Imported from /home/lorry/working-area/delta_ntp/ntp-dev-4.2.7p482.tar.gz.ntp-dev-4.2.7p482

1 files changed, 3875 insertions, 0 deletions

diff --git a/ntpq/ntpq-subs.c b/ntpq/ntpq-subs.c
new file mode 100644
index 0000000..5460f80
--- /dev/null
+++ b/ntpq/ntpq-subs.c
@@ -0,0 +1,3875 @@
+/*
+ * ntpq-subs.c - subroutines which are called to perform ntpq commands.
+ */
+#include <config.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+#include "ntpq.h"
+#include "ntpq-opts.h"
+
+extern char	currenthost[];
+extern int	currenthostisnum;
+size_t		maxhostlen;
+
+/*
+ * Declarations for command handlers in here
+ */
+static	associd_t checkassocid	(u_int32);
+static	struct varlist *findlistvar (struct varlist *, char *);
+static	void	doaddvlist	(struct varlist *, const char *);
+static	void	dormvlist	(struct varlist *, const char *);
+static	void	doclearvlist	(struct varlist *);
+static	void	makequerydata	(struct varlist *, int *, char *);
+static	int	doquerylist	(struct varlist *, int, associd_t, int,
+				 u_short *, int *, const char **);
+static	void	doprintvlist	(struct varlist *, FILE *);
+static	void	addvars 	(struct parse *, FILE *);
+static	void	rmvars		(struct parse *, FILE *);
+static	void	clearvars	(struct parse *, FILE *);
+static	void	showvars	(struct parse *, FILE *);
+static	int	dolist		(struct varlist *, associd_t, int, int,
+				 FILE *);
+static	void	readlist	(struct parse *, FILE *);
+static	void	writelist	(struct parse *, FILE *);
+static	void	readvar 	(struct parse *, FILE *);
+static	void	writevar	(struct parse *, FILE *);
+static	void	clocklist	(struct parse *, FILE *);
+static	void	clockvar	(struct parse *, FILE *);
+static	int	findassidrange	(u_int32, u_int32, int *, int *,
+				 FILE *);
+static	void	mreadlist	(struct parse *, FILE *);
+static	void	mreadvar	(struct parse *, FILE *);
+static	void	printassoc	(int, FILE *);
+static	void	associations	(struct parse *, FILE *);
+static	void	lassociations	(struct parse *, FILE *);
+static	void	passociations	(struct parse *, FILE *);
+static	void	lpassociations	(struct parse *, FILE *);
+
+#ifdef	UNUSED
+static	void	radiostatus (struct parse *, FILE *);
+#endif	/* UNUSED */
+
+static	void	authinfo	(struct parse *, FILE *);
+static	void	pstats	 	(struct parse *, FILE *);
+static	long	when		(l_fp *, l_fp *, l_fp *);
+static	char *	prettyinterval	(char *, size_t, long);
+static	int	doprintpeers	(struct varlist *, int, int, int, const char *, FILE *, int);
+static	int	dogetpeers	(struct varlist *, associd_t, FILE *, int);
+static	void	dopeers 	(int, FILE *, int);
+static	void	peers		(struct parse *, FILE *);
+static	void	lpeers		(struct parse *, FILE *);
+static	void	doopeers	(int, FILE *, int);
+static	void	opeers		(struct parse *, FILE *);
+static	void	lopeers 	(struct parse *, FILE *);
+static	void	config		(struct parse *, FILE *);
+static	void	saveconfig	(struct parse *, FILE *);
+static	void	config_from_file(struct parse *, FILE *);
+static	void	mrulist		(struct parse *, FILE *);
+static	void	ifstats		(struct parse *, FILE *);
+static	void	reslist		(struct parse *, FILE *);
+static	void	sysstats	(struct parse *, FILE *);
+static	void	sysinfo		(struct parse *, FILE *);
+static	void	kerninfo	(struct parse *, FILE *);
+static	void	monstats	(struct parse *, FILE *);
+static	void	iostats		(struct parse *, FILE *);
+static	void	timerstats	(struct parse *, FILE *);
+
+/*
+ * Commands we understand.	Ntpdc imports this.
+ */
+struct xcmd opcmds[] = {
+	{ "saveconfig", saveconfig, { NTP_STR, NO, NO, NO },
+		{ "filename", "", "", ""}, 
+		"save ntpd configuration to file, . for current config file"},
+	{ "associations", associations, {  NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "print list of association ID's and statuses for the server's peers" },
+	{ "passociations", passociations,   {  NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "print list of associations returned by last associations command" },
+	{ "lassociations", lassociations,   {  NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "print list of associations including all client information" },
+	{ "lpassociations", lpassociations, {  NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "print last obtained list of associations, including client information" },
+	{ "addvars",    addvars,    { NTP_STR, NO, NO, NO },
+	  { "name[=value][,...]", "", "", "" },
+	  "add variables to the variable list or change their values" },
+	{ "rmvars", rmvars,     { NTP_STR, NO, NO, NO },
+	  { "name[,...]", "", "", "" },
+	  "remove variables from the variable list" },
+	{ "clearvars",  clearvars,  { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "remove all variables from the variable list" },
+	{ "showvars",   showvars,   { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "print variables on the variable list" },
+	{ "readlist",   readlist,   { OPT|NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "read the system or peer variables included in the variable list" },
+	{ "rl",     readlist,   { OPT|NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "read the system or peer variables included in the variable list" },
+	{ "writelist",  writelist,  { OPT|NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "write the system or peer variables included in the variable list" },
+	{ "readvar", readvar,    { OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, },
+	  { "assocID", "varname1", "varname2", "varname3" },
+	  "read system or peer variables" },
+	{ "rv",      readvar,    { OPT|NTP_UINT, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, },
+	  { "assocID", "varname1", "varname2", "varname3" },
+	  "read system or peer variables" },
+	{ "writevar",   writevar,   { NTP_UINT, NTP_STR, NO, NO },
+	  { "assocID", "name=value,[...]", "", "" },
+	  "write system or peer variables" },
+	{ "mreadlist",  mreadlist,  { NTP_UINT, NTP_UINT, NO, NO },
+	  { "assocIDlow", "assocIDhigh", "", "" },
+	  "read the peer variables in the variable list for multiple peers" },
+	{ "mrl",    mreadlist,  { NTP_UINT, NTP_UINT, NO, NO },
+	  { "assocIDlow", "assocIDhigh", "", "" },
+	  "read the peer variables in the variable list for multiple peers" },
+	{ "mreadvar",   mreadvar,   { NTP_UINT, NTP_UINT, OPT|NTP_STR, NO },
+	  { "assocIDlow", "assocIDhigh", "name=value[,...]", "" },
+	  "read peer variables from multiple peers" },
+	{ "mrv",    mreadvar,   { NTP_UINT, NTP_UINT, OPT|NTP_STR, NO },
+	  { "assocIDlow", "assocIDhigh", "name=value[,...]", "" },
+	  "read peer variables from multiple peers" },
+	{ "clocklist",  clocklist,  { OPT|NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "read the clock variables included in the variable list" },
+	{ "cl",     clocklist,  { OPT|NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "read the clock variables included in the variable list" },
+	{ "clockvar",   clockvar,   { OPT|NTP_UINT, OPT|NTP_STR, NO, NO },
+	  { "assocID", "name=value[,...]", "", "" },
+	  "read clock variables" },
+	{ "cv",     clockvar,   { OPT|NTP_UINT, OPT|NTP_STR, NO, NO },
+	  { "assocID", "name=value[,...]", "", "" },
+	  "read clock variables" },
+	{ "pstats",    pstats,    { NTP_UINT, NO, NO, NO },
+	  { "assocID", "", "", "" },
+	  "show statistics for a peer" },
+	{ "peers",  peers,      { OPT|IP_VERSION, NO, NO, NO },
+	  { "-4|-6", "", "", "" },
+	  "obtain and print a list of the server's peers [IP version]" },
+	{ "lpeers", lpeers,     { OPT|IP_VERSION, NO, NO, NO },
+	  { "-4|-6", "", "", "" },
+	  "obtain and print a list of all peers and clients [IP version]" },
+	{ "opeers", opeers,     { OPT|IP_VERSION, NO, NO, NO },
+	  { "-4|-6", "", "", "" },
+	  "print peer list the old way, with dstadr shown rather than refid [IP version]" },
+	{ "lopeers", lopeers,   { OPT|IP_VERSION, NO, NO, NO },
+	  { "-4|-6", "", "", "" },
+	  "obtain and print a list of all peers and clients showing dstadr [IP version]" },
+	{ ":config", config,   { NTP_STR, NO, NO, NO },
+	  { "<configuration command line>", "", "", "" },
+	  "send a remote configuration command to ntpd" },
+	{ "config-from-file", config_from_file, { NTP_STR, NO, NO, NO },
+	  { "<configuration filename>", "", "", "" },
+	  "configure ntpd using the configuration filename" },
+	{ "mrulist", mrulist, { OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR, OPT|NTP_STR },
+	  { "tag=value", "tag=value", "tag=value", "tag=value" },
+	  "display the list of most recently seen source addresses, tags mincount=... resall=0x... resany=0x..." },
+	{ "ifstats", ifstats, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "show statistics for each local address ntpd is using" },
+	{ "reslist", reslist, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "show ntpd access control list" },
+	{ "sysinfo", sysinfo, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display system summary" },
+	{ "kerninfo", kerninfo, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display kernel loop and PPS statistics" },
+	{ "sysstats", sysstats, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display system uptime and packet counts" },
+	{ "monstats", monstats, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display monitor (mrulist) counters and limits" },
+	{ "authinfo", authinfo, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display symmetric authentication counters" },
+	{ "iostats", iostats, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display network input and output counters" },
+	{ "timerstats", timerstats, { NO, NO, NO, NO },
+	  { "", "", "", "" },
+	  "display interval timer counters" },
+	{ 0,		0,		{ NO, NO, NO, NO },
+	  { "-4|-6", "", "", "" }, "" }
+};
+
+
+/*
+ * Variable list data space
+ */
+#define MAXLINE		512	/* maximum length of a line */
+#define MAXLIST		128	/* maximum variables in list */
+#define LENHOSTNAME	256	/* host name limit */
+
+#define MRU_GOT_COUNT	0x1
+#define MRU_GOT_LAST	0x2
+#define MRU_GOT_FIRST	0x4
+#define MRU_GOT_MV	0x8
+#define MRU_GOT_RS	0x10
+#define MRU_GOT_ADDR	0x20
+#define MRU_GOT_ALL	(MRU_GOT_COUNT | MRU_GOT_LAST | MRU_GOT_FIRST \
+			 | MRU_GOT_MV | MRU_GOT_RS | MRU_GOT_ADDR)
+
+/*
+ * mrulist() depends on MRUSORT_DEF and MRUSORT_RDEF being the first two
+ */
+typedef enum mru_sort_order_tag {
+	MRUSORT_DEF = 0,	/* lstint ascending */
+	MRUSORT_R_DEF,		/* lstint descending */
+	MRUSORT_AVGINT,		/* avgint ascending */
+	MRUSORT_R_AVGINT,	/* avgint descending */
+	MRUSORT_ADDR,		/* IPv4 asc. then IPv6 asc. */
+	MRUSORT_R_ADDR,		/* IPv6 desc. then IPv4 desc. */
+	MRUSORT_COUNT,		/* hit count ascending */
+	MRUSORT_R_COUNT,	/* hit count descending */
+	MRUSORT_MAX,		/* special: count of this enum */
+} mru_sort_order;
+
+const char * const mru_sort_keywords[MRUSORT_MAX] = {
+	"lstint",		/* MRUSORT_DEF */
+	"-lstint",		/* MRUSORT_R_DEF */
+	"avgint",		/* MRUSORT_AVGINT */
+	"-avgint",		/* MRUSORT_R_AVGINT */
+	"addr",			/* MRUSORT_ADDR */
+	"-addr",		/* MRUSORT_R_ADDR */
+	"count",		/* MRUSORT_COUNT */
+	"-count",		/* MRUSORT_R_COUNT */
+};
+
+typedef int (*qsort_cmp)(const void *, const void *);
+
+/*
+ * Old CTL_PST defines for version 2.
+ */
+#define OLD_CTL_PST_CONFIG		0x80
+#define OLD_CTL_PST_AUTHENABLE		0x40
+#define OLD_CTL_PST_AUTHENTIC		0x20
+#define OLD_CTL_PST_REACH		0x10
+#define OLD_CTL_PST_SANE		0x08
+#define OLD_CTL_PST_DISP		0x04
+
+#define OLD_CTL_PST_SEL_REJECT		0
+#define OLD_CTL_PST_SEL_SELCAND 	1
+#define OLD_CTL_PST_SEL_SYNCCAND	2
+#define OLD_CTL_PST_SEL_SYSPEER 	3
+
+char flash2[] = " .+*    "; /* flash decode for version 2 */
+char flash3[] = " x.-+#*o"; /* flash decode for peer status version 3 */
+
+struct varlist {
+	char *name;
+	char *value;
+} g_varlist[MAXLIST] = { { 0, 0 } };
+
+/*
+ * Imported from ntpq.c
+ */
+extern int showhostnames;
+extern int wideremote;
+extern int rawmode;
+extern struct servent *server_entry;
+extern struct association *assoc_cache;
+extern u_char pktversion;
+
+typedef struct mru_tag mru;
+struct mru_tag {
+	mru *		hlink;	/* next in hash table bucket */
+	DECL_DLIST_LINK(mru, mlink);
+	int		count;
+	l_fp		last;
+	l_fp		first;
+	u_char		mode;
+	u_char		ver;
+	u_short		rs;
+	sockaddr_u	addr;
+};
+
+typedef struct ifstats_row_tag {
+	u_int		ifnum;
+	sockaddr_u	addr;
+	sockaddr_u	bcast;
+	int		enabled;
+	u_int		flags;
+	int		mcast_count;
+	char		name[32];
+	int		peer_count;
+	int		received;
+	int		sent;
+	int		send_errors;
+	u_int		ttl;
+	u_int		uptime;
+} ifstats_row;
+
+typedef struct reslist_row_tag {
+	u_int		idx;
+	sockaddr_u	addr;
+	sockaddr_u	mask;
+	u_long		hits;
+	char		flagstr[128];
+} reslist_row;
+
+typedef struct var_display_collection_tag {
+	const char * const tag;		/* system variable */
+	const char * const display;	/* descriptive text */
+	u_char type;			/* NTP_STR, etc */
+	union {
+		char *		str;
+		sockaddr_u	sau;	/* NTP_ADD */
+		l_fp		lfp;	/* NTP_LFP */
+	} v;				/* retrieved value */
+} vdc;
+
+/*
+ * other local function prototypes
+ */
+void		mrulist_ctrl_c_hook(void);
+static mru *	add_mru(mru *);
+static int	collect_mru_list(const char *, l_fp *);
+static int	fetch_nonce(char *, size_t);
+static int	qcmp_mru_avgint(const void *, const void *);
+static int	qcmp_mru_r_avgint(const void *, const void *);
+static int	qcmp_mru_addr(const void *, const void *);
+static int	qcmp_mru_r_addr(const void *, const void *);
+static int	qcmp_mru_count(const void *, const void *);
+static int	qcmp_mru_r_count(const void *, const void *);
+static void	validate_ifnum(FILE *, u_int, int *, ifstats_row *);
+static void	another_ifstats_field(int *, ifstats_row *, FILE *);
+static void	collect_display_vdc(associd_t as, vdc *table,
+				    int decodestatus, FILE *fp);
+
+/*
+ * static globals
+ */
+static u_int	mru_count;
+static u_int	mru_dupes;
+volatile int	mrulist_interrupted;
+static mru	mru_list;		/* listhead */
+static mru **	hash_table;
+
+/*
+ * qsort comparison function table for mrulist().  The first two
+ * entries are NULL because they are handled without qsort().
