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tests: umockdev-record: t_system_single: handle missing SELinux context on /dev/null #256

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Oct 31, 2024
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tests: umockdev-record: t_system_single: handle missing SELinux context on /dev/null #256

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24 changes: 18 additions & 6 deletions tests/test-umockdev-record.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -201,13 +201,25 @@ t_system_single ()
assert_in("P: /devices/virtual/mem/null", sout);
assert_in("E: DEVNAME=/dev/zero", sout);
#if HAVE_SELINUX
// we may run on a system without SELinux
if (FileUtils.test("/sys/fs/selinux", FileTest.EXISTS)) {
string context;
assert_cmpint (Selinux.lgetfilecon ("/dev/null", out context), CompareOperator.GT, 0);
assert_in("E: __DEVCONTEXT=" + context + "\n", sout);
string context;
int res = Selinux.lgetfilecon ("/dev/null", out context);
if (res > 0) {
assert_in ("E: __DEVCONTEXT=" + context + "\n", sout);
} else if (res == -1 && (Posix.errno == Posix.ENODATA ||
Posix.errno == Posix.ENOTSUP ||
Posix.errno == Posix.ENOSYS)) {
// If SELinux is not available, or is available but
// there is no context defined for /dev/null,
// we should skip this check as there is
// no context recorded.
//
// ENODATA: context doesn't exist, or the process
// can't access it
// ENOTSUP: extended attributes not supported/disabled
// ENOSYS: lgetxattr syscall not available
assert (!sout.contains("E: __DEVCONTEXT"));
} else {
assert(!sout.contains("E: __DEVCONTEXT"));
assert_cmpint (res, CompareOperator.GT, 0);
}
#endif
}
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