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/* $OpenBSD: ipcp.h,v 1.8 2024/08/09 05:16:13 deraadt Exp $ */
/*
* ipcp.h - IP Control Protocol definitions.
*
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Options.
*/
#define CI_ADDRS 1 /* IP Addresses */
#define CI_COMPRESSTYPE 2 /* Compression Type */
#define CI_ADDR 3
#define CI_MS_DNS1 129 /* Primary DNS value */
#define CI_MS_WINS1 130 /* Primary WINS value */
#define CI_MS_DNS2 131 /* Secondary DNS value */
#define CI_MS_WINS2 132 /* Secondary WINS value */
#define MAX_STATES 16 /* from slcompress.h */
#define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
#define IPCP_VJMODE_RFC1172 2 /* "old-rfc"mode (option # = 0x002d) */
#define IPCP_VJMODE_RFC1332 3 /* "new-rfc"mode (option # = 0x002d, */
/* maxslot and slot number compression) */
#define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
#define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
/* compression option*/
typedef struct ipcp_options {
u_int neg_addr : 1; /* Negotiate IP Address? */
u_int old_addrs : 1; /* Use old (IP-Addresses) option? */
u_int req_addr : 1; /* Ask peer to send IP address? */
u_int default_route : 1; /* Assign default route through interface? */
u_int proxy_arp : 1; /* Make proxy ARP entry for peer? */
u_int neg_vj : 1; /* Van Jacobson Compression? */
u_int old_vj : 1; /* use old (short) form of VJ option? */
u_int accept_local : 1; /* accept peer's value for ouraddr */
u_int accept_remote : 1; /* accept peer's value for hisaddr */
u_short vj_protocol; /* protocol value to use in VJ option */
u_char maxslotindex, cflag; /* values for RFC1332 VJ compression neg. */
u_int32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
u_int32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
u_int32_t winsaddr[2]; /* Primary and secondary MS WINS entries */
} ipcp_options;
extern fsm ipcp_fsm[];
extern ipcp_options ipcp_wantoptions[];
extern ipcp_options ipcp_gotoptions[];
extern ipcp_options ipcp_allowoptions[];
extern ipcp_options ipcp_hisoptions[];
char *ip_ntoa(u_int32_t);
extern struct protent ipcp_protent;
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