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ofono/drivers/atmodem/sms.c

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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
*
* 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 <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <glib.h>
#include <ell/ell.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/sms.h>
#include "smsutil.h"
#include "util.h"
#include "vendor.h"
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
static const char *csca_prefix[] = { "+CSCA:", NULL };
static const char *cgsms_prefix[] = { "+CGSMS:", NULL };
static const char *csms_prefix[] = { "+CSMS:", NULL };
static const char *cmgf_prefix[] = { "+CMGF:", NULL };
static const char *cpms_prefix[] = { "+CPMS:", NULL };
static const char *cnmi_prefix[] = { "+CNMI:", NULL };
static const char *cmgs_prefix[] = { "+CMGS:", NULL };
static const char *cmgl_prefix[] = { "+CMGL:", NULL };
static const char *none_prefix[] = { NULL };
static gboolean set_cmgf(gpointer user_data);
static gboolean set_cpms(gpointer user_data);
static void at_cmgl_set_cpms(struct ofono_sms *sms, int store);
#define MAX_CMGF_RETRIES 10
#define MAX_CPMS_RETRIES 10
static const char *storages[] = {
"SM",
"ME",
"MT",
"SR",
"BM",
};
struct sms_data {
int store;
int incoming;
int retries;
gboolean expect_sr;
gboolean cnma_enabled;
char *cnma_ack_pdu;
int cnma_ack_pdu_len;
guint timeout_source;
GAtChat *chat;
unsigned int vendor;
};
struct cpms_request {
struct ofono_sms *sms;
int store;
int index;
gboolean expect_sr;
};
static void at_csca_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_sms_sca_set_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_csca_set(struct ofono_sms *sms,
const struct ofono_phone_number *sca,
ofono_sms_sca_set_cb_t cb, void *user_data)
{
struct sms_data *data = ofono_sms_get_data(sms);
struct cb_data *cbd = cb_data_new(cb, user_data);
char buf[128];
snprintf(buf, sizeof(buf), "AT+CSCA=\"%s\",%d", sca->number, sca->type);
if (g_at_chat_send(data->chat, buf, csca_prefix,
at_csca_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, user_data);
}
static void at_csca_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
GAtResultIter iter;
ofono_sms_sca_query_cb_t cb = cbd->cb;
struct ofono_error error;
struct ofono_phone_number sca;
const char *number;
decode_at_error(&error, g_at_result_final_response(result));
if (!ok) {
cb(&error, NULL, cbd->data);
return;
}
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CSCA:"))
goto err;
if (!g_at_result_iter_next_string(&iter, &number))
goto err;
if (number[0] == '+') {
number = number + 1;
sca.type = 145;
} else {
sca.type = 129;
}
strncpy(sca.number, number, OFONO_MAX_PHONE_NUMBER_LENGTH);
sca.number[OFONO_MAX_PHONE_NUMBER_LENGTH] = '\0';
g_at_result_iter_next_number(&iter, &sca.type);
DBG("csca_query_cb: %s, %d", sca.number, sca.type);
cb(&error, &sca, cbd->data);
return;
err:
CALLBACK_WITH_FAILURE(cb, NULL, cbd->data);
}
static void at_csca_query(struct ofono_sms *sms, ofono_sms_sca_query_cb_t cb,
void *user_data)
{
struct sms_data *data = ofono_sms_get_data(sms);
struct cb_data *cbd = cb_data_new(cb, user_data);
if (g_at_chat_send(data->chat, "AT+CSCA?", csca_prefix,
at_csca_query_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, NULL, user_data);
}
static void at_cmgs_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
GAtResultIter iter;
ofono_sms_submit_cb_t cb = cbd->cb;
struct ofono_error error;
int mr;
decode_at_error(&error, g_at_result_final_response(result));
if (!ok) {
cb(&error, -1, cbd->data);
