restore/main.c

   1 /*
   2  *      Ported to Linux's Second Extended File System as part of the
   3  *      dump and restore backup suit
   4  *      Remy Card <card@Linux.EU.Org>, 1994-1997
   5  *      Stelian Pop <stelian@popies.net>, 1999-2000
   6  *      Stelian Pop <stelian@popies.net> - Alcôve <www.alcove.com>, 2000-2002
   7  */
   8
   9 /*
  10  * Copyright (c) 1983, 1993
  11  *      The Regents of the University of California.  All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the University nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  */
  37
  38 #ifndef lint
  39 static const char rcsid[] =
  40         "$Id: main.c,v 1.44 2003/03/30 15:40:38 stelian Exp $";
  41 #endif /* not lint */
  42
  43 #include <config.h>
  44 #include <compatlfs.h>
  45 #include <fcntl.h>
  46 #include <sys/param.h>
  47 #include <sys/stat.h>
  48 #include <errno.h>
  49
  50 #ifdef  __linux__
  51 #include <sys/time.h>
  52 #include <time.h>
  53 #ifdef HAVE_EXT2FS_EXT2_FS_H
  54 #include <ext2fs/ext2_fs.h>
  55 #else
  56 #include <linux/ext2_fs.h>
  57 #endif
  58 #include <bsdcompat.h>
  59 #include <signal.h>
  60 #include <string.h>
  61 #else   /* __linux__ */
  62 #include <ufs/ufs/dinode.h>
  63 #endif  /* __linux__ */
  64 #include <protocols/dumprestore.h>
  65
  66 #include <compaterr.h>
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <unistd.h>
  70
  71 #ifdef  __linux__
  72 #include <ext2fs/ext2fs.h>
  73 #include <getopt.h>
  74 #endif
  75
  76 #include "pathnames.h"
  77 #include "restore.h"
  78 #include "extern.h"
  79
  80 int     aflag = 0, bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
  81 int     hflag = 1, mflag = 1, Mflag = 0, Nflag = 0, Vflag = 0, zflag = 0;
  82 int     uflag = 0, lflag = 0, Lflag = 0, oflag = 0;
  83 char    *Afile = NULL;
  84 int     dokerberos = 0;
  85 char    command = '\0';
  86 long    dumpnum = 1;
  87 long    volno = 0;
  88 long    ntrec;
  89 char    *dumpmap = NULL;
  90 char    *usedinomap = NULL;
  91 dump_ino_t maxino;
  92 time_t  dumptime;
  93 time_t  dumpdate;
  94 FILE    *terminal;
  95 char    *tmpdir;
  96 int     compare_ignore_not_found;
  97 int     compare_errors;
  98 char    filesys[NAMELEN];
  99 static const char *stdin_opt = NULL;
 100 char    *bot_script = NULL;
 101 dump_ino_t volinfo[TP_NINOS];
 102
 103 #ifdef USE_QFA
 104 FILE    *gTapeposfp;
 105 char    *gTapeposfile;
 106 char    gTps[255];
 107 long    gSeekstart;
 108 int     tapeposflag;
 109 int     gTapeposfd;
 110 int     createtapeposflag;
 111 unsigned long qfadumpdate;
 112 long long curtapepos;
 113 #endif /* USE_QFA */
 114
 115 #if defined(__linux__) || defined(sunos)
 116 char    *__progname;
 117 #endif
 118
 119 static void obsolete __P((int *, char **[]));
 120 static void usage __P((void));
 121 static void use_stdin __P((const char *));
 122
 123 #define FORCED_UMASK (077)
 124
 125 int
 126 main(int argc, char *argv[])
 127 {
 128         int ch;
 129         dump_ino_t ino;
 130         char *inputdev = _PATH_DEFTAPE;
 131         char *symtbl = "./restoresymtable";
 132         char *p, name[MAXPATHLEN];
 133         FILE *filelist = NULL;
 134         char fname[MAXPATHLEN];
 135         mode_t orig_umask;
 136 #ifdef DEBUG_QFA
 137         time_t tistart, tiend, titaken;
 138 #endif
 139 #ifdef USE_QFA
 140         tapeposflag = 0;
 141         createtapeposflag = 0;
 142 #endif /* USE_QFA */
 143
 144         /* Temp files should *not* be readable.  We set permissions later. */
 145         orig_umask = umask(FORCED_UMASK);
 146         filesys[0] = '\0';
 147 #if defined(__linux__) || defined(sunos)
 148         __progname = argv[0];
 149 #endif
 150
 151         if (argc < 2)
 152                 usage();
 153
 154         if ((inputdev = getenv("TAPE")) == NULL)
 155                 inputdev = _PATH_DEFTAPE;
 156         if ((tmpdir = getenv("TMPDIR")) == NULL)
 157                 tmpdir = _PATH_TMP;
 158         if ((tmpdir = strdup(tmpdir)) == NULL)
 159                 err(1, "malloc tmpdir");
 160         for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
 161                 ;
 162         obsolete(&argc, &argv);
 163         while ((ch = getopt(argc, argv,
 164                 "aA:b:CcdD:f:F:hi"
 165 #ifdef KERBEROS
 166                 "k"
 167 #endif
 168                 "lL:mMNo"
 169 #ifdef USE_QFA
 170                 "P:Q:"
 171 #endif
 172                 "Rrs:tT:uvVxX:y")) != -1)
 173                 switch(ch) {
 174                 case 'a':
 175                         aflag = 1;
 176                         break;
