#include <string.h>
#include <unistd.h>
#include <pwd.h>
+#include <sys/capability.h>
-#include "logind.h"
-#include "dbus-common.h"
+#include "sd-id128.h"
+#include "sd-messages.h"
#include "strv.h"
#include "mkdir.h"
#include "path-util.h"
-#include "polkit.h"
#include "special.h"
#include "sleep-config.h"
-#include "systemd/sd-id128.h"
-#include "systemd/sd-messages.h"
#include "fileio-label.h"
#include "label.h"
#include "utf8.h"
#include "unit-name.h"
-#include "bus-errors.h"
#include "virt.h"
+#include "audit.h"
+#include "bus-util.h"
+#include "bus-error.h"
+#include "logind.h"
+#include "bus-errors.h"
+#include "udev-util.h"
-#define BUS_MANAGER_INTERFACE \
- " <interface name=\"org.freedesktop.login1.Manager\">\n" \
- " <method name=\"GetSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"GetSessionByPID\">\n" \
- " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"GetUser\">\n" \
- " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"GetUserByPID\">\n" \
- " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"GetSeat\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"ListSessions\">\n" \
- " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"ListUsers\">\n" \
- " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"ListSeats\">\n" \
- " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"CreateSession\">\n" \
- " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"service\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \
- " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
- " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
- " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
- " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
- " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \
- " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \
- " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"ReleaseSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"ActivateSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"ActivateSessionOnSeat\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"LockSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"UnlockSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"LockSessions\"/>\n" \
- " <method name=\"UnlockSessions\"/>\n" \
- " <method name=\"KillSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"KillUser\">\n" \
- " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"TerminateSession\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"TerminateUser\">\n" \
- " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"TerminateSeat\">\n" \
- " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"SetUserLinger\">\n" \
- " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"AttachDevice\">\n" \
- " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"FlushDevices\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"PowerOff\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"Reboot\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"Suspend\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"Hibernate\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"HybridSleep\">\n" \
- " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
- " </method>\n" \
- " <method name=\"CanPowerOff\">\n" \
- " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"CanReboot\">\n" \
- " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"CanSuspend\">\n" \
- " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"CanHibernate\">\n" \
- " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"CanHybridSleep\">\n" \
- " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"Inhibit\">\n" \
- " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <method name=\"ListInhibitors\">\n" \
- " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \
- " </method>\n" \
- " <signal name=\"SessionNew\">\n" \
- " <arg name=\"id\" type=\"s\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"SessionRemoved\">\n" \
- " <arg name=\"id\" type=\"s\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"UserNew\">\n" \
- " <arg name=\"uid\" type=\"u\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"UserRemoved\">\n" \
- " <arg name=\"uid\" type=\"u\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"SeatNew\">\n" \
- " <arg name=\"id\" type=\"s\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"SeatRemoved\">\n" \
- " <arg name=\"id\" type=\"s\"/>\n" \
- " <arg name=\"path\" type=\"o\"/>\n" \
- " </signal>\n" \
- " <signal name=\"PrepareForShutdown\">\n" \
- " <arg name=\"active\" type=\"b\"/>\n" \
- " </signal>\n" \
- " <signal name=\"PrepareForSleep\">\n" \
- " <arg name=\"active\" type=\"b\"/>\n" \
- " </signal>\n" \
- " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
- " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
- " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
- " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
- " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
- " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"IdleAction\" type=\"s\" access=\"read\"/>\n" \
- " <property name=\"IdleActionUSec\" type=\"t\" access=\"read\"/>\n" \
- " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \
- " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \
- " </interface>\n"
-
-#define INTROSPECTION_BEGIN \
- DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
- "<node>\n" \
- BUS_MANAGER_INTERFACE \
- BUS_PROPERTIES_INTERFACE \
- BUS_PEER_INTERFACE \
- BUS_INTROSPECTABLE_INTERFACE
-
-#define INTROSPECTION_END \
- "</node>\n"
-
-#define INTERFACES_LIST \
- BUS_GENERIC_INTERFACES_LIST \
- "org.freedesktop.login1.Manager\0"
-
-static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
- Manager *m = data;
- dbus_bool_t b;
-
- assert(i);
- assert(property);
- assert(m);
+static int property_get_idle_hint(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
- b = manager_get_idle_hint(m, NULL) > 0;
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
- return -ENOMEM;
+ Manager *m = userdata;
- return 0;
+ assert(bus);
+ assert(reply);
+ assert(m);
+
+ return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0);
}
-static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
- Manager *m = data;
+static int property_get_idle_since_hint(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
dual_timestamp t;
- uint64_t u;
- assert(i);
- assert(property);
+ assert(bus);
+ assert(reply);
assert(m);
manager_get_idle_hint(m, &t);
- u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
- return -ENOMEM;
-
- return 0;
+ return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic);
}
-static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) {
- Manager *m = data;
+static int property_get_inhibited(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
InhibitWhat w;
- const char *p;
- w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
- p = inhibit_what_to_string(w);
+ assert(bus);
+ assert(reply);
+ assert(m);
- if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p))
- return -ENOMEM;
+ w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY);
- return 0;
+ return sd_bus_message_append(reply, "s", inhibit_what_to_string(w));
}
-static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) {
- Manager *m = data;
- dbus_bool_t b;
+static int property_get_preparing(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
+ bool b;
- assert(i);
- assert(property);
+ assert(bus);
+ assert(reply);
+ assert(m);
if (streq(property, "PreparingForShutdown"))
b = !!(m->action_what & INHIBIT_SHUTDOWN);
else
b = !!(m->action_what & INHIBIT_SLEEP);
- dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b);
- return 0;
+ return sd_bus_message_append(reply, "b", b);
}
-static int bus_manager_create_session(Manager *m, DBusMessage *message) {
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
- const char *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *service;
- uint32_t uid, leader, audit_id = 0;
- _cleanup_free_ char *id = NULL;
- Session *session = NULL;
- User *user = NULL;
- Seat *seat = NULL;
- DBusMessageIter iter;
- dbus_bool_t remote;
- uint32_t vtnr = 0;
- SessionType t;
- SessionClass c;
- bool b;
+static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *p = NULL;
+ Manager *m = userdata;
+ const char *name;
+ Session *session;
int r;
- assert(m);
+ assert(bus);
assert(message);
+ assert(m);
- if (!dbus_message_iter_init(message, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
- return -EINVAL;
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
- dbus_message_iter_get_basic(&iter, &uid);
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
- return -EINVAL;
+ p = session_bus_path(session);
+ if (!p)
+ return -ENOMEM;
- dbus_message_iter_get_basic(&iter, &leader);
+ return sd_bus_reply_method_return(message, "o", p);
+}
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *p = NULL;
+ Session *session = NULL;
+ Manager *m = userdata;
+ pid_t pid;
+ int r;
- dbus_message_iter_get_basic(&iter, &service);
+ assert(bus);
+ assert(message);
+ assert(m);
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ assert_cc(sizeof(pid_t) == sizeof(uint32_t));
- dbus_message_iter_get_basic(&iter, &type);
- if (isempty(type))
- t = _SESSION_TYPE_INVALID;
- else {
- t = session_type_from_string(type);
- if (t < 0)
- return -EINVAL;
- }
+ r = sd_bus_message_read(message, "u", &pid);
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ if (pid == 0) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
- dbus_message_iter_get_basic(&iter, &class);
- if (isempty(class))
- c = _SESSION_CLASS_INVALID;
- else {
- c = session_class_from_string(class);
- if (c < 0)
- return -EINVAL;
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_creds_get_pid(creds, &pid);
+ if (r < 0)
+ return r;
}
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ r = manager_get_session_by_pid(m, pid, &session);
+ if (r < 0)
+ return r;
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID %lu does not belong to any known session", (unsigned long) pid);
- dbus_message_iter_get_basic(&iter, &cseat);
+ p = session_bus_path(session);
+ if (!p)
+ return -ENOMEM;
- if (isempty(cseat))
- seat = NULL;
- else {
- seat = hashmap_get(m->seats, cseat);
- if (!seat)
- return -ENOENT;
- }
+ return sd_bus_reply_method_return(message, "o", p);
+}
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
- return -EINVAL;
+static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *p = NULL;
+ Manager *m = userdata;
+ uint32_t uid;
+ User *user;
+ int r;
- dbus_message_iter_get_basic(&iter, &vtnr);
+ assert(bus);
+ assert(message);
+ assert(m);
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ r = sd_bus_message_read(message, "u", &uid);
+ if (r < 0)
+ return r;
- dbus_message_iter_get_basic(&iter, &tty);
+ user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+ if (!user)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
- if (tty_is_vc(tty)) {
- int v;
+ p = user_bus_path(user);
+ if (!p)
+ return -ENOMEM;
- if (!seat)
- seat = m->seat0;
- else if (seat != m->seat0)
- return -EINVAL;
+ return sd_bus_reply_method_return(message, "o", p);
+}
- v = vtnr_from_tty(tty);
+static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *p = NULL;
+ Manager *m = userdata;
+ User *user = NULL;
+ pid_t pid;
+ int r;
- if (v <= 0)
- return v < 0 ? v : -EINVAL;
+ assert(bus);
+ assert(message);
+ assert(m);
- if (vtnr <= 0)
- vtnr = (uint32_t) v;
- else if (vtnr != (uint32_t) v)
- return -EINVAL;
- } else if (tty_is_console(tty)) {
+ assert_cc(sizeof(pid_t) == sizeof(uint32_t));
- if (!seat)
- seat = m->seat0;
- else if (seat != m->seat0)
- return -EINVAL;
+ r = sd_bus_message_read(message, "u", &pid);
+ if (r < 0)
+ return r;
- if (vtnr != 0)
- return -EINVAL;
- }
+ if (pid == 0) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
- if (seat) {
- if (seat_can_multi_session(seat)) {
- if (vtnr > 63)
- return -EINVAL;
- } else {
- if (vtnr != 0)
- return -EINVAL;
- }
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_creds_get_pid(creds, &pid);
+ if (r < 0)
+ return r;
}
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ r = manager_get_user_by_pid(m, pid, &user);
