xref: /netbsd-src/external/bsd/ntp/dist/ntpdc/ntpdc_ops.c (revision 03dcb730d46d34d85c9f496c1f5a3a6a43f2b7b3)
1 /*	$NetBSD: ntpdc_ops.c,v 1.9 2017/04/13 20:17:42 christos Exp $	*/
2 
3 /*
4  * ntpdc_ops.c - subroutines which are called to perform operations by
5  *		 ntpdc
6  */
7 
8 #ifdef HAVE_CONFIG_H
9 # include <config.h>
10 #endif
11 
12 #include <stdio.h>
13 #include <stddef.h>
14 
15 #include "ntpdc.h"
16 #include "ntp_net.h"
17 #include "ntp_control.h"
18 #include "ntp_refclock.h"
19 #include "ntp_stdlib.h"
20 
21 #include <ctype.h>
22 #ifdef HAVE_SYS_TIMEX_H
23 # include <sys/timex.h>
24 #endif
25 #if !defined(__bsdi__) && !defined(apollo)
26 #ifdef HAVE_NETINET_IN_H
27 #include <netinet/in.h>
28 #endif
29 #endif
30 
31 #include <arpa/inet.h>
32 
33 /*
34  * utility functions
35  */
36 static	int	checkitems	(size_t, FILE *);
37 static	int	checkitemsize	(size_t, size_t);
38 static	int	check1item	(size_t, FILE *);
39 
40 /*
41  * Declarations for command handlers in here
42  */
43 static	void	peerlist	(struct parse *, FILE *);
44 static	void	peers		(struct parse *, FILE *);
45 static void	doconfig	(struct parse *pcmd, FILE *fp, int mode, int refc);
46 static	void	dmpeers		(struct parse *, FILE *);
47 static	void	dopeers		(struct parse *, FILE *, int);
48 static	void	printpeer	(struct info_peer *, FILE *);
49 static	void	showpeer	(struct parse *, FILE *);
50 static	void	peerstats	(struct parse *, FILE *);
51 static	void	loopinfo	(struct parse *, FILE *);
52 static	void	sysinfo		(struct parse *, FILE *);
53 static	void	sysstats	(struct parse *, FILE *);
54 static	void	iostats		(struct parse *, FILE *);
55 static	void	memstats	(struct parse *, FILE *);
56 static	void	timerstats	(struct parse *, FILE *);
57 static	void	addpeer		(struct parse *, FILE *);
58 static	void	addserver	(struct parse *, FILE *);
59 static	void	addrefclock	(struct parse *, FILE *);
60 static	void	broadcast	(struct parse *, FILE *);
61 static	void	doconfig	(struct parse *, FILE *, int, int);
62 static	void	unconfig	(struct parse *, FILE *);
63 static	void	set		(struct parse *, FILE *);
64 static	void	sys_clear	(struct parse *, FILE *);
65 static	void	doset		(struct parse *, FILE *, int);
66 static	void	reslist		(struct parse *, FILE *);
67 static	void	new_restrict	(struct parse *, FILE *);
68 static	void	unrestrict	(struct parse *, FILE *);
69 static	void	delrestrict	(struct parse *, FILE *);
70 static	void	do_restrict	(struct parse *, FILE *, int);
71 static	void	monlist		(struct parse *, FILE *);
72 static	void	reset		(struct parse *, FILE *);
73 static	void	preset		(struct parse *, FILE *);
74 static	void	readkeys	(struct parse *, FILE *);
75 static	void	trustkey	(struct parse *, FILE *);
76 static	void	untrustkey	(struct parse *, FILE *);
77 static	void	do_trustkey	(struct parse *, FILE *, int);
78 static	void	authinfo	(struct parse *, FILE *);
79 static	void	traps		(struct parse *, FILE *);
80 static	void	addtrap		(struct parse *, FILE *);
81 static	void	clrtrap		(struct parse *, FILE *);
82 static	void	do_addclr_trap	(struct parse *, FILE *, int);
83 static	void	requestkey	(struct parse *, FILE *);
84 static	void	controlkey	(struct parse *, FILE *);
85 static	void	do_changekey	(struct parse *, FILE *, int);
86 static	void	ctlstats	(struct parse *, FILE *);
87 static	void	clockstat	(struct parse *, FILE *);
88 static	void	fudge		(struct parse *, FILE *);
89 static	void	clkbug		(struct parse *, FILE *);
90 static	void	kerninfo	(struct parse *, FILE *);
91 static	void	get_if_stats	(struct parse *, FILE *);
92 static	void	do_if_reload	(struct parse *, FILE *);
93 
94 /*
95  * Commands we understand.  Ntpdc imports this.
96  */
97 struct xcmd opcmds[] = {
98 	{ "listpeers",	peerlist,	{ OPT|IP_VERSION, NO, NO, NO },
99 	  { "-4|-6", "", "", "" },
100 	  "display list of peers the server knows about [IP Version]" },
101 	{ "peers",	peers,	{ OPT|IP_VERSION, NO, NO, NO },
102 	  { "-4|-6", "", "", "" },
103 	  "display peer summary information [IP Version]" },
104 	{ "dmpeers",	dmpeers,	{ OPT|IP_VERSION, NO, NO, NO },
105 	  { "-4|-6", "", "", "" },
106 	  "display peer summary info the way Dave Mills likes it (IP Version)" },
107 	{ "showpeer",	showpeer, 	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD},
108 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
109 	  "display detailed information for one or more peers" },
110 	{ "pstats",	peerstats,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
111 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
112 	  "display statistical information for one or more peers" },
113 	{ "loopinfo",	loopinfo,	{ OPT|NTP_STR, NO, NO, NO },
114 	  { "oneline|multiline", "", "", "" },
115 	  "display loop filter information" },
116 	{ "sysinfo",	sysinfo,	{ NO, NO, NO, NO },
117 	  { "", "", "", "" },
118 	  "display local server information" },
119 	{ "sysstats",	sysstats,	{ NO, NO, NO, NO },
120 	  { "", "", "", "" },
121 	  "display local server statistics" },
122 	{ "memstats",	memstats,	{ NO, NO, NO, NO },
123 	  { "", "", "", "" },
124 	  "display peer memory usage statistics" },
125 	{ "iostats",	iostats,	{ NO, NO, NO, NO },
126 	  { "", "", "", "" },
127 	  "display I/O subsystem statistics" },
128 	{ "timerstats",	timerstats,	{ NO, NO, NO, NO },
129 	  { "", "", "", "" },
130 	  "display event timer subsystem statistics" },
131 	{ "addpeer",	addpeer,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
132 	  { "addr", "keyid", "version", "minpoll#|prefer|burst|iburst|'minpoll N'|'maxpoll N'|'keyid N'|'version N' ..." },
133 	  "configure a new peer association" },
134 	{ "addserver",	addserver,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
135 	  { "addr", "keyid", "version", "minpoll#|prefer|burst|iburst|'minpoll N'|'maxpoll N'|'keyid N'|'version N' ..." },
136 	  "configure a new server" },
137 	{ "addrefclock",addrefclock,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR },
138 	  { "addr", "mode", "minpoll|prefer", "minpoll|prefer" },
139 	  "configure a new server" },
140 	{ "broadcast",	broadcast,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
141 	  { "addr", "keyid", "version", "minpoll" },
142 	  "configure broadcasting time service" },
143 	{ "unconfig",	unconfig,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
144 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
145 	  "unconfigure existing peer assocations" },
146 	{ "enable",	set,		{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
147 	  { "auth|bclient|monitor|pll|kernel|stats", "...", "...", "..." },
148 	  "set a system flag (auth, bclient, monitor, pll, kernel, stats)" },
149 	{ "disable",	sys_clear,	{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
150 	  { "auth|bclient|monitor|pll|kernel|stats", "...", "...", "..." },
151 	  "clear a system flag (auth, bclient, monitor, pll, kernel, stats)" },
152 	{ "reslist",	reslist,	{OPT|IP_VERSION, NO, NO, NO },
153 	  { "-4|-6", "", "", "" },
154 	  "display the server's restrict list" },
155 	{ "restrict",	new_restrict,	{ NTP_ADD, NTP_ADD, NTP_STR, OPT|NTP_STR },
156 	  { "address", "mask",
157 	    "ntpport|ignore|noserve|notrust|noquery|nomodify|nopeer|version|kod",
158 	    "..." },
159 	  "create restrict entry/add flags to entry" },
160 	{ "unrestrict", unrestrict,	{ NTP_ADD, NTP_ADD, NTP_STR, OPT|NTP_STR },
161 	  { "address", "mask",
162 	    "ntpport|ignore|noserve|notrust|noquery|nomodify|nopeer|version|kod",
163 	    "..." },
164 	  "remove flags from a restrict entry" },
165 	{ "delrestrict", delrestrict,	{ NTP_ADD, NTP_ADD, OPT|NTP_STR, NO },
166 	  { "address", "mask", "ntpport", "" },
167 	  "delete a restrict entry" },
168 	{ "monlist",	monlist,	{ OPT|NTP_INT, NO, NO, NO },
169 	  { "version", "", "", "" },
170 	  "display data the server's monitor routines have collected" },
171 	{ "reset",	reset,		{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
172 	  { "io|sys|mem|timer|auth|ctl|allpeers", "...", "...", "..." },
173 	  "reset various subsystem statistics counters" },
174 	{ "preset",	preset,		{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
175 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
176 	  "reset stat counters associated with particular peer(s)" },
177 	{ "readkeys",	readkeys,	{ NO, NO, NO, NO },
178 	  { "", "", "", "" },
179 	  "request a reread of the keys file and re-init of system keys" },
180 	{ "trustedkey",	trustkey,	{ NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT },
181 	  { "keyid", "keyid", "keyid", "keyid" },
182 	  "add one or more key ID's to the trusted list" },
183 	{ "untrustedkey", untrustkey,	{ NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT },
184 	  { "keyid", "keyid", "keyid", "keyid" },
185 	  "remove one or more key ID's from the trusted list" },
186 	{ "authinfo",	authinfo,	{ NO, NO, NO, NO },
187 	  { "", "", "", "" },
188 	  "display the state of the authentication code" },
189 	{ "traps",	traps,		{ NO, NO, NO, NO },
190 	  { "", "", "", "" },
191 	  "display the traps set in the server" },
192 	{ "addtrap",	addtrap,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_ADD, NO },
193 	  { "address", "port", "interface", "" },
194 	  "configure a trap in the server" },
195 	{ "clrtrap",	clrtrap,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_ADD, NO },
196 	  { "address", "port", "interface", "" },
197 	  "remove a trap (configured or otherwise) from the server" },
198 	{ "requestkey",	requestkey,	{ NTP_UINT, NO, NO, NO },
199 	  { "keyid", "", "", "" },
200 	  "change the keyid the server uses to authenticate requests" },
201 	{ "controlkey",	controlkey,	{ NTP_UINT, NO, NO, NO },
202 	  { "keyid", "", "", "" },
203 	  "change the keyid the server uses to authenticate control messages" },
204 	{ "ctlstats",	ctlstats,	{ NO, NO, NO, NO },
205 	  { "", "", "", "" },
206 	  "display packet count statistics from the control module" },
207 	{ "clockstat",	clockstat,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
208 	  { "address", "address", "address", "address" },
209 	  "display clock status information" },
210 	{ "fudge",	fudge,		{ NTP_ADD, NTP_STR, NTP_STR, NO },
211 	  { "address", "time1|time2|val1|val2|flags", "value", "" },
212 	  "set/change one of a clock's fudge factors" },
213 	{ "clkbug",	clkbug,		{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
214 	  { "address", "address", "address", "address" },
215 	  "display clock debugging information" },
216 	{ "kerninfo",	kerninfo,	{ NO, NO, NO, NO },
217 	  { "", "", "", "" },
218 	  "display the kernel pll/pps variables" },
219 	{ "ifstats",	get_if_stats,	{ NO, NO, NO, NO },
220 	  { "", "", "", "" },
221 	  "list interface statistics" },
222 	{ "ifreload",	do_if_reload,	{ NO, NO, NO, NO },
223 	  { "", "", "", "" },
224 	  "reload interface configuration" },
225 	{ 0,		0,		{ NO, NO, NO, NO },
226 	  { "", "", "", "" }, "" }
227 };
228 
229 /*
230  * For quick string comparisons
231  */
232 #define	STREQ(a, b)	(*(a) == *(b) && strcmp((a), (b)) == 0)
233 
234 /*
235  * SET_SS_LEN_IF_PRESENT - used by SET_ADDR, SET_ADDRS macros
236  */
237 
238 #ifdef ISC_PLATFORM_HAVESALEN
239 #define SET_SS_LEN_IF_PRESENT(psau)				\
