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Removes unused dependencies from all files in nselib folder.

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This commit is contained in:
rewanth 2017-08-15 07:40:45 +00:00
parent d9504537e6
commit 3218c0f216
7 changed files with 24 additions and 36 deletions
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2
nselib/base32.lua
View file

@ -25,8 +25,6 @@
-- @author Patrick Donnelly <batrick@batbytes.com>
-- @copyright The MIT License (MIT); Copyright (c) 2016 Patrick Joseph Donnelly (batrick@batbytes.com)
local debug1 = require "stdnse".debug1
local assert = assert
local error = error
local ipairs = ipairs

1
nselib/bin.lua
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@ -58,7 +58,6 @@ local tointeger = require "math".tointeger
local char = require "string".char
local insert = require "table".insert
local move = require "table".move
local pack = require "table".pack
local unpack = require "table".unpack

2
nselib/bit.lua
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@ -10,8 +10,6 @@
local select = select
local mininteger = require "math".mininteger
local _ENV = {}
--- Returns the one's complement of <code>a</code>.

2
nselib/data/http-devframework-fingerprints.lua
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@ -1,7 +1,5 @@
local http = require "http"
local io = require "io"
local string = require "string"
local table = require "table"
---
-- http-devframework-fingerprints.lua

2
nselib/ipmi.lua
View file

@ -7,10 +7,8 @@
-- @author "Claudiu Perta <claudiu.perta@gmail.com>"
local bin = require "bin"
local bit = require "bit"
local math = require "math"
local stdnse = require "stdnse"
local string = require "string"
local table = require "table"
_ENV = stdnse.module("ipmi", stdnse.seeall)

1
nselib/multicast.lua
View file

@ -8,7 +8,6 @@ local nmap = require "nmap"
local ipOps = require "ipOps"
local packet = require "packet"
local stdnse = require "stdnse"
local string = require "string"
local table = require "table"
_ENV = stdnse.module("multicast", stdnse.seeall)

