def testMultiSymbolic(self):
my_solver = Solver()
mem = SMemory(my_solver, 32, 12)
#alloc/map a little mem
size = 0x10000
addr = mem.mmap(None, size, 'rwx')
#initialize first 10 bytes as [100, 101, 102, .. 109]
for i in xrange(addr, addr+10):
mem.putchar(i, chr(100+i-addr))
#Make a char that ranges from 'A' to 'Z'
v = my_solver.mkBitVec(32)
my_solver.add(v>=ord('A'))
my_solver.add(v<=ord('Z'))
#assign it to the firt 10 bytes
mem.putchar(addr+5, chr(v))
#mak a free symbol of 32 bits
x = my_solver.mkBitVec(32)
#constraint it to range into [addr, addr+10)
my_solver.add(x>=addr)
my_solver.add(x<addr+10)
#so now lets ask the memory for values pointed by addr
c = mem.getchar(x)
for val in my_solver.getallvalues(c,1000):
self.assertTrue(val>=100 and val<110 or val >= ord('A') and val <= ord('Z'))
def testMultiSymbolic(self):
my_solver = Solver()
mem = SMemory(my_solver, 32, 12)
#alloc/map a little mem
size = 0x10000
addr = mem.mmap(None, size, 'rwx')
#initialize first 10 bytes as [100, 101, 102, .. 109]
for i in xrange(addr, addr + 10):
mem.putchar(i, chr(100 + i - addr))
#Make a char that ranges from 'A' to 'Z'
v = my_solver.mkBitVec(32)
my_solver.add(v >= ord('A'))
my_solver.add(v <= ord('Z'))
#assign it to the firt 10 bytes
mem.putchar(addr + 5, chr(v))
#mak a free symbol of 32 bits
x = my_solver.mkBitVec(32)
#constraint it to range into [addr, addr+10)
my_solver.add(x >= addr)
my_solver.add(x < addr + 10)
#so now lets ask the memory for values pointed by addr
c = mem.getchar(x)
for val in my_solver.getallvalues(c, 1000):
self.assertTrue(val >= 100 and val < 110
or val >= ord('A') and val <= ord('Z'))
def test_one_concrete_one_symbolic(self):
#global mainsolver
my_solver = Solver()
mem = SMemory(my_solver, 32, 12)
addr_for_symbol1 = mem.mmap(None, 0x1000, 'rwx')
mem.putchar(addr_for_symbol1, 'A')
symbol1 = my_solver.mkBitVec(8)
my_solver.add(OR(symbol1==ord('B'), symbol1==ord('C')))
mem.putchar(addr_for_symbol1+1, symbol1)
values = list(my_solver.getallvalues(symbol1))
self.assertIn(ord('B'), values)
self.assertIn(ord('C'), values)
symbol2 = my_solver.mkBitVec(32)
my_solver.add(symbol2>=addr_for_symbol1)
my_solver.add(symbol2<=addr_for_symbol1+1)
c = mem.getchar(symbol2)
self.assertTrue(issymbolic(c))
values = list(my_solver.getallvalues(c))
self.assertIn(ord('A'), values)
self.assertIn(ord('B'), values)
self.assertIn(ord('C'), values)
def test_one_concrete_one_symbolic(self):
#global mainsolver
my_solver = Solver()
mem = SMemory(my_solver, 32, 12)
addr_for_symbol1 = mem.mmap(None, 0x1000, 'rwx')
mem.putchar(addr_for_symbol1, 'A')
symbol1 = my_solver.mkBitVec(8)
my_solver.add(OR(symbol1 == ord('B'), symbol1 == ord('C')))
mem.putchar(addr_for_symbol1 + 1, symbol1)
values = list(my_solver.getallvalues(symbol1))
self.assertIn(ord('B'), values)
self.assertIn(ord('C'), values)
symbol2 = my_solver.mkBitVec(32)
my_solver.add(symbol2 >= addr_for_symbol1)
my_solver.add(symbol2 <= addr_for_symbol1 + 1)
c = mem.getchar(symbol2)
self.assertTrue(issymbolic(c))
values = list(my_solver.getallvalues(c))
self.assertIn(ord('A'), values)
self.assertIn(ord('B'), values)
self.assertIn(ord('C'), values)