libgocryptfs/internal/stupidgcm/without_openssl.go
Jakob Unterwurzacher 3409ade272 forcedecode: tighten checks
...and fix a few golint issues and print a scary warning message on mount.

Also, force the fs to ro,noexec.
2017-04-24 00:25:02 +02:00

47 lines
745 B
Go

// +build without_openssl
package stupidgcm
import (
"fmt"
"os"
)
type stupidGCM struct{}
const (
// BuiltWithoutOpenssl indicates if openssl been disabled at compile-time
BuiltWithoutOpenssl = true
)
func errExit() {
fmt.Fprintln(os.Stderr, "gocryptfs has been compiled without openssl support but you are still trying to use openssl")
os.Exit(2)
}
func New(_ []byte, _ bool) stupidGCM {
errExit()
// Never reached
return stupidGCM{}
}
func (g stupidGCM) NonceSize() int {
errExit()
return -1
}
func (g stupidGCM) Overhead() int {
errExit()
return -1
}
func (g stupidGCM) Seal(_, _, _, _ []byte) []byte {
errExit()
return nil
}
func (g stupidGCM) Open(_, _, _, _ []byte) ([]byte, error) {
errExit()
return nil, nil
}