Add atmodem SIM-related operations

drivers/Makefile.am

@@ -8,7 +8,7 @@ builtin_sources += atmodem/atmodem.c atmodem/at.h \
 			atmodem/session.h atmodem/session.c \
 			atmodem/call-settings.c atmodem/call-waiting.c \
 			atmodem/call-forwarding.c atmodem/call-meter.c \
-			atmodem/network-registration.c \
+			atmodem/network-registration.c atmodem/sim.c \
 			atmodem/ussd.c atmodem/voicecall.c \
 			atmodem/call-barring.c
 

drivers/atmodem/at.h

@@ -90,3 +90,6 @@ extern void at_call_meter_exit(struct ofono_modem *modem);
 
 extern void at_call_barring_init(struct ofono_modem *modem);
 extern void at_call_barring_exit(struct ofono_modem *modem);
+
+extern void at_sim_init(struct ofono_modem *modem);
+extern void at_sim_exit(struct ofono_modem *modem);

drivers/atmodem/atmodem.c

@@ -110,6 +110,7 @@ static void manager_free(gpointer user)
 		at_ussd_exit(at->modem);
 		at_call_meter_exit(at->modem);
 		at_call_barring_exit(at->modem);
+		at_sim_exit(at->modem);
 		ofono_modem_unregister(at->modem);
 
 		at_destroy(at);
@@ -344,6 +345,7 @@ static void create_cb(GIOChannel *io, gboolean success, gpointer user)
 	at_voicecall_init(at->modem);
 	at_call_meter_init(at->modem);
 	at_call_barring_init(at->modem);
+	at_sim_init(at->modem);
 
 	at->io = io;
 	at->driver = g_strdup(driver);

