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Move stdnse.generate_random_string to new rand.lua

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dmiller
2018-09-08 17:07:06 +00:00
parent deea96de7c
commit 26ef852a28
43 changed files with 123 additions and 186 deletions
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13
scripts/ipv6-ra-flood.nse
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@@ -5,6 +5,7 @@ local stdnse = require "stdnse"
local math = require "math"
local string = require "string"
local os = require "os"
local rand = require "rand"
description = [[
Generates a flood of Router Advertisements (RA) with random source MAC
@@ -81,17 +82,13 @@ end
--- Generates random MAC address
-- @return mac string containing random MAC address
local function random_mac()
local mac = string.format("%02x:%02x:%02x:%02x:%02x:%02x", 00, 180, math.random(256)-1, math.random(256)-1, math.random(256)-1, math.random(256)-1)
return mac
return "\x00\xb4" .. rand.random_string(4)
end
--- Generates random IPv6 prefix
-- @return prefix string containing random IPv6 /64 prefix
local function get_random_prefix()
local prefix = string.format("2a01:%02x%02x:%02x%02x:%02x%02x::", math.random(256)-1, math.random(256)-1, math.random(256)-1, math.random(256)-1, math.random(256)-1, math.random(256)-1)
return prefix
return "\x2a\x01" .. rand.random_string(6) .. ("\0"):rep(8)
end
--- Build an ICMPv6 payload of Router Advertisement.
@@ -158,10 +155,10 @@ local function broadcast_on_interface(iface)
while true do
local src_mac = packet.mactobin(random_mac())
local src_mac = random_mac()
local src_ip6_addr = packet.mac_to_lladdr(src_mac)
local prefix = ipOps.ip_to_str(get_random_prefix())
local prefix = get_random_prefix()
local packet = packet.Frame:new()