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/*
Unix SMB/CIFS implementation.
test suite for SMB2 write operations
Copyright (C) Andrew Tridgell 2006
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 "librpc/gen_ndr/security.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "torture/torture.h"
#include "torture/smb2/proto.h"
#define FNAME "testmaxwrite.dat"
/*
test writing
*/
static NTSTATUS torture_smb2_write(struct torture_context *tctx,
struct smb2_tree *tree,
struct smb2_handle handle)
{
struct smb2_write w;
struct smb2_read r;
NTSTATUS status;
int i, len;
int max = 80000000;
int min = 1;
while (max > min) {
TALLOC_CTX *tmp_ctx = talloc_new(tctx);
len = 1+(min+max)/2;
ZERO_STRUCT(w);
w.in.file.handle = handle;
w.in.offset = 0;
w.in.data = data_blob_talloc(tmp_ctx, NULL, len);
for (i=0;i<len;i++) {
w.in.data.data[i] = i % 256;
}
printf("trying to write %d bytes (min=%d max=%d)\n",
len, min, max);
status = smb2_write(tree, &w);
if (!NT_STATUS_IS_OK(status)) {
printf("write failed - %s\n", nt_errstr(status));
max = len-1;
status = smb2_util_close(tree, handle);
if (!NT_STATUS_IS_OK(status)) {
/* vista bug */
printf("coping with server disconnect\n");
talloc_free(tree);
if (!torture_smb2_connection(torture, &tree)) {
printf("failed to reconnect\n");
return NT_STATUS_NET_WRITE_FAULT;
}
}
handle = torture_smb2_create(tree, FNAME);
continue;
} else {
min = len;
}
ZERO_STRUCT(r);
r.in.file.handle = handle;
r.in.length = len;
r.in.offset = 0;
printf("reading %d bytes\n", len);
status = smb2_read(tree, tmp_ctx, &r);
if (!NT_STATUS_IS_OK(status)) {
printf("read failed - %s\n", nt_errstr(status));
} else if (w.in.data.length != r.out.data.length ||
memcmp(w.in.data.data, r.out.data.data, len) != 0) {
printf("read data mismatch\n");
}
talloc_free(tmp_ctx);
}
printf("converged: len=%d\n", max);
smb2_util_close(tree, handle);
smb2_util_unlink(tree, FNAME);
return NT_STATUS_OK;
}
/*
basic testing of SMB2 connection calls
*/
bool torture_smb2_maxwrite(struct torture_context *torture)
{
struct smb2_tree *tree;
struct smb2_handle h1;
NTSTATUS status;
if (!torture_smb2_connection(torture, &tree)) {
return false;
}
h1 = torture_smb2_create(tree, FNAME);
status = torture_smb2_write(torture, tree, h1);
if (!NT_STATUS_IS_OK(status)) {
printf("Write failed - %s\n", nt_errstr(status));
return false;
}
return true;
}
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