+ if (r < 0)
+ return r;
+ if (!user)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid);
- dbus_message_iter_get_basic(&iter, &display);
+ p = user_bus_path(user);
+ if (!p)
+ return -ENOMEM;
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN)
- return -EINVAL;
+ return sd_bus_reply_method_return(message, "o", p);
+}
- if (t == _SESSION_TYPE_INVALID) {
- if (!isempty(display))
- t = SESSION_X11;
- else if (!isempty(tty))
- t = SESSION_TTY;
- else
- t = SESSION_UNSPECIFIED;
- }
+static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *p = NULL;
+ Manager *m = userdata;
+ const char *name;
+ Seat *seat;
+ int r;
- if (c == _SESSION_CLASS_INVALID) {
- if (!isempty(display) || !isempty(tty))
- c = SESSION_USER;
- else
- c = SESSION_BACKGROUND;
- }
+ assert(bus);
+ assert(message);
+ assert(m);
- dbus_message_iter_get_basic(&iter, &remote);
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ seat = hashmap_get(m->seats, name);
+ if (!seat)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
- dbus_message_iter_get_basic(&iter, &remote_user);
+ p = seat_bus_path(seat);
+ if (!p)
+ return -ENOMEM;
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
+ return sd_bus_reply_method_return(message, "o", p);
+}
- dbus_message_iter_get_basic(&iter, &remote_host);
+static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int r;
- if (leader <= 0) {
- leader = bus_get_unix_process_id(m->bus, dbus_message_get_sender(message), NULL);
- if (leader == 0)
- return -EINVAL;
- }
+ assert(bus);
+ assert(message);
+ assert(m);
- r = manager_get_session_by_pid(m, leader, &session);
- if (session) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- _cleanup_free_ char *path = NULL;
- _cleanup_close_ int fifo_fd = -1;
- dbus_bool_t exists;
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
- /* Session already exists, client is probably
- * something like "su" which changes uid but is still
- * the same session */
+ r = sd_bus_message_open_container(reply, 'a', "(susso)");
+ if (r < 0)
+ return r;
- fifo_fd = session_create_fifo(session);
- if (fifo_fd < 0) {
- r = fifo_fd;
- goto fail;
- }
+ HASHMAP_FOREACH(session, m->sessions, i) {
+ _cleanup_free_ char *p = NULL;
- path = session_bus_path(session);
- if (!path) {
- r = -ENOMEM;
- goto fail;
- }
+ p = session_bus_path(session);
+ if (!p)
+ return -ENOMEM;
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- r = -ENOMEM;
- goto fail;
- }
+ r = sd_bus_message_append(reply, "(susso)",
+ session->id,
+ (uint32_t) session->user->uid,
+ session->user->name,
+ session->seat ? session->seat->id : "",
+ p);
+ if (r < 0)
+ return r;
+ }
- cseat = session->seat ? session->seat->id : "";
- vtnr = session->vtnr;
- exists = true;
-
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_STRING, &session->id,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_STRING, &session->user->runtime_path,
- DBUS_TYPE_UNIX_FD, &fifo_fd,
- DBUS_TYPE_STRING, &cseat,
- DBUS_TYPE_UINT32, &vtnr,
- DBUS_TYPE_BOOLEAN, &exists,
- DBUS_TYPE_INVALID);
- if (!b) {
- r = -ENOMEM;
- goto fail;
- }
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
- if (!dbus_connection_send(m->bus, reply, NULL)) {
- r = -ENOMEM;
- goto fail;
- }
+ return sd_bus_send(bus, reply, NULL);
+}
- return 0;
- }
+static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ Manager *m = userdata;
+ User *user;
+ Iterator i;
+ int r;
- audit_session_from_pid(leader, &audit_id);
- if (audit_id > 0) {
- /* Keep our session IDs and the audit session IDs in sync */
+ assert(bus);
+ assert(message);
+ assert(m);
- if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) {
- r = -ENOMEM;
- goto fail;
- }
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
- /* Wut? There's already a session by this name and we
- * didn't find it above? Weird, then let's not trust
- * the audit data and let's better register a new
- * ID */
- if (hashmap_get(m->sessions, id)) {
- log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
- audit_id = 0;
+ r = sd_bus_message_open_container(reply, 'a', "(uso)");
+ if (r < 0)
+ return r;
- free(id);
- id = NULL;
- }
+ HASHMAP_FOREACH(user, m->users, i) {
+ _cleanup_free_ char *p = NULL;
+
+ p = user_bus_path(user);
+ if (!p)
+ return -ENOMEM;
+
+ r = sd_bus_message_append(reply, "(uso)",
+ (uint32_t) user->uid,
+ user->name,
+ p);
+ if (r < 0)
+ return r;
}
- if (!id) {
- do {
- free(id);
- id = NULL;
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, reply, NULL);
+}
- if (asprintf(&id, "c%lu", ++m->session_counter) < 0) {
- r = -ENOMEM;
- goto fail;
- }
+static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ Manager *m = userdata;
+ Seat *seat;
+ Iterator i;
+ int r;
- } while (hashmap_get(m->sessions, id));
- }
+ assert(bus);
+ assert(message);
+ assert(m);
- r = manager_add_user_by_uid(m, uid, &user);
+ r = sd_bus_message_new_method_return(message, &reply);
if (r < 0)
- goto fail;
+ return r;
- r = manager_add_session(m, id, &session);
+ r = sd_bus_message_open_container(reply, 'a', "(so)");
if (r < 0)
- goto fail;
+ return r;
- session_set_user(session, user);
+ HASHMAP_FOREACH(seat, m->seats, i) {
+ _cleanup_free_ char *p = NULL;
- session->leader = leader;
+ p = seat_bus_path(seat);
+ if (!p)
+ return -ENOMEM;
+
+ r = sd_bus_message_append(reply, "(so)", seat->id, p);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, reply, NULL);
+}
+
+static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ Manager *m = userdata;
+ Inhibitor *inhibitor;
+ Iterator i;
+ int r;
+
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(reply, 'a', "(ssssuu)");
+ if (r < 0)
+ return r;
+
+ HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
+
+ r = sd_bus_message_append(reply, "(ssssuu)",
+ strempty(inhibit_what_to_string(inhibitor->what)),
+ strempty(inhibitor->who),
+ strempty(inhibitor->why),
+ strempty(inhibit_mode_to_string(inhibitor->mode)),
+ (uint32_t) inhibitor->uid,
+ (uint32_t) inhibitor->pid);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, reply, NULL);
+}
+
+static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop;
+ uint32_t uid, leader, audit_id = 0;
+ _cleanup_free_ char *id = NULL;
+ Session *session = NULL;
+ Manager *m = userdata;
+ User *user = NULL;
+ Seat *seat = NULL;
+ int remote;
+ uint32_t vtnr = 0;
+ SessionType t;
+ SessionClass c;
+ int r;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host);
+ if (r < 0)
+ return r;
+
+ if (leader == 1)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID");
+
+ if (isempty(type))
+ t = _SESSION_TYPE_INVALID;
+ else {
+ t = session_type_from_string(type);
+ if (t < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type);
+ }
+
+ if (isempty(class))
+ c = _SESSION_CLASS_INVALID;
+ else {
+ c = session_class_from_string(class);
+ if (c < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class);
+ }
+
+ if (isempty(desktop))
+ desktop = NULL;
+ else {
+ if (!string_is_safe(desktop))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop);
+ }
+
+ if (isempty(cseat))
+ seat = NULL;
+ else {
+ seat = hashmap_get(m->seats, cseat);
+ if (!seat)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat);
+ }
+
+ if (tty_is_vc(tty)) {
+ int v;
+
+ if (!seat)
+ seat = m->seat0;
+ else if (seat != m->seat0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id);
+
+ v = vtnr_from_tty(tty);
+ if (v <= 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty);
+
+ if (!vtnr)
+ vtnr = (uint32_t) v;
+ else if (vtnr != (uint32_t) v)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match");
+
+ } else if (tty_is_console(tty)) {
+
+ if (!seat)
+ seat = m->seat0;
+ else if (seat != m->seat0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0");
+
+ if (vtnr != 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0");
+ }
+
+ if (seat) {
+ if (seat_has_vts(seat)) {
+ if (!vtnr || vtnr > 63)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range");
+ } else {
+ if (vtnr != 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0");
+ }
+ }
+
+ r = sd_bus_message_enter_container(message, 'a', "(sv)");
+ if (r < 0)
+ return r;
+
+ if (t == _SESSION_TYPE_INVALID) {
+ if (!isempty(display))
+ t = SESSION_X11;
+ else if (!isempty(tty))
+ t = SESSION_TTY;
+ else
+ t = SESSION_UNSPECIFIED;
+ }
+
+ if (c == _SESSION_CLASS_INVALID) {
+ if (t == SESSION_UNSPECIFIED)
+ c = SESSION_BACKGROUND;
+ else
+ c = SESSION_USER;
+ }
+
+ if (leader <= 0) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+ if (r < 0)
+ return r;
+
+ assert_cc(sizeof(uint32_t) == sizeof(pid_t));
+
+ r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
+ if (r < 0)
+ return r;
+ }
+
+ manager_get_session_by_pid(m, leader, &session);
+ if (session) {
+ _cleanup_free_ char *path = NULL;
+ _cleanup_close_ int fifo_fd = -1;
+
+ /* Session already exists, client is probably
+ * something like "su" which changes uid but is still
+ * the same session */
+
+ fifo_fd = session_create_fifo(session);
+ if (fifo_fd < 0)
+ return fifo_fd;
+
+ path = session_bus_path(session);
+ if (!path)
+ return -ENOMEM;
+
+ log_debug("Sending reply about an existing session: "
+ "id=%s object_path=%s uid=%u runtime_path=%s "
+ "session_fd=%d seat=%s vtnr=%u",
+ session->id,
+ path,
+ (uint32_t) session->user->uid,
+ session->user->runtime_path,
+ fifo_fd,
+ session->seat ? session->seat->id : "",
+ (uint32_t) session->vtnr);
+
+ return sd_bus_reply_method_return(
+ message, "soshusub",
+ session->id,
+ path,
+ session->user->runtime_path,
+ fifo_fd,
+ (uint32_t) session->user->uid,
+ session->seat ? session->seat->id : "",
+ (uint32_t) session->vtnr,
+ true);
+ }
+
+ audit_session_from_pid(leader, &audit_id);
+ if (audit_id > 0) {
+ /* Keep our session IDs and the audit session IDs in sync */
+
+ if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0)
+ return -ENOMEM;
+
+ /* Wut? There's already a session by this name and we
+ * didn't find it above? Weird, then let's not trust
+ * the audit data and let's better register a new
+ * ID */
+ if (hashmap_get(m->sessions, id)) {
+ log_warning("Existing logind session ID %s used by new audit session, ignoring", id);
+ audit_id = 0;
+
+ free(id);
+ id = NULL;
+ }
+ }
+
+ if (!id) {
+ do {
+ free(id);
+ id = NULL;
+
+ if (asprintf(&id, "c%lu", ++m->session_counter) < 0)
+ return -ENOMEM;
+
+ } while (hashmap_get(m->sessions, id));
+ }
+
+ r = manager_add_user_by_uid(m, uid, &user);
+ if (r < 0)
+ goto fail;
+
+ r = manager_add_session(m, id, &session);
+ if (r < 0)
+ goto fail;
+
+ session_set_user(session, user);
+
+ session->leader = leader;
session->audit_id = audit_id;
session->type = t;
session->class = c;
}
}
+ if (!isempty(desktop)) {
+ session->desktop = strdup(desktop);
+ if (!session->desktop) {
+ r = -ENOMEM;
+ goto fail;
+ }
+ }
+
if (seat) {
r = seat_attach_session(seat, session);
if (r < 0)
if (r < 0)
goto fail;
- session->create_message = dbus_message_ref(message);
+ session->create_message = sd_bus_message_ref(message);
/* Now, let's wait until the slice unit and stuff got
* created. We send the reply back from
* session_send_create_reply().*/
- return 0;
+ return 1;
fail:
if (session)
return r;
}
-static int bus_manager_inhibit(
- Manager *m,
- DBusConnection *connection,
- DBusMessage *message,
- DBusError *error,
- DBusMessage **_reply) {
-
- Inhibitor *i = NULL;
- char *id = NULL;
- const char *who, *why, *what, *mode;
- pid_t pid;
- InhibitWhat w;
- InhibitMode mm;
- unsigned long ul;
- int r, fifo_fd = -1;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ const char *name;
+ int r;
- assert(m);
- assert(connection);
+ assert(bus);
assert(message);
- assert(error);
- assert(_reply);
-
- if (!dbus_message_get_args(
- message,
- error,
- DBUS_TYPE_STRING, &what,
- DBUS_TYPE_STRING, &who,
- DBUS_TYPE_STRING, &why,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID)) {
- r = -EIO;
- goto fail;
- }
+ assert(m);
- w = inhibit_what_from_string(what);
- if (w <= 0) {
- r = -EINVAL;
- goto fail;
- }
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
- mm = inhibit_mode_from_string(mode);
- if (mm < 0) {
- r = -EINVAL;
- goto fail;
- }
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
- /* Delay is only supported for shutdown/sleep */
- if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) {
- r = -EINVAL;
- goto fail;
- }
+ session_release(session);
- /* Don't allow taking delay locks while we are already
- * executing the operation. We shouldn't create the impression
- * that the lock was successful if the machine is about to go
- * down/suspend any moment. */
- if (m->action_what & w) {
- r = -EALREADY;
- goto fail;
- }
+ return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ const char *name;
+ int r;
+
+ assert(bus);
+ assert(message);
+ assert(m);
- r = verify_polkit(connection, message,
- w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
- w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
- w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
- w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
- w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
- w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
- "org.freedesktop.login1.inhibit-handle-lid-switch",
- false, NULL, error);
+ r = sd_bus_message_read(message, "s", &name);
if (r < 0)
- goto fail;
+ return r;
- ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
- if (ul == (unsigned long) -1) {
- r = -EIO;
- goto fail;
- }
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
- pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error);
- if (pid <= 0) {
- r = -EIO;
- goto fail;
- }
+ r = session_activate(session);
+ if (r < 0)
+ return r;
- do {
- free(id);
- id = NULL;
+ return sd_bus_reply_method_return(message, NULL);
+}
- if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) {
- r = -ENOMEM;
- goto fail;
- }
- } while (hashmap_get(m->inhibitors, id));
+static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *session_name, *seat_name;
+ Manager *m = userdata;
+ Session *session;
+ Seat *seat;
+ int r;
- r = manager_add_inhibitor(m, id, &i);
- free(id);
+ assert(bus);
+ assert(message);
+ assert(m);
- if (r < 0)
- goto fail;
+ /* Same as ActivateSession() but refuses to work if
+ * the seat doesn't match */
- i->what = w;
- i->mode = mm;
- i->pid = pid;
- i->uid = (uid_t) ul;
- i->why = strdup(why);
- i->who = strdup(who);
-
- if (!i->why || !i->who) {
- r = -ENOMEM;
- goto fail;
- }
-
- fifo_fd = inhibitor_create_fifo(i);
- if (fifo_fd < 0) {
- r = fifo_fd;
- goto fail;
- }
-
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- r = -ENOMEM;
- goto fail;
- }
-
- if (!dbus_message_append_args(
- reply,
- DBUS_TYPE_UNIX_FD, &fifo_fd,
- DBUS_TYPE_INVALID)) {
- r = -ENOMEM;
- goto fail;
- }
+ r = sd_bus_message_read(message, "ss", &session_name, &seat_name);
+ if (r < 0)
+ return r;
- close_nointr_nofail(fifo_fd);
- *_reply = reply;
- reply = NULL;
+ session = hashmap_get(m->sessions, session_name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name);
- inhibitor_start(i);
+ seat = hashmap_get(m->seats, seat_name);
+ if (!seat)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name);
- return 0;
+ if (session->seat != seat)
+ return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
-fail:
- if (i)
- inhibitor_free(i);
-
- if (fifo_fd >= 0)
- close_nointr_nofail(fifo_fd);
+ r = session_activate(session);
+ if (r < 0)
+ return r;
- return r;
+ return sd_bus_reply_method_return(message, NULL);
}
-static int trigger_device(Manager *m, struct udev_device *d) {
- struct udev_enumerate *e;
- struct udev_list_entry *first, *item;
+static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ const char *name;
int r;
+ assert(bus);
+ assert(message);
assert(m);
- e = udev_enumerate_new(m->udev);
- if (!e) {
- r = -ENOMEM;
- goto finish;
- }
-
- if (d) {
- if (udev_enumerate_add_match_parent(e, d) < 0) {
- r = -EIO;
- goto finish;
- }
- }
-
- if (udev_enumerate_scan_devices(e) < 0) {
- r = -EIO;
- goto finish;
- }
-
- first = udev_enumerate_get_list_entry(e);
- udev_list_entry_foreach(item, first) {
- char *t;
- const char *p;
-
- p = udev_list_entry_get_name(item);
-
- t = strappend(p, "/uevent");
- if (!t) {
- r = -ENOMEM;
- goto finish;
- }
-
- write_string_file(t, "change");
- free(t);
- }
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
- r = 0;
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
-finish:
- if (e)
- udev_enumerate_unref(e);
+ r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession"));
+ if (r < 0)
+ return r;
- return r;
+ return sd_bus_reply_method_return(message, NULL);
}
-static int attach_device(Manager *m, const char *seat, const char *sysfs) {
- struct udev_device *d;
- _cleanup_free_ char *rule = NULL, *file = NULL;
- const char *id_for_seat;
+static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
int r;
+ assert(bus);
+ assert(message);
assert(m);
- assert(seat);
- assert(sysfs);
- d = udev_device_new_from_syspath(m->udev, sysfs);
- if (!d)
- return -ENODEV;
-
- if (!udev_device_has_tag(d, "seat")) {
- r = -ENODEV;
- goto finish;
- }
-
- id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
- if (!id_for_seat) {
- r = -ENODEV;
- goto finish;
- }
-
- if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) {
- r = -ENOMEM;
- goto finish;
- }
-
- if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) {
- r = -ENOMEM;
- goto finish;
- }
-
- mkdir_p_label("/etc/udev/rules.d", 0755);
- label_init("/etc");
- r = write_string_file_atomic_label(file, rule);
+ r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
if (r < 0)
- goto finish;
-
- r = trigger_device(m, d);
-
-finish:
- if (d)
- udev_device_unref(d);
-
- return r;
-}
-
-static int flush_devices(Manager *m) {
- _cleanup_closedir_ DIR *d;
-
- assert(m);
-
- d = opendir("/etc/udev/rules.d");
- if (!d) {
- if (errno != ENOENT)
- log_warning("Failed to open /etc/udev/rules.d: %m");
- } else {
- struct dirent *de;
-
- while ((de = readdir(d))) {
-
- if (!dirent_is_file(de))
- continue;
-
- if (!startswith(de->d_name, "72-seat-"))
- continue;
-
- if (!endswith(de->d_name, ".rules"))
- continue;
-
- if (unlinkat(dirfd(d), de->d_name, 0) < 0)
- log_warning("Failed to unlink %s: %m", de->d_name);
- }
- }
+ return r;
- return trigger_device(m, NULL);
+ return sd_bus_reply_method_return(message, NULL);
}
-static int have_multiple_sessions(
- Manager *m,
- uid_t uid) {
-
+static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *name, *swho;
+ Manager *m = userdata;
Session *session;
- Iterator i;
+ int32_t signo;
+ KillWho who;
+ int r;
+ assert(bus);
+ assert(message);
assert(m);
- /* Check for other users' sessions. Greeter sessions do not
- * count, and non-login sessions do not count either. */
- HASHMAP_FOREACH(session, m->sessions, i)
- if (session->class == SESSION_USER &&
- session->user->uid != uid)
- return true;
-
- return false;
-}
-
-static int bus_manager_log_shutdown(
- Manager *m,
- InhibitWhat w,
- const char *unit_name) {
+ r = sd_bus_message_read(message, "ssi", &name, &swho, &signo);
+ if (r < 0)
+ return r;
- const char *p, *q;
+ if (isempty(swho))
+ who = KILL_ALL;
+ else {
+ who = kill_who_from_string(swho);
+ if (who < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
+ }
- assert(m);
- assert(unit_name);
+ if (signo <= 0 || signo >= _NSIG)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
- if (w != INHIBIT_SHUTDOWN)
- return 0;
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
- if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
- p = "MESSAGE=System is powering down.";
- q = "SHUTDOWN=power-off";
- } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
- p = "MESSAGE=System is halting.";
- q = "SHUTDOWN=halt";
- } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
- p = "MESSAGE=System is rebooting.";
- q = "SHUTDOWN=reboot";
- } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
- p = "MESSAGE=System is rebooting with kexec.";
- q = "SHUTDOWN=kexec";
- } else {
- p = "MESSAGE=System is shutting down.";
- q = NULL;
- }
+ r = session_kill(session, who, signo);
+ if (r < 0)
+ return r;
- return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
- p,
- q, NULL);
+ return sd_bus_reply_method_return(message, NULL);
}
-static int execute_shutdown_or_sleep(
- Manager *m,
- InhibitWhat w,
- const char *unit_name,
- DBusError *error) {
-
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *mode = "replace-irreversibly", *p;
+static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ uint32_t uid;
+ int32_t signo;
+ User *user;
int r;
- char *c;
+ assert(bus);
+ assert(message);
assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(unit_name);
-
- bus_manager_log_shutdown(m, w, unit_name);
- r = bus_method_call_with_reply(
- m->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- &reply,
- error,
- DBUS_TYPE_STRING, &unit_name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID);
+ r = sd_bus_message_read(message, "ui", &uid, &signo);
if (r < 0)
return r;
- if (!dbus_message_get_args(
- reply,
- error,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID))
- return -EINVAL;
-
- c = strdup(p);
- if (!c)
- return -ENOMEM;
-
- m->action_unit = unit_name;
- free(m->action_job);
- m->action_job = c;
- m->action_what = w;
-
- return 0;
-}
+ if (signo <= 0 || signo >= _NSIG)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
-static int delay_shutdown_or_sleep(
- Manager *m,
- InhibitWhat w,
- const char *unit_name) {
+ user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+ if (!user)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
- assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(unit_name);
-
- m->action_timestamp = now(CLOCK_MONOTONIC);
- m->action_unit = unit_name;
- m->action_what = w;
+ r = user_kill(user, signo);
+ if (r < 0)
+ return r;
- return 0;
+ return sd_bus_reply_method_return(message, NULL);
}
-static int bus_manager_can_shutdown_or_sleep(
- Manager *m,
- DBusConnection *connection,
- DBusMessage *message,
- InhibitWhat w,
- const char *action,
- const char *action_multiple_sessions,
- const char *action_ignore_inhibit,
- const char *sleep_verb,
- DBusError *error,
- DBusMessage **_reply) {
-
- bool multiple_sessions, challenge, blocked, b;
- const char *result = NULL;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ const char *name;
+ Session *session;
int r;
- unsigned long ul;
- assert(m);
- assert(connection);
+ assert(bus);
assert(message);
- assert(w >= 0);
- assert(w <= _INHIBIT_WHAT_MAX);
- assert(action);
- assert(action_multiple_sessions);
- assert(action_ignore_inhibit);
- assert(error);
- assert(_reply);
-
- if (sleep_verb) {
- r = can_sleep(sleep_verb);
- if (r < 0)
- return r;
- if (r == 0) {
- result = "na";
- goto finish;
- }
- }
-
- ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
- if (ul == (unsigned long) -1)
- return -EIO;
+ assert(m);
- r = have_multiple_sessions(m, (uid_t) ul);
+ r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
- multiple_sessions = r > 0;
- blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul);
-
- if (multiple_sessions) {
- r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error);
- if (r < 0)
- return r;
-
- if (r > 0)
- result = "yes";
- else if (challenge)
- result = "challenge";
- else
- result = "no";
- }
-
- if (blocked) {
- r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error);
- if (r < 0)
- return r;
-
- if (r > 0 && !result)
- result = "yes";
- else if (challenge && (!result || streq(result, "yes")))
- result = "challenge";
- else
- result = "no";
- }
-
- if (!multiple_sessions && !blocked) {
- /* If neither inhibit nor multiple sessions
- * apply then just check the normal policy */
-
- r = verify_polkit(connection, message, action, false, &challenge, error);
- if (r < 0)
- return r;
-
- if (r > 0)
- result = "yes";
- else if (challenge)
- result = "challenge";
- else
- result = "no";
- }
-
-finish:
- reply = dbus_message_new_method_return(message);
- if (!reply)
- return -ENOMEM;
-
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_STRING, &result,
- DBUS_TYPE_INVALID);
- if (!b)
- return -ENOMEM;
-
- *_reply = reply;
- reply = NULL;
- return 0;
-}
-
-static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
- static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
- [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
