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Re-indent some scripts. Whitespace-only commit
https://secwiki.org/w/Nmap/Code_Standards
This commit is contained in:
dmiller
@@ -40,107 +40,107 @@ portrule = shortport.portnumber(1604, "udp")
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--
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function process_server_response(response)
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local pos, packet_len = bin.unpack("SS", response)
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local server_name
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local server_list = {}
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local pos, packet_len = bin.unpack("SS", response)
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local server_name
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local server_list = {}
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if packet_len < 40 then
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return
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end
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if packet_len < 40 then
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return
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end
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-- the list of published applications starts at offset 40
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local offset = 41
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-- the list of published applications starts at offset 40
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local offset = 41
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while offset < packet_len do
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pos, server_name = bin.unpack("z", response:sub(offset))
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offset = offset + pos - 1
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table.insert(server_list, server_name)
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end
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while offset < packet_len do
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pos, server_name = bin.unpack("z", response:sub(offset))
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offset = offset + pos - 1
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table.insert(server_list, server_name)
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end
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return server_list
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return server_list
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end
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action = function(host, port)
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local packet, counter, socket
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local query = {}
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local server_list = {}
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local packet, counter, socket
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local query = {}
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local server_list = {}
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--
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-- Packets were intercepted from the Citrix Program Neighborhood client
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-- They are used to query a server for it's list of published applications
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--
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-- We're really not interested in the responses to the first two packets
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-- The third response contains the list of published applications
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-- I couldn't find any documentation on this protocol so I'm providing
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-- some brief information for the bits and bytes this script uses.
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--
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-- Spec. of response to query[2] that contains a list of published apps
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--
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-- offset size content
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-- -------------------------
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-- 0 16-bit Length
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-- 12 32-bit Server IP (not used here)
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-- 30 8-bit Last packet (1), More packets(0)
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-- 40 - null-separated list of applications
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--
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query[0] = string.char(
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0x1e, 0x00, -- Length: 30
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0x01, 0x30, 0x02, 0xfd, 0xa8, 0xe3, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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)
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--
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-- Packets were intercepted from the Citrix Program Neighborhood client
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-- They are used to query a server for it's list of published applications
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--
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-- We're really not interested in the responses to the first two packets
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-- The third response contains the list of published applications
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-- I couldn't find any documentation on this protocol so I'm providing
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-- some brief information for the bits and bytes this script uses.
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--
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-- Spec. of response to query[2] that contains a list of published apps
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--
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-- offset size content
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-- -------------------------
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-- 0 16-bit Length
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-- 12 32-bit Server IP (not used here)
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-- 30 8-bit Last packet (1), More packets(0)
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-- 40 - null-separated list of applications
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--
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query[0] = string.char(
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0x1e, 0x00, -- Length: 30
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0x01, 0x30, 0x02, 0xfd, 0xa8, 0xe3, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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)
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query[1] = string.char(
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0x2a, 0x00, -- Length: 42
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0x01, 0x32, 0x02, 0xfd, 0xa8, 0xe3, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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)
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query[1] = string.char(
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0x2a, 0x00, -- Length: 42
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0x01, 0x32, 0x02, 0xfd, 0xa8, 0xe3, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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)
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counter = 0
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counter = 0
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socket = nmap.new_socket()
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socket:set_timeout(5000)
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socket = nmap.new_socket()
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socket:set_timeout(5000)
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local try = nmap.new_try(function() socket:close() end)
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try(socket:connect(host, port))
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local try = nmap.new_try(function() socket:close() end)
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try(socket:connect(host, port))
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-- send the two first packets and never look back
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repeat
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try(socket:send(query[counter]))
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packet = try(socket:receive())
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counter = counter + 1
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until (counter>#query)
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-- send the two first packets and never look back
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repeat
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try(socket:send(query[counter]))
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packet = try(socket:receive())
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counter = counter + 1
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until (counter>#query)
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-- process the first response
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server_list = process_server_response( packet )
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-- process the first response
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server_list = process_server_response( packet )
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--
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-- the byte at offset 31 in the response has a really magic function
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-- if it is set to zero (0) we have more response packets to process
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-- if it is set to one (1) we have arrived at the last packet of our journey
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--
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while packet:sub(31,31) ~= string.char(0x01) do
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packet = try( socket:receive() )
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local tmp_table = process_server_response( packet )
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--
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-- the byte at offset 31 in the response has a really magic function
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-- if it is set to zero (0) we have more response packets to process
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-- if it is set to one (1) we have arrived at the last packet of our journey
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--
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while packet:sub(31,31) ~= string.char(0x01) do
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packet = try( socket:receive() )
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local tmp_table = process_server_response( packet )
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for _, v in ipairs(tmp_table) do
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table.insert(server_list, v)
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end
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end
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for _, v in ipairs(tmp_table) do
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table.insert(server_list, v)
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end
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end
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if #server_list>0 then
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nmap.set_port_state(host, port, "open")
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end
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if #server_list>0 then
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nmap.set_port_state(host, port, "open")
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end
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socket:close()
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socket:close()
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return stdnse.format_output(true, server_list)
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return stdnse.format_output(true, server_list)
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end
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