mirror of git://git.sysmocom.de/ofono
956 lines
22 KiB
C
956 lines
22 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <glib.h>
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#include <gdbus.h>
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#include "ofono.h"
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#include "common.h"
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#include "smsutil.h"
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#include "util.h"
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#define MAX_USSD_LENGTH 160
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static GSList *g_drivers = NULL;
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enum ussd_state {
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USSD_STATE_IDLE = 0,
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USSD_STATE_ACTIVE = 1,
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USSD_STATE_USER_ACTION = 2,
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USSD_STATE_RESPONSE_SENT,
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};
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struct ussd_request {
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ofono_ussd_request_cb_t cb;
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void *user_data;
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};
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struct ofono_ussd {
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int state;
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DBusMessage *pending;
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DBusMessage *cancel;
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int flags;
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GSList *ss_control_list;
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GSList *ss_passwd_list;
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const struct ofono_ussd_driver *driver;
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void *driver_data;
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struct ofono_atom *atom;
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struct ussd_request *req;
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};
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struct ssc_entry {
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char *service;
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void *cb;
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void *user;
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ofono_destroy_func destroy;
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};
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gboolean __ofono_ussd_is_busy(struct ofono_ussd *ussd)
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{
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if (ussd == NULL)
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return FALSE;
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if (ussd->pending || ussd->state != USSD_STATE_IDLE || ussd->req)
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return TRUE;
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return FALSE;
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}
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static struct ssc_entry *ssc_entry_create(const char *sc, void *cb, void *data,
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ofono_destroy_func destroy)
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{
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struct ssc_entry *r;
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r = g_try_new0(struct ssc_entry, 1);
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if (r == NULL)
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return r;
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r->service = g_strdup(sc);
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r->cb = cb;
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r->user = data;
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r->destroy = destroy;
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return r;
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}
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static void ssc_entry_destroy(gpointer pointer)
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{
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struct ssc_entry *ca = pointer;
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if (ca->destroy)
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ca->destroy(ca->user);
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g_free(ca->service);
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g_free(ca);
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}
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static gint ssc_entry_find_by_service(gconstpointer a, gconstpointer b)
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{
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const struct ssc_entry *ca = a;
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return strcmp(ca->service, b);
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}
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gboolean __ofono_ussd_ssc_register(struct ofono_ussd *ussd, const char *sc,
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ofono_ussd_ssc_cb_t cb, void *data,
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ofono_destroy_func destroy)
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{
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struct ssc_entry *entry;
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if (ussd == NULL)
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return FALSE;
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entry = ssc_entry_create(sc, cb, data, destroy);
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if (entry == NULL)
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return FALSE;
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ussd->ss_control_list = g_slist_prepend(ussd->ss_control_list, entry);
