2 * pppd.h - PPP daemon global declarations.
4 * Copyright (c) 1989 Carnegie Mellon University.
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.
19 * $Id: pppd.h,v 1.52 2000/04/04 07:06:53 paulus Exp $
29 #include <stdio.h> /* for FILE */
30 #include <limits.h> /* for NGROUPS_MAX */
31 #include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
32 #include <sys/types.h> /* for u_int32_t, if defined */
33 #include <sys/time.h> /* for struct timeval */
34 #include <net/ppp_defs.h>
41 #define __V(x) (va_alist) va_dcl
54 #define NUM_PPP 1 /* One PPP interface supported (per process) */
55 #define MAXWORDLEN 1024 /* max length of word in file (incl null) */
56 #define MAXARGS 1 /* max # args to a command */
57 #define MAXNAMELEN 256 /* max length of hostname or name for auth */
58 #define MAXSECRETLEN 256 /* max length of password or secret */
61 * Option descriptor structure.
64 typedef unsigned char bool;
76 char *name; /* name of the option */
86 /* Values for flags */
87 #define OPT_VALUE 0xff /* mask for presupplied value */
88 #define OPT_HEX 0x100 /* int option is in hex */
89 #define OPT_NOARG 0x200 /* option doesn't take argument */
90 #define OPT_OR 0x400 /* OR in argument to value */
91 #define OPT_INC 0x800 /* increment value */
92 #define OPT_PRIV 0x1000 /* privileged option */
93 #define OPT_STATIC 0x2000 /* string option goes into static array */
94 #define OPT_LLIMIT 0x4000 /* check value against lower limit */
95 #define OPT_ULIMIT 0x8000 /* check value against upper limit */
96 #define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
97 #define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
98 #define OPT_NOINCR 0x20000 /* value mustn't be increased */
99 #define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
100 #define OPT_A2INFO 0x100000 /* addr2 -> option_info to update */
101 #define OPT_A2COPY 0x200000 /* addr2 -> second location to rcv value */
102 #define OPT_ENABLE 0x400000 /* use *addr2 as enable for option */
103 #define OPT_PRIVFIX 0x800000 /* can't be overridden if noauth */
104 #define OPT_PREPASS 0x1000000 /* do this opt in pre-pass to find device */
105 #define OPT_INITONLY 0x2000000 /* option can only be set in init phase */
106 #define OPT_DEVEQUIV 0x4000000 /* equiv to device name */
107 #define OPT_DEVNAM (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV)
109 #define OPT_VAL(x) ((x) & OPT_VALUE)
112 #define GIDSET_TYPE gid_t
115 /* Structure representing a list of permitted IP addresses. */
116 struct permitted_ip {
117 int permit; /* 1 = permit, 0 = forbid */
118 u_int32_t base; /* match if (addr & mask) == base */
119 u_int32_t mask; /* base and mask are in network byte order */
123 * Unfortunately, the linux kernel driver uses a different structure
124 * for statistics from the rest of the ports.
