Date: Tue, 30 Oct 2001 19:02:54 +0900 (JST) From: Yuichi SHIMODA <shimoda@rcac.tdi.co.jp> To: FreeBSD-gnats-submit@freebsd.org Subject: bin/31632: ip6fw error under DNS dislabled environment Message-ID: <200110301002.f9UA2sC18635@bach.junkyard.rcac.tdi.co.jp>
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>Number: 31632
>Category: bin
>Synopsis: ip6fw error under DNS dislabled environment
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 30 02:10:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: Yuichi SHIMODA
>Release: FreeBSD 4.4-STABLE i386
>Organization:
T.D.I. CO., LTD.
>Environment:
System: FreeBSD bach.junkyard.rcac.tdi.co.jp 4.4-STABLE FreeBSD 4.4-STABLE #0: Wed Oct 24 22:19:51 JST 2001 shimoda@octa.junkyard.rcac.tdi.co.jp:/work/obj/home2/f4s/src/sys/GENERIC i386
>Description:
when my /etc/host.conf contains no "bind" entries,
ip6fw command with ipv6 address argument shows error message.
ip6fw: error: hostname ``ff02::'' unknown
usage: ip6fw [options]
:
:
>How-To-Repeat:
edit your /etc/host.conf:
hosts
# bind <-- commented out
# nis
use ip6fw command:
ip6fw add allow ipv6-icmp from ff02::/16 to ::
>Fix:
--- /usr/src/sbin/ip6fw/ip6fw.c.ORIG Tue Aug 7 10:27:56 2001
+++ /usr/src/sbin/ip6fw/ip6fw.c Tue Oct 30 17:38:00 2001
@@ -516,9 +516,12 @@
char *host;
u_char *addr;
{
- struct hostent *he = gethostbyname2(host, family);
+ struct hostent *he;
- if (!he)
+ if (inet_pton(family, host, &addr) == 1)
+ return 0;
+
+ if (!(he = gethostbyname2(host, family)))
return(-1);
memcpy(addr, he->h_addr_list[0], he->h_length);
>Release-Note:
>Audit-Trail:
>Unformatted:
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