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Break out the code in smb-psexec.nse that looks for nmap_service.exe, so

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an error message can be displayed in verbose mode, without requiring
debugging.
This commit is contained in:
david
2010-03-03 22:27:51 +00:00
parent 7b3ae6c7d3
commit 6e1daddd55
1 changed files with 21 additions and 16 deletions
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37
scripts/smb-psexec.nse
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@@ -659,12 +659,12 @@ end
-- default, or the file passed as a parameter).
--
--@param host The host table.
--@param config A table to fill with configuration values.
--@return status true or false
--@return config The configuration table or an error message.
local function get_config(host)
local function get_config(host, config)
local status
local filename = nmap.registry.args.config
local config = {}
local settings_file
config.enabled_modules = {}
config.disabled_modules = {}
@@ -699,18 +699,6 @@ local function get_config(host)
-- Initialize the timeout
config.timeout = 0
-- Check if we have 'nmap_service.exe' in the proper location
stdnse.print_debug(1, "smb-psexec: Looking for the service file: nmap_service or nmap_service.exe")
config.local_service_file = locate_file("nmap_service", "exe")
if(config.local_service_file == nil) then
return false, {
"Couldn't find the service file: nmap_service.exe (or nmap_service).",
"Due to false positives in antivirus software, this module is no",
"longer included by default. Please download it from",
NMAP_SERVICE_EXE_DOWNLOAD,
"and place it in nselib/data/psexec/ under the Nmap DATADIR."}
end
-- Figure out which share we're using (this is the first place in the script where a lot of traffic is generated --
-- any possible sanity checking should be done before this)
status, config.share, config.path, config.all_shares = find_share(host)
@@ -1336,11 +1324,28 @@ action = function(host)
local params
local config
local config = {}
local files
-- First check for nmap_service.exe; we can't do anything without it.
stdnse.print_debug(1, "smb-psexec: Looking for the service file: nmap_service or nmap_service.exe")
config.local_service_file = locate_file("nmap_service", "exe")
if (config.local_service_file == nil) then
if nmap.verbosity() > 0 then
return string.format([[
Can't find the service file: nmap_service.exe (or nmap_service).
Due to false positives in antivirus software, this module is no
longer included by default. Please download it from
%s
and place it in nselib/data/psexec/ under the Nmap DATADIR.
]], NMAP_SERVICE_EXE_DOWNLOAD)
else
return
end
end
-- Parse the configuration file
status, config = get_config(host)
status, config = get_config(host, config)
if(not(status)) then
return stdnse.format_output(false, config)
end