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-rw-r--r--cli/mmcli-modem-3gpp-ussd.c364
1 files changed, 364 insertions, 0 deletions
diff --git a/cli/mmcli-modem-3gpp-ussd.c b/cli/mmcli-modem-3gpp-ussd.c
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+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * mmcli -- Control modem status & access information from the command line
+ *
+ * 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/>.
+ *
+ * Copyright (C) 2011 - 2021 Aleksander Morgado <aleksander@aleksander.es>
+ * Copyright (C) 2012 - 2021 Google, Inc.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <string.h>
+
+#include <glib.h>
+#include <gio/gio.h>
+
+#define _LIBMM_INSIDE_MMCLI
+#include <libmm-glib.h>
+
+#include "mmcli.h"
+#include "mmcli-common.h"
+#include "mmcli-output.h"
+
+/* Context */
+typedef struct {
+ MMManager *manager;
+ GCancellable *cancellable;
+ MMObject *object;
+ MMModem3gppUssd *modem_3gpp_ussd;
+} Context;
+static Context *ctx;
+
+/* Options */
+static gboolean ussd_status_flag;
+static gchar *ussd_initiate_str;
+static gchar *ussd_respond_str;
+static gboolean ussd_cancel_flag;
+
+static GOptionEntry entries[] = {
+ { "3gpp-ussd-status", 0, 0, G_OPTION_ARG_NONE, &ussd_status_flag,
+ "Show status of any ongoing USSD session",
+ NULL
+ },
+ { "3gpp-ussd-initiate", 0, 0, G_OPTION_ARG_STRING, &ussd_initiate_str,
+ "Request a given modem to initiate a USSD session",
+ "[command]"
+ },
+ { "3gpp-ussd-respond", 0, 0, G_OPTION_ARG_STRING, &ussd_respond_str,
+ "Request a given modem to respond to a USSD request",
+ "[response]"
+ },
+ { "3gpp-ussd-cancel", 0, 0, G_OPTION_ARG_NONE, &ussd_cancel_flag,
+ "Request to cancel any ongoing USSD session",
+ NULL
+ },
+ { NULL }
+};
+
+GOptionGroup *
+mmcli_modem_3gpp_ussd_get_option_group (void)
+{
+ GOptionGroup *group;
+
+ group = g_option_group_new ("3gpp-ussd",
+ "3GPP USSD options:",
+ "Show 3GPP USSD related options",
+ NULL,
+ NULL);
+ g_option_group_add_entries (group, entries);
+
+ return group;
+}
+
+gboolean
+mmcli_modem_3gpp_ussd_options_enabled (void)
+{
+ static guint n_actions = 0;
+ static gboolean checked = FALSE;
+
+ if (checked)
+ return !!n_actions;
+
+ n_actions = (ussd_status_flag +
+ !!ussd_initiate_str +
+ !!ussd_respond_str +
+ ussd_cancel_flag);
+
+ if (n_actions > 1) {
+ g_printerr ("error: too many 3GPP USSD actions requested\n");
+ exit (EXIT_FAILURE);
+ }
+
+ /* USSD initiate and respond will wait for URCs to get finished, so
+ * these are truly async. */
+ if (ussd_initiate_str || ussd_respond_str)
+ mmcli_force_async_operation ();
+
+ if (ussd_status_flag)
+ mmcli_force_sync_operation ();
+
+ checked = TRUE;
+ return !!n_actions;
+}
+
+static void
+context_free (void)
+{
+ if (!ctx)
+ return;
+
+ if (ctx->cancellable)
+ g_object_unref (ctx->cancellable);
+ if (ctx->modem_3gpp_ussd)
+ g_object_unref (ctx->modem_3gpp_ussd);
+ if (ctx->object)
+ g_object_unref (ctx->object);
+ if (ctx->manager)