125 * This structure serves as a common representation for the bits
129 unsigned int bytes_in;
130 unsigned int bytes_out;
133 /* Used for storing a sequence of words. Usually malloced. */
135 struct wordlist *next;
139 /* An endpoint discriminator, used with multilink. */
140 #define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
143 unsigned char length;
144 unsigned char value[MAX_ENDP_LEN];
147 /* values for epdisc.class */
148 #define EPD_NULL 0 /* null discriminator, no data */
153 #define EPD_PHONENUM 5
159 extern int hungup; /* Physical layer has disconnected */
160 extern int ifunit; /* Interface unit number */
161 extern char ifname[]; /* Interface name */
162 extern int ttyfd; /* Serial device file descriptor */
163 extern char hostname[]; /* Our hostname */
164 extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
165 extern int phase; /* Current state of link - see values below */
166 extern int baud_rate; /* Current link speed in bits/sec */
167 extern char *progname; /* Name of this program */
168 extern int redirect_stderr;/* Connector's stderr should go to file */
169 extern char peer_authname[];/* Authenticated name of peer */
170 extern int privileged; /* We were run by real-uid root */
171 extern int need_holdoff; /* Need holdoff period after link terminates */
172 extern char **script_env; /* Environment variables for scripts */
173 extern int detached; /* Have detached from controlling tty */
174 extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
175 extern int ngroups; /* How many groups valid in groups */
176 extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
177 extern int link_stats_valid; /* set if link_stats is valid */
178 extern int link_connect_time; /* time the link was up for */
179 extern int using_pty; /* using pty as device (notty or pty opt.) */
180 extern int log_to_fd; /* logging to this fd as well as syslog */
181 extern char *no_ppp_msg; /* message to print if ppp not in kernel */
182 extern volatile int status; /* exit status for pppd */
183 extern int devnam_fixed; /* can no longer change devnam */
184 extern int unsuccess; /* # unsuccessful connection attempts */
185 extern int do_callback; /* set if we want to do callback next */
186 extern int doing_callback; /* set if this is a callback */
188 /* Values for do_callback and doing_callback */
189 #define CALLBACK_DIALIN 1 /* we are expecting the call back */
190 #define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
193 * Variables set by command-line options.
196 extern int debug; /* Debug flag */
197 extern int kdebugflag; /* Tell kernel to print debug messages */
198 extern int default_device; /* Using /dev/tty or equivalent */
199 extern char devnam[MAXPATHLEN]; /* Device name */
200 extern int crtscts; /* Use hardware flow control */
201 extern bool modem; /* Use modem control lines */
202 extern int inspeed; /* Input/Output speed requested */
203 extern u_int32_t netmask; /* IP netmask to set on interface */
204 extern bool lockflag; /* Create lock file to lock the serial dev */
205 extern bool nodetach; /* Don't detach from controlling tty */
206 extern bool updetach; /* Detach from controlling tty when link up */
207 extern char *initializer; /* Script to initialize physical link */
208 extern char *connect_script; /* Script to establish physical link */
209 extern char *disconnect_script; /* Script to disestablish physical link */
210 extern char *welcomer; /* Script to welcome client after connection */
211 extern char *ptycommand; /* Command to run on other side of pty */
212 extern int maxconnect; /* Maximum connect time (seconds) */
213 extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
214 extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
215 extern bool auth_required; /* Peer is required to authenticate */
216 extern bool persist; /* Reopen link after it goes down */
217 extern bool uselogin; /* Use /etc/passwd for checking PAP */
218 extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
219 extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
220 extern bool explicit_remote;/* remote_name specified with remotename opt */
221 extern bool demand; /* Do dial-on-demand */
222 extern char *ipparam; /* Extra parameter for ip up/down scripts */
223 extern bool cryptpap; /* Others' PAP passwords are encrypted */
224 extern int idle_time_limit;/* Shut down link if idle for this long */
225 extern int holdoff; /* Dead time before restarting */
226 extern bool holdoff_specified; /* true if user gave a holdoff value */
227 extern bool notty; /* Stdin/out is not a tty */
228 extern char *pty_socket; /* Socket to connect to pty */
229 extern char *record_file; /* File to record chars sent/received */
230 extern bool sync_serial; /* Device is synchronous serial device */
231 extern int maxfail; /* Max # of unsuccessful connection attempts */
232 extern char linkname[MAXPATHLEN]; /* logical name for link */
233 extern bool tune_kernel; /* May alter kernel settings as necessary */
234 extern int connect_delay; /* Time to delay after connect script */
235 extern int max_data_rate; /* max bytes/sec through charshunt */
236 extern int req_unit; /* interface unit number to use */
237 extern bool multilink; /* enable multilink operation */
238 extern bool noendpoint; /* don't send or accept endpt. discrim. */
239 extern char *bundle_name; /* bundle name for multilink */
242 extern struct bpf_program pass_filter; /* Filter for pkts to pass */
243 extern struct bpf_program active_filter; /* Filter for link-active pkts */
247 extern bool ms_lanman; /* Use LanMan password instead of NT */
248 /* Has meaning only with MS-CHAP challenges */
251 extern char *current_option; /* the name of the option being parsed */
252 extern int privileged_option; /* set iff the current option came from root */
253 extern char *option_source; /* string saying where the option came from */
259 #define PHASE_INITIALIZE 1
260 #define PHASE_SERIALCONN 2
261 #define PHASE_DORMANT 3
262 #define PHASE_ESTABLISH 4
263 #define PHASE_AUTHENTICATE 5
264 #define PHASE_CALLBACK 6
265 #define PHASE_NETWORK 7
266 #define PHASE_RUNNING 8
267 #define PHASE_TERMINATE 9
268 #define PHASE_DISCONNECT 10
269 #define PHASE_HOLDOFF 11
272 * The following struct gives the addresses of procedures to call
273 * for a particular protocol.
