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authorFlorian Westphal <fw@strlen.de>2023-09-18 12:28:15 +0200
committerFlorian Westphal <fw@strlen.de>2023-09-18 13:08:25 +0200
commitbc4f67e0bc08da4008a72ed5196b2638c513df15 (patch)
treec561e0df807474633a29fe876de17e8d1d89e16d /tests/shell
parent9b100024a45996bae00f858a812ed8f4c9c37a6e (diff)
tests/shell: add and use chain binding feature probe
Alter 30s-stress to suppress anon chains when its unuspported. Note that 30s-stress is optionally be run standalone, so also update the test script. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Thomas Haller <thaller@redhat.com>
Diffstat (limited to 'tests/shell')
-rw-r--r--tests/shell/features/chain_binding.nft7
-rwxr-xr-xtests/shell/testcases/cache/0010_implicit_chain_02
-rwxr-xr-xtests/shell/testcases/chains/0041chain_binding_05
-rwxr-xr-xtests/shell/testcases/transactions/30s-stress55
4 files changed, 62 insertions, 7 deletions
diff --git a/tests/shell/features/chain_binding.nft b/tests/shell/features/chain_binding.nft
new file mode 100644
index 00000000..b381ec54
--- /dev/null
+++ b/tests/shell/features/chain_binding.nft
@@ -0,0 +1,7 @@
+# d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
+# v5.9-rc1~133^2~302^2~1
+table ip t {
+ chain c {
+ jump { counter; }
+ }
+}
diff --git a/tests/shell/testcases/cache/0010_implicit_chain_0 b/tests/shell/testcases/cache/0010_implicit_chain_0
index 0ab0db95..834dc6e4 100755
--- a/tests/shell/testcases/cache/0010_implicit_chain_0
+++ b/tests/shell/testcases/cache/0010_implicit_chain_0
@@ -1,5 +1,7 @@
#!/bin/bash
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_chain_binding)
+
set -e
EXPECTED="table ip f {
diff --git a/tests/shell/testcases/chains/0041chain_binding_0 b/tests/shell/testcases/chains/0041chain_binding_0
index 4b541bb5..141a4b6d 100755
--- a/tests/shell/testcases/chains/0041chain_binding_0
+++ b/tests/shell/testcases/chains/0041chain_binding_0
@@ -6,6 +6,11 @@ if [ $? -ne 1 ]; then
exit 1
fi
+if [ $NFT_TEST_HAVE_chain_binding = "n" ] ; then
+ echo "Test partially skipped due to NFT_TEST_HAVE_chain_binding=n"
+ exit 77
+fi
+
set -e
EXPECTED="table inet x {
diff --git a/tests/shell/testcases/transactions/30s-stress b/tests/shell/testcases/transactions/30s-stress
index 4d5d1d8b..4c3c6a27 100755
--- a/tests/shell/testcases/transactions/30s-stress
+++ b/tests/shell/testcases/transactions/30s-stress
@@ -27,6 +27,17 @@ if [ "$NFT_TEST_HAS_SOCKET_LIMITS" = y ] ; then
exit 77
fi
+if [ -z "${NFT_TEST_HAVE_chain_binding+x}" ] ; then
+ NFT_TEST_HAVE_chain_binding=n
+ mydir="$(dirname "$0")"
+ $NFT --check -f "$mydir/../../features/chain_binding.nft"
+ if [ $? -eq 0 ];then
+ NFT_TEST_HAVE_chain_binding=y
+ else
+ echo "Assuming anonymous chains are not supported"
+ fi
+fi
+
testns=testns-$(mktemp -u "XXXXXXXX")
tmp=""
@@ -42,8 +53,8 @@ failslab_defaults() {
# allow all slabs to fail (if process is tagged).
find /sys/kernel/slab/ -wholename '*/kmalloc-[0-9]*/failslab' -type f -exec sh -c 'echo 1 > {}' \;
- # no limit on the number of failures
- echo -1 > /sys/kernel/debug/failslab/times
+ # no limit on the number of failures, or clause works around old kernels that reject negative integer.
