regress/forwarding.sh

   1 #       $OpenBSD: forwarding.sh,v 1.5 2005/03/10 10:20:39 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         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
  65 done