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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>
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>
This is just a typo of ‘struct loadparm_context’.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These are produced by editing `python/samba/test/sddl.py to enable
`test_write_test_strings`, the running `make test TESTS='sddl\\b'`.
The windows executable from the C file added in a recent commit can
run these tests using the `-i` flag.
The Samba sddl.py tests can be induced to use them too, but that is
only useful for showing they are still in sync.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
prior to this patch rights matching "FA", "FR", "FW", "FX" were
outputted as the hex string representing the bit value.
While outputting the hex string is perfectly fine, it makes it harder
to compare icacls output (which always uses the special string values)
Additionally adjust various tests to deal with use of shortcut access masks
as sddl format now uses FA, FR, FW & FX strings (like icalcs does) instead
of hex representation of the bit mask.
adjust
samba4.blackbox.samba-tool_ntacl
samba3.blackbox.large_acl
samba.tests.samba_tool.ntacl
samba.tests.ntacls
samba.tests.posixacl
so various string comparisons of the sddl format now pass
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
[abartlet@samba.org Adapted to new stricter SDDL behaviour around leading zeros in hex
numbers, eg 0x001]
value for FA should be 0x001f01ff (instead of 0x00001ff)
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
sddl_decode_sid() will stop at the first non-SID character. Windows
doesn't allow white space here, and nor do we.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Before we just ignored things like negative numbers, because they'd
end up being seen as not-numbers, so treated as flags, then as
not-flags.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The C version tests the public SDDL API on Windows which seems to follow
Active Directory closely, though case in hex numbers is reversed vis-a-vis
defaultSecurityDescriptor.
The python version is less refined and tests powershell functions.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We don't see this happening on Windows.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Our previous behaviour (at least with glibc) was to clip off the extra
bits, so that 0x123456789 would become 0x23456789. That's kind of the
obvious thing, but is not what Windows does, which is to saturate the
value, rounding to 0xffffffff. The effect of this is to turn on all
the flags, which quite possibly not what you meant.
Now we just return an error.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The string "S:D:P" is parsed by us and Windows into a valid struct,
which has an empty DACL with the PROTECTED flag, and an empty SACL.
This is reconstructed in canonical order as "D:PS:", which Windows
will correctly parse, but Samba has assumed the "S" is a bad DACL
flag. Now we don't make that assumption.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These occur canonically when the indentifier authority is > 2^32, but
also are accepted by Windows for any number.
There is a tricky case with an "O:" or "G:" SID that is immediately
followed by a "D:" dacl, because the "D" looks like a hex digit. When
we detect this we need to subtract one from the length.
We also need to do look out for trailing garbage. This was not an
issue before because any string caught by the strspn(...,
"-0123456789") would be either rejected or fully comsumed by
dom_sid_parse_talloc(), but with hex digits, a string like
"S-1-1-2x0xabcxxx-X" would be successfully parsed as "S-1-1-2", and
the "x0xabcxxx-X" would be skipped over. That's why we switch to using
dom_sid_parse_endp(), so we can compare the consumed length to the
expected length.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
previously a string could have anything in it, so long as every second
character was ':'.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The man page notes:
The standards require that the argument c for these functions
is either EOF or a value that is representable in the type
unsigned char. If the argument c is of type char, it must be
cast to unsigned char, as in the following example:
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Following Windows, the numbers that would be octal (e.g. "0123") are
converted to decimal by skipping over the zeros.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We don't want octal numbers or overflows.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The second one came with code obsoleting the "BIG NOTE" about 10 years
ago, but that code later wandered off somewhere else.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
There's nothing we can do to such a server (this
now matches the behavior for SMB1).
Remove knownfail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15306
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Mar 29 18:58:33 UTC 2023 on atb-devel-224
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>
If there were two consecutive occurrences of an ACL to be deleted, we
would miss the second one.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
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.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This means that encoding an ACE in string form will now match Windows.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Tue Mar 21 01:19:16 UTC 2023 on atb-devel-224
In future we need to pass in 3 sids to sddl_encode()
Once we pass in a machine_sid from the caller we need to
have a test on a Windows member if the .machine_rid values
really belong to the local machine sid.
