[SCM] Samba Shared Repository - branch v4-4-test updated
Karolin Seeger
kseeger at samba.org
Wed Feb 1 15:28:02 UTC 2017
The branch, v4-4-test has been updated
via 946a4de vfs_fruit: checks wrong AAPL config state and so always uses readdirattr
via 0c0b893 selftest/Samba3: use "server min protocol = SMB3_00" for "ktest"
via 36e2d39 s3:smbd: allow "server min protocol = SMB3_00" to go via "SMB 2.???" negprot
via 6bf5ed9 selftest: add test for global "smb encrypt=off"
via caab54e selftest: disable SMB encryption in simpleserver environment
via 22d5d32 docs: impact of a global "smb encrypt=off" on a share with "smb encrypt=required"
via ce51a27 s3/smbd: ensure global "smb encrypt = off" is effective for share with "smb encrypt = desired"
via 3805e2f s3/smbd: ensure global "smb encrypt = off" is effective for SMB 3.1.1 clients
via 080ce6e s3/smbd: ensure global "smb encrypt = off" is effective for SMB 1 clients
from efd9c8a Merge tag 'samba-4.4.9' into v4-4-test
https://git.samba.org/?p=samba.git;a=shortlog;h=v4-4-test
- Log -----------------------------------------------------------------
commit 946a4dec22c41ded23d80bb541fd88e1a7a94984
Author: Ralph Boehme <slow at samba.org>
Date: Thu Jan 26 11:49:55 2017 +0100
vfs_fruit: checks wrong AAPL config state and so always uses readdirattr
readdirattr should only be enabled if the client enables it via AAPL
negotitiation, not for all clients when vfs_fruit is loaded.
Unfortunately the check in fruit_readdir_attr() is
if (!config->use_aapl) {
return SMB_VFS_NEXT_READDIR_ATTR(handle, fname, mem_ctx, pattr_data);
}
This uses the wrong config state "use_aapl" which is always true by
default (config option "fruit:aapl").
We must use "nego_aapl" instead which is only true if the client
really negotiated this feature.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12541
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
Autobuild-User(master): Jeremy Allison <jra at samba.org>
Autobuild-Date(master): Sat Jan 28 01:49:11 CET 2017 on sn-devel-144
(cherry picked from commit 9a3b64a24cc21124485b423c9b70b67ff5a96f10)
Autobuild-User(v4-4-test): Karolin Seeger <kseeger at samba.org>
Autobuild-Date(v4-4-test): Wed Feb 1 16:27:14 CET 2017 on sn-devel-144
commit 0c0b8937b2b304731e9ac71f7ccf017bec85a590
Author: Stefan Metzmacher <metze at samba.org>
Date: Wed Jan 25 21:15:44 2017 +0100
selftest/Samba3: use "server min protocol = SMB3_00" for "ktest"
This verifies that clients can still connect with that setting.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12540
Signed-off-by: Stefan Metzmacher <metze at samba.org>
Reviewed-by: Andreas Schneider <asn at samba.org>
Reviewed-by: Ralph Boehme <slow at samba.org>
Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
Autobuild-Date(master): Fri Jan 27 12:03:39 CET 2017 on sn-devel-144
(cherry picked from commit 348bcca76855798d60c04ddb30f1e13b2ac2d7cd)
commit 36e2d3905d895abb75a46836f58f23fffb9aac50
Author: Stefan Metzmacher <metze at samba.org>
Date: Wed Jan 18 08:37:30 2017 +0100
s3:smbd: allow "server min protocol = SMB3_00" to go via "SMB 2.???" negprot
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12540
Signed-off-by: Stefan Metzmacher <metze at samba.org>
Reviewed-by: Andreas Schneider <asn at samba.org>
Reviewed-by: Ralph Boehme <slow at samba.org>
(cherry picked from commit c207f2a989fc791b5f9bf9043d3c6ac31db5cdfd)
commit 6bf5ed9e39981d26ef22ecdb63ca9289f990903a
Author: Ralph Boehme <slow at samba.org>
Date: Wed Jan 18 16:23:40 2017 +0100
selftest: add test for global "smb encrypt=off"
Test various combinations of having encryption globally turned off and
enabled (desired/required) on a share, with SMB1 UNIX Extensions and SMB3.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit 21d030e5bdf7dc6ef8d5f4e70bed7e70b731cd15)
commit caab54e5c42a60a9ef395c0721271e706e7864b6
Author: Ralph Boehme <slow at samba.org>
Date: Tue Jan 17 17:23:51 2017 +0100
selftest: disable SMB encryption in simpleserver environment
Encryption is currently not tested in this env so we can safely turn it
off. The next commit will add a blackbox tests that test combinations of
having encryption globally turned off and enabled (desired/required) on
a share.
