def update_context_defaults(section):
# Circular imports FTW!
from pwnlib.util import safeeval
from pwnlib.log import getLogger
log = getLogger(__name__)
for key, value in section.items():
if key not in ContextType.defaults:
log.warn("Unknown configuration option %r in section %r" %
(key, 'context'))
continue
default = ContextType.defaults[key]
if isinstance(
default,
six.string_types + six.integer_types + (tuple, list, dict)):
value = safeeval.expr(value)
else:
log.warn("Unsupported configuration option %r in section %r" %
(key, 'context'))
# Attempt to set the value, to see if it is value:
try:
with context.local(**{key: value}):
value = getattr(context, key)
except (ValueError, AttributeError) as e:
log.warn("Could not set context.%s=%s via pwn.conf (%s)", key,
section[key], e)
continue
ContextType.defaults[key] = value
def update_context_defaults(section):
# Circular imports FTW!
from pwnlib.util import safeeval
from pwnlib.log import getLogger
log = getLogger(__name__)
for key, value in section.items():
if key not in ContextType.defaults:
log.warn("Unknown configuration option %r in section %r" % (key, 'context'))
continue
if isinstance(ContextType.defaults[key], (str, unicode, tuple)):
value = safeeval.expr(value)
ContextType.defaults[key] = value
def update_context_defaults(section):
# Circular imports FTW!
from pwnlib.util import safeeval
from pwnlib.log import getLogger
log = getLogger(__name__)
for key, value in section.items():
if key not in ContextType.defaults:
log.warn("Unknown configuration option %r in section %r" %
(key, 'context'))
continue
if isinstance(ContextType.defaults[key], (str, unicode, tuple)):
value = safeeval.expr(value)
ContextType.defaults[key] = value
def update_context_defaults(section):
# Circular imports FTW!
from pwnlib.util import safeeval
from pwnlib.log import getLogger
log = getLogger(__name__)
for key, value in section.items():
if key not in ContextType.defaults:
log.warn("Unknown configuration option %r in section %r" % (key, 'context'))
continue
default = ContextType.defaults[key]
if isinstance(default, (str, unicode, tuple, int, long, list, dict)):
value = safeeval.expr(value)
else:
log.warn("Unsupported configuration option %r in section %r" % (key, 'context'))
ContextType.defaults[key] = type(default)(value)
python = open(sys.argv[1], "w")
header = open(sys.argv[2], "w")
data = sys.stdin.read().strip().split('\n')
res = ""
regex = re.compile('^%constant ([^=]+) = ([^";]+);')
for l in data:
m = regex.match(l)
if not m:
continue
if '"' in l or '=' not in l or ';' not in l or not l.startswith(
'%constant '):
continue
key = m.group(1)
val = m.group(2)
# Handle weird special cases from C syntax
if val.endswith('UL'):
val = val[:-2]
elif val.endswith('L'):
val = val[:-1]
print >> python, "%s = %s" % (key, val)
if re.match(r'^0[0-9]', val) or re.match(r'[^0-9a-fA-Fx]0[0-9]', val):
print >> header, "#define %s %s" % (key, hex(safeeval.expr(val)))
else:
print >> header, "#define %s %s" % (key, val)
def main():
args = p.parse_args()
if args.exact:
# This is the simple case
print cpp(args.exact).strip()
else:
# New we search in the right module.
# But first: We find the right module
if context.os == 'freebsd':
mod = constants.freebsd
else:
mod = getattr(getattr(constants, context.os), context.arch)
# Compile the given regex, for optimized lookup
if args.case_insensitive:
matcher = re.compile(args.regex, re.IGNORECASE)
else:
matcher = re.compile(args.regex)
# Evaluate the given constant
if args.constant:
constant = safeeval.expr(args.constant)
else:
constant = None
# The found matching constants and the length of the longest string
out = []
maxlen = 0
for k in dir(mod):
# No python stuff
if k.endswith('__') and k.startswith('__'):
continue
# Run the regex
if not matcher.search(k):
continue
# Check the constant
if constant != None:
val = getattr(mod, k)
if args.mask_mode:
if constant & val != val:
continue
else:
if constant != val:
continue
# Append it
out.append((getattr(mod, k), k))
maxlen = max(len(k), maxlen)
# Output all matching constants
for _, k in sorted(out):
print '#define %s %s' % (k.ljust(maxlen), cpp(k).strip())
