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Re: [Freeipa-users] RHEL 6.4 , IPA 3.0 and bind-chroot

On 23.2.2013 23:01, Dale Macartney wrote:

Hash: SHA1

On 02/23/2013 09:47 PM, Dmitri Pal wrote:
On 02/23/2013 12:48 PM, Dale  Macartney wrote:
 > >
 >> Hi all
 >> I've just performed a clean IPA installation and noticed that if you're
 >> using integrated DNS, you are still unable to use bind in a chrooted
 >> environment with a default IPA install.
 >> Basically if its a chrooted environment, named will fail to start.
 >> To replicate what I've done, do the following.
 >> # yum install ipa-server bind bind-chroot bind-dyndb-ldap -y
 >> # ipa-server-install --setup-dns (do your usual thing here)
 >> - From what I've been testing, there needs to be quite a few libraries
 >> located in the chroot environment.
 >> I've done the below to get a little further (I should probably use
 >> symbolic links, but for now copying the files is a start).
 >> mkdir /var/named/chroot/lib64/
 >> cp /lib64/libldap-2.4.so.2 /var/named/chroot/lib64/
 >> cp /lib64/liblber-2.4.so.2 /var/named/chroot/lib64/
 >> cp /lib64/libplds4.so /var/named/chroot/lib64/
 >> cp /lib64/libplc4.so /var/named/chroot/lib64/
 >> cp /lib64/libnspr4.so /var/named/chroot/lib64/
 >> cp /lib64/libcrypt.so.1 /var/named/chroot/lib64/
 >> cp /lib64/libfreebl3.so /var/named/chroot/lib64/
 >> mkdir /var/named/chroot/usr/lib64/
 >> cp /usr/lib64/libssl3.so /var/named/chroot/usr/lib64/
 >> cp /usr/lib64/libsmime3.so /var/named/chroot/usr/lib64/
 >> cp /usr/lib64/libnss3.so /var/named/chroot/usr/lib64/
 >> cp /usr/lib64/libnssutil3.so /var/named/chroot/usr/lib64/
 >> cp /usr/lib64/libsasl2.so.2 /var/named/chroot/usr/lib64/
 >> Now when I restart named, I get the below error in /var/log/messages.
 >> Does anyone have any ideas of the best way to get around this error?
 >> Feb 23 17:35:29 ds01 named[2425]: Failed to parse the principal name
 >> DNS/ds01.example.com (Configuration file does not specify default realm)
 > It should be
oh of course.. what a face palm moment.

Where does the default ipa installation put the DNS keytab file? I did notice
an /etc/named.keytab was present, but placing that in /var/named/chroot/etc
didn't seem to improve matters.

I wrote short how-to:

In my RHEL 6.4 test environment it worked, but it is a bit "hackish". Any improvements are welcome!

 > I do not know the exact reason but it might be that bind ldap driver can't
locate its kerberos configuration.
 > I hope it will give you a hint and unblock you before the real masters of
DNS chime in. i
I know this has been a rather long lasting rfe/bug/how ever you want to label it.

If I make any progress I'll let the team know.

Petr^2 Spacek

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