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This flag can be used to change marshalling behaviour with regard to
compression.
Example: DNS packets make use of so called DNS name compression which
means that for identical strings in a DNS packet, the second string is
replaced with a reference (an offset) to the first.
Setting this flag requests to turns off the marshalling compression.
This will be used in the next commit to prevent name compression in DNS
TSIG records.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=11520
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This allows us to remove talloc() calls from GUID_from_ndr_blob().
To do this the struct ndr_pull is placed on the stack, and filled in there.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This is often a hot path, particularly with complex structures like
nt-acls.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Switch values currently only have a peek variant, instead of a retrieve
variant for getting their values. This can create performance issues
with complex structures as the token list simply grows longer.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
From RFC 1035:
3.3.14. TXT RDATA format
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TXT-DATA /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
where:
TXT-DATA One or more <character-string>s.
TXT RRs are used to hold descriptive text. The semantics of the text
depends on the domain where it is found.
Each record contains an array of strings instead of just one string.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11128
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11686
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows public headers to not include samba_util.h, but rather
specific header files under lib/util.
Signed-Off-By: Jelmer Vernooij <jelmer@samba.org>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
That's much easier for the callers.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Dec 18 04:07:56 CET 2015 on sn-devel-144
Older Samba versions (<= 4.1) had a bug in the dcerpc_bind_nak
idl, see commit f73ef3028c.
Note: ndr_pull_dcerpc_bind_nak() was generated by pidl and
has been extended by the (_available == 0) check.
That's why we ignore the 80 char per line limit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11327
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 21 20:34:28 CEST 2015 on sn-devel-104
Windows uses a username of 'domain.example.com.' as username and we need to
return it that way in the NETLOGON_SAM_LOGON_RESPONSE_EX reply.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
ndr_print_bkrp_data_in_blob requires the level to be set in the
proper ndr->switch_list context.
Signed-off-by: Arvid Requate <requate@univention.de>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This is in preparation for adding NETWORK_INTERFACE_INFO Ioctl smbtorture test
case. This data structure is described in MS-SMB2 Sec. 2.2.32.5
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Anubhav Rakshit <anubhav.rakshit@gmail.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This way we can alter the define depending on the generated code.
E.g python bindings won't have an 'ndr' struct available.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
domains with more then 10 subdomains are not so uncommon.
https://bugzilla.samba.org/show_bug.cgi?id=10439
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Thu Feb 13 16:30:50 CET 2014 on sn-devel-104
They can be used to parse a fragmented NDR byte stream.
ndr_pull_append() appends more data that can be processed
and ndr_pull_pop() removed already processed data.
This will be used to implement dcerpc pipes, where we can get
a verify large amount of pipe chunks, once we processed a chunk
we can forget about the related data, but we may need to keep some
bytes in order to get the alignment right.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This will be usefull to try parsing DCERPC pipe chunks for
LIBNDR_FLAG_INCOMPLETE_BUFFER.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
If we pull a pipe chunk we need a way to check if we
have enough bytes to parse the complete chunk.
Setting ndr_pull->flags |= LIBNDR_FLAG_INCOMPLETE_BUFFER
would change NDR_ERR_BUFSIZE (and later maybe others)
into NDR_ERR_INCOMPLETE_BUFFER.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This extracts the dcerpc_sec_verification_trailer from the end
of an ndr_pull structure, it found it reduces ndr->data_size.
NDR_ERR_ALLOC is the only possible error, all other errors
are ignored and a trailer with command count = 0 is returned.
Pair-Programmed-With: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
See [MS-RPCE] 2.2.2.13 Verification Trailer for details.
Pair-Programmed-With: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This lets ndr_pull_subcontext_end() make sure that all
subcontext bytes are consumed otherwise it returns NDR_ERR_UNREAD_BYTES.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Previous implementation had a problem with NDR64 with uint32 and
uint3264 being in the wrong order
Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 30 10:16:02 CET 2013 on sn-devel-104
In 816e68f94f the display of unset bits has been
effectively disabled while only the check for 0 bits was supposed to be avoided
(because it creates the infite loop).
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Oct 9 19:56:39 CEST 2013 on sn-devel-104
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 2 15:02:07 CEST 2013 on sn-devel-104
It's much easier to look at hexdump -C style output than
a few thousand lines with 1 byte each.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Matthieu Patou <mat@matws.net>
This change addresses bug 9026.
