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-rw-r--r--source3/libsmb/clispnego.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/source3/libsmb/clispnego.c b/source3/libsmb/clispnego.c
index f93cbcf39b..9432ce81d3 100644
--- a/source3/libsmb/clispnego.c
+++ b/source3/libsmb/clispnego.c
@@ -557,6 +557,20 @@ BOOL spnego_parse_auth_response(DATA_BLOB blob, NTSTATUS nt_status,
data.has_error = 1;
}
+ /* Binding against Win2K DC returns a duplicate of the responseToken in
+ * the optional mechListMIC field. This is a bug in Win2K. We ignore
+ * this field if it exists. Win2K8 may return a proper mechListMIC at
+ * which point we need to implement the integrity checking. */
+ if (asn1_tag_remaining(&data)) {
+ DATA_BLOB mechList = data_blob_null;
+ asn1_start_tag(&data, ASN1_CONTEXT(3));
+ asn1_read_OctetString(&data, &mechList);
+ asn1_end_tag(&data);
+ data_blob_free(&mechList);
+ DEBUG(5,("spnego_parse_auth_response received mechListMIC, "
+ "ignoring.\n"));
+ }
+
asn1_end_tag(&data);
asn1_end_tag(&data);