Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

24 files changed, 12043 insertions, 0 deletions

diff --git a/source4/smb_server/smb/negprot.c b/source4/smb_server/smb/negprot.c
new file mode 100644
index 0000000..cd2451d
--- /dev/null
+++ b/source4/smb_server/smb/negprot.c
@@ -0,0 +1,564 @@
+/* 
+   Unix SMB/CIFS implementation.
+   negprot reply code
+   Copyright (C) Andrew Tridgell 1992-1998
+   
+   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/filesys.h"
+#include "auth/credentials/credentials.h"
+#include "auth/gensec/gensec.h"
+#include "auth/auth.h"
+#include "smb_server/smb_server.h"
+#include "libcli/smb2/smb2.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "samba/service_stream.h"
+#include "lib/stream/packet.h"
+#include "param/param.h"
+
+
+/* initialise the auth_context for this server and return the cryptkey */
+static NTSTATUS get_challenge(struct smbsrv_connection *smb_conn, uint8_t buff[8]) 
+{
+	NTSTATUS nt_status;
+
+	/* muliple negprots are not premitted */
+	if (smb_conn->negotiate.auth_context) {
+		DEBUG(3,("get challenge: is this a secondary negprot?  auth_context is non-NULL!\n"));
+		return NT_STATUS_FOOBAR;
+	}
+
+	DEBUG(10, ("get challenge: creating negprot_global_auth_context\n"));
+
+	nt_status = auth_context_create(smb_conn, 
+					smb_conn->connection->event.ctx,
+					smb_conn->connection->msg_ctx,
+					smb_conn->lp_ctx,
+					&smb_conn->negotiate.auth_context);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		DEBUG(0, ("auth_context_create() returned %s", nt_errstr(nt_status)));
+		return nt_status;
+	}
+
+	nt_status = auth_get_challenge(smb_conn->negotiate.auth_context, buff);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		DEBUG(0, ("auth_get_challenge() returned %s", nt_errstr(nt_status)));
+		return nt_status;
+	}
+
+	return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Reply for the core protocol.
+****************************************************************************/
+static void reply_corep(struct smbsrv_request *req, uint16_t choice)
+{
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), choice);
+
+	req->smb_conn->negotiate.protocol = PROTOCOL_CORE;
+
+	if (req->smb_conn->signing.mandatory_signing) {
+		smbsrv_terminate_connection(req->smb_conn, 
+					    "CORE does not support SMB signing, and it is mandatory\n");
+		return;
+	}
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply for the coreplus protocol.
+this is quite incomplete - we only fill in a small part of the reply, but as nobody uses
+this any more it probably doesn't matter
+****************************************************************************/
+static void reply_coreplus(struct smbsrv_request *req, uint16_t choice)
+{
+	uint16_t raw;
+	if (lpcfg_async_smb_echo_handler(req->smb_conn->lp_ctx)) {
+		raw = 0;
+	} else {
+		raw = (lpcfg_read_raw(req->smb_conn->lp_ctx)?1:0) |
+		      (lpcfg_write_raw(req->smb_conn->lp_ctx)?2:0);
+	}
+
+	smbsrv_setup_reply(req, 13, 0);
+
+	/* Reply, SMBlockread, SMBwritelock supported. */
+	SCVAL(req->out.hdr,HDR_FLG,
+	      CVAL(req->out.hdr, HDR_FLG) | FLAG_SUPPORT_LOCKREAD);
+
+	SSVAL(req->out.vwv, VWV(0), choice);
+	SSVAL(req->out.vwv, VWV(1), 0x1); /* user level security, don't encrypt */	
+
+	/* tell redirector we support
+	   readbraw and writebraw (possibly) */
+	SSVAL(req->out.vwv, VWV(5), raw); 
+
+	req->smb_conn->negotiate.protocol = PROTOCOL_COREPLUS;
+
+	if (req->smb_conn->signing.mandatory_signing) {
+		smbsrv_terminate_connection(req->smb_conn, 
+					    "COREPLUS does not support SMB signing, and it is mandatory\n");
+		return;
+	}
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply for the lanman 1.0 protocol.
+****************************************************************************/
+static void reply_lanman1(struct smbsrv_request *req, uint16_t choice)
+{
+	int secword=0;
+	time_t t = req->request_time.tv_sec;
+	uint16_t raw;
+
+	if (lpcfg_async_smb_echo_handler(req->smb_conn->lp_ctx)) {
+		raw = 0;
+	} else {
+		raw = (lpcfg_read_raw(req->smb_conn->lp_ctx)?1:0) |
+		      (lpcfg_write_raw(req->smb_conn->lp_ctx)?2:0);
+	}
+
+	req->smb_conn->negotiate.encrypted_passwords = lpcfg_encrypt_passwords(req->smb_conn->lp_ctx);
+
+	if (req->smb_conn->negotiate.encrypted_passwords)
+		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
+
+	req->smb_conn->negotiate.protocol = PROTOCOL_LANMAN1;
+
+	smbsrv_setup_reply(req, 13, req->smb_conn->negotiate.encrypted_passwords ? 8 : 0);
+
+	/* SMBlockread, SMBwritelock supported. */
+	SCVAL(req->out.hdr,HDR_FLG,
+	      CVAL(req->out.hdr, HDR_FLG) | FLAG_SUPPORT_LOCKREAD);
+
+	SSVAL(req->out.vwv, VWV(0), choice);
+	SSVAL(req->out.vwv, VWV(1), secword); 
+	SSVAL(req->out.vwv, VWV(2), req->smb_conn->negotiate.max_recv);
+	SSVAL(req->out.vwv, VWV(3), lpcfg_max_mux(req->smb_conn->lp_ctx));
+	SSVAL(req->out.vwv, VWV(4), 1);
+	SSVAL(req->out.vwv, VWV(5), raw); 
+	SIVAL(req->out.vwv, VWV(6), req->smb_conn->connection->server_id.pid);
+	srv_push_dos_date(req->smb_conn, req->out.vwv, VWV(8), t);
+	SSVAL(req->out.vwv, VWV(10), req->smb_conn->negotiate.zone_offset/60);
+	SIVAL(req->out.vwv, VWV(11), 0); /* reserved */
+
+	/* Create a token value and add it to the outgoing packet. */
+	if (req->smb_conn->negotiate.encrypted_passwords) {
+		NTSTATUS nt_status;
+
+		SSVAL(req->out.vwv, VWV(11), 8);
+
+		nt_status = get_challenge(req->smb_conn, req->out.data);
+		if (!NT_STATUS_IS_OK(nt_status)) {
+			smbsrv_terminate_connection(req->smb_conn, "LANMAN1 get_challenge failed\n");
+			return;
+		}
+	}
+
+	if (req->smb_conn->signing.mandatory_signing) {
+		smbsrv_terminate_connection(req->smb_conn, 
+					    "LANMAN1 does not support SMB signing, and it is mandatory\n");
+		return;
+	}
+
+	smbsrv_send_reply(req);	
+}
+
+/****************************************************************************
+ Reply for the lanman 2.0 protocol.
+****************************************************************************/
+static void reply_lanman2(struct smbsrv_request *req, uint16_t choice)
+{
+	int secword=0;
+	time_t t = req->request_time.tv_sec;
+	uint16_t raw;
+	if (lpcfg_async_smb_echo_handler(req->smb_conn->lp_ctx)) {
+		raw = 0;
+	} else {
+		raw = (lpcfg_read_raw(req->smb_conn->lp_ctx)?1:0) |
+		      (lpcfg_write_raw(req->smb_conn->lp_ctx)?2:0);
+	}
+
+	req->smb_conn->negotiate.encrypted_passwords = lpcfg_encrypt_passwords(req->smb_conn->lp_ctx);
+  
+	if (req->smb_conn->negotiate.encrypted_passwords)
+		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
+
+	req->smb_conn->negotiate.protocol = PROTOCOL_LANMAN2;
+
+	smbsrv_setup_reply(req, 13, 0);
+
+	SSVAL(req->out.vwv, VWV(0), choice);
+	SSVAL(req->out.vwv, VWV(1), secword); 
+	SSVAL(req->out.vwv, VWV(2), req->smb_conn->negotiate.max_recv);
+	SSVAL(req->out.vwv, VWV(3), lpcfg_max_mux(req->smb_conn->lp_ctx));
+	SSVAL(req->out.vwv, VWV(4), 1);
+	SSVAL(req->out.vwv, VWV(5), raw); 
+	SIVAL(req->out.vwv, VWV(6), req->smb_conn->connection->server_id.pid);
+	srv_push_dos_date(req->smb_conn, req->out.vwv, VWV(8), t);
+	SSVAL(req->out.vwv, VWV(10), req->smb_conn->negotiate.zone_offset/60);
+	SIVAL(req->out.vwv, VWV(11), 0);
+
+	/* Create a token value and add it to the outgoing packet. */
+	if (req->smb_conn->negotiate.encrypted_passwords) {
+		SSVAL(req->out.vwv, VWV(11), 8);
+		req_grow_data(req, 8);
+		get_challenge(req->smb_conn, req->out.data);
+	}
+
+	req_push_str(req, NULL, lpcfg_workgroup(req->smb_conn->lp_ctx), -1, STR_TERMINATE);
+
+	if (req->smb_conn->signing.mandatory_signing) {
+		smbsrv_terminate_connection(req->smb_conn, 
+					    "LANMAN2 does not support SMB signing, and it is mandatory\n");
+		return;
+	}
+
+	smbsrv_send_reply(req);
+}
+
+static void reply_nt1_orig(struct smbsrv_request *req)
+{
+	/* Create a token value and add it to the outgoing packet. */
+	if (req->smb_conn->negotiate.encrypted_passwords) {
+		req_grow_data(req, 8);
+		/* note that we do not send a challenge at all if
+		   we are using plaintext */
+		get_challenge(req->smb_conn, req->out.ptr);
+		req->out.ptr += 8;
+		SCVAL(req->out.vwv+1, VWV(16), 8);
+	}
+	req_push_str(req, NULL, lpcfg_workgroup(req->smb_conn->lp_ctx), -1, STR_UNICODE|STR_TERMINATE|STR_NOALIGN);
+	req_push_str(req, NULL, lpcfg_netbios_name(req->smb_conn->lp_ctx), -1, STR_UNICODE|STR_TERMINATE|STR_NOALIGN);
+	DEBUG(3,("not using extended security (SPNEGO or NTLMSSP)\n"));
+}
+
+/*
+  try to determine if the filesystem supports large files
+*/
+static bool large_file_support(const char *path)
+{
+	int fd;
+	ssize_t ret;
+	char c;
+
+	fd = open(path, O_RDWR|O_CREAT, 0600);
+	unlink(path);
+	if (fd == -1) {
+		/* have to assume large files are OK */
+		return true;
+	}
+	ret = pread(fd, &c, 1, ((uint64_t)1)<<32);
+	close(fd);
+	return ret == 0;
+}
+
+/****************************************************************************
+ Reply for the nt protocol.
+****************************************************************************/
+static void reply_nt1(struct smbsrv_request *req, uint16_t choice)
+{
+	/* dual names + lock_and_read + nt SMBs + remote API calls */
+	int capabilities;
+	int secword=0;
+	time_t t = req->request_time.tv_sec;
+	NTTIME nttime;
+	bool negotiate_spnego = false;
+	char *large_test_path;
+
+	unix_to_nt_time(&nttime, t);
+
+	capabilities = 
+		CAP_NT_FIND | CAP_LOCK_AND_READ | 
+		CAP_LEVEL_II_OPLOCKS | CAP_NT_SMBS | CAP_RPC_REMOTE_APIS;
+
+	req->smb_conn->negotiate.encrypted_passwords = lpcfg_encrypt_passwords(req->smb_conn->lp_ctx);
+
+	/* do spnego in user level security if the client
+	   supports it and we can do encrypted passwords */
+	
+	if (req->smb_conn->negotiate.encrypted_passwords && 
+	    (req->flags2 & FLAGS2_EXTENDED_SECURITY)) {
+		negotiate_spnego = true; 
+		capabilities |= CAP_EXTENDED_SECURITY;
+	}
+	
+	if (lpcfg_large_readwrite(req->smb_conn->lp_ctx)) {
+		capabilities |= CAP_LARGE_READX | CAP_LARGE_WRITEX | CAP_W2K_SMBS;
+	}
+
+	large_test_path = lpcfg_lock_path(req, req->smb_conn->lp_ctx, "large_test.dat");
+	if (large_file_support(large_test_path)) {
+		capabilities |= CAP_LARGE_FILES;
+	}
+
+	if (!lpcfg_async_smb_echo_handler(req->smb_conn->lp_ctx) &&
+	    lpcfg_read_raw(req->smb_conn->lp_ctx) &&
+	    lpcfg_write_raw(req->smb_conn->lp_ctx)) {
+		capabilities |= CAP_RAW_MODE;
+	}
+	
+	/* allow for disabling unicode */
+	if (lpcfg_unicode(req->smb_conn->lp_ctx)) {
+		capabilities |= CAP_UNICODE;
+	}
+
+	if (lpcfg_nt_status_support(req->smb_conn->lp_ctx)) {
+		capabilities |= CAP_STATUS32;
+	}
+	
+	if (lpcfg_host_msdfs(req->smb_conn->lp_ctx)) {
+		capabilities |= CAP_DFS;
+	}
+	
+	secword |= NEGOTIATE_SECURITY_USER_LEVEL;
+
+	if (req->smb_conn->negotiate.encrypted_passwords) {
+		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
+	}
+
+	if (req->smb_conn->signing.allow_smb_signing) {
+		secword |= NEGOTIATE_SECURITY_SIGNATURES_ENABLED;
+	}
+
+	if (req->smb_conn->signing.mandatory_signing) {
+		secword |= NEGOTIATE_SECURITY_SIGNATURES_REQUIRED;
+	}
+	
+	req->smb_conn->negotiate.protocol = PROTOCOL_NT1;
+
+	smbsrv_setup_reply(req, 17, 0);
+	
+	SSVAL(req->out.vwv, VWV(0), choice);
+	SCVAL(req->out.vwv, VWV(1), secword);
+
+	/* notice the strange +1 on vwv here? That's because
+	   this is the one and only SMB packet that is malformed in
+	   the specification - all the command words after the secword
+	   are offset by 1 byte */
+	SSVAL(req->out.vwv+1, VWV(1), lpcfg_max_mux(req->smb_conn->lp_ctx));
+	SSVAL(req->out.vwv+1, VWV(2), 1); /* num vcs */
+	SIVAL(req->out.vwv+1, VWV(3), req->smb_conn->negotiate.max_recv);
+	SIVAL(req->out.vwv+1, VWV(5), 0x10000); /* raw size. full 64k */
+	SIVAL(req->out.vwv+1, VWV(7), req->smb_conn->connection->server_id.pid); /* session key */
+
+	SIVAL(req->out.vwv+1, VWV(9), capabilities);
+	push_nttime(req->out.vwv+1, VWV(11), nttime);
+	SSVALS(req->out.vwv+1,VWV(15), req->smb_conn->negotiate.zone_offset/60);
+	
+	if (!negotiate_spnego) {
+		reply_nt1_orig(req);
+	} else {
+		struct cli_credentials *server_credentials;
+		struct gensec_security *gensec_security;
+		DATA_BLOB null_data_blob = data_blob(NULL, 0);
+		DATA_BLOB blob = data_blob_null;
+		const char *oid;
+		NTSTATUS nt_status;
+
+		server_credentials =
+			cli_credentials_init_server(req, req->smb_conn->lp_ctx);
+		if (server_credentials == NULL) {
+			DBG_DEBUG("Failed to obtain server credentials, "
+				  "perhaps a standalone server?\n");
+			/*
+			 * Create anon server credentials for for the
+			 * spoolss.notify test.
+			 */
+			server_credentials = cli_credentials_init_anon(req);
+			if (server_credentials == NULL) {
+				smbsrv_terminate_connection(req->smb_conn,
+					"Failed to init server credentials\n");
+				return;
+			}
+		}
+
+		nt_status = samba_server_gensec_start(req,
+						      req->smb_conn->connection->event.ctx,
+						      req->smb_conn->connection->msg_ctx,
+						      req->smb_conn->lp_ctx,
+						      server_credentials,
+						      "cifs",
+						      &gensec_security);
+
+		if (!NT_STATUS_IS_OK(nt_status)) {
+			DEBUG(0, ("Failed to start GENSEC: %s\n", nt_errstr(nt_status)));
+			smbsrv_terminate_connection(req->smb_conn, "Failed to start GENSEC\n");
+			return;
+		}
+
+		if (req->smb_conn->negotiate.auth_context) {
+			smbsrv_terminate_connection(req->smb_conn, "reply_nt1: is this a secondary negprot?  auth_context is non-NULL!\n");
+			return;
+		}
+		req->smb_conn->negotiate.server_credentials = talloc_reparent(req, req->smb_conn, server_credentials);
+
+		oid = GENSEC_OID_SPNEGO;
+		nt_status = gensec_start_mech_by_oid(gensec_security, oid);
+		
+		if (NT_STATUS_IS_OK(nt_status)) {
+			/* Get and push the proposed OID list into the packets */
+			nt_status = gensec_update(gensec_security, req,
+						  null_data_blob, &blob);
+
+			if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+				DEBUG(1, ("Failed to get SPNEGO to give us the first token: %s\n", nt_errstr(nt_status)));
+			}
+		}
+
+		if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+			DEBUG(3,("using SPNEGO\n"));
+		} else {
+			DEBUG(5, ("Failed to start SPNEGO, falling back to NTLMSSP only: %s\n", nt_errstr(nt_status)));
+			oid = GENSEC_OID_NTLMSSP;
+			nt_status = gensec_start_mech_by_oid(gensec_security, oid);
+			
+			if (!NT_STATUS_IS_OK(nt_status)) {
+				DEBUG(0, ("Failed to start SPNEGO as well as NTLMSSP fallback: %s\n", nt_errstr(nt_status)));
+				reply_nt1_orig(req);
+				return;
+			}
+			/* NTLMSSP is a client-first exchange */
+			blob = data_blob(NULL, 0);
+			DEBUG(3,("using raw-NTLMSSP\n"));
+		}
+
+		req->smb_conn->negotiate.oid = oid;
+	
+		req_grow_data(req, blob.length + 16);
+		/* a NOT very random guid, perhaps we should get it
+		 * from the credentials (kitchen sink...) */
+		memset(req->out.ptr, '\0', 16);
+		req->out.ptr += 16;
+
+		memcpy(req->out.ptr, blob.data, blob.length);
+		SCVAL(req->out.vwv+1, VWV(16), blob.length + 16);
+		req->out.ptr += blob.length;
+	}
+	
+	smbsrv_send_reply_nosign(req);	
+}
+
+/****************************************************************************
+ Reply for the SMB2 2.001 protocol
+****************************************************************************/
+static void reply_smb2(struct smbsrv_request *req, uint16_t choice)
+{
+	struct smbsrv_connection *smb_conn = req->smb_conn;
+	NTSTATUS status;
+
+	talloc_free(smb_conn->sessions.idtree_vuid);
+	ZERO_STRUCT(smb_conn->sessions);
+	talloc_free(smb_conn->smb_tcons.idtree_tid);
+	ZERO_STRUCT(smb_conn->smb_tcons);
+	ZERO_STRUCT(smb_conn->signing);
+
+	/* reply with a SMB2 packet */
+	status = smbsrv_init_smb2_connection(smb_conn);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+	packet_set_callback(smb_conn->packet, smbsrv_recv_smb2_request);
+	smb2srv_reply_smb_negprot(req);
+	req = NULL;
+}
+
+/* List of supported protocols, most desired first */
+static const struct {
+	const char *proto_name;
+	const char *short_name;
+	void (*proto_reply_fn)(struct smbsrv_request *req, uint16_t choice);
+	int protocol_level;
+} supported_protocols[] = {
+	{"SMB 2.002",			"SMB2",		reply_smb2,	PROTOCOL_SMB2_02},
+	{"NT LANMAN 1.0",		"NT1",		reply_nt1,	PROTOCOL_NT1},
+	{"NT LM 0.12",			"NT1",		reply_nt1,	PROTOCOL_NT1},
+	{"LANMAN2.1",			"LANMAN2",	reply_lanman2,	PROTOCOL_LANMAN2},
+	{"LM1.2X002",			"LANMAN2",	reply_lanman2,	PROTOCOL_LANMAN2},
+	{"Samba",			"LANMAN2",	reply_lanman2,	PROTOCOL_LANMAN2},
+	{"DOS LM1.2X002",		"LANMAN2",	reply_lanman2,	PROTOCOL_LANMAN2},
+	{"Windows for Workgroups 3.1a",	"LANMAN1",	reply_lanman1,	PROTOCOL_LANMAN1},
+	{"LANMAN1.0",			"LANMAN1",	reply_lanman1,	PROTOCOL_LANMAN1},
+	{"MICROSOFT NETWORKS 3.0",	"LANMAN1",	reply_lanman1,	PROTOCOL_LANMAN1},
+	{"MICROSOFT NETWORKS 1.03",	"COREPLUS",	reply_coreplus,	PROTOCOL_COREPLUS},
+	{"PC NETWORK PROGRAM 1.0",	"CORE",		reply_corep,	PROTOCOL_CORE},
+	{NULL,NULL,NULL,0},
+};
+
+/****************************************************************************
+ Reply to a negprot.
+****************************************************************************/
+
+void smbsrv_reply_negprot(struct smbsrv_request *req)
+{
+	int protocol;
+	uint8_t *p;
+	uint32_t protos_count = 0;
+	const char **protos = NULL;
+
+	if (req->smb_conn->negotiate.done_negprot) {
+		smbsrv_terminate_connection(req->smb_conn, "multiple negprot's are not permitted");
+		return;
+	}
+	req->smb_conn->negotiate.done_negprot = true;
+
+	p = req->in.data;
+	while (true) {
+		size_t len;
+
+		protos = talloc_realloc(req, protos, const char *, protos_count + 1);
+		if (!protos) {
+			smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
+			return;
+		}
+		protos[protos_count] = NULL;
+		len = req_pull_ascii4(&req->in.bufinfo, &protos[protos_count], p, STR_ASCII|STR_TERMINATE);
+		p += len;
+		if (len == 0 || !protos[protos_count]) break;
+
+		DEBUG(5,("Requested protocol [%d][%s]\n", protos_count, protos[protos_count]));
+		protos_count++;
+	}
+
+	/* Check for protocols, most desirable first */
+	for (protocol = 0; supported_protocols[protocol].proto_name; protocol++) {
+		int i;
+
+		if (supported_protocols[protocol].protocol_level > lpcfg_server_max_protocol(req->smb_conn->lp_ctx))
+			continue;
+		if (supported_protocols[protocol].protocol_level < lpcfg_server_min_protocol(req->smb_conn->lp_ctx))
+			continue;
+
+		for (i = 0; i < protos_count; i++) {
+			if (strcmp(supported_protocols[protocol].proto_name, protos[i]) != 0) continue;
+
+			supported_protocols[protocol].proto_reply_fn(req, i);
+			DEBUG(3,("Selected protocol [%d][%s]\n",
+				i, supported_protocols[protocol].proto_name));
+			return;
+		}
+	}
+
+	smbsrv_terminate_connection(req->smb_conn, "No protocol supported !");
+}
diff --git a/source4/smb_server/smb/nttrans.c b/source4/smb_server/smb/nttrans.c
new file mode 100644
index 0000000..8e4d004
--- /dev/null
+++ b/source4/smb_server/smb/nttrans.c
@@ -0,0 +1,815 @@
+/* 
+   Unix SMB/CIFS implementation.
+   NT transaction handling
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) James J Myers 2003 <myersjj@samba.org>
+
+   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/>.
+*/
+/*
+   This file handles the parsing of transact2 requests
+*/
+
+#include "includes.h"
+#include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "librpc/gen_ndr/ndr_security.h"
+
+/*
+  hold the state of a nttrans op while in progress. Needed to allow for async backend
+  functions.
+*/
+struct nttrans_op {
+	struct smb_nttrans *trans;
+	NTSTATUS (*send_fn)(struct nttrans_op *);
+	void *op_info;
+};
+
+
+/* setup a nttrans reply, given the data and params sizes */
+static NTSTATUS nttrans_setup_reply(struct nttrans_op *op, 
+				    struct smb_nttrans *trans,
+				    uint32_t param_size, uint32_t data_size,
+				    uint8_t setup_count)
+{
+	trans->out.setup_count = setup_count;
+	if (setup_count != 0) {
+		trans->out.setup = talloc_zero_array(op, uint8_t, setup_count*2);
+		NT_STATUS_HAVE_NO_MEMORY(trans->out.setup);
+	}
+	trans->out.params = data_blob_talloc(op, NULL, param_size);
+	if (param_size != 0) {
+		NT_STATUS_HAVE_NO_MEMORY(trans->out.params.data);
+	}
+	trans->out.data = data_blob_talloc(op, NULL, data_size);
+	if (data_size != 0) {
+		NT_STATUS_HAVE_NO_MEMORY(trans->out.data.data);
+	}
+	return NT_STATUS_OK;
+}
+
+/*
+  send a nttrans create reply
+*/
+static NTSTATUS nttrans_create_send(struct nttrans_op *op)
+{
+	union smb_open *io = talloc_get_type(op->op_info, union smb_open);
+	uint8_t *params;
+	NTSTATUS status;
+
+	status = nttrans_setup_reply(op, op->trans, 69, 0, 0);
+	NT_STATUS_NOT_OK_RETURN(status);
+	params = op->trans->out.params.data;
+
+	SSVAL(params,        0, io->ntcreatex.out.oplock_level);
+	smbsrv_push_fnum(params, 2, io->ntcreatex.out.file.ntvfs);
+	SIVAL(params,        4, io->ntcreatex.out.create_action);
+	SIVAL(params,        8, 0); /* ea error offset */
+	push_nttime(params, 12, io->ntcreatex.out.create_time);
+	push_nttime(params, 20, io->ntcreatex.out.access_time);
+	push_nttime(params, 28, io->ntcreatex.out.write_time);
+	push_nttime(params, 36, io->ntcreatex.out.change_time);
+	SIVAL(params,       44, io->ntcreatex.out.attrib);
+	SBVAL(params,       48, io->ntcreatex.out.alloc_size);
+	SBVAL(params,       56, io->ntcreatex.out.size);
+	SSVAL(params,       64, io->ntcreatex.out.file_type);
+	SSVAL(params,       66, io->ntcreatex.out.ipc_state);
+	SCVAL(params,       68, io->ntcreatex.out.is_directory);
+
+	return NT_STATUS_OK;
+}
+
+/* 
+   parse NTTRANS_CREATE request
+ */
+static NTSTATUS nttrans_create(struct smbsrv_request *req, 
+			       struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_open *io;
+	uint16_t fname_len;
+	uint32_t sd_length, ea_length;
+	NTSTATUS status;
+	uint8_t *params;
+	enum ndr_err_code ndr_err;
+
+	if (trans->in.params.length < 54) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* parse the request */
+	io = talloc(op, union smb_open);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->ntcreatex.level = RAW_OPEN_NTTRANS_CREATE;
+
+	params = trans->in.params.data;
+
+	io->ntcreatex.in.flags            = IVAL(params,  0);
+	io->ntcreatex.in.root_fid.ntvfs   = smbsrv_pull_fnum(req, params, 4);
+	io->ntcreatex.in.access_mask      = IVAL(params,  8);
+	io->ntcreatex.in.alloc_size       = BVAL(params, 12);
+	io->ntcreatex.in.file_attr        = IVAL(params, 20);
+	io->ntcreatex.in.share_access     = IVAL(params, 24);
+	io->ntcreatex.in.open_disposition = IVAL(params, 28);
+	io->ntcreatex.in.create_options   = IVAL(params, 32);
+	sd_length                         = IVAL(params, 36);
+	ea_length                         = IVAL(params, 40);
+	fname_len                         = IVAL(params, 44);
+	io->ntcreatex.in.impersonation    = IVAL(params, 48);
+	io->ntcreatex.in.security_flags   = CVAL(params, 52);
+	io->ntcreatex.in.sec_desc         = NULL;
+	io->ntcreatex.in.ea_list          = NULL;
+	io->ntcreatex.in.query_maximal_access = false;
+	io->ntcreatex.in.query_on_disk_id = false;
+	io->ntcreatex.in.private_flags    = 0;
+
+	req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname, 
+			params + 53, 
+			MIN(fname_len+1, trans->in.params.length - 53),
+			STR_NO_RANGE_CHECK | STR_TERMINATE);
+	if (!io->ntcreatex.in.fname) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (sd_length > trans->in.data.length ||
+	    ea_length > trans->in.data.length ||
+	    (sd_length+ea_length) > trans->in.data.length) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* this call has an optional security descriptor */
+	if (sd_length != 0) {
+		DATA_BLOB blob;
+		blob.data = trans->in.data.data;
+		blob.length = sd_length;
+		io->ntcreatex.in.sec_desc = talloc(io, struct security_descriptor);
+		if (io->ntcreatex.in.sec_desc == NULL) {
+			return NT_STATUS_NO_MEMORY;
+		}
+		ndr_err = ndr_pull_struct_blob(&blob, io, 
+					       io->ntcreatex.in.sec_desc,
+					       (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return ndr_map_error2ntstatus(ndr_err);
+		}
+	}
+
+	/* and an optional ea_list */
+	if (ea_length > 4) {
+		DATA_BLOB blob;
+		blob.data = trans->in.data.data + sd_length;
+		blob.length = ea_length;
+		io->ntcreatex.in.ea_list = talloc(io, struct smb_ea_list);
+		if (io->ntcreatex.in.ea_list == NULL) {
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		status = ea_pull_list_chained(&blob, io, 
+					      &io->ntcreatex.in.ea_list->num_eas,
+					      &io->ntcreatex.in.ea_list->eas);
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+	}
+
+	op->send_fn = nttrans_create_send;
+	op->op_info = io;
+
+	return ntvfs_open(req->ntvfs, io);
+}
+
+
+/* 
+   send NTTRANS_QUERY_SEC_DESC reply
+ */
+static NTSTATUS nttrans_query_sec_desc_send(struct nttrans_op *op)
+{
+	union smb_fileinfo *io = talloc_get_type(op->op_info, union smb_fileinfo);
+	uint8_t *params;
+	NTSTATUS status;
+	enum ndr_err_code ndr_err;
+
+	status = nttrans_setup_reply(op, op->trans, 4, 0, 0);
+	NT_STATUS_NOT_OK_RETURN(status);
+	params = op->trans->out.params.data;
+
+	ndr_err = ndr_push_struct_blob(&op->trans->out.data, op, 
+				       io->query_secdesc.out.sd,
+				       (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	SIVAL(params, 0, op->trans->out.data.length);
+
+	return NT_STATUS_OK;
+}
+
+/* 
+   parse NTTRANS_QUERY_SEC_DESC request
+ */
+static NTSTATUS nttrans_query_sec_desc(struct smbsrv_request *req, 
+				       struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_fileinfo *io;
+
+	if (trans->in.params.length < 8) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* parse the request */
+	io = talloc(op, union smb_fileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->query_secdesc.level            = RAW_FILEINFO_SEC_DESC;
+	io->query_secdesc.in.file.ntvfs    = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+	io->query_secdesc.in.secinfo_flags = IVAL(trans->in.params.data, 4);
+
+	op->op_info = io;
+	op->send_fn = nttrans_query_sec_desc_send;
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->query_secdesc.in.file.ntvfs);
+	return ntvfs_qfileinfo(req->ntvfs, io);
+}
+
+
+/* 
+   parse NTTRANS_SET_SEC_DESC request
+ */
+static NTSTATUS nttrans_set_sec_desc(struct smbsrv_request *req, 
+				     struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_setfileinfo *io;
+	enum ndr_err_code ndr_err;
+
+	if (trans->in.params.length < 8) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* parse the request */
+	io = talloc(req, union smb_setfileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->set_secdesc.level            = RAW_SFILEINFO_SEC_DESC;
+	io->set_secdesc.in.file.ntvfs    = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+	io->set_secdesc.in.secinfo_flags = IVAL(trans->in.params.data, 4);
+
+	io->set_secdesc.in.sd = talloc(io, struct security_descriptor);
+	NT_STATUS_HAVE_NO_MEMORY(io->set_secdesc.in.sd);
+
+	ndr_err = ndr_pull_struct_blob(&trans->in.data, req, 
+				       io->set_secdesc.in.sd,
+				       (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->set_secdesc.in.file.ntvfs);
+	return ntvfs_setfileinfo(req->ntvfs, io);
+}
+
+
+/* parse NTTRANS_RENAME request
+ */
+static NTSTATUS nttrans_rename(struct smbsrv_request *req, 
+			       struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_rename *io;
+
+	if (trans->in.params.length < 5) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* parse the request */
+	io = talloc(req, union smb_rename);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->nttrans.level		= RAW_RENAME_NTTRANS;
+	io->nttrans.in.file.ntvfs	= smbsrv_pull_fnum(req, trans->in.params.data, 0);
+	io->nttrans.in.flags		= SVAL(trans->in.params.data, 2);
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 4,
+				&io->nttrans.in.new_name,
+				STR_TERMINATE);
+	if (!io->nttrans.in.new_name) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->nttrans.in.file.ntvfs);
+	return ntvfs_rename(req->ntvfs, io);
+}
+
+/* 
+   parse NTTRANS_IOCTL send
+ */
+static NTSTATUS nttrans_ioctl_send(struct nttrans_op *op)
+{
+	union smb_ioctl *info = talloc_get_type(op->op_info, union smb_ioctl);
+	NTSTATUS status;
+
+	/* 
+	 * we pass 0 as data_count here,
+	 * because we reuse the DATA_BLOB from the smb_ioctl
+	 * struct
+	 */
+	status = nttrans_setup_reply(op, op->trans, 0, 0, 1);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	op->trans->out.setup[0]		= 0;
+	op->trans->out.data		= info->ntioctl.out.blob;
+
+	return NT_STATUS_OK;
+}
+
+
+/* 
+   parse NTTRANS_IOCTL request
+ */
+static NTSTATUS nttrans_ioctl(struct smbsrv_request *req, 
+			      struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_ioctl *nt;
+
+	/* should have at least 4 setup words */
+	if (trans->in.setup_count != 4) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	nt = talloc(op, union smb_ioctl);
+	NT_STATUS_HAVE_NO_MEMORY(nt);
+	
+	nt->ntioctl.level		= RAW_IOCTL_NTIOCTL;
+	nt->ntioctl.in.function		= IVAL(trans->in.setup, 0);
+	nt->ntioctl.in.file.ntvfs	= smbsrv_pull_fnum(req, (uint8_t *)trans->in.setup, 4);
+	nt->ntioctl.in.fsctl		= CVAL(trans->in.setup, 6);
+	nt->ntioctl.in.filter		= CVAL(trans->in.setup, 7);
+	nt->ntioctl.in.max_data		= trans->in.max_data;
+	nt->ntioctl.in.blob		= trans->in.data;
+
+	op->op_info = nt;
+	op->send_fn = nttrans_ioctl_send;
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(nt->ntioctl.in.file.ntvfs);
+	return ntvfs_ioctl(req->ntvfs, nt);
+}
+
+
+/* 
+   send NTTRANS_NOTIFY_CHANGE reply
+ */
+static NTSTATUS nttrans_notify_change_send(struct nttrans_op *op)
+{
+	union smb_notify *info = talloc_get_type(op->op_info, union smb_notify);
+	size_t size = 0;
+	int i;
+	NTSTATUS status;
+	uint8_t *p;
+#define MAX_BYTES_PER_CHAR 3
+	
+	/* work out how big the reply buffer could be */
+	for (i=0;i<info->nttrans.out.num_changes;i++) {
+		size += 12 + 3 + (1+strlen(info->nttrans.out.changes[i].name.s)) * MAX_BYTES_PER_CHAR;
+	}
+
+	status = nttrans_setup_reply(op, op->trans, size, 0, 0);
+	NT_STATUS_NOT_OK_RETURN(status);
+	p = op->trans->out.params.data;
+
+	/* construct the changes buffer */
+	for (i=0;i<info->nttrans.out.num_changes;i++) {
+		uint32_t ofs;
+		ssize_t len;
+
+		SIVAL(p, 4, info->nttrans.out.changes[i].action);
+		len = push_string(p + 12, info->nttrans.out.changes[i].name.s, 
+				  op->trans->out.params.length - 
+				  (p+12 - op->trans->out.params.data), STR_UNICODE);
+		SIVAL(p, 8, len);
+
+		ofs = len + 12;
+
+		if (ofs & 3) {
+			int pad = 4 - (ofs & 3);
+			memset(p+ofs, 0, pad);
+			ofs += pad;
+		}
+
+		if (i == info->nttrans.out.num_changes-1) {
+			SIVAL(p, 0, 0);
+		} else {
+			SIVAL(p, 0, ofs);
+		}
+
+		p += ofs;
+	}
+
+	op->trans->out.params.length = p - op->trans->out.params.data;
+
+	return NT_STATUS_OK;
+}
+
+/* 
+   parse NTTRANS_NOTIFY_CHANGE request
+ */
+static NTSTATUS nttrans_notify_change(struct smbsrv_request *req, 
+				      struct nttrans_op *op)
+{
+	struct smb_nttrans *trans = op->trans;
+	union smb_notify *info;
+
+	/* should have at least 4 setup words */
+	if (trans->in.setup_count != 4) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	info = talloc(op, union smb_notify);
+	NT_STATUS_HAVE_NO_MEMORY(info);
+
+	info->nttrans.level			= RAW_NOTIFY_NTTRANS;
+	info->nttrans.in.completion_filter	= IVAL(trans->in.setup, 0);
+	info->nttrans.in.file.ntvfs		= smbsrv_pull_fnum(req, (uint8_t *)trans->in.setup, 4);
+	info->nttrans.in.recursive		= SVAL(trans->in.setup, 6);
+	info->nttrans.in.buffer_size		= trans->in.max_param;
+
+	op->op_info = info;
+	op->send_fn = nttrans_notify_change_send;
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(info->nttrans.in.file.ntvfs);
+	return ntvfs_notify(req->ntvfs, info);
+}
+
+/*
+  backend for nttrans requests
+*/
+static NTSTATUS nttrans_backend(struct smbsrv_request *req, 
+				struct nttrans_op *op)
+{
+	/* the nttrans command is in function */
+	switch (op->trans->in.function) {
+	case NT_TRANSACT_CREATE:
+		return nttrans_create(req, op);
+	case NT_TRANSACT_IOCTL:
+		return nttrans_ioctl(req, op);
+	case NT_TRANSACT_RENAME:
+		return nttrans_rename(req, op);
+	case NT_TRANSACT_QUERY_SECURITY_DESC:
+		return nttrans_query_sec_desc(req, op);
+	case NT_TRANSACT_SET_SECURITY_DESC:
+		return nttrans_set_sec_desc(req, op);
+	case NT_TRANSACT_NOTIFY_CHANGE:
+		return nttrans_notify_change(req, op);
+	}
+
+	/* an unknown nttrans command */
+	return NT_STATUS_DOS(ERRSRV, ERRerror);
+}
+
+
+static void reply_nttrans_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	uint32_t params_left, data_left;
+	uint8_t *params, *data;
+	struct smb_nttrans *trans;
+	struct nttrans_op *op;
+
+	SMBSRV_CHECK_ASYNC_STATUS(op, struct nttrans_op);
+
+	trans = op->trans;
+
+	/* if this function needs work to form the nttrans reply buffer, then
+	   call that now */
+	if (op->send_fn != NULL) {
+		NTSTATUS status;
+		status = op->send_fn(op);
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_send_error(req, status);
+			return;
+		}
+	}
+
+	smbsrv_setup_reply(req, 18 + trans->out.setup_count, 0);
+
+	/* note that we don't check the max_setup count (matching w2k3
+	   behaviour) */
+
+	if (trans->out.params.length > trans->in.max_param) {
+		smbsrv_setup_error(req, NT_STATUS_BUFFER_TOO_SMALL);
+		trans->out.params.length = trans->in.max_param;
+	}
+	if (trans->out.data.length > trans->in.max_data) {
+		smbsrv_setup_error(req, NT_STATUS_BUFFER_TOO_SMALL);
+		trans->out.data.length = trans->in.max_data;
+	}
+
+	params_left = trans->out.params.length;
+	data_left   = trans->out.data.length;
+	params      = trans->out.params.data;
+	data        = trans->out.data.data;
+
+	/* we need to divide up the reply into chunks that fit into
+	   the negotiated buffer size */
+	do {
+		uint32_t this_data, this_param, max_bytes;
+		unsigned int align1 = 1, align2 = (params_left ? 2 : 0);
+		struct smbsrv_request *this_req;
+
+		max_bytes = req_max_data(req) - (align1 + align2);
+
+		this_param = params_left;
+		if (this_param > max_bytes) {
+			this_param = max_bytes;
+		}
+		max_bytes -= this_param;
+
+		this_data = data_left;
+		if (this_data > max_bytes) {
+			this_data = max_bytes;
+		}
+
+		/* don't destroy unless this is the last chunk */
+		if (params_left - this_param != 0 || 
+		    data_left - this_data != 0) {
+			this_req = smbsrv_setup_secondary_request(req);
+		} else {
+			this_req = req;
+		}
+
+		req_grow_data(this_req, this_param + this_data + (align1 + align2));
+
+		SSVAL(this_req->out.vwv, 0, 0); /* reserved */
+		SCVAL(this_req->out.vwv, 2, 0); /* reserved */
+		SIVAL(this_req->out.vwv, 3, trans->out.params.length);
+		SIVAL(this_req->out.vwv, 7, trans->out.data.length);
+
+		SIVAL(this_req->out.vwv, 11, this_param);
+		SIVAL(this_req->out.vwv, 15, align1 + PTR_DIFF(this_req->out.data, this_req->out.hdr));
+		SIVAL(this_req->out.vwv, 19, PTR_DIFF(params, trans->out.params.data));
+
+		SIVAL(this_req->out.vwv, 23, this_data);
+		SIVAL(this_req->out.vwv, 27, align1 + align2 + 
+		      PTR_DIFF(this_req->out.data + this_param, this_req->out.hdr));
+		SIVAL(this_req->out.vwv, 31, PTR_DIFF(data, trans->out.data.data));
+
+		SCVAL(this_req->out.vwv, 35, trans->out.setup_count);
+		if (trans->out.setup_count > 0) {
+			memcpy((char *)(this_req->out.vwv) + VWV(18),
+			       trans->out.setup,
+			       sizeof(uint16_t) * trans->out.setup_count);
+		}
+		memset(this_req->out.data, 0, align1);
+		if (this_param != 0) {
+			memcpy(this_req->out.data + align1, params, this_param);
+		}
+		memset(this_req->out.data+this_param+align1, 0, align2);
+		if (this_data != 0) {
+			memcpy(this_req->out.data+this_param+align1+align2, 
+			       data, this_data);
+		}
+
+		params_left -= this_param;
+		data_left -= this_data;
+		params += this_param;
+		data += this_data;
+
+		smbsrv_send_reply(this_req);
+	} while (params_left != 0 || data_left != 0);
+}
+
+/*
+  send a continue request
+*/
+static void reply_nttrans_continue(struct smbsrv_request *req, struct smb_nttrans *trans)
+{
+	struct smbsrv_request *req2;
+	struct smbsrv_trans_partial *tp;
+	int count;
+
+	/* make sure they don't flood us */
+	for (count=0,tp=req->smb_conn->trans_partial;tp;tp=tp->next) count++;
+	if (count > 100) {
+		smbsrv_send_error(req, NT_STATUS_INSUFFICIENT_RESOURCES);
+		return;
+	}
+
+	tp = talloc(req, struct smbsrv_trans_partial);
+
+	tp->req = req;
+	tp->u.nttrans = trans;
+	tp->command = SMBnttrans;
+
+	DLIST_ADD(req->smb_conn->trans_partial, tp);
+	talloc_set_destructor(tp, smbsrv_trans_partial_destructor);
+
+	req2 = smbsrv_setup_secondary_request(req);
+
+	/* send a 'please continue' reply */
+	smbsrv_setup_reply(req2, 0, 0);
+	smbsrv_send_reply(req2);
+}
+
+
+/*
+  answer a reconstructed trans request
+*/
+static void reply_nttrans_complete(struct smbsrv_request *req, struct smb_nttrans *trans)
+{
+	struct nttrans_op *op;
+
+	SMBSRV_TALLOC_IO_PTR(op, struct nttrans_op);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_nttrans_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	op->trans	= trans;
+	op->op_info	= NULL;
+	op->send_fn	= NULL;
+
+	/* its a full request, give it to the backend */
+	ZERO_STRUCT(trans->out);
+	SMBSRV_CALL_NTVFS_BACKEND(nttrans_backend(req, op));
+}
+
+
+/****************************************************************************
+ Reply to an SMBnttrans request
+****************************************************************************/
+void smbsrv_reply_nttrans(struct smbsrv_request *req)
+{
+	struct smb_nttrans *trans;
+	uint32_t param_ofs, data_ofs;
+	uint32_t param_count, data_count;
+	uint32_t param_total, data_total;
+
+	/* parse request */
+	if (req->in.wct < 19) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	trans = talloc(req, struct smb_nttrans);
+	if (trans == NULL) {
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+
+	trans->in.max_setup  = CVAL(req->in.vwv, 0);
+	param_total          = IVAL(req->in.vwv, 3);
+	data_total           = IVAL(req->in.vwv, 7);
+	trans->in.max_param  = IVAL(req->in.vwv, 11);
+	trans->in.max_data   = IVAL(req->in.vwv, 15);
+	param_count          = IVAL(req->in.vwv, 19);
+	param_ofs            = IVAL(req->in.vwv, 23);
+	data_count           = IVAL(req->in.vwv, 27);
+	data_ofs             = IVAL(req->in.vwv, 31);
+	trans->in.setup_count= CVAL(req->in.vwv, 35);
+	trans->in.function   = SVAL(req->in.vwv, 36);
+
+	if (req->in.wct != 19 + trans->in.setup_count) {
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+		return;
+	}
+
+	/* parse out the setup words */
+	trans->in.setup = talloc_array(req, uint8_t, trans->in.setup_count*2);
+	if (!trans->in.setup) {
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+	memcpy(trans->in.setup, (char *)(req->in.vwv) + VWV(19),
+	       sizeof(uint16_t) * trans->in.setup_count);
+
+	if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &trans->in.params) ||
+	    !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &trans->in.data)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	/* is it a partial request? if so, then send a 'send more' message */
+	if (param_total > param_count || data_total > data_count) {
+		reply_nttrans_continue(req, trans);
+		return;
+	}
+
+	reply_nttrans_complete(req, trans);
+}
+
+
+/****************************************************************************
+ Reply to an SMBnttranss request
+****************************************************************************/
+void smbsrv_reply_nttranss(struct smbsrv_request *req)
+{
+	struct smbsrv_trans_partial *tp;
+	struct smb_nttrans *trans = NULL;
+	uint32_t param_ofs, data_ofs;
+	uint32_t param_count, data_count;
+	uint32_t param_disp, data_disp;
+	uint32_t param_total, data_total;
+	DATA_BLOB params, data;
+
+	/* parse request */
+	if (req->in.wct != 18) {
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+		return;
+	}
+
+	for (tp=req->smb_conn->trans_partial;tp;tp=tp->next) {
+		if (tp->command == SMBnttrans &&
+		    SVAL(tp->req->in.hdr, HDR_MID) == SVAL(req->in.hdr, HDR_MID)) {
+/* TODO: check the VUID, PID and TID too? */
+			break;
+		}
+	}
+
+	if (tp == NULL) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	trans = tp->u.nttrans;
+
+	param_total           = IVAL(req->in.vwv, 3);
+	data_total            = IVAL(req->in.vwv, 7);
+	param_count           = IVAL(req->in.vwv, 11);
+	param_ofs             = IVAL(req->in.vwv, 15);
+	param_disp            = IVAL(req->in.vwv, 19);
+	data_count            = IVAL(req->in.vwv, 23);
+	data_ofs              = IVAL(req->in.vwv, 27);
+	data_disp             = IVAL(req->in.vwv, 31);
+
+	if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &params) ||
+	    !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &data)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	/* only allow contiguous requests */
+	if ((param_count != 0 &&
+	     param_disp != trans->in.params.length) ||
+	    (data_count != 0 &&
+	     data_disp != trans->in.data.length)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	/* add to the existing request */
+	if (param_count != 0) {
+		trans->in.params.data = talloc_realloc(trans,
+						       trans->in.params.data,
+						       uint8_t,
+						       param_disp + param_count);
+		if (trans->in.params.data == NULL) {
+			smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+		trans->in.params.length = param_disp + param_count;
+	}
+
+	if (data_count != 0) {
+		trans->in.data.data = talloc_realloc(trans,
+						     trans->in.data.data,
+						     uint8_t,
+						     data_disp + data_count);
+		if (trans->in.data.data == NULL) {
+			smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+		trans->in.data.length = data_disp + data_count;
+	}
+
+	memcpy(trans->in.params.data + param_disp, params.data, params.length);
+	memcpy(trans->in.data.data + data_disp, data.data, data.length);
+
+	/* the sequence number of the reply is taken from the last secondary
+	   response */
+	tp->req->seq_num = req->seq_num;
+
+	/* we don't reply to Transs2 requests */
+	talloc_free(req);
+
+	if (trans->in.params.length == param_total &&
+	    trans->in.data.length == data_total) {
+		/* its now complete */
+		req = tp->req;
+		talloc_free(tp);
+		reply_nttrans_complete(req, trans);
+	}
+	return;
+}
diff --git a/source4/smb_server/smb/receive.c b/source4/smb_server/smb/receive.c
new file mode 100644
index 0000000..b96cdbd
--- /dev/null
+++ b/source4/smb_server/smb/receive.c
@@ -0,0 +1,679 @@
+/* 
+   Unix SMB/CIFS implementation.