+ g_object_unref (ctx->manager);
+ g_free (ctx);
+}
+
+static void
+ensure_modem_3gpp_ussd (void)
+{
+ if (mm_modem_get_state (mm_object_peek_modem (ctx->object)) < MM_MODEM_STATE_ENABLED) {
+ g_printerr ("error: modem not enabled yet\n");
+ exit (EXIT_FAILURE);
+ }
+
+ if (!ctx->modem_3gpp_ussd) {
+ g_printerr ("error: modem has no 3GPP USSD capabilities\n");
+ exit (EXIT_FAILURE);
+ }
+
+ /* Success */
+}
+
+void
+mmcli_modem_3gpp_ussd_shutdown (void)
+{
+ context_free ();
+}
+
+static void
+print_ussd_status (void)
+{
+ mmcli_output_string (MMC_F_GENERAL_DBUS_PATH, mm_modem_3gpp_ussd_get_path (ctx->modem_3gpp_ussd));
+ mmcli_output_string (MMC_F_3GPP_USSD_STATUS, mm_modem_3gpp_ussd_session_state_get_string (
+ mm_modem_3gpp_ussd_get_state (ctx->modem_3gpp_ussd)));
+ mmcli_output_string (MMC_F_3GPP_USSD_NETWORK_REQUEST, mm_modem_3gpp_ussd_get_network_request (ctx->modem_3gpp_ussd));
+ mmcli_output_string (MMC_F_3GPP_USSD_NETWORK_NOTIFICATION, mm_modem_3gpp_ussd_get_network_notification (ctx->modem_3gpp_ussd));
+ mmcli_output_dump ();
+}
+
+static void
+ussd_initiate_process_reply (gchar *result,
+ const GError *error)
+{
+ if (!result) {
+ g_printerr ("error: couldn't initiate USSD session: '%s'\n",
+ error ? error->message : "unknown error");
+ exit (EXIT_FAILURE);
+ }
+
+ g_print ("USSD session initiated; "
+ "new reply from network: '%s'\n", result);
+ g_free (result);
+}
+
+static void
+ussd_initiate_ready (MMModem3gppUssd *modem_3gpp_ussd,
+ GAsyncResult *result)
+{
+ gchar *operation_result;
+ GError *error = NULL;
+
+ operation_result = mm_modem_3gpp_ussd_initiate_finish (modem_3gpp_ussd, result, &error);
+ ussd_initiate_process_reply (operation_result, error);
+
+ mmcli_async_operation_done ();
+}
+
+static void
+ussd_respond_process_reply (gchar *result,
+ const GError *error)
+{
+ if (!result) {
+ g_printerr ("error: couldn't send response in USSD session: '%s'\n",
+ error ? error->message : "unknown error");
+ exit (EXIT_FAILURE);
+ }
+
+ g_print ("response successfully sent in USSD session; "
+ "new reply from network: '%s'\n", result);
+ g_free (result);
+}
+
+static void
+ussd_respond_ready (MMModem3gppUssd *modem_3gpp_ussd,
+ GAsyncResult *result)
+{
+ gchar *operation_result;
+ GError *error = NULL;
+
+ operation_result = mm_modem_3gpp_ussd_respond_finish (modem_3gpp_ussd, result, &error);
+ ussd_respond_process_reply (operation_result, error);
+
+ mmcli_async_operation_done ();
+}
+
+static void
+ussd_cancel_process_reply (gboolean result,
+ const GError *error)
+{
+ if (!result) {
+ g_printerr ("error: couldn't cancel USSD session: '%s'\n",
+ error ? error->message : "unknown error");
+ exit (EXIT_FAILURE);
+ }
+
+ g_print ("successfully cancelled USSD session\n");
+}
+
+static void
+ussd_cancel_ready (MMModem3gppUssd *modem_3gpp_ussd,
+ GAsyncResult *result)
+{
+ gboolean operation_result;
+ GError *error = NULL;
+
+ operation_result = mm_modem_3gpp_ussd_cancel_finish (modem_3gpp_ussd, result, &error);
