/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1998 Brian Somers * 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. * * $FreeBSD$ */ #define PHASE_DEAD 0 /* Link is dead */ #define PHASE_ESTABLISH 1 /* Establishing link */ #define PHASE_AUTHENTICATE 2 /* Being authenticated */ #define PHASE_NETWORK 3 /* We're alive ! */ #define PHASE_TERMINATE 4 /* Terminating link */ /* cfg.opt bit settings */ #define OPT_FILTERDECAP 1 #define OPT_FORCE_SCRIPTS 2 /* force chat scripts */ #define OPT_IDCHECK 3 #define OPT_IFACEALIAS 4 #ifndef NOINET6 #define OPT_IPCP 5 #define OPT_IPV6CP 6 #endif #define OPT_KEEPSESSION 7 #define OPT_LOOPBACK 8 #define OPT_NAS_IP_ADDRESS 9 #define OPT_NAS_IDENTIFIER 10 #define OPT_PASSWDAUTH 11 #define OPT_PROXY 12 #define OPT_PROXYALL 13 #define OPT_SROUTES 14 #define OPT_TCPMSSFIXUP 15 #define OPT_THROUGHPUT 16 #define OPT_UTMP 17 #define OPT_MAX 17 #define MAX_ENDDISC_CLASS 5 #define Enabled(b, o) ((b)->cfg.optmask & (1ull << (o))) #define opt_enable(b, o) ((b)->cfg.optmask |= (1ull << (o))) #define opt_disable(b, o) ((b)->cfg.optmask &= ~(1ull << (o))) /* AutoAdjust() values */ #define AUTO_UP 1 #define AUTO_DOWN 2 struct sockaddr_un; struct datalink; struct physical; struct link; struct server; struct prompt; struct iface; struct bundle { struct fdescriptor desc; /* really all our datalinks */ int unit; /* The device/interface unit number */ struct { char Name[20]; /* The /dev/XXXX name */ int fd; /* The /dev/XXXX descriptor */ unsigned header : 1; /* Family header sent & received ? */ } dev; u_long bandwidth; /* struct tuninfo speed */ struct iface *iface; /* Interface information */ int routing_seq; /* The current routing sequence number */ u_int phase; /* Curent phase */ struct { int all; /* Union of all physical::type's */ int open; /* Union of all open physical::type's */ } phys_type; unsigned CleaningUp : 1; /* Going to exit.... */ unsigned NatEnabled : 1; /* Are we using libalias ? */ struct fsm_parent fsm; /* Our callback functions */ struct datalink *links; /* Our data links */ time_t upat; /* When the link came up */ struct { struct { unsigned timeout; /* NCP Idle timeout value */ unsigned min_timeout; /* Don't idle out before this */ } idle; struct { char name[AUTHLEN]; /* PAP/CHAP system name */ char key[AUTHLEN]; /* PAP/CHAP key */ } auth; unsigned long long optmask; /* Uses OPT_ bits from above */ char label[50]; /* last thing `load'ed */ u_short ifqueue; /* Interface queue size */ struct { unsigned timeout; /* How long to leave the output queue choked */ } choked; } cfg; struct ncp ncp; struct { struct filter in; /* incoming packet filter */ struct filter out; /* outgoing packet filter */ struct filter dial; /* dial-out packet filter */ struct filter alive; /* keep-alive packet filter */ } filter; struct { struct pppTimer timer; /* timeout after cfg.idle_timeout */ time_t done; } idle; #ifndef NORADIUS struct { struct pppTimer timer; time_t done; } session; #endif struct { int fd; /* write status here */ } notify; struct { struct pppTimer timer; /* choked output queue timer */ } choked; #ifndef NORADIUS struct radius radius; /* Info retrieved from radius server */ struct radacct radacct; #ifndef NOINET6 struct radacct radacct6; #endif #endif }; #define descriptor2bundle(d) \ ((d)->type == BUNDLE_DESCRIPTOR ? (struct bundle *)(d) : NULL) extern struct bundle *bundle_Create(const char *, int, int); extern void bundle_Destroy(struct bundle *); extern const char *bundle_PhaseName(struct bundle *); #define bundle_Phase(b) ((b)->phase) extern void bundle_NewPhase(struct bundle *, u_int); extern void bundle_LinksRemoved(struct bundle *); extern void bundle_Close(struct bundle *, const char *, int); extern void bundle_Down(struct bundle *, int); extern void bundle_Open(struct bundle *, const char *, int, int); extern void bundle_LinkClosed(struct bundle *, struct datalink *); extern int bundle_ShowLinks(struct cmdargs const *); extern int bundle_ShowStatus(struct cmdargs const *); extern void bundle_StartIdleTimer(struct bundle *, unsigned secs); extern void bundle_SetIdleTimer(struct bundle *, unsigned, unsigned); extern void bundle_StopIdleTimer(struct bundle *); extern int bundle_IsDead(struct bundle *); extern struct datalink *bundle2datalink(struct bundle *, const char *); #ifndef NORADIUS extern void bundle_StartSessionTimer(struct bundle *, unsigned secs); extern void bundle_StopSessionTimer(struct bundle *); #endif extern void bundle_RegisterDescriptor(struct bundle *, struct fdescriptor *); extern void bundle_UnRegisterDescriptor(struct bundle *, struct fdescriptor *); extern void bundle_SetTtyCommandMode(struct bundle *, struct datalink *); extern int bundle_DatalinkClone(struct bundle *, struct datalink *, const char *); extern void bundle_DatalinkRemove(struct bundle *, struct datalink *); extern void bundle_CleanDatalinks(struct bundle *); extern void bundle_SetLabel(struct bundle *, const char *); extern const char *bundle_GetLabel(struct bundle *); extern void bundle_SendDatalink(struct datalink *, int, struct sockaddr_un *); extern int bundle_LinkSize(void); extern void bundle_ReceiveDatalink(struct bundle *, int); extern int bundle_SetMode(struct bundle *, struct datalink *, int); extern int bundle_RenameDatalink(struct bundle *, struct datalink *, const char *); extern void bundle_setsid(struct bundle *, int); extern void bundle_LockTun(struct bundle *); extern unsigned bundle_HighestState(struct bundle *); extern int bundle_Exception(struct bundle *, int); extern void bundle_AdjustFilters(struct bundle *, struct ncpaddr *, struct ncpaddr *); extern void bundle_AdjustDNS(struct bundle *); extern void bundle_CalculateBandwidth(struct bundle *); extern void bundle_AutoAdjust(struct bundle *, int, int); extern int bundle_WantAutoloadTimer(struct bundle *); extern void bundle_ChangedPID(struct bundle *); extern void bundle_Notify(struct bundle *, char); extern int bundle_Uptime(struct bundle *);