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  * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California.  All rights reserved.
  37  * @(#)quota.c  8.1 (Berkeley) 6/6/93
  38  * $FreeBSD: src/usr.bin/quota/quota.c,v 1.11.2.5 2002/11/30 23:54:21 iedowse Exp $
  39  * $DragonFly: src/usr.bin/quota/quota.c,v 1.5 2005/03/18 00:57:10 joerg Exp $
  40  */
  41
  42 /*
  43  * Disk quota reporting program.
  44  */
  45
  46 #include <sys/param.h>
  47 #include <sys/types.h>
  48 #include <sys/file.h>
  49 #include <sys/stat.h>
  50 #include <sys/mount.h>
  51 #include <sys/socket.h>
  52
  53 #include <rpc/rpc.h>
  54 #include <rpc/pmap_prot.h>
  55 #include <rpcsvc/rquota.h>
  56
  57 #include <vfs/ufs/quota.h>
  58
  59 #include <ctype.h>
  60 #include <err.h>
  61 #include <fstab.h>
  62 #include <grp.h>
  63 #include <netdb.h>
  64 #include <pwd.h>
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <string.h>
  68 #include <unistd.h>
  69
  70 const char *qfname = QUOTAFILENAME;
  71 const char *qfextension[] = INITQFNAMES;
  72
  73 struct quotause {
  74         struct  quotause *next;
  75         long    flags;
  76         struct  dqblk dqblk;
  77         char    fsname[MAXPATHLEN + 1];
  78 };
  79 #define FOUND   0x01
  80
  81 static const char *timeprt(time_t seconds);
  82 static struct quotause *getprivs(long id, int quotatype);
  83 static void usage(void);
  84 static void showuid(u_long uid);
  85 static void showgid(u_long gid);
  86 static int alldigits(char *s);
  87 static void showusrname(char *name);
  88 static void showgrpname(char *name);
  89 static void showquotas(int type, u_long id, const char *name);
  90 static void heading(int type, u_long id, const char *name, const char *tag);
  91 static int ufshasquota(struct fstab *fs, int type, char **qfnamep);
  92 static int getufsquota(struct fstab *fs, struct quotause *qup, long id,
  93         int quotatype);
  94 static int getnfsquota(struct statfs *fst, struct quotause *qup, long id,
  95         int quotatype);
  96 static int callaurpc(char *host, int prognum, int versnum, int procnum,
  97         xdrproc_t inproc, char *in, xdrproc_t outproc, char *out);
  98
  99 int     lflag;
 100 int     qflag;
 101 int     vflag;
 102
 103 int
 104 main(int argc, char *argv[])
 105 {
 106         int ngroups;
 107         gid_t mygid, gidset[NGROUPS];
 108         int i, gflag = 0, uflag = 0;
 109         char ch;
 110
 111         while ((ch = getopt(argc, argv, "glquv")) != -1) {
 112                 switch(ch) {
 113                 case 'g':
 114                         gflag++;
 115                         break;
 116                 case 'l':
 117                         lflag++;
 118                         break;
 119                 case 'q':
 120                         qflag++;
 121                         break;
 122                 case 'u':
 123                         uflag++;
 124                         break;
 125                 case 'v':
 126                         vflag++;
 127                         break;
 128                 default:
 129                         usage();
 130                 }
 131         }
 132         argc -= optind;
 133         argv += optind;
 134         if (!uflag && !gflag)
 135                 uflag++;
 136         if (argc == 0) {
 137                 if (uflag)
 138                         showuid(getuid());
 139                 if (gflag) {
 140                         mygid = getgid();
 141                         ngroups = getgroups(NGROUPS, gidset);
 142                         if (ngroups < 0)
 143                                 err(1, "getgroups");
 144                         showgid(mygid);
 145                         for (i = 0; i < ngroups; i++)
 146                                 if (gidset[i] != mygid)
 147                                         showgid(gidset[i]);
 148                 }
 149                 return(0);
 150         }
 151         if (uflag && gflag)
 152                 usage();
 153         if (uflag) {
 154                 for (; argc > 0; argc--, argv++) {
 155                         if (alldigits(*argv))
 156                                 showuid(atoi(*argv));
 157                         else
 158                                 showusrname(*argv);
 159                 }
 160                 return(0);
 161         }
 162         if (gflag) {
 163                 for (; argc > 0; argc--, argv++) {
 164                         if (alldigits(*argv))
 165                                 showgid(atoi(*argv));
 166                         else
 167                                 showgrpname(*argv);
 168                 }
 169         }
 170         return(0);
 171 }
 172
 173 static void
 174 usage(void)
 175 {
 176
 177         fprintf(stderr, "%s\n%s\n%s\n",
 178             "usage: quota [-glu] [-v | -q]",
 179             "       quota [-lu] [-v | -q] user ...",
 180             "       quota -g [-l] [-v | -q] group ...");
 181         exit(1);
 182 }
 183
 184 /*
 185  * Print out quotas for a specified user identifier.
