1# $OpenBSD: try-ciphers.sh,v 1.26 2017/04/30 23:34:55 djm Exp $ 2# Placed in the Public Domain. 3 4tid="try ciphers" 5 6cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak 7 8for c in `${SSH} -Q cipher`; do 9 n=0 10 for m in `${SSH} -Q mac`; do 11 trace "cipher $c mac $m" 12 verbose "test $tid: cipher $c mac $m" 13 cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy 14 echo "Ciphers=$c" >> $OBJ/sshd_proxy 15 echo "MACs=$m" >> $OBJ/sshd_proxy 16 ${SSH} -F $OBJ/ssh_proxy -m $m -c $c somehost true 17 if [ $? -ne 0 ]; then 18 fail "ssh failed with mac $m cipher $c" 19 fi 20 # No point trying all MACs for AEAD ciphers since they 21 # are ignored. 22 if ${SSH} -Q cipher-auth | grep "^${c}\$" >/dev/null 2>&1 ; then 23 break 24 fi 25 n=`expr $n + 1` 26 done 27done 28 29