source/libsmb/cli_netlogon.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    NT Domain Authentication SMB / MSRPC client
   5    Copyright (C) Andrew Tridgell 1994-2000
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   7    Copyright (C) Tim Potter 2001
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 /* Opens a SMB connection to the netlogon pipe */
  27
  28 struct cli_state *cli_netlogon_initialise(struct cli_state *cli,
  29                                           char *system_name,
  30                                           struct ntuser_creds *creds)
  31 {
  32         struct in_addr dest_ip;
  33         struct nmb_name calling, called;
  34         fstring dest_host;
  35         extern pstring global_myname;
  36         struct ntuser_creds anon;
  37
  38         /* Initialise cli_state information */
  39
  40         if (!cli_initialise(cli)) {
  41                 return NULL;
  42         }
  43
  44         if (!creds) {
  45                 ZERO_STRUCT(anon);
  46                 anon.pwd.null_pwd = 1;
  47                 creds = &anon;
  48         }
  49
  50         cli_init_creds(cli, creds);
  51
  52         /* Establish a SMB connection */
  53
  54         if (!resolve_srv_name(system_name, dest_host, &dest_ip)) {
  55                 return NULL;
  56         }
  57
  58         make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
  59         make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);
  60
  61         if (!cli_establish_connection(cli, dest_host, &dest_ip, &calling,
  62                                       &called, "IPC$", "IPC", False, True)) {
  63                 return NULL;
  64         }
  65
  66         /* Open a NT session thingy */
  67
  68         if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
  69                 cli_shutdown(cli);
  70                 return NULL;
  71         }
  72
  73         return cli;
  74 }
  75
  76 /* Shut down a SMB connection to the netlogon pipe */
  77
  78 void cli_netlogon_shutdown(struct cli_state *cli)
  79 {
  80         if (cli->fd != -1) cli_ulogoff(cli);
  81         cli_shutdown(cli);
  82 }
  83
  84 /* Logon Control 2 */
  85
  86 uint32 cli_netlogon_logon_ctrl2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
  87                                 uint32 query_level)
  88 {
  89         prs_struct qbuf, rbuf;
  90         NET_Q_LOGON_CTRL2 q;
  91         NET_R_LOGON_CTRL2 r;
  92         uint32 result = NT_STATUS_UNSUCCESSFUL;
  93
  94         ZERO_STRUCT(q);
  95         ZERO_STRUCT(r);
  96
  97         /* Initialise parse structures */
  98
  99         prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
 100         prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
 101
 102         /* Initialise input parameters */
 103
 104         init_net_q_logon_ctrl2(&q, cli->srv_name_slash, query_level);
 105
 106         /* Marshall data and send request */
 107
 108         if (!net_io_q_logon_ctrl2("", &q, &qbuf, 0) ||
 109             !rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &qbuf, &rbuf)) {
 110                 result = NT_STATUS_UNSUCCESSFUL;
 111                 goto done;
 112         }
 113
 114         /* Unmarshall response */
 115
 116         if (!net_io_r_logon_ctrl2("", &r, &rbuf, 0)) {
 117                 result = NT_STATUS_UNSUCCESSFUL;
 118                 goto done;
 119         }
 120
 121         result = r.status;
 122
 123  done:
 124         prs_mem_free(&qbuf);
 125         prs_mem_free(&rbuf);
 126
 127         return result;
 128 }