r15018: Merge Volker's ipc/trans2/nttrans changes over

into 3.0. Also merge the new POSIX lock code - this
is not enabled unless -DDEVELOPER is defined.
This doesn't yet map onto underlying system POSIX
locks. Updates vfs to allow lock queries.
Jeremy.

4 files changed, 124 insertions, 257 deletions

diff --git a/source/libsmb/clifile.c b/source/libsmb/clifile.c
index 443f5156653..80deb3a3320 100644
--- a/source/libsmb/clifile.c
+++ b/source/libsmb/clifile.c
@@ -816,6 +816,7 @@ BOOL cli_close(struct cli_state *cli, int fnum)
  send a lock with a specified locktype 
  this is used for testing LOCKING_ANDX_CANCEL_LOCK
 ****************************************************************************/
+
 NTSTATUS cli_locktype(struct cli_state *cli, int fnum, 
 		      uint32 offset, uint32 len, int timeout, unsigned char locktype)
 {
@@ -863,11 +864,11 @@ NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
 	return cli_nt_error(cli);
 }
 
-
 /****************************************************************************
  Lock a file.
  note that timeout is in units of 2 milliseconds
 ****************************************************************************/
+
 BOOL cli_lock(struct cli_state *cli, int fnum, 
 	      uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
 {
@@ -1068,6 +1069,108 @@ BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_
 	return True;
 }
 
+/****************************************************************************
+ Get/unlock a POSIX lock on a file - internal function.
+****************************************************************************/
+
+static BOOL cli_posix_lock_internal(struct cli_state *cli, int fnum, 
+		SMB_BIG_UINT offset, SMB_BIG_UINT len, BOOL wait_lock, enum brl_type lock_type)
+{
+	unsigned int param_len = 4;
+	unsigned int data_len = POSIX_LOCK_DATA_SIZE;
+	uint16 setup = TRANSACT2_SETFILEINFO;
+	char param[4];
+	unsigned char data[POSIX_LOCK_DATA_SIZE];
+	char *rparam=NULL, *rdata=NULL;
+	int saved_timeout = cli->timeout;
+
+	SSVAL(param,0,fnum);
+	SSVAL(param,2,SMB_SET_POSIX_LOCK);
+
+	switch (lock_type) {
+		case READ_LOCK:
+			SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_READ);
+			break;
+		case WRITE_LOCK:
+			SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_WRITE);
+			break;
+		case UNLOCK_LOCK:
+			SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
+			break;
+		default:
+			return False;
+	}
+
+	if (wait_lock) {
+		SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_WAIT);
+		cli->timeout = 0x7FFFFFFF;
+	} else {
+		SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_NOWAIT);
+	}
+
+	SIVAL(data, POSIX_LOCK_PID_OFFSET, cli->pid);
+	SOFF_T(data, POSIX_LOCK_START_OFFSET, offset);
+	SOFF_T(data, POSIX_LOCK_LEN_OFFSET, len);
+
+	if (!cli_send_trans(cli, SMBtrans2,
+				NULL,                        /* name */
+				-1, 0,                          /* fid, flags */
+				&setup, 1, 0,                   /* setup, length, max */
+				param, param_len, 2,            /* param, length, max */
+				(char *)&data,  data_len, cli->max_xmit /* data, length, max */
+				)) {
+		cli->timeout = saved_timeout;
+		return False;
+	}
+
+	if (!cli_receive_trans(cli, SMBtrans2,
+				&rparam, &param_len,
+				&rdata, &data_len)) {
+		cli->timeout = saved_timeout;
+		SAFE_FREE(rdata);
+		SAFE_FREE(rparam);
+		return False;
+	}
+
+	cli->timeout = saved_timeout;
+
+	SAFE_FREE(rdata);
+	SAFE_FREE(rparam);
+
+	return True;
+}
+
+/****************************************************************************
+ POSIX Lock a file.
+****************************************************************************/
+
+BOOL cli_posix_lock(struct cli_state *cli, int fnum,
+			SMB_BIG_UINT offset, SMB_BIG_UINT len,
+			BOOL wait_lock, enum brl_type lock_type)
+{
+	if (lock_type != READ_LOCK || lock_type != WRITE_LOCK) {
+		return False;
+	}
+	return cli_posix_lock_internal(cli, fnum, offset, len, wait_lock, lock_type);
+}
+
+/****************************************************************************
+ POSIX Unlock a file.
+****************************************************************************/
+
+BOOL cli_posix_unlock(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
+{
+	return cli_posix_lock_internal(cli, fnum, offset, len, False, UNLOCK_LOCK);
+}
+
+/****************************************************************************
+ POSIX Get any lock covering a file.
+****************************************************************************/
+
+BOOL cli_posix_getlock(struct cli_state *cli, int fnum, SMB_BIG_UINT *poffset, SMB_BIG_UINT *plen)
+{
+	return True;
+}
 
