source: rtems/cpukit/pppd/pppd.h @ 33a1a4db

5
Last change on this file since 33a1a4db was 11925eef, checked in by Sebastian Huber <sebastian.huber@…>, on 11/21/14 at 07:49:57

Delete or rename MIN/MAX macros and defines

Include <sys/param.h> if necessary to get the MIN()/MAX() macros.

  • Property mode set to 100644
File size: 22.7 KB
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1/*
2 * pppd.h - PPP daemon global declarations.
3 *
4 * Copyright (c) 1989 Carnegie Mellon University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University.  The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * $Id$
20 */
21
22#ifndef __PPPD_H__
23#define __PPPD_H__
24
25#include <stdbool.h>            /* bool */
26#include <stdio.h>              /* for FILE */
27#include <limits.h>             /* for NGROUPS_MAX */
28#include <sys/param.h>
29#include <sys/types.h>          /* for uint32_t, if defined */
30#include <sys/time.h>           /* for struct timeval */
31#include <net/ppp_defs.h>
32#include <rtems/rtemsdialer.h>
33#include <stdint.h>
34
35#if defined(__STDC__)
36#include <stdarg.h>
37#define __V(x)  x
38#else
39#include <varargs.h>
40#define __V(x)  (va_alist) va_dcl
41#define const
42#define volatile
43#endif
44
45#ifdef INET6
46#include "eui64.h"
47#endif
48
49/*
50 * Limits.
51 */
52
53#define NUM_PPP         1       /* One PPP interface supported (per process) */
54#define MAXWORDLEN      1024    /* max length of word in file (incl null) */
55#define MAXARGS         1       /* max # args to a command */
56#define MAXNAMELEN      256     /* max length of hostname or name for auth */
57#define MAXSECRETLEN    256     /* max length of password or secret */
58
59/*
60 * Option descriptor structure.
61 */
62
63enum opt_type {
64        o_special_noarg = 0,
65        o_special = 1,
66        o_bool,
67        o_int,
68        o_uint32,
69        o_string,
70};
71
72typedef struct {
73        char    *name;          /* name of the option */
74        enum opt_type type;
75        void    *addr;
76        char    *description;
77        uint32_t flags;
78        void    *addr2;
79        int     upper_limit;
80        int     lower_limit;
81} option_t;
82
83/* Values for flags */
84#define OPT_VALUE       0xffL   /* mask for presupplied value */
85#define OPT_HEX         0x100L  /* int option is in hex */
86#define OPT_NOARG       0x200L  /* option doesn't take argument */
87#define OPT_OR          0x400L  /* OR in argument to value */
88#define OPT_INC         0x800L  /* increment value */
89#define OPT_PRIV        0x1000L /* privileged option */
90#define OPT_STATIC      0x2000L /* string option goes into static array */
91#define OPT_LLIMIT      0x4000L /* check value against lower limit */
92#define OPT_ULIMIT      0x8000L /* check value against upper limit */
93#define OPT_LIMITS      (OPT_LLIMIT|OPT_ULIMIT)
94#define OPT_ZEROOK      0x10000L        /* 0 value is OK even if not within limits */
95#define OPT_NOINCR      0x20000L        /* value mustn't be increased */
96#define OPT_ZEROINF     0x40000L        /* with OPT_NOINCR, 0 == infinity */
97#define OPT_A2INFO      0x100000L /* addr2 -> option_info to update */
98#define OPT_A2COPY      0x200000L /* addr2 -> second location to rcv value */
99#define OPT_ENABLE      0x400000L /* use *addr2 as enable for option */
100#define OPT_PRIVFIX     0x800000L /* can't be overridden if noauth */
101#define OPT_PREPASS     0x1000000L /* do this opt in pre-pass to find device */
102#define OPT_INITONLY    0x2000000L /* option can only be set in init phase */
103#define OPT_DEVEQUIV    0x4000000L /* equiv to device name */
104#define OPT_DEVNAM      (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV)
105
106#define OPT_VAL(x)      ((x) & OPT_VALUE)
107
108#ifndef GIDSET_TYPE
109#define GIDSET_TYPE     gid_t
110#endif
111
112/* Structure representing a list of permitted IP addresses. */
113struct permitted_ip {
114    int         permit;         /* 1 = permit, 0 = forbid */
115    uint32_t    base;           /* match if (addr & mask) == base */
116    uint32_t    mask;           /* base and mask are in network byte order */
117};
118
119/*
120 * Unfortunately, the linux kernel driver uses a different structure
121 * for statistics from the rest of the ports.
