Differential D2856 Diff 8343 sbin/ifconfig/af_inet.c

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sbin/ifconfig/af_inet.c

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	#include <netinet/in_var.h>			#include <netinet/in_var.h>
	#include <arpa/inet.h>			#include <arpa/inet.h>
	#include <netdb.h>			#include <netdb.h>

	#include "ifconfig.h"			#include "ifconfig.h"

	static struct in_aliasreq in_addreq;			static struct in_aliasreq in_addreq;
	static struct ifreq in_ridreq;			static struct ifreq in_ridreq;
				extern char *f_subnet;

	static void			static void
	in_status(int s __unused, const struct ifaddrs *ifa)			in_status(int s __unused, const struct ifaddrs *ifa)
	{			{
	struct sockaddr_in *sin, null_sin;			struct sockaddr_in *sin, null_sin;

	memset(&null_sin, 0, sizeof(null_sin));			memset(&null_sin, 0, sizeof(null_sin));

	sin = (struct sockaddr_in *)ifa->ifa_addr;			sin = (struct sockaddr_in *)ifa->ifa_addr;
	if (sin == NULL)			if (sin == NULL)
	return;			return;

	printf("\tinet %s ", inet_ntoa(sin->sin_addr));			printf("\tinet %s", inet_ntoa(sin->sin_addr));

	if (ifa->ifa_flags & IFF_POINTOPOINT) {			if (ifa->ifa_flags & IFF_POINTOPOINT) {
	sin = (struct sockaddr_in *)ifa->ifa_dstaddr;			sin = (struct sockaddr_in *)ifa->ifa_dstaddr;
	if (sin == NULL)			if (sin == NULL)
	sin = &null_sin;			sin = &null_sin;
	printf("--> %s ", inet_ntoa(sin->sin_addr));			printf(" --> %s ", inet_ntoa(sin->sin_addr));
	}			}

	sin = (struct sockaddr_in *)ifa->ifa_netmask;			sin = (struct sockaddr_in *)ifa->ifa_netmask;
	if (sin == NULL)			if (sin == NULL)
	sin = &null_sin;			sin = &null_sin;
				if (f_subnet != NULL && strcmp(f_subnet, "cidr") == 0) {
				int cidr = 32;
				unsigned long smask;

				smask = ntohl(sin->sin_addr.s_addr);
				while ((smask & 1) == 0) {
				smask = smask >> 1;
				cidr--;
				if (cidr == 0)
				break;
				}
				printf("/%d ", cidr);
				} else if (f_subnet != NULL && strcmp(f_subnet, "dotted") == 0)
				printf(" netmask %s ", inet_ntoa(sin->sin_addr));
				else
	printf("netmask 0x%lx ", (unsigned long)ntohl(sin->sin_addr.s_addr));			printf(" netmask 0x%lx ", (unsigned long)ntohl(sin->sin_addr.s_addr));

	if (ifa->ifa_flags & IFF_BROADCAST) {			if (ifa->ifa_flags & IFF_BROADCAST) {
	sin = (struct sockaddr_in *)ifa->ifa_broadaddr;			sin = (struct sockaddr_in *)ifa->ifa_broadaddr;
	if (sin != NULL && sin->sin_addr.s_addr != 0)			if (sin != NULL && sin->sin_addr.s_addr != 0)
	printf("broadcast %s ", inet_ntoa(sin->sin_addr));			printf("broadcast %s ", inet_ntoa(sin->sin_addr));
	}			}

	print_vhid(ifa, " ");			print_vhid(ifa, " ");
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