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192.168.1.100 / T106_DC / 9ed821d7e5d875a3395740a9cc2545671fa429b7 / . / ap / app / ppp-2.4.1 / pppoecd / pppd.h
blob: 957f229e0e7043a8b72dd26d796106f15bbf4e9a [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -0700[diff] [blame^]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: pppd.h,v 1.1 2008-08-04 06:11:52 winfred Exp $
20 */
21
22/*
23 * TODO:
24 */
25
26#ifndef __PPPD_H__
27#define __PPPD_H__
28
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>
35#include "patchlevel.h"
36
37#if defined(__STDC__)
38#include <stdarg.h>
39#define __V(x) x
40#else
41#include <varargs.h>
42#define __V(x) (va_alist) va_dcl
43#define const
44#define volatile
45#endif
46
47#ifdef INET6
48#include "eui64.h"
49#endif
50
51/*
52 * Limits.
53 */
54
55#define NUM_PPP 1 /* One PPP interface supported (per process) */
56#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
57#define MAXARGS 1 /* max # args to a command */
58#define MAXNAMELEN 256 /* max length of hostname or name for auth */
59#define MAXSECRETLEN 256 /* max length of password or secret */
60
61/*
62 * Option descriptor structure.
63 */
64
65typedef unsigned char bool;
66
67enum opt_type {
68 o_special_noarg = 0,
69 o_special = 1,
70 o_bool,
71 o_int,
72 o_uint32,
73 o_string,
74 o_wild,
75};
76
77typedef struct {
78 char *name; /* name of the option */
79 enum opt_type type;
80 void *addr;
81 char *description;
82 int flags;
83 void *addr2;
84 int upper_limit;
85 int lower_limit;
86 const char *source;
87 short int priority;
88 short int winner;
89} option_t;
90
91/* Values for flags */
92#define OPT_VALUE 0xff /* mask for presupplied value */
93#define OPT_HEX 0x100 /* int option is in hex */
94#define OPT_NOARG 0x200 /* option doesn't take argument */
95#define OPT_OR 0x400 /* OR in argument to value */
96#define OPT_INC 0x800 /* increment value */
97#define OPT_PRIV 0x1000 /* privileged option */
98#define OPT_STATIC 0x2000 /* string option goes into static array */
99#define OPT_LLIMIT 0x4000 /* check value against lower limit */
100#define OPT_ULIMIT 0x8000 /* check value against upper limit */
101#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
102#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
103#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
104#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
105#define OPT_NOINCR 0x20000 /* value mustn't be increased */
106#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
107#define OPT_PRIO 0x80000 /* process option priorities for this option */
108#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
109#define OPT_ALIAS 0x200000 /* option is alias for previous option */
110#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
111#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
112#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
113#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
114#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
115#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
116#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
117#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
118#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
119#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
120
121#define OPT_VAL(x) ((x) & OPT_VALUE)
122
123/* Values for priority */
124#define OPRIO_DEFAULT 0 /* a default value */
125#define OPRIO_CFGFILE 1 /* value from a configuration file */
126#define OPRIO_CMDLINE 2 /* value from the command line */
127#define OPRIO_SECFILE 3 /* value from options in a secrets file */
128#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
129
130#ifndef GIDSET_TYPE
131#define GIDSET_TYPE gid_t
132#endif
133
134/* Structure representing a list of permitted IP addresses. */
135struct permitted_ip {
136 int permit; /* 1 = permit, 0 = forbid */
137 u_int32_t base; /* match if (addr & mask) == base */
138 u_int32_t mask; /* base and mask are in network byte order */
139};
140
141/*
142 * Unfortunately, the linux kernel driver uses a different structure
143 * for statistics from the rest of the ports.
144 * This structure serves as a common representation for the bits
145 * pppd needs.
