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Commit Graph

4659 Commits

Author SHA1 Message Date
Rikard Falkeborn
730037504d s3: libsmbclient: Fix return value if cli_open() fails
Returning -1 in a function with bool as return value type is the same
as returning true. Change to false to indicate the error.

Detected by the help of cppcheck.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Ralph Böhme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-05-19 17:34:21 +00:00
Noel Power
cea41645fb s3: squash 'cast between incompatible function types' warning
Some functions (e.g. py_smb_savefile) have an extra unecessary
*kwargs param in their signatures, these definitions are
causing 'cast between incompatible function types' warnings when
compiled with -Wcast-function-type. Some other functions have
the *kwargs which causes "cast between incompatible function types'
warnings which need to be squashed with use of the
PY_DISCARD_FUNC_SIG macro.

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
2019-05-16 17:55:17 +00:00
Andreas Schneider
28518c579d s3:libsmb: Add missing OOM check in fill_quota_buffer()
Found by covscan (csbuild).

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Noel Power <nopower@suse.com>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed May 15 00:45:58 UTC 2019 on sn-devel-184
2019-05-15 00:45:58 +00:00
Andreas Schneider
99eb720338 s3:libsmb: Fix C99 initializer in cli_smb2_fnum.c
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2019-04-29 16:04:28 +00:00
Andreas Schneider
011a47f04d s3:libsmb: Add some useful debug output to cliconnect
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13861

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2019-04-02 01:12:09 +00:00
Volker Lendecke
0876712ce8 libsmb: Make cli_posix_chown/chmod proper tevent_req functions
This prepares for making them smb2-aware

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): Mon Apr  1 19:00:11 UTC 2019 on sn-devel-144
2019-04-01 19:00:11 +00:00
Volker Lendecke
aac203907f libsmb: Rename InfoType from [MS-SMB2] according to the spec
This makes it easier to find this via internet search

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-04-01 17:58:16 +00:00
Volker Lendecke
3e1d8ab125 libsmb: Change cli_posix_readlink to return talloc'ed target
This is a deviation from the Posix readlink function that from my
point of view makes this function easier to use. In Posix, probably
the assumption is that readlink is cheap, so someone under memory
constraints could just start with a small buffer and incrementally
increase the buffer size. For us, it's a network round-trip, and we
have the luxury of [mt]alloc, which the syscall kernel interface does
not have.

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 Mar 27 12:31:37 UTC 2019 on sn-devel-144
2019-03-27 12:31:37 +00:00
Volker Lendecke
3478e9d124 libsmb: Don't pass "cli" to cli_posix_readlink_recv
From my point of view the option to change "cli" between
cli_posix_readlink_send and _recv is not necessary.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-27 11:20:23 +00:00
Volker Lendecke
c7fae52ff0 libsmb: Rename "readlink_state" to "cli_posix_readlink_state"
This is more in line with most other users of tevent_req: The state is
called fully after the routines it acts as a state repository for.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-27 11:20:23 +00:00
Volker Lendecke
f9a6992e80 libsmb: Fix valgrind errors in cli_smb2_get_reparse_point
Both tevent_req_nterror and tevent_req_is_nterror invalidate
"state". Pull the variables out of "state" before calling those two
functions.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-27 11:20:23 +00:00
Volker Lendecke
5c6fdb5dc7 libsmb: Fix cli_smb2_get_reparse_point_fnum_send
Use the correct state variable type

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2019-03-26 03:03:23 +00:00
Volker Lendecke
2a430625e7 libsmb: Make SMB1-only cli_nt_hardlink calls static
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 Mar 20 23:32:31 UTC 2019 on sn-devel-144
2019-03-20 23:32:31 +00:00
Volker Lendecke
b5af004b23 libsmb: Introduce protocol-agnostic cli_hardlink
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-20 22:07:45 +00:00
Volker Lendecke
b4c87b09b6 libsmb: Use cli_smb2_set_info_fnum()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-20 22:07:45 +00:00
Volker Lendecke
c013aad7b7 libsmb: Simplify cli_smb2_ftruncate
We don't need to talloc 8 bytes, they can live on the stack. When we
go async, this can go into the state struct.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-20 22:07:45 +00:00
Volker Lendecke
32c5b6c1c2 libsmb: Simplify cli_smb2_delete_on_close
Use cli_smb2_set_info_fnum, remove "state" variables

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-20 22:07:45 +00:00
Volker Lendecke
4f5b9e509f libsmb: Add cli_smb2_set_info_fnum
This wraps getting the file handle from the fnum

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-20 22:07:45 +00:00
Volker Lendecke
e872227bfb libsmb: Fix a "assuming signed overflow does not occur" error
Eventually we need to convert internal_resolve_name to "size_t" for
"return_count". But that's a patch for another day :-)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2019-03-18 19:21:24 +00:00
Volker Lendecke
7da54f6fd3 libsmb: Align integer types
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2019-03-18 19:21:24 +00:00
Volker Lendecke
4e6f32ad7d libsmb: Use cli_smb2_query_info_fnum
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-18 19:21:24 +00:00
Volker Lendecke
5909709e3b libsmb: Add cli_smb2_query_info_fnum
This wraps getting the file handle from the fnum

