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Print in verbose mode if unpwdb.timelimit exceeded.

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This commit is contained in:
dmiller
2018-10-22 01:45:58 +00:00
parent 68ed57c3d9
commit ac2052f62b
2 changed files with 12 additions and 9 deletions
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19
nselib/unpwdb.lua
View File

@@ -69,6 +69,7 @@ local io = require "io"
local nmap = require "nmap"
local os = require "os"
local stdnse = require "stdnse"
local datetime = require "datetime"
_ENV = stdnse.module("unpwdb", stdnse.seeall)
local usertable = {}
@@ -149,7 +150,6 @@ timelimit = function()
-- If we're reading from a user-defined username or password list,
-- we'll give them a timeout 1.5x the default. If the "notimelimit"
-- script argument is used, we return nil.
local t = nmap.timing_level()
-- Easy enough
if args.notimelimit then
@@ -163,6 +163,7 @@ timelimit = function()
return limit
end
local t = nmap.timing_level()
if t <= 3 then
return (customdata and 900) or 600
elseif t == 4 then
@@ -216,16 +217,16 @@ end
-- iterator with an argument of "reset" resets the count.
-- @param time_limit Time limit in seconds. Use 0 or <code>nil</code> for no limit.
-- @param count_limit Count limit in seconds. Use 0 or <code>nil</code> for no limit.
-- @param label A string describing the iterator, to be used in verbose print messages.
-- @return boolean Status.
-- @return function The wrapped iterator.
limited_iterator = function(iterator, time_limit, count_limit)
local start, count, elem
limited_iterator = function(iterator, time_limit, count_limit, label)
time_limit = (time_limit and time_limit > 0) and time_limit
count_limit = (count_limit and count_limit > 0) and count_limit
start = os.time()
count = 0
local start = os.time()
local count = 0
label = label or "limited_iterator"
return function(cmd)
if cmd == "reset" then
count = 0
@@ -233,9 +234,11 @@ limited_iterator = function(iterator, time_limit, count_limit)
count = count + 1
end
if count_limit and count > count_limit then
stdnse.verbose1("%s: Count limit %d exceeded.", label, count_limit)
return
end
if time_limit and os.time() - start >= time_limit then
stdnse.verbose1("%s: Time limit %s exceeded.", label, datetime.format_time(time_limit))
return
end
return iterator(cmd)
@@ -262,7 +265,7 @@ usernames = function(time_limit, count_limit)
count_limit = tonumber(args["unpwdb.userlimit"])
end
return true, limited_iterator(iterator, time_limit, count_limit)
return true, limited_iterator(iterator, time_limit, count_limit, "usernames")
end
--- Returns a function closure which returns a new password with every call
@@ -285,7 +288,7 @@ passwords = function(time_limit, count_limit)
count_limit = tonumber(args["unpwdb.passlimit"])
end
return true, limited_iterator(iterator, time_limit, count_limit)
return true, limited_iterator(iterator, time_limit, count_limit, "passwords")
end
--- Returns a new iterator that iterates through its consecutive iterators,

2
scripts/snmp-brute.nse
View File

@@ -129,7 +129,7 @@ local communities = function()
count_limit = tonumber(stdnse.get_script_args("unpwdb.passlimit"))
end
return true, unpwdb.limited_iterator(iterator, time_limit, count_limit)
return true, unpwdb.limited_iterator(iterator, time_limit, count_limit, "communities")
else
stdnse.debug1("Cannot read the communities file, using the nmap username/password database instead")