return;
}
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CMGS:"))
goto err;
if (!g_at_result_iter_next_number(&iter, &mr))
goto err;
DBG("Got MR: %d", mr);
cb(&error, mr, cbd->data);
return;
err:
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
}
static void at_cmgs(struct ofono_sms *sms, const unsigned char *pdu,
int pdu_len, int tpdu_len, int mms,
ofono_sms_submit_cb_t cb, void *user_data)
{
struct sms_data *data = ofono_sms_get_data(sms);
struct cb_data *cbd = cb_data_new(cb, user_data);
char buf[512];
int len;
if (mms) {
switch (data->vendor) {
case OFONO_VENDOR_GEMALTO:
/* no mms support */
break;
default:
snprintf(buf, sizeof(buf), "AT+CMMS=%d", mms);
g_at_chat_send(data->chat, buf, none_prefix,
NULL, NULL, NULL);
break;
}
}
len = snprintf(buf, sizeof(buf), "AT+CMGS=%d\r", tpdu_len);
encode_hex_own_buf(pdu, pdu_len, 0, buf+len);
if (g_at_chat_send(data->chat, buf, cmgs_prefix,
at_cmgs_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, -1, user_data);
}
static void at_cgsms_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_sms_sca_set_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_cgsms_set(struct ofono_sms *sms, int bearer,
ofono_sms_bearer_set_cb_t cb, void *user_data)
{
struct sms_data *data = ofono_sms_get_data(sms);
struct cb_data *cbd = cb_data_new(cb, user_data);
char buf[64];
snprintf(buf, sizeof(buf), "AT+CGSMS=%d", bearer);
if (g_at_chat_send(data->chat, buf, none_prefix,
at_cgsms_set_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, user_data);
}
static void at_cgsms_query_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_sms_bearer_query_cb_t cb = cbd->cb;
struct ofono_error error;
GAtResultIter iter;
int bearer;
decode_at_error(&error, g_at_result_final_response(result));
if (!ok) {
cb(&error, -1, cbd->data);
return;
}
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CGSMS:"))
goto err;
g_at_result_iter_next_number(&iter, &bearer);
cb(&error, bearer, cbd->data);
return;
err:
CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
}
static void at_cgsms_query(struct ofono_sms *sms,
ofono_sms_bearer_query_cb_t cb, void *user_data)
{
struct sms_data *data = ofono_sms_get_data(sms);
struct cb_data *cbd = cb_data_new(cb, user_data);
if (g_at_chat_send(data->chat, "AT+CGSMS?", cgsms_prefix,
at_cgsms_query_cb, cbd, g_free) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, -1, user_data);
}
static void at_cnma_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
if (!ok)
ofono_error("CNMA acknowledgement failed: "
"Further SMS reception is not guaranteed");
}
static inline void at_ack_delivery(struct ofono_sms *sms)
{
struct sms_data *data = ofono_sms_get_data(sms);
char buf[256];
DBG("");
/* We must acknowledge the PDU using CNMA */
if (data->cnma_ack_pdu) {
switch (data->vendor) {
case OFONO_VENDOR_GEMALTO:
case OFONO_VENDOR_QUECTEL_EC2X:
snprintf(buf, sizeof(buf), "AT+CNMA=1");
break;
case OFONO_VENDOR_QUECTEL_SERIAL:
snprintf(buf, sizeof(buf), "AT+CNMA");
break;
default:
snprintf(buf, sizeof(buf), "AT+CNMA=1,%d\r%s",
data->cnma_ack_pdu_len,
data->cnma_ack_pdu);
break;
}
} else {
/* Should be a safe fallback */
snprintf(buf, sizeof(buf), "AT+CNMA=0");
}
g_at_chat_send(data->chat, buf, none_prefix, at_cnma_cb, NULL, NULL);
}
static void at_cds_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
long pdu_len;
int tpdu_len;
const char *hexpdu;
unsigned char pdu[176];
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CDS:"))
goto err;
/*
* Quirk for ZTE firmware which is not compliant with 27.005
* The +CDS syntax used by ZTE is including a comma before the length
