diff options
Diffstat (limited to 'source3/libsmb/clispnego.c')
| -rw-r--r-- | source3/libsmb/clispnego.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/source3/libsmb/clispnego.c b/source3/libsmb/clispnego.c index 6b705658c3..da8c6450ae 100644 --- a/source3/libsmb/clispnego.c +++ b/source3/libsmb/clispnego.c @@ -241,6 +241,9 @@ BOOL spnego_parse_challenge(DATA_BLOB blob, BOOL ret; ASN1_DATA data; + ZERO_STRUCTP(chal1); + ZERO_STRUCTP(chal2); + asn1_load(&data, blob); asn1_start_tag(&data,ASN1_CONTEXT(1)); asn1_start_tag(&data,ASN1_SEQUENCE(0)); @@ -257,9 +260,12 @@ BOOL spnego_parse_challenge(DATA_BLOB blob, asn1_read_octet_string(&data, chal1); asn1_end_tag(&data); - asn1_start_tag(&data,ASN1_CONTEXT(3)); - asn1_read_octet_string(&data, chal2); - asn1_end_tag(&data); + /* the second challenge is optional (XP doesn't send it) */ + if (asn1_tag_remaining(&data)) { + asn1_start_tag(&data,ASN1_CONTEXT(3)); + asn1_read_octet_string(&data, chal2); + asn1_end_tag(&data); + } asn1_end_tag(&data); asn1_end_tag(&data); |