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policycoreutils/semodule: Improve man page and unify it with --help

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Unify the way parameters are described in man pages and --help message.
Explain special syntax allowing the user to specify multiple modules when using
-i/u/r/E mods.
Point out that priority has to be specified in order to remove module at
different priority than 400 and that "-d" disables all instances of
given module across priorities.

Resolves: rhbz#1320565, rhbz#1337192

Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
This commit is contained in:
Vit Mojzis 2018-03-13 09:12:37 +01:00 committed by stephensmalley
parent c99739a6aa
commit a0c4e64238
2 changed files with 24 additions and 18 deletions
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34
policycoreutils/semodule/semodule.8
View File

@ -3,7 +3,7 @@
semodule \- Manage SELinux policy modules.
.SH SYNOPSIS
.B semodule [options]... MODE [MODES]...
.B semodule [option]... MODE...
.br
.SH DESCRIPTION
.PP
@ -15,7 +15,7 @@ any other transaction. semodule acts on module packages created
by semodule_package. Conventionally, these files have a .pp suffix
(policy package), although this is not mandated in any way.
.SH "OPTIONS"
.SH "MODES"
.TP
.B \-R, \-\-reload
force a reload of policy
@ -36,16 +36,11 @@ deprecated, alias for --install
deprecated, alias for --install
.TP
.B \-r,\-\-remove=MODULE_NAME
remove existing module
remove existing module at desired priority (defaults to -X 400)
.TP
.B \-l[KIND],\-\-list-modules[=KIND]
display list of installed modules (other than base)
.TP
.B \-E,\-\-extract=MODULE_PKG
Extract a module from the store as an HLL or CIL file to the current directory.
A module is extracted as HLL by default. The name of the module written is
<module-name>.<lang_ext>
.TP
.B KIND:
.TP
standard
@ -57,12 +52,18 @@ list all modules
.B \-X,\-\-priority=PRIORITY
set priority for following operations (1-999)
.TP
.B \-e,\-\-enabled=MODULE_NAME
.B \-e,\-\-enable=MODULE_NAME
enable module
.TP
.B \-d,\-\-disable=MODULE_NAME
disable module
.TP
.B \-E,\-\-extract=MODULE_PKG
Extract a module from the store as an HLL or CIL file to the current directory.
A module is extracted as HLL by default. The name of the module written is
<module-name>.<lang_ext>
.SH "OPTIONS"
.TP
.B \-s,\-\-store
name of the store to operate on
.TP
@ -101,17 +102,22 @@ only modules listed in \-\-extract after this option.
$ semodule \-b base.pp
# Install or replace a non-base policy package.
$ semodule \-i httpd.pp
# Install or replace all non-base modules in the current directory.
# This syntax can be used with -i/u/r/E, but no other option can be entered after the module names
$ semodule \-i *.pp
# Install or replace all modules in the current directory.
$ ls *.pp | grep \-Ev "base.pp|enableaudit.pp" | xargs /usr/sbin/semodule \-b base.pp \-i
# List non-base modules.
$ semodule \-l
# List all modules including priorities
$ semodule \-lfull
# Remove a module at priority 100
$ semodule \-X 100 \-r wireshark
# Turn on all AVC Messages for which SELinux currently is "dontaudit"ing.
$ semodule \-DB
# Turn "dontaudit" rules back on.
$ semodule \-B
# Install or replace all non-base modules in the current directory.
$ semodule \-i *.pp
# Install or replace all modules in the current directory.
$ ls *.pp | grep \-Ev "base.pp|enableaudit.pp" | xargs /usr/sbin/semodule \-b base.pp \-i
# Disable a module.
# Disable a module (all instances of given module across priorities will be disabled).
$ semodule \-d alsa
# Install a module at a specific priority.
$ semodule \-X 100 \-i alsa.pp

8
policycoreutils/semodule/semodule.c
View File

@ -120,13 +120,14 @@ static void create_signal_handlers(void)
static void usage(char *progname)
{
printf("usage: %s [options]... MODE [MODES]...\n", progname);
printf("usage: %s [option]... MODE...\n", progname);
printf("Manage SELinux policy modules.\n");
printf("MODES:\n");
printf(" -R, --reload reload policy\n");
printf(" -B, --build build and reload policy\n");
printf(" -D,--disable_dontaudit Remove dontaudits from policy\n");
printf(" -i,--install=MODULE_PKG install a new module\n");
printf(" -r,--remove=MODULE_NAME remove existing module\n");
printf(" -r,--remove=MODULE_NAME remove existing module at desired priority\n");
printf(" -l[KIND],--list-modules[=KIND] display list of installed modules\n");
printf(" KIND: standard list highest priority, enabled modules\n");
printf(" full list all modules\n");
@ -134,12 +135,11 @@ static void usage(char *progname)
printf(" -e,--enable=MODULE_NAME enable module\n");
printf(" -d,--disable=MODULE_NAME disable module\n");
printf(" -E,--extract=MODULE_NAME extract module\n");
printf("Other options:\n");
printf("Options:\n");
printf(" -s,--store name of the store to operate on\n");
printf(" -N,-n,--noreload do not reload policy after commit\n");
printf(" -h,--help print this message and quit\n");
printf(" -v,--verbose be verbose\n");
printf(" -D,--disable_dontaudit Remove dontaudits from policy\n");
printf(" -P,--preserve_tunables Preserve tunables in policy\n");
printf(" -C,--ignore-module-cache Rebuild CIL modules compiled from HLL files\n");
printf(" -p,--path use an alternate path for the policy root\n");