]> granicus.if.org Git - strace/commitdiff
tests: check decoding of NFNL_SUBSYS_CTNETLINK netlink message flags
authorJingPiao Chen <chenjingpiao@gmail.com>
Mon, 18 Sep 2017 12:25:13 +0000 (20:25 +0800)
committerJingPiao Chen <chenjingpiao@gmail.com>
Tue, 31 Oct 2017 03:59:42 +0000 (11:59 +0800)
* tests/nfnetlink_ctnetlink.c (test_nlmsg_flags): New function.
(main): Use it.

tests/nfnetlink_ctnetlink.c

index c3a4d32ba4605f7e6eec583729334a6d740b23be..a227f38e1c30c458808eb6824820d7ffc82d54b0 100644 (file)
@@ -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 +++");