modules.d/80cms/cms-write-ifcfg.sh

   1 #!/bin/bash
   2
   3 type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
   4
   5 mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
   6
   7 function cms_write_config()
   8 {
   9     . /tmp/cms.conf
  10     SUBCHANNELS="$(echo $SUBCHANNELS | sed 'y/ABCDEF/abcdef/')"
  11     OLDIFS=$IFS
  12     IFS=,
  13     read -a subch_array <<< "indexzero,$SUBCHANNELS"
  14     IFS=$OLDIFS
  15     devbusid=${subch_array[1]}
  16     if [ "$NETTYPE" = "ctc" ]; then
  17         driver="ctcm"
  18     else
  19         driver=$NETTYPE
  20     fi
  21
  22     DEVICE=$(cd /sys/devices/${driver}/$devbusid/net/ && set -- * && [ "$1" != "*" ] && echo $1)
  23
  24     uuid=$(cat /proc/sys/kernel/random/uuid)
  25
  26     IFCFGFILE=/run/initramfs/state/etc/sysconfig/network-scripts/ifcfg-$DEVICE
  27
  28     strglobin "$IPADDR" '*:*:*' && ipv6=1
  29
  30 # to please NetworkManager on startup in loader before loader reconfigures net
  31     cat > /etc/sysconfig/network << EOF
  32 HOSTNAME=$HOSTNAME
  33 EOF
  34     echo "$HOSTNAME" > /etc/hostname
  35     if [ "$ipv6" ]; then
  36         echo "NETWORKING_IPV6=yes" >> /etc/sysconfig/network
  37     else
  38         echo "NETWORKING=yes" >> /etc/sysconfig/network
  39     fi
  40
  41     cat > $IFCFGFILE << EOF
  42 DEVICE=$DEVICE
  43 UUID=$uuid
  44 ONBOOT=yes
  45 BOOTPROTO=static
  46 MTU=$MTU
  47 SUBCHANNELS=$SUBCHANNELS
  48 EOF
  49     if [ "$ipv6" ]; then
  50         cat >> $IFCFGFILE << EOF
  51 IPV6INIT=yes
  52 IPV6_AUTOCONF=no
  53 IPV6ADDR=$IPADDR/$NETMASK
  54 IPV6_DEFAULTGW=$GATEWAY
  55 EOF
  56     else
  57         cat >> $IFCFGFILE << EOF
  58 IPADDR=$IPADDR
  59 NETMASK=$NETMASK
  60 BROADCAST=$BROADCAST
  61 GATEWAY=$GATEWAY
  62 EOF
  63     fi
  64     if [ "$ipv6" ]; then
  65         DNS1=$(set -- ${DNS/,/ }; echo $1)
  66         DNS2=$(set -- ${DNS/,/ }; echo $2)
  67     else
  68         DNS1=$(set -- ${DNS/:/ }; echo $1)
  69         DNS2=$(set -- ${DNS/:/ }; echo $2)
  70     fi
  71 # real DNS config for NetworkManager to generate /etc/resolv.conf
  72     [ "$DNS1" != "" ] && echo "DNS1=$DNS1" >> $IFCFGFILE
  73     [ "$DNS2" != "" ] && echo "DNS2=$DNS2" >> $IFCFGFILE
  74 # just to please loader's readNetInfo && writeEnabledNetInfo
  75 # which eats DNS1,DNS2,... and generates it themselves based on DNS
  76     if [ "$ipv6" ]; then
  77         [ "$DNS" != "" ] && echo "DNS=\"$DNS\"" >> $IFCFGFILE
  78     else
  79         [ "$DNS" != "" ] && echo "DNS=\"${DNS/:/,}\"" >> $IFCFGFILE
  80     fi
  81 # colons in SEARCHDNS already replaced with spaces above for /etc/resolv.conf
  82     [ "$SEARCHDNS" != "" ] && echo "DOMAIN=\"$SEARCHDNS\"" >> $IFCFGFILE
  83     [ "$NETTYPE" != "" ] && echo "NETTYPE=$NETTYPE" >> $IFCFGFILE
  84     [ "$PEERID" != "" ] && echo "PEERID=$PEERID" >> $IFCFGFILE
  85     [ "$PORTNAME" != "" ] && echo "PORTNAME=$PORTNAME" >> $IFCFGFILE
  86     [ "$CTCPROT" != "" ] && echo "CTCPROT=$CTCPROT" >> $IFCFGFILE
  87     [ "$MACADDR" != "" ] && echo "MACADDR=$MACADDR" >> $IFCFGFILE
  88     optstr=""
  89     for option in LAYER2 PORTNO; do
  90         [ -z "${!option}" ] && continue
  91         [ -n "$optstr" ] && optstr=${optstr}" "
  92         optstr=${optstr}$(echo ${option} | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')"="${!option}
  93     done
  94 # write single quotes since network.py removes double quotes but we need quotes
  95     echo "OPTIONS='$optstr'" >> $IFCFGFILE
  96     unset option
  97     unset optstr
  98     unset DNS1
  99     unset DNS2
 100     echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
 101     echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
 102 }
 103
 104 [ -f /tmp/cms.conf ] && cms_write_config