auth: Move the rest of the source4 gensec_ntlmssp code to the top level

The ntlmssp_server code will be in common shortly, and aside from a
symbol name or two, moving the client code causes no harm and makes
less mess.  We will also get the client code in common very soon.

Andrew Bartlett

Signed-off-by: Stefan Metzmacher <metze@samba.org>

6 files changed, 1099 insertions, 2 deletions

diff --git a/auth/ntlmssp/gensec_ntlmssp_server.c b/auth/ntlmssp/gensec_ntlmssp_server.c
new file mode 100644
index 00000000000..fe93d0bfc28
--- /dev/null
+++ b/auth/ntlmssp/gensec_ntlmssp_server.c
@@ -0,0 +1,354 @@
+/*
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   handle NLTMSSP, client server side parsing
+
+   Copyright (C) Andrew Tridgell      2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
+   Copyright (C) Stefan Metzmacher 2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "system/network.h"
+#include "lib/tsocket/tsocket.h"
+#include "auth/ntlmssp/ntlmssp.h"
+#include "../librpc/gen_ndr/ndr_ntlmssp.h"
+#include "auth/ntlmssp/ntlmssp_ndr.h"
+#include "auth/ntlmssp/ntlmssp_private.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../lib/crypto/crypto.h"
+#include "auth/gensec/gensec.h"
+#include "auth/common_auth.h"
+#include "param/param.h"
+
+/**
+ * Next state function for the Negotiate packet (GENSEC wrapper)
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The request, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The reply, as an allocated DATA_BLOB, caller to free.
+ * @return Errors or MORE_PROCESSING_REQUIRED if (normal) a reply is required.
+ */
+
+NTSTATUS gensec_ntlmssp_server_negotiate(struct gensec_security *gensec_security,
+					 TALLOC_CTX *out_mem_ctx,
+					 const DATA_BLOB request, DATA_BLOB *reply)
+{
+	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;
+	return ntlmssp_server_negotiate(ntlmssp_state, out_mem_ctx, request, reply);
+}
+
+/**
+ * Next state function for the Authenticate packet (GENSEC wrapper)
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The request, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The reply, as an allocated DATA_BLOB, caller to free.
+ * @return Errors or NT_STATUS_OK if authentication sucessful
+ */
+
+NTSTATUS gensec_ntlmssp_server_auth(struct gensec_security *gensec_security,
+				    TALLOC_CTX *out_mem_ctx,
+				    const DATA_BLOB in, DATA_BLOB *out)
+{
+	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;
+	return ntlmssp_server_auth(ntlmssp_state, out_mem_ctx, in, out);
+}
+
+/**
+ * Return the challenge as determined by the authentication subsystem
+ * @return an 8 byte random challenge
+ */
+
+static NTSTATUS auth_ntlmssp_get_challenge(const struct ntlmssp_state *ntlmssp_state,
+					   uint8_t chal[8])
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(ntlmssp_state->callback_private,
+				      struct gensec_ntlmssp_context);
+	struct auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
+	NTSTATUS status = NT_STATUS_NOT_IMPLEMENTED;
+
+	if (auth_context->get_challenge) {
+		status = auth_context->get_challenge(auth_context, chal);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("auth_ntlmssp_get_challenge: failed to get challenge: %s\n",
+				  nt_errstr(status)));
+			return status;
+		}
+	}
+
+	return status;
+}
+
+/**
+ * Some authentication methods 'fix' the challenge, so we may not be able to set it
+ *
+ * @return If the effective challenge used by the auth subsystem may be modified
+ */
+static bool auth_ntlmssp_may_set_challenge(const struct ntlmssp_state *ntlmssp_state)
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(ntlmssp_state->callback_private,
+				      struct gensec_ntlmssp_context);
+	struct auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
+
+	if (auth_context->challenge_may_be_modified) {
+		return auth_context->challenge_may_be_modified(auth_context);
+	}
+	return false;
+}
+
+/**
+ * NTLM2 authentication modifies the effective challenge,
+ * @param challenge The new challenge value
+ */
+static NTSTATUS auth_ntlmssp_set_challenge(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *challenge)
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(ntlmssp_state->callback_private,
+				      struct gensec_ntlmssp_context);
+	struct auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
+	NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
+	const uint8_t *chal;
+
+	if (challenge->length != 8) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	chal = challenge->data;
+
+	if (auth_context->set_challenge) {
+		nt_status = auth_context->set_challenge(auth_context,
+							chal,
+							"NTLMSSP callback (NTLM2)");
+	}
+	return nt_status;
+}
+
+/**
+ * Check the password on an NTLMSSP login.
+ *
+ * Return the session keys used on the connection.
