usr.bin/quota/quota.c

   1 /*
   2  * Copyright (c) 1980, 1990, 1993
   3  *      The Regents of the University of California.  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 static const char copyright[] =
  39 "@(#) Copyright (c) 1980, 1990, 1993\n\
  40         The Regents of the University of California.  All rights reserved.\n";
  41 #endif
  42
  43 #ifndef lint
  44 static const char sccsid[] = "from: @(#)quota.c 8.1 (Berkeley) 6/6/93";
  45 #endif /* not lint */
  46
  47 /*
  48  * Disk quota reporting program.
  49  */
  50 #include <sys/cdefs.h>
  51 __FBSDID("$FreeBSD$");
  52
  53 #include <sys/param.h>
  54 #include <sys/types.h>
  55 #include <sys/file.h>
  56 #include <sys/stat.h>
  57 #include <sys/mount.h>
  58 #include <sys/socket.h>
  59
  60 #include <rpc/rpc.h>
  61 #include <rpc/pmap_prot.h>
  62 #include <rpcsvc/rquota.h>
  63
  64 #include <ufs/ufs/quota.h>
  65
  66 #include <ctype.h>
  67 #include <err.h>
  68 #include <fstab.h>
  69 #include <grp.h>
  70 #include <libutil.h>
  71 #include <netdb.h>
  72 #include <pwd.h>
  73 #include <stdio.h>
  74 #include <stdint.h>
  75 #include <stdlib.h>
  76 #include <string.h>
  77 #include <time.h>
  78 #include <unistd.h>
  79
  80 const char *qfname = QUOTAFILENAME;
  81 const char *qfextension[] = INITQFNAMES;
  82
  83 struct quotause {
  84         struct  quotause *next;
  85         long    flags;
  86         struct  dqblk dqblk;
  87         char    fsname[MAXPATHLEN + 1];
  88 };
  89
  90 static char *timeprt(time_t seconds);
  91 static struct quotause *getprivs(long id, int quotatype);
  92 static void usage(void);
  93 static int showuid(u_long uid);
  94 static int showgid(u_long gid);
  95 static int showusrname(char *name);
  96 static int showgrpname(char *name);
  97 static int showquotas(int type, u_long id, const char *name);
  98 static void showrawquotas(int type, u_long id, struct quotause *qup);
  99 static void heading(int type, u_long id, const char *name, const char *tag);
 100 static int ufshasquota(struct fstab *fs, int type, char **qfnamep);
 101 static int getufsquota(struct fstab *fs, struct quotause *qup, long id,
 102         int quotatype);
 103 static int getnfsquota(struct statfs *fst, struct quotause *qup, long id,
 104         int quotatype);
 105 static int callaurpc(char *host, int prognum, int versnum, int procnum,
 106         xdrproc_t inproc, char *in, xdrproc_t outproc, char *out);
 107 static int alldigits(char *s);
 108
 109 int     hflag;
 110 int     lflag;
 111 int     rflag;
 112 int     qflag;
 113 int     vflag;
 114 char    *filename = NULL;
 115
 116 int
 117 main(int argc, char *argv[])
 118 {
 119         int ngroups;
 120         long ngroups_max;
 121         gid_t mygid, *gidset;
 122         int i, ch, gflag = 0, uflag = 0, errflag = 0;
 123
 124         while ((ch = getopt(argc, argv, "f:ghlrquv")) != -1) {
 125                 switch(ch) {
 126                 case 'f':
 127                         filename = optarg;
 128                         break;
 129                 case 'g':
 130                         gflag++;
 131                         break;
 132                 case 'h':
 133                         hflag++;
 134                         break;
 135                 case 'l':
 136                         lflag++;
 137                         break;
 138                 case 'q':
 139                         qflag++;
 140                         break;
 141                 case 'r':
 142                         rflag++;
 143                         break;
 144                 case 'u':
 145                         uflag++;
 146                         break;
 147                 case 'v':
