openssl: rehash actual mozilla certificates inside rootfs
The c_rehash utility is supposed to be run in the folder /etc/ssl/certs
of a rootfs where the package ca-certificates puts symlinks to
various CA certificates stored in /usr/share/ca-certificates/mozilla/.
These symlinks are absolute. This means that when c_rehash is run
at rootfs creation time it can't hash the actual files since they
actually reside in the build host's directory
$SYSROOT/usr/share/ca-certificates/mozilla/.
This problem doesn't reproduce when building on Debian or Ubuntu
hosts though, because these OSs have the certificates installed
in the same /usr/share/ca-certificates/mozilla/ folder.
Images built in other distros, e.g. Fedora, have problems with
connecting to https servers when using e.g. python's http lib.
The patch fixes c_rehash to check if it runs on a build host
by testing $SYSROOT and to translate the paths to certificates
accordingly.
Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