 /****************************************************************************
  Do a SMBgetattrE call.
diff --git a/source/libsmb/clitrans.c b/source/libsmb/clitrans.c
index 8296f7e94c1..082da67bb8b 100644
--- a/source/libsmb/clitrans.c
+++ b/source/libsmb/clitrans.c
@@ -153,7 +153,6 @@ BOOL cli_send_trans(struct cli_state *cli, int trans,
 	/* Note we're in a trans state. Save the sequence
 	 * numbers for replies. */
 
-	cli_signing_trans_start(cli, mid);
 	return(True);
 }
 
@@ -173,7 +172,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 	*data_len = *param_len = 0;
 
 	if (!cli_receive_smb(cli)) {
-		cli_signing_trans_stop(cli);
 		return False;
 	}
 
@@ -184,7 +182,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 		DEBUG(0,("Expected %s response, got command 0x%02x\n",
 			 trans==SMBtrans?"SMBtrans":"SMBtrans2", 
 			 CVAL(cli->inbuf,smb_com)));
-		cli_signing_trans_stop(cli);
 		return(False);
 	}
 
@@ -197,7 +194,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 	status = cli_nt_error(cli);
 	
 	if (NT_STATUS_IS_ERR(status) || NT_STATUS_EQUAL(status,STATUS_NO_MORE_FILES)) {
-		cli_signing_trans_stop(cli);
 		return False;
 	}
 
@@ -210,7 +206,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 		*data = SMB_REALLOC(*data,total_data);
 		if (!(*data)) {
 			DEBUG(0,("cli_receive_trans: failed to enlarge data buffer\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 	}
@@ -219,7 +214,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 		*param = SMB_REALLOC(*param,total_param);
 		if (!(*param)) {
 			DEBUG(0,("cli_receive_trans: failed to enlarge param buffer\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 	}
@@ -231,7 +225,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 		if (this_data + *data_len > total_data ||
 		    this_param + *param_len > total_param) {
 			DEBUG(1,("Data overflow in cli_receive_trans\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 
@@ -240,7 +233,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 				this_param + *param_len < this_param ||
 				this_param + *param_len < *param_len) {
 			DEBUG(1,("Data overflow in cli_receive_trans\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 
@@ -253,7 +245,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 					data_offset_out + this_data < data_offset_out ||
 					data_offset_out + this_data < this_data) {
 				DEBUG(1,("Data overflow in cli_receive_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 			if (data_offset_in > cli->bufsize ||
@@ -261,7 +252,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 					data_offset_in + this_data < data_offset_in ||
 					data_offset_in + this_data < this_data) {
 				DEBUG(1,("Data overflow in cli_receive_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 
@@ -276,7 +266,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 					param_offset_out + this_param < param_offset_out ||
 					param_offset_out + this_param < this_param) {
 				DEBUG(1,("Param overflow in cli_receive_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 			if (param_offset_in > cli->bufsize ||
@@ -284,7 +273,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 					param_offset_in + this_param < param_offset_in ||
 					param_offset_in + this_param < this_param) {
 				DEBUG(1,("Param overflow in cli_receive_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 
@@ -297,7 +285,6 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 			break;
 		
 		if (!cli_receive_smb(cli)) {
-			cli_signing_trans_stop(cli);
 			return False;	
 		}
 
