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      1 /*
      2  * ipcp.h - IP Control Protocol definitions.
      3  *
      4  * Copyright (c) 1984-2000 Carnegie Mellon University. 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  *
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in
     15  *    the documentation and/or other materials provided with the
     16  *    distribution.
     17  *
     18  * 3. The name "Carnegie Mellon University" must not be used to
     19  *    endorse or promote products derived from this software without
     20  *    prior written permission. For permission or any legal
     21  *    details, please contact
     22  *      Office of Technology Transfer
     23  *      Carnegie Mellon University
     24  *      5000 Forbes Avenue
     25  *      Pittsburgh, PA  15213-3890
     26  *      (412) 268-4387, fax: (412) 268-7395
     27  *      tech-transfer (at) andrew.cmu.edu
     28  *
     29  * 4. Redistributions of any form whatsoever must retain the following
     30  *    acknowledgment:
     31  *    "This product includes software developed by Computing Services
     32  *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
     33  *
     34  * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
     35  * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
     36  * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
     37  * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     38  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
     39  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
     40  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     41  *
     42  * $Id: ipcp.h,v 1.14 2002/12/04 23:03:32 paulus Exp $
     43  */
     44 
     45 /*
     46  * Options.
     47  */
     48 #define CI_ADDRS	1	/* IP Addresses */
     49 #define CI_COMPRESSTYPE	2	/* Compression Type */
     50 #define	CI_ADDR		3
     51 
     52 #define CI_MS_DNS1	129	/* Primary DNS value */
     53 #define CI_MS_WINS1	130	/* Primary WINS value */
     54 #define CI_MS_DNS2	131	/* Secondary DNS value */
     55 #define CI_MS_WINS2	132	/* Secondary WINS value */
     56 
     57 #define MAX_STATES 16		/* from slcompress.h */
     58 
     59 #define IPCP_VJMODE_OLD 1	/* "old" mode (option # = 0x0037) */
     60 #define IPCP_VJMODE_RFC1172 2	/* "old-rfc"mode (option # = 0x002d) */
     61 #define IPCP_VJMODE_RFC1332 3	/* "new-rfc"mode (option # = 0x002d, */
     62                                 /*  maxslot and slot number compression) */
     63 
     64 #define IPCP_VJ_COMP 0x002d	/* current value for VJ compression option*/
     65 #define IPCP_VJ_COMP_OLD 0x0037	/* "old" (i.e, broken) value for VJ */
     66 				/* compression option*/
     67 
     68 typedef struct ipcp_options {
     69     bool neg_addr;		/* Negotiate IP Address? */
     70     bool old_addrs;		/* Use old (IP-Addresses) option? */
     71     bool req_addr;		/* Ask peer to send IP address? */
     72     bool default_route;		/* Assign default route through interface? */
     73     bool proxy_arp;		/* Make proxy ARP entry for peer? */
     74     bool neg_vj;		/* Van Jacobson Compression? */
     75     bool old_vj;		/* use old (short) form of VJ option? */
     76     bool accept_local;		/* accept peer's value for ouraddr */
     77     bool accept_remote;		/* accept peer's value for hisaddr */
     78     bool req_dns1;		/* Ask peer to send primary DNS address? */
     79     bool req_dns2;		/* Ask peer to send secondary DNS address? */
     80     int  vj_protocol;		/* protocol value to use in VJ option */
     81     int  maxslotindex;		/* values for RFC1332 VJ compression neg. */
     82     bool cflag;
     83     u_int32_t ouraddr, hisaddr;	/* Addresses in NETWORK BYTE ORDER */
     84     u_int32_t dnsaddr[2];	/* Primary and secondary MS DNS entries */
     85     u_int32_t winsaddr[2];	/* Primary and secondary MS WINS entries */
     86 } ipcp_options;
     87 
     88 extern fsm ipcp_fsm[];
     89 extern ipcp_options ipcp_wantoptions[];
     90 extern ipcp_options ipcp_gotoptions[];
     91 extern ipcp_options ipcp_allowoptions[];
     92 extern ipcp_options ipcp_hisoptions[];
     93 
     94 char *ip_ntoa __P((u_int32_t));
     95 
     96 extern struct protent ipcp_protent;
     97