source3/rpc_client/ntclienttrust.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    NT Domain Authentication SMB / MSRPC client
   5    Copyright (C) Andrew Tridgell 1994-1997
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-1997
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #ifdef SYSLOG
  24 #undef SYSLOG
  25 #endif
  26
  27 #include "includes.h"
  28
  29
  30 /************************************************************************
  31  check workstation trust account status
  32  ************************************************************************/
  33 BOOL trust_account_check(struct in_addr dest_ip, char *dest_host,
  34                                 char *hostname, char *domain, fstring mach_acct,
  35                                 fstring new_mach_pwd)
  36 {
  37         pstring tmp;
  38         fstring mach_pwd;
  39         struct cli_state cli_trust;
  40         uchar lm_owf_mach_pwd[16];
  41         uchar nt_owf_mach_pwd[16];
  42         uchar lm_sess_pwd[24];
  43         uchar nt_sess_pwd[24];
  44
  45         BOOL right_error_code = False;
  46         uint8 err_cls;
  47         uint32 err_num;
  48
  49         char *start_mach_pwd;
  50         char *change_mach_pwd;
  51
  52         /* initial machine password */
  53         fstrcpy(mach_pwd, hostname);
  54         strlower(mach_pwd);
  55
  56         slprintf(tmp, sizeof(tmp) - 1,"Enter Workstation Trust Account password for [%s].\nDefault is [%s].\nPassword:",
  57                                 mach_acct, mach_pwd);
  58
  59         start_mach_pwd = (char*)getpass(tmp);
  60
  61         if (start_mach_pwd[0] != 0)
  62         {
  63                 fstrcpy(mach_pwd, start_mach_pwd);
  64         }
  65
  66         slprintf(tmp, sizeof(tmp)-1, "Enter new Workstation Trust Account password for [%s]\nPress Return to leave at old value.\nNew Password:",
  67                                 mach_acct);
  68
  69         change_mach_pwd = (char*)getpass(tmp);
  70
  71         if (change_mach_pwd[0] != 0)
  72         {
  73                 fstrcpy(new_mach_pwd, change_mach_pwd);
  74         }
  75         else
  76         {
  77                 DEBUG(1,("trust_account_check: password change not requested\n"));
  78                 change_mach_pwd[0] = 0;
  79         }
  80
  81         DEBUG(1,("initialise cli_trust connection\n"));
  82
  83         if (!cli_initialise(&cli_trust))
  84         {
  85                 DEBUG(1,("cli_initialise failed for cli_trust\n"));
  86                 return False;
  87         }
  88
  89         DEBUG(1,("server connect for cli_trust\n"));
  90
  91         if (!server_connect_init(&cli_trust, hostname, dest_ip, dest_host))
  92         {
  93                 cli_error(&cli_trust, &err_cls, &err_num, NULL);
  94                 DEBUG(1,("server_connect_init failed (%s)\n", cli_errstr(&cli_trust)));
  95
  96                 cli_shutdown(&cli_trust);
  97                 return False;
  98         }
  99
 100         DEBUG(1,("server connect cli_trust succeeded\n"));
 101
 102         nt_lm_owf_gen(mach_pwd, nt_owf_mach_pwd, lm_owf_mach_pwd);
 103
 104         DEBUG(5,("generating nt owf from initial machine pwd: %s\n", mach_pwd));
 105
 106 #ifdef DEBUG_PASSWORD
 107         DEBUG(100,("client cryptkey: "));
 108         dump_data(100, cli_trust.cryptkey, sizeof(cli_trust.cryptkey));
 109 #endif
 110
 111         SMBencrypt(nt_owf_mach_pwd, cli_trust.cryptkey, nt_sess_pwd);
 112
 113 #ifdef DEBUG_PASSWORD
 114         DEBUG(100,("nt_owf_mach_pwd: "));
 115         dump_data(100, nt_owf_mach_pwd, sizeof(lm_owf_mach_pwd));
 116         DEBUG(100,("nt_sess_pwd: "));
 117         dump_data(100, nt_sess_pwd, sizeof(nt_sess_pwd));
 118 #endif
 119
 120         SMBencrypt(lm_owf_mach_pwd, cli_trust.cryptkey, lm_sess_pwd);
 121
 122 #ifdef DEBUG_PASSWORD
 123         DEBUG(100,("lm_owf_mach_pwd: "));
 124         dump_data(100, lm_owf_mach_pwd, sizeof(lm_owf_mach_pwd));
 125         DEBUG(100,("lm_sess_pwd: "));
 126         dump_data(100, lm_sess_pwd, sizeof(lm_sess_pwd));
 127 #endif
 128
 129         right_error_code = False;
 130
 131         if (cli_session_setup(&cli_trust, mach_acct,
 132                         nt_owf_mach_pwd, sizeof(nt_owf_mach_pwd),
 133                         nt_owf_mach_pwd, sizeof(nt_owf_mach_pwd), domain))
 134         {
 135                 DEBUG(0,("cli_session_setup: NO ERROR! AAAGH! BUG IN SERVER DETECTED!!!\n"));
 136                 cli_shutdown(&cli_trust);
 137
 138                 return False;
 139         }
 140
 141         cli_error(&cli_trust, &err_cls, &err_num, NULL);
 142
 143         if (err_num == (0xC0000000 | NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT))
 144         {
 145                 DEBUG(1,("cli_send_tconX: valid workstation trust account exists\n"));
 146                 right_error_code = True;
 147         }
 148
 149         if (err_num == (0xC0000000 | NT_STATUS_NO_SUCH_USER))
 150         {
 151                 DEBUG(1,("cli_send_tconX: workstation trust account does not exist\n"));
 152                 right_error_code = False;
 153         }
 154
 155         if (!right_error_code)
 156         {
 157                 DEBUG(1,("server_validate failed (%s)\n", cli_errstr(&cli_trust)));
 158         }
 159
 160         cli_shutdown(&cli_trust);
 161         return right_error_code;
 162 }