usr.sbin/ppp/bundle.h

   1 /*-
   2  * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   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.
  13  *
  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
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/usr.sbin/ppp/bundle.h,v 1.33.2.8 2002/09/01 02:12:22 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/bundle.h,v 1.2 2003/06/17 04:30:00 dillon Exp $
  28  */
  29
  30 #define PHASE_DEAD              0       /* Link is dead */
  31 #define PHASE_ESTABLISH         1       /* Establishing link */
  32 #define PHASE_AUTHENTICATE      2       /* Being authenticated */
  33 #define PHASE_NETWORK           3       /* We're alive ! */
  34 #define PHASE_TERMINATE         4       /* Terminating link */
  35
  36 /* cfg.opt bit settings */
  37 #define OPT_FILTERDECAP 0x0001
  38 #define OPT_IDCHECK     0x0002
  39 #define OPT_IFACEALIAS  0x0004
  40 #ifndef NOINET6
  41 #define OPT_IPCP        0x0008
  42 #define OPT_IPV6CP      0x0010
  43 #endif
  44 #define OPT_KEEPSESSION 0x0020
  45 #define OPT_LOOPBACK    0x0040
  46 #define OPT_PASSWDAUTH  0x0080
  47 #define OPT_PROXY       0x0100
  48 #define OPT_PROXYALL    0x0200
  49 #define OPT_SROUTES     0x0400
  50 #define OPT_TCPMSSFIXUP 0x0800
  51 #define OPT_THROUGHPUT  0x1000
  52 #define OPT_UTMP        0x2000
  53
  54 #define MAX_ENDDISC_CLASS 5
  55
  56 #define Enabled(b, o) ((b)->cfg.opt & (o))
  57
  58 /* AutoAdjust() values */
  59 #define AUTO_UP         1
  60 #define AUTO_DOWN       2
  61
  62 struct sockaddr_un;
  63 struct datalink;
  64 struct physical;
  65 struct link;
  66 struct server;
  67 struct prompt;
  68 struct iface;
  69
  70 struct bundle {
  71   struct fdescriptor desc;    /* really all our datalinks */
  72   int unit;                   /* The device/interface unit number */
  73
  74   struct {
  75     char Name[20];            /* The /dev/XXXX name */
  76     int fd;                   /* The /dev/XXXX descriptor */
  77     unsigned header : 1;      /* Family header sent & received ? */
  78   } dev;
  79
  80   u_long bandwidth;           /* struct tuninfo speed */
  81   struct iface *iface;        /* Interface information */
  82
  83   int routing_seq;            /* The current routing sequence number */
  84   u_int phase;                /* Curent phase */
  85
  86   struct {
  87     int all;                  /* Union of all physical::type's */
  88     int open;                 /* Union of all open physical::type's */
  89   } phys_type;
  90
  91   unsigned CleaningUp : 1;    /* Going to exit.... */
  92   unsigned NatEnabled : 1;    /* Are we using libalias ? */
  93
  94   struct fsm_parent fsm;      /* Our callback functions */
  95   struct datalink *links;     /* Our data links */
  96
  97   time_t upat;                /* When the link came up */
  98
  99   struct {
 100     struct {
 101       unsigned timeout;       /* NCP Idle timeout value */
 102       unsigned min_timeout;   /* Don't idle out before this */
 103     } idle;
 104     struct {
 105       char name[AUTHLEN];     /* PAP/CHAP system name */
 106       char key[AUTHLEN];      /* PAP/CHAP key */
 107     } auth;
 108     unsigned opt;             /* Uses OPT_ bits from above */
 109     char label[50];           /* last thing `load'ed */
 110     u_short ifqueue;          /* Interface queue size */
 111
 112     struct {
 113       unsigned timeout;       /* How long to leave the output queue choked */
 114     } choked;
 115   } cfg;
 116
 117   struct ncp ncp;
 118
 119   struct {
 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 */
 124   } filter;
 125
 126   struct {
