def cleanQueue(self, secureDeleteFn=None):
"""Removes all timed-out or trash messages from the filestore.
If secureDeleteFn is provided, it is called with a list of
filenames to be removed. Otherwise, files are removed using
secureDelete.
Returns 1 if a clean is already in progress; otherwise
returns 0.
"""
# We don't need to hold the lock here; we synchronize via the
# filesystem.
rmv = []
allowedTime = int(time.time()) - INPUT_TIMEOUT
for m in os.listdir(self.dir):
if m.startswith("rmv_") or m.startswith("rmvm_"):
rmv.append(os.path.join(self.dir, m))
elif m.startswith("inp_"):
try:
s = os.stat(m)
if s[stat.ST_MTIME] < allowedTime:
self._changeState(m[4:], "inp", "rmv")
rmv.append(os.path.join(self.dir, m))
except OSError:
pass
if secureDeleteFn:
secureDeleteFn(rmv)
else:
secureDelete(rmv, blocking=1)
def cleanQueue(self, secureDeleteFn=None):
"""Removes all timed-out or trash messages from the filestore.
If secureDeleteFn is provided, it is called with a list of
filenames to be removed. Otherwise, files are removed using
secureDelete.
Returns 1 if a clean is already in progress; otherwise
returns 0.
"""
# We don't need to hold the lock here; we synchronize via the
# filesystem.
rmv = []
allowedTime = int(time.time()) - INPUT_TIMEOUT
for m in os.listdir(self.dir):
if m.startswith("rmv_") or m.startswith("rmvm_"):
rmv.append(os.path.join(self.dir, m))
elif m.startswith("inp_"):
try:
s = os.stat(m)
if s[stat.ST_MTIME] < allowedTime:
self._changeState(m[4:], "inp", "rmv")
rmv.append(os.path.join(self.dir, m))
except OSError:
pass
if secureDeleteFn:
secureDeleteFn(rmv)
else:
secureDelete(rmv, blocking=1)
def __init__(self, keyroot, keyname, hashroot):
"""Load a set of keys named "keyname" on a server where all keys
are stored under the directory "keyroot" and hashlogs are stored
under "hashroot". """
self.keyroot = keyroot
self.keyname = keyname
self.hashroot= hashroot
self.keydir = keydir = os.path.join(keyroot, "key_"+keyname)
self.hashlogFile = os.path.join(hashroot, "hash_"+keyname)
self.packetKeyFile = os.path.join(keydir, "mix.key")
self.mmtpKeyFile = os.path.join(keydir, "mmtp.key")
self.certFile = os.path.join(keydir, "mmtp.cert")
if os.path.exists(self.mmtpKeyFile):
secureDelete(self.mmtpKeyFile)
if os.path.exists(self.certFile):
secureDelete(self.certFile)
self.descFile = os.path.join(keydir, "ServerDesc")
self.publishedFile = os.path.join(keydir, "published")
self.serverinfo = None
self.validAfter = None
self.validUntil = None
self.published = os.path.exists(self.publishedFile)
if not os.path.exists(keydir):
createPrivateDir(keydir)
def __init__(self, keyroot, keyname, hashroot):
"""Load a set of keys named "keyname" on a server where all keys
are stored under the directory "keyroot" and hashlogs are stored
under "hashroot". """
self.keyroot = keyroot
self.keyname = keyname
self.hashroot = hashroot
self.keydir = keydir = os.path.join(keyroot, "key_" + keyname)
self.hashlogFile = os.path.join(hashroot, "hash_" + keyname)
self.packetKeyFile = os.path.join(keydir, "mix.key")
self.mmtpKeyFile = os.path.join(keydir, "mmtp.key")
self.certFile = os.path.join(keydir, "mmtp.cert")
if os.path.exists(self.mmtpKeyFile):
secureDelete(self.mmtpKeyFile)
if os.path.exists(self.certFile):
secureDelete(self.certFile)
self.descFile = os.path.join(keydir, "ServerDesc")
self.publishedFile = os.path.join(keydir, "published")
self.serverinfo = None
self.validAfter = None
self.validUntil = None
self.published = os.path.exists(self.publishedFile)
if not os.path.exists(keydir):
createPrivateDir(keydir)
def delete(self):
"""Remove this keyset from disk."""
files = [
self.packetKeyFile, self.descFile, self.publishedFile,
self.hashlogFile
]
files = [f for f in files if os.path.exists(f)]
secureDelete(files, blocking=1)
mixminion.server.HashLog.deleteHashLog(self.hashlogFile)
os.rmdir(self.keydir)
def delete(self):
"""Remove this keyset from disk."""
files = [self.packetKeyFile,
self.descFile,
self.publishedFile,
self.hashlogFile ]
files = [f for f in files if os.path.exists(f)]
secureDelete(files, blocking=1)
mixminion.server.HashLog.deleteHashLog(self.hashlogFile)
os.rmdir(self.keydir)
def removeIdentityKey(self):
"""Remove this server's identity key."""
fn = os.path.join(self.keyDir, "identity.key")
if not os.path.exists(fn):
LOG.info("No identity key to remove.")
else:
LOG.warn("Removing identity key in 10 seconds")
time.sleep(10)
LOG.warn("Removing identity key")
secureDelete([fn], blocking=1)
if os.path.exists(self.dhFile):
LOG.info("Removing diffie-helman parameters file")
secureDelete([self.dhFile], blocking=1)
def removeIdentityKey(self):
"""Remove this server's identity key."""
fn = os.path.join(self.keyDir, "identity.key")
if not os.path.exists(fn):
LOG.info("No identity key to remove.")
