/* * Check decoding of getresuid/getresgid/getresuid32/getresgid32 syscalls. * * Copyright (c) 2016 Dmitry V. Levin * 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 #include #include int main(void) { TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, r); TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, e); TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, s); if (syscall(SYSCALL_NR, r, e, s)) perror_msg_and_fail(SYSCALL_NAME); printf("%s([%u], [%u], [%u]) = 0\n", SYSCALL_NAME, (unsigned) *r, (unsigned) *e, (unsigned) *s); assert(syscall(SYSCALL_NR, NULL, e, s) == -1); printf("%s(NULL, %p, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, e, s); assert(syscall(SYSCALL_NR, r, NULL, s) == -1); printf("%s(%p, NULL, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, s); assert(syscall(SYSCALL_NR, r, e, NULL) == -1); printf("%s(%p, %p, NULL) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, e); puts("+++ exited with 0 +++"); return 0; }