blob: ccce6a4d554571514f615cbe6d44b7daf3e9cfa6 [file] [log] [blame]
/*
*
* 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 <errno.h>
#include <glib.h>
#include <ell/ell.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/phonebook.h>
#include "util.h"
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
#include "vendor.h"
#define INDEX_INVALID -1
#define CHARSET_UTF8 1
#define CHARSET_UCS2 2
#define CHARSET_IRA 4
#define CHARSET_SUPPORT (CHARSET_UTF8 | CHARSET_UCS2)
static const char *none_prefix[] = { NULL };
static const char *cpbr_prefix[] = { "+CPBR:", NULL };
static const char *cscs_prefix[] = { "+CSCS:", NULL };
static const char *cpbs_prefix[] = { "+CPBS:", NULL };
struct pb_data {
int index_min, index_max;
char *old_charset;
int supported;
GAtChat *chat;
unsigned int vendor;
guint poll_source;
guint poll_count;
guint ready_id;
};
static void warn_bad(void)
{
ofono_warn("Name field conversion to UTF8 failed, this can indicate a"
" problem with modem integration, as this field"
" is required by 27.007.");
}
static gboolean parse_text(GAtResultIter *iter, char **str, int encoding)
{
const char *string;
const guint8 *hex;
int len;
char *utf8;
/* charset_current is CHARSET_UCS2, CHARSET_IRA or CHARSET_UTF8 */
if (encoding == CHARSET_UCS2) {
/*
* Some devices omit the quotes, so use next_hexstring,
* which handles quoted or unquoted hex strings
*/
if (g_at_result_iter_next_hexstring(iter, &hex, &len) == FALSE)
return FALSE;
utf8 = l_utf8_from_ucs2be(hex, len);
if (!utf8)
return FALSE;
*str = utf8;
return TRUE;
}
/*
* In the case of IRA charset, assume these are Latin1
* characters, same as in UTF8
*/
if (g_at_result_iter_next_string(iter, &string)) {
*str = l_strdup(string);
return TRUE;
}
return FALSE;
}
static const char *best_charset(int supported)
{
const char *charset = "Invalid";
if (supported & CHARSET_IRA)
charset = "IRA";
if (supported & CHARSET_UCS2)
charset = "UCS2";
if (supported & CHARSET_UTF8)
charset = "UTF-8";
return charset;
}
static void at_cpbr_notify(GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
GAtResultIter iter;
int current;
if (pbd->supported & CHARSET_IRA)
current = CHARSET_IRA;
if (pbd->supported & CHARSET_UCS2)
current = CHARSET_UCS2;
if (pbd->supported & CHARSET_UTF8)
current = CHARSET_UTF8;
g_at_result_iter_init(&iter, result);
while (g_at_result_iter_next(&iter, "+CPBR:")) {
int index;
const char *number;
int type;
char *text;
int hidden = -1;
char *group = NULL;
const char *adnumber = NULL;
int adtype = -1;
char *secondtext = NULL;
char *email = NULL;
char *sip_uri = NULL;
char *tel_uri = NULL;
if (!g_at_result_iter_next_number(&iter, &index))
continue;
if (!g_at_result_iter_next_string(&iter, &number))
continue;
if (!g_at_result_iter_next_number(&iter, &type))
continue;
if (!parse_text(&iter, &text, current)) {
warn_bad();
continue;
}
g_at_result_iter_next_number_default(&iter, 0, &hidden);
parse_text(&iter, &group, current);
g_at_result_iter_next_string(&iter, &adnumber);
g_at_result_iter_next_number_default(&iter, 0, &adtype);
parse_text(&iter, &secondtext, current);
parse_text(&iter, &email, current);
parse_text(&iter, &sip_uri, current);
parse_text(&iter, &tel_uri, current);
ofono_phonebook_entry(pb, index, number, type,
text, hidden, group, adnumber,
adtype, secondtext, email,
sip_uri, tel_uri);
l_free(text);
l_free(group);
l_free(secondtext);
l_free(email);
l_free(sip_uri);
l_free(tel_uri);
}
}
static void export_failed(struct cb_data *cbd)
{
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
ofono_phonebook_cb_t cb = cbd->cb;
CALLBACK_WITH_FAILURE(cb, cbd->data);
g_free(cbd);
if (pbd->old_charset) {
g_free(pbd->old_charset);
pbd->old_charset = NULL;
}
}
static void at_read_entries_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
ofono_phonebook_cb_t cb = cbd->cb;
const char *charset;
struct ofono_error error;
char buf[32];
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
