NetBSD-5.0.2/usr.sbin/quot/quot.c
/* $NetBSD: quot.c,v 1.27 2007/07/17 22:00:46 christos Exp $ */
/*
* 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/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: quot.c,v 1.27 2007/07/17 22:00:46 christos Exp $");
#endif /* not lint */
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/time.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* some flags of what to do: */
static char estimate;
static char count;
static char unused;
static void (*func) __P((int, struct fs *, char *));
static long blocksize;
static char *header;
/*
* 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 DEV_BSIZE byte blocks
* instead of the number of kilobytes and converts them to
* kByte when done (on request).
*/
#ifdef COMPAT
#define SIZE(n) ((long long)(n))
#else
#define SIZE(n) howmany((long long)(n) * DEV_BSIZE, (long long)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.di_##field : (dp)->dp2.di_##field)
static int cmpusers __P((const void *, const void *));
static void dofsizes __P((int, struct fs *, char *));
static void donames __P((int, struct fs *, char *));
static void douser __P((int, struct fs *, char *));
static union dinode *get_inode __P((int, struct fs*, ino_t));
static void ffs_oldfscompat __P((struct fs *));
static void initfsizes __P((void));
static void inituser __P((void));
static int isfree __P((struct fs *, union dinode *));
int main __P((int, char **));
void quot __P((char *, char *));
static void usage __P((void));
static struct user *user __P((uid_t));
static void uses __P((uid_t, daddr_t, time_t));
static void usrrehash __P((void));
static int virtualblocks __P((struct fs *, union dinode *));
static union dinode *
get_inode(fd, super, ino)
int fd;
struct fs *super;
ino_t ino;
{
static char *ipbuf;
static ino_t last;
if (fd < 0) { /* flush cache */
if (ipbuf) {
free(ipbuf);
ipbuf = NULL;
}
return 0;
}
if (!ipbuf || ino < last || ino >= last + INOCNT(super)) {
if (!ipbuf
&& !(ipbuf = malloc(INOSZ(super))))
errx(1, "allocate inodes");
last = (ino / INOCNT(super)) * INOCNT(super);
if (lseek(fd,
(off_t)ino_to_fsba(super, last) << super->fs_fshift,
0) < 0 ||
read(fd, ipbuf, INOSZ(super)) != INOSZ(super))
errx(1, "read inodes");
}
if (super->fs_magic == FS_UFS1_MAGIC)
return ((union dinode *)
&((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
return ((union dinode *)
&((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)]);
}
#ifdef COMPAT
#define actualblocks(fs, dp) (DIP(fs, dp, blocks) / 2)
#else
#define actualblocks(fs, dp) (DIP(fs, dp, blocks))
#endif
static int
virtualblocks(super, dp)
struct fs *super;
union dinode *dp;
{
off_t nblk, sz;
sz = DIP(super, dp, size);
#ifdef COMPAT
if (lblkno(super, sz) >= NDADDR) {
nblk = blkroundup(super, sz);
if (sz == nblk)
nblk += super->fs_bsize;
}
return sz / 1024;
#else /* COMPAT */
if (lblkno(super, sz) >= NDADDR) {
nblk = blkroundup(super, sz);
sz = lblkno(super, nblk);
sz = howmany(sz - NDADDR, NINDIR(super));
while (sz > 0) {
nblk += sz * super->fs_bsize;
/* One block on this level is in the inode itself */
sz = howmany(sz - 1, NINDIR(super));
}
} else
nblk = fragroundup(super, sz);
return nblk / DEV_BSIZE;
#endif /* COMPAT */
}
static int
isfree(fs, dp)
struct fs *fs;
union dinode *dp;
{
#ifdef COMPAT
return (DIP(fs, dp, mode) & IFMT) == 0;
#else /* COMPAT */
switch (DIP(fs, dp, mode) & IFMT) {
case IFIFO:
case IFLNK: /* should check FASTSYMLINK? */
case IFDIR:
case IFREG:
return 0;
default:
return 1;
}
#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()
{
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()
{
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)
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)) != NULL)
sprintf(usr->name, "#%d", uid);
} else {
if ((usr->name =
(char *)malloc(
strlen(pwd->pw_name) + 1))
!= NULL)
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(u1, u2)
const void *u1, *u2;
{
return ((struct user *)u2)->space - ((struct user *)u1)->space;
}
#define sortusers(users) (qsort((users), nusers, sizeof(struct user), \
cmpusers))
static void
uses(uid, blks, act)
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()
{
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(fd, super, name)
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, "alloc fsize structure");
#endif /* COMPAT */
for (inode = 0; inode < maxino; inode++) {
errno = 0;
if ((dp = get_inode(fd, super, inode))
#ifdef COMPAT
&& ((DIP(super, dp, mode) & IFMT) == IFREG
