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-rw-r--r--panels/user-accounts/cc-realm-manager.c788
1 files changed, 788 insertions, 0 deletions
diff --git a/panels/user-accounts/cc-realm-manager.c b/panels/user-accounts/cc-realm-manager.c
new file mode 100644
index 0000000..bc43e6d
--- /dev/null
+++ b/panels/user-accounts/cc-realm-manager.c
@@ -0,0 +1,788 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2009-2012 Red Hat, Inc.
+ *
+ * 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 General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Written by: Stef Walter <stefw@gnome.org>
+ */
+
+#include "config.h"
+
+#include "cc-realm-manager.h"
+
+#include <krb5/krb5.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
+
+
+struct _CcRealmManager {
+ CcRealmObjectManagerClient parent_instance;
+
+ CcRealmProvider *provider;
+ guint diagnostics_sig;
+};
+
+enum {
+ REALM_ADDED,
+ NUM_SIGNALS,
+};
+
+static gint signals[NUM_SIGNALS] = { 0, };
+
+G_DEFINE_TYPE (CcRealmManager, cc_realm_manager, CC_REALM_TYPE_OBJECT_MANAGER_CLIENT);
+
+GQuark
+cc_realm_error_get_quark (void)
+{
+ static GQuark quark = 0;
+ if (quark == 0)
+ quark = g_quark_from_static_string ("cc-realm-error");
+ return quark;
+}
+
+static gboolean
+is_realm_with_kerberos_and_membership (gpointer object)
+{
+ g_autoptr(GDBusInterface) kerberos_interface = NULL;
+ g_autoptr(GDBusInterface) kerberos_membership_interface = NULL;
+
+ if (!G_IS_DBUS_OBJECT (object))
+ return FALSE;
+
+ kerberos_interface = g_dbus_object_get_interface (object, "org.freedesktop.realmd.Kerberos");
+ if (kerberos_interface == NULL)
+ return FALSE;
+
+ kerberos_membership_interface = g_dbus_object_get_interface (object, "org.freedesktop.realmd.KerberosMembership");
+ if (kerberos_membership_interface == NULL)
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+on_interface_added (CcRealmManager *self,
+ GDBusObject *object,
+ GDBusInterface *interface)
+{
+ g_dbus_proxy_set_default_timeout (G_DBUS_PROXY (interface), G_MAXINT);
+}
+
+static void
+on_object_added (CcRealmManager *self,
+ GDBusObject *object)
+{
+ GList *interfaces, *l;
+
+ interfaces = g_dbus_object_get_interfaces (object);
+ for (l = interfaces; l != NULL; l = g_list_next (l))
+ on_interface_added (self, object, l->data);
+ g_list_free_full (interfaces, g_object_unref);
+
+ if (is_realm_with_kerberos_and_membership (object)) {
+ g_debug ("Saw realm: %s", g_dbus_object_get_object_path (object));
+ g_signal_emit (self, signals[REALM_ADDED], 0, object);
+ }
+}
+
+static void
+cc_realm_manager_init (CcRealmManager *self)
+{
+ g_signal_connect (self, "object-added", G_CALLBACK (on_object_added), NULL);
+ g_signal_connect (self, "interface-added", G_CALLBACK (on_interface_added), NULL);
+}
+
+static void
+cc_realm_manager_dispose (GObject *obj)
+{
+ CcRealmManager *self = CC_REALM_MANAGER (obj);
+ GDBusConnection *connection;
+
+ g_clear_object (&self->provider);
+
+ if (self->diagnostics_sig) {
+ connection = g_dbus_object_manager_client_get_connection (G_DBUS_OBJECT_MANAGER_CLIENT (self));
+ if (connection != NULL)
+ g_dbus_connection_signal_unsubscribe (connection, self->diagnostics_sig);
+ self->diagnostics_sig = 0;
+ }
+
+ G_OBJECT_CLASS (cc_realm_manager_parent_class)->dispose (obj);
+}
+
+static void
+cc_realm_manager_class_init (CcRealmManagerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->dispose = cc_realm_manager_dispose;
+
+ signals[REALM_ADDED] = g_signal_new ("realm-added", CC_TYPE_REALM_MANAGER,
+ G_SIGNAL_RUN_FIRST, 0, NULL, NULL,
+ g_cclosure_marshal_generic,
