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Commit Graph

1135 Commits

Author SHA1 Message Date
Andreas Schneider
5035f1afa9 libcli:smb2: Use constant time memcmp() to verify the signature
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-04-19 09:37:14 +02:00
Stefan Metzmacher
e31d8ded95 CVE-2015-5370: libcli/smb: use a max timeout of 1 second in tstream_smbXcli_np_destructor()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11344

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:32 +02:00
Ralph Boehme
b720575f16 CVE-2016-2115: s3:libsmb: add signing constant SMB_SIGNING_IPC_DEFAULT
SMB_SIGNING_IPC_DEFAULT must be used from s3 client code when opening
RPC connections.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11756

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2016-04-12 19:25:26 +02:00
Ralph Boehme
80adeb01fe CVE-2016-2114: libcli/smb: let mandatory signing imply allowed signing
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11687

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:26 +02:00
Stefan Metzmacher
423e95b430 CVE-2016-2111: libcli/auth: add NTLMv2_RESPONSE_verify_netlogon_creds() helper function
This is the function that prevents spoofing like
Microsoft's CVE-2015-0005.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11749

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:24 +02:00
Stefan Metzmacher
4c4829634f CVE-2016-2110: libcli/auth: pass server_timestamp to SMBNTLMv2encrypt_hash()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:23 +02:00
Stefan Metzmacher
574535c74d CVE-2016-2110: libcli/auth: add SPNEGO_REQUEST_MIC to enum spnego_negResult
This is defined in http://www.ietf.org/rfc/rfc4178.txt.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:22 +02:00
Stefan Metzmacher
001735a804 CVE-2016-2110: libcli/auth: use enum spnego_negResult instead of uint8_t
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
2016-04-12 19:25:22 +02:00
Günther Deschner
ccda60ed9b libcli:smb:smbXcli_base: add smb2cli_session_current_channel_sequence() call.
Guenther

Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-03-22 00:23:21 +01:00
Douglas Bagnall
8ca1e349eb ASN1: use a talloc context in read_contextSimple
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
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>
2016-03-09 10:32:16 +01:00
Justin Maggard
b69b96fc14 s3:smbd: rework negprot remote arch detection
Negprot remote arch detection is very cryptic.  Rework it so it's easier
to understand, and therefore more extensible, following the protocol table
in inline comments.  This also allows us to remove some hacks.

Signed-off-by: Justin Maggard <jmaggard10@gmail.com>
Reviewed-by: Ralph Boehme <rb@sernet.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-03-03 05:50:17 +01:00
Michael Adam
bebd35f439 netlogon_creds_cli: use dbwrap_purge instead of dbwrap_delete where appropriate
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2016-03-01 21:50:24 +01:00
Noel Power
c4cd56c484 libcli: Fix debug message, print sid string for new_ace trustee.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2016-02-16 00:55:23 +01:00
Michael Adam
476672b647 dlist: remove unneeded type argument from DLIST_ADD_END()
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-02-06 21:48:17 +01:00
Volker Lendecke
ceb75ad09e spnego: Some simplifications
asn1_tag_remaining already checks for has_error and only
returns positive if there is error-free space left

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
2016-02-03 15:04:11 +01:00
Volker Lendecke
7d8006f3b4 ldap: Correctly check asn1_tag_remaining retval
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
2016-02-03 15:04:11 +01:00
Ralph Boehme
f95549957e libcli/smb: add define SMB_ENCRYPTION_GSSAPI for CIFS encryption type
Add a define for the CIFS UNIX extensions encryption type. We store this
in smbXsrv_channel and use it in smbstatus for showing the
CIFS/SMB2/SMB3 encryption cipher used.

The SMB3 encryption cipher constants start at 1, carefully choosing the
highest available bit for the CIFS UNIX extensions encryption cipher
should avoid collisions and leaves room for many SMB3 ciphers in the
future.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-22 07:52:21 +01:00
Günther Deschner
cf163ac359 security: Add Asserted Identity sids (S-1-18)
Bug: https://bugzilla.samba.org/show_bug.cgi?id=11677

definitions taken from [MS-DTYP]: Windows Data Types,
2.4.2.4 Well-Known SID Structures.

Guenther

Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-15 22:19:07 +01:00
Jelmer Vernooij
da8674c72a Rename 'errors' to 'samba-errors' and make it public.
This is necessary because it has public headers.

