Commit | Line | Data |
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2a18434a KM |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
690d3151 | 13 | #ifndef lint |
a66ab591 | 14 | static char sccsid[] = "@(#)quotacheck.c 5.7 (Berkeley) %G%"; |
2a18434a | 15 | #endif not lint |
f7830fd7 KM |
16 | |
17 | /* | |
18 | * Fix up / report on disc quotas & usage | |
19 | */ | |
20 | #include <stdio.h> | |
21 | #include <ctype.h> | |
22 | #include <signal.h> | |
824e2e71 | 23 | #include <errno.h> |
f7830fd7 KM |
24 | #include <sys/param.h> |
25 | #include <sys/inode.h> | |
26 | #include <sys/fs.h> | |
f7830fd7 KM |
27 | #include <sys/quota.h> |
28 | #include <sys/stat.h> | |
8aa23ed4 | 29 | #include <sys/wait.h> |
690d3151 | 30 | #include <fstab.h> |
04fd056a | 31 | #include <pwd.h> |
f7830fd7 | 32 | |
f7830fd7 KM |
33 | union { |
34 | struct fs sblk; | |
690d3151 | 35 | char dummy[MAXBSIZE]; |
f7830fd7 KM |
36 | } un; |
37 | #define sblock un.sblk | |
690d3151 KM |
38 | |
39 | #define ITABSZ 256 | |
f7830fd7 KM |
40 | struct dinode itab[ITABSZ]; |
41 | struct dinode *dp; | |
f7830fd7 | 42 | |
04fd056a | 43 | #define LOGINNAMESIZE 8 |
690d3151 | 44 | struct fileusage { |
04fd056a | 45 | struct fileusage *fu_next; |
690d3151 KM |
46 | struct dqusage fu_usage; |
47 | u_short fu_uid; | |
04fd056a | 48 | char fu_name[LOGINNAMESIZE + 1]; |
690d3151 KM |
49 | }; |
50 | #define FUHASH 997 | |
51 | struct fileusage *fuhead[FUHASH]; | |
52 | struct fileusage *lookup(); | |
53 | struct fileusage *adduid(); | |
54 | int highuid; | |
55 | ||
56 | int fi; | |
57 | ino_t ino; | |
58 | long done; | |
f7830fd7 KM |
59 | struct passwd *getpwent(); |
60 | struct dinode *ginode(); | |
690d3151 KM |
61 | char *malloc(), *makerawname(); |
62 | ||
63 | int vflag; /* verbose */ | |
64 | int aflag; /* all file systems */ | |
8aa23ed4 | 65 | int pflag; /* fsck like parallel check */ |
690d3151 KM |
66 | |
67 | char *qfname = "quotas"; | |
68 | char quotafile[MAXPATHLEN + 1]; | |
04fd056a | 69 | struct dqblk zerodqbuf; |
8aa23ed4 | 70 | struct fileusage zerofileusage; |
a66ab591 | 71 | long dev_bsize = 1; |
f7830fd7 KM |
72 | |
73 | main(argc, argv) | |
690d3151 | 74 | int argc; |
f7830fd7 KM |
75 | char **argv; |
76 | { | |
690d3151 | 77 | register struct fstab *fs; |
04fd056a KM |
78 | register struct fileusage *fup; |
79 | register struct passwd *pw; | |
690d3151 KM |
80 | int i, errs = 0; |
81 | ||
82 | again: | |
83 | argc--, argv++; | |
84 | if (argc > 0 && strcmp(*argv, "-v") == 0) { | |
85 | vflag++; | |
86 | goto again; | |
f7830fd7 | 87 | } |
690d3151 KM |
88 | if (argc > 0 && strcmp(*argv, "-a") == 0) { |
89 | aflag++; | |
90 | goto again; | |
91 | } | |
8aa23ed4 S |
92 | if (argc > 0 && strcmp(*argv, "-p") == 0) { |
93 | pflag++; | |
94 | goto again; | |
95 | } | |
690d3151 KM |
