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ntpd.h (106163) ntpd.h (132451)
1/*
2 * ntpd.h - Prototypes for ntpd.
3 */
4
5#include "ntp_syslog.h"
6#include "ntp_fp.h"
7#include "ntp.h"
8#include "ntp_select.h"
9#include "ntp_malloc.h"
10#include "ntp_refclock.h"
11#include "recvbuff.h"
12
1/*
2 * ntpd.h - Prototypes for ntpd.
3 */
4
5#include "ntp_syslog.h"
6#include "ntp_fp.h"
7#include "ntp.h"
8#include "ntp_select.h"
9#include "ntp_malloc.h"
10#include "ntp_refclock.h"
11#include "recvbuff.h"
12
13#define MAXINTERFACES 512
14#define MAXFILENAME 128 /* maximum length of a file name */
15
16#ifdef SYS_WINNT
17#define exit service_exit
18extern void service_exit (int);
19/* declare the service threads */
20void service_main (DWORD, LPTSTR *);
21void service_ctrl (DWORD);
22void worker_thread (void *);
23#define sleep(x) Sleep((DWORD) x * 1000 /* milliseconds */ );
13#ifdef SYS_WINNT
14#define exit service_exit
15extern void service_exit (int);
16/* declare the service threads */
17void service_main (DWORD, LPTSTR *);
18void service_ctrl (DWORD);
19void worker_thread (void *);
20#define sleep(x) Sleep((DWORD) x * 1000 /* milliseconds */ );
24#else
25#define closesocket close
26#endif /* SYS_WINNT */
27
28/* ntp_config.c */
29extern void getconfig P((int, char **));
30
31/* ntp_config.c */
32extern void ctl_clr_stats P((void));
21#endif /* SYS_WINNT */
22
23/* ntp_config.c */
24extern void getconfig P((int, char **));
25
26/* ntp_config.c */
27extern void ctl_clr_stats P((void));
33extern int ctlclrtrap P((struct sockaddr_in *, struct interface *, int));
28extern int ctlclrtrap P((struct sockaddr_storage *, struct interface *, int));
34extern u_short ctlpeerstatus P((struct peer *));
29extern u_short ctlpeerstatus P((struct peer *));
35extern int ctlsettrap P((struct sockaddr_in *, struct interface *, int, int));
30extern int ctlsettrap P((struct sockaddr_storage *, struct interface *, int, int));
36extern u_short ctlsysstatus P((void));
37extern void init_control P((void));
38extern void process_control P((struct recvbuf *, int));
39extern void report_event P((int, struct peer *));
40
41extern double fabs P((double));
42extern double sqrt P((double));
43

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60#define DEF 0x20
61#define PADDING 0x40
62#define EOV 0x80
63
64#define RO (CAN_READ)
65#define WO (CAN_WRITE)
66#define RW (CAN_READ|CAN_WRITE)
67
31extern u_short ctlsysstatus P((void));
32extern void init_control P((void));
33extern void process_control P((struct recvbuf *, int));
34extern void report_event P((int, struct peer *));
35
36extern double fabs P((double));
37extern double sqrt P((double));
38

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55#define DEF 0x20
56#define PADDING 0x40
57#define EOV 0x80
58
59#define RO (CAN_READ)
60#define WO (CAN_WRITE)
61#define RW (CAN_READ|CAN_WRITE)
62
68extern char * add_var P((struct ctl_var **, unsigned long, int));
63extern char * add_var P((struct ctl_var **, u_long, u_short));
69extern void free_varlist P((struct ctl_var *));
64extern void free_varlist P((struct ctl_var *));
70extern void set_var P((struct ctl_var **, const char *, unsigned long, int));
71extern void set_sys_var P((char *, unsigned long, int));
65extern void set_var P((struct ctl_var **, const char *, u_long, u_short));
66extern void set_sys_var P((char *, u_long, u_short));
72
73/* ntp_intres.c */
67
68/* ntp_intres.c */
74extern void ntp_res_name P((u_int32, u_short));