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return TRUE;
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}
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void __ofono_ussd_ssc_unregister(struct ofono_ussd *ussd, const char *sc)
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{
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GSList *l;
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if (ussd == NULL)
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return;
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l = g_slist_find_custom(ussd->ss_control_list, sc,
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ssc_entry_find_by_service);
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if (l == NULL)
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return;
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ssc_entry_destroy(l->data);
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ussd->ss_control_list = g_slist_remove(ussd->ss_control_list, l->data);
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}
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gboolean __ofono_ussd_passwd_register(struct ofono_ussd *ussd, const char *sc,
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ofono_ussd_passwd_cb_t cb, void *data,
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ofono_destroy_func destroy)
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{
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struct ssc_entry *entry;
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if (ussd == NULL)
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return FALSE;
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entry = ssc_entry_create(sc, cb, data, destroy);
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if (entry == NULL)
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return FALSE;
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ussd->ss_passwd_list = g_slist_prepend(ussd->ss_passwd_list, entry);
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return TRUE;
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}
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void __ofono_ussd_passwd_unregister(struct ofono_ussd *ussd, const char *sc)
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{
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GSList *l;
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if (ussd == NULL)
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return;
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l = g_slist_find_custom(ussd->ss_passwd_list, sc,
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ssc_entry_find_by_service);
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if (l == NULL)
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return;
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ssc_entry_destroy(l->data);
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ussd->ss_passwd_list = g_slist_remove(ussd->ss_passwd_list, l->data);
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}
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static gboolean recognized_passwd_change_string(struct ofono_ussd *ussd,
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int type, char *sc,
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char *sia, char *sib,
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char *sic, char *sid,
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char *dn, DBusMessage *msg)
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{
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GSList *l = ussd->ss_passwd_list;
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switch (type) {
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case SS_CONTROL_TYPE_ACTIVATION:
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case SS_CONTROL_TYPE_REGISTRATION:
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break;
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default:
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return FALSE;
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}
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if (strcmp(sc, "03") || strlen(dn))
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return FALSE;
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/* If SIC & SID don't match, then we just bail out here */
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if (strcmp(sic, sid)) {
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DBusConnection *conn = ofono_dbus_get_connection();
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DBusMessage *reply = __ofono_error_invalid_format(msg);
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g_dbus_send_message(conn, reply);
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return TRUE;
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}
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while ((l = g_slist_find_custom(l, sia,
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ssc_entry_find_by_service)) != NULL) {
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struct ssc_entry *entry = l->data;
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ofono_ussd_passwd_cb_t cb = entry->cb;
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if (cb(sia, sib, sic, msg, entry->user))
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return TRUE;
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l = l->next;
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}
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return FALSE;
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}
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static gboolean recognized_control_string(struct ofono_ussd *ussd,
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const char *ss_str,
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DBusMessage *msg)
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{
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char *str = g_strdup(ss_str);
