---
drivers/atmodem/ussd.c | 115 ++++++++++++++++++++++++++++-------------------
drivers/isimodem/ussd.c | 42 +++--------------
include/ussd.h | 8 ++-
src/ussd.c | 39 +++++++++++++---
4 files changed, 115 insertions(+), 89 deletions(-)
diff --git a/drivers/atmodem/ussd.c b/drivers/atmodem/ussd.c
index 30145ad..685bc9b 100644
--- a/drivers/atmodem/ussd.c
+++ b/drivers/atmodem/ussd.c
@@ -65,15 +65,17 @@ static void read_charset_cb(gboolean ok, GAtResult *result,
static void cusd_parse(GAtResult *result, struct ofono_ussd *ussd)
{
+ struct ussd_data *data = ofono_ussd_get_data(ussd);
GAtResultIter iter;
int status;
int dcs;
- const char *content;
- char *converted = NULL;
- gboolean udhi;
+ const char *content = NULL;
enum sms_charset charset;
- gboolean compressed;
- gboolean iso639;
+ unsigned char msg[160];
+ const unsigned char *msg_ptr = NULL;
+ unsigned char *converted = NULL;
+ long written;
+ long msg_len = 0;
g_at_result_iter_init(&iter, result);
@@ -86,34 +88,50 @@ static void cusd_parse(GAtResult *result, struct ofono_ussd
*ussd)
if (!g_at_result_iter_next_string(&iter, &content))
goto out;
- if (g_at_result_iter_next_number(&iter, &dcs)) {
- if (!cbs_dcs_decode(dcs, &udhi, NULL, &charset,
- &compressed, NULL, &iso639))
- goto out;
+ if (!g_at_result_iter_next_number(&iter, &dcs))
+ dcs = 0;
- if (udhi || compressed || iso639)
- goto out;
- } else
- charset = SMS_CHARSET_7BIT;
-
- if (charset == SMS_CHARSET_7BIT)
- converted = convert_gsm_to_utf8((const guint8 *) content,
- strlen(content), NULL, NULL, 0);
-
- else if (charset == SMS_CHARSET_8BIT) {
- /* TODO: Figure out what to do with 8 bit data */
- ofono_error("8-bit coded USSD response received");
- status = 4; /* Not supported */
- } else {
- /* No other encoding is mentioned in TS27007 7.15 */
+ if (!cbs_dcs_decode(dcs, NULL, NULL, &charset, NULL, NULL, NULL)) {
ofono_error("Unsupported USSD data coding scheme (%02x)", dcs);
status = 4; /* Not supported */
+ goto out;
}
-out:
- ofono_ussd_notify(ussd, status, converted);
+ switch (charset) {
+ case SMS_CHARSET_7BIT:
+ if (data->charset == AT_UTIL_CHARSET_GSM)
+ msg_ptr = pack_7bit_own_buf((const guint8 *) content,
+ strlen(content), 0, TRUE, &msg_len, 0,
msg);
+ else if (data->charset == AT_UTIL_CHARSET_UTF8)
+ ussd_encode(content, &msg_len, msg);
+ else if (data->charset == AT_UTIL_CHARSET_UCS2) {
+ msg_ptr = decode_hex_own_buf(content, -1, &msg_len, 0,
msg);
+
+ converted = convert_ucs2_to_gsm(msg_ptr, msg_len, NULL,
+ &written, 0);
+ if (!converted) {
+ msg_ptr = NULL;
+ msg_len = 0;
+ goto out;
+ }
+
+ msg_ptr = pack_7bit_own_buf(converted,
+ written, 0, TRUE,
+ &msg_len, 0, msg);
+
+ g_free(converted);
+ }
+ break;
+ case SMS_CHARSET_8BIT:
+ msg_ptr = decode_hex_own_buf(content, -1, &msg_len, 0, msg);
+ break;
+ case SMS_CHARSET_UCS2:
+ msg_ptr = decode_hex_own_buf(content, -1, &msg_len, 0, msg);
+ break;
+ }
- g_free(converted);
+out:
+ ofono_ussd_notify(ussd, status, dcs, msg_ptr, msg_len);
}
static void cusd_request_cb(gboolean ok, GAtResult *result, gpointer user_data)
@@ -130,39 +148,45 @@ static void cusd_request_cb(gboolean ok, GAtResult
*result, gpointer user_data)
cusd_parse(result, ussd);
}
-static void at_ussd_request(struct ofono_ussd *ussd, const char *str,
+static void at_ussd_request(struct ofono_ussd *ussd, int dcs,
+ const unsigned char *pdu, int len,
ofono_ussd_cb_t cb, void *user_data)
{
struct ussd_data *data = ofono_ussd_get_data(ussd);
struct cb_data *cbd = cb_data_new(cb, user_data);
- unsigned char *converted = NULL;
- int dcs;
- int max_len;
- long written;
char buf[256];
+ unsigned char unpacked_buf[182];
+ char coded_buf[160];
+ char *converted;
+ long written;
+ enum sms_charset charset;
if (!cbd)
goto error;
cbd->user = ussd;
- converted = convert_utf8_to_gsm(str, strlen(str), NULL, &written, 0);
