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+/*-
+ * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
+ * 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: src/usr.sbin/ppp/bundle.h,v 1.52.26.1 2010/12/21 17:10:29 kensmith Exp $
+ */
+
+#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 *);
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