Index: ldapmisc.c
--- ldapmisc.c.orig	2005-11-18 22:17:27.000000000 +0100
+++ ldapmisc.c	2006-03-11 09:28:02.345677747 +0100
@@ -29,6 +29,27 @@
 
 #include "ldapdiff.h"
 
+static char *
+my_strcasestr(s, find)
+    const char *s, *find;
+{
+    char c, sc;
+    size_t len;
+
+    if ((c = *find++) != 0) {
+        c = tolower((unsigned char)c);
+        len = strlen(find);
+        do {
+            do {
+                if ((sc = *s++) == 0)
+                    return (NULL);
+            } while ((char)tolower((unsigned char)sc) != c);
+        } while (strncasecmp(s, find, len) != 0);
+        s--;
+    }
+    return ((char *)s);
+}
+
 int ldifcheckbase(char *attrbase)
 {
  char *confbase;
@@ -36,7 +57,7 @@
 
  confbase = ldifgetpconf(CONFBASEDN);
 
- if((pos = strcasestr(attrbase,confbase)) == NULL){
+ if((pos = my_strcasestr(attrbase,confbase)) == NULL){
   return -1;
  }