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-18 19:21:24 +00:00
Volker Lendecke
7e6991565e libsmb: Change cli_posix_stat_send to take a pointer to sbuf
This moves the parsing work from the _recv function into the _done
function. This makes writing the SMB2 call easier later on: We can
have a smb2-specific done function doing the smb2-specific work and we
don't have to fork on protocol in the _recv function.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-18 19:21:24 +00:00
Volker Lendecke
cfc3f32038 libsmb: Make cli_posix_[sym|hard]link proper tevent_req functions
Simplify adding SMB2 to those functions

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-18 19:21:23 +00:00
Volker Lendecke
2040196e10 libsmb: Use tevent_req_simple_finish_ntstatus
Less lines of code

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-18 19:21:23 +00:00
Volker Lendecke
afd5d34f5e libsmb: Use sid_parse()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2019-03-12 00:42:19 +00:00
Volker Lendecke
7caf2cbdf1 libsmb: Use tevent_req_simple_finish_ntstatus
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 Mar  8 19:16:18 UTC 2019 on sn-devel-144
2019-03-08 19:16:18 +00:00
Volker Lendecke
9a38dc0c1f libsmb: Add "in_cblobs" to cli_smb2_unlink
This reveals the fact that unlink is an open/close in smb2 through the
API. This is not nice, but it's an internal API with currently only
one user. And it enables posix semantics for the open easily.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-08 18:20:10 +00:00
Volker Lendecke
7fc3b2b264 libsmb: Add "in_cblobs" to cli_smb2_rmdir
This reveals the fact that rmdir is an open/close in smb2 through the
API. This is not nice, but it's an internal API with currently only
one user. And it enables posix semantics for the open easily.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-08 18:20:10 +00:00
Volker Lendecke
20ebd17685 libsmb: Make cli_smb2_unlink async
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-08 18:20:10 +00:00
Volker Lendecke
3873437ee0 libsmb: Simplify cli_smb2_mxac
smb2_create_blob_find() can search for a create blob for us

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-08 18:20:10 +00:00
Ralph Boehme
52e1171e21 s3:libsmb: add cli_query_mxac()
Works only for SMB2.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-04 18:11:17 +00:00
Ralph Boehme
c8c6da2c29 s3:libsmb: add cli_smb2_query_mxac()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-04 18:11:16 +00:00
Volker Lendecke
d1c2fe8907 libsmb: Make cli_posix_unlink/rmdir proper tevent_req/subreq pairs
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): Sat Mar  2 00:55:56 UTC 2019 on sn-devel-144
2019-03-02 00:55:56 +00:00
Volker Lendecke
65c269d538 libsmb: Use tevent_req_simple_finish_ntstatus()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-01 23:58:11 +00:00
Volker Lendecke
743b922ad9 libsmb: Use tevent_req_simple_finish_ntstatus()
Less lines... Just rediscovered this function :-)

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-01 23:58:11 +00:00
Volker Lendecke
99ef0ba048 libsmb: Make cli_smb2_rmdir asynchronous
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 Mar  1 01:30:35 UTC 2019 on sn-devel-144
2019-03-01 01:30:34 +00:00
Volker Lendecke
02f4080284 libsmb: add in/out cblobs to cli_smb2_create_fnum
This is driven by the imminent smb2 unix extensions, we'll want to make use of
it from source3/libsmb.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-01 00:32:12 +00:00
Volker Lendecke
56e08d3996 libsmb: Avoid a separate "cblobs" var sending smb2 create
Less lines of code, and we will add custom cblobs soon. This change
makes that logic easier.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-01 00:32:12 +00:00
Volker Lendecke
a787c319f1 libsmb: Reformat the cli_smb2_create_fnum_send args
We'll add parameters in the next commit, make that commit a bit more obvious

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-03-01 00:32:12 +00:00
Volker Lendecke
26f18b9bd7 libsmb: Resolve special _recv handling in cli_ntcreate
cli_smb2_create_fnum_recv will gain output create blobs soon and thus
differ from the NT1 function.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2019-02-25 19:36:20 +01:00
Volker Lendecke
5dd67797ca libsmb: Fix a resource leak in cli_posix_mkdir
smbd does posix_mkdir if the wire flags are exactly

	if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY))

open_flags_to_wire however adds a SMB_O_RDONLY, so that we enter the
normal open routine which happens to create a directory as well. The
main difference is that posix_mkdir does *NOT* return an open
handle. As we did not enter this code path due to the SMB_O_RDONLY we
leak a SMB1 fd per cli_posix_mkdir call.