g_free(cbd);
charset = best_charset(pbd->supported);
if (strcmp(pbd->old_charset, charset)) {
snprintf(buf, sizeof(buf), "AT+CSCS=\"%s\"", pbd->old_charset);
g_at_chat_send(pbd->chat, buf, none_prefix, NULL, NULL, NULL);
}
g_free(pbd->old_charset);
pbd->old_charset = NULL;
}
static void at_read_entries(struct cb_data *cbd)
{
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
char buf[32];
snprintf(buf, sizeof(buf), "AT+CPBR=%d,%d",
pbd->index_min, pbd->index_max);
if (g_at_chat_send_listing(pbd->chat, buf, cpbr_prefix,
at_cpbr_notify, at_read_entries_cb,
cbd, NULL) > 0)
return;
/* If we get here, then most likely connection to the modem dropped
* and we can't really restore the charset anyway
*/
export_failed(cbd);
}
static void at_set_charset_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
if (!ok) {
export_failed(cbd);
return;
}
at_read_entries(cbd);
}
static void at_read_charset_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
GAtResultIter iter;
const char *charset;
char buf[32];
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CSCS:"))
goto error;
g_at_result_iter_next_string(&iter, &charset);
pbd->old_charset = g_strdup(charset);
charset = best_charset(pbd->supported);
if (!strcmp(pbd->old_charset, charset)) {
at_read_entries(cbd);
return;
}
snprintf(buf, sizeof(buf), "AT+CSCS=\"%s\"", charset);
if (g_at_chat_send(pbd->chat, buf, none_prefix,
at_set_charset_cb, cbd, NULL) > 0)
return;
error:
export_failed(cbd);
}
static void at_list_indices_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
GAtResultIter iter;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CPBR:"))
goto error;
if (!g_at_result_iter_open_list(&iter))
goto error;
/* Retrieve index_min and index_max from indices
* which seems like "(1-150),32,16"
*/
if (!g_at_result_iter_next_range(&iter, &pbd->index_min,
&pbd->index_max))
goto error;
if (!g_at_result_iter_close_list(&iter))
goto error;
if (g_at_chat_send(pbd->chat, "AT+CSCS?", cscs_prefix,
at_read_charset_cb, cbd, NULL) > 0)
return;
error:
export_failed(cbd);
}
static void at_select_storage_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct cb_data *cbd = user_data;
struct ofono_phonebook *pb = cbd->user;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
if (!ok)
goto error;
if (g_at_chat_send(pbd->chat, "AT+CPBR=?", cpbr_prefix,
at_list_indices_cb, cbd, NULL) > 0)
return;
error:
export_failed(cbd);
}
static void at_export_entries(struct ofono_phonebook *pb, const char *storage,
ofono_phonebook_cb_t cb, void *data)
{
struct pb_data *pbd = ofono_phonebook_get_data(pb);
struct cb_data *cbd = cb_data_new(cb, data);
char buf[32];
cbd->user = pb;
snprintf(buf, sizeof(buf), "AT+CPBS=\"%s\"", storage);
if (g_at_chat_send(pbd->chat, buf, none_prefix,
at_select_storage_cb, cbd, NULL) > 0)
return;
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static void phonebook_not_supported(struct ofono_phonebook *pb)
{
ofono_error("Phonebook not supported by this modem. If this is in "
"error please submit patches to support this hardware");
ofono_phonebook_remove(pb);
}
static void at_list_storages_cb(gboolean ok, GAtResult *result,
gpointer user_data);
static gboolean cpbs_support_check(gpointer user_data)
{
struct ofono_phonebook *pb = user_data;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
pbd->poll_source = 0;
if (g_at_chat_send(pbd->chat, "AT+CPBS=?", cpbs_prefix,
at_list_storages_cb, pb, NULL) > 0)
return FALSE;
phonebook_not_supported(pb);
return FALSE;
}
static void ifx_pbready_notify(GAtResult *result, gpointer user_data)
{
struct ofono_phonebook *pb = user_data;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
g_at_chat_unregister(pbd->chat, pbd->ready_id);
pbd->ready_id = 0;
cpbs_support_check(pb);
}
static void at_list_storages_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_phonebook *pb = user_data;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
