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matty |
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/* |
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rdesktop: A Remote Desktop Protocol client. |
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Protocol services - Multipoint Communications Service |
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Copyright (C) Matthew Chapman 1999-2000 |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include "includes.h" |
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/* Establish a connection up to the MCS layer */ |
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HCONN mcs_connect(char *server) |
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{ |
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HCONN conn; |
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MCS_CONNECT_RESPONSE mcr; |
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MCS_AUCF aucf; |
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if ((conn = iso_connect(server)) == NULL) |
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return NULL; |
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mcs_send_connect_initial(conn); |
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if (!iso_recv(conn) || !mcs_io_connect_response(&conn->in, &mcr)) |
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{ |
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fprintf(stderr, "MCS error, expected Connect-Response\n"); |
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iso_disconnect(conn); |
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return NULL; |
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} |
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if (mcr.result != 0) |
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{ |
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fprintf(stderr, "MCS-Connect-Initial failed, result %d\n", |
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mcr.result); |
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iso_disconnect(conn); |
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return NULL; |
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} |
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mcs_send_edrq(conn); |
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mcs_send_aurq(conn); |
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if (!iso_recv(conn) || !mcs_io_aucf(&conn->in, &aucf)) |
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{ |
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fprintf(stderr, "MCS error, expected AUcf\n"); |
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mcs_disconnect(conn); |
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return NULL; |
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} |
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if (aucf.result != 0) |
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{ |
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fprintf(stderr, "AUrq failed, result %d\n", mcr.result); |
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mcs_disconnect(conn); |
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return NULL; |
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} |
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conn->mcs_userid = aucf.userid; |
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if (!mcs_join_channel(conn, aucf.userid + 1001) |
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|| !mcs_join_channel(conn, MCS_GLOBAL_CHANNEL)) |
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{ |
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mcs_disconnect(conn); |
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return NULL; |
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} |
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return conn; |
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} |
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BOOL mcs_join_channel(HCONN conn, uint16 chanid) |
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{ |
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MCS_CJCF cjcf; |
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mcs_send_cjrq(conn, chanid); |
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if (!iso_recv(conn) || !mcs_io_cjcf(&conn->in, &cjcf)) |
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{ |
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fprintf(stderr, "MCS error, expected CJcf\n"); |
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return False; |
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} |
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if (cjcf.result != 0) |
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{ |
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fprintf(stderr, "CJrq failed, result %d\n", cjcf.result); |
