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#!/bin/sh
# This script will be run by 'mkinitramfs' when it creates the image.
# Its job is to decide which files to install, then install them into
# the staging area, where the initramfs is being created. This
# happens when a new 'linux-image' package is installed, or when the
# administrator runs 'update-initramfs' by hand to update an initramfs
# image.
# The environment contains at least:
#
# DESTDIR -- The staging directory where the image is being built.
# No initramfs pre-requirements
PREREQ="cryptroot"
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/hook-functions
if [ -d /usr/lib/mandos ]; then
prefix=/usr
elif [ -d /usr/local/lib/mandos ]; then
prefix=/usr/local
else
# Mandos not found
exit 1
fi
# The Mandos network client uses the network
auto_add_modules net
# The Mandos network client uses IPv6
force_load ipv6
# These are directories inside the initrd
CONFDIR="/conf/conf.d/mandos"
MANDOSDIR="/lib/mandos"
PLUGINDIR="${MANDOSDIR}/plugins.d"
# Make directories
mkdir --parents "${DESTDIR}${CONFDIR}"
mkdir --parents "${DESTDIR}${PLUGINDIR}"
# Copy the Mandos plugin runner
copy_exec "$prefix"/lib/mandos/plugin-runner "${DESTDIR}${MANDOSDIR}"
# Copy the plugins
# Copy the packaged plugins
for file in "$prefix"/lib/mandos/plugins.d/*; do
base="`basename \"$file\"`"
# Is this plugin overridden?
if [ -e "/etc/mandos/plugins.d/$base" ]; then
continue
fi
case "$base" in
*~|.*|\#*\#|*.dpkg-old|*.dpkg-new|*.dpkg-divert) : ;;
*) copy_exec "$file" "${PLUGINDIR}";;
esac
done
# Copy any user-supplied plugins
for file in /etc/mandos/plugins.d/*; do
base="`basename \"$file\"`"
case "$base" in
*~|.*|\#*\#|*.dpkg-old|*.dpkg-new|*.dpkg-divert) : ;;
*) copy_exec "$file" "${PLUGINDIR}";;
esac
done
# GPGME needs /usr/bin/gpg
if ! [ -e "${DESTDIR}/usr/bin/gpg" ] \
&& [ -n "`ls \"${DESTDIR}\"/usr/lib/libgpgme.so* 2>/dev/null`" ]; then
copy_exec /usr/bin/gpg
fi
# Key files and config files
for file in /etc/mandos/*; do
if [ -d "$file" ]; then
continue
fi
cp --archive --sparse=always "$file" "${DESTDIR}${CONFDIR}"
done
# /lib/mandos/plugin-runner will drop priviliges, but needs access to
# its plugin directory and its config file. However, since almost all
# files in initrd have been created with umask 027, this opening of
# permissions is needed.
#
# (The umask is not really intended to affect the files inside the
# initrd; it is intended to affect the initrd.img file itself, since
# it now contains secret key files. There is, however, no other way
# to set the permission of the initrd.img file without a race
# condition. This umask is set by "initramfs-tools-hook-conf",
# installed as "/usr/share/initramfs-tools/conf-hooks.d/mandos".)
#
for full in "${PLUGINDIR}" "${CONFDIR}"; do
while [ "$full" != "/" ]; do
chmod a+rX "${DESTDIR}$full"
full="`dirname \"$full\"`"
done
done
# Reset some other things to sane permissions which we have
# inadvertently affected with our umask setting.
for dir in / /bin /etc /keyscripts /sbin /scripts /usr /usr/bin; do
chmod a+rX "${DESTDIR}$dir"
done
for dir in /lib /usr/lib; do
find "${DESTDIR}$dir" \! -perm /u+rw,g+r -prune -o -print0 \
| xargs --null chmod a+rX
done
|