146 */
147struct pppd_stats {
148 unsigned int bytes_in;
149 unsigned int bytes_out;
150};
151
152/* Used for storing a sequence of words. Usually malloced. */
153struct wordlist {
154 struct wordlist *next;
155 char *word;
156};
157
158/* An endpoint discriminator, used with multilink. */
159#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
160struct epdisc {
161 unsigned char class;
162 unsigned char length;
163 unsigned char value[MAX_ENDP_LEN];
164};
165
166/* values for epdisc.class */
167#define EPD_NULL 0 /* null discriminator, no data */
168#define EPD_LOCAL 1
169#define EPD_IP 2
170#define EPD_MAC 3
171#define EPD_MAGIC 4
172#define EPD_PHONENUM 5
173
174typedef void (*notify_func) __P((void *, int));
175
176struct notifier {
177 struct notifier *next;
178 notify_func func;
179 void *arg;
180};
181
182/*
183 * Global variables.
184 */
185
186extern int hungup; /* Physical layer has disconnected */
187extern int ifunit; /* Interface unit number */
188extern char ifname[]; /* Interface name */
189extern char hostname[]; /* Our hostname */
190extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
191extern int phase; /* Current state of link - see values below */
192extern int baud_rate; /* Current link speed in bits/sec */
193extern char *progname; /* Name of this program */
194extern int redirect_stderr;/* Connector's stderr should go to file */
195extern char peer_authname[];/* Authenticated name of peer */
196extern int privileged; /* We were run by real-uid root */
197extern int need_holdoff; /* Need holdoff period after link terminates */
198extern char **script_env; /* Environment variables for scripts */
199extern int detached; /* Have detached from controlling tty */
200extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
201extern int ngroups; /* How many groups valid in groups */
202extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
203extern int link_stats_valid; /* set if link_stats is valid */
204extern int link_connect_time; /* time the link was up for */
205extern int using_pty; /* using pty as device (notty or pty opt.) */
206extern int log_to_fd; /* logging to this fd as well as syslog */
207extern bool log_default; /* log_to_fd is default (stdout) */
208extern char *no_ppp_msg; /* message to print if ppp not in kernel */
209extern volatile int status; /* exit status for pppd */
210extern bool devnam_fixed; /* can no longer change devnam */
211extern int unsuccess; /* # unsuccessful connection attempts */
212extern int do_callback; /* set if we want to do callback next */
213extern int doing_callback; /* set if this is a callback */
214extern char ppp_devnam[MAXPATHLEN];
215extern struct notifier *pidchange; /* for notifications of pid changing */
216extern struct notifier *phasechange; /* for notifications of phase changes */
217extern struct notifier *exitnotify; /* for notification that we're exiting */
218extern struct notifier *sigreceived; /* notification of received signal */
219extern int listen_time; /* time to listen first (ms) */
220
221/* Values for do_callback and doing_callback */
222#define CALLBACK_DIALIN 1 /* we are expecting the call back */
223#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
224
225/*
226 * Variables set by command-line options.
227 */
228
229extern int debug; /* Debug flag */
230extern int kdebugflag; /* Tell kernel to print debug messages */
231extern int default_device; /* Using /dev/tty or equivalent */
232extern char devnam[MAXPATHLEN]; /* Device name */
233extern int crtscts; /* Use hardware flow control */
234extern bool modem; /* Use modem control lines */
235extern int inspeed; /* Input/Output speed requested */
236extern u_int32_t netmask; /* IP netmask to set on interface */
237extern bool lockflag; /* Create lock file to lock the serial dev */
238extern bool nodetach; /* Don't detach from controlling tty */
239extern bool updetach; /* Detach from controlling tty when link up */
240extern char *initializer; /* Script to initialize physical link */
241extern char *connect_script; /* Script to establish physical link */
242extern char *disconnect_script; /* Script to disestablish physical link */
243extern char *welcomer; /* Script to welcome client after connection */
244extern char *ptycommand; /* Command to run on other side of pty */
245extern int maxconnect; /* Maximum connect time (seconds) */
246extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
247extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
248extern bool auth_required; /* Peer is required to authenticate */
249extern bool persist; /* Reopen link after it goes down */
250extern bool uselogin; /* Use /etc/passwd for checking PAP */
251extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
252extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
253extern bool explicit_remote;/* remote_name specified with remotename opt */
254extern bool demand; /* Do dial-on-demand */
255extern char *ipparam; /* Extra parameter for ip up/down scripts */
256extern bool cryptpap; /* Others' PAP passwords are encrypted */
257extern int idle_time_limit;/* Shut down link if idle for this long */
258extern int holdoff; /* Dead time before restarting */
259extern bool holdoff_specified; /* true if user gave a holdoff value */
260extern bool notty; /* Stdin/out is not a tty */
261extern char *pty_socket; /* Socket to connect to pty */
262extern char *record_file; /* File to record chars sent/received */
263extern bool sync_serial; /* Device is synchronous serial device */
264extern int maxfail; /* Max # of unsuccessful connection attempts */
265extern char linkname[MAXPATHLEN]; /* logical name for link */
266extern bool tune_kernel; /* May alter kernel settings as necessary */
267extern int connect_delay; /* Time to delay after connect script */
268extern int max_data_rate; /* max bytes/sec through charshunt */
269extern int req_unit; /* interface unit number to use */
270static const bool multilink = 0; /* enable multilink operation */
271extern bool noendpoint; /* don't send or accept endpt. discrim. */
272extern char *bundle_name; /* bundle name for multilink */
273extern bool dump_options; /* print out option values */
274extern bool dryrun; /* check everything, print options, exit */
275static const int new_style_driver = 1;
276
277#ifdef PPP_FILTER
278extern struct bpf_program pass_filter; /* Filter for pkts to pass */
279extern struct bpf_program active_filter; /* Filter for link-active pkts */
280#endif
281
282#ifdef MSLANMAN
283extern bool ms_lanman; /* Use LanMan password instead of NT */
284 /* Has meaning only with MS-CHAP challenges */
285#endif
286
287extern char *current_option; /* the name of the option being parsed */
288extern int privileged_option; /* set iff the current option came from root */
289extern char *option_source; /* string saying where the option came from */
290extern int option_priority; /* priority of current options */
291
292#ifdef UNNUMBERIP_SUPPORT
293extern char is_unnumber_ip; /* This parameter use for unnumber IP. by tallest */
294#endif
295
296#define MAXFUNCLEN 256 //by tallest 0407
297extern char ppp_disconnect_func[MAXFUNCLEN]; //by tallest 0407
298
299/*
300 * Values for phase.
301 */
302#define PHASE_DEAD 0
303#define PHASE_INITIALIZE 1
304#define PHASE_SERIALCONN 2
305#define PHASE_DORMANT 3
306#define PHASE_ESTABLISH 4
307#define PHASE_AUTHENTICATE 5
308#define PHASE_CALLBACK 6
309#define PHASE_NETWORK 7
310#define PHASE_RUNNING 8
311#define PHASE_TERMINATE 9
312#define PHASE_DISCONNECT 10
313#define PHASE_HOLDOFF 11
314
315/*
316 * The following struct gives the addresses of procedures to call
317 * for a particular protocol.
318 */
319struct protent {
320 u_short protocol; /* PPP protocol number */
321 /* Initialization procedure */
322 void (*init) __P((int unit));
323 /* Process a received packet */
324 void (*input) __P((int unit, u_char *pkt, int len));
325 /* Process a received protocol-reject */
326 void (*protrej) __P((int unit));
327 /* Lower layer has come up */
328 void (*lowerup) __P((int unit));
329 /* Lower layer has gone down */
330 void (*lowerdown) __P((int unit));
331 /* Open the protocol */
332 void (*open) __P((int unit));
333 /* Close the protocol */
334 void (*close) __P((int unit, char *reason));
335 /* Print a packet in readable form */
336 int (*printpkt) __P((u_char *pkt, int len,
337 void (*printer) __P((void *, char *, ...)),
338 void *arg));
339 /* Process a received data packet */
340 void (*datainput) __P((int unit, u_char *pkt, int len));
341 bool enabled_flag; /* 0 iff protocol is disabled */
342 char *name; /* Text name of protocol */
343 char *data_name; /* Text name of corresponding data protocol */
344 option_t *options; /* List of command-line options */
345 /* Check requested options, assign defaults */
346 void (*check_options) __P((void));
347 /* Configure interface for demand-dial */
348 int (*demand_conf) __P((int unit));
349 /* Say whether to bring up link for this pkt */
350 int (*active_pkt) __P((u_char *pkt, int len));
351};
352
353/* Table of pointers to supported protocols */
354extern struct protent *protocols[];
355
356/*
357 * This struct contains pointers to a set of procedures for
358 * doing operations on a "channel". A channel provides a way
359 * to send and receive PPP packets - the canonical example is
360 * a serial port device in PPP line discipline (or equivalently
361 * with PPP STREAMS modules pushed onto it).