 148                         vflag++;
 149                         break;
 150                 default:
 151                         usage();
 152                 }
 153         }
 154         argc -= optind;
 155         argv += optind;
 156         if (!uflag && !gflag)
 157                 uflag++;
 158         if (argc == 0) {
 159                 if (uflag)
 160                         errflag += showuid(getuid());
 161                 if (gflag) {
 162                         mygid = getgid();
 163                         ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
 164                         if ((gidset = malloc(sizeof(gid_t) * ngroups_max))
 165                             == NULL)
 166                                 err(1, "malloc");
 167                         ngroups = getgroups(ngroups_max, gidset);
 168                         if (ngroups < 0)
 169                                 err(1, "getgroups");
 170                         errflag += showgid(mygid);
 171                         for (i = 0; i < ngroups; i++)
 172                                 if (gidset[i] != mygid)
 173                                         errflag += showgid(gidset[i]);
 174                         free(gidset);
 175                 }
 176                 return(errflag);
 177         }
 178         if (uflag && gflag)
 179                 usage();
 180         if (uflag) {
 181                 for (; argc > 0; argc--, argv++) {
 182                         if (alldigits(*argv))
 183                                 errflag += showuid(atoi(*argv));
 184                         else
 185                                 errflag += showusrname(*argv);
 186                 }
 187                 return(errflag);
 188         }
 189         if (gflag) {
 190                 for (; argc > 0; argc--, argv++) {
 191                         if (alldigits(*argv))
 192                                 errflag += showgid(atoi(*argv));
 193                         else
 194                                 errflag += showgrpname(*argv);
 195                 }
 196         }
 197         return(errflag);
 198 }
 199
 200 static void
 201 usage(void)
 202 {
 203
 204         fprintf(stderr, "%s\n%s\n%s\n",
 205             "usage: quota [-ghlu] [-f path] [-v | -q | -r]",
 206             "       quota [-hlu] [-f path] [-v | -q | -r] user ...",
 207             "       quota -g [-hl] [-f path] [-v | -q | -r] group ...");
 208         exit(1);
 209 }
 210
 211 /*
 212  * Print out quotas for a specified user identifier.
 213  */
 214 static int
 215 showuid(u_long uid)
 216 {
 217         struct passwd *pwd = getpwuid(uid);
 218         const char *name;
 219
 220         if (pwd == NULL)
 221                 name = "(no account)";
 222         else
 223                 name = pwd->pw_name;
 224         return(showquotas(USRQUOTA, uid, name));
 225 }
 226
 227 /*
 228  * Print out quotas for a specifed user name.
 229  */
 230 static int
 231 showusrname(char *name)
 232 {
 233         struct passwd *pwd = getpwnam(name);
 234
 235         if (pwd == NULL) {
 236                 warnx("%s: unknown user", name);
 237                 return(1);
 238         }
 239         return(showquotas(USRQUOTA, pwd->pw_uid, name));
 240 }
 241
 242 /*
 243  * Print out quotas for a specified group identifier.
 244  */
 245 static int
 246 showgid(u_long gid)
 247 {
 248         struct group *grp = getgrgid(gid);
 249         const char *name;
 250
 251         if (grp == NULL)
 252                 name = "(no entry)";
 253         else
 254                 name = grp->gr_name;
 255         return(showquotas(GRPQUOTA, gid, name));
 256 }
 257
 258 /*
 259  * Print out quotas for a specifed group name.