 177                 case 'A':
 178                         Afile = optarg;
 179                         aflag = 1;
 180                         break;
 181                 case 'b':
 182                         /* Change default tape blocksize. */
 183                         bflag = 1;
 184                         ntrec = strtol(optarg, &p, 10);
 185                         if (*p)
 186                                 errx(1, "illegal blocksize -- %s", optarg);
 187                         if (ntrec <= 0)
 188                                 errx(1, "block size must be greater than 0");
 189                         break;
 190                 case 'c':
 191                         cvtflag = 1;
 192                         break;
 193                 case 'D':
 194                         strncpy(filesys, optarg, NAMELEN);
 195                         filesys[NAMELEN - 1] = '\0';
 196                         break;
 197                 case 'T':
 198                         tmpdir = optarg;
 199                         break;
 200                 case 'd':
 201                         dflag = 1;
 202                         break;
 203                 case 'f':
 204                         if( !strcmp(optarg,"-") )
 205                                 use_stdin("-f");
 206                         inputdev = optarg;
 207                         break;
 208                 case 'F':
 209                         bot_script = optarg;
 210                         break;
 211                 case 'h':
 212                         hflag = 0;
 213                         break;
 214 #ifdef KERBEROS
 215                 case 'k':
 216                         dokerberos = 1;
 217                         break;
 218 #endif
 219                 case 'C':
 220                 case 'i':
 221 #ifdef USE_QFA
 222                 case 'P':
 223 #endif
 224                 case 'R':
 225                 case 'r':
 226                 case 't':
 227                 case 'x':
 228                         if (command != '\0')
 229                                 errx(1,
 230                                     "%c and %c options are mutually exclusive",
 231                                     ch, command);
 232                         command = ch;
 233 #ifdef USE_QFA
 234                         if (ch == 'P') {
 235                                 gTapeposfile = optarg;
 236                                 createtapeposflag = 1;
 237                         }
 238 #endif
 239
 240                         break;
 241                 case 'l':
 242                         lflag = 1;
 243                         break;
 244                 case 'L':
 245                         Lflag = strtol(optarg, &p, 10);
 246                         if (*p)
 247                                 errx(1, "illegal limit -- %s", optarg);
 248                         if (Lflag < 0)
 249                                 errx(1, "limit must be greater than 0");
 250                         break;
 251                 case 'm':
 252                         mflag = 0;
 253                         break;
 254                 case 'M':
 255                         Mflag = 1;
 256                         break;
 257                 case 'N':
 258                         Nflag = 1;
 259                         break;
 260                 case 'o':
 261                         oflag = 1;
 262                         break;
 263 #ifdef USE_QFA
 264                 case 'Q':
 265                         gTapeposfile = optarg;
 266                         tapeposflag = 1;
 267                         aflag = 1;
 268                         break;
 269 #endif
 270                 case 's':
 271                         /* Dumpnum (skip to) for multifile dump tapes. */
 272                         dumpnum = strtol(optarg, &p, 10);
 273                         if (*p)
 274                                 errx(1, "illegal dump number -- %s", optarg);
 275                         if (dumpnum <= 0)
 276                                 errx(1, "dump number must be greater than 0");
 277                         break;
 278                 case 'u':
 279                         uflag = 1;
 280                         break;
 281                 case 'v':
 282                         vflag = 1;
 283                         break;
 284                 case 'V':
 285                         Vflag = 1;
 286                         break;
 287                 case 'X':
 288                         if( !strcmp(optarg,"-") ) {
 289                                 use_stdin("-X");
