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                 .connection_dialect = global->connection_dialect,
  47         };
  48
  49         if (session_info != NULL) {
  50                 session.uid = session_info->unix_token->uid;
  51                 session.gid = session_info->unix_token->gid;
  52                 strncpy(session.username,
  53                         session_info->unix_info->unix_name,
  54                         sizeof(fstring)-1);
  55         }
  56
  57         strncpy(session.remote_machine,
  58                 global->channels[0].remote_name,
  59                 sizeof(fstring)-1);
  60         strncpy(session.hostname,
  61                 global->channels[0].remote_address,
  62                 sizeof(fstring)-1);
  63         strncpy(session.netbios_name,
  64                 global->channels[0].remote_name,
  65                 sizeof(fstring)-1);
  66         snprintf(session.id_str, sizeof(fstring)-1,
  67                  "smb/%u", global->session_global_id);
  68         strncpy(session.ip_addr_str,
  69                 global->channels[0].remote_address,
  70                 sizeof(fstring)-1);
  71
  72         session.encryption_flags = global->encryption_flags;
  73         session.cipher = global->channels[0].encryption_cipher;
  74         session.signing_flags = global->signing_flags;
  75
  76         return state->fn(NULL, &session, state->private_data);
  77 }
  78
  79 NTSTATUS sessionid_traverse_read(int (*fn)(const char *key,
  80                                           struct sessionid *session,
  81                                           void *private_data),
  82                                  void *private_data)
  83 {
  84         struct sessionid_traverse_read_state state;
  85         NTSTATUS status;
  86
  87         state.fn = fn;
  88         state.private_data = private_data;
  89         status = smbXsrv_session_global_traverse(sessionid_traverse_read_fn,
  90                                                  &state);
  91
  92         return status;
  93 }