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Re-indent some scripts. Whitespace-only commit
https://secwiki.org/w/Nmap/Code_Standards
This commit is contained in:
dmiller
@@ -58,18 +58,18 @@ portrule = shortport.port_or_service(5060, "sip", {"tcp", "udp"})
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-- @return status True if we got a response, false else.
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-- @return resp Response table if status is true, error string else.
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local sendinvite = function(session, ua, from, src, extension)
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local request = sip.Request:new(sip.Method.INVITE)
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local request = sip.Request:new(sip.Method.INVITE)
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request:setUri("sip:" .. session.sessdata:getServer())
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request:setUA(ua)
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if src then
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session.sessdata:setDomain(src)
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end
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session.sessdata:setUsername(extension)
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session.sessdata:setName(from)
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request:setSessionData(session.sessdata)
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request:setUri("sip:" .. session.sessdata:getServer())
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request:setUA(ua)
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if src then
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session.sessdata:setDomain(src)
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end
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session.sessdata:setUsername(extension)
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session.sessdata:setName(from)
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request:setSessionData(session.sessdata)
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return session:exch(request)
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return session:exch(request)
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end
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--- Function that waits for certain responses for an amount of time.
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@@ -79,31 +79,31 @@ end
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-- @return responsecode Code for the latest meaningful response.
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-- could be 180, 200, 486, 408 or 603
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local waitresponses = function(session,timeout)
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local response, status, data, responsecode, ringing, waittime
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local start = nmap.clock_ms()
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local response, status, data, responsecode, ringing, waittime
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local start = nmap.clock_ms()
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while (nmap.clock_ms() - start) < timeout do
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status, data = session.conn:recv()
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if status then
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response = sip.Response:new(data)
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responsecode = response:getErrorCode()
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waittime = nmap.clock_ms() - start
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if responsecode == sip.Error.RING then
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ringing = true
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elseif responsecode == sip.Error.BUSY then
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return ringing, sip.Error.BUSY
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elseif responsecode == sip.Error.DECLINE then
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return ringing, sip.Error.DECLINE, waittime
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elseif responsecode == sip.Error.OK then
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return ringing, sip.Error.OK, waittime
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elseif responsecode == sip.Error.TIMEOUT then
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return ringing, sip.Error.OK
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end
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end
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end
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if ringing then
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return ringing, sip.Error.RING
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while (nmap.clock_ms() - start) < timeout do
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status, data = session.conn:recv()
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if status then
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response = sip.Response:new(data)
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responsecode = response:getErrorCode()
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waittime = nmap.clock_ms() - start
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if responsecode == sip.Error.RING then
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ringing = true
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elseif responsecode == sip.Error.BUSY then
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return ringing, sip.Error.BUSY
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elseif responsecode == sip.Error.DECLINE then
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return ringing, sip.Error.DECLINE, waittime
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elseif responsecode == sip.Error.OK then
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return ringing, sip.Error.OK, waittime
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elseif responsecode == sip.Error.TIMEOUT then
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return ringing, sip.Error.OK
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end
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end
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end
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if ringing then
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return ringing, sip.Error.RING
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end
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end
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--- Function that spoofs an invite request and listens for responses.
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@@ -118,54 +118,54 @@ end
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-- could be 180, 200, 486, 408 or 603
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local invitespoof = function(session, ua, from, src, extension, timeout)
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local status, response = sendinvite(session, ua, from, src, extension)
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-- check if we got a 100 Trying response.
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if status and response:getErrorCode() == 100 then
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-- wait for responses
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return waitresponses(session, timeout)
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end
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local status, response = sendinvite(session, ua, from, src, extension)
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-- check if we got a 100 Trying response.
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if status and response:getErrorCode() == 100 then
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-- wait for responses
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return waitresponses(session, timeout)
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end
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end
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action = function(host, port)
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local status, session
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local status, session
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local ua = stdnse.get_script_args(SCRIPT_NAME .. ".ua") or "Ekiga"
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local from = stdnse.get_script_args(SCRIPT_NAME .. ".from") or "Home"
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local src = stdnse.get_script_args(SCRIPT_NAME .. ".src")
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local extension = stdnse.get_script_args(SCRIPT_NAME .. ".extension") or 100
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local timeout = stdnse.parse_timespec(stdnse.get_script_args(SCRIPT_NAME .. ".timeout"))
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local ua = stdnse.get_script_args(SCRIPT_NAME .. ".ua") or "Ekiga"
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local from = stdnse.get_script_args(SCRIPT_NAME .. ".from") or "Home"
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local src = stdnse.get_script_args(SCRIPT_NAME .. ".src")
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local extension = stdnse.get_script_args(SCRIPT_NAME .. ".extension") or 100
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local timeout = stdnse.parse_timespec(stdnse.get_script_args(SCRIPT_NAME .. ".timeout"))
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-- Default timeout value = 5 seconds.
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timeout = (timeout or 5) * 1000
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-- Default timeout value = 5 seconds.
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timeout = (timeout or 5) * 1000
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session = sip.Session:new(host, port)
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status = session:connect()
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if not status then
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return "ERROR: Failed to connect to the SIP server."
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session = sip.Session:new(host, port)
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status = session:connect()
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if not status then
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return "ERROR: Failed to connect to the SIP server."
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end
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local ringing, result, waittime = invitespoof(session, ua, from, src, extension, timeout)
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-- If we get a response, we set the port to open.
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if result then
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if nmap.get_port_state(host, port) ~= "open" then
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nmap.set_port_state(host, port, "open")
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end
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end
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local ringing, result, waittime = invitespoof(session, ua, from, src, extension, timeout)
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-- If we get a response, we set the port to open.
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if result then
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if nmap.get_port_state(host, port) ~= "open" then
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nmap.set_port_state(host, port, "open")
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end
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end
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-- We check for ringing to skip false positives.
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if ringing then
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if result == sip.Error.BUSY then
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return stdnse.format_output(true, "Target line is busy.")
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elseif result == sip.Error.DECLINE then
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return stdnse.format_output(true, ("Target declined the call. (After %.1f seconds)"):format(waittime / 1000))
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elseif result == sip.Error.OK then
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return stdnse.format_output(true, ("Target hung up. (After %.1f seconds)"):format(waittime / 1000))
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elseif result == sip.Error.TIMEOUT then
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return stdnse.format_output(true, "Ringing, no answer.")
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elseif result == sip.Error.RING then
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return stdnse.format_output(true, "Ringing, got no answer. (script timeout)")
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end
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else
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stdnse.print_debug(SCRIPT_NAME .. "Target phone didn't ring.")
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-- We check for ringing to skip false positives.
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if ringing then
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if result == sip.Error.BUSY then
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return stdnse.format_output(true, "Target line is busy.")
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elseif result == sip.Error.DECLINE then
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return stdnse.format_output(true, ("Target declined the call. (After %.1f seconds)"):format(waittime / 1000))
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elseif result == sip.Error.OK then
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return stdnse.format_output(true, ("Target hung up. (After %.1f seconds)"):format(waittime / 1000))
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elseif result == sip.Error.TIMEOUT then
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return stdnse.format_output(true, "Ringing, no answer.")
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elseif result == sip.Error.RING then
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return stdnse.format_output(true, "Ringing, got no answer. (script timeout)")
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end
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else
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stdnse.print_debug(SCRIPT_NAME .. "Target phone didn't ring.")
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end
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end
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