src/patches/capi4k-utils-2004-10-06_ppp-2.4.3.patch

   1 diff -Naur capi4k-utils.old/pppdcapiplugin/Makefile capi4k-utils/pppdcapiplugin/Makefile
   2 --- capi4k-utils.old/pppdcapiplugin/Makefile    Mon Feb 23 18:30:39 2004
   3 +++ capi4k-utils/pppdcapiplugin/Makefile        Wed Nov 24 22:19:36 2004
   4 @@ -18,7 +18,7 @@
   5  PPPSRCDIRS=/src/isdn/pppd
   6
   7  ifeq ($(PPPVERSIONS),)
   8 -PPPVERSIONS = 2.3.11 2.4.0 2.4.1 2.4.1b1 2.4.1b2 2.4.2b3 2.4.2
   9 +PPPVERSIONS = 2.3.11 2.4.0 2.4.1 2.4.1b1 2.4.1b2 2.4.2b3 2.4.2 2.4.3
  10  endif
  11
  12  PEERDIR=${DESTDIR}/etc/ppp/peers/isdn
  13 diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/Makefile capi4k-utils/pppdcapiplugin/ppp-2.4.3/Makefile
  14 --- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/Makefile  Thu Jan  1 01:00:00 1970
  15 +++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/Makefile      Sun May 18 21:11:16 2003
  16 @@ -0,0 +1,14 @@
  17 +# Makefile for the capiplugin for pppd(8).
  18 +#
  19 +# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
  20 +# Copyright 2000 AVM GmbH Berlin (info@avm.de)
  21 +#
  22 +#  This program is free software; you can redistribute it and/or
  23 +#  modify it under the terms of the GNU General Public License
  24 +#  as published by the Free Software Foundation; either version
  25 +#  2 of the License, or (at your option) any later version.
  26 +
  27 +PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
  28 +
  29 +include $(TOPDIR)/Rules.make
  30 +
  31 diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h
  32 --- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h Thu Jan  1 01:00:00 1970
  33 +++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h     Sat Nov 13 12:08:02 2004
  34 @@ -0,0 +1,4 @@
  35 +/* $Id: capi4k-utils-2004-10-06_ppp-2.4.3.patch,v 1.1.2.1 2004/11/24 23:27:29 gespinasse Exp $ */
  36 +
  37 +#define VERSION                "2.4.3"
  38 +#define DATE           "13 November 2004"
  39 diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h
  40 --- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h       Thu Jan  1 01:00:00 1970
  41 +++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h   Sat Nov 13 12:02:22 2004
  42 @@ -0,0 +1,905 @@
  43 +/*
  44 + * pppd.h - PPP daemon global declarations.
  45 + *
  46 + * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
  47 + *
  48 + * Redistribution and use in source and binary forms, with or without
  49 + * modification, are permitted provided that the following conditions
  50 + * are met:
  51 + *
  52 + * 1. Redistributions of source code must retain the above copyright
  53 + *    notice, this list of conditions and the following disclaimer.
  54 + *
  55 + * 2. Redistributions in binary form must reproduce the above copyright
  56 + *    notice, this list of conditions and the following disclaimer in
  57 + *    the documentation and/or other materials provided with the
  58 + *    distribution.
  59 + *
  60 + * 3. The name "Carnegie Mellon University" must not be used to
  61 + *    endorse or promote products derived from this software without
  62 + *    prior written permission. For permission or any legal
  63 + *    details, please contact
  64 + *      Office of Technology Transfer
  65 + *      Carnegie Mellon University
  66 + *      5000 Forbes Avenue
  67 + *      Pittsburgh, PA  15213-3890
  68 + *      (412) 268-4387, fax: (412) 268-7395
  69 + *      tech-transfer@andrew.cmu.edu
  70 + *
  71 + * 4. Redistributions of any form whatsoever must retain the following
  72 + *    acknowledgment:
  73 + *    "This product includes software developed by Computing Services
  74 + *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
  75 + *
  76 + * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
  77 + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  78 + * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
  79 + * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  80 + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  81 + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  82 + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  83 + *
  84 + * $Id: capi4k-utils-2004-10-06_ppp-2.4.3.patch,v 1.1.2.1 2004/11/24 23:27:29 gespinasse Exp $
  85 + */
  86 +
  87 +/*
  88 + * TODO:
  89 + */
  90 +
  91 +#ifndef __PPPD_H__
  92 +#define __PPPD_H__
  93 +
  94 +#include <stdio.h>             /* for FILE */
  95 +#include <limits.h>            /* for NGROUPS_MAX */
  96 +#include <sys/param.h>         /* for MAXPATHLEN and BSD4_4, if defined */
  97 +#include <sys/types.h>         /* for u_int32_t, if defined */
  98 +#include <sys/time.h>          /* for struct timeval */
  99 +#include <net/ppp_defs.h>
 100 +#include "patchlevel.h"
 101 +
 102 +#if defined(__STDC__)
 103 +#include <stdarg.h>
 104 +#define __V(x) x
 105 +#else
 106 +#include <varargs.h>
 107 +#define __V(x) (va_alist) va_dcl
 108 +#define const
 109 +#define volatile
 110 +#endif
 111 +
 112 +#ifdef INET6
 113 +#include "eui64.h"
 114 +#endif
 115 +
 116 +/*
 117 + * Limits.
 118 + */
 119 +
 120 +#define NUM_PPP                1       /* One PPP interface supported (per process) */
 121 +#define MAXWORDLEN     1024    /* max length of word in file (incl null) */
 122 +#define MAXARGS                1       /* max # args to a command */
 123 +#define MAXNAMELEN     256     /* max length of hostname or name for auth */
 124 +#define MAXSECRETLEN   256     /* max length of password or secret */
 125 +
 126 +/*
 127 + * Option descriptor structure.