69extern void ntp_res_name P((struct sockaddr_storage, u_short));
75extern void ntp_res_recv P((void));
76extern void ntp_intres P((void));
77
78/* ntp_io.c */
70extern void ntp_res_recv P((void));
71extern void ntp_intres P((void));
72
73/* ntp_io.c */
79extern struct interface *findinterface P((struct sockaddr_in *));
80extern struct interface *findbcastinter P((struct sockaddr_in *));
74extern struct interface *findinterface P((struct sockaddr_storage *));
75extern struct interface *findbcastinter P((struct sockaddr_storage *));
81
82extern void init_io P((void));
83extern void input_handler P((l_fp *));
84extern void io_clr_stats P((void));
85extern void io_setbclient P((void));
86extern void io_unsetbclient P((void));
76
77extern void init_io P((void));
78extern void input_handler P((l_fp *));
79extern void io_clr_stats P((void));
80extern void io_setbclient P((void));
81extern void io_unsetbclient P((void));
87extern void io_multicast_add P((u_int32));
88extern void io_multicast_del P((u_int32));
89extern void kill_asyncio P((void));
82extern void io_multicast_add P((struct sockaddr_storage));
83extern void io_multicast_del P((struct sockaddr_storage));
84extern void kill_asyncio P((int));
90
85
91extern void sendpkt P((struct sockaddr_in *, struct interface *, int, struct pkt *, int));
86extern void sendpkt P((struct sockaddr_storage *, struct interface *, int, struct pkt *, int));
92#ifdef HAVE_SIGNALED_IO
93extern void wait_for_signal P((void));
94extern void unblock_io_and_alarm P((void));
95extern void block_io_and_alarm P((void));
96#endif
97
98/* ntp_leap.c */
99extern void init_leap P((void));

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117/* ntp_monitor.c */
118extern void init_mon P((void));
119extern void mon_start P((int));
120extern void mon_stop P((int));
121extern void ntp_monitor P((struct recvbuf *));
122
123/* ntp_peer.c */
124extern void init_peer P((void));
87#ifdef HAVE_SIGNALED_IO
88extern void wait_for_signal P((void));
89extern void unblock_io_and_alarm P((void));
90extern void block_io_and_alarm P((void));
91#endif
92
93/* ntp_leap.c */
94extern void init_leap P((void));

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112/* ntp_monitor.c */
113extern void init_mon P((void));
114extern void mon_start P((int));
115extern void mon_stop P((int));
116extern void ntp_monitor P((struct recvbuf *));
117
118/* ntp_peer.c */
119extern void init_peer P((void));
125extern struct peer *findexistingpeer P((struct sockaddr_in *, struct peer *, int));
126extern struct peer *findpeer P((struct sockaddr_in *, struct interface *, int, int, int *));
120extern struct peer *findexistingpeer P((struct sockaddr_storage *, struct peer *, int));
121extern struct peer *findpeer P((struct sockaddr_storage *, struct interface *, int, int, int *));
127extern struct peer *findpeerbyassoc P((u_int));
122extern struct peer *findpeerbyassoc P((u_int));
128extern struct peer *newpeer P((struct sockaddr_in *, struct interface *, int, int, int, int, u_int, u_int, int, keyid_t));
123extern struct peer *newpeer P((struct sockaddr_storage *, struct interface *, int, int, int, int, u_int, u_char, int, keyid_t));
129extern void peer_all_reset P((void));
130extern void peer_clr_stats P((void));
124extern void peer_all_reset P((void));
125extern void peer_clr_stats P((void));
131extern struct peer *peer_config P((struct sockaddr_in *, struct interface *, int, int, int, int, u_int, int, keyid_t, u_char *));