+ G_TYPE_NONE, 1, CC_REALM_TYPE_OBJECT);
+}
+
+static void
+on_realm_diagnostics (GDBusConnection *connection,
+ const gchar *sender_name,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ const gchar *message;
+ const gchar *unused;
+
+ if (g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(ss)"))) {
+ /* Data is already formatted appropriately for stderr */
+ g_variant_get (parameters, "(&s&s)", &message, &unused);
+ g_printerr ("%s", message);
+ }
+}
+
+static void
+on_provider_new (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = G_TASK (user_data);
+ CcRealmManager *manager = g_task_get_task_data (task);
+ GError *error = NULL;
+
+ manager->provider = cc_realm_provider_proxy_new_finish (result, &error);
+ if (error == NULL) {
+ g_dbus_proxy_set_default_timeout (G_DBUS_PROXY (manager->provider), -1);
+ g_debug ("Created realm manager");
+ g_task_return_pointer (task, g_object_ref (manager), g_object_unref);
+ } else {
+ g_task_return_error (task, error);
+ }
+}
+
+static void
+on_manager_new (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = G_TASK (user_data);
+ CcRealmManager *manager;
+ GDBusConnection *connection;
+ GError *error = NULL;
+ GObject *object;
+ guint sig;
+
+ object = g_async_initable_new_finish (G_ASYNC_INITABLE (source), result, &error);
+ if (error == NULL) {
+ manager = CC_REALM_MANAGER (object);
+ connection = g_dbus_object_manager_client_get_connection (G_DBUS_OBJECT_MANAGER_CLIENT (object));
+
+ g_debug ("Connected to realmd");
+
+ sig = g_dbus_connection_signal_subscribe (connection,
+ "org.freedesktop.realmd",
+ "org.freedesktop.realmd.Service",
+ "Diagnostics",
+ NULL,
+ NULL,
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ on_realm_diagnostics,
+ NULL,
+ NULL);
+ manager->diagnostics_sig = sig;
+
+ g_task_set_task_data (task, manager, g_object_unref);
+
+ cc_realm_provider_proxy_new (connection,
+ G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
+ "org.freedesktop.realmd",
+ "/org/freedesktop/realmd",
+ g_task_get_cancellable (task),
+ on_provider_new, task);
+ g_steal_pointer (&task);
+ } else {
+ g_task_return_error (task, error);
+ }
+}
+
+void
+cc_realm_manager_new (GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+
+ g_debug ("Connecting to realmd...");
+
+ task = g_task_new (NULL, cancellable, callback, user_data);
+ g_task_set_source_tag (task, cc_realm_manager_new);
+
+ g_async_initable_new_async (CC_TYPE_REALM_MANAGER, G_PRIORITY_DEFAULT,
+ cancellable, on_manager_new, task,
+ "flags", G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE,
+ "name", "org.freedesktop.realmd",
+ "bus-type", G_BUS_TYPE_SYSTEM,
+ "object-path", "/org/freedesktop/realmd",
+ "get-proxy-type-func", cc_realm_object_manager_client_get_proxy_type,
+ NULL);
+}
+
+CcRealmManager *
+cc_realm_manager_new_finish (GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, NULL), NULL);
+ g_return_val_if_fail (g_async_result_is_tagged (result, cc_realm_manager_new), NULL);
+
+ return g_task_propagate_pointer (G_TASK (result), error);
+}
+
+static void
+realms_free (gpointer data)
+{
+ g_list_free_full (data, g_object_unref);
+}
+
+static void
+on_provider_discover (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ g_autoptr(GTask) task = G_TASK (user_data);
+ CcRealmManager *manager = g_task_get_source_object (task);
+ GError *error = NULL;
+ gboolean no_membership = FALSE;
+ gchar **realms;
+ gint relevance;
+ gint i;
+ GList *kerberos_realms = NULL;
+
+ cc_realm_provider_call_discover_finish (CC_REALM_PROVIDER (source), &relevance,
