xref: /freebsd/contrib/ntp/ntpdc/ntpdc_ops.c (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
1 /*
2  * ntpdc_ops.c - subroutines which are called to perform operations by
3  *		 ntpdc
4  */
5 
6 #ifdef HAVE_CONFIG_H
7 # include <config.h>
8 #endif
9 
10 #include <stdio.h>
11 #include <stddef.h>
12 
13 #include "ntpdc.h"
14 #include "ntp_net.h"
15 #include "ntp_control.h"
16 #include "ntp_refclock.h"
17 #include "ntp_stdlib.h"
18 
19 #include <ctype.h>
20 #ifdef HAVE_SYS_TIMEX_H
21 # include <sys/timex.h>
22 #endif
23 #if !defined(__bsdi__) && !defined(apollo)
24 #ifdef HAVE_NETINET_IN_H
25 #include <netinet/in.h>
26 #endif
27 #endif
28 
29 #include <arpa/inet.h>
30 
31 /*
32  * utility functions
33  */
34 static	int	checkitems	(size_t, FILE *);
35 static	int	checkitemsize	(size_t, size_t);
36 static	int	check1item	(size_t, FILE *);
37 
38 /*
39  * Declarations for command handlers in here
40  */
41 static	void	peerlist	(struct parse *, FILE *);
42 static	void	peers		(struct parse *, FILE *);
43 static void	doconfig	(struct parse *pcmd, FILE *fp, int mode, int refc);
44 static	void	dmpeers		(struct parse *, FILE *);
45 static	void	dopeers		(struct parse *, FILE *, int);
46 static	void	printpeer	(struct info_peer *, FILE *);
47 static	void	showpeer	(struct parse *, FILE *);
48 static	void	peerstats	(struct parse *, FILE *);
49 static	void	loopinfo	(struct parse *, FILE *);
50 static	void	sysinfo		(struct parse *, FILE *);
51 static	void	sysstats	(struct parse *, FILE *);
52 static	void	iostats		(struct parse *, FILE *);
53 static	void	memstats	(struct parse *, FILE *);
54 static	void	timerstats	(struct parse *, FILE *);
55 static	void	addpeer		(struct parse *, FILE *);
56 static	void	addserver	(struct parse *, FILE *);
57 static	void	addrefclock	(struct parse *, FILE *);
58 static	void	broadcast	(struct parse *, FILE *);
59 static	void	doconfig	(struct parse *, FILE *, int, int);
60 static	void	unconfig	(struct parse *, FILE *);
61 static	void	set		(struct parse *, FILE *);
62 static	void	sys_clear	(struct parse *, FILE *);
63 static	void	doset		(struct parse *, FILE *, int);
64 static	void	reslist		(struct parse *, FILE *);
65 static	void	new_restrict	(struct parse *, FILE *);
66 static	void	unrestrict	(struct parse *, FILE *);
67 static	void	delrestrict	(struct parse *, FILE *);
68 static	void	do_restrict	(struct parse *, FILE *, int);
69 static	void	monlist		(struct parse *, FILE *);
70 static	void	reset		(struct parse *, FILE *);
71 static	void	preset		(struct parse *, FILE *);
72 static	void	readkeys	(struct parse *, FILE *);
73 static	void	trustkey	(struct parse *, FILE *);
74 static	void	untrustkey	(struct parse *, FILE *);
75 static	void	do_trustkey	(struct parse *, FILE *, int);
76 static	void	authinfo	(struct parse *, FILE *);
77 static	void	traps		(struct parse *, FILE *);
78 static	void	addtrap		(struct parse *, FILE *);
79 static	void	clrtrap		(struct parse *, FILE *);
80 static	void	do_addclr_trap	(struct parse *, FILE *, int);
81 static	void	requestkey	(struct parse *, FILE *);
82 static	void	controlkey	(struct parse *, FILE *);
83 static	void	do_changekey	(struct parse *, FILE *, int);
84 static	void	ctlstats	(struct parse *, FILE *);
85 static	void	clockstat	(struct parse *, FILE *);
86 static	void	fudge		(struct parse *, FILE *);
87 static	void	clkbug		(struct parse *, FILE *);
88 static	void	kerninfo	(struct parse *, FILE *);
89 static	void	get_if_stats	(struct parse *, FILE *);
90 static	void	do_if_reload	(struct parse *, FILE *);
91 
92 /*
93  * Commands we understand.  Ntpdc imports this.
94  */
95 struct xcmd opcmds[] = {
96 	{ "listpeers",	peerlist,	{ OPT|IP_VERSION, NO, NO, NO },
97 	  { "-4|-6", "", "", "" },
98 	  "display list of peers the server knows about [IP Version]" },
99 	{ "peers",	peers,	{ OPT|IP_VERSION, NO, NO, NO },
100 	  { "-4|-6", "", "", "" },
101 	  "display peer summary information [IP Version]" },
102 	{ "dmpeers",	dmpeers,	{ OPT|IP_VERSION, NO, NO, NO },
103 	  { "-4|-6", "", "", "" },
104 	  "display peer summary info the way Dave Mills likes it (IP Version)" },
105 	{ "showpeer",	showpeer, 	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD},
106 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
107 	  "display detailed information for one or more peers" },
108 	{ "pstats",	peerstats,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
109 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
110 	  "display statistical information for one or more peers" },
111 	{ "loopinfo",	loopinfo,	{ OPT|NTP_STR, NO, NO, NO },
112 	  { "oneline|multiline", "", "", "" },
113 	  "display loop filter information" },
114 	{ "sysinfo",	sysinfo,	{ NO, NO, NO, NO },
115 	  { "", "", "", "" },
116 	  "display local server information" },
117 	{ "sysstats",	sysstats,	{ NO, NO, NO, NO },
118 	  { "", "", "", "" },
119 	  "display local server statistics" },
120 	{ "memstats",	memstats,	{ NO, NO, NO, NO },
121 	  { "", "", "", "" },
122 	  "display peer memory usage statistics" },
123 	{ "iostats",	iostats,	{ NO, NO, NO, NO },
124 	  { "", "", "", "" },
125 	  "display I/O subsystem statistics" },
126 	{ "timerstats",	timerstats,	{ NO, NO, NO, NO },
127 	  { "", "", "", "" },
128 	  "display event timer subsystem statistics" },
129 	{ "addpeer",	addpeer,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
130 	  { "addr", "keyid", "version", "minpoll#|prefer|burst|iburst|'minpoll N'|'maxpoll N'|'keyid N'|'version N' ..." },
131 	  "configure a new peer association" },
132 	{ "addserver",	addserver,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
133 	  { "addr", "keyid", "version", "minpoll#|prefer|burst|iburst|'minpoll N'|'maxpoll N'|'keyid N'|'version N' ..." },
134 	  "configure a new server" },
135 	{ "addrefclock",addrefclock,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR },
136 	  { "addr", "mode", "minpoll|prefer", "minpoll|prefer" },
137 	  "configure a new server" },
138 	{ "broadcast",	broadcast,	{ NTP_ADD, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
139 	  { "addr", "keyid", "version", "minpoll" },
140 	  "configure broadcasting time service" },
141 	{ "unconfig",	unconfig,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
142 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
143 	  "unconfigure existing peer assocations" },
144 	{ "enable",	set,		{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
145 	  { "auth|bclient|monitor|pll|kernel|stats", "...", "...", "..." },
146 	  "set a system flag (auth, bclient, monitor, pll, kernel, stats)" },
147 	{ "disable",	sys_clear,	{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
148 	  { "auth|bclient|monitor|pll|kernel|stats", "...", "...", "..." },
149 	  "clear a system flag (auth, bclient, monitor, pll, kernel, stats)" },
150 	{ "reslist",	reslist,	{OPT|IP_VERSION, NO, NO, NO },
151 	  { "-4|-6", "", "", "" },
152 	  "display the server's restrict list" },
153 	{ "restrict",	new_restrict,	{ NTP_ADD, NTP_ADD, NTP_STR, OPT|NTP_STR },
154 	  { "address", "mask",
155 	    "ntpport|ignore|noserve|notrust|noquery|nomodify|nopeer|version|kod",
156 	    "..." },
157 	  "create restrict entry/add flags to entry" },
158 	{ "unrestrict", unrestrict,	{ NTP_ADD, NTP_ADD, NTP_STR, OPT|NTP_STR },
159 	  { "address", "mask",
160 	    "ntpport|ignore|noserve|notrust|noquery|nomodify|nopeer|version|kod",
161 	    "..." },
162 	  "remove flags from a restrict entry" },
163 	{ "delrestrict", delrestrict,	{ NTP_ADD, NTP_ADD, OPT|NTP_STR, NO },
164 	  { "address", "mask", "ntpport", "" },
165 	  "delete a restrict entry" },
166 	{ "monlist",	monlist,	{ OPT|NTP_INT, NO, NO, NO },
167 	  { "version", "", "", "" },
168 	  "display data the server's monitor routines have collected" },
169 	{ "reset",	reset,		{ NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
170 	  { "io|sys|mem|timer|auth|ctl|allpeers", "...", "...", "..." },
171 	  "reset various subsystem statistics counters" },
172 	{ "preset",	preset,		{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
173 	  { "peer_address", "peer2_addr", "peer3_addr", "peer4_addr" },
174 	  "reset stat counters associated with particular peer(s)" },
175 	{ "readkeys",	readkeys,	{ NO, NO, NO, NO },
176 	  { "", "", "", "" },
177 	  "request a reread of the keys file and re-init of system keys" },
178 	{ "trustedkey",	trustkey,	{ NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT },
179 	  { "keyid", "keyid", "keyid", "keyid" },
180 	  "add one or more key ID's to the trusted list" },
181 	{ "untrustedkey", untrustkey,	{ NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT, OPT|NTP_UINT },
182 	  { "keyid", "keyid", "keyid", "keyid" },
183 	  "remove one or more key ID's from the trusted list" },
184 	{ "authinfo",	authinfo,	{ NO, NO, NO, NO },
185 	  { "", "", "", "" },
186 	  "display the state of the authentication code" },
187 	{ "traps",	traps,		{ NO, NO, NO, NO },
188 	  { "", "", "", "" },
189 	  "display the traps set in the server" },
190 	{ "addtrap",	addtrap,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_ADD, NO },
191 	  { "address", "port", "interface", "" },
192 	  "configure a trap in the server" },
193 	{ "clrtrap",	clrtrap,	{ NTP_ADD, OPT|NTP_UINT, OPT|NTP_ADD, NO },
194 	  { "address", "port", "interface", "" },
195 	  "remove a trap (configured or otherwise) from the server" },
196 	{ "requestkey",	requestkey,	{ NTP_UINT, NO, NO, NO },
197 	  { "keyid", "", "", "" },
198 	  "change the keyid the server uses to authenticate requests" },
199 	{ "controlkey",	controlkey,	{ NTP_UINT, NO, NO, NO },
200 	  { "keyid", "", "", "" },
201 	  "change the keyid the server uses to authenticate control messages" },
202 	{ "ctlstats",	ctlstats,	{ NO, NO, NO, NO },
203 	  { "", "", "", "" },
204 	  "display packet count statistics from the control module" },
205 	{ "clockstat",	clockstat,	{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
206 	  { "address", "address", "address", "address" },
207 	  "display clock status information" },
208 	{ "fudge",	fudge,		{ NTP_ADD, NTP_STR, NTP_STR, NO },
209 	  { "address", "time1|time2|val1|val2|flags", "value", "" },
210 	  "set/change one of a clock's fudge factors" },
211 	{ "clkbug",	clkbug,		{ NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD, OPT|NTP_ADD },
212 	  { "address", "address", "address", "address" },
213 	  "display clock debugging information" },
214 	{ "kerninfo",	kerninfo,	{ NO, NO, NO, NO },
215 	  { "", "", "", "" },
216 	  "display the kernel pll/pps variables" },
217 	{ "ifstats",	get_if_stats,	{ NO, NO, NO, NO },
218 	  { "", "", "", "" },
219 	  "list interface statistics" },
220 	{ "ifreload",	do_if_reload,	{ NO, NO, NO, NO },
221 	  { "", "", "", "" },
222 	  "reload interface configuration" },
223 	{ 0,		0,		{ NO, NO, NO, NO },
224 	  { "", "", "", "" }, "" }
225 };
226 
227 /*
228  * For quick string comparisons
229  */
230 #define	STREQ(a, b)	(*(a) == *(b) && strcmp((a), (b)) == 0)
231 
232 /*
233  * SET_SS_LEN_IF_PRESENT - used by SET_ADDR, SET_ADDRS macros
234  */
235 
236 #ifdef ISC_PLATFORM_HAVESALEN
237 #define SET_SS_LEN_IF_PRESENT(psau)				\
238 	do {							\