* +CDS: ,<length><CR><LF><pdu>
* As a result, we need to skip this omitted subparameter
*/
if (data->vendor == OFONO_VENDOR_ZTE)
g_at_result_iter_skip_next(&iter);
if (!g_at_result_iter_next_number(&iter, &tpdu_len))
goto err;
hexpdu = g_at_result_pdu(result);
if (strlen(hexpdu) > sizeof(pdu) * 2) {
ofono_error("Bad PDU length in CDS notification");
return;
}
DBG("Got new Status-Report PDU via CDS: %s, %d", hexpdu, tpdu_len);
/* Decode pdu and notify about new SMS status report */
decode_hex_own_buf(hexpdu, -1, &pdu_len, 0, pdu);
ofono_sms_status_notify(sms, pdu, pdu_len, tpdu_len);
if (data->cnma_enabled)
at_ack_delivery(sms);
return;
err:
ofono_error("Unable to parse CDS notification");
}
static void at_cmt_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter;
const char *hexpdu;
unsigned char pdu[176];
long pdu_len;
int tpdu_len;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CMT:"))
goto err;
switch (data->vendor) {
case OFONO_VENDOR_GEMALTO:
if (!g_at_result_iter_next_number(&iter, &tpdu_len)) {
/*
* Some Gemalto modems (ALS3,PLS8...), act in
* accordance with 3GPP 27.005. So we need to skip
* the first (<alpha>) field
* \r\n+CMT: ,23\r\nCAFECAFECAFE... ...\r\n
* ^------- PDU length
*/
DBG("Retrying to find the PDU length");
if (!g_at_result_iter_skip_next(&iter))
goto err;
/* Next attempt at finding the PDU length. */
if (!g_at_result_iter_next_number(&iter, &tpdu_len))
goto err;
}
break;
default:
if (!g_at_result_iter_skip_next(&iter))
goto err;
if (!g_at_result_iter_next_number(&iter, &tpdu_len))
goto err;
break;
}
hexpdu = g_at_result_pdu(result);
if (strlen(hexpdu) > sizeof(pdu) * 2) {
ofono_error("Bad PDU length in CMT notification");
return;
}
DBG("Got new SMS Deliver PDU via CMT: %s, %d", hexpdu, tpdu_len);
decode_hex_own_buf(hexpdu, -1, &pdu_len, 0, pdu);
ofono_sms_deliver_notify(sms, pdu, pdu_len, tpdu_len);
if (data->vendor != OFONO_VENDOR_SIMCOM)
at_ack_delivery(sms);
return;
err:
ofono_error("Unable to parse CMT notification");
}
static void at_cmgr_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter;
const char *hexpdu;
unsigned char pdu[176];
long pdu_len;
int tpdu_len;
DBG("");
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CMGR:"))
goto err;
if (!g_at_result_iter_skip_next(&iter))
goto err;
if (!g_at_result_iter_skip_next(&iter))
goto err;
if (!g_at_result_iter_next_number(&iter, &tpdu_len))
goto err;
hexpdu = g_at_result_pdu(result);
if (strlen(hexpdu) > sizeof(pdu) * 2)
goto err;
DBG("Got PDU: %s, with len: %d", hexpdu, tpdu_len);
decode_hex_own_buf(hexpdu, -1, &pdu_len, 0, pdu);
if (data->expect_sr)
ofono_sms_status_notify(sms, pdu, pdu_len, tpdu_len);
else
ofono_sms_deliver_notify(sms, pdu, pdu_len, tpdu_len);
return;
err:
ofono_error("Unable to parse CMGR response");
}
static void at_cmgr_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
if (!ok)
ofono_error("Received a CMTI indication but CMGR failed!");
}
static void at_cmgd_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
if (!ok)
ofono_error("Unable to delete received SMS");
}
static void at_cmgr_cpms_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cpms_request *req = user_data;
struct ofono_sms *sms = req->sms;
struct sms_data *data = ofono_sms_get_data(sms);
char buf[128];
if (!ok) {
ofono_error("Received CMTI/CDSI, but CPMS request failed");
return;
}
data->store = req->store;
data->expect_sr = req->expect_sr;
snprintf(buf, sizeof(buf), "AT+CMGR=%d", req->index);
g_at_chat_send(data->chat, buf, none_prefix, at_cmgr_cb, NULL, NULL);
