quotaon.c revision 96705
11553Srgrimes/* 21553Srgrimes * Copyright (c) 1980, 1990, 1993 31553Srgrimes * The Regents of the University of California. All rights reserved. 41553Srgrimes * 51553Srgrimes * This code is derived from software contributed to Berkeley by 61553Srgrimes * Robert Elz at The University of Melbourne. 71553Srgrimes * 81553Srgrimes * Redistribution and use in source and binary forms, with or without 91553Srgrimes * modification, are permitted provided that the following conditions 101553Srgrimes * are met: 111553Srgrimes * 1. Redistributions of source code must retain the above copyright 121553Srgrimes * notice, this list of conditions and the following disclaimer. 131553Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141553Srgrimes * notice, this list of conditions and the following disclaimer in the 151553Srgrimes * documentation and/or other materials provided with the distribution. 161553Srgrimes * 3. All advertising materials mentioning features or use of this software 171553Srgrimes * must display the following acknowledgement: 181553Srgrimes * This product includes software developed by the University of 191553Srgrimes * California, Berkeley and its contributors. 201553Srgrimes * 4. Neither the name of the University nor the names of its contributors 211553Srgrimes * may be used to endorse or promote products derived from this software 221553Srgrimes * without specific prior written permission. 231553Srgrimes * 241553Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251553Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261553Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271553Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281553Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291553Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301553Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311553Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321553Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331553Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341553Srgrimes * SUCH DAMAGE. 351553Srgrimes */ 361553Srgrimes 371553Srgrimes#ifndef lint 3830371Scharnierstatic const char copyright[] = 391553Srgrimes"@(#) Copyright (c) 1980, 1990, 1993\n\ 401553Srgrimes The Regents of the University of California. All rights reserved.\n"; 411553Srgrimes#endif /* not lint */ 421553Srgrimes 431553Srgrimes#ifndef lint 4430371Scharnier#if 0 451553Srgrimesstatic char sccsid[] = "@(#)quotaon.c 8.1 (Berkeley) 6/6/93"; 4630371Scharnier#endif 4730371Scharnierstatic const char rcsid[] = 4850479Speter "$FreeBSD: head/usr.sbin/quotaon/quotaon.c 96705 2002-05-16 02:28:39Z trhodes $"; 491553Srgrimes#endif /* not lint */ 501553Srgrimes 511553Srgrimes/* 521553Srgrimes * Turn quota on/off for a filesystem. 531553Srgrimes */ 541553Srgrimes#include <sys/param.h> 551553Srgrimes#include <sys/file.h> 561553Srgrimes#include <sys/mount.h> 571553Srgrimes#include <ufs/ufs/quota.h> 5830371Scharnier#include <err.h> 5930371Scharnier#include <fstab.h> 601553Srgrimes#include <stdio.h> 6178720Sdd#include <stdlib.h> 6230371Scharnier#include <string.h> 6330371Scharnier#include <unistd.h> 641553Srgrimes 651553Srgrimeschar *qfname = QUOTAFILENAME; 661553Srgrimeschar *qfextension[] = INITQFNAMES; 671553Srgrimes 6896705Strhodesint aflag; /* all filesystems */ 691553Srgrimesint gflag; /* operate on group quotas */ 701553Srgrimesint uflag; /* operate on user quotas */ 711553Srgrimesint vflag; /* verbose */ 721553Srgrimes 7330371Scharnierint