- [INHIBIT_SLEEP] = "PrepareForSleep"
- };
+ session = hashmap_get(m->sessions, name);
+ if (!session)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
- dbus_bool_t active = _active;
- _cleanup_dbus_message_unref_ DBusMessage *message = NULL;
+ r = session_stop(session, true);
+ if (r < 0)
+ return r;
+
+ return sd_bus_reply_method_return(message, NULL);
+}
+static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ uint32_t uid;
+ User *user;
+ int r;
+
+ assert(bus);
+ assert(message);
assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(signal_name[w]);
- message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]);
- if (!message)
- return -ENOMEM;
+ r = sd_bus_message_read(message, "u", &uid);
+ if (r < 0)
+ return r;
- if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) ||
- !dbus_connection_send(m->bus, message, NULL))
- return -ENOMEM;
+ user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+ if (!user)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid);
- return 0;
-}
+ r = user_stop(user, true);
+ if (r < 0)
+ return r;
-int bus_manager_shutdown_or_sleep_now_or_later(
- Manager *m,
- const char *unit_name,
- InhibitWhat w,
- DBusError *error) {
+ return sd_bus_reply_method_return(message, NULL);
+}
- bool delayed;
+static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ const char *name;
+ Seat *seat;
int r;
+ assert(bus);
+ assert(message);
assert(m);
- assert(unit_name);
- assert(w >= 0);
- assert(w <= _INHIBIT_WHAT_MAX);
- assert(!m->action_job);
- /* Tell everybody to prepare for shutdown/sleep */
- send_prepare_for(m, w, true);
+ r = sd_bus_message_read(message, "s", &name);
+ if (r < 0)
+ return r;
- delayed =
- m->inhibit_delay_max > 0 &&
- manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0);
+ seat = hashmap_get(m->seats, name);
+ if (!seat)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
- if (delayed)
- /* Shutdown is delayed, keep in mind what we
- * want to do, and start a timeout */
- r = delay_shutdown_or_sleep(m, w, unit_name);
- else
- /* Shutdown is not delayed, execute it
- * immediately */
- r = execute_shutdown_or_sleep(m, w, unit_name, error);
+ r = seat_stop_sessions(seat, true);
+ if (r < 0)
+ return r;
- return r;
+ return sd_bus_reply_method_return(message, NULL);
}
-static int bus_manager_do_shutdown_or_sleep(
- Manager *m,
- DBusConnection *connection,
- DBusMessage *message,
- const char *unit_name,
- InhibitWhat w,
- const char *action,
- const char *action_multiple_sessions,
- const char *action_ignore_inhibit,
- const char *sleep_verb,
- DBusError *error,
- DBusMessage **_reply) {
-
- dbus_bool_t interactive;
- bool multiple_sessions, blocked;
- DBusMessage *reply = NULL;
- int r;
- unsigned long ul;
+static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *cc = NULL;
+ Manager *m = userdata;
+ int b, r;
+ struct passwd *pw;
+ const char *path;
+ uint32_t uid;
+ int interactive;
- assert(m);
- assert(connection);
+ assert(bus);
assert(message);
- assert(unit_name);
- assert(w >= 0);
- assert(w <= _INHIBIT_WHAT_MAX);
- assert(action);
- assert(action_multiple_sessions);
- assert(action_ignore_inhibit);
- assert(error);
- assert(_reply);
-
- /* Don't allow multiple jobs being executed at the same time */
- if (m->action_what)
- return -EALREADY;
+ assert(m);
- if (!dbus_message_get_args(
- message,
- error,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return -EINVAL;
+ r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive);
+ if (r < 0)
+ return r;
- if (sleep_verb) {
- r = can_sleep(sleep_verb);
- if (r < 0)
- return r;
+ errno = 0;
+ pw = getpwuid(uid);
+ if (!pw)
+ return errno ? -errno : -ENOENT;
- if (r == 0)
- return -ENOTSUP;
- }
+ r = bus_verify_polkit_async(bus,
+ &m->polkit_registry,
+ message,
+ "org.freedesktop.login1.set-user-linger",
+ interactive,
+ error,
+ method_set_user_linger, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
- ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error);
- if (ul == (unsigned long) -1)
- return -EIO;
+ mkdir_p_label("/var/lib/systemd", 0755);
- r = have_multiple_sessions(m, (uid_t) ul);
+ r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
if (r < 0)
return r;
- multiple_sessions = r > 0;
- blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul);
+ cc = cescape(pw->pw_name);
+ if (!cc)
+ return -ENOMEM;
- if (multiple_sessions) {
- r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error);
- if (r < 0)
- return r;
- }
+ path = strappenda("/var/lib/systemd/linger/", cc);
+ if (b) {
+ User *u;
- if (blocked) {
- r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error);
+ r = touch(path);
if (r < 0)
return r;
+
+ if (manager_add_user_by_uid(m, uid, &u) >= 0)
+ user_start(u);
+
+ } else {
+ User *u;
+
+ r = unlink(path);
+ if (r < 0 && errno != ENOENT)
+ return -errno;
+
+ u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+ if (u)
+ user_add_to_gc_queue(u);
}
- if (!multiple_sessions && !blocked) {
- r = verify_polkit(connection, message, action, interactive, NULL, error);
+ return sd_bus_reply_method_return(message, NULL);
+}
+
+static int trigger_device(Manager *m, struct udev_device *d) {
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
+ struct udev_list_entry *first, *item;
+ int r;
+
+ assert(m);
+
+ e = udev_enumerate_new(m->udev);
+ if (!e)
+ return -ENOMEM;
+
+ if (d) {
+ r = udev_enumerate_add_match_parent(e, d);
if (r < 0)
return r;
}
- r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
+ r = udev_enumerate_scan_devices(e);
if (r < 0)
return r;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- return -ENOMEM;
+ first = udev_enumerate_get_list_entry(e);
+ udev_list_entry_foreach(item, first) {
+ _cleanup_free_ char *t = NULL;
+ const char *p;
- *_reply = reply;
- return 0;
-}
+ p = udev_list_entry_get_name(item);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction);
-
-static const BusProperty bus_login_manager_properties[] = {
- { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) },
- { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true },
- { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true },
- { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) },
- { "IdleHint", bus_manager_append_idle_hint, "b", 0 },
- { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 },
- { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 },
- { "BlockInhibited", bus_manager_append_inhibited, "s", 0 },
- { "DelayInhibited", bus_manager_append_inhibited, "s", 0 },
- { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) },
- { "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) },
- { "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) },
- { "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)},
- { "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) },
- { "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) },
- { "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) },
- { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 },
- { "PreparingForSleep", bus_manager_append_preparing, "b", 0 },
- { NULL, }
-};
+ t = strappend(p, "/uevent");
+ if (!t)
+ return -ENOMEM;
-static DBusHandlerResult manager_message_handler(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
+ write_string_file(t, "change");
+ }
- Manager *m = userdata;
+ return 0;
+}
- DBusError error;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+static int attach_device(Manager *m, const char *seat, const char *sysfs) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
+ _cleanup_free_ char *rule = NULL, *file = NULL;
+ const char *id_for_seat;
int r;
- assert(connection);
- assert(message);
assert(m);
+ assert(seat);
+ assert(sysfs);
- dbus_error_init(&error);
-
- if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) {
- const char *name;
- char *p;
- Session *session;
- bool b;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ d = udev_device_new_from_syspath(m->udev, sysfs);
+ if (!d)
+ return -ENODEV;
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ if (!udev_device_has_tag(d, "seat"))
+ return -ENODEV;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT");
+ if (!id_for_seat)
+ return -ENODEV;
- p = session_bus_path(session);
- if (!p)
- goto oom;
+ if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0)
+ return -ENOMEM;
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- free(p);
+ if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0)
+ return -ENOMEM;
- if (!b)
- goto oom;
+ mkdir_p_label("/etc/udev/rules.d", 0755);
+ label_init("/etc");
+ r = write_string_file_atomic_label(file, rule);
+ if (r < 0)
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) {
- uint32_t pid;
- char *p;
- Session *session;
- bool b;
+ return trigger_device(m, d);
+}
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_UINT32, &pid,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+static int flush_devices(Manager *m) {
+ _cleanup_closedir_ DIR *d;
- r = manager_get_session_by_pid(m, pid, &session);
- if (r <= 0)
- return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT);
+ assert(m);
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ d = opendir("/etc/udev/rules.d");
+ if (!d) {
+ if (errno != ENOENT)
+ log_warning("Failed to open /etc/udev/rules.d: %m");
+ } else {
+ struct dirent *de;
- p = session_bus_path(session);
- if (!p)
- goto oom;
+ while ((de = readdir(d))) {
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- free(p);
+ if (!dirent_is_file(de))
+ continue;
- if (!b)
- goto oom;
+ if (!startswith(de->d_name, "72-seat-"))
+ continue;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) {
- uint32_t uid;
- char *p;
- User *user;
- bool b;
+ if (!endswith(de->d_name, ".rules"))
+ continue;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_UINT32, &uid,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ if (unlinkat(dirfd(d), de->d_name, 0) < 0)
+ log_warning("Failed to unlink %s: %m", de->d_name);
+ }
+ }
- user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (!user)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ return trigger_device(m, NULL);
+}
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *sysfs, *seat;
+ Manager *m = userdata;
+ int interactive, r;
- p = user_bus_path(user);
- if (!p)
- goto oom;
+ assert(bus);
+ assert(message);
+ assert(m);
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- free(p);
+ r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive);
+ if (r < 0)
+ return r;
- if (!b)
- goto oom;
+ if (!path_startswith(sysfs, "/sys"))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUserByPID")) {
- uint32_t pid;
- char *p;
- User *user;
- bool b;
+ if (!seat_name_is_valid(seat))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
- if (!dbus_message_get_args(
+ r = bus_verify_polkit_async(bus,
+ &m->polkit_registry,
message,
- &error,
- DBUS_TYPE_UINT32, &pid,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- r = manager_get_user_by_pid(m, pid, &user);
- if (r <= 0)
- return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT);
+ "org.freedesktop.login1.attach-device",
+ interactive,
+ error,
+ method_attach_device, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ r = attach_device(m, seat, sysfs);
+ if (r < 0)
+ return r;
- p = user_bus_path(user);
- if (!p)
- goto oom;
+ return sd_bus_reply_method_return(message, NULL);
+}
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- free(p);
+static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ int interactive, r;
- if (!b)
- goto oom;
+ assert(bus);
+ assert(message);
+ assert(m);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) {
- const char *name;
- char *p;
- Seat *seat;
- bool b;
+ r = sd_bus_message_read(message, "b", &interactive);
+ if (r < 0)
+ return r;
- if (!dbus_message_get_args(
+ r = bus_verify_polkit_async(bus,
+ &m->polkit_registry,
message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ "org.freedesktop.login1.flush-devices",
+ interactive,
+ error,
+ method_flush_devices, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
- seat = hashmap_get(m->seats, name);
- if (!seat)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ r = flush_devices(m);
