def testBadSeqnum1(t, env):
"""Send too large seqnum
FLAGS: create_session all
CODE: CSESS7
"""
c = env.c1.new_client(env.testname(t))
res1 = create_session(c.c, c.clientid, c.seqid)
check(res1)
# REPLAY
badseqid = nfs4lib.inc_u32(nfs4lib.inc_u32(c.seqid))
res2 = create_session(c.c, c.clientid, badseqid)
check(res2, NFS4ERR_SEQ_MISORDERED)
def testBadSeqnum1(t, env):
"""Send too large seqnum
FLAGS: create_session all
CODE: CSESS7
"""
c = env.c1.new_client(env.testname(t))
res1 = create_session(c.c, c.clientid, c.seqid)
check(res1)
# REPLAY
badseqid = nfs4lib.inc_u32(nfs4lib.inc_u32(c.seqid))
res2 = create_session(c.c, c.clientid, badseqid)
check(res2, NFS4ERR_SEQ_MISORDERED)
def testReuseSlotID(t, env):
""" If client reuses a slot ID and sequence ID for a completely
different request, server MAY treat the request as if it is
a retry of what it has already executed. rfc5661 18.46.3
FLAGS: sequence all
CODE: SEQ14
"""
c = env.c1.new_client(env.testname(t))
# CREATE_SESSION
sess1 = c.create_session()
name = "%s_1" % env.testname(t)
res = create_file(sess1, name)
check(res)
sid = sess1.sessionid
seqid = nfs4lib.inc_u32(sess1.seqid)
dir = sess1.c.homedir
res = c.c.compound([op.sequence(sid, seqid, 0, 0, TRUE)] +
nfs4lib.use_obj(dir) + [op.remove(name)])
check(res)
# Reuses slot ID and sequence ID for different request
res = c.c.compound([op.sequence(sid, seqid, 0, 0, TRUE)] +
nfs4lib.use_obj(dir) + [op.rename(name, "test")])
check(res)
def get_id(self, cb=False):
"""Return stateid4 associated with this state.
NOTE assumes lock is held.
"""
if cb:
# seqid zeroed for callbacks per draft22 8.2.2
return stateid4(0, self.other)
else:
# BUG - only increment if has changed
# NOTE - careful about only inc if change, see draft22 9.9
self.seqid = nfs4lib.inc_u32(self.seqid)
return stateid4(self.seqid, self.other)
def get_id(self, cb=False):
"""Return stateid4 associated with this state.
NOTE assumes lock is held.
"""
if cb:
# seqid zeroed for callbacks per draft22 8.2.2
return stateid4(0, self.other)
else:
# BUG - only increment if has changed
# NOTE - careful about only inc if change, see draft22 9.9
self.seqid = nfs4lib.inc_u32(self.seqid)
return stateid4(self.seqid, self.other)
def op_cb_sequence(self, arg, env):
log_cb.info("In CB_SEQUENCE")
if env.index != 0:
return encode_status(NFS4ERR_SEQUENCE_POS)
session = self.sessions.get(arg.csa_sessionid, None)
if session is None:
return encode_status(NFS4ERR_BADSESSION)
# STUB - check connectino binding and creds
channel = session.back_channel
# STUB bounds checking
try:
slot = channel.slots[arg.csa_slotid]
except IndexError:
return encode_status(NFS4ERR_BADSLOT)
env.cache = slot.check_seqid(arg.csa_sequenceid)
# AT this point we are not allowed to return an error
env.caching = arg.csa_cachethis
env.session = session
res = CB_SEQUENCE4resok(session.sessionid, inc_u32(slot.seqid),
arg.csa_slotid,
channel.maxrequests, channel.maxrequests)# STUB
res = self.posthook(arg, env, res)
return encode_status(NFS4_OK, res)
def _add_session(self, csr):
self.seqid = inc_u32(csr.csr_sequence) # XXX Do we need to check this?
sess = SessionRecord(csr, self)
self.c.sessions[sess.sessionid] = sess
return sess
