谷歌警告去除：请停用以开发者模式运行的扩展程序

目前适用于32/64位的44版以后的chrome。

1.将下列code保存为文件DevWarningPatch.bat，放在安装chrome（chrome.dll）的根目录下。

2.退出chrome，包括后台运行。

3.右键点击DevWarningPatch.bat以管理员身份运行。
本文编译于：http://stackoverflow.com/questions/30287907/how-to-hack-chrome-dll-to-get-rid-of-the-disable-developer-mode-extensions-pop/30361260#30361260。

<# :
@echo off
copy/b "%~f0" "%temp%\%~n0.ps1" >nul
powershell -v 2 -ep bypass -noprofile "%temp%\%~n0.ps1" "'%cd% '" "'%~1'"
del "%temp%\%~n0.ps1"
echo: & pause
exit /b
#>
param([string]$cwd='.', [string]$dll)

function main {
write-host -f white -b black `
"Chrome 'developer mode extensions' warning disabler 2017.09.29"
$pathsDone = @{}
if ($dll -and (gi -literal $dll)) {
doPatch "DRAG'n'DROPPED" ((gi -literal $dll).directoryName + '\')
exit
}
doPatch 'CURRENT DIRECTORY' ((gi -literal $cwd).fullName + '\')
('HKLM', 'HKCU') | %{ $hive = $_
('', '\Wow6432Node') | %{
$key = "${hive}:\SOFTWARE$_\Google\Update\Clients"
gci -ea silentlycontinue $key -r | gp | ?{ $_.CommandLine } | %{
$path = $_.CommandLine -replace '"(.+?\\\d+\.\d+\.\d+\.\d+\\).+', '$1'
if (!$pathsDone[$path.toLower()]) {
doPatch REGISTRY $path
$pathsDone[$path.toLower()] = $true
}
}
}
}
}

function doPatch([string]$pathLabel, [string]$path) {
$dll = Join-Path $path chrome.dll
if (!(Test-Path -literal $dll)) {
return
}
''
$localAppData = [Environment]::GetFolderPath('LocalApplicationData')
"$pathLabel $((split-path $dll).Replace($localAppData, '%LocalAppData%'))"

"`tREADING Chrome.dll..."
$bin = [IO.BinaryReader][IO.File]::OpenRead($dll)
$bytes = $bin.ReadBytes(1MB)

# process PE headers
$BC = [BitConverter]
$coff = $BC::ToUInt32($bytes,0x3C) + 4
$is64 = $BC::ToUInt16($bytes,$coff) -eq 0x8664
$opthdr = $coff+20
$codesize = $BC::ToUInt32($bytes,$opthdr+4)
$imagebase32 = $BC::ToUInt32($bytes,$opthdr+28)

# patch the flag in data section
$bin.BaseStream.Position = $codesize
$data = $BC::ToString($bin.ReadBytes($bin.BaseStream.Length - $codesize))
$bin.Close()
$flag = 'ExtensionDeveloperModeWarning'
$stroffs = $data.IndexOf($BC::ToString($flag[1..99]))
if ($stroffs -lt 0) {
write-host -f red "`t$flag not found"
return
}
if ($data.substring($stroffs-3, 2) -eq '00') {
write-host -f darkgreen "`tALREADY PATCHED"
return
}
$stroffs = $stroffs/3 - 1 + $codesize

$centbrowser = $data.indexOf($BC::ToString('CentBrowser'[0..99])) -gt 0

$EA = $ErrorActionPreference
$ErrorActionPreference = 'silentlyContinue'
$exe = join-path (split-path $path) chrome.exe
while ((get-process chrome -module | ?{ $_.FileName -eq $exe })) {
forEach ($timeout in 15..0) {
write-host -n -b yellow -f black `
"`rChrome is running and will be terminated in $timeout sec. "
write-host -n -b yellow -f darkyellow "Press ENTER to do it now. "
if ([console]::KeyAvailable) {
$key = $Host.UI.RawUI.ReadKey("AllowCtrlC,IncludeKeyDown,NoEcho")
if ($key.virtualKeyCode -eq 13) { break }
if ($key.virtualKeyCode -eq 27) { write-host; exit }
}
sleep 1
}
write-host
get-process chrome | ?{
$_.MainWindowHandle.toInt64() -and ($_ | gps -file).FileName -eq $exe
} | %{
"`tTrying to exit gracefully..."
if ($_.CloseMainWindow()) {
sleep 1
}
}
$killLabelShown = 0
get-process chrome | ?{
($_ | gps -file | select -expand FileName) -eq $exe
} | %{
if (!$killLabelShown++) {
"`tTerminating background chrome processes..."
}
stop-process $_ -force
}
sleep -milliseconds 200
}
$ErrorActionPreference = $EA

