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Diffstat (limited to 'src/lcp.h')
| -rw-r--r-- | src/lcp.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/lcp.h b/src/lcp.h new file mode 100644 index 0000000..63b71d8 --- /dev/null +++ b/src/lcp.h @@ -0,0 +1,143 @@ +/*- + * 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 *); |