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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/quot/quot.c	Lines:	0	279	0.0 %
Date:	2017-11-07	Branches:	0	285	0.0 %


/*	$OpenBSD: quot.c,v 1.30 2017/09/07 03:24:09 tedu Exp $	*/

/*
 * Copyright (C) 1991, 1994 Wolfgang Solfrank.
 * Copyright (C) 1991, 1994 TooLs GmbH.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/param.h>	/* DEV_BSIZE MAXBSIZE */
#include <sys/mount.h>
#include <sys/time.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <pwd.h>
#include <unistd.h>

/* some flags of what to do: */
static char estimate;
static char count;
static char unused;
static void (*func)(int, struct fs *, char *);
static int cmpusers(const void *, const void *);
void	quot(char *, char *);
static long blocksize;
static char *header;
static int headerlen;

#define	SIZE(n)	(howmany(((off_t)(n)) * DEV_BSIZE, blocksize))

#define	INOCNT(fs)	((fs)->fs_ipg)
#define	INOSZ(fs)	(((fs)->fs_magic == FS_UFS1_MAGIC ? \
			    sizeof(struct ufs1_dinode) : \
			    sizeof(struct ufs2_dinode)) * INOCNT(fs))

union dinode {
	struct ufs1_dinode dp1;
	struct ufs2_dinode dp2;
};
#define	DIP(fs, dp, field) \
	(((fs)->fs_magic == FS_UFS1_MAGIC) ? \
	(dp)->dp1.field : (dp)->dp2.field)

static union dinode *
get_inode(int fd, struct fs *super, ino_t ino)
{
	static caddr_t ipbuf;
	static struct cg *cgp;
	static ino_t last;
	static int cg;
	struct ufs2_dinode *di2;

	if (fd < 0) {		/* flush cache */
		if (ipbuf) {
			free(ipbuf);
			ipbuf = NULL;
			if (super != NULL && super->fs_magic == FS_UFS2_MAGIC) {
				free(cgp);
				cgp = NULL;
			}
		}
		return 0;
	}

	if (!ipbuf || ino < last || ino >= last + INOCNT(super)) {
		if (super->fs_magic == FS_UFS2_MAGIC &&
		    (!cgp || cg != ino_to_cg(super, ino))) {
			cg = ino_to_cg(super, ino);
			if (!cgp && !(cgp = malloc(super->fs_cgsize)))
				errx(1, "allocate cg");
			if (pread(fd, cgp, super->fs_cgsize,
			    (off_t)cgtod(super, cg) << super->fs_fshift)
			    != super->fs_cgsize)
			if (read(fd, cgp, super->fs_cgsize) != super->fs_cgsize)
				err(1, "read cg");
			if (!cg_chkmagic(cgp))
				errx(1, "cg has bad magic");
		}
		if (!ipbuf && !(ipbuf = malloc(INOSZ(super))))
			err(1, "allocate inodes");
		last = (ino / INOCNT(super)) * INOCNT(super);
		if (lseek(fd, (off_t)ino_to_fsba(super, last)
		    << super->fs_fshift, SEEK_SET) < 0 ||
		    read(fd, ipbuf, INOSZ(super)) != INOSZ(super)) {
			err(1, "read inodes");
		}
	}

	if (super->fs_magic == FS_UFS1_MAGIC)
		return ((union dinode *)
		    &((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
	di2 = &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)];
	/* If the inode is unused, it might be unallocated too, so zero it. */
	if (isclr(cg_inosused(cgp), ino % super->fs_ipg))
		memset(di2, 0, sizeof(*di2));
	return ((union dinode *)di2);
}

#define	actualblocks(fs, ip)	DIP(fs, dp, di_blocks)

static int
virtualblocks(struct fs *super, union dinode *dp)
{
	off_t nblk, sz;

	sz = DIP(super, dp, di_size);

	if (lblkno(super, sz) >= NDADDR) {
		nblk = blkroundup(super, sz);
		sz = lblkno(super, nblk);
		sz = howmany(sz - NDADDR, NINDIR(super));
		while (sz > 0) {
			nblk += sz * super->fs_bsize;
			/* One block on this level is in the inode itself */
			sz = howmany(sz - 1, NINDIR(super));
		}
	} else
		nblk = fragroundup(super, sz);

