You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
558 lines
14 KiB
558 lines
14 KiB
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
|
|
|
|
Copyright (C) 2006-2007 William Jon McCann <mccann@jhu.edu>
|
|
Copyright (C) 2007 Kevin Kofler <Kevin@tigcc.ticalc.org>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "dm.h"
|
|
#include "dm_auth.h"
|
|
#include "dm_error.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <pwd.h>
|
|
|
|
#define DBUS_API_SUBJECT_TO_CHANGE
|
|
#include <dbus/dbus.h>
|
|
|
|
#include "consolekit.h"
|
|
|
|
|
|
#define CK_NAME "org.freedesktop.ConsoleKit"
|
|
#define CK_PATH "/org/freedesktop/ConsoleKit"
|
|
#define CK_INTERFACE "org.freedesktop.ConsoleKit"
|
|
#define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager"
|
|
#define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager"
|
|
#define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session"
|
|
|
|
static DBusConnection *private_connection = NULL;
|
|
|
|
static void
|
|
add_param_int (DBusMessageIter *iter_struct,
|
|
const char *key,
|
|
int value)
|
|
{
|
|
DBusMessageIter iter_struct_entry;
|
|
DBusMessageIter iter_var;
|
|
|
|
dbus_message_iter_open_container (iter_struct,
|
|
DBUS_TYPE_STRUCT,
|
|
NULL,
|
|
&iter_struct_entry);
|
|
|
|
dbus_message_iter_append_basic (&iter_struct_entry,
|
|
DBUS_TYPE_STRING,
|
|
&key);
|
|
|
|
dbus_message_iter_open_container (&iter_struct_entry,
|
|
DBUS_TYPE_VARIANT,
|
|
DBUS_TYPE_INT32_AS_STRING,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_append_basic (&iter_var,
|
|
DBUS_TYPE_INT32,
|
|
&value);
|
|
|
|
dbus_message_iter_close_container (&iter_struct_entry,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
|
|
}
|
|
|
|
static void
|
|
add_param_boolean (DBusMessageIter *iter_struct,
|
|
const char *key,
|
|
int value)
|
|
{
|
|
DBusMessageIter iter_struct_entry;
|
|
DBusMessageIter iter_var;
|
|
|
|
dbus_message_iter_open_container (iter_struct,
|
|
DBUS_TYPE_STRUCT,
|
|
NULL,
|
|
&iter_struct_entry);
|
|
|
|
dbus_message_iter_append_basic (&iter_struct_entry,
|
|
DBUS_TYPE_STRING,
|
|
&key);
|
|
|
|
dbus_message_iter_open_container (&iter_struct_entry,
|
|
DBUS_TYPE_VARIANT,
|
|
DBUS_TYPE_BOOLEAN_AS_STRING,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_append_basic (&iter_var,
|
|
DBUS_TYPE_BOOLEAN,
|
|
&value);
|
|
|
|
dbus_message_iter_close_container (&iter_struct_entry,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
|
|
}
|
|
|
|
static void
|
|
add_param_string (DBusMessageIter *iter_struct,
|
|
const char *key,
|
|
const char *value)
|
|
{
|
|
DBusMessageIter iter_struct_entry;
|
|
DBusMessageIter iter_var;
|
|
|
|
dbus_message_iter_open_container (iter_struct,
|
|
DBUS_TYPE_STRUCT,
|
|
NULL,
|
|
&iter_struct_entry);
|
|
|
|
dbus_message_iter_append_basic (&iter_struct_entry,
|
|
DBUS_TYPE_STRING,
|
|
&key);
|
|
|
|
dbus_message_iter_open_container (&iter_struct_entry,
|
|
DBUS_TYPE_VARIANT,
|
|
DBUS_TYPE_STRING_AS_STRING,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_append_basic (&iter_var,
|
|
DBUS_TYPE_STRING,
|
|
&value);
|
|
|
|
dbus_message_iter_close_container (&iter_struct_entry,
|
|
&iter_var);
|
|
|
|
dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
|
|
}
|
|
|
|
static int
|
|
session_get_x11_display (DBusConnection *connection,
|
|
const char *ssid,
|
|
char **str)
|
|
{
|
|
DBusError error;
