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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[] = "@(#)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 | ||
59 | char *qfname = QUOTAFILENAME; | |
60 | char *qfextension[] = INITQFNAMES; | |
61 | ||
62 | struct 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 */ | |
70 | struct fileusage *fuhead[MAXQUOTAS][FUHASH]; | |
71 | struct fileusage *lookup(); | |
72 | struct fileusage *addid(); | |
73 | u_long highid[MAXQUOTAS]; /* highest addid()'ed identifier per type */ | |
74 | ||
75 | int vflag; /* verbose */ | |
76 | int aflag; /* all file systems */ | |
77 | ||
78 | main(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 | ||
157 | usage() | |
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 | ||
165 | repquota(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 | */ | |
246 | oneof(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 | */ | |
261 | hasquota(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 | */ | |
301 | struct fileusage * | |
302 | lookup(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 | */ | |
317 | struct fileusage * | |
318 | addid(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 | */ | |
354 | char * | |
355 | timeprt(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 | } |