+ */
+
+static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state,
+					    TALLOC_CTX *mem_ctx,
+					    DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(ntlmssp_state->callback_private,
+				      struct gensec_ntlmssp_context);
+	struct auth4_context *auth_context = gensec_ntlmssp->gensec_security->auth_context;
+	NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
+	struct auth_usersupplied_info *user_info;
+
+	user_info = talloc_zero(ntlmssp_state, struct auth_usersupplied_info);
+	if (!user_info) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	user_info->logon_parameters = MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT | MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT;
+	user_info->flags = 0;
+	user_info->mapped_state = false;
+	user_info->client.account_name = ntlmssp_state->user;
+	user_info->client.domain_name = ntlmssp_state->domain;
+	user_info->workstation_name = ntlmssp_state->client.netbios_name;
+	user_info->remote_host = gensec_get_remote_address(gensec_ntlmssp->gensec_security);
+
+	user_info->password_state = AUTH_PASSWORD_RESPONSE;
+	user_info->password.response.lanman = ntlmssp_state->lm_resp;
+	user_info->password.response.lanman.data = talloc_steal(user_info, ntlmssp_state->lm_resp.data);
+	user_info->password.response.nt = ntlmssp_state->nt_resp;
+	user_info->password.response.nt.data = talloc_steal(user_info, ntlmssp_state->nt_resp.data);
+
+	if (auth_context->check_password) {
+		nt_status = auth_context->check_password(auth_context,
+							 gensec_ntlmssp,
+							 user_info,
+							 &gensec_ntlmssp->server_returned_info,
+							 user_session_key, lm_session_key);
+	}
+	talloc_free(user_info);
+	NT_STATUS_NOT_OK_RETURN(nt_status);
+
+	talloc_steal(mem_ctx, user_session_key->data);
+	talloc_steal(mem_ctx, lm_session_key->data);
+
+	return nt_status;
+}
+
+/**
+ * Return the credentials of a logged on user, including session keys
+ * etc.
+ *
+ * Only valid after a successful authentication
+ *
+ * May only be called once per authentication.
+ *
+ */
+
+NTSTATUS gensec_ntlmssp_session_info(struct gensec_security *gensec_security,
+				     TALLOC_CTX *mem_ctx,
+				     struct auth_session_info **session_info)
+{
+	NTSTATUS nt_status;
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(gensec_security->private_data,
+				      struct gensec_ntlmssp_context);
+	uint32_t session_info_flags = 0;
+
+	if (gensec_security->want_features & GENSEC_FEATURE_UNIX_TOKEN) {
+		session_info_flags |= AUTH_SESSION_INFO_UNIX_TOKEN;
+	}
+
+	session_info_flags |= AUTH_SESSION_INFO_DEFAULT_GROUPS;
+
+	if (gensec_security->auth_context && gensec_security->auth_context->generate_session_info) {
+		nt_status = gensec_security->auth_context->generate_session_info(mem_ctx, gensec_security->auth_context,
+										 gensec_ntlmssp->server_returned_info,
+										 gensec_ntlmssp->ntlmssp_state->user,
+										 session_info_flags,
+										 session_info);
+	} else {
+		DEBUG(0, ("Cannot generate a session_info without the auth_context\n"));
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	NT_STATUS_NOT_OK_RETURN(nt_status);
+
+	return gensec_ntlmssp_session_key(gensec_security, *session_info,
+					  &(*session_info)->session_key);
+}
+
+/**
+ * Start NTLMSSP on the server side
+ *
+ */
+NTSTATUS gensec_ntlmssp_server_start(struct gensec_security *gensec_security)
+{
+	NTSTATUS nt_status;
+	struct ntlmssp_state *ntlmssp_state;
+	struct gensec_ntlmssp_context *gensec_ntlmssp;
+
+	nt_status = gensec_ntlmssp_start(gensec_security);
+	NT_STATUS_NOT_OK_RETURN(nt_status);
+
+	gensec_ntlmssp =
+		talloc_get_type_abort(gensec_security->private_data,
+				      struct gensec_ntlmssp_context);
+
+	ntlmssp_state = talloc_zero(gensec_ntlmssp,
+				    struct ntlmssp_state);
+	if (!ntlmssp_state) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	ntlmssp_state->callback_private = gensec_ntlmssp;
+
+	gensec_ntlmssp->ntlmssp_state = ntlmssp_state;
+
+	ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+
+	ntlmssp_state->role = NTLMSSP_SERVER;
+
