1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2012 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/>.
24 #include "conf-parser.h"
26 #include "dbus-common.h"
27 #include "logind-action.h"
29 int manager_handle_action(
31 InhibitWhat inhibit_key,
33 bool ignore_inhibited,
36 static const char * const message_table[_HANDLE_ACTION_MAX] = {
37 [HANDLE_POWEROFF] = "Powering Off...",
38 [HANDLE_REBOOT] = "Rebooting...",
39 [HANDLE_HALT] = "Halting...",
40 [HANDLE_KEXEC] = "Rebooting via kexec...",
41 [HANDLE_SUSPEND] = "Suspending...",
42 [HANDLE_HIBERNATE] = "Hibernating...",
43 [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
46 static const char * const target_table[_HANDLE_ACTION_MAX] = {
47 [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
48 [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
49 [HANDLE_HALT] = SPECIAL_HALT_TARGET,
50 [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
51 [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
52 [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
53 [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
58 InhibitWhat inhibit_operation;
59 bool supported = true;
63 /* If the key handling is turned off, don't do anything */
64 if (handle == HANDLE_IGNORE) {
65 log_debug("Refusing operation, as it is turned off.");
69 if (handle == HANDLE_SUSPEND)
70 supported = can_sleep("mem") > 0;
71 else if (handle == HANDLE_HIBERNATE)
72 supported = can_sleep("disk") > 0;
73 else if (handle == HANDLE_HYBRID_SLEEP)
74 supported = can_sleep("disk") > 0 && can_sleep_disk("suspend") > 0;
75 else if (handle == HANDLE_KEXEC)
76 supported = access("/sbin/kexec", X_OK) >= 0;
79 log_warning("Requested operation not supported, ignoring.");
83 /* If the key handling is inhibited, don't do anything */
84 if (inhibit_key > 0) {
85 if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
86 log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
91 /* Locking is handled differently from the rest. */
92 if (handle == HANDLE_LOCK) {
93 log_info("Locking sessions...");
94 session_send_lock_all(m, true);
98 inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
100 /* If the actual operation is inhibited, warn and fail */
101 if (!ignore_inhibited &&
102 manager_is_inhibited(m, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
104 /* If this is just a recheck of the lid switch then don't warn about anything */
106 log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
110 log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
115 log_info("%s", message_table[handle]);
117 dbus_error_init(&error);
118 r = bus_manager_shutdown_or_sleep_now_or_later(m, target_table[handle], inhibit_operation, &error);
120 log_error("Failed to execute operation: %s", bus_error_message(&error));
121 dbus_error_free(&error);
128 static const char* const handle_action_table[_HANDLE_ACTION_MAX] = {
129 [HANDLE_IGNORE] = "ignore",
130 [HANDLE_POWEROFF] = "poweroff",
131 [HANDLE_REBOOT] = "reboot",
132 [HANDLE_HALT] = "halt",
133 [HANDLE_KEXEC] = "kexec",
134 [HANDLE_SUSPEND] = "suspend",
135 [HANDLE_HIBERNATE] = "hibernate",
136 [HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
137 [HANDLE_LOCK] = "lock"
140 DEFINE_STRING_TABLE_LOOKUP(handle_action, HandleAction);
141 DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_action, handle_action, HandleAction, "Failed to parse handle action setting");