static NTSTATUS parse_spnego_mechanisms(DATA_BLOB blob_in, DATA_BLOB *pblob_out, BOOL *p_is_krb5)
{
char *OIDs[ASN1_MAX_OIDS];
int i;
*p_is_krb5 = False;
/* parse out the OIDs and the first sec blob */
if (!parse_negTokenTarg(blob_in, OIDs, pblob_out)) {
return NT_STATUS_LOGON_FAILURE;
}
/* only look at the first OID for determining the mechToken --
accoirding to RFC2478, we should choose the one we want
and renegotiate, but i smell a client bug here..
Problem observed when connecting to a member (samba box)
of an AD domain as a user in a Samba domain. Samba member
server sent back krb5/mskrb5/ntlmssp as mechtypes, but the
client (2ksp3) replied with ntlmssp/mskrb5/krb5 and an
NTLMSSP mechtoken. --jerry */
#ifdef HAVE_KRB5
if (strcmp(OID_KERBEROS5, OIDs[0]) == 0 ||
strcmp(OID_KERBEROS5_OLD, OIDs[0]) == 0) {
*p_is_krb5 = True;
}
#endif
for (i=0;OIDs[i];i++) {
DEBUG(5,("parse_spnego_mechanisms: Got OID %s\n", OIDs[i]));
free(OIDs[i]);
}
return NT_STATUS_OK;
}
static int reply_spnego_negotiate(connection_struct *conn,
char *inbuf,
char *outbuf,
int length, int bufsize,
DATA_BLOB blob1)
{
char *OIDs[ASN1_MAX_OIDS];
DATA_BLOB secblob;
int i;
DATA_BLOB chal;
BOOL got_kerberos = False;
NTSTATUS nt_status;
/* parse out the OIDs and the first sec blob */
if (!parse_negTokenTarg(blob1, OIDs, &secblob)) {
return ERROR_NT(NT_STATUS_LOGON_FAILURE);
}
/* only look at the first OID for determining the mechToken --
accoirding to RFC2478, we should choose the one we want
and renegotiate, but i smell a client bug here..
Problem observed when connecting to a member (samba box)
of an AD domain as a user in a Samba domain. Samba member
server sent back krb5/mskrb5/ntlmssp as mechtypes, but the
client (2ksp3) replied with ntlmssp/mskrb5/krb5 and an
NTLMSSP mechtoken. --jerry */
if (strcmp(OID_KERBEROS5, OIDs[0]) == 0 ||
strcmp(OID_KERBEROS5_OLD, OIDs[0]) == 0) {
got_kerberos = True;
}
for (i=0;OIDs[i];i++) {
DEBUG(3,("Got OID %s\n", OIDs[i]));
free(OIDs[i]);
}
DEBUG(3,("Got secblob of size %lu\n", (unsigned long)secblob.length));
#ifdef HAVE_KRB5
if (got_kerberos && (SEC_ADS == lp_security())) {
int ret = reply_spnego_kerberos(conn, inbuf, outbuf,
length, bufsize, &secblob);
data_blob_free(&secblob);
return ret;
}
#endif
if (global_ntlmssp_state) {
auth_ntlmssp_end(&global_ntlmssp_state);
}
nt_status = auth_ntlmssp_start(&global_ntlmssp_state);
if (!NT_STATUS_IS_OK(nt_status)) {
return ERROR_NT(nt_status);
}
nt_status = auth_ntlmssp_update(global_ntlmssp_state,
secblob, &chal);
data_blob_free(&secblob);
reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
&chal, nt_status);
data_blob_free(&chal);
/* already replied */
return -1;
}