+ if (r < 0)
+ return r;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ return sd_bus_reply_method_return(message, NULL);
+}
- p = seat_bus_path(seat);
- if (!p)
- goto oom;
+static int have_multiple_sessions(
+ Manager *m,
+ uid_t uid) {
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- free(p);
+ Session *session;
+ Iterator i;
- if (!b)
- goto oom;
+ assert(m);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) {
- char *p;
- Session *session;
- Iterator i;
- DBusMessageIter iter, sub;
- const char *empty = "";
+ /* Check for other users' sessions. Greeter sessions do not
+ * count, and non-login sessions do not count either. */
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session->class == SESSION_USER &&
+ session->user->uid != uid)
+ return true;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ return false;
+}
- dbus_message_iter_init_append(reply, &iter);
+static int bus_manager_log_shutdown(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name) {
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub))
- goto oom;
+ const char *p, *q;
- HASHMAP_FOREACH(session, m->sessions, i) {
- DBusMessageIter sub2;
- uint32_t uid;
+ assert(m);
+ assert(unit_name);
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
- goto oom;
+ if (w != INHIBIT_SHUTDOWN)
+ return 0;
- uid = session->user->uid;
+ if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
+ p = "MESSAGE=System is powering down.";
+ q = "SHUTDOWN=power-off";
+ } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
+ p = "MESSAGE=System is halting.";
+ q = "SHUTDOWN=halt";
+ } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
+ p = "MESSAGE=System is rebooting.";
+ q = "SHUTDOWN=reboot";
+ } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
+ p = "MESSAGE=System is rebooting with kexec.";
+ q = "SHUTDOWN=kexec";
+ } else {
+ p = "MESSAGE=System is shutting down.";
+ q = NULL;
+ }
- p = session_bus_path(session);
- if (!p)
- goto oom;
+ return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
+ p,
+ q, NULL);
+}
- if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
- free(p);
- goto oom;
- }
+static int execute_shutdown_or_sleep(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name,
+ sd_bus_error *error) {
- free(p);
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ const char *p;
+ char *c;
+ int r;
- if (!dbus_message_iter_close_container(&sub, &sub2))
- goto oom;
- }
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
- if (!dbus_message_iter_close_container(&iter, &sub))
- goto oom;
+ bus_manager_log_shutdown(m, w, unit_name);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) {
- User *user;
- Iterator i;
- DBusMessageIter iter, sub;
+ r = sd_bus_call_method(
+ m->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ error,
+ &reply,
+ "ss", unit_name, "replace-irreversibly");
+ if (r < 0)
+ return r;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ r = sd_bus_message_read(reply, "o", &p);
+ if (r < 0)
+ return r;
- dbus_message_iter_init_append(reply, &iter);
+ c = strdup(p);
+ if (!c)
+ return -ENOMEM;
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub))
- goto oom;
+ m->action_unit = unit_name;
+ free(m->action_job);
+ m->action_job = c;
+ m->action_what = w;
- HASHMAP_FOREACH(user, m->users, i) {
- _cleanup_free_ char *p = NULL;
- DBusMessageIter sub2;
- uint32_t uid;
+ /* Make sure the lid switch is ignored for a while */
+ manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + IGNORE_LID_SWITCH_SUSPEND_USEC);
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
- goto oom;
+ return 0;
+}
- uid = user->uid;
+static int delay_shutdown_or_sleep(
+ Manager *m,
+ InhibitWhat w,
+ const char *unit_name) {
- p = user_bus_path(user);
- if (!p)
- goto oom;
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
- if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
- free(p);
- goto oom;
- }
+ m->action_timestamp = now(CLOCK_MONOTONIC);
+ m->action_unit = unit_name;
+ m->action_what = w;
- if (!dbus_message_iter_close_container(&sub, &sub2))
- goto oom;
- }
+ return 0;
+}
- if (!dbus_message_iter_close_container(&iter, &sub))
- goto oom;
+static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) {
- Seat *seat;
- Iterator i;
- DBusMessageIter iter, sub;
+ static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
+ [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
+ [INHIBIT_SLEEP] = "PrepareForSleep"
+ };
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ int active = _active;
- dbus_message_iter_init_append(reply, &iter);
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(signal_name[w]);
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub))
- goto oom;
+ return sd_bus_emit_signal(m->bus,
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ signal_name[w],
+ "b",
+ active);
+}
- HASHMAP_FOREACH(seat, m->seats, i) {
- _cleanup_free_ char *p = NULL;
- DBusMessageIter sub2;
+int bus_manager_shutdown_or_sleep_now_or_later(
+ Manager *m,
+ const char *unit_name,
+ InhibitWhat w,
+ sd_bus_error *error) {
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
- goto oom;
+ bool delayed;
+ int r;
- p = seat_bus_path(seat);
- if (!p)
- goto oom;
+ assert(m);
+ assert(unit_name);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+ assert(!m->action_job);
- if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
- free(p);
- goto oom;
- }
+ /* Tell everybody to prepare for shutdown/sleep */
+ send_prepare_for(m, w, true);
- if (!dbus_message_iter_close_container(&sub, &sub2))
- goto oom;
- }
+ delayed =
+ m->inhibit_delay_max > 0 &&
+ manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
- if (!dbus_message_iter_close_container(&iter, &sub))
- goto oom;
+ if (delayed)
+ /* Shutdown is delayed, keep in mind what we
+ * want to do, and start a timeout */
+ r = delay_shutdown_or_sleep(m, w, unit_name);
+ else
+ /* Shutdown is not delayed, execute it
+ * immediately */
+ r = execute_shutdown_or_sleep(m, w, unit_name, error);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) {
- Inhibitor *inhibitor;
- Iterator i;
- DBusMessageIter iter, sub;
+ return r;
+}
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+static int method_do_shutdown_or_sleep(
+ Manager *m,
+ sd_bus_message *message,
+ const char *unit_name,
+ InhibitWhat w,
+ const char *action,
+ const char *action_multiple_sessions,
+ const char *action_ignore_inhibit,
+ const char *sleep_verb,
+ sd_bus_message_handler_t method,
+ sd_bus_error *error) {
- dbus_message_iter_init_append(reply, &iter);
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ bool multiple_sessions, blocked;
+ int interactive, r;
+ uid_t uid;
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub))
- goto oom;
+ assert(m);
+ assert(message);
+ assert(unit_name);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+ assert(action);
+ assert(action_multiple_sessions);
+ assert(action_ignore_inhibit);
+ assert(method);
- HASHMAP_FOREACH(inhibitor, m->inhibitors, i) {
- DBusMessageIter sub2;
- dbus_uint32_t uid, pid;
- const char *what, *who, *why, *mode;
+ r = sd_bus_message_read(message, "b", &interactive);
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
- goto oom;
+ /* Don't allow multiple jobs being executed at the same time */
+ if (m->action_what)
+ return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
- what = strempty(inhibit_what_to_string(inhibitor->what));
- who = strempty(inhibitor->who);
- why = strempty(inhibitor->why);
- mode = strempty(inhibit_mode_to_string(inhibitor->mode));
- uid = (dbus_uint32_t) inhibitor->uid;
- pid = (dbus_uint32_t) inhibitor->pid;
+ if (sleep_verb) {
+ r = can_sleep(sleep_verb);
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid))
- goto oom;
+ if (r == 0)
+ return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
+ }
- if (!dbus_message_iter_close_container(&sub, &sub2))
- goto oom;
- }
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_close_container(&iter, &sub))
- goto oom;
+ r = sd_bus_creds_get_uid(creds, &uid);
+ if (r < 0)
+ return r;
+ r = have_multiple_sessions(m, uid);
+ if (r < 0)
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) {
+ multiple_sessions = r > 0;
+ blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
- r = bus_manager_inhibit(m, connection, message, &error, &reply);
+ if (multiple_sessions) {
+ r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
+ action_multiple_sessions, interactive, error, method, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+ }
+ if (blocked) {
+ r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
+ action_ignore_inhibit, interactive, error, method, m);
if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+ }
+ if (!multiple_sessions && !blocked) {
+ r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message,
+ action, interactive, error, method, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+ }
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
+ if (r < 0)
+ return r;
- r = bus_manager_create_session(m, message);
+ return sd_bus_reply_method_return(message, NULL);
+}
- /* Don't delay the work on OOM here, since it might be
- * triggered by a low RLIMIT_NOFILE here (since we
- * send a dupped fd to the client), and we'd rather
- * see this fail quickly then be retried later */
+static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+ return method_do_shutdown_or_sleep(
+ m, message,
+ SPECIAL_POWEROFF_TARGET,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.power-off",
+ "org.freedesktop.login1.power-off-multiple-sessions",
+ "org.freedesktop.login1.power-off-ignore-inhibit",
+ NULL,
+ method_poweroff,
+ error);
+}
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) {
- const char *name;
- Session *session;
+static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
-
- /* We use the FIFO to detect stray sessions where the
- process invoking PAM dies abnormally. We need to make
- sure that that process is not killed if at the clean
- end of the session it closes the FIFO. Hence, with
- this call explicitly turn off the FIFO logic, so that
- the PAM code can finish clean up on its own */
- session_remove_fifo(session);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) {
- const char *name;
- Session *session;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ return method_do_shutdown_or_sleep(
+ m, message,
+ SPECIAL_REBOOT_TARGET,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.reboot",
+ "org.freedesktop.login1.reboot-multiple-sessions",
+ "org.freedesktop.login1.reboot-ignore-inhibit",
+ NULL,
+ method_reboot,
+ error);
+}
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- r = session_activate(session);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+ return method_do_shutdown_or_sleep(
+ m, message,
+ SPECIAL_SUSPEND_TARGET,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.suspend",
+ "org.freedesktop.login1.suspend-multiple-sessions",
+ "org.freedesktop.login1.suspend-ignore-inhibit",
+ "suspend",
+ method_suspend,
+ error);
+}
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) {
- const char *session_name, *seat_name;
- Session *session;
- Seat *seat;
+ return method_do_shutdown_or_sleep(
+ m, message,
+ SPECIAL_HIBERNATE_TARGET,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "hibernate",
+ method_hibernate,
+ error);
+}
- /* Same as ActivateSession() but refuses to work if
- * the seat doesn't match */
+static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &session_name,
- DBUS_TYPE_STRING, &seat_name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ return method_do_shutdown_or_sleep(
+ m, message,
+ SPECIAL_HYBRID_SLEEP_TARGET,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "hybrid-sleep",
+ method_hybrid_sleep,
+ error);
+}
- session = hashmap_get(m->sessions, session_name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+static int method_can_shutdown_or_sleep(
+ Manager *m,
+ sd_bus_message *message,
+ InhibitWhat w,
+ const char *action,
+ const char *action_multiple_sessions,
+ const char *action_ignore_inhibit,
+ const char *sleep_verb,
+ sd_bus_error *error) {
- seat = hashmap_get(m->seats, seat_name);
