From 07c91defbcbed5d28a42778bfb919a009992934b Mon Sep 17 00:00:00 2001 From: JingPiao Chen Date: Mon, 18 Sep 2017 20:25:13 +0800 Subject: [PATCH] tests: check decoding of NFNL_SUBSYS_CTNETLINK netlink message flags * tests/nfnetlink_ctnetlink.c (test_nlmsg_flags): New function. (main): Use it. --- tests/nfnetlink_ctnetlink.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/tests/nfnetlink_ctnetlink.c b/tests/nfnetlink_ctnetlink.c index c3a4d32b..a227f38e 100644 --- a/tests/nfnetlink_ctnetlink.c +++ b/tests/nfnetlink_ctnetlink.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 << 8 | IPCTNL_MSG_CT_NEW; + nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE; + rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); + printf("sendto(%d, {len=%u" + ", type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_NEW" + ", flags=NLM_F_REQUEST|NLM_F_REPLACE, 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 << 8 | IPCTNL_MSG_CT_GET; + nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; + rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); + printf("sendto(%d, {len=%u" + ", type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_GET" + ", flags=NLM_F_REQUEST|NLM_F_DUMP, 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 << 8 | IPCTNL_MSG_CT_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<<8|IPCTNL_MSG_CT_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 +++"); -- 2.40.0