ac(8), from NetBSD, FreeBSD smoothing by Michael Reifenberger
[unix-history] / usr.sbin / repquota / repquota.c
CommitLineData
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
38char 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
44static char sccsid[] = "@(#)repquota.c 5.11 (Berkeley) 9/27/90";
45#endif /* not lint */
46
47/*
48 * Quota report
49 */
50#include <sys/param.h>
51#include <sys/stat.h>
52#include <ufs/quota.h>
53#include <fstab.h>
54#include <pwd.h>
55#include <grp.h>
56#include <stdio.h>
57#include <errno.h>
58
59char *qfname = QUOTAFILENAME;
60char *qfextension[] = INITQFNAMES;
61
62struct fileusage {
63 struct fileusage *fu_next;
64 struct dqblk fu_dqblk;
65 u_long fu_id;
66 char fu_name[1];
67 /* actually bigger */
68};
69#define FUHASH 1024 /* must be power of two */
70struct fileusage *fuhead[MAXQUOTAS][FUHASH];
71struct fileusage *lookup();
72struct fileusage *addid();
73u_long highid[MAXQUOTAS]; /* highest addid()'ed identifier per type */
74
75int vflag; /* verbose */
76int aflag; /* all file systems */
77
78main(argc, argv)
79 int argc;
80 char **argv;
81{
82 register struct fstab *fs;
83 register struct passwd *pw;
84 register struct group *gr;
85 int gflag = 0, uflag = 0, errs = 0;
86 long i, argnum, done = 0;
87 extern char *optarg;
88 extern int optind;
89 char ch, *qfnp;
90
91 while ((ch = getopt(argc, argv, "aguv")) != EOF) {
92 switch(ch) {
93 case 'a':
94 aflag++;
95 break;
96 case 'g':
97 gflag++;
98 break;
99 case 'u':
100 uflag++;
101 break;
102 case 'v':
103 vflag++;
104 break;
105 default:
106 usage();
107 }
108 }
109 argc -= optind;
110 argv += optind;
111 if (argc == 0 && !aflag)
112 usage();
113 if (!gflag && !uflag) {
114 if (aflag)
115 gflag++;
116 uflag++;
117 }
118 if (gflag) {
119 setgrent();
120 while ((gr = getgrent()) != 0)
121 (void) addid((u_long)gr->gr_gid, GRPQUOTA, gr->gr_name);
122 endgrent();
123 }
124 if (uflag) {
125 setpwent();
126 while ((pw = getpwent()) != 0)
127 (void) addid((u_long)pw->pw_uid, USRQUOTA, pw->pw_name);
128 endpwent();
129 }
130 setfsent();
131 while ((fs = getfsent()) != NULL) {
132 if (strcmp(fs->fs_vfstype, "ufs"))
133 continue;
134 if (aflag) {
135 if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
136 errs += repquota(fs, GRPQUOTA, qfnp);
137 if (uflag && hasquota(fs, USRQUOTA, &qfnp))
138 errs += repquota(fs, USRQUOTA, qfnp);
139 continue;
140 }
141 if ((argnum = oneof(fs->fs_file, argv, argc)) >= 0 ||
142 (argnum = oneof(fs->fs_spec, argv, argc)) >= 0) {
143 done |= 1 << argnum;
144 if (gflag && hasquota(fs, GRPQUOTA, &qfnp))
145 errs += repquota(fs, GRPQUOTA, qfnp);
146 if (uflag && hasquota(fs, USRQUOTA, &qfnp))
147 errs += repquota(fs, USRQUOTA, qfnp);
148 }
149 }
150 endfsent();
151 for (i = 0; i < argc; i++)
152 if ((done & (1 << i)) == 0)
153 fprintf(stderr, "%s not found in fstab\n", argv[i]);
154 exit(errs);
155}
156
157usage()
158{
159 fprintf(stderr, "Usage:\n\t%s\n\t%s\n",
160 "repquota [-v] [-g] [-u] -a",
161 "repquota [-v] [-g] [-u] filesys ...");
162 exit(1);
163}
164
165repquota(fs, type, qfpathname)
166 register struct fstab *fs;
167 int type;
168 char *qfpathname;
169{
170 register struct fileusage *fup;
171 FILE *qf;
172 u_long id;
173 struct dqblk dqbuf;
174 char *timeprt();
175 static struct dqblk zerodqblk;
176 static int warned = 0;
177 static int multiple = 0;
178 extern int errno;
179
180 if (quotactl(fs->fs_file, QCMD(Q_SYNC, type), 0, 0) < 0 &&
181 errno == EOPNOTSUPP && !warned && vflag) {
182 warned++;
183 fprintf(stdout,
184 "*** Warning: Quotas are not compiled into this kernel\n");
185 }
186 if (multiple++)
187 printf("\n");
188 if (vflag)
189 fprintf(stdout, "*** Report for %s quotas on %s (%s)\n",
190 qfextension[type], fs->fs_file, fs->fs_spec);
191 if ((qf = fopen(qfpathname, "r")) == NULL) {
192 perror(qfpathname);
193 return (1);
194 }
195 for (id = 0; ; id++) {
196 fread(&dqbuf, sizeof(struct dqblk), 1, qf);
197 if (feof(qf))
198 break;
199 if (dqbuf.dqb_curinodes == 0 && dqbuf.dqb_curblocks == 0)
200 continue;
201 if ((fup = lookup(id, type)) == 0)
202 fup = addid(id, type, (char *)0);
203 fup->fu_dqblk = dqbuf;
204 }
205 fclose(qf);
206 printf(" Block limits File limits\n");
207 printf("User used soft hard grace used soft hard grace\n");
208 for (id = 0; id <= highid[type]; id++) {
209 fup = lookup(id, type);
210 if (fup == 0)
211 continue;
212 if (fup->fu_dqblk.dqb_curinodes == 0 &&
213 fup->fu_dqblk.dqb_curblocks == 0)
214 continue;
215 printf("%-10s", fup->fu_name);
216 printf("%c%c%8d%8d%8d%7s",
217 fup->fu_dqblk.dqb_bsoftlimit &&
218 fup->fu_dqblk.dqb_curblocks >=
219 fup->fu_dqblk.dqb_bsoftlimit ? '+' : '-',
220 fup->fu_dqblk.dqb_isoftlimit &&
221 fup->fu_dqblk.dqb_curinodes >=
222 fup->fu_dqblk.dqb_isoftlimit ? '+' : '-',
223 dbtob(fup->fu_dqblk.dqb_curblocks) / 1024,
224 dbtob(fup->fu_dqblk.dqb_bsoftlimit) / 1024,
225 dbtob(fup->fu_dqblk.dqb_bhardlimit) / 1024,
226 fup->fu_dqblk.dqb_bsoftlimit &&
227 fup->fu_dqblk.dqb_curblocks >=
228 fup->fu_dqblk.dqb_bsoftlimit ?
