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 * 3. 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 static const char *qfextension[] = INITQFNAMES; 63 64 static int aflag; /* all filesystems */ 65 static int gflag; /* operate on group quotas */ 66 static int uflag; /* operate on user quotas */ 67 static int vflag; /* verbose */ 68 69 static int oneof(char *, char *[], int); 70 static int quotaonoff(struct fstab *fs, int, int); 71 static void usage(void); 72 73 int 74 main(int argc, char **argv) 75 { 76 struct fstab *fs; 77 const char *whoami; 78 long argnum, done = 0; 79 int ch, i, offmode = 0, errs = 0; 80 81 whoami = getprogname(); 82 if (strcmp(whoami, "quotaoff") == 0) 83 offmode++; 84 else if (strcmp(whoami, "quotaon") != 0) 85 errx(1, "name must be quotaon or quotaoff"); 86 while ((ch = getopt(argc, argv, "avug")) != -1) { 87 switch(ch) { 88 case 'a': 89 aflag++; 90 break; 91 case 'g': 92 gflag++; 93 break; 94 case 'u': 95 uflag++; 96 break; 97 case 'v': 98 vflag++; 99 break; 100 default: 101 usage(); 102 } 103 } 104 argc -= optind; 105 argv += optind; 106 if (argc <= 0 && !aflag) 107 usage(); 108 if (!gflag && !uflag) { 109 gflag++; 110 uflag++; 111 } 112 setfsent(); 113 while ((fs = getfsent()) != NULL) { 114 if (strcmp(fs->fs_vfstype, "ufs") || 115 strcmp(fs->fs_type, FSTAB_RW)) 116 continue; 117 if (aflag) { 118 if (gflag) 119 errs += quotaonoff(fs, offmode, GRPQUOTA); 120 if (uflag) 121 errs += quotaonoff(fs, offmode, USRQUOTA); 122 continue; 123 } 124 if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 || 125 (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) { 126 done |= 1 << argnum; 127 if (gflag) 128 errs += quotaonoff(fs, offmode, GRPQUOTA); 129 if (uflag) 130 errs += quotaonoff(fs, offmode, USRQUOTA); 131 } 132 } 133 endfsent(); 134 for (i = 0; i < argc; i++) 135 if ((done & (1 << i)) == 0) 136 warnx("%s not found in fstab", argv[i]); 137 exit(errs); 138 } 139 140 static void 141 usage(void) 142 { 143 144 fprintf(stderr, "%s\n%s\n%s\n%s\n", 145 "usage: quotaon [-g] [-u] [-v] -a", 146 " quotaon [-g] [-u] [-v] filesystem ...", 147 " quotaoff [-g] [-u] [-v] -a", 148 " quotaoff [-g] [-u] [-v] filesystem ..."); 149 exit(1); 150 } 151 152 static int 153 quotaonoff(struct fstab *fs, int offmode, int type) 154 { 155 struct quotafile *qf; 156 157 if ((qf = quota_open(fs, type, O_RDONLY)) == NULL) 158 return (0); 159 if (offmode) { 160 if (quota_off(qf) != 0) { 161 warn("%s", quota_fsname(qf)); 162 return (1); 163 } 164 if (vflag) 165 printf("%s: quotas turned off\n", quota_fsname(qf)); 166 quota_close(qf); 167 return(0); 168 } 169 if (quota_on(qf) != 0) { 170 warn("using %s on %s", quota_qfname(qf), quota_fsname(qf)); 171 return (1); 172 } 173 if (vflag) 174 printf("%s: %s quotas turned on with data file %s\n", 175 quota_fsname(qf), qfextension[type], quota_qfname(qf)); 176 quota_close(qf); 177 return(0); 178 } 179 180 /* 181 * Check to see if target appears in list of size cnt. 182 */ 183 static int 184 oneof(char *target, char *list[], int cnt) 185 { 186 int i; 187 188 for (i = 0; i < cnt; i++) 189 if (strcmp(target, list[i]) == 0) 190 return (i); 191 return (-1); 192 } 193