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 0x0001
37 #define OPT_IDCHECK 0x0002
38 #define OPT_IFACEALIAS 0x0004
39 #define OPT_KEEPSESSION 0x0008
40 #define OPT_LOOPBACK 0x0010
41 #define OPT_PASSWDAUTH 0x0020
42 #define OPT_PROXY 0x0040
43 #define OPT_PROXYALL 0x0080
44 #define OPT_SROUTES 0x0100
45 #define OPT_TCPMSSFIXUP 0x0200
46 #define OPT_THROUGHPUT 0x0400
47 #define OPT_UTMP 0x0800
49 #define MAX_ENDDISC_CLASS 5
51 #define Enabled(b, o) ((b)->cfg.opt & (o))
53 /* AutoAdjust() values */
66 struct fdescriptor desc; /* really all our datalinks */
67 int unit; /* The device/interface unit number */
70 char Name[20]; /* The /dev/XXXX name */
71 int fd; /* The /dev/XXXX descriptor */
72 unsigned header : 1; /* Family header sent & received ? */
75 u_long bandwidth; /* struct tuninfo speed */
76 int mtu; /* struct tuninfo MTU */
77 struct iface *iface; /* Interface information */
79 int routing_seq; /* The current routing sequence number */
80 u_int phase; /* Curent phase */
83 int all; /* Union of all physical::type's */
84 int open; /* Union of all open physical::type's */
87 unsigned CleaningUp : 1; /* Going to exit.... */
88 unsigned NatEnabled : 1; /* Are we using libalias ? */
90 struct fsm_parent fsm; /* Our callback functions */
91 struct datalink *links; /* Our data links */
93 time_t upat; /* When the link came up */
97 int timeout; /* NCP Idle timeout value */
98 int min_timeout; /* Don't idle out before this */
101 char name[AUTHLEN]; /* PAP/CHAP system name */
102 char key[AUTHLEN]; /* PAP/CHAP key */
104 unsigned opt; /* Uses OPT_ bits from above */
105 char label[50]; /* last thing `load'ed */
106 u_short mtu; /* Required interface MTU */
107 u_short ifqueue; /* Interface queue size */
110 int timeout; /* How long to leave the output queue choked */
115 struct ipcp ipcp; /* Our IPCP FSM */
116 struct mp mp; /* Our MP */
120 struct filter in; /* incoming packet filter */
121 struct filter out; /* outgoing packet filter */
122 struct filter dial; /* dial-out packet filter */
123 struct filter alive; /* keep-alive packet filter */
127 struct pppTimer timer; /* timeout after cfg.idle_timeout */
132 int fd; /* write status here */
136 struct pppTimer timer; /* choked output queue timer */
140 struct radius radius; /* Info retrieved from radius server */
141 struct radacct radacct;
145 #define descriptor2bundle(d) \
146 ((d)->type == BUNDLE_DESCRIPTOR ? (struct bundle *)(d) : NULL)
148 extern struct bundle *bundle_Create(const char *, int, int);
149 extern void bundle_Destroy(struct bundle *);
150 extern const char *bundle_PhaseName(struct bundle *);
151 #define bundle_Phase(b) ((b)->phase)
152 extern void bundle_NewPhase(struct bundle *, u_int);
153 extern void bundle_LinksRemoved(struct bundle *);
154 extern int bundle_LinkIsUp(const struct bundle *);
155 extern int bundle_SetRoute(struct bundle *, int, struct in_addr,
156 struct in_addr, struct in_addr, int, int);
157 extern void bundle_Close(struct bundle *, const char *, int);
158 extern void bundle_Down(struct bundle *, int);
159 extern void bundle_Open(struct bundle *, const char *, int, int);
160 extern void bundle_LinkClosed(struct bundle *, struct datalink *);
162 extern int bundle_ShowLinks(struct cmdargs const *);
163 extern int bundle_ShowStatus(struct cmdargs const *);
164 extern void bundle_StartIdleTimer(struct bundle *, unsigned secs);
165 extern void bundle_SetIdleTimer(struct bundle *, int, int);
166 extern void bundle_StopIdleTimer(struct bundle *);
167 extern int bundle_IsDead(struct bundle *);
168 extern struct datalink *bundle2datalink(struct bundle *, const char *);
170 extern void bundle_RegisterDescriptor(struct bundle *, struct fdescriptor *);
171 extern void bundle_UnRegisterDescriptor(struct bundle *, struct fdescriptor *);
173 extern void bundle_SetTtyCommandMode(struct bundle *, struct datalink *);
175 extern int bundle_DatalinkClone(struct bundle *, struct datalink *,
177 extern void bundle_DatalinkRemove(struct bundle *, struct datalink *);
178 extern void bundle_CleanDatalinks(struct bundle *);
179 extern void bundle_SetLabel(struct bundle *, const char *);
180 extern const char *bundle_GetLabel(struct bundle *);
181 extern void bundle_SendDatalink(struct datalink *, int, struct sockaddr_un *);
182 extern int bundle_LinkSize(void);
183 extern void bundle_ReceiveDatalink(struct bundle *, int);
184 extern int bundle_SetMode(struct bundle *, struct datalink *, int);
185 extern int bundle_RenameDatalink(struct bundle *, struct datalink *,
187 extern void bundle_setsid(struct bundle *, int);
188 extern void bundle_LockTun(struct bundle *);
189 extern int bundle_HighestState(struct bundle *);
190 extern int bundle_Exception(struct bundle *, int);
191 extern void bundle_AdjustFilters(struct bundle *, struct in_addr *,
193 extern void bundle_AdjustDNS(struct bundle *, struct in_addr [2]);
194 extern void bundle_CalculateBandwidth(struct bundle *);
195 extern void bundle_AutoAdjust(struct bundle *, int, int);
196 extern int bundle_WantAutoloadTimer(struct bundle *);
197 extern void bundle_ChangedPID(struct bundle *);
198 extern void bundle_Notify(struct bundle *, char);