fsck.c revision 059cb3858acd038ff2cef10a3a99119bf71a8fc6
3802a3d3d7af51ddff31943d5514382f01265770Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
12b42c76672a66c2d4ea7212c14f8f1b5a62b78dTom Gundersen/***
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek This file is part of systemd.
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek Copyright 2010 Lennart Poettering
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek under the terms of the GNU Lesser General Public License as published by
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek the Free Software Foundation; either version 2.1 of the License, or
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek (at your option) any later version.
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek systemd is distributed in the hope that it will be useful, but
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek WITHOUT ANY WARRANTY; without even the implied warranty of
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek Lesser General Public License for more details.
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek You should have received a copy of the GNU Lesser General Public License
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek along with systemd; If not, see <http://www.gnu.org/licenses/>.
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek***/
5de0ccffcc4a5a946102a14e0b0e681d964e3225Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <stdio.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <stdbool.h>
48f69d8fb4d0cf34d578352572c96d86e13caa79Lennart Poettering#include <string.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <errno.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <unistd.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <fcntl.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include <sys/file.h>
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "sd-bus.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "libudev.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "util.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "special.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "bus-util.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "bus-error.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "bus-errors.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "fileio.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#include "udev-util.h"
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic bool arg_skip = false;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic bool arg_force = false;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic bool arg_show_progress = false;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic void start_target(const char *target) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering _cleanup_bus_unref_ sd_bus *bus = NULL;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering int r;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek assert(target);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek r = bus_open_system_systemd(&bus);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (r < 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("Failed to get D-Bus connection: %s", strerror(-r));
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_info("Running request %s/start/replace", target);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* Start these units only if we can replace base.target with it */
6bb648a16ae4a682ad4784412af706d2e6a3e4daTom Gundersen r = sd_bus_call_method(bus,
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek "org.freedesktop.systemd1",
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek "/org/freedesktop/systemd1",
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek "org.freedesktop.systemd1.Manager",
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek "StartUnitReplace",
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek &error,
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek NULL,
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek "sss", "basic.target", target, "replace");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* Don't print a warning if we aren't called during startup */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (r < 0 && !sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_JOB))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("Failed to start unit: %s", bus_error_message(&error, -r));
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek}
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic int parse_proc_cmdline_item(const char *key, const char *value) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (streq(key, "fsck.mode") && value) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (streq(value, "auto"))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_force = arg_skip = false;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else if (streq(value, "force"))
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering arg_force = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else if (streq(value, "skip"))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_skip = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("Invalid fsck.mode= parameter. Ignoring.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else if (startswith(key, "fsck."))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("Invalid fsck parameter. Ignoring.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SYSV_COMPAT
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else if (streq(key, "fastboot") && !value) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("Please pass 'fsck.mode=skip' rather than 'fastboot' on the kernel command line.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_skip = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else if (streq(key, "forcefsck") && !value) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("Please pass 'fsck.mode=force' rather than 'forcefsck' on the kernel command line.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_force = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#endif
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return 0;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek}
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic void test_files(void) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SYSV_COMPAT
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (access("/fastboot", F_OK) >= 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("Please pass 'fsck.mode=skip' on the kernel command line rather than creating /fastboot on the root file system.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_skip = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (access("/forcefsck", F_OK) >= 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("Please pass 'fsck.mode=force' on the kernel command line rather than creating /forcefsck on the root file system.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_force = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek#endif
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (access("/run/systemd/show-status", F_OK) >= 0 || plymouth_running())
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek arg_show_progress = true;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek}
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic double percent(int pass, unsigned long cur, unsigned long max) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* Values stolen from e2fsck */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering static const int pass_table[] = {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering 0, 70, 90, 92, 95, 100
