source3/lib/sessionid_tdb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Low-level sessionid.tdb access functions
   4    Copyright (C) Volker Lendecke 2010
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "system/filesys.h"
  22 #include "dbwrap/dbwrap.h"
  23 #include "dbwrap/dbwrap_open.h"
  24 #include "session.h"
  25 #include "util_tdb.h"
  26 #include "smbd/globals.h"
  27
  28 struct sessionid_traverse_read_state {
  29         int (*fn)(const char *key, struct sessionid *session,
  30                   void *private_data);
  31         void *private_data;
  32 };
  33
  34 static int sessionid_traverse_read_fn(struct smbXsrv_session_global0 *global,
  35                                       void *private_data)
  36 {
  37         struct sessionid_traverse_read_state *state =
  38                 (struct sessionid_traverse_read_state *)private_data;
  39         struct auth_session_info *session_info = global->auth_session_info;
  40         struct sessionid session = {
  41                 .uid = -1,
  42                 .gid = -1,
  43                 .id_num = global->session_global_id,
  44                 .connect_start = nt_time_to_unix(global->creation_time),
  45                 .pid = global->channels[0].server_id,
  46         };
  47
  48         switch(global->connection_dialect){
  49         case SMB2_DIALECT_REVISION_000:
  50                 fstrcpy(session.protocol_ver, "NT1");
  51                 break;
  52         case SMB2_DIALECT_REVISION_202:
  53                 fstrcpy(session.protocol_ver, "SMB2_02");
  54                 break;
  55         case SMB2_DIALECT_REVISION_210:
  56                 fstrcpy(session.protocol_ver, "SMB2_10");
  57                 break;
  58         case SMB2_DIALECT_REVISION_222:
  59                 fstrcpy(session.protocol_ver, "SMB2_22");
  60                 break;
  61         case SMB2_DIALECT_REVISION_224:
  62                 fstrcpy(session.protocol_ver, "SMB2_24");
  63                 break;
  64         case SMB3_DIALECT_REVISION_300:
  65                 fstrcpy(session.protocol_ver, "SMB3_00");
  66                 break;
  67         case SMB3_DIALECT_REVISION_302:
  68                 fstrcpy(session.protocol_ver, "SMB3_02");
  69                 break;
  70         default:
  71                 fstr_sprintf(session.protocol_ver, "Unknown (0x%04x)",
  72                              global->connection_dialect);
  73                 break;
  74         }
  75
  76         if (session_info != NULL) {
  77                 session.uid = session_info->unix_token->uid;
  78                 session.gid = session_info->unix_token->gid;
  79                 strncpy(session.username,
  80                         session_info->unix_info->unix_name,
  81                         sizeof(fstring)-1);
  82         }
  83
  84         strncpy(session.remote_machine,
  85                 global->channels[0].remote_name,
  86                 sizeof(fstring)-1);
  87         strncpy(session.hostname,
  88                 global->channels[0].remote_address,
  89                 sizeof(fstring)-1);
  90         strncpy(session.netbios_name,
  91                 global->channels[0].remote_name,
  92                 sizeof(fstring)-1);
  93         snprintf(session.id_str, sizeof(fstring)-1,
  94                  "smb/%u", global->session_global_id);
  95         strncpy(session.ip_addr_str,
  96                 global->channels[0].remote_address,
  97                 sizeof(fstring)-1);
  98
  99         return state->fn(NULL, &session, state->private_data);
 100 }
 101
 102 NTSTATUS sessionid_traverse_read(int (*fn)(const char *key,
 103                                           struct sessionid *session,
 104                                           void *private_data),
 105                                  void *private_data)
 106 {
 107         struct sessionid_traverse_read_state state;
 108         NTSTATUS status;
 109
 110         state.fn = fn;
 111         state.private_data = private_data;
 112         status = smbXsrv_session_global_traverse(sessionid_traverse_read_fn,
 113                                                  &state);
 114
 115         return status;
 116 }