source/include/msdfs.h

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 3.0
   4    MSDfs services for Samba
   5    Copyright (C) Shirish Kalele 2000
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 */
  21
  22 #ifndef _MSDFS_H
  23 #define _MSDFS_H
  24
  25 #define REFERRAL_TTL 600
  26
  27 /* Flags used in trans2 Get Referral reply */
  28 #define DFSREF_REFERRAL_SERVER 0x1
  29 #define DFSREF_STORAGE_SERVER  0x2
  30
  31 /* Referral sizes */
  32 #define VERSION2_REFERRAL_SIZE 0x16
  33 #define VERSION3_REFERRAL_SIZE 0x22
  34 #define REFERRAL_HEADER_SIZE 0x08
  35
  36 /* Maximum number of referrals for each Dfs volume */
  37 #define MAX_REFERRAL_COUNT   256
  38 #define MAX_MSDFS_JUNCTIONS 256
  39
  40 typedef struct _client_referral {
  41         uint32 proximity;
  42         uint32 ttl;
  43         char *dfspath;
  44 } CLIENT_DFS_REFERRAL;
  45
  46 struct referral {
  47         char *alternate_path; /* contains the path referred */
  48         uint32 proximity;
  49         uint32 ttl; /* how long should client cache referral */
  50 };
  51
  52 struct junction_map {
  53         char *service_name;
  54         char *volume_name;
  55         const char *comment;
  56         int referral_count;
  57         struct referral* referral_list;
  58 };
  59
  60 struct dfs_path {
  61         char *hostname;
  62         char *servicename;
  63         char *reqpath;
  64         bool posix_path;
  65 };
  66
  67 #define init_dfsroot(conn, inbuf, outbuf)                       \
  68 { if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) {           \
  69         DEBUG(2,("Serving %s as a Dfs root\n",                  \
  70                  lp_servicename(SNUM(conn)) ));                 \
  71         SSVAL(outbuf, smb_vwv2, SMB_SHARE_IN_DFS                \
  72               | SVAL(outbuf, smb_vwv2));                        \
  73 } }
  74
  75 #endif /* _MSDFS_H */