+ */
+const static qsort_cmp mru_qcmp_table[MRUSORT_MAX] = {
+	NULL,			/* MRUSORT_DEF unused */
+	NULL,			/* MRUSORT_R_DEF unused */
+	&qcmp_mru_avgint,	/* MRUSORT_AVGINT */
+	&qcmp_mru_r_avgint,	/* MRUSORT_R_AVGINT */
+	&qcmp_mru_addr,		/* MRUSORT_ADDR */
+	&qcmp_mru_r_addr,	/* MRUSORT_R_ADDR */
+	&qcmp_mru_count,	/* MRUSORT_COUNT */
+	&qcmp_mru_r_count,	/* MRUSORT_R_COUNT */
+};
+
+/*
+ * checkassocid - return the association ID, checking to see if it is valid
+ */
+static associd_t
+checkassocid(
+	u_int32 value
+	)
+{
+	associd_t	associd;
+	u_long		ulvalue;
+
+	associd = (associd_t)value;
+	if (0 == associd || value != associd) {
+		ulvalue = value;
+		fprintf(stderr,
+			"***Invalid association ID %lu specified\n",
+			ulvalue);
+		return 0;
+	}
+
+	return associd;
+}
+
+
+/*
+ * findlistvar - Look for the named variable in a varlist.  If found,
+ *		 return a pointer to it.  Otherwise, if the list has
+ *		 slots available, return the pointer to the first free
+ *		 slot, or NULL if it's full.
+ */
+static struct varlist *
+findlistvar(
+	struct varlist *list,
+	char *name
+	)
+{
+	struct varlist *vl;
+
+	for (vl = list; vl < list + MAXLIST && vl->name != NULL; vl++)
+		if (!strcmp(name, vl->name))
+			return vl;
+	if (vl < list + MAXLIST)
+		return vl;
+
+	return NULL;
+}
+
+
+/*
+ * doaddvlist - add variable(s) to the variable list
+ */
+static void
+doaddvlist(
+	struct varlist *vlist,
+	const char *vars
+	)
+{
+	struct varlist *vl;
+	int len;
+	char *name;
+	char *value;
+
+	len = strlen(vars);
+	while (nextvar(&len, &vars, &name, &value)) {
+		vl = findlistvar(vlist, name);
+		if (NULL == vl) {
+			fprintf(stderr, "Variable list full\n");
+			return;
+		}
+
+		if (NULL == vl->name) {
+			vl->name = estrdup(name);
+		} else if (vl->value != NULL) {
+			free(vl->value);
+			vl->value = NULL;
+		}
+
+		if (value != NULL)
+			vl->value = estrdup(value);
+	}
+}
+
+
+/*
+ * dormvlist - remove variable(s) from the variable list
+ */
+static void
+dormvlist(
+	struct varlist *vlist,
+	const char *vars
+	)
+{
+	struct varlist *vl;
+	int len;
+	char *name;
+	char *value;
+
+	len = strlen(vars);
+	while (nextvar(&len, &vars, &name, &value)) {
+		vl = findlistvar(vlist, name);
+		if (vl == 0 || vl->name == 0) {
+			(void) fprintf(stderr, "Variable `%s' not found\n",
+				       name);
+		} else {
+			free((void *)vl->name);
+			if (vl->value != 0)
+			    free(vl->value);
+			for ( ; (vl+1) < (g_varlist + MAXLIST)
+				      && (vl+1)->name != 0; vl++) {
+				vl->name = (vl+1)->name;
+				vl->value = (vl+1)->value;
+			}
+			vl->name = vl->value = 0;
+		}
+	}
+}
+
+
+/*
+ * doclearvlist - clear a variable list
+ */
+static void
+doclearvlist(
+	struct varlist *vlist
+	)
+{
+	register struct varlist *vl;
+
+	for (vl = vlist; vl < vlist + MAXLIST && vl->name != 0; vl++) {
+		free((void *)vl->name);
+		vl->name = 0;
+		if (vl->value != 0) {
+			free(vl->value);
+			vl->value = 0;
+		}
+	}
+}
+
+
+/*
+ * makequerydata - form a data buffer to be included with a query
+ */
+static void
+makequerydata(
+	struct varlist *vlist,
+	int *datalen,
+	char *data
+	)
+{
+	register struct varlist *vl;
+	register char *cp, *cpend;
+	register int namelen, valuelen;
+	register int totallen;
+
+	cp = data;
+	cpend = data + *datalen;
+
+	for (vl = vlist; vl < vlist + MAXLIST && vl->name != 0; vl++) {
+		namelen = strlen(vl->name);
+		if (vl->value == 0)
+			valuelen = 0;
+		else
+			valuelen = strlen(vl->value);
+		totallen = namelen + valuelen + (valuelen != 0) + (cp != data);
+		if (cp + totallen > cpend) {
+		    fprintf(stderr, 
+			    "***Ignoring variables starting with `%s'\n",
+			    vl->name);
+		    break;
+		}
+
+		if (cp != data)
+			*cp++ = ',';
+		memcpy(cp, vl->name, (size_t)namelen);
+		cp += namelen;
+		if (valuelen != 0) {
+			*cp++ = '=';
+			memcpy(cp, vl->value, (size_t)valuelen);
+			cp += valuelen;
+		}
+	}
+	*datalen = cp - data;
+}
+
+
+/*
+ * doquerylist - send a message including variables in a list
+ */
+static int
+doquerylist(
+	struct varlist *vlist,
+	int op,
+	associd_t associd,
+	int auth,
+	u_short *rstatus,
+	int *dsize,
+	const char **datap
+	)
+{
+	char data[CTL_MAX_DATA_LEN];
+	int datalen;
+
+	datalen = sizeof(data);
+	makequerydata(vlist, &datalen, data);
+
+	return doquery(op, associd, auth, datalen, data, rstatus, dsize,
+		       datap);
+}
+
+
+/*
+ * doprintvlist - print the variables on a list
+ */
+static void
+doprintvlist(
+	struct varlist *vlist,
+	FILE *fp
+	)
+{
+	size_t n;
+
+	if (NULL == vlist->name) {
+		fprintf(fp, "No variables on list\n");
+		return;
+	}
+	for (n = 0; n < MAXLIST && vlist[n].name != NULL; n++) {
+		if (NULL == vlist[n].value)
+			fprintf(fp, "%s\n", vlist[n].name);
+		else
+			fprintf(fp, "%s=%s\n", vlist[n].name,
+				vlist[n].value);
+	}
+}
+
+/*
+ * addvars - add variables to the variable list
+ */
+/*ARGSUSED*/
+static void
+addvars(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	doaddvlist(g_varlist, pcmd->argval[0].string);
+}
+
+
+/*
+ * rmvars - remove variables from the variable list
+ */
+/*ARGSUSED*/
+static void
+rmvars(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	dormvlist(g_varlist, pcmd->argval[0].string);
+}
+
+
+/*
+ * clearvars - clear the variable list
+ */
+/*ARGSUSED*/
+static void
+clearvars(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	doclearvlist(g_varlist);
+}
+
+
+/*
+ * showvars - show variables on the variable list
+ */
+/*ARGSUSED*/
+static void
+showvars(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	doprintvlist(g_varlist, fp);
+}
+
+
+/*
+ * dolist - send a request with the given list of variables
+ */
+static int
+dolist(
+	struct varlist *vlist,
+	associd_t associd,
+	int op,
+	int type,
+	FILE *fp
+	)
+{
+	const char *datap;
+	int res;
+	int dsize;
+	u_short rstatus;
+	int quiet;
+
+	/*
+	 * if we're asking for specific variables don't include the
+	 * status header line in the output.
+	 */
+	if (old_rv)
+		quiet = 0;
+	else
+		quiet = (vlist->name != NULL);
+
+	res = doquerylist(vlist, op, associd, 0, &rstatus, &dsize, &datap);
+
+	if (res != 0)
+		return 0;
+
+	if (numhosts > 1)
+		fprintf(fp, "server=%s ", currenthost);
+	if (dsize == 0) {
+		if (associd == 0)
+			fprintf(fp, "No system%s variables returned\n",
+				(type == TYPE_CLOCK) ? " clock" : "");
+		else
+			fprintf(fp,
+				"No information returned for%s association %u\n",
+				(type == TYPE_CLOCK) ? " clock" : "",
+				associd);
+		return 1;
+	}
+
+	if (!quiet)
+		fprintf(fp, "associd=%u ", associd);
+	printvars(dsize, datap, (int)rstatus, type, quiet, fp);
+	return 1;
+}
+
+
+/*
+ * readlist - send a read variables request with the variables on the list
+ */
+static void
+readlist(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	associd_t	associd;
+	int		type;
+
+	if (pcmd->nargs == 0) {
+		associd = 0;
+	} else {
+	  /* HMS: I think we want the u_int32 target here, not the u_long */
+		if (pcmd->argval[0].uval == 0)
+			associd = 0;
+		else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+			return;
+	}
+
+	type = (0 == associd)
+		   ? TYPE_SYS
+		   : TYPE_PEER;
+	dolist(g_varlist, associd, CTL_OP_READVAR, type, fp);
+}
+
+
+/*
+ * writelist - send a write variables request with the variables on the list
+ */
+static void
+writelist(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	const char *datap;
+	int res;
+	associd_t associd;
+	int dsize;
+	u_short rstatus;
+
+	if (pcmd->nargs == 0) {
+		associd = 0;
+	} else {
+		/* HMS: Do we really want uval here? */
+		if (pcmd->argval[0].uval == 0)
+			associd = 0;
+		else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+			return;
+	}
+
+	res = doquerylist(g_varlist, CTL_OP_WRITEVAR, associd, 1, &rstatus,
+			  &dsize, &datap);
+
+	if (res != 0)
+		return;
+
+	if (numhosts > 1)
+		(void) fprintf(fp, "server=%s ", currenthost);
+	if (dsize == 0)
+		(void) fprintf(fp, "done! (no data returned)\n");
+	else {
+		(void) fprintf(fp,"associd=%u ", associd);
+		printvars(dsize, datap, (int)rstatus,
+			  (associd != 0) ? TYPE_PEER : TYPE_SYS, 0, fp);
+	}
+	return;
+}
+
+
+/*
+ * readvar - send a read variables request with the specified variables
+ */
+static void
+readvar(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	associd_t	associd;
+	u_int		tmpcount;
+	u_int		u;
+	int		type;
+	struct varlist	tmplist[MAXLIST];
+
+
+	/* HMS: uval? */
+	if (pcmd->nargs == 0 || pcmd->argval[0].uval == 0)
+		associd = 0;
+	else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+		return;
+
+	ZERO(tmplist);
+	if (pcmd->nargs > 1) {
+		tmpcount = pcmd->nargs - 1;
+		for (u = 0; u < tmpcount; u++)
+			doaddvlist(tmplist, pcmd->argval[1 + u].string);
+	}
+
+	type = (0 == associd)
+		   ? TYPE_SYS
+		   : TYPE_PEER;
+	dolist(tmplist, associd, CTL_OP_READVAR, type, fp);
+
+	doclearvlist(tmplist);
+}
+
+
+/*
+ * writevar - send a write variables request with the specified variables
+ */
+static void
+writevar(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	const char *datap;
+	int res;
+	associd_t associd;
+	int type;
+	int dsize;
+	u_short rstatus;
+	struct varlist tmplist[MAXLIST];
+
+	/* HMS: uval? */
+	if (pcmd->argval[0].uval == 0)
+		associd = 0;
+	else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+		return;
+
+	ZERO(tmplist);
+	doaddvlist(tmplist, pcmd->argval[1].string);
+
+	res = doquerylist(tmplist, CTL_OP_WRITEVAR, associd, 1, &rstatus,
+			  &dsize, &datap);
+
+	doclearvlist(tmplist);
+
+	if (res != 0)
+		return;
+
+	if (numhosts > 1)
+		fprintf(fp, "server=%s ", currenthost);
+	if (dsize == 0)
+		fprintf(fp, "done! (no data returned)\n");
+	else {
+		fprintf(fp,"associd=%u ", associd);
+		type = (0 == associd)
+			   ? TYPE_SYS
+			   : TYPE_PEER;
+		printvars(dsize, datap, (int)rstatus, type, 0, fp);
+	}
+	return;
+}
+
+
+/*
+ * clocklist - send a clock variables request with the variables on the list
+ */
+static void
+clocklist(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	associd_t associd;
+
+	/* HMS: uval? */
+	if (pcmd->nargs == 0) {
+		associd = 0;
+	} else {
+		if (pcmd->argval[0].uval == 0)
+			associd = 0;
