release/src-rt-6.x.4708/router/dnscrypt/resolvers-check.sh

   1 #! /bin/sh
   2
   3 RESOLVERS_LIST=dnscrypt-resolvers.csv
   4 ONLINE_RESOLVERS_LIST=dnscrypt-online-resolvers.csv
   5 DNSCRYPT_PROXY=dnscrypt-proxy
   6 MARGIN=720
   7 CSV_FILE="$(dirname $0)/${RESOLVERS_LIST}"
   8
   9 tmpfile=$(mktemp .${ONLINE_RESOLVERS_LIST}.XXXXXXXXXXXX) || exit 1
  10 trap "rm -f ${tmpfile}" EXIT
  11
  12 if which csvlint > /dev/null; then
  13   csvlint "$RESOLVERS_LIST" || echo "*** Invalid CSV file ***" >&2
  14 fi
  15
  16 exec < "$RESOLVERS_LIST"
  17 exec > "$tmpfile"
  18
  19 read header
  20 echo "$header" | egrep -q '^Name,' || echo "*** Invalid CSV file ***" >&2
  21
  22 echo "$header"
  23
  24 while read line; do
  25   resolver_name=$(echo "$line" | cut -d, -f1)
  26   eval "${DNSCRYPT_PROXY} -L ${CSV_FILE} -R ${resolver_name} -t ${MARGIN} -m 1"
  27   if [ $? -eq 0 ]; then
  28     echo "$line"
  29     echo "+ ${resolver_name} - OK" >&2
  30   else
  31     echo "- ${resolver_name} - Failed" >&2
  32   fi
  33 done
  34
  35 mv -f "$tmpfile" "$ONLINE_RESOLVERS_LIST"