2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
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)
42 #define DATALINK_MAXNAME (20) /* Maximum datalink::name length */
44 /* How to close the link */
45 #define CLOSE_NORMAL 0
46 #define CLOSE_STAYDOWN 1
55 struct descriptor desc; /* We play either a physical or a chat */
56 int state; /* Our DATALINK_* state */
57 struct physical *physical; /* Our link */
59 struct chat chat; /* For bringing the link up & down */
61 unsigned stayonline : 1; /* stay online when LCP is closed ? */
63 unsigned run : 1; /* run scripts ? */
64 unsigned packetmode : 1; /* Go into packet mode after login ? */
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 */
75 char list[SCRIPT_LEN]; /* Telephone Numbers */
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) */
85 int max; /* initially try again this number of times */
86 int timeout; /* Timeout before reconnect on carrier loss */
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 */
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 */
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 */
107 unsigned reconnect_tries; /* currently try again this number of times */
109 char *name; /* Our name */
111 struct peerid peer; /* Peer identification */
113 struct fsm_parent fsmp; /* Our callback functions */
114 const struct fsm_parent *parent; /* Our parent */
116 struct authinfo pap; /* Authentication using pap */
117 struct chap chap; /* Authentication using chap */
119 struct mp_link mp; /* multilink data */
121 struct bundle *bundle; /* for the moment */
122 struct datalink *next; /* Next in the list */
125 #define descriptor2datalink(d) \
126 ((d)->type == DATALINK_DESCRIPTOR ? (struct datalink *)(d) : NULL)
128 extern struct datalink *datalink_Create(const char *name, struct bundle *, int);
129 extern struct datalink *datalink_Clone(struct datalink *, const char *);
130 extern struct datalink *iov2datalink(struct bundle *, struct iovec *, int *,
131 int, int, int *, int *);
132 extern int datalink2iov(struct datalink *, struct iovec *, int *, int, int *,
134 extern struct datalink *datalink_Destroy(struct datalink *);
135 extern void datalink_GotAuthname(struct datalink *, const char *);
136 extern void datalink_Up(struct datalink *, int, int);
137 extern void datalink_Close(struct datalink *, int);
138 extern void datalink_Down(struct datalink *, int);
139 extern void datalink_StayDown(struct datalink *);
140 extern void datalink_DontHangup(struct datalink *);
141 extern void datalink_AuthOk(struct datalink *);
142 extern void datalink_AuthNotOk(struct datalink *);
143 extern void datalink_NCPUp(struct datalink *);
144 extern void datalink_CBCPComplete(struct datalink *);
145 extern void datalink_CBCPFailed(struct datalink *);
146 extern int datalink_Show(struct cmdargs const *);
147 extern int datalink_SetRedial(struct cmdargs const *);
148 extern int datalink_SetReconnect(struct cmdargs const *);
149 extern const char *datalink_State(struct datalink *);
150 extern void datalink_Rename(struct datalink *, const char *);
151 extern char *datalink_NextName(struct datalink *);
152 extern int datalink_RemoveFromSet(struct datalink *, fd_set *, fd_set *,
154 extern int datalink_SetMode(struct datalink *, int);
155 extern int datalink_GetDialTimeout(struct datalink *);
156 extern const char *datalink_ChoosePhoneNumber(struct datalink *);