	return nblk / DEV_BSIZE;
}

static int
isfree(struct fs *super, union dinode *dp)
{
	switch (DIP(super, dp, di_mode) & IFMT) {
	case IFIFO:
	case IFLNK:		/* should check FASTSYMLINK? */
	case IFDIR:
	case IFREG:
		return 0;
	case IFCHR:
	case IFBLK:
	case IFSOCK:
	case 0:
		return 1;
	default:
		errx(1, "unknown IFMT 0%o", DIP(super, dp, di_mode) & IFMT);
	}
}

static struct user {
	uid_t uid;
	char *name;
	daddr_t space;
	long count;
	daddr_t spc30;
	daddr_t spc60;
	daddr_t spc90;
} *users;
static int nusers;

static void
inituser(void)
{
	int i;
	struct user *usr;

	if (!nusers) {
		nusers = 8;
		if (!(users = calloc(nusers, sizeof(struct user)))) {
			err(1, "allocate users");
		}
	} else {
		for (usr = users, i = nusers; --i >= 0; usr++) {
			usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0;
			usr->count = 0;
		}
	}
}

static void
usrrehash(void)
{
	int i;
	struct user *usr, *usrn;
	struct user *svusr;

	svusr = users;
	nusers <<= 1;
	if (!(users = calloc(nusers, sizeof(struct user))))
		err(1, "allocate users");
	for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) {
		for (usrn = users + (usr->uid&(nusers - 1));
		     usrn->name;
		    usrn--) {
			if (usrn <= users)
				usrn = users + nusers;
		}
		*usrn = *usr;
	}
}

static struct user *
user(uid_t uid)
{
	int i;
	struct passwd *pwd;
	struct user *usr;

	while (1) {
		for (usr = users + (uid&(nusers - 1)), i = nusers;
		     --i >= 0;
		    usr--) {
			if (!usr->name) {
				usr->uid = uid;

				if (!(pwd = getpwuid(uid)))
					asprintf(&usr->name, "#%u", uid);
				else
					usr->name = strdup(pwd->pw_name);
				if (!usr->name)
					err(1, "allocate users");
				return usr;
			} else if (usr->uid == uid)
				return usr;

			if (usr <= users)
				usr = users + nusers;
		}
		usrrehash();
	}
}

static int
cmpusers(const void *v1, const void *v2)
{
	const struct user *u1 = v1, *u2 = v2;

	return u2->space - u1->space;
}

#define	sortusers(users)	(qsort((users), nusers, sizeof(struct user), \
				    cmpusers))

static void
uses(uid_t uid, daddr_t blks, time_t act)
{
	static time_t today;
	struct user *usr;

	if (!today)
		time(&today);

	usr = user(uid);
	usr->count++;
	usr->space += blks;

	if (today - act > 90L * 24L * 60L * 60L)
		usr->spc90 += blks;
	if (today - act > 60L * 24L * 60L * 60L)
		usr->spc60 += blks;
	if (today - act > 30L * 24L * 60L * 60L)
		usr->spc30 += blks;
}

#define	FSZCNT	512
struct fsizes {
	struct fsizes *fsz_next;
	daddr_t fsz_first, fsz_last;
	ino_t fsz_count[FSZCNT];
	daddr_t fsz_sz[FSZCNT];
} *fsizes;

static void
initfsizes(void)
{
	struct fsizes *fp;
	int i;

	for (fp = fsizes; fp; fp = fp->fsz_next) {
		for (i = FSZCNT; --i >= 0;) {
			fp->fsz_count[i] = 0;
			fp->fsz_sz[i] = 0;
		}
	}
}

static void
dofsizes(int fd, struct fs *super, char *name)
{
	ino_t inode, maxino;
	union dinode *dp;
	daddr_t sz, ksz;
	struct fsizes *fp, **fsp;
	int i;

