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If the ‘flags’ member is not initialized, we invoke undefined behaviour
when trying to push or evaluate the parsed conditional ACE.
One way this issue can manifest is in the mysterious failure of Unicode
comparisons owing to the CLAIM_SECURITY_ATTRIBUTE_VALUE_CASE_SENSITIVE
flag being set when it shouldn’t.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This avoids messing up the debug logs when multiple processes are
writing into the same file.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reduces the number of DEBUGADD calls which leads to messed debug logs
between processes.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
These definitions were the wrong way round.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
so that users of this header file don’t have to declare them.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
‘bool_value’ has the same type as ‘uint_value’. Removing the former
avoids our having more duplicate code than is strictly necessary.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We can't add them via SDDL on Windows, and they aren't useful for
claims.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Sep 27 00:41:26 UTC 2023 on atb-devel-224
You can't do things like '(a == b) == (c < d)'.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The trouble is with expressions like "(!(()))", which boil down to a
single NOT operation with no argument, which is invalid and can't be
run or expressed as SDDL.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
A consequence of this is that we remove the confusing "length"
from the IDL, as it was the internal UTF8 length, not a wire
value. We use null terminated strings internally now.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This was caught by the next condition, but this is clearer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
These are like an object type if the callback (i.e. condtional ACE
conditions) succeeds, otherwise they are ignored.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
With the last caller of check_callback_ace_access() gone, so is that
function.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
To help clarify the logic, we make new functions that separate the
deny and allow cases, which helps keep track of what 'yes' and 'no'
mean and which incorporate the logic of token->evaluate_claims
handling, which determines when we want to run a conditional ACE, when
we want to ignore it, and when we want to take offence. In the case
when we decide to run it, we then need to decide whether to apply it
or ignore it based on the result. This last bit differs between allow
and deny aces, hence the two functions.
These functions will replace check_callback_ace_access() over the next
few commits.
In the case where token->evaluate_claims is
CLAIMS_EVALUATION_INVALID_STATE and the DACL contains a conditional
ACE, the maximum allowed is 0, as if it was a "deny everything" ACE.
This is an unexpected case. Most likely the evaluate_claims state
will be NEVER or ALWAYS. In the NEVER case the conditional ACE is
skipped, as would have happened in all cases before 4.20, while in the
ALWAYS case the conditional ACE is run and applied if successful.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Most tests were prepared in advance, but we left these ones to test
the change.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