362 */
363struct channel {
364 /* set of options for this channel */
365 option_t *options;
366 /* find and process a per-channel options file */
367 void (*process_extra_options) __P((void));
368 /* check all the options that have been given */
369 void (*check_options) __P((void));
370 /* get the channel ready to do PPP, return a file descriptor */
371 int (*connect) __P((void));
372 /* we're finished with the channel */
373 void (*disconnect) __P((void));
374 /* put the channel into PPP `mode' */
375 int (*establish_ppp) __P((int));
376 /* take the channel out of PPP `mode', restore loopback if demand */
377 void (*disestablish_ppp) __P((int));
378 /* set the transmit-side PPP parameters of the channel */
379 void (*send_config) __P((int, u_int32_t, int, int));
380 /* set the receive-side PPP parameters of the channel */
381 void (*recv_config) __P((int, u_int32_t, int, int));
382 /* cleanup on error or normal exit */
383 void (*cleanup) __P((void));
384 /* close the device, called in children after fork */
385 void (*close) __P((void));
386};
387
388extern struct channel *the_channel;
389
390#define ppp_send_config(unit, mtu, accm, pc, acc) \
391do { \
392 if (the_channel->send_config) \
393 (*the_channel->send_config)((mtu), (accm), (pc), (acc)); \
394} while (0)
395
396#define ppp_recv_config(unit, mtu, accm, pc, acc) \
397do { \
398 if (the_channel->send_config) \
399 (*the_channel->recv_config)((mtu), (accm), (pc), (acc)); \
400} while (0)
401
402/*
403 * Prototypes.
404 */
405
406/* Procedures exported from main.c. */
407void set_ifunit __P((int)); /* set stuff that depends on ifunit */
408void detach __P((void)); /* Detach from controlling tty */
409void die __P((int)); /* Cleanup and exit */
410void quit __P((void)); /* like die(1) */
411#define novm fatal
412void timeout __P((void (*func)(void *), void *arg, int s, int us));
413 /* Call func(arg) after s.us seconds */
414void untimeout __P((void (*func)(void *), void *arg));
415 /* Cancel call to func(arg) */
416void record_child __P((int, char *, void (*) (void *), void *));
417#define device_script(a,b,c,d) (-1)
418pid_t run_program __P((char *prog, char **args, int must_exist,
419 void (*done)(void *), void *arg));
420 /* Run program prog with args in child */
421void reopen_log __P((void)); /* (re)open the connection to syslog */
422void update_link_stats __P((int)); /* Get stats at link termination */
423void script_setenv __P((char *, char *, int)); /* set script env var */
424void script_unsetenv __P((char *)); /* unset script env var */
425void new_phase __P((int)); /* signal start of new phase */
426#define add_notifier(a,b)
427#define remove_notifier(a,b)
428#define notify(a,b)
429
430/* Procedures exported from tty.c. */
431#define tty_init()
432
433/* Procedures exported from utils.c. */
434int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
435int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
436size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
437size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
438#ifdef DEBUG
439void log_packet __P((u_char *, int, char *, int));
440 /* Format a packet and log it with syslog */
441void print_string __P((char *, int, void (*) (void *, char *, ...),
442 void *)); /* Format a string for output */
443void dbglog __P((char *, ...)); /* log a debug message */
444void info __P((char *, ...)); /* log an informational message */
445void notice __P((char *, ...)); /* log a notice-level message */
446void warn __P((char *, ...)); /* log a warning message */
447void error __P((char *, ...)); /* log an error message */
448void fatal __P((char *, ...)); /* log an error message and die(1) */
449void init_pr_log __P((char *, int)); /* initialize for using pr_log */
450void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
451void end_pr_log __P((void)); /* finish up after using pr_log */
452#else
453#define log_packet(a,b,c,d)
454#define print_string(a,b,c,d)
455#define dbglog(a,b...)
