--- /dev/null
+/*
+ * Copyright (c) 2017 The strace developers.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* This test case is based on netlink_selinux.c */
+
+#include "tests.h"
+
+#ifdef HAVE_LINUX_GENETLINK_H
+
+# include <stdio.h>
+# include <string.h>
+# include <unistd.h>
+# include <sys/socket.h>
+# include <linux/netlink.h>
+# include <linux/genetlink.h>
+
+static void
+test_nlmsg_type(const int fd)
+{
+ /*
+ * Though GENL_ID_CTRL number is statically fixed in this test case,
+ * strace does not have a builtin knowledge that the corresponding
+ * string is "nlctrl".
+ */
+ long rc;
+ struct {
+ const struct nlmsghdr nlh;
+ struct genlmsghdr gnlh;
+ } req = {
+ .nlh = {
+ .nlmsg_len = sizeof(req),
+ .nlmsg_type = GENL_ID_CTRL,
+ .nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST
+ },
+ .gnlh = {
+ .cmd = CTRL_CMD_GETFAMILY
+ }
+ };
+
+ rc = sendto(fd, &req, sizeof(req), MSG_DONTWAIT, NULL, 0);
+ printf("sendto(%d, {{len=%u, type=nlctrl"
+ ", flags=NLM_F_REQUEST|0x300, seq=0, pid=0}"
+ ", \"\\3\\0\\0\\0\"}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, req.nlh.nlmsg_len,
+ (unsigned int) sizeof(req), sprintrc(rc));
+}
+
+int main(void)
+{
+ skip_if_unavailable("/proc/self/fd/");
+
+ int fd = create_nl_socket(NETLINK_GENERIC);
+
+ test_nlmsg_type(fd);
+
+ printf("+++ exited with 0 +++\n");
+
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("HAVE_LINUX_GENETLINK_H")
+
+#endif