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. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by the University of
  24  *      California, Berkeley and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  */
  41
  42 #ifndef lint
  43 static const char rcsid[] =
  44         "$Id: main.c,v 1.41 2002/07/19 14:57:39 stelian Exp $";
  45 #endif /* not lint */
  46
  47 #include <config.h>
  48 #include <compatlfs.h>
  49 #include <fcntl.h>
  50 #include <sys/param.h>
  51 #include <sys/stat.h>
  52 #include <errno.h>
  53
  54 #ifdef  __linux__
  55 #include <sys/time.h>
  56 #include <time.h>
  57 #ifdef HAVE_EXT2FS_EXT2_FS_H
  58 #include <ext2fs/ext2_fs.h>
  59 #else
  60 #include <linux/ext2_fs.h>
  61 #endif
  62 #include <bsdcompat.h>
  63 #include <signal.h>
  64 #include <string.h>
  65 #else   /* __linux__ */
  66 #include <ufs/ufs/dinode.h>
  67 #endif  /* __linux__ */
  68 #include <protocols/dumprestore.h>
  69
  70 #include <compaterr.h>
  71 #include <stdio.h>
  72 #include <stdlib.h>
  73 #include <unistd.h>
  74
  75 #ifdef  __linux__
  76 #include <ext2fs/ext2fs.h>
  77 #include <getopt.h>
  78 #endif
  79
  80 #include "pathnames.h"
  81 #include "restore.h"
  82 #include "extern.h"
  83
  84 int     aflag = 0, bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0;
  85 int     hflag = 1, mflag = 1, Mflag = 0, Nflag = 0, Vflag = 0, zflag = 0;
  86 int     uflag = 0, lflag = 0, Lflag = 0, oflag = 0;
  87 char    *Afile = NULL;
  88 int     dokerberos = 0;
  89 char    command = '\0';
  90 long    dumpnum = 1;
  91 long    volno = 0;
  92 long    ntrec;
  93 char    *dumpmap;
  94 char    *usedinomap;
  95 dump_ino_t maxino;
  96 time_t  dumptime;
  97 time_t  dumpdate;
  98 FILE    *terminal;
  99 char    *tmpdir;
 100 int     compare_ignore_not_found;
 101 int     compare_errors;
 102 char    filesys[NAMELEN];
 103 static const char *stdin_opt = NULL;
 104 char    *bot_script = NULL;
 105 dump_ino_t volinfo[TP_NINOS];
 106
 107 #ifdef USE_QFA
 108 FILE    *gTapeposfp;
 109 char    *gTapeposfile;
 110 char    gTps[255];
 111 long    gSeekstart;
 112 int     tapeposflag;
 113 int     gTapeposfd;
 114 int     createtapeposflag;
 115 unsigned long qfadumpdate;
 116 long long curtapepos;
 117 #endif /* USE_QFA */
 118
 119 #if defined(__linux__) || defined(sunos)
 120 char    *__progname;
 121 #endif
 122
 123 static void obsolete __P((int *, char **[]));
 124 static void usage __P((void));
 125 static void use_stdin __P((const char *));
 126
 127 int
 128 main(int argc, char *argv[])
 129 {
 130         int ch;
 131         dump_ino_t ino;
 132         char *inputdev = _PATH_DEFTAPE;
 133         char *symtbl = "./restoresymtable";
 134         char *p, name[MAXPATHLEN];
 135         FILE *filelist = NULL;
 136         char fname[MAXPATHLEN];
 137 #ifdef DEBUG_QFA
 138         time_t tistart, tiend, titaken;
 139 #endif
 140 #ifdef USE_QFA
 141         tapeposflag = 0;
 142         createtapeposflag = 0;
 143 #endif /* USE_QFA */
 144
 145         /* Temp files should *not* be readable.  We set permissions later. */
 146         (void) umask(077);
 147         filesys[0] = '\0';
 148 #if defined(__linux__) || defined(sunos)
 149         __progname = argv[0];
 150 #endif
 151
 152         if (argc < 2)
 153                 usage();
 154
 155         if ((inputdev = getenv("TAPE")) == NULL)
 156                 inputdev = _PATH_DEFTAPE;
 157         if ((tmpdir = getenv("TMPDIR")) == NULL)
 158                 tmpdir = _PATH_TMP;
 159         if ((tmpdir = strdup(tmpdir)) == NULL)
 160                 err(1, "malloc tmpdir");
 161         for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
 162                 ;
 163         obsolete(&argc, &argv);
 164         while ((ch = getopt(argc, argv,
 165                 "aA:b:CcdD:f:F:hi"
 166 #ifdef KERBEROS
 167                 "k"
 168 #endif
 169                 "lL:mMNo"
 170 #ifdef USE_QFA
 171                 "P:Q:"
 172 #endif
 173                 "Rrs:tT:uvVxX:y")) != -1)
 174                 switch(ch) {
 175                 case 'a':
 176                         aflag = 1;
 177                         break;
 178                 case 'A':
 179                         Afile = optarg;
 180                         aflag = 1;
 181                         break;
 182                 case 'b':
 183                         /* Change default tape blocksize. */
 184                         bflag = 1;