+   process incoming packets - main loop
+   Copyright (C) Andrew Tridgell 1992-2005
+   Copyright (C) James J Myers 2003 <myersjj@samba.org>
+   Copyright (C) Stefan Metzmacher 2004-2005
+   
+   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/time.h"
+#include "lib/util/server_id.h"
+#include "samba/service_stream.h"
+#include "smb_server/smb_server.h"
+#include "system/filesys.h"
+#include "param/param.h"
+#include "cluster/cluster.h"
+
+/*
+  send an oplock break request to a client
+*/
+NTSTATUS smbsrv_send_oplock_break(void *p, struct ntvfs_handle *ntvfs, uint8_t level)
+{
+	struct smbsrv_tcon *tcon = talloc_get_type(p, struct smbsrv_tcon);
+	struct smbsrv_request *req;
+
+	req = smbsrv_init_request(tcon->smb_conn);
+	NT_STATUS_HAVE_NO_MEMORY(req);
+
+	smbsrv_setup_reply(req, 8, 0);
+
+	SCVAL(req->out.hdr,HDR_COM,SMBlockingX);
+	SSVAL(req->out.hdr,HDR_TID,tcon->tid);
+	SSVAL(req->out.hdr,HDR_PID,0xFFFF);
+	SSVAL(req->out.hdr,HDR_UID,0);
+	SSVAL(req->out.hdr,HDR_MID,0xFFFF);
+	SCVAL(req->out.hdr,HDR_FLG,0);
+	SSVAL(req->out.hdr,HDR_FLG2,0);
+
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+	smbsrv_push_fnum(req->out.vwv, VWV(2), ntvfs);
+	SCVAL(req->out.vwv, VWV(3), LOCKING_ANDX_OPLOCK_RELEASE);
+	SCVAL(req->out.vwv, VWV(3)+1, level);
+	SIVAL(req->out.vwv, VWV(4), 0);
+	SSVAL(req->out.vwv, VWV(6), 0);
+	SSVAL(req->out.vwv, VWV(7), 0);
+
+	smbsrv_send_reply(req);
+	return NT_STATUS_OK;
+}
+
+static void switch_message(int type, struct smbsrv_request *req);
+
+/*
+  These flags determine some of the permissions required to do an operation 
+*/
+#define NEED_SESS		(1<<0)
+#define NEED_TCON		(1<<1)
+#define SIGNING_NO_REPLY	(1<<2)
+/* does VWV(0) of the request hold chaining information */
+#define AND_X			(1<<3)
+/* The 64Kb question: are requests > 64K valid? */
+#define LARGE_REQUEST	(1<<4)
+
+/* 
+   define a list of possible SMB messages and their corresponding
+   functions. Any message that has a NULL function is unimplemented -
+   please feel free to contribute implementations!
+*/
+static const struct smb_message_struct
+{
+	const char *name;
+	void (*fn)(struct smbsrv_request *);
+#define message_flags(type) smb_messages[(type) & 0xff].flags
+	int flags;
+}
+ smb_messages[256] = {
+/* 0x00 */ { "SMBmkdir",	smbsrv_reply_mkdir,		NEED_SESS|NEED_TCON },
+/* 0x01 */ { "SMBrmdir",	smbsrv_reply_rmdir,		NEED_SESS|NEED_TCON },
+/* 0x02 */ { "SMBopen",		smbsrv_reply_open,		NEED_SESS|NEED_TCON },
+/* 0x03 */ { "SMBcreate",	smbsrv_reply_mknew,		NEED_SESS|NEED_TCON },
+/* 0x04 */ { "SMBclose",	smbsrv_reply_close,		NEED_SESS|NEED_TCON },
+/* 0x05 */ { "SMBflush",	smbsrv_reply_flush,		NEED_SESS|NEED_TCON },
+/* 0x06 */ { "SMBunlink",	smbsrv_reply_unlink,		NEED_SESS|NEED_TCON },
+/* 0x07 */ { "SMBmv",		smbsrv_reply_mv,		NEED_SESS|NEED_TCON },
+/* 0x08 */ { "SMBgetatr",	smbsrv_reply_getatr,		NEED_SESS|NEED_TCON },
+/* 0x09 */ { "SMBsetatr",	smbsrv_reply_setatr,		NEED_SESS|NEED_TCON },
+/* 0x0a */ { "SMBread",		smbsrv_reply_read,		NEED_SESS|NEED_TCON },
+/* 0x0b */ { "SMBwrite",	smbsrv_reply_write,		NEED_SESS|NEED_TCON },
+/* 0x0c */ { "SMBlock",		smbsrv_reply_lock,		NEED_SESS|NEED_TCON },
+/* 0x0d */ { "SMBunlock",	smbsrv_reply_unlock,		NEED_SESS|NEED_TCON },
+/* 0x0e */ { "SMBctemp",	smbsrv_reply_ctemp,		NEED_SESS|NEED_TCON },
+/* 0x0f */ { "SMBmknew",	smbsrv_reply_mknew,		NEED_SESS|NEED_TCON }, 
+/* 0x10 */ { "SMBcheckpath",	smbsrv_reply_chkpth,		NEED_SESS|NEED_TCON },
+/* 0x11 */ { "SMBexit",		smbsrv_reply_exit,		NEED_SESS },
+/* 0x12 */ { "SMBlseek",	smbsrv_reply_lseek,		NEED_SESS|NEED_TCON },
+/* 0x13 */ { "SMBlockread",	smbsrv_reply_lockread,		NEED_SESS|NEED_TCON },
+/* 0x14 */ { "SMBwriteunlock",	smbsrv_reply_writeunlock,	NEED_SESS|NEED_TCON },
+/* 0x15 */ { NULL, NULL, 0 },
+/* 0x16 */ { NULL, NULL, 0 },
+/* 0x17 */ { NULL, NULL, 0 },
+/* 0x18 */ { NULL, NULL, 0 },
+/* 0x19 */ { NULL, NULL, 0 },
+/* 0x1a */ { "SMBreadbraw",	smbsrv_reply_readbraw,		NEED_SESS|NEED_TCON },
+/* 0x1b */ { "SMBreadBmpx",	smbsrv_reply_readbmpx,		NEED_SESS|NEED_TCON },
+/* 0x1c */ { "SMBreadBs",	NULL,				0 },
+/* 0x1d */ { "SMBwritebraw",	smbsrv_reply_writebraw,		NEED_SESS|NEED_TCON },
+/* 0x1e */ { "SMBwriteBmpx",	smbsrv_reply_writebmpx,		NEED_SESS|NEED_TCON },
+/* 0x1f */ { "SMBwriteBs",	smbsrv_reply_writebs,		NEED_SESS|NEED_TCON },
+/* 0x20 */ { "SMBwritec",	NULL,				0 },
+/* 0x21 */ { NULL, NULL, 0 },
+/* 0x22 */ { "SMBsetattrE",	smbsrv_reply_setattrE,		NEED_SESS|NEED_TCON },
+/* 0x23 */ { "SMBgetattrE",	smbsrv_reply_getattrE,		NEED_SESS|NEED_TCON },
+/* 0x24 */ { "SMBlockingX",	smbsrv_reply_lockingX,		NEED_SESS|NEED_TCON|AND_X },
+/* 0x25 */ { "SMBtrans",	smbsrv_reply_trans,		NEED_SESS|NEED_TCON },
+/* 0x26 */ { "SMBtranss",	smbsrv_reply_transs,		NEED_SESS|NEED_TCON },
+/* 0x27 */ { "SMBioctl",	smbsrv_reply_ioctl,		NEED_SESS|NEED_TCON },
+/* 0x28 */ { "SMBioctls",	NULL,				NEED_SESS|NEED_TCON },
+/* 0x29 */ { "SMBcopy",		smbsrv_reply_copy,		NEED_SESS|NEED_TCON },
+/* 0x2a */ { "SMBmove",		NULL,				NEED_SESS|NEED_TCON },
+/* 0x2b */ { "SMBecho",		smbsrv_reply_echo,		0 },
+/* 0x2c */ { "SMBwriteclose",	smbsrv_reply_writeclose,	NEED_SESS|NEED_TCON },
+/* 0x2d */ { "SMBopenX",	smbsrv_reply_open_and_X,	NEED_SESS|NEED_TCON|AND_X },
+/* 0x2e */ { "SMBreadX",	smbsrv_reply_read_and_X,	NEED_SESS|NEED_TCON|AND_X },
+/* 0x2f */ { "SMBwriteX",	smbsrv_reply_write_and_X,	NEED_SESS|NEED_TCON|AND_X|LARGE_REQUEST},
+/* 0x30 */ { NULL, NULL, 0 },
+/* 0x31 */ { NULL, NULL, 0 },
+/* 0x32 */ { "SMBtrans2",	smbsrv_reply_trans2,		NEED_SESS|NEED_TCON },
+/* 0x33 */ { "SMBtranss2",	smbsrv_reply_transs2,		NEED_SESS|NEED_TCON },
+/* 0x34 */ { "SMBfindclose",	smbsrv_reply_findclose,		NEED_SESS|NEED_TCON },
+/* 0x35 */ { "SMBfindnclose",	smbsrv_reply_findnclose,	NEED_SESS|NEED_TCON },
+/* 0x36 */ { NULL, NULL, 0 },
+/* 0x37 */ { NULL, NULL, 0 },
+/* 0x38 */ { NULL, NULL, 0 },
+/* 0x39 */ { NULL, NULL, 0 },
+/* 0x3a */ { NULL, NULL, 0 },
+/* 0x3b */ { NULL, NULL, 0 },
+/* 0x3c */ { NULL, NULL, 0 },
+/* 0x3d */ { NULL, NULL, 0 },
+/* 0x3e */ { NULL, NULL, 0 },
+/* 0x3f */ { NULL, NULL, 0 },
+/* 0x40 */ { NULL, NULL, 0 },
+/* 0x41 */ { NULL, NULL, 0 },
+/* 0x42 */ { NULL, NULL, 0 },
+/* 0x43 */ { NULL, NULL, 0 },
+/* 0x44 */ { NULL, NULL, 0 },
+/* 0x45 */ { NULL, NULL, 0 },
+/* 0x46 */ { NULL, NULL, 0 },
+/* 0x47 */ { NULL, NULL, 0 },
+/* 0x48 */ { NULL, NULL, 0 },
+/* 0x49 */ { NULL, NULL, 0 },
+/* 0x4a */ { NULL, NULL, 0 },
+/* 0x4b */ { NULL, NULL, 0 },
+/* 0x4c */ { NULL, NULL, 0 },
+/* 0x4d */ { NULL, NULL, 0 },
+/* 0x4e */ { NULL, NULL, 0 },
+/* 0x4f */ { NULL, NULL, 0 },
+/* 0x50 */ { NULL, NULL, 0 },
+/* 0x51 */ { NULL, NULL, 0 },
+/* 0x52 */ { NULL, NULL, 0 },
+/* 0x53 */ { NULL, NULL, 0 },
+/* 0x54 */ { NULL, NULL, 0 },
+/* 0x55 */ { NULL, NULL, 0 },
+/* 0x56 */ { NULL, NULL, 0 },
+/* 0x57 */ { NULL, NULL, 0 },
+/* 0x58 */ { NULL, NULL, 0 },
+/* 0x59 */ { NULL, NULL, 0 },
+/* 0x5a */ { NULL, NULL, 0 },
+/* 0x5b */ { NULL, NULL, 0 },
+/* 0x5c */ { NULL, NULL, 0 },
+/* 0x5d */ { NULL, NULL, 0 },
+/* 0x5e */ { NULL, NULL, 0 },
+/* 0x5f */ { NULL, NULL, 0 },
+/* 0x60 */ { NULL, NULL, 0 },
+/* 0x61 */ { NULL, NULL, 0 },
+/* 0x62 */ { NULL, NULL, 0 },
+/* 0x63 */ { NULL, NULL, 0 },
+/* 0x64 */ { NULL, NULL, 0 },
+/* 0x65 */ { NULL, NULL, 0 },
+/* 0x66 */ { NULL, NULL, 0 },
+/* 0x67 */ { NULL, NULL, 0 },
+/* 0x68 */ { NULL, NULL, 0 },
+/* 0x69 */ { NULL, NULL, 0 },
+/* 0x6a */ { NULL, NULL, 0 },
+/* 0x6b */ { NULL, NULL, 0 },
+/* 0x6c */ { NULL, NULL, 0 },
+/* 0x6d */ { NULL, NULL, 0 },
+/* 0x6e */ { NULL, NULL, 0 },
+/* 0x6f */ { NULL, NULL, 0 },
+/* 0x70 */ { "SMBtcon",		smbsrv_reply_tcon,		NEED_SESS },
+/* 0x71 */ { "SMBtdis",		smbsrv_reply_tdis,		NEED_TCON },
+/* 0x72 */ { "SMBnegprot",	smbsrv_reply_negprot,		0 },
+/* 0x73 */ { "SMBsesssetupX",	smbsrv_reply_sesssetup,		AND_X },
+/* 0x74 */ { "SMBulogoffX",	smbsrv_reply_ulogoffX,		NEED_SESS|AND_X }, /* ulogoff doesn't give a valid TID */
+/* 0x75 */ { "SMBtconX",	smbsrv_reply_tcon_and_X,	NEED_SESS|AND_X },
+/* 0x76 */ { NULL, NULL, 0 },
+/* 0x77 */ { NULL, NULL, 0 },
+/* 0x78 */ { NULL, NULL, 0 },
+/* 0x79 */ { NULL, NULL, 0 },
+/* 0x7a */ { NULL, NULL, 0 },
+/* 0x7b */ { NULL, NULL, 0 },
+/* 0x7c */ { NULL, NULL, 0 },
+/* 0x7d */ { NULL, NULL, 0 },
+/* 0x7e */ { NULL, NULL, 0 },
+/* 0x7f */ { NULL, NULL, 0 },
+/* 0x80 */ { "SMBdskattr",	smbsrv_reply_dskattr,		NEED_SESS|NEED_TCON },
+/* 0x81 */ { "SMBsearch",	smbsrv_reply_search,		NEED_SESS|NEED_TCON },
+/* 0x82 */ { "SMBffirst",	smbsrv_reply_search,		NEED_SESS|NEED_TCON },
+/* 0x83 */ { "SMBfunique",	smbsrv_reply_search,		NEED_SESS|NEED_TCON },
+/* 0x84 */ { "SMBfclose",	smbsrv_reply_fclose,		NEED_SESS|NEED_TCON },
+/* 0x85 */ { NULL, NULL, 0 },
+/* 0x86 */ { NULL, NULL, 0 },
+/* 0x87 */ { NULL, NULL, 0 },
+/* 0x88 */ { NULL, NULL, 0 },
+/* 0x89 */ { NULL, NULL, 0 },
+/* 0x8a */ { NULL, NULL, 0 },
+/* 0x8b */ { NULL, NULL, 0 },
+/* 0x8c */ { NULL, NULL, 0 },
+/* 0x8d */ { NULL, NULL, 0 },
+/* 0x8e */ { NULL, NULL, 0 },
+/* 0x8f */ { NULL, NULL, 0 },
+/* 0x90 */ { NULL, NULL, 0 },
+/* 0x91 */ { NULL, NULL, 0 },
+/* 0x92 */ { NULL, NULL, 0 },
+/* 0x93 */ { NULL, NULL, 0 },
+/* 0x94 */ { NULL, NULL, 0 },
+/* 0x95 */ { NULL, NULL, 0 },
+/* 0x96 */ { NULL, NULL, 0 },
+/* 0x97 */ { NULL, NULL, 0 },
+/* 0x98 */ { NULL, NULL, 0 },
+/* 0x99 */ { NULL, NULL, 0 },
+/* 0x9a */ { NULL, NULL, 0 },
+/* 0x9b */ { NULL, NULL, 0 },
+/* 0x9c */ { NULL, NULL, 0 },
+/* 0x9d */ { NULL, NULL, 0 },
+/* 0x9e */ { NULL, NULL, 0 },
+/* 0x9f */ { NULL, NULL, 0 },
+/* 0xa0 */ { "SMBnttrans",	smbsrv_reply_nttrans,		NEED_SESS|NEED_TCON|LARGE_REQUEST },
+/* 0xa1 */ { "SMBnttranss",	smbsrv_reply_nttranss,		NEED_SESS|NEED_TCON },
+/* 0xa2 */ { "SMBntcreateX",	smbsrv_reply_ntcreate_and_X,	NEED_SESS|NEED_TCON|AND_X },
+/* 0xa3 */ { NULL, NULL, 0 },
+/* 0xa4 */ { "SMBntcancel",	smbsrv_reply_ntcancel,		NEED_SESS|NEED_TCON|SIGNING_NO_REPLY },
+/* 0xa5 */ { "SMBntrename",	smbsrv_reply_ntrename,		NEED_SESS|NEED_TCON },
+/* 0xa6 */ { NULL, NULL, 0 },
+/* 0xa7 */ { NULL, NULL, 0 },
+/* 0xa8 */ { NULL, NULL, 0 },
+/* 0xa9 */ { NULL, NULL, 0 },
+/* 0xaa */ { NULL, NULL, 0 },
+/* 0xab */ { NULL, NULL, 0 },
+/* 0xac */ { NULL, NULL, 0 },
+/* 0xad */ { NULL, NULL, 0 },
+/* 0xae */ { NULL, NULL, 0 },
+/* 0xaf */ { NULL, NULL, 0 },
+/* 0xb0 */ { NULL, NULL, 0 },
+/* 0xb1 */ { NULL, NULL, 0 },
+/* 0xb2 */ { NULL, NULL, 0 },
+/* 0xb3 */ { NULL, NULL, 0 },
+/* 0xb4 */ { NULL, NULL, 0 },
+/* 0xb5 */ { NULL, NULL, 0 },
+/* 0xb6 */ { NULL, NULL, 0 },
+/* 0xb7 */ { NULL, NULL, 0 },
+/* 0xb8 */ { NULL, NULL, 0 },
+/* 0xb9 */ { NULL, NULL, 0 },
+/* 0xba */ { NULL, NULL, 0 },
+/* 0xbb */ { NULL, NULL, 0 },
+/* 0xbc */ { NULL, NULL, 0 },
+/* 0xbd */ { NULL, NULL, 0 },
+/* 0xbe */ { NULL, NULL, 0 },
+/* 0xbf */ { NULL, NULL, 0 },
+/* 0xc0 */ { "SMBsplopen",	smbsrv_reply_printopen,		NEED_SESS|NEED_TCON },
+/* 0xc1 */ { "SMBsplwr",	smbsrv_reply_printwrite,	NEED_SESS|NEED_TCON },
+/* 0xc2 */ { "SMBsplclose",	smbsrv_reply_printclose,	NEED_SESS|NEED_TCON },
+/* 0xc3 */ { "SMBsplretq",	smbsrv_reply_printqueue,	NEED_SESS|NEED_TCON },
+/* 0xc4 */ { NULL, NULL, 0 },
+/* 0xc5 */ { NULL, NULL, 0 },
+/* 0xc6 */ { NULL, NULL, 0 },
+/* 0xc7 */ { NULL, NULL, 0 },
+/* 0xc8 */ { NULL, NULL, 0 },
+/* 0xc9 */ { NULL, NULL, 0 },
+/* 0xca */ { NULL, NULL, 0 },
+/* 0xcb */ { NULL, NULL, 0 },
+/* 0xcc */ { NULL, NULL, 0 },
+/* 0xcd */ { NULL, NULL, 0 },
+/* 0xce */ { NULL, NULL, 0 },
+/* 0xcf */ { NULL, NULL, 0 },
+/* 0xd0 */ { "SMBsends",	NULL,				0 },
+/* 0xd1 */ { "SMBsendb",	NULL,				0 },
+/* 0xd2 */ { "SMBfwdname",	NULL,				0 },
+/* 0xd3 */ { "SMBcancelf",	NULL,				0 },
+/* 0xd4 */ { "SMBgetmac",	NULL,				0 },
+/* 0xd5 */ { "SMBsendstrt",	NULL,				0 },
+/* 0xd6 */ { "SMBsendend",	NULL,				0 },
+/* 0xd7 */ { "SMBsendtxt",	NULL,				0 },
+/* 0xd8 */ { NULL, NULL, 0 },
+/* 0xd9 */ { NULL, NULL, 0 },
+/* 0xda */ { NULL, NULL, 0 },
+/* 0xdb */ { NULL, NULL, 0 },
+/* 0xdc */ { NULL, NULL, 0 },
+/* 0xdd */ { NULL, NULL, 0 },
+/* 0xde */ { NULL, NULL, 0 },
+/* 0xdf */ { NULL, NULL, 0 },
+/* 0xe0 */ { NULL, NULL, 0 },
+/* 0xe1 */ { NULL, NULL, 0 },
+/* 0xe2 */ { NULL, NULL, 0 },
+/* 0xe3 */ { NULL, NULL, 0 },
+/* 0xe4 */ { NULL, NULL, 0 },
+/* 0xe5 */ { NULL, NULL, 0 },
+/* 0xe6 */ { NULL, NULL, 0 },
+/* 0xe7 */ { NULL, NULL, 0 },
+/* 0xe8 */ { NULL, NULL, 0 },
+/* 0xe9 */ { NULL, NULL, 0 },
+/* 0xea */ { NULL, NULL, 0 },
+/* 0xeb */ { NULL, NULL, 0 },
+/* 0xec */ { NULL, NULL, 0 },
+/* 0xed */ { NULL, NULL, 0 },
+/* 0xee */ { NULL, NULL, 0 },
+/* 0xef */ { NULL, NULL, 0 },
+/* 0xf0 */ { NULL, NULL, 0 },
+/* 0xf1 */ { NULL, NULL, 0 },
+/* 0xf2 */ { NULL, NULL, 0 },
+/* 0xf3 */ { NULL, NULL, 0 },
+/* 0xf4 */ { NULL, NULL, 0 },
+/* 0xf5 */ { NULL, NULL, 0 },
+/* 0xf6 */ { NULL, NULL, 0 },
+/* 0xf7 */ { NULL, NULL, 0 },
+/* 0xf8 */ { NULL, NULL, 0 },
+/* 0xf9 */ { NULL, NULL, 0 },
+/* 0xfa */ { NULL, NULL, 0 },
+/* 0xfb */ { NULL, NULL, 0 },
+/* 0xfc */ { NULL, NULL, 0 },
+/* 0xfd */ { NULL, NULL, 0 },
+/* 0xfe */ { NULL, NULL, 0 },
+/* 0xff */ { NULL, NULL, 0 }
+};
+
+/****************************************************************************
+receive a SMB request header from the wire, forming a request_context
+from the result
+****************************************************************************/
+NTSTATUS smbsrv_recv_smb_request(void *private_data, DATA_BLOB blob)
+{
+	struct smbsrv_connection *smb_conn = talloc_get_type(private_data, struct smbsrv_connection);
+	struct smbsrv_request *req;
+	struct timeval cur_time = timeval_current();
+	uint8_t command;
+
+	smb_conn->statistics.last_request_time = cur_time;
+
+	/* see if its a special NBT packet */
+	if (CVAL(blob.data, 0) != 0) {
+		req = smbsrv_init_request(smb_conn);
+		NT_STATUS_HAVE_NO_MEMORY(req);
+
+		ZERO_STRUCT(req->in);
+
+		req->in.buffer = talloc_steal(req, blob.data);
+		req->in.size = blob.length;
+		req->request_time = cur_time;
+
+		smbsrv_reply_special(req);
+		return NT_STATUS_OK;
+	}
+
+	if ((NBT_HDR_SIZE + MIN_SMB_SIZE) > blob.length) {
+		DEBUG(2,("Invalid SMB packet: length %ld\n", (long)blob.length));
+		smbsrv_terminate_connection(smb_conn, "Invalid SMB packet");
+		return NT_STATUS_OK;
+	}
+
+	/* Make sure this is an SMB packet */
+	if (IVAL(blob.data, NBT_HDR_SIZE) != SMB_MAGIC) {
+		DEBUG(2,("Non-SMB packet of length %ld. Terminating connection\n",
+			 (long)blob.length));
+		smbsrv_terminate_connection(smb_conn, "Non-SMB packet");
+		return NT_STATUS_OK;
+	}
+
+	req = smbsrv_init_request(smb_conn);
+	NT_STATUS_HAVE_NO_MEMORY(req);
+
+	req->in.buffer = talloc_steal(req, blob.data);
+	req->in.size = blob.length;
+	req->request_time = cur_time;
+	req->chained_fnum = -1;
+	req->in.allocated = req->in.size;
+	req->in.hdr = req->in.buffer + NBT_HDR_SIZE;
+	req->in.vwv = req->in.hdr + HDR_VWV;
+	req->in.wct = CVAL(req->in.hdr, HDR_WCT);
+
+	command = CVAL(req->in.hdr, HDR_COM);
+
+	if (req->in.vwv + VWV(req->in.wct) <= req->in.buffer + req->in.size) {
+		req->in.data = req->in.vwv + VWV(req->in.wct) + 2;
+		req->in.data_size = SVAL(req->in.vwv, VWV(req->in.wct));
+
+		/* special handling for oversize calls. Windows seems
+		   to take the maximum of the BCC value and the
+		   computed buffer size. This handles oversized writeX
+		   calls, and possibly oversized SMBtrans calls */
+		if ((message_flags(command) & LARGE_REQUEST) &&
+		    ( !(message_flags(command) & AND_X) ||
+		      (req->in.wct < 1 || SVAL(req->in.vwv, VWV(0)) == SMB_CHAIN_NONE)) &&
+		    req->in.data_size < req->in.size - PTR_DIFF(req->in.data,req->in.buffer)) {
+			req->in.data_size = req->in.size - PTR_DIFF(req->in.data,req->in.buffer);
+		}
+	}
+
+	if (NBT_HDR_SIZE + MIN_SMB_SIZE + 2*req->in.wct > req->in.size) {
+		DEBUG(2,("Invalid SMB word count %d\n", req->in.wct));
+		smbsrv_terminate_connection(req->smb_conn, "Invalid SMB packet");
+		return NT_STATUS_OK;
+	}
+ 
+	if (NBT_HDR_SIZE + MIN_SMB_SIZE + 2*req->in.wct + req->in.data_size > req->in.size) {
+		DEBUG(2,("Invalid SMB buffer length count %d\n", 
+			 (int)req->in.data_size));
+		smbsrv_terminate_connection(req->smb_conn, "Invalid SMB packet");
+		return NT_STATUS_OK;
+	}
+
+	req->flags2	= SVAL(req->in.hdr, HDR_FLG2);
+
+	/* fix the bufinfo */
+	smbsrv_setup_bufinfo(req);
+
+	if (!smbsrv_signing_check_incoming(req)) {
+		smbsrv_send_error(req, NT_STATUS_ACCESS_DENIED);
+		return NT_STATUS_OK;
+	}
+
+	command = CVAL(req->in.hdr, HDR_COM);
+	switch_message(command, req);
+	return NT_STATUS_OK;
+}
+
+/****************************************************************************
+return a string containing the function name of a SMB command
+****************************************************************************/
+static const char *smb_fn_name(uint8_t type)
+{
+	const char *unknown_name = "SMBunknown";
+
+	if (smb_messages[type].name == NULL)
+		return unknown_name;
+
+	return smb_messages[type].name;
+}
+
+
+/****************************************************************************
+ Do a switch on the message type and call the specific reply function for this 
+message. Unlike earlier versions of Samba the reply functions are responsible
+for sending the reply themselves, rather than returning a size to this function
+The reply functions may also choose to delay the processing by pushing the message
+onto the message queue
+****************************************************************************/
+static void switch_message(int type, struct smbsrv_request *req)
+{
+	int flags;
+	struct smbsrv_connection *smb_conn = req->smb_conn;
+	NTSTATUS status;
+	struct server_id_buf idbuf;
+
+	type &= 0xff;
+
+	errno = 0;
+
+	if (smb_messages[type].fn == NULL) {
+		DEBUG(0,("Unknown message type %d!\n",type));
+		smbsrv_reply_unknown(req);
+		return;
+	}
+
+	flags = smb_messages[type].flags;
+
+	req->tcon = smbsrv_smb_tcon_find(smb_conn, SVAL(req->in.hdr,HDR_TID), req->request_time);
+
+	if (!req->session) {
+		/* setup the user context for this request if it
+		   hasn't already been initialised (to cope with SMB
+		   chaining) */
+
+		req->session = smbsrv_session_find(req->smb_conn, SVAL(req->in.hdr,HDR_UID), req->request_time);
+	}
+
+	DEBUG(5, ("switch message %s (task_id %s)\n",
+		  smb_fn_name(type),
+		  server_id_str_buf(req->smb_conn->connection->server_id,
+				    &idbuf)));
+
+	/* this must be called before we do any reply */
+	if (flags & SIGNING_NO_REPLY) {
+		smbsrv_signing_no_reply(req);
+	}
+
+	/* see if the vuid is valid */
+	if ((flags & NEED_SESS) && !req->session) {
+		status = NT_STATUS_DOS(ERRSRV, ERRbaduid);
+		/* amazingly, the error code depends on the command */
+		switch (type) {
+		case SMBntcreateX:
+		case SMBntcancel:
+		case SMBulogoffX:
+			break;
+		default:
+			if (req->smb_conn->config.nt_status_support &&
+			    req->smb_conn->negotiate.client_caps & CAP_STATUS32) {
+				status = NT_STATUS_INVALID_HANDLE;
+			}
+			break;
+		}
+		/* 
+		 * TODO:
+		 * don't know how to handle smb signing for this case 
+		 * so just skip the reply
+		 */
+		if ((flags & SIGNING_NO_REPLY) &&
+		    (req->smb_conn->signing.signing_state != SMB_SIGNING_ENGINE_OFF)) {
+			DEBUG(1,("SKIP ERROR REPLY: %s %s because of unknown smb signing case\n",
+				smb_fn_name(type), nt_errstr(status)));
+			talloc_free(req);
+			return;
+		}
+		smbsrv_send_error(req, status);
+		return;
+	}
+
+	/* does this protocol need a valid tree connection? */
+	if ((flags & NEED_TCON) && !req->tcon) {
+		status = NT_STATUS_DOS(ERRSRV, ERRinvnid);
+		/* amazingly, the error code depends on the command */
+		switch (type) {
+		case SMBntcreateX:
+		case SMBntcancel:
+		case SMBtdis:
+			break;
+		default:
+			if (req->smb_conn->config.nt_status_support &&
+			    req->smb_conn->negotiate.client_caps & CAP_STATUS32) {
+				status = NT_STATUS_INVALID_HANDLE;
+			}
+			break;
+		}
+		/* 
+		 * TODO:
+		 * don't know how to handle smb signing for this case 
+		 * so just skip the reply
+		 */
+		if ((flags & SIGNING_NO_REPLY) &&
+		    (req->smb_conn->signing.signing_state != SMB_SIGNING_ENGINE_OFF)) {
+			DEBUG(1,("SKIP ERROR REPLY: %s %s because of unknown smb signing case\n",
+				smb_fn_name(type), nt_errstr(status)));
+			talloc_free(req);
+			return;
+		}
+		smbsrv_send_error(req, status);
+		return;
+	}
+
+	smb_messages[type].fn(req);
+}
+
+/*
+  we call this when first first part of a possibly chained request has been completed
+  and we need to call the 2nd part, if any
+*/
+void smbsrv_chain_reply(struct smbsrv_request *req)
+{
+	uint16_t chain_cmd, chain_offset;
+	uint8_t *vwv, *data;
+	uint16_t wct;
+	uint16_t data_size;
+
+	if (req->in.wct < 2 || req->out.wct < 2) {
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+		return;
+	}
+
+	chain_cmd    = CVAL(req->in.vwv, VWV(0));
+	chain_offset = SVAL(req->in.vwv, VWV(1));
+
+	if (chain_cmd == SMB_CHAIN_NONE) {
+		/* end of chain */
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		smbsrv_send_reply(req);
+		return;
+	}
+
+	if (chain_offset + req->in.hdr >= req->in.buffer + req->in.size) {
+		goto error;
+	}
+
+	wct = CVAL(req->in.hdr, chain_offset);
+	vwv = req->in.hdr + chain_offset + 1;
+
+	if (vwv + VWV(wct) + 2 > req->in.buffer + req->in.size) {
+		goto error;
+	}
+
+	data_size = SVAL(vwv, VWV(wct));
+	data = vwv + VWV(wct) + 2;
+
+	if (data + data_size > req->in.buffer + req->in.size) {
+		goto error;
+	}
+
+	/* all seems legit */
+	req->in.vwv = vwv;
+	req->in.wct = wct;
+	req->in.data = data;
+	req->in.data_size = data_size;
+	req->in.ptr = data;
+
+	/* fix the bufinfo */
+	smbsrv_setup_bufinfo(req);
+
+	req->chain_count++;
+
+	SSVAL(req->out.vwv, VWV(0), chain_cmd);
+	SSVAL(req->out.vwv, VWV(1), req->out.size - NBT_HDR_SIZE);
+
+	/* cleanup somestuff for the next request */
+	DLIST_REMOVE(req->smb_conn->requests, req);
+	talloc_unlink(req, req->ntvfs);
+	req->ntvfs = NULL;
+	talloc_free(req->io_ptr);
+	req->io_ptr = NULL;
+
+	switch_message(chain_cmd, req);
+	return;
+
+error:
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+}
+
+/*
+ * init the SMB protocol related stuff
+ */
+NTSTATUS smbsrv_init_smb_connection(struct smbsrv_connection *smb_conn, struct loadparm_context *lp_ctx)
+{
+	NTSTATUS status;
+
+	/* now initialise a few default values associated with this smb socket */
+	smb_conn->negotiate.max_send = 0xFFFF;
+
+	/* this is the size that w2k uses, and it appears to be important for
+	   good performance */
+	smb_conn->negotiate.max_recv = lpcfg_max_xmit(lp_ctx);
+
+	smb_conn->negotiate.zone_offset = get_time_zone(time(NULL));
+
+	smb_conn->config.nt_status_support = lpcfg_nt_status_support(lp_ctx);
+
+	status = smbsrv_init_sessions(smb_conn, UINT16_MAX);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = smbsrv_smb_init_tcons(smb_conn);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	smbsrv_init_signing(smb_conn);
+
+	return NT_STATUS_OK;
+}
diff --git a/source4/smb_server/smb/reply.c b/source4/smb_server/smb/reply.c
new file mode 100644
index 0000000..8511b8f
--- /dev/null
+++ b/source4/smb_server/smb/reply.c
@@ -0,0 +1,2379 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Main SMB reply routines
+   Copyright (C) Andrew Tridgell 1992-2003
+   Copyright (C) James J Myers 2003 <myersjj@samba.org>
+   Copyright (C) Stefan Metzmacher 2006
+
+   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/>.
+*/
+/*
+   This file handles most of the reply_ calls that the server
+   makes to handle specific SMB commands
+*/
+
+#include "includes.h"
+#include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "libcli/nbt/libnbt.h"
+
+
+/****************************************************************************
+ Reply to a simple request (async send)
+****************************************************************************/
+static void reply_simple_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+
+	SMBSRV_CHECK_ASYNC_STATUS_SIMPLE;
+
+	smbsrv_setup_reply(req, 0, 0);
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a tcon (async reply)
+****************************************************************************/
+static void reply_tcon_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_tcon *con;
+
+	SMBSRV_CHECK_ASYNC_STATUS(con, union smb_tcon);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 2, 0);
+
+	SSVAL(req->out.vwv, VWV(0), con->tcon.out.max_xmit);
+	SSVAL(req->out.vwv, VWV(1), con->tcon.out.tid);
+	SSVAL(req->out.hdr, HDR_TID, req->tcon->tid);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a tcon.
+****************************************************************************/
+void smbsrv_reply_tcon(struct smbsrv_request *req)
+{
+	union smb_tcon *con;
+	NTSTATUS status;
+	uint8_t *p;
+	
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 0);
+
+	SMBSRV_TALLOC_IO_PTR(con, union smb_tcon);
+
+	con->tcon.level = RAW_TCON_TCON;
+
+	p = req->in.data;	
+	p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.service, p, STR_TERMINATE);
+	p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.password, p, STR_TERMINATE);
+	p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.dev, p, STR_TERMINATE);
+
+	if (!con->tcon.in.service || !con->tcon.in.password || !con->tcon.in.dev) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	/* Instantiate backend */
+	status = smbsrv_tcon_backend(req, con);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_send_error(req, status);
+		return;
+	}
+
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_tcon_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	/* Invoke NTVFS connection hook */
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_connect(req->ntvfs, con));
+}
+
+
+/****************************************************************************
+ Reply to a tcon and X (async reply)
+****************************************************************************/
+static void reply_tcon_and_X_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_tcon *con;
+
+	SMBSRV_CHECK_ASYNC_STATUS(con, union smb_tcon);
+
+	/* construct reply - two variants */
+	if (req->smb_conn->negotiate.protocol < PROTOCOL_NT1) {
+		smbsrv_setup_reply(req, 2, 0);
+
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+
+		req_push_str(req, NULL, con->tconx.out.dev_type, -1, STR_TERMINATE|STR_ASCII);
+	} else {
+		smbsrv_setup_reply(req, 3, 0);
+
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), con->tconx.out.options);
+
+		req_push_str(req, NULL, con->tconx.out.dev_type, -1, STR_TERMINATE|STR_ASCII);
+		req_push_str(req, NULL, con->tconx.out.fs_type, -1, STR_TERMINATE);
+	}
+
+	/* set the incoming and outgoing tid to the just created one */
+	SSVAL(req->in.hdr, HDR_TID, con->tconx.out.tid);
+	SSVAL(req->out.hdr,HDR_TID, con->tconx.out.tid);
+
+	smbsrv_chain_reply(req);
+}
+
+/****************************************************************************
+ Reply to a tcon and X.
+****************************************************************************/
+void smbsrv_reply_tcon_and_X(struct smbsrv_request *req)
+{
+	NTSTATUS status;
+	union smb_tcon *con;
+	uint8_t *p;
+	uint16_t passlen;
+
+	SMBSRV_TALLOC_IO_PTR(con, union smb_tcon);
+
+	con->tconx.level = RAW_TCON_TCONX;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 4);
+
+	con->tconx.in.flags  = SVAL(req->in.vwv, VWV(2));
+	passlen              = SVAL(req->in.vwv, VWV(3));
+
+	p = req->in.data;
+
+	if (!req_pull_blob(&req->in.bufinfo, p, passlen, &con->tconx.in.password)) {
+		smbsrv_send_error(req, NT_STATUS_ILL_FORMED_PASSWORD);
+		return;
+	}
+	p += passlen;
+
+	p += req_pull_string(&req->in.bufinfo, &con->tconx.in.path, p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &con->tconx.in.device, p, -1, STR_ASCII);
+
+	if (!con->tconx.in.path || !con->tconx.in.device) {
+		smbsrv_send_error(req, NT_STATUS_BAD_DEVICE_TYPE);
+		return;
+	}
+
+	/* Instantiate backend */
+	status = smbsrv_tcon_backend(req, con);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_send_error(req, status);
+		return;
+	}
+
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_tcon_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	/* Invoke NTVFS connection hook */
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_connect(req->ntvfs, con));
+}
+
+
+/****************************************************************************
+ Reply to an unknown request
+****************************************************************************/
+void smbsrv_reply_unknown(struct smbsrv_request *req)
+{
+	int type;
+
+	type = CVAL(req->in.hdr, HDR_COM);
+  
+	DEBUG(0,("unknown command type %d (0x%X)\n", type, type));
+
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRunknownsmb));
+}
+
+
+/****************************************************************************
+ Reply to an ioctl (async reply)
+****************************************************************************/
+static void reply_ioctl_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_ioctl *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_ioctl);
+
+	/* the +1 is for nicer alignment */
+	smbsrv_setup_reply(req, 8, io->ioctl.out.blob.length+1);
+	SSVAL(req->out.vwv, VWV(1), io->ioctl.out.blob.length);
+	SSVAL(req->out.vwv, VWV(5), io->ioctl.out.blob.length);
+	SSVAL(req->out.vwv, VWV(6), PTR_DIFF(req->out.data, req->out.hdr) + 1);
+
+	memcpy(req->out.data+1, io->ioctl.out.blob.data, io->ioctl.out.blob.length);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to an ioctl.
+****************************************************************************/
+void smbsrv_reply_ioctl(struct smbsrv_request *req)
+{
+	union smb_ioctl *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_ioctl);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_ioctl_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->ioctl.level		= RAW_IOCTL_IOCTL;
+	io->ioctl.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->ioctl.in.request	= IVAL(req->in.vwv, VWV(1));
+
+	SMBSRV_CHECK_FILE_HANDLE_ERROR(io->ioctl.in.file.ntvfs,
+				       NT_STATUS_DOS(ERRSRV, ERRerror));
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_ioctl(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a chkpth.
+****************************************************************************/
+void smbsrv_reply_chkpth(struct smbsrv_request *req)
+{
+	union smb_chkpath *io;
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_chkpath);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	req_pull_ascii4(&req->in.bufinfo, &io->chkpath.in.path, req->in.data, STR_TERMINATE);
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_chkpath(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a getatr (async reply)
+****************************************************************************/
+static void reply_getatr_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_fileinfo *st;
+
+	SMBSRV_CHECK_ASYNC_STATUS(st, union smb_fileinfo);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 10, 0);
+
+	SSVAL(req->out.vwv,         VWV(0), st->getattr.out.attrib);
+	srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(1), st->getattr.out.write_time);
+	SIVAL(req->out.vwv,         VWV(3), st->getattr.out.size);
+
+	SMBSRV_VWV_RESERVED(5, 5);
+
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a getatr.
+****************************************************************************/
+void smbsrv_reply_getatr(struct smbsrv_request *req)
+{
+	union smb_fileinfo *st;
+
+	SMBSRV_TALLOC_IO_PTR(st, union smb_fileinfo);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_getatr_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+	
+	st->getattr.level = RAW_FILEINFO_GETATTR;
+
+	/* parse request */
+	req_pull_ascii4(&req->in.bufinfo, &st->getattr.in.file.path, req->in.data, STR_TERMINATE);
+	if (!st->getattr.in.file.path) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qpathinfo(req->ntvfs, st));
+}
+
+
+/****************************************************************************
+ Reply to a setatr.
+****************************************************************************/
+void smbsrv_reply_setatr(struct smbsrv_request *req)
+{
+	union smb_setfileinfo *st;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 8);
+	SMBSRV_TALLOC_IO_PTR(st, union smb_setfileinfo);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	st->setattr.level = RAW_SFILEINFO_SETATTR;
+	st->setattr.in.attrib     = SVAL(req->in.vwv, VWV(0));
+	st->setattr.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
+	
+	req_pull_ascii4(&req->in.bufinfo, &st->setattr.in.file.path, req->in.data, STR_TERMINATE);
+
+	if (!st->setattr.in.file.path) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+	
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_setpathinfo(req->ntvfs, st));
+}
+
+
+/****************************************************************************
+ Reply to a dskattr (async reply)
+****************************************************************************/
+static void reply_dskattr_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_fsinfo *fs;
+
+	SMBSRV_CHECK_ASYNC_STATUS(fs, union smb_fsinfo);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 5, 0);
+
+	SSVAL(req->out.vwv, VWV(0), fs->dskattr.out.units_total);
+	SSVAL(req->out.vwv, VWV(1), fs->dskattr.out.blocks_per_unit);
+	SSVAL(req->out.vwv, VWV(2), fs->dskattr.out.block_size);
+	SSVAL(req->out.vwv, VWV(3), fs->dskattr.out.units_free);
+
+	SMBSRV_VWV_RESERVED(4, 1);
+
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a dskattr.
+****************************************************************************/
+void smbsrv_reply_dskattr(struct smbsrv_request *req)
+{
+	union smb_fsinfo *fs;
+
+	SMBSRV_TALLOC_IO_PTR(fs, union smb_fsinfo);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_dskattr_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+	
+	fs->dskattr.level = RAW_QFS_DSKATTR;
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_fsinfo(req->ntvfs, fs));
+}
+
+
+/****************************************************************************
+ Reply to an open (async reply)
+****************************************************************************/
+static void reply_open_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *oi;
+
+	SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 7, 0);
+
+	smbsrv_push_fnum(req->out.vwv, VWV(0), oi->openold.out.file.ntvfs);
+	SSVAL(req->out.vwv, VWV(1), oi->openold.out.attrib);
+	srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(2), oi->openold.out.write_time);
+	SIVAL(req->out.vwv, VWV(4), oi->openold.out.size);
+	SSVAL(req->out.vwv, VWV(6), oi->openold.out.rmode);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to an open.
+****************************************************************************/
+void smbsrv_reply_open(struct smbsrv_request *req)
+{
+	union smb_open *oi;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 2);
+	SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_open_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	oi->openold.level = RAW_OPEN_OPEN;
+	oi->openold.in.open_mode = SVAL(req->in.vwv, VWV(0));
+	oi->openold.in.search_attrs = SVAL(req->in.vwv, VWV(1));
+
+	req_pull_ascii4(&req->in.bufinfo, &oi->openold.in.fname, req->in.data, STR_TERMINATE);
+
+	if (!oi->openold.in.fname) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
+}
+
+
+/****************************************************************************
+ Reply to an open and X (async reply)
+****************************************************************************/
+static void reply_open_and_X_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *oi;
+
+	SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
+
+	/* build the reply */
+	if (oi->openx.in.flags & OPENX_FLAGS_EXTENDED_RETURN) {
+		smbsrv_setup_reply(req, 19, 0);
+	} else {
+		smbsrv_setup_reply(req, 15, 0);
+	}
+
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+	smbsrv_push_fnum(req->out.vwv, VWV(2), oi->openx.out.file.ntvfs);
+	SSVAL(req->out.vwv, VWV(3), oi->openx.out.attrib);
+	srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(4), oi->openx.out.write_time);
+	SIVAL(req->out.vwv, VWV(6), oi->openx.out.size);
+	SSVAL(req->out.vwv, VWV(8), oi->openx.out.access);
+	SSVAL(req->out.vwv, VWV(9), oi->openx.out.ftype);
+	SSVAL(req->out.vwv, VWV(10),oi->openx.out.devstate);
+	SSVAL(req->out.vwv, VWV(11),oi->openx.out.action);
+	SIVAL(req->out.vwv, VWV(12),oi->openx.out.unique_fid);
+	SSVAL(req->out.vwv, VWV(14),0); /* reserved */
+	if (oi->openx.in.flags & OPENX_FLAGS_EXTENDED_RETURN) {
+		SIVAL(req->out.vwv, VWV(15),oi->openx.out.access_mask);
+		SMBSRV_VWV_RESERVED(17, 2);
+	}
+
+	req->chained_fnum = SVAL(req->out.vwv, VWV(2));
+
+	smbsrv_chain_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to an open and X.
+****************************************************************************/
+void smbsrv_reply_open_and_X(struct smbsrv_request *req)
+{
+	union smb_open *oi;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 15);
+	SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_open_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	oi->openx.level = RAW_OPEN_OPENX;
+	oi->openx.in.flags        = SVAL(req->in.vwv, VWV(2));
+	oi->openx.in.open_mode    = SVAL(req->in.vwv, VWV(3));
+	oi->openx.in.search_attrs = SVAL(req->in.vwv, VWV(4));
+	oi->openx.in.file_attrs   = SVAL(req->in.vwv, VWV(5));
+	oi->openx.in.write_time   = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(6));
+	oi->openx.in.open_func    = SVAL(req->in.vwv, VWV(8));
+	oi->openx.in.size         = IVAL(req->in.vwv, VWV(9));
+	oi->openx.in.timeout      = IVAL(req->in.vwv, VWV(11));
+
+	req_pull_ascii4(&req->in.bufinfo, &oi->openx.in.fname, req->in.data, STR_TERMINATE);
+
+	if (!oi->openx.in.fname) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
+}
+
+
+/****************************************************************************
+ Reply to a mknew or a create.
+****************************************************************************/
+static void reply_mknew_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *oi;
+
+	SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
+
+	/* build the reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	smbsrv_push_fnum(req->out.vwv, VWV(0), oi->mknew.out.file.ntvfs);
+
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a mknew or a create.
+****************************************************************************/
+void smbsrv_reply_mknew(struct smbsrv_request *req)
+{
+	union smb_open *oi;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_mknew_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	if (CVAL(req->in.hdr, HDR_COM) == SMBmknew) {
+		oi->mknew.level = RAW_OPEN_MKNEW;
+	} else {
+		oi->mknew.level = RAW_OPEN_CREATE;
+	}
+	oi->mknew.in.attrib  = SVAL(req->in.vwv, VWV(0));
+	oi->mknew.in.write_time  = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
+
+	req_pull_ascii4(&req->in.bufinfo, &oi->mknew.in.fname, req->in.data, STR_TERMINATE);
+
+	if (!oi->mknew.in.fname) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
+}
+
+/****************************************************************************
+ Reply to a create temporary file (async reply)
+****************************************************************************/
+static void reply_ctemp_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *oi;
+
+	SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
+
+	/* build the reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	smbsrv_push_fnum(req->out.vwv, VWV(0), oi->ctemp.out.file.ntvfs);
+
+	/* the returned filename is relative to the directory */
+	req_push_str(req, NULL, oi->ctemp.out.name, -1, STR_TERMINATE | STR_ASCII);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a create temporary file.
+****************************************************************************/
+void smbsrv_reply_ctemp(struct smbsrv_request *req)
+{
+	union smb_open *oi;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_ctemp_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	oi->ctemp.level = RAW_OPEN_CTEMP;
+	oi->ctemp.in.attrib = SVAL(req->in.vwv, VWV(0));
+	oi->ctemp.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
+
+	/* the filename is actually a directory name, the server provides a filename
+	   in that directory */
+	req_pull_ascii4(&req->in.bufinfo, &oi->ctemp.in.directory, req->in.data, STR_TERMINATE);
+
+	if (!oi->ctemp.in.directory) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
+}
+
+
+/****************************************************************************
+ Reply to a unlink
+****************************************************************************/
+void smbsrv_reply_unlink(struct smbsrv_request *req)
+{
+	union smb_unlink *unl;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(unl, union smb_unlink);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+	
+	unl->unlink.in.attrib = SVAL(req->in.vwv, VWV(0));
+
+	req_pull_ascii4(&req->in.bufinfo, &unl->unlink.in.pattern, req->in.data, STR_TERMINATE);
+	
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_unlink(req->ntvfs, unl));
+}
+
+
+/****************************************************************************
+ Reply to a readbraw (core+ protocol).
