644 lines
14 KiB
C
644 lines
14 KiB
C
/* $NetBSD: quot.c,v 1.16 1999/10/06 07:20:20 mycroft Exp $ */
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/*
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* Copyright (C) 1991, 1994 Wolfgang Solfrank.
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* Copyright (C) 1991, 1994 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: quot.c,v 1.16 1999/10/06 07:20:20 mycroft Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/time.h>
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#include <ufs/ufs/quota.h>
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#include <ufs/ufs/inode.h>
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#include <ufs/ffs/fs.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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/* some flags of what to do: */
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static char estimate;
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static char count;
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static char unused;
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static void (*func) __P((int, struct fs *, char *));
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static long blocksize;
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static char *header;
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static int headerlen;
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/*
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* Original BSD quot doesn't round to number of frags/blocks,
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* doesn't account for indirection blocks and gets it totally
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* wrong if the size is a multiple of the blocksize.
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* The new code always counts the number of DEV_BSIZE byte blocks
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* instead of the number of kilobytes and converts them to
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* kByte when done (on request).
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*/
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#ifdef COMPAT
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#define SIZE(n) ((long long)(n))
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#else
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#define SIZE(n) howmany((long long)(n) * DEV_BSIZE, (long long)blocksize)
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#endif
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#define INOCNT(fs) ((fs)->fs_ipg)
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#define INOSZ(fs) (sizeof(struct dinode) * INOCNT(fs))
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static int cmpusers __P((const void *, const void *));
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static void dofsizes __P((int, struct fs *, char *));
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static void donames __P((int, struct fs *, char *));
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static void douser __P((int, struct fs *, char *));
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static struct dinode *get_inode __P((int, struct fs*, ino_t));
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static void ffs_oldfscompat __P((struct fs *));
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static void initfsizes __P((void));
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static void inituser __P((void));
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static int isfree __P((struct dinode *));
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int main __P((int, char **));
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void quot __P((char *, char *));
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static void usage __P((void));
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static struct user *user __P((uid_t));
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static void uses __P((uid_t, daddr_t, time_t));
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static void usrrehash __P((void));
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static int virtualblocks __P((struct fs *, struct dinode *));
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static struct dinode *
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get_inode(fd, super, ino)
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int fd;
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struct fs *super;
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ino_t ino;
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{
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static struct dinode *ip;
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static ino_t last;
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if (fd < 0) { /* flush cache */
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if (ip) {
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free(ip);
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ip = 0;
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}
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return 0;
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}
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if (!ip || ino < last || ino >= last + INOCNT(super)) {
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if (!ip
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&& !(ip = (struct dinode *)malloc(INOSZ(super))))
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errx(1, "allocate inodes");
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last = (ino / INOCNT(super)) * INOCNT(super);
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if (lseek(fd,
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(off_t)ino_to_fsba(super, last) << super->fs_fshift,
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0) < 0 ||
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read(fd, ip, INOSZ(super)) != INOSZ(super))
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errx(1, "read inodes");
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}
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return ip + ino % INOCNT(super);
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}
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#ifdef COMPAT
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#define actualblocks(super, ip) ((ip)->di_blocks / 2)
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#else
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#define actualblocks(super, ip) ((ip)->di_blocks)
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#endif
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static int
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virtualblocks(super, ip)
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struct fs *super;
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struct dinode *ip;
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{
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off_t nblk, sz;
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sz = ip->di_size;
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#ifdef COMPAT
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if (lblkno(super, sz) >= NDADDR) {
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nblk = blkroundup(super, sz);
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if (sz == nblk)
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nblk += super->fs_bsize;
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}
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return sz / 1024;
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#else /* COMPAT */
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if (lblkno(super, sz) >= NDADDR) {
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nblk = blkroundup(super, sz);
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sz = lblkno(super, nblk);
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sz = howmany(sz - NDADDR, NINDIR(super));
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while (sz > 0) {
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nblk += sz * super->fs_bsize;
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/* One block on this level is in the inode itself */
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sz = howmany(sz - 1, NINDIR(super));
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}
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} else
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nblk = fragroundup(super, sz);
