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 1.39 2002/06/05 13:29:15 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;
  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:mMN"
 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 #ifdef USE_QFA
 262                 case 'Q':
 263                         gTapeposfile = optarg;
 264                         tapeposflag = 1;
 265                         aflag = 1;
 266                         break;
 267 #endif
 268                 case 's':
 269                         /* Dumpnum (skip to) for multifile dump tapes. */
 270                         dumpnum = strtol(optarg, &p, 10);
 271                         if (*p)
 272                                 errx(1, "illegal dump number -- %s", optarg);
 273                         if (dumpnum <= 0)
 274                                 errx(1, "dump number must be greater than 0");
 275                         break;
 276                 case 'u':
 277                         uflag = 1;
 278                         break;
 279                 case 'v':
 280                         vflag = 1;
 281                         break;
 282                 case 'V':
 283                         Vflag = 1;
 284                         break;
 285                 case 'X':
 286                         if( !strcmp(optarg,"-") ) {
 287                                 use_stdin("-X");
 288                                 filelist = stdin;
 289                         }
 290                         else
 291                                 if ( !(filelist = fopen(optarg,"r")) )
 292                                         errx(1, "can't open file for reading -- %s", optarg);
 293                         break;
 294                 case 'y':
 295                         yflag = 1;
 296                         break;
 297                 default:
 298                         usage();
 299                 }
 300         argc -= optind;
 301         argv += optind;
 302
 303         if (command == '\0')
 304                 errx(1, "none of C, i, R, r, t or x options specified");
 305
 306 #ifdef USE_QFA
 307         if (!mflag && tapeposflag)
 308                 errx(1, "m and Q options are mutually exclusive");
 309
 310         if (tapeposflag && command != 'i' && command != 'x' && command != 't')
 311                 errx(1, "Q option is not valid for %c command", command);
 312 #endif
 313
 314         if (Afile && command != 'i' && command != 'x' && command != 't')
 315                 errx(1, "A option is not valid for %c command", command);
 316
 317         if (signal(SIGINT, onintr) == SIG_IGN)
 318                 (void) signal(SIGINT, SIG_IGN);
 319         if (signal(SIGTERM, onintr) == SIG_IGN)
 320                 (void) signal(SIGTERM, SIG_IGN);
 321         setlinebuf(stderr);
 322
 323         atexit(cleanup);
 324
 325         if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
 326 #ifdef RRESTORE
 327             && !strchr(inputdev, ':')
 328 #endif
 329           ) {
 330                 /* since we chdir into the directory we are comparing
 331                  * to, we must retain the full tape path */
 332                 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
 333                 if (!getcwd(wd, MAXPATHLEN))
 334                         err(1, "can't get current directory");
 335                 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
 336                 fullpathinput[MAXPATHLEN - 1] = '\0';
 337                 setinput(fullpathinput);
 338         }
 339         else
 340                 setinput(inputdev);
 341
 342         if (argc == 0 && !filelist) {
 343                 argc = 1;
 344                 *--argv = ".";
 345         }
 346
 347 #ifdef USE_QFA
 348         if (tapeposflag) {
 349                 msg("reading QFA positions from %s\n", gTapeposfile);
 350                 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
 351                         errx(1, "can't open file for reading -- %s",
 352                                 gTapeposfile);
 353                 /* start reading header info */
 354                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 355                         errx(1, "not requested format of -- %s", gTapeposfile);
 356                 gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
 357                 if (strcmp(gTps, QFA_MAGIC) != 0)
 358                         errx(1, "not requested format of -- %s", gTapeposfile);
 359                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 360                         errx(1, "not requested format of -- %s", gTapeposfile);
 361                 gTps[strlen(gTps) - 1] = 0;
 362                 if (strcmp(gTps, QFA_VERSION) != 0)
 363                         errx(1, "not requested format of -- %s", gTapeposfile);
 364                 /* read dumpdate */
 365                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 366                         errx(1, "not requested format of -- %s", gTapeposfile);
 367                 gTps[strlen(gTps) - 1] = 0;
 368                 qfadumpdate = atol(gTps);
 369                 /* read empty line */
 370                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 371                         errx(1, "not requested format of -- %s", gTapeposfile);
 372                 gTps[strlen(gTps) - 1] = 0;
 373                 /* read table header line */
 374                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 375                         errx(1, "not requested format of -- %s", gTapeposfile);
 376                 gTps[strlen(gTps) - 1] = 0;
 377                 /* end reading header info */
 378                 /* tape position table starts here */
 379                 gSeekstart = ftell(gTapeposfp); /* remember for later use */
 380         }
 381 #endif /* USE_QFA */
 382
 383         switch (command) {
 384         /*
 385          * Compare contents of tape.