+ this is a strange packet because it doesn't use a standard SMB header in the reply,
+ only the 4 byte NBT header
+ This command must be replied to synchronously
+****************************************************************************/
+void smbsrv_reply_readbraw(struct smbsrv_request *req)
+{
+	NTSTATUS status;
+	union smb_read io;
+
+	io.readbraw.level = RAW_READ_READBRAW;
+
+	/* there are two variants, one with 10 and one with 8 command words */
+	if (req->in.wct < 8) {
+		goto failed;
+	}
+
+	io.readbraw.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io.readbraw.in.offset  = IVAL(req->in.vwv, VWV(1));
+	io.readbraw.in.maxcnt  = SVAL(req->in.vwv, VWV(3));
+	io.readbraw.in.mincnt  = SVAL(req->in.vwv, VWV(4));
+	io.readbraw.in.timeout = IVAL(req->in.vwv, VWV(5));
+
+	if (!io.readbraw.in.file.ntvfs) {
+		goto failed;
+	}
+
+	/* the 64 bit variant */
+	if (req->in.wct == 10) {
+		uint32_t offset_high = IVAL(req->in.vwv, VWV(8));
+		io.readbraw.in.offset |= (((off_t)offset_high) << 32);
+	}
+
+	/* before calling the backend we setup the raw buffer. This
+	 * saves a copy later */
+	req->out.size = io.readbraw.in.maxcnt + NBT_HDR_SIZE;
+	req->out.buffer = talloc_size(req, req->out.size);
+	if (req->out.buffer == NULL) {
+		goto failed;
+	}
+	SIVAL(req->out.buffer, 0, 0); /* init NBT header */
+
+	/* tell the backend where to put the data */
+	io.readbraw.out.data = req->out.buffer + NBT_HDR_SIZE;
+
+	/* prepare the ntvfs request */
+	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req,
+					  req->session->session_info,
+					  SVAL(req->in.hdr,HDR_PID),
+					  req->request_time,
+					  req, NULL, 0);
+	if (!req->ntvfs) {
+		goto failed;
+	}
+
+	/* call the backend */
+	status = ntvfs_read(req->ntvfs, &io);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	req->out.size = io.readbraw.out.nread + NBT_HDR_SIZE;
+
+	smbsrv_send_reply_nosign(req);
+	return;
+
+failed:
+	/* any failure in readbraw is equivalent to reading zero bytes */
+	req->out.size = 4;
+	req->out.buffer = talloc_size(req, req->out.size);
+	SIVAL(req->out.buffer, 0, 0); /* init NBT header */
+
+	smbsrv_send_reply_nosign(req);
+}
+
+
+/****************************************************************************
+ Reply to a lockread (async reply)
+****************************************************************************/
+static void reply_lockread_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_read *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_read);
+
+	/* trim packet */
+	io->lockread.out.nread = MIN(io->lockread.out.nread,
+		req_max_data(req) - 3);
+	req_grow_data(req, 3 + io->lockread.out.nread);
+
+	/* construct reply */
+	SSVAL(req->out.vwv, VWV(0), io->lockread.out.nread);
+	SMBSRV_VWV_RESERVED(1, 4);
+
+	SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
+	SSVAL(req->out.data, 1, io->lockread.out.nread);
+
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a lockread (core+ protocol).
+ note that the lock is a write lock, not a read lock!
+****************************************************************************/
+void smbsrv_reply_lockread(struct smbsrv_request *req)
+{
+	union smb_read *io;
+	
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_read);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_lockread_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->lockread.level = RAW_READ_LOCKREAD;
+	io->lockread.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->lockread.in.count     = SVAL(req->in.vwv, VWV(1));
+	io->lockread.in.offset    = IVAL(req->in.vwv, VWV(2));
+	io->lockread.in.remaining = SVAL(req->in.vwv, VWV(4));
+
+	/* setup the reply packet assuming the maximum possible read */
+	smbsrv_setup_reply(req, 5, 3 + io->lockread.in.count);
+
+	/* tell the backend where to put the data */
+	io->lockread.out.data = req->out.data + 3;
+
+	SMBSRV_CHECK_FILE_HANDLE(io->lockread.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
+}
+
+
+
+/****************************************************************************
+ Reply to a read (async reply)
+****************************************************************************/
+static void reply_read_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_read *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_read);
+
+	/* trim packet */
+	io->read.out.nread = MIN(io->read.out.nread,
+		req_max_data(req) - 3);
+	req_grow_data(req, 3 + io->read.out.nread);
+
+	/* construct reply */
+	SSVAL(req->out.vwv, VWV(0), io->read.out.nread);
+	SMBSRV_VWV_RESERVED(1, 4);
+
+	SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
+	SSVAL(req->out.data, 1, io->read.out.nread);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a read.
+****************************************************************************/
+void smbsrv_reply_read(struct smbsrv_request *req)
+{
+	union smb_read *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_read);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_read_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->read.level = RAW_READ_READ;
+	io->read.in.file.ntvfs    = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->read.in.count         = SVAL(req->in.vwv, VWV(1));
+	io->read.in.offset        = IVAL(req->in.vwv, VWV(2));
+	io->read.in.remaining     = SVAL(req->in.vwv, VWV(4));
+
+	/* setup the reply packet assuming the maximum possible read */
+	smbsrv_setup_reply(req, 5, 3 + io->read.in.count);
+
+	/* tell the backend where to put the data */
+	io->read.out.data = req->out.data + 3;
+
+	SMBSRV_CHECK_FILE_HANDLE(io->read.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a read and X (async reply)
+****************************************************************************/
+static void reply_read_and_X_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_read *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS_ERR(io, union smb_read);
+
+	/* readx reply packets can be over-sized */
+	req->control_flags |= SMBSRV_REQ_CONTROL_LARGE;
+	if (io->readx.in.maxcnt != 0xFFFF &&
+	    io->readx.in.mincnt != 0xFFFF) {
+		req_grow_data(req, 1 + io->readx.out.nread);
+		SCVAL(req->out.data, 0, 0); /* padding */
+	} else {
+		req_grow_data(req, io->readx.out.nread);
+	}
+
+	/* construct reply */
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+	SSVAL(req->out.vwv, VWV(2), io->readx.out.remaining);
+	SSVAL(req->out.vwv, VWV(3), io->readx.out.compaction_mode);
+	SMBSRV_VWV_RESERVED(4, 1);
+	SSVAL(req->out.vwv, VWV(5), io->readx.out.nread);
+	SSVAL(req->out.vwv, VWV(6), PTR_DIFF(io->readx.out.data, req->out.hdr));
+	SSVAL(req->out.vwv, VWV(7), (io->readx.out.nread>>16));
+	SMBSRV_VWV_RESERVED(8, 4);
+
+	if (!NT_STATUS_IS_OK(req->ntvfs->async_states->status)) {
+		smbsrv_setup_error(req, req->ntvfs->async_states->status);
+	}
+
+	smbsrv_chain_reply(req);
+}
+
+/****************************************************************************
+ Reply to a read and X.
+****************************************************************************/
+void smbsrv_reply_read_and_X(struct smbsrv_request *req)
+{
+	union smb_read *io;
+	uint16_t high_part = 0;
+
+	/* parse request */
+	if (req->in.wct != 12) {
+		SMBSRV_CHECK_WCT(req, 10);
+	}
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_read);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_read_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->readx.level = RAW_READ_READX;
+	io->readx.in.file.ntvfs    = smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
+	io->readx.in.offset        = IVAL(req->in.vwv, VWV(3));
+	io->readx.in.maxcnt        = SVAL(req->in.vwv, VWV(5));
+	io->readx.in.mincnt        = SVAL(req->in.vwv, VWV(6));
+	io->readx.in.remaining     = SVAL(req->in.vwv, VWV(9));
+	if (req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) {
+		io->readx.in.read_for_execute = true;
+	} else {
+		io->readx.in.read_for_execute = false;
+	}
+
+	if (req->smb_conn->negotiate.protocol == PROTOCOL_NT1) {
+		high_part = SVAL(req->in.vwv, VWV(7));
+	}
+	if (high_part != UINT16_MAX) {
+		io->readx.in.maxcnt |= high_part << 16;
+	}
+
+	/*
+	 * Windows truncates the length to 0x10000
+	 */
+	io->readx.in.maxcnt = MIN(io->readx.in.maxcnt, 0x10000);
+
+	/* the 64 bit variant */
+	if (req->in.wct == 12) {
+		uint32_t offset_high = IVAL(req->in.vwv, VWV(10));
+		io->readx.in.offset |= (((uint64_t)offset_high) << 32);
+	}
+
+	/* setup the reply packet assuming the maximum possible read */
+	smbsrv_setup_reply(req, 12, 1 + io->readx.in.maxcnt);
+
+	/* tell the backend where to put the data. Notice the pad byte. */
+	if (io->readx.in.maxcnt != 0xFFFF &&
+	    io->readx.in.mincnt != 0xFFFF) {
+		io->readx.out.data = req->out.data + 1;
+	} else {
+		io->readx.out.data = req->out.data;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->readx.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a writebraw (core+ or LANMAN1.0 protocol).
+****************************************************************************/
+void smbsrv_reply_writebraw(struct smbsrv_request *req)
+{
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
+}
+
+
+/****************************************************************************
+ Reply to a writeunlock (async reply)
+****************************************************************************/
+static void reply_writeunlock_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_write *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), io->writeunlock.out.nwritten);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a writeunlock (core+).
+****************************************************************************/
+void smbsrv_reply_writeunlock(struct smbsrv_request *req)
+{
+	union smb_write *io;
+
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_write);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_writeunlock_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->writeunlock.level = RAW_WRITE_WRITEUNLOCK;
+	io->writeunlock.in.file.ntvfs  = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->writeunlock.in.count       = SVAL(req->in.vwv, VWV(1));
+	io->writeunlock.in.offset      = IVAL(req->in.vwv, VWV(2));
+	io->writeunlock.in.remaining   = SVAL(req->in.vwv, VWV(4));
+	io->writeunlock.in.data        = req->in.data + 3;
+
+	/* make sure they gave us the data they promised */
+	if (io->writeunlock.in.count+3 > req->in.data_size) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	/* make sure the data block is big enough */
+	if (SVAL(req->in.data, 1) < io->writeunlock.in.count) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->writeunlock.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+
+
+/****************************************************************************
+ Reply to a write (async reply)
+****************************************************************************/
+static void reply_write_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_write *io;
+	
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), io->write.out.nwritten);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a write
+****************************************************************************/
+void smbsrv_reply_write(struct smbsrv_request *req)
+{
+	union smb_write *io;
+
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_write);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_write_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->write.level = RAW_WRITE_WRITE;
+	io->write.in.file.ntvfs  = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->write.in.count       = SVAL(req->in.vwv, VWV(1));
+	io->write.in.offset      = IVAL(req->in.vwv, VWV(2));
+	io->write.in.remaining   = SVAL(req->in.vwv, VWV(4));
+	io->write.in.data        = req->in.data + 3;
+
+	/* make sure they gave us the data they promised */
+	if (req_data_oob(&req->in.bufinfo, io->write.in.data, io->write.in.count)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	/* make sure the data block is big enough */
+	if (SVAL(req->in.data, 1) < io->write.in.count) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->write.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a write and X (async reply)
+****************************************************************************/
+static void reply_write_and_X_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_write *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 6, 0);
+
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+	SSVAL(req->out.vwv, VWV(2), io->writex.out.nwritten & 0xFFFF);
+	SSVAL(req->out.vwv, VWV(3), io->writex.out.remaining);
+	SSVAL(req->out.vwv, VWV(4), io->writex.out.nwritten >> 16);
+	SMBSRV_VWV_RESERVED(5, 1);
+
+	smbsrv_chain_reply(req);
+}
+
+/****************************************************************************
+ Reply to a write and X.
+****************************************************************************/
+void smbsrv_reply_write_and_X(struct smbsrv_request *req)
+{
+	union smb_write *io;
+	
+	if (req->in.wct != 14) {
+		SMBSRV_CHECK_WCT(req, 12);
+	}
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_write);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_write_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->writex.level = RAW_WRITE_WRITEX;
+	io->writex.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
+	io->writex.in.offset    = IVAL(req->in.vwv, VWV(3));
+	io->writex.in.wmode     = SVAL(req->in.vwv, VWV(7));
+	io->writex.in.remaining = SVAL(req->in.vwv, VWV(8));
+	io->writex.in.count     = SVAL(req->in.vwv, VWV(10));
+	io->writex.in.data      = req->in.hdr + SVAL(req->in.vwv, VWV(11));
+
+	if (req->in.wct == 14) {
+		uint32_t offset_high = IVAL(req->in.vwv, VWV(12));
+		uint16_t count_high = SVAL(req->in.vwv, VWV(9));
+		io->writex.in.offset |= (((uint64_t)offset_high) << 32);
+		io->writex.in.count |= ((uint32_t)count_high) << 16;
+	}
+
+	/* make sure the data is in bounds */
+	if (req_data_oob(&req->in.bufinfo, io->writex.in.data, io->writex.in.count)) {
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+		return;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->writex.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a lseek (async reply)
+****************************************************************************/
+static void reply_lseek_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_seek *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_seek);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 2, 0);
+
+	SIVALS(req->out.vwv, VWV(0), io->lseek.out.offset);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a lseek.
+****************************************************************************/
+void smbsrv_reply_lseek(struct smbsrv_request *req)
+{
+	union smb_seek *io;
+
+	SMBSRV_CHECK_WCT(req, 4);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_seek);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_lseek_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->lseek.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv,  VWV(0));
+	io->lseek.in.mode	= SVAL(req->in.vwv,  VWV(1));
+	io->lseek.in.offset	= IVALS(req->in.vwv, VWV(2));
+
+	SMBSRV_CHECK_FILE_HANDLE(io->lseek.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_seek(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a flush.
+****************************************************************************/
+void smbsrv_reply_flush(struct smbsrv_request *req)
+{
+	union smb_flush *io;
+	uint16_t fnum;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_flush);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	fnum = SVAL(req->in.vwv,  VWV(0));
+	if (fnum == 0xFFFF) {
+		io->flush_all.level	= RAW_FLUSH_ALL;
+	} else {
+		io->flush.level		= RAW_FLUSH_FLUSH;
+		io->flush.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv,  VWV(0));
+		SMBSRV_CHECK_FILE_HANDLE(io->flush.in.file.ntvfs);
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_flush(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a close 
+
+ Note that this has to deal with closing a directory opened by NT SMB's.
+****************************************************************************/
+void smbsrv_reply_close(struct smbsrv_request *req)
+{
+	union smb_close *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_close);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->close.level = RAW_CLOSE_CLOSE;
+	io->close.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv,  VWV(0));
+	io->close.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
+
+	SMBSRV_CHECK_FILE_HANDLE(io->close.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_close(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a writeclose (async reply)
+****************************************************************************/
+static void reply_writeclose_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_write *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), io->write.out.nwritten);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a writeclose (Core+ protocol).
+****************************************************************************/
+void smbsrv_reply_writeclose(struct smbsrv_request *req)
+{
+	union smb_write *io;
+
+	/* this one is pretty weird - the wct can be 6 or 12 */
+	if (req->in.wct != 12) {
+		SMBSRV_CHECK_WCT(req, 6);
+	}
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_write);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_writeclose_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->writeclose.level		= RAW_WRITE_WRITECLOSE;
+	io->writeclose.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->writeclose.in.count		= SVAL(req->in.vwv, VWV(1));
+	io->writeclose.in.offset	= IVAL(req->in.vwv, VWV(2));
+	io->writeclose.in.mtime		= srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(4));
+	io->writeclose.in.data		= req->in.data + 1;
+
+	/* make sure they gave us the data they promised */
+	if (req_data_oob(&req->in.bufinfo, io->writeclose.in.data, io->writeclose.in.count)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->writeclose.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a lock.
+****************************************************************************/
+void smbsrv_reply_lock(struct smbsrv_request *req)
+{
+	union smb_lock *lck;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	lck->lock.level		= RAW_LOCK_LOCK;
+	lck->lock.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	lck->lock.in.count	= IVAL(req->in.vwv, VWV(1));
+	lck->lock.in.offset	= IVAL(req->in.vwv, VWV(3));
+
+	SMBSRV_CHECK_FILE_HANDLE(lck->lock.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
+}
+
+
+/****************************************************************************
+ Reply to a unlock.
+****************************************************************************/
+void smbsrv_reply_unlock(struct smbsrv_request *req)
+{
+	union smb_lock *lck;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 5);
+	SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	lck->unlock.level		= RAW_LOCK_UNLOCK;
+	lck->unlock.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	lck->unlock.in.count 		= IVAL(req->in.vwv, VWV(1));
+	lck->unlock.in.offset		= IVAL(req->in.vwv, VWV(3));
+
+	SMBSRV_CHECK_FILE_HANDLE(lck->unlock.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
+}
+
+
+/****************************************************************************
+ Reply to a tdis.
+****************************************************************************/
+void smbsrv_reply_tdis(struct smbsrv_request *req)
+{
+	struct smbsrv_handle *h, *nh;
+
+	SMBSRV_CHECK_WCT(req, 0);
+
+	/*
+	 * TODO: cancel all pending requests on this tcon
+	 */
+
+	/*
+	 * close all handles on this tcon
+	 */
+	for (h=req->tcon->handles.list; h; h=nh) {
+		nh = h->next;
+		talloc_free(h);
+	}
+
+	/* finally destroy the tcon */
+	talloc_free(req->tcon);
+	req->tcon = NULL;
+
+	smbsrv_setup_reply(req, 0, 0);
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a echo. This is one of the few calls that is handled directly (the
+ backends don't see it at all)
+****************************************************************************/
+void smbsrv_reply_echo(struct smbsrv_request *req)
+{
+	uint16_t count;
+	int i;
+
+	SMBSRV_CHECK_WCT(req, 1);
+
+	count = SVAL(req->in.vwv, VWV(0));
+
+	smbsrv_setup_reply(req, 1, req->in.data_size);
+
+	memcpy(req->out.data, req->in.data, req->in.data_size);
+
+	for (i=1; i <= count;i++) {
+		struct smbsrv_request *this_req;
+		
+		if (i != count) {
+			this_req = smbsrv_setup_secondary_request(req);
+		} else {
+			this_req = req;
+		}
+
+		SSVAL(this_req->out.vwv, VWV(0), i);
+		smbsrv_send_reply(this_req);
+	}
+}
+
+
+
+/****************************************************************************
+ Reply to a printopen (async reply)
+****************************************************************************/
+static void reply_printopen_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *oi;
+
+	SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	smbsrv_push_fnum(req->out.vwv, VWV(0), oi->openold.out.file.ntvfs);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a printopen.
+****************************************************************************/
+void smbsrv_reply_printopen(struct smbsrv_request *req)
+{
+	union smb_open *oi;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 2);
+	SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_printopen_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	oi->splopen.level = RAW_OPEN_SPLOPEN;
+	oi->splopen.in.setup_length = SVAL(req->in.vwv, VWV(0));
+	oi->splopen.in.mode         = SVAL(req->in.vwv, VWV(1));
+
+	req_pull_ascii4(&req->in.bufinfo, &oi->splopen.in.ident, req->in.data, STR_TERMINATE);
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
+}
+
+/****************************************************************************
+ Reply to a printclose.
+****************************************************************************/
+void smbsrv_reply_printclose(struct smbsrv_request *req)
+{
+	union smb_close *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_close);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->splclose.level		= RAW_CLOSE_SPLCLOSE;
+	io->splclose.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv,  VWV(0));
+
+	SMBSRV_CHECK_FILE_HANDLE(io->splclose.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_close(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a printqueue.
+****************************************************************************/
+static void reply_printqueue_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_lpq *lpq;
+	int i, maxcount;
+	const unsigned int el_size = 28;
+
+	SMBSRV_CHECK_ASYNC_STATUS(lpq,union smb_lpq);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 2, 0);
+
+	/* truncate the returned list to fit in the negotiated buffer size */
+	maxcount = (req_max_data(req) - 3) / el_size;
+	if (maxcount < lpq->retq.out.count) {
+		lpq->retq.out.count = maxcount;
+	}
+
+	/* setup enough space in the reply */
+	req_grow_data(req, 3 + el_size*lpq->retq.out.count);
+	
+	/* and fill it in */
+	SSVAL(req->out.vwv, VWV(0), lpq->retq.out.count);
+	SSVAL(req->out.vwv, VWV(1), lpq->retq.out.restart_idx);
+
+	SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
+	SSVAL(req->out.data, 1, el_size*lpq->retq.out.count);
+
+	req->out.ptr = req->out.data + 3;
+
+	for (i=0;i<lpq->retq.out.count;i++) {
+		srv_push_dos_date2(req->smb_conn, req->out.ptr, 0 , lpq->retq.out.queue[i].time);
+		SCVAL(req->out.ptr,  4, lpq->retq.out.queue[i].status);
+		SSVAL(req->out.ptr,  5, lpq->retq.out.queue[i].job);
+		SIVAL(req->out.ptr,  7, lpq->retq.out.queue[i].size);
+		SCVAL(req->out.ptr, 11, 0); /* reserved */
+		req_push_str(req, req->out.ptr+12, lpq->retq.out.queue[i].user, 16, STR_ASCII);
+		req->out.ptr += el_size;
+	}
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a printqueue.
+****************************************************************************/
+void smbsrv_reply_printqueue(struct smbsrv_request *req)
+{
+	union smb_lpq *lpq;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 2);
+	SMBSRV_TALLOC_IO_PTR(lpq, union smb_lpq);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_printqueue_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	lpq->retq.level = RAW_LPQ_RETQ;
+	lpq->retq.in.maxcount = SVAL(req->in.vwv,  VWV(0));
+	lpq->retq.in.startidx = SVAL(req->in.vwv,  VWV(1));
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lpq(req->ntvfs, lpq));
+}
+
+
+/****************************************************************************
+ Reply to a printwrite.
+****************************************************************************/
+void smbsrv_reply_printwrite(struct smbsrv_request *req)
+{
+	union smb_write *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_write);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	if (req->in.data_size < 3) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	io->splwrite.level		= RAW_WRITE_SPLWRITE;
+	io->splwrite.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+	io->splwrite.in.count		= SVAL(req->in.data, 1);
+	io->splwrite.in.data		= req->in.data + 3;
+
+	/* make sure they gave us the data they promised */
+	if (req_data_oob(&req->in.bufinfo, io->splwrite.in.data, io->splwrite.in.count)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(io->splwrite.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a mkdir.
+****************************************************************************/
+void smbsrv_reply_mkdir(struct smbsrv_request *req)
+{
+	union smb_mkdir *io;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 0);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_mkdir);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->generic.level = RAW_MKDIR_MKDIR;
+	req_pull_ascii4(&req->in.bufinfo, &io->mkdir.in.path, req->in.data, STR_TERMINATE);
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_mkdir(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a rmdir.
+****************************************************************************/
+void smbsrv_reply_rmdir(struct smbsrv_request *req)
+{
+	struct smb_rmdir *io;
+ 
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 0);
+	SMBSRV_TALLOC_IO_PTR(io, struct smb_rmdir);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	req_pull_ascii4(&req->in.bufinfo, &io->in.path, req->in.data, STR_TERMINATE);
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rmdir(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to a mv.
+****************************************************************************/
+void smbsrv_reply_mv(struct smbsrv_request *req)
+{
+	union smb_rename *io;
+	uint8_t *p;
+ 
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_rename);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->generic.level = RAW_RENAME_RENAME;
+	io->rename.in.attrib = SVAL(req->in.vwv, VWV(0));
+
+	p = req->in.data;
+	p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern1, p, STR_TERMINATE);
+	p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern2, p, STR_TERMINATE);
+
+	if (!io->rename.in.pattern1 || !io->rename.in.pattern2) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rename(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to an NT rename.
+****************************************************************************/
+void smbsrv_reply_ntrename(struct smbsrv_request *req)
+{
+	union smb_rename *io;
+	uint8_t *p;
+ 
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 4);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_rename);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->generic.level = RAW_RENAME_NTRENAME;
+	io->ntrename.in.attrib  = SVAL(req->in.vwv, VWV(0));
+	io->ntrename.in.flags   = SVAL(req->in.vwv, VWV(1));
+	io->ntrename.in.cluster_size = IVAL(req->in.vwv, VWV(2));
+
+	p = req->in.data;
+	p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.old_name, p, STR_TERMINATE);
+	p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.new_name, p, STR_TERMINATE);
+
+	if (!io->ntrename.in.old_name || !io->ntrename.in.new_name) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rename(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to a file copy (async reply)
+****************************************************************************/
+static void reply_copy_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	struct smb_copy *cp;
+
+	SMBSRV_CHECK_ASYNC_STATUS(cp, struct smb_copy);
+
+	/* build the reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), cp->out.count);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a file copy.
+****************************************************************************/
+void smbsrv_reply_copy(struct smbsrv_request *req)
+{
+	struct smb_copy *cp;
+	uint8_t *p;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 3);
+	SMBSRV_TALLOC_IO_PTR(cp, struct smb_copy);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_copy_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	cp->in.tid2  = SVAL(req->in.vwv, VWV(0));
+	cp->in.ofun  = SVAL(req->in.vwv, VWV(1));
+	cp->in.flags = SVAL(req->in.vwv, VWV(2));
+
+	p = req->in.data;
+	p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path1, p, STR_TERMINATE);
+	p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path2, p, STR_TERMINATE);
+
+	if (!cp->in.path1 || !cp->in.path2) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_copy(req->ntvfs, cp));
+}
+
+/****************************************************************************
+ Reply to a lockingX request (async send)
+****************************************************************************/
+static void reply_lockingX_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_lock *lck;
+
+	SMBSRV_CHECK_ASYNC_STATUS(lck, union smb_lock);
+
+	/* if it was an oplock break ack then we only send a reply if
+	   there was an error */
+	if (lck->lockx.in.ulock_cnt + lck->lockx.in.lock_cnt == 0) {
+		talloc_free(req);
+		return;
+	}
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 2, 0);
+	
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);
+
+	smbsrv_chain_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to a lockingX request.
+****************************************************************************/
+void smbsrv_reply_lockingX(struct smbsrv_request *req)
+{
+	union smb_lock *lck;
+	unsigned int total_locks, i;
+	unsigned int lck_size;
+	uint8_t *p;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 8);
+	SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_lockingX_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	lck->lockx.level = RAW_LOCK_LOCKX;
+	lck->lockx.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
+	lck->lockx.in.mode      = SVAL(req->in.vwv, VWV(3));
+	lck->lockx.in.timeout   = IVAL(req->in.vwv, VWV(4));
+	lck->lockx.in.ulock_cnt = SVAL(req->in.vwv, VWV(6));
+	lck->lockx.in.lock_cnt  = SVAL(req->in.vwv, VWV(7));
+
+	total_locks = lck->lockx.in.ulock_cnt + lck->lockx.in.lock_cnt;
+
+	/* there are two variants, one with 64 bit offsets and counts */
+	if (lck->lockx.in.mode & LOCKING_ANDX_LARGE_FILES) {
+		lck_size = 20;
+	} else {
+		lck_size = 10;		
+	}
+
+	/* make sure we got the promised data */
+	if (req_data_oob(&req->in.bufinfo, req->in.data, total_locks * lck_size)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	/* allocate the locks array */
+	if (total_locks) {
+		lck->lockx.in.locks = talloc_array(req, struct smb_lock_entry, 
+						   total_locks);
+		if (lck->lockx.in.locks == NULL) {
+			smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+	}
+
+	p = req->in.data;
+
+	/* construct the locks array */
+	for (i=0;i<total_locks;i++) {
+		uint32_t ofs_high=0, count_high=0;
+
+		lck->lockx.in.locks[i].pid = SVAL(p, 0);
+
+		if (lck->lockx.in.mode & LOCKING_ANDX_LARGE_FILES) {
+			ofs_high   = IVAL(p, 4);
+			lck->lockx.in.locks[i].offset = IVAL(p, 8);
+			count_high = IVAL(p, 12);
+			lck->lockx.in.locks[i].count  = IVAL(p, 16);
+		} else {
+			lck->lockx.in.locks[i].offset = IVAL(p, 2);
+			lck->lockx.in.locks[i].count  = IVAL(p, 6);
+		}
+		if (ofs_high != 0 || count_high != 0) {
+			lck->lockx.in.locks[i].count  |= ((uint64_t)count_high) << 32;
+			lck->lockx.in.locks[i].offset |= ((uint64_t)ofs_high) << 32;
+		}
+		p += lck_size;
+	}
+
+	SMBSRV_CHECK_FILE_HANDLE(lck->lockx.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
+}
+
+/****************************************************************************
+ Reply to a SMBreadbmpx (read block multiplex) request.
+****************************************************************************/
+void smbsrv_reply_readbmpx(struct smbsrv_request *req)
+{
+	/* tell the client to not use a multiplexed read - its too broken to use */
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
+}
+
+
+/****************************************************************************
+ Reply to a SMBsetattrE.
+****************************************************************************/
+void smbsrv_reply_setattrE(struct smbsrv_request *req)
+{
+	union smb_setfileinfo *info;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 7);
+	SMBSRV_TALLOC_IO_PTR(info, union smb_setfileinfo);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	info->setattre.level = RAW_SFILEINFO_SETATTRE;
+	info->setattre.in.file.ntvfs  = smbsrv_pull_fnum(req, req->in.vwv,    VWV(0));
+	info->setattre.in.create_time = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(1));
+	info->setattre.in.access_time = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(3));
+	info->setattre.in.write_time  = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(5));
+
+	SMBSRV_CHECK_FILE_HANDLE(info->setattre.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_setfileinfo(req->ntvfs, info));
+}
+
+
+/****************************************************************************
+ Reply to a SMBwritebmpx (write block multiplex primary) request.
+****************************************************************************/
+void smbsrv_reply_writebmpx(struct smbsrv_request *req)
+{
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
+}
+
+
+/****************************************************************************
+ Reply to a SMBwritebs (write block multiplex secondary) request.
+****************************************************************************/
+void smbsrv_reply_writebs(struct smbsrv_request *req)
+{
+	smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
+}
+
+
+
+/****************************************************************************
+ Reply to a SMBgetattrE (async reply)
+****************************************************************************/
+static void reply_getattrE_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_fileinfo *info;
+
+	SMBSRV_CHECK_ASYNC_STATUS(info, union smb_fileinfo);
+
+	/* setup reply */
+	smbsrv_setup_reply(req, 11, 0);
+
+	srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(0), info->getattre.out.create_time);
+	srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(2), info->getattre.out.access_time);
+	srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(4), info->getattre.out.write_time);
+	SIVAL(req->out.vwv,         VWV(6), info->getattre.out.size);
+	SIVAL(req->out.vwv,         VWV(8), info->getattre.out.alloc_size);
+	SSVAL(req->out.vwv,        VWV(10), info->getattre.out.attrib);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a SMBgetattrE.
+****************************************************************************/
+void smbsrv_reply_getattrE(struct smbsrv_request *req)
+{
+	union smb_fileinfo *info;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(info, union smb_fileinfo);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_getattrE_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	info->getattr.level		= RAW_FILEINFO_GETATTRE;
+	info->getattr.in.file.ntvfs	= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
+
+	SMBSRV_CHECK_FILE_HANDLE(info->getattr.in.file.ntvfs);
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qfileinfo(req->ntvfs, info));
+}
+
+void smbsrv_reply_sesssetup_send(struct smbsrv_request *req,
+				 union smb_sesssetup *io,
+				 NTSTATUS status)
+{
+	switch (io->old.level) {
+	case RAW_SESSSETUP_OLD:
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_send_error(req, status);
+			return;
+		}
+
+		/* construct reply */
+		smbsrv_setup_reply(req, 3, 0);
+
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), io->old.out.action);
+
+		SSVAL(req->out.hdr, HDR_UID, io->old.out.vuid);
+
+		smbsrv_chain_reply(req);
+		return;
+
+	case RAW_SESSSETUP_NT1:
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_send_error(req, status);
+			return;
+		}
+
+		/* construct reply */
+		smbsrv_setup_reply(req, 3, 0);
+
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), io->nt1.out.action);
+
+		SSVAL(req->out.hdr, HDR_UID, io->nt1.out.vuid);
+
+		req_push_str(req, NULL, io->nt1.out.os, -1, STR_TERMINATE);
+		req_push_str(req, NULL, io->nt1.out.lanman, -1, STR_TERMINATE);
+		req_push_str(req, NULL, io->nt1.out.domain, -1, STR_TERMINATE);
+
+		smbsrv_chain_reply(req);
+		return;
+
+	case RAW_SESSSETUP_SPNEGO:
+		if (!NT_STATUS_IS_OK(status) && 
+		    !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+			smbsrv_send_error(req, status);
+			return;
+		}
+
+		/* construct reply */
+		smbsrv_setup_reply(req, 4, io->spnego.out.secblob.length);
+
+		if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+			smbsrv_setup_error(req, status);
+		}
+
+		SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), io->spnego.out.action);
+		SSVAL(req->out.vwv, VWV(3), io->spnego.out.secblob.length);
+
+		SSVAL(req->out.hdr, HDR_UID, io->spnego.out.vuid);
+
+		memcpy(req->out.data, io->spnego.out.secblob.data, io->spnego.out.secblob.length);
+		req_push_str(req, NULL, io->spnego.out.os,        -1, STR_TERMINATE);
+		req_push_str(req, NULL, io->spnego.out.lanman,    -1, STR_TERMINATE);
+		req_push_str(req, NULL, io->spnego.out.workgroup, -1, STR_TERMINATE);
+
+		smbsrv_chain_reply(req);
+		return;
+
+	case RAW_SESSSETUP_SMB2:
+		break;
+	}
+
+	smbsrv_send_error(req, NT_STATUS_INTERNAL_ERROR);
+}
+
+/****************************************************************************
+reply to an old style session setup command
+****************************************************************************/
+static void reply_sesssetup_old(struct smbsrv_request *req)
+{
+	uint8_t *p;
+	uint16_t passlen;
+	union smb_sesssetup *io;
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
+
+	io->old.level = RAW_SESSSETUP_OLD;
+
+	/* parse request */
+	io->old.in.bufsize = SVAL(req->in.vwv, VWV(2));
+	io->old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
+	io->old.in.vc_num  = SVAL(req->in.vwv, VWV(4));
+	io->old.in.sesskey = IVAL(req->in.vwv, VWV(5));
+	passlen            = SVAL(req->in.vwv, VWV(7));
+
+	/* check the request isn't malformed */
+	if (req_data_oob(&req->in.bufinfo, req->in.data, passlen)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	
+	p = req->in.data;
+	if (!req_pull_blob(&req->in.bufinfo, p, passlen, &io->old.in.password)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	p += passlen;
+	
+	p += req_pull_string(&req->in.bufinfo, &io->old.in.user,   p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->old.in.domain, p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->old.in.os,     p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->old.in.lanman, p, -1, STR_TERMINATE);
+
+	/* call the generic handler */
+	smbsrv_sesssetup_backend(req, io);
+}
+
+/****************************************************************************
+reply to an NT1 style session setup command
+****************************************************************************/
+static void reply_sesssetup_nt1(struct smbsrv_request *req)
+{
+	uint8_t *p;
+	uint16_t passlen1, passlen2;
+	union smb_sesssetup *io;
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
+
+	io->nt1.level = RAW_SESSSETUP_NT1;
+
+	/* parse request */
+	io->nt1.in.bufsize      = SVAL(req->in.vwv, VWV(2));
+	io->nt1.in.mpx_max      = SVAL(req->in.vwv, VWV(3));
+	io->nt1.in.vc_num       = SVAL(req->in.vwv, VWV(4));
+	io->nt1.in.sesskey      = IVAL(req->in.vwv, VWV(5));
+	passlen1                = SVAL(req->in.vwv, VWV(7));
+	passlen2                = SVAL(req->in.vwv, VWV(8));
+	io->nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
+
+	/* check the request isn't malformed */
+	if (req_data_oob(&req->in.bufinfo, req->in.data, passlen1) ||
+	    req_data_oob(&req->in.bufinfo, req->in.data + passlen1, passlen2)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	
+	p = req->in.data;
+	if (!req_pull_blob(&req->in.bufinfo, p, passlen1, &io->nt1.in.password1)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	p += passlen1;
+	if (!req_pull_blob(&req->in.bufinfo, p, passlen2, &io->nt1.in.password2)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	p += passlen2;
+	
+	p += req_pull_string(&req->in.bufinfo, &io->nt1.in.user,   p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->nt1.in.domain, p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->nt1.in.os,     p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->nt1.in.lanman, p, -1, STR_TERMINATE);
+
+	/* call the generic handler */
+	smbsrv_sesssetup_backend(req, io);
+}
+
+
+/****************************************************************************
+reply to an SPNEGO style session setup command
+****************************************************************************/
+static void reply_sesssetup_spnego(struct smbsrv_request *req)
+{
+	uint8_t *p;
+	uint16_t blob_len;
+	union smb_sesssetup *io;
+
+	SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
+
+	io->spnego.level = RAW_SESSSETUP_SPNEGO;
+
+	/* parse request */
+	io->spnego.in.bufsize      = SVAL(req->in.vwv, VWV(2));
+	io->spnego.in.mpx_max      = SVAL(req->in.vwv, VWV(3));
+	io->spnego.in.vc_num       = SVAL(req->in.vwv, VWV(4));
+	io->spnego.in.sesskey      = IVAL(req->in.vwv, VWV(5));
+	blob_len                   = SVAL(req->in.vwv, VWV(7));
+	io->spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
+
+	p = req->in.data;
+	if (!req_pull_blob(&req->in.bufinfo, p, blob_len, &io->spnego.in.secblob)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+	p += blob_len;
+	
+	p += req_pull_string(&req->in.bufinfo, &io->spnego.in.os,        p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->spnego.in.lanman,    p, -1, STR_TERMINATE);
+	p += req_pull_string(&req->in.bufinfo, &io->spnego.in.workgroup, p, -1, STR_TERMINATE);
+
+	/* call the generic handler */
+	smbsrv_sesssetup_backend(req, io);
+}
+
+
+/****************************************************************************
+reply to a session setup command
+****************************************************************************/
+void smbsrv_reply_sesssetup(struct smbsrv_request *req)
+{
+	switch (req->in.wct) {
+	case 10:
+		/* a pre-NT1 call */
+		reply_sesssetup_old(req);
+		return;
+	case 13:
+		/* a NT1 call */
+		reply_sesssetup_nt1(req);
+		return;
+	case 12:
+		/* a SPNEGO call */
+		reply_sesssetup_spnego(req);
+		return;
+	}
+
+	/* unsupported variant */
+	smbsrv_send_error(req, NT_STATUS_FOOBAR);
+}
+
+/****************************************************************************
+ Reply to a exit. This closes all files open by a smbpid
+****************************************************************************/
+void smbsrv_reply_exit(struct smbsrv_request *req)
+{
+	struct smbsrv_handle_session_item *i, *ni;
+	struct smbsrv_handle *h;
+	struct smbsrv_tcon *tcon;
+	uint16_t smbpid;
+
+	SMBSRV_CHECK_WCT(req, 0);
+
+	smbpid = SVAL(req->in.hdr,HDR_PID);
+
+	/* first destroy all handles, which have the same PID as the request */
+	for (i=req->session->handles; i; i=ni) {
+		ni = i->next;
+		h = i->handle;
+		if (h->smbpid != smbpid) continue;
+
+		talloc_free(h);
+	}
+
+	/*
+	 * then let the ntvfs backends proxy the call if they want to,
+	 * but we didn't check the return value of the backends,
+	 * as for the SMB client the call succeed
+	 */
+	for (tcon=req->smb_conn->smb_tcons.list;tcon;tcon=tcon->next) {
+		req->tcon = tcon;
+		SMBSRV_SETUP_NTVFS_REQUEST(NULL,0);
+		ntvfs_exit(req->ntvfs);
+		talloc_free(req->ntvfs);
+		req->ntvfs = NULL;
+		req->tcon = NULL;
+	}
+
+	smbsrv_setup_reply(req, 0, 0);
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a SMBulogoffX.
+****************************************************************************/
+void smbsrv_reply_ulogoffX(struct smbsrv_request *req)
+{
+	struct smbsrv_handle_session_item *i, *ni;
+	struct smbsrv_handle *h;
+	struct smbsrv_tcon *tcon;
+
+	SMBSRV_CHECK_WCT(req, 2);
+
+	/*
+	 * TODO: cancel all pending requests
+	 */
+	
+
+	/* destroy all handles */
+	for (i=req->session->handles; i; i=ni) {
+		ni = i->next;
+		h = i->handle;
+		talloc_free(h);
+	}
+
+	/*
+	 * then let the ntvfs backends proxy the call if they want to,
+	 * but we didn't check the return value of the backends,
+	 * as for the SMB client the call succeed
+	 */
+	for (tcon=req->smb_conn->smb_tcons.list;tcon;tcon=tcon->next) {
+		req->tcon = tcon;
+		SMBSRV_SETUP_NTVFS_REQUEST(NULL,0);
+		ntvfs_logoff(req->ntvfs);
+		talloc_free(req->ntvfs);
+		req->ntvfs = NULL;
+		req->tcon = NULL;
+	}
+
+	talloc_free(req->session);
+	req->session = NULL; /* it is now invalid, don't use on 
+				any chained packets */
+
+	smbsrv_setup_reply(req, 2, 0);
+
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);	
+
+	smbsrv_chain_reply(req);
+}
+
+/****************************************************************************
+ Reply to an SMBfindclose request
+****************************************************************************/
+void smbsrv_reply_findclose(struct smbsrv_request *req)
+{
+	union smb_search_close *io;
+
+	/* parse request */
+	SMBSRV_CHECK_WCT(req, 1);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_search_close);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->findclose.level	= RAW_FINDCLOSE_FINDCLOSE;
+	io->findclose.in.handle	= SVAL(req->in.vwv, VWV(0));
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_search_close(req->ntvfs, io));
+}
+
+/****************************************************************************
+ Reply to an SMBfindnclose request
+****************************************************************************/
+void smbsrv_reply_findnclose(struct smbsrv_request *req)
+{
+	smbsrv_send_error(req, NT_STATUS_FOOBAR);
+}
+
+
+/****************************************************************************
+ Reply to an SMBntcreateX request (async send)
+****************************************************************************/
+static void reply_ntcreate_and_X_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_open *io;
+
+	SMBSRV_CHECK_ASYNC_STATUS(io, union smb_open);
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 34, 0);
+
+	SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+	SSVAL(req->out.vwv, VWV(1), 0);	
+	SCVAL(req->out.vwv, VWV(2), io->ntcreatex.out.oplock_level);
+
+	/* the rest of the parameters are not aligned! */
+	smbsrv_push_fnum(req->out.vwv, 5, io->ntcreatex.out.file.ntvfs);
+	SIVAL(req->out.vwv,        7, io->ntcreatex.out.create_action);
+	push_nttime(req->out.vwv, 11, io->ntcreatex.out.create_time);
+	push_nttime(req->out.vwv, 19, io->ntcreatex.out.access_time);
+	push_nttime(req->out.vwv, 27, io->ntcreatex.out.write_time);
+	push_nttime(req->out.vwv, 35, io->ntcreatex.out.change_time);
+	SIVAL(req->out.vwv,       43, io->ntcreatex.out.attrib);
+	SBVAL(req->out.vwv,       47, io->ntcreatex.out.alloc_size);
+	SBVAL(req->out.vwv,       55, io->ntcreatex.out.size);
+	SSVAL(req->out.vwv,       63, io->ntcreatex.out.file_type);
+	SSVAL(req->out.vwv,       65, io->ntcreatex.out.ipc_state);
+	SCVAL(req->out.vwv,       67, io->ntcreatex.out.is_directory);
+
+	req->chained_fnum = SVAL(req->out.vwv, 5);
+
+	smbsrv_chain_reply(req);
+}
+
+/****************************************************************************
+ Reply to an SMBntcreateX request
+****************************************************************************/
+void smbsrv_reply_ntcreate_and_X(struct smbsrv_request *req)
+{
+	union smb_open *io;
+	uint16_t fname_len;
+
+	/* parse the request */
+	SMBSRV_CHECK_WCT(req, 24);
+	SMBSRV_TALLOC_IO_PTR(io, union smb_open);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_ntcreate_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->ntcreatex.level = RAW_OPEN_NTCREATEX;
+
+	/* notice that the word parameters are not word aligned, so we don't use VWV() */
+	fname_len =                         SVAL(req->in.vwv, 5);
+	io->ntcreatex.in.flags =            IVAL(req->in.vwv, 7);
+	io->ntcreatex.in.root_fid.ntvfs =   smbsrv_pull_fnum(req, req->in.vwv, 11);
+	io->ntcreatex.in.access_mask =      IVAL(req->in.vwv, 15);
+	io->ntcreatex.in.alloc_size =       BVAL(req->in.vwv, 19);
+	io->ntcreatex.in.file_attr =        IVAL(req->in.vwv, 27);
+	io->ntcreatex.in.share_access =     IVAL(req->in.vwv, 31);
+	io->ntcreatex.in.open_disposition = IVAL(req->in.vwv, 35);
+	io->ntcreatex.in.create_options =   IVAL(req->in.vwv, 39);
+	io->ntcreatex.in.impersonation =    IVAL(req->in.vwv, 43);
+	io->ntcreatex.in.security_flags =   CVAL(req->in.vwv, 47);
+	io->ntcreatex.in.ea_list          = NULL;
+	io->ntcreatex.in.sec_desc         = NULL;
+	io->ntcreatex.in.query_maximal_access = false;
+	io->ntcreatex.in.query_on_disk_id = false;
+	io->ntcreatex.in.private_flags    = 0;
+
+	/* we need a neater way to handle this alignment */
+	if ((req->flags2 & FLAGS2_UNICODE_STRINGS) && 
+	    ucs2_align(req->in.buffer, req->in.data, STR_TERMINATE|STR_UNICODE)) {
+		fname_len++;
+	}
+
+	req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname, req->in.data, fname_len, STR_TERMINATE);
+	if (!io->ntcreatex.in.fname) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io));
+}
+
+
+/****************************************************************************
+ Reply to an SMBntcancel request
+****************************************************************************/
+void smbsrv_reply_ntcancel(struct smbsrv_request *req)
+{
+	struct smbsrv_request *r;
+	uint16_t tid = SVAL(req->in.hdr,HDR_TID);
+	uint16_t uid = SVAL(req->in.hdr,HDR_UID);
+	uint16_t mid = SVAL(req->in.hdr,HDR_MID);
+	uint16_t pid = SVAL(req->in.hdr,HDR_PID);
+
+	for (r = req->smb_conn->requests; r; r = r->next) {
+		if (tid != SVAL(r->in.hdr,HDR_TID)) continue;
+		if (uid != SVAL(r->in.hdr,HDR_UID)) continue;
+		if (mid != SVAL(r->in.hdr,HDR_MID)) continue;
+		if (pid != SVAL(r->in.hdr,HDR_PID)) continue;
+
+		SMBSRV_CHECK(ntvfs_cancel(r->ntvfs));
+
+		/* NOTE: this request does not generate a reply */
+		talloc_free(req);
+		return;
+	}
+
+	/* TODO: workout the correct error code,
+	 *       until we know how the smb signing works
+	 *       for ntcancel replies, don't send an error
+	 */
+	/*smbsrv_send_error(req, NT_STATUS_FOOBAR);*/
+	talloc_free(req);
+}
+
+/*
+  parse the called/calling names from session request
+*/
+static NTSTATUS parse_session_request(struct smbsrv_request *req)
+{
+	DATA_BLOB blob;
+	NTSTATUS status;
+	
+	blob.data = req->in.buffer + 4;
+	blob.length = ascii_len_n((const char *)blob.data, req->in.size - PTR_DIFF(blob.data, req->in.buffer));
+	if (blob.length == 0) return NT_STATUS_BAD_NETWORK_NAME;
+
+	req->smb_conn->negotiate.called_name  = talloc(req->smb_conn, struct nbt_name);
+	req->smb_conn->negotiate.calling_name = talloc(req->smb_conn, struct nbt_name);
+	if (req->smb_conn->negotiate.called_name == NULL ||
+	    req->smb_conn->negotiate.calling_name == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = nbt_name_from_blob(req->smb_conn, &blob,
+				    req->smb_conn->negotiate.called_name);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	blob.data += blob.length;
+	blob.length = ascii_len_n((const char *)blob.data, req->in.size - PTR_DIFF(blob.data, req->in.buffer));
+	if (blob.length == 0) return NT_STATUS_BAD_NETWORK_NAME;
+
+	status = nbt_name_from_blob(req->smb_conn, &blob,
+				    req->smb_conn->negotiate.calling_name);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	req->smb_conn->negotiate.done_nbt_session = true;
+
+	return NT_STATUS_OK;
+}	
+
+
+
+/****************************************************************************
+ Reply to a special message - a SMB packet with non zero NBT message type
+****************************************************************************/
+void smbsrv_reply_special(struct smbsrv_request *req)
+{
+	uint8_t msg_type;
+	uint8_t *buf = talloc_zero_array(req, uint8_t, 4);
+
+	msg_type = CVAL(req->in.buffer,0);
+
+	SIVAL(buf, 0, 0);
+	
+	switch (msg_type) {
+	case NBSSrequest: /* session request */
+		if (req->smb_conn->negotiate.done_nbt_session) {
+			DEBUG(0,("Warning: ignoring secondary session request\n"));
+			return;
+		}
+		
+		SCVAL(buf,0,0x82);
+		SCVAL(buf,3,0);
+
+		/* we don't check the status - samba always accepts session
+		   requests for any name */
+		parse_session_request(req);
+
+		req->out.buffer = buf;
+		req->out.size = 4;
+		smbsrv_send_reply_nosign(req);
+		return;
+		
+	case 0x89: /* session keepalive request 
+		      (some old clients produce this?) */
+		SCVAL(buf, 0, NBSSkeepalive);
+		SCVAL(buf, 3, 0);
+		req->out.buffer = buf;
+		req->out.size = 4;
+		smbsrv_send_reply_nosign(req);
+		return;
+		
+	case NBSSkeepalive:
+		/* session keepalive - swallow it */
+		talloc_free(req);
+		return;
+	}
+
+	DEBUG(0,("Unexpected NBT session packet (%d)\n", msg_type));
+	talloc_free(req);
+}
diff --git a/source4/smb_server/smb/request.c b/source4/smb_server/smb/request.c
new file mode 100644
index 0000000..0f3171f
--- /dev/null
+++ b/source4/smb_server/smb/request.c
@@ -0,0 +1,779 @@
+/* 
+   Unix SMB/CIFS implementation.
+   
+   Copyright (C) Andrew Tridgell              2003
+   
+   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/>.