 185                         ntrec = strtol(optarg, &p, 10);
 186                         if (*p)
 187                                 errx(1, "illegal blocksize -- %s", optarg);
 188                         if (ntrec <= 0)
 189                                 errx(1, "block size must be greater than 0");
 190                         break;
 191                 case 'c':
 192                         cvtflag = 1;
 193                         break;
 194                 case 'D':
 195                         strncpy(filesys, optarg, NAMELEN);
 196                         filesys[NAMELEN - 1] = '\0';
 197                         break;
 198                 case 'T':
 199                         tmpdir = optarg;
 200                         break;
 201                 case 'd':
 202                         dflag = 1;
 203                         break;
 204                 case 'f':
 205                         if( !strcmp(optarg,"-") )
 206                                 use_stdin("-f");
 207                         inputdev = optarg;
 208                         break;
 209                 case 'F':
 210                         bot_script = optarg;
 211                         break;
 212                 case 'h':
 213                         hflag = 0;
 214                         break;
 215 #ifdef KERBEROS
 216                 case 'k':
 217                         dokerberos = 1;
 218                         break;
 219 #endif
 220                 case 'C':
 221                 case 'i':
 222 #ifdef USE_QFA
 223                 case 'P':
 224 #endif
 225                 case 'R':
 226                 case 'r':
 227                 case 't':
 228                 case 'x':
 229                         if (command != '\0')
 230                                 errx(1,
 231                                     "%c and %c options are mutually exclusive",
 232                                     ch, command);
 233                         command = ch;
 234 #ifdef USE_QFA
 235                         if (ch == 'P') {
 236                                 gTapeposfile = optarg;
 237                                 createtapeposflag = 1;
 238                         }
 239 #endif
 240
 241                         break;
 242                 case 'l':
 243                         lflag = 1;
 244                         break;
 245                 case 'L':
 246                         Lflag = strtol(optarg, &p, 10);
 247                         if (*p)
 248                                 errx(1, "illegal limit -- %s", optarg);
 249                         if (Lflag < 0)
 250                                 errx(1, "limit must be greater than 0");
 251                         break;
 252                 case 'm':
 253                         mflag = 0;
 254                         break;
 255                 case 'M':
 256                         Mflag = 1;
 257                         break;
 258                 case 'N':
 259                         Nflag = 1;
 260                         break;
 261                 case 'o':
 262                         oflag = 1;
 263                         break;
 264 #ifdef USE_QFA
 265                 case 'Q':
 266                         gTapeposfile = optarg;
 267                         tapeposflag = 1;
 268                         aflag = 1;
 269                         break;
 270 #endif
 271                 case 's':
 272                         /* Dumpnum (skip to) for multifile dump tapes. */
 273                         dumpnum = strtol(optarg, &p, 10);
 274                         if (*p)
 275                                 errx(1, "illegal dump number -- %s", optarg);
 276                         if (dumpnum <= 0)
 277                                 errx(1, "dump number must be greater than 0");
 278                         break;
 279                 case 'u':
 280                         uflag = 1;
 281                         break;
 282                 case 'v':
 283                         vflag = 1;
 284                         break;
 285                 case 'V':
 286                         Vflag = 1;
 287                         break;
 288                 case 'X':
 289                         if( !strcmp(optarg,"-") ) {
 290                                 use_stdin("-X");
 291                                 filelist = stdin;
 292                         }
 293                         else