Pretty hard to test automatically, this would be an interaction with
smbstatus.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-02-22 21:48:11 +01:00
Volker Lendecke
529c61d0c9 libsmb: Pull up wire_flags calculation from open_internal
This avoids passing down a boolean

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-02-22 21:48:11 +01:00
Volker Lendecke
64176f00bf libsmb: Convert cli_posix_open to normal tevent_req pattern
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-02-22 21:48:11 +01:00
Mark Niggemann
02c9bee85a set caller allocation units in statvfs f_bavail
Signed-off-by: Mark Niggemann <mark.niggemann@ge.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Bjoern Jacke <bjacke@samba.org>

Autobuild-User(master): Björn Jacke <bjacke@samba.org>
Autobuild-Date(master): Fri Feb 22 15:04:55 CET 2019 on sn-devel-144
2019-02-22 15:04:54 +01:00
Andreas Schneider
96df6878ed lib:util: Move discard_const(_p) to own header for libndr.h
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13778

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2019-02-14 15:59:26 +01:00
Aurelien Aptel
584dfc15fd libsmb,s3/smbd: dump SMB3+ session keys if debug parm is set
Use of previously added smb.conf global param.

Sample usage:

$ smbclient //localhost/scratch --option='debugencryption=yes' \
                                 -e -mSMB3 -U aaptel%aaptel -c quit
debug encryption: dumping generated session keys
Session Id    [0000] 26 48 BF FD 00 00 00 00                             &H......
Session Key   [0000] 63 D6 CA BC 08 C8 4A D2   45 F6 AE 35 AB 4A B3 3B   c.....J. E..5.J.;
Signing Key   [0000] 4E FE 35 92 AC 13 14 FC   C9 17 62 B1 82 20 A4 12   N.5..... ..b.. ..
App Key       [0000] A5 0F F4 8B 2F FB 0D FF   F2 BF EE 39 E6 6D F5 0A   ..../... ...9.m..
ServerIn Key  [0000] 2A 02 7E E1 D3 58 D8 12   4C 63 76 AE 59 17 5A E4   *.~..X.. Lcv.Y.Z.
ServerOut Key [0000] 59 F2 5B 7F 66 8F 31 A0   A5 E4 A8 D8 2F BA 00 38   Y.[.f.1. ..../..8

We can now simply pass -ouat:smb2_seskey_list:<sesid>,<seskey> to
wireshark or tshark:

$ tshark -ouat:smb2_seskey_list:2648BFFD00000000,63D6CABC08C84AD245F6AE35AB4AB33B \
          -Y smb2 -r capture.pcap -Tfields -e _ws.col.Info
Negotiate Protocol Response
Negotiate Protocol Request
Negotiate Protocol Response
Session Setup Request, NTLMSSP_NEGOTIATE
Session Setup Response, Error: STATUS_MORE_PROCESSING_REQUIRED, NTLMSSP_CHALLENGE
Session Setup Request, NTLMSSP_AUTH, User: WORKGROUP\aaptel
Session Setup Response
Tree Connect Request Tree: \\localhost\IPC$
Tree Connect Response
Decrypted SMB3;Ioctl Request FSCTL_DFS_GET_REFERRALS, File: \localhost\scratch
Decrypted SMB3;Ioctl Response, Error: STATUS_NOT_FOUND
Decrypted SMB3;Tree Disconnect Request
Decrypted SMB3;Tree Disconnect Response
Decrypted SMB3;Tree Connect Request Tree: \\localhost\scratch
Decrypted SMB3;Tree Connect Response
Decrypted SMB3;Tree Disconnect Request
Decrypted SMB3;Tree Disconnect Response

For more info on Wireshark decryption support see
https://wiki.samba.org/index.php/Wireshark_Decryption

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Noel Power <npower@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>

Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Sat Feb  9 21:43:25 CET 2019 on sn-devel-144
2019-02-09 21:43:25 +01:00
Douglas Bagnall
96cdacae14 s3/libsmb/py: match input argument types with C types
If PyArg_ParseTupleAndKeywords() is given, say, an "H" format (meaning
unsigned short int) but the referenced variable is a plain unsigned
int, the top 16 bits of the variable will be left undefined. In that
case we should use an "I" format (and/or initialize the variable).

In many cases the change is fairly innocuous, such as when "i" and "I"
are mixed (for signed and unsigned ints respectively), but the
resulting write is the same size and probably gives the same result in
practice.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Noel Power <npower@samba.org>
2019-02-08 13:31:38 +01:00
Noel Power
2814690d8f Cleanup (decref) some objects added to list.
PyList_Append doesn't steal references, so if the item created is
a temp object, created just to be added to the list we need to
 decref the item appended in order for it to be released.

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2019-02-07 13:44:30 +01:00
Noel Power
a8e10a1249 Decrement references to python objects passed to Py_BuildValue
Py_BuildValue when processing format 'O' will
  'Pass a Python object untouched (except for its reference count,
   which is incremented by one'

Basically this means if you are using a new reference to a PyObject
to pass to BuildValue (to be used with the 'O' format) the reference
*isn't* stolen so you really do need to DECREF it in order to ensure
it gets cleaned up.

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
2019-02-07 13:44:30 +01:00