/* 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; }