634 lines
15 KiB
C
634 lines
15 KiB
C
/* $OpenBSD: quot.c,v 1.33 2024/04/23 13:34:51 jsg 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/param.h> /* DEV_BSIZE MAXBSIZE */
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.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 <paths.h>
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#include <pwd.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 int cmpusers(const void *, const void *);
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void quot(char *, 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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#define SIZE(n) (howmany(((off_t)(n)) * DEV_BSIZE, blocksize))
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#define INOCNT(fs) ((fs)->fs_ipg)
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#define INOSZ(fs) (((fs)->fs_magic == FS_UFS1_MAGIC ? \
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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(int fd, struct fs *super, ino_t ino)
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{
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static caddr_t ipbuf;
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static struct cg *cgp;
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static ino_t last;
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static int cg;
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struct ufs2_dinode *di2;
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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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if (super != NULL && super->fs_magic == FS_UFS2_MAGIC) {
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free(cgp);
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cgp = NULL;
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}
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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 (super->fs_magic == FS_UFS2_MAGIC &&
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(!cgp || cg != ino_to_cg(super, ino))) {
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cg = ino_to_cg(super, ino);
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if (!cgp && !(cgp = malloc(super->fs_cgsize)))
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errx(1, "allocate cg");
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if (pread(fd, cgp, super->fs_cgsize,
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(off_t)cgtod(super, cg) << super->fs_fshift)
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!= super->fs_cgsize)
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if (read(fd, cgp, super->fs_cgsize) !=
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super->fs_cgsize)
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err(1, "read cg");
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if (!cg_chkmagic(cgp))
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errx(1, "cg has bad magic");
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}
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if (!ipbuf && !(ipbuf = malloc(INOSZ(super))))
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err(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)
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<< super->fs_fshift, SEEK_SET) < 0 ||
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read(fd, ipbuf, INOSZ(super)) != INOSZ(super)) {
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err(1, "read inodes");
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}
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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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di2 = &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)];
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/* If the inode is unused, it might be unallocated too, so zero it. */
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if (isclr(cg_inosused(cgp), ino % super->fs_ipg))
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memset(di2, 0, sizeof(*di2));
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return ((union dinode *)di2);
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}
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#define actualblocks(fs, ip) DIP(fs, dp, di_blocks)
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static int
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virtualblocks(struct fs *super, union dinode *dp)
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{
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off_t nblk, sz;
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sz = DIP(super, dp, di_size);
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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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}
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static int
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isfree(struct fs *super, union dinode *dp)
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{
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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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case IFCHR:
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case IFBLK:
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case IFSOCK:
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case 0:
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return 1;
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default:
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errx(1, "unknown IFMT 0%o", DIP(super, dp, di_mode) & IFMT);
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}
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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(void)
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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 = calloc(nusers, sizeof(struct user)))) {
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err(1, "allocate users");
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}
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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(void)
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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 = calloc(nusers, sizeof(struct user))))
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err(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_t uid)
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{
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int i;
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struct user *usr;
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const char *name;
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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 ((name = user_from_uid(uid, 1)) == NULL)
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asprintf(&usr->name, "#%u", uid);
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else
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usr->name = strdup(name);
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if (!usr->name)
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err(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(const void *v1, const void *v2)
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{
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const struct user *u1 = v1, *u2 = 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_t uid, daddr_t blks, 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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#define FSZCNT 512
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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(void)
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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(int fd, struct fs *super, 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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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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) {
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sz = estimate ? virtualblocks(super, dp) :
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actualblocks(super, dp);
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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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err(1, "alloc fsize structure");
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}
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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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} else if (errno)
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err(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("%lld\t%llu\t%lld\n",
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(long long)fp->fsz_first + i,
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(unsigned long 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(int fd, struct fs *super, 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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setpassent(1);
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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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if (!(usrs = calloc(nusers, sizeof(struct user))))
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err(1, "allocate users");
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memcpy(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("%14lld", 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%14lld\t%14lld\t%14lld",
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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(int fd, struct fs *super, char *name)
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{
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int c;
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unsigned long long inode;
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ino_t 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("%llu", &inode) == 1) {
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if (inode > maxino) {
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fprintf(stderr, "invalid inode %llu\n",
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(unsigned long long)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)) && !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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inode1 = inode;
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} else {
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if (errno)
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err(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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}
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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(void)
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{
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fprintf(stderr, "usage: quot [-acfhknv] [filesystem ...]\n");
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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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#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(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 */
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if (fs->fs_postblformat == FS_42POSTBLFMT) /* XXX */
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fs->fs_nrpos = 8; /* XXX */
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if (fs->fs_inodefmt < FS_44INODEFMT) { /* XXX */
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quad_t sizepb = fs->fs_bsize; /* XXX */
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/* XXX */
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fs->fs_maxfilesize = fs->fs_bsize * NDADDR - 1; /* XXX */
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for (i = 0; i < NIADDR; i++) { /* XXX */
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sizepb *= NINDIR(fs); /* XXX */
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fs->fs_maxfilesize += sizepb; /* XXX */
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} /* XXX */
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fs->fs_qbmask = ~fs->fs_bmask; /* XXX */
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fs->fs_qfmask = ~fs->fs_fmask; /* XXX */
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} /* XXX */
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}
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void
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quot(char *name, char *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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/*
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* XXX this is completely broken. Of course you can't read a
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* directory, well, not anymore. How to fix this, though...
