Small patch for packet-gtp.c v0.68. It fixes Ethereal crash in case of unknown IE.
Regards
--- packet-gtp.c.old 2003-11-27 13:37:36.000000000 +0100
+++ packet-gtp.c 2003-11-27 13:40:59.000000000 +0100
@@ -428,6 +428,8 @@
#define GTP_EXT_HDR_LIST 0x8D /* 3G */
#define GTP_EXT_TRIGGER_ID 0x8E /* 3G */
#define GTP_EXT_OMC_ID 0x8F /* 3G */
+#define GTP_EXT_C1 0xC1
+#define GTP_EXT_C2 0xC2
#define GTP_EXT_REL_PACK 0xF9 /* charging */
#define GTP_EXT_CAN_PACK 0xFA /* charging */
#define GTP_EXT_CHRG_ADDR 0xFB
@@ -4186,7 +4188,7 @@
proto_item *ti, *tf;
int i, offset, length, gtp_prime, checked_field, mandatory;
int seq_no, flow_label;
- guint8 pdu_no, next_hdr, ext_hdr_val;
+ guint8 pdu_no, next_hdr = 0, ext_hdr_val;
const guint8 *tid_val;
gchar *tid_str;
guint32 teid;
@@ -4292,7 +4294,8 @@
next_hdr = tvb_get_guint8 (tvb, offset);
proto_tree_add_uint (gtp_tree, hf_gtp_next, tvb, offset, 1, next_hdr);
- offset++;
+ if (!next_hdr)
+ offset++;
}
break;
default:
@@ -4307,7 +4310,12 @@
for (;;) {
if (offset >= length)
break;
- ext_hdr_val = tvb_get_guint8 (tvb, offset);
+ if (next_hdr) {
+ ext_hdr_val = next_hdr;
+ next_hdr = 0;
+ }
+ else
+ ext_hdr_val = tvb_get_guint8 (tvb, offset);
if (gtp_etsi_order) {
checked_field = check_field_presence (gtp_hdr.message, ext_hdr_val , (int *)&mandatory);
switch (checked_field) {
