Add minimal socketpair() regression test to confirm that we can create

(and close) PF_UNIX socket pairs, and that we can't create PF_INET
socket pairs.  More tests to follow.

2 files changed, 139 insertions, 0 deletions

diff --git a/tools/regression/sockets/socketpair/Makefile b/tools/regression/sockets/socketpair/Makefile
new file mode 100644
index 0000000..bf389c9
--- /dev/null
+++ b/tools/regression/sockets/socketpair/Makefile
@@ -0,0 +1,11 @@
+#
+# $FreeBSD$
+#
+
+PROG=	socketpair
+NOMAN=	yes
+
+socketpair: socketpair.c
+	gcc -Wall -o socketpair socketpair.c
+
+.include <bsd.prog.mk>
diff --git a/tools/regression/sockets/socketpair/socketpair.c b/tools/regression/sockets/socketpair/socketpair.c
new file mode 100644
index 0000000..a1d0946
--- /dev/null
+++ b/tools/regression/sockets/socketpair/socketpair.c
@@ -0,0 +1,128 @@
+/*-
+ * Copyright (c) 2004 Robert N. M. Watson
+ * 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 AND CONTRIBUTORS ``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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Open, then close a set of UNIX domain socket pairs for datagram and
+ * stream.
+ *
+ * Confirm that we can't open INET datagram or stream socket pairs.
+ *
+ * More tests should be added, including confirming that sending on either
+ * endpoint results in data at the other, that the right kind of socket was
+ * created (stream vs. datagram), and that message boundaries fall in the
+ * right places.
+ */
+int
+main(int argc, char *argv[])
+{
+	int sv[2];
+
+	/*
+	 * UNIX domain socket pair, datagram.
+	 */
+	if (socketpair(PF_UNIX, SOCK_DGRAM, 0, sv) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM): %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (close(sv[0]) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM) close 0: %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (close(sv[1]) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM) close 1: %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+
+	/*
+	 * UNIX domain socket pair, stream.
+	 */
+	if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM): %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (close(sv[0]) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM) close 0: %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (close(sv[1]) != 0) {
+		fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM) close 1: "
+		    "%s\n", strerror(errno));
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+
+	/*
+	 * Confirm that PF_INET datagram socket pair creation fails.
+	 */
+	if (socketpair(PF_INET, SOCK_DGRAM, 0, sv) == 0) {
+		fprintf(stderr, "socketpair(PF_INET, SOCK_DGRAM): opened\n");
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (errno != EOPNOTSUPP) {
+		fprintf(stderr, "socketpair(PF_INET, SOCK_DGRAM): %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+	}
+
+	/*
+	 * Confirm that PF_INET stream socket pair creation fails.
+	 */
+	if (socketpair(PF_INET, SOCK_STREAM, 0, sv) == 0) {
+		fprintf(stderr, "socketpair(PF_INET, SOCK_STREAM): opened\n");
+		fprintf(stderr, "FAIL\n");
+		exit(-1);
+	}
+	if (errno != EOPNOTSUPP) {
+		fprintf(stderr, "socketpair(PF_INET, SOCK_STREAM): %s\n",
+		    strerror(errno));
+		fprintf(stderr, "FAIL\n");
+	}
+
+	fprintf(stderr, "PASS\n");
+	exit(0);
+}