def apport_crash_extract_corefile(self, crashfile_data):
"""Extract a corefile from an apport crash file contents.
Arguments:
crashfile_data(str): Crash file contents
Returns:
`str`: Raw binary data for the core file, or ``None``.
"""
file = StringIO.StringIO(crashfile_data)
# Find the pid of the crashfile
for line in file:
if line.startswith(' Pid:'):
pid = int(line.split()[-1])
if pid == self.pid:
break
else:
# Could not find a " Pid:" line
return
# Find the CoreDump section
for line in file:
if line.startswith('CoreDump: base64'):
break
else:
# Could not find the coredump data
return
# Get all of the base64'd lines
chunks = []
for line in file:
if not line.startswith(' '):
break
chunks.append(b64d(line))
# Smush everything together, then extract it
compressed_data = ''.join(chunks)
compressed_file = StringIO.StringIO(compressed_data)
gzip_file = gzip.GzipFile(fileobj=compressed_file)
core_data = gzip_file.read()
return core_data
def apport_crash_extract_corefile(self, crashfile_data):
"""Extract a corefile from an apport crash file contents.
Arguments:
crashfile_data(str): Crash file contents
Returns:
`str`: Raw binary data for the core file, or ``None``.
"""
file = StringIO.StringIO(crashfile_data)
# Find the pid of the crashfile
for line in file:
if line.startswith(' Pid:'):
pid = int(line.split()[-1])
if pid == self.pid:
break
else:
# Could not find a " Pid:" line
return
# Find the CoreDump section
for line in file:
if line.startswith('CoreDump: base64'):
break
else:
# Could not find the coredump data
return
# Get all of the base64'd lines
chunks = []
for line in file:
if not line.startswith(' '):
break
chunks.append(b64d(line))
# Smush everything together, then extract it
compressed_data = ''.join(chunks)
compressed_file = StringIO.StringIO(compressed_data)
gzip_file = gzip.GzipFile(fileobj=compressed_file)
core_data = gzip_file.read()
return core_data
line = r.recvline()
return json.loads(line.decode())
def json_send(hsh):
request = json.dumps(hsh).encode()
r.sendline(request)
for i in range(100):
received = json_recv()
encoding = received["type"]
enc_value = received["encoded"]
if encoding == "base64":
decoded = fiddling.b64d(enc_value).decode("utf-8")
elif encoding == "hex":
decoded = fiddling.unhex(enc_value).decode("utf-8")
elif encoding == "rot13":
decoded = codecs.decode(enc_value, "rot13")
elif encoding == "bigint":
decoded = long_to_bytes(int(enc_value, 16)).decode("utf-8")
elif encoding == "utf-8":
decoded = "".join(chr(n) for n in enc_value)
print(f"{i + 1} - Encoding: {encoding}:")
print(f"{enc_value} ==> {decoded}\n")
json_send({"decoded": decoded})
flag = r.recvline()
cipher = fiddling.b64d("""
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Jk8DCkkcC3hFMQIEC0EbAVIqCFZBO1IdBgZUVA4QTgUWSR4QJwwRTWM=
""")
cipher = fiddling.b64d("""
CRIwqt4+szDbqkNY+I0qbDe3LQz0wiw0SuxBQtAM5TDdMbjCMD/venUDW9BL
PEXODbk6a48oMbAY6DDZsuLbc0uR9cp9hQ0QQGATyyCESq2NSsvhx5zKlLtz
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""")
