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Annotation of src/tests/fs/vfs/t_unpriv.c, Revision 1.5

1.5     ! njoly       1: /*     $NetBSD: t_unpriv.c,v 1.4 2012/01/31 19:02:49 njoly Exp $       */
1.1       njoly       2:
                      3: /*-
                      4:  * Copyright (c) 2011 The NetBSD Foundation, Inc.
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     17:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     18:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     19:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     20:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     21:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     22:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     23:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     24:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     25:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     26:  * POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: #include <atf-c.h>
1.5     ! njoly      30: #include <libgen.h>
1.1       njoly      31: #include <unistd.h>
                     32:
                     33: #include <rump/rump_syscalls.h>
                     34: #include <rump/rump.h>
                     35:
                     36: #include "../common/h_fsmacros.h"
                     37: #include "../../h_macros.h"
                     38:
1.2       njoly      39: #define USES_OWNER                                                      \
1.4       njoly      40:        if (FSTYPE_MSDOS(tc))                                            \
1.1       njoly      41:            atf_tc_skip("owner not supported by file system")
                     42:
                     43: static void
                     44: owner(const atf_tc_t *tc, const char *mp)
                     45: {
                     46:
1.2       njoly      47:        USES_OWNER;
1.1       njoly      48:
                     49:        FSTEST_ENTER();
                     50:
                     51:        rump_pub_lwproc_rfork(RUMP_RFCFDG);
                     52:        if (rump_sys_setuid(1) == -1)
                     53:                atf_tc_fail_errno("setuid");
                     54:         if (rump_sys_chown(".", 1, -1) != -1 || errno != EPERM)
                     55:                atf_tc_fail_errno("chown");
                     56:         if (rump_sys_chmod(".", 0000) != -1 || errno != EPERM)
                     57:                 atf_tc_fail_errno("chmod");
                     58:        rump_pub_lwproc_releaselwp();
                     59:
                     60:        if (rump_sys_chown(".", 1, -1) == -1)
                     61:                atf_tc_fail_errno("chown");
                     62:
                     63:        rump_pub_lwproc_rfork(RUMP_RFCFDG);
                     64:        if (rump_sys_setuid(1) == -1)
                     65:                atf_tc_fail_errno("setuid");
                     66:         if (rump_sys_chown(".", 1, -1) == -1)
                     67:                atf_tc_fail_errno("chown");
                     68:         if (rump_sys_chmod(".", 0000) == -1)
                     69:                 atf_tc_fail_errno("chmod");
                     70:        rump_pub_lwproc_releaselwp();
                     71:
                     72:        FSTEST_EXIT();
                     73: }
                     74:
1.5     ! njoly      75: static void
        !            76: dirperms(const atf_tc_t *tc, const char *mp)
        !            77: {
        !            78:        char name[] = "dir.test/file.test";
        !            79:        char *dir = dirname(name);
        !            80:        int fd;
        !            81:
        !            82:        if (FSTYPE_SYSVBFS(tc))
        !            83:                atf_tc_skip("directories not supported by file system");
        !            84:
        !            85:        FSTEST_ENTER();
        !            86:
        !            87:        if (rump_sys_mkdir(dir, 0777) == -1)
        !            88:                atf_tc_fail_errno("mkdir");
        !            89:
        !            90:        rump_pub_lwproc_rfork(RUMP_RFCFDG);
        !            91:        if (rump_sys_setuid(1) == -1)
        !            92:                atf_tc_fail_errno("setuid");
        !            93:         if (rump_sys_open(name, O_RDWR|O_CREAT, 0666) != -1 || errno != EACCES)
        !            94:                atf_tc_fail_errno("open");
        !            95:        rump_pub_lwproc_releaselwp();
        !            96:
        !            97:        if ((fd = rump_sys_open(name, O_RDWR|O_CREAT, 0666)) == -1)
        !            98:                atf_tc_fail_errno("open");
        !            99:        if (rump_sys_close(fd) == -1)
        !           100:                atf_tc_fail_errno("close");
        !           101:
        !           102:        rump_pub_lwproc_rfork(RUMP_RFCFDG);
        !           103:        if (rump_sys_setuid(1) == -1)
        !           104:                atf_tc_fail_errno("setuid");
        !           105:         if (rump_sys_unlink(name) != -1 || errno != EACCES)
        !           106:                atf_tc_fail_errno("unlink");
        !           107:        rump_pub_lwproc_releaselwp();
        !           108:
        !           109:         if (rump_sys_unlink(name) == -1)
        !           110:                atf_tc_fail_errno("unlink");
        !           111:
        !           112:        if (rump_sys_rmdir(dir) == -1)
        !           113:                atf_tc_fail_errno("rmdir");
        !           114:
        !           115:        FSTEST_EXIT();
        !           116: }
1.1       njoly     117:
                    118: ATF_TC_FSAPPLY(owner, "owner unprivileged checks");
1.5     ! njoly     119: ATF_TC_FSAPPLY(dirperms, "directory permission checks");
1.1       njoly     120:
                    121: ATF_TP_ADD_TCS(tp)
                    122: {
                    123:
                    124:        ATF_TP_FSAPPLY(owner);
1.5     ! njoly     125:        ATF_TP_FSAPPLY(dirperms);
1.1       njoly     126:
                    127:        return atf_no_error();
                    128: }