+	ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;
+
+	ntlmssp_state->allow_lm_key = (lpcfg_lanman_auth(gensec_security->settings->lp_ctx)
+					  && gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "allow_lm_key", false));
+
+	ntlmssp_state->neg_flags =
+		NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
+
+	ntlmssp_state->lm_resp = data_blob(NULL, 0);
+	ntlmssp_state->nt_resp = data_blob(NULL, 0);
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "128bit", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "56bit", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "keyexchange", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "alwayssign", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_server", "ntlm2", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+	}
+
+	if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+	}
+	if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+	}
+
+	ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge;
+	ntlmssp_state->may_set_challenge = auth_ntlmssp_may_set_challenge;
+	ntlmssp_state->set_challenge = auth_ntlmssp_set_challenge;
+	ntlmssp_state->check_password = auth_ntlmssp_check_password;
+	if (lpcfg_server_role(gensec_security->settings->lp_ctx) == ROLE_STANDALONE) {
+		ntlmssp_state->server.is_standalone = true;
+	} else {
+		ntlmssp_state->server.is_standalone = false;
+	}
+
+	ntlmssp_state->server.netbios_name = lpcfg_netbios_name(gensec_security->settings->lp_ctx);
+
+	ntlmssp_state->server.netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
+
+	{
+		const char *dnsdomain = lpcfg_dnsdomain(gensec_security->settings->lp_ctx);
+		char *dnsname, *lower_netbiosname;
+		lower_netbiosname = strlower_talloc(ntlmssp_state, ntlmssp_state->server.netbios_name);
+
+		/* Find out the DNS host name */
+		if (dnsdomain && dnsdomain[0] != '\0') {
+			dnsname = talloc_asprintf(ntlmssp_state, "%s.%s",
+						  lower_netbiosname,
+						  dnsdomain);
+			talloc_free(lower_netbiosname);
+			ntlmssp_state->server.dns_name = dnsname;
+		} else {
+			ntlmssp_state->server.dns_name = lower_netbiosname;
+		}
+
+		NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_name);
+
+		ntlmssp_state->server.dns_domain
+			= talloc_strdup(ntlmssp_state,
+					lpcfg_dnsdomain(gensec_security->settings->lp_ctx));
+		NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->server.dns_domain);
+	}
+
+	return NT_STATUS_OK;
+}
diff --git a/auth/ntlmssp/ntlmssp.c b/auth/ntlmssp/ntlmssp.c
new file mode 100644
index 00000000000..720a815449f
--- /dev/null
+++ b/auth/ntlmssp/ntlmssp.c
@@ -0,0 +1,211 @@
+/*
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   handle NLTMSSP, client server side parsing
+
+   Copyright (C) Andrew Tridgell      2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
+   Copyright (C) Stefan Metzmacher 2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+struct auth_session_info;
+
+#include "includes.h"
+#include "auth/ntlmssp/ntlmssp.h"
+#include "auth/ntlmssp/ntlmssp_private.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_dcerpc.h"
+#include "auth/gensec/gensec.h"
+
+/**
+ * Callbacks for NTLMSSP - for both client and server operating modes
+ *
+ */
+
+static const struct ntlmssp_callbacks {
+	enum ntlmssp_role role;
+	enum ntlmssp_message_type command;
+	NTSTATUS (*sync_fn)(struct gensec_security *gensec_security,
+			    TALLOC_CTX *out_mem_ctx,
+			    DATA_BLOB in, DATA_BLOB *out);
+} ntlmssp_callbacks[] = {
+	{
+		.role		= NTLMSSP_CLIENT,
+		.command	= NTLMSSP_INITIAL,
+		.sync_fn	= ntlmssp_client_initial,
+	},{
+		.role		= NTLMSSP_SERVER,
+		.command	= NTLMSSP_NEGOTIATE,
+		.sync_fn	= gensec_ntlmssp_server_negotiate,
+	},{
+		.role		= NTLMSSP_CLIENT,
+		.command	= NTLMSSP_CHALLENGE,
+		.sync_fn	= ntlmssp_client_challenge,
+	},{
+		.role		= NTLMSSP_SERVER,
+		.command	= NTLMSSP_AUTH,
+		.sync_fn	= gensec_ntlmssp_server_auth,
+	}
+};
+
+
+static NTSTATUS gensec_ntlmssp_update_find(struct ntlmssp_state *ntlmssp_state,
+					   const DATA_BLOB input, uint32_t *idx)
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp =
+		talloc_get_type_abort(ntlmssp_state->callback_private,
+				      struct gensec_ntlmssp_context);
+	struct gensec_security *gensec_security = gensec_ntlmssp->gensec_security;
+	uint32_t ntlmssp_command;
+	uint32_t i;
+
+	if (ntlmssp_state->expected_state == NTLMSSP_DONE) {
+		/* We are strict here because other modules, which we
+		 * don't fully control (such as GSSAPI) are also
+		 * strict, but are tested less often */
+
+		DEBUG(1, ("Called NTLMSSP after state machine was 'done'\n"));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (!input.length) {
+		switch (ntlmssp_state->role) {
+		case NTLMSSP_CLIENT:
+			ntlmssp_command = NTLMSSP_INITIAL;
+			break;
+		case NTLMSSP_SERVER:
+			if (gensec_security->want_features & GENSEC_FEATURE_DATAGRAM_MODE) {
+				/* 'datagram' mode - no neg packet */
+				ntlmssp_command = NTLMSSP_NEGOTIATE;
+			} else {
+				/* This is normal in SPNEGO mech negotiation fallback */
+				DEBUG(2, ("Failed to parse NTLMSSP packet: zero length\n"));
+				return NT_STATUS_INVALID_PARAMETER;
+			}
+			break;
+		}
+	} else {
+		if (!msrpc_parse(ntlmssp_state,
+				 &input, "Cd",
+				 "NTLMSSP",
+				 &ntlmssp_command)) {
+			DEBUG(1, ("Failed to parse NTLMSSP packet, could not extract NTLMSSP command\n"));
+			dump_data(2, input.data, input.length);
+			return NT_STATUS_INVALID_PARAMETER;
+		}
+	}
+
+	if (ntlmssp_command != ntlmssp_state->expected_state) {
+		DEBUG(2, ("got NTLMSSP command %u, expected %u\n", ntlmssp_command, ntlmssp_state->expected_state));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	for (i=0; i < ARRAY_SIZE(ntlmssp_callbacks); i++) {
+		if (ntlmssp_callbacks[i].role == ntlmssp_state->role &&
+		    ntlmssp_callbacks[i].command == ntlmssp_command) {
+			*idx = i;
+			return NT_STATUS_OK;
+		}
+	}
+
+	DEBUG(1, ("failed to find NTLMSSP callback for NTLMSSP mode %u, command %u\n",
+		  ntlmssp_state->role, ntlmssp_command));
+
+	return NT_STATUS_INVALID_PARAMETER;
+}
+
+/**
+ * Next state function for the wrapped NTLMSSP state machine
+ *
+ * @param gensec_security GENSEC state, initialised to NTLMSSP
+ * @param out_mem_ctx The TALLOC_CTX for *out to be allocated on
+ * @param in The request, as a DATA_BLOB
+ * @param out The reply, as an talloc()ed DATA_BLOB, on *out_mem_ctx
+ * @return Error, MORE_PROCESSING_REQUIRED if a reply is sent,
+ *                or NT_STATUS_OK if the user is authenticated.
+ */
+
+static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security,
+				      TALLOC_CTX *out_mem_ctx,
+				      struct tevent_context *ev,
+				      const DATA_BLOB input, DATA_BLOB *out)
+{
+	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;
+	NTSTATUS status;
+	uint32_t i;
+
+	*out = data_blob(NULL, 0);
+
+	if (!out_mem_ctx) {
+		/* if the caller doesn't want to manage/own the memory,
+		   we can put it on our context */
+		out_mem_ctx = ntlmssp_state;
+	}
+
+	status = gensec_ntlmssp_update_find(ntlmssp_state, input, &i);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = ntlmssp_callbacks[i].sync_fn(gensec_security, out_mem_ctx, input, out);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+}
+
+static const char *gensec_ntlmssp_oids[] = {
+	GENSEC_OID_NTLMSSP,
+	NULL
+};
+
+static const struct gensec_security_ops gensec_ntlmssp_security_ops = {
+	.name		= "ntlmssp",
+	.sasl_name	= GENSEC_SASL_NAME_NTLMSSP, /* "NTLM" */
+	.auth_type	= DCERPC_AUTH_TYPE_NTLMSSP,
+	.oid            = gensec_ntlmssp_oids,
+	.client_start   = gensec_ntlmssp_client_start,
+	.server_start   = gensec_ntlmssp_server_start,
+	.magic 	        = gensec_ntlmssp_magic,
+	.update 	= gensec_ntlmssp_update,
+	.sig_size	= gensec_ntlmssp_sig_size,
+	.sign_packet	= gensec_ntlmssp_sign_packet,
+	.check_packet	= gensec_ntlmssp_check_packet,
+	.seal_packet	= gensec_ntlmssp_seal_packet,
+	.unseal_packet	= gensec_ntlmssp_unseal_packet,
+	.wrap           = gensec_ntlmssp_wrap,
+	.unwrap         = gensec_ntlmssp_unwrap,
+	.session_key	= gensec_ntlmssp_session_key,
+	.session_info   = gensec_ntlmssp_session_info,
+	.have_feature   = gensec_ntlmssp_have_feature,
+	.enabled        = true,