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return False; |
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} |
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return True; |
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} |
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/* Disconnect from the MCS layer */ |
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void mcs_disconnect(HCONN conn) |
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{ |
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/* Not complete */ |
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iso_disconnect(conn); |
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} |
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/* Send a Connect-Initial message */ |
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void mcs_send_connect_initial(HCONN conn) |
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{ |
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MCS_CONNECT_INITIAL mci; |
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iso_init(conn); |
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mcs_make_connect_initial(&mci); |
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mcs_io_connect_initial(&conn->out, &mci); |
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MARK_END(conn->out); |
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iso_send(conn); |
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} |
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/* Send a EDrq message */ |
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void mcs_send_edrq(HCONN conn) |
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{ |
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MCS_EDRQ edrq; |
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iso_init(conn); |
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edrq.height = edrq.interval = 1; |
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mcs_io_edrq(&conn->out, &edrq); |
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MARK_END(conn->out); |
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iso_send(conn); |
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} |
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/* Send a AUrq message */ |
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void mcs_send_aurq(HCONN conn) |
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{ |
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MCS_AURQ aurq; |
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iso_init(conn); |
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mcs_io_aurq(&conn->out, &aurq); |
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MARK_END(conn->out); |
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iso_send(conn); |
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} |
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/* Send a CJrq message */ |
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void mcs_send_cjrq(HCONN conn, uint16 chanid) |
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{ |
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MCS_CJRQ cjrq; |
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iso_init(conn); |
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cjrq.userid = conn->mcs_userid; |
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cjrq.chanid = chanid; |
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mcs_io_cjrq(&conn->out, &cjrq); |
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MARK_END(conn->out); |
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iso_send(conn); |
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} |
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/* Initialise MCS transport data packet */ |
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void mcs_init_data(HCONN conn) |
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{ |
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iso_init(conn); |
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PUSH_LAYER(conn->out, mcs_offset, 8); |
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} |
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/* Transmit MCS transport data packet */ |
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void mcs_send_data(HCONN conn, uint16 chanid, BOOL request) |
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{ |
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MCS_DATA dt; |
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POP_LAYER(conn->out, mcs_offset); |
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dt.userid = conn->mcs_userid; |
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dt.chanid = chanid; |
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dt.flags = 0x70; |
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dt.length = conn->out.end - conn->out.offset - 8; |