+*/
+
+/*
+  this file implements functions for manipulating the 'struct smbsrv_request' structure in smbd
+*/
+
+#include "includes.h"
+#include "smb_server/smb_server.h"
+#include "samba/service_stream.h"
+#include "lib/stream/packet.h"
+#include "ntvfs/ntvfs.h"
+
+
+/* we over allocate the data buffer to prevent too many realloc calls */
+#define REQ_OVER_ALLOCATION 0
+
+/* setup the bufinfo used for strings and range checking */
+void smbsrv_setup_bufinfo(struct smbsrv_request *req)
+{
+	req->in.bufinfo.mem_ctx    = req;
+	req->in.bufinfo.flags      = 0;
+	if (req->flags2 & FLAGS2_UNICODE_STRINGS) {
+		req->in.bufinfo.flags |= BUFINFO_FLAG_UNICODE;
+	}
+	req->in.bufinfo.align_base = req->in.buffer;
+	req->in.bufinfo.data       = req->in.data;
+	req->in.bufinfo.data_size  = req->in.data_size;
+}
+
+
+static int smbsrv_request_destructor(struct smbsrv_request *req)
+{
+	DLIST_REMOVE(req->smb_conn->requests, req);
+	return 0;
+}
+
+/****************************************************************************
+construct a basic request packet, mostly used to construct async packets
+such as change notify and oplock break requests
+****************************************************************************/
+struct smbsrv_request *smbsrv_init_request(struct smbsrv_connection *smb_conn)
+{
+	struct smbsrv_request *req;
+
+	req = talloc_zero(smb_conn, struct smbsrv_request);
+	if (!req) {
+		return NULL;
+	}
+
+	/* setup the request context */
+	req->smb_conn = smb_conn;
+
+	talloc_set_destructor(req, smbsrv_request_destructor);
+
+	return req;
+}
+
+
+/*
+  setup a chained reply in req->out with the given word count and initial data buffer size. 
+*/
+static void req_setup_chain_reply(struct smbsrv_request *req, unsigned int wct, unsigned int buflen)
+{
+	uint32_t chain_base_size = req->out.size;
+
+	/* we need room for the wct value, the words, the buffer length and the buffer */
+	req->out.size += 1 + VWV(wct) + 2 + buflen;
+
+	/* over allocate by a small amount */
+	req->out.allocated = req->out.size + REQ_OVER_ALLOCATION; 
+
+	req->out.buffer = talloc_realloc(req, req->out.buffer, 
+					 uint8_t, req->out.allocated);
+	if (!req->out.buffer) {
+		smbsrv_terminate_connection(req->smb_conn, "allocation failed");
+		return;
+	}
+
+	req->out.hdr = req->out.buffer + NBT_HDR_SIZE;
+	req->out.vwv = req->out.buffer + chain_base_size + 1;
+	req->out.wct = wct;
+	req->out.data = req->out.vwv + VWV(wct) + 2;
+	req->out.data_size = buflen;
+	req->out.ptr = req->out.data;
+
+	SCVAL(req->out.buffer, chain_base_size, wct);
+	SSVAL(req->out.vwv, VWV(wct), buflen);
+}
+
+
+/*
+  setup a reply in req->out with the given word count and initial data buffer size. 
+  the caller will then fill in the command words and data before calling req_send_reply() to 
+  send the reply on its way
+*/
+void smbsrv_setup_reply(struct smbsrv_request *req, unsigned int wct, size_t buflen)
+{
+	uint16_t flags2;
+
+	if (req->chain_count != 0) {
+		req_setup_chain_reply(req, wct, buflen);
+		return;
+	}
+
+	req->out.size = NBT_HDR_SIZE + MIN_SMB_SIZE + VWV(wct) + buflen;
+
+	/* over allocate by a small amount */
+	req->out.allocated = req->out.size + REQ_OVER_ALLOCATION; 
+
+	req->out.buffer = talloc_size(req, req->out.allocated);
+	if (!req->out.buffer) {
+		smbsrv_terminate_connection(req->smb_conn, "allocation failed");
+		return;
+	}
+
+	flags2 = FLAGS2_LONG_PATH_COMPONENTS | 
+		FLAGS2_EXTENDED_ATTRIBUTES | 
+		FLAGS2_IS_LONG_NAME;
+#define _SMB_FLAGS2_ECHOED_FLAGS ( \
+	FLAGS2_UNICODE_STRINGS | \
+	FLAGS2_EXTENDED_SECURITY | \
+	FLAGS2_SMB_SECURITY_SIGNATURES \
+)
+	flags2 |= (req->flags2 & _SMB_FLAGS2_ECHOED_FLAGS);
+	if (req->smb_conn->negotiate.client_caps & CAP_STATUS32) {
+		flags2 |= FLAGS2_32_BIT_ERROR_CODES;
+	}
+
+	req->out.hdr = req->out.buffer + NBT_HDR_SIZE;
+	req->out.vwv = req->out.hdr + HDR_VWV;
+	req->out.wct = wct;
+	req->out.data = req->out.vwv + VWV(wct) + 2;
+	req->out.data_size = buflen;
+	req->out.ptr = req->out.data;
+
+	SIVAL(req->out.hdr, HDR_RCLS, 0);
+
+	SCVAL(req->out.hdr, HDR_WCT, wct);
+	SSVAL(req->out.vwv, VWV(wct), buflen);
+
+	memcpy(req->out.hdr, "\377SMB", 4);
+	SCVAL(req->out.hdr,HDR_FLG, FLAG_REPLY | FLAG_CASELESS_PATHNAMES); 
+	SSVAL(req->out.hdr,HDR_FLG2, flags2);
+	SSVAL(req->out.hdr,HDR_PIDHIGH,0);
+	memset(req->out.hdr + HDR_SS_FIELD, 0, 10);
+
+	if (req->in.hdr) {
+		/* copy the cmd, tid, pid, uid and mid from the request */
+		SCVAL(req->out.hdr,HDR_COM,CVAL(req->in.hdr,HDR_COM));	
+		SSVAL(req->out.hdr,HDR_TID,SVAL(req->in.hdr,HDR_TID));
+		SSVAL(req->out.hdr,HDR_PID,SVAL(req->in.hdr,HDR_PID));
+		SSVAL(req->out.hdr,HDR_UID,SVAL(req->in.hdr,HDR_UID));
+		SSVAL(req->out.hdr,HDR_MID,SVAL(req->in.hdr,HDR_MID));
+	} else {
+		SCVAL(req->out.hdr,HDR_COM,0);
+		SSVAL(req->out.hdr,HDR_TID,0);
+		SSVAL(req->out.hdr,HDR_PID,0);
+		SSVAL(req->out.hdr,HDR_UID,0);
+		SSVAL(req->out.hdr,HDR_MID,0);
+	}
+}
+
+
+/*
+  setup a copy of a request, used when the server needs to send
+  more than one reply for a single request packet
+*/
+struct smbsrv_request *smbsrv_setup_secondary_request(struct smbsrv_request *old_req)
+{
+	struct smbsrv_request *req;
+	ptrdiff_t diff;
+
+	req = talloc_memdup(old_req, old_req, sizeof(struct smbsrv_request));
+	if (req == NULL) {
+		return NULL;
+	}
+
+	req->out.buffer = talloc_memdup(req, req->out.buffer, req->out.allocated);
+	if (req->out.buffer == NULL) {
+		talloc_free(req);
+		return NULL;
+	}
+
+	diff = req->out.buffer - old_req->out.buffer;
+
+	req->out.hdr  += diff;
+	req->out.vwv  += diff;
+	req->out.data += diff;
+	req->out.ptr  += diff;
+
+	return req;
+}
+
+/*
+  work out the maximum data size we will allow for this reply, given
+  the negotiated max_xmit. The basic reply packet must be setup before
+  this call
+
+  note that this is deliberately a signed integer reply
+*/
+int req_max_data(struct smbsrv_request *req)
+{
+	int ret;
+	ret = req->smb_conn->negotiate.max_send;
+	ret -= PTR_DIFF(req->out.data, req->out.hdr);
+	if (ret < 0) ret = 0;
+	return ret;
+}
+
+
+/*
+  grow the allocation of the data buffer portion of a reply
+  packet. Note that as this can reallocate the packet buffer this
+  invalidates any local pointers into the packet.
+
+  To cope with this req->out.ptr is supplied. This will be updated to
+  point at the same offset into the packet as before this call
+*/
+static void req_grow_allocation(struct smbsrv_request *req, unsigned int new_size)
+{
+	int delta;
+	uint8_t *buf2;
+
+	delta = new_size - req->out.data_size;
+	if (delta + req->out.size <= req->out.allocated) {
+		/* it fits in the preallocation */
+		return;
+	}
+
+	/* we need to realloc */
+	req->out.allocated = req->out.size + delta + REQ_OVER_ALLOCATION;
+	buf2 = talloc_realloc(req, req->out.buffer, uint8_t, req->out.allocated);
+	if (buf2 == NULL) {
+		smb_panic("out of memory in req_grow_allocation");
+	}
+
+	if (buf2 == req->out.buffer) {
+		/* the malloc library gave us the same pointer */
+		return;
+	}
+	
+	/* update the pointers into the packet */
+	req->out.data = buf2 + PTR_DIFF(req->out.data, req->out.buffer);
+	req->out.ptr  = buf2 + PTR_DIFF(req->out.ptr,  req->out.buffer);
+	req->out.vwv  = buf2 + PTR_DIFF(req->out.vwv,  req->out.buffer);
+	req->out.hdr  = buf2 + PTR_DIFF(req->out.hdr,  req->out.buffer);
+
+	req->out.buffer = buf2;
+}
+
+
+/*
+  grow the data buffer portion of a reply packet. Note that as this
+  can reallocate the packet buffer this invalidates any local pointers
+  into the packet. 
+
+  To cope with this req->out.ptr is supplied. This will be updated to
+  point at the same offset into the packet as before this call
+*/
+void req_grow_data(struct smbsrv_request *req, size_t new_size)
+{
+	int delta;
+
+	if (!(req->control_flags & SMBSRV_REQ_CONTROL_LARGE) && new_size > req_max_data(req)) {
+		smb_panic("reply buffer too large!");
+	}
+
+	req_grow_allocation(req, new_size);
+
+	delta = new_size - req->out.data_size;
+
+	req->out.size += delta;
+	req->out.data_size += delta;
+
+	/* set the BCC to the new data size */
+	SSVAL(req->out.vwv, VWV(req->out.wct), new_size);
+}
+
+/*
+  send a reply and destroy the request buffer
+
+  note that this only looks at req->out.buffer and req->out.size, allowing manually 
+  constructed packets to be sent
+*/
+void smbsrv_send_reply_nosign(struct smbsrv_request *req)
+{
+	DATA_BLOB blob;
+	NTSTATUS status;
+
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* we are in the process of shutting down this connection */
+		talloc_free(req);
+		return;
+	}
+
+	if (req->out.size > NBT_HDR_SIZE) {
+		_smb_setlen_nbt(req->out.buffer, req->out.size - NBT_HDR_SIZE);
+	}
+
+	blob = data_blob_const(req->out.buffer, req->out.size);
+	status = packet_send(req->smb_conn->packet, blob);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+	}
+	talloc_free(req);
+}
+
+/*
+  possibly sign a message then send a reply and destroy the request buffer
+
+  note that this only looks at req->out.buffer and req->out.size, allowing manually 
+  constructed packets to be sent
+*/
+void smbsrv_send_reply(struct smbsrv_request *req)
+{
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* we are in the process of shutting down this connection */
+		talloc_free(req);
+		return;
+	}
+	smbsrv_sign_packet(req);
+
+	smbsrv_send_reply_nosign(req);
+}
+
+/* 
+   setup the header of a reply to include an NTSTATUS code
+*/
+void smbsrv_setup_error(struct smbsrv_request *req, NTSTATUS status)
+{
+	if (!req->smb_conn->config.nt_status_support || !(req->smb_conn->negotiate.client_caps & CAP_STATUS32)) {
+		/* convert to DOS error codes */
+		uint8_t eclass;
+		uint32_t ecode;
+		ntstatus_to_dos(status, &eclass, &ecode);
+		SCVAL(req->out.hdr, HDR_RCLS, eclass);
+		SSVAL(req->out.hdr, HDR_ERR, ecode);
+		SSVAL(req->out.hdr, HDR_FLG2, SVAL(req->out.hdr, HDR_FLG2) & ~FLAGS2_32_BIT_ERROR_CODES);
+		return;
+	}
+
+	if (NT_STATUS_IS_DOS(status)) {
+		/* its a encoded DOS error, using the reserved range */
+		SSVAL(req->out.hdr, HDR_RCLS, NT_STATUS_DOS_CLASS(status));
+		SSVAL(req->out.hdr, HDR_ERR,  NT_STATUS_DOS_CODE(status));
+		SSVAL(req->out.hdr, HDR_FLG2, SVAL(req->out.hdr, HDR_FLG2) & ~FLAGS2_32_BIT_ERROR_CODES);
+	} else {
+		SIVAL(req->out.hdr, HDR_RCLS, NT_STATUS_V(status));
+		SSVAL(req->out.hdr, HDR_FLG2, SVAL(req->out.hdr, HDR_FLG2) | FLAGS2_32_BIT_ERROR_CODES);
+	}
+}
+
+/* 
+   construct and send an error packet, then destroy the request 
+   auto-converts to DOS error format when appropriate
+*/
+void smbsrv_send_error(struct smbsrv_request *req, NTSTATUS status)
+{
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* the socket has been destroyed - no point trying to send an error! */
+		talloc_free(req);
+		return;
+	}
+	smbsrv_setup_reply(req, 0, 0);
+
+	/* error returns never have any data */
+	req_grow_data(req, 0);
+
+	smbsrv_setup_error(req, status);
+	smbsrv_send_reply(req);
+}
+
+
+/*
+  push a string into the data portion of the request packet, growing it if necessary
+  this gets quite tricky - please be very careful to cover all cases when modifying this
+
+  if dest is NULL, then put the string at the end of the data portion of the packet
+
+  if dest_len is -1 then no limit applies
+*/
+size_t req_push_str(struct smbsrv_request *req, uint8_t *dest, const char *str, int dest_len, size_t flags)
+{
+	size_t len;
+	unsigned int grow_size;
+	uint8_t *buf0;
+	const int max_bytes_per_char = 3;
+
+	if (!(flags & (STR_ASCII|STR_UNICODE))) {
+		flags |= (req->flags2 & FLAGS2_UNICODE_STRINGS) ? STR_UNICODE : STR_ASCII;
+	}
+
+	if (dest == NULL) {
+		dest = req->out.data + req->out.data_size;
+	}
+
+	if (dest_len != -1) {
+		len = dest_len;
+	} else {
+		len = (strlen(str)+2) * max_bytes_per_char;
+	}
+
+	grow_size = len + PTR_DIFF(dest, req->out.data);
+	buf0 = req->out.buffer;
+
+	req_grow_allocation(req, grow_size);
+
+	if (buf0 != req->out.buffer) {
+		dest = req->out.buffer + PTR_DIFF(dest, buf0);
+	}
+
+	len = push_string(dest, str, len, flags);
+
+	grow_size = len + PTR_DIFF(dest, req->out.data);
+
+	if (grow_size > req->out.data_size) {
+		req_grow_data(req, grow_size);
+	}
+
+	return len;
+}
+
+/*
+  append raw bytes into the data portion of the request packet
+  return the number of bytes added
+*/
+size_t req_append_bytes(struct smbsrv_request *req, 
+			const uint8_t *bytes, size_t byte_len)
+{
+	req_grow_allocation(req, byte_len + req->out.data_size);
+	memcpy(req->out.data + req->out.data_size, bytes, byte_len);
+	req_grow_data(req, byte_len + req->out.data_size);
+	return byte_len;
+}
+/*
+  append variable block (type 5 buffer) into the data portion of the request packet
+  return the number of bytes added
+*/
+size_t req_append_var_block(struct smbsrv_request *req, 
+		const uint8_t *bytes, uint16_t byte_len)
+{
+	req_grow_allocation(req, byte_len + 3 + req->out.data_size);
+	SCVAL(req->out.data + req->out.data_size, 0, 5);
+	SSVAL(req->out.data + req->out.data_size, 1, byte_len);		/* add field length */
+	if (byte_len > 0) {
+		memcpy(req->out.data + req->out.data_size + 3, bytes, byte_len);
+	}
+	req_grow_data(req, byte_len + 3 + req->out.data_size);
+	return byte_len + 3;
+}
+/**
+  pull a UCS2 string from a request packet, returning a talloced unix string
+
+  the string length is limited by the 3 things:
+   - the data size in the request (end of packet)
+   - the passed 'byte_len' if it is not -1
+   - the end of string (null termination)
+
+  Note that 'byte_len' is the number of bytes in the packet
+
+  on failure zero is returned and *dest is set to NULL, otherwise the number
+  of bytes consumed in the packet is returned
+*/
+static size_t req_pull_ucs2(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, unsigned int flags)
+{
+	int src_len, src_len2, alignment=0;
+	bool ret;
+	char *dest2;
+	size_t converted_size = 0;
+
+	if (!(flags & STR_NOALIGN) && ucs2_align(bufinfo->align_base, src, flags)) {
+		src++;
+		alignment=1;
+		if (byte_len != -1) {
+			byte_len--;
+		}
+	}
+
+	if (flags & STR_NO_RANGE_CHECK) {
+		src_len = byte_len;
+	} else {
+		src_len = bufinfo->data_size - PTR_DIFF(src, bufinfo->data);
+		if (byte_len != -1 && src_len > byte_len) {
+			src_len = byte_len;
+		}
+	}
+
+	if (src_len < 0) {
+		*dest = NULL;
+		return 0;
+	}
+	
+	src_len2 = utf16_len_n(src, src_len);
+	if (src_len2 == 0) {
+		*dest = talloc_strdup(bufinfo->mem_ctx, "");
+		return src_len2 + alignment;
+	}
+
+	ret = convert_string_talloc(bufinfo->mem_ctx, CH_UTF16, CH_UNIX, src, src_len2, (void **)&dest2, &converted_size);
+
+	if (!ret) {
+		*dest = NULL;
+		return 0;
+	}
+	*dest = dest2;
+
+	return src_len2 + alignment;
+}
+
+/**
+  pull a ascii string from a request packet, returning a talloced string
+
+  the string length is limited by the 3 things:
+   - the data size in the request (end of packet)
+   - the passed 'byte_len' if it is not -1
+   - the end of string (null termination)
+
+  Note that 'byte_len' is the number of bytes in the packet
+
+  on failure zero is returned and *dest is set to NULL, otherwise the number
+  of bytes consumed in the packet is returned
+*/
+static size_t req_pull_ascii(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, unsigned int flags)
+{
+	int src_len, src_len2;
+	bool ret;
+	char *dest2;
+	size_t converted_size = 0;
+
+	if (flags & STR_NO_RANGE_CHECK) {
+		src_len = byte_len;
+	} else {
+		src_len = bufinfo->data_size - PTR_DIFF(src, bufinfo->data);
+		if (src_len < 0) {
+			*dest = NULL;
+			return 0;
+		}
+		if (byte_len != -1 && src_len > byte_len) {
+			src_len = byte_len;
+		}
+	}
+
+	src_len2 = strnlen((const char *)src, src_len);
+	if (src_len2 <= src_len - 1) {
+		/* include the termination if we didn't reach the end of the packet */
+		src_len2++;
+	}
+
+	ret = convert_string_talloc(bufinfo->mem_ctx, CH_DOS, CH_UNIX, src, src_len2, (void **)&dest2, &converted_size);
+
+	if (!ret) {
+		*dest = NULL;
+		return 0;
+	}
+	*dest = dest2;
+
+	return src_len2;
+}
+
+/**
+  pull a string from a request packet, returning a talloced string
+
+  the string length is limited by the 3 things:
+   - the data size in the request (end of packet)
+   - the passed 'byte_len' if it is not -1
+   - the end of string (null termination)
+
+  Note that 'byte_len' is the number of bytes in the packet
+
+  on failure zero is returned and *dest is set to NULL, otherwise the number
+  of bytes consumed in the packet is returned
+*/
+size_t req_pull_string(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, int byte_len, unsigned int flags)
+{
+	if (!(flags & STR_ASCII) && 
+	    (((flags & STR_UNICODE) || (bufinfo->flags & BUFINFO_FLAG_UNICODE)))) {
+		return req_pull_ucs2(bufinfo, dest, src, byte_len, flags);
+	}
+
+	return req_pull_ascii(bufinfo, dest, src, byte_len, flags);
+}
+
+
+/**
+  pull a ASCII4 string buffer from a request packet, returning a talloced string
+  
+  an ASCII4 buffer is a null terminated string that has a prefix
+  of the character 0x4. It tends to be used in older parts of the protocol.
+
+  on failure *dest is set to the zero length string. This seems to
+  match win2000 behaviour
+*/
+size_t req_pull_ascii4(struct request_bufinfo *bufinfo, const char **dest, const uint8_t *src, unsigned int flags)
+{
+	ssize_t ret;
+
+	if (PTR_DIFF(src, bufinfo->data) + 1 > bufinfo->data_size) {
+		/* win2000 treats this as the empty string! */
+		(*dest) = talloc_strdup(bufinfo->mem_ctx, "");
+		return 0;
+	}
+
+	/* this consumes the 0x4 byte. We don't check whether the byte
+	   is actually 0x4 or not. This matches win2000 server
+	   behaviour */
+	src++;
+
+	ret = req_pull_string(bufinfo, dest, src, -1, flags);
+	if (ret == -1) {
+		(*dest) = talloc_strdup(bufinfo->mem_ctx, "");
+		return 1;
+	}
+	
+	return ret + 1;
+}
+
+/**
+  pull a DATA_BLOB from a request packet, returning a talloced blob
+
+  return false if any part is outside the data portion of the packet
+*/
+bool req_pull_blob(struct request_bufinfo *bufinfo, const uint8_t *src, int len, DATA_BLOB *blob)
+{
+	if (len != 0 && req_data_oob(bufinfo, src, len)) {
+		return false;
+	}
+
+	(*blob) = data_blob_talloc(bufinfo->mem_ctx, src, len);
+
+	return true;
+}
+
+/* check that a lump of data in a request is within the bounds of the data section of
+   the packet */
+bool req_data_oob(struct request_bufinfo *bufinfo, const uint8_t *ptr, uint32_t count)
+{
+	if (count == 0) {
+		return false;
+	}
+	
+	/* be careful with wraparound! */
+	if ((uintptr_t)ptr < (uintptr_t)bufinfo->data ||
+	    (uintptr_t)ptr >= (uintptr_t)bufinfo->data + bufinfo->data_size ||
+	    count > bufinfo->data_size ||
+	    (uintptr_t)ptr + count > (uintptr_t)bufinfo->data + bufinfo->data_size) {
+		return true;
+	}
+	return false;
+}
+
+
+/* 
+   pull an open file handle from a packet, taking account of the chained_fnum
+*/
+static uint16_t req_fnum(struct smbsrv_request *req, const uint8_t *base, unsigned int offset)
+{
+	if (req->chained_fnum != -1) {
+		return req->chained_fnum;
+	}
+	return SVAL(base, offset);
+}
+
+struct ntvfs_handle *smbsrv_pull_fnum(struct smbsrv_request *req, const uint8_t *base, unsigned int offset)
+{
+	struct smbsrv_handle *handle;
+	uint16_t fnum = req_fnum(req, base, offset);
+
+	handle = smbsrv_smb_handle_find(req->tcon, fnum, req->request_time);
+	if (!handle) {
+		return NULL;
+	}
+
+	/*
+	 * For SMB tcons and sessions can be mixed!
+	 * But we need to make sure that file handles
+	 * are only accessed by the opening session!
+	 *
+	 * So check if the handle is valid for the given session!
+	 */
+	if (handle->session != req->session) {
+		return NULL;
+	}
+
+	return handle->ntvfs;
+}
+
+void smbsrv_push_fnum(uint8_t *base, unsigned int offset, struct ntvfs_handle *ntvfs)
+{
+	struct smbsrv_handle *handle = talloc_get_type(ntvfs->frontend_data.private_data,
+				       struct smbsrv_handle);
+	SSVAL(base, offset, handle->hid);
+}
+
+NTSTATUS smbsrv_handle_create_new(void *private_data, struct ntvfs_request *ntvfs, struct ntvfs_handle **_h)
+{
+	struct smbsrv_request *req = talloc_get_type(ntvfs->frontend_data.private_data,
+				     struct smbsrv_request);
+	struct smbsrv_handle *handle;
+	struct ntvfs_handle *h;
+
+	handle = smbsrv_handle_new(req->session, req->tcon, req, req->request_time);
+	if (!handle) return NT_STATUS_INSUFFICIENT_RESOURCES;
+
+	h = talloc_zero(handle, struct ntvfs_handle);
+	if (!h) goto nomem;
+
+	/* 
+	 * note: we don't set handle->ntvfs yet,
+	 *       this will be done by smbsrv_handle_make_valid()
+	 *       this makes sure the handle is invalid for clients
+	 *       until the ntvfs subsystem has made it valid
+	 */
+	h->ctx		= ntvfs->ctx;
+	h->session_info	= ntvfs->session_info;
+	h->smbpid	= ntvfs->smbpid;
+
+	h->frontend_data.private_data = handle;
+
+	*_h = h;
+	return NT_STATUS_OK;
+nomem:
+	talloc_free(handle);
+	return NT_STATUS_NO_MEMORY;
+}
+
+NTSTATUS smbsrv_handle_make_valid(void *private_data, struct ntvfs_handle *h)
+{
+	struct smbsrv_tcon *tcon = talloc_get_type(private_data, struct smbsrv_tcon);
+	struct smbsrv_handle *handle = talloc_get_type(h->frontend_data.private_data,
+						       struct smbsrv_handle);
+	/* this tells the frontend that the handle is valid */
+	handle->ntvfs = h;
+	/* this moves the smbsrv_request to the smbsrv_tcon memory context */
+	talloc_steal(tcon, handle);
+	return NT_STATUS_OK;
+}
+
+void smbsrv_handle_destroy(void *private_data, struct ntvfs_handle *h)
+{
+	struct smbsrv_handle *handle = talloc_get_type(h->frontend_data.private_data,
+						       struct smbsrv_handle);
+	talloc_free(handle);
+}
+
+struct ntvfs_handle *smbsrv_handle_search_by_wire_key(void *private_data, struct ntvfs_request *ntvfs, const DATA_BLOB *key)
+{
+	struct smbsrv_request *req = talloc_get_type(ntvfs->frontend_data.private_data,
+				     struct smbsrv_request);
+
+	if (key->length != 2) return NULL;
+
+	return smbsrv_pull_fnum(req, key->data, 0);
+}
+
+DATA_BLOB smbsrv_handle_get_wire_key(void *private_data, struct ntvfs_handle *handle, TALLOC_CTX *mem_ctx)
+{
+	uint8_t key[2];
+
+	smbsrv_push_fnum(key, 0, handle);
+
+	return data_blob_talloc(mem_ctx, key, sizeof(key));
+}
diff --git a/source4/smb_server/smb/search.c b/source4/smb_server/smb/search.c
new file mode 100644
index 0000000..bf47217
--- /dev/null
+++ b/source4/smb_server/smb/search.c
@@ -0,0 +1,283 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMBsearch handling
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) James J Myers 2003 <myersjj@samba.org>
+
+   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/>.
+*/
+/*
+   This file handles the parsing of transact2 requests
+*/
+
+#include "includes.h"
+#include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.h"
+
+
+/* a structure to encapsulate the state information about 
+ * an in-progress search first/next operation */
+struct search_state {
+	struct smbsrv_request *req;
+	union smb_search_data *file;
+	uint16_t last_entry_offset;
+};
+
+/*
+  fill a single entry in a search find reply 
+*/
+static bool find_fill_info(struct smbsrv_request *req,
+			   const union smb_search_data *file)
+{
+	uint8_t *p;
+
+	if (req->out.data_size + 43 > req_max_data(req)) {
+		return false;
+	}
+	
+	req_grow_data(req, req->out.data_size + 43);
+	p = req->out.data + req->out.data_size - 43;
+
+	SCVAL(p,  0, file->search.id.reserved);
+	memcpy(p+1, file->search.id.name, 11);
+	SCVAL(p, 12, file->search.id.handle);
+	SIVAL(p, 13, file->search.id.server_cookie);
+	SIVAL(p, 17, file->search.id.client_cookie);
+	SCVAL(p, 21, file->search.attrib);
+	srv_push_dos_date(req->smb_conn, p, 22, file->search.write_time);
+	SIVAL(p, 26, file->search.size);
+	memset(p+30, ' ', 12);
+	memcpy(p+30, file->search.name, MIN(strlen(file->search.name)+1, 12));
+	SCVAL(p,42,0);
+
+	return true;
+}
+
+/* callback function for search first/next */
+static bool find_callback(void *private_data, const union smb_search_data *file)
+{
+	struct search_state *state = (struct search_state *)private_data;
+
+	return find_fill_info(state->req, file);
+}
+
+/****************************************************************************
+ Reply to a search first (async reply)
+****************************************************************************/
+static void reply_search_first_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_search_first *sf;
+
+	SMBSRV_CHECK_ASYNC_STATUS(sf, union smb_search_first);
+
+	SSVAL(req->out.vwv, VWV(0), sf->search_first.out.count);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a search next (async reply)
+****************************************************************************/
+static void reply_search_next_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	union smb_search_next *sn;
+	
+	SMBSRV_CHECK_ASYNC_STATUS(sn, union smb_search_next);
+
+	SSVAL(req->out.vwv, VWV(0), sn->search_next.out.count);
+
+	smbsrv_send_reply(req);
+}
+
+/****************************************************************************
+ Reply to a search.
+****************************************************************************/
+void smbsrv_reply_search(struct smbsrv_request *req)
+{
+	union smb_search_first *sf;
+	uint16_t resume_key_length;
+	struct search_state *state;
+	uint8_t *p;
+	enum smb_search_level level = RAW_SEARCH_SEARCH;
+	uint8_t op = CVAL(req->in.hdr,HDR_COM);
+
+	if (op == SMBffirst) {
+		level = RAW_SEARCH_FFIRST;
+	} else if (op == SMBfunique) {
+		level = RAW_SEARCH_FUNIQUE;
+	}
+
+	/* parse request */
+	if (req->in.wct != 2) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	SMBSRV_TALLOC_IO_PTR(sf, union smb_search_first);
+
+	p = req->in.data;
+	p += req_pull_ascii4(&req->in.bufinfo, &sf->search_first.in.pattern, 
+			     p, STR_TERMINATE);
+	if (!sf->search_first.in.pattern) {
+		smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+		return;
+	}
+
+	if (req_data_oob(&req->in.bufinfo, p, 3)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	if (*p != 5) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	resume_key_length = SVAL(p, 1);
+	p += 3;
+	
+	/* setup state for callback */
+	state = talloc(req, struct search_state);
+	if (!state) {
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+
+	state->req = req;
+	state->file = NULL;
+	state->last_entry_offset = 0;
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+	SSVAL(req->out.vwv, VWV(0), 0);
+	req_append_var_block(req, NULL, 0);
+
+	if (resume_key_length != 0) {
+		union smb_search_next *sn;
+
+		if (resume_key_length != 21 || 
+		    req_data_oob(&req->in.bufinfo, p, 21) ||
+		    level == RAW_SEARCH_FUNIQUE) {
+			smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+			return;
+		}
+
+		/* do a search next operation */
+		SMBSRV_TALLOC_IO_PTR(sn, union smb_search_next);
+		SMBSRV_SETUP_NTVFS_REQUEST(reply_search_next_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+		sn->search_next.in.id.reserved      = CVAL(p, 0);
+		memcpy(sn->search_next.in.id.name,    p+1, 11);
+		sn->search_next.in.id.handle        = CVAL(p, 12);
+		sn->search_next.in.id.server_cookie = IVAL(p, 13);
+		sn->search_next.in.id.client_cookie = IVAL(p, 17);
+
+		sn->search_next.level = level;
+		sn->search_next.data_level = RAW_SEARCH_DATA_SEARCH;
+		sn->search_next.in.max_count     = SVAL(req->in.vwv, VWV(0));
+		sn->search_next.in.search_attrib = SVAL(req->in.vwv, VWV(1));
+
+		/* call backend */
+		SMBSRV_CALL_NTVFS_BACKEND(ntvfs_search_next(req->ntvfs, sn, state, find_callback));
+	} else {
+		SMBSRV_SETUP_NTVFS_REQUEST(reply_search_first_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+		/* do a search first operation */
+		sf->search_first.level = level;
+		sf->search_first.data_level = RAW_SEARCH_DATA_SEARCH;
+		sf->search_first.in.search_attrib = SVAL(req->in.vwv, VWV(1));
+		sf->search_first.in.max_count     = SVAL(req->in.vwv, VWV(0));
+
+		SMBSRV_CALL_NTVFS_BACKEND(ntvfs_search_first(req->ntvfs, sf, state, find_callback));
+	}
+}
+
+
+/****************************************************************************
+ Reply to a fclose (async reply)
+****************************************************************************/
+static void reply_fclose_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+
+	SMBSRV_CHECK_ASYNC_STATUS_SIMPLE;
+
+	/* construct reply */
+	smbsrv_setup_reply(req, 1, 0);
+
+	SSVAL(req->out.vwv, VWV(0), 0);
+
+	smbsrv_send_reply(req);
+}
+
+
+/****************************************************************************
+ Reply to fclose (stop directory search).
+****************************************************************************/
+void smbsrv_reply_fclose(struct smbsrv_request *req)
+{
+	union smb_search_close *sc;
+	uint16_t resume_key_length;
+	uint8_t *p;
+	const char *pattern;
+
+	/* parse request */
+	if (req->in.wct != 2) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	SMBSRV_TALLOC_IO_PTR(sc, union smb_search_close);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_fclose_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	p = req->in.data;
+	p += req_pull_ascii4(&req->in.bufinfo, &pattern, p, STR_TERMINATE);
+	if (pattern && *pattern) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	
+	if (req_data_oob(&req->in.bufinfo, p, 3)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	if (*p != 5) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	resume_key_length = SVAL(p, 1);
+	p += 3;
+
+	if (resume_key_length != 21) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	if (req_data_oob(&req->in.bufinfo, p, 21)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	sc->fclose.level               = RAW_FINDCLOSE_FCLOSE;
+	sc->fclose.in.max_count        = SVAL(req->in.vwv, VWV(0));
+	sc->fclose.in.search_attrib    = SVAL(req->in.vwv, VWV(1));
+	sc->fclose.in.id.reserved      = CVAL(p, 0);
+	memcpy(sc->fclose.in.id.name,    p+1, 11);
+	sc->fclose.in.id.handle        = CVAL(p, 12);
+	sc->fclose.in.id.server_cookie = IVAL(p, 13);
+	sc->fclose.in.id.client_cookie = IVAL(p, 17);
+
+	SMBSRV_CALL_NTVFS_BACKEND(ntvfs_search_close(req->ntvfs, sc));
+
+}
diff --git a/source4/smb_server/smb/service.c b/source4/smb_server/smb/service.c
new file mode 100644
index 0000000..eb1874c
--- /dev/null
+++ b/source4/smb_server/smb/service.c
@@ -0,0 +1,202 @@
+/* 
+   Unix SMB/CIFS implementation.
+   service (connection) handling
+   Copyright (C) Andrew Tridgell 1992-2003
+   
+   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 "smb_server/smb_server.h"
+#include "samba/service_stream.h"
+#include "ntvfs/ntvfs.h"
+#include "param/param.h"
+
+#undef strcasecmp
+
+/****************************************************************************
+  Make a connection, given the snum to connect to, and the vuser of the
+  connecting user if appropriate.
+  Does note invoke the NTVFS connection hook
+****************************************************************************/
+static NTSTATUS make_connection_scfg(struct smbsrv_request *req,
+				     struct share_config *scfg,
+				     enum ntvfs_type type,
+				     DATA_BLOB password, 
+				     const char *dev)
+{
+	struct smbsrv_tcon *tcon;
+	NTSTATUS status;
+	uint64_t ntvfs_caps = 0;
+
+	tcon = smbsrv_smb_tcon_new(req->smb_conn, scfg->name);
+	if (!tcon) {
+		DEBUG(0,("Couldn't find free connection.\n"));
+		return NT_STATUS_INSUFFICIENT_RESOURCES;
+	}
+	req->tcon = tcon;
+
+	if (req->smb_conn->negotiate.client_caps & CAP_LEVEL_II_OPLOCKS) {
+		ntvfs_caps |= NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS;
+	}
+
+	/* init ntvfs function pointers */
+	status = ntvfs_init_connection(tcon, scfg, type,
+				       req->smb_conn->negotiate.protocol,
+				       ntvfs_caps,
+				       req->smb_conn->connection->event.ctx,
+				       req->smb_conn->connection->msg_ctx,
+				       req->smb_conn->lp_ctx,
+				       req->smb_conn->connection->server_id,
+				       &tcon->ntvfs);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("make_connection_scfg: connection failed for service %s\n", 
+			  scfg->name));
+		goto failed;
+	}
+
+	status = ntvfs_set_oplock_handler(tcon->ntvfs, smbsrv_send_oplock_break, tcon);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("make_connection: NTVFS failed to set the oplock handler!\n"));
+		goto failed;
+	}
+
+	status = ntvfs_set_addresses(tcon->ntvfs,
+				     req->smb_conn->connection->local_address,
+				     req->smb_conn->connection->remote_address);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("make_connection: NTVFS failed to set the addresses!\n"));
+		goto failed;
+	}
+
+	status = ntvfs_set_handle_callbacks(tcon->ntvfs,
+					    smbsrv_handle_create_new,
+					    smbsrv_handle_make_valid,
+					    smbsrv_handle_destroy,
+					    smbsrv_handle_search_by_wire_key,
+					    smbsrv_handle_get_wire_key,
+					    tcon);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("make_connection: NTVFS failed to set the handle callbacks!\n"));
+		goto failed;
+	}
+
+	return NT_STATUS_OK;
+
+failed:
+	req->tcon = NULL;
+	talloc_free(tcon);
+	return status;
+}
+
+/****************************************************************************
+ Make a connection to a service.
+ *
+ * @param service 
+****************************************************************************/
+static NTSTATUS make_connection(struct smbsrv_request *req,
+				const char *service, DATA_BLOB password, 
+				const char *dev)
+{
+	NTSTATUS status;
+	enum ntvfs_type type;
+	const char *type_str;
+	struct share_config *scfg;
+	char *sharetype;
+
+	/* the service might be of the form \\SERVER\SHARE. Should we put
+	   the server name we get from this somewhere? */
+	if (strncmp(service, "\\\\", 2) == 0) {
+		char *p = strchr(service+2, '\\');
+		if (p) {
+			service = p + 1;
+		}
+	}
+
+	status = share_get_config(req, req->smb_conn->share_context, service, &scfg);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("make_connection: couldn't find service %s: %s\n", service, nt_errstr(status)));
+		return NT_STATUS_BAD_NETWORK_NAME;
+	}
+
+	/* TODO: check the password, when it's share level security! */
+
+	if (!socket_check_access(req->smb_conn->connection->socket, 
+				 scfg->name, 
+				 share_string_list_option(req, scfg, SHARE_HOSTS_ALLOW), 
+				 share_string_list_option(req, scfg, SHARE_HOSTS_DENY))) {
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	/* work out what sort of connection this is */
+	sharetype = share_string_option(req, scfg, "type", "DISK");
+	if (sharetype && strcmp(sharetype, "IPC") == 0) {
+		type = NTVFS_IPC;
+		type_str = "IPC";
+	} else if (sharetype && strcmp(sharetype, "PRINTER") == 0) {
+		type = NTVFS_PRINT;
+		type_str = "LPT:";
+	} else {
+		type = NTVFS_DISK;
+		type_str = "A:";
+	}
+	TALLOC_FREE(sharetype);
+
+	if (strcmp(dev, "?????") != 0 && strcasecmp(type_str, dev) != 0) {
+		/* the client gave us the wrong device type */
+		return NT_STATUS_BAD_DEVICE_TYPE;
+	}
+
+	return make_connection_scfg(req, scfg, type, password, dev);
+}
+
+/*
+  backend for tree connect call, in preparation for calling ntvfs_connect()
+*/
+NTSTATUS smbsrv_tcon_backend(struct smbsrv_request *req, union smb_tcon *con)
+{
+	NTSTATUS status;
+
+	if (con->generic.level == RAW_TCON_TCON) {
+		DATA_BLOB password;
+		password = data_blob_string_const(con->tcon.in.password);
+
+		status = make_connection(req, con->tcon.in.service, password, con->tcon.in.dev);
+		
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+
+		con->tcon.out.max_xmit = req->smb_conn->negotiate.max_recv;
+		con->tcon.out.tid = req->tcon->tid;
+
+		return status;
+	} 
+
+	/* TODO: take a look at tconx.in.flags! */
+
+	status = make_connection(req, con->tconx.in.path, con->tconx.in.password, 
+				 con->tconx.in.device);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	con->tconx.out.tid = req->tcon->tid;
+	con->tconx.out.options = SMB_SUPPORT_SEARCH_BITS | (share_int_option(req->tcon->ntvfs->config, SHARE_CSC_POLICY, SHARE_CSC_POLICY_DEFAULT) << 2);
+	if (share_bool_option(req->tcon->ntvfs->config, SHARE_MSDFS_ROOT, SHARE_MSDFS_ROOT_DEFAULT) && lpcfg_host_msdfs(req->smb_conn->lp_ctx)) {
+		con->tconx.out.options |= SMB_SHARE_IN_DFS;
+	}
+
+	return status;
+}
diff --git a/source4/smb_server/smb/sesssetup.c b/source4/smb_server/smb/sesssetup.c
new file mode 100644
index 0000000..07a7e7e
--- /dev/null
+++ b/source4/smb_server/smb/sesssetup.c
@@ -0,0 +1,644 @@
+
+/* 
+   Unix SMB/CIFS implementation.
+   handle SMBsessionsetup
+   Copyright (C) Andrew Tridgell                      1998-2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
+   Copyright (C) Jim McDonough                        2002
+   Copyright (C) Luke Howard                          2003
+   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 <tevent.h>
+#include "version.h"
+#include "auth/gensec/gensec.h"
+#include "auth/auth.h"
+#include "smb_server/smb_server.h"
+#include "samba/service_stream.h"
+#include "param/param.h"
+#include "../lib/tsocket/tsocket.h"
+#include "lib/stream/packet.h"
+
+struct sesssetup_context {
+	struct auth4_context *auth_context;
+	struct smbsrv_request *req;
+};
+
+/*
+ * Log the SMB authentication, as by not calling GENSEC we won't log
+ * it during the gensec_session_info().
+ */
+void smbsrv_not_spengo_sesssetup_authz_log(struct smbsrv_request *req,
+					       struct auth_session_info *session_info)
+{
+	struct tsocket_address *local_address;
+	struct tsocket_address *remote_address;
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	remote_address = socket_get_remote_addr(req->smb_conn->connection->socket,
+						frame);
+	local_address = socket_get_local_addr(req->smb_conn->connection->socket,
+					      frame);
+
+	log_successful_authz_event(req->smb_conn->connection->msg_ctx,
+				   req->smb_conn->lp_ctx,
+				   remote_address,
+				   local_address,
+				   "SMB",
+				   "bare-NTLM",
+				   AUTHZ_TRANSPORT_PROTECTION_SMB,
+				   session_info);
+
+	talloc_free(frame);
+	return;
+}
+
+
+/*
+  setup the OS, Lanman and domain portions of a session setup reply
+*/
+static void sesssetup_common_strings(struct smbsrv_request *req,
+				     char **os, char **lanman, char **domain)
+{
+	(*os) = talloc_asprintf(req, "Unix");
+	(*lanman) = talloc_asprintf(req, "Samba %s", SAMBA_VERSION_STRING);
+	(*domain) = talloc_asprintf(req, "%s", 
+				    lpcfg_workgroup(req->smb_conn->lp_ctx));
+}
+
+static void smbsrv_sesssetup_backend_send(struct smbsrv_request *req,
+					  union smb_sesssetup *sess,
+					  NTSTATUS status)
+{
+	if (NT_STATUS_IS_OK(status)) {
+		req->smb_conn->negotiate.done_sesssetup = true;
+		/* we need to keep the session long term */
+		req->session = talloc_steal(req->smb_conn, req->session);
+	}
+	smbsrv_reply_sesssetup_send(req, sess, status);
+}
+
+static void sesssetup_old_send(struct tevent_req *subreq)
+{
+	struct sesssetup_context *state = tevent_req_callback_data(subreq, struct sesssetup_context);
+	struct smbsrv_request *req = state->req;
+
+	union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
+	struct auth_user_info_dc *user_info_dc = NULL;
+	struct auth_session_info *session_info;
+	struct smbsrv_session *smb_sess;
+	NTSTATUS status;
+	uint8_t authoritative = 1;
+	uint32_t flags;
+
+	status = auth_check_password_recv(subreq, req, &user_info_dc,
+					  &authoritative);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	flags = AUTH_SESSION_INFO_DEFAULT_GROUPS;
+	if (user_info_dc->info->authenticated) {
+		flags |= AUTH_SESSION_INFO_AUTHENTICATED;
+	}
+	/* This references user_info_dc into session_info */
+	status = req->smb_conn->negotiate.auth_context->generate_session_info(req->smb_conn->negotiate.auth_context,
+									      req,
+									      user_info_dc, sess->old.in.user, 
+									      flags, &session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	/* allocate a new session */
+	smb_sess = smbsrv_session_new(req->smb_conn, req, NULL);
+	if (!smb_sess) {
+		status = NT_STATUS_INSUFFICIENT_RESOURCES;
+		goto failed;
+	}
+
+	smbsrv_not_spengo_sesssetup_authz_log(req, session_info);
+
+	/* Ensure this is marked as a 'real' vuid, not one
+	 * simply valid for the session setup leg */
+	status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	/* To correctly process any AndX packet (like a tree connect)
+	 * we need to fill in the session on the request here */
+	req->session = smb_sess;
+	sess->old.out.vuid = smb_sess->vuid;
+
+failed:
+	status = nt_status_squash(status);
+	smbsrv_sesssetup_backend_send(req, sess, status);
+}
+
+/*
+  handler for old style session setup
+*/
+static void sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *sess)
+{
+	struct auth_usersupplied_info *user_info = NULL;
+	struct tsocket_address *remote_address, *local_address;
+	const char *remote_machine = NULL;
+	struct tevent_req *subreq;
+	struct sesssetup_context *state;
+
+	sess->old.out.vuid = 0;
+	sess->old.out.action = 0;
+
+	sesssetup_common_strings(req, 
+				 &sess->old.out.os,
+				 &sess->old.out.lanman,
+				 &sess->old.out.domain);
+
+	if (!req->smb_conn->negotiate.done_sesssetup) {
+		req->smb_conn->negotiate.max_send = sess->old.in.bufsize;
+	}
+
+	if (req->smb_conn->negotiate.calling_name) {
+		remote_machine = req->smb_conn->negotiate.calling_name->name;
+	}
+	
+	remote_address = socket_get_remote_addr(req->smb_conn->connection->socket, req);
+	if (!remote_address) goto nomem;
+
+	if (!remote_machine) {
+		remote_machine = tsocket_address_inet_addr_string(remote_address, req);
+		if (!remote_machine) goto nomem;
+	}
+
+	local_address = socket_get_local_addr(req->smb_conn->connection->socket, req);
+	if (!local_address) goto nomem;
+
+	user_info = talloc_zero(req, struct auth_usersupplied_info);
+	if (!user_info) goto nomem;
+
+	user_info->service_description = "SMB";
+	
+	user_info->logon_parameters = 0;
+	user_info->flags = 0;
+	user_info->client.account_name = sess->old.in.user;
+	user_info->client.domain_name = sess->old.in.domain;
+	user_info->workstation_name = remote_machine;
+
+	user_info->remote_host = talloc_steal(user_info, remote_address);
+	user_info->local_host = talloc_steal(user_info, local_address);
+	
+	user_info->password_state = AUTH_PASSWORD_RESPONSE;
+	user_info->password.response.lanman = sess->old.in.password;
+	user_info->password.response.lanman.data = talloc_steal(user_info, sess->old.in.password.data);
+	user_info->password.response.nt = data_blob(NULL, 0);
+
+	state = talloc(req, struct sesssetup_context);
+	if (!state) goto nomem;
+
+	if (req->smb_conn->negotiate.auth_context) {
+		state->auth_context = req->smb_conn->negotiate.auth_context;
+	} else {
+		/* TODO: should we use just "anonymous" here? */
+		NTSTATUS status = auth_context_create(state,
+						      req->smb_conn->connection->event.ctx,
+						      req->smb_conn->connection->msg_ctx,
+						      req->smb_conn->lp_ctx,
+						      &state->auth_context);
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_sesssetup_backend_send(req, sess, status);
+			return;
+		}
+	}
+
+	state->req = req;
+
+	subreq = auth_check_password_send(state,
+					  req->smb_conn->connection->event.ctx,
+					  req->smb_conn->negotiate.auth_context,
+					  user_info);
+	if (!subreq) goto nomem;
+	tevent_req_set_callback(subreq, sesssetup_old_send, state);
+	return;
+
+nomem:
+	smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_NO_MEMORY);
+}
+
+static void sesssetup_nt1_send(struct tevent_req *subreq)
+{
+	struct sesssetup_context *state = tevent_req_callback_data(subreq, struct sesssetup_context);
+	struct smbsrv_request *req = state->req;
+	union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
+	struct auth_user_info_dc *user_info_dc = NULL;
+	struct auth_session_info *session_info;
+	struct smbsrv_session *smb_sess;
+	uint8_t authoritative = 1;
+	uint32_t flags;
+	NTSTATUS status;
+
+	status = auth_check_password_recv(subreq, req, &user_info_dc,
+					  &authoritative);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	flags = AUTH_SESSION_INFO_DEFAULT_GROUPS;
+	if (user_info_dc->info->authenticated) {
+		flags |= AUTH_SESSION_INFO_AUTHENTICATED;
+	}
+	/* This references user_info_dc into session_info */
+	status = state->auth_context->generate_session_info(state->auth_context,
+							    req,
+							    user_info_dc,
+							    sess->nt1.in.user,
+							    flags,
+							    &session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	/* allocate a new session */
+	smb_sess = smbsrv_session_new(req->smb_conn, req, NULL);
+	if (!smb_sess) {
+		status = NT_STATUS_INSUFFICIENT_RESOURCES;
+		goto failed;
+	}
+
+	smbsrv_not_spengo_sesssetup_authz_log(req, session_info);
+
+	/* Ensure this is marked as a 'real' vuid, not one
+	 * simply valid for the session setup leg */
+	status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	/* To correctly process any AndX packet (like a tree connect)
+	 * we need to fill in the session on the request here */
+	req->session = smb_sess;
+	sess->nt1.out.vuid = smb_sess->vuid;
+
+ 	if (!smbsrv_setup_signing(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2)) {
+		/* Already signing, or disabled */
+		goto done;
+	}
+
+done:
+	status = NT_STATUS_OK;
+failed:
+	status = nt_status_squash(status);
+	smbsrv_sesssetup_backend_send(req, sess, status);
+}
+
+/*
+  handler for NT1 style session setup
+*/
+static void sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *sess)
+{
+	NTSTATUS status;
+	struct auth_usersupplied_info *user_info = NULL;
+	struct tsocket_address *remote_address, *local_address;
+	const char *remote_machine = NULL;
+	struct tevent_req *subreq;
+	struct sesssetup_context *state;
+	bool allow_raw = lpcfg_raw_ntlmv2_auth(req->smb_conn->lp_ctx);
+
+	sess->nt1.out.vuid = 0;
+	sess->nt1.out.action = 0;
+
+	sesssetup_common_strings(req, 
+				 &sess->nt1.out.os,
+				 &sess->nt1.out.lanman,
+				 &sess->nt1.out.domain);
+
+	if (!req->smb_conn->negotiate.done_sesssetup) {
+		req->smb_conn->negotiate.max_send = sess->nt1.in.bufsize;
+		req->smb_conn->negotiate.client_caps = sess->nt1.in.capabilities;
+	}
+
+	state = talloc(req, struct sesssetup_context);
+	if (!state) goto nomem;
+
+	state->req = req;
+
+	if (req->smb_conn->negotiate.oid) {
+		if (sess->nt1.in.user && *sess->nt1.in.user) {
+			/* We can't accept a normal login, because we
+			 * don't have a challenge */
+			status = NT_STATUS_LOGON_FAILURE;
+			goto failed;
+		}
+
+		/* TODO: should we use just "anonymous" here? */
+		status = auth_context_create(state,
+					     req->smb_conn->connection->event.ctx,
+					     req->smb_conn->connection->msg_ctx,
+					     req->smb_conn->lp_ctx,
+					     &state->auth_context);
+		if (!NT_STATUS_IS_OK(status)) goto failed;
+	} else if (req->smb_conn->negotiate.auth_context) {
+		state->auth_context = req->smb_conn->negotiate.auth_context;
+	} else {
+		/* TODO: should we use just "anonymous" here? */
+		status = auth_context_create(state,
+					     req->smb_conn->connection->event.ctx,
+					     req->smb_conn->connection->msg_ctx,
+					     req->smb_conn->lp_ctx,
+					     &state->auth_context);
+		if (!NT_STATUS_IS_OK(status)) goto failed;
+	}
+
+	if (req->smb_conn->negotiate.calling_name) {
+		remote_machine = req->smb_conn->negotiate.calling_name->name;
+	}
+
+	remote_address = socket_get_remote_addr(req->smb_conn->connection->socket, req);
+	if (!remote_address) goto nomem;
+
+	if (!remote_machine) {
+		remote_machine = tsocket_address_inet_addr_string(remote_address, req);
+		if (!remote_machine) goto nomem;
+	}
+
+	local_address = socket_get_local_addr(req->smb_conn->connection->socket, req);
+	if (!local_address) goto nomem;
+
+	user_info = talloc_zero(req, struct auth_usersupplied_info);
+	if (!user_info) goto nomem;
+
+	user_info->service_description = "SMB";
+	user_info->auth_description = "bare-NTLM";
+
+	user_info->logon_parameters = 0;
+	user_info->flags = 0;
+	user_info->client.account_name = sess->nt1.in.user;
+	user_info->client.domain_name = sess->nt1.in.domain;
+	user_info->workstation_name = remote_machine;
+	user_info->remote_host = talloc_steal(user_info, remote_address);
+	user_info->local_host = talloc_steal(user_info, local_address);
+	
+	user_info->password_state = AUTH_PASSWORD_RESPONSE;
+	user_info->password.response.lanman = sess->nt1.in.password1;
+	user_info->password.response.lanman.data = talloc_steal(user_info, sess->nt1.in.password1.data);
+	user_info->password.response.nt = sess->nt1.in.password2;
+	user_info->password.response.nt.data = talloc_steal(user_info, sess->nt1.in.password2.data);
+
+	if (!allow_raw && user_info->password.response.nt.length >= 48) {
+		/*
+		 * NTLMv2_RESPONSE has at least 48 bytes
+		 * and should only be supported via NTLMSSP.
