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Allow targets-sniffer.nse to sniff IPv6 addresses.

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Patch by Daniel Miller.
This commit is contained in:
david
2012-04-17 21:47:30 +00:00
parent 9a9cf1fa7d
commit 870aed3393
2 changed files with 30 additions and 7 deletions
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34
scripts/targets-sniffer.nse
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@@ -41,13 +41,17 @@ require("bin")
local interface_info
local all_addresses= {}
local unique_addresses = {}
local INVALID_ADDRESS = "????"
--Make sure the IP is not a broadcast or the local address
local function check_if_valid(address)
local broadcast = interface_info.broadcast
local local_address = interface_info.address
if address == local_address or address == broadcast or address == "255.255.255.255" then
if address == local_address
or address == broadcast or address == "255.255.255.255"
or address:match('^ff') --IPv6 Multicast addrs
or address == INVALID_ADDRESS then
return false
else
return true end
@@ -55,7 +59,13 @@ end
local function get_ip_addresses(layer3)
local ip = packet.Packet:new(layer3, layer3:len())
return packet.toip(ip.ip_bin_src),packet.toip(ip.ip_bin_dst)
if ip.ip_v == 4 then
return packet.toip(ip.ip_bin_src),packet.toip(ip.ip_bin_dst)
elseif ip.ip_v == 6 then
return packet.toipv6(ip.ip_bin_src),packet.toipv6(ip.ip_bin_dst)
else
return INVALID_ADDRESS,INVALID_ADDRESS
end
end
prerule = function()
@@ -86,7 +96,7 @@ action = function()
stdnse.print_debug(1,"Error - unable to open socket using interface %s",interface)
return
else
sock:pcap_open(interface, 104, true, "ip")
sock:pcap_open(interface, 104, true, "ip or ip6")
stdnse.print_debug(1, "Will sniff for %s seconds on interface %s.", (timeout/1000),interface)
repeat
@@ -126,11 +136,21 @@ action = function()
end
if target.ALLOW_NEW_TARGETS == true then
for _,v in pairs(all_addresses) do
target.add(v)
end
if nmap.address_family() == 'inet6' then
for _,v in pairs(all_addresses) do
if v:match(':') then
target.add(v)
end
end
else
stdnse.print_debug(1,"Not adding targets to newtargets. If you want to do that use the 'newtargets' script argument.")
for _,v in pairs(all_addresses) do
if not v:match(':') then
target.add(v)
end
end
end
else
stdnse.print_debug(1,"Not adding targets to newtargets. If you want to do that use the 'newtargets' script argument.")
end
if #all_addresses>0 then