From owner-freebsd-qa  Fri May 31 14:54:56 2002
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Date: Fri, 31 May 2002 14:54:50 -0700
From: Gregory Neil Shapiro <gshapiro@FreeBSD.ORG>
To: "Louis A. Mamakos" <louie@TransSys.COM>
Cc: freebsd-qa@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG
Subject: dhclient-enter-hooks (was Re: 4.6-RELEASE delayed)
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>>>>> "ume" == Hajimu UMEMOTO <ume@mahoroba.org> writes:

ume> Hi,
>>>>> On Fri, 31 May 2002 14:32:08 -0400
>>>>> "Louis A. Mamakos" <louie@TransSys.COM> said:

louie> You can't configure the "update /etc/resolv.conf" behavior, so I had
louie> to manually edit the /sbin/dhclient-script to resolve this issue.

ume> You can re-define make_resolv_conf() in /etc/dhclient-enter-hooks to
ume> don't update /etc/resolv.conf.  Please refer dhclient-script(8)
ume> manpage.

Here is what I use in mine in case it's useful.  Personally, I think it
should replace the default make_resolv_conf() in /sbin/dhclient-script as
it is more intelligent -- it only replaces /etc/resolv.conf if something
changes.

make_resolv_conf() {
  # Don't replace /etc/resolv.conf unless something has changed
  if [ "$reason" != "RENEW" -o "$new_domain_name" != "$old_domain_name" -o \
       "$new_domain_name_servers" != "$old_domain_name_servers" ]
  then
    echo search $new_domain_name >/etc/resolv.conf
    for nameserver in $new_domain_name_servers; do
      echo nameserver $nameserver >>/etc/resolv.conf
    done
  fi
}


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