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s4-torture: add test for lease break after file unlink

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When deleting a file, all leases granting handle caching lease to the
file should be recalled.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13458

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jun  1 02:57:46 CEST 2018 on sn-devel-144
This commit is contained in:
Sachin Prabhu 2018-04-20 13:51:10 +01:00 committed by Jeremy Allison
parent 02991b4df9
commit 7a0d82b694
2 changed files with 100 additions and 0 deletions
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1
selftest/knownfail
View File

@ -191,6 +191,7 @@
^samba3.smb2.replay.replay4
^samba3.smb2.lock.*replay
^samba3.smb2.lease.statopen3
^samba3.smb2.lease.unlink # we currently do not downgrade RH lease to R after unlink
^samba4.smb2.ioctl.compress_notsup.*\(ad_dc_ntvfs\)
^samba3.raw.session.*reauth2 # maybe fix this?
^samba3.rpc.lsa.secrets.seal # This gives NT_STATUS_LOCAL_USER_SESSION_KEY

99
source4/torture/smb2/lease.c
View File

@ -3870,6 +3870,104 @@ static bool test_lease_dynamic_share(struct torture_context *tctx,
return ret;
}
/*
* Test identifies a bug where the Samba server will not trigger a lease break
* for a handle caching lease held by a client when the underlying file is
* deleted.
* Test:
* Connect session2.
* open file in session1
* session1 should have RWH lease.
* open file in session2
* lease break sent to session1 to downgrade lease to RH
* close file in session 2
* unlink file in session 2
* lease break sent to session1 to downgrade lease to R
* Cleanup
*/
static bool test_lease_unlink(struct torture_context *tctx,
struct smb2_tree *tree1)
{
TALLOC_CTX *mem_ctx = talloc_new(tctx);
NTSTATUS status;
bool ret = true;
struct smbcli_options transport2_options;
struct smb2_tree *tree2 = NULL;
struct smb2_transport *transport1 = tree1->session->transport;
struct smb2_transport *transport2;
struct smb2_handle h1 = {{ 0 }};
struct smb2_handle h2 = {{ 0 }};
const char *fname = "lease_unlink.dat";
uint32_t caps;
struct smb2_create io1;
struct smb2_create io2;
struct smb2_lease ls1;
struct smb2_lease ls2;
caps = smb2cli_conn_server_capabilities(
tree1->session->transport->conn);
if (!(caps & SMB2_CAP_LEASING)) {
torture_skip(tctx, "leases are not supported");
}
/* Connect 2nd connection */
transport2_options = transport1->options;
transport2_options.client_guid = GUID_random();
if (!torture_smb2_connection_ext(tctx, 0, &transport2_options, &tree2)) {
torture_warning(tctx, "couldn't reconnect, bailing\n");
return false;
}
transport2 = tree2->session->transport;
/* Set lease handlers */
transport1->lease.handler = torture_lease_handler;
transport1->lease.private_data = tree1;
transport2->lease.handler = torture_lease_handler;
transport2->lease.private_data = tree2;
smb2_lease_create(&io1, &ls1, false, fname, LEASE1,
smb2_util_lease_state("RHW"));
smb2_lease_create(&io2, &ls2, false, fname, LEASE2,
smb2_util_lease_state("RHW"));
smb2_util_unlink(tree1, fname);
torture_comment(tctx, "Client opens fname with session 1\n");
torture_reset_lease_break_info(tctx, &lease_break_info);
status = smb2_create(tree1, mem_ctx, &io1);
CHECK_STATUS(status, NT_STATUS_OK);
h1 = io1.out.file.handle;
CHECK_CREATED(&io1, CREATED, FILE_ATTRIBUTE_ARCHIVE);
CHECK_LEASE(&io1, "RHW", true, LEASE1, 0);
CHECK_VAL(lease_break_info.count, 0);
torture_comment(tctx, "Client opens fname with session 2\n");
torture_reset_lease_break_info(tctx, &lease_break_info);
status = smb2_create(tree2, mem_ctx, &io2);
CHECK_STATUS(status, NT_STATUS_OK);
h2 = io2.out.file.handle;
CHECK_CREATED(&io2, EXISTED, FILE_ATTRIBUTE_ARCHIVE);
CHECK_LEASE(&io2, "RH", true, LEASE2, 0);
CHECK_VAL(lease_break_info.count, 1);
CHECK_BREAK_INFO("RHW", "RH", LEASE1);
torture_comment(tctx,
"Client closes and then unlinks fname with session 2\n");
torture_reset_lease_break_info(tctx, &lease_break_info);
smb2_util_close(tree2, h2);
smb2_util_unlink(tree2, fname);
CHECK_VAL(lease_break_info.count, 1);
CHECK_BREAK_INFO("RH", "R", LEASE1);
done:
smb2_util_close(tree1, h1);
smb2_util_close(tree2, h2);
smb2_util_unlink(tree1, fname);
return ret;
}
struct torture_suite *torture_smb2_lease_init(TALLOC_CTX *ctx)
{
struct torture_suite *suite =
@ -3909,6 +4007,7 @@ struct torture_suite *torture_smb2_lease_init(TALLOC_CTX *ctx)
torture_suite_add_1smb2_test(suite, "v2_rename", test_lease_v2_rename);
torture_suite_add_1smb2_test(suite, "dynamic_share", test_lease_dynamic_share);
torture_suite_add_1smb2_test(suite, "timeout", test_lease_timeout);
torture_suite_add_1smb2_test(suite, "unlink", test_lease_unlink);
suite->description = talloc_strdup(suite, "SMB2-LEASE tests");