240 	do {							\
241 		(psau)->sa.sa_len = SOCKLEN(psau);		\
242 	} while (0)
243 #else
244 #define SET_SS_LEN_IF_PRESENT(psau)	do { } while (0)
245 #endif
246 
247 /*
248  * SET_ADDR - setup address for v4/v6 as needed
249  */
250 #define SET_ADDR(address, v6flag, v4addr, v6addr)		\
251 do {								\
252 	ZERO(address);						\
253 	if (v6flag) {						\
254 		AF(&(address)) = AF_INET6;			\
255 		SOCK_ADDR6(&(address)) = (v6addr);		\
256 	} else {						\
257 		AF(&(address)) = AF_INET;			\
258 		NSRCADR(&(address)) = (v4addr);			\
259 	}							\
260 	SET_SS_LEN_IF_PRESENT(&(address));			\
261 } while (0)
262 
263 
264 /*
265  * SET_ADDRS - setup source and destination addresses for
266  * v4/v6 as needed
267  */
268 #define SET_ADDRS(a1, a2, info, a1prefix, a2prefix)		\
269 do {								\
270 	ZERO(a1);						\
271 	ZERO(a2);						\
272 	if ((info)->v6_flag) {					\
273 		AF(&(a1)) = AF_INET6;				\
274 		AF(&(a2)) = AF_INET6;				\
275 		SOCK_ADDR6(&(a1)) = (info)->a1prefix##6;	\
276 		SOCK_ADDR6(&(a2)) = (info)->a2prefix##6;	\
277 	} else {						\
278 		AF(&(a1)) = AF_INET;				\
279 		AF(&(a2)) = AF_INET;				\
280 		NSRCADR(&(a1)) = (info)->a1prefix;		\
281 		NSRCADR(&(a2)) = (info)->a2prefix;		\
282 	}							\
283 	SET_SS_LEN_IF_PRESENT(&(a1));				\
284 	SET_SS_LEN_IF_PRESENT(&(a2));				\
285 } while (0)
286 
287 
288 /*
289  * checkitems - utility to print a message if no items were returned
290  */
291 static int
292 checkitems(
293 	size_t items,
294 	FILE *fp
295 	)
296 {
297 	if (items == 0) {
298 		(void) fprintf(fp, "No data returned in response to query\n");
299 		return 0;
300 	}
301 	return 1;
302 }
303 
304 
305 /*
306  * checkitemsize - utility to print a message if the item size is wrong
307  */
308 static int
309 checkitemsize(
310 	size_t itemsize,
311 	size_t expected
312 	)
313 {
314 	if (itemsize != expected) {
315 		(void) fprintf(stderr,
316 			       "***Incorrect item size returned by remote host (%lu should be %lu)\n",
317 			       (u_long)itemsize, (u_long)expected);
318 		return 0;
319 	}
320 	return 1;
321 }
322 
323 
324 /*
325  * check1item - check to make sure we have exactly one item
326  */
327 static int
328 check1item(
329 	size_t items,
330 	FILE *fp
331 	)
332 {
333 	if (items == 0) {
334 		(void) fprintf(fp, "No data returned in response to query\n");
335 		return 0;
336 	}
337 	if (items > 1) {
338 		(void) fprintf(fp, "Expected one item in response, got %lu\n",
339 			       (u_long)items);
340 		return 0;
341 	}
342 	return 1;
343 }
344 
345 
346 /*
347  * peerlist - get a short list of peers
348  */
349 /*ARGSUSED*/
350 static void
351 peerlist(
352 	struct parse *pcmd,
353 	FILE *fp
354 	)
355 {
356 	struct info_peer_list *plist;
357 	sockaddr_u paddr;
358 	size_t items;
359 	size_t itemsize;
360 	int res;
361 
362 again:
363 	res = doquery(impl_ver, REQ_PEER_LIST, 0, 0, 0, (char *)NULL, &items,
364 		      &itemsize, (void *)&plist, 0,
365 		      sizeof(struct info_peer_list));
366 
367 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
368 		impl_ver = IMPL_XNTPD_OLD;
369 		goto again;
370 	}
371 
372 	if (res != 0)
373 	    return;
374 
375 	if (!checkitems(items, fp))
376 	    return;
377 
378 	if (!checkitemsize(itemsize, sizeof(struct info_peer_list)) &&
379 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_list)))
380 	    return;
381 
382 	while (items > 0) {
383 		SET_ADDR(paddr, plist->v6_flag, plist->addr, plist->addr6);
384 		if ((pcmd->nargs == 0) ||
385 		    ((pcmd->argval->ival == 6) && (plist->v6_flag != 0)) ||
386 		    ((pcmd->argval->ival == 4) && (plist->v6_flag == 0)))
387 			(void) fprintf(fp, "%-9s %s\n",
388 				modetoa(plist->hmode),
389 				nntohost(&paddr));
390 		plist++;
391 		items--;
392 	}
393 }
394 
395 
396 /*
397  * peers - show peer summary
398  */
399 static void
400 peers(
401 	struct parse *pcmd,
402 	FILE *fp
403 	)
404 {
405 	dopeers(pcmd, fp, 0);
406 }
407 
408 /*
409  * dmpeers - show peer summary, Dave Mills style
410  */
411 static void
412 dmpeers(
413 	struct parse *pcmd,
414 	FILE *fp
415 	)
416 {
417 	dopeers(pcmd, fp, 1);
418 }
419 
420 
421 /*
422  * peers - show peer summary
423  */
424 /*ARGSUSED*/
425 static void
426 dopeers(
427 	struct parse *pcmd,
428 	FILE *fp,
429 	int dmstyle
430 	)
431 {
432 	struct info_peer_summary *plist;
433 	sockaddr_u dstadr;
434 	sockaddr_u srcadr;
435 	size_t items;
436 	size_t itemsize;
437 	int ntp_poll;
438 	int res;
439 	int c;
440 	l_fp tempts;
441 
442 again:
443 	res = doquery(impl_ver, REQ_PEER_LIST_SUM, 0, 0, 0, (char *)NULL,
444 		      &items, &itemsize, (void *)&plist, 0,
445 		      sizeof(struct info_peer_summary));
446 
447 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
448 		impl_ver = IMPL_XNTPD_OLD;
449 		goto again;
450 	}
451 
452 	if (res != 0)
453 	    return;
454 
455 	if (!checkitems(items, fp))
456 	    return;
457 
458 	if (!checkitemsize(itemsize, sizeof(struct info_peer_summary)) &&
459 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_summary)))
460 		return;
461 
462 	(void) fprintf(fp,
463 		       "     remote           local      st poll reach  delay   offset    disp\n");
464 	(void) fprintf(fp,
465 		       "=======================================================================\n");
466 	while (items > 0) {
467 		if (!dmstyle) {
468 			if (plist->flags & INFO_FLAG_SYSPEER)
469 			    c = '*';
470 			else if (plist->hmode == MODE_ACTIVE)
471 			    c = '+';
472 			else if (plist->hmode == MODE_PASSIVE)
473 			    c = '-';
474 			else if (plist->hmode == MODE_CLIENT)
475 			    c = '=';
476 			else if (plist->hmode == MODE_BROADCAST)
477 			    c = '^';
478 			else if (plist->hmode == MODE_BCLIENT)
479 			    c = '~';
480 			else
481 			    c = ' ';
482 		} else {
483 			if (plist->flags & INFO_FLAG_SYSPEER)
484 			    c = '*';
485 			else if (plist->flags & INFO_FLAG_SHORTLIST)
486 			    c = '+';
487 			else if (plist->flags & INFO_FLAG_SEL_CANDIDATE)
488 			    c = '.';
489 			else
490 			    c = ' ';
491 		}
492 		NTOHL_FP(&(plist->offset), &tempts);
493 		ntp_poll = 1<<max(min3(plist->ppoll, plist->hpoll, NTP_MAXPOLL),
494 				  NTP_MINPOLL);
495 		SET_ADDRS(dstadr, srcadr, plist, dstadr, srcadr);
496 		if ((pcmd->nargs == 0) ||
497 		    ((pcmd->argval->ival == 6) && (plist->v6_flag != 0)) ||
498 		    ((pcmd->argval->ival == 4) && (plist->v6_flag == 0)))
499 			(void) fprintf(fp,
500 			    "%c%-15.15s %-15.15s %2u %4d  %3o %7.7s %9.9s %7.7s\n",
501 			    c, nntohost(&srcadr), stoa(&dstadr),
502 			    plist->stratum, ntp_poll, plist->reach,
503 			    fptoa(NTOHS_FP(plist->delay), 5),
504 			    lfptoa(&tempts, 6),
505 			    ufptoa(NTOHS_FP(plist->dispersion), 5));
506 		plist++;
507 		items--;
508 	}
509 }
510 
511 /* Convert a refid & stratum (in host order) to a string */
512 static char *
513 refid_string(
514 	u_int32 refid,
515 	int stratum
516 	)
517 {
518 	if (stratum <= 1) {
519 		static char junk[5];
520 		junk[4] = 0;
521 		memcpy(junk, &refid, 4);
522 		return junk;
523 	}
524 
525 	return numtoa(refid);
526 }
527 
528 static void
529 print_pflag(
530 	FILE *	fp,
531 	u_int32	flags
532 	)
533 {
534 	static const char none[] = "";
535 	static const char comma[] = ",";
536 	const char *dlim;
537 
538 	if (0 == flags) {
539 		fprintf(fp, " none\n");
540 		return;
541 	}
542 	dlim = none;
543 	if (flags & INFO_FLAG_SYSPEER) {
544 		fprintf(fp, " system_peer");
545 		dlim = comma;
546 	}
547 	if (flags & INFO_FLAG_CONFIG) {
548 		fprintf(fp, "%s config", dlim);
549 		dlim = comma;
550 	}
551 	if (flags & INFO_FLAG_REFCLOCK) {
552 		fprintf(fp, "%s refclock", dlim);
553 		dlim = comma;
554 	}
555 	if (flags & INFO_FLAG_AUTHENABLE) {
556 		fprintf(fp, "%s auth", dlim);
557 		dlim = comma;
558 	}
559 	if (flags & INFO_FLAG_PREFER) {
560 		fprintf(fp, "%s prefer", dlim);
561 		dlim = comma;
562 	}
563 	if (flags & INFO_FLAG_IBURST) {
564 		fprintf(fp, "%s iburst", dlim);
565 		dlim = comma;
566 	}
567 	if (flags & INFO_FLAG_BURST) {
568 		fprintf(fp, "%s burst", dlim);
569 		dlim = comma;
570 	}
571 	if (flags & INFO_FLAG_SEL_CANDIDATE) {
572 		fprintf(fp, "%s candidate", dlim);
573 		dlim = comma;
574 	}
575 	if (flags & INFO_FLAG_SHORTLIST) {
576 		fprintf(fp, "%s shortlist", dlim);
577 		dlim = comma;
578 	}
579 	fprintf(fp, "\n");
580 }
581 /*
582  * printpeer - print detail information for a peer
583  */
584 static void
585 printpeer(
586 	register struct info_peer *pp,
587 	FILE *fp
588 	)
589 {
590 	register int i;
591 	l_fp tempts;
592 	sockaddr_u srcadr, dstadr;
593 
594 	SET_ADDRS(dstadr, srcadr, pp, dstadr, srcadr);
595 
596 	(void) fprintf(fp, "remote %s, local %s\n",
597 		       stoa(&srcadr), stoa(&dstadr));
598 	(void) fprintf(fp, "hmode %s, pmode %s, stratum %d, precision %d\n",
599 		       modetoa(pp->hmode), modetoa(pp->pmode),
600 		       pp->stratum, pp->precision);
601 
602 	(void) fprintf(fp,
603 		       "leap %c%c, refid [%s], rootdistance %s, rootdispersion %s\n",
604 		       pp->leap & 0x2 ? '1' : '0',
605 		       pp->leap & 0x1 ? '1' : '0',
606 		       refid_string(pp->refid, pp->stratum), fptoa(NTOHS_FP(pp->rootdelay), 5),
607 		       ufptoa(NTOHS_FP(pp->rootdispersion), 5));
608 
609 	(void) fprintf(fp,
610 		       "ppoll %d, hpoll %d, keyid %lu, version %d, association %u\n",
611 		       pp->ppoll, pp->hpoll, (u_long)pp->keyid, pp->version, ntohs(pp->associd));
612 
613 	(void) fprintf(fp,
614 		       "reach %03o, unreach %d, flash 0x%04x, ",
615 		       pp->reach, pp->unreach, pp->flash2);
616 
617 	(void) fprintf(fp, "boffset %s, ttl/mode %d\n",
618 		       fptoa(NTOHS_FP(pp->estbdelay), 5), pp->ttl);
619 
620 	(void) fprintf(fp, "timer %lds, flags", (long)ntohl(pp->timer));
621 	print_pflag(fp, pp->flags);
622 
623 	NTOHL_FP(&pp->reftime, &tempts);
624 	(void) fprintf(fp, "reference time:      %s\n",
625 		       prettydate(&tempts));
626 	NTOHL_FP(&pp->org, &tempts);
627 	(void) fprintf(fp, "originate timestamp: %s\n",
628 		       prettydate(&tempts));
629 	NTOHL_FP(&pp->rec, &tempts);
630 	(void) fprintf(fp, "receive timestamp:   %s\n",
631 		       prettydate(&tempts));
632 	NTOHL_FP(&pp->xmt, &tempts);
633 	(void) fprintf(fp, "transmit timestamp:  %s\n",
634 		       prettydate(&tempts));
635 
636 	(void) fprintf(fp, "filter delay: ");
637 	for (i = 0; i < NTP_SHIFT; i++) {
638 		(void) fprintf(fp, " %-8.8s",
639 			       fptoa(NTOHS_FP(pp->filtdelay[i]), 5));
640 		if (i == (NTP_SHIFT>>1)-1)
641 		    (void) fprintf(fp, "\n              ");
642 	}
643 	(void) fprintf(fp, "\n");
644 
645 	(void) fprintf(fp, "filter offset:");
646 	for (i = 0; i < NTP_SHIFT; i++) {
647 		NTOHL_FP(&pp->filtoffset[i], &tempts);
648 		(void) fprintf(fp, " %-8.8s", lfptoa(&tempts, 6));
649 		if (i == (NTP_SHIFT>>1)-1)
650 		    (void) fprintf(fp, "\n              ");
651 	}
652 	(void) fprintf(fp, "\n");
653 
654 	(void) fprintf(fp, "filter order: ");
655 	for (i = 0; i < NTP_SHIFT; i++) {
656 		(void) fprintf(fp, " %-8d", pp->order[i]);
657 		if (i == (NTP_SHIFT>>1)-1)
658 		    (void) fprintf(fp, "\n              ");
659 	}
660 	(void) fprintf(fp, "\n");
661 
662 
663 	NTOHL_FP(&pp->offset, &tempts);
