source/libsmb/climessage.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client message handling routines
   4    Copyright (C) Andrew Tridgell 1994-1998
   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 2 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, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #define NO_SYSLOG
  22
  23 #include "includes.h"
  24
  25
  26 /****************************************************************************
  27 start a message sequence
  28 ****************************************************************************/
  29 BOOL cli_message_start(struct cli_state *cli, char *host, char *username,
  30                               int *grp)
  31 {
  32         char *p;
  33
  34         /* send a SMBsendstrt command */
  35         memset(cli->outbuf,'\0',smb_size);
  36         set_message(cli->outbuf,0,0,True);
  37         SCVAL(cli->outbuf,smb_com,SMBsendstrt);
  38         SSVAL(cli->outbuf,smb_tid,cli->cnum);
  39         cli_setup_packet(cli);
  40
  41         p = smb_buf(cli->outbuf);
  42         *p++ = 4;
  43         p += clistr_push(cli, p, username, -1, STR_TERMINATE);
  44         *p++ = 4;
  45         p += clistr_push(cli, p, host, -1, STR_TERMINATE);
  46
  47         cli_setup_bcc(cli, p);
  48
  49         cli_send_smb(cli);
  50
  51         if (!cli_receive_smb(cli)) {
  52                 return False;
  53         }
  54
  55         if (cli_is_error(cli)) return False;
  56
  57         *grp = SVAL(cli->inbuf,smb_vwv0);
  58
  59         return True;
  60 }
  61
  62
  63 /****************************************************************************
  64 send a message
  65 ****************************************************************************/
  66 BOOL cli_message_text(struct cli_state *cli, char *msg, int len, int grp)
  67 {
  68         char *p;
  69
  70         memset(cli->outbuf,'\0',smb_size);
  71         set_message(cli->outbuf,1,0,True);
  72         SCVAL(cli->outbuf,smb_com,SMBsendtxt);
  73         SSVAL(cli->outbuf,smb_tid,cli->cnum);
  74         cli_setup_packet(cli);
  75
  76         SSVAL(cli->outbuf,smb_vwv0,grp);
  77
  78         p = smb_buf(cli->outbuf);
  79         *p++ = 1;
  80         SSVAL(p,0,len); p += 2;
  81         memcpy(p,msg,len);
  82         p += len;
  83
  84         cli_setup_bcc(cli, p);
  85         cli_send_smb(cli);
  86
  87         if (!cli_receive_smb(cli)) {
  88                 return False;
  89         }
  90
  91         if (cli_is_error(cli)) return False;
  92
  93         return True;
  94 }
  95
  96 /****************************************************************************
  97 end a message
  98 ****************************************************************************/
  99 BOOL cli_message_end(struct cli_state *cli, int grp)
 100 {
 101         memset(cli->outbuf,'\0',smb_size);
 102         set_message(cli->outbuf,1,0,True);
 103         SCVAL(cli->outbuf,smb_com,SMBsendend);
 104         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 105
 106         SSVAL(cli->outbuf,smb_vwv0,grp);
 107
 108         cli_setup_packet(cli);
 109
 110         cli_send_smb(cli);
 111
 112         if (!cli_receive_smb(cli)) {
 113                 return False;
 114         }
 115
 116         if (cli_is_error(cli)) return False;
 117
 118         return True;
 119 }
 120