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/*
* oFono - Open Source Telephony
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <inttypes.h>
#include <glib.h>
#include <gisi/client.h>
#include <gisi/message.h>
#include <gisi/iter.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/cbs.h>
#include "isiutil.h"
#include "sms.h"
#include "debug.h"
struct cbs_data {
GIsiClient *client;
};
struct cbs_info {
uint8_t pdu[88];
};
static gboolean check_resp(const GIsiMessage *msg, uint8_t msgid)
{
uint8_t cause;
uint8_t reason;
if (g_isi_msg_error(msg) < 0) {
DBG("Error: %s", strerror(-g_isi_msg_error(msg)));
return FALSE;
}
if (g_isi_msg_id(msg) != msgid) {
DBG("Unexpected msg: %s",
sms_message_id_name(g_isi_msg_id(msg)));
return FALSE;
}
if (!g_isi_msg_data_get_byte(msg, 0, &cause))
return FALSE;
if (cause == SMS_OK)
return TRUE;
if (!g_isi_msg_data_get_byte(msg, 1, &reason))
return FALSE;
if (reason == SMS_ERR_PP_RESERVED) {
DBG("Request failed: 0x%02"PRIx8" (%s).\n\n Unable to "
"bootstrap CBS routing.\n It appears some other "
"component is already\n registered as the CBS "
"routing endpoint.\n As a consequence, "
"receiving CBSs is not going to work.\n\n",
reason, sms_isi_cause_name(reason));
}
return FALSE;
}
static void isi_set_topics(struct ofono_cbs *cbs, const char *topics,
ofono_cbs_set_cb_t cb, void *data)
{
DBG("Not implemented (topics=%s), all topics accepted", topics);
CALLBACK_WITH_SUCCESS(cb, data);
}
static void isi_clear_topics(struct ofono_cbs *cbs,
ofono_cbs_set_cb_t cb, void *data)
{
DBG("Not implemented");
CALLBACK_WITH_SUCCESS(cb, data);
}
static void routing_ntf_cb(const GIsiMessage *msg, void *data)
{
struct ofono_cbs *cbs = data;
struct cbs_info *info;
size_t len = sizeof(struct cbs_info);
GIsiSubBlockIter iter;
if (!check_resp(msg, SMS_GSM_CB_ROUTING_NTF))
return;
for (g_isi_sb_iter_init(&iter, msg, 2);
g_isi_sb_iter_is_valid(&iter);
g_isi_sb_iter_next(&iter)) {
if (g_isi_sb_iter_get_id(&iter) != SMS_GSM_CB_MESSAGE)
continue;
if (!g_isi_sb_iter_get_struct(&iter, (void *) &info, len, 2))
return;
ofono_cbs_notify(cbs, info->pdu, len);
return;
}
}
static void routing_resp_cb(const GIsiMessage *msg, void *data)
{
struct ofono_cbs *cbs = data;
struct cbs_data *cd = ofono_cbs_get_data(cbs);
if (!check_resp(msg, SMS_GSM_CB_ROUTING_RESP)) {
ofono_cbs_remove(cbs);
return;
}
g_isi_client_ntf_subscribe(cd->client, SMS_GSM_CB_ROUTING_NTF,
routing_ntf_cb, cbs);
ofono_cbs_register(cbs);
}
static void cbs_reachable_cb(const GIsiMessage *msg, void *data)
{
struct ofono_cbs *cbs = data;
struct cbs_data *cd = ofono_cbs_get_data(cbs);
const uint8_t req[] = {
SMS_GSM_CB_ROUTING_REQ,
SMS_ROUTING_SET,
SMS_GSM_ROUTING_MODE_ALL,
SMS_CB_NOT_ALLOWED_IDS_LIST,
0x00, /* Subject count */
0x00, /* Language count */
0x00, /* CB range */
0x00, /* Subject list MSBS */
0x00, /* Subject list LSBS */
0x00 /* Languages */
};
if (g_isi_msg_error(msg) < 0) {
DBG("Unable to find CBS resource");
ofono_cbs_remove(cbs);
return;
}
ISI_RESOURCE_DBG(msg);
g_isi_client_send(cd->client, req, sizeof(req), routing_resp_cb,
cbs, NULL);
}
static int isi_cbs_probe(struct ofono_cbs *cbs, unsigned int vendor,
void *user)
{
GIsiModem *modem = user;
struct cbs_data *cd = g_try_new0(struct cbs_data, 1);
if (cd == NULL)
return -ENOMEM;
cd->client = g_isi_client_create(modem, PN_SMS);
if (cd->client == NULL) {
g_free(cd);
return -ENOMEM;
}
ofono_cbs_set_data(cbs, cd);
g_isi_client_verify(cd->client, cbs_reachable_cb, cbs, NULL);
return 0;
}
static void isi_cbs_remove(struct ofono_cbs *cbs)
{
struct cbs_data *cd = ofono_cbs_get_data(cbs);
const uint8_t msg[] = {
SMS_GSM_CB_ROUTING_REQ,
SMS_ROUTING_RELEASE,
SMS_GSM_ROUTING_MODE_ALL,
SMS_CB_NOT_ALLOWED_IDS_LIST,
0x00, /* Subject count */
0x00, /* Language count */
0x00, /* CB range */
0x00, /* Subject list MSBS */
0x00, /* Subject list LSBS */
0x00 /* Languages */
};
ofono_cbs_set_data(cbs, NULL);
if (cd == NULL)
return;
/*
* Send a promiscuous routing release, so as not to hog
* resources unnecessarily after being removed.
*/
g_isi_client_send(cd->client, msg, sizeof(msg), NULL, NULL, NULL);
g_isi_client_destroy(cd->client);
g_free(cd);
}
static const struct ofono_cbs_driver driver = {
.probe = isi_cbs_probe,
.remove = isi_cbs_remove,
.set_topics = isi_set_topics,
.clear_topics = isi_clear_topics
};
OFONO_ATOM_DRIVER_BUILTIN(cbs, isimodem, &driver)
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