173 lines
4.1 KiB
Bash
173 lines
4.1 KiB
Bash
# $OpenBSD: rekey.sh,v 1.18 2018/04/10 00:14:10 djm Exp $
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# Placed in the Public Domain.
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tid="rekey"
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LOG=${TEST_SSH_LOGFILE}
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rm -f ${LOG}
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cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
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# Test rekeying based on data volume only.
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# Arguments will be passed to ssh.
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ssh_data_rekeying()
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{
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_kexopt=$1 ; shift
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_opts="$@"
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if ! test -z "$_kexopts" ; then
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cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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echo "$_kexopt" >> $OBJ/sshd_proxy
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_opts="$_opts -o$_kexopt"
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fi
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rm -f ${COPY} ${LOG}
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_opts="$_opts -oCompression=no"
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${SSH} <${DATA} $_opts -v -F $OBJ/ssh_proxy somehost "cat > ${COPY}"
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if [ $? -ne 0 ]; then
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fail "ssh failed ($@)"
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fi
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cmp ${DATA} ${COPY} || fail "corrupted copy ($@)"
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n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
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n=`expr $n - 1`
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trace "$n rekeying(s)"
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if [ $n -lt 1 ]; then
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fail "no rekeying occurred ($@)"
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fi
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}
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increase_datafile_size 300
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opts=""
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for i in `${SSH} -Q kex`; do
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opts="$opts KexAlgorithms=$i"
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done
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for i in `${SSH} -Q cipher`; do
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opts="$opts Ciphers=$i"
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done
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for i in `${SSH} -Q mac`; do
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opts="$opts MACs=$i"
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done
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for opt in $opts; do
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verbose "client rekey $opt"
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ssh_data_rekeying "$opt" -oRekeyLimit=256k
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done
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# AEAD ciphers are magical so test with all KexAlgorithms
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if ${SSH} -Q cipher-auth | grep '^.*$' >/dev/null 2>&1 ; then
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for c in `${SSH} -Q cipher-auth`; do
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for kex in `${SSH} -Q kex`; do
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verbose "client rekey $c $kex"
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ssh_data_rekeying "KexAlgorithms=$kex" -oRekeyLimit=256k -oCiphers=$c
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done
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done
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fi
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for s in 16 1k 128k 256k; do
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verbose "client rekeylimit ${s}"
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ssh_data_rekeying "" -oCompression=no -oRekeyLimit=$s
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done
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for s in 5 10; do
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verbose "client rekeylimit default ${s}"
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rm -f ${COPY} ${LOG}
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${SSH} < ${DATA} -oCompression=no -oRekeyLimit="default $s" -F \
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$OBJ/ssh_proxy somehost "cat >${COPY};sleep $s;sleep 3"
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if [ $? -ne 0 ]; then
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fail "ssh failed"
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fi
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cmp ${DATA} ${COPY} || fail "corrupted copy"
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n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
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n=`expr $n - 1`
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trace "$n rekeying(s)"
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if [ $n -lt 1 ]; then
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fail "no rekeying occurred"
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fi
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done
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for s in 5 10; do
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verbose "client rekeylimit default ${s} no data"
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rm -f ${COPY} ${LOG}
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${SSH} -oCompression=no -oRekeyLimit="default $s" -F \
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$OBJ/ssh_proxy somehost "sleep $s;sleep 3"
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if [ $? -ne 0 ]; then
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fail "ssh failed"
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fi
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n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
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n=`expr $n - 1`
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trace "$n rekeying(s)"
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if [ $n -lt 1 ]; then
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fail "no rekeying occurred"
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fi
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done
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for s in 16 1k 128k 256k; do
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verbose "server rekeylimit ${s}"
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cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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echo "rekeylimit ${s}" >>$OBJ/sshd_proxy
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rm -f ${COPY} ${LOG}
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${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "cat ${DATA}" \
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> ${COPY}
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if [ $? -ne 0 ]; then
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fail "ssh failed"
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fi
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cmp ${DATA} ${COPY} || fail "corrupted copy"
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n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
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n=`expr $n - 1`
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trace "$n rekeying(s)"
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if [ $n -lt 1 ]; then
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fail "no rekeying occurred"
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fi
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done
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for s in 5 10; do
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verbose "server rekeylimit default ${s} no data"
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cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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echo "rekeylimit default ${s}" >>$OBJ/sshd_proxy
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rm -f ${COPY} ${LOG}
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${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "sleep $s;sleep 3"
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if [ $? -ne 0 ]; then
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fail "ssh failed"
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fi
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n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
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n=`expr $n - 1`
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trace "$n rekeying(s)"
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if [ $n -lt 1 ]; then
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fail "no rekeying occurred"
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fi
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done
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verbose "rekeylimit parsing"
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for size in 16 1k 1K 1m 1M 1g 1G 4G 8G; do
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for time in 1 1m 1M 1h 1H 1d 1D 1w 1W; do
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case $size in
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16) bytes=16 ;;
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1k|1K) bytes=1024 ;;
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1m|1M) bytes=1048576 ;;
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1g|1G) bytes=1073741824 ;;
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4g|4G) bytes=4294967296 ;;
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8g|8G) bytes=8589934592 ;;
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esac
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case $time in
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1) seconds=1 ;;
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1m|1M) seconds=60 ;;
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1h|1H) seconds=3600 ;;
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1d|1D) seconds=86400 ;;
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1w|1W) seconds=604800 ;;
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esac
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b=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \
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awk '/rekeylimit/{print $2}'`
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s=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \
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awk '/rekeylimit/{print $3}'`
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if [ "$bytes" != "$b" ]; then
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fatal "rekeylimit size: expected $bytes bytes got $b"
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fi
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if [ "$seconds" != "$s" ]; then
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fatal "rekeylimit time: expected $time seconds got $s"
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fi
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done
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done
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rm -f ${COPY} ${DATA}
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