664 	(void) fprintf(fp,
665 		       "offset %s, delay %s, error bound %s, filter error %s\n",
666 		       lfptoa(&tempts, 6), fptoa(NTOHS_FP(pp->delay), 5),
667 		       ufptoa(NTOHS_FP(pp->dispersion), 5),
668 		       ufptoa(NTOHS_FP(pp->selectdisp), 5));
669 }
670 
671 
672 /*
673  * showpeer - show detailed information for a peer
674  */
675 static void
676 showpeer(
677 	struct parse *pcmd,
678 	FILE *fp
679 	)
680 {
681 	struct info_peer *pp;
682 	/* 4 is the maximum number of peers which will fit in a packet */
683 	struct info_peer_list *pl, plist[min(MAXARGS, 4)];
684 	size_t qitemlim;
685 	size_t qitems;
686 	size_t items;
687 	size_t itemsize;
688 	int res;
689 	int sendsize;
690 
691 again:
692 	if (impl_ver == IMPL_XNTPD)
693 		sendsize = sizeof(struct info_peer_list);
694 	else
695 		sendsize = v4sizeof(struct info_peer_list);
696 
697 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
698 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
699 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
700 			pl->addr = NSRCADR(&pcmd->argval[qitems].netnum);
701 			if (impl_ver == IMPL_XNTPD)
702 				pl->v6_flag = 0;
703 		} else {
704 			if (impl_ver == IMPL_XNTPD_OLD) {
705 				fprintf(stderr,
706 				    "***Server doesn't understand IPv6 addresses\n");
707 				return;
708 			}
709 			pl->addr6 = SOCK_ADDR6(&pcmd->argval[qitems].netnum);
710 			pl->v6_flag = 1;
711 		}
712 		pl->port = (u_short)s_port;
713 		pl->hmode = pl->flags = 0;
714 		pl = (void *)((char *)pl + sendsize);
715 	}
716 
717 	res = doquery(impl_ver, REQ_PEER_INFO, 0, qitems,
718 		      sendsize, (char *)plist, &items,
719 		      &itemsize, (void *)&pp, 0, sizeof(struct info_peer));
720 
721 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
722 		impl_ver = IMPL_XNTPD_OLD;
723 		goto again;
724 	}
725 
726 	if (res != 0)
727 		return;
728 
729 	if (!checkitems(items, fp))
730 		return;
731 
732 	if (!checkitemsize(itemsize, sizeof(struct info_peer)) &&
733 	    !checkitemsize(itemsize, v4sizeof(struct info_peer)))
734 		return;
735 
736 	while (items-- > 0) {
737 		printpeer(pp, fp);
738 		if (items > 0)
739 			fprintf(fp, "\n");
740 		pp++;
741 	}
742 }
743 
744 
745 /*
746  * peerstats - return statistics for a peer
747  */
748 static void
749 peerstats(
750 	struct parse *pcmd,
751 	FILE *fp
752 	)
753 {
754 	struct info_peer_stats *pp;
755 	/* 4 is the maximum number of peers which will fit in a packet */
756 	struct info_peer_list *pl, plist[min(MAXARGS, 4)];
757 	sockaddr_u src, dst;
758 	size_t qitemlim;
759 	size_t qitems;
760 	size_t items;
761 	size_t itemsize;
762 	int res;
763 	size_t sendsize;
764 
765 again:
766 	if (impl_ver == IMPL_XNTPD)
767 		sendsize = sizeof(struct info_peer_list);
768 	else
769 		sendsize = v4sizeof(struct info_peer_list);
770 
771 	ZERO(plist);
772 
773 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
774 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
775 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
776 			pl->addr = NSRCADR(&pcmd->argval[qitems].netnum);
777 			if (impl_ver == IMPL_XNTPD)
778 				pl->v6_flag = 0;
779 		} else {
780 			if (impl_ver == IMPL_XNTPD_OLD) {
781 				fprintf(stderr,
782 				    "***Server doesn't understand IPv6 addresses\n");
783 				return;
784 			}
785 			pl->addr6 = SOCK_ADDR6(&pcmd->argval[qitems].netnum);
786 			pl->v6_flag = 1;
787 		}
788 		pl->port = (u_short)s_port;
789 		pl->hmode = plist[qitems].flags = 0;
790 		pl = (void *)((char *)pl + sendsize);
791 	}
792 
793 	res = doquery(impl_ver, REQ_PEER_STATS, 0, qitems,
794 		      sendsize, (char *)plist, &items,
795 		      &itemsize, (void *)&pp, 0,
796 		      sizeof(struct info_peer_stats));
797 
798 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
799 		impl_ver = IMPL_XNTPD_OLD;
800 		goto again;
801 	}
802 
803 	if (res != 0)
804 		return;
805 
806 	if (!checkitems(items, fp))
807 	    return;
808 
809 	if (!checkitemsize(itemsize, sizeof(struct info_peer_stats)) &&
810 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_stats)))
811 	    return;
812 
813 	while (items-- > 0) {
814 		ZERO_SOCK(&dst);
815 		ZERO_SOCK(&src);
816 		if (pp->v6_flag != 0) {
817 			AF(&dst) = AF_INET6;
818 			AF(&src) = AF_INET6;
819 			SOCK_ADDR6(&dst) = pp->dstadr6;
820 			SOCK_ADDR6(&src) = pp->srcadr6;
821 		} else {
822 			AF(&dst) = AF_INET;
823 			AF(&src) = AF_INET;
824 			NSRCADR(&dst) = pp->dstadr;
825 			NSRCADR(&src) = pp->srcadr;
826 		}
827 #ifdef ISC_PLATFORM_HAVESALEN
828 		src.sa.sa_len = SOCKLEN(&src);
829 		dst.sa.sa_len = SOCKLEN(&dst);
830 #endif
831 		fprintf(fp, "remote host:          %s\n",
832 			nntohost(&src));
833 		fprintf(fp, "local interface:      %s\n",
834 			stoa(&dst));
835 		fprintf(fp, "time last received:   %lus\n",
836 			(u_long)ntohl(pp->timereceived));
837 		fprintf(fp, "time until next send: %lus\n",
838 			(u_long)ntohl(pp->timetosend));
839 		fprintf(fp, "reachability change:  %lus\n",
840 			(u_long)ntohl(pp->timereachable));
841 		fprintf(fp, "packets sent:         %lu\n",
842 			(u_long)ntohl(pp->sent));
843 		fprintf(fp, "packets received:     %lu\n",
844 			(u_long)ntohl(pp->processed));
845 		fprintf(fp, "bad authentication:   %lu\n",
846 			(u_long)ntohl(pp->badauth));
847 		fprintf(fp, "bogus origin:         %lu\n",
848 			(u_long)ntohl(pp->bogusorg));
849 		fprintf(fp, "duplicate:            %lu\n",
850 			(u_long)ntohl(pp->oldpkt));
851 		fprintf(fp, "bad dispersion:       %lu\n",
852 			(u_long)ntohl(pp->seldisp));
853 		fprintf(fp, "bad reference time:   %lu\n",
854 			(u_long)ntohl(pp->selbroken));
855 		fprintf(fp, "candidate order:      %u\n",
856 			pp->candidate);
857 		if (items > 0)
858 			fprintf(fp, "\n");
859 		fprintf(fp, "flags:	");
860 		print_pflag(fp, ntohs(pp->flags));
861 		pp++;
862 	}
863 }
864 
865 
866 /*
867  * loopinfo - show loop filter information
868  */
869 static void
870 loopinfo(
871 	struct parse *pcmd,
872 	FILE *fp
873 	)
874 {
875 	struct info_loop *il;
876 	size_t items;
877 	size_t itemsize;
878 	int oneline = 0;
879 	int res;
880 	l_fp tempts;
881 
882 	if (pcmd->nargs > 0) {
883 		if (STREQ(pcmd->argval[0].string, "oneline"))
884 		    oneline = 1;
885 		else if (STREQ(pcmd->argval[0].string, "multiline"))
886 		    oneline = 0;
887 		else {
888 			(void) fprintf(stderr, "How many lines?\n");
889 			return;
890 		}
891 	}
892 
893 again:
894 	res = doquery(impl_ver, REQ_LOOP_INFO, 0, 0, 0, (char *)NULL,
895 		      &items, &itemsize, (void *)&il, 0,
896 		      sizeof(struct info_loop));
897 
898 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
899 		impl_ver = IMPL_XNTPD_OLD;
900 		goto again;
901 	}
902 
903 	if (res != 0)
904 	    return;
905 
906 	if (!check1item(items, fp))
907 	    return;
908 
909 	if (!checkitemsize(itemsize, sizeof(struct info_loop)))
910 	    return;
911 
912 	if (oneline) {
913 		l_fp temp2ts;
914 
915 		NTOHL_FP(&il->last_offset, &tempts);
916 		NTOHL_FP(&il->drift_comp, &temp2ts);
917 
918 		(void) fprintf(fp,
919 			       "offset %s, frequency %s, time_const %ld, watchdog %ld\n",
920 			       lfptoa(&tempts, 6),
921 			       lfptoa(&temp2ts, 3),
922 			       (long)(int32)ntohl((u_long)il->compliance),
923 			       (u_long)ntohl((u_long)il->watchdog_timer));
924 	} else {
925 		NTOHL_FP(&il->last_offset, &tempts);
926 		(void) fprintf(fp, "offset:               %s s\n",
927 			       lfptoa(&tempts, 6));
928 		NTOHL_FP(&il->drift_comp, &tempts);
929 		(void) fprintf(fp, "frequency:            %s ppm\n",
930 			       lfptoa(&tempts, 3));
931 		(void) fprintf(fp, "poll adjust:          %ld\n",
932 			       (long)(int32)ntohl(il->compliance));
933 		(void) fprintf(fp, "watchdog timer:       %ld s\n",
934 			       (u_long)ntohl(il->watchdog_timer));
935 	}
936 }
937 
938 
939 /*
940  * sysinfo - show current system state
941  */
942 /*ARGSUSED*/
943 static void
944 sysinfo(
945 	struct parse *pcmd,
946 	FILE *fp
947 	)
948 {
949 	struct info_sys *is;
950 	sockaddr_u peeraddr;
951 	size_t items;
952 	size_t itemsize;
953 	int res;
954 	l_fp tempts;
955 
956 again:
957 	res = doquery(impl_ver, REQ_SYS_INFO, 0, 0, 0, (char *)NULL,
958 		      &items, &itemsize, (void *)&is, 0,
959 		      sizeof(struct info_sys));
960 
961 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
962 		impl_ver = IMPL_XNTPD_OLD;
963 		goto again;
964 	}
965 
966 	if (res != 0)
967 	    return;
968 
969 	if (!check1item(items, fp))
970 	    return;
971 
972 	if (!checkitemsize(itemsize, sizeof(struct info_sys)) &&
973 	    !checkitemsize(itemsize, v4sizeof(struct info_sys)))
974 	    return;
975 
976 	SET_ADDR(peeraddr, is->v6_flag, is->peer, is->peer6);
977 
978 	(void) fprintf(fp, "system peer:          %s\n", nntohost(&peeraddr));
979 	(void) fprintf(fp, "system peer mode:     %s\n", modetoa(is->peer_mode));
980 	(void) fprintf(fp, "leap indicator:       %c%c\n",
981 		       is->leap & 0x2 ? '1' : '0',
982 		       is->leap & 0x1 ? '1' : '0');
983 	(void) fprintf(fp, "stratum:              %d\n", (int)is->stratum);
984 	(void) fprintf(fp, "precision:            %d\n", (int)is->precision);
985 	(void) fprintf(fp, "root distance:        %s s\n",
986 		       fptoa(NTOHS_FP(is->rootdelay), 5));
987 	(void) fprintf(fp, "root dispersion:      %s s\n",
988 		       ufptoa(NTOHS_FP(is->rootdispersion), 5));
989 	(void) fprintf(fp, "reference ID:         [%s]\n",
990 		       refid_string(is->refid, is->stratum));
991 	NTOHL_FP(&is->reftime, &tempts);
992 	(void) fprintf(fp, "reference time:       %s\n", prettydate(&tempts));
993 
994 	(void) fprintf(fp, "system flags:         ");
995 	if ((is->flags & (INFO_FLAG_BCLIENT | INFO_FLAG_AUTHENABLE |
996 	    INFO_FLAG_NTP | INFO_FLAG_KERNEL| INFO_FLAG_CAL |
997 	    INFO_FLAG_PPS_SYNC | INFO_FLAG_MONITOR | INFO_FLAG_FILEGEN)) == 0) {
998 		(void) fprintf(fp, "none\n");
999 	} else {
1000 		if (is->flags & INFO_FLAG_BCLIENT)
1001 		    (void) fprintf(fp, "bclient ");
1002 		if (is->flags & INFO_FLAG_AUTHENTICATE)
1003 		    (void) fprintf(fp, "auth ");
1004 		if (is->flags & INFO_FLAG_MONITOR)
1005 		    (void) fprintf(fp, "monitor ");
1006 		if (is->flags & INFO_FLAG_NTP)
1007 		    (void) fprintf(fp, "ntp ");
1008 		if (is->flags & INFO_FLAG_KERNEL)
1009 		    (void) fprintf(fp, "kernel ");
1010 		if (is->flags & INFO_FLAG_FILEGEN)
1011 		    (void) fprintf(fp, "stats ");
1012 		if (is->flags & INFO_FLAG_CAL)
1013 		    (void) fprintf(fp, "calibrate ");
1014 		if (is->flags & INFO_FLAG_PPS_SYNC)
1015 		    (void) fprintf(fp, "pps ");
1016 		(void) fprintf(fp, "\n");
1017 	}
1018 	(void) fprintf(fp, "jitter:               %s s\n",
1019 		       fptoa(ntohl(is->frequency), 6));
1020 	(void) fprintf(fp, "stability:            %s ppm\n",
1021 		       ufptoa(ntohl(is->stability), 3));
1022 	(void) fprintf(fp, "broadcastdelay:       %s s\n",
1023 		       fptoa(NTOHS_FP(is->bdelay), 6));
1024 	NTOHL_FP(&is->authdelay, &tempts);
1025 	(void) fprintf(fp, "authdelay:            %s s\n", lfptoa(&tempts, 6));
1026 }
1027 
1028 
1029 /*
1030  * sysstats - print system statistics
1031  */
1032 /*ARGSUSED*/
1033 static void
1034 sysstats(
1035 	struct parse *pcmd,
1036 	FILE *fp
