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Code Issues

base-files: ensure that the ip6addr of the main interface stays the primary ip by re-adding it after alias setup is completed - patch by Alina Friedrichsen

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SVN-Revision: 19303
This commit is contained in:
Jo-Philipp Wich 2010-01-23 22:56:07 +00:00
parent e0fa9a4881
commit 8d0bb8f5dd
1 changed files with 28 additions and 20 deletions
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48
package/base-files/files/lib/network/config.sh
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@ -233,48 +233,50 @@ setup_interface_alias() {
}
setup_interface() {
local iface="$1"
local iface_main="$1"
local config="$2"
local proto="$3"
local vifmac="$4"
local ip6addr_main=
[ -n "$config" ] || {
config=$(find_config "$iface")
config=$(find_config "$iface_main")
[ "$?" = 0 ] || return 1
}
prepare_interface "$iface" "$config" "$vifmac" || return 0
prepare_interface "$iface_main" "$config" "$vifmac" || return 0
[ "$iface" = "br-$config" ] && {
[ "$iface_main" = "br-$config" ] && {
# need to bring up the bridge and wait a second for
# it to switch to the 'forwarding' state, otherwise
# it will lose its routes...
ifconfig "$iface" up
ifconfig "$iface_main" up
sleep 1
}
# Interface settings
grep "$iface:" /proc/net/dev > /dev/null && {
grep "$iface_main:" /proc/net/dev > /dev/null && {
local mtu macaddr
config_get mtu "$config" mtu
config_get macaddr "$config" macaddr
[ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down
$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
[ -n "$macaddr" ] && $DEBUG ifconfig "$iface_main" down
$DEBUG ifconfig "$iface_main" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
}
set_interface_ifname "$config" "$iface"
set_interface_ifname "$config" "$iface_main"
pidfile="/var/run/$iface.pid"
pidfile="/var/run/$iface_main.pid"
[ -n "$proto" ] || config_get proto "$config" proto
case "$proto" in
static)
setup_interface_static "$iface" "$config"
config_get ip6addr_main "$config" ip6addr
setup_interface_static "$iface_main" "$config"
;;
dhcp)
# prevent udhcpc from starting more than once
lock "/var/lock/dhcp-$iface"
lock "/var/lock/dhcp-$iface_main"
local pid="$(cat "$pidfile" 2>/dev/null)"
if [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null; then
lock -u "/var/lock/dhcp-$iface"
lock -u "/var/lock/dhcp-$iface_main"
else
local ipaddr netmask hostname proto1 clientid
config_get ipaddr "$config" ipaddr
@ -284,21 +286,21 @@ setup_interface() {
config_get clientid "$config" clientid
[ -z "$ipaddr" ] || \
$DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
$DEBUG ifconfig "$iface_main" "$ipaddr" ${netmask:+netmask "$netmask"}
# don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
local dhcpopts
[ ."$proto1" != ."$proto" ] && dhcpopts="-n -q"
$DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
lock -u "/var/lock/dhcp-$iface"
$DEBUG eval udhcpc -t 0 -i "$iface_main" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -O rootpath -R &}
lock -u "/var/lock/dhcp-$iface_main"
fi
;;
none)
setup_interface_none "$iface" "$config"
setup_interface_none "$iface_main" "$config"
;;
*)
if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
eval "setup_interface_$proto '$iface' '$config' '$proto'"
eval "setup_interface_$proto '$iface_main' '$config' '$proto'"
else
echo "Interface type $proto not supported."
return 1
@ -306,7 +308,7 @@ setup_interface() {
;;
esac
[ "$proto" = none ] || {
for ifn in `ifconfig | grep "^$iface:" | awk '{print $1}'`; do
for ifn in `ifconfig | grep "^$iface_main:" | awk '{print $1}'`; do
ifconfig "$ifn" down
done
}
@ -314,9 +316,15 @@ setup_interface() {
local aliases
config_set "$config" aliases ""
config_set "$config" alias_count 0
config_foreach setup_interface_alias alias "$config" "$iface"
config_foreach setup_interface_alias alias "$config" "$iface_main"
config_get aliases "$config" aliases
[ -z "$aliases" ] || uci_set_state network "$config" aliases "$aliases"
# put the ip6addr back to the beginning to become the main ip again
[ -z "$ip6addr_main" ] || {
$DEBUG ifconfig "$iface_main" del "$ip6addr_main"
$DEBUG ifconfig "$iface_main" add "$ip6addr_main"
}
}
unbridge() {