@@ -308,11 +295,9 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 			DEBUG(0,("Expected %s response, got command 0x%02x\n",
 				 trans==SMBtrans?"SMBtrans":"SMBtrans2", 
 				 CVAL(cli->inbuf,smb_com)));
-			cli_signing_trans_stop(cli);
 			return(False);
 		}
 		if (NT_STATUS_IS_ERR(cli_nt_error(cli))) {
-			cli_signing_trans_stop(cli);
 			return(False);
 		}
 
@@ -326,8 +311,7 @@ BOOL cli_receive_trans(struct cli_state *cli,int trans,
 			break;
 		
 	}
-	
-	cli_signing_trans_stop(cli);
+
 	return(True);
 }
 
@@ -453,7 +437,6 @@ BOOL cli_send_nt_trans(struct cli_state *cli,
 	/* Note we're in a trans state. Save the sequence
 	 * numbers for replies. */
 
-	cli_signing_trans_start(cli, mid);
 	return(True);
 }
 
@@ -474,7 +457,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 	*data_len = *param_len = 0;
 
 	if (!cli_receive_smb(cli)) {
-		cli_signing_trans_stop(cli);
 		return False;
 	}
 
@@ -484,7 +466,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 	if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
 		DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
 			 CVAL(cli->inbuf,smb_com)));
-		cli_signing_trans_stop(cli);
 		return(False);
 	}
 
@@ -496,7 +477,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 	if (cli_is_dos_error(cli)) {
                 cli_dos_error(cli, &eclass, &ecode);
 		if (!(eclass == ERRDOS && ecode == ERRmoredata)) {
-			cli_signing_trans_stop(cli);
 			return(False);
 		}
 	}
@@ -507,7 +487,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 	if (cli_is_nt_error(cli)) {
 		if (!NT_STATUS_EQUAL(cli_nt_error(cli),
 				     NT_STATUS_BUFFER_TOO_SMALL)) {
-			cli_signing_trans_stop(cli);
 			return(False);
 		}
 	}
@@ -521,7 +500,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		*data = SMB_REALLOC(*data,total_data);
 		if (!(*data)) {
 			DEBUG(0,("cli_receive_nt_trans: failed to enlarge data buffer to %d\n",total_data));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 	}
@@ -530,7 +508,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		*param = SMB_REALLOC(*param,total_param);
 		if (!(*param)) {
 			DEBUG(0,("cli_receive_nt_trans: failed to enlarge param buffer to %d\n", total_param));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 	}
@@ -542,7 +519,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		if (this_data + *data_len > total_data ||
 		    this_param + *param_len > total_param) {
 			DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 
@@ -551,7 +527,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 				this_param + *param_len < this_param ||
 				this_param + *param_len < *param_len) {
 			DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 
@@ -564,7 +539,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 					data_offset_out + this_data < data_offset_out ||
 					data_offset_out + this_data < this_data) {
 				DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 			if (data_offset_in > cli->bufsize ||
@@ -572,7 +546,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 					data_offset_in + this_data < data_offset_in ||
 					data_offset_in + this_data < this_data) {
 				DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 
@@ -588,7 +561,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 					param_offset_out + this_param < param_offset_out ||
 					param_offset_out + this_param < this_param) {
 				DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 			if (param_offset_in > cli->bufsize ||
@@ -596,7 +568,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 					param_offset_in + this_param < param_offset_in ||
 					param_offset_in + this_param < this_param) {
 				DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
-				cli_signing_trans_stop(cli);
 				return False;
 			}
 
@@ -610,7 +581,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 			break;
 		
 		if (!cli_receive_smb(cli)) {
-			cli_signing_trans_stop(cli);
 			return False;
 		}
 
