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fix for broken ipv6
author
Ian Kelling
<ian@iankelling.org>
Sun, 10 Mar 2024 04:55:17 +0000
(23:55 -0500)
committer
Ian Kelling
<ian@iankelling.org>
Sun, 10 Mar 2024 04:55:17 +0000
(23:55 -0500)
dynamic-ip-update
patch
|
blob
|
history
diff --git
a/dynamic-ip-update
b/dynamic-ip-update
index 6c12ccb60fa0d4531883840b5037d8701d2c4779..c725682b5e02b63eda4d9d80305cc97b28d81b84 100755
(executable)
--- a/
dynamic-ip-update
+++ b/
dynamic-ip-update
@@
-101,7
+101,7
@@
main() {
fi
return 0
fi
fi
return 0
fi
- if ip4=$(curl -s4 https://iankelling.org/cgi/pubip); then
+ if ip4=$(curl -
-connect-timeout 10 -
s4 https://iankelling.org/cgi/pubip); then
if $force || [[ $cur4 && $ip4 && $cur4 != $ip4 ]]; then
up4=true # update ipv4
fi
if $force || [[ $cur4 && $ip4 && $cur4 != $ip4 ]]; then
up4=true # update ipv4
fi
@@
-113,7
+113,7
@@
main() {
up6=false
up6=false
- out6=$(curl -s6 https://iankelling.org/cgi/pubip) ||: # failure allowed if we have no ipv6
+ out6=$(curl -
-connect-timeout 10 -
s6 https://iankelling.org/cgi/pubip) ||: # failure allowed if we have no ipv6
if [[ $out6 ]]; then
dev=$(ip -o a show to $out6 | awk '{print $2}')
if [[ $out6 ]]; then
dev=$(ip -o a show to $out6 | awk '{print $2}')
@@
-132,6
+132,12
@@
main() {
up6=true
fi
up6=true
fi
+ # if we failed to get our ipv6 addr, we probably have ipv6
+ # connectivity problem.
+ if [[ ! $ip6 ]]; then
+ ip_arg=-4
+ fi
+
if ! $up4 && ! $up6; then
return 0
fi
if ! $up4 && ! $up6; then
return 0
fi
@@
-175,9
+181,9
@@
answer
quit
EOF
quit
EOF
-
nsupdate
-k /p/c/machine_specific/vps/filesystem/etc/bind/Kb8.nz.*.private <$f || nsupdate_fails=$((nsupdate_fails + 1))
+
chronic nsupdate $ip_arg
-k /p/c/machine_specific/vps/filesystem/etc/bind/Kb8.nz.*.private <$f || nsupdate_fails=$((nsupdate_fails + 1))
sed -i 's/^server .*/server bk.b8.nz/' $f
sed -i 's/^server .*/server bk.b8.nz/' $f
-
nsupdate
-k /p/c/machine_specific/vps/filesystem/etc/bind/Kb8.nz.*.private <$f || nsupdate_fails=$((nsupdate_fails + 1))
+
chronic nsupdate $ip_arg
-k /p/c/machine_specific/vps/filesystem/etc/bind/Kb8.nz.*.private <$f || nsupdate_fails=$((nsupdate_fails + 1))
if (( nsupdate_fails > nsupdate_fail_limit )); then
echo error: nsupdate is persistently failing >&2
exit 1
if (( nsupdate_fails > nsupdate_fail_limit )); then
echo error: nsupdate is persistently failing >&2
exit 1