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 char *whoami; 79 long argnum, done = 0; 80 int ch, i, offmode = 0, errs = 0; 81 82 whoami = rindex(*argv, '/') + 1; 83 if (whoami == (char *)1) 84 whoami = *argv; 85 if (strcmp(whoami, "quotaoff") == 0) 86 offmode++; 87 else if (strcmp(whoami, "quotaon") != 0) 88 errx(1, "name must be quotaon or quotaoff"); 89 while ((ch = getopt(argc, argv, "avug")) != -1) { 90 switch(ch) { 91 case 'a': 92 aflag++; 93 break; 94 case 'g': 95 gflag++; 96 break; 97 case 'u': 98 uflag++; 99 break; 100 case 'v': 101 vflag++; 102 break; 103 default: 104 usage(); 105 } 106 } 107 argc -= optind; 108 argv += optind; 109 if (argc <= 0 && !aflag) 110 usage(); 111 if (!gflag && !uflag) { 112 gflag++; 113 uflag++; 114 } 115 setfsent(); 116 while ((fs = getfsent()) != NULL) { 117 if (strcmp(fs->fs_vfstype, "ufs") || 118 strcmp(fs->fs_type, FSTAB_RW)) 119 continue; 120 if (aflag) { 121 if (gflag) 122 errs += quotaonoff(fs, offmode, GRPQUOTA); 123 if (uflag) 124 errs += quotaonoff(fs, offmode, USRQUOTA); 125 continue; 126 } 127 if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 || 128 (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) { 129 done |= 1 << argnum; 130 if (gflag) 131 errs += quotaonoff(fs, offmode, GRPQUOTA); 132 if (uflag) 133 errs += quotaonoff(fs, offmode, USRQUOTA); 134 } 135 } 136 endfsent(); 137 for (i = 0; i < argc; i++) 138 if ((done & (1 << i)) == 0) 139 warnx("%s not found in fstab", argv[i]); 140 exit(errs); 141 } 142 143 static void 144 usage(void) 145 { 146 147 fprintf(stderr, "%s\n%s\n%s\n%s\n", 148 "usage: quotaon [-g] [-u] [-v] -a", 149 " quotaon [-g] [-u] [-v] filesystem ...", 150 " quotaoff [-g] [-u] [-v] -a", 151 " quotaoff [-g] [-u] [-v] filesystem ..."); 152 exit(1); 153 } 154 155 int 156 quotaonoff(struct fstab *fs, int offmode, int type) 157 { 158 struct quotafile *qf; 159 160 if ((qf = quota_open(fs, type, O_RDONLY)) == NULL) 161 return (0); 162 if (offmode) { 163 if (quota_off(qf) != 0) { 164 warn("%s", quota_fsname(qf)); 165 return (1); 166 } 167 if (vflag) 168 printf("%s: quotas turned off\n", quota_fsname(qf)); 169 quota_close(qf); 170 return(0); 171 } 172 if (quota_on(qf) != 0) { 173 warn("using %s on %s", quota_qfname(qf), quota_fsname(qf)); 174 return (1); 175 } 176 if (vflag) 177 printf("%s: %s quotas turned on with data file %s\n", 178 quota_fsname(qf), qfextension[type], quota_qfname(qf)); 179 quota_close(qf); 180 return(0); 181 } 182 183 /* 184 * Check to see if target appears in list of size cnt. 185 */ 186 int 187 oneof(char *target, char *list[], int cnt) 188 { 189 int i; 190 191 for (i = 0; i < cnt; i++) 192 if (strcmp(target, list[i]) == 0) 193 return (i); 194 return (-1); 195 } 196