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
DBusMessageIter iter;
|
|
const char *value;
|
|
|
|
if (str != NULL) {
|
|
*str = NULL;
|
|
}
|
|
|
|
message = dbus_message_new_method_call (CK_NAME,
|
|
ssid,
|
|
CK_SESSION_INTERFACE,
|
|
"GetX11Display");
|
|
if (message == NULL) {
|
|
Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
|
|
return FALSE;
|
|
}
|
|
|
|
dbus_error_init (&error);
|
|
reply = dbus_connection_send_with_reply_and_block (connection,
|
|
message,
|
|
-1, &error);
|
|
if (dbus_error_is_set (&error)) {
|
|
Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
|
|
reply = NULL;
|
|
}
|
|
|
|
dbus_connection_flush (connection);
|
|
dbus_message_unref (message);
|
|
|
|
if (reply == NULL) {
|
|
return FALSE;
|
|
}
|
|
|
|
dbus_message_iter_init (reply, &iter);
|
|
dbus_message_iter_get_basic (&iter, &value);
|
|
if (str != NULL) {
|
|
*str = strdup (value);
|
|
}
|
|
dbus_message_unref (reply);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
session_unlock (DBusConnection *connection,
|
|
const char *ssid)
|
|
{
|
|
DBusError error;
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
|
|
Debug ("ConsoleKit: Unlocking session %s", ssid);
|
|
message = dbus_message_new_method_call (CK_NAME,
|
|
ssid,
|
|
CK_SESSION_INTERFACE,
|
|
"Unlock");
|
|
if (message == NULL) {
|
|
Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
|
|
return FALSE;
|
|
}
|
|
|
|
dbus_error_init (&error);
|
|
reply = dbus_connection_send_with_reply_and_block (connection,
|
|
message,
|
|
-1, &error);
|
|
dbus_message_unref (message);
|
|
dbus_message_unref (reply);
|
|
dbus_connection_flush (connection);
|
|
|
|
if (dbus_error_is_set (&error)) {
|
|
Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* from libhal */
|
|
static char **
|
|
get_path_array_from_iter (DBusMessageIter *iter,
|
|
int *num_elements)
|
|
{
|
|
int count;
|
|
char **buffer;
|
|
|
|
count = 0;
|
|
buffer = (char **)malloc (sizeof (char *) * 8);
|
|
|
|
if (buffer == NULL)
|
|
goto oom;
|
|
|
|
buffer[0] = NULL;
|
|
while (dbus_message_iter_get_arg_type (iter) == DBUS_TYPE_OBJECT_PATH) {
|
|
const char *value;
|
|
char *str;
|
|
|
|
if ((count % 8) == 0 && count != 0) {
|
|
buffer = realloc (buffer, sizeof (char *) * (count + 8));
|
|
if (buffer == NULL)
|
|
goto oom;
|
|
}
|
|
|
|
dbus_message_iter_get_basic (iter, &value);
|
|
str = strdup (value);
|
|
if (str == NULL)
|
|
goto oom;
|
|
|
|
buffer[count] = str;
|
|
|
|
dbus_message_iter_next (iter);
|
|
count++;
|
|
}
|
|
|
|
if ((count % 8) == 0) {
|
|
buffer = realloc (buffer, sizeof (char *) * (count + 1));
|
|
if (buffer == NULL)
|
|
goto oom;
|
|
}
|
|
|
|
buffer[count] = NULL;
|
|
if (num_elements != NULL)
|
|
*num_elements = count;
|
|
return buffer;
|
|
|
|
oom:
|
|
LogWarn ("%s %d : error allocating memory\n", __FILE__, __LINE__);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
static char **
|
|
get_sessions_for_user (DBusConnection *connection,
|
|
const char *user,
|
|
const char *x11_display)
|
|
{
|
|
DBusError error;
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
DBusMessageIter iter;
|
|
DBusMessageIter iter_reply;
|
|
DBusMessageIter iter_array;
|
|
struct passwd *pwent;
|
|
char **sessions;
|
|
|
|
sessions = NULL;
|
|
message = NULL;
|
|
reply = NULL;
|
|
|
|
pwent = getpwnam (user);
|
|
|
|
dbus_error_init (&error);
|
|
message = dbus_message_new_method_call (CK_NAME,
|
|
CK_MANAGER_PATH,
