1505 lines
57 KiB
C
1505 lines
57 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <pwd.h>
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#include "logind.h"
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#include "dbus-common.h"
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#include "strv.h"
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#include "polkit.h"
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#include "special.h"
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#define BUS_MANAGER_INTERFACE \
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" <interface name=\"org.freedesktop.login1.Manager\">\n" \
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" <method name=\"GetSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetUser\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetSeat\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListSessions\">\n" \
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" <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListUsers\">\n" \
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" <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListSeats\">\n" \
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" <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"CreateSession\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
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" <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
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" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
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" <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
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" <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
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" <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \
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" <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ActivateSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"LockSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"UnlockSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"KillSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"who\" type=\"s\"/>\n" \
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" <arg name=\"signal\" type=\"s\"/>\n" \
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" </method>\n" \
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" <method name=\"KillUser\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"signal\" type=\"s\"/>\n" \
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" </method>\n" \
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" <method name=\"TerminateSession\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"TerminateUser\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"TerminateSeat\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"SetUserLinger\">\n" \
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" <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \
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" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"AttachDevice\">\n" \
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" <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"FlushDevices\">\n" \
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" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"PowerOff\">\n" \
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" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"Reboot\">\n" \
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" <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <signal name=\"SessionNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SessionRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UserNew\">\n" \
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" <arg name=\"uid\" type=\"u\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"UserRemoved\">\n" \
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" <arg name=\"uid\" type=\"u\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SeatNew\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"SeatRemoved\">\n" \
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" <arg name=\"id\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
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" <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
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" <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
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" <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
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" <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
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" <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
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" </interface>\n"
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#define INTROSPECTION_BEGIN \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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BUS_MANAGER_INTERFACE \
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BUS_PROPERTIES_INTERFACE \
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BUS_PEER_INTERFACE \
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BUS_INTROSPECTABLE_INTERFACE
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#define INTROSPECTION_END \
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"</node>\n"
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#define INTERFACES_LIST \
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BUS_GENERIC_INTERFACES_LIST \
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"org.freedesktop.login1.Manager\0"
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static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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dbus_bool_t b;
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assert(i);
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assert(property);
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assert(m);
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b = manager_get_idle_hint(m, NULL) > 0;
