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updateHostsWindows.bat :: refactoring, fixed

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- based on https://stackoverflow.com/a/10052222
- additional flags --auto --minimise (purged useless comments in final file = smaller size)  used
- tested on Windows 10 x64 - works well
This commit is contained in:
FadeMind 2019-09-04 16:44:17 +02:00
parent 0587cbe790
commit 5945a559cd
1 changed files with 44 additions and 13 deletions
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57
updateHostsWindows.bat
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@ -1,3 +1,4 @@
::
:: This script will first create a backup of the original or current hosts
:: file and save it in a file titled "hosts.skel"
::
@ -5,26 +6,56 @@
:: will be copied to the proper path. Next, the DNS cache will be refreshed.
::
:: THIS BAT FILE MUST BE LAUNCHED WITH ADMINISTRATOR PRIVILEGES
:: Admin privileges script based on https://stackoverflow.com/a/10052222
::
::
@ECHO OFF
TITLE Update Hosts
:: Check if we are administrator. If not, exit immediately.
:: BatchGotAdmin
:-------------------------------------
REM --> Check for permissions
IF "%PROCESSOR_ARCHITECTURE%" EQU "amd64" (
>nul 2>&1 "%SYSTEMROOT%\SysWOW64\cacls.exe" "%SYSTEMROOT%\SysWOW64\config\system"
) ELSE (
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
if %ERRORLEVEL% NEQ 0 (
ECHO This script must be run with administrator privileges!
ECHO Please launch command prompt as administrator. Exiting...
EXIT /B 1
)
if not exist "%WINDIR%\System32\drivers\etc\hosts.skel" (
COPY %WINDIR%\System32\drivers\etc\hosts %WINDIR%\System32\drivers\etc\hosts.skel
)
REM --> If error flag set, we do not have admin.
if '%errorlevel%' NEQ '0' (
echo Requesting administrative privileges...
goto UACPrompt
) else ( goto gotAdmin )
:: Update hosts file
python updateHostsFile.py -a
:UACPrompt
echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
set params= %*
echo UAC.ShellExecute "cmd.exe", "/c ""%~s0"" %params:"=""%", "", "runas", 1 >> "%temp%\getadmin.vbs"
:: Move new hosts file in-place
COPY hosts %WINDIR%\System32\drivers\etc\
"%temp%\getadmin.vbs"
del "%temp%\getadmin.vbs"
exit /B
:: Flush the DNS cache
ipconfig /flushdns
:gotAdmin
pushd "%CD%"
CD /D "%~dp0"
:BackupHosts
:: Backup default hosts file
if not exist "%WINDIR%\System32\drivers\etc\hosts.skel" (
COPY %WINDIR%\System32\drivers\etc\hosts %WINDIR%\System32\drivers\etc\hosts.skel
)
:UpdateHosts
:: Update hosts file
python updateHostsFile.py --auto --minimise
:: Move new hosts file in-place
COPY hosts %WINDIR%\System32\drivers\etc\
:: Flush the DNS cache
ipconfig /flushdns
:: Summary note
pause