|
|
CK_MANAGER_INTERFACE,
|
|
"GetSessionsForUser");
|
|
if (message == NULL) {
|
|
Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
|
|
goto out;
|
|
}
|
|
|
|
dbus_message_iter_init_append (message, &iter);
|
|
dbus_message_iter_append_basic (&iter,
|
|
DBUS_TYPE_UINT32,
|
|
&pwent->pw_uid);
|
|
|
|
dbus_error_init (&error);
|
|
reply = dbus_connection_send_with_reply_and_block (connection,
|
|
message,
|
|
-1, &error);
|
|
dbus_connection_flush (connection);
|
|
|
|
if (dbus_error_is_set (&error)) {
|
|
Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
|
|
goto out;
|
|
}
|
|
|
|
if (reply == NULL) {
|
|
Debug ("ConsoleKit: No reply for GetSessionsForUser");
|
|
goto out;
|
|
}
|
|
|
|
dbus_message_iter_init (reply, &iter_reply);
|
|
if (dbus_message_iter_get_arg_type (&iter_reply) != DBUS_TYPE_ARRAY) {
|
|
Debug ("ConsoleKit: Wrong reply for GetSessionsForUser - expecting an array.");
|
|
goto out;
|
|
}
|
|
|
|
dbus_message_iter_recurse (&iter_reply, &iter_array);
|
|
sessions = get_path_array_from_iter (&iter_array, NULL);
|
|
|
|
out:
|
|
if (message != NULL) {
|
|
dbus_message_unref (message);
|
|
}
|
|
if (reply != NULL) {
|
|
dbus_message_unref (reply);
|
|
}
|
|
|
|
return sessions;
|
|
}
|
|
|
|
void
|
|
unlock_ck_session (const char *user,
|
|
const char *x11_display)
|
|
{
|
|
DBusError error;
|
|
DBusConnection *connection;
|
|
char **sessions;
|
|
int i;
|
|
|
|
Debug ("ConsoleKit: Unlocking session for %s on %s", user, x11_display);
|
|
|
|
dbus_error_init (&error);
|
|
connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
|
|
if (connection == NULL) {
|
|
Debug ("ConsoleKit: Failed to connect to the D-Bus daemon: %s", error.message);
|
|
dbus_error_free (&error);
|
|
return;
|
|
}
|
|
|
|
sessions = get_sessions_for_user (connection, user, x11_display);
|
|
if (sessions == NULL || sessions[0] == NULL) {
|
|
Debug ("ConsoleKit: no sessions found");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; sessions[i] != NULL; i++) {
|
|
char *ssid;
|
|
char *xdisplay;
|
|
|
|
ssid = sessions[i];
|
|
session_get_x11_display (connection, ssid, &xdisplay);
|
|
Debug ("ConsoleKit: session %s has DISPLAY %s", ssid, xdisplay);
|
|
|
|
if (xdisplay != NULL
|
|
&& x11_display != NULL
|
|
&& strcmp (xdisplay, x11_display) == 0) {
|
|
int res;
|
|
|
|
res = session_unlock (connection, ssid);
|
|
if (! res) {
|
|
LogError ("ConsoleKit: Unable to unlock %s", ssid);
|
|
}
|
|
}
|
|
|
|
free (xdisplay);
|
|
}
|
|
|
|
freeStrArr (sessions);
|
|
}
|
|
|
|
char *
|
|
open_ck_session (struct passwd *pwent,
|
|
struct display *d)
|
|
{
|
|
DBusConnection *connection;
|
|
DBusError error;
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
DBusMessageIter iter;
|
|
DBusMessageIter iter_struct;
|
|
char *cookie;
|
|
|
|
cookie = NULL;
|
|
|
|
if (pwent == NULL) {
|
|
Debug ("ConsoleKit: NULL user passed as parameter");
|
|
return NULL;
|
|
}
|
|
|
|
Debug ("ConsoleKit: Opening session for %s", pwent->pw_name);
|
|
|
|
dbus_error_init (&error);
|
|
connection = dbus_bus_get_private (DBUS_BUS_SYSTEM, &error);
|
|
private_connection = connection;
|
|
|
|
if (connection == NULL) {
|
|
Debug ("ConsoleKit: Failed to connect to the D-Bus daemon: %s", error.message);
|
|
dbus_error_free (&error);
|
|
return NULL;
|
|
}
|
|
|
|
dbus_connection_set_exit_on_disconnect (connection, FALSE);
|
|
/* FIXME: What to do about these?
