Mercurial > hg > dhcpcd
diff hooks/20-resolv.conf @ 5572:aae13416e9b7 draft
20-resolv.conf: Don't call resolvconf -c if we didn't call -C
This solves the warnings on all OS other than Linux who don't have
a supporting resolvconf for deprecating DNS because they never
emit the NOCARRIER_ROAMING reason.
| author | Roy Marples <roy@marples.name> |
|---|---|
| date | Sun, 27 Dec 2020 22:31:02 +0000 |
| parents | 4fe5c2a71254 |
| children |
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--- a/hooks/20-resolv.conf Sun Dec 27 22:04:45 2020 +0000 +++ b/hooks/20-resolv.conf Sun Dec 27 22:31:02 2020 +0000 @@ -7,6 +7,7 @@ # or dnsmasq. This is important as the libc resolver isn't that powerful. resolv_conf_dir="$state_dir/resolv.conf" +nocarrier_roaming_dir="$state_dir/roaming" NL=" " : ${resolvconf:=resolvconf} @@ -205,9 +206,16 @@ if $if_configured; then if $have_resolvconf && [ "$reason" = NOCARRIER_ROAMING ]; then + # avoid calling resolvconf -c on CARRIER unless we roam + mkdir -p "$nocarrier_roaming_dir" + echo " " >"$nocarrier_roaming_dir/$interface" "$resolvconf" -C "$interface.*" elif $have_resolvconf && [ "$reason" = CARRIER ]; then - "$resolvconf" -c "$interface.*" + # Not all resolvconf implementations support -c + if [ -e "$nocarrier_roaming_dir/$interface" ]; then + rm -f "$nocarrier_roaming_dir/$interface" + "$resolvconf" -c "$interface.*" + fi elif $if_up || [ "$reason" = ROUTERADVERT ]; then add_resolv_conf elif $if_down; then