229 timeprt(fup->fu_dqblk.dqb_btime) : "");
230 printf(" %6d%6d%6d%7s\n",
231 fup->fu_dqblk.dqb_curinodes,
232 fup->fu_dqblk.dqb_isoftlimit,
233 fup->fu_dqblk.dqb_ihardlimit,
234 fup->fu_dqblk.dqb_isoftlimit &&
235 fup->fu_dqblk.dqb_curinodes >=
236 fup->fu_dqblk.dqb_isoftlimit ?
237 timeprt(fup->fu_dqblk.dqb_itime) : "");
238 fup->fu_dqblk = zerodqblk;
239 }
240 return (0);
241}
242
243/*
244 * Check to see if target appears in list of size cnt.
245 */
246oneof(target, list, cnt)
247 register char *target, *list[];
248 int cnt;
249{
250 register int i;
251
252 for (i = 0; i < cnt; i++)
253 if (strcmp(target, list[i]) == 0)
254 return (i);
255 return (-1);
256}
257
258/*
259 * Check to see if a particular quota is to be enabled.
260 */
261hasquota(fs, type, qfnamep)
262 register struct fstab *fs;
263 int type;
264 char **qfnamep;
265{
266 register char *opt;
267 char *cp, *index(), *strtok();
268 static char initname, usrname[100], grpname[100];
269 static char buf[BUFSIZ];
270
271 if (!initname) {
272 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
273 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
274 initname = 1;
275 }
276 strcpy(buf, fs->fs_mntops);
277 for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
278 if (cp = index(opt, '='))
279 *cp++ = '\0';
280 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
281 break;
282 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
283 break;
284 }
285 if (!opt)
286 return (0);
287 if (cp) {
288 *qfnamep = cp;
289 return (1);
290 }
291 (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
292 *qfnamep = buf;
293 return (1);
294}
295
296/*
297 * Routines to manage the file usage table.
298 *
299 * Lookup an id of a specific type.
300 */
301struct fileusage *
302lookup(id, type)
303 u_long id;
304 int type;
305{
306 register struct fileusage *fup;
307
308 for (fup = fuhead[type][id & (FUHASH-1)]; fup != 0; fup = fup->fu_next)
309 if (fup->fu_id == id)
310 return (fup);
311 return ((struct fileusage *)0);
312}
313
314/*
315 * Add a new file usage id if it does not already exist.
316 */
317struct fileusage *
318addid(id, type, name)
319 u_long id;
320 int type;
321 char *name;
322{
323 struct fileusage *fup, **fhp;
324 int len;
325 extern char *calloc();
326
327 if (fup = lookup(id, type))
328 return (fup);
329 if (name)
330 len = strlen(name);
331 else
332 len = 10;
333 if ((fup = (struct fileusage *)calloc(1, sizeof(*fup) + len)) == NULL) {
334 fprintf(stderr, "out of memory for fileusage structures\n");
335 exit(1);
336 }
337 fhp = &fuhead[type][id & (FUHASH - 1)];
338 fup->fu_next = *fhp;
339 *fhp = fup;
340 fup->fu_id = id;
341 if (id > highid[type])
342 highid[type] = id;
343 if (name) {
344 bcopy(name, fup->fu_name, len + 1);
345 } else {
346 sprintf(fup->fu_name, "%u", id);
347 }
348 return (fup);
349}
350
351/*
352 * Calculate the grace period and return a printable string for it.
353 */
354char *
355timeprt(seconds)
356 time_t seconds;
357{
358 time_t hours, minutes;
359 static char buf[20];
360 static time_t now;
361
362 if (now == 0)
363 time(&now);
364 if (now > seconds)
365 return ("none");
366 seconds -= now;
367 minutes = (seconds + 30) / 60;
368 hours = (minutes + 30) / 60;
369 if (hours >= 36) {
370 sprintf(buf, "%ddays", (hours + 12) / 24);
371 return (buf);
372 }
373 if (minutes >= 60) {
374 sprintf(buf, "%2d:%d", minutes / 60, minutes % 60);
375 return (buf);
376 }
377 sprintf(buf, "%2d", minutes);
378 return (buf);
379}