	maxino = super->fs_ncg * super->fs_ipg - 1;
	for (inode = 0; inode < maxino; inode++) {
		errno = 0;
		if ((dp = get_inode(fd, super, inode))
		    && !isfree(super, dp)
		    ) {
			sz = estimate ? virtualblocks(super, dp) :
			    actualblocks(super, dp);
			ksz = SIZE(sz);
			for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) {
				if (ksz < fp->fsz_last)
					break;
			}
			if (!fp || ksz < fp->fsz_first) {
				if (!(fp = (struct fsizes *)
				    malloc(sizeof(struct fsizes)))) {
					err(1, "alloc fsize structure");
				}
				fp->fsz_next = *fsp;
				*fsp = fp;
				fp->fsz_first = (ksz / FSZCNT) * FSZCNT;
				fp->fsz_last = fp->fsz_first + FSZCNT;
				for (i = FSZCNT; --i >= 0;) {
					fp->fsz_count[i] = 0;
					fp->fsz_sz[i] = 0;
				}
			}
			fp->fsz_count[ksz % FSZCNT]++;
			fp->fsz_sz[ksz % FSZCNT] += sz;
		} else if (errno)
			err(1, "%s", name);
	}
	sz = 0;
	for (fp = fsizes; fp; fp = fp->fsz_next) {
		for (i = 0; i < FSZCNT; i++) {
			if (fp->fsz_count[i])
				printf("%lld\t%llu\t%lld\n",
				    (long long)fp->fsz_first + i,
				    (unsigned long long)fp->fsz_count[i],
				    SIZE(sz += fp->fsz_sz[i]));
		}
	}
}

static void
douser(int fd, struct fs *super, char *name)
{
	ino_t inode, maxino;
	struct user *usr, *usrs;
	union dinode *dp;
	int n;

	maxino = super->fs_ncg * super->fs_ipg - 1;
	for (inode = 0; inode < maxino; inode++) {
		errno = 0;
		if ((dp = get_inode(fd,super,inode))
		    && !isfree(super, dp))
			uses(DIP(super, dp, di_uid),
			    estimate ? virtualblocks(super, dp) :
				actualblocks(super, dp),
			    DIP(super, dp, di_atime));
		else if (errno)
			err(1, "%s", name);
	}
	if (!(usrs = calloc(nusers, sizeof(struct user))))
		err(1, "allocate users");
	memcpy(usrs, users, nusers * sizeof(struct user));
	sortusers(usrs);
	for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
		printf("%14lld", SIZE(usr->space));
		if (count)
			printf("\t%5ld", usr->count);
		printf("\t%-8s", usr->name);
		if (unused)
			printf("\t%14lld\t%14lld\t%14lld",
			       SIZE(usr->spc30),
			       SIZE(usr->spc60),
			       SIZE(usr->spc90));
		printf("\n");
	}
	free(usrs);
}

static void
donames(int fd, struct fs *super, char *name)
{
	int c;
	unsigned long long inode;
	ino_t inode1;
	ino_t maxino;
	union dinode *dp;

	maxino = super->fs_ncg * super->fs_ipg - 1;
	/* first skip the name of the filesystem */
	while ((c = getchar()) != EOF && (c < '0' || c > '9'))
		while ((c = getchar()) != EOF && c != '\n');
	ungetc(c, stdin);
	inode1 = -1;
	while (scanf("%llu", &inode) == 1) {
		if (inode > maxino) {
			fprintf(stderr, "invalid inode %llu\n",
			    (unsigned long long)inode);
			return;
		}
		errno = 0;
		if ((dp = get_inode(fd, super, inode)) && !isfree(super, dp)) {
			printf("%s\t", user(DIP(super, dp, di_uid))->name);
			/* now skip whitespace */
			while ((c = getchar()) == ' ' || c == '\t');
			/* and print out the remainder of the input line */
			while (c != EOF && c != '\n') {
				putchar(c);
				c = getchar();
			}
			putchar('\n');
			inode1 = inode;
		} else {
			if (errno)
				err(1, "%s", name);
			/* skip this line */
			while ((c = getchar()) != EOF && c != '\n')
				;
		}
		if (c == EOF)
			break;
	}
}

static void
usage(void)
{
	fprintf(stderr, "usage: quot [-acfhknv] [filesystem ...]\n");
	exit(1);
}

/*
 * Possible superblock locations ordered from most to least likely.
 */
static int sblock_try[] = SBLOCKSEARCH;
static char superblock[SBLOCKSIZE];

