crypto/openssh/regress/dynamic-forward.sh

   1 #       $OpenBSD: dynamic-forward.sh,v 1.10 2013/05/17 04:29:14 dtucker Exp $
   2 #       Placed in the Public Domain.
   3
   4 tid="dynamic forwarding"
   5
   6 FWDPORT=`expr $PORT + 1`
   7
   8 if have_prog nc && nc -h 2>&1 | grep "proxy address" >/dev/null; then
   9         proxycmd="nc -x 127.0.0.1:$FWDPORT -X"
  10 elif have_prog connect; then
  11         proxycmd="connect -S 127.0.0.1:$FWDPORT -"
  12 else
  13         echo "skipped (no suitable ProxyCommand found)"
  14         exit 0
  15 fi
  16 trace "will use ProxyCommand $proxycmd"
  17
  18 start_sshd
  19
  20 for p in 1 2; do
  21         n=0
  22         error="1"
  23         trace "start dynamic forwarding, fork to background"
  24         while [ "$error" -ne 0 -a "$n" -lt 3 ]; do
  25                 n=`expr $n + 1`
  26                 ${SSH} -$p -F $OBJ/ssh_config -f -D $FWDPORT -q \
  27                     -oExitOnForwardFailure=yes somehost exec sh -c \
  28                         \'"echo \$\$ > $OBJ/remote_pid; exec sleep 444"\'
  29                 error=$?
  30                 if [ "$error" -ne 0 ]; then
  31                         trace "forward failed proto $p attempt $n err $error"
  32                         sleep $n
  33                 fi
  34         done
  35         if [ "$error" -ne 0 ]; then
  36                 fatal "failed to start dynamic forwarding proto $p"
  37         fi
  38
  39         for s in 4 5; do
  40             for h in 127.0.0.1 localhost; do
  41                 trace "testing ssh protocol $p socks version $s host $h"
  42                 ${SSH} -F $OBJ/ssh_config \
  43                         -o "ProxyCommand ${proxycmd}${s} $h $PORT" \
  44                         somehost cat $DATA > $OBJ/ls.copy
  45                 test -f $OBJ/ls.copy     || fail "failed copy $DATA"
  46                 cmp $DATA $OBJ/ls.copy || fail "corrupted copy of $DATA"
  47             done
  48         done
  49
  50         if [ -f $OBJ/remote_pid ]; then
  51                 remote=`cat $OBJ/remote_pid`
  52                 trace "terminate remote shell, pid $remote"
  53                 if [ $remote -gt 1 ]; then
  54                         kill -HUP $remote
  55                 fi
  56         else
  57                 fail "no pid file: $OBJ/remote_pid"
  58         fi
  59 done