Date: Wed, 29 Jun 2005 22:33:56 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: John Baldwin <jhb@FreeBSD.org> Cc: brooks@FreeBSD.org, current@FreeBSD.org Subject: Re: New dhclient broke multiple domains in domain-name Message-ID: <20050630053356.GA15200@odin.ac.hmc.edu> In-Reply-To: <200506161312.51857.jhb@FreeBSD.org> References: <200506161312.51857.jhb@FreeBSD.org>
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--dDRMvlgZJXvWKvBx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 16, 2005 at 01:12:51PM -0400, John Baldwin wrote: > [ Apologies if this has already been brought up, I'm still 1800 messages= =20 > behind on current@. ] >=20 > A feature of both the old and new dhclient(8) is that it would take whate= ver=20 > was in the domain-name option returned by the DHCP server and stick it in= the=20 > 'search' line in /etc/resolv.conf. Thus, if you wanted to have DNS searc= h=20 > multiple domains, you could just pass a space separated list of domains t= o=20 > search in domain-name and it would just work. I've made use of this=20 > "feature" in several different environments in the past including my curr= ent=20 > test lab. It's even used in the example dhclient.conf in dhclient.conf(5= ): >=20 > interface "ep0" { > send host-name "andare.fugue.com"; > send dhcp-client-identifier 1:0:a0:24:ab:fb:9c; > send dhcp-lease-time 3600; > supersede domain-name "fugue.com rc.vix.com home.vix.com"; > prepend domain-name-servers 127.0.0.1; > ... > } >=20 > The new dhclient is barfing on my domain-name setting now because it does= n't=20 > look like a domain name: >=20 > Setting hostname: deimos.baldwin.cx. > fxp0: link state changed to UP > DHCPDISCOVER on fxp0 to 255.255.255.255 port 67 interval 8 > DHCPOFFER from 192.168.0.1 > Bogus Host Name option 15: baldwin.cx freebsd.org atl.weather.com (baldwi= n.cx=20 > freebsd.org atl.weather.com) > Invalid lease option - ignoring offer > packet_to_lease failed. > DHCPDISCOVER on fxp0 to 255.255.255.255 port 67 interval 10 > DHCPOFFER from 192.168.0.1 > Bogus Host Name option 15: baldwin.cx freebsd.org atl.weather.com (baldwi= n.cx=20 > freebsd.org atl.weather.com) > Invalid lease option - ignoring offer > packet_to_lease failed. > ... >=20 > I'd very much like the old behavior restored if possible, or an alternati= ve=20 > way to achieve the same result (multiple domains in the 'search' part=20 > of /etc/resolv.conf). Note that the old domain-name trick has worked all= the=20 > way back to at least 4.1 and maybe even back in the 3.x days IIRC. I've disabled validation of this field which should work around this issue for now. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --dDRMvlgZJXvWKvBx Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCw4RDXY6L6fI4GtQRAlS6AJ4oZ0JUN9zA+7H6QXSi4Zb3MauzvACgr0Gj uw2YmGZZdAWNMMK+QMh1POs= =8yeP -----END PGP SIGNATURE----- --dDRMvlgZJXvWKvBx--
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