239 		(psau)->sa.sa_len = SOCKLEN(psau);		\
240 	} while (0)
241 #else
242 #define SET_SS_LEN_IF_PRESENT(psau)	do { } while (0)
243 #endif
244 
245 /*
246  * SET_ADDR - setup address for v4/v6 as needed
247  */
248 #define SET_ADDR(address, v6flag, v4addr, v6addr)		\
249 do {								\
250 	ZERO(address);						\
251 	if (v6flag) {						\
252 		AF(&(address)) = AF_INET6;			\
253 		SOCK_ADDR6(&(address)) = (v6addr);		\
254 	} else {						\
255 		AF(&(address)) = AF_INET;			\
256 		NSRCADR(&(address)) = (v4addr);			\
257 	}							\
258 	SET_SS_LEN_IF_PRESENT(&(address));			\
259 } while (0)
260 
261 
262 /*
263  * SET_ADDRS - setup source and destination addresses for
264  * v4/v6 as needed
265  */
266 #define SET_ADDRS(a1, a2, info, a1prefix, a2prefix)		\
267 do {								\
268 	ZERO(a1);						\
269 	ZERO(a2);						\
270 	if ((info)->v6_flag) {					\
271 		AF(&(a1)) = AF_INET6;				\
272 		AF(&(a2)) = AF_INET6;				\
273 		SOCK_ADDR6(&(a1)) = (info)->a1prefix##6;	\
274 		SOCK_ADDR6(&(a2)) = (info)->a2prefix##6;	\
275 	} else {						\
276 		AF(&(a1)) = AF_INET;				\
277 		AF(&(a2)) = AF_INET;				\
278 		NSRCADR(&(a1)) = (info)->a1prefix;		\
279 		NSRCADR(&(a2)) = (info)->a2prefix;		\
280 	}							\
281 	SET_SS_LEN_IF_PRESENT(&(a1));				\
282 	SET_SS_LEN_IF_PRESENT(&(a2));				\
283 } while (0)
284 
285 
286 /*
287  * checkitems - utility to print a message if no items were returned
288  */
289 static int
290 checkitems(
291 	size_t items,
292 	FILE *fp
293 	)
294 {
295 	if (items == 0) {
296 		(void) fprintf(fp, "No data returned in response to query\n");
297 		return 0;
298 	}
299 	return 1;
300 }
301 
302 
303 /*
304  * checkitemsize - utility to print a message if the item size is wrong
305  */
306 static int
307 checkitemsize(
308 	size_t itemsize,
309 	size_t expected
310 	)
311 {
312 	if (itemsize != expected) {
313 		(void) fprintf(stderr,
314 			       "***Incorrect item size returned by remote host (%lu should be %lu)\n",
315 			       (u_long)itemsize, (u_long)expected);
316 		return 0;
317 	}
318 	return 1;
319 }
320 
321 
322 /*
323  * check1item - check to make sure we have exactly one item
324  */
325 static int
326 check1item(
327 	size_t items,
328 	FILE *fp
329 	)
330 {
331 	if (items == 0) {
332 		(void) fprintf(fp, "No data returned in response to query\n");
333 		return 0;
334 	}
335 	if (items > 1) {
336 		(void) fprintf(fp, "Expected one item in response, got %lu\n",
337 			       (u_long)items);
338 		return 0;
339 	}
340 	return 1;
341 }
342 
343 
344 /*
345  * peerlist - get a short list of peers
346  */
347 /*ARGSUSED*/
348 static void
349 peerlist(
350 	struct parse *pcmd,
351 	FILE *fp
352 	)
353 {
354 	struct info_peer_list *plist;
355 	sockaddr_u paddr;
356 	size_t items;
357 	size_t itemsize;
358 	int res;
359 
360 again:
361 	res = doquery(impl_ver, REQ_PEER_LIST, 0, 0, 0, (char *)NULL, &items,
362 		      &itemsize, (void *)&plist, 0,
363 		      sizeof(struct info_peer_list));
364 
365 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
366 		impl_ver = IMPL_XNTPD_OLD;
367 		goto again;
368 	}
369 
370 	if (res != 0)
371 	    return;
372 
373 	if (!checkitems(items, fp))
374 	    return;
375 
376 	if (!checkitemsize(itemsize, sizeof(struct info_peer_list)) &&
377 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_list)))
378 	    return;
379 
380 	while (items > 0) {
381 		SET_ADDR(paddr, plist->v6_flag, plist->addr, plist->addr6);
382 		if ((pcmd->nargs == 0) ||
383 		    ((pcmd->argval->ival == 6) && (plist->v6_flag != 0)) ||
384 		    ((pcmd->argval->ival == 4) && (plist->v6_flag == 0)))
385 			(void) fprintf(fp, "%-9s %s\n",
386 				modetoa(plist->hmode),
387 				nntohost(&paddr));
388 		plist++;
389 		items--;
390 	}
391 }
392 
393 
394 /*
395  * peers - show peer summary
396  */
397 static void
398 peers(
399 	struct parse *pcmd,
400 	FILE *fp
401 	)
402 {
403 	dopeers(pcmd, fp, 0);
404 }
405 
406 /*
407  * dmpeers - show peer summary, Dave Mills style
408  */
409 static void
410 dmpeers(
411 	struct parse *pcmd,
412 	FILE *fp
413 	)
414 {
415 	dopeers(pcmd, fp, 1);
416 }
417 
418 
419 /*
420  * peers - show peer summary
421  */
422 /*ARGSUSED*/
423 static void
424 dopeers(
425 	struct parse *pcmd,
426 	FILE *fp,
427 	int dmstyle
428 	)
429 {
430 	struct info_peer_summary *plist;
431 	sockaddr_u dstadr;
432 	sockaddr_u srcadr;
433 	size_t items;
434 	size_t itemsize;
435 	int ntp_poll;
436 	int res;
437 	int c;
438 	l_fp tempts;
439 
440 again:
441 	res = doquery(impl_ver, REQ_PEER_LIST_SUM, 0, 0, 0, (char *)NULL,
442 		      &items, &itemsize, (void *)&plist, 0,
443 		      sizeof(struct info_peer_summary));
444 
445 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
446 		impl_ver = IMPL_XNTPD_OLD;
447 		goto again;
448 	}
449 
450 	if (res != 0)
451 	    return;
452 
453 	if (!checkitems(items, fp))
454 	    return;
455 
456 	if (!checkitemsize(itemsize, sizeof(struct info_peer_summary)) &&
457 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_summary)))
458 		return;
459 
460 	(void) fprintf(fp,
461 		       "     remote           local      st poll reach  delay   offset    disp\n");
462 	(void) fprintf(fp,
463 		       "=======================================================================\n");
464 	while (items > 0) {
465 		if (!dmstyle) {
466 			if (plist->flags & INFO_FLAG_SYSPEER)
467 			    c = '*';
468 			else if (plist->hmode == MODE_ACTIVE)
469 			    c = '+';
470 			else if (plist->hmode == MODE_PASSIVE)
471 			    c = '-';
472 			else if (plist->hmode == MODE_CLIENT)
473 			    c = '=';
474 			else if (plist->hmode == MODE_BROADCAST)
475 			    c = '^';
476 			else if (plist->hmode == MODE_BCLIENT)
477 			    c = '~';
478 			else
479 			    c = ' ';
480 		} else {
481 			if (plist->flags & INFO_FLAG_SYSPEER)
482 			    c = '*';
483 			else if (plist->flags & INFO_FLAG_SHORTLIST)
484 			    c = '+';
485 			else if (plist->flags & INFO_FLAG_SEL_CANDIDATE)
486 			    c = '.';
487 			else
488 			    c = ' ';
489 		}
490 		NTOHL_FP(&(plist->offset), &tempts);
491 		ntp_poll = 1<<max(min3(plist->ppoll, plist->hpoll, NTP_MAXPOLL),
492 				  NTP_MINPOLL);
493 		SET_ADDRS(dstadr, srcadr, plist, dstadr, srcadr);
494 		if ((pcmd->nargs == 0) ||
495 		    ((pcmd->argval->ival == 6) && (plist->v6_flag != 0)) ||
496 		    ((pcmd->argval->ival == 4) && (plist->v6_flag == 0)))
497 			(void) fprintf(fp,
498 			    "%c%-15.15s %-15.15s %2u %4d  %3o %7.7s %9.9s %7.7s\n",
499 			    c, nntohost(&srcadr), stoa(&dstadr),
500 			    plist->stratum, ntp_poll, plist->reach,
501 			    fptoa(NTOHS_FP(plist->delay), 5),
502 			    lfptoa(&tempts, 6),
503 			    ufptoa(NTOHS_FP(plist->dispersion), 5));
504 		plist++;
505 		items--;
506 	}
507 }
508 
509 /* Convert a refid & stratum (in host order) to a string */
510 static char *
511 refid_string(
512 	u_int32 refid,
513 	int stratum
514 	)
515 {
516 	if (stratum <= 1) {
517 		static char junk[5];
518 		junk[4] = 0;
519 		memcpy(junk, &refid, 4);
520 		return junk;
521 	}
522 
523 	return numtoa(refid);
524 }
525 
526 static void
527 print_pflag(
528 	FILE *	fp,
529 	u_int32	flags
530 	)
531 {
532 	static const char none[] = "";
533 	static const char comma[] = ",";
534 	const char *dlim;
535 
536 	if (0 == flags) {
537 		fprintf(fp, " none\n");
538 		return;
539 	}
540 	dlim = none;
541 	if (flags & INFO_FLAG_SYSPEER) {
542 		fprintf(fp, " system_peer");
543 		dlim = comma;
544 	}
545 	if (flags & INFO_FLAG_CONFIG) {
546 		fprintf(fp, "%s config", dlim);
547 		dlim = comma;
548 	}
549 	if (flags & INFO_FLAG_REFCLOCK) {
550 		fprintf(fp, "%s refclock", dlim);
551 		dlim = comma;
552 	}
553 	if (flags & INFO_FLAG_AUTHENABLE) {
554 		fprintf(fp, "%s auth", dlim);
555 		dlim = comma;
556 	}
557 	if (flags & INFO_FLAG_PREFER) {
558 		fprintf(fp, "%s prefer", dlim);
559 		dlim = comma;
560 	}
561 	if (flags & INFO_FLAG_IBURST) {
562 		fprintf(fp, "%s iburst", dlim);
563 		dlim = comma;
564 	}
565 	if (flags & INFO_FLAG_BURST) {
566 		fprintf(fp, "%s burst", dlim);
567 		dlim = comma;
568 	}
569 	if (flags & INFO_FLAG_SEL_CANDIDATE) {
570 		fprintf(fp, "%s candidate", dlim);
571 		dlim = comma;
572 	}
573 	if (flags & INFO_FLAG_SHORTLIST) {
574 		fprintf(fp, "%s shortlist", dlim);
575 		dlim = comma;
576 	}
577 	fprintf(fp, "\n");
578 }
579 /*
580  * printpeer - print detail information for a peer
581  */
582 static void
583 printpeer(
584 	register struct info_peer *pp,
585 	FILE *fp
586 	)
587 {
588 	register int i;
589 	l_fp tempts;
590 	sockaddr_u srcadr, dstadr;
591 
592 	SET_ADDRS(dstadr, srcadr, pp, dstadr, srcadr);
593 
594 	(void) fprintf(fp, "remote %s, local %s\n",
595 		       stoa(&srcadr), stoa(&dstadr));
596 	(void) fprintf(fp, "hmode %s, pmode %s, stratum %d, precision %d\n",
597 		       modetoa(pp->hmode), modetoa(pp->pmode),
598 		       pp->stratum, pp->precision);
599 
600 	(void) fprintf(fp,
601 		       "leap %c%c, refid [%s], rootdistance %s, rootdispersion %s\n",
602 		       pp->leap & 0x2 ? '1' : '0',
603 		       pp->leap & 0x1 ? '1' : '0',
604 		       refid_string(pp->refid, pp->stratum), fptoa(NTOHS_FP(pp->rootdelay), 5),
605 		       ufptoa(NTOHS_FP(pp->rootdispersion), 5));
606 
607 	(void) fprintf(fp,
608 		       "ppoll %d, hpoll %d, keyid %lu, version %d, association %u\n",
609 		       pp->ppoll, pp->hpoll, (u_long)pp->keyid, pp->version, ntohs(pp->associd));
610 
611 	(void) fprintf(fp,
612 		       "reach %03o, unreach %d, flash 0x%04x, ",
613 		       pp->reach, pp->unreach, pp->flash2);
614 
615 	(void) fprintf(fp, "boffset %s, ttl/mode %d\n",
616 		       fptoa(NTOHS_FP(pp->estbdelay), 5), pp->ttl);
617 
618 	(void) fprintf(fp, "timer %lds, flags", (long)ntohl(pp->timer));
619 	print_pflag(fp, pp->flags);
620 
621 	NTOHL_FP(&pp->reftime, &tempts);
622 	(void) fprintf(fp, "reference time:      %s\n",
623 		       prettydate(&tempts));
624 	NTOHL_FP(&pp->org, &tempts);
625 	(void) fprintf(fp, "originate timestamp: %s\n",
626 		       prettydate(&tempts));
627 	NTOHL_FP(&pp->rec, &tempts);
628 	(void) fprintf(fp, "receive timestamp:   %s\n",
629 		       prettydate(&tempts));
630 	NTOHL_FP(&pp->xmt, &tempts);
631 	(void) fprintf(fp, "transmit timestamp:  %s\n",
632 		       prettydate(&tempts));
633 
634 	(void) fprintf(fp, "filter delay: ");
635 	for (i = 0; i < NTP_SHIFT; i++) {
636 		(void) fprintf(fp, " %-8.8s",
637 			       fptoa(NTOHS_FP(pp->filtdelay[i]), 5));
638 		if (i == (NTP_SHIFT>>1)-1)
639 		    (void) fprintf(fp, "\n              ");
640 	}
641 	(void) fprintf(fp, "\n");
642 
643 	(void) fprintf(fp, "filter offset:");
644 	for (i = 0; i < NTP_SHIFT; i++) {
645 		NTOHL_FP(&pp->filtoffset[i], &tempts);
646 		(void) fprintf(fp, " %-8.8s", lfptoa(&tempts, 6));
647 		if (i == (NTP_SHIFT>>1)-1)
648 		    (void) fprintf(fp, "\n              ");
649 	}
650 	(void) fprintf(fp, "\n");
651 
652 	(void) fprintf(fp, "filter order: ");
653 	for (i = 0; i < NTP_SHIFT; i++) {
654 		(void) fprintf(fp, " %-8d", pp->order[i]);
655 		if (i == (NTP_SHIFT>>1)-1)
656 		    (void) fprintf(fp, "\n              ");
657 	}
658 	(void) fprintf(fp, "\n");
659 
660 
661 	NTOHL_FP(&pp->offset, &tempts);
662 	(void) fprintf(fp,
