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Minor code simplification using tableaux.invert

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nnposter
2020-12-16 18:03:08 +00:00
parent 1b39988bf9
commit 003849f795
1 changed files with 2 additions and 9 deletions
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11
nselib/smb2.lua
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@@ -21,7 +21,6 @@ local match = require "match"
_ENV = stdnse.module("smb2", stdnse.seeall) _ENV = stdnse.module("smb2", stdnse.seeall)
local TIMEOUT = 10000 local TIMEOUT = 10000
local command_names = {}
local command_codes = local command_codes =
{ {
SMB2_COM_NEGOTIATE = 0x0000, SMB2_COM_NEGOTIATE = 0x0000,
@@ -44,7 +43,7 @@ local command_codes =
SMB2_COM_SET_INFO = 0x0011, SMB2_COM_SET_INFO = 0x0011,
SMB2_COM_OPLOCK_BREAK = 0x0012 SMB2_COM_OPLOCK_BREAK = 0x0012
} }
local smb2_values_codes = {} local command_names = tableaux.invert(command_codes)
local smb2_values = { local smb2_values = {
-- Security Mode -- Security Mode
SMB2_NEGOTIATE_SIGNING_ENABLED = 0x0001, SMB2_NEGOTIATE_SIGNING_ENABLED = 0x0001,
@@ -61,13 +60,7 @@ local smb2_values = {
SMB2_ENCRYPTION_CAPABILITIES = 0x0002, SMB2_ENCRYPTION_CAPABILITIES = 0x0002,
SMB2_PREAUTH_INTEGRITY_CAPABILITIES = 0x0001 SMB2_PREAUTH_INTEGRITY_CAPABILITIES = 0x0001
} }
local smb2_values_codes = tableaux.invert(smb2_values)
for i, v in pairs(command_codes) do
command_names[v] = i
end
for i, v in pairs(smb2_values) do
smb2_values_codes[v] = i
end
--- ---
-- Creates a SMB2 SYNC header packet. -- Creates a SMB2 SYNC header packet.