+ echo -1 > /sys/kernel/debug/failslab/times 2>/dev/null || printf '%#x -1' > /sys/kernel/debug/failslab/times
# Set to 2 for full dmesg traces for each injected error
echo 0 > /sys/kernel/debug/failslab/verbose
@@ -102,6 +113,15 @@ nft_with_fault_inject()
trap cleanup EXIT
tmp=$(mktemp)
+jump_or_goto()
+{
+ if [ $((RANDOM & 1)) -eq 0 ] ;then
+ echo -n "jump"
+ else
+ echo -n "goto"
+ fi
+}
+
random_verdict()
{
max="$1"
@@ -113,7 +133,8 @@ random_verdict()
rnd=$((RANDOM%max))
if [ $rnd -gt 0 ];then
- printf "jump chain%03u" "$((rnd+1))"
+ jump_or_goto
+ printf " chain%03u" "$((rnd+1))"
return
fi
@@ -422,6 +443,21 @@ stress_all()
randmonitor &
}
+gen_anon_chain_jump()
+{
+ echo -n "insert rule inet $@ "
+ jump_or_goto
+
+ if [ "$NFT_TEST_HAVE_chain_binding" = n ] ; then
+ echo " defaultchain"
+ return
+ fi
+
+ echo -n " { "
+ jump_or_goto
+ echo " defaultchain; counter; }"
+}
+
gen_ruleset() {
echo > "$tmp"
for table in $tables; do
@@ -463,12 +499,13 @@ for table in $tables; do
echo "insert rule inet $table $chain ip6 saddr { ::1, dead::beef } counter" comment hash >> "$tmp"
echo "insert rule inet $table $chain ip saddr { 1.2.3.4 - 5.6.7.8, 127.0.0.1 } comment rbtree" >> "$tmp"
# bitmap 1byte, with anon chain jump
- echo "insert rule inet $table $chain ip protocol { 6, 17 } jump { jump defaultchain; counter; }" >> "$tmp"
+ gen_anon_chain_jump "$table $chain ip protocol { 6, 17 }" >> "$tmp"
+
# bitmap 2byte
echo "insert rule inet $table $chain tcp dport != { 22, 23, 80 } goto defaultchain" >> "$tmp"
echo "insert rule inet $table $chain tcp dport { 1-1024, 8000-8080 } jump defaultchain comment rbtree" >> "$tmp"
# pipapo (concat + set), with goto anonymous chain.
- echo "insert rule inet $table $chain ip saddr . tcp dport { 1.2.3.4 . 1-1024, 1.2.3.6 - 1.2.3.10 . 8000-8080, 1.2.3.4 . 8080, 1.2.3.6 - 1.2.3.10 . 22 } goto { jump defaultchain; counter; }" >> "$tmp"
+ gen_anon_chain_jump "$table $chain ip saddr . tcp dport { 1.2.3.4 . 1-1024, 1.2.3.6 - 1.2.3.10 . 8000-8080, 1.2.3.4 . 8080, 1.2.3.6 - 1.2.3.10 . 22 }" >> "$tmp"
# add a few anonymous sets. rhashtable is convered by named sets below.
c=$((RANDOM%$count))
@@ -477,12 +514,12 @@ for table in $tables; do
echo "insert rule inet $table $chain ip6 saddr { ::1, dead::beef } counter" comment hash >> "$tmp"
echo "insert rule inet $table $chain ip saddr { 1.2.3.4 - 5.6.7.8, 127.0.0.1 } comment rbtree" >> "$tmp"
# bitmap 1byte, with anon chain jump
- echo "insert rule inet $table $chain ip protocol { 6, 17 } jump { jump defaultchain; counter; }" >> "$tmp"
+ gen_anon_chain_jump "$table $chain ip protocol { 6, 17 }" >> "$tmp"
# bitmap 2byte
echo "insert rule inet $table $chain tcp dport != { 22, 23, 80 } goto defaultchain" >> "$tmp"
echo "insert rule inet $table $chain tcp dport { 1-1024, 8000-8080 } jump defaultchain comment rbtree" >> "$tmp"
# pipapo (concat + set), with goto anonymous chain.
- echo "insert rule inet $table $chain ip saddr . tcp dport { 1.2.3.4 . 1-1024, 1.2.3.6 - 1.2.3.10 . 8000-8080, 1.2.3.4 . 8080, 1.2.3.6 - 1.2.3.10 . 22 } goto { jump defaultchain; counter; }" >> "$tmp"
+ gen_anon_chain_jump "$table $chain ip saddr . tcp dport { 1.2.3.4 . 1-1024, 1.2.3.6 - 1.2.3.10 . 8000-8080, 1.2.3.4 . 8080, 1.2.3.6 - 1.2.3.10 . 22 }" >> "$tmp"
# add constant/immutable sets
size=$((RANDOM%5120000))
@@ -594,3 +631,7 @@ run_test
rm -f "$tmp"
tmp=""
sleep 4
+
+if [ "$NFT_TEST_HAVE_chain_binding" = n ] ; then
+ echo "Ran a modified version of the test due to NFT_TEST_HAVE_chain_binding=n"
+fi