663 		       "offset %s, delay %s, error bound %s, filter error %s\n",
664 		       lfptoa(&tempts, 6), fptoa(NTOHS_FP(pp->delay), 5),
665 		       ufptoa(NTOHS_FP(pp->dispersion), 5),
666 		       ufptoa(NTOHS_FP(pp->selectdisp), 5));
667 }
668 
669 
670 /*
671  * showpeer - show detailed information for a peer
672  */
673 static void
674 showpeer(
675 	struct parse *pcmd,
676 	FILE *fp
677 	)
678 {
679 	struct info_peer *pp;
680 	/* 4 is the maximum number of peers which will fit in a packet */
681 	struct info_peer_list *pl, plist[min(MAXARGS, 4)];
682 	size_t qitemlim;
683 	size_t qitems;
684 	size_t items;
685 	size_t itemsize;
686 	int res;
687 	int sendsize;
688 
689 again:
690 	if (impl_ver == IMPL_XNTPD)
691 		sendsize = sizeof(struct info_peer_list);
692 	else
693 		sendsize = v4sizeof(struct info_peer_list);
694 
695 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
696 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
697 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
698 			pl->addr = NSRCADR(&pcmd->argval[qitems].netnum);
699 			if (impl_ver == IMPL_XNTPD)
700 				pl->v6_flag = 0;
701 		} else {
702 			if (impl_ver == IMPL_XNTPD_OLD) {
703 				fprintf(stderr,
704 				    "***Server doesn't understand IPv6 addresses\n");
705 				return;
706 			}
707 			pl->addr6 = SOCK_ADDR6(&pcmd->argval[qitems].netnum);
708 			pl->v6_flag = 1;
709 		}
710 		pl->port = (u_short)s_port;
711 		pl->hmode = pl->flags = 0;
712 		pl = (void *)((char *)pl + sendsize);
713 	}
714 
715 	res = doquery(impl_ver, REQ_PEER_INFO, 0, qitems,
716 		      sendsize, (char *)plist, &items,
717 		      &itemsize, (void *)&pp, 0, sizeof(struct info_peer));
718 
719 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
720 		impl_ver = IMPL_XNTPD_OLD;
721 		goto again;
722 	}
723 
724 	if (res != 0)
725 		return;
726 
727 	if (!checkitems(items, fp))
728 		return;
729 
730 	if (!checkitemsize(itemsize, sizeof(struct info_peer)) &&
731 	    !checkitemsize(itemsize, v4sizeof(struct info_peer)))
732 		return;
733 
734 	while (items-- > 0) {
735 		printpeer(pp, fp);
736 		if (items > 0)
737 			fprintf(fp, "\n");
738 		pp++;
739 	}
740 }
741 
742 
743 /*
744  * peerstats - return statistics for a peer
745  */
746 static void
747 peerstats(
748 	struct parse *pcmd,
749 	FILE *fp
750 	)
751 {
752 	struct info_peer_stats *pp;
753 	/* 4 is the maximum number of peers which will fit in a packet */
754 	struct info_peer_list *pl, plist[min(MAXARGS, 4)];
755 	sockaddr_u src, dst;
756 	size_t qitemlim;
757 	size_t qitems;
758 	size_t items;
759 	size_t itemsize;
760 	int res;
761 	size_t sendsize;
762 
763 again:
764 	if (impl_ver == IMPL_XNTPD)
765 		sendsize = sizeof(struct info_peer_list);
766 	else
767 		sendsize = v4sizeof(struct info_peer_list);
768 
769 	ZERO(plist);
770 
771 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
772 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
773 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
774 			pl->addr = NSRCADR(&pcmd->argval[qitems].netnum);
775 			if (impl_ver == IMPL_XNTPD)
776 				pl->v6_flag = 0;
777 		} else {
778 			if (impl_ver == IMPL_XNTPD_OLD) {
779 				fprintf(stderr,
780 				    "***Server doesn't understand IPv6 addresses\n");
781 				return;
782 			}
783 			pl->addr6 = SOCK_ADDR6(&pcmd->argval[qitems].netnum);
784 			pl->v6_flag = 1;
785 		}
786 		pl->port = (u_short)s_port;
787 		pl->hmode = plist[qitems].flags = 0;
788 		pl = (void *)((char *)pl + sendsize);
789 	}
790 
791 	res = doquery(impl_ver, REQ_PEER_STATS, 0, qitems,
792 		      sendsize, (char *)plist, &items,
793 		      &itemsize, (void *)&pp, 0,
794 		      sizeof(struct info_peer_stats));
795 
796 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
797 		impl_ver = IMPL_XNTPD_OLD;
798 		goto again;
799 	}
800 
801 	if (res != 0)
802 		return;
803 
804 	if (!checkitems(items, fp))
805 	    return;
806 
807 	if (!checkitemsize(itemsize, sizeof(struct info_peer_stats)) &&
808 	    !checkitemsize(itemsize, v4sizeof(struct info_peer_stats)))
809 	    return;
810 
811 	while (items-- > 0) {
812 		ZERO_SOCK(&dst);
813 		ZERO_SOCK(&src);
814 		if (pp->v6_flag != 0) {
815 			AF(&dst) = AF_INET6;
816 			AF(&src) = AF_INET6;
817 			SOCK_ADDR6(&dst) = pp->dstadr6;
818 			SOCK_ADDR6(&src) = pp->srcadr6;
819 		} else {
820 			AF(&dst) = AF_INET;
821 			AF(&src) = AF_INET;
822 			NSRCADR(&dst) = pp->dstadr;
823 			NSRCADR(&src) = pp->srcadr;
824 		}
825 #ifdef ISC_PLATFORM_HAVESALEN
826 		src.sa.sa_len = SOCKLEN(&src);
827 		dst.sa.sa_len = SOCKLEN(&dst);
828 #endif
829 		fprintf(fp, "remote host:          %s\n",
830 			nntohost(&src));
831 		fprintf(fp, "local interface:      %s\n",
832 			stoa(&dst));
833 		fprintf(fp, "time last received:   %lus\n",
834 			(u_long)ntohl(pp->timereceived));
835 		fprintf(fp, "time until next send: %lus\n",
836 			(u_long)ntohl(pp->timetosend));
837 		fprintf(fp, "reachability change:  %lus\n",
838 			(u_long)ntohl(pp->timereachable));
839 		fprintf(fp, "packets sent:         %lu\n",
840 			(u_long)ntohl(pp->sent));
841 		fprintf(fp, "packets received:     %lu\n",
842 			(u_long)ntohl(pp->processed));
843 		fprintf(fp, "bad authentication:   %lu\n",
844 			(u_long)ntohl(pp->badauth));
845 		fprintf(fp, "bogus origin:         %lu\n",
846 			(u_long)ntohl(pp->bogusorg));
847 		fprintf(fp, "duplicate:            %lu\n",
848 			(u_long)ntohl(pp->oldpkt));
849 		fprintf(fp, "bad dispersion:       %lu\n",
850 			(u_long)ntohl(pp->seldisp));
851 		fprintf(fp, "bad reference time:   %lu\n",
852 			(u_long)ntohl(pp->selbroken));
853 		fprintf(fp, "candidate order:      %u\n",
854 			pp->candidate);
855 		if (items > 0)
856 			fprintf(fp, "\n");
857 		fprintf(fp, "flags:	");
858 		print_pflag(fp, ntohs(pp->flags));
859 		pp++;
860 	}
861 }
862 
863 
864 /*
865  * loopinfo - show loop filter information
866  */
867 static void
868 loopinfo(
869 	struct parse *pcmd,
870 	FILE *fp
871 	)
872 {
873 	struct info_loop *il;
874 	size_t items;
875 	size_t itemsize;
876 	int oneline = 0;
877 	int res;
878 	l_fp tempts;
879 
880 	if (pcmd->nargs > 0) {
881 		if (STREQ(pcmd->argval[0].string, "oneline"))
882 		    oneline = 1;
883 		else if (STREQ(pcmd->argval[0].string, "multiline"))
884 		    oneline = 0;
885 		else {
886 			(void) fprintf(stderr, "How many lines?\n");
887 			return;
888 		}
889 	}
890 
891 again:
892 	res = doquery(impl_ver, REQ_LOOP_INFO, 0, 0, 0, (char *)NULL,
893 		      &items, &itemsize, (void *)&il, 0,
894 		      sizeof(struct info_loop));
895 
896 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
897 		impl_ver = IMPL_XNTPD_OLD;
898 		goto again;
899 	}
900 
901 	if (res != 0)
902 	    return;
903 
904 	if (!check1item(items, fp))
905 	    return;
906 
907 	if (!checkitemsize(itemsize, sizeof(struct info_loop)))
908 	    return;
909 
910 	if (oneline) {
911 		l_fp temp2ts;
912 
913 		NTOHL_FP(&il->last_offset, &tempts);
914 		NTOHL_FP(&il->drift_comp, &temp2ts);
915 
916 		(void) fprintf(fp,
917 			       "offset %s, frequency %s, time_const %ld, watchdog %ld\n",
918 			       lfptoa(&tempts, 6),
919 			       lfptoa(&temp2ts, 3),
920 			       (long)(int32)ntohl((u_long)il->compliance),
921 			       (u_long)ntohl((u_long)il->watchdog_timer));
922 	} else {
923 		NTOHL_FP(&il->last_offset, &tempts);
924 		(void) fprintf(fp, "offset:               %s s\n",
925 			       lfptoa(&tempts, 6));
926 		NTOHL_FP(&il->drift_comp, &tempts);
927 		(void) fprintf(fp, "frequency:            %s ppm\n",
928 			       lfptoa(&tempts, 3));
929 		(void) fprintf(fp, "poll adjust:          %ld\n",
930 			       (long)(int32)ntohl(il->compliance));
931 		(void) fprintf(fp, "watchdog timer:       %ld s\n",
932 			       (u_long)ntohl(il->watchdog_timer));
933 	}
934 }
935 
936 
937 /*
938  * sysinfo - show current system state
939  */
940 /*ARGSUSED*/
941 static void
942 sysinfo(
943 	struct parse *pcmd,
944 	FILE *fp
945 	)
946 {
947 	struct info_sys *is;
948 	sockaddr_u peeraddr;
949 	size_t items;
950 	size_t itemsize;
951 	int res;
952 	l_fp tempts;
953 
954 again:
955 	res = doquery(impl_ver, REQ_SYS_INFO, 0, 0, 0, (char *)NULL,
956 		      &items, &itemsize, (void *)&is, 0,
957 		      sizeof(struct info_sys));
958 
959 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
960 		impl_ver = IMPL_XNTPD_OLD;
961 		goto again;
962 	}
963 
964 	if (res != 0)
965 	    return;
966 
967 	if (!check1item(items, fp))
968 	    return;
969 
970 	if (!checkitemsize(itemsize, sizeof(struct info_sys)) &&
971 	    !checkitemsize(itemsize, v4sizeof(struct info_sys)))
972 	    return;
973 
974 	SET_ADDR(peeraddr, is->v6_flag, is->peer, is->peer6);
975 
976 	(void) fprintf(fp, "system peer:          %s\n", nntohost(&peeraddr));
977 	(void) fprintf(fp, "system peer mode:     %s\n", modetoa(is->peer_mode));
978 	(void) fprintf(fp, "leap indicator:       %c%c\n",
979 		       is->leap & 0x2 ? '1' : '0',
980 		       is->leap & 0x1 ? '1' : '0');
981 	(void) fprintf(fp, "stratum:              %d\n", (int)is->stratum);
982 	(void) fprintf(fp, "precision:            %d\n", (int)is->precision);
983 	(void) fprintf(fp, "root distance:        %s s\n",
984 		       fptoa(NTOHS_FP(is->rootdelay), 5));
985 	(void) fprintf(fp, "root dispersion:      %s s\n",
986 		       ufptoa(NTOHS_FP(is->rootdispersion), 5));
987 	(void) fprintf(fp, "reference ID:         [%s]\n",
988 		       refid_string(is->refid, is->stratum));
989 	NTOHL_FP(&is->reftime, &tempts);
990 	(void) fprintf(fp, "reference time:       %s\n", prettydate(&tempts));
991 
992 	(void) fprintf(fp, "system flags:         ");
993 	if ((is->flags & (INFO_FLAG_BCLIENT | INFO_FLAG_AUTHENABLE |
994 	    INFO_FLAG_NTP | INFO_FLAG_KERNEL| INFO_FLAG_CAL |
995 	    INFO_FLAG_PPS_SYNC | INFO_FLAG_MONITOR | INFO_FLAG_FILEGEN)) == 0) {
996 		(void) fprintf(fp, "none\n");
997 	} else {
998 		if (is->flags & INFO_FLAG_BCLIENT)
999 		    (void) fprintf(fp, "bclient ");
1000 		if (is->flags & INFO_FLAG_AUTHENTICATE)
1001 		    (void) fprintf(fp, "auth ");
1002 		if (is->flags & INFO_FLAG_MONITOR)
1003 		    (void) fprintf(fp, "monitor ");
1004 		if (is->flags & INFO_FLAG_NTP)
1005 		    (void) fprintf(fp, "ntp ");
1006 		if (is->flags & INFO_FLAG_KERNEL)
1007 		    (void) fprintf(fp, "kernel ");
1008 		if (is->flags & INFO_FLAG_FILEGEN)
1009 		    (void) fprintf(fp, "stats ");
1010 		if (is->flags & INFO_FLAG_CAL)
1011 		    (void) fprintf(fp, "calibrate ");
1012 		if (is->flags & INFO_FLAG_PPS_SYNC)
1013 		    (void) fprintf(fp, "pps ");
1014 		(void) fprintf(fp, "\n");
1015 	}
1016 	(void) fprintf(fp, "jitter:               %s s\n",
1017 		       fptoa(ntohl(is->frequency), 6));
1018 	(void) fprintf(fp, "stability:            %s ppm\n",
1019 		       ufptoa(ntohl(is->stability), 3));
1020 	(void) fprintf(fp, "broadcastdelay:       %s s\n",
1021 		       fptoa(NTOHS_FP(is->bdelay), 6));
1022 	NTOHL_FP(&is->authdelay, &tempts);
1023 	(void) fprintf(fp, "authdelay:            %s s\n", lfptoa(&tempts, 6));
1024 }
1025 
1026 
1027 /*
1028  * sysstats - print system statistics
1029  */
1030 /*ARGSUSED*/
1031 static void
1032 sysstats(
1033 	struct parse *pcmd,
1034 	FILE *fp
1035 	)
1036 {
