2010-10-19 21:19:12 +02:00
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/*-*- 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 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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2012-04-12 00:20:58 +02:00
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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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2010-10-19 21:19:12 +02:00
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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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2012-04-12 00:20:58 +02:00
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Lesser General Public License for more details.
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2010-10-19 21:19:12 +02:00
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2012-04-12 00:20:58 +02:00
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You should have received a copy of the GNU Lesser General Public License
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2010-10-19 21:19:12 +02:00
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include "util.h"
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2013-02-14 12:26:13 +01:00
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#include "fileio.h"
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2010-10-19 21:19:12 +02:00
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static bool arg_skip = false;
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static bool arg_force = false;
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2014-03-06 17:05:55 +01:00
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static int parse_proc_cmdline_item(const char *key, const char *value) {
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if (streq(key, "quotacheck.mode") && value) {
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if (streq(value, "auto"))
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arg_force = arg_skip = false;
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else if (streq(value, "force"))
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arg_force = true;
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else if (streq(value, "skip"))
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arg_skip = true;
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else
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log_warning("Invalid quotacheck.mode= parameter. Ignoring.");
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} else if (startswith(key, "quotacheck."))
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2014-02-16 00:08:59 +01:00
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log_warning("Invalid quotacheck parameter. Ignoring.");
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2013-01-04 22:00:46 +01:00
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#ifdef HAVE_SYSV_COMPAT
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2014-03-06 17:05:55 +01:00
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else if (streq(key, "forcequotacheck") && !value) {
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log_warning("Please use 'quotacheck.mode=force' rather than 'forcequotacheck' on the kernel command line.");
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2014-02-16 00:08:59 +01:00
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arg_force = true;
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2010-10-19 21:19:12 +02:00
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}
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2014-02-16 00:08:59 +01:00
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#endif
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2010-10-19 21:19:12 +02:00
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return 0;
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}
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static void test_files(void) {
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2013-01-04 22:00:46 +01:00
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#ifdef HAVE_SYSV_COMPAT
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if (access("/forcequotacheck", F_OK) >= 0) {
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log_error("Please pass 'quotacheck.mode=force' on the kernel command line rather than creating /forcequotacheck on the root file system.");
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2010-10-19 21:19:12 +02:00
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arg_force = true;
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2013-01-04 22:00:46 +01:00
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}
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2010-10-19 21:19:12 +02:00
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#endif
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}
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int main(int argc, char *argv[]) {
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2013-05-06 21:15:38 +02:00
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2010-10-19 21:19:12 +02:00
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static const char * const cmdline[] = {
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QUOTACHECK,
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2010-10-19 21:19:12 +02:00
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"-anug",
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NULL
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};
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pid_t pid;
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if (argc > 1) {
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log_error("This program takes no arguments.");
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return EXIT_FAILURE;
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}
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2012-01-12 05:09:06 +01:00
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log_set_target(LOG_TARGET_AUTO);
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2010-10-19 21:19:12 +02:00
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log_parse_environment();
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log_open();
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2011-08-01 20:52:18 +02:00
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umask(0022);
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2014-03-06 17:05:55 +01:00
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parse_proc_cmdline(parse_proc_cmdline_item);
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2010-10-19 21:19:12 +02:00
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test_files();
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if (!arg_force) {
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if (arg_skip)
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2013-05-06 21:15:38 +02:00
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return EXIT_SUCCESS;
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2010-10-19 21:19:12 +02:00
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2011-03-25 05:07:20 +01:00
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if (access("/run/systemd/quotacheck", F_OK) < 0)
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2013-05-06 21:15:38 +02:00
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return EXIT_SUCCESS;
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2010-10-19 21:19:12 +02:00
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}
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2013-05-06 21:15:38 +02:00
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pid = fork();
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if (pid < 0) {
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2010-10-19 21:19:12 +02:00
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log_error("fork(): %m");
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2013-05-06 21:15:38 +02:00
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return EXIT_FAILURE;
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2010-10-19 21:19:12 +02:00
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} else if (pid == 0) {
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/* Child */
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execv(cmdline[0], (char**) cmdline);
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_exit(1); /* Operational error */
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}
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2013-05-06 21:15:38 +02:00
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return wait_for_terminate_and_warn("quotacheck", pid) >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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2010-10-19 21:19:12 +02:00
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}
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