summaryrefslogtreecommitdiff
path: root/source3/utils/smbcquotas.c
blob: f473808886c5590908b30baed4326ac6dab0bc98 (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
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
/* 
   Unix SMB/CIFS implementation.
   QUOTA get/set utility
   
   Copyright (C) Andrew Tridgell		2000
   Copyright (C) Tim Potter			2000
   Copyright (C) Jeremy Allison			2000
   Copyright (C) Stefan (metze) Metzmacher	2003
   
   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 "popt_common.h"
#include "../librpc/gen_ndr/ndr_lsa.h"
#include "rpc_client/cli_lsarpc.h"
#include "fake_file.h"

static char *server;

/* numeric is set when the user wants numeric SIDs and ACEs rather
   than going via LSA calls to resolve them */
static bool numeric;
static bool verbose;

enum todo_values {NOOP_QUOTA=0,FS_QUOTA,USER_QUOTA,LIST_QUOTA,SET_QUOTA};
enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};

static struct cli_state *cli_ipc;
static struct rpc_pipe_client *global_pipe_hnd;
static struct policy_handle pol;
static bool got_policy_hnd;
static struct user_auth_info *smbcquotas_auth_info;

static struct cli_state *connect_one(const char *share);

/* Open cli connection and policy handle */

static bool cli_open_policy_hnd(void)
{
	/* Initialise cli LSA connection */

	if (!cli_ipc) {
		NTSTATUS ret;
		cli_ipc = connect_one("IPC$");
		ret = cli_rpc_pipe_open_noauth(cli_ipc,
					       &ndr_table_lsarpc.syntax_id,
					       &global_pipe_hnd);
		if (!NT_STATUS_IS_OK(ret)) {
				return False;
		}
	}

	/* Open policy handle */

	if (!got_policy_hnd) {

		/* Some systems don't support SEC_FLAG_MAXIMUM_ALLOWED,
		   but NT sends 0x2000000 so we might as well do it too. */

		if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, talloc_tos(), True, 
							 GENERIC_EXECUTE_ACCESS, &pol))) {
			return False;
		}

		got_policy_hnd = True;
	}
	
	return True;
}

/* convert a SID to a string, either numeric or username/group */
static void SidToString(fstring str, struct dom_sid *sid, bool _numeric)
{
	char **domains = NULL;
	char **names = NULL;
	enum lsa_SidType *types = NULL;

	sid_to_fstring(str, sid);

	if (_numeric) return;

	/* Ask LSA to convert the sid to a name */

	if (!cli_open_policy_hnd() ||
	    !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, talloc_tos(),
						 &pol, 1, sid, &domains, 
						 &names, &types)) ||
	    !domains || !domains[0] || !names || !names[0]) {
		return;
	}

	/* Converted OK */

	slprintf(str, sizeof(fstring) - 1, "%s%s%s",
		 domains[0], lp_winbind_separator(),
		 names[0]);
	
}

/* convert a string to a SID, either numeric or username/group */
static bool StringToSid(struct dom_sid *sid, const char *str)
{
	enum lsa_SidType *types = NULL;
	struct dom_sid *sids = NULL;
	bool result = True;

	if (strncmp(str, "S-", 2) == 0) {
		return string_to_sid(sid, str);
	}

	if (!cli_open_policy_hnd() ||
	    !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, talloc_tos(),
						  &pol, 1, &str, NULL, 1, &sids, 
						  &types))) {
		result = False;
		goto done;
	}

	sid_copy(sid, &sids[0]);
 done:

	return result;
}

#define QUOTA_GET 1
#define QUOTA_SETLIM 2
#define QUOTA_SETFLAGS 3
#define QUOTA_LIST 4

enum {PARSE_FLAGS,PARSE_LIM};

static int parse_quota_set(TALLOC_CTX *ctx,
			char *set_str,
			char **pp_username_str,
			enum SMB_QUOTA_TYPE *qtype,
			int *cmd,
			SMB_NTQUOTA_STRUCT *pqt)
{
	char *p = set_str,*p2;
	int todo;
	bool stop = False;
	bool enable = False;
	bool deny = False;

	*pp_username_str = NULL;
	if (strnequal(set_str,"UQLIM:",6)) {
		p += 6;
		*qtype = SMB_USER_QUOTA_TYPE;
		*cmd = QUOTA_SETLIM;
		todo = PARSE_LIM;
		if ((p2=strstr(p,":"))==NULL) {
			return -1;
		}