 294                                 if ( !(filelist = fopen(optarg,"r")) )
 295                                         errx(1, "can't open file for reading -- %s", optarg);
 296                         break;
 297                 case 'y':
 298                         yflag = 1;
 299                         break;
 300                 default:
 301                         usage();
 302                 }
 303         argc -= optind;
 304         argv += optind;
 305
 306         if (command == '\0')
 307                 errx(1, "none of C, i, R, r, t or x options specified");
 308
 309 #ifdef USE_QFA
 310         if (!mflag && tapeposflag)
 311                 errx(1, "m and Q options are mutually exclusive");
 312
 313         if (tapeposflag && command != 'i' && command != 'x' && command != 't')
 314                 errx(1, "Q option is not valid for %c command", command);
 315 #endif
 316
 317         if (Afile && command != 'i' && command != 'x' && command != 't')
 318                 errx(1, "A option is not valid for %c command", command);
 319
 320         if (signal(SIGINT, onintr) == SIG_IGN)
 321                 (void) signal(SIGINT, SIG_IGN);
 322         if (signal(SIGTERM, onintr) == SIG_IGN)
 323                 (void) signal(SIGTERM, SIG_IGN);
 324         setlinebuf(stderr);
 325
 326         atexit(cleanup);
 327
 328         if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
 329 #ifdef RRESTORE
 330             && !strchr(inputdev, ':')
 331 #endif
 332           ) {
 333                 /* since we chdir into the directory we are comparing
 334                  * to, we must retain the full tape path */
 335                 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
 336                 if (!getcwd(wd, MAXPATHLEN))
 337                         err(1, "can't get current directory");
 338                 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
 339                 fullpathinput[MAXPATHLEN - 1] = '\0';
 340                 setinput(fullpathinput);
 341         }
 342         else
 343                 setinput(inputdev);
 344
 345         if (argc == 0 && !filelist) {
 346                 argc = 1;
 347                 *--argv = ".";
 348         }
 349
 350 #ifdef USE_QFA
 351         if (tapeposflag) {
 352                 msg("reading QFA positions from %s\n", gTapeposfile);
 353                 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
 354                         errx(1, "can't open file for reading -- %s",
 355                                 gTapeposfile);
 356                 /* start reading header info */
 357                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 358                         errx(1, "not requested format of -- %s", gTapeposfile);
 359                 gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
 360                 if (strcmp(gTps, QFA_MAGIC) != 0)
 361                         errx(1, "not requested format of -- %s", gTapeposfile);
 362                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 363                         errx(1, "not requested format of -- %s", gTapeposfile);
 364                 gTps[strlen(gTps) - 1] = 0;
 365                 if (strcmp(gTps, QFA_VERSION) != 0)
 366                         errx(1, "not requested format of -- %s", gTapeposfile);
 367                 /* read dumpdate */
 368                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 369                         errx(1, "not requested format of -- %s", gTapeposfile);
 370                 gTps[strlen(gTps) - 1] = 0;
 371                 qfadumpdate = atol(gTps);
 372                 /* read empty line */
 373                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 374                         errx(1, "not requested format of -- %s", gTapeposfile);
 375                 gTps[strlen(gTps) - 1] = 0;
 376                 /* read table header line */
 377                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 378                         errx(1, "not requested format of -- %s", gTapeposfile);
 379                 gTps[strlen(gTps) - 1] = 0;
 380                 /* end reading header info */
 381                 /* tape position table starts here */
 382                 gSeekstart = ftell(gTapeposfp); /* remember for later use */
 383         }
 384 #endif /* USE_QFA */
 385
 386         switch (command) {
 387         /*
 388          * Compare contents of tape.
