1 # $OpenBSD: forwarding.sh,v 1.7 2010/01/11 02:53:44 dtucker Exp $ 2 # Placed in the Public Domain. 3 4 tid="local and remote forwarding" 5 DATA=/bin/ls${EXEEXT} 6 7 start_sshd 8 9 base=33 10 last=$PORT 11 fwd="" 12 for 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 21 done 22 for 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 $DATA" 32 33 sleep 10 34 done 35 36 for p in 1 2; do 37 for d in L R; do 38 trace "exit on -$d forward failure, proto $p" 39 40 # this one should succeed 41 ${SSH} -$p -F $OBJ/ssh_config \ 42 -$d ${base}01:127.0.0.1:$PORT \ 43 -$d ${base}02:127.0.0.1:$PORT \ 44 -$d ${base}03:127.0.0.1:$PORT \ 45 -$d ${base}04:127.0.0.1:$PORT \ 46 -oExitOnForwardFailure=yes somehost true 47 if [ $? != 0 ]; then 48 fail "connection failed, should not" 49 else 50 # this one should fail 51 ${SSH} -q -$p -F $OBJ/ssh_config \ 52 -$d ${base}01:127.0.0.1:$PORT \ 53 -$d ${base}02:127.0.0.1:$PORT \ 54 -$d ${base}03:127.0.0.1:$PORT \ 55 -$d ${base}01:127.0.0.1:$PORT \ 56 -$d ${base}04:127.0.0.1:$PORT \ 57 -oExitOnForwardFailure=yes somehost true 58 r=$? 59 if [ $r != 255 ]; then 60 fail "connection not termintated, but should ($r)" 61 fi 62 fi 63 done 64 done 65 66 for p in 1 2; do 67 trace "simple clear forwarding proto $p" 68 ${SSH} -$p -F $OBJ/ssh_config -oClearAllForwardings=yes somehost true 69 70 trace "clear local forward proto $p" 71 ${SSH} -$p -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \ 72 -oClearAllForwardings=yes somehost sleep 10 73 if [ $? != 0 ]; then 74 fail "connection failed with cleared local forwarding" 75 else 76 # this one should fail 77 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 78 2>${TEST_SSH_LOGFILE} && \ 79 fail "local forwarding not cleared" 80 fi 81 sleep 10 82 83 trace "clear remote forward proto $p" 84 ${SSH} -$p -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \ 85 -oClearAllForwardings=yes somehost sleep 10 86 if [ $? != 0 ]; then 87 fail "connection failed with cleared remote forwarding" 88 else 89 # this one should fail 90 ${SSH} -$p -F $OBJ/ssh_config -p ${base}01 true \ 91 2>${TEST_SSH_LOGFILE} && \ 92 fail "remote forwarding not cleared" 93 fi 94 sleep 10 95 done 96 97 for p in 2; do 98 trace "stdio forwarding proto $p" 99 cmd="${SSH} -$p -F $OBJ/ssh_config" 100 $cmd -o "ProxyCommand $cmd -q -W localhost:$PORT somehost" \ 101 somehost true 102 if [ $? != 0 ]; then 103 fail "stdio forwarding proto $p" 104 fi 105 done 106
