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According to draft-ietf-dhc-failover-10, the message digest type is 1 

byte - and a length of 1 is used to put the message digest into the
protocol tree, which agrees with that.  Therefore, "tvb_get_guint8()"
should be used to fetch it.

svn path=/trunk/; revision=11746
This commit is contained in:
Guy Harris 2004-08-16 01:13:11 +00:00
parent 334a55a2ce
commit 90d05b46d1
1 changed files with 8 additions and 3 deletions
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11
epan/dissectors/packet-dhcp-failover.c
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@ -27,6 +27,12 @@
* This implementation is loosely based on draft-ietf-dhc-failover-07.txt.
* As this document does not represent the actual implementation, the
* source code of ISC DHCPD 3.0 was used too.
*
* See also
*
* http://community.roxen.com/developers/idocs/drafts/draft-ietf-dhc-failover-10.html
*
* upon which the handling of the message-digest option is based.
*/
#ifdef HAVE_CONFIG_H
@ -343,8 +349,7 @@ dissect_dhcpfo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
guint additionalHBlength;
struct payloadMessage *helpliste;
int actualoffset;
guint8 htype, reject_reason;
guint16 message_digest_type;
guint8 htype, reject_reason, message_digest_type;
const guint8 *chaddr;
guint8 binding_status;
gchar *binding_status_str, *reject_reason_str;
@ -836,7 +841,7 @@ dissect_dhcpfo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
case DHCP_FO_PD_MESSAGE_DIGEST:
message_digest_type = tvb_get_ntohs(tvb,helpliste->actualpoffset+4);
message_digest_type = tvb_get_guint8(tvb,helpliste->actualpoffset+4);
if(message_digest_type == 1)
{
proto_item_append_text(oi, ", HMAC-MD5");