modules.d/40network/module-setup.sh

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4
   5 check() {
   6     local _program
   7     . $dracutfunctions
   8
   9     for _program in ip arping dhclient ; do
  10         if ! type -P $_program >/dev/null; then
  11             derror "Could not find program \"$_program\" required by network."
  12             return 1
  13         fi
  14     done
  15
  16     return 255
  17 }
  18
  19 depends() {
  20     [ -d /etc/sysconfig/network-scripts/ ] && echo ifcfg
  21     return 0
  22 }
  23
  24 installkernel() {
  25     # Include wired net drivers, excluding wireless
  26
  27     net_module_filter() {
  28         local _net_drivers='eth_type_trans|register_virtio_device'
  29         local _unwanted_drivers='/(wireless|isdn|uwb)/'
  30         # subfunctions inherit following FDs
  31         local _merge=8 _side2=9
  32         function nmf1() {
  33             local _fname _fcont
  34             while read _fname; do
  35                 [[ $_fname =~ $_unwanted_drivers ]] && continue
  36                 case "$_fname" in
  37                     *.ko)    _fcont="$(<        $_fname)" ;;
  38                     *.ko.gz) _fcont="$(gzip -dc $_fname)" ;;
  39                     *.ko.xz) _fcont="$(xz -dc   $_fname)" ;;
  40                 esac
  41                 [[   $_fcont =~ $_net_drivers
  42                 && ! $_fcont =~ iw_handler_get_spy ]] \
  43                 && echo "$_fname"
  44             done
  45         }
  46         function rotor() {
  47             local _f1 _f2
  48             while read _f1; do
  49                 echo "$_f1"
  50                 if read _f2; then
  51                     echo "$_f2" 1>&${_side2}
  52                 fi
  53             done | nmf1 1>&${_merge}
  54         }
  55         # Use two parallel streams to filter alternating modules.
  56         set +x
  57         eval "( ( rotor ) ${_side2}>&1 | nmf1 ) ${_merge}>&1"
  58         [[ $debug ]] && set -x
  59     }
  60
  61     { find_kernel_modules_by_path drivers/net; find_kernel_modules_by_path drivers/s390/net; } \
  62         | net_module_filter | instmods
  63
  64     instmods ecb arc4
  65     # bridge modules
  66     instmods bridge stp llc
  67     instmods ipv6
  68     # bonding
  69     instmods bonding
  70 }
  71
  72 install() {
  73     local _arch _i _dir
  74     dracut_install ip arping tr dhclient
  75     dracut_install -o brctl ifenslave
  76     inst "$moddir/ifup" "/sbin/ifup"
  77     inst "$moddir/netroot" "/sbin/netroot"
  78     inst "$moddir/dhclient-script" "/sbin/dhclient-script"
  79     inst "$moddir/net-lib.sh" "/lib/net-lib.sh"
  80     inst_simple "$moddir/dhclient.conf" "/etc/dhclient.conf"
  81     inst_hook pre-udev 50 "$moddir/ifname-genrules.sh"
  82     inst_hook pre-udev 60 "$moddir/net-genrules.sh"
  83     inst_hook cmdline 91 "$moddir/dhcp-root.sh"
  84     inst_hook cmdline 96 "$moddir/parse-bond.sh"
  85     inst_hook cmdline 97 "$moddir/parse-bridge.sh"
  86     inst_hook cmdline 98 "$moddir/parse-ip-opts.sh"
  87     inst_hook cmdline 99 "$moddir/parse-ifname.sh"
  88     inst_hook pre-pivot 10 "$moddir/kill-dhclient.sh"
  89
  90     _arch=$(uname -m)
  91
  92     for _dir in "$usrlibdir/tls/$_arch" "$usrlibdir/tls" "$usrlibdir/$_arch" \
  93         "$usrlibdir" "$libdir"; do
  94         for _i in "$_dir"/libnss_dns.so.* "$_dir"/libnss_mdns4_minimal.so.*; do
  95             [ -e "$_i" ] && dracut_install "$_i"
  96         done
  97     done
  98
  99 }
 100