122 * This structure serves as a common representation for the bits
123 * pppd needs.
124 */
125struct pppd_stats {
126    unsigned int        bytes_in;
127    unsigned int        bytes_out;
128};
129
130/* Used for storing a sequence of words.  Usually malloced. */
131struct wordlist {
132    struct wordlist     *next;
133    char                *word;
134};
135
136/*
137 * Global variables.
138 */
139
140extern int      pppd_kill_link; /* Signal to terminate processing loop */
141extern int      hungup;         /* Physical layer has disconnected */
142extern int      pppifunit;      /* Interface unit number */
143extern char     ifname[];       /* Interface name */
144extern int      pppd_ttyfd;     /* Serial device file descriptor */
145extern char     hostname[];     /* Our hostname */
146extern u_char   outpacket_buf[]; /* Buffer for outgoing packets */
147extern int      pppd_phase;             /* Current state of link - see values below */
148extern int      baud_rate;      /* Current link speed in bits/sec */
149extern int      redirect_stderr;/* Connector's stderr should go to file */
150extern char     peer_authname[];/* Authenticated name of peer */
151extern int      privileged;     /* We were run by real-uid root */
152extern int      need_holdoff;   /* Need holdoff period after link terminates */
153extern char     **script_env;   /* Environment variables for scripts */
154extern int      detached;       /* Have detached from controlling tty */
155extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
156extern int      ngroups;        /* How many groups valid in groups */
157extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
158extern int      using_pty;      /* using pty as device (notty or pty opt.) */
159extern int      log_to_fd;      /* logging to this fd as well as syslog */
160extern char     *no_ppp_msg;    /* message to print if ppp not in kernel */
161extern volatile int pppd_status;        /* exit status for pppd */
162extern int      devnam_fixed;   /* can no longer change devnam */
163extern int      unsuccess;      /* # unsuccessful connection attempts */
164extern int      do_callback;    /* set if we want to do callback next */
165extern int      doing_callback; /* set if this is a callback */
166extern dialerfp pppd_dialer;    /* script dialer function callback */
167
168/* Values for do_callback and doing_callback */
169#define CALLBACK_DIALIN         1       /* we are expecting the call back */
170#define CALLBACK_DIALOUT        2       /* we are dialling out to call back */
171
172/*
173 * Variables set by command-line options.
