diff options
author | Enji Cooper <ngie@FreeBSD.org> | 2014-10-01 04:07:17 +0000 |
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committer | Enji Cooper <ngie@FreeBSD.org> | 2014-10-01 04:07:17 +0000 |
commit | 478290db20b28ab28ce7e08cf33f1b44d82e4cb3 (patch) | |
tree | b31430c773d683d336caf956649e9ed3f459369c /lib/libc/c063/t_o_search.c |
Notes
Diffstat (limited to 'lib/libc/c063/t_o_search.c')
-rw-r--r-- | lib/libc/c063/t_o_search.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/lib/libc/c063/t_o_search.c b/lib/libc/c063/t_o_search.c new file mode 100644 index 0000000000000..d9dbe19e899f8 --- /dev/null +++ b/lib/libc/c063/t_o_search.c @@ -0,0 +1,278 @@ +/* $NetBSD: t_o_search.c,v 1.4 2013/03/17 04:46:06 jmmv Exp $ */ + +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Emmanuel Dreyfus. + * + * 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_o_search.c,v 1.4 2013/03/17 04:46:06 jmmv Exp $"); + +#include <atf-c.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <paths.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <pwd.h> +#include <sys/param.h> + +/* + * dholland 20130112: disable tests that require O_SEARCH semantics + * until a decision is reached about the semantics of O_SEARCH and a + * non-broken implementation is available. + */ +#if (O_MASK & O_SEARCH) != 0 +#define USE_O_SEARCH +#endif + +#define DIR "dir" +#define FILE "dir/o_search" +#define BASEFILE "o_search" + + +ATF_TC(o_search_perm1); +ATF_TC_HEAD(o_search_perm1, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that openat enforces search permission"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} +ATF_TC_BODY(o_search_perm1, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) == -1); + ATF_REQUIRE(errno == EACCES); + + ATF_REQUIRE(close(dfd) == 0); +} + +#ifdef USE_O_SEARCH + +ATF_TC(o_search_root_flag1); +ATF_TC_HEAD(o_search_root_flag1, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that root openat honours O_SEARCH"); + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(o_search_root_flag1, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY|O_SEARCH, 0)) != -1); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE(fchmod(dfd, 444) == 0); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + + ATF_REQUIRE(close(dfd) == 0); +} + +ATF_TC(o_search_unpriv_flag1); +ATF_TC_HEAD(o_search_unpriv_flag1, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that openat honours O_SEARCH"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} +ATF_TC_BODY(o_search_unpriv_flag1, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY|O_SEARCH, 0)) != -1); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE(fchmod(dfd, 444) == 0); + + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1); + + ATF_REQUIRE(close(dfd) == 0); +} + +#endif /* USE_O_SEARCH */ + +ATF_TC(o_search_perm2); +ATF_TC_HEAD(o_search_perm2, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that faccessat enforces search permission"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} +ATF_TC_BODY(o_search_perm2, tc) +{ + int dfd; + int fd; + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == -1); + ATF_REQUIRE(errno == EACCES); + + ATF_REQUIRE(close(dfd) == 0); +} + +#ifdef USE_O_SEARCH + +ATF_TC(o_search_root_flag2); +ATF_TC_HEAD(o_search_root_flag2, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that root fstatat honours O_SEARCH"); + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(o_search_root_flag2, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY|O_SEARCH, 0)) != -1); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(fchmod(dfd, 444) == 0); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(close(dfd) == 0); +} + +ATF_TC(o_search_unpriv_flag2); +ATF_TC_HEAD(o_search_unpriv_flag2, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that fstatat honours O_SEARCH"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} +ATF_TC_BODY(o_search_unpriv_flag2, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); + ATF_REQUIRE(close(fd) == 0); + + ATF_REQUIRE((dfd = open(DIR, O_RDONLY|O_SEARCH, 0)) != -1); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(fchmod(dfd, 644) == 0); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(fchmod(dfd, 444) == 0); + + ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0); + + ATF_REQUIRE(close(dfd) == 0); +} + +#endif /* USE_O_SEARCH */ + + +ATF_TC(o_search_notdir); +ATF_TC_HEAD(o_search_notdir, tc) +{ + atf_tc_set_md_var(tc, "descr", "See that openat fails with non dir fd"); +} +ATF_TC_BODY(o_search_notdir, tc) +{ + int dfd; + int fd; + + ATF_REQUIRE(mkdir(DIR, 0755) == 0); + ATF_REQUIRE((dfd = open(FILE, O_CREAT|O_RDWR|O_SEARCH, 0644)) != -1); + ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) == -1); + ATF_REQUIRE(errno == ENOTDIR); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, o_search_perm1); +#ifdef USE_O_SEARCH + ATF_TP_ADD_TC(tp, o_search_root_flag1); + ATF_TP_ADD_TC(tp, o_search_unpriv_flag1); +#endif + ATF_TP_ADD_TC(tp, o_search_perm2); +#ifdef USE_O_SEARCH + ATF_TP_ADD_TC(tp, o_search_root_flag2); + ATF_TP_ADD_TC(tp, o_search_unpriv_flag2); +#endif + ATF_TP_ADD_TC(tp, o_search_notdir); + + return atf_no_error(); +} |