/**
* pk_dbus_get_uid:
* @dbus: the #PkDbus instance
* @sender: the sender
*
* Gets the process UID.
*
* Return value: the UID, or %G_MAXUINT if it could not be obtained
**/
guint
pk_dbus_get_uid (PkDbus *dbus, const gchar *sender)
{
guint uid = G_MAXUINT;
g_autoptr(GError) error = NULL;
g_autoptr(GVariant) value = NULL;
g_return_val_if_fail (PK_IS_DBUS (dbus), G_MAXUINT);
g_return_val_if_fail (sender != NULL, G_MAXUINT);
/* set in the test suite */
if (g_strcmp0 (sender, ":org.freedesktop.PackageKit") == 0) {
g_debug ("using self-check shortcut");
return 500;
}
value = g_dbus_proxy_call_sync (dbus->priv->proxy_uid,
"GetConnectionUnixUser",
g_variant_new ("(s)",
sender),
G_DBUS_CALL_FLAGS_NONE,
2000,
NULL,
&error);
if (value == NULL) {
g_warning ("Failed to get uid for %s: %s",
sender, error->message);
return G_MAXUINT;
}
g_variant_get (value, "(u)", &uid);
return uid;
}
/**
* pk_dbus_get_cmdline:
* @dbus: the #PkDbus instance
* @sender: the sender, usually got from dbus_g_method_get_dbus()
*
* Gets the command line for the ID.
*
* Return value: the cmdline, or %NULL if it could not be obtained
**/
gchar *
pk_dbus_get_cmdline (PkDbus *dbus, const gchar *sender)
{
gboolean ret;
gchar *cmdline = NULL;
guint pid;
g_autoptr(GError) error = NULL;
g_autofree gchar *filename = NULL;
g_return_val_if_fail (PK_IS_DBUS (dbus), NULL);
g_return_val_if_fail (sender != NULL, NULL);
/* set in the test suite */
if (g_strcmp0 (sender, ":org.freedesktop.PackageKit") == 0) {
g_debug ("using self-check shortcut");
return g_strdup ("/usr/sbin/packagekit");
}
/* get pid */
pid = pk_dbus_get_pid (dbus, sender);
if (pid == G_MAXUINT) {
g_warning ("failed to get PID");
return NULL;
}
/* get command line from proc */
filename = g_strdup_printf ("/proc/%i/cmdline", pid);
ret = g_file_get_contents (filename, &cmdline, NULL, &error);
if (!ret)
g_warning ("failed to get cmdline: %s", error->message);
return cmdline;
}
/**
* gpk_dbus_get_exec_for_sender:
**/
static gchar *
gpk_dbus_get_exec_for_sender (GpkDbus *dbus, const gchar *sender)
{
gchar *filename = NULL;
gchar *cmdline = NULL;
GError *error = NULL;
guint pid;
g_return_val_if_fail (PK_IS_DBUS (dbus), NULL);
g_return_val_if_fail (sender != NULL, NULL);
/* get pid */
pid = gpk_dbus_get_pid (dbus, sender);
if (pid == G_MAXUINT) {
g_warning ("failed to get PID");
goto out;
}
/* get command line from proc */
filename = g_strdup_printf ("/proc/%i/exe", pid);
cmdline = g_file_read_link (filename, &error);
if (cmdline == NULL) {
g_warning ("failed to find exec: %s", error->message);
g_error_free (error);
}
out:
g_free (filename);
return cmdline;
}
/**
* gpk_dbus_get_pid:
**/
static guint
gpk_dbus_get_pid (GpkDbus *dbus, const gchar *sender)
{
guint pid;
g_return_val_if_fail (PK_IS_DBUS (dbus), G_MAXUINT);
g_return_val_if_fail (dbus->priv->proxy_session_pid != NULL, G_MAXUINT);
g_return_val_if_fail (dbus->priv->proxy_system_pid != NULL, G_MAXUINT);
g_return_val_if_fail (sender != NULL, G_MAXUINT);
/* check system bus first */
pid = gpk_dbus_get_pid_system (dbus, sender);
if (pid != G_MAXUINT)
goto out;
/* and then session bus */
pid = gpk_dbus_get_pid_session (dbus, sender);
if (pid != G_MAXUINT)
goto out;
/* should be impossible */
g_warning ("could not find pid!");
out:
return pid;
}
/**
* pk_dbus_get_session:
* @dbus: the #PkDbus instance
* @sender: the sender, usually got from dbus_g_method_get_dbus()
*
* Gets the logind or ConsoleKit session for the ID.