174 */
175
176extern int      debug;          /* Debug flag */
177extern int      kdebugflag;     /* Tell kernel to print debug messages */
178extern int      default_device; /* Using /dev/tty or equivalent */
179extern char     devnam[MAXPATHLEN];     /* Device name */
180extern int      crtscts;        /* Use hardware flow control */
181extern bool     modem;          /* Use modem control lines */
182extern int      inspeed;        /* Input/Output speed requested */
183extern uint32_t netmask;        /* IP netmask to set on interface */
184extern bool     lockflag;       /* Create lock file to lock the serial dev */
185extern bool     nodetach;       /* Don't detach from controlling tty */
186extern bool     updetach;       /* Detach from controlling tty when link up */
187extern char     *initializer;   /* Script to initialize physical link */
188extern char     *connect_script; /* Script to establish physical link */
189extern char     *disconnect_script; /* Script to disestablish physical link */
190extern char     *welcomer;      /* Script to welcome client after connection */
191extern char     *ptycommand;    /* Command to run on other side of pty */
192extern int      maxconnect;     /* Maximum connect time (seconds) */
193extern char     user[MAXNAMELEN];/* Our name for authenticating ourselves */
194extern char     passwd[MAXSECRETLEN];   /* Password for PAP or CHAP */
195extern bool     auth_required;  /* Peer is required to authenticate */
196extern bool     persist;        /* Reopen link after it goes down */
197extern bool     uselogin;       /* Use /etc/passwd for checking PAP */
198extern char     our_name[MAXNAMELEN];/* Our name for authentication purposes */
199extern char     remote_name[MAXNAMELEN]; /* Peer's name for authentication */
200extern bool     explicit_remote;/* remote_name specified with remotename opt */
201extern bool     demand;         /* Do dial-on-demand */
202extern char     *ipparam;       /* Extra parameter for ip up/down scripts */
203extern bool     cryptpap;       /* Others' PAP passwords are encrypted */
204extern int      idle_time_limit;/* Shut down link if idle for this long */
205extern int      holdoff;        /* Dead time before restarting */
206extern bool     holdoff_specified; /* true if user gave a holdoff value */
207extern bool     notty;          /* Stdin/out is not a tty */
208extern char     *record_file;   /* File to record chars sent/received */
209extern bool     sync_serial;    /* Device is synchronous serial device */
210extern int      maxfail;        /* Max # of unsuccessful connection attempts */
211extern char     linkname[MAXPATHLEN]; /* logical name for link */
212extern bool     tune_kernel;    /* May alter kernel settings as necessary */
213extern int      connect_delay;  /* Time to delay after connect script */
214
215#ifdef PPP_FILTER
216extern struct   bpf_program pass_filter;   /* Filter for pkts to pass */
217extern struct   bpf_program active_filter; /* Filter for link-active pkts */
218#endif
219
220#ifdef MSLANMAN
221extern bool     ms_lanman;      /* Use LanMan password instead of NT */
222                                /* Has meaning only with MS-CHAP challenges */
223#endif
224
225extern char *current_option;    /* the name of the option being parsed */
226extern int  privileged_option;  /* set iff the current option came from root */
227extern char *option_source;     /* string saying where the option came from */
228
229/*
230 * Values for phase.
231 */
232#define PHASE_DEAD              0
233#define PHASE_INITIALIZE        1
234#define PHASE_SERIALCONN        2
235#define PHASE_DORMANT           3
236#define PHASE_ESTABLISH         4
237#define PHASE_AUTHENTICATE      5
238#define PHASE_CALLBACK          6
239#define PHASE_NETWORK           7
240#define PHASE_RUNNING           8
241#define PHASE_TERMINATE         9
242#define PHASE_DISCONNECT        10
243#define PHASE_HOLDOFF           11
244
245/*
246 * The following struct gives the addresses of procedures to call
247 * for a particular protocol.
248 */
249struct protent {
250    u_short protocol;           /* PPP protocol number */
251    /* Initialization procedure */
252    void (*init)(int unit);
253    /* Process a received packet */
254    void (*input)(int unit, u_char *pkt, int len);
255    /* Process a received protocol-reject */
256    void (*protrej)(int unit);
257    /* Lower layer has come up */
258    void (*lowerup)(int unit);
259    /* Lower layer has gone down */
260    void (*lowerdown)(int unit);
261    /* Open the protocol */
262    void (*open)(int unit);
263    /* Close the protocol */
264    void (*close)(int unit, char *reason);
265    /* Print a packet in readable form */
266    int  (*printpkt)(u_char *pkt, int len,
267                          void (*printer)(void *, char *, ...),
268                          void *arg);
269    /* Process a received data packet */
270    void (*datainput)(int unit, u_char *pkt, int len);
271    bool enabled_flag;          /* 0 iff protocol is disabled */
272    char *name;                 /* Text name of protocol */
273    char *data_name;            /* Text name of corresponding data protocol */
274    option_t *options;          /* List of command-line options */
275    /* Check requested options, assign defaults */
276    void (*check_options)(void);
277    /* Configure interface for demand-dial */
278    int  (*demand_conf)(int unit);
279    /* Say whether to bring up link for this pkt */
280    int  (*active_pkt)(u_char *pkt, int len);
281};
282
283/* Table of pointers to supported protocols */
284extern struct protent *protocols[];
285
286/*
287 * Prototypes.
