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Add parsing rules for IPv4/IPv6 subnet literal constants, addresses #888

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This fixes specifying IPv4 subnets in IPv4-mapped-IPv6 format with a
mask length relative to the 128 bits of the mapped IPv6 address.
This commit is contained in:
Jon Siwek 2012-10-22 15:57:21 -05:00
parent 5716545cfa
commit 46d225cc5b
10 changed files with 96 additions and 35 deletions
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4
src/IPAddr.cc
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@ -248,10 +248,10 @@ IPPrefix::IPPrefix(const in6_addr& in6, uint8_t length)
prefix.Mask(this->length);
}
IPPrefix::IPPrefix(const IPAddr& addr, uint8_t length)
IPPrefix::IPPrefix(const IPAddr& addr, uint8_t length, bool len_is_v6_relative)
: prefix(addr)
{
if ( prefix.GetFamily() == IPv4 )
if ( prefix.GetFamily() == IPv4 && ! len_is_v6_relative )
{
if ( length > 32 )
reporter->InternalError("Bad IPAddr(v4) IPPrefix length : %d",