mirror of
https://github.com/nmap/nmap.git
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Re-indent some scripts. Whitespace-only commit
https://secwiki.org/w/Nmap/Code_Standards
This commit is contained in:
dmiller
@@ -32,139 +32,139 @@ categories = {"discovery","broadcast"}
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prerule = function()
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return nmap.is_privileged()
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return nmap.is_privileged()
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end
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local function get_interfaces()
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local interface_name = stdnse.get_script_args(SCRIPT_NAME .. ".interface")
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or nmap.get_interface()
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local interface_name = stdnse.get_script_args(SCRIPT_NAME .. ".interface")
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or nmap.get_interface()
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-- interfaces list (decide which interfaces to broadcast on)
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local interfaces = {}
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if interface_name then
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-- single interface defined
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local if_table = nmap.get_interface_info(interface_name)
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if if_table and packet.ip6tobin(if_table.address) and if_table.link == "ethernet" then
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interfaces[#interfaces + 1] = if_table
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else
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stdnse.print_debug("Interface not supported or not properly configured.")
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end
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else
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for _, if_table in ipairs(nmap.list_interfaces()) do
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if packet.ip6tobin(if_table.address) and if_table.link == "ethernet" then
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table.insert(interfaces, if_table)
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end
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end
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end
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-- interfaces list (decide which interfaces to broadcast on)
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local interfaces = {}
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if interface_name then
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-- single interface defined
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local if_table = nmap.get_interface_info(interface_name)
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if if_table and packet.ip6tobin(if_table.address) and if_table.link == "ethernet" then
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interfaces[#interfaces + 1] = if_table
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else
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stdnse.print_debug("Interface not supported or not properly configured.")
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end
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else
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for _, if_table in ipairs(nmap.list_interfaces()) do
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if packet.ip6tobin(if_table.address) and if_table.link == "ethernet" then
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table.insert(interfaces, if_table)
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end
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end
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end
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return interfaces
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return interfaces
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end
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local function single_interface_broadcast(if_nfo, results)
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stdnse.print_debug("Starting " .. SCRIPT_NAME .. " on " .. if_nfo.device)
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stdnse.print_debug("Starting " .. SCRIPT_NAME .. " on " .. if_nfo.device)
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local condvar = nmap.condvar(results)
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local src_mac = if_nfo.mac
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local src_ip6 = packet.ip6tobin(if_nfo.address)
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local dst_mac = packet.mactobin("33:33:00:00:00:01")
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local dst_ip6 = packet.ip6tobin("ff02::1")
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local condvar = nmap.condvar(results)
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local src_mac = if_nfo.mac
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local src_ip6 = packet.ip6tobin(if_nfo.address)
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local dst_mac = packet.mactobin("33:33:00:00:00:01")
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local dst_ip6 = packet.ip6tobin("ff02::1")
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----------------------------------------------------------------------------
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--Multicast echo ping probe
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----------------------------------------------------------------------------
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--Multicast echo ping probe
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local dnet = nmap.new_dnet()
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local pcap = nmap.new_socket()
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local dnet = nmap.new_dnet()
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local pcap = nmap.new_socket()
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local function catch ()
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dnet:ethernet_close()
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pcap:pcap_close()
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local function catch ()
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dnet:ethernet_close()
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pcap:pcap_close()
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end
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local try = nmap.new_try(catch)
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try(dnet:ethernet_open(if_nfo.device))
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pcap:pcap_open(if_nfo.device, 128, false, "icmp6 and ip6[6:1] = 58 and ip6[40:1] = 129")
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local probe = packet.Frame:new()
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probe.mac_src = src_mac
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probe.mac_dst = dst_mac
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probe.ip_bin_src = src_ip6
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probe.ip_bin_dst = dst_ip6
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probe.echo_id = 5
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probe.echo_seq = 6
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probe.echo_data = "Nmap host discovery."
