1/*- 2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29#define DATALINK_CLOSED (0) 30#define DATALINK_OPENING (1) 31#define DATALINK_HANGUP (2) 32#define DATALINK_DIAL (3) 33#define DATALINK_CARRIER (4) 34#define DATALINK_LOGOUT (5) 35#define DATALINK_LOGIN (6) 36#define DATALINK_READY (7) 37#define DATALINK_LCP (8) 38#define DATALINK_AUTH (9) 39#define DATALINK_CBCP (10) 40#define DATALINK_OPEN (11) 41 42#define DATALINK_MAXNAME (20) /* Maximum datalink::name length */ 43 44/* How to close the link */ 45#define CLOSE_NORMAL 0 46#define CLOSE_STAYDOWN 1 47#define CLOSE_LCP 2 48 49struct iovec; 50struct prompt; 51struct physical; 52struct bundle; 53 54struct datalink { 55 struct fdescriptor desc; /* We play either a physical or a chat */ 56 unsigned state; /* Our DATALINK_* state */ 57 struct physical *physical; /* Our link */ 58 59 struct chat chat; /* For bringing the link up & down */ 60 61 unsigned stayonline : 1; /* stay online when LCP is closed ? */ 62 struct { 63 unsigned run : 1; /* run scripts ? */ 64 unsigned packetmode : 1; /* Go into packet mode after login ? */ 65 } script; 66 67 struct { 68 struct { 69 char dial[SCRIPT_LEN]; 70 char login[SCRIPT_LEN]; 71 char logout[SCRIPT_LEN]; 72 char hangup[SCRIPT_LEN]; 73 } script; /* various chat scripts */ 74 struct { 75 char list[SCRIPT_LEN]; /* Telephone Numbers */ 76 } phone; 77 struct { 78 int max; /* initially try again this number of times */ 79 int next_timeout; /* Redial next timeout value */ 80 int inc; /* Increment timeout by `inc' each time read */ 81 int maxinc; /* Maximum number of increments */ 82 int timeout; /* Redial timeout value (end of phone list) */ 83 } dial; 84 struct { 85 int max; /* initially try again this number of times */ 86 int timeout; /* Timeout before reconnect on carrier loss */ 87 } reconnect; 88 struct callback callback; /* Direction depends on physical type */ 89 struct cbcpcfg cbcp; /* Direction depends on phys type & callback */ 90 } cfg; /* All our config data is in here */ 91 92 struct { 93 char list[SCRIPT_LEN]; /* copy of cfg.list for strsep() */ 94 char *next; /* Next phone from the list */ 95 char *alt; /* Alternate (after fail) phone from the list */ 96 const char *chosen; /* Chosen phone number after DIAL */ 97 } phone; 98 99 struct cbcp cbcp; 100 101 struct { 102 struct pppTimer timer; /* For timing between close & open */ 103 int tries; /* currently try again this number of times */ 104 int incs; /* # times our timeout has been incremented */ 105 } dial; 106 107 unsigned reconnect_tries; /* currently try again this number of times */ 108 109 char *name; /* Our name */ 110 111 struct peerid peer; /* Peer identification */ 112 113 struct fsm_parent fsmp; /* Our callback functions */ 114 const struct fsm_parent *parent; /* Our parent */ 115 116 struct authinfo pap; /* Authentication using pap */ 117 struct chap chap; /* Authentication using chap */ 118 119 struct mp_link mp; /* multilink data */ 120 121 struct bundle *bundle; /* for the moment */ 122 struct datalink *next; /* Next in the list */ 123}; 124 125#define descriptor2datalink(d) \ 126 ((d)->type == DATALINK_DESCRIPTOR ? (struct datalink *)(d) : NULL) 127 128extern struct datalink *datalink_Create(const char *name, struct bundle *, int); 129extern struct datalink *datalink_Clone(struct datalink *, const char *); 130extern struct datalink *iov2datalink(struct bundle *, struct iovec *, int *, 131 int, int, int *, int *); 132extern int datalink2iov(struct datalink *, struct iovec *, int *, int, int *, 133 int *); 134extern struct datalink *datalink_Destroy(struct datalink *); 135extern void datalink_GotAuthname(struct datalink *, const char *); 136extern void datalink_Up(struct datalink *, int, int); 137extern void datalink_Close(struct datalink *, int); 138extern void datalink_Down(struct datalink *, int); 139extern void datalink_StayDown(struct datalink *); 140extern void datalink_DontHangup(struct datalink *); 141extern void datalink_AuthOk(struct datalink *); 142extern void datalink_AuthNotOk(struct datalink *); 143extern void datalink_NCPUp(struct datalink *); 144extern void datalink_CBCPComplete(struct datalink *); 145extern void datalink_CBCPFailed(struct datalink *); 146extern int datalink_Show(struct cmdargs const *); 147extern int datalink_SetRedial(struct cmdargs const *); 148extern int datalink_SetReconnect(struct cmdargs const *); 149extern const char *datalink_State(struct datalink *); 150extern void datalink_Rename(struct datalink *, const char *); 151extern int datalink_RemoveFromSet(struct datalink *, fd_set *, fd_set *, 152 fd_set *); 153extern int datalink_SetMode(struct datalink *, int); 154extern int datalink_GetDialTimeout(struct datalink *); 155extern const char *datalink_ChoosePhoneNumber(struct datalink *); 156extern void datalink_ComeDown(struct datalink *, int); 157