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 1.4 2004/08/30 18:06:50 eirikn 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 struct quotause *getprivs(long id, int quotatype);
  92 static int ufshasquota(struct fstab *fs, int type, char **qfnamep);
  93 static int getufsquota(struct fstab *fs, struct quotause *qup, long id,
  94         int quotatype);
  95 static int getnfsquota(struct statfs *fst, struct quotause *qup, long id,
  96         int quotatype);
  97 static int callaurpc(char *host, int prognum, int versnum, int procnum,
  98         xdrproc_t inproc, char *in, xdrproc_t outproc, char *out);
  99 static int alldigits(char *s);
 100
 101 int     lflag;
 102 int     qflag;
 103 int     vflag;
 104
 105 int
 106 main(int argc, char *argv[])
 107 {
 108         int ngroups;
 109         gid_t mygid, gidset[NGROUPS];
 110         int i, gflag = 0, uflag = 0;
 111         char ch;
 112
 113         while ((ch = getopt(argc, argv, "glquv")) != -1) {
 114                 switch(ch) {
 115                 case 'g':
 116                         gflag++;
 117                         break;
 118                 case 'l':
 119                         lflag++;
 120                         break;
 121                 case 'q':
 122                         qflag++;
 123                         break;
 124                 case 'u':
 125                         uflag++;
 126                         break;
 127                 case 'v':
 128                         vflag++;
 129                         break;
 130                 default:
 131                         usage();
 132                 }
 133         }
 134         argc -= optind;
 135         argv += optind;
 136         if (!uflag && !gflag)
 137                 uflag++;
 138         if (argc == 0) {
 139                 if (uflag)
 140                         showuid(getuid());
 141                 if (gflag) {
 142                         mygid = getgid();
 143                         ngroups = getgroups(NGROUPS, gidset);
 144                         if (ngroups < 0)
 145                                 err(1, "getgroups");
 146                         showgid(mygid);
 147                         for (i = 0; i < ngroups; i++)
 148                                 if (gidset[i] != mygid)
 149                                         showgid(gidset[i]);
 150                 }
 151                 return(0);
 152         }
 153         if (uflag && gflag)
 154                 usage();
 155         if (uflag) {
 156                 for (; argc > 0; argc--, argv++) {
 157                         if (alldigits(*argv))
 158                                 showuid(atoi(*argv));
 159                         else
 160                                 showusrname(*argv);
 161                 }
 162                 return(0);
 163         }
 164         if (gflag) {
 165                 for (; argc > 0; argc--, argv++) {
 166                         if (alldigits(*argv))
 167                                 showgid(atoi(*argv));
 168                         else
 169                                 showgrpname(*argv);
 170                 }
 171         }
 172         return(0);
 173 }
 174
 175 static void
 176 usage(void)
 177 {
 178
 179         fprintf(stderr, "%s\n%s\n%s\n",
 180             "usage: quota [-glu] [-v | -q]",
 181             "       quota [-lu] [-v | -q] user ...",
 182             "       quota -g [-l] [-v | -q] group ...");
 183         exit(1);
 184 }
 185
 186 /*
 187  * Print out quotas for a specified user identifier.
 188  */
 189 static void
 190 showuid(u_long uid)
 191 {
 192         struct passwd *pwd = getpwuid(uid);
 193         u_long myuid;
 194         const char *name;
 195
 196         if (pwd == NULL)
 197                 name = "(no account)";
 198         else
 199                 name = pwd->pw_name;
 200         myuid = getuid();
 201         if (uid != myuid && myuid != 0) {
 202                 printf("quota: %s (uid %lu): permission denied\n", name, uid);
 203                 return;
 204         }
 205         showquotas(USRQUOTA, uid, name);
 206 }
 207
 208 /*
 209  * Print out quotas for a specifed user name.
