1 files changed, 83 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/net/if/t_compat.c b/contrib/netbsd-tests/net/if/t_compat.c
new file mode 100644
index 0000000..4798034
--- /dev/null
+++ b/contrib/netbsd-tests/net/if/t_compat.c
@@ -0,0 +1,83 @@
+/*	$NetBSD: t_compat.c,v 1.1 2010/11/07 19:53:42 pooka Exp $	*/
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include "../config/netconfig.c"
+
+/*
+ * Test for stack smashing in compat ioctl handling.  Adapted as an
+ * atf test from code provided by Onno van der Linden in PR kern/44054
+ */
+
+struct oifreq {
+        char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
+        union {
+                struct  sockaddr ifru_addr;
+                struct  sockaddr ifru_dstaddr;
+                struct  sockaddr ifru_broadaddr;
+                short   ifru_flags;  
+                int     ifru_metric;
+                int     ifru_mtu; 
+                int     ifru_dlt;
+                u_int   ifru_value;
+                void *  ifru_data;
+                struct {
+                        uint32_t        b_buflen;
+                        void            *b_buf;
+                } ifru_b;
+        } ifr_ifru;
+};      
+#define OOSIOCGIFBRDADDR _IOWR('i', 18, struct oifreq)
+
+ATF_TC(OOSIOCGIFBRDADDR);
+ATF_TC_HEAD(OOSIOCGIFBRDADDR, tc)
+{
+
+	atf_tc_set_md_var(tc, "descr", "Checks that OOSIOCGIFBRDADDR works "
+	    "(PR kern/44054)");
+}
+
+ATF_TC_BODY(OOSIOCGIFBRDADDR, tc)
+{
+        int fd, ifnum;
+        struct oifreq ifreq;
+        struct sockaddr_in *sin;
+	int rv;
+
+        memset(&ifreq,'\0',sizeof ifreq);
+
+	rump_init();
+
+	/* create an interface and give it netmask 0xffff0000 */
+	rv = rump_pub_shmif_create("bus", &ifnum);
+	if (rv)
+		atf_tc_fail("failed to create shmif: %s", strerror(rv));
+	sprintf(ifreq.ifr_name, "shmif%d", ifnum);
+	netcfg_rump_if(ifreq.ifr_name, "1.7.64.10", "255.255.0.0");
+
+	/* query kernel for iface bcast */
+        RL(fd = rump_sys_socket(AF_INET, SOCK_DGRAM, 0));
+        RL(rump_sys_ioctl(fd, OOSIOCGIFBRDADDR, &ifreq));
+
+	/* make sure we got what we deserve */
+        sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
+	ATF_REQUIRE_EQ(sin->sin_addr.s_addr, htonl(0x0107ffff));
+        rump_sys_close(fd);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, OOSIOCGIFBRDADDR);
+	return atf_no_error();
+}