126extern struct peer *peer_config P((struct sockaddr_storage *, struct interface *, int, int, int, int, u_int, int, keyid_t, u_char *));
132extern void peer_reset P((struct peer *));
127extern void peer_reset P((struct peer *));
133extern int peer_unconfig P((struct sockaddr_in *, struct interface *, int));
128extern int peer_unconfig P((struct sockaddr_storage *, struct interface *, int));
134extern void unpeer P((struct peer *));
135extern void clear_all P((void));
129extern void unpeer P((struct peer *));
130extern void clear_all P((void));
136#ifdef AUTOKEY
131#ifdef OPENSSL
137extern void expire_all P((void));
132extern void expire_all P((void));
138#endif /* AUTOKEY */
133#endif /* OPENSSL */
139extern struct peer *findmanycastpeer P((struct recvbuf *));
140extern void resetmanycast P((void));
141
134extern struct peer *findmanycastpeer P((struct recvbuf *));
135extern void resetmanycast P((void));
136
137/* ntp_crypto.c */
138#ifdef OPENSSL
139extern int crypto_recv P((struct peer *, struct recvbuf *));
140extern int crypto_xmit P((struct pkt *, struct sockaddr_storage *, int, struct exten *, keyid_t));
141extern keyid_t session_key P((struct sockaddr_storage *, struct sockaddr_storage *, keyid_t, keyid_t, u_long));
142extern void make_keylist P((struct peer *, struct interface *));
143extern void key_expire P((struct peer *));
144extern void crypto_update P((void));
145extern void crypto_config P((int, char *));
146extern void crypto_setup P((void));
147extern u_int crypto_ident P((struct peer *));
148extern struct exten *crypto_args P((struct peer *, u_int, char *));
149extern int crypto_public P((struct peer *, u_char *, u_int));
150extern void value_free P((struct value *));
151#endif /* OPENSSL */
152
142/* ntp_proto.c */
143extern void transmit P((struct peer *));
144extern void receive P((struct recvbuf *));
153/* ntp_proto.c */
154extern void transmit P((struct peer *));
155extern void receive P((struct recvbuf *));
145extern void peer_clear P((struct peer *));
156extern void peer_clear P((struct peer *, char *));
146extern void process_packet P((struct peer *, struct pkt *, l_fp *));
147extern void clock_select P((void));
157extern void process_packet P((struct peer *, struct pkt *, l_fp *));
158extern void clock_select P((void));
159extern void kod_proto P((void));
148
149/*
150 * there seems to be a bug in the IRIX 4 compiler which prevents
151 * u_char from beeing used in prototyped functions.
152 * This is also true AIX compiler.
153 * So give up and define it to be int. WLJ
154 */
155extern void poll_update P((struct peer *, int));
156
157extern void clear P((struct peer *));
158extern void clock_filter P((struct peer *, double, double, double));
159extern void init_proto P((void));
160
161/*
162 * there seems to be a bug in the IRIX 4 compiler which prevents
163 * u_char from beeing used in prototyped functions.
164 * This is also true AIX compiler.
165 * So give up and define it to be int. WLJ
166 */
167extern void poll_update P((struct peer *, int));
168
169extern void clear P((struct peer *));
170extern void clock_filter P((struct peer *, double, double, double));
171extern void init_proto P((void));
160extern void proto_config P((int, u_long, double));
172extern void proto_config P((int, u_long, double, struct sockaddr_storage*));
161extern void proto_clr_stats P((void));
162
163#ifdef REFCLOCK
164/* ntp_refclock.c */
165extern int refclock_newpeer P((struct peer *));
166extern void refclock_unpeer P((struct peer *));
