47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
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#!/usr/bin/python3
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import os
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import uuid
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import collections
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import getpass
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import string
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def tohex(data):
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return "".join("%02x" % (c) for c in data)
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def suggest_passphrase():
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alphabet = string.ascii_lowercase + string.ascii_uppercase + string.digits
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passphrase = os.urandom(24)
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passphrase_int = sum(value << (8 * byteno) for (byteno, value) in enumerate(passphrase))
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passphrase_ascii = ""
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while passphrase_int > 0:
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(passphrase_int, charno) = divmod(passphrase_int, len(alphabet))
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passphrase_ascii += alphabet[charno]
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return passphrase_ascii
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Disk = collections.namedtuple("Disk", [ "uuid", "name", "passphrase" ])
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host_uuid = str(uuid.uuid4())
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host_psk = tohex(os.urandom(32))
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disks = [ ]
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while True:
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disk_uuid = input("Disk UUID : ")
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if disk_uuid == "":
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break
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disk_name = input("Disk name : ")
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print("Suggestion: %s" % (suggest_passphrase()))
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disk_passphrase = getpass.getpass("Passphrase: ")
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disks.append(Disk(uuid = disk_uuid, name = disk_name, passphrase = disk_passphrase))
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print()
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server_string = ",".join("%s=%s" % (disk.uuid, disk.name) for disk in disks)
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client_string = ",".join("%s=%s" % (disk.uuid, tohex(disk.passphrase.encode())) for disk in disks)
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print("# server.txt")
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print("# Host UUID Host PSK Disk UUIDs")
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print("%s %s %s" % (host_uuid, host_psk, server_string))
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print()
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print("# client.txt")
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print("# Host UUID Host PSK Disk UUIDs")
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print("%s %s %s" % (host_uuid, host_psk, client_string))
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