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) {
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Manager *m = data;
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dual_timestamp t;
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uint64_t u;
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assert(i);
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assert(property);
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assert(m);
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manager_get_idle_hint(m, &t);
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u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
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if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u))
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return -ENOMEM;
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return 0;
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}
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static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) {
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Session *session = NULL;
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User *user = NULL;
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const char *type, *seat, *tty, *display, *remote_user, *remote_host, *service;
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uint32_t uid, leader, audit_id = 0;
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dbus_bool_t remote, kill_processes;
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char **controllers = NULL, **reset_controllers = NULL;
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SessionType t;
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Seat *s;
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DBusMessageIter iter;
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int r;
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char *id = NULL, *p;
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uint32_t vtnr = 0;
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int fifo_fd = -1;
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DBusMessage *reply = NULL;
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bool b;
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assert(m);
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assert(message);
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assert(_reply);
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if (!dbus_message_iter_init(message, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &uid);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &leader);
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if (leader <= 0 ||
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!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &service);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &type);
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t = session_type_from_string(type);
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if (t < 0 ||
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!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &seat);
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if (isempty(seat))
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s = NULL;
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else {
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s = hashmap_get(m->seats, seat);
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if (!s)
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return -ENOENT;
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}
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &vtnr);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &tty);
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if (tty_is_vc(tty)) {
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int v;
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if (!s)
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s = m->vtconsole;
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else if (s != m->vtconsole)
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return -EINVAL;
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v = vtnr_from_tty(tty);
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if (v <= 0)
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return v < 0 ? v : -EINVAL;
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if (vtnr <= 0)
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vtnr = (uint32_t) v;
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else if (vtnr != (uint32_t) v)
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return -EINVAL;
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} else if (!isempty(tty) && s && seat_is_vtconsole(s))
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return -EINVAL;
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if (s) {
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if (seat_is_vtconsole(s)) {
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if (vtnr <= 0 || vtnr > 63)
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return -EINVAL;
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} else {
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if (vtnr > 0)
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return -EINVAL;
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}
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}
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &display);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &remote);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &remote_user);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &remote_host);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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r = bus_parse_strv_iter(&iter, &controllers);
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if (r < 0)
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return -EINVAL;
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if (strv_contains(controllers, "systemd") ||
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!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) {
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r = -EINVAL;
