---
src/stkutil.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/src/stkutil.c b/src/stkutil.c
index d67c5c4..af1200c 100644
--- a/src/stkutil.c
+++ b/src/stkutil.c
@@ -553,6 +553,47 @@ static gboolean parse_dataobj_location_info(
return TRUE;
}
+/* Defined in TS 102.223 Section 8.20.
+ *
+ * According to 3GPP TS 24.008, Section 10.5.1.4, IMEI is composed of
+ * 15 digits and totally 8 bytes are used to represent it.
+ *
+ * Bits 1-3 of first byte represent the type of identity, and they
+ * are 0 1 0 separately for IMEI. Bit 4 of first byte is the odd/even
+ * indication, and it's 1 to indicate IMEI has odd number of digits (15).
+ * The rest bytes are coded using BCD coding.
+ *
+ * For example, if the IMEI is "123456789012345", then it's coded as
+ * "1A 32 54 76 98 10 32 54".
+ */
+static gboolean parse_dataobj_imei(struct comprehension_tlv_iter *iter,
+ void *user)
+{
+ char **imei = user;
+ const unsigned char *data;
+ unsigned int len;
+ static const char digit_lut[] = "0123456789*#abc\0";
+
+ if (comprehension_tlv_iter_get_tag(iter) !=
+ STK_DATA_OBJECT_TYPE_IMEI)
+ return FALSE;
+
+ len = comprehension_tlv_iter_get_length(iter);
+ if (len != 8)
+ return FALSE;
+
+ data = comprehension_tlv_iter_get_data(iter);
+
+ if ((data[0] & 0x0f) != 0x0a)
+ return FALSE;
+
+ *imei = g_try_malloc(16);
+ (*imei)[0] = digit_lut[(data[0] & 0xf0) >> 4];
+ extract_bcd_number(data + 1, 7, *imei + 1);
+
+ return TRUE;
+}
+
/* Defined in TS 102.223 Section 8.31 */
static gboolean parse_dataobj_icon_id(struct comprehension_tlv_iter *iter,
void *user)
@@ -674,6 +715,8 @@ static dataobj_handler handler_for_type(enum
stk_data_object_type type)
return parse_dataobj_file_list;
case STK_DATA_OBJECT_TYPE_LOCATION_INFO:
return parse_dataobj_location_info;
+ case STK_DATA_OBJECT_TYPE_IMEI:
+ return parse_dataobj_imei;
case STK_DATA_OBJECT_TYPE_ICON_ID:
return parse_dataobj_icon_id;
case STK_DATA_OBJECT_TYPE_IMMEDIATE_RESPONSE:
--
1.6.3.3
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