 128 + */
 129 +
 130 +typedef unsigned char  bool;
 131 +
 132 +enum opt_type {
 133 +       o_special_noarg = 0,
 134 +       o_special = 1,
 135 +       o_bool,
 136 +       o_int,
 137 +       o_uint32,
 138 +       o_string,
 139 +       o_wild
 140 +};
 141 +
 142 +typedef struct {
 143 +       char    *name;          /* name of the option */
 144 +       enum opt_type type;
 145 +       void    *addr;
 146 +       char    *description;
 147 +       unsigned int flags;
 148 +       void    *addr2;
 149 +       int     upper_limit;
 150 +       int     lower_limit;
 151 +       const char *source;
 152 +       short int priority;
 153 +       short int winner;
 154 +} option_t;
 155 +
 156 +/* Values for flags */
 157 +#define OPT_VALUE      0xff    /* mask for presupplied value */
 158 +#define OPT_HEX                0x100   /* int option is in hex */
 159 +#define OPT_NOARG      0x200   /* option doesn't take argument */
 160 +#define OPT_OR         0x400   /* OR in argument to value */
 161 +#define OPT_INC                0x800   /* increment value */
 162 +#define OPT_A2OR       0x800   /* for o_bool, OR arg to *(u_char *)addr2 */
 163 +#define OPT_PRIV       0x1000  /* privileged option */
 164 +#define OPT_STATIC     0x2000  /* string option goes into static array */
 165 +#define OPT_LLIMIT     0x4000  /* check value against lower limit */
 166 +#define OPT_ULIMIT     0x8000  /* check value against upper limit */
 167 +#define OPT_LIMITS     (OPT_LLIMIT|OPT_ULIMIT)
 168 +#define OPT_ZEROOK     0x10000 /* 0 value is OK even if not within limits */
 169 +#define OPT_HIDE       0x10000 /* for o_string, print value as ?????? */
 170 +#define OPT_A2LIST     0x10000 /* for o_special, keep list of values */
 171 +#define OPT_A2CLRB     0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
 172 +#define OPT_NOINCR     0x20000 /* value mustn't be increased */
 173 +#define OPT_ZEROINF    0x40000 /* with OPT_NOINCR, 0 == infinity */
 174 +#define OPT_PRIO       0x80000 /* process option priorities for this option */
 175 +#define OPT_PRIOSUB    0x100000 /* subsidiary member of priority group */
 176 +#define OPT_ALIAS      0x200000 /* option is alias for previous option */
 177 +#define OPT_A2COPY     0x400000 /* addr2 -> second location to rcv value */
 178 +#define OPT_ENABLE     0x800000 /* use *addr2 as enable for option */
 179 +#define OPT_A2CLR      0x1000000 /* clear *(bool *)addr2 */
 180 +#define OPT_PRIVFIX    0x2000000 /* user can't override if set by root */
 181 +#define OPT_INITONLY   0x4000000 /* option can only be set in init phase */
 182 +#define OPT_DEVEQUIV   0x8000000 /* equiv to device name */
 183 +#define OPT_DEVNAM     (OPT_INITONLY | OPT_DEVEQUIV)
 184 +#define OPT_A2PRINTER  0x10000000 /* *addr2 is a fn for printing option */
 185 +#define OPT_A2STRVAL   0x20000000 /* *addr2 points to current string value */
 186 +#define OPT_NOPRINT    0x40000000 /* don't print this option at all */
 187 +
 188 +#define OPT_VAL(x)     ((x) & OPT_VALUE)
 189 +
 190 +/* Values for priority */
 191 +#define OPRIO_DEFAULT  0       /* a default value */
 192 +#define OPRIO_CFGFILE  1       /* value from a configuration file */
 193 +#define OPRIO_CMDLINE  2       /* value from the command line */
 194 +#define OPRIO_SECFILE  3       /* value from options in a secrets file */
 195 +#define OPRIO_ROOT     100     /* added to priority if OPT_PRIVFIX && root */
 196 +
 197 +#ifndef GIDSET_TYPE
 198 +#define GIDSET_TYPE    gid_t
 199 +#endif
 200 +
 201 +/* Structure representing a list of permitted IP addresses. */
 202 +struct permitted_ip {
 203 +    int                permit;         /* 1 = permit, 0 = forbid */
 204 +    u_int32_t  base;           /* match if (addr & mask) == base */
 205 +    u_int32_t  mask;           /* base and mask are in network byte order */
 206 +};
 207 +
 208 +/*
 209 + * Unfortunately, the linux kernel driver uses a different structure
 210 + * for statistics from the rest of the ports.
 211 + * This structure serves as a common representation for the bits
 212 + * pppd needs.
 213 + */
 214 +struct pppd_stats {
 215 +    unsigned int       bytes_in;
 216 +    unsigned int       bytes_out;
 217 +    unsigned int       pkts_in;
 218 +    unsigned int       pkts_out;
 219 +};
 220 +
 221 +/* Used for storing a sequence of words.  Usually malloced. */
 222 +struct wordlist {
 223 +    struct wordlist    *next;
 224 +    char               *word;
 225 +};
 226 +
 227 +/* An endpoint discriminator, used with multilink. */
 228 +#define MAX_ENDP_LEN   20      /* maximum length of discriminator value */
 229 +struct epdisc {
 230 +    unsigned char      class;
 231 +    unsigned char      length;
 232 +    unsigned char      value[MAX_ENDP_LEN];
 233 +};
 234 +
 235 +/* values for epdisc.class */
 236 +#define EPD_NULL       0       /* null discriminator, no data */
 237 +#define EPD_LOCAL      1
 238 +#define EPD_IP         2
 239 +#define EPD_MAC                3
 240 +#define EPD_MAGIC      4
 241 +#define EPD_PHONENUM   5
 242 +
 243 +typedef void (*notify_func) __P((void *, int));
 244 +
 245 +struct notifier {
 246 +    struct notifier *next;
 247 +    notify_func            func;
 248 +    void           *arg;
 249 +};
 250 +
 251 +/*
 252 + * Global variables.