 210  */
 211 static void
 212 showusrname(char *name)
 213 {
 214         struct passwd *pwd = getpwnam(name);
 215         u_long myuid;
 216
 217         if (pwd == NULL) {
 218                 warnx("%s: unknown user", name);
 219                 return;
 220         }
 221         myuid = getuid();
 222         if (pwd->pw_uid != myuid && myuid != 0) {
 223                 warnx("%s (uid %u): permission denied", name, pwd->pw_uid);
 224                 return;
 225         }
 226         showquotas(USRQUOTA, pwd->pw_uid, name);
 227 }
 228
 229 /*
 230  * Print out quotas for a specified group identifier.
 231  */
 232 static void
 233 showgid(u_long gid)
 234 {
 235         struct group *grp = getgrgid(gid);
 236         int ngroups;
 237         gid_t mygid, gidset[NGROUPS];
 238         int i;
 239         const char *name;
 240
 241         if (grp == NULL)
 242                 name = "(no entry)";
 243         else
 244                 name = grp->gr_name;
 245         mygid = getgid();
 246         ngroups = getgroups(NGROUPS, gidset);
 247         if (ngroups < 0) {
 248                 warn("getgroups");
 249                 return;
 250         }
 251         if (gid != mygid) {
 252                 for (i = 0; i < ngroups; i++)
 253                         if (gid == gidset[i])
 254                                 break;
 255                 if (i >= ngroups && getuid() != 0) {
 256                         warnx("%s (gid %lu): permission denied", name, gid);
 257                         return;
 258                 }
 259         }
 260         showquotas(GRPQUOTA, gid, name);
 261 }
 262
 263 /*
 264  * Print out quotas for a specifed group name.
 265  */
 266 static void
 267 showgrpname(char *name)
 268 {
 269         struct group *grp = getgrnam(name);
 270         int ngroups;
 271         gid_t mygid, gidset[NGROUPS];
 272         int i;
 273
 274         if (grp == NULL) {
 275                 warnx("%s: unknown group", name);
 276                 return;
 277         }
 278         mygid = getgid();
 279         ngroups = getgroups(NGROUPS, gidset);
 280         if (ngroups < 0) {
 281                 warn("getgroups");
 282                 return;
 283         }
 284         if (grp->gr_gid != mygid) {
 285                 for (i = 0; i < ngroups; i++)
 286                         if (grp->gr_gid == gidset[i])
 287                                 break;
 288                 if (i >= ngroups && getuid() != 0) {
 289                         warnx("%s (gid %u): permission denied", name,
 290                                                 grp->gr_gid);
 291                         return;
 292                 }
 293         }
 294         showquotas(GRPQUOTA, grp->gr_gid, name);
 295 }
 296
 297 static void
 298 showquotas(int type, u_long id, const char *name)
 299 {
 300         struct quotause *qup;
 301         struct quotause *quplist;
 302         const char *msgi, *msgb;
 303         const char *nam;
 304         int lines = 0;
 305         static time_t now;
 306
 307         if (now == 0)
 308                 time(&now);
 309         quplist = getprivs(id, type);
 310         for (qup = quplist; qup; qup = qup->next) {
 311                 if (!vflag &&
 312                     qup->dqblk.dqb_isoftlimit == 0 &&
 313                     qup->dqblk.dqb_ihardlimit == 0 &&
 314                     qup->dqblk.dqb_bsoftlimit == 0 &&
 315                     qup->dqblk.dqb_bhardlimit == 0)
 316                         continue;
 317                 msgi = (char *)0;
 318                 if (qup->dqblk.dqb_ihardlimit &&
 319                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit)
 320                         msgi = "File limit reached on";
 321                 else if (qup->dqblk.dqb_isoftlimit &&
 322                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
 323                         if (qup->dqblk.dqb_itime > now)
 324                                 msgi = "In file grace period on";
 325                         else
 326                                 msgi = "Over file quota on";
 327                 }
 328                 msgb = (char *)0;
 329                 if (qup->dqblk.dqb_bhardlimit &&
 330                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit)
 331                         msgb = "Block limit reached on";
 332                 else if (qup->dqblk.dqb_bsoftlimit &&
 333                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
