155 lines
4.8 KiB
Groff
155 lines
4.8 KiB
Groff
.TH SEMODULE "8" "Nov 2005" "Security Enhanced Linux" NSA
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.SH NAME
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semodule \- Manage SELinux policy modules.
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.SH SYNOPSIS
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.B semodule [option]... MODE...
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.br
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.SH DESCRIPTION
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.PP
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semodule is the tool used to manage SELinux policy modules,
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including installing, upgrading, listing and removing modules.
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semodule may also be used to force a rebuild of policy from the
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module store and/or to force a reload of policy without performing
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any other transaction. semodule acts on module packages created
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by semodule_package. Conventionally, these files have a .pp suffix
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(policy package), although this is not mandated in any way.
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.SH "MODES"
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.TP
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.B \-R, \-\-reload
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force a reload of policy
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.TP
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.B \-B, \-\-build
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force a rebuild of policy (also reloads unless \-n is used)
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.TP
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.B \-\-refresh
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Like \-\-build, but reuses existing linked policy if no changes to module
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files are detected (by comparing with checksum from the last transaction).
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One can use this instead of \-B to ensure that any changes to the module
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store done by an external tool (e.g. a package manager) are applied, while
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automatically skipping the module re-linking if there are no module changes.
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.TP
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.B \-D, \-\-disable_dontaudit
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Temporarily remove dontaudits from policy. Reverts whenever policy is rebuilt
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.TP
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.B \-i,\-\-install=MODULE_PKG
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install/replace a module package
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.TP
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.B \-u,\-\-upgrade=MODULE_PKG
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deprecated, alias for --install
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.TP
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.B \-b,\-\-base=MODULE_PKG
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deprecated, alias for --install
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.TP
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.B \-r,\-\-remove=MODULE_NAME
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remove existing module at desired priority (defaults to -X 400)
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.TP
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.B \-l[KIND],\-\-list-modules[=KIND]
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display list of installed modules (other than base)
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.TP
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.B KIND:
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.TP
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standard
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list highest priority, enabled, non-base modules
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.TP
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full
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list all modules
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.TP
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.B \-X,\-\-priority=PRIORITY
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set priority for following operations (1-999)
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.TP
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.B \-e,\-\-enable=MODULE_NAME
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enable module
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.TP
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.B \-d,\-\-disable=MODULE_NAME
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disable module
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.TP
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.B \-E,\-\-extract=MODULE_PKG
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Extract a module from the store as an HLL or CIL file to the current directory.
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A module is extracted as HLL by default. The name of the module written is
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<module-name>.<lang_ext>
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.SH "OPTIONS"
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.TP
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.B \-s,\-\-store
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name of the store to operate on
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.TP
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.B \-n,\-\-noreload,\-N
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do not reload policy after commit
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.TP
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.B \-h,\-\-help
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prints help message and quit
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.TP
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.B \-P,\-\-preserve_tunables
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Preserve tunables in policy
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.TP
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.B \-C,\-\-ignore-module-cache
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Recompile CIL modules built from HLL files
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.TP
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.B \-p,\-\-path
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Use an alternate path for the policy root
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.TP
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.B \-S,\-\-store-path
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Use an alternate path for the policy store root
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.TP
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.B \-v,\-\-verbose
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be verbose
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.TP
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.B \-c,\-\-cil
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Extract module as a CIL file. This only affects the \-\-extract option and
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only modules listed in \-\-extract after this option.
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.TP
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.B \-H,\-\-hll
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Extract module as an HLL file. This only affects the \-\-extract option and
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only modules listed in \-\-extract after this option.
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.TP
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.B \-m,\-\-checksum
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Add SHA256 checksum of modules to the list output.
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.SH EXAMPLE
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.nf
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# Install or replace a base policy package.
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$ semodule \-b base.pp
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# Install or replace a non-base policy package.
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$ semodule \-i httpd.pp
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# Install or replace all non-base modules in the current directory.
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# This syntax can be used with -i/u/r/E, but no other option can be entered after the module names
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$ semodule \-i *.pp
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# Install or replace all modules in the current directory.
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$ ls *.pp | grep \-Ev "base.pp|enableaudit.pp" | xargs /usr/sbin/semodule \-b base.pp \-i
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# List non-base modules.
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$ semodule \-l
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# List all modules including priorities
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$ semodule \-lfull
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# Remove a module at priority 100
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$ semodule \-X 100 \-r wireshark
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# Turn on all AVC Messages for which SELinux currently is "dontaudit"ing.
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$ semodule \-DB
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# Turn "dontaudit" rules back on.
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$ semodule \-B
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# Disable a module (all instances of given module across priorities will be disabled).
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$ semodule \-d alsa
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# Install a module at a specific priority.
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$ semodule \-X 100 \-i alsa.pp
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# List all modules.
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$ semodule \-\-list=full
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# Set an alternate path for the policy root
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$ semodule \-B \-p "/tmp"
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# Set an alternate path for the policy store root
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$ semodule \-B \-S "/tmp/var/lib/selinux"
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# Write the HLL version of puppet and the CIL version of wireshark
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# modules at priority 400 to the current working directory
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$ semodule \-X 400 \-\-hll \-E puppet \-\-cil \-E wireshark
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# Check whether a module in "localmodule.pp" file is same as installed module "localmodule"
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$ /usr/libexec/selinux/hll/pp localmodule.pp | sha256sum
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$ semodule -l -m | grep localmodule
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.fi
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.SH SEE ALSO
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.BR checkmodule (8),
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.BR semodule_package (8)
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.SH AUTHORS
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.nf
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This manual page was written by Dan Walsh <dwalsh@redhat.com>.
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The program was written by Karl MacMillan <kmacmillan@tresys.com>, Joshua Brindle <jbrindle@tresys.com>, Jason Tang <jtang@tresys.com>
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