|
|
dbus_connection_set_watch_functions( connection,
|
|
dbusAddWatch,
|
|
dbusRemoveWatch,
|
|
dbusToggleWatch,
|
|
data, 0 );
|
|
dbus_connection_set_timeout_functions( connection,
|
|
dbusAddTimeout,
|
|
dbusRemoveTimeout,
|
|
dbusToggleTimeout,
|
|
data, 0 );
|
|
dbus_connection_set_wakeup_main_function( connection,
|
|
dbusWakeupMain,
|
|
data, 0 ); */
|
|
|
|
dbus_error_init (&error);
|
|
message = dbus_message_new_method_call (CK_NAME,
|
|
CK_MANAGER_PATH,
|
|
CK_MANAGER_INTERFACE,
|
|
"OpenSessionWithParameters");
|
|
if (message == NULL) {
|
|
Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
|
|
return NULL;
|
|
}
|
|
|
|
dbus_message_iter_init_append (message, &iter);
|
|
dbus_message_iter_open_container (&iter,
|
|
DBUS_TYPE_ARRAY,
|
|
DBUS_STRUCT_BEGIN_CHAR_AS_STRING
|
|
DBUS_TYPE_STRING_AS_STRING
|
|
DBUS_TYPE_VARIANT_AS_STRING
|
|
DBUS_STRUCT_END_CHAR_AS_STRING,
|
|
&iter_struct);
|
|
|
|
add_param_int (&iter_struct, "user", pwent->pw_uid);
|
|
add_param_string (&iter_struct, "x11-display", d->name);
|
|
add_param_boolean (&iter_struct, "is-local", ((d->displayType & d_location) == dLocal));
|
|
#ifdef XDMCP
|
|
if ((d->displayType & d_location) != dLocal) {
|
|
add_param_string (&iter_struct, "remote-host-name", d->remoteHost);
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_VTS
|
|
if (d->serverVT > 0) {
|
|
char device[20];
|
|
|
|
/* FIXME: how does xorg construct this */
|
|
sprintf(device, "/dev/tty%d", d->serverVT);
|
|
add_param_string (&iter_struct, "x11-display-device", device);
|
|
}
|
|
#endif
|
|
|
|
dbus_message_iter_close_container (&iter, &iter_struct);
|
|
|
|
reply = dbus_connection_send_with_reply_and_block (connection,
|
|
message,
|
|
-1, &error);
|
|
if (dbus_error_is_set (&error)) {
|
|
Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
|
|
reply = NULL;
|
|
}
|
|
|
|
dbus_connection_flush (connection);
|
|
|
|
dbus_message_unref (message);
|
|
dbus_error_free (&error);
|
|
|
|
if (reply != NULL) {
|
|
const char *value;
|
|
|
|
dbus_message_iter_init (reply, &iter);
|
|
dbus_message_iter_get_basic (&iter, &value);
|
|
cookie = strdup (value);
|
|
dbus_message_unref (reply);
|
|
}
|
|
|
|
return cookie;
|
|
}
|
|
|
|
void
|
|
close_ck_session (const char *cookie)
|
|
{
|
|
DBusError error;
|
|
DBusMessage *message;
|
|
DBusMessage *reply;
|
|
DBusMessageIter iter;
|
|
|
|
if (cookie == NULL) {
|
|
return;
|
|
}
|
|
|
|
if (private_connection == NULL) {
|
|
return;
|
|
}
|
|
|
|
dbus_error_init (&error);
|
|
message = dbus_message_new_method_call (CK_NAME,
|
|
CK_MANAGER_PATH,
|
|
CK_MANAGER_INTERFACE,
|
|
"CloseSession");
|
|
if (message == NULL) {
|
|
Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
|
|
return;
|
|
}
|
|
|
|
dbus_message_iter_init_append (message, &iter);
|
|
dbus_message_iter_append_basic (&iter,
|
|
DBUS_TYPE_STRING,
|
|
&cookie);
|
|
|
|
reply = dbus_connection_send_with_reply_and_block (private_connection,
|
|
message,
|
|
-1, &error);
|
|
if (dbus_error_is_set (&error)) {
|
|
Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
|
|
reply = NULL;
|
|
}
|
|
|
|
dbus_connection_flush (private_connection);
|
|
|
|
dbus_message_unref (message);
|
|
dbus_error_free (&error);
|
|
|
|
dbus_connection_close (private_connection);
|
|
private_connection = NULL;
|
|
}
|