/*-
* Copyright (c) 2007 Robert M. M. Watson
* All rights reserved.
*
* This software was developed by Robert N. M. Watson for the TrustedBSD
* Project.
*
* 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 AUTHOR 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 AUTHOR, NCIRCLE NETWORK SECURITY,
* INC., 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.
*/
/*
* Confirm that various UID/GID/etc-related system calls require root
* privilege in the absence of any saved/real/etc variations in the
* credential. It would be nice to also check cases where those bits of the
* credential are more interesting.
*
* XXXRW: Add support for testing more diverse real/saved scenarios.
*/
#include <sys/types.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include "main.h"
int
priv_cred_setup(int asroot, int injail, struct test *test)
{
return (0);
}
void
priv_cred_setuid(int asroot, int injail, struct test *test)
{
int error;
error = setuid(UID_OTHER);
if (asroot && injail)
expect("priv_setuid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setuid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setuid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setuid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_seteuid(int asroot, int injail, struct test *test)
{
int error;
error = seteuid(UID_OTHER);
if (asroot && injail)
expect("priv_seteuid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_seteuid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_seteuid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_seteuid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setgid(int asroot, int injail, struct test *test)
{
int error;
error = setgid(GID_OTHER);
if (asroot && injail)
expect("priv_setgid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setgid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setgid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setgid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setegid(int asroot, int injail, struct test *test)
{
int error;
error = setegid(GID_OTHER);
if (asroot && injail)
expect("priv_setegid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setegid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setegd(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setegid(!asroot, !injail)", error, -1, EPERM);
}
static const gid_t gidset[] = {GID_WHEEL, GID_OTHER};
static const int gidset_len = sizeof(gidset) / sizeof(gid_t);
void
priv_cred_setgroups(int asroot, int injail, struct test *test)
{
int error;
error = setgroups(gidset_len, gidset);
if (asroot && injail)
expect("priv_setgroups(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setgroups(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setgroups(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setgroups(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setreuid(int asroot, int injail, struct test *test)
{
int error;
error = setreuid(UID_OTHER, UID_OTHER);
if (asroot && injail)
expect("priv_setreuid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setreuid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setreuid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setreuid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setregid(int asroot, int injail, struct test *test)
{
int error;
error = setregid(GID_OTHER, GID_OTHER);
if (asroot && injail)
expect("priv_setregid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setregid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setregid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setregid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setresuid(int asroot, int injail, struct test *test)
{
int error;
error = setresuid(UID_OTHER, UID_OTHER, UID_OTHER);
if (asroot && injail)
expect("priv_setresuid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setresuid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setresuid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setresuid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_setresgid(int asroot, int injail, struct test *test)
{
int error;
error = setresgid(GID_OTHER, GID_OTHER, GID_OTHER);
if (asroot && injail)
expect("priv_setresgid(asroot, injail)", error, 0, 0);
if (asroot && !injail)
expect("priv_setresgid(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_setresgid(!asroot, injail)", error, -1, EPERM);
if (!asroot && !injail)
expect("priv_setresgid(!asroot, !injail)", error, -1, EPERM);
}
void
priv_cred_cleanup(int asroot, int injail, struct test *test)
{
}
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