1037 	struct info_sys_stats *ss;
1038 	size_t items;
1039 	size_t itemsize;
1040 	int res;
1041 
1042 again:
1043 	res = doquery(impl_ver, REQ_SYS_STATS, 0, 0, 0, (char *)NULL,
1044 		      &items, &itemsize, (void *)&ss, 0,
1045 		      sizeof(struct info_sys_stats));
1046 
1047 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1048 		impl_ver = IMPL_XNTPD_OLD;
1049 		goto again;
1050 	}
1051 
1052 	if (res != 0)
1053 	    return;
1054 
1055 	if (!check1item(items, fp))
1056 	    return;
1057 
1058 	if (itemsize != sizeof(struct info_sys_stats) &&
1059 	    itemsize != sizeof(struct old_info_sys_stats)) {
1060 		/* issue warning according to new structure size */
1061 		checkitemsize(itemsize, sizeof(struct info_sys_stats));
1062 		return;
1063 	}
1064 	fprintf(fp, "time since restart:     %lu\n",
1065 		(u_long)ntohl(ss->timeup));
1066 	fprintf(fp, "time since reset:       %lu\n",
1067 		(u_long)ntohl(ss->timereset));
1068 	fprintf(fp, "packets received:       %lu\n",
1069 		(u_long)ntohl(ss->received));
1070 	fprintf(fp, "packets processed:      %lu\n",
1071 		(u_long)ntohl(ss->processed));
1072 	fprintf(fp, "current version:        %lu\n",
1073 		(u_long)ntohl(ss->newversionpkt));
1074 	fprintf(fp, "previous version:       %lu\n",
1075 		(u_long)ntohl(ss->oldversionpkt));
1076 	fprintf(fp, "declined:               %lu\n",
1077 		(u_long)ntohl(ss->unknownversion));
1078 	fprintf(fp, "access denied:          %lu\n",
1079 		(u_long)ntohl(ss->denied));
1080 	fprintf(fp, "bad length or format:   %lu\n",
1081 		(u_long)ntohl(ss->badlength));
1082 	fprintf(fp, "bad authentication:     %lu\n",
1083 		(u_long)ntohl(ss->badauth));
1084 	if (itemsize != sizeof(struct info_sys_stats))
1085 	    return;
1086 
1087 	fprintf(fp, "rate exceeded:          %lu\n",
1088 	       (u_long)ntohl(ss->limitrejected));
1089 }
1090 
1091 
1092 
1093 /*
1094  * iostats - print I/O statistics
1095  */
1096 /*ARGSUSED*/
1097 static void
1098 iostats(
1099 	struct parse *pcmd,
1100 	FILE *fp
1101 	)
1102 {
1103 	struct info_io_stats *io;
1104 	size_t items;
1105 	size_t itemsize;
1106 	int res;
1107 
1108 again:
1109 	res = doquery(impl_ver, REQ_IO_STATS, 0, 0, 0, NULL, &items,
1110 		      &itemsize, (void *)&io, 0, sizeof(*io));
1111 
1112 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1113 		impl_ver = IMPL_XNTPD_OLD;
1114 		goto again;
1115 	}
1116 
1117 	if (res != 0)
1118 		return;
1119 
1120 	if (!check1item(items, fp))
1121 		return;
1122 
1123 	if (!checkitemsize(itemsize, sizeof(*io)))
1124 		return;
1125 
1126 	fprintf(fp, "time since reset:     %lu\n",
1127 		(u_long)ntohl(io->timereset));
1128 	fprintf(fp, "receive buffers:      %u\n",
1129 		(u_int)ntohs(io->totalrecvbufs));
1130 	fprintf(fp, "free receive buffers: %u\n",
1131 		(u_int)ntohs(io->freerecvbufs));
1132 	fprintf(fp, "used receive buffers: %u\n",
1133 		(u_int)ntohs(io->fullrecvbufs));
1134 	fprintf(fp, "low water refills:    %u\n",
1135 		(u_int)ntohs(io->lowwater));
1136 	fprintf(fp, "dropped packets:      %lu\n",
1137 		(u_long)ntohl(io->dropped));
1138 	fprintf(fp, "ignored packets:      %lu\n",
1139 		(u_long)ntohl(io->ignored));
1140 	fprintf(fp, "received packets:     %lu\n",
1141 		(u_long)ntohl(io->received));
1142 	fprintf(fp, "packets sent:         %lu\n",
1143 		(u_long)ntohl(io->sent));
1144 	fprintf(fp, "packets not sent:     %lu\n",
1145 		(u_long)ntohl(io->notsent));
1146 	fprintf(fp, "interrupts handled:   %lu\n",
1147 		(u_long)ntohl(io->interrupts));
1148 	fprintf(fp, "received by int:      %lu\n",
1149 		(u_long)ntohl(io->int_received));
1150 }
1151 
1152 
1153 /*
1154  * memstats - print peer memory statistics
1155  */
1156 /*ARGSUSED*/
1157 static void
1158 memstats(
1159 	struct parse *pcmd,
1160 	FILE *fp
1161 	)
1162 {
1163 	struct info_mem_stats *mem;
1164 	int i;
1165 	size_t items;
1166 	size_t itemsize;
1167 	int res;
1168 
1169 again:
1170 	res = doquery(impl_ver, REQ_MEM_STATS, 0, 0, 0, NULL, &items,
1171 		      &itemsize, (void *)&mem, 0, sizeof(*mem));
1172 
1173 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1174 		impl_ver = IMPL_XNTPD_OLD;
1175 		goto again;
1176 	}
1177 
1178 	if (res != 0)
1179 		return;
1180 
1181 	if (!check1item(items, fp))
1182 		return;
1183 
1184 	if (!checkitemsize(itemsize, sizeof(*mem)))
1185 		return;
1186 
1187 	fprintf(fp, "time since reset:     %lu\n",
1188 		(u_long)ntohl(mem->timereset));
1189 	fprintf(fp, "total peer memory:    %u\n",
1190 		(u_int)ntohs(mem->totalpeermem));
1191 	fprintf(fp, "free peer memory:     %u\n",
1192 		(u_int)ntohs(mem->freepeermem));
1193 	fprintf(fp, "calls to findpeer:    %lu\n",
1194 		(u_long)ntohl(mem->findpeer_calls));
1195 	fprintf(fp, "new peer allocations: %lu\n",
1196 		(u_long)ntohl(mem->allocations));
1197 	fprintf(fp, "peer demobilizations: %lu\n",
1198 		(u_long)ntohl(mem->demobilizations));
1199 
1200 	fprintf(fp, "hash table counts:   ");
1201 	for (i = 0; i < NTP_HASH_SIZE; i++) {
1202 		fprintf(fp, "%4d", (int)mem->hashcount[i]);
1203 		if ((i % 8) == 7 && i != (NTP_HASH_SIZE-1))
1204 			fprintf(fp, "\n                     ");
1205 	}
1206 	fprintf(fp, "\n");
1207 }
1208 
1209 
1210 
1211 /*
1212  * timerstats - print timer statistics
1213  */
1214 /*ARGSUSED*/
1215 static void
1216 timerstats(
1217 	struct parse *pcmd,
1218 	FILE *fp
1219 	)
1220 {
1221 	struct info_timer_stats *tim;
1222 	size_t items;
1223 	size_t itemsize;
1224 	int res;
1225 
1226 again:
1227 	res = doquery(impl_ver, REQ_TIMER_STATS, 0, 0, 0, NULL, &items,
1228 		      &itemsize, (void *)&tim, 0, sizeof(*tim));
1229 
1230 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1231 		impl_ver = IMPL_XNTPD_OLD;
1232 		goto again;
1233 	}
1234 
1235 	if (res != 0)
1236 		return;
1237 
1238 	if (!check1item(items, fp))
1239 		return;
1240 
1241 	if (!checkitemsize(itemsize, sizeof(*tim)))
1242 		return;
1243 
1244 	fprintf(fp, "time since reset:  %lu\n",
1245 		(u_long)ntohl(tim->timereset));
1246 	fprintf(fp, "alarms handled:    %lu\n",
1247 		(u_long)ntohl(tim->alarms));
1248 	fprintf(fp, "alarm overruns:    %lu\n",
1249 		(u_long)ntohl(tim->overflows));
1250 	fprintf(fp, "calls to transmit: %lu\n",
1251 		(u_long)ntohl(tim->xmtcalls));
1252 }
1253 
1254 
1255 /*
1256  * addpeer - configure an active mode association
1257  */
1258 static void
1259 addpeer(
1260 	struct parse *pcmd,
1261 	FILE *fp
1262 	)
1263 {
1264 	doconfig(pcmd, fp, MODE_ACTIVE, 0);
1265 }
1266 
1267 
1268 /*
1269  * addserver - configure a client mode association
1270  */
1271 static void
1272 addserver(
1273 	struct parse *pcmd,
1274 	FILE *fp
1275 	)
1276 {
1277 	doconfig(pcmd, fp, MODE_CLIENT, 0);
1278 }
1279 
1280 /*
1281  * addrefclock - configure a reference clock association
1282  */
1283 static void
1284 addrefclock(
1285 	struct parse *pcmd,
1286 	FILE *fp
1287 	)
1288 {
1289 	doconfig(pcmd, fp, MODE_CLIENT, 1);
1290 }
1291 
1292 /*
1293  * broadcast - configure a broadcast mode association
1294  */
1295 static void
1296 broadcast(
1297 	struct parse *pcmd,
1298 	FILE *fp
1299 	)
1300 {
1301 	doconfig(pcmd, fp, MODE_BROADCAST, 0);
1302 }
1303 
1304 
1305 /*
1306  * config - configure a new peer association
1307  */
1308 static void
1309 doconfig(
1310 	struct parse *pcmd,
1311 	FILE *fp,
1312 	int mode,
1313 	int refc
1314 	)
1315 {
1316 	struct conf_peer cpeer;
1317 	size_t items;
1318 	size_t itemsize;
1319 	const char *dummy;
1320 	u_long keyid;
1321 	u_int version;
1322 	u_char minpoll;
1323 	u_char maxpoll;
1324 	u_int flags;
1325 	u_char cmode;
1326 	int res;
1327 	int sendsize;
1328 	int numtyp;
1329 	long val;
1330 
1331 again:
1332 	keyid = 0;
1333 	version = 3;
1334 	flags = 0;
1335 	res = FALSE;
1336 	cmode = 0;
1337 	minpoll = NTP_MINDPOLL;
1338 	maxpoll = NTP_MAXDPOLL;
1339 	numtyp = 1;
1340 	if (refc)
1341 		numtyp = 5;
1342 
1343 	if (impl_ver == IMPL_XNTPD)
1344 		sendsize = sizeof(struct conf_peer);
1345 	else
1346 		sendsize = v4sizeof(struct conf_peer);
1347 
1348 	items = 1;
1349 	while (pcmd->nargs > (size_t)items) {
1350 		if (STREQ(pcmd->argval[items].string, "prefer"))
1351 			flags |= CONF_FLAG_PREFER;
1352 		else if (STREQ(pcmd->argval[items].string, "burst"))
1353 			flags |= CONF_FLAG_BURST;
1354 		else if (STREQ(pcmd->argval[items].string, "iburst"))
1355 			flags |= CONF_FLAG_IBURST;
1356 		else if (!refc && STREQ(pcmd->argval[items].string, "keyid"))
1357 			numtyp = 1;
1358 		else if (!refc && STREQ(pcmd->argval[items].string, "version"))
1359 			numtyp = 2;
1360 		else if (STREQ(pcmd->argval[items].string, "minpoll"))
1361 			numtyp = 3;
1362 		else if (STREQ(pcmd->argval[items].string, "maxpoll"))
1363 			numtyp = 4;
1364 		else {
1365 			if (!atoint(pcmd->argval[items].string, &val))
1366 				numtyp = 0;
1367 			switch (numtyp) {
1368 			case 1:
1369 				keyid = val;
1370 				numtyp = 2;
1371 				break;
1372 
1373 			case 2:
1374 				version = (u_int)val;
1375 				numtyp = 0;
1376 				break;
1377 
1378 			case 3:
1379 				minpoll = (u_char)val;
1380 				numtyp = 0;
1381 				break;
1382 
1383 			case 4:
1384 				maxpoll = (u_char)val;
1385 				numtyp = 0;
1386 				break;
1387 
1388 			case 5:
1389 				cmode = (u_char)val;
1390 				numtyp = 0;
1391 				break;
1392 
1393 			default:
1394 				fprintf(fp, "*** '%s' not understood\n",
1395 					pcmd->argval[items].string);
1396 				res = TRUE;
1397 				numtyp = 0;
1398 			}
1399 			if (val < 0) {
1400 				fprintf(stderr,
1401 					"*** Value '%s' should be unsigned\n",
1402 					pcmd->argval[items].string);
1403 				res = TRUE;
1404 			}
1405 		}
1406 		items++;
1407 	}
1408 	if (keyid > 0)
1409 		flags |= CONF_FLAG_AUTHENABLE;
1410 	if (version > NTP_VERSION || version < NTP_OLDVERSION) {
1411 		fprintf(fp, "***invalid version number: %u\n",
1412 			version);
1413 		res = TRUE;
1414 	}
1415 	if (minpoll < NTP_MINPOLL || minpoll > NTP_MAXPOLL ||
1416 	    maxpoll < NTP_MINPOLL || maxpoll > NTP_MAXPOLL ||
1417 	    minpoll > maxpoll) {
1418 		fprintf(fp, "***min/max-poll must be within %d..%d\n",
1419 			NTP_MINPOLL, NTP_MAXPOLL);
1420 		res = TRUE;
1421 	}
1422 
1423 	if (res)
1424 		return;
1425 
1426 	ZERO(cpeer);
1427 
1428 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1429 		cpeer.peeraddr = NSRCADR(&pcmd->argval[0].netnum);
1430 		if (impl_ver == IMPL_XNTPD)
1431 			cpeer.v6_flag = 0;
1432 	} else {
1433 		if (impl_ver == IMPL_XNTPD_OLD) {
1434 			fprintf(stderr,
1435 			    "***Server doesn't understand IPv6 addresses\n");
1436 			return;
1437 		}
1438 		cpeer.peeraddr6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
1439 		cpeer.v6_flag = 1;
1440 	}
1441 	cpeer.hmode = (u_char) mode;
1442 	cpeer.keyid = keyid;
1443 	cpeer.version = (u_char) version;
1444 	cpeer.minpoll = minpoll;
1445 	cpeer.maxpoll = maxpoll;
1446 	cpeer.flags = (u_char)flags;
1447 	cpeer.ttl = cmode;
1448 
1449 	res = doquery(impl_ver, REQ_CONFIG, 1, 1,
1450 		      sendsize, (char *)&cpeer, &items,
1451 		      &itemsize, &dummy, 0, sizeof(struct conf_peer));
1452 
1453 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1454 		impl_ver = IMPL_XNTPD_OLD;
1455 		goto again;
1456 	}
1457 
1458 	if (res == INFO_ERR_FMT) {
1459 		(void) fprintf(fp,
