pykd/samples/drvobj.py
SND\kernelnet_cp 0fe3d77428 [samples] updated: reviewed and refactored all samples
git-svn-id: https://pykd.svn.codeplex.com/svn@62997 9b283d60-5439-405e-af05-b73fd8c4d996
2011-03-22 16:28:12 +00:00

94 lines
2.2 KiB
Python

#
#
from pykd import *
import sys
def loadSymbols():
global nt
nt = loadModule( "nt" )
def getObjectInDir( dirObj, objName ):
if objName.find( "\\" ) != -1:
( dirSubName, objSubName ) = objName.split("\\", 1)
else:
dirSubName = objName
for i in range( 0, 37 ):
if dirObj.HashBuckets[i] != 0:
dirEntry = typedVar( "nt", "_OBJECT_DIRECTORY_ENTRY", dirObj.HashBuckets[i] )
while dirEntry != 0:
objHeader = containingRecord( dirEntry.Object, "nt", "_OBJECT_HEADER", "Body" )
objName = typedVar( "nt", "_OBJECT_HEADER_NAME_INFO", objHeader.getAddress() - objHeader.NameInfoOffset )
name = loadUnicodeString( objName.Name.getAddress() )
if name.lower() == dirSubName.lower():
if objHeader.Type == ptrPtr( nt.ObpDirectoryObjectType ):
return getObjectInDir( typedVar( "nt", "_OBJECT_DIRECTORY", dirEntry.Object), objSubName )
else:
return dirEntry.Object
if dirEntry.ChainLink != 0:
dirEntry = typedVar( "nt", "_OBJECT_DIRECTORY_ENTRY", dirEntry.ChainLink )
else:
dirEntry = 0
def getObjectByName( objName ):
if len(objName)==0:
return
if objName[0] != '\\':
return
rootDir = typedVar( "nt", "_OBJECT_DIRECTORY", ptrPtr( nt.ObpRootDirectoryObject ) )
return getObjectInDir( rootDir, objName[1:] )
def printDrvMajorTable( drvName ):
objName = "\\Driver\\" + drvName
drvObjPtr = getObjectByName( objName )
if drvObjPtr == None:
dprintln( "object not found" )
return
drvObj = typedVar( "nt", "_DRIVER_OBJECT", drvObjPtr )
for i in xrange( 0, len( drvObj.MajorFunction ) ):
dprintln( "MajorFunction[%d] = %s" % ( i, findSymbol( drvObj.MajorFunction[i] ) ) )
if __name__ == "__main__":
if not isSessionStart():
createSession()
loadDump( sys.argv[1] )
loadSymbols();
printDrvMajorTable( "afd" )