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authorhenning mueller2015-07-05 20:34:07 +0200
committerhenning mueller2015-07-05 20:34:07 +0200
commite00fdcff69e11f6f9627036c5ecee9f562630fe9 (patch)
treed23f48eba04d7bfceab37a6427e8b1f5721cd77e
parentd61366fc81ce7a82a4eeaccb0482f25bbd9a2260 (diff)
downloadaur-e00fdcff69e11f6f9627036c5ecee9f562630fe9.tar.gz
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+linux-pax-flags(8) System Manager's Manual linux-pax-flags(8)
+
+
+
+NAME
+ linux-pax-flags - Configure PaX flags for several binaries
+
+SYNOPSIS
+ linux-pax-flags [options] [filter]
+
+DESCRIPTION
+ linux-pax-flags is written to configure PaX flags for a set of bina‐
+ ries. It is intended to ease the usage of PaX (linux-pax) or grsecu‐
+ rity (linux-grsec, linux-grsec-lts) enabled kernel on Arch Linux.
+
+ PaX flags for a set of binaries are collected in YAML format configura‐
+ tion files. By default, every .conf file from /etc/pax-flags and
+ /usr/share/linux-pax-flags is read. See the CONFIGURATION section for
+ the file format.
+
+ Root privileges are needed. If you set a value to $PAX_FLAGS_SUDO,
+ linux-pax-flags will be called with sudo.
+
+OPTIONS
+ -c, --config <path>
+ Override default configuration paths. Requires one path argu‐
+ ment. Can contain globs (escape them in some shells (zsh for
+ example)).
+
+ -h, --help
+ Displays a short usage message and option summary.
+
+ -p, --prepend
+ Do not actually change anything.
+
+ -x, --xattr
+ Sets the PaX flags through setfattr, underlying filesystems need
+ xattr support.
+
+ -y, --yes
+ Non-interactive mode. Assume yes on any question.
+
+FILES
+ /etc/pax-flags/*.conf
+ Files for overriding the standard flag set and path pattern con‐
+ figuration.
+
+ /usr/share/linux-pax-flags/*.conf
+ The shipped configuration.
+
+CONFIGURATION
+ There are simple configuration entries and complex ones. Complex con‐
+ figuration for a certain flag set and path pattern overrides simple. To
+ override a simple entry with a complex one, the flag sets and path pat‐
+ terns have to match exactly.
+
+ Simple entries
+ Simple configuration entries just set the PaX flags for a set of bina‐
+ ries. The format is as follows:
+
+ PSmXER:
+ - /usr/bin/ruby
+ - /usr/bin/glx*
+
+ PSmXER is the set of flags. Every letter represents a PaX flag. Upper‐
+ case enables the flag, lowercase disables it. See paxctl(1) for more
+ details. This example disables MPROTECT on /usr/bin/ruby and
+ /usr/bin/glx*.
+
+ Complex entries
+ With complex entries it is possible to stop a daemon before setting the
+ flags and starting it afterwards. The format is as follows:
+
+ PSmXER:
+ - /usr/sbin/clamd:
+ type: systemd
+
+ This would stop clamd, disable MPROTECT for the binary and start the
+ daemon again. The type option values correspond to presets of status,
+ start, stop actions. Currently there exists only "systemd". By default
+ the systemd unit file would be "clamd" in this case or the basename of
+ the path in general.
+
+ PSmXEr:
+ - /usr/lib/polkit-1/polkitd:
+ type: systemd
+ systemd_name: polkit
+
+ The systemd_name option can be used to configure a differing systemd
+ unit name.
+
+ PSmXEr:
+ - /usr/lib/firefox/firefox:
+ status: "pidof firefox"
+ start: "firefox &"
+ stop: "killall firefox"
+
+ This would configure custom actions for status, start and stop.
+
+ PSmXER:
+ - /usr/bin/ruby:
+ skip: true
+
+ This would override a simple entry for the same flag set and path pat‐
+ tern and cause it to be skipped.
+
+ PSmXER:
+ - /usr/lib32/skype/skype:
+ header: create
+
+ This would cause paxctl to not convert the old binary header, but cre‐
+ ate a new one. See paxctl(1) for more details.
+
+AUTHOR
+ henning mueller <henning@orgizm.net>
+
+SEE ALSO
+ - paxctl(1)
+ - http://www.yaml.org
+
+
+
+2013-02-18 linux-pax-flags(8)