Add scripts for adding/removing standard exceptions

DNSCrypt-Preference-Pane/DNSCrypt/extra/usr/scripts/common.inc

@@ -23,6 +23,8 @@ INTERFACE_PROXY_MASK="24"
 INTERFACE_PROBES="127.0.0.55"
 INTERFACE_PROBES_MASK="24"
 
+DOMAINS_EXCEPTIONS='routerlogin.net lan local localdomain private intranet'
+
 export PATH="${DNSCRYPT_USR_BASE_DIR}/bin:${DNSCRYPT_USR_BASE_DIR}/scripts:$PATH"
 
 init_interfaces() {

DNSCrypt-Preference-Pane/DNSCrypt/extra/usr/scripts/exceptions-add.sh

@@ -0,0 +1,35 @@
+#! /bin/sh
+
+RESOLVER_DIR='/etc/resolver'
+
+. ./common.inc
+
+get_gw() {
+  route -n get default | while read line; do
+    case "$line" in
+      gateway:\ *)
+        echo "$line" | sed 's/ *gateway: *//'
+        return
+      ;;
+    esac
+  done
+}
+
+get_dhcp_dns() {
+  cat "${STATES_DIR}/dhcp-dns" 2> /dev/null
+}
+
+name_servers=$(get_dhcp_dns || get_gw)
+
+[ x"$name_servers" = 'x' ] && exit 0
+
+mkdir -p "$RESOLVER_DIR" || exit 1
+
+name_server="$gw"
+for domain in $DOMAINS_EXCEPTIONS; do
+  echo '# automatically generated by the dnscrypt user interface' \
+    > "${RESOLVER_DIR}/${domain}"
+  for name_server in $name_servers; do
+    echo "nameserver ${name_server}" >> "${RESOLVER_DIR}/${domain}"
+  done
+done

DNSCrypt-Preference-Pane/DNSCrypt/extra/usr/scripts/exceptions-remove.sh

@@ -0,0 +1,9 @@
+#! /bin/sh
+
+RESOLVER_DIR='/etc/resolver'
+
+. ./common.inc
+
+for domain in $DOMAINS_EXCEPTIONS; do
+  rm -f "${RESOLVER_DIR}/${domain}"
+done