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Parse more than one type bitmap block in an NSEC record if present.

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david 2011-03-27 05:07:26 +00:00
parent 6d90b593b7
commit 03a42edfe5
1 changed files with 7 additions and 5 deletions
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12
nselib/dns.lua
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@ -986,14 +986,16 @@ end
-- @param pos Position in packet after RR.
decoder[types.NSEC] = function (entry, data, pos)
local np = pos - #entry.data
local block_num, type_bitmap
entry.NSEC = {}
entry.NSEC.dname = entry.dname
np, entry.NSEC.next_dname = decStr(data, np)
np, block_num, type_bitmap = bin.unpack(">Cp", data, np)
entry.NSEC.types = {}
for i in bit_iter(type_bitmap) do
entry.NSEC.types[(block_num - 1) * 256 + i] = true
while np < pos do
local block_num, type_bitmap
np, block_num, type_bitmap = bin.unpack(">Cp", data, np)
entry.NSEC.types = {}
for i in bit_iter(type_bitmap) do
entry.NSEC.types[(block_num - 1) * 256 + i] = true
end
end
end