53e1b68390
This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
93 lines
3 KiB
C
93 lines
3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2014 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "alloc-util.h"
|
|
#include "uid-range.h"
|
|
#include "user-util.h"
|
|
#include "util.h"
|
|
|
|
int main(int argc, char *argv[]) {
|
|
_cleanup_free_ UidRange *p = NULL;
|
|
unsigned n = 0;
|
|
uid_t search;
|
|
|
|
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));
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|