1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
27 #include "unit-name.h"
28 #include "generator.h"
29 #include "path-util.h"
30 #include "fstab-util.h"
34 static int write_fsck_sysroot_service(const char *dir, const char *what) {
36 _cleanup_free_ char *device = NULL;
37 _cleanup_free_ char *escaped;
38 _cleanup_fclose_ FILE *f = NULL;
41 escaped = cescape(what);
45 unit = strjoina(dir, "/systemd-fsck-root.service");
46 log_debug("Creating %s", unit);
48 r = unit_name_from_path(what, ".device", &device);
50 return log_error_errno(r, "Failed to convert device \"%s\" to unit name: %m", what);
52 f = fopen(unit, "wxe");
54 return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
57 "# Automatically generated by %1$s\n\n"
59 "Documentation=man:systemd-fsck-root.service(8)\n"
60 "Description=File System Check on %2$s\n"
61 "DefaultDependencies=no\n"
64 "Before=shutdown.target\n"
68 "RemainAfterExit=yes\n"
69 "ExecStart=" SYSTEMD_FSCK_PATH " %4$s\n"
71 program_invocation_short_name,
76 r = fflush_and_check(f);
78 return log_error_errno(r, "Failed to write unit file %s: %m", unit);
83 int generator_write_fsck_deps(
97 if (!is_device_path(what)) {
98 log_warning("Checking was requested for \"%s\", but it is not a device.", what);
102 if (!isempty(fstype) && !streq(fstype, "auto")) {
103 r = fsck_exists(fstype);
105 /* treat missing check as essentially OK */
106 log_debug_errno(r, "Checking was requested for %s, but fsck.%s does not exist: %m", what, fstype);
109 return log_warning_errno(r, "Checking was requested for %s, but fsck.%s cannot be used: %m", what, fstype);
112 if (path_equal(where, "/")) {
115 lnk = strjoina(dir, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
117 mkdir_parents(lnk, 0755);
118 if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0)
119 return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
122 _cleanup_free_ char *_fsck = NULL;
125 if (in_initrd() && path_equal(where, "/sysroot")) {
126 r = write_fsck_sysroot_service(dir, what);
130 fsck = "systemd-fsck-root.service";
132 r = unit_name_from_path_instance("systemd-fsck", what, ".service", &_fsck);
134 return log_error_errno(r, "Failed to create fsck service name: %m");
140 "RequiresOverridable=%1$s\n"
148 int generator_write_timeouts(
155 /* Allow configuration how long we wait for a device that
156 * backs a mount point to show up. This is useful to support
157 * endless device timeouts for devices that show up only after
158 * user input, like crypto devices. */
160 _cleanup_free_ char *node = NULL, *unit = NULL, *timeout = NULL;
164 r = fstab_filter_options(opts, "comment=systemd.device-timeout\0" "x-systemd.device-timeout\0",
165 NULL, &timeout, filtered);
169 r = parse_sec(timeout, &u);
171 log_warning("Failed to parse timeout for %s, ignoring: %s", where, timeout);
175 node = fstab_node_to_udev_node(what);
179 r = unit_name_from_path(node, ".device", &unit);
181 return log_error_errno(r, "Failed to make unit name from path: %m");
183 return write_drop_in_format(dir, unit, 50, "device-timeout",
184 "# Automatically generated by %s\n\n"
185 "[Unit]\nJobTimeoutSec=" USEC_FMT,
186 program_invocation_short_name,