diff -urN auth.c.old auth.c
--- auth.c.old  Wed May  5 08:45:14 1999
+++ auth.c      Fri Jun 11 13:28:13 1999
@@ -205,9 +205,19 @@
        /*
         *      Check encrypted password.
         */
+#ifdef NOUSERCASE
+       encpw = crypt(passwd, encrypted_pass);
+       if (strcmp(encpw, encrypted_pass)) {
+               encpw = crypt(makecleanstr(passwd), encrypted_pass);
+               if (strcmp(encpw, encrypted_pass)) {
+                       return -1;
+               }
+       }
+#else
        encpw = crypt(passwd, encrypted_pass);
        if (strcmp(encpw, encrypted_pass))
                return -1;
+#endif

        return 0;
 }
@@ -379,9 +389,18 @@
                                result = string[0] ? -1 : 0;
                                break;
                        }
+#ifdef NOUSERCASE
                        if (strcmp(password_pair->strvalue,
-                           crypt(string, password_pair->strvalue)) != 0)
+                               crypt(string, password_pair->strvalue)) != 0)
+                               if (strcmp(password_pair->strvalue,
+                                       crypt(makecleanstr(string), password_pair->strvalue)) != 0) {
                                        result = -1;
+                               }
+#else
+                       if (strcmp(password_pair->strvalue,
+                               crypt(string, password_pair->strvalue)) != 0)
+                                       result = -1;
+#endif
                        break;
                case PW_AUTHTYPE_LOCAL:
                        DEBUG2("  auth: Local");
@@ -392,9 +411,17 @@
                                /*
                                 *      Plain text password.
                                 */
+#ifdef NOUSERCASE
+                               if (password_pair == NULL ||
+                                       strcmp(password_pair->strvalue, string)!=0)
+                                       if(password_pair == NULL ||
+                                               strcmp(password_pair->strvalue, makecleanstr(string))!=0)
+                                               result = -1;
+#else
                                if (password_pair == NULL ||
-                                   strcmp(password_pair->strvalue, string)!=0)
+                                       strcmp(password_pair->strvalue, string)!=0)
                                        result = -1;
+#endif
                                break;
                        }

diff -urN cache.c.old cache.c
--- cache.c.old Wed May  5 08:35:56 1999
+++ cache.c     Fri Jun 11 13:29:10 1999
@@ -436,9 +436,19 @@
        /*
         *      Check encrypted password.
         */
+#ifdef NOUSERCASE
+       encpw = crypt(passwd, encrypted_pass);
+       if (strcmp(encpw, encrypted_pass)) {
+               encpw = crypt(makecleanstr(passwd), encrypted_pass);
+               if (strcmp(encpw, encrypted_pass)) {
+                       return -1;
+               }
+       }
+#else
        encpw = (char *)crypt(passwd, encrypted_pass);
        if (strcmp(encpw, encrypted_pass))
                return -1;
+#endif

        return 0;
 }
diff -urN radiusd-cistron-1.5.4.3-orig/src/radiusd.c radiusd-cistron-1.5.4.3/src/radiusd.c
--- radiusd.c.old       Wed May  5 08:44:45 1999
+++ radiusd.c   Fri Jun 11 13:32:16 1999
@@ -514,6 +514,13 @@
                namepair = pairfind(authreq->request, PW_USER_NAME);
                if (namepair == NULL)
                        break;
+#ifdef NOUSERCASE
+      /* We only do this on auth requests */
+               if(authreq->code == PW_AUTHENTICATION_REQUEST) {
+                       makecleanstr(authreq->username);
+                       makecleanstr(namepair->strvalue);
+               }
+#endif
                /*
                 *      We always call proxy_send, it returns non-zero
                 *      if it did actually proxy the request.
@@ -867,3 +874,35 @@
        need_reload = 1;
 }

+#ifdef NOUSERCASE
+/* Take a string, strip all spaces from it,
+ * lowercase all upper letters, and return it
+ */
+char* makecleanstr(char *str) {
+       char *ptr;
+       int index=0;
+       unsigned char mychar;
+
+       DEBUG2(" makecleanstr received:  %s (%ld)", str, str) ;
+       /* If null, return immediately */
+       if(!str)
+               return str;
+
+       for(ptr = str; *ptr!='\0'; ptr++) {
+               while(*ptr == ' ') {
+                       ptr++;
+               }
+               mychar = *ptr;
+               if((mychar > 64) && (mychar < 91)) {
+                       mychar += 32;
+                       *ptr = mychar;
+               }
+               str[index] = *ptr;
+               index++;
+       }
+       str[index] = '\0';
+
+       DEBUG2(" makecleanstr returning:  %s (%ld)", str, str);
+       return str;
+}
+#endif
diff -urN radiusd-cistron-1.5.4.3-orig/src/radiusd.h radiusd-cistron-1.5.4.3/src/radiusd.h
--- radiusd.h.old       Wed May  5 08:45:01 1999
+++ radiusd.h   Fri Jun 11 13:32:23 1999
@@ -276,3 +276,7 @@
 /* timestr.c */
 int            timestr_match(char *, time_t);

+/* nocase.c */
+#ifdef NOUSERCASE
+char* makecleanstr(char *str);
+#endif