 186  */
 187 static void
 188 showuid(u_long uid)
 189 {
 190         struct passwd *pwd = getpwuid(uid);
 191         u_long myuid;
 192         const char *name;
 193
 194         if (pwd == NULL)
 195                 name = "(no account)";
 196         else
 197                 name = pwd->pw_name;
 198         myuid = getuid();
 199         if (uid != myuid && myuid != 0) {
 200                 printf("quota: %s (uid %lu): permission denied\n", name, uid);
 201                 return;
 202         }
 203         showquotas(USRQUOTA, uid, name);
 204 }
 205
 206 /*
 207  * Print out quotas for a specifed user name.
 208  */
 209 static void
 210 showusrname(char *name)
 211 {
 212         struct passwd *pwd = getpwnam(name);
 213         u_long myuid;
 214
 215         if (pwd == NULL) {
 216                 warnx("%s: unknown user", name);
 217                 return;
 218         }
 219         myuid = getuid();
 220         if (pwd->pw_uid != myuid && myuid != 0) {
 221                 warnx("%s (uid %u): permission denied", name, pwd->pw_uid);
 222                 return;
 223         }
 224         showquotas(USRQUOTA, pwd->pw_uid, name);
 225 }
 226
 227 /*
 228  * Print out quotas for a specified group identifier.
 229  */
 230 static void
 231 showgid(u_long gid)
 232 {
 233         struct group *grp = getgrgid(gid);
 234         int ngroups;
 235         gid_t mygid, gidset[NGROUPS];
 236         int i;
 237         const char *name;
 238
 239         if (grp == NULL)
 240                 name = "(no entry)";
 241         else
 242                 name = grp->gr_name;
 243         mygid = getgid();
 244         ngroups = getgroups(NGROUPS, gidset);
 245         if (ngroups < 0) {
 246                 warn("getgroups");
 247                 return;
 248         }
 249         if (gid != mygid) {
 250                 for (i = 0; i < ngroups; i++)
 251                         if (gid == gidset[i])
 252                                 break;
 253                 if (i >= ngroups && getuid() != 0) {
 254                         warnx("%s (gid %lu): permission denied", name, gid);
 255                         return;
 256                 }
 257         }
 258         showquotas(GRPQUOTA, gid, name);
 259 }
 260
 261 /*
 262  * Print out quotas for a specifed group name.
