Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
/*
|
|
* Check decoding of setuid/setgid/setuid32/setgid32 syscalls.
|
|
*
|
|
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2016-2018 The strace developers.
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
void
|
|
printuid(unsigned UGID_TYPE id)
|
|
{
|
|
if (id == (unsigned UGID_TYPE) -1U)
|
|
printf("-1");
|
|
else
|
|
printf("%u", id);
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
unsigned int ugid = GETUGID;
|
|
CHECK_OVERFLOWUGID(ugid);
|
|
|
|
const long tests[] = {
|
|
ugid,
|
|
0xffff0000U | ugid,
|
|
(unsigned long) 0xffffffff00000000ULL | ugid,
|
|
0xffffU,
|
|
-1U,
|
|
-1L
|
|
};
|
|
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(tests); ++i) {
|
|
const unsigned int num = (unsigned UGID_TYPE) tests[i];
|
|
long expected;
|
|
|
|
errno = 0;
|
|
|
|
if (num == ugid)
|
|
expected = 0;
|
|
else if ((UGID_TYPE) num == (UGID_TYPE) -1U)
|
|
expected = -1;
|
|
else
|
|
continue;
|
|
|
|
const long rc = syscall(SYSCALL_NR, tests[i]);
|
|
const char *errstr = sprintrc(rc);
|
|
|
|
if (rc != expected) {
|
|
if (!i && ENOSYS == errno) {
|
|
printf("%s(%u) = %s\n",
|
|
SYSCALL_NAME, ugid, errstr);
|
|
break;
|
|
}
|
|
perror_msg_and_fail("%s(%#lx) = %ld != %ld",
|
|
SYSCALL_NAME, tests[i],
|
|
rc, expected);
|
|
}
|
|
|
|
printf("%s(", SYSCALL_NAME);
|
|
printuid(num);
|
|
printf(") = %s\n", errstr);
|
|
}
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|