This file is indexed.

/usr/lib/dracut/modules.d/40network/module-setup.sh is in dracut-network 040+1-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/bash

# called by dracut
check() {
    local _program

    require_binaries ip arping dhclient || return 1

    return 255
}

# called by dracut
depends() {
    return 0
}

# called by dracut
installkernel() {
    # Include wired net drivers, excluding wireless

    net_module_filter() {
        local _net_drivers='eth_type_trans|register_virtio_device|usbnet_open'
        local _unwanted_drivers='/(wireless|isdn|uwb|net/ethernet|net/phy|net/team)/'
        local _ret
        # subfunctions inherit following FDs
        local _merge=8 _side2=9
        function nmf1() {
            local _fname _fcont
            while read _fname; do
                [[ $_fname =~ $_unwanted_drivers ]] && continue
                case "$_fname" in
                    *.ko)    _fcont="$(<        $_fname)" ;;
                    *.ko.gz) _fcont="$(gzip -dc $_fname)" ;;
                    *.ko.xz) _fcont="$(xz -dc   $_fname)" ;;
                esac
                [[   $_fcont =~ $_net_drivers
                && ! $_fcont =~ iw_handler_get_spy ]] \
                && echo "$_fname"
            done
            return 0
        }
        function rotor() {
            local _f1 _f2
            while read _f1; do
                echo "$_f1"
                if read _f2; then
                    echo "$_f2" 1>&${_side2}
                fi
            done | nmf1 1>&${_merge}
            return 0
        }
        # Use two parallel streams to filter alternating modules.
        set +x
        eval "( ( rotor ) ${_side2}>&1 | nmf1 ) ${_merge}>&1"
        [[ $debug ]] && set -x
        return 0
    }

    { find_kernel_modules_by_path drivers/net; if [ "$_arch" = "s390" -o "$_arch" = "s390x" ]; then find_kernel_modules_by_path drivers/s390/net; fi; } \
        | net_module_filter | instmods

    #instmods() will take care of hostonly
    instmods \
        =drivers/net/phy \
        =drivers/net/team \
        =drivers/net/ethernet \
        ecb arc4 bridge stp llc ipv6 bonding 8021q af_packet virtio_net
}

# called by dracut
install() {
    local _arch _i _dir
    inst_multiple ip arping dhclient sed
    inst_multiple -o ping ping6
    inst_multiple -o brctl
    inst_multiple -o teamd teamdctl teamnl
    inst_simple /etc/libnl/classid
    inst_script "$moddir/ifup.sh" "/sbin/ifup"
    inst_script "$moddir/netroot.sh" "/sbin/netroot"
    inst_script "$moddir/dhclient-script.sh" "/sbin/dhclient-script"
    inst_simple "$moddir/net-lib.sh" "/lib/net-lib.sh"
    inst_simple "$moddir/dhclient.conf" "/etc/dhclient.conf"
    inst_hook pre-udev 50 "$moddir/ifname-genrules.sh"
    inst_hook pre-udev 60 "$moddir/net-genrules.sh"
    inst_hook cmdline 91 "$moddir/dhcp-root.sh"
    inst_hook cmdline 92 "$moddir/parse-ibft.sh"
    inst_hook cmdline 95 "$moddir/parse-vlan.sh"
    inst_hook cmdline 96 "$moddir/parse-bond.sh"
    inst_hook cmdline 96 "$moddir/parse-team.sh"
    inst_hook cmdline 97 "$moddir/parse-bridge.sh"
    inst_hook cmdline 98 "$moddir/parse-ip-opts.sh"
    inst_hook cmdline 99 "$moddir/parse-ifname.sh"
    inst_hook cleanup 10 "$moddir/kill-dhclient.sh"

    _arch=$(uname -m)

    inst_libdir_file {"tls/$_arch/",tls/,"$_arch/",}"libnss_dns.so.*" \
        {"tls/$_arch/",tls/,"$_arch/",}"libnss_mdns4_minimal.so.*"

    dracut_need_initqueue
}