# 2.11BSD#431 - /usr/src/usr.sbin/quotaon/quotaon.c

##### Functions

    hasquota          X
    main              X
    oneof             X
    quotaonoff        X
    readonly          X
    usage             X

##### Variables

    aflag             X
    qfname            X
    vflag             X

       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. All advertising materials mentioning features or use of this software
      17:  *    must display the following acknowledgement:
      18:  *	This product includes software developed by the University of
      19:  *	California, Berkeley and its contributors.
      20:  * 4. Neither the name of the University nor the names of its contributors
      21:  *    may be used to endorse or promote products derived from this software
      22:  *    without specific prior written permission.
      23:  *
      24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      34:  * SUCH DAMAGE.
      35:  */
      36:
      37: #if !defined(lint) && defined(DOSCCS)
      38: static char copyright[] =
      39: "@(#) Copyright (c) 1980, 1990, 1993\n\
      40: 	The Regents of the University of California.  All rights reserved.\n";
      41:
      42: static char sccsid[] = "@(#)quotaon.c	8.1.1 (2.11BSD) 1996/1/21";
      43: #endif /* not lint */
      44:
      45: /*
      46:  * Turn quota on/off for a filesystem.
      47:  */
      48: #include <sys/param.h>
      49: #include <sys/file.h>
      50: #include <sys/mount.h>
      51: #include <stdio.h>
      52: #include <fstab.h>
      53: #include <string.h>
      54: #include <stdlib.h>
      55:
      56: char *qfname = "quotas";
      57:
      58: int aflag;      /* all file systems */
      59: int vflag;      /* verbose */
      60:
      61: main(argc, argv)
      62:     int argc;
      63:     char **argv;
      64: {
      65:     register struct fstab *fs;
      66:     char ch, *qfnp, *whoami;
      67:     long done = 0;
      68:     int i, argnum, offmode = 0, errs = 0;
      69:
      70:     whoami = rindex(*argv, '/') + 1;
      71:     if (whoami == (char *)1)
      72:         whoami = *argv;
      73:     if (strcmp(whoami, "quotaoff") == 0)
      74:         offmode++;
      75:     else if (strcmp(whoami, "quotaon") != 0) {
      76:         fprintf(stderr, "Name must be quotaon or quotaoff not %s\n",
      77:             whoami);
      78:         exit(1);
      79:     }
      80:     while ((ch = getopt(argc, argv, "avug")) != EOF) {
      81:         switch(ch) {
      82:         case 'a':
      83:             aflag++;
      84:             break;
      85:         case 'v':
      86:             vflag++;
      87:             break;
      88:         default:
      89:             usage(whoami);
      90:         }
      91:     }
      92:     argc -= optind;
      93:     argv += optind;
      94:     if (argc <= 0 && !aflag)
      95:         usage(whoami);
      96:     setfsent();
      97:     while ((fs = getfsent()) != NULL) {
      98:         if (strcmp(fs->fs_type, FSTAB_RQ) == 0)  /* XXX compatibility */
      99:             fs->fs_type = FSTAB_RW;
     100:         if (strcmp(fs->fs_vfstype, "ufs") ||
     101:             strcmp(fs->fs_type, FSTAB_RW))
     102:             continue;
     103:         if (aflag) {
     104:             if (hasquota(fs, &qfnp))
     105:                 errs += quotaonoff(fs, offmode, qfnp);
     106:             continue;
     107:         }
     108:         if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
     109:             (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
     110:             done |= 1 << argnum;
     111:             if (hasquota(fs, &qfnp))
     112:                 errs += quotaonoff(fs, offmode, qfnp);
     113:         }
     114:     }
     115:     endfsent();
     116:     for (i = 0; i < argc; i++)
     117:         if ((done & (1 << i)) == 0)
     118:             fprintf(stderr, "%s not found in fstab\n",
     119:                 argv[i]);
     120:     exit(errs);
     121: }
     122:
     123: usage(whoami)
     124:     char *whoami;
     125: {
     126:
