126 lines
3.4 KiB
Text
126 lines
3.4 KiB
Text
# apparmor.d - Full set of apparmor profiles
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# Copyright (C) 2019-2021 Mikhail Morfikov
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# Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# The following profile assumes that:
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# openvpn is started as root with dropping privileges
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# iptables is used
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# config files can be stored in:
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# - /etc/openvpn/*.{conf,ovpn}
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# - /etc/openvpn/{client,server}/*.{conf,ovpn}
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# certs/keys can be are stored in:
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# - /etc/openvpn/certs/*.{key,crt}
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# - $HOME/.cert/**/*.pem
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# auth credentials are stored in: /etc/openvpn/auth/*.auth
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# logs are redirected to: /var/log/openvpn/*.log
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# DNS/resolver script is stored in: /etc/openvpn/update-resolv-conf{,.sh}
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# If a user wants to type user/pass interactively, systemd-ask-password is
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# invoked for that.
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abi <abi/4.0>,
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include <tunables/global>
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@{exec_path} = @{sbin}/openvpn
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profile openvpn @{exec_path} flags=(attach_disconnected) {
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include <abstractions/base>
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include <abstractions/nameservice-strict>
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capability dac_override,
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capability dac_read_search,
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capability net_admin, # create tun
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capability setgid, # when user/group are set in a OpenVPN config file
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capability setuid,
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capability sys_module,
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network inet dgram,
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network inet6 dgram,
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network inet stream,
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network inet6 stream,
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network netlink raw,
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signal (receive) set=(term) peer=nm-openvpn-service,
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@{exec_path} mr,
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@{lib}/{,NetworkManager/}nm-openvpn-service-openvpn-helper rPx,
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/etc/openvpn/{,**} r,
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@{HOME}/.cert/{,**} r,
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/var/log/openvpn/*.log w,
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@{run}/NetworkManager/nm-openvpn-@{uuid} rw,
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@{run}/openvpn/*.{pid,status} rw,
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@{run}/systemd/journal/dev-log r,
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@{bin}/ip rix,
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@{bin}/systemd-ask-password rPx,
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@{lib}/nm-openvpn-service-openvpn-helper rPx,
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/etc/openvpn/force-user-traffic-via-vpn.sh rCx -> force-user-traffic-via-vpn,
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/etc/openvpn/update-resolv-conf{,.sh} rCx -> update-resolv,
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/dev/net/tun rw,
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owner @{PROC}/@{pid}/net/route r,
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profile update-resolv {
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include <abstractions/base>
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include <abstractions/consoles>
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include <abstractions/nameservice-strict>
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# To be able to manage firewall rules.
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capability net_admin,
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/etc/openvpn/update-resolv-conf.sh r,
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@{sh_path} rix,
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@{bin}/cut rix,
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@{bin}/ip rix,
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@{bin}/which{,.debianutils} rix,
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@{sbin}/xtables-nft-multi rix,
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/etc/iproute2/rt_tables r,
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/etc/iproute2/rt_tables.d/{,*} r,
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include if exists <local/openvpn_update-resolv>
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}
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profile force-user-traffic-via-vpn {
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include <abstractions/base>
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include <abstractions/consoles>
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include <abstractions/nameservice-strict>
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# To be able to manage firewall rules.
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capability net_admin,
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network netlink raw,
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/etc/openvpn/ r,
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/etc/openvpn/force-user-traffic-via-vpn.sh r,
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@{sh_path} rix,
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@{bin}/{,e}grep rix,
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@{bin}/cut rix,
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@{bin}/env rix,
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@{bin}/ip rix,
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@{sbin}/nft rix,
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@{bin}/sed rix,
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/etc/iproute2/rt_realms r,
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/etc/iproute2/group r,
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/etc/iproute2/rt_tables.d/ r,
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/etc/iproute2/rt_tables rw,
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/etc/iproute2/sed@{rand6} rw,
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owner @{PROC}/sys/net/ipv{4,}/route/flush w,
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include if exists <local/openvpn_force-user-traffic-via-vpn>
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}
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include if exists <local/openvpn>
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}
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# vim:syntax=apparmor
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