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Fix DHCPv6 address allocation for some pathalogical cases.

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This commit is contained in:
Simon Kelley
2012-09-08 21:47:28 +01:00
parent 4d0f5b4c44
commit 8b46061e73
3 changed files with 31 additions and 12 deletions
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27
src/lease.c
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@@ -562,18 +562,31 @@ struct dhcp_lease *lease6_find(unsigned char *clid, int clid_len,
memcmp(clid, lease->clid, clid_len) != 0))
continue;
if (clid || addr)
{
lease->flags |= LEASE_USED;
return lease;
}
else
lease->flags &= ~LEASE_USED;
lease->flags |= LEASE_USED;
return lease;
}
return NULL;
}
void lease6_filter(int lease_type, int iaid, struct dhcp_context *context)
{
struct dhcp_lease *lease;
for (lease = leases; lease; lease = lease->next)
{
/* reset "USED flag */
lease->flags &= ~LEASE_USED;
if (!(lease->flags & lease_type) || lease->hwaddr_type != iaid)
continue;
/* leases on the wrong interface get filtered out here */
if (!address6_available(context, (struct in6_addr *)&lease->hwaddr, NULL))
lease->flags |= LEASE_USED;
}
}
struct dhcp_lease *lease6_find_by_addr(struct in6_addr *net, int prefix, u64 addr)
{
struct dhcp_lease *lease;