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mirror of https://github.com/samba-team/samba.git synced 2025-02-04 17:47:26 +03:00

58284 Commits

Author SHA1 Message Date
Volker Lendecke
69f2352c49 mdssvc: Align an integer type
In libjansson 2.13.1 json_array_size() returns a size_t

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-02-01 19:09:34 +00:00
Jeremy Allison
2b2b41c868 s3: smbd: Add two new functions in a new file, smb2_posix.c: smb2_posix_cc_info(), store_smb2_posix_info()
Not yet used.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Feb  1 17:25:45 UTC 2022 on sn-devel-184
2022-02-01 17:25:45 +00:00
Jeremy Allison
85c6711104 s3: smbd: smbd_smb2_request_process_negprot() - Allow SMB2 unix extensions to be negotiated. Currently not allowed.
As lp_smb2_unix_extensions() currently always returns false,
this code path cannot be executed. This will change once the
whole client and server fixes are in place and tests are passing.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
f68fffa85d s3: smbd: Plumb in POSIX lock requests through SMB2 lock calls if done on a POSIX handle. Currently not allowed.
Note there is currently no way to create a POSIX file
handle in SMB2 so this code can't be accessed.

This will remain so until client and server code are ready to
turn on SMB2 POSIX extensions and the tests are in place.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
fadb2d60ae s3: smbd: Update widelinks_warning() to cope with SMB1 and SMB2 unix extensions.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
7a5fea262f s3: smbd: lp_widelinks(). Turn off widelinks if either SMB1 or SMB2 unix extensions are turned on.
NB. Currently it's impossible to turn on SMB2 unix extensions.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
955f08866d s3: smbd: Add lp_smb2_unix_extensions() function. Always returns false for now.
For now *always* returns false. This allows me to
add code into smbd contingent on lp_smb2_unix_extensions()
which I know will not be executed until all the parts
are in place. Then the real parameter can be added
(default to off) and testing added.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
0711040dd5 s3: smbd: Add the definition for SMB2_FILE_POSIX_INFORMATION info level.
Will be used by smb2_getinfo. Not yet used or available.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
e9ad189694 s3: smbd: Add an SMB2 server flag posix_extensions_negotiated.
This allows the server to only enable smb2 unix open handles if
the smb.conf parameter is set and the client client correctly
negotiated smb2 unix on the connection.

Currently there is no "smb2 unix extensions" parameter so
this can never be set to true.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-02-01 16:30:37 +00:00
Jeremy Allison
e4e5539e40 CVE-2021-44141: s3: smbd: Inside rename_internals_fsp(), we must use vfs_stat() for existence, not SMB_VFS_STAT().
We need to take SMB1+POSIX into account here and do an LSTAT if it's
a POSIX name.

Remove knownfail.d/posix_sylink_rename

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Jan 31 16:26:26 UTC 2022 on sn-devel-184
2022-01-31 16:26:26 +00:00
Jeremy Allison
a44435c6e7 CVE-2021-44141: s3: torture: Add a test samba3.blackbox.test_symlink_rename.SMB1.posix that shows we still leak target info across a SMB1+POSIX rename.
Add a knownfail.d/posix_sylink_rename

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
be13892020 CVE-2021-44141: s3: smbd: Fix a subtle bug in the error returns from filename_convert().
If filename_convert() fails to convert the path, we never call
check_name(). This means we can return an incorrect error code
(NT_STATUS_ACCESS_DENIED) if we ran into a symlink that points
outside the share to a non-readable directory. We need to make
sure in this case we always call check_name().

Remove knownfail.d/symlink_traversal.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
43455edd29 CVE-2021-44141: s3: smbd: Inside check_reduced_name() ensure we return the correct error codes when failing symlinks.
NT_STATUS_OBJECT_PATH_NOT_FOUND for a path component failure.
NT_STATUS_OBJECT_NAME_NOT_FOUND for a terminal component failure.

Remove:

	samba3.blackbox.test_symlink_traversal.SMB1.posix
	samba3.blackbox.smbclient_s3.*.Ensure\ widelinks\ are\ restricted\(.*\)
	samba3.blackbox.smbclient_s3.*.follow\ symlinks\ \=\ no\(.*\)

in knownfail.d/symlink_traversal as we now pass these. Only one more fix
remaining to get rid of knownfail.d/symlink_traversal completely.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
458c7555a9 CVE-2021-44141: s3: smbd: For SMB1+POSIX clients trying to open a symlink, always return NT_STATUS_OBJECT_NAME_NOT_FOUND.
Matches the error return from openat_pathref_fsp().

