1 /*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2005, 2006 Dmitry V. Levin <ldv@altlinux.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "defs.h"
33
34 #define SUBCMDMASK 0x00ff
35 #define SUBCMDSHIFT 8
36 #define QCMD_CMD(cmd) ((u_int32_t)(cmd) >> SUBCMDSHIFT)
37 #define QCMD_TYPE(cmd) ((u_int32_t)(cmd) & SUBCMDMASK)
38
39 #define OLD_CMD(cmd) ((u_int32_t)(cmd) << 8)
40 #define NEW_CMD(cmd) ((u_int32_t)(cmd) | 0x800000)
41 #define XQM_CMD(cmd) ((u_int32_t)(cmd) | ('X'<<8))
42
43 #define Q_V1_QUOTAON OLD_CMD(0x1)
44 #define Q_V1_QUOTAOFF OLD_CMD(0x2)
45 #define Q_V1_GETQUOTA OLD_CMD(0x3)
46 #define Q_V1_SETQUOTA OLD_CMD(0x4)
47 #define Q_V1_SETUSE OLD_CMD(0x5)
48 #define Q_V1_SYNC OLD_CMD(0x6)
49 #define Q_SETQLIM OLD_CMD(0x7)
50 #define Q_V1_GETSTATS OLD_CMD(0x8)
51 #define Q_V1_RSQUASH OLD_CMD(0x10)
52
53 #define Q_V2_GETQUOTA OLD_CMD(0xD)
54 #define Q_V2_SETQUOTA OLD_CMD(0xE)
55 #define Q_V2_SETUSE OLD_CMD(0xF)
56 #define Q_V2_GETINFO OLD_CMD(0x9)
57 #define Q_V2_SETINFO OLD_CMD(0xA)
58 #define Q_V2_SETGRACE OLD_CMD(0xB)
59 #define Q_V2_SETFLAGS OLD_CMD(0xC)
60 #define Q_V2_GETSTATS OLD_CMD(0x11)
61
62 #define Q_SYNC NEW_CMD(0x1)
63 #define Q_QUOTAON NEW_CMD(0x2)
64 #define Q_QUOTAOFF NEW_CMD(0x3)
65 #define Q_GETFMT NEW_CMD(0x4)
66 #define Q_GETINFO NEW_CMD(0x5)
67 #define Q_SETINFO NEW_CMD(0x6)
68 #define Q_GETQUOTA NEW_CMD(0x7)
69 #define Q_SETQUOTA NEW_CMD(0x8)
70
71 #define Q_XQUOTAON XQM_CMD(0x1)
72 #define Q_XQUOTAOFF XQM_CMD(0x2)
73 #define Q_XGETQUOTA XQM_CMD(0x3)
74 #define Q_XSETQLIM XQM_CMD(0x4)
75 #define Q_XGETQSTAT XQM_CMD(0x5)
76 #define Q_XQUOTARM XQM_CMD(0x6)
77 #define Q_XQUOTASYNC XQM_CMD(0x7)
78
79 #include "xlat/quotacmds.h"
80
81 #define USRQUOTA 0
82 #define GRPQUOTA 1
83
84 #include "xlat/quotatypes.h"
85
86 /* Quota format identifiers */
87 #define QFMT_VFS_OLD 1
88 #define QFMT_VFS_V0 2
89
90 #include "xlat/quota_formats.h"
91
92 #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */
93 #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */
94 #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */
95 #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */
96
97 #define XFS_USER_QUOTA (1<<0) /* user quota type */
98 #define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */
99 #define XFS_GROUP_QUOTA (1<<2) /* group quota type */
100
101 #include "xlat/xfs_quota_flags.h"
102 #include "xlat/xfs_dqblk_flags.h"
103
104 /*
105 * Following flags are used to specify which fields are valid
106 */
107 #define QIF_BLIMITS 1
108 #define QIF_SPACE 2
109 #define QIF_ILIMITS 4
110 #define QIF_INODES 8
111 #define QIF_BTIME 16
112 #define QIF_ITIME 32
113
114 #include "xlat/if_dqblk_valid.h"
115
116 struct if_dqblk
117 {
118 u_int64_t dqb_bhardlimit;
119 u_int64_t dqb_bsoftlimit;
120 u_int64_t dqb_curspace;
121 u_int64_t dqb_ihardlimit;
122 u_int64_t dqb_isoftlimit;
123 u_int64_t dqb_curinodes;
124 u_int64_t dqb_btime;
125 u_int64_t dqb_itime;
126 u_int32_t dqb_valid;
127 };
128
129 struct v1_dqblk
130 {