456#define info(a,b...)
457#define notice(a,b...)
458#define warn(a,b...)
459#define error(a,b...)
460#define fatal(a,b...)
461#define init_pr_log(a,b)
462#define pr_log (NULL)
463#define end_pr_log()
464#endif
465
466/* Procedures exported from auth.c */
467#define link_required(a)
468void link_terminated __P((int)); /* we are finished with the link */
469void link_down __P((int)); /* the LCP layer has left the Opened state */
470void link_established __P((int)); /* the link is up; authenticate now */
471void start_networks __P((void)); /* start all the network control protos */
472void np_up __P((int, int)); /* a network protocol has come up */
473void np_down __P((int, int)); /* a network protocol has gone down */
474void np_finished __P((int, int)); /* a network protocol no longer needs link */
475void auth_peer_fail __P((int, int));
476 /* peer failed to authenticate itself */
477void auth_peer_success __P((int, int, char *, int));
478 /* peer successfully authenticated itself */
479void auth_withpeer_fail __P((int, int));
480 /* we failed to authenticate ourselves */
481void auth_withpeer_success __P((int, int));
482 /* we successfully authenticated ourselves */
483#define auth_check_options()
484void auth_reset __P((int)); /* check what secrets we have */
485#define check_passwd(a,b,c,d,e,f) (UPAP_AUTHNAK)
486int get_secret __P((int, char *, char *, char *, int *, int));
487 /* get "secret" for chap */
488#define auth_ip_addr(a,b) (1)
489int bad_ip_adrs __P((u_int32_t));
490 /* check if IP address is unreasonable */
491
492/* Procedures exported from demand.c */
493void demand_conf __P((void)); /* config interface(s) for demand-dial */
494void demand_block __P((void)); /* set all NPs to queue up packets */
495void demand_unblock __P((void)); /* set all NPs to pass packets */
496void demand_discard __P((void)); /* set all NPs to discard packets */
497void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
498int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
499int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
500
501/* Procedures exported from multilink.c */
502#define mp_check_options()
503#define mp_join_bundle() (0)
504#define epdisc_to_str(a) (NULL)
505#define str_to_epdisc(a,b) (0)
506
507/* Procedures exported from sys-*.c */
508void sys_init __P((void)); /* Do system-dependent initialization */
509void sys_cleanup __P((void)); /* Restore system state before exiting */
510#define sys_check_options() (1)
511void sys_close __P((void)); /* Clean up in a child before execing */
512int ppp_available __P((void)); /* Test whether ppp kernel support exists */
513#define get_pty(a,b,c,d) (0)
514int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
515#define tty_establish_ppp(a) (-1)
516#define tty_disestablish_ppp(a)
517void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
518int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
519#define make_new_bundle(a,b,c,d)
520#define bundle_attach(a) (0)
521#define cfg_bundle(a,b,c,d)
522void clean_check __P((void)); /* Check if line was 8-bit clean */
523#define set_up_tty(a,b)
524#define restore_tty(a)
525#define setdtr(a,b)
526void output __P((int, u_char *, int)); /* Output a PPP packet */
527void wait_input __P((struct timeval *));
528 /* Wait for input, with timeout */
529void add_fd __P((int)); /* Add fd to set to wait for */
530void remove_fd __P((int)); /* Remove fd from set to wait for */
531int read_packet __P((u_char *)); /* Read PPP packet */
532int get_loop_output __P((void)); /* Read pkts from loopback */
533#define tty_send_config(a,b,c,d)
534#define tty_set_xaccm(a)
535#define tty_recv_config(a,b,c,d)
536int ccp_test __P((int, u_char *, int, int));
537 /* Test support for compression scheme */
538void ccp_flags_set __P((int, int, int));
539 /* Set kernel CCP state */
540int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