 389          */
 390         case 'C': {
 391                 struct STAT stbuf;
 392
 393                 Vprintf(stdout, "Begin compare restore\n");
 394                 compare_ignore_not_found = 0;
 395                 compare_errors = 0;
 396                 setup();
 397                 printf("filesys = %s\n", filesys);
 398                 if (STAT(filesys, &stbuf) < 0)
 399                         err(1, "cannot stat directory %s", filesys);
 400                 if (chdir(filesys) < 0)
 401                         err(1, "cannot cd to %s", filesys);
 402                 compare_ignore_not_found = dumptime > 0;
 403                 initsymtable((char *)0);
 404                 extractdirs(0);
 405                 treescan(".", ROOTINO, nodeupdates);
 406                 compareleaves();
 407                 checkrestore();
 408                 if (compare_errors) {
 409                         printf("Some files were modified!\n");
 410                         exit(2);
 411                 }
 412                 break;
 413         }
 414
 415         /*
 416          * Interactive mode.
 417          */
 418         case 'i':
 419                 setup();
 420                 extractdirs(1);
 421                 initsymtable(NULL);
 422                 runcmdshell();
 423                 break;
 424         /*
 425          * Incremental restoration of a file system.
 426          */
 427         case 'r':
 428                 aflag = 1;      /* in -r or -R mode, -a is default */
 429                 setup();
 430                 if (dumptime > 0) {
 431                         /*
 432                          * This is an incremental dump tape.
 433                          */
 434                         Vprintf(stdout, "Begin incremental restore\n");
 435                         initsymtable(symtbl);
 436                         extractdirs(1);
 437                         removeoldleaves();
 438                         Vprintf(stdout, "Calculate node updates.\n");
 439                         treescan(".", ROOTINO, nodeupdates);
 440                         findunreflinks();
 441                         removeoldnodes();
 442                 } else {
 443                         /*
 444                          * This is a level zero dump tape.
 445                          */
 446                         Vprintf(stdout, "Begin level 0 restore\n");
 447                         initsymtable((char *)0);
 448                         extractdirs(1);
 449                         Vprintf(stdout, "Calculate extraction list.\n");
 450                         treescan(".", ROOTINO, nodeupdates);
 451                 }
 452                 createleaves(symtbl);
 453                 createlinks();
 454                 setdirmodes(FORCE);
 455                 checkrestore();
 456                 if (dflag) {
 457                         Vprintf(stdout, "Verify the directory structure\n");
 458                         treescan(".", ROOTINO, verifyfile);
 459                 }
 460                 dumpsymtable(symtbl, (long)1);
 461                 break;
 462         /*
 463          * Resume an incremental file system restoration.
 464          */
 465         case 'R':
 466                 aflag = 1;      /* in -r or -R mode, -a is default */
 467                 initsymtable(symtbl);
 468                 skipmaps();
 469                 skipdirs();
 470                 createleaves(symtbl);
 471                 createlinks();
 472                 setdirmodes(FORCE);
 473                 checkrestore();
 474                 dumpsymtable(symtbl, (long)1);
 475                 break;
 476
 477 /* handle file names from either text file (-X) or the command line */
 478 #define NEXTFILE(p) \
 479         p = NULL; \
 480         if (argc) { \
 481                 --argc; \
 482                 p = *argv++; \
 483         } \
 484         else if (filelist) { \
 485                 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
 486                         if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
 487                                 *(p + strlen(p) - 1) = '\0'; \
 488                         if ( !*p ) /* skip empty lines */ \
 489                                 continue; \
 490                         } \
 491         }
 492
 493         /*
 494          * List contents of tape.
