diff options
Diffstat (limited to 'daemon/gdm-session-worker.c')
-rw-r--r-- | daemon/gdm-session-worker.c | 82 |
1 files changed, 80 insertions, 2 deletions
diff --git a/daemon/gdm-session-worker.c b/daemon/gdm-session-worker.c index aafc8880..a1e46366 100644 --- a/daemon/gdm-session-worker.c +++ b/daemon/gdm-session-worker.c @@ -188,6 +188,7 @@ static char gdm_pam_extension_environment_block[_POSIX_ARG_MAX]; static const char * const gdm_supported_pam_extensions[] = { + GDM_PAM_EXTENSION_CHOICE_LIST, NULL }; #endif @@ -536,6 +537,61 @@ gdm_session_worker_report_problem (GdmSessionWorker *worker, #ifdef SUPPORTS_PAM_EXTENSIONS static gboolean +gdm_session_worker_ask_list_of_choices (GdmSessionWorker *worker, + const char *prompt_message, + GdmChoiceList *list, + char **answerp) +{ + GVariantBuilder builder; + GVariant *choices_as_variant; + GError *error = NULL; + gboolean res; + size_t i; + + g_debug ("GdmSessionWorker: presenting user with list of choices:"); + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{ss}")); + + for (i = 0; i < list->number_of_items; i++) { + if (list->items[i].key == NULL) { + g_warning ("choice list contains item with NULL key"); + g_variant_builder_clear (&builder); + return FALSE; + } + g_debug ("GdmSessionWorker: choices['%s'] = \"%s\"", list->items[i].key, list->items[i].text); + g_variant_builder_add (&builder, "{ss}", list->items[i].key, list->items[i].text); + } + g_debug ("GdmSessionWorker: (and waiting for reply)"); + + choices_as_variant = g_variant_builder_end (&builder); + + res = gdm_dbus_worker_manager_call_choice_list_query_sync (worker->priv->manager, + worker->priv->service, + prompt_message, + choices_as_variant, + answerp, + NULL, + &error); + + if (! res) { + g_debug ("GdmSessionWorker: list request failed: %s", error->message); + g_clear_error (&error); + } else { + g_debug ("GdmSessionWorker: user selected '%s'", *answerp); + } + + return res; +} + +static gboolean +gdm_session_worker_process_choice_list_request (GdmSessionWorker *worker, + GdmPamExtensionChoiceListRequest *request, + GdmPamExtensionChoiceListResponse *response) +{ + return gdm_session_worker_ask_list_of_choices (worker, request->prompt_message, &request->list, &response->key); +} + +static gboolean gdm_session_worker_process_extended_pam_message (GdmSessionWorker *worker, const struct pam_message *query, char **response) @@ -555,8 +611,30 @@ gdm_session_worker_process_extended_pam_message (GdmSessionWorker *work return FALSE; } - g_debug ("GdmSessionWorker: received extended pam message of unknown type %u", (unsigned int) extended_message->type); - return FALSE; + if (GDM_PAM_EXTENSION_MESSAGE_MATCH (extended_message, worker->priv->extensions, GDM_PAM_EXTENSION_CHOICE_LIST)) { + GdmPamExtensionChoiceListRequest *list_request = (GdmPamExtensionChoiceListRequest *) extended_message; + GdmPamExtensionChoiceListResponse *list_response = malloc (GDM_PAM_EXTENSION_CHOICE_LIST_RESPONSE_SIZE); + + g_debug ("GdmSessionWorker: received extended pam message '%s'", GDM_PAM_EXTENSION_CHOICE_LIST); + + GDM_PAM_EXTENSION_CHOICE_LIST_RESPONSE_INIT (list_response); + + res = gdm_session_worker_process_choice_list_request (worker, list_request, list_response); + + if (! res) { + g_free (list_response); + return FALSE; + } + + *response = GDM_PAM_EXTENSION_MESSAGE_TO_PAM_REPLY (list_response); + return TRUE; + } else { + g_debug ("GdmSessionWorker: received extended pam message of unknown type %u", (unsigned int) extended_message->type); + return FALSE; + + } + + return TRUE; } #endif |