This also adds a new share "enc_desired" with "smb encrypt = desired"
which will be used by the test in the next commit.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit 573e8e15b3ed27d6b593e635e9c24eea3fdf4fb9)
commit 22d5d3241de4559c4101381f9f1345612aab25d8
Author: Ralph Boehme <slow at samba.org>
Date: Mon Jan 16 15:45:32 2017 +0100
docs: impact of a global "smb encrypt=off" on a share with "smb encrypt=required"
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit f8d937b331ac985264c76d76b447683fc494d38a)
commit ce51a27da3b14bfdbd5e7ff1ddc6cee224cf3b02
Author: Ralph Boehme <slow at samba.org>
Date: Mon Jan 16 12:56:10 2017 +0100
s3/smbd: ensure global "smb encrypt = off" is effective for share with "smb encrypt = desired"
If encryption is disabled globally, per definition we shouldn't allow
enabling encryption on individual shares.
The behaviour of specifying
[Global]
smb encrypt = off
[share]
smb encrypt = desired
must be an unecrypted tree connect to the share "share".
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit b0b418c22558fa1df547df9bdac2642343ac39e1)
commit 3805e2ff50c2cc5981ee291f4e6cc8ddc6469ba2
Author: Ralph Boehme <slow at samba.org>
Date: Thu Jan 5 12:14:35 2017 +0100
s3/smbd: ensure global "smb encrypt = off" is effective for SMB 3.1.1 clients
If encryption is disabled globally, per definition we shouldn't allow
enabling encryption on individual shares.
The behaviour of setting
[Global]
smb encrypt = off
[share]
smb encrypt = required
must be to completely deny access to the share "share".
This was working correctly for clients when using SMB 3 dialects <
3.1.1, but not for 3.1.1 with a negprot encryption context.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit 6ae63d42f5aacddf5b7b6dbdfbe620344989e4e5)
commit 080ce6e3fc243c98b386dfe7d5ff7e9b12814fc5
Author: Ralph Boehme <slow at samba.org>
Date: Wed Jan 18 16:19:15 2017 +0100
s3/smbd: ensure global "smb encrypt = off" is effective for SMB 1 clients
If encryption is disabled globally, per definition we shouldn't allow
enabling encryption on individual shares.
The behaviour of setting
[Global]
smb encrypt = off
[share_required]
smb encrypt = required
[share_desired]
smb encrypt = desired
must be to completely deny access to the share "share_required" and an
unencrypted connection to "share_desired".
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12520
Signed-off-by: Ralph Boehme <slow at samba.org>
Reviewed-by: Jeremy Allison <jra at samba.org>
(cherry picked from commit 43a90cee46bb7a70f7973c4fc51eee7634e43145)
-----------------------------------------------------------------------
Summary of changes:
docs-xml/smbdotconf/security/smbencrypt.xml | 6 +-
selftest/target/Samba3.pm | 8 +++
source3/modules/vfs_fruit.c | 2 +-
.../script/tests/test_smbclient_encryption_off.sh | 65 ++++++++++++++++++++++
source3/selftest/tests.py | 11 +++-
source3/smbd/negprot.c | 23 +++++++-
source3/smbd/service.c | 12 ++++
source3/smbd/smb2_negprot.c | 2 +-
source3/smbd/smb2_tcon.c | 3 +-
9 files changed, 125 insertions(+), 7 deletions(-)
create mode 100755 source3/script/tests/test_smbclient_encryption_off.sh
Changeset truncated at 500 lines:
diff --git a/docs-xml/smbdotconf/security/smbencrypt.xml b/docs-xml/smbdotconf/security/smbencrypt.xml
index 0f08966..32a22cb 100644
--- a/docs-xml/smbdotconf/security/smbencrypt.xml
+++ b/docs-xml/smbdotconf/security/smbencrypt.xml
@@ -180,7 +180,11 @@
<listitem>
<para>
Setting it to <emphasis>off</emphasis> globally will
- completely disable the encryption feature.
