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issue #429: teach sudo about every know i18n password string.

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issue510
David Wilson 6 years ago
parent 960e505f07
commit 6e9f8e829e
3 changed files with 156 additions and 2 deletions
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40
misc/pogrep.py
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@ -0,0 +1,40 @@
# issue #429: tool for extracting keys out of message catalogs and turning them
# into the big gob of base64 as used in mitogen/sudo.py
#
# Usage:
# - apt-get source libpam0g
# - cd */po/
# - python ~/pogrep.py "Password: "
import sys
import shlex
import glob
last_word = None
for path in glob.glob('*.po'):
for line in open(path):
bits = shlex.split(line, comments=True)
if not bits:
continue
word = bits[0]
if len(bits) < 2 or not word:
continue
rest = bits[1]
if not rest:
continue
if last_word == 'msgid' and word == 'msgstr':
if last_rest == sys.argv[1]:
thing = rest.rstrip(': ').decode('utf-8').lower().encode('utf-8').encode('base64').rstrip()
print ' %-60s # %s' % (repr(thing)+',', path)
last_word = word
last_rest = rest
#ag -A 1 'msgid "Password: "'|less | grep msgstr | grep -v '""'|cut -d'"' -f2|cut -d'"' -f1| tr -d :

77
mitogen/sudo.py
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@ -26,8 +26,10 @@
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import base64
import logging
import optparse
import re
import mitogen.core
import mitogen.parent
@ -35,6 +37,73 @@ from mitogen.core import b
LOG = logging.getLogger(__name__)
# These are base64-encoded UTF-8 as our existing minifier/module server
# struggles with Unicode Python source in some (forgotten) circumstances.
PASSWORD_PROMPTS = [
'cGFzc3dvcmQ=', # english
'bG96aW5rYQ==', # sr@latin.po
'44OR44K544Ov44O844OJ', # ja.po
'4Kaq4Ka+4Ka44KaT4Kef4Ka+4Kaw4KeN4Kah', # bn.po
'2YPZhNmF2Kkg2KfZhNiz2LE=', # ar.po
'cGFzYWhpdHph', # eu.po
'0L/QsNGA0L7Qu9GM', # uk.po
'cGFyb29s', # et.po
'c2FsYXNhbmE=', # fi.po
'4Kiq4Ki+4Ki44Ki14Kiw4Kih', # pa.po
'Y29udHJhc2lnbm8=', # ia.po
'Zm9jYWwgZmFpcmU=', # ga.po
'16HXodee15Q=', # he.po
'4Kqq4Kq+4Kq44Kq14Kqw4KuN4Kqh', # gu.po
'0L/QsNGA0L7Qu9Cw', # bg.po
'4Kyq4K2N4Kyw4Kys4K2H4Ky2IOCsuOCsmeCtjeCsleCth+CspA==', # or.po
'4K6V4K6f4K614K+B4K6a4K+N4K6a4K+K4K6y4K+N', # ta.po
'cGFzc3dvcnQ=', # de.po
'7JWU7Zi4', # ko.po
'0LvQvtC30LjQvdC60LA=', # sr.po
'beG6rXQga2jhuql1', # vi.po
'c2VuaGE=', # pt_BR.po
'cGFzc3dvcmQ=', # it.po
'aGVzbG8=', # cs.po
'5a+G56K877ya', # zh_TW.po
'aGVzbG8=', # sk.po
'4LC44LCC4LCV4LGH4LCk4LCq4LCm4LCu4LGB', # te.po
'0L/QsNGA0L7Qu9GM', # kk.po
'aGFzxYJv', # pl.po
'Y29udHJhc2VueWE=', # ca.po
'Y29udHJhc2XDsWE=', # es.po
'4LSF4LSf4LSv4LS+4LSz4LS14LS+4LSV4LWN4LSV4LWN', # ml.po
'c2VuaGE=', # pt.po
'5a+G56CB77ya', # zh_CN.po
'4KSX4KWB4KSq4KWN4KSk4KS24KSs4KWN4KSm', # mr.po
'bMO2c2Vub3Jk', # sv.po
'4YOe4YOQ4YOg4YOd4YOa4YOY', # ka.po
'4KS24KSs4KWN4KSm4KSV4KWC4KSf', # hi.po
'YWRnYW5nc2tvZGU=', # da.po
'4La74LeE4LeD4LeK4La04Lav4La6', # si.po
'cGFzc29yZA==', # nb.po
'd2FjaHR3b29yZA==', # nl.po
'4Kaq4Ka+4Ka44KaT4Kef4Ka+4Kaw4KeN4Kah', # bn_IN.po
'cGFyb2xh', # tr.po
'4LKX4LOB4LKq4LON4LKk4LKq4LKm', # kn.po
'c2FuZGk=', # id.po
'0L/QsNGA0L7Qu9GM', # ru.po
'amVsc3rDsw==', # hu.po
'bW90IGRlIHBhc3Nl', # fr.po
'aXBoYXNpd2VkaQ==', # zu.po
'4Z6W4Z624Z6A4Z+S4Z6Z4Z6f4Z6Y4Z+S4Z6E4Z624Z6P4Z+LwqDhn5Y=', # km.po
'4KaX4KeB4Kaq4KeN4Kak4Ka24Kas4KeN4Kam', # as.po
]
PASSWORD_PROMPT_RE = re.compile(
u'|'.join(
base64.b64decode(s).decode('utf-8')
for s in PASSWORD_PROMPTS
)
)
PASSWORD_PROMPT = b('password')
SUDO_OPTIONS = [
#(False, 'bool', '--askpass', '-A')
@ -170,11 +239,15 @@ class Stream(mitogen.parent.Stream):
password_sent = False
for buf in it:
LOG.debug('%r: received %r', self, buf)
LOG.debug('%s: received %r', self.name, buf)
if buf.endswith(self.EC0_MARKER):
self._ec0_received()
return
elif PASSWORD_PROMPT in buf.lower():
match = PASSWORD_PROMPT_RE.search(buf.decode('utf-8').lower())
if match is not None:
LOG.debug('%s: matched password prompt %r',
self.name, match.group(0))
if self.password is None:
raise PasswordError(self.password_required_msg)
if password_sent:

