1# $OpenBSD: forwarding.sh,v 1.5 2005/03/10 10:20:39 dtucker Exp $ 2# Placed in the Public Domain. 3 4tid="local and remote forwarding" 5DATA=/bin/ls${EXEEXT} 6 7start_sshd 8 9base=33 10last=$PORT 11fwd="" 12for j in 0 1 2; do 13 for i in 0 1 2; do 14 a=$base$j$i 15 b=`expr $a + 50` 16 c=$last 17 # fwd chain: $a -> $b -> $c 18 fwd="$fwd -L$a:127.0.0.1:$b -R$b:127.0.0.1:$c" 19 last=$a 20 done 21done 22for p in 1 2; do 23 q=`expr 3 - $p` 24 trace "start forwarding, fork to background" 25 ${SSH} -$p -F $OBJ/ssh_config -f $fwd somehost sleep 10 26 27 trace "transfer over forwarded channels and check result" 28 ${SSH} -$q -F $OBJ/ssh_config -p$last -o 'ConnectionAttempts=4' \ 29 somehost cat $DATA > $OBJ/ls.copy 30 test -f $OBJ/ls.copy || fail "failed copy $DATA" 31 cmp $DATA $OBJ/ls.copy || fail "corrupted copy of $DATA" 32 33 sleep 10 34done 35 36for p in 1 2; do 37 trace "simple clear forwarding proto $p" 38 ${SSH} -$p -F $OBJ/ssh_config -oClearAllForwardings=yes somehost true 39 40 trace "clear local forward proto $p" 41 ${SSH} -$p -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \ 42 -oClearAllForwardings=yes somehost sleep 10 43 if [ $? != 0 ]; then 44 fail "connection failed with cleared local forwarding" 45 else 46 # this one should fail 47 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 48 2>${TEST_SSH_LOGFILE} && \ 49 fail "local forwarding not cleared" 50 fi 51 sleep 10 52 53 trace "clear remote forward proto $p" 54 ${SSH} -$p -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \ 55 -oClearAllForwardings=yes somehost sleep 10 56 if [ $? != 0 ]; then 57 fail "connection failed with cleared remote forwarding" 58 else 59 # this one should fail 60 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 61 2>${TEST_SSH_LOGFILE} && \ 62 fail "remote forwarding not cleared" 63 fi 64 sleep 10 65done 66