288 */
289
290/* Procedures exported from main.c. */
291void die(int);          /* Cleanup and exit */
292void quit(void);                /* like die(1) */
293void novm(char *);      /* Say we ran out of memory, and die */
294void ppptimeout(void (*func)(void *), void *arg, int t);
295                                /* Call func(arg) after t seconds */
296void pppuntimeout(void (*func)(void *), void *arg);
297                                /* Cancel call to func(arg) */
298void update_link_stats(int); /* Get stats at link termination */
299void new_phase(int);    /* signal start of new phase */
300
301/* Procedures exported from utils.c. */
302void log_packet(u_char *, int, char *, int);
303                                /* Format a packet and log it with syslog */
304void print_string(void *, int,  void (*) (void *, char *, ...),
305                void *);        /* Format a string for output */
306int slprintf(char *, int, char *, ...);         /* sprintf++ */
307int vslprintf(char *, int, char *, va_list);    /* vsprintf++ */
308size_t strlcpy(char *, const char *, size_t);   /* safe strcpy */
309size_t strlcat(char *, const char *, size_t);   /* safe strncpy */
310void pppd_dbglog(char *, ...);  /* log a debug message */
311void pppd_info(char *, ...);    /* log an informational message */
312void pppd_notice(char *, ...);  /* log a notice-level message */
313void pppd_warn(char *, ...);    /* log a warning message */
314void pppd_error(char *, ...);   /* log an error message */
315void pppd_fatal(char *, ...);   /* log an error message and die(1) */
316
317#define dbglog pppd_dbglog
318#define info   pppd_info
319#define notice pppd_notice
320#define warn   pppd_warn
321#define error  pppd_error
322#define fatal  pppd_fatal
323
324/* Procedures exported from auth.c */
325void link_required(int);          /* we are starting to use the link */
326void link_terminated(int);  /* we are finished with the link */
327void link_down(int);      /* the LCP layer has left the Opened state */
328void link_established(int); /* the link is up; authenticate now */
329void start_networks(void);  /* start all the network control protos */
330void np_up(int, int);     /* a network protocol has come up */
331void np_down(int, int);   /* a network protocol has gone down */
332void np_finished(int, int); /* a network protocol no longer needs link */
333void auth_peer_fail(int, int);
334                                /* peer failed to authenticate itself */
335void auth_peer_success(int, int, char *, int);
336                                /* peer successfully authenticated itself */
337void auth_withpeer_fail(int, int);
338                                /* we failed to authenticate ourselves */
339void auth_withpeer_success(int, int);
340                                /* we successfully authenticated ourselves */
341int  auth_check_options(void);
342                                /* check authentication options supplied */
343void auth_reset(int);   /* check what secrets we have */
344int  check_passwd(int, char *, int, char *, int, char **);
345                                /* Check peer-supplied username/password */
346int  get_secret(int, char *, char *, unsigned char *, int *, int);
347                                /* get "secret" for chap */
348int  auth_ip_addr(int, uint32_t);
349                                /* check if IP address is authorized */
350int  bad_ip_adrs(uint32_t);
351                                /* check if IP address is unreasonable */
352
353/* Procedures exported from demand.c */
354void demand_conf(void); /* config interface(s) for demand-dial */
355void demand_block(void);        /* set all NPs to queue up packets */
356void demand_unblock(void); /* set all NPs to pass packets */
357void demand_discard(void); /* set all NPs to discard packets */
358void demand_rexmit(int);        /* retransmit saved frames for an NP */
359int  loop_chars(unsigned char *, int); /* process chars from loopback */
360int  loop_frame(unsigned char *, int); /* should we bring link up? */
361
362/* Procedures exported from sys-*.c */
363void sys_init(void);    /* Do system-dependent initialization */
364void sys_cleanup(void); /* Restore system state before exiting */
365int  sys_check_options(void); /* Check options specified */
366void sys_close(void);   /* Clean up in a child before execing */
367int  ppp_available(void);       /* Test whether ppp kernel support exists */
368int  get_pty(int *, int *, char *, int);        /* Get pty master/slave */
369int  open_ppp_loopback(void); /* Open loopback for demand-dialling */
370int  establish_ppp(int);        /* Turn serial port into a ppp interface */
371void restore_loop(void);        /* Transfer ppp unit back to loopback */
372void disestablish_ppp(int); /* Restore port to normal operation */
373void clean_check(void); /* Check if line was 8-bit clean */