+		 */
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto failed;
+	}
+
+	subreq = auth_check_password_send(state,
+					  req->smb_conn->connection->event.ctx,
+					  state->auth_context,
+					  user_info);
+	if (!subreq) goto nomem;
+	tevent_req_set_callback(subreq, sesssetup_nt1_send, state);
+
+	return;
+
+nomem:
+	status = NT_STATUS_NO_MEMORY;
+failed:
+	status = nt_status_squash(status);
+	smbsrv_sesssetup_backend_send(req, sess, status);
+}
+
+struct sesssetup_spnego_state {
+	struct smbsrv_request *req;
+	union smb_sesssetup *sess;
+	struct smbsrv_session *smb_sess;
+};
+
+static void sesssetup_spnego_send(struct tevent_req *subreq)
+{
+	struct sesssetup_spnego_state *s = tevent_req_callback_data(subreq,
+					   struct sesssetup_spnego_state);
+	struct smbsrv_request *req = s->req;
+	union smb_sesssetup *sess = s->sess;
+	struct smbsrv_session *smb_sess = s->smb_sess;
+	struct auth_session_info *session_info = NULL;
+	NTSTATUS status;
+	NTSTATUS skey_status;
+	DATA_BLOB session_key;
+
+	status = gensec_update_recv(subreq, req, &sess->spnego.out.secblob);
+	packet_recv_enable(req->smb_conn->packet);
+	TALLOC_FREE(subreq);
+	if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		goto done;
+	} else if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	status = gensec_session_info(smb_sess->gensec_ctx, smb_sess, &session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	/* The session_key is only needed until the end of the smbsrv_setup_signing() call */
+	skey_status = gensec_session_key(smb_sess->gensec_ctx, req, &session_key);
+	if (NT_STATUS_IS_OK(skey_status)) {
+		smbsrv_setup_signing(req->smb_conn, &session_key, NULL);
+	}
+
+	/* Ensure this is marked as a 'real' vuid, not one
+	 * simply valid for the session setup leg */
+	status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
+	if (!NT_STATUS_IS_OK(status)) goto failed;
+
+	req->session = smb_sess;
+
+done:
+	sess->spnego.out.vuid = smb_sess->vuid;
+failed:
+	status = nt_status_squash(status);
+	smbsrv_sesssetup_backend_send(req, sess, status);
+	if (!NT_STATUS_IS_OK(status) && 
+	    !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		talloc_free(smb_sess);
+	}
+}
+
+/*
+  handler for SPNEGO style session setup
+*/
+static void sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup *sess)
+{
+	NTSTATUS status;
+	struct smbsrv_session *smb_sess = NULL;
+	bool is_smb_sess_new = false;
+	struct sesssetup_spnego_state *s = NULL;
+	uint16_t vuid;
+	struct tevent_req *subreq;
+
+	sess->spnego.out.vuid = 0;
+	sess->spnego.out.action = 0;
+
+	sesssetup_common_strings(req, 
+				 &sess->spnego.out.os,
+				 &sess->spnego.out.lanman,
+				 &sess->spnego.out.workgroup);
+
+	if (!req->smb_conn->negotiate.done_sesssetup) {
+		req->smb_conn->negotiate.max_send = sess->spnego.in.bufsize;
+		req->smb_conn->negotiate.client_caps = sess->spnego.in.capabilities;
+	}
+
+	vuid = SVAL(req->in.hdr,HDR_UID);
+
+	/* lookup an existing session */
+	if (vuid == 0) {
+		struct gensec_security *gensec_ctx;
+		struct tsocket_address *remote_address, *local_address;
+		status = samba_server_gensec_start(req,
+						   req->smb_conn->connection->event.ctx,
+						   req->smb_conn->connection->msg_ctx,
+						   req->smb_conn->lp_ctx,
+						   req->smb_conn->negotiate.server_credentials,
+						   "cifs",
+						   &gensec_ctx);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status)));
+			goto failed;
+		}
+
+		gensec_want_feature(gensec_ctx, GENSEC_FEATURE_SESSION_KEY);
+		gensec_want_feature(gensec_ctx, GENSEC_FEATURE_SMB_TRANSPORT);
+
+		remote_address = socket_get_remote_addr(req->smb_conn->connection->socket,
+							req);
+		if (!remote_address) {
+			status = NT_STATUS_INTERNAL_ERROR;
+			DBG_ERR("Failed to obtain remote address");
+			goto failed;
+		}
+
+		status = gensec_set_remote_address(gensec_ctx,
+						   remote_address);
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set remote address");
+			goto failed;
+		}
+
+		local_address = socket_get_local_addr(req->smb_conn->connection->socket,
+							req);
+		if (!local_address) {
+			status = NT_STATUS_INTERNAL_ERROR;
+			DBG_ERR("Failed to obtain local address");
+			goto failed;
+		}
+
+		status = gensec_set_local_address(gensec_ctx,
+						   local_address);
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set local address");
+			goto failed;
+		}
+
+		status = gensec_set_target_service_description(gensec_ctx,
+							       "SMB");
+
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set service description");
+			goto failed;
+		}
+
+		status = gensec_start_mech_by_oid(gensec_ctx, req->smb_conn->negotiate.oid);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("Failed to start GENSEC %s server code: %s\n", 
+				  gensec_get_name_by_oid(gensec_ctx, req->smb_conn->negotiate.oid), nt_errstr(status)));
+			goto failed;
+		}
+
+		/* allocate a new session */
+		smb_sess = smbsrv_session_new(req->smb_conn, req->smb_conn, gensec_ctx);
+		if (!smb_sess) {
+			status = NT_STATUS_INSUFFICIENT_RESOURCES;
+			goto failed;
+		}
+		is_smb_sess_new = true;
+	} else {
+		smb_sess = smbsrv_session_find_sesssetup(req->smb_conn, vuid);
+	}
+
+	if (!smb_sess) {
+		status = NT_STATUS_DOS(ERRSRV, ERRbaduid);
+		goto failed;
+	}
+
+	if (smb_sess->session_info) {
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto failed;
+	}
+
+	if (!smb_sess->gensec_ctx) {
+		status = NT_STATUS_INTERNAL_ERROR;
+		DEBUG(1, ("Internal ERROR: no gensec_ctx on session: %s\n", nt_errstr(status)));
+		goto failed;
+	}
+
+	s = talloc(req, struct sesssetup_spnego_state);
+	if (!s) goto nomem;
+	s->req		= req;
+	s->sess		= sess;
+	s->smb_sess	= smb_sess;
+
+	subreq = gensec_update_send(s,
+				    req->smb_conn->connection->event.ctx,
+				    smb_sess->gensec_ctx,
+				    sess->spnego.in.secblob);
+	if (!subreq) {
+		goto nomem;
+	}
+	/* disable receipt of more packets on this socket until we've
+	   finished with the session setup. This avoids a problem with
+	   crashes if we get EOF on the socket while processing a session
+	   setup */
+	packet_recv_disable(req->smb_conn->packet);
+	tevent_req_set_callback(subreq, sesssetup_spnego_send, s);
+
+	return;
+
+nomem:
+	status = NT_STATUS_NO_MEMORY;
+failed:
+	if (is_smb_sess_new) {
+		talloc_free(smb_sess);
+	}
+	status = nt_status_squash(status);
+	smbsrv_sesssetup_backend_send(req, sess, status);
+}
+
+/*
+  backend for sessionsetup call - this takes all 3 variants of the call
+*/
+void smbsrv_sesssetup_backend(struct smbsrv_request *req,
+			      union smb_sesssetup *sess)
+{
+	switch (sess->old.level) {
+		case RAW_SESSSETUP_OLD:
+			sesssetup_old(req, sess);
+			return;
+
+		case RAW_SESSSETUP_NT1:
+			sesssetup_nt1(req, sess);
+			return;
+
+		case RAW_SESSSETUP_SPNEGO:
+			sesssetup_spnego(req, sess);
+			return;
+
+		case RAW_SESSSETUP_SMB2:
+			break;
+	}
+
+	smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_INVALID_LEVEL);
+}
diff --git a/source4/smb_server/smb/signing.c b/source4/smb_server/smb/signing.c
new file mode 100644
index 0000000..3fe7cff
--- /dev/null
+++ b/source4/smb_server/smb/signing.c
@@ -0,0 +1,147 @@
+/* 
+   Unix SMB/CIFS implementation.
+   
+   Copyright (C) Andrew Tridgell              2004
+   
+   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 "smb_server/smb_server.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "param/param.h"
+
+
+/*
+  sign an outgoing packet
+*/
+void smbsrv_sign_packet(struct smbsrv_request *req)
+{
+#if 0
+	/* enable this when packet signing is preventing you working out why valgrind 
+	   says that data is uninitialised */
+	file_save("pkt.dat", req->out.buffer, req->out.size);
+#endif
+
+	switch (req->smb_conn->signing.signing_state) {
+	case SMB_SIGNING_ENGINE_OFF:
+		break;
+
+	case SMB_SIGNING_ENGINE_BSRSPYL:
+		/* mark the packet as signed - BEFORE we sign it...*/
+		mark_packet_signed(&req->out);
+		
+		/* I wonder what BSRSPYL stands for - but this is what MS 
+		   actually sends! */
+		memcpy((req->out.hdr + HDR_SS_FIELD), "BSRSPYL ", 8);
+		break;
+
+	case SMB_SIGNING_ENGINE_ON:
+			
+		sign_outgoing_message(&req->out, 
+				      &req->smb_conn->signing.mac_key, 
+				      req->seq_num+1);
+		break;
+	}
+	return;
+}
+
+
+
+/*
+  setup the signing key for a connection. Called after authentication succeeds
+  in a session setup
+*/
+bool smbsrv_setup_signing(struct smbsrv_connection *smb_conn,
+			  DATA_BLOB *session_key,
+			  DATA_BLOB *response)
+{
+	if (!set_smb_signing_common(&smb_conn->signing)) {
+		return false;
+	}
+	return smbcli_simple_set_signing(smb_conn,
+					 &smb_conn->signing, session_key, response);
+}
+
+bool smbsrv_init_signing(struct smbsrv_connection *smb_conn)
+{
+	smb_conn->signing.mac_key = data_blob(NULL, 0);
+	if (!smbcli_set_signing_off(&smb_conn->signing)) {
+		return false;
+	}
+
+	smb_conn->signing.allow_smb_signing
+		= lpcfg_server_signing_allowed(smb_conn->lp_ctx,
+					       &smb_conn->signing.mandatory_signing);
+	return true;
+}
+
+/*
+  allocate a sequence number to a request
+*/
+static void req_signing_alloc_seq_num(struct smbsrv_request *req)
+{
+	req->seq_num = req->smb_conn->signing.next_seq_num;
+
+	if (req->smb_conn->signing.signing_state != SMB_SIGNING_ENGINE_OFF) {
+		req->smb_conn->signing.next_seq_num += 2;
+	}
+}
+
+/*
+  called for requests that do not produce a reply of their own
+*/
+void smbsrv_signing_no_reply(struct smbsrv_request *req)
+{
+	if (req->smb_conn->signing.signing_state != SMB_SIGNING_ENGINE_OFF) {
+		req->smb_conn->signing.next_seq_num--;
+	}
+}
+
+/***********************************************************
+ SMB signing - Simple implementation - check a MAC sent by client
+************************************************************/
+/**
+ * Check a packet supplied by the server.
+ * @return false if we had an established signing connection
+ *         which had a back checksum, true otherwise
+ */
+bool smbsrv_signing_check_incoming(struct smbsrv_request *req)
+{
+	bool good;
+
+	req_signing_alloc_seq_num(req);
+
+	switch (req->smb_conn->signing.signing_state) 
+	{
+	case SMB_SIGNING_ENGINE_OFF:
+		return true;
+	case SMB_SIGNING_ENGINE_BSRSPYL:
+	case SMB_SIGNING_ENGINE_ON:
+	{			
+		if (req->in.size < (HDR_SS_FIELD + 8)) {
+			return false;
+		} else {
+			good = check_signed_incoming_message(&req->in, 
+							     &req->smb_conn->signing.mac_key, 
+							     req->seq_num);
+			
+			return signing_good(&req->smb_conn->signing, 
+					    req->seq_num+1, good);
+		}
+	}
+	}
+	return false;
+}
diff --git a/source4/smb_server/smb/srvtime.c b/source4/smb_server/smb/srvtime.c
new file mode 100644
index 0000000..7aee907
--- /dev/null
+++ b/source4/smb_server/smb/srvtime.c
@@ -0,0 +1,82 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   server side time handling
+
+   Copyright (C) Andrew Tridgell 2004
+
+   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 "smb_server/smb_server.h"
+
+
+/*******************************************************************
+put a dos date into a buffer (time/date format)
+This takes GMT time and puts local time for zone_offset in the buffer
+********************************************************************/
+void srv_push_dos_date(struct smbsrv_connection *smb_server,
+		      uint8_t *buf, int offset, time_t unixdate)
+{
+	push_dos_date(buf, offset, unixdate, smb_server->negotiate.zone_offset);
+}
+
+/*******************************************************************
+put a dos date into a buffer (date/time format)
+This takes GMT time and puts local time in the buffer
+********************************************************************/
+void srv_push_dos_date2(struct smbsrv_connection *smb_server,
+		       uint8_t *buf, int offset, time_t unixdate)
+{
+	push_dos_date2(buf, offset, unixdate, smb_server->negotiate.zone_offset);
+}
+
+/*******************************************************************
+put a dos 32 bit "unix like" date into a buffer. This routine takes
+GMT and converts it to LOCAL time in zone_offset before putting it
+********************************************************************/
+void srv_push_dos_date3(struct smbsrv_connection *smb_server,
+		       uint8_t *buf, int offset, time_t unixdate)
+{
+	push_dos_date3(buf, offset, unixdate, smb_server->negotiate.zone_offset);
+}
+
+/*******************************************************************
+convert a dos date
+********************************************************************/
+time_t srv_pull_dos_date(struct smbsrv_connection *smb_server, 
+			 const uint8_t *date_ptr)
+{
+	return pull_dos_date(date_ptr, smb_server->negotiate.zone_offset);
+}
+
+/*******************************************************************
+like srv_pull_dos_date() but the words are reversed
+********************************************************************/
+time_t srv_pull_dos_date2(struct smbsrv_connection *smb_server, 
+			  const uint8_t *date_ptr)
+{
+	return pull_dos_date2(date_ptr, smb_server->negotiate.zone_offset);
+}
+
+/*******************************************************************
+  create a unix GMT date from a dos date in 32 bit "unix like" format
+  these arrive in server zone, with corresponding DST
+  ******************************************************************/
+time_t srv_pull_dos_date3(struct smbsrv_connection *smb_server,
+			  const uint8_t *date_ptr)
+{
+	return pull_dos_date3(date_ptr, smb_server->negotiate.zone_offset);
+}
diff --git a/source4/smb_server/smb/trans2.c b/source4/smb_server/smb/trans2.c
new file mode 100644
index 0000000..fc357ed
--- /dev/null
+++ b/source4/smb_server/smb/trans2.c
@@ -0,0 +1,1562 @@
+/* 
+   Unix SMB/CIFS implementation.
+   transaction2 handling
+   Copyright (C) Andrew Tridgell 2003
+   Copyright Matthieu Patou <mat@matws.net> 2010-2011
+
+   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/>.
+*/
+/*
+   This file handles the parsing of transact2 requests
+*/
+
+#include "includes.h"
+#include "samba/service_stream.h"
+#include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "librpc/gen_ndr/dfsblobs.h"
+#include "librpc/gen_ndr/ndr_dfsblobs.h"
+#include "dsdb/samdb/samdb.h"
+#include "auth/session.h"
+#include "param/param.h"
+#include "lib/tsocket/tsocket.h"
+#include "dfs_server/dfs_server_ad.h"
+
+#define MAX_DFS_RESPONSE 56*1024 /* 56 Kb */
+
+#define TRANS2_CHECK_ASYNC_STATUS_SIMPLE do { \
+	if (!NT_STATUS_IS_OK(req->ntvfs->async_states->status)) { \
+		trans2_setup_reply(trans, 0, 0, 0);\
+		return req->ntvfs->async_states->status; \
+	} \
+} while (0)
+#define TRANS2_CHECK_ASYNC_STATUS(ptr, type) do { \
+	TRANS2_CHECK_ASYNC_STATUS_SIMPLE; \
+	ptr = talloc_get_type(op->op_info, type); \
+} while (0)
+#define TRANS2_CHECK(cmd) do { \
+	NTSTATUS _status; \
+	_status = cmd; \
+	NT_STATUS_NOT_OK_RETURN(_status); \
+} while (0)
+
+/*
+  hold the state of a nttrans op while in progress. Needed to allow for async backend
+  functions.
+*/
+struct trans_op {
+	struct smbsrv_request *req;
+	struct smb_trans2 *trans;
+	uint8_t command;
+	NTSTATUS (*send_fn)(struct trans_op *);
+	void *op_info;
+};
+
+#define CHECK_MIN_BLOB_SIZE(blob, size) do { \
+	if ((blob)->length < (size)) { \
+		return NT_STATUS_INFO_LENGTH_MISMATCH; \
+	}} while (0)
+
+/* setup a trans2 reply, given the data and params sizes */
+static NTSTATUS trans2_setup_reply(struct smb_trans2 *trans,
+				   uint16_t param_size, uint16_t data_size,
+				   uint8_t setup_count)
+{
+	trans->out.setup_count = setup_count;
+	if (setup_count > 0) {
+		trans->out.setup = talloc_zero_array(trans, uint16_t, setup_count);
+		NT_STATUS_HAVE_NO_MEMORY(trans->out.setup);
+	}
+	trans->out.params = data_blob_talloc(trans, NULL, param_size);
+	if (param_size > 0) NT_STATUS_HAVE_NO_MEMORY(trans->out.params.data);
+
+	trans->out.data = data_blob_talloc(trans, NULL, data_size);
+	if (data_size > 0) NT_STATUS_HAVE_NO_MEMORY(trans->out.data.data);
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS trans2_push_fsinfo(struct smbsrv_connection *smb_conn,
+				   TALLOC_CTX *mem_ctx,
+				   DATA_BLOB *blob,
+				   union smb_fsinfo *fsinfo,
+				   int default_str_flags)
+{
+	enum smb_fsinfo_level passthru_level;
+
+	switch (fsinfo->generic.level) {
+	case RAW_QFS_ALLOCATION:
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
+
+		SIVAL(blob->data,  0, fsinfo->allocation.out.fs_id);
+		SIVAL(blob->data,  4, fsinfo->allocation.out.sectors_per_unit);
+		SIVAL(blob->data,  8, fsinfo->allocation.out.total_alloc_units);
+		SIVAL(blob->data, 12, fsinfo->allocation.out.avail_alloc_units);
+		SSVAL(blob->data, 16, fsinfo->allocation.out.bytes_per_sector);
+
+		return NT_STATUS_OK;
+
+	case RAW_QFS_VOLUME:
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 5));
+
+		SIVAL(blob->data,       0, fsinfo->volume.out.serial_number);
+		/* w2k3 implements this incorrectly for unicode - it
+		 * leaves the last byte off the string */
+		TRANS2_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
+						       fsinfo->volume.out.volume_name.s,
+						       4, default_str_flags,
+						       STR_LEN8BIT|STR_NOALIGN));
+
+		return NT_STATUS_OK;
+
+	case RAW_QFS_VOLUME_INFO:
+		passthru_level = RAW_QFS_VOLUME_INFORMATION;
+		break;
+
+	case RAW_QFS_SIZE_INFO:
+		passthru_level = RAW_QFS_SIZE_INFORMATION;
+		break;
+
+	case RAW_QFS_DEVICE_INFO:
+		passthru_level = RAW_QFS_DEVICE_INFORMATION;
+		break;
+
+	case RAW_QFS_ATTRIBUTE_INFO:
+		passthru_level = RAW_QFS_ATTRIBUTE_INFORMATION;
+		break;
+
+	default:
+		passthru_level = fsinfo->generic.level;
+		break;
+	}
+
+	return smbsrv_push_passthru_fsinfo(mem_ctx, blob,
+					   passthru_level, fsinfo,
+					   default_str_flags);
+}
+
+/*
+  trans2 qfsinfo implementation send
+*/
+static NTSTATUS trans2_qfsinfo_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+	union smb_fsinfo *fsinfo;
+
+	TRANS2_CHECK_ASYNC_STATUS(fsinfo, union smb_fsinfo);
+
+	TRANS2_CHECK(trans2_setup_reply(trans, 0, 0, 0));
+
+	TRANS2_CHECK(trans2_push_fsinfo(req->smb_conn, trans,
+					&trans->out.data, fsinfo,
+					SMBSRV_REQ_DEFAULT_STR_FLAGS(req)));
+
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 qfsinfo implementation
+*/
+static NTSTATUS trans2_qfsinfo(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_fsinfo *fsinfo;
+	uint16_t level;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length != 2) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	fsinfo = talloc(op, union smb_fsinfo);
+	NT_STATUS_HAVE_NO_MEMORY(fsinfo);
+
+	level = SVAL(trans->in.params.data, 0);
+
+	/* work out the backend level - we make it 1-1 in the header */
+	fsinfo->generic.level = (enum smb_fsinfo_level)level;
+	if (fsinfo->generic.level >= RAW_QFS_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	op->op_info = fsinfo;
+	op->send_fn = trans2_qfsinfo_send;
+
+	return ntvfs_fsinfo(req->ntvfs, fsinfo);
+}
+
+
+/*
+  trans2 open implementation send
+*/
+static NTSTATUS trans2_open_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+	union smb_open *io;
+
+	TRANS2_CHECK_ASYNC_STATUS(io, union smb_open);
+
+	TRANS2_CHECK(trans2_setup_reply(trans, 30, 0, 0));
+
+	smbsrv_push_fnum(trans->out.params.data, VWV(0), io->t2open.out.file.ntvfs);
+	SSVAL(trans->out.params.data, VWV(1), io->t2open.out.attrib);
+	srv_push_dos_date3(req->smb_conn, trans->out.params.data,
+			   VWV(2), io->t2open.out.write_time);
+	SIVAL(trans->out.params.data, VWV(4), io->t2open.out.size);
+	SSVAL(trans->out.params.data, VWV(6), io->t2open.out.access);
+	SSVAL(trans->out.params.data, VWV(7), io->t2open.out.ftype);
+	SSVAL(trans->out.params.data, VWV(8), io->t2open.out.devstate);
+	SSVAL(trans->out.params.data, VWV(9), io->t2open.out.action);
+	SIVAL(trans->out.params.data, VWV(10), 0); /* reserved */
+	SSVAL(trans->out.params.data, VWV(12), 0); /* EaErrorOffset */
+	SIVAL(trans->out.params.data, VWV(13), 0); /* EaLength */
+
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 open implementation
+*/
+static NTSTATUS trans2_open(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_open *io;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 29) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	io = talloc(op, union smb_open);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->t2open.level           = RAW_OPEN_T2OPEN;
+	io->t2open.in.flags        = SVAL(trans->in.params.data, VWV(0));
+	io->t2open.in.open_mode    = SVAL(trans->in.params.data, VWV(1));
+	io->t2open.in.search_attrs = SVAL(trans->in.params.data, VWV(2));
+	io->t2open.in.file_attrs   = SVAL(trans->in.params.data, VWV(3));
+	io->t2open.in.write_time   = srv_pull_dos_date(req->smb_conn,
+						    trans->in.params.data + VWV(4));
+	io->t2open.in.open_func    = SVAL(trans->in.params.data, VWV(6));
+	io->t2open.in.size         = IVAL(trans->in.params.data, VWV(7));
+	io->t2open.in.timeout      = IVAL(trans->in.params.data, VWV(9));
+	io->t2open.in.num_eas      = 0;
+	io->t2open.in.eas          = NULL;
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 28, &io->t2open.in.fname, 0);
+	if (io->t2open.in.fname == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	TRANS2_CHECK(ea_pull_list(&trans->in.data, io, &io->t2open.in.num_eas, &io->t2open.in.eas));
+
+	op->op_info = io;
+	op->send_fn = trans2_open_send;
+
+	return ntvfs_open(req->ntvfs, io);
+}
+
+
+/*
+  trans2 simple send
+*/
+static NTSTATUS trans2_simple_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+
+	TRANS2_CHECK_ASYNC_STATUS_SIMPLE;
+
+	TRANS2_CHECK(trans2_setup_reply(trans, 2, 0, 0));
+
+	SSVAL(trans->out.params.data, VWV(0), 0);
+
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 mkdir implementation
+*/
+static NTSTATUS trans2_mkdir(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_mkdir *io;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 5) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	io = talloc(op, union smb_mkdir);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	io->t2mkdir.level = RAW_MKDIR_T2MKDIR;
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 4, &io->t2mkdir.in.path, 0);
+	if (io->t2mkdir.in.path == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	TRANS2_CHECK(ea_pull_list(&trans->in.data, io,
+				  &io->t2mkdir.in.num_eas,
+				  &io->t2mkdir.in.eas));
+
+	op->op_info = io;
+	op->send_fn = trans2_simple_send;
+
+	return ntvfs_mkdir(req->ntvfs, io);
+}
+
+static NTSTATUS trans2_push_fileinfo(struct smbsrv_connection *smb_conn,
+				     TALLOC_CTX *mem_ctx,
+				     DATA_BLOB *blob,
+				     union smb_fileinfo *st,
+				     int default_str_flags)
+{
+	uint32_t list_size;
+	enum smb_fileinfo_level passthru_level;
+
+	switch (st->generic.level) {
+	case RAW_FILEINFO_GENERIC:
+	case RAW_FILEINFO_GETATTR:
+	case RAW_FILEINFO_GETATTRE:
+	case RAW_FILEINFO_SEC_DESC:
+	case RAW_FILEINFO_SMB2_ALL_EAS:
+	case RAW_FILEINFO_SMB2_ALL_INFORMATION:
+		/* handled elsewhere */
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_FILEINFO_UNIX_BASIC:
+	case RAW_FILEINFO_UNIX_LINK:
+		/* not implemented yet */
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_FILEINFO_STANDARD:
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 22));
+
+		srv_push_dos_date2(smb_conn, blob->data, 0, st->standard.out.create_time);
+		srv_push_dos_date2(smb_conn, blob->data, 4, st->standard.out.access_time);
+		srv_push_dos_date2(smb_conn, blob->data, 8, st->standard.out.write_time);
+		SIVAL(blob->data,        12, st->standard.out.size);
+		SIVAL(blob->data,        16, st->standard.out.alloc_size);
+		SSVAL(blob->data,        20, st->standard.out.attrib);
+		return NT_STATUS_OK;
+
+	case RAW_FILEINFO_EA_SIZE:
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 26));
+
+		srv_push_dos_date2(smb_conn, blob->data, 0, st->ea_size.out.create_time);
+		srv_push_dos_date2(smb_conn, blob->data, 4, st->ea_size.out.access_time);
+		srv_push_dos_date2(smb_conn, blob->data, 8, st->ea_size.out.write_time);
+		SIVAL(blob->data,        12, st->ea_size.out.size);
+		SIVAL(blob->data,        16, st->ea_size.out.alloc_size);
+		SSVAL(blob->data,        20, st->ea_size.out.attrib);
+		SIVAL(blob->data,        22, st->ea_size.out.ea_size);
+		return NT_STATUS_OK;
+
+	case RAW_FILEINFO_EA_LIST:
+		list_size = ea_list_size(st->ea_list.out.num_eas,
+					 st->ea_list.out.eas);
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
+
+		ea_put_list(blob->data,
+			    st->ea_list.out.num_eas, st->ea_list.out.eas);
+		return NT_STATUS_OK;
+
+	case RAW_FILEINFO_ALL_EAS:
+		list_size = ea_list_size(st->all_eas.out.num_eas,
+						  st->all_eas.out.eas);
+		TRANS2_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
+
+		ea_put_list(blob->data,
+			    st->all_eas.out.num_eas, st->all_eas.out.eas);
+		return NT_STATUS_OK;
+
+	case RAW_FILEINFO_IS_NAME_VALID:
+		return NT_STATUS_OK;
+
+	case RAW_FILEINFO_BASIC_INFO:
+		passthru_level = RAW_FILEINFO_BASIC_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_STANDARD_INFO:
+		passthru_level = RAW_FILEINFO_STANDARD_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_EA_INFO:
+		passthru_level = RAW_FILEINFO_EA_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_COMPRESSION_INFO:
+		passthru_level = RAW_FILEINFO_COMPRESSION_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_ALL_INFO:
+		passthru_level = RAW_FILEINFO_ALL_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_NAME_INFO:
+		passthru_level = RAW_FILEINFO_NAME_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_ALT_NAME_INFO:
+		passthru_level = RAW_FILEINFO_ALT_NAME_INFORMATION;
+		break;
+
+	case RAW_FILEINFO_STREAM_INFO:
+		passthru_level = RAW_FILEINFO_STREAM_INFORMATION;
+		break;
+
+	default:
+		passthru_level = st->generic.level;
+		break;
+	}
+
+	return smbsrv_push_passthru_fileinfo(mem_ctx, blob,
+					     passthru_level, st,
+					     default_str_flags);
+}
+
+/*
+  fill in the reply from a qpathinfo or qfileinfo call
+*/
+static NTSTATUS trans2_fileinfo_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+	union smb_fileinfo *st;
+
+	TRANS2_CHECK_ASYNC_STATUS(st, union smb_fileinfo);
+
+	TRANS2_CHECK(trans2_setup_reply(trans, 2, 0, 0));
+	SSVAL(trans->out.params.data, 0, 0);
+
+	TRANS2_CHECK(trans2_push_fileinfo(req->smb_conn, trans,
+					  &trans->out.data, st,
+					  SMBSRV_REQ_DEFAULT_STR_FLAGS(req)));
+
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 qpathinfo implementation
+*/
+static NTSTATUS trans2_qpathinfo(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_fileinfo *st;
+	uint16_t level;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 2) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	st = talloc(op, union smb_fileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(st);
+
+	level = SVAL(trans->in.params.data, 0);
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 6, &st->generic.in.file.path, 0);
+	if (st->generic.in.file.path == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	/* work out the backend level - we make it 1-1 in the header */
+	st->generic.level = (enum smb_fileinfo_level)level;
+	if (st->generic.level >= RAW_FILEINFO_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (st->generic.level == RAW_FILEINFO_EA_LIST) {
+		TRANS2_CHECK(ea_pull_name_list(&trans->in.data, req,
+					       &st->ea_list.in.num_names,
+					       &st->ea_list.in.ea_names));
+	}
+
+	op->op_info = st;
+	op->send_fn = trans2_fileinfo_send;
+
+	return ntvfs_qpathinfo(req->ntvfs, st);
+}
+
+
+/*
+  trans2 qpathinfo implementation
+*/
+static NTSTATUS trans2_qfileinfo(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_fileinfo *st;
+	uint16_t level;
+	struct ntvfs_handle *h;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 4) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	st = talloc(op, union smb_fileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(st);
+
+	h     = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+	level = SVAL(trans->in.params.data, 2);
+
+	st->generic.in.file.ntvfs = h;
+	/* work out the backend level - we make it 1-1 in the header */
+	st->generic.level = (enum smb_fileinfo_level)level;
+	if (st->generic.level >= RAW_FILEINFO_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (st->generic.level == RAW_FILEINFO_EA_LIST) {
+		TRANS2_CHECK(ea_pull_name_list(&trans->in.data, req,
+					       &st->ea_list.in.num_names,
+					       &st->ea_list.in.ea_names));
+	}
+
+	op->op_info = st;
+	op->send_fn = trans2_fileinfo_send;
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(st->generic.in.file.ntvfs);
+	return ntvfs_qfileinfo(req->ntvfs, st);
+}
+
+
+/*
+  parse a trans2 setfileinfo/setpathinfo data blob
+*/
+static NTSTATUS trans2_parse_sfileinfo(struct smbsrv_request *req,
+				       union smb_setfileinfo *st,
+				       const DATA_BLOB *blob)
+{
+	enum smb_setfileinfo_level passthru_level;
+
+	switch (st->generic.level) {
+	case RAW_SFILEINFO_GENERIC:
+	case RAW_SFILEINFO_SETATTR:
+	case RAW_SFILEINFO_SETATTRE:
+	case RAW_SFILEINFO_SEC_DESC:
+		/* handled elsewhere */
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_SFILEINFO_STANDARD:
+		CHECK_MIN_BLOB_SIZE(blob, 12);
+
+		st->standard.in.create_time = srv_pull_dos_date2(req->smb_conn, blob->data + 0);
+		st->standard.in.access_time = srv_pull_dos_date2(req->smb_conn, blob->data + 4);
+		st->standard.in.write_time  = srv_pull_dos_date2(req->smb_conn, blob->data + 8);
+
+		return NT_STATUS_OK;
+
+	case RAW_SFILEINFO_EA_SET:
+		return ea_pull_list(blob, req,
+				    &st->ea_set.in.num_eas,
+				    &st->ea_set.in.eas);
+
+	case SMB_SFILEINFO_BASIC_INFO:
+	case SMB_SFILEINFO_BASIC_INFORMATION:
+		passthru_level = SMB_SFILEINFO_BASIC_INFORMATION;
+		break;
+
+	case SMB_SFILEINFO_DISPOSITION_INFO:
+	case SMB_SFILEINFO_DISPOSITION_INFORMATION:
+		passthru_level = SMB_SFILEINFO_DISPOSITION_INFORMATION;
+		break;
+
+	case SMB_SFILEINFO_ALLOCATION_INFO:
+	case SMB_SFILEINFO_ALLOCATION_INFORMATION:
+		passthru_level = SMB_SFILEINFO_ALLOCATION_INFORMATION;
+		break;
+
+	case RAW_SFILEINFO_END_OF_FILE_INFO:
+	case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
+		passthru_level = RAW_SFILEINFO_END_OF_FILE_INFORMATION;
+		break;
+
+	case RAW_SFILEINFO_RENAME_INFORMATION:
+	case RAW_SFILEINFO_POSITION_INFORMATION:
+	case RAW_SFILEINFO_MODE_INFORMATION:
+		passthru_level = st->generic.level;
+		break;
+
+	case RAW_SFILEINFO_UNIX_BASIC:
+	case RAW_SFILEINFO_UNIX_LINK:
+	case RAW_SFILEINFO_UNIX_HLINK:
+	case RAW_SFILEINFO_PIPE_INFORMATION:
+	case RAW_SFILEINFO_VALID_DATA_INFORMATION:
+	case RAW_SFILEINFO_SHORT_NAME_INFORMATION:
+	case RAW_SFILEINFO_1025:
+	case RAW_SFILEINFO_1027:
+	case RAW_SFILEINFO_1029:
+	case RAW_SFILEINFO_1030:
+	case RAW_SFILEINFO_1031:
+	case RAW_SFILEINFO_1032:
+	case RAW_SFILEINFO_1036:
+	case RAW_SFILEINFO_1041:
+	case RAW_SFILEINFO_1042:
+	case RAW_SFILEINFO_1043:
+	case RAW_SFILEINFO_1044:
+		return NT_STATUS_INVALID_LEVEL;
+
+	default:
+		/* we need a default here to cope with invalid values on the wire */
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	return smbsrv_pull_passthru_sfileinfo(st, passthru_level, st,
+					      blob, SMBSRV_REQ_DEFAULT_STR_FLAGS(req),
+					      &req->in.bufinfo);
+}
+
+/*
+  trans2 setfileinfo implementation
+*/
+static NTSTATUS trans2_setfileinfo(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_setfileinfo *st;
+	uint16_t level;
+	struct ntvfs_handle *h;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 4) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	st = talloc(op, union smb_setfileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(st);
+
+	h     = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+	level = SVAL(trans->in.params.data, 2);
+
+	st->generic.in.file.ntvfs = h;
+	/* work out the backend level - we make it 1-1 in the header */
+	st->generic.level = (enum smb_setfileinfo_level)level;
+	if (st->generic.level >= RAW_SFILEINFO_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	TRANS2_CHECK(trans2_parse_sfileinfo(req, st, &trans->in.data));
+
+	op->op_info = st;
+	op->send_fn = trans2_simple_send;
+
+	SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(st->generic.in.file.ntvfs);
+	return ntvfs_setfileinfo(req->ntvfs, st);
+}
+
+/*
+  trans2 setpathinfo implementation
+*/
+static NTSTATUS trans2_setpathinfo(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_setfileinfo *st;
+	uint16_t level;
+
+	/* make sure we got enough parameters */
+	if (trans->in.params.length < 4) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	st = talloc(op, union smb_setfileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(st);
+
+	level = SVAL(trans->in.params.data, 0);
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 6, &st->generic.in.file.path, 0);
+	if (st->generic.in.file.path == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	/* work out the backend level - we make it 1-1 in the header */
+	st->generic.level = (enum smb_setfileinfo_level)level;
+	if (st->generic.level >= RAW_SFILEINFO_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	TRANS2_CHECK(trans2_parse_sfileinfo(req, st, &trans->in.data));
+
+	op->op_info = st;
+	op->send_fn = trans2_simple_send;
+
+	return ntvfs_setpathinfo(req->ntvfs, st);
+}
+
+
+/* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
+struct find_state {
+	struct trans_op *op;
+	void *search;
+	enum smb_search_data_level data_level;
+	uint16_t last_entry_offset;
+	uint16_t flags;
+};
+
+/*
+  fill a single entry in a trans2 find reply
+*/
+static NTSTATUS find_fill_info(struct find_state *state,
+			       const union smb_search_data *file)
+{
+	struct smbsrv_request *req = state->op->req;
+	struct smb_trans2 *trans = state->op->trans;
+	uint8_t *data;
+	unsigned int ofs = trans->out.data.length;
+	uint32_t ea_size;
+
+	switch (state->data_level) {
+	case RAW_SEARCH_DATA_GENERIC:
+	case RAW_SEARCH_DATA_SEARCH:
+		/* handled elsewhere */
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_SEARCH_DATA_STANDARD:
+		if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 27));
+			SIVAL(trans->out.data.data, ofs, file->standard.resume_key);
+			ofs += 4;
+		} else {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 23));
+		}
+		data = trans->out.data.data + ofs;
+		srv_push_dos_date2(req->smb_conn, data, 0, file->standard.create_time);
+		srv_push_dos_date2(req->smb_conn, data, 4, file->standard.access_time);
+		srv_push_dos_date2(req->smb_conn, data, 8, file->standard.write_time);
+		SIVAL(data, 12, file->standard.size);
+		SIVAL(data, 16, file->standard.alloc_size);
+		SSVAL(data, 20, file->standard.attrib);
+		TRANS2_CHECK(smbsrv_blob_append_string(trans, &trans->out.data, file->standard.name.s,
+						       ofs + 22, SMBSRV_REQ_DEFAULT_STR_FLAGS(req),
+						       STR_LEN8BIT | STR_TERMINATE | STR_LEN_NOTERM));
+		break;
+
+	case RAW_SEARCH_DATA_EA_SIZE:
+		if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 31));
+			SIVAL(trans->out.data.data, ofs, file->ea_size.resume_key);
+			ofs += 4;
+		} else {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 27));
+		}
+		data = trans->out.data.data + ofs;
+		srv_push_dos_date2(req->smb_conn, data, 0, file->ea_size.create_time);
+		srv_push_dos_date2(req->smb_conn, data, 4, file->ea_size.access_time);
+		srv_push_dos_date2(req->smb_conn, data, 8, file->ea_size.write_time);
+		SIVAL(data, 12, file->ea_size.size);
+		SIVAL(data, 16, file->ea_size.alloc_size);
+		SSVAL(data, 20, file->ea_size.attrib);
+		SIVAL(data, 22, file->ea_size.ea_size);
+		TRANS2_CHECK(smbsrv_blob_append_string(trans, &trans->out.data, file->ea_size.name.s,
+						       ofs + 26, SMBSRV_REQ_DEFAULT_STR_FLAGS(req),
+						       STR_LEN8BIT | STR_NOALIGN));
+		TRANS2_CHECK(smbsrv_blob_fill_data(trans, &trans->out.data, trans->out.data.length + 1));
+		break;
+
+	case RAW_SEARCH_DATA_EA_LIST:
+		ea_size = ea_list_size(file->ea_list.eas.num_eas, file->ea_list.eas.eas);
+		if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 27 + ea_size));
+			SIVAL(trans->out.data.data, ofs, file->ea_list.resume_key);
+			ofs += 4;
+		} else {
+			TRANS2_CHECK(smbsrv_blob_grow_data(trans, &trans->out.data, ofs + 23 + ea_size));
+		}
+		data = trans->out.data.data + ofs;
+		srv_push_dos_date2(req->smb_conn, data, 0, file->ea_list.create_time);
+		srv_push_dos_date2(req->smb_conn, data, 4, file->ea_list.access_time);
+		srv_push_dos_date2(req->smb_conn, data, 8, file->ea_list.write_time);
+		SIVAL(data, 12, file->ea_list.size);
+		SIVAL(data, 16, file->ea_list.alloc_size);
+		SSVAL(data, 20, file->ea_list.attrib);
+		ea_put_list(data+22, file->ea_list.eas.num_eas, file->ea_list.eas.eas);
+		TRANS2_CHECK(smbsrv_blob_append_string(trans, &trans->out.data, file->ea_list.name.s,
+						       ofs + 22 + ea_size, SMBSRV_REQ_DEFAULT_STR_FLAGS(req),
+						       STR_LEN8BIT | STR_NOALIGN));
+		TRANS2_CHECK(smbsrv_blob_fill_data(trans, &trans->out.data, trans->out.data.length + 1));
+		break;
+
+	case RAW_SEARCH_DATA_DIRECTORY_INFO:
+	case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
+	case RAW_SEARCH_DATA_NAME_INFO:
+	case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
+	case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
+	case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
+		return smbsrv_push_passthru_search(trans, &trans->out.data, state->data_level, file,
+						   SMBSRV_REQ_DEFAULT_STR_FLAGS(req));
+
+	case RAW_SEARCH_DATA_UNIX_INFO:
+	case RAW_SEARCH_DATA_UNIX_INFO2:
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* callback function for trans2 findfirst/findnext */
+static bool find_callback(void *private_data, const union smb_search_data *file)
+{
+	struct find_state *state = talloc_get_type(private_data, struct find_state);
+	struct smb_trans2 *trans = state->op->trans;
+	unsigned int old_length;
+
+	old_length = trans->out.data.length;
+
+	if (!NT_STATUS_IS_OK(find_fill_info(state, file)) ||
+	    trans->out.data.length > trans->in.max_data) {
+		/* restore the old length and tell the backend to stop */
+		smbsrv_blob_grow_data(trans, &trans->out.data, old_length);
+		return false;
+	}
+
+	state->last_entry_offset = old_length;	
+	return true;
+}
+
+/*
+  trans2 findfirst send
+ */
+static NTSTATUS trans2_findfirst_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+	union smb_search_first *search;
+	struct find_state *state;
+	uint8_t *param;
+
+	TRANS2_CHECK_ASYNC_STATUS(state, struct find_state);
+	search = talloc_get_type(state->search, union smb_search_first);
+
+	/* fill in the findfirst reply header */
+	param = trans->out.params.data;
+	SSVAL(param, VWV(0), search->t2ffirst.out.handle);
+	SSVAL(param, VWV(1), search->t2ffirst.out.count);
+	SSVAL(param, VWV(2), search->t2ffirst.out.end_of_search);
+	SSVAL(param, VWV(3), 0);
+	SSVAL(param, VWV(4), state->last_entry_offset);
+
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 getdfsreferral implementation
+*/
+static NTSTATUS trans2_getdfsreferral(struct smbsrv_request *req,
+				      struct trans_op *op)
+{
+	enum ndr_err_code ndr_err;
+	struct smb_trans2 *trans = op->trans;
+	struct ldb_context *ldb;
+	struct loadparm_context *lp_ctx;
+	NTSTATUS status;
+	struct dfs_GetDFSReferral *r;
+	DATA_BLOB outblob = data_blob_null;
+	uint16_t nb_referrals = 0;
+
+	lp_ctx = req->tcon->ntvfs->lp_ctx;
+	if (!lpcfg_host_msdfs(lp_ctx)) {
+		return NT_STATUS_NOT_IMPLEMENTED;
+	}
+
+	r = talloc_zero(req, struct dfs_GetDFSReferral);
+	NT_STATUS_HAVE_NO_MEMORY(r);
+
+	ldb = samdb_connect(r,
+			    req->tcon->ntvfs->event_ctx,
+			    lp_ctx,
+			    system_session(lp_ctx),
+			    NULL,
+			    0);
+	if (ldb == NULL) {
+		DEBUG(2,(__location__ ": Failed to open samdb\n"));
+		talloc_free(r);
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	ndr_err = ndr_pull_struct_blob(&trans->in.params, r,
+				       &r->in.req,
+				       (ndr_pull_flags_fn_t)ndr_pull_dfs_GetDFSReferral_in);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		status = ndr_map_error2ntstatus(ndr_err);
+		DEBUG(2,(__location__ ": Failed to parse GetDFSReferral_in - %s\n",
+			 nt_errstr(status)));
+		talloc_free(r);
+		return status;
+	}
+
+	DEBUG(8, ("Requested DFS name: %s length: %u\n",
+		   r->in.req.servername,
+		   (unsigned int)strlen_m(r->in.req.servername)*2));
+
+	status = dfs_server_ad_get_referrals(lp_ctx, ldb,
+				req->smb_conn->connection->remote_address, r);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(r);
+		return status;
+	}
+
+	ndr_err = ndr_push_struct_blob(&outblob, trans,
+				r->out.resp,
+				(ndr_push_flags_fn_t)ndr_push_dfs_referral_resp);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		DEBUG(2,(__location__ ":NDR marchalling of domain deferral response failed\n"));
+		talloc_free(r);
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	nb_referrals = r->out.resp->nb_referrals;
+
+	if (outblob.length > trans->in.max_data) {
+		bool ok = false;
+
+		DEBUG(3, ("Blob is too big for the output buffer "
+			  "size %u max %u\n",
+			  (unsigned int)outblob.length, trans->in.max_data));
+
+		if (trans->in.max_data != MAX_DFS_RESPONSE) {
+			/* As specified in MS-DFSC.pdf 3.3.5.2 */
+			talloc_free(r);
+			return STATUS_BUFFER_OVERFLOW;
+		}
+
+		/*
+		 * The answer is too big, so let's remove some answers
+		 */
+		while (!ok && r->out.resp->nb_referrals > 2) {
+			data_blob_free(&outblob);
+
+			/*
+			 * Let's scrap the last referral (for now)
+			 */
+			r->out.resp->nb_referrals -= 1;
+
+			ndr_err = ndr_push_struct_blob(&outblob, trans,
+				r->out.resp,
+				(ndr_push_flags_fn_t)ndr_push_dfs_referral_resp);
+			if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+				talloc_free(r);
+				return NT_STATUS_INTERNAL_ERROR;
+			}
+
+			if (outblob.length <= MAX_DFS_RESPONSE) {
+				DEBUG(10,("DFS: managed to reduce the size of referral initial"
+					  "number of referral %d, actual count: %d",
+					  nb_referrals, r->out.resp->nb_referrals));
+				ok = true;
+				break;
+			}
+		}
+
+		if (!ok && r->out.resp->nb_referrals <= 2) {
+			DEBUG(8, (__location__ "; Not able to fit the domain and realm in DFS a "
+				  " 56K buffer, something must be broken"));
+			talloc_free(r);
+			return NT_STATUS_INTERNAL_ERROR;
+		}
+	}
+
+	TRANS2_CHECK(trans2_setup_reply(trans, 0, outblob.length, 0));
+
+	trans->out.data = outblob;
+	talloc_free(r);
+	return NT_STATUS_OK;
+}
+
+/*
+  trans2 findfirst implementation
+*/
+static NTSTATUS trans2_findfirst(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_search_first *search;
+	uint16_t level;
+	struct find_state *state;
+
+	/* make sure we got all the parameters */
+	if (trans->in.params.length < 14) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	search = talloc(op, union smb_search_first);
+	NT_STATUS_HAVE_NO_MEMORY(search);
+
+	search->t2ffirst.in.search_attrib = SVAL(trans->in.params.data, 0);
+	search->t2ffirst.in.max_count     = SVAL(trans->in.params.data, 2);
+	search->t2ffirst.in.flags         = SVAL(trans->in.params.data, 4);
+	level                             = SVAL(trans->in.params.data, 6);
+	search->t2ffirst.in.storage_type  = IVAL(trans->in.params.data, 8);
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 12, &search->t2ffirst.in.pattern, 0);
+	if (search->t2ffirst.in.pattern == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	search->t2ffirst.level = RAW_SEARCH_TRANS2;
+	search->t2ffirst.data_level = (enum smb_search_data_level)level;
+	if (search->t2ffirst.data_level >= RAW_SEARCH_DATA_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (search->t2ffirst.data_level == RAW_SEARCH_DATA_EA_LIST) {
+		TRANS2_CHECK(ea_pull_name_list(&trans->in.data, req,
+					       &search->t2ffirst.in.num_names,
+					       &search->t2ffirst.in.ea_names));
+	}
+
+	/* setup the private state structure that the backend will
+	   give us in the callback */
+	state = talloc(op, struct find_state);
+	NT_STATUS_HAVE_NO_MEMORY(state);
+	state->op		= op;
+	state->search		= search;
+	state->data_level	= search->t2ffirst.data_level;
+	state->last_entry_offset= 0;
+	state->flags		= search->t2ffirst.in.flags;
+
+	/* setup for just a header in the reply */
+	TRANS2_CHECK(trans2_setup_reply(trans, 10, 0, 0));
+
+	op->op_info = state;
+	op->send_fn = trans2_findfirst_send;
+
+	return ntvfs_search_first(req->ntvfs, search, state, find_callback);
+}
+
+
+/*
+  trans2 findnext send
+*/
+static NTSTATUS trans2_findnext_send(struct trans_op *op)
+{
+	struct smbsrv_request *req = op->req;
