2 * Copyright (C) 1991, 1994 Wolfgang Solfrank.
3 * Copyright (C) 1991, 1994 TooLs GmbH.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by TooLs GmbH.
17 * 4. The name of TooLs GmbH may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $FreeBSD: src/usr.sbin/quot/quot.c,v 1.11.2.4 2002/03/15 18:12:41 mikeh Exp $
32 * $DragonFly: src/usr.sbin/quot/quot.c,v 1.5 2005/12/05 02:40:28 swildner Exp $
35 #include <sys/param.h>
36 #include <sys/mount.h>
38 #include <vfs/ufs/fs.h>
39 #include <vfs/ufs/quota.h>
40 #include <vfs/ufs/inode.h>
53 /* some flags of what to do: */
57 static void (*func)(int, struct fs *, char *);
58 static long blocksize;
62 static struct dinode *get_inode(int, struct fs *, ino_t);
63 static int virtualblocks(struct fs *, struct dinode *);
64 static int isfree(struct dinode *);
65 static void inituser(void);
66 static void usrrehash(void);
67 static struct user *user(uid_t);
68 static int cmpusers(const void *, const void *);
69 static void uses(uid_t, daddr_t, time_t);
70 static void initfsizes(void);
71 static void dofsizes(int, struct fs *, char *);
72 static void douser(int, struct fs *, char *);
73 static void donames(int, struct fs *, char *);
74 static void usage(void);
75 static void quot(char *, char *);
78 * Original BSD quot doesn't round to number of frags/blocks,
79 * doesn't account for indirection blocks and gets it totally
80 * wrong if the size is a multiple of the blocksize.
81 * The new code always counts the number of 512 byte blocks
82 * instead of the number of kilobytes and converts them to
83 * kByte when done (on request).
85 * Due to the size of modern disks, we must cast intermediate
86 * values to 64 bits to prevent potential overflows.
91 #define SIZE(n) ((int)(((quad_t)(n) * 512 + blocksize - 1)/blocksize))
94 #define INOCNT(fs) ((fs)->fs_ipg)
95 #define INOSZ(fs) (sizeof(struct dinode) * INOCNT(fs))
97 static struct dinode *
98 get_inode(int fd, struct fs *super, ino_t ino)
100 static struct dinode *ip;
103 if (fd < 0) { /* flush cache */
111 if (!ip || ino < last || ino >= last + INOCNT(super)) {
113 && !(ip = (struct dinode *)malloc(INOSZ(super))))
114 errx(1, "allocate inodes");
115 last = (ino / INOCNT(super)) * INOCNT(super);
116 if (lseek(fd, (off_t)ino_to_fsba(super, last) << super->fs_fshift, 0) < (off_t)0
117 || read(fd,ip,INOSZ(super)) != (ssize_t)INOSZ(super))
118 err(1, "read inodes");
121 return ip + ino % INOCNT(super);
125 #define actualblocks(super,ip) ((ip)->di_blocks/2)
127 #define actualblocks(super,ip) ((ip)->di_blocks)
131 virtualblocks(struct fs *super, struct dinode *ip)
137 if (lblkno(super,sz) >= NDADDR) {
138 nblk = blkroundup(super,sz);
140 nblk += super->fs_bsize;
147 if (lblkno(super,sz) >= NDADDR) {
148 nblk = blkroundup(super,sz);
149 sz = lblkno(super,nblk);
150 sz = (sz - NDADDR + NINDIR(super) - 1) / NINDIR(super);
152 nblk += sz * super->fs_bsize;
153 /* sz - 1 rounded up */
154 sz = (sz - 1 + NINDIR(super) - 1) / NINDIR(super);
157 nblk = fragroundup(super,sz);
164 isfree(struct dinode *ip)
167 return (ip->di_mode&IFMT) == 0;
170 switch (ip->di_mode&IFMT) {
172 case IFLNK: /* should check FASTSYMLINK? */
202 (struct user *)calloc(nusers,sizeof(struct user))))
203 errx(1, "allocate users");
205 for (usr = users, i = nusers; --i >= 0; usr++) {
206 usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0;
216 struct user *usr, *usrn;
221 if (!(users = (struct user *)calloc(nusers,sizeof(struct user))))
222 errx(1, "allocate users");
223 for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) {
224 for (usrn = users + (usr->uid&(nusers - 1)); usrn->name;
227 usrn = users + nusers;
241 for (usr = users + (uid&(nusers - 1)), i = nusers; --i >= 0;
246 if (!(pwd = getpwuid(uid))) {
247 if ((usr->name = (char *)malloc(7)))
248 sprintf(usr->name,"#%d",uid);
250 if ((usr->name = (char *)
251 malloc(strlen(pwd->pw_name) + 1)))
252 strcpy(usr->name,pwd->pw_name);
255 errx(1, "allocate users");
259 } else if (usr->uid == uid)
263 usr = users + nusers;
270 cmpusers(const void *v1, const void *v2)
272 const struct user *u1, *u2;
273 u1 = (const struct user *)v1;
