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/*
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
#define REFERRAL_TTL 600
/* Flags used in trans2 Get Referral reply */
#define DFSREF_REFERRAL_SERVER 0x1
#define DFSREF_STORAGE_SERVER 0x2
/* Referral sizes */
#define VERSION2_REFERRAL_SIZE 0x16
#define VERSION3_REFERRAL_SIZE 0x22
#define REFERRAL_HEADER_SIZE 0x08
/* Maximum number of referrals for each Dfs volume */
#define MAX_REFERRAL_COUNT 256
#define MAX_MSDFS_JUNCTIONS 256
typedef struct _client_referral {
uint32 proximity;
uint32 ttl;
pstring dfspath;
} CLIENT_DFS_REFERRAL;
struct referral {
pstring alternate_path; /* contains the path referred */
uint32 proximity;
uint32 ttl; /* how long should client cache referral */
};
struct junction_map {
pstring service_name;
pstring volume_name;
pstring comment;
int referral_count;
struct referral* referral_list;
};
struct dfs_path {
pstring hostname;
pstring servicename;
pstring reqpath;
};
#define RESOLVE_DFSPATH(name, conn, inbuf, outbuf) \
{ if ((SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES) && \
lp_host_msdfs() && lp_msdfs_root(SNUM(conn)) && \
dfs_redirect(name, conn, False)) \
return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, \
ERRSRV, ERRbadpath);; }
#define RESOLVE_DFSPATH_STATUS(name, conn, inbuf, outbuf) \
{ if ((SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES) && \
lp_host_msdfs() && lp_msdfs_root(SNUM(conn)) && \
dfs_redirect(name, conn, False)) \
return NT_STATUS_PATH_NOT_COVERED;; }
#define RESOLVE_DFSPATH_WCARD(name, conn, inbuf, outbuf) \
{ if ((SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES) && \
lp_host_msdfs() && lp_msdfs_root(SNUM(conn)) && \
dfs_redirect(name,conn, True)) \
return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, \
ERRSRV, ERRbadpath);; }
#define init_dfsroot(conn, inbuf, outbuf) \
{ if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) { \
DEBUG(2,("Serving %s as a Dfs root\n", \
lp_servicename(SNUM(conn)) )); \
SSVAL(outbuf, smb_vwv2, SMB_SHARE_IN_DFS \
| SVAL(outbuf, smb_vwv2)); \
} }
#endif /* _MSDFS_H */
|
