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#!/usr/bin/sh # # Format: # ip=[dhcp\|on\|any\|single-dhcp] # # ip=<interface>:[dhcp\|on\|any][:[<mtu>][:<macaddr>]] # # ip=<client-IP-number>:<server-IP-number>:<gateway-IP-number>:<netmask>:<client-hostname>:<interface>:{dhcp\|on\|any\|none\|off}[:[<mtu>][:<macaddr>]] # # When supplying more than only ip= line, <interface> is mandatory and # bootdev= must contain the name of the primary interface to use for # routing,dns,dhcp-options,etc. # command -v getarg > /dev/null \|\| . /lib/dracut-lib.sh if [ -n "$netroot" ] && [ -z "$(getarg ip=)" ] && [ -z "$(getarg BOOTIF=)" ]; then # No ip= argument(s) for netroot provided, defaulting to DHCP return fi # Count ip= lines to decide whether we need bootdev= or not if [ -z "$NEEDBOOTDEV" ]; then count=0 for p in $(getargs ip=); do case "$p" in ibft) continue ;; esac count=$((count + 1)) done [ $count -gt 1 ] && NEEDBOOTDEV=1 fi unset count # If needed, check if bootdev= contains anything usable BOOTDEV=$(getarg bootdev=) if [ -n "$NEEDBOOTDEV" ] && getargbool 1 rd.neednet; then #[ -z "$BOOTDEV" ] && warn "Please supply bootdev argument for multiple ip= lines" echo "rd.neednet=1" > /etc/cmdline.d/dracut-neednet.conf info "Multiple ip= arguments: assuming rd.neednet=1" else unset NEEDBOOTDEV fi # Check ip= lines # XXX Would be nice if we could errorcheck ip addresses here as well for p in $(getargs ip=); do ip_to_var "$p" # make first device specified the BOOTDEV if [ -n "$NEEDBOOTDEV" ] && [ -z "$BOOTDEV" ] && [ -n "$dev" ]; then BOOTDEV="$dev" info "Setting bootdev to '$BOOTDEV'" fi # skip ibft since we did it above [ "$autoconf" = "ibft" ] && continue # Empty autoconf defaults to 'dhcp' if [ -z "$autoconf" ]; then warn "Empty autoconf values default to dhcp" autoconf="dhcp" fi # Error checking for autoconf in combination with other values for autoopt in $(str_replace "$autoconf" "," " "); do case $autoopt in error) die "Error parsing option 'ip=$p'" ;; bootp \| rarp \| both) die "Sorry, ip=$autoopt is currenty unsupported" ;; none \| off) [ -z "$ip" ] \ && die "For argument 'ip=$p'\nValue '$autoopt' without static configuration does not make sense" [ -z "$mask" ] \ && die "Sorry, automatic calculation of netmask is not yet supported" ;; auto6 \| link6) ;; either6) ;; dhcp \| dhcp6 \| on \| any \| single-dhcp) [ -n "$NEEDBOOTDEV" ] && [ -z "$dev" ] \ && die "Sorry, 'ip=$p' does not make sense for multiple interface configurations" [ -n "$ip" ] \ && die "For argument 'ip=$p'\nSorry, setting client-ip does not make sense for '$autoopt'" ;; ) die "For argument 'ip=$p'\nSorry, unknown value '$autoopt'" ;; esac done if [ -n "$dev" ]; then # We don't like duplicate device configs if [ -n "$IFACES" ]; then for i in $IFACES; do [ "$dev" = "$i" ] && die "For argument 'ip=$p'\nDuplication configurations for '$dev'" done fi # IFACES list for later use IFACES="$IFACES $dev" # Interface should exist if [ ! -e "/sys/class/net/$dev" ]; then warn "Network interface '$dev' does not exist" fi fi # Do we need to check for specific options? if [ -n "$NEEDDHCP" ] \|\| [ -n "$DHCPORSERVER" ]; then # Correct device? (Empty is ok as well) [ "$dev" = "$BOOTDEV" ] \|\| continue # Server-ip is there? [ -n "$DHCPORSERVER" ] && [ -n "$srv" ] && continue # dhcp? (It's simpler to check for a set ip. Checks above ensure that if # ip is there, we're static [ -z "$ip" ] && continue # Not good! die "Server-ip or dhcp for netboot needed, but current arguments say otherwise" fi if str_starts "$dev" "enx" && [ ${#dev} -eq 15 ]; then # shellcheck disable=SC2003 printf -- "ifname=%s:%s:%s:%s:%s:%s:%s\n" \ "$dev" \ "$(expr substr "$dev" 3 2)" \ "$(expr substr "$dev" 5 2)" \ "$(expr substr "$dev" 7 2)" \ "$(expr substr "$dev" 9 2)" \ "$(expr substr "$dev" 11 2)" \ "$(expr substr "$dev" 13 2)" \ >> /etc/cmdline.d/80-enx.conf fi done # put BOOTIF in IFACES to make sure it comes up if getargbool 1 "rd.bootif" && BOOTIF="$(getarg BOOTIF=)"; then BOOTDEV=$(fix_bootif "$BOOTIF") IFACES="$BOOTDEV $IFACES" fi # This ensures that BOOTDEV is always first in IFACES if [ -n "$BOOTDEV" ] && [ -n "$IFACES" ]; then IFACES="${IFACES%$BOOTDEV} ${IFACES#*$BOOTDEV}" IFACES="$BOOTDEV $IFACES" fi # Store BOOTDEV and IFACES for later use [ -n "$BOOTDEV" ] && echo "$BOOTDEV" > /tmp/net.bootdev [ -n "$IFACES" ] && echo "$IFACES" > /tmp/net.ifaces

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