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Add back regress/cfgmatch.sh
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‎regress/cfgmatch.sh

+183-183
Original file line numberDiff line numberDiff line change
@@ -1,183 +1,183 @@
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# $OpenBSD: cfgmatch.sh,v 1.13 2021/06/08 06:52:43 djm Exp $
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# Placed in the Public Domain.
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# tid="sshd_config match"
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# pidfile=$OBJ/remote_pid
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# fwdport=3301
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# fwd="-L $fwdport:127.0.0.1:$PORT"
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# echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_config
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# echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_proxy
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# start_client()
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# {
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# rm -f $pidfile
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# ${SSH} -q $fwd "$@" somehost \
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# exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' \
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# >>$TEST_REGRESS_LOGFILE 2>&1 &
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# client_pid=$!
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# # Wait for remote end
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# n=0
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# while test ! -f $pidfile ; do
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# sleep 1
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# n=`expr $n + 1`
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# if test $n -gt 60; then
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# if [ "$os" == "windows" ]; then
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# # We can't kill windows process from cygwin / wsl so use "stop-process"
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# powershell.exe /c "stop-process -id $client_pid -Force" >/dev/null 2>&1
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# else
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# kill $client_pid
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# fi
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# fatal "timeout waiting for background ssh"
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# fi
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# done
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# }
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# stop_client()
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# {
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# pid=`cat $pidfile`
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# if [ "$os" == "windows" ]; then
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# # We can't kill windows process from cygwin / wsl so use "stop-process"
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# powershell.exe /c "stop-process -id $pid -Force" >/dev/null 2>&1
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# powershell.exe /c "stop-process -name sleep -Force" >/dev/null 2>&1
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# else
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# if [ ! -z "$pid" ]; then
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# kill $pid
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# fi
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# wait
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# fi
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# }
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# cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
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# echo "PermitOpen 127.0.0.1:1 # comment" >>$OBJ/sshd_config
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# echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
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# echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_config
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# grep -v AuthorizedKeysFile $OBJ/sshd_proxy_bak > $OBJ/sshd_proxy
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# echo "AuthorizedKeysFile /dev/null # comment" >>$OBJ/sshd_proxy
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# echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
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# if [ "$os" == "windows" ]; then
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# # If User is domainuser then it will be in "domain/user" so convert it to "domain\user"
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# echo "Match user ${USER//\//\\}" >>$OBJ/sshd_proxy
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# else
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# echo "Match user $USER" >>$OBJ/sshd_proxy
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# fi
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# echo "AuthorizedKeysFile /dev/null $OBJ/authorized_keys_%u" >>$OBJ/sshd_proxy
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# echo "Match Address 127.0.0.1 # comment" >>$OBJ/sshd_proxy
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# echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
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# ${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
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# fail "config w/match fails config test"
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# start_sshd
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# # Test Match + PermitOpen in sshd_config. This should be permitted
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# trace "match permitopen localhost"
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# start_client -F $OBJ/ssh_config
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
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# fail "match permitopen permit"
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# stop_client
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# # Same but from different source. This should not be permitted
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# trace "match permitopen proxy"
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# start_client -F $OBJ/ssh_proxy
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
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# fail "match permitopen deny"
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# stop_client
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# # Retry previous with key option, should also be denied.
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# cp /dev/null $OBJ/authorized_keys_$USER
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# for t in ${SSH_KEYTYPES}; do
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# printf 'permitopen="127.0.0.1:'$PORT'" ' >> $OBJ/authorized_keys_$USER
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# cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER
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# done
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# trace "match permitopen proxy w/key opts"
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# start_client -F $OBJ/ssh_proxy
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
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# fail "match permitopen deny w/key opt"
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# stop_client
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# # Test both sshd_config and key options permitting the same dst/port pair.
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# # Should be permitted.
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# trace "match permitopen localhost"
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# start_client -F $OBJ/ssh_config
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
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# fail "match permitopen permit"
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# stop_client
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# cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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# echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
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# if [ "$os" == "windows" ]; then
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# # If User is domainuser then it will be in "domain/user" so convert it to "domain\user"
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# echo "Match user ${USER//\//\\}" >>$OBJ/sshd_proxy
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# else
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# echo "Match user $USER" >>$OBJ/sshd_proxy
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# fi
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# echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
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# # Test that a Match overrides a PermitOpen in the global section
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# trace "match permitopen proxy w/key opts"
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# start_client -F $OBJ/ssh_proxy
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
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# fail "match override permitopen"
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# stop_client
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# cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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# echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
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# echo "Match User NoSuchUser" >>$OBJ/sshd_proxy
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# echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
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# # Test that a rule that doesn't match doesn't override, plus test a
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# # PermitOpen entry that's not at the start of the list
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# trace "nomatch permitopen proxy w/key opts"
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# start_client -F $OBJ/ssh_proxy
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# ${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
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# fail "nomatch override permitopen"
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# stop_client
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# # Test parsing of available Match criteria (with the exception of Group which
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# # requires knowledge of actual group memberships user running the test).