# If we are in match_mode, then try to find a combination of
# constants that yield the exact given value
# We do not want to find combinations using the value 0.
if not (constant == None or constant == 0) and args.mask_mode:
mask = constant
good = []
out = [(v, k) for v, k in out if v != 0]
while mask and out:
cur = out.pop()
mask &= ~cur[0]
good.append(cur)
out = [(v, k) for v, k in out if mask & v == v]
if reduce(lambda x, cur: x | cur[0], good, 0) == constant:
print
print '(%s) == %s' % (' | '.join(
k for v, k in good), args.constant)
def main():
args = p.parse_args()
if args.exact:
# This is the simple case
print cpp(args.exact).strip()
else:
# New we search in the right module.
# But first: We find the right module
if context.os == 'freebsd':
mod = constants.freebsd
else:
mod = getattr(getattr(constants, context.os), context.arch)
# Compile the given regex, for optimized lookup
if args.case_insensitive:
matcher = re.compile(args.regex, re.IGNORECASE)
else:
matcher = re.compile(args.regex)
# Evaluate the given constant
if args.constant:
constant = safeeval.expr(args.constant)
else:
constant = None
# The found matching constants and the length of the longest string
out = []
maxlen = 0
for k in dir(mod):
# No python stuff
if k.endswith('__') and k.startswith('__'):
continue
# Run the regex
if not matcher.search(k):
continue
# Check the constant
if constant != None:
val = getattr(mod, k)
if args.mask_mode:
if constant & val != val:
continue
else:
if constant != val:
continue
# Append it
out.append((getattr(mod, k), k))
maxlen = max(len(k), maxlen)
# Output all matching constants
for _, k in sorted(out):
print '#define %s %s' % (k.ljust(maxlen), cpp(k).strip())
# If we are in match_mode, then try to find a combination of
# constants that yield the exact given value
# We do not want to find combinations using the value 0.
if not (constant == None or constant == 0) and args.mask_mode:
mask = constant
good = []
out = [(v, k) for v, k in out if v != 0]
while mask and out:
cur = out.pop()
mask &= ~cur[0]
good.append(cur)
out = [(v, k) for v, k in out if mask & v == v]
if reduce(lambda x, cur: x | cur[0], good, 0) == constant:
print
print '(%s) == %s' % (' | '.join(k for v, k in good), args.constant)
for l in data:
m = regex.match(l)
if not m:
continue
if '"' in l or '=' not in l or ';' not in l or not l.startswith(
'%constant '):
continue
key = m.group(1)
val = m.group(2)
# Handle weird special cases from C syntax
paren = False
if val[:1] == '(' and val[-1:] == ')' and ')' not in val[1:-1]:
val = val[1:-1]
paren = True
val = val.rstrip('UuLl')
val = val.replace('7ll', '7')
if re.match(r'^0[0-9]', val):
val = '0o' + val[1:]
val = re.sub(r'([|^&( ]0)([0-7])', r'\1o\2', val)
if paren:
val = '(%s)' % val
print("{key} = Constant({key!r},{val})".format(**locals()), file=python)
if re.search(r'0o[0-7]', val) or re.match(r'[^0-9a-fA-Fx]0[0-9]', val):
print("#define %s %s" % (key, hex(safeeval.expr(val))), file=header)
else:
print("#define %s %s" % (key, val), file=header)
from pwnlib.util import safeeval
python = open(sys.argv[1], "w")
header = open(sys.argv[2], "w")
data = sys.stdin.read().strip().split('\n')
res = ""
regex = re.compile('^%constant ([^=]+) = ([^";]+);')
for l in data:
