1272343Sngie/* $NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2011 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Jukka Ruohonen. 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/* 33272343Sngie * Copyright (c) 2009, Stathis Kamperis 34272343Sngie * All rights reserved. 35272343Sngie * 36272343Sngie * Redistribution and use in source and binary forms, with or without 37272343Sngie * modification, are permitted provided that the following conditions 38272343Sngie * are met: 39272343Sngie * 1. Redistributions of source code must retain the above copyright 40272343Sngie * notice, this list of conditions and the following disclaimer. 41272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 42272343Sngie * notice, this list of conditions and the following disclaimer in the 43272343Sngie * documentation and/or other materials provided with the distribution. 44272343Sngie * 45272343Sngie * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 46272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 47272343Sngie * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 48272343Sngie * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 49272343Sngie * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 50272343Sngie * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 51272343Sngie * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 52272343Sngie * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 53272343Sngie * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 54272343Sngie * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 55272343Sngie * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56272343Sngie * SUCH DAMAGE. 57272343Sngie */ 58272343Sngie#include <sys/cdefs.h> 59272343Sngie__RCSID("$NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $"); 60272343Sngie 61272343Sngie#include <sys/wait.h> 62272343Sngie 63272343Sngie#include <atf-c.h> 64272343Sngie#include <grp.h> 65272343Sngie#include <stdlib.h> 66272343Sngie#include <unistd.h> 67272343Sngie 68272343SngieATF_TC(getgrent_loop); 69272343SngieATF_TC_HEAD(getgrent_loop, tc) 70272343Sngie{ 71272343Sngie atf_tc_set_md_var(tc, "descr", "Test sequential getgrent(2)"); 72272343Sngie} 73272343Sngie 74272343SngieATF_TC_BODY(getgrent_loop, tc) 75272343Sngie{ 76272343Sngie struct group *gr; 77272343Sngie size_t i, j; 78272343Sngie 79272343Sngie /* 80272343Sngie * Loop over the group database. The first 81272343Sngie * call returns the first entry and subsequent 82272343Sngie * calls return the rest of the entries. 83272343Sngie */ 84272343Sngie i = j = 0; 85272343Sngie 86272343Sngie while((gr = getgrent()) != NULL) 87272343Sngie i++; 88272343Sngie 89272343Sngie /* 90272343Sngie * Rewind the database to the beginning 91272343Sngie * and loop over again until the end. 92272343Sngie */ 93272343Sngie setgrent(); 94272343Sngie 95272343Sngie while((gr = getgrent()) != NULL) 96272343Sngie j++; 97272343Sngie 98272343Sngie if (i != j) 99272343Sngie atf_tc_fail("sequential getgrent(3) failed"); 100272343Sngie 101272343Sngie /* 102272343Sngie * Close the database and reopen it. 103272343Sngie * The getgrent(3) call should always 104272343Sngie * automatically rewind the database. 105272343Sngie */ 106272343Sngie endgrent(); 107272343Sngie 108272343Sngie j = 0; 109272343Sngie 110272343Sngie while((gr = getgrent()) != NULL) 111272343Sngie j++; 112272343Sngie 113272343Sngie if (i != j) 114272343Sngie atf_tc_fail("getgrent(3) did not rewind"); 115272343Sngie} 116272343Sngie 117272343SngieATF_TC(getgrent_setgid); 118272343SngieATF_TC_HEAD(getgrent_setgid, tc) 119272343Sngie{ 120272343Sngie atf_tc_set_md_var(tc, "descr", "Test consistency of the group db"); 121272343Sngie atf_tc_set_md_var(tc, "require.user", "root"); 122272343Sngie} 123272343Sngie 124272343SngieATF_TC_BODY(getgrent_setgid, tc) 125272343Sngie{ 126272343Sngie struct group *gr, *gr1, *gr2; 127272343Sngie int rv, sta; 128272343Sngie pid_t pid; 129272343Sngie 130272343Sngie /* 131272343Sngie * Verify that the database is consistent. 132272343Sngie * 133272343Sngie * Note that because of the static buffers 134272343Sngie * used by getgrent(3), fork(2) is required, 135272343Sngie * even without the setgid(2) check. 136272343Sngie */ 137272343Sngie while((gr = getgrent()) != NULL) { 138272343Sngie 139272343Sngie pid = fork(); 140272343Sngie ATF_REQUIRE(pid >= 0); 141272343Sngie 142272343Sngie if (pid == 0) { 143272343Sngie 144272343Sngie gr1 = getgrgid(gr->gr_gid); 145272343Sngie 146272343Sngie if (gr1 == NULL) 147272343Sngie _exit(EXIT_FAILURE); 148272343Sngie 149272343Sngie gr2 = getgrnam(gr->gr_name); 150272343Sngie 151272343Sngie if (gr2 == NULL) 152272343Sngie _exit(EXIT_FAILURE); 153272343Sngie 154272343Sngie rv = setgid(gr->gr_gid); 155272343Sngie 156272343Sngie if (rv != 0) 157272343Sngie _exit(EXIT_FAILURE); 158272343Sngie 159272343Sngie _exit(EXIT_SUCCESS); 160272343Sngie } 161272343Sngie 162272343Sngie (void)wait(&sta); 163272343Sngie 164272343Sngie if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) 165272343Sngie goto fail; 166272343Sngie } 167272343Sngie 168272343Sngie return; 169272343Sngie 170272343Sngiefail: 171272343Sngie atf_tc_fail("group database is inconsistent"); 172272343Sngie} 173272343Sngie 174272343SngieATF_TP_ADD_TCS(tp) 175272343Sngie{ 176272343Sngie 177272343Sngie ATF_TP_ADD_TC(tp, getgrent_loop); 178272343Sngie ATF_TP_ADD_TC(tp, getgrent_setgid); 179272343Sngie 180272343Sngie return atf_no_error(); 181272343Sngie} 182