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mcs_io_data(&conn->out, &dt, request); |
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iso_send(conn); |
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} |
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/* Receive a message on the MCS layer */ |
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BOOL mcs_recv(HCONN conn, BOOL request) |
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{ |
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MCS_DATA data; |
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return (iso_recv(conn)) && mcs_io_data(&conn->in, &data, request); |
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} |
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/* Initialise a DOMAIN_PARAMS structure */ |
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void mcs_make_domain_params(DOMAIN_PARAMS *dp, uint16 max_channels, |
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uint16 max_users, uint16 max_tokens, uint16 max_pdusize) |
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{ |
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dp->max_channels = max_channels; |
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dp->max_users = max_users; |
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dp->max_tokens = max_tokens; |
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dp->num_priorities = 1; |
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dp->min_throughput = 0; |
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dp->max_height = 1; |
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dp->max_pdusize = max_pdusize; |
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dp->ver_protocol = 2; |
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} |
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/* RDP-specific 'user data'. Let's just get this right for now - to be |
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decoded later. */ |
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char precanned_connect_userdata[] = { |
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0x00,0x05,0x00,0x14,0x7c,0x00,0x01,0x80,0x9e,0x00,0x08,0x00,0x10,0x00, |
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0x01,0xc0,0x00,0x44,0x75,0x63,0x61,0x80,0x90,0x01,0xc0,0x88,0x00,0x01, |
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0x00,0x08,0x00,0x80,0x02,0xe0,0x01,0x01,0xca,0x03,0xaa,0x09,0x04,0x00, |
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0x00,0xa3,0x01,0x00,0x00,0x52,0x00,0x45,0x00,0x53,0x00,0x31,0x00,0x2d, |
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0x00,0x4e,0x00,0x45,0x00,0x57,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 208 |
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 209 |
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 210 |
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0x00,0x01,0xca,0x00,0x00,0x02,0xc0,0x08,0x00,0x00,0x00,0x00,0x00 }; |
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/* Initialise a MCS_CONNECT_INITIAL structure */ |
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void mcs_make_connect_initial(MCS_CONNECT_INITIAL *mci) |
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{ |
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mci->calling_domain.length = 0; |
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mci->calling_domain.data = NULL; |
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mci->called_domain.length = 0; |
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mci->called_domain.data = NULL; |
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mci->upward_flag = 0xff; |
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mcs_make_domain_params(&mci->target_params, 2, 2, 0, 0xffff); |
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mcs_make_domain_params(&mci->minimum_params, 1, 1, 1, 0x420); |
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mcs_make_domain_params(&mci->maximum_params, 0xffff, 0xfc17, 0xffff, |
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0xffff); |
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mci->user_data.length = sizeof(precanned_connect_userdata); |
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mci->user_data.data = precanned_connect_userdata; |
| 230 |
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mci->length = 2*2 + 3 + 3*34 + 4 + mci->user_data.length; |
| 232 |
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} |
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| 234 |
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/* Marshall/demarshall an ASN.1 BER header */ |
| 235 |
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BOOL ber_io_header(STREAM s, BOOL islong, int tagval, int *length) |
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{ |
| 237 |
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uint16 word_tag; |