1037 	)
1038 {
1039 	struct info_sys_stats *ss;
1040 	size_t items;
1041 	size_t itemsize;
1042 	int res;
1043 
1044 again:
1045 	res = doquery(impl_ver, REQ_SYS_STATS, 0, 0, 0, (char *)NULL,
1046 		      &items, &itemsize, (void *)&ss, 0,
1047 		      sizeof(struct info_sys_stats));
1048 
1049 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1050 		impl_ver = IMPL_XNTPD_OLD;
1051 		goto again;
1052 	}
1053 
1054 	if (res != 0)
1055 	    return;
1056 
1057 	if (!check1item(items, fp))
1058 	    return;
1059 
1060 	if (itemsize != sizeof(struct info_sys_stats) &&
1061 	    itemsize != sizeof(struct old_info_sys_stats)) {
1062 		/* issue warning according to new structure size */
1063 		checkitemsize(itemsize, sizeof(struct info_sys_stats));
1064 		return;
1065 	}
1066 	fprintf(fp, "time since restart:     %lu\n",
1067 		(u_long)ntohl(ss->timeup));
1068 	fprintf(fp, "time since reset:       %lu\n",
1069 		(u_long)ntohl(ss->timereset));
1070 	fprintf(fp, "packets received:       %lu\n",
1071 		(u_long)ntohl(ss->received));
1072 	fprintf(fp, "packets processed:      %lu\n",
1073 		(u_long)ntohl(ss->processed));
1074 	fprintf(fp, "current version:        %lu\n",
1075 		(u_long)ntohl(ss->newversionpkt));
1076 	fprintf(fp, "previous version:       %lu\n",
1077 		(u_long)ntohl(ss->oldversionpkt));
1078 	fprintf(fp, "declined:               %lu\n",
1079 		(u_long)ntohl(ss->unknownversion));
1080 	fprintf(fp, "access denied:          %lu\n",
1081 		(u_long)ntohl(ss->denied));
1082 	fprintf(fp, "bad length or format:   %lu\n",
1083 		(u_long)ntohl(ss->badlength));
1084 	fprintf(fp, "bad authentication:     %lu\n",
1085 		(u_long)ntohl(ss->badauth));
1086 	if (itemsize != sizeof(struct info_sys_stats))
1087 	    return;
1088 
1089 	fprintf(fp, "rate exceeded:          %lu\n",
1090 	       (u_long)ntohl(ss->limitrejected));
1091 }
1092 
1093 
1094 
1095 /*
1096  * iostats - print I/O statistics
1097  */
1098 /*ARGSUSED*/
1099 static void
1100 iostats(
1101 	struct parse *pcmd,
1102 	FILE *fp
1103 	)
1104 {
1105 	struct info_io_stats *io;
1106 	size_t items;
1107 	size_t itemsize;
1108 	int res;
1109 
1110 again:
1111 	res = doquery(impl_ver, REQ_IO_STATS, 0, 0, 0, NULL, &items,
1112 		      &itemsize, (void *)&io, 0, sizeof(*io));
1113 
1114 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1115 		impl_ver = IMPL_XNTPD_OLD;
1116 		goto again;
1117 	}
1118 
1119 	if (res != 0)
1120 		return;
1121 
1122 	if (!check1item(items, fp))
1123 		return;
1124 
1125 	if (!checkitemsize(itemsize, sizeof(*io)))
1126 		return;
1127 
1128 	fprintf(fp, "time since reset:     %lu\n",
1129 		(u_long)ntohl(io->timereset));
1130 	fprintf(fp, "receive buffers:      %u\n",
1131 		(u_int)ntohs(io->totalrecvbufs));
1132 	fprintf(fp, "free receive buffers: %u\n",
1133 		(u_int)ntohs(io->freerecvbufs));
1134 	fprintf(fp, "used receive buffers: %u\n",
1135 		(u_int)ntohs(io->fullrecvbufs));
1136 	fprintf(fp, "low water refills:    %u\n",
1137 		(u_int)ntohs(io->lowwater));
1138 	fprintf(fp, "dropped packets:      %lu\n",
1139 		(u_long)ntohl(io->dropped));
1140 	fprintf(fp, "ignored packets:      %lu\n",
1141 		(u_long)ntohl(io->ignored));
1142 	fprintf(fp, "received packets:     %lu\n",
1143 		(u_long)ntohl(io->received));
1144 	fprintf(fp, "packets sent:         %lu\n",
1145 		(u_long)ntohl(io->sent));
1146 	fprintf(fp, "packets not sent:     %lu\n",
1147 		(u_long)ntohl(io->notsent));
1148 	fprintf(fp, "interrupts handled:   %lu\n",
1149 		(u_long)ntohl(io->interrupts));
1150 	fprintf(fp, "received by int:      %lu\n",
1151 		(u_long)ntohl(io->int_received));
1152 }
1153 
1154 
1155 /*
1156  * memstats - print peer memory statistics
1157  */
1158 /*ARGSUSED*/
1159 static void
1160 memstats(
1161 	struct parse *pcmd,
1162 	FILE *fp
1163 	)
1164 {
1165 	struct info_mem_stats *mem;
1166 	int i;
1167 	size_t items;
1168 	size_t itemsize;
1169 	int res;
1170 
1171 again:
1172 	res = doquery(impl_ver, REQ_MEM_STATS, 0, 0, 0, NULL, &items,
1173 		      &itemsize, (void *)&mem, 0, sizeof(*mem));
1174 
1175 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1176 		impl_ver = IMPL_XNTPD_OLD;
1177 		goto again;
1178 	}
1179 
1180 	if (res != 0)
1181 		return;
1182 
1183 	if (!check1item(items, fp))
1184 		return;
1185 
1186 	if (!checkitemsize(itemsize, sizeof(*mem)))
1187 		return;
1188 
1189 	fprintf(fp, "time since reset:     %lu\n",
1190 		(u_long)ntohl(mem->timereset));
1191 	fprintf(fp, "total peer memory:    %u\n",
1192 		(u_int)ntohs(mem->totalpeermem));
1193 	fprintf(fp, "free peer memory:     %u\n",
1194 		(u_int)ntohs(mem->freepeermem));
1195 	fprintf(fp, "calls to findpeer:    %lu\n",
1196 		(u_long)ntohl(mem->findpeer_calls));
1197 	fprintf(fp, "new peer allocations: %lu\n",
1198 		(u_long)ntohl(mem->allocations));
1199 	fprintf(fp, "peer demobilizations: %lu\n",
1200 		(u_long)ntohl(mem->demobilizations));
1201 
1202 	fprintf(fp, "hash table counts:   ");
1203 	for (i = 0; i < NTP_HASH_SIZE; i++) {
1204 		fprintf(fp, "%4d", (int)mem->hashcount[i]);
1205 		if ((i % 8) == 7 && i != (NTP_HASH_SIZE-1))
1206 			fprintf(fp, "\n                     ");
1207 	}
1208 	fprintf(fp, "\n");
1209 }
1210 
1211 
1212 
1213 /*
1214  * timerstats - print timer statistics
1215  */
1216 /*ARGSUSED*/
1217 static void
1218 timerstats(
1219 	struct parse *pcmd,
1220 	FILE *fp
1221 	)
1222 {
1223 	struct info_timer_stats *tim;
1224 	size_t items;
1225 	size_t itemsize;
1226 	int res;
1227 
1228 again:
1229 	res = doquery(impl_ver, REQ_TIMER_STATS, 0, 0, 0, NULL, &items,
1230 		      &itemsize, (void *)&tim, 0, sizeof(*tim));
1231 
1232 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1233 		impl_ver = IMPL_XNTPD_OLD;
1234 		goto again;
1235 	}
1236 
1237 	if (res != 0)
1238 		return;
1239 
1240 	if (!check1item(items, fp))
1241 		return;
1242 
1243 	if (!checkitemsize(itemsize, sizeof(*tim)))
1244 		return;
1245 
1246 	fprintf(fp, "time since reset:  %lu\n",
1247 		(u_long)ntohl(tim->timereset));
1248 	fprintf(fp, "alarms handled:    %lu\n",
1249 		(u_long)ntohl(tim->alarms));
1250 	fprintf(fp, "alarm overruns:    %lu\n",
1251 		(u_long)ntohl(tim->overflows));
1252 	fprintf(fp, "calls to transmit: %lu\n",
1253 		(u_long)ntohl(tim->xmtcalls));
1254 }
1255 
1256 
1257 /*
1258  * addpeer - configure an active mode association
1259  */
1260 static void
1261 addpeer(
1262 	struct parse *pcmd,
1263 	FILE *fp
1264 	)
1265 {
1266 	doconfig(pcmd, fp, MODE_ACTIVE, 0);
1267 }
1268 
1269 
1270 /*
1271  * addserver - configure a client mode association
1272  */
1273 static void
1274 addserver(
1275 	struct parse *pcmd,
1276 	FILE *fp
1277 	)
1278 {
1279 	doconfig(pcmd, fp, MODE_CLIENT, 0);
1280 }
1281 
1282 /*
1283  * addrefclock - configure a reference clock association
1284  */
1285 static void
1286 addrefclock(
1287 	struct parse *pcmd,
1288 	FILE *fp
1289 	)
1290 {
1291 	doconfig(pcmd, fp, MODE_CLIENT, 1);
1292 }
1293 
1294 /*
1295  * broadcast - configure a broadcast mode association
1296  */
1297 static void
1298 broadcast(
1299 	struct parse *pcmd,
1300 	FILE *fp
1301 	)
1302 {
1303 	doconfig(pcmd, fp, MODE_BROADCAST, 0);
1304 }
1305 
1306 
1307 /*
1308  * config - configure a new peer association
1309  */
1310 static void
1311 doconfig(
1312 	struct parse *pcmd,
1313 	FILE *fp,
1314 	int mode,
1315 	int refc
1316 	)
1317 {
1318 	struct conf_peer cpeer;
1319 	size_t items;
1320 	size_t itemsize;
1321 	const char *dummy;
1322 	u_long keyid;
1323 	u_int version;
1324 	u_char minpoll;
1325 	u_char maxpoll;
1326 	u_int flags;
1327 	u_char cmode;
1328 	int res;
1329 	int sendsize;
1330 	int numtyp;
1331 	long val;
1332 
1333 again:
1334 	keyid = 0;
1335 	version = 3;
1336 	flags = 0;
1337 	res = FALSE;
1338 	cmode = 0;
1339 	minpoll = NTP_MINDPOLL;
1340 	maxpoll = NTP_MAXDPOLL;
1341 	numtyp = 1;
1342 	if (refc)
1343 		numtyp = 5;
1344 
1345 	if (impl_ver == IMPL_XNTPD)
1346 		sendsize = sizeof(struct conf_peer);
1347 	else
1348 		sendsize = v4sizeof(struct conf_peer);
1349 
1350 	items = 1;
1351 	while (pcmd->nargs > (size_t)items) {
1352 		if (STREQ(pcmd->argval[items].string, "prefer"))
1353 			flags |= CONF_FLAG_PREFER;
1354 		else if (STREQ(pcmd->argval[items].string, "burst"))
1355 			flags |= CONF_FLAG_BURST;
1356 		else if (STREQ(pcmd->argval[items].string, "iburst"))
1357 			flags |= CONF_FLAG_IBURST;
1358 		else if (!refc && STREQ(pcmd->argval[items].string, "keyid"))
1359 			numtyp = 1;
1360 		else if (!refc && STREQ(pcmd->argval[items].string, "version"))
1361 			numtyp = 2;
1362 		else if (STREQ(pcmd->argval[items].string, "minpoll"))
1363 			numtyp = 3;
1364 		else if (STREQ(pcmd->argval[items].string, "maxpoll"))
1365 			numtyp = 4;
1366 		else {
1367 			if (!atoint(pcmd->argval[items].string, &val))
1368 				numtyp = 0;
1369 			switch (numtyp) {
1370 			case 1:
1371 				keyid = val;
1372 				numtyp = 2;
1373 				break;
1374 
1375 			case 2:
1376 				version = (u_int)val;
1377 				numtyp = 0;
1378 				break;
1379 
1380 			case 3:
1381 				minpoll = (u_char)val;
1382 				numtyp = 0;
1383 				break;
1384 
1385 			case 4:
1386 				maxpoll = (u_char)val;
1387 				numtyp = 0;
1388 				break;
1389 
1390 			case 5:
1391 				cmode = (u_char)val;
1392 				numtyp = 0;
1393 				break;
1394 
1395 			default:
1396 				fprintf(fp, "*** '%s' not understood\n",
1397 					pcmd->argval[items].string);
1398 				res = TRUE;
1399 				numtyp = 0;
1400 			}
1401 			if (val < 0) {
1402 				fprintf(stderr,
1403 					"*** Value '%s' should be unsigned\n",
1404 					pcmd->argval[items].string);
1405 				res = TRUE;
1406 			}
1407 		}
1408 		items++;
1409 	}
1410 	if (keyid > 0)
1411 		flags |= CONF_FLAG_AUTHENABLE;
1412 	if (version > NTP_VERSION || version < NTP_OLDVERSION) {
1413 		fprintf(fp, "***invalid version number: %u\n",
1414 			version);
1415 		res = TRUE;
1416 	}
1417 	if (minpoll < NTP_MINPOLL || minpoll > NTP_MAXPOLL ||
1418 	    maxpoll < NTP_MINPOLL || maxpoll > NTP_MAXPOLL ||
1419 	    minpoll > maxpoll) {
1420 		fprintf(fp, "***min/max-poll must be within %d..%d\n",
1421 			NTP_MINPOLL, NTP_MAXPOLL);
1422 		res = TRUE;
1423 	}
1424 
1425 	if (res)
1426 		return;
1427 
1428 	ZERO(cpeer);
1429 
1430 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1431 		cpeer.peeraddr = NSRCADR(&pcmd->argval[0].netnum);
1432 		if (impl_ver == IMPL_XNTPD)
1433 			cpeer.v6_flag = 0;
1434 	} else {
1435 		if (impl_ver == IMPL_XNTPD_OLD) {
1436 			fprintf(stderr,
1437 			    "***Server doesn't understand IPv6 addresses\n");
1438 			return;
1439 		}
1440 		cpeer.peeraddr6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
1441 		cpeer.v6_flag = 1;
1442 	}
1443 	cpeer.hmode = (u_char) mode;
1444 	cpeer.keyid = keyid;
1445 	cpeer.version = (u_char) version;
1446 	cpeer.minpoll = minpoll;
1447 	cpeer.maxpoll = maxpoll;
1448 	cpeer.flags = (u_char)flags;
1449 	cpeer.ttl = cmode;
1450 
1451 	res = doquery(impl_ver, REQ_CONFIG, 1, 1,
1452 		      sendsize, (char *)&cpeer, &items,
1453 		      &itemsize, &dummy, 0, sizeof(struct conf_peer));
1454 
1455 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1456 		impl_ver = IMPL_XNTPD_OLD;
1457 		goto again;
1458 	}
1459 
1460 	if (res == INFO_ERR_FMT) {