 253 + */
 254 +
 255 +extern int     hungup;         /* Physical layer has disconnected */
 256 +extern int     ifunit;         /* Interface unit number */
 257 +extern char    ifname[];       /* Interface name */
 258 +extern char    hostname[];     /* Our hostname */
 259 +extern u_char  outpacket_buf[]; /* Buffer for outgoing packets */
 260 +extern int     devfd;          /* fd of underlying device */
 261 +extern int     fd_ppp;         /* fd for talking PPP */
 262 +extern int     phase;          /* Current state of link - see values below */
 263 +extern int     baud_rate;      /* Current link speed in bits/sec */
 264 +extern char    *progname;      /* Name of this program */
 265 +extern int     redirect_stderr;/* Connector's stderr should go to file */
 266 +extern char    peer_authname[];/* Authenticated name of peer */
 267 +extern int     auth_done[NUM_PPP]; /* Methods actually used for auth */
 268 +extern int     privileged;     /* We were run by real-uid root */
 269 +extern int     need_holdoff;   /* Need holdoff period after link terminates */
 270 +extern char    **script_env;   /* Environment variables for scripts */
 271 +extern int     detached;       /* Have detached from controlling tty */
 272 +extern GIDSET_TYPE groups[NGROUPS_MAX];        /* groups the user is in */
 273 +extern int     ngroups;        /* How many groups valid in groups */
 274 +extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
 275 +extern int     link_stats_valid; /* set if link_stats is valid */
 276 +extern unsigned        link_connect_time; /* time the link was up for */
 277 +extern int     using_pty;      /* using pty as device (notty or pty opt.) */
 278 +extern int     log_to_fd;      /* logging to this fd as well as syslog */
 279 +extern bool    log_default;    /* log_to_fd is default (stdout) */
 280 +extern char    *no_ppp_msg;    /* message to print if ppp not in kernel */
 281 +extern volatile int status;    /* exit status for pppd */
 282 +extern bool    devnam_fixed;   /* can no longer change devnam */
 283 +extern int     unsuccess;      /* # unsuccessful connection attempts */
 284 +extern int     do_callback;    /* set if we want to do callback next */
 285 +extern int     doing_callback; /* set if this is a callback */
 286 +extern int     error_count;    /* # of times error() has been called */
 287 +extern char    ppp_devnam[MAXPATHLEN];
 288 +extern char     remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
 289 +extern int      ppp_session_number; /* Session number (eg PPPoE session) */
 290 +extern int     fd_devnull;     /* fd open to /dev/null */
 291 +
 292 +extern int     listen_time;    /* time to listen first (ms) */
 293 +extern bool    doing_multilink;
 294 +extern bool    multilink_master;
 295 +extern bool    bundle_eof;
 296 +extern bool    bundle_terminating;
 297 +
 298 +extern struct notifier *pidchange;   /* for notifications of pid changing */
 299 +extern struct notifier *phasechange; /* for notifications of phase changes */
 300 +extern struct notifier *exitnotify;  /* for notification that we're exiting */
 301 +extern struct notifier *sigreceived; /* notification of received signal */
 302 +extern struct notifier *ip_up_notifier; /* IPCP has come up */
 303 +extern struct notifier *ip_down_notifier; /* IPCP has gone down */
 304 +extern struct notifier *auth_up_notifier; /* peer has authenticated */
 305 +extern struct notifier *link_down_notifier; /* link has gone down */
 306 +extern struct notifier *fork_notifier; /* we are a new child process */
 307 +
 308 +/* Values for do_callback and doing_callback */
 309 +#define CALLBACK_DIALIN                1       /* we are expecting the call back */
 310 +#define CALLBACK_DIALOUT       2       /* we are dialling out to call back */
 311 +
 312 +/*
 313 + * Variables set by command-line options.
 314 + */
 315 +
 316 +extern int     debug;          /* Debug flag */
 317 +extern int     kdebugflag;     /* Tell kernel to print debug messages */
 318 +extern int     default_device; /* Using /dev/tty or equivalent */
 319 +extern char    devnam[MAXPATHLEN];     /* Device name */
 320 +extern int     crtscts;        /* Use hardware flow control */
 321 +extern bool    modem;          /* Use modem control lines */
 322 +extern int     inspeed;        /* Input/Output speed requested */
 323 +extern u_int32_t netmask;      /* IP netmask to set on interface */
 324 +extern bool    lockflag;       /* Create lock file to lock the serial dev */
 325 +extern bool    nodetach;       /* Don't detach from controlling tty */
 326 +extern bool    updetach;       /* Detach from controlling tty when link up */
 327 +extern char    *initializer;   /* Script to initialize physical link */
 328 +extern char    *connect_script; /* Script to establish physical link */
 329 +extern char    *disconnect_script; /* Script to disestablish physical link */
 330 +extern char    *welcomer;      /* Script to welcome client after connection */
 331 +extern char    *ptycommand;    /* Command to run on other side of pty */
 332 +extern int     maxconnect;     /* Maximum connect time (seconds) */
 333 +extern char    user[MAXNAMELEN];/* Our name for authenticating ourselves */
 334 +extern char    passwd[MAXSECRETLEN];   /* Password for PAP or CHAP */
 335 +extern bool    auth_required;  /* Peer is required to authenticate */
 336 +extern bool    persist;        /* Reopen link after it goes down */
 337 +extern bool    uselogin;       /* Use /etc/passwd for checking PAP */
 338 +extern char    our_name[MAXNAMELEN];/* Our name for authentication purposes */
 339 +extern char    remote_name[MAXNAMELEN]; /* Peer's name for authentication */
 340 +extern bool    explicit_remote;/* remote_name specified with remotename opt */
 341 +extern bool    demand;         /* Do dial-on-demand */
 342 +extern char    *ipparam;       /* Extra parameter for ip up/down scripts */
 343 +extern bool    cryptpap;       /* Others' PAP passwords are encrypted */
 344 +extern int     idle_time_limit;/* Shut down link if idle for this long */
 345 +extern int     holdoff;        /* Dead time before restarting */
 346 +extern bool    holdoff_specified; /* true if user gave a holdoff value */