 260  */
 261 static int
 262 showgrpname(char *name)
 263 {
 264         struct group *grp = getgrnam(name);
 265
 266         if (grp == NULL) {
 267                 warnx("%s: unknown group", name);
 268                 return(1);
 269         }
 270         return(showquotas(GRPQUOTA, grp->gr_gid, name));
 271 }
 272
 273 static void
 274 prthumanval(int len, int64_t bytes)
 275 {
 276         char buf[len + 1];
 277
 278         humanize_number(buf, sizeof(buf), bytes, "", HN_AUTOSCALE,
 279             HN_B | HN_NOSPACE | HN_DECIMAL);
 280
 281         (void)printf(" %*s", len, buf);
 282 }
 283
 284 static int
 285 showquotas(int type, u_long id, const char *name)
 286 {
 287         struct quotause *qup;
 288         struct quotause *quplist;
 289         const char *msgi, *msgb;
 290         const char *nam;
 291         char *bgrace = NULL, *igrace = NULL;
 292         int lines = 0, overquota = 0;
 293         static time_t now;
 294
 295         if (now == 0)
 296                 time(&now);
 297         quplist = getprivs(id, type);
 298         for (qup = quplist; qup; qup = qup->next) {
 299                 msgi = (char *)0;
 300                 if (qup->dqblk.dqb_ihardlimit &&
 301                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit) {
 302                         overquota++;
 303                         msgi = "File limit reached on";
 304                 }
 305                 else if (qup->dqblk.dqb_isoftlimit &&
 306                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
 307                         overquota++;
 308                         if (qup->dqblk.dqb_itime > now)
 309                                 msgi = "In file grace period on";
 310                         else
 311                                 msgi = "Over file quota on";
 312                 }
 313                 msgb = (char *)0;
 314                 if (qup->dqblk.dqb_bhardlimit &&
 315                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit) {
 316                         overquota++;
 317                         msgb = "Block limit reached on";
 318                 }
 319                 else if (qup->dqblk.dqb_bsoftlimit &&
 320                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
 321                         overquota++;
 322                         if (qup->dqblk.dqb_btime > now)
 323                                 msgb = "In block grace period on";
 324                         else
 325                                 msgb = "Over block quota on";
 326                 }
 327                 if (rflag) {
 328                         showrawquotas(type, id, qup);
 329                         continue;
 330                 }
 331                 if (!vflag &&
 332                     qup->dqblk.dqb_isoftlimit == 0 &&
 333                     qup->dqblk.dqb_ihardlimit == 0 &&
 334                     qup->dqblk.dqb_bsoftlimit == 0 &&
 335                     qup->dqblk.dqb_bhardlimit == 0)
 336                         continue;
 337                 if (qflag) {
 338                         if ((msgi != (char *)0 || msgb != (char *)0) &&
 339                             lines++ == 0)
 340                                 heading(type, id, name, "");
 341                         if (msgi != (char *)0)
 342                                 printf("\t%s %s\n", msgi, qup->fsname);
 343                         if (msgb != (char *)0)
 344                                 printf("\t%s %s\n", msgb, qup->fsname);
 345                         continue;
 346                 }
 347                 if (vflag ||
 348                     qup->dqblk.dqb_curblocks ||
 349                     qup->dqblk.dqb_curinodes) {
 350                         if (lines++ == 0)
 351                                 heading(type, id, name, "");
 352                         nam = qup->fsname;
 353                         if (strlen(qup->fsname) > 15) {
 354                                 printf("%s\n", qup->fsname);
 355                                 nam = "";
 356                         }
 357                         printf("%15s", nam);
 358                         if (hflag) {
 359                                 printf("   ");
 360                                 prthumanval(4, dbtob(qup->dqblk.dqb_curblocks));
 361                                 printf("%c  ", (msgb == (char *)0) ? ' ' : '*');
 362                                 prthumanval(4, dbtob(qup->dqblk.dqb_bsoftlimit));
 363                                 printf("   ");
 364                                 prthumanval(4, dbtob(qup->dqblk.dqb_bhardlimit));
 365                         } else {
 366                                 printf(" %7ju%c %6ju %7ju",
 367                                     (uintmax_t)(dbtob(qup->dqblk.dqb_curblocks)
 368                                         / 1024),
 369                                     (msgb == NULL) ? ' ' : '*',
 370                                     (uintmax_t)(dbtob(qup->dqblk.dqb_bsoftlimit)
 371                                         / 1024),
 372                                     (uintmax_t)(dbtob(qup->dqblk.dqb_bhardlimit)
 373                                         / 1024));
 374                         }
 375                         if (msgb != NULL)
 376                                 bgrace = timeprt(qup->dqblk.dqb_btime);
 377                         if (msgi != NULL)
