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@ -9,7 +9,7 @@ RUN apt-get update && \
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apt-get -y upgrade && \
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apt-get -y dist-upgrade && \
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apt-get -fy install && \
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apt-get -y install bzip2 libgtk2.0-0 libgtk-3-0 libdbus-glib-1-2 libxt6 \
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apt-get -y install bzip2 libgtk2.0-0 libgtk-3-0 libdbus-glib-1-2 libxt6 paxctl \
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pulseaudio libgl1-mesa-glx x264 \
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libpango1.0-0 libv4l-0 \
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fonts-opensymbol ttf-ubuntu-font-family \
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@ -42,6 +42,24 @@ RUN cd /tmp && \
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tar xf firefox.tar.bz2 -C /opt/mozilla/ && \
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rm -f firefox.tar.bz2
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# Make Mozilla Firefox grsec friendly
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# more info: https://en.wikibooks.org/wiki/Grsecurity/Application-specific_Settings#Firefox_.28or_Iceweasel_in_Debian.29
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#
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# To build the Docker image, I currently had to disable the following grsec protections:
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# # grep -E "chroot_deny_chmod|chroot_deny_mknod|chroot_caps" /etc/sysctl.d/grsec.conf
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# kernel.grsecurity.chroot_deny_chmod = 0
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# kernel.grsecurity.chroot_deny_mknod = 0
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# kernel.grsecurity.chroot_caps = 0 (relates to a systemd package)
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#
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# (runtime only, since xattrs are not preserved in Docker's final image)
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# m: Disable MPROTECT // grsec: denied RWX mmap of <anonymous mapping>
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# RUN setfattr -n user.pax.flags -v "m" /opt/mozilla/firefox/firefox
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#
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# (permanent change, by converting the binary headers PT_GNU_STACK into PT_PAX_FLAGS)
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# m: Disable MPROTECT // grsec: denied RWX mmap of <anonymous mapping>
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RUN paxctl -c -v -m /opt/mozilla/firefox/firefox
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# Google Hangouts
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# Deps: libasound2 libgtk2.0-0 libpango1.0-0 libv4l-0
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ADD https://dl.google.com/linux/direct/google-talkplugin_current_amd64.deb /tmp/google-talkplugin.deb
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