 386          */
 387         case 'C': {
 388                 struct STAT stbuf;
 389
 390                 Vprintf(stdout, "Begin compare restore\n");
 391                 compare_ignore_not_found = 0;
 392                 compare_errors = 0;
 393                 setup();
 394                 printf("filesys = %s\n", filesys);
 395                 if (STAT(filesys, &stbuf) < 0)
 396                         err(1, "cannot stat directory %s", filesys);
 397                 if (chdir(filesys) < 0)
 398                         err(1, "cannot cd to %s", filesys);
 399                 compare_ignore_not_found = dumptime > 0;
 400                 initsymtable((char *)0);
 401                 extractdirs(0);
 402                 treescan(".", ROOTINO, nodeupdates);
 403                 compareleaves();
 404                 checkrestore();
 405                 if (compare_errors) {
 406                         printf("Some files were modified!\n");
 407                         exit(2);
 408                 }
 409                 break;
 410         }
 411
 412         /*
 413          * Interactive mode.
 414          */
 415         case 'i':
 416                 setup();
 417                 extractdirs(1);
 418                 initsymtable(NULL);
 419                 runcmdshell();
 420                 break;
 421         /*
 422          * Incremental restoration of a file system.
 423          */
 424         case 'r':
 425                 aflag = 1;      /* in -r or -R mode, -a is default */
 426                 setup();
 427                 if (dumptime > 0) {
 428                         /*
 429                          * This is an incremental dump tape.
 430                          */
 431                         Vprintf(stdout, "Begin incremental restore\n");
 432                         initsymtable(symtbl);
 433                         extractdirs(1);
 434                         removeoldleaves();
 435                         Vprintf(stdout, "Calculate node updates.\n");
 436                         treescan(".", ROOTINO, nodeupdates);
 437                         findunreflinks();
 438                         removeoldnodes();
 439                 } else {
 440                         /*
 441                          * This is a level zero dump tape.
 442                          */
 443                         Vprintf(stdout, "Begin level 0 restore\n");
 444                         initsymtable((char *)0);
 445                         extractdirs(1);
 446                         Vprintf(stdout, "Calculate extraction list.\n");
 447                         treescan(".", ROOTINO, nodeupdates);
 448                 }
 449                 createleaves(symtbl);
 450                 createlinks();
 451                 setdirmodes(FORCE);
 452                 checkrestore();
 453                 if (dflag) {
 454                         Vprintf(stdout, "Verify the directory structure\n");
 455                         treescan(".", ROOTINO, verifyfile);
 456                 }
 457                 dumpsymtable(symtbl, (long)1);
 458                 break;
 459         /*
 460          * Resume an incremental file system restoration.
 461          */
 462         case 'R':
 463                 aflag = 1;      /* in -r or -R mode, -a is default */
 464                 initsymtable(symtbl);
 465                 skipmaps();
 466                 skipdirs();
 467                 createleaves(symtbl);
 468                 createlinks();
 469                 setdirmodes(FORCE);
 470                 checkrestore();
 471                 dumpsymtable(symtbl, (long)1);
 472                 break;
 473
 474 /* handle file names from either text file (-X) or the command line */
 475 #define NEXTFILE(p) \
 476         p = NULL; \
 477         if (argc) { \
 478                 --argc; \
 479                 p = *argv++; \
 480         } \
 481         else if (filelist) { \
 482                 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
 483                         if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
 484                                 *(p + strlen(p) - 1) = '\0'; \
 485                         if ( !*p ) /* skip empty lines */ \
 486                                 continue; \
 487                         } \
 488         }
 489
 490         /*
 491          * List contents of tape.