 347 +extern bool    notty;          /* Stdin/out is not a tty */
 348 +extern char    *pty_socket;    /* Socket to connect to pty */
 349 +extern char    *record_file;   /* File to record chars sent/received */
 350 +extern bool    sync_serial;    /* Device is synchronous serial device */
 351 +extern int     maxfail;        /* Max # of unsuccessful connection attempts */
 352 +extern char    linkname[MAXPATHLEN]; /* logical name for link */
 353 +extern bool    tune_kernel;    /* May alter kernel settings as necessary */
 354 +extern int     connect_delay;  /* Time to delay after connect script */
 355 +extern int     max_data_rate;  /* max bytes/sec through charshunt */
 356 +extern int     req_unit;       /* interface unit number to use */
 357 +extern bool    multilink;      /* enable multilink operation */
 358 +extern bool    noendpoint;     /* don't send or accept endpt. discrim. */
 359 +extern char    *bundle_name;   /* bundle name for multilink */
 360 +extern bool    dump_options;   /* print out option values */
 361 +extern bool    dryrun;         /* check everything, print options, exit */
 362 +extern int     child_wait;     /* # seconds to wait for children at end */
 363 +
 364 +#ifdef MAXOCTETS
 365 +extern unsigned int maxoctets;      /* Maximum octetes per session (in bytes) */
 366 +extern int       maxoctets_dir;      /* Direction :
 367 +                                     0 - in+out (default)
 368 +                                     1 - in
 369 +                                     2 - out
 370 +                                     3 - max(in,out) */
 371 +extern int       maxoctets_timeout;  /* Timeout for check of octets limit */
 372 +#define PPP_OCTETS_DIRECTION_SUM        0
 373 +#define PPP_OCTETS_DIRECTION_IN         1
 374 +#define PPP_OCTETS_DIRECTION_OUT        2
 375 +#define PPP_OCTETS_DIRECTION_MAXOVERAL  3
 376 +/* same as previos, but little different on RADIUS side */
 377 +#define PPP_OCTETS_DIRECTION_MAXSESSION 4
 378 +#endif
 379 +
 380 +#ifdef PPP_FILTER
 381 +extern struct  bpf_program pass_filter;   /* Filter for pkts to pass */
 382 +extern struct  bpf_program active_filter; /* Filter for link-active pkts */
 383 +#endif
 384 +
 385 +#ifdef MSLANMAN
 386 +extern bool    ms_lanman;      /* Use LanMan password instead of NT */
 387 +                               /* Has meaning only with MS-CHAP challenges */
 388 +#endif
 389 +
 390 +/* Values for auth_pending, auth_done */
 391 +#define PAP_WITHPEER   0x1
 392 +#define PAP_PEER       0x2
 393 +#define CHAP_WITHPEER  0x4
 394 +#define CHAP_PEER      0x8
 395 +#define EAP_WITHPEER   0x10
 396 +#define EAP_PEER       0x20
 397 +
 398 +/* Values for auth_done only */
 399 +#define CHAP_MD5_WITHPEER      0x40
 400 +#define CHAP_MD5_PEER          0x80
 401 +#define CHAP_MS_SHIFT          8       /* LSB position for MS auths */
 402 +#define CHAP_MS_WITHPEER       0x100
 403 +#define CHAP_MS_PEER           0x200
 404 +#define CHAP_MS2_WITHPEER      0x400
 405 +#define CHAP_MS2_PEER          0x800
 406 +
 407 +extern char *current_option;   /* the name of the option being parsed */
 408 +extern int  privileged_option; /* set iff the current option came from root */
 409 +extern char *option_source;    /* string saying where the option came from */
 410 +extern int  option_priority;   /* priority of current options */
 411 +
 412 +/*
 413 + * Values for phase.
 414 + */
 415 +#define PHASE_DEAD             0
 416 +#define PHASE_INITIALIZE       1
 417 +#define PHASE_SERIALCONN       2
 418 +#define PHASE_DORMANT          3
 419 +#define PHASE_ESTABLISH                4
 420 +#define PHASE_AUTHENTICATE     5
 421 +#define PHASE_CALLBACK         6
 422 +#define PHASE_NETWORK          7
 423 +#define PHASE_RUNNING          8
 424 +#define PHASE_TERMINATE                9
 425 +#define PHASE_DISCONNECT       10
 426 +#define PHASE_HOLDOFF          11
 427 +#define PHASE_MASTER           12
 428 +
 429 +/*
 430 + * The following struct gives the addresses of procedures to call
 431 + * for a particular protocol.
 432 + */
 433 +struct protent {
 434 +    u_short protocol;          /* PPP protocol number */
 435 +    /* Initialization procedure */
 436 +    void (*init) __P((int unit));
 437 +    /* Process a received packet */
 438 +    void (*input) __P((int unit, u_char *pkt, int len));
 439 +    /* Process a received protocol-reject */
 440 +    void (*protrej) __P((int unit));
 441 +    /* Lower layer has come up */
 442 +    void (*lowerup) __P((int unit));
 443 +    /* Lower layer has gone down */
 444 +    void (*lowerdown) __P((int unit));
 445 +    /* Open the protocol */
 446 +    void (*open) __P((int unit));
 447 +    /* Close the protocol */
 448 +    void (*close) __P((int unit, char *reason));
 449 +    /* Print a packet in readable form */
 450 +    int  (*printpkt) __P((u_char *pkt, int len,
 451 +                         void (*printer) __P((void *, char *, ...)),
 452 +                         void *arg));
 453 +    /* Process a received data packet */
 454 +    void (*datainput) __P((int unit, u_char *pkt, int len));
 455 +    bool enabled_flag;         /* 0 iff protocol is disabled */
 456 +    char *name;                        /* Text name of protocol */
 457 +    char *data_name;           /* Text name of corresponding data protocol */
 458 +    option_t *options;         /* List of command-line options */
 459 +    /* Check requested options, assign defaults */
 460 +    void (*check_options) __P((void));
 461 +    /* Configure interface for demand-dial */
 462 +    int  (*demand_conf) __P((int unit));
 463 +    /* Say whether to bring up link for this pkt */
 464 +    int  (*active_pkt) __P((u_char *pkt, int len));
 465 +};
 466 +
 467 +/* Table of pointers to supported protocols */
 468 +extern struct protent *protocols[];
 469 +
 470 +/*
 471 + * This struct contains pointers to a set of procedures for
 472 + * doing operations on a "channel".  A channel provides a way
 473 + * to send and receive PPP packets - the canonical example is
 474 + * a serial port device in PPP line discipline (or equivalently
 475 + * with PPP STREAMS modules pushed onto it).
