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BUG: https://bugzilla.samba.org/show_bug.cgi?id=15424
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
(cherry picked from commit 2c02378029fff6636b8f19e45af78b265f2210ed)
Often it is important to insert an ace at a specific position in the
ACL. As a default we still append by default by using -1, which is the
generic version of passing the number of existing aces.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15424
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
(cherry picked from commit c3cb915a67aff6739b72b86d7d139609df309ada)
Two functions have been added to delete a given ace from the SACL or the DACL of a security descriptor.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15424
Signed-off-by: Christian Merten <christian@merten.dev>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from commit 7efe673fbdcd27ddd23f36281c5f5338681a68fe)
Winbind can ask rpcd_lsad for LookupNames etc. This can recurse back
into winbind for getpwnam. We have the "_NO_WINBINDD" environment
variable set in winbind itself for this case, but this is lost on the
way into rpcd_lsad. Use a flag in global_sid_Samba_NPA_Flags to pass
this information to dcerpc_core, where it sets the variable on every
call if requested.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15361
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue May 16 11:54:32 UTC 2023 on atb-devel-224
(cherry picked from commit 59694ad0a4cc489f1baa4c2c94c6322c0f22c1df)
Autobuild-User(v4-17-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-17-test): Tue May 23 08:09:23 UTC 2023 on sn-devel-184
This will be used as a flexible way to pass per-RPC-connection flags
over ncalrpc to the RPC server without having to modify
named_pipe_auth_req_info6 every time something new needs to be
passed. It's modeled after global_sid_Samba_SMB3.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15361
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit ebbb93cc7a57a118b82b8f383d25f1eb022397d6)
To be used in a few places when checking special-case Samba SIDs.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15361
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit 5e8c7192ba5469547ba3101885dfbaba2f8181f4)
This allows us to pass the new tests we just added.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15338
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit bb09c06d6d58a04e1d270a9f99d1179cfa9acbda)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
[abartlet@samba.org Updated to add const to sec_access_check_ds()
instead of the sec_access_check_ds_implicit_owner() wrapper
found in 4.18 and later]
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Change the values to match those used by Windows.
Verified with PowerShell commands of the form:
New-Object Security.Principal.SecurityIdentifier ER
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This should have been removed in ef990008f22, I just was not aware
it's there...
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We have to look at all available mappings for parsing sddl for each
special flag set. "GW" and "FX" come from two different tables, but
the previous code settled on one table and then expected both "GW" and
"FX" to come from that same table. Change the code to look at all
tables per special flag set.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Apr 21 00:04:36 UTC 2021 on sn-devel-184
We have to look at more than one map, "FRSD" is not correctly handled
right now for example. This factors out walking a map to make walking
multiple maps easier.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Use GUID_buf_string() instead of GUID_string() for encoding objects,
no need to check for NULL anymore.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
See
https://docs.microsoft.com/en-us/windows/win32/secauthz/ace-strings
for reference.
We can only use them for decoding, many of our tests depend on our
string representation of the flags.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
lib/util/safe_string.h is similar to source3/include/safe_string.h, but
the former has fewer checks. It is missing bcopy, strcasecmp, and
strncasecmp.
Add the missing elements to lib/util/safe_string.h remove the other
safe_string.h which is in the source3-specific path. To accomodate
existing uses of str(n?)casecmp, add #undef lines to source files where
they are used.
Signed-off-by: Matthew DeVore <matvore@google.com>
Reviewed-by: David Mulder <dmulder@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Aug 28 02:18:40 UTC 2020 on sn-devel-184
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Aug 3 22:21:04 UTC 2020 on sn-devel-184
the "I" flag for unsigned int has been available since Python 2.3
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This has been unused since before
762e7e1dff89cc14b0130fc9a22038b0845630a2 in 2003.
Found by callcatcher
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
To avoid warning above produced by using
-Wcast-function-type we;
+ ensure PyCFunctions of type METH_NOARGS defined dummy arg
+ ensure PyCFunctions of type METH_KEYWORDS use PY_DISCARD_FUNC_SIG
macro
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
The new string conversion wrappers detect and flag errors
which occured during the string to integer conversion.
Those modifications required an update of the callees
error checks.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Use a temporary struct as a return value to make the compiler catch all
callers. If we just changed bool->ssize_t, this would just generate a
warning. struct sid_parse_ret will go away in the next commit
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Deny ACEs must always be evaluated against explicitly granted rights
from previous ACEs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13812
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We basically must process the Owner Rights ACEs as any other ACE wrt to the
order of adding granted permissions and checking denied permissions. According
to MS-DTYP 2.5.3.2 Owner Rights ACEs must be evaluated in the main loop over
the ACEs in an ACL and the corresponding access_mask must be directly applied
to bits_remaining. We currently defer this to after the loop over the ACEs in
ACL, this is wrong.
We just have to do some initial magic to determine if an ACL contains and
Owner Rights ACEs, and in case it doesn't we grant SEC_STD_WRITE_DAC |
SEC_STD_READ_CONTROL at the *beginning*. MS-DTYP:
-- the owner of an object is always granted READ_CONTROL and WRITE_DAC.
CALL SidInToken(Token, SecurityDescriptor.Owner, PrincipalSelfSubst)
IF SidInToken returns True THEN
IF DACL does not contain ACEs from object owner THEN
Remove READ_CONTROL and WRITE_DAC from RemainingAccess
Set GrantedAccess to GrantedAccess or READ_CONTROL or WRITE_OWNER
END IF
END IF
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13812
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
In order to detect an value overflow error during
the string to integer conversion with strtoul/strtoull,
the errno variable must be set to zero before the execution and
checked after the conversion is performed. This is achieved by
using the wrapper function strtoul_err and strtoull_err.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Ralph Böhme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