- if (!seat)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ bool multiple_sessions, challenge, blocked;
+ const char *result = NULL;
+ uid_t uid;
+ int r;
- if (session->seat != seat)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ assert(m);
+ assert(message);
+ assert(w >= 0);
+ assert(w <= _INHIBIT_WHAT_MAX);
+ assert(action);
+ assert(action_multiple_sessions);
+ assert(action_ignore_inhibit);
- r = session_activate(session);
+ if (sleep_verb) {
+ r = can_sleep(sleep_verb);
if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") ||
- dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) {
- const char *name;
- Session *session;
-
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ return r;
+ if (r == 0)
+ return sd_bus_reply_method_return(message, "s", "na");
+ }
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, NULL, -ENOENT);
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
+ if (r < 0)
+ return r;
- if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0)
- goto oom;
+ r = sd_bus_creds_get_uid(creds, &uid);
+ if (r < 0)
+ return r;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ r = have_multiple_sessions(m, uid);
+ if (r < 0)
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions") ||
- dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSessions")) {
+ multiple_sessions = r > 0;
+ blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
- r = session_send_lock_all(m, streq(dbus_message_get_member(message), "LockSessions"));
+ if (multiple_sessions) {
+ r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, error);
if (r < 0)
- bus_send_error_reply(connection, message, NULL, r);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) {
- const char *swho;
- int32_t signo;
- KillWho who;
- const char *name;
- Session *session;
+ if (r > 0)
+ result = "yes";
+ else if (challenge)
+ result = "challenge";
+ else
+ result = "no";
+ }
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &swho,
- DBUS_TYPE_INT32, &signo,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- if (isempty(swho))
- who = KILL_ALL;
- else {
- who = kill_who_from_string(swho);
- if (who < 0)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
- }
+ if (blocked) {
+ r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error);
+ if (r < 0)
+ return r;
- if (signo <= 0 || signo >= _NSIG)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ if (r > 0 && !result)
+ result = "yes";
+ else if (challenge && (!result || streq(result, "yes")))
+ result = "challenge";
+ else
+ result = "no";
+ }
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ if (!multiple_sessions && !blocked) {
+ /* If neither inhibit nor multiple sessions
+ * apply then just check the normal policy */
- r = session_kill(session, who, signo);
+ r = bus_verify_polkit(m->bus, message, action, false, &challenge, error);
if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) {
- uint32_t uid;
- User *user;
- int32_t signo;
+ return r;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_UINT32, &uid,
- DBUS_TYPE_INT32, &signo,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ if (r > 0)
+ result = "yes";
+ else if (challenge)
+ result = "challenge";
+ else
+ result = "no";
+ }
- if (signo <= 0 || signo >= _NSIG)
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ return sd_bus_reply_method_return(message, "s", result);
+}
- user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (!user)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- r = user_kill(user, signo);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+ return method_can_shutdown_or_sleep(
+ m, message,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.power-off",
+ "org.freedesktop.login1.power-off-multiple-sessions",
+ "org.freedesktop.login1.power-off-ignore-inhibit",
+ NULL,
+ error);
+}
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) {
- const char *name;
- Session *session;
+ return method_can_shutdown_or_sleep(
+ m, message,
+ INHIBIT_SHUTDOWN,
+ "org.freedesktop.login1.reboot",
+ "org.freedesktop.login1.reboot-multiple-sessions",
+ "org.freedesktop.login1.reboot-ignore-inhibit",
+ NULL,
+ error);
+}
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- session = hashmap_get(m->sessions, name);
- if (!session)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ return method_can_shutdown_or_sleep(
+ m, message,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.suspend",
+ "org.freedesktop.login1.suspend-multiple-sessions",
+ "org.freedesktop.login1.suspend-ignore-inhibit",
+ "suspend",
+ error);
+}
- r = session_stop(session);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ return method_can_shutdown_or_sleep(
+ m, message,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "hibernate",
+ error);
+}
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) {
- uint32_t uid;
- User *user;
+static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_UINT32, &uid,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ return method_can_shutdown_or_sleep(
+ m, message,
+ INHIBIT_SLEEP,
+ "org.freedesktop.login1.hibernate",
+ "org.freedesktop.login1.hibernate-multiple-sessions",
+ "org.freedesktop.login1.hibernate-ignore-inhibit",
+ "hybrid-sleep",
+ error);
+}
- user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (!user)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ const char *who, *why, *what, *mode;
+ _cleanup_free_ char *id = NULL;
+ _cleanup_close_ int fifo_fd = -1;
+ Manager *m = userdata;
+ Inhibitor *i = NULL;
+ InhibitMode mm;
+ InhibitWhat w;
+ pid_t pid;
+ uid_t uid;
+ int r;
- r = user_stop(user);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+ assert(bus);
+ assert(message);
+ assert(m);
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode);
+ if (r < 0)
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) {
- const char *name;
- Seat *seat;
+ w = inhibit_what_from_string(what);
+ if (w <= 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what);
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ mm = inhibit_mode_from_string(mode);
+ if (mm < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode);
- seat = hashmap_get(m->seats, name);
- if (!seat)
- return bus_send_error_reply(connection, message, &error, -ENOENT);
+ /* Delay is only supported for shutdown/sleep */
+ if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP)))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep");
- r = seat_stop_sessions(seat);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, r);
+ /* Don't allow taking delay locks while we are already
+ * executing the operation. We shouldn't create the impression
+ * that the lock was successful if the machine is about to go
+ * down/suspend any moment. */
+ if (m->action_what & w)
+ return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
+
+ r = bus_verify_polkit_async(bus, &m->polkit_registry, message,
+ w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
+ w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
+ w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
+ w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" :
+ w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
+ w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
+ "org.freedesktop.login1.inhibit-handle-lid-switch",
+ false, error, method_inhibit, m);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
+ if (r < 0)
+ return r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) {
- uint32_t uid;
- struct passwd *pw;
- dbus_bool_t b, interactive;
- char *path;
+ r = sd_bus_creds_get_uid(creds, &uid);
+ if (r < 0)
+ return r;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_UINT32, &uid,
- DBUS_TYPE_BOOLEAN, &b,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
-
- errno = 0;
- pw = getpwuid(uid);
- if (!pw)
- return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL);
-
- r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ r = sd_bus_creds_get_pid(creds, &pid);
+ if (r < 0)
+ return r;
- mkdir_p_label("/var/lib/systemd", 0755);
+ do {
+ free(id);
+ id = NULL;
- r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0)
+ return -ENOMEM;
- path = strappend("/var/lib/systemd/linger/", pw->pw_name);
- if (!path)
- goto oom;
+ } while (hashmap_get(m->inhibitors, id));
- if (b) {
- User *u;
+ r = manager_add_inhibitor(m, id, &i);
+ if (r < 0)
+ return r;
- r = touch(path);
- free(path);
+ i->what = w;
+ i->mode = mm;
+ i->pid = pid;
+ i->uid = uid;
+ i->why = strdup(why);
+ i->who = strdup(who);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ if (!i->why || !i->who) {
+ r = -ENOMEM;
+ goto fail;
+ }
- if (manager_add_user_by_uid(m, uid, &u) >= 0)
- user_start(u);
+ fifo_fd = inhibitor_create_fifo(i);
+ if (fifo_fd < 0) {
+ r = fifo_fd;
+ goto fail;
+ }
- } else {
- User *u;
+ inhibitor_start(i);
- r = unlink(path);
- free(path);
+ return sd_bus_reply_method_return(message, "h", fifo_fd);
- if (r < 0 && errno != ENOENT)
- return bus_send_error_reply(connection, message, &error, -errno);
+fail:
+ if (i)
+ inhibitor_free(i);
- u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (u)
- user_add_to_gc_queue(u);
- }
+ return r;
+}
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+const sd_bus_vtable manager_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+
+ SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
+ SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
+
+ SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", method_create_session, 0),
+ SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
+ SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
+ SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
+ SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
+ SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
+ SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
+
+ SD_BUS_SIGNAL("SessionNew", "so", 0),
+ SD_BUS_SIGNAL("SessionRemoved", "so", 0),
+ SD_BUS_SIGNAL("UserNew", "uo", 0),
+ SD_BUS_SIGNAL("UserRemoved", "uo", 0),
+ SD_BUS_SIGNAL("SeatNew", "so", 0),
+ SD_BUS_SIGNAL("SeatRemoved", "so", 0),
+ SD_BUS_SIGNAL("PrepareForShutdown", "b", 0),
+ SD_BUS_SIGNAL("PrepareForSleep", "b", 0),
+
+ SD_BUS_VTABLE_END
+};
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) {
- const char *sysfs, *seat;
- dbus_bool_t interactive;
+static int session_jobs_reply(Session *s, const char *unit, const char *result) {
+ int r = 0;
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_STRING, &seat,
- DBUS_TYPE_STRING, &sysfs,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ assert(s);
+ assert(unit);
- if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat))
- return bus_send_error_reply(connection, message, NULL, -EINVAL);
+ if (!s->started)
+ return r;
- r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ if (streq(result, "done"))
+ r = session_send_create_reply(s, NULL);
+ else {
+ _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
- r = attach_device(m, seat, sysfs);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, -EINVAL);
+ sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
+ r = session_send_create_reply(s, &e);
+ }
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
+ return r;
+}
+int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *path, *result, *unit;
+ Manager *m = userdata;
+ Session *session;
+ uint32_t id;
+ User *user;
+ int r;
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) {
- dbus_bool_t interactive;
+ assert(bus);
+ assert(message);
+ assert(m);
- if (!dbus_message_get_args(
- message,
- &error,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID))
- return bus_send_error_reply(connection, message, &error, -EINVAL);
+ r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
- r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
+ if (m->action_job && streq(m->action_job, path)) {
+ log_info("Operation finished.");
- r = flush_devices(m);
- if (r < 0)
- return bus_send_error_reply(connection, message, NULL, -EINVAL);
-
- reply = dbus_message_new_method_return(message);
- if (!reply)
- goto oom;
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) {
-
