52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
//go:build !windows
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// +build !windows
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package utils
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import (
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"errors"
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"os"
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"syscall"
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)
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func DirWritable(path string) (bool, error) {
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info, err := os.Stat(path)
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if err != nil {
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return false, errors.New("path doesn't exist")
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}
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if !info.IsDir() {
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return false, errors.New("path isn't a directory")
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}
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var stat syscall.Stat_t
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if err = syscall.Stat(path, &stat); err != nil {
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return false, errors.New("unable to get stat")
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}
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if uint32(os.Geteuid()) == stat.Uid {
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if info.Mode().Perm()&(1<<7) != 0 {
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// owner matches and has write permissions
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return true, nil
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} else {
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return false, errors.New("owner doesn't have write permissions for this path")
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}
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}
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if uint32(os.Getegid()) == stat.Gid {
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if info.Mode().Perm()&(1<<4) != 0 {
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// group matches and has write permissions
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return true, nil
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} else {
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return false, errors.New("group doesn't have write permissions for this path")
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}
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}
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if info.Mode().Perm()&(1<<1) != 0 {
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// all users have write permissions
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return true, nil
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}
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return false, errors.New("user doesn't have write permissions for this path")
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}
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