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Script to automate the creation of chroot to run apache+php+mysql
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| #!/bin/bash | |
| # script to automate the creation of chroot jail | |
| # w/ minimal executables to run apache+php+mysql | |
| CHROOT=/var/jail | |
| DEB_CACHE=/tmp/jail_cache | |
| if [ "$(whoami)" != "root" ]; then | |
| echo "Script must be run as user: root" | |
| exit 1 | |
| fi | |
| function copy_binary() { | |
| for i in $(ldd $* | grep -vE "dynamic|dynamique" | cut -d " " -f 3 | sed 's/://' | sort | uniq) | |
| do | |
| cp --parents $i $CHROOT | |
| done | |
| cp --parents /lib64/ld-linux-x86-64.so.2 $CHROOT | |
| } | |
| function install_package() { | |
| mkdir $DEB_CACHE | |
| cd $DEB_CACHE | |
| for i in $* | |
| do | |
| apt-get download $i && apt-cache depends -i $i | awk '/Depends:/ {print $2}' | sed -E 's/<(.+):.+>/\1/' | xargs apt-get download | |
| done | |
| #dpkg --root=$CHROOT -i *.deb | |
| echo ".deb to install in $DEB_CACHE" | |
| } | |
| # setup directory layout | |
| mkdir $CHROOT | |
| mkdir -p $CHROOT/{dev,etc,home,tmp,proc,root,var} | |
| # setup device | |
| mknod $CHROOT/dev/null c 1 3 | |
| mknod $CHROOT/dev/zero c 1 5 | |
| mknod $CHROOT/dev/tty c 5 0 | |
| mknod $CHROOT/dev/random c 1 8 | |
| mknod $CHROOT/dev/urandom c 1 9 | |
| chmod 0666 $CHROOT/dev/{null,tty,zero} | |
| # copy programs and libraries | |
| copy_binary /bin/{bash,ls,cp,rm,rmdir,cat,mkdir,ln,grep,cut,sed} /usr/bin/{vim,head,tail,which,id,find,xargs} | |
| # install packages | |
| install_package apache2 | |
| # copy vim resource files | |
| cp -r --parents /usr/share/vim $CHROOT | |
| # copy basic system level files | |
| cp --parents /etc/group $CHROOT | |
| cp --parents /etc/passwd $CHROOT | |
| cp --parents /etc/shadow $CHROOT | |
| cp --parents /etc/nsswitch.conf $CHROOT | |
| cp --parents /etc/resolv.conf $CHROOT | |
| cp --parents /etc/hosts $CHROOT | |
| #cp --parents /lib/libnss_* $CHROOT | |
| cp -r --parents /usr/share/terminfo $CHROOT | |
| echo "chroot jail is created. type: chroot $CHROOT to access it" |
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