1272343Sngie/* $NetBSD: t_ptm.c,v 1.1 2011/01/13 03:19:57 pgoyette Exp $ */ 2272343Sngie 3272343Sngie/* 4272343Sngie * Copyright (c) 2004, 2008 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Christos Zoulas. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie 32272343Sngie#include <sys/cdefs.h> 33272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\ 34272343Sngie The NetBSD Foundation, inc. All rights reserved."); 35272343Sngie__RCSID("$NetBSD: t_ptm.c,v 1.1 2011/01/13 03:19:57 pgoyette Exp $"); 36272343Sngie 37272343Sngie#include <sys/ioctl.h> 38272343Sngie#include <sys/stat.h> 39272343Sngie 40272343Sngie#include <errno.h> 41272343Sngie#include <fcntl.h> 42272343Sngie#include <grp.h> 43272343Sngie#include <stdlib.h> 44272343Sngie#include <string.h> 45272343Sngie#include <unistd.h> 46272343Sngie 47272343Sngie#include <atf-c.h> 48272343Sngie 49272343Sngie#define REQUIRE_ERRNO(x, v) \ 50272343Sngie ATF_REQUIRE_MSG(x != v, "%s: %s", #x, strerror(errno)) 51272343Sngie 52272343SngieATF_TC(ptm); 53272343Sngie 54272343SngieATF_TC_HEAD(ptm, tc) 55272343Sngie{ 56272343Sngie 57272343Sngie atf_tc_set_md_var(tc, "descr", "Checks /dev/ptm device"); 58272343Sngie} 59272343Sngie 60272343SngieATF_TC_BODY(ptm, tc) 61272343Sngie{ 62272343Sngie struct stat stm, sts; 63272343Sngie struct ptmget ptm; 64272343Sngie int fdm; 65272343Sngie struct group *gp; 66272343Sngie 67272343Sngie if ((fdm = open("/dev/ptm", O_RDWR)) == -1) { 68272343Sngie if (errno == ENOENT || errno == ENODEV) 69272343Sngie atf_tc_skip("/dev/ptm: %s", strerror(errno)); 70272343Sngie atf_tc_fail("/dev/ptm: %s", strerror(errno)); 71272343Sngie } 72272343Sngie 73272343Sngie REQUIRE_ERRNO(fstat(fdm, &stm), -1); 74272343Sngie ATF_REQUIRE_EQ(major(stm.st_rdev), 165); 75272343Sngie REQUIRE_ERRNO(ioctl(fdm, TIOCPTMGET, &ptm), -1); 76272343Sngie 77272343Sngie ATF_REQUIRE_MSG(strncmp(ptm.cn, "/dev/pty", 8) == 0 78272343Sngie || strncmp(ptm.cn, "/dev/null", 9) == 0, 79272343Sngie "bad master name: %s", ptm.cn); 80272343Sngie 81272343Sngie ATF_REQUIRE_MSG(strncmp(ptm.sn, "/dev/tty", 8) == 0 82272343Sngie || strncmp(ptm.sn, "/dev/pts/", 9) == 0, 83272343Sngie "bad slave name: %s", ptm.sn); 84272343Sngie 85272343Sngie if (strncmp(ptm.cn, "/dev/null", 9) != 0) { 86272343Sngie REQUIRE_ERRNO(fstat(ptm.cfd, &stm), -1); 87272343Sngie REQUIRE_ERRNO(stat(ptm.cn, &sts), -1); 88272343Sngie ATF_REQUIRE_EQ(stm.st_rdev, sts.st_rdev); 89272343Sngie } 90272343Sngie 91272343Sngie REQUIRE_ERRNO(fstat(ptm.sfd, &stm), -1); 92272343Sngie REQUIRE_ERRNO(stat(ptm.sn, &sts), -1); 93272343Sngie ATF_REQUIRE_EQ(stm.st_rdev, sts.st_rdev); 94272343Sngie 95272343Sngie ATF_REQUIRE_EQ_MSG(sts.st_uid, getuid(), "bad slave uid"); 96272343Sngie 97272343Sngie ATF_REQUIRE_MSG((gp = getgrnam("tty")) != NULL, 98272343Sngie "cannot find `tty' group"); 99272343Sngie ATF_REQUIRE_EQ_MSG(sts.st_gid, gp->gr_gid, "bad slave grid"); 100272343Sngie 101272343Sngie (void)close(ptm.sfd); 102272343Sngie (void)close(ptm.cfd); 103272343Sngie (void)close(fdm); 104272343Sngie} 105272343Sngie 106272343Sngie/* 107272343Sngie * On NetBSD /dev/ptyp0 == /dev/pts/0 so we can check for major 108272343Sngie * and minor device numbers. This check is non-portable. This 109272343Sngie * check is now disabled because we might not have /dev/ptyp0 110272343Sngie * at all. 111272343Sngie */ 112272343Sngie 113272343Sngie/* 114272343Sngie * #define PTY_DEVNO_CHECK 115272343Sngie */ 116272343Sngie 117272343SngieATF_TC(ptmx); 118272343Sngie 119272343SngieATF_TC_HEAD(ptmx, tc) 120272343Sngie{ 121272343Sngie 122272343Sngie atf_tc_set_md_var(tc, "descr", "Checks /dev/ptmx device"); 123272343Sngie} 124272343Sngie 125272343SngieATF_TC_BODY(ptmx, tc) 126272343Sngie{ 127272343Sngie struct stat stm, sts; 128272343Sngie char *pty; 129272343Sngie int fdm, fds; 130272343Sngie struct group *gp; 131272343Sngie 132272343Sngie if ((fdm = posix_openpt(O_RDWR|O_NOCTTY)) == -1) { 133272343Sngie if (errno == ENOENT || errno == ENODEV) 134272343Sngie atf_tc_skip("/dev/ptmx: %s", strerror(errno)); 135272343Sngie 136272343Sngie atf_tc_fail("/dev/ptmx: %s", strerror(errno)); 137272343Sngie } 138272343Sngie 139272343Sngie REQUIRE_ERRNO(fstat(fdm, &stm), -1); 140272343Sngie 141272343Sngie#ifdef PTY_DEVNO_CHECK 142272343Sngie REQUIRE_ERRNO(stat("/dev/ptyp0", &sts), -1); 143272343Sngie 144272343Sngie ATF_REQUIRE_EQ_MSG(major(stm.st_rdev), major(sts.st_rdev), 145272343Sngie "bad master major number"); 146272343Sngie#endif 147272343Sngie 148272343Sngie REQUIRE_ERRNO(grantpt(fdm), -1); 149272343Sngie REQUIRE_ERRNO(unlockpt(fdm), -1); 150272343Sngie REQUIRE_ERRNO((pty = ptsname(fdm)), NULL); 151272343Sngie 152272343Sngie REQUIRE_ERRNO((fds = open(pty, O_RDWR|O_NOCTTY)), -1); 153272343Sngie REQUIRE_ERRNO(fstat(fds, &sts), -1); 154272343Sngie 155272343Sngie#ifdef PTY_DEVNO_CHECK 156272343Sngie ATF_REQUIRE_EQ_MSG(minor(stm.st_rdev), minor(sts.st_rdev), 157272343Sngie "bad slave minor number"); 158272343Sngie#endif 159272343Sngie 160272343Sngie ATF_REQUIRE_EQ_MSG(sts.st_uid, getuid(), "bad slave uid"); 161272343Sngie ATF_REQUIRE_MSG((gp = getgrnam("tty")) != NULL, 162272343Sngie "cannot find `tty' group"); 163272343Sngie 164272343Sngie ATF_REQUIRE_EQ_MSG(sts.st_gid, gp->gr_gid, "bad slave gid"); 165272343Sngie} 166272343Sngie 167272343SngieATF_TP_ADD_TCS(tp) 168272343Sngie{ 169272343Sngie 170272343Sngie ATF_TP_ADD_TC(tp, ptm); 171272343Sngie ATF_TP_ADD_TC(tp, ptmx); 172272343Sngie 173272343Sngie return atf_no_error(); 174272343Sngie} 175