File Manager

003 File Manager

Current Path: /usr/src/contrib/ntp/sntp

📁 ..
📄 COPYRIGHT(11.68 KB)
📄 Makefile.am(7.73 KB)
📄 Makefile.in(57.02 KB)
📄 aclocal.m4(48.79 KB)
📁 ag-tpl
📄 bincheck.mf(605 B)
📄 check-libntp.mf(324 B)
📄 check-libopts.mf(350 B)
📄 config.h.in(25.57 KB)
📄 configure(761.77 KB)
📄 configure.ac(3.83 KB)
📄 crypto.c(7.33 KB)
📄 crypto.h(799 B)
📄 data_formats.h(117 B)
📄 deps-ver(29 B)
📄 depsver.mf(2.2 KB)
📁 harden
📁 include
📄 includes.mf(254 B)
📄 invoke-sntp.menu(49 B)
📄 invoke-sntp.texi(15.32 KB)
📄 kod_management.c(5.62 KB)
📄 kod_management.h(450 B)
📁 libevent
📁 libopts
📁 libpkgver
📁 loc
📄 log.c(754 B)
📄 log.h(518 B)
📁 m4
📄 main.c(34.64 KB)
📄 main.h(875 B)
📄 networking.c(7.28 KB)
📄 networking.h(3.16 KB)
📄 scm-rev(7 B)
📁 scripts
📄 sntp-opts.c(56.65 KB)
📄 sntp-opts.def(8.66 KB)
📄 sntp-opts.h(12.16 KB)
📄 sntp.1sntpman(12.08 KB)
📄 sntp.1sntpmdoc(10.64 KB)
📄 sntp.c(125 B)
📄 sntp.html(31.16 KB)
📄 sntp.man.in(12.09 KB)
📄 sntp.mdoc.in(10.65 KB)
📄 sntp.texi(2.41 KB)
📁 tests
📁 unity
📄 utilities.c(3.63 KB)
📄 utilities.h(754 B)
📄 version.c(135 B)

Editing: utilities.c

#include <config.h>
#include "utilities.h"
#include <assert.h>

/* Display a NTP packet in hex with leading address offset 
 * e.g. offset: value, 0: ff 1: fe ... 255: 00
 */ 
void 
pkt_output (
		struct pkt *dpkg,
		int pkt_length, 
		FILE *output
	   )
{
	register int a;
	u_char *pkt;

pkt = (u_char *)dpkg;

fprintf(output, HLINE);

for (a = 0; a < pkt_length; a++) {
		if (a > 0 && a % 8 == 0)
			fprintf(output, "\n");

fprintf(output, "%3d: %02x  ", a, pkt[a]);
	}

fprintf(output, "\n");
	fprintf(output, HLINE);
}

/* Output a long floating point value in hex in the style described above 
 */
void
l_fp_output(
	l_fp *	ts,
	FILE *	output
	)
{
	fprintf(output, "%s\n", prettydate(ts));
}

/* Output a long floating point value in binary in the style described above
 */
void 
l_fp_output_bin (
		l_fp *ts,
		FILE *output
		)
{
	register int a, b;

fprintf(output, HLINE);

for(a=0; a<8; a++) {
		short tmp = ((unsigned char *) ts)[a];
		tmp++;

fprintf(output, "%i: ", a);

for(b=7; b>=0; b--) {
			int texp = (int) pow(2, b);

if(tmp - texp > 0) {
				fprintf(output, "1");
				tmp -= texp;
			}
			else {
				fprintf(output, "0");
			}
		}

fprintf(output, " ");
	}

fprintf(output, "\n");
	fprintf(output, HLINE);
}

/* Output a long floating point value in decimal in the style described above
 */
void
l_fp_output_dec (
		l_fp *ts,
		FILE *output
	    )
{
	register int a;

fprintf(output, HLINE);

for(a=0; a<8; a++) 
		fprintf(output, "%i: %i \t", a, ((unsigned char *) ts)[a]);

fprintf(output, "\n");
	fprintf(output, HLINE);

}

/* Convert a struct addrinfo to a string containing the address in style
 * of inet_ntoa
 */
char *
addrinfo_to_str (
	const struct addrinfo *addr
	)
{
	sockaddr_u	s;
	
	ZERO(s);
	memcpy(&s, addr->ai_addr, min(sizeof(s), addr->ai_addrlen));

return ss_to_str(&s);
}

/* Convert a sockaddr_u to a string containing the address in
 * style of inet_ntoa
 * Why not switch callers to use stoa from libntp?  No free() needed
 * in that case.
 */
char *
ss_to_str(
	sockaddr_u *saddr
	)
{
	return estrdup(stoa(saddr));
}

/*
 * Converts a struct tv to a date string
 */
char *
tv_to_str(
	const struct timeval *tv
	)
{
	const size_t bufsize = 48;
	char *buf;
	time_t gmt_time, local_time;
	struct tm *p_tm_local;
	int hh, mm, lto;

/*
	 * convert to struct tm in UTC, then intentionally feed
	 * that tm to mktime() which expects local time input, to
	 * derive the offset from UTC to local time.
	 */
	gmt_time = tv->tv_sec;
	local_time = mktime(gmtime(&gmt_time));
	p_tm_local = localtime(&gmt_time);

/* Local timezone offsets should never cause an overflow.  Yeah. */
	lto = difftime(local_time, gmt_time);
	lto /= 60;
	hh = lto / 60;
	mm = abs(lto % 60);

buf = emalloc(bufsize);
	snprintf(buf, bufsize,
		 "%d-%.2d-%.2d %.2d:%.2d:%.2d.%.6d (%+03d%02d)",
		 p_tm_local->tm_year + 1900,
		 p_tm_local->tm_mon + 1,
		 p_tm_local->tm_mday,
		 p_tm_local->tm_hour,
		 p_tm_local->tm_min,
		 p_tm_local->tm_sec,
		 (int)tv->tv_usec,
		 hh,
		 mm);

return buf;
}

/*
 *
 * hostnameaddr()
 *
 * Formats the hostname and resulting numeric IP address into a string,
 * avoiding duplication if the "hostname" was in fact a numeric address.
 *
 */
const char *
hostnameaddr(
	const char *		hostname,
	const sockaddr_u *	addr
	)
{
	const char *	addrtxt;
	char *		result;
	int		cnt;

addrtxt = stoa(addr);
	LIB_GETBUF(result);
	if (strcmp(hostname, addrtxt))
		cnt = snprintf(result, LIB_BUFLENGTH, "%s %s",
			       hostname, addrtxt);
	else
		cnt = snprintf(result, LIB_BUFLENGTH, "%s", addrtxt);
	if (cnt >= LIB_BUFLENGTH)
		snprintf(result, LIB_BUFLENGTH,
			 "hostnameaddr ERROR have %d (%d needed)",
			 LIB_BUFLENGTH, cnt + 1);

return result;
}

003 File Manager

Editing: utilities.c

Upload File

Create Folder