def _populate_libraries(self):
"""
>>> from os.path import exists
>>> bash = ELF(which('bash'))
>>> all(map(exists, bash.libs.keys()))
True
>>> any(map(lambda x: 'libc' in x, bash.libs.keys()))
True
"""
if not self.get_section_by_name('.dynamic'):
self.libs= {}
return
try:
cmd = sh_string.sh_command_with('ulimit -s unlimited; LD_TRACE_LOADED_OBJECTS=1 LD_WARN=1 LD_BIND_NOW=1 %s 2>/dev/null', self.path)
data = subprocess.check_output(cmd, shell = True, stderr = subprocess.STDOUT)
libs = misc.parse_ldd_output(data)
for lib in dict(libs):
if os.path.exists(lib):
continue
qemu_lib = '/etc/qemu-binfmt/%s/%s' % (get_qemu_arch(arch=self.arch), lib)
if os.path.exists(qemu_lib):
libs[os.path.realpath(qemu_lib)] = libs.pop(lib)
self.libs = libs
except subprocess.CalledProcessError:
self.libs = {}
def libs(self):
"""libs() -> dict
Return a dictionary mapping the path of each shared library loaded
by the process to the address it is loaded at in the process' address
space.
If ``/proc/$PID/maps`` for the process cannot be accessed, the output
of ``ldd`` alone is used. This may give inaccurate results if ASLR
is enabled.
"""
with context.local(log_level='error'):
ldd = process(['ldd', self.executable]).recvall()
maps = parse_ldd_output(ldd)
try:
maps_raw = open('/proc/%d/maps' % self.pid).read()
except IOError:
return maps
# Enumerate all of the libraries actually loaded right now.
for line in maps_raw.splitlines():
if '/' not in line: continue
path = line[line.index('/'):]
path = os.path.realpath(path)
if path not in maps:
maps[path]=0
for lib in maps:
path = os.path.realpath(lib)
for line in maps_raw.splitlines():
if line.endswith(path):
address = line.split('-')[0]
maps[lib] = int(address, 16)
break
return maps
def libs(self):
"""libs() -> dict
Return a dictionary mapping the path of each shared library loaded
by the process to the address it is loaded at in the process' address
space.
If ``/proc/$PID/maps`` for the process cannot be accessed, the output
of ``ldd`` alone is used. This may give inaccurate results if ASLR
is enabled.
"""
with context.local(log_level='error'):
ldd = process(['ldd', self.executable]).recvall()
maps = parse_ldd_output(ldd)
try:
maps_raw = open('/proc/%d/maps' % self.pid).read()
except IOError:
return maps
# Enumerate all of the libraries actually loaded right now.
for line in maps_raw.splitlines():
if '/' not in line: continue
path = line[line.index('/'):]
path = os.path.realpath(path)
if path not in maps:
maps[path]=0
for lib in maps:
path = os.path.realpath(lib)
for line in maps_raw.splitlines():
if line.endswith(path):
address = line.split('-')[0]
maps[lib] = int(address, 16)
break
return maps