+	struct smb_trans2 *trans = op->trans;
+	union smb_search_next *search;
+	struct find_state *state;
+	uint8_t *param;
+
+	TRANS2_CHECK_ASYNC_STATUS(state, struct find_state);
+	search = talloc_get_type(state->search, union smb_search_next);
+
+	/* fill in the findfirst reply header */
+	param = trans->out.params.data;
+	SSVAL(param, VWV(0), search->t2fnext.out.count);
+	SSVAL(param, VWV(1), search->t2fnext.out.end_of_search);
+	SSVAL(param, VWV(2), 0);
+	SSVAL(param, VWV(3), state->last_entry_offset);
+	
+	return NT_STATUS_OK;
+}
+
+
+/*
+  trans2 findnext implementation
+*/
+static NTSTATUS trans2_findnext(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	union smb_search_next *search;
+	uint16_t level;
+	struct find_state *state;
+
+	/* make sure we got all the parameters */
+	if (trans->in.params.length < 12) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	search = talloc(op, union smb_search_next);
+	NT_STATUS_HAVE_NO_MEMORY(search);
+
+	search->t2fnext.in.handle        = SVAL(trans->in.params.data, 0);
+	search->t2fnext.in.max_count     = SVAL(trans->in.params.data, 2);
+	level                            = SVAL(trans->in.params.data, 4);
+	search->t2fnext.in.resume_key    = IVAL(trans->in.params.data, 6);
+	search->t2fnext.in.flags         = SVAL(trans->in.params.data, 10);
+
+	smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 12, &search->t2fnext.in.last_name, 0);
+	if (search->t2fnext.in.last_name == NULL) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	search->t2fnext.level = RAW_SEARCH_TRANS2;
+	search->t2fnext.data_level = (enum smb_search_data_level)level;
+	if (search->t2fnext.data_level >= RAW_SEARCH_DATA_GENERIC) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (search->t2fnext.data_level == RAW_SEARCH_DATA_EA_LIST) {
+		TRANS2_CHECK(ea_pull_name_list(&trans->in.data, req,
+					       &search->t2fnext.in.num_names,
+					       &search->t2fnext.in.ea_names));
+	}
+
+	/* setup the private state structure that the backend will give us in the callback */
+	state = talloc(op, struct find_state);
+	NT_STATUS_HAVE_NO_MEMORY(state);
+	state->op		= op;
+	state->search		= search;
+	state->data_level	= search->t2fnext.data_level;
+	state->last_entry_offset= 0;
+	state->flags		= search->t2fnext.in.flags;
+
+	/* setup for just a header in the reply */
+	TRANS2_CHECK(trans2_setup_reply(trans, 8, 0, 0));
+
+	op->op_info = state;
+	op->send_fn = trans2_findnext_send;
+
+	return ntvfs_search_next(req->ntvfs, search, state, find_callback);
+}
+
+
+/*
+  backend for trans2 requests
+*/
+static NTSTATUS trans2_backend(struct smbsrv_request *req, struct trans_op *op)
+{
+	struct smb_trans2 *trans = op->trans;
+	NTSTATUS status;
+
+	/* direct trans2 pass thru */
+	status = ntvfs_trans2(req->ntvfs, trans);
+	if (!NT_STATUS_EQUAL(NT_STATUS_NOT_IMPLEMENTED, status)) {
+		return status;
+	}
+
+	/* must have at least one setup word */
+	if (trans->in.setup_count < 1) {
+		return NT_STATUS_FOOBAR;
+	}
+
+	/* the trans2 command is in setup[0] */
+	switch (trans->in.setup[0]) {
+	case TRANSACT2_GET_DFS_REFERRAL:
+		return trans2_getdfsreferral(req, op);
+	case TRANSACT2_FINDFIRST:
+		return trans2_findfirst(req, op);
+	case TRANSACT2_FINDNEXT:
+		return trans2_findnext(req, op);
+	case TRANSACT2_QPATHINFO:
+		return trans2_qpathinfo(req, op);
+	case TRANSACT2_QFILEINFO:
+		return trans2_qfileinfo(req, op);
+	case TRANSACT2_SETFILEINFO:
+		return trans2_setfileinfo(req, op);
+	case TRANSACT2_SETPATHINFO:
+		return trans2_setpathinfo(req, op);
+	case TRANSACT2_QFSINFO:
+		return trans2_qfsinfo(req, op);
+	case TRANSACT2_OPEN:
+		return trans2_open(req, op);
+	case TRANSACT2_MKDIR:
+		return trans2_mkdir(req, op);
+	}
+
+	/* an unknown trans2 command */
+	return NT_STATUS_FOOBAR;
+}
+
+int smbsrv_trans_partial_destructor(struct smbsrv_trans_partial *tp)
+{
+	DLIST_REMOVE(tp->req->smb_conn->trans_partial, tp);
+	return 0;
+}
+
+
+/*
+  send a continue request
+*/
+static void reply_trans_continue(struct smbsrv_request *req, uint8_t command,
+				 struct smb_trans2 *trans)
+{
+	struct smbsrv_request *req2;
+	struct smbsrv_trans_partial *tp;
+	int count;
+
+	/* make sure they don't flood us */
+	for (count=0,tp=req->smb_conn->trans_partial;tp;tp=tp->next) count++;
+	if (count > 100) {
+		smbsrv_send_error(req, NT_STATUS_INSUFFICIENT_RESOURCES);
+		return;
+	}
+
+	tp = talloc(req, struct smbsrv_trans_partial);
+
+	tp->req = req;
+	tp->u.trans = trans;
+	tp->command = command;
+
+	DLIST_ADD(req->smb_conn->trans_partial, tp);
+	talloc_set_destructor(tp, smbsrv_trans_partial_destructor);
+
+	req2 = smbsrv_setup_secondary_request(req);
+
+	/* send a 'please continue' reply */
+	smbsrv_setup_reply(req2, 0, 0);
+	smbsrv_send_reply(req2);
+}
+
+
+/*
+  answer a reconstructed trans request
+*/
+static void reply_trans_send(struct ntvfs_request *ntvfs)
+{
+	struct smbsrv_request *req;
+	struct trans_op *op;
+	struct smb_trans2 *trans;
+	uint16_t params_left, data_left;
+	uint8_t *params, *data;
+	int i;
+
+	SMBSRV_CHECK_ASYNC_STATUS_ERR(op, struct trans_op);
+	trans = op->trans;
+
+	/* if this function needs work to form the nttrans reply buffer, then
+	   call that now */
+	if (op->send_fn != NULL) {
+		NTSTATUS status;
+		status = op->send_fn(op);
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_send_error(req, status);
+			return;
+		}
+	}
+
+	params_left = trans->out.params.length;
+	data_left   = trans->out.data.length;
+	params      = trans->out.params.data;
+	data        = trans->out.data.data;
+
+	smbsrv_setup_reply(req, 10 + trans->out.setup_count, 0);
+
+	if (!NT_STATUS_IS_OK(req->ntvfs->async_states->status)) {
+		smbsrv_setup_error(req, req->ntvfs->async_states->status);
+	}
+
+	/* we need to divide up the reply into chunks that fit into
+	   the negotiated buffer size */
+	do {
+		uint16_t this_data, this_param, max_bytes;
+		unsigned int align1 = 1, align2 = (params_left ? 2 : 0);
+		struct smbsrv_request *this_req;
+
+		max_bytes = req_max_data(req) - (align1 + align2);
+
+		this_param = params_left;
+		if (this_param > max_bytes) {
+			this_param = max_bytes;
+		}
+		max_bytes -= this_param;
+
+		this_data = data_left;
+		if (this_data > max_bytes) {
+			this_data = max_bytes;
+		}
+
+		/* don't destroy unless this is the last chunk */
+		if (params_left - this_param != 0 ||
+		    data_left - this_data != 0) {
+			this_req = smbsrv_setup_secondary_request(req);
+		} else {
+			this_req = req;
+		}
+
+		req_grow_data(this_req, this_param + this_data + (align1 + align2));
+
+		SSVAL(this_req->out.vwv, VWV(0), trans->out.params.length);
+		SSVAL(this_req->out.vwv, VWV(1), trans->out.data.length);
+		SSVAL(this_req->out.vwv, VWV(2), 0);
+
+		SSVAL(this_req->out.vwv, VWV(3), this_param);
+		SSVAL(this_req->out.vwv, VWV(4), align1 + PTR_DIFF(this_req->out.data, this_req->out.hdr));
+		SSVAL(this_req->out.vwv, VWV(5), PTR_DIFF(params, trans->out.params.data));
+
+		SSVAL(this_req->out.vwv, VWV(6), this_data);
+		SSVAL(this_req->out.vwv, VWV(7), align1 + align2 +
+		      PTR_DIFF(this_req->out.data + this_param, this_req->out.hdr));
+		SSVAL(this_req->out.vwv, VWV(8), PTR_DIFF(data, trans->out.data.data));
+
+		SCVAL(this_req->out.vwv, VWV(9), trans->out.setup_count);
+		SCVAL(this_req->out.vwv, VWV(9)+1, 0); /* reserved */
+		for (i=0;i<trans->out.setup_count;i++) {
+			SSVAL(this_req->out.vwv, VWV(10+i), trans->out.setup[i]);
+		}
+
+		memset(this_req->out.data, 0, align1);
+		if (this_param != 0) {
+			memcpy(this_req->out.data + align1, params, this_param);
+		}
+		memset(this_req->out.data+this_param+align1, 0, align2);
+		if (this_data != 0) {
+			memcpy(this_req->out.data+this_param+align1+align2, data, this_data);
+		}
+
+		params_left -= this_param;
+		data_left -= this_data;
+		params += this_param;
+		data += this_data;
+
+		smbsrv_send_reply(this_req);
+	} while (params_left != 0 || data_left != 0);
+}
+
+
+/*
+  answer a reconstructed trans request
+*/
+static void reply_trans_complete(struct smbsrv_request *req, uint8_t command,
+				 struct smb_trans2 *trans)
+{
+	struct trans_op *op;
+
+	SMBSRV_TALLOC_IO_PTR(op, struct trans_op);
+	SMBSRV_SETUP_NTVFS_REQUEST(reply_trans_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	op->req		= req;
+	op->trans	= trans;
+	op->command	= command;
+	op->op_info	= NULL;
+	op->send_fn	= NULL;
+
+	/* its a full request, give it to the backend */
+	if (command == SMBtrans) {
+		SMBSRV_CALL_NTVFS_BACKEND(ntvfs_trans(req->ntvfs, trans));
+		return;
+	} else {
+		SMBSRV_CALL_NTVFS_BACKEND(trans2_backend(req, op));
+		return;
+	}
+}
+
+/*
+  Reply to an SMBtrans or SMBtrans2 request
+*/
+static void reply_trans_generic(struct smbsrv_request *req, uint8_t command)
+{
+	struct smb_trans2 *trans;
+	int i;
+	uint16_t param_ofs, data_ofs;
+	uint16_t param_count, data_count;
+	uint16_t param_total, data_total;
+
+	/* parse request */
+	if (req->in.wct < 14) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	trans = talloc(req, struct smb_trans2);
+	if (trans == NULL) {
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+
+	param_total           = SVAL(req->in.vwv, VWV(0));
+	data_total            = SVAL(req->in.vwv, VWV(1));
+	trans->in.max_param   = SVAL(req->in.vwv, VWV(2));
+	trans->in.max_data    = SVAL(req->in.vwv, VWV(3));
+	trans->in.max_setup   = CVAL(req->in.vwv, VWV(4));
+	trans->in.flags       = SVAL(req->in.vwv, VWV(5));
+	trans->in.timeout     = IVAL(req->in.vwv, VWV(6));
+	param_count           = SVAL(req->in.vwv, VWV(9));
+	param_ofs             = SVAL(req->in.vwv, VWV(10));
+	data_count            = SVAL(req->in.vwv, VWV(11));
+	data_ofs              = SVAL(req->in.vwv, VWV(12));
+	trans->in.setup_count = CVAL(req->in.vwv, VWV(13));
+
+	if (req->in.wct != 14 + trans->in.setup_count) {
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+		return;
+	}
+
+	/* parse out the setup words */
+	trans->in.setup = talloc_array(trans, uint16_t, trans->in.setup_count);
+	if (trans->in.setup_count && !trans->in.setup) {
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+	for (i=0;i<trans->in.setup_count;i++) {
+		trans->in.setup[i] = SVAL(req->in.vwv, VWV(14+i));
+	}
+
+	if (command == SMBtrans) {
+		req_pull_string(&req->in.bufinfo, &trans->in.trans_name, req->in.data, -1, STR_TERMINATE);
+	}
+
+	if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &trans->in.params) ||
+	    !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &trans->in.data)) {
+		smbsrv_send_error(req, NT_STATUS_FOOBAR);
+		return;
+	}
+
+	/* is it a partial request? if so, then send a 'send more' message */
+	if (param_total > param_count || data_total > data_count) {
+		reply_trans_continue(req, command, trans);
+		return;
+	}
+
+	reply_trans_complete(req, command, trans);
+}
+
+
+/*
+  Reply to an SMBtranss2 request
+*/
+static void reply_transs_generic(struct smbsrv_request *req, uint8_t command)
+{
+	struct smbsrv_trans_partial *tp;
+	struct smb_trans2 *trans = NULL;
+	uint16_t param_ofs, data_ofs;
+	uint16_t param_count, data_count;
+	uint16_t param_disp, data_disp;
+	uint16_t param_total, data_total;
+	DATA_BLOB params, data;
+	uint8_t wct;
+
+	if (command == SMBtrans2) {
+		wct = 9;
+	} else {
+		wct = 8;
+	}
+
+	/* parse request */
+	if (req->in.wct != wct) {
+		/*
+		 * TODO: add some error code tests
+		 *       w2k3 returns NT_STATUS_DOS(ERRSRV, ERRerror) here
+		 */
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	for (tp=req->smb_conn->trans_partial;tp;tp=tp->next) {
+		if (tp->command == command &&
+		    SVAL(tp->req->in.hdr, HDR_MID) == SVAL(req->in.hdr, HDR_MID)) {
+/* TODO: check the VUID, PID and TID too? */
+			break;
+		}
+	}
+
+	if (tp == NULL) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	trans = tp->u.trans;
+
+	param_total           = SVAL(req->in.vwv, VWV(0));
+	data_total            = SVAL(req->in.vwv, VWV(1));
+	param_count           = SVAL(req->in.vwv, VWV(2));
+	param_ofs             = SVAL(req->in.vwv, VWV(3));
+	param_disp            = SVAL(req->in.vwv, VWV(4));
+	data_count            = SVAL(req->in.vwv, VWV(5));
+	data_ofs              = SVAL(req->in.vwv, VWV(6));
+	data_disp             = SVAL(req->in.vwv, VWV(7));
+
+	if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &params) ||
+	    !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &data)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	/* only allow contiguous requests */
+	if ((param_count != 0 &&
+	     param_disp != trans->in.params.length) ||
+	    (data_count != 0 &&
+	     data_disp != trans->in.data.length)) {
+		smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+		return;		
+	}
+
+	/* add to the existing request */
+	if (param_count != 0) {
+		trans->in.params.data = talloc_realloc(trans,
+							 trans->in.params.data,
+							 uint8_t,
+							 param_disp + param_count);
+		if (trans->in.params.data == NULL) {
+			smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+		trans->in.params.length = param_disp + param_count;
+	}
+
+	if (data_count != 0) {
+		trans->in.data.data = talloc_realloc(trans,
+						       trans->in.data.data,
+						       uint8_t,
+						       data_disp + data_count);
+		if (trans->in.data.data == NULL) {
+			smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+		trans->in.data.length = data_disp + data_count;
+	}
+
+	memcpy(trans->in.params.data + param_disp, params.data, params.length);
+	memcpy(trans->in.data.data + data_disp, data.data, data.length);
+
+	/* the sequence number of the reply is taken from the last secondary
+	   response */
+	tp->req->seq_num = req->seq_num;
+
+	/* we don't reply to Transs2 requests */
+	talloc_free(req);
+
+	if (trans->in.params.length == param_total &&
+	    trans->in.data.length == data_total) {
+		/* its now complete */
+		req = tp->req;
+		talloc_free(tp);
+		reply_trans_complete(req, command, trans);
+	}
+	return;
+}
+
+
+/*
+  Reply to an SMBtrans2
+*/
+void smbsrv_reply_trans2(struct smbsrv_request *req)
+{
+	reply_trans_generic(req, SMBtrans2);
+}
+
+/*
+  Reply to an SMBtrans
+*/
+void smbsrv_reply_trans(struct smbsrv_request *req)
+{
+	reply_trans_generic(req, SMBtrans);
+}
+
+/*
+  Reply to an SMBtranss request
+*/
+void smbsrv_reply_transs(struct smbsrv_request *req)
+{
+	reply_transs_generic(req, SMBtrans);
+}
+
+/*
+  Reply to an SMBtranss2 request
+*/
+void smbsrv_reply_transs2(struct smbsrv_request *req)
+{
+	reply_transs_generic(req, SMBtrans2);
+}
diff --git a/source4/smb_server/smb/wscript_build b/source4/smb_server/smb/wscript_build
new file mode 100644
index 0000000..3e3df21
--- /dev/null
+++ b/source4/smb_server/smb/wscript_build
@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+
+bld.SAMBA_SUBSYSTEM('SMB_PROTOCOL',
+	source='receive.c negprot.c nttrans.c reply.c request.c search.c service.c sesssetup.c srvtime.c trans2.c signing.c',
+	autoproto='smb_proto.h',
+	deps='dfs_server_ad',
+	public_deps='ntvfs LIBPACKET samba-credentials samba_server_gensec',
+	enabled=bld.CONFIG_SET('WITH_NTVFS_FILESERVER')
+	)
+
diff --git a/source4/smb_server/smb2/fileinfo.c b/source4/smb_server/smb2/fileinfo.c
new file mode 100644
index 0000000..a90c41a
--- /dev/null
+++ b/source4/smb_server/smb2/fileinfo.c
@@ -0,0 +1,377 @@
+/* 
+   Unix SMB2 implementation.
+   
+   Copyright (C) Stefan Metzmacher	2006
+   
+   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 "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "ntvfs/ntvfs.h"
+#include "librpc/gen_ndr/ndr_security.h"
+
+struct smb2srv_getinfo_op {
+	struct smb2srv_request *req;
+	struct smb2_getinfo *info;
+	void *io_ptr;
+	NTSTATUS (*send_fn)(struct smb2srv_getinfo_op *op);
+};
+
+static void smb2srv_getinfo_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_getinfo_op *op;
+	struct smb2srv_request *req;
+
+	/*
+	 * SMB2 uses NT_STATUS_INVALID_INFO_CLASS
+	 * so we need to translated it here
+	 */
+	if (NT_STATUS_EQUAL(NT_STATUS_INVALID_LEVEL, ntvfs->async_states->status)) {
+		ntvfs->async_states->status = NT_STATUS_INVALID_INFO_CLASS;
+	}
+
+	SMB2SRV_CHECK_ASYNC_STATUS(op, struct smb2srv_getinfo_op);
+
+	ZERO_STRUCT(op->info->out);
+	if (op->send_fn) {
+		SMB2SRV_CHECK(op->send_fn(op));
+	}
+
+	if (op->info->in.output_buffer_length < op->info->out.blob.length) {
+		smb2srv_send_error(req,  NT_STATUS_INFO_LENGTH_MISMATCH);
+		return;
+	}
+
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, true, op->info->out.blob.length));
+
+	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, op->info->out.blob));
+	SSVAL(req->out.body,	0x06,	0);
+
+	smb2srv_send_reply(req);
+}
+
+static NTSTATUS smb2srv_getinfo_file_send(struct smb2srv_getinfo_op *op)
+{
+	union smb_fileinfo *io = talloc_get_type(op->io_ptr, union smb_fileinfo);
+	NTSTATUS status;
+
+	status = smbsrv_push_passthru_fileinfo(op->req,
+					       &op->info->out.blob,
+					       io->generic.level, io,
+					       STR_UNICODE);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS smb2srv_getinfo_file(struct smb2srv_getinfo_op *op, uint8_t smb2_level)
+{
+	union smb_fileinfo *io;
+	uint16_t level;
+
+	io = talloc(op, union smb_fileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	level = op->info->in.info_type | (op->info->in.info_class << 8);
+	switch (level) {
+	case RAW_FILEINFO_SMB2_ALL_EAS:
+		io->all_eas.level		= level;
+		io->all_eas.in.file.ntvfs	= op->info->in.file.ntvfs;
+		io->all_eas.in.continue_flags	= op->info->in.getinfo_flags;
+		break;
+
+	case RAW_FILEINFO_SMB2_ALL_INFORMATION:
+		io->all_info2.level		= level;
+		io->all_info2.in.file.ntvfs	= op->info->in.file.ntvfs;
+		break;
+
+	default:
+		/* the rest directly maps to the passthru levels */
+		io->generic.level		= smb2_level + 1000;
+		io->generic.in.file.ntvfs	= op->info->in.file.ntvfs;
+		break;
+	}
+
+	op->io_ptr	= io;
+	op->send_fn	= smb2srv_getinfo_file_send;
+
+	return ntvfs_qfileinfo(op->req->ntvfs, io);
+}
+
+static NTSTATUS smb2srv_getinfo_fs_send(struct smb2srv_getinfo_op *op)
+{
+	union smb_fsinfo *io = talloc_get_type(op->io_ptr, union smb_fsinfo);
+	NTSTATUS status;
+
+	status = smbsrv_push_passthru_fsinfo(op->req,
+					     &op->info->out.blob,
+					     io->generic.level, io,
+					     STR_UNICODE);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS smb2srv_getinfo_fs(struct smb2srv_getinfo_op *op, uint8_t smb2_level)
+{
+	union smb_fsinfo *io;
+
+	io = talloc(op, union smb_fsinfo);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	/* the rest directly maps to the passthru levels */
+	io->generic.level	= smb2_level + 1000;
+
+	/* TODO: allow qfsinfo only the share root directory handle */
+
+	op->io_ptr	= io;
+	op->send_fn	= smb2srv_getinfo_fs_send;
+
+	return ntvfs_fsinfo(op->req->ntvfs, io);
+}
+
+static NTSTATUS smb2srv_getinfo_security_send(struct smb2srv_getinfo_op *op)
+{
+	union smb_fileinfo *io = talloc_get_type(op->io_ptr, union smb_fileinfo);
+	enum ndr_err_code ndr_err;
+
+	ndr_err = ndr_push_struct_blob(&op->info->out.blob, op->req, 
+				       io->query_secdesc.out.sd,
+				       (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS smb2srv_getinfo_security(struct smb2srv_getinfo_op *op, uint8_t smb2_level)
+{
+	union smb_fileinfo *io;
+
+	switch (smb2_level) {
+	case 0x00:
+		io = talloc(op, union smb_fileinfo);
+		NT_STATUS_HAVE_NO_MEMORY(io);
+
+		io->query_secdesc.level			= RAW_FILEINFO_SEC_DESC;
+		io->query_secdesc.in.file.ntvfs		= op->info->in.file.ntvfs;
+		io->query_secdesc.in.secinfo_flags	= op->info->in.additional_information;
+
+		op->io_ptr	= io;
+		op->send_fn	= smb2srv_getinfo_security_send;
+
+		return ntvfs_qfileinfo(op->req->ntvfs, io);
+	}
+
+	return NT_STATUS_INVALID_PARAMETER;
+}
+
+static NTSTATUS smb2srv_getinfo_backend(struct smb2srv_getinfo_op *op)
+{
+	switch (op->info->in.info_type) {
+	case SMB2_0_INFO_FILE:
+		return smb2srv_getinfo_file(op, op->info->in.info_class);
+
+	case SMB2_0_INFO_FILESYSTEM:
+		return smb2srv_getinfo_fs(op, op->info->in.info_class);
+
+	case SMB2_0_INFO_SECURITY:
+		return smb2srv_getinfo_security(op, op->info->in.info_class);
+
+	case SMB2_0_INFO_QUOTA:
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	return NT_STATUS_INVALID_PARAMETER;
+}
+
+void smb2srv_getinfo_recv(struct smb2srv_request *req)
+{
+	struct smb2_getinfo *info;
+	struct smb2srv_getinfo_op *op;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x28, true);
+	SMB2SRV_TALLOC_IO_PTR(info, struct smb2_getinfo);
+	/* this overwrites req->io_ptr !*/
+	SMB2SRV_TALLOC_IO_PTR(op, struct smb2srv_getinfo_op);
+	op->req		= req;
+	op->info	= info;
+	op->io_ptr	= NULL;
+	op->send_fn	= NULL;
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_getinfo_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	info->in.info_type		= CVAL(req->in.body, 0x02);
+	info->in.info_class		= CVAL(req->in.body, 0x03);
+	info->in.output_buffer_length	= IVAL(req->in.body, 0x04);
+	info->in.reserved		= IVAL(req->in.body, 0x0C);
+	info->in.additional_information	= IVAL(req->in.body, 0x10);
+	info->in.getinfo_flags		= IVAL(req->in.body, 0x14);
+	info->in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x18);
+	SMB2SRV_CHECK(smb2_pull_o16As32_blob(&req->in, op, 
+					    req->in.body+0x08, &info->in.input_buffer));
+
+	SMB2SRV_CHECK_FILE_HANDLE(info->in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(smb2srv_getinfo_backend(op));
+}
+
+struct smb2srv_setinfo_op {
+	struct smb2srv_request *req;
+	struct smb2_setinfo *info;
+};
+
+static void smb2srv_setinfo_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_setinfo_op *op;
+	struct smb2srv_request *req;
+
+	/*
+	 * SMB2 uses NT_STATUS_INVALID_INFO_CLASS
+	 * so we need to translated it here
+	 */
+	if (NT_STATUS_EQUAL(NT_STATUS_INVALID_LEVEL, ntvfs->async_states->status)) {
+		ntvfs->async_states->status = NT_STATUS_INVALID_INFO_CLASS;
+	}
+
+	SMB2SRV_CHECK_ASYNC_STATUS(op, struct smb2srv_setinfo_op);
+
+	SMB2SRV_CHECK(smb2srv_setup_reply(op->req, 0x02, false, 0));
+
+	smb2srv_send_reply(req);
+}
+
+static NTSTATUS smb2srv_setinfo_file(struct smb2srv_setinfo_op *op, uint8_t smb2_level)
+{
+	union smb_setfileinfo *io;
+	NTSTATUS status;
+
+	io = talloc(op, union smb_setfileinfo);
+	NT_STATUS_HAVE_NO_MEMORY(io);
+
+	/* the levels directly map to the passthru levels */
+	io->generic.level		= smb2_level + 1000;
+	io->generic.in.file.ntvfs	= op->info->in.file.ntvfs;
+
+	/* handle cases that don't map directly */
+	if (io->generic.level == RAW_SFILEINFO_RENAME_INFORMATION) {
+		io->generic.level = RAW_SFILEINFO_RENAME_INFORMATION_SMB2;
+	}
+
+	status = smbsrv_pull_passthru_sfileinfo(io, io->generic.level, io,
+						&op->info->in.blob,
+						STR_UNICODE, &op->req->in.bufinfo);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return ntvfs_setfileinfo(op->req->ntvfs, io);
+}
+
+static NTSTATUS smb2srv_setinfo_fs(struct smb2srv_setinfo_op *op, uint8_t smb2_level)
+{
+	switch (smb2_level) {
+	case 0x02:
+		return NT_STATUS_NOT_IMPLEMENTED;
+
+	case 0x06:
+		return NT_STATUS_ACCESS_DENIED;
+
+	case 0x08:
+		return NT_STATUS_ACCESS_DENIED;
+
+	case 0x0A:
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	return NT_STATUS_INVALID_INFO_CLASS;
+}
+
+static NTSTATUS smb2srv_setinfo_security(struct smb2srv_setinfo_op *op, uint8_t smb2_level)
+{
+	union smb_setfileinfo *io;
+	enum ndr_err_code ndr_err;
+
+	switch (smb2_level) {
+	case 0x00:
+		io = talloc(op, union smb_setfileinfo);
+		NT_STATUS_HAVE_NO_MEMORY(io);
+
+		io->set_secdesc.level            = RAW_SFILEINFO_SEC_DESC;
+		io->set_secdesc.in.file.ntvfs    = op->info->in.file.ntvfs;
+		io->set_secdesc.in.secinfo_flags = op->info->in.flags;
+
+		io->set_secdesc.in.sd = talloc(io, struct security_descriptor);
+		NT_STATUS_HAVE_NO_MEMORY(io->set_secdesc.in.sd);
+
+		ndr_err = ndr_pull_struct_blob(&op->info->in.blob, io, 
+					       io->set_secdesc.in.sd,
+					       (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+		if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+			return ndr_map_error2ntstatus(ndr_err);
+		}
+
+		return ntvfs_setfileinfo(op->req->ntvfs, io);
+	}
+
+	return NT_STATUS_INVALID_INFO_CLASS;
+}
+
+static NTSTATUS smb2srv_setinfo_backend(struct smb2srv_setinfo_op *op)
+{
+	uint8_t smb2_class;
+	uint8_t smb2_level;
+
+	smb2_class = 0xFF & op->info->in.level;
+	smb2_level = 0xFF & (op->info->in.level>>8);
+
+	switch (smb2_class) {
+	case SMB2_0_INFO_FILE:
+		return smb2srv_setinfo_file(op, smb2_level);
+
+	case SMB2_0_INFO_FILESYSTEM:
+		return smb2srv_setinfo_fs(op, smb2_level);
+
+	case SMB2_0_INFO_SECURITY:
+		return smb2srv_setinfo_security(op, smb2_level);
+
+	case SMB2_0_INFO_QUOTA:
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	return NT_STATUS_INVALID_PARAMETER;
+}
+
+void smb2srv_setinfo_recv(struct smb2srv_request *req)
+{
+	struct smb2_setinfo *info;
+	struct smb2srv_setinfo_op *op;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x20, true);
+	SMB2SRV_TALLOC_IO_PTR(info, struct smb2_setinfo);
+	/* this overwrites req->io_ptr !*/
+	SMB2SRV_TALLOC_IO_PTR(op, struct smb2srv_setinfo_op);
+	op->req		= req;
+	op->info	= info;
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_setinfo_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	info->in.level			= SVAL(req->in.body, 0x02);
+	SMB2SRV_CHECK(smb2_pull_s32o16_blob(&req->in, info, req->in.body+0x04, &info->in.blob));
+	info->in.flags			= IVAL(req->in.body, 0x0C);
+	info->in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x10);
+
+	SMB2SRV_CHECK_FILE_HANDLE(info->in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(smb2srv_setinfo_backend(op));
+}
diff --git a/source4/smb_server/smb2/fileio.c b/source4/smb_server/smb2/fileio.c
new file mode 100644
index 0000000..4153a42
--- /dev/null
+++ b/source4/smb_server/smb2/fileio.c
@@ -0,0 +1,547 @@
+/* 
+   Unix SMB2 implementation.
+   
+   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 "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "ntvfs/ntvfs.h"
+#include "libcli/raw/raw_proto.h"
+#include "librpc/gen_ndr/ndr_security.h"
+
+static void smb2srv_create_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_open *io;
+	DATA_BLOB blob;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_open);
+
+	/* setup the blobs we should give in the reply */
+	if (io->smb2.out.maximal_access != 0) {
+		uint32_t data[2];
+		SIVAL(data, 0, 0);
+		SIVAL(data, 4, io->smb2.out.maximal_access);
+		SMB2SRV_CHECK(smb2_create_blob_add(req, &io->smb2.out.blobs,
+						   SMB2_CREATE_TAG_MXAC, 
+						   data_blob_const(data, 8)));
+	}
+	
+	if (IVAL(io->smb2.out.on_disk_id, 0) != 0) {
+		SMB2SRV_CHECK(smb2_create_blob_add(req, &io->smb2.out.blobs,
+						   SMB2_CREATE_TAG_QFID,
+						   data_blob_const(io->smb2.out.on_disk_id, 32)));
+	}
+
+	SMB2SRV_CHECK(smb2_create_blob_push(req, &blob, io->smb2.out.blobs));
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x58, true, blob.length));
+
+	SCVAL(req->out.body,	0x02,	io->smb2.out.oplock_level);
+	SCVAL(req->out.body,	0x03,	io->smb2.out.reserved);
+	SIVAL(req->out.body,	0x04,	io->smb2.out.create_action);
+	SBVAL(req->out.body,	0x08,	io->smb2.out.create_time);
+	SBVAL(req->out.body,	0x10,	io->smb2.out.access_time);
+	SBVAL(req->out.body,	0x18,	io->smb2.out.write_time);
+	SBVAL(req->out.body,	0x20,	io->smb2.out.change_time);
+	SBVAL(req->out.body,	0x28,	io->smb2.out.alloc_size);
+	SBVAL(req->out.body,	0x30,	io->smb2.out.size);
+	SIVAL(req->out.body,	0x38,	io->smb2.out.file_attr);
+	SIVAL(req->out.body,	0x3C,	io->smb2.out.reserved2);
+	smb2srv_push_handle(req->out.body, 0x40, io->smb2.out.file.ntvfs);
+	SMB2SRV_CHECK(smb2_push_o32s32_blob(&req->out, 0x50, blob));
+
+	/* also setup the chained file handle */
+	req->chained_file_handle = req->_chained_file_handle;
+	smb2srv_push_handle(req->chained_file_handle, 0, io->smb2.out.file.ntvfs);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_create_recv(struct smb2srv_request *req)
+{
+	union smb_open *io;
+	DATA_BLOB blob;
+	int i;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x38, true);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_open);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_create_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	ZERO_STRUCT(io->smb2.in);
+	io->smb2.level			= RAW_OPEN_SMB2;
+	io->smb2.in.security_flags	= CVAL(req->in.body, 0x02);
+	io->smb2.in.oplock_level	= CVAL(req->in.body, 0x03);
+	io->smb2.in.impersonation_level	= IVAL(req->in.body, 0x04);
+	io->smb2.in.create_flags	= BVAL(req->in.body, 0x08);
+	io->smb2.in.reserved		= BVAL(req->in.body, 0x10);
+	io->smb2.in.desired_access	= IVAL(req->in.body, 0x18);
+	io->smb2.in.file_attributes	= IVAL(req->in.body, 0x1C);
+	io->smb2.in.share_access	= IVAL(req->in.body, 0x20);
+	io->smb2.in.create_disposition	= IVAL(req->in.body, 0x24);
+	io->smb2.in.create_options	= IVAL(req->in.body, 0x28);
+	SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x2C, &io->smb2.in.fname));
+	SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x30, &blob));
+	SMB2SRV_CHECK(smb2_create_blob_parse(io, blob, &io->smb2.in.blobs));
+
+	/* interpret the parsed tags that a server needs to respond to */
+	for (i=0;i<io->smb2.in.blobs.num_blobs;i++) {
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_EXTA) == 0) {
+			SMB2SRV_CHECK(ea_pull_list_chained(&io->smb2.in.blobs.blobs[i].data, io, 
+							   &io->smb2.in.eas.num_eas,
+							   &io->smb2.in.eas.eas));
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_SECD) == 0) {
+			enum ndr_err_code ndr_err;
+			io->smb2.in.sec_desc = talloc(io, struct security_descriptor);
+			if (io->smb2.in.sec_desc == NULL) {
+				smb2srv_send_error(req,  NT_STATUS_NO_MEMORY);
+				return;
+			}
+			ndr_err = ndr_pull_struct_blob(&io->smb2.in.blobs.blobs[i].data, io, 
+						       io->smb2.in.sec_desc,
+						       (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+			if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+				smb2srv_send_error(req,  ndr_map_error2ntstatus(ndr_err));
+				return;
+			}
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_DHNQ) == 0) {
+			io->smb2.in.durable_open = true;
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_DHNC) == 0) {
+			if (io->smb2.in.blobs.blobs[i].data.length != 16) {
+				smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+				return;				
+			}
+			io->smb2.in.durable_handle = talloc(io, struct smb2_handle);
+			if (io->smb2.in.durable_handle == NULL) {
+				smb2srv_send_error(req,  NT_STATUS_NO_MEMORY);
+				return;
+			}
+			smb2_pull_handle(io->smb2.in.blobs.blobs[i].data.data, io->smb2.in.durable_handle);
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_ALSI) == 0) {
+			if (io->smb2.in.blobs.blobs[i].data.length != 8) {
+				smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+				return;				
+			}
+			io->smb2.in.alloc_size = BVAL(io->smb2.in.blobs.blobs[i].data.data, 0);
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_MXAC) == 0) {
+			io->smb2.in.query_maximal_access = true;
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_TWRP) == 0) {
+			if (io->smb2.in.blobs.blobs[i].data.length != 8) {
+				smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+				return;				
+			}
+			io->smb2.in.timewarp = BVAL(io->smb2.in.blobs.blobs[i].data.data, 0);			
+		}
+		if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_QFID) == 0) {
+			io->smb2.in.query_on_disk_id = true;
+		}
+	}
+		
+	/* the VFS backend does not yet handle NULL filenames */
+	if (io->smb2.in.fname == NULL) {
+		io->smb2.in.fname = "";
+	}
+
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io));
+}
+
+static void smb2srv_close_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_close *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_close);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x3C, false, 0));
+
+	SSVAL(req->out.body,	0x02,	io->smb2.out.flags);
+	SIVAL(req->out.body,	0x04,	io->smb2.out._pad);
+	SBVAL(req->out.body,	0x08,	io->smb2.out.create_time);
+	SBVAL(req->out.body,	0x10,	io->smb2.out.access_time);
+	SBVAL(req->out.body,	0x18,	io->smb2.out.write_time);
+	SBVAL(req->out.body,	0x20,	io->smb2.out.change_time);
+	SBVAL(req->out.body,	0x28,	io->smb2.out.alloc_size);
+	SBVAL(req->out.body,	0x30,	io->smb2.out.size);
+	SIVAL(req->out.body,	0x38,	io->smb2.out.file_attr);
+
+	/* also destroy the chained file handle */
+	req->chained_file_handle = NULL;
+	memset(req->_chained_file_handle, 0, sizeof(req->_chained_file_handle));
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_close_recv(struct smb2srv_request *req)
+{
+	union smb_close *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x18, false);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_close);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_close_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2.level			= RAW_CLOSE_SMB2;
+	io->smb2.in.flags		= SVAL(req->in.body, 0x02);
+	io->smb2.in._pad		= IVAL(req->in.body, 0x04);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x08);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_close(req->ntvfs, io));
+}
+
+static void smb2srv_flush_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_flush *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_flush);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x04, false, 0));
+
+	SSVAL(req->out.body,	0x02,	io->smb2.out.reserved);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_flush_recv(struct smb2srv_request *req)
+{
+	union smb_flush *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x18, false);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_flush);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_flush_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2.level			= RAW_FLUSH_SMB2;
+	io->smb2.in.reserved1		= SVAL(req->in.body, 0x02);
+	io->smb2.in.reserved2		= IVAL(req->in.body, 0x04);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x08);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_flush(req->ntvfs, io));
+}
+
+static void smb2srv_read_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_read *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_read);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x10, true, io->smb2.out.data.length));
+
+	/* TODO: avoid the memcpy */
+	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, io->smb2.out.data));
+	SIVAL(req->out.body,	0x08,	io->smb2.out.remaining);
+	SIVAL(req->out.body,	0x0C,	io->smb2.out.reserved);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_read_recv(struct smb2srv_request *req)
+{
+	union smb_read *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x30, true);
+
+	/* MS-SMB2 2.2.19 read must have a single byte of zero */
+	if (req->in.body_size - req->in.body_fixed < 1) {
+		smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_read);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_read_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2.level			= RAW_READ_SMB2;
+	io->smb2.in._pad		= SVAL(req->in.body, 0x02);
+	io->smb2.in.length		= IVAL(req->in.body, 0x04);
+	io->smb2.in.offset		= BVAL(req->in.body, 0x08);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x10);
+	io->smb2.in.min_count		= IVAL(req->in.body, 0x20);
+	io->smb2.in.channel		= IVAL(req->in.body, 0x24);
+	io->smb2.in.remaining		= IVAL(req->in.body, 0x28);
+	io->smb2.in.channel_offset      = SVAL(req->in.body, 0x2C);
+	io->smb2.in.channel_length      = SVAL(req->in.body, 0x2E);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+
+	/* preallocate the buffer for the backends */
+	io->smb2.out.data = data_blob_talloc(io, NULL, io->smb2.in.length);
+	if (io->smb2.out.data.length != io->smb2.in.length) {
+		SMB2SRV_CHECK(NT_STATUS_NO_MEMORY);
+	}
+
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
+}
+
+static void smb2srv_write_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_write *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_write);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x10, true, 0));
+
+	SSVAL(req->out.body,	0x02,	io->smb2.out._pad);
+	SIVAL(req->out.body,	0x04,	io->smb2.out.nwritten);
+	SBVAL(req->out.body,	0x08,	io->smb2.out.unknown1);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_write_recv(struct smb2srv_request *req)
+{
+	union smb_write *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x30, true);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_write);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_write_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	/* TODO: avoid the memcpy */
+	io->smb2.level			= RAW_WRITE_SMB2;
+	SMB2SRV_CHECK(smb2_pull_o16s32_blob(&req->in, io, req->in.body+0x02, &io->smb2.in.data));
+	io->smb2.in.offset		= BVAL(req->in.body, 0x08);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x10);
+	io->smb2.in.unknown1		= BVAL(req->in.body, 0x20);
+	io->smb2.in.unknown2		= BVAL(req->in.body, 0x28);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
+}
+
+static void smb2srv_lock_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_lock *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS_ERR(io, union smb_lock);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x04, false, 0));
+
+	SSVAL(req->out.body,	0x02,	io->smb2.out.reserved);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_lock_recv(struct smb2srv_request *req)
+{
+	union smb_lock *io;
+	int i;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x30, false);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_lock);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_lock_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2.level			= RAW_LOCK_SMB2;
+	io->smb2.in.lock_count		= SVAL(req->in.body, 0x02);
+	io->smb2.in.lock_sequence	= IVAL(req->in.body, 0x04);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x08);
+	if (req->in.body_size < 24 + 24*(uint64_t)io->smb2.in.lock_count) {
+		DEBUG(0,("%s: lock buffer too small\n", __location__));
+		smb2srv_send_error(req,  NT_STATUS_FOOBAR);
+		return;
+	}
+	io->smb2.in.locks = talloc_array(io, struct smb2_lock_element, 
+					 io->smb2.in.lock_count);
+	if (io->smb2.in.locks == NULL) {
+		smb2srv_send_error(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+
+	for (i=0;i<io->smb2.in.lock_count;i++) {
+		io->smb2.in.locks[i].offset	= BVAL(req->in.body, 24 + i*24);
+		io->smb2.in.locks[i].length	= BVAL(req->in.body, 32 + i*24);
+		io->smb2.in.locks[i].flags	= IVAL(req->in.body, 40 + i*24);
+		io->smb2.in.locks[i].reserved	= IVAL(req->in.body, 44 + i*24);
+	}
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, io));
+}
+
+static void smb2srv_ioctl_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_ioctl *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS_ERR(io, union smb_ioctl);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x30, true, 0));
+
+	SSVAL(req->out.body,	0x02,	io->smb2.out.reserved);
+	SIVAL(req->out.body,	0x04,	io->smb2.out.function);
+	if (io->smb2.level == RAW_IOCTL_SMB2_NO_HANDLE) {
+		struct smb2_handle h;
+		h.data[0] = UINT64_MAX;
+		h.data[1] = UINT64_MAX;
+		smb2_push_handle(req->out.body + 0x08, &h);
+	} else {
+		smb2srv_push_handle(req->out.body, 0x08,io->smb2.in.file.ntvfs);
+	}
+	SMB2SRV_CHECK(smb2_push_o32s32_blob(&req->out, 0x18, io->smb2.out.in));
+	SMB2SRV_CHECK(smb2_push_o32s32_blob(&req->out, 0x20, io->smb2.out.out));
+	SIVAL(req->out.body,	0x28,	io->smb2.out.flags);
+	SIVAL(req->out.body,	0x2C,	io->smb2.out.reserved2);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_ioctl_recv(struct smb2srv_request *req)
+{
+	union smb_ioctl *io;
+	struct smb2_handle h;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x38, true);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_ioctl);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_ioctl_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	/* TODO: avoid the memcpy */
+	io->smb2.in.reserved		= SVAL(req->in.body, 0x02);
+	io->smb2.in.function		= IVAL(req->in.body, 0x04);
+	/* file handle ... */
+	SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x18, &io->smb2.in.out));
+	io->smb2.in.max_input_response	= IVAL(req->in.body, 0x20);
+	SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x24, &io->smb2.in.in));
+	io->smb2.in.max_output_response	= IVAL(req->in.body, 0x2C);
+	io->smb2.in.flags		= IVAL(req->in.body, 0x30);
+	io->smb2.in.reserved2		= IVAL(req->in.body, 0x34);
+
+	smb2_pull_handle(req->in.body + 0x08, &h);
+	if (h.data[0] == UINT64_MAX && h.data[1] == UINT64_MAX) {
+		io->smb2.level		= RAW_IOCTL_SMB2_NO_HANDLE;
+	} else {
+		io->smb2.level		= RAW_IOCTL_SMB2;
+		io->smb2.in.file.ntvfs	= smb2srv_pull_handle(req, req->in.body, 0x08);
+		SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	}
+
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_ioctl(req->ntvfs, io));
+}
+
+static void smb2srv_notify_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_notify *io;
+	size_t size = 0;
+	int i;
+	uint8_t *p;
+	DATA_BLOB blob = data_blob(NULL, 0);
+
+	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_notify);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, true, 0));
+
+#define MAX_BYTES_PER_CHAR 3
+	
+	/* work out how big the reply buffer could be */
+	for (i=0;i<io->smb2.out.num_changes;i++) {
+		size += 12 + 3 + (1+strlen(io->smb2.out.changes[i].name.s)) * MAX_BYTES_PER_CHAR;
+	}
+
+	blob = data_blob_talloc(req, NULL, size);
+	if (size > 0 && !blob.data) {
+		SMB2SRV_CHECK(NT_STATUS_NO_MEMORY);
+	}
+
+	p = blob.data;
+
+	/* construct the changes buffer */
+	for (i=0;i<io->smb2.out.num_changes;i++) {
+		uint32_t ofs;
+		ssize_t len;
+
+		SIVAL(p, 4, io->smb2.out.changes[i].action);
+		len = push_string(p + 12, io->smb2.out.changes[i].name.s, 
+				  blob.length - (p+12 - blob.data), STR_UNICODE);
+		SIVAL(p, 8, len);
+
+		ofs = len + 12;
+
+		if (ofs & 3) {
+			int pad = 4 - (ofs & 3);
+			memset(p+ofs, 0, pad);
+			ofs += pad;
+		}
+
+		if (i == io->smb2.out.num_changes-1) {
+			SIVAL(p, 0, 0);
+		} else {
+			SIVAL(p, 0, ofs);
+		}
+
+		p += ofs;
+	}
+
+	blob.length = p - blob.data;
+
+	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, blob));
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_notify_recv(struct smb2srv_request *req)
+{
+	union smb_notify *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x20, false);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_notify);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_notify_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2.level			= RAW_NOTIFY_SMB2;
+	io->smb2.in.recursive		= SVAL(req->in.body, 0x02);
+	io->smb2.in.buffer_size		= IVAL(req->in.body, 0x04);
+	io->smb2.in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x08);
+	io->smb2.in.completion_filter	= IVAL(req->in.body, 0x18);
+	io->smb2.in.unknown		= BVAL(req->in.body, 0x1C);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_notify(req->ntvfs, io));
+}
+
+static void smb2srv_break_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	union smb_lock *io;
+
+	SMB2SRV_CHECK_ASYNC_STATUS_ERR(io, union smb_lock);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x18, false, 0));
+
+	SCVAL(req->out.body,	0x02,	io->smb2_break.out.oplock_level);
+	SCVAL(req->out.body,	0x03,	io->smb2_break.out.reserved);
+	SIVAL(req->out.body,	0x04,	io->smb2_break.out.reserved2);
+	smb2srv_push_handle(req->out.body, 0x08,io->smb2_break.out.file.ntvfs);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_break_recv(struct smb2srv_request *req)
+{
+	union smb_lock *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x18, false);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_lock);
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_break_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	io->smb2_break.level		= RAW_LOCK_SMB2_BREAK;
+	io->smb2_break.in.oplock_level	= CVAL(req->in.body, 0x02);
+	io->smb2_break.in.reserved	= CVAL(req->in.body, 0x03);
+	io->smb2_break.in.reserved2	= IVAL(req->in.body, 0x04);
+	io->smb2_break.in.file.ntvfs	= smb2srv_pull_handle(req, req->in.body, 0x08);
+
+	SMB2SRV_CHECK_FILE_HANDLE(io->smb2_break.in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, io));
+}
diff --git a/source4/smb_server/smb2/find.c b/source4/smb_server/smb2/find.c
new file mode 100644
index 0000000..17f09e1
--- /dev/null
+++ b/source4/smb_server/smb2/find.c
@@ -0,0 +1,167 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB2 Find
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (c) Stefan Metzmacher 2006
+
+   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/>.
