move SFTPGo package to the internal folder

SFTPGo is a daemon and command line tool, not a library.

The public API are provided by the SDK

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

internal/plugin/util.go

@@ -0,0 +1,39 @@
+// Copyright (C) 2019-2022  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 plugin
+
+import (
+	"github.com/shirou/gopsutil/v3/process"
+
+	"github.com/drakkan/sftpgo/v2/internal/logger"
+)
+
+func killProcess(processPath string) {
+	procs, err := process.Processes()
+	if err != nil {
+		return
+	}
+	for _, p := range procs {
+		cmdLine, err := p.Exe()
+		if err == nil {
+			if cmdLine == processPath {
+				err = p.Kill()
+				logger.Debug(logSender, "", "killed process %v, pid %v, err %v", cmdLine, p.Pid, err)
+				return
+			}
+		}
+	}
+	logger.Debug(logSender, "", "no match for plugin process %v", processPath)
+}