drivers/atmodem/sim.c

@@ -0,0 +1,325 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  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
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include "driver.h"
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "at.h"
+
+static const char *crsm_prefix[] = { "+CRSM:", NULL };
+static const char *empty_prefix[] = { "", NULL };
+static const char *cnum_prefix[] = { "+CNUM:", NULL };
+
+static void at_crsm_len_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	GAtResultIter iter;
+	ofono_sim_file_len_cb_t cb = cbd->cb;
+	gint sw1, len;
+	struct ofono_error error;
+
+	dump_response("at_crsm_len_cb", ok, result);
+	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, "+CRSM:")) {
+		DECLARE_FAILURE(e);
+
+		cb(&e, -1, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_next_number(&iter, &sw1);
+	g_at_result_iter_next_number(&iter, &len);
+
+	ofono_debug("crsm_len_cb: %i, %i", sw1, len);
+
+	if (sw1 != 0x67) {
+		DECLARE_FAILURE(e);
+
+		cb(&e, -1, cbd->data);
+		return;
+	}
+
+	cb(&error, len, cbd->data);
+}
+
+static void at_sim_read_file_len(struct ofono_modem *modem, int fileid,
+					ofono_sim_file_len_cb_t cb,
+					void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+	char buf[64];
+
+	if (!cbd)
+		goto error;
+
+	snprintf(buf, sizeof(buf), "AT+CRSM=176,%i,0,0,0", fileid);
+	if (g_at_chat_send(at->parser, buf, crsm_prefix,
+				at_crsm_len_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, -1, data);
+	}
+}
+
+static void at_crsm_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	GAtResultIter iter;
+	ofono_sim_read_cb_t cb = cbd->cb;
+	struct ofono_error error;
+	const guint8 *response;
+	gint sw1, sw2, len;
+
+	dump_response("at_crsm_cb", ok, result);
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	if (!ok) {
+		cb(&error, NULL, 0, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_init(&iter, result);
+
+	if (!g_at_result_iter_next(&iter, "+CRSM:")) {
+		DECLARE_FAILURE(e);
+
+		cb(&e, NULL, 0, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_next_number(&iter, &sw1);
+	g_at_result_iter_next_number(&iter, &sw2);
+	if (!g_at_result_iter_next_hexstring(&iter, &response, &len) ||
+		(sw1 != 0x90 && sw1 != 0x91 && sw1 != 0x92) ||
+		(sw1 == 0x90 && sw2 != 0x00)) {
+		DECLARE_FAILURE(e);
+
+		cb(&e, NULL, 0, cbd->data);
+		return;
+	}
+
+	ofono_debug("crsm_cb: %02x, %02x, %d", sw1, sw2, len);
+
+	cb(&error, response, len, cbd->data);
+}
+
+static void at_sim_read_file(struct ofono_modem *modem, int fileid, int start,
+					int length, ofono_sim_read_cb_t cb,
+					void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+	char buf[64];
+
+	if (!cbd)
+		goto error;
+
+	snprintf(buf, sizeof(buf), "AT+CRSM=176,%i,%i,%i,%i", fileid,
+			start >> 8, start & 0xff, length);
+	if (g_at_chat_send(at->parser, buf, crsm_prefix,
+				at_crsm_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, NULL, 0, data);
+	}
+}
+
+static void at_cimi_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	GAtResultIter iter;
+	ofono_imsi_cb_t cb = cbd->cb;
+	struct ofono_error error;
+	const char *imsi;
+
+	dump_response("at_cimi_cb", ok, result);
+	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);
+	g_at_result_iter_next(&iter, "");
+
+	imsi = g_at_result_iter_raw_line(&iter);
+	if (imsi == NULL) {
+		DECLARE_FAILURE(e);
+		cb(&e, NULL, cbd->data);
+		return;
+	}
+
+	ofono_debug("cimi_cb: %s", imsi);
+
+	cb(&error, imsi, cbd->data);
+}
+
+static void at_read_imsi(struct ofono_modem *modem, ofono_imsi_cb_t cb,
+			void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+
+	if (!cbd)
+		goto error;
+
+	if (g_at_chat_send(at->parser, "AT+CIMI", empty_prefix,
+				at_cimi_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, NULL, data);
+	}
+}
+
+static void at_cnum_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	GAtResultIter iter;
+	ofono_numbers_cb_t cb = cbd->cb;
+	struct ofono_error error;
+	struct ofono_own_number *numbers;
+	GSList *l = NULL;
+	int count;
+	const char *str;
+
+	dump_response("at_cnum_cb", ok, result);
+	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);
+
+	for (count = 0; g_at_result_iter_next(&iter, "+CNUM:"); count++);
+	ofono_debug("Got %i elements", count);
+
+	numbers = g_try_new0(struct ofono_own_number, count);
+	if (!numbers) {
+		DECLARE_FAILURE(e);
+		cb(&e, NULL, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_init(&iter, result);
+
+	for (count = 0; g_at_result_iter_next(&iter, "+CNUM:"); count++) {
+		g_at_result_iter_skip_next(&iter);
+
+		if (!g_at_result_iter_next_string(&iter, &str))
+			continue;
+
+		g_strlcpy(numbers[count].phone_number, str,
+				OFONO_MAX_PHONE_NUMBER_LENGTH);
+
+		g_at_result_iter_next_number(&iter,
+				&numbers[count].number_type);
+
+		l = g_slist_append(l, &numbers[count]);
+	}
+
+	cb(&error, l, cbd->data);
+
+	g_free(numbers);
+	g_slist_free(l);
+}
+
+static void at_read_msisdn(struct ofono_modem *modem, ofono_numbers_cb_t cb,
+			void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+
+	if (!cbd)
+		goto error;
+
+	if (g_at_chat_send(at->parser, "AT+CNUM", cnum_prefix,
+				at_cnum_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, NULL, data);
+	}
+}
+
+static struct ofono_sim_ops ops = {
+	.read_file_len 		= at_sim_read_file_len,
+	.read_file 		= at_sim_read_file,
+	.read_imsi		= at_read_imsi,
+	.read_own_numbers	= at_read_msisdn,
+};
+
+void at_sim_init(struct ofono_modem *modem)
+{
+	ofono_sim_manager_register(modem, &ops);
+}
+
+void at_sim_exit(struct ofono_modem *modem)
+{
+	ofono_sim_manager_unregister(modem);
+}