 492          */
 493         case 't':
 494                 setup();
 495                 extractdirs(0);
 496                 initsymtable((char *)0);
 497                 printvolinfo();
 498                 for (;;) {
 499                         NEXTFILE(p);
 500                         if (!p)
 501                                 break;
 502                         canon(p, name, sizeof(name));
 503                         ino = dirlookup(name);
 504                         if (ino == 0)
 505                                 continue;
 506                         treescan(name, ino, listfile);
 507                 }
 508                 break;
 509         /*
 510          * Batch extraction of tape contents.
 511          */
 512         case 'x':
 513 #ifdef DEBUG_QFA
 514                 tistart = time(NULL);
 515 #endif
 516                 setup();
 517                 extractdirs(1);
 518                 initsymtable((char *)0);
 519                 for (;;) {
 520                         NEXTFILE(p);
 521                         if (!p)
 522                                 break;
 523                         canon(p, name, sizeof(name));
 524                         ino = dirlookup(name);
 525                         if (ino == 0)
 526                                 continue;
 527                         if (mflag)
 528                                 pathcheck(name);
 529                         treescan(name, ino, addfile);
 530                 }
 531                 createfiles();
 532                 createlinks();
 533                 setdirmodes(0);
 534                 if (dflag)
 535                         checkrestore();
 536 #ifdef DEBUG_QFA
 537                 tiend = time(NULL);
 538                 titaken = tiend - tistart;
 539                 msg("restore took %d:%02d:%02d\n", titaken / 3600,
 540                         (titaken % 3600) / 60, titaken % 60);
 541 #endif /* DEBUG_QFA */
 542                 break;
 543 #ifdef USE_QFA
 544         case 'P':
 545 #ifdef DEBUG_QFA
 546                 tistart = time(NULL);
 547 #endif
 548                 setup();
 549                 msg("writing QFA positions to %s\n", gTapeposfile);
 550                 if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR)) < 0)
 551                         errx(1, "can't create tapeposfile\n");
 552                 /* print QFA-file header */
 553                 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION,(unsigned long)spcl.c_date);
 554                 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
 555                         errx(1, "can't write tapeposfile\n");
 556                 sprintf(gTps, "ino\ttapeno\ttapepos\n");
 557                 if (write(gTapeposfd, gTps, strlen(gTps)) != strlen(gTps))
 558                         errx(1, "can't write tapeposfile\n");
 559
 560                 extractdirs(1);
 561                 initsymtable((char *)0);
 562                 for (;;) {
 563                         NEXTFILE(p);
 564                         if (!p)
 565                                 break;
 566                         canon(p, name, sizeof(name));
 567                         ino = dirlookup(name);
 568                         if (ino == 0)
 569                                 continue;
 570                         if (mflag)
 571                                 pathcheck(name);
 572                         treescan(name, ino, addfile);
 573                 }
 574                 createfiles();
 575 #ifdef DEBUG_QFA
 576                 tiend = time(NULL);
 577                 titaken = tiend - tistart;
 578                 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
 579                         (titaken % 3600) / 60, titaken % 60);
 580 #endif /* DEBUG_QFA */
 581                 break;
 582 #endif /* USE_QFA */
 583         }
 584         exit(0);
 585         /* NOTREACHED */
 586         return 0;       /* gcc shut up */
 587 }
 588
 589 static void
 590 usage(void)
 591 {
 592         char white[MAXPATHLEN];
 593         const char *ext2ver, *ext2date;
 594
 595         memset(white, ' ', MAXPATHLEN);
 596         white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
 597
 598 #ifdef __linux__
 599         ext2fs_get_library_version(&ext2ver, &ext2date);
 600         (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
 601                       __progname, _DUMP_VERSION, ext2ver, ext2date);
 602 #else
 603         (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
 604 #endif
 605
 606 #ifdef KERBEROS
 607 #define kerbflag "k"
 608 #else
