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Index: tests/sys/netpfil/common/Makefile
===================================================================
--- tests/sys/netpfil/common/Makefile
+++ tests/sys/netpfil/common/Makefile
@@ -8,7 +8,8 @@
ATF_TESTS_SH+= \
pass_block \
nat \
- tos
+ tos \
+ fragments
${PACKAGE}FILES+= \
utils.subr \
Index: tests/sys/netpfil/common/fragments.sh
===================================================================
--- /dev/null
+++ tests/sys/netpfil/common/fragments.sh
@@ -0,0 +1,80 @@
+#-
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2019 Ahsan Barkati
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+. $(atf_get_srcdir)/utils.subr
+. $(atf_get_srcdir)/runner.subr
+
+fragments_head()
+{
+ atf_set descr 'Too many fragments test'
+ atf_set require.user root
+}
+
+fragments_body()
+{
+ firewall=$1
+ firewall_init $firewall
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}b inet 192.0.2.1/24 up
+
+ vnet_mkjail iron ${epair}a
+ jexec iron ifconfig ${epair}a 192.0.2.2/24 up
+
+ ifconfig ${epair}b mtu 200
+ jexec iron ifconfig ${epair}a mtu 200
+
+ firewall_config "iron" ${firewall} \
+ "pf" \
+ "scrub all fragment reassemble" \
+ "ipfw" \
+ "ipfw -q add 100 reass all from any to any in" \
+ "ipf" \
+ "pass in all with frags"
+
+ jexec iron sysctl net.inet.ip.maxfragsperpacket=1024
+
+ atf_check -s exit:0 -o ignore ping -c 1 -t 1 192.0.2.2
+ atf_check -s exit:0 -o ignore ping -c 1 -s 800 192.0.2.2
+
+ # Too many fragments should fail
+ atf_check -s exit:2 -o ignore ping -c 1 -s 20000 192.0.2.2
+}
+
+fragments_cleanup()
+{
+ firewall=$1
+ firewall_cleanup $firewall
+}
+
+setup_tests \
+ "fragments" \
+ "pf" \
+ "ipfw" \
+ "ipf"
\ No newline at end of file

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