 263  */
 264 static void
 265 showgrpname(char *name)
 266 {
 267         struct group *grp = getgrnam(name);
 268         int ngroups;
 269         gid_t mygid, gidset[NGROUPS];
 270         int i;
 271
 272         if (grp == NULL) {
 273                 warnx("%s: unknown group", name);
 274                 return;
 275         }
 276         mygid = getgid();
 277         ngroups = getgroups(NGROUPS, gidset);
 278         if (ngroups < 0) {
 279                 warn("getgroups");
 280                 return;
 281         }
 282         if (grp->gr_gid != mygid) {
 283                 for (i = 0; i < ngroups; i++)
 284                         if (grp->gr_gid == gidset[i])
 285                                 break;
 286                 if (i >= ngroups && getuid() != 0) {
 287                         warnx("%s (gid %u): permission denied", name,
 288                                                 grp->gr_gid);
 289                         return;
 290                 }
 291         }
 292         showquotas(GRPQUOTA, grp->gr_gid, name);
 293 }
 294
 295 static void
 296 showquotas(int type, u_long id, const char *name)
 297 {
 298         struct quotause *qup;
 299         struct quotause *quplist;
 300         const char *msgi, *msgb;
 301         const char *nam;
 302         int lines = 0;
 303         static time_t now;
 304
 305         if (now == 0)
 306                 time(&now);
 307         quplist = getprivs(id, type);
 308         for (qup = quplist; qup; qup = qup->next) {
 309                 if (!vflag &&
 310                     qup->dqblk.dqb_isoftlimit == 0 &&
 311                     qup->dqblk.dqb_ihardlimit == 0 &&
 312                     qup->dqblk.dqb_bsoftlimit == 0 &&
 313                     qup->dqblk.dqb_bhardlimit == 0)
 314                         continue;
 315                 msgi = (char *)0;
 316                 if (qup->dqblk.dqb_ihardlimit &&
 317                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit)
 318                         msgi = "File limit reached on";
 319                 else if (qup->dqblk.dqb_isoftlimit &&
 320                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
 321                         if (qup->dqblk.dqb_itime > now)
 322                                 msgi = "In file grace period on";
 323                         else
 324                                 msgi = "Over file quota on";
 325                 }
 326                 msgb = (char *)0;
 327                 if (qup->dqblk.dqb_bhardlimit &&
 328                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit)
 329                         msgb = "Block limit reached on";
 330                 else if (qup->dqblk.dqb_bsoftlimit &&
 331                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
 332                         if (qup->dqblk.dqb_btime > now)
 333                                 msgb = "In block grace period on";
 334                         else
 335                                 msgb = "Over block quota on";
 336                 }
 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%8lu%c%7lu%8lu%8s"
 358                                 , nam
 359                                 , (u_long) (dbtob(qup->dqblk.dqb_curblocks)
 360                                             / 1024)
 361                                 , (msgb == (char *)0) ? ' ' : '*'
 362                                 , (u_long) (dbtob(qup->dqblk.dqb_bsoftlimit)
 363                                             / 1024)
 364                                 , (u_long) (dbtob(qup->dqblk.dqb_bhardlimit)
 365                                             / 1024)
 366                                 , (msgb == (char *)0) ? ""
 367                                     :timeprt(qup->dqblk.dqb_btime));
 368                         printf("%8lu%c%7lu%8lu%8s\n"
 369                                 , (u_long)qup->dqblk.dqb_curinodes
 370                                 , (msgi == (char *)0) ? ' ' : '*'
 371                                 , (u_long)qup->dqblk.dqb_isoftlimit
 372                                 , (u_long)qup->dqblk.dqb_ihardlimit
 373                                 , (msgi == (char *)0) ? ""
 374                                     : timeprt(qup->dqblk.dqb_itime)
 375                         );
 376                         continue;
 377                 }
 378         }
 379         if (!qflag && lines == 0)
 380                 heading(type, id, name, "none");
 381 }
 382
 383 static void
 384 heading(int type, u_long id, const char *name, const char *tag)
 385 {
 386
 387         printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
 388             name, *qfextension[type], id, tag);
 389         if (!qflag && tag[0] == '\0') {
 390                 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
 391                         , "Filesystem"
 392                         , "usage"
 393                         , "quota"
 394                         , "limit"
 395                         , "grace"
 396                         , "files"
 397                         , "quota"
 398                         , "limit"
 399                         , "grace"
 400                 );
 401         }
 402 }
 403
 404 /*
 405  * Calculate the grace period and return a printable string for it.
 406  */
 407 static const char *
 408 timeprt(time_t seconds)
 409 {
 410         time_t hours, minutes;
 411         static char buf[20];
 412         static time_t now;
 413
 414         if (now == 0)
 415                 time(&now);
 416         if (now > seconds)
 417                 return ("none");
 418         seconds -= now;
 419         minutes = (seconds + 30) / 60;
 420         hours = (minutes + 30) / 60;
 421         if (hours >= 36) {
 422                 sprintf(buf, "%lddays", ((long)hours + 12) / 24);
 423                 return (buf);
 424         }
 425         if (minutes >= 60) {
 426                 sprintf(buf, "%2ld:%ld", (long)minutes / 60,
 427                     (long)minutes % 60);
 428                 return (buf);
 429         }
 430         sprintf(buf, "%2ld", (long)minutes);
 431         return (buf);
 432 }
 433
 434 /*
 435  * Collect the requested quota information.