There are 3 use cases for DATA_BLOB marshalling/unmarshalling:
1)
ndr_push_DATA_BLOB and ndr_pull_DATA_BLOB when called with
LIBNDR_FLAG_ALIGN* alignment flags set, are used to push/pull padding
bytes _only_. The length is determined by the alignment required and
the current ndr offset.
e.g. dcerpc.idl:
typedef struct {
...
[flag(NDR_ALIGN8)] DATA_BLOB _pad;
} dcerpc_request;
2)
When called with the LIBNDR_FLAG_REMAINING flag, all remaining bytes in
the ndr buffer are pushed/pulled.
e.g. dcerpc.idl:
typedef struct {
...
[flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
} dcerpc_request;
3)
When called without alignment flags, push/pull a uint32 length _and_ a
corresponding byte array to/from the ndr buffer.
e.g. drsblobs.idl
typedef [public] struct {
...
DATA_BLOB data;
} DsCompressedChunk;
The fix for bug 8373 changed the definition of "alignment flags", such
that when called with LIBNDR_FLAG_NOALIGN ndr_push/pull_DATA_BLOB
behaves as (1: padding bytes) rather than (3: uint32 length + byte
array).
This breaks marshalling/unmarshalling for the following structures.
eventlog.idl:
typedef [flag(NDR_NOALIGN|NDR_PAHEX),public] struct {
...
DATA_BLOB sid;
...
} eventlog_Record_tdb;
ntprinting.idl:
typedef [flag(NDR_NOALIGN),public] struct {
...
DATA_BLOB *nt_dev_private;
} ntprinting_devicemode;
typedef [flag(NDR_NOALIGN),public] struct {
...
DATA_BLOB data;
} ntprinting_printer_data;
Signed-off-by: Günther Deschner <gd@samba.org>
This copes with the fact that r->sub_auths is a fixed-size array, not
an allocated pointer, and so will still have some bytes no filled in
if the sid did not have a MAX_SUB_AUTHS sub-authorities.
Andrew Bartlett
This reverts commit 2642f38588.
This is not needed anymore, as 035342c117
"Fix bug #8373 - Can't join XP Pro workstations to 3.6.1 DC." is
the more generic fix for the problem.
metze
Treat LIBNDR_FLAG_NOALIGN and LIBNDR_FLAG_REMAINING the same as the
other align flags - make them mutually exclusive.
Combined work from Metze, Günther and Jeremy.
The same as ndr_pull_charset(), however only perform character
conversion on bytes prior to and including the null terminator.
Signed-off-by: Jeremy Allison <jra@samba.org>
ndr_set_flag or's in the given flag (ALIGN4). At this point, ndr->flags
contains NOALIGN, which will persist. In ndr_push_DATA_BLOB NOALIGN overrides
everything else, so that the ALIGN4 is not respected.
Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Fri Nov 18 09:33:37 CET 2011 on sn-devel-104
Windows returns multiple DNS_RPC_RECORDS structures, but there is
no well defined structure in [MS-DNSP] doc. Added hand-written
code to parse ndr.
Pair-Programmed-With: Andrew Tridgell <tridge@samba.org>
Signed-off-by: Andrew Tridgell <tridge@samba.org>
We have 3 different types of flags values in our NDR layer. We've
recently found bugs where these types of flags have been mixed up,
especially by people adding hand written ndr code for tricky
structures. We previously got away with this because (for example)
NDR_SCALARS and NDR_IN had the same value, so mixing up the two
concepts sometimes worked. Unfortunately it also led to bugs where we
didn't do what was expected, such as in our smbtorture ndr test suite,
where passing a ndr_flags value of zero led to only checking that two
empty structures were equal.
This changes the values of the NDR_IN|NDR_OUT and
NDR_SCALARS|NDR_BUFFERS values to be in different bit ranges, and adds
macros for checking the validity of passed in flags. A followup patch
modifies the ndr calls to use these macros, and pidl to generate
them. This should catch misuse of the APIs.
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
the two types of ndr flags were being mixed up, so NDR_BUFFERS was
being interpreted as LIBNDR_FLAG_NOALIGN
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
As discussed in 'CH_DISPLAY and gettext' on the samba-technical list:
http://lists.samba.org/archive/samba-technical/2011-June/078190.html
Setting this to a value other than 'unix charset' does not make sense,
as any system where the filesytem charset does not equal the terminal
charset will already have problems with programs as simple as 'ls'.
It also means that our output could not be pasted as our input in
interactive programs or onto our command line, as we never did
translate in the DISPLAY -> UNIX direction.
The d_printf() calls are retained in case we need to revisit this, and
to support display_set_stderr().
Andrew Bartlett
