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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/***
Copyright (c) 1995 Microsoft Corporation
Module Name:
ListConn.c
Abstract:
Command line test for getting the CONN_STATUS structures
for various connections.
Author:
Cory West [corywest] 14-Nov-95
***/
#include "ndsapi32.h"
#include "ntddnwfs.h"
ULONG DumpConnStatus(
PCONN_STATUS pStatus
);
int
_cdecl main(
int argc,
char **argv
) {
NTSTATUS ntstatus;
IO_STATUS_BLOCK IoStatusBlock;
OBJECT_ATTRIBUTES ObjectAttributes;
ACCESS_MASK DesiredAccess = SYNCHRONIZE | FILE_LIST_DIRECTORY;
HANDLE hRdr;
WCHAR OpenString[] = L"\\Device\\Nwrdr\\*";
UNICODE_STRING OpenName;
OEM_STRING OemArg;
UNICODE_STRING NdsTree;
WCHAR TreeBuffer[64];
ULONG BufferSize = 256;
ULONG RequestSize, ReplyLen;
PNWR_REQUEST_PACKET Request;
BYTE *Reply, *LocalBlock;
DWORD Entries, BlockLen;
//
// Check the arguments.
//
if ( argc > 2 ) {
printf( "Usage: listconn [tree | server]\n" );
return -1;
}
//
// Allocate buffer space.
//
Request = (PNWR_REQUEST_PACKET) LocalAlloc( LMEM_ZEROINIT, BufferSize );
if ( !Request ) {
printf( "Insufficient memory to complete the request.\n" );
return -1;
}
//
// Convert the argument name to unicode.
//
NdsTree.Length = 0;
NdsTree.MaximumLength = sizeof( TreeBuffer );
NdsTree.Buffer = TreeBuffer;
if ( argc == 2 ) {
OemArg.Length = strlen( argv[1] );
OemArg.MaximumLength = OemArg.Length;
OemArg.Buffer = argv[1];
NdsTree.Length = 0;
NdsTree.MaximumLength = sizeof( TreeBuffer );
NdsTree.Buffer = TreeBuffer;
RtlOemStringToUnicodeString( &NdsTree, &OemArg, FALSE );
}
//
// Set up the object attributes.
//
RtlInitUnicodeString( &OpenName, OpenString );
InitializeObjectAttributes( &ObjectAttributes,
&OpenName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL );
ntstatus = NtOpenFile( &hRdr,
DesiredAccess,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_VALID_FLAGS,
FILE_SYNCHRONOUS_IO_NONALERT );
if ( !NT_SUCCESS(ntstatus) )
return ntstatus;
//
// Fill out the request packet for FSCTL_NWR_GET_CONN_STATUS.
//
Request->Parameters.GetConnStatus.ConnectionNameLength = NdsTree.Length;
RtlCopyMemory( &(Request->Parameters.GetConnStatus.ConnectionName[0]),
TreeBuffer,
NdsTree.Length );
RequestSize = sizeof( NWR_REQUEST_PACKET ) + NdsTree.Length;
Reply = ((PBYTE)Request) + RequestSize;
ReplyLen = BufferSize - RequestSize;
do {
ntstatus = NtFsControlFile( hRdr,
NULL,
NULL,
NULL,
&IoStatusBlock,
FSCTL_NWR_GET_CONN_STATUS,
(PVOID) Request,
RequestSize,
(PVOID) Reply,
ReplyLen );
if ( !NT_SUCCESS( ntstatus ) ) {
goto ExitWithClose;
}
//
// Print out this batch and see if we need to continue.
//
// ATTN!!! The only time that the caller needs to resize
// the buffer is when there are no entries returned and the
// status is STATUS_BUFFER_TOO_SMALL. When this happens,
// the BytesNeeded field contains the smallest usable
// buffer size.
//
Entries = Request->Parameters.GetConnStatus.EntriesReturned;
printf( "%d entries returned for this call.\n", Entries );
LocalBlock = Reply;
while ( Entries-- ) {
BlockLen = DumpConnStatus( (PCONN_STATUS) LocalBlock );
LocalBlock += BlockLen;
}
} while ( Request->Parameters.GetConnStatus.ResumeKey != 0 );
ExitWithClose:
LocalFree( Request );
NtClose( hRdr );
return ntstatus;
}
ULONG DumpConnStatus(
PCONN_STATUS pStatus
) {
printf( "--------------------------------------------\n" );
printf( "Server: %S\n", pStatus->pszServerName );
printf( "User: %S\n", pStatus->pszUserName );
printf( "NDS Tree: %S\n", pStatus->pszTreeName );
printf( "Connection Number: %d\n", pStatus->nConnNum );
if ( pStatus->fNds ) {
printf( "Nds Connection: TRUE\n" );
} else {
printf( "Nds Connection: FALSE\n" );
}
if ( pStatus->fPreferred ) {
printf( "Preferred Server: TRUE\n" );
} else {
printf( "Preferred Server: FALSE\n" );
}
switch ( pStatus->dwConnType ) {
case NW_CONN_NOT_AUTHENTICATED:
printf( "Authentication: NOT AUTHENTICATED\n" );
break;
case NW_CONN_BINDERY_LOGIN:
printf( "Authentication: BINDERY LOGIN\n" );
break;
case NW_CONN_NDS_AUTHENTICATED_NO_LICENSE:
printf( "Authentication: NDS AUTHENTICATED, NOT LICENSED\n" );
break;
case NW_CONN_NDS_AUTHENTICATED_LICENSED:
printf( "Authentication: NDS AUTHENTICATED, LICENSED\n" );
break;
case NW_CONN_DISCONNECTED:
printf( "Authentication: DISCONNECTED\n" );
break;
}
printf( "--------------------------------------------\n" );
return pStatus->dwTotalLength;
}
|
