BIND 10 master, updated. 127e416cb3b2d08b2cd9356ca7c8bd109dbef95d [master] Check IPv6 mask length

[BIND 10 source code commits]

The branch, master has been updated
       via  127e416cb3b2d08b2cd9356ca7c8bd109dbef95d (commit)
      from  61d7c3959eb991b22bc1c0ef8f4ecb96b65d9325 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 127e416cb3b2d08b2cd9356ca7c8bd109dbef95d
Author: Mukund Sivaraman <muks at isc.org>
Date:   Tue Oct 30 17:48:08 2012 +0530

    [master] Check IPv6 mask length

-----------------------------------------------------------------------

Summary of changes:
 src/lib/dhcp/addr_utilities.cc |   13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

-----------------------------------------------------------------------
diff --git a/src/lib/dhcp/addr_utilities.cc b/src/lib/dhcp/addr_utilities.cc
index de1e8b4..db35ca6 100644
--- a/src/lib/dhcp/addr_utilities.cc
+++ b/src/lib/dhcp/addr_utilities.cc
@@ -45,9 +45,13 @@ const uint8_t bitMask6[]= { 0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
 /// @param len prefix length
 isc::asiolink::IOAddress firstAddrInPrefix6(const isc::asiolink::IOAddress& prefix,
                                             uint8_t len) {
-
     uint8_t packed[V6ADDRESS_LEN];
 
+    if (len > 128) {
+        isc_throw(isc::BadValue,
+                  "Too large netmask. 0..128 is allowed in IPv6");
+    }
+
     // First we copy the whole address as 16 bytes.
     memcpy(packed, prefix.getAddress().to_v6().to_bytes().data(), 16);
 
@@ -104,7 +108,7 @@ isc::asiolink::IOAddress firstAddrInPrefix4(const isc::asiolink::IOAddress& pref
 isc::asiolink::IOAddress lastAddrInPrefix4(const isc::asiolink::IOAddress& prefix,
                                            uint8_t len) {
     uint32_t addr = prefix;
-    if (len>32) {
+    if (len > 32) {
         isc_throw(isc::BadValue, "Too large netmask. 0..32 is allowed in IPv4");
     }
 
@@ -123,6 +127,11 @@ isc::asiolink::IOAddress lastAddrInPrefix6(const isc::asiolink::IOAddress& prefi
 
     uint8_t packed[V6ADDRESS_LEN];
 
+    if (len > 128) {
+        isc_throw(isc::BadValue,
+                  "Too large netmask. 0..128 is allowed in IPv6");
+    }
+
     // First we copy the whole address as 16 bytes.
     memcpy(packed, prefix.getAddress().to_v6().to_bytes().data(), 16);