1 /* 2 * Copyright (c) 1980, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Robert Elz at The University of Melbourne. 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 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #if 0 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1990, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)quotaon.c 8.1 (Berkeley) 6/6/93"; 42 #endif /* not lint */ 43 #endif 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 /* 48 * Turn quota on/off for a filesystem. 49 */ 50 #include <sys/param.h> 51 #include <sys/file.h> 52 #include <sys/mount.h> 53 #include <ufs/ufs/quota.h> 54 #include <err.h> 55 #include <fstab.h> 56 #include <libutil.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <unistd.h> 61 62 const char *qfname = QUOTAFILENAME; 63 const char *qfextension[] = INITQFNAMES; 64 65 int aflag; /* all filesystems */ 66 int gflag; /* operate on group quotas */ 67 int uflag; /* operate on user quotas */ 68 int vflag; /* verbose */ 69 70 int oneof(char *, char *[], int); 71 int quotaonoff(struct fstab *fs, int, int); 72 static void usage(void); 73 74 int 75 main(int argc, char **argv) 76 { 77 struct fstab *fs; 78 const char *whoami; 79 long argnum, done = 0; 80 int ch, i, offmode = 0, errs = 0; 81 82 whoami = getprogname(); 83 if (strcmp(whoami, "quotaoff") == 0) 84 offmode++; 85 else if (strcmp(whoami, "quotaon") != 0) 86 errx(1, "name must be quotaon or quotaoff"); 87 while ((ch = getopt(argc, argv, "avug")) != -1) { 88 switch(ch) { 89 case 'a': 90 aflag++; 91 break; 92 case 'g': 93 gflag++; 94 break; 95 case 'u': 96 uflag++; 97 break; 98 case 'v': 99 vflag++; 100 break; 101 default: 102 usage(); 103 } 104 } 105 argc -= optind; 106 argv += optind; 107 if (argc <= 0 && !aflag) 108 usage(); 109 if (!gflag && !uflag) { 110 gflag++; 111 uflag++; 112 } 113 setfsent(); 114 while ((fs = getfsent()) != NULL) { 115 if (strcmp(fs->fs_vfstype, "ufs") || 116 strcmp(fs->fs_type, FSTAB_RW)) 117 continue; 118 if (aflag) { 119 if (gflag) 120 errs += quotaonoff(fs, offmode, GRPQUOTA); 121 if (uflag) 122 errs += quotaonoff(fs, offmode, USRQUOTA); 123 continue; 124 } 125 if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 || 126 (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) { 127 done |= 1 << argnum; 128 if (gflag) 129 errs += quotaonoff(fs, offmode, GRPQUOTA); 130 if (uflag) 131 errs += quotaonoff(fs, offmode, USRQUOTA); 132 } 133 } 134 endfsent(); 135 for (i = 0; i < argc; i++) 136 if ((done & (1 << i)) == 0) 137 warnx("%s not found in fstab", argv[i]); 138 exit(errs); 139 } 140 141 static void 142 usage(void) 143 { 144 145 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 ..."); 150 exit(1); 151 } 152 153 int 154 quotaonoff(struct fstab *fs, int offmode, int type) 155 { 156 struct quotafile *qf; 157 158 if ((qf = quota_open(fs, type, O_RDONLY)) == NULL) 159 return (0); 160 if (offmode) { 161 if (quota_off(qf) != 0) { 162 warn("%s", quota_fsname(qf)); 163 return (1); 164 } 165 if (vflag) 166 printf("%s: quotas turned off\n", quota_fsname(qf)); 167 quota_close(qf); 168 return(0); 169 } 170 if (quota_on(qf) != 0) { 171 warn("using %s on %s", quota_qfname(qf), quota_fsname(qf)); 172 return (1); 173 } 174 if (vflag) 175 printf("%s: %s quotas turned on with data file %s\n", 176 quota_fsname(qf), qfextension[type], quota_qfname(qf)); 177 quota_close(qf); 178 return(0); 179 } 180 181 /* 182 * Check to see if target appears in list of size cnt. 183 */ 184 int 185 oneof(char *target, char *list[], int cnt) 186 { 187 int i; 188 189 for (i = 0; i < cnt; i++) 190 if (strcmp(target, list[i]) == 0) 191 return (i); 192 return (-1); 193 } 194