1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
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;
}
torture_comment(tctx, "trying to write %d bytes (min=%d max=%d)\n",
len, min, max);
status = smb2_write(tree, &w);
if (!NT_STATUS_IS_OK(status)) {
torture_comment(tctx, "write failed - %s\n", nt_errstr(status));
max = len-1;
status = smb2_util_close(tree, handle);
if (!NT_STATUS_IS_OK(status)) {
/* vista bug */
torture_comment(tctx, "coping with server disconnect\n");
talloc_free(tree);
if (!torture_smb2_connection(tctx, &tree)) {
torture_comment(tctx, "failed to reconnect\n");
return NT_STATUS_NET_WRITE_FAULT;
}
}
status = torture_smb2_createfile(tctx, tree, FNAME, &handle);
if (!NT_STATUS_IS_OK(status)) {
torture_comment(tctx, "failed to create file handle\n");
talloc_free(tmp_ctx);
return status;
}
continue;
} else {
min = len;
}
ZERO_STRUCT(r);
r.in.file.handle = handle;
r.in.length = len;
r.in.offset = 0;
torture_comment(tctx, "reading %d bytes\n", len);
status = smb2_read(tree, tmp_ctx, &r);
if (!NT_STATUS_IS_OK(status)) {
torture_comment(tctx, "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) {
torture_comment(tctx, "read data mismatch\n");
}
talloc_free(tmp_ctx);
}
torture_comment(tctx, "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 *tctx)
{
struct smb2_tree *tree;
struct smb2_handle h1;
if (!torture_smb2_connection(tctx, &tree)) {
return false;
}
torture_assert_ntstatus_ok(tctx,
torture_smb2_createfile(tctx, tree, FNAME, &h1),
"failed to create file handle");
torture_assert_ntstatus_ok(tctx,
torture_smb2_write(tctx, tree, h1),
"Write failed");
return true;
}
|
