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We can't use PyErr_LDB_MESSAGE_OR_RAISE() here, because the return type
is int, not PyObject*.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We change the [unused, because it always cast] signature of
py_ldb_msg_iter() in the same commit, because that is just a wrapper
around _keys() and this maintains bisectability with the least fuss.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In these simple cases, we are:
1. replacing the first argument `PyObject *` with `PyLdbMessageObject *`.
2. adding a `struct ldb_message *msg = NULL;` variable.
3. `PyErr_LDB_MESSAGE_OR_RAISE(self, msg);`.
4. changing the `self->msg` to `msg`.
5. adding { } to the `if (!PyArg_ParseTuple() return NULL;`.
6. replacing `self->pyldb` with `pyldb_Message_get_pyldb(self)`
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The Python level message has a reference to an LDB, which should be NULL,
or the same as the dn's LDB, lest one of them is freed early.
The message LDB will be NULL until a DN is set, and if the DN is replaced,
the LDB is also be replaced (see py_ldb_msg_set_dn), so it is *unlikely*
for these to get out of sync. In addition, fetching msg.dn via python
compares the LDBs at that point (py_ldb_msg_get_dn).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
for self->dn only. The other dn is a different story, next commit.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The `if (!pyldb_Dn_Check(pydn2))` might seem redundant, but we
need it to return Py_NotImplemented before the _OR_RAISE macro
raises TypeError.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We treat self as PyObject, and only trust its DN once it has been
laundered by PyErr_LDB_DN_OR_RAISE().
There are more of these to come in the next few commits, but these are
the simplest ones (on a textual level -- the others are simple too, but
look different).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This changes what happens all over the place
(lib/ldb/pyldb.c, source4/dns_server/pydns.c, source4/dsdb/pydsdb.c),
but causes no problems because it just checks what we always assumed.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is vital in our backup code, which needs to actually close the
LMDB at the correct point.
The Python ldb object itself is left in more or less the same state as
one that has not connected to a server or database (it is a very
simple wrapper in itself), and can be reconnected using the .connect()
method.
Pair-programmed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This will help avoid use-after-free of the internally cached ldb within
struct ldb_dn by ensuring that it lives as long.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
While Active Directory does not support yet RFC 8009 encryption and
checksum types, it is possible to verify these checksums when running
with both MIT Kerberos and Heimdal Kerberos. This matters for FreeIPA
domain controller which uses them by default.
[2023/06/16 21:51:04.923873, 10, pid=51149, effective(0, 0), real(0, 0)]
../../lib/krb5_wrap/krb5_samba.c:1496(smb_krb5_kt_open_relative)
smb_krb5_open_keytab: resolving: FILE:/etc/samba/samba.keytab
[2023/06/16 21:51:04.924196, 2, pid=51149, effective(0, 0), real(0, 0),
class=auth] ../../auth/kerberos/kerberos_pac.c:66(check_pac_checksum)
check_pac_checksum: Checksum Type 20 is not supported
[2023/06/16 21:51:04.924228, 5, pid=51149, effective(0, 0), real(0, 0),
class=auth] ../../auth/kerberos/kerberos_pac.c:353(kerberos_decode_pac)
PAC Decode: Failed to verify the service signature: Invalid argument
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This honours MS-GKDI 3.1.4.1.1 Creating a New Root Key
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We allow a fallback to ldb_strerror() even if there was an LDB context,
allowing failing functions to reset a previous error string but not
set a new one.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Now that pyldb-util is a private library to Samba, we have no excuses not to
consolidate helper functions like this.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This method does not take keyword arguments.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We have the same function in tevent, no need to duplicate code. More lines just
due to clang-format.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Mar 22 06:07:42 UTC 2024 on atb-devel-224
We have the same function in tevent, no need to duplicate code.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
push should not have changed the struct, so it is valid to
try to print it also.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It can be very hard to known where transitive checks fail, and this
will help.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15515
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
By printing into a buffer, we might notice some errors.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This LDB_FREE() seems to predate TALLOC_FREE(), and was identical
until TALLOC_FREE was optimised to avoid calling talloc_free(NULL) in
b9fcfc6399eab750880ee0b9806311dd351a8ff6.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The comparison we make is unconventional, and makes no difference in
normal usage, where we just want to know whether two DNs are the same
or not. But with over 100 callers, it is possible that something
somewhere is attempting a sort.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In the best case, this would have leaked.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
To avoid all the same logic, subtly different.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The two callers of this function want two very different things, the
common point was wanting to call smb_krb5_kt_seek_and_delete_old_entries()
however this is now done earlier in sdb_kt_copy() with
smb_krb5_remove_obsolete_keytab_entries() or an unlink() in
libnet_export_keytab().
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
This just adds the key directly, it is not related to if salting is used or not.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
