diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_revoke.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_revoke.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_revoke.c b/contrib/netbsd-tests/lib/libc/sys/t_revoke.c new file mode 100644 index 000000000000..926d27406aa2 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_revoke.c @@ -0,0 +1,195 @@ +/* $NetBSD: t_revoke.c,v 1.1 2011/07/07 06:57:54 jruoho 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. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_revoke.c,v 1.1 2011/07/07 06:57:54 jruoho Exp $"); + +#include <sys/resource.h> +#include <sys/wait.h> + +#include <atf-c.h> +#include <fcntl.h> +#include <errno.h> +#include <pwd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static const char path[] = "revoke"; + +ATF_TC_WITH_CLEANUP(revoke_basic); +ATF_TC_HEAD(revoke_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of revoke(2)"); +} + +ATF_TC_BODY(revoke_basic, tc) +{ + struct rlimit res; + char tmp[10]; + size_t i, n; + int *buf; + +#ifdef __FreeBSD__ + atf_tc_skip("revoke(2) is only implemented for devfs(5)."); +#endif + (void)memset(&res, 0, sizeof(struct rlimit)); + (void)getrlimit(RLIMIT_NOFILE, &res); + + if ((n = res.rlim_cur / 10) == 0) + n = 10; + + buf = calloc(n, sizeof(int)); + ATF_REQUIRE(buf != NULL); + + buf[0] = open(path, O_RDWR | O_CREAT, 0600); + ATF_REQUIRE(buf[0] >= 0); + + for (i = 1; i < n; i++) { + buf[i] = open(path, O_RDWR); + ATF_REQUIRE(buf[i] >= 0); + } + + ATF_REQUIRE(revoke(path) == 0); + + for (i = 0; i < n; i++) { + + ATF_REQUIRE(read(buf[i], tmp, sizeof(tmp)) == -1); + + (void)close(buf[i]); + } + + free(buf); + + (void)unlink(path); +} + +ATF_TC_CLEANUP(revoke_basic, tc) +{ + (void)unlink(path); +} + +ATF_TC(revoke_err); +ATF_TC_HEAD(revoke_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test errors from revoke(2)"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} + +ATF_TC_BODY(revoke_err, tc) +{ + char buf[1024 + 1]; /* XXX: From the manual page... */ + + (void)memset(buf, 'x', sizeof(buf)); + + errno = 0; + ATF_REQUIRE_ERRNO(EFAULT, revoke((char *)-1) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(ENAMETOOLONG, revoke(buf) == -1); + +#ifdef __FreeBSD__ + atf_tc_skip("revoke(2) is only implemented for devfs(5)."); +#endif + errno = 0; + ATF_REQUIRE_ERRNO(EPERM, revoke("/etc/passwd") == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(ENOENT, revoke("/etc/xxx/yyy") == -1); +} + +ATF_TC_WITH_CLEANUP(revoke_perm); +ATF_TC_HEAD(revoke_perm, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test permissions revoke(2)"); + atf_tc_set_md_var(tc, "require.user", "root"); +} + +ATF_TC_BODY(revoke_perm, tc) +{ + struct passwd *pw; + int fd, sta; + pid_t pid; + +#ifdef __FreeBSD__ + atf_tc_skip("revoke(2) is only implemented for devfs(5)."); +#endif + pw = getpwnam("nobody"); + fd = open(path, O_RDWR | O_CREAT, 0600); + + ATF_REQUIRE(fd >= 0); + ATF_REQUIRE(pw != NULL); + ATF_REQUIRE(revoke(path) == 0); + + pid = fork(); + ATF_REQUIRE(pid >= 0); + + if (pid == 0) { + + if (setuid(pw->pw_uid) != 0) + _exit(EXIT_FAILURE); + + errno = 0; + + if (revoke(path) == 0) + _exit(EXIT_FAILURE); + + if (errno != EACCES) + _exit(EXIT_FAILURE); + + if (close(fd) != 0) + _exit(EXIT_FAILURE); + + _exit(EXIT_SUCCESS); + } + + (void)wait(&sta); + + if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) + atf_tc_fail("revoke(2) did not obey permissions"); + + ATF_REQUIRE(unlink(path) == 0); +} + +ATF_TC_CLEANUP(revoke_perm, tc) +{ + (void)unlink(path); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, revoke_basic); + ATF_TP_ADD_TC(tp, revoke_err); + ATF_TP_ADD_TC(tp, revoke_perm); + + return atf_no_error(); +} |