2 * Check decoding of setuid/setgid/setuid32/setgid32 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
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12 * 2. Redistributions in binary form must reproduce the above copyright
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20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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35 ugid2int(const unsigned UGID_TYPE ugid)
37 if ((unsigned UGID_TYPE) -1U == ugid)
46 unsigned int ugid = GETUGID;
47 CHECK_OVERFLOWUGID(ugid);
49 const long tests[] = {
52 (unsigned long) 0xffffffff00000000ULL | ugid,
60 for (i = 0; i < ARRAY_SIZE(tests); ++i) {
61 const unsigned int num = ugid2int(tests[i]);
71 const long rc = syscall(SYSCALL_NR, tests[i]);
72 int saved_errno = errno;
74 if (!i && ENOSYS == errno) {
75 printf("%s(%u) = -1 ENOSYS (%m)\n",
79 perror_msg_and_fail("%s(%#lx) != %ld",
80 SYSCALL_NAME, tests[i], expected);
83 printf("%s(", SYSCALL_NAME);
90 printf(") = -1 %s (%m)\n",
91 errno == EPERM ? "EPERM" : "EINVAL");
96 puts("+++ exited with 0 +++");