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      1 /*	$NetBSD: t_fd.c,v 1.9 2023/11/24 17:31:03 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
     17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
     18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <sys/types.h>
     31 #include <sys/stat.h>
     32 #include <sys/socket.h>
     33 
     34 #include <netinet/in.h>
     35 #include <arpa/inet.h>
     36 
     37 #include <atf-c.h>
     38 #include <errno.h>
     39 #include <fcntl.h>
     40 #include <unistd.h>
     41 
     42 #include <rump/rumpclient.h>
     43 #include <rump/rump_syscalls.h>
     44 
     45 #include "h_macros.h"
     46 
     47 ATF_TC_WITH_CLEANUP(bigenough);
     48 ATF_TC_HEAD(bigenough, tc)
     49 {
     50 	atf_tc_set_md_var(tc, "descr", "Check that rumpclient uses "
     51 	    "fd > 2");
     52 }
     53 ATF_TC_WITH_CLEANUP(sigio);
     54 ATF_TC_HEAD(sigio, tc)
     55 {
     56 	atf_tc_set_md_var(tc, "descr", "Check that rump client receives "
     57 	    "SIGIO");
     58 }
     59 
     60 #define RUMPSERV "unix://socket"
     61 
     62 ATF_TC_CLEANUP(bigenough, tc){system("env RUMP_SERVER=" RUMPSERV " rump.halt");}
     63 ATF_TC_CLEANUP(sigio, tc) { system("env RUMP_SERVER=" RUMPSERV " rump.halt"); }
     64 
     65 ATF_TC_BODY(bigenough, tc)
     66 {
     67 	struct stat sb;
     68 
     69 	RL(system("rump_server " RUMPSERV));
     70 	RL(setenv("RUMP_SERVER", RUMPSERV, 1));
     71 
     72 	RL(dup2(0, 10));
     73 	RL(dup2(1, 11));
     74 	RL(dup2(2, 12));
     75 
     76 	RL(close(0));
     77 	RL(close(1));
     78 	RL(close(2));
     79 
     80 	RL(rumpclient_init());
     81 	RL(rump_sys_getpid());
     82 
     83 	ATF_REQUIRE_ERRNO(EBADF, fstat(0, &sb) == -1);
     84 	ATF_REQUIRE_ERRNO(EBADF, fstat(1, &sb) == -1);
     85 	ATF_REQUIRE_ERRNO(EBADF, fstat(2, &sb) == -1);
     86 
     87 	RL(rump_sys_getpid());
     88 
     89 	/* restore these.  does it help? */
     90 	dup2(10, 0);
     91 	dup2(11, 1);
     92 	dup2(12, 2);
     93 }
     94 
     95 static volatile sig_atomic_t sigcnt;
     96 static void
     97 gotsig(int sig)
     98 {
     99 
    100 	sigcnt++;
    101 }
    102 
    103 ATF_TC_BODY(sigio, tc)
    104 {
    105 	struct sockaddr_in sin;
    106 	int ls;
    107 	int cs;
    108 	int fl;
    109 	int sc;
    110 
    111 	signal(SIGIO, gotsig);
    112 	RL(system("rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet "
    113 	    RUMPSERV));
    114 	RL(setenv("RUMP_SERVER", RUMPSERV, 1));
    115 
    116 	RL(rumpclient_init());
    117 	RL(ls = rump_sys_socket(PF_INET, SOCK_STREAM, 0));
    118 
    119 	RL(rump_sys_fcntl(ls, F_SETOWN, rump_sys_getpid()));
    120 	RL(fl = rump_sys_fcntl(ls, F_GETFL));
    121 	RL(rump_sys_fcntl(ls, F_SETFL, fl | O_ASYNC));
    122 
    123 	memset(&sin, 0, sizeof(sin));
    124 	sin.sin_len = sizeof(sin);
    125 	sin.sin_family = AF_INET;
    126 	sin.sin_port = htons(12345);
    127 	RL(rump_sys_bind(ls, (struct sockaddr *)&sin, sizeof(sin)));
    128 	RL(rump_sys_listen(ls, 5));
    129 
    130 	RL(cs = rump_sys_socket(PF_INET, SOCK_STREAM, 0));
    131 	sin.sin_addr.s_addr = inet_addr("127.0.0.1");
    132 
    133 	ATF_REQUIRE_EQ(sigcnt, 0);
    134 	RL(rump_sys_connect(cs, (struct sockaddr *)&sin, sizeof(sin)));
    135 	sc = sigcnt;
    136 	printf("sigcnt after connect: %d\n", sc);
    137 	ATF_REQUIRE(sc >= 1);
    138 }
    139 
    140 ATF_TP_ADD_TCS(tp)
    141 {
    142 	ATF_TP_ADD_TC(tp, bigenough);
    143 	ATF_TP_ADD_TC(tp, sigio);
    144 
    145 	return atf_no_error();
    146 }
    147