-
- if (!converted)
+ if (!cbs_dcs_decode(dcs, NULL, NULL, &charset,
+ NULL, NULL, NULL))
goto error;
- else {
- dcs = 15;
- max_len = 182;
- }
- if (written > max_len)
- goto error;
+ if (charset == SMS_CHARSET_7BIT) {
+ unpack_7bit_own_buf(pdu, len, 0, TRUE, sizeof(unpacked_buf),
+ &written, 0, unpacked_buf);
- snprintf(buf, sizeof(buf), "AT+CUSD=1,\"%.*s\",%d",
- (int) written, converted, dcs);
+ if (written < 1)
+ goto error;
- g_free(converted);
- converted = NULL;
+ snprintf(buf, sizeof(buf), "AT+CUSD=1,\"%.*s\",%d",
+ (int) written, unpacked_buf, dcs);
+ } else {
+ converted = encode_hex_own_buf(pdu, len, 0, coded_buf);
+ if (!converted)
+ goto error;
+
+ snprintf(buf, sizeof(buf), "AT+CUSD=1,\"%.*s\",%d",
+ strlen(converted), converted, dcs);
+ }
if (data->vendor == OFONO_VENDOR_QUALCOMM_MSM) {
/* Ensure that the modem is using GSM character set. It
@@ -179,7 +203,6 @@ static void at_ussd_request(struct ofono_ussd *ussd, const
char *str,
error:
g_free(cbd);
- g_free(converted);
CALLBACK_WITH_FAILURE(cb, user_data);
}
diff --git a/drivers/isimodem/ussd.c b/drivers/isimodem/ussd.c
index 330a141..19ba30e 100644
--- a/drivers/isimodem/ussd.c
+++ b/drivers/isimodem/ussd.c
@@ -74,24 +74,14 @@ static void ussd_parse(struct ofono_ussd *ussd, const void
*restrict data,
{
const unsigned char *msg = data;
int status = OFONO_USSD_STATUS_NOT_SUPPORTED;
- char *converted = NULL;
if (!msg || len < 4)
- goto out;
+ ofono_ussd_notify(ussd, status, 0, NULL, 0);
status = isi_type_to_status(msg[2]);
if (msg[3] == 0 || (size_t)(msg[3] + 4) > len)
- goto out;
-
- converted = ussd_decode(msg[1], msg[3], msg + 4);
-
- if (converted)
- status = OFONO_USSD_STATUS_NOTIFY;
-
-out:
- ofono_ussd_notify(ussd, status, converted);
- g_free(converted);
+ ofono_ussd_notify(ussd, status, msg[1], msg + 4, msg[3]);
}
@@ -129,7 +119,7 @@ error:
}
static GIsiRequest *ussd_send(GIsiClient *client,
- uint8_t *str, size_t len,
+ int dcs, uint8_t *str, size_t len,
void *data, GDestroyNotify notify)
{
const uint8_t msg[] = {
@@ -138,7 +128,7 @@ static GIsiRequest *ussd_send(GIsiClient *client,
0x01, /* subblock count */
SS_GSM_USSD_STRING,
4 + len + 3, /* subblock length */
- 0x0f, /* DCS */
+ dcs, /* DCS */
len, /* string length */
/* USSD string goes here */
};
@@ -152,33 +142,17 @@ static GIsiRequest *ussd_send(GIsiClient *client,
ussd_send_resp_cb, data, notify);
}
-static void isi_request(struct ofono_ussd *ussd, const char *str,
- ofono_ussd_cb_t cb, void *data)
+static void isi_request(struct ofono_ussd *ussd, int dcs,
+ const unsigned char *pdu, int len,
+ ofono_ussd_cb_t cb, void *data)
{
struct ussd_data *ud = ofono_ussd_get_data(ussd);
struct isi_cb_data *cbd = isi_cb_data_new(ussd, cb, data);
- unsigned char buf[256];
- unsigned char *packed = NULL;
- unsigned char *converted = NULL;
- long num_packed;
- long written;
if (!cbd)
goto error;
- converted = convert_utf8_to_gsm(str, strlen(str), NULL, &written, 0);
- if (!converted)
- goto error;
-
- packed = pack_7bit_own_buf(converted, written, 0, TRUE,
- &num_packed, 0, buf);
-
- g_free(converted);
-
- if (written > SS_MAX_USSD_LENGTH)
- goto error;
-
- if (ussd_send(ud->client, packed, num_packed, cbd, g_free))
+ if (ussd_send(ud->client, dcs, (guint8 *) pdu, len, cbd, g_free))
return;
error:
diff --git a/include/ussd.h b/include/ussd.h
index 96e04cb..360ef00 100644
--- a/include/ussd.h
+++ b/include/ussd.h
@@ -45,13 +45,15 @@ struct ofono_ussd_driver {
const char *name;
int (*probe)(struct ofono_ussd *ussd, unsigned int vendor, void *data);
void (*remove)(struct ofono_ussd *ussd);
- void (*request)(struct ofono_ussd *ussd, const char *str,
- ofono_ussd_cb_t, void *data);
+ void (*request)(struct ofono_ussd *ussd, int dcs,
+ const unsigned char *pdu, int len,
+ ofono_ussd_cb_t, void *data);
