mirror of
https://gitlab.com/mishakmak/pam-fprint-grosshack.git
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Port to PolicyKit 1.0
See https://bugzilla.redhat.com/show_bug.cgi?id=498368 and https://fedoraproject.org/wiki/Features/PolicyKitOne
This commit is contained in:
Matthias Clasen
committed by
Bastien Nocera
Bastien Nocera
parent
4ea1c48f9f
commit
24fefbe332
109
src/device.c
109
src/device.c
@ -23,7 +23,6 @@
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#include <dbus/dbus-glib-lowlevel.h>
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#include <glib/gi18n.h>
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#include <polkit/polkit.h>
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#include <polkit-dbus/polkit-dbus.h>
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#include <libfprint/fprint.h>
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#include <sys/types.h>
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@ -96,7 +95,7 @@ struct FprintDevicePrivate {
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struct fp_dev *dev;
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struct session_data *session;
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PolKitContext *pol_ctx;
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PolkitAuthority *auth;
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/* The current user of the device, if claimed */
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char *sender;
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@ -263,53 +262,13 @@ static void fprint_device_class_init(FprintDeviceClass *klass)
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g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING);
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}
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static gboolean
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pk_io_watch_have_data (GIOChannel *channel, GIOCondition condition, gpointer user_data)
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{
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int fd;
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PolKitContext *pk_context = user_data;
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fd = g_io_channel_unix_get_fd (channel);
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polkit_context_io_func (pk_context, fd);
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return TRUE;
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}
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static int
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pk_io_add_watch (PolKitContext *pk_context, int fd)
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{
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guint id = 0;
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GIOChannel *channel;
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channel = g_io_channel_unix_new (fd);
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if (channel == NULL)
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goto out;
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id = g_io_add_watch (channel, G_IO_IN, pk_io_watch_have_data, pk_context);
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if (id == 0) {
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g_io_channel_unref (channel);
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goto out;
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}
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g_io_channel_unref (channel);
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out:
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return id;
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}
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static void
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pk_io_remove_watch (PolKitContext *pk_context, int watch_id)
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{
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g_source_remove (watch_id);
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}
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static void fprint_device_init(FprintDevice *device)
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{
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FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(device);
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priv->id = ++last_id;
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/* Setup PolicyKit */
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priv->pol_ctx = polkit_context_new ();
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polkit_context_set_io_watch_functions (priv->pol_ctx, pk_io_add_watch, pk_io_remove_watch);
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if (!polkit_context_init (priv->pol_ctx, NULL)) {
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g_critical ("cannot initialize libpolkit");
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polkit_context_unref (priv->pol_ctx);
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priv->pol_ctx = NULL;
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}
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priv->auth = polkit_authority_get ();
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priv->clients = g_hash_table_new_full (g_str_hash,
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g_str_equal,
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g_free,
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@ -446,56 +405,40 @@ _fprint_device_check_polkit_for_action (FprintDevice *rdev, DBusGMethodInvocatio
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{
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FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
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const char *sender;
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DBusError dbus_error;
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PolKitCaller *pk_caller;
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PolKitAction *pk_action;
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PolKitResult pk_result;
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uid_t uid;
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PolkitSubject *subject;
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PolkitAuthorizationResult *result;
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GError *_error = NULL;
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/* Check that caller is privileged */
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sender = dbus_g_method_get_sender (context);
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dbus_error_init (&dbus_error);
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pk_caller = polkit_caller_new_from_dbus_name (
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dbus_g_connection_get_connection (fprintd_dbus_conn),
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sender,
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&dbus_error);
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if (pk_caller == NULL) {
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g_set_error (error, FPRINT_ERROR,
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FPRINT_ERROR_INTERNAL,
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"Error getting information about caller: %s: %s",
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dbus_error.name, dbus_error.message);
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dbus_error_free (&dbus_error);
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return FALSE;
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}
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subject = polkit_system_bus_name_new (sender);
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/* XXX Hack?
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* We'd like to allow root to set the username by default, so
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* it can authenticate users through PAM
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* https://bugzilla.redhat.com/show_bug.cgi?id=447266 */
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if ((polkit_caller_get_uid (pk_caller, &uid) && uid == 0) &&
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(g_str_equal (action, "net.reactivated.fprint.device.setusername") ||
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g_str_equal (action, "net.reactivated.fprint.device.verify"))) {
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polkit_caller_unref (pk_caller);
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return TRUE;
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}
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result = polkit_authority_check_authorization_sync (priv->auth,
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subject,
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action,
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NULL,
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POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION,
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NULL, &_error);
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g_object_unref (subject);
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pk_action = polkit_action_new ();
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polkit_action_set_action_id (pk_action, action);
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pk_result = polkit_context_is_caller_authorized (priv->pol_ctx, pk_action, pk_caller,
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TRUE, NULL);
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polkit_caller_unref (pk_caller);
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polkit_action_unref (pk_action);
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if (pk_result != POLKIT_RESULT_YES) {
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if (result == NULL) {
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g_set_error (error, FPRINT_ERROR,
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FPRINT_ERROR_PERMISSION_DENIED,
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"%s %s <-- (action, result)",
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action,
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polkit_result_to_string_representation (pk_result));
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dbus_error_free (&dbus_error);
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"Not Authorized: %s", _error->message);
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g_error_free (_error);
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return FALSE;
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}
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if (!polkit_authorization_result_get_is_authorized (result)) {
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g_set_error (error, FPRINT_ERROR,
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FPRINT_ERROR_PERMISSION_DENIED,
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"Not Authorized: %s", action);
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g_object_unref (result);
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return FALSE;
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}
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g_object_unref (result);
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return TRUE;
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}
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