 378                                 igrace = timeprt(qup->dqblk.dqb_itime);
 379                         printf(" %7s %7ju%c %6ju %7ju %7s\n",
 380                             (msgb == NULL) ? "" : bgrace,
 381                             (uintmax_t)qup->dqblk.dqb_curinodes,
 382                             (msgi == NULL) ? ' ' : '*',
 383                             (uintmax_t)qup->dqblk.dqb_isoftlimit,
 384                             (uintmax_t)qup->dqblk.dqb_ihardlimit,
 385                             (msgi == NULL) ? "" : igrace
 386                         );
 387                         if (msgb != NULL)
 388                                 free(bgrace);
 389                         if (msgi != NULL)
 390                                 free(igrace);
 391                         continue;
 392                 }
 393         }
 394         if (!qflag && !rflag && lines == 0)
 395                 heading(type, id, name, "none");
 396         return(overquota);
 397 }
 398
 399 static void
 400 showrawquotas(int type, u_long id, struct quotause *qup)
 401 {
 402         time_t tt;
 403         printf("Raw %s quota information for id %lu on %s\n",
 404             type == USRQUOTA ? "user" : "group", id, qup->fsname);
 405         printf("block hard limit:     %ju\n", (uintmax_t)qup->dqblk.dqb_bhardlimit);
 406         printf("block soft limit:     %ju\n", (uintmax_t)qup->dqblk.dqb_bsoftlimit);
 407         printf("current block count:  %ju\n", (uintmax_t)qup->dqblk.dqb_curblocks);
 408         printf("i-node hard limit:    %ju\n", (uintmax_t)qup->dqblk.dqb_ihardlimit);
 409         printf("i-node soft limit:    %ju\n", (uintmax_t)qup->dqblk.dqb_isoftlimit);
 410         printf("current i-node count: %ju\n", (uintmax_t)qup->dqblk.dqb_curinodes);
 411         printf("block grace time:     %jd", (intmax_t)qup->dqblk.dqb_btime);
 412         if (qup->dqblk.dqb_btime != 0) {
 413                 tt = qup->dqblk.dqb_btime;
 414                 printf(" %s", ctime(&tt));
 415         } else
 416                 printf("\n");
 417         printf("i-node grace time:    %jd", (intmax_t)qup->dqblk.dqb_itime);
 418         if (qup->dqblk.dqb_itime != 0) {
 419                 tt = qup->dqblk.dqb_itime;
 420                 printf(" %s", ctime(&tt));
 421         } else
 422                 printf("\n");
 423 }
 424
 425
 426 static void
 427 heading(int type, u_long id, const char *name, const char *tag)
 428 {
 429
 430         printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
 431             name, *qfextension[type], id, tag);
 432         if (!qflag && tag[0] == '\0') {
 433                 printf("%15s %7s  %6s %7s %7s %7s  %6s %7s %7s\n"
 434                         , "Filesystem"
 435                         , "usage"
 436                         , "quota"
 437                         , "limit"
 438                         , "grace"
 439                         , "files"
 440                         , "quota"
 441                         , "limit"
 442                         , "grace"
 443                 );
 444         }
 445 }
 446
 447 /*
 448  * Calculate the grace period and return a printable string for it.
 449  */
 450 static char *
 451 timeprt(time_t seconds)
 452 {
 453         time_t hours, minutes;
 454         char    *buf;
 455         static time_t now;
 456
 457         if (now == 0)
 458                 time(&now);
 459         if (now > seconds) {
 460                 return strdup("none");
 461         }
 462         seconds -= now;
 463         minutes = (seconds + 30) / 60;
 464         hours = (minutes + 30) / 60;
 465         if (hours >= 36) {
 466                 if (asprintf(&buf, "%lddays", ((long)hours + 12) / 24) < 0)
 467                         errx(1, "asprintf failed in timeprt(1)");
 468                 return (buf);
 469         }
 470         if (minutes >= 60) {
 471                 if (asprintf(&buf, "%2ld:%ld", (long)minutes / 60,
 472                     (long)minutes % 60) < 0)
 473                         errx(1, "asprintf failed in timeprt(2)");
 474                 return (buf);
 475         }
 476         if (asprintf(&buf, "%2ld", (long)minutes) < 0)
 477                 errx(1, "asprintf failed in timeprt(3)");
 478         return (buf);
 479 }
 480
 481 /*
 482  * Collect the requested quota information.
 483  */
 484 static struct quotause *
 485 getprivs(long id, int quotatype)
 486 {
 487         struct quotause *qup, *quptail = NULL;
 488         struct fstab *fs;
 489         struct quotause *quphead;
 490         struct statfs *fst;
 491         int nfst, i;
 492         struct statfs sfb;
 493
 494         qup = quphead = (struct quotause *)0;
 495
 496         if (filename != NULL && statfs(filename, &sfb) != 0)
 497                 err(1, "cannot statfs %s", filename);
 498         nfst = getmntinfo(&fst, MNT_NOWAIT);
 499         if (nfst == 0)
 500                 errx(2, "no filesystems mounted!");
 501         setfsent();
 502         for (i=0; i<nfst; i++) {
 503                 if (qup == NULL) {
 504                         if ((qup = (struct quotause *)malloc(sizeof *qup))
 505                             == NULL)
 506                                 errx(2, "out of memory");
 507                 }
 508                 /*
 509                  * See if the user requested a specific file system
 510                  * or specified a file inside a mounted file system.
