Implement "gocryptfs --passwd" (pasword changing)

1 files changed, 31 insertions, 0 deletions

diff --git a/gocryptfs_main/password.go b/gocryptfs_main/password.go
new file mode 100644
index 0000000..821ecb4
--- /dev/null
+++ b/gocryptfs_main/password.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"golang.org/x/crypto/ssh/terminal"
+	"os"
+)
+
+func readPasswordTwice() string {
+	fmt.Printf("Password: ")
+	p1 := readPassword()
+	fmt.Printf("\nRepeat: ")
+	p2 := readPassword()
+	fmt.Printf("\n")
+	if p1 != p2 {
+		fmt.Printf("Passwords do not match\n")
+		os.Exit(ERREXIT_PASSWORD)
+	}
+	return p1
+}
+
+// Get password from terminal
+func readPassword() string {
+	fd := int(os.Stdin.Fd())
+	p, err := terminal.ReadPassword(fd)
+	if err != nil {
+		fmt.Printf("Error: Could not read password: %v\n", err)
+		os.Exit(ERREXIT_PASSWORD)
+	}
+	return string(p)
+}