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char *sc, *sia, *sib, *sic, *sid, *dn;
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int type;
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gboolean ret = FALSE;
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DBG("parsing control string");
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if (parse_ss_control_string(str, &type, &sc,
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&sia, &sib, &sic, &sid, &dn)) {
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GSList *l = ussd->ss_control_list;
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DBG("Got parse result: %d, %s, %s, %s, %s, %s, %s",
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type, sc, sia, sib, sic, sid, dn);
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/*
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* A password change string needs to be treated separately
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* because it uses a fourth SI and is thus not a valid
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* control string.
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*/
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if (recognized_passwd_change_string(ussd, type, sc,
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sia, sib, sic, sid, dn, msg)) {
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ret = TRUE;
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goto out;
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}
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if (*sid != '\0')
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goto out;
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while ((l = g_slist_find_custom(l, sc,
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ssc_entry_find_by_service)) != NULL) {
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struct ssc_entry *entry = l->data;
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ofono_ussd_ssc_cb_t cb = entry->cb;
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if (cb(type, sc, sia, sib, sic, dn, msg, entry->user)) {
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ret = TRUE;
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goto out;
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}
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l = l->next;
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}
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}
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/* TODO: Handle all strings that control voice calls */
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/* TODO: Handle Multiple subscriber profile DN*59#SEND and *59#SEND */
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/*
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* Note: SIM PIN/PIN2 change and unblock and IMEI presentation
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* procedures are not handled by the daemon since they are not followed
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* by SEND and are not valid USSD requests.
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*/
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out:
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g_free(str);
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return ret;
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}
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static const char *ussd_get_state_string(struct ofono_ussd *ussd)
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{
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switch (ussd->state) {
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case USSD_STATE_IDLE:
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return "idle";
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case USSD_STATE_ACTIVE:
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case USSD_STATE_RESPONSE_SENT:
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return "active";
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case USSD_STATE_USER_ACTION:
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return "user-response";
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}
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return "";
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}
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static void ussd_change_state(struct ofono_ussd *ussd, int state)
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{
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const char *value;
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DBusConnection *conn = ofono_dbus_get_connection();
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const char *path = __ofono_atom_get_path(ussd->atom);
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if (state == ussd->state)
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return;
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ussd->state = state;
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value = ussd_get_state_string(ussd);
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ofono_dbus_signal_property_changed(conn, path,
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OFONO_SUPPLEMENTARY_SERVICES_INTERFACE,
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"State", DBUS_TYPE_STRING, &value);
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}
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static void ussd_request_finish(struct ofono_ussd *ussd, int error, int dcs,
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const unsigned char *pdu, int len)
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{
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struct ussd_request *req = ussd->req;
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if (req && req->cb)
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req->cb(error, dcs, pdu, len, req->user_data);
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g_free(req);
