Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 149 insertions, 0 deletions

diff --git a/source4/torture/smb2/maxfid.c b/source4/torture/smb2/maxfid.c
new file mode 100644
index 0000000..5f0b9fe
--- /dev/null
+++ b/source4/torture/smb2/maxfid.c
@@ -0,0 +1,149 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   SMB2 maxfid test
+
+   Copyright (C) Christof Schmitt 2016
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+
+#include "torture/torture.h"
+#include "torture/smb2/proto.h"
+
+bool torture_smb2_maxfid(struct torture_context *tctx)
+{
+	bool ret = true;
+	NTSTATUS status;
+	struct smb2_tree *tree = NULL;
+	const char *dname = "smb2_maxfid";
+	size_t i, maxfid;
+	struct smb2_handle *handles,  dir_handle = { };
+	size_t max_handles;
+
+	/*
+	 * We limited this to 65520 as socket_wrapper has a limit of
+	 * 65535 (0xfff0) open sockets.
+	 *
+	 * It could be increased by setting the following env variable:
+	 *
+	 * SOCKET_WRAPPER_MAX_SOCKETS=100000
+	 */
+	max_handles = torture_setting_int(tctx, "maxopenfiles", 65520);
+
+	if (!torture_smb2_connection(tctx, &tree)) {
+		return false;
+	}
+
+	handles = talloc_array(tctx, struct smb2_handle, max_handles);
+	if (handles == 0) {
+		torture_fail(tctx, "Could not allocate handles array.\n");
+		return false;
+	}
+
+	smb2_deltree(tree, dname);
+
+	status = torture_smb2_testdir(tree, dname, &dir_handle);
+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
+					"torture_smb2_testdir failed");
+	smb2_util_close(tree, dir_handle);
+
+	torture_comment(tctx, "Creating subdirectories\n");
+
+	for (i = 0; i < max_handles; i += 1000) {
+		char *name;
+		struct smb2_create create = { };
+		struct smb2_close close = { };
+
+		name = talloc_asprintf(tctx, "%s\\%zu", dname, i / 1000);
+		torture_assert_goto(tctx, (name != NULL), ret, done,
+				    "no memory for directory name\n");
+
+		create.in.desired_access = SEC_RIGHTS_DIR_ALL;
+		create.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
+		create.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
+		create.in.share_access = NTCREATEX_SHARE_ACCESS_READ |
+			NTCREATEX_SHARE_ACCESS_WRITE |
+			NTCREATEX_SHARE_ACCESS_DELETE;
+		create.in.create_disposition = NTCREATEX_DISP_CREATE;
+		create.in.fname = name;
+
+		status = smb2_create(tree, tctx, &create);
+		talloc_free(name);
+
+		torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
+						"CREATE directory failed\n");
+
+		close.in.file.handle = create.out.file.handle;
+		status = smb2_close(tree, &close);
+		torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
+						"CLOSE directory failed\n");
+	}
+
+	torture_comment(tctx, "Testing maximum number of open files\n");
+
+	for (i = 0; i < max_handles; i++) {
+		char *name;
+		struct smb2_create create = { };
+
+		name = talloc_asprintf(tctx, "%s\\%zu\\%zu", dname, i / 1000, i);
+		torture_assert_goto(tctx, (name != NULL), ret, done,
+				    "no memory for file name\n");
+
+		create.in.desired_access = SEC_RIGHTS_DIR_ALL;
+		create.in.create_options = 0;
+		create.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+		create.in.share_access = NTCREATEX_SHARE_ACCESS_READ |
+			NTCREATEX_SHARE_ACCESS_WRITE |
+			NTCREATEX_SHARE_ACCESS_DELETE;
+		create.in.create_disposition = NTCREATEX_DISP_CREATE;
+		create.in.fname = name;
+
+		status = smb2_create(tree, tctx, &create);
+		if (!NT_STATUS_IS_OK(status)) {
+			torture_comment(tctx, "create of %s failed: %s\n",
+					name, nt_errstr(status));
+			talloc_free(name);
+			break;
+		}
+		talloc_free(name);
+
+		handles[i] = create.out.file.handle;
+	}
+
+	maxfid = i;
+	if (maxfid == max_handles) {
+		torture_comment(tctx, "Reached test limit of %zu open files. "
+				"Adjust to higher test with "
+				"--option=torture:maxopenfiles=NNN\n", maxfid);
+	}
+
+	torture_comment(tctx, "Cleanup open files\n");
+
+	for (i = 0; i < maxfid; i++) {
+		status = smb2_util_close(tree, handles[i]);
+		torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
+						"CLOSE failed\n");
+	}
+
+done:
+	smb2_deltree(tree, dname);
+	talloc_free(handles);
+
+	return ret;
+}