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#!/bin/sh

# Script to use as a crypttab keyscript, to automatically get keys with kxc.
# It will use the configuration from /etc/kxc/.
#
# The only argument is the base name of the configuration.

CONFIG_BASE="/etc/kxc"

CLIENT_CERT="${CONFIG_BASE}/cert.pem"
CLIENT_KEY="${CONFIG_BASE}/key.pem"
SERVER_CERT="${CONFIG_BASE}/${1}.server_cert.pem"
SERVER_URL=$(cat "${CONFIG_BASE}/${1}.url")

# Find the binary. We search because it can be in one place in the initramfs,
# and in another in the normal distribution, and we want to support both
# easily.
for KXC in /bin/kxc /sbin/kxc /usr/bin/kxc /usr/sbin/kxc; do
	if [ -x $KXC ]; then
		break;
	fi
done

exec $KXC \
	--client_cert=$CLIENT_CERT \
	--client_key=$CLIENT_KEY \
	--server_cert=$SERVER_CERT \
	$SERVER_URL