strace/tests/caps.c
Dmitry V. Levin a59fcec4c9 tests: extend coverage of capget syscall
* tests/caps.c (main): Check decoding of inaccessible cap_user_header_t
and/or cap_user_data_t.
* tests/caps.awk: Update match patterns.
* tests/caps.test: Update.
2016-02-08 18:21:10 +00:00

63 lines
2.2 KiB
C

/*
* This file is part of caps strace test.
*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "tests.h"
#include <errno.h>
#include <string.h>
extern int capget(int *, int *);
extern int capset(int *, const int *);
int
main(void)
{
const int data[] = { 2, 4, 0, 8, 16, 0 };
const int v3 = 0x20080522;
int * const head = tail_alloc(sizeof(int) * 2);
head[0] = v3;
head[1] = 0;
int * const tail_data = tail_alloc(sizeof(data));
capget(NULL, NULL);
capget(head + 2, tail_data);
capget(head, tail_data + ARRAY_SIZE(data));
if (capget(head, tail_data))
perror_msg_and_skip("capget");
if (head[0] != v3)
error_msg_and_skip("capget: v3 expected");
memcpy(tail_data, data, sizeof(data));
if (capset(head, data) == 0 || errno != EPERM)
perror_msg_and_skip("capset");
return 0;
}