@@ -620,13 +590,11 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
 			DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
 				 CVAL(cli->inbuf,smb_com)));
-			cli_signing_trans_stop(cli);
 			return(False);
 		}
 		if (cli_is_dos_error(cli)) {
                         cli_dos_error(cli, &eclass, &ecode);
 			if(!(eclass == ERRDOS && ecode == ERRmoredata)) {
-				cli_signing_trans_stop(cli);
 				return(False);
 			}
 		}
@@ -636,7 +604,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		if (cli_is_nt_error(cli)) {
 			if (!NT_STATUS_EQUAL(cli_nt_error(cli),
 					     NT_STATUS_BUFFER_TOO_SMALL)) {
-				cli_signing_trans_stop(cli);
 				return(False);
 			}
 		}
@@ -650,7 +617,6 @@ BOOL cli_receive_nt_trans(struct cli_state *cli,
 		if (total_data <= *data_len && total_param <= *param_len)
 			break;
 	}
-	
-	cli_signing_trans_stop(cli);
+
 	return(True);
 }
diff --git a/source/libsmb/errormap.c b/source/libsmb/errormap.c
index f6b5af068a5..b3caa0a80ce 100644
--- a/source/libsmb/errormap.c
+++ b/source/libsmb/errormap.c
@@ -407,7 +407,7 @@ static const struct {
 	{ERRHRD,	ERRgeneral,	NT_STATUS_APP_INIT_FAILURE},
 	{ERRHRD,	ERRgeneral,	NT_STATUS_PAGEFILE_CREATE_FAILED},
 	{ERRHRD,	ERRgeneral,	NT_STATUS_NO_PAGEFILE},
-	{ERRDOS,	124,	NT_STATUS_INVALID_LEVEL},
+	{ERRDOS,	ERRunknownlevel,	NT_STATUS_INVALID_LEVEL},
 	{ERRDOS,	86,	NT_STATUS_WRONG_PASSWORD_CORE},
 	{ERRHRD,	ERRgeneral,	NT_STATUS_ILLEGAL_FLOAT_CONTEXT},
 	{ERRDOS,	109,	NT_STATUS_PIPE_BROKEN},
@@ -680,7 +680,7 @@ static const struct {
 	{ERRDOS,	121,	NT_STATUS_IO_TIMEOUT},
 	{ERRDOS,	122,	NT_STATUS_BUFFER_TOO_SMALL},
 	{ERRDOS,	ERRinvalidname,	NT_STATUS_OBJECT_NAME_INVALID},
-	{ERRDOS,	124,	NT_STATUS_INVALID_LEVEL},
+	{ERRDOS,	ERRunknownlevel,	NT_STATUS_INVALID_LEVEL},
 	{ERRDOS,	126,	NT_STATUS_DLL_NOT_FOUND},
 	{ERRDOS,	127,	NT_STATUS_PROCEDURE_NOT_FOUND},
 	{ERRDOS,	145,	NT_STATUS_DIRECTORY_NOT_EMPTY},
diff --git a/source/libsmb/smb_signing.c b/source/libsmb/smb_signing.c
index 52e4b1d04c5..4ff74ca464c 100644
--- a/source/libsmb/smb_signing.c
+++ b/source/libsmb/smb_signing.c
@@ -28,17 +28,9 @@ struct outstanding_packet_lookup {
 	struct outstanding_packet_lookup *prev, *next;
 };
 
-/* Store the data for an ongoing trans/trans2/nttrans operation. */
-struct trans_info_context {
-	uint16 mid;
-	uint32 send_seq_num;
-	uint32 reply_seq_num;
-};
-
 struct smb_basic_signing_context {
 	DATA_BLOB mac_key;
 	uint32 send_seq_num;
-	struct trans_info_context *trans_info;
 	struct outstanding_packet_lookup *outstanding_packet_list;
 };
 
@@ -315,7 +307,6 @@ static void client_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 {
 	unsigned char calc_md5_mac[16];
 	struct smb_basic_signing_context *data = si->signing_context;
-	uint32 send_seq_num;
 
 	if (!si->doing_signing)
 		return;
@@ -330,12 +321,8 @@ static void client_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 	/* mark the packet as signed - BEFORE we sign it...*/
 	mark_packet_signed(outbuf);
 
-	if (data->trans_info)
-		send_seq_num = data->trans_info->send_seq_num;
-	else
-		send_seq_num = data->send_seq_num;
-
-	simple_packet_signature(data, (const unsigned char *)outbuf, send_seq_num, calc_md5_mac);
+	simple_packet_signature(data, (const unsigned char *)outbuf,
+				data->send_seq_num, calc_md5_mac);
 
 	DEBUG(10, ("client_sign_outgoing_message: sent SMB signature of\n"));
 	dump_data(10, (const char *)calc_md5_mac, 8);
@@ -345,13 +332,7 @@ static void client_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 /*	cli->outbuf[smb_ss_field+2]=0; 
 	Uncomment this to test if the remote server actually verifies signatures...*/
 