+ &realms, result, &error);
+ if (error == NULL) {
+ for (i = 0; realms[i]; i++) {
+ g_autoptr(GDBusObject) object = NULL;
+
+ object = g_dbus_object_manager_get_object (G_DBUS_OBJECT_MANAGER (manager), realms[i]);
+ if (object == NULL) {
+ g_warning ("Realm is not in object manager: %s", realms[i]);
+ } else {
+ if (is_realm_with_kerberos_and_membership (object)) {
+ g_debug ("Discovered realm: %s", realms[i]);
+ kerberos_realms = g_list_prepend (kerberos_realms, g_steal_pointer (&object));
+ } else {
+ g_debug ("Realm does not support kerberos membership: %s", realms[i]);
+ no_membership = TRUE;
+ }
+ }
+ }
+ g_strfreev (realms);
+
+ if (!kerberos_realms && no_membership) {
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_GENERIC,
+ _("Cannot automatically join this type of domain"));
+ } else if (!kerberos_realms) {
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_GENERIC,
+ _("No such domain or realm found"));
+ } else {
+ kerberos_realms = g_list_reverse (kerberos_realms);
+ g_task_return_pointer (task, kerberos_realms, realms_free);
+ }
+ } else {
+ g_task_return_error (task, error);
+ }
+}
+
+void
+cc_realm_manager_discover (CcRealmManager *self,
+ const gchar *input,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+ GVariant *options;
+
+ g_return_if_fail (CC_IS_REALM_MANAGER (self));
+ g_return_if_fail (input != NULL);
+ g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
+
+ g_debug ("Discovering realms for: %s", input);
+
+ task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
+ g_task_set_source_tag (task, cc_realm_manager_discover);
+
+ options = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), NULL, 0);
+
+ cc_realm_provider_call_discover (self->provider, input, options, cancellable,
+ on_provider_discover, task);
+}
+
+GList *
+cc_realm_manager_discover_finish (CcRealmManager *self,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (CC_IS_REALM_MANAGER (self), NULL);
+ g_return_val_if_fail (g_task_is_valid (result, G_OBJECT (self)), NULL);
+ g_return_val_if_fail (g_async_result_is_tagged (result, cc_realm_manager_discover), NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ return g_task_propagate_pointer (G_TASK (result), error);
+}
+
+GList *
+cc_realm_manager_get_realms (CcRealmManager *self)
+{
+ GList *objects;
+ GList *realms = NULL;
+ GList *l;
+
+ g_return_val_if_fail (CC_IS_REALM_MANAGER (self), NULL);
+
+ objects = g_dbus_object_manager_get_objects (G_DBUS_OBJECT_MANAGER (self));
+ for (l = objects; l != NULL; l = g_list_next (l)) {
+ if (is_realm_with_kerberos_and_membership (l->data))
+ realms = g_list_prepend (realms, g_object_ref (l->data));
+ }
+
+ g_list_free_full (objects, g_object_unref);
+ return realms;
+}
+
+static void
+string_replace (GString *string,
+ const gchar *find,
+ const gchar *replace)
+{
+ const gchar *at;
+ gssize pos;
+
+ at = strstr (string->str, find);
+ if (at != NULL) {
+ pos = at - string->str;
+ g_string_erase (string, pos, strlen (find));
+ g_string_insert (string, pos, replace);
+ }
+}
+
+gchar *
+cc_realm_calculate_login (CcRealmCommon *realm,
+ const gchar *username)
+{
+ const gchar *const *formats;
+
+ formats = cc_realm_common_get_login_formats (realm);
+ if (formats[0] != NULL) {
+ GString *string = g_string_new (formats[0]);
+ string_replace (string, "%U", username);
+ string_replace (string, "%D", cc_realm_common_get_name (realm));
+ return g_string_free (string, FALSE);
+ }
+
+ return NULL;
+}
+
+gboolean
+cc_realm_is_configured (CcRealmObject *realm)
+{
+ g_autoptr(CcRealmCommon) common = NULL;
