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Without this protection we will spin during decode of a string_array or nstring_array
that is terminated by only a single NUL byte, not two as required by UTF-16.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13874
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Tests to ensure that ndr_pull_string handles zero and one byte length
data correctly for both character strings and UTF-16 strings.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13874
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This avoids ending a failed parse with 'dump OK'
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This function is not just unused, it is a problem because there is no
enforced connection between r->ab.length and r->cbData.
The last caller was removed in the previous commit.
Found by Douglas Bagnall using Hongfuzz and the new fuzz_ndr_X
fuzzer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We can do this because ndr_{pull,push}_CFDATA is unused.
The earlier commit 466d5e8147 removed
the link between "uint16 cbData" and the size of "DATA_BLOB ab" so
when the new ndr_fuzz_X fusser pushed a new structure this allowed
a read beyond the end of allocated memory.
The ndr_push_cab_file() function is also manually written and
does not rely on the value of cbData to calculate the checksum.
Found by Douglas Bagnall using Hongfuzz and the new fuzz_ndr_X
fuzzer, which like ndrdump's struct mode uses the public structure
tables. (This is how it found the unused functions to test).
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This allows ndrdump --validate to avoid following a NULL pointer when re-pushing
a valid but unusual input.
It also avoids an issue if the Samba server code were to provide a response
without an EncryptedRandomSessionKey.
At this stage ntlmssp.idl is not used for this, instead the packets are
generated with msrpc_gen().
Found by Douglas Bagnall using Hongfuzz and the new fuzz_ndr_X
fuzzer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Nov 20 06:06:29 UTC 2019 on sn-devel-184
When there is no data we still need to allocate for the terminating NULL.
Found by Michael Hanselmann using Honggfuzz and an fuzzer for Samba's
NDR layer.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13875
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This may assist in distinguishing between "runner" and "pull" failures.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
It has become customary to provide reproduction steps for fuzzing failures
in terms of an ndrdump command line. This allows the input to be provided
as a argument or in a file rather than via base64 -d. This makes reproducing
the issue easier as everything can be put in a plaintext bug report.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This allows us to learn if there are other memory leaks not on the mem_ctx
during the processing of the packet.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
There were two duplicate implementations of packet dumping just for the s4 RPC server!
This unifies them and makes them easier to find because they are not triggered
from the generated server stub any more.
The behaviour have unified on setting "dcesrv:stubs directory" and
being compiled with --enable-developer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Nov 20 02:14:56 UTC 2019 on sn-devel-184
This should aid in debugging NDR parse failures.
Use the ABI bump to again exclude ndr_table_misc incorrectly
added in ABI 0.2.1.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Nov 19 14:47:46 UTC 2019 on sn-devel-184
It is important that the generated print function checks r->messages
before de-referencing r->messages[num] as r->num can be non-zero
while r->messages is NULL.
There is not witness server in Samba and print functions are only
used during debugging and ndrdump in any case.
The change in the IDL does not change the header and the IDL
function is already nopull,nopush so only the print function changes.
Found by Douglas Bagnall using Honggfuzz and a new fuzzer for
Samba's NDR layer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Sun Nov 17 23:54:11 UTC 2019 on sn-devel-184
These make much more sense than the NTSTATUS values they can be forced
to map to.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This requires that misc.GUID not move in the IDL, so a comment is added.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We were finding a function that happened to have the same ordinal
number.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This avoids a race with file_exist() and demostrates a better
way to use this function.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Nov 15 18:48:27 UTC 2019 on sn-devel-184
The source3 RPC server will do a lookup by GUID and should
not be returned a table for a zero GUID.
Thankfully such a pipe would also need to have been registered
but regardless this is not a determinsitic result so should
be avoided.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The function or struct number should be >= 0 ans the underlying
number it is compared to is uint32_t.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Pair-programmed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Wed Nov 13 01:55:33 UTC 2019 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Pair-progammed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This allows ndrdump to dump many more public structures because most
of these are not in files with a UUID as they are not RPC protocols.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Pair-progammed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This helps ndrdump find public structures to dump
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This is just a list of event IDs, there are no structures to parse.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Pair-progammed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
If a data stream fails to parse as an NDR object, the default ndrdump
action is to try to print those structures anyway, resulting perhaps in
a NULL dereference. Sometimes you don't want to see that because it isn't
very interesting and makes it harder to distinguish a crash in the parse
routines. So --stop-on-parse-failure will skip the print and validate
stages altogether if the parse failed.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Pair-programmed-with: Andrew Bartlett <abartlet@samba.org>
This helps generate fuzzers for this IDL.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Will be used from s3 implementation when a connection is passed to other
process where a particular association group was created.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Oct 18 17:30:39 UTC 2019 on sn-devel-184
This function will be public and available for s3 and s4 implementations.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The S3 implementation needs to reinit the dcesrv_context and free the
endpoints list with their registered interfaces.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Next commits will move the core of s4 rpc server to this library.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Split the common bits of dcerpc_generic_session_key to librpc and rename
client the specific part to dcecli_generic_session_key.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We do not have a server for this DCOM component so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a server for the Win32 Time Server so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a client or server for this DCOM component so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a source4 varient of the dfs server, so do not generate
the code for it.
