Made /wol a POST request instead of a GET

Since it does modify state.

* Also fixed a bug where ping did sometimes still write to the
response.

handle_post.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+if [[ "$REQUEST_PATH_SANE" =~ ^refresh ]]; then
+  ip=$(echo "$REQUEST_PATH_SANE" | cut -d '/' -f2)
+
+  body="{\n\"time\": \"$(date +%T)\",\n"
+  body+="\"status\": \"unknown\"\n}\n"
+
+cat <<EOF
+$($BASHSERV_DIR/header.sh -t "application/json" -l $(echo -ne "$body" | wc -c))
+$(echo -ne $body)
+EOF
+
+  echo -ne "$body" > status/$ip
+
+  ret=1
+  for i in {0..30}; do
+    ping -c 1 -w 5 -t 1 -q "$ip" > /dev/null 2>&1
+    ret=$?
+    [ $ret -eq 0 ] && break
+  done
+
+  echo -e "{\n\"time\": \"$(date +%T)\"," > status/$ip
+
+  if [ $ret -eq 0 ]; then
+    echo -e "\"status\": \"up\"\n}\n" >> status/$ip
+  else
+    echo -e "\"status\": \"down\"\n}\n" >> status/$ip
+  fi
+  exit 0
+fi
+
+if [[ "$REQUEST_PATH_SANE" =~ ^wol ]]; then
+  mac=$(echo "$POST_DATA" | cut -d '=' -f2)
+
+  wol "$mac" > /dev/null
+  body="{\"response\": \"ok\"}\n"
+
+cat <<EOF
+$($BASHSERV_DIR/header.sh -t "application/json" -l $(echo -ne "$body" | wc -c))
+$(echo -ne $body)
+EOF
+
+  exit 0
+fi
+
+exit 1