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-rw-r--r--source3/libsmb/spnego.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/source3/libsmb/spnego.c b/source3/libsmb/spnego.c
index 8cf2413a21..0b2dec7ef8 100644
--- a/source3/libsmb/spnego.c
+++ b/source3/libsmb/spnego.c
@@ -71,7 +71,23 @@ static BOOL read_negTokenInit(ASN1_DATA *asn1, negTokenInit_t *token)
/* Read mecListMIC */
case ASN1_CONTEXT(3):
asn1_start_tag(asn1, ASN1_CONTEXT(3));
- asn1_read_OctetString(asn1, &token->mechListMIC);
+ if (asn1->data[asn1->ofs] == ASN1_OCTET_STRING) {
+ asn1_read_OctetString(asn1,
+ &token->mechListMIC);
+ } else {
+ /* RFC 2478 says we have an Octet String here,
+ but W2k sends something different... */
+ char *mechListMIC;
+ asn1_push_tag(asn1, ASN1_SEQUENCE(0));
+ asn1_push_tag(asn1, ASN1_CONTEXT(0));
+ asn1_read_GeneralString(asn1, &mechListMIC);
+ asn1_pop_tag(asn1);
+ asn1_pop_tag(asn1);
+
+ token->mechListMIC =
+ data_blob(mechListMIC, strlen(mechListMIC));
+ SAFE_FREE(mechListMIC);
+ }
asn1_end_tag(asn1);
break;
default: