| /*- |
| * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> |
| * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> |
| * Internet Initiative Japan, Inc (IIJ) |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * $FreeBSD: src/usr.sbin/ppp/lcp.h,v 1.31.26.1 2010/12/21 17:10:29 kensmith Exp $ |
| */ |
| |
| /* callback::opmask values */ |
| #define CALLBACK_AUTH (0) |
| #define CALLBACK_DIALSTRING (1) /* Don't do this */ |
| #define CALLBACK_LOCATION (2) /* Don't do this */ |
| #define CALLBACK_E164 (3) |
| #define CALLBACK_NAME (4) /* Don't do this */ |
| #define CALLBACK_CBCP (6) |
| #define CALLBACK_NONE (14) /* No callback is ok */ |
| |
| #define CALLBACK_BIT(n) ((n) < 0 ? 0 : 1 << (n)) |
| |
| struct callback { |
| int opmask; /* want these types of callback */ |
| char msg[SCRIPT_LEN]; /* with this data (E.164) */ |
| }; |
| |
| #define REJECTED(p, x) ((p)->his_reject & (1<<(x))) |
| |
| struct lcp { |
| struct fsm fsm; /* The finite state machine */ |
| u_int16_t his_mru; /* Peers maximum packet size */ |
| u_int16_t his_mrru; /* Peers maximum reassembled packet size (MP) */ |
| u_int32_t his_accmap; /* Peeers async char control map */ |
| u_int32_t his_magic; /* Peers magic number */ |
| u_int32_t his_lqrperiod; /* Peers LQR frequency (100ths of seconds) */ |
| u_short his_auth; /* Peer wants this type of authentication */ |
| u_char his_authtype; /* Fifth octet of REQ/NAK/REJ */ |
| struct callback his_callback; /* Peer wants callback ? */ |
| unsigned his_shortseq : 1; /* Peer would like only 12bit seqs (MP) */ |
| unsigned his_protocomp : 1; /* Does peer do Protocol field compression */ |
| unsigned his_acfcomp : 1; /* Does peer do addr & cntrl fld compression */ |
| unsigned mru_req : 1; /* Has the peer requested an MRU */ |
| |
| u_short want_mru; /* Our maximum packet size */ |
| u_short want_mrru; /* Our maximum reassembled packet size (MP) */ |
| u_int32_t want_accmap; /* Our async char control map */ |
| u_int32_t want_magic; /* Our magic number */ |
| u_int32_t want_lqrperiod; /* Our LQR frequency (100ths of seconds) */ |
| u_short want_auth; /* We want this type of authentication */ |
| u_char want_authtype; /* Fifth octet of REQ/NAK/REJ */ |
| struct callback want_callback;/* We want callback ? */ |
| unsigned want_shortseq : 1; /* I'd like only 12bit seqs (MP) */ |
| unsigned want_protocomp : 1; /* Do we do protocol field compression */ |
| unsigned want_acfcomp : 1; /* Do we do addr & cntrl fld compression */ |
| |
| u_int32_t his_reject; /* Request codes rejected by peer */ |
| u_int32_t my_reject; /* Request codes I have rejected */ |
| |
| u_short auth_iwait; /* I must authenticate to the peer */ |
| u_short auth_ineed; /* I require that the peer authenticates */ |
| |
| int LcpFailedMagic; /* Number of `magic is same' errors */ |
| |
| struct { |
| u_short mru; /* Preferred MRU value */ |
| u_short max_mru; /* Preferred MRU value */ |
| u_short mtu; /* Preferred MTU */ |
| u_short max_mtu; /* Preferred MTU */ |
| u_int32_t accmap; /* Initial ACCMAP value */ |
| int openmode; /* when to start CFG REQs */ |
| u_int32_t lqrperiod; /* LQR frequency (seconds) */ |
| struct fsm_retry fsm; /* How often/frequently to resend requests */ |
| unsigned acfcomp : 2; /* Address & Control Field Compression neg */ |
| unsigned chap05 : 2; /* Challenge Handshake Authentication proto */ |
| #ifndef NODES |
| unsigned chap80nt : 2; /* Microsoft (NT) CHAP */ |
| unsigned chap80lm : 2; /* Microsoft (LANMan) CHAP */ |
| unsigned chap81 : 2; /* Microsoft CHAP v2 */ |
| #endif |
| unsigned lqr : 2; /* Link Quality Report */ |
| unsigned echo : 1; /* Send echo Requests */ |
| unsigned pap : 2; /* Password Authentication protocol */ |
| unsigned protocomp : 2; /* Protocol field compression */ |
| char ident[DEF_MRU - 7]; /* SendIdentification() data */ |
| } cfg; |
| }; |
| |
| #define LCP_MAXCODE CODE_IDENT |
| #define LCP_MINMPCODE CODE_CODEREJ |
| |
| #define TY_MRU 1 /* Maximum-Receive-Unit */ |
| #define TY_ACCMAP 2 /* Async-Control-Character-Map */ |
| #define TY_AUTHPROTO 3 /* Authentication-Protocol */ |
| #define TY_QUALPROTO 4 /* Quality-Protocol */ |
| #define TY_MAGICNUM 5 /* Magic-Number */ |
| #define TY_RESERVED 6 /* RESERVED */ |
| #define TY_PROTOCOMP 7 /* Protocol-Field-Compression */ |
| #define TY_ACFCOMP 8 /* Address-and-Control-Field-Compression */ |
| #define TY_FCSALT 9 /* FCS-Alternatives */ |
| #define TY_SDP 10 /* Self-Describing-Padding */ |
| #define TY_CALLBACK 13 /* Callback */ |
| #define TY_CFRAMES 15 /* Compound-frames */ |
| #define TY_MRRU 17 /* Max Reconstructed Receive Unit (MP) */ |
| #define TY_SHORTSEQ 18 /* Want short seqs (12bit) please (see mp.h) */ |
| #define TY_ENDDISC 19 /* Endpoint discriminator */ |
| |
| struct mbuf; |
| struct link; |
| struct bundle; |
| struct cmdargs; |
| |
| #define fsm2lcp(fp) (fp->proto == PROTO_LCP ? (struct lcp *)fp : NULL) |
| |
| extern void lcp_Init(struct lcp *, struct bundle *, struct link *, |
| const struct fsm_parent *); |
| extern void lcp_Setup(struct lcp *, int); |
| |
| extern void lcp_SendProtoRej(struct lcp *, u_char *, int); |
| extern int lcp_SendIdentification(struct lcp *); |
| extern void lcp_RecvIdentification(struct lcp *, char *); |
| extern int lcp_ReportStatus(struct cmdargs const *); |
| extern struct mbuf *lcp_Input(struct bundle *, struct link *, struct mbuf *); |
| extern void lcp_SetupCallbacks(struct lcp *); |