276 u_short protocol; /* PPP protocol number */
277 /* Initialization procedure */
278 void (*init) __P((int unit));
279 /* Process a received packet */
280 void (*input) __P((int unit, u_char *pkt, int len));
281 /* Process a received protocol-reject */
282 void (*protrej) __P((int unit));
283 /* Lower layer has come up */
284 void (*lowerup) __P((int unit));
285 /* Lower layer has gone down */
286 void (*lowerdown) __P((int unit));
287 /* Open the protocol */
288 void (*open) __P((int unit));
289 /* Close the protocol */
290 void (*close) __P((int unit, char *reason));
291 /* Print a packet in readable form */
292 int (*printpkt) __P((u_char *pkt, int len,
293 void (*printer) __P((void *, char *, ...)),
295 /* Process a received data packet */
296 void (*datainput) __P((int unit, u_char *pkt, int len));
297 bool enabled_flag; /* 0 iff protocol is disabled */
298 char *name; /* Text name of protocol */
299 char *data_name; /* Text name of corresponding data protocol */
300 option_t *options; /* List of command-line options */
301 /* Check requested options, assign defaults */
302 void (*check_options) __P((void));
303 /* Configure interface for demand-dial */
304 int (*demand_conf) __P((int unit));
305 /* Say whether to bring up link for this pkt */
306 int (*active_pkt) __P((u_char *pkt, int len));
309 /* Table of pointers to supported protocols */
310 extern struct protent *protocols[];
316 /* Procedures exported from main.c. */
317 void set_ifunit __P((int)); /* set stuff that depends on ifunit */
318 void detach __P((void)); /* Detach from controlling tty */
319 void die __P((int)); /* Cleanup and exit */
320 void quit __P((void)); /* like die(1) */
321 void novm __P((char *)); /* Say we ran out of memory, and die */
322 void timeout __P((void (*func)(void *), void *arg, int t));
323 /* Call func(arg) after t seconds */
324 void untimeout __P((void (*func)(void *), void *arg));
325 /* Cancel call to func(arg) */
326 pid_t run_program __P((char *prog, char **args, int must_exist,
327 void (*done)(void *), void *arg));
328 /* Run program prog with args in child */
329 void reopen_log __P((void)); /* (re)open the connection to syslog */
330 void update_link_stats __P((int)); /* Get stats at link termination */
331 void script_setenv __P((char *, char *, int)); /* set script env var */
332 void script_unsetenv __P((char *)); /* unset script env var */
333 void new_phase __P((int)); /* signal start of new phase */
335 /* Procedures exported from utils.c. */
336 void log_packet __P((u_char *, int, char *, int));
337 /* Format a packet and log it with syslog */
338 void print_string __P((char *, int, void (*) (void *, char *, ...),
339 void *)); /* Format a string for output */
340 int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
341 int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
342 size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
343 size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
344 void dbglog __P((char *, ...)); /* log a debug message */
345 void info __P((char *, ...)); /* log an informational message */
346 void notice __P((char *, ...)); /* log a notice-level message */
347 void warn __P((char *, ...)); /* log a warning message */
348 void error __P((char *, ...)); /* log an error message */
349 void fatal __P((char *, ...)); /* log an error message and die(1) */
351 /* Procedures exported from auth.c */
352 void link_required __P((int)); /* we are starting to use the link */
353 void link_terminated __P((int)); /* we are finished with the link */
354 void link_down __P((int)); /* the LCP layer has left the Opened state */
355 void link_established __P((int)); /* the link is up; authenticate now */
356 void start_networks __P((void)); /* start all the network control protos */
357 void np_up __P((int, int)); /* a network protocol has come up */
358 void np_down __P((int, int)); /* a network protocol has gone down */
359 void np_finished __P((int, int)); /* a network protocol no longer needs link */
360 void auth_peer_fail __P((int, int));