1461 		(void) fprintf(fp,
1462 		    "***Retrying command with old conf_peer size\n");
1463 		res = doquery(impl_ver, REQ_CONFIG, 1, 1,
1464 			      sizeof(struct old_conf_peer), (char *)&cpeer,
1465 			      &items, &itemsize, &dummy, 0,
1466 			      sizeof(struct conf_peer));
1467 	}
1468 	if (res == 0)
1469 	    (void) fprintf(fp, "done!\n");
1470 	return;
1471 }
1472 
1473 
1474 /*
1475  * unconfig - unconfigure some associations
1476  */
1477 static void
1478 unconfig(
1479 	struct parse *pcmd,
1480 	FILE *fp
1481 	)
1482 {
1483 	/* 8 is the maximum number of peers which will fit in a packet */
1484 	struct conf_unpeer *pl, plist[min(MAXARGS, 8)];
1485 	size_t qitemlim;
1486 	size_t qitems;
1487 	size_t items;
1488 	size_t itemsize;
1489 	const char *dummy;
1490 	int res;
1491 	size_t sendsize;
1492 
1493 again:
1494 	if (impl_ver == IMPL_XNTPD)
1495 		sendsize = sizeof(struct conf_unpeer);
1496 	else
1497 		sendsize = v4sizeof(struct conf_unpeer);
1498 
1499 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
1500 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
1501 		if (IS_IPV4(&pcmd->argval[0].netnum)) {
1502 			pl->peeraddr = NSRCADR(&pcmd->argval[qitems].netnum);
1503 			if (impl_ver == IMPL_XNTPD)
1504 				pl->v6_flag = 0;
1505 		} else {
1506 			if (impl_ver == IMPL_XNTPD_OLD) {
1507 				fprintf(stderr,
1508 				    "***Server doesn't understand IPv6 addresses\n");
1509 				return;
1510 			}
1511 			pl->peeraddr6 =
1512 			    SOCK_ADDR6(&pcmd->argval[qitems].netnum);
1513 			pl->v6_flag = 1;
1514 		}
1515 		pl = (void *)((char *)pl + sendsize);
1516 	}
1517 
1518 	res = doquery(impl_ver, REQ_UNCONFIG, 1, qitems,
1519 		      sendsize, (char *)plist, &items,
1520 		      &itemsize, &dummy, 0, sizeof(struct conf_unpeer));
1521 
1522 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1523 		impl_ver = IMPL_XNTPD_OLD;
1524 		goto again;
1525 	}
1526 
1527 	if (res == 0)
1528 	    (void) fprintf(fp, "done!\n");
1529 }
1530 
1531 
1532 /*
1533  * set - set some system flags
1534  */
1535 static void
1536 set(
1537 	struct parse *pcmd,
1538 	FILE *fp
1539 	)
1540 {
1541 	doset(pcmd, fp, REQ_SET_SYS_FLAG);
1542 }
1543 
1544 
1545 /*
1546  * clear - clear some system flags
1547  */
1548 static void
1549 sys_clear(
1550 	struct parse *pcmd,
1551 	FILE *fp
1552 	)
1553 {
1554 	doset(pcmd, fp, REQ_CLR_SYS_FLAG);
1555 }
1556 
1557 
1558 /*
1559  * doset - set/clear system flags
1560  */
1561 static void
1562 doset(
1563 	struct parse *pcmd,
1564 	FILE *fp,
1565 	int req
1566 	)
1567 {
1568 	struct conf_sys_flags sys;
1569 	size_t items;
1570 	size_t itemsize;
1571 	const char *dummy;
1572 	int res;
1573 
1574 	sys.flags = 0;
1575 	res = 0;
1576 	for (items = 0; (size_t)items < pcmd->nargs; items++) {
1577 		if (STREQ(pcmd->argval[items].string, "auth"))
1578 			sys.flags |= SYS_FLAG_AUTH;
1579 		else if (STREQ(pcmd->argval[items].string, "bclient"))
1580 			sys.flags |= SYS_FLAG_BCLIENT;
1581 		else if (STREQ(pcmd->argval[items].string, "calibrate"))
1582 			sys.flags |= SYS_FLAG_CAL;
1583 		else if (STREQ(pcmd->argval[items].string, "kernel"))
1584 			sys.flags |= SYS_FLAG_KERNEL;
1585 		else if (STREQ(pcmd->argval[items].string, "monitor"))
1586 			sys.flags |= SYS_FLAG_MONITOR;
1587 		else if (STREQ(pcmd->argval[items].string, "ntp"))
1588 			sys.flags |= SYS_FLAG_NTP;
1589 		else if (STREQ(pcmd->argval[items].string, "pps"))
1590 			sys.flags |= SYS_FLAG_PPS;
1591 		else if (STREQ(pcmd->argval[items].string, "stats"))
1592 			sys.flags |= SYS_FLAG_FILEGEN;
1593 		else {
1594 			(void) fprintf(fp, "Unknown flag %s\n",
1595 			    pcmd->argval[items].string);
1596 			res = 1;
1597 		}
1598 	}
1599 
1600 	sys.flags = htonl(sys.flags);
1601 	if (res || sys.flags == 0)
1602 	    return;
1603 
1604 again:
1605 	res = doquery(impl_ver, req, 1, 1,
1606 		      sizeof(struct conf_sys_flags), (char *)&sys, &items,
1607 		      &itemsize, &dummy, 0, sizeof(struct conf_sys_flags));
1608 
1609 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1610 		impl_ver = IMPL_XNTPD_OLD;
1611 		goto again;
1612 	}
1613 
1614 	if (res == 0)
1615 	    (void) fprintf(fp, "done!\n");
1616 }
1617 
1618 
1619 /*
1620  * data for printing/interrpreting the restrict flags
1621  */
1622 struct resflags {
1623   const char *str;
1624 	int bit;
1625 };
1626 
1627 /* XXX: HMS: we apparently don't report set bits we do not recognize. */
1628 
1629 static struct resflags resflagsV2[] = {
1630 	{ "ignore",	0x001 },
1631 	{ "noserve",	0x002 },
1632 	{ "notrust",	0x004 },
1633 	{ "noquery",	0x008 },
1634 	{ "nomodify",	0x010 },
1635 	{ "nopeer",	0x020 },
1636 	{ "notrap",	0x040 },
1637 	{ "lptrap",	0x080 },
1638 	{ "limited",	0x100 },
1639 	{ "",		0 }
1640 };
1641 
1642 static struct resflags resflagsV3[] = {
1643 	{ "ignore",	RES_IGNORE },
1644 	{ "noserve",	RES_DONTSERVE },
1645 	{ "notrust",	RES_DONTTRUST },
1646 	{ "noquery",	RES_NOQUERY },
1647 	{ "nomodify",	RES_NOMODIFY },
1648 	{ "nopeer",	RES_NOPEER },
1649 	{ "notrap",	RES_NOTRAP },
1650 	{ "lptrap",	RES_LPTRAP },
1651 	{ "limited",	RES_LIMITED },
1652 	{ "version",	RES_VERSION },
1653 	{ "kod",	RES_KOD },
1654 	{ "flake",	RES_FLAKE },
1655 
1656 	{ "",		0 }
1657 };
1658 
1659 static struct resflags resmflags[] = {
1660 	{ "ntpport",	RESM_NTPONLY },
1661 	{ "interface",	RESM_INTERFACE },
1662 	{ "source",	RESM_SOURCE },
1663 	{ "",		0 }
1664 };
1665 
1666 
1667 /*
1668  * reslist - obtain and print the server's restrict list
1669  */
1670 /*ARGSUSED*/
1671 static void
1672 reslist(
1673 	struct parse *pcmd,
1674 	FILE *fp
1675 	)
1676 {
1677 	struct info_restrict *rl;
1678 	sockaddr_u resaddr;
1679 	sockaddr_u maskaddr;
1680 	size_t items;
1681 	size_t itemsize;
1682 	int res;
1683 	int skip;
1684 	const char *addr;
1685 	const char *mask;
1686 	struct resflags *rf;
1687 	u_int32 count;
1688 	u_short flags;
1689 	u_short mflags;
1690 	char flagstr[300];
1691 	static const char *comma = ", ";
1692 
1693 again:
1694 	res = doquery(impl_ver, REQ_GET_RESTRICT, 0, 0, 0, (char *)NULL,
1695 		      &items, &itemsize, (void *)&rl, 0,
1696 		      sizeof(struct info_restrict));
1697 
1698 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1699 		impl_ver = IMPL_XNTPD_OLD;
1700 		goto again;
1701 	}
1702 
1703 	if (res != 0)
1704 		return;
1705 
1706 	if (!checkitems(items, fp))
1707 		return;
1708 
1709 	if (!checkitemsize(itemsize, sizeof(struct info_restrict)) &&
1710 	    !checkitemsize(itemsize, v4sizeof(struct info_restrict)))
1711 		return;
1712 
1713 	fprintf(fp,
1714 		"   address          mask            count        flags\n");
1715 	fprintf(fp,
1716 		"=====================================================================\n");
1717 
1718 	while (items > 0) {
1719 		SET_ADDRS(resaddr, maskaddr, rl, addr, mask);
1720 		if (rl->v6_flag != 0) {
1721 			addr = nntohost(&resaddr);
1722 		} else {
1723 			if (rl->mask == (u_int32)0xffffffff)
1724 				addr = nntohost(&resaddr);
1725 			else
1726 				addr = stoa(&resaddr);
1727 		}
1728 		mask = stoa(&maskaddr);
1729 		skip = 1;
1730 		if ((pcmd->nargs == 0) ||
1731 		    ((pcmd->argval->ival == 6) && (rl->v6_flag != 0)) ||
1732 		    ((pcmd->argval->ival == 4) && (rl->v6_flag == 0)))
1733 			skip = 0;
1734 		count = ntohl(rl->count);
1735 		flags = ntohs(rl->flags);
1736 		mflags = ntohs(rl->mflags);
1737 		flagstr[0] = '\0';
1738 
1739 		res = 1;
1740 		rf = &resmflags[0];
1741 		while (rf->bit != 0) {
1742 			if (mflags & rf->bit) {
1743 				if (!res)
1744 					strlcat(flagstr, comma,
1745 						sizeof(flagstr));
1746 				res = 0;
1747 				strlcat(flagstr, rf->str,
1748 					sizeof(flagstr));
1749 			}
1750 			rf++;
1751 		}
1752 
1753 		rf = (impl_ver == IMPL_XNTPD_OLD)
1754 			 ? &resflagsV2[0]
1755 			 : &resflagsV3[0];
1756 
1757 		while (rf->bit != 0) {
1758 			if (flags & rf->bit) {
1759 				if (!res)
1760 					strlcat(flagstr, comma,
1761 						sizeof(flagstr));
1762 				res = 0;
1763 				strlcat(flagstr, rf->str,
1764 					sizeof(flagstr));
1765 			}
1766 			rf++;
1767 		}
1768 
1769 		if (flagstr[0] == '\0')
1770 			strlcpy(flagstr, "none", sizeof(flagstr));
1771 
1772 		if (!skip)
1773 			fprintf(fp, "%-15.15s %-15.15s %9lu  %s\n",
1774 				addr, mask, (u_long)count, flagstr);
1775 		rl++;
1776 		items--;
1777 	}
1778 }
1779 
1780 
1781 
1782 /*
1783  * new_restrict - create/add a set of restrictions
1784  */
1785 static void
1786 new_restrict(
1787 	struct parse *pcmd,
1788 	FILE *fp
1789 	)
1790 {
1791 	do_restrict(pcmd, fp, REQ_RESADDFLAGS);
1792 }
1793 
1794 
1795 /*
1796  * unrestrict - remove restriction flags from existing entry
1797  */
1798 static void
1799 unrestrict(
1800 	struct parse *pcmd,
1801 	FILE *fp
1802 	)
1803 {
1804 	do_restrict(pcmd, fp, REQ_RESSUBFLAGS);
1805 }
1806 
1807 
1808 /*
1809  * delrestrict - delete an existing restriction
1810  */
1811 static void
1812 delrestrict(
1813 	struct parse *pcmd,
1814 	FILE *fp
1815 	)
1816 {
1817 	do_restrict(pcmd, fp, REQ_UNRESTRICT);
1818 }
1819 
1820 
1821 /*
1822  * do_restrict - decode commandline restrictions and make the request
1823  */
1824 static void
1825 do_restrict(
1826 	struct parse *pcmd,
1827 	FILE *fp,
1828 	int req_code
1829 	)
1830 {
1831 	struct conf_restrict cres;
1832 	size_t items;
1833 	size_t itemsize;
1834 	const char *dummy;
1835 	u_int32 num;
1836 	u_long bit;
1837 	int i;
1838 	size_t res;
1839 	int err;
1840 	int sendsize;
1841 
1842 	/* Initialize cres */
1843 	cres.addr = 0;
1844 	cres.mask = 0;
1845 	cres.flags = 0;
1846 	cres.mflags = 0;
1847 	cres.v6_flag = 0;
1848 
1849 again:
1850 	if (impl_ver == IMPL_XNTPD)
1851 		sendsize = sizeof(struct conf_restrict);
1852 	else
1853 		sendsize = v4sizeof(struct conf_restrict);
1854 
1855 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1856 		cres.addr = NSRCADR(&pcmd->argval[0].netnum);
1857 		cres.mask = NSRCADR(&pcmd->argval[1].netnum);
1858 		if (impl_ver == IMPL_XNTPD)
1859 			cres.v6_flag = 0;
1860 	} else {
1861 		if (impl_ver == IMPL_XNTPD_OLD) {
1862 			fprintf(stderr,
1863 				"***Server doesn't understand IPv6 addresses\n");
1864 			return;
1865 		}
1866 		cres.addr6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
1867 		cres.v6_flag = 1;
1868 	}
1869 	cres.flags = 0;
1870 	cres.mflags = 0;
1871 	err = FALSE;
1872 	for (res = 2; res < pcmd->nargs; res++) {
1873 		if (STREQ(pcmd->argval[res].string, "ntpport")) {
1874 			cres.mflags |= RESM_NTPONLY;
1875 		} else {
1876 			for (i = 0; resflagsV3[i].bit != 0; i++) {
1877 				if (STREQ(pcmd->argval[res].string,
1878 					  resflagsV3[i].str))
1879 					break;
1880 			}
1881 			if (resflagsV3[i].bit != 0) {
1882 				cres.flags |= resflagsV3[i].bit;
1883 				if (req_code == REQ_UNRESTRICT) {
1884 					fprintf(fp,
1885 						"Flag %s inappropriate\n",
1886 						resflagsV3[i].str);
1887 					err = TRUE;
1888 				}
1889 			} else {
1890 				fprintf(fp, "Unknown flag %s\n",
1891 					pcmd->argval[res].string);
1892 				err = TRUE;
1893 			}
1894 		}
1895 	}
1896 	cres.flags = htons(cres.flags);
1897 	cres.mflags = htons(cres.mflags);
1898 
1899 	/*
1900 	 * Make sure mask for default address is zero.  Otherwise,
1901 	 * make sure mask bits are contiguous.