1460 		    "***Retrying command with old conf_peer size\n");
1461 		res = doquery(impl_ver, REQ_CONFIG, 1, 1,
1462 			      sizeof(struct old_conf_peer), (char *)&cpeer,
1463 			      &items, &itemsize, &dummy, 0,
1464 			      sizeof(struct conf_peer));
1465 	}
1466 	if (res == 0)
1467 	    (void) fprintf(fp, "done!\n");
1468 	return;
1469 }
1470 
1471 
1472 /*
1473  * unconfig - unconfigure some associations
1474  */
1475 static void
1476 unconfig(
1477 	struct parse *pcmd,
1478 	FILE *fp
1479 	)
1480 {
1481 	/* 8 is the maximum number of peers which will fit in a packet */
1482 	struct conf_unpeer *pl, plist[min(MAXARGS, 8)];
1483 	size_t qitemlim;
1484 	size_t qitems;
1485 	size_t items;
1486 	size_t itemsize;
1487 	const char *dummy;
1488 	int res;
1489 	size_t sendsize;
1490 
1491 again:
1492 	if (impl_ver == IMPL_XNTPD)
1493 		sendsize = sizeof(struct conf_unpeer);
1494 	else
1495 		sendsize = v4sizeof(struct conf_unpeer);
1496 
1497 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
1498 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
1499 		if (IS_IPV4(&pcmd->argval[0].netnum)) {
1500 			pl->peeraddr = NSRCADR(&pcmd->argval[qitems].netnum);
1501 			if (impl_ver == IMPL_XNTPD)
1502 				pl->v6_flag = 0;
1503 		} else {
1504 			if (impl_ver == IMPL_XNTPD_OLD) {
1505 				fprintf(stderr,
1506 				    "***Server doesn't understand IPv6 addresses\n");
1507 				return;
1508 			}
1509 			pl->peeraddr6 =
1510 			    SOCK_ADDR6(&pcmd->argval[qitems].netnum);
1511 			pl->v6_flag = 1;
1512 		}
1513 		pl = (void *)((char *)pl + sendsize);
1514 	}
1515 
1516 	res = doquery(impl_ver, REQ_UNCONFIG, 1, qitems,
1517 		      sendsize, (char *)plist, &items,
1518 		      &itemsize, &dummy, 0, sizeof(struct conf_unpeer));
1519 
1520 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1521 		impl_ver = IMPL_XNTPD_OLD;
1522 		goto again;
1523 	}
1524 
1525 	if (res == 0)
1526 	    (void) fprintf(fp, "done!\n");
1527 }
1528 
1529 
1530 /*
1531  * set - set some system flags
1532  */
1533 static void
1534 set(
1535 	struct parse *pcmd,
1536 	FILE *fp
1537 	)
1538 {
1539 	doset(pcmd, fp, REQ_SET_SYS_FLAG);
1540 }
1541 
1542 
1543 /*
1544  * clear - clear some system flags
1545  */
1546 static void
1547 sys_clear(
1548 	struct parse *pcmd,
1549 	FILE *fp
1550 	)
1551 {
1552 	doset(pcmd, fp, REQ_CLR_SYS_FLAG);
1553 }
1554 
1555 
1556 /*
1557  * doset - set/clear system flags
1558  */
1559 static void
1560 doset(
1561 	struct parse *pcmd,
1562 	FILE *fp,
1563 	int req
1564 	)
1565 {
1566 	struct conf_sys_flags sys;
1567 	size_t items;
1568 	size_t itemsize;
1569 	const char *dummy;
1570 	int res;
1571 
1572 	sys.flags = 0;
1573 	res = 0;
1574 	for (items = 0; (size_t)items < pcmd->nargs; items++) {
1575 		if (STREQ(pcmd->argval[items].string, "auth"))
1576 			sys.flags |= SYS_FLAG_AUTH;
1577 		else if (STREQ(pcmd->argval[items].string, "bclient"))
1578 			sys.flags |= SYS_FLAG_BCLIENT;
1579 		else if (STREQ(pcmd->argval[items].string, "calibrate"))
1580 			sys.flags |= SYS_FLAG_CAL;
1581 		else if (STREQ(pcmd->argval[items].string, "kernel"))
1582 			sys.flags |= SYS_FLAG_KERNEL;
1583 		else if (STREQ(pcmd->argval[items].string, "monitor"))
1584 			sys.flags |= SYS_FLAG_MONITOR;
1585 		else if (STREQ(pcmd->argval[items].string, "ntp"))
1586 			sys.flags |= SYS_FLAG_NTP;
1587 		else if (STREQ(pcmd->argval[items].string, "pps"))
1588 			sys.flags |= SYS_FLAG_PPS;
1589 		else if (STREQ(pcmd->argval[items].string, "stats"))
1590 			sys.flags |= SYS_FLAG_FILEGEN;
1591 		else {
1592 			(void) fprintf(fp, "Unknown flag %s\n",
1593 			    pcmd->argval[items].string);
1594 			res = 1;
1595 		}
1596 	}
1597 
1598 	sys.flags = htonl(sys.flags);
1599 	if (res || sys.flags == 0)
1600 	    return;
1601 
1602 again:
1603 	res = doquery(impl_ver, req, 1, 1,
1604 		      sizeof(struct conf_sys_flags), (char *)&sys, &items,
1605 		      &itemsize, &dummy, 0, sizeof(struct conf_sys_flags));
1606 
1607 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1608 		impl_ver = IMPL_XNTPD_OLD;
1609 		goto again;
1610 	}
1611 
1612 	if (res == 0)
1613 	    (void) fprintf(fp, "done!\n");
1614 }
1615 
1616 
1617 /*
1618  * data for printing/interrpreting the restrict flags
1619  */
1620 struct resflags {
1621   const char *str;
1622 	int bit;
1623 };
1624 
1625 /* XXX: HMS: we apparently don't report set bits we do not recognize. */
1626 
1627 static struct resflags resflagsV2[] = {
1628 	{ "ignore",	0x001 },
1629 	{ "noserve",	0x002 },
1630 	{ "notrust",	0x004 },
1631 	{ "noquery",	0x008 },
1632 	{ "nomodify",	0x010 },
1633 	{ "nopeer",	0x020 },
1634 	{ "notrap",	0x040 },
1635 	{ "lptrap",	0x080 },
1636 	{ "limited",	0x100 },
1637 	{ "",		0 }
1638 };
1639 
1640 static struct resflags resflagsV3[] = {
1641 	{ "ignore",	RES_IGNORE },
1642 	{ "noserve",	RES_DONTSERVE },
1643 	{ "notrust",	RES_DONTTRUST },
1644 	{ "noquery",	RES_NOQUERY },
1645 	{ "nomodify",	RES_NOMODIFY },
1646 	{ "nopeer",	RES_NOPEER },
1647 	{ "notrap",	RES_NOTRAP },
1648 	{ "lptrap",	RES_LPTRAP },
1649 	{ "limited",	RES_LIMITED },
1650 	{ "version",	RES_VERSION },
1651 	{ "kod",	RES_KOD },
1652 	{ "flake",	RES_FLAKE },
1653 
1654 	{ "",		0 }
1655 };
1656 
1657 static struct resflags resmflags[] = {
1658 	{ "ntpport",	RESM_NTPONLY },
1659 	{ "interface",	RESM_INTERFACE },
1660 	{ "source",	RESM_SOURCE },
1661 	{ "",		0 }
1662 };
1663 
1664 
1665 /*
1666  * reslist - obtain and print the server's restrict list
1667  */
1668 /*ARGSUSED*/
1669 static void
1670 reslist(
1671 	struct parse *pcmd,
1672 	FILE *fp
1673 	)
1674 {
1675 	struct info_restrict *rl;
1676 	sockaddr_u resaddr;
1677 	sockaddr_u maskaddr;
1678 	size_t items;
1679 	size_t itemsize;
1680 	int res;
1681 	int skip;
1682 	const char *addr;
1683 	const char *mask;
1684 	struct resflags *rf;
1685 	u_int32 count;
1686 	u_short flags;
1687 	u_short mflags;
1688 	char flagstr[300];
1689 	static const char *comma = ", ";
1690 
1691 again:
1692 	res = doquery(impl_ver, REQ_GET_RESTRICT, 0, 0, 0, (char *)NULL,
1693 		      &items, &itemsize, (void *)&rl, 0,
1694 		      sizeof(struct info_restrict));
1695 
1696 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1697 		impl_ver = IMPL_XNTPD_OLD;
1698 		goto again;
1699 	}
1700 
1701 	if (res != 0)
1702 		return;
1703 
1704 	if (!checkitems(items, fp))
1705 		return;
1706 
1707 	if (!checkitemsize(itemsize, sizeof(struct info_restrict)) &&
1708 	    !checkitemsize(itemsize, v4sizeof(struct info_restrict)))
1709 		return;
1710 
1711 	fprintf(fp,
1712 		"   address          mask            count        flags\n");
1713 	fprintf(fp,
1714 		"=====================================================================\n");
1715 
1716 	while (items > 0) {
1717 		SET_ADDRS(resaddr, maskaddr, rl, addr, mask);
1718 		if (rl->v6_flag != 0) {
1719 			addr = nntohost(&resaddr);
1720 		} else {
1721 			if (rl->mask == (u_int32)0xffffffff)
1722 				addr = nntohost(&resaddr);
1723 			else
1724 				addr = stoa(&resaddr);
1725 		}
1726 		mask = stoa(&maskaddr);
1727 		skip = 1;
1728 		if ((pcmd->nargs == 0) ||
1729 		    ((pcmd->argval->ival == 6) && (rl->v6_flag != 0)) ||
1730 		    ((pcmd->argval->ival == 4) && (rl->v6_flag == 0)))
1731 			skip = 0;
1732 		count = ntohl(rl->count);
1733 		flags = ntohs(rl->flags);
1734 		mflags = ntohs(rl->mflags);
1735 		flagstr[0] = '\0';
1736 
1737 		res = 1;
1738 		rf = &resmflags[0];
1739 		while (rf->bit != 0) {
1740 			if (mflags & rf->bit) {
1741 				if (!res)
1742 					strlcat(flagstr, comma,
1743 						sizeof(flagstr));
1744 				res = 0;
1745 				strlcat(flagstr, rf->str,
1746 					sizeof(flagstr));
1747 			}
1748 			rf++;
1749 		}
1750 
1751 		rf = (impl_ver == IMPL_XNTPD_OLD)
1752 			 ? &resflagsV2[0]
1753 			 : &resflagsV3[0];
1754 
1755 		while (rf->bit != 0) {
1756 			if (flags & rf->bit) {
1757 				if (!res)
1758 					strlcat(flagstr, comma,
1759 						sizeof(flagstr));
1760 				res = 0;
1761 				strlcat(flagstr, rf->str,
1762 					sizeof(flagstr));
1763 			}
1764 			rf++;
1765 		}
1766 
1767 		if (flagstr[0] == '\0')
1768 			strlcpy(flagstr, "none", sizeof(flagstr));
1769 
1770 		if (!skip)
1771 			fprintf(fp, "%-15.15s %-15.15s %9lu  %s\n",
1772 				addr, mask, (u_long)count, flagstr);
1773 		rl++;
1774 		items--;
1775 	}
1776 }
1777 
1778 
1779 
1780 /*
1781  * new_restrict - create/add a set of restrictions
1782  */
1783 static void
1784 new_restrict(
1785 	struct parse *pcmd,
1786 	FILE *fp
1787 	)
1788 {
1789 	do_restrict(pcmd, fp, REQ_RESADDFLAGS);
1790 }
1791 
1792 
1793 /*
1794  * unrestrict - remove restriction flags from existing entry
1795  */
1796 static void
1797 unrestrict(
1798 	struct parse *pcmd,
1799 	FILE *fp
1800 	)
1801 {
1802 	do_restrict(pcmd, fp, REQ_RESSUBFLAGS);
1803 }
1804 
1805 
1806 /*
1807  * delrestrict - delete an existing restriction
1808  */
1809 static void
1810 delrestrict(
1811 	struct parse *pcmd,
1812 	FILE *fp
1813 	)
1814 {
1815 	do_restrict(pcmd, fp, REQ_UNRESTRICT);
1816 }
1817 
1818 
1819 /*
1820  * do_restrict - decode commandline restrictions and make the request
1821  */
1822 static void
1823 do_restrict(
1824 	struct parse *pcmd,
1825 	FILE *fp,
1826 	int req_code
1827 	)
1828 {
1829 	struct conf_restrict cres;
1830 	size_t items;
1831 	size_t itemsize;
1832 	const char *dummy;
1833 	u_int32 num;
1834 	u_long bit;
1835 	int i;
1836 	size_t res;
1837 	int err;
1838 	int sendsize;
1839 
1840 	/* Initialize cres */
1841 	cres.addr = 0;
1842 	cres.mask = 0;
1843 	cres.flags = 0;
1844 	cres.mflags = 0;
1845 	cres.v6_flag = 0;
1846 
1847 again:
1848 	if (impl_ver == IMPL_XNTPD)
1849 		sendsize = sizeof(struct conf_restrict);
1850 	else
1851 		sendsize = v4sizeof(struct conf_restrict);
1852 
1853 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1854 		cres.addr = NSRCADR(&pcmd->argval[0].netnum);
1855 		cres.mask = NSRCADR(&pcmd->argval[1].netnum);
1856 		if (impl_ver == IMPL_XNTPD)
1857 			cres.v6_flag = 0;
1858 	} else {
1859 		if (impl_ver == IMPL_XNTPD_OLD) {
1860 			fprintf(stderr,
1861 				"***Server doesn't understand IPv6 addresses\n");
1862 			return;
1863 		}
1864 		cres.addr6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
1865 		cres.v6_flag = 1;
1866 	}
1867 	cres.flags = 0;
1868 	cres.mflags = 0;
1869 	err = FALSE;
1870 	for (res = 2; res < pcmd->nargs; res++) {
1871 		if (STREQ(pcmd->argval[res].string, "ntpport")) {
1872 			cres.mflags |= RESM_NTPONLY;
1873 		} else {
1874 			for (i = 0; resflagsV3[i].bit != 0; i++) {
1875 				if (STREQ(pcmd->argval[res].string,
1876 					  resflagsV3[i].str))
1877 					break;
1878 			}
1879 			if (resflagsV3[i].bit != 0) {
1880 				cres.flags |= resflagsV3[i].bit;
1881 				if (req_code == REQ_UNRESTRICT) {
1882 					fprintf(fp,
1883 						"Flag %s inappropriate\n",
1884 						resflagsV3[i].str);
1885 					err = TRUE;
1886 				}
1887 			} else {
1888 				fprintf(fp, "Unknown flag %s\n",
1889 					pcmd->argval[res].string);
1890 				err = TRUE;
1891 			}
1892 		}
1893 	}
1894 	cres.flags = htons(cres.flags);
1895 	cres.mflags = htons(cres.mflags);
1896 
1897 	/*
1898 	 * Make sure mask for default address is zero.  Otherwise,
1899 	 * make sure mask bits are contiguous.
