123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635 |
- /*-
- * SPDX-License-Identifier: BSD-4-Clause
- *
- * Copyright (C) 1991, 1994 Wolfgang Solfrank.
- * Copyright (C) 1991, 1994 TooLs GmbH.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by TooLs GmbH.
- * 4. The name of TooLs GmbH may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <sys/param.h>
- #include <sys/stdint.h>
- #include <sys/mount.h>
- #include <sys/disklabel.h>
- #include <ufs/ufs/dinode.h>
- #include <ufs/ffs/fs.h>
- #include <err.h>
- #include <fcntl.h>
- #include <fstab.h>
- #include <errno.h>
- #include <libufs.h>
- #include <paths.h>
- #include <pwd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
- #include <unistd.h>
- /* some flags of what to do: */
- static char estimate;
- static char count;
- static char unused;
- static void (*func)(int, struct fs *, char *);
- static long blocksize;
- static char *header;
- static int headerlen;
- static union dinode *get_inode(int, struct fs *, ino_t);
- static int virtualblocks(struct fs *, union dinode *);
- static int isfree(struct fs *, union dinode *);
- static void inituser(void);
- static void usrrehash(void);
- static struct user *user(uid_t);
- static int cmpusers(const void *, const void *);
- static void uses(uid_t, daddr_t, time_t);
- static void initfsizes(void);
- static void dofsizes(int, struct fs *, char *);
- static void douser(int, struct fs *, char *);
- static void donames(int, struct fs *, char *);
- static void usage(void);
- static void quot(char *, char *);
- /*
- * Original BSD quot doesn't round to number of frags/blocks,
- * doesn't account for indirection blocks and gets it totally
- * wrong if the size is a multiple of the blocksize.
- * The new code always counts the number of 512 byte blocks
- * instead of the number of kilobytes and converts them to
- * kByte when done (on request).
- *
- * Due to the size of modern disks, we must cast intermediate
- * values to 64 bits to prevent potential overflows.
- */
- #ifdef COMPAT
- #define SIZE(n) (n)
- #else
- #define SIZE(n) ((int)(((quad_t)(n) * 512 + blocksize - 1)/blocksize))
- #endif
- #define INOCNT(fs) ((fs)->fs_ipg)
- #define INOSZ(fs) \
- (((fs)->fs_magic == FS_UFS1_MAGIC ? sizeof(struct ufs1_dinode) : \
- sizeof(struct ufs2_dinode)) * INOCNT(fs))
- union dinode {
- struct ufs1_dinode dp1;
- struct ufs2_dinode dp2;
- };
- #define DIP(fs, dp, field) \
- (((fs)->fs_magic == FS_UFS1_MAGIC) ? \
- (dp)->dp1.field : (dp)->dp2.field)
- static union dinode *
- get_inode(int fd, struct fs *super, ino_t ino)
- {
- static caddr_t ipbuf;
- static struct cg *cgp;
- static ino_t last;
- static int cg;
- struct ufs2_dinode *di2;
- if (fd < 0) { /* flush cache */
- if (ipbuf) {
- free(ipbuf);
- ipbuf = 0;
- if (super != NULL && super->fs_magic == FS_UFS2_MAGIC) {
- free(cgp);
- cgp = 0;
- }
- }
- return 0;
- }
- if (!ipbuf || ino < last || ino >= last + INOCNT(super)) {
- if (super->fs_magic == FS_UFS2_MAGIC &&
- (!cgp || cg != ino_to_cg(super, ino))) {
- cg = ino_to_cg(super, ino);
- if (!cgp && !(cgp = malloc(super->fs_cgsize)))
- errx(1, "allocate cg");
- if (lseek(fd, (off_t)cgtod(super, cg) << super->fs_fshift, 0) < 0)
- err(1, "lseek cg");
- if (read(fd, cgp, super->fs_cgsize) != super->fs_cgsize)
- err(1, "read cg");
- if (!cg_chkmagic(cgp))
- errx(1, "cg has bad magic");
- }
- if (!ipbuf