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ussd->req = NULL;
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}
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static int ussd_status_to_failure_code(int status)
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{
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switch (status) {
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case OFONO_USSD_STATUS_TIMED_OUT:
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return -ETIMEDOUT;
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case OFONO_USSD_STATUS_NOT_SUPPORTED:
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return -ENOSYS;
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}
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return 0;
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}
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static char const *ussd_status_name(int status)
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{
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switch (status) {
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case OFONO_USSD_STATUS_NOTIFY:
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return "NOTIFY";
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case OFONO_USSD_STATUS_ACTION_REQUIRED:
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return "ACTION_REQUIRED";
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case OFONO_USSD_STATUS_TERMINATED:
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return "TERMINATED";
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case OFONO_USSD_STATUS_LOCAL_CLIENT_RESPONDED:
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return "LOCAL_CLIENT_RESPONDED";
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case OFONO_USSD_STATUS_NOT_SUPPORTED:
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return "NOT_SUPPORTED";
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case OFONO_USSD_STATUS_TIMED_OUT:
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return "TIMED_OUT";
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}
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return "????";
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}
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static const char *ussd_state_name(enum ussd_state state)
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{
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switch (state) {
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case USSD_STATE_IDLE:
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return "IDLE";
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case USSD_STATE_ACTIVE:
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return "ACTIVE";
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case USSD_STATE_RESPONSE_SENT:
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return "RESPONSE_SENT";
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case USSD_STATE_USER_ACTION:
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return "USER_ACTION";
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}
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return "????";
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}
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void ofono_ussd_notify(struct ofono_ussd *ussd, int status, int dcs,
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const unsigned char *data, int data_len)
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{
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DBusConnection *conn = ofono_dbus_get_connection();
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const char *ussdstr = "USSD";
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char *utf8_str = NULL;
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const char *str;
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const char sig[] = { DBUS_TYPE_STRING, 0 };
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DBusMessage *reply;
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DBusMessageIter iter;
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DBusMessageIter variant;
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DBG("status: %d %s, state: %d %s",
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status, ussd_status_name(status),
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ussd->state, ussd_state_name(ussd->state));
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if (ussd->req &&
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(status == OFONO_USSD_STATUS_NOTIFY ||
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status == OFONO_USSD_STATUS_TERMINATED ||
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status == OFONO_USSD_STATUS_TIMED_OUT ||
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status == OFONO_USSD_STATUS_NOT_SUPPORTED)) {
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ussd_request_finish(ussd, ussd_status_to_failure_code(status),
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dcs, data, data_len);
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ussd_change_state(ussd, USSD_STATE_IDLE);
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return;
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}
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if (status == OFONO_USSD_STATUS_TERMINATED) {
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if (ussd->state == USSD_STATE_ACTIVE && data && data_len > 0) {
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/* Interpret that as a Notify */
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status = OFONO_USSD_STATUS_NOTIFY;
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} else {
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ussd_change_state(ussd, USSD_STATE_IDLE);
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if (ussd->pending == NULL)
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return;
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reply = __ofono_error_network_terminated(ussd->pending);
