1# $OpenBSD: forwarding.sh,v 1.7 2010/01/11 02:53:44 dtucker Exp $ 2# Placed in the Public Domain. 3 4tid="local and remote forwarding" 5 6start_sshd 7 8base=33 9last=$PORT 10fwd="" 11for j in 0 1 2; do 12 for i in 0 1 2; do 13 a=$base$j$i 14 b=`expr $a + 50` 15 c=$last 16 # fwd chain: $a -> $b -> $c 17 fwd="$fwd -L$a:127.0.0.1:$b -R$b:127.0.0.1:$c" 18 last=$a 19 done 20done 21for p in 1 2; do 22 q=`expr 3 - $p` 23 trace "start forwarding, fork to background" 24 ${SSH} -$p -F $OBJ/ssh_config -f $fwd somehost sleep 10 25 26 trace "transfer over forwarded channels and check result" 27 ${SSH} -$q -F $OBJ/ssh_config -p$last -o 'ConnectionAttempts=4' \ 28 somehost cat /bin/ls > $OBJ/ls.copy 29 test -f $OBJ/ls.copy || fail "failed copy /bin/ls" 30 cmp /bin/ls $OBJ/ls.copy || fail "corrupted copy of /bin/ls" 31 32 sleep 10 33done 34 35for p in 1 2; do 36for d in L R; do 37 trace "exit on -$d forward failure, proto $p" 38 39 # this one should succeed 40 ${SSH} -$p -F $OBJ/ssh_config \ 41 -$d ${base}01:127.0.0.1:$PORT \ 42 -$d ${base}02:127.0.0.1:$PORT \ 43 -$d ${base}03:127.0.0.1:$PORT \ 44 -$d ${base}04:127.0.0.1:$PORT \ 45 -oExitOnForwardFailure=yes somehost true 46 if [ $? != 0 ]; then 47 fail "connection failed, should not" 48 else 49 # this one should fail 50 ${SSH} -q -$p -F $OBJ/ssh_config \ 51 -$d ${base}01:127.0.0.1:$PORT \ 52 -$d ${base}02:127.0.0.1:$PORT \ 53 -$d ${base}03:127.0.0.1:$PORT \ 54 -$d ${base}01:127.0.0.1:$PORT \ 55 -$d ${base}04:127.0.0.1:$PORT \ 56 -oExitOnForwardFailure=yes somehost true 57 r=$? 58 if [ $r != 255 ]; then 59 fail "connection not termintated, but should ($r)" 60 fi 61 fi 62done 63done 64 65for p in 1 2; do 66 trace "simple clear forwarding proto $p" 67 ${SSH} -$p -F $OBJ/ssh_config -oClearAllForwardings=yes somehost true 68 69 trace "clear local forward proto $p" 70 ${SSH} -$p -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \ 71 -oClearAllForwardings=yes somehost sleep 10 72 if [ $? != 0 ]; then 73 fail "connection failed with cleared local forwarding" 74 else 75 # this one should fail 76 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 77 2>${TEST_SSH_LOGFILE} && \ 78 fail "local forwarding not cleared" 79 fi 80 sleep 10 81 82 trace "clear remote forward proto $p" 83 ${SSH} -$p -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \ 84 -oClearAllForwardings=yes somehost sleep 10 85 if [ $? != 0 ]; then 86 fail "connection failed with cleared remote forwarding" 87 else 88 # this one should fail 89 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 90 2>${TEST_SSH_LOGFILE} && \ 91 fail "remote forwarding not cleared" 92 fi 93 sleep 10 94done 95 96for p in 2; do 97 trace "stdio forwarding proto $p" 98 cmd="${SSH} -$p -F $OBJ/ssh_config" 99 $cmd -o "ProxyCommand $cmd -q -W localhost:$PORT somehost" \ 100 somehost true 101 if [ $? != 0 ]; then 102 fail "stdio forwarding proto $p" 103 fi 104done 105