NT_STATUS_OBJECT_PATH_NOT_FOUND is for a bad component in a path, not
a bad terminal symlink.

Remove knownfail.d/simple_posix_open, we now pass.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
f5b28d8aa3 CVE-2021-44141: s3: torture: Change expected error return for samba3.smbtorture_s3.plain.POSIX.smbtorture.
Trying to open a symlink as a terminal component should return
NT_STATUS_OBJECT_NAME_NOT_FOUND, not NT_STATUS_OBJECT_PATH_NOT_FOUND.

Mark as knownfail.d/simple_posix_open until we fix the server.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
3e9f6d704d CVE-2021-44141: s3: torture: In test_smbclient_s3, change the error codes expected for test_widelinks() and test_nosymlinks() from ACCESS_DENIED to NT_STATUS_OBJECT_NAME_NOT_FOUND.
For SMB1/2/3 (minus posix) we need to treat bad symlinks
as though they don't exist.

Add to knwownfail.d/symlink_traversal

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
4e75e24baa CVE-2021-44141: s3: torture: Add samba3.blackbox.test_symlink_traversal.SMB1.posix
Add to knownfail.d/symlink_traversal.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
3bc85d615e CVE-2021-44141: s3: torture: Add samba3.blackbox.test_symlink_traversal.SMB1.
Add to knownfail.d/symlink_traversal.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Jeremy Allison
1f7e870dda CVE-2021-44141: s3: torture: Add samba3.blackbox.test_symlink_traversal.SMB2.
Add to knownfail.d/symlink_traversal

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14911

Signed-off-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
751d769664 CVE-2021-44142: libadouble: harden parsing code
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14914

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
eb08793402 CVE-2021-44142: libadouble: add basic cmocka tests
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14914

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
c61a06503e CVE-2021-44142: libadouble: harden ad_unpack_xattrs()
This ensures ad_unpack_xattrs() is only called for an ad_type of ADOUBLE_RSRC,
which is used for parsing ._ AppleDouble sidecar files, and the buffer
ad->ad_data is AD_XATTR_MAX_HDR_SIZE bytes large which is a prerequisite for all
buffer out-of-bounds access checks in ad_unpack_xattrs().

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14914

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
96083abc0c CVE-2021-44142: smbd: add Netatalk xattr used by vfs_fruit to the list of private Samba xattrs
This is an internal xattr that should not be user visible.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14914

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
a9211cfe6e CVE-2021-44142: libadouble: add defines for icon lengths
From https://www.ietf.org/rfc/rfc1740.txt

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14914

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-31 15:27:37 +00:00
Ralph Boehme
0eecfddd07 s3/rpc_server: install elasticsearch_mappings.json
This was removed accidentally remvoed by
a7c65958a15149918415b7456d6f20ee8c9669d2 because the original code
only installed the json file if the mdssvc was built as module:

     if bld.SAMBA3_IS_ENABLED_MODULE('rpc_mdssvc_module'):
         bld.INSTALL_FILES(bld.env.SAMBA_DATADIR,
                           'mdssvc/elasticsearch_mappings.json')

Installing the json file should just depend on Elasticsearch support
being enabled, regardless of the removed module support.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14961

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Noel Power <npower@samba.org>

Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Fri Jan 28 10:22:31 UTC 2022 on sn-devel-184
2022-01-28 10:22:31 +00:00
FeRD (Frank Dana)
36c861e25b printing/bgqd: Disable systemd notifications
samba-bgqd daemon is started by existing Samba daemons. When running
under systemd, those daemons control systemd notifications and
samba-bgqd messages need to be silenced.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14947

Signed-off-by: FeRD (Frank Dana) <ferdnyc@gmail.com>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Alexander Bokovoy <ab@samba.org>
Autobuild-Date(master): Thu Jan 27 10:53:50 UTC 2022 on sn-devel-184
2022-01-27 10:53:50 +00:00
Douglas Bagnall
891201f154 s3/torture/pdbtest: fix always false condition
BUG: https://bugzilla.samba.org/show_bug.cgi?id=9320

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Volker Lendecke <vl@samba.org>
2022-01-26 11:44:32 +00:00
Jeremy Allison
d85461c4f5 s3: smbd: Rename "unix extensions" -> "smb1 unix extensions".
Make 'unix extensions' a synonym for "smb1 unix extensions".