96 | if (argc <= 0 && !aflag) { |
97 | fprintf(stderr, "Usage:\n\t%s\n\t%s\n", | |
8aa23ed4 S |
98 | "quotacheck [-v] [-p] -a", |
99 | "quotacheck [-v] [-p] filesys ..."); | |
f7830fd7 KM |
100 | exit(1); |
101 | } | |
37906c43 S |
102 | |
103 | setpwent(); | |
104 | while ((pw = getpwent()) != 0) { | |
105 | fup = lookup(pw->pw_uid); | |
8aa23ed4 | 106 | if (fup == 0) { |
37906c43 | 107 | fup = adduid(pw->pw_uid); |
8aa23ed4 S |
108 | strncpy(fup->fu_name, pw->pw_name, |
109 | sizeof(fup->fu_name)); | |
110 | } | |
04fd056a | 111 | } |
37906c43 S |
112 | endpwent(); |
113 | ||
8aa23ed4 S |
114 | if (pflag) |
115 | errs = preen(argc, argv); | |
116 | else { | |
117 | if (setfsent() == 0) { | |
118 | fprintf(stderr, "Can't open "); | |
119 | perror(FSTAB); | |
120 | exit(8); | |
121 | } | |
122 | while ((fs = getfsent()) != NULL) { | |
123 | if (aflag && | |
124 | (fs->fs_type == 0 || | |
125 | strcmp(fs->fs_type, FSTAB_RQ) != 0)) | |
126 | continue; | |
127 | if (!aflag && | |
128 | !(oneof(fs->fs_file, argv, argc) || | |
129 | oneof(fs->fs_spec, argv, argc))) | |
130 | continue; | |
131 | (void) sprintf(quotafile, "%s/%s", fs->fs_file, qfname); | |
132 | errs += chkquota(fs->fs_spec, fs->fs_file, quotafile); | |
133 | } | |
134 | endfsent(); | |
f7830fd7 | 135 | } |
8aa23ed4 | 136 | |
690d3151 KM |
137 | for (i = 0; i < argc; i++) |
138 | if ((done & (1 << i)) == 0) | |
7077509b S |
139 | fprintf(stderr, "%s not found in %s\n", |
140 | argv[i], FSTAB); | |
690d3151 KM |
141 | exit(errs); |
142 | } | |
f7830fd7 | 143 | |
8aa23ed4 S |
144 | preen(argc, argv) |
145 | int argc; | |
146 | char **argv; | |
147 | { | |
148 | register struct fstab *fs; | |
149 | register int passno, anygtr; | |
150 | register int errs; | |
151 | union wait status; | |
152 | ||
153 | passno = 1; | |
154 | errs = 0; | |
155 | do { | |
156 | anygtr = 0; | |
157 | ||
158 | if (setfsent() == 0) { | |
159 | fprintf(stderr, "Can't open "); | |
160 | perror(FSTAB); | |
161 | exit(8); | |
162 | } | |
163 | ||
164 | while ((fs = getfsent()) != NULL) { | |
165 | if (fs->fs_passno > passno) | |
166 | anygtr = 1; | |
167 | ||
168 | if (aflag && | |
169 | (fs->fs_type == 0 || | |
170 | strcmp(fs->fs_type, FSTAB_RQ) != 0)) | |
171 | continue; | |
172 | ||
173 | if (!aflag && | |
174 | !(oneof(fs->fs_file, argv, argc) || | |
175 | oneof(fs->fs_spec, argv, argc))) | |
176 | continue; | |
177 | ||
178 | if (fs->fs_passno != passno) | |
179 | continue; | |
180 | ||
181 | switch (fork()) { | |
182 | case -1: | |
183 | perror("fork"); | |
184 | exit(8); | |
185 | break; | |
186 | ||
187 | case 0: | |
188 | sprintf(quotafile, "%s/%s", | |
189 | fs->fs_file, qfname); | |
190 | exit(chkquota(fs->fs_spec, | |
191 | fs->fs_file, quotafile)); | |
192 | } | |
193 | } | |
194 | ||
195 | while (wait(&status) != -1) | |
