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

/*
 * Copyright (c) 1980, 1990 Regents of the University of California.
 * All rights reserved.
 *
 * 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
char copyright[] =
"@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)quotaon.c	5.12 (Berkeley) 9/27/90";
#endif /* not lint */

/*
 * Turn quota on/off for a filesystem.
 */
#include <sys/param.h>
#include <sys/file.h>
#include <sys/mount.h>
#include <ufs/quota.h>
#include <stdio.h>
#include <fstab.h>

char *qfname = QUOTAFILENAME;
char *qfextension[] = INITQFNAMES;

int	aflag;		/* all file systems */
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;
	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 = *argv;
	if (strcmp(whoami, "quotaoff") == 0)
		offmode++;
	else if (strcmp(whoami, "quotaon") != 0) {
		fprintf(stderr, "Name must be quotaon or quotaoff not %s\n",
			whoami);
		exit(1);
	}
	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);
		}
	}
	argc -= optind;
	argv += optind;
	if (argc <= 0 && !aflag)
		usage(whoami);
	if (!gflag && !uflag) {
		gflag++;
		uflag++;
	}
	setfsent();
	while ((fs = getfsent()) != NULL) {
		if (strcmp(fs->fs_vfstype, "ufs") ||
		    strcmp(fs->fs_type, FSTAB_RW))
			continue;
		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;
		}
		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)
			fprintf(stderr, "%s not found in fstab\n",
				argv[i]);
	exit(errs);
}

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;
	int offmode, type;
	char *qfpathname;
{

	if (strcmp(fs->fs_file, "/") && readonly(fs))
		return (1);
	if (offmode) {
		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);
		return (0);
	}
	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)
		printf("%s: %s quotas turned on\n", fs->fs_file,
		    qfextension[type]);
	return (0);
}

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

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

/*
 * Check to see if a particular quota is to be enabled.
 */
hasquota(fs, type, qfnamep)
	register struct fstab *fs;
	int type;
	char **qfnamep;
{
	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);
}

