summaryrefslogtreecommitdiff
path: root/source3/utils/net_status.c
blob: 354111f6092ef293de86aaee1d2a72e1b6ad1222 (plain)
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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
/* 
   Samba Unix/Linux SMB client library 
   net status command -- possible replacement for smbstatus
   Copyright (C) 2003 Volker Lendecke (vl@samba.org)

   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 "utils/net.h"

static int show_session(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
			void *state)
{
	BOOL *parseable = (BOOL *)state;
	struct sessionid sessionid;

	if (dbuf.dsize != sizeof(sessionid))
		return 0;

	memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));

	if (!process_exists_by_pid(sessionid.pid)) {
		return 0;
	}

	if (*parseable) {
		d_printf("%d\\%s\\%s\\%s\\%s\n",
			 (int)sessionid.pid, uidtoname(sessionid.uid),
			 gidtoname(sessionid.gid), 
			 sessionid.remote_machine, sessionid.hostname);
	} else {
		d_printf("%5d   %-12s  %-12s  %-12s (%s)\n",
			 (int)sessionid.pid, uidtoname(sessionid.uid),
			 gidtoname(sessionid.gid), 
			 sessionid.remote_machine, sessionid.hostname);
	}

	return 0;
}

static int net_status_sessions(int argc, const char **argv)
{
	TDB_CONTEXT *tdb;
	BOOL parseable;

	if (argc == 0) {
		parseable = False;
	} else if ((argc == 1) && strequal(argv[0], "parseable")) {
		parseable = True;
	} else {
		return net_help_status(argc, argv);
	}

	if (!parseable) {
		d_printf("PID     Username      Group         Machine"
			 "                        \n");
		d_printf("-------------------------------------------"
			 "------------------------\n");
	}

	tdb = tdb_open_log(lock_path("sessionid.tdb"), 0,
			   TDB_DEFAULT, O_RDONLY, 0);

	if (tdb == NULL) {
		d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
		return -1;
	}

	tdb_traverse(tdb, show_session, &parseable);
	tdb_close(tdb);

	return 0;
}

static int show_share(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
		      void *state)
{
	struct connections_data crec;

	if (dbuf.dsize != sizeof(crec))
		return 0;

	memcpy(&crec, dbuf.dptr, sizeof(crec));

	if (crec.cnum == -1)
		return 0;

	if (!process_exists(crec.pid)) {
		return 0;
	}

	d_printf("%-10.10s   %s   %-12s  %s",
	       crec.servicename,procid_str_static(&crec.pid),
	       crec.machine,
	       time_to_asc(crec.start));

	return 0;
}

struct sessionids {
	int num_entries;
	struct sessionid *entries;
};

static int collect_pid(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
		       void *state)
{
	struct sessionids *ids = (struct sessionids *)state;
	struct sessionid sessionid;

	if (dbuf.dsize != sizeof(sessionid))
		return 0;

	memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));

	if (!process_exists_by_pid(sessionid.pid)) 
		return 0;

	ids->num_entries += 1;
	ids->entries = SMB_REALLOC_ARRAY(ids->entries, struct sessionid, ids->num_entries);
	if (!ids->entries) {
		ids->num_entries = 0;
		return 0;
	}
	ids->entries[ids->num_entries-1] = sessionid;

	return 0;
}

static int show_share_parseable(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
				void *state)
{
	struct sessionids *ids = (struct sessionids *)state;
	struct connections_data crec;
	int i;
	BOOL guest = True;

	if (dbuf.dsize != sizeof(crec))
		return 0;

	memcpy(&crec, dbuf.dptr, sizeof(crec));

	if (crec.cnum == -1)
		return 0;

	if (!process_exists(crec.pid)) {
		return 0;
	}

	for (i=0; i<ids->num_entries; i++) {
		struct process_id id = pid_to_procid(ids->entries[i].pid);
		if (procid_equal(&id, &crec.pid)) {
			guest = False;
			break;
		}
	}

	d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
		 crec.servicename,procid_str_static(&crec.pid),
		 guest ? "" : uidtoname(ids->entries[i].uid),
		 guest ? "" : gidtoname(ids->entries[i].gid),
		 crec.machine, 
		 guest ? "" : ids->entries[i].hostname,
		 time_to_asc(crec.start));

	return 0;
}

static int net_status_shares_parseable(int argc, const char **argv)
{
	struct sessionids ids;
	TDB_CONTEXT *tdb;

	ids.num_entries = 0;
	ids.entries = NULL;

	tdb = tdb_open_log(lock_path("sessionid.tdb"), 0,
			   TDB_DEFAULT, O_RDONLY, 0);

	if (tdb == NULL) {
		d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
		return -1;
	}

	tdb_traverse(tdb, collect_pid, &ids);
	tdb_close(tdb);

	tdb = tdb_open_log(lock_path("connections.tdb"), 0,
			   TDB_DEFAULT, O_RDONLY, 0);

	if (tdb == NULL) {
		d_fprintf(stderr, "%s not initialised\n", lock_path("connections.tdb"));
		d_fprintf(stderr, "This is normal if no SMB client has ever "
			 "connected to your server.\n");
		return -1;
	}

	tdb_traverse(tdb, show_share_parseable, &ids);
	tdb_close(tdb);

	SAFE_FREE(ids.entries);

	return 0;
}

static int net_status_shares(int argc, const char **argv)
{
	TDB_CONTEXT *tdb;

	if (argc == 0) {

		d_printf("\nService      pid     machine       "
			 "Connected at\n");
		d_printf("-------------------------------------"
			 "------------------\n");

		tdb = tdb_open_log(lock_path("connections.tdb"), 0,
				   TDB_DEFAULT, O_RDONLY, 0);

		if (tdb == NULL) {
			d_fprintf(stderr, "%s not initialised\n",
				 lock_path("connections.tdb"));
			d_fprintf(stderr, "This is normal if no SMB client has "
				 "ever connected to your server.\n");
			return -1;
		}

		tdb_traverse(tdb, show_share, NULL);
		tdb_close(tdb);

		return 0;
	}

	if ((argc != 1) || !strequal(argv[0], "parseable")) {
		return net_help_status(argc, argv);
	}

	return net_status_shares_parseable(argc, argv);
}

int net_status(int argc, const char **argv)
{
	struct functable func[] = {
		{"sessions", net_status_sessions},
		{"shares", net_status_shares},
		{NULL, NULL}
	};
	return net_run_function(argc, argv, func, net_help_status);
}