[src/trunk]: src/tests/net/inpcb tests: import broadcast_bind.c from OpenBSD

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9788074ea819
branches:  trunk
changeset: 372349:9788074ea819
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Nov 17 08:41:16 2022 +0000

description:
tests: import broadcast_bind.c from OpenBSD

As of $OpenBSD: broadcast_bind.c,v 1.2 2015/12/02 20:45:00 mpi Exp $

diffstat:

 tests/net/inpcb/broadcast_bind.c |  109 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 109 insertions(+), 0 deletions(-)

diffs (113 lines):

diff -r 17b982731f57 -r 9788074ea819 tests/net/inpcb/broadcast_bind.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/net/inpcb/broadcast_bind.c  Thu Nov 17 08:41:16 2022 +0000
@@ -0,0 +1,109 @@
+/* $OpenBSD: broadcast_bind.c,v 1.2 2015/12/02 20:45:00 mpi Exp $ */
+
+/*
+ * Copyright (c) 2015 Vincent Gross <vgross%openbsd.org@localhost>
+ *
+ * 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_bind(char *paddr, struct in_addr *addr, u_int16_t port, int type,
+    int expected_errno)
+{
+       int s, rc;
+       struct sockaddr_in sin;
+
+       memset(&sin, 0, 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);
+               return (1);
+       }
+
+       rc = bind(s, (struct sockaddr *)&sin, sin.sin_len);
+       if ((rc == 0 && expected_errno == 0) ||
+           (rc != 0 && expected_errno == errno)) {
+               close(s);
+               return (0);
+       }
+
+       warn("bind(%s,%d) (type %d) expected %d, got %d", paddr, port, type,
+           expected_errno, errno);
+       close(s);
+
+       return (1);
+}
+
+int
+main(int argc, char *argv[])
+{
+       int rc;
+       struct in_addr uc_addr, err_addr, bc_addr;
+       int port = 30000;
+
+       if (argc != 4)
+               errx(1, "needs 2 arguments: <unicast> <error> <broadcast>");
+
+       rc = inet_pton(AF_INET, argv[1], &uc_addr);
+       if (rc != 1) {
+               if (rc)
+                       err(1, "inet_pton(unicast)");
+               else
+                       errx(1, "inet_pton(unicast): error parsing %s",
+                           argv[1]);
+       }
+       rc = inet_pton(AF_INET, argv[2], &err_addr);
+       if (rc != 1) {
+               if (rc)
+                       err(1, "inet_pton(error)");
+               else
+                       errx(1, "inet_pton(error): error parsing %s", argv[2]);
+       }
+       rc = inet_pton(AF_INET, argv[3], &bc_addr);
+       if (rc != 1) {
+               if (rc)
+                       err(1, "inet_pton(broadcast)");
+               else
+                       errx(1, "inet_pton(broadcast): error parsing %s",
+                           argv[3]);
+       }
+
+       rc = 0;
+       rc |= test_bind(argv[1], &uc_addr, port, SOCK_STREAM, 0);
+       rc |= test_bind(argv[2], &err_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+       rc |= test_bind(argv[3], &bc_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+
+       rc |= test_bind(argv[2], &err_addr, port, SOCK_STREAM, EADDRNOTAVAIL);
+       rc |= test_bind(argv[3], &bc_addr, port, SOCK_DGRAM, 0);
+
+       return (rc);
+}