| #!/bin/sh |
| RC=0 |
| test_file="/tmp/smack_socket_udp" |
| SMACK_PATH=`grep smack /proc/mounts | awk '{print $2}' ` |
| |
| udp_server=`which udp_server` |
| if [ -z $udp_server ]; then |
| if [ -f "/tmp/udp_server" ]; then |
| udp_server="/tmp/udp_server" |
| else |
| echo "udp_server binary not found" |
| exit 1 |
| fi |
| fi |
| udp_client=`which udp_client` |
| if [ -z $udp_client ]; then |
| if [ -f "/tmp/udp_client" ]; then |
| udp_client="/tmp/udp_client" |
| else |
| echo "udp_client binary not found" |
| exit 1 |
| fi |
| fi |
| |
| # make sure no access is granted |
| # 12345678901234567890123456789012345678901234567890123456 |
| echo -n "label1 label2 -----" > $SMACK_PATH/load |
| |
| # checking access for sockets with different labels |
| $udp_server 50021 label2 2>$test_file & |
| server_pid=$! |
| sleep 1 |
| $udp_client 50021 label1 2>$test_file & |
| client_pid=$! |
| wait $server_pid |
| server_rv=$? |
| wait $client_pid |
| client_rv=$? |
| if [ $server_rv -eq 0 ]; then |
| echo "Sockets with different labels should not communicate on udp" |
| 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 |
| $udp_server 50022 label2 2>$test_file & |
| server_pid=$! |
| sleep 1 |
| $udp_client 50022 label1 2>$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 udp" |
| exit 1 |
| fi |
| |
| # checking access for sockets with the same label |
| $udp_server 50023 label1 & |
| server_pid=$! |
| sleep 1 |
| $udp_client 50023 label1 2>$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 udp" |
| exit 1 |
| fi |
| |
| # checking access on socket labeled star (*) |
| # should always be permitted |
| $udp_server 50024 \* 2>$test_file & |
| server_pid=$! |
| sleep 1 |
| $udp_client 50024 label1 2>$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 udp socket labeled star (*)" |
| exit 1 |
| fi |
| |
| # checking access from socket labeled star (*) |
| # all access from subject star should be denied |
| $udp_server 50025 label1 2>$test_file & |
| server_pid=$! |
| sleep 1 |
| $udp_client 50025 \* 2>$test_file & |
| client_pid=$! |
| wait $server_pid |
| server_rv=$? |
| wait $client_pid |
| client_rv=$? |
| if [ $server_rv -eq 0 ]; then |
| echo "Socket labeled star should not have access to any udp socket" |
| exit 1 |
| fi |