This will allow us to have a separate "smb2 unix extensions"
parameter that we can examine separately.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jan 25 21:43:59 UTC 2022 on sn-devel-184
2022-01-25 21:43:59 +00:00
Jeremy Allison
1224d463e8 s3: smbd: Cleanup - In smbd_do_query_security_desc() we don't need a talloc frame.
Just free the marshalled sd before returning.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
2022-01-25 20:51:36 +00:00
Jeremy Allison
65774b5176 s3: smbd: Cleanup - Split out smbd_marshall_security_desc() from smbd_do_query_security_desc().
This is part two of a cleanup to split this up into a fetch()/marshal()
pair. Allows easy modification of the sd before returning if we need
to add the SMB2+unix mode information here on a SMB2 posix handle.

Also makes the code much clearer.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
2022-01-25 20:51:36 +00:00
Jeremy Allison
62bd38f788 s3: smbd: Cleanup - Split out smbd_fetch_security_desc() from smbd_do_query_security_desc().
This is part one of a cleanup to split this up into a fetch()/marshal()
pair. Allows easy modification of the sd before returning if we need
to add the SMB2+unix mode information here on a SMB2 posix handle.

Also makes the code much clearer.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
2022-01-25 20:51:36 +00:00
Stefan Metzmacher
9110a8854a blackbox.ndrdump: adjust example files to changed dump_data() output.
The cleanup using dump_data_block16() fixed the space handling.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14956

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-01-24 15:25:36 +00:00
Stefan Metzmacher
0651fa474c dcesrv_core: wrap gensec_*() calls in [un]become_root() calls
This is important for the source3/rpc_server code as it might
be called embedded in smbd and may not run as root with access
to our private tdb/ldb files.

Note this is only really needed for 4.15 and older, as
we no longer run the rpc_server embedded in smbd,
but we better be consistent for now.

This should be able to fix the problem the printing no longer works
on Windows 7 with 2021-10 monthly rollup patch (KB5006743).

Windows uses NTLMSSP with privacy at the DCERPC layer on top
of NCACN_NP (smb).

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14867

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-01-24 15:25:36 +00:00
Pavel Filipenský
fa5413b63c s3:libnet: Do not set ADS_AUTH_ALLOW_NTLMSSP in FIPS mode
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Sat Jan 22 00:27:52 UTC 2022 on sn-devel-184
2022-01-22 00:27:52 +00:00
Pavel Filipenský
f03abaec2a s3:winbindd: Do not set ADS_AUTH_ALLOW_NTLMSSP in FIPS mode
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
fcf225a356 s3:winbindd: Remove trailing spaces from winbindd_ads.c
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
17ea2ccdab s3:libads: Disable NTLMSSP if not allowed (for builds without kerberos)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
5f6251abf2 s3:libads: Improve debug messages for SASL bind
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
7785eb9b78 s3:libads: Disable NTLMSSP for FIPS
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
49d18f2d6e s3:libads: Remove trailing spaces from sasl.c
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Pavel Filipenský
afcdb09076 s3:utils: set ads->auth.flags using krb5_state
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14955

Pair-Programmed-With: Andreas Schneider <asn@samba.org>

Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-21 23:33:36 +00:00
Volker Lendecke
ec6d28e729 smbd: Remove a duplicate protoype
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 Jan 18 21:17:43 UTC 2022 on sn-devel-184
2022-01-18 21:17:43 +00:00
Volker Lendecke
12ca34115e lib: Remove unused asprintf_strupper_m()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
6bcdd3460a winbindd: Replace asprintf() with talloc_asprintf()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
3b6b12a19f libads: Convert sitename_key() to talloc
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
84e5376938 net: Align a few integer types
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
ac12207e15 libsmb: Avoid a cast
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
4d5c1509be smbd: Align a few integer types
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
232a1fa46a smbd: Fix a typo
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00
Volker Lendecke
a7fe22fd7f torture3: Align two integer types
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2022-01-18 20:22:38 +00:00