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return nblk / DEV_BSIZE;
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#endif /* COMPAT */
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}
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static int
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isfree(ip)
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struct dinode *ip;
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{
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#ifdef COMPAT
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return (ip->di_mode&IFMT) == 0;
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#else /* COMPAT */
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switch (ip->di_mode&IFMT) {
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case IFIFO:
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case IFLNK: /* should check FASTSYMLINK? */
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case IFDIR:
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case IFREG:
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return 0;
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default:
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return 1;
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}
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#endif
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}
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static struct user {
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uid_t uid;
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char *name;
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daddr_t space;
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long count;
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daddr_t spc30;
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daddr_t spc60;
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daddr_t spc90;
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} *users;
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static int nusers;
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static void
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inituser()
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{
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int i;
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struct user *usr;
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if (!nusers) {
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nusers = 8;
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if (!(users =
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(struct user *)calloc(nusers, sizeof(struct user))))
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errx(1, "allocate users");
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} else {
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for (usr = users, i = nusers; --i >= 0; usr++) {
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usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0;
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usr->count = 0;
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}
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}
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}
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static void
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usrrehash()
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{
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int i;
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struct user *usr, *usrn;
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struct user *svusr;
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svusr = users;
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nusers <<= 1;
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if (!(users = (struct user *)calloc(nusers, sizeof(struct user))))
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errx(1, "allocate users");
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for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) {
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for (usrn = users + (usr->uid&(nusers - 1));
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usrn->name;
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usrn--) {
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if (usrn <= users)
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usrn = users + nusers;
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}
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*usrn = *usr;
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}
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}
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static struct user *
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user(uid)
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uid_t uid;
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{
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struct user *usr;
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int i;
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struct passwd *pwd;
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while (1) {
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for (usr = users + (uid&(nusers - 1)), i = nusers;
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--i >= 0;
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usr--) {
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if (!usr->name) {
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usr->uid = uid;
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if (!(pwd = getpwuid(uid))) {
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if ((usr->name =
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(char *)malloc(7)) != NULL)
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sprintf(usr->name, "#%d", uid);
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} else {
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if ((usr->name =
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(char *)malloc(
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strlen(pwd->pw_name) + 1))
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!= NULL)
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strcpy(usr->name, pwd->pw_name);
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}
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if (!usr->name)
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errx(1, "allocate users");
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return usr;
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} else if (usr->uid == uid)
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return usr;
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if (usr <= users)
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usr = users + nusers;
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}
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usrrehash();
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}
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}
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static int
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cmpusers(u1, u2)
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const void *u1, *u2;
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{
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return ((struct user *)u2)->space - ((struct user *)u1)->space;
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}
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#define sortusers(users) (qsort((users), nusers, sizeof(struct user), \
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cmpusers))
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static void
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uses(uid, blks, act)
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uid_t uid;
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daddr_t blks;
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time_t act;
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{
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static time_t today;
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struct user *usr;
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if (!today)
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time(&today);
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usr = user(uid);
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usr->count++;
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usr->space += blks;
