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# Public Domain
# Zev Weiss, 2016
# $OpenBSD: allow-deny-users.sh,v 1.6 2021/06/07 00:00:50 djm Exp $
tid="AllowUsers/DenyUsers"
me="$LOGNAME"
if [ "x$me" = "x" ]; then
me=`whoami`
fi
other="nobody"
cp $OBJ/sshd_proxy $OBJ/sshd_proxy.orig
test_auth()
{
deny="$1"
allow="$2"
should_succeed="$3"
failmsg="$4"
cp $OBJ/sshd_proxy.orig $OBJ/sshd_proxy
test -z "$deny" || echo DenyUsers="$deny" >> $OBJ/sshd_proxy
test -z "$allow" || echo AllowUsers="$allow" >> $OBJ/sshd_proxy
${SSH} -F $OBJ/ssh_proxy "$me@somehost" true
status=$?
if (test $status -eq 0 && ! $should_succeed) \
|| (test $status -ne 0 && $should_succeed); then
fail "$failmsg"
fi
}
# DenyUsers AllowUsers should_succeed failure_message
test_auth "" "" true "user in neither DenyUsers nor AllowUsers denied"
test_auth "$other $me" "" false "user in DenyUsers allowed"
test_auth "$me $other" "" false "user in DenyUsers allowed"
test_auth "" "$other" false "user not in AllowUsers allowed"
test_auth "" "$other $me" true "user in AllowUsers denied"
test_auth "" "$me $other" true "user in AllowUsers denied"
test_auth "$me $other" "$me $other" false "user in both DenyUsers and AllowUsers allowed"
test_auth "$other $me" "$other $me" false "user in both DenyUsers and AllowUsers allowed"
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