Initial commit

meta-security/recipes-mac/smack/tcp-smack-test/test_smack_tcp_sockets.sh

@@ -0,0 +1,108 @@
+#!/bin/sh
+RC=0
+test_file=/tmp/smack_socket_tcp
+SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' `
+# make sure no access is granted
+#        12345678901234567890123456789012345678901234567890123456
+echo -n "label1                  label2                  -----" > $SMACK_PATH/load
+
+tcp_server=`which tcp_server`
+if [ -z $tcp_server ]; then
+	if [ -f "/tmp/tcp_server" ]; then
+		tcp_server="/tmp/tcp_server"
+	else
+		echo "tcp_server binary not found"
+		exit 1
+	fi
+fi
+tcp_client=`which tcp_client`
+if [ -z $tcp_client ]; then
+	if [ -f "/tmp/tcp_client" ]; then
+		tcp_client="/tmp/tcp_client"
+	else
+		echo "tcp_client binary not found"
+		exit 1
+	fi
+fi
+
+# checking access for sockets with different labels
+$tcp_server 50016 label1 &>/dev/null &
+server_pid=$!
+sleep 2
+$tcp_client 50016 label2 label1 &>/dev/null &
+client_pid=$!
+
+wait $server_pid
+server_rv=$?
+wait $client_pid
+client_rv=$?
+
+if [ $server_rv -eq 0 -o $client_rv -eq 0 ]; then
+	echo "Sockets with different labels should not communicate on tcp"
+	exit 1
+fi
+
+# granting access between different labels
+#        12345678901234567890123456789012345678901234567890123456
+echo -n "label1                  label2                  rw---" > $SMACK_PATH/load
+# checking access for sockets with different labels, but having a rule granting rw
+$tcp_server 50017 label1 2>$test_file &
+server_pid=$!
+sleep 1
+$tcp_client 50017 label2 label1 2>$test_file &
+client_pid=$!
+wait $server_pid
+server_rv=$?
+wait $client_pid
+client_rv=$?
+if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
+	echo "Sockets with different labels, but having rw access, should communicate on tcp"
+	exit 1
+fi
+
+# checking access for sockets with the same label
+$tcp_server 50018 label1 2>$test_file &
+server_pid=$!
+sleep 1
+$tcp_client 50018 label1 label1  2>$test_file &
+client_pid=$!
+wait $server_pid
+server_rv=$?
+wait $client_pid
+client_rv=$?
+if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
+	echo "Sockets with same labels should communicate on tcp"
+	exit 1
+fi
+
+# checking access on socket labeled star (*)
+# should always be permitted
+$tcp_server 50019 \* 2>$test_file &
+server_pid=$!
+sleep 1
+$tcp_client 50019 label1 label1 2>$test_file &
+client_pid=$!
+wait $server_pid
+server_rv=$?
+wait $client_pid
+client_rv=$?
+if [ $server_rv -ne 0 -o $client_rv -ne 0 ]; then
+	echo "Should have access on tcp socket labeled star (*)"
+	exit 1
+fi
+
+# checking access from socket labeled star (*)
+# all access from subject star should be denied
+$tcp_server 50020 label1 2>$test_file &
+server_pid=$!
+sleep 1
+$tcp_client 50020 label1 \* 2>$test_file &
+client_pid=$!
+wait $server_pid
+server_rv=$?
+wait $client_pid
+client_rv=$?
+if [ $server_rv -eq 0 -o  $client_rv -eq 0 ]; then
+	echo "Socket labeled star should not have access to any tcp socket"
+	exit 1
+fi