+	.priority       = GENSEC_NTLMSSP
+};
+
+
+_PUBLIC_ NTSTATUS gensec_ntlmssp_init(void)
+{
+	NTSTATUS ret;
+
+	ret = gensec_register(&gensec_ntlmssp_security_ops);
+	if (!NT_STATUS_IS_OK(ret)) {
+		DEBUG(0,("Failed to register '%s' gensec backend!\n",
+			gensec_ntlmssp_security_ops.name));
+		return ret;
+	}
+
+	return ret;
+}
diff --git a/auth/ntlmssp/ntlmssp.h b/auth/ntlmssp/ntlmssp.h
index 2fed2b1f510..eb44913d877 100644
--- a/auth/ntlmssp/ntlmssp.h
+++ b/auth/ntlmssp/ntlmssp.h
@@ -235,3 +235,5 @@ NTSTATUS gensec_ntlmssp_unwrap(struct gensec_security *gensec_security,
 			       TALLOC_CTX *out_mem_ctx,
 			       const DATA_BLOB *in,
 			       DATA_BLOB *out);
+
+NTSTATUS gensec_ntlmssp_init(void);
diff --git a/auth/ntlmssp/ntlmssp_client.c b/auth/ntlmssp/ntlmssp_client.c
new file mode 100644
index 00000000000..1a2e857a584
--- /dev/null
+++ b/auth/ntlmssp/ntlmssp_client.c
@@ -0,0 +1,436 @@
+/*
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   handle NLTMSSP, client server side parsing
+
+   Copyright (C) Andrew Tridgell      2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
+   Copyright (C) Stefan Metzmacher 2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+struct auth_session_info;
+
+#include "includes.h"
+#include "auth/ntlmssp/ntlmssp.h"
+#include "../lib/crypto/crypto.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "auth/credentials/credentials.h"
+#include "auth/gensec/gensec.h"
+#include "param/param.h"
+#include "auth/ntlmssp/ntlmssp_private.h"
+#include "../librpc/gen_ndr/ndr_ntlmssp.h"
+#include "../auth/ntlmssp/ntlmssp_ndr.h"
+
+/*********************************************************************
+ Client side NTLMSSP
+*********************************************************************/
+
+/**
+ * Next state function for the Initial packet
+ *
+ * @param ntlmssp_state NTLMSSP State
+ * @param out_mem_ctx The DATA_BLOB *out will be allocated on this context
+ * @param in A NULL data blob (input ignored)
+ * @param out The initial negotiate request to the server, as an talloc()ed DATA_BLOB, on out_mem_ctx
+ * @return Errors or NT_STATUS_OK.
+ */
+
+NTSTATUS ntlmssp_client_initial(struct gensec_security *gensec_security,
+				TALLOC_CTX *out_mem_ctx,
+				DATA_BLOB in, DATA_BLOB *out)
+{
+	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;
+	const char *domain = ntlmssp_state->client.netbios_domain;
+	const char *workstation = ntlmssp_state->client.netbios_name;
+	NTSTATUS status;
+
+	/* These don't really matter in the initial packet, so don't panic if they are not set */
+	if (!domain) {
+		domain = "";
+	}
+
+	if (!workstation) {
+		workstation = "";
+	}
+
+	if (ntlmssp_state->unicode) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_UNICODE;
+	} else {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_OEM;
+	}
+
+	if (ntlmssp_state->use_ntlmv2) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+	}
+
+	/* generate the ntlmssp negotiate packet */
+	status = msrpc_gen(out_mem_ctx,
+		  out, "CddAA",
+		  "NTLMSSP",
+		  NTLMSSP_NEGOTIATE,
+		  ntlmssp_state->neg_flags,
+		  domain,
+		  workstation);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("ntlmssp_client_initial: failed to generate "
+			  "ntlmssp negotiate packet\n"));
+		return status;
+	}
+
+	if (DEBUGLEVEL >= 10) {
+		struct NEGOTIATE_MESSAGE *negotiate = talloc(
+			talloc_tos(), struct NEGOTIATE_MESSAGE);
+		if (negotiate != NULL) {
+			status = ntlmssp_pull_NEGOTIATE_MESSAGE(
+				out, negotiate, negotiate);
+			if (NT_STATUS_IS_OK(status)) {
+				NDR_PRINT_DEBUG(NEGOTIATE_MESSAGE,
+						negotiate);
+			}
+			TALLOC_FREE(negotiate);
+		}
+	}
+
+	ntlmssp_state->expected_state = NTLMSSP_CHALLENGE;
+
+	return NT_STATUS_MORE_PROCESSING_REQUIRED;
+}
+
+/**
+ * Next state function for the Challenge Packet.  Generate an auth packet.
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The server challnege, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The next request (auth packet) to the server, as an allocated DATA_BLOB, on the out_mem_ctx context
+ * @return Errors or NT_STATUS_OK.