| 238 |
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uint8 byte_tag; |
| 239 |
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uint16 word_len; |
| 240 |
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uint8 byte_len; |
| 241 |
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uint8 byte_int; |
| 242 |
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int tag; |
| 243 |
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BOOL res; |
| 244 |
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| 245 |
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/* Read/write tag */ |
| 246 |
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if (islong) { |
| 247 |
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word_tag = tagval; |
| 248 |
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res = msb_io_uint16(s, &word_tag); |
| 249 |
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tag = word_tag; |
| 250 |
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} else { |
| 251 |
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byte_tag = tagval; |
| 252 |
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res = prs_io_uint8(s, &byte_tag); |
| 253 |
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tag = byte_tag; |
| 254 |
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} |
| 255 |
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| 256 |
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if (!res || (tag != tagval)) { |
| 257 |
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fprintf(stderr, "Invalid ASN.1 tag\n"); |
| 258 |
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return False; |
| 259 |
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} |
| 260 |
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| 261 |
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/* Read/write length */ |
| 262 |
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if (s->marshall) |
| 263 |
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{ |
| 264 |
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if (*length >= 0x80) |
| 265 |
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{ |
| 266 |
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byte_len = 0x82; |
| 267 |
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word_len = (uint16)*length; |
| 268 |
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res = prs_io_uint8(s, &byte_len); |
| 269 |
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res = res ? msb_io_uint16(s, &word_len) : False; |
| 270 |
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} |
| 271 |
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else |
| 272 |
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{ |
| 273 |
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byte_len = (uint8)*length; |
| 274 |
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res = prs_io_uint8(s, &byte_len); |
| 275 |
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} |
| 276 |
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} |
| 277 |
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else |
| 278 |
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{ |
| 279 |
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if (!prs_io_uint8(s, &byte_len)) |
| 280 |
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return False; |
| 281 |
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|
| 282 |
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if (byte_len & 0x80) |
| 283 |
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{ |
| 284 |
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byte_len &= ~0x80; |
| 285 |
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*length = 0; |
| 286 |
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while (byte_len--) |
| 287 |
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{ |
| 288 |
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if (!prs_io_uint8(s, &byte_int)) |
| 289 |
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|
return False; |
| 290 |
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|
|
| 291 |
|
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*length <<= 8; |
| 292 |
|
|
*length += byte_int; |
| 293 |
|
|
} |
| 294 |
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|
} |
| 295 |
|
|
else *length = byte_len; |
| 296 |
|
|
} |
| 297 |
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|
|
| 298 |
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return res; |
| 299 |
|
|
} |
| 300 |
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|
|
| 301 |
|
|
/* Marshall/demarshall an octet string (ASN.1 BER) */ |
| 302 |
|
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BOOL ber_io_octet_string(STREAM s, OCTET_STRING *os) |
| 303 |
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{ |
| 304 |
