selinux-policy/SOURCES/macro-expander
2021-09-10 04:23:51 +00:00

82 lines
2.3 KiB
Bash

#!/bin/bash
function usage {
echo "Usage: $0 [ -c | -t [ -M ] ] <macro>"
echo "Options:
-c generate CIL output
-t generate standard policy source format (.te) allow rules - this is default
-M generate complete module .te output
"
}
function cleanup {
rm -rf $TEMP_STORE
}
while getopts "chMt" opt; do
case $opt in
c) GENCIL=1
;;
t) GENTE=1
;;
M) GENTEMODULE=1
;;
h) usage
exit 0
;;
\?) usage
exit 1
;;
esac
done
shift $((OPTIND-1))
SELINUX_MACRO=$1
if [ -z "$SELINUX_MACRO" ]
then
exit 1
fi
TEMP_STORE="$(mktemp -d)"
cd $TEMP_STORE || exit 1
IFS="("
set $1
SELINUX_DOMAIN="${2::-1}"
echo -e "policy_module(expander, 1.0.0) \n" \
"gen_require(\`\n" \
"type $SELINUX_DOMAIN ; \n" \
"')" > expander.te
echo "$SELINUX_MACRO" >> expander.te
make -f /usr/share/selinux/devel/Makefile tmp/all_interfaces.conf &> /dev/null
if [ "x$GENCIL" = "x1" ]; then
make -f /usr/share/selinux/devel/Makefile expander.pp &> /dev/null
MAKE_RESULT=$?
if [ $MAKE_RESULT -ne 2 ]
then
/usr/libexec/selinux/hll/pp < $TEMP_STORE/expander.pp > $TEMP_STORE/expander.cil 2> /dev/null
grep -v "cil_gen_require" $TEMP_STORE/expander.cil | sort -u
fi
fi
if [ "$GENTE" = "1" ] || [ "x$GENCIL" != "x1" ]; then
m4 -D enable_mcs -D distro_redhat -D hide_broken_symptoms -D mls_num_sens=16 -D mls_num_cats=1024 -D mcs_num_cats=1024 -s /usr/share/selinux/devel/include/support/file_patterns.spt /usr/share/selinux/devel/include/support/ipc_patterns.spt /usr/share/selinux/devel/include/support/obj_perm_sets.spt /usr/share/selinux/devel/include/support/misc_patterns.spt /usr/share/selinux/devel/include/support/misc_macros.spt /usr/share/selinux/devel/include/support/all_perms.spt /usr/share/selinux/devel/include/support/mls_mcs_macros.spt /usr/share/selinux/devel/include/support/loadable_module.spt tmp/all_interfaces.conf expander.te > expander.tmp 2> /dev/null
if [ "x$GENTEMODULE" = "x1" ]; then
# sed '/^#.*$/d;/^\s*$/d;/^\s*class .*/d;/^\s*category .*/d;s/^\s*//' expander.tmp
sed '/^#.*$/d;/^\s*$/d;/^\s*category .*/d;s/^\s*//' expander.tmp
else
grep '^\s*allow' expander.tmp | sed 's/^\s*//'
fi
fi
cd - > /dev/null || exit 1
cleanup