-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- 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 <http://www.gnu.org/licenses/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <unistd.h>
-#include <systemd/sd-messages.h>
-
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-util.h"
#include "conf-parser.h"
-#include "special.h"
-#include "dbus-common.h"
+#include "format-util.h"
#include "logind-action.h"
+#include "process-util.h"
#include "sleep-config.h"
+//#include "special.h"
+#include "string-table.h"
+#include "terminal-util.h"
+#include "user-util.h"
+
+/// Additional includes needed by elogind
+#include "fd-util.h"
+#include "fileio.h"
+#include "sd-messages.h"
+#include "strv.h"
+
+#if 0 /// elogind does this itself. No target table required
+const char* manager_target_for_action(HandleAction handle) {
+ static const char * const target_table[_HANDLE_ACTION_MAX] = {
+ [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
+ [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
+ [HANDLE_HALT] = SPECIAL_HALT_TARGET,
+ [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
+ [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
+ [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
+ [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET,
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET,
+ };
+
+ assert(handle >= 0);
+ if (handle < (ssize_t) ELEMENTSOF(target_table))
+ return target_table[handle];
+ return NULL;
+}
+#endif // 0
int manager_handle_action(
Manager *m,
[HANDLE_KEXEC] = "Rebooting via kexec...",
[HANDLE_SUSPEND] = "Suspending...",
[HANDLE_HIBERNATE] = "Hibernating...",
- [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
- };
-
- static const char * const target_table[_HANDLE_ACTION_MAX] = {
- [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
- [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
- [HANDLE_HALT] = SPECIAL_HALT_TARGET,
- [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
- [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
- [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
- [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
+ [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending...",
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = "Suspending, then hibernating...",
};
- DBusError error;
- int r;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
InhibitWhat inhibit_operation;
+ Inhibitor *offending = NULL;
bool supported;
+#if 0 /// elogind uses its own variant, which can use the handle directly.
+ const char *target;
+#endif // 0
+ int r;
assert(m);
- if (m->action_what) {
- log_debug("Action already in progress, ignoring.");
- return -EALREADY;
- }
-
/* If the key handling is turned off, don't do anything */
if (handle == HANDLE_IGNORE) {
log_debug("Refusing operation, as it is turned off.");
return 0;
}
+ if (inhibit_key == INHIBIT_HANDLE_LID_SWITCH) {
+ /* If the last system suspend or startup is too close,
+ * let's not suspend for now, to give USB docking
+ * stations some time to settle so that we can
+ * properly watch its displays. */
+ if (m->lid_switch_ignore_event_source) {
+ log_debug("Ignoring lid switch request, system startup or resume too close.");
+ return 0;
+ }
+ }
+
+ /* If the key handling is inhibited, don't do anything */
+ if (inhibit_key > 0) {
+ if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0, NULL)) {
+ log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
+ return 0;
+ }
+ }
+
+ /* Locking is handled differently from the rest. */
+ if (handle == HANDLE_LOCK) {
+ if (!is_edge)
+ return 0;
+
+ log_info("Locking sessions...");
+ session_send_lock_all(m, true);
+ return 1;
+ }
+
+#if 0 /// elogind needs its own can_sleep() variant.
if (handle == HANDLE_SUSPEND)
supported = can_sleep("suspend") > 0;
else if (handle == HANDLE_HIBERNATE)
supported = can_sleep("hibernate") > 0;
else if (handle == HANDLE_HYBRID_SLEEP)
supported = can_sleep("hybrid-sleep") > 0;
+ else if (handle == HANDLE_SUSPEND_THEN_HIBERNATE)
+ supported = can_sleep("suspend-then-hibernate") > 0;
+#else
+ if (handle == HANDLE_SUSPEND)
+ supported = can_sleep(m, "suspend") > 0;
+ else if (handle == HANDLE_HIBERNATE)
+ supported = can_sleep(m, "hibernate") > 0;
+ else if (handle == HANDLE_HYBRID_SLEEP)
+ supported = can_sleep(m, "hybrid-sleep") > 0;
+ else if (handle == HANDLE_SUSPEND_THEN_HIBERNATE)
+ supported = can_sleep(m, "suspend-then-hibernate") > 0;
+#endif // 0
else if (handle == HANDLE_KEXEC)
- supported = access("/sbin/kexec", X_OK) >= 0;
+ supported = access(KEXEC, X_OK) >= 0;
else
supported = true;
if (!supported) {
log_warning("Requested operation not supported, ignoring.");
- return -ENOTSUP;
+ return -EOPNOTSUPP;
}
- /* If the key handling is inhibited, don't do anything */
- if (inhibit_key > 0) {
- if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
- log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
- return 0;
- }
+ if (m->action_what) {
+ log_debug("Action already in progress, ignoring.");
+ return -EALREADY;
}
- /* Locking is handled differently from the rest. */
- if (handle == HANDLE_LOCK) {
- log_info("Locking sessions...");
- session_send_lock_all(m, true);
- return 1;
- }
+#if 0 /// elogind uses its own variant, which can use the handle directly.
+ assert_se(target = manager_target_for_action(handle));
+#endif // 0
- inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
+ inhibit_operation = IN_SET(handle, HANDLE_SUSPEND, HANDLE_HIBERNATE,
+ HANDLE_HYBRID_SLEEP,
+ HANDLE_SUSPEND_THEN_HIBERNATE) ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
/* If the actual operation is inhibited, warn and fail */
if (!ignore_inhibited &&
- manager_is_inhibited(m, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
+ manager_is_inhibited(m, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0, &offending)) {
+ _cleanup_free_ char *comm = NULL, *u = NULL;
+
+ get_process_comm(offending->pid, &comm);
+ u = uid_to_name(offending->uid);
/* If this is just a recheck of the lid switch then don't warn about anything */
if (!is_edge) {
- log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
+ log_debug("Refusing operation, %s is inhibited by UID "UID_FMT"/%s, PID "PID_FMT"/%s.",
+ inhibit_what_to_string(inhibit_operation),
+ offending->uid, strna(u),
+ offending->pid, strna(comm));
return 0;
}
- log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
- warn_melody();
+ log_error("Refusing operation, %s is inhibited by UID "UID_FMT"/%s, PID "PID_FMT"/%s.",
+ inhibit_what_to_string(inhibit_operation),
+ offending->uid, strna(u),
+ offending->pid, strna(comm));
+
return -EPERM;
}
log_info("%s", message_table[handle]);
- dbus_error_init(&error);
- r = bus_manager_shutdown_or_sleep_now_or_later(m, target_table[handle], inhibit_operation, &error);
+#if 0 /// elogind uses its own variant, which can use the handle directly.
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, target, inhibit_operation, &error);
+#else
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, handle, inhibit_operation, &error);
+#endif // 0
if (r < 0) {
- log_error("Failed to execute operation: %s", bus_error_message(&error));
- dbus_error_free(&error);
+ log_error("Failed to execute operation: %s", bus_error_message(&error, r));
return r;
}
[HANDLE_SUSPEND] = "suspend",
[HANDLE_HIBERNATE] = "hibernate",
[HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
- [HANDLE_LOCK] = "lock"
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = "suspend-then-hibernate",
+ [HANDLE_LOCK] = "lock",
};
DEFINE_STRING_TABLE_LOOKUP(handle_action, HandleAction);