 290                                 filelist = stdin;
 291                         }
 292                         else
 293                                 if ( !(filelist = fopen(optarg,"r")) )
 294                                         errx(1, "can't open file for reading -- %s", optarg);
 295                         break;
 296                 case 'y':
 297                         yflag = 1;
 298                         break;
 299                 default:
 300                         usage();
 301                 }
 302         argc -= optind;
 303         argv += optind;
 304
 305         if (command == '\0')
 306                 errx(1, "none of C, i, R, r, t or x options specified");
 307
 308 #ifdef USE_QFA
 309         if (!mflag && tapeposflag)
 310                 errx(1, "m and Q options are mutually exclusive");
 311
 312         if (tapeposflag && command != 'i' && command != 'x' && command != 't')
 313                 errx(1, "Q option is not valid for %c command", command);
 314 #endif
 315
 316         if (Afile && command != 'i' && command != 'x' && command != 't')
 317                 errx(1, "A option is not valid for %c command", command);
 318
 319         if (signal(SIGINT, onintr) == SIG_IGN)
 320                 (void) signal(SIGINT, SIG_IGN);
 321         if (signal(SIGTERM, onintr) == SIG_IGN)
 322                 (void) signal(SIGTERM, SIG_IGN);
 323         setlinebuf(stderr);
 324
 325         atexit(cleanup);
 326
 327         if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
 328 #ifdef RRESTORE
 329             && !strchr(inputdev, ':')
 330 #endif
 331           ) {
 332                 /* since we chdir into the directory we are comparing
 333                  * to, we must retain the full tape path */
 334                 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
 335                 if (!getcwd(wd, MAXPATHLEN))
 336                         err(1, "can't get current directory");
 337                 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
 338                 fullpathinput[MAXPATHLEN - 1] = '\0';
 339                 setinput(fullpathinput);
 340         }
 341         else
 342                 setinput(inputdev);
 343
 344         if (argc == 0 && !filelist) {
 345                 argc = 1;
 346                 *--argv = ".";
 347         }
 348
 349 #ifdef USE_QFA
 350         if (tapeposflag) {
 351                 msg("reading QFA positions from %s\n", gTapeposfile);
 352                 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
 353                         errx(1, "can't open file for reading -- %s",
 354                                 gTapeposfile);
 355                 /* start reading header info */
 356                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 357                         errx(1, "not requested format of -- %s", gTapeposfile);
 358                 gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
 359                 if (strcmp(gTps, QFA_MAGIC) != 0)
 360                         errx(1, "not requested format of -- %s", gTapeposfile);
 361                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 362                         errx(1, "not requested format of -- %s", gTapeposfile);
 363                 gTps[strlen(gTps) - 1] = 0;
 364                 if (strcmp(gTps, QFA_VERSION) != 0)
 365                         errx(1, "not requested format of -- %s", gTapeposfile);
 366                 /* read dumpdate */
 367                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 368                         errx(1, "not requested format of -- %s", gTapeposfile);
 369                 gTps[strlen(gTps) - 1] = 0;
 370                 qfadumpdate = atol(gTps);
 371                 /* read empty line */
 372                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 373                         errx(1, "not requested format of -- %s", gTapeposfile);
 374                 gTps[strlen(gTps) - 1] = 0;
 375                 /* read table header line */
 376                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 377                         errx(1, "not requested format of -- %s", gTapeposfile);
 378                 gTps[strlen(gTps) - 1] = 0;
 379                 /* end reading header info */
 380                 /* tape position table starts here */
 381                 gSeekstart = ftell(gTapeposfp); /* remember for later use */
 382         }
 383 #endif /* USE_QFA */
 384
 385         switch (command) {
 386         /*
 387          * Compare contents of tape.