Signed-off-by: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date(master): Wed Jan 13 07:47:04 CET 2016 on sn-devel-144
2016-01-13 07:47:04 +01:00
Jelmer Vernooij
218f96f2bf libcli: Make headers for private libraries private.
Signed-off-by: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
2016-01-13 04:43:23 +01:00
Jelmer Vernooij
ffbd9c4584 Add a new header file for functions in lib/util/util.c.
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>
2016-01-13 04:43:23 +01:00
Jelmer Vernooij
773cfba9af Avoid including libds/common/roles.h in public loadparm.h header.
Signed-Off-By: Jelmer Vernooij <jelmer@samba.org>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
2016-01-13 04:43:23 +01:00
Jelmer Vernooij
fddca39f19 samdb: Add explicit dependency on ldb.
This is needed to pull in the right -I flags.

Signed-Off-By: Jelmer Vernooij <jelmer@samba.org>
2016-01-13 04:43:22 +01:00
Volker Lendecke
3c340d81d8 libcli: Remove a reference to asn1->ofs
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
b7f0e29fd2 lib: Use asn1_current_ofs()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
1282f6063d lib: Use asn1_has_nesting
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
a93946b2fe lib: Use asn1_extract_blob()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
8cfb6a3139 lib: Use asn1_set_error()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
57a0bc9a9f lib: Use asn1_has_error()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:18 +01:00
Volker Lendecke
ad630a681e asn1: Make asn1_peek_full_tag return 0/errno
We don't need the full power of NTSTATUS here. This was the only
NTSTATUS in asn1.h, so I think it's worth removing it.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-01-06 00:54:17 +01:00
Stefan Metzmacher
bc2d8592f4 CVE-2015-5296: libcli/smb: make sure we require signing when we demand encryption on a session
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11536

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-16 12:56:48 +01:00
Volker Lendecke
ea6de66b9c libdns: Small cleanup
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-08 23:01:28 +01:00
Volker Lendecke
dfceb51da8 libdns: Convert dns_udp_request to 0/errno
Replaces 5 calls to unix_to_werror with just one

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-08 23:01:27 +01:00
Volker Lendecke
190e2c013b libdns: Properly set ENOMEM
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-08 23:01:27 +01:00
Volker Lendecke
a0fcb7bd80 libdns: tsocket returns -1 and sets errno
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-08 23:01:27 +01:00
Stefan Metzmacher
3bbd8d3614 libcli/smb: fix BUFFER_OVERFLOW handling in tstream_smbXcli_np
The special error is not NT_STATUS_BUFFER_TOO_SMALL, but STATUS_BUFFER_OVERFLOW.

Tested using TSTREAM_SMBXCLI_NP_MAX_BUF_SIZE == 20 and running
the following commands against a Windows 2012R2 server:

bin/smbtorture ncacn_np:SERVER[] rpc.lsa-getuser
bin/smbtorture ncacn_np:SERVER[smb2] rpc.lsa-getuser

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11623

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 Dec  1 03:42:52 CET 2015 on sn-devel-104
2015-12-01 03:42:51 +01:00
Stefan Metzmacher
0e8d33fb5f libcli/smb: correctly handle STATUS_BUFFER_OVERFLOW in smb1cli_readx*
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11623

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 00:38:23 +01:00
Stefan Metzmacher
68850f3f56 libcli/smb: correctly handle STATUS_BUFFER_OVERFLOW in smb2cli_query_info*
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11623

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 00:38:23 +01:00
Stefan Metzmacher
b47bfce678 libcli/smb: correctly handle STATUS_BUFFER_OVERFLOW in smb2cli_read*
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11623

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 00:38:23 +01:00
Stefan Metzmacher
91e12e04fc libcli/smb: make sure we have a body size of 0x31 before dereferencing an ioctl response
Found by valgrind, reported by Noel Power <nopower@suse.com>:

