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logind: enable PowerOff/Reboot calls

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This commit is contained in:
Lennart Poettering 2011-07-15 01:52:52 +02:00
parent e5fcb85286
commit 55af389785
3 changed files with 134 additions and 3 deletions
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2
TODO
View File

@ -30,8 +30,6 @@ Features:
* logind: spawn user@..service on login
* logind: implement shutdown service
* logind: non-local X11 server handling
* logind: use sysfs path in device hash table instead of syname, as soon as fb driver is fixed

93
src/logind-dbus.c
View File

@ -28,6 +28,7 @@
#include "dbus-common.h"
#include "strv.h"
#include "polkit.h"
#include "special.h"
#define BUS_MANAGER_INTERFACE \
" <interface name=\"org.freedesktop.login1.Manager\">\n" \
@ -112,6 +113,12 @@
" <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" \
" <signal name=\"SessionNew\">\n" \
" <arg name=\"id\" type=\"s\"/>\n" \
" <arg name=\"path\" type=\"o\"/>\n" \
@ -1255,6 +1262,92 @@ static DBusHandlerResult manager_message_handler(
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;

42
src/org.freedesktop.login1.policy.in
View File

@ -38,7 +38,47 @@
<action id="org.freedesktop.login1.flush-devices">
<_description>Flush device to seat attachments</_description>
<_message>Authentication is required to allow reseting how devices are attached to seats</_message>
<_message>Authentication is required to allow resetting how devices are attached to seats</_message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
<action id="org.freedesktop.login1.power-off">
<_description>Power off the system</_description>
<_message>Authentication is required to allow powering off the system</_message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>yes</allow_active>
</defaults>
</action>
<action id="org.freedesktop.login1.power-off-multiple-sessions">
<_description>Power off the system when other users are logged in</_description>
<_message>Authentication is required to allow powering off the system while other users are logged in</_message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
<action id="org.freedesktop.login1.reboot">
<_description>Reboot the system</_description>
<_message>Authentication is required to allow rebooting the system</_message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>yes</allow_active>
</defaults>
</action>
<action id="org.freedesktop.login1.reboot-multiple-sessions">
<_description>Reboot the system when other users are logged in</_description>
<_message>Authentication is required to allow rebooting the system while other users are logged in</_message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>