 388          */
 389         case 'C': {
 390                 struct STAT stbuf;
 391
 392                 Vprintf(stdout, "Begin compare restore\n");
 393                 compare_ignore_not_found = 0;
 394                 compare_errors = 0;
 395                 setup();
 396                 printf("filesys = %s\n", filesys);
 397                 if (STAT(filesys, &stbuf) < 0)
 398                         err(1, "cannot stat directory %s", filesys);
 399                 if (chdir(filesys) < 0)
 400                         err(1, "cannot cd to %s", filesys);
 401                 compare_ignore_not_found = dumptime > 0;
 402                 initsymtable((char *)0);
 403                 extractdirs(0);
 404                 treescan(".", ROOTINO, nodeupdates);
 405                 compareleaves();
 406                 checkrestore();
 407                 if (compare_errors) {
 408                         printf("Some files were modified!\n");
 409                         exit(2);
 410                 }
 411                 break;
 412         }
 413
 414         /*
 415          * Interactive mode.
 416          */
 417         case 'i':
 418                 setup();
 419                 extractdirs(1);
 420                 initsymtable(NULL);
 421                 runcmdshell();
 422                 break;
 423         /*
 424          * Incremental restoration of a file system.
 425          */
 426         case 'r':
 427                 aflag = 1;      /* in -r or -R mode, -a is default */
 428                 setup();
 429                 if (dumptime > 0) {
 430                         /*
 431                          * This is an incremental dump tape.
 432                          */
 433                         Vprintf(stdout, "Begin incremental restore\n");
 434                         initsymtable(symtbl);
 435                         extractdirs(1);
 436                         removeoldleaves();
 437                         Vprintf(stdout, "Calculate node updates.\n");
 438                         treescan(".", ROOTINO, nodeupdates);
 439                         findunreflinks();
 440                         removeoldnodes();
 441                 } else {
 442                         /*
 443                          * This is a level zero dump tape.
 444                          */
 445                         Vprintf(stdout, "Begin level 0 restore\n");
 446                         initsymtable((char *)0);
 447                         extractdirs(1);
 448                         Vprintf(stdout, "Calculate extraction list.\n");
 449                         treescan(".", ROOTINO, nodeupdates);
 450                 }
 451                 createleaves(symtbl);
 452                 createlinks();
 453                 setdirmodes(FORCE);
 454                 checkrestore();
 455                 if (dflag) {
 456                         Vprintf(stdout, "Verify the directory structure\n");
 457                         treescan(".", ROOTINO, verifyfile);
 458                 }
 459                 dumpsymtable(symtbl, (long)1);
 460                 break;
 461         /*
 462          * Resume an incremental file system restoration.
 463          */
 464         case 'R':
 465                 aflag = 1;      /* in -r or -R mode, -a is default */
 466                 initsymtable(symtbl);
 467                 skipmaps();
 468                 skipdirs();
 469                 createleaves(symtbl);
 470                 createlinks();
 471                 setdirmodes(FORCE);
 472                 checkrestore();
 473                 dumpsymtable(symtbl, (long)1);
 474                 break;
 475
 476 /* handle file names from either text file (-X) or the command line */
 477 #define NEXTFILE(p) \
 478         p = NULL; \
 479         if (argc) { \
 480                 --argc; \
 481                 p = *argv++; \
 482         } \
 483         else if (filelist) { \
 484                 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
 485                         if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
 486                                 *(p + strlen(p) - 1) = '\0'; \
 487                         if ( !*p ) /* skip empty lines */ \
 488                                 continue; \
 489                         } \
 490         }
 491
 492         /*
 493          * List contents of tape.