$bytes = [IO.File]::ReadAllBytes($dll)
$bytes[$stroffs] = 0
"`tPATCHED $flag flag"

# patch the channel restriction code for stable/beta
$rxChannel = '83-F8-(?:03-7D|02-7F|02-0F-8F)'
# old code: cmp eax,3; jge ...
# new code: cmp eax,2; jg ... (jg can be 2-byte)
function patch64 {
$patterns = "(?<channel>$rxChannel)-.{1,100}-(?<flag>48-8D-)",
"(?<flag>48-8D-).{1250,1350}-(?<channel>$rxChannel)",
"84-C0.{18,48}(?<channel>$rxChannel)-.{30,60}84-C0"
forEach ($pattern in $patterns) {
$pos = 0
$rx = [regex]$pattern
$patternDisplay = $pattern -replace '^(.{40}).+', '$1'
write-host -n -f darkgray "`tLooking for $patternDisplay"
do {
$m = $rx.match($code, $pos)
write-host -n -f darkgray .
if (!$m.success) { break }
$chanpos = $searchBase + $m.groups['channel'].index/3 + 2
if ($pattern -eq $patterns[-1]) {
if ($rx.match($code, $pos + 1)) { return } else { break }
}
$pos = $m.groups['flag'].index + $m.groups['flag'].length
$offs = $BC::ToUInt32($bytes, $searchBase + $pos/3+1)
$diff = $searchBase + $pos/3+5+$offs - $stroffs
} until ($diff -ge 0 -and $diff -le 5120 -and $diff % 256 -eq 0)
write-host
if ($m.success) { break }
}
$chanpos
}
function patch86 {
$flagOffs = [uint32]$stroffs + [uint32]$imagebase32
$flagOffsStr = $BC::ToString($BC::GetBytes($flagOffs))
$variants = "(?<channel>$rxChannel-.{1,100})-68-(?<flag>`$1-.{6}`$2)",
"68-(?<flag>`$1-.{6}`$2).{300,500}E8.{12,32}(?<channel>$rxChannel)",
"E8.{12,32}(?<channel>$rxChannel).{300,500}68-(?<flag>`$1-.{6}`$2)"
forEach ($variant in $variants) {
$pattern = $flagOffsStr -replace '^(..)-.{6}(..)', $variant
$patternDisplay = $pattern -replace '^(.{40}).+', '$1'
write-host -f darkgray "`tLooking for $patternDisplay..."
$minDiff = 65536
foreach ($m in [regex]::matches($code, $pattern)) {
$maybeFlagOffs = $BC::toUInt32($bytes, $searchBase +
$m.groups['flag'].index/3)
$diff = [Math]::abs($maybeFlagOffs - $flagOffs)
if ($diff % 256 -eq 0 -and $diff -lt $minDiff) {
$minDiff = $diff
$chanpos = $searchBase + $m.groups['channel'].index/3 + 2
}
}
}
$chanpos
}
$searchBase = [int]($codesize/2)
foreach ($pass in 1..2) {
if ($centbrowser) { break }
$code = $BC::ToString($bytes, $searchBase, $codesize - $searchBase)
$chanpos = if ($is64) { patch64 } else { patch86 }
if ($chanpos) { break }
$codesize = $searchBase
$searchBase = 0
}
if ($chanpos) {
$bytes[$chanpos] = 9
"`tPATCHED Chrome release channel restriction"
} elseif (!$centbrowser) {
write-host -f red "`tUnable to find the channel code, try updating me"
write-host -f red "`thttp://stackoverflow.com/a/30361260"
return
}

"`tWriting to a temporary dll..."
[IO.File]::WriteAllBytes("$dll.new",$bytes)

"`tBacking up the original dll..."
move -literal $dll "$dll.bak" -force

"`tRenaming the temporary dll as the original dll..."
move -literal "$dll.new" $dll -force

write-host -f green "`tDONE.`n"
[GC]::Collect()
}

main