minix/tests/lib/libc/gen/t_getgrent.c

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/* $NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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.
*/
/*
* Copyright (c) 2009, Stathis Kamperis
* All rights reserved.
*
* 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDERS 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>
__RCSID("$NetBSD: t_getgrent.c,v 1.2 2011/05/11 19:06:45 njoly Exp $");
#include <sys/wait.h>
#include <atf-c.h>
#include <grp.h>
#include <stdlib.h>
#include <unistd.h>
ATF_TC(getgrent_loop);
ATF_TC_HEAD(getgrent_loop, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sequential getgrent(2)");
}
ATF_TC_BODY(getgrent_loop, tc)
{
struct group *gr;
size_t i, j;
/*
* Loop over the group database. The first
* call returns the first entry and subsequent
* calls return the rest of the entries.
*/
i = j = 0;
while((gr = getgrent()) != NULL)
i++;
/*
* Rewind the database to the beginning
* and loop over again until the end.
*/
setgrent();
while((gr = getgrent()) != NULL)
j++;
if (i != j)
atf_tc_fail("sequential getgrent(3) failed");
/*
* Close the database and reopen it.
* The getgrent(3) call should always
* automatically rewind the database.
*/
endgrent();
j = 0;
while((gr = getgrent()) != NULL)
j++;
if (i != j)
atf_tc_fail("getgrent(3) did not rewind");
}
ATF_TC(getgrent_setgid);
ATF_TC_HEAD(getgrent_setgid, tc)
{
atf_tc_set_md_var(tc, "descr", "Test consistency of the group db");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(getgrent_setgid, tc)
{
struct group *gr, *gr1, *gr2;
int rv, sta;
pid_t pid;
/*
* Verify that the database is consistent.
*
* Note that because of the static buffers
* used by getgrent(3), fork(2) is required,
* even without the setgid(2) check.
*/
while((gr = getgrent()) != NULL) {
pid = fork();
ATF_REQUIRE(pid >= 0);
if (pid == 0) {
gr1 = getgrgid(gr->gr_gid);
if (gr1 == NULL)
_exit(EXIT_FAILURE);
gr2 = getgrnam(gr->gr_name);
if (gr2 == NULL)
_exit(EXIT_FAILURE);
rv = setgid(gr->gr_gid);
if (rv != 0)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
(void)wait(&sta);
if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
goto fail;
}
return;
fail:
atf_tc_fail("group database is inconsistent");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, getgrent_loop);
ATF_TP_ADD_TC(tp, getgrent_setgid);
return atf_no_error();
}