def connectProcess(self):
"""Connect the debugguer to the process and gets the memory mappings metadata."""
self.dbg = dbg.PtraceDebugger()
self.process = self.dbg.addProcess(self._pid, is_attached=False)
if self.process is None:
log.error("Error initializing Process debugging for %d"% self._pid)
raise IOError
# ptrace exception is raised before that
self.mappings = memory_mapping.readProcessMappings(self.process)
log.debug('mappings read. Dropping ptrace on pid.')
return
def test_mmap_hack(self):
fname = os.path.normpath(os.path.abspath(__file__))
fin = file(fname)
local_mmap_bytebuffer = mmap.mmap(fin.fileno(), 1024, access=mmap.ACCESS_READ)
fin.close()
fin = None
# yeap, that right, I'm stealing the pointer value. DEAL WITH IT.
heapmap = struct.unpack('L', (ctypes.c_ulong).from_address(id(local_mmap_bytebuffer) + 2*(ctypes.sizeof(ctypes.c_ulong)) ) )[0]
log.debug('MMAP HACK: heapmap: 0x%0.8x'%(heapmap) )
class P:
pid=os.getpid()
maps = memory_mapping.readProcessMappings(P()) # memory_mapping
#print '\n'.join([str(m) for m in maps])
#print '**',hex(heapmap)
ret=[m for m in maps if heapmap in m]
self.assertEquals( len(ret), 1)
self.assertEquals( ret[0].pathname, fname)
def initPid(self, pid, mmap):
dbg = PtraceDebugger()
process = dbg.addProcess(pid, is_attached=False)
if process is None:
log.error("Error initializing Process debugging for %d"% pid)
raise IOError
# ptrace exception is raised before that
mappings = memory_mapping.readProcessMappings(process)
t0 = time.time()
for m in mappings :
if mmap:
### mmap memory in local space
m.mmap()
log.debug('mmap() : %d'%(len(m.mmap())))
if mmap:
### mmap done, we can release process...
process.cont()
log.info('Memory mmaped, process released after %02.02f secs'%(time.time()-t0))
return mappings
def initPid(self, args):
dbg = PtraceDebugger()
process = dbg.addProcess(args.pid, is_attached=False)
if process is None:
log.error("Error initializing Process debugging for %d"% args.pid)
raise IOError
# ptrace exception is raised before that
mappings = memory_mapping.readProcessMappings(process)
t0 = time.time()
for m in mappings :
if args.mmap:
### mmap memory in local space
m.mmap()
log.debug('mmap() : %d'%(len(m.mmap())))
if args.mmap:
### mmap done, we can release process...
process.cont()
log.info('Memory mmaped, process released after %02.02f secs'%(time.time()-t0))
return mappings
def initPid(self, pid, mmap):
if not isinstance(pid, (int, long)):
raise TypeError('PID should be a number')
dbg = PtraceDebugger()
process = dbg.addProcess(pid, is_attached=False)
if process is None:
log.error("Error initializing Process debugging for %d" % pid)
raise IOError
# ptrace exception is raised before that
mappings = memory_mapping.readProcessMappings(process)
t0 = time.time()
for m in mappings:
if mmap:
### mmap memory in local space
m.mmap()
log.debug('mmap() : %d' % (len(m.mmap())))
if mmap:
### mmap done, we can release process...
process.cont()
log.info('Memory mmaped, process released after %02.02f secs' %
(time.time() - t0))
return mappings
def test_mmap_hack(self):
fname = os.path.normpath(os.path.abspath(__file__))
fin = file(fname)
local_mmap_bytebuffer = mmap.mmap(fin.fileno(),
1024,
access=mmap.ACCESS_READ)
fin.close()
fin = None
# yeap, that right, I'm stealing the pointer value. DEAL WITH IT.
heapmap = struct.unpack('L', (ctypes.c_ulong).from_address(
id(local_mmap_bytebuffer) + 2 *
(ctypes.sizeof(ctypes.c_ulong))))[0]
log.debug('MMAP HACK: heapmap: 0x%0.8x' % (heapmap))
class P:
pid = os.getpid()
maps = memory_mapping.readProcessMappings(P()) # memory_mapping
#print '\n'.join([str(m) for m in maps])
#print '**',hex(heapmap)
ret = [m for m in maps if heapmap in m]
self.assertEquals(len(ret), 1)
self.assertEquals(ret[0].pathname, fname)
def getMappings(): me = Dummy() me.pid = os.getpid() return memory_mapping.readProcessMappings(me)
def getMappings():
me = Dummy()
me.pid = os.getpid()
return memory_mapping.readProcessMappings(me)
