def fixxids(self, xid, pace=cfg.PACE[0]):
# walk the root, and set all non-iunlink files to xid xid. this
# means that when a non iunlink file is deleted, the proper amount
# of space is freed.
xid = int(xid)
print 'Fixing xids in %s for xid %d... (this may take a while)' % (
self.vpsroot, xid)
p = 0
t, x = 0, 0
for root, dirs, files in os.walk(self.vpsroot):
for file in files + dirs:
path = os.path.join(root, file)
if pace and p >= pace:
sys.stdout.write('.')
sys.stdout.flush()
time.sleep(cfg.PACE[1])
p = 0
else:
p += 1
t += 1 # total file count
if os.path.isdir(path) or path.endswith('dev/null') or \
path.endswith('etc/protocols') or path.endswith('etc/resolv.conf'):
# do not set xid on directories, as this breaks the ohd
# thing which would get permission denied trying to run
# stuff from another context. since space (not security) is
# the prime motivator for this, and dirs are tiny, this is ok
# XXX and of course the dev/null and etc/protocols is a total
# dirty hack to make traceroute work
# XXX or is it?
vsutil.set_file_xid(path, 0)
elif (not vsutil.is_file_immutable_unlink(path)
and not os.path.islink(path)
and os.stat(path).st_nlink == 1):
vsutil.set_file_xid(path, xid)
x += 1 # setxid file count
elif not os.path.islink(path):
# default to 0
vsutil.set_file_xid(path, 0)
print 'Done.\n%d xids of a total of %d has been set to %d' % (x, t,
xid)
def fixxids(self, xid, pace=cfg.PACE[0]):
# walk the root, and set all non-iunlink files to xid xid. this
# means that when a non iunlink file is deleted, the proper amount
# of space is freed.
xid = int(xid)
print 'Fixing xids in %s for xid %d... (this may take a while)' % (self.vpsroot, xid)
p = 0
t, x = 0, 0
for root, dirs, files in os.walk(self.vpsroot):
for file in files + dirs:
path = os.path.join(root, file)
if pace and p >= pace:
sys.stdout.write('.'); sys.stdout.flush()
time.sleep(cfg.PACE[1])
p = 0
else:
p += 1
t += 1 # total file count
if os.path.isdir(path) or path.endswith('dev/null') or \
path.endswith('etc/protocols') or path.endswith('etc/resolv.conf'):
# do not set xid on directories, as this breaks the ohd
# thing which would get permission denied trying to run
# stuff from another context. since space (not security) is
# the prime motivator for this, and dirs are tiny, this is ok
# XXX and of course the dev/null and etc/protocols is a total
# dirty hack to make traceroute work
# XXX or is it?
vsutil.set_file_xid(path, 0)
elif (not vsutil.is_file_immutable_unlink(path) and
not os.path.islink(path) and
os.stat(path).st_nlink == 1):
vsutil.set_file_xid(path, xid)
x += 1 # setxid file count
elif not os.path.islink(path):
# default to 0
vsutil.set_file_xid(path, 0)
print 'Done.\n%d xids of a total of %d has been set to %d' % (x, t, xid)
def fixflags(self):
# This routine sets immutable-unlink flags on all files,
# except those that are marked as config (or mentioned at all)
# in rpms
print 'Fixing flags in %s ... (this will take a while)' % self.vpsroot
# progress indicator
prog_size = 60
sys.stdout.write('[%s]' % (' '*prog_size)); sys.stdout.flush()
p = 0
# list all rpms
# (rpmlint is a good place to look at Python code when it comes
# to completely undocumented rpm-python)
ts = rpm.TransactionSet(self.vpsroot)
rpms = [item[1][rpm.RPMTAG_NAME] for item in ts.IDTXload()]
# a stupid trick. makes the progress indicator move slow at first
# then faster (probably because small rpms are towards the end).
rpms.reverse()
# this will prevent some warnings related to chroot
os.chdir(cfg.VSERVERS_ROOT)
for name in rpms:
# list files in the rpm
it = ts.dbMatch('name', name)
hdr = it.next()
# this creates a list of file in an rpm. the implementation
# is borrowed from rpmlint package, i don't really understand
# how it works, but it does.
files = hdr[rpm.RPMTAG_OLDFILENAMES]
if files == None:
basenames = hdr[rpm.RPMTAG_BASENAMES]
if basenames:
dirnames = hdr[rpm.RPMTAG_DIRNAMES]
dirindexes = hdr[rpm.RPMTAG_DIRINDEXES]
files=[]
if type(dirindexes) == types.IntType:
files.append(dirnames[dirindexes] + basenames[0])
else:
for idx in range(0, len(dirindexes)):
files.append(dirnames[dirindexes[idx]] + basenames[idx])
# now step through those files
for idx in xrange(len(files)):
