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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <stddef.h>
#include "alloc-util.h"
#include "errno-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "tests.h"
#include "tmpfile-util.h"
#include "uid-range.h"
#include "user-util.h"
#include "util.h"
#include "virt.h"
TEST(uid_range) {
_cleanup_free_ UidRange *p = NULL;
size_t n = 0;
uid_t search;
assert_se(uid_range_covers(p, n, 0, 0));
assert_se(!uid_range_covers(p, n, 0, 1));
assert_se(!uid_range_covers(p, n, 100, UINT32_MAX));
assert_se(uid_range_add_str(&p, &n, "500-999") >= 0);
assert_se(n == 1);
assert_se(p[0].start == 500);
assert_se(p[0].nr == 500);
assert_se(!uid_range_contains(p, n, 499));
assert_se(uid_range_contains(p, n, 500));
assert_se(uid_range_contains(p, n, 999));
assert_se(!uid_range_contains(p, n, 1000));
assert_se(!uid_range_covers(p, n, 100, 150));
assert_se(!uid_range_covers(p, n, 400, 200));
assert_se(!uid_range_covers(p, n, 499, 1));
assert_se(uid_range_covers(p, n, 500, 1));
assert_se(uid_range_covers(p, n, 501, 10));
assert_se(uid_range_covers(p, n, 999, 1));
assert_se(!uid_range_covers(p, n, 999, 2));
assert_se(!uid_range_covers(p, n, 1000, 1));
assert_se(!uid_range_covers(p, n, 1000, 100));
assert_se(!uid_range_covers(p, n, 1001, 100));
search = UID_INVALID;
assert_se(uid_range_next_lower(p, n, &search));
assert_se(search == 999);
assert_se(uid_range_next_lower(p, n, &search));
assert_se(search == 998);
search = 501;
assert_se(uid_range_next_lower(p, n, &search));
assert_se(search == 500);
assert_se(uid_range_next_lower(p, n, &search) == -EBUSY);
assert_se(uid_range_add_str(&p, &n, "1000") >= 0);
assert_se(n == 1);
assert_se(p[0].start == 500);
assert_se(p[0].nr == 501);
assert_se(uid_range_add_str(&p, &n, "30-40") >= 0);
assert_se(n == 2);
assert_se(p[0].start == 30);
assert_se(p[0].nr == 11);
assert_se(p[1].start == 500);
assert_se(p[1].nr == 501);
assert_se(uid_range_add_str(&p, &n, "60-70") >= 0);
assert_se(n == 3);
assert_se(p[0].start == 30);
assert_se(p[0].nr == 11);
assert_se(p[1].start == 60);
assert_se(p[1].nr == 11);
assert_se(p[2].start == 500);
assert_se(p[2].nr == 501);
assert_se(uid_range_add_str(&p, &n, "20-2000") >= 0);
assert_se(n == 1);
assert_se(p[0].start == 20);
assert_se(p[0].nr == 1981);
assert_se(uid_range_add_str(&p, &n, "2002") >= 0);
assert_se(n == 2);
assert_se(p[0].start == 20);
assert_se(p[0].nr == 1981);
assert_se(p[1].start == 2002);
assert_se(p[1].nr == 1);
assert_se(uid_range_add_str(&p, &n, "2001") >= 0);
assert_se(n == 1);
assert_se(p[0].start == 20);
assert_se(p[0].nr == 1983);
}
TEST(load_userns) {
_cleanup_(unlink_and_freep) char *fn = NULL;
_cleanup_free_ UidRange *p = NULL;
_cleanup_fclose_ FILE *f = NULL;
size_t n = 0;
int r;
r = uid_range_load_userns(&p, &n, NULL);
if (ERRNO_IS_NOT_SUPPORTED(r))
return;
assert_se(r >= 0);
assert_se(uid_range_contains(p, n, getuid()));
r = running_in_userns();
if (r == 0) {
assert_se(n == 1);
assert_se(p[0].start == 0);
assert_se(p[0].nr == UINT32_MAX);
assert_se(uid_range_covers(p, n, 0, UINT32_MAX));
}
assert_se(fopen_temporary(NULL, &f, &fn) >= 0);
fputs("0 0 20\n"
"100 0 20\n", f);
assert_se(fflush_and_check(f) >= 0);
p = mfree(p);
n = 0;
assert_se(uid_range_load_userns(&p, &n, fn) >= 0);
assert_se(uid_range_contains(p, n, 0));
assert_se(uid_range_contains(p, n, 19));
assert_se(!uid_range_contains(p, n, 20));
assert_se(!uid_range_contains(p, n, 99));
assert_se(uid_range_contains(p, n, 100));
assert_se(uid_range_contains(p, n, 119));
assert_se(!uid_range_contains(p, n, 120));
}
DEFINE_TEST_MAIN(LOG_DEBUG);
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