BSD 4_4 release

[unix-history] / usr / src / usr.sbin / quotaon / quotaon.c

diff --git a/usr/src/usr.sbin/quotaon/quotaon.c b/usr/src/usr.sbin/quotaon/quotaon.c
index 47bac71..8eabd27 100644 (file)
--- a/usr/src/usr.sbin/quotaon/quotaon.c
+++ b/usr/src/usr.sbin/quotaon/quotaon.c
@@ -1,28 +1,47 @@
 /*
 /*

- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1980, 1990, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  *

- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * This code is derived from software contributed to Berkeley by
+ * Robert Elz at The University of Melbourne.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.

  */
 
 #ifndef lint
  */
 
 #ifndef lint

-char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
+static char copyright[] =
+"@(#) Copyright (c) 1980, 1990, 1993\n\
+       The Regents of the University of California.  All rights reserved.\n";

 #endif /* not lint */
 
 #ifndef lint
 #endif /* not lint */
 
 #ifndef lint

-static char sccsid[] = "@(#)quotaon.c  5.4 (Berkeley) %G%";
+static char sccsid[] = "@(#)quotaon.c  8.1 (Berkeley) 6/6/93";

 #endif /* not lint */
 
 /*
 #endif /* not lint */
 
 /*


@@ -30,28 +49,29 @@ static char sccsid[] = "@(#)quotaon.c       5.4 (Berkeley) %G%";
  */
 #include <sys/param.h>
 #include <sys/file.h>
  */
 #include <sys/param.h>
 #include <sys/file.h>

+#include <sys/mount.h>
+#include <ufs/ufs/quota.h>

 #include <stdio.h>
 #include <fstab.h>
 #include <stdio.h>
 #include <fstab.h>

-#include <mtab.h>

 
 

-struct mtab mtab[NMOUNT];
+char *qfname = QUOTAFILENAME;
+char *qfextension[] = INITQFNAMES;

 
 

-int    vflag;          /* verbose */

 int    aflag;          /* all file systems */
 int    aflag;          /* all file systems */

-int    done;
-int    mf;
-
-char   *qfname = "quotas";
-char   quotafile[MAXPATHLEN + 1];
-char   *index(), *rindex();
+int    gflag;          /* operate on group quotas */
+int    uflag;          /* operate on user quotas */
+int    vflag;          /* verbose */

 
 main(argc, argv)
        int argc;
        char **argv;
 {
        register struct fstab *fs;
 
 main(argc, argv)
        int argc;
        char **argv;
 {
        register struct fstab *fs;

-       char *whoami, *rindex();
-       int offmode = 0, errs = 0, i;
+       char ch, *qfnp, *whoami, *rindex();
+       long argnum, done = 0;
+       int i, offmode = 0, errs = 0;
+       extern char *optarg;
+       extern int optind;

 
        whoami = rindex(*argv, '/') + 1;
        if (whoami == (char *)1)
 
        whoami = rindex(*argv, '/') + 1;
        if (whoami == (char *)1)


@@ -63,119 +83,150 @@ main(argc, argv)
                        whoami);
                exit(1);
        }
                        whoami);
                exit(1);
        }

-again:
-       argc--, argv++;
-       if (argc > 0 && strcmp(*argv, "-v") == 0) {
-               vflag++;
-               goto again;
-       }
-       if (argc > 0 && strcmp(*argv, "-a") == 0) {
-               aflag++;
-               goto again;
+       while ((ch = getopt(argc, argv, "avug")) != EOF) {
+               switch(ch) {
+               case 'a':
+                       aflag++;
+                       break;
+               case 'g':
+                       gflag++;
+                       break;
+               case 'u':
+                       uflag++;
+                       break;
+               case 'v':
+                       vflag++;
+                       break;
+               default:
+                       usage(whoami);
+               }

        }
        }

-       if (argc <= 0 && !aflag) {
-               fprintf(stderr, "Usage:\n\t%s [-v] -a\n\t%s [-v] filesys ...\n",
-                       whoami, whoami);
-               exit(1);
+       argc -= optind;
+       argv += optind;
+       if (argc <= 0 && !aflag)
+               usage(whoami);
+       if (!gflag && !uflag) {
+               gflag++;
+               uflag++;