541int get_idle_time __P((int, struct ppp_idle *));
542 /* Find out how long link has been idle */
543int get_ppp_stats __P((int, struct pppd_stats *));
544 /* Return link statistics */
545void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
546int sifvjcomp __P((int, int, int, int));
547 /* Configure VJ TCP header compression */
548int sifup __P((int)); /* Configure i/f up for one protocol */
549int sifnpmode __P((int u, int proto, enum NPmode mode));
550 /* Set mode for handling packets for proto */
551int sifdown __P((int)); /* Configure i/f down for one protocol */
552int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
553 /* Configure IPv4 addresses for i/f */
554int cifaddr __P((int, u_int32_t, u_int32_t));
555 /* Reset i/f IP addresses */
556// remove by tallest #define sifdefaultroute(a,b,c) (0)
557#define cifdefaultroute(a,b,c) (0)
558#define sifproxyarp(a,b) (0)
559#define cifproxyarp(a,b) (0)
560u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
561#define lock(a) (0)
562#define relock(a) (0)
563#define unlock()
564#define logwtmp(a,b,c)
565int get_host_seed __P((void)); /* Get host-dependent random number seed */
566#define have_route_to(a) (-1)
567#define get_if_hwaddr(a,b) (0)
568#define get_first_ethernet() ("eth0")
569
570/* Procedures exported from options.c */
571int parse_args __P((int argc, char **argv));
572 /* Parse options from arguments given */
573#define options_from_file(a,b,c,d) (1)
574#define options_from_user() (1)
575#define options_for_tty() (1)
576#define options_from_list(a,b) (1)
577#define getword(a,b,c,d) (0)
578#define option_error error
579#define int_option(a,b) (1)
580#define add_options(a)
581#define check_options()
582#define remove_option(a) (0)
583#define override_value(a,b,c) (1)
584#define print_options(a,b)
585int parse_dotted_ip __P((char *, u_int32_t *));
586
587/*
588 * Hooks to enable plugins to change various things.
589 */
590extern int (*new_phase_hook) __P((int));
591extern int (*idle_time_hook) __P((struct ppp_idle *));
592extern int (*holdoff_hook) __P((void));
593extern int (*pap_check_hook) __P((void));
594extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
595 struct wordlist **paddrs,
596 struct wordlist **popts));
597extern void (*pap_logout_hook) __P((void));
598extern int (*pap_passwd_hook) __P((char *user, char *passwd));
599extern void (*ip_up_hook) __P((void));
600extern void (*ip_down_hook) __P((void));
601extern void (*ip_choose_hook) __P((u_int32_t *));
602
603/*
604 * Inline versions of get/put char/short/long.
605 * Pointer is advanced; we assume that both arguments
606 * are lvalues and will already be in registers.
607 * cp MUST be u_char *.
608 */
609#define GETCHAR(c, cp) { \
610 (c) = *(cp)++; \
611}
612#define PUTCHAR(c, cp) { \
613 *(cp)++ = (u_char) (c); \
614}
615
616
617#define GETSHORT(s, cp) { \
618 (s) = *(cp)++ << 8; \
619 (s) |= *(cp)++; \
620}
621#define PUTSHORT(s, cp) { \
622 *(cp)++ = (u_char) ((s) >> 8); \
623 *(cp)++ = (u_char) (s); \
624}
625
626#define GETLONG(l, cp) { \
627 (l) = *(cp)++ << 8; \
628 (l) |= *(cp)++; (l) <<= 8; \
629 (l) |= *(cp)++; (l) <<= 8; \
630 (l) |= *(cp)++; \
631}
632#define PUTLONG(l, cp) { \
633 *(cp)++ = (u_char) ((l) >> 24); \
634 *(cp)++ = (u_char) ((l) >> 16); \
635 *(cp)++ = (u_char) ((l) >> 8); \
636 *(cp)++ = (u_char) (l); \
637}
638
639#define INCPTR(n, cp) ((cp) += (n))
640#define DECPTR(n, cp) ((cp) -= (n))
641
642/*
643 * System dependent definitions for user-level 4.3BSD UNIX implementation.
644 */
645
646#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
647#define UNTIMEOUT(r, f) untimeout((r), (f))
648
649#define BCOPY(s, d, l) memcpy(d, s, l)
650#define BZERO(s, n) memset(s, 0, n)
651
652#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
653
654/*
655 * MAKEHEADER - Add Header fields to a packet.
