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 "sd-messages.h"
25 #include "conf-parser.h"
27 #include "sleep-config.h"
29 #include "bus-error.h"
30 #include "logind-action.h"
32 int manager_handle_action(
34 InhibitWhat inhibit_key,
36 bool ignore_inhibited,
39 static const char * const message_table[_HANDLE_ACTION_MAX] = {
40 [HANDLE_POWEROFF] = "Powering Off...",
41 [HANDLE_REBOOT] = "Rebooting...",
42 [HANDLE_HALT] = "Halting...",
43 [HANDLE_KEXEC] = "Rebooting via kexec...",
44 [HANDLE_SUSPEND] = "Suspending...",
45 [HANDLE_HIBERNATE] = "Hibernating...",
46 [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
49 static const char * const target_table[_HANDLE_ACTION_MAX] = {
50 [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
51 [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
52 [HANDLE_HALT] = SPECIAL_HALT_TARGET,
53 [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
54 [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
55 [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
56 [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
59 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
60 InhibitWhat inhibit_operation;
61 Inhibitor *offending = NULL;
67 /* If the key handling is turned off, don't do anything */
68 if (handle == HANDLE_IGNORE) {
69 log_debug("Refusing operation, as it is turned off.");
73 /* If we are docked don't react to lid closing */
74 if (inhibit_key == INHIBIT_HANDLE_LID_SWITCH) {
77 if (manager_is_docked(m)) {
78 log_debug("Ignoring lid switch request, system is docked.");
82 n = manager_count_displays(m);
84 log_debug("Ignoring lid switch request, %i displays connected.", n);
89 /* If the key handling is inhibited, don't do anything */
90 if (inhibit_key > 0) {
91 if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0, NULL)) {
92 log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
97 /* Locking is handled differently from the rest. */
98 if (handle == HANDLE_LOCK) {
103 log_info("Locking sessions...");
104 session_send_lock_all(m, true);
108 if (handle == HANDLE_SUSPEND)
109 supported = can_sleep("suspend") > 0;
110 else if (handle == HANDLE_HIBERNATE)
111 supported = can_sleep("hibernate") > 0;
112 else if (handle == HANDLE_HYBRID_SLEEP)
113 supported = can_sleep("hybrid-sleep") > 0;
114 else if (handle == HANDLE_KEXEC)
115 supported = access(KEXEC, X_OK) >= 0;
120 log_warning("Requested operation not supported, ignoring.");
124 if (m->action_what) {
125 log_debug("Action already in progress, ignoring.");
129 inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
131 /* If the actual operation is inhibited, warn and fail */
132 if (!ignore_inhibited &&
133 manager_is_inhibited(m, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0, &offending)) {
134 _cleanup_free_ char *comm = NULL, *u = NULL;
136 get_process_comm(offending->pid, &comm);
137 u = uid_to_name(offending->uid);
139 /* If this is just a recheck of the lid switch then don't warn about anything */
141 log_debug("Refusing operation, %s is inhibited by UID %lu/%s, PID %lu/%s.",
142 inhibit_what_to_string(inhibit_operation),
143 (unsigned long) offending->uid, strna(u),
144 (unsigned long) offending->pid, strna(comm));
148 log_error("Refusing operation, %s is inhibited by UID %lu/%s, PID %lu/%s.",
149 inhibit_what_to_string(inhibit_operation),
150 (unsigned long) offending->uid, strna(u),
151 (unsigned long) offending->pid, strna(comm));
157 log_info("%s", message_table[handle]);
159 r = bus_manager_shutdown_or_sleep_now_or_later(m, target_table[handle], inhibit_operation, &error);
161 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
168 static const char* const handle_action_table[_HANDLE_ACTION_MAX] = {
169 [HANDLE_IGNORE] = "ignore",
170 [HANDLE_POWEROFF] = "poweroff",
171 [HANDLE_REBOOT] = "reboot",
172 [HANDLE_HALT] = "halt",
173 [HANDLE_KEXEC] = "kexec",
174 [HANDLE_SUSPEND] = "suspend",
175 [HANDLE_HIBERNATE] = "hibernate",
176 [HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
177 [HANDLE_LOCK] = "lock"
180 DEFINE_STRING_TABLE_LOOKUP(handle_action, HandleAction);
181 DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_action, handle_action, HandleAction, "Failed to parse handle action setting");