At least [MS-DTYP] 2.4.2.4 Well-Known SID Structures
pretents "LA" and "LG" are relative to the local machine sid.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Mar 20 10:53:41 UTC 2023 on atb-devel-224
We should walk the sid_codes array just once.
This makes further changes easier...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
In future we'll need more than 'domain_sid' in order
to do the correct transition of SDDL to/from security_descriptor.
In the end we most likely add an
sddl_transition_{create,encode,decode}() api in order
to allow the caller to create an sddl_transition_state
once and then pass it to multiple calls to encode/decode.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
A case statement only references const strings, pointers in an array
need to be relocated at exec() time.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
A case statement only references const strings, pointers in an array
need to be relocated at exec() time.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This made sense before we used dom_sid_str_buf() in the DEBUG
statements.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Arrays of SIDs are handled not fully consistently throughout the
codebase. Sometimes SIDs in the first and second positions represent a
user and a primary group respectively; other times they don't mean
anything in particular. Using these index constants in situations of the
former sort can help to clarify our intent.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In the next commit, we shall replace the 'authenticated' field of
named_pipe_auth_req_info.info5.session_info.session_info.info with a
more general 'user_flags' field.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These functions are modelled on add_sid_to_array() and
add_sid_to_array_unique(). They differ in that they operate not on an
array of dom_sid, but of auth_SidAttr, and take an additional 'attrs'
parameter of type uint32_t.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
No need to recompile the world when only a few files need this.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
To be used in smbXsrv_open.c, for this we need a lower bound.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
AES is supported by Windows >= 2008R2 and Samba >= 4.0 so there's no
reason to allow md5 servers by default.
Note the change in netlogon_creds_cli_context_global() is only cosmetic,
but avoids confusion while reading the code. Check with:
git show -U35 libcli/auth/netlogon_creds_cli.c
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15240
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This warns the admin about insecure options
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15240
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15240
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Looks larger than it is, this just adds a parameter and while there
adapts long lines to README.Coding
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is needed to pass up the "unparsed" part of the smb2 symlink
error response in unix charset form.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
[MS-FSCC] 2.1.2.4 Symbolic Link Reparse Data Buffer lists this field
as reserved, but [MS-SMB2] 2.2.2.2.1 Symbolic Link Error Response is
the exact same format with the reserved field as UnparsedPathLength.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This saves 70 bytes of .text, we don't need this on the stack.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Instead of checking protocol correctness in every highlevel routine,
we should rely on the lowerlevel one in smbXcli_base.c to give the
INVALID_PARAMETER error return when running on SMB1
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We don't return NULL if tevent_req_create() succeeded, and elsewhere
in this function we already pass tevent_req_nterror or
tevent_req_nomem (via set_endtime).
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Removed static flag from sddl_encode_ace and added to headers.
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Christian Merten <christian@merten.dev>
Fixed security_ace_equal returning true, despite differing object type, by checking (inherited) object type
of both ACEs is equal.
Signed-off-by: Christian Merten <christian@merten.dev>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Two functions have been added to delete a given ace from the SACL or the DACL of a security descriptor.
Signed-off-by: Christian Merten <christian@merten.dev>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
The implicit right of an object's owner to modify its security
descriptor no longer exists, according to the new access rules. However,
we continue to grant this implicit right for fileserver access checks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14810
Signed-off-by: Nadezhda Ivanova <nivanova@symas.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The server will only return this if the client requested in via
smbXcli_negprot_send()'s in_ctx parameter. This adds knowledge about
SMB2_CREATE_TAG_POSIX to smbXcli_base.c with a function to query
it. The alternative would have been to detect this in the caller, but
this would have meant that we also would need a
smbXcli_conn_set_have_posix() function or something similar.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We already don't allow setting max_credits in the sync wrapper, so
omit the contexts there as well.
