Пример #1
0
int
ntpq_read_assoc_peervars(
	associd_t associd,
	char *resultbuf,
	int maxsize
	)
{
	const char *datap;
	int res;
	int dsize;
	u_short rstatus;
	l_fp rec;
	l_fp ts;
	char value[NTPQ_BUFLEN];


	res = doquery(CTL_OP_READVAR, associd, 0, 0, NULL, &rstatus,
		      &dsize, &datap);

	if (res != 0)
		return 0;

	get_systime(&ts);

	if (dsize == 0) {
		if (numhosts > 1)
			fprintf(stderr, "server=%s ", currenthost);
		fprintf(stderr,
			"***No information returned for association %d\n",
			associd);
		return 0;
	} else {
		if ( dsize > maxsize ) 
			dsize = maxsize;
		memcpy(resultbuf, datap, dsize);
		resultbuf[dsize] = '\0';
 
		ntpq_getvar(resultbuf, dsize, "rec", value,
			    sizeof(value));

		if (!decodets(value, &rec))
			L_CLR(&rec);

		memcpy(resultbuf, value, maxsize);
		resultbuf[dsize] = '\0';
		dsize = strlen(resultbuf);
	}

	return dsize;
}
Пример #2
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 i;
	int c;

	sockaddr_u srcadr;
	sockaddr_u dstadr;
	sockaddr_u refidadr;
	u_long srcport = 0;
	char *dstadr_refid = "0.0.0.0";
	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_char havevar[MAXHAVE];
	u_long poll_sec;
	char type = '?';
	char refid_string[10];
	char whenbuf[8], pollbuf[8];
	char clock_name[LENHOSTNAME];

	memset((char *)havevar, 0, sizeof(havevar));
	get_systime(&ts);
	
	ZERO_SOCK(&srcadr);
	ZERO_SOCK(&dstadr);

	/* Initialize by zeroing out estimate variables */
	memset((char *)&estoffset, 0, sizeof(l_fp));
	memset((char *)&estdelay, 0, sizeof(l_fp));
	memset((char *)&estjitter, 0, sizeof(l_fp));
	memset((char *)&estdisp, 0, sizeof(l_fp));

	while (nextvar(&datalen, &data, &name, &value)) {
		sockaddr_u dum_store;

		i = findvar(name, peer_var, 1);
		if (i == 0)
			continue;	/* don't know this one */
		switch (i) {
			case CP_SRCADR:
			if (decodenetnum(value, &srcadr)) {
				havevar[HAVE_SRCADR] = 1;
			}
			break;
			case CP_DSTADR:
			if (decodenetnum(value, &dum_store)) {
				type = decodeaddrtype(&dum_store);
				havevar[HAVE_DSTADR] = 1;
				dstadr = dum_store;
				if (pvl == opeervarlist) {
					dstadr_refid = trunc_left(stoa(&dstadr), 15);
				}
			}
			break;
			case CP_REFID:
			if (pvl == peervarlist) {
				havevar[HAVE_REFID] = 1;
				if (*value == '\0') {
					dstadr_refid = "";
				} else if (strlen(value) <= 4) {
					refid_string[0] = '.';
					(void) strcpy(&refid_string[1], value);
					i = strlen(refid_string);
					refid_string[i] = '.';
					refid_string[i+1] = '\0';
					dstadr_refid = refid_string;
				} 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 {
					havevar[HAVE_REFID] = 0;
				}
			}
			break;
			case CP_STRATUM:
			if (decodeuint(value, &stratum))
				havevar[HAVE_STRATUM] = 1;
			break;
			case CP_HPOLL:
			if (decodeint(value, &hpoll)) {
				havevar[HAVE_HPOLL] = 1;
				if (hpoll < 0)
					hpoll = NTP_MINPOLL;
			}
			break;
			case CP_PPOLL:
			if (decodeint(value, &ppoll)) {
				havevar[HAVE_PPOLL] = 1;
				if (ppoll < 0)
					ppoll = NTP_MINPOLL;
			}
			break;
			case CP_REACH:
			if (decodeuint(value, &reach))
				havevar[HAVE_REACH] = 1;
			break;
			case CP_DELAY:
			if (decodetime(value, &estdelay))
				havevar[HAVE_DELAY] = 1;
			break;
			case CP_OFFSET:
			if (decodetime(value, &estoffset))
				havevar[HAVE_OFFSET] = 1;
			break;
			case CP_JITTER:
			if (pvl == peervarlist)
				if (decodetime(value, &estjitter))
					havevar[HAVE_JITTER] = 1;
			break;
			case CP_DISPERSION:
			if (decodetime(value, &estdisp))
				havevar[HAVE_DISPERSION] = 1;
			break;
			case CP_REC:
			if (decodets(value, &rec))
				havevar[HAVE_REC] = 1;
			break;
			case CP_SRCPORT:
			if (decodeuint(value, &srcport))
				havevar[HAVE_SRCPORT] = 1;
			break;
			case CP_REFTIME:
			havevar[HAVE_REFTIME] = 1;
			if (!decodets(value, &reftime))
				L_CLR(&reftime);
			break;
			default:
			break;
		}
	}

	/*
	 * Check to see if the srcport is NTP's port.  If not this probably
	 * isn't a valid peer association.
	 */
	if (havevar[HAVE_SRCPORT] && srcport != NTP_PORT)
		return (1);

	/*
	 * Got everything, format the line
	 */
	poll_sec = 1<<max(min3(ppoll, hpoll, NTP_MAXPOLL), NTP_MINPOLL);
	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 && havevar[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 ", maxhostlen, serverlocal);
	}
	if (AF_UNSPEC == af || AF(&srcadr) == af) {
		strncpy(clock_name, nntohost(&srcadr), sizeof(clock_name));		
		fprintf(fp, "%c%-15.15s ", c, clock_name);
		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),
			(havevar[HAVE_JITTER])
			    ? lfptoms(&estjitter, 3)
			    : lfptoms(&estdisp, 3));
		return (1);
	}
	else
		return(1);
}