From 7d7414921d8fd46990a8a9b0d16f0ddafc847221 Mon Sep 17 00:00:00 2001
From: Lukas Vrabec <lvrabec@redhat.com>
Date: Sun, 16 Dec 2018 21:31:04 +0100
Subject: [PATCH] Add macro-expander script to selinux-policy-devel package

---
 macro-expander.sh   | 81 +++++++++++++++++++++++++++++++++++++++++++++
 selinux-policy.spec |  4 +++
 2 files changed, 85 insertions(+)
 create mode 100755 macro-expander.sh

diff --git a/macro-expander.sh b/macro-expander.sh
new file mode 100755
index 00000000..61bd347b
--- /dev/null
+++ b/macro-expander.sh
@@ -0,0 +1,81 @@
+#!/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
+
+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" -o "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
+cleanup
diff --git a/selinux-policy.spec b/selinux-policy.spec
index 138d7945..02c2d637 100644
--- a/selinux-policy.spec
+++ b/selinux-policy.spec
@@ -57,6 +57,7 @@ Source26: file_contexts.subs_dist
 Source27: selinux-policy.conf
 Source28: permissivedomains.cil
 Source30: booleans.subs_dist
+Source33: macro-expander
 
 Source35: container-selinux.tgz
 
@@ -134,6 +135,7 @@ Requires(post): policycoreutils-devel >= %{POLICYCOREUTILSVER}
 SELinux policy development and man page package
 
 %files devel
+%{_bindir}/macro-expander
 %dir %{_usr}/share/selinux/devel
 %dir %{_usr}/share/selinux/devel/include
 %{_usr}/share/selinux/devel/include/*
@@ -363,6 +365,8 @@ touch %{buildroot}%{_sysconfdir}/selinux/config
 touch %{buildroot}%{_sysconfdir}/sysconfig/selinux
 mkdir -p %{buildroot}%{_usr}/lib/tmpfiles.d/
 cp %{SOURCE27} %{buildroot}%{_usr}/lib/tmpfiles.d/
+mkdir -p %{buildroot}%{_bindir}
+cp %{SOURCE33} %{buildroot}%{_bindir}/
 
 # Always create policy module package directories
 mkdir -p %{buildroot}%{_usr}/share/selinux/{targeted,mls,minimum,modules}/