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- /*
- * Copyright (c) 1980, 1990 Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Robert Elz at The University of Melbourne.
- *
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)quotaon.c 5.12 (Berkeley) 9/27/90";
- #endif /* not lint */
-
- /*
- * Turn quota on/off for a filesystem.
- */
- #include <sys/param.h>
- #include <sys/file.h>
- #include <sys/mount.h>
- #include <ufs/quota.h>
- #include <stdio.h>
- #include <fstab.h>
-
- char *qfname = QUOTAFILENAME;
- char *qfextension[] = INITQFNAMES;
-
- int aflag; /* all file systems */
- int gflag; /* operate on group quotas */
- int uflag; /* operate on user quotas */
- int vflag; /* verbose */
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- register struct fstab *fs;
- char ch, *qfnp, *whoami, *rindex();
- long argnum, done = 0;
- int i, offmode = 0, errs = 0;
- extern char *optarg;
- extern int optind;
-
- whoami = rindex(*argv, '/') + 1;
- if (whoami == (char *)1)
- whoami = *argv;
- if (strcmp(whoami, "quotaoff") == 0)
- offmode++;
- else if (strcmp(whoami, "quotaon") != 0) {
- fprintf(stderr, "Name must be quotaon or quotaoff not %s\n",
- whoami);
- exit(1);
- }
- while ((ch = getopt(argc, argv, "avug")) != EOF) {
- switch(ch) {
- case 'a':
- aflag++;
- break;
- case 'g':
- gflag++;
- break;
- case 'u':
- uflag++;
- break;
- case 'v':
- vflag++;
- break;
- default:
- usage(whoami);
- }
- }
- argc -= optind;
- argv += optind;
- if (argc <= 0 && !aflag)
- usage(whoami);
- if (!gflag && !uflag) {
- gflag++;
- uflag++;
- }
- setfsent();
- while ((fs = getfsent()) != NULL) {
- if (strcmp(fs->fs_vfstype, "ufs") ||
- strcmp(fs->fs_type, FSTAB_RW))
- continue;
- if (aflag) {
- if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
- errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
- if (uflag && hasquota(fs, USRQUOTA, &qfnp))
- errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
- continue;
- }
- if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
- (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
- done |= 1 << argnum;
- if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
- errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
- if (uflag && hasquota(fs, USRQUOTA, &qfnp))
- errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
- }
- }
- endfsent();
- for (i = 0; i < argc; i++)
- if ((done & (1 << i)) == 0)
- fprintf(stderr, "%s not found in fstab\n",
- argv[i]);
- exit(errs);
- }
-
- usage(whoami)
- char *whoami;
- {
-
- fprintf(stderr, "Usage:\n\t%s [-g] [-u] [-v] -a\n", whoami);
- fprintf(stderr, "\t%s [-g] [-u] [-v] filesys ...\n", whoami);
- exit(1);
- }
-
- quotaonoff(fs, offmode, type, qfpathname)
- register struct fstab *fs;
- int offmode, type;
- char *qfpathname;
- {
-
- if (strcmp(fs->fs_file, "/") && readonly(fs))
- return (1);
- if (offmode) {
- if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) {
- fprintf(stderr, "quotaoff: ");
- perror(fs->fs_file);
- return (1);
- }
- if (vflag)
- printf("%s: quotas turned off\n", fs->fs_file);
- return (0);
- }
- if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) {
- fprintf(stderr, "quotaon: using %s on", qfpathname);
- perror(fs->fs_file);
- return (1);
- }
- if (vflag)
- printf("%s: %s quotas turned on\n", fs->fs_file,
- qfextension[type]);
- return (0);
- }
-
- /*
- * Check to see if target appears in list of size cnt.
- */
- oneof(target, list, cnt)
- register char *target, *list[];
- int cnt;
- {
- register int i;
-
- for (i = 0; i < cnt; i++)
- if (strcmp(target, list[i]) == 0)
- return (i);
- return (-1);
- }
-
- /*
- * Check to see if a particular quota is to be enabled.
- */
- hasquota(fs, type, qfnamep)
- register struct fstab *fs;
- int type;
- char **qfnamep;
- {
- register char *opt;
- char *cp, *index(), *strtok();
- static char initname, usrname[100], grpname[100];
- static char buf[BUFSIZ];
-
- if (!initname) {
- sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
- sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
- initname = 1;
- }
- strcpy(buf, fs->fs_mntops);
- for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
- if (cp = index(opt, '='))
- *cp++ = '\0';
- if (type == USRQUOTA && strcmp(opt, usrname) == 0)
- break;
- if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
- break;
- }
- if (!opt)
- return (0);
- if (cp) {
- *qfnamep = cp;
- return (1);
- }
- (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
- *qfnamep = buf;
- return (1);
- }
-
- /*
- * Verify file system is mounted and not readonly.
- */
- readonly(fs)
- register struct fstab *fs;
- {
- struct statfs fsbuf;
-
- if (statfs(fs->fs_file, &fsbuf) < 0 ||
- strcmp(fsbuf.f_mntonname, fs->fs_file) ||
- strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
- printf("%s: not mounted\n", fs->fs_file);
- return (1);
- }
- if (fsbuf.f_flags & MNT_RDONLY) {
- printf("%s: mounted read-only\n", fs->fs_file);
- return (1);
- }
- return (0);
- }
-