1902 	 */
1903 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1904 		if (cres.addr == 0) {
1905 			cres.mask = 0;
1906 		} else {
1907 			num = ntohl(cres.mask);
1908 			for (bit = 0x80000000; bit != 0; bit >>= 1)
1909 				if ((num & bit) == 0)
1910 					break;
1911 			for ( ; bit != 0; bit >>= 1)
1912 				if ((num & bit) != 0)
1913 					break;
1914 			if (bit != 0) {
1915 				fprintf(fp, "Invalid mask %s\n",
1916 					numtoa(cres.mask));
1917 				err = TRUE;
1918 			}
1919 		}
1920 	} else {
1921 		/* XXX IPv6 sanity checking stuff */
1922 	}
1923 
1924 	if (err)
1925 		return;
1926 
1927 	res = doquery(impl_ver, req_code, 1, 1, sendsize, (char *)&cres,
1928 		      &items, &itemsize, &dummy, 0, sizeof(cres));
1929 
1930 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1931 		impl_ver = IMPL_XNTPD_OLD;
1932 		goto again;
1933 	}
1934 
1935 	if (res == 0)
1936 	    (void) fprintf(fp, "done!\n");
1937 	return;
1938 }
1939 
1940 
1941 /*
1942  * monlist - obtain and print the server's monitor data
1943  */
1944 /*ARGSUSED*/
1945 static void
1946 monlist(
1947 	struct parse *pcmd,
1948 	FILE *fp
1949 	)
1950 {
1951 	const char *struct_star;
1952 	const struct info_monitor *ml;
1953 	const struct info_monitor_1 *m1;
1954 	const struct old_info_monitor *oml;
1955 	sockaddr_u addr;
1956 	sockaddr_u dstadr;
1957 	size_t items;
1958 	size_t itemsize;
1959 	int res;
1960 	int version = -1;
1961 
1962 	if (pcmd->nargs > 0)
1963 		version = pcmd->argval[0].ival;
1964 
1965 again:
1966 	res = doquery(impl_ver,
1967 		      (version == 1 || version == -1) ? REQ_MON_GETLIST_1 :
1968 		      REQ_MON_GETLIST, 0, 0, 0, NULL,
1969 		      &items, &itemsize, &struct_star,
1970 		      (version < 0) ? (1 << INFO_ERR_REQ) : 0,
1971 		      sizeof(struct info_monitor_1));
1972 
1973 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1974 		impl_ver = IMPL_XNTPD_OLD;
1975 		goto again;
1976 	}
1977 
1978 	if (res == INFO_ERR_REQ && version < 0)
1979 		res = doquery(impl_ver, REQ_MON_GETLIST, 0, 0, 0, NULL,
1980 			      &items, &itemsize, &struct_star, 0,
1981 			      sizeof(struct info_monitor));
1982 
1983 	if (res != 0)
1984 		return;
1985 
1986 	if (!checkitems(items, fp))
1987 		return;
1988 
1989 	if (itemsize == sizeof(struct info_monitor_1) ||
1990 	    itemsize == v4sizeof(struct info_monitor_1)) {
1991 
1992 	    m1 = (const void*)struct_star;
1993 		fprintf(fp,
1994 			"remote address          port local address      count m ver rstr avgint  lstint\n");
1995 		fprintf(fp,
1996 			"===============================================================================\n");
1997 		while (items > 0) {
1998 			SET_ADDRS(dstadr, addr, m1, daddr, addr);
1999 			if ((pcmd->nargs == 0) ||
2000 			    ((pcmd->argval->ival == 6) && (m1->v6_flag != 0)) ||
2001 			    ((pcmd->argval->ival == 4) && (m1->v6_flag == 0)))
2002 				fprintf(fp,
2003 				    "%-22.22s %5d %-15s %8lu %1u %1u %6lx %6lu %7lu\n",
2004 				    nntohost(&addr),
2005 				    ntohs(m1->port),
2006 				    stoa(&dstadr),
2007 				    (u_long)ntohl(m1->count),
2008 				    m1->mode,
2009 				    m1->version,
2010 				    (u_long)ntohl(m1->restr),
2011 				    (u_long)ntohl(m1->avg_int),
2012 				    (u_long)ntohl(m1->last_int));
2013 			m1++;
2014 			items--;
2015 		}
2016 	} else if (itemsize == sizeof(struct info_monitor) ||
2017 	    itemsize == v4sizeof(struct info_monitor)) {
2018 
2019 		ml = (const void *)struct_star;
2020 		fprintf(fp,
2021 			"     address               port     count mode ver rstr avgint  lstint\n");
2022 		fprintf(fp,
2023 			"===============================================================================\n");
2024 		while (items > 0) {
2025 			SET_ADDR(dstadr, ml->v6_flag, ml->addr, ml->addr6);
2026 			if ((pcmd->nargs == 0) ||
2027 			    ((pcmd->argval->ival == 6) && (ml->v6_flag != 0)) ||
2028 			    ((pcmd->argval->ival == 4) && (ml->v6_flag == 0)))
2029 				fprintf(fp,
2030 				    "%-25.25s %5u %9lu %4u %2u %9lx %9lu %9lu\n",
2031 				    nntohost(&dstadr),
2032 				    ntohs(ml->port),
2033 				    (u_long)ntohl(ml->count),
2034 				    ml->mode,
2035 				    ml->version,
2036 				    (u_long)ntohl(ml->restr),
2037 				    (u_long)ntohl(ml->avg_int),
2038 				    (u_long)ntohl(ml->last_int));
2039 			ml++;
2040 			items--;
2041 		}
2042 	} else if (itemsize == sizeof(struct old_info_monitor)) {
2043 
2044 		oml = (const void *)struct_star;
2045 		fprintf(fp,
2046 			"     address          port     count  mode version  lasttime firsttime\n");
2047 		fprintf(fp,
2048 			"======================================================================\n");
2049 		while (items > 0) {
2050 			SET_ADDR(dstadr, oml->v6_flag, oml->addr, oml->addr6);
2051 			fprintf(fp, "%-20.20s %5u %9lu %4u   %3u %9lu %9lu\n",
2052 				nntohost(&dstadr),
2053 				ntohs(oml->port),
2054 				(u_long)ntohl(oml->count),
2055 				oml->mode,
2056 				oml->version,
2057 				(u_long)ntohl(oml->lasttime),
2058 				(u_long)ntohl(oml->firsttime));
2059 			oml++;
2060 			items--;
2061 		}
2062 	} else {
2063 		/* issue warning according to new info_monitor size */
2064 		checkitemsize(itemsize, sizeof(struct info_monitor));
2065 	}
2066 }
2067 
2068 
2069 /*
2070  * Mapping between command line strings and stat reset flags
2071  */
2072 struct statreset {
2073 	const char * const	str;
2074 	const int		flag;
2075 } sreset[] = {
2076 	{ "allpeers",	RESET_FLAG_ALLPEERS },
2077 	{ "io",		RESET_FLAG_IO },
2078 	{ "sys",	RESET_FLAG_SYS },
2079 	{ "mem",	RESET_FLAG_MEM },
2080 	{ "timer",	RESET_FLAG_TIMER },
2081 	{ "auth",	RESET_FLAG_AUTH },
2082 	{ "ctl",	RESET_FLAG_CTL },
2083 	{ "",		0 }
2084 };
2085 
2086 /*
2087  * reset - reset statistic counters
2088  */
2089 static void
2090 reset(
2091 	struct parse *pcmd,
2092 	FILE *fp
2093 	)
2094 {
2095 	struct reset_flags rflags;
2096 	size_t items;
2097 	size_t itemsize;
2098 	const char *dummy;
2099 	int i;
2100 	size_t res;
2101 	int err;
2102 
2103 	err = 0;
2104 	rflags.flags = 0;
2105 	for (res = 0; res < pcmd->nargs; res++) {
2106 		for (i = 0; sreset[i].flag != 0; i++) {
2107 			if (STREQ(pcmd->argval[res].string, sreset[i].str))
2108 				break;
2109 		}
2110 		if (sreset[i].flag == 0) {
2111 			fprintf(fp, "Flag %s unknown\n",
2112 				pcmd->argval[res].string);
2113 			err = 1;
2114 		} else {
2115 			rflags.flags |= sreset[i].flag;
2116 		}
2117 	}
2118 	rflags.flags = htonl(rflags.flags);
2119 
2120 	if (err) {
2121 		(void) fprintf(fp, "Not done due to errors\n");
2122 		return;
2123 	}
2124 
2125 again:
2126 	res = doquery(impl_ver, REQ_RESET_STATS, 1, 1,
2127 		      sizeof(struct reset_flags), (char *)&rflags, &items,
2128 		      &itemsize, &dummy, 0, sizeof(struct reset_flags));
2129 
2130 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2131 		impl_ver = IMPL_XNTPD_OLD;
2132 		goto again;
2133 	}
2134 
2135 	if (res == 0)
2136 	    (void) fprintf(fp, "done!\n");
2137 	return;
2138 }
2139 
2140 
2141 
2142 /*
2143  * preset - reset stat counters for particular peers
2144  */
2145 static void
2146 preset(
2147 	struct parse *pcmd,
2148 	FILE *fp
2149 	)
2150 {
2151 	/* 8 is the maximum number of peers which will fit in a packet */
2152 	struct conf_unpeer *pl, plist[min(MAXARGS, 8)];
2153 	size_t qitemlim;
2154 	size_t qitems;
2155 	size_t items;
2156 	size_t itemsize;
2157 	const char *dummy;
2158 	int res;
2159 	size_t sendsize;
2160 
2161 again:
2162 	if (impl_ver == IMPL_XNTPD)
2163 		sendsize = sizeof(struct conf_unpeer);
2164 	else
2165 		sendsize = v4sizeof(struct conf_unpeer);
2166 
2167 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
2168 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
2169 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
2170 			pl->peeraddr = NSRCADR(&pcmd->argval[qitems].netnum);
2171 			if (impl_ver == IMPL_XNTPD)
2172 				pl->v6_flag = 0;
2173 		} else {
2174 			if (impl_ver == IMPL_XNTPD_OLD) {
2175 				fprintf(stderr,
2176 				    "***Server doesn't understand IPv6 addresses\n");
2177 				return;
2178 			}
2179 			pl->peeraddr6 =
2180 			    SOCK_ADDR6(&pcmd->argval[qitems].netnum);
2181 			pl->v6_flag = 1;
2182 		}
2183 		pl = (void *)((char *)pl + sendsize);
2184 	}
2185 
2186 	res = doquery(impl_ver, REQ_RESET_PEER, 1, qitems,
2187 		      sendsize, (char *)plist, &items,
2188 		      &itemsize, &dummy, 0, sizeof(struct conf_unpeer));
2189 
2190 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2191 		impl_ver = IMPL_XNTPD_OLD;
2192 		goto again;
2193 	}
2194 
2195 	if (res == 0)
2196 	    (void) fprintf(fp, "done!\n");
2197 }
2198 
2199 
2200 /*
2201  * readkeys - request the server to reread the keys file
2202  */
2203 /*ARGSUSED*/
2204 static void
2205 readkeys(
2206 	struct parse *pcmd,
2207 	FILE *fp
2208 	)
2209 {
2210 	size_t items;
2211 	size_t itemsize;
2212 	const char *dummy;
2213 	int res;
2214 
2215 again:
2216 	res = doquery(impl_ver, REQ_REREAD_KEYS, 1, 0, 0, (char *)0,
2217 		      &items, &itemsize, &dummy, 0, sizeof(dummy));
2218 
2219 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2220 		impl_ver = IMPL_XNTPD_OLD;
2221 		goto again;
2222 	}
2223 
2224 	if (res == 0)
2225 	    (void) fprintf(fp, "done!\n");
2226 	return;
2227 }
2228 
2229 
2230 /*
2231  * trustkey - add some keys to the trusted key list
2232  */
2233 static void
2234 trustkey(
2235 	struct parse *pcmd,
2236 	FILE *fp
2237 	)
2238 {
2239 	do_trustkey(pcmd, fp, REQ_TRUSTKEY);
2240 }
2241 
2242 
2243 /*
2244  * untrustkey - remove some keys from the trusted key list
2245  */
2246 static void
2247 untrustkey(
2248 	struct parse *pcmd,
2249 	FILE *fp
2250 	)
2251 {
2252 	do_trustkey(pcmd, fp, REQ_UNTRUSTKEY);
2253 }
2254 
2255 
2256 /*
2257  * do_trustkey - do grunge work of adding/deleting keys
2258  */
2259 static void
2260 do_trustkey(
2261 	struct parse *pcmd,
2262 	FILE *fp,
2263 	int req
2264 	)
2265 {
2266 	u_long keyids[MAXARGS];
2267 	size_t i;
2268 	size_t items;
2269 	size_t itemsize;
2270 	const char *dummy;
2271 	int ritems;
2272 	int res;
2273 
2274 	ritems = 0;
2275 	for (i = 0; i < pcmd->nargs; i++) {
2276 		keyids[ritems++] = pcmd->argval[i].uval;
2277 	}
2278 
2279 again:
2280 	res = doquery(impl_ver, req, 1, ritems, sizeof(u_long),
2281 		      (char *)keyids, &items, &itemsize, &dummy, 0,
2282 		      sizeof(dummy));
2283 
2284 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2285 		impl_ver = IMPL_XNTPD_OLD;
2286 		goto again;
2287 	}
2288 
2289 	if (res == 0)
2290 	    (void) fprintf(fp, "done!\n");
2291 	return;
2292 }
2293 
2294 
2295 
2296 /*
2297  * authinfo - obtain and print info about authentication
2298  */
2299 /*ARGSUSED*/
2300 static void
2301 authinfo(
2302 	struct parse *pcmd,
2303 	FILE *fp
2304 	)
2305 {
2306 	struct info_auth *ia;
2307 	size_t items;
2308 	size_t itemsize;
2309 	int res;
2310 
2311 again:
2312 	res = doquery(impl_ver, REQ_AUTHINFO, 0, 0, 0, NULL, &items,
2313 		      &itemsize, (void *)&ia, 0, sizeof(*ia));
2314 
2315 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2316 		impl_ver = IMPL_XNTPD_OLD;
2317 		goto again;
2318 	}
2319 
2320 	if (res != 0)
2321 		return;
2322 
2323 	if (!check1item(items, fp))
2324 		return;
2325 
2326 	if (!checkitemsize(itemsize, sizeof(*ia)))
2327 		return;
2328 
2329 	fprintf(fp, "time since reset:     %lu\n",
2330 		(u_long)ntohl(ia->timereset));
2331 	fprintf(fp, "stored keys:          %lu\n",
2332 		(u_long)ntohl(ia->numkeys));
2333 	fprintf(fp, "free keys:            %lu\n",
2334 		(u_long)ntohl(ia->numfreekeys));
2335 	fprintf(fp, "key lookups:          %lu\n",
2336 		(u_long)ntohl(ia->keylookups));
2337 	fprintf(fp, "keys not found:       %lu\n",
