source3/lib/messages_util.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Samba internal messaging functions
   4  * Copyright (C) 2013 by Volker Lendecke
   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 "replace.h"
  21 #include "lib/util/samba_util.h"
  22 #include "librpc/gen_ndr/server_id.h"
  23 #include "lib/util/byteorder.h"
  24 #include "messages_util.h"
  25
  26 void message_hdr_put(uint8_t buf[MESSAGE_HDR_LENGTH], uint32_t msg_type,
  27                      struct server_id src, struct server_id dst)
  28 {
  29         server_id_put(buf, dst);
  30         server_id_put(buf + SERVER_ID_BUF_LENGTH, src);
  31         SIVAL(buf, 2 * SERVER_ID_BUF_LENGTH, msg_type);
  32 }
  33
  34 void message_hdr_get(uint32_t *msg_type, struct server_id *src,
  35                      struct server_id *dst,
  36                      const uint8_t buf[MESSAGE_HDR_LENGTH])
  37 {
  38         server_id_get(dst, buf);
  39         server_id_get(src, buf + SERVER_ID_BUF_LENGTH);
  40         *msg_type = IVAL(buf, 2 * SERVER_ID_BUF_LENGTH);
  41 }