+ const gchar *configured;
+ gboolean is = FALSE;
+
+ common = cc_realm_object_get_common (realm);
+ if (common != NULL) {
+ configured = cc_realm_common_get_configured (common);
+ is = configured != NULL && !g_str_equal (configured, "");
+ }
+
+ return is;
+}
+
+static const gchar *
+find_supported_credentials (CcRealmKerberosMembership *membership,
+ const gchar *owner)
+{
+ const gchar *cred_owner;
+ const gchar *cred_type;
+ GVariant *supported;
+ GVariantIter iter;
+
+ supported = cc_realm_kerberos_membership_get_supported_join_credentials (membership);
+ g_return_val_if_fail (supported != NULL, NULL);
+
+ g_variant_iter_init (&iter, supported);
+ while (g_variant_iter_loop (&iter, "(&s&s)", &cred_type, &cred_owner)) {
+ if (g_str_equal (owner, cred_owner)) {
+ if (g_str_equal (cred_type, "ccache") ||
+ g_str_equal (cred_type, "password")) {
+ return g_intern_string (cred_type);
+ }
+ }
+ }
+
+ return NULL;
+}
+
+static gboolean
+realm_join_as_owner (CcRealmObject *realm,
+ const gchar *owner,
+ const gchar *login,
+ const gchar *password,
+ GBytes *credentials,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_autoptr(CcRealmKerberosMembership) membership = NULL;
+ GVariant *contents;
+ GVariant *options;
+ GVariant *option;
+ GVariant *creds;
+ const gchar *type;
+
+ membership = cc_realm_object_get_kerberos_membership (realm);
+ g_return_val_if_fail (membership != NULL, FALSE);
+
+ type = find_supported_credentials (membership, owner);
+ if (type == NULL) {
+ g_debug ("Couldn't find supported credential type for owner: %s", owner);
+ return FALSE;
+ }
+
+ if (g_str_equal (type, "ccache")) {
+ g_debug ("Using a kerberos credential cache to join the realm");
+ contents = g_variant_new_from_data (G_VARIANT_TYPE ("ay"),
+ g_bytes_get_data (credentials, NULL),
+ g_bytes_get_size (credentials),
+ TRUE, (GDestroyNotify)g_bytes_unref, credentials);
+
+ } else if (g_str_equal (type, "password")) {
+ g_debug ("Using a user/password to join the realm");
+ contents = g_variant_new ("(ss)", login, password);
+
+ } else {
+ g_assert_not_reached ();
+ }
+
+ creds = g_variant_new ("(ssv)", type, owner, contents);
+ option = g_variant_new ("{sv}", "manage-system", g_variant_new_boolean (FALSE));
+ options = g_variant_new_array (G_VARIANT_TYPE ("{sv}"), &option, 1);
+
+ g_debug ("Calling the Join() method with %s credentials", owner);
+
+ cc_realm_kerberos_membership_call_join (membership, creds, options,
+ cancellable, callback, user_data);
+
+ return TRUE;
+}
+
+gboolean
+cc_realm_join_as_user (CcRealmObject *realm,
+ const gchar *login,
+ const gchar *password,
+ GBytes *credentials,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_return_val_if_fail (CC_REALM_IS_OBJECT (realm), FALSE);
+ g_return_val_if_fail (credentials != NULL, FALSE);
+ g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
+ g_return_val_if_fail (login != NULL, FALSE);
+ g_return_val_if_fail (password != NULL, FALSE);
+ g_return_val_if_fail (credentials != NULL, FALSE);
+
+ return realm_join_as_owner (realm, "user", login, password,
+ credentials, cancellable, callback, user_data);
+}
+
+gboolean
+cc_realm_join_as_admin (CcRealmObject *realm,
+ const gchar *login,
+ const gchar *password,
+ GBytes *credentials,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ g_return_val_if_fail (CC_REALM_IS_OBJECT (realm), FALSE);
+ g_return_val_if_fail (credentials != NULL, FALSE);
+ g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
+ g_return_val_if_fail (login != NULL, FALSE);
+ g_return_val_if_fail (password != NULL, FALSE);
