ipsec-tools racoon patch against ldap / active directory null authentication from 2009

ipsec-tools-0.8-alpha20090422

diff -crB ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c joerg/ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c
*** ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c	2009-06-02 08:08:09.000000000 +0200
--- joerg/ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c	2009-06-02 08:08:18.000000000 +0200
***************
*** 893,898 ****
--- 893,905 ----
  	atlist[1] = NULL;
  	atlist[2] = NULL;
  
+ 	/* deny empty login */
+         if(strlen(usr) == 0 || strlen(pwd) == 0)
+         {
+ 		goto ldap_end;
+         }
+ 
+ 
  	/* build our initialization url */
  	tmplen = strlen("ldap://:") + 17;
  	tmplen += strlen(xauth_ldap_config.host->v);