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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
Unix SMB/CIFS implementation.
SMB2 opcode scanner
Copyright (C) Andrew Tridgell 2005
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "lib/cmdline/popt_common.h"
#include "lib/events/events.h"
/*
create a complex file using the old SMB protocol, to make it easier to
find fields in SMB2 getinfo levels
*/
static BOOL setup_complex_file(const char *fname)
{
struct smbcli_state *cli;
int fnum;
if (!torture_open_connection(&cli)) {
return False;
}
fnum = create_complex_file(cli, cli, fname);
if (DEBUGLVL(1)) {
torture_all_info(cli->tree, fname);
}
talloc_free(cli);
return fnum != -1;
}
/*
scan for valid SMB2 getinfo levels
*/
BOOL torture_smb2_getinfo_scan(void)
{
TALLOC_CTX *mem_ctx = talloc_new(NULL);
struct smb2_tree *tree;
const char *host = lp_parm_string(-1, "torture", "host");
const char *share = lp_parm_string(-1, "torture", "share");
struct cli_credentials *credentials = cmdline_credentials;
NTSTATUS status;
struct smb2_getinfo io;
struct smb2_create cr;
struct smb2_handle handle;
int c, i;
const char *fname = "scan-getinfo.dat";
status = smb2_connect(mem_ctx, host, share, credentials, &tree,
event_context_find(mem_ctx));
if (!NT_STATUS_IS_OK(status)) {
printf("Connection failed - %s\n", nt_errstr(status));
return False;
}
if (!setup_complex_file(fname)) {
printf("Failed to setup complex file '%s'\n", fname);
}
ZERO_STRUCT(cr);
cr.in.buffer_code = 0x39;
cr.in.oplock_flags = 0;
cr.in.access_mask = SEC_RIGHTS_FILE_ALL;
cr.in.file_attr = FILE_ATTRIBUTE_NORMAL;
cr.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
cr.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
cr.in.create_options = NTCREATEX_OPTIONS_WRITE_THROUGH;
cr.in.fname = fname;
status = smb2_create(tree, &cr);
if (!NT_STATUS_IS_OK(status)) {
printf("create of '%s' failed - %s\n", fname, nt_errstr(status));
return False;
}
handle = cr.out.handle;
ZERO_STRUCT(io);
io.in.buffer_code = 0x29;
io.in.max_response_size = 0xFFFF;
io.in.handle = handle;
for (c=0;c<5;c++) {
for (i=0;i<0x100;i++) {
io.in.level = (i<<8) | c;
status = smb2_getinfo(tree, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER) ||
NT_STATUS_EQUAL(status, NT_STATUS_INVALID_INFO_CLASS) ||
NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
continue;
}
if (NT_STATUS_IS_OK(status)) {
printf("level 0x%04x is %d bytes\n",
io.in.level, io.out.blob.length);
dump_data(1, io.out.blob.data, io.out.blob.length);
}
}
}
talloc_free(mem_ctx);
return True;
}
/*
scan for valid SMB2 opcodes
*/
BOOL torture_smb2_scan(void)
{
TALLOC_CTX *mem_ctx = talloc_new(NULL);
struct smb2_tree *tree;
const char *host = lp_parm_string(-1, "torture", "host");
const char *share = lp_parm_string(-1, "torture", "share");
struct cli_credentials *credentials = cmdline_credentials;
NTSTATUS status;
int opcode;
struct smb2_request *req;
status = smb2_connect(mem_ctx, host, share, credentials, &tree,
event_context_find(mem_ctx));
if (!NT_STATUS_IS_OK(status)) {
printf("Connection failed - %s\n", nt_errstr(status));
return False;
}
tree->session->transport->options.timeout = 3;
for (opcode=0;opcode<1000;opcode++) {
req = smb2_request_init_tree(tree, opcode, 2);
SSVAL(req->out.body, 0, 0);
smb2_transport_send(req);
if (!smb2_request_receive(req)) {
talloc_free(tree);
status = smb2_connect(mem_ctx, host, share, credentials, &tree,
event_context_find(mem_ctx));
if (!NT_STATUS_IS_OK(status)) {
printf("Connection failed - %s\n", nt_errstr(status));
return False;
}
tree->session->transport->options.timeout = 3;
} else {
status = smb2_request_destroy(req);
printf("active opcode %4d gave status %s\n", opcode, nt_errstr(status));
}
}
talloc_free(mem_ctx);
return True;
}
|