DFS is very closely tied to SMB so we use the DFS server in
smbd.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a source3 varient of the unixinfo server, so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a server for the DCOM Remote activation service, so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a source4 varient of the ntsvcs server, so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We do not have a source4 varient of the initshutdown server, so do not generate
the code for it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This avoids building server-side code we do not use and so makes the build
smaller and code auditing easier.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
No change in behaviour, this just changes all functions to take the
policy_handle argument as pointer instead of passing it by value.
This is how all other IDLs pass it.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Oct 9 15:52:55 UTC 2019 on sn-devel-184
Spotted this in mdssvc response that containied many results for a search
request: if the mdssvc response blob is larger then ~32k, the server fragments
the response in 32k fragments and sets the "fragment" field to 1.
Note that mdssvc implemenets result set "fragmentation" at the result set layer,
not at the marshalled response buffer layer. Therefor mdssvc always sets this
field to 0.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Fixes:
librpc/ndr/ndr_orpc.c:140:2: warning: Value stored to 'towernum' is never read <--[clang]
towernum = 0;
^ ~
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This allows us to avoid generating client code for NDR-only protocols that do
not go over DCE/RPC
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We retain the IDL and NDR parsers for ndrdump.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This sorts out the idl list into the parts that actually need --python and --client specified
and so speeds up the compile and clarifies the code behaviour.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We can now dump public structures using ndrdump, so helper dump functions
are not required any more.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We only want to record the GUID and function table names, we do not need
to generate uncalled stubs.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13969
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Jun 21 11:02:21 UTC 2019 on sn-devel-184
The endian changes are needed in order to get the following result
from the blobs Windows generated (see the torture test):
AddrArray: ARRAY(3)
AddrArray: struct dnsp_dns_addr
family : 0x0002 (2)
port : 0x0035 (53)
ipv4 : 172.31.99.33
ipv6 : 0000:0000:0000:0000:0000:0000:0000:0000
[MS-DNSP] states that the port is supposed to be ignored, but it's still
good to decode it as port '53' (0x0035) instead of '13568' (0x3500).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13969
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
In future we should use ipv4address, but that would result in a much
larger change.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13969
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Fixes:
librpc/ndr/ndr_basic.c:170:5: warning: Assigned value is garbage or undefined <--[clang]
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer gary@catalyst.net.nz
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Remove the decode_* functions as they are no longer needed, and this
will reduce the amount of untested automatically generated code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add a struct option to ndrdump that will allow it to print public
structures.
i.e. binn/ndrdump dns dns_name_packet struct data.file
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Generate code to allow ndrdump to operate on public structures.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
The length is in test units, not bytes, and includes terminating
nulls. For 16-bit character sets, the terminating null must be two
bytes.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
These are called flags because that is what they become to the ndr_pull function,
but to avoid total confusion treat them as flags generally even if the values are
always exclusive (at the moment).
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
There's no need for the local variables as the NDR call structure
pointer is kept around anyway.
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13799
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13818
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Björn Jacke <bjacke@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Fold the two 32 bit values logon_id_high and logon_id_low into a single
64 bit logon_id in netr_identity_info. This will be used to tie
together winbind and SamLogon requests in audit logging.
Summary of the of the Query and Response from Microsoft on it's usage.
[REG:119013019612095] [MS-NRPC]: NETLOGON_LOGON_IDENTITY_INFO: Does
the Reserved field have LogonId meaning?
Questions:
In NetrLogonSamLogonEx does the Reserved field
(of NETLOGON_LOGON_IDENTITY_INFO) have LogonId meaning?
What is a valid LogonID, and does have any audit usage?
Samba is sending a constant "deadbeef" in hex and would like to
understand any usage of this field.
