649 lines
14 KiB
C
649 lines
14 KiB
C
/*
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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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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/stdint.h>
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#include <sys/mount.h>
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#include <sys/disklabel.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 <fcntl.h>
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#include <fstab.h>
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#include <errno.h>
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#include <paths.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)(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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static union dinode *get_inode(int, struct fs *, ino_t);
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static int virtualblocks(struct fs *, union dinode *);
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static int isfree(struct fs *, union dinode *);
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static void inituser(void);
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static void usrrehash(void);
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static struct user *user(uid_t);
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static int cmpusers(const void *, const void *);
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static void uses(uid_t, daddr_t, time_t);
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static void initfsizes(void);
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static void dofsizes(int, struct fs *, char *);
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static void douser(int, struct fs *, char *);
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static void donames(int, struct fs *, char *);
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static void usage(void);
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static void quot(char *, char *);
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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 512 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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* Due to the size of modern disks, we must cast intermediate
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* values to 64 bits to prevent potential overflows.
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*/
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#ifdef COMPAT
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#define SIZE(n) (n)
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#else
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#define SIZE(n) ((int)(((quad_t)(n) * 512 + blocksize - 1)/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.field : (dp)->dp2.field)
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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 caddr_t 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 = 0;
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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, (off_t)ino_to_fsba(super, last) << super->fs_fshift, 0) < (off_t)0
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|| read(fd, ipbuf, INOSZ(super)) != (ssize_t)INOSZ(super))
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err(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, di_blocks) / 2)
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#else
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#define actualblocks(fs, dp) DIP(fs, dp, di_blocks)
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#endif
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static int 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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register off_t nblk, sz;
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sz = DIP(super, dp, 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 = (sz - NDADDR + NINDIR(super) - 1) / NINDIR(super);
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while (sz > 0) {
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nblk += sz * super->fs_bsize;
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/* sz - 1 rounded up */
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sz = (sz - 1 + NINDIR(super) - 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 / 512;
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#endif /* COMPAT */
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}
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static int
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isfree(super, dp)
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struct fs *super;
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union dinode *dp;
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{
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#ifdef COMPAT
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return (DIP(super, dp, di_mode) & IFMT) == 0;
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#else /* COMPAT */
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switch (DIP(super, dp, 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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register int i;
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register 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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register int i;
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register 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)); 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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register struct user *usr;
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register 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; --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 = (char *)malloc(7)))
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sprintf(usr->name,"#%d",uid);
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} else {
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if ((usr->name = (char *)
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malloc(strlen(pwd->pw_name) + 1)))
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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(v1,v2)
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const void *v1, *v2;
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{
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const struct user *u1, *u2;
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u1 = (const struct user *)v1;
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u2 = (const struct user *)v2;
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return u2->space - 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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register 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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register struct fsizes *fp;
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register 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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register 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, "allocate 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, di_mode) & IFMT) == IFREG
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|| (DIP(super, dp, di_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); 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, "allocate 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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err(1, "%s", name);
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}
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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("%jd\t%jd\t%d\n",
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(intmax_t)(fp->fsz_first + i),
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(intmax_t)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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register 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, di_uid),
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estimate ? virtualblocks(super, dp) :
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actualblocks(super, dp),
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DIP(super, dp, di_atime));
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else if (errno) {
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err(1, "%s", name);
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}
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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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bcopy(users,usrs,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("%5d",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%5d\t%5d\t%5d",
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SIZE(usr->spc30),
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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;
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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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while (scanf("%u",&inode) == 1) {
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if (inode > maxino) {
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warnx("illegal inode %d",inode);
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return;
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}
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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, 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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} else {
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if (errno) {
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err(1, "%s", name);
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}
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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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/*
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* Possible superblock locations ordered from most to least likely.
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*/
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static int sblock_try[] = SBLOCKSEARCH;
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static char superblock[SBLOCKSIZE];
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void
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quot(name,mp)
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char *name, *mp;
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{
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int i, fd;
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struct fs *fs;
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get_inode(-1, NULL, 0); /* flush cache */
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inituser();
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initfsizes();
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if ((fd = open(name,0)) < 0) {
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warn("%s", name);
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close(fd);
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return;
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}
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for (i = 0; sblock_try[i] != -1; i++) {
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if (lseek(fd, sblock_try[i], 0) != sblock_try[i]) {
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close(fd);
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return;
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}
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if (read(fd, superblock, SBLOCKSIZE) != SBLOCKSIZE) {
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close(fd);
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return;
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}
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fs = (struct fs *)superblock;
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if ((fs->fs_magic == FS_UFS1_MAGIC ||
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(fs->fs_magic == FS_UFS2_MAGIC &&
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fs->fs_sblockloc == sblock_try[i])) &&
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fs->fs_bsize <= MAXBSIZE &&
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fs->fs_bsize >= sizeof(struct fs))
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break;
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}
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if (sblock_try[i] == -1) {
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warnx("%s: not a BSD filesystem",name);
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close(fd);
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return;
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}
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printf("%s:",name);
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if (mp)
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printf(" (%s)",mp);
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putchar('\n');
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(*func)(fd, fs, name);
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close(fd);
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}
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int
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main(argc,argv)
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int argc;
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char **argv;
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{
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char all = 0;
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struct statfs *mp;
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struct fstab *fs;
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char dev[MNAMELEN + 1];
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char *nm;
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int cnt;
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func = douser;
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#ifndef COMPAT
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header = getbsize(&headerlen,&blocksize);
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#endif
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while (--argc > 0 && **++argv == '-') {
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while (*++*argv) {
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switch (**argv) {
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case 'n':
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func = donames;
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break;
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case 'c':
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func = dofsizes;
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break;
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case 'a':
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all = 1;
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break;
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case 'f':
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count = 1;
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break;
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case 'h':
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estimate = 1;
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break;
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#ifndef COMPAT
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case 'k':
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blocksize = 1024;
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break;
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#endif /* COMPAT */
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case 'v':
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unused = 1;
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break;
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default:
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usage();
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}
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}
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}
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if (all) {
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cnt = getmntinfo(&mp,MNT_NOWAIT);
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for (; --cnt >= 0; mp++) {
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if (!strncmp(mp->f_fstypename, "ufs", MFSNAMELEN)) {
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if ((nm = strrchr(mp->f_mntfromname,'/'))) {
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sprintf(dev,"%s%s",_PATH_DEV,nm + 1);
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nm = dev;
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} else
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nm = mp->f_mntfromname;
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quot(nm,mp->f_mntonname);
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}
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}
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}
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while (--argc >= 0) {
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if ((fs = getfsfile(*argv)) != NULL)
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quot(fs->fs_spec, 0);
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else
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quot(*argv,0);
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argv++;
|
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}
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return 0;
|
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}
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