103
99
os.rename(ivle.conf.svn_conf + ".new", ivle.conf.svn_conf)
104
100
chown_to_webserver(ivle.conf.svn_conf)
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def rebuild_svn_group_config():
102
def rebuild_svn_group_config(store):
107
103
"""Build the complete SVN configuration file for groups
110
groups = conn.get_all('project_group',
111
['groupid', 'groupnm', 'projectsetid'])
112
105
f = open(ivle.conf.svn_group_conf + ".new", "w")
113
106
f.write("# IVLE SVN Group Repositories Configuration\n")
114
107
f.write("# Auto-generated on %s\n" % time.asctime())
117
projectsetid = g['projectsetid']
118
offeringinfo = conn.get_offering_info(projectsetid)
119
subj_short_name = offeringinfo['subj_short_name']
120
year = offeringinfo['year']
121
semester = offeringinfo['semester']
122
reponame = "_".join([subj_short_name, year, semester, g['groupnm']])
109
for group in store.find(ProjectGroup):
110
offering = group.project_set.offering
111
reponame = "_".join([offering.subject.short_name,
112
offering.semester.year,
113
offering.semester.semester,
123
115
f.write("[%s:/]\n"%reponame)
124
users = conn.get_projectgroup_members(g['groupid'])
126
f.write("%s = rw\n"%u['login'])
116
for user in group.members:
117
f.write("%s = rw\n" % user.login)
129
120
os.rename(ivle.conf.svn_group_conf + ".new", ivle.conf.svn_group_conf)
130
121
chown_to_webserver(ivle.conf.svn_group_conf)
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def make_svn_auth(login, throw_on_error=True):
123
def make_svn_auth(store, login, throw_on_error=True):
133
124
"""Setup svn authentication for the given user.
134
FIXME: create local.auth entry
125
Uses the given DB store object. Does not commit to the db.
136
127
passwd = md5.new(uuid.uuid4().bytes).digest().encode('hex')
137
128
if os.path.exists(ivle.conf.svn_auth_ivle):
194
186
Chowns the user's directory within the jail to the given UID.
196
Note: This takes separate username and uid arguments. The UID need not
197
*necessarily* correspond to a Unix username at all, if all you are
198
planning to do is setuid to it. This allows the caller the freedom of
199
deciding the binding between username and uid, if any.
201
188
force: If false, exception if jail already exists for this user.
202
189
If true (default), overwrites it, but preserves home directory.
204
svn_pass: If provided this will be a string, the randomly-generated
205
Subversion password for this user (if you happen to already have it).
206
If not provided, it will be read from the database.
208
191
# MUST run as root or some of this may fail
209
192
if os.getuid() != 0:
210
193
raise Exception("Must run make_jail as root")
212
195
# tempdir is for putting backup homes in
213
tempdir = os.path.join(ivle.conf.jail_base, '__temp__')
196
tempdir = os.path.join(ivle.conf.jail_src_base, '__temp__')
214
197
if not os.path.exists(tempdir):
215
198
os.makedirs(tempdir)
216
199
elif not os.path.isdir(tempdir):
217
200
os.unlink(tempdir)
218
201
os.mkdir(tempdir)
219
userdir = os.path.join(ivle.conf.jail_src_base, username)
202
userdir = os.path.join(ivle.conf.jail_src_base, user.login)
220
203
homedir = os.path.join(userdir, 'home')
221
userhomedir = os.path.join(homedir, username) # Return value
204
userhomedir = os.path.join(homedir, user.login) # Return value
223
206
if os.path.exists(userdir):
239
222
shutil.move(homebackup, homedir)
240
223
# Change the ownership of all the files to the right unixid
241
224
logging.debug("chown %s's home directory files to uid %d"
243
os.chown(userhomedir, uid, uid)
244
for root, dirs, files in os.walk(userhomedir):
245
for fsobj in dirs + files:
246
os.chown(os.path.join(root, fsobj), uid, uid)
225
%(user.login, user.unixid))
226
os.spawnvp(os.P_WAIT, 'chown', ['chown', '-R', '%d:%d' % (user.unixid,
227
user.unixid), userhomedir])
248
229
# No user jail exists
249
230
# Set up the user's home directory
250
231
os.makedirs(userhomedir)
251
232
# Chown (and set the GID to the same as the UID).
252
os.chown(userhomedir, uid, uid)
233
os.chown(userhomedir, user.unixid, user.unixid)
253
234
# Chmod to rwxr-xr-x (755)
254
235
os.chmod(userhomedir, 0755)
256
# There are 2 special files which need to be generated specific to this
257
# user: ${python_site_packages}/lib/conf/conf.py and /etc/passwd.
258
# "__" username "__" users are exempt (special)
259
if not (username.startswith("__") and username.endswith("__")):
260
make_conf_py(username, userdir, ivle.conf.jail_system, svn_pass)
261
make_etc_passwd(username, userdir, ivle.conf.jail_system, uid)
237
make_conf_py(user.login, userdir, user.svn_pass)
238
make_etc_passwd(user.login, userdir, ivle.conf.jail_system, user.unixid)
263
240
return userhomedir
265
def make_conf_py(username, user_jail_dir, staging_dir, svn_pass=None):
242
def make_conf_py(username, user_jail_dir, svn_pass):
267
244
Creates (overwriting any existing file, and creating directories) a
268
245
file ${python_site_packages}/ivle/conf/conf.py in a given user's jail.
