1 /* $OpenBSD: net.h,v 1.5 2006/06/02 20:09:43 mcbride Exp $ */ 2 3 /* 4 * Copyright (c) 2005 H�kan Olsson. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * This code was written under funding by Multicom Security AB. 30 */ 31 32 33 struct qmsg; 34 struct syncpeer { 35 LIST_ENTRY(syncpeer) link; 36 37 char *name; /* FQDN or an IP, from conf */ 38 struct sockaddr *sa; 39 int socket; 40 enum RUNSTATE runstate; 41 42 SIMPLEQ_HEAD(, qmsg) msgs; 43 }; 44 45 /* Control message types. */ 46 enum CTLTYPE { RESERVED = 0, CTL_STATE, CTL_ERROR, CTL_ACK, 47 CTL_ENDSNAP, CTL_UNKNOWN }; 48 #define CTLTYPES { \ 49 "RESERVED", "CTL_STATE", "CTL_ERROR", "CTL_ACK", \ 50 "CTL_ENDSNAP", "CTL_UNKNOWN" \ 51 }; 52 53 /* net.c */ 54 void net_connect(void); 55 void net_disconnect_peer(struct syncpeer *); 56 57 /* net_ctl.c */ 58 void net_ctl_handle_msg(struct syncpeer *, u_int8_t *, u_int32_t); 59 int net_ctl_send_ack(struct syncpeer *, enum CTLTYPE, u_int32_t); 60 int net_ctl_send_error(struct syncpeer *, enum CTLTYPE); 61 int net_ctl_send_endsnap(struct syncpeer *); 62 int net_ctl_send_state(struct syncpeer *); 63 64