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goto out;
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}
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}
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if (status == OFONO_USSD_STATUS_NOT_SUPPORTED) {
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ussd_change_state(ussd, USSD_STATE_IDLE);
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if (ussd->pending == NULL)
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return;
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reply = __ofono_error_not_supported(ussd->pending);
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goto out;
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}
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if (status == OFONO_USSD_STATUS_TIMED_OUT) {
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ussd_change_state(ussd, USSD_STATE_IDLE);
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if (ussd->pending == NULL)
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return;
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reply = __ofono_error_timed_out(ussd->pending);
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goto out;
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}
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if (data && data_len > 0)
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utf8_str = ussd_decode(dcs, data_len, data);
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str = utf8_str;
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/* TODO: Rework this in the Agent framework */
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if (ussd->state == USSD_STATE_ACTIVE) {
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reply = dbus_message_new_method_return(ussd->pending);
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if (str == NULL)
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str = "";
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dbus_message_iter_init_append(reply, &iter);
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dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
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&ussdstr);
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dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, sig,
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&variant);
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dbus_message_iter_append_basic(&variant, DBUS_TYPE_STRING,
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&str);
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dbus_message_iter_close_container(&iter, &variant);
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if (status == OFONO_USSD_STATUS_ACTION_REQUIRED)
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ussd_change_state(ussd, USSD_STATE_USER_ACTION);
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else
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ussd_change_state(ussd, USSD_STATE_IDLE);
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} else if (ussd->state == USSD_STATE_RESPONSE_SENT) {
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reply = dbus_message_new_method_return(ussd->pending);
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if (str == NULL)
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str = "";
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dbus_message_append_args(reply, DBUS_TYPE_STRING, &str,
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DBUS_TYPE_INVALID);
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if (status == OFONO_USSD_STATUS_ACTION_REQUIRED)
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ussd_change_state(ussd, USSD_STATE_USER_ACTION);
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else
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ussd_change_state(ussd, USSD_STATE_IDLE);
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} else if (ussd->state == USSD_STATE_IDLE) {
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const char *signal_name;
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const char *path = __ofono_atom_get_path(ussd->atom);
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int new_state;
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if (status == OFONO_USSD_STATUS_ACTION_REQUIRED) {
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new_state = USSD_STATE_USER_ACTION;
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signal_name = "RequestReceived";
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} else {
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new_state = USSD_STATE_IDLE;
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signal_name = "NotificationReceived";
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}
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if (str == NULL)
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str = "";
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g_dbus_emit_signal(conn, path,
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OFONO_SUPPLEMENTARY_SERVICES_INTERFACE, signal_name,
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DBUS_TYPE_STRING, &str, DBUS_TYPE_INVALID);
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ussd_change_state(ussd, new_state);
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goto free;
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} else if (ussd->state == USSD_STATE_USER_ACTION &&
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status != OFONO_USSD_STATUS_ACTION_REQUIRED) {
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ussd_change_state(ussd, USSD_STATE_IDLE);
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if (status == OFONO_USSD_STATUS_NOTIFY && str && str[0]) {
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const char *path = __ofono_atom_get_path(ussd->atom);
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g_dbus_emit_signal(conn, path,
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OFONO_SUPPLEMENTARY_SERVICES_INTERFACE,