#define	max(a,b)	MAX((a),(b))
/*
 * Sanity checks for old file systems.
 * Stolen from <sys/lib/libsa/ufs.c>
 */
static void
ffs_oldfscompat(struct fs *fs)
{
	int i;

	fs->fs_npsect = max(fs->fs_npsect, fs->fs_nsect);	/* XXX */
	fs->fs_interleave = max(fs->fs_interleave, 1);		/* XXX */
	if (fs->fs_postblformat == FS_42POSTBLFMT)		/* XXX */
		fs->fs_nrpos = 8;				/* XXX */
	if (fs->fs_inodefmt < FS_44INODEFMT) {			/* XXX */
		quad_t sizepb = fs->fs_bsize;			/* XXX */
								/* XXX */
		fs->fs_maxfilesize = fs->fs_bsize * NDADDR - 1;	/* XXX */
		for (i = 0; i < NIADDR; i++) {			/* XXX */
			sizepb *= NINDIR(fs);			/* XXX */
			fs->fs_maxfilesize += sizepb;		/* XXX */
		}						/* XXX */
		fs->fs_qbmask = ~fs->fs_bmask;			/* XXX */
		fs->fs_qfmask = ~fs->fs_fmask;			/* XXX */
	}							/* XXX */
}

void
quot(char *name, char *mp)
{
	int i, fd;
	struct fs *fs;

