2 * Copyright (c) 1980, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Robert Elz at The University of Melbourne.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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 the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California. All rights reserved.
37 * @(#)quotaon.c 8.1 (Berkeley) 6/6/93
38 * $FreeBSD: src/usr.sbin/quotaon/quotaon.c,v 1.4.2.1 2001/07/19 05:17:06 kris Exp $
39 * $DragonFly: src/usr.sbin/quotaon/quotaon.c,v 1.4 2003/11/03 19:31:41 eirikn Exp $
43 * Turn quota on/off for a filesystem.
45 #include <sys/param.h>
47 #include <sys/mount.h>
48 #include <vfs/ufs/quota.h>
56 char *qfname = QUOTAFILENAME;
57 char *qfextension[] = INITQFNAMES;
59 int aflag; /* all file systems */
60 int gflag; /* operate on group quotas */
61 int uflag; /* operate on user quotas */
62 int vflag; /* verbose */
64 int hasquota(struct fstab *, int, char **);
65 int oneof(char *, char *[], int);
66 int quotaonoff(struct fstab *fs, int, int, char *);
67 int readonly(struct fstab *);
68 static void usage(void);
75 register struct fstab *fs;
76 char ch, *qfnp, *whoami;
77 long argnum, done = 0;
78 int i, offmode = 0, errs = 0;
80 whoami = rindex(*argv, '/') + 1;
81 if (whoami == (char *)1)
83 if (strcmp(whoami, "quotaoff") == 0)
85 else if (strcmp(whoami, "quotaon") != 0)
86 errx(1, "name must be quotaon or quotaoff");
87 while ((ch = getopt(argc, argv, "avug")) != -1) {
107 if (argc <= 0 && !aflag)
109 if (!gflag && !uflag) {
114 while ((fs = getfsent()) != NULL) {
115 if (strcmp(fs->fs_vfstype, "ufs") ||
116 strcmp(fs->fs_type, FSTAB_RW))
119 if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
120 errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
121 if (uflag && hasquota(fs, USRQUOTA, &qfnp))
122 errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
125 if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
126 (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
128 if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
129 errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
130 if (uflag && hasquota(fs, USRQUOTA, &qfnp))
131 errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
135 for (i = 0; i < argc; i++)
136 if ((done & (1 << i)) == 0)
137 warnx("%s not found in fstab", argv[i]);
145 fprintf(stderr, "%s\n%s\n%s\n%s\n",
146 "usage: quotaon [-g] [-u] [-v] -a",
147 " quotaon [-g] [-u] [-v] filesystem ...",
148 " quotaoff [-g] [-u] [-v] -a",
149 " quotaoff [-g] [-u] [-v] filesystem ...");
154 quotaonoff(fs, offmode, type, qfpathname)
155 register struct fstab *fs;
160 if (strcmp(fs->fs_file, "/") && readonly(fs))
163 if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) {
164 warn("%s", fs->fs_file);
168 printf("%s: quotas turned off\n", fs->fs_file);
171 if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) {
172 warnx("using %s on", qfpathname);
173 warn("%s", fs->fs_file);
177 printf("%s: %s quotas turned on\n", fs->fs_file,
183 * Check to see if target appears in list of size cnt.
186 oneof(target, list, cnt)
187 register char *target, *list[];
192 for (i = 0; i < cnt; i++)
193 if (strcmp(target, list[i]) == 0)
199 * Check to see if a particular quota is to be enabled.
202 hasquota(fs, type, qfnamep)
203 register struct fstab *fs;
209 static char initname, usrname[100], grpname[100];
210 static char buf[BUFSIZ];
213 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
214 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
217 strcpy(buf, fs->fs_mntops);
218 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
219 if ((cp = index(opt, '=')))
221 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
223 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
232 (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
238 * Verify file system is mounted and not readonly.
242 register struct fstab *fs;
246 if (statfs(fs->fs_file, &fsbuf) < 0 ||
247 strcmp(fsbuf.f_mntonname, fs->fs_file) ||
248 strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
249 printf("%s: not mounted\n", fs->fs_file);
252 if (fsbuf.f_flags & MNT_RDONLY) {
253 printf("%s: mounted read-only\n", fs->fs_file);