- r = bus_manager_do_shutdown_or_sleep(
- m, connection, message,
- SPECIAL_POWEROFF_TARGET,
- INHIBIT_SHUTDOWN,
- "org.freedesktop.login1.power-off",
- "org.freedesktop.login1.power-off-multiple-sessions",
- "org.freedesktop.login1.power-off-ignore-inhibit",
- NULL,
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) {
- r = bus_manager_do_shutdown_or_sleep(
- m, connection, message,
- SPECIAL_REBOOT_TARGET,
- INHIBIT_SHUTDOWN,
- "org.freedesktop.login1.reboot",
- "org.freedesktop.login1.reboot-multiple-sessions",
- "org.freedesktop.login1.reboot-ignore-inhibit",
- NULL,
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) {
- r = bus_manager_do_shutdown_or_sleep(
- m, connection, message,
- SPECIAL_SUSPEND_TARGET,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.suspend",
- "org.freedesktop.login1.suspend-multiple-sessions",
- "org.freedesktop.login1.suspend-ignore-inhibit",
- "suspend",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) {
- r = bus_manager_do_shutdown_or_sleep(
- m, connection, message,
- SPECIAL_HIBERNATE_TARGET,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.hibernate",
- "org.freedesktop.login1.hibernate-multiple-sessions",
- "org.freedesktop.login1.hibernate-ignore-inhibit",
- "hibernate",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) {
- r = bus_manager_do_shutdown_or_sleep(
- m, connection, message,
- SPECIAL_HYBRID_SLEEP_TARGET,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.hibernate",
- "org.freedesktop.login1.hibernate-multiple-sessions",
- "org.freedesktop.login1.hibernate-ignore-inhibit",
- "hybrid-sleep",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) {
-
- r = bus_manager_can_shutdown_or_sleep(
- m, connection, message,
- INHIBIT_SHUTDOWN,
- "org.freedesktop.login1.power-off",
- "org.freedesktop.login1.power-off-multiple-sessions",
- "org.freedesktop.login1.power-off-ignore-inhibit",
- NULL,
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) {
- r = bus_manager_can_shutdown_or_sleep(
- m, connection, message,
- INHIBIT_SHUTDOWN,
- "org.freedesktop.login1.reboot",
- "org.freedesktop.login1.reboot-multiple-sessions",
- "org.freedesktop.login1.reboot-ignore-inhibit",
- NULL,
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) {
- r = bus_manager_can_shutdown_or_sleep(
- m, connection, message,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.suspend",
- "org.freedesktop.login1.suspend-multiple-sessions",
- "org.freedesktop.login1.suspend-ignore-inhibit",
- "suspend",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) {
- r = bus_manager_can_shutdown_or_sleep(
- m, connection, message,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.hibernate",
- "org.freedesktop.login1.hibernate-multiple-sessions",
- "org.freedesktop.login1.hibernate-ignore-inhibit",
- "hibernate",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) {
- r = bus_manager_can_shutdown_or_sleep(
- m, connection, message,
- INHIBIT_SLEEP,
- "org.freedesktop.login1.hibernate",
- "org.freedesktop.login1.hibernate-multiple-sessions",
- "org.freedesktop.login1.hibernate-ignore-inhibit",
- "hybrid-sleep",
- &error, &reply);
- if (r < 0)
- return bus_send_error_reply(connection, message, &error, r);
-
- } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
- char *introspection = NULL;
- FILE *f;
- Iterator i;
- Session *session;
- Seat *seat;
- User *user;
- size_t size;
- char *p;
-
- if (!(reply = dbus_message_new_method_return(message)))
- goto oom;
-
- /* We roll our own introspection code here, instead of
- * relying on bus_default_message_handler() because we
- * need to generate our introspection string
- * dynamically. */
-
- if (!(f = open_memstream(&introspection, &size)))
- goto oom;
-
- fputs(INTROSPECTION_BEGIN, f);
-
- HASHMAP_FOREACH(seat, m->seats, i) {
- p = bus_path_escape(seat->id);
-
- if (p) {
- fprintf(f, "<node name=\"seat/%s\"/>", p);
- free(p);
- }
- }
+ /* Tell people that they now may take a lock again */
+ send_prepare_for(m, m->action_what, false);
- HASHMAP_FOREACH(user, m->users, i)
- fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
+ free(m->action_job);
+ m->action_job = NULL;
+ m->action_unit = NULL;
+ m->action_what = 0;
+ return 0;
+ }
- HASHMAP_FOREACH(session, m->sessions, i) {
- p = bus_path_escape(session->id);
+ session = hashmap_get(m->session_units, unit);
+ if (session) {
- if (p) {
- fprintf(f, "<node name=\"session/%s\"/>", p);
- free(p);
- }
+ if (streq_ptr(path, session->scope_job)) {
+ free(session->scope_job);
+ session->scope_job = NULL;
}
- fputs(INTROSPECTION_END, f);
+ session_jobs_reply(session, unit, result);
- if (ferror(f)) {
- fclose(f);
- free(introspection);
- goto oom;
- }
+ session_save(session);
+ session_add_to_gc_queue(session);
+ }
- fclose(f);
+ user = hashmap_get(m->user_units, unit);
+ if (user) {
- if (!introspection)
- goto oom;
+ if (streq_ptr(path, user->service_job)) {
+ free(user->service_job);
+ user->service_job = NULL;
+ }
- if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
- free(introspection);
- goto oom;
+ if (streq_ptr(path, user->slice_job)) {
+ free(user->slice_job);
+ user->slice_job = NULL;
}
- free(introspection);
- } else {
- const BusBoundProperties bps[] = {
- { "org.freedesktop.login1.Manager", bus_login_manager_properties, m },
- { NULL, }
- };
- return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps);
- }
+ LIST_FOREACH(sessions_by_user, session, user->sessions) {
+ session_jobs_reply(session, unit, result);
+ }
- if (reply) {
- if (!bus_maybe_send_reply(connection, message, reply))
- goto oom;
+ user_save(user);
+ user_add_to_gc_queue(user);
}
- return DBUS_HANDLER_RESULT_HANDLED;
-
-oom:
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NEED_MEMORY;
+ return 0;
}
-const DBusObjectPathVTable bus_manager_vtable = {
- .message_function = manager_message_handler
-};
-
-DBusHandlerResult bus_message_filter(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
-
+int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *path, *unit;
Manager *m = userdata;
- DBusError error;
+ Session *session;
+ User *user;
+ int r;
- assert(m);
- assert(connection);
+ assert(bus);
assert(message);
+ assert(m);
- dbus_error_init(&error);
-
- log_debug("Got message: %s %s %s", strna(dbus_message_get_sender(message)), strna(dbus_message_get_interface(message)), strna(dbus_message_get_member(message)));
-
- if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
- const char *path, *result, *unit;
- uint32_t id;
+ r = sd_bus_message_read(message, "so", &unit, &path);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_UINT32, &id,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_STRING, &unit,
- DBUS_TYPE_STRING, &result,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error));
- goto finish;
- }
+ session = hashmap_get(m->session_units, unit);
+ if (session)
+ session_add_to_gc_queue(session);
- if (m->action_job && streq(m->action_job, path)) {
- log_info("Operation finished.");
+ user = hashmap_get(m->user_units, unit);
+ if (user)
+ user_add_to_gc_queue(user);
- /* Tell people that they now may take a lock again */
- send_prepare_for(m, m->action_what, false);
+ return 0;
+}
- free(m->action_job);
- m->action_job = NULL;
- m->action_unit = NULL;
- m->action_what = 0;
+int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *unit = NULL;
+ Manager *m = userdata;
+ const char *path;
+ Session *session;
+ User *user;
+ int r;
- } else {
- Session *s;
- User *u;
-
- s = hashmap_get(m->session_units, unit);
- if (s) {
- if (streq_ptr(path, s->scope_job)) {
- free(s->scope_job);
- s->scope_job = NULL;
-
- if (s->started) {
- if (streq(result, "done"))
- session_send_create_reply(s, NULL);
- else {
- dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
- session_send_create_reply(s, &error);
- }
- } else
- session_save(s);
- }
-
- session_add_to_gc_queue(s);
- }
-
- u = hashmap_get(m->user_units, unit);
- if (u) {
- if (streq_ptr(path, u->service_job)) {
- free(u->service_job);
- u->service_job = NULL;
- }
-
- if (streq_ptr(path, u->slice_job)) {
- free(u->slice_job);
- u->slice_job = NULL;
- }
-
- user_save(u);
- user_add_to_gc_queue(u);
- }
- }
+ assert(bus);
+ assert(message);
+ assert(m);
- } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
+ path = sd_bus_message_get_path(message);
+ if (!path)
+ return 0;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- _cleanup_free_ char *unit = NULL;
- const char *path;
+ r = unit_name_from_dbus_path(path, &unit);
+ if (r < 0)
+ /* quietly ignore non-units paths */
+ return r == -EINVAL ? 0 : r;
- path = dbus_message_get_path(message);
- if (!path)
- goto finish;
+ session = hashmap_get(m->session_units, unit);
+ if (session)
+ session_add_to_gc_queue(session);
- unit_name_from_dbus_path(path, &unit);
- if (unit) {
- Session *s;
- User *u;
+ user = hashmap_get(m->user_units, unit);
+ if (user)
+ user_add_to_gc_queue(user);
- s = hashmap_get(m->session_units, unit);
- if (s)
- session_add_to_gc_queue(s);
+ return 0;
+}
- u = hashmap_get(m->user_units, unit);
- if (u)
- user_add_to_gc_queue(u);
- }
+int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int b, r;
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
+ assert(bus);
- const char *path, *unit;
- Session *session;
- User *user;
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_STRING, &unit,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse UnitRemoved message: %s", bus_error_message(&error));
- goto finish;
- }
+ if (b)
+ return 0;
- session = hashmap_get(m->session_units, unit);
- if (session)
- session_add_to_gc_queue(session);
+ /* systemd finished reloading, let's recheck all our sessions */
+ log_debug("System manager has been reloaded, rechecking sessions...");
- user = hashmap_get(m->user_units, unit);
- if (user)
- user_add_to_gc_queue(user);
+ HASHMAP_FOREACH(session, m->sessions, i)
+ session_add_to_gc_queue(session);
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "Reloading")) {
- dbus_bool_t b;
+ return 0;
+}
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_BOOLEAN, &b,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse Reloading message: %s", bus_error_message(&error));
- goto finish;
- }
+int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *name, *old, *new;
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int r;
- /* systemd finished reloading, let's recheck all our sessions */
- if (!b) {
- Session *session;
- Iterator i;
- log_debug("System manager has been reloaded, rechecking sessions...");
+ char *key;
- HASHMAP_FOREACH(session, m->sessions, i)
- session_add_to_gc_queue(session);
- }
+ r = sd_bus_message_read(message, "sss", &name, &old, &new);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
- } else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
- const char *name, *old, *new;
- char *key;
-
- if (!dbus_message_get_args(message, &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &old,
- DBUS_TYPE_STRING, &new,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse NameOwnerChanged message: %s", bus_error_message(&error));
- goto finish;
- }
+ if (isempty(old) || !isempty(new))
+ return 0;
- /* drop all controllers owned by this name */
- if (*old && !*new && (key = hashmap_remove(m->busnames, old))) {
- Session *session;
- Iterator i;
+ key = set_remove(m->busnames, (char*) old);
+ if (!key)
+ return 0;
- free(key);
+ /* Drop all controllers owned by this name */
- HASHMAP_FOREACH(session, m->sessions, i)
- if (session_is_controller(session, old))
- session_drop_controller(session);
- }
- }
+ free(key);
-finish:
- dbus_error_free(&error);
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session_is_controller(session, old))
+ session_drop_controller(session);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ return 0;
}
-int manager_send_changed(Manager *manager, const char *properties) {
- _cleanup_dbus_message_unref_ DBusMessage *m = NULL;
+int manager_send_changed(Manager *manager, const char *property, ...) {
+ char **l;
assert(manager);
- m = bus_properties_changed_new("/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- properties);
- if (!m)
- return -ENOMEM;
-
