42614ed3f3
64 bit block pointers, extended attribute storage, and a few other things. This commit does not yet include the code to manipulate the extended storage (for e.g. ACLs), this will be done later. Originally written by Kirk McKusick and Network Associates Laboratories for FreeBSD.
672 lines
15 KiB
C
672 lines
15 KiB
C
/* $NetBSD: quot.c,v 1.18 2003/04/02 10:39:50 fvdl 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 1.18 2003/04/02 10:39:50 fvdl 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/dinode.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) \
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(((fs)->fs_magic == FS_UFS1_MAGIC ? sizeof(struct ufs1_dinode) : \
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sizeof(struct ufs2_dinode)) * INOCNT(fs))
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union dinode {
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struct ufs1_dinode dp1;
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struct ufs2_dinode dp2;
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};
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#define DIP(fs, dp, field) \
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(((fs)->fs_magic == FS_UFS1_MAGIC) ? \
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(dp)->dp1.di_##field : (dp)->dp2.di_##field)
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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 union 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 fs *, union 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 *, union dinode *));
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static union 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 char *ipbuf;
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static ino_t last;
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if (fd < 0) { /* flush cache */
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if (ipbuf) {
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free(ipbuf);
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ipbuf = NULL;
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}
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return 0;
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}
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if (!ipbuf || ino < last || ino >= last + INOCNT(super)) {
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if (!ipbuf
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&& !(ipbuf = 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, ipbuf, INOSZ(super)) != INOSZ(super))
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errx(1, "read inodes");
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}
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if (super->fs_magic == FS_UFS1_MAGIC)
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return ((union dinode *)
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&((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
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return ((union dinode *)
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&((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)]);
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}
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#ifdef COMPAT
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#define actualblocks(fs, dp) (DIP(fs, dp, blocks) / 2)
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#else
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#define actualblocks(fs, dp) (DIP(fs, dp, blocks))
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#endif
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static int
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virtualblocks(super, dp)
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struct fs *super;
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union dinode *dp;
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{
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off_t nblk, sz;
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sz = DIP(super, dp, 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(fs, dp)
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struct fs *fs;
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union dinode *dp;
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{
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#ifdef COMPAT
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return (DIP(fs, dp, mode) & IFMT) == 0;
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#else /* COMPAT */
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switch (DIP(fs, dp, 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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union dinode *dp;
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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 ((dp = get_inode(fd, super, inode))
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#ifdef COMPAT
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&& ((DIP(super, dp, mode) & IFMT) == IFREG
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|| (DIP(dp, mode) & IFMT) == IFDIR)
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#else /* COMPAT */
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&& !isfree(super, dp)
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#endif /* COMPAT */
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) {
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sz = estimate ? virtualblocks(super, dp) :
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actualblocks(super, dp);
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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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union dinode *dp;
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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 ((dp = get_inode(fd, super, inode))
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&& !isfree(super, dp))
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uses(DIP(super, dp, uid),
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estimate ? virtualblocks(super, dp) :
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actualblocks(super, dp), DIP(super, dp, 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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union dinode *dp;
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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 ((dp = get_inode(fd, super, inode))
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&& !isfree(super, dp)) {
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printf("%s\t", user(DIP(super, dp, 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
|
|
usage()
|
|
{
|
|
#ifdef COMPAT
|
|
fprintf(stderr, "Usage: quot [-nfcvha] [filesystem ...]\n");
|
|
#else /* COMPAT */
|
|
fprintf(stderr, "Usage: quot [ -acfhknv ] [ filesystem ... ]\n");
|
|
#endif /* COMPAT */
|
|
exit(1);
|
|
}
|
|
|
|
#define max(a,b) MAX((a),(b))
|
|
/*
|
|
* 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;
|
|
|
|
get_inode(-1, 0, 0); /* flush cache */
|
|
inituser();
|
|
initfsizes();
|
|
if ((fd = open(name, 0)) < 0) {
|
|
warn("%s", name);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; sblock_try[i] != -1; i++) {
|
|
if (lseek(fd, sblock_try[i], 0) != sblock_try[i])
|
|
continue;
|
|
if (read(fd, superblock, SBLOCKSIZE) != SBLOCKSIZE)
|
|
continue;
|
|
fs = (struct fs *)superblock;
|
|
|
|
if ((fs->fs_magic == FS_UFS1_MAGIC ||
|
|
(fs->fs_magic == FS_UFS2_MAGIC &&
|
|
fs->fs_sblockloc == numfrags(fs, sblock_try[i]))) &&
|
|
fs->fs_bsize <= MAXBSIZE &&
|
|
fs->fs_bsize >= sizeof(struct fs))
|
|
break;
|
|
}
|
|
if (sblock_try[i] == -1) {
|
|
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, fs, 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;
|
|
}
|