167extern void refclock_receive P((struct peer *));
168extern void refclock_transmit P((struct peer *));
169extern void init_refclock P((void));
170#endif /* REFCLOCK */
171
172/* ntp_request.c */
173extern void init_request P((void));
174extern void process_private P((struct recvbuf *, int));
175
176/* ntp_restrict.c */
177extern void init_restrict P((void));
173extern void proto_clr_stats P((void));
174
175#ifdef REFCLOCK
176/* ntp_refclock.c */
177extern int refclock_newpeer P((struct peer *));
178extern void refclock_unpeer P((struct peer *));
179extern void refclock_receive P((struct peer *));
180extern void refclock_transmit P((struct peer *));
181extern void init_refclock P((void));
182#endif /* REFCLOCK */
183
184/* ntp_request.c */
185extern void init_request P((void));
186extern void process_private P((struct recvbuf *, int));
187
188/* ntp_restrict.c */
189extern void init_restrict P((void));
178extern int restrictions P((struct sockaddr_in *));
179extern void hack_restrict P((int, struct sockaddr_in *, struct sockaddr_in *, int, int));
190extern int restrictions P((struct sockaddr_storage *));
191extern void hack_restrict P((int, struct sockaddr_storage *, struct sockaddr_storage *, int, int));
180
181/* ntp_timer.c */
182extern void init_timer P((void));
192
193/* ntp_timer.c */
194extern void init_timer P((void));
195extern void reinit_timer P((void));
183extern void timer P((void));
184extern void timer_clr_stats P((void));
196extern void timer P((void));
197extern void timer_clr_stats P((void));
185#ifdef AUTOKEY
198#ifdef OPENSSL
186extern char *sys_hostname;
187extern l_fp sys_revoketime;
199extern char *sys_hostname;
200extern l_fp sys_revoketime;
188#endif /* AUTOKEY */
201#endif /* OPENSSL */
189
190/* ntp_util.c */
191extern void init_util P((void));
192extern void hourly_stats P((void));
193extern void stats_config P((int, char *));
202
203/* ntp_util.c */
204extern void init_util P((void));
205extern void hourly_stats P((void));
206extern void stats_config P((int, char *));
194extern void record_peer_stats P((struct sockaddr_in *, int, double, double, double, double));
207extern void record_peer_stats P((struct sockaddr_storage *, int, double, double, double, double));
195extern void record_loop_stats P((double, double, double, double, int));
208extern void record_loop_stats P((double, double, double, double, int));
196extern void record_clock_stats P((struct sockaddr_in *, const char *));
197extern void record_raw_stats P((struct sockaddr_in *, struct sockaddr_in *, l_fp *, l_fp *, l_fp *, l_fp *));
209extern void record_clock_stats P((struct sockaddr_storage *, const char *));
210extern void record_raw_stats P((struct sockaddr_storage *, struct sockaddr_storage *, l_fp *, l_fp *, l_fp *, l_fp *));
211extern void record_sys_stats P((void));
212extern void record_crypto_stats P((struct sockaddr_storage *, const char *));
213extern int sock_hash P((struct sockaddr_storage *));
198
199/*
200 * Variable declarations for ntpd.
201 */
202
203/* ntp_config.c */
204extern char const * progname;
205extern char sys_phone[][MAXDIAL]; /* ACTS phone numbers */

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249
250extern volatile u_long handler_calls; /* number of calls to interrupt handler */
251extern volatile u_long handler_pkts; /* number of pkts received by handler */
252extern u_long io_timereset; /* time counters were reset */
253
254/*
255 * Interface stuff
256 */
214
215/*
216 * Variable declarations for ntpd.