+		else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+			return;
+	}
+
+	dolist(g_varlist, associd, CTL_OP_READCLOCK, TYPE_CLOCK, fp);
+}
+
+
+/*
+ * clockvar - send a clock variables request with the specified variables
+ */
+static void
+clockvar(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	associd_t associd;
+	struct varlist tmplist[MAXLIST];
+
+	/* HMS: uval? */
+	if (pcmd->nargs == 0 || pcmd->argval[0].uval == 0)
+		associd = 0;
+	else if ((associd = checkassocid(pcmd->argval[0].uval)) == 0)
+		return;
+
+	ZERO(tmplist);
+	if (pcmd->nargs >= 2)
+		doaddvlist(tmplist, pcmd->argval[1].string);
+
+	dolist(tmplist, associd, CTL_OP_READCLOCK, TYPE_CLOCK, fp);
+
+	doclearvlist(tmplist);
+}
+
+
+/*
+ * findassidrange - verify a range of association ID's
+ */
+static int
+findassidrange(
+	u_int32	assid1,
+	u_int32	assid2,
+	int *	from,
+	int *	to,
+	FILE *	fp
+	)
+{
+	associd_t	assids[2];
+	int		ind[COUNTOF(assids)];
+	u_int		i;
+	size_t		a;
+
+
+	if (0 == numassoc)
+		dogetassoc(fp);
+
+	assids[0] = checkassocid(assid1);
+	if (0 == assids[0])
+		return 0;
+	assids[1] = checkassocid(assid2);
+	if (0 == assids[1])
+		return 0;
+
+	for (a = 0; a < COUNTOF(assids); a++) {
+		ind[a] = -1;
+		for (i = 0; i < numassoc; i++)
+			if (assoc_cache[i].assid == assids[a])
+				ind[a] = i;
+	}
+	for (a = 0; a < COUNTOF(assids); a++)
+		if (-1 == ind[a]) {
+			fprintf(stderr,
+				"***Association ID %u not found in list\n",
+				assids[a]);
+			return 0;
+		}
+
+	if (ind[0] < ind[1]) {
+		*from = ind[0];
+		*to = ind[1];
+	} else {
+		*to = ind[0];
+		*from = ind[1];
+	}
+	return 1;
+}
+
+
+
+/*
+ * mreadlist - send a read variables request for multiple associations
+ */
+static void
+mreadlist(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int i;
+	int from;
+	int to;
+
+	if (!findassidrange(pcmd->argval[0].uval, pcmd->argval[1].uval,
+			    &from, &to, fp))
+		return;
+
+	for (i = from; i <= to; i++) {
+		if (i != from)
+			fprintf(fp, "\n");
+		if (!dolist(g_varlist, assoc_cache[i].assid,
+			    CTL_OP_READVAR, TYPE_PEER, fp))
+			return;
+	}
+	return;
+}
+
+
+/*
+ * mreadvar - send a read variables request for multiple associations
+ */
+static void
+mreadvar(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int i;
+	int from;
+	int to;
+	struct varlist tmplist[MAXLIST];
+	struct varlist *pvars;
+
+	if (!findassidrange(pcmd->argval[0].uval, pcmd->argval[1].uval,
+				&from, &to, fp))
+		return;
+
+	ZERO(tmplist);
+	if (pcmd->nargs >= 3) {
+		doaddvlist(tmplist, pcmd->argval[2].string);
+		pvars = tmplist;
+	} else {
+		pvars = g_varlist;
+	}
+
+	for (i = from; i <= to; i++) {
+		if (!dolist(pvars, assoc_cache[i].assid, CTL_OP_READVAR,
+			    TYPE_PEER, fp))
+			break;
+	}
+
+	if (pvars == tmplist)
+		doclearvlist(tmplist);
+
+	return;
+}
+
+
+/*
+ * dogetassoc - query the host for its list of associations
+ */
+int
+dogetassoc(
+	FILE *fp
+	)
+{
+	const char *datap;
+	const u_short *pus;
+	int res;
+	int dsize;
+	u_short rstatus;
+
+	res = doquery(CTL_OP_READSTAT, 0, 0, 0, (char *)0, &rstatus,
+			  &dsize, &datap);
+
+	if (res != 0)
+		return 0;
+
+	if (dsize == 0) {
+		if (numhosts > 1)
+			fprintf(fp, "server=%s ", currenthost);
+		fprintf(fp, "No association ID's returned\n");
+		return 0;
+	}
+
+	if (dsize & 0x3) {
+		if (numhosts > 1)
+			fprintf(stderr, "server=%s ", currenthost);
+		fprintf(stderr,
+			"***Server returned %d octets, should be multiple of 4\n",
+			dsize);
+		return 0;
+	}
+
+	numassoc = 0;
+
+	while (dsize > 0) {
+		if (numassoc >= assoc_cache_slots) {
+			grow_assoc_cache();
+		}
+		pus = (const void *)datap;
+		assoc_cache[numassoc].assid = ntohs(*pus);
+		datap += sizeof(*pus);
+		pus = (const void *)datap;
+		assoc_cache[numassoc].status = ntohs(*pus);
+		datap += sizeof(*pus);
+		dsize -= 2 * sizeof(*pus);
+		if (debug) {
+			fprintf(stderr, "[%u] ",
+				assoc_cache[numassoc].assid);
+		}
+		numassoc++;
+	}
+	if (debug) {
+		fprintf(stderr, "\n%d associations total\n", numassoc);
+	}
+	sortassoc();
+	return 1;
+}
+
+
+/*
+ * printassoc - print the current list of associations
+ */
+static void
+printassoc(
+	int showall,
+	FILE *fp
+	)
+{
+	register char *bp;
+	u_int i;
+	u_char statval;
+	int event;
+	u_long event_count;
+	const char *conf;
+	const char *reach;
+	const char *auth;
+	const char *condition = "";
+	const char *last_event;
+	char buf[128];
+
+	if (numassoc == 0) {
+		(void) fprintf(fp, "No association ID's in list\n");
+		return;
+	}
+
+	/*
+	 * Output a header
+	 */
+	(void) fprintf(fp,
+			   "\nind assid status  conf reach auth condition  last_event cnt\n");
+	(void) fprintf(fp,
+			   "===========================================================\n");
+	for (i = 0; i < numassoc; i++) {
+		statval = (u_char) CTL_PEER_STATVAL(assoc_cache[i].status);
+		if (!showall && !(statval & (CTL_PST_CONFIG|CTL_PST_REACH)))
+			continue;
+		event = CTL_PEER_EVENT(assoc_cache[i].status);
+		event_count = CTL_PEER_NEVNT(assoc_cache[i].status);
+		if (statval & CTL_PST_CONFIG)
+			conf = "yes";
+		else
+			conf = "no";
+		if (statval & CTL_PST_BCAST) {
+			reach = "none";
+			if (statval & CTL_PST_AUTHENABLE)
+				auth = "yes";
+			else
+				auth = "none";
+		} else {
+			if (statval & CTL_PST_REACH)
+				reach = "yes";
+			else
+				reach = "no";
+			if (statval & CTL_PST_AUTHENABLE) {
+				if (statval & CTL_PST_AUTHENTIC)
+					auth = "ok ";
+				else
+					auth = "bad";
+			} else {
+				auth = "none";
+			}
+		}
+		if (pktversion > NTP_OLDVERSION) {
+			switch (statval & 0x7) {
+
+			case CTL_PST_SEL_REJECT:
+				condition = "reject";
+				break;
+
+			case CTL_PST_SEL_SANE:
+				condition = "falsetick";
+				break;
+
+			case CTL_PST_SEL_CORRECT:
+				condition = "excess";
+				break;
+
+			case CTL_PST_SEL_SELCAND:
+				condition = "outlyer";
+				break;
+
+			case CTL_PST_SEL_SYNCCAND:
+				condition = "candidate";
+				break;
+
+			case CTL_PST_SEL_EXCESS:
+				condition = "backup";
+				break;
+
+			case CTL_PST_SEL_SYSPEER:
+				condition = "sys.peer";
+				break;
+
+			case CTL_PST_SEL_PPS:
+				condition = "pps.peer";
+				break;
+			}
+		} else {
+			switch (statval & 0x3) {
+
+			case OLD_CTL_PST_SEL_REJECT:
+				if (!(statval & OLD_CTL_PST_SANE))
+					condition = "insane";
+				else if (!(statval & OLD_CTL_PST_DISP))
+					condition = "hi_disp";
+				else
+					condition = "";
+				break;
+
+			case OLD_CTL_PST_SEL_SELCAND:
+				condition = "sel_cand";
+				break;
+
+			case OLD_CTL_PST_SEL_SYNCCAND:
+				condition = "sync_cand";
+				break;
+
+			case OLD_CTL_PST_SEL_SYSPEER:
+				condition = "sys_peer";
+				break;
+			}
+		}
+		switch (PEER_EVENT|event) {
+
+		case PEVNT_MOBIL:
+			last_event = "mobilize";
+			break;
+
+		case PEVNT_DEMOBIL:
+			last_event = "demobilize";
+			break;
+
+		case PEVNT_REACH:
+			last_event = "reachable";
+			break;
+
+		case PEVNT_UNREACH:
+			last_event = "unreachable";
+			break;
+
+		case PEVNT_RESTART:
+			last_event = "restart";
+			break;
+
+		case PEVNT_REPLY:
+			last_event = "no_reply";
+			break;
+
+		case PEVNT_RATE:
+			last_event = "rate_exceeded";
+			break;
+
+		case PEVNT_DENY:
+			last_event = "access_denied";
+			break;
+
+		case PEVNT_ARMED:
+			last_event = "leap_armed";
+			break;
+
+		case PEVNT_NEWPEER:
+			last_event = "sys_peer";
+			break;
+
+		case PEVNT_CLOCK:
+			last_event = "clock_alarm";
+			break;
+
+		default:
+			last_event = "";
+			break;
+		}
+		snprintf(buf, sizeof(buf),
+			 "%3d %5u  %04x   %3.3s  %4s  %4.4s %9.9s %11s %2lu",
+			 i + 1, assoc_cache[i].assid,
+			 assoc_cache[i].status, conf, reach, auth,
+			 condition, last_event, event_count);
+		bp = buf + strlen(buf);
+		while (bp > buf && ' ' == bp[-1])
+			--bp;
+		bp[0] = '\0';
+		fprintf(fp, "%s\n", buf);
+	}
+}
+
+
+/*
+ * associations - get, record and print a list of associations
+ */
+/*ARGSUSED*/
+static void
+associations(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	if (dogetassoc(fp))
+		printassoc(0, fp);
+}
+
+
+/*
+ * lassociations - get, record and print a long list of associations
+ */
+/*ARGSUSED*/
+static void
+lassociations(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	if (dogetassoc(fp))
+		printassoc(1, fp);
+}
+
+
+/*
+ * passociations - print the association list
+ */
+/*ARGSUSED*/
+static void
+passociations(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	printassoc(0, fp);
+}
+
+
+/*
+ * lpassociations - print the long association list
+ */
+/*ARGSUSED*/
+static void
+lpassociations(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	printassoc(1, fp);
+}
+
+
+/*
+ *  saveconfig - dump ntp server configuration to server file
+ */
+static void
+saveconfig(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	const char *datap;
+	int res;
+	int dsize;
+	u_short rstatus;
+
+	if (0 == pcmd->nargs)
+		return;
+	
+	res = doquery(CTL_OP_SAVECONFIG, 0, 1,
+		      strlen(pcmd->argval[0].string),
+		      pcmd->argval[0].string, &rstatus, &dsize,
+		      &datap);
+
+	if (res != 0)
+		return;
+
+	if (0 == dsize)
+		fprintf(fp, "(no response message, curiously)");
+	else
+		fprintf(fp, "%.*s", dsize, datap);
+}
+
+
+#ifdef	UNUSED
+/*
+ * radiostatus - print the radio status returned by the server
+ */
+/*ARGSUSED*/
+static void
+radiostatus(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	char *datap;
+	int res;
+	int dsize;
+	u_short rstatus;
+
+	res = doquery(CTL_OP_READCLOCK, 0, 0, 0, (char *)0, &rstatus,
+			  &dsize, &datap);
+
+	if (res != 0)
+		return;
+
+	if (numhosts > 1)
+		(void) fprintf(fp, "server=%s ", currenthost);
+	if (dsize == 0) {
+		(void) fprintf(fp, "No radio status string returned\n");
+		return;
+	}
+
+	asciize(dsize, datap, fp);
+}
+#endif	/* UNUSED */
+
+/*
+ * when - print how long its been since his last packet arrived
+ */
+static long
+when(
+	l_fp *ts,
+	l_fp *rec,
+	l_fp *reftime
+	)
+{
+	l_fp *lasttime;
+
+	if (rec->l_ui != 0)
+		lasttime = rec;
+	else if (reftime->l_ui != 0)
+		lasttime = reftime;
+	else
+		return 0;
+
+	return (ts->l_ui - lasttime->l_ui);
+}
+
+
+/*
+ * Pretty-print an interval into the given buffer, in a human-friendly format.
