
|
|
|
var modeVal uint32
|
|
_, err := fmt.Sscanf(mode, "%o", &modeVal)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid mode format: %v", err)
|
|
}
|
|
|
|
return os.Chmod(path, os.FileMode(modeVal))
|
|
}
|
|
|
|
func ExecuteFile(path string) error {
|
|
ext := ""
|
|
if idx := strings.LastIndex(path, "."); idx != -1 {
|
|
ext = path[idx:]
|
|
}
|
|
|
|
info, err := os.Stat(path)
|
|
if err != nil {
|
|
return fmt.Errorf("file not found: %s", path)
|
|
}
|
|
|
|
switch ext {
|
|
case ".sh", ".bash":
|
|
|
|
return execCommand("bash", path)
|
|
case ".py":
|
|
|
|
return execCommand("python3", path)
|
|
case ".rb":
|
|
|
|
return execCommand("ruby", path)
|
|
case ".js":
|
|
|
|
return execCommand("node", path)
|
|
case ".pl":
|
|
|
|
return execCommand("perl", path)
|
|
case "":
|
|
|
|
if info.Mode()&0111 != 0 {
|
|
return execCommand(path)
|
|
}
|
|
return fmt.Errorf("file is not executable")
|
|
default:
|
|
|
|
if info.Mode()&0111 != 0 {
|
|
return execCommand(path)
|
|
}
|
|
return fmt.Errorf("unsupported file type: %s", ext)
|
|
}
|
|
}
|
|
|
|
func execCommand(name string, args ...string) error {
|
|
cmd := exec.Command(name, args...)
|
|
|
|
return cmd.Start()
|
|
}
|