50
nselib/smb2.lua
View file

@ -1,6 +1,6 @@
---
-- Implements the Server Message Block (SMB) protocol version 2 and 3.
--
--
-- The implementation extends smb.lua to support SMB dialects 2.02, 2.10, 3.0,
-- 3.02 and 3.11. This is a work in progress and not all commands are
-- implemented yet. Features/functionality will be added as the scripts
@ -8,16 +8,14 @@
-- smb.lua but some fields may have changed name or don't exist anymore.
--
-- @author Paulino Calderon <paulino@calderonpale.com>
-- @copyright Same as Nmap--See https://nmap.org/book/man-legal.html
-- @copyright Same as Nmap--See https://nmap.org/book/man-legal.html
---
local string = require "string"
local stdnse = require "stdnse"
local netbios = require "netbios"
local nmap = require "nmap"
local table = require "table"
local match = require "match"
local math = require "math"
local os = require "os"
_ENV = stdnse.module("smb2", stdnse.seeall)
@ -74,7 +72,7 @@ end
---
-- Creates a SMB2 SYNC header packet.
--
-- SMB2 Packet Header - SYNC:
-- SMB2 Packet Header - SYNC:
-- * https://msdn.microsoft.com/en-us/library/cc246529.aspx
--
-- @param smb The SMB object associated with the connection.
@ -85,7 +83,7 @@ end
function smb2_encode_header_sync(smb, command, overrides)
overrides = overrides or {}
local sig = "\xFESMB" -- SMB2 packet
local sig = "\xFESMB" -- SMB2 packet
local structureSize = 64 -- SYNC header structure size
local flags = 0 -- TODO: Set flags that will work for all dialects
@ -98,8 +96,8 @@ function smb2_encode_header_sync(smb, command, overrides)
local header = string.pack("<c4 I2 I2 I4 I2 I2 I4 I4 I8 I4 I4 I8 c16",
sig, -- 4 bytes: ProtocolId
structureSize, -- 2 bytes: StructureSize. Must be 64.
(overrides['CreditCharge'] or 0), -- 2 bytes: CreditCharge.
(overrides['Status'] or 0), -- 4 bytes: (ChannelSequence/Reserved)/Status.
(overrides['CreditCharge'] or 0), -- 2 bytes: CreditCharge.
(overrides['Status'] or 0), -- 4 bytes: (ChannelSequence/Reserved)/Status.
command, -- 2 bytes: Command.
(overrides['CreditR'] or 0), -- 2 bytes: CreditRequest/CreditResponse.
(overrides['Flags'] or flags), -- 4 bytes: Flags. TODO
@ -115,7 +113,7 @@ function smb2_encode_header_sync(smb, command, overrides)
end
---
-- Sends a SMB2 packet
-- Sends a SMB2 packet
-- @param smb The SMB object associated with the connection
-- @param header The header encoded with <code>smb_encode_sync_header</code>.
-- @param data The data.
@ -235,7 +233,7 @@ end
---
-- Sends SMB2_COM_NEGOTIATE command for a SMB2/SMB3 connection.
-- This function works for dialects 2.02, 2.10, 3.0, 3.02 and 3.11.
--
--
-- Packet structure: https://msdn.microsoft.com/en-us/library/cc246543.aspx
--
-- @param smb The associated SMB connection object.
@ -251,17 +249,17 @@ function negotiate_v2(smb, overrides)
else
DialectCount = 1
end
-- The client MUST set SecurityMode bit to 0x01 if the SMB2_NEGOTIATE_SIGNING_REQUIRED bit is not set,
-- and MUST NOT set this bit if the SMB2_NEGOTIATE_SIGNING_REQUIRED bit is set.
-- The client MUST set SecurityMode bit to 0x01 if the SMB2_NEGOTIATE_SIGNING_REQUIRED bit is not set,
-- and MUST NOT set this bit if the SMB2_NEGOTIATE_SIGNING_REQUIRED bit is set.
-- The server MUST ignore this bit.
local SecurityMode = overrides["SecurityMode"] or smb2_values['SMB2_NEGOTIATE_SIGNING_ENABLED']
local SecurityMode = overrides["SecurityMode"] or smb2_values['SMB2_NEGOTIATE_SIGNING_ENABLED']
local Capabilities = overrides["Capabilities"] or 0 -- SMB 3.x dialect requires capabilities to be constructed
local GUID = overrides["GUID"] or "1234567890123456"
local ClientStartTime = overrides["ClientStartTime"] or 0 -- ClientStartTime only used in dialects > 3.11
local total_data = 0 -- Data counter
local padding_data = "" -- Padding string to align contexts
local context_data -- Holds Context data
local is_0311 = false -- Flag for SMB 3.11
local context_data -- Holds Context data
local is_0311 = false -- Flag for SMB 3.11
local status, err
if not( overrides['Dialects'] ) then -- Set 2.02 as default dialect if user didn't select one
@ -271,7 +269,7 @@ function negotiate_v2(smb, overrides)
header = smb2_encode_header_sync(smb, command_codes['SMB2_COM_NEGOTIATE'], overrides)
-- We construct the first block that works for dialects 2.02 up to 3.11.
data = string.pack("<I2 I2 I2 I2 I4 c16",
data = string.pack("<I2 I2 I2 I2 I4 c16",
StructureSize, -- 2 bytes: StructureSize
DialectCount, -- 2 bytes: DialectCount
SecurityMode, -- 2 bytes: SecurityMode
@ -291,9 +289,9 @@ function negotiate_v2(smb, overrides)
total_data = #header + #data + (DialectCount*2)
padding_data = string.rep("\0", (8 - total_data % 8) % 8)
total_data = total_data + #padding_data
data = data .. string.pack("<I4 I2 I2",
data = data .. string.pack("<I4 I2 I2",
total_data+8, -- NegotiateContextOffset (4 bytes)
0x2, -- NegotiateContextCount (2 bytes)
0x2, -- NegotiateContextCount (2 bytes)
0x0 -- Reserved2 (2 bytes)
)
else -- If it's not 3.11, the bytes are the ClientStartTime (8 bytes)
@ -310,7 +308,7 @@ function negotiate_v2(smb, overrides)
end
-- If 3.11, we now need to add some padding between the dialects and the NegotiateContextList
-- I was only able to get this to work using both NegotiateContexts:
-- I was only able to get this to work using both NegotiateContexts:
-- * SMB2_PREAUTH_INTEGRITY_CAPABILITIES
-- * SMB2_ENCRYPTION_CAPABILITIES
if is_0311 then
@ -323,7 +321,7 @@ function negotiate_v2(smb, overrides)
0x0002, -- Ciphers (2 bytes each): AES-128-GCM
0x0001 -- Ciphers (2 bytes each): AES-128-CCM
)
data = data .. string.pack("<I2 I2 I4",
data = data .. string.pack("<I2 I2 I4",
smb2_values['SMB2_ENCRYPTION_CAPABILITIES'],-- ContextType (2 bytes)
#context_data, -- DataLength (2 bytes)
0x0 -- Reserved (4 bytes)
@ -346,9 +344,9 @@ function negotiate_v2(smb, overrides)
#context_data, -- DataLength (2 bytes)
0x0 -- Reserved (4 bytes)
) .. context_data
end
status, err = smb2_send(smb, header, data)
if not status then
return false, err
@ -365,12 +363,12 @@ function negotiate_v2(smb, overrides)
if status ~= 0 then
stdnse.debug2("SMB2_COM_NEGOTIATE command failed: Dialect not supported.")
return false, "SMB2: Dialect is not supported. Exiting."
end
end
local data_structure_size, security_mode, negotiate_context_count
data_structure_size, smb['security_mode'], smb['dialect'],
data_structure_size, smb['security_mode'], smb['dialect'],
negotiate_context_count, smb['server_guid'], smb['capabilities'],
smb['max_trans'], smb['max_read'], smb['max_write'], smb['time'],
smb['max_trans'], smb['max_read'], smb['max_write'], smb['time'],
smb['start_time'] = string.unpack("<I2 I2 I2 I2 c16 I4 I4 I4 I4 I8 I8", data)
if(smb['dialect'] == nil or smb['capabilities'] == nil or smb['server_guid'] == nil or smb['security_mode'] == nil) then
@ -384,7 +382,7 @@ function negotiate_v2(smb, overrides)
if(smb['time'] == nil) then
smb['time'] = 0
end
if(smb['timezone'] == nil) then
smb['timezone'] = 0
end