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# Christian Fischer <spaetzle@freewrt.org> |
# Christian Fischer <spaetzle@freewrt.org> |
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# |
# |
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IFACE_LOGICAL=1 |
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RT_PREUP_IFUP_CHECK_OFF=1 |
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iface_type() { |
iface_type() { |
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if [ "$MODE" = "start" ] |
if [[ $MODE = start ]]; then |
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then |
[[ -n $IF_BRIDGE_IFACES ]] |
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[ -n "$IF_BRIDGE_IFACES" ] |
return |
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else |
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[ "$(brctl show 2>&- | sed -n -e "/^${IFACE}/ { s/[[:space:]].*//gp }")" = "$IFACE" ] |
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fi |
fi |
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bridge_exists |
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} |
} |
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bridge_ifaces() { |
bridge_ifaces() { |
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brctl show 2>&- | sed -n -e "/^${IFACE}[[:space:]]/,/^\S/{ /^\(${IFACE}[[:space:]]\|[[:space:]]\)/s/^.*[[:space:]]//p }" |
brctl show 2>&- | \ |
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|
sed -n -e "/^${IFACE}[[:space:]]/,/^\S/{ /^\(${IFACE}[[:space:]]\|[[:space:]]\)/s/^.*[[:space:]]//p }" |
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} |
} |
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|
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bridge_exists() { |
bridge_exists() { |
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[ "$(brctl show 2>&- | sed -n -e "/^${IFACE}/ { s/[[:space:]].*//gp }")" = "$IFACE" ] |
[[ $IFACE = $(brctl show 2>&- | sed -n -e "/^${IFACE}/ { s/[[:space:]].*//gp }") ]] |
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} |
} |
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bridge_depup() { |
bridge_depup() { |
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local err |
local err |
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for IF in $ifacelist; do |
for IF in $ifacelist; do |
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madd $IF |
madd $IF |
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if ! err=$(brctl addif $IFACE $IF 2>&1 1>&-) |
err=$(brctl addif $IFACE $IF 2>&1 1>&-) |
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then |
mstate $? && continue |
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mstate 1 |
merr $err |
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merr $err |
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continue |
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fi |
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mstate 0 |
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done |
done |
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} |
} |
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bridge_delif() { |
bridge_delif() { |
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local err retval=0 |
local err retval=0 |
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for IF in $(bridge_ifaces) |
for IF in $(bridge_ifaces); do |
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do |
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mremove $IF |
mremove $IF |
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if ! err=$(brctl delif $IFACE $IF 2>&1 1>&-) |
err=$(brctl delif $IFACE $IF 2>&1 1>&-) |
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then |
mstate $? || { merr $err; continue;} |
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mstate 1 |
# remove bridge ends without assigned ip |
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merr $err |
ip a | grep inet | grep -q $IF && continue |
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retval=1 |
ifdown $IF |
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else |
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mstate 0 |
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# remove bridge ends without assigned ip |
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if ! ip a | grep inet | grep -q $IF |
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then |
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ifdown $IF |
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fi |
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fi |
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done |
done |
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return $retval |
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} |
} |
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bridge_create() { |
bridge_create() { |
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local err |
local err |
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mcreate |
mcreate |
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if ! err=$(brctl addbr $IFACE 2>&1 1>&-) |
err=$(brctl addbr $IFACE 2>&1 1>&-) |
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then |
mstate $? && return |
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mstate 1 |
merr $err |
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merr $err |
return 1 |
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return 1 |
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fi |
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mstate 0 |
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} |
} |
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bridge_destroy() { |
bridge_destroy() { |
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local err |
local err |
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mdestroy |
mdestroy |
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if ! err=$(brctl delbr $IFACE 2>&1 1>&-) |
err=$(brctl delbr $IFACE 2>&1 1>&-) |
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then |
mstate $? && return |
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mstate 1 |
merr $err |
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merr $err |
return 1 |
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return 1 |
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fi |
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mstate 0 |
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} |
} |
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if_preup() { |
prereq_preup() { |
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if ! [ -x "$(which brctl)" ] |
if ! [[ -x $(whence -p brctl) ]]; then |
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then |
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mcreate |
mcreate |
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mstate 1 |
mstate 1 |
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merr "brctl executable not found" |
merr "brctl not found" |
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return 1 |
return 1 |
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fi |
fi |
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|
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if iface_exists |
iface_exists || return 0 |
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then |
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mcreate |
mcreate |
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mstate 1 |
mstate 1 |
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if ! bridge_exists |
if bridge_exists; then |
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then |
merr "Interface already created" |
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merr "Interface of this name already exists, cannot create bridge ${IFACE}" |
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return 1 |
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fi |
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merr "Bridge already created" |
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return 1 |
return 1 |
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fi |
fi |
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merr "Interface of this name already created" |
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return 1 |
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} |
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prereq_down() { |
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bridge_exists && return |
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mdestroy |
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mstate 1 |
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merr "No such device" |
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return 1 |
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} |
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bridge_create || return 1 |
if_preup() { |
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bridge_create || return |
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bridge_depup |
bridge_depup |
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bridge_addif |
bridge_addif |
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} |
} |
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true >/tmp/ifupdown/ifstate/bridge/$IFACE |
true >/tmp/ifupdown/ifstate/bridge/$IFACE |
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} |
} |
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if_down() { |
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if ! bridge_exists |
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then |
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mdestroy |
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mstate 1 |
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merr "Bridge doesn't exist" |
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return 1 |
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fi |
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} |
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if_postdown() { |
if_postdown() { |
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bridge_delif |
bridge_delif |
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bridge_destroy |
bridge_destroy |