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t_rnd.c revision 1.5 
      1 /*	$NetBSD: t_rnd.c,v 1.5 2012/03/18 09:46:50 jruoho Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2009 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 CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __RCSID("$NetBSD: t_rnd.c,v 1.5 2012/03/18 09:46:50 jruoho Exp $");
     31 
     32 #include <sys/types.h>
     33 #include <sys/fcntl.h>
     34 #include <sys/ioctl.h>
     35 #include <sys/rnd.h>
     36 
     37 #include <atf-c.h>
     38 
     39 #include <rump/rump.h>
     40 #include <rump/rump_syscalls.h>
     41 
     42 #include "../h_macros.h"
     43 
     44 ATF_TC(RNDADDDATA);
     45 ATF_TC_HEAD(RNDADDDATA, tc)
     46 {
     47 	atf_tc_set_md_var(tc, "descr",
     48 	    "Checks ioctl(RNDADDDATA) (PR kern/42020)");
     49 }
     50 
     51 /* Adapted from example provided by Juho Salminen in the noted PR. */
     52 ATF_TC_BODY(RNDADDDATA, tc)
     53 {
     54 	rnddata_t rd;
     55 	int fd;
     56 
     57 	rump_init();
     58 	fd = rump_sys_open("/dev/random", O_RDWR, 0);
     59 	if (fd == -1)
     60 		atf_tc_fail_errno("cannot open /dev/random");
     61 
     62 	rd.entropy = 1;
     63 	rd.len = 1;
     64 	if (rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1)
     65 		atf_tc_fail_errno("RNDADDDATA");
     66 }
     67 
     68 ATF_TC(RNDADDDATA2);
     69 ATF_TC_HEAD(RNDADDDATA2, tc)
     70 {
     71 	atf_tc_set_md_var(tc, "descr", "checks ioctl(RNDADDDATA) deals with "
     72 	    "garbage len field");
     73 }
     74 ATF_TC_BODY(RNDADDDATA2, tc)
     75 {
     76 	rnddata_t rd;
     77 	int fd;
     78 
     79 	rump_init();
     80 	fd = rump_sys_open("/dev/random", O_RDWR, 0);
     81 	if (fd == -1)
     82 		atf_tc_fail_errno("cannot open /dev/random");
     83 
     84 	rd.entropy = 1;
     85 	rd.len = -1;
     86 	ATF_REQUIRE_ERRNO(EINVAL, rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1);
     87 }
     88 
     89 ATF_TP_ADD_TCS(tp)
     90 {
     91 	ATF_TP_ADD_TC(tp, RNDADDDATA);
     92 	ATF_TP_ADD_TC(tp, RNDADDDATA2);
     93 
     94 	return atf_no_error();
     95 }
     96