/* We don't buffer SMS on the SIM/ME, send along a CMGD as well */
snprintf(buf, sizeof(buf), "AT+CMGD=%d", req->index);
g_at_chat_send(data->chat, buf, none_prefix, at_cmgd_cb, NULL, NULL);
}
static void at_send_cmgr_cpms(struct ofono_sms *sms, int store, int index,
gboolean expect_sr)
{
struct sms_data *data = ofono_sms_get_data(sms);
if (store == data->store) {
struct cpms_request req;
req.sms = sms;
req.store = store;
req.index = index;
req.expect_sr = expect_sr;
at_cmgr_cpms_cb(TRUE, NULL, &req);
} else {
char buf[128];
const char *incoming = storages[data->incoming];
struct cpms_request *req = g_new(struct cpms_request, 1);
req->sms = sms;
req->store = store;
req->index = index;
req->expect_sr = expect_sr;
snprintf(buf, sizeof(buf), "AT+CPMS=\"%s\",\"%s\",\"%s\"",
storages[store], storages[store], incoming);
g_at_chat_send(data->chat, buf, cpms_prefix, at_cmgr_cpms_cb,
req, g_free);
}
}
static void at_cmti_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
enum at_util_sms_store store;
int index;
if (at_util_parse_sms_index_delivery(result, "+CMTI:",
&store, &index) == FALSE)
goto error;
if (store != AT_UTIL_SMS_STORE_SM && store != AT_UTIL_SMS_STORE_ME)
goto error;
DBG("Got a CMTI indication at %s, index: %d", storages[store], index);
at_send_cmgr_cpms(sms, store, index, FALSE);
return;
error:
ofono_error("Unable to parse CMTI notification");
}
static void at_cdsi_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
enum at_util_sms_store store;
int index;
if (at_util_parse_sms_index_delivery(result, "+CDSI:",
&store, &index) == FALSE)
goto error;
/* Some modems actually store status reports in SM, and not SR */
if (store != AT_UTIL_SMS_STORE_SR && store != AT_UTIL_SMS_STORE_SM &&
store != AT_UTIL_SMS_STORE_ME)
goto error;
DBG("Got a CDSI indication at %s, index: %d", storages[store], index);
at_send_cmgr_cpms(sms, store, index, TRUE);
return;
error:
ofono_error("Unable to parse CDSI notification");
}
static void at_cmgl_done(struct ofono_sms *sms)
{
struct sms_data *data = ofono_sms_get_data(sms);
DBG("");
if (data->incoming == AT_UTIL_SMS_STORE_MT &&
data->store == AT_UTIL_SMS_STORE_ME) {
at_cmgl_set_cpms(sms, AT_UTIL_SMS_STORE_SM);
return;
}
g_at_chat_register(data->chat, "+CMTI:", at_cmti_notify, FALSE,
sms, NULL);
g_at_chat_register(data->chat, "+CMT:", at_cmt_notify, TRUE,
sms, NULL);
g_at_chat_register(data->chat, "+CDS:", at_cds_notify, TRUE,
sms, NULL);
g_at_chat_register(data->chat, "+CDSI:", at_cdsi_notify, FALSE,
sms, NULL);
/* We treat CMGR just like a notification */
g_at_chat_register(data->chat, "+CMGR:", at_cmgr_notify, TRUE,
sms, NULL);
}
static void at_cmgl_notify(GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter;
const char *hexpdu;
unsigned char pdu[176];
long pdu_len;
int tpdu_len;
int index;
int status;
char buf[16];
DBG("");
g_at_result_iter_init(&iter, result);
while (g_at_result_iter_next(&iter, "+CMGL:")) {
if (!g_at_result_iter_next_number(&iter, &index))
goto err;
if (!g_at_result_iter_next_number(&iter, &status))
goto err;
if (!g_at_result_iter_skip_next(&iter))
goto err;
if (!g_at_result_iter_next_number(&iter, &tpdu_len))
goto err;
/* Only MT messages */
if (status != 0 && status != 1)
continue;
hexpdu = g_at_result_pdu(result);
DBG("Found an old SMS PDU: %s, with len: %d",
hexpdu, tpdu_len);
if (strlen(hexpdu) > sizeof(pdu) * 2)
continue;
decode_hex_own_buf(hexpdu, -1, &pdu_len, 0, pdu);
ofono_sms_deliver_notify(sms, pdu, pdu_len, tpdu_len);
/* We don't buffer SMS on the SIM/ME, send along a CMGD */
snprintf(buf, sizeof(buf), "AT+CMGD=%d", index);