     127:     fprintf(stderr, "Usage:\n\t%s [-v] -a\n", whoami);
     128:     fprintf(stderr, "\t%s [-v] filesys ...\n", whoami);
     129:     exit(1);
     130: }
     131:
     132: quotaonoff(fs, offmode, qfpathname)
     133:     register struct fstab *fs;
     134:     int offmode;
     135:     char *qfpathname;
     136: {
     137:
     138:     if (strcmp(fs->fs_file, "/") && readonly(fs))
     139:         return (1);
     140:     if (offmode) {
     141:         if (setquota(fs->fs_spec, (char *)NULL) < 0) {
     142:             fprintf(stderr, "quotaoff: ");
     143:             perror(fs->fs_spec);
     144:             return (1);
     145:         }
     146:         if (vflag)
     147:             printf("%s: quotas turned off\n", fs->fs_file);
     148:         return (0);
     149:     }
     150:     if (setquota(fs->fs_spec, qfpathname) < 0) {
     151:         fprintf(stderr, "quotaon: using %s on", qfpathname);
     152:         perror(fs->fs_file);
     153:         return (1);
     154:     }
     155:     if (vflag)
     156:         printf("%s: quotas turned on\n", fs->fs_file);
     157:     return (0);
     158: }
     159:
     160: /*
     161:  * Check to see if target appears in list of size cnt.
     162:  */
     163: oneof(target, list, cnt)
     164:     register char *target, *list[];
     165:     int cnt;
     166: {
     167:     register int i;
     168:
     169:     for (i = 0; i < cnt; i++)
     170:         if (strcmp(target, list[i]) == 0)
     171:             return (i);
     172:     return (-1);
     173: }
     174:
     175: /*
     176:  * Check to see if a particular quota is to be enabled.
     177:  */
     178: hasquota(fs, qfnamep)
     179:     register struct fstab *fs;
     180:     char **qfnamep;
     181: {
     182:     register char *opt;
     183:     char *cp;
     184:     static char initname, usrname[100];
     185:     static char buf[BUFSIZ];
     186:
     187:     if (!initname) {
     188:         strcpy(usrname, qfname);
     189:         initname = 1;
     190:     }
     191:     strcpy(buf, fs->fs_mntops);
     192:     for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
     193:         if (cp = index(opt, '='))
     194:             *cp++ = '\0';
     195:         if (strcmp(opt, usrname) == 0)
     196:             break;
     197:         if (strcmp(opt, FSTAB_RQ) == 0) /* XXX compatibility */
     198:             break;
     199:     }
     200:     if (!opt)
     201:         return (0);
     202:     if (cp) {
     203:         *qfnamep = cp;
     204:         return (1);
     205:     }
     206:     (void) sprintf(buf, "%s/%s", fs->fs_file, qfname);
     207:     *qfnamep = buf;
     208:     return (1);
     209: }
     210:
     211: /*
     212:  * Verify file system is mounted and not readonly.
     213:  */
     214: readonly(fs)
     215:     register struct fstab *fs;
     216: {
     217:     struct statfs fsbuf;
     218:
     219:     if (statfs(fs->fs_file, &fsbuf) < 0 ||
     220:         strcmp(fsbuf.f_mntonname, fs->fs_file) ||
     221:         strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
     222:         printf("%s: not mounted\n", fs->fs_file);
     223:         return (1);
     224:     }
     225:     if (fsbuf.f_flags & MNT_RDONLY) {
     226:         printf("%s: mounted read-only\n", fs->fs_file);
     227:         return (1);
     228:     }
     229:     return (0);
     230: }

#### Defined functions

hasquota defined in line 178; used 2 times

- in line 104, 111

main defined in line 61; never used
oneof defined in line 163; used 2 times

- in line 108-109(2)

quotaonoff defined in line 132; used 2 times

- in line 105, 112

readonly defined in line 214; used 1 times

- in line 138

usage defined in line 123; used 2 times

- in line 89, 95

#### Defined variables

aflag defined in line 58; used 3 times

- in line 83, 94, 103

copyright defined in line 38; never used
qfname defined in line 56; used 2 times

- in line 188, 206

sccsid defined in line 42; never used
vflag defined in line 59; used 3 times

- in line 86, 146, 155

Last modified: 1996-01-22 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 1469 |