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krb5: fix asn1 error when dissecting PA-FX-FAST in TGS request 

Change-Id: If42e54b05def7a09e37f7c0283103bb6db8126db
Signed-off-by: Isaac Boukris <iboukris@gmail.com>
Reviewed-on: https://code.wireshark.org/review/30910
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
This commit is contained in:
Isaac Boukris 2018-12-04 04:41:23 +02:00 committed by Pascal Quantin
parent 453e72299c
commit c43e310d79
2 changed files with 9 additions and 0 deletions
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4
epan/dissectors/asn1/kerberos/kerberos.cnf
View File

@ -432,3 +432,7 @@ AuthorizationData/_item/ad-type STRINGS=VALS(krb5_ad_types)
#.FN_HDR KRB-ERROR
kerberos_private_data_t* private_data = kerberos_get_private_data(actx);
private_data->is_request = FALSE;
#.FN_HDR TGS-REQ
kerberos_private_data_t* private_data = kerberos_get_private_data(actx);
private_data->is_request = TRUE;

5
epan/dissectors/packet-kerberos.c
View File

@ -3410,6 +3410,10 @@ dissect_kerberos_AS_REP(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
static int
dissect_kerberos_TGS_REQ(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
#line 426 "./asn1/kerberos/kerberos.cnf"
kerberos_private_data_t* private_data = kerberos_get_private_data(actx);
private_data->is_request = TRUE;
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
hf_index, BER_CLASS_APP, 12, FALSE, dissect_kerberos_KDC_REQ);
@ -4174,6 +4178,7 @@ dissect_kerberos_KRB_ERROR(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int off
kerberos_private_data_t* private_data = kerberos_get_private_data(actx);
private_data->is_request = FALSE;
offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset,
hf_index, BER_CLASS_APP, 30, FALSE, dissect_kerberos_KRB_ERROR_U);