217 */
218
219/* ntp_config.c */
220extern char const * progname;
221extern char sys_phone[][MAXDIAL]; /* ACTS phone numbers */

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265
266extern volatile u_long handler_calls; /* number of calls to interrupt handler */
267extern volatile u_long handler_pkts; /* number of pkts received by handler */
268extern u_long io_timereset; /* time counters were reset */
269
270/*
271 * Interface stuff
272 */
257extern struct interface *any_interface; /* default interface */
273extern struct interface *any_interface; /* default ipv4 interface */
274extern struct interface *any6_interface;/* default ipv6 interface */
258extern struct interface *loopback_interface; /* loopback interface */
259
260/*
261 * File descriptor masks etc. for call to select
262 */
263extern fd_set activefds;
264extern int maxactivefd;
265

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279 * Clock state machine control flags
280 */
281extern int ntp_enable; /* clock discipline enabled */
282extern int pll_control; /* kernel support available */
283extern int kern_enable; /* kernel support enabled */
284extern int pps_enable; /* kernel PPS discipline enabled */
285extern int ext_enable; /* external clock enabled */
286extern int cal_enable; /* refclock calibrate enable */
275extern struct interface *loopback_interface; /* loopback interface */
276
277/*
278 * File descriptor masks etc. for call to select
279 */
280extern fd_set activefds;
281extern int maxactivefd;
282

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296 * Clock state machine control flags
297 */
298extern int ntp_enable; /* clock discipline enabled */
299extern int pll_control; /* kernel support available */
300extern int kern_enable; /* kernel support enabled */
301extern int pps_enable; /* kernel PPS discipline enabled */
302extern int ext_enable; /* external clock enabled */
303extern int cal_enable; /* refclock calibrate enable */
287extern int allow_step; /* allow step correction */
288extern int allow_panic; /* allow panic correction */
289extern int mode_ntpdate; /* exit on first clock set */
290extern int peer_ntpdate; /* count of ntpdate peers */
304extern int allow_panic; /* allow panic correction */
305extern int mode_ntpdate; /* exit on first clock set */
306extern int peer_ntpdate; /* count of ntpdate peers */
307extern int forground_process; /* run the process in the forground */
291
292/*
293 * Clock state machine variables
294 */
295extern u_char sys_poll; /* system poll interval (log2 s) */
308
309/*
310 * Clock state machine variables
311 */
312extern u_char sys_poll; /* system poll interval (log2 s) */
296extern u_char sys_minpoll; /* min system poll interval (log2 s) */
297extern int state; /* clock discipline state */
298extern int tc_counter; /* poll-adjust counter */
299extern u_long last_time; /* time of last clock update (s) */
300extern double last_offset; /* last clock offset (s) */
313extern int state; /* clock discipline state */
314extern int tc_counter; /* poll-adjust counter */
315extern u_long last_time; /* time of last clock update (s) */
316extern double last_offset; /* last clock offset (s) */
301extern u_char allan_xpt; /* Allan intercept (s) */
317extern double allan_xpt; /* Allan intercept (s) */
302extern double sys_error; /* system RMS error (s) */
303extern double sys_jitter; /* system RMS jitter (s) */
304
305/* ntp_monitor.c */
306extern struct mon_data mon_mru_list;
307extern struct mon_data mon_fifo_list;
308extern int mon_enabled;
309

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344/*
345 * Nonspecified system state variables.
346 */
347extern int sys_bclient; /* we set our time to broadcasts */
348extern double sys_bdelay; /* broadcast client default delay */
349extern int sys_authenticate; /* requre authentication for config */
350extern l_fp sys_authdelay; /* authentication delay */
351extern keyid_t sys_private; /* private value for session seed */
318extern double sys_error; /* system RMS error (s) */
319extern double sys_jitter; /* system RMS jitter (s) */
320
321/* ntp_monitor.c */
322extern struct mon_data mon_mru_list;
323extern struct mon_data mon_fifo_list;
324extern int mon_enabled;
325

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360/*
361 * Nonspecified system state variables.