+ */
+
+NTSTATUS ntlmssp_client_challenge(struct gensec_security *gensec_security,
+				  TALLOC_CTX *out_mem_ctx,
+				  const DATA_BLOB in, DATA_BLOB *out)
+{
+	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;
+	uint32_t chal_flags, ntlmssp_command, unkn1, unkn2;
+	DATA_BLOB server_domain_blob;
+	DATA_BLOB challenge_blob;
+	DATA_BLOB target_info = data_blob(NULL, 0);
+	char *server_domain;
+	const char *chal_parse_string;
+	const char *auth_gen_string;
+	DATA_BLOB lm_response = data_blob(NULL, 0);
+	DATA_BLOB nt_response = data_blob(NULL, 0);
+	DATA_BLOB session_key = data_blob(NULL, 0);
+	DATA_BLOB lm_session_key = data_blob(NULL, 0);
+	DATA_BLOB encrypted_session_key = data_blob(NULL, 0);
+	NTSTATUS nt_status;
+	int flags = 0;
+	const char *user, *domain;
+
+	TALLOC_CTX *mem_ctx = talloc_new(out_mem_ctx);
+	if (!mem_ctx) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	if (!msrpc_parse(mem_ctx,
+			 &in, "CdBd",
+			 "NTLMSSP",
+			 &ntlmssp_command,
+			 &server_domain_blob,
+			 &chal_flags)) {
+		DEBUG(1, ("Failed to parse the NTLMSSP Challenge: (#1)\n"));
+		dump_data(2, in.data, in.length);
+		talloc_free(mem_ctx);
+
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	data_blob_free(&server_domain_blob);
+
+	DEBUG(3, ("Got challenge flags:\n"));
+	debug_ntlmssp_flags(chal_flags);
+
+	ntlmssp_handle_neg_flags(ntlmssp_state, chal_flags, ntlmssp_state->allow_lm_key);
+
+	if (ntlmssp_state->unicode) {
+		if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
+			chal_parse_string = "CdUdbddB";
+		} else {
+			chal_parse_string = "CdUdbdd";
+		}
+		auth_gen_string = "CdBBUUUBd";
+	} else {
+		if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
+			chal_parse_string = "CdAdbddB";
+		} else {
+			chal_parse_string = "CdAdbdd";
+		}
+
+		auth_gen_string = "CdBBAAABd";
+	}
+
+	if (!msrpc_parse(mem_ctx,
+			 &in, chal_parse_string,
+			 "NTLMSSP",
+			 &ntlmssp_command,
+			 &server_domain,
+			 &chal_flags,
+			 &challenge_blob, 8,
+			 &unkn1, &unkn2,
+			 &target_info)) {
+		DEBUG(1, ("Failed to parse the NTLMSSP Challenge: (#2)\n"));
+		dump_data(2, in.data, in.length);
+		talloc_free(mem_ctx);
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (chal_flags & NTLMSSP_TARGET_TYPE_SERVER) {
+		ntlmssp_state->server.is_standalone = true;
+	} else {
+		ntlmssp_state->server.is_standalone = false;
+	}
+	/* TODO: parse struct_blob and fill in the rest */
+	ntlmssp_state->server.netbios_name = "";
+	ntlmssp_state->server.netbios_domain = server_domain;
+	ntlmssp_state->server.dns_name = "";
+	ntlmssp_state->server.dns_domain = "";
+
+	if (challenge_blob.length != 8) {
+		talloc_free(mem_ctx);
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	cli_credentials_get_ntlm_username_domain(gensec_security->credentials, mem_ctx,
+						 &user, &domain);
+
+	if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
+		flags |= CLI_CRED_NTLM2;
+	}
+	if (ntlmssp_state->use_ntlmv2) {
+		flags |= CLI_CRED_NTLMv2_AUTH;
+	}
+	if (ntlmssp_state->use_nt_response) {
+		flags |= CLI_CRED_NTLM_AUTH;
+	}
+	if (lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx)) {
+		flags |= CLI_CRED_LANMAN_AUTH;
+	}
+
+	nt_status = cli_credentials_get_ntlm_response(gensec_security->credentials, mem_ctx,
+						      &flags, challenge_blob, target_info,
+						      &lm_response, &nt_response,
+						      &lm_session_key, &session_key);
+
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		return nt_status;
+	}
+
+	if (!(flags & CLI_CRED_LANMAN_AUTH)) {
+		/* LM Key is still possible, just silly, so we do not
+		 * allow it. Fortunetly all LM crypto is off by
+		 * default and we require command line options to end
+		 * up here */
+		ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
+	}
+
+	if (!(flags & CLI_CRED_NTLM2)) {
+		/* NTLM2 is incompatible... */
+		ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
+	}
+
+	if ((ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
+	    && lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx) && lm_session_key.length == 16) {
+		DATA_BLOB new_session_key = data_blob_talloc(mem_ctx, NULL, 16);
+		if (lm_response.length == 24) {
+			SMBsesskeygen_lm_sess_key(lm_session_key.data, lm_response.data,
+						  new_session_key.data);
+		} else {
+			static const uint8_t zeros[24];
+			SMBsesskeygen_lm_sess_key(lm_session_key.data, zeros,
+						  new_session_key.data);
+		}
+		session_key = new_session_key;
+		dump_data_pw("LM session key\n", session_key.data, session_key.length);
+	}
+
+
+	/* Key exchange encryptes a new client-generated session key with
+	   the password-derived key */
+	if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) {
+		/* Make up a new session key */
+		uint8_t client_session_key[16];
+		generate_secret_buffer(client_session_key, sizeof(client_session_key));