 511                  */
 512                 if (filename != NULL &&
 513                     strcmp(sfb.f_mntonname, fst[i].f_mntonname) != 0)
 514                         continue;
 515                 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
 516                         if (lflag)
 517                                 continue;
 518                         if (getnfsquota(&fst[i], qup, id, quotatype) == 0)
 519                                 continue;
 520                 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
 521                         /*
 522                          * XXX
 523                          * UFS filesystems must be in /etc/fstab, and must
 524                          * indicate that they have quotas on (?!) This is quite
 525                          * unlike SunOS where quotas can be enabled/disabled
 526                          * on a filesystem independent of /etc/fstab, and it
 527                          * will still print quotas for them.
 528                          */
 529                         if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
 530                                 continue;
 531                         if (getufsquota(fs, qup, id, quotatype) == 0)
 532                                 continue;
 533                 } else
 534                         continue;
 535                 strcpy(qup->fsname, fst[i].f_mntonname);
 536                 if (quphead == NULL)
 537                         quphead = qup;
 538                 else
 539                         quptail->next = qup;
 540                 quptail = qup;
 541                 quptail->next = 0;
 542                 qup = NULL;
 543         }
 544         if (qup)
 545                 free(qup);
 546         endfsent();
 547         return (quphead);
 548 }
 549
 550 /*
 551  * Check to see if a particular quota is to be enabled.
 552  */
 553 static int
 554 ufshasquota(struct fstab *fs, int type, char **qfnamep)
 555 {
 556         char *opt;
 557         char *cp;
 558         struct statfs sfb;
 559         static char initname, usrname[100], grpname[100];
 560         static char buf[BUFSIZ];
 561
 562         if (!initname) {
 563                 (void)snprintf(usrname, sizeof(usrname), "%s%s",
 564                     qfextension[USRQUOTA], qfname);
 565                 (void)snprintf(grpname, sizeof(grpname), "%s%s",
 566                     qfextension[GRPQUOTA], qfname);
 567                 initname = 1;
 568         }
 569         strcpy(buf, fs->fs_mntops);
 570         for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
 571                 if ((cp = index(opt, '=')))
 572                         *cp++ = '\0';
 573                 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
 574                         break;
 575                 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
 576                         break;
 577         }
 578         if (!opt)
 579                 return (0);
 580         if (cp)
 581                 *qfnamep = cp;
 582         else {
 583                 (void)snprintf(buf, sizeof(buf), "%s/%s.%s", fs->fs_file,
 584                     qfname, qfextension[type]);
 585                 *qfnamep = buf;
 586         }
 587         if (statfs(fs->fs_file, &sfb) != 0) {
 588                 warn("cannot statfs mount point %s", fs->fs_file);
 589                 return (0);
 590         }
 591         if (strcmp(fs->fs_file, sfb.f_mntonname)) {
 592                 warnx("%s not mounted for %s quotas", fs->fs_file,
 593                     type == USRQUOTA ? "user" : "group");
 594                 return (0);
 595         }
 596         return (1);
 597 }
 598
 599 static int
 600 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
 601 {
 602         char *qfpathname;
 603         int fd, qcmd;
 604
 605         qcmd = QCMD(Q_GETQUOTA, quotatype);
 606         if (!ufshasquota(fs, quotatype, &qfpathname))
 607                 return (0);
 608
 609         if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
 610                 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
 611                         warn("%s", qfpathname);
 612                         return (0);
 613                 }
 614                 (void) lseek(fd, (off_t)(id * sizeof(struct dqblk)), L_SET);
 615                 switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
 616                 case 0:                         /* EOF */
 617                         /*
 618                          * Convert implicit 0 quota (EOF)
 619                          * into an explicit one (zero'ed dqblk)
 620                          */
 621                         bzero((caddr_t)&qup->dqblk, sizeof(struct dqblk));
 622                         break;
 623                 case sizeof(struct dqblk):      /* OK */
 624                         break;
 625                 default:                /* ERROR */
 626                         warn("read error: %s", qfpathname);
 627                         close(fd);
 628                         return (0);
 629                 }