196 | errs += status.w_retcode; | |
197 | ||
198 | passno++; | |
199 | } while (anygtr); | |
200 | ||
201 | return (errs); | |
202 | } | |
203 | ||
37906c43 | 204 | chkquota(fsdev, fsfile, qffile) |
690d3151 | 205 | char *fsdev; |
37906c43 | 206 | char *fsfile; |
690d3151 KM |
207 | char *qffile; |
208 | { | |
209 | register struct fileusage *fup; | |
210 | dev_t quotadev; | |
9cdc0128 | 211 | register FILE *qfi, *qfo; |
690d3151 | 212 | u_short uid; |
9cdc0128 | 213 | int cg, i, fdo; |
690d3151 KM |
214 | char *rawdisk; |
215 | struct stat statb; | |
216 | struct dqblk dqbuf; | |
824e2e71 KM |
217 | static int warned = 0; |
218 | extern int errno; | |
f7830fd7 | 219 | |
690d3151 KM |
220 | rawdisk = makerawname(fsdev); |
221 | if (vflag) | |
8aa23ed4 | 222 | fprintf(stdout, "*** Checking quotas for %s (%s)\n", rawdisk, fsfile); |
690d3151 KM |
223 | fi = open(rawdisk, 0); |
224 | if (fi < 0) { | |
225 | perror(rawdisk); | |
226 | return (1); | |
f7830fd7 | 227 | } |
9cdc0128 S |
228 | qfi = fopen(qffile, "r"); |
229 | if (qfi == NULL) { | |
690d3151 | 230 | perror(qffile); |
37906c43 | 231 | close(fi); |
690d3151 | 232 | return (1); |
f7830fd7 | 233 | } |
9cdc0128 | 234 | if (fstat(fileno(qfi), &statb) < 0) { |
690d3151 | 235 | perror(qffile); |
9cdc0128 | 236 | fclose(qfi); |
37906c43 | 237 | close(fi); |
690d3151 KM |
238 | return (1); |
239 | } | |
240 | quotadev = statb.st_dev; | |
241 | if (stat(fsdev, &statb) < 0) { | |
242 | perror(fsdev); | |
9cdc0128 | 243 | fclose(qfi); |
37906c43 | 244 | close(fi); |
690d3151 KM |
245 | return (1); |
246 | } | |
247 | if (quotadev != statb.st_rdev) { | |
248 | fprintf(stderr, "%s dev (0x%x) mismatch %s dev (0x%x)\n", | |
249 | qffile, quotadev, fsdev, statb.st_rdev); | |
9cdc0128 S |
250 | fclose(qfi); |
251 | close(fi); | |
252 | return (1); | |
253 | } | |
254 | /* | |
255 | * Must do fdopen(open(qffile, 1), "w") instead of fopen(qffile, "w") | |
256 | * because fopen(qffile, "w") would truncate the quota file. | |
257 | */ | |
258 | fdo = open(qffile, 1); | |
259 | if (fdo < 0 || (qfo = fdopen(fdo, "w")) == NULL) { | |
260 | perror(qffile); | |
261 | if (fdo >= 0) | |
262 | close(fdo); | |
263 | fclose(qfi); | |
37906c43 | 264 | close(fi); |
690d3151 KM |
265 | return (1); |
266 | } | |
8aa23ed4 | 267 | if (quota(Q_SYNC, 0, quotadev, (caddr_t)0) < 0 && |
824e2e71 KM |
268 | errno == EINVAL && !warned && vflag) { |
269 | warned++; | |
270 | fprintf(stdout, | |
271 | "*** Warning: Quotas are not compiled into this kernel\n"); | |
272 | } | |
f7830fd7 | 273 | sync(); |
a66ab591 KM |
274 | bread(SBOFF, (char *)&sblock, SBSIZE); |
275 | dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1); | |
f7830fd7 KM |
276 | ino = 0; |
277 | for (cg = 0; cg < sblock.fs_ncg; cg++) { | |
f7830fd7 KM |
278 | dp = NULL; |