131 u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
132 u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
133 u_int32_t dqb_curblocks; /* current block count */
134 u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
135 u_int32_t dqb_isoftlimit; /* preferred inode limit */
136 u_int32_t dqb_curinodes; /* current # allocated inodes */
137 time_t dqb_btime; /* time limit for excessive disk use */
138 time_t dqb_itime; /* time limit for excessive files */
139 };
140
141 struct v2_dqblk
142 {
143 unsigned int dqb_ihardlimit;
144 unsigned int dqb_isoftlimit;
145 unsigned int dqb_curinodes;
146 unsigned int dqb_bhardlimit;
147 unsigned int dqb_bsoftlimit;
148 u_int64_t dqb_curspace;
149 time_t dqb_btime;
150 time_t dqb_itime;
151 };
152
153 struct xfs_dqblk
154 {
155 int8_t d_version; /* version of this structure */
156 int8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
157 u_int16_t d_fieldmask; /* field specifier */
158 u_int32_t d_id; /* user, project, or group ID */
159 u_int64_t d_blk_hardlimit; /* absolute limit on disk blks */
160 u_int64_t d_blk_softlimit; /* preferred limit on disk blks */
161 u_int64_t d_ino_hardlimit; /* maximum # allocated inodes */
162 u_int64_t d_ino_softlimit; /* preferred inode limit */
163 u_int64_t d_bcount; /* # disk blocks owned by the user */
164 u_int64_t d_icount; /* # inodes owned by the user */
165 int32_t d_itimer; /* zero if within inode limits */
166 int32_t d_btimer; /* similar to above; for disk blocks */
167 u_int16_t d_iwarns; /* # warnings issued wrt num inodes */
168 u_int16_t d_bwarns; /* # warnings issued wrt disk blocks */
169 int32_t d_padding2; /* padding2 - for future use */
170 u_int64_t d_rtb_hardlimit; /* absolute limit on realtime blks */
171 u_int64_t d_rtb_softlimit; /* preferred limit on RT disk blks */
172 u_int64_t d_rtbcount; /* # realtime blocks owned */
173 int32_t d_rtbtimer; /* similar to above; for RT disk blks */
174 u_int16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */
175 int16_t d_padding3; /* padding3 - for future use */
176 char d_padding4[8]; /* yet more padding */
177 };
178
179 /*
180 * Following flags are used to specify which fields are valid
181 */
182 #define IIF_BGRACE 1
183 #define IIF_IGRACE 2
184 #define IIF_FLAGS 4
185
186 #include "xlat/if_dqinfo_valid.h"
187
188 struct if_dqinfo
189 {
190 u_int64_t dqi_bgrace;
191 u_int64_t dqi_igrace;
192 u_int32_t dqi_flags;
193 u_int32_t dqi_valid;
194 };
195
196 struct v2_dqinfo
197 {
198 unsigned int dqi_bgrace;
199 unsigned int dqi_igrace;
200 unsigned int dqi_flags;
201 unsigned int dqi_blocks;
202 unsigned int dqi_free_blk;
203 unsigned int dqi_free_entry;
204 };
205
206 struct v1_dqstats
207 {
208 u_int32_t lookups;
209 u_int32_t drops;
210 u_int32_t reads;
211 u_int32_t writes;
212 u_int32_t cache_hits;
213 u_int32_t allocated_dquots;
214 u_int32_t free_dquots;
215 u_int32_t syncs;
216 };
217
218 struct v2_dqstats
219 {
220 u_int32_t lookups;
221 u_int32_t drops;
222 u_int32_t reads;
223 u_int32_t writes;
224 u_int32_t cache_hits;
