svn commit: r290366 - head/usr.bin/netstat
Hajimu UMEMOTO
ume at FreeBSD.org
Wed Nov 4 14:47:12 UTC 2015
Author: ume
Date: Wed Nov 4 14:47:10 2015
New Revision: 290366
URL: https://svnweb.freebsd.org/changeset/base/290366
Log:
Mask an IPv6 network address.
Modified:
head/usr.bin/netstat/route.c
Modified: head/usr.bin/netstat/route.c
==============================================================================
--- head/usr.bin/netstat/route.c Wed Nov 4 13:59:13 2015 (r290365)
+++ head/usr.bin/netstat/route.c Wed Nov 4 14:47:10 2015 (r290366)
@@ -688,9 +688,10 @@ static const char *
netname6(struct sockaddr_in6 *sa6, struct sockaddr_in6 *mask)
{
static char line[NI_MAXHOST + sizeof("/xxx") - 1];
+ struct sockaddr_in6 addr;
char nline[NI_MAXHOST];
u_char *p, *lim;
- int masklen, illegal = 0;
+ int masklen, illegal = 0, i;
if (mask) {
p = (u_char *)&mask->sin6_addr;
@@ -703,6 +704,12 @@ netname6(struct sockaddr_in6 *sa6, struc
}
if (illegal)
xo_error("illegal prefixlen\n");
+
+ memcpy(&addr, sa6, sizeof(addr));
+ for (i = 0; i < 16; ++i)
+ addr.sin6_addr.s6_addr[i] &=
+ mask->sin6_addr.s6_addr[i];
+ sa6 = &addr;
}
else
masklen = 128;
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