[wireguard] Add plugin for WireGuard VPN tunnels

sos/report/plugins/wireguard.py

@@ -0,0 +1,47 @@
+# Copyright (C) 2026 Suraj Patil <surajpatil522@gmail.com>
+
+# This file is part of the sos project: https://github.com/sosreport/sos
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions of
+# version 2 of the GNU General Public License.
+#
+# See the LICENSE file in the source distribution for further information.
+
+from sos.report.plugins import Plugin, IndependentPlugin
+
+
+class WireGuard(Plugin, IndependentPlugin):
+
+    short_desc = 'WireGuard VPN tunnels'
+
+    plugin_name = 'wireguard'
+    profiles = ('network', 'security')
+
+    packages = ('wireguard-tools',)
+    files = ('/etc/wireguard',)
+    kernel_mods = ('wireguard',)
+
+    def setup(self):
+        self.add_copy_spec('/etc/wireguard/*.conf')
+
+        # "wg show" masks private and preshared keys as "(hidden)" unless
+        # WG_HIDE_KEYS=never is set in the environment, so the default
+        # output is safe to collect. "wg showconf" is deliberately not
+        # run, as it prints the private key verbatim.
+        self.add_cmd_output('wg show all', tags='wg_show')
+
+        self.add_service_status('wg-quick@*')
+        self.add_journal(units='wg-quick@*')
+
+    def postproc(self):
+        # Interface configuration files hold the interface private key
+        # and any per-peer preshared key in cleartext.
+        #
+        # PrivateKey = 8Gt...=    ->    PrivateKey = ********
+        self.do_path_regex_sub(
+            '/etc/wireguard/.*',
+            r'((?:Private|Preshared)Key\s*=\s*)\S+',
+            r'\1********')
+
+# vim: set et ts=4 sw=4 :