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|
"""passlib.hosts"""
#=========================================================
#imports
#=========================================================
#core
import sys
from warnings import warn
#pkg
from passlib.context import LazyCryptContext
from passlib.exc import PasslibRuntimeWarning
from passlib.registry import get_crypt_handler
from passlib.utils import has_crypt, unix_crypt_schemes
#local
__all__ = [
"linux_context", "linux2_context",
"openbsd_context",
"netbsd_context",
"freebsd_context",
"host_context",
]
#=========================================================
# linux support
#=========================================================
# known platform names - linux2
linux_context = linux2_context = LazyCryptContext(
schemes = [ "sha512_crypt", "sha256_crypt", "md5_crypt",
"des_crypt", "unix_disabled" ],
deprecated = [ "des_crypt" ],
)
#=========================================================
# bsd support
#=========================================================
#known platform names -
# freebsd2
# freebsd3
# freebsd4
# freebsd5
# freebsd6
# freebsd7
#
# netbsd1
#referencing source via -http://fxr.googlebit.com
# freebsd 6,7,8 - des, md5, bcrypt, bsd_nthash
# netbsd - des, ext, md5, bcrypt, sha1
# openbsd - des, ext, md5, bcrypt
freebsd_context = LazyCryptContext(["bcrypt", "md5_crypt", "bsd_nthash",
"des_crypt", "unix_disabled"])
openbsd_context = LazyCryptContext(["bcrypt", "md5_crypt", "bsdi_crypt",
"des_crypt", "unix_disabled"])
netbsd_context = LazyCryptContext(["bcrypt", "sha1_crypt", "md5_crypt",
"bsdi_crypt", "des_crypt", "unix_disabled"])
# XXX: include darwin in this list? it's got a BSD crypt variant,
# but that's not what it uses for user passwords.
#=========================================================
#current host
#=========================================================
if has_crypt:
# NOTE: this is basically mimicing the output of os crypt(),
# except that it uses passlib's (usually stronger) defaults settings,
# and can be introspected and used much more flexibly.
def _iter_os_crypt_schemes():
"helper which iterates over supported os_crypt schemes"
found = False
for name in unix_crypt_schemes:
handler = get_crypt_handler(name)
if handler.has_backend("os_crypt"):
found = True
yield name
if found:
# only offer disabled handler if there's another scheme in front,
# as this can't actually hash any passwords
yield "unix_disabled"
else: # pragma: no cover -- sanity check
# no idea what OS this could happen on...
warn("crypt.crypt() function is present, but doesn't support any "
"formats known to passlib!", PasslibRuntimeWarning)
host_context = LazyCryptContext(_iter_os_crypt_schemes())
#=========================================================
#other platforms
#=========================================================
#known platform strings -
#aix3
#aix4
#atheos
#beos5
#darwin
#generic
#hp-ux11
#irix5
#irix6
#mac
#next3
#os2emx
#riscos
#sunos5
#unixware7
#=========================================================
#eof
#=========================================================
|