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if (today - act > 90L * 24L * 60L * 60L)
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usr->spc90 += blks;
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if (today - act > 60L * 24L * 60L * 60L)
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usr->spc60 += blks;
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if (today - act > 30L * 24L * 60L * 60L)
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usr->spc30 += blks;
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}
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#ifdef COMPAT
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#define FSZCNT 500
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#else
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#define FSZCNT 512
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#endif
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struct fsizes {
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struct fsizes *fsz_next;
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daddr_t fsz_first, fsz_last;
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ino_t fsz_count[FSZCNT];
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daddr_t fsz_sz[FSZCNT];
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} *fsizes;
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static void
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initfsizes()
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{
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struct fsizes *fp;
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int i;
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for (fp = fsizes; fp; fp = fp->fsz_next) {
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for (i = FSZCNT; --i >= 0;) {
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fp->fsz_count[i] = 0;
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fp->fsz_sz[i] = 0;
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}
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}
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}
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static void
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dofsizes(fd, super, name)
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int fd;
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struct fs *super;
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char *name;
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{
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ino_t inode, maxino;
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struct dinode *ip;
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daddr_t sz, ksz;
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struct fsizes *fp, **fsp;
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int i;
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maxino = super->fs_ncg * super->fs_ipg - 1;
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#ifdef COMPAT
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if (!(fsizes = (struct fsizes *)malloc(sizeof(struct fsizes))))
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errx(1, "alloc fsize structure");
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#endif /* COMPAT */
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for (inode = 0; inode < maxino; inode++) {
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errno = 0;
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if ((ip = get_inode(fd, super, inode))
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#ifdef COMPAT
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&& ((ip->di_mode&IFMT) == IFREG
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|| (ip->di_mode&IFMT) == IFDIR)
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#else /* COMPAT */
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&& !isfree(ip)
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#endif /* COMPAT */
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) {
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sz = estimate ? virtualblocks(super, ip) :
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actualblocks(super, ip);
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#ifdef COMPAT
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if (sz >= FSZCNT) {
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fsizes->fsz_count[FSZCNT-1]++;
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fsizes->fsz_sz[FSZCNT-1] += sz;
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} else {
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fsizes->fsz_count[sz]++;
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fsizes->fsz_sz[sz] += sz;
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}
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#else /* COMPAT */
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ksz = SIZE(sz);
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for (fsp = &fsizes; (fp = *fsp) != NULL;
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fsp = &fp->fsz_next) {
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if (ksz < fp->fsz_last)
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break;
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}
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if (!fp || ksz < fp->fsz_first) {
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if (!(fp = (struct fsizes *)
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malloc(sizeof(struct fsizes))))
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errx(1, "alloc fsize structure");
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fp->fsz_next = *fsp;
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*fsp = fp;
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fp->fsz_first = (ksz / FSZCNT) * FSZCNT;
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fp->fsz_last = fp->fsz_first + FSZCNT;
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for (i = FSZCNT; --i >= 0;) {
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fp->fsz_count[i] = 0;
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fp->fsz_sz[i] = 0;
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}
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}
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fp->fsz_count[ksz % FSZCNT]++;
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fp->fsz_sz[ksz % FSZCNT] += sz;
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#endif /* COMPAT */
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} else if (errno)
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errx(1, "%s", name);
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}
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sz = 0;
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for (fp = fsizes; fp; fp = fp->fsz_next) {
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for (i = 0; i < FSZCNT; i++) {
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if (fp->fsz_count[i])
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printf("%ld\t%ld\t%lld\n",
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(long)(fp->fsz_first + i),
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(long)fp->fsz_count[i],
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SIZE(sz += fp->fsz_sz[i]));
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}
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}
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}
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static void
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douser(fd, super, name)
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int fd;
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struct fs *super;
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char *name;
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{
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ino_t inode, maxino;
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struct user *usr, *usrs;
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struct dinode *ip;
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int n;
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maxino = super->fs_ncg * super->fs_ipg - 1;
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for (inode = 0; inode < maxino; inode++) {
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errno = 0;
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if ((ip = get_inode(fd, super, inode))
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&& !isfree(ip))
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uses(ip->di_uid, estimate ? virtualblocks(super, ip) :
