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1.1 root 1: /*
2: * Copyright (c) 1980, 1990 Regents of the University of California.
3: * 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 are permitted provided
9: * that: (1) source distributions retain this entire copyright notice and
10: * comment, and (2) distributions including binaries display the following
11: * acknowledgement: ``This product includes software developed by the
12: * University of California, Berkeley and its contributors'' in the
13: * documentation or other materials provided with the distribution and in
14: * all advertising materials mentioning features or use of this software.
15: * Neither the name of the University nor the names of its contributors may
16: * be used to endorse or promote products derived from this software without
17: * specific prior written permission.
18: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
19: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
20: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21: */
22:
23: #ifndef lint
24: char copyright[] =
25: "@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\
26: All rights reserved.\n";
27: #endif /* not lint */
28:
29: #ifndef lint
30: static char sccsid[] = "@(#)quotaon.c 5.11 (Berkeley) 6/1/90";
31: #endif /* not lint */
32:
33: /*
34: * Turn quota on/off for a filesystem.
35: */
36: #include <sys/param.h>
37: #include <sys/file.h>
38: #include <sys/mount.h>
39: #include <ufs/quota.h>
40: #include <stdio.h>
41: #include <fstab.h>
42:
43: int aflag; /* all file systems */
44: int gflag; /* operate on group quotas */
45: int uflag; /* operate on user quotas */
46: int vflag; /* verbose */
47:
48: main(argc, argv)
49: int argc;
50: char **argv;
51: {
52: register struct fstab *fs;
53: char ch, *qfnp, *whoami, *rindex();
54: long argnum, done = 0;
55: int i, offmode = 0, errs = 0;
56: extern char *optarg;
57: extern int optind;
58:
59: whoami = rindex(*argv, '/') + 1;
60: if (whoami == (char *)1)
61: whoami = *argv;
62: if (strcmp(whoami, "quotaoff") == 0)
63: offmode++;
64: else if (strcmp(whoami, "quotaon") != 0) {
65: fprintf(stderr, "Name must be quotaon or quotaoff not %s\n",
66: whoami);
67: exit(1);
68: }
69: while ((ch = getopt(argc, argv, "avug")) != EOF) {
70: switch(ch) {
71: case 'a':
72: aflag++;
73: break;
74: case 'g':
75: gflag++;
76: break;
77: case 'u':
78: uflag++;
79: break;
80: case 'v':
81: vflag++;
82: break;
83: default:
84: usage(whoami);
85: }
86: }
87: argc -= optind;
88: argv += optind;
89: if (argc <= 0 && !aflag)
90: usage(whoami);
91: if (!gflag && !uflag) {
92: gflag++;
93: uflag++;
94: }
95: setfsent();
96: while ((fs = getfsent()) != NULL) {
97: if (strcmp(fs->fs_vfstype, "ufs") ||
98: strcmp(fs->fs_type, FSTAB_RW))
99: continue;
100: if (aflag) {
101: if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
102: errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
103: if (uflag && hasquota(fs, USRQUOTA, &qfnp))
104: errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
105: continue;
106: }
107: if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
108: (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
109: done |= 1 << argnum;
110: if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
111: errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
112: if (uflag && hasquota(fs, USRQUOTA, &qfnp))
113: errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
114: }
115: }
116: endfsent();
117: for (i = 0; i < argc; i++)
118: if ((done & (1 << i)) == 0)
119: fprintf(stderr, "%s not found in fstab\n",
120: argv[i]);
121: exit(errs);
122: }
123:
124: usage(whoami)
125: char *whoami;
126: {
127:
128: fprintf(stderr, "Usage:\n\t%s [-g] [-u] [-v] -a\n", whoami);
129: fprintf(stderr, "\t%s [-g] [-u] [-v] filesys ...\n", whoami);
130: exit(1);
131: }
132:
133: quotaonoff(fs, offmode, type, qfpathname)
134: register struct fstab *fs;
135: int offmode, type;
136: char *qfpathname;
137: {
138:
139: if (strcmp(fs->fs_file, "/") && readonly(fs))
140: return (1);
141: if (offmode) {
142: if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) {
143: fprintf(stderr, "quotaoff: ");
144: perror(fs->fs_file);
145: return (1);
146: }
147: if (vflag)
148: printf("%s: quotas turned off\n", fs->fs_file);
149: return (0);
150: }
151: if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) {
152: fprintf(stderr, "quotaon: using %s on", qfpathname);
153: perror(fs->fs_file);
154: return (1);
155: }
156: if (vflag)
157: printf("%s: %s quotas turned on\n", fs->fs_file,
158: qfextension[type]);
159: return (0);
160: }
161:
162: /*
163: * Check to see if target appears in list of size cnt.
164: */
165: oneof(target, list, cnt)
166: register char *target, *list[];
167: int cnt;
168: {
169: register int i;
170:
171: for (i = 0; i < cnt; i++)
172: if (strcmp(target, list[i]) == 0)
173: return (i);
174: return (-1);
175: }
176:
177: /*
178: * Check to see if a particular quota is to be enabled.
179: */
180: hasquota(fs, type, qfnamep)
181: register struct fstab *fs;
182: int type;
183: char **qfnamep;
184: {
185: register char *opt;
186: char *cp, *index(), *strtok();
187: static char initname, usrname[100], grpname[100];
188: static char buf[BUFSIZ];
189:
190: if (!initname) {
191: sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
192: sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
193: initname = 1;
194: }
195: strcpy(buf, fs->fs_mntops);
196: for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
197: if (cp = index(opt, '='))
198: *cp++ = '\0';
199: if (type == USRQUOTA && strcmp(opt, usrname) == 0)
200: break;
201: if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
202: break;
203: }
204: if (!opt)
205: return (0);
206: if (cp) {
207: *qfnamep = cp;
208: return (1);
209: }
210: (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
211: *qfnamep = buf;
212: return (1);
213: }
214:
215: /*
216: * Verify file system is mounted and not readonly.
217: */
218: readonly(fs)
219: register struct fstab *fs;
220: {
221: struct statfs fsbuf;
222:
223: if (statfs(fs->fs_file, &fsbuf) < 0 ||
224: strcmp(fsbuf.f_mntonname, fs->fs_file) ||
225: strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
226: printf("%s: not mounted\n", fs->fs_file);
227: return (1);
228: }
229: if (fsbuf.f_flags & MNT_RDONLY) {
230: printf("%s: mounted read-only\n", fs->fs_file);
231: return (1);
232: }
233: return (0);
234: }
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