656 */
657#define MAKEHEADER(p, t) { \
658 PUTCHAR(PPP_ALLSTATIONS, p); \
659 PUTCHAR(PPP_UI, p); \
660 PUTSHORT(t, p); }
661
662/*
663 * Exit status values.
664 */
665#define EXIT_OK 0
666#define EXIT_FATAL_ERROR 1
667#define EXIT_OPTION_ERROR 2
668#define EXIT_NOT_ROOT 3
669#define EXIT_NO_KERNEL_SUPPORT 4
670#define EXIT_USER_REQUEST 5
671#define EXIT_LOCK_FAILED 6
672#define EXIT_OPEN_FAILED 7
673#define EXIT_CONNECT_FAILED 8
674#define EXIT_PTYCMD_FAILED 9
675#define EXIT_NEGOTIATION_FAILED 10
676#define EXIT_PEER_AUTH_FAILED 11
677#define EXIT_IDLE_TIMEOUT 12
678#define EXIT_CONNECT_TIME 13
679#define EXIT_CALLBACK 14
680#define EXIT_PEER_DEAD 15
681#define EXIT_HANGUP 16
682#define EXIT_LOOPBACK 17
683#define EXIT_INIT_FAILED 18
684#define EXIT_AUTH_TOPEER_FAILED 19
685
686/*
687 * Debug macros. Slightly useful for finding bugs in pppd, not particularly
688 * useful for finding out why your connection isn't being established.
689 */
690#ifdef DEBUGALL
691#define DEBUGMAIN 1
692#define DEBUGFSM 1
693#define DEBUGLCP 1
694#define DEBUGIPCP 1
695#define DEBUGIPV6CP 1
696#define DEBUGUPAP 1
697#define DEBUGCHAP 1
698#endif
699
700#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
701#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
702 || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
703 || defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
704#define LOG_PPP LOG_LOCAL2
705#else
706#define LOG_PPP LOG_DAEMON
707#endif
708#endif /* LOG_PPP */
709
710#ifdef DEBUGMAIN
711#define MAINDEBUG(x) if (debug) dbglog x
712#else
713#define MAINDEBUG(x)
714#endif
715
716#ifdef DEBUGSYS
717#define SYSDEBUG(x) if (debug) dbglog x
718#else
719#define SYSDEBUG(x)
720#endif
721
722#ifdef DEBUGFSM
723#define FSMDEBUG(x) if (debug) dbglog x
724#else
725#define FSMDEBUG(x)
726#endif
727
728#ifdef DEBUGLCP
729#define LCPDEBUG(x) if (debug) dbglog x
730#else
731#define LCPDEBUG(x)
732#endif
733
734#ifdef DEBUGIPCP
735#define IPCPDEBUG(x) if (debug) dbglog x
736#else
737#define IPCPDEBUG(x)
738#endif
739
740#ifdef DEBUGIPV6CP
741#define IPV6CPDEBUG(x) if (debug) dbglog x
742#else
743#define IPV6CPDEBUG(x)
744#endif
745
746#ifdef DEBUGUPAP
747#define UPAPDEBUG(x) if (debug) dbglog x
748#else
749#define UPAPDEBUG(x)
750#endif
751
752#ifdef DEBUGCHAP
753#define CHAPDEBUG(x) if (debug) dbglog x
754#else
755#define CHAPDEBUG(x)
756#endif
757
758#ifdef DEBUGIPXCP
759#define IPXCPDEBUG(x) if (debug) dbglog x
760#else
761#define IPXCPDEBUG(x)
762#endif
763
764#ifndef SIGTYPE
765#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
766#define SIGTYPE void
767#else
768#define SIGTYPE int
769#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
770#endif /* SIGTYPE */
771
772#ifndef MIN
773#define MIN(a, b) ((a) < (b)? (a): (b))
774#endif
775#ifndef MAX
776#define MAX(a, b) ((a) > (b)? (a): (b))
777#endif
778
779#endif /* __PPP_H__ */
780
781extern int log_to_file(char *buf);
782extern int my_gettimeofday(struct timeval *timenow, struct timezone *tz);