		*p2 = '\0';
		p2++;

		*pp_username_str = talloc_strdup(ctx, p);
		p = p2;
	} else if (strnequal(set_str,"FSQLIM:",7)) {
		p +=7;
		*qtype = SMB_USER_FS_QUOTA_TYPE;
		*cmd = QUOTA_SETLIM;
		todo = PARSE_LIM;
	} else if (strnequal(set_str,"FSQFLAGS:",9)) {
		p +=9;
		todo = PARSE_FLAGS;
		*qtype = SMB_USER_FS_QUOTA_TYPE;
		*cmd = QUOTA_SETFLAGS;
	} else {
		return -1;
	}

	switch (todo) {
		case PARSE_LIM:
			if (sscanf(p,"%"PRIu64"/%"PRIu64,&pqt->softlim,&pqt->hardlim)!=2) {
				return -1;
			}

			break;
		case PARSE_FLAGS:
			while (!stop) {

				if ((p2=strstr(p,"/"))==NULL) {
					stop = True;
				} else {
					*p2 = '\0';
					p2++;
				}

				if (strnequal(p,"QUOTA_ENABLED",13)) {
					enable = True;
				} else if (strnequal(p,"DENY_DISK",9)) {
					deny = True;
				} else if (strnequal(p,"LOG_SOFTLIMIT",13)) {
					pqt->qflags |= QUOTAS_LOG_THRESHOLD;
				} else if (strnequal(p,"LOG_HARDLIMIT",13)) {
					pqt->qflags |= QUOTAS_LOG_LIMIT;
				} else {
					return -1;
				}

				p=p2;
			}

			if (deny) {
				pqt->qflags |= QUOTAS_DENY_DISK;
			} else if (enable) {
				pqt->qflags |= QUOTAS_ENABLED;
			}

			break;
	}

	return 0;
}

static int do_quota(struct cli_state *cli,
		enum SMB_QUOTA_TYPE qtype,
		uint16 cmd,
		const char *username_str,
		SMB_NTQUOTA_STRUCT *pqt)
{
	uint32 fs_attrs = 0;
	uint16_t quota_fnum = 0;
	SMB_NTQUOTA_LIST *qtl = NULL;
	SMB_NTQUOTA_STRUCT qt;
	ZERO_STRUCT(qt);

	if (!NT_STATUS_IS_OK(cli_get_fs_attr_info(cli, &fs_attrs))) {
		d_printf("Failed to get the filesystem attributes %s.\n",
			cli_errstr(cli));
		return -1;
	}

	if (!(fs_attrs & FILE_VOLUME_QUOTAS)) {
		d_printf("Quotas are not supported by the server.\n");
		return 0;
	}

	if (!NT_STATUS_IS_OK(cli_get_quota_handle(cli, &quota_fnum))) {
		d_printf("Quotas are not enabled on this share.\n");
		d_printf("Failed to open %s  %s.\n",
			FAKE_FILE_NAME_QUOTA_WIN32,cli_errstr(cli));
		return -1;
	}

	switch(qtype) {
		case SMB_USER_QUOTA_TYPE:
			if (!StringToSid(&qt.sid, username_str)) {
				d_printf("StringToSid() failed for [%s]\n",username_str);
				return -1;
			}