1900 	 */
1901 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
1902 		if (cres.addr == 0) {
1903 			cres.mask = 0;
1904 		} else {
1905 			num = ntohl(cres.mask);
1906 			for (bit = 0x80000000; bit != 0; bit >>= 1)
1907 				if ((num & bit) == 0)
1908 					break;
1909 			for ( ; bit != 0; bit >>= 1)
1910 				if ((num & bit) != 0)
1911 					break;
1912 			if (bit != 0) {
1913 				fprintf(fp, "Invalid mask %s\n",
1914 					numtoa(cres.mask));
1915 				err = TRUE;
1916 			}
1917 		}
1918 	} else {
1919 		/* XXX IPv6 sanity checking stuff */
1920 	}
1921 
1922 	if (err)
1923 		return;
1924 
1925 	res = doquery(impl_ver, req_code, 1, 1, sendsize, (char *)&cres,
1926 		      &items, &itemsize, &dummy, 0, sizeof(cres));
1927 
1928 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1929 		impl_ver = IMPL_XNTPD_OLD;
1930 		goto again;
1931 	}
1932 
1933 	if (res == 0)
1934 	    (void) fprintf(fp, "done!\n");
1935 	return;
1936 }
1937 
1938 
1939 /*
1940  * monlist - obtain and print the server's monitor data
1941  */
1942 /*ARGSUSED*/
1943 static void
1944 monlist(
1945 	struct parse *pcmd,
1946 	FILE *fp
1947 	)
1948 {
1949 	const char *struct_star;
1950 	const struct info_monitor *ml;
1951 	const struct info_monitor_1 *m1;
1952 	const struct old_info_monitor *oml;
1953 	sockaddr_u addr;
1954 	sockaddr_u dstadr;
1955 	size_t items;
1956 	size_t itemsize;
1957 	int res;
1958 	int version = -1;
1959 
1960 	if (pcmd->nargs > 0)
1961 		version = pcmd->argval[0].ival;
1962 
1963 again:
1964 	res = doquery(impl_ver,
1965 		      (version == 1 || version == -1) ? REQ_MON_GETLIST_1 :
1966 		      REQ_MON_GETLIST, 0, 0, 0, NULL,
1967 		      &items, &itemsize, &struct_star,
1968 		      (version < 0) ? (1 << INFO_ERR_REQ) : 0,
1969 		      sizeof(struct info_monitor_1));
1970 
1971 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
1972 		impl_ver = IMPL_XNTPD_OLD;
1973 		goto again;
1974 	}
1975 
1976 	if (res == INFO_ERR_REQ && version < 0)
1977 		res = doquery(impl_ver, REQ_MON_GETLIST, 0, 0, 0, NULL,
1978 			      &items, &itemsize, &struct_star, 0,
1979 			      sizeof(struct info_monitor));
1980 
1981 	if (res != 0)
1982 		return;
1983 
1984 	if (!checkitems(items, fp))
1985 		return;
1986 
1987 	if (itemsize == sizeof(struct info_monitor_1) ||
1988 	    itemsize == v4sizeof(struct info_monitor_1)) {
1989 
1990 	    m1 = (const void*)struct_star;
1991 		fprintf(fp,
1992 			"remote address          port local address      count m ver rstr avgint  lstint\n");
1993 		fprintf(fp,
1994 			"===============================================================================\n");
1995 		while (items > 0) {
1996 			SET_ADDRS(dstadr, addr, m1, daddr, addr);
1997 			if ((pcmd->nargs == 0) ||
1998 			    ((pcmd->argval->ival == 6) && (m1->v6_flag != 0)) ||
1999 			    ((pcmd->argval->ival == 4) && (m1->v6_flag == 0)))
2000 				fprintf(fp,
2001 				    "%-22.22s %5d %-15s %8lu %1u %1u %6lx %6lu %7lu\n",
2002 				    nntohost(&addr),
2003 				    ntohs(m1->port),
2004 				    stoa(&dstadr),
2005 				    (u_long)ntohl(m1->count),
2006 				    m1->mode,
2007 				    m1->version,
2008 				    (u_long)ntohl(m1->restr),
2009 				    (u_long)ntohl(m1->avg_int),
2010 				    (u_long)ntohl(m1->last_int));
2011 			m1++;
2012 			items--;
2013 		}
2014 	} else if (itemsize == sizeof(struct info_monitor) ||
2015 	    itemsize == v4sizeof(struct info_monitor)) {
2016 
2017 		ml = (const void *)struct_star;
2018 		fprintf(fp,
2019 			"     address               port     count mode ver rstr avgint  lstint\n");
2020 		fprintf(fp,
2021 			"===============================================================================\n");
2022 		while (items > 0) {
2023 			SET_ADDR(dstadr, ml->v6_flag, ml->addr, ml->addr6);
2024 			if ((pcmd->nargs == 0) ||
2025 			    ((pcmd->argval->ival == 6) && (ml->v6_flag != 0)) ||
2026 			    ((pcmd->argval->ival == 4) && (ml->v6_flag == 0)))
2027 				fprintf(fp,
2028 				    "%-25.25s %5u %9lu %4u %2u %9lx %9lu %9lu\n",
2029 				    nntohost(&dstadr),
2030 				    ntohs(ml->port),
2031 				    (u_long)ntohl(ml->count),
2032 				    ml->mode,
2033 				    ml->version,
2034 				    (u_long)ntohl(ml->restr),
2035 				    (u_long)ntohl(ml->avg_int),
2036 				    (u_long)ntohl(ml->last_int));
2037 			ml++;
2038 			items--;
2039 		}
2040 	} else if (itemsize == sizeof(struct old_info_monitor)) {
2041 
2042 		oml = (const void *)struct_star;
2043 		fprintf(fp,
2044 			"     address          port     count  mode version  lasttime firsttime\n");
2045 		fprintf(fp,
2046 			"======================================================================\n");
2047 		while (items > 0) {
2048 			SET_ADDR(dstadr, oml->v6_flag, oml->addr, oml->addr6);
2049 			fprintf(fp, "%-20.20s %5u %9lu %4u   %3u %9lu %9lu\n",
2050 				nntohost(&dstadr),
2051 				ntohs(oml->port),
2052 				(u_long)ntohl(oml->count),
2053 				oml->mode,
2054 				oml->version,
2055 				(u_long)ntohl(oml->lasttime),
2056 				(u_long)ntohl(oml->firsttime));
2057 			oml++;
2058 			items--;
2059 		}
2060 	} else {
2061 		/* issue warning according to new info_monitor size */
2062 		checkitemsize(itemsize, sizeof(struct info_monitor));
2063 	}
2064 }
2065 
2066 
2067 /*
2068  * Mapping between command line strings and stat reset flags
2069  */
2070 struct statreset {
2071 	const char * const	str;
2072 	const int		flag;
2073 } sreset[] = {
2074 	{ "allpeers",	RESET_FLAG_ALLPEERS },
2075 	{ "io",		RESET_FLAG_IO },
2076 	{ "sys",	RESET_FLAG_SYS },
2077 	{ "mem",	RESET_FLAG_MEM },
2078 	{ "timer",	RESET_FLAG_TIMER },
2079 	{ "auth",	RESET_FLAG_AUTH },
2080 	{ "ctl",	RESET_FLAG_CTL },
2081 	{ "",		0 }
2082 };
2083 
2084 /*
2085  * reset - reset statistic counters
2086  */
2087 static void
2088 reset(
2089 	struct parse *pcmd,
2090 	FILE *fp
2091 	)
2092 {
2093 	struct reset_flags rflags;
2094 	size_t items;
2095 	size_t itemsize;
2096 	const char *dummy;
2097 	int i;
2098 	size_t res;
2099 	int err;
2100 
2101 	err = 0;
2102 	rflags.flags = 0;
2103 	for (res = 0; res < pcmd->nargs; res++) {
2104 		for (i = 0; sreset[i].flag != 0; i++) {
2105 			if (STREQ(pcmd->argval[res].string, sreset[i].str))
2106 				break;
2107 		}
2108 		if (sreset[i].flag == 0) {
2109 			fprintf(fp, "Flag %s unknown\n",
2110 				pcmd->argval[res].string);
2111 			err++;
2112 		} else {
2113 			rflags.flags |= sreset[i].flag;
2114 		}
2115 	}
2116 	rflags.flags = htonl(rflags.flags);
2117 
2118 	if (err) {
2119 		(void) fprintf(fp, "Not done due to errors\n");
2120 		return;
2121 	}
2122 
2123 again:
2124 	res = doquery(impl_ver, REQ_RESET_STATS, 1, 1,
2125 		      sizeof(struct reset_flags), (char *)&rflags, &items,
2126 		      &itemsize, &dummy, 0, sizeof(struct reset_flags));
2127 
2128 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2129 		impl_ver = IMPL_XNTPD_OLD;
2130 		goto again;
2131 	}
2132 
2133 	if (res == 0)
2134 	    (void) fprintf(fp, "done!\n");
2135 	return;
2136 }
2137 
2138 
2139 
2140 /*
2141  * preset - reset stat counters for particular peers
2142  */
2143 static void
2144 preset(
2145 	struct parse *pcmd,
2146 	FILE *fp
2147 	)
2148 {
2149 	/* 8 is the maximum number of peers which will fit in a packet */
2150 	struct conf_unpeer *pl, plist[min(MAXARGS, 8)];
2151 	size_t qitemlim;
2152 	size_t qitems;
2153 	size_t items;
2154 	size_t itemsize;
2155 	const char *dummy;
2156 	int res;
2157 	size_t sendsize;
2158 
2159 again:
2160 	if (impl_ver == IMPL_XNTPD)
2161 		sendsize = sizeof(struct conf_unpeer);
2162 	else
2163 		sendsize = v4sizeof(struct conf_unpeer);
2164 
2165 	qitemlim = min(pcmd->nargs, COUNTOF(plist));
2166 	for (qitems = 0, pl = plist; qitems < qitemlim; qitems++) {
2167 		if (IS_IPV4(&pcmd->argval[qitems].netnum)) {
2168 			pl->peeraddr = NSRCADR(&pcmd->argval[qitems].netnum);
2169 			if (impl_ver == IMPL_XNTPD)
2170 				pl->v6_flag = 0;
2171 		} else {
2172 			if (impl_ver == IMPL_XNTPD_OLD) {
2173 				fprintf(stderr,
2174 				    "***Server doesn't understand IPv6 addresses\n");
2175 				return;
2176 			}
2177 			pl->peeraddr6 =
2178 			    SOCK_ADDR6(&pcmd->argval[qitems].netnum);
2179 			pl->v6_flag = 1;
2180 		}
2181 		pl = (void *)((char *)pl + sendsize);
2182 	}
2183 
2184 	res = doquery(impl_ver, REQ_RESET_PEER, 1, qitems,
2185 		      sendsize, (char *)plist, &items,
2186 		      &itemsize, &dummy, 0, sizeof(struct conf_unpeer));
2187 
2188 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2189 		impl_ver = IMPL_XNTPD_OLD;
2190 		goto again;
2191 	}
2192 
2193 	if (res == 0)
2194 	    (void) fprintf(fp, "done!\n");
2195 }
2196 
2197 
2198 /*
2199  * readkeys - request the server to reread the keys file
2200  */
2201 /*ARGSUSED*/
2202 static void
2203 readkeys(
2204 	struct parse *pcmd,
2205 	FILE *fp
2206 	)
2207 {
2208 	size_t items;
2209 	size_t itemsize;
2210 	const char *dummy;
2211 	int res;
2212 
2213 again:
2214 	res = doquery(impl_ver, REQ_REREAD_KEYS, 1, 0, 0, (char *)0,
2215 		      &items, &itemsize, &dummy, 0, sizeof(dummy));
2216 
2217 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2218 		impl_ver = IMPL_XNTPD_OLD;
2219 		goto again;
2220 	}
2221 
2222 	if (res == 0)
2223 	    (void) fprintf(fp, "done!\n");
2224 	return;
2225 }
2226 
2227 
2228 /*
2229  * trustkey - add some keys to the trusted key list
2230  */
2231 static void
2232 trustkey(
2233 	struct parse *pcmd,
2234 	FILE *fp
2235 	)
2236 {
2237 	do_trustkey(pcmd, fp, REQ_TRUSTKEY);
2238 }
2239 
2240 
2241 /*
2242  * untrustkey - remove some keys from the trusted key list
2243  */
2244 static void
2245 untrustkey(
2246 	struct parse *pcmd,
2247 	FILE *fp
2248 	)
2249 {
2250 	do_trustkey(pcmd, fp, REQ_UNTRUSTKEY);
2251 }
2252 
2253 
2254 /*
2255  * do_trustkey - do grunge work of adding/deleting keys
2256  */
2257 static void
2258 do_trustkey(
2259 	struct parse *pcmd,
2260 	FILE *fp,
2261 	int req
2262 	)
2263 {
2264 	u_long keyids[MAXARGS];
2265 	size_t i;
2266 	size_t items;
2267 	size_t itemsize;
2268 	const char *dummy;
2269 	int ritems;
2270 	int res;
2271 
2272 	ritems = 0;
2273 	for (i = 0; i < pcmd->nargs; i++) {
2274 		keyids[ritems++] = pcmd->argval[i].uval;
2275 	}
2276 
2277 again:
2278 	res = doquery(impl_ver, req, 1, ritems, sizeof(u_long),
2279 		      (char *)keyids, &items, &itemsize, &dummy, 0,
2280 		      sizeof(dummy));
2281 
2282 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2283 		impl_ver = IMPL_XNTPD_OLD;
2284 		goto again;
2285 	}
2286 
2287 	if (res == 0)
2288 	    (void) fprintf(fp, "done!\n");
2289 	return;
2290 }
2291 
2292 
2293 
2294 /*
2295  * authinfo - obtain and print info about authentication
2296  */
2297 /*ARGSUSED*/
2298 static void
2299 authinfo(
2300 	struct parse *pcmd,
2301 	FILE *fp
2302 	)
2303 {
2304 	struct info_auth *ia;
2305 	size_t items;
2306 	size_t itemsize;
2307 	int res;
2308 
2309 again:
2310 	res = doquery(impl_ver, REQ_AUTHINFO, 0, 0, 0, NULL, &items,
2311 		      &itemsize, (void *)&ia, 0, sizeof(*ia));
2312 
2313 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2314 		impl_ver = IMPL_XNTPD_OLD;
2315 		goto again;
2316 	}
2317 
2318 	if (res != 0)
2319 		return;
2320 
2321 	if (!check1item(items, fp))
2322 		return;
2323 
2324 	if (!checkitemsize(itemsize, sizeof(*ia)))
2325 		return;
2326 
2327 	fprintf(fp, "time since reset:     %lu\n",
2328 		(u_long)ntohl(ia->timereset));
2329 	fprintf(fp, "stored keys:          %lu\n",
2330 		(u_long)ntohl(ia->numkeys));
2331 	fprintf(fp, "free keys:            %lu\n",
2332 		(u_long)ntohl(ia->numfreekeys));
2333 	fprintf(fp, "key lookups:          %lu\n",
2334 		(u_long)ntohl(ia->keylookups));
2335 	fprintf(fp, "keys not found:       %lu\n",
