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fixed bug in timeout not being properly handled

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This commit is contained in:
patrik
2012-04-09 06:36:20 +00:00
parent 798f047a99
commit 89825eccbf
1 changed files with 5 additions and 7 deletions
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12
scripts/targets-ipv6-mld.nse
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@@ -31,7 +31,8 @@ local target = require 'target'
local packet = require 'packet'
local bit = require 'bit'
local bin = require 'bin'
local arg_timeout = stdnse.get_script_args(SCRIPT_NAME, '.timeout') or 10
local arg_timeout = tonumber(stdnse.get_script_args(SCRIPT_NAME .. '.timeout'))
prerule = function()
if ( not(nmap.is_privileged()) ) then
@@ -106,19 +107,16 @@ local function single_interface_broadcast(if_nfo, results)
dnet:ethernet_send(probe.frame_buf)
pcap:set_timeout(10000)
pcap:set_timeout(1000)
local pcap_timeout_count = 0
local nse_timeout = arg_timeout or 10
local start_time = nmap:clock()
local addrs = {}
repeat
local status, length, layer2, layer3 = pcap:pcap_receive()
local cur_time = nmap:clock()
if not status then
pcap_timeout_count = pcap_timeout_count + 1
else
if ( status ) then
local l2reply = packet.Frame:new(layer2)
local reply = packet.Packet:new(layer3, length, true)
if reply.ip6_nhdr == packet.MLD_LISTENER_REPORT then
@@ -131,7 +129,7 @@ local function single_interface_broadcast(if_nfo, results)
end
end
end
until ( pcap_timeout_count >= 2 or cur_time - start_time >= nse_timeout )
until ( cur_time - start_time >= nse_timeout )
dnet:ethernet_close()
pcap:pcap_close()