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goto fail;
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}
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|
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r = bus_parse_strv_iter(&iter, &reset_controllers);
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if (r < 0)
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goto fail;
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|
|
|
if (strv_contains(reset_controllers, "systemd") ||
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!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
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r = -EINVAL;
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|
goto fail;
|
|
}
|
|
|
|
dbus_message_iter_get_basic(&iter, &kill_processes);
|
|
|
|
r = manager_add_user_by_uid(m, uid, &user);
|
|
if (r < 0)
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goto fail;
|
|
|
|
audit_session_from_pid(leader, &audit_id);
|
|
|
|
if (audit_id > 0) {
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asprintf(&id, "%lu", (unsigned long) audit_id);
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|
|
|
if (!id) {
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|
r = -ENOMEM;
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|
goto fail;
|
|
}
|
|
|
|
session = hashmap_get(m->sessions, id);
|
|
|
|
if (session) {
|
|
free(id);
|
|
|
|
fifo_fd = session_create_fifo(session);
|
|
if (fifo_fd < 0) {
|
|
r = fifo_fd;
|
|
goto fail;
|
|
}
|
|
|
|
/* Session already exists, client is probably
|
|
* something like "su" which changes uid but
|
|
* is still the same audit session */
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
p = session_bus_path(session);
|
|
if (!p) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
seat = session->seat ? session->seat->id : "";
|
|
vtnr = session->vtnr;
|
|
b = dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_STRING, &session->id,
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
DBUS_TYPE_STRING, &session->user->runtime_path,
|
|
DBUS_TYPE_UNIX_FD, &fifo_fd,
|
|
DBUS_TYPE_STRING, &seat,
|
|
DBUS_TYPE_UINT32, &vtnr,
|
|
DBUS_TYPE_INVALID);
|
|
free(p);
|
|
|
|
if (!b) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
close_nointr_nofail(fifo_fd);
|
|
*_reply = reply;
|
|
|
|
strv_free(controllers);
|
|
strv_free(reset_controllers);
|
|
|
|
return 0;
|
|
}
|
|
|
|
} else {
|
|
do {
|
|
free(id);
|
|
asprintf(&id, "c%lu", ++m->session_counter);
|
|
|
|
if (!id) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
} while (hashmap_get(m->sessions, id));
|
|
}
|
|
|
|
r = manager_add_session(m, user, id, &session);
|
|
free(id);
|
|
if (r < 0)
|
|
goto fail;
|
|
|
|
session->leader = leader;
|
|
session->audit_id = audit_id;
|
|
session->type = t;
|
|
session->remote = remote;
|
|
session->controllers = controllers;
|
|
session->reset_controllers = reset_controllers;
|
|
session->kill_processes = kill_processes;
|
|
session->vtnr = vtnr;
|
|
|
|
controllers = reset_controllers = NULL;
|
|
|
|
if (!isempty(tty)) {
|
|
session->tty = strdup(tty);
|
|
if (!session->tty) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (!isempty(display)) {
|
|
session->display = strdup(display);
|
|
if (!session->display) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (!isempty(remote_user)) {
|
|
session->remote_user = strdup(remote_user);
|
|
if (!session->remote_user) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (!isempty(remote_host)) {
|
|
session->remote_host = strdup(remote_host);
|
|
if (!session->remote_host) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (!isempty(service)) {
|
|
session->service = strdup(service);
|
|
if (!session->service) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
fifo_fd = session_create_fifo(session);
|
|
if (fifo_fd < 0) {
|
|
r = fifo_fd;
|
|
goto fail;
|
|
}
|
|
|
|
if (s) {
|
|
r = seat_attach_session(s, session);
|
|
if (r < 0)
|
|
goto fail;
|
|
}
|
|
|
|
r = session_start(session);
|
|
if (r < 0)
|
|
goto fail;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
p = session_bus_path(session);
|
|
if (!p) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
seat = s ? s->id : "";
|
|
b = dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_STRING, &session->id,
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
DBUS_TYPE_STRING, &session->user->runtime_path,
|
|
DBUS_TYPE_UNIX_FD, &fifo_fd,
|
|
DBUS_TYPE_STRING, &seat,
|
|
DBUS_TYPE_UINT32, &vtnr,
|
|
DBUS_TYPE_INVALID);
|
|
free(p);
|
|
|
|
if (!b) {
|
|
r = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
close_nointr_nofail(fifo_fd);
|
|
*_reply = reply;
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
strv_free(controllers);
|
|
strv_free(reset_controllers);
|
|
|
|
if (session)
|
|
session_add_to_gc_queue(session);
|
|
|
|
if (user)
|
|
user_add_to_gc_queue(user);
|
|
|
|
if (fifo_fd >= 0)
|
|
close_nointr_nofail(fifo_fd);
|
|
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int trigger_device(Manager *m, struct udev_device *d) {
|
|
struct udev_enumerate *e;
|
|
struct udev_list_entry *first, *item;
|
|
int r;
|
|
|
|
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_one_line_file(t, "change");
|
|
free(t);
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (e)
|
|
udev_enumerate_unref(e);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int attach_device(Manager *m, const char *seat, const char *sysfs) {
|
|
struct udev_device *d;
|
|
char *rule = NULL, *file = NULL;
|
|
const char *id_for_seat;
|
|
int r;
|
|
|
|
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("/etc/udev/rules.d", 0755);
|
|
r = write_one_line_file_atomic(file, rule);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
r = trigger_device(m, d);
|
|
|
|
finish:
|
|
free(rule);
|
|
free(file);
|
|
|
|
if (d)
|
|
udev_device_unref(d);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int flush_devices(Manager *m) {
|
|
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);
|
|
}
|
|
|
|
closedir(d);
|
|
}
|
|
|
|
return trigger_device(m, NULL);
|
|
}
|
|
|
|
static DBusHandlerResult manager_message_handler(
|
|
DBusConnection *connection,
|
|
DBusMessage *message,
|
|
void *userdata) {
|
|
|
|
Manager *m = userdata;
