dded Microsoft Dfs services.

* added a new msdfs/ directory under source/
* added msdfs sources under this directory.
* modified configure setup to add a --with-msdfs configure time option

 Modified Files:
 	Makefile.in acconfig.h configure configure.in
 	include/config.h.in include/includes.h include/proto.h
 	include/smb.h include/smb_macros.h param/loadparm.c
 	smbd/negprot.c smbd/nttrans.c smbd/process.c smbd/reply.c
 	smbd/server.c smbd/trans2.c
 Added Files:
 	include/msdfs.h msdfs/README msdfs/msdfs.c msdfs/msdfs_tdb.c
 	msdfs/parse_dfs_map.c
 ----------------------------------------------------------------------
(This used to be commit 4684b4a188b54493dbe7f0de2909a8d3c5c3ebf9)

6 files changed, 84 insertions, 1 deletions

diff --git a/source3/include/config.h.in b/source3/include/config.h.in
index 0b3872e7ce..d4d5a8c213 100644
--- a/source3/include/config.h.in
+++ b/source3/include/config.h.in
@@ -141,6 +141,7 @@
 #undef HAVE_SETRESUID
 #undef WITH_NETATALK
 #undef WITH_UTMP
+#undef MS_DFS
 #undef HAVE_INO64_T
 #undef HAVE_STRUCT_FLOCK64
 #undef SIZEOF_INO_T
diff --git a/source3/include/includes.h b/source3/include/includes.h
index 1929df3b7d..d040dada7a 100644
--- a/source3/include/includes.h
+++ b/source3/include/includes.h
@@ -914,4 +914,6 @@ int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
 #include <dlfcn.h>
 #endif
 
+#include "msdfs.h"
+
 #endif /* _INCLUDES_H */
diff --git a/source3/include/msdfs.h b/source3/include/msdfs.h
new file mode 100644
index 0000000000..ea72c4c15f
--- /dev/null
+++ b/source3/include/msdfs.h
@@ -0,0 +1,78 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   MSDfs services for Samba
+   Copyright (C) Shirish Kalele 2000
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef _MSDFS_H
+#define _MSDFS_H
+
+#ifdef MS_DFS
+
+#define REFERRAL_TTL 600
+
+/* Flags used in trans2 Get Referral reply */
+#define DFSREF_REFERRAL_SERVER 0x1
+#define DFSREF_STORAGE_SERVER  0x2
+
+
+struct referral
+{
+	pstring alternate_path; /* contains the path referred (UNICODE?) */
+	uint32 proximity;
+	uint32 ttl; /* how long should client cache referral */
+};
+
+struct junction_map
+{
+  pstring service_name;
+  pstring volume_name;
+  int referral_count;
+  struct referral* referral_list;
+};
+
+#define RESOLVE_DFSPATH(name, conn, inbuf, outbuf) \
+{ if(((SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES)) && \
+     dfs_redirect(name,conn)) \
+     return(dfs_path_error(inbuf,outbuf)); }
+
+#define RESOLVE_FINDFIRST_DFSPATH(name, conn, inbuf, outbuf) \
+{ if((SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES) || \
+     get_remote_arch()==RA_WIN95) \
+      if(dfs_findfirst_redirect(directory,conn)) \
+	 return(dfs_path_error(inbuf,outbuf)); }
+ 
+#define init_dfsroot(conn, inbuf, outbuf) \
+{ if(*lp_dfsmap(SNUM(conn)) && lp_host_msdfs()) { \
+	SSVAL(outbuf, smb_vwv2, SMB_SHARE_IN_DFS | SMB_SUPPORT_SEARCH_BITS); \
+	if(lp_dfsmap_loaded(SNUM(conn))) \
+	  msdfs_open(False); \
+	else { \
+	  DEBUG(3,("msdfs map database not initialized!\n")); \
+	  pstrcpy(lp_dfsmap(SNUM(conn)),""); \
+	} } }
+
+#else
+/* Stub macros */
+#define RESOLVE_DFSPATH(name, conn, inbuf, outbuf) ;
+#define RESOLVE_FINDFIRST_DFSPATH(name, conn, inbuf, outbuf) ;
+#define init_dfsroot(conn, inbuf, outbuf) ;
+
+#endif
+
+#endif /* _MSDFS_H */
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 7ea33ee275..f10f006aeb 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -24,7 +24,6 @@ BOOL allow_access(char *deny_list,char *allow_list,
 BOOL check_access(int sock, char *allow_list, char *deny_list);
 
 /*The following definitions come from  lib/bitmap.c  */
-
 struct bitmap *bitmap_allocate(int n);
 BOOL bitmap_set(struct bitmap *bm, unsigned i);
 BOOL bitmap_clear(struct bitmap *bm, unsigned i);
@@ -1305,6 +1304,7 @@ char *lp_readlist(int );
 char *lp_writelist(int );
 char *lp_fstype(int );
 char *lp_vfsobj(int );
+char *lp_dfsmap(int );
 char *lp_mangled_map(int );
 char *lp_veto_files(int );
 char *lp_hide_files(int );
diff --git a/source3/include/smb.h b/source3/include/smb.h
index 54fb4d5cc7..c330593b1a 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -1143,6 +1143,7 @@ struct bitmap {
 
 /* this is used on a TConX. I'm not sure the name is very helpful though */
 #define SMB_SUPPORT_SEARCH_BITS        0x0001
+#define SMB_SHARE_IN_DFS               0x0002
 
 /* these are the constants used in the above call. */
 /* DesiredAccess */
diff --git a/source3/include/smb_macros.h b/source3/include/smb_macros.h
index 8fb1fdbb71..496787ee13 100644
--- a/source3/include/smb_macros.h
+++ b/source3/include/smb_macros.h
@@ -233,4 +233,5 @@ copy an IP address from one buffer to another
 
 #define dos_format(fname) string_replace(fname,'/','\\')
 
+
 #endif /* _SMB_MACROS_H */