 494          */
 495         case 't':
 496                 setup();
 497                 extractdirs(0);
 498                 initsymtable((char *)0);
 499                 printvolinfo();
 500                 for (;;) {
 501                         NEXTFILE(p);
 502                         if (!p)
 503                                 break;
 504                         canon(p, name, sizeof(name));
 505                         ino = dirlookup(name);
 506                         if (ino == 0)
 507                                 continue;
 508                         treescan(name, ino, listfile);
 509                 }
 510                 break;
 511         /*
 512          * Batch extraction of tape contents.
 513          */
 514         case 'x':
 515 #ifdef DEBUG_QFA
 516                 tistart = time(NULL);
 517 #endif
 518                 setup();
 519                 extractdirs(1);
 520                 initsymtable((char *)0);
 521                 for (;;) {
 522                         NEXTFILE(p);
 523                         if (!p)
 524                                 break;
 525                         canon(p, name, sizeof(name));
 526                         ino = dirlookup(name);
 527                         if (ino == 0)
 528                                 continue;
 529                         if (mflag)
 530                                 pathcheck(name);
 531                         treescan(name, ino, addfile);
 532                 }
 533                 createfiles();
 534                 createlinks();
 535                 setdirmodes(oflag ? FORCE : 0);
 536                 if (dflag)
 537                         checkrestore();
 538 #ifdef DEBUG_QFA
 539                 tiend = time(NULL);
 540                 titaken = tiend - tistart;
 541                 msg("restore took %d:%02d:%02d\n", titaken / 3600,
 542                         (titaken % 3600) / 60, titaken % 60);
 543 #endif /* DEBUG_QFA */
 544                 break;
 545 #ifdef USE_QFA
 546         case 'P':
 547 #ifdef DEBUG_QFA
 548                 tistart = time(NULL);
 549 #endif
 550                 setup();
 551                 msg("writing QFA positions to %s\n", gTapeposfile);
 552                 (void) umask(orig_umask);
 553                 if ((gTapeposfd = open(gTapeposfile, O_WRONLY|O_CREAT|O_TRUNC,
 554                                        S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP
 555                                        |S_IROTH|S_IWOTH)) < 0)
 556                         errx(1, "can't create tapeposfile\n");
 557                 (void) umask(FORCED_UMASK);
 558                 /* print QFA-file header */
 559                 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION,(unsigned long)spcl.c_date);
 560                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 561                         errx(1, "can't write tapeposfile\n");
 562                 sprintf(gTps, "ino\ttapeno\ttapepos\n");
 563                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 564                         errx(1, "can't write tapeposfile\n");
 565
 566                 extractdirs(1);
 567                 initsymtable((char *)0);
 568                 for (;;) {
 569                         NEXTFILE(p);
 570                         if (!p)
 571                                 break;
 572                         canon(p, name, sizeof(name));
 573                         ino = dirlookup(name);
 574                         if (ino == 0)
 575                                 continue;
 576                         if (mflag)
 577                                 pathcheck(name);
 578                         treescan(name, ino, addfile);
 579                 }
 580                 createfiles();
 581 #ifdef DEBUG_QFA
 582                 tiend = time(NULL);
 583                 titaken = tiend - tistart;
 584                 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
 585                         (titaken % 3600) / 60, titaken % 60);
 586 #endif /* DEBUG_QFA */
 587                 break;
 588 #endif /* USE_QFA */
 589         }
 590         exit(0);
 591         /* NOTREACHED */
 592         return 0;       /* gcc shut up */
 593 }
 594
 595 static void
 596 usage(void)
 597 {
 598         char white[MAXPATHLEN];
 599         const char *ext2ver, *ext2date;
 600
 601         memset(white, ' ', MAXPATHLEN);
 602         white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
 603
 604 #ifdef __linux__
 605         ext2fs_get_library_version(&ext2ver, &ext2date);
 606         (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
 607                       __progname, _DUMP_VERSION, ext2ver, ext2date);
 608 #else