2338 		(u_long)ntohl(ia->keynotfound));
2339 	fprintf(fp, "uncached keys:        %lu\n",
2340 		(u_long)ntohl(ia->keyuncached));
2341 	fprintf(fp, "encryptions:          %lu\n",
2342 		(u_long)ntohl(ia->encryptions));
2343 	fprintf(fp, "decryptions:          %lu\n",
2344 		(u_long)ntohl(ia->decryptions));
2345 	fprintf(fp, "expired keys:         %lu\n",
2346 		(u_long)ntohl(ia->expired));
2347 }
2348 
2349 
2350 
2351 /*
2352  * traps - obtain and print a list of traps
2353  */
2354 /*ARGSUSED*/
2355 static void
2356 traps(
2357 	struct parse *pcmd,
2358 	FILE *fp
2359 	)
2360 {
2361 	size_t i;
2362 	struct info_trap *it;
2363 	sockaddr_u trap_addr, local_addr;
2364 	size_t items;
2365 	size_t itemsize;
2366 	int res;
2367 
2368 again:
2369 	res = doquery(impl_ver, REQ_TRAPS, 0, 0, 0, NULL, &items,
2370 		      &itemsize, (void *)&it, 0, sizeof(*it));
2371 
2372 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2373 		impl_ver = IMPL_XNTPD_OLD;
2374 		goto again;
2375 	}
2376 
2377 	if (res != 0)
2378 		return;
2379 
2380 	if (!checkitems(items, fp))
2381 		return;
2382 
2383 	if (!checkitemsize(itemsize, sizeof(struct info_trap)) &&
2384 	    !checkitemsize(itemsize, v4sizeof(struct info_trap)))
2385 		return;
2386 
2387 	for (i = 0; i < items; i++ ) {
2388 		SET_ADDRS(trap_addr, local_addr, it, trap_address, local_address);
2389 		fprintf(fp, "%saddress %s, port %d\n",
2390 			(0 == i)
2391 			    ? ""
2392 			    : "\n",
2393 			stoa(&trap_addr), ntohs(it->trap_port));
2394 		fprintf(fp, "interface: %s, ",
2395 			(0 == it->local_address)
2396 			    ? "wildcard"
2397 			    : stoa(&local_addr));
2398 		if (ntohl(it->flags) & TRAP_CONFIGURED)
2399 			fprintf(fp, "configured\n");
2400 		else if (ntohl(it->flags) & TRAP_NONPRIO)
2401 			fprintf(fp, "low priority\n");
2402 		else
2403 			fprintf(fp, "normal priority\n");
2404 
2405 		fprintf(fp, "set for %ld secs, last set %ld secs ago\n",
2406 			(long)ntohl(it->origtime),
2407 			(long)ntohl(it->settime));
2408 		fprintf(fp, "sequence %d, number of resets %ld\n",
2409 			ntohs(it->sequence), (long)ntohl(it->resets));
2410 	}
2411 }
2412 
2413 
2414 /*
2415  * addtrap - configure a trap
2416  */
2417 static void
2418 addtrap(
2419 	struct parse *pcmd,
2420 	FILE *fp
2421 	)
2422 {
2423 	do_addclr_trap(pcmd, fp, REQ_ADD_TRAP);
2424 }
2425 
2426 
2427 /*
2428  * clrtrap - clear a trap from the server
2429  */
2430 static void
2431 clrtrap(
2432 	struct parse *pcmd,
2433 	FILE *fp
2434 	)
2435 {
2436 	do_addclr_trap(pcmd, fp, REQ_CLR_TRAP);
2437 }
2438 
2439 
2440 /*
2441  * do_addclr_trap - do grunge work of adding/deleting traps
2442  */
2443 static void
2444 do_addclr_trap(
2445 	struct parse *pcmd,
2446 	FILE *fp,
2447 	int req
2448 	)
2449 {
2450 	struct conf_trap ctrap;
2451 	size_t items;
2452 	size_t itemsize;
2453 	const char *dummy;
2454 	int res;
2455 	int sendsize;
2456 
2457 again:
2458 	if (impl_ver == IMPL_XNTPD)
2459 		sendsize = sizeof(struct conf_trap);
2460 	else
2461 		sendsize = v4sizeof(struct conf_trap);
2462 
2463 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
2464 		ctrap.trap_address = NSRCADR(&pcmd->argval[0].netnum);
2465 		if (impl_ver == IMPL_XNTPD)
2466 			ctrap.v6_flag = 0;
2467 	} else {
2468 		if (impl_ver == IMPL_XNTPD_OLD) {
2469 			fprintf(stderr,
2470 			    "***Server doesn't understand IPv6 addresses\n");
2471 			return;
2472 		}
2473 		ctrap.trap_address6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
2474 		ctrap.v6_flag = 1;
2475 	}
2476 	ctrap.local_address = 0;
2477 	ctrap.trap_port = htons(TRAPPORT);
2478 	ctrap.unused = 0;
2479 
2480 	if (pcmd->nargs > 1) {
2481 		ctrap.trap_port	= htons((u_short)pcmd->argval[1].uval);
2482 		if (pcmd->nargs > 2) {
2483 			if (AF(&pcmd->argval[2].netnum) !=
2484 			    AF(&pcmd->argval[0].netnum)) {
2485 				fprintf(stderr,
2486 				    "***Cannot mix IPv4 and IPv6 addresses\n");
2487 				return;
2488 			}
2489 			if (IS_IPV4(&pcmd->argval[2].netnum))
2490 				ctrap.local_address = NSRCADR(&pcmd->argval[2].netnum);
2491 			else
2492 				ctrap.local_address6 = SOCK_ADDR6(&pcmd->argval[2].netnum);
2493 		}
2494 	}
2495 
2496 	res = doquery(impl_ver, req, 1, 1, sendsize,
2497 		      (char *)&ctrap, &items, &itemsize, &dummy, 0,
2498 		      sizeof(struct conf_trap));
2499 
2500 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2501 		impl_ver = IMPL_XNTPD_OLD;
2502 		goto again;
2503 	}
2504 
2505 	if (res == 0)
2506 	    (void) fprintf(fp, "done!\n");
2507 	return;
2508 }
2509 
2510 
2511 
2512 /*
2513  * requestkey - change the server's request key (a dangerous request)
2514  */
2515 static void
2516 requestkey(
2517 	struct parse *pcmd,
2518 	FILE *fp
2519 	)
2520 {
2521 	do_changekey(pcmd, fp, REQ_REQUEST_KEY);
2522 }
2523 
2524 
2525 /*
2526  * controlkey - change the server's control key
2527  */
2528 static void
2529 controlkey(
2530 	struct parse *pcmd,
2531 	FILE *fp
2532 	)
2533 {
2534 	do_changekey(pcmd, fp, REQ_CONTROL_KEY);
2535 }
2536 
2537 
2538 
2539 /*
2540  * do_changekey - do grunge work of changing keys
2541  */
2542 static void
2543 do_changekey(
2544 	struct parse *pcmd,
2545 	FILE *fp,
2546 	int req
2547 	)
2548 {
2549 	u_long key;
2550 	size_t items;
2551 	size_t itemsize;
2552 	const char *dummy;
2553 	int res;
2554 
2555 
2556 	key = htonl((u_int32)pcmd->argval[0].uval);
2557 
2558 again:
2559 	res = doquery(impl_ver, req, 1, 1, sizeof(u_int32),
2560 		      (char *)&key, &items, &itemsize, &dummy, 0,
2561 		      sizeof(dummy));
2562 
2563 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2564 		impl_ver = IMPL_XNTPD_OLD;
2565 		goto again;
2566 	}
2567 
2568 	if (res == 0)
2569 	    (void) fprintf(fp, "done!\n");
2570 	return;
2571 }
2572 
2573 
2574 
2575 /*
2576  * ctlstats - obtain and print info about authentication
2577  */
2578 /*ARGSUSED*/
2579 static void
2580 ctlstats(
2581 	struct parse *pcmd,
2582 	FILE *fp
2583 	)
2584 {
2585 	struct info_control *ic;
2586 	size_t items;
2587 	size_t itemsize;
2588 	int res;
2589 
2590 again:
2591 	res = doquery(impl_ver, REQ_GET_CTLSTATS, 0, 0, 0, NULL, &items,
2592 		      &itemsize, (void *)&ic, 0, sizeof(*ic));
2593 
2594 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2595 		impl_ver = IMPL_XNTPD_OLD;
2596 		goto again;
2597 	}
2598 
2599 	if (res != 0)
2600 		return;
2601 
2602 	if (!check1item(items, fp))
2603 		return;
2604 
2605 	if (!checkitemsize(itemsize, sizeof(*ic)))
2606 		return;
2607 
2608 	fprintf(fp, "time since reset:       %lu\n",
2609 		(u_long)ntohl(ic->ctltimereset));
2610 	fprintf(fp, "requests received:      %lu\n",
2611 		(u_long)ntohl(ic->numctlreq));
2612 	fprintf(fp, "responses sent:         %lu\n",
2613 		(u_long)ntohl(ic->numctlresponses));
2614 	fprintf(fp, "fragments sent:         %lu\n",
2615 		(u_long)ntohl(ic->numctlfrags));
2616 	fprintf(fp, "async messages sent:    %lu\n",
2617 		(u_long)ntohl(ic->numasyncmsgs));
2618 	fprintf(fp, "error msgs sent:        %lu\n",
2619 		(u_long)ntohl(ic->numctlerrors));
2620 	fprintf(fp, "total bad pkts:         %lu\n",
2621 		(u_long)ntohl(ic->numctlbadpkts));
2622 	fprintf(fp, "packet too short:       %lu\n",
2623 		(u_long)ntohl(ic->numctltooshort));
2624 	fprintf(fp, "response on input:      %lu\n",
2625 		(u_long)ntohl(ic->numctlinputresp));
2626 	fprintf(fp, "fragment on input:      %lu\n",
2627 		(u_long)ntohl(ic->numctlinputfrag));
2628 	fprintf(fp, "error set on input:     %lu\n",
2629 		(u_long)ntohl(ic->numctlinputerr));
2630 	fprintf(fp, "bad offset on input:    %lu\n",
2631 		(u_long)ntohl(ic->numctlbadoffset));
2632 	fprintf(fp, "bad version packets:    %lu\n",
2633 		(u_long)ntohl(ic->numctlbadversion));
2634 	fprintf(fp, "data in pkt too short:  %lu\n",
2635 		(u_long)ntohl(ic->numctldatatooshort));
2636 	fprintf(fp, "unknown op codes:       %lu\n",
2637 		(u_long)ntohl(ic->numctlbadop));
2638 }
2639 
2640 
2641 /*
2642  * clockstat - get and print clock status information
2643  */
2644 static void
2645 clockstat(
2646 	struct parse *pcmd,
2647 	FILE *fp
2648 	)
2649 {
2650 	struct info_clock *cl;
2651 	/* 8 is the maximum number of clocks which will fit in a packet */
2652 	u_long clist[min(MAXARGS, 8)];
2653 	size_t qitemlim;
2654 	size_t qitems;
2655 	size_t items;
2656 	size_t itemsize;
2657 	int res;
2658 	l_fp ts;
2659 	struct clktype *clk;
2660 
2661 	qitemlim = min(pcmd->nargs, COUNTOF(clist));
2662 	for (qitems = 0; qitems < qitemlim; qitems++)
2663 		clist[qitems] = NSRCADR(&pcmd->argval[qitems].netnum);
2664 
2665 again:
2666 	res = doquery(impl_ver, REQ_GET_CLOCKINFO, 0, qitems,
2667 		      sizeof(u_int32), (char *)clist, &items,
2668 		      &itemsize, (void *)&cl, 0, sizeof(struct info_clock));
2669 
2670 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2671 		impl_ver = IMPL_XNTPD_OLD;
2672 		goto again;
2673 	}
2674 
2675 	if (res != 0)
2676 		return;
2677 
2678 	if (!checkitems(items, fp))
2679 		return;
2680 
2681 	if (!checkitemsize(itemsize, sizeof(struct info_clock)))
2682 		return;
2683 
2684 	while (items-- > 0) {
2685 		(void) fprintf(fp, "clock address:        %s\n",
2686 			       numtoa(cl->clockadr));
2687 		for (clk = clktypes; clk->code >= 0; clk++)
2688 		    if (clk->code == cl->type)
2689 			break;
2690 		if (clk->code >= 0)
2691 		    (void) fprintf(fp, "clock type:           %s\n",
2692 				   clk->clocktype);
2693 		else
2694 		    (void) fprintf(fp, "clock type:           unknown type (%d)\n",
2695 				   cl->type);
2696 		(void) fprintf(fp, "last event:           %d\n",
2697 			       cl->lastevent);
2698 		(void) fprintf(fp, "current status:       %d\n",
2699 			       cl->currentstatus);
2700 		(void) fprintf(fp, "number of polls:      %lu\n",
2701 			       (u_long)ntohl(cl->polls));
2702 		(void) fprintf(fp, "no response to poll:  %lu\n",
2703 			       (u_long)ntohl(cl->noresponse));
2704 		(void) fprintf(fp, "bad format responses: %lu\n",
2705 			       (u_long)ntohl(cl->badformat));
2706 		(void) fprintf(fp, "bad data responses:   %lu\n",
2707 			       (u_long)ntohl(cl->baddata));
2708 		(void) fprintf(fp, "running time:         %lu\n",
2709 			       (u_long)ntohl(cl->timestarted));
2710 		NTOHL_FP(&cl->fudgetime1, &ts);
2711 		(void) fprintf(fp, "fudge time 1:         %s\n",
2712 			       lfptoa(&ts, 6));
2713 		NTOHL_FP(&cl->fudgetime2, &ts);
2714 		(void) fprintf(fp, "fudge time 2:         %s\n",
2715 			       lfptoa(&ts, 6));
2716 		(void) fprintf(fp, "stratum:              %ld\n",
2717 			       (u_long)ntohl(cl->fudgeval1));
2718 		(void) fprintf(fp, "reference ID:         %s\n",
2719 			       refid_string(ntohl(cl->fudgeval2), 0));
2720 		(void) fprintf(fp, "fudge flags:          0x%x\n",
2721 			       cl->flags);
2722 
2723 		if (items > 0)
2724 		    (void) fprintf(fp, "\n");
2725 		cl++;
2726 	}
2727 }
2728 
2729 
2730 /*
2731  * fudge - set clock fudge factors
2732  */
2733 static void
2734 fudge(
2735 	struct parse *pcmd,
2736 	FILE *fp
2737 	)
2738 {
2739 	struct conf_fudge fudgedata;
2740 	size_t items;
2741 	size_t itemsize;
2742 	const char *dummy;
2743 	l_fp ts;
2744 	int res;
2745 	long val;
2746 	u_long u_val;
2747 	int err;
2748 
2749 
2750 	err = 0;
2751 	ZERO(fudgedata);
2752 	fudgedata.clockadr = NSRCADR(&pcmd->argval[0].netnum);
2753 
2754 	if (STREQ(pcmd->argval[1].string, "time1")) {
2755 		fudgedata.which = htonl(FUDGE_TIME1);
2756 		if (!atolfp(pcmd->argval[2].string, &ts))
2757 		    err = 1;
2758 		else
2759 		    NTOHL_FP(&ts, &fudgedata.fudgetime);
2760 	} else if (STREQ(pcmd->argval[1].string, "time2")) {
2761 		fudgedata.which = htonl(FUDGE_TIME2);
2762 		if (!atolfp(pcmd->argval[2].string, &ts))
2763 		    err = 1;
