lynx/paths.go

41 lines
1.1 KiB
Go

// +build openbsd
// Package lynx is a simple unveil & pledge wrapper.
package lynx
import "golang.org/x/sys/unix"
// UnveilPaths takes a map of path, permission & unveils them one by
// one, it will return an error if unveil fails at any step. "no such
// file or directory" error is ignored.
func UnveilPaths(paths map[string]string) error {
for k, v := range paths {
err := unix.Unveil(k, v)
// "no such file or directory" error is ignored.
if err != nil && err.Error() != "no such file or directory" {
// Better error message could be returned like
// one that includes the path on which unveil
// failed.
return err
}
}
// Returning nil because err can be "no such file or
// directory" which needs to be ignored.
return nil
}
// UnveilPathsStrict takes a map of path, permission & unveils them
// one by one, it will return an error if unveil fails at any steop.
// No error is ignored.
func UnveilPathsStrict(paths map[string]string) (err error) {
for k, v := range paths {
err = unix.Unveil(k, v)
if err != nil {
return
}
}
return
}