1 files changed, 135 insertions, 0 deletions

diff --git a/src/regress/lib/libc/sys/t_connect.c b/src/regress/lib/libc/sys/t_connect.c
new file mode 100644
index 0000000000..c1730a40c7
--- /dev/null
+++ b/src/regress/lib/libc/sys/t_connect.c
@@ -0,0 +1,135 @@
+/*      $OpenBSD: t_connect.c,v 1.1 2021/09/02 12:40:44 mbuhl Exp $     */
+/*      $NetBSD: t_connect.c,v 1.3 2017/01/13 20:09:48 christos Exp $   */
+/*
+ * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "macros.h"
+
+#include <sys/socket.h>
+#include <err.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#include "atf-c.h"
+
+ATF_TC(connect_low_port);
+ATF_TC_HEAD(connect_low_port, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
+            "works");
+        atf_tc_set_md_var(tc, "require.user", "root");
+}
+ATF_TC_BODY(connect_low_port, tc)
+{
+        struct sockaddr_in sin, sinlist;
+        int sd, val, slist;
+        socklen_t slen;
+
+        slist = socket(AF_INET, SOCK_STREAM, 0);
+        sd = socket(AF_INET, SOCK_STREAM, 0);
+
+        ATF_REQUIRE(sd > 0);
+        ATF_REQUIRE(slist > 0);
+
+        /* bind listening socket */
+        memset(&sinlist, 0, sizeof(sinlist));
+        sinlist.sin_family = AF_INET;
+        sinlist.sin_port = htons(31522);
+        sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
+
+        ATF_REQUIRE_EQ(bind(slist,
+            (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
+        ATF_REQUIRE_EQ(listen(slist, 1), 0);
+
+        val = IP_PORTRANGE_LOW;
+        if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
+            sizeof(val)) == -1)
+                atf_tc_fail("setsockopt failed: %s", strerror(errno));
+
+        memset(&sin, 0, sizeof(sin));
+
+        sin.sin_port = htons(31522);
+        sin.sin_addr.s_addr = inet_addr("127.0.0.1");
+        sin.sin_family = AF_INET;
+
+        if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
+                int serrno = errno;
+                atf_tc_fail("connect failed: %s%s",
+                    strerror(serrno),
+                    serrno != EACCES ? "" :
+                    " (see http://mail-index.netbsd.org/"
+                    "source-changes/2007/12/16/0011.html)");
+        }
+
+        slen = sizeof(sin);
+        ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
+        ATF_REQUIRE_EQ(slen, sizeof(sin));
+        ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
+
+        close(sd);
+        close(slist);
+}
+
+ATF_TC(connect_foreign_family);
+ATF_TC_HEAD(connect_foreign_family, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
+            "with a different address family fails");
+}
+ATF_TC_BODY(connect_foreign_family, tc)
+{
+        struct sockaddr_in addr;
+
+        /* addr.sin_family = AF_UNSPEC = 0 */
+        memset(&addr, 0, sizeof(addr));
+
+        /*
+         * it is not necessary to initialize sin_{addr,port} since
+         * those structure members shall not be accessed if connect
+         * fails correctly.
+         */
+
+        int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
+        ATF_REQUIRE(sock != -1);
+
+        ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
+        ATF_REQUIRE(EAFNOSUPPORT == errno);
+
+        close(sock);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+        ATF_TP_ADD_TC(tp, connect_low_port);
+        ATF_TP_ADD_TC(tp, connect_foreign_family);
+
+        return atf_no_error();
+}