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-rw-r--r--src/quotacheck.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/quotacheck.c b/src/quotacheck.c
new file mode 100644
index 0000000000..a579c5e8b7
--- /dev/null
+++ b/src/quotacheck.c
@@ -0,0 +1,115 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "util.h"
+
+static bool arg_skip = false;
+static bool arg_force = false;
+
+static int parse_proc_cmdline(void) {
+ char *line, *w, *state;
+ int r;
+ size_t l;
+
+ if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+
+ if (strneq(w, "quotacheck.mode=auto", l))
+ arg_force = arg_skip = false;
+ else if (strneq(w, "quotacheck.mode=force", l))
+ arg_force = true;
+ else if (strneq(w, "quotacheck.mode=skip", l))
+ arg_skip = true;
+ else if (startswith(w, "quotacheck.mode"))
+ log_warning("Invalid quotacheck.mode= parameter. Ignoring.");
+#ifdef TARGET_FEDORA
+ else if (strneq(w, "forcequotacheck", l))
+ arg_force = true;
+#endif
+ }
+
+ free(line);
+ return 0;
+}
+
+static void test_files(void) {
+#ifdef TARGET_FEDORA
+ /* This exists only on Fedora */
+ if (access("/forcequoatcheck", F_OK) >= 0)
+ arg_force = true;
+#endif
+}
+
+int main(int argc, char *argv[]) {
+ static const char * const cmdline[] = {
+ "/sbin/quotacheck",
+ "-anug",
+ NULL
+ };
+
+ int r = EXIT_FAILURE;
+ pid_t pid;
+
+ if (argc > 1) {
+ log_error("This program takes no arguments.");
+ return EXIT_FAILURE;
+ }
+
+ log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+ log_parse_environment();
+ log_open();
+
+ parse_proc_cmdline();
+ test_files();
+
+ if (!arg_force) {
+
+ if (arg_skip)
+ return 0;
+
+ if (access("/dev/.systemd/quotacheck", F_OK) < 0)
+ return 0;
+ }
+
+ if ((pid = fork()) < 0) {
+ log_error("fork(): %m");
+ goto finish;
+ } else if (pid == 0) {
+ /* Child */
+ execv(cmdline[0], (char**) cmdline);
+ _exit(1); /* Operational error */
+ }
+
+ r = wait_for_terminate_and_warn("quotacheck", pid) >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+
+finish:
+ return r;
+}