mirror of
https://github.com/systemd/systemd
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We need access to /dev/net/tun, hence make sure we can actually see
/dev/. Also make sure the module is properly loaded before we operate,
given that we run with limit caps. But then again give the CAP_NET_ADMIN
cap, since we need to configure the network tap/tun devices.
Follow-up for: 1365034727
50 lines
1.4 KiB
SYSTEMD
50 lines
1.4 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Namespace Resource Manager
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Documentation=man:systemd-nsresourced.service(8)
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Requires=systemd-nsresourced.socket
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Conflicts=shutdown.target
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Before=sysinit.target shutdown.target
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Wants=modprobe@tun.service
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After=modprobe@tun.service
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DefaultDependencies=no
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[Service]
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CapabilityBoundingSet=CAP_DAC_READ_SEARCH CAP_SYS_RESOURCE CAP_BPF CAP_PERFMON CAP_SETGID CAP_SETUID CAP_SYS_ADMIN CAP_CHOWN CAP_FOWNER CAP_NET_ADMIN
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ExecStart={{LIBEXECDIR}}/systemd-nsresourced
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IPAddressDeny=any
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LimitNOFILE={{HIGH_RLIMIT_NOFILE}}
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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NoNewPrivileges=yes
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DevicePolicy=closed
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DeviceAllow=/dev/net/tun rwm
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ProtectProc=invisible
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ProtectControlGroups=yes
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ProtectHome=yes
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ProtectHostname=yes
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ProtectKernelLogs=yes
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ProtectKernelModules=yes
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ProtectSystem=strict
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RestrictAddressFamilies=AF_UNIX AF_NETLINK
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service bpf perf_event_open open_by_handle_at
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Type=notify
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NotifyAccess=all
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FileDescriptorStoreMax=4096
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{{SERVICE_WATCHDOG}}
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[Install]
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Also=systemd-nsresourced.socket
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