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70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
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/***
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This file is part of systemd
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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 <sys/resource.h>
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#include "capability-util.h"
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#include "macro.h"
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#include "rlimit-util.h"
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#include "string-util.h"
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#include "util.h"
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int main(int argc, char *argv[]) {
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struct rlimit old, new, high;
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struct rlimit err = {
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.rlim_cur = 10,
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.rlim_max = 5,
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};
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log_parse_environment();
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log_open();
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assert_se(drop_capability(CAP_SYS_RESOURCE) == 0);
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assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
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new.rlim_cur = MIN(5U, old.rlim_max);
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new.rlim_max = MIN(10U, old.rlim_max);
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assert_se(setrlimit(RLIMIT_NOFILE, &new) >= 0);
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assert_se(rlimit_from_string("LimitNOFILE") == RLIMIT_NOFILE);
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assert_se(rlimit_from_string("DefaultLimitNOFILE") == -1);
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assert_se(streq_ptr(rlimit_to_string(RLIMIT_NOFILE), "LimitNOFILE"));
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assert_se(rlimit_to_string(-1) == NULL);
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assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
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assert_se(setrlimit_closest(RLIMIT_NOFILE, &old) == 0);
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assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
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assert_se(old.rlim_cur == new.rlim_cur);
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assert_se(old.rlim_max == new.rlim_max);
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assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
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high = RLIMIT_MAKE_CONST(old.rlim_max + 1);
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assert_se(setrlimit_closest(RLIMIT_NOFILE, &high) == 0);
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assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
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assert_se(new.rlim_max == old.rlim_max);
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assert_se(new.rlim_cur == new.rlim_max);
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assert_se(getrlimit(RLIMIT_NOFILE, &old) == 0);
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assert_se(setrlimit_closest(RLIMIT_NOFILE, &err) == -EINVAL);
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assert_se(getrlimit(RLIMIT_NOFILE, &new) == 0);
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assert_se(old.rlim_cur == new.rlim_cur);
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assert_se(old.rlim_max == new.rlim_max);
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return 0;
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}
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