2764 		else
2765 		    NTOHL_FP(&ts, &fudgedata.fudgetime);
2766 	} else if (STREQ(pcmd->argval[1].string, "val1")) {
2767 		fudgedata.which = htonl(FUDGE_VAL1);
2768 		if (!atoint(pcmd->argval[2].string, &val))
2769 		    err = 1;
2770 		else
2771 		    fudgedata.fudgeval_flags = htonl(val);
2772 	} else if (STREQ(pcmd->argval[1].string, "val2")) {
2773 		fudgedata.which = htonl(FUDGE_VAL2);
2774 		if (!atoint(pcmd->argval[2].string, &val))
2775 		    err = 1;
2776 		else
2777 		    fudgedata.fudgeval_flags = htonl((u_int32)val);
2778 	} else if (STREQ(pcmd->argval[1].string, "flags")) {
2779 		fudgedata.which = htonl(FUDGE_FLAGS);
2780 		if (!hextoint(pcmd->argval[2].string, &u_val))
2781 		    err = 1;
2782 		else
2783 		    fudgedata.fudgeval_flags = htonl((u_int32)(u_val & 0xf));
2784 	} else {
2785 		(void) fprintf(stderr, "What fudge is %s?\n",
2786 			       pcmd->argval[1].string);
2787 		return;
2788 	}
2789 
2790 	if (err) {
2791 		(void) fprintf(stderr, "Unknown fudge parameter %s\n",
2792 			       pcmd->argval[2].string);
2793 		return;
2794 	}
2795 
2796 again:
2797 	res = doquery(impl_ver, REQ_SET_CLKFUDGE, 1, 1,
2798 		      sizeof(struct conf_fudge), (char *)&fudgedata, &items,
2799 		      &itemsize, &dummy, 0, sizeof(dummy));
2800 
2801 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2802 		impl_ver = IMPL_XNTPD_OLD;
2803 		goto again;
2804 	}
2805 
2806 	if (res == 0)
2807 	    (void) fprintf(fp, "done!\n");
2808 	return;
2809 }
2810 
2811 /*
2812  * clkbug - get and print clock debugging information
2813  */
2814 static void
2815 clkbug(
2816 	struct parse *pcmd,
2817 	FILE *fp
2818 	)
2819 {
2820 	register int i;
2821 	register int n;
2822 	register u_int32 s;
2823 	struct info_clkbug *cl;
2824 	/* 8 is the maximum number of clocks which will fit in a packet */
2825 	u_long clist[min(MAXARGS, 8)];
2826 	u_int32 ltemp;
2827 	size_t qitemlim;
2828 	size_t qitems;
2829 	size_t items;
2830 	size_t itemsize;
2831 	int res;
2832 	int needsp;
2833 	l_fp ts;
2834 
2835 	qitemlim = min(pcmd->nargs, COUNTOF(clist));
2836 	for (qitems = 0; qitems < qitemlim; qitems++)
2837 		clist[qitems] = NSRCADR(&pcmd->argval[qitems].netnum);
2838 
2839 again:
2840 	res = doquery(impl_ver, REQ_GET_CLKBUGINFO, 0, qitems,
2841 		      sizeof(u_int32), (char *)clist, &items,
2842 		      &itemsize, (void *)&cl, 0, sizeof(struct info_clkbug));
2843 
2844 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2845 		impl_ver = IMPL_XNTPD_OLD;
2846 		goto again;
2847 	}
2848 
2849 	if (res != 0)
2850 		return;
2851 
2852 	if (!checkitems(items, fp))
2853 		return;
2854 
2855 	if (!checkitemsize(itemsize, sizeof(struct info_clkbug)))
2856 		return;
2857 
2858 	while (items-- > 0) {
2859 		(void) fprintf(fp, "clock address:        %s\n",
2860 			       numtoa(cl->clockadr));
2861 		n = (int)cl->nvalues;
2862 		(void) fprintf(fp, "values: %d", n);
2863 		s = ntohs(cl->svalues);
2864 		if (n > NUMCBUGVALUES)
2865 		    n = NUMCBUGVALUES;
2866 		for (i = 0; i < n; i++) {
2867 			ltemp = ntohl(cl->values[i]);
2868 			ltemp &= 0xffffffff;	/* HMS: This does nothing now */
2869 			if ((i & 0x3) == 0)
2870 			    (void) fprintf(fp, "\n");
2871 			if (s & (1 << i))
2872 			    (void) fprintf(fp, "%12ld", (u_long)ltemp);
2873 			else
2874 			    (void) fprintf(fp, "%12lu", (u_long)ltemp);
2875 		}
2876 		(void) fprintf(fp, "\n");
2877 
2878 		n = (int)cl->ntimes;
2879 		(void) fprintf(fp, "times: %d", n);
2880 		s = ntohl(cl->stimes);
2881 		if (n > NUMCBUGTIMES)
2882 		    n = NUMCBUGTIMES;
2883 		needsp = 0;
2884 		for (i = 0; i < n; i++) {
2885 			if ((i & 0x1) == 0) {
2886 			    (void) fprintf(fp, "\n");
2887 			} else {
2888 				for (;needsp > 0; needsp--)
2889 				    putc(' ', fp);
2890 			}
2891 			NTOHL_FP(&cl->times[i], &ts);
2892 			if (s & (1 << i)) {
2893 				(void) fprintf(fp, "%17s",
2894 					       lfptoa(&ts, 6));
2895 				needsp = 22;
2896 			} else {
2897 				(void) fprintf(fp, "%37s",
2898 					       uglydate(&ts));
2899 				needsp = 2;
2900 			}
2901 		}
2902 		(void) fprintf(fp, "\n");
2903 		if (items > 0) {
2904 			cl++;
2905 			(void) fprintf(fp, "\n");
2906 		}
2907 	}
2908 }
2909 
2910 
2911 /*
2912  * kerninfo - display the kernel pll/pps variables
2913  */
2914 static void
2915 kerninfo(
2916 	struct parse *pcmd,
2917 	FILE *fp
2918 	)
2919 {
2920 	struct info_kernel *ik;
2921 	size_t items;
2922 	size_t itemsize;
2923 	int res;
2924 	unsigned status;
2925 	double tscale = 1e-6;
2926 
2927 again:
2928 	res = doquery(impl_ver, REQ_GET_KERNEL, 0, 0, 0, (char *)NULL,
2929 		      &items, &itemsize, (void *)&ik, 0,
2930 		      sizeof(struct info_kernel));
2931 
2932 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2933 		impl_ver = IMPL_XNTPD_OLD;
2934 		goto again;
2935 	}
2936 
2937 	if (res != 0)
2938 	    return;
2939 	if (!check1item(items, fp))
2940 	    return;
2941 	if (!checkitemsize(itemsize, sizeof(struct info_kernel)))
2942 	    return;
2943 
2944 	status = ntohs(ik->status) & 0xffff;
2945 	/*
2946 	 * pll variables. We know more than we should about the NANO bit.
2947 	 */
2948 #ifdef STA_NANO
2949 	if (status & STA_NANO)
2950 		tscale = 1e-9;
2951 #endif
2952 	(void)fprintf(fp, "pll offset:           %g s\n",
2953 	    (int32)ntohl(ik->offset) * tscale);
2954 	(void)fprintf(fp, "pll frequency:        %s ppm\n",
2955 	    fptoa((s_fp)ntohl(ik->freq), 3));
2956 	(void)fprintf(fp, "maximum error:        %g s\n",
2957 	    (u_long)ntohl(ik->maxerror) * tscale);
2958 	(void)fprintf(fp, "estimated error:      %g s\n",
2959 	    (u_long)ntohl(ik->esterror) * tscale);
2960 	(void)fprintf(fp, "status:               %04x ", status);
2961 #ifdef STA_PLL
2962 	if (status & STA_PLL) (void)fprintf(fp, " pll");
2963 #endif
2964 #ifdef STA_PPSFREQ
2965 	if (status & STA_PPSFREQ) (void)fprintf(fp, " ppsfreq");
2966 #endif
2967 #ifdef STA_PPSTIME
2968 	if (status & STA_PPSTIME) (void)fprintf(fp, " ppstime");
2969 #endif
2970 #ifdef STA_FLL
2971 	if (status & STA_FLL) (void)fprintf(fp, " fll");
2972 #endif
2973 #ifdef STA_INS
2974 	if (status & STA_INS) (void)fprintf(fp, " ins");
2975 #endif
2976 #ifdef STA_DEL
2977 	if (status & STA_DEL) (void)fprintf(fp, " del");
2978 #endif
2979 #ifdef STA_UNSYNC
2980 	if (status & STA_UNSYNC) (void)fprintf(fp, " unsync");
2981 #endif
2982 #ifdef STA_FREQHOLD
2983 	if (status & STA_FREQHOLD) (void)fprintf(fp, " freqhold");
2984 #endif
2985 #ifdef STA_PPSSIGNAL
2986 	if (status & STA_PPSSIGNAL) (void)fprintf(fp, " ppssignal");
2987 #endif
2988 #ifdef STA_PPSJITTER
2989 	if (status & STA_PPSJITTER) (void)fprintf(fp, " ppsjitter");
2990 #endif
2991 #ifdef STA_PPSWANDER
2992 	if (status & STA_PPSWANDER) (void)fprintf(fp, " ppswander");
2993 #endif
2994 #ifdef STA_PPSERROR
2995 	if (status & STA_PPSERROR) (void)fprintf(fp, " ppserror");
2996 #endif
2997 #ifdef STA_CLOCKERR
2998 	if (status & STA_CLOCKERR) (void)fprintf(fp, " clockerr");
2999 #endif
3000 #ifdef STA_NANO
3001 	if (status & STA_NANO) (void)fprintf(fp, " nano");
3002 #endif
3003 #ifdef STA_MODE
3004 	if (status & STA_MODE) (void)fprintf(fp, " mode=fll");
3005 #endif
3006 #ifdef STA_CLK
3007 	if (status & STA_CLK) (void)fprintf(fp, " src=B");
3008 #endif
3009 	(void)fprintf(fp, "\n");
3010 	(void)fprintf(fp, "pll time constant:    %ld\n",
3011 	    (u_long)ntohl(ik->constant));
3012 	(void)fprintf(fp, "precision:            %g s\n",
3013 	    (u_long)ntohl(ik->precision) * tscale);
3014 	(void)fprintf(fp, "frequency tolerance:  %s ppm\n",
3015 	    fptoa((s_fp)ntohl(ik->tolerance), 0));
3016 
3017 	/*
3018 	 * For backwards compatibility (ugh), we find the pps variables
3019 	 * only if the shift member is nonzero.
3020 	 */
3021 	if (!ik->shift)
3022 	    return;
3023 
3024 	/*
3025 	 * pps variables
3026 	 */
3027 	(void)fprintf(fp, "pps frequency:        %s ppm\n",
3028 	    fptoa((s_fp)ntohl(ik->ppsfreq), 3));
3029 	(void)fprintf(fp, "pps stability:        %s ppm\n",
3030 	    fptoa((s_fp)ntohl(ik->stabil), 3));
3031 	(void)fprintf(fp, "pps jitter:           %g s\n",
3032 	    (u_long)ntohl(ik->jitter) * tscale);
3033 	(void)fprintf(fp, "calibration interval: %d s\n",
3034 		      1 << ntohs(ik->shift));
3035 	(void)fprintf(fp, "calibration cycles:   %ld\n",
3036 		      (u_long)ntohl(ik->calcnt));
3037 	(void)fprintf(fp, "jitter exceeded:      %ld\n",
3038 		      (u_long)ntohl(ik->jitcnt));
3039 	(void)fprintf(fp, "stability exceeded:   %ld\n",
3040 		      (u_long)ntohl(ik->stbcnt));
3041 	(void)fprintf(fp, "calibration errors:   %ld\n",
3042 		      (u_long)ntohl(ik->errcnt));
3043 }
3044 
3045 #define IF_LIST_FMT     "%2d %c %48s %c %c %12.12s %03lx %3lu %2lu %5lu %5lu %5lu %2lu %3lu %7lu\n"
3046 #define IF_LIST_FMT_STR "%2s %c %48s %c %c %12.12s %3s %3s %2s %5s %5s %5s %2s %3s %7s\n"
3047 #define IF_LIST_AFMT_STR "     %48s %c\n"
3048 #define IF_LIST_LABELS  "#", 'A', "Address/Mask/Broadcast", 'T', 'E', "IF name", "Flg", "TL", "#M", "recv", "sent", "drop", "S", "PC", "uptime"
3049 #define IF_LIST_LINE    "==================================================================================================================\n"
3050 
3051 static void
3052 iflist(
3053 	FILE *fp,
3054 	struct info_if_stats *ifs,
3055 	size_t items,
3056 	size_t itemsize,
3057 	int res
3058 	)
3059 {
3060 	static const char *actions = "?.+-";
3061 	sockaddr_u saddr;
3062 
3063 	if (res != 0)
3064 	    return;
3065 
3066 	if (!checkitems(items, fp))
3067 	    return;
3068 
3069 	if (!checkitemsize(itemsize, sizeof(struct info_if_stats)))
3070 	    return;
3071 
3072 	fprintf(fp, IF_LIST_FMT_STR, IF_LIST_LABELS);
3073 	fprintf(fp, IF_LIST_LINE);
3074 
3075 	while (items > 0) {
3076 		SET_ADDR(saddr, ntohl(ifs->v6_flag),
3077 			 ifs->unaddr.addr.s_addr, ifs->unaddr.addr6);
3078 		fprintf(fp, IF_LIST_FMT,
3079 			ntohl(ifs->ifnum),
3080 			actions[(ifs->action >= 1 && ifs->action < 4) ? ifs->action : 0],
3081 			stoa((&saddr)), 'A',
3082 			ifs->ignore_packets ? 'D' : 'E',
3083 			ifs->name,
3084 			(u_long)ntohl(ifs->flags),
3085 			(u_long)ntohl(ifs->last_ttl),
3086 			(u_long)ntohl(ifs->num_mcast),
3087 			(u_long)ntohl(ifs->received),
3088 			(u_long)ntohl(ifs->sent),
3089 			(u_long)ntohl(ifs->notsent),
3090 			(u_long)ntohl(ifs->scopeid),
3091 			(u_long)ntohl(ifs->peercnt),
3092 			(u_long)ntohl(ifs->uptime));
3093 
3094 		SET_ADDR(saddr, ntohl(ifs->v6_flag),
3095 			 ifs->unmask.addr.s_addr, ifs->unmask.addr6);
3096 		fprintf(fp, IF_LIST_AFMT_STR, stoa(&saddr), 'M');
3097 
3098 		if (!ntohl(ifs->v6_flag) && ntohl(ifs->flags) & (INT_BCASTOPEN)) {
3099 			SET_ADDR(saddr, ntohl(ifs->v6_flag),
3100 				 ifs->unbcast.addr.s_addr, ifs->unbcast.addr6);
3101 			fprintf(fp, IF_LIST_AFMT_STR, stoa(&saddr), 'B');
3102 
3103 		}
3104 
3105 		ifs++;
3106 		items--;
3107 	}
3108 }
3109 
3110 /*ARGSUSED*/
3111 static void
3112 get_if_stats(
3113 	struct parse *pcmd,
3114 	FILE *fp
3115 	)
3116 {
3117 	struct info_if_stats *ifs;
3118 	size_t items;
3119 	size_t itemsize;
3120 	int res;
3121 
3122 	res = doquery(impl_ver, REQ_IF_STATS, 1, 0, 0, (char *)NULL, &items,
3123 		      &itemsize, (void *)&ifs, 0,
3124 		      sizeof(struct info_if_stats));
3125 	iflist(fp, ifs, items, itemsize, res);
3126 }
3127 
3128 /*ARGSUSED*/
3129 static void
3130 do_if_reload(
3131 	struct parse *pcmd,
3132 	FILE *fp
3133 	)
3134 {
3135 	struct info_if_stats *ifs;
3136 	size_t items;
3137 	size_t itemsize;
3138 	int res;
3139 
3140 	res = doquery(impl_ver, REQ_IF_RELOAD, 1, 0, 0, (char *)NULL, &items,
3141 		      &itemsize, (void *)&ifs, 0,
3142 		      sizeof(struct info_if_stats));
3143 	iflist(fp, ifs, items, itemsize, res);
3144 }
3145