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): Fri Aug 26 19:54:03 UTC 2022 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15152
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Aug 22 09:03:29 UTC 2022 on sn-devel-184
Commit 3594c3ae20 added a NULL check for
'inhdr', but it meant we didn't always call tevent_req_nterror() when we
should.
Now we handle connection errors. We now also set an error status if the
NULL check fails.
I noticed this when an ECONNRESET error from a server refusing SMB1
wasn't handled, and the client subsequently hung in epoll_wait().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15152
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Tree-wide spellcheck for some common misspellings.
source3/utils/status.c has misspelled local variable (unkown_dialect).
"missmatch" is a known historical misspelling, only the incorrect
misspellings are fixed.
source3/locale/net/de.po has the spelling error (unkown) in two msgids -
it probably should be updated with current source.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Since memcmp_const_time() doesn't act as an exact replacement for
memcmp(), and its return value is only ever compared with zero, simplify
it and emphasize the intention of checking equality by returning a bool
instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Since data_blob_cmp_const_time() doesn't act as an exact replacement for
data_blob_cmp(), and its return value is only ever compared with zero,
simplify it and emphasize the intention of checking equality by
returning a bool instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This helps to avoid timing attacks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15010
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This fixes connections against the Azure SMB3 server.
It's not possible to demonstrate the bug with a test and a knownfail
entry, because it fails to even startup the test environments,
but the following change to our server demonstrates the problem
and shows the fix works:
diff --git a/source3/smbd/smb2_negprot.c b/source3/smbd/smb2_negprot.c
index da567951c0bf..25fdaea2df7b 100644
--- a/source3/smbd/smb2_negprot.c
+++ b/source3/smbd/smb2_negprot.c
@@ -711,6 +711,8 @@ NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req)
}
}
+ security_buffer = data_blob_null;
+
if (out_negotiate_context_blob.length != 0) {
static const uint8_t zeros[8];
size_t pad = 0;
@@ -759,6 +761,8 @@ NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req)
return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
}
+ security_offset = 0;
+
SSVAL(outbody.data, 0x00, 0x40 + 1); /* struct size */
SSVAL(outbody.data, 0x02,
security_mode); /* security mode */
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15050
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon May 2 20:13:10 UTC 2022 on sn-devel-184
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 is only used by the SMB1 signing code, except for one
bool for SMB2 which we will replace next.
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: David Mulder <dmulder@samba.org>
The initial implementation of gnutls_aead_cipher_decrypt() had a bug and
used:
*ptext_len = ctext_len;
instead of:
*ptext_len = ctext_len - tag_size;
This got fixed with gnutls 3.5.2.
As we only require gnutls 3.4.7 we need to cope with this...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14968
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Feb 2 18:29:08 UTC 2022 on sn-devel-184
When the ptext_size != m_total check fails, we call this:
status = gnutls_error_to_ntstatus(rc, NT_STATUS_INTERNAL_ERROR);
goto out;
As rc is 0 at that point we'll exit smb2_signing_decrypt_pdu()
with NT_STATUS_OK, but without copying the decrypted data
back into the callers buffer. Which leads to strange errors
in the caller.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14968
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Will be used by smb2_query_directory. Not yet used or available.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
A customer has come across a DNS server that really just cuts a SRV
reply if it's too long. This makes the packet invalid according to
ndr_pull and according to wireshark. DNS_FLAG_TRUNCATION is however
set. As this seems to be legal according to the DNS RFCs, we need to
hand-parse the first two uint16's and look whether DNS_FLAG_TRUNCATION
is 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): Thu Jan 20 18:01:41 UTC 2022 on sn-devel-184
We should avoid spamming the logs with wellknown messages like:
ndr_pull_error(Buffer Size Error): Pull bytes 39016
They just confuse admins (and developers).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14932
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Windows doesn't complain about invalid av_pair blobs,
we need to do the same.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14932
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This will serve as a check to make sure that in particular a SAMR
client is really root. This is for example used in get_user_info_18()
handing out a machine password.
The unix domain sockets for NCACN_NP can only be contacted by root,
the "np\" subdirectory for those sockets is root/root 0700.
