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lib
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dracut
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modules.d
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40network
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dhcp-root.sh
(816 B)
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ifname-genrules.sh
(1.09 KB)
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module-setup.sh
(672 B)
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net-lib.sh
(25.09 KB)
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netroot.sh
(2.61 KB)
Editing: netroot.sh
#!/bin/sh PATH=/usr/sbin:/usr/bin:/sbin:/bin command -v getarg >/dev/null || . /lib/dracut-lib.sh command -v setup_net >/dev/null || . /lib/net-lib.sh # Huh? Empty $1? [ -z "$1" ] && exit 1 # [ ! -z $2 ] means this is for manually bringing up network # instead of real netroot; If It's called without $2, then there's # no sense in doing something if no (net)root info is available # or root is already there [ -d $NEWROOT/proc ] && exit 0 if [ -z "$netroot" ]; then netroot=$(getarg netroot=) fi [ -z "$netroot" ] && exit 1 # Set or override primary interface netif=$1 [ -e "/tmp/net.bootdev" ] && read netif < /tmp/net.bootdev case "$netif" in ??:??:??:??:??:??) # MAC address for i in /sys/class/net/*/address; do mac=$(cat $i) if [ "$mac" = "$netif" ]; then i=${i%/address} netif=${i##*/} break fi done esac # Figure out the handler for root=dhcp by recalling all netroot cmdline # handlers when this is not called from manually network bringing up. if [ -z "$2" ]; then if getarg "root=dhcp" || getarg "netroot=dhcp" || getarg "root=dhcp6" || getarg "netroot=dhcp6"; then # Load dhcp options [ -e /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts # If we have a specific bootdev with no dhcpoptions or empty root-path, # we die. Otherwise we just warn if [ -z "$new_root_path" ] ; then [ -n "$BOOTDEV" ] && die "No dhcp root-path received for '$BOOTDEV'" warn "No dhcp root-path received for '$netif' trying other interfaces if available" exit 1 fi rm -f -- $hookdir/initqueue/finished/dhcp.sh # Set netroot to new_root_path, so cmdline parsers don't call netroot=$new_root_path # FIXME! unset rootok for f in $hookdir/cmdline/90*.sh; do [ -f "$f" ] && . "$f"; done else rootok="1" fi # Check: do we really know how to handle (net)root? [ -z "$root" ] && die "No or empty root= argument" [ -z "$rootok" ] && die "Don't know how to handle 'root=$root'" handler=${netroot%%:*} handler=${handler%%4} handler=$(command -v ${handler}root) if [ -z "$netroot" ] || [ ! -e "$handler" ] ; then die "No handler for netroot type '$netroot'" fi fi # Source netroot hooks before we start the handler source_hook netroot $netif # Run the handler; don't store the root, it may change from device to device # XXX other variables to export? [ -n "$handler" ] && "$handler" "$netif" "$netroot" "$NEWROOT" save_netinfo $netif exit 0
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