-	if (data->trans_info)
-		return;
-
-	data->send_seq_num++;
-	store_sequence_for_reply(&data->outstanding_packet_list, 
-				 SVAL(outbuf,smb_mid), data->send_seq_num);
-	data->send_seq_num++;
+	data->send_seq_num += 2;
 }
 
 /***********************************************************
@@ -362,7 +343,6 @@ static BOOL client_check_incoming_message(char *inbuf, struct smb_sign_info *si,
 {
 	BOOL good;
 	uint32 reply_seq_number;
-	uint32 saved_seq;
 	unsigned char calc_md5_mac[16];
 	unsigned char *server_sent_mac;
 
@@ -376,17 +356,9 @@ static BOOL client_check_incoming_message(char *inbuf, struct smb_sign_info *si,
 		return False;
 	}
 
-	if (data->trans_info) {
-		reply_seq_number = data->trans_info->reply_seq_num;
-	} else if (!get_sequence_for_reply(&data->outstanding_packet_list, 
-				    SVAL(inbuf, smb_mid), &reply_seq_number)) {
-		DEBUG(1, ("client_check_incoming_message: failed to get sequence number %u for reply.\n",
-					(unsigned int) SVAL(inbuf, smb_mid) ));
-		return False;
-	}
-
-	saved_seq = reply_seq_number;
-	simple_packet_signature(data, (const unsigned char *)inbuf, reply_seq_number, calc_md5_mac);
+	reply_seq_number = data->send_seq_num - 1;
+	simple_packet_signature(data, (const unsigned char *)inbuf,
+				reply_seq_number, calc_md5_mac);
 
 	server_sent_mac = (unsigned char *)&inbuf[smb_ss_field];
 	good = (memcmp(server_sent_mac, calc_md5_mac, 8) == 0);
@@ -400,12 +372,11 @@ static BOOL client_check_incoming_message(char *inbuf, struct smb_sign_info *si,
 #if 1 /* JRATEST */
 		{
 			int i;
-			reply_seq_number -= 5;
-			for (i = 0; i < 10; i++, reply_seq_number++) {
-				simple_packet_signature(data, (const unsigned char *)inbuf, reply_seq_number, calc_md5_mac);
+			for (i = -5; i < 5; i++) {
+				simple_packet_signature(data, (const unsigned char *)inbuf, reply_seq_number+i, calc_md5_mac);
 				if (memcmp(server_sent_mac, calc_md5_mac, 8) == 0) {
 					DEBUG(0,("client_check_incoming_message: out of seq. seq num %u matches. \
-We were expecting seq %u\n", reply_seq_number, saved_seq ));
+We were expecting seq %u\n", reply_seq_number+i, reply_seq_number ));
 					break;
 				}
 			}
@@ -416,7 +387,7 @@ We were expecting seq %u\n", reply_seq_number, saved_seq ));
 		DEBUG(10, ("client_check_incoming_message: seq %u: got good SMB signature of\n", (unsigned int)reply_seq_number));
 		dump_data(10, (const char *)server_sent_mac, 8);
 	}
-	return signing_good(inbuf, si, good, saved_seq, must_be_ok);
+	return signing_good(inbuf, si, good, reply_seq_number, must_be_ok);
 }
 
 /***********************************************************
@@ -437,10 +408,6 @@ static void simple_free_signing_context(struct smb_sign_info *si)
 
 	data_blob_free(&data->mac_key);
 
-	if (data->trans_info) {
-		SAFE_FREE(data->trans_info);
-	}
-
 	SAFE_FREE(si->signing_context);
 
 	return;
@@ -503,65 +470,6 @@ BOOL cli_simple_set_signing(struct cli_state *cli,
 }
 