Connecting to such a socket is done in two situations: First, local
real root processes connecting and smbd on behalf of SMB clients
connecting to \\pipe\name, smbd does become_root() there. Via the
named_pipe_auth_req_info4 smbd hands over the SMB session information
that the RPC server blindly trusts. The session information (i.e. the
NT token) is heavily influenced by external sources like the KDC. It
is highly unlikely that we get a system token via SMB, but who knows,
this is information not fully controlled by smbd.
This is where this additional field in named_pipe_auth_req_info5 makes
a difference: This field is set to NCACN_NP by smbd's code, not
directly controlled by the clients. Other clients directly connecting
to a socket in "np\" is root anyway (only smbd can do become_root())
and can set this field to NCALRPC.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14912
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Dec 2 14:49:35 UTC 2021 on sn-devel-184
This will be used in tests in order to separate the tcon from
validate_negotiate_info.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14788
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This is the same as STATUS_STOPPED_ON_SYMLINK, and this is what also
wireshark displays. Avoid some confusion.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This will be useful for smbXcli_create to parse the symlink error
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As we want to reduce use of 'classic domain controller' role but FreeIPA
relies on it internally, add a separate role to mark FreeIPA domain
controller role.
It means that role won't result in ROLE_STANDALONE.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14801
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14556
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is a low level function that should not ignore results.
If the caller doesn't care it's his choice.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Oct 19 20:20:00 UTC 2021 on sn-devel-184
We can only assume that servers with support for AES-GMAC-128 signing
will except an SMB2 Cancel with ASYNC_ID and real MID.
This strategy is also used by Windows clients, because
some vendors don't cope otherwise.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14855
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Oct 19 19:23:39 UTC 2021 on sn-devel-184
This should have been removed in ef990008f2, I just was not aware
it's there...
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Call new tsocket_address_inet_from_hostport_strings() instead of
tsocket_address_inet_from_strings() to implement setting a port to query
for a DNS forwarder.
Signed-off-by: Matthew Grant <grantma@mattgrant.net.nz>
Reviewed-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This matches what smbstatus prints out. Note there's also the removal of
an '-' in "hmac-sha-256" => HMAC-SHA256".
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14825
RN: "{client,server} smb3 {signing,encryption} algorithms" should use the same strings as smbstatus output
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Sep 8 16:37:07 UTC 2021 on sn-devel-184
Doing so is undefined behaviour.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The memory leak bug up to 3.6.14 was only related to ccm, but gcm was
fine.
This avoids talloc+memcpy on more systems, e.g. ubuntu 20.04,
and brings ~ 20% less cpu overhead, see:
https://hackmd.io/@asn/samba_crypto_benchmarks
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14764
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Make use of smb2cli_parse_dyn_buffer() in smb2cli_read_done()
as it was exactly introduced for a similar problem see:
commit 4c6c71e137
Author: Stefan Metzmacher <metze@samba.org>
AuthorDate: Thu Jan 14 17:32:15 2021 +0100
Commit: Volker Lendecke <vl@samba.org>
CommitDate: Fri Jan 15 08:36:34 2021 +0000
libcli/smb: allow unexpected padding in SMB2 IOCTL responses
A NetApp Ontap 7.3.7 SMB server add 8 padding bytes to an
offset that's already 8 byte aligned.
RN: Work around special SMB2 IOCTL response behavior of NetApp Ontap 7.3.7
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Pair-Programmed-With: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Jan 15 08:36:34 UTC 2021 on sn-devel-184
RN: Work around special SMB2 READ response behavior of NetApp Ontap 7.3.7
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jul 15 23:53:55 UTC 2021 on sn-devel-184
This test will use a FSCTL_SMBTORTURE_GLOBAL_READ_RESPONSE_BODY_PADDING8
in order to change the server behavior of READ responses regarding
the data offset.
It will demonstrate the problem in smb2cli_read*() triggered
by NetApp Ontap servers.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
For now client_sign_algos->num_algos will always be 0,
but that'll change in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is important as AES-128-GMAC signing will derive the NONCE from the MID.
