[package] base-files: make ip matching in dns add/remove functions more explicit...

[openwrt.git] / package / base-files / files / lib / network / config.sh

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 5b349a7..00e372a 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -106,7 +106,7 @@ add_dns() {
        local dns
        local add
        for dns in "$@"; do
-               grep -qsF "nameserver $dns" /tmp/resolv.conf.auto || {
+               grep -qsE "^nameserver ${dns//./\\.}$" /tmp/resolv.conf.auto || {
                        add="${add:+$add }$dns"
                        echo "nameserver $dns" >> /tmp/resolv.conf.auto
                }
@@ -126,7 +126,7 @@ remove_dns() {
                [ -f /tmp/resolv.conf.auto ] && {
                        local dns=$(uci_get_state network "$cfg" resolv_dns)
                        for dns in $dns; do
-                               sed -i -e "/^nameserver $dns$/d" /tmp/resolv.conf.auto
+                               sed -i -e "/^nameserver ${dns//./\\.}$/d" /tmp/resolv.conf.auto
                        done
                }