g_at_chat_send(data->chat, buf, none_prefix,
at_cmgd_cb, NULL, NULL);
}
return;
err:
ofono_error("Unable to parse CMGL response");
}
static void at_cmgl_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
if (!ok)
DBG("Initial listing SMS storage failed!");
at_cmgl_done(sms);
}
static void at_cmgl_cpms_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cpms_request *req = user_data;
struct ofono_sms *sms = req->sms;
struct sms_data *data = ofono_sms_get_data(sms);
if (!ok) {
ofono_error("Initial CPMS request failed");
at_cmgl_done(sms);
return;
}
data->store = req->store;
g_at_chat_send_pdu_listing(data->chat, "AT+CMGL=4", cmgl_prefix,
at_cmgl_notify, at_cmgl_cb, sms, NULL);
}
static void at_cmgl_set_cpms(struct ofono_sms *sms, int store)
{
struct sms_data *data = ofono_sms_get_data(sms);
if (store == data->store) {
struct cpms_request req;
req.sms = sms;
req.store = store;
at_cmgl_cpms_cb(TRUE, NULL, &req);
} else {
char buf[128];
const char *readwrite = storages[store];
const char *incoming = storages[data->incoming];
struct cpms_request *req = g_new(struct cpms_request, 1);
req->sms = sms;
req->store = store;
snprintf(buf, sizeof(buf), "AT+CPMS=\"%s\",\"%s\",\"%s\"",
readwrite, readwrite, incoming);
g_at_chat_send(data->chat, buf, cpms_prefix, at_cmgl_cpms_cb,
req, g_free);
}
}
static void at_sms_initialized(struct ofono_sms *sms)
{
struct sms_data *data = ofono_sms_get_data(sms);
/* Inspect and free the incoming SMS storage */
if (data->incoming == AT_UTIL_SMS_STORE_MT)
at_cmgl_set_cpms(sms, AT_UTIL_SMS_STORE_ME);
else
at_cmgl_set_cpms(sms, data->incoming);
ofono_sms_register(sms);
}
static void at_sms_not_supported(struct ofono_sms *sms)
{
ofono_error("SMS not supported by this modem. If this is an error"
" please submit patches to support this hardware");
ofono_sms_remove(sms);
}
static void at_cnmi_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
if (!ok)
return at_sms_not_supported(sms);
at_sms_initialized(sms);
}
static inline char wanted_cnmi(int supported, const char *pref)
{
while (*pref) {
if (supported & (1 << (*pref - '0')))
return *pref;
pref++;
}
return '\0';
}
static inline gboolean append_cnmi_element(char *buf, int *len, int cap,
const char *wanted,
gboolean last)
{
char setting = wanted_cnmi(cap, wanted);
if (!setting)
return FALSE;
buf[*len] = setting;
if (last)
buf[*len + 1] = '\0';
else
buf[*len + 1] = ',';
*len += 2;
return TRUE;
}
static gboolean build_cnmi_string(char *buf, int *cnmi_opts,
struct sms_data *data)
{
const char *mode;
int len = sprintf(buf, "AT+CNMI=");
DBG("");
switch (data->vendor) {
case OFONO_VENDOR_GOBI:
case OFONO_VENDOR_QUALCOMM_MSM:
case OFONO_VENDOR_NOVATEL:
case OFONO_VENDOR_HUAWEI:
case OFONO_VENDOR_ZTE:
case OFONO_VENDOR_SIMCOM:
case OFONO_VENDOR_QUECTEL:
case OFONO_VENDOR_QUECTEL_EC2X:
/* MSM devices advertise support for mode 2, but return an
* error if we attempt to actually use it. */
mode = "1";
break;
default:
/* Sounds like 2 is the sanest mode */
mode = "2310";
break;
}
if (!append_cnmi_element(buf, &len, cnmi_opts[0], mode, FALSE))
return FALSE;
/* Prefer to deliver SMS via +CMT if CNMA is supported */
if (!append_cnmi_element(buf, &len, cnmi_opts[1],
data->cnma_enabled ? "21" : "1", FALSE))
return FALSE;
switch (data->vendor) {
case OFONO_VENDOR_GEMALTO:
mode = "0";
break;
default:
/* Sounds like 2 is the sanest mode */
mode = "20";
break;
}
/* Always deliver CB via +CBM, otherwise don't deliver at all */
if (!append_cnmi_element(buf, &len, cnmi_opts[2], mode, FALSE))
return FALSE;
/*
* Some manufacturers seem to have trouble with delivery via +CDS.