	get_inode(-1, NULL, 0);		/* flush cache */
	inituser();
	initfsizes();
	/*
	 * XXX this is completely broken.  Of course you can't read a
	 * directory, well, not anymore.  How to fix this, though...
	 */
	if ((fd = open(name, O_RDONLY)) < 0) {
		warn("%s", name);
		return;
	}
	for (i = 0; sblock_try[i] != -1; i++) {
		if (lseek(fd, sblock_try[i], 0) != sblock_try[i]) {
			close(fd);
			return;
		}
		if (read(fd, superblock, SBLOCKSIZE) != SBLOCKSIZE) {
			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();
			}
		}
	}
	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);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: quot.c,v 1.30 2017/09/07 03:24:09 tedu Exp $ */
2
3			/*
4			* Copyright (C) 1991, 1994 Wolfgang Solfrank.
5			* Copyright (C) 1991, 1994 TooLs GmbH.
6			* All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. All advertising materials mentioning features or use of this software
17			* must display the following acknowledgement:
18			* This product includes software developed by TooLs GmbH.
19			* 4. The name of TooLs GmbH may not be used to endorse or promote products
20			* derived from this software without specific prior written permission.
21			*
22			* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25			* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27			* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28			* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30			* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31			* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32			*/
33
34			#include <sys/param.h> /* DEV_BSIZE MAXBSIZE */
35			#include <sys/mount.h>
36			#include <sys/time.h>
37			#include <ufs/ufs/dinode.h>
38			#include <ufs/ffs/fs.h>
39
40			#include <stdio.h>
41			#include <stdlib.h>
42			#include <string.h>
43			#include <err.h>
44			#include <errno.h>
45			#include <fcntl.h>
46			#include <paths.h>
47			#include <pwd.h>
48			#include <unistd.h>
49
50			/* some flags of what to do: */
51			static char estimate;
52			static char count;
53			static char unused;
54			static void (func)(int, struct fs , char *);
55			static int cmpusers(const void , const void );
56			void quot(char , char );
57			static long blocksize;
58			static char *header;
59			static int headerlen;
60
61			#define SIZE(n) (howmany(((off_t)(n)) * DEV_BSIZE, blocksize))
62
63			#define INOCNT(fs) ((fs)->fs_ipg)
64			#define INOSZ(fs) (((fs)->fs_magic == FS_UFS1_MAGIC ? \
65			sizeof(struct ufs1_dinode) : \
66			sizeof(struct ufs2_dinode)) * INOCNT(fs))
67
68			union dinode {
69			struct ufs1_dinode dp1;
70			struct ufs2_dinode dp2;
71			};
72			#define DIP(fs, dp, field) \
73			(((fs)->fs_magic == FS_UFS1_MAGIC) ? \
74			(dp)->dp1.field : (dp)->dp2.field)
75
76			static union dinode *
77			get_inode(int fd, struct fs *super, ino_t ino)
78			{
79			static caddr_t ipbuf;
80			static struct cg *cgp;
81			static ino_t last;
82			static int cg;
83			struct ufs2_dinode *di2;
84
85			if (fd < 0) { /* flush cache */
86			if (ipbuf) {
87			free(ipbuf);
88			ipbuf = NULL;
89			if (super != NULL && super->fs_magic == FS_UFS2_MAGIC) {
90			free(cgp);
91			cgp = NULL;
92			}
93			}
94			return 0;
95			}
96
97			if (!ipbuf \|\| ino < last \|\| ino >= last + INOCNT(super)) {
98			if (super->fs_magic == FS_UFS2_MAGIC &&
99			(!cgp \|\| cg != ino_to_cg(super, ino))) {
100			cg = ino_to_cg(super, ino);
101			if (!cgp && !(cgp = malloc(super->fs_cgsize)))
102			errx(1, "allocate cg");
103			if (pread(fd, cgp, super->fs_cgsize,
104			(off_t)cgtod(super, cg) << super->fs_fshift)
105			!= super->fs_cgsize)
106			if (read(fd, cgp, super->fs_cgsize) != super->fs_cgsize)
107			err(1, "read cg");
108			if (!cg_chkmagic(cgp))
109			errx(1, "cg has bad magic");
110			}
111			if (!ipbuf && !(ipbuf = malloc(INOSZ(super))))
112			err(1, "allocate inodes");
113			last = (ino / INOCNT(super)) * INOCNT(super);
114			if (lseek(fd, (off_t)ino_to_fsba(super, last)
115			<< super->fs_fshift, SEEK_SET) < 0 \|\|
116			read(fd, ipbuf, INOSZ(super)) != INOSZ(super)) {
117			err(1, "read inodes");
118			}
119			}
120
121			if (super->fs_magic == FS_UFS1_MAGIC)
122			return ((union dinode *)
123			&((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