361 /* peer failed to authenticate itself */
362 void auth_peer_success __P((int, int, char *, int));
363 /* peer successfully authenticated itself */
364 void auth_withpeer_fail __P((int, int));
365 /* we failed to authenticate ourselves */
366 void auth_withpeer_success __P((int, int));
367 /* we successfully authenticated ourselves */
368 void auth_check_options __P((void));
369 /* check authentication options supplied */
370 void auth_reset __P((int)); /* check what secrets we have */
371 int check_passwd __P((int, char *, int, char *, int, char **));
372 /* Check peer-supplied username/password */
373 int get_secret __P((int, char *, char *, char *, int *, int));
374 /* get "secret" for chap */
375 int auth_ip_addr __P((int, u_int32_t));
376 /* check if IP address is authorized */
377 int bad_ip_adrs __P((u_int32_t));
378 /* check if IP address is unreasonable */
380 /* Procedures exported from demand.c */
381 void demand_conf __P((void)); /* config interface(s) for demand-dial */
382 void demand_block __P((void)); /* set all NPs to queue up packets */
383 void demand_unblock __P((void)); /* set all NPs to pass packets */
384 void demand_discard __P((void)); /* set all NPs to discard packets */
385 void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
386 int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
387 int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
389 /* Procedures exported from multilink.c */
390 void mp_check_options __P((void)); /* Check multilink-related options */
391 int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
392 char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
393 int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
395 /* Procedures exported from sys-*.c */
396 void sys_init __P((void)); /* Do system-dependent initialization */
397 void sys_cleanup __P((void)); /* Restore system state before exiting */
398 int sys_check_options __P((void)); /* Check options specified */
399 void sys_close __P((void)); /* Clean up in a child before execing */
400 int ppp_available __P((void)); /* Test whether ppp kernel support exists */
401 int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
402 int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
403 int establish_ppp __P((int)); /* Turn serial port into a ppp interface */
404 void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
405 void disestablish_ppp __P((int)); /* Restore port to normal operation */
406 void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
407 int bundle_attach __P((int)); /* Attach link to existing bundle */
408 void clean_check __P((void)); /* Check if line was 8-bit clean */
409 void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
410 void restore_tty __P((int)); /* Restore port's original parameters */
411 void setdtr __P((int, int)); /* Raise or lower port's DTR line */
412 void output __P((int, u_char *, int)); /* Output a PPP packet */
413 void wait_input __P((struct timeval *));
414 /* Wait for input, with timeout */
415 void add_fd __P((int)); /* Add fd to set to wait for */
416 void remove_fd __P((int)); /* Remove fd from set to wait for */
417 int read_packet __P((u_char *)); /* Read PPP packet */
418 int get_loop_output __P((void)); /* Read pkts from loopback */
419 void ppp_send_config __P((int, int, u_int32_t, int, int));
420 /* Configure i/f transmit parameters */
421 void ppp_set_xaccm __P((int, ext_accm));
422 /* Set extended transmit ACCM */
423 void ppp_recv_config __P((int, int, u_int32_t, int, int));
424 /* Configure i/f receive parameters */
425 int ccp_test __P((int, u_char *, int, int));
426 /* Test support for compression scheme */
427 void ccp_flags_set __P((int, int, int));
428 /* Set kernel CCP state */
429 int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
430 int get_idle_time __P((int, struct ppp_idle *));
431 /* Find out how long link has been idle */
432 int get_ppp_stats __P((int, struct pppd_stats *));
433 /* Return link statistics */
434 int sifvjcomp __P((int, int, int, int));