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering };
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (pass <= 0)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return 0.0;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if ((unsigned) pass >= ELEMENTSOF(pass_table) || max == 0)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return 100.0;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return (double) pass_table[pass-1] +
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek ((double) pass_table[pass] - (double) pass_table[pass-1]) *
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek (double) cur / (double) max;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek}
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekstatic int process_progress(int fd) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek _cleanup_fclose_ FILE *console = NULL, *f = NULL;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek usec_t last = 0;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek bool locked = false;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek int clear = 0;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek f = fdopen(fd, "r");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (!f) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek close_nointr_nofail(fd);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return -errno;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek console = fopen("/dev/console", "we");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (!console)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return -ENOMEM;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek while (!feof(f)) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek int pass, m;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek unsigned long cur, max;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek _cleanup_free_ char *device = NULL;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek double p;
66f756d437658cc464bfb5647c97efd0cf77f933Jan Engelhardt usec_t t;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (fscanf(f, "%i %lu %lu %ms", &pass, &cur, &max, &device) != 4)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering break;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering /* Only show one progress counter at max */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (!locked) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (flock(fileno(console), LOCK_EX|LOCK_NB) < 0)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering continue;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering locked = true;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering /* Only update once every 50ms */
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering t = now(CLOCK_MONOTONIC);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (last + 50 * USEC_PER_MSEC > t)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering continue;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering last = t;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering p = percent(pass, cur, max);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering fprintf(console, "\r%s: fsck %3.1f%% complete...\r%n", device, p, &m);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering fflush(console);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (m > clear)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering clear = m;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (clear > 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering unsigned j;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering fputc('\r', console);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering for (j = 0; j < (unsigned) clear; j++)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering fputc(' ', console);
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt fputc('\r', console);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering fflush(console);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
66f756d437658cc464bfb5647c97efd0cf77f933Jan Engelhardt
06b643e7f5a3b79005dd57497897ab7255fe3659Ruben Kerkhof return 0;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek}
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardtint main(int argc, char *argv[]) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering const char *cmdline[9];
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering int i = 0, r = EXIT_FAILURE, q;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering pid_t pid;
a8eaaee72a2f06e0fb64fb71de3b71ecba31dafbJan Engelhardt siginfo_t status;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering _cleanup_udev_unref_ struct udev *udev = NULL;
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt _cleanup_udev_device_unref_ struct udev_device *udev_device = NULL;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering const char *device, *type;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering bool root_directory;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering int progress_pipe[2] = { -1, -1 };
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering char dash_c[2+10+1];
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering struct stat st;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (argc > 2) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("This program expects one or no arguments.");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_FAILURE;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_set_target(LOG_TARGET_AUTO);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_parse_environment();
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt log_open();
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering umask(0022);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering parse_proc_cmdline(parse_proc_cmdline_item);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering test_files();
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (!arg_force && arg_skip)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return 0;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering udev = udev_new();
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (!udev) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_oom();
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return EXIT_FAILURE;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (argc > 1) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering device = argv[1];
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering root_directory = false;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (stat(device, &st) < 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("Failed to stat '%s': %m", device);
a8eaaee72a2f06e0fb64fb71de3b71ecba31dafbJan Engelhardt return EXIT_FAILURE;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering udev_device = udev_device_new_from_devnum(udev, 'b', st.st_rdev);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (!udev_device) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("Failed to detect device %s", device);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_FAILURE;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek struct timespec times[2];
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt /* Find root device */
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (stat("/", &st) < 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("Failed to stat() the root directory: %m");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_FAILURE;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering /* Virtual root devices don't need an fsck */
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (major(st.st_dev) == 0)