124			di2 = &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)];
125			/* If the inode is unused, it might be unallocated too, so zero it. */
126			if (isclr(cg_inosused(cgp), ino % super->fs_ipg))
127			memset(di2, 0, sizeof(*di2));
128			return ((union dinode *)di2);
129			}
130
131			#define actualblocks(fs, ip) DIP(fs, dp, di_blocks)
132
133			static int
134			virtualblocks(struct fs super, union dinode dp)
135			{
136			off_t nblk, sz;
137
138			sz = DIP(super, dp, di_size);
139
140			if (lblkno(super, sz) >= NDADDR) {
141			nblk = blkroundup(super, sz);
142			sz = lblkno(super, nblk);
143			sz = howmany(sz - NDADDR, NINDIR(super));
144			while (sz > 0) {
145			nblk += sz * super->fs_bsize;
146			/* One block on this level is in the inode itself */
147			sz = howmany(sz - 1, NINDIR(super));
148			}
149			} else
150			nblk = fragroundup(super, sz);
151
152			return nblk / DEV_BSIZE;
153			}
154
155			static int
156			isfree(struct fs super, union dinode dp)
157			{
158			switch (DIP(super, dp, di_mode) & IFMT) {
159			case IFIFO:
160			case IFLNK: /* should check FASTSYMLINK? */
161			case IFDIR:
162			case IFREG:
163			return 0;
164			case IFCHR:
165			case IFBLK:
166			case IFSOCK:
167			case 0:
168			return 1;
169			default:
170			errx(1, "unknown IFMT 0%o", DIP(super, dp, di_mode) & IFMT);
171			}
172			}
173
174			static struct user {
175			uid_t uid;
176			char *name;
177			daddr_t space;
178			long count;
179			daddr_t spc30;
180			daddr_t spc60;
181			daddr_t spc90;
182			} *users;
183			static int nusers;
184
185			static void
186			inituser(void)
187			{
188			int i;
189			struct user *usr;
190
191			if (!nusers) {
192			nusers = 8;
193			if (!(users = calloc(nusers, sizeof(struct user)))) {
194			err(1, "allocate users");
195			}
196			} else {
197			for (usr = users, i = nusers; --i >= 0; usr++) {
198			usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0;
199			usr->count = 0;
200			}
201			}
202			}
203
204			static void
205			usrrehash(void)
206			{
207			int i;
208			struct user usr, usrn;
209			struct user *svusr;
210
211			svusr = users;
212			nusers <<= 1;
213			if (!(users = calloc(nusers, sizeof(struct user))))
214			err(1, "allocate users");
215			for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) {
216			for (usrn = users + (usr->uid&(nusers - 1));
217			usrn->name;
218			usrn--) {
219			if (usrn <= users)
220			usrn = users + nusers;
221			}
222			usrn = usr;
223			}
224			}
225
226			static struct user *
227			user(uid_t uid)
228			{
229			int i;
230			struct passwd *pwd;
231			struct user *usr;
232
233			while (1) {
234			for (usr = users + (uid&(nusers - 1)), i = nusers;
235			--i >= 0;
236			usr--) {
237			if (!usr->name) {
238			usr->uid = uid;
239
240			if (!(pwd = getpwuid(uid)))
241			asprintf(&usr->name, "#%u", uid);
242			else
243			usr->name = strdup(pwd->pw_name);
244			if (!usr->name)
245			err(1, "allocate users");
246			return usr;
247			} else if (usr->uid == uid)
248			return usr;
249
250			if (usr <= users)
251			usr = users + nusers;
252			}
253			usrrehash();
254			}
255			}
256
257			static int
258			cmpusers(const void v1, const void v2)
259			{
260			const struct user u1 = v1, u2 = v2;
261
262			return u2->space - u1->space;
263			}
264
265			#define sortusers(users) (qsort((users), nusers, sizeof(struct user), \
266			cmpusers))
267
268			static void
269			uses(uid_t uid, daddr_t blks, time_t act)
270			{
271			static time_t today;
272			struct user *usr;
273
274			if (!today)
275			time(&today);
276
277			usr = user(uid);
278			usr->count++;
279			usr->space += blks;
280
281			if (today - act > 90L * 24L * 60L * 60L)
282			usr->spc90 += blks;
283			if (today - act > 60L * 24L * 60L * 60L)
284			usr->spc60 += blks;
285			if (today - act > 30L * 24L * 60L * 60L)
286			usr->spc30 += blks;
287			}
288
289			#define FSZCNT 512
290			struct fsizes {
291			struct fsizes *fsz_next;
292			daddr_t fsz_first, fsz_last;
293			ino_t fsz_count[FSZCNT];
294			daddr_t fsz_sz[FSZCNT];
295			} *fsizes;
296
297			static void
298			initfsizes(void)
299			{
300			struct fsizes *fp;
301			int i;
302
303			for (fp = fsizes; fp; fp = fp->fsz_next) {
304			for (i = FSZCNT; --i >= 0;) {
305			fp->fsz_count[i] = 0;
306			fp->fsz_sz[i] = 0;
307			}
308			}
309			}