+*/
+/*
+   This file handles the parsing of transact2 requests
+*/
+
+#include "includes.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "ntvfs/ntvfs.h"
+
+
+/* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
+struct smb2srv_find_state {
+	struct smb2srv_request *req;
+	struct smb2_find *info;
+	union smb_search_first *ff;
+	union smb_search_next *fn;
+	uint32_t last_entry_offset;
+};
+
+/* callback function for SMB2 Find */
+static bool smb2srv_find_callback(void *private_data, const union smb_search_data *file)
+{
+	struct smb2srv_find_state *state = talloc_get_type(private_data, struct smb2srv_find_state);
+	struct smb2_find *info = state->info;
+	uint32_t old_length;
+	NTSTATUS status;
+
+	old_length = info->out.blob.length;
+
+	status = smbsrv_push_passthru_search(state, &info->out.blob, info->data_level, file, STR_UNICODE);
+	if (!NT_STATUS_IS_OK(status) ||
+	    info->out.blob.length > info->in.max_response_size) {
+		/* restore the old length and tell the backend to stop */
+		smbsrv_blob_grow_data(state, &info->out.blob, old_length);
+		return false;
+	}
+
+	state->last_entry_offset = old_length;
+
+	return true;
+}
+
+static void smb2srv_find_send(struct ntvfs_request *ntvfs)
+{
+	struct smb2srv_request *req;
+	struct smb2srv_find_state *state;
+
+	SMB2SRV_CHECK_ASYNC_STATUS(state, struct smb2srv_find_state);
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, true, state->info->out.blob.length));
+
+	if (state->info->out.blob.length > 0) {
+		SIVAL(state->info->out.blob.data + state->last_entry_offset, 0, 0);
+	}
+
+	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, state->info->out.blob));
+
+	smb2srv_send_reply(req);
+}
+
+static NTSTATUS smb2srv_find_backend(struct smb2srv_find_state *state)
+{
+	struct smb2_find *info = state->info;
+
+	switch (info->in.level) {
+	case SMB2_FIND_DIRECTORY_INFO:
+		info->data_level = RAW_SEARCH_DATA_DIRECTORY_INFO;
+		break;
+
+	case SMB2_FIND_FULL_DIRECTORY_INFO:
+		info->data_level = RAW_SEARCH_DATA_FULL_DIRECTORY_INFO;
+		break;
+
+	case SMB2_FIND_BOTH_DIRECTORY_INFO:
+		info->data_level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
+		break;
+
+	case SMB2_FIND_NAME_INFO:
+		info->data_level = RAW_SEARCH_DATA_NAME_INFO;
+		break;
+
+	case SMB2_FIND_ID_BOTH_DIRECTORY_INFO:
+		info->data_level = RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO;
+		break;
+
+	case SMB2_FIND_ID_FULL_DIRECTORY_INFO:
+		info->data_level = RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO;
+		break;
+
+	default:
+		return NT_STATUS_FOOBAR;
+	}
+
+	if (info->in.continue_flags & SMB2_CONTINUE_FLAG_REOPEN) {
+		state->ff = talloc(state, union smb_search_first);
+		NT_STATUS_HAVE_NO_MEMORY(state->ff);
+
+		state->ff->smb2 = *info;
+		state->info = &state->ff->smb2;
+		ZERO_STRUCT(state->ff->smb2.out);
+
+		return ntvfs_search_first(state->req->ntvfs, state->ff, state, smb2srv_find_callback);
+	} else {
+		state->fn = talloc(state, union smb_search_next);
+		NT_STATUS_HAVE_NO_MEMORY(state->fn);
+
+		state->fn->smb2 = *info;
+		state->info = &state->fn->smb2;
+		ZERO_STRUCT(state->fn->smb2.out);
+
+		return ntvfs_search_next(state->req->ntvfs, state->fn, state, smb2srv_find_callback);
+	}
+}
+
+void smb2srv_find_recv(struct smb2srv_request *req)
+{
+	struct smb2srv_find_state *state;
+	struct smb2_find *info;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x20, true);
+	SMB2SRV_TALLOC_IO_PTR(info, struct smb2_find);
+	/* this overwrites req->io_ptr !*/
+	SMB2SRV_TALLOC_IO_PTR(state, struct smb2srv_find_state);
+	state->req		= req;
+	state->info		= info;
+	state->ff		= NULL;
+	state->fn		= NULL;
+	state->last_entry_offset= 0;
+	SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_find_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+	info->level			= RAW_SEARCH_SMB2;
+	info->data_level		= RAW_SEARCH_DATA_GENERIC;/* will be overwritten later */
+	info->in.level			= CVAL(req->in.body, 0x02);
+	info->in.continue_flags		= CVAL(req->in.body, 0x03);
+	info->in.file_index		= IVAL(req->in.body, 0x04);
+	info->in.file.ntvfs		= smb2srv_pull_handle(req, req->in.body, 0x08);
+	SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, info, req->in.body+0x18, &info->in.pattern));
+	info->in.max_response_size	= IVAL(req->in.body, 0x1C);
+
+	/* the VFS backend does not yet handle NULL patterns */
+	if (info->in.pattern == NULL) {
+		info->in.pattern = "";
+	}
+
+	SMB2SRV_CHECK_FILE_HANDLE(info->in.file.ntvfs);
+	SMB2SRV_CALL_NTVFS_BACKEND(smb2srv_find_backend(state));
+}
diff --git a/source4/smb_server/smb2/keepalive.c b/source4/smb_server/smb2/keepalive.c
new file mode 100644
index 0000000..cd53778
--- /dev/null
+++ b/source4/smb_server/smb2/keepalive.c
@@ -0,0 +1,71 @@
+/* 
+   Unix SMB2 implementation.
+   
+   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 "libcli/smb2/smb2.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+
+static NTSTATUS smb2srv_keepalive_backend(struct smb2srv_request *req)
+{
+	/* TODO: maybe update some flags on the connection struct */
+	return NT_STATUS_OK;
+}
+
+static void smb2srv_keepalive_send(struct smb2srv_request *req)
+{
+	NTSTATUS status;
+
+	if (NT_STATUS_IS_ERR(req->status)) {
+		smb2srv_send_error(req, req->status);
+		return;
+	}
+
+	status = smb2srv_setup_reply(req, 0x04, false, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+
+	SSVAL(req->out.body, 0x02, 0);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_keepalive_recv(struct smb2srv_request *req)
+{
+	if (req->in.body_size != 0x04) {
+		smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	if (SVAL(req->in.body, 0x00) != 0x04) {
+		smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	req->status = smb2srv_keepalive_backend(req);
+
+	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
+		talloc_free(req);
+		return;
+	}
+	smb2srv_keepalive_send(req);
+}
diff --git a/source4/smb_server/smb2/negprot.c b/source4/smb_server/smb2/negprot.c
new file mode 100644
index 0000000..048d7b4
--- /dev/null
+++ b/source4/smb_server/smb2/negprot.c
@@ -0,0 +1,327 @@
+/* 
+   Unix SMB2 implementation.
+   
+   Copyright (C) Andrew Bartlett	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 "auth/credentials/credentials.h"
+#include "auth/auth.h"
+#include "auth/gensec/gensec.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "samba/service_stream.h"
+#include "param/param.h"
+
+static NTSTATUS smb2srv_negprot_secblob(struct smb2srv_request *req, DATA_BLOB *_blob)
+{
+	struct gensec_security *gensec_security;
+	DATA_BLOB null_data_blob = data_blob(NULL, 0);
+	DATA_BLOB blob;
+	NTSTATUS nt_status;
+	struct cli_credentials *server_credentials;
+
+	server_credentials =
+		cli_credentials_init_server(req, req->smb_conn->lp_ctx);
+	if (server_credentials == NULL) {
+		DBG_DEBUG("Failed to obtain server credentials, "
+			  "perhaps a standalone server?\n");
+		/*
+		 * Create anon server credentials for for the
+		 * spoolss.notify test.
+		 */
+		server_credentials = cli_credentials_init_anon(req);
+		if (server_credentials == NULL) {
+			smbsrv_terminate_connection(req->smb_conn,
+				"Failed to init server credentials\n");
+			return NT_STATUS_NO_MEMORY;
+		}
+	}
+
+	req->smb_conn->negotiate.server_credentials = talloc_steal(req->smb_conn, server_credentials);
+
+	nt_status = samba_server_gensec_start(req,
+					      req->smb_conn->connection->event.ctx,
+					      req->smb_conn->connection->msg_ctx,
+					      req->smb_conn->lp_ctx,
+					      server_credentials,
+					      "cifs",
+					      &gensec_security);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		DEBUG(0, ("Failed to start GENSEC: %s\n", nt_errstr(nt_status)));
+		smbsrv_terminate_connection(req->smb_conn, "Failed to start GENSEC\n");
+		return nt_status;
+	}
+
+	gensec_set_target_service(gensec_security, "cifs");
+
+	gensec_set_credentials(gensec_security, server_credentials);
+
+	nt_status = gensec_start_mech_by_oid(gensec_security, GENSEC_OID_SPNEGO);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		DEBUG(0, ("Failed to start SPNEGO: %s\n", nt_errstr(nt_status)));
+		smbsrv_terminate_connection(req->smb_conn, "Failed to start SPNEGO\n");
+		return nt_status;
+	}
+
+	nt_status = gensec_update(gensec_security, req,
+				  null_data_blob, &blob);
+	if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		DEBUG(0, ("Failed to get SPNEGO to give us the first token: %s\n", nt_errstr(nt_status)));
+		smbsrv_terminate_connection(req->smb_conn, "Failed to start SPNEGO - no first token\n");
+		return nt_status;
+	}
+
+	*_blob = blob;
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2_negprot *io)
+{
+	NTSTATUS status;
+	struct timeval current_time;
+	struct timeval boot_time;
+	uint16_t i;
+	uint16_t dialect = 0;
+	enum smb_signing_setting signing_setting;
+	struct loadparm_context *lp_ctx = req->smb_conn->lp_ctx;
+
+	/* we only do one dialect for now */
+	if (io->in.dialect_count < 1) {
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+	for (i=0; i < io->in.dialect_count; i++) {
+		dialect = io->in.dialects[i];
+		if (dialect == SMB2_DIALECT_REVISION_202) {
+			break;
+		}
+	}
+	if (dialect != SMB2_DIALECT_REVISION_202) {
+		DEBUG(0,("Got unexpected SMB2 dialect %u\n", dialect));
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	req->smb_conn->negotiate.protocol = PROTOCOL_SMB2_02;
+
+	current_time = timeval_current(); /* TODO: handle timezone?! */
+	boot_time = timeval_current(); /* TODO: fix me */
+
+	ZERO_STRUCT(io->out);
+
+	signing_setting = lpcfg_server_signing(lp_ctx);
+	if (signing_setting == SMB_SIGNING_DEFAULT) {
+		/*
+		 * If we are a domain controller, SMB signing is
+		 * really important, as it can prevent a number of
+		 * attacks on communications between us and the
+		 * clients
+		 *
+		 * However, it really sucks (no sendfile, CPU
+		 * overhead) performance-wise when used on a
+		 * file server, so disable it by default
+		 * on non-DCs
+		 */
+
+		if (lpcfg_server_role(lp_ctx) >= ROLE_ACTIVE_DIRECTORY_DC) {
+			signing_setting = SMB_SIGNING_REQUIRED;
+		} else {
+			signing_setting = SMB_SIGNING_OFF;
+		}
+	}
+
+	switch (signing_setting) {
+	case SMB_SIGNING_DEFAULT:
+	case SMB_SIGNING_IPC_DEFAULT:
+		smb_panic(__location__);
+		break;
+	case SMB_SIGNING_OFF:
+		io->out.security_mode = 0;
+		break;
+	case SMB_SIGNING_DESIRED:
+	case SMB_SIGNING_IF_REQUIRED:
+		io->out.security_mode = SMB2_NEGOTIATE_SIGNING_ENABLED;
+		break;
+	case SMB_SIGNING_REQUIRED:
+		io->out.security_mode = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED;
+		/* force signing on immediately */
+		req->smb_conn->smb2_signing_required = true;
+		break;
+	}
+	io->out.dialect_revision   = dialect;
+	io->out.capabilities       = 0;
+	io->out.max_transact_size  = lpcfg_parm_ulong(req->smb_conn->lp_ctx, NULL,
+						   "smb2", "max transaction size", 0x10000);
+	io->out.max_read_size      = lpcfg_parm_ulong(req->smb_conn->lp_ctx, NULL,
+						   "smb2", "max read size", 0x10000);
+	io->out.max_write_size     = lpcfg_parm_ulong(req->smb_conn->lp_ctx, NULL,
+						   "smb2", "max write size", 0x10000);
+	io->out.system_time	   = timeval_to_nttime(&current_time);
+	io->out.server_start_time  = timeval_to_nttime(&boot_time);
+	io->out.reserved2          = 0;
+	status = smb2srv_negprot_secblob(req, &io->out.secblob);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+}
+
+static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negprot *io)
+{
+	NTSTATUS status;
+
+	if (NT_STATUS_IS_ERR(req->status)) {
+		smb2srv_send_error(req, req->status); /* TODO: is this correct? */
+		return;
+	}
+
+	status = smb2srv_setup_reply(req, 0x40, true, io->out.secblob.length);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+
+	SSVAL(req->out.body, 0x02, io->out.security_mode);
+	SIVAL(req->out.body, 0x04, io->out.dialect_revision);
+	SIVAL(req->out.body, 0x06, io->out.reserved);
+	status = smbcli_push_guid(req->out.body, 0x08, &io->out.server_guid);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+	SIVAL(req->out.body, 0x18, io->out.capabilities);
+	SIVAL(req->out.body, 0x1C, io->out.max_transact_size);
+	SIVAL(req->out.body, 0x20, io->out.max_read_size);
+	SIVAL(req->out.body, 0x24, io->out.max_write_size);
+	push_nttime(req->out.body, 0x28, io->out.system_time);
+	push_nttime(req->out.body, 0x30, io->out.server_start_time);
+	SIVAL(req->out.body, 0x3C, io->out.reserved2);
+	status = smb2_push_o16s16_blob(&req->out, 0x38, io->out.secblob);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_negprot_recv(struct smb2srv_request *req)
+{
+	struct smb2_negprot *io;
+	int i;
+
+	if (req->in.body_size < 0x26) {
+		smbsrv_terminate_connection(req->smb_conn, "Bad body size in SMB2 negprot");
+		return;
+	}
+
+	io = talloc(req, struct smb2_negprot);
+	if (!io) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
+		talloc_free(req);
+		return;
+	}
+
+	io->in.dialect_count = SVAL(req->in.body, 0x02);
+	io->in.security_mode = SVAL(req->in.body, 0x04);
+	io->in.reserved      = SVAL(req->in.body, 0x06);
+	io->in.capabilities  = IVAL(req->in.body, 0x08);
+	req->status = smbcli_pull_guid(req->in.body, 0xC, &io->in.client_guid);
+	if (!NT_STATUS_IS_OK(req->status)) {
+		smbsrv_terminate_connection(req->smb_conn, "Bad GUID in SMB2 negprot");
+		talloc_free(req);
+		return;
+	}
+	io->in.start_time = smbcli_pull_nttime(req->in.body, 0x1C);
+
+	io->in.dialects = talloc_array(req, uint16_t, io->in.dialect_count);
+	if (io->in.dialects == NULL) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
+		talloc_free(req);
+		return;
+	}
+	for (i=0;i<io->in.dialect_count;i++) {
+		io->in.dialects[i] = SVAL(req->in.body, 0x24+i*2);
+	}
+
+	req->status = smb2srv_negprot_backend(req, io);
+
+	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
+		talloc_free(req);
+		return;
+	}
+	smb2srv_negprot_send(req, io);
+}
+
+/*
+ * reply to a SMB negprot request with dialect "SMB 2.002"
+ */
+void smb2srv_reply_smb_negprot(struct smbsrv_request *smb_req)
+{
+	struct smb2srv_request *req;
+	uint32_t body_fixed_size = 0x26;
+
+	req = talloc_zero(smb_req->smb_conn, struct smb2srv_request);
+	if (!req) goto nomem;
+	req->smb_conn		= smb_req->smb_conn;
+	req->request_time	= smb_req->request_time;
+	talloc_steal(req, smb_req);
+
+	req->in.size      = NBT_HDR_SIZE+SMB2_HDR_BODY+body_fixed_size;
+	req->in.allocated = req->in.size;
+	req->in.buffer    = talloc_array(req, uint8_t, req->in.allocated);
+	if (!req->in.buffer) goto nomem;
+	req->in.hdr       = req->in.buffer + NBT_HDR_SIZE;
+	req->in.body      = req->in.hdr + SMB2_HDR_BODY;
+	req->in.body_size = body_fixed_size;
+	req->in.dynamic   = NULL;
+
+	smb2srv_setup_bufinfo(req);
+
+	SIVAL(req->in.hdr, 0,				SMB2_MAGIC);
+	SSVAL(req->in.hdr, SMB2_HDR_LENGTH,		SMB2_HDR_BODY);
+	SSVAL(req->in.hdr, SMB2_HDR_EPOCH,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_STATUS,		0);
+	SSVAL(req->in.hdr, SMB2_HDR_OPCODE,		SMB2_OP_NEGPROT);
+	SSVAL(req->in.hdr, SMB2_HDR_CREDIT,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_FLAGS,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND,	0);
+	SBVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_PID,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_TID,		0);
+	SBVAL(req->in.hdr, SMB2_HDR_SESSION_ID,		0);
+	memset(req->in.hdr+SMB2_HDR_SIGNATURE, 0, 16);
+
+	/* this seems to be a bug, they use 0x24 but the length is 0x26 */
+	SSVAL(req->in.body, 0x00, 0x24);
+
+	SSVAL(req->in.body, 0x02, 1);
+	memset(req->in.body+0x04, 0, 32);
+	SSVAL(req->in.body, 0x24, SMB2_DIALECT_REVISION_202);
+
+	smb2srv_negprot_recv(req);
+	return;
+nomem:
+	smbsrv_terminate_connection(smb_req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
+	talloc_free(req);
+	return;
+}
diff --git a/source4/smb_server/smb2/receive.c b/source4/smb_server/smb2/receive.c
new file mode 100644
index 0000000..c4109bf
--- /dev/null
+++ b/source4/smb_server/smb2/receive.c
@@ -0,0 +1,710 @@
+/* 
+   Unix SMB2 implementation.
+   
+   Copyright (C) Andrew Tridgell	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/time.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "samba/service_stream.h"
+#include "lib/stream/packet.h"
+#include "ntvfs/ntvfs.h"
+#include "param/param.h"
+#include "auth/auth.h"
+
+
+/* fill in the bufinfo */
+void smb2srv_setup_bufinfo(struct smb2srv_request *req)
+{
+	req->in.bufinfo.mem_ctx    = req;
+	req->in.bufinfo.flags      = BUFINFO_FLAG_UNICODE | BUFINFO_FLAG_SMB2;
+	req->in.bufinfo.align_base = req->in.buffer;
+	if (req->in.dynamic) {
+		req->in.bufinfo.data       = req->in.dynamic;
+		req->in.bufinfo.data_size  = req->in.body_size - req->in.body_fixed;
+	} else {
+		req->in.bufinfo.data       = NULL;
+		req->in.bufinfo.data_size  = 0;
+	}
+}
+
+static int smb2srv_request_destructor(struct smb2srv_request *req)
+{
+	DLIST_REMOVE(req->smb_conn->requests2.list, req);
+	if (req->pending_id) {
+		idr_remove(req->smb_conn->requests2.idtree_req, req->pending_id);
+	}
+	return 0;
+}
+
+static int smb2srv_request_deny_destructor(struct smb2srv_request *req)
+{
+	return -1;
+}
+
+struct smb2srv_request *smb2srv_init_request(struct smbsrv_connection *smb_conn)
+{
+	struct smb2srv_request *req;
+
+	req = talloc_zero(smb_conn, struct smb2srv_request);
+	if (!req) return NULL;
+
+	req->smb_conn = smb_conn;
+
+	req->chained_session_id = UINT64_MAX;
+	req->chained_tree_id = UINT32_MAX;
+
+	talloc_set_destructor(req, smb2srv_request_destructor);
+
+	return req;
+}
+
+NTSTATUS smb2srv_setup_reply(struct smb2srv_request *req, uint16_t body_fixed_size,
+			     bool body_dynamic_present, uint32_t body_dynamic_size)
+{
+	uint32_t flags = IVAL(req->in.hdr, SMB2_HDR_FLAGS);
+	uint32_t pid = IVAL(req->in.hdr, SMB2_HDR_PID);
+	uint32_t tid = IVAL(req->in.hdr, SMB2_HDR_TID);
+	uint16_t credits = SVAL(req->in.hdr, SMB2_HDR_CREDIT);
+
+	if (credits == 0) {
+		credits = 1;
+	}
+
+	flags |= SMB2_HDR_FLAG_REDIRECT;
+
+	if (req->pending_id) {
+		flags |= SMB2_HDR_FLAG_ASYNC;
+		pid = req->pending_id;
+		tid = 0;
+		credits = 0;
+	}
+
+	if (body_dynamic_present) {
+		if (body_dynamic_size == 0) {
+			body_dynamic_size = 1;
+		}
+	} else {
+		body_dynamic_size = 0;
+	}
+
+	req->out.size		= SMB2_HDR_BODY+NBT_HDR_SIZE+body_fixed_size;
+
+	req->out.allocated	= req->out.size + body_dynamic_size;
+	req->out.buffer		= talloc_array(req, uint8_t, 
+					       req->out.allocated);
+	NT_STATUS_HAVE_NO_MEMORY(req->out.buffer);
+
+	req->out.hdr		= req->out.buffer	+ NBT_HDR_SIZE;
+	req->out.body		= req->out.hdr		+ SMB2_HDR_BODY;
+	req->out.body_fixed	= body_fixed_size;
+	req->out.body_size	= body_fixed_size;
+	req->out.dynamic	= (body_dynamic_size ? req->out.body + body_fixed_size : NULL);
+
+	SIVAL(req->out.hdr, 0,				SMB2_MAGIC);
+	SSVAL(req->out.hdr, SMB2_HDR_LENGTH,		SMB2_HDR_BODY);
+	SSVAL(req->out.hdr, SMB2_HDR_CREDIT_CHARGE,
+	      SVAL(req->in.hdr, SMB2_HDR_CREDIT_CHARGE));
+	SIVAL(req->out.hdr, SMB2_HDR_STATUS,		NT_STATUS_V(req->status));
+	SSVAL(req->out.hdr, SMB2_HDR_OPCODE,		SVAL(req->in.hdr, SMB2_HDR_OPCODE));
+	SSVAL(req->out.hdr, SMB2_HDR_CREDIT,		credits);
+	SIVAL(req->out.hdr, SMB2_HDR_FLAGS,		flags);
+	SIVAL(req->out.hdr, SMB2_HDR_NEXT_COMMAND,	0);
+	SBVAL(req->out.hdr, SMB2_HDR_MESSAGE_ID,	req->seqnum);
+	SIVAL(req->out.hdr, SMB2_HDR_PID,		pid);
+	SIVAL(req->out.hdr, SMB2_HDR_TID,		tid);
+	SBVAL(req->out.hdr, SMB2_HDR_SESSION_ID,	BVAL(req->in.hdr, SMB2_HDR_SESSION_ID));
+	memcpy(req->out.hdr+SMB2_HDR_SIGNATURE,
+	       req->in.hdr+SMB2_HDR_SIGNATURE, 16);
+
+	/* set the length of the fixed body part and +1 if there's a dynamic part also */
+	SSVAL(req->out.body, 0, body_fixed_size + (body_dynamic_size?1:0));
+
+	/* 
+	 * if we have a dynamic part, make sure the first byte
+	 * which is always be part of the packet is initialized
+	 */
+	if (body_dynamic_size) {
+		req->out.size += 1;
+		SCVAL(req->out.dynamic, 0, 0);
+	}
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS smb2srv_reply(struct smb2srv_request *req);
+
+static void smb2srv_chain_reply(struct smb2srv_request *p_req)
+{
+	NTSTATUS status;
+	struct smbsrv_connection *smb_conn = p_req->smb_conn;
+	struct smb2srv_request *req;
+	uint32_t chain_offset;
+	uint32_t protocol_version;
+	uint16_t buffer_code;
+	uint32_t dynamic_size;
+	uint32_t flags;
+	uint32_t last_hdr_offset;
+
+	last_hdr_offset = p_req->in.hdr - p_req->in.buffer;
+
+	chain_offset = p_req->chain_offset;
+	p_req->chain_offset = 0;
+
+	if (p_req->in.size < (last_hdr_offset + chain_offset + SMB2_MIN_SIZE_NO_BODY)) {
+		DEBUG(2,("Invalid SMB2 chained packet at offset 0x%X from last hdr 0x%X\n",
+			chain_offset, last_hdr_offset));
+		smbsrv_terminate_connection(smb_conn, "Invalid SMB2 chained packet");
+		return;
+	}
+
+	protocol_version = IVAL(p_req->in.buffer, last_hdr_offset + chain_offset);
+	if (protocol_version != SMB2_MAGIC) {
+		DEBUG(2,("Invalid SMB chained packet: protocol prefix: 0x%08X\n",
+			 protocol_version));
+		smbsrv_terminate_connection(smb_conn, "NON-SMB2 chained packet");
+		return;
+	}
+
+	req = smb2srv_init_request(smb_conn);
+	if (!req) {
+		smbsrv_terminate_connection(smb_conn, "SMB2 chained packet - no memory");
+		return;
+	}
+
+	talloc_steal(req, p_req);
+
+	req->in.buffer		= talloc_steal(req, p_req->in.buffer);
+	req->in.size		= p_req->in.size;
+	req->request_time	= p_req->request_time;
+	req->in.allocated	= req->in.size;
+
+	req->in.hdr		= req->in.buffer+ last_hdr_offset + chain_offset;
+	req->in.body		= req->in.hdr	+ SMB2_HDR_BODY;
+	req->in.body_size	= req->in.size	- (last_hdr_offset+ chain_offset + SMB2_HDR_BODY);
+	req->in.dynamic 	= NULL;
+
+	req->seqnum		= BVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID);
+
+	if (req->in.body_size < 2) {
+		/* error handling for this is different for negprot to 
+		   other packet types */
+		uint16_t opcode	= SVAL(req->in.hdr, SMB2_HDR_OPCODE);
+		if (opcode == SMB2_OP_NEGPROT) {
+			smbsrv_terminate_connection(smb_conn, "Bad body size in SMB2 negprot");
+			return;
+		} else {
+			smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+			return;
+		}
+	}
+
+	buffer_code		= SVAL(req->in.body, 0);
+	req->in.body_fixed	= (buffer_code & ~1);
+	dynamic_size		= req->in.body_size - req->in.body_fixed;
+
+	if (dynamic_size != 0 && (buffer_code & 1)) {
+		req->in.dynamic = req->in.body + req->in.body_fixed;
+		if (smb2_oob(&req->in, req->in.dynamic, dynamic_size)) {
+			DEBUG(1,("SMB2 chained request invalid dynamic size 0x%x\n", 
+				 dynamic_size));
+			smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+			return;
+		}
+	}
+
+	smb2srv_setup_bufinfo(req);
+
+	flags = IVAL(req->in.hdr, SMB2_HDR_FLAGS);
+	if (flags & SMB2_HDR_FLAG_CHAINED) {
+		if (p_req->chained_file_handle) {
+			memcpy(req->_chained_file_handle,
+			       p_req->_chained_file_handle,
+			       sizeof(req->_chained_file_handle));
+			req->chained_file_handle = req->_chained_file_handle;
+		}
+		req->chained_session_id = p_req->chained_session_id;
+		req->chained_tree_id = p_req->chained_tree_id;
+		req->chain_status = p_req->chain_status;
+	}
+
+	/* 
+	 * TODO: - make sure the length field is 64
+	 *       - make sure it's a request
+	 */
+
+	status = smb2srv_reply(req);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(smb_conn, nt_errstr(status));
+		return;
+	}
+}
+
+void smb2srv_send_reply(struct smb2srv_request *req)
+{
+	DATA_BLOB blob;
+	NTSTATUS status;
+
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* the socket has been destroyed - no point trying to send a reply! */
+		talloc_free(req);
+		return;
+	}
+
+	if (req->out.size > NBT_HDR_SIZE) {
+		_smb_setlen_tcp(req->out.buffer, req->out.size - NBT_HDR_SIZE);
+	}
+
+	/* if signing is active on the session then sign the packet */
+	if (req->is_signed) {
+		status = smb2_sign_message(&req->out, 
+					   req->session->session_info->session_key);
+		if (!NT_STATUS_IS_OK(status)) {
+			smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+			return;
+		}		
+	}
+
+
+	blob = data_blob_const(req->out.buffer, req->out.size);
+	status = packet_send(req->smb_conn->packet, blob);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		return;
+	}
+	if (req->chain_offset) {
+		smb2srv_chain_reply(req);
+		return;
+	}
+	talloc_free(req);
+}
+
+void smb2srv_send_error(struct smb2srv_request *req, NTSTATUS error)
+{
+	NTSTATUS status;
+
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* the socket has been destroyed - no point trying to send an error! */
+		talloc_free(req);
+		return;
+	}
+
+	status = smb2srv_setup_reply(req, 8, true, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+
+	SIVAL(req->out.hdr, SMB2_HDR_STATUS, NT_STATUS_V(error));
+
+	SSVAL(req->out.body, 0x02, 0);
+	SIVAL(req->out.body, 0x04, 0);
+
+	req->chain_status = NT_STATUS_INVALID_PARAMETER;
+
+	smb2srv_send_reply(req);
+}
+
+static NTSTATUS smb2srv_reply(struct smb2srv_request *req)
+{
+	uint16_t opcode;
+	uint32_t tid;
+	uint64_t uid;
+	uint32_t flags;
+
+	if (SVAL(req->in.hdr, SMB2_HDR_LENGTH) != SMB2_HDR_BODY) {
+		smbsrv_terminate_connection(req->smb_conn, "Invalid SMB2 header length");
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	opcode			= SVAL(req->in.hdr, SMB2_HDR_OPCODE);
+	req->chain_offset	= IVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND);
+	req->seqnum		= BVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID);
+	tid			= IVAL(req->in.hdr, SMB2_HDR_TID);
+	uid			= BVAL(req->in.hdr, SMB2_HDR_SESSION_ID);
+	flags			= IVAL(req->in.hdr, SMB2_HDR_FLAGS);
+
+	if (opcode != SMB2_OP_CANCEL &&
+	    req->smb_conn->highest_smb2_seqnum != 0 &&
+	    req->seqnum <= req->smb_conn->highest_smb2_seqnum) {
+		smbsrv_terminate_connection(req->smb_conn, "Invalid SMB2 sequence number");
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	if (opcode != SMB2_OP_CANCEL) {
+		req->smb_conn->highest_smb2_seqnum = req->seqnum;
+	}
+
+	if (flags & SMB2_HDR_FLAG_CHAINED) {
+		uid = req->chained_session_id;
+		tid = req->chained_tree_id;
+	}
+
+	req->session	= smbsrv_session_find(req->smb_conn, uid, req->request_time);
+	req->tcon	= smbsrv_smb2_tcon_find(req->session, tid, req->request_time);
+
+	req->chained_session_id = uid;
+	req->chained_tree_id = tid;
+
+	errno = 0;
+
+	/* supporting signing is mandatory in SMB2, and is per-packet. So we 
+	   should check the signature on any incoming packet that is signed, and 
+	   should give a signed reply to any signed request */
+	if (flags & SMB2_HDR_FLAG_SIGNED) {
+		NTSTATUS status;
+
+		if (!req->session) goto nosession;
+
+		req->is_signed = true;
+		status = smb2_check_signature(&req->in, 
+					      req->session->session_info->session_key);
+		if (!NT_STATUS_IS_OK(status)) {
+			smb2srv_send_error(req, status);
+			return NT_STATUS_OK;			
+		}
+	} else if (req->session && req->session->smb2_signing.active) {
+		/* we require signing and this request was not signed */
+		smb2srv_send_error(req, NT_STATUS_ACCESS_DENIED);
+		return NT_STATUS_OK;					
+	}
+
+	if (!NT_STATUS_IS_OK(req->chain_status)) {
+		smb2srv_send_error(req, req->chain_status);
+		return NT_STATUS_OK;
+	}
+
+	switch (opcode) {
+	case SMB2_OP_NEGPROT:
+		smb2srv_negprot_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_SESSSETUP:
+		smb2srv_sesssetup_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_LOGOFF:
+		if (!req->session) goto nosession;
+		smb2srv_logoff_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_TCON:
+		if (!req->session) goto nosession;
+		smb2srv_tcon_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_TDIS:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_tdis_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_CREATE:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_create_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_CLOSE:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_close_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_FLUSH:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_flush_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_READ:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_read_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_WRITE:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_write_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_LOCK:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_lock_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_IOCTL:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_ioctl_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_CANCEL:
+		smb2srv_cancel_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_KEEPALIVE:
+		smb2srv_keepalive_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_QUERY_DIRECTORY:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_find_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_NOTIFY:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_notify_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_GETINFO:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_getinfo_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_SETINFO:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_setinfo_recv(req);
+		return NT_STATUS_OK;
+	case SMB2_OP_BREAK:
+		if (!req->session) goto nosession;
+		if (!req->tcon)	goto notcon;
+		smb2srv_break_recv(req);
+		return NT_STATUS_OK;
+	}
+
+	DEBUG(1,("Invalid SMB2 opcode: 0x%04X\n", opcode));
+	smbsrv_terminate_connection(req->smb_conn, "Invalid SMB2 opcode");
+	return NT_STATUS_OK;
+
+nosession:
+	smb2srv_send_error(req, NT_STATUS_USER_SESSION_DELETED);
+	return NT_STATUS_OK;
+notcon:
+	smb2srv_send_error(req, NT_STATUS_NETWORK_NAME_DELETED);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS smbsrv_recv_smb2_request(void *private_data, DATA_BLOB blob)
+{
+	struct smbsrv_connection *smb_conn = talloc_get_type(private_data, struct smbsrv_connection);
+	struct smb2srv_request *req;
+	struct timeval cur_time = timeval_current();
+	uint32_t protocol_version;
+	uint16_t buffer_code;
+	uint32_t dynamic_size;
+	uint32_t flags;
+
+	smb_conn->statistics.last_request_time = cur_time;
+
+	/* see if its a special NBT packet */
+	if (CVAL(blob.data,0) != 0) {
+		DEBUG(2,("Special NBT packet on SMB2 connection"));
+		smbsrv_terminate_connection(smb_conn, "Special NBT packet on SMB2 connection");
+		return NT_STATUS_OK;
+	}
+
+	if (blob.length < (NBT_HDR_SIZE + SMB2_MIN_SIZE_NO_BODY)) {
+		DEBUG(2,("Invalid SMB2 packet length count %ld\n", (long)blob.length));
+		smbsrv_terminate_connection(smb_conn, "Invalid SMB2 packet");
+		return NT_STATUS_OK;
+	}
+
+	protocol_version = IVAL(blob.data, NBT_HDR_SIZE);
+	if (protocol_version != SMB2_MAGIC) {
+		DEBUG(2,("Invalid SMB packet: protocol prefix: 0x%08X\n",
+			 protocol_version));
+		smbsrv_terminate_connection(smb_conn, "NON-SMB2 packet");
+		return NT_STATUS_OK;
+	}
+
+	req = smb2srv_init_request(smb_conn);
+	NT_STATUS_HAVE_NO_MEMORY(req);
+
+	req->in.buffer		= talloc_steal(req, blob.data);
+	req->in.size		= blob.length;
+	req->request_time	= cur_time;
+	req->in.allocated	= req->in.size;
+
+	req->in.hdr		= req->in.buffer+ NBT_HDR_SIZE;
+	req->in.body		= req->in.hdr	+ SMB2_HDR_BODY;
+	req->in.body_size	= req->in.size	- (SMB2_HDR_BODY+NBT_HDR_SIZE);
+	req->in.dynamic 	= NULL;
+
+	req->seqnum		= BVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID);
+
+	if (req->in.body_size < 2) {
+		/* error handling for this is different for negprot to 
+		   other packet types */
+		uint16_t opcode	= SVAL(req->in.hdr, SMB2_HDR_OPCODE);
+		if (opcode == SMB2_OP_NEGPROT) {
+			smbsrv_terminate_connection(req->smb_conn, "Bad body size in SMB2 negprot");			
+			return NT_STATUS_OK;
+		} else {
+			smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+			return NT_STATUS_OK;
+		}
+	}
+
+	buffer_code		= SVAL(req->in.body, 0);
+	req->in.body_fixed	= (buffer_code & ~1);
+	dynamic_size		= req->in.body_size - req->in.body_fixed;
+
+	if (dynamic_size != 0 && (buffer_code & 1)) {
+		req->in.dynamic = req->in.body + req->in.body_fixed;
+		if (smb2_oob(&req->in, req->in.dynamic, dynamic_size)) {
+			DEBUG(1,("SMB2 request invalid dynamic size 0x%x\n", 
+				 dynamic_size));
+			smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+			return NT_STATUS_OK;
+		}
+	}
+
+	smb2srv_setup_bufinfo(req);
+
+	/* 
+	 * TODO: - make sure the length field is 64
+	 *       - make sure it's a request
+	 */
+
+	flags = IVAL(req->in.hdr, SMB2_HDR_FLAGS);
+	/* the first request should never have the related flag set */
+	if (flags & SMB2_HDR_FLAG_CHAINED) {
+		req->chain_status = NT_STATUS_INVALID_PARAMETER;
+	}
+
+	return smb2srv_reply(req);
+}
+
+static NTSTATUS smb2srv_init_pending(struct smbsrv_connection *smb_conn)
+{
+	smb_conn->requests2.idtree_req = idr_init(smb_conn);
+	NT_STATUS_HAVE_NO_MEMORY(smb_conn->requests2.idtree_req);
+	smb_conn->requests2.idtree_limit	= 0x00FFFFFF & (UINT32_MAX - 1);
+	smb_conn->requests2.list		= NULL;
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS smb2srv_queue_pending(struct smb2srv_request *req)
+{
+	NTSTATUS status;
+	bool signing_used = false;
+	int id;
+	uint16_t credits = SVAL(req->in.hdr, SMB2_HDR_CREDIT);
+
+	if (credits == 0) {
+		credits = 1;
+	}
+
+	if (req->pending_id) {
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	if (req->smb_conn->connection->event.fde == NULL) {
+		/* the socket has been destroyed - no point trying to send an error! */
+		return NT_STATUS_REMOTE_DISCONNECT;
+	}
+
+	id = idr_get_new_above(req->smb_conn->requests2.idtree_req, req, 
+			       1, req->smb_conn->requests2.idtree_limit);
+	if (id == -1) {
+		return NT_STATUS_INSUFFICIENT_RESOURCES;
+	}
+
+	DLIST_ADD_END(req->smb_conn->requests2.list, req);
+	req->pending_id = id;
+
+	talloc_set_destructor(req, smb2srv_request_deny_destructor);
+
+	status = smb2srv_setup_reply(req, 8, true, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	SIVAL(req->out.hdr, SMB2_HDR_STATUS, NT_STATUS_V(NT_STATUS_PENDING));
+	SSVAL(req->out.hdr, SMB2_HDR_CREDIT, credits);
+
+	SSVAL(req->out.body, 0x02, 0);
+	SIVAL(req->out.body, 0x04, 0);
+
+	/* if the real reply will be signed set the signed flags, but don't sign */
+	if (req->is_signed) {
+		SIVAL(req->out.hdr, SMB2_HDR_FLAGS, IVAL(req->out.hdr, SMB2_HDR_FLAGS) | SMB2_HDR_FLAG_SIGNED);
+		signing_used = req->is_signed;
+		req->is_signed = false;
+	}
+
+	smb2srv_send_reply(req);
+
+	req->is_signed = signing_used;
+
+	talloc_set_destructor(req, smb2srv_request_destructor);
+	return NT_STATUS_OK;
+}
+
+void smb2srv_cancel_recv(struct smb2srv_request *req)
+{
+	uint32_t pending_id;
+	uint32_t flags;
+	void *p;
+	struct smb2srv_request *r;
+
+	if (!req->session) goto done;
+
+	flags		= IVAL(req->in.hdr, SMB2_HDR_FLAGS);
+	pending_id	= IVAL(req->in.hdr, SMB2_HDR_PID);
+
+	if (!(flags & SMB2_HDR_FLAG_ASYNC)) {
+		/* TODO: what to do here? */
+		goto done;
+	}
+ 
+ 	p = idr_find(req->smb_conn->requests2.idtree_req, pending_id);
+	if (!p) goto done;
+
+	r = talloc_get_type(p, struct smb2srv_request);
+	if (!r) goto done;
+
+	if (!r->ntvfs) goto done;
+
+	ntvfs_cancel(r->ntvfs);
+
+done:
+	/* we never generate a reply for a SMB2 Cancel */
+	talloc_free(req);
+}
+
+/*
+ * init the SMB2 protocol related stuff
+ */
+NTSTATUS smbsrv_init_smb2_connection(struct smbsrv_connection *smb_conn)
+{
+	NTSTATUS status;
+
+	/* now initialise a few default values associated with this smb socket */
+	smb_conn->negotiate.max_send = 0xFFFF;
+
+	/* this is the size that w2k uses, and it appears to be important for
+	   good performance */
+	smb_conn->negotiate.max_recv = lpcfg_max_xmit(smb_conn->lp_ctx);
+
+	smb_conn->negotiate.zone_offset = get_time_zone(time(NULL));
+
+	smb_conn->config.nt_status_support = true;
+
+	status = smbsrv_init_sessions(smb_conn, UINT64_MAX);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = smb2srv_init_pending(smb_conn);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+	
+}
diff --git a/source4/smb_server/smb2/sesssetup.c b/source4/smb_server/smb2/sesssetup.c
new file mode 100644
index 0000000..a8c4560
--- /dev/null
+++ b/source4/smb_server/smb2/sesssetup.c
@@ -0,0 +1,326 @@
+/* 
+   Unix SMB2 implementation.
+   
+   Copyright (C) Andrew Bartlett	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 <tevent.h>
+#include "auth/gensec/gensec.h"
+#include "auth/auth.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "samba/service_stream.h"
+#include "lib/stream/packet.h"
+
+static void smb2srv_sesssetup_send(struct smb2srv_request *req, union smb_sesssetup *io)
+{
+	if (NT_STATUS_IS_OK(req->status)) {
+		/* nothing */
+	} else if (NT_STATUS_EQUAL(req->status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		/* nothing */
+	} else {
+		smb2srv_send_error(req, req->status);
+		return;
+	}
+
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, true, io->smb2.out.secblob.length));
+
+	SBVAL(req->out.hdr, SMB2_HDR_SESSION_ID,	io->smb2.out.uid);
+
+	SSVAL(req->out.body, 0x02, io->smb2.out.session_flags);
+	SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x04, io->smb2.out.secblob));
+
+	smb2srv_send_reply(req);
+}
+
+struct smb2srv_sesssetup_callback_ctx {
+	struct smb2srv_request *req;
+	union smb_sesssetup *io;
+	struct smbsrv_session *smb_sess;
+};
+
+static void smb2srv_sesssetup_callback(struct tevent_req *subreq)
+{
+	struct smb2srv_sesssetup_callback_ctx *ctx = tevent_req_callback_data(subreq,
+						     struct smb2srv_sesssetup_callback_ctx);
+	struct smb2srv_request *req = ctx->req;
+	union smb_sesssetup *io = ctx->io;
+	struct smbsrv_session *smb_sess = ctx->smb_sess;
+	struct auth_session_info *session_info = NULL;
+	enum security_user_level user_level;
+	NTSTATUS status;
+
+	packet_recv_enable(req->smb_conn->packet);
+
+	status = gensec_update_recv(subreq, req, &io->smb2.out.secblob);
+	TALLOC_FREE(subreq);
+	if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		goto done;
+	} else if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	status = gensec_session_info(smb_sess->gensec_ctx, smb_sess, &session_info);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	/* Ensure this is marked as a 'real' vuid, not one
+	 * simply valid for the session setup leg */
+	status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+	req->session = smb_sess;
+
+	user_level = security_session_user_level(smb_sess->session_info, NULL);
+	if (user_level >= SECURITY_USER) {
+		if (smb_sess->smb2_signing.required) {
+			/* activate smb2 signing on the session */
+			smb_sess->smb2_signing.active = true;
+		}
+		/* we need to sign the session setup response */
+		req->is_signed = true;
+	}
+
+done:
+	io->smb2.out.uid = smb_sess->vuid;
+failed:
+	req->status = nt_status_squash(status);
+	smb2srv_sesssetup_send(req, io);
+	if (!NT_STATUS_IS_OK(status) && !
+	    NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+		talloc_free(smb_sess);
+	}
+}
+
+static void smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb_sesssetup *io)
+{
+	NTSTATUS status;
+	struct smb2srv_sesssetup_callback_ctx *callback_ctx;
+	struct smbsrv_session *smb_sess = NULL;
+	uint64_t vuid;
+	struct tevent_req *subreq;
+
+	io->smb2.out.session_flags = 0;
+	io->smb2.out.uid	= 0;
+	io->smb2.out.secblob = data_blob(NULL, 0);
+
+	vuid = BVAL(req->in.hdr, SMB2_HDR_SESSION_ID);
+
+	/*
+	 * only when we got '0' we should allocate a new session
+	 */
+	if (vuid == 0) {
+		struct gensec_security *gensec_ctx;
+		struct tsocket_address *remote_address, *local_address;
+
+		status = samba_server_gensec_start(req,
+						   req->smb_conn->connection->event.ctx,
+						   req->smb_conn->connection->msg_ctx,
+						   req->smb_conn->lp_ctx,
+						   req->smb_conn->negotiate.server_credentials,
+						   "cifs",
+						   &gensec_ctx);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status)));
+			goto failed;
+		}
+
+		gensec_want_feature(gensec_ctx, GENSEC_FEATURE_SESSION_KEY);
+		gensec_want_feature(gensec_ctx, GENSEC_FEATURE_SMB_TRANSPORT);
+
+		remote_address = socket_get_remote_addr(req->smb_conn->connection->socket,
+							req);
+		if (!remote_address) {
+			status = NT_STATUS_INTERNAL_ERROR;
+			DBG_ERR("Failed to obtain remote address");
+			goto failed;
+		}
+
+		status = gensec_set_remote_address(gensec_ctx,
+						   remote_address);
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set remote address");
+			goto failed;
+		}
+
+		local_address = socket_get_local_addr(req->smb_conn->connection->socket,
+						      req);
+		if (!local_address) {
+			status = NT_STATUS_INTERNAL_ERROR;
+			DBG_ERR("Failed to obtain local address");
+			goto failed;
+		}
+
+		status = gensec_set_local_address(gensec_ctx,
+						  local_address);
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set local address");
+			goto failed;
+		}
+
+		status = gensec_set_target_service_description(gensec_ctx,
+							       "SMB2");
+
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_ERR("Failed to set service description");
+			goto failed;
+		}
+
+		status = gensec_start_mech_by_oid(gensec_ctx, GENSEC_OID_SPNEGO);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("Failed to start GENSEC SPNEGO server code: %s\n", nt_errstr(status)));
+			goto failed;
+		}
+
+		/* allocate a new session */
+		smb_sess = smbsrv_session_new(req->smb_conn, req->smb_conn, gensec_ctx);
+		if (!smb_sess) {
+			status = NT_STATUS_INSUFFICIENT_RESOURCES;
+			goto failed;
+		}
+		status = smbsrv_smb2_init_tcons(smb_sess);
+		if (!NT_STATUS_IS_OK(status)) {
+			goto failed;
+		}
+	} else {
+		/* lookup an existing session */
+		smb_sess = smbsrv_session_find_sesssetup(req->smb_conn, vuid);
+	}
+
+	if (!smb_sess) {
+		status = NT_STATUS_USER_SESSION_DELETED;
+		goto failed;
+	}
+
+	if (smb_sess->session_info) {
+		/* see WSPP test suite - test 11 */
+		status = NT_STATUS_REQUEST_NOT_ACCEPTED;
+		goto failed;
+	}
+
+	if (!smb_sess->gensec_ctx) {
+		status = NT_STATUS_INTERNAL_ERROR;
+		DEBUG(1, ("Internal ERROR: no gensec_ctx on session: %s\n", nt_errstr(status)));
+		goto failed;
+	}
+
+	callback_ctx = talloc(req, struct smb2srv_sesssetup_callback_ctx);
+	if (!callback_ctx) goto nomem;
+	callback_ctx->req	= req;
+	callback_ctx->io	= io;
+	callback_ctx->smb_sess	= smb_sess;
+
+	subreq = gensec_update_send(callback_ctx,
+				    req->smb_conn->connection->event.ctx,
+				    smb_sess->gensec_ctx,
+				    io->smb2.in.secblob);
+	if (!subreq) goto nomem;
+	tevent_req_set_callback(subreq, smb2srv_sesssetup_callback, callback_ctx);
+
+	/* note that we ignore SMB2_NEGOTIATE_SIGNING_ENABLED from the client.
