},{
.role = NTLMSSP_SERVER,
.command = NTLMSSP_NEGOTIATE,
- .sync_fn = ntlmssp_server_negotiate,
+ .sync_fn = gensec_ntlmssp_server_negotiate,
},{
.role = NTLMSSP_CLIENT,
.command = NTLMSSP_CHALLENGE,
},{
.role = NTLMSSP_SERVER,
.command = NTLMSSP_AUTH,
- .sync_fn = ntlmssp_server_auth,
+ .sync_fn = gensec_ntlmssp_server_auth,
}
};
-/**
- * Print out the NTLMSSP flags for debugging
- * @param neg_flags The flags from the packet
- */
-
-void debug_ntlmssp_flags(uint32_t neg_flags)
-{
- DEBUG(3,("Got NTLMSSP neg_flags=0x%08x\n", neg_flags));
-
- if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_UNICODE\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_OEM)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_OEM\n"));
- if (neg_flags & NTLMSSP_REQUEST_TARGET)
- DEBUGADD(4, (" NTLMSSP_REQUEST_TARGET\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_SIGN)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SIGN\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_SEAL)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_SEAL\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_DATAGRAM)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_DATAGRAM\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_LM_KEY\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NETWARE)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NETWARE\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NTLM)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_ALWAYS_SIGN\n"));
- if (neg_flags & NTLMSSP_REQUEST_NON_NT_SESSION_KEY)
- DEBUGADD(4, (" NTLMSSP_REQUEST_NON_NT_SESSION_KEY\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_NTLM2)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_NTLM2\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_TARGET_INFO)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_TARGET_INFO\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_128)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_128\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_KEY_EXCH\n"));
- if (neg_flags & NTLMSSP_NEGOTIATE_56)
- DEBUGADD(4, (" NTLMSSP_NEGOTIATE_56\n"));
-}
-
static NTSTATUS gensec_ntlmssp_magic(struct gensec_security *gensec_security,
const DATA_BLOB *first_packet)
{
- if (first_packet->length > 8 && memcmp("NTLMSSP\0", first_packet->data, 8) == 0) {
+ if (ntlmssp_blob_matches_magic(first_packet)) {
return NT_STATUS_OK;
} else {
return NT_STATUS_INVALID_PARAMETER;
*/
NTSTATUS gensec_ntlmssp_session_key(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
if (!ntlmssp_state->session_key.data) {
return NT_STATUS_NO_USER_SESSION_KEY;
}
- *session_key = ntlmssp_state->session_key;
-
- return NT_STATUS_OK;
-}
-
-void ntlmssp_handle_neg_flags(struct ntlmssp_state *ntlmssp_state,
- uint32_t neg_flags, bool allow_lm)
-{
- if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
- ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_UNICODE;
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_OEM;
- ntlmssp_state->unicode = true;
- } else {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_UNICODE;
- ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_OEM;
- ntlmssp_state->unicode = false;
- }
-
- if ((neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) && allow_lm && !ntlmssp_state->use_ntlmv2) {
- /* other end forcing us to use LM */
- ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_LM_KEY;
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
- } else {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_SIGN)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_SIGN;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_SEAL)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_SEAL;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_NTLM2)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_128)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_128;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_56)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_56;
- }
-
- if (!(neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_KEY_EXCH;
- }
-
- /* Woop Woop - unknown flag for Windows compatibility...
- What does this really do ? JRA. */
- if (!(neg_flags & NTLMSSP_NEGOTIATE_VERSION)) {
- ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_VERSION;
- }
-
- if ((neg_flags & NTLMSSP_REQUEST_TARGET)) {
- ntlmssp_state->neg_flags |= NTLMSSP_REQUEST_TARGET;
- }
-
-}
-
-/**
- Weaken NTLMSSP keys to cope with down-level clients and servers.
-
- We probably should have some parameters to control this, but as
- it only occours for LM_KEY connections, and this is controlled
- by the client lanman auth/lanman auth parameters, it isn't too bad.
-*/
-
-DATA_BLOB ntlmssp_weakend_key(struct ntlmssp_state *ntlmssp_state,
- TALLOC_CTX *mem_ctx)
-{
- DATA_BLOB weakened_key = data_blob_talloc(mem_ctx,
- ntlmssp_state->session_key.data,
- ntlmssp_state->session_key.length);
- /* Nothing to weaken. We certainly don't want to 'extend' the length... */
- if (weakened_key.length < 16) {
- /* perhaps there was no key? */
- return weakened_key;
+ *session_key = data_blob_talloc(mem_ctx, ntlmssp_state->session_key.data, ntlmssp_state->session_key.length);
+ if (!session_key->data) {
+ return NT_STATUS_NO_MEMORY;
}
- /* Key weakening not performed on the master key for NTLM2
- and does not occour for NTLM1. Therefore we only need
- to do this for the LM_KEY.
- */
- if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY) {
- /* LM key doesn't support 128 bit crypto, so this is
- * the best we can do. If you negotiate 128 bit, but
- * not 56, you end up with 40 bit... */
- if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_56) {
- weakened_key.data[7] = 0xa0;
- weakened_key.length = 8;
- } else { /* forty bits */
- weakened_key.data[5] = 0xe5;
- weakened_key.data[6] = 0x38;
- weakened_key.data[7] = 0xb0;
- weakened_key.length = 8;
- }
- }
- return weakened_key;
+ return NT_STATUS_OK;
}
static bool gensec_ntlmssp_have_feature(struct gensec_security *gensec_security,
static const struct gensec_security_ops gensec_ntlmssp_security_ops = {
.name = "ntlmssp",
- .sasl_name = "NTLM",
+ .sasl_name = GENSEC_SASL_NAME_NTLMSSP, /* "NTLM" */
.auth_type = DCERPC_AUTH_TYPE_NTLMSSP,
.oid = gensec_ntlmssp_oids,
.client_start = gensec_ntlmssp_client_start,
git.samba.org / idra / samba.git / blobdiff