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Re: Chrome zero-day vulnerabilities
Posted: Tue Apr 20, 2021 8:11 pm
by salvadordf
thefunkyjoint wrote: ↑Tue Apr 20, 2021 6:13 pm
renab wrote: ↑Mon Apr 19, 2021 9:01 pm
Ok great thanks so much.
I notice in the documentation it mentions that cef_sandbox.lib and libcef.lib can be omitted from the application directory when deploying -- why is that?
Is this true ? I don't need to deploy these two files with my app ? This would be 66MB less in the package !
Yes, it's true. You can even remove some other files if you don't need to support all languages.
Read the "readme" file inside the CEF binaries for more details but don't remove support for "en_US".
That language is required even if your don't use it.
Re: Chrome zero-day vulnerabilities
Posted: Tue Apr 20, 2021 11:13 pm
by thefunkyjoint
Let's say i deploy only the english language file and the language of my country. What would happen if my app is installed in a japanese computer, for instance ?
Re: Chrome zero-day vulnerabilities
Posted: Wed Apr 21, 2021 8:21 am
by salvadordf
You should set GlobalCEFApp.locale with the language code (ISO-639) of the language that will be used for the context menu items in the browser. If the locale file is not available then CEF will use the default (en-US).
These are the code comments for the GlobalCEFApp.locale property :
https://bitbucket.org/chromiumembedded/cef/src/master/include/internal/cef_types.h#lines-311
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///
// The locale string that will be passed to WebKit. If empty the default
// locale of "en-US" will be used. This value is ignored on Linux where locale
// is determined using environment variable parsing with the precedence order:
// LANGUAGE, LC_ALL, LC_MESSAGES and LANG. Also configurable using the "lang"
// command-line switch.
///
These are the comments for the "lang" command line switch :
https://peter.sh/experiments/chromium-command-line-switches/
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The language file that we want to try to open. Of the form language[-country] where
language is the 2 letter code from ISO-639.
Edit : If you remove some of the CEF binaries then you may have to set the GlobalCEFApp.LocalesRequired property with a comma separated list of locales available in your installation. If you use an installer then you can even set GlobalCEFApp.CheckCEFFiles to FALSE.