142-
# params="user:user:u1 host:host:h1 address:addr:1.2.3.4 \
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# localaddress:laddr:5.6.7.8 rdomain:rdomain:rdom1"
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# cp $OBJ/sshd_proxy_bak $OBJ/sshd_config
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# echo 'Banner /nomatch' >>$OBJ/sshd_config
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# for i in $params; do
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# config=`echo $i | cut -f1 -d:`
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# criteria=`echo $i | cut -f2 -d:`
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# value=`echo $i | cut -f3 -d:`
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# cat >>$OBJ/sshd_config <<EOD
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# Match $config $value
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# Banner /$value
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# EOD
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# done
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# ${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
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# fail "validate config for w/out spec"
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# # Test matching each criteria.
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# for i in $params; do
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# testcriteria=`echo $i | cut -f2 -d:`
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# expected=/`echo $i | cut -f3 -d:`
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# spec=""
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# for j in $params; do
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# config=`echo $j | cut -f1 -d:`
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# criteria=`echo $j | cut -f2 -d:`
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# value=`echo $j | cut -f3 -d:`
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# if [ "$criteria" = "$testcriteria" ]; then
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# spec="$criteria=$value,$spec"
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# else
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# spec="$criteria=1$value,$spec"
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# fi
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# done
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# trace "test spec $spec"
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# result=`${SUDO} ${SSHD} -f $OBJ/sshd_config -T -C "$spec" | \
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# awk '$1=="banner"{print $2}'`
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# if [ "$os" == "windows" ]; then
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# result=${result/$'\r'/} # remove CR (carriage return)
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# fi
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# if [ "$result" != "$expected" ]; then
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# fail "match $config expected $expected got $result"
182-
# fi
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# done
1+
$OpenBSD: cfgmatch.sh,v 1.13 2021/06/08 06:52:43 djm Exp $
2+
Placed in the Public Domain.
3+
4+
tid="sshd_config match"
5+
6+
pidfile=$OBJ/remote_pid
7+
fwdport=3301
8+
fwd="-L $fwdport:127.0.0.1:$PORT"
9+
10+
echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_config
11+
echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_proxy
12+
13+
start_client()
14+
{
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rm -f $pidfile
16+
${SSH} -q $fwd "$@" somehost \
17+
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' \
18+
>>$TEST_REGRESS_LOGFILE 2>&1 &
19+
client_pid=$!
20+
# Wait for remote end
21+
n=0
22+
while test ! -f $pidfile ; do
23+
sleep 1
24+
n=`expr $n + 1`
25+
if test $n -gt 60; then
26+
if [ "$os" == "windows" ]; then
27+
# We can't kill windows process from cygwin / wsl so use "stop-process"
28+
powershell.exe /c "stop-process -id $client_pid -Force" >/dev/null 2>&1
29+
else
30+
kill $client_pid
31+
fi
32+
fatal "timeout waiting for background ssh"
33+
fi
34+
done
35+
}
36+
37+
stop_client()
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{
39+
pid=`cat $pidfile`
40+
if [ "$os" == "windows" ]; then
41+
# We can't kill windows process from cygwin / wsl so use "stop-process"
42+
powershell.exe /c "stop-process -id $pid -Force" >/dev/null 2>&1
43+
powershell.exe /c "stop-process -name sleep -Force" >/dev/null 2>&1
44+
else
45+
if [ ! -z "$pid" ]; then
46+
kill $pid
47+
fi
48+
wait
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fi
50+
}
51+
52+
cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
53+
echo "PermitOpen 127.0.0.1:1 # comment" >>$OBJ/sshd_config
54+
echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
55+
echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_config
56+
57+
grep -v AuthorizedKeysFile $OBJ/sshd_proxy_bak > $OBJ/sshd_proxy
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echo "AuthorizedKeysFile /dev/null # comment" >>$OBJ/sshd_proxy
59+
echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
60+
if [ "$os" == "windows" ]; then
61+
# If User is domainuser then it will be in "domain/user" so convert it to "domain\user"
62+
echo "Match user ${USER//\//\\}" >>$OBJ/sshd_proxy
63+
else
64+
echo "Match user $USER" >>$OBJ/sshd_proxy
65+
fi
66+
67+
echo "AuthorizedKeysFile /dev/null $OBJ/authorized_keys_%u" >>$OBJ/sshd_proxy
68+
echo "Match Address 127.0.0.1 # comment" >>$OBJ/sshd_proxy
69+
echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
70+
71+
${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
72+
fail "config w/match fails config test"
73+
74+
start_sshd
75+
76+
# Test Match + PermitOpen in sshd_config. This should be permitted
77+
trace "match permitopen localhost"
78+
start_client -F $OBJ/ssh_config
79+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
80+
fail "match permitopen permit"
81+
stop_client
82+
83+
# Same but from different source. This should not be permitted
84+
trace "match permitopen proxy"
85+
start_client -F $OBJ/ssh_proxy
86+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
87+
fail "match permitopen deny"
