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chown_to_webserver(path)
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def rebuild_svn_config(store, config):
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def rebuild_svn_config(store):
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"""Build the complete SVN configuration file.
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@param config: An ivle.config.Config object.
80
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users = store.find(ivle.database.User)
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# TODO: Populate groups with per-offering tutors/lecturers/etc.
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conf_name = config['paths']['svn']['conf']
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temp_name = conf_name + ".new"
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f = open(temp_name, "w")
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if role not in groups:
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groups[role].append(u.login)
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f = open(ivle.conf.svn_conf + ".new", "w")
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f.write("# IVLE SVN Repositories Configuration\n")
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f.write("# Auto-generated on %s\n" % time.asctime())
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#f.write("@admin = rw\n")
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os.rename(temp_name, conf_name)
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chown_to_webserver(conf_name)
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os.rename(ivle.conf.svn_conf + ".new", ivle.conf.svn_conf)
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chown_to_webserver(ivle.conf.svn_conf)
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def rebuild_svn_group_config(store, config):
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def rebuild_svn_group_config(store):
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"""Build the complete SVN configuration file for groups
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@param config: An ivle.config.Config object.
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conf_name = config['paths']['svn']['group_conf']
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temp_name = conf_name + ".new"
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f = open(temp_name, "w")
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f = open(ivle.conf.svn_group_conf + ".new", "w")
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f.write("# IVLE SVN Group Repositories Configuration\n")
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f.write("# Auto-generated on %s\n" % time.asctime())
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f.write("%s = rw\n" % user.login)
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os.rename(temp_name, conf_name)
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chown_to_webserver(conf_name)
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os.rename(ivle.conf.svn_group_conf + ".new", ivle.conf.svn_group_conf)
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chown_to_webserver(ivle.conf.svn_group_conf)
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def make_svn_auth(store, login, config, throw_on_error=True):
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def make_svn_auth(store, login, throw_on_error=True):
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"""Setup svn authentication for the given user.
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Uses the given DB store object. Does not commit to the db.
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# filename is, eg, /var/lib/ivle/svn/ivle.auth
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filename = config['paths']['svn']['auth_ivle']
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passwd = hashlib.md5(uuid.uuid4().bytes).hexdigest()
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if os.path.exists(filename):
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passwd = md5.new(uuid.uuid4().bytes).digest().encode('hex')
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if os.path.exists(ivle.conf.svn_auth_ivle):
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user = ivle.database.User.get_by_login(store, login)
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user.svn_pass = unicode(passwd)
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res = os.system("htpasswd -%smb %s %s %s" % (create, filename,
140
res = os.system("htpasswd -%smb %s %s %s" % (create,
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ivle.conf.svn_auth_ivle,
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if res != 0 and throw_on_error:
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raise Exception("Unable to create ivle-auth for %s" % login)
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# Make sure the file is owned by the web server
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if create == "c":
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chown_to_webserver(filename)
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chown_to_webserver(ivle.conf.svn_auth_ivle)
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raise Exception("Must run make_jail as root")
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# tempdir is for putting backup homes in
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jail_src_base = config['paths']['jails']['src']
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tempdir = os.path.join(jail_src_base, '__temp__')
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tempdir = os.path.join(ivle.conf.jail_base, '__temp__')
204
201
if not os.path.exists(tempdir):
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os.makedirs(tempdir)
206
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elif not os.path.isdir(tempdir):
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os.unlink(tempdir)
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205
os.mkdir(tempdir)
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userdir = os.path.join(jail_src_base, user.login)
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userdir = os.path.join(ivle.conf.jail_src_base, user.login)
210
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homedir = os.path.join(userdir, 'home')
211
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userhomedir = os.path.join(homedir, user.login) # Return value
220
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warnings.simplefilter('ignore')
221
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homebackup = os.tempnam(tempdir)
222
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warnings.resetwarnings()
