Cope with router-solicit packets without valid source address.

CHANGELOG

 version 2.62
             Update German translation. Thanks to Conrad Kostecki.
 
+	    Cope with router-solict packets wich don't have a valid 
+	    source address. Thanks to Vladislav Grishenko for the patch.
+
 
 version 2.61
 	    Re-write interface discovery code on *BSD to use

src/radv-protocol.h

@@ -14,7 +14,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#define ALL_HOSTS                 "FF02::1"
+#define ALL_NODES                 "FF02::1"
 #define ALL_ROUTERS               "FF02::2"
 
 struct ping_packet {

src/radv.c

@@ -179,7 +179,8 @@ void icmp6_packet(void)
 	}
          
       my_syslog(MS_DHCP | LOG_INFO, "RTR-SOLICIT(%s) %s", interface, mac);
-      send_ra(if_index, interface, &from.sin6_addr);
+      /* source address may not be valid in solicit request. */
+      send_ra(if_index, interface, !IN6_IS_ADDR_UNSPECIFIED(&from.sin6_addr) ? &from.sin6_addr : NULL);
     }
 }
 
@@ -317,7 +318,7 @@ static void send_ra(int iface, char *iface_name, struct in6_addr *dest)
 	addr.sin6_scope_id = iface;
     }
   else
-    inet_pton(AF_INET6, ALL_HOSTS, &addr.sin6_addr); 
+    inet_pton(AF_INET6, ALL_NODES, &addr.sin6_addr); 
   
   send_from(daemon->icmp6fd, 0, daemon->outpacket.iov_base, save_counter(0),
 	    (union mysockaddr *)&addr, (struct all_addr *)&parm.link_local, iface);