3860bb6dbfb3dfe70cef33823661145dcc5b864cZbigniew Jędrzejewski-Szmek return EXIT_SUCCESS;
3860bb6dbfb3dfe70cef33823661145dcc5b864cZbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* check if we are already writable */
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering times[0] = st.st_atim;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek times[1] = st.st_mtim;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (utimensat(AT_FDCWD, "/", times, 0) == 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_info("Root directory is writable, skipping check.");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_SUCCESS;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek udev_device = udev_device_new_from_devnum(udev, 'b', st.st_dev);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (!udev_device) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("Failed to detect root device.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return EXIT_FAILURE;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering device = udev_device_get_devnode(udev_device);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (!device) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("Failed to detect device node of root directory.");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_FAILURE;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering root_directory = true;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering type = udev_device_get_property_value(udev_device, "ID_FS_TYPE");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (type) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering const char *checker = strappenda("/sbin/fsck.", type);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering r = access(checker, X_OK);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (r < 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (errno == ENOENT) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_info("%s doesn't exist, not checking file system.", checker);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek return EXIT_SUCCESS;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("%s cannot be used: %m", checker);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
a8eaaee72a2f06e0fb64fb71de3b71ecba31dafbJan Engelhardt
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (arg_show_progress)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (pipe(progress_pipe) < 0) {
a8eaaee72a2f06e0fb64fb71de3b71ecba31dafbJan Engelhardt log_error("pipe(): %m");
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return EXIT_FAILURE;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = "/sbin/fsck";
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = "-a";
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = "-T";
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = "-l";
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (!root_directory)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek cmdline[i++] = "-M";
3c8fa0fd0f99996088e42c5d48e164fdae4ada40Jan Engelhardt
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (arg_force)
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = "-f";
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (progress_pipe[1] >= 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek snprintf(dash_c, sizeof(dash_c), "-C%i", progress_pipe[1]);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering char_array_0(dash_c);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = dash_c;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek cmdline[i++] = device;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering cmdline[i++] = NULL;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering pid = fork();
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (pid < 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering log_error("fork(): %m");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek goto finish;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else if (pid == 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* Child */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (progress_pipe[0] >= 0)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek close_nointr_nofail(progress_pipe[0]);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek execv(cmdline[0], (char**) cmdline);
b938cb902c3b5bca807a94b277672c64d6767886Jan Engelhardt _exit(8); /* Operational error */
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering if (progress_pipe[1] >= 0) {
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering close_nointr_nofail(progress_pipe[1]);
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering progress_pipe[1] = -1;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (progress_pipe[0] >= 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek process_progress(progress_pipe[0]);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek progress_pipe[0] = -1;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek q = wait_for_terminate(pid, &status);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (q < 0) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("waitid(): %s", strerror(-q));
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek goto finish;
8474b70c3a3842cdf3d51f331dd117ab6421f6d0Zbigniew Jędrzejewski-Szmek }
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (status.si_code != CLD_EXITED || (status.si_status & ~1)) {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (status.si_code == CLD_KILLED || status.si_code == CLD_DUMPED)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("fsck terminated by signal %s.", signal_to_string(status.si_status));
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else if (status.si_code == CLD_EXITED)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("fsck failed with error code %i.", status.si_status);
8474b70c3a3842cdf3d51f331dd117ab6421f6d0Zbigniew Jędrzejewski-Szmek else
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_error("fsck failed due to unknown reason.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (status.si_code == CLD_EXITED && (status.si_status & 2) && root_directory)
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* System should be rebooted. */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek start_target(SPECIAL_REBOOT_TARGET);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else if (status.si_code == CLD_EXITED && (status.si_status & 6))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek /* Some other problem */
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek start_target(SPECIAL_EMERGENCY_TARGET);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek else {
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek r = EXIT_SUCCESS;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek log_warning("Ignoring error.");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek }
5aded369782f28255bc6b494ca905d7acaea7a56Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek } else
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek r = EXIT_SUCCESS;
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek if (status.si_code == CLD_EXITED && (status.si_status & 1))
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek touch("/run/systemd/quotacheck");
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmekfinish:
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek close_pipe(progress_pipe);
71365a7754db5ff8e07941501063b1da2a4b4bd5Zbigniew Jędrzejewski-Szmek
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering return r;
9d3e5d11bee9ab29a479e534622bb1b23daf9fabLennart Poettering}
5aded369782f28255bc6b494ca905d7acaea7a56Zbigniew Jędrzejewski-Szmek