|
|
|
|
const BusProperty properties[] = {
|
|
{ "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
|
|
{ "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
|
|
{ "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
|
|
{ "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
|
|
{ "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
|
|
{ "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
|
|
{ "org.freedesktop.login1.Manager", "KillUserProcesses", bus_property_append_bool, "b", &m->kill_user_processes },
|
|
{ "org.freedesktop.login1.Manager", "IdleHint", bus_manager_append_idle_hint, "b", m },
|
|
{ "org.freedesktop.login1.Manager", "IdleSinceHint", bus_manager_append_idle_hint_since, "t", m },
|
|
{ "org.freedesktop.login1.Manager", "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", m },
|
|
{ NULL, NULL, NULL, NULL, NULL }
|
|
};
|
|
|
|
DBusError error;
|
|
DBusMessage *reply = NULL;
|
|
int r;
|
|
|
|
assert(connection);
|
|
assert(message);
|
|
assert(m);
|
|
|
|
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);
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
if (!session)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
p = session_bus_path(session);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
b = dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
DBUS_TYPE_INVALID);
|
|
free(p);
|
|
|
|
if (!b)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) {
|
|
uint32_t uid;
|
|
char *p;
|
|
User *user;
|
|
bool b;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_UINT32, &uid,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
|
|
if (!user)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
p = user_bus_path(user);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
b = dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
DBUS_TYPE_INVALID);
|
|
free(p);
|
|
|
|
if (!b)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) {
|
|
const char *name;
|
|
char *p;
|
|
Seat *seat;
|
|
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);
|
|
|
|
seat = hashmap_get(m->seats, name);
|
|
if (!seat)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
p = seat_bus_path(seat);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
b = dbus_message_append_args(
|
|
reply,
|
|
DBUS_TYPE_OBJECT_PATH, &p,
|
|
DBUS_TYPE_INVALID);
|
|
free(p);
|
|
|
|
if (!b)
|
|
goto oom;
|
|
|
|
} 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 = "";
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH(session, m->sessions, i) {
|
|
DBusMessageIter sub2;
|
|
uint32_t uid;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
uid = session->user->uid;
|
|
|
|
p = session_bus_path(session);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
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;
|
|
}
|
|
|
|
free(p);
|
|
|
|
if (!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) {
|
|
char *p;
|
|
User *user;
|
|
Iterator i;
|
|
DBusMessageIter iter, sub;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH(user, m->users, i) {
|
|
DBusMessageIter sub2;
|
|
uint32_t uid;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
uid = user->uid;
|
|
|
|
p = user_bus_path(user);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
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;
|
|
}
|
|
|
|
free(p);
|
|
|
|
if (!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) {
|
|
char *p;
|
|
Seat *seat;
|
|
Iterator i;
|
|
DBusMessageIter iter, sub;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub))
|
|
goto oom;
|
|
|
|
HASHMAP_FOREACH(seat, m->seats, i) {
|
|
DBusMessageIter sub2;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
|
|
goto oom;
|
|
|
|
p = seat_bus_path(seat);
|
|
if (!p)
|
|
goto oom;
|
|
|
|
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;
|
|
}
|
|
|
|
free(p);
|
|
|
|
if (!dbus_message_iter_close_container(&sub, &sub2))
|
|
goto oom;
|
|
}
|
|
|
|
if (!dbus_message_iter_close_container(&iter, &sub))
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
|
|
|
|
r = bus_manager_create_session(m, message, &reply);
|
|
|
|
/* 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 */
|
|
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
} 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);
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
if (!session)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
r = session_activate(session);
|
|
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);
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
if (!session)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0)
|
|
goto oom;
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} 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 (!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 (signo <= 0 || signo >= _NSIG)
|
|
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);
|
|
|
|
r = session_kill(session, who, signo);
|
|
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;
|
|
|
|
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 (signo <= 0 || signo >= _NSIG)
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
|
|
if (!user)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
r = user_kill(user, signo);
|
|
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", "TerminateSession")) {
|
|
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);
|
|
|
|
session = hashmap_get(m->sessions, name);
|
|
if (!session)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
r = session_stop(session);
|
|
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", "TerminateUser")) {
|
|
uint32_t uid;
|
|
User *user;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_UINT32, &uid,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
|
|
if (!user)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
r = user_stop(user);
|
|
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", "TerminateSeat")) {
|
|
const char *name;
|
|
Seat *seat;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
seat = hashmap_get(m->seats, name);
|
|
if (!seat)
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
r = seat_stop_sessions(seat);
|
|
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", "SetUserLinger")) {
|
|
uint32_t uid;
|
|
struct passwd *pw;
|
|
dbus_bool_t b, interactive;
|
|
char *path;