279 | for (i = 0; i < sblock.fs_ipg; i++) | |
280 | acct(ginode()); | |
281 | } | |
690d3151 | 282 | for (uid = 0; uid <= highuid; uid++) { |
9cdc0128 | 283 | i = fread(&dqbuf, sizeof(struct dqblk), 1, qfi); |
690d3151 | 284 | if (i == 0) |
04fd056a | 285 | dqbuf = zerodqbuf; |
c2a9ff1c | 286 | fup = lookup(uid); |
8aa23ed4 S |
287 | if (fup == 0) |
288 | fup = &zerofileusage; | |
690d3151 | 289 | if (dqbuf.dqb_curinodes == fup->fu_usage.du_curinodes && |
04fd056a KM |
290 | dqbuf.dqb_curblocks == fup->fu_usage.du_curblocks) { |
291 | fup->fu_usage.du_curinodes = 0; | |
292 | fup->fu_usage.du_curblocks = 0; | |
9cdc0128 | 293 | fseek(qfo, (long)sizeof(struct dqblk), 1); |
690d3151 | 294 | continue; |
04fd056a | 295 | } |
690d3151 | 296 | if (vflag) { |
8aa23ed4 S |
297 | if (pflag) |
298 | printf("%s: ", rawdisk); | |
04fd056a | 299 | if (fup->fu_name[0] != '\0') |
8aa23ed4 | 300 | printf("%-8s fixed:", fup->fu_name); |
04fd056a | 301 | else |
8aa23ed4 S |
302 | printf("#%-7d fixed:", uid); |
303 | if (dqbuf.dqb_curinodes != fup->fu_usage.du_curinodes) | |
9cdc0128 | 304 | fprintf(stdout, "\tinodes %d -> %d", |
8aa23ed4 S |
305 | dqbuf.dqb_curinodes, fup->fu_usage.du_curinodes); |
306 | if (dqbuf.dqb_curblocks != fup->fu_usage.du_curblocks) | |
9cdc0128 | 307 | fprintf(stdout, "\tblocks %d -> %d", |
8aa23ed4 S |
308 | dqbuf.dqb_curblocks, fup->fu_usage.du_curblocks); |
309 | fprintf(stdout, "\n"); | |
f7830fd7 | 310 | } |
690d3151 KM |
311 | dqbuf.dqb_curinodes = fup->fu_usage.du_curinodes; |
312 | dqbuf.dqb_curblocks = fup->fu_usage.du_curblocks; | |
9cdc0128 | 313 | fwrite(&dqbuf, sizeof(struct dqblk), 1, qfo); |
690d3151 | 314 | quota(Q_SETDUSE, uid, quotadev, &fup->fu_usage); |
6053d885 KM |
315 | fup->fu_usage.du_curinodes = 0; |
316 | fup->fu_usage.du_curblocks = 0; | |
f7830fd7 | 317 | } |
9cdc0128 S |
318 | fflush(qfo); |
319 | ftruncate(fileno(qfo), (off_t)((highuid + 1) * sizeof(struct dqblk))); | |
320 | fclose(qfi); | |
321 | fclose(qfo); | |
37906c43 | 322 | close(fi); |
690d3151 | 323 | return (0); |
f7830fd7 KM |
324 | } |
325 | ||
326 | acct(ip) | |
327 | register struct dinode *ip; | |
328 | { | |
690d3151 | 329 | register struct fileusage *fup; |
f7830fd7 KM |
330 | |
331 | if (ip == NULL) | |
332 | return; | |
333 | if (ip->di_mode == 0) | |
f7830fd7 | 334 | return; |
8aa23ed4 | 335 | fup = adduid(ip->di_uid); |
690d3151 | 336 | fup->fu_usage.du_curinodes++; |
f7830fd7 | 337 | if ((ip->di_mode & IFMT) == IFCHR || (ip->di_mode & IFMT) == IFBLK) |
f7830fd7 | 338 | return; |
690d3151 | 339 | fup->fu_usage.du_curblocks += ip->di_blocks; |
f7830fd7 KM |
340 | } |
341 | ||
690d3151 KM |
342 | oneof(target, list, n) |
343 | char *target, *list[]; | |
344 | register int n; | |
f7830fd7 | 345 | { |
690d3151 | 346 | register int i; |
f7830fd7 | 347 | |
690d3151 KM |
