extensions: libxt_string: add unit test

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/extensions/libxt_string.t b/extensions/libxt_string.t
new file mode 100644 (file)
index 0000000..d68f099
--- /dev/null
+++ b/extensions/libxt_string.t
@@ -0,0 +1,18 @@
+:INPUT,FORWARD,OUTPUT
+# ERROR: cannot find: iptables -I INPUT -m string --algo bm --string "test"
+# -m string --algo bm --string "test";=;OK
+# ERROR: cannot find: iptables -I INPUT -m string --algo kmp --string "test")
+# -m string --algo kmp --string "test";=;OK
+# ERROR: cannot find: iptables -I INPUT -m string --algo kmp ! --string "test"
+# -m string --algo kmp ! --string "test";=;OK
+# cannot find: iptables -I INPUT -m string --algo bm --string "xxxxxxxxxxx" ....]
+# -m string --algo bm --string "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";=;OK
+# ERROR: cannot load: iptables -A INPUT -m string --algo bm --string "xxxx"
+# -m string --algo bm --string "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";=;OK
+# ERROR: cannot load: iptables -A INPUT -m string --algo bm --hexstring "|0a0a0a0a|"
+# -m string --algo bm --hexstring "|0a0a0a0a|";=;OK
+# ERROR: cannot find: iptables -I INPUT -m string --algo bm --from 0 --to 65535 --string "test"
+# -m string --algo bm --from 0 --to 65535 --string "test";=;OK
+-m string --algo wrong;;FAIL
+-m string --algo bm;;FAIL
+-m string;;FAIL