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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2017 Intel Corporation. All rights reserved.
* Copyright (C) 2018 Gemalto M2M
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include <ofono/modem.h>
#include <ofono/gprs-context.h>
#include <ofono/log.h>
#include <ofono/lte.h>
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
static const char *none_prefix[] = { NULL };
struct lte_driver_data {
GAtChat *chat;
struct ofono_lte_default_attach_info pending_info;
};
static void at_lte_set_auth_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_lte_cb_t cb = cbd->cb;
struct ofono_error error;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_lte_set_default_attach_info_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_lte_cb_t cb = cbd->cb;
void *data = cbd->data;
struct lte_driver_data *ldd = cbd->user;
struct ofono_error error;
char buf[32 + OFONO_GPRS_MAX_USERNAME_LENGTH +
OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
size_t buflen = sizeof(buf);
size_t len;
enum ofono_gprs_auth_method auth_method;
if (!ok) {
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, data);
return;
}
auth_method = ldd->pending_info.auth_method;
/* change the authentication method if the parameters are invalid */
if (!*ldd->pending_info.username || !*ldd->pending_info.password)
auth_method = OFONO_GPRS_AUTH_METHOD_NONE;
len = snprintf(buf, buflen, "AT+CGAUTH=0,%d",
at_util_gprs_auth_method_to_auth_prot(auth_method));
buflen -= len;
if (auth_method != OFONO_GPRS_AUTH_METHOD_NONE)
snprintf(buf + len, buflen, ",\"%s\",\"%s\"",
ldd->pending_info.username,
ldd->pending_info.password);
cbd = cb_data_ref(cbd);
if (g_at_chat_send(ldd->chat, buf, none_prefix,
at_lte_set_auth_cb, cbd, cb_data_unref) > 0)
return;
cb_data_unref(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void at_lte_set_default_attach_info(const struct ofono_lte *lte,
const struct ofono_lte_default_attach_info *info,
ofono_lte_cb_t cb, void *data)
{
struct lte_driver_data *ldd = ofono_lte_get_data(lte);
struct cb_data *cbd = cb_data_new(cb, data);
char *buf = at_util_get_cgdcont_command(0, info->proto, info->apn);
cbd->user = ldd;
memcpy(&ldd->pending_info, info, sizeof(ldd->pending_info));
if (g_at_chat_send(ldd->chat, buf, none_prefix,
at_lte_set_default_attach_info_cb,
cbd, cb_data_unref) > 0)
goto end;
cb_data_unref(cbd);
CALLBACK_WITH_FAILURE(cb, data);
end:
g_free(buf);
}
static gboolean lte_delayed_register(gpointer user_data)
{
struct ofono_lte *lte = user_data;
ofono_lte_register(lte);
return FALSE;
}
static int at_lte_probe(struct ofono_lte *lte, unsigned int vendor, void *data)
{
GAtChat *chat = data;
struct lte_driver_data *ldd;
DBG("at lte probe");
ldd = g_try_new0(struct lte_driver_data, 1);
if (!ldd)
return -ENOMEM;
ldd->chat = g_at_chat_clone(chat);
ofono_lte_set_data(lte, ldd);
g_idle_add(lte_delayed_register, lte);
return 0;
}
static void at_lte_remove(struct ofono_lte *lte)
{
struct lte_driver_data *ldd = ofono_lte_get_data(lte);
DBG("at lte remove");
g_at_chat_unref(ldd->chat);
ofono_lte_set_data(lte, NULL);
g_free(ldd);
}
static const struct ofono_lte_driver driver = {
.name = "atmodem",
.probe = at_lte_probe,
.remove = at_lte_remove,
.set_default_attach_info = at_lte_set_default_attach_info,
};
void at_lte_init(void)
{
ofono_lte_driver_register(&driver);
}
void at_lte_exit(void)
{
ofono_lte_driver_unregister(&driver);
}
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