435 /* Configure VJ TCP header compression */
436 int sifup __P((int)); /* Configure i/f up for one protocol */
437 int sifnpmode __P((int u, int proto, enum NPmode mode));
438 /* Set mode for handling packets for proto */
439 int sifdown __P((int)); /* Configure i/f down for one protocol */
440 int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
441 /* Configure IPv4 addresses for i/f */
442 int cifaddr __P((int, u_int32_t, u_int32_t));
443 /* Reset i/f IP addresses */
445 int sif6addr __P((int, eui64_t, eui64_t));
446 /* Configure IPv6 addresses for i/f */
447 int cif6addr __P((int, eui64_t, eui64_t));
448 /* Remove an IPv6 address from i/f */
450 int sifdefaultroute __P((int, u_int32_t, u_int32_t));
451 /* Create default route through i/f */
452 int cifdefaultroute __P((int, u_int32_t, u_int32_t));
453 /* Delete default route through i/f */
454 int sifproxyarp __P((int, u_int32_t));
455 /* Add proxy ARP entry for peer */
456 int cifproxyarp __P((int, u_int32_t));
457 /* Delete proxy ARP entry for peer */
458 u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
459 int lock __P((char *)); /* Create lock file for device */
460 int relock __P((int)); /* Rewrite lock file with new pid */
461 void unlock __P((void)); /* Delete previously-created lock file */
462 void logwtmp __P((const char *, const char *, const char *));
463 /* Write entry to wtmp file */
464 int get_host_seed __P((void)); /* Get host-dependent random number seed */
465 int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
467 int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
468 /* Set filter programs in kernel */
471 int sipxfaddr __P((int, unsigned long, unsigned char *));
472 int cipxfaddr __P((int));
474 int get_if_hwaddr __P((u_char *addr, char *name));
475 char *get_first_ethernet __P((void));
477 /* Procedures exported from options.c */
478 int parse_args __P((int argc, char **argv));
479 /* Parse options from arguments given */
480 int options_from_file __P((char *filename, int must_exist, int check_prot,
482 /* Parse options from an options file */
483 int options_from_user __P((void)); /* Parse options from user's .ppprc */
484 int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
485 int options_from_list __P((struct wordlist *, int privileged));
486 /* Parse options from a wordlist */
487 int getword __P((FILE *f, char *word, int *newlinep, char *filename));
488 /* Read a word from a file */
489 void option_error __P((char *fmt, ...));
490 /* Print an error message about an option */
491 int int_option __P((char *, int *));
492 /* Simplified number_option for decimal ints */
493 void add_options __P((option_t *)); /* Add extra options */
494 int parse_dotted_ip __P((char *, u_int32_t *));
497 * This structure is used to store information about certain
498 * options, such as where the option value came from (/etc/ppp/options,
499 * command line, etc.) and whether it came from a privileged source.
503 int priv; /* was value set by sysadmin? */
504 char *source; /* where option came from */
507 extern struct option_info devnam_info;
508 extern struct option_info initializer_info;
509 extern struct option_info connect_script_info;
510 extern struct option_info disconnect_script_info;
511 extern struct option_info welcomer_info;
512 extern struct option_info ptycommand_info;
515 * Hooks to enable plugins to change various things.
517 extern int (*new_phase_hook) __P((int));
518 extern int (*idle_time_hook) __P((struct ppp_idle *));
519 extern int (*holdoff_hook) __P((void));
520 extern int (*pap_check_hook) __P((void));
521 extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
522 struct wordlist **paddrs,
523 struct wordlist **popts));
524 extern void (*pap_logout_hook) __P((void));
525 extern int (*pap_passwd_hook) __P((char *user, char *passwd));
526 extern void (*ip_up_hook) __P((void));
527 extern void (*ip_down_hook) __P((void));
530 * Inline versions of get/put char/short/long.
531 * Pointer is advanced; we assume that both arguments
532 * are lvalues and will already be in registers.