/*
 * Verify file system is mounted and not readonly.
 */
readonly(fs)
	register struct fstab *fs;
{
	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);
	}
	if (fsbuf.f_flags & MNT_RDONLY) {
		printf("%s: mounted read-only\n", fs->fs_file);
		return (1);
	}
	return (0);
}
Commit	Line	Data
15637ed4 RG	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, 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	#ifndef lint
	38	char copyright[] =
	39	"@(#) Copyright (c) 1980, 1990 Regents of the University of California.\n\
	40	All rights reserved.\n";
	41	#endif /* not lint */
	42
	43	#ifndef lint
	44	static char sccsid[] = "@(#)quotaon.c 5.12 (Berkeley) 9/27/90";
	45	#endif /* not lint */
	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/quota.h>
	54	#include <stdio.h>
	55	#include <fstab.h>
	56
	57	char *qfname = QUOTAFILENAME;
	58	char *qfextension[] = INITQFNAMES;
	59
	60	int aflag; /* all file systems */
	61	int gflag; /* operate on group quotas */
	62	int uflag; /* operate on user quotas */
	63	int vflag; /* verbose */
	64
65	main(argc, argv)
66	int argc;
67	char **argv;
68	{
69	register struct fstab *fs;
70	char ch, qfnp, whoami, *rindex();
71	long argnum, done = 0;
72	int i, offmode = 0, errs = 0;
73	extern char *optarg;
74	extern int optind;
75
76	whoami = rindex(*argv, '/') + 1;
77	if (whoami == (char *)1)
78	whoami = *argv;
79	if (strcmp(whoami, "quotaoff") == 0)
80	offmode++;
81	else if (strcmp(whoami, "quotaon") != 0) {
82	fprintf(stderr, "Name must be quotaon or quotaoff not %s\n",
83	whoami);
84	exit(1);
85	}
86	while ((ch = getopt(argc, argv, "avug")) != EOF) {
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(whoami);
102	}
103	}
104	argc -= optind;
105	argv += optind;
106	if (argc <= 0 && !aflag)
107	usage(whoami);
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 && hasquota(fs, GRPQUOTA, &qfnp))
119	errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
120	if (uflag && hasquota(fs, USRQUOTA, &qfnp))
121	errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
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 && hasquota(fs, GRPQUOTA, &qfnp))
128	errs += quotaonoff(fs, offmode, GRPQUOTA, qfnp);
129	if (uflag && hasquota(fs, USRQUOTA, &qfnp))
130	errs += quotaonoff(fs, offmode, USRQUOTA, qfnp);
131	}
132	}
133	endfsent();
134	for (i = 0; i < argc; i++)
135	if ((done & (1 << i)) == 0)
136	fprintf(stderr, "%s not found in fstab\n",
137	argv[i]);
138	exit(errs);
139	}
140
141	usage(whoami)
142	char *whoami;
143	{
144
145	fprintf(stderr, "Usage:\n\t%s [-g] [-u] [-v] -a\n", whoami);
146	fprintf(stderr, "\t%s [-g] [-u] [-v] filesys ...\n", whoami);
147	exit(1);
148	}
149
150	quotaonoff(fs, offmode, type, qfpathname)
151	register struct fstab *fs;
152	int offmode, type;
153	char *qfpathname;
154	{
155
156	if (strcmp(fs->fs_file, "/") && readonly(fs))
157	return (1);
158	if (offmode) {
159	if (quotactl(fs->fs_file, QCMD(Q_QUOTAOFF, type), 0, 0) < 0) {
160	fprintf(stderr, "quotaoff: ");
161	perror(fs->fs_file);
162	return (1);
163	}
164	if (vflag)
165	printf("%s: quotas turned off\n", fs->fs_file);
166	return (0);
167	}
168	if (quotactl(fs->fs_file, QCMD(Q_QUOTAON, type), 0, qfpathname) < 0) {
169	fprintf(stderr, "quotaon: using %s on", qfpathname);
170	perror(fs->fs_file);
171	return (1);
172	}
173	if (vflag)
174	printf("%s: %s quotas turned on\n", fs->fs_file,
175	qfextension[type]);
176	return (0);
177	}
178
179	/*
180	* Check to see if target appears in list of size cnt.
181	*/
182	oneof(target, list, cnt)
183	register char target, list[];
184	int cnt;
185	{
186	register 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
194	/*
195	* Check to see if a particular quota is to be enabled.
196	*/
197	hasquota(fs, type, qfnamep)
198	register struct fstab *fs;
199	int type;
200	char **qfnamep;
201	{
202	register char *opt;
203	char cp, index(), *strtok();
204	static char initname, usrname[100], grpname[100];
205	static char buf[BUFSIZ];
206
207	if (!initname) {
208	sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
209	sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
210	initname = 1;
211	}
212	strcpy(buf, fs->fs_mntops);
213	for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
214	if (cp = index(opt, '='))
215	*cp++ = '\0';
216	if (type == USRQUOTA && strcmp(opt, usrname) == 0)
217	break;
218	if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
219	break;
220	}
221	if (!opt)
222	return (0);
223	if (cp) {
224	*qfnamep = cp;
225	return (1);
226	}
227	(void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
228	*qfnamep = buf;
229	return (1);
230	}
231
232	/*
233	* Verify file system is mounted and not readonly.
234	*/
235	readonly(fs)
236	register struct fstab *fs;
237	{
238	struct statfs fsbuf;
239
240	if (statfs(fs->fs_file, &fsbuf) < 0 \|\|
241	strcmp(fsbuf.f_mntonname, fs->fs_file) \|\|
242	strcmp(fsbuf.f_mntfromname, fs->fs_spec)) {
243	printf("%s: not mounted\n", fs->fs_file);
244	return (1);
245	}
246	if (fsbuf.f_flags & MNT_RDONLY) {
247	printf("%s: mounted read-only\n", fs->fs_file);
248	return (1);
249	}
250	return (0);
251	}