add regress test on bind(2)ing with broadcast and inexistant addresses

2 files changed, 129 insertions, 0 deletions

diff --git a/regress/sys/netinet/broadcast_bind/Makefile b/regress/sys/netinet/broadcast_bind/Makefile
new file mode 100644
index 00000000000..13f0ea26a66
--- /dev/null
+++ b/regress/sys/netinet/broadcast_bind/Makefile
@@ -0,0 +1,16 @@
+# $OpenBSD: Makefile,v 1.1 2015/10/27 16:05:54 vgross Exp $
+
+PROG	 = broadcast_bind
+IFACE	 = vether11
+INSFX	!= jot -s '.' -r 2 0 255
+INADDR	 = 10.${INSFX}.11
+BADADDR	 = 10.${INSFX}.22
+BCADDR	 = 10.${INSFX}.255
+
+run-regress-broadcast_bind: ${PROG}
+	ifconfig ${IFACE} create
+	ifconfig ${IFACE} inet ${INADDR}/24 up
+	${.OBJDIR}/broadcast_bind ${INADDR} ${BADADDR} ${BCADDR}
+	ifconfig ${IFACE} destroy
+
+.include <bsd.regress.mk>
diff --git a/regress/sys/netinet/broadcast_bind/broadcast_bind.c b/regress/sys/netinet/broadcast_bind/broadcast_bind.c
new file mode 100644
index 00000000000..da80369c470
--- /dev/null
+++ b/regress/sys/netinet/broadcast_bind/broadcast_bind.c
@@ -0,0 +1,113 @@
+/* $OpenBSD: broadcast_bind.c,v 1.1 2015/10/27 16:05:54 vgross Exp $ */
+
+/*
+ * Copyright (c) 2015 Vincent Gross <vgross@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <arpa/inet.h>
+
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+
+
+int test_result = EXIT_SUCCESS;
+
+void
+test_bind(char *paddr, struct in_addr *addr, u_int16_t port, int type, int expected_errno)
+{
+	int s, rc;
+	struct sockaddr_in sin;
+
+	bzero(&sin, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_len = sizeof(sin);
+	sin.sin_port = htons(port);
+	memcpy(&sin.sin_addr, addr, sizeof(*addr));
+
+	s = socket(PF_INET, type, 0);
+	if (s < 0) {
+		warn("socket(PF_INET, %d, 0)", type);
+		test_result = EXIT_FAILURE;
+		return;
+	}
+
+	rc = bind(s, (struct sockaddr *)&sin, sin.sin_len);
+	if ((rc == 0 && expected_errno == 0) ||
+	    (rc != 0 && expected_errno == errno)) {
+		close(s);
+		return;
+	}
+		
+	warn("bind(%s,%d) (type %d) expected %d, got %d", paddr, port, type, expected_errno, errno);
+	test_result = EXIT_FAILURE;
+	close(s);
+	return;
+}
+
+int
+main(int argc, char *argv[])
+{
+	int rc;
+	struct in_addr uc_addr, err_addr, bc_addr;
+	int port = 30000;
+
+	if (argc != 4)
+		errx(EXIT_FAILURE, "needs 2 arguments: <unicast> <error> <broadcast>");
+
+	rc = inet_pton(AF_INET, argv[1], &uc_addr);
+	if (rc != 1) {
+		if (rc)
+			err(EXIT_FAILURE, "inet_pton(unicast)");
+		else
+			errx(EXIT_FAILURE, "inet_pton(unicast): error parsing %s",
+			    argv[1]);
+	}
+	rc = inet_pton(AF_INET, argv[2], &err_addr);
+	if (rc != 1) {
+		if (rc)
+			err(EXIT_FAILURE, "inet_pton(error)");
+		else
+			errx(EXIT_FAILURE, "inet_pton(error): error parsing %s",
+			    argv[2]);
+	}
+	rc = inet_pton(AF_INET, argv[3], &bc_addr);
+	if (rc != 1) {
+		if (rc)
+			err(EXIT_FAILURE, "inet_pton(broadcast)");
+		else
+			errx(EXIT_FAILURE, "inet_pton(broadcast): error parsing %s",
+			    argv[3]);
+	}
+
+	test_result = EXIT_SUCCESS;
+
+	test_bind(argv[1], &uc_addr, port, SOCK_STREAM, 0);
+	test_bind(argv[2], &err_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+	test_bind(argv[3], &bc_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+
+	test_bind(argv[1], &uc_addr, port, SOCK_DGRAM, 0);
+	test_bind(argv[2], &err_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+	test_bind(argv[3], &bc_addr, port, SOCK_DGRAM, 0);
+
+	return test_result;
+}