else:
LOG.warn("Removing identity key in 10 seconds")
time.sleep(10)
LOG.warn("Removing identity key")
secureDelete([fn], blocking=1)
if os.path.exists(self.dhFile):
LOG.info("Removing diffie-helman parameters file")
secureDelete([self.dhFile], blocking=1)
def cleanMetadata(self,secureDeleteFn=None):
"""Find all orphaned metadata files and remove them."""
hSet = {}
for h in self.getAllMessages():
hSet[h] = 1
rmv = []
for h in [fn[5:] for fn in os.listdir(self.dir)
if fn.startswith("meta_")]:
if not hSet.get(h):
rmv.append("meta_"+h)
if rmv:
LOG.warn("Removing %s orphaned metadata files from %s",
len(rmv), self.dir)
if secureDeleteFn:
secureDeleteFn(rmv)
else:
secureDelete(rmv, blocking=1)
def cleanMetadata(self, secureDeleteFn=None):
"""Find all orphaned metadata files and remove them."""
hSet = {}
for h in self.getAllMessages():
hSet[h] = 1
rmv = []
for h in [
fn[5:] for fn in os.listdir(self.dir) if fn.startswith("meta_")
]:
if not hSet.get(h):
rmv.append("meta_" + h)
if rmv:
LOG.warn("Removing %s orphaned metadata files from %s", len(rmv),
self.dir)
if secureDeleteFn:
secureDeleteFn(rmv)
else:
secureDelete(rmv, blocking=1)
def fileOpsTiming():
print "#================= File ops ====================="
installSIGCHLDHandler()
dname = mix_mktemp(".d")
os.mkdir(dname)
lockfile = Lockfile(os.path.join("dname"))
t1 = time()
for _ in xrange(2000):
lockfile.acquire(blocking=1)
lockfile.release()
t = time()-t1
print "Lockfile: lock+unlock", timestr(t/2000.)
for i in xrange(200):
f = open(os.path.join(dname, str(i)), 'wb')
f.write(s32K)
f.close()
lst = [os.path.join(dname,str(i)) for i in range(100) ]
t1 = time()
secureDelete(lst)
t = time()-t1
print "secureDelete (100x32)", timestr(t)
waitForChildren()
t = time()-t1
print " (sync)", timestr(t)
lst = [ os.path.join(dname,str(i)) for i in range(100,200) ]
t1 = time()
for fname in lst:
secureDelete(fname)
t = time()-t1
print "secureDelete (1)", timestr(t/100)
waitForChildren()
t = time()-t1
print " (sync)", timestr(t/100)
def __init__(self, location, create=0, scrub=0):
"""Creates a file store object for a given directory, 'location'. If
'create' is true, creates the directory if necessary. If 'scrub'
is true, removes any incomplete or invalidated messages from the
store."""
secureDelete([]) # Make sure secureDelete is configured. HACK!
self._lock = threading.RLock()
self.dir = location
if not os.path.isabs(location):
LOG.warn("Directory path %s isn't absolute.", location)
if os.path.exists(location) and not os.path.isdir(location):
raise MixFatalError("%s is not a directory" % location)
createPrivateDir(location, nocreate=(not create))
if scrub:
self.cleanQueue()
# Count messages on first time through.
self.n_entries = -1
def deleteHashLog(filename):
"""Remove all files associated with a hashlog."""
try:
_HASHLOG_DICT_LOCK.acquire()
try:
_, hl = _OPEN_HASHLOGS[filename]
LOG.trace("deleteHashLog() removing open hashlog at %s",filename)
hl.close()
except KeyError:
LOG.trace("deleteHashLog() removing closed hashlog at %s",filename)
pass
remove = []
parent,name = os.path.split(filename)
prefix1 = name+"."
prefix2 = name+"."
if os.path.exists(parent):
for fn in os.listdir(parent):
if fn.startswith(prefix1) or fn.startswith(prefix2):
remove.append(os.path.join(parent, fn))
remove = [f for f in remove if os.path.exists(f)]
secureDelete(remove, blocking=1)
finally:
_HASHLOG_DICT_LOCK.release()
def __init__(self, location, create=0, scrub=0):
"""Creates a file store object for a given directory, 'location'. If
'create' is true, creates the directory if necessary. If 'scrub'
is true, removes any incomplete or invalidated messages from the
store."""
secureDelete([]) # Make sure secureDelete is configured. HACK!
self._lock = threading.RLock()
self.dir = location
if not os.path.isabs(location):
LOG.warn("Directory path %s isn't absolute.", location)
if os.path.exists(location) and not os.path.isdir(location):
raise MixFatalError("%s is not a directory" % location)
createPrivateDir(location, nocreate=(not create))
if scrub:
self.cleanQueue()
# Count messages on first time through.
self.n_entries = -1
def deleteHashLog(filename):
"""Remove all files associated with a hashlog."""
try:
_HASHLOG_DICT_LOCK.acquire()
try:
_, hl = _OPEN_HASHLOGS[filename]
LOG.trace("deleteHashLog() removing open hashlog at %s", filename)
hl.close()
except KeyError:
LOG.trace("deleteHashLog() removing closed hashlog at %s",
filename)
pass
remove = []
parent, name = os.path.split(filename)
prefix1 = name + "."
prefix2 = name + "."
if os.path.exists(parent):
for fn in os.listdir(parent):
if fn.startswith(prefix1) or fn.startswith(prefix2):
remove.append(os.path.join(parent, fn))
remove = [f for f in remove if os.path.exists(f)]
secureDelete(remove, blocking=1)
finally:
_HASHLOG_DICT_LOCK.release()