*
* Return value: the session identifier, or %NULL if it could not be obtained
**/
gchar *
pk_dbus_get_session (PkDbus *dbus, const gchar *sender)
{
gchar *session = NULL;
#ifndef HAVE_SYSTEMD
g_autoptr(GError) error = NULL;
#endif
guint pid;
g_autoptr(GVariant) value = NULL;
g_return_val_if_fail (PK_IS_DBUS (dbus), NULL);
g_return_val_if_fail (sender != NULL, NULL);
/* set in the test suite */
if (g_strcmp0 (sender, ":org.freedesktop.PackageKit") == 0) {
g_debug ("using self-check shortcut");
session = g_strdup ("xxx");
goto out;
}
/* no ConsoleKit? */
if (dbus->priv->proxy_session == NULL) {
g_warning ("no ConsoleKit, so cannot get session");
goto out;
}
/* get pid */
pid = pk_dbus_get_pid (dbus, sender);
if (pid == G_MAXUINT) {
g_warning ("failed to get PID");
goto out;
}
/* get session from systemd or ConsoleKit */
#ifdef HAVE_SYSTEMD
session = pk_dbus_get_session_systemd (pid);
if (session == NULL)
g_warning ("failed to get session for pid %u", pid);
#else
/* get session from ConsoleKit */
value = g_dbus_proxy_call_sync (dbus->priv->proxy_session,
"GetSessionForUnixProcess",
g_variant_new ("(u)",
pid),
G_DBUS_CALL_FLAGS_NONE,
2000,
NULL,
&error);
if (value == NULL) {
g_warning ("Failed to get session for %s: %s",
sender, error->message);
goto out;
}
g_variant_get (value, "(o)", &session);
#endif
out:
return session;
}
/**
* pk_dbus_finalize:
**/
static void
pk_dbus_finalize (GObject *object)
{
PkDbus *dbus;
g_return_if_fail (object != NULL);
g_return_if_fail (PK_IS_DBUS (object));
dbus = PK_DBUS (object);
g_object_unref (dbus->priv->proxy_pid);
g_object_unref (dbus->priv->proxy_uid);
if (dbus->priv->proxy_session != NULL)
g_object_unref (dbus->priv->proxy_session);
G_OBJECT_CLASS (pk_dbus_parent_class)->finalize (object);
}
/**
* gpk_dbus_finalize:
* @object: The object to finalize
**/
static void
gpk_dbus_finalize (GObject *object)
{
GpkDbus *dbus;
g_return_if_fail (PK_IS_DBUS (object));
dbus = GPK_DBUS (object);
g_return_if_fail (dbus->priv != NULL);
g_timer_destroy (dbus->priv->timer);
g_object_unref (dbus->priv->settings);
g_object_unref (dbus->priv->x11);
g_object_unref (dbus->priv->proxy_session_pid);
g_object_unref (dbus->priv->proxy_system_pid);
G_OBJECT_CLASS (gpk_dbus_parent_class)->finalize (object);
}
/**
* pk_dbus_get_pid:
* @dbus: the #PkDbus instance
* @sender: the sender, usually got from dbus_g_method_get_dbus()
*
* Gets the process ID.
*
* Return value: the PID, or %G_MAXUINT if it could not be obtained
**/
static guint
pk_dbus_get_pid (PkDbus *dbus, const gchar *sender)
{
guint pid = G_MAXUINT;
_cleanup_error_free_ GError *error = NULL;
_cleanup_variant_unref_ GVariant *value = NULL;
g_return_val_if_fail (PK_IS_DBUS (dbus), G_MAXUINT);
g_return_val_if_fail (sender != NULL, G_MAXUINT);
/* set in the test suite */
if (g_strcmp0 (sender, ":org.freedesktop.PackageKit") == 0) {
g_debug ("using self-check shortcut");
return G_MAXUINT - 1;
}
/* no connection to DBus */
if (dbus->priv->proxy_pid == NULL)
return G_MAXUINT;
/* get pid from DBus */
value = g_dbus_proxy_call_sync (dbus->priv->proxy_pid,
"GetConnectionUnixProcessID",
g_variant_new ("(s)",
sender),
G_DBUS_CALL_FLAGS_NONE,
2000,
NULL,
&error);
if (value == NULL) {
g_warning ("Failed to get pid for %s: %s",
sender, error->message);
return G_MAXUINT;
}
g_variant_get (value, "(u)", &pid);
return pid;
}
