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CVE-2020-25722 pytests: add reverse lookup dict for LDB error codes

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You can give ldb_err() it a number, an LdbError, or a sequence of
numbers, and it will return the corresponding strings. Examples:

ldb_err(68)       # "LDB_ERR_ENTRY_ALREADY_EXISTS"
LDB_ERR_LUT[68]   # "LDB_ERR_ENTRY_ALREADY_EXISTS"

expected = (ldb.ERR_INSUFFICIENT_ACCESS_RIGHTS,
            ldb.ERR_INVALID_CREDENTIALS)
try:
    foo()
except ldb.LdbError as e:
    self.fail(f"got {ldb_err(e)}, expected one of {ldb_err(expected)}")

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14564

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Douglas Bagnall 2021-10-04 12:56:42 +13:00 committed by Jule Anger
parent 2c4aee1145
commit de24916a82
1 changed files with 16 additions and 0 deletions
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16
python/samba/tests/__init__.py
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@ -61,6 +61,22 @@ BINDIR = os.path.abspath(os.path.join(os.path.dirname(__file__),
HEXDUMP_FILTER = bytearray([x if ((len(repr(chr(x))) == 3) and (x < 127)) else ord('.') for x in range(256)])
LDB_ERR_LUT = {v: k for k,v in vars(ldb).items() if k.startswith('ERR_')}
def ldb_err(v):
if isinstance(v, ldb.LdbError):
v = v.args[0]
if v in LDB_ERR_LUT:
return LDB_ERR_LUT[v]
try:
return f"[{', '.join(LDB_ERR_LUT.get(x, x) for x in v)}]"
except TypeError as e:
print(e)
return v
def DynamicTestCase(cls):
cls.setUpDynamicTestCases()
return cls