 127     struct pppTimer timer;    /* timeout after cfg.idle_timeout */
 128     time_t done;
 129   } idle;
 130
 131 #ifndef NORADIUS
 132   struct {
 133     struct pppTimer timer;
 134     time_t done;
 135   } session;
 136 #endif
 137
 138   struct {
 139     int fd;                   /* write status here */
 140   } notify;
 141
 142   struct {
 143     struct pppTimer timer;    /* choked output queue timer */
 144   } choked;
 145
 146 #ifndef NORADIUS
 147   struct radius radius;       /* Info retrieved from radius server */
 148   struct radacct radacct;
 149 #endif
 150 };
 151
 152 #define descriptor2bundle(d) \
 153   ((d)->type == BUNDLE_DESCRIPTOR ? (struct bundle *)(d) : NULL)
 154
 155 extern struct bundle *bundle_Create(const char *, int, int);
 156 extern void bundle_Destroy(struct bundle *);
 157 extern const char *bundle_PhaseName(struct bundle *);
 158 #define bundle_Phase(b) ((b)->phase)
 159 extern void bundle_NewPhase(struct bundle *, u_int);
 160 extern void bundle_LinksRemoved(struct bundle *);
 161 extern void bundle_Close(struct bundle *, const char *, int);
 162 extern void bundle_Down(struct bundle *, int);
 163 extern void bundle_Open(struct bundle *, const char *, int, int);
 164 extern void bundle_LinkClosed(struct bundle *, struct datalink *);
 165
 166 extern int bundle_ShowLinks(struct cmdargs const *);
 167 extern int bundle_ShowStatus(struct cmdargs const *);
 168 extern void bundle_StartIdleTimer(struct bundle *, unsigned secs);
 169 extern void bundle_SetIdleTimer(struct bundle *, unsigned, unsigned);
 170 extern void bundle_StopIdleTimer(struct bundle *);
 171 extern int bundle_IsDead(struct bundle *);
 172 extern struct datalink *bundle2datalink(struct bundle *, const char *);
 173
 174 #ifndef NORADIUS
 175 extern void bundle_StartSessionTimer(struct bundle *, unsigned secs);
 176 extern void bundle_StopSessionTimer(struct bundle *);
 177 #endif
 178
 179 extern void bundle_RegisterDescriptor(struct bundle *, struct fdescriptor *);
 180 extern void bundle_UnRegisterDescriptor(struct bundle *, struct fdescriptor *);
 181
 182 extern void bundle_SetTtyCommandMode(struct bundle *, struct datalink *);
 183
 184 extern int bundle_DatalinkClone(struct bundle *, struct datalink *,
 185                                 const char *);
 186 extern void bundle_DatalinkRemove(struct bundle *, struct datalink *);
 187 extern void bundle_CleanDatalinks(struct bundle *);
 188 extern void bundle_SetLabel(struct bundle *, const char *);
 189 extern const char *bundle_GetLabel(struct bundle *);
 190 extern void bundle_SendDatalink(struct datalink *, int, struct sockaddr_un *);
 191 extern int bundle_LinkSize(void);
 192 extern void bundle_ReceiveDatalink(struct bundle *, int);
 193 extern int bundle_SetMode(struct bundle *, struct datalink *, int);
 194 extern int bundle_RenameDatalink(struct bundle *, struct datalink *,
 195                                  const char *);
 196 extern void bundle_setsid(struct bundle *, int);
 197 extern void bundle_LockTun(struct bundle *);
 198 extern unsigned bundle_HighestState(struct bundle *);
 199 extern int bundle_Exception(struct bundle *, int);
 200 extern void bundle_AdjustFilters(struct bundle *, struct ncpaddr *,
 201                                  struct ncpaddr *);
 202 extern void bundle_AdjustDNS(struct bundle *);
 203 extern void bundle_CalculateBandwidth(struct bundle *);
 204 extern void bundle_AutoAdjust(struct bundle *, int, int);
 205 extern int bundle_WantAutoloadTimer(struct bundle *);
 206 extern void bundle_ChangedPID(struct bundle *);
 207 extern void bundle_Notify(struct bundle *, char);
 208 extern int bundle_Uptime(struct bundle *);