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Yapf: Minor reformats for recent plugins

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This commit is contained in:
Mike Auty
2020-08-03 16:33:10 +01:00
parent 2e6dc851d3
commit ff32383f82
4 changed files with 36 additions and 42 deletions
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volatility/framework/automagic/linux.py
+1
View File
@@ -139,6 +139,7 @@ class LinuxIntelStacker(interfaces.automagic.StackerLayerInterface):
return addr - 0xffffffff80000000
return addr - 0xc0000000
class LinuxBannerCache(symbol_cache.SymbolBannerCache):
"""Caches the banners found in the Linux symbol files."""
volatility/framework/plugins/linux/keyboard_notifiers.py
+10 -13
View File
@@ -15,26 +15,24 @@ vollog = logging.getLogger(__name__)
class Keyboard_notifiers(interfaces.plugins.PluginInterface):
"""Parses the keyboard notifier call chain"""
@classmethod
def get_requirements(cls):
return [
requirements.TranslationLayerRequirement(name='primary',
description='Memory layer for the kernel',
architectures=["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(
name="vmlinux", description="Linux kernel symbols"),
requirements.PluginRequirement(
name='lsmod', plugin=lsmod.Lsmod, version=(1, 0, 0))
requirements.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "vmlinux", description = "Linux kernel symbols"),
requirements.PluginRequirement(name = 'lsmod', plugin = lsmod.Lsmod, version = (1, 0, 0))
]
def _generator(self):
vmlinux = contexts.Module(
self.context, self.config['vmlinux'], self.config['primary'], 0)
vmlinux = contexts.Module(self.context, self.config['vmlinux'], self.config['primary'], 0)
modules = lsmod.Lsmod.list_modules(self.context, self.config['primary'], self.config['vmlinux'])
handlers = linux.LinuxUtilities.generate_kernel_handler_info(self.context, self.config['primary'], self.config['vmlinux'], modules)
handlers = linux.LinuxUtilities.generate_kernel_handler_info(self.context, self.config['primary'],
self.config['vmlinux'], modules)
try:
knl_addr = vmlinux.object_from_symbol("keyboard_notifier_list")
@@ -48,7 +46,7 @@ class Keyboard_notifiers(interfaces.plugins.PluginInterface):
"This means you are either analyzing an unsupported kernel version or that your symbol table is corrupt."
)
knl = vmlinux.object(object_type="atomic_notifier_head", offset=knl_addr.vol.offset)
knl = vmlinux.object(object_type = "atomic_notifier_head", offset = knl_addr.vol.offset)
for call_back in linux.LinuxUtilities.walk_internal_list(vmlinux, "notifier_block", "next", knl.head):
call_addr = call_back.notifier_call
@@ -57,6 +55,5 @@ class Keyboard_notifiers(interfaces.plugins.PluginInterface):
yield (0, [format_hints.Hex(call_addr), module_name, symbol_name])
def run(self):
return renderers.TreeGrid([("Address", format_hints.Hex), ("Module", str), ("Symbol", str)], self._generator())
volatility/framework/plugins/linux/tty_check.py
+19 -18
View File
@@ -15,29 +15,27 @@ from volatility.framework.renderers import format_hints
vollog = logging.getLogger(__name__)
class tty_check(plugins.PluginInterface):
"""Checks tty devices for hooks"""
@classmethod
def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
return [
requirements.TranslationLayerRequirement(name='primary',
description='Memory layer for the kernel',
architectures=["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(
name="vmlinux", description="Linux kernel symbols"),
requirements.PluginRequirement(
name='lsmod', plugin=lsmod.Lsmod, version=(1, 0, 0))
requirements.TranslationLayerRequirement(name = 'primary',
description = 'Memory layer for the kernel',
architectures = ["Intel32", "Intel64"]),
requirements.SymbolTableRequirement(name = "vmlinux", description = "Linux kernel symbols"),
requirements.PluginRequirement(name = 'lsmod', plugin = lsmod.Lsmod, version = (1, 0, 0))
]
def _generator(self):
vmlinux = contexts.Module(
self.context, self.config['vmlinux'], self.config['primary'], 0)
vmlinux = contexts.Module(self.context, self.config['vmlinux'], self.config['primary'], 0)
modules = lsmod.Lsmod.list_modules(self.context, self.config['primary'], self.config['vmlinux'])
handlers = linux.LinuxUtilities.generate_kernel_handler_info(self.context, self.config['primary'], self.config['vmlinux'], modules)
handlers = linux.LinuxUtilities.generate_kernel_handler_info(self.context, self.config['primary'],
self.config['vmlinux'], modules)
try:
tty_drivers = vmlinux.object_from_symbol("tty_drivers")
@@ -46,7 +44,7 @@ class tty_check(plugins.PluginInterface):
if not tty_drivers:
raise TypeError(
"This plugin requires the tty_drivers structure."
