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feat(abs): add initial version of the bwrap abs.

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- To be used by profile that runs bwrap directly.
- Needs more rule when used alongside flatpak
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Alexandre Pujol 2024-02-24 18:41:36 +00:00
parent 975bbabf9c
commit 99e4c4622d
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# apparmor.d - Full set of apparmor profiles
# Copyright (C) 2024 Alexandre Pujol <alexandre@pujol.io>
# SPDX-License-Identifier: GPL-2.0-only
# Minimal set of rules for bwrap
# A profile using this abstaction still needs to include: @{bin}/bwrap rix,
capability net_admin,
capability setpcap,
capability sys_admin,
capability sys_ptrace,
network netlink raw,
mount fstype=devpts options=(rw nosuid noexec) devpts -> /newroot/dev/pts/,
mount fstype=proc options=(rw nosuid nodev noexec) proc -> /newroot/@{PROC}/,
mount fstype=tmpfs options=(rw nosuid nodev) tmpfs -> /newroot/dev/,
mount fstype=tmpfs options=(rw nosuid nodev) tmpfs -> /newroot/tmp/,
mount fstype=tmpfs options=(rw nosuid nodev) tmpfs -> /tmp/,
mount options=(ro nosuid nodev noexec remount bind silent relatime) -> /newroot/**/,
mount options=(ro nosuid nodev remount bind silent relatime) -> /newroot/**/,
mount options=(rw nosuid nodev remount bind silent relatime) -> /newroot/**/,
mount options=(rw rbind) /tmp/newroot/ -> /tmp/newroot/,
mount options=(rw rbind) /oldroot/dev/* -> /newroot/dev/*,
mount options=(rw rbind) /oldroot/{,**/} -> /newroot/{,**/},
mount options=(rw silent rprivate) -> /oldroot/,
mount options=(rw silent rslave) -> /,
umount /,
umount /oldroot/,
pivot_root oldroot=/newroot/ /newroot/,
pivot_root oldroot=/tmp/oldroot/ /tmp/,
owner / r,
owner /newroot/**/ w,
owner /newroot/dev/* w,
owner /tmp/newroot/ w,
owner /tmp/oldroot/ w,
@{sys}/fs/cgroup/user.slice/cpu.max r,
@{sys}/fs/cgroup/user.slice/user-@{uid}.slice/cpu.max r,
@{sys}/fs/cgroup/user.slice/user-@{uid}.slice/user@@{uid}.service/app.slice/cpu.max r,
@{sys}/fs/cgroup/user.slice/user-@{uid}.slice/user@@{uid}.service/cpu.max r,
@{PROC}/sys/kernel/overflowgid r,
@{PROC}/sys/kernel/overflowuid r,
@{PROC}/sys/user/max_user_namespaces r,
owner @{PROC}/@{pid}/cgroup r,
owner @{PROC}/@{pid}/fd/ r,
owner @{PROC}/@{pid}/gid_map rw,
owner @{PROC}/@{pid}/mountinfo r,
owner @{PROC}/@{pid}/setgroups rw,
owner @{PROC}/@{pid}/uid_map rw,
include if exists <abstractions/bwrap.d>