Response:
The NRPC spec is accurate in defining the field as Reserved, and without
protocol significance. In the header file in our source code, it is
defined as LogonId and commented as such, but it’s effectively not used.
This is probably why the API structure has that field name. It may have
been intended as such but it’s not used.
Samba will send a random value in this field.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Removed occurrences of bin/default used in #include directive for
auto-generated headers residing in build directory.
Build system is capable of resolving path to such headers by itself
without extra hardcoded path to build directory.
Signed-off-by: Aliaksei Karaliou <akaraliou@panasas.com>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Feb 4 02:03:56 CET 2019 on sn-devel-144
commit 74206984da introduced
TSIG related error codes up to DNS_RCODE_BADALG = 0x15
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The in/out type of pszDestInfPath needs to be a string type for
RPC call UploadPrinterDriverPackage.
Per the Spec:
[in, out, unique, size_is(*pcchDestInfPath)] wchar_t* pszDestInfPath,
pszDestInfPath: A pointer to a buffer that receives a string that
specifies the full path of the directory to which the driver
installation control file was copied.
Signed-off-by: Justin Stephenson <jstephen@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Bjoern Jacke <bjacke@samba.org>
Generate a GroupChange event when a user is created with a PrimaryGroup
membership. Log the windows event id in the JSON GroupChange message.
Event Id's supported are:
4728 A member was added to a security enabled global group
4729 A member was removed from a security enabled global
group
4732 A member was added to a security enabled local group
4733 A member was removed from a security enabled local group
4746 A member was added to a security disabled local group
4747 A member was removed from a security disabled local group
4751 A member was added to a security disabled global group
4752 A member was removed from a security disabled global
group
4756 A member was added to a security enabled universal
group
4757 A member was removed from a security enabled universal
group
4761 A member was added to a security disabled universal
group
4762 A member was removed from a security disabled universal
group
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add a sleep command that pauses the target process for the specified
number of seconds
This command is only enabled on developer and self test builds.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add a new "eventId" element to the PasswordChange JSON log messages.
This contains a Windows Event Code Id either:
4723 Password changed
4724 Password reset
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add idl definitions for Windows Event Code Ids, and Logon Types. This
intial commit adds:
Event Ids
4264 Successful logon
4625 Unsuccessful logon
Logon Types
2 Interactive
3 Network
4 Batch
5 Service
7 Unlock
8 NetworkCleartext
9 NewCredentials
10 RemoteInteractive
11 CachedInteractive
The intention is to add Windows Event Codes to the JSON log messages, to
provide a common event identifier in mixed Windows and Samba networks.
And to assist security personnel with a windows background.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Also remove the redundant check in ndr_push_DATA_BLOB.
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): Fri Dec 7 15:33:38 CET 2018 on sn-devel-144
librpc/ndr/ndr_basic.c:723:2: runtime error: null pointer passed as
argument 2, which is declared to never be null
The following triggered the undefined behavior:
(gdb) bt
at librpc/gen_ndr/ndr_drsuapi.c:2318
fn=0x7ffff6e72983 <ndr_push_drsuapi_DsReplicaObjectIdentifier3Binary>) at ../../librpc/ndr/ndr.c:1337
at ../../source4/dsdb/schema/schema_syntax.c:2136
drs_str=<optimized out>) at ../../source4/dsdb/schema/tests/schema_syntax.c:122
already_setup=<optimized out>, restricted=restricted@entry=0x0) at ../../lib/torture/torture.c:442
at ../../lib/torture/torture.c:507
suite=0x5555563d9490, matched=0x7fffffffcef7) at ../../source4/torture/smbtorture.c:93
matched=0x7fffffffcef7) at ../../source4/torture/smbtorture.c:95
at ../../source4/torture/smbtorture.c:143
(gdb) f 1
1335 NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
(gdb) p blob
$2 = {data = 0x0, length = 0}
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Thu Dec 6 08:48:28 CET 2018 on sn-devel-144
A signed integer does not make any sense for an IDL array length
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
librpc/ndr/ndr.c:1430 runtime error: left shift of 1 by 31 places cannot
be represented in type 'int'
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Fri Nov 23 01:23:09 CET 2018 on sn-devel-144
We need to make a duplicate in order to have reasonable python bindings.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It seems that there might be pre-existing endianness issues which would be fixed by the ndr_push.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This will be useful when exporting registry.pol files.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Generate a GUID for each successful authorization, this will allow the
tying of events in the logs back to a specific session.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
read_hex_bytes() is going to be used in lib/util/rfc1738.c.