+ g_return_val_if_fail (credentials != NULL, FALSE);
+
+ return realm_join_as_owner (realm, "administrator", login, password, credentials,
+ cancellable, callback, user_data);
+}
+
+gboolean
+cc_realm_join_finish (CcRealmObject *realm,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_autoptr(CcRealmKerberosMembership) membership = NULL;
+ g_autoptr(GError) call_error = NULL;
+ g_autofree gchar *dbus_error = NULL;
+
+ g_return_val_if_fail (CC_REALM_IS_OBJECT (realm), FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ membership = cc_realm_object_get_kerberos_membership (realm);
+ g_return_val_if_fail (membership != NULL, FALSE);
+
+ if (cc_realm_kerberos_membership_call_join_finish (membership, result, &call_error)) {
+ g_debug ("Completed Join() method call");
+ return TRUE;
+ }
+
+ dbus_error = g_dbus_error_get_remote_error (call_error);
+ if (dbus_error == NULL) {
+ g_debug ("Join() failed because of %s", call_error->message);
+ g_propagate_error (error, g_steal_pointer (&call_error));
+ return FALSE;
+ }
+
+ g_dbus_error_strip_remote_error (call_error);
+
+ if (g_str_equal (dbus_error, "org.freedesktop.realmd.Error.AuthenticationFailed")) {
+ g_debug ("Join() failed because of invalid/insufficient credentials");
+ g_set_error (error, CC_REALM_ERROR, CC_REALM_ERROR_BAD_LOGIN,
+ "%s", call_error->message);
+ } else {
+ g_debug ("Join() failed because of %s", call_error->message);
+ g_propagate_error (error, g_steal_pointer (&call_error));
+ }
+
+ return FALSE;
+}
+
+typedef struct {
+ gchar *domain;
+ gchar *realm;
+ gchar *user;
+ gchar *password;
+} LoginClosure;
+
+static void
+login_closure_free (gpointer data)
+{
+ LoginClosure *login = data;
+ g_clear_pointer (&login->domain, g_free);
+ g_clear_pointer (&login->realm, g_free);
+ g_clear_pointer (&login->user, g_free);
+ g_clear_pointer (&login->password, g_free);
+ g_slice_free (LoginClosure, login);
+}
+
+static krb5_error_code
+login_perform_kinit (krb5_context k5,
+ const gchar *realm,
+ const gchar *login,
+ const gchar *password,
+ const gchar *filename)
+{
+ krb5_get_init_creds_opt *opts;
+ krb5_error_code code;
+ krb5_principal principal;
+ krb5_ccache ccache;
+ krb5_creds creds;
+ g_autofree gchar *name = NULL;
+
+ name = g_strdup_printf ("%s@%s", login, realm);
+ code = krb5_parse_name (k5, name, &principal);
+
+ if (code != 0) {
+ g_debug ("Couldn't parse principal name: %s: %s",
+ name, krb5_get_error_message (k5, code));
+ return code;
+ }
+
+ g_debug ("Using principal name to kinit: %s", name);
+
+ if (filename == NULL)
+ code = krb5_cc_default (k5, &ccache);
+ else
+ code = krb5_cc_resolve (k5, filename, &ccache);
+
+ if (code != 0) {
+ krb5_free_principal (k5, principal);
+ g_debug ("Couldn't open credential cache: %s: %s",
+ filename ? filename : "<default>",
+ krb5_get_error_message (k5, code));
+ return code;
+ }
+
+ code = krb5_get_init_creds_opt_alloc (k5, &opts);
+ g_return_val_if_fail (code == 0, code);
+
+ code = krb5_get_init_creds_opt_set_out_ccache (k5, opts, ccache);
+ g_return_val_if_fail (code == 0, code);
+
+ code = krb5_get_init_creds_password (k5, &creds, principal,
+ (char *)password,
+ NULL, 0, 0, NULL, opts);
+
+ krb5_get_init_creds_opt_free (k5, opts);
+ krb5_cc_close (k5, ccache);
+ krb5_free_principal (k5, principal);
+
+ if (code == 0) {
+ g_debug ("kinit succeeded");
+ krb5_free_cred_contents (k5, &creds);
+ } else {
+ g_debug ("kinit failed: %s", krb5_get_error_message (k5, code));
+ }
+
+ return code;
+}
+
+static void
+kinit_thread_func (GTask *t,
+ gpointer object,
+ gpointer task_data,
