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Adding setuid permissions to ping binaries, so sudo is no longer needed #1765

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Jun 5, 2018
Merged

Adding setuid permissions to ping binaries, so sudo is no longer needed #1765

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6 changes: 6 additions & 0 deletions build_debian.sh
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Expand Up @@ -239,6 +239,12 @@ sudo dpkg --root=$FILESYSTEM_ROOT -i target/debs/libwrap0_*.deb || \
## Disable kexec supported reboot which was installed by default
sudo sed -i 's/LOAD_KEXEC=true/LOAD_KEXEC=false/' $FILESYSTEM_ROOT/etc/default/kexec

## Fix ping tools permission so non root user can directly use them
## Note: this is a workaround since aufs doesn't support extended attributes
## Ref: https://github.com/moby/moby/issues/5650#issuecomment-303499489
## TODO: remove workaround when the overlay filesystem support extended attributes
sudo chmod u+s $FILESYSTEM_ROOT/bin/ping{,6}

## Remove sshd host keys, and will regenerate on first sshd start
sudo rm -f $FILESYSTEM_ROOT/etc/ssh/ssh_host_*_key*
sudo cp files/sshd/host-ssh-keygen.sh $FILESYSTEM_ROOT/usr/local/bin/
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