RFC1002 fixup

fs/cifs/connect.c

 /*
  *   fs/cifs/connect.c
  *
- *   Copyright (C) International Business Machines  Corp., 2002,2003
+ *   Copyright (C) International Business Machines  Corp., 2002,2004
  *   Author(s): Steve French (sfrench@us.ibm.com)
  *
  *   This library is free software; you can redistribute it and/or modify
@@ -36,6 +36,7 @@
 #include "cifs_fs_sb.h"
 #include "ntlmssp.h"
 #include "nterr.h"
+#include "rfc1002pdu.h"
 
 #define CIFS_PORT 445
 #define RFC1001_PORT 139
@@ -249,23 +250,25 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
 
 		temp = (char *) smb_buffer;
 		if (length > 3) {
-			if (temp[0] == (char) 0x85) {
+			if (temp[0] == (char) RFC1002_SESSION_KEEP_ALIVE) {
 				iov.iov_base = smb_buffer;
 				iov.iov_len = 4;
 				length = sock_recvmsg(csocket, &smb_msg, 4, 0);
-				cFYI(0,
-				     ("Received 4 byte keep alive packet "));
-			} else if ((temp[0] == (char) 0x83)
+				cFYI(0,("Received 4 byte keep alive packet"));
+			} else if (temp[0] == (char) RFC1002_POSITIVE_SESSION_RESPONSE) {
+				iov.iov_base = smb_buffer;
+					iov.iov_len = 4;
+					length = sock_recvmsg(csocket, &smb_msg, 4, 0);
+					cFYI(1,("Good RFC 1002 session rsp"));
+			} else if ((temp[0] == (char)RFC1002_NEGATIVE_SESSION_RESPONSE)
 				   && (length == 5)) {
 				/* we get this from Windows 98 instead of error on SMB negprot response */
 				cERROR(1,
 					("Negative RFC 1002 Session response. Error = 0x%x",
 					temp[4]));
 				break;
-
 			} else if (temp[0] != (char) 0) {
-				cERROR(1,
-				       ("Unknown RFC 1001 frame not 0x00 nor 0x85"));
+				cERROR(1,("Unknown RFC 1002 frame"));
 				cifs_dump_mem(" Received Data: ", temp, length);
 				cifs_reconnect(server);
 				csocket = server->ssocket;

fs/cifs/rfc1002pdu.h

+/*
+ *   fs/cifs/rfc1002pdu.h
+ *
+ *   Protocol Data Unit definitions for RFC 1001/1002 support
+ *
+ *   Copyright (c) International Business Machines  Corp., 2004
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published
+ *   by the Free Software Foundation; either version 2.1 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This library 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 Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
+ */
+
+#pragma pack(1)
+
+/* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */
+
+	/* RFC 1002 session packet types */
+#define RFC1002_SESSION_MESASAGE 0x00
+#define RFC1002_SESSION_REQUEST  0x81
+#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82
+#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83
+#define RFC1002_RETARGET_SESSION_RESPONSE 0x83
+#define RFC1002_SESSION_KEEP_ALIVE 0x85
+
+	/* RFC 1002 flags (only one defined */
+#define RFC1002_LENGTH_EXTEND 0x80 /* high order bit of length (ie +64K) */
+
+struct rfc1002_session_packet {
+	__u8	type;
+	__u8	flags;
+	__u16	length;
+	union {
+		struct {
+			__u8 called_name[16];
+			__u8 calling_name[16];
+		} session_req;
+		struct {
+			__u32 retarget_ip_addr;
+			__u16 port;
+		} retarget_resp;
+		__u8 neg_ses_resp_error_code;
+		/* POSITIVE_SESSION_RESPONSE packet does not include trailer.
+		SESSION_KEEP_ALIVE packet also does not include a trailer.
+		Trailer for the SESSION_MESSAGE packet is SMB/CIFS header */
+	} trailer;
+};
+
+/* Negative Session Response error codes */
+#define RFC1002_NOT_LISTENING_CALLED  0x80 /* not listening on called name */
+#define RFC1002_NOT_LISTENING_CALLING 0x81 /* not listening on calling name */
+#define RFC1002_NOT_PRESENT           0x82 /* called name not present */
+#define RFC1002_INSUFFICIENT_RESOURCE 0x83
+#define RFC1002_UNSPECIFIED_ERROR     0x8F
+
+/* RFC 1002 Datagram service packets are not defined here as they
+are not needed for the network filesystem client unless we plan on
+implementing broadcast resolution of the server ip address (from
+server netbios name). Currently server names are resolved only via DNS
+(tcp name) or ip address or an /etc/hosts equivalent mapping to ip address.*/
+
+#define DEFAULT_CIFS_CALLED_NAME  "*SMBSERVER      "
+
+#pragma pack()		/* resume default structure packing */
+