274 u2 = (const struct user *)v2;
276 return u2->space - u1->space;
279 #define sortusers(users) (qsort((users),nusers,sizeof(struct user), \
283 uses(uid_t uid, daddr_t blks, time_t act)
295 if (today - act > 90L * 24L * 60L * 60L)
297 if (today - act > 60L * 24L * 60L * 60L)
299 if (today - act > 30L * 24L * 60L * 60L)
309 struct fsizes *fsz_next;
310 daddr_t fsz_first, fsz_last;
311 ino_t fsz_count[FSZCNT];
312 daddr_t fsz_sz[FSZCNT];
321 for (fp = fsizes; fp; fp = fp->fsz_next) {
322 for (i = FSZCNT; --i >= 0;) {
323 fp->fsz_count[i] = 0;
330 dofsizes(int fd, struct fs *super, char *name)
335 struct fsizes *fp, **fsp;
338 maxino = super->fs_ncg * super->fs_ipg - 1;
340 if (!(fsizes = (struct fsizes *)malloc(sizeof(struct fsizes))))
341 errx(1, "allocate fsize structure");
343 for (inode = 0; inode < maxino; inode++) {
345 if ((ip = get_inode(fd,super,inode))
347 && ((ip->di_mode&IFMT) == IFREG
348 || (ip->di_mode&IFMT) == IFDIR)
353 sz = estimate ? virtualblocks(super,ip) :
354 actualblocks(super,ip);
357 fsizes->fsz_count[FSZCNT-1]++;
358 fsizes->fsz_sz[FSZCNT-1] += sz;
360 fsizes->fsz_count[sz]++;
361 fsizes->fsz_sz[sz] += sz;
365 for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) {
366 if (ksz < fp->fsz_last)
369 if (!fp || ksz < fp->fsz_first) {
370 if (!(fp = (struct fsizes *)
371 malloc(sizeof(struct fsizes))))
372 errx(1, "allocate fsize structure");
375 fp->fsz_first = (ksz / FSZCNT) * FSZCNT;
376 fp->fsz_last = fp->fsz_first + FSZCNT;
377 for (i = FSZCNT; --i >= 0;) {
378 fp->fsz_count[i] = 0;
382 fp->fsz_count[ksz % FSZCNT]++;
383 fp->fsz_sz[ksz % FSZCNT] += sz;
390 for (fp = fsizes; fp; fp = fp->fsz_next) {
391 for (i = 0; i < FSZCNT; i++) {
392 if (fp->fsz_count[i])
393 printf("%d\t%d\t%d\n",fp->fsz_first + i,
395 SIZE(sz += fp->fsz_sz[i]));
401 douser(int fd, struct fs *super, char *name)
404 struct user *usr, *usrs;
408 maxino = super->fs_ncg * super->fs_ipg - 1;
409 for (inode = 0; inode < maxino; inode++) {
411 if ((ip = get_inode(fd,super,inode))
414 estimate ? virtualblocks(super,ip) :
415 actualblocks(super,ip),
421 if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user))))
422 errx(1, "allocate users");
423 bcopy(users,usrs,nusers * sizeof(struct user));
425 for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
426 printf("%5d",SIZE(usr->space));
428 printf("\t%5ld",usr->count);
429 printf("\t%-8s",usr->name);
431 printf("\t%5d\t%5d\t%5d",
441 donames(int fd, struct fs *super, char *name)
448 maxino = super->fs_ncg * super->fs_ipg - 1;
449 /* first skip the name of the filesystem */
450 while ((c = getchar()) != EOF && (c < '0' || c > '9'))
451 while ((c = getchar()) != EOF && c != '\n');
454 while (scanf("%u",&inode) == 1) {
455 if (inode > maxino) {
456 warnx("illegal inode %d",inode);
460 if ((ip = get_inode(fd,super,inode))
462 printf("%s\t",user(ip->di_uid)->name);
463 /* now skip whitespace */
464 while ((c = getchar()) == ' ' || c == '\t');
465 /* and print out the remainder of the input line */
466 while (c != EOF && c != '\n') {
477 while ((c = getchar()) != EOF && c != '\n');
488 fprintf(stderr,"usage: quot [-nfcvha] [filesystem ...]\n");
490 fprintf(stderr,"usage: quot [-acfhknv] [filesystem ...]\n");
495 static char superblock[SBSIZE];
498 quot(char *name, char *mp)
502 get_inode(-1, NULL, 0); /* flush cache */
505 if ((fd = open(name,0)) < 0
506 || lseek(fd,SBOFF,0) != SBOFF
507 || read(fd,superblock,SBSIZE) != SBSIZE) {
512 if (((struct fs *)superblock)->fs_magic != FS_MAGIC) {
513 warnx("%s: not a BSD filesystem",name);
521 (*func)(fd,(struct fs *)superblock,name);
526 main(int argc, char **argv)
531 char dev[MNAMELEN + 1];
537 header = getbsize(&headerlen,&blocksize);
539 while (--argc > 0 && **++argv == '-') {
571 cnt = getmntinfo(&mp,MNT_NOWAIT);
572 for (; --cnt >= 0; mp++) {
573 if (!strncmp(mp->f_fstypename, "ufs", MFSNAMELEN)) {
574 if ((nm = strrchr(mp->f_mntfromname,'/'))) {
575 sprintf(dev,"%s%s",_PATH_DEV,nm + 1);
578 nm = mp->f_mntfromname;
579 quot(nm,mp->f_mntonname);
583 while (--argc >= 0) {
584 if ((fs = getfsfile(*argv)) != NULL)
585 quot(fs->fs_spec, 0);