/usr/lib/dracut/modules.d/40network/parse-ifname.sh is in dracut-network 020-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
#
# Format:
# ifname=<interface>:<mac>
#
# Note letters in the macaddress must be lowercase!
#
# Examples:
# ifname=eth0:4a:3f:4c:04:f8:d7
#
# Note when using ifname= to get persistent interface names, you must specify
# an ifname= argument for each interface used in an ip= or fcoe= argument
# check if there are any ifname parameters
if ! getarg ifname= >/dev/null ; then
return
fi
parse_ifname_opts() {
local IFS=:
set $1
case $# in
7)
ifname_if=$1
# udev requires MAC addresses to be lower case
ifname_mac=$(echo $2:$3:$4:$5:$6:$7 | sed 'y/ABCDEF/abcdef/')
;;
*)
die "Invalid arguments for ifname="
;;
esac
}
# Check ifname= lines
for p in $(getargs ifname=); do
parse_ifname_opts $p
done
|