1 files changed, 105 insertions, 0 deletions
diff --git a/modules.d/80cms/cms-write-ifcfg.sh b/modules.d/80cms/cms-write-ifcfg.sh
new file mode 100755
index 0000000..ecfd53e
--- /dev/null
+++ b/modules.d/80cms/cms-write-ifcfg.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+
+type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
+
+OLD_UMASK=$(umask)
+umask 0022
+mkdir -p /run/initramfs/state/etc/sysconfig/network-scripts
+umask "$OLD_UMASK"
+
+function cms_write_config() {
+    . /tmp/cms.conf
+    SUBCHANNELS="$(echo "$SUBCHANNELS" | sed 'y/ABCDEF/abcdef/')"
+    OLDIFS=$IFS
+    IFS=,
+    read -ra subch_array <<< "indexzero,$SUBCHANNELS"
+    IFS=$OLDIFS
+    devbusid=${subch_array[1]}
+    if [ "$NETTYPE" = "ctc" ]; then
+        driver="ctcm"
+    else
+        driver=$NETTYPE
+    fi
+
+    DEVICE=$(cd "/sys/devices/${driver}/$devbusid/net/" && set -- * && [ "$1" != "*" ] && echo "$1")
+
+    read -r uuid < /proc/sys/kernel/random/uuid
+
+    IFCFGFILE=/run/initramfs/state/etc/sysconfig/network-scripts/ifcfg-$DEVICE
+
+    strglobin "$IPADDR" '*:*:*' && ipv6=1
+
+    # to please NetworkManager on startup in loader before loader reconfigures net
+    cat > /etc/sysconfig/network << EOF
+HOSTNAME=$HOSTNAME
+EOF
+    echo "$HOSTNAME" > /etc/hostname
+    if [ "$ipv6" ]; then
+        echo "NETWORKING_IPV6=yes" >> /etc/sysconfig/network
+    else
+        echo "NETWORKING=yes" >> /etc/sysconfig/network
+    fi
+
+    cat > "$IFCFGFILE" << EOF
+DEVICE=$DEVICE
+UUID=$uuid
+ONBOOT=yes
+BOOTPROTO=static
+MTU=$MTU
+SUBCHANNELS=$SUBCHANNELS
+EOF
+    if [ "$ipv6" ]; then
+        cat >> "$IFCFGFILE" << EOF
+IPV6INIT=yes
+IPV6_AUTOCONF=no
+IPV6ADDR=$IPADDR/$NETMASK
+IPV6_DEFAULTGW=$GATEWAY
+EOF
+    else
+        cat >> "$IFCFGFILE" << EOF
+IPADDR=$IPADDR
+NETMASK=$NETMASK
+BROADCAST=$BROADCAST
+GATEWAY=$GATEWAY
+EOF
+    fi
+    if [ "$ipv6" ]; then
+        # shellcheck disable=SC2153
+        IFS="," read -r DNS1 DNS2 _ <<< "$DNS"
+    else
+        IFS=":" read -r DNS1 DNS2 _ <<< "$DNS"
+    fi
+    # real DNS config for NetworkManager to generate /etc/resolv.conf
+    [[ $DNS1 ]] && echo "DNS1=$DNS1" >> "$IFCFGFILE"
+    [[ $DNS2 ]] && echo "DNS2=$DNS2" >> "$IFCFGFILE"
+    # just to please loader's readNetInfo && writeEnabledNetInfo
+    # which eats DNS1,DNS2,... and generates it themselves based on DNS
+    if [[ $ipv6 ]]; then
+        [[ $DNS ]] && echo "DNS=\"$DNS\"" >> "$IFCFGFILE"
+    else
+        [[ $DNS ]] && echo "DNS=\"${DNS/:/,}\"" >> "$IFCFGFILE"
+    fi
+    # colons in SEARCHDNS already replaced with spaces above for /etc/resolv.conf
+    [[ $SEARCHDNS ]] && echo "DOMAIN=\"$SEARCHDNS\"" >> "$IFCFGFILE"
+    [[ $NETTYPE ]] && echo "NETTYPE=$NETTYPE" >> "$IFCFGFILE"
+    [[ $PEERID ]] && echo "PEERID=$PEERID" >> "$IFCFGFILE"
+    [[ $PORTNAME ]] && echo "PORTNAME=$PORTNAME" >> "$IFCFGFILE"
+    [[ $CTCPROT ]] && echo "CTCPROT=$CTCPROT" >> "$IFCFGFILE"
+    [[ $MACADDR ]] && echo "MACADDR=$MACADDR" >> "$IFCFGFILE"
+    optstr=""
+    for option in LAYER2 PORTNO; do
+        [ -z "${!option}" ] && continue
+        [ -n "$optstr" ] && optstr=${optstr}" "
+        optstr=${optstr}$(echo ${option} | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/')"="${!option}
+    done
+    # write single quotes since network.py removes double quotes but we need quotes
+    echo "OPTIONS='$optstr'" >> "$IFCFGFILE"
+    unset option
+    unset optstr
+    unset DNS1
+    unset DNS2
+    echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
+    echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
+}
+
+[ -f /tmp/cms.conf ] && cms_write_config