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if (!ber_io_header(s, False, 4, &os->length)) |
| 305 |
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return False; |
| 306 |
|
|
|
| 307 |
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|
if (os->length > s->end - s->offset) |
| 308 |
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|
return False; |
| 309 |
|
|
|
| 310 |
|
|
if (s->marshall) |
| 311 |
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{ |
| 312 |
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memcpy(s->data + s->offset, os->data, os->length); |
| 313 |
|
|
} |
| 314 |
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else |
| 315 |
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{ |
| 316 |
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os->data = malloc(os->length); |
| 317 |
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memcpy(os->data, s->data + s->offset, os->length); |
| 318 |
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} |
| 319 |
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|
|
| 320 |
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s->offset += os->length; |
| 321 |
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return True; |
| 322 |
|
|
} |
| 323 |
|
|
|
| 324 |
|
|
/* Marshall/demarshall an integer (ASN.1 BER) */ |
| 325 |
|
|
BOOL ber_io_integer(STREAM s, uint16 *word_int) |
| 326 |
|
|
{ |
| 327 |
|
|
int length = 2; |
| 328 |
|
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uint8 byte_int; |
| 329 |
|
|
BOOL res; |
| 330 |
|
|
|
| 331 |
|
|
if (!ber_io_header(s, False, 2, &length)) |
| 332 |
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return False; |
| 333 |
|
|
|
| 334 |
|
|
if (s->marshall) |
| 335 |
|
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{ |
| 336 |
|
|
res = msb_io_uint16(s, word_int); |
| 337 |
|
|
} |
| 338 |
|
|
else |
| 339 |
|
|
{ |
| 340 |
|
|
*word_int = 0; |
| 341 |
|
|
while (length--) |
| 342 |
|
|
{ |
| 343 |
|
|
if (!prs_io_uint8(s, &byte_int)) |
| 344 |
|
|
return False; |
| 345 |
|
|
|
| 346 |
|
|
*word_int <<= 8; |
| 347 |
|
|
*word_int += byte_int; |
| 348 |
|
|
} |
| 349 |
|
|
} |
| 350 |
|
|
|
| 351 |
|
|
return res; |
| 352 |
|
|
} |
| 353 |
|
|
|
| 354 |
|
|
/* Marshall/demarshall a simple uint8 type (ASN.1 BER) */ |
| 355 |
|
|
BOOL ber_io_uint8(STREAM s, uint8 *i, int tagval) |
| 356 |
|
|
{ |
| 357 |
|
|
int length = 1; |
| 358 |
|
|
|
| 359 |
|
|
if (!ber_io_header(s, False, tagval, &length)) |
| 360 |
|
|
return False; |
| 361 |
|
|
|
| 362 |
|
|
if (length != 1) |
| 363 |
|
|
{ |
| 364 |
|
|
fprintf(stderr, "Wrong length for simple type\n"); |
| 365 |
|
|
return False; |
| 366 |
|
|
} |
| 367 |
|
|
|
| 368 |
|
|
return prs_io_uint8(s, i); |
| 369 |
|
|
} |
| 370 |
|
|
|
| 371 |
|
|
/* Marshall/demarshall a DOMAIN_PARAMS structure (ASN.1 BER) */ |
| 372 |
|
|
BOOL mcs_io_domain_params(STREAM s, DOMAIN_PARAMS *dp) |
| 373 |
|
|
{ |
| 374 |
|
|
int length = 32; |
| 375 |
|
|
BOOL res; |
| 376 |
|
|
|
| 377 |
|
|
res = ber_io_header(s, False, 0x30, &length); |
| 378 |
|
|
res = res ? ber_io_integer(s, &dp->max_channels ) : False; |
| 379 |
|
|
res = res ? ber_io_integer(s, &dp->max_users ) : False; |
| 380 |
|
|
res = res ? ber_io_integer(s, &dp->max_tokens ) : False; |
| 381 |
|
|
res = res ? ber_io_integer(s, &dp->num_priorities) : False; |
| 382 |
|
|
res = res ? ber_io_integer(s, &dp->min_throughput) : False; |
| 383 |
|
|
res = res ? ber_io_integer(s, &dp->max_height ) : False; |
| 384 |
|
|
res = res ? ber_io_integer(s, &dp->max_pdusize ) : False; |
| 385 |
|
|
res = res ? ber_io_integer(s, &dp->ver_protocol ) : False; |
| 386 |
|
|
|
| 387 |
|
|
return res; |
| 388 |
|
|
} |
| 389 |
|
|
|
| 390 |
|
|
/* Marshall/demarshall a MCS_CONNECT_INITIAL structure (ASN.1 BER) */ |
| 391 |
|
|
BOOL mcs_io_connect_initial(STREAM s, MCS_CONNECT_INITIAL *mci) |
| 392 |
|
|
{ |
| 393 |
|
|
BOOL res; |
| 394 |
|
|
|
| 395 |
|
|
res = ber_io_header(s, True, 0x7f65, &mci->length); |
| 396 |
|
|
res = res ? ber_io_octet_string (s, &mci->calling_domain) : False; |
| 397 |
|
|
res = res ? ber_io_octet_string (s, &mci->called_domain ) : False; |
| 398 |
|
|
res = res ? ber_io_uint8 (s, &mci->upward_flag, 1) : False; |
| 399 |
|
|
res = res ? mcs_io_domain_params(s, &mci->target_params ) : False; |
| 400 |
|
|
res = res ? mcs_io_domain_params(s, &mci->minimum_params) : False; |
| 401 |
|
|
res = res ? mcs_io_domain_params(s, &mci->maximum_params) : False; |
| 402 |
|
|
res = res ? ber_io_octet_string (s, &mci->user_data ) : False; |
| 403 |
|
|
|
| 404 |
|
|
return res; |
| 405 |
|
|
} |
| 406 |
|
|
|
| 407 |
|
|
/* Marshall/demarshall a MCS_CONNECT_RESPONSE structure (ASN.1 BER) */ |
| 408 |
|
|
BOOL mcs_io_connect_response(STREAM s, MCS_CONNECT_RESPONSE *mcr) |
| 409 |
|
|
{ |
| 410 |
|
|
BOOL res; |
| 411 |
|
|
|
| 412 |
|
|
res = ber_io_header(s, True, 0x7f66, &mcr->length); |
| 413 |
|
|
res = res ? ber_io_uint8 (s, &mcr->result, 10 ) : False; |