|| (DIP(dp, 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) != NULL;
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, "alloc fsize structure");
fp->fsz_next = *fsp;
*fsp = fp;
fp->fsz_first = (ksz / FSZCNT) * 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)
errx(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("%ld\t%ld\t%lld\n",
(long)(fp->fsz_first + i),
(long)fp->fsz_count[i],
SIZE(sz += fp->fsz_sz[i]));
}
}
}
static void
douser(fd, super, name)
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, uid),
estimate ? virtualblocks(super, dp) :
actualblocks(super, dp), DIP(super, dp, atime));
else if (errno)
errx(1, "%s", name);
}
if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user))))
errx(1, "allocate users");
memmove(usrs, users, nusers * sizeof(struct user));
sortusers(usrs);
for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
printf("%5lld", SIZE(usr->space));
if (count)
printf("\t%5ld", usr->count);
printf("\t%-8s", usr->name);
if (unused)
printf("\t%5lld\t%5lld\t%5lld",
SIZE(usr->spc30), SIZE(usr->spc60),
SIZE(usr->spc90));
printf("\n");
}
free(usrs);
}
static void
donames(fd, super, name)
int fd;
struct fs *super;
char *name;
{
int c;
ino_t inode, inode1;
ino_t maxino;
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);
inode1 = -1;
while (scanf("%" SCNu64, &inode) == 1) {
if (inode < 0 || inode > maxino) {
#ifndef COMPAT
warnx("invalid inode %" PRIu64, inode);
#endif
return;
}
#ifdef COMPAT
if (inode < inode1)
continue;
#endif
errno = 0;
if ((dp = get_inode(fd, super, inode))
&& !isfree(super, dp)) {
printf("%s\t", user(DIP(super, dp, 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');
inode1 = inode;
} else {
if (errno)
errx(1, "%s", name);
/* skip this line */
while ((c = getchar()) != EOF && c != '\n');
}
if (c == EOF)
break;
}
}
static void
usage()
{
#ifdef COMPAT
fprintf(stderr, "usage: quot [-nfcvha] [filesystem ...]\n");
#else /* COMPAT */
fprintf(stderr, "usage: quot [ -acfhknv ] [ filesystem ... ]\n");
#endif /* COMPAT */
exit(1);
}
/*
* Sanity checks for old file systems.
* Stolen from <sys/lib/libsa/ufs.c>
*/
static void
ffs_oldfscompat(fs)
struct fs *fs;
{
int i;
if (fs->fs_old_inodefmt < FS_44INODEFMT) {
quad_t sizepb = fs->fs_bsize;
fs->fs_maxfilesize = fs->fs_bsize * NDADDR - 1;
for (i = 0; i < NIADDR; i++) {
sizepb *= NINDIR(fs);
fs->fs_maxfilesize += sizepb;
}
fs->fs_qbmask = ~fs->fs_bmask;
fs->fs_qfmask = ~fs->fs_fmask;
}
}
/*
* Possible superblock locations ordered from most to least likely.
*/
static int sblock_try[] = SBLOCKSEARCH;
static char superblock[SBLOCKSIZE];
void
quot(name, mp)
char *name, *mp;
{
int fd, i;
struct fs *fs;
int sbloc;
get_inode(-1, 0, 0); /* flush cache */
inituser();
initfsizes();
if ((fd = open(name, 0)) < 0) {
warn("%s", name);
return;
}
for (i = 0; ; i++) {
sbloc = sblock_try[i];
if (sbloc == -1) {
warnx("%s: not a BSD filesystem", name);
close(fd);
return;
}
if (pread(fd, superblock, SBLOCKSIZE, sbloc) != SBLOCKSIZE)
continue;
fs = (struct fs *)superblock;
if (fs->fs_magic != FS_UFS1_MAGIC &&
fs->fs_magic != FS_UFS2_MAGIC)
continue;
if (fs->fs_magic == FS_UFS2_MAGIC
|| fs->fs_old_flags & FS_FLAGS_UPDATED) {
/* Not the main superblock */
if (fs->fs_sblockloc != sbloc)
continue;
} else {
/* might be a first alt. id blocksize 64k */
if (sbloc == SBLOCK_UFS2)
continue;
}
if (fs->fs_bsize > MAXBSIZE ||
fs->fs_bsize < sizeof(struct fs))
continue;
break;
}
ffs_oldfscompat((struct fs *)superblock);
printf("%s:", name);
if (mp)
printf(" (%s)", mp);
putchar('\n');
(*func)(fd, fs, name);
close(fd);
}
int
main(argc, argv)
int argc;
char **argv;
{
char all = 0;
struct statvfs *mp;
char dev[MNAMELEN + 1];
char *nm;
int cnt;
func = douser;
#ifndef COMPAT
header = getbsize(NULL, &blocksize);
#endif
while (--argc > 0 && **++argv == '-') {
while (*++*argv) {
switch (**argv) {
case 'n':
func = donames;
break;
case 'c':
func = dofsizes;
break;
case 'a':
all = 1;
break;
case 'f':
count = 1;
break;
case 'h':
estimate = 1;
break;
#ifndef COMPAT
case 'k':
blocksize = 1024;
break;
#endif /* COMPAT */
case 'v':
unused = 1;
break;
default:
usage();
}
}
}
if (all) {
cnt = getmntinfo(&mp, MNT_NOWAIT);
for (; --cnt >= 0; mp++) {
if (!strncmp(mp->f_fstypename, MOUNT_FFS,
sizeof(mp->f_fstypename))) {
if ((nm =
strrchr(mp->f_mntfromname, '/')) != NULL) {
sprintf(dev, "/dev/r%s", nm + 1);
nm = dev;
} else
nm = mp->f_mntfromname;
quot(nm, mp->f_mntonname);
}
}
}
while (--argc >= 0)
quot(*argv++, 0);
return 0;
}