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96 lines
2.8 KiB
Groff
96 lines
2.8 KiB
Groff
# vim:syntax=apparmor
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#include <tunables/global>
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/usr/bin/man {
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#include <abstractions/base>
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# Use a special profile when man calls anything groff-related. We only
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# include the programs that actually parse input data in a non-trivial
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# way, not wrappers such as groff and nroff, since the latter would need a
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# broader profile.
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/usr/bin/eqn rmCx -> &man_groff,
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/usr/bin/grap rmCx -> &man_groff,
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/usr/bin/pic rmCx -> &man_groff,
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/usr/bin/preconv rmCx -> &man_groff,
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/usr/bin/refer rmCx -> &man_groff,
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/usr/bin/tbl rmCx -> &man_groff,
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/usr/bin/troff rmCx -> &man_groff,
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/usr/bin/vgrind rmCx -> &man_groff,
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# Similarly, use a special profile when man calls decompressors and other
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# simple filters.
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/{,usr/}bin/bzip2 rmCx -> &man_filter,
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/{,usr/}bin/gzip rmCx -> &man_filter,
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/usr/bin/col rmCx -> &man_filter,
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/usr/bin/compress rmCx -> &man_filter,
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/usr/bin/iconv rmCx -> &man_filter,
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/usr/bin/lzip.lzip rmCx -> &man_filter,
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/usr/bin/tr rmCx -> &man_filter,
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/usr/bin/xz rmCx -> &man_filter,
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# Allow basically anything in terms of file system access, subject to DAC.
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# The purpose of this profile isn't to confine man itself (that might be
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# nice in the future, but is tricky since it's quite configurable), but to
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# confine the processes it calls that parse untrusted data.
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/** mrixwlk,
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capability setuid,
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capability setgid,
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signal peer=man_groff,
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signal peer=man_filter,
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# Site-specific additions and overrides. See local/README for details.
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#include <local/usr.bin.man>
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}
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profile man_groff {
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#include <abstractions/base>
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# Recent kernels revalidate open FDs, and there are often some still
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# open on TTYs. This is temporary until man learns to close irrelevant
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# open FDs before execve.
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#include <abstractions/consoles>
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# man always runs its groff pipeline with the input file open on stdin,
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# so we can skip <abstractions/user-manpages>.
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/usr/bin/eqn rm,
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/usr/bin/grap rm,
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/usr/bin/pic rm,
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/usr/bin/preconv rm,
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/usr/bin/refer rm,
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/usr/bin/tbl rm,
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/usr/bin/troff rm,
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/usr/bin/vgrind rm,
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/etc/groff/** r,
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/usr/lib/groff/site-tmac/** r,
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/usr/share/groff/** r,
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signal peer=/usr/bin/man,
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}
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profile man_filter {
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#include <abstractions/base>
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# Recent kernels revalidate open FDs, and there are often some still
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# open on TTYs. This is temporary until man learns to close irrelevant
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# open FDs before execve.
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#include <abstractions/consoles>
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/{,usr/}bin/bzip2 rm,
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/{,usr/}bin/gzip rm,
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/usr/bin/col rm,
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/usr/bin/compress rm,
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/usr/bin/iconv rm,
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/usr/bin/lzip.lzip rm,
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/usr/bin/tr rm,
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/usr/bin/xz rm,
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# Manual pages can be more or less anywhere, especially with "man -l", and
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# there's no harm in allowing wide read access here since the worst it can
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# do is feed data to the invoking man process.
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/** r,
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signal peer=/usr/bin/man,
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}
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