--- authd-1.4.3/authd.c.old	2005-06-24 16:08:04.000000000 +0200

+++ authd-1.4.3/authd.c	2005-06-24 16:12:06.000000000 +0200

@@ -485,8 +485,19 @@

                 assert(opt.mapped != NULL);

                 strcpy(peer_128, opt.mapped); strcpy(host_128, opt.mapped);

-                strncpy(host_128, addr_hex, z);

-                strncpy(peer_128, peer_addr_hex, strlen(peer_addr_hex));

+

+                /*

+                   If mapping IPV4 to IPV6 space is enabled,

+                   take only last 4 numbers of IPV6

+                */

+                if(opt.mapped[0]) {

+                  strncpy(host_128, addr_hex+z-8, 8);

+                  strncpy(peer_128, peer_addr_hex, 8);

+                } else {

+                  strncpy(host_128, addr_hex, z);

+                  strncpy(peer_128, peer_addr_hex, strlen(peer_addr_hex));

+                }

+

                 if (strcmp(peer_128, host_128) != 0) return addr;

             }

             // hex addr must have even number of digits