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Few variables were not declared as locals. This fixes it.

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This commit is contained in:
aca
2012-06-18 14:44:55 +00:00
parent 1bfc65312a
commit 5c2db9d06f
1 changed files with 11 additions and 10 deletions
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21
scripts/dns-nsec3-enum.nse
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@@ -189,7 +189,7 @@ end
-- convenience function , returns size of a table
local function table_size(tbl)
numItems = 0
local numItems = 0
for k,v in pairs(tbl) do
numItems = numItems + 1
end
@@ -222,8 +222,8 @@ local function query_for_hashes(host,subdomain,domain)
status, result = dns.query(subdomain, {host = host.ip, dtype='NSEC3', retAll=true, retPkt=true, dnssec=true})
if status then
for _, nsec3 in ipairs(auth_filter(result, "NSEC3")) do
h1 = string.lower(remove_suffix(nsec3.dname,domain))
h2 = string.lower(nsec3.hash.base32)
local h1 = string.lower(remove_suffix(nsec3.dname,domain))
local h2 = string.lower(nsec3.hash.base32)
if not table_contains(all_results,"nexthash " .. h1 .. " " .. h2) then
table.insert(all_results, "nexthash " .. h1 .. " " .. h2)
stdnse.print_debug("nexthash " .. h1 .. " " .. h2)
@@ -260,8 +260,8 @@ local function enum(host, port, domain)
dnssec = true
iter = nsec3.iterations
salt = nsec3.salt.hex
h1 = string.lower(remove_suffix(nsec3.dname,domain))
h2 = string.lower(nsec3.hash.base32)
local h1 = string.lower(remove_suffix(nsec3.dname,domain))
local h2 = string.lower(nsec3.hash.base32)
if table_size(todo) == 0 then
table.insert(all_results, "domain " .. domain)
stdnse.print_debug("domain " .. domain)
@@ -311,8 +311,9 @@ local function enum(host, port, domain)
-- find hash that falls into one of the ranges and query for it
while table_size(todo) > 0 and nmap.clock_ms() < end_time do
local hash
hash, subdomain = generate_hash(domain,iter,salt)
queried = false
local queried = false
for a,b in pairs(todo) do
if a == b then
todo[a] = nil
@@ -321,9 +322,9 @@ local function enum(host, port, domain)
if a < b then -- [] range
if hash > a and hash < b then
-- do the query
hash_pairs = query_for_hashes(host,subdomain,domain)
local hash_pairs = query_for_hashes(host,subdomain,domain)
queried = true
changed = false
local changed = false
for h1,h2 in pairs(hash_pairs) do
if h1 == a and h2 == b then -- h1:a h2:b case
todo[a] = nil
@@ -353,9 +354,9 @@ local function enum(host, port, domain)
end
elseif a > b then -- ][ range
if hash > a or hash < b then
hash_pairs = query_for_hashes(host,subdomain,domain)
local hash_pairs = query_for_hashes(host,subdomain,domain)
queried = true
changed = false
local changed = false
for h1,h2 in pairs(hash_pairs) do
if h1 == a and h2 == b then -- h2:b a:h1 case
todo[a] = nil