本文整理汇总了Python中xdrlib.Packer.reset方法的典型用法代码示例。如果您正苦于以下问题：Python Packer.reset方法的具体用法？Python Packer.reset怎么用？Python Packer.reset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类xdrlib.Packer的用法示例。
在下文中一共展示了Packer.reset方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: secure_data
# 需要导入模块: from xdrlib import Packer [as 别名]
# 或者: from xdrlib.Packer import reset [as 别名]
def secure_data(self, cred, data):
log_gss.debug("secure_data(%r)" % cred)
cred = cred.body
if cred.service == rpc_gss_svc_none or \
cred.gss_proc in (RPCSEC_GSS_INIT, RPCSEC_GSS_CONTINUE_INIT):
return data
p = Packer()
context = self._get_context(cred.handle)
try:
if cred.service == rpc_gss_svc_integrity:
# data = opaque[gss_seq_num+data] + opaque[checksum]
p.pack_uint(cred.seq_num)
data = p.get_buffer() + data
token = context.getMIC(data) # XXX BUG set qop
p.reset()
p.pack_opaque(data)
p.pack_opaque(token)
data = p.get_buffer()
elif cred.service == rpc_gss_svc_privacy:
# data = opaque[wrap([gss_seq_num+data])]
p.pack_uint(cred.seq_num)
data = p.get_buffer() + data
token = context.wrap(data) # XXX BUG set qop
p.reset()
p.pack_opaque(token)
data = p.get_buffer()
else:
# Can't get here, but doesn't hurt
log_gss.error("Unknown service %i for RPCSEC_GSS" % cred.service)
except gssapi.Error as e:
# XXX What now?
log_gss.warn("secure_data: gssapi call returned %s" % e.name)
raise
return data示例2: init_cred
# 需要导入模块: from xdrlib import Packer [as 别名]
# 或者: from xdrlib.Packer import reset [as 别名]
def init_cred(self, call, target="[email protected]", source=None, oid=None):
# STUB - need intelligent way to set defaults
good_major = [gssapi.GSS_S_COMPLETE, gssapi.GSS_S_CONTINUE_NEEDED]
p = Packer()
up = GSSUnpacker('')
# Set target (of form [email protected])
target = gssapi.Name(target, gssapi.NT_HOSTBASED_SERVICE)
# Set source (of form USERNAME)
if source is not None:
source = gssapi.Name(source, gssapi.NT_USER_NAME)
gss_cred = gssapi.Credential(gssapi.INITIATE, source.ptr) # XXX
else:
# Just use default cred
gss_cred = None
context = gssapi.Context()
token = None
handle = ''
proc = RPCSEC_GSS_INIT
while True:
# Call initSecContext. If it returns COMPLETE, we are done.
# If it returns CONTINUE_NEEDED, we must send d['token']
# to the target, which will run it through acceptSecContext,
# and give us back a token we need to send through initSecContext.
# Repeat as necessary.
token = context.init(target, token, gss_cred)
if context.open:
# XXX if res.major == CONTINUE there is a bug in library code
# STUB - now what? Just use context?
# XXX need to use res.seq_window
# XXX - what if handle still '' ?
self._add_context(context, handle)
break
# Send token to target using protocol of RFC 2203 sect 5.2.2
credinfo = CredInfo(self, context=handle,
gss_proc=proc)
proc = RPCSEC_GSS_CONTINUE_INIT
p.reset()
p.pack_opaque(token)
header, reply = call(p.get_buffer(), credinfo)
up.reset(reply)
res = up.unpack_rpc_gss_init_res()
up.done()
# res now holds relevent output from target's acceptSecContext call
if res.gss_major not in good_major:
raise gssapi.Error(res.gss_major, res.gss_minor)
handle = res.handle # Should not change between calls
token = res.gss_token # This needs to be sent to initSecContext
return CredInfo(self, context=handle)