223
# Back up the /home directory, delete the entire jail, recreate the
224
# jail directory tree, then copy the /home back
225
# NOTE that shutil.move changed in Python 2.6, it now moves a
226
# directory INTO the target (like `mv`), which it didn't use to do.
227
# This code works regardless.
220
# Note: shutil.move does not behave like "mv" - it does not put a file
221
# into a directory if it already exists, just fails. Therefore it is
222
# not susceptible to tmpnam symlink attack.
228
223
shutil.move(homedir, homebackup)
229
224
shutil.rmtree(userdir)
231
226
shutil.move(homebackup, homedir)
232
227
# Change the ownership of all the files to the right unixid
233
228
logging.debug("chown %s's home directory files to uid %d"
234
229
%(user.login, user.unixid))
235
os.spawnvp(os.P_WAIT, 'chown', ['chown', '-R', '%d:%d' % (user.unixid,
236
user.unixid), userhomedir])
230
os.chown(userhomedir, user.unixid, user.unixid)
231
for root, dirs, files in os.walk(userhomedir):
232
for fsobj in dirs + files:
233
os.chown(os.path.join(root, fsobj), user.unixid, user.unixid)
238
235
# No user jail exists
239
236
# Set up the user's home directory
243
240
# Chmod to rwxr-xr-x (755)
244
241
os.chmod(userhomedir, 0755)
246
make_ivle_conf(user.login, userdir, user.svn_pass, config)
247
make_etc_passwd(user.login, userdir, config['paths']['jails']['template'],
243
make_conf_py(user.login, userdir, ivle.conf.jail_system, user.svn_pass)
244
make_etc_passwd(user.login, userdir, ivle.conf.jail_system, user.unixid)
250
246
return userhomedir
252
def make_ivle_conf(username, user_jail_dir, svn_pass, sys_config):
248
def make_conf_py(username, user_jail_dir, staging_dir, svn_pass):
254
250
Creates (overwriting any existing file, and creating directories) a
255
file /etc/ivle/ivle.conf in a given user's jail.
256
@param username: Username.
257
@param user_jail_dir: User's jail dir, ie. ['jails']['src'] + username
258
@param svn_pass: User's SVN password.
259
@param sys_config: An ivle.config.Config object (the system-wide config).
251
file ${python_site_packages}/ivle/conf/conf.py in a given user's jail.
253
user_jail_dir: User's jail dir, ie. ivle.conf.jail_base + username
254
staging_dir: The dir with the staging copy of the jail. (With the
255
template conf.py file).
256
svn_pass: As with make_jail. User's SVN password, but if not supplied,
257
will look up in the DB.
261
conf_path = os.path.join(user_jail_dir, "etc/ivle/ivle.conf")
259
template_conf_path = os.path.join(staging_dir,
260
ivle.conf.python_site_packages[1:], "ivle/conf/conf.py")
261
conf_path = os.path.join(user_jail_dir,
262
ivle.conf.python_site_packages[1:], "ivle/conf/conf.py")
262
263
os.makedirs(os.path.dirname(conf_path))
264
# In the "in-jail" version of conf, we don't need MOST of the details
265
# (it would be a security risk to have them here).
266
# So we just write root_dir.
267
conf_obj = ivle.config.Config(blank=True)
268
conf_obj.filename = conf_path
269
conf_obj['urls']['root'] = sys_config['urls']['root']
270
conf_obj['urls']['public_host'] = sys_config['urls']['public_host']
271
conf_obj['urls']['svn_addr'] = sys_config['urls']['svn_addr']
272
conf_obj['user_info']['login'] = username
273
conf_obj['user_info']['svn_pass'] = svn_pass
265
# Read the contents of the template conf file
267
template_conf_file = open(template_conf_path, "r")
268
template_conf_data = template_conf_file.read()
269
template_conf_file.close()
271
# Couldn't open template conf.py for some reason
272
# Just treat it as empty file
273
template_conf_data = ("# Warning: Problem building config script.\n"
274
"# Could not find template conf.py file.\n")
276
conf_file = open(conf_path, "w")
277
conf_file.write(template_conf_data)
278
conf_file.write("\n# The login name for the owner of the jail\n")
279
conf_file.write("login = %s\n" % repr(username))
280
conf_file.write("\n")
281
conf_file.write("# The subversion-only password for the owner of "
283
conf_file.write("svn_pass = %s\n" % repr(svn_pass))
276
286
# Make this file world-readable
277
287
# (chmod 644 conf_path)
294
304
% (username, unixid, unixid, username))
295
305
passwd_file.close()
297
def mount_jail(login, config):
307
def mount_jail(login):
298
308
# This is where we'll mount to...
299
destdir = os.path.join(config['paths']['jails']['mounts'], login)
309
destdir = os.path.join(ivle.conf.jail_base, login)
300
310
# ... and this is where we'll get the user bits.
301
srcdir = os.path.join(config['paths']['jails']['src'], login)
311
srcdir = os.path.join(ivle.conf.jail_src_base, login)
303
313
if not os.path.exists(destdir):
304
314
os.mkdir(destdir)
305
315
if os.system('/bin/mount -t aufs -o dirs=%s:%s=ro none %s'
306
% (srcdir, config['paths']['jails']['template'],
316
% (srcdir, ivle.conf.jail_system, destdir)) == 0:
308
317
logging.info("mounted user %s's jail." % login)
310
319
logging.error("failed to mount user %s's jail!" % login)