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*/
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if ((fd = open(name, O_RDONLY)) < 0) {
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warn("%s", name);
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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);
|
|
return;
|
|
}
|
|
fs = (struct fs *)superblock;
|
|
if ((fs->fs_magic == FS_UFS1_MAGIC ||
|
|
(fs->fs_magic == FS_UFS2_MAGIC &&
|
|
fs->fs_sblockloc == 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(fs);
|
|
printf("%s:", name);
|
|
if (mp)
|
|
printf(" (%s)", mp);
|
|
putchar('\n');
|
|
(*func)(fd, fs, name);
|
|
close(fd);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int cnt, all, i;
|
|
char dev[MNAMELEN], *nm, *mountpoint, *cp;
|
|
struct statfs *mp;
|
|
|
|
all = 0;
|
|
func = douser;
|
|
header = getbsize(&headerlen, &blocksize);
|
|
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;
|
|
case 'k':
|
|
blocksize = 1024;
|
|
break;
|
|
case 'v':
|
|
unused = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pledge("stdio rpath getpw", NULL) == -1)
|
|
err(1, "pledge");
|
|
|
|
cnt = getmntinfo(&mp, MNT_NOWAIT);
|
|
if (all) {
|
|
for (; --cnt >= 0; mp++) {
|
|
if (strcmp(mp->f_fstypename, MOUNT_FFS) == 0 ||
|
|
strcmp(mp->f_fstypename, "ufs") == 0) {
|
|
if ((nm = strrchr(mp->f_mntfromname, '/'))) {
|
|
snprintf(dev, sizeof(dev), "%sr%s",
|
|
_PATH_DEV, nm + 1);
|
|
nm = dev;
|
|
} else
|
|
nm = mp->f_mntfromname;
|
|
quot(nm, mp->f_mntonname);
|
|
}
|
|
}
|
|
}
|
|
for (; --argc >= 0; argv++) {
|
|
mountpoint = NULL;
|
|
nm = *argv;
|
|
|
|
/* Remove trailing slashes from name. */
|
|
cp = nm + strlen(nm);
|
|
while (*(--cp) == '/' && cp != nm)
|
|
*cp = '\0';
|
|
|
|
/* Look up the name in the mount table. */
|
|
for (i = 0; i < cnt; i++) {
|
|
/* Remove trailing slashes from name. */
|
|
cp = mp[i].f_mntonname + strlen(mp[i].f_mntonname);
|
|
while (*(--cp) == '/' && cp != mp[i].f_mntonname)
|
|
*cp = '\0';
|
|
|
|
if ((!strcmp(mp->f_fstypename, MOUNT_FFS) ||
|
|
!strcmp(mp->f_fstypename, MOUNT_MFS) ||
|
|
!strcmp(mp->f_fstypename, "ufs")) &&
|
|
strcmp(nm, mp[i].f_mntonname) == 0) {
|
|
nm = mp[i].f_mntfromname;
|
|
mountpoint = mp[i].f_mntonname;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Make sure we have the raw device... */
|
|
if (strncmp(nm, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0 &&
|
|
nm[sizeof(_PATH_DEV) - 1] != 'r') {
|
|
snprintf(dev, sizeof(dev), "%sr%s", _PATH_DEV,
|
|
nm + sizeof(_PATH_DEV) - 1);
|
|
nm = dev;
|
|
}
|
|
quot(nm, mountpoint);
|
|
}
|
|
exit(0);
|
|
}
|