mirror of
https://github.com/netblue30/firejail.git
synced 2026-05-15 14:16:14 -06:00
46 lines
1.8 KiB
Bash
Executable file
46 lines
1.8 KiB
Bash
Executable file
#!/bin/bash
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# build a very small chroot
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ROOTDIR="/tmp/chroot" # default chroot directory
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DEFAULT_FILES="/bin/bash /bin/sh " # basic chroot files
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DEFAULT_FILES+="/etc/passwd /etc/nsswitch.conf /etc/group "
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DEFAULT_FILES+=`find /lib -name libnss*` # files required by glibc
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DEFAULT_FILES+=" /bin/cp /bin/ls /bin/cat /bin/ps /bin/netstat /bin/ping /sbin/ifconfig /usr/bin/touch /bin/ip /bin/hostname /bin/grep /usr/bin/dig /usr/bin/openssl /usr/bin/id /usr/bin/getent /usr/bin/whoami /usr/bin/wc /usr/bin/wget /bin/umount"
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rm -fr $ROOTDIR
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mkdir -p $ROOTDIR/{root,bin,lib,lib64,usr,home,etc,dev/shm,tmp,var/run,var/tmp,var/lock,var/log,proc,sys}
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chmod 777 $ROOTDIR/tmp
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mkdir -p $ROOTDIR/etc/firejail
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mkdir -p $ROOTDIR/home/netblue/.config/firejail
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chown netblue:netblue $ROOTDIR/home/netblue
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chown netblue:netblue $ROOTDIR/home/netblue/.config
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cp /home/netblue/.Xauthority $ROOTDIR/home/netblue/.
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cp -a /etc/skel $ROOTDIR/etc/.
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mkdir $ROOTDIR/home/someotheruser
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mkdir $ROOTDIR/boot
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mkdir $ROOTDIR/selinux
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cp /etc/passwd $ROOTDIR/etc/.
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cp /etc/group $ROOTDIR/etc/.
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cp /etc/hosts $ROOTDIR/etc/.
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cp /etc/hostname $ROOTDIR/etc/.
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mkdir -p $ROOTDIR/usr/lib/x86_64-linux-gnu
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cp -a /usr/lib/x86_64-linux-gnu/openssl-1.0.0 $ROOTDIR/usr/lib/x86_64-linux-gnu/.
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cp -a /usr/lib/ssl $ROOTDIR/usr/lib/.
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touch $ROOTDIR/var/log/syslog
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touch $ROOTDIR/var/tmp/somefile
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SORTED=`for FILE in $* $DEFAULT_FILES; do echo " $FILE "; ldd $FILE | grep -v dynamic | cut -d " " -f 3; done | sort -u`
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for FILE in $SORTED
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do
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cp --parents $FILE $ROOTDIR
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done
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cp --parents /lib64/ld-linux-x86-64.so.2 $ROOTDIR
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cp --parents /lib/ld-linux.so.2 $ROOTDIR
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cp unchroot $ROOTDIR/.
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touch $ROOTDIR/this-is-my-chroot
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cd $ROOTDIR; find .
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mkdir -p usr/lib/firejail/
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cp /usr/lib/firejail/libtrace.so usr/lib/firejail/.
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echo "To enter the chroot directory run: firejail --chroot=$ROOTDIR"
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