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t_connect.c revision 1.1.2.2
      1 /*	$NetBSD: t_connect.c,v 1.1.2.2 2011/11/10 14:31:52 yamt Exp $	*/
      2 /*
      3  * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
     16  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
     17  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
     20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     22  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     24  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <err.h>
     30 #include <errno.h>
     31 #include <string.h>
     32 #include <unistd.h>
     33 
     34 #include <arpa/inet.h>
     35 #include <netinet/in.h>
     36 
     37 #include <atf-c.h>
     38 
     39 ATF_TC(connect_low_port);
     40 ATF_TC_HEAD(connect_low_port, tc)
     41 {
     42 	atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
     43 	    "works");
     44 	atf_tc_set_md_var(tc, "require.user", "root");
     45 }
     46 ATF_TC_BODY(connect_low_port, tc)
     47 {
     48 	struct sockaddr_in sin, sinlist;
     49 	int sd, val, slist;
     50 	socklen_t slen;
     51 
     52 	slist = socket(AF_INET, SOCK_STREAM, 0);
     53 	sd = socket(AF_INET, SOCK_STREAM, 0);
     54 
     55 	/* bind listening socket */
     56 	memset(&sinlist, 0, sizeof(sinlist));
     57 	sinlist.sin_family = AF_INET;
     58 	sinlist.sin_port = htons(31522);
     59 	sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
     60 
     61 	ATF_REQUIRE_EQ(bind(slist,
     62 	    (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
     63 	ATF_REQUIRE_EQ(listen(slist, 1), 0);
     64 
     65 	val = IP_PORTRANGE_LOW;
     66 	if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
     67 	    sizeof(val)) == -1)
     68 		atf_tc_fail("setsockopt failed: %s", strerror(errno));
     69 
     70 	memset(&sin, 0, sizeof(sin));
     71 
     72 	sin.sin_port = htons(31522);
     73 	sin.sin_addr.s_addr = inet_addr("127.0.0.1");
     74 	sin.sin_family = AF_INET;
     75 
     76 	if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
     77 		int serrno = errno;
     78 		atf_tc_fail("connect failed: %s%s",
     79 		    strerror(serrno),
     80 		    serrno != EACCES ? "" :
     81 		    " (see http://mail-index.netbsd.org/"
     82 		    "source-changes/2007/12/16/0011.html)");
     83 	}
     84 
     85 	slen = sizeof(sin);
     86 	ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
     87 	ATF_REQUIRE_EQ(slen, sizeof(sin));
     88 	ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
     89 
     90 	close(sd);
     91 }
     92 
     93 ATF_TP_ADD_TCS(tp)
     94 {
     95 
     96 	ATF_TP_ADD_TC(tp, connect_low_port);
     97 
     98 	return atf_no_error();
     99 }
    100