* They report the status report properly, however refuse to +CNMA
* ack it with error "CNMA not expected." However, not acking it
* sends the device into la-la land.
*/
switch (data->vendor) {
case OFONO_VENDOR_NOVATEL:
mode = "20";
break;
default:
mode = "120";
break;
}
/*
* Try to deliver Status-Reports via +CDS, then CDSI or don't
* deliver at all
* */
if (!append_cnmi_element(buf, &len, cnmi_opts[3], mode, FALSE))
return FALSE;
/* Don't care about buffering, 0 seems safer */
if (!append_cnmi_element(buf, &len, cnmi_opts[4], "01", TRUE))
return FALSE;
return TRUE;
}
static void construct_ack_pdu(struct sms_data *d)
{
struct sms ackpdu;
unsigned char pdu[164];
int len;
int tpdu_len;
DBG("");
memset(&ackpdu, 0, sizeof(ackpdu));
ackpdu.type = SMS_TYPE_DELIVER_REPORT_ACK;
if (!sms_encode(&ackpdu, &len, &tpdu_len, pdu))
goto err;
/* Constructing an <ackpdu> according to 27.005 Section 4.6 */
if (len != tpdu_len)
goto err;
d->cnma_ack_pdu = l_util_hexstring(pdu, tpdu_len);
if (d->cnma_ack_pdu == NULL)
goto err;
d->cnma_ack_pdu_len = tpdu_len;
return;
err:
ofono_error("Unable to construct Deliver ACK PDU");
}
static void at_cnmi_query_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter;
int cnmi_opts[5]; /* See 27.005 Section 3.4.1 */
int opt;
int mode;
gboolean supported = FALSE;
char buf[128];
if (!ok)
goto out;
memset(cnmi_opts, 0, sizeof(cnmi_opts));
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CNMI:"))
goto out;
for (opt = 0; opt < 5; opt++) {
int min, max;
if (!g_at_result_iter_open_list(&iter))
goto out;
while (g_at_result_iter_next_range(&iter, &min, &max)) {
for (mode = min; mode <= max; mode++)
cnmi_opts[opt] |= 1 << mode;
}
if (!g_at_result_iter_close_list(&iter))
goto out;
}
if (build_cnmi_string(buf, cnmi_opts, data))
supported = TRUE;
/* support for ack pdu is not working */
switch (data->vendor) {
case OFONO_VENDOR_IFX:
case OFONO_VENDOR_GOBI:
case OFONO_VENDOR_ZTE:
case OFONO_VENDOR_ICERA:
case OFONO_VENDOR_HUAWEI:
case OFONO_VENDOR_NOVATEL:
case OFONO_VENDOR_OPTION_HSO:
goto out;
default:
break;
}
if (data->cnma_enabled)
construct_ack_pdu(data);
out:
if (!supported)
return at_sms_not_supported(sms);
g_at_chat_send(data->chat, buf, cnmi_prefix,
at_cnmi_set_cb, sms, NULL);
}
static void at_query_cnmi(struct ofono_sms *sms)
{
struct sms_data *data = ofono_sms_get_data(sms);
g_at_chat_send(data->chat, "AT+CNMI=?", cnmi_prefix,
at_cnmi_query_cb, sms, NULL);
}
static void at_cpms_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
if (ok)
return at_query_cnmi(sms);
data->retries += 1;
if (data->retries == MAX_CPMS_RETRIES) {
ofono_error("Unable to set preferred storage");
return at_sms_not_supported(sms);
}
data->timeout_source = g_timeout_add_seconds(1, set_cpms, sms);
}
static gboolean set_cpms(gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
const char *store = storages[data->store];
const char *incoming = storages[data->incoming];
char buf[128];
if (data->vendor == OFONO_VENDOR_WAVECOM_Q2XXX)
snprintf(buf, sizeof(buf), "AT+CPMS=\"%s\"", store);
else