# do we need a pacing sleep?
if p >= 1000:
# instead of writing a dot, write something meaningful
prog = int(rpms.index(name)/float(len(rpms))*prog_size)
sys.stdout.write('\b'*(prog_size+2))
sys.stdout.write('[%s%s]' % ('='*prog, ' '*(prog_size-prog)))
sys.stdout.flush()
p = 0
else:
p += 1
flags = hdr[rpm.RPMTAG_FILEFLAGS][idx]
if not flags & rpm.RPMFILE_CONFIG:
# (if not a config file)
file = files[idx]
# check against our cloning rules
c, t, s = self.match_path(file)
if c or t or s:
# skip it
continue
else:
abspath = os.path.join(self.vpsroot, file[1:])
if (os.path.exists(abspath)
and (not os.path.islink(abspath))
and (not os.path.isdir(abspath))):
# (do not make symlinks and dirs immutable)
vsutil.set_file_immutable_unlink(abspath)
vsutil.set_file_xid(abspath, 0)
# NOTE that under no circumstances we *unset* the flag. This
# is because e.g. usr/libexec/oh stuff must be iunlink, but
# is not in an rpm.
# reldst is the way it would look relative to self.vpsroot
sys.stdout.write('\b'*(prog_size+2))
sys.stdout.write('[%s]' % ('='*prog_size)); sys.stdout.flush()
print 'Done.'
def fixflags(self):
# This routine sets immutable-unlink flags on all files,
# except those that are marked as config (or mentioned at all)
# in rpms
print 'Fixing flags in %s ... (this will take a while)' % self.vpsroot
# progress indicator
prog_size = 60
sys.stdout.write('[%s]' % (' ' * prog_size))
sys.stdout.flush()
p = 0
# list all rpms
# (rpmlint is a good place to look at Python code when it comes
# to completely undocumented rpm-python)
ts = rpm.TransactionSet(self.vpsroot)
rpms = [item[1][rpm.RPMTAG_NAME] for item in ts.IDTXload()]
# a stupid trick. makes the progress indicator move slow at first
# then faster (probably because small rpms are towards the end).
rpms.reverse()
# this will prevent some warnings related to chroot
os.chdir(cfg.VSERVERS_ROOT)
for name in rpms:
# list files in the rpm
it = ts.dbMatch('name', name)
hdr = it.next()
# this creates a list of file in an rpm. the implementation
# is borrowed from rpmlint package, i don't really understand
# how it works, but it does.
files = hdr[rpm.RPMTAG_OLDFILENAMES]
if files == None:
basenames = hdr[rpm.RPMTAG_BASENAMES]
if basenames:
dirnames = hdr[rpm.RPMTAG_DIRNAMES]
dirindexes = hdr[rpm.RPMTAG_DIRINDEXES]
files = []
if type(dirindexes) == types.IntType:
files.append(dirnames[dirindexes] + basenames[0])
else:
for idx in range(0, len(dirindexes)):
files.append(dirnames[dirindexes[idx]] +
basenames[idx])
# now step through those files
for idx in xrange(len(files)):
# do we need a pacing sleep?
if p >= 1000:
# instead of writing a dot, write something meaningful
prog = int(rpms.index(name) / float(len(rpms)) * prog_size)
sys.stdout.write('\b' * (prog_size + 2))
sys.stdout.write('[%s%s]' % ('=' * prog, ' ' *
(prog_size - prog)))
sys.stdout.flush()
p = 0
else:
p += 1
flags = hdr[rpm.RPMTAG_FILEFLAGS][idx]
if not flags & rpm.RPMFILE_CONFIG:
# (if not a config file)
file = files[idx]
# check against our cloning rules
c, t, s = self.match_path(file)
if c or t or s:
# skip it
continue
else:
abspath = os.path.join(self.vpsroot, file[1:])
if (os.path.exists(abspath)
and (not os.path.islink(abspath))
and (not os.path.isdir(abspath))):
# (do not make symlinks and dirs immutable)
vsutil.set_file_immutable_unlink(abspath)
vsutil.set_file_xid(abspath, 0)
# NOTE that under no circumstances we *unset* the flag. This
# is because e.g. usr/libexec/oh stuff must be iunlink, but
# is not in an rpm.
# reldst is the way it would look relative to self.vpsroot
sys.stdout.write('\b' * (prog_size + 2))
sys.stdout.write('[%s]' % ('=' * prog_size))
sys.stdout.flush()
print 'Done.'