+ */
+static char *
+prettyinterval(
+	char *buf,
+	size_t cb,
+	long diff
+	)
+{
+	if (diff <= 0) {
+		buf[0] = '-';
+		buf[1] = 0;
+		return buf;
+	}
+
+	if (diff <= 2048) {
+		snprintf(buf, cb, "%ld", diff);
+		return buf;
+	}
+
+	diff = (diff + 29) / 60;
+	if (diff <= 300) {
+		snprintf(buf, cb, "%ldm", diff);
+		return buf;
+	}
+
+	diff = (diff + 29) / 60;
+	if (diff <= 96) {
+		snprintf(buf, cb, "%ldh", diff);
+		return buf;
+	}
+
+	diff = (diff + 11) / 24;
+	snprintf(buf, cb, "%ldd", diff);
+	return buf;
+}
+
+static char
+decodeaddrtype(
+	sockaddr_u *sock
+	)
+{
+	char ch = '-';
+	u_int32 dummy;
+
+	switch(AF(sock)) {
+	case AF_INET:
+		dummy = SRCADR(sock);
+		ch = (char)(((dummy&0xf0000000)==0xe0000000) ? 'm' :
+			((dummy&0x000000ff)==0x000000ff) ? 'b' :
+			((dummy&0xffffffff)==0x7f000001) ? 'l' :
+			((dummy&0xffffffe0)==0x00000000) ? '-' :
+			'u');
+		break;
+	case AF_INET6:
+		if (IN6_IS_ADDR_MULTICAST(PSOCK_ADDR6(sock)))
+			ch = 'm';
+		else
+			ch = 'u';
+		break;
+	default:
+		ch = '-';
+		break;
+	}
+	return ch;
+}
+
+/*
+ * A list of variables required by the peers command
+ */
+struct varlist opeervarlist[] = {
+	{ "srcadr",	0 },	/* 0 */
+	{ "dstadr",	0 },	/* 1 */
+	{ "stratum",	0 },	/* 2 */
+	{ "hpoll",	0 },	/* 3 */
+	{ "ppoll",	0 },	/* 4 */
+	{ "reach",	0 },	/* 5 */
+	{ "delay",	0 },	/* 6 */
+	{ "offset",	0 },	/* 7 */
+	{ "jitter",	0 },	/* 8 */
+	{ "dispersion", 0 },	/* 9 */
+	{ "rec",	0 },	/* 10 */
+	{ "reftime",	0 },	/* 11 */
+	{ "srcport",	0 },	/* 12 */
+	{ "hmode",	0 },	/* 13 */
+	{ 0,		0 }
+};
+
+struct varlist peervarlist[] = {
+	{ "srcadr",	0 },	/* 0 */
+	{ "refid",	0 },	/* 1 */
+	{ "stratum",	0 },	/* 2 */
+	{ "hpoll",	0 },	/* 3 */
+	{ "ppoll",	0 },	/* 4 */
+	{ "reach",	0 },	/* 5 */
+	{ "delay",	0 },	/* 6 */
+	{ "offset",	0 },	/* 7 */
+	{ "jitter",	0 },	/* 8 */
+	{ "dispersion", 0 },	/* 9 */
+	{ "rec",	0 },	/* 10 */
+	{ "reftime",	0 },	/* 11 */
+	{ "srcport",	0 },	/* 12 */
+	{ "hmode",	0 },	/* 13 */
+	{ "srchost",	0 },	/* 14 */
+	{ 0,		0 }
+};
+
+
+/*
+ * Decode an incoming data buffer and print a line in the peer list
+ */
+static int
+doprintpeers(
+	struct varlist *pvl,
+	int associd,
+	int rstatus,
+	int datalen,
+	const char *data,
+	FILE *fp,
+	int af
+	)
+{
+	char *name;
+	char *value = NULL;
+	int c;
+	int len;
+	int have_srchost;
+	int have_dstadr;
+	int have_da_rid;
+	int have_jitter;
+	sockaddr_u srcadr;
+	sockaddr_u dstadr;
+	sockaddr_u dum_store;
+	sockaddr_u refidadr;
+	long hmode = 0;
+	u_long srcport = 0;
+	u_int32 u32;
+	const char *dstadr_refid = "0.0.0.0";
+	const char *serverlocal;
+	size_t drlen;
+	u_long stratum = 0;
+	long ppoll = 0;
+	long hpoll = 0;
+	u_long reach = 0;
+	l_fp estoffset;
+	l_fp estdelay;
+	l_fp estjitter;
+	l_fp estdisp;
+	l_fp reftime;
+	l_fp rec;
+	l_fp ts;
+	u_long poll_sec;
+	char type = '?';
+	char whenbuf[8], pollbuf[8];
+	char clock_name[LENHOSTNAME];
+
+	get_systime(&ts);
+	
+	have_srchost = FALSE;
+	have_dstadr = FALSE;
+	have_da_rid = FALSE;
+	have_jitter = FALSE;
+	ZERO_SOCK(&srcadr);
+	ZERO_SOCK(&dstadr);
+	clock_name[0] = '\0';
+	ZERO(estoffset);
+	ZERO(estdelay);
+	ZERO(estjitter);
+	ZERO(estdisp);
+
+	while (nextvar(&datalen, &data, &name, &value)) {
+		if (!strcmp("srcadr", name) ||
+		    !strcmp("peeradr", name)) {
+			if (!decodenetnum(value, &srcadr))
+				fprintf(stderr, "malformed %s=%s\n",
+					name, value);
+		} else if (!strcmp("srchost", name)) {
+			if (pvl == peervarlist) {
+				len = strlen(value);
+				if (2 < len &&
+				    (size_t)len < sizeof(clock_name)) {
+					/* strip quotes */
+					value++;
+					len -= 2;
+					memcpy(clock_name, value, len);
+					clock_name[len] = '\0';
+					have_srchost = TRUE;
+				}
+			}
+		} else if (!strcmp("dstadr", name)) {
+			if (decodenetnum(value, &dum_store)) {
+				type = decodeaddrtype(&dum_store);
+				have_dstadr = TRUE;
+				dstadr = dum_store;
+				if (pvl == opeervarlist) {
+					have_da_rid = TRUE;
+					dstadr_refid = trunc_left(stoa(&dstadr), 15);
+				}
+			}
+		} else if (!strcmp("hmode", name)) {
+			decodeint(value, &hmode);
+		} else if (!strcmp("refid", name)) {
+			if (pvl == peervarlist) {
+				have_da_rid = TRUE;
+				drlen = strlen(value);
+				if (0 == drlen) {
+					dstadr_refid = "";
+				} else if (drlen <= 4) {
+					ZERO(u32);
+					memcpy(&u32, value, drlen);
+					dstadr_refid = refid_str(u32, 1);
+				} else if (decodenetnum(value, &refidadr)) {
+					if (SOCK_UNSPEC(&refidadr))
+						dstadr_refid = "0.0.0.0";
+					else if (ISREFCLOCKADR(&refidadr))
+						dstadr_refid =
+						    refnumtoa(&refidadr);
+					else
+						dstadr_refid =
+						    stoa(&refidadr);
+				} else {
+					have_da_rid = FALSE;
+				}
+			}
+		} else if (!strcmp("stratum", name)) {
+			decodeuint(value, &stratum);
+		} else if (!strcmp("hpoll", name)) {
+			if (decodeint(value, &hpoll) && hpoll < 0)
+				hpoll = NTP_MINPOLL;
+		} else if (!strcmp("ppoll", name)) {
+			if (decodeint(value, &ppoll) && ppoll < 0)
+				ppoll = NTP_MINPOLL;
+		} else if (!strcmp("reach", name)) {
+			decodeuint(value, &reach);
+		} else if (!strcmp("delay", name)) {
+			decodetime(value, &estdelay);
+		} else if (!strcmp("offset", name)) {
+			decodetime(value, &estoffset);
+		} else if (!strcmp("jitter", name)) {
+			if (pvl == peervarlist &&
+			    decodetime(value, &estjitter))
+				have_jitter = 1;
+		} else if (!strcmp("rootdisp", name) ||
+			   !strcmp("dispersion", name)) {
+			decodetime(value, &estdisp);
+		} else if (!strcmp("rec", name)) {
+			decodets(value, &rec);
+		} else if (!strcmp("srcport", name) ||
+			   !strcmp("peerport", name)) {
+			decodeuint(value, &srcport);
+		} else if (!strcmp("reftime", name)) {
+			if (!decodets(value, &reftime))
+				L_CLR(&reftime);
+		}
+	}
+
+	/*
+	 * hmode gives the best guidance for the t column.  If the response
+	 * did not include hmode we'll use the old decodeaddrtype() result.
+	 */
+	switch (hmode) {
+
+	case MODE_BCLIENT:
+		/* broadcastclient or multicastclient */
+		type = 'b';
+		break;
+
+	case MODE_BROADCAST:
+		/* broadcast or multicast server */
+		if (IS_MCAST(&srcadr))
+			type = 'M';
+		else
+			type = 'B';
+		break;
+
+	case MODE_CLIENT:
+		if (ISREFCLOCKADR(&srcadr))
+			type = 'l';	/* local refclock*/
+		else if (SOCK_UNSPEC(&srcadr))
+			type = 'p';	/* pool */
+		else if (IS_MCAST(&srcadr))
+			type = 'a';	/* manycastclient */
+		else
+			type = 'u';	/* unicast */
+		break;
+
+	case MODE_ACTIVE:
+		type = 's';		/* symmetric active */
+		break;			/* configured */
+
+	case MODE_PASSIVE:
+		type = 'S';		/* symmetric passive */
+		break;			/* ephemeral */
+	}
+
+	/*
+	 * Got everything, format the line
+	 */
+	poll_sec = 1 << min(ppoll, hpoll);
+	if (pktversion > NTP_OLDVERSION)
+		c = flash3[CTL_PEER_STATVAL(rstatus) & 0x7];
+	else
+		c = flash2[CTL_PEER_STATVAL(rstatus) & 0x3];
+	if (numhosts > 1) {
+		if (peervarlist == pvl && have_dstadr) {
+			serverlocal = nntohost_col(&dstadr,
+			    (size_t)min(LIB_BUFLENGTH - 1, maxhostlen),
+			    TRUE);
+		} else {
+			if (currenthostisnum)
+				serverlocal = trunc_left(currenthost,
+							 maxhostlen);
+			else
+				serverlocal = currenthost;
+		}
+		fprintf(fp, "%-*s ", (int)maxhostlen, serverlocal);
+	}
+	if (AF_UNSPEC == af || AF(&srcadr) == af) {
+		if (!have_srchost)
+			strlcpy(clock_name, nntohost(&srcadr),
+				sizeof(clock_name));
+		if (wideremote && 15 < strlen(clock_name))
+			fprintf(fp, "%c%s\n                 ", c, clock_name);
+		else
+			fprintf(fp, "%c%-15.15s ", c, clock_name);
+		if (!have_da_rid) {
+			drlen = 0;
+		} else {
+			drlen = strlen(dstadr_refid);
+			makeascii(drlen, dstadr_refid, fp);
+		}
+		while (drlen++ < 15)
+			fputc(' ', fp);
+		fprintf(fp,
+			" %2ld %c %4.4s %4.4s  %3lo  %7.7s %8.7s %7.7s\n",
+			stratum, type,
+			prettyinterval(whenbuf, sizeof(whenbuf),
+				       when(&ts, &rec, &reftime)),
+			prettyinterval(pollbuf, sizeof(pollbuf), 
+				       (int)poll_sec),
+			reach, lfptoms(&estdelay, 3),
+			lfptoms(&estoffset, 3),
+			(have_jitter)
+			    ? lfptoms(&estjitter, 3)
+			    : lfptoms(&estdisp, 3));
+		return (1);
+	}
+	else
+		return(1);
+}
+
+
+/*
+ * dogetpeers - given an association ID, read and print the spreadsheet
+ *		peer variables.
+ */
+static int
+dogetpeers(
+	struct varlist *pvl,
+	associd_t associd,
+	FILE *fp,
+	int af
+	)
+{
+	const char *datap;
+	int res;
+	int dsize;
+	u_short rstatus;
+
+#ifdef notdef
+	res = doquerylist(pvl, CTL_OP_READVAR, associd, 0, &rstatus,
+			  &dsize, &datap);
+#else
+	/*
+	 * Damn fuzzballs
+	 */
+	res = doquery(CTL_OP_READVAR, associd, 0, 0, NULL, &rstatus,
+			  &dsize, &datap);
+#endif
+
+	if (res != 0)
+		return 0;
+
+	if (dsize == 0) {
+		if (numhosts > 1)
+			fprintf(stderr, "server=%s ", currenthost);
+		fprintf(stderr,
+			"***No information returned for association %u\n",
+			associd);
+		return 0;
+	}
+
+	return doprintpeers(pvl, associd, (int)rstatus, dsize, datap,
+			    fp, af);
+}
+
+
+/*
+ * peers - print a peer spreadsheet
+ */
+static void
+dopeers(
+	int showall,
+	FILE *fp,
+	int af
+	)
+{
+	u_int		u;
+	char		fullname[LENHOSTNAME];
+	sockaddr_u	netnum;
+	const char *	name_or_num;
+	size_t		sl;
+
+	if (!dogetassoc(fp))
+		return;
+
+	for (u = 0; u < numhosts; u++) {
+		if (getnetnum(chosts[u].name, &netnum, fullname, af)) {
+			name_or_num = nntohost(&netnum);
+			sl = strlen(name_or_num);
+			maxhostlen = max(maxhostlen, sl);
+		}
+	}
+	if (numhosts > 1)
+		fprintf(fp, "%-*.*s ", (int)maxhostlen, (int)maxhostlen,
+			"server (local)");
+	fprintf(fp,
+		"     remote           refid      st t when poll reach   delay   offset  jitter\n");
+	if (numhosts > 1)
+		for (u = 0; u <= maxhostlen; u++)
+			fprintf(fp, "=");
+	fprintf(fp,
+		"==============================================================================\n");
+
+	for (u = 0; u < numassoc; u++) {
+		if (!showall &&
+		    !(CTL_PEER_STATVAL(assoc_cache[u].status)
+		      & (CTL_PST_CONFIG|CTL_PST_REACH))) {
+			if (debug)
+				fprintf(stderr, "eliding [%d]\n",
+					(int)assoc_cache[u].assid);
+			continue;
+		}
+		if (!dogetpeers(peervarlist, (int)assoc_cache[u].assid,
+				fp, af))
+			return;
+	}
+	return;
+}
+
+
+/*
+ * peers - print a peer spreadsheet
+ */
+/*ARGSUSED*/
+static void
+peers(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int af = 0;
+
+	if (pcmd->nargs == 1) {
+		if (pcmd->argval->ival == 6)
+			af = AF_INET6;
+		else
+			af = AF_INET;
+	}
+	dopeers(0, fp, af);
+}
+
+
+/*
+ * lpeers - print a peer spreadsheet including all fuzzball peers
+ */
+/*ARGSUSED*/
+static void
+lpeers(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int af = 0;
+
+	if (pcmd->nargs == 1) {
+		if (pcmd->argval->ival == 6)
+			af = AF_INET6;
+		else
+			af = AF_INET;
+	}
+	dopeers(1, fp, af);
+}
+
+
+/*
+ * opeers - print a peer spreadsheet
+ */
+static void
+doopeers(
+	int showall,
+	FILE *fp,
+	int af
+	)
+{
+	u_int i;
+	char fullname[LENHOSTNAME];
+	sockaddr_u netnum;
+
+	if (!dogetassoc(fp))
+		return;
+
+	for (i = 0; i < numhosts; ++i) {
+		if (getnetnum(chosts[i].name, &netnum, fullname, af))
+			if (strlen(fullname) > maxhostlen)
+				maxhostlen = strlen(fullname);
+	}
+	if (numhosts > 1)
+		fprintf(fp, "%-*.*s ", (int)maxhostlen, (int)maxhostlen,
+			"server");
+	fprintf(fp,
+	    "     remote           local      st t when poll reach   delay   offset    disp\n");
+	if (numhosts > 1)
+		for (i = 0; i <= maxhostlen; ++i)
+			fprintf(fp, "=");
+	fprintf(fp,
+	    "==============================================================================\n");
+
+	for (i = 0; i < numassoc; i++) {
+		if (!showall &&
+		    !(CTL_PEER_STATVAL(assoc_cache[i].status) &
+		      (CTL_PST_CONFIG | CTL_PST_REACH)))
+			continue;
+		if (!dogetpeers(opeervarlist, assoc_cache[i].assid, fp, af))
+			return;
+	}
+	return;
+}
+
+
+/*
+ * opeers - print a peer spreadsheet the old way
+ */
+/*ARGSUSED*/
+static void
+opeers(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int af = 0;
+
+	if (pcmd->nargs == 1) {
+		if (pcmd->argval->ival == 6)
+			af = AF_INET6;
+		else
+			af = AF_INET;
+	}
+	doopeers(0, fp, af);
+}
+
+
+/*
+ * lopeers - print a peer spreadsheet including all fuzzball peers
+ */
+/*ARGSUSED*/
+static void
+lopeers(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	int af = 0;
+
+	if (pcmd->nargs == 1) {
+		if (pcmd->argval->ival == 6)
+			af = AF_INET6;
+		else
+			af = AF_INET;
+	}
+	doopeers(1, fp, af);
+}
+
+
+/* 
+ * config - send a configuration command to a remote host
+ */
+static void 
+config (
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	const char *cfgcmd;
+	u_short rstatus;
+	int rsize;
+	const char *rdata;
+	char *resp;
+	int res;
+	int col;
+	int i;
+
+	cfgcmd = pcmd->argval[0].string;
+
+	if (debug > 2)
+		fprintf(stderr, 
+			"In Config\n"
+			"Keyword = %s\n"
+			"Command = %s\n", pcmd->keyword, cfgcmd);
+
+	res = doquery(CTL_OP_CONFIGURE, 0, 1, strlen(cfgcmd), cfgcmd,
+		      &rstatus, &rsize, &rdata);
+
+	if (res != 0)
+		return;
+
+	if (rsize > 0 && '\n' == rdata[rsize - 1])
+		rsize--;
+
+	resp = emalloc(rsize + 1);
+	memcpy(resp, rdata, rsize);
+	resp[rsize] = '\0';
+
+	col = -1;
+	if (1 == sscanf(resp, "column %d syntax error", &col)
+	    && col >= 0 && (size_t)col <= strlen(cfgcmd) + 1) {
+		if (interactive) {
+			printf("______");	/* "ntpq> " */
+			printf("________");	/* ":config " */
+		} else
+			printf("%s\n", cfgcmd);
+		for (i = 1; i < col; i++)
+			putchar('_');
+		printf("^\n");
+	}
+	printf("%s\n", resp);
+	free(resp);
+}
+
+
+/* 
+ * config_from_file - remotely configure an ntpd daemon using the
+ * specified configuration file
+ * SK: This function is a kludge at best and is full of bad design
+ * bugs:
+ * 1. ntpq uses UDP, which means that there is no guarantee of in-order,
+ *    error-free delivery. 
