[PATCH 2/7] tests: check decoding of NFNL_SUBSYS_CTNETLINK_EXP netlink message flags

[JingPiao Chen]

* tests/nfnetlink_ctnetlink_exp.c (test_nlmsg_flags): New function.
(main): Use it.
---
 tests/nfnetlink_ctnetlink_exp.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/tests/nfnetlink_ctnetlink_exp.c b/tests/nfnetlink_ctnetlink_exp.c
index 3be5d54..aa17cd5 100644
--- a/tests/nfnetlink_ctnetlink_exp.c
+++ b/tests/nfnetlink_ctnetlink_exp.c
@@ -62,6 +62,42 @@ test_nlmsg_type(const int fd)
 	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
 }
 
+static void
+test_nlmsg_flags(const int fd)
+{
+	long rc;
+	struct nlmsghdr nlh = {
+		.nlmsg_len = sizeof(nlh),
+	};
+
+	nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_NEW;
+	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_EXCL;
+	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
+	printf("sendto(%d, {len=%u"
+	       ", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_NEW"
+	       ", flags=NLM_F_REQUEST|NLM_F_EXCL, seq=0, pid=0}"
+	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
+
+	nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_GET;
+	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ROOT;
+	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
+	printf("sendto(%d, {len=%u"
+	       ", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_GET"
+	       ", flags=NLM_F_REQUEST|NLM_F_ROOT, seq=0, pid=0}"
+	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
+
+	nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_DELETE;
+	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
+	rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
+	printf("sendto(%d, {len=%u"
+	       ", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_DELETE"
+	       ", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
+	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+	       fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
+}
+
 int
 main(void)
 {
@@ -70,6 +106,7 @@ main(void)
 	int fd = create_nl_socket(NETLINK_NETFILTER);
 
 	test_nlmsg_type(fd);
+	test_nlmsg_flags(fd);
 
 	puts("+++ exited with 0 +++");
 
-- 
2.7.4