/mandos/trunk

#!/bin/sh

#

# This file should be present in the root file system directory

# /usr/lib/dracut/modules.d/90mandos.  When dracut creates the

# initramfs image, dracut will source this file and run the shell

# functions defined in this file: "install", "check", "depends",

# "cmdline", and "installkernel".

# 

# Despite the above #!/bin/sh line and the executable flag, this file

# is not executed; this file is sourced by dracut when creating the

# initramfs image file.

mandos_libdir(){

    for dir in /usr/lib \

	"/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \

	"`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/local/lib; do

	if [ -d "$dir"/mandos ]; then

	    echo "$dir"/mandos

	    return

	fi

    done

    # Mandos not found

    return 1

}

mandos_keydir(){

    for dir in /etc/keys/mandos /etc/mandos/keys; do

	if [ -d "$dir" ]; then

	    echo "$dir"

	    return

	fi

    done

    # Mandos key directory not found

    return 1

}

check(){

    if [ "${hostonly:-no}" = "no" ]; then

	dwarning "Mandos: Dracut not in hostonly mode"

	return 1

    fi

    local libdir=`mandos_libdir`

    if [ -z "$libdir" ]; then

	dwarning "Mandos lib directory not found"

	return 1

    fi

    local keydir=`mandos_keydir`

    if [ -z "$keydir" ]; then

	dwarning "Mandos key directory not found"

	return 1

    fi

}

install(){

    chmod go+w,+t "$initdir"/tmp

    local libdir=`mandos_libdir`

    local keydir=`mandos_keydir`

    set `{ getent passwd _mandos \

	|| getent passwd nobody \

	|| echo ::65534:65534:::; } \

	| cut --delimiter=: --fields=3,4 --only-delimited \

	--output-delimiter=" "`

    local mandos_user="$1"

    local mandos_group="$2"

    inst "${libdir}" /lib/mandos

    if dracut_module_included "systemd"; then

	plugindir=/lib/mandos

	inst "${libdir}/plugins.d/mandos-client" \

	     "${plugindir}/mandos-client"

	chmod u-s "${initdir}/${plugindir}/mandos-client"

	inst "${moddir}/ask-password-mandos.service" \

	     "${systemdsystemunitdir}/ask-password-mandos.service"

	if [ -d /etc/systemd/system/ask-password-mandos.service.d ]; then

	    inst /etc/systemd/system/ask-password-mandos.service.d

	    inst_multiple -o /etc/systemd/system/ask-password-mandos.service.d/*.conf

	fi

	if [ ${mandos_user} != 65534 ]; then

	    sed --in-place \

		--expression="s,^ExecStart=/lib/mandos/password-agent ,&--user=${mandos_user} ," \

		"${initdir}/${systemdsystemunitdir}/ask-password-mandos.service"

	fi

	if [ ${mandos_group} != 65534 ]; then

	    sed --in-place \

		--expression="s,^ExecStart=/lib/mandos/password-agent ,&--group=${mandos_group} ," \

		"${initdir}/${systemdsystemunitdir}/ask-password-mandos.service"

	fi

    else

	inst_hook cmdline 20 "$moddir"/cmdline-mandos.sh

	plugindir=/lib/mandos/plugins.d

	inst "${libdir}/plugin-runner" /lib/mandos/plugin-runner

	inst /etc/mandos/plugin-runner.conf

	sed --in-place \

	    --expression='1i--options-for=mandos-client:--pubkey=/etc/mandos/keys/pubkey.txt,--seckey=/etc/mandos/keys/seckey.txt,--tls-pubkey=/etc/mandos/keys/tls-pubkey.pem,--tls-privkey=/etc/mandos/keys/tls-privkey.pem' \

	    "${initdir}/etc/mandos/plugin-runner.conf"

	if [ ${mandos_user} != 65534 ]; then

	    sed --in-place --expression="1i--userid=${mandos_user}" \

		"${initdir}/etc/mandos/plugin-runner.conf"

	fi

	if [ ${mandos_group} != 65534 ]; then

	    sed --in-place \

		--expression="1i--groupid=${mandos_group}" \

		"${initdir}/etc/mandos/plugin-runner.conf"

	fi

	inst "${libdir}/plugins.d" "$plugindir"

	chown ${mandos_user}:${mandos_group} "${initdir}/${plugindir}"

	# Copy the packaged plugins

	for file in "$libdir"/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-bak|*.dpkg-new|*.dpkg-divert)

		    : ;;

		"*") dwarning "Mandos client plugin directory is empty." >&2 ;;

		askpass-fifo) : ;; # Ignore packaged for dracut

		*) inst "${file}" "${plugindir}/${base}" ;;

	    esac

	done

	# Copy any user-supplied plugins

	for file in /etc/mandos/plugins.d/*; do

	    base="`basename \"$file\"`"

	    case "$base" in

		*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)