void (*cancel)(struct ofono_ussd *ussd,
ofono_ussd_cb_t cb, void *data);
};
-void ofono_ussd_notify(struct ofono_ussd *ussd, int status, const char *str);
+void ofono_ussd_notify(struct ofono_ussd *ussd, int status, int dcs,
+ const unsigned char *data, int data_len);
int ofono_ussd_driver_register(const struct ofono_ussd_driver *d);
void ofono_ussd_driver_unregister(const struct ofono_ussd_driver *d);
diff --git a/src/ussd.c b/src/ussd.c
index fbb07d2..f89345a 100644
--- a/src/ussd.c
+++ b/src/ussd.c
@@ -34,8 +34,11 @@
#include "ofono.h"
#include "common.h"
+#include "smsutil.h"
+#include "util.h"
#define SUPPLEMENTARY_SERVICES_INTERFACE "org.ofono.SupplementaryServices"
+#define MAX_USSD_LENGTH 160
static GSList *g_drivers = NULL;
@@ -317,10 +320,13 @@ static void ussd_change_state(struct ofono_ussd *ussd,
int state)
"State", DBUS_TYPE_STRING, &value);
}
-void ofono_ussd_notify(struct ofono_ussd *ussd, int status, const char *str)
+void ofono_ussd_notify(struct ofono_ussd *ussd, int status, int dcs,
+ const unsigned char *data, int data_len)
{
DBusConnection *conn = ofono_dbus_get_connection();
const char *ussdstr = "USSD";
+ char *utf8_str = NULL;
+ const char *str;
const char sig[] = { DBUS_TYPE_STRING, 0 };
DBusMessage *reply;
DBusMessageIter iter;
@@ -346,6 +352,11 @@ void ofono_ussd_notify(struct ofono_ussd *ussd, int
status, const char *str)
goto out;
}
+ if (data && data_len > 0)
+ utf8_str = ussd_decode(dcs, data_len, data);
+
+ str = utf8_str;
+
/* TODO: Rework this in the Agent framework */
if (ussd->state == USSD_STATE_ACTIVE) {
@@ -406,12 +417,12 @@ void ofono_ussd_notify(struct ofono_ussd *ussd, int
status, const char *str)
DBUS_TYPE_STRING, &str, DBUS_TYPE_INVALID);
ussd_change_state(ussd, new_state);
- return;
+ goto free;
} else {
ofono_error("Received an unsolicited USSD but can't handle.");
DBG("USSD is: status: %d, %s", status, str);
- return;
+ goto free;
}
out:
@@ -419,6 +430,9 @@ out:
dbus_message_unref(ussd->pending);
ussd->pending = NULL;
+
+free:
+ g_free(utf8_str);
}
static void ussd_callback(const struct ofono_error *error, void *data)
@@ -447,6 +461,9 @@ static DBusMessage *ussd_initiate(DBusConnection *conn,
DBusMessage *msg,
{
struct ofono_ussd *ussd = data;
const char *str;
+ int dcs = 0x0f;
+ unsigned char buf[160];
+ long num_packed;
if (ussd->pending)
return __ofono_error_busy(msg);
@@ -469,14 +486,17 @@ static DBusMessage *ussd_initiate(DBusConnection *conn,
DBusMessage *msg,
if (!valid_ussd_string(str))
return __ofono_error_invalid_format(msg);
- DBG("OK, running USSD request");
+ if (!ussd_encode(str, &num_packed, buf))
+ return __ofono_error_invalid_format(msg);
if (!ussd->driver->request)
return __ofono_error_not_implemented(msg);
+ DBG("OK, running USSD request");
+
ussd->pending = dbus_message_ref(msg);
- ussd->driver->request(ussd, str, ussd_callback, ussd);
+ ussd->driver->request(ussd, dcs, buf, num_packed, ussd_callback, ussd);
return NULL;
}
@@ -507,6 +527,9 @@ static DBusMessage *ussd_respond(DBusConnection *conn,
DBusMessage *msg,
{
struct ofono_ussd *ussd = data;
const char *str;
+ int dcs = 0x0f;
+ unsigned char buf[160];
+ long num_packed;
if (ussd->pending)
return __ofono_error_busy(msg);
@@ -521,12 +544,16 @@ static DBusMessage *ussd_respond(DBusConnection *conn,
DBusMessage *msg,
if (strlen(str) == 0)
return __ofono_error_invalid_format(msg);
+ if (!ussd_encode(str, &num_packed, buf))
+ return __ofono_error_invalid_format(msg);
+
if (!ussd->driver->request)
return __ofono_error_not_implemented(msg);
ussd->pending = dbus_message_ref(msg);
- ussd->driver->request(ussd, str, ussd_response_callback, ussd);
+ ussd->driver->request(ussd, dcs, buf, num_packed,
ussd_response_callback,
+ ussd);
return NULL;
}
--
1.7.0.4
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