- && !(ipbuf = malloc(INOSZ(super))))
- errx(1, "allocate inodes");
- last = rounddown(ino, INOCNT(super));
- if (lseek(fd, (off_t)ino_to_fsba(super, last) << super->fs_fshift, 0) < (off_t)0
- || read(fd, ipbuf, INOSZ(super)) != (ssize_t)INOSZ(super))
- err(1, "read inodes");
- }
- if (super->fs_magic == FS_UFS1_MAGIC)
- return ((union dinode *)
- &((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
- di2 = &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)];
- /* If the inode is unused, it might be unallocated too, so zero it. */
- if (isclr(cg_inosused(cgp), ino % super->fs_ipg))
- bzero(di2, sizeof (*di2));
- return ((union dinode *)di2);
- }
- #ifdef COMPAT
- #define actualblocks(fs, dp) (DIP(fs, dp, di_blocks) / 2)
- #else
- #define actualblocks(fs, dp) DIP(fs, dp, di_blocks)
- #endif
- static int virtualblocks(struct fs *super, union dinode *dp)
- {
- off_t nblk, sz;
- sz = DIP(super, dp, di_size);
- #ifdef COMPAT
- if (lblkno(super,sz) >= UFS_NDADDR) {
- nblk = blkroundup(super,sz);
- if (sz == nblk)
- nblk += super->fs_bsize;
- }
- return sz / 1024;
- #else /* COMPAT */
- if (lblkno(super,sz) >= UFS_NDADDR) {
- nblk = blkroundup(super,sz);
- sz = lblkno(super,nblk);
- sz = (sz - UFS_NDADDR + NINDIR(super) - 1) / NINDIR(super);
- while (sz > 0) {
- nblk += sz * super->fs_bsize;
- /* sz - 1 rounded up */
- sz = (sz - 1 + NINDIR(super) - 1) / NINDIR(super);
- }
- } else
- nblk = fragroundup(super,sz);
- return nblk / 512;
- #endif /* COMPAT */
- }
- static int
- isfree(struct fs *super, union dinode *dp)
- {
- #ifdef COMPAT
- return (DIP(super, dp, di_mode) & IFMT) == 0;
- #else /* COMPAT */
- switch (DIP(super, dp, di_mode) & IFMT) {
- case IFIFO:
- case IFLNK: /* should check FASTSYMLINK? */
- case IFDIR:
- case IFREG:
- return 0;
- case IFCHR:
- case IFBLK:
- case IFSOCK:
- case IFWHT:
- case 0:
- return 1;
- default:
- errx(1, "unknown IFMT 0%o", DIP(super, dp, di_mode) & IFMT);
- }
- #endif
- }
- static struct user {
- uid_t uid;
- char *name;
- daddr_t space;
- long count;
- daddr_t spc30;
- daddr_t spc60;
- daddr_t spc90;
- } *users;
- static int nusers;
- static void
- inituser(void)
- {
- int i;
- struct user *usr;
- if (!nusers) {
- nusers = 8;
- if (!(users =
- (struct user *)calloc(nusers,sizeof(struct user))))
- errx(1, "allocate users");
- } else {
- for (usr = users, i = nusers; --i >= 0; usr++) {
- usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0;
- usr->count = 0;
- }
- }
- }
- static void
- usrrehash(void)
- {
- int i;
- struct user *usr, *usrn;
- struct user *svusr;
- svusr = users;
- nusers <<= 1;
- if (!(users = (struct user *)calloc(nusers,sizeof(struct user))))
- errx(1, "allocate users");
- for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) {
- for (usrn = users + (usr->uid&(nusers - 1)); usrn->name;
- usrn--) {
- if (usrn <= users)
- usrn = users + nusers;
- }
- *usrn = *usr;
- }
- }
- static struct user *
- user(uid_t uid)
- {
- struct user *usr;
- int i;
- struct passwd *pwd;
- while (1) {
- for (usr = users + (uid&(nusers - 1)), i = nusers; --i >= 0;
- usr--) {
- if (!usr->name) {
- usr->uid = uid;
- if (!(pwd = getpwuid(uid))) {
- if ((usr->name = (char *)malloc(7)))
- sprintf(usr->name,"#%d",uid);
- } else {
- if ((usr->name = (char *)
- malloc(strlen(pwd->pw_name) + 1)))
- strcpy(usr->name,pwd->pw_name);
- }
- if (!usr->name)
- errx(1, "allocate users");