+ GCancellable *cancellable)
+{
+ g_autoptr(GTask) task = t;
+ LoginClosure *login = task_data;
+ krb5_context k5 = NULL;
+ krb5_error_code code;
+ g_autofree gchar *filename = NULL;
+ gchar *contents;
+ gsize length;
+ gint temp_fd;
+
+ filename = g_build_filename (g_get_user_runtime_dir (),
+ "um-krb5-creds.XXXXXX", NULL);
+ temp_fd = g_mkstemp_full (filename, O_RDWR, S_IRUSR | S_IWUSR);
+ if (temp_fd == -1) {
+ g_warning ("Couldn't create credential cache file: %s: %s",
+ filename, g_strerror (errno));
+ g_clear_pointer (&filename, g_free);
+ } else {
+ close (temp_fd);
+ }
+
+ code = krb5_init_context (&k5);
+ if (code == 0) {
+ code = login_perform_kinit (k5, login->realm, login->user,
+ login->password, filename);
+ }
+
+ switch (code) {
+ case 0:
+ if (filename != NULL) {
+ g_autoptr(GError) error = NULL;
+
+ if (g_file_get_contents (filename, &contents, &length, &error)) {
+ g_debug ("Read in credential cache: %s", filename);
+ } else {
+ g_warning ("Couldn't read credential cache: %s: %s",
+ filename, error->message);
+ }
+
+ g_task_return_pointer (task, g_bytes_new_take (contents, length), (GDestroyNotify) g_bytes_unref);
+ }
+ break;
+
+ case KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN:
+ case KRB5KDC_ERR_POLICY:
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_BAD_LOGIN,
+ _("Cannot log in as %s at the %s domain"),
+ login->user, login->domain);
+ break;
+ case KRB5KDC_ERR_PREAUTH_FAILED:
+ case KRB5KRB_AP_ERR_BAD_INTEGRITY:
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_BAD_PASSWORD,
+ _("Invalid password, please try again"));
+ break;
+ case KRB5_PREAUTH_FAILED:
+ case KRB5KDC_ERR_KEY_EXP:
+ case KRB5KDC_ERR_CLIENT_REVOKED:
+ case KRB5KDC_ERR_ETYPE_NOSUPP:
+ case KRB5_PROG_ETYPE_NOSUPP:
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_CANNOT_AUTH,
+ _("Cannot log in as %s at the %s domain"),
+ login->user, login->domain);
+ break;
+ default:
+ g_task_return_new_error (task, CC_REALM_ERROR, CC_REALM_ERROR_GENERIC,
+ _("Couldn’t connect to the %s domain: %s"),
+ login->domain, krb5_get_error_message (k5, code));
+ break;
+ }
+
+ if (filename) {
+ g_unlink (filename);
+ g_debug ("Deleted credential cache: %s", filename);
+ }
+
+ if (k5)
+ krb5_free_context (k5);
+}
+
+void
+cc_realm_login (CcRealmObject *realm,
+ const gchar *user,
+ const gchar *password,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+ LoginClosure *login;
+ g_autoptr(CcRealmKerberos) kerberos = NULL;
+
+ g_return_if_fail (CC_REALM_IS_OBJECT (realm));
+ g_return_if_fail (user != NULL);
+ g_return_if_fail (password != NULL);
+ g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
+
+ kerberos = cc_realm_object_get_kerberos (realm);
+ g_return_if_fail (kerberos != NULL);
+
+ task = g_task_new (NULL, cancellable, callback, user_data);
+ g_task_set_source_tag (task, cc_realm_login);
+
+ login = g_slice_new0 (LoginClosure);
+ login->domain = g_strdup (cc_realm_kerberos_get_domain_name (kerberos));
+ login->realm = g_strdup (cc_realm_kerberos_get_realm_name (kerberos));
+ login->user = g_strdup (user);
+ login->password = g_strdup (password);
+ g_task_set_task_data (task, login, login_closure_free);
+
+ g_task_set_return_on_cancel (task, TRUE);
+ g_task_run_in_thread (task, kinit_thread_func);
+}
+
+GBytes *
+cc_realm_login_finish (GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, NULL), FALSE);
+ g_return_val_if_fail (g_async_result_is_tagged (result, cc_realm_login), FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ return g_task_propagate_pointer (G_TASK (result), error);
+}