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20755373b1
The number of uid's in the range should be tested instead of written directly. The test still passes with the fix checks. Found with Coverity. Fixes: CID#1237714 - 1237722
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stddef.h>
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#include "util.h"
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#include "uid-range.h"
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int main(int argc, char *argv[]) {
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_cleanup_free_ UidRange *p = NULL;
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unsigned n = 0;
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uid_t search;
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assert_se(uid_range_add_str(&p, &n, "500-999") >= 0);
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assert_se(n == 1);
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assert_se(p[0].start == 500);
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assert_se(p[0].nr == 500);
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assert_se(!uid_range_contains(p, n, 499));
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assert_se(uid_range_contains(p, n, 500));
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assert_se(uid_range_contains(p, n, 999));
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assert_se(!uid_range_contains(p, n, 1000));
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search = (uid_t) -1;
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assert_se(uid_range_next_lower(p, n, &search));
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assert_se(search == 999);
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assert_se(uid_range_next_lower(p, n, &search));
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assert_se(search == 998);
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search = 501;
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assert_se(uid_range_next_lower(p, n, &search));
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assert_se(search == 500);
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assert_se(uid_range_next_lower(p, n, &search) == -EBUSY);
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assert_se(uid_range_add_str(&p, &n, "1000") >= 0);
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assert_se(n == 1);
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assert_se(p[0].start == 500);
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assert_se(p[0].nr == 501);
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assert_se(uid_range_add_str(&p, &n, "30-40") >= 0);
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assert_se(n == 2);
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assert_se(p[0].start == 30);
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assert_se(p[0].nr == 11);
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assert_se(p[1].start == 500);
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assert_se(p[1].nr == 501);
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assert_se(uid_range_add_str(&p, &n, "60-70") >= 0);
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assert_se(n == 3);
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assert_se(p[0].start == 30);
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assert_se(p[0].nr == 11);
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assert_se(p[1].start == 60);
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assert_se(p[1].nr == 11);
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assert_se(p[2].start == 500);
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assert_se(p[2].nr == 501);
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assert_se(uid_range_add_str(&p, &n, "20-2000") >= 0);
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assert_se(n == 1);
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assert_se(p[0].start == 20);
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assert_se(p[0].nr == 1981);
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assert_se(uid_range_add_str(&p, &n, "2002") >= 0);
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assert_se(n == 2);
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assert_se(p[0].start == 20);
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assert_se(p[0].nr == 1981);
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assert_se(p[1].start == 2002);
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assert_se(p[1].nr == 1);
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assert_se(uid_range_add_str(&p, &n, "2001") >= 0);
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assert_se(n == 1);
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assert_se(p[0].start == 20);
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assert_se(p[0].nr == 1983);
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return 0;
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}
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