admin/pki: avoid some hard to read characters in password

admin/pki/common.go

@@ -8,6 +8,7 @@ import (
 	"encoding/base64"
 	"encoding/pem"
 	"os"
+	"strings"
 )
 
 var PKIDir string
@@ -22,6 +23,17 @@ func GeneratePassword() (password string, err error) {
 
 	password = base64.StdEncoding.EncodeToString(b)
 
+	// Avoid hard to read characters
+	for _, i := range [][2]string{
+		{"v", "*"}, {"u", "("},
+		{"l", "%"}, {"1", "?"},
+		{"o", "@"}, {"O", "!"}, {"0", ">"},
+		// This one is to avoid problem with openssl
+		{"/", "^"},
+	} {
+		password = strings.Replace(password, i[0], i[1], -1)
+	}
+
 	return
 }