+ * 2. The maximum length of a packet is constrained, and as a result, the
+ *    maximum length of a line in a configuration file is constrained. 
+ *    Longer lines will lead to unpredictable results.
+ * 3. Since this function is sending a line at a time, we can't update
+ *    the control key through the configuration file (YUCK!!)
+ */
+static void 
+config_from_file (
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+	u_short rstatus;
+	int rsize;
+	const char *rdata;
+	int res;
+	FILE *config_fd;
+	char config_cmd[MAXLINE];
+	size_t config_len;
+	int i;
+	int retry_limit;
+
+	if (debug > 2)
+		fprintf(stderr,
+			"In Config\n"
+			"Keyword = %s\n"
+			"Filename = %s\n", pcmd->keyword,
+			pcmd->argval[0].string);
+
+	config_fd = fopen(pcmd->argval[0].string, "r");
+	if (NULL == config_fd) {
+		printf("ERROR!! Couldn't open file: %s\n",
+		       pcmd->argval[0].string);
+		return;
+	}
+
+	printf("Sending configuration file, one line at a time.\n");
+	i = 0;
+	while (fgets(config_cmd, MAXLINE, config_fd) != NULL) {
+		config_len = strlen(config_cmd);
+		/* ensure even the last line has newline, if possible */
+		if (config_len > 0 && 
+		    config_len + 2 < sizeof(config_cmd) &&
+		    '\n' != config_cmd[config_len - 1])
+			config_cmd[config_len++] = '\n';
+		++i;
+		retry_limit = 2;
+		do 
+			res = doquery(CTL_OP_CONFIGURE, 0, 1,
+				      strlen(config_cmd), config_cmd,
+				      &rstatus, &rsize, &rdata);
+		while (res != 0 && retry_limit--);
+		if (res != 0) {
+			printf("Line No: %d query failed: %s", i,
+			       config_cmd);
+			printf("Subsequent lines not sent.\n");
+			fclose(config_fd);
+			return;
+		}
+
+		if (rsize > 0 && '\n' == rdata[rsize - 1])
+			rsize--;
+		if (rsize > 0 && '\r' == rdata[rsize - 1])
+			rsize--;
+		printf("Line No: %d %.*s: %s", i, rsize, rdata,
+		       config_cmd);
+	}
+	printf("Done sending file\n");
+	fclose(config_fd);
+}
+
+
+static int
+fetch_nonce(
+	char *	nonce,
+	size_t	cb_nonce
+	)
+{
+	const char	nonce_eq[] = "nonce=";
+	int		qres;
+	u_short		rstatus;
+	int		rsize;
+	const char *	rdata;
+	int		chars;
+
+	/*
+	 * Retrieve a nonce specific to this client to demonstrate to
+	 * ntpd that we're capable of receiving responses to our source
+	 * IP address, and thereby unlikely to be forging the source.
+	 */
+	qres = doquery(CTL_OP_REQ_NONCE, 0, 0, 0, NULL, &rstatus,
+		       &rsize, &rdata);
+	if (qres) {
+		fprintf(stderr, "nonce request failed\n");
+		return FALSE;
+	}
+
+	if (rsize <= sizeof(nonce_eq) - 1 ||
+	    strncmp(rdata, nonce_eq, sizeof(nonce_eq) - 1)) {
+		fprintf(stderr, "unexpected nonce response format: %.*s\n",
+			rsize, rdata);
+		return FALSE;
+	}
+	chars = rsize - (sizeof(nonce_eq) - 1);
+	if (chars >= (int)cb_nonce)
+		return FALSE;
+	memcpy(nonce, rdata + sizeof(nonce_eq) - 1, chars);
+	nonce[chars] = '\0';
+	while (chars > 0 &&
+	       ('\r' == nonce[chars - 1] || '\n' == nonce[chars - 1])) {
+		chars--;
+		nonce[chars] = '\0';
+	}
+	
+	return TRUE;
+}
+
+
+/*
+ * add_mru	Add and entry to mru list, hash table, and allocate
+ *		and return a replacement.
+ *		This is a helper for collect_mru_list().
+ */
+static mru *
+add_mru(
+	mru *add
+	)
+{
+	u_short hash;
+	mru *mon;
+	mru *unlinked;
+
+
+	hash = NTP_HASH_ADDR(&add->addr);
+	/* see if we have it among previously received entries */
+	for (mon = hash_table[hash]; mon != NULL; mon = mon->hlink)
+		if (SOCK_EQ(&mon->addr, &add->addr))
+			break;
+	if (mon != NULL) {
+		if (!L_ISGEQ(&add->first, &mon->first)) {
+			fprintf(stderr,
+				"add_mru duplicate %s new first ts %08x.%08x precedes prior %08x.%08x\n",
+				sptoa(&add->addr), add->last.l_ui,
+				add->last.l_uf, mon->last.l_ui,
+				mon->last.l_uf);
+			exit(1);
+		}
+		UNLINK_DLIST(mon, mlink);
+		UNLINK_SLIST(unlinked, hash_table[hash], mon, hlink, mru);
+		NTP_INSIST(unlinked == mon);
+		mru_dupes++;
+		TRACE(2, ("(updated from %08x.%08x) ", mon->last.l_ui,
+		      mon->last.l_uf));
+	}
+	LINK_DLIST(mru_list, add, mlink);
+	LINK_SLIST(hash_table[hash], add, hlink);
+	TRACE(2, ("add_mru %08x.%08x c %d m %d v %d rest %x first %08x.%08x %s\n",
+	      add->last.l_ui, add->last.l_uf, add->count,
+	      (int)add->mode, (int)add->ver, (u_int)add->rs,
+	      add->first.l_ui, add->first.l_uf, sptoa(&add->addr)));
+	/* if we didn't update an existing entry, alloc replacement */
+	if (NULL == mon) {
+		mon = emalloc(sizeof(*mon));
+		mru_count++;
+	}
+	ZERO(*mon);
+
+	return mon;
+}
+
+
+/* MGOT macro is specific to collect_mru_list() */
+#define MGOT(bit)				\
+	do {					\
+		got |= (bit);			\
+		if (MRU_GOT_ALL == got) {	\
+			got = 0;		\
+			mon = add_mru(mon);	\
+			ci++;			\
+		}				\
+	} while (0)
+
+
+void
+mrulist_ctrl_c_hook(void)
+{
+	mrulist_interrupted = TRUE;
+}
+
+
+static int
+collect_mru_list(
+	const char *	parms,
+	l_fp *		pnow
+	)
+{
+	const u_int sleep_msecs = 5;
+	static int ntpd_row_limit = MRU_ROW_LIMIT;
+	int c_mru_l_rc;		/* this function's return code */
+	u_char got;		/* MRU_GOT_* bits */
+	time_t next_report;
+	size_t cb;
+	mru *mon;
+	mru *head;
+	mru *recent;
+	int list_complete;
+	char nonce[128];
+	char buf[128];
+	char req_buf[CTL_MAX_DATA_LEN];
+	char *req;
+	char *req_end;
+	int chars;
+	int qres;
+	u_short rstatus;
+	int rsize;
+	const char *rdata;
+	int limit;
+	int frags;
+	int cap_frags;
+	char *tag;
+	char *val;
+	int si;		/* server index in response */
+	int ci;		/* client (our) index for validation */
+	int ri;		/* request index (.# suffix) */
+	int mv;
+	l_fp newest;
+	l_fp last_older;
+	sockaddr_u addr_older;
+	int have_now;
+	int have_addr_older; 
+	int have_last_older;
+	u_int restarted_count;
+	u_int nonce_uses;
+	u_short hash;
+	mru *unlinked;
+
+	if (!fetch_nonce(nonce, sizeof(nonce)))
+		return FALSE;
+
+	nonce_uses = 0;
+	restarted_count = 0;
+	mru_count = 0;
+	INIT_DLIST(mru_list, mlink);
+	cb = NTP_HASH_SIZE * sizeof(*hash_table);
+	NTP_INSIST(NULL == hash_table);
+	hash_table = emalloc_zero(cb);
+
+	c_mru_l_rc = FALSE;
+	list_complete = FALSE;
+	have_now = FALSE;
+	cap_frags = TRUE;
+	got = 0;
+	ri = 0;
+	cb = sizeof(*mon);
+	mon = emalloc_zero(cb);
+	ZERO(*pnow);
+	ZERO(last_older);
+	mrulist_interrupted = FALSE;
+	set_ctrl_c_hook(&mrulist_ctrl_c_hook);
+	fprintf(stderr,
+		"Ctrl-C will stop MRU retrieval and display partial results.\n");
+	fflush(stderr);
+	next_report = time(NULL) + MRU_REPORT_SECS;
+
+	limit = min(3 * MAXFRAGS, ntpd_row_limit);
+	frags = MAXFRAGS;
+	snprintf(req_buf, sizeof(req_buf), "nonce=%s, frags=%d%s",
+		 nonce, frags, parms);
+	nonce_uses++;
+
+	while (TRUE) {
+		if (debug)
+			fprintf(stderr, "READ_MRU parms: %s\n", req_buf);
+
+		qres = doqueryex(CTL_OP_READ_MRU, 0, 0, strlen(req_buf),
+			         req_buf, &rstatus, &rsize, &rdata, TRUE);
+
+		if (CERR_UNKNOWNVAR == qres && ri > 0) {
+			/*
+			 * None of the supplied prior entries match, so
+			 * toss them from our list and try again.
+			 */
+			if (debug)
+				fprintf(stderr,
+					"no overlap between %d prior entries and server MRU list\n",
+					ri);
+			while (ri--) {
+				recent = HEAD_DLIST(mru_list, mlink);
+				NTP_INSIST(recent != NULL);
+				if (debug)
+					fprintf(stderr,
+						"tossing prior entry %s to resync\n",
+						sptoa(&recent->addr));
+				UNLINK_DLIST(recent, mlink);
+				hash = NTP_HASH_ADDR(&recent->addr);
+				UNLINK_SLIST(unlinked, hash_table[hash],
+					     recent, hlink, mru);
+				NTP_INSIST(unlinked == recent);
+				free(recent);
+				mru_count--;
+			}
+			if (NULL == HEAD_DLIST(mru_list, mlink)) {
+				restarted_count++;
+				if (restarted_count > 8) {
+					fprintf(stderr,
+						"Giving up after 8 restarts from the beginning.\n"
+						"With high-traffic NTP servers, this can occur if the\n"
+						"MRU list is limited to less than about 16 seconds' of\n"
+						"entries.  See the 'mru' ntp.conf directive to adjust.\n");
+					goto cleanup_return;
+				}
+				if (debug)
+					fprintf(stderr,
+						"--->   Restarting from the beginning, retry #%u\n", 
+						restarted_count);
+			}
+		} else if (CERR_UNKNOWNVAR == qres) {
+			fprintf(stderr,
+				"CERR_UNKNOWNVAR from ntpd but no priors given.\n");
+			goto cleanup_return;
+		} else if (CERR_BADVALUE == qres) {
+			if (cap_frags) {
+				cap_frags = FALSE;
+				if (debug)
+					fprintf(stderr,
+						"Reverted to row limit from fragments limit.\n");
+			} else {
+				/* ntpd has lower cap on row limit */
+				ntpd_row_limit--;
+				limit = min(limit, ntpd_row_limit);
+				if (debug)
+					fprintf(stderr,
+						"Row limit reduced to %d following CERR_BADVALUE.\n",
+						limit);
+			}
+		} else if (ERR_INCOMPLETE == qres ||
+			   ERR_TIMEOUT == qres) {
+			/*
+			 * Reduce the number of rows/frags requested by
+			 * half to recover from lost response fragments.
+			 */
+			if (cap_frags) {
+				frags = max(2, frags / 2);
+				if (debug)
+					fprintf(stderr,
+						"Frag limit reduced to %d following incomplete response.\n",
+						frags);
+			} else {
+				limit = max(2, limit / 2);
+				if (debug)
+					fprintf(stderr,
+						"Row limit reduced to %d following incomplete response.\n",
+						limit);
+			}
+		} else if (qres) {
+			show_error_msg(qres, 0);
+			goto cleanup_return;
+		}
+		/*
+		 * This is a cheap cop-out implementation of rawmode
+		 * output for mrulist.  A better approach would be to
+		 * dump similar output after the list is collected by
+		 * ntpq with a continuous sequence of indexes.  This
+		 * cheap approach has indexes resetting to zero for
+		 * each query/response, and duplicates are not 
+		 * coalesced.
