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Fix a ctype error and catch exceptions when deleting things

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This commit is contained in:
Spencer McIntyre 2021-03-17 10:24:47 -04:00
parent bdc9c648d6
commit a155cb8cea
1 changed files with 24 additions and 18 deletions
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42
python/meterpreter/ext_server_stdapi.py
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@ -249,15 +249,15 @@ if has_ctypes:
('InterfaceIdentifier', ctypes.c_uint64),
('MinRouterAdvertisementInterval', ctypes.c_uint32),
('MaxRouterAdvertisementInterval', ctypes.c_uint32),
('AdvertisingEnabled', ctypes.c_bool),
('ForwardingEnabled', ctypes.c_bool),
('WeakHostSend', ctypes.c_bool),
('WeakHostReceive', ctypes.c_bool),
('UseAutomaticMetric', ctypes.c_bool),
('UseNeighborUnreachabilityDetection', ctypes.c_bool),
('ManagedAddressConfigurationSupported', ctypes.c_bool),
('OtherStatefulConfigurationSupported', ctypes.c_bool),
('AdvertiseDefaultRoute', ctypes.c_bool),
('AdvertisingEnabled', ctypes.c_uint8),
('ForwardingEnabled', ctypes.c_uint8),
('WeakHostSend', ctypes.c_uint8),
('WeakHostReceive', ctypes.c_uint8),
('UseAutomaticMetric', ctypes.c_uint8),
('UseNeighborUnreachabilityDetection', ctypes.c_uint8),
('ManagedAddressConfigurationSupported', ctypes.c_uint8),
('OtherStatefulConfigurationSupported', ctypes.c_uint8),
('AdvertiseDefaultRoute', ctypes.c_uint8),
('RouterDiscoveryBehavior', ctypes.c_uint32),
('DadTransmits', ctypes.c_uint32),
('BaseReachableTime', ctypes.c_uint32),
@ -269,14 +269,14 @@ if has_ctypes:
('SitePrefixLength', ctypes.c_uint32),
('Metric', ctypes.c_uint32),
('NlMtu', ctypes.c_uint32),
('Connected', ctypes.c_bool),
('SupportsWakeUpPatterns', ctypes.c_bool),
('SupportsNeighborDiscovery', ctypes.c_bool),
('SupportsRouterDiscovery', ctypes.c_bool),
('Connected', ctypes.c_uint8),
('SupportsWakeUpPatterns', ctypes.c_uint8),
('SupportsNeighborDiscovery', ctypes.c_uint8),
('SupportsRouterDiscovery', ctypes.c_uint8),
('ReachableTime', ctypes.c_uint32),
('TransmitOffload', ctypes.c_uint8),
('ReceiveOffload', ctypes.c_uint8),
('DisableDefaultRoutes', ctypes.c_bool),
('DisableDefaultRoutes', ctypes.c_uint8),
]
class IP_ADDRESS_PREFIX(ctypes.Structure):
_fields_ = [
@ -1407,7 +1407,10 @@ def stdapi_fs_delete_dir(request, response):
del_func = os.unlink
else:
del_func = shutil.rmtree
del_func(dir_path)
try:
del_func(dir_path)
except OSError:
return ERROR_FAILURE, response
return ERROR_SUCCESS, response
@register_function
@ -1415,7 +1418,10 @@ def stdapi_fs_delete_file(request, response):
file_path = packet_get_tlv(request, TLV_TYPE_FILE_PATH)['value']
if has_windll:
subprocess.call(unicode("attrib.exe -r ") + file_path)
os.unlink(unicode(file_path))
try:
os.unlink(unicode(file_path))
except OSError:
return ERROR_FAILURE, response
return ERROR_SUCCESS, response
@register_function
@ -1729,7 +1735,7 @@ def stdapi_net_config_get_interfaces_via_osx_ifconfig():
def stdapi_net_config_get_interfaces_via_windll():
iphlpapi = ctypes.windll.iphlpapi
if not hasattr(iphlpapi, 'GetAdaptersAddresses'):
if not hasattr(iphlpapi, 'GetAdaptersAddresses'): # added in XP / Server 2003
return stdapi_net_config_get_interfaces_via_windll_mib()
Flags = (GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_ANYCAST)
AdapterAddresses = ctypes.c_void_p()
@ -1741,7 +1747,7 @@ def stdapi_net_config_get_interfaces_via_windll():
AdapterAddresses = ctypes.string_at(ctypes.byref(AdapterAddressesData), SizePointer.value)
AdapterAddresses = cstruct_unpack(IP_ADAPTER_ADDRESSES, AdapterAddresses)
if AdapterAddresses.u.s.Length <= 72:
return stdapi_net_config_get_interfaces_via_windll_mib()
raise RuntimeError('invalid AdapterAddresses length')
win_version = windll_GetVersion()
interfaces = []
pAdapterAddresses = ctypes.byref(AdapterAddresses)