225 u_int32_t allocated_dquots;
226 u_int32_t free_dquots;
227 u_int32_t syncs;
228 u_int32_t version;
229 };
230
231 typedef struct fs_qfilestat
232 {
233 u_int64_t qfs_ino; /* inode number */
234 u_int64_t qfs_nblks; /* number of BBs 512-byte-blks */
235 u_int32_t qfs_nextents; /* number of extents */
236 } fs_qfilestat_t;
237
238 struct xfs_dqstats
239 {
240 int8_t qs_version; /* version number for future changes */
241 u_int16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
242 int8_t qs_pad; /* unused */
243 fs_qfilestat_t qs_uquota; /* user quota storage information */
244 fs_qfilestat_t qs_gquota; /* group quota storage information */
245 u_int32_t qs_incoredqs; /* number of dquots incore */
246 int32_t qs_btimelimit; /* limit for blks timer */
247 int32_t qs_itimelimit; /* limit for inodes timer */
248 int32_t qs_rtbtimelimit; /* limit for rt blks timer */
249 u_int16_t qs_bwarnlimit; /* limit for num warnings */
250 u_int16_t qs_iwarnlimit; /* limit for num warnings */
251 };
252
253 static void
decode_cmd_data(struct tcb * tcp,u_int32_t cmd,unsigned long data)254 decode_cmd_data(struct tcb *tcp, u_int32_t cmd, unsigned long data)
255 {
256 switch (cmd) {
257 case Q_GETQUOTA:
258 case Q_SETQUOTA:
259 {
260 struct if_dqblk dq;
261
262 if (umove_or_printaddr(tcp, data, &dq))
263 break;
264 tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit);
265 tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit);
266 tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
267 tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit);
268 tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit);
269 tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes);
270 if (!abbrev(tcp)) {
271 tprintf("btime=%" PRIu64 ", ", dq.dqb_btime);
272 tprintf("itime=%" PRIu64 ", ", dq.dqb_itime);
273 tprints("valid=");
274 printflags(if_dqblk_valid,
275 dq.dqb_valid, "QIF_???");
276 tprints("}");
277 } else
278 tprints("...}");
279 break;
280 }
281 case Q_V1_GETQUOTA:
282 case Q_V1_SETQUOTA:
283 {
284 struct v1_dqblk dq;
285
286 if (umove_or_printaddr(tcp, data, &dq))
287 break;
288 tprintf("{bhardlimit=%u, ", dq.dqb_bhardlimit);
289 tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
290 tprintf("curblocks=%u, ", dq.dqb_curblocks);
291 tprintf("ihardlimit=%u, ", dq.dqb_ihardlimit);
292 tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
293 tprintf("curinodes=%u, ", dq.dqb_curinodes);
294 tprintf("btime=%lu, ", (long) dq.dqb_btime);
295 tprintf("itime=%lu}", (long) dq.dqb_itime);
296 break;
297 }
298 case Q_V2_GETQUOTA:
299 case Q_V2_SETQUOTA:
300 {
301 struct v2_dqblk dq;
302
303 if (umove_or_printaddr(tcp, data, &dq))
304 break;
305 tprintf("{ihardlimit=%u, ", dq.dqb_ihardlimit);
306 tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
307 tprintf("curinodes=%u, ", dq.dqb_curinodes);
308 tprintf("bhardlimit=%u, ", dq.dqb_bhardlimit);
309 tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
310 tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