        }
        }

-       mf = open("/etc/mtab", O_RDONLY);
-       if (mf < 0) {
-               perror("/etc/mtab");
-               exit(1);
-       }
-       (void) read(mf, (char *)mtab, sizeof (mtab));
-       close(mf);

        setfsent();
        while ((fs = getfsent()) != NULL) {
        setfsent();
        while ((fs = getfsent()) != NULL) {

-               if (aflag &&
-                   (fs->fs_type == 0 || strcmp(fs->fs_type, "rq") != 0))
+               if (strcmp(fs->fs_vfstype, "ufs") ||
+                   strcmp(fs->fs_type, FSTAB_RW))

                        continue;
                        continue;

-               if (!aflag &&
-                   !(oneof(fs->fs_file, argv, argc) ||
-                     oneof(fs->fs_spec, argv, argc)))
+               if (aflag) {
+                       if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
+                               errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
+                       if (uflag && hasquota(fs, USRQUOTA, &qfnp))
+                               errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);

                        continue;
                        continue;

-               errs += quotaonoff(fs, offmode);
+               }
+               if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
+                   (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
+                       done |= 1 << argnum;
+                       if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
+                               errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
+                       if (uflag && hasquota(fs, USRQUOTA, &qfnp))
+                               errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
+               }

        }
        endfsent();
        for (i = 0; i < argc; i++)
                if ((done & (1 << i)) == 0)
        }
        endfsent();
        for (i = 0; i < argc; i++)
                if ((done & (1 << i)) == 0)

-                       fprintf(stderr, "%s not found in /etc/fstab\n",
+                       fprintf(stderr, "%s not found in fstab\n",

                                argv[i]);
        exit(errs);
 }
 
                                argv[i]);
        exit(errs);
 }
 

-quotaonoff(fs, offmode)
+usage(whoami)
+       char *whoami;
+{
+
+       fprintf(stderr, "Usage:\n\t%s [-g] [-u] [-v] -a\n", whoami);
+       fprintf(stderr, "\t%s [-g] [-u] [-v] filesys ...\n", whoami);
+       exit(1);
+}
+
+quotaonoff(fs, offmode, type, qfpathname)

        register struct fstab *fs;
        register struct fstab *fs;

-       int offmode;
+       int offmode, type;
+       char *qfpathname;

 {
 
        if (strcmp(fs->fs_file, "/") && readonly(fs))
                return (1);
        if (offmode) {
 {
 
        if (strcmp(fs->fs_file, "/") && readonly(fs))
                return (1);
        if (offmode) {

-               if (setquota(fs->fs_spec, NULL) < 0)
-                       goto bad;
+               if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) {
+                       fprintf(stderr, "quotaoff: ");
+                       perror(fs->fs_file);
+                       return (1);
+               }

                if (vflag)
                        printf("%s: quotas turned off\n", fs->fs_file);
                if (vflag)
                        printf("%s: quotas turned off\n", fs->fs_file);

-               changemtab(fs, FSTAB_RW);

                return (0);
        }
                return (0);
        }

-       (void) sprintf(quotafile, "%s/%s", fs->fs_file, qfname);
-       if (setquota(fs->fs_spec, quotafile) < 0)
-               goto bad;
+       if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) {
+               fprintf(stderr, "quotaon: using %s on", qfpathname);
+               perror(fs->fs_file);
+               return (1);
+       }

        if (vflag)
        if (vflag)

-               printf("%s: quotas turned on\n", fs->fs_file);
-       changemtab(fs, FSTAB_RQ);
+               printf("%s: %s quotas turned on\n", fs->fs_file,
+                   qfextension[type]);

        return (0);
        return (0);

-bad:
-       fprintf(stderr, "setquota: ");
-       perror(fs->fs_spec);
-       return (1);

