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net/ip6to4: Split to use pre_start and start so that other tunnel names work.

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We need to create interfaces of custom names before we can sucessfully
start them. To do this, we have to add tunnels during prestart instead
of start. Split up the ip6to4 script to do this, saving the computed
variables for use in start with the new service data commands.

X-Gentoo-Bug: 372575
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=372575
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
This commit is contained in:
Robin H. Johnson 2011-12-26 17:07:41 -08:00
parent 9a01f68515
commit acf77b73af
1 changed files with 22 additions and 6 deletions
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28
net/ip6to4.sh
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@ -8,8 +8,15 @@ ip6to4_depend()
after interface
}
ip6to4_start()
ip6to4_pre_start()
{
# ALL interfaces run pre_start blocks, not just those with something
# assigned, so we must check if we need to run on this interface before we
# do so.
local config
eval config=\$config_${IFVAR}
[ "$config" = "ip6to4" ] || return 0
case " ${MODULES} " in
*" ifconfig "*)
if [ "${IFACE}" != "sit0" ]; then
@ -19,7 +26,7 @@ ip6to4_start()
fi
esac
local host= suffix= relay= addr= iface=${IFACE} new= localip=
local host= suffix= relay= addr= iface=${IFACE} config_ip6to4= localip=
eval host=\$link_${IFVAR}
if [ -z "${host}" ]; then
eerror "link_${IFVAR} not set"
@ -67,7 +74,7 @@ ip6to4_start()
veinfo "Derived IPv6 address: ${ip6}"
# Now apply our IPv6 address to our config
new="${new}${new:+ }${ip6}/48"
config_ip6to4="${config_ip6to4}${config_ip6to4:+ }${ip6}/48"
if [ -n "${localip}" ]; then
localip="any"
@ -76,7 +83,7 @@ ip6to4_start()
fi
done
if [ -z "${new}" ]; then
if [ -z "${config_ip6to4}" ]; then
eerror "No global IPv4 addresses found on interface ${host}"
return 1
fi
@ -87,13 +94,22 @@ ip6to4_start()
eend $? || return 1
_up
fi
routes_ip6to4="2003::/3 via ::${relay} metric 2147483647"
service_set_value "config_ip6to4_$IFVAR" "$config_ip6to4"
service_set_value "routes_ip6to4_$IFVAR" "$routes_ip6to4"
}
ip6to4_start()
{
local config_ip6to4=$(service_get_value "config_ip6to4_$IFVAR")
local routes_ip6to4=$(service_get_value "routes_ip6to4_$IFVAR")
# Now apply our config
eval config_${config_index}=\'"${new}"\'
eval config_${config_index}=\'"${config_ip6to4}"\'
: $(( config_index -= 1 ))
# Add a route for us, ensuring we don't delete anything else
local routes="$(_get_array "routes_${IFVAR}")
2003::/3 via ::${relay} metric 2147483647"
$routes_ip6to4"
eval routes_${IFVAR}=\$routes
}