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 PHASE_DEAD 0 /* Link is dead */
30 #define PHASE_ESTABLISH 1 /* Establishing link */
31 #define PHASE_AUTHENTICATE 2 /* Being authenticated */
32 #define PHASE_NETWORK 3 /* We're alive ! */
33 #define PHASE_TERMINATE 4 /* Terminating link */
35 /* cfg.opt bit settings */
36 #define OPT_FILTERDECAP 1
37 #define OPT_FORCE_SCRIPTS 2 /* force chat scripts */
39 #define OPT_IFACEALIAS 4
44 #define OPT_KEEPSESSION 7
45 #define OPT_LOOPBACK 8
46 #define OPT_NAS_IP_ADDRESS 9
47 #define OPT_NAS_IDENTIFIER 10
48 #define OPT_PASSWDAUTH 11
50 #define OPT_PROXYALL 13
51 #define OPT_SROUTES 14
52 #define OPT_TCPMSSFIXUP 15
53 #define OPT_THROUGHPUT 16
57 #define MAX_ENDDISC_CLASS 5
59 #define Enabled(b, o) ((b)->cfg.optmask & (1ull << (o)))
60 #define opt_enable(b, o) ((b)->cfg.optmask |= (1ull << (o)))
61 #define opt_disable(b, o) ((b)->cfg.optmask &= ~(1ull << (o)))
63 /* AutoAdjust() values */
76 struct fdescriptor desc; /* really all our datalinks */
77 int unit; /* The device/interface unit number */
80 char Name[20]; /* The /dev/XXXX name */
81 int fd; /* The /dev/XXXX descriptor */
82 unsigned header : 1; /* Family header sent & received ? */
85 u_long bandwidth; /* struct tuninfo speed */
86 struct iface *iface; /* Interface information */
88 int routing_seq; /* The current routing sequence number */
89 u_int phase; /* Curent phase */
92 int all; /* Union of all physical::type's */
93 int open; /* Union of all open physical::type's */
96 unsigned CleaningUp : 1; /* Going to exit.... */
97 unsigned NatEnabled : 1; /* Are we using libalias ? */
99 struct fsm_parent fsm; /* Our callback functions */
100 struct datalink *links; /* Our data links */
102 time_t upat; /* When the link came up */
106 unsigned timeout; /* NCP Idle timeout value */
107 unsigned min_timeout; /* Don't idle out before this */
110 char name[AUTHLEN]; /* PAP/CHAP system name */
111 char key[AUTHLEN]; /* PAP/CHAP key */
113 unsigned long long optmask; /* Uses OPT_ bits from above */
114 char label[50]; /* last thing `load'ed */
115 u_short ifqueue; /* Interface queue size */
118 unsigned timeout; /* How long to leave the output queue choked */
125 struct filter in; /* incoming packet filter */
126 struct filter out; /* outgoing packet filter */
127 struct filter dial; /* dial-out packet filter */
128 struct filter alive; /* keep-alive packet filter */
132 struct pppTimer timer; /* timeout after cfg.idle_timeout */
138 struct pppTimer timer;
144 int fd; /* write status here */
148 struct pppTimer timer; /* choked output queue timer */
152 struct radius radius; /* Info retrieved from radius server */
153 struct radacct radacct;
155 struct radacct radacct6;
160 #define descriptor2bundle(d) \
161 ((d)->type == BUNDLE_DESCRIPTOR ? (struct bundle *)(d) : NULL)
163 extern struct bundle *bundle_Create(const char *, int, int);
164 extern void bundle_Destroy(struct bundle *);
165 extern const char *bundle_PhaseName(struct bundle *);
166 #define bundle_Phase(b) ((b)->phase)
167 extern void bundle_NewPhase(struct bundle *, u_int);
168 extern void bundle_LinksRemoved(struct bundle *);
169 extern void bundle_Close(struct bundle *, const char *, int);
170 extern void bundle_Down(struct bundle *, int);
171 extern void bundle_Open(struct bundle *, const char *, int, int);
172 extern void bundle_LinkClosed(struct bundle *, struct datalink *);
174 extern int bundle_ShowLinks(struct cmdargs const *);
175 extern int bundle_ShowStatus(struct cmdargs const *);
176 extern void bundle_StartIdleTimer(struct bundle *, unsigned secs);
177 extern void bundle_SetIdleTimer(struct bundle *, unsigned, unsigned);
178 extern void bundle_StopIdleTimer(struct bundle *);
179 extern int bundle_IsDead(struct bundle *);
180 extern struct datalink *bundle2datalink(struct bundle *, const char *);
183 extern void bundle_StartSessionTimer(struct bundle *, unsigned secs);
184 extern void bundle_StopSessionTimer(struct bundle *);
187 extern void bundle_RegisterDescriptor(struct bundle *, struct fdescriptor *);
188 extern void bundle_UnRegisterDescriptor(struct bundle *, struct fdescriptor *);
190 extern void bundle_SetTtyCommandMode(struct bundle *, struct datalink *);
192 extern int bundle_DatalinkClone(struct bundle *, struct datalink *,
194 extern void bundle_DatalinkRemove(struct bundle *, struct datalink *);
195 extern void bundle_CleanDatalinks(struct bundle *);
196 extern void bundle_SetLabel(struct bundle *, const char *);
197 extern const char *bundle_GetLabel(struct bundle *);
198 extern void bundle_SendDatalink(struct datalink *, int, struct sockaddr_un *);
199 extern int bundle_LinkSize(void);
200 extern void bundle_ReceiveDatalink(struct bundle *, int);
201 extern int bundle_SetMode(struct bundle *, struct datalink *, int);
202 extern int bundle_RenameDatalink(struct bundle *, struct datalink *,
204 extern void bundle_setsid(struct bundle *, int);
205 extern void bundle_LockTun(struct bundle *);
206 extern unsigned bundle_HighestState(struct bundle *);
207 extern int bundle_Exception(struct bundle *, int);
208 extern void bundle_AdjustFilters(struct bundle *, struct ncpaddr *,
210 extern void bundle_AdjustDNS(struct bundle *);
211 extern void bundle_CalculateBandwidth(struct bundle *);
212 extern void bundle_AutoAdjust(struct bundle *, int, int);
213 extern int bundle_WantAutoloadTimer(struct bundle *);
214 extern void bundle_ChangedPID(struct bundle *);
215 extern void bundle_Notify(struct bundle *, char);
216 extern int bundle_Uptime(struct bundle *);