 609         (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
 610 #endif
 611
 612 #ifdef KERBEROS
 613 #define kerbflag "k"
 614 #else
 615 #define kerbflag
 616 #endif
 617
 618 #ifdef USE_QFA
 619 #define qfaflag "[-Q file] "
 620 #else
 621 #define qfaflag
 622 #endif
 623
 624         fprintf(stderr,
 625                 "usage:"
 626                 "\t%s -C [-cd" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
 627                 "\t%s    [-F script] [-L limit] [-s fileno]\n"
 628                 "\t%s -i [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 629                 "\t%s    [-F script] " qfaflag "[-s fileno]\n"
 630 #ifdef USE_QFA
 631                 "\t%s -P file [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
 632                 "\t%s    [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
 633 #endif
 634                 "\t%s -r [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 635                 "\t%s    [-s fileno] [-T directory]\n"
 636                 "\t%s -R [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 637                 "\t%s    [-s fileno] [-T directory]\n"
 638                 "\t%s -t [-cdh" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
 639                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
 640                 "\t%s -x [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 641                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
 642                 __progname, white,
 643                 __progname, white,
 644 #ifdef USE_QFA
 645                 __progname, white,
 646 #endif
 647                 __progname, white,
 648                 __progname, white,
 649                 __progname, white,
 650                 __progname, white);
 651         exit(1);
 652 }
 653
 654 /*
 655  * obsolete --
 656  *      Change set of key letters and ordered arguments into something
 657  *      getopt(3) will like.
 658  */
 659 static void
 660 obsolete(int *argcp, char **argvp[])
 661 {
 662         int argc, flags;
 663         char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
 664
 665         /* Setup. */
 666         argv = *argvp;
 667         argc = *argcp;
 668
 669         /* Return if no arguments or first argument has leading dash. */
 670         ap = argv[1];
 671         if (argc == 1 || *ap == '-')
 672                 return;
 673
 674         /* Allocate space for new arguments. */
 675         if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
 676             (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
 677                 err(1, "malloc args");
 678
 679         *nargv++ = *argv;
 680         argv += 2, argc -= 2;
 681
 682         for (flags = 0; *ap; ++ap) {
 683                 switch (*ap) {
 684                 case 'A':
 685                 case 'b':
 686                 case 'D':
 687                 case 'f':
 688                 case 'F':
 689                 case 'L':
 690                 case 'Q':
 691                 case 's':
 692                 case 'T':
 693                 case 'X':
 694                         if (*argv == NULL) {
 695                                 warnx("option requires an argument -- %c", *ap);
 696                                 usage();
 697                         }
 698                         if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
 699                                 err(1, "malloc arg");
 700                         nargv[0][0] = '-';
 701                         nargv[0][1] = *ap;
 702                         (void)strcpy(&nargv[0][2], *argv);
 703                         ++argv;
 704                         ++nargv;
 705                         break;
 706                 default:
 707                         if (!flags) {
 708                                 *p++ = '-';
 709                                 flags = 1;
 710                         }
 711                         *p++ = *ap;
 712                         break;
 713                 }
 714         }
 715
 716         /* Terminate flags. */
 717         if (flags) {
 718                 *p = '\0';
 719                 *nargv++ = flagsp;
 720         }
 721
 722         /* Copy remaining arguments. */
 723         while ((*nargv++ = *argv++));
 724
 725         /* Update argument count. */
 726         *argcp = nargv - *argvp - 1;
 727 }
 728
 729 /*
 730  * use_stdin --
 731  *      reserve stdin for opt (avoid conflicts)
 732  */
 733 void
 734 use_stdin(const char *opt)
 735 {
 736         if (stdin_opt)
 737                 errx(1, "can't handle standard input for both %s and %s",
 738                         stdin_opt, opt);
 739         stdin_opt = opt;
 740 }