 609 #define kerbflag
 610 #endif
 611
 612 #ifdef USE_QFA
 613 #define qfaflag "[-Q file] "
 614 #else
 615 #define qfaflag
 616 #endif
 617
 618         fprintf(stderr,
 619                 "usage:"
 620                 "\t%s -C [-cd" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
 621                 "\t%s    [-F script] [-L limit] [-s fileno]\n"
 622                 "\t%s -i [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize] [-f file]\n"
 623                 "\t%s    [-F script] " qfaflag "[-s fileno]\n"
 624 #ifdef USE_QFA
 625                 "\t%s -P file [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
 626                 "\t%s    [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
 627 #endif
 628                 "\t%s -r [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 629                 "\t%s    [-s fileno] [-T directory]\n"
 630                 "\t%s -R [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 631                 "\t%s    [-s fileno] [-T directory]\n"
 632                 "\t%s -t [-cdh" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
 633                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
 634                 "\t%s -x [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize] [-f file]\n"
 635                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
 636                 __progname, white,
 637                 __progname, white,
 638 #ifdef USE_QFA
 639                 __progname, white,
 640 #endif
 641                 __progname, white,
 642                 __progname, white,
 643                 __progname, white,
 644                 __progname, white);
 645         exit(1);
 646 }
 647
 648 /*
 649  * obsolete --
 650  *      Change set of key letters and ordered arguments into something
 651  *      getopt(3) will like.
 652  */
 653 static void
 654 obsolete(int *argcp, char **argvp[])
 655 {
 656         int argc, flags;
 657         char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
 658
 659         /* Setup. */
 660         argv = *argvp;
 661         argc = *argcp;
 662
 663         /* Return if no arguments or first argument has leading dash. */
 664         ap = argv[1];
 665         if (argc == 1 || *ap == '-')
 666                 return;
 667
 668         /* Allocate space for new arguments. */
 669         if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
 670             (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
 671                 err(1, "malloc args");
 672
 673         *nargv++ = *argv;
 674         argv += 2, argc -= 2;
 675
 676         for (flags = 0; *ap; ++ap) {
 677                 switch (*ap) {
 678                 case 'A':
 679                 case 'b':
 680                 case 'D':
 681                 case 'f':
 682                 case 'F':
 683                 case 'L':
 684                 case 'Q':
 685                 case 's':
 686                 case 'T':
 687                 case 'X':
 688                         if (*argv == NULL) {
 689                                 warnx("option requires an argument -- %c", *ap);
 690                                 usage();
 691                         }
 692                         if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
 693                                 err(1, "malloc arg");
 694                         nargv[0][0] = '-';
 695                         nargv[0][1] = *ap;
 696                         (void)strcpy(&nargv[0][2], *argv);
 697                         ++argv;
 698                         ++nargv;
 699                         break;
 700                 default:
 701                         if (!flags) {
 702                                 *p++ = '-';
 703                                 flags = 1;
 704                         }
 705                         *p++ = *ap;
 706                         break;
 707                 }
 708         }
 709
 710         /* Terminate flags. */
 711         if (flags) {
 712                 *p = '\0';
 713                 *nargv++ = flagsp;
 714         }
 715
 716         /* Copy remaining arguments. */
 717         while ((*nargv++ = *argv++));
 718
 719         /* Update argument count. */
 720         *argcp = nargv - *argvp - 1;
 721 }
 722
 723 /*
 724  * use_stdin --
 725  *      reserve stdin for opt (avoid conflicts)
 726  */
 727 void
 728 use_stdin(const char *opt)
 729 {
 730         if (stdin_opt)
 731                 errx(1, "can't handle standard input for both %s and %s",
 732                         stdin_opt, opt);
 733         stdin_opt = opt;
 734 }