			switch(cmd) {
				case QUOTA_GET:
					if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_user_quota %s\n",
							 cli_errstr(cli),username_str);
						return -1;
					}
					dump_ntquota(&qt,verbose,numeric,SidToString);
					break;
				case QUOTA_SETLIM:
					pqt->sid = qt.sid;
					if (!cli_set_user_quota(cli, quota_fnum, pqt)) {
						d_printf("%s cli_set_user_quota %s\n",
							 cli_errstr(cli),username_str);
						return -1;
					}
					if (!cli_get_user_quota(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_user_quota %s\n",
							 cli_errstr(cli),username_str);
						return -1;
					}
					dump_ntquota(&qt,verbose,numeric,SidToString);
					break;
				case QUOTA_LIST:
					if (!cli_list_user_quota(cli, quota_fnum, &qtl)) {
						d_printf("%s cli_set_user_quota %s\n",
							 cli_errstr(cli),username_str);
						return -1;
					}
					dump_ntquota_list(&qtl,verbose,numeric,SidToString);
					free_ntquota_list(&qtl);
					break;
				default:
					d_printf("Unknown Error\n");
					return -1;
			}
			break;
		case SMB_USER_FS_QUOTA_TYPE:
			switch(cmd) {
				case QUOTA_GET:
					if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					dump_ntquota(&qt,True,numeric,NULL);
					break;
				case QUOTA_SETLIM:
					if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					qt.softlim = pqt->softlim;
					qt.hardlim = pqt->hardlim;
					if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_set_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					dump_ntquota(&qt,True,numeric,NULL);
					break;
				case QUOTA_SETFLAGS:
					if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					qt.qflags = pqt->qflags;
					if (!cli_set_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_set_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					if (!cli_get_fs_quota_info(cli, quota_fnum, &qt)) {
						d_printf("%s cli_get_fs_quota_info\n",
							 cli_errstr(cli));
						return -1;
					}
					dump_ntquota(&qt,True,numeric,NULL);
					break;
				default:
					d_printf("Unknown Error\n");
					return -1;
			}
			break;
		default:
			d_printf("Unknown Error\n");
			return -1;
	}

	cli_close(cli, quota_fnum);

	return 0;
}

/*****************************************************
 Return a connection to a server.
*******************************************************/

static struct cli_state *connect_one(const char *share)
{
	struct cli_state *c;
	struct sockaddr_storage ss;
	NTSTATUS nt_status;
	uint32_t flags = 0;

	zero_sockaddr(&ss);

	if (get_cmdline_auth_info_use_machine_account(smbcquotas_auth_info) &&
	    !set_cmdline_auth_info_machine_account_creds(smbcquotas_auth_info)) {
		return NULL;
	}

	if (get_cmdline_auth_info_use_kerberos(smbcquotas_auth_info)) {
		flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
			 CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;

	}

	set_cmdline_auth_info_getpass(smbcquotas_auth_info);

	nt_status = cli_full_connection(&c, global_myname(), server, 
					    &ss, 0,
					    share, "?????",
					    get_cmdline_auth_info_username(smbcquotas_auth_info),
					    lp_workgroup(),
					    get_cmdline_auth_info_password(smbcquotas_auth_info),
					    flags,
					    get_cmdline_auth_info_signing_state(smbcquotas_auth_info),
					    NULL);
	if (!NT_STATUS_IS_OK(nt_status)) {
		DEBUG(0,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status)));
		return NULL;
	}

	if (get_cmdline_auth_info_smb_encrypt(smbcquotas_auth_info)) {
		nt_status = cli_cm_force_encryption(c,
					get_cmdline_auth_info_username(smbcquotas_auth_info),
					get_cmdline_auth_info_password(smbcquotas_auth_info),
					lp_workgroup(),
					share);
		if (!NT_STATUS_IS_OK(nt_status)) {
			cli_shutdown(c);
			return NULL;
		}
	}

	return c;
}

/****************************************************************************
  main program
****************************************************************************/
 int main(int argc, const char *argv[])
{
	char *share;
	int opt;
	int result;
	int todo = 0;
	char *username_str = NULL;
	char *path = NULL;
	char *set_str = NULL;
	enum SMB_QUOTA_TYPE qtype = SMB_INVALID_QUOTA_TYPE;
	int cmd = 0;
	static bool test_args = False;
	struct cli_state *cli;
	bool fix_user = False;
	SMB_NTQUOTA_STRUCT qt;
	TALLOC_CTX *frame = talloc_stackframe();
	poptContext pc;
	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{ "user", 'u', POPT_ARG_STRING, NULL, 'u', "Show quotas for user", "user" },
		{ "list", 'L', POPT_ARG_NONE, NULL, 'L', "List user quotas" },
		{ "fs", 'F', POPT_ARG_NONE, NULL, 'F', "Show filesystem quotas" },
		{ "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls\n\
SETSTRING:\n\
UQLIM:<username>/<softlimit>/<hardlimit> for user quotas\n\
FSQLIM:<softlimit>/<hardlimit> for filesystem defaults\n\
FSQFLAGS:QUOTA_ENABLED/DENY_DISK/LOG_SOFTLIMIT/LOG_HARD_LIMIT", "SETSTRING" },
		{ "numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Don't resolve sids or limits to names" },
		{ "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "be verbose" },
		{ "test-args", 't', POPT_ARG_NONE, NULL, 'r', "Test arguments"},
		POPT_COMMON_SAMBA
		POPT_COMMON_CREDENTIALS
		{ NULL }
	};

	load_case_tables();