 /***********************************************************
- Tell client code we are in a multiple trans reply state.
- We call this after the last outgoing trans2 packet (which
- has incremented the sequence numbers), so we must save the
- current mid and sequence number -2.
-************************************************************/
-
-void cli_signing_trans_start(struct cli_state *cli, uint16 mid)
-{
-	struct smb_basic_signing_context *data = cli->sign_info.signing_context;
-	uint32 reply_seq_num;
-
-	if (!cli->sign_info.doing_signing || !data)
-		return;
-
-	data->trans_info = SMB_XMALLOC_P(struct trans_info_context);
-	ZERO_STRUCTP(data->trans_info);
-
-	/* This ensures the sequence is pulled off the outstanding packet list */
-	if (!get_sequence_for_reply(&data->outstanding_packet_list, 
-				    mid, &reply_seq_num)) {
-		DEBUG(1, ("get_sequence_for_reply failed - did we enter the trans signing state without sending a packet?\n")); 
-	    return;
-	}
-
-	data->trans_info->send_seq_num = reply_seq_num - 1;
-	data->trans_info->mid = mid;
-	data->trans_info->reply_seq_num = reply_seq_num;
-
-	DEBUG(10,("cli_signing_trans_start: storing mid = %u, reply_seq_num = %u, send_seq_num = %u \
-data->send_seq_num = %u\n",
-			(unsigned int)data->trans_info->mid,
-			(unsigned int)data->trans_info->reply_seq_num,
-			(unsigned int)data->trans_info->send_seq_num,
-			(unsigned int)data->send_seq_num ));
-}
-
-/***********************************************************
- Tell client code we are out of a multiple trans reply state.
-************************************************************/
-
-void cli_signing_trans_stop(struct cli_state *cli)
-{
-	struct smb_basic_signing_context *data = cli->sign_info.signing_context;
-
-	if (!cli->sign_info.doing_signing || !data)
-		return;
-
-	DEBUG(10,("cli_signing_trans_stop: freeing mid = %u, reply_seq_num = %u, send_seq_num = %u \
-data->send_seq_num = %u\n",
-			(unsigned int)data->trans_info->mid,
-			(unsigned int)data->trans_info->reply_seq_num,
-			(unsigned int)data->trans_info->send_seq_num,
-			(unsigned int)data->send_seq_num ));
-
-	SAFE_FREE(data->trans_info);
-	data->trans_info = NULL;
-}
-
-/***********************************************************
  SMB signing - TEMP implementation - calculate a MAC to send.
 ************************************************************/
 
@@ -659,8 +567,7 @@ static void srv_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 {
 	unsigned char calc_md5_mac[16];
 	struct smb_basic_signing_context *data = si->signing_context;
-	uint32 send_seq_number = data->send_seq_num;
-	BOOL was_deferred_packet = False;
+	uint32 send_seq_number = data->send_seq_num-1;
 	uint16 mid;
 
 	if (!si->doing_signing) {
@@ -680,13 +587,7 @@ static void srv_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 	mid = SVAL(outbuf, smb_mid);
 
 	/* See if this is a reply for a deferred packet. */
-	was_deferred_packet = get_sequence_for_reply(&data->outstanding_packet_list, mid, &send_seq_number);
-
-	if (data->trans_info && (data->trans_info->mid == mid)) {
-		/* This is a reply in a trans stream. Use the sequence
-		 * number associated with the stream mid. */
-		send_seq_number = data->trans_info->send_seq_num;
-	}
+	get_sequence_for_reply(&data->outstanding_packet_list, mid, &send_seq_number);
 
 	simple_packet_signature(data, (const unsigned char *)outbuf, send_seq_number, calc_md5_mac);
 
@@ -697,36 +598,6 @@ static void srv_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
 
 /*	cli->outbuf[smb_ss_field+2]=0; 
 	Uncomment this to test if the remote client actually verifies signatures...*/
-
-	/* Don't mess with the sequence number for a deferred packet. */
-	if (was_deferred_packet) {
-		return;
-	}
-
-	if (!data->trans_info) {
-		/* Always increment if not in a trans stream. */
-		data->send_seq_num++;
-	} else if ((data->trans_info->send_seq_num == data->send_seq_num) || (data->trans_info->mid != mid)) {
-		/* Increment if this is the first reply in a trans stream or a
-		 * packet that doesn't belong to this stream (different mid). */
-		data->send_seq_num++;
-	}
-}
-
-/***********************************************************
- Is an incoming packet an oplock break reply ?
-************************************************************/
-
-static BOOL is_oplock_break(char *inbuf)
-{
-	if (CVAL(inbuf,smb_com) != SMBlockingX)
-		return False;
-
-	if (!(CVAL(inbuf,smb_vwv3) & LOCKING_ANDX_OPLOCK_RELEASE))
-		return False;
-
-	DEBUG(10,("is_oplock_break: Packet is oplock break\n"));
-	return True;
 }
 