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"NotificationReceived", DBUS_TYPE_STRING,
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&str, DBUS_TYPE_INVALID);
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}
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goto free;
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} else {
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ofono_error("Received an unsolicited USSD but can't handle.");
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DBG("USSD is: status: %d, %s", status, str);
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goto free;
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}
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out:
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g_dbus_send_message(conn, reply);
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dbus_message_unref(ussd->pending);
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ussd->pending = NULL;
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free:
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g_free(utf8_str);
|
|
}
|
|
|
|
static void ussd_callback(const struct ofono_error *error, void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
DBusMessage *reply;
|
|
|
|
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
|
|
DBG("ussd request failed with error: %s",
|
|
telephony_error_to_str(error));
|
|
|
|
if (error->type == OFONO_ERROR_TYPE_NO_ERROR) {
|
|
ussd_change_state(ussd, USSD_STATE_ACTIVE);
|
|
return;
|
|
}
|
|
|
|
if (ussd->pending == NULL)
|
|
return;
|
|
|
|
reply = __ofono_error_failed(ussd->pending);
|
|
__ofono_dbus_pending_reply(&ussd->pending, reply);
|
|
}
|
|
|
|
static DBusMessage *ussd_initiate(DBusConnection *conn, DBusMessage *msg,
|
|
void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
struct ofono_modem *modem = __ofono_atom_get_modem(ussd->atom);
|
|
struct ofono_voicecall *vc;
|
|
gboolean call_in_progress;
|
|
const char *str;
|
|
int dcs = 0x0f;
|
|
unsigned char buf[160];
|
|
long num_packed;
|
|
|
|
if (__ofono_ussd_is_busy(ussd))
|
|
return __ofono_error_busy(msg);
|
|
|
|
if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &str,
|
|
DBUS_TYPE_INVALID) == FALSE)
|
|
return __ofono_error_invalid_args(msg);
|
|
|
|
if (strlen(str) == 0)
|
|
return __ofono_error_invalid_format(msg);
|
|
|
|
DBG("checking if this is a recognized control string");
|
|
if (recognized_control_string(ussd, str, msg))
|
|
return NULL;
|
|
|
|
vc = __ofono_atom_find(OFONO_ATOM_TYPE_VOICECALL, modem);
|
|
if (vc)
|
|
call_in_progress = __ofono_voicecall_is_busy(vc,
|
|
OFONO_VOICECALL_INTERACTION_NONE);
|
|
else
|
|
call_in_progress = FALSE;
|
|
|
|
DBG("No.., checking if this is a USSD string");
|
|
if (!valid_ussd_string(str, call_in_progress))
|
|
return __ofono_error_not_recognized(msg);
|
|
|
|
if (!ussd_encode(str, &num_packed, buf))
|
|
return __ofono_error_invalid_format(msg);
|
|
|
|
if (ussd->driver->request == NULL)
|
|
return __ofono_error_not_implemented(msg);
|
|
|
|
DBG("OK, running USSD request");
|
|
|
|
ussd->pending = dbus_message_ref(msg);
|
|
|
|
ussd->driver->request(ussd, dcs, buf, num_packed, ussd_callback, ussd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void ussd_response_callback(const struct ofono_error *error, void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
DBusMessage *reply;
|
|
|
|
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
|
|
DBG("ussd response failed with error: %s",
|
|
telephony_error_to_str(error));
|
|
|
|
if (error->type == OFONO_ERROR_TYPE_NO_ERROR) {
|
|
ussd_change_state(ussd, USSD_STATE_RESPONSE_SENT);
|
|
return;
|
|
}
|
|
|
|
if (ussd->pending == NULL)
|
|
return;
|
|
|
|
reply = __ofono_error_failed(ussd->pending);
|
|
__ofono_dbus_pending_reply(&ussd->pending, reply);
|
|
}
|
|
|
|
static DBusMessage *ussd_respond(DBusConnection *conn, DBusMessage *msg,
|
|
void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
const char *str;
|
|
int dcs = 0x0f;
|
|
unsigned char buf[160];
|
|
long num_packed;
|
|
|
|
if (ussd->pending)
|
|
return __ofono_error_busy(msg);
|
|
|
|
if (ussd->state != USSD_STATE_USER_ACTION)
|
|
return __ofono_error_not_active(msg);
|
|
|
|
if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &str,
|
|
DBUS_TYPE_INVALID) == FALSE)
|
|
return __ofono_error_invalid_args(msg);
|
|
|
|
if (strlen(str) == 0)
|
|
return __ofono_error_invalid_format(msg);
|
|
|
|
if (!ussd_encode(str, &num_packed, buf))
|
|
return __ofono_error_invalid_format(msg);
|
|
|
|
if (ussd->driver->request == NULL)
|
|
return __ofono_error_not_implemented(msg);
|
|
|
|
ussd->pending = dbus_message_ref(msg);
|
|
|
|
ussd->driver->request(ussd, dcs, buf, num_packed,
|
|
ussd_response_callback, ussd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void ussd_cancel_callback(const struct ofono_error *error, void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
DBusMessage *reply;
|
|
|
|
if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
|
|
DBG("ussd cancel failed with error: %s",
|
|
telephony_error_to_str(error));
|
|
|
|
reply = __ofono_error_failed(ussd->cancel);
|
|
__ofono_dbus_pending_reply(&ussd->cancel, reply);
|
|
|
|
return;
|
|
}
|
|
|
|
if (ussd->pending) {
|
|
reply = __ofono_error_canceled(ussd->pending);
|
|
__ofono_dbus_pending_reply(&ussd->pending, reply);
|
|
}
|
|
|
|
reply = dbus_message_new_method_return(ussd->cancel);
|
|
__ofono_dbus_pending_reply(&ussd->cancel, reply);
|
|
|
|
if (ussd->req)
|
|
ussd_request_finish(ussd, -ECANCELED, 0, NULL, 0);
|
|
|
|
ussd_change_state(ussd, USSD_STATE_IDLE);
|
|
}
|
|
|
|
static DBusMessage *ussd_cancel(DBusConnection *conn, DBusMessage *msg,
|
|
void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
|
|
if (ussd->state == USSD_STATE_IDLE)
|
|
return __ofono_error_not_active(msg);
|
|
|
|
/* We have called Respond() but not returned from its callback yet */
|
|
if (ussd->state == USSD_STATE_USER_ACTION && ussd->pending)
|
|
return __ofono_error_busy(msg);
|
|
|
|
if (ussd->cancel)
|
|
return __ofono_error_busy(msg);
