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# Compatibility layer for netifrc to work with multiple init
# systems.
# shellcheck shell=sh disable=SC1008
# First check whether e* commands are present in the environment
if [ x$RC_GOT_FUNCTIONS = xyes -o -n "$(command -v ebegin 2>/dev/null)" ]; then
:
# Then check for the presence of functions.sh
elif [ -f /lib/gentoo/functions.sh ]; then
. /lib/gentoo/functions.sh
else
echo "/lib/gentoo/functions.sh not found. Exiting"
exit 1
fi
# runscript functions
# TODO: if another non-openrc system provides these in future, we have to
# change this structure.
if [ "$INIT" != "openrc" ]; then
# OpenRC functions used in depend
after() {
:
}
before() {
:
}
program() {
:
}
need() {
:
}
shell_var() {
local output= sanitized_arg=
for arg; do
sanitized_arg=$arg
while :; do
case $sanitized_arg in
*[!a-zA-Z0-9_]*)
sanitized_arg=${sanitized_arg%%[!a-zA-Z0-9_]*}_${sanitized_arg#*[!a-zA-Z0-9_]}
continue;;
esac
break
done
if [ x"$output" = x"" ] ; then
output=$sanitized_arg
else
output="$output $sanitized_arg"
fi
done
echo "$output"
}
net_fs_list="afs ceph cifs coda davfs fuse fuse.sshfs gfs glusterfs lustre ncpfs nfs nfs4 ocfs2 shfs smbfs"
is_net_fs()
{
[ -z "$1" ] && return 1
local fs=$(mount | grep " on $1 " | cut -f 5 -d ' ')
for x in $fs; do
for y in $net_fs_list; do
[ "$x" = "$y" ] && return 0
done
done
return 1
}
service_set_value() {
local OPTION="$1" VALUE="$2"
if [ -z "$OPTION" ]; then
eerror "service_set_value requires parameter KEY"
return
fi
local file="$OPTIONSDIR/${OPTION}"
echo "$VALUE" > $file
}
service_get_value() {
local OPTION="$1"
if [ -z "$OPTION" ]; then
eerror "service_get_value requires parameter KEY"
return
fi
local file="$OPTIONSDIR/${OPTION}"
cat $file 2>/dev/null
}
STATEFILE="${STATEDIR}/state"
# Internal Function
# Stores the state of netifrc in ${SVCDIR}/${SVCNAME}/state file
_mark_service() {
local state=$1
echo $state > $STATEFILE
}
#Internal Function
# Checks whether the state of netifrc is same as $1
_service_state() {
state=$(cat $STATEFILE 2>/dev/null)
if [ state = $1 ]; then
return 1
fi
return 0
}
mark_service_started() {
_mark_service started
}
mark_service_inactive() {
_mark_service inactive
}
mark_service_stopped() {
_mark_service stopped
}
service_started() {
_service_state started
return $?
}
service_inactive() {
_service_state inactive
return $?
}
fi
# Extracts the interface for the current invocation
get_interface() {
case $INIT in
openrc)
printf ${RC_SVCNAME#*.};;
systemd)
printf ${RC_IFACE};;
*)
eerror "Init system not supported. Aborting"
exit 1;;
esac
}
# runs a command in a network namespace
_netns()
{
local netns
eval netns="\$netns_${IFVAR}"
if [ -n "${netns}" ] && [ -e /run/netns/"${netns}" ]; then
# we always want to use the system "ip" command, not the busybox internal
local ip
if ! ip=$(command -v ip 2>/dev/null) || [ ! -x "${ip}" ]; then
eerror "Cannot use network namespaces without iproute2"
exit 1
fi
# shellcheck disable=SC2016
case "${1}" in
ip)
shift
"${ip}" -n "${netns}" "${@}"
;;
glob) "${ip}" netns exec "${netns}" /bin/sh -c 'printf "%s\\n" ${@}' "${@}";;
echo|printf) "${ip}" netns exec "${netns}" /bin/sh -c "${*}";;
*) "${ip}" netns exec "${netns}" "${@}";;
esac
else
# shellcheck disable=SC2048
case "${1}" in
ip)
shift
"${ip}" "${@}"
;;
glob)
shift
eval printf '%s\\n' "${@}"
;;
echo|printf) eval "${@}";;
*) "${@}";;
esac
fi
}
# vim: ts=4 sw=4 noexpandtab
|
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