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Merge pull request #1242 from volatilityfoundation/issues/fix-up-extension-verisioning

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Remove get_vmlinux calls
This commit is contained in:
ikelos
2024-08-25 12:28:29 +01:00
committed by GitHub
parent 966d23e301 e97abae156
commit c524d8a3d1
2 changed files with 6 additions and 45 deletions
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volatility3/framework/constants/_version.py
+2 -2
View File
@@ -1,7 +1,7 @@
# We use the SemVer 2.0.0 versioning scheme
VERSION_MAJOR = 2 # Number of releases of the library with a breaking change
VERSION_MINOR = 8 # Number of changes that only add to the interface
VERSION_PATCH = 1 # Number of changes that do not change the interface
VERSION_MINOR = 9 # Number of changes that only add to the interface
VERSION_PATCH = 0 # Number of changes that do not change the interface
VERSION_SUFFIX = ""
PACKAGE_VERSION = (
volatility3/framework/symbols/linux/extensions/__init__.py
+4 -43
View File
@@ -1609,19 +1609,6 @@ class xdp_sock(objects.StructType):
class bpf_prog(objects.StructType):
def _get_vmlinux(self):
linuxutils_required_version = (2, 1, 1)
linuxutils_current_version = linux.LinuxUtilities._version
if not requirements.VersionRequirement.matches_required(
linuxutils_required_version, linuxutils_current_version
):
raise exceptions.PluginRequirementException(
f"linux.LinuxUtilities version not suitable: required {linuxutils_required_version} found {linuxutils_current_version}"
)
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
return vmlinux
def get_type(self) -> Union[str, None]:
"""Returns a string with the eBPF program type"""
@@ -1645,7 +1632,7 @@ class bpf_prog(objects.StructType):
if not self.has_member("tag"):
return None
vmlinux = self._get_vmlinux()
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
vmlinux_layer = vmlinux.context.layers[vmlinux.layer_name]
prog_tag_addr = self.tag.vol.offset
@@ -2057,26 +2044,13 @@ class page(objects.StructType):
return flags
def _get_vmlinux(self):
linuxutils_required_version = (2, 1, 1)
linuxutils_current_version = linux.LinuxUtilities._version
if not requirements.VersionRequirement.matches_required(
linuxutils_required_version, linuxutils_current_version
):
raise exceptions.PluginRequirementException(
f"linux.LinuxUtilities version not suitable: required {linuxutils_required_version} found {linuxutils_current_version}"
)
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
return vmlinux
def to_paddr(self) -> int:
"""Converts a page's virtual address to its physical address using the current physical memory model.
Returns:
int: page physical address
"""
vmlinux = self._get_vmlinux()
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
vmlinux_layer = vmlinux.context.layers[vmlinux.layer_name]
vmemmap_start = None
@@ -2127,7 +2101,7 @@ class page(objects.StructType):
Returns:
The page content
"""
vmlinux = self._get_vmlinux()
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
vmlinux_layer = vmlinux.context.layers[vmlinux.layer_name]
physical_layer = vmlinux.context.layers["memory_layer"]
page_paddr = self.to_paddr()
@@ -2145,19 +2119,6 @@ class IDR(objects.StructType):
MAX_IDR_SHIFT = INT_SIZE * 8 - 1
MAX_IDR_BIT = 1 << MAX_IDR_SHIFT
def _get_vmlinux(self):
linuxutils_required_version = (2, 1, 1)
linuxutils_current_version = linux.LinuxUtilities._version
if not requirements.VersionRequirement.matches_required(
linuxutils_required_version, linuxutils_current_version
):
raise exceptions.PluginRequirementException(
f"linux.LinuxUtilities version not suitable: required {linuxutils_required_version} found {linuxutils_current_version}"
)
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
return vmlinux
def idr_max(self, num_layers: int) -> int:
"""Returns the maximum ID which can be allocated given idr::layers
@@ -2181,7 +2142,7 @@ class IDR(objects.StructType):
Returns:
A pointer to the given ID element
"""
vmlinux = self._get_vmlinux()
vmlinux = linux.LinuxUtilities.get_module_from_volobj_type(self._context, self)
if not vmlinux.get_type("idr_layer").has_member("layer"):
vollog.info(
"Unsupported IDR implementation, it should be a very very old kernel, probabably < 2.6"