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Correctly support IPv6 for bitcoin NSE scripts

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This commit is contained in:
dmiller
2018-03-09 06:26:47 +00:00
parent 8d46f720a5
commit fd93f27c28
1 changed files with 10 additions and 6 deletions
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16
nselib/bitcoin.lua
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@@ -68,18 +68,22 @@ NetworkAddress = {
assert(26 == #data, "Expected 26 bytes of data")
local na = NetworkAddress:new()
local _
_, na.service, na.ipv6_prefix, na.host, na.port = bin.unpack("<LH12>IS", data)
na.host = ipOps.fromdword(na.host)
local ipv6_prefix, ipv4_addr
na.service, ipv6_prefix, ipv4_addr, na.port = string.unpack("<I8 c12 c4 >I2", data)
if ipv6_prefix == "\0\0\0\0\0\0\0\0\0\0\xff\xff" then
-- IPv4
na.host = ipOps.str_to_ip(ipv4_addr)
else
na.host = ipOps.str_to_ip(ipv6_prefix .. ipv4_addr)
end
return na
end,
-- Converts the NetworkAddress instance to string
-- @return data string containing the NetworkAddress instance
__tostring = function(self)
local ipv6_prefix = "00 00 00 00 00 00 00 00 00 00 FF FF"
local ip = ipOps.todword(self.host)
return bin.pack("<LH>IS", self.service, ipv6_prefix, ip, self.port )
local ipv6_addr = ipOps.ip_to_str(self.host)
return string.pack("<I8 c16 >I2", self.service, ipv6_addr, self.port )
end
}