It also means a STATUS_PENDING response must never be signed.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is important as with AES-128-GMAC signing, the nonce will be
derived from the MID.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We should propagate these errors to the caller instead of masking them
with ACCESS_DENIED. And for ACCESS_DENIED we should not disconnect the
connection.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
It checks that the resulting algorithms (most likely for
dialects < 3.1.1) are actually allowed.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
SMB 3.0 and 3.0.2 require aes-128-ccm, so we need to reject them unless
'client smb3 encryption algorithms' allows them.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
These were only used in Windows development versions but not in
production.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14699
../../source4/dsdb/common/util_links.c: In function ‘ndr_guid_compare’:
../../source4/dsdb/common/util_links.c:38:29: error: ‘v1_data’ may be used uninitialized [-Werror=maybe-uninitialized]
38 | struct ldb_val v1 = data_blob_const(v1_data, sizeof(v1_data));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../source4/dsdb/common/util_links.c:22:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source4/dsdb/common/util_links.c:37:17: note: ‘v1_data’ declared here
37 | uint8_t v1_data[16];
| ^~~~~~~
cc1: all warnings being treated as errors
[1729/3991] Compiling source3/smbd/smbXsrv_open.c
../../libcli/auth/smbencrypt.c: In function ‘decode_wkssvc_join_password_buffer’:
../../libcli/auth/smbencrypt.c:1045:32: error: ‘_confounder’ may be used uninitialized [-Werror=maybe-uninitialized]
1045 | DATA_BLOB confounder = data_blob_const(_confounder, 8);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../libcli/auth/smbencrypt.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../libcli/auth/smbencrypt.c:1044:17: note: ‘_confounder’ declared here
1044 | uint8_t _confounder[8];
| ^~~~~~~~~~~
cc1: all warnings being treated as errors
[2624/3991] Compiling source4/torture/rpc/samr.c
../../source3/rpc_client/cli_samr.c: In function ‘dcerpc_samr_chgpasswd_user2’:
../../source3/rpc_client/cli_samr.c:158:33: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
158 | DATA_BLOB session_key = data_blob_const(old_nt_hash, 16);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source3/../lib/util/samba_util.h:48,
from ../../source3/include/includes.h:256,
from ../../source3/rpc_client/cli_samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source3/rpc_client/cli_samr.c:152:17: note: ‘old_nt_hash’ declared here
152 | uint8_t old_nt_hash[16];
| ^~~~~~~~~~~
../../source3/rpc_client/cli_samr.c: In function ‘dcerpc_samr_chgpasswd_user3’:
../../source3/rpc_client/cli_samr.c:365:33: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
365 | DATA_BLOB session_key = data_blob_const(old_nt_hash, 16);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source3/../lib/util/samba_util.h:48,
from ../../source3/include/includes.h:256,
from ../../source3/rpc_client/cli_samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source3/rpc_client/cli_samr.c:358:17: note: ‘old_nt_hash’ declared here
358 | uint8_t old_nt_hash[16];
| ^~~~~~~~~~~
cc1: all warnings being treated as errors
[3399/3991] Compiling source3/rpcclient/cmd_spotlight.c
../../source3/smbd/smbXsrv_open.c: In function ‘smbXsrv_open_set_replay_cache’:
../../source3/smbd/smbXsrv_open.c:936:26: error: ‘data’ may be used uninitialized [-Werror=maybe-uninitialized]
936 | DATA_BLOB blob = data_blob_const(data, ARRAY_SIZE(data));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source3/../lib/util/samba_util.h:48,
from ../../source3/include/includes.h:256,
from ../../source3/smbd/smbXsrv_open.c:21:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source3/smbd/smbXsrv_open.c:935:17: note: ‘data’ declared here
