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Diffstat (limited to 'src/remount-fs/remount-fs.c')
-rw-r--r--src/remount-fs/remount-fs.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/src/remount-fs/remount-fs.c b/src/remount-fs/remount-fs.c
deleted file mode 100644
index 6468d1eecd..0000000000
--- a/src/remount-fs/remount-fs.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/***
- 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 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 <errno.h>
-#include <mntent.h>
-#include <string.h>
-#include <sys/prctl.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include "exit-status.h"
-#include "log.h"
-#include "mount-setup.h"
-#include "mount-util.h"
-#include "path-util.h"
-#include "process-util.h"
-#include "signal-util.h"
-#include "strv.h"
-#include "util.h"
-
-/* Goes through /etc/fstab and remounts all API file systems, applying
- * options that are in /etc/fstab that systemd might not have
- * respected */
-
-int main(int argc, char *argv[]) {
- _cleanup_hashmap_free_free_ Hashmap *pids = NULL;
- _cleanup_endmntent_ FILE *f = NULL;
- struct mntent* me;
- int r;
-
- if (argc > 1) {
- log_error("This program takes no argument.");
- return EXIT_FAILURE;
- }
-
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- f = setmntent("/etc/fstab", "r");
- if (!f) {
- if (errno == ENOENT) {
- r = 0;
- goto finish;
- }
-
- r = log_error_errno(errno, "Failed to open /etc/fstab: %m");
- goto finish;
- }
-
- pids = hashmap_new(NULL);
- if (!pids) {
- r = log_oom();
- goto finish;
- }
-
- while ((me = getmntent(f))) {
- pid_t pid;
- int k;
- char *s;
-
- /* Remount the root fs, /usr and all API VFS */
- if (!mount_point_is_api(me->mnt_dir) &&
- !path_equal(me->mnt_dir, "/") &&
- !path_equal(me->mnt_dir, "/usr"))
- continue;
-
- log_debug("Remounting %s", me->mnt_dir);
-
- pid = fork();
- if (pid < 0) {
- r = log_error_errno(errno, "Failed to fork: %m");
- goto finish;
- }
-
- if (pid == 0) {
- /* Child */
-
- (void) reset_all_signal_handlers();
- (void) reset_signal_mask();
- (void) prctl(PR_SET_PDEATHSIG, SIGTERM);
-
- execv(MOUNT_PATH, STRV_MAKE(MOUNT_PATH, me->mnt_dir, "-o", "remount"));
-
- log_error_errno(errno, "Failed to execute " MOUNT_PATH ": %m");
- _exit(EXIT_FAILURE);
- }
-
- /* Parent */
-
- s = strdup(me->mnt_dir);
- if (!s) {
- r = log_oom();
- goto finish;
- }
-
- k = hashmap_put(pids, PID_TO_PTR(pid), s);
- if (k < 0) {
- free(s);
- r = log_oom();
- goto finish;
- }
- }
-
- r = 0;
- while (!hashmap_isempty(pids)) {
- siginfo_t si = {};
- char *s;
-
- if (waitid(P_ALL, 0, &si, WEXITED) < 0) {
-
- if (errno == EINTR)
- continue;
-
- r = log_error_errno(errno, "waitid() failed: %m");
- goto finish;
- }
-
- s = hashmap_remove(pids, PID_TO_PTR(si.si_pid));
- if (s) {
- if (!is_clean_exit(si.si_code, si.si_status, NULL)) {
- if (si.si_code == CLD_EXITED)
- log_error(MOUNT_PATH " for %s exited with exit status %i.", s, si.si_status);
- else
- log_error(MOUNT_PATH " for %s terminated by signal %s.", s, signal_to_string(si.si_status));
-
- r = -ENOEXEC;
- }
-
- free(s);
- }
- }
-
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}