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nmap/scripts/afp-showmount.nse
2010-01-20 23:47:04 +00:00

148 lines
4.0 KiB
Lua

description = [[ Shows AFP shares and ACLs ]]
---
--@output
-- PORT STATE SERVICE
-- 548/tcp open afp
-- | afp-showmount:
-- | Yoda's Public Folder
-- | Owner: Search,Read,Write
-- | Group: Search,Read
-- | Everyone: Search,Read
-- | User: Search,Read
-- | Vader's Public Folder
-- | Owner: Search,Read,Write
-- | Group: Search,Read
-- | Everyone: Search,Read
-- | User: Search,Read
-- |_ Options: IsOwner
-- Version 0.3
-- Created 01/03/2010 - v0.1 - created by Patrik Karlsson
-- Revised 01/13/2010 - v0.2 - Fixed a bug where a single share wouldn't show due to formatting issues
-- Revised 01/20/2010 - v0.3 - removed superflous functions
author = "Patrik Karlsson"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
require 'shortport'
require 'stdnse'
require 'afp'
portrule = shortport.portnumber(548, "tcp")
--- Converts a group bitmask of Search, Read and Write to table
--
-- @param acls number containing bitmasked acls
-- @return table of ACLs
function acl_group_to_long_string(acls)
local acl_table = {}
if bit.band( acls, afp.ACLS.OwnerSearch ) == afp.ACLS.OwnerSearch then
table.insert( acl_table, "Search")
end
if bit.band( acls, afp.ACLS.OwnerRead ) == afp.ACLS.OwnerRead then
table.insert( acl_table, "Read")
end
if bit.band( acls, afp.ACLS.OwnerWrite ) == afp.ACLS.OwnerWrite then
table.insert( acl_table, "Write")
end
return acl_table
end
--- Converts a numeric acl to string
--
-- @param acls number containig acls as recieved from <code>fp_get_file_dir_parms</code>
-- @return table of long ACLs
function acls_to_long_string( acls )
local owner = acl_group_to_long_string( bit.band( acls, 255 ) )
local group = acl_group_to_long_string( bit.band( bit.rshift(acls, 8), 255 ) )
local everyone = acl_group_to_long_string( bit.band( bit.rshift(acls, 16), 255 ) )
local user = acl_group_to_long_string( bit.band( bit.rshift(acls, 24), 255 ) )
local blank = bit.band( acls, afp.ACLS.BlankAccess ) == afp.ACLS.BlankAccess and "Blank" or nil
local isowner = bit.band( acls, afp.ACLS.UserIsOwner ) == afp.ACLS.UserIsOwner and "IsOwner" or nil
local options = {}
if blank then
table.insert(options, "Blank")
end
if isowner then
table.insert(options, "IsOwner")
end
local acls_tbl = {}
table.insert( acls_tbl, string.format( "Owner: %s", stdnse.strjoin(",", owner) ) )
table.insert( acls_tbl, string.format( "Group: %s", stdnse.strjoin(",", group) ) )
table.insert( acls_tbl, string.format( "Everyone: %s", stdnse.strjoin(",", everyone) ) )
table.insert( acls_tbl, string.format( "User: %s", stdnse.strjoin(",", user) ) )
if #options > 0 then
table.insert( acls_tbl, string.format( "Options: %s", stdnse.strjoin(",", options ) ) )
end
return acls_tbl
end
action = function(host, port)
local socket = nmap.new_socket()
local status
local result = {}
-- set a reasonable timeout value
socket:set_timeout(5000)
-- do some exception handling / cleanup
local catch = function()
socket:close()
end
local try = nmap.new_try(catch)
try( socket:connect(host.ip, port.number, "tcp") )
response = try( afp.open_session(socket) )
response = try( afp.fp_login( socket, "AFP3.1", "No User Authent") )
response = try( afp.fp_get_user_info( socket ) )
response = try( afp.fp_get_srvr_parms( socket ) )
volumes = response.volumes
for _, vol in pairs(volumes) do
table.insert( result, vol )
status, response = afp.fp_open_vol( socket, afp.VOL_BITMAP.ID, vol )
if status then
local vol_id = response.volume_id
stdnse.print_debug(string.format("Vol_id: %d", vol_id))
local path = {}
path.type = afp.PATH_TYPE.LongNames
path.name = ""
path.len = path.name:len()
response = try( afp.fp_get_file_dir_parms( socket, vol_id, 2, 0, afp.DIR_BITMAP.AccessRights, path ) )
local acls = acls_to_long_string(response.acls)
acls.name = nil
try( afp.fp_close_vol( socket, vol_id ) )
table.insert( result, acls )
end
end
return stdnse.format_output(true, result)
end