1 /* $OpenBSD: ipcp.h,v 1.8 2024/08/09 05:16:13 deraadt Exp $ */ 2 3 /* 4 * ipcp.h - IP Control Protocol definitions. 5 * 6 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. The name "Carnegie Mellon University" must not be used to 21 * endorse or promote products derived from this software without 22 * prior written permission. For permission or any legal 23 * details, please contact 24 * Office of Technology Transfer 25 * Carnegie Mellon University 26 * 5000 Forbes Avenue 27 * Pittsburgh, PA 15213-3890 28 * (412) 268-4387, fax: (412) 268-7395 29 * tech-transfer@andrew.cmu.edu 30 * 31 * 4. Redistributions of any form whatsoever must retain the following 32 * acknowledgment: 33 * "This product includes software developed by Computing Services 34 * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 35 * 36 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 37 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 38 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 39 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 40 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 41 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 42 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 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 u_int neg_addr : 1; /* Negotiate IP Address? */ 70 u_int old_addrs : 1; /* Use old (IP-Addresses) option? */ 71 u_int req_addr : 1; /* Ask peer to send IP address? */ 72 u_int default_route : 1; /* Assign default route through interface? */ 73 u_int proxy_arp : 1; /* Make proxy ARP entry for peer? */ 74 u_int neg_vj : 1; /* Van Jacobson Compression? */ 75 u_int old_vj : 1; /* use old (short) form of VJ option? */ 76 u_int accept_local : 1; /* accept peer's value for ouraddr */ 77 u_int accept_remote : 1; /* accept peer's value for hisaddr */ 78 u_short vj_protocol; /* protocol value to use in VJ option */ 79 u_char maxslotindex, cflag; /* values for RFC1332 VJ compression neg. */ 80 u_int32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */ 81 u_int32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */ 82 u_int32_t winsaddr[2]; /* Primary and secondary MS WINS entries */ 83 } ipcp_options; 84 85 extern fsm ipcp_fsm[]; 86 extern ipcp_options ipcp_wantoptions[]; 87 extern ipcp_options ipcp_gotoptions[]; 88 extern ipcp_options ipcp_allowoptions[]; 89 extern ipcp_options ipcp_hisoptions[]; 90 91 char *ip_ntoa(u_int32_t); 92 93 extern struct protent ipcp_protent; 94