311 tprintf("btime=%lu, ", (long) dq.dqb_btime);
312 tprintf("itime=%lu}", (long) dq.dqb_itime);
313 break;
314 }
315 case Q_XGETQUOTA:
316 case Q_XSETQLIM:
317 {
318 struct xfs_dqblk dq;
319
320 if (umove_or_printaddr(tcp, data, &dq))
321 break;
322 tprintf("{version=%d, ", dq.d_version);
323 tprints("flags=");
324 printflags(xfs_dqblk_flags,
325 dq.d_flags, "XFS_???_QUOTA");
326 tprintf(", fieldmask=%#x, ", dq.d_fieldmask);
327 tprintf("id=%u, ", dq.d_id);
328 tprintf("blk_hardlimit=%" PRIu64 ", ", dq.d_blk_hardlimit);
329 tprintf("blk_softlimit=%" PRIu64 ", ", dq.d_blk_softlimit);
330 tprintf("ino_hardlimit=%" PRIu64 ", ", dq.d_ino_hardlimit);
331 tprintf("ino_softlimit=%" PRIu64 ", ", dq.d_ino_softlimit);
332 tprintf("bcount=%" PRIu64 ", ", dq.d_bcount);
333 tprintf("icount=%" PRIu64 ", ", dq.d_icount);
334 if (!abbrev(tcp)) {
335 tprintf("itimer=%d, ", dq.d_itimer);
336 tprintf("btimer=%d, ", dq.d_btimer);
337 tprintf("iwarns=%u, ", dq.d_iwarns);
338 tprintf("bwarns=%u, ", dq.d_bwarns);
339 tprintf("rtbcount=%" PRIu64 ", ", dq.d_rtbcount);
340 tprintf("rtbtimer=%d, ", dq.d_rtbtimer);
341 tprintf("rtbwarns=%u}", dq.d_rtbwarns);
342 } else
343 tprints("...}");
344 break;
345 }
346 case Q_GETFMT:
347 {
348 u_int32_t fmt;
349
350 if (umove_or_printaddr(tcp, data, &fmt))
351 break;
352 tprints("{");
353 printxval(quota_formats, fmt, "QFMT_VFS_???");
354 tprints("}");
355 break;
356 }
357 case Q_GETINFO:
358 case Q_SETINFO:
359 {
360 struct if_dqinfo dq;
361
362 if (umove_or_printaddr(tcp, data, &dq))
363 break;
364 tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace);
365 tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace);
366 tprintf("flags=%#x, ", dq.dqi_flags);
367 tprints("valid=");
368 printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???");
369 tprints("}");
370 break;
371 }
372 case Q_V2_GETINFO:
373 case Q_V2_SETINFO:
374 {
375 struct v2_dqinfo dq;
376
377 if (umove_or_printaddr(tcp, data, &dq))
378 break;
379 tprintf("{bgrace=%u, ", dq.dqi_bgrace);
380 tprintf("igrace=%u, ", dq.dqi_igrace);
381 tprintf("flags=%#x, ", dq.dqi_flags);
382 tprintf("blocks=%u, ", dq.dqi_blocks);
383 tprintf("free_blk=%u, ", dq.dqi_free_blk);
384 tprintf("free_entry=%u}", dq.dqi_free_entry);
385 break;
386 }
387 case Q_V1_GETSTATS:
388 {
389 struct v1_dqstats dq;
390
391 if (umove_or_printaddr(tcp, data, &dq))
392 break;
393 tprintf("{lookups=%u, ", dq.lookups);
394 tprintf("drops=%u, ", dq.drops);
395 tprintf("reads=%u, ", dq.reads);
396 tprintf("writes=%u, ", dq.writes);
397 tprintf("cache_hits=%u, ", dq.cache_hits);
398 tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
399 tprintf("free_dquots=%u, ", dq.free_dquots);
400 tprintf("syncs=%u}", dq.syncs);
401 break;
402 }
403 case Q_V2_GETSTATS:
404 {
405 struct v2_dqstats dq;
406
407 if (umove_or_printaddr(tcp, data, &dq))
408 break;
409 tprintf("{lookups=%u, ", dq.lookups);
410 tprintf("drops=%u, ", dq.drops);
411 tprintf("reads=%u, ", dq.reads);
412 tprintf("writes=%u, ", dq.writes);
413 tprintf("cache_hits=%u, ", dq.cache_hits);
