def unsortedbins(self):
'''str: pretty formated unsortedbins str.
'''
head = color.magenta('unsortedbins: ')
tail = ''
for chunk in self.record.unsortedbins:
tail += '<-> ' + color.blue("{:#x} ".format(chunk._addr))
if tail == '':
tail = color.blue('None')
return head+tail
def basic(self):
return '''libc_version:{}
arch:{}
tcache_enable:{}
libc_base:{}
heap_base:{}'''.format(
color.yellow(self.record.libc_version),
color.yellow(self.record.arch),
color.yellow(self.record.tcache_enable),
color.blue(hex(self.record.libc_base)),
color.blue(hex(self.record.heap_base))
)
def all(self):
'''str: pretty formated all infomation of heap.
'''
lines = [self.banner('HeapInspect', 'green')]
lines.append(self.basic)
lines.append(self.fastbins)
lines.append(self.smallbins)
lines.append(self.largebins)
lines.append(self.tcache_chunks)
lines.append(
color.magenta('top: ') +
color.blue('{:#x}'.format(self.record.main_arena.top))
)
lines.append(
color.magenta('last_remainder: ') +
color.blue('{:#x}'.format(self.record.main_arena.last_remainder))
)
lines.append(self.unsortedbins)
return '\n'.join(lines)
def smallbins(self):
'''str: pretty formated smallbins str.
'''
lines = []
header_fmt = color.green('({size:#x}) smallbins[{index}] ')
for index in sorted(self.record.smallbins.keys()):
size = 2*self.record.size_t * (index+1)
chunks = self.record.smallbins[index]
tail = ''
for chunk in chunks:
tail += "<-> " + color.blue("{:#x} ".format(chunk._addr))
line = header_fmt.format(size=size, index=index-1) + tail
if tail != '':
lines.append(line)
return '\n'.join(lines)
def tcache_chunks(self):
'''str: pretty formated tcache chunks str.
'''
lines = []
header_fmt = color.yellow('({size:#x}) entries[{index}] ')
for index in sorted(self.record.tcache_chunks.keys()):
size = 4*self.record.size_t + index*0x10
chunks = self.record.tcache_chunks[index]
tail = ''
for chunk in chunks:
tail += "-> " + color.blue("{:#x} ".format(
chunk._addr+2*self.record.size_t))
line = header_fmt.format(size=size, index=index) + tail
if tail != '':
lines.append(line)
return '\n'.join(lines)
def largebins(self):
'''str: pretty formated largebins str.
'''
lines = []
header_fmt = color.green('largebins[{index}] ')
for index in sorted(self.record.largebins.keys()):
size = 2*self.record.size_t * (index+1)
chunks = self.record.largebins[index]
tail = ''
for chunk in chunks:
tail += "<-> " + \
color.blue(
"{:#x}".format(chunk._addr) +
color.green("({:#x}) ".format(chunk.size & ~0b111))
)
line = header_fmt.format(size=size, index=index-0x3f) + tail
if tail != '':
lines.append(line)
return '\n'.join(lines)