m = regex.match(l)
if not m:
continue
if '"' in l or '=' not in l or ';' not in l or not l.startswith('%constant '):
continue
key = m.group(1)
val = m.group(2)
# Handle weird special cases from C syntax
if val.endswith('UL'):
val = val[:-2]
elif val.endswith('L'):
val = val[:-1]
print >> python, "%s = %s" % (key, val)
if re.match(r'^0[0-9]', val) or re.match(r'[^0-9a-fA-Fx]0[0-9]', val):
print >> header, "#define %s %s" % (key, hex(safeeval.expr(val)))
else:
print >> header, "#define %s %s" % (key, val)
def render_body(context, filepath, flags='O_RDONLY', mode=420, **pageargs):
__M_caller = context.caller_stack._push_frame()
try:
__M_locals = __M_dict_builtin(pageargs=pageargs,
flags=flags,
mode=mode,
filepath=filepath)
int = context.get('int', UNDEFINED)
hex = context.get('hex', UNDEFINED)
repr = context.get('repr', UNDEFINED)
long = context.get('long', UNDEFINED)
len = context.get('len', UNDEFINED)
str = context.get('str', UNDEFINED)
ord = context.get('ord', UNDEFINED)
isinstance = context.get('isinstance', UNDEFINED)
__M_writer = context.writer()
__M_writer(u'\n')
__M_writer(u'\n')
from pwnlib.shellcraft.common import label
from pwnlib.asm import cpp
from pwnlib.util.safeeval import expr
from pwnlib.constants.linux import arm as consts
filepath_lab, after = label("filepath"), label("after")
filepath_out = [hex(ord(c)) for c in filepath]
while True:
filepath_out.append("0")
if len(filepath_out) % 4 == 0:
break
filepath_out = ', '.join(filepath_out)
if isinstance(mode, (int, long)):
mode = hex(mode)
__M_locals_builtin_stored = __M_locals_builtin()
__M_locals.update(
__M_dict_builtin([
(__M_key, __M_locals_builtin_stored[__M_key]) for __M_key in [
'c', 'filepath_lab', 'expr', 'after', 'filepath_out',
'label', 'mode', 'consts', 'cpp'
] if __M_key in __M_locals_builtin_stored
]))
__M_writer(u'\n')
if expr(cpp("%s & O_CREAT" % flags, arch='arm', os='linux')):
__M_writer(u' mov r2, #(')
__M_writer(unicode(mode))
__M_writer(u')\n')
__M_writer(u' mov r1, #(')
__M_writer(unicode(flags))
__M_writer(u')\n adr r0, ')
__M_writer(unicode(filepath_lab))
__M_writer(u'\n svc SYS_open\n b ')
__M_writer(unicode(after))
__M_writer(u'\n\n /* The string ')
__M_writer(unicode(repr(str(filepath))))
__M_writer(u' */\n')
__M_writer(unicode(filepath_lab))
__M_writer(u': .byte ')
__M_writer(unicode(filepath_out))
__M_writer(u'\n\n')
__M_writer(unicode(after))
__M_writer(u':\n')
return ''
finally:
context.caller_stack._pop_frame()
python = open(sys.argv[1], "w")
header = open(sys.argv[2], "w")
print('from pwnlib.constants.constant import Constant', file=python)
data = sys.stdin.read().strip().split('\n')
res = ""
regex = re.compile('^%constant ([^=]+) = ([^";]+);')
for l in data:
m = regex.match(l)
if not m:
continue
if '"' in l or '=' not in l or ';' not in l or not l.startswith('%constant '):
continue
key = m.group(1)
val = m.group(2)
# Handle weird special cases from C syntax
if val.endswith('UL'):
val = val[:-2]
elif val.endswith('L'):
val = val[:-1]
print("{key} = Constant({key!r}, {val})".format(**locals()), file=python)
if re.match(r'^0[0-9]', val) or re.match(r'[^0-9a-fA-Fx]0[0-9]', val):
print("#define %s %s" % (key, hex(safeeval.expr(val))), file=header)
else:
print("#define %s %s" % (key, val), file=header)