+		 */
+		if (!qres && rawmode)
+			printvars(rsize, rdata, rstatus, TYPE_SYS, 1, stdout);
+		ci = 0;
+		have_addr_older = FALSE;
+		have_last_older = FALSE;
+		while (!qres && nextvar(&rsize, &rdata, &tag, &val)) {
+			if (debug > 1)
+				fprintf(stderr, "nextvar gave: %s = %s\n",
+					tag, val);
+			switch(tag[0]) {
+
+			case 'a':
+				if (!strcmp(tag, "addr.older")) {
+					if (!have_last_older) {
+						fprintf(stderr,
+							"addr.older %s before last.older\n",
+							val);
+						goto cleanup_return;
+					}
+					if (!decodenetnum(val, &addr_older)) {
+						fprintf(stderr,
+							"addr.older %s garbled\n",
+							val);
+						goto cleanup_return;
+					}
+					hash = NTP_HASH_ADDR(&addr_older);
+					for (recent = hash_table[hash];
+					     recent != NULL;
+					     recent = recent->hlink)
+						if (ADDR_PORT_EQ(
+						      &addr_older,
+						      &recent->addr))
+							break;
+					if (NULL == recent) {
+						fprintf(stderr,
+							"addr.older %s not in hash table\n",
+							val);
+						goto cleanup_return;
+					}
+					if (!L_ISEQU(&last_older,
+						     &recent->last)) {
+						fprintf(stderr,
+							"last.older %08x.%08x mismatches %08x.%08x expected.\n",
+							last_older.l_ui,
+							last_older.l_uf,
+							recent->last.l_ui,
+							recent->last.l_uf);
+						goto cleanup_return;
+					}
+					have_addr_older = TRUE;
+				} else if (1 != sscanf(tag, "addr.%d", &si)
+					   || si != ci)
+					goto nomatch;
+				else if (decodenetnum(val, &mon->addr))
+					MGOT(MRU_GOT_ADDR);
+				break;
+
+			case 'l':
+				if (!strcmp(tag, "last.older")) {
+					if ('0' != val[0] ||
+					    'x' != val[1] ||
+					    !hextolfp(val + 2, &last_older)) {
+						fprintf(stderr,
+							"last.older %s garbled\n",
+							val);
+						goto cleanup_return;
+					}
+					have_last_older = TRUE;
+				} else if (!strcmp(tag, "last.newest")) {
+					if (0 != got) {
+						fprintf(stderr,
+							"last.newest %s before complete row, got = 0x%x\n",
+							val, (u_int)got);
+						goto cleanup_return;
+					}
+					if (!have_now) {
+						fprintf(stderr,
+							"last.newest %s before now=\n",
+							val);
+						goto cleanup_return;
+					}
+					head = HEAD_DLIST(mru_list, mlink);
+					if (NULL != head) {
+						if ('0' != val[0] ||
+						    'x' != val[1] ||
+						    !hextolfp(val + 2, &newest) ||
+						    !L_ISEQU(&newest,
+							     &head->last)) {
+							fprintf(stderr,
+								"last.newest %s mismatches %08x.%08x",
+								val,
+								head->last.l_ui,
+								head->last.l_uf);
+							goto cleanup_return;
+						}
+					}
+					list_complete = TRUE;
+				} else if (1 != sscanf(tag, "last.%d", &si) ||
+					   si != ci || '0' != val[0] ||
+					   'x' != val[1] ||
+					   !hextolfp(val + 2, &mon->last)) {
+					goto nomatch;
+				} else {
+					MGOT(MRU_GOT_LAST);
+					/*
+					 * allow interrupted retrieval,
+					 * using most recent retrieved
+					 * entry's last seen timestamp
+					 * as the end of operation.
+					 */
+					*pnow = mon->last;
+				}
+				break;
+
+			case 'f':
+				if (1 != sscanf(tag, "first.%d", &si) ||
+				    si != ci || '0' != val[0] ||
+				    'x' != val[1] ||
+				    !hextolfp(val + 2, &mon->first))
+					goto nomatch;
+				MGOT(MRU_GOT_FIRST);
+				break;
+
+			case 'n':
+				if (!strcmp(tag, "nonce")) {
+					strlcpy(nonce, val, sizeof(nonce));
+					nonce_uses = 0;
+					break; /* case */
+				} else if (strcmp(tag, "now") ||
+					   '0' != val[0] ||
+					   'x' != val[1] ||
+					    !hextolfp(val + 2, pnow))
+					goto nomatch;
+				have_now = TRUE;
+				break;
+
+			case 'c':
+				if (1 != sscanf(tag, "ct.%d", &si) ||
+				    si != ci ||
+				    1 != sscanf(val, "%d", &mon->count)
+				    || mon->count < 1)
+					goto nomatch;
+				MGOT(MRU_GOT_COUNT);
+				break;
+
+			case 'm':
+				if (1 != sscanf(tag, "mv.%d", &si) ||
+				    si != ci ||
+				    1 != sscanf(val, "%d", &mv))
+					goto nomatch;
+				mon->mode = PKT_MODE(mv);
+				mon->ver = PKT_VERSION(mv);
+				MGOT(MRU_GOT_MV);
+				break;
+
+			case 'r':
+				if (1 != sscanf(tag, "rs.%d", &si) ||
+				    si != ci ||
+				    1 != sscanf(val, "0x%hx", &mon->rs))
+					goto nomatch;
+				MGOT(MRU_GOT_RS);
+				break;
+
+			default:
+			nomatch:	
+				/* empty stmt */ ;
+				/* ignore unknown tags */
+			}
+		}
+		if (have_now)
+			list_complete = TRUE;
+		if (list_complete) {
+			NTP_INSIST(0 == ri || have_addr_older);
+		}
+		if (mrulist_interrupted) {
+			printf("mrulist retrieval interrupted by operator.\n"
+			       "Displaying partial client list.\n");
+			fflush(stdout);
+		}
+		if (list_complete || mrulist_interrupted) {
+			fprintf(stderr,
+				"\rRetrieved %u unique MRU entries and %u updates.\n",
+				mru_count, mru_dupes);
+			fflush(stderr);
+			break;
+		}
+		if (time(NULL) >= next_report) {
+			next_report += MRU_REPORT_SECS;
+			fprintf(stderr, "\r%u (%u updates) ", mru_count,
+				mru_dupes);
+			fflush(stderr);
+		}
+
+		/*
+		 * Snooze for a bit between queries to let ntpd catch
+		 * up with other duties.
+		 */
+#ifdef SYS_WINNT
+		Sleep(sleep_msecs);
+#elif !defined(HAVE_NANOSLEEP)
+		sleep((sleep_msecs / 1000) + 1);
+#else
+		{
+			struct timespec interv = { 0,
+						   1000 * sleep_msecs };
+			nanosleep(&interv, NULL);
+		}
+#endif
+		/*
+		 * If there were no errors, increase the number of rows
+		 * to a maximum of 3 * MAXFRAGS (the most packets ntpq
+		 * can handle in one response), on the assumption that
+		 * no less than 3 rows fit in each packet, capped at 
+		 * our best guess at the server's row limit.
+		 */
+		if (!qres) {
+			if (cap_frags) {
+				frags = min(MAXFRAGS, frags + 1);
+			} else {
+				limit = min3(3 * MAXFRAGS,
+					     ntpd_row_limit,
+					     max(limit + 1,
+					         limit * 33 / 32));
+			}
+		}
+		/*
+		 * prepare next query with as many address and last-seen
+		 * timestamps as will fit in a single packet.
+		 */
+		req = req_buf;
+		req_end = req_buf + sizeof(req_buf);
+#define REQ_ROOM	(req_end - req)
+		snprintf(req, REQ_ROOM, "nonce=%s, %s=%d%s", nonce,
+			 (cap_frags)
+			     ? "frags"
+			     : "limit",
+			 (cap_frags)
+			     ? frags
+			     : limit,
+			 parms);
+		req += strlen(req);
+		nonce_uses++;
+		if (nonce_uses >= 4) {
+			if (!fetch_nonce(nonce, sizeof(nonce)))
+				goto cleanup_return;
+			nonce_uses = 0;
+		}
+
+
+		for (ri = 0, recent = HEAD_DLIST(mru_list, mlink);
+		     recent != NULL;
+		     ri++, recent = NEXT_DLIST(mru_list, recent, mlink)) {
+
+			snprintf(buf, sizeof(buf),
+				 ", addr.%d=%s, last.%d=0x%08x.%08x",
+				 ri, sptoa(&recent->addr), ri,
+				 recent->last.l_ui, recent->last.l_uf);
+			chars = strlen(buf);
+			if (REQ_ROOM - chars < 1)
+				break;
+			memcpy(req, buf, chars + 1);
+			req += chars;
+		}
+	}
+
+	set_ctrl_c_hook(NULL);
+	c_mru_l_rc = TRUE;
+	goto retain_hash_table;
+
+cleanup_return:
+	free(hash_table);
+	hash_table = NULL;
+
+retain_hash_table:
+	if (mon != NULL)
+		free(mon);
+
+	return c_mru_l_rc;
+}
+
+
+/*
+ * qcmp_mru_addr - sort MRU entries by remote address.
+ *
+ * All IPv4 addresses sort before any IPv6, addresses are sorted by
+ * value within address family.
+ */
+static int
+qcmp_mru_addr(
+	const void *v1,
+	const void *v2
+	)
+{
+	const mru * const *	ppm1 = v1;
+	const mru * const *	ppm2 = v2;
+	const mru *		pm1;
+	const mru *		pm2;
+	u_short			af1;
+	u_short			af2;
+	size_t			cmplen;
+	size_t			addr_off;
+
+	pm1 = *ppm1;
+	pm2 = *ppm2;
+
+	af1 = AF(&pm1->addr);
+	af2 = AF(&pm2->addr);
+
+	if (af1 != af2)
+		return (AF_INET == af1)
+			   ? -1
+			   : 1;
+
+	cmplen = SIZEOF_INADDR(af1);
+	addr_off = (AF_INET == af1)
+		      ? offsetof(struct sockaddr_in, sin_addr)
+		      : offsetof(struct sockaddr_in6, sin6_addr);
+
+	return memcmp((const char *)&pm1->addr + addr_off,
+		      (const char *)&pm2->addr + addr_off,
+		      cmplen);
+}
+
+
+static int
+qcmp_mru_r_addr(
+	const void *v1,
+	const void *v2
+	)
+{
+	return -qcmp_mru_addr(v1, v2);
+}
+
+
+/*
+ * qcmp_mru_count - sort MRU entries by times seen (hit count).
+ */
+static int
+qcmp_mru_count(
+	const void *v1,
+	const void *v2
+	)
+{
+	const mru * const *	ppm1 = v1;
+	const mru * const *	ppm2 = v2;
+	const mru *		pm1;
+	const mru *		pm2;
+
+	pm1 = *ppm1;
+	pm2 = *ppm2;
+	
+	return (pm1->count < pm2->count)
+		   ? -1
+		   : ((pm1->count == pm2->count)
+			  ? 0
+			  : 1);
+}
+
+
+static int
+qcmp_mru_r_count(
+	const void *v1,
+	const void *v2
+	)
+{
+	return -qcmp_mru_count(v1, v2);
+}
+
+
+/*
+ * qcmp_mru_avgint - sort MRU entries by average interval.
+ */
+static int
+qcmp_mru_avgint(
+	const void *v1,
+	const void *v2
+	)
+{
+	const mru * const *	ppm1 = v1;
+	const mru * const *	ppm2 = v2;
+	const mru *		pm1;
+	const mru *		pm2;
+	l_fp			interval;
+	double			avg1;
+	double			avg2;
+
+	pm1 = *ppm1;
+	pm2 = *ppm2;
+
+	interval = pm1->last;
+	L_SUB(&interval, &pm1->first);
+	LFPTOD(&interval, avg1);
+	avg1 /= pm1->count;
+
+	interval = pm2->last;
+	L_SUB(&interval, &pm2->first);
+	LFPTOD(&interval, avg2);
+	avg2 /= pm2->count;
+
+	if (avg1 < avg2)
+		return -1;
+	else if (avg1 > avg2)
+		return 1;
+
+	/* secondary sort on lstint - rarely tested */
+	if (L_ISEQU(&pm1->last, &pm2->last))
+		return 0;
+	else if (L_ISGEQ(&pm1->last, &pm2->last))
+		return -1;
+	else
+		return 1;
+}
+
+
+static int
+qcmp_mru_r_avgint(
+	const void *v1,
+	const void *v2
+	)
+{
+	return -qcmp_mru_avgint(v1, v2);
+}
+
+
+/*
+ * mrulist - ntpq's mrulist command to fetch an arbitrarily large Most
+ *	     Recently Used (seen) remote address list from ntpd.
+ *
+ * Similar to ntpdc's monlist command, but not limited to a single
+ * request/response, and thereby not limited to a few hundred remote
+ * addresses.
+ *
+ * See ntpd/ntp_control.c read_mru_list() for comments on the way
+ * CTL_OP_READ_MRU is designed to be used.
+ *
+ * mrulist intentionally differs from monlist in the way the avgint
+ * column is calculated.  monlist includes the time after the last
+ * packet from the client until the monlist query time in the average,
+ * while mrulist excludes it.  That is, monlist's average interval grows
+ * over time for remote addresses not heard from in some time, while it
+ * remains unchanged in mrulist.  This also affects the avgint value for
+ * entries representing a single packet, with identical first and last
+ * timestamps.  mrulist shows 0 avgint, monlist shows a value identical
+ * to lstint.