374void set_up_tty(int, int); /* Set up port's speed, parameters, etc. */
375void restore_tty(int);  /* Restore port's original parameters */
376void setdtr(int, int);  /* Raise or lower port's DTR line */
377void output(int, u_char *, int); /* Output a PPP packet */
378void wait_input(struct timeval *); /* Wait for input, with timeout */
379
380void ppp_delay(void);       /* delay task for a little while */
381int  read_packet(u_char *); /* Read PPP packet */
382int  get_loop_output(void); /* Read pkts from loopback */
383void ppp_send_config(int, int, uint32_t, int, int);
384                                /* Configure i/f transmit parameters */
385void ppp_set_xaccm(int, ext_accm);
386                                /* Set extended transmit ACCM */
387void ppp_recv_config(int, int, uint32_t, int, int);
388                                /* Configure i/f receive parameters */
389int  ccp_test(int, u_char *, int, int);
390                                /* Test support for compression scheme */
391void ccp_flags_set(int, int, int);
392                                /* Set kernel CCP state */
393int  ccp_fatal_error(int); /* Test for fatal decomp error in kernel */
394int  get_idle_time(int, struct ppp_idle *);
395                                /* Find out how long link has been idle */
396int  get_ppp_stats(int, struct pppd_stats *);
397                                /* Return link statistics */
398int  sifvjcomp(int, int, int, int);
399                                /* Configure VJ TCP header compression */
400int  sifup(int);                /* Configure i/f up for one protocol */
401int  sifnpmode(int u, int proto, enum NPmode mode);
402                                /* Set mode for handling packets for proto */
403int  sifdown(int);      /* Configure i/f down for one protocol */
404int  sifaddr(int, uint32_t, uint32_t, uint32_t);
405                                /* Configure IPv4 addresses for i/f */
406int  cifaddr(int, uint32_t, uint32_t);
407                                /* Reset i/f IP addresses */
408#ifdef INET6
409int  sif6addr(int, eui64_t, eui64_t);
410                                /* Configure IPv6 addresses for i/f */
411int  cif6addr(int, eui64_t, eui64_t);
412                                /* Remove an IPv6 address from i/f */
413#endif
414int  sifdefaultroute(int, uint32_t, uint32_t);
415                                /* Create default route through i/f */
416int  cifdefaultroute(int, uint32_t, uint32_t);
417                                /* Delete default route through i/f */
418int  sifproxyarp(int, uint32_t);
419                                /* Add proxy ARP entry for peer */
420int  cifproxyarp(int, uint32_t);
421                                /* Delete proxy ARP entry for peer */
422uint32_t GetMask(uint32_t); /* Get appropriate netmask for address */
423int  lock(char *);      /* Create lock file for device */
424int  relock(int);               /* Rewrite lock file with new pid */
425void unlock(void);      /* Delete previously-created lock file */
426void logwtmp(const char *, const char *, const char *);
427                                /* Write entry to wtmp file */
428int  get_host_seed(void);       /* Get host-dependent random number seed */
429int  have_route_to(uint32_t); /* Check if route to addr exists */
430#ifdef PPP_FILTER
431int  set_filters(struct bpf_program *pass, struct bpf_program *active);
432                                /* Set filter programs in kernel */
433#endif
434#ifdef IPX_CHANGE
435int  sipxfaddr(int, unsigned long, unsigned char *);
436int  cipxfaddr(int);
437#endif
438
439/* Procedures exported from options.c */
440int  parse_args(int argc, char **argv);
441                                /* Parse options from arguments given */
442int  options_from_file(char *filename, int must_exist, int check_prot,
443                            int privileged);
444                                /* Parse options from an options file */
445int  options_from_user(void); /* Parse options from user's .ppprc */
446int  options_for_tty(void); /* Parse options from /etc/ppp/options.tty */
447int  options_from_list(struct wordlist *, int privileged);
448                                /* Parse options from a wordlist */
449int  getword(FILE *f, char *word, int *newlinep, char *filename);
450                                /* Read a word from a file */
451void option_error(char *fmt, ...);
452                                /* Print an error message about an option */
453int int_option(char *, int *);
454                                /* Simplified number_option for decimal ints */
455void add_options(option_t *); /* Add extra options */
456
457/*
458 * This structure is used to store information about certain
459 * options, such as where the option value came from (/etc/ppp/options,
460 * command line, etc.) and whether it came from a privileged source.
