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djm pushed a commit to branch master
in repository openssh.

commit dbaf599b61bd6e0f8469363a8c8e7f633b334018
Author: dtucker@openbsd.org <dtucker@openbsd.org>
Date: Fri Jan 6 02:09:25 2017 +0000

upstream commit

Make forwarding test less racy by using unix domain
sockets instead of TCP ports where possible. Patch from cjwatson at
debian.org via bz#2659.

Upstream-Regress-ID: 4756375aac5916ef9d25452a1c1d5fa9e90299a9
---
regress/forwarding.sh | 34 ++++++++++++++++++++--------------
1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/regress/forwarding.sh b/regress/forwarding.sh
index 2539db9..617ac63 100644
--- a/regress/forwarding.sh
+++ b/regress/forwarding.sh
@@ -1,4 +1,4 @@
-# $OpenBSD: forwarding.sh,v 1.16 2016/04/14 23:57:17 djm Exp $
+# $OpenBSD: forwarding.sh,v 1.17 2017/01/06 02:09:25 dtucker Exp $
# Placed in the Public Domain.

tid="local and remote forwarding"
@@ -11,7 +11,6 @@ base=33
last=$PORT
fwd=""
CTL=$OBJ/ctl-sock
-rm -f $CTL

for j in 0 1 2; do
for i in 0 1 2; do
@@ -29,7 +28,8 @@ for p in ${SSH_PROTOCOLS}; do
q=$p
fi
trace "start forwarding, fork to background"
- ${SSH} -$p -F $OBJ/ssh_config -f $fwd somehost sleep 10
+ rm -f $CTL
+ ${SSH} -S $CTL -M -$p -F $OBJ/ssh_config -f $fwd somehost sleep 10

trace "transfer over forwarded channels and check result"
${SSH} -$q -F $OBJ/ssh_config -p$last -o 'ConnectionAttempts=4' \
@@ -37,7 +37,7 @@ for p in ${SSH_PROTOCOLS}; do
test -s ${COPY} || fail "failed copy of ${DATA}"
cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"

- sleep 10
+ ${SSH} -S $CTL -O exit somehost
done

for p in ${SSH_PROTOCOLS}; do
@@ -75,7 +75,8 @@ for p in ${SSH_PROTOCOLS}; do
${SSH} -$p -F $OBJ/ssh_config -oClearAllForwardings=yes somehost true

trace "clear local forward proto $p"
- ${SSH} -$p -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \
+ rm -f $CTL
+ ${SSH} -S $CTL -M -$p -f -F $OBJ/ssh_config -L ${base}01:127.0.0.1:$PORT \
-oClearAllForwardings=yes somehost sleep 10
if [ $? != 0 ]; then
fail "connection failed with cleared local forwarding"
@@ -85,10 +86,11 @@ for p in ${SSH_PROTOCOLS}; do
>>$TEST_REGRESS_LOGFILE 2>&1 && \
fail "local forwarding not cleared"
fi
- sleep 10
+ ${SSH} -S $CTL -O exit somehost

trace "clear remote forward proto $p"
- ${SSH} -$p -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \
+ rm -f $CTL
+ ${SSH} -S $CTL -M -$p -f -F $OBJ/ssh_config -R ${base}01:127.0.0.1:$PORT \
-oClearAllForwardings=yes somehost sleep 10
if [ $? != 0 ]; then
fail "connection failed with cleared remote forwarding"
@@ -98,7 +100,7 @@ for p in ${SSH_PROTOCOLS}; do
>>$TEST_REGRESS_LOGFILE 2>&1 && \
fail "remote forwarding not cleared"
fi
- sleep 10
+ ${SSH} -S $CTL -O exit somehost
done

for p in 2; do
@@ -115,6 +117,7 @@ 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
for p in ${SSH_PROTOCOLS}; do
trace "config file: start forwarding, fork to background"
+ rm -f $CTL
${SSH} -S $CTL -M -$p -F $OBJ/ssh_config -f somehost sleep 10

trace "config file: transfer over forwarded channels and check result"
@@ -129,15 +132,18 @@ done
for p in 2; do
trace "transfer over chained unix domain socket forwards and check result"
rm -f $OBJ/unix-[123].fwd
- ${SSH} -f -F $OBJ/ssh_config -R${base}01:[$OBJ/unix-1.fwd] somehost sleep 10
- ${SSH} -f -F $OBJ/ssh_config -L[$OBJ/unix-1.fwd]:[$OBJ/unix-2.fwd] somehost sleep 10
- ${SSH} -f -F $OBJ/ssh_config -R[$OBJ/unix-2.fwd]:[$OBJ/unix-3.fwd] somehost sleep 10
- ${SSH} -f -F $OBJ/ssh_config -L[$OBJ/unix-3.fwd]:127.0.0.1:$PORT somehost sleep 10
+ rm -f $CTL $CTL.[123]
+ ${SSH} -S $CTL -M -f -F $OBJ/ssh_config -R${base}01:[$OBJ/unix-1.fwd] somehost sleep 10
+ ${SSH} -S $CTL.1 -M -f -F $OBJ/ssh_config -L[$OBJ/unix-1.fwd]:[$OBJ/unix-2.fwd] somehost sleep 10
+ ${SSH} -S $CTL.2 -M -f -F $OBJ/ssh_config -R[$OBJ/unix-2.fwd]:[$OBJ/unix-3.fwd] somehost sleep 10
+ ${SSH} -S $CTL.3 -M -f -F $OBJ/ssh_config -L[$OBJ/unix-3.fwd]:127.0.0.1:$PORT somehost sleep 10
${SSH} -F $OBJ/ssh_config -p${base}01 -o 'ConnectionAttempts=4' \
somehost cat ${DATA} > ${COPY}
test -s ${COPY} || fail "failed copy ${DATA}"
cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"

- #wait
- sleep 10
+ ${SSH} -S $CTL -O exit somehost
+ ${SSH} -S $CTL.1 -O exit somehost
+ ${SSH} -S $CTL.2 -O exit somehost
+ ${SSH} -S $CTL.3 -O exit somehost
done

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