 476 + */
 477 +struct channel {
 478 +       /* set of options for this channel */
 479 +       option_t *options;
 480 +       /* find and process a per-channel options file */
 481 +       void (*process_extra_options) __P((void));
 482 +       /* check all the options that have been given */
 483 +       void (*check_options) __P((void));
 484 +       /* get the channel ready to do PPP, return a file descriptor */
 485 +       int  (*connect) __P((void));
 486 +       /* we're finished with the channel */
 487 +       void (*disconnect) __P((void));
 488 +       /* put the channel into PPP `mode' */
 489 +       int  (*establish_ppp) __P((int));
 490 +       /* take the channel out of PPP `mode', restore loopback if demand */
 491 +       void (*disestablish_ppp) __P((int));
 492 +       /* set the transmit-side PPP parameters of the channel */
 493 +       void (*send_config) __P((int, u_int32_t, int, int));
 494 +       /* set the receive-side PPP parameters of the channel */
 495 +       void (*recv_config) __P((int, u_int32_t, int, int));
 496 +       /* cleanup on error or normal exit */
 497 +       void (*cleanup) __P((void));
 498 +       /* close the device, called in children after fork */
 499 +       void (*close) __P((void));
 500 +};
 501 +
 502 +extern struct channel *the_channel;
 503 +
 504 +/*
 505 + * Prototypes.
 506 + */
 507 +
 508 +/* Procedures exported from main.c. */
 509 +void set_ifunit __P((int));    /* set stuff that depends on ifunit */
 510 +void detach __P((void));       /* Detach from controlling tty */
 511 +void die __P((int));           /* Cleanup and exit */
 512 +void quit __P((void));         /* like die(1) */
 513 +void novm __P((char *));       /* Say we ran out of memory, and die */
 514 +void timeout __P((void (*func)(void *), void *arg, int s, int us));
 515 +                               /* Call func(arg) after s.us seconds */
 516 +void untimeout __P((void (*func)(void *), void *arg));
 517 +                               /* Cancel call to func(arg) */
 518 +void record_child __P((int, char *, void (*) (void *), void *));
 519 +pid_t safe_fork __P((int, int, int));  /* Fork & close stuff in child */
 520 +int  device_script __P((char *cmd, int in, int out, int dont_wait));
 521 +                               /* Run `cmd' with given stdin and stdout */
 522 +pid_t run_program __P((char *prog, char **args, int must_exist,
 523 +                      void (*done)(void *), void *arg));
 524 +                               /* Run program prog with args in child */
 525 +void reopen_log __P((void));   /* (re)open the connection to syslog */
 526 +void print_link_stats __P((void)); /* Print stats, if available */
 527 +void reset_link_stats __P((int)); /* Reset (init) stats when link goes up */
 528 +void update_link_stats __P((int)); /* Get stats at link termination */
 529 +void script_setenv __P((char *, char *, int)); /* set script env var */
 530 +void script_unsetenv __P((char *));            /* unset script env var */
 531 +void new_phase __P((int));     /* signal start of new phase */
 532 +void add_notifier __P((struct notifier **, notify_func, void *));
 533 +void remove_notifier __P((struct notifier **, notify_func, void *));
 534 +void notify __P((struct notifier *, int));
 535 +int  ppp_send_config __P((int, int, u_int32_t, int, int));
 536 +int  ppp_recv_config __P((int, int, u_int32_t, int, int));
 537 +void remove_pidfiles __P((void));
 538 +void lock_db __P((void));
 539 +void unlock_db __P((void));
 540 +
 541 +/* Procedures exported from tty.c. */
 542 +void tty_init __P((void));
 543 +
 544 +/* Procedures exported from utils.c. */
 545 +void log_packet __P((u_char *, int, char *, int));
 546 +                               /* Format a packet and log it with syslog */
 547 +void print_string __P((char *, int,  void (*) (void *, char *, ...),
 548 +               void *));       /* Format a string for output */
 549 +int slprintf __P((char *, int, char *, ...));          /* sprintf++ */
 550 +int vslprintf __P((char *, int, char *, va_list));     /* vsprintf++ */
 551 +size_t strlcpy __P((char *, const char *, size_t));    /* safe strcpy */
 552 +size_t strlcat __P((char *, const char *, size_t));    /* safe strncpy */
 553 +void dbglog __P((char *, ...));        /* log a debug message */
 554 +void info __P((char *, ...));  /* log an informational message */
 555 +void notice __P((char *, ...));        /* log a notice-level message */
 556 +void warn __P((char *, ...));  /* log a warning message */
 557 +void error __P((char *, ...)); /* log an error message */
 558 +void fatal __P((char *, ...)); /* log an error message and die(1) */
 559 +void init_pr_log __P((char *, int));   /* initialize for using pr_log */
 560 +void pr_log __P((void *, char *, ...));        /* printer fn, output to syslog */
 561 +void end_pr_log __P((void));   /* finish up after using pr_log */
 562 +void dump_packet __P((const char *, u_char *, int));
 563 +                               /* dump packet to debug log if interesting */
 564 +ssize_t complete_read __P((int, void *, size_t));
 565 +                               /* read a complete buffer */
 566 +
 567 +/* Procedures exported from auth.c */
 568 +void link_required __P((int));   /* we are starting to use the link */
 569 +void link_terminated __P((int));  /* we are finished with the link */
 570 +void link_down __P((int));       /* the LCP layer has left the Opened state */
 571 +void upper_layers_down __P((int));/* take all NCPs down */
 572 +void link_established __P((int)); /* the link is up; authenticate now */
 573 +void start_networks __P((int));   /* start all the network control protos */
 574 +void continue_networks __P((int)); /* start network [ip, etc] control protos */
 575 +void np_up __P((int, int));      /* a network protocol has come up */
 576 +void np_down __P((int, int));    /* a network protocol has gone down */
 577 +void np_finished __P((int, int)); /* a network protocol no longer needs link */
 578 +void auth_peer_fail __P((int, int));
 579 +                               /* peer failed to authenticate itself */
