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-rw-r--r--regress/rekey.sh172
1 files changed, 172 insertions, 0 deletions
diff --git a/regress/rekey.sh b/regress/rekey.sh
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+++ b/regress/rekey.sh
@@ -0,0 +1,172 @@
+# $OpenBSD: rekey.sh,v 1.18 2018/04/10 00:14:10 djm Exp $
+# Placed in the Public Domain.
+
+tid="rekey"
+
+LOG=${TEST_SSH_LOGFILE}
+
+rm -f ${LOG}
+cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
+
+# Test rekeying based on data volume only.
+# Arguments will be passed to ssh.
+ssh_data_rekeying()
+{
+ _kexopt=$1 ; shift
+ _opts="$@"
+ if ! test -z "$_kexopts" ; then
+ cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
+ echo "$_kexopt" >> $OBJ/sshd_proxy
+ _opts="$_opts -o$_kexopt"
+ fi
+ rm -f ${COPY} ${LOG}
+ _opts="$_opts -oCompression=no"
+ ${SSH} <${DATA} $_opts -v -F $OBJ/ssh_proxy somehost "cat > ${COPY}"
+ if [ $? -ne 0 ]; then
+ fail "ssh failed ($@)"
+ fi
+ cmp ${DATA} ${COPY} || fail "corrupted copy ($@)"
+ n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
+ n=`expr $n - 1`
+ trace "$n rekeying(s)"
+ if [ $n -lt 1 ]; then
+ fail "no rekeying occurred ($@)"
+ fi
+}
+
+increase_datafile_size 300
+
+opts=""
+for i in `${SSH} -Q kex`; do
+ opts="$opts KexAlgorithms=$i"
+done
+for i in `${SSH} -Q cipher`; do
+ opts="$opts Ciphers=$i"
+done
+for i in `${SSH} -Q mac`; do
+ opts="$opts MACs=$i"
+done
+
+for opt in $opts; do
+ verbose "client rekey $opt"
+ ssh_data_rekeying "$opt" -oRekeyLimit=256k
+done
+
+# AEAD ciphers are magical so test with all KexAlgorithms
+if ${SSH} -Q cipher-auth | grep '^.*$' >/dev/null 2>&1 ; then
+ for c in `${SSH} -Q cipher-auth`; do
+ for kex in `${SSH} -Q kex`; do
+ verbose "client rekey $c $kex"
+ ssh_data_rekeying "KexAlgorithms=$kex" -oRekeyLimit=256k -oCiphers=$c
+ done
+ done
+fi
+
+for s in 16 1k 128k 256k; do
+ verbose "client rekeylimit ${s}"
+ ssh_data_rekeying "" -oCompression=no -oRekeyLimit=$s
+done
+
+for s in 5 10; do
+ verbose "client rekeylimit default ${s}"
+ rm -f ${COPY} ${LOG}
+ ${SSH} < ${DATA} -oCompression=no -oRekeyLimit="default $s" -F \
+ $OBJ/ssh_proxy somehost "cat >${COPY};sleep $s;sleep 3"
+ if [ $? -ne 0 ]; then
+ fail "ssh failed"
+ fi
+ cmp ${DATA} ${COPY} || fail "corrupted copy"
+ n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
+ n=`expr $n - 1`
+ trace "$n rekeying(s)"
+ if [ $n -lt 1 ]; then
+ fail "no rekeying occurred"
+ fi
+done
+
+for s in 5 10; do
+ verbose "client rekeylimit default ${s} no data"
+ rm -f ${COPY} ${LOG}
+ ${SSH} -oCompression=no -oRekeyLimit="default $s" -F \
+ $OBJ/ssh_proxy somehost "sleep $s;sleep 3"
+ if [ $? -ne 0 ]; then
+ fail "ssh failed"
+ fi
+ n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
+ n=`expr $n - 1`
+ trace "$n rekeying(s)"
+ if [ $n -lt 1 ]; then
+ fail "no rekeying occurred"
+ fi
+done
+
+for s in 16 1k 128k 256k; do
+ verbose "server rekeylimit ${s}"
+ cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
+ echo "rekeylimit ${s}" >>$OBJ/sshd_proxy
+ rm -f ${COPY} ${LOG}
+ ${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "cat ${DATA}" \
+ > ${COPY}
+ if [ $? -ne 0 ]; then
+ fail "ssh failed"
+ fi
+ cmp ${DATA} ${COPY} || fail "corrupted copy"
+ n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
+ n=`expr $n - 1`
+ trace "$n rekeying(s)"
+ if [ $n -lt 1 ]; then
+ fail "no rekeying occurred"
+ fi
+done
+
+for s in 5 10; do
+ verbose "server rekeylimit default ${s} no data"
+ cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
+ echo "rekeylimit default ${s}" >>$OBJ/sshd_proxy
+ rm -f ${COPY} ${LOG}
+ ${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "sleep $s;sleep 3"
+ if [ $? -ne 0 ]; then
+ fail "ssh failed"
+ fi
+ n=`grep 'NEWKEYS sent' ${LOG} | wc -l`
+ n=`expr $n - 1`
+ trace "$n rekeying(s)"
+ if [ $n -lt 1 ]; then
+ fail "no rekeying occurred"
+ fi
+done
+
+verbose "rekeylimit parsing"
+for size in 16 1k 1K 1m 1M 1g 1G 4G 8G; do
+ for time in 1 1m 1M 1h 1H 1d 1D 1w 1W; do
+ case $size in
+ 16) bytes=16 ;;
+ 1k|1K) bytes=1024 ;;
+ 1m|1M) bytes=1048576 ;;
+ 1g|1G) bytes=1073741824 ;;
+ 4g|4G) bytes=4294967296 ;;
+ 8g|8G) bytes=8589934592 ;;
+ esac
+ case $time in
+ 1) seconds=1 ;;
+ 1m|1M) seconds=60 ;;
+ 1h|1H) seconds=3600 ;;
+ 1d|1D) seconds=86400 ;;
+ 1w|1W) seconds=604800 ;;
+ esac
+
+ b=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \
+ awk '/rekeylimit/{print $2}'`
+ s=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \
+ awk '/rekeylimit/{print $3}'`
+
+ if [ "$bytes" != "$b" ]; then
+ fatal "rekeylimit size: expected $bytes bytes got $b"
+ fi
+ if [ "$seconds" != "$s" ]; then
+ fatal "rekeylimit time: expected $time seconds got $s"
+ fi
+ done
+done
+
+rm -f ${COPY} ${DATA}