+	   This is deliberate as windows does not set it even when it does 
+	   set SMB2_NEGOTIATE_SIGNING_REQUIRED */
+	if (io->smb2.in.security_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) {
+		smb_sess->smb2_signing.required = true;
+	}
+
+	/* disable receipt of more packets on this socket until we've
+	   finished with the session setup. This avoids a problem with
+	   crashes if we get EOF on the socket while processing a session
+	   setup */
+	packet_recv_disable(req->smb_conn->packet);
+
+	return;
+nomem:
+	status = NT_STATUS_NO_MEMORY;
+failed:
+	talloc_free(smb_sess);
+	req->status = nt_status_squash(status);
+	smb2srv_sesssetup_send(req, io);
+}
+
+void smb2srv_sesssetup_recv(struct smb2srv_request *req)
+{
+	union smb_sesssetup *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x18, true);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_sesssetup);
+
+	io->smb2.level		       = RAW_SESSSETUP_SMB2;
+	io->smb2.in.vc_number	       = CVAL(req->in.body, 0x02);
+	io->smb2.in.security_mode      = CVAL(req->in.body, 0x03);
+	io->smb2.in.capabilities       = IVAL(req->in.body, 0x04);
+	io->smb2.in.channel            = IVAL(req->in.body, 0x08);
+	io->smb2.in.previous_sessionid = BVAL(req->in.body, 0x10);
+	SMB2SRV_CHECK(smb2_pull_o16s16_blob(&req->in, io, req->in.body+0x0C, &io->smb2.in.secblob));
+
+	smb2srv_sesssetup_backend(req, io);
+}
+
+static int smb2srv_cleanup_session_destructor(struct smbsrv_session **session)
+{
+	/* TODO: call ntvfs backends to close file of this session */
+	DEBUG(0,("free session[%p]\n", *session));
+	talloc_free(*session);
+	return 0;
+}
+
+static NTSTATUS smb2srv_logoff_backend(struct smb2srv_request *req)
+{
+	struct smbsrv_session **session_ptr;
+
+	/* we need to destroy the session after sending the reply */
+	session_ptr = talloc(req, struct smbsrv_session *);
+	NT_STATUS_HAVE_NO_MEMORY(session_ptr);
+
+	*session_ptr = req->session;
+	talloc_set_destructor(session_ptr, smb2srv_cleanup_session_destructor);
+
+	return NT_STATUS_OK;
+}
+
+static void smb2srv_logoff_send(struct smb2srv_request *req)
+{
+	if (NT_STATUS_IS_ERR(req->status)) {
+		smb2srv_send_error(req, req->status);
+		return;
+	}
+
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x04, false, 0));
+
+	SSVAL(req->out.body, 0x02, 0);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_logoff_recv(struct smb2srv_request *req)
+{
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x04, false);
+
+	req->status = smb2srv_logoff_backend(req);
+
+	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
+		talloc_free(req);
+		return;
+	}
+	smb2srv_logoff_send(req);
+}
diff --git a/source4/smb_server/smb2/smb2_server.h b/source4/smb_server/smb2/smb2_server.h
new file mode 100644
index 0000000..5fe12fe
--- /dev/null
+++ b/source4/smb_server/smb2/smb2_server.h
@@ -0,0 +1,192 @@
+/* 
+   Unix SMB2 implementation.
+   
+   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/>.
+*/
+
+/* the context for a single SMB2 request. This is passed to any request-context 
+   functions */
+struct smb2srv_request {
+	/* the smbsrv_connection needs a list of requests queued for send */
+	struct smb2srv_request *next, *prev;
+
+	/* the server_context contains all context specific to this SMB socket */
+	struct smbsrv_connection *smb_conn;
+
+	/* conn is only set for operations that have a valid TID */
+	struct smbsrv_tcon *tcon;
+
+	/* the session context is derived from the vuid */
+	struct smbsrv_session *session;
+
+#define SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY (1<<0)
+	uint32_t control_flags;
+
+	/* the system time when the request arrived */
+	struct timeval request_time;
+
+	/* a pointer to the per request union smb_* io structure */
+	void *io_ptr;
+
+	/* the ntvfs_request */
+	struct ntvfs_request *ntvfs;
+
+	/* Now the SMB2 specific stuff */
+
+	/* the status the backend returned */
+	NTSTATUS status;
+
+	/* for matching request and reply */
+	uint64_t seqnum;
+
+	/* the id that can be used to cancel the request */
+	uint32_t pending_id;
+
+	/* the offset to the next SMB2 Header for chained requests */
+	uint32_t chain_offset;
+
+	/* the status we return for following chained requests */
+	NTSTATUS chain_status;
+
+	/* chained file handle */
+	uint8_t _chained_file_handle[16];
+	uint8_t *chained_file_handle;
+	uint64_t chained_session_id;
+	uint32_t chained_tree_id;
+
+	bool is_signed;
+
+	struct smb2_request_buffer in;
+	struct smb2_request_buffer out;
+};
+
+struct smbsrv_request;
+
+#include "smb_server/smb2/smb2_proto.h"
+
+/* useful way of catching field size errors with file and line number */
+#define SMB2SRV_CHECK_BODY_SIZE(req, size, dynamic) do { \
+	size_t is_size = req->in.body_size; \
+	uint16_t field_size; \
+	uint16_t want_size = ((dynamic)?(size)+1:(size)); \
+	if (is_size < (size)) { \
+		DEBUG(0,("%s: buffer too small 0x%x. Expected 0x%x\n", \
+			 __location__, (unsigned)is_size, (unsigned)want_size)); \
+		smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER); \
+		return; \
+	}\
+	field_size = SVAL(req->in.body, 0);       \
+	if (field_size != want_size) { \
+		DEBUG(0,("%s: unexpected fixed body size 0x%x. Expected 0x%x\n", \
+			 __location__, (unsigned)field_size, (unsigned)want_size)); \
+		smb2srv_send_error(req,  NT_STATUS_INVALID_PARAMETER); \
+		return; \
+	} \
+} while (0)
+
+#define SMB2SRV_CHECK(cmd) do {\
+	NTSTATUS _status; \
+	_status = cmd; \
+	if (!NT_STATUS_IS_OK(_status)) { \
+		smb2srv_send_error(req,  _status); \
+		return; \
+	} \
+} while (0)
+
+/* useful wrapper for talloc with NO_MEMORY reply */
+#define SMB2SRV_TALLOC_IO_PTR(ptr, type) do { \
+	ptr = talloc(req, type); \
+	if (!ptr) { \
+		smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
+		return; \
+	} \
+	req->io_ptr = ptr; \
+} while (0)
+
+#define SMB2SRV_SETUP_NTVFS_REQUEST(send_fn, state) do { \
+	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req, \
+					  req->session->session_info,\
+					  0, \
+					  req->request_time, \
+					  req, send_fn, state); \
+	if (!req->ntvfs) { \
+		smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
+		return; \
+	} \
+	(void)talloc_steal(req->tcon->ntvfs, req); \
+	req->ntvfs->frontend_data.private_data = req; \
+} while (0)
+
+#define SMB2SRV_CHECK_FILE_HANDLE(handle) do { \
+	if (!handle) { \
+		smb2srv_send_error(req, NT_STATUS_FILE_CLOSED); \
+		return; \
+	} \
+} while (0)
+
+/* 
+   check if the backend wants to handle the request asynchronously.
+   if it wants it handled synchronously then call the send function
+   immediately
+*/
+#define SMB2SRV_CALL_NTVFS_BACKEND(cmd) do { \
+	req->ntvfs->async_states->status = cmd; \
+	if (req->ntvfs->async_states->state & NTVFS_ASYNC_STATE_ASYNC) { \
+		NTSTATUS _status; \
+		_status = smb2srv_queue_pending(req); \
+		if (!NT_STATUS_IS_OK(_status)) { \
+			ntvfs_cancel(req->ntvfs); \
+		} \
+	} else { \
+		req->ntvfs->async_states->send_fn(req->ntvfs); \
+	} \
+} while (0)
+
+/* check req->ntvfs->async_states->status and if not OK then send an error reply */
+#define SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE do { \
+	req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
+	if (ntvfs->async_states->state & NTVFS_ASYNC_STATE_CLOSE || NT_STATUS_EQUAL(ntvfs->async_states->status, NT_STATUS_NET_WRITE_FAULT)) { \
+		smbsrv_terminate_connection(req->smb_conn, get_friendly_nt_error_msg (ntvfs->async_states->status)); \
+		talloc_free(req); \
+		return; \
+	} \
+	req->status = ntvfs->async_states->status; \
+	if (NT_STATUS_IS_ERR(ntvfs->async_states->status)) { \
+		smb2srv_send_error(req, ntvfs->async_states->status); \
+		return; \
+	} \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS_ERR(ptr, type) do { \
+	SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE; \
+	ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE do { \
+	req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
+	if (ntvfs->async_states->state & NTVFS_ASYNC_STATE_CLOSE || NT_STATUS_EQUAL(ntvfs->async_states->status, NT_STATUS_NET_WRITE_FAULT)) { \
+		smbsrv_terminate_connection(req->smb_conn, get_friendly_nt_error_msg (ntvfs->async_states->status)); \
+		talloc_free(req); \
+		return; \
+	} \
+	req->status = ntvfs->async_states->status; \
+	if (!NT_STATUS_IS_OK(ntvfs->async_states->status)) { \
+		smb2srv_send_error(req, ntvfs->async_states->status); \
+		return; \
+	} \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS(ptr, type) do { \
+	SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE; \
+	ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)
diff --git a/source4/smb_server/smb2/tcon.c b/source4/smb_server/smb2/tcon.c
new file mode 100644
index 0000000..0c56420
--- /dev/null
+++ b/source4/smb_server/smb2/tcon.c
@@ -0,0 +1,446 @@
+/* 
+   Unix SMB2 implementation.
+   
+   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 "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "samba/service_stream.h"
+#include "ntvfs/ntvfs.h"
+
+/*
+  send an oplock break request to a client
+*/
+static NTSTATUS smb2srv_send_oplock_break(void *p, struct ntvfs_handle *h, uint8_t level)
+{
+	struct smbsrv_handle *handle = talloc_get_type(h->frontend_data.private_data,
+						       struct smbsrv_handle);
+	struct smb2srv_request *req;
+	NTSTATUS status;
+
+	/* setup a dummy request structure */
+	req = smb2srv_init_request(handle->tcon->smb_conn);
+	NT_STATUS_HAVE_NO_MEMORY(req);
+
+	req->in.buffer		= talloc_array(req, uint8_t, 
+					       NBT_HDR_SIZE + SMB2_MIN_SIZE);
+	NT_STATUS_HAVE_NO_MEMORY(req->in.buffer);
+	req->in.size		= NBT_HDR_SIZE + SMB2_MIN_SIZE;
+	req->in.allocated	= req->in.size;
+
+	req->in.hdr		= req->in.buffer+ NBT_HDR_SIZE;
+	req->in.body		= req->in.hdr	+ SMB2_HDR_BODY;
+	req->in.body_size	= req->in.size	- (SMB2_HDR_BODY+NBT_HDR_SIZE);
+	req->in.dynamic 	= NULL;
+
+	req->seqnum		= UINT64_MAX;
+
+	smb2srv_setup_bufinfo(req);
+
+	SIVAL(req->in.hdr, 0,				SMB2_MAGIC);
+	SSVAL(req->in.hdr, SMB2_HDR_LENGTH,		SMB2_HDR_BODY);
+	SSVAL(req->in.hdr, SMB2_HDR_EPOCH,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_STATUS,		0);
+	SSVAL(req->in.hdr, SMB2_HDR_OPCODE,		SMB2_OP_BREAK);
+	SSVAL(req->in.hdr, SMB2_HDR_CREDIT,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_FLAGS,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND,	0);
+	SBVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_PID,		0);
+	SIVAL(req->in.hdr, SMB2_HDR_TID,		0);
+	SBVAL(req->in.hdr, SMB2_HDR_SESSION_ID,		0);
+	memset(req->in.hdr+SMB2_HDR_SIGNATURE, 0, 16);
+
+	SSVAL(req->in.body, 0, 2);
+
+	status = smb2srv_setup_reply(req, 0x18, false, 0);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	SSVAL(req->out.hdr, SMB2_HDR_CREDIT,	0x0000);
+
+	SSVAL(req->out.body, 0x02, 0x0001);
+	SIVAL(req->out.body, 0x04, 0x00000000);
+	smb2srv_push_handle(req->out.body, 0x08, h);
+
+	smb2srv_send_reply(req);
+
+	return NT_STATUS_OK;
+}
+
+struct ntvfs_handle *smb2srv_pull_handle(struct smb2srv_request *req, const uint8_t *base, unsigned int offset)
+{
+	struct smbsrv_tcon *tcon;
+	struct smbsrv_handle *handle;
+	uint32_t hid;
+	uint32_t tid;
+	uint64_t uid;
+
+	/*
+	 * if there're chained requests used the cached handle
+	 *
+	 * TODO: check if this also correct when the given handle
+	 *       isn't all 0xFF.
+	 */
+	if (req->chained_file_handle) {
+		base = req->chained_file_handle;
+		offset = 0;
+	}
+
+	hid = IVAL(base, offset);
+	tid = IVAL(base, offset + 4);
+	uid = BVAL(base, offset + 8);
+
+	/* if it's the wildcard handle, don't waste time to search it... */
+	if (hid == UINT32_MAX && tid == UINT32_MAX && uid == UINT64_MAX) {
+		return NULL;
+	}
+
+	/*
+	 * if the (v)uid part doesn't match the given session the handle isn't
+	 * valid
+	 */
+	if (uid != req->session->vuid) {
+		return NULL;
+	}
+
+	/*
+	 * the handle can belong to a different tcon
+	 * as that TID in the SMB2 header says, but
+	 * the request should succeed nevertheless!
+	 *
+	 * because of this we put the 32 bit TID into the
+	 * 128 bit handle, so that we can extract the tcon from the
+	 * handle
+	 */
+	tcon = req->tcon;
+	if (tid != req->tcon->tid) {
+		tcon = smbsrv_smb2_tcon_find(req->session, tid, req->request_time);
+		if (!tcon) {
+			return NULL;
+		}
+	}
+
+	handle = smbsrv_smb2_handle_find(tcon, hid, req->request_time);
+	if (!handle) {
+		return NULL;
+	}
+
+	/*
+	 * as the smb2srv_tcon is a child object of the smb2srv_session
+	 * the handle belongs to the correct session!
+	 *
+	 * Note: no check is needed here for SMB2
+	 */
+
+	/*
+	 * as the handle may have overwritten the tcon
+	 * we need to set it on the request so that the
+	 * correct ntvfs context will be used for the ntvfs_*() request
+	 *
+	 * TODO: check if that's correct for chained requests as well!
+	 */
+	req->tcon = tcon;
+	return handle->ntvfs;
+}
+
+void smb2srv_push_handle(uint8_t *base, unsigned int offset, struct ntvfs_handle *ntvfs)
+{
+	struct smbsrv_handle *handle = talloc_get_type(ntvfs->frontend_data.private_data,
+				       struct smbsrv_handle);
+
+	/* 
+	 * the handle is 128 bit on the wire
+	 */
+	SIVAL(base, offset,	handle->hid);
+	SIVAL(base, offset + 4,	handle->tcon->tid);
+	SBVAL(base, offset + 8,	handle->session->vuid);
+}
+
+static NTSTATUS smb2srv_handle_create_new(void *private_data, struct ntvfs_request *ntvfs, struct ntvfs_handle **_h)
+{
+	struct smb2srv_request *req = talloc_get_type(ntvfs->frontend_data.private_data,
+				      struct smb2srv_request);
+	struct smbsrv_handle *handle;
+	struct ntvfs_handle *h;
+
+	handle = smbsrv_handle_new(req->session, req->tcon, req, req->request_time);
+	if (!handle) return NT_STATUS_INSUFFICIENT_RESOURCES;
+
+	h = talloc_zero(handle, struct ntvfs_handle);
+	if (!h) goto nomem;
+
+	/* 
+	 * note: we don't set handle->ntvfs yet,
+	 *       this will be done by smbsrv_handle_make_valid()
+	 *       this makes sure the handle is invalid for clients
+	 *       until the ntvfs subsystem has made it valid
+	 */
+	h->ctx		= ntvfs->ctx;
+	h->session_info	= ntvfs->session_info;
+	h->smbpid	= ntvfs->smbpid;
+
+	h->frontend_data.private_data = handle;
+
+	*_h = h;
+	return NT_STATUS_OK;
+nomem:
+	talloc_free(handle);
+	return NT_STATUS_NO_MEMORY;
+}
+
+static NTSTATUS smb2srv_handle_make_valid(void *private_data, struct ntvfs_handle *h)
+{
+	struct smbsrv_tcon *tcon = talloc_get_type(private_data, struct smbsrv_tcon);
+	struct smbsrv_handle *handle = talloc_get_type(h->frontend_data.private_data,
+						       struct smbsrv_handle);
+	/* this tells the frontend that the handle is valid */
+	handle->ntvfs = h;
+	/* this moves the smbsrv_request to the smbsrv_tcon memory context */
+	talloc_steal(tcon, handle);
+	return NT_STATUS_OK;
+}
+
+static void smb2srv_handle_destroy(void *private_data, struct ntvfs_handle *h)
+{
+	struct smbsrv_handle *handle = talloc_get_type(h->frontend_data.private_data,
+						       struct smbsrv_handle);
+	talloc_free(handle);
+}
+
+static struct ntvfs_handle *smb2srv_handle_search_by_wire_key(void *private_data, struct ntvfs_request *ntvfs, const DATA_BLOB *key)
+{
+	return NULL;
+}
+
+static DATA_BLOB smb2srv_handle_get_wire_key(void *private_data, struct ntvfs_handle *handle, TALLOC_CTX *mem_ctx)
+{
+	return data_blob(NULL, 0);
+}
+
+static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon *io)
+{
+	struct smbsrv_tcon *tcon;
+	NTSTATUS status;
+	enum ntvfs_type type;
+	const char *service = io->smb2.in.path;
+	struct share_config *scfg;
+	char *sharetype;
+	uint64_t ntvfs_caps = 0;
+
+	if (strncmp(service, "\\\\", 2) == 0) {
+		const char *p = strchr(service+2, '\\');
+		if (p) {
+			service = p + 1;
+		}
+	}
+
+	status = share_get_config(req, req->smb_conn->share_context, service, &scfg);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("smb2srv_tcon_backend: couldn't find service %s\n", service));
+		return NT_STATUS_BAD_NETWORK_NAME;
+	}
+
+	if (!socket_check_access(req->smb_conn->connection->socket, 
+				 scfg->name, 
+				 share_string_list_option(req, scfg, SHARE_HOSTS_ALLOW), 
+				 share_string_list_option(req, scfg, SHARE_HOSTS_DENY))) {
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	/* work out what sort of connection this is */
+	sharetype = share_string_option(req, scfg, SHARE_TYPE, "DISK");
+	if (sharetype && strcmp(sharetype, "IPC") == 0) {
+		type = NTVFS_IPC;
+	} else if (sharetype && strcmp(sharetype, "PRINTER") == 0) {
+		type = NTVFS_PRINT;
+	} else {
+		type = NTVFS_DISK;
+	}
+	TALLOC_FREE(sharetype);
+
+	tcon = smbsrv_smb2_tcon_new(req->session, scfg->name);
+	if (!tcon) {
+		DEBUG(0,("smb2srv_tcon_backend: Couldn't find free connection.\n"));
+		return NT_STATUS_INSUFFICIENT_RESOURCES;
+	}
+	req->tcon = tcon;
+
+	ntvfs_caps = NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS;
+
+	/* init ntvfs function pointers */
+	status = ntvfs_init_connection(tcon, scfg, type,
+				       req->smb_conn->negotiate.protocol,
+				       ntvfs_caps,
+				       req->smb_conn->connection->event.ctx,
+				       req->smb_conn->connection->msg_ctx,
+				       req->smb_conn->lp_ctx,
+				       req->smb_conn->connection->server_id,
+				       &tcon->ntvfs);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("smb2srv_tcon_backend: ntvfs_init_connection failed for service %s\n", 
+			  scfg->name));
+		goto failed;
+	}
+
+	status = ntvfs_set_oplock_handler(tcon->ntvfs, smb2srv_send_oplock_break, tcon);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the oplock handler!\n"));
+		goto failed;
+	}
+
+	status = ntvfs_set_addresses(tcon->ntvfs,
+				     req->smb_conn->connection->local_address,
+				     req->smb_conn->connection->remote_address);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the address!\n"));
+		goto failed;
+	}
+
+	status = ntvfs_set_handle_callbacks(tcon->ntvfs,
+					    smb2srv_handle_create_new,
+					    smb2srv_handle_make_valid,
+					    smb2srv_handle_destroy,
+					    smb2srv_handle_search_by_wire_key,
+					    smb2srv_handle_get_wire_key,
+					    tcon);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the handle callbacks!\n"));
+		goto failed;
+	}
+
+	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req,
+					  req->session->session_info,
+					  SVAL(req->in.hdr, SMB2_HDR_PID),
+					  req->request_time,
+					  req, NULL, 0);
+	if (!req->ntvfs) {
+		status = NT_STATUS_NO_MEMORY;
+		goto failed;
+	}
+
+	io->smb2.out.share_type	  = (unsigned)type; /* 1 - DISK, 2 - Print, 3 - IPC */
+	io->smb2.out.reserved	  = 0;
+	io->smb2.out.flags	  = 0x00000000;
+	io->smb2.out.capabilities = 0;
+	io->smb2.out.access_mask  = SEC_RIGHTS_FILE_ALL;
+
+	io->smb2.out.tid	= tcon->tid;
+
+	/* Invoke NTVFS connection hook */
+	status = ntvfs_connect(req->ntvfs, io);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("smb2srv_tcon_backend: NTVFS ntvfs_connect() failed: %s!\n", nt_errstr(status)));
+		goto failed;
+	}
+
+	return NT_STATUS_OK;
+
+failed:
+	req->tcon = NULL;
+	talloc_free(tcon);
+	return status;
+}
+
+static void smb2srv_tcon_send(struct smb2srv_request *req, union smb_tcon *io)
+{
+	if (!NT_STATUS_IS_OK(req->status)) {
+		smb2srv_send_error(req, req->status);
+		return;
+	}
+
+	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x10, false, 0));
+
+	SIVAL(req->out.hdr,	SMB2_HDR_TID,	io->smb2.out.tid);
+
+	SCVAL(req->out.body,	0x02,		io->smb2.out.share_type);
+	SCVAL(req->out.body,	0x03,		io->smb2.out.reserved);
+	SIVAL(req->out.body,	0x04,		io->smb2.out.flags);
+	SIVAL(req->out.body,	0x08,		io->smb2.out.capabilities);
+	SIVAL(req->out.body,	0x0C,		io->smb2.out.access_mask);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_tcon_recv(struct smb2srv_request *req)
+{
+	union smb_tcon *io;
+
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x08, true);
+	SMB2SRV_TALLOC_IO_PTR(io, union smb_tcon);
+
+	io->smb2.level		= RAW_TCON_SMB2;
+	io->smb2.in.reserved	= SVAL(req->in.body, 0x02);
+	SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x04, &io->smb2.in.path));
+
+	/* the VFS backend does not yet handle NULL paths */
+	if (io->smb2.in.path == NULL) {
+		io->smb2.in.path = "";
+	}
+
+	req->status = smb2srv_tcon_backend(req, io);
+
+	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
+		talloc_free(req);
+		return;
+	}
+	smb2srv_tcon_send(req, io);
+}
+
+static NTSTATUS smb2srv_tdis_backend(struct smb2srv_request *req)
+{
+	/* TODO: call ntvfs backends to close file of this tcon */
+	talloc_free(req->tcon);
+	req->tcon = NULL;
+	return NT_STATUS_OK;
+}
+
+static void smb2srv_tdis_send(struct smb2srv_request *req)
+{
+	NTSTATUS status;
+
+	if (NT_STATUS_IS_ERR(req->status)) {
+		smb2srv_send_error(req, req->status);
+		return;
+	}
+
+	status = smb2srv_setup_reply(req, 0x04, false, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+		talloc_free(req);
+		return;
+	}
+
+	SSVAL(req->out.body, 0x02, 0);
+
+	smb2srv_send_reply(req);
+}
+
+void smb2srv_tdis_recv(struct smb2srv_request *req)
+{
+	SMB2SRV_CHECK_BODY_SIZE(req, 0x04, false);
+
+	req->status = smb2srv_tdis_backend(req);
+
+	if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
+		talloc_free(req);
+		return;
+	}
+	smb2srv_tdis_send(req);
+}
diff --git a/source4/smb_server/smb2/wscript_build b/source4/smb_server/smb2/wscript_build
new file mode 100644
index 0000000..7866ee9
--- /dev/null
+++ b/source4/smb_server/smb2/wscript_build
@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+
+bld.SAMBA_SUBSYSTEM('SMB2_PROTOCOL',
+	source='receive.c negprot.c sesssetup.c tcon.c fileio.c fileinfo.c find.c keepalive.c',
+	autoproto='smb2_proto.h',
+	public_deps='ntvfs LIBPACKET LIBCLI_SMB2 samba_server_gensec NDR_DFSBLOBS',
+	enabled=bld.CONFIG_SET('WITH_NTVFS_FILESERVER')
+	)
+
diff --git a/source4/smb_server/smb_server.c b/source4/smb_server/smb_server.c
new file mode 100644
index 0000000..c45df70
--- /dev/null
+++ b/source4/smb_server/smb_server.c
@@ -0,0 +1,203 @@
+/* 
+   Unix SMB/CIFS implementation.
+   process incoming packets - main loop
+   Copyright (C) Andrew Tridgell	2004-2005
+   Copyright (C) Stefan Metzmacher	2004-2005
+   
+   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 "samba/service_task.h"
+#include "samba/service_stream.h"
+#include "samba/service.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/service_smb_proto.h"
+#include "lib/messaging/irpc.h"
+#include "lib/stream/packet.h"
+#include "libcli/smb2/smb2.h"
+#include "smb_server/smb2/smb2_server.h"
+#include "system/network.h"
+#include "lib/socket/netif.h"
+#include "param/share.h"
+#include "dsdb/samdb/samdb.h"
+#include "param/param.h"
+
+static NTSTATUS smbsrv_recv_generic_request(void *private_data, DATA_BLOB blob)
+{
+	NTSTATUS status;
+	struct smbsrv_connection *smb_conn = talloc_get_type(private_data, struct smbsrv_connection);
+	uint32_t protocol_version;
+
+	/* see if its a special NBT packet */
+	if (CVAL(blob.data,0) != 0) {
+		status = smbsrv_init_smb_connection(smb_conn, smb_conn->lp_ctx);
+		NT_STATUS_NOT_OK_RETURN(status);
+		return smbsrv_recv_smb_request(smb_conn, blob);
+	}
+
+	if (blob.length < (NBT_HDR_SIZE + MIN_SMB_SIZE)) {
+		DEBUG(2,("Invalid SMB packet length count %ld\n", (long)blob.length));
+		smbsrv_terminate_connection(smb_conn, "Invalid SMB packet");
+		return NT_STATUS_OK;
+	}
+
+	protocol_version = IVAL(blob.data, NBT_HDR_SIZE);
+
+	switch (protocol_version) {
+	case SMB_MAGIC:
+		status = smbsrv_init_smb_connection(smb_conn, smb_conn->lp_ctx);
+		NT_STATUS_NOT_OK_RETURN(status);
+		packet_set_callback(smb_conn->packet, smbsrv_recv_smb_request);
+		return smbsrv_recv_smb_request(smb_conn, blob);
+	case SMB2_MAGIC:
+		if (lpcfg_server_max_protocol(smb_conn->lp_ctx) < PROTOCOL_SMB2_02) break;
+		status = smbsrv_init_smb2_connection(smb_conn);
+		NT_STATUS_NOT_OK_RETURN(status);
+		packet_set_callback(smb_conn->packet, smbsrv_recv_smb2_request);
+		return smbsrv_recv_smb2_request(smb_conn, blob);
+	}
+
+	DEBUG(2,("Invalid SMB packet: protocol prefix: 0x%08X\n", protocol_version));
+	smbsrv_terminate_connection(smb_conn, "NON-SMB packet");
+	return NT_STATUS_OK;
+}
+
+/*
+  close the socket and shutdown a server_context
+*/
+void smbsrv_terminate_connection(struct smbsrv_connection *smb_conn, const char *reason)
+{
+	stream_terminate_connection(smb_conn->connection, reason);
+}
+
+/*
+  called when a SMB socket becomes readable
+*/
+static void smbsrv_recv(struct stream_connection *conn, uint16_t flags)
+{
+	struct smbsrv_connection *smb_conn = talloc_get_type(conn->private_data,
+							     struct smbsrv_connection);
+
+	DEBUG(10,("smbsrv_recv\n"));
+
+	packet_recv(smb_conn->packet);
+}
+
+/*
+  called when a SMB socket becomes writable
+*/
+static void smbsrv_send(struct stream_connection *conn, uint16_t flags)
+{
+	struct smbsrv_connection *smb_conn = talloc_get_type(conn->private_data,
+							     struct smbsrv_connection);
+	packet_queue_run(smb_conn->packet);
+}
+
+/*
+  handle socket recv errors
+*/
+static void smbsrv_recv_error(void *private_data, NTSTATUS status)
+{
+	struct smbsrv_connection *smb_conn = talloc_get_type(private_data, struct smbsrv_connection);
+	
+	smbsrv_terminate_connection(smb_conn, nt_errstr(status));
+}
+
+/*
+  initialise a server_context from a open socket and register a event handler
+  for reading from that socket
+*/
+static void smbsrv_accept(struct stream_connection *conn)
+{
+	struct smbsrv_connection *smb_conn;
+
+	DEBUG(5,("smbsrv_accept\n"));
+
+	smb_conn = talloc_zero(conn, struct smbsrv_connection);
+	if (!smb_conn) {
+		stream_terminate_connection(conn, "out of memory");
+		return;
+	}
+
+	smb_conn->packet = packet_init(smb_conn);
+	if (!smb_conn->packet) {
+		smbsrv_terminate_connection(smb_conn, "out of memory");
+		return;
+	}
+	packet_set_private(smb_conn->packet, smb_conn);
+	packet_set_socket(smb_conn->packet, conn->socket);
+	packet_set_callback(smb_conn->packet, smbsrv_recv_generic_request);
+	packet_set_full_request(smb_conn->packet, packet_full_request_nbt);
+	packet_set_error_handler(smb_conn->packet, smbsrv_recv_error);
+	packet_set_event_context(smb_conn->packet, conn->event.ctx);
+	packet_set_fde(smb_conn->packet, conn->event.fde);
+	packet_set_serialise(smb_conn->packet);
+	packet_set_initial_read(smb_conn->packet, 4);
+
+	smb_conn->lp_ctx = conn->lp_ctx;
+	smb_conn->connection = conn;
+	conn->private_data = smb_conn;
+
+	smb_conn->statistics.connect_time = timeval_current();
+
+	smbsrv_management_init(smb_conn);
+
+	irpc_add_name(conn->msg_ctx, "smb_server");
+
+	if (!NT_STATUS_IS_OK(share_get_context(smb_conn,
+					       smb_conn->lp_ctx,
+					       &(smb_conn->share_context)))) {
+		smbsrv_terminate_connection(smb_conn, "share_init failed!");
+		return;
+	}
+}
+
+static const struct stream_server_ops smb_stream_ops = {
+	.name			= "smbsrv",
+	.accept_connection	= smbsrv_accept,
+	.recv_handler		= smbsrv_recv,
+	.send_handler		= smbsrv_send,
+};
+
+/*
+  setup a listening socket on all the SMB ports for a particular address
+*/
+_PUBLIC_ NTSTATUS smbsrv_add_socket(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *event_context,
+				    struct loadparm_context *lp_ctx,
+				    const struct model_ops *model_ops,
+				    const char *address,
+				    void *process_context)
+{
+	const char **ports = lpcfg_smb_ports(lp_ctx);
+	int i;
+	NTSTATUS status;
+
+	for (i=0;ports[i];i++) {
+		uint16_t port = atoi(ports[i]);
+		if (port == 0) continue;
+		status = stream_setup_socket(mem_ctx, event_context, lp_ctx,
+					     model_ops, &smb_stream_ops, 
+					     "ip", address, &port,
+					     lpcfg_socket_options(lp_ctx),
+					     NULL, process_context);
+		NT_STATUS_NOT_OK_RETURN(status);
+	}
+
+	return NT_STATUS_OK;
+}
+
+
+
diff --git a/source4/smb_server/smb_server.h b/source4/smb_server/smb_server.h
new file mode 100644
index 0000000..5ddfe78
--- /dev/null
+++ b/source4/smb_server/smb_server.h
@@ -0,0 +1,522 @@
+/* 
+   Unix SMB/CIFS implementation.
+   
+   Copyright (C) Andrew Tridgell              2003
+   Copyright (C) James J Myers 		      2003 <myersjj@samba.org>
+   Copyright (C) Stefan Metzmacher            2004-2005
+   
+   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 "libcli/raw/request.h"
+#include "libcli/raw/interfaces.h"
+#include "lib/socket/socket.h"
+#include "libds/common/roles.h"
+#include "../lib/util/dlinklist.h"
+#include "../librpc/gen_ndr/nbt.h"
+
+struct tevent_context;
+
+/*
+  this header declares the core context structures associated with smb
+  sockets, tree connects, requests etc
+
+  the idea is that we will eventually get rid of all our global
+  variables and instead store our state from structures hanging off
+  these basic elements
+*/
+
+struct smbsrv_tcons_context {
+	/* an id tree used to allocate tids */
+	struct idr_context *idtree_tid;
+
+	/* this is the limit of vuid values for this connection */
+	uint32_t idtree_limit;
+
+	/* list of open tree connects */
+	struct smbsrv_tcon *list;
+};
+
+struct smbsrv_sessions_context {
+	/* an id tree used to allocate vuids */
+	/* this holds info on session vuids that are already
+	 * validated for this VC */
+	struct idr_context *idtree_vuid;
+
+	/* this is the limit of vuid values for this connection */
+	uint64_t idtree_limit;
+
+	/* also kept as a link list so it can be enumerated by
+	   the management code */
+	struct smbsrv_session *list;
+};
+
+struct smbsrv_handles_context {
+	/* an id tree used to allocate file handles */
+	struct idr_context *idtree_hid;
+
+	/* this is the limit of handle values for this context */
+	uint64_t idtree_limit;
+
+	/* also kept as a link list so it can be enumerated by
+	   the management code */
+	struct smbsrv_handle *list;
+};
+
+/* the current user context for a request */
+struct smbsrv_session {
+	struct smbsrv_session *prev, *next;
+
+	struct smbsrv_connection *smb_conn;
+
+	/*
+	 * in SMB2 tcons belong to just one session
+	 * and not to the whole connection
+	 */
+	struct smbsrv_tcons_context smb2_tcons;
+
+	/*
+	 * the open file handles for this session,
+	 * used for SMBexit, SMBulogoff and SMB2 SessionLogoff
+	 */
+	struct smbsrv_handle_session_item *handles;
+
+	/* 
+	 * an index passed over the wire:
+	 * - 16 bit for smb
+	 * - 64 bit for smb2
+	 */
+	uint64_t vuid;
+
+	struct gensec_security *gensec_ctx;
+
+	struct auth_session_info *session_info;
+
+	struct {
+		bool required;
+		bool active;
+	} smb2_signing;
+
+	/* some statistics for the management tools */
+	struct {
+		/* the time when the session setup started */
+		struct timeval connect_time;
+		/* the time when the session setup was finished */
+		struct timeval auth_time;
+		/* the time when the last request comes in */
+		struct timeval last_request_time;
+	} statistics;
+};
+
+/* we need a forward declaration of the ntvfs_ops strucutre to prevent
+   include recursion */
+struct ntvfs_context;
+
+struct smbsrv_tcon {
+	struct smbsrv_tcon *next, *prev;
+
+	/* the server context that this was created on */
+	struct smbsrv_connection *smb_conn;
+
+	/* the open file handles on this tcon */
+	struct smbsrv_handles_context handles;
+
+	/* 
+	 * an index passed over the wire:
+	 * - 16 bit for smb
+	 * - 32 bit for smb2
+	 */
+	uint32_t tid; /* an index passed over the wire (the TID) */
+
+	/* the share name */
+	const char *share_name;
+
+	/* the NTVFS context - see source/ntvfs/ for details */
+	struct ntvfs_context *ntvfs;
+
+	/* some stuff to support share level security */
+	struct {
+		/* in share level security we need to fake up a session */
+		struct smbsrv_session *session;
+	} sec_share;
+
+	/* some stuff to support share level security */
+	struct {
+		/* in SMB2 a tcon always belongs to one session */
+		struct smbsrv_session *session;
+	} smb2;
+
+	/* some statistics for the management tools */
+	struct {
+		/* the time when the tree connect started */
+		struct timeval connect_time;
+		/* the time when the last request comes in */
+		struct timeval last_request_time;
+	} statistics;
+};
+
+struct smbsrv_handle {
+	struct smbsrv_handle *next, *prev;
+
+	/* the tcon the handle belongs to */
+	struct smbsrv_tcon *tcon;
+
+	/* the session the handle was opened on */
+	struct smbsrv_session *session;
+
+	/* the smbpid used on the open, used for SMBexit */
+	uint16_t smbpid;
+
+	/*
+	 * this is for adding the handle into a linked list
+	 * on the smbsrv_session, we can't use *next,*prev
+	 * for this because they're used for the linked list on the 
+	 * smbsrv_tcon
+	 */
+	struct smbsrv_handle_session_item {
+		struct smbsrv_handle_session_item *prev, *next;
+		struct smbsrv_handle *handle;
+	} session_item;
+
+	/*
+	 * the value passed over the wire
+	 * - 16 bit for smb
+	 * - 32 bit for smb2
+	 *   Note: for SMB2 handles are 128 bit
+	 *         we'll fill them with
+	 *	   - 32 bit HID
+	 *         - 32 bit TID
+	 *	   - 64 bit VUID
+	 */
+	uint32_t hid;
+
+	/*
+	 * the ntvfs handle passed to the ntvfs backend
+	 */
+	struct ntvfs_handle *ntvfs;
+
+	/* some statistics for the management tools */
+	struct {
+		/* the time when the tree connect started */
+		struct timeval open_time;
+		/* the time when the last request comes in */
+		struct timeval last_use_time;
+	} statistics;
+};
+
+/* a set of flags to control handling of request structures */
+#define SMBSRV_REQ_CONTROL_LARGE     (1<<1) /* allow replies larger than max_xmit */
+
+#define SMBSRV_REQ_DEFAULT_STR_FLAGS(req) (((req)->flags2 & FLAGS2_UNICODE_STRINGS) ? STR_UNICODE : STR_ASCII)
+
+/* the context for a single SMB request. This is passed to any request-context 
+   functions */
+struct smbsrv_request {
+	/* the smbsrv_connection needs a list of requests queued for send */
+	struct smbsrv_request *next, *prev;
+
+	/* the server_context contains all context specific to this SMB socket */
+	struct smbsrv_connection *smb_conn;
+
+	/* conn is only set for operations that have a valid TID */
+	struct smbsrv_tcon *tcon;
+
+	/* the session context is derived from the vuid */
+	struct smbsrv_session *session;
+
+	/* a set of flags to control usage of the request. See SMBSRV_REQ_CONTROL_* */
+	uint32_t control_flags;
+
+	/* the system time when the request arrived */
+	struct timeval request_time;
+
+	/* a pointer to the per request union smb_* io structure */
+	void *io_ptr;
+
+	/* the ntvfs_request */
+	struct ntvfs_request *ntvfs;
+
+	/* Now the SMB specific stuff */
+
+	/* the flags from the SMB request, in raw form (host byte order) */
+	uint16_t flags2;
+
+	/* this can contain a fnum from an earlier part of a chained
+	 * message (such as an SMBOpenX), or -1 */
+	int chained_fnum;
+
+	/* how far through the chain of SMB commands have we gone? */
+	unsigned chain_count;
+
+	/* the sequence number for signing */
+	uint64_t seq_num;
+
+	struct smb_request_buffer in;
+	struct smb_request_buffer out;
+};
+
+/* smb server context structure. This should contain all the state
+ * information associated with a SMB server connection 
+ */
+struct smbsrv_connection {
+	/* context that has been negotiated between the client and server */
+	struct {
+		/* have we already done the NBT session establishment? */
+		bool done_nbt_session;
+	
+		/* only one negprot per connection is allowed */
+		bool done_negprot;
+	
+		/* multiple session setups are allowed, but some parameters are
+		   ignored in any but the first */
+		bool done_sesssetup;
+		
+		/* 
+		 * Size of data we can send to client. Set
+		 *  by the client for all protocols above CORE.
+		 *  Set by us for CORE protocol.
+		 */
+		unsigned max_send; /* init to BUFFER_SIZE */
+	
+		/*
+		 * Size of the data we can receive. Set by us.
+		 * Can be modified by the max xmit parameter.
+		 */
+		unsigned max_recv; /* init to BUFFER_SIZE */
+	
+		/* the negotiatiated protocol */
+		enum protocol_types protocol;
+
+		/* authentication context for multi-part negprot */
+		struct auth4_context *auth_context;
+	
+		/* reference to the kerberos keytab, or machine trust account */
+		struct cli_credentials *server_credentials;
+	
+		/* did we tell the client we support encrypted passwords? */
+		bool encrypted_passwords;
+	
+		/* Did we choose SPNEGO, or perhaps raw NTLMSSP, or even no extended security at all? */
+		const char *oid;
+	
+		/* client capabilities */
+		uint32_t client_caps;
+	
+		/* the timezone we sent to the client */
+		int zone_offset;
+
+		/* NBT names only set when done_nbt_session is true */
+		struct nbt_name *called_name;
+		struct nbt_name *calling_name;
+	} negotiate;
+
+	/* the context associated with open tree connects on a smb socket, not for SMB2 */
+	struct smbsrv_tcons_context smb_tcons;
+
+	/* context associated with currently valid session setups */
+	struct smbsrv_sessions_context sessions;
+
+	/*
+	 * the server_context holds a linked list of pending requests,
+	 * this is used for finding the request structures on ntcancel requests
+	 * For SMB only
+	 */
+	struct smbsrv_request *requests;
+
+	/*
+	 * the server_context holds a linked list of pending requests,
+	 * and an idtree for finding the request structures on SMB2 Cancel
+	 * For SMB2 only
+	 */
+	struct {
+		/* an id tree used to allocate ids */
+		struct idr_context *idtree_req;
+
+		/* this is the limit of pending requests values for this connection */
+		uint32_t idtree_limit;
+
+		/* list of open tree connects */
+		struct smb2srv_request *list;
+	} requests2;
+
+	struct smb_signing_context signing;
+
+	struct stream_connection *connection;
+
+	/* this holds a partially received request */
+	struct packet_context *packet;
+
+	/* a list of partially received transaction requests */
+	struct smbsrv_trans_partial {
+		struct smbsrv_trans_partial *next, *prev;
+		struct smbsrv_request *req;
+		uint8_t command;
+		union {
+			struct smb_trans2 *trans;
+			struct smb_nttrans *nttrans;
+		} u;
+	} *trans_partial;
+
+	/* configuration parameters */
+	struct {
+		bool nt_status_support;
+	} config;
+
+	/* some statictics for the management tools */
+	struct {
+		/* the time when the client connects */
+		struct timeval connect_time;
+		/* the time when the last request comes in */
+		struct timeval last_request_time;
+	} statistics;
+
+	struct share_context *share_context;
+
+	struct loadparm_context *lp_ctx;
+
+	bool smb2_signing_required;
+
+	uint64_t highest_smb2_seqnum;
+};
+
+struct model_ops;
+struct loadparm_context;
+
+NTSTATUS smbsrv_add_socket(TALLOC_CTX *mem_ctx,
+			   struct tevent_context *event_context,
+			   struct loadparm_context *lp_ctx,
+			   const struct model_ops *model_ops,
+			   const char *address,
+			   void *process_context);
+
+struct loadparm_context;
+
+#include "smb_server/smb_server_proto.h"
+#include "smb_server/smb/smb_proto.h"
+
+/* useful way of catching wct errors with file and line number */
+#define SMBSRV_CHECK_WCT(req, wcount) do { \
+	if ((req)->in.wct != (wcount)) { \
+		DEBUG(1,("Unexpected WCT %u at %s(%d) - expected %d\n", \
+			 (req)->in.wct, __FILE__, __LINE__, wcount)); \
+		smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror)); \
+		return; \
+	} \
+} while (0)
+	
+/* useful wrapper for talloc with NO_MEMORY reply */
+#define SMBSRV_TALLOC_IO_PTR(ptr, type) do { \
+	ptr = talloc(req, type); \
+	if (!ptr) { \
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY); \
+		return; \
+	} \
+	req->io_ptr = ptr; \
+} while (0)
+
+#define SMBSRV_SETUP_NTVFS_REQUEST(send_fn, state) do { \
+	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req, \
+					  req->session->session_info,\
+					  SVAL(req->in.hdr,HDR_PID), \
+					  req->request_time, \
+					  req, send_fn, state); \
+	if (!req->ntvfs) { \
+		smbsrv_send_error(req, NT_STATUS_NO_MEMORY); \
+		return; \
+	} \
+	(void)talloc_steal(req->tcon->ntvfs, req); \
+	req->ntvfs->frontend_data.private_data = req; \
+} while (0)
+
+#define SMBSRV_CHECK_FILE_HANDLE(handle) do { \
+	if (!handle) { \
+		smbsrv_send_error(req, NT_STATUS_INVALID_HANDLE); \
+		return; \
+	} \
+} while (0)
+
+#define SMBSRV_CHECK_FILE_HANDLE_ERROR(handle, _status) do { \
+	if (!handle) { \
+		smbsrv_send_error(req, _status); \
+		return; \
+	} \
+} while (0)
+
+#define SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(handle) do { \
+	if (!handle) { \
+		return NT_STATUS_INVALID_HANDLE; \
+	} \
+} while (0)
+
+#define SMBSRV_CHECK(cmd) do {\
+	NTSTATUS _status; \
+	_status = cmd; \
+	if (!NT_STATUS_IS_OK(_status)) { \
+		smbsrv_send_error(req,  _status); \
+		return; \
+	} \
+} while (0)
+
+/* 
+   check if the backend wants to handle the request asynchronously.
+   if it wants it handled synchronously then call the send function
+   immediately
+*/
+#define SMBSRV_CALL_NTVFS_BACKEND(cmd) do { \
+	req->ntvfs->async_states->status = cmd; \
+	if (req->ntvfs->async_states->state & NTVFS_ASYNC_STATE_ASYNC) { \
+		DLIST_ADD_END(req->smb_conn->requests, req); \
+	} else { \
+		req->ntvfs->async_states->send_fn(req->ntvfs); \
+	} \
+} while (0)
+
+/* check req->ntvfs->async_states->status and if not OK then send an error reply */
+#define SMBSRV_CHECK_ASYNC_STATUS_ERR_SIMPLE do { \
+	req = talloc_get_type(ntvfs->async_states->private_data, struct smbsrv_request); \
+	if (ntvfs->async_states->state & NTVFS_ASYNC_STATE_CLOSE || NT_STATUS_EQUAL(ntvfs->async_states->status, NT_STATUS_NET_WRITE_FAULT)) { \
+		smbsrv_terminate_connection(req->smb_conn, get_friendly_nt_error_msg (ntvfs->async_states->status)); \
+		talloc_free(req); \
+		return; \
+	} \
+	if (NT_STATUS_IS_ERR(ntvfs->async_states->status)) { \
+		smbsrv_send_error(req, ntvfs->async_states->status); \
+		return; \
+	} \
+} while (0)
+#define SMBSRV_CHECK_ASYNC_STATUS_ERR(ptr, type) do { \
+	SMBSRV_CHECK_ASYNC_STATUS_ERR_SIMPLE; \
+	ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)
+#define SMBSRV_CHECK_ASYNC_STATUS_SIMPLE do { \
+	req = talloc_get_type(ntvfs->async_states->private_data, struct smbsrv_request); \
+	if (ntvfs->async_states->state & NTVFS_ASYNC_STATE_CLOSE || NT_STATUS_EQUAL(ntvfs->async_states->status, NT_STATUS_NET_WRITE_FAULT)) { \
+		smbsrv_terminate_connection(req->smb_conn, get_friendly_nt_error_msg (ntvfs->async_states->status)); \
+		talloc_free(req); \
+		return; \
+	} \
+	if (!NT_STATUS_IS_OK(ntvfs->async_states->status)) { \
+		smbsrv_send_error(req, ntvfs->async_states->status); \
+		return; \
+	} \
+} while (0)
+#define SMBSRV_CHECK_ASYNC_STATUS(ptr, type) do { \
+	SMBSRV_CHECK_ASYNC_STATUS_SIMPLE; \
+	ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)
+
+/* zero out some reserved fields in a reply */
+#define SMBSRV_VWV_RESERVED(start, count) memset(req->out.vwv + VWV(start), 0, (count)*2)
+
+#include "smb_server/service_smb_proto.h"