+ completely disable the encryption feature for all
+ connections. Setting <parameter>smb encrypt =
+ required</parameter> for individual shares (while it's
+ globally off) will deny access to this shares for all
+ clients.
</para>
</listitem>
diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm
index 5e62cf1..4596a0a 100755
--- a/selftest/target/Samba3.pm
+++ b/selftest/target/Samba3.pm
@@ -547,6 +547,7 @@ sub setup_simpleserver($$)
lanman auth = yes
vfs objects = xattr_tdb streams_depot
change notify = no
+ smb encrypt = off
[vfs_aio_fork]
path = $prefix_abs/share
@@ -560,6 +561,11 @@ sub setup_simpleserver($$)
store dos attributes = yes
hide files = /hidefile/
hide dot files = yes
+
+[enc_desired]
+ path = $prefix_abs/share
+ vfs objects =
+ smb encrypt = desired
";
my $vars = $self->provision($path,
@@ -742,6 +748,8 @@ sub setup_ktest($$$)
security = ads
username map = $prefix/lib/username.map
server signing = required
+ server min protocol = SMB3_00
+ client max protocol = SMB3
";
my $ret = $self->provision($prefix,
diff --git a/source3/modules/vfs_fruit.c b/source3/modules/vfs_fruit.c
index 89e9412..ecd150e 100644
--- a/source3/modules/vfs_fruit.c
+++ b/source3/modules/vfs_fruit.c
@@ -3496,7 +3496,7 @@ static NTSTATUS fruit_readdir_attr(struct vfs_handle_struct *handle,
struct fruit_config_data,
return NT_STATUS_UNSUCCESSFUL);
- if (!config->use_aapl) {
+ if (!config->nego_aapl) {
return SMB_VFS_NEXT_READDIR_ATTR(handle, fname, mem_ctx, pattr_data);
}
diff --git a/source3/script/tests/test_smbclient_encryption_off.sh b/source3/script/tests/test_smbclient_encryption_off.sh
new file mode 100755
index 0000000..467a4ee
--- /dev/null
+++ b/source3/script/tests/test_smbclient_encryption_off.sh
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+if [ $# -lt 4 ]; then
+cat <<EOF
+Usage: test_smbclient_encryption_off.sh USERNAME PASSWORD SERVER SMBCLIENT
+EOF
+exit 1;
+fi
+
+USERNAME="$1"
+PASSWORD="$2"
+SERVER="$3"
+SMBCLIENT="$VALGRIND $4"
+
+incdir=`dirname $0`/../../../testprogs/blackbox
+. $incdir/subunit.sh
+
+failed=0
+
+#
+# Let me introduce you to the shares used in this test:
+#
+# "tmp" has the default "smb encrypt" (which is "enabled")
+# "tmpenc" has "smb encrypt = required"
+# "enc_desired" has "smb encrypt = desired"
+#
+
+# Unencrypted connections should work of course, let's test em to be sure...