2336 		(u_long)ntohl(ia->keynotfound));
2337 	fprintf(fp, "uncached keys:        %lu\n",
2338 		(u_long)ntohl(ia->keyuncached));
2339 	fprintf(fp, "encryptions:          %lu\n",
2340 		(u_long)ntohl(ia->encryptions));
2341 	fprintf(fp, "decryptions:          %lu\n",
2342 		(u_long)ntohl(ia->decryptions));
2343 	fprintf(fp, "expired keys:         %lu\n",
2344 		(u_long)ntohl(ia->expired));
2345 }
2346 
2347 
2348 
2349 /*
2350  * traps - obtain and print a list of traps
2351  */
2352 /*ARGSUSED*/
2353 static void
2354 traps(
2355 	struct parse *pcmd,
2356 	FILE *fp
2357 	)
2358 {
2359 	size_t i;
2360 	struct info_trap *it;
2361 	sockaddr_u trap_addr, local_addr;
2362 	size_t items;
2363 	size_t itemsize;
2364 	int res;
2365 
2366 again:
2367 	res = doquery(impl_ver, REQ_TRAPS, 0, 0, 0, NULL, &items,
2368 		      &itemsize, (void *)&it, 0, sizeof(*it));
2369 
2370 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2371 		impl_ver = IMPL_XNTPD_OLD;
2372 		goto again;
2373 	}
2374 
2375 	if (res != 0)
2376 		return;
2377 
2378 	if (!checkitems(items, fp))
2379 		return;
2380 
2381 	if (!checkitemsize(itemsize, sizeof(struct info_trap)) &&
2382 	    !checkitemsize(itemsize, v4sizeof(struct info_trap)))
2383 		return;
2384 
2385 	for (i = 0; i < items; i++ ) {
2386 		SET_ADDRS(trap_addr, local_addr, it, trap_address, local_address);
2387 		fprintf(fp, "%saddress %s, port %d\n",
2388 			(0 == i)
2389 			    ? ""
2390 			    : "\n",
2391 			stoa(&trap_addr), ntohs(it->trap_port));
2392 		fprintf(fp, "interface: %s, ",
2393 			(0 == it->local_address)
2394 			    ? "wildcard"
2395 			    : stoa(&local_addr));
2396 		if (ntohl(it->flags) & TRAP_CONFIGURED)
2397 			fprintf(fp, "configured\n");
2398 		else if (ntohl(it->flags) & TRAP_NONPRIO)
2399 			fprintf(fp, "low priority\n");
2400 		else
2401 			fprintf(fp, "normal priority\n");
2402 
2403 		fprintf(fp, "set for %ld secs, last set %ld secs ago\n",
2404 			(long)ntohl(it->origtime),
2405 			(long)ntohl(it->settime));
2406 		fprintf(fp, "sequence %d, number of resets %ld\n",
2407 			ntohs(it->sequence), (long)ntohl(it->resets));
2408 	}
2409 }
2410 
2411 
2412 /*
2413  * addtrap - configure a trap
2414  */
2415 static void
2416 addtrap(
2417 	struct parse *pcmd,
2418 	FILE *fp
2419 	)
2420 {
2421 	do_addclr_trap(pcmd, fp, REQ_ADD_TRAP);
2422 }
2423 
2424 
2425 /*
2426  * clrtrap - clear a trap from the server
2427  */
2428 static void
2429 clrtrap(
2430 	struct parse *pcmd,
2431 	FILE *fp
2432 	)
2433 {
2434 	do_addclr_trap(pcmd, fp, REQ_CLR_TRAP);
2435 }
2436 
2437 
2438 /*
2439  * do_addclr_trap - do grunge work of adding/deleting traps
2440  */
2441 static void
2442 do_addclr_trap(
2443 	struct parse *pcmd,
2444 	FILE *fp,
2445 	int req
2446 	)
2447 {
2448 	struct conf_trap ctrap;
2449 	size_t items;
2450 	size_t itemsize;
2451 	const char *dummy;
2452 	int res;
2453 	int sendsize;
2454 
2455 again:
2456 	if (impl_ver == IMPL_XNTPD)
2457 		sendsize = sizeof(struct conf_trap);
2458 	else
2459 		sendsize = v4sizeof(struct conf_trap);
2460 
2461 	if (IS_IPV4(&pcmd->argval[0].netnum)) {
2462 		ctrap.trap_address = NSRCADR(&pcmd->argval[0].netnum);
2463 		if (impl_ver == IMPL_XNTPD)
2464 			ctrap.v6_flag = 0;
2465 	} else {
2466 		if (impl_ver == IMPL_XNTPD_OLD) {
2467 			fprintf(stderr,
2468 			    "***Server doesn't understand IPv6 addresses\n");
2469 			return;
2470 		}
2471 		ctrap.trap_address6 = SOCK_ADDR6(&pcmd->argval[0].netnum);
2472 		ctrap.v6_flag = 1;
2473 	}
2474 	ctrap.local_address = 0;
2475 	ctrap.trap_port = htons(TRAPPORT);
2476 	ctrap.unused = 0;
2477 
2478 	if (pcmd->nargs > 1) {
2479 		ctrap.trap_port	= htons((u_short)pcmd->argval[1].uval);
2480 		if (pcmd->nargs > 2) {
2481 			if (AF(&pcmd->argval[2].netnum) !=
2482 			    AF(&pcmd->argval[0].netnum)) {
2483 				fprintf(stderr,
2484 				    "***Cannot mix IPv4 and IPv6 addresses\n");
2485 				return;
2486 			}
2487 			if (IS_IPV4(&pcmd->argval[2].netnum))
2488 				ctrap.local_address = NSRCADR(&pcmd->argval[2].netnum);
2489 			else
2490 				ctrap.local_address6 = SOCK_ADDR6(&pcmd->argval[2].netnum);
2491 		}
2492 	}
2493 
2494 	res = doquery(impl_ver, req, 1, 1, sendsize,
2495 		      (char *)&ctrap, &items, &itemsize, &dummy, 0,
2496 		      sizeof(struct conf_trap));
2497 
2498 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2499 		impl_ver = IMPL_XNTPD_OLD;
2500 		goto again;
2501 	}
2502 
2503 	if (res == 0)
2504 	    (void) fprintf(fp, "done!\n");
2505 	return;
2506 }
2507 
2508 
2509 
2510 /*
2511  * requestkey - change the server's request key (a dangerous request)
2512  */
2513 static void
2514 requestkey(
2515 	struct parse *pcmd,
2516 	FILE *fp
2517 	)
2518 {
2519 	do_changekey(pcmd, fp, REQ_REQUEST_KEY);
2520 }
2521 
2522 
2523 /*
2524  * controlkey - change the server's control key
2525  */
2526 static void
2527 controlkey(
2528 	struct parse *pcmd,
2529 	FILE *fp
2530 	)
2531 {
2532 	do_changekey(pcmd, fp, REQ_CONTROL_KEY);
2533 }
2534 
2535 
2536 
2537 /*
2538  * do_changekey - do grunge work of changing keys
2539  */
2540 static void
2541 do_changekey(
2542 	struct parse *pcmd,
2543 	FILE *fp,
2544 	int req
2545 	)
2546 {
2547 	u_long key;
2548 	size_t items;
2549 	size_t itemsize;
2550 	const char *dummy;
2551 	int res;
2552 
2553 
2554 	key = htonl((u_int32)pcmd->argval[0].uval);
2555 
2556 again:
2557 	res = doquery(impl_ver, req, 1, 1, sizeof(u_int32),
2558 		      (char *)&key, &items, &itemsize, &dummy, 0,
2559 		      sizeof(dummy));
2560 
2561 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2562 		impl_ver = IMPL_XNTPD_OLD;
2563 		goto again;
2564 	}
2565 
2566 	if (res == 0)
2567 	    (void) fprintf(fp, "done!\n");
2568 	return;
2569 }
2570 
2571 
2572 
2573 /*
2574  * ctlstats - obtain and print info about authentication
2575  */
2576 /*ARGSUSED*/
2577 static void
2578 ctlstats(
2579 	struct parse *pcmd,
2580 	FILE *fp
2581 	)
2582 {
2583 	struct info_control *ic;
2584 	size_t items;
2585 	size_t itemsize;
2586 	int res;
2587 
2588 again:
2589 	res = doquery(impl_ver, REQ_GET_CTLSTATS, 0, 0, 0, NULL, &items,
2590 		      &itemsize, (void *)&ic, 0, sizeof(*ic));
2591 
2592 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2593 		impl_ver = IMPL_XNTPD_OLD;
2594 		goto again;
2595 	}
2596 
2597 	if (res != 0)
2598 		return;
2599 
2600 	if (!check1item(items, fp))
2601 		return;
2602 
2603 	if (!checkitemsize(itemsize, sizeof(*ic)))
2604 		return;
2605 
2606 	fprintf(fp, "time since reset:       %lu\n",
2607 		(u_long)ntohl(ic->ctltimereset));
2608 	fprintf(fp, "requests received:      %lu\n",
2609 		(u_long)ntohl(ic->numctlreq));
2610 	fprintf(fp, "responses sent:         %lu\n",
2611 		(u_long)ntohl(ic->numctlresponses));
2612 	fprintf(fp, "fragments sent:         %lu\n",
2613 		(u_long)ntohl(ic->numctlfrags));
2614 	fprintf(fp, "async messages sent:    %lu\n",
2615 		(u_long)ntohl(ic->numasyncmsgs));
2616 	fprintf(fp, "error msgs sent:        %lu\n",
2617 		(u_long)ntohl(ic->numctlerrors));
2618 	fprintf(fp, "total bad pkts:         %lu\n",
2619 		(u_long)ntohl(ic->numctlbadpkts));
2620 	fprintf(fp, "packet too short:       %lu\n",
2621 		(u_long)ntohl(ic->numctltooshort));
2622 	fprintf(fp, "response on input:      %lu\n",
2623 		(u_long)ntohl(ic->numctlinputresp));
2624 	fprintf(fp, "fragment on input:      %lu\n",
2625 		(u_long)ntohl(ic->numctlinputfrag));
2626 	fprintf(fp, "error set on input:     %lu\n",
2627 		(u_long)ntohl(ic->numctlinputerr));
2628 	fprintf(fp, "bad offset on input:    %lu\n",
2629 		(u_long)ntohl(ic->numctlbadoffset));
2630 	fprintf(fp, "bad version packets:    %lu\n",
2631 		(u_long)ntohl(ic->numctlbadversion));
2632 	fprintf(fp, "data in pkt too short:  %lu\n",
2633 		(u_long)ntohl(ic->numctldatatooshort));
2634 	fprintf(fp, "unknown op codes:       %lu\n",
2635 		(u_long)ntohl(ic->numctlbadop));
2636 }
2637 
2638 
2639 /*
2640  * clockstat - get and print clock status information
2641  */
2642 static void
2643 clockstat(
2644 	struct parse *pcmd,
2645 	FILE *fp
2646 	)
2647 {
2648 	struct info_clock *cl;
2649 	/* 8 is the maximum number of clocks which will fit in a packet */
2650 	u_long clist[min(MAXARGS, 8)];
2651 	size_t qitemlim;
2652 	size_t qitems;
2653 	size_t items;
2654 	size_t itemsize;
2655 	int res;
2656 	l_fp ts;
2657 	struct clktype *clk;
2658 
2659 	qitemlim = min(pcmd->nargs, COUNTOF(clist));
2660 	for (qitems = 0; qitems < qitemlim; qitems++)
2661 		clist[qitems] = NSRCADR(&pcmd->argval[qitems].netnum);
2662 
2663 again:
2664 	res = doquery(impl_ver, REQ_GET_CLOCKINFO, 0, qitems,
2665 		      sizeof(u_int32), (char *)clist, &items,
2666 		      &itemsize, (void *)&cl, 0, sizeof(struct info_clock));
2667 
2668 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2669 		impl_ver = IMPL_XNTPD_OLD;
2670 		goto again;
2671 	}
2672 
2673 	if (res != 0)
2674 		return;
2675 
2676 	if (!checkitems(items, fp))
2677 		return;
2678 
2679 	if (!checkitemsize(itemsize, sizeof(struct info_clock)))
2680 		return;
2681 
2682 	while (items-- > 0) {
2683 		(void) fprintf(fp, "clock address:        %s\n",
2684 			       numtoa(cl->clockadr));
2685 		for (clk = clktypes; clk->code >= 0; clk++)
2686 		    if (clk->code == cl->type)
2687 			break;
2688 		if (clk->code >= 0)
2689 		    (void) fprintf(fp, "clock type:           %s\n",
2690 				   clk->clocktype);
2691 		else
2692 		    (void) fprintf(fp, "clock type:           unknown type (%d)\n",
2693 				   cl->type);
2694 		(void) fprintf(fp, "last event:           %d\n",
2695 			       cl->lastevent);
2696 		(void) fprintf(fp, "current status:       %d\n",
2697 			       cl->currentstatus);
2698 		(void) fprintf(fp, "number of polls:      %lu\n",
2699 			       (u_long)ntohl(cl->polls));
2700 		(void) fprintf(fp, "no response to poll:  %lu\n",
2701 			       (u_long)ntohl(cl->noresponse));
2702 		(void) fprintf(fp, "bad format responses: %lu\n",
2703 			       (u_long)ntohl(cl->badformat));
2704 		(void) fprintf(fp, "bad data responses:   %lu\n",
2705 			       (u_long)ntohl(cl->baddata));
2706 		(void) fprintf(fp, "running time:         %lu\n",
2707 			       (u_long)ntohl(cl->timestarted));
2708 		NTOHL_FP(&cl->fudgetime1, &ts);
2709 		(void) fprintf(fp, "fudge time 1:         %s\n",
2710 			       lfptoa(&ts, 6));
2711 		NTOHL_FP(&cl->fudgetime2, &ts);
2712 		(void) fprintf(fp, "fudge time 2:         %s\n",
2713 			       lfptoa(&ts, 6));
2714 		(void) fprintf(fp, "stratum:              %ld\n",
2715 			       (u_long)ntohl(cl->fudgeval1));
2716 		(void) fprintf(fp, "reference ID:         %s\n",
2717 			       refid_string(ntohl(cl->fudgeval2), 0));
2718 		(void) fprintf(fp, "fudge flags:          0x%x\n",
2719 			       cl->flags);
2720 
2721 		if (items > 0)
2722 		    (void) fprintf(fp, "\n");
2723 		cl++;
2724 	}
2725 }
2726 
2727 
2728 /*
2729  * fudge - set clock fudge factors
2730  */
2731 static void
2732 fudge(
2733 	struct parse *pcmd,
2734 	FILE *fp
2735 	)
2736 {
2737 	struct conf_fudge fudgedata;
2738 	size_t items;
2739 	size_t itemsize;
2740 	const char *dummy;
2741 	l_fp ts;
2742 	int res;
2743 	long val;
2744 	u_long u_val;
2745 	int err;
2746 
2747 
2748 	err = 0;
2749 	ZERO(fudgedata);
2750 	fudgedata.clockadr = NSRCADR(&pcmd->argval[0].netnum);
2751 
2752 	if (STREQ(pcmd->argval[1].string, "time1")) {
2753 		fudgedata.which = htonl(FUDGE_TIME1);
2754 		if (!atolfp(pcmd->argval[2].string, &ts))
2755 		    err = 1;
2756 		else
2757 		    NTOHL_FP(&ts, &fudgedata.fudgetime);
2758 	} else if (STREQ(pcmd->argval[1].string, "time2")) {
2759 		fudgedata.which = htonl(FUDGE_TIME2);
2760 		if (!atolfp(pcmd->argval[2].string, &ts))
2761 		    err = 1;
2762 		else
