source4/libcli/climessage.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client message handling routines
   4    Copyright (C) Andrew Tridgell 1994-1998
   5    Copyright (C) James J Myers 2003  <myersjj@samba.org>
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "libcli/raw/libcliraw.h"
  23 #include "libcli/raw/raw_proto.h"
  24 #include "libcli/libcli.h"
  25
  26
  27 /****************************************************************************
  28 start a message sequence
  29 ****************************************************************************/
  30 bool smbcli_message_start(struct smbcli_tree *tree, const char *host, const char *username,
  31                        int *grp)
  32 {
  33         struct smbcli_request *req;
  34
  35         req = smbcli_request_setup(tree, SMBsendstrt, 0, 0);
  36         if (req == NULL) {
  37                 return false;
  38         }
  39         smbcli_req_append_string(req, username, STR_TERMINATE);
  40         smbcli_req_append_string(req, host, STR_TERMINATE);
  41         if (!smbcli_request_send(req) ||
  42             !smbcli_request_receive(req) ||
  43             smbcli_is_error(tree)) {
  44                 smbcli_request_destroy(req);
  45                 return false;
  46         }
  47
  48         *grp = SVAL(req->in.vwv, VWV(0));
  49         smbcli_request_destroy(req);
  50
  51         return true;
  52 }
  53
  54
  55 /****************************************************************************
  56 send a message
  57 ****************************************************************************/
  58 bool smbcli_message_text(struct smbcli_tree *tree, char *msg, int len, int grp)
  59 {
  60         struct smbcli_request *req;
  61
  62         req = smbcli_request_setup(tree, SMBsendtxt, 1, 0);
  63         if (req == NULL) {
  64                 return false;
  65         }
  66         SSVAL(req->out.vwv, VWV(0), grp);
  67
  68         smbcli_req_append_bytes(req, (const uint8_t *)msg, len);
  69
  70         if (!smbcli_request_send(req) ||
  71             !smbcli_request_receive(req) ||
  72             smbcli_is_error(tree)) {
  73                 smbcli_request_destroy(req);
  74                 return false;
  75         }
  76
  77         smbcli_request_destroy(req);
  78         return true;
  79 }
  80
  81 /****************************************************************************
  82 end a message
  83 ****************************************************************************/
  84 bool smbcli_message_end(struct smbcli_tree *tree, int grp)
  85 {
  86         struct smbcli_request *req;
  87
  88         req = smbcli_request_setup(tree, SMBsendend, 1, 0);
  89         if (req == NULL) {
  90                 return false;
  91         }
  92         SSVAL(req->out.vwv, VWV(0), grp);
  93
  94         if (!smbcli_request_send(req) ||
  95             !smbcli_request_receive(req) ||
  96             smbcli_is_error(tree)) {
  97                 smbcli_request_destroy(req);
  98                 return false;
  99         }
 100
 101         smbcli_request_destroy(req);
 102         return true;
 103 }
 104