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