310
311			static void
312			dofsizes(int fd, struct fs super, char name)
313			{
314			ino_t inode, maxino;
315			union dinode *dp;
316			daddr_t sz, ksz;
317			struct fsizes fp, *fsp;
318			int i;
319
320			maxino = super->fs_ncg * super->fs_ipg - 1;
321			for (inode = 0; inode < maxino; inode++) {
322			errno = 0;
323			if ((dp = get_inode(fd, super, inode))
324			&& !isfree(super, dp)
325			) {
326			sz = estimate ? virtualblocks(super, dp) :
327			actualblocks(super, dp);
328			ksz = SIZE(sz);
329			for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) {
330			if (ksz < fp->fsz_last)
331			break;
332			}
333			if (!fp \|\| ksz < fp->fsz_first) {
334			if (!(fp = (struct fsizes *)
335			malloc(sizeof(struct fsizes)))) {
336			err(1, "alloc fsize structure");
337			}
338			fp->fsz_next = *fsp;
339			*fsp = fp;
340			fp->fsz_first = (ksz / FSZCNT) * FSZCNT;
341			fp->fsz_last = fp->fsz_first + FSZCNT;
342			for (i = FSZCNT; --i >= 0;) {
343			fp->fsz_count[i] = 0;
344			fp->fsz_sz[i] = 0;
345			}
346			}
347			fp->fsz_count[ksz % FSZCNT]++;
348			fp->fsz_sz[ksz % FSZCNT] += sz;
349			} else if (errno)
350			err(1, "%s", name);
351			}
352			sz = 0;
353			for (fp = fsizes; fp; fp = fp->fsz_next) {
354			for (i = 0; i < FSZCNT; i++) {
355			if (fp->fsz_count[i])
356			printf("%lld\t%llu\t%lld\n",
357			(long long)fp->fsz_first + i,
358			(unsigned long long)fp->fsz_count[i],
359			SIZE(sz += fp->fsz_sz[i]));
360			}
361			}
362			}
363
364			static void
365			douser(int fd, struct fs super, char name)
366			{
367			ino_t inode, maxino;
368			struct user usr, usrs;
369			union dinode *dp;
370			int n;
371
372			maxino = super->fs_ncg * super->fs_ipg - 1;
373			for (inode = 0; inode < maxino; inode++) {
374			errno = 0;
375			if ((dp = get_inode(fd,super,inode))
376			&& !isfree(super, dp))
377			uses(DIP(super, dp, di_uid),
378			estimate ? virtualblocks(super, dp) :
379			actualblocks(super, dp),
380			DIP(super, dp, di_atime));
381			else if (errno)
382			err(1, "%s", name);
383			}
384			if (!(usrs = calloc(nusers, sizeof(struct user))))
385			err(1, "allocate users");
386			memcpy(usrs, users, nusers * sizeof(struct user));
387			sortusers(usrs);
388			for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) {
389			printf("%14lld", SIZE(usr->space));
390			if (count)
391			printf("\t%5ld", usr->count);
392			printf("\t%-8s", usr->name);
393			if (unused)
394			printf("\t%14lld\t%14lld\t%14lld",
395			SIZE(usr->spc30),
396			SIZE(usr->spc60),
397			SIZE(usr->spc90));
398			printf("\n");
399			}
400			free(usrs);
401			}
402
403			static void
404			donames(int fd, struct fs super, char name)
405			{
406			int c;
407			unsigned long long inode;
408			ino_t inode1;
409			ino_t maxino;
410			union dinode *dp;
411
412			maxino = super->fs_ncg * super->fs_ipg - 1;
413			/* first skip the name of the filesystem */
414			while ((c = getchar()) != EOF && (c < '0' \|\| c > '9'))
415			while ((c = getchar()) != EOF && c != '\n');
416			ungetc(c, stdin);
417			inode1 = -1;
418			while (scanf("%llu", &inode) == 1) {
419			if (inode > maxino) {
420			fprintf(stderr, "invalid inode %llu\n",
421			(unsigned long long)inode);
422			return;
423			}
424			errno = 0;
425			if ((dp = get_inode(fd, super, inode)) && !isfree(super, dp)) {
426			printf("%s\t", user(DIP(super, dp, di_uid))->name);
427			/* now skip whitespace */
428			while ((c = getchar()) == ' ' \|\| c == '\t');
429			/* and print out the remainder of the input line */
430			while (c != EOF && c != '\n') {
431			putchar(c);
432			c = getchar();
433			}
434			putchar('\n');
435			inode1 = inode;
436			} else {
437			if (errno)
438			err(1, "%s", name);
439			/* skip this line */
440			while ((c = getchar()) != EOF && c != '\n')
441			;
442			}
443			if (c == EOF)
444			break;
445			}
446			}
447
448			static void
449			usage(void)
450			{
451			fprintf(stderr, "usage: quot [-acfhknv] [filesystem ...]\n");
452			exit(1);
453			}
454
455			/*
456			* Possible superblock locations ordered from most to least likely.
457			*/
458			static int sblock_try[] = SBLOCKSEARCH;
459			static char superblock[SBLOCKSIZE];
460
461			#define max(a,b) MAX((a),(b))
462			/*
463			* Sanity checks for old file systems.
464			* Stolen from <sys/lib/libsa/ufs.c>