88+
stop_client
89+
90+
# Retry previous with key option, should also be denied.
91+
cp /dev/null $OBJ/authorized_keys_$USER
92+
for t in ${SSH_KEYTYPES}; do
93+
printf 'permitopen="127.0.0.1:'$PORT'" ' >> $OBJ/authorized_keys_$USER
94+
cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER
95+
done
96+
trace "match permitopen proxy w/key opts"
97+
start_client -F $OBJ/ssh_proxy
98+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
99+
fail "match permitopen deny w/key opt"
100+
stop_client
101+
102+
# Test both sshd_config and key options permitting the same dst/port pair.
103+
# Should be permitted.
104+
trace "match permitopen localhost"
105+
start_client -F $OBJ/ssh_config
106+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
107+
fail "match permitopen permit"
108+
stop_client
109+
110+
cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
111+
echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
112+
if [ "$os" == "windows" ]; then
113+
# If User is domainuser then it will be in "domain/user" so convert it to "domain\user"
114+
echo "Match user ${USER//\//\\}" >>$OBJ/sshd_proxy
115+
else
116+
echo "Match user $USER" >>$OBJ/sshd_proxy
117+
fi
118+
echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
119+
120+
# Test that a Match overrides a PermitOpen in the global section
121+
trace "match permitopen proxy w/key opts"
122+
start_client -F $OBJ/ssh_proxy
123+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
124+
fail "match override permitopen"
125+
stop_client
126+
127+
cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
128+
echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
129+
echo "Match User NoSuchUser" >>$OBJ/sshd_proxy
130+
echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
131+
132+
# Test that a rule that doesn't match doesn't override, plus test a
133+
# PermitOpen entry that's not at the start of the list
134+
trace "nomatch permitopen proxy w/key opts"
135+
start_client -F $OBJ/ssh_proxy
136+
${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
137+
fail "nomatch override permitopen"
138+
stop_client
139+
140+
# Test parsing of available Match criteria (with the exception of Group which
141+
# requires knowledge of actual group memberships user running the test).
142+
params="user:user:u1 host:host:h1 address:addr:1.2.3.4 \
143+
localaddress:laddr:5.6.7.8 rdomain:rdomain:rdom1"
144+
cp $OBJ/sshd_proxy_bak $OBJ/sshd_config
145+
echo 'Banner /nomatch' >>$OBJ/sshd_config
146+
for i in $params; do
147+
config=`echo $i | cut -f1 -d:`
148+
criteria=`echo $i | cut -f2 -d:`
149+
value=`echo $i | cut -f3 -d:`
150+
cat >>$OBJ/sshd_config <<EOD
151+
Match $config $value
152+
Banner /$value
153+
EOD
154+
done
155+
156+
${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
157+
fail "validate config for w/out spec"
158+
159+
# Test matching each criteria.
160+
for i in $params; do
161+
testcriteria=`echo $i | cut -f2 -d:`
162+
expected=/`echo $i | cut -f3 -d:`
163+
spec=""
164+
for j in $params; do
165+
config=`echo $j | cut -f1 -d:`
166+
criteria=`echo $j | cut -f2 -d:`
167+
value=`echo $j | cut -f3 -d:`
168+
if [ "$criteria" = "$testcriteria" ]; then
169+
spec="$criteria=$value,$spec"
170+
else
171+
spec="$criteria=1$value,$spec"
172+
fi
173+
done
174+
trace "test spec $spec"
175+
result=`${SUDO} ${SSHD} -f $OBJ/sshd_config -T -C "$spec" | \
176+
awk '$1=="banner"{print $2}'`
177+
if [ "$os" == "windows" ]; then
178+
result=${result/$'\r'/} # remove CR (carriage return)
179+
fi
180+
if [ "$result" != "$expected" ]; then
181+
fail "match $config expected $expected got $result"
182+
fi
183+
done

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