also quoted to _post queries

dnsapi/dns_ispconfig.sh

@@ -51,7 +51,7 @@ _ISPC_credentials() {
 _ISPC_login() {
   _info "Getting Session ID"
   curData="{\"username\":\"${ISPC_User}\",\"password\":\"${ISPC_Password}\",\"client_login\":false}"
-  curResult=$(_post "${curData}" "${ISPC_Api}?login")
+  curResult="$(_post "${curData}" "${ISPC_Api}?login")"
   if _contains "${curResult}" '"code":"ok"'; then
     sessionID=$(echo "${curResult}" | _egrep_o "response.*" | cut -d ':' -f 2 | cut -d '"' -f 2)
     _info "Successfully retrieved Session ID."
@@ -70,7 +70,7 @@ _ISPC_getZoneInfo() {
     curZone="${curZone#*.}"
     # suffix . needed for zone -> domain.tld.
     curData="{\"session_id\":\"${sessionID}\",\"primary_id\":[{\"origin\":\"${curZone}.\"}]}"
-    curResult=$(_post "${curData}" "${ISPC_Api}?dns_zone_get")
+    curResult="$(_post "${curData}" "${ISPC_Api}?dns_zone_get")"
     if _contains "${curResult}" '"id":"'; then
       zoneFound=true
       zoneEnd=true
@@ -119,7 +119,7 @@ _ISPC_addTxt() {
   curStamp="$(date +'%F %T')"
   params="\"server_id\":\"${server_id}\",\"zone\":\"${zone}\",\"name\":\"${fulldomain}.\",\"type\":\"txt\",\"data\":\"${txtvalue}\",\"aux\":\"0\",\"ttl\":\"3600\",\"active\":\"y\",\"stamp\":\"${curStamp}\",\"serial\":\"${curSerial}\""
   curData="{\"session_id\":\"${sessionID}\",\"client_id\":\"${client_id}\",\"params\":{${params}}}"
-  curResult=$(_post "${curData}" "${ISPC_Api}?dns_txt_add")
+  curResult="$(_post "${curData}" "${ISPC_Api}?dns_txt_add")"
   record_id=$(echo "${curResult}" | _egrep_o "\"response.*" | cut -d ':' -f 2 | cut -d '"' -f 2)
   case "${record_id}" in
     '' | *[!0-9]*)
@@ -137,7 +137,7 @@ _ISPC_addTxt() {
 _ISPC_rmTxt() {
   # Need to get the record ID.
   curData="{\"session_id\":\"${sessionID}\",\"primary_id\":[{\"name\":\"${fulldomain}.\"}]}"
-  curResult=$(_post "${curData}" "${ISPC_Api}?dns_txt_get")
+  curResult="$(_post "${curData}" "${ISPC_Api}?dns_txt_get")"
   # The array search doesn't work properly... so we loop through all retrieved records and check if it contains $fulldomain
   IFS='{'
   for i in ${curResult}; do
@@ -162,7 +162,7 @@ _ISPC_rmTxt() {
   # Delete the record 
   curData="{\"session_id\":\"${sessionID}\",\"primary_id\":\"${record_id}\"}"
   echo $curData; 
-  curResult=$(_post "${curData}" "${ISPC_Api}?dns_txt_delete")
+  curResult="$(_post "${curData}" "${ISPC_Api}?dns_txt_delete")"
   echo $curResult; exit;
   if _contains "${curResult}" '"code":"ok"'; then
     _info "Successfully removed ACME challenge txt record."