|
|
|
|
if (ussd->driver->cancel == NULL)
|
|
return __ofono_error_not_implemented(msg);
|
|
|
|
ussd->cancel = dbus_message_ref(msg);
|
|
|
|
ussd->driver->cancel(ussd, ussd_cancel_callback, ussd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static DBusMessage *ussd_get_properties(DBusConnection *conn,
|
|
DBusMessage *msg, void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
DBusMessage *reply;
|
|
DBusMessageIter iter;
|
|
DBusMessageIter dict;
|
|
const char *value;
|
|
|
|
reply = dbus_message_new_method_return(msg);
|
|
if (reply == NULL)
|
|
return NULL;
|
|
|
|
dbus_message_iter_init_append(reply, &iter);
|
|
|
|
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
|
|
OFONO_PROPERTIES_ARRAY_SIGNATURE,
|
|
&dict);
|
|
|
|
value = ussd_get_state_string(ussd);
|
|
ofono_dbus_dict_append(&dict, "State", DBUS_TYPE_STRING, &value);
|
|
|
|
dbus_message_iter_close_container(&iter, &dict);
|
|
|
|
return reply;
|
|
}
|
|
|
|
static const GDBusMethodTable ussd_methods[] = {
|
|
{ GDBUS_ASYNC_METHOD("Initiate",
|
|
GDBUS_ARGS({ "command", "s" }),
|
|
GDBUS_ARGS({ "result_name", "s" }, { "value", "v" }),
|
|
ussd_initiate) },
|
|
{ GDBUS_ASYNC_METHOD("Respond",
|
|
GDBUS_ARGS({ "reply", "s" }),
|
|
GDBUS_ARGS({ "result", "s" }),
|
|
ussd_respond) },
|
|
{ GDBUS_ASYNC_METHOD("Cancel", NULL, NULL, ussd_cancel) },
|
|
{ GDBUS_METHOD("GetProperties",
|
|
NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
|
|
ussd_get_properties) },
|
|
{ }
|
|
};
|
|
|
|
static const GDBusSignalTable ussd_signals[] = {
|
|
{ GDBUS_SIGNAL("NotificationReceived",
|
|
GDBUS_ARGS({ "message", "s" })) },
|
|
{ GDBUS_SIGNAL("RequestReceived",
|
|
GDBUS_ARGS({ "message", "s" })) },
|
|
{ GDBUS_SIGNAL("PropertyChanged",
|
|
GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
|
|
{ }
|
|
};
|
|
|
|
int ofono_ussd_driver_register(const struct ofono_ussd_driver *d)
|
|
{
|
|
DBG("driver: %p, name: %s", d, d->name);
|
|
|
|
if (d->probe == NULL)
|
|
return -EINVAL;
|
|
|
|
g_drivers = g_slist_prepend(g_drivers, (void *) d);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ofono_ussd_driver_unregister(const struct ofono_ussd_driver *d)
|
|
{
|
|
DBG("driver: %p, name: %s", d, d->name);
|
|
|
|
g_drivers = g_slist_remove(g_drivers, (void *) d);
|
|
}
|
|
|
|
static void ussd_unregister(struct ofono_atom *atom)
|
|
{
|
|
struct ofono_ussd *ussd = __ofono_atom_get_data(atom);
|
|
DBusConnection *conn = ofono_dbus_get_connection();
|
|
struct ofono_modem *modem = __ofono_atom_get_modem(atom);
|
|
const char *path = __ofono_atom_get_path(atom);
|
|
|
|
g_slist_free_full(ussd->ss_control_list, ssc_entry_destroy);
|
|
ussd->ss_control_list = NULL;
|
|
|
|
g_slist_free_full(ussd->ss_passwd_list, ssc_entry_destroy);
|
|
ussd->ss_passwd_list = NULL;
|
|
|
|
ofono_modem_remove_interface(modem,
|
|
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
|
|
g_dbus_unregister_interface(conn, path,
|
|
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
|
|
}
|
|
|
|
static void ussd_remove(struct ofono_atom *atom)
|
|
{
|
|
struct ofono_ussd *ussd = __ofono_atom_get_data(atom);
|
|
|
|
DBG("atom: %p", atom);
|
|
|
|
if (ussd == NULL)
|
|
return;
|
|
|
|
if (ussd->driver && ussd->driver->remove)
|
|
ussd->driver->remove(ussd);
|
|
|
|
g_free(ussd);
|
|
}
|
|
|
|
struct ofono_ussd *ofono_ussd_create(struct ofono_modem *modem,
|
|
unsigned int vendor,
|
|
const char *driver,
|
|
void *data)
|
|
{
|
|
struct ofono_ussd *ussd;
|
|
GSList *l;
|
|
|
|
if (driver == NULL)
|
|
return NULL;
|
|
|
|
ussd = g_try_new0(struct ofono_ussd, 1);
|
|
|
|
if (ussd == NULL)
|
|
return NULL;
|
|
|
|
ussd->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_USSD,
|
|
ussd_remove, ussd);
|
|
|
|
for (l = g_drivers; l; l = l->next) {
|
|
const struct ofono_ussd_driver *drv = l->data;
|
|
|
|
if (g_strcmp0(drv->name, driver))
|
|
continue;
|
|
|
|
if (drv->probe(ussd, vendor, data) < 0)
|
|
continue;
|
|
|
|
ussd->driver = drv;
|
|
break;
|
|
}
|
|
|
|
return ussd;
|
|
}
|
|
|
|
void ofono_ussd_register(struct ofono_ussd *ussd)
|
|
{
|
|
DBusConnection *conn = ofono_dbus_get_connection();
|
|
struct ofono_modem *modem = __ofono_atom_get_modem(ussd->atom);
|
|
const char *path = __ofono_atom_get_path(ussd->atom);
|
|
|
|
if (!g_dbus_register_interface(conn, path,
|
|
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE,
|
|
ussd_methods, ussd_signals, NULL,
|
|
ussd, NULL)) {
|
|
ofono_error("Could not create %s interface",
|
|
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
|
|
|
|
return;
|
|
}
|
|
|
|
ofono_modem_add_interface(modem,
|
|
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
|
|
|
|
__ofono_atom_register(ussd->atom, ussd_unregister);
|
|
}
|
|
|
|
void ofono_ussd_remove(struct ofono_ussd *ussd)
|
|
{
|
|
__ofono_atom_free(ussd->atom);
|
|
}
|
|
|
|
void ofono_ussd_set_data(struct ofono_ussd *ussd, void *data)
|
|
{
|
|
ussd->driver_data = data;
|
|
}
|
|
|
|
void *ofono_ussd_get_data(struct ofono_ussd *ussd)
|
|
{
|
|
return ussd->driver_data;
|
|
}
|
|
|
|
static void ussd_request_callback(const struct ofono_error *error, void *data)
|
|
{
|
|
struct ofono_ussd *ussd = data;
|
|
|
|
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
|
|
ussd_request_finish(ussd, -EINVAL, 0, NULL, 0);
|
|
else
|
|
ussd_change_state(ussd, USSD_STATE_ACTIVE);
|
|
}
|
|
|
|
int __ofono_ussd_initiate(struct ofono_ussd *ussd, int dcs,
|
|
const unsigned char *pdu, int len,
|
|
ofono_ussd_request_cb_t cb, void *user_data)
|
|
{
|
|
struct ussd_request *req;
|
|
|
|
if (ussd->driver->request == NULL)
|
|
return -ENOSYS;
|
|
|
|
if (__ofono_ussd_is_busy(ussd))
|
|
return -EBUSY;
|
|
|
|
req = g_try_new0(struct ussd_request, 1);
|
|
if (req == NULL)
|
|
return -ENOMEM;
|
|
|
|
req->cb = cb;
|
|
req->user_data = user_data;
|
|
|
|
ussd->req = req;
|
|
|
|
ussd->driver->request(ussd, dcs, pdu, len, ussd_request_callback, ussd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void __ofono_ussd_initiate_cancel(struct ofono_ussd *ussd)
|
|
{
|
|
if (ussd->req == NULL || ussd->req->cb == NULL)
|
|
return;
|
|
|
|
ussd->req->cb = NULL;
|
|
}
|