def nx(clx, args):
proc_base = 0
if proc.is_pie():
proc_base = proc.proc_base()
nfu = None
addr = None
bit_cmd = 'wx'
if proc.is_64():
bit_cmd = 'gx'
if len(args) >= 2:
if '/' not in args[0]:
# nx offset length
nfu = '/' + length + bit_cmd
offset = info.calc(args[0])
else:
# nx/nfu offset
nfu = args[0]
offset = info.calc(args[1])
else:
# nx offset 20
nfu = '/20' + bit_cmd
offset = info.calc(args[0])
addr = hex(proc_base + offset)
exec_cmd.execute_exam(nfu, addr)
def nxc(clx, args):
"""
nxc offset len, len default is 16
"""
proc_base = 0
if proc.is_pie():
proc_base = proc.proc_base()
nfu = None
if len(args) >= 2:
nfu = "/" + args[1] + 'c'
else:
nfu = '/16c'
offset = info.calc(args[0])
proc_base = proc.proc_base()
addr = hex(proc_base + offset)
exec_cmd.execute_exam(nfu, addr)
def poff(clx, args):
proc_base = proc.proc_base()
if len(args) == 1:
addr = int(args[0], 16)
if (addr >= proc_base):
print(hex(addr - proc_base))
else:
print(hex(addr + proc_base))
else:
print('need one argument')
def nb(clx, args):
proc_base = 0
if proc.is_pie():
proc_base = proc.proc_base()
for line in args:
try:
bp = info.calc(line) + proc_base
brk_cmd = 'b *{}'.format(hex(bp))
gdb.execute(brk_cmd)
except:
print('error when exec nb')
pass
def nxs(clx, args):
"""
nxs offset len, len default is 4
"""
proc_base = 0
if proc.is_pie():
proc_base = proc.proc_base()
nfu = None
if len(args) >= 2:
nfu = '/' + args[1] + 's'
else:
nfu = '/4s'
offset = info.calc(args[0])
addr = hex(proc_base + offset)
exec_cmd.execute_exam(nfu, addr)