| 414 |
|
|
res = res ? ber_io_integer (s, &mcr->connect_id ) : False; |
| 415 |
|
|
res = res ? mcs_io_domain_params(s, &mcr->domain_params) : False; |
| 416 |
|
|
res = res ? ber_io_octet_string (s, &mcr->user_data ) : False; |
| 417 |
|
|
|
| 418 |
|
|
return res; |
| 419 |
|
|
} |
| 420 |
|
|
|
| 421 |
|
|
/* Marshall/demarshall an EDrq structure (ASN.1 PER) */ |
| 422 |
|
|
BOOL mcs_io_edrq(STREAM s, MCS_EDRQ *edrq) |
| 423 |
|
|
{ |
| 424 |
|
|
uint8 opcode = (1) << 2; |
| 425 |
|
|
uint8 pkt_opcode = opcode; |
| 426 |
|
|
BOOL res; |
| 427 |
|
|
|
| 428 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 429 |
|
|
if (pkt_opcode != opcode) |
| 430 |
|
|
{ |
| 431 |
|
|
fprintf(stderr, "Expected EDrq, received %x\n", pkt_opcode); |
| 432 |
|
|
return False; |
| 433 |
|
|
} |
| 434 |
|
|
|
| 435 |
|
|
res = res ? msb_io_uint16(s, &edrq->height ) : False; |
| 436 |
|
|
res = res ? msb_io_uint16(s, &edrq->interval) : False; |
| 437 |
|
|
|
| 438 |
|
|
return res; |
| 439 |
|
|
} |
| 440 |
|
|
|
| 441 |
|
|
/* Marshall/demarshall an AUrq structure (ASN.1 PER) */ |
| 442 |
|
|
BOOL mcs_io_aurq(STREAM s, MCS_AURQ *aurq) |
| 443 |
|
|
{ |
| 444 |
|
|
uint8 opcode = (10) << 2; |
| 445 |
|
|
uint8 pkt_opcode = opcode; |
| 446 |
|
|
BOOL res; |
| 447 |
|
|
|
| 448 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 449 |
|
|
if (pkt_opcode != opcode) |
| 450 |
|
|
{ |
| 451 |
|
|
fprintf(stderr, "Expected AUrq, received %x\n", pkt_opcode); |
| 452 |
|
|
return False; |
| 453 |
|
|
} |
| 454 |
|
|
|
| 455 |
|
|
return res; |
| 456 |
|
|
} |
| 457 |
|
|
|
| 458 |
|
|
/* Marshall/demarshall an AUcf structure (ASN.1 PER) */ |
| 459 |
|
|
BOOL mcs_io_aucf(STREAM s, MCS_AUCF *aucf) |
| 460 |
|
|
{ |
| 461 |
|
|
uint8 opcode = (11) << 2; |
| 462 |
|
|
uint8 pkt_opcode = opcode | 2; |
| 463 |
|
|
BOOL res; |
| 464 |
|
|
|
| 465 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 466 |
|
|
if ((pkt_opcode & 0xfc) != opcode) |
| 467 |
|
|
{ |
| 468 |
|
|
fprintf(stderr, "Expected AUcf, received %x\n", pkt_opcode); |
| 469 |
|
|
return False; |
| 470 |
|
|
} |
| 471 |
|
|
|
| 472 |
|
|
res = res ? prs_io_uint8 (s, &aucf->result) : False; |
| 473 |
|
|
if (pkt_opcode & 2) |
| 474 |
|
|
res = res ? msb_io_uint16(s, &aucf->userid) : False; |
| 475 |
|
|
|
| 476 |
|
|
return res; |
| 477 |
|
|
} |
| 478 |
|
|
|
| 479 |
|
|
/* Marshall/demarshall an CJrq structure (ASN.1 PER) */ |
| 480 |
|
|
BOOL mcs_io_cjrq(STREAM s, MCS_CJRQ *cjrq) |
| 481 |
|
|
{ |
| 482 |
|
|
uint8 opcode = (14) << 2; |
| 483 |
|
|
uint8 pkt_opcode = opcode; |
| 484 |
|
|
BOOL res; |
| 485 |
|
|
|
| 486 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 487 |
|
|
if (pkt_opcode != opcode) |
| 488 |
|
|
{ |
| 489 |
|
|
fprintf(stderr, "Expected CJrq, received %x\n", pkt_opcode); |
| 490 |
|
|
return False; |
| 491 |
|
|
} |
| 492 |
|
|
|
| 493 |
|
|
res = res ? msb_io_uint16(s, &cjrq->userid) : False; |
| 494 |
|
|
res = res ? msb_io_uint16(s, &cjrq->chanid) : False; |
| 495 |
|
|
|
| 496 |
|
|
return res; |
| 497 |
|
|
} |
| 498 |
|
|
|
| 499 |
|
|
/* Marshall/demarshall an CJcf structure (ASN.1 PER) */ |
| 500 |
|
|
BOOL mcs_io_cjcf(STREAM s, MCS_CJCF *cjcf) |
| 501 |
|
|
{ |
| 502 |
|
|
uint8 opcode = (15) << 2; |
| 503 |
|
|
uint8 pkt_opcode = opcode | 2; |
| 504 |
|
|
BOOL res; |
| 505 |
|
|
|
| 506 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 507 |
|
|
if ((pkt_opcode & 0xfc) != opcode) |
| 508 |
|
|
{ |
| 509 |
|
|
fprintf(stderr, "Expected CJcf, received %x\n", pkt_opcode); |
| 510 |
|
|
return False; |
| 511 |
|
|
} |
| 512 |
|
|
|
| 513 |
|
|
res = res ? prs_io_uint8 (s, &cjcf->result) : False; |
| 514 |
|
|
res = res ? msb_io_uint16(s, &cjcf->userid) : False; |
| 515 |
|
|
res = res ? msb_io_uint16(s, &cjcf->req_chanid) : False; |
| 516 |
|
|
if (pkt_opcode & 2) |
| 517 |
|
|
res = res ? msb_io_uint16(s, &cjcf->join_chanid) : False; |
| 518 |
|
|
|
| 519 |
|
|
return res; |
| 520 |
|
|
} |
| 521 |
|
|
|
| 522 |
|
|
/* Marshall/demarshall an SDrq or SDin packet (ASN.1 PER) */ |
| 523 |
|
|
BOOL mcs_io_data(STREAM s, MCS_DATA *dt, BOOL request) |
| 524 |
|
|
{ |
| 525 |
|
|
uint8 opcode = (request ? 25 : 26) << 2; |
| 526 |
|
|
uint8 pkt_opcode = opcode; |
| 527 |
|
|
BOOL res; |
| 528 |
|
|
|
| 529 |
|
|
res = prs_io_uint8(s, &pkt_opcode); |
| 530 |
|
|
if (pkt_opcode != opcode) |
| 531 |
|
|
{ |
| 532 |
|
|
fprintf(stderr, "Expected MCS data, received %x\n", pkt_opcode); |
| 533 |
|
|
return False; |
| 534 |
|
|
} |
| 535 |
|
|
|
| 536 |
|
|
dt->length |= 0x8000; |
| 537 |
|
|
|
| 538 |
|
|
res = res ? msb_io_uint16(s, &dt->userid) : False; |
| 539 |
|
|
res = res ? msb_io_uint16(s, &dt->chanid) : False; |
| 540 |
|
|
res = res ? prs_io_uint8 (s, &dt->flags ) : False; |
| 541 |
|
|
res = res ? msb_io_uint16(s, &dt->length) : False; |
| 542 |
|
|
|
| 543 |
|
|
return res; |
| 544 |
|
|
} |
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