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/* $NetBSD: t_ptm.c,v 1.1 2011/01/13 03:19:57 pgoyette Exp $ */
/*
* Copyright (c) 2004, 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_ptm.c,v 1.1 2011/01/13 03:19:57 pgoyette Exp $");
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
#define REQUIRE_ERRNO(x, v) \
ATF_REQUIRE_MSG(x != v, "%s: %s", #x, strerror(errno))
ATF_TC(ptm);
ATF_TC_HEAD(ptm, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks /dev/ptm device");
}
ATF_TC_BODY(ptm, tc)
{
struct stat stm, sts;
struct ptmget ptm;
int fdm;
struct group *gp;
if ((fdm = open("/dev/ptm", O_RDWR)) == -1) {
if (errno == ENOENT || errno == ENODEV)
atf_tc_skip("/dev/ptm: %s", strerror(errno));
atf_tc_fail("/dev/ptm: %s", strerror(errno));
}
REQUIRE_ERRNO(fstat(fdm, &stm), -1);
ATF_REQUIRE_EQ(major(stm.st_rdev), 165);
REQUIRE_ERRNO(ioctl(fdm, TIOCPTMGET, &ptm), -1);
ATF_REQUIRE_MSG(strncmp(ptm.cn, "/dev/pty", 8) == 0
|| strncmp(ptm.cn, "/dev/null", 9) == 0,
"bad master name: %s", ptm.cn);
ATF_REQUIRE_MSG(strncmp(ptm.sn, "/dev/tty", 8) == 0
|| strncmp(ptm.sn, "/dev/pts/", 9) == 0,
"bad slave name: %s", ptm.sn);
if (strncmp(ptm.cn, "/dev/null", 9) != 0) {
REQUIRE_ERRNO(fstat(ptm.cfd, &stm), -1);
REQUIRE_ERRNO(stat(ptm.cn, &sts), -1);
ATF_REQUIRE_EQ(stm.st_rdev, sts.st_rdev);
}
REQUIRE_ERRNO(fstat(ptm.sfd, &stm), -1);
REQUIRE_ERRNO(stat(ptm.sn, &sts), -1);
ATF_REQUIRE_EQ(stm.st_rdev, sts.st_rdev);
ATF_REQUIRE_EQ_MSG(sts.st_uid, getuid(), "bad slave uid");
ATF_REQUIRE_MSG((gp = getgrnam("tty")) != NULL,
"cannot find `tty' group");
ATF_REQUIRE_EQ_MSG(sts.st_gid, gp->gr_gid, "bad slave grid");
(void)close(ptm.sfd);
(void)close(ptm.cfd);
(void)close(fdm);
}
/*
* On NetBSD /dev/ptyp0 == /dev/pts/0 so we can check for major
* and minor device numbers. This check is non-portable. This
* check is now disabled because we might not have /dev/ptyp0
* at all.
*/
/*
* #define PTY_DEVNO_CHECK
*/
ATF_TC(ptmx);
ATF_TC_HEAD(ptmx, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks /dev/ptmx device");
}
ATF_TC_BODY(ptmx, tc)
{
struct stat stm, sts;
char *pty;
int fdm, fds;
struct group *gp;
if ((fdm = posix_openpt(O_RDWR|O_NOCTTY)) == -1) {
if (errno == ENOENT || errno == ENODEV)
atf_tc_skip("/dev/ptmx: %s", strerror(errno));
atf_tc_fail("/dev/ptmx: %s", strerror(errno));
}
REQUIRE_ERRNO(fstat(fdm, &stm), -1);
#ifdef PTY_DEVNO_CHECK
REQUIRE_ERRNO(stat("/dev/ptyp0", &sts), -1);
ATF_REQUIRE_EQ_MSG(major(stm.st_rdev), major(sts.st_rdev),
"bad master major number");
#endif
REQUIRE_ERRNO(grantpt(fdm), -1);
REQUIRE_ERRNO(unlockpt(fdm), -1);
REQUIRE_ERRNO((pty = ptsname(fdm)), NULL);
REQUIRE_ERRNO((fds = open(pty, O_RDWR|O_NOCTTY)), -1);
REQUIRE_ERRNO(fstat(fds, &sts), -1);
#ifdef PTY_DEVNO_CHECK
ATF_REQUIRE_EQ_MSG(minor(stm.st_rdev), minor(sts.st_rdev),
"bad slave minor number");
#endif
ATF_REQUIRE_EQ_MSG(sts.st_uid, getuid(), "bad slave uid");
ATF_REQUIRE_MSG((gp = getgrnam("tty")) != NULL,
"cannot find `tty' group");
ATF_REQUIRE_EQ_MSG(sts.st_gid, gp->gr_gid, "bad slave gid");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, ptm);
ATF_TP_ADD_TC(tp, ptmx);
return atf_no_error();
}
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