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pf tests: test keepcounters when we exceed 32 bits

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Ensure that we correctly transfer byte counts if the value exceeds what can be
stored in a single 32-bit counter.

Sponsored by:	Rubicon Communications, LLC ("Netgate")
This commit is contained in:
Kristof Provost 2024-06-10 12:11:02 +02:00
parent 2933c05c56
commit 025df3e6a0
1 changed files with 49 additions and 0 deletions
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49
tests/sys/netpfil/pf/rules_counter.sh
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@ -148,6 +148,54 @@ keepcounters_body()
jexec alcatraz pfctl -s r -v
}
atf_test_case "4G" "cleanup"
4G_head()
{
atf_set descr 'Test keepcounter for values above 32 bits'
atf_set require.user root
}
4G_body()
{
pft_init
epair=$(vnet_mkepair)
ifconfig ${epair}a 192.0.2.1/24 up
vnet_mkjail alcatraz ${epair}b
jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
jexec alcatraz nc -l 1234 >/dev/null &
jexec alcatraz pfctl -e
pft_set_rules alcatraz \
"pass all"
# Now pass more than 4GB of data
dd if=/dev/zero bs=1k count=4M | nc -N 192.0.2.2 1234
bytes=$(jexec alcatraz pfctl -s r -v | awk '/Bytes:/ { print $7; }')
if [ $bytes -lt 4000000000 ];
then
atf_fail "Expected to see > 4GB"
fi
# Set new rules, keeping counters
pft_set_rules noflush alcatraz \
"set keepcounters" \
"pass all"
bytes=$(jexec alcatraz pfctl -s r -v | awk '/Bytes:/ { print $7; }')
if [ $bytes -lt 4000000000 ];
then
atf_fail "Expected to see > 4GB after rule reload"
fi
}
4G_cleanup()
{
pft_cleanup
}
keepcounters_cleanup()
{
pft_cleanup
@ -157,4 +205,5 @@ atf_init_test_cases()
{
atf_add_test_case "get_clear"
atf_add_test_case "keepcounters"
atf_add_test_case "4G"
}