+ ussd_cancel_process_reply (operation_result, error);
+
+ mmcli_async_operation_done ();
+}
+
+static void
+get_modem_ready (GObject *source,
+ GAsyncResult *result,
+ gpointer none)
+{
+ ctx->object = mmcli_get_modem_finish (result, &ctx->manager);
+ ctx->modem_3gpp_ussd = mm_object_get_modem_3gpp_ussd (ctx->object);
+
+ /* Setup operation timeout */
+ if (ctx->modem_3gpp_ussd)
+ mmcli_force_operation_timeout (G_DBUS_PROXY (ctx->modem_3gpp_ussd));
+
+ ensure_modem_3gpp_ussd ();
+
+ if (ussd_status_flag)
+ g_assert_not_reached ();
+
+ /* Request to initiate USSD session? */
+ if (ussd_initiate_str) {
+ g_debug ("Asynchronously initiating USSD session...");
+ mm_modem_3gpp_ussd_initiate (ctx->modem_3gpp_ussd,
+ ussd_initiate_str,
+ ctx->cancellable,
+ (GAsyncReadyCallback)ussd_initiate_ready,
+ NULL);
+ return;
+ }
+
+ /* Request to respond in USSD session? */
+ if (ussd_respond_str) {
+ g_debug ("Asynchronously sending response in USSD session...");
+ mm_modem_3gpp_ussd_respond (ctx->modem_3gpp_ussd,
+ ussd_respond_str,
+ ctx->cancellable,
+ (GAsyncReadyCallback)ussd_respond_ready,
+ NULL);
+ return;
+ }
+
+ /* Request to cancel USSD session? */
+ if (ussd_cancel_flag) {
+ g_debug ("Asynchronously cancelling USSD session...");
+ mm_modem_3gpp_ussd_cancel (ctx->modem_3gpp_ussd,
+ ctx->cancellable,
+ (GAsyncReadyCallback)ussd_cancel_ready,
+ NULL);
+ return;
+ }
+
+ g_warn_if_reached ();
+}
+
+void
+mmcli_modem_3gpp_ussd_run_asynchronous (GDBusConnection *connection,
+ GCancellable *cancellable)
+{
+ /* Initialize context */
+ ctx = g_new0 (Context, 1);
+ if (cancellable)
+ ctx->cancellable = g_object_ref (cancellable);
+
+ /* Get proper modem */
+ mmcli_get_modem (connection,
+ mmcli_get_common_modem_string (),
+ cancellable,
+ (GAsyncReadyCallback)get_modem_ready,
+ NULL);
+}
+
+void
+mmcli_modem_3gpp_ussd_run_synchronous (GDBusConnection *connection)
+{
+ GError *error = NULL;
+
+ /* Initialize context */
+ ctx = g_new0 (Context, 1);
+ ctx->object = mmcli_get_modem_sync (connection,
+ mmcli_get_common_modem_string (),
+ &ctx->manager);
+ ctx->modem_3gpp_ussd = mm_object_get_modem_3gpp_ussd (ctx->object);
+
+ /* Setup operation timeout */
+ if (ctx->modem_3gpp_ussd)
+ mmcli_force_operation_timeout (G_DBUS_PROXY (ctx->modem_3gpp_ussd));
+
+ ensure_modem_3gpp_ussd ();
+
+ if (ussd_initiate_str)
+ g_assert_not_reached ();
+ if (ussd_respond_str)
+ g_assert_not_reached ();
+
+ /* Request to show USSD status? */
+ if (ussd_status_flag) {
+ g_debug ("Printing USSD status...");
+ print_ussd_status ();
+ return;
+ }
+
+ /* Request to cancel USSD session? */
+ if (ussd_cancel_flag) {
+ gboolean result;
+
+ g_debug ("Asynchronously cancelling USSD session...");
+ result = mm_modem_3gpp_ussd_cancel_sync (ctx->modem_3gpp_ussd,
+ NULL,
+ &error);
+ ussd_cancel_process_reply (result, error);
+ return;
+ }
+
+ g_warn_if_reached ();
+}
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