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48 lines
1.3 KiB
Lua
48 lines
1.3 KiB
Lua
---
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-- IMAP functions.
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--
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-- @copyright Same as Nmap--See http://nmap.org/book/man-legal.html
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module(... or "imap", package.seeall)
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require 'stdnse'
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---
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-- Asks an IMAP server for capabilities.
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--
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-- See RFC 3501.
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-- @param host Host to be queried.
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-- @param port Port to connect to.
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-- @return Table containing capabilities or nil on error.
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-- @return nil or String error message.
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function capabilities(host, port)
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local socket = nmap.new_socket()
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local capas = {}
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socket:set_timeout(10000)
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local proto = (port.version and port.version.service_tunnel == "ssl" and "ssl") or "tcp"
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if not socket:connect(host.ip, port.number, proto) then return nil, "Could Not Connect" end
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local status, line = socket:receive_lines(1)
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if not string.match(line, "^[%*] OK") then return nil, "No Response" end
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socket:send("a001 CAPABILITY\r\n")
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status, line = socket:receive_buf("\r\n", false)
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if not status then
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capas.CAPABILITY = false
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else
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while status do
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if string.match(line, "^%*%s+CAPABILITY") then
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line = string.gsub(line, "^%*%s+CAPABILITY", "")
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for capability in string.gmatch(line, "[%w%+=-]+") do
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capas[capability] = true
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end
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break
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end
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status, line = socket:receive_buf("\r\n", false)
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end
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end
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socket:close()
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return capas
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end
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