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actualblocks(super, ip), ip->di_atime);
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else if (errno)
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errx(1, "%s", name);
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}
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if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user))))
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errx(1, "allocate users");
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memmove(usrs, users, nusers * sizeof(struct user));
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sortusers(usrs);
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for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
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printf("%5lld", SIZE(usr->space));
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if (count)
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printf("\t%5ld", usr->count);
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printf("\t%-8s", usr->name);
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if (unused)
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printf("\t%5lld\t%5lld\t%5lld",
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SIZE(usr->spc30), SIZE(usr->spc60),
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SIZE(usr->spc90));
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printf("\n");
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}
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free(usrs);
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}
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static void
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donames(fd, super, name)
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int fd;
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struct fs *super;
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char *name;
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{
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int c;
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ino_t inode, inode1;
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ino_t maxino;
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struct dinode *ip;
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maxino = super->fs_ncg * super->fs_ipg - 1;
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/* first skip the name of the filesystem */
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while ((c = getchar()) != EOF && (c < '0' || c > '9'))
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while ((c = getchar()) != EOF && c != '\n');
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ungetc(c, stdin);
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inode1 = -1;
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while (scanf("%d", &inode) == 1) {
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if (inode < 0 || inode > maxino) {
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#ifndef COMPAT
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warnx("invalid inode %d", inode);
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#endif
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return;
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}
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#ifdef COMPAT
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if (inode < inode1)
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continue;
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#endif
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errno = 0;
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if ((ip = get_inode(fd, super, inode))
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&& !isfree(ip)) {
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printf("%s\t", user(ip->di_uid)->name);
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/* now skip whitespace */
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while ((c = getchar()) == ' ' || c == '\t');
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/* and print out the remainder of the input line */
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while (c != EOF && c != '\n') {
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putchar(c);
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c = getchar();
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}
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putchar('\n');
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inode1 = inode;
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} else {
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if (errno)
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errx(1, "%s", name);
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/* skip this line */
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while ((c = getchar()) != EOF && c != '\n');
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}
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if (c == EOF)
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break;
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}
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}
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static void
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usage()
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{
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#ifdef COMPAT
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fprintf(stderr, "Usage: quot [-nfcvha] [filesystem ...]\n");
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#else /* COMPAT */
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fprintf(stderr, "Usage: quot [ -acfhknv ] [ filesystem ... ]\n");
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#endif /* COMPAT */
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exit(1);
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}
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static char superblock[SBSIZE];
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#define max(a,b) MAX((a),(b))
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/*
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* Sanity checks for old file systems.
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* Stolen from <sys/lib/libsa/ufs.c>
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*/
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static void
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ffs_oldfscompat(fs)
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struct fs *fs;
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{
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int i;
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fs->fs_npsect = max(fs->fs_npsect, fs->fs_nsect); /* XXX */
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fs->fs_interleave = max(fs->fs_interleave, 1); /* XXX */
|
|
if (fs->fs_postblformat == FS_42POSTBLFMT) /* XXX */
|
|
fs->fs_nrpos = 8; /* XXX */
|
|
if (fs->fs_inodefmt < FS_44INODEFMT) { /* XXX */
|
|
quad_t sizepb = fs->fs_bsize; /* XXX */
|
|
/* XXX */
|
|
fs->fs_maxfilesize = fs->fs_bsize * NDADDR - 1; /* XXX */
|
|
for (i = 0; i < NIADDR; i++) { /* XXX */
|
|
sizepb *= NINDIR(fs); /* XXX */
|
|
fs->fs_maxfilesize += sizepb; /* XXX */
|
|
} /* XXX */
|
|
fs->fs_qbmask = ~fs->fs_bmask; /* XXX */
|
|
fs->fs_qfmask = ~fs->fs_fmask; /* XXX */
|
|
} /* XXX */
|
|
}
|
|
|
|
void
|
|
quot(name, mp)
|
|
char *name, *mp;
|
|
{
|
|
int fd;
|
|
|
|
get_inode(-1, 0, 0); /* flush cache */
|
|
inituser();
|
|
initfsizes();
|
|
if ((fd = open(name, 0)) < 0
|
|
|| lseek(fd, SBOFF, 0) != SBOFF
|
|
|| read(fd, superblock, SBSIZE) != SBSIZE) {
|
|
warn("%s", name);
|
|
close(fd);
|
|
return;
|
|
}
|
|
if (((struct fs *)superblock)->fs_magic != FS_MAGIC
|
|
|| ((struct fs *)superblock)->fs_bsize > MAXBSIZE
|
|
|| ((struct fs *)superblock)->fs_bsize < sizeof(struct fs)) {
|
|
warnx("%s: not a BSD filesystem", name);
|
|
close(fd);
|
|
return;
|
|
}
|
|
ffs_oldfscompat((struct fs *)superblock);
|
|
printf("%s:", name);
|
|
if (mp)
|
|
printf(" (%s)", mp);
|
|
putchar('\n');
|
|
(*func)(fd, (struct fs *)superblock, name);
|
|
close(fd);
|
|
}
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
char all = 0;
|
|
struct statfs *mp;
|
|
char dev[MNAMELEN + 1];
|
|
char *nm;
|
|
int cnt;
|
|
|
|
func = douser;
|
|
#ifndef COMPAT
|
|
header = getbsize(&headerlen, &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, MFSNAMELEN)) {
|
|
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;
|
|
}
|