 334                         if (qup->dqblk.dqb_btime > now)
 335                                 msgb = "In block grace period on";
 336                         else
 337                                 msgb = "Over block quota on";
 338                 }
 339                 if (qflag) {
 340                         if ((msgi != (char *)0 || msgb != (char *)0) &&
 341                             lines++ == 0)
 342                                 heading(type, id, name, "");
 343                         if (msgi != (char *)0)
 344                                 printf("\t%s %s\n", msgi, qup->fsname);
 345                         if (msgb != (char *)0)
 346                                 printf("\t%s %s\n", msgb, qup->fsname);
 347                         continue;
 348                 }
 349                 if (vflag ||
 350                     qup->dqblk.dqb_curblocks ||
 351                     qup->dqblk.dqb_curinodes) {
 352                         if (lines++ == 0)
 353                                 heading(type, id, name, "");
 354                         nam = qup->fsname;
 355                         if (strlen(qup->fsname) > 15) {
 356                                 printf("%s\n", qup->fsname);
 357                                 nam = "";
 358                         }
 359                         printf("%15s%8lu%c%7lu%8lu%8s"
 360                                 , nam
 361                                 , (u_long) (dbtob(qup->dqblk.dqb_curblocks)
 362                                             / 1024)
 363                                 , (msgb == (char *)0) ? ' ' : '*'
 364                                 , (u_long) (dbtob(qup->dqblk.dqb_bsoftlimit)
 365                                             / 1024)
 366                                 , (u_long) (dbtob(qup->dqblk.dqb_bhardlimit)
 367                                             / 1024)
 368                                 , (msgb == (char *)0) ? ""
 369                                     :timeprt(qup->dqblk.dqb_btime));
 370                         printf("%8lu%c%7lu%8lu%8s\n"
 371                                 , (u_long)qup->dqblk.dqb_curinodes
 372                                 , (msgi == (char *)0) ? ' ' : '*'
 373                                 , (u_long)qup->dqblk.dqb_isoftlimit
 374                                 , (u_long)qup->dqblk.dqb_ihardlimit
 375                                 , (msgi == (char *)0) ? ""
 376                                     : timeprt(qup->dqblk.dqb_itime)
 377                         );
 378                         continue;
 379                 }
 380         }
 381         if (!qflag && lines == 0)
 382                 heading(type, id, name, "none");
 383 }
 384
 385 static void
 386 heading(int type, u_long id, const char *name, const char *tag)
 387 {
 388
 389         printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
 390             name, *qfextension[type], id, tag);
 391         if (!qflag && tag[0] == '\0') {
 392                 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
 393                         , "Filesystem"
 394                         , "usage"
 395                         , "quota"
 396                         , "limit"
 397                         , "grace"
 398                         , "files"
 399                         , "quota"
 400                         , "limit"
 401                         , "grace"
 402                 );
 403         }
 404 }
 405
 406 /*
 407  * Calculate the grace period and return a printable string for it.
 408  */
 409 static const char *
 410 timeprt(time_t seconds)
 411 {
 412         time_t hours, minutes;
 413         static char buf[20];
 414         static time_t now;
 415
 416         if (now == 0)
 417                 time(&now);
 418         if (now > seconds)
 419                 return ("none");
 420         seconds -= now;
 421         minutes = (seconds + 30) / 60;
 422         hours = (minutes + 30) / 60;
 423         if (hours >= 36) {
 424                 sprintf(buf, "%lddays", ((long)hours + 12) / 24);
 425                 return (buf);
 426         }
 427         if (minutes >= 60) {
 428                 sprintf(buf, "%2ld:%ld", (long)minutes / 60,
 429                     (long)minutes % 60);
 430                 return (buf);
 431         }
 432         sprintf(buf, "%2ld", (long)minutes);
 433         return (buf);
 434 }
 435
 436 /*
 437  * Collect the requested quota information.