snprintf(buf, sizeof(buf), "AT+CPMS=\"%s\",\"%s\",\"%s\"",
store, store, incoming);
g_at_chat_send(data->chat, buf, cpms_prefix,
at_cpms_set_cb, sms, NULL);
data->timeout_source = 0;
return FALSE;
}
static void at_cmgf_set_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
if (ok) {
data->retries = 0;
set_cpms(sms);
return;
}
data->retries += 1;
if (data->retries == MAX_CMGF_RETRIES) {
DBG("Unable to enter PDU mode");
return at_sms_not_supported(sms);
}
data->timeout_source = g_timeout_add_seconds(1, set_cmgf, sms);
}
static gboolean set_cmgf(gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
g_at_chat_send(data->chat, "AT+CMGF=0", cmgf_prefix,
at_cmgf_set_cb, sms, NULL);
data->timeout_source = 0;
return FALSE;
}
static void at_cpms_query_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
gboolean supported = FALSE;
if (ok) {
int mem = 0, mem_max;
GAtResultIter iter;
const char *store;
gboolean me_supported[3];
gboolean sm_supported[3];
gboolean mt_supported[3];
memset(me_supported, 0, sizeof(me_supported));
memset(sm_supported, 0, sizeof(sm_supported));
memset(mt_supported, 0, sizeof(mt_supported));
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CPMS:"))
goto out;
if (data->vendor == OFONO_VENDOR_WAVECOM_Q2XXX) {
/* skip initial `(' */
if (!g_at_result_iter_open_list(&iter))
goto out;
/*
* Wavecom Q2 replies: +CPMS: (("SM","BM","SR"),("SM"))
* This reply is broken according to 3GPP TS 07.05.
*/
mem_max = 2;
} else
mem_max = 3;
for (mem = 0; mem < mem_max; mem++) {
if (!g_at_result_iter_open_list(&iter))
goto out;
while (g_at_result_iter_next_string(&iter, &store)) {
if (!strcmp(store, "ME"))
me_supported[mem] = TRUE;
else if (!strcmp(store, "SM"))
sm_supported[mem] = TRUE;
else if (!strcmp(store, "MT"))
mt_supported[mem] = TRUE;
}
if (!g_at_result_iter_close_list(&iter))
goto out;
}
if (data->vendor != OFONO_VENDOR_WAVECOM_Q2XXX &&
!sm_supported[2] && !me_supported[2]
&& !mt_supported[2])
goto out;
if (sm_supported[0] && sm_supported[1]) {
supported = TRUE;
data->store = AT_UTIL_SMS_STORE_SM;
}
if (me_supported[0] && me_supported[1]) {
supported = TRUE;
data->store = AT_UTIL_SMS_STORE_ME;
}
/* This seems to be a special case, where the modem will
* pick & route the SMS to any of the storages supported by
* mem1
*/
if (mt_supported[2] && (sm_supported[0] || me_supported[0]))
data->incoming = AT_UTIL_SMS_STORE_MT;
if (sm_supported[2])
data->incoming = AT_UTIL_SMS_STORE_SM;
if (me_supported[2])
data->incoming = AT_UTIL_SMS_STORE_ME;
}
out:
if (!supported)
return at_sms_not_supported(sms);
set_cmgf(sms);
}
static void at_cmgf_query_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
gboolean supported = FALSE;
if (ok) {
GAtResultIter iter;
int mode;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CMGF:"))
goto out;
if (!g_at_result_iter_open_list(&iter))
goto out;
/* Look for mode 0 (PDU mode) */
while (g_at_result_iter_next_number(&iter, &mode))
if (mode == 0)
supported = TRUE;
}
out:
if (!supported)
return at_sms_not_supported(sms);
g_at_chat_send(data->chat, "AT+CPMS=?", cpms_prefix,