2763 		    NTOHL_FP(&ts, &fudgedata.fudgetime);
2764 	} else if (STREQ(pcmd->argval[1].string, "val1")) {
2765 		fudgedata.which = htonl(FUDGE_VAL1);
2766 		if (!atoint(pcmd->argval[2].string, &val))
2767 		    err = 1;
2768 		else
2769 		    fudgedata.fudgeval_flags = htonl(val);
2770 	} else if (STREQ(pcmd->argval[1].string, "val2")) {
2771 		fudgedata.which = htonl(FUDGE_VAL2);
2772 		if (!atoint(pcmd->argval[2].string, &val))
2773 		    err = 1;
2774 		else
2775 		    fudgedata.fudgeval_flags = htonl((u_int32)val);
2776 	} else if (STREQ(pcmd->argval[1].string, "flags")) {
2777 		fudgedata.which = htonl(FUDGE_FLAGS);
2778 		if (!hextoint(pcmd->argval[2].string, &u_val))
2779 		    err = 1;
2780 		else
2781 		    fudgedata.fudgeval_flags = htonl((u_int32)(u_val & 0xf));
2782 	} else {
2783 		(void) fprintf(stderr, "What fudge is %s?\n",
2784 			       pcmd->argval[1].string);
2785 		return;
2786 	}
2787 
2788 	if (err) {
2789 		(void) fprintf(stderr, "Unknown fudge parameter %s\n",
2790 			       pcmd->argval[2].string);
2791 		return;
2792 	}
2793 
2794 again:
2795 	res = doquery(impl_ver, REQ_SET_CLKFUDGE, 1, 1,
2796 		      sizeof(struct conf_fudge), (char *)&fudgedata, &items,
2797 		      &itemsize, &dummy, 0, sizeof(dummy));
2798 
2799 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2800 		impl_ver = IMPL_XNTPD_OLD;
2801 		goto again;
2802 	}
2803 
2804 	if (res == 0)
2805 	    (void) fprintf(fp, "done!\n");
2806 	return;
2807 }
2808 
2809 /*
2810  * clkbug - get and print clock debugging information
2811  */
2812 static void
2813 clkbug(
2814 	struct parse *pcmd,
2815 	FILE *fp
2816 	)
2817 {
2818 	register int i;
2819 	register int n;
2820 	register u_int32 s;
2821 	struct info_clkbug *cl;
2822 	/* 8 is the maximum number of clocks which will fit in a packet */
2823 	u_long clist[min(MAXARGS, 8)];
2824 	u_int32 ltemp;
2825 	size_t qitemlim;
2826 	size_t qitems;
2827 	size_t items;
2828 	size_t itemsize;
2829 	int res;
2830 	int needsp;
2831 	l_fp ts;
2832 
2833 	qitemlim = min(pcmd->nargs, COUNTOF(clist));
2834 	for (qitems = 0; qitems < qitemlim; qitems++)
2835 		clist[qitems] = NSRCADR(&pcmd->argval[qitems].netnum);
2836 
2837 again:
2838 	res = doquery(impl_ver, REQ_GET_CLKBUGINFO, 0, qitems,
2839 		      sizeof(u_int32), (char *)clist, &items,
2840 		      &itemsize, (void *)&cl, 0, sizeof(struct info_clkbug));
2841 
2842 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2843 		impl_ver = IMPL_XNTPD_OLD;
2844 		goto again;
2845 	}
2846 
2847 	if (res != 0)
2848 		return;
2849 
2850 	if (!checkitems(items, fp))
2851 		return;
2852 
2853 	if (!checkitemsize(itemsize, sizeof(struct info_clkbug)))
2854 		return;
2855 
2856 	while (items-- > 0) {
2857 		(void) fprintf(fp, "clock address:        %s\n",
2858 			       numtoa(cl->clockadr));
2859 		n = (int)cl->nvalues;
2860 		(void) fprintf(fp, "values: %d", n);
2861 		s = ntohs(cl->svalues);
2862 		if (n > NUMCBUGVALUES)
2863 		    n = NUMCBUGVALUES;
2864 		for (i = 0; i < n; i++) {
2865 			ltemp = ntohl(cl->values[i]);
2866 			ltemp &= 0xffffffff;	/* HMS: This does nothing now */
2867 			if ((i & 0x3) == 0)
2868 			    (void) fprintf(fp, "\n");
2869 			if (s & (1 << i))
2870 			    (void) fprintf(fp, "%12ld", (u_long)ltemp);
2871 			else
2872 			    (void) fprintf(fp, "%12lu", (u_long)ltemp);
2873 		}
2874 		(void) fprintf(fp, "\n");
2875 
2876 		n = (int)cl->ntimes;
2877 		(void) fprintf(fp, "times: %d", n);
2878 		s = ntohl(cl->stimes);
2879 		if (n > NUMCBUGTIMES)
2880 		    n = NUMCBUGTIMES;
2881 		needsp = 0;
2882 		for (i = 0; i < n; i++) {
2883 			if ((i & 0x1) == 0) {
2884 			    (void) fprintf(fp, "\n");
2885 			} else {
2886 				for (;needsp > 0; needsp--)
2887 				    putc(' ', fp);
2888 			}
2889 			NTOHL_FP(&cl->times[i], &ts);
2890 			if (s & (1 << i)) {
2891 				(void) fprintf(fp, "%17s",
2892 					       lfptoa(&ts, 6));
2893 				needsp = 22;
2894 			} else {
2895 				(void) fprintf(fp, "%37s",
2896 					       uglydate(&ts));
2897 				needsp = 2;
2898 			}
2899 		}
2900 		(void) fprintf(fp, "\n");
2901 		if (items > 0) {
2902 			cl++;
2903 			(void) fprintf(fp, "\n");
2904 		}
2905 	}
2906 }
2907 
2908 
2909 /*
2910  * kerninfo - display the kernel pll/pps variables
2911  */
2912 static void
2913 kerninfo(
2914 	struct parse *pcmd,
2915 	FILE *fp
2916 	)
2917 {
2918 	struct info_kernel *ik;
2919 	size_t items;
2920 	size_t itemsize;
2921 	int res;
2922 	unsigned status;
2923 	double tscale = 1e-6;
2924 
2925 again:
2926 	res = doquery(impl_ver, REQ_GET_KERNEL, 0, 0, 0, (char *)NULL,
2927 		      &items, &itemsize, (void *)&ik, 0,
2928 		      sizeof(struct info_kernel));
2929 
2930 	if (res == INFO_ERR_IMPL && impl_ver == IMPL_XNTPD) {
2931 		impl_ver = IMPL_XNTPD_OLD;
2932 		goto again;
2933 	}
2934 
2935 	if (res != 0)
2936 	    return;
2937 	if (!check1item(items, fp))
2938 	    return;
2939 	if (!checkitemsize(itemsize, sizeof(struct info_kernel)))
2940 	    return;
2941 
2942 	status = ntohs(ik->status) & 0xffff;
2943 	/*
2944 	 * pll variables. We know more than we should about the NANO bit.
2945 	 */
2946 #ifdef STA_NANO
2947 	if (status & STA_NANO)
2948 		tscale = 1e-9;
2949 #endif
2950 	(void)fprintf(fp, "pll offset:           %g s\n",
2951 	    (int32)ntohl(ik->offset) * tscale);
2952 	(void)fprintf(fp, "pll frequency:        %s ppm\n",
2953 	    fptoa((s_fp)ntohl(ik->freq), 3));
2954 	(void)fprintf(fp, "maximum error:        %g s\n",
2955 	    (u_long)ntohl(ik->maxerror) * tscale);
2956 	(void)fprintf(fp, "estimated error:      %g s\n",
2957 	    (u_long)ntohl(ik->esterror) * tscale);
2958 	(void)fprintf(fp, "status:               %04x ", status);
2959 #ifdef STA_PLL
2960 	if (status & STA_PLL) (void)fprintf(fp, " pll");
2961 #endif
2962 #ifdef STA_PPSFREQ
2963 	if (status & STA_PPSFREQ) (void)fprintf(fp, " ppsfreq");
2964 #endif
2965 #ifdef STA_PPSTIME
2966 	if (status & STA_PPSTIME) (void)fprintf(fp, " ppstime");
2967 #endif
2968 #ifdef STA_FLL
2969 	if (status & STA_FLL) (void)fprintf(fp, " fll");
2970 #endif
2971 #ifdef STA_INS
2972 	if (status & STA_INS) (void)fprintf(fp, " ins");
2973 #endif
2974 #ifdef STA_DEL
2975 	if (status & STA_DEL) (void)fprintf(fp, " del");
2976 #endif
2977 #ifdef STA_UNSYNC
2978 	if (status & STA_UNSYNC) (void)fprintf(fp, " unsync");
2979 #endif
2980 #ifdef STA_FREQHOLD
2981 	if (status & STA_FREQHOLD) (void)fprintf(fp, " freqhold");
2982 #endif
2983 #ifdef STA_PPSSIGNAL
2984 	if (status & STA_PPSSIGNAL) (void)fprintf(fp, " ppssignal");
2985 #endif
2986 #ifdef STA_PPSJITTER
2987 	if (status & STA_PPSJITTER) (void)fprintf(fp, " ppsjitter");
2988 #endif
2989 #ifdef STA_PPSWANDER
2990 	if (status & STA_PPSWANDER) (void)fprintf(fp, " ppswander");
2991 #endif
2992 #ifdef STA_PPSERROR
2993 	if (status & STA_PPSERROR) (void)fprintf(fp, " ppserror");
2994 #endif
2995 #ifdef STA_CLOCKERR
2996 	if (status & STA_CLOCKERR) (void)fprintf(fp, " clockerr");
2997 #endif
2998 #ifdef STA_NANO
2999 	if (status & STA_NANO) (void)fprintf(fp, " nano");
3000 #endif
3001 #ifdef STA_MODE
3002 	if (status & STA_MODE) (void)fprintf(fp, " mode=fll");
3003 #endif
3004 #ifdef STA_CLK
3005 	if (status & STA_CLK) (void)fprintf(fp, " src=B");
3006 #endif
3007 	(void)fprintf(fp, "\n");
3008 	(void)fprintf(fp, "pll time constant:    %ld\n",
3009 	    (u_long)ntohl(ik->constant));
3010 	(void)fprintf(fp, "precision:            %g s\n",
3011 	    (u_long)ntohl(ik->precision) * tscale);
3012 	(void)fprintf(fp, "frequency tolerance:  %s ppm\n",
3013 	    fptoa((s_fp)ntohl(ik->tolerance), 0));
3014 
3015 	/*
3016 	 * For backwards compatibility (ugh), we find the pps variables
3017 	 * only if the shift member is nonzero.
3018 	 */
3019 	if (!ik->shift)
3020 	    return;
3021 
3022 	/*
3023 	 * pps variables
3024 	 */
3025 	(void)fprintf(fp, "pps frequency:        %s ppm\n",
3026 	    fptoa((s_fp)ntohl(ik->ppsfreq), 3));
3027 	(void)fprintf(fp, "pps stability:        %s ppm\n",
3028 	    fptoa((s_fp)ntohl(ik->stabil), 3));
3029 	(void)fprintf(fp, "pps jitter:           %g s\n",
3030 	    (u_long)ntohl(ik->jitter) * tscale);
3031 	(void)fprintf(fp, "calibration interval: %d s\n",
3032 		      1 << ntohs(ik->shift));
3033 	(void)fprintf(fp, "calibration cycles:   %ld\n",
3034 		      (u_long)ntohl(ik->calcnt));
3035 	(void)fprintf(fp, "jitter exceeded:      %ld\n",
3036 		      (u_long)ntohl(ik->jitcnt));
3037 	(void)fprintf(fp, "stability exceeded:   %ld\n",
3038 		      (u_long)ntohl(ik->stbcnt));
3039 	(void)fprintf(fp, "calibration errors:   %ld\n",
3040 		      (u_long)ntohl(ik->errcnt));
3041 }
3042 
3043 #define IF_LIST_FMT     "%2d %c %48s %c %c %12.12s %03lx %3lu %2lu %5lu %5lu %5lu %2lu %3lu %7lu\n"
3044 #define IF_LIST_FMT_STR "%2s %c %48s %c %c %12.12s %3s %3s %2s %5s %5s %5s %2s %3s %7s\n"
3045 #define IF_LIST_AFMT_STR "     %48s %c\n"
3046 #define IF_LIST_LABELS  "#", 'A', "Address/Mask/Broadcast", 'T', 'E', "IF name", "Flg", "TL", "#M", "recv", "sent", "drop", "S", "PC", "uptime"
3047 #define IF_LIST_LINE    "==================================================================================================================\n"
3048 
3049 static void
3050 iflist(
3051 	FILE *fp,
3052 	struct info_if_stats *ifs,
3053 	size_t items,
3054 	size_t itemsize,
3055 	int res
3056 	)
3057 {
3058 	static const char *actions = "?.+-";
3059 	sockaddr_u saddr;
3060 
3061 	if (res != 0)
3062 	    return;
3063 
3064 	if (!checkitems(items, fp))
3065 	    return;
3066 
3067 	if (!checkitemsize(itemsize, sizeof(struct info_if_stats)))
3068 	    return;
3069 
3070 	fprintf(fp, IF_LIST_FMT_STR, IF_LIST_LABELS);
3071 	fprintf(fp, IF_LIST_LINE);
3072 
3073 	while (items > 0) {
3074 		SET_ADDR(saddr, ntohl(ifs->v6_flag),
3075 			 ifs->unaddr.addr.s_addr, ifs->unaddr.addr6);
3076 		fprintf(fp, IF_LIST_FMT,
3077 			ntohl(ifs->ifnum),
3078 			actions[(ifs->action >= 1 && ifs->action < 4) ? ifs->action : 0],
3079 			stoa((&saddr)), 'A',
3080 			ifs->ignore_packets ? 'D' : 'E',
3081 			ifs->name,
3082 			(u_long)ntohl(ifs->flags),
3083 			(u_long)ntohl(ifs->last_ttl),
3084 			(u_long)ntohl(ifs->num_mcast),
3085 			(u_long)ntohl(ifs->received),
3086 			(u_long)ntohl(ifs->sent),
3087 			(u_long)ntohl(ifs->notsent),
3088 			(u_long)ntohl(ifs->scopeid),
3089 			(u_long)ntohl(ifs->peercnt),
3090 			(u_long)ntohl(ifs->uptime));
3091 
3092 		SET_ADDR(saddr, ntohl(ifs->v6_flag),
3093 			 ifs->unmask.addr.s_addr, ifs->unmask.addr6);
3094 		fprintf(fp, IF_LIST_AFMT_STR, stoa(&saddr), 'M');
3095 
3096 		if (!ntohl(ifs->v6_flag) && ntohl(ifs->flags) & (INT_BCASTOPEN)) {
3097 			SET_ADDR(saddr, ntohl(ifs->v6_flag),
3098 				 ifs->unbcast.addr.s_addr, ifs->unbcast.addr6);
3099 			fprintf(fp, IF_LIST_AFMT_STR, stoa(&saddr), 'B');
3100 
3101 		}
3102 
3103 		ifs++;
3104 		items--;
3105 	}
3106 }
3107 
3108 /*ARGSUSED*/
3109 static void
3110 get_if_stats(
3111 	struct parse *pcmd,
3112 	FILE *fp
3113 	)
3114 {
3115 	struct info_if_stats *ifs;
3116 	size_t items;
3117 	size_t itemsize;
3118 	int res;
3119 
3120 	res = doquery(impl_ver, REQ_IF_STATS, 1, 0, 0, (char *)NULL, &items,
3121 		      &itemsize, (void *)&ifs, 0,
3122 		      sizeof(struct info_if_stats));
3123 	iflist(fp, ifs, items, itemsize, res);
3124 }
3125 
3126 /*ARGSUSED*/
3127 static void
3128 do_if_reload(
3129 	struct parse *pcmd,
3130 	FILE *fp
3131 	)
3132 {
3133 	struct info_if_stats *ifs;
3134 	size_t items;
3135 	size_t itemsize;
3136 	int res;
3137 
3138 	res = doquery(impl_ver, REQ_IF_RELOAD, 1, 0, 0, (char *)NULL, &items,
3139 		      &itemsize, (void *)&ifs, 0,
3140 		      sizeof(struct info_if_stats));
3141 	iflist(fp, ifs, items, itemsize, res);
3142 }
3143