+
+# SMB1
+testit "smbclient //$SERVER/enc_desired" $SMBCLIENT -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit || failed=`expr $failed + 1`
+testit "smbclient //$SERVER/tmp" $SMBCLIENT -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit || failed=`expr $failed + 1`
+# SMB3_02
+testit "smbclient -m smb3_02 //$SERVER/enc_desired" $SMBCLIENT -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit || failed=`expr $failed + 1`
+testit "smbclient -m smb3_02 //$SERVER/tmp" $SMBCLIENT -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit || failed=`expr $failed + 1`
+# SMB3_11
+testit "smbclient -m smb3_11 //$SERVER/enc_desired" $SMBCLIENT -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit || failed=`expr $failed + 1`
+testit "smbclient -m smb3_11 //$SERVER/tmp" $SMBCLIENT -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit || failed=`expr $failed + 1`
+
+# These tests must fail, as encryption is globally off and in combination with "smb
+# encrypt=required" on the share "tmpenc" the server *must* reject the tcon.
+
+# SMB1
+testit_expect_failure "smbclient //$SERVER/tmpenc" $SMBCLIENT -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e //$SERVER/tmpenc" $SMBCLIENT -e -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+# SMB3_02
+testit_expect_failure "smbclient -m smb3_02 //$SERVER/tmpenc" $SMBCLIENT -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e -m smb3_02 //$SERVER/tmpenc" $SMBCLIENT -e -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+# SMB3_11
+testit_expect_failure "smbclient -m smb3_11 //$SERVER/tmpenc" $SMBCLIENT -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e -m smb3_11 //$SERVER/tmpenc" $SMBCLIENT -e -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/tmpenc -c quit && failed=`expr $failed + 1`
+
+# These tests must fail, as the client requires encryption and it's off on the server
+
+# SMB1
+testit_expect_failure "smbclient -e //$SERVER/enc_desired" $SMBCLIENT -e -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e //$SERVER/tmp" $SMBCLIENT -e -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit && failed=`expr $failed + 1`
+# SMB3_02
+testit_expect_failure "smbclient -e -m smb3_02 //$SERVER/enc_desired" $SMBCLIENT -e -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e -m smb3_02 //$SERVER/tmp" $SMBCLIENT -e -m smb3_02 -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit && failed=`expr $failed + 1`
+# SMB3_11
+testit_expect_failure "smbclient -e -m smb3_11 //$SERVER/enc_desired" $SMBCLIENT -e -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/enc_desired -c quit && failed=`expr $failed + 1`
+testit_expect_failure "smbclient -e -m smb3_11 //$SERVER/tmp" $SMBCLIENT -e -m smb3_11 -U $USERNAME%$PASSWORD //$SERVER/tmp -c quit && failed=`expr $failed + 1`
+
+testok $0 $failed
diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py
index e389fae..ae0d955 100755
--- a/source3/selftest/tests.py
+++ b/source3/selftest/tests.py
@@ -431,8 +431,12 @@ for s in signseal_options:
# We should try more combinations in future, but this is all
# the pre-calculated credentials cache supports at the moment
+ #
+ # As the ktest env requires SMB3_00 we need to use "smb2" until
+ # dcerpc client code in smbtorture support autonegotiation
+ # of any smb dialect.
e = ""
- a = ""
+ a = "smb2"
binding_string = "ncacn_np:$SERVER[%s%s%s]" % (a, s, e)
options = binding_string + " -k yes --krb5-ccache=$PREFIX/ktest/krb5_ccache-2"
plansmbtorture4testsuite(test, "ktest", options, 'krb5 with old ccache ncacn_np with [%s%s%s] ' % (a, s, e))
@@ -472,6 +476,11 @@ plantestsuite("samba3.blackbox.rpcclient.pw-nt-hash", "simpleserver",
"$USERNAME", "$PASSWORD", "$SERVER",
os.path.join(bindir(), "rpcclient")])
+plantestsuite("samba3.blackbox.smbclient.encryption_off", "simpleserver",
+ [os.path.join(samba3srcdir, "script/tests/test_smbclient_encryption_off.sh"),
+ "$USERNAME", "$PASSWORD", "$SERVER",
+ smbclient3])
+
options_list = ["", "-e"]
for options in options_list:
plantestsuite("samba3.blackbox.smbclient_krb5 old ccache %s" % options, "ktest:local",
diff --git a/source3/smbd/negprot.c b/source3/smbd/negprot.c
index d2e5e2e..793306a 100644
--- a/source3/smbd/negprot.c
+++ b/source3/smbd/negprot.c
@@ -544,6 +544,8 @@ void reply_negprot(struct smb_request *req)
struct smbXsrv_connection *xconn = req->xconn;
struct smbd_server_connection *sconn = req->sconn;
bool signing_required = true;
+ int max_proto;
+ int min_proto;
START_PROFILE(SMBnegprot);
@@ -688,11 +690,28 @@ void reply_negprot(struct smb_request *req)
FLAG_MSG_GENERAL|FLAG_MSG_SMBD
|FLAG_MSG_PRINT_GENERAL);
+ /*
+ * Anything higher than PROTOCOL_SMB2_10 still
+ * needs to go via "SMB 2.???", which is marked
+ * as PROTOCOL_SMB2_10.