- if (!dbus_connection_send(manager->bus, m, NULL))
- return -ENOMEM;
+ l = strv_from_stdarg_alloca(property);
- return 0;
+ return sd_bus_emit_properties_changed_strv(
+ manager->bus,
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ l);
}
int manager_dispatch_delayed(Manager *manager) {
- DBusError error;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ Inhibitor *offending = NULL;
int r;
assert(manager);
return 0;
/* Continue delay? */
- if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) {
+ if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, 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 (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
return 0;
- log_info("Delay lock is active but inhibitor timeout is reached.");
+ log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.",
+ (unsigned long) offending->uid, strna(u),
+ (unsigned long) offending->pid, strna(comm));
}
/* Actually do the operation */
- dbus_error_init(&error);
r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
if (r < 0) {
- log_warning("Failed to send delayed message: %s", bus_error(&error, r));
- dbus_error_free(&error);
+ log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
manager->action_unit = NULL;
manager->action_what = 0;
pid_t pid,
const char *slice,
const char *description,
- const char *after,
- const char *kill_mode,
- DBusError *error,
+ const char *after, const char *after2,
+ sd_bus_error *error,
char **job) {
- const char *timeout_stop_property = "TimeoutStopUSec", *send_sighup_property = "SendSIGHUP", *pids_property = "PIDs";
- _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
- DBusMessageIter iter, sub, sub2, sub3, sub4;
- uint64_t timeout = 500 * USEC_PER_MSEC;
- dbus_bool_t send_sighup = true;
- const char *fail = "fail";
- uint32_t u;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ int r;
assert(manager);
assert(scope);
assert(pid > 1);
- if (!slice)
- slice = "";
-
- m = dbus_message_new_method_call(
+ r = sd_bus_message_new_method_call(
+ manager->bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
- if (!m)
- return log_oom();
+ if (r < 0)
+ return r;
- dbus_message_iter_init_append(m, &iter);
+ r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
+ if (r < 0)
+ return r;
- if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &scope) ||
- !dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &fail) ||
- !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sv)", &sub))
- return log_oom();
+ r = sd_bus_message_open_container(m, 'a', "(sv)");
+ if (r < 0)
+ return r;
if (!isempty(slice)) {
- const char *slice_property = "Slice";
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &slice_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
- !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &slice) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
+ r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
+ if (r < 0)
+ return r;
}
if (!isempty(description)) {
- const char *description_property = "Description";
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
- !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &description) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
+ r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
+ if (r < 0)
+ return r;
}
if (!isempty(after)) {
- const char *after_property = "After";
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &after_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "as", &sub3) ||
- !dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "s", &sub4) ||
- !dbus_message_iter_append_basic(&sub4, DBUS_TYPE_STRING, &after) ||
- !dbus_message_iter_close_container(&sub3, &sub4) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
+ if (r < 0)
+ return r;
}
- if (!isempty(kill_mode)) {
- const char *kill_mode_property = "KillMode";
-
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &kill_mode_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
- !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &kill_mode) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
+ if (!isempty(after2)) {
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
+ if (r < 0)
+ return r;
}
/* cgroup empty notification is not available in containers
* stop timeout for sessions, so that we don't wait
* forever. */
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &timeout_stop_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "t", &sub3) ||
- !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_UINT64, &timeout) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
-
/* Make sure that the session shells are terminated with
* SIGHUP since bash and friends tend to ignore SIGTERM */
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &send_sighup_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "b", &sub3) ||
- !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_BOOLEAN, &send_sighup) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
-
- u = pid;
- if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
- !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &pids_property) ||
- !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "au", &sub3) ||
- !dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "u", &sub4) ||
- !dbus_message_iter_append_basic(&sub4, DBUS_TYPE_UINT32, &u) ||
- !dbus_message_iter_close_container(&sub3, &sub4) ||
- !dbus_message_iter_close_container(&sub2, &sub3) ||
- !dbus_message_iter_close_container(&sub, &sub2))
- return log_oom();
-
- if (!dbus_message_iter_close_container(&iter, &sub))
- return log_oom();
-
- reply = dbus_connection_send_with_reply_and_block(manager->bus, m, -1, error);
- if (!reply)
- return -EIO;
+ r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "a(sa(sv))", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call(manager->bus, m, 0, error, &reply);
+ if (r < 0)
+ return r;
if (job) {
const char *j;
char *copy;
- if (!dbus_message_get_args(reply, error, DBUS_TYPE_OBJECT_PATH, &j, DBUS_TYPE_INVALID))
- return -EIO;
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
copy = strdup(j);
if (!copy)
*job = copy;
}
- return 0;
+ return 1;
}
-int manager_start_unit(Manager *manager, const char *unit, DBusError *error, char **job) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *fail = "fail";
+int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(manager);
assert(unit);
- r = bus_method_call_with_reply(
+ r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartUnit",
- &reply,
error,
- DBUS_TYPE_STRING, &unit,
- DBUS_TYPE_STRING, &fail,
- DBUS_TYPE_INVALID);
- if (r < 0) {
- log_error("Failed to start unit %s: %s", unit, bus_error(error, r));
+ &reply,
+ "ss", unit, "fail");
+ if (r < 0)
return r;
- }
if (job) {
const char *j;
char *copy;
- if (!dbus_message_get_args(reply, error,
- DBUS_TYPE_OBJECT_PATH, &j,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
copy = strdup(j);
if (!copy)
*job = copy;
}
- return 0;
+ return 1;
}
-int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char **job) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *fail = "fail";
+int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int r;
assert(manager);
assert(unit);
- r = bus_method_call_with_reply(
+ r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StopUnit",
- &reply,
error,
- DBUS_TYPE_STRING, &unit,
- DBUS_TYPE_STRING, &fail,
- DBUS_TYPE_INVALID);
+ &reply,
+ "ss", unit, "fail");
if (r < 0) {
- if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
- dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
+ if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
if (job)
*job = NULL;
- dbus_error_free(error);
+ sd_bus_error_free(error);
return 0;
}
- log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
return r;
}
const char *j;
char *copy;
- if (!dbus_message_get_args(reply, error,
- DBUS_TYPE_OBJECT_PATH, &j,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
copy = strdup(j);
if (!copy)
return 1;
}
-int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, DBusError *error) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *w;
+int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
+ _cleanup_free_ char *path = NULL;
int r;
assert(manager);
- assert(unit);
+ assert(scope);
- w = who == KILL_LEADER ? "process" : "cgroup";
- assert_cc(sizeof(signo) == sizeof(int32_t));
+ path = unit_dbus_path_from_name(scope);
+ if (!path)
+ return -ENOMEM;
- r = bus_method_call_with_reply(
+ r = sd_bus_call_method(
manager->bus,
"org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "KillUnit",
- &reply,
+ path,
+ "org.freedesktop.systemd1.Scope",
+ "Abandon",
error,
- DBUS_TYPE_STRING, &unit,
- DBUS_TYPE_STRING, &w,
- DBUS_TYPE_INT32, &signo,
- DBUS_TYPE_INVALID);
+ NULL,
+ NULL);
if (r < 0) {
- log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
+ if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
+ sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
+ sd_bus_error_free(error);
+ return 0;
+ }
+
return r;
}
- return 0;
+ return 1;
}
-int manager_unit_is_active(Manager *manager, const char *unit) {
+int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
+ assert(manager);
+ assert(unit);
+
+ return sd_bus_call_method(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ error,
+ NULL,
+ "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
+}
- const char *interface = "org.freedesktop.systemd1.Unit";
- const char *property = "ActiveState";
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+int manager_unit_is_active(Manager *manager, const char *unit) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *path = NULL;
- DBusMessageIter iter, sub;
const char *state;
- DBusError error;
int r;
assert(manager);
assert(unit);
- dbus_error_init(&error);
-
path = unit_dbus_path_from_name(unit);
if (!path)
return -ENOMEM;
- r = bus_method_call_with_reply(
+ r = sd_bus_get_property(
manager->bus,
"org.freedesktop.systemd1",
path,
- "org.freedesktop.DBus.Properties",
- "Get",
- &reply,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveState",
&error,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &property,
- DBUS_TYPE_INVALID);
+ &reply,
+ "s");
if (r < 0) {
- if (dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY) ||
- dbus_error_has_name(&error, DBUS_ERROR_DISCONNECTED)) {
- /* systemd might have droppped off
- * momentarily, let's not make this an
- * error */
-
- dbus_error_free(&error);
+ /* systemd might have droppped off momentarily, let's
+ * not make this an error */
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
+ sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
return true;
- }
- if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
- dbus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) {
- /* If the unit is already unloaded then it's
- * not active */
-
- dbus_error_free(&error);
+ /* If the unit is already unloaded then it's not
+ * active */
+ if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
return false;
- }
- log_error("Failed to query ActiveState: %s", bus_error(&error, r));
- dbus_error_free(&error);
return r;
}
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
+ r = sd_bus_message_read(reply, "s", &state);
+ if (r < 0)
return -EINVAL;
- }
- dbus_message_iter_recurse(&iter, &sub);
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- return -EINVAL;
+ return !streq(state, "inactive") && !streq(state, "failed");
+}
+
+int manager_job_is_active(Manager *manager, const char *path) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(path);
+
+ r = sd_bus_get_property(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Job",
+ "State",
+ &error,
+ &reply,
+ "s");
+ if (r < 0) {
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
+ sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
+ return true;
+
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
+ return false;
+
+ return r;
}
- dbus_message_iter_get_basic(&sub, &state);
+ /* We don't actually care about the state really. The fact
+ * that we could read the job state is enough for us */
- return !streq(state, "inactive") && !streq(state, "failed");
+ return true;
}
~ianmdlvl / elogind.git / blobdiff