+ */
+static void 
+mrulist(
+	struct parse *	pcmd,
+	FILE *		fp
+	)
+{
+	const char mincount_eq[] =	"mincount=";
+	const char resall_eq[] =	"resall=";
+	const char resany_eq[] =	"resany=";
+	const char maxlstint_eq[] =	"maxlstint=";
+	const char laddr_eq[] =		"laddr=";
+	const char sort_eq[] =		"sort=";
+	mru_sort_order order;
+	size_t n;
+	char parms_buf[128];
+	char buf[24];
+	char *parms;
+	const char *arg;
+	size_t cb;
+	mru **sorted;
+	mru **ppentry;
+	mru *recent;
+	l_fp now;
+	l_fp interval;
+	double favgint;
+	double flstint;
+	int avgint;
+	int lstint;
+	int i;
+
+	order = MRUSORT_DEF;
+	parms_buf[0] = '\0';
+	parms = parms_buf;
+	for (i = 0; i < pcmd->nargs; i++) {
+		arg = pcmd->argval[i].string;
+		if (arg != NULL) {
+			cb = strlen(arg) + 1;
+			if ((!strncmp(resall_eq, arg, sizeof(resall_eq)
+			    - 1) || !strncmp(resany_eq, arg,
+			    sizeof(resany_eq) - 1) || !strncmp(
+			    mincount_eq, arg, sizeof(mincount_eq) - 1) 
+			    || !strncmp(laddr_eq, arg, sizeof(laddr_eq)
+			    - 1) || !strncmp(maxlstint_eq, arg,
+			    sizeof(laddr_eq) - 1)) && parms + cb + 2 <=
+			    parms_buf + sizeof(parms_buf)) {
+				/* these are passed intact to ntpd */
+				memcpy(parms, ", ", 2);
+				parms += 2;
+				memcpy(parms, arg, cb);
+				parms += cb - 1;
+			} else if (!strncmp(sort_eq, arg,
+					    sizeof(sort_eq) - 1)) {
+				arg += sizeof(sort_eq) - 1;
+				for (n = 0;
+				     n < COUNTOF(mru_sort_keywords);
+				     n++)
+					if (!strcmp(mru_sort_keywords[n],
+						    arg))
+						break;
+				if (n < COUNTOF(mru_sort_keywords))
+					order = n;
+			} else if (!strcmp("limited", arg) ||
+				   !strcmp("kod", arg)) {
+				/* transform to resany=... */
+				snprintf(buf, sizeof(buf),
+					 ", resany=0x%x",
+					 ('k' == arg[0])
+					     ? RES_KOD
+					     : RES_LIMITED);
+				cb = 1 + strlen(buf);
+				if (parms + cb <
+					parms_buf + sizeof(parms_buf)) {
+					memcpy(parms, buf, cb);
+					parms += cb - 1;
+				}
+			} else
+				fprintf(stderr,
+					"ignoring unrecognized mrulist parameter: %s\n",
+					arg);
+		}
+	}
+	parms = parms_buf;
+
+	if (!collect_mru_list(parms, &now))
+		return;
+
+	/* display the results */
+	if (rawmode)
+		goto cleanup_return;
+
+	/* construct an array of entry pointers in default order */
+	sorted = emalloc(mru_count * sizeof(*sorted));
+	ppentry = sorted;
+	if (MRUSORT_R_DEF != order) {
+		ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
+			NTP_INSIST(ppentry < sorted + mru_count);
+			*ppentry = recent;
+			ppentry++;
+		ITER_DLIST_END()
+	} else {
+		REV_ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
+			NTP_INSIST(ppentry < sorted + mru_count);
+			*ppentry = recent;
+			ppentry++;
+		REV_ITER_DLIST_END()
+	}
+
+	if (ppentry - sorted != (int)mru_count) {
+		fprintf(stderr,
+			"mru_count %u should match MRU list depth %ld.\n",
+			mru_count, (long)(ppentry - sorted));
+		free(sorted);
+		goto cleanup_return;
+	}
+
+	/* re-sort sorted[] if not default or reverse default */
+	if (MRUSORT_R_DEF < order)
+		qsort(sorted, mru_count, sizeof(sorted[0]),
+		      mru_qcmp_table[order]);
+
+	printf(	"lstint avgint rstr r m v  count rport remote address\n"
+		"==============================================================================\n");
+		/* '=' x 78 */
+	for (ppentry = sorted; ppentry < sorted + mru_count; ppentry++) {
+		recent = *ppentry;
+		interval = now;
+		L_SUB(&interval, &recent->last);
+		LFPTOD(&interval, flstint);
+		lstint = (int)(flstint + 0.5);
+		interval = recent->last;
+		L_SUB(&interval, &recent->first);
+		LFPTOD(&interval, favgint);
+		favgint /= recent->count;
+		avgint = (int)(favgint + 0.5);
+		fprintf(fp, "%6d %6d %4hx %c %d %d %6d %5hu %s\n",
+			lstint, avgint, recent->rs,
+			(RES_KOD & recent->rs)
+			    ? 'K'
+			    : (RES_LIMITED & recent->rs)
+				  ? 'L'
+				  : '.',
+			(int)recent->mode, (int)recent->ver,
+			recent->count, SRCPORT(&recent->addr),
+			nntohost(&recent->addr));
+		if (showhostnames)
+			fflush(fp);
+	}
+	fflush(fp);
+	if (debug) {
+		fprintf(stderr,
+			"--- completed, freeing sorted[] pointers\n");
+		fflush(stderr);
+	}
+	free(sorted);
+
+cleanup_return:
+	if (debug) {
+		fprintf(stderr, "... freeing MRU entries\n");
+		fflush(stderr);
+	}
+	ITER_DLIST_BEGIN(mru_list, recent, mlink, mru)
+		free(recent);
+	ITER_DLIST_END()
+	if (debug) {
+		fprintf(stderr, "... freeing hash_table[]\n");
+		fflush(stderr);
+	}
+	free(hash_table);
+	hash_table = NULL;
+	INIT_DLIST(mru_list, mlink);
+}
+
+
+/*
+ * validate_ifnum - helper for ifstats()
+ *
+ * Ensures rows are received in order and complete.
+ */
+static void
+validate_ifnum(
+	FILE *		fp,
+	u_int		ifnum,
+	int *		pfields,
+	ifstats_row *	prow
+	)
+{
+	if (prow->ifnum == ifnum)
+		return;
+	if (prow->ifnum + 1 == ifnum) {
+		if (*pfields < IFSTATS_FIELDS)
+			fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
+				*pfields, IFSTATS_FIELDS);
+		*pfields = 0;
+		prow->ifnum = ifnum;
+		return;
+	}
+	fprintf(stderr,
+		"received if index %u, have %d of %d fields for index %u, aborting.\n",
+		ifnum, *pfields, IFSTATS_FIELDS, prow->ifnum);
+	exit(1);
+}
+
+
+/*
+ * another_ifstats_field - helper for ifstats()
+ *
+ * If all fields for the row have been received, print it.
+ */
+static void
+another_ifstats_field(
+	int *		pfields,
+	ifstats_row *	prow,
+	FILE *		fp
+	)
+{
+	u_int ifnum;
+
+	(*pfields)++;
+	/* we understand 12 tags */
+	if (IFSTATS_FIELDS > *pfields)	
+		return;
+	/*
+	"    interface name                                        send\n"
+	" #  address/broadcast     drop flag ttl mc received sent failed peers   uptime\n"
+	"==============================================================================\n");
+	 */
+	fprintf(fp,
+		"%3u %-24.24s %c %4x %3d %2d %6d %6d %6d %5d %8d\n"
+		"    %s\n",
+		prow->ifnum, prow->name,
+		(prow->enabled)
+		    ? '.'
+		    : 'D',
+		prow->flags, prow->ttl, prow->mcast_count,
+		prow->received, prow->sent, prow->send_errors,
+		prow->peer_count, prow->uptime, sptoa(&prow->addr));
+	if (!SOCK_UNSPEC(&prow->bcast))
+		fprintf(fp, "    %s\n", sptoa(&prow->bcast));
+	ifnum = prow->ifnum;
+	ZERO(*prow);
+	prow->ifnum = ifnum;
+}
+
+
+/*
+ * ifstats - ntpq -c ifstats modeled on ntpdc -c ifstats.
+ */
+static void 
+ifstats(
+	struct parse *	pcmd,
+	FILE *		fp
+	)
+{
+	const char	addr_fmt[] =	"addr.%u";
+	const char	bcast_fmt[] =	"bcast.%u";
+	const char	en_fmt[] =	"en.%u";	/* enabled */
+	const char	flags_fmt[] =	"flags.%u";
+	const char	mc_fmt[] =	"mc.%u";	/* mcast count */
+	const char	name_fmt[] =	"name.%u";
+	const char	pc_fmt[] =	"pc.%u";	/* peer count */
+	const char	rx_fmt[] =	"rx.%u";
+	const char	tl_fmt[] =	"tl.%u";	/* ttl */
+	const char	tx_fmt[] =	"tx.%u";
+	const char	txerr_fmt[] =	"txerr.%u";
+	const char	up_fmt[] =	"up.%u";	/* uptime */
+	const char *	datap;
+	int		qres;
+	int		dsize;
+	u_short		rstatus;
+	char *		tag;
+	char *		val;
+	int		fields;
+	u_int		ifnum;
+	u_int		ui;
+	ifstats_row	row;
+	int		comprende;
+	size_t		len;
+
+	qres = doquery(CTL_OP_READ_ORDLIST_A, 0, TRUE, 0, NULL, &rstatus,
+		       &dsize, &datap);
+	if (qres)	/* message already displayed */
+		return;
+
+	fprintf(fp,
+		"    interface name                                        send\n"
+		" #  address/broadcast     drop flag ttl mc received sent failed peers   uptime\n"
+		"==============================================================================\n");
+		/* '=' x 78 */
+
+	ZERO(row);
+	fields = 0;
+	ifnum = 0;
+	ui = 0;
+	while (nextvar(&dsize, &datap, &tag, &val)) {
+		if (debug > 1)
+			fprintf(stderr, "nextvar gave: %s = %s\n", tag,
+				(NULL == val)
+				    ? ""
+				    : val);
+		comprende = FALSE;
+		switch(tag[0]) {
+
+		case 'a':
+			if (1 == sscanf(tag, addr_fmt, &ui) &&
+			    decodenetnum(val, &row.addr))
+				comprende = TRUE;
+			break;
+
+		case 'b':
+			if (1 == sscanf(tag, bcast_fmt, &ui) &&
+			    (NULL == val ||
+			     decodenetnum(val, &row.bcast)))
+				comprende = TRUE;
+			break;
+
+		case 'e':
+			if (1 == sscanf(tag, en_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.enabled))
+				comprende = TRUE;
+			break;
+
+		case 'f':
+			if (1 == sscanf(tag, flags_fmt, &ui) &&
+			    1 == sscanf(val, "0x%x", &row.flags))
+				comprende = TRUE;
+			break;
+
+		case 'm':
+			if (1 == sscanf(tag, mc_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.mcast_count))
+				comprende = TRUE;
+			break;
+
+		case 'n':
+			if (1 == sscanf(tag, name_fmt, &ui)) {
+				/* strip quotes */
+				len = strlen(val);
+				if (len >= 2 &&
+				    len - 2 < sizeof(row.name)) {
+					len -= 2;
+					memcpy(row.name, val + 1, len);
+					row.name[len] = '\0';
+					comprende = TRUE;
+				}
+			}
+			break;
+
+		case 'p':
+			if (1 == sscanf(tag, pc_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.peer_count))
+				comprende = TRUE;
+			break;
+
+		case 'r':
+			if (1 == sscanf(tag, rx_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.received))
+				comprende = TRUE;
+			break;
+
+		case 't':
+			if (1 == sscanf(tag, tl_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.ttl))
+				comprende = TRUE;
+			else if (1 == sscanf(tag, tx_fmt, &ui) &&
+				 1 == sscanf(val, "%d", &row.sent))
+				comprende = TRUE;
+			else if (1 == sscanf(tag, txerr_fmt, &ui) &&
+				 1 == sscanf(val, "%d", &row.send_errors))
+				comprende = TRUE;
+			break;
+
+		case 'u':
+			if (1 == sscanf(tag, up_fmt, &ui) &&
+			    1 == sscanf(val, "%d", &row.uptime))
+				comprende = TRUE;
+			break;
+		}
+
+		if (comprende) {
+			/* error out if rows out of order */
+			validate_ifnum(fp, ui, &fields, &row);
+			/* if the row is complete, print it */
+			another_ifstats_field(&fields, &row, fp);
+		}
+	}
+	if (fields != IFSTATS_FIELDS)
+		fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
+			fields, IFSTATS_FIELDS);
+
+	fflush(fp);
+}
+
+
+/*
+ * validate_reslist_idx - helper for reslist()
+ *
+ * Ensures rows are received in order and complete.
+ */
+static void
+validate_reslist_idx(
+	FILE *		fp,
+	u_int		idx,
+	int *		pfields,
+	reslist_row *	prow
+	)
+{
+	if (prow->idx == idx)
+		return;
+	if (prow->idx + 1 == idx) {
+		if (*pfields < RESLIST_FIELDS)
+			fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
+				*pfields, RESLIST_FIELDS);
+		*pfields = 0;
+		prow->idx = idx;
+		return;
+	}
+	fprintf(stderr,
+		"received reslist index %u, have %d of %d fields for index %u, aborting.\n",
+		idx, *pfields, RESLIST_FIELDS, prow->idx);
+	exit(1);
+}
+
+
+/*
+ * another_reslist_field - helper for reslist()
+ *
+ * If all fields for the row have been received, print it.
+ */
+static void
+another_reslist_field(
+	int *		pfields,
+	reslist_row *	prow,
+	FILE *		fp
+	)
+{
+	char	addrmaskstr[128];
+	int	prefix;	/* subnet mask as prefix bits count */
+	u_int	idx;
+
+	(*pfields)++;
+	/* we understand 4 tags */
+	if (RESLIST_FIELDS > *pfields)
+		return;
+
+	prefix = sockaddr_masktoprefixlen(&prow->mask);
+	if (prefix >= 0)
+		snprintf(addrmaskstr, sizeof(addrmaskstr), "%s/%d",
+			 stoa(&prow->addr), prefix);
+	else
+		snprintf(addrmaskstr, sizeof(addrmaskstr), "%s %s",
+			 stoa(&prow->addr), stoa(&prow->mask));
+
+	/*
+	"   hits    addr/prefix or addr mask\n"
+	"           restrictions\n"
+	"==============================================================================\n");
+	 */
+	fprintf(fp,
+		"%10lu %s\n"
+		"           %s\n",
+		prow->hits, addrmaskstr, prow->flagstr);
+	idx = prow->idx;
+	ZERO(*prow);
+	prow->idx = idx;
+}
+
+
+/*
+ * reslist - ntpq -c reslist modeled on ntpdc -c reslist.
