/usr/lib/python2.7/dist-packages/passlib/handlers/misc.py is in python-passlib 1.5.3-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | """passlib.handlers.misc - misc generic handlers
"""
#=========================================================
#imports
#=========================================================
#core
import logging; log = logging.getLogger(__name__)
from warnings import warn
#site
#libs
from passlib.utils import to_hash_str, handlers as uh, bytes
#pkg
#local
__all__ = [
"unix_fallback",
"plaintext",
]
#=========================================================
#handler
#=========================================================
class unix_fallback(uh.StaticHandler):
"""This class provides the fallback behavior for unix shadow files, and follows the :ref:`password-hash-api`.
This class does not implement a hash, but instead provides fallback
behavior as found in /etc/shadow on most unix variants.
If used, should be the last scheme in the context.
* this class will positive identify all hash strings.
* for security, newly encrypted passwords will hash to ``!``.
* it rejects all passwords if the hash is NOT an empty string (``!`` or ``*`` are frequently used).
* by default it rejects all passwords if the hash is an empty string,
but if ``enable_wildcard=True`` is passed to verify(),
all passwords will be allowed through if the hash is an empty string.
"""
name = "unix_fallback"
context_kwds = ("enable_wildcard",)
_stub_config = "!"
@classmethod
def identify(cls, hash):
return hash is not None
@classmethod
def genhash(cls, secret, hash, enable_wildcard=False):
if secret is None:
raise TypeError("secret must be string")
if hash is None:
raise ValueError("no hash provided")
return to_hash_str(hash)
@classmethod
def verify(cls, secret, hash, enable_wildcard=False):
if hash is None:
raise ValueError("no hash provided")
return enable_wildcard and not hash
class plaintext(uh.StaticHandler):
"""This class stores passwords in plaintext, and follows the :ref:`password-hash-api`.
Unicode passwords will be encoded using utf-8.
"""
name = "plaintext"
@classmethod
def identify(cls, hash):
return hash is not None
@classmethod
def genhash(cls, secret, hash):
if secret is None:
raise TypeError("secret must be string")
return to_hash_str(secret, "utf-8")
@classmethod
def _norm_hash(cls, hash):
if isinstance(hash, bytes):
#XXX: current code uses utf-8
# if existing hashes use something else,
# probably have to modify this code to allow hash_encoding
# to be specified as an option.
hash = hash.decode("utf-8")
return hash
#=========================================================
#eof
#=========================================================
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