1 /* 2 * Check decoding of getresuid/getresgid/getresuid32/getresgid32 syscalls. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2016-2017 The strace developers. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <assert.h> 32 #include <stdio.h> 33 #include <unistd.h> 34 35 int 36 main(void) 37 { 38 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, r); 39 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, e); 40 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, s); 41 42 if (syscall(SYSCALL_NR, r, e, s)) 43 perror_msg_and_fail(SYSCALL_NAME); 44 45 printf("%s([%u], [%u], [%u]) = 0\n", SYSCALL_NAME, 46 (unsigned) *r, (unsigned) *e, (unsigned) *s); 47 48 assert(syscall(SYSCALL_NR, NULL, e, s) == -1); 49 printf("%s(NULL, %p, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, e, s); 50 51 assert(syscall(SYSCALL_NR, r, NULL, s) == -1); 52 printf("%s(%p, NULL, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, s); 53 54 assert(syscall(SYSCALL_NR, r, e, NULL) == -1); 55 printf("%s(%p, %p, NULL) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, e); 56 57 puts("+++ exited with 0 +++"); 58 return 0; 59 } 60
