2 * Check decoding of setuid/setgid/setuid32/setgid32 syscalls.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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8 * modification, are permitted provided that the following conditions
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35 printuid(unsigned UGID_TYPE id)
37 if (id == (unsigned UGID_TYPE) -1U)
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 = (unsigned UGID_TYPE) tests[i];
66 else if ((UGID_TYPE) num == (UGID_TYPE) -1U)
71 const long rc = syscall(SYSCALL_NR, tests[i]);
72 const char *errstr = sprintrc(rc);
75 if (!i && ENOSYS == errno) {
76 printf("%s(%u) = %s\n",
77 SYSCALL_NAME, ugid, errstr);
80 perror_msg_and_fail("%s(%#lx) != %ld",
81 SYSCALL_NAME, tests[i], expected);
84 printf("%s(", SYSCALL_NAME);
86 printf(") = %s\n", errstr);
89 puts("+++ exited with 0 +++");