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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
Unix SMB/CIFS implementation.
NBT name registration testing
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 "lib/socket/socket.h"
#include "libcli/resolve/resolve.h"
#include "system/network.h"
#include "netif/netif.h"
#define CHECK_VALUE(v, correct) do { \
if ((v) != (correct)) { \
printf("(%s) Incorrect value %s=%d - should be %d\n", \
__location__, #v, (int)v, (int)correct); \
ret = False; \
}} while (0)
#define CHECK_STRING(v, correct) do { \
if (strcasecmp_m(v, correct) != 0) { \
printf("(%s) Incorrect value %s='%s' - should be '%s'\n", \
__location__, #v, v, correct); \
ret = False; \
}} while (0)
/*
test that a server responds correctly to attempted registrations of its name
*/
static BOOL nbt_register_own(TALLOC_CTX *mem_ctx, struct nbt_name *name,
const char *address)
{
struct nbt_name_register io;
NTSTATUS status;
struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
BOOL ret = True;
const char *myaddress = iface_best_ip(address);
struct socket_address *socket_address;
socket_address = socket_address_from_strings(mem_ctx, nbtsock->sock->backend_name,
myaddress, 0);
if (!socket_address) {
return False;
}
status = socket_listen(nbtsock->sock, socket_address, 0, 0);
if (!NT_STATUS_IS_OK(status)) {
printf("socket_listen for nbt_register_own failed: %s\n", nt_errstr(status));
return False;
}
printf("Testing name defense to name registration\n");
io.in.name = *name;
io.in.dest_addr = address;
io.in.address = myaddress;
io.in.nb_flags = NBT_NODE_B | NBT_NM_ACTIVE;
io.in.register_demand = False;
io.in.broadcast = True;
io.in.multi_homed = False;
io.in.ttl = 1234;
io.in.timeout = 3;
io.in.retries = 0;
status = nbt_name_register(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name register\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name register - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
/* check a register demand */
io.in.address = myaddress;
io.in.register_demand = True;
status = nbt_name_register(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name register demand\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name register demand - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
return ret;
}
/*
test that a server responds correctly to attempted name refresh requests
*/
static BOOL nbt_refresh_own(TALLOC_CTX *mem_ctx, struct nbt_name *name,
const char *address)
{
struct nbt_name_refresh io;
NTSTATUS status;
struct nbt_name_socket *nbtsock = nbt_name_socket_init(mem_ctx, NULL);
BOOL ret = True;
const char *myaddress = iface_best_ip(address);
struct socket_address *socket_address;
socket_address = socket_address_from_strings(mem_ctx, nbtsock->sock->backend_name,
myaddress, 0);
if (!socket_address) {
return False;
}
status = socket_listen(nbtsock->sock, socket_address, 0, 0);
if (!NT_STATUS_IS_OK(status)) {
printf("socket_listen for nbt_referesh_own failed: %s\n", nt_errstr(status));
return False;
}
printf("Testing name defense to name refresh\n");
io.in.name = *name;
io.in.dest_addr = address;
io.in.address = myaddress;
io.in.nb_flags = NBT_NODE_B | NBT_NM_ACTIVE;
io.in.broadcast = False;
io.in.ttl = 1234;
io.in.timeout = 3;
io.in.retries = 0;
status = nbt_name_refresh(nbtsock, mem_ctx, &io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
printf("No response from %s for name refresh\n", address);
return False;
}
if (!NT_STATUS_IS_OK(status)) {
printf("Bad response from %s for name refresh - %s\n",
address, nt_errstr(status));
return False;
}
CHECK_STRING(io.out.name.name, name->name);
CHECK_VALUE(io.out.name.type, name->type);
CHECK_VALUE(io.out.rcode, NBT_RCODE_ACT);
return ret;
}
/*
test name registration to a server
*/
BOOL torture_nbt_register(void)
{
const char *address;
struct nbt_name name;
TALLOC_CTX *mem_ctx = talloc_new(NULL);
NTSTATUS status;
BOOL ret = True;
make_nbt_name_server(&name, strupper_talloc(mem_ctx, lp_parm_string(-1, "torture", "host")));
/* do an initial name resolution to find its IP */
status = resolve_name(&name, mem_ctx, &address, NULL);
if (!NT_STATUS_IS_OK(status)) {
printf("Failed to resolve %s - %s\n",
name.name, nt_errstr(status));
talloc_free(mem_ctx);
return False;
}
ret &= nbt_register_own(mem_ctx, &name, address);
ret &= nbt_refresh_own(mem_ctx, &name, address);
talloc_free(mem_ctx);
return ret;
}
|
