freebsd-nq/libntp/refnumtoa.c
Ollivier Robert 2b45e011ca Virgin import of ntpd 4.2.6p5.
When the series of commits is complete, things like
https://cert.litnet.lt/en/docs/ntp-distributed-reflection-dos-attacks
should be fixed.

PR:		bin/148836 (except that we import a newer version)
Asked by:	Too many
MFC after:	2 weeks
2013-12-04 21:33:17 +00:00

37 lines
665 B
C

/*
* refnumtoa - return asciized refclock addresses stored in local array space
*/
#include <stdio.h>
#include "ntp_net.h"
#include "lib_strbuf.h"
#include "ntp_stdlib.h"
char *
refnumtoa(
sockaddr_u *num
)
{
register u_int32 netnum;
register char *buf;
register const char *rclock;
LIB_GETBUF(buf);
if (ISREFCLOCKADR(num)) {
netnum = SRCADR(num);
rclock = clockname((int)((u_long)netnum >> 8) & 0xff);
if (rclock != NULL)
snprintf(buf, LIB_BUFLENGTH, "%s(%lu)",
rclock, (u_long)netnum & 0xff);
else
snprintf(buf, LIB_BUFLENGTH, "REFCLK(%lu,%lu)",
((u_long)netnum >> 8) & 0xff,
(u_long)netnum & 0xff);
}
return buf;
}