Date: Wed, 16 Aug 2017 02:01:03 +0000 From: "James Alastair McLaughlin (PGR)" <j.a.mclaughlin@newcastle.ac.uk> To: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Status of SO_PASSCRED in Linux compatibility Message-ID: <WM!631a7bad86b564163f88ab5c66fa5c2090c4972df76ed539d9a5011ff3864535d45eb55b6b0261d3ac9b18f03f84ffd2!@mailhub-mx2.ncl.ac.uk> References: <7174F105-C70E-40C6-BDEB-FBD6E6CD1DB6@newcastle.ac.uk>
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Dear all,
I've been attempting to run Visual Studio Code[1] in an Ubuntu 16.04 chroot. VS Code is built using Electron, which is basically a minimal chromium to enable building desktop applications using web technology.
While I was able to install VS Code and all its dependencies in my chroot, I'm now stuck with the following error on attempting to run it:
[5269:0816/001320.918234:FATAL:zygote_host_impl_linux.cc(140)] Check failed: base::UnixDomainSocket::EnableReceiveProcessId(fds[0]).
After investigating the Chromium source code, I've found that the EnableReceiveProcessId function calls setsockopt(2) with the SOL_SOCKET level and the option name SO_PASSCRED. This fails because SO_PASSCRED Is not implemented in the Linux socket compatibility layer[2].
After some googling, I've found a patch[3] from 2010 to implement SO_PASSCRED that it seems has never been merged. Does anyone know why, and if there are any plans to merge it?
Thanks,
James
[1] https://github.com/Microsoft/vscode
[2] https://github.com/freebsd/freebsd/blob/5451804107bd7fd8ab0fccba0293f3def6ccf0be/sys/compat/linux/linux_socket.c
[3] https://people.freebsd.org/~nox/linux-so_passcred.patch<https://people.freebsd.org/%7Enox/linux-so_passcred.patch>;
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