Right now it doesn't even compile for me on SLES11,
because it seems to blindly depend on libbsd, which is simply not
available on SLES11. configure does not check for its availability and
just makes the compile fail due to an "undefined reference to
`arc4random_buf'".
For those facing the same problem on SLES11 or other Linux systems: As
already mentioned by Harlan, it only needs arc4random if openssl is not
available. The problem is that it is generally unable to find libssl on
Linux even if that is installed (but it DOES look for it in several
slowlaris-specific hideaways!). I think ntp is probably the first
software package ever to be unable to find libssl on Linux - which is
somewhat of an "accomplishment", as it is in the systems default path,
you can just link with -lssl without giving the linker any explicit
search path.
So to get ntpd 4.2.8 to compile, you can add something like the
following to your 'configure' options (you need to have the
"openssl-devel" or similar package installed):
For SLES 11:
--with-crypto=openssl --with-openssl-libdir=/usr/lib64
--with-openssl-incdir=/usr/include
For Debian on x86-64 (will probably also work on Ubuntu):
--with-crypto=openssl --with-openssl-libdir=/usr/lib/x86_64-linux-gnu
--with-openssl-incdir=/usr/include
You might also want to add --disable-autokey since I gather that is
pretty much FUBAR anyways and using OpenSSL enables it by default?
BTW, it seems that RHEL / CentOS / Debian / OpenSuSE already have
Updates for their respective 4.2.6-version out. If you use any of these
distributions, you should install and switch to the updated version
ASAP. Note that opensuse so far seems to have patched only two of the
four CVEs.
Looking at the (small) RedHat-patches, it probably wasn't that hard to
backport the fixes to 4.2.6... Certainly not in the range of "delay for
a few weeks."
--
Michael Meier, Zentrale Systeme
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
Regionales Rechenzentrum Erlangen
Martensstrasse 1, 91058 Erlangen, Germany
Tel.: +49 9131 85-28973, Fax: +49 9131 302941
[email protected]
www.rrze.fau.de
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