Rm unused files (#76)
This commit is contained in:
Mark Mossberg
GitHub
parent
963669f3f2
commit
4464b2e842
@ -2,7 +2,6 @@ import cgcrandom
|
||||
import weakref
|
||||
import errno
|
||||
import sys, os, struct
|
||||
from ..utils import qemu
|
||||
from ..utils.helpers import issymbolic
|
||||
from ..core.cpu.abstractcpu import Interruption, Syscall, ConcretizeRegister, InvalidPCException
|
||||
from ..core.cpu.cpufactory import CpuFactory
|
||||
|
||||
@ -1,130 +0,0 @@
|
||||
import copy
|
||||
import traceback
|
||||
import os
|
||||
import sys
|
||||
import time
|
||||
import subprocess
|
||||
|
||||
count = 0
|
||||
|
||||
prompt = ''
|
||||
subproc = None
|
||||
prog = ''
|
||||
_arch = None
|
||||
|
||||
def set_program(_prog):
|
||||
global prog
|
||||
prog = _prog
|
||||
|
||||
def drain():
|
||||
str_buffer = ''
|
||||
while not str_buffer.endswith(prompt):
|
||||
c = subproc.stdout.read(1)
|
||||
str_buffer += c
|
||||
return str_buffer[:-len(prompt)]
|
||||
|
||||
def start(arch, port=1234, _prompt='(gdb) '):
|
||||
global prompt, subproc
|
||||
prompt = _prompt
|
||||
gdb = 'gdb-multiarch'
|
||||
try:
|
||||
subproc = subprocess.Popen([gdb, prog],
|
||||
stdin=subprocess.PIPE,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.STDOUT)
|
||||
except OSError:
|
||||
msg = "'{}' binary not found in PATH (needed for tracing)".format(gdb)
|
||||
raise RuntimeError(msg)
|
||||
|
||||
drain()
|
||||
correspond('set architecture {}\n'.format(arch))
|
||||
correspond('file {}\n'.format(prog))
|
||||
correspond('target remote :{}\n'.format(port))
|
||||
correspond('set pagination off\n')
|
||||
|
||||
def correspond(text):
|
||||
"""Communicate with the child process without closing stdin."""
|
||||
subproc.stdin.write(text)
|
||||
subproc.stdin.flush()
|
||||
return drain()
|
||||
|
||||
def getR(reg):
|
||||
reg = "$"+reg
|
||||
if "XMM" in reg:
|
||||
reg = reg+".uint128"
|
||||
val = correspond('p %s\n'%reg.lower()).split("=")[-1].split("\n")[0]
|
||||
if "0x" in val:
|
||||
return int(val.split("0x")[-1],16)
|
||||
else:
|
||||
return int(val)
|
||||
if "FLAG" in reg:
|
||||
reg = "(unsigned) "+reg
|
||||
if reg in ['$R%dB'%i for i in range(16)] :
|
||||
reg = reg[:-1] + "&0xff"
|
||||
if reg in ['$R%dW'%i for i in range(16)] :
|
||||
reg = reg[:-1] + "&0xffff"
|
||||
val = correspond('p /x %s\n'%reg.lower())
|
||||
val = val.split("0x")[-1]
|
||||
return long(val.split("\n")[0],16)
|
||||
|
||||
def getCanonicalRegisters():
|
||||
reg_output = correspond('info reg\n')
|
||||
registers = {}
|
||||
for line in reg_output.split("\n"):
|
||||
line = line.strip()
|
||||
if not line:
|
||||
continue
|
||||
name, hex_val = line.split()[:2]
|
||||
if name != 'cpsr':
|
||||
registers[name] = int(hex_val, 0)
|
||||
else:
|
||||
# We just want the NZCV flags
|
||||
registers[name] = int(hex_val, 0) & 0xF0000000
|
||||
return registers
|
||||
|
||||
def setR(reg, value):
|
||||
correspond('set $%s = %s\n'%(reg.lower(), int(value)))
|
||||
|
||||
def stepi():
|
||||
#print subproc.correspond("x/i $pc\n")
|
||||
correspond("stepi\n")
|
||||
def getM(m):
|
||||
try:
|
||||
return long(correspond('x/xg %s\n'%m).split("\t")[-1].split("0x")[-1].split("\n")[0],16)
|
||||
except Exception,e:
|
||||
raise e
|
||||
return 0
|
||||
def getPid():
|
||||
return int(correspond('info proc\n').split("\n")[0].split(" ")[-1])
|
||||
def getStack():
|
||||
maps = file("/proc/%s/maps"%correspond('info proc\n').split("\n")[0].split(" ")[-1]).read().split("\n")
|
