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# Author: Matt Giuca, Refactored by David Coles
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# Compiles all files and sets up a jail template in the source directory.
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# Compiles (GCC) trampoline/trampoline.c to trampoline/trampoline.
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# Creates standard subdirs inside the jail, eg bin, opt, home, tmp.
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# Copies console/ to a location within the jail.
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# Copies OS programs and files to corresponding locations within the jail
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# (eg. python and Python libs, ld.so, etc).
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# Generates .pyc files for all the IVLE .py files.
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from setup import util
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from setuputil import *
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usage = """usage: %prog build [options]
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Compiles platform-specific code, and optionally Python too.
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Compiles all files and sets up a jail template in the source directory.
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-O is recommended to cause compilation to be optimised.
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Compiles (GCC) bin/trampoline/trampoline.c to bin/trampoline/trampoline.
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Compiles (GCC) bin/timount/timount.c to bin/timount/timount.
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Optionally generates .pyc files for all the IVLE .py files."""
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Compiles (GCC) trampoline/trampoline.c to trampoline/trampoline.
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Creates jail with system and student packages installed from MIRROR.
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Copies console/ to a location within the jail.
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Copies OS programs and files to corresponding locations within the jail
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(eg. python and Python libs, ld.so, etc).
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Generates .pyc or .pyo files for all the IVLE .py files."""
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parser = optparse.OptionParser(usage)
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parser.add_option("-n", "--dry",
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action="store_true", dest="dry",
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help="Print out the actions but don't do anything.")
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parser.add_option("--no-compile",
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action="store_true", dest="nocompile",
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help="Don't byte-compile .py files.")
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parser.add_option("-t", "--trampoline-uids",
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action="store", dest="tuids", default="33",
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help="Comma-separated list of UIDs allowed to use trampoline. "
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parser.add_option("-m", "--mirror",
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action="store", dest="apt_mirror",
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help="Sets the APT mirror used to build the jail.")
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(options, args) = parser.parse_args(args)
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# Call the real function
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return __build(options.dry, options.nocompile, options.tuids)
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def __build(dry=False, no_compile=None, tuids=None):
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install_list = util.InstallList()
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__build(options.dry, options.apt_mirror)
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def __build(dry=False,apt_mirror="http://archive.ubuntu.com/ubuntu/"):
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# Importing configuration is a little tricky
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sys.path.append(os.pardir)
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# Must be run as root or a dry run
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print "Dry run (no actions will be executed)\n"
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# Create trampoline configuration.
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conf_hfile = os.path.join(os.getcwd(), "bin/trampoline/conf.h")
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conf_h = open(conf_hfile, "w")
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conf_h.write("""/* IVLE Configuration File
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* Administrator settings required by trampoline.
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* Note: trampoline will have to be rebuilt in order for changes to this file
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#define IVLE_AUFS_JAILS
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/* Which user IDs are allowed to run the trampoline.
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* This list should be limited to the web server user.
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* (Note that root is an implicit member of this list).
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static const int allowed_uids[] = { %s };
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if not dry and os.geteuid() != 0:
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print >>sys.stderr, "Must be root to run build"
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print >>sys.stderr, "(I need to chroot)."
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# Find out the revison number
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revnum = get_svn_revision()
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print "Building Revision %s"%str(revnum)
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vfile = open('BUILD-VERSION','w')
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vfile.write(str(revnum) + '\n')
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# Compile the trampoline
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curdir = os.getcwd()
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os.chdir('bin/trampoline')
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util.action_runprog('make', [], dry)
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os.chdir('bin/timount')
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util.action_runprog('make', [], dry)
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os.chdir('trampoline')
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action_runprog('make', [], dry)
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# Create the jail and its subdirectories
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# Note: Other subdirs will be made by copying files
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action_runprog('./buildjail.sh', [], dry)
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# Copy all console and operating system files into the jail
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action_copylist(install_list.list_scripts, 'jail/opt/ivle', dry)
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# Chmod the python console
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action_chmod_x('jail/opt/ivle/scripts/python-console', dry)
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action_chmod_x('jail/opt/ivle/scripts/fileservice', dry)
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action_chmod_x('jail/opt/ivle/scripts/serveservice', dry)
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# Also copy the IVLE lib directory into the jail
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# This is necessary for running certain scripts
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action_copylist(install_list.list_lib, 'jail/opt/ivle', dry)
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# IMPORTANT: The file jail/opt/ivle/lib/conf/conf.py contains details
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# which could compromise security if left in the jail (such as the DB
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# The "safe" version is in jailconf.py. Delete conf.py and replace it with
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action_copyfile('lib/conf/jailconf.py',
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'jail/opt/ivle/lib/conf/conf.py', dry)
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# Compile .py files into .pyc or .pyo files
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compileall.compile_dir('ivle', quiet=True)
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compileall.compile_dir('services', quiet=True)
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compileall.compile_dir('www', quiet=True)
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compileall.compile_dir('lib', quiet=True)
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compileall.compile_dir('scripts', quiet=True)
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compileall.compile_dir('jail/opt/ivle/lib', quiet=True)
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# Set up ivle.pth inside the jail
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# Need to set /opt/ivle/lib to be on the import path
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"jail/usr/lib/python%s/site-packages/ivle.pth" % PYTHON_VERSION
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f = open(ivle_pth, 'w')
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f.write('/opt/ivle/lib\n')