struct ofono_error error;
gboolean sm_supported = FALSE;
gboolean me_supported = FALSE;
gboolean in_list = FALSE;
GAtResultIter iter;
const char *storage;
decode_at_error(&error, g_at_result_final_response(result));
switch (error.type) {
case OFONO_ERROR_TYPE_NO_ERROR:
break;
case OFONO_ERROR_TYPE_CME:
/* Check for SIM busy - try again later */
if (error.error == 14) {
if (pbd->poll_count++ < 12) {
pbd->poll_source = g_timeout_add_seconds(5,
cpbs_support_check, pb);
return;
}
}
/* fall through */
default:
goto error;
}
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CPBS:"))
goto error;
/* Some modems don't report CPBS in a proper list */
if (g_at_result_iter_open_list(&iter))
in_list = TRUE;
while (g_at_result_iter_next_string(&iter, &storage)) {
if (!strcmp(storage, "ME"))
me_supported = TRUE;
else if (!strcmp(storage, "SM"))
sm_supported = TRUE;
}
if (in_list && !g_at_result_iter_close_list(&iter))
goto vendor;
if (!me_supported && !sm_supported)
goto vendor;
ofono_phonebook_register(pb);
return;
vendor:
switch (pbd->vendor) {
case OFONO_VENDOR_IFX:
pbd->ready_id = g_at_chat_register(pbd->chat, "+PBREADY",
ifx_pbready_notify, FALSE, pb, NULL);
return;
}
error:
phonebook_not_supported(pb);
}
static void at_list_charsets_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_phonebook *pb = user_data;
struct pb_data *pbd = ofono_phonebook_get_data(pb);
gboolean in_list = FALSE;
GAtResultIter iter;
const char *charset;
if (!ok)
goto error;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "+CSCS:"))
goto error;
/* Some modems don't report CSCS in a proper list */
if (g_at_result_iter_open_list(&iter))
in_list = TRUE;
while (g_at_result_iter_next_string(&iter, &charset)) {
if (!strcmp(charset, "UTF-8"))
pbd->supported |= CHARSET_UTF8;
else if (!strcmp(charset, "UCS2"))
pbd->supported |= CHARSET_UCS2;
else if (!strcmp(charset, "IRA"))
pbd->supported |= CHARSET_IRA;
}
if (in_list && !g_at_result_iter_close_list(&iter))
goto error;
if (!(pbd->supported & CHARSET_SUPPORT)) {
/* Some modems, like the Google G1, do not support UCS2 or UTF8
* Such modems are effectively junk, but we can still get some
* useful information out of them by using IRA charset, which
* is essentially Latin1. Still, all bets are off if a SIM
* with UCS2 encoded entries is present.
*/
if (pbd->supported & CHARSET_IRA) {
ofono_error("This modem does not support UCS2 or UTF8 "
"character sets. This means no i18n "
"phonebook is possible on this modem,"
" if this is in error, submit patches "
"to properly support this hardware");
} else {
goto error;
}
}
pbd->poll_count = 0;
cpbs_support_check(pb);
return;
error:
phonebook_not_supported(pb);
}
static void at_list_charsets(struct ofono_phonebook *pb)
{
struct pb_data *pbd = ofono_phonebook_get_data(pb);
if (g_at_chat_send(pbd->chat, "AT+CSCS=?", cscs_prefix,
at_list_charsets_cb, pb, NULL) > 0)
return;
phonebook_not_supported(pb);
}
static int at_phonebook_probe(struct ofono_phonebook *pb, unsigned int vendor,
void *data)
{
GAtChat *chat = data;
struct pb_data *pbd;
pbd = g_try_new0(struct pb_data, 1);
if (pbd == NULL)
return -ENOMEM;
pbd->chat = g_at_chat_clone(chat);
pbd->vendor = vendor;
ofono_phonebook_set_data(pb, pbd);
at_list_charsets(pb);
return 0;
}
static void at_phonebook_remove(struct ofono_phonebook *pb)
{
struct pb_data *pbd = ofono_phonebook_get_data(pb);
if (pbd->poll_source > 0)
g_source_remove(pbd->poll_source);
if (pbd->old_charset)
g_free(pbd->old_charset);
ofono_phonebook_set_data(pb, NULL);
g_at_chat_unref(pbd->chat);
g_free(pbd);
}
static const struct ofono_phonebook_driver driver = {
.name = "atmodem",
.probe = at_phonebook_probe,
.remove = at_phonebook_remove,
.export_entries = at_export_entries
};
void at_phonebook_init(void)
{
ofono_phonebook_driver_register(&driver);
}
void at_phonebook_exit(void)
{
ofono_phonebook_driver_unregister(&driver);
}