at_cpms_query_cb, sms, NULL);
}
static void at_csms_status_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
gboolean supported = FALSE;
if (ok) {
GAtResultIter iter;
int service;
int mt;
int mo;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CSMS:"))
goto out;
switch (data->vendor) {
case OFONO_VENDOR_HUAWEI:
case OFONO_VENDOR_NOVATEL:
g_at_result_iter_skip_next(&iter);
service = 0;
break;
default:
if (!g_at_result_iter_next_number(&iter, &service))
goto out;
break;
}
if (!g_at_result_iter_next_number(&iter, &mt))
goto out;
if (!g_at_result_iter_next_number(&iter, &mo))
goto out;
if (service == 1 || service == 128)
data->cnma_enabled = TRUE;
if (mt == 1 && mo == 1)
supported = TRUE;
}
out:
if (!supported)
return at_sms_not_supported(sms);
/* Now query supported text format */
g_at_chat_send(data->chat, "AT+CMGF=?", cmgf_prefix,
at_cmgf_query_cb, sms, NULL);
}
static void at_csms_set_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
g_at_chat_send(data->chat, "AT+CSMS?", csms_prefix,
at_csms_status_cb, sms, NULL);
}
static void at_csms_query_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_sms *sms = user_data;
struct sms_data *data = ofono_sms_get_data(sms);
GAtResultIter iter;
int status_min, status_max;
char buf[128];
int csms = 0;
if (!ok)
return at_sms_not_supported(sms);
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CSMS:"))
goto out;
if (!g_at_result_iter_open_list(&iter))
goto out;
switch (data->vendor) {
case OFONO_VENDOR_QUECTEL_SERIAL:
g_at_result_iter_next_number(&iter, &status_min);
g_at_result_iter_next_number(&iter, &status_max);
if (status_min <= 1 && 1 <= status_max)
csms = 128;
break;
default:
while (g_at_result_iter_next_range(&iter, &status_min,
&status_max))
if (status_min <= 1 && 1 <= status_max)
csms = 1;
break;
}
DBG("CSMS query parsed successfully");
out:
snprintf(buf, sizeof(buf), "AT+CSMS=%d", csms);
g_at_chat_send(data->chat, buf, csms_prefix,
at_csms_set_cb, sms, NULL);
}
static int at_sms_probe(struct ofono_sms *sms, unsigned int vendor,
void *user)
{
GAtChat *chat = user;
struct sms_data *data;
data = g_new0(struct sms_data, 1);
data->chat = g_at_chat_clone(chat);
data->vendor = vendor;
ofono_sms_set_data(sms, data);
g_at_chat_send(data->chat, "AT+CSMS=?", csms_prefix,
at_csms_query_cb, sms, NULL);
return 0;
}
static void at_sms_remove(struct ofono_sms *sms)
{
struct sms_data *data = ofono_sms_get_data(sms);
l_free(data->cnma_ack_pdu);
if (data->timeout_source > 0)
g_source_remove(data->timeout_source);
g_at_chat_unref(data->chat);
g_free(data);
ofono_sms_set_data(sms, NULL);
}
static const struct ofono_sms_driver driver = {
.name = "atmodem",
.probe = at_sms_probe,
.remove = at_sms_remove,
.sca_query = at_csca_query,
.sca_set = at_csca_set,
.submit = at_cmgs,
.bearer_query = at_cgsms_query,
.bearer_set = at_cgsms_set,
};
void at_sms_init(void)
{
ofono_sms_driver_register(&driver);
}
void at_sms_exit(void)
{
ofono_sms_driver_unregister(&driver);
}
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