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https://github.com/SELinuxProject/selinux
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602347c742
Modify setfiles and restorecon to make use of the libselinux selinux_restorecon* set of functions. The output from these commands should be much the same as before with some minor wording changes, the only exceptions being that for setfiles(8) and restorecon(8) the following options have been added: 1) -I to ignore checking the directory digests. 2) -m to ignore reading /proc/mounts. These additional options are described in the updated man pages. Signed-off-by: Richard Haines <richard_c_haines@btinternet.com>
204 lines
6.1 KiB
Groff
204 lines
6.1 KiB
Groff
.TH "setfiles" "8" "10 June 2016" "" "SELinux User Command"
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.SH "NAME"
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setfiles \- set SELinux file security contexts.
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.SH "SYNOPSIS"
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.B setfiles
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.I [\-c policy] [\-d] [\-l] [\-m] [\-n] [\-e directory] [\-o filename] [\-p] [\-q] [\-s] [\-v] [\-W] [\-F] [\-I] spec_file pathname...
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.SH "DESCRIPTION"
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This manual page describes the
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.BR setfiles
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program.
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.P
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This program is primarily used to initialize the security context
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fields (extended attributes) on one or more filesystems (or parts of
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them). Usually it is initially run as part of the SELinux installation
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process (a step commonly known as labeling).
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.P
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It can also be run at any other time to correct inconsistent labels, to add
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support for newly-installed policy or, by using the \-n option, to passively
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check whether the file contexts are all set as specified by the active policy
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(default behavior) or by some other policy (see the \-c option).
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.P
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If a file object does not have a context, setfiles will write the default
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context to the file object's extended attributes. If a file object has a
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context, setfiles will only modify the type portion of the security context.
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The \-F option will force a replacement of the entire context.
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.SH "OPTIONS"
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.TP
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.B \-c
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check the validity of the contexts against the specified binary policy.
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.TP
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.B \-d
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show what specification matched each file (do not abort validation
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after ABORT_ON_ERRORS errors).
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.TP
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.B \-e directory
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directory to exclude (repeat option for more than one directory).
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.TP
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.B \-f
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take a list of files to be processed from an input file.
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.TP
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.B \-F
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Force reset of context to match file_context for customizable files, and the
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default file context, changing the user, role, range portion as well as the
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type.
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.TP
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.B \-h, \-?
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display usage information and exit.
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.TP
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.B \-i
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ignore files that do not exist.
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.TP
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.B \-I
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ignore digest to force checking of labels even if the stored SHA1 digest
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matches the specfiles SHA1 digest. The digest will then be updated provided
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there are no errors. See the
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.B NOTES
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section for further details.
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.TP
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.B \-l
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log changes in file labels to syslog.
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.TP
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.B \-m
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do not read
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.B /proc/mounts
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to obtain a list of non-seclabel mounts to be excluded from relabeling checks.
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Setting this option is useful where there is a non-seclabel fs mounted with a
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seclabel fs mounted on a directory below this.
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.TP
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.B \-n
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don't change any file labels (passive check).
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.TP
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.B \-o filename
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Deprecated, SELinux policy will probably block this access. Use shell redirection to save list of files with incorrect context in filename.
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.TP
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.B \-p
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show progress by printing * every STAR_COUNT files unless relabeling the entire
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OS, that will then show the approximate percentage complete. Note that the
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.B \-p
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and
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.B \-v
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options are mutually exclusive.
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.TP
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.B \-q
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Deprecated, was only used to stop printing inode association parameters.
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.TP
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.B \-r rootpath
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use an alternate root path. Used in meta-selinux for OpenEmbedded/Yocto builds
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to label files under
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.B rootpath
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as if they were at /
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.TP
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.B \-s
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take a list of files from standard input instead of using a pathname from the
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command line (equivalent to \-f \-).
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.TP
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.B \-v
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show changes in file labels and output any inode association parameters.
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Note that the
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.B \-v
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and
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.B \-p
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options are mutually exclusive.
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.TP
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.B \-W
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display warnings about entries that had no matching files by outputting the
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.BR selabel_stats (3)
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results.
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.TP
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.B \-0
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the separator for the input items is assumed to be the null character
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(instead of the white space). The quotes and the backslash characters are
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also treated as normal characters that can form valid input.
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This option finally also disables the end of file string, which is treated
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like any other argument. Useful when input items might contain white space,
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quote marks or backslashes. The
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.B -print0
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option of GNU
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.B find
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produces input suitable for this mode.
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.SH "ARGUMENTS"
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.B spec_file
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The specification file which contains lines of the following form
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.br
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.B regexp [ \-type ] ( context | <<none>> )
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.br
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The regular expression is anchored at both ends. The optional type field
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specifies the file type as shown in the mode field by the
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.B ls(1)
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program, e.g. \-\- to match only regular files or \-d to match only
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directories. The context can be an ordinary security context or the
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string <<none>> to specify that the file is not to have its context
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changed.
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.br
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The last matching specification is used. If there are multiple hard
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links to a file that match different specifications and those
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specifications indicate different security contexts, then a warning is
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displayed but the file is still labeled based on the last matching
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specification other than <<none>>.
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.TP
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.B pathname...
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The pathname for the root directory of each file system to be relabeled
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or a specific directory within a filesystem that should be recursively
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descended and relabeled or the pathname of a file that should be
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relabeled.
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Not used if the
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.B \-f
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or the
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.B \-s
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option is used.
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.SH "NOTES"
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.IP "1." 4
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.B setfiles
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follows symbolic links and operates recursively on directories.
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.IP "2." 4
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If the
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.B pathname
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specifies the root directory and the
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.B \-v
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option is set and the audit system is running, then an audit event is
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automatically logged stating that a "mass relabel" took place using the
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message label
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.BR FS_RELABEL .
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.IP "3." 4
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To improve performance when relabeling file systems recursively
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.B setfiles
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will write an SHA1 digest of the
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.B spec_file
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set to an extended attribute named
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.IR security.restorecon_last
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to the directory specified in each
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.B pathname...
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once the relabeling has been completed successfully. This digest will be
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checked should
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.B setfiles
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be rerun
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with the same
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.B spec_file
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and
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.B pathname
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parameters. See
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.BR selinux_restorecon (3)
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for further details.
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.sp
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The
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.B \-I
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option will ignore the SHA1 digest from each directory specified in
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.B pathname...
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and provided the
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.B \-n
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option is NOT set, files will be relabeled as required with the digest then
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being updated provided there are no errors.
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.SH "AUTHOR"
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This man page was written by Russell Coker <russell@coker.com.au>.
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The program was written by Stephen Smalley <sds@epoch.ncsc.mil>
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.SH "SEE ALSO"
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.BR restorecon (8),
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.BR load_policy (8),
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.BR checkpolicy (8)
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