hardcoresushi/libgocryptfs
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Suppress password prompt when using -extpass

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Also, add color to the error messages.
This commit is contained in:
Jakob Unterwurzacher 2016-01-23 20:18:39 +01:00
parent e799ae672d
commit 1030522fe6
2 changed files with 18 additions and 13 deletions
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2
main.go
View File

@ -96,7 +96,9 @@ func loadConfig(args *argContainer) (masterkey []byte, confFile *cryptfs.ConfFil
fmt.Println(err) fmt.Println(err)
os.Exit(ERREXIT_LOADCONF) os.Exit(ERREXIT_LOADCONF)
} }
if args.extpass == "" {
fmt.Printf("Password: ") fmt.Printf("Password: ")
}
pw := readPassword(args.extpass) pw := readPassword(args.extpass)
cryptfs.Info.Printf("Decrypting master key... ") cryptfs.Info.Printf("Decrypting master key... ")
cryptfs.Warn.Enabled = false // Silence DecryptBlock() error messages on incorrect password cryptfs.Warn.Enabled = false // Silence DecryptBlock() error messages on incorrect password

17
password.go
View File

@ -10,15 +10,19 @@ import (
) )
func readPasswordTwice(extpass string) string { func readPasswordTwice(extpass string) string {
if extpass == "" {
fmt.Printf("Password: ") fmt.Printf("Password: ")
p1 := readPassword(extpass) p1 := readPassword("")
fmt.Printf("Repeat: ") fmt.Printf("Repeat: ")
p2 := readPassword(extpass) p2 := readPassword("")
if p1 != p2 { if p1 != p2 {
fmt.Printf("Passwords do not match\n") fmt.Println(colorRed + "Passwords do not match" + colorReset)
os.Exit(ERREXIT_PASSWORD) os.Exit(ERREXIT_PASSWORD)
} }
return p1 return p1
} else {
return readPassword(extpass)
}
} }
// readPassword - get password from terminal // readPassword - get password from terminal
@ -33,10 +37,9 @@ func readPassword(extpass string) string {
cmd.Stderr = os.Stderr cmd.Stderr = os.Stderr
output, err = cmd.Output() output, err = cmd.Output()
if err != nil { if err != nil {
fmt.Printf("extpass program returned error: %v\n", err) fmt.Printf(colorRed+"extpass program returned error: %v\n"+colorReset, err)
os.Exit(ERREXIT_PASSWORD) os.Exit(ERREXIT_PASSWORD)
} }
fmt.Printf("(extpass)\n")
// Trim trailing newline like terminal.ReadPassword() does // Trim trailing newline like terminal.ReadPassword() does
if output[len(output)-1] == '\n' { if output[len(output)-1] == '\n' {
output = output[:len(output)-1] output = output[:len(output)-1]
@ -45,14 +48,14 @@ func readPassword(extpass string) string {
fd := int(os.Stdin.Fd()) fd := int(os.Stdin.Fd())
output, err = terminal.ReadPassword(fd) output, err = terminal.ReadPassword(fd)
if err != nil { if err != nil {
fmt.Printf("Error: Could not read password from terminal: %v\n", err) fmt.Printf(colorRed+"Could not read password from terminal: %v\n"+colorReset, err)
os.Exit(ERREXIT_PASSWORD) os.Exit(ERREXIT_PASSWORD)
} }
fmt.Printf("\n") fmt.Printf("\n")
} }
password = string(output) password = string(output)
if password == "" { if password == "" {
fmt.Printf("Error: password is empty\n") fmt.Printf(colorRed + "Password is empty\n" + colorReset)
os.Exit(ERREXIT_PASSWORD) os.Exit(ERREXIT_PASSWORD)
} }
return password return password