41
tests/sudo_test.py
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@ -56,5 +56,46 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
])
class NonEnglishPromptTest(testlib.DockerMixin, testlib.TestCase):
# Only mitogen/debian-test has a properly configured sudo.
mitogen_test_distro = 'debian'
def test_password_required(self):
ssh = self.docker_ssh(
username='mitogen__has_sudo',
password='has_sudo_password',
)
ssh.call(os.putenv, 'LANGUAGE', 'fr')
ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
e = self.assertRaises(mitogen.core.StreamError,
lambda: self.router.sudo(via=ssh)
)
self.assertTrue(mitogen.sudo.Stream.password_required_msg in str(e))
def test_password_incorrect(self):
ssh = self.docker_ssh(
username='mitogen__has_sudo',
password='has_sudo_password',
)
ssh.call(os.putenv, 'LANGUAGE', 'fr')
ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
e = self.assertRaises(mitogen.core.StreamError,
lambda: self.router.sudo(via=ssh, password='x')
)
self.assertTrue(mitogen.sudo.Stream.password_incorrect_msg in str(e))
def test_password_okay(self):
ssh = self.docker_ssh(
username='mitogen__has_sudo',
password='has_sudo_password',
)
ssh.call(os.putenv, 'LANGUAGE', 'fr')
ssh.call(os.putenv, 'LC_ALL', 'fr_FR.UTF-8')
e = self.assertRaises(mitogen.core.StreamError,
lambda: self.router.sudo(via=ssh, password='rootpassword')
)
self.assertTrue(mitogen.sudo.Stream.password_incorrect_msg in str(e))
if __name__ == '__main__':
unittest2.main()

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