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From an original patch by Danish Prakash. With commitff22a78d7b("pasta: Don't try to watch namespaces in procfs with inotify, use timer instead"), if a filesystem-bound target namespace is passed on the command line, we'll grab a handle on its parent directory. That commit, however, didn't introduce a matching AppArmor rule. Add it here. To access a network namespace procfs entry, we also need a 'ptrace' rule. See commit594dce66d3("isolation: keep CAP_SYS_PTRACE when required") for details as to when we need this -- essentially, it's about operation with Buildah. Reported-by: Jörg Sonnenberger <joerg@bec.de> Link: https://github.com/containers/buildah/issues/5440 Link: https://bugzilla.suse.com/show_bug.cgi?id=1221840 Fixes:ff22a78d7b("pasta: Don't try to watch namespaces in procfs with inotify, use timer instead") Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# contrib/apparmor/abstractions/pasta - Abstraction for pasta(1)
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#
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# Copyright (c) 2022 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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abi <abi/3.0>,
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include <abstractions/passt>
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mount "" -> "/proc/",
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@{PROC}/net/tcp r, # procfs_scan_listen(), util.c
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@{PROC}/net/tcp6 r,
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@{PROC}/net/udp r,
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@{PROC}/net/udp6 r,
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@{PROC}/@{pid}/net/tcp r, # procfs_scan_listen(), util.c
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@{PROC}/@{pid}/net/tcp6 r,
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@{PROC}/@{pid}/net/udp r,
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@{PROC}/@{pid}/net/udp6 r,
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@{run}/user/@{uid}/** rw, # pasta_open_ns(), main()
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@{PROC}/[0-9]*/ns/ r, # pasta_netns_quit_init(),
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@{PROC}/[0-9]*/ns/net r, # pasta_wait_for_ns(),
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@{PROC}/[0-9]*/ns/user r, # conf_pasta_ns()
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/dev/net/tun rw, # tap_ns_tun(), tap.c
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owner @{PROC}/@{pid}/gid_map w, # pasta_start_ns(), conf_ugid()
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owner @{PROC}/@{pid}/setgroups w,
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owner @{PROC}/@{pid}/uid_map rw,
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owner @{PROC}/sys/net/ipv4/ping_group_range w, # pasta_spawn_cmd(), pasta.c
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/{usr/,}bin/** Ux,
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/usr/bin/pasta.avx2 ix, # arch_avx2_exec(), arch.c
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ptrace r, # pasta_open_ns()
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