hasquota __P((struct fstab *, int, char **)); 7430371Scharnierint oneof __P((char *, char *[], int)); 7530371Scharnierint quotaonoff __P((struct fstab *fs, int, int, char *)); 7630371Scharnierint readonly __P((struct fstab *)); 7730371Scharnierstatic void usage __P((void)); 7830371Scharnier 7930371Scharnierint 801553Srgrimesmain(argc, argv) 811553Srgrimes int argc; 821553Srgrimes char **argv; 831553Srgrimes{ 841553Srgrimes register struct fstab *fs; 8530371Scharnier char ch, *qfnp, *whoami; 861553Srgrimes long argnum, done = 0; 871553Srgrimes int i, offmode = 0, errs = 0; 881553Srgrimes 891553Srgrimes whoami = rindex(*argv, '/') + 1; 901553Srgrimes if (whoami == (char *)1) 911553Srgrimes whoami = *argv; 921553Srgrimes if (strcmp(whoami, "quotaoff") == 0) 931553Srgrimes offmode++; 9430371Scharnier else if (strcmp(whoami, "quotaon") != 0) 9530371Scharnier errx(1, "name must be quotaon or quotaoff"); 9624428Simp while ((ch = getopt(argc, argv, "avug")) != -1) { 971553Srgrimes switch(ch) { 981553Srgrimes case 'a': 991553Srgrimes aflag++; 1001553Srgrimes break; 1011553Srgrimes case 'g': 1021553Srgrimes gflag++; 1031553Srgrimes break; 1041553Srgrimes case 'u': 1051553Srgrimes uflag++; 1061553Srgrimes break; 1071553Srgrimes case 'v': 1081553Srgrimes vflag++; 1091553Srgrimes break; 1101553Srgrimes default: 11130371Scharnier usage(); 1121553Srgrimes } 1131553Srgrimes } 1141553Srgrimes argc -= optind; 1151553Srgrimes argv += optind; 1161553Srgrimes if (argc <= 0 && !aflag) 11730371Scharnier usage(); 1181553Srgrimes if (!gflag && !uflag) { 1191553Srgrimes gflag++; 1201553Srgrimes uflag++; 1211553Srgrimes } 1221553Srgrimes setfsent(); 1231553Srgrimes while ((fs = getfsent()) != NULL) { 1241553Srgrimes if (strcmp(fs->fs_vfstype, "ufs") || 1251553Srgrimes strcmp(fs->fs_type, FSTAB_RW)) 1261553Srgrimes continue; 1271553Srgrimes if (aflag) { 1281553Srgrimes if (gflag && hasquota(fs, GRPQUOTA, &qfnp)) 1291553Srgrimes errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp); 1301553Srgrimes if (uflag && hasquota(fs, USRQUOTA, &qfnp)) 1311553Srgrimes errs += quotaonoff(fs, offmode, USRQUOTA, qfnp); 1321553Srgrimes continue; 1331553Srgrimes } 1341553Srgrimes if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 || 1351553Srgrimes (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) { 1361553Srgrimes done |= 1 << argnum; 1371553Srgrimes if (gflag && hasquota(fs, GRPQUOTA, &qfnp)) 1381553Srgrimes errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp); 1391553Srgrimes if (uflag && hasquota(fs, USRQUOTA, &qfnp)) 1401553Srgrimes errs += quotaonoff(fs, offmode, USRQUOTA, qfnp); 1411553Srgrimes } 1421553Srgrimes } 1431553Srgrimes endfsent(); 1441553Srgrimes for (i = 0; i < argc; i++) 1451553Srgrimes if ((done & (1 << i)) == 0) 14630371Scharnier warnx("%s not found in fstab", argv[i]); 1471553Srgrimes exit(errs); 1481553Srgrimes} 1491553Srgrimes 15030371Scharnierstatic void 15130371Scharnierusage() 1521553Srgrimes{ 1531553Srgrimes 15430371Scharnier fprintf(stderr, "%s\n%s\n%s\n%s\n", 15530371Scharnier "usage: quotaon [-g] [-u] [-v] -a", 15630371Scharnier " quotaon [-g] [-u] [-v] filesystem ...", 15730371Scharnier " quotaoff [-g] [-u] [-v] -a", 15830371Scharnier " quotaoff [-g] [-u] [-v] filesystem ..."); 1591553Srgrimes exit(1); 1601553Srgrimes} 1611553Srgrimes 16230371Scharnierint 1631553Srgrimesquotaonoff(fs, offmode, type, qfpathname) 1641553Srgrimes register struct fstab *fs; 1651553Srgrimes int offmode, type; 1661553Srgrimes char *qfpathname; 1671553Srgrimes{ 