Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,

minus the vendor Makefiles

Provide directions for how to bootstrap the vendor sources in
FREEBSD-upgrade

MFC after 2 weeks
Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

1 files changed, 177 insertions, 0 deletions

diff --git a/contrib/netbsd-tests/net/bpf/t_bpf.c b/contrib/netbsd-tests/net/bpf/t_bpf.c
new file mode 100644
index 0000000..95ca2fc
--- /dev/null
+++ b/contrib/netbsd-tests/net/bpf/t_bpf.c
@@ -0,0 +1,177 @@
+/*	$NetBSD: t_bpf.c,v 1.5 2012/08/14 19:40:30 alnsn Exp $	*/
+
+/*-
+ * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
+ *
+ * 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.
+ *
+ * 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 OR CONTRIBUTORS 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.
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_bpf.c,v 1.5 2012/08/14 19:40:30 alnsn Exp $");
+
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/mbuf.h>
+#include <sys/sysctl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include <net/if.h>
+#include <net/bpf.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+/* XXX: atf-c.h has collisions with mbuf */
+#undef m_type
+#undef m_data
+#include <atf-c.h>
+
+#include "../../h_macros.h"
+#include "../config/netconfig.c"
+
+ATF_TC(bpfwriteleak);
+ATF_TC_HEAD(bpfwriteleak, tc)
+{
+
+	atf_tc_set_md_var(tc, "descr", "Checks that writing to /dev/bpf "
+	    "does not leak mbufs");
+}
+
+static int
+getmtdata(void)
+{
+	struct mbstat mbstat;
+	size_t mbstatlen = sizeof(mbstat);
+	const int mbstat_mib[] = { CTL_KERN, KERN_MBUF, MBUF_STATS };
+
+	RL(rump_sys___sysctl(mbstat_mib, __arraycount(mbstat_mib),
+	    &mbstat, &mbstatlen, NULL, 0));
+	return mbstat.m_mtypes[MT_DATA];
+}
+
+ATF_TC_BODY(bpfwriteleak, tc)
+{
+	char buf[28]; /* sizeof(garbage) > etherhdrlen */
+	struct ifreq ifr;
+	int ifnum, bpfd;
+
+	RZ(rump_init());
+	RZ(rump_pub_shmif_create(NULL, &ifnum));
+	sprintf(ifr.ifr_name, "shmif%d", ifnum);
+
+	RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR));
+	RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
+	RL(rump_sys_ioctl(bpfd, BIOCSFEEDBACK, &ifr));
+
+	if (getmtdata() != 0)
+		atf_tc_fail("test precondition failed: MT_DATA mbufs != 0");
+
+	ATF_REQUIRE_ERRNO(ENETDOWN, rump_sys_write(bpfd, buf, sizeof(buf))==-1);
+
+	ATF_REQUIRE_EQ(getmtdata(), 0);
+}
+
+#if (SIZE_MAX > UINT_MAX)
+ATF_TC(bpfwritetrunc);
+ATF_TC_HEAD(bpfwritetrunc, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks that write to /dev/bpf "
+	    "does not truncate size_t to int");
+}
+
+ATF_TC_BODY(bpfwritetrunc, tc)
+{
+	int bpfd;
+	struct ifreq ifr;
+	struct iovec *iov;
+	size_t iovlen, sz;
+	const size_t extra_bytes = 28;
+	const size_t total = extra_bytes + UINT_MAX + 1;
+	long iov_max, vm_page_size; /* round_page wants vm_page_size variable */
+
+	memset(&ifr, 0, sizeof(ifr));
+
+	iov_max      = sysconf(_SC_IOV_MAX);
+	vm_page_size = sysconf(_SC_PAGE_SIZE);
+	ATF_REQUIRE(iov_max > 1 && vm_page_size > 1);
+
+	/*
+	 * Minimize memory consumption by using many iovecs
+	 * all pointing to one memory region.
+	 */
+	iov = calloc(iov_max, sizeof(struct iovec));
+	ATF_REQUIRE(iov != NULL);
+
+	sz = round_page((total + (iov_max - 1)) / iov_max);
+
+	iov[0].iov_len = sz;
+	iov[0].iov_base = mmap(NULL, sz, PROT_READ, MAP_ANON, -1, 0);
+	ATF_REQUIRE(iov[0].iov_base != MAP_FAILED);
+
+	iovlen = 1;
+	while (sz + iov[0].iov_len <= total)
+	{
+		iov[iovlen].iov_len  = iov[0].iov_len;
+		iov[iovlen].iov_base = iov[0].iov_base;
+		sz += iov[0].iov_len;
+		iovlen++;
+	}
+
+	if (sz < total)
+	{
+		iov[iovlen].iov_len = total - sz;
+		iov[iovlen].iov_base = iov[0].iov_base;
+		iovlen++;
+	}
+
+	/* Sanity checks */
+	ATF_REQUIRE(iovlen >= 1 && iovlen <= (size_t)iov_max);
+	ATF_REQUIRE_EQ(iov[iovlen-1].iov_len, total % iov[0].iov_len);
+
+	RZ(rump_init());
+	netcfg_rump_makeshmif("bpfwritetrunc", ifr.ifr_name);
+	netcfg_rump_if(ifr.ifr_name, "10.1.1.1", "255.0.0.0");
+
+	RL(bpfd = rump_sys_open("/dev/bpf", O_RDWR));
+	RL(rump_sys_ioctl(bpfd, BIOCSETIF, &ifr));
+
+	ATF_CHECK_ERRNO(EMSGSIZE, rump_sys_writev(bpfd, iov, iovlen) == -1);
+
+	munmap(iov[0].iov_base, iov[0].iov_len);
+	free(iov);
+}
+#endif /* #if (SIZE_MAX > UINT_MAX) */
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, bpfwriteleak);
+#if (SIZE_MAX > UINT_MAX)
+	ATF_TP_ADD_TC(tp, bpfwritetrunc);
+#endif
+	return atf_no_error();
+}