	ZERO_STRUCT(qt);

	/* set default debug level to 1 regardless of what smb.conf sets */
	setup_logging( "smbcquotas", True );
	DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
	dbf = x_stderr;
	x_setbuf( x_stderr, NULL );

	setlinebuf(stdout);

	fault_setup(NULL);

	lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
	load_interfaces();

	smbcquotas_auth_info = user_auth_info_init(frame);
	if (smbcquotas_auth_info == NULL) {
		exit(1);
	}
	popt_common_set_auth_info(smbcquotas_auth_info);

	pc = poptGetContext("smbcquotas", argc, argv, long_options, 0);

	poptSetOtherOptionHelp(pc, "//server1/share1");

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'n':
			numeric = true;
			break;
		case 'v':
			verbose = true;
			break;
		case 't':
			test_args = true;
			break;
		case 'L':
			if (todo != 0) {
				d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
				exit(EXIT_PARSE_ERROR);
			}
			todo = LIST_QUOTA;
			break;

		case 'F':
			if (todo != 0) {
				d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
				exit(EXIT_PARSE_ERROR);
			}
			todo = FS_QUOTA;
			break;

		case 'u':
			if (todo != 0) {
				d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
				exit(EXIT_PARSE_ERROR);
			}
			username_str = talloc_strdup(frame, poptGetOptArg(pc));
			if (!username_str) {
				exit(EXIT_PARSE_ERROR);
			}
			todo = USER_QUOTA;
			fix_user = True;
			break;

		case 'S':
			if (todo != 0) {
				d_printf("Please specify only one option of <-L|-F|-S|-u>\n");
				exit(EXIT_PARSE_ERROR);
			}
			set_str = talloc_strdup(frame, poptGetOptArg(pc));
			if (!set_str) {
				exit(EXIT_PARSE_ERROR);
			}
			todo = SET_QUOTA;
			break;
		}
	}

	if (todo == 0)
		todo = USER_QUOTA;

	if (!fix_user) {
		username_str = talloc_strdup(
			frame, get_cmdline_auth_info_username(smbcquotas_auth_info));
		if (!username_str) {
			exit(EXIT_PARSE_ERROR);
		}
	}

	/* Make connection to server */
	if(!poptPeekArg(pc)) {
		poptPrintUsage(pc, stderr, 0);
		exit(EXIT_PARSE_ERROR);
	}

	path = talloc_strdup(frame, poptGetArg(pc));
	if (!path) {
		printf("Out of memory\n");
		exit(EXIT_PARSE_ERROR);
	}

	string_replace(path, '/', '\\');

	server = SMB_STRDUP(path+2);
	if (!server) {
		printf("Out of memory\n");
		exit(EXIT_PARSE_ERROR);
	}
	share = strchr_m(server,'\\');
	if (!share) {
		printf("Invalid argument: %s\n", share);
		exit(EXIT_PARSE_ERROR);
	}

	*share = 0;
	share++;

	if (todo == SET_QUOTA) {
		if (parse_quota_set(talloc_tos(), set_str, &username_str, &qtype, &cmd, &qt)) {
			printf("Invalid argument: -S %s\n", set_str);
			exit(EXIT_PARSE_ERROR);
		}
	}

	if (!test_args) {
		cli = connect_one(share);
		if (!cli) {
			exit(EXIT_FAILED);
		}
	} else {
		exit(EXIT_OK);
	}


	/* Perform requested action */

	switch (todo) {
		case FS_QUOTA:
			result = do_quota(cli,SMB_USER_FS_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
			break;
		case LIST_QUOTA:
			result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_LIST, username_str, NULL);
			break;
		case USER_QUOTA:
			result = do_quota(cli,SMB_USER_QUOTA_TYPE, QUOTA_GET, username_str, NULL);
			break;
		case SET_QUOTA:
			result = do_quota(cli, qtype, cmd, username_str, &qt);
			break;
		default: 
			
			result = EXIT_FAILED;
			break;
	}

	talloc_free(frame);

	return result;
}