269
246
username: Username.
270
247
user_jail_dir: User's jail dir, ie. ivle.conf.jail_base + username
271
staging_dir: The dir with the staging copy of the jail. (With the
272
template conf.py file).
273
svn_pass: As with make_jail. User's SVN password, but if not supplied,
274
will look up in the DB.
248
svn_pass: User's SVN password.
276
template_conf_path = os.path.join(staging_dir,
277
ivle.conf.python_site_packages[1:], "ivle/conf/conf.py")
278
250
conf_path = os.path.join(user_jail_dir,
279
251
ivle.conf.python_site_packages[1:], "ivle/conf/conf.py")
280
252
os.makedirs(os.path.dirname(conf_path))
282
# If svn_pass isn't supplied, grab it from the DB
284
dbconn = ivle.db.DB()
285
svn_pass = dbconn.get_user(username).svn_pass
288
# Read the contents of the template conf file
290
template_conf_file = open(template_conf_path, "r")
291
template_conf_data = template_conf_file.read()
292
template_conf_file.close()
294
# Couldn't open template conf.py for some reason
295
# Just treat it as empty file
296
template_conf_data = ("# Warning: Problem building config script.\n"
297
"# Could not find template conf.py file.\n")
254
# In the "in-jail" version of conf, we don't need MOST of the details
255
# (it would be a security risk to have them here).
256
# So we just write root_dir, and jail_base is "/".
257
# (jail_base being "/" means "jail-relative" paths are relative to "/"
258
# when inside the jail.)
260
# XXX: jail_base is wrong and shouldn't be here. Unfortunately, jail code
261
# uses ivle.studpath.url_to_{local,jailpaths}, both of which use
262
# jail_base. Note that they don't use the bits of the return value
263
# that depend on jail_base, so it can be any string.
299
264
conf_file = open(conf_path, "w")
300
conf_file.write(template_conf_data)
301
conf_file.write("\n# The login name for the owner of the jail\n")
302
conf_file.write("login = %s\n" % repr(username))
303
conf_file.write("\n")
304
conf_file.write("# The subversion-only password for the owner of "
306
conf_file.write("svn_pass = %s\n" % repr(svn_pass))
265
conf_file.write("""# IVLE jail configuration
267
# In URL space, where in the site is IVLE located. (All URLs will be prefixed
269
# eg. "/" or "/ivle".
270
root_dir = %(root_dir)r
272
# This value is not relevant inside the jail, but must remain for now. See
273
# the XXX in ivle.makeuser.make_conf_py.
276
# The hostname for serving publicly accessible pages
277
public_host = %(public_host)r
279
# The URL under which the Subversion repositories are located.
280
svn_addr = %(svn_addr)r
282
# The login name for the owner of the jail
285
# The subversion-only password for the owner of the jail
286
svn_pass = %(svn_pass)r
287
""" % {'root_dir': ivle.conf.root_dir,
288
'public_host': ivle.conf.public_host,
289
'svn_addr': ivle.conf.svn_addr,
290
'username': username,
291
'svn_pass': svn_pass,
307
293
conf_file.close()
309
295
# Make this file world-readable
327
313
% (username, unixid, unixid, username))
328
314
passwd_file.close()
330
def make_user_db(throw_on_error = True, **kwargs):
331
"""Creates a user's entry in the database, filling in all the fields.
332
All arguments must be keyword args. They are the fields in the table.
333
However, instead of supplying a "passhash", you must supply a
334
"password" argument, which will be hashed internally.
335
Also do not supply a state. All users are created in the "no_agreement"
337
Also pulls the user's subjects using the configured subject pulldown
338
module, and adds enrolments to the DB.
339
Throws an exception if the user already exists.
341
dbconn = ivle.db.DB()
342
dbconn.create_user(**kwargs)
345
if kwargs['password']:
346
if os.path.exists(ivle.conf.svn_auth_local):
350
res = os.system("htpasswd -%smb %s %s %s" % (create,
351
ivle.conf.svn_auth_local,
354
if res != 0 and throw_on_error:
355
raise Exception("Unable to create local-auth for %s" % kwargs['login'])
357
# Make sure the file is owned by the web server
359
chown_to_webserver(ivle.conf.svn_auth_local)
361
# Pulldown subjects and add enrolments
362
ivle.pulldown_subj.enrol_user(kwargs['login'])
364
316
def mount_jail(login):
365
317
# This is where we'll mount to...
366
318
destdir = os.path.join(ivle.conf.jail_base, login)