commands: initialize plugins if we have a KMS

this is necessary to be able to read KMS secrets stored within
the data provider

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

internal/cmd/signals_windows.go

@@ -0,0 +1,36 @@
+// Copyright (C) 2025 Nicola Murino
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"os"
+	"os/signal"
+
+	"github.com/drakkan/sftpgo/v2/internal/logger"
+	"github.com/drakkan/sftpgo/v2/internal/plugin"
+)
+
+func registerSignals() {
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	go func() {
+		for range c {
+			logger.DebugToConsole("Received interrupt request")
+			plugin.Handler.Cleanup()
+			os.Exit(0)
+		}
+	}()
+}