- return usr;
- } else if (usr->uid == uid)
- return usr;
- if (usr <= users)
- usr = users + nusers;
- }
- usrrehash();
- }
- }
- static int
- cmpusers(const void *v1, const void *v2)
- {
- const struct user *u1, *u2;
- u1 = (const struct user *)v1;
- u2 = (const struct user *)v2;
- return u2->space - u1->space;
- }
- #define sortusers(users) (qsort((users),nusers,sizeof(struct user), \
- cmpusers))
- static void
- uses(uid_t uid, daddr_t blks, time_t act)
- {
- static time_t today;
- struct user *usr;
- if (!today)
- time(&today);
- usr = user(uid);
- usr->count++;
- usr->space += blks;
- if (today - act > 90L * 24L * 60L * 60L)
- usr->spc90 += blks;
- if (today - act > 60L * 24L * 60L * 60L)
- usr->spc60 += blks;
- if (today - act > 30L * 24L * 60L * 60L)
- usr->spc30 += blks;
- }
- #ifdef COMPAT
- #define FSZCNT 500
- #else
- #define FSZCNT 512
- #endif
- struct fsizes {
- struct fsizes *fsz_next;
- daddr_t fsz_first, fsz_last;
- ino_t fsz_count[FSZCNT];
- daddr_t fsz_sz[FSZCNT];
- } *fsizes;
- static void
- initfsizes(void)
- {
- struct fsizes *fp;
- int i;
- for (fp = fsizes; fp; fp = fp->fsz_next) {
- for (i = FSZCNT; --i >= 0;) {
- fp->fsz_count[i] = 0;
- fp->fsz_sz[i] = 0;
- }
- }
- }
- static void
- dofsizes(int fd, struct fs *super, char *name)
- {
- ino_t inode, maxino;
- union dinode *dp;
- daddr_t sz, ksz;
- struct fsizes *fp, **fsp;
- int i;
- maxino = super->fs_ncg * super->fs_ipg - 1;
- #ifdef COMPAT
- if (!(fsizes = (struct fsizes *)malloc(sizeof(struct fsizes))))
- errx(1, "allocate fsize structure");
- #endif /* COMPAT */
- for (inode = 0; inode < maxino; inode++) {
- errno = 0;
- if ((dp = get_inode(fd,super,inode))
- #ifdef COMPAT
- && ((DIP(super, dp, di_mode) & IFMT) == IFREG
- || (DIP(super, dp, di_mode) & IFMT) == IFDIR)
- #else /* COMPAT */
- && !isfree(super, dp)
- #endif /* COMPAT */
- ) {
- sz = estimate ? virtualblocks(super, dp) :
- actualblocks(super, dp);
- #ifdef COMPAT
- if (sz >= FSZCNT) {
- fsizes->fsz_count[FSZCNT-1]++;
- fsizes->fsz_sz[FSZCNT-1] += sz;
- } else {
- fsizes->fsz_count[sz]++;
- fsizes->fsz_sz[sz] += sz;
- }
- #else /* COMPAT */
- ksz = SIZE(sz);
- for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) {
- if (ksz < fp->fsz_last)
- break;
- }
- if (!fp || ksz < fp->fsz_first) {
- if (!(fp = (struct fsizes *)
- malloc(sizeof(struct fsizes))))
- errx(1, "allocate fsize structure");
- fp->fsz_next = *fsp;
- *fsp = fp;
- fp->fsz_first = rounddown(ksz, FSZCNT);
- fp->fsz_last = fp->fsz_first + FSZCNT;
- for (i = FSZCNT; --i >= 0;) {
- fp->fsz_count[i] = 0;
- fp->fsz_sz[i] = 0;
- }
- }
- fp->fsz_count[ksz % FSZCNT]++;
- fp->fsz_sz[ksz % FSZCNT] += sz;
- #endif /* COMPAT */
- } else if (errno) {
- err(1, "%s", name);
- }
- }
- sz = 0;
- for (fp = fsizes; fp; fp = fp->fsz_next) {
- for (i = 0; i < FSZCNT; i++) {
- if (fp->fsz_count[i])
- printf("%jd\t%jd\t%d\n",
- (intmax_t)(fp->fsz_first + i),
- (intmax_t)fp->fsz_count[i],
- SIZE(sz += fp->fsz_sz[i]));
- }
- }
- }
- static void
- douser(int fd, struct fs *super, char *name)
- {
- ino_t inode, maxino;
- struct user *usr, *usrs;
- union dinode *dp;
- int n;
- maxino = super->fs_ncg * super->fs_ipg - 1;
- for (inode = 0; inode < maxino; inode++) {
- errno = 0;
- if ((dp = get_inode(fd,super,inode))
- && !isfree(super, dp))
- uses(DIP(super, dp, di_uid),
- estimate ? virtualblocks(super, dp) :
- actualblocks(super, dp),
