diff --git a/src/stkutil.c b/src/stkutil.c index cda2e8a9..248be70a 100644 --- a/src/stkutil.c +++ b/src/stkutil.c @@ -832,6 +832,33 @@ static gboolean parse_dataobj_transaction_id( return TRUE; } +/* Defined in TS 31.111 Section 8.29 */ +static gboolean parse_dataobj_bcch_channel_list( + struct comprehension_tlv_iter *iter, void *user) +{ + struct stk_bcch_channel_list *bcl = user; + const unsigned char *data; + unsigned int len = comprehension_tlv_iter_get_length(iter); + unsigned int i; + + if (len < 1) + return FALSE; + + data = comprehension_tlv_iter_get_data(iter); + + bcl->num = len * 8 / 10; + + for (i = 0; i < bcl->num; i++) { + unsigned int index = i * 10 / 8; + unsigned int occupied = i * 10 % 8; + + bcl->channel[i] = (data[index] << (2 + occupied)) + + (data[index + 1] >> (6 - occupied)); + } + + return TRUE; +} + /* Defined in TS 102.223 Section 8.30 */ static gboolean parse_dataobj_call_control_requested_action( struct comprehension_tlv_iter *iter, void *user) @@ -1955,6 +1982,8 @@ static dataobj_handler handler_for_type(enum stk_data_object_type type) return parse_dataobj_location_status; case STK_DATA_OBJECT_TYPE_TRANSACTION_ID: return parse_dataobj_transaction_id; + case STK_DATA_OBJECT_TYPE_BCCH_CHANNEL_LIST: + return parse_dataobj_bcch_channel_list; case STK_DATA_OBJECT_TYPE_CALL_CONTROL_REQUESTED_ACTION: return parse_dataobj_call_control_requested_action; case STK_DATA_OBJECT_TYPE_ICON_ID: diff --git a/src/stkutil.h b/src/stkutil.h index a6fe6335..278738be 100644 --- a/src/stkutil.h +++ b/src/stkutil.h @@ -709,6 +709,16 @@ struct stk_transaction_id { unsigned int len; }; +/* + * According to 31.111 Section 8.29 the length of CTLV is 1 byte. This means + * that the maximum size is 127 according to the rules of CTLVs. Each channel + * is represented as 10 bits, so the maximum number of channel is 127*8/10=101. + */ +struct stk_bcch_channel_list { + unsigned short channel[101]; + unsigned int num; +}; + /* * Defined in TS 102.223 Section 8.31 * Icon ID denotes a file on the SIM filesystem. Since EF cannot have record