+ *
+ * The real negotiation happens via reply_smb20ff()
+ * using SMB2 Negotiation.
+ */
+ max_proto = lp_server_max_protocol();
+ if (max_proto > PROTOCOL_SMB2_10) {
+ max_proto = PROTOCOL_SMB2_10;
+ }
+ min_proto = lp_server_min_protocol();
+ if (min_proto > PROTOCOL_SMB2_10) {
+ min_proto = PROTOCOL_SMB2_10;
+ }
+
/* Check for protocols, most desirable first */
for (protocol = 0; supported_protocols[protocol].proto_name; protocol++) {
i = 0;
- if ((supported_protocols[protocol].protocol_level <= lp_server_max_protocol()) &&
- (supported_protocols[protocol].protocol_level >= lp_server_min_protocol()))
+ if ((supported_protocols[protocol].protocol_level <= max_proto) &&
+ (supported_protocols[protocol].protocol_level >= min_proto))
while (i < num_cliprotos) {
if (strequal(cliprotos[i],supported_protocols[protocol].proto_name)) {
choice = i;
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 0c70250..8c6d140 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -584,6 +584,18 @@ static NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
conn->short_case_preserve = lp_short_preserve_case(snum);
conn->encrypt_level = lp_smb_encrypt(snum);
+ if (conn->encrypt_level > SMB_SIGNING_OFF) {
+ if (lp_smb_encrypt(-1) == SMB_SIGNING_OFF) {
+ if (conn->encrypt_level == SMB_SIGNING_REQUIRED) {
+ DBG_ERR("Service [%s] requires encryption, but "
+ "it is disabled globally!\n",
+ lp_servicename(talloc_tos(), snum));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto err_root_exit;
+ }
+ conn->encrypt_level = SMB_SIGNING_OFF;
+ }
+ }
conn->veto_list = NULL;
conn->hide_list = NULL;
diff --git a/source3/smbd/smb2_negprot.c b/source3/smbd/smb2_negprot.c
index 9c03b2c..007be6b 100644
--- a/source3/smbd/smb2_negprot.c
+++ b/source3/smbd/smb2_negprot.c
@@ -429,7 +429,7 @@ NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req)
req->preauth = &req->xconn->smb2.preauth;
}
- if (in_cipher != NULL) {
+ if ((capabilities & SMB2_CAP_ENCRYPTION) && (in_cipher != NULL)) {
size_t needed = 2;
uint16_t cipher_count;
const uint8_t *p;
diff --git a/source3/smbd/smb2_tcon.c b/source3/smbd/smb2_tcon.c
index 61e2a36..5330fc3 100644
--- a/source3/smbd/smb2_tcon.c
+++ b/source3/smbd/smb2_tcon.c
@@ -268,7 +268,8 @@ static NTSTATUS smbd_smb2_tree_connect(struct smbd_smb2_request *req,
}
if ((lp_smb_encrypt(snum) >= SMB_SIGNING_DESIRED) &&
- (conn->smb2.client.capabilities & SMB2_CAP_ENCRYPTION)) {
+ (conn->smb2.server.cipher != 0))
+ {
encryption_desired = true;
}
--
Samba Shared Repository
More information about the samba-cvs
mailing list