		    : ;;

		"*") : ;;

		*) inst "$file" "${plugindir}/${base}" ;;

	    esac

	done

	# Copy any user-supplied plugin helpers

	for file in /etc/mandos/plugin-helpers/*; do

	    base="`basename \"$file\"`"

	    case "$base" in

		*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)

		    : ;;

		"*") : ;;

		*) inst "$file" "/lib/mandos/plugin-helpers/$base";;

	    esac

	done

    fi

    # Copy network hooks

    for hook in /etc/mandos/network-hooks.d/*; do

	basename=`basename "$hook"`

	case "$basename" in

	    "*") continue ;;

	    *[!A-Za-z0-9_.-]*) continue ;;

	    *) test -d "$hook" || inst "$hook" "/lib/mandos/network-hooks.d/$basename" ;;

	esac

	if [ -x "$hook" ]; then

	    # Copy any files needed by the network hook

	    MANDOSNETHOOKDIR=/etc/mandos/network-hooks.d MODE=files \

		VERBOSITY=0 "$hook" files | while read file target; do

		if [ ! -e "${file}" ]; then

		    dwarning "WARNING: file ${file} not found, requested by Mandos network hook '${basename}'" >&2

		fi

		if [ -z "${target}" ]; then

		    inst "$file"

		else

		    inst "$file" "$target"

		fi

	    done

	fi

    done

    # Copy the packaged plugin helpers

    for file in "$libdir"/plugin-helpers/*; do

	base="`basename \"$file\"`"

	# Is this plugin overridden?

	if [ -e "/etc/mandos/plugin-helpers/$base" ]; then

	    continue

	fi

	case "$base" in

	    *~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)

		: ;;

	    "*") : ;;

	    *) inst "$file" "/lib/mandos/plugin-helpers/$base";;

	esac

    done

    local gpg=/usr/bin/gpg

    if [ -e /usr/bin/gpgconf ]; then

	inst /usr/bin/gpgconf

	gpg="`/usr/bin/gpgconf|sed --quiet --expression='s/^gpg:[^:]*://p'`"

	gpgagent="`/usr/bin/gpgconf|sed --quiet --expression='s/^gpg-agent:[^:]*://p'`"

	# Newer versions of GnuPG 2 requires the gpg-agent binary

	if [ -e "$gpgagent" ]; then

	    inst "$gpgagent"

	fi

    fi

    inst "$gpg"

    if dracut_module_included "systemd"; then

	inst "${moddir}/password-agent" /lib/mandos/password-agent

	inst "${moddir}/ask-password-mandos.path" \

	     "${systemdsystemunitdir}/ask-password-mandos.path"

	ln_r "${systemdsystemunitdir}/ask-password-mandos.path" \

	     "${systemdsystemunitdir}/sysinit.target.wants/ask-password-mandos.path"

    fi

    # Key files

    for file in "$keydir"/*; do

	if [ -d "$file" ]; then

	    continue

	fi

	case "$file" in

	    *~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)

		: ;;

	    "*") : ;;

	    *)

		inst "$file" "/etc/mandos/keys/`basename \"$file\"`"

		chown ${mandos_user}:${mandos_group} \

		      "${initdir}/etc/mandos/keys/`basename \"$file\"`"

		if [ `basename "$file"` = dhparams.pem ]; then

		    # Use Diffie-Hellman parameters file

		    if dracut_module_included "systemd"; then

			sed --in-place \

			    --expression='/^ExecStart/s/ \$MANDOS_CLIENT_OPTIONS/ --dh-params=\/etc\/mandos\/keys\/dhparams.pem&/' \

			    "${initdir}/${systemdsystemunitdir}/ask-password-mandos.service"

		    else

			sed --in-place \

			    --expression="1i--options-for=mandos-client:--dh-params=/etc/mandos/keys/dhparams.pem" \

			    "${initdir}/etc/mandos/plugin-runner.conf"

		    fi

		fi

		;;

	esac

    done

}

installkernel(){

    instmods =drivers/net

    hostonly='' instmods ipv6

    # Copy any kernel modules needed by network hooks

    for hook in /etc/mandos/network-hooks.d/*; do

	basename=`basename "$hook"`

	case "$basename" in

	    "*") continue ;;

	    *[!A-Za-z0-9_.-]*) continue ;;

	esac

	if [ -x "$hook" ]; then

	    # Copy and load any modules needed by the network hook

	    MANDOSNETHOOKDIR=/etc/mandos/network-hooks.d MODE=modules \

		VERBOSITY=0 "$hook" modules | while read module; do

		if [ -z "${target}" ]; then

		    instmods "$module"

		fi

	    done

	fi

    done

}

depends(){

    echo crypt

}

cmdline(){

    :

}