 438  */
 439 static struct quotause *
 440 getprivs(long id, int quotatype)
 441 {
 442         struct quotause *qup, *quptail = NULL;
 443         struct fstab *fs;
 444         struct quotause *quphead;
 445         struct statfs *fst;
 446         int nfst, i;
 447
 448         qup = quphead = (struct quotause *)0;
 449
 450         nfst = getmntinfo(&fst, MNT_NOWAIT);
 451         if (nfst == 0)
 452                 errx(2, "no filesystems mounted!");
 453         setfsent();
 454         for (i=0; i<nfst; i++) {
 455                 if (qup == NULL) {
 456                         if ((qup = (struct quotause *)malloc(sizeof *qup))
 457                             == NULL)
 458                                 errx(2, "out of memory");
 459                 }
 460                 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
 461                         if (lflag)
 462                                 continue;
 463                         if (getnfsquota(&fst[i], qup, id, quotatype)
 464                             == 0)
 465                                 continue;
 466                 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
 467                         /*
 468                          * XXX
 469                          * UFS filesystems must be in /etc/fstab, and must
 470                          * indicate that they have quotas on (?!) This is quite
 471                          * unlike SunOS where quotas can be enabled/disabled
 472                          * on a filesystem independent of /etc/fstab, and it
 473                          * will still print quotas for them.
 474                          */
 475                         if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
 476                                 continue;
 477                         if (getufsquota(fs, qup, id, quotatype) == 0)
 478                                 continue;
 479                 } else
 480                         continue;
 481                 strcpy(qup->fsname, fst[i].f_mntonname);
 482                 if (quphead == NULL)
 483                         quphead = qup;
 484                 else
 485                         quptail->next = qup;
 486                 quptail = qup;
 487                 quptail->next = 0;
 488                 qup = NULL;
 489         }
 490         if (qup)
 491                 free(qup);
 492         endfsent();
 493         return (quphead);
 494 }
 495
 496 /*
 497  * Check to see if a particular quota is to be enabled.
 498  */
 499 static int
 500 ufshasquota(struct fstab *fs, int type, char **qfnamep)
 501 {
 502         static char initname, usrname[100], grpname[100];
 503         static char buf[BUFSIZ];
 504         char *opt, *cp;
 505
 506         if (!initname) {
 507                 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
 508                 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
 509                 initname = 1;
 510         }
 511         strcpy(buf, fs->fs_mntops);
 512         for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
 513                 if ((cp = strchr(opt, '=')))
 514                         *cp++ = '\0';
 515                 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
 516                         break;
 517                 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
 518                         break;
 519         }
 520         if (!opt)
 521                 return (0);
 522         if (cp) {
 523                 *qfnamep = cp;
 524                 return (1);
 525         }
 526         (void) sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
 527         *qfnamep = buf;
 528         return (1);
 529 }
 530
 531 static int
 532 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
 533 {
 534         char *qfpathname;
 535         int fd, qcmd;
 536
 537         qcmd = QCMD(Q_GETQUOTA, quotatype);
 538         if (!ufshasquota(fs, quotatype, &qfpathname))
 539                 return (0);
 540
 541         if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
 542                 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
 543                         warn("%s", qfpathname);
 544                         return (0);
 545                 }
 546                 (void) lseek(fd, (off_t)(id * sizeof(struct dqblk)), L_SET);
 547                 switch (read(fd, &qup->dqblk, sizeof(struct dqblk))) {
 548                 case 0:                         /* EOF */
 549                         /*
 550                          * Convert implicit 0 quota (EOF)
 551                          * into an explicit one (zero'ed dqblk)
 552                          */
 553                         bzero((caddr_t)&qup->dqblk, sizeof(struct dqblk));
 554                         break;
 555                 case sizeof(struct dqblk):      /* OK */
 556                         break;
 557                 default:                /* ERROR */
 558                         warn("read error: %s", qfpathname);
 559                         close(fd);
 560                         return (0);
 561                 }
