/* $NetBSD: t_proc2.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $ */ /*- * Copyright (c) 2008 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Peter Werner . * * 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 __COPYRIGHT("@(#) Copyright (c) 2008\ The NetBSD Foundation, inc. All rights reserved."); __RCSID("$NetBSD: t_proc2.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $"); #include #include #include #include #include #include #include #include #include #include #include "../../h_macros.h" static void child_two(void) { _exit(EXIT_SUCCESS); } static void child_one(void) { pid_t pid; struct passwd *pwd; const char *nam = "nobody"; pwd = getpwnam(nam); if (pwd == NULL) err(EXIT_FAILURE, "getpwnam(\"%s\")", nam); if ((setuid(pwd->pw_uid)) == -1) err(EXIT_FAILURE, "setuid(%d)", pwd->pw_uid); pid = fork(); if (pid == -1) err(EXIT_FAILURE, "fork()"); if (pid == 0) child_two(); _exit(EXIT_SUCCESS); } ATF_TC(proc2); ATF_TC_HEAD(proc2, tc) { atf_tc_set_md_var(tc, "require.user", "root"); atf_tc_set_md_var(tc, "descr", "Checks EVFILT_PROC for NOTE_FORK|NOTE_TRACK error path problem " "fixed in rev. 1.1.1.1.2.17 of sys/kern/kern_event.c"); } ATF_TC_BODY(proc2, tc) { pid_t pid = 0; int kq, status; struct kevent ke; struct timespec timeout; RL(kq = kqueue()); timeout.tv_sec = 0; timeout.tv_nsec = 0; RL(pid = fork()); if (pid == 0) { (void)sleep(1); /* let parent set kevent */ child_one(); /* NOTREACHED */ } EV_SET(&ke, pid, EVFILT_PROC, EV_ADD, NOTE_FORK|NOTE_TRACK, 0, 0); RL(kevent(kq, &ke, 1, NULL, 0, &timeout)); (void)sleep(2); ke.ident = 0; ke.fflags = 0; ke.flags = EV_ENABLE; RL(kevent(kq, NULL, 0, &ke, 1, &timeout)); RL(close(kq)); RL(waitpid(pid, &status, 0)); ATF_REQUIRE(WIFEXITED(status)); ATF_REQUIRE_EQ(WEXITSTATUS(status), EXIT_SUCCESS); /* * we are expecting an error here as we should not have * been able to add a knote to child 2. */ ATF_REQUIRE(ke.fflags & NOTE_TRACKERR); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, proc2); return atf_no_error(); }