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| author | ume <ume@FreeBSD.org> | 2015-11-04 14:47:10 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2015-11-04 14:47:10 +0000 |
| commit | 978d9583be7723ca54a6be19171ba01e6eb52739 (patch) | |
| tree | 5c1317a1e5ea631d28cfef092652dbad6efb0d20 /usr.bin | |
| parent | b4086eb5b8194473cbf0d5bdbc3c4effd3c166c4 (diff) | |
| download | FreeBSD-src-978d9583be7723ca54a6be19171ba01e6eb52739.zip FreeBSD-src-978d9583be7723ca54a6be19171ba01e6eb52739.tar.gz | |
Mask an IPv6 network address.
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/netstat/route.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.bin/netstat/route.c b/usr.bin/netstat/route.c index 7cb777b..2ab35a0 100644 --- a/usr.bin/netstat/route.c +++ b/usr.bin/netstat/route.c @@ -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, struct sockaddr_in6 *mask) } 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; |