414 tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
415 tprintf("free_dquots=%u, ", dq.free_dquots);
416 tprintf("syncs=%u, ", dq.syncs);
417 tprintf("version=%u}", dq.version);
418 break;
419 }
420 case Q_XGETQSTAT:
421 {
422 struct xfs_dqstats dq;
423
424 if (umove_or_printaddr(tcp, data, &dq))
425 break;
426 tprintf("{version=%d, ", dq.qs_version);
427 if (abbrev(tcp)) {
428 tprints("...}");
429 break;
430 }
431 tprints("flags=");
432 printflags(xfs_quota_flags,
433 dq.qs_flags, "XFS_QUOTA_???");
434 tprintf(", incoredqs=%u, ", dq.qs_incoredqs);
435 tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino);
436 tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks);
437 tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents);
438 tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino);
439 tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks);
440 tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents);
441 tprintf("btimelimit=%d, ", dq.qs_btimelimit);
442 tprintf("itimelimit=%d, ", dq.qs_itimelimit);
443 tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit);
444 tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit);
445 tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit);
446 break;
447 }
448 case Q_XQUOTAON:
449 {
450 u_int32_t flag;
451
452 if (umove_or_printaddr(tcp, data, &flag))
453 break;
454 tprints("{");
455 printflags(xfs_quota_flags, flag, "XFS_QUOTA_???");
456 tprints("}");
457 break;
458 }
459 default:
460 printaddr(data);
461 break;
462 }
463 }
464
SYS_FUNC(quotactl)465 SYS_FUNC(quotactl)
466 {
467 /*
468 * The Linux kernel only looks at the low 32 bits of command and id
469 * arguments, but on some 64-bit architectures (s390x) this word
470 * will have been sign-extended when we see it. The high 1 bits
471 * don't mean anything, so don't confuse the output with them.
472 */
473 u_int32_t qcmd = tcp->u_arg[0];
474 u_int32_t cmd = QCMD_CMD(qcmd);
475 u_int32_t type = QCMD_TYPE(qcmd);
476 u_int32_t id = tcp->u_arg[2];
477
478 if (entering(tcp)) {
479 printxval(quotacmds, cmd, "Q_???");
480 tprints("|");
481 printxval(quotatypes, type, "???QUOTA");
482 tprints(", ");
483 printpath(tcp, tcp->u_arg[1]);
484 tprints(", ");
485 switch (cmd) {
486 case Q_V1_QUOTAON:
487 case Q_QUOTAON:
488 printxval(quota_formats, id, "QFMT_VFS_???");
489 break;
490 case Q_V1_GETQUOTA:
491 case Q_V2_GETQUOTA:
492 case Q_GETQUOTA:
493 case Q_XGETQUOTA:
494 tprintf("%u", id);
495 break;
496 case Q_SETQLIM:
497 case Q_SETQUOTA:
498 case Q_V1_SETQUOTA:
499 case Q_V1_SETUSE:
500 case Q_V2_SETQUOTA:
501 case Q_V2_SETUSE:
502 case Q_XSETQLIM:
503 tprintf("%u, ", id);
504 case Q_SETINFO:
505 case Q_V2_SETFLAGS:
506 case Q_V2_SETGRACE:
507 case Q_V2_SETINFO:
508 decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
509 return RVAL_DECODED;
510 break;
511 default:
512 printaddr(tcp->u_arg[2]);
513 break;
514 }
515 tprints(", ");
516 } else {
517 decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
518 }
519 return 0;
520 }
521