 580 +void auth_peer_success __P((int, int, int, char *, int));
 581 +                               /* peer successfully authenticated itself */
 582 +void auth_withpeer_fail __P((int, int));
 583 +                               /* we failed to authenticate ourselves */
 584 +void auth_withpeer_success __P((int, int, int));
 585 +                               /* we successfully authenticated ourselves */
 586 +void auth_check_options __P((void));
 587 +                               /* check authentication options supplied */
 588 +void auth_reset __P((int));    /* check what secrets we have */
 589 +int  check_passwd __P((int, char *, int, char *, int, char **));
 590 +                               /* Check peer-supplied username/password */
 591 +int  get_secret __P((int, char *, char *, char *, int *, int));
 592 +                               /* get "secret" for chap */
 593 +int  get_srp_secret __P((int unit, char *client, char *server, char *secret,
 594 +    int am_server));
 595 +int  auth_ip_addr __P((int, u_int32_t));
 596 +                               /* check if IP address is authorized */
 597 +int  auth_number __P((void));  /* check if remote number is authorized */
 598 +int  bad_ip_adrs __P((u_int32_t));
 599 +                               /* check if IP address is unreasonable */
 600 +
 601 +/* Procedures exported from demand.c */
 602 +void demand_conf __P((void));  /* config interface(s) for demand-dial */
 603 +void demand_block __P((void)); /* set all NPs to queue up packets */
 604 +void demand_unblock __P((void)); /* set all NPs to pass packets */
 605 +void demand_discard __P((void)); /* set all NPs to discard packets */
 606 +void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
 607 +int  loop_chars __P((unsigned char *, int)); /* process chars from loopback */
 608 +int  loop_frame __P((unsigned char *, int)); /* should we bring link up? */
 609 +
 610 +/* Procedures exported from multilink.c */
 611 +#ifdef HAVE_MULTILINK
 612 +void mp_check_options __P((void)); /* Check multilink-related options */
 613 +int  mp_join_bundle __P((void));  /* join our link to an appropriate bundle */
 614 +void mp_exit_bundle __P((void));  /* have disconnected our link from bundle */
 615 +void mp_bundle_terminated __P((void));
 616 +char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
 617 +int  str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
 618 +#else
 619 +#define mp_bundle_terminated() /* nothing */
 620 +#define mp_exit_bundle()       /* nothing */
 621 +#define doing_multilink                0
 622 +#define multilink_master       0
 623 +#endif
 624 +
 625 +/* Procedures exported from sys-*.c */
 626 +void sys_init __P((void));     /* Do system-dependent initialization */
 627 +void sys_cleanup __P((void));  /* Restore system state before exiting */
 628 +int  sys_check_options __P((void)); /* Check options specified */
 629 +void sys_close __P((void));    /* Clean up in a child before execing */
 630 +int  ppp_available __P((void));        /* Test whether ppp kernel support exists */
 631 +int  get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
 632 +int  open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
 633 +int  tty_establish_ppp __P((int));  /* Turn serial port into a ppp interface */
 634 +void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
 635 +void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
 636 +int  generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
 637 +void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
 638 +int  bundle_attach __P((int)); /* Attach link to existing bundle */
 639 +void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
 640 +void destroy_bundle __P((void)); /* Tell driver to destroy bundle */
 641 +void clean_check __P((void));  /* Check if line was 8-bit clean */
 642 +void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
 643 +void restore_tty __P((int));   /* Restore port's original parameters */
 644 +void setdtr __P((int, int));   /* Raise or lower port's DTR line */
 645 +void output __P((int, u_char *, int)); /* Output a PPP packet */
 646 +void wait_input __P((struct timeval *));
 647 +                               /* Wait for input, with timeout */
 648 +void add_fd __P((int));                /* Add fd to set to wait for */
 649 +void remove_fd __P((int));     /* Remove fd from set to wait for */
 650 +int  read_packet __P((u_char *)); /* Read PPP packet */
 651 +int  get_loop_output __P((void)); /* Read pkts from loopback */
 652 +void tty_send_config __P((int, u_int32_t, int, int));
 653 +                               /* Configure i/f transmit parameters */
 654 +void tty_set_xaccm __P((ext_accm));
 655 +                               /* Set extended transmit ACCM */
 656 +void tty_recv_config __P((int, u_int32_t, int, int));
 657 +                               /* Configure i/f receive parameters */
 658 +int  ccp_test __P((int, u_char *, int, int));
 659 +                               /* Test support for compression scheme */
 660 +void ccp_flags_set __P((int, int, int));
 661 +                               /* Set kernel CCP state */
 662 +int  ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
 663 +int  get_idle_time __P((int, struct ppp_idle *));
 664 +                               /* Find out how long link has been idle */
 665 +int  get_ppp_stats __P((int, struct pppd_stats *));
 666 +                               /* Return link statistics */
 667 +void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
 668 +int  netif_get_mtu __P((int));      /* Get PPP interface MTU */
 669 +int  sifvjcomp __P((int, int, int, int));
 670 +                               /* Configure VJ TCP header compression */
 671 +int  sifup __P((int));         /* Configure i/f up for one protocol */
 672 +int  sifnpmode __P((int u, int proto, enum NPmode mode));
 673 +                               /* Set mode for handling packets for proto */
 674 +int  sifdown __P((int));       /* Configure i/f down for one protocol */