 495          */
 496         case 't':
 497                 setup();
 498                 extractdirs(0);
 499                 initsymtable((char *)0);
 500                 printvolinfo();
 501                 for (;;) {
 502                         NEXTFILE(p);
 503                         if (!p)
 504                                 break;
 505                         canon(p, name, sizeof(name));
 506                         ino = dirlookup(name);
 507                         if (ino == 0)
 508                                 continue;
 509                         treescan(name, ino, listfile);
 510                 }
 511                 break;
 512         /*
 513          * Batch extraction of tape contents.
 514          */
 515         case 'x':
 516 #ifdef DEBUG_QFA
 517                 tistart = time(NULL);
 518 #endif
 519                 setup();
 520                 extractdirs(1);
 521                 initsymtable((char *)0);
 522                 for (;;) {
 523                         NEXTFILE(p);
 524                         if (!p)
 525                                 break;
 526                         canon(p, name, sizeof(name));
 527                         ino = dirlookup(name);
 528                         if (ino == 0)
 529                                 continue;
 530                         if (mflag)
 531                                 pathcheck(name);
 532                         treescan(name, ino, addfile);
 533                 }
 534                 createfiles();
 535                 createlinks();
 536                 setdirmodes(oflag ? FORCE : 0);
 537                 if (dflag)
 538                         checkrestore();
 539 #ifdef DEBUG_QFA
 540                 tiend = time(NULL);
 541                 titaken = tiend - tistart;
 542                 msg("restore took %d:%02d:%02d\n", titaken / 3600,
 543                         (titaken % 3600) / 60, titaken % 60);
 544 #endif /* DEBUG_QFA */
 545                 break;
 546 #ifdef USE_QFA
 547         case 'P':
 548 #ifdef DEBUG_QFA
 549                 tistart = time(NULL);
 550 #endif
 551                 setup();
 552                 msg("writing QFA positions to %s\n", gTapeposfile);
 553                 if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR)) < 0)
 554                         errx(1, "can't create tapeposfile\n");
 555                 /* print QFA-file header */
 556                 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION,(unsigned long)spcl.c_date);
 557                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 558                         errx(1, "can't write tapeposfile\n");
 559                 sprintf(gTps, "ino\ttapeno\ttapepos\n");
 560                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 561                         errx(1, "can't write tapeposfile\n");
 562
 563                 extractdirs(1);
 564                 initsymtable((char *)0);
 565                 for (;;) {
 566                         NEXTFILE(p);
 567                         if (!p)
 568                                 break;
 569                         canon(p, name, sizeof(name));
 570                         ino = dirlookup(name);
 571                         if (ino == 0)
 572                                 continue;
 573                         if (mflag)
 574                                 pathcheck(name);
 575                         treescan(name, ino, addfile);
 576                 }
 577                 createfiles();
 578 #ifdef DEBUG_QFA
 579                 tiend = time(NULL);
 580                 titaken = tiend - tistart;
 581                 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
 582                         (titaken % 3600) / 60, titaken % 60);
 583 #endif /* DEBUG_QFA */
 584                 break;
 585 #endif /* USE_QFA */
 586         }
 587         exit(0);
 588         /* NOTREACHED */
 589         return 0;       /* gcc shut up */
 590 }
 591
 592 static void
 593 usage(void)
 594 {
 595         char white[MAXPATHLEN];
 596         const char *ext2ver, *ext2date;
 597
 598         memset(white, ' ', MAXPATHLEN);
 599         white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
 600
 601 #ifdef __linux__
 602         ext2fs_get_library_version(&ext2ver, &ext2date);
 603         (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
 604                       __progname, _DUMP_VERSION, ext2ver, ext2date);
 605 #else
 606         (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
 607 #endif
 608
 609 #ifdef KERBEROS
 610 #define kerbflag "k"