+ */
+static void 
+reslist(
+	struct parse *	pcmd,
+	FILE *		fp
+	)
+{
+	const char addr_fmtu[] =	"addr.%u";
+	const char mask_fmtu[] =	"mask.%u";
+	const char hits_fmt[] =		"hits.%u";
+	const char flags_fmt[] =	"flags.%u";
+	const char qdata[] =		"addr_restrictions";
+	const int qdata_chars =		COUNTOF(qdata) - 1;
+	const char *	datap;
+	int		qres;
+	int		dsize;
+	u_short		rstatus;
+	char *		tag;
+	char *		val;
+	int		fields;
+	u_int		idx;
+	u_int		ui;
+	reslist_row	row;
+	int		comprende;
+	size_t		len;
+
+	qres = doquery(CTL_OP_READ_ORDLIST_A, 0, TRUE, qdata_chars,
+		       qdata, &rstatus, &dsize, &datap);
+	if (qres)	/* message already displayed */
+		return;
+
+	fprintf(fp,
+		"   hits    addr/prefix or addr mask\n"
+		"           restrictions\n"
+		"==============================================================================\n");
+		/* '=' x 78 */
+
+	ZERO(row);
+	fields = 0;
+	idx = 0;
+	ui = 0;
+	while (nextvar(&dsize, &datap, &tag, &val)) {
+		if (debug > 1)
+			fprintf(stderr, "nextvar gave: %s = %s\n", tag,
+				(NULL == val)
+				    ? ""
+				    : val);
+		comprende = FALSE;
+		switch(tag[0]) {
+
+		case 'a':
+			if (1 == sscanf(tag, addr_fmtu, &ui) &&
+			    decodenetnum(val, &row.addr))
+				comprende = TRUE;
+			break;
+
+		case 'f':
+			if (1 == sscanf(tag, flags_fmt, &ui)) {
+				if (NULL == val) {
+					row.flagstr[0] = '\0';
+					comprende = TRUE;
+				} else {
+					len = strlen(val);
+					memcpy(row.flagstr, val, len);
+					row.flagstr[len] = '\0';
+					comprende = TRUE;
+				}
+			}
+			break;
+
+		case 'h':
+			if (1 == sscanf(tag, hits_fmt, &ui) &&
+			    1 == sscanf(val, "%lu", &row.hits))
+				comprende = TRUE;
+			break;
+
+		case 'm':
+			if (1 == sscanf(tag, mask_fmtu, &ui) &&
+			    decodenetnum(val, &row.mask))
+				comprende = TRUE;
+			break;
+		}
+
+		if (comprende) {
+			/* error out if rows out of order */
+			validate_reslist_idx(fp, ui, &fields, &row);
+			/* if the row is complete, print it */
+			another_reslist_field(&fields, &row, fp);
+		}
+	}
+	if (fields != RESLIST_FIELDS)
+		fprintf(fp, "Warning: incomplete row with %d (of %d) fields",
+			fields, RESLIST_FIELDS);
+
+	fflush(fp);
+}
+
+
+/*
+ * collect_display_vdc
+ */
+static void 
+collect_display_vdc(
+	associd_t	as,
+	vdc *		table,
+	int		decodestatus,
+	FILE *		fp
+	)
+{
+	static const char * const suf[2] = { "adr", "port" };
+	static const char * const leapbits[4] = { "00", "01",
+						  "10", "11" };
+	struct varlist vl[MAXLIST];
+	char tagbuf[32];
+	vdc *pvdc;
+	u_short rstatus;
+	int rsize;
+	const char *rdata;
+	int qres;
+	char *tag;
+	char *val;
+	u_int n;
+	size_t len;
+	int match;
+	u_long ul;
+	int vtype;
+
+	ZERO(vl);
+	for (pvdc = table; pvdc->tag != NULL; pvdc++) {
+		ZERO(pvdc->v);
+		if (NTP_ADD != pvdc->type) {
+			doaddvlist(vl, pvdc->tag);
+		} else {
+			for (n = 0; n < COUNTOF(suf); n++) {
+				snprintf(tagbuf, sizeof(tagbuf), "%s%s",
+					 pvdc->tag, suf[n]);
+				doaddvlist(vl, tagbuf);
+			}
+		}
+	}
+	qres = doquerylist(vl, CTL_OP_READVAR, as, 0, &rstatus, &rsize,
+			   &rdata);
+	doclearvlist(vl);
+	if (qres)
+		return;		/* error msg already displayed */
+
+	/*
+	 * iterate over the response variables filling vdc_table with
+	 * the retrieved values.
+	 */
+	while (nextvar(&rsize, &rdata, &tag, &val)) {
+		if (NULL == val)
+			continue;
+		n = 0;
+		for (pvdc = table; pvdc->tag != NULL; pvdc++) {
+			len = strlen(pvdc->tag);
+			if (strncmp(tag, pvdc->tag, len))
+				continue;
+			if (NTP_ADD != pvdc->type) {
+				if ('\0' != tag[len])
+					continue;
+				break;
+			}
+			match = FALSE;
+			for (n = 0; n < COUNTOF(suf); n++) {
+				if (strcmp(tag + len, suf[n]))
+					continue;
+				match = TRUE;
+				break;
+			}
+			if (match)
+				break;
+		}
+		if (NULL == pvdc->tag)
+			continue;
+		switch (pvdc->type) {
+
+		case NTP_STR:
+			/* strip surrounding double quotes */
+			if ('"' == val[0]) {
+				len = strlen(val);
+				if (len > 0 && '"' == val[len - 1]) {
+					val[len - 1] = '\0';
+					val++;
+				}
+			}
+			/* fallthru */
+		case NTP_MODE:	/* fallthru */
+		case NTP_2BIT:
+			pvdc->v.str = estrdup(val);
+			break;
+
+		case NTP_LFP:
+			decodets(val, &pvdc->v.lfp);
+			break;
+
+		case NTP_ADP:
+			if (!decodenetnum(val, &pvdc->v.sau))
+				fprintf(stderr, "malformed %s=%s\n",
+					pvdc->tag, val);
+			break;
+
+		case NTP_ADD:
+			if (0 == n) {	/* adr */
+				if (!decodenetnum(val, &pvdc->v.sau))
+					fprintf(stderr,
+						"malformed %s=%s\n",
+						pvdc->tag, val);
+			} else {	/* port */
+				if (atouint(val, &ul))
+					SET_PORT(&pvdc->v.sau, 
+						 (u_short)ul);
+			}
+			break;
+		}
+	}
+
+	/* and display */
+	if (decodestatus) {
+		vtype = (0 == as)
+			    ? TYPE_SYS
+			    : TYPE_PEER;
+		fprintf(fp, "associd=%u status=%04x %s,\n", as, rstatus,
+			statustoa(vtype, rstatus));
+	}
+
+	for (pvdc = table; pvdc->tag != NULL; pvdc++) {
+		switch (pvdc->type) {
+
+		case NTP_STR:
+			if (pvdc->v.str != NULL) {
+				fprintf(fp, "%s  %s\n", pvdc->display,
+					pvdc->v.str);
+				free(pvdc->v.str);
+				pvdc->v.str = NULL;
+			}
+			break;
+
+		case NTP_ADD:	/* fallthru */
+		case NTP_ADP:
+			fprintf(fp, "%s  %s\n", pvdc->display,
+				nntohostp(&pvdc->v.sau));
+			break;
+
+		case NTP_LFP:
+			fprintf(fp, "%s  %s\n", pvdc->display,
+				prettydate(&pvdc->v.lfp));
+			break;
+
+		case NTP_MODE:
+			atouint(pvdc->v.str, &ul);
+			fprintf(fp, "%s  %s\n", pvdc->display,
+				modetoa((int)ul));
+			break;
+
+		case NTP_2BIT:
+			atouint(pvdc->v.str, &ul);
+			fprintf(fp, "%s  %s\n", pvdc->display,
+				leapbits[ul & 0x3]);
+			break;
+
+		default:
+			fprintf(stderr, "unexpected vdc type %d for %s\n",
+				pvdc->type, pvdc->tag);
+			break;
+		}
+	}
+}
+
+
+/*
+ * sysstats - implements ntpq -c sysstats modeled on ntpdc -c sysstats
+ */
+static void
+sysstats(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc sysstats_vdc[] = {
+	{ "ss_uptime",		"uptime:               ", NTP_STR },
+	{ "ss_reset",		"sysstats reset:       ", NTP_STR },
+	{ "ss_received",	"packets received:     ", NTP_STR },
+	{ "ss_thisver",		"current version:      ", NTP_STR },
+	{ "ss_oldver",		"older version:        ", NTP_STR },
+	{ "ss_badformat",	"bad length or format: ", NTP_STR },
+	{ "ss_badauth",		"authentication failed:", NTP_STR },
+	{ "ss_declined",	"declined:             ", NTP_STR },
+	{ "ss_restricted",	"restricted:           ", NTP_STR },
+	{ "ss_limited",		"rate limited:         ", NTP_STR },
+	{ "ss_kodsent",		"KoD responses:        ", NTP_STR },
+	{ "ss_processed",	"processed for time:   ", NTP_STR },
+	{ NULL,			NULL,			  0	  }
+    };
+
+	collect_display_vdc(0, sysstats_vdc, FALSE, fp);
+}
+
+
+/*
+ * sysinfo - modeled on ntpdc's sysinfo
+ */
+static void
+sysinfo(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc sysinfo_vdc[] = {
+	{ "peeradr",		"system peer:      ", NTP_ADP },
+	{ "peermode",		"system peer mode: ", NTP_MODE },
+	{ "leap",		"leap indicator:   ", NTP_2BIT },
+	{ "stratum",		"stratum:          ", NTP_STR },
+	{ "precision",		"log2 precision:   ", NTP_STR },
+	{ "rootdelay",		"root delay:       ", NTP_STR },
+	{ "rootdisp",		"root dispersion:  ", NTP_STR },
+	{ "refid",		"reference ID:     ", NTP_STR },
+	{ "reftime",		"reference time:   ", NTP_LFP },
+	{ "sys_jitter",		"system jitter:    ", NTP_STR },
+	{ "clk_jitter",		"clock jitter:     ", NTP_STR },
+	{ "clk_wander",		"clock wander:     ", NTP_STR },
+	{ "bcastdelay",		"broadcast delay:  ", NTP_STR },
+	{ "authdelay",		"symm. auth. delay:", NTP_STR },
+	{ NULL,			NULL,		      0	      }
+    };
+
+	collect_display_vdc(0, sysinfo_vdc, TRUE, fp);
+}
+
+
+/*
+ * kerninfo - modeled on ntpdc's kerninfo
+ */
+static void
+kerninfo(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc kerninfo_vdc[] = {
+	{ "koffset",		"pll offset:          ", NTP_STR },
+	{ "kfreq",		"pll frequency:       ", NTP_STR },
+	{ "kmaxerr",		"maximum error:       ", NTP_STR },
+	{ "kesterr",		"estimated error:     ", NTP_STR },
+	{ "kstflags",		"kernel status:       ", NTP_STR },
+	{ "ktimeconst",		"pll time constant:   ", NTP_STR },
+	{ "kprecis",		"precision:           ", NTP_STR },
+	{ "kfreqtol",		"frequency tolerance: ", NTP_STR },
+	{ "kppsfreq",		"pps frequency:       ", NTP_STR },
+	{ "kppsstab",		"pps stability:       ", NTP_STR },
+	{ "kppsjitter",		"pps jitter:          ", NTP_STR },
+	{ "kppscalibdur",	"calibration interval ", NTP_STR },
+	{ "kppscalibs",		"calibration cycles:  ", NTP_STR },
+	{ "kppsjitexc",		"jitter exceeded:     ", NTP_STR },
+	{ "kppsstbexc",		"stability exceeded:  ", NTP_STR },
+	{ "kppscaliberrs",	"calibration errors:  ", NTP_STR },
+	{ NULL,			NULL,			 0	 }
+    };
+
+	collect_display_vdc(0, kerninfo_vdc, TRUE, fp);
+}
+
+
+/*
+ * monstats - implements ntpq -c monstats
+ */
+static void
+monstats(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc monstats_vdc[] = {
+	{ "mru_enabled",	"enabled:            ", NTP_STR },
+	{ "mru_depth",		"addresses:          ", NTP_STR },
+	{ "mru_deepest",	"peak addresses:     ", NTP_STR },
+	{ "mru_maxdepth",	"maximum addresses:  ", NTP_STR },
+	{ "mru_mindepth",	"reclaim above count:", NTP_STR },
+	{ "mru_maxage",		"reclaim older than: ", NTP_STR },
+	{ "mru_mem",		"kilobytes:          ", NTP_STR },
+	{ "mru_maxmem",		"maximum kilobytes:  ", NTP_STR },
+	{ NULL,			NULL,			0	}
+    };
+
+	collect_display_vdc(0, monstats_vdc, FALSE, fp);
+}
+
+
+/*
+ * iostats - ntpq -c iostats - network input and output counters
+ */
+static void
+iostats(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc iostats_vdc[] = {
+	{ "iostats_reset",	"time since reset:     ", NTP_STR },
+	{ "total_rbuf",		"receive buffers:      ", NTP_STR },
+	{ "free_rbuf",		"free receive buffers: ", NTP_STR },
+	{ "used_rbuf",		"used receive buffers: ", NTP_STR },
+	{ "rbuf_lowater",	"low water refills:    ", NTP_STR },
+	{ "io_dropped",		"dropped packets:      ", NTP_STR },
+	{ "io_ignored",		"ignored packets:      ", NTP_STR },
+	{ "io_received",	"received packets:     ", NTP_STR },
+	{ "io_sent",		"packets sent:         ", NTP_STR },
+	{ "io_sendfailed",	"packet send failures: ", NTP_STR },
+	{ "io_wakeups",		"input wakeups:        ", NTP_STR },
+	{ "io_goodwakeups",	"useful input wakeups: ", NTP_STR },
+	{ NULL,			NULL,			  0	  }
+    };
+
+	collect_display_vdc(0, iostats_vdc, FALSE, fp);
+}
+
+
+/*
+ * timerstats - ntpq -c timerstats - interval timer counters
+ */
+static void
+timerstats(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc timerstats_vdc[] = {
+	{ "timerstats_reset",	"time since reset:  ", NTP_STR },
+	{ "timer_overruns",	"timer overruns:    ", NTP_STR },
+	{ "timer_xmts",		"calls to transmit: ", NTP_STR },
+	{ NULL,			NULL,		       0       }
+    };
+
+	collect_display_vdc(0, timerstats_vdc, FALSE, fp);
+}
+
+
+/*
+ * authinfo - implements ntpq -c authinfo
+ */
+static void
+authinfo(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc authinfo_vdc[] = {
+	{ "authreset",		"time since reset:", NTP_STR },
+	{ "authkeys",		"stored keys:     ", NTP_STR },
+	{ "authfreek",		"free keys:       ", NTP_STR },
+	{ "authklookups",	"key lookups:     ", NTP_STR },
+	{ "authknotfound",	"keys not found:  ", NTP_STR },
+	{ "authkuncached",	"uncached keys:   ", NTP_STR },
+	{ "authkexpired",	"expired keys:    ", NTP_STR },
+	{ "authencrypts",	"encryptions:     ", NTP_STR },
+	{ "authdecrypts",	"decryptions:     ", NTP_STR },
+	{ NULL,			NULL,		     0	     }
+    };
+
+	collect_display_vdc(0, authinfo_vdc, FALSE, fp);
+}
+
+
+/*
+ * pstats - show statistics for a peer
+ */
+static void
+pstats(
+	struct parse *pcmd,
+	FILE *fp
+	)
+{
+    static vdc pstats_vdc[] = {
+	{ "src",		"remote host:         ", NTP_ADD },
+	{ "dst",		"local address:       ", NTP_ADD },
+	{ "timerec",		"time last received:  ", NTP_STR },
+	{ "timer",		"time until next send:", NTP_STR },
+	{ "timereach",		"reachability change: ", NTP_STR },
+	{ "sent",		"packets sent:        ", NTP_STR },
+	{ "received",		"packets received:    ", NTP_STR },
+	{ "badauth",		"bad authentication:  ", NTP_STR },
+	{ "bogusorg",		"bogus origin:        ", NTP_STR },
+	{ "oldpkt",		"duplicate:           ", NTP_STR },
+	{ "seldisp",		"bad dispersion:      ", NTP_STR },
+	{ "selbroken",		"bad reference time:  ", NTP_STR },
+	{ "candidate",		"candidate order:     ", NTP_STR },
+	{ NULL,			NULL,			 0	 }
+    };
+	associd_t associd;
+
+	associd = checkassocid(pcmd->argval[0].uval);
+	if (0 == associd)
+		return;
+
+	collect_display_vdc(associd, pstats_vdc, TRUE, fp);
+}
+