parse_guid_string() is shifted for two reasons: Firstly, it is called
very often in some operations, sometimes constituting a few percent of
the CPU load, and it makes several calls to read_hex_bytes(). We want
the compiler to be able to inline those calls if it thinks that is
wise. Secondly, there are other places that could do with fast GUID
parsing.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This reflects the new implementation in winbindd.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13237
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Move the still relevant parts elsewhere
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Sun Jan 21 11:48:01 CET 2018 on sn-devel-144
When pulling for example an RRSIG record, we end up with length!=0 *and*
unexpected.length != 0, but with an unknown rrec. We should be able to
marshall what we retrieved from the wire.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Encrypt the samba secret attributes on disk. This is intended to
mitigate the inadvertent disclosure of the sam.ldb file, and to mitigate
memory read attacks.
Currently the key file is stored in the same directory as sam.ldb but
this could be changed at a later date to use an HSM or similar mechanism
to protect the key.
Data is encrypted with AES 128 GCM. The encryption uses gnutls where
available and if it supports AES 128 GCM AEAD modes, otherwise nettle is
used.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The "system" xattr namespace is reserved for the kernel. Any attempt to
use xattrs in that namesspace will fail with EOPNOTSUPP, regardless of
priveleges. In autobuild we're using the xattr_tdb VFS module, so it
works there.
Using the "security" namespace instead makes this module generally
usable with Linux filesystem xattrs as storage backend.
Additionally prefix the xattr name with "_ndr". This is in preperation
of later commits that add a ACL blob marshalling format based on XDR. To
avoid xattr name collision, both format will use distinct xattr names by
default.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sun Oct 22 21:40:16 CEST 2017 on sn-devel-144
Nobody uses the function nfs4acl_test.
It took a while to figure out how to get this to build. The "uuid" line in the
idl file triggers pidl to generate the function table entry, which in turn then
triggers tables.pl to register this interface
./bin/default/source4/librpc/gen_ndr/tables.c. We could for example do the same
with xattr_parse_DOSATTRIB. Nobody uses this.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This makes the domain SID available to the idmap child for
wbint_UnixIDs2Sids mapping request. It's not used yet anywhere, this
comes in the next commit.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13052
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This message shows up a lot (every packet) at level 6 for the succesful case
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This means that the default print binding string qualifier will now go via this debug class
as will explicit calls to ndr_print_debug() and ndr_print_union_debug().
Calls to ndr_print_debugc() are not changed.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
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 25 04:10:25 CEST 2017 on sn-devel-144
- Update IDL comments to include Microsoft reference doc
- Add support for sending v10 GetNCChanges request (needed for the
GET_TGT flag, which is in the new 'more_flags' field)
- Update to also set the GET_TGT flag in the same place we were setting
GET_ANC (I split this logic out into a separate function).
- The state struct now needs to hold a 'more_flags' field as well (this
flag is different to the GET_ANC replica flag)
Note that using the GET_TGT when replicating from a Windows DC could be
highly inefficient. Because Samba keeps the GET_TGT flag set throughout
the replication cycle, it will basically receive a repeated object from
Windows for every single linked attribute that it receives.
I believe Windows behaviour only expects the client to set the GET_TGT
flag when it actually needs to (i.e. when it receives a target object it
doesn't know about), rather than throughout the replication cycle.
However, this approach won't work with Samba-to-Samba replication,
because when the server receives the GET_TGT flag it restarts the
replication cycle from scratch. So if we only set the GET_TGT flag when
the client encountered an unknown target then Samba-to-Samba could
potentially get into an endless replication loop.
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12972
Add checks for the maximum permitted length, maximum number of labels
and the maximum label length. These extra checks will be used by the
DNS wild card handling.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12952
Allocate them off the NULL context not the talloc_autofree_context().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12932
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is string is used several places in the code and tests, so it
should be a constant.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12865
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
STORAGE_OFFLOAD_TOKEN_TYPE_ZERO_DATA is defined as 0xffff0001 in MS-FSCC
2.3.79.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The range included the unused (1<<14) before.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12782
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Add a String constructor, str and repr methods to the
samba.dcerpc.lsa.String python object
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
See [MS-NRPC] 3.5.4.5.1 NetrLogonSamLogonEx (Opnum 39).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This allows you to forward bad password count resets to 0. Currently,
there is a missing access check for the RODC to ensure it only applies
to cached users (msDS-Allowed-Password-Replication-Group).