 611 #else
 612 #define kerbflag
 613 #endif
 614
 615 #ifdef USE_QFA
 616 #define qfaflag "[-Q file] "
 617 #else
 618 #define qfaflag
 619 #endif
 620
 621         fprintf(stderr,
 622                 "usage:"
 623                 "\t%s -C [-cd" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
 624                 "\t%s    [-F script] [-L limit] [-s fileno]\n"
 625                 "\t%s -i [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 626                 "\t%s    [-F script] " qfaflag "[-s fileno]\n"
 627 #ifdef USE_QFA
 628                 "\t%s -P file [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
 629                 "\t%s    [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
 630 #endif
 631                 "\t%s -r [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 632                 "\t%s    [-s fileno] [-T directory]\n"
 633                 "\t%s -R [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 634                 "\t%s    [-s fileno] [-T directory]\n"
 635                 "\t%s -t [-cdh" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
 636                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
 637                 "\t%s -x [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 638                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
 639                 __progname, white,
 640                 __progname, white,
 641 #ifdef USE_QFA
 642                 __progname, white,
 643 #endif
 644                 __progname, white,
 645                 __progname, white,
 646                 __progname, white,
 647                 __progname, white);
 648         exit(1);
 649 }
 650
 651 /*
 652  * obsolete --
 653  *      Change set of key letters and ordered arguments into something
 654  *      getopt(3) will like.
 655  */
 656 static void
 657 obsolete(int *argcp, char **argvp[])
 658 {
 659         int argc, flags;
 660         char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
 661
 662         /* Setup. */
 663         argv = *argvp;
 664         argc = *argcp;
 665
 666         /* Return if no arguments or first argument has leading dash. */
 667         ap = argv[1];
 668         if (argc == 1 || *ap == '-')
 669                 return;
 670
 671         /* Allocate space for new arguments. */
 672         if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
 673             (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
 674                 err(1, "malloc args");
 675
 676         *nargv++ = *argv;
 677         argv += 2, argc -= 2;
 678
 679         for (flags = 0; *ap; ++ap) {
 680                 switch (*ap) {
 681                 case 'A':
 682                 case 'b':
 683                 case 'D':
 684                 case 'f':
 685                 case 'F':
 686                 case 'L':
 687                 case 'Q':
 688                 case 's':
 689                 case 'T':
 690                 case 'X':
 691                         if (*argv == NULL) {
 692                                 warnx("option requires an argument -- %c", *ap);
 693                                 usage();
 694                         }
 695                         if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
 696                                 err(1, "malloc arg");
 697                         nargv[0][0] = '-';
 698                         nargv[0][1] = *ap;
 699                         (void)strcpy(&nargv[0][2], *argv);
 700                         ++argv;
 701                         ++nargv;
 702                         break;
 703                 default:
 704                         if (!flags) {
 705                                 *p++ = '-';
 706                                 flags = 1;
 707                         }
 708                         *p++ = *ap;
 709                         break;
 710                 }
 711         }
 712
 713         /* Terminate flags. */
 714         if (flags) {
 715                 *p = '\0';
 716                 *nargv++ = flagsp;
 717         }
 718
 719         /* Copy remaining arguments. */
 720         while ((*nargv++ = *argv++));
 721
 722         /* Update argument count. */
 723         *argcp = nargv - *argvp - 1;
 724 }
 725
 726 /*
 727  * use_stdin --
 728  *      reserve stdin for opt (avoid conflicts)
 729  */
 730 void
 731 use_stdin(const char *opt)
 732 {
 733         if (stdin_opt)
 734                 errx(1, "can't handle standard input for both %s and %s",
 735                         stdin_opt, opt);
 736         stdin_opt = opt;
 737 }