 436  */
 437 static struct quotause *
 438 getprivs(long id, int quotatype)
 439 {
 440         struct quotause *qup, *quptail = NULL;
 441         struct fstab *fs;
 442         struct quotause *quphead;
 443         struct statfs *fst;
 444         int nfst, i;
 445
 446         qup = quphead = (struct quotause *)0;
 447
 448         nfst = getmntinfo(&fst, MNT_NOWAIT);
 449         if (nfst == 0)
 450                 errx(2, "no filesystems mounted!");
 451         setfsent();
 452         for (i=0; i<nfst; i++) {
 453                 if (qup == NULL) {
 454                         if ((qup = (struct quotause *)malloc(sizeof *qup))
 455                             == NULL)
 456                                 errx(2, "out of memory");
 457                 }
 458                 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
 459                         if (lflag)
 460                                 continue;
 461                         if (getnfsquota(&fst[i], qup, id, quotatype)
 462                             == 0)
 463                                 continue;
 464                 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
 465                         /*
 466                          * XXX
 467                          * UFS filesystems must be in /etc/fstab, and must
 468                          * indicate that they have quotas on (?!) This is quite
 469                          * unlike SunOS where quotas can be enabled/disabled
 470                          * on a filesystem independent of /etc/fstab, and it
 471                          * will still print quotas for them.
 472                          */
 473                         if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
 474                                 continue;
 475                         if (getufsquota(fs, qup, id, quotatype) == 0)
 476                                 continue;
 477                 } else
 478                         continue;
 479                 strcpy(qup->fsname, fst[i].f_mntonname);
 480                 if (quphead == NULL)
 481                         quphead = qup;
 482                 else
 483                         quptail->next = qup;
 484                 quptail = qup;
 485                 quptail->next = 0;
 486                 qup = NULL;
 487         }
 488         if (qup)
 489                 free(qup);
 490         endfsent();
 491         return (quphead);
 492 }
 493
 494 /*
 495  * Check to see if a particular quota is to be enabled.
 496  */
 497 static int
 498 ufshasquota(struct fstab *fs, int type, char **qfnamep)
 499 {
 500         static char initname, usrname[100], grpname[100];
 501         static char buf[BUFSIZ];
 502         char *opt, *cp;
 503
 504         if (!initname) {
 505                 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
 506                 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
 507                 initname = 1;
 508         }
 509         strcpy(buf, fs->fs_mntops);
 510         for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
 511                 if ((cp = strchr(opt, '=')))
 512                         *cp++ = '\0';
 513                 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
 514                         break;
 515                 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
 516                         break;
 517         }
 518         if (!opt)
 519                 return (0);
 520         if (cp) {
 521                 *qfnamep = cp;
 522                 return (1);
 523         }
 524         (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
 525         *qfnamep = buf;
 526         return (1);
 527 }
 528
 529 static int
 530 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
 531 {
 532         char *qfpathname;
 533         int fd, qcmd;
 534
 535         qcmd = QCMD(Q_GETQUOTA, quotatype);
 536         if (!ufshasquota(fs, quotatype, &qfpathname))
 537                 return (0);
 538
 539         if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
 540                 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
 541                         warn("%s", qfpathname);
 542                         return (0);
 543                 }
 544                 (void) lseek(fd, (off_t)(id * sizeof(struct dqblk)), L_SET);
 545                 switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
 546                 case 0:                         /* EOF */
 547                         /*
 548                          * Convert implicit 0 quota (EOF)
 549                          * into an explicit one (zero'ed dqblk)
 550                          */
 551                         bzero((caddr_t)&qup->dqblk, sizeof(struct dqblk));
 552                         break;
 553                 case sizeof(struct dqblk):      /* OK */
 554                         break;
 555                 default:                /* ERROR */
 556                         warn("read error: %s", qfpathname);
 557                         close(fd);
 558                         return (0);
 559                 }