935 | uint8_t data[SMBXSRV_OPEN_REPLAY_CACHE_FIXED_SIZE];
| ^~~~
cc1: all warnings being treated as errors
../../source3/rpcclient/cmd_spotlight.c: In function ‘cmd_mdssvc_fetch_properties’:
../../source3/rpcclient/cmd_spotlight.c:60:18: error: ‘share_path’ may be used uninitialized [-Werror=maybe-uninitialized]
60 | status = dcerpc_mdssvc_open(b, mem_ctx,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
61 | &device_id,
| ~~~~~~~~~~~
62 | &unkn1,
| ~~~~~~~
63 | &unkn2,
| ~~~~~~~
64 | argv[2],
| ~~~~~~~~
65 | argv[1],
| ~~~~~~~~
66 | share_path,
| ~~~~~~~~~~~
67 | &share_handle);
| ~~~~~~~~~~~~~~
In file included from ../../source3/rpcclient/cmd_spotlight.c:24:
source3/../librpc/gen_ndr/ndr_mdssvc_c.h:26:10: note: by argument 8 of type ‘const char *’ to ‘dcerpc_mdssvc_open’ declared here
26 | NTSTATUS dcerpc_mdssvc_open(struct dcerpc_binding_handle *h,
| ^~~~~~~~~~~~~~~~~~
../../source3/rpcclient/cmd_spotlight.c:40:14: note: ‘share_path’ declared here
40 | char share_path[1025];
| ^~~~~~~~~~
cc1: all warnings being treated as errors
../../source4/torture/rpc/samr.c: In function ‘test_ChangePasswordUser2’:
../../source4/torture/rpc/samr.c:2266:19: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
2266 | = data_blob_const(old_nt_hash, sizeof(old_nt_hash));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../source4/torture/rpc/samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source4/torture/rpc/samr.c:2263:17: note: ‘old_nt_hash’ declared here
2263 | uint8_t old_nt_hash[16], new_nt_hash[16];
| ^~~~~~~~~~~
../../source4/torture/rpc/samr.c: In function ‘test_ChangePasswordUser2_ntstatus’:
../../source4/torture/rpc/samr.c:2371:19: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
2371 | = data_blob_const(old_nt_hash, sizeof(old_nt_hash));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../source4/torture/rpc/samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source4/torture/rpc/samr.c:2368:17: note: ‘old_nt_hash’ declared here
2368 | uint8_t old_nt_hash[16], new_nt_hash[16];
| ^~~~~~~~~~~
../../source4/torture/rpc/samr.c: In function ‘test_ChangePasswordUser3’:
../../source4/torture/rpc/samr.c:2478:38: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
2478 | DATA_BLOB old_nt_hash_blob = data_blob_const(old_nt_hash, 16);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../source4/torture/rpc/samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source4/torture/rpc/samr.c:2473:17: note: ‘old_nt_hash’ declared here
2473 | uint8_t old_nt_hash[16], new_nt_hash[16];
| ^~~~~~~~~~~
../../source4/torture/rpc/samr.c: In function ‘test_ChangePasswordRandomBytes’:
../../source4/torture/rpc/samr.c:2794:19: error: ‘old_nt_hash’ may be used uninitialized [-Werror=maybe-uninitialized]
2794 | = data_blob_const(old_nt_hash,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
2795 | sizeof(old_nt_hash));
| ~~~~~~~~~~~~~~~~~~~~
In file included from ../../source4/../lib/util/samba_util.h:48,
from ../../source4/include/includes.h:62,
from ../../source4/torture/rpc/samr.c:24:
../../lib/util/data_blob.h:116:20: note: by argument 1 of type ‘const void *’ to ‘data_blob_const’ declared here
116 | _PUBLIC_ DATA_BLOB data_blob_const(const void *p, size_t length);
| ^~~~~~~~~~~~~~~
../../source4/torture/rpc/samr.c:2792:17: note: ‘old_nt_hash’ declared here
2792 | uint8_t old_nt_hash[16], new_nt_hash[16];
| ^~~~~~~~~~~
cc1: all warnings being treated as errors
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@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>
This means yet another library, but having to depend on gensec just
for dcerpc_parse_binding() and basic packet parsing seems like a bit
overkill to me.
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): Tue Apr 6 23:33:14 UTC 2021 on sn-devel-184