362 */
363extern int sys_bclient; /* we set our time to broadcasts */
364extern double sys_bdelay; /* broadcast client default delay */
365extern int sys_authenticate; /* requre authentication for config */
366extern l_fp sys_authdelay; /* authentication delay */
367extern keyid_t sys_private; /* private value for session seed */
352extern int sys_manycastserver; /* 1 => respond to manycast client pkts */
368extern int sys_manycastserver; /* respond to manycast client pkts */
369extern int sys_minclock; /* minimum survivors */
370extern int sys_minsane; /* minimum candidates */
371extern int sys_floor; /* cluster stratum floor */
372extern int sys_ceiling; /* cluster stratum ceiling */
373extern u_char sys_ttl[]; /* ttl mapping vector */
374extern int sys_ttlmax; /* max ttl mapping vector index */
353
354/*
355 * Statistics counters
356 */
357extern u_long sys_stattime; /* time when we started recording */
375
376/*
377 * Statistics counters
378 */
379extern u_long sys_stattime; /* time when we started recording */
358extern u_long sys_badstratum; /* packets with invalid stratum */
359extern u_long sys_oldversionpkt; /* old version packets received */
360extern u_long sys_newversionpkt; /* new version packets received */
380extern u_long sys_restricted; /* restricted packets */
381extern u_long sys_oldversionpkt; /* old version packets */
382extern u_long sys_newversionpkt; /* new version packets */
361extern u_long sys_unknownversion; /* don't know version packets */
383extern u_long sys_unknownversion; /* don't know version packets */
362extern u_long sys_badlength; /* packets with bad length */
384extern u_long sys_badlength; /* bad length or format */
363extern u_long sys_processed; /* packets processed */
385extern u_long sys_processed; /* packets processed */
364extern u_long sys_badauth; /* packets dropped because of auth */
365extern u_long sys_limitrejected; /* pkts rejected due to client count per net */
386extern u_long sys_badauth; /* bad authentication */
387extern u_long sys_limitrejected; /* rate limit exceeded */
388extern u_long sys_received; /* packets received */
366
367/* ntp_refclock.c */
368#ifdef REFCLOCK
369#if defined(PPS) || defined(HAVE_PPSAPI)
370extern int fdpps; /* pps file descriptor */
371#endif /* PPS */
372#endif
373
374/* ntp_request.c */
375extern keyid_t info_auth_keyid; /* keyid used to authenticate requests */
376
377/* ntp_restrict.c */
389
390/* ntp_refclock.c */
391#ifdef REFCLOCK
392#if defined(PPS) || defined(HAVE_PPSAPI)
393extern int fdpps; /* pps file descriptor */
394#endif /* PPS */
395#endif
396
397/* ntp_request.c */
398extern keyid_t info_auth_keyid; /* keyid used to authenticate requests */
399
400/* ntp_restrict.c */
378extern struct restrictlist *restrictlist; /* the restriction list */
379extern u_long client_limit;
380extern u_long client_limit_period;
401extern struct restrictlist *restrictlist; /* the ipv4 restriction list */
402extern struct restrictlist6 *restrictlist6; /* the ipv6 restriction list */
403extern u_long res_min_interval;
404extern u_long res_avg_interval;
405extern u_long mon_age; /* monitor preempt age */
381
382/* ntp_timer.c */
383extern volatile int alarm_flag; /* alarm flag */
406
407/* ntp_timer.c */
408extern volatile int alarm_flag; /* alarm flag */
384extern u_long sys_revoke; /* keys revoke timeout */
409extern u_char sys_revoke; /* keys revoke timeout (log2 s) */
385extern volatile u_long alarm_overflow;
386extern u_long current_time; /* current time (s) */
387extern u_long timer_timereset;
388extern u_long timer_overflows;
389extern u_long timer_xmtcalls;
390
391/* ntp_util.c */
392extern int stats_control; /* write stats to fileset? */
393
394/* ntpd.c */
395extern volatile int debug; /* debugging flag */
396extern int nofork; /* no-fork flag */
397extern int initializing; /* initializing flag */
410extern volatile u_long alarm_overflow;
411extern u_long current_time; /* current time (s) */
412extern u_long timer_timereset;
413extern u_long timer_overflows;
414extern u_long timer_xmtcalls;
415
416/* ntp_util.c */
417extern int stats_control; /* write stats to fileset? */
418
419/* ntpd.c */
420extern volatile int debug; /* debugging flag */
421extern int nofork; /* no-fork flag */
422extern int initializing; /* initializing flag */
423#ifdef HAVE_CLOCKCTL
424extern char *user; /* user to switch to */
425extern char *group; /* group to switch to */
426extern char *chrootdir; /* directory to chroot to */
427#endif
398
399/* refclock_conf.c */
400#ifdef REFCLOCK
401extern struct refclock *refclock_conf[]; /* refclock configuration table */
402extern u_char num_refclock_conf;
403#endif
428
429/* refclock_conf.c */
430#ifdef REFCLOCK
431extern struct refclock *refclock_conf[]; /* refclock configuration table */
432extern u_char num_refclock_conf;
433#endif