(further patches still need to address forcing a RWDC contact)
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Enable the DCERPC_SCHANNEL_AUTO option in dceprc bindings. If not enabled
calls to netlogon.netlogon from python fail with NT_STATUS_DOWNGRADE_DETECTED
if schannel bindings are specified.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Add the blobs required to allow the storing of an sha256 or sha512 hash of
the password in supplemental credentials
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The wscript_build files convey what header files belong to which
logical package. For example,
# lib/util/wscript_build:
bld.SAMBA_LIBRARY('samba-util',
public_headers='... data_blob.h ...'
# auth/credentials/wscript_build:
bld.SAMBA_LIBRARY('samba-credentials',
public_headers='credentials.h',
Now, credentials.h #includes <util/data_blob.h> and therefore,
samba-credentials.pc must have a Requires: samba-util.
Similarly for other parts.
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
While these names may have been clear, much of Samba uses
remote_address and local_address, and this difference has hidden bugs.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
This will allow AUTH_EVENT_NAME and MSG_AUTH_LOG to be accessed from python
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Mar 28 13:19:03 CEST 2017 on sn-devel-144
This makes it easy to ensure we use the same name in the python and the C
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Pair-Programmed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Bob Campbell <bobcampbell@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
The ndr token code keeps a temporary store of tokens which are
referred to a small number of times (often once) before being
discarded. The access patterns are somewhat stack-like, with recently
placed tokens being accessed most often.
The old code kept these tokens in a linked list, which we replace with
a self-resizing array.
This keeps everything roughly the same in big-O terms, but makes it
all faster in practice by vastly reducing the amount of tallocing and
pointer-chasing.
The peak memory use is strictly reduced. On a 64 bit machine each core
token struct fits in 16 bytes (after padding) while the two pointers
used by the DLIST add another 16 bytes, so the overall list allocation
is the same as the peak 2n array allocation -- except in the list case
it is dwarfed by the talloc and malloc metadata overhead.
Before settling on the resized arrays, we tried red-black trees, which
are bound to be better for large ndr structures. As it happens, we
don't deal with large structures (the size of replication clumps is
limited to 400 objects) and the asymptotic benefits of the trees are
not realised in practice.
With luck you should find graphs comparing the performance of these
various techniques at:
https://www.samba.org/~dbagnall/perf-tests/ndr-token/
This necessarily breaks the ABI because the linked list implementation
was publicly exposed.
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): Thu Mar 2 08:38:22 CET 2017 on sn-devel-144
Commit 1eef708729 changed the mapping for
DCERPC_NCA_S_FAULT_INVALID_TAG from NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE
to NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12585
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This allows the user to input a hexdump that has been generated by the dump option.
Signed-off-by: Cody Harrington <cody@harringtonca.com>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We were crashing earlier when calculating the length of NULL strings in
fixed size arrays (noticed while replying with an empty
spoolss_CorePrinterDriver struct within the spoolss_GetCorePrinterDrivers
call).
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Microsoft got their docs wrong in MS-RPRN Section 2.2.1.10.1 (footnote
65): PROCESSOR_AMD_X8664 must be 0x000021D8 and not 0x000022A0.
This is what recent windows versions report back from a spoolss
getprinter level 0 RPC call.
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is an equivalent of QueryUserList with simpler output. The next
commit will use it to go through wb_getpwsid for getent passwd, to
make sure we get the same results. Eventually, this might get a simpler
backend.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This call will be done in the idmap child. It is not 100% the right place,
but there is no better one available to me. It will become a replacement
for the "winbind nss info" parameter: This global parameter is good
for just one domain. It might be possible to have idmap backend AD for
different domains, and the NSS info like primary gid, homedir and shell
might be done with different policies per domain. As we already have a
domain-specific idmap configuration, doing the NSS info configuration
there also is the closest way to do it.
The alternative, if we did not want to put this call into the idmap child
would be to establish an equivalent engine like the whole "idmap config
*" just for the nss info. But as I believe this is closely related,
I'll just keep it in the idmap child.
This also extends the wbint_userinfo structure with pretty much all user
related fields. The idea is that the GetNssInfo call can do whatever it
wants with it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
When asking for gid2sid with an idmap backend that does ID_TYPE_BOTH
and the sid in question is actually a user, the parent winbind needs
to know about it. The next commit will prime the gencache also after
xid2sid calls, and if we filled it with a ID_TYPE_GID entry, a later
sid2uid call would fail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12484
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Thanks to Trend Micro's Zero Day Initiative and Frederic Besler for finding
this vulnerability with a PoC and a good analysis.
Signed-off-by: Volker Lendecke <vl@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12409
