Bash script para copiar archivos y dependencias al directorio jaula de ssh jail

 

chrootDir="/home"
copyToJail="/bin/ls /bin/ping /bin/time /bin/alias /usr/bin/which /bin/top /bin/ps /bin/vi /bin/vim /bin/nano /bin/openssl /etc/bashrc /etc/hostname /etc/profile.d /etc/profile /bin/bash /bin/env /bin/tail /bin/cat /bin/tail /bin/more"
copyToJail="$copyToJail /bin/head"

for eachCommand in $(echo $copyToJail); do

	execDir=$(echo $eachCommand |xargs dirname)
	
	if [ ! -d "$chrootDir$execDir" ]; then
		mkdir -p $chrootDir$execDir
	fi
		#eachCommand has a / at the beggining
		if [ ! -e "$chrootDir$eachCommand" ]; then
			cp -r --preserve=all $eachCommand $chrootDir$execDir
		fi
	
	ldd $eachCommand 1>>/dev/null 2>>/dev/null

	if [ $? -eq 0 ]; then
		for depFile in $(ldd $eachCommand 2>>/dev/null | cut -d '>' -f2 | cut -d '(' -f1 | grep -v -e '^[[:space:]]*$'); do 
		
			fileDir=$(echo $depFile |xargs dirname)
			
			if [ ! -d "$chrootDir$fileDir" ]; then
				mkdir -p $chrootDir$fileDir
			fi

			#fileDir has a / at the beggining
			if [ ! -e "$chrootDir$depFile" ]; then
				cp --preserve=all $depFile $chrootDir$fileDir/
			fi
	 	done
	fi
done