+
+		/* Encrypt the new session key with the old one */
+		encrypted_session_key = data_blob_talloc(ntlmssp_state,
+							 client_session_key, sizeof(client_session_key));
+		dump_data_pw("KEY_EXCH session key:\n", encrypted_session_key.data, encrypted_session_key.length);
+		arcfour_crypt(encrypted_session_key.data, session_key.data, encrypted_session_key.length);
+		dump_data_pw("KEY_EXCH session key (enc):\n", encrypted_session_key.data, encrypted_session_key.length);
+
+		/* Mark the new session key as the 'real' session key */
+		session_key = data_blob_talloc(mem_ctx, client_session_key, sizeof(client_session_key));
+	}
+
+	DEBUG(3, ("NTLMSSP: Set final flags:\n"));
+	debug_ntlmssp_flags(ntlmssp_state->neg_flags);
+
+	/* this generates the actual auth packet */
+	nt_status = msrpc_gen(mem_ctx,
+		       out, auth_gen_string,
+		       "NTLMSSP",
+		       NTLMSSP_AUTH,
+		       lm_response.data, lm_response.length,
+		       nt_response.data, nt_response.length,
+		       domain,
+		       user,
+		       cli_credentials_get_workstation(gensec_security->credentials),
+		       encrypted_session_key.data, encrypted_session_key.length,
+		       ntlmssp_state->neg_flags);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		talloc_free(mem_ctx);
+		return nt_status;
+	}
+
+	ntlmssp_state->session_key = session_key;
+	talloc_steal(ntlmssp_state, session_key.data);
+
+	talloc_steal(out_mem_ctx, out->data);
+
+	ntlmssp_state->chal = challenge_blob;
+	ntlmssp_state->lm_resp = lm_response;
+	talloc_steal(ntlmssp_state->lm_resp.data, lm_response.data);
+	ntlmssp_state->nt_resp = nt_response;
+	talloc_steal(ntlmssp_state->nt_resp.data, nt_response.data);
+
+	ntlmssp_state->expected_state = NTLMSSP_DONE;
+
+	if (gensec_security->want_features & (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL)) {
+		nt_status = ntlmssp_sign_init(ntlmssp_state);
+		if (!NT_STATUS_IS_OK(nt_status)) {
+			DEBUG(1, ("Could not setup NTLMSSP signing/sealing system (error was: %s)\n",
+				  nt_errstr(nt_status)));
+			talloc_free(mem_ctx);
+			return nt_status;
+		}
+	}
+
+	talloc_free(mem_ctx);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS gensec_ntlmssp_client_start(struct gensec_security *gensec_security)
+{
+	struct gensec_ntlmssp_context *gensec_ntlmssp;
+	struct ntlmssp_state *ntlmssp_state;
+	NTSTATUS nt_status;
+
+	nt_status = gensec_ntlmssp_start(gensec_security);
+	NT_STATUS_NOT_OK_RETURN(nt_status);
+
+	gensec_ntlmssp =
+		talloc_get_type_abort(gensec_security->private_data,
+				      struct gensec_ntlmssp_context);
+
+	ntlmssp_state = talloc_zero(gensec_ntlmssp,
+				    struct ntlmssp_state);
+	if (!ntlmssp_state) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	ntlmssp_state->callback_private = gensec_ntlmssp;
+
+	gensec_ntlmssp->ntlmssp_state = ntlmssp_state;
+
+	ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
+
+	ntlmssp_state->role = NTLMSSP_CLIENT;
+
+	ntlmssp_state->client.netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
+	ntlmssp_state->client.netbios_name = cli_credentials_get_workstation(gensec_security->credentials);
+
+	ntlmssp_state->unicode = gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "unicode", true);
+
+	ntlmssp_state->use_nt_response = gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "send_nt_reponse", true);
+
+	ntlmssp_state->allow_lm_key = (lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx)
+					      && (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "allow_lm_key", false)
+						  || gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "lm_key", false)));
+
+	ntlmssp_state->use_ntlmv2 = lpcfg_client_ntlmv2_auth(gensec_security->settings->lp_ctx);
+
+	ntlmssp_state->expected_state = NTLMSSP_INITIAL;
+
+	ntlmssp_state->neg_flags =
+		NTLMSSP_NEGOTIATE_NTLM |
+		NTLMSSP_REQUEST_TARGET;
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "128bit", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "56bit", false)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "lm_key", false)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_LM_KEY;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "keyexchange", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "alwayssign", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+	}
+
+	if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "ntlm2", true)) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
+	} else {
+		/* apparently we can't do ntlmv2 if we don't do ntlm2 */
+		ntlmssp_state->use_ntlmv2 = false;
+	}
+
+	if (gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
+		/*
+		 * We need to set this to allow a later SetPassword
+		 * via the SAMR pipe to succeed. Strange.... We could
+		 * also add  NTLMSSP_NEGOTIATE_SEAL here. JRA.