 562                 close(fd);
 563         }
 564         return (1);
 565 }
 566
 567 static int
 568 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
 569 {
 570         struct getquota_args gq_args;
 571         struct getquota_rslt gq_rslt;
 572         struct dqblk *dqp = &qup->dqblk;
 573         struct timeval tv;
 574         char *cp;
 575
 576         if (fst->f_flags & MNT_LOCAL)
 577                 return (0);
 578
 579         /*
 580          * rpc.rquotad does not support group quotas
 581          */
 582         if (quotatype != USRQUOTA)
 583                 return (0);
 584
 585         /*
 586          * must be some form of "hostname:/path"
 587          */
 588         cp = strchr(fst->f_mntfromname, ':');
 589         if (cp == NULL) {
 590                 warnx("cannot find hostname for %s", fst->f_mntfromname);
 591                 return (0);
 592         }
 593
 594         *cp = '\0';
 595         if (*(cp+1) != '/') {
 596                 *cp = ':';
 597                 return (0);
 598         }
 599
 600         /* Avoid attempting the RPC for special amd(8) filesystems. */
 601         if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
 602             strchr(fst->f_mntfromname, '@') != NULL) {
 603                 *cp = ':';
 604                 return (0);
 605         }
 606
 607         gq_args.gqa_pathp = cp + 1;
 608         gq_args.gqa_uid = id;
 609         if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
 610             RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
 611             (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
 612                 *cp = ':';
 613                 return (0);
 614         }
 615
 616         switch (gq_rslt.status) {
 617         case Q_NOQUOTA:
 618                 break;
 619         case Q_EPERM:
 620                 warnx("quota permission error, host: %s",
 621                         fst->f_mntfromname);
 622                 break;
 623         case Q_OK:
 624                 gettimeofday(&tv, NULL);
 625                         /* blocks*/
 626                 dqp->dqb_bhardlimit =
 627                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
 628                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 629                 dqp->dqb_bsoftlimit =
 630                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
 631                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 632                 dqp->dqb_curblocks =
 633                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
 634                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
 635                         /* inodes */
 636                 dqp->dqb_ihardlimit =
 637                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
 638                 dqp->dqb_isoftlimit =
 639                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
 640                 dqp->dqb_curinodes =
 641                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
 642                         /* grace times */
 643                 dqp->dqb_btime =
 644                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
 645                 dqp->dqb_itime =
 646                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
 647                 *cp = ':';
 648                 return (1);
 649         default:
 650                 warnx("bad rpc result, host: %s", fst->f_mntfromname);
 651                 break;
 652         }
 653         *cp = ':';
 654         return (0);
 655 }
 656
 657 static int
 658 callaurpc(char *host, int prognum, int versnum, int procnum,
 659     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
 660 {
 661         struct sockaddr_in server_addr;
 662         enum clnt_stat clnt_stat;
 663         struct hostent *hp;
 664         struct timeval timeout, tottimeout;
 665
 666         CLIENT *client = NULL;
 667         int sock = RPC_ANYSOCK;
 668
 669         if ((hp = gethostbyname(host)) == NULL)
 670                 return ((int) RPC_UNKNOWNHOST);
 671         timeout.tv_usec = 0;
 672         timeout.tv_sec = 6;
 673         bcopy(hp->h_addr, &server_addr.sin_addr,
 674                         MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
 675         server_addr.sin_family = AF_INET;
 676         server_addr.sin_port =  0;
 677
 678         if ((client = clntudp_create(&server_addr, prognum,
 679             versnum, timeout, &sock)) == NULL)
 680                 return ((int) rpc_createerr.cf_stat);
 681
 682         client->cl_auth = authunix_create_default();
 683         tottimeout.tv_sec = 25;
 684         tottimeout.tv_usec = 0;
 685         clnt_stat = clnt_call(client, procnum, inproc, in,
 686             outproc, out, tottimeout);
 687
 688         return ((int) clnt_stat);
 689 }
 690
 691 static int
 692 alldigits(char *s)
 693 {
 694         int c;
 695
 696         c = *s++;
 697         do {
 698                 if (!isdigit(c))
 699                         return (0);
 700         } while ((c = *s++));
 701         return (1);
 702 }