|
|
|
|
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, &error);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
r = safe_mkdir("/var/lib/systemd/linger", 0755, 0, 0);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
path = strappend("/var/lib/systemd/linger/", pw->pw_name);
|
|
if (!path)
|
|
goto oom;
|
|
|
|
if (b) {
|
|
User *u;
|
|
|
|
r = touch(path);
|
|
free(path);
|
|
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
if (manager_add_user_by_uid(m, uid, &u) >= 0)
|
|
user_start(u);
|
|
|
|
} else {
|
|
User *u;
|
|
|
|
r = unlink(path);
|
|
free(path);
|
|
|
|
if (r < 0 && errno != ENOENT)
|
|
return bus_send_error_reply(connection, message, &error, -errno);
|
|
|
|
u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
|
|
if (u)
|
|
user_add_to_gc_queue(u);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) {
|
|
const char *sysfs, *seat;
|
|
dbus_bool_t interactive;
|
|
|
|
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);
|
|
|
|
if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat))
|
|
return bus_send_error_reply(connection, message, NULL, -EINVAL);
|
|
|
|
r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, &error);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
r = attach_device(m, seat, sysfs);
|
|
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", "FlushDevices")) {
|
|
dbus_bool_t interactive;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_BOOLEAN, &interactive,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, &error);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
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") ||
|
|
dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) {
|
|
dbus_bool_t interactive;
|
|
bool multiple_sessions;
|
|
DBusMessage *forward, *freply;
|
|
const char *name;
|
|
const char *mode = "replace";
|
|
const char *action;
|
|
|
|
if (!dbus_message_get_args(
|
|
message,
|
|
&error,
|
|
DBUS_TYPE_BOOLEAN, &interactive,
|
|
DBUS_TYPE_INVALID))
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
multiple_sessions = hashmap_size(m->sessions) > 1;
|
|
|
|
if (!multiple_sessions) {
|
|
Session *s;
|
|
|
|
/* Hmm, there's only one session, but let's
|
|
* make sure it actually belongs to the user
|
|
* who is asking. If not, better be safe than
|
|
* sorry. */
|
|
|
|
s = hashmap_first(m->sessions);
|
|
if (s) {
|
|
unsigned long ul;
|
|
|
|
ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), &error);
|
|
if (ul == (unsigned long) -1)
|
|
return bus_send_error_reply(connection, message, &error, -EIO);
|
|
|
|
multiple_sessions = s->user->uid != ul;
|
|
}
|
|
}
|
|
|
|
if (streq(dbus_message_get_member(message), "PowerOff")) {
|
|
if (multiple_sessions)
|
|
action = "org.freedesktop.login1.power-off-multiple-sessions";
|
|
else
|
|
action = "org.freedesktop.login1.power-off";
|
|
|
|
name = SPECIAL_POWEROFF_TARGET;
|
|
} else {
|
|
if (multiple_sessions)
|
|
action = "org.freedesktop.login1.reboot-multiple-sessions";
|
|
else
|
|
action = "org.freedesktop.login1.reboot";
|
|
|
|
name = SPECIAL_REBOOT_TARGET;
|
|
}
|
|
|
|
r = verify_polkit(connection, message, action, interactive, &error);
|
|
if (r < 0)
|
|
return bus_send_error_reply(connection, message, &error, r);
|
|
|
|
forward = dbus_message_new_method_call(
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"StartUnit");
|
|
if (!forward)
|
|
return bus_send_error_reply(connection, message, NULL, -ENOMEM);
|
|
|
|
if (!dbus_message_append_args(forward,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &mode,
|
|
DBUS_TYPE_INVALID)) {
|
|
dbus_message_unref(forward);
|
|
return bus_send_error_reply(connection, message, NULL, -ENOMEM);
|
|
}
|
|
|
|
freply = dbus_connection_send_with_reply_and_block(connection, forward, -1, &error);
|
|
dbus_message_unref(forward);
|
|
|
|
if (!freply)
|
|
return bus_send_error_reply(connection, message, &error, -EIO);
|
|
|
|
dbus_message_unref(freply);
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
if (!reply)
|
|
goto oom;
|
|
|
|
} 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);
|
|
}
|
|
}
|
|
|
|
HASHMAP_FOREACH(user, m->users, i)
|
|
fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
|
|
|
|
HASHMAP_FOREACH(session, m->sessions, i) {
|
|
p = bus_path_escape(session->id);
|
|
|
|
if (p) {
|
|
fprintf(f, "<node name=\"session/%s\"/>", p);
|
|
free(p);
|
|
}
|
|
}
|
|
|
|
fputs(INTROSPECTION_END, f);
|
|
|
|
if (ferror(f)) {
|
|
fclose(f);
|
|
free(introspection);
|
|
goto oom;
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
if (!introspection)
|
|
goto oom;
|
|
|
|
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
|
|
free(introspection);
|
|
goto oom;
|
|
}
|
|
|
|
free(introspection);
|
|
} else
|
|
return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, properties);
|
|
|
|
if (reply) {
|
|
if (!dbus_connection_send(connection, reply, NULL))
|
|
goto oom;
|
|
|
|
dbus_message_unref(reply);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
oom:
|
|
if (reply)
|
|
dbus_message_unref(reply);
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
}
|
|
|
|
const DBusObjectPathVTable bus_manager_vtable = {
|
|
.message_function = manager_message_handler
|
|
};
|
|
|
|
DBusHandlerResult bus_message_filter(
|
|
DBusConnection *connection,
|
|
DBusMessage *message,
|
|
void *userdata) {
|
|
|
|
Manager *m = userdata;
|
|
DBusError error;
|
|
|
|
assert(m);
|
|
assert(connection);
|
|
assert(message);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) {
|
|
const char *cgroup;
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
DBUS_TYPE_STRING, &cgroup,
|
|
DBUS_TYPE_INVALID))
|
|
log_error("Failed to parse Released message: %s", bus_error_message(&error));
|
|
else
|
|
manager_cgroup_notify_empty(m, cgroup);
|
|
}
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
int manager_send_changed(Manager *manager, const char *properties) {
|
|
DBusMessage *m;
|
|
int r = -ENOMEM;
|
|
|
|
assert(manager);
|
|
|
|
m = bus_properties_changed_new("/org/freedesktop/login1", "org.freedesktop.login1.Manager", properties);
|
|
if (!m)
|
|
goto finish;
|
|
|
|
if (!dbus_connection_send(manager->bus, m, NULL))
|
|
goto finish;
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
if (m)
|
|
dbus_message_unref(m);
|
|
|
|
return r;
|
|
}
|