461 */
462
463struct option_info {
464    int     priv;               /* was value set by sysadmin? */
465    char    *source;            /* where option came from */
466};
467
468extern struct option_info devnam_info;
469extern struct option_info initializer_info;
470extern struct option_info connect_script_info;
471extern struct option_info disconnect_script_info;
472extern struct option_info welcomer_info;
473extern struct option_info ptycommand_info;
474
475/*
476 * Hooks to enable plugins to change various things.
477 */
478extern int (*new_phase_hook)(int);
479extern int (*idle_time_hook)(struct ppp_idle *);
480extern int (*holdoff_hook)(void);
481extern int (*pap_check_hook)(void);
482extern int (*pap_auth_hook)(char *user, char *passwd/*, char **msgp,
483                                 struct wordlist **paddrs,
484                                 struct wordlist **popts*/);
485extern void (*pap_logout_hook)(void);
486extern int (*pap_passwd_hook)(char *user, char *passwd);
487extern void (*ip_up_hook)(void);
488extern void (*ip_down_hook)(void);
489extern void (*auth_linkup_hook)(void);
490extern void (*auth_linkdown_hook)(void);
491
492/*
493 * Inline versions of get/put char/short/long.
494 * Pointer is advanced; we assume that both arguments
495 * are lvalues and will already be in registers.
496 * cp MUST be u_char *.
497 */
498#define GETCHAR(c, cp) { \
499        (c) = *(cp)++; \
500}
501#define PUTCHAR(c, cp) { \
502        *(cp)++ = (u_char) (c); \
503}
504
505
506#define GETSHORT(s, cp) { \
507        (s) = *(cp)++ << 8; \
508        (s) |= *(cp)++; \
509}
510#define PUTSHORT(s, cp) { \
511        *(cp)++ = (u_char) ((s) >> 8); \
512        *(cp)++ = (u_char) (s); \
513}
514
515#define GETLONG(l, cp) { \
516        (l) = *(cp)++ << 8; \
517        (l) |= *(cp)++; (l) <<= 8; \
518        (l) |= *(cp)++; (l) <<= 8; \
519        (l) |= *(cp)++; \
520}
521#define PUTLONG(l, cp) { \
522        *(cp)++ = (u_char) ((l) >> 24); \
523        *(cp)++ = (u_char) ((l) >> 16); \
524        *(cp)++ = (u_char) ((l) >> 8); \
525        *(cp)++ = (u_char) (l); \
526}
527
528#define INCPTR(n, cp)   ((cp) += (n))
529#define DECPTR(n, cp)   ((cp) -= (n))
530
531/*
532 * System dependent definitions for user-level 4.3BSD UNIX implementation.