533 * cp MUST be u_char *.
535 #define GETCHAR(c, cp) { \
538 #define PUTCHAR(c, cp) { \
539 *(cp)++ = (u_char) (c); \
543 #define GETSHORT(s, cp) { \
544 (s) = *(cp)++ << 8; \
547 #define PUTSHORT(s, cp) { \
548 *(cp)++ = (u_char) ((s) >> 8); \
549 *(cp)++ = (u_char) (s); \
552 #define GETLONG(l, cp) { \
553 (l) = *(cp)++ << 8; \
554 (l) |= *(cp)++; (l) <<= 8; \
555 (l) |= *(cp)++; (l) <<= 8; \
558 #define PUTLONG(l, cp) { \
559 *(cp)++ = (u_char) ((l) >> 24); \
560 *(cp)++ = (u_char) ((l) >> 16); \
561 *(cp)++ = (u_char) ((l) >> 8); \
562 *(cp)++ = (u_char) (l); \
565 #define INCPTR(n, cp) ((cp) += (n))
566 #define DECPTR(n, cp) ((cp) -= (n))
569 * System dependent definitions for user-level 4.3BSD UNIX implementation.
572 #define TIMEOUT(r, f, t) timeout((r), (f), (t))
573 #define UNTIMEOUT(r, f) untimeout((r), (f))
575 #define BCOPY(s, d, l) memcpy(d, s, l)
576 #define BZERO(s, n) memset(s, 0, n)
578 #define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
581 * MAKEHEADER - Add Header fields to a packet.
583 #define MAKEHEADER(p, t) { \
584 PUTCHAR(PPP_ALLSTATIONS, p); \
585 PUTCHAR(PPP_UI, p); \
589 * Exit status values.
592 #define EXIT_FATAL_ERROR 1
593 #define EXIT_OPTION_ERROR 2
594 #define EXIT_NOT_ROOT 3
595 #define EXIT_NO_KERNEL_SUPPORT 4
596 #define EXIT_USER_REQUEST 5
597 #define EXIT_LOCK_FAILED 6
598 #define EXIT_OPEN_FAILED 7
599 #define EXIT_CONNECT_FAILED 8
600 #define EXIT_PTYCMD_FAILED 9
601 #define EXIT_NEGOTIATION_FAILED 10
602 #define EXIT_PEER_AUTH_FAILED 11
603 #define EXIT_IDLE_TIMEOUT 12
604 #define EXIT_CONNECT_TIME 13
605 #define EXIT_CALLBACK 14
606 #define EXIT_PEER_DEAD 15
607 #define EXIT_HANGUP 16
608 #define EXIT_LOOPBACK 17
609 #define EXIT_INIT_FAILED 18
610 #define EXIT_AUTH_TOPEER_FAILED 19
613 * Debug macros. Slightly useful for finding bugs in pppd, not particularly
614 * useful for finding out why your connection isn't being established.
621 #define DEBUGIPV6CP 1
626 #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
627 #if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
628 || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
629 || defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
630 #define LOG_PPP LOG_LOCAL2
632 #define LOG_PPP LOG_DAEMON
637 #define MAINDEBUG(x) if (debug) dbglog x
643 #define SYSDEBUG(x) if (debug) dbglog x
649 #define FSMDEBUG(x) if (debug) dbglog x
655 #define LCPDEBUG(x) if (debug) dbglog x
661 #define IPCPDEBUG(x) if (debug) dbglog x
667 #define IPV6CPDEBUG(x) if (debug) dbglog x
669 #define IPV6CPDEBUG(x)
673 #define UPAPDEBUG(x) if (debug) dbglog x
679 #define CHAPDEBUG(x) if (debug) dbglog x
685 #define IPXCPDEBUG(x) if (debug) dbglog x
687 #define IPXCPDEBUG(x)
691 #if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
695 #endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
699 #define MIN(a, b) ((a) < (b)? (a): (b))
702 #define MAX(a, b) ((a) > (b)? (a): (b))
705 #endif /* __PPP_H__ */