1681553Srgrimes 1691553Srgrimes if (strcmp(fs->fs_file, "/") && readonly(fs)) 1701553Srgrimes return (1); 1711553Srgrimes if (offmode) { 1721553Srgrimes if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) { 17330371Scharnier warn("%s", fs->fs_file); 1741553Srgrimes return (1); 1751553Srgrimes } 1761553Srgrimes if (vflag) 1771553Srgrimes printf("%s: quotas turned off\n", fs->fs_file); 1781553Srgrimes return (0); 1791553Srgrimes } 1801553Srgrimes if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) { 18130371Scharnier warnx("using %s on", qfpathname); 18230371Scharnier warn("%s", fs->fs_file); 1831553Srgrimes return (1); 1841553Srgrimes } 1851553Srgrimes if (vflag) 1861553Srgrimes printf("%s: %s quotas turned on\n", fs->fs_file, 1871553Srgrimes qfextension[type]); 1881553Srgrimes return (0); 1891553Srgrimes} 1901553Srgrimes 1911553Srgrimes/* 1921553Srgrimes * Check to see if target appears in list of size cnt. 1931553Srgrimes */ 19430371Scharnierint 1951553Srgrimesoneof(target, list, cnt) 1961553Srgrimes register char *target, *list[]; 1971553Srgrimes int cnt; 1981553Srgrimes{ 1991553Srgrimes register int i; 2001553Srgrimes 2011553Srgrimes for (i = 0; i < cnt; i++) 2021553Srgrimes if (strcmp(target, list[i]) == 0) 2031553Srgrimes return (i); 2041553Srgrimes return (-1); 2051553Srgrimes} 2061553Srgrimes 2071553Srgrimes/* 2081553Srgrimes * Check to see if a particular quota is to be enabled. 2091553Srgrimes */ 21030371Scharnierint 2111553Srgrimeshasquota(fs, type, qfnamep) 2121553Srgrimes register struct fstab *fs; 2131553Srgrimes int type; 2141553Srgrimes char **qfnamep; 2151553Srgrimes{ 2161553Srgrimes register char *opt; 21730371Scharnier char *cp; 2181553Srgrimes static char initname, usrname[100], grpname[100]; 2191553Srgrimes static char buf[BUFSIZ]; 2201553Srgrimes 2211553Srgrimes if (!initname) { 2221553Srgrimes sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname); 2231553Srgrimes sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname); 2241553Srgrimes initname = 1; 2251553Srgrimes } 2261553Srgrimes strcpy(buf, fs->fs_mntops); 2271553Srgrimes for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) { 22830371Scharnier if ((cp = index(opt, '='))) 2291553Srgrimes *cp++ = '\0'; 2301553Srgrimes if (type == USRQUOTA && strcmp(opt, usrname) == 0) 2311553Srgrimes break; 2321553Srgrimes if (type == GRPQUOTA && strcmp(opt, grpname) == 0) 2331553Srgrimes break; 2341553Srgrimes } 2351553Srgrimes if (!opt) 2361553Srgrimes return (0); 2371553Srgrimes if (cp) { 2381553Srgrimes *qfnamep = cp; 2391553Srgrimes return (1); 2401553Srgrimes } 2411553Srgrimes (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]); 2421553Srgrimes *qfnamep = buf; 2431553Srgrimes return (1); 2441553Srgrimes} 2451553Srgrimes 2461553Srgrimes/* 24796705Strhodes * Verify filesystem is mounted and not readonly. 2481553Srgrimes */ 24930371Scharnierint 2501553Srgrimesreadonly(fs) 2511553Srgrimes register struct fstab *fs; 2521553Srgrimes{ 2531553Srgrimes struct statfs fsbuf; 2541553Srgrimes 2551553Srgrimes if (statfs(fs->fs_file, &fsbuf) < 0 || 2561553Srgrimes strcmp(fsbuf.f_mntonname, fs->fs_file) || 2571553Srgrimes strcmp(fsbuf.f_mntfromname, fs->fs_spec)) { 2581553Srgrimes printf("%s: not mounted\n", fs->fs_file); 2591553Srgrimes return (1); 2601553Srgrimes } 2611553Srgrimes if (fsbuf.f_flags & MNT_RDONLY) { 2621553Srgrimes printf("%s: mounted read-only\n", fs->fs_file); 2631553Srgrimes return (1); 2641553Srgrimes } 2651553Srgrimes return (0); 2661553Srgrimes} 267