 630                 close(fd);
 631         }
 632         return (1);
 633 }
 634
 635 static int
 636 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
 637 {
 638         struct getquota_args gq_args;
 639         struct getquota_rslt gq_rslt;
 640         struct dqblk *dqp = &qup->dqblk;
 641         struct timeval tv;
 642         char *cp;
 643
 644         if (fst->f_flags & MNT_LOCAL)
 645                 return (0);
 646
 647         /*
 648          * rpc.rquotad does not support group quotas
 649          */
 650         if (quotatype != USRQUOTA)
 651                 return (0);
 652
 653         /*
 654          * must be some form of "hostname:/path"
 655          */
 656         cp = strchr(fst->f_mntfromname, ':');
 657         if (cp == NULL) {
 658                 warnx("cannot find hostname for %s", fst->f_mntfromname);
 659                 return (0);
 660         }
 661
 662         *cp = '\0';
 663         if (*(cp+1) != '/') {
 664                 *cp = ':';
 665                 return (0);
 666         }
 667
 668         /* Avoid attempting the RPC for special amd(8) filesystems. */
 669         if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
 670             strchr(fst->f_mntfromname, '@') != NULL) {
 671                 *cp = ':';
 672                 return (0);
 673         }
 674
 675         gq_args.gqa_pathp = cp + 1;
 676         gq_args.gqa_uid = id;
 677         if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
 678             RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
 679             (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
 680                 *cp = ':';
 681                 return (0);
 682         }
 683
 684         switch (gq_rslt.status) {
 685         case Q_NOQUOTA:
 686                 break;
 687         case Q_EPERM:
 688                 warnx("quota permission error, host: %s",
 689                         fst->f_mntfromname);
 690                 break;
 691         case Q_OK:
 692                 gettimeofday(&tv, NULL);
 693                         /* blocks*/
 694                 dqp->dqb_bhardlimit =
 695                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
 696                     (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
 697                 dqp->dqb_bsoftlimit =
 698                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
 699                     (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
 700                 dqp->dqb_curblocks =
 701                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
 702                     (gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
 703                         /* inodes */
 704                 dqp->dqb_ihardlimit =
 705                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
 706                 dqp->dqb_isoftlimit =
 707                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
 708                 dqp->dqb_curinodes =
 709                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
 710                         /* grace times */
 711                 dqp->dqb_btime =
 712                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
 713                 dqp->dqb_itime =
 714                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
 715                 *cp = ':';
 716                 return (1);
 717         default:
 718                 warnx("bad rpc result, host: %s", fst->f_mntfromname);
 719                 break;
 720         }
 721         *cp = ':';
 722         return (0);
 723 }
 724
 725 static int
 726 callaurpc(char *host, int prognum, int versnum, int procnum,
 727     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
 728 {
 729         struct sockaddr_in server_addr;
 730         enum clnt_stat clnt_stat;
 731         struct hostent *hp;
 732         struct timeval timeout, tottimeout;
 733
 734         CLIENT *client = NULL;
 735         int sock = RPC_ANYSOCK;
 736
 737         if ((hp = gethostbyname(host)) == NULL)
 738                 return ((int) RPC_UNKNOWNHOST);
 739         timeout.tv_usec = 0;
 740         timeout.tv_sec = 6;
 741         bcopy(hp->h_addr, &server_addr.sin_addr,
 742                         MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
 743         server_addr.sin_family = AF_INET;
 744         server_addr.sin_port =  0;
 745
 746         if ((client = clntudp_create(&server_addr, prognum,
 747             versnum, timeout, &sock)) == NULL)
 748                 return ((int) rpc_createerr.cf_stat);
 749
 750         client->cl_auth = authunix_create_default();
 751         tottimeout.tv_sec = 25;
 752         tottimeout.tv_usec = 0;
 753         clnt_stat = clnt_call(client, procnum, inproc, in,
 754             outproc, out, tottimeout);
 755
 756         return ((int) clnt_stat);
 757 }
 758
 759 static int
 760 alldigits(char *s)
 761 {
 762         int c;
 763
 764         c = *s++;
 765         do {
 766                 if (!isdigit(c))
 767                         return (0);
 768         } while ((c = *s++));
 769         return (1);
 770 }