From 3b135c1c790617110c588be29a02ede60cac69c6 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Mon, 6 Jun 2016 20:43:53 -0400 Subject: move things --- src/fsck/Makefile | 33 ---- src/fsck/fsck.c | 487 ------------------------------------------------------ 2 files changed, 520 deletions(-) delete mode 100644 src/fsck/Makefile delete mode 100644 src/fsck/fsck.c (limited to 'src/fsck') diff --git a/src/fsck/Makefile b/src/fsck/Makefile deleted file mode 100644 index 2e040bfb0e..0000000000 --- a/src/fsck/Makefile +++ /dev/null @@ -1,33 +0,0 @@ -# -*- Mode: makefile; indent-tabs-mode: t -*- -# -# This file is part of systemd. -# -# Copyright 2010-2012 Lennart Poettering -# Copyright 2010-2012 Kay Sievers -# Copyright 2013 Zbigniew Jędrzejewski-Szmek -# Copyright 2013 David Strauss -# Copyright 2016 Luke Shumaker -# -# 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 . -include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk -include $(topsrcdir)/build-aux/Makefile.head.mk - -systemd_fsck_SOURCES = \ - src/fsck/fsck.c - -systemd_fsck_LDADD = \ - libshared.la - -$(eval $(value automake2autothing)) -include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/fsck/fsck.c b/src/fsck/fsck.c deleted file mode 100644 index f21433c0ad..0000000000 --- a/src/fsck/fsck.c +++ /dev/null @@ -1,487 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - Copyright 2014 Holger Hans Peter Freyther - - 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 . -***/ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "alloc-util.h" -#include "bus-common-errors.h" -#include "bus-error.h" -#include "bus-util.h" -#include "device-util.h" -#include "fd-util.h" -#include "fs-util.h" -#include "parse-util.h" -#include "path-util.h" -#include "proc-cmdline.h" -#include "process-util.h" -#include "signal-util.h" -#include "socket-util.h" -#include "special.h" -#include "stdio-util.h" -#include "util.h" - -/* exit codes as defined in fsck(8) */ -enum { - FSCK_SUCCESS = 0, - FSCK_ERROR_CORRECTED = 1, - FSCK_SYSTEM_SHOULD_REBOOT = 2, - FSCK_ERRORS_LEFT_UNCORRECTED = 4, - FSCK_OPERATIONAL_ERROR = 8, - FSCK_USAGE_OR_SYNTAX_ERROR = 16, - FSCK_USER_CANCELLED = 32, - FSCK_SHARED_LIB_ERROR = 128, -}; - -static bool arg_skip = false; -static bool arg_force = false; -static bool arg_show_progress = false; -static const char *arg_repair = "-a"; - -static void start_target(const char *target, const char *mode) { - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - int r; - - assert(target); - - r = bus_connect_system_systemd(&bus); - if (r < 0) { - log_error_errno(r, "Failed to get D-Bus connection: %m"); - return; - } - - log_info("Running request %s/start/replace", target); - - /* Start these units only if we can replace base.target with it */ - r = sd_bus_call_method(bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnitReplace", - &error, - NULL, - "sss", "basic.target", target, mode); - - /* Don't print a warning if we aren't called during startup */ - if (r < 0 && !sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_JOB)) - log_error("Failed to start unit: %s", bus_error_message(&error, r)); -} - -static int parse_proc_cmdline_item(const char *key, const char *value) { - int r; - - assert(key); - - if (streq(key, "fsck.mode") && value) { - - if (streq(value, "auto")) - arg_force = arg_skip = false; - else if (streq(value, "force")) - arg_force = true; - else if (streq(value, "skip")) - arg_skip = true; - else - log_warning("Invalid fsck.mode= parameter '%s'. Ignoring.", value); - - } else if (streq(key, "fsck.repair") && value) { - - if (streq(value, "preen")) - arg_repair = "-a"; - else { - r = parse_boolean(value); - if (r > 0) - arg_repair = "-y"; - else if (r == 0) - arg_repair = "-n"; - else - log_warning("Invalid fsck.repair= parameter '%s'. Ignoring.", value); - } - } - -#ifdef HAVE_SYSV_COMPAT - else if (streq(key, "fastboot") && !value) { - log_warning("Please pass 'fsck.mode=skip' rather than 'fastboot' on the kernel command line."); - arg_skip = true; - - } else if (streq(key, "forcefsck") && !value) { - log_warning("Please pass 'fsck.mode=force' rather than 'forcefsck' on the kernel command line."); - arg_force = true; - } -#endif - - return 0; -} - -static void test_files(void) { - -#ifdef HAVE_SYSV_COMPAT - if (access("/fastboot", F_OK) >= 0) { - log_error("Please pass 'fsck.mode=skip' on the kernel command line rather than creating /fastboot on the root file system."); - arg_skip = true; - } - - if (access("/forcefsck", F_OK) >= 0) { - log_error("Please pass 'fsck.mode=force' on the kernel command line rather than creating /forcefsck on the root file system."); - arg_force = true; - } -#endif - - arg_show_progress = access("/run/systemd/show-status", F_OK) >= 0; -} - -static double percent(int pass, unsigned long cur, unsigned long max) { - /* Values stolen from e2fsck */ - - static const int pass_table[] = { - 0, 70, 90, 92, 95, 100 - }; - - if (pass <= 0) - return 0.0; - - if ((unsigned) pass >= ELEMENTSOF(pass_table) || max == 0) - return 100.0; - - return (double) pass_table[pass-1] + - ((double) pass_table[pass] - (double) pass_table[pass-1]) * - (double) cur / (double) max; -} - -static int process_progress(int fd) { - _cleanup_fclose_ FILE *console = NULL, *f = NULL; - usec_t last = 0; - bool locked = false; - int clear = 0, r; - - /* No progress pipe to process? Then we are a NOP. */ - if (fd < 0) - return 0; - - f = fdopen(fd, "re"); - if (!f) { - safe_close(fd); - return -errno; - } - - console = fopen("/dev/console", "we"); - if (!console) - return -ENOMEM; - - for (;;) { - int pass, m; - unsigned long cur, max; - _cleanup_free_ char *device = NULL; - double p; - usec_t t; - - if (fscanf(f, "%i %lu %lu %ms", &pass, &cur, &max, &device) != 4) { - - if (ferror(f)) - r = log_warning_errno(errno, "Failed to read from progress pipe: %m"); - else if (feof(f)) - r = 0; - else { - log_warning("Failed to parse progress pipe data"); - r = -EBADMSG; - } - break; - } - - /* Only show one progress counter at max */ - if (!locked) { - if (flock(fileno(console), LOCK_EX|LOCK_NB) < 0) - continue; - - locked = true; - } - - /* Only update once every 50ms */ - t = now(CLOCK_MONOTONIC); - if (last + 50 * USEC_PER_MSEC > t) - continue; - - last = t; - - p = percent(pass, cur, max); - fprintf(console, "\r%s: fsck %3.1f%% complete...\r%n", device, p, &m); - fflush(console); - - if (m > clear) - clear = m; - } - - if (clear > 0) { - unsigned j; - - fputc('\r', console); - for (j = 0; j < (unsigned) clear; j++) - fputc(' ', console); - fputc('\r', console); - fflush(console); - } - - return r; -} - -static int fsck_progress_socket(void) { - static const union sockaddr_union sa = { - .un.sun_family = AF_UNIX, - .un.sun_path = "/run/systemd/fsck.progress", - }; - - int fd, r; - - fd = socket(AF_UNIX, SOCK_STREAM, 0); - if (fd < 0) - return log_warning_errno(errno, "socket(): %m"); - - if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) { - r = log_full_errno(errno == ECONNREFUSED || errno == ENOENT ? LOG_DEBUG : LOG_WARNING, - errno, "Failed to connect to progress socket %s, ignoring: %m", sa.un.sun_path); - safe_close(fd); - return r; - } - - return fd; -} - -int main(int argc, char *argv[]) { - _cleanup_close_pair_ int progress_pipe[2] = { -1, -1 }; - _cleanup_(sd_device_unrefp) sd_device *dev = NULL; - const char *device, *type; - bool root_directory; - siginfo_t status; - struct stat st; - int r; - pid_t pid; - - if (argc > 2) { - log_error("This program expects one or no arguments."); - return EXIT_FAILURE; - } - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - umask(0022); - - r = parse_proc_cmdline(parse_proc_cmdline_item); - if (r < 0) - log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); - - test_files(); - - if (!arg_force && arg_skip) { - r = 0; - goto finish; - } - - if (argc > 1) { - device = argv[1]; - - if (stat(device, &st) < 0) { - r = log_error_errno(errno, "Failed to stat %s: %m", device); - goto finish; - } - - if (!S_ISBLK(st.st_mode)) { - log_error("%s is not a block device.", device); - r = -EINVAL; - goto finish; - } - - r = sd_device_new_from_devnum(&dev, 'b', st.st_rdev); - if (r < 0) { - log_error_errno(r, "Failed to detect device %s: %m", device); - goto finish; - } - - root_directory = false; - } else { - struct timespec times[2]; - - /* Find root device */ - - if (stat("/", &st) < 0) { - r = log_error_errno(errno, "Failed