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-rw-r--r--source4/auth/ntlmssp/ntlmssp_server.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/source4/auth/ntlmssp/ntlmssp_server.c b/source4/auth/ntlmssp/ntlmssp_server.c
index 9d6a897c69..8f7aa6e941 100644
--- a/source4/auth/ntlmssp/ntlmssp_server.c
+++ b/source4/auth/ntlmssp/ntlmssp_server.c
@@ -220,6 +220,11 @@ NTSTATUS ntlmssp_server_negotiate(struct gensec_security *gensec_security,
return NT_STATUS_MORE_PROCESSING_REQUIRED;
}
+struct ntlmssp_server_auth_state {
+ DATA_BLOB user_session_key;
+ DATA_BLOB lm_session_key;
+};
+
/**
* Next state function for the Authenticate packet
*
@@ -229,6 +234,7 @@ NTSTATUS ntlmssp_server_negotiate(struct gensec_security *gensec_security,
*/
static NTSTATUS ntlmssp_server_preauth(struct ntlmssp_state *ntlmssp_state,
+ struct ntlmssp_server_auth_state *state,
const DATA_BLOB request)
{
uint32_t ntlmssp_command, auth_flags;
@@ -384,13 +390,14 @@ static NTSTATUS ntlmssp_server_preauth(struct ntlmssp_state *ntlmssp_state,
*/
static NTSTATUS ntlmssp_server_postauth(struct gensec_security *gensec_security,
- DATA_BLOB *user_session_key,
- DATA_BLOB *lm_session_key)
+ struct ntlmssp_server_auth_state *state)
{
struct gensec_ntlmssp_context *gensec_ntlmssp =
talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+ DATA_BLOB *user_session_key = &state->user_session_key;
+ DATA_BLOB *lm_session_key = &state->lm_session_key;
NTSTATUS nt_status;
DATA_BLOB session_key = data_blob(NULL, 0);
@@ -536,15 +543,20 @@ NTSTATUS ntlmssp_server_auth(struct gensec_security *gensec_security,
talloc_get_type_abort(gensec_security->private_data,
struct gensec_ntlmssp_context);
struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
- DATA_BLOB user_session_key = data_blob_null;
- DATA_BLOB lm_session_key = data_blob_null;
+ struct ntlmssp_server_auth_state *state;
NTSTATUS nt_status;
/* zero the outbound NTLMSSP packet */
*out = data_blob_null;
- nt_status = ntlmssp_server_preauth(ntlmssp_state, in);
+ state = talloc_zero(ntlmssp_state, struct ntlmssp_server_auth_state);
+ if (state == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = ntlmssp_server_preauth(ntlmssp_state, state, in);
if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
}
@@ -557,19 +569,20 @@ NTSTATUS ntlmssp_server_auth(struct gensec_security *gensec_security,
/* Finally, actually ask if the password is OK */
nt_status = ntlmssp_state->check_password(ntlmssp_state,
- &user_session_key,
- &lm_session_key);
+ &state->user_session_key,
+ &state->lm_session_key);
if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
}
- nt_status = ntlmssp_server_postauth(gensec_security,
- &user_session_key,
- &lm_session_key);
+ nt_status = ntlmssp_server_postauth(gensec_security, state);
if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(state);
return nt_status;
}
+ TALLOC_FREE(state);
return NT_STATUS_OK;
}