533 */
534
535#define TIMEOUT(r, f, t)        ppptimeout((r), (f), (t))
536#define UNTIMEOUT(r, f) pppuntimeout((r), (f))
537
538#define BCOPY(s, d, l)          memcpy(d, s, l)
539#define BZERO(s, n)             memset(s, 0, n)
540
541#define PRINTMSG(m, l)          { info("Remote message: %0.*v", l, m); }
542
543/*
544 * MAKEHEADER - Add Header fields to a packet.
545 */
546#define MAKEHEADER(p, t) { \
547    PUTCHAR(PPP_ALLSTATIONS, p); \
548    PUTCHAR(PPP_UI, p); \
549    PUTSHORT(t, p); }
550
551/*
552 * Exit status values.
553 */
554#define EXIT_OK                 0
555#define EXIT_FATAL_ERROR        1
556#define EXIT_OPTION_ERROR       2
557#define EXIT_NOT_ROOT           3
558#define EXIT_NO_KERNEL_SUPPORT  4
559#define EXIT_USER_REQUEST       5
560#define EXIT_LOCK_FAILED        6
561#define EXIT_OPEN_FAILED        7
562#define EXIT_CONNECT_FAILED     8
563#define EXIT_PTYCMD_FAILED      9
564#define EXIT_NEGOTIATION_FAILED 10
565#define EXIT_PEER_AUTH_FAILED   11
566#define EXIT_IDLE_TIMEOUT       12
567#define EXIT_CONNECT_TIME       13
568#define EXIT_CALLBACK           14
569#define EXIT_PEER_DEAD          15
570#define EXIT_HANGUP             16
571#define EXIT_LOOPBACK           17
572#define EXIT_INIT_FAILED        18
573#define EXIT_AUTH_TOPEER_FAILED 19
574
575/*
576 * Debug macros.  Slightly useful for finding bugs in pppd, not particularly
577 * useful for finding out why your connection isn't being established.
578 */
579
580#ifdef DEBUGALL
581#define DEBUGMAIN       1
582#define DEBUGFSM        1
583#define DEBUGLCP        1
584#define DEBUGIPCP       1
585#define DEBUGIPV6CP     1
586#define DEBUGUPAP       1
587#define DEBUGCHAP       1
588#endif
589#define DEBUGMAIN       1
590#define DEBUGUPAP       1
591#define DEBUGCHAP       1
592
593
594#ifdef DEBUGMAIN
595#define MAINDEBUG(x)    if (debug) dbglog x
596#else
597#define MAINDEBUG(x)
598#endif
599
600#ifdef DEBUGSYS
601#define SYSDEBUG(x)     if (debug) dbglog x
602#else
603#define SYSDEBUG(x)
604#endif
605
606#ifdef DEBUGFSM
607#define FSMDEBUG(x)     if (debug) dbglog x
608#else
609#define FSMDEBUG(x)
610#endif
611
612#ifdef DEBUGLCP
613#define LCPDEBUG(x)     if (debug) dbglog x
614#else
615#define LCPDEBUG(x)
616#endif
617
618#ifdef DEBUGIPCP
619#define IPCPDEBUG(x)    if (debug) dbglog x
620#else
621#define IPCPDEBUG(x)
622#endif
623
624#ifdef DEBUGIPV6CP
625#define IPV6CPDEBUG(x)  if (debug) dbglog x
626#else
627#define IPV6CPDEBUG(x)
628#endif
629
630#ifdef DEBUGUPAP
631#define UPAPDEBUG(x)    if (debug) dbglog x
632#else
633#define UPAPDEBUG(x)
634#endif
635
636#ifdef DEBUGCHAP
637#define CHAPDEBUG(x)    if (debug) dbglog x
638#else
639#define CHAPDEBUG(x)
640#endif
641
642#ifdef DEBUGIPXCP
643#define IPXCPDEBUG(x)   if (debug) dbglog x
644#else
645#define IPXCPDEBUG(x)
646#endif
647
648#ifndef SIGTYPE
649#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
650#define SIGTYPE void
651#else
652#define SIGTYPE int
653#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
654#endif /* SIGTYPE */
655
656#endif /* __PPP_H__ */
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