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-rw-r--r--regress/forwarding.sh136
1 files changed, 136 insertions, 0 deletions
diff --git a/regress/forwarding.sh b/regress/forwarding.sh
new file mode 100644
index 0000000..a72bd3a
--- /dev/null
+++ b/regress/forwarding.sh
@@ -0,0 +1,136 @@
+# $OpenBSD: forwarding.sh,v 1.24 2021/05/07 09:23:40 dtucker Exp $
+# Placed in the Public Domain.
+
+tid="local and remote forwarding"
+
+DATA=/bin/ls${EXEEXT}
+
+start_sshd
+
+base=33
+last=$PORT
+fwd=""
+make_tmpdir
+CTL=${SSH_REGRESS_TMP}/ctl-sock
+
+for j in 0 1 2; do
+ for i in 0 1 2; do
+ a=$base$j$i
+ b=`expr $a + 50`
+ c=$last
+ # fwd chain: $a -> $b -> $c
+ fwd="$fwd -L$a:127.0.0.1:$b -R$b:127.0.0.1:$c"
+ last=$a
+ done
+done
+
+trace "start forwarding, fork to background"
+rm -f $CTL
+${SSH} -S $CTL -N -M -F $OBJ/ssh_config -f $fwd somehost
+
+trace "transfer over forwarded channels and check result"
+${SSH} -F $OBJ/ssh_config -p$last -o 'ConnectionAttempts=10' \
+ somehost cat ${DATA} > ${COPY}
+test -s ${COPY} || fail "failed copy of ${DATA}"
+cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"
+
+${SSH} -F $OBJ/ssh_config -S $CTL -O exit somehost 2>/dev/null
+
+for d in L R; do
+ trace "exit on -$d forward failure"
+
+ # this one should succeed
+ ${SSH} -F $OBJ/ssh_config \
+ -$d ${base}01:127.0.0.1:$PORT \
+ -$d ${base}02:127.0.0.1:$PORT \
+ -$d ${base}03:127.0.0.1:$PORT \
+ -$d ${base}04:127.0.0.1:$PORT \
+ -oExitOnForwardFailure=yes somehost true
+ if [ $? != 0 ]; then
+ fatal "connection failed, should not"
+ else
+ # this one should fail
+ ${SSH} -q -F $OBJ/ssh_config \
+ -$d ${base}01:127.0.0.1:$PORT \
+ -$d ${base}02:127.0.0.1:$PORT \
+ -$d ${base}03:127.0.0.1:$PORT \
+ -$d ${base}01:localhost:$PORT \
+ -$d ${base}04:127.0.0.1:$PORT \
+ -oExitOnForwardFailure=yes somehost true
+ r=$?
+ if [ $r != 255 ]; then
+ fail "connection not termintated, but should ($r)"
+ fi
+ fi
+done
+
+trace "simple clear forwarding"
+${SSH} -F $OBJ/ssh_config -oClearAllForwardings=yes somehost true
+
+trace "clear local forward"
+rm -f $CTL
+${SSH} -S $CTL -N -M -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \
+ -oClearAllForwardings=yes somehost
+if [ $? != 0 ]; then
+ fail "connection failed with cleared local forwarding"
+else
+ # this one should fail
+ ${SSH} -F $OBJ/ssh_config -p ${base}01 somehost true \
+ >>$TEST_REGRESS_LOGFILE 2>&1 && \
+ fail "local forwarding not cleared"
+fi
+${SSH} -F $OBJ/ssh_config -S $CTL -O exit somehost 2>/dev/null
+
+trace "clear remote forward"
+rm -f $CTL
+${SSH} -S $CTL -N -M -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \
+ -oClearAllForwardings=yes somehost
+if [ $? != 0 ]; then
+ fail "connection failed with cleared remote forwarding"
+else
+ # this one should fail
+ ${SSH} -F $OBJ/ssh_config -p ${base}01 somehost true \
+ >>$TEST_REGRESS_LOGFILE 2>&1 && \
+ fail "remote forwarding not cleared"
+fi
+${SSH} -F $OBJ/ssh_config -S $CTL -O exit somehost 2>/dev/null
+
+trace "stdio forwarding"
+cmd="${SSH} -F $OBJ/ssh_config"
+$cmd -o "ProxyCommand $cmd -q -W localhost:$PORT somehost" somehost true
+if [ $? != 0 ]; then
+ fail "stdio forwarding"
+fi
+
+echo "LocalForward ${base}01 127.0.0.1:$PORT" >> $OBJ/ssh_config
+echo "RemoteForward ${base}02 127.0.0.1:${base}01" >> $OBJ/ssh_config
+
+trace "config file: start forwarding, fork to background"
+rm -f $CTL
+${SSH} -S $CTL -N -M -F $OBJ/ssh_config -f somehost
+
+trace "config file: transfer over forwarded channels and check result"
+${SSH} -F $OBJ/ssh_config -p${base}02 -o 'ConnectionAttempts=10' \
+ somehost cat ${DATA} > ${COPY}
+test -s ${COPY} || fail "failed copy of ${DATA}"
+cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"
+
+${SSH} -F $OBJ/ssh_config -S $CTL -O exit somehost 2>/dev/null
+
+trace "transfer over chained unix domain socket forwards and check result"
+rm -f $OBJ/unix-[123].fwd
+rm -f $CTL $CTL.[123]
+${SSH} -S $CTL -N -M -f -F $OBJ/ssh_config -R${base}01:[$OBJ/unix-1.fwd] somehost
+${SSH} -S $CTL.1 -N -M -f -F $OBJ/ssh_config -L[$OBJ/unix-1.fwd]:[$OBJ/unix-2.fwd] somehost
+${SSH} -S $CTL.2 -N -M -f -F $OBJ/ssh_config -R[$OBJ/unix-2.fwd]:[$OBJ/unix-3.fwd] somehost
+${SSH} -S $CTL.3 -N -M -f -F $OBJ/ssh_config -L[$OBJ/unix-3.fwd]:127.0.0.1:$PORT somehost
+${SSH} -F $OBJ/ssh_config -p${base}01 -o 'ConnectionAttempts=10' \
+ somehost cat ${DATA} > ${COPY}
+test -s ${COPY} || fail "failed copy ${DATA}"
+cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"
+
+${SSH} -F $OBJ/ssh_config -S $CTL -O exit somehost 2>/dev/null
+${SSH} -F $OBJ/ssh_config -S $CTL.1 -O exit somehost 2>/dev/null
+${SSH} -F $OBJ/ssh_config -S $CTL.2 -O exit somehost 2>/dev/null
+${SSH} -F $OBJ/ssh_config -S $CTL.3 -O exit somehost 2>/dev/null
+