"This plugin requires the tty_drivers structure."
"This structure is not present in the supplied symbol table."
"This means you are either analyzing an unsupported kernel version or that your symbol table is corrupt."
)
@@ -54,10 +52,13 @@ class tty_check(plugins.PluginInterface):
for tty in tty_drivers.to_list(vmlinux.name + constants.BANG + "tty_driver", "tty_drivers"):
try:
ttys = utility.array_of_pointers(tty.ttys.dereference(), count=tty.num, subtype=vmlinux.name + constants.BANG + "tty_struct", context=self.context)
ttys = utility.array_of_pointers(tty.ttys.dereference(),
count = tty.num,
subtype = vmlinux.name + constants.BANG + "tty_struct",
context = self.context)
except exceptions.PagedInvalidAddressException:
continue
for tty_dev in ttys:
if tty_dev == 0:
@@ -70,7 +71,7 @@ class tty_check(plugins.PluginInterface):
module_name, symbol_name = linux.LinuxUtilities.lookup_module_address(self.context, handlers, recv_buf)
yield (0, (name, format_hints.Hex(recv_buf), module_name, symbol_name))
def run(self):
return renderers.TreeGrid([("Name", str), ("Address", format_hints.Hex), ("Module", str),
("Symbol", str)], self._generator())
return renderers.TreeGrid([("Name", str), ("Address", format_hints.Hex), ("Module", str), ("Symbol", str)],
self._generator())
volatility/framework/symbols/linux/__init__.py
+6 -11
View File
@@ -199,15 +199,12 @@ class LinuxUtilities(object):
"""
mask = context.layers[layer_name].address_mask
return [(utility.array_to_string(mod.name), mod.get_module_base() & mask, (mod.get_module_base() & mask) + mod.get_core_size())
for mod in mods]
return [(utility.array_to_string(mod.name), mod.get_module_base() & mask,
(mod.get_module_base() & mask) + mod.get_core_size()) for mod in mods]
@classmethod
def generate_kernel_handler_info(
cls,
context: interfaces.context.ContextInterface,
layer_name: str,
kernel_name: str,
cls, context: interfaces.context.ContextInterface, layer_name: str, kernel_name: str,
mods_list: Iterator[interfaces.objects.ObjectInterface]) -> List[Tuple[str, int, int]]:
"""
A helper function that gets the beginning and end address of the kernel module
@@ -241,8 +238,7 @@ class LinuxUtilities(object):
if start <= target_address <= end:
mod_name = name
if name == constants.linux.KERNEL_NAME:
symbols = list(
context.symbol_space.get_symbols_by_location(target_address))
symbols = list(context.symbol_space.get_symbols_by_location(target_address))
if len(symbols):
symbol_name = symbols[0].split(constants.BANG)[1] if constants.BANG in symbols[0] else \
@@ -252,10 +248,9 @@ class LinuxUtilities(object):
return mod_name, symbol_name
@classmethod
@classmethod
def walk_internal_list(cls, vmlinux, struct_name, list_member, list_start):
while list_start:
list_struct = vmlinux.object(
object_type=struct_name, offset=list_start.vol.offset)
list_struct = vmlinux.object(object_type = struct_name, offset = list_start.vol.offset)
yield list_struct
list_start = getattr(list_struct, list_member)