2 * Check decoding of setreuid/setregid/setreuid32/setregid32 syscalls.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ugid2int(const unsigned UGID_TYPE ugid)
37 if ((unsigned UGID_TYPE) -1U == ugid)
44 print_int(const unsigned int num)
53 num_matches_id(const unsigned int num, const unsigned int ugid)
55 return num == ugid || num == -1U;
58 #define PAIR(val) { val, ugid }, { ugid, val }
63 unsigned int ugid = GETUGID;
64 CHECK_OVERFLOWUGID(ugid);
70 PAIR((unsigned long) 0xffffffff00000000ULL | ugid),
73 PAIR(0xffff0000U | ugid),
80 for (i = 0; i < ARRAY_SIZE(tests); ++i) {
81 const unsigned int rn = ugid2int(tests[i].r);
82 const unsigned int en = ugid2int(tests[i].e);
84 if (!num_matches_id(rn, ugid) || !num_matches_id(en, ugid))
87 if (syscall(SYSCALL_NR, tests[i].r, tests[i].e)) {
88 if (!i && ENOSYS == errno) {
89 printf("%s(%u, %u) = -1 ENOSYS (%m)\n",
90 SYSCALL_NAME, ugid, ugid);
93 perror_msg_and_fail("%s(%#lx, %#lx)", SYSCALL_NAME,
94 tests[i].r, tests[i].e);
97 printf("%s(", SYSCALL_NAME);
104 puts("+++ exited with 0 +++");