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probe:build_icmpv6_echo_request()
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probe:build_icmpv6_header()
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probe:build_ipv6_packet()
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probe:build_ether_frame()
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try(dnet:ethernet_send(probe.frame_buf))
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pcap:set_timeout(1000)
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local pcap_timeout_count = 0
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local nse_timeout = 5
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local start_time = nmap:clock()
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local cur_time = nmap:clock()
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repeat
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local status, length, layer2, layer3 = pcap:pcap_receive()
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cur_time = nmap:clock()
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if not status then
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pcap_timeout_count = pcap_timeout_count + 1
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else
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local reply = packet.Frame:new(layer2..layer3)
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if reply.mac_dst == src_mac then
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local target_str = reply.ip_src
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if not results[target_str] then
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if target.ALLOW_NEW_TARGETS then
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target.add(target_str)
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end
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results[#results + 1] = { address = target_str, mac = stdnse.format_mac(reply.mac_src), iface = if_nfo.device }
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results[target_str] = true
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end
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end
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end
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local try = nmap.new_try(catch)
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until pcap_timeout_count >= 2 or cur_time - start_time >= nse_timeout
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try(dnet:ethernet_open(if_nfo.device))
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pcap:pcap_open(if_nfo.device, 128, false, "icmp6 and ip6[6:1] = 58 and ip6[40:1] = 129")
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dnet:ethernet_close()
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pcap:pcap_close()
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local probe = packet.Frame:new()
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probe.mac_src = src_mac
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probe.mac_dst = dst_mac
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probe.ip_bin_src = src_ip6
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probe.ip_bin_dst = dst_ip6
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probe.echo_id = 5
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probe.echo_seq = 6
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probe.echo_data = "Nmap host discovery."
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probe:build_icmpv6_echo_request()
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probe:build_icmpv6_header()
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probe:build_ipv6_packet()
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probe:build_ether_frame()
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try(dnet:ethernet_send(probe.frame_buf))
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pcap:set_timeout(1000)
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local pcap_timeout_count = 0
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local nse_timeout = 5
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local start_time = nmap:clock()
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local cur_time = nmap:clock()
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repeat
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local status, length, layer2, layer3 = pcap:pcap_receive()
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cur_time = nmap:clock()
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if not status then
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pcap_timeout_count = pcap_timeout_count + 1
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else
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local reply = packet.Frame:new(layer2..layer3)
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if reply.mac_dst == src_mac then
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local target_str = reply.ip_src
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if not results[target_str] then
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if target.ALLOW_NEW_TARGETS then
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target.add(target_str)
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end
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results[#results + 1] = { address = target_str, mac = stdnse.format_mac(reply.mac_src), iface = if_nfo.device }
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results[target_str] = true
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end
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end
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end
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until pcap_timeout_count >= 2 or cur_time - start_time >= nse_timeout
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dnet:ethernet_close()
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pcap:pcap_close()
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condvar("signal")
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condvar("signal")
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end
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local function format_output(results)
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local output = tab.new()
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local output = tab.new()
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for _, record in ipairs(results) do
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tab.addrow(output, "IP: " .. record.address, "MAC: " .. record.mac, "IFACE: " .. record.iface)
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end
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if #results > 0 then
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output = { tab.dump(output) }
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if not target.ALLOW_NEW_TARGETS then
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output[#output + 1] = "Use --script-args=newtargets to add the results as targets"
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end
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return stdnse.format_output(true, output)
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end
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for _, record in ipairs(results) do
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tab.addrow(output, "IP: " .. record.address, "MAC: " .. record.mac, "IFACE: " .. record.iface)
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end
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if #results > 0 then
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output = { tab.dump(output) }
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if not target.ALLOW_NEW_TARGETS then
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output[#output + 1] = "Use --script-args=newtargets to add the results as targets"
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end
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return stdnse.format_output(true, output)
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end
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end
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action = function()
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local threads = {}
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local results = {}
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local condvar = nmap.condvar(results)
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local threads = {}
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local results = {}
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local condvar = nmap.condvar(results)
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for _, if_nfo in ipairs(get_interfaces()) do
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-- create a thread for each interface
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local co = stdnse.new_thread(single_interface_broadcast, if_nfo, results)
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threads[co] = true
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end
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for _, if_nfo in ipairs(get_interfaces()) do
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-- create a thread for each interface
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local co = stdnse.new_thread(single_interface_broadcast, if_nfo, results)
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threads[co] = true
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end
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repeat
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for thread in pairs(threads) do
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if coroutine.status(thread) == "dead" then threads[thread] = nil end
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end
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if ( next(threads) ) then
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condvar "wait"
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end
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until next(threads) == nil
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repeat
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for thread in pairs(threads) do
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if coroutine.status(thread) == "dead" then threads[thread] = nil end
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end
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if ( next(threads) ) then
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condvar "wait"
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end
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until next(threads) == nil
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return format_output(results)
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return format_output(results)
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end
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