+		 *
+		 * Without this, Windows will not create the master key
+		 * that it thinks is only used for NTLMSSP signing and
+		 * sealing.  (It is actually pulled out and used directly)
+		 */
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+	}
+	if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+	}
+	if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
+		ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
+	}
+
+	return NT_STATUS_OK;
+}
diff --git a/auth/ntlmssp/ntlmssp_private.h b/auth/ntlmssp/ntlmssp_private.h
index fc744282885..431626c34df 100644
--- a/auth/ntlmssp/ntlmssp_private.h
+++ b/auth/ntlmssp/ntlmssp_private.h
@@ -22,6 +22,8 @@
 
 #include "../lib/crypto/arcfour.h"
 
+struct auth_session_info;
+
 struct ntlmssp_crypt_direction {
 	uint32_t seq_num;
 	uint8_t sign_key[16];
@@ -55,3 +57,80 @@ NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
 NTSTATUS ntlmssp_server_auth(struct ntlmssp_state *ntlmssp_state,
 			     TALLOC_CTX *out_mem_ctx,
 			     const DATA_BLOB request, DATA_BLOB *reply);
+/* The following definitions come from auth/ntlmssp/ntlmssp_client.c  */
+
+
+/**
+ * Next state function for the Initial packet
+ *
+ * @param ntlmssp_state NTLMSSP State
+ * @param out_mem_ctx The DATA_BLOB *out will be allocated on this context
+ * @param in A NULL data blob (input ignored)
+ * @param out The initial negotiate request to the server, as an talloc()ed DATA_BLOB, on out_mem_ctx
+ * @return Errors or NT_STATUS_OK.
+ */
+NTSTATUS ntlmssp_client_initial(struct gensec_security *gensec_security,
+				TALLOC_CTX *out_mem_ctx,
+				DATA_BLOB in, DATA_BLOB *out) ;
+
+/**
+ * Next state function for the Challenge Packet.  Generate an auth packet.
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The server challnege, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The next request (auth packet) to the server, as an allocated DATA_BLOB, on the out_mem_ctx context
+ * @return Errors or NT_STATUS_OK.
+ */
+NTSTATUS ntlmssp_client_challenge(struct gensec_security *gensec_security,
+				  TALLOC_CTX *out_mem_ctx,
+				  const DATA_BLOB in, DATA_BLOB *out) ;
+NTSTATUS gensec_ntlmssp_client_start(struct gensec_security *gensec_security);
+
+/* The following definitions come from auth/ntlmssp/ntlmssp_server.c  */
+
+
+/**
+ * Next state function for the Negotiate packet (GENSEC wrapper)
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The request, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The reply, as an allocated DATA_BLOB, caller to free.
+ * @return Errors or MORE_PROCESSING_REQUIRED if (normal) a reply is required.
+ */
+NTSTATUS gensec_ntlmssp_server_negotiate(struct gensec_security *gensec_security,
+					 TALLOC_CTX *out_mem_ctx,
+					 const DATA_BLOB request, DATA_BLOB *reply);
+
+/**
+ * Next state function for the Authenticate packet (GENSEC wrapper)
+ *
+ * @param gensec_security GENSEC state
+ * @param out_mem_ctx Memory context for *out
+ * @param in The request, as a DATA_BLOB.  reply.data must be NULL
+ * @param out The reply, as an allocated DATA_BLOB, caller to free.
+ * @return Errors or NT_STATUS_OK if authentication sucessful
+ */
+NTSTATUS gensec_ntlmssp_server_auth(struct gensec_security *gensec_security,
+				    TALLOC_CTX *out_mem_ctx,
+				    const DATA_BLOB in, DATA_BLOB *out);
+
+/**
+ * Return the credentials of a logged on user, including session keys
+ * etc.
+ *
+ * Only valid after a successful authentication
+ *
+ * May only be called once per authentication.
+ *
+ */
+NTSTATUS gensec_ntlmssp_session_info(struct gensec_security *gensec_security,
+				     TALLOC_CTX *mem_ctx,
+				     struct auth_session_info **session_info) ;
+
+/**
+ * Start NTLMSSP on the server side
+ *
+ */
+NTSTATUS gensec_ntlmssp_server_start(struct gensec_security *gensec_security);
diff --git a/auth/ntlmssp/wscript_build b/auth/ntlmssp/wscript_build
index e68c4c89248..8725a8077d9 100644
--- a/auth/ntlmssp/wscript_build
+++ b/auth/ntlmssp/wscript_build
@@ -1,3 +1,18 @@
 bld.SAMBA_SUBSYSTEM('NTLMSSP_COMMON',
-                    source='gensec_ntlmssp.c ntlmssp_util.c ntlmssp_ndr.c ntlmssp_server.c ntlmssp_sign.c',
-                    deps='samba-util NDR_NTLMSSP MSRPC_PARSE NTLM_CHECK')
+                    source='''gensec_ntlmssp.c
+		    ntlmssp.c
+		    ntlmssp_util.c
+		    ntlmssp_ndr.c
+		    ntlmssp_client.c
+		    ntlmssp_server.c
+		    ntlmssp_sign.c
+		    gensec_ntlmssp_server.c''',
+                    deps='samba-util NDR_NTLMSSP MSRPC_PARSE NTLM_CHECK samba-credentials')
+
+bld.SAMBA_MODULE('gensec_ntlmssp',
+	source='''''',
+	subsystem='gensec',
+	init_function='gensec_ntlmssp_init',
+	deps='NTLMSSP_COMMON',
+	internal_module=True
+	)