 /***********************************************************
@@ -753,23 +624,8 @@ static BOOL srv_check_incoming_message(char *inbuf, struct smb_sign_info *si, BO
 
 	mid = SVAL(inbuf, smb_mid);
 
-	/* Is this part of a trans stream ? */
-	if (data->trans_info && (data->trans_info->mid == mid)) {
-		/* If so we don't increment the sequence. */
-		reply_seq_number = data->trans_info->reply_seq_num;
-	} else {
-		/* We always increment the sequence number. */
-		data->send_seq_num++;
-
-		/* If we get an asynchronous oplock break reply and there
-		 * isn't a reply pending we need to re-sync the sequence
-		 * number.
-		 */
-		if (is_oplock_break(inbuf)) {
-			DEBUG(10,("srv_check_incoming_message: oplock break at seq num %u\n", data->send_seq_num));
-			data->send_seq_num++;
-		}
-	}
+	/* We always increment the sequence number. */
+	data->send_seq_num += 2;
 
 	saved_seq = reply_seq_number;
 	simple_packet_signature(data, (const unsigned char *)inbuf, reply_seq_number, calc_md5_mac);
@@ -885,9 +741,8 @@ void srv_defer_sign_response(uint16 mid)
 	 * Ensure we only store this mid reply once...
 	 */
 
-	if (store_sequence_for_reply(&data->outstanding_packet_list, mid, data->send_seq_num)) {
-		data->send_seq_num++;
-	}
+	store_sequence_for_reply(&data->outstanding_packet_list, mid,
+				 data->send_seq_num-1);
 }
 
 /***********************************************************
@@ -974,63 +829,6 @@ BOOL srv_signing_started(void)
 	return True;
 }
 
-
-/***********************************************************
- Tell server code we are in a multiple trans reply state.
-************************************************************/
-
-void srv_signing_trans_start(uint16 mid)
-{
-	struct smb_basic_signing_context *data;
-
-	if (!srv_sign_info.doing_signing)
-		return;
-
-	data = (struct smb_basic_signing_context *)srv_sign_info.signing_context;
-	if (!data)
-		return;
-
-	data->trans_info = SMB_XMALLOC_P(struct trans_info_context);
-	ZERO_STRUCTP(data->trans_info);
-
-	data->trans_info->reply_seq_num = data->send_seq_num-1;
-	data->trans_info->mid = mid;
-	data->trans_info->send_seq_num = data->send_seq_num;
-
-	DEBUG(10,("srv_signing_trans_start: storing mid = %u, reply_seq_num = %u, send_seq_num = %u \
-data->send_seq_num = %u\n",
-			(unsigned int)mid,
-			(unsigned int)data->trans_info->reply_seq_num,
-			(unsigned int)data->trans_info->send_seq_num,
-			(unsigned int)data->send_seq_num ));
-}
-
-/***********************************************************
- Tell server code we are out of a multiple trans reply state.
-************************************************************/
-
-void srv_signing_trans_stop(void)
-{
-	struct smb_basic_signing_context *data;
-
-	if (!srv_sign_info.doing_signing)
-		return;
-
-	data = (struct smb_basic_signing_context *)srv_sign_info.signing_context;
-	if (!data || !data->trans_info)
-		return;
-
-	DEBUG(10,("srv_signing_trans_stop: removing mid = %u, reply_seq_num = %u, send_seq_num = %u \
-data->send_seq_num = %u\n",
-			(unsigned int)data->trans_info->mid,
-			(unsigned int)data->trans_info->reply_seq_num,
-			(unsigned int)data->trans_info->send_seq_num,
-			(unsigned int)data->send_seq_num ));
-
-	SAFE_FREE(data->trans_info);
-	data->trans_info = NULL;
-}
-
 /***********************************************************
  Turn on signing from this packet onwards. 
 ************************************************************/