 }
 
 }
 

-oneof(target, list, n)
-       char *target, *list[];
-       register int n;
+/*
+ * Check to see if target appears in list of size cnt.
+ */
+oneof(target, list, cnt)
+       register char *target, *list[];
+       int cnt;

 {
        register int i;
 
 {
        register int i;
 

-       for (i = 0; i < n; i++)
-               if (strcmp(target, list[i]) == 0) {
-                       done |= 1 << i;
-                       return (1);
-               }
-       return (0);
+       for (i = 0; i < cnt; i++)
+               if (strcmp(target, list[i]) == 0)
+                       return (i);
+       return (-1);

 }
 
 }
 

-changemtab(fs, type)
+/*
+ * Check to see if a particular quota is to be enabled.
+ */
+hasquota(fs, type, qfnamep)

        register struct fstab *fs;
        register struct fstab *fs;

-       char *type;
+       int type;
+       char **qfnamep;

 {
 {

-       register struct mtab *mp;
-       register char *cp;
-
-       cp = index(fs->fs_spec, '\0');
-       while (*--cp == '/')
-               *cp = '\0';
-       cp = rindex(fs->fs_spec, '/');
-       if (cp)
-               cp++;
-       else
-               cp = fs->fs_spec;
-       for (mp = mtab; mp < &mtab[NMOUNT]; mp++)
-               if (strcmp(mp->m_dname, cp) == 0)
-                       goto replace;
-       for (mp = mtab; mp < &mtab[NMOUNT]; mp++)
-               if (mp->m_path[0] == '\0')
-                       goto replace;
-       return;
-replace:
-       strcpy(mp->m_type, type);
-       mp = mtab + NMOUNT - 1;
-       while (mp > mtab && mp->m_path[0] == '\0')
-               --mp;
-       mf = creat("/etc/mtab", 0644);
-       (void) write(mf, (char *)mtab, (mp - mtab + 1) * sizeof (struct mtab));
-       close(mf);
+       register char *opt;
+       char *cp, *index(), *strtok();
+       static char initname, usrname[100], grpname[100];
+       static char buf[BUFSIZ];
+
+       if (!initname) {
+               sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
+               sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
+               initname = 1;
+       }
+       strcpy(buf, fs->fs_mntops);
+       for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
+               if (cp = index(opt, '='))
+                       *cp++ = '\0';
+               if (type == USRQUOTA && strcmp(opt, usrname) == 0)
+                       break;
+               if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
+                       break;
+       }
+       if (!opt)
+               return (0);
+       if (cp) {
+               *qfnamep = cp;
+               return (1);
+       }
+       (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
+       *qfnamep = buf;
+       return (1);

 }
 
 /*
 }
 
 /*


@@ -184,28 +235,17 @@ replace:
 readonly(fs)
        register struct fstab *fs;
 {
 readonly(fs)
        register struct fstab *fs;
 {

-       register struct mtab *mp;
-       register char *cp;
-
-       cp = index(fs->fs_spec, '\0');
-       while (*--cp == '/')
-               *cp = '\0';
-       cp = rindex(fs->fs_spec, '/');
-       if (cp)
-               cp++;
-       else
-               cp = fs->fs_spec;
-       for (mp = mtab; mp < mtab + NMOUNT; mp++) {
-               if (mp->m_path[0] == '\0')
-                       continue;
-               if (strcmp(cp, mp->m_dname) == 0) {
-                       if (strcmp(mp->m_type, FSTAB_RO) == 0) {
-                               printf("%s: mounted read-only\n", fs->fs_file);
-                               return (1);
-                       }
-                       return (0);
-               }
+       struct statfs fsbuf;
+
+       if (statfs(fs->fs_file, &fsbuf) < 0 ||
+           strcmp(fsbuf.f_mntonname, fs->fs_file) ||
+           strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
+               printf("%s: not mounted\n", fs->fs_file);
+               return (1);

        }
        }

-       printf("%s: not mounted\n", fs->fs_file);
-       return (1);
+       if (fsbuf.f_flags & MNT_RDONLY) {
+               printf("%s: mounted read-only\n", fs->fs_file);
+               return (1);
+       }
+       return (0);

 }
 }