1263635Sdes# $OpenBSD: dhgex.sh,v 1.1 2014/01/25 04:35:32 dtucker Exp $ 2263635Sdes# Placed in the Public Domain. 3263635Sdes 4263635Sdestid="dhgex" 5263635Sdes 6263635SdesLOG=${TEST_SSH_LOGFILE} 7263635Sdesrm -f ${LOG} 8263635Sdes 9263635Sdeskexs=`${SSH} -Q kex | grep diffie-hellman-group-exchange` 10263635Sdes 11263635Sdesssh_test_dhgex() 12263635Sdes{ 13263635Sdes bits="$1"; shift 14263635Sdes cipher="$1"; shift 15263635Sdes kex="$1"; shift 16263635Sdes 17263635Sdes rm -f ${LOG} 18263635Sdes opts="-oKexAlgorithms=$kex -oCiphers=$cipher" 19263635Sdes groupsz="1024<$bits<8192" 20263635Sdes verbose "$tid bits $bits $kex $cipher" 21263635Sdes ${SSH} ${opts} $@ -vvv -F ${OBJ}/ssh_proxy somehost true 22263635Sdes if [ $? -ne 0 ]; then 23263635Sdes fail "ssh failed ($@)" 24263635Sdes fi 25263635Sdes # check what we request 26263635Sdes grep "SSH2_MSG_KEX_DH_GEX_REQUEST($groupsz) sent" ${LOG} >/dev/null 27263635Sdes if [ $? != 0 ]; then 28263635Sdes got=`egrep "SSH2_MSG_KEX_DH_GEX_REQUEST(.*) sent" ${LOG}` 29263635Sdes fail "$tid unexpected GEX sizes, expected $groupsz, got $got" 30263635Sdes fi 31263635Sdes # check what we got (depends on contents of system moduli file) 32263635Sdes gotbits="`awk '/bits set:/{print $4}' ${LOG} | head -1 | cut -f2 -d/`" 33263635Sdes if [ "$gotbits" -lt "$bits" ]; then 34263635Sdes fatal "$tid expected $bits bit group, got $gotbits" 35263635Sdes fi 36263635Sdes} 37263635Sdes 38263635Sdescheck() 39263635Sdes{ 40263635Sdes bits="$1"; shift 41263635Sdes 42263635Sdes for c in $@; do 43263635Sdes for k in $kexs; do 44263635Sdes ssh_test_dhgex $bits $c $k 45263635Sdes done 46263635Sdes done 47263635Sdes} 48263635Sdes 49263635Sdes#check 2048 3des-cbc 50263635Sdescheck 3072 `${SSH} -Q cipher | grep 128` 51263635Sdescheck 3072 arcfour blowfish-cbc 52263635Sdescheck 7680 `${SSH} -Q cipher | grep 192` 53263635Sdescheck 8192 `${SSH} -Q cipher | grep 256` 54263635Sdescheck 8192 rijndael-cbc@lysator.liu.se chacha20-poly1305@openssh.com 55