- DIP(super, dp, di_atime));
- else if (errno) {
- err(1, "%s", name);
- }
- }
- if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user))))
- errx(1, "allocate users");
- bcopy(users,usrs,nusers * sizeof(struct user));
- sortusers(usrs);
- for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
- printf("%5d",SIZE(usr->space));
- if (count)
- printf("\t%5ld",usr->count);
- printf("\t%-8s",usr->name);
- if (unused)
- printf("\t%5d\t%5d\t%5d",
- SIZE(usr->spc30),
- SIZE(usr->spc60),
- SIZE(usr->spc90));
- printf("\n");
- }
- free(usrs);
- }
- static void
- donames(int fd, struct fs *super, char *name)
- {
- int c;
- ino_t maxino;
- uintmax_t inode;
- union dinode *dp;
- maxino = super->fs_ncg * super->fs_ipg - 1;
- /* first skip the name of the filesystem */
- while ((c = getchar()) != EOF && (c < '0' || c > '9'))
- while ((c = getchar()) != EOF && c != '\n');
- ungetc(c,stdin);
- while (scanf("%ju", &inode) == 1) {
- if (inode > maxino) {
- warnx("illegal inode %ju", inode);
- return;
- }
- errno = 0;
- if ((dp = get_inode(fd,super,inode))
- && !isfree(super, dp)) {
- printf("%s\t",user(DIP(super, dp, di_uid))->name);
- /* now skip whitespace */
- while ((c = getchar()) == ' ' || c == '\t');
- /* and print out the remainder of the input line */
- while (c != EOF && c != '\n') {
- putchar(c);
- c = getchar();
- }
- putchar('\n');
- } else {
- if (errno) {
- err(1, "%s", name);
- }
- /* skip this line */
- while ((c = getchar()) != EOF && c != '\n');
- }
- if (c == EOF)
- break;
- }
- }
- static void
- usage(void)
- {
- #ifdef COMPAT
- fprintf(stderr, "usage: quot [-cfhnv] [-a | filesystem ...]\n");
- #else /* COMPAT */
- fprintf(stderr, "usage: quot [-cfhknv] [-a | filesystem ...]\n");
- #endif /* COMPAT */
- exit(1);
- }
- void
- quot(char *name, char *mp)
- {
- int fd;
- struct fs *fs;
- get_inode(-1, NULL, 0); /* flush cache */
- inituser();
- initfsizes();
- if ((fd = open(name,0)) < 0) {
- warn("%s", name);
- close(fd);
- return;
- }
- switch (errno = sbget(fd, &fs, UFS_STDSB, UFS_NOCSUM)) {
- case 0:
- break;
- case ENOENT:
- warn("Cannot find file system superblock");
- close(fd);
- return;
- default:
- warn("Unable to read file system superblock");
- close(fd);
- return;
- }
- printf("%s:",name);
- if (mp)
- printf(" (%s)",mp);
- putchar('\n');
- (*func)(fd, fs, name);
- free(fs);
- close(fd);
- }
- int
- main(int argc, char *argv[])
- {
- char all = 0;
- struct statfs *mp;
- struct fstab *fs;
- int cnt;
- int ch;
- func = douser;
- #ifndef COMPAT
- header = getbsize(&headerlen,&blocksize);
- #endif
- while ((ch = getopt(argc, argv, "acfhknv")) != -1) {
- switch (ch) {
- case 'a':
- all = 1;
- break;
- case 'c':
- func = dofsizes;
- break;
- case 'f':
- count = 1;
- break;
- case 'h':
- estimate = 1;
- break;
- #ifndef COMPAT
- case 'k':
- blocksize = 1024;
- break;
- #endif /* COMPAT */
- case 'n':
- func = donames;
- break;
- case 'v':
- unused = 1;
- break;
- default:
- usage();
- }
- }
- argc -= optind;
- argv += optind;
- if ((argc == 0 && !all) || (all && argc))
- usage();
- if (all) {
- cnt = getmntinfo(&mp,MNT_NOWAIT);
- for (; --cnt >= 0; mp++) {
- if (!strncmp(mp->f_fstypename, "ufs", MFSNAMELEN))
- quot(mp->f_mntfromname, mp->f_mntonname);
- }
- }
- while (--argc >= 0) {
- if ((fs = getfsfile(*argv)) != NULL)
- quot(fs->fs_spec, 0);
- else
- quot(*argv,0);
- argv++;
- }
- return 0;
- }
|