465			*/
466			static void
467			ffs_oldfscompat(struct fs *fs)
468			{
469			int i;
470
471			fs->fs_npsect = max(fs->fs_npsect, fs->fs_nsect); /* XXX */
472			fs->fs_interleave = max(fs->fs_interleave, 1); /* XXX */
473			if (fs->fs_postblformat == FS_42POSTBLFMT) /* XXX */
474			fs->fs_nrpos = 8; /* XXX */
475			if (fs->fs_inodefmt < FS_44INODEFMT) { /* XXX */
476			quad_t sizepb = fs->fs_bsize; /* XXX */
477			/* XXX */
478			fs->fs_maxfilesize = fs->fs_bsize * NDADDR - 1; /* XXX */
479			for (i = 0; i < NIADDR; i++) { /* XXX */
480			sizepb = NINDIR(fs); / XXX */
481			fs->fs_maxfilesize += sizepb; /* XXX */
482			} /* XXX */
483			fs->fs_qbmask = ~fs->fs_bmask; /* XXX */
484			fs->fs_qfmask = ~fs->fs_fmask; /* XXX */
485			} /* XXX */
486			}
487
488			void
489			quot(char name, char mp)
490			{
491			int i, fd;
492			struct fs *fs;
493
494			get_inode(-1, NULL, 0); /* flush cache */
495			inituser();
496			initfsizes();
497			/*
498			* XXX this is completely broken. Of course you can't read a
499			* directory, well, not anymore. How to fix this, though...
500			*/
501			if ((fd = open(name, O_RDONLY)) < 0) {
502			warn("%s", name);
503			return;
504			}
505			for (i = 0; sblock_try[i] != -1; i++) {
506			if (lseek(fd, sblock_try[i], 0) != sblock_try[i]) {
507			close(fd);
508			return;
509			}
510			if (read(fd, superblock, SBLOCKSIZE) != SBLOCKSIZE) {
511			close(fd);
512			return;
513			}
514			fs = (struct fs *)superblock;
515			if ((fs->fs_magic == FS_UFS1_MAGIC \|\|
516			(fs->fs_magic == FS_UFS2_MAGIC &&
517			fs->fs_sblockloc == sblock_try[i])) &&
518			fs->fs_bsize <= MAXBSIZE &&
519			fs->fs_bsize >= sizeof(struct fs))
520			break;
521			}
522			if (sblock_try[i] == -1) {
523			warnx("%s: not a BSD filesystem", name);
524			close(fd);
525			return;
526			}
527			ffs_oldfscompat(fs);
528			printf("%s:", name);
529			if (mp)
530			printf(" (%s)", mp);
531			putchar('\n');
532			(*func)(fd, fs, name);
533			close(fd);
534			}
535
536			int
537			main(int argc, char *argv[])
538			{
539			int cnt, all, i;
540			char dev[MNAMELEN], nm, mountpoint, *cp;
541			struct statfs *mp;
542
543			all = 0;
544			func = douser;
545			header = getbsize(&headerlen, &blocksize);
546			while (--argc > 0 && **++argv == '-') {
547			while (++argv) {
548			switch (**argv) {
549			case 'n':
550			func = donames;
551			break;
552			case 'c':
553			func = dofsizes;
554			break;
555			case 'a':
556			all = 1;
557			break;
558			case 'f':
559			count = 1;
560			break;
561			case 'h':
562			estimate = 1;
563			break;
564			case 'k':
565			blocksize = 1024;
566			break;
567			case 'v':
568			unused = 1;
569			break;
570			default:
571			usage();
572			}
573			}
574			}
575			cnt = getmntinfo(&mp, MNT_NOWAIT);
576			if (all) {
577			for (; --cnt >= 0; mp++) {
578			if (strcmp(mp->f_fstypename, MOUNT_FFS) == 0 \|\|
579			strcmp(mp->f_fstypename, "ufs") == 0) {
580			if ((nm = strrchr(mp->f_mntfromname, '/'))) {
581			snprintf(dev, sizeof(dev), "%sr%s",
582			_PATH_DEV, nm + 1);
583			nm = dev;
584			} else
585			nm = mp->f_mntfromname;
586			quot(nm, mp->f_mntonname);
587			}
588			}
589			}
590			for (; --argc >= 0; argv++) {
591			mountpoint = NULL;
592			nm = *argv;
593
594			/* Remove trailing slashes from name. */
595			cp = nm + strlen(nm);
596			while (*(--cp) == '/' && cp != nm)
597			*cp = '\0';
598
599			/* Look up the name in the mount table. */
600			for (i = 0; i < cnt; i++) {
601			/* Remove trailing slashes from name. */
602			cp = mp[i].f_mntonname + strlen(mp[i].f_mntonname);
603			while (*(--cp) == '/' && cp != mp[i].f_mntonname)
604			*cp = '\0';
605
606			if ((!strcmp(mp->f_fstypename, MOUNT_FFS) \|\|
607			!strcmp(mp->f_fstypename, MOUNT_MFS) \|\|
608			!strcmp(mp->f_fstypename, "ufs")) &&
609			strcmp(nm, mp[i].f_mntonname) == 0) {
610			nm = mp[i].f_mntfromname;
611			mountpoint = mp[i].f_mntonname;
612			break;
613			}
614			}
615
616			/* Make sure we have the raw device... */
617			if (strncmp(nm, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0 &&
618			nm[sizeof(_PATH_DEV) - 1] != 'r') {
619			snprintf(dev, sizeof(dev), "%sr%s", _PATH_DEV,
620			nm + sizeof(_PATH_DEV) - 1);
621			nm = dev;
622			}
623			quot(nm, mountpoint);
624			}
625			exit(0);
626			}