 560                 close(fd);
 561         }
 562         return (1);
 563 }
 564
 565 static int
 566 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
 567 {
 568         struct getquota_args gq_args;
 569         struct getquota_rslt gq_rslt;
 570         struct dqblk *dqp = &qup->dqblk;
 571         struct timeval tv;
 572         char *cp;
 573
 574         if (fst->f_flags & MNT_LOCAL)
 575                 return (0);
 576
 577         /*
 578          * rpc.rquotad does not support group quotas
 579          */
 580         if (quotatype != USRQUOTA)
 581                 return (0);
 582
 583         /*
 584          * must be some form of "hostname:/path"
 585          */
 586         cp = strchr(fst->f_mntfromname, ':');
 587         if (cp == NULL) {
 588                 warnx("cannot find hostname for %s", fst->f_mntfromname);
 589                 return (0);
 590         }
 591
 592         *cp = '\0';
 593         if (*(cp+1) != '/') {
 594                 *cp = ':';
 595                 return (0);
 596         }
 597
 598         /* Avoid attempting the RPC for special amd(8) filesystems. */
 599         if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
 600             strchr(fst->f_mntfromname, '@') != NULL) {
 601                 *cp = ':';
 602                 return (0);
 603         }
 604
 605         gq_args.gqa_pathp = cp + 1;
 606         gq_args.gqa_uid = id;
 607         if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
 608             RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
 609             (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
 610                 *cp = ':';
 611                 return (0);
 612         }
 613
 614         switch (gq_rslt.status) {
 615         case Q_NOQUOTA:
 616                 break;
 617         case Q_EPERM:
 618                 warnx("quota permission error, host: %s",
 619                         fst->f_mntfromname);
 620                 break;
 621         case Q_OK:
 622                 gettimeofday(&tv, NULL);
 623                         /* blocks*/
 624                 dqp->dqb_bhardlimit =
 625                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
 626                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 627                 dqp->dqb_bsoftlimit =
 628                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
 629                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 630                 dqp->dqb_curblocks =
 631                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
 632                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 633                         /* inodes */
 634                 dqp->dqb_ihardlimit =
 635                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
 636                 dqp->dqb_isoftlimit =
 637                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
 638                 dqp->dqb_curinodes =
 639                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
 640                         /* grace times */
 641                 dqp->dqb_btime =
 642                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
 643                 dqp->dqb_itime =
 644                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
 645                 *cp = ':';
 646                 return (1);
 647         default:
 648                 warnx("bad rpc result, host: %s", fst->f_mntfromname);
 649                 break;
 650         }
 651         *cp = ':';
 652         return (0);
 653 }
 654
 655 static int
 656 callaurpc(char *host, int prognum, int versnum, int procnum,
 657     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
 658 {
 659         struct sockaddr_in server_addr;
 660         enum clnt_stat clnt_stat;
 661         struct hostent *hp;
 662         struct timeval timeout, tottimeout;
 663
 664         CLIENT *client = NULL;
 665         int sock = RPC_ANYSOCK;
 666
 667         if ((hp = gethostbyname(host)) == NULL)
 668                 return ((int) RPC_UNKNOWNHOST);
 669         timeout.tv_usec = 0;
 670         timeout.tv_sec = 6;
 671         bcopy(hp->h_addr, &server_addr.sin_addr,
 672                         MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
 673         server_addr.sin_family = AF_INET;
 674         server_addr.sin_port =  0;
 675
 676         if ((client = clntudp_create(&server_addr, prognum,
 677             versnum, timeout, &sock)) == NULL)
 678                 return ((int) rpc_createerr.cf_stat);
 679
 680         client->cl_auth = authunix_create_default();
 681         tottimeout.tv_sec = 25;
 682         tottimeout.tv_usec = 0;
 683         clnt_stat = clnt_call(client, procnum, inproc, in,
 684             outproc, out, tottimeout);
 685
 686         return ((int) clnt_stat);
 687 }
 688
 689 static int
 690 alldigits(char *s)
 691 {
 692         int c;
 693
 694         c = *s++;
 695         do {
 696                 if (!isdigit(c))
 697                         return (0);
 698         } while ((c = *s++));
 699         return (1);
 700 }