 675 +int  sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
 676 +                               /* Configure IPv4 addresses for i/f */
 677 +int  cifaddr __P((int, u_int32_t, u_int32_t));
 678 +                               /* Reset i/f IP addresses */
 679 +#ifdef INET6
 680 +int  sif6addr __P((int, eui64_t, eui64_t));
 681 +                               /* Configure IPv6 addresses for i/f */
 682 +int  cif6addr __P((int, eui64_t, eui64_t));
 683 +                               /* Remove an IPv6 address from i/f */
 684 +#endif
 685 +int  sifdefaultroute __P((int, u_int32_t, u_int32_t));
 686 +                               /* Create default route through i/f */
 687 +int  cifdefaultroute __P((int, u_int32_t, u_int32_t));
 688 +                               /* Delete default route through i/f */
 689 +int  sifproxyarp __P((int, u_int32_t));
 690 +                               /* Add proxy ARP entry for peer */
 691 +int  cifproxyarp __P((int, u_int32_t));
 692 +                               /* Delete proxy ARP entry for peer */
 693 +u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
 694 +int  lock __P((char *));       /* Create lock file for device */
 695 +int  relock __P((int));                /* Rewrite lock file with new pid */
 696 +void unlock __P((void));       /* Delete previously-created lock file */
 697 +void logwtmp __P((const char *, const char *, const char *));
 698 +                               /* Write entry to wtmp file */
 699 +int  get_host_seed __P((void));        /* Get host-dependent random number seed */
 700 +int  have_route_to __P((u_int32_t)); /* Check if route to addr exists */
 701 +#ifdef PPP_FILTER
 702 +int  set_filters __P((struct bpf_program *pass, struct bpf_program *active));
 703 +                               /* Set filter programs in kernel */
 704 +#endif
 705 +#ifdef IPX_CHANGE
 706 +int  sipxfaddr __P((int, unsigned long, unsigned char *));
 707 +int  cipxfaddr __P((int));
 708 +#endif
 709 +int  get_if_hwaddr __P((u_char *addr, char *name));
 710 +char *get_first_ethernet __P((void));
 711 +
 712 +/* Procedures exported from options.c */
 713 +int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
 714 +int  parse_args __P((int argc, char **argv));
 715 +                               /* Parse options from arguments given */
 716 +int  options_from_file __P((char *filename, int must_exist, int check_prot,
 717 +                           int privileged));
 718 +                               /* Parse options from an options file */
 719 +int  options_from_user __P((void)); /* Parse options from user's .ppprc */
 720 +int  options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
 721 +int  options_from_list __P((struct wordlist *, int privileged));
 722 +                               /* Parse options from a wordlist */
 723 +int  getword __P((FILE *f, char *word, int *newlinep, char *filename));
 724 +                               /* Read a word from a file */
 725 +void option_error __P((char *fmt, ...));
 726 +                               /* Print an error message about an option */
 727 +int int_option __P((char *, int *));
 728 +                               /* Simplified number_option for decimal ints */
 729 +void add_options __P((option_t *)); /* Add extra options */
 730 +void check_options __P((void));        /* check values after all options parsed */
 731 +int  override_value __P((const char *, int, const char *));
 732 +                               /* override value if permitted by priority */
 733 +void print_options __P((void (*) __P((void *, char *, ...)), void *));
 734 +                               /* print out values of all options */
 735 +
 736 +int parse_dotted_ip __P((char *, u_int32_t *));
 737 +
 738 +/*
 739 + * Hooks to enable plugins to change various things.
 740 + */
 741 +extern int (*new_phase_hook) __P((int));
 742 +extern int (*idle_time_hook) __P((struct ppp_idle *));
 743 +extern int (*holdoff_hook) __P((void));
 744 +extern int (*pap_check_hook) __P((void));
 745 +extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
 746 +                                struct wordlist **paddrs,
 747 +                                struct wordlist **popts));
 748 +extern void (*pap_logout_hook) __P((void));
 749 +extern int (*pap_passwd_hook) __P((char *user, char *passwd));
 750 +extern int (*allowed_address_hook) __P((u_int32_t addr));
 751 +extern void (*ip_up_hook) __P((void));
 752 +extern void (*ip_down_hook) __P((void));
 753 +extern void (*ip_choose_hook) __P((u_int32_t *));
 754 +
 755 +extern int (*chap_check_hook) __P((void));
 756 +extern int (*chap_passwd_hook) __P((char *user, char *passwd));
 757 +
 758 +/* Let a plugin snoop sent and received packets.  Useful for L2TP */
 759 +extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
 760 +extern void (*snoop_send_hook) __P((unsigned char *p, int len));
 761 +
 762 +/*
 763 + * Inline versions of get/put char/short/long.
 764 + * Pointer is advanced; we assume that both arguments
 765 + * are lvalues and will already be in registers.
 766 + * cp MUST be u_char *.
 767 + */
 768 +#define GETCHAR(c, cp) { \
 769 +       (c) = *(cp)++; \
 770 +}
 771 +#define PUTCHAR(c, cp) { \
 772 +       *(cp)++ = (u_char) (c); \
 773 +}
 774 +
 775 +
 776 +#define GETSHORT(s, cp) { \
 777 +       (s) = *(cp)++ << 8; \
 778 +       (s) |= *(cp)++; \
 779 +}
 780 +#define PUTSHORT(s, cp) { \
 781 +       *(cp)++ = (u_char) ((s) >> 8); \
 782 +       *(cp)++ = (u_char) (s); \
 783 +}
 784 +
 785 +#define GETLONG(l, cp) { \
 786 +       (l) = *(cp)++ << 8; \
 787 +       (l) |= *(cp)++; (l) <<= 8; \
 788 +       (l) |= *(cp)++; (l) <<= 8; \
 789 +       (l) |= *(cp)++; \
 790 +}
 791 +#define PUTLONG(l, cp) { \
 792 +       *(cp)++ = (u_char) ((l) >> 24); \
 793 +       *(cp)++ = (u_char) ((l) >> 16); \
 794 +       *(cp)++ = (u_char) ((l) >> 8); \
 795 +       *(cp)++ = (u_char) (l); \
 796 +}
 797 +
 798 +#define INCPTR(n, cp)  ((cp) += (n))
 799 +#define DECPTR(n, cp)  ((cp) -= (n))
 800 +
 801 +/*
 802 + * System dependent definitions for user-level 4.3BSD UNIX implementation.