||||
i,o = [ int(x,16) for x in maps[-3].split(" ")[0].split('-')]
|
||||
|
||||
def setByte(addr, val):
|
||||
cmdstr = 'set {{char}}{} = {}'.format(addr, ord(val))
|
||||
correspond(cmdstr + '\n')
|
||||
def getByte(m):
|
||||
arch = get_arch()
|
||||
mask = {'i386': 0xffffffff,
|
||||
'armv7': 0xffffffff,
|
||||
'amd64': 0xffffffffffffffff}[arch]
|
||||
return int(correspond("x/1bx %d\n"%(m&mask)).split("\t")[-1].split("\n")[0][2:],16)
|
||||
def get_entry():
|
||||
a=correspond('info target\n')
|
||||
return int(a[a.find("Entry point:"):].split('\n')[0].split(' ')[-1][2:],16)
|
||||
|
||||
def get_arch():
|
||||
global _arch
|
||||
if _arch is not None:
|
||||
return _arch
|
||||
infotarget = correspond('info target\n')
|
||||
if 'elf32-i386' in infotarget:
|
||||
_arch = 'i386'
|
||||
elif 'elf64-x86-64' in infotarget:
|
||||
_arch = 'amd64'
|
||||
elif 'elf32-littlearm' in infotarget:
|
||||
_arch = 'armv7'
|
||||
else:
|
||||
print infotarget
|
||||
raise NotImplemented
|
||||
return _arch
|
||||
@ -1,93 +0,0 @@
|
||||
import copy
|
||||
import traceback
|
||||
import os
|
||||
import sys
|
||||
import time
|
||||
import subprocess
|
||||
import logging
|
||||
|
||||
|
||||
logger = logging.getLogger("QEMU")
|
||||
|
||||
count = 0
|
||||
|
||||
subproc = None
|
||||
prog = ''
|
||||
stats = None
|
||||
_arch = None
|
||||
|
||||
def set_program(_prog):
|
||||
global prog
|
||||
prog = _prog
|
||||
|
||||
def get_lines(n=1):
|
||||
lines = []
|
||||
str_buffer = ''
|
||||
received_lines = 0
|
||||
while received_lines < n:
|
||||
c = subproc.stdout.read(1)
|
||||
str_buffer += c
|
||||
if c == '\n':
|
||||
lines.append(str_buffer)
|
||||
str_buffer = ''
|
||||
received_lines += 1
|
||||
|
||||
return lines
|
||||
|
||||
def parse_mmu_debug_output(s):
|
||||
d = {}
|
||||
|
||||
# Get guest address space
|
||||
d['reserved'] = int(s.pop(0).split()[1], 0)
|
||||
d['host_mmap_min_addr'] = int(s.pop(0).split('=')[1], 0)
|
||||
d['guest_base'] = int(s.pop(0).split()[1], 0)
|
||||
|
||||
# get rid of mapping heading
|
||||
s.pop(0)
|
||||
d['maps'] = []
|
||||
|
||||
while '-' in s[0]:
|
||||
line = s.pop(0)
|
||||
range, size, protections = line.split()
|
||||
start, end = range.split('-')
|
||||
d['maps'].append((int(start, 16),
|
||||
int(end, 16),
|
||||
int(size, 16),
|
||||
protections))
|
||||
|
||||
while s:
|
||||
line = s.pop(0)
|
||||
if not line:
|
||||
continue
|
||||
var, addr = line.split()
|
||||
d[var] = int(addr, 0)
|
||||
|
||||
return d
|
||||
|
||||
|
||||
def start(arch, port=1234):
|
||||
global subproc, stats
|
||||
aslr_file = '/proc/sys/kernel/randomize_va_space'
|
||||
try:
|
||||
with open(aslr_file, 'r') as f:
|
||||
if f.read().strip() != '0':
|
||||
logger.warning("Disable ASLR before running qemu-user")
|
||||
logger.warning(" sudo sh -c 'echo 0 > %s'", aslr_file)
|
||||
finally:
|
||||
pass
|
||||
|
||||
args = ['qemu-%s'%(arch,), '-g', str(port), '-d', 'mmu', prog]
|
||||
logger.debug("Running: %s"%(' '.join(args),))
|
||||
subproc = subprocess.Popen(args, env={}, stdin=subprocess.PIPE,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.STDOUT)
|
||||
mmu_debug_output = get_lines(16)
|
||||
|
||||
stats = parse_mmu_debug_output(mmu_debug_output)
|
||||
|
||||
def correspond(text):
|
||||
"""Communicate with the child process without closing stdin."""
|
||||
if text:
|
||||
subproc.stdin.write(text)
|
||||
subproc.stdin.flush()
|
||||
return get_lines()
|
||||
Loading…
x
Reference in New Issue
Block a user