to stat() the root directory: %m"); - goto finish; - } - - /* Virtual root devices don't need an fsck */ - if (major(st.st_dev) == 0) { - log_debug("Root directory is virtual or btrfs, skipping check."); - r = 0; - goto finish; - } - - /* check if we are already writable */ - times[0] = st.st_atim; - times[1] = st.st_mtim; - - if (utimensat(AT_FDCWD, "/", times, 0) == 0) { - log_info("Root directory is writable, skipping check."); - r = 0; - goto finish; - } - - r = sd_device_new_from_devnum(&dev, 'b', st.st_dev); - if (r < 0) { - log_error_errno(r, "Failed to detect root device: %m"); - goto finish; - } - - r = sd_device_get_devname(dev, &device); - if (r < 0) { - log_error_errno(r, "Failed to detect device node of root directory: %m"); - goto finish; - } - - root_directory = true; - } - - r = sd_device_get_property_value(dev, "ID_FS_TYPE", &type); - if (r >= 0) { - r = fsck_exists(type); - if (r < 0) - log_warning_errno(r, "Couldn't detect if fsck.%s may be used for %s, proceeding: %m", type, device); - else if (r == 0) { - log_info("fsck.%s doesn't exist, not checking file system on %s.", type, device); - goto finish; - } - } - - if (arg_show_progress) { - if (pipe(progress_pipe) < 0) { - r = log_error_errno(errno, "pipe(): %m"); - goto finish; - } - } - - pid = fork(); - if (pid < 0) { - r = log_error_errno(errno, "fork(): %m"); - goto finish; - } - if (pid == 0) { - char dash_c[sizeof("-C")-1 + DECIMAL_STR_MAX(int) + 1]; - int progress_socket = -1; - const char *cmdline[9]; - int i = 0; - - /* Child */ - - (void) reset_all_signal_handlers(); - (void) reset_signal_mask(); - assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0); - - /* Close the reading side of the progress pipe */ - progress_pipe[0] = safe_close(progress_pipe[0]); - - /* Try to connect to a progress management daemon, if there is one */ - progress_socket = fsck_progress_socket(); - if (progress_socket >= 0) { - /* If this worked we close the progress pipe early, and just use the socket */ - progress_pipe[1] = safe_close(progress_pipe[1]); - xsprintf(dash_c, "-C%i", progress_socket); - } else if (progress_pipe[1] >= 0) { - /* Otherwise if we have the progress pipe to our own local handle, we use it */ - xsprintf(dash_c, "-C%i", progress_pipe[1]); - } else - dash_c[0] = 0; - - cmdline[i++] = "/sbin/fsck"; - cmdline[i++] = arg_repair; - cmdline[i++] = "-T"; - - /* - * Since util-linux v2.25 fsck uses /run/fsck/.lock files. - * The previous versions use flock for the device and conflict with - * udevd, see https://bugs.freedesktop.org/show_bug.cgi?id=79576#c5 - */ - cmdline[i++] = "-l"; - - if (!root_directory) - cmdline[i++] = "-M"; - - if (arg_force) - cmdline[i++] = "-f"; - - if (!isempty(dash_c)) - cmdline[i++] = dash_c; - - cmdline[i++] = device; - cmdline[i++] = NULL; - - execv(cmdline[0], (char**) cmdline); - _exit(FSCK_OPERATIONAL_ERROR); - } - - progress_pipe[1] = safe_close(progress_pipe[1]); - (void) process_progress(progress_pipe[0]); - progress_pipe[0] = -1; - - r = wait_for_terminate(pid, &status); - if (r < 0) { - log_error_errno(r, "waitid(): %m"); - goto finish; - } - - if (status.si_code != CLD_EXITED || (status.si_status & ~1)) { - - if (status.si_code == CLD_KILLED || status.si_code == CLD_DUMPED) - log_error("fsck terminated by signal %s.", signal_to_string(status.si_status)); - else if (status.si_code == CLD_EXITED) - log_error("fsck failed with error code %i.", status.si_status); - else - log_error("fsck failed due to unknown reason."); - - r = -EINVAL; - - if (status.si_code == CLD_EXITED && (status.si_status & FSCK_SYSTEM_SHOULD_REBOOT) && root_directory) - /* System should be rebooted. */ - start_target(SPECIAL_REBOOT_TARGET, "replace-irreversibly"); - else if (status.si_code == CLD_EXITED && (status.si_status & (FSCK_SYSTEM_SHOULD_REBOOT | FSCK_ERRORS_LEFT_UNCORRECTED))) - /* Some other problem */ - start_target(SPECIAL_EMERGENCY_TARGET, "replace"); - else { - log_warning("Ignoring error."); - r = 0; - } - - } else - r = 0; - - if (status.si_code == CLD_EXITED && (status.si_status & FSCK_ERROR_CORRECTED)) - (void) touch("/run/systemd/quotacheck"); - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} -- cgit v1.2.3-54-g00ecf