 803 + */
 804 +
 805 +#define TIMEOUT(r, f, t)       timeout((r), (f), (t), 0)
 806 +#define UNTIMEOUT(r, f)                untimeout((r), (f))
 807 +
 808 +#define BCOPY(s, d, l)         memcpy(d, s, l)
 809 +#define BZERO(s, n)            memset(s, 0, n)
 810 +#define        BCMP(s1, s2, l)         memcmp(s1, s2, l)
 811 +
 812 +#define PRINTMSG(m, l)         { info("Remote message: %0.*v", l, m); }
 813 +
 814 +/*
 815 + * MAKEHEADER - Add Header fields to a packet.
 816 + */
 817 +#define MAKEHEADER(p, t) { \
 818 +    PUTCHAR(PPP_ALLSTATIONS, p); \
 819 +    PUTCHAR(PPP_UI, p); \
 820 +    PUTSHORT(t, p); }
 821 +
 822 +/*
 823 + * Exit status values.
 824 + */
 825 +#define EXIT_OK                        0
 826 +#define EXIT_FATAL_ERROR       1
 827 +#define EXIT_OPTION_ERROR      2
 828 +#define EXIT_NOT_ROOT          3
 829 +#define EXIT_NO_KERNEL_SUPPORT 4
 830 +#define EXIT_USER_REQUEST      5
 831 +#define EXIT_LOCK_FAILED       6
 832 +#define EXIT_OPEN_FAILED       7
 833 +#define EXIT_CONNECT_FAILED    8
 834 +#define EXIT_PTYCMD_FAILED     9
 835 +#define EXIT_NEGOTIATION_FAILED        10
 836 +#define EXIT_PEER_AUTH_FAILED  11
 837 +#define EXIT_IDLE_TIMEOUT      12
 838 +#define EXIT_CONNECT_TIME      13
 839 +#define EXIT_CALLBACK          14
 840 +#define EXIT_PEER_DEAD         15
 841 +#define EXIT_HANGUP            16
 842 +#define EXIT_LOOPBACK          17
 843 +#define EXIT_INIT_FAILED       18
 844 +#define EXIT_AUTH_TOPEER_FAILED        19
 845 +#ifdef MAXOCTETS
 846 +#define EXIT_TRAFFIC_LIMIT     20
 847 +#endif
 848 +#define EXIT_CNID_AUTH_FAILED  21
 849 +
 850 +/*
 851 + * Debug macros.  Slightly useful for finding bugs in pppd, not particularly
 852 + * useful for finding out why your connection isn't being established.
 853 + */
 854 +#ifdef DEBUGALL
 855 +#define DEBUGMAIN      1
 856 +#define DEBUGFSM       1
 857 +#define DEBUGLCP       1
 858 +#define DEBUGIPCP      1
 859 +#define DEBUGIPV6CP    1
 860 +#define DEBUGUPAP      1
 861 +#define DEBUGCHAP      1
 862 +#endif
 863 +
 864 +#ifndef LOG_PPP                        /* we use LOG_LOCAL2 for syslog by default */
 865 +#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
 866 +  || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
 867 +  || defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
 868 +#define LOG_PPP LOG_LOCAL2
 869 +#else
 870 +#define LOG_PPP LOG_DAEMON
 871 +#endif
 872 +#endif /* LOG_PPP */
 873 +
 874 +#ifdef DEBUGMAIN
 875 +#define MAINDEBUG(x)   if (debug) dbglog x
 876 +#else
 877 +#define MAINDEBUG(x)
 878 +#endif
 879 +
 880 +#ifdef DEBUGSYS
 881 +#define SYSDEBUG(x)    if (debug) dbglog x
 882 +#else
 883 +#define SYSDEBUG(x)
 884 +#endif
 885 +
 886 +#ifdef DEBUGFSM
 887 +#define FSMDEBUG(x)    if (debug) dbglog x
 888 +#else
 889 +#define FSMDEBUG(x)
 890 +#endif
 891 +
 892 +#ifdef DEBUGLCP
 893 +#define LCPDEBUG(x)    if (debug) dbglog x
 894 +#else
 895 +#define LCPDEBUG(x)
 896 +#endif
 897 +
 898 +#ifdef DEBUGIPCP
 899 +#define IPCPDEBUG(x)   if (debug) dbglog x
 900 +#else
 901 +#define IPCPDEBUG(x)
 902 +#endif
 903 +
 904 +#ifdef DEBUGIPV6CP
 905 +#define IPV6CPDEBUG(x)  if (debug) dbglog x
 906 +#else
 907 +#define IPV6CPDEBUG(x)
 908 +#endif
 909 +
 910 +#ifdef DEBUGUPAP
 911 +#define UPAPDEBUG(x)   if (debug) dbglog x
 912 +#else
 913 +#define UPAPDEBUG(x)
 914 +#endif
 915 +
 916 +#ifdef DEBUGCHAP
 917 +#define CHAPDEBUG(x)   if (debug) dbglog x
 918 +#else
 919 +#define CHAPDEBUG(x)
 920 +#endif
 921 +
 922 +#ifdef DEBUGIPXCP
 923 +#define IPXCPDEBUG(x)  if (debug) dbglog x
 924 +#else
 925 +#define IPXCPDEBUG(x)
 926 +#endif
 927 +
 928 +#ifndef SIGTYPE
 929 +#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
 930 +#define SIGTYPE void
 931 +#else
 932 +#define SIGTYPE int
 933 +#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
 934 +#endif /* SIGTYPE */
 935 +
 936 +#ifndef MIN
 937 +#define MIN(a, b)      ((a) < (b)? (a): (b))
 938 +#endif
 939 +#ifndef MAX
 940 +#define MAX(a, b)      ((a) > (b)? (a): (b))
 941 +#endif
 942 +
 943 +#ifndef offsetof
 944 +#define offsetof(type, member) ((size_t) &((type *)0)->member)
 945 +#endif
 946 +
 947 +#endif /* __PPP_H__ */