File Manager

003 File Manager

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

📁 ..
📄 Makefile.am(3.27 KB)
📄 Makefile.in(105.83 KB)
📄 README(272 B)
📄 a_md5encrypt.c(6.76 KB)
📄 adjtime.c(10.29 KB)
📄 adjtimex.c(334 B)
📄 atoint.c(801 B)
📄 atolfp.c(1.88 KB)
📄 atouint.c(885 B)
📄 audio.c(13.09 KB)
📄 authkeys.c(19.92 KB)
📄 authreadkeys.c(9.06 KB)
📄 authusekey.c(748 B)
📄 bsd_strerror.c(1.35 KB)
📄 buftvtots.c(643 B)
📄 caljulian.c(891 B)
📄 caltontp.c(2.25 KB)
📄 calyearstart.c(2.1 KB)
📄 clocktime.c(4.49 KB)
📄 clocktypes.c(3.69 KB)
📄 decodenetnum.c(3.93 KB)
📄 dofptoa.c(2.19 KB)
📄 dolfptoa.c(3.14 KB)
📄 emalloc.c(3.4 KB)
📄 findconfig.c(1.46 KB)
📄 getopt.c(2.21 KB)
📄 hextoint.c(673 B)
📄 hextolfp.c(1.35 KB)
📄 humandate.c(1.1 KB)
📄 icom.c(4.22 KB)
📄 iosignal.c(12.27 KB)
📄 is_ip_address.c(2.02 KB)
📄 lib_strbuf.c(633 B)
📄 libssl_compat.c(6.13 KB)
📄 machines.c(13.05 KB)
📄 mktime.c(8.29 KB)
📄 modetoa.c(507 B)
📄 mstolfp.c(2.01 KB)
📄 msyslog.c(12.67 KB)
📄 netof.c(1.17 KB)
📄 ntp_calendar.c(58.49 KB)
📄 ntp_calgps.c(15.73 KB)
📄 ntp_crypto_rnd.c(2.11 KB)
📄 ntp_intres.c(28.64 KB)
📄 ntp_libopts.c(1.27 KB)
📄 ntp_lineedit.c(3.88 KB)
📄 ntp_random.c(17.63 KB)
📄 ntp_rfc2553.c(14.85 KB)
📄 ntp_worker.c(7.21 KB)
📄 numtoa.c(963 B)
📄 numtohost.c(908 B)
📄 octtoint.c(578 B)
📄 prettydate.c(5.53 KB)
📄 recvbuff.c(7.3 KB)
📄 refidsmear.c(1.05 KB)
📄 refnumtoa.c(673 B)
📄 snprintf.c(52.56 KB)
📄 socket.c(4.88 KB)
📄 socktoa.c(2.88 KB)
📄 socktohost.c(2.54 KB)
📄 ssl_init.c(5.09 KB)
📄 statestr.c(11.4 KB)
📄 strdup.c(854 B)
📄 strl_obsd.c(3.65 KB)
📄 syssignal.c(2.69 KB)
📄 systime.c(17.51 KB)
📄 systime_s.c(33 B)
📄 timespecops.c(4.27 KB)
📄 timetoa.c(2.75 KB)
📄 timevalops.c(12.97 KB)
📄 timexsup.c(1.17 KB)
📄 uglydate.c(958 B)
📄 vint64ops.c(5.1 KB)
📄 work_fork.c(12.73 KB)
📄 work_thread.c(22.88 KB)
📄 xsbprintf.c(2.06 KB)
📄 ymd2yd.c(582 B)

Editing: is_ip_address.c

/*
 * is_ip_address
 *
 */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "ntp_assert.h"
#include "ntp_stdlib.h"
#include "safecast.h"

/* Don't include ISC's version of IPv6 variables and structures */
#define ISC_IPV6_H 1
#include <isc/netaddr.h>
#include <isc/sockaddr.h>

/*
 * Code to tell if we have an IP address
 * If we have then return the sockaddr structure
 * and set the return value
 * see the bind9/getaddresses.c for details
 */
int
is_ip_address(
	const char *	host,
	u_short		af,
	sockaddr_u *	addr
	)
{
	struct in_addr in4;
	struct addrinfo hints;
	struct addrinfo *result;
	struct sockaddr_in6 *resaddr6;
	char tmpbuf[128];
	char *pch;

REQUIRE(host != NULL);
	REQUIRE(addr != NULL);

ZERO_SOCK(addr);

/*
	 * Try IPv4, then IPv6.  In order to handle the extended format
	 * for IPv6 scoped addresses (address%scope_ID), we'll use a local
	 * working buffer of 128 bytes.  The length is an ad-hoc value, but
	 * should be enough for this purpose; the buffer can contain a string
	 * of at least 80 bytes for scope_ID in addition to any IPv6 numeric
	 * addresses (up to 46 bytes), the delimiter character and the
	 * terminating NULL character.
	 */
	if (AF_UNSPEC == af || AF_INET == af)
		if (inet_pton(AF_INET, host, &in4) == 1) {
			AF(addr) = AF_INET;
			SET_ADDR4N(addr, in4.s_addr);

return TRUE;
		}

if (AF_UNSPEC == af || AF_INET6 == af)
		if (sizeof(tmpbuf) > strlen(host)) {
			if ('[' == host[0]) {
				strlcpy(tmpbuf, &host[1], sizeof(tmpbuf));
				pch = strchr(tmpbuf, ']');
				if (pch != NULL)
					*pch = '\0';
			} else {
				strlcpy(tmpbuf, host, sizeof(tmpbuf));
			}
			ZERO(hints);
			hints.ai_family = AF_INET6;
			hints.ai_flags |= AI_NUMERICHOST;
			if (getaddrinfo(tmpbuf, NULL, &hints, &result) == 0) {
				AF(addr) = AF_INET6;
				resaddr6 = UA_PTR(struct sockaddr_in6, result->ai_addr);
				SET_ADDR6N(addr, resaddr6->sin6_addr);
				SET_SCOPE(addr, resaddr6->sin6_scope_id);

freeaddrinfo(result);
				return TRUE;
			}
		}
	/*
	 * If we got here it was not an IP address
	 */
	return FALSE;
}

003 File Manager

Editing: is_ip_address.c

Upload File

Create Folder