--- ez-ipupdate-3.0.11b8.orig/ez-ipupdate.c
+++ ez-ipupdate-3.0.11b8/ez-ipupdate.c
@@ -3392,7 +3399,7 @@
 
   // send an offline request if address 0.0.0.0 is used
   // otherwise, we ignore the address and send an update request
-  gnudip_request[0] = strcmp(address, "0.0.0.0") == 0 ? '1' : '0';
+  gnudip_request[0] = address && strcmp(address, "0.0.0.0") == 0 ? '1' : '0';
   gnudip_request[1] = '\0';
 
   // find domainname
@@ -4215,8 +4222,6 @@
 
   switch(ret)
   {
-    char *p;
-
     case -1:
       if(!(options & OPT_QUIET))
       {
@@ -4456,13 +4463,13 @@
     dprintf((stderr, "user_name: %s\n", user_name));
     dprintf((stderr, "password: %s\n", password));
   }
-  if(*user_name == '\0')
+  if(*user_name == '\0' && !(options & OPT_DAEMON))
   {
     printf("user name: ");
     fgets(user_name, sizeof(user_name), stdin);
     chomp(user_name);
   }
-  if(*password == '\0')
+  if(*password == '\0' && !(options & OPT_DAEMON))
   {
     strncpy(password, getpass("password: "), sizeof(password));
   }
@@ -4560,7 +4569,7 @@
           strftime(timebuf, sizeof(timebuf), "%Y/%m/%d %H:%M", ts);
           show_message("got last update %s on %s from cache file\n", ipstr, timebuf);
         }
-        else
+        else if(ipstr||ipdate)
         {
           show_message("malformed cache file: %s\n", cache_file);
         }
@@ -4840,7 +4849,7 @@
       {
         char ipbuf[64];
 
-        if(address == NULL || *address == '\0')
+        if((address == NULL || *address == '\0') && interface != NULL)
         {
 #ifdef IF_LOOKUP
           struct sockaddr_in sin;