348 | for (i = 0; i < n; i++) |
349 | if (strcmp(target, list[i]) == 0) { | |
350 | done |= 1 << i; | |
351 | return (1); | |
352 | } | |
353 | return (0); | |
f7830fd7 KM |
354 | } |
355 | ||
356 | struct dinode * | |
357 | ginode() | |
358 | { | |
359 | register unsigned long iblk; | |
360 | ||
361 | if (dp == NULL || ++dp >= &itab[ITABSZ]) { | |
362 | iblk = itod(&sblock, ino); | |
f7830fd7 KM |
363 | bread(fsbtodb(&sblock, iblk), (char *)itab, sizeof itab); |
364 | dp = &itab[ino % INOPB(&sblock)]; | |
f7830fd7 | 365 | } |
f7830fd7 KM |
366 | if (ino++ < ROOTINO) |
367 | return(NULL); | |
368 | return(dp); | |
369 | } | |
370 | ||
371 | bread(bno, buf, cnt) | |
372 | long unsigned bno; | |
373 | char *buf; | |
374 | { | |
9cdc0128 | 375 | |
a66ab591 | 376 | if (lseek(fi, bno * dev_bsize, 0) < 0) { |
9cdc0128 S |
377 | perror("lseek"); |
378 | exit(1); | |
379 | } | |
f7830fd7 | 380 | |
f7830fd7 | 381 | if (read(fi, buf, cnt) != cnt) { |
8aa23ed4 | 382 | perror("read"); |
f7830fd7 KM |
383 | exit(1); |
384 | } | |
385 | } | |
386 | ||
690d3151 KM |
387 | struct fileusage * |
388 | lookup(uid) | |
389 | u_short uid; | |
f7830fd7 | 390 | { |
690d3151 | 391 | register struct fileusage *fup; |
f7830fd7 | 392 | |
690d3151 KM |
393 | for (fup = fuhead[uid % FUHASH]; fup != 0; fup = fup->fu_next) |
394 | if (fup->fu_uid == uid) | |
395 | return (fup); | |
396 | return ((struct fileusage *)0); | |
f7830fd7 KM |
397 | } |
398 | ||
690d3151 KM |
399 | struct fileusage * |
400 | adduid(uid) | |
401 | u_short uid; | |
f7830fd7 | 402 | { |
690d3151 | 403 | struct fileusage *fup, **fhp; |
37906c43 | 404 | extern char *calloc(); |
690d3151 KM |
405 | |
406 | fup = lookup(uid); | |
407 | if (fup != 0) | |
408 | return (fup); | |
409 | fup = (struct fileusage *)calloc(1, sizeof(struct fileusage)); | |
410 | if (fup == 0) { | |
411 | fprintf(stderr, "out of memory for fileusage structures\n"); | |
412 | exit(1); | |
413 | } | |
414 | fhp = &fuhead[uid % FUHASH]; | |
415 | fup->fu_next = *fhp; | |
416 | *fhp = fup; | |
417 | fup->fu_uid = uid; | |
418 | if (uid > highuid) | |
419 | highuid = uid; | |
420 | return (fup); | |
f7830fd7 KM |
421 | } |
422 | ||
423 | char * | |
690d3151 KM |
424 | makerawname(name) |
425 | char *name; | |
f7830fd7 | 426 | { |
690d3151 KM |
427 | register char *cp; |
428 | char tmp, ch, *rindex(); | |
429 | static char rawname[MAXPATHLEN]; | |
430 | ||
431 | strcpy(rawname, name); | |
37906c43 | 432 | cp = rindex(rawname, '/'); |
7077509b | 433 | if (cp == NULL) |
690d3151 | 434 | return (name); |
37906c43 S |
435 | else |
436 | cp++; | |
690d3151 KM |
437 | for (ch = 'r'; *cp != '\0'; ) { |
438 | tmp = *cp; | |
439 | *cp++ = ch; | |
440 | ch = tmp; | |
441 | } | |
442 | *cp++ = ch; | |
443 | *cp = '\0'; | |
444 | return (rawname); | |
f7830fd7 | 445 | } |