==7913== Invalid read of size 1
==7913==    at 0xC4F23EE: smb2cli_ioctl_done (smb2cli_ioctl.c:245)
==7913==    by 0x747A744: _tevent_req_notify_callback (tevent_req.c:112)
==7913==    by 0x747A817: tevent_req_finish (tevent_req.c:149)
==7913==    by 0x747A93C: tevent_req_trigger (tevent_req.c:206)
==7913==    by 0x7479B2B: tevent_common_loop_immediate
(tevent_immediate.c:135)
==7913==    by 0xA9CB4BE: run_events_poll (events.c:192)
==7913==    by 0xA9CBB32: s3_event_loop_once (events.c:303)
==7913==    by 0x7478C72: _tevent_loop_once (tevent.c:533)
==7913==    by 0x747AACD: tevent_req_poll (tevent_req.c:256)
==7913==    by 0x505315D: tevent_req_poll_ntstatus (tevent_ntstatus.c:109)
==7913==    by 0xA7201F2: cli_tree_connect (cliconnect.c:2764)
==7913==    by 0x165FF7: cm_prepare_connection (winbindd_cm.c:1276)
==7913==  Address 0x16ce24ec is 764 bytes inside a block of size 813 alloc'd
==7913==    at 0x4C29110: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==7913==    by 0x768A0C1: __talloc_with_prefix (talloc.c:668)
==7913==    by 0x768A27E: _talloc_pool (talloc.c:721)
==7913==    by 0x768A41E: _talloc_pooled_object (talloc.c:790)
==7913==    by 0x747A594: _tevent_req_create (tevent_req.c:66)
==7913==    by 0xCF6E2FA: read_packet_send (async_sock.c:414)
==7913==    by 0xCF6EB54: read_smb_send (read_smb.c:54)
==7913==    by 0xC4DA146: smbXcli_conn_receive_next (smbXcli_base.c:1027)
==7913==    by 0xC4DA02D: smbXcli_req_set_pending (smbXcli_base.c:978)
==7913==    by 0xC4DF776: smb2cli_req_compound_submit (smbXcli_base.c:3166)
==7913==    by 0xC4DFC1D: smb2cli_req_send (smbXcli_base.c:3268)
==7913==    by 0xC4F2210: smb2cli_ioctl_send (smb2cli_ioctl.c:149)
==7913==

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11622

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 00:38:23 +01:00
Christof Schmitt
fd05d617a8 libcli/smb: Use helper function for finding session
This removes some duplicated code.

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Nov 18 04:04:17 CET 2015 on sn-devel-104
2015-11-18 04:04:15 +01:00
Andrew Bartlett
4b25650577 repl: Give an error if we get a secret when not expecting one
We should never get a secret from a server when we specify DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING

This asserts that this is the case.

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2015-10-26 05:11:21 +01:00
Jeremy Allison
b1bd84e9c9 lib: cli: Add accessor function smb2cli_tcon_flags() to get tcon flags.
We need this to see if a share supports access-based enumeration.

https://bugzilla.samba.org/show_bug.cgi?id=10252

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2015-10-14 15:58:19 +02:00
Volker Lendecke
8eedd5c48b libdap: Fix a '\0' vs NULL mixup
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-10-14 02:19:14 +02:00
Richard Sharpe
9893888c51 Change the libreadline word-break character set to only space, TAB and NL so that we can attempt to do tab completion across backslashes.
This turned out to be all that was needed to enable cd to handle multiple
directory levels.

Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Oct  7 04:16:24 CEST 2015 on sn-devel-104
2015-10-07 04:16:24 +02:00
Volker Lendecke
de421d8826 lib: Remove unused sid_blob_parse
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-08-26 21:41:12 +02:00
Volker Lendecke
4a442e2eb7 lib: Make sid_parse take a uint8_t
sid_parse takes a binary blob, uint8_t reflects this a bit
better than char * does

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-08-26 21:41:12 +02:00
Volker Lendecke
796c77d43d lib: Use dom_sid_equal where appropriate
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>
2015-08-20 12:49:22 +02:00
Stefan Metzmacher
05dbd3b47a libcli/smb: prefer AES128_CCM
Callgrind showed that we use 28,165,720,719 cpu cycles to send
a 100MB file to a client using aes-ccm.

With aes-gcm this is raises up to 723,094,413,831 cpu cycles.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11451

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2015-08-17 17:43:36 +02:00
Volker Lendecke
e6c8452093 libcli: Use iov_buflen in smb2_signing.c
This gives us overflow protection.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Aug 14 13:56:49 CEST 2015 on sn-devel-104
2015-08-14 13:56:49 +02:00