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 1.43 2003/03/26 10:58:22 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 = NULL;
  94 char    *usedinomap = NULL;
  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 #define FORCED_UMASK (077)
 128
 129 int
 130 main(int argc, char *argv[])
 131 {
 132         int ch;
 133         dump_ino_t ino;
 134         char *inputdev = _PATH_DEFTAPE;
 135         char *symtbl = "./restoresymtable";
 136         char *p, name[MAXPATHLEN];
 137         FILE *filelist = NULL;
 138         char fname[MAXPATHLEN];
 139         mode_t orig_umask;
 140 #ifdef DEBUG_QFA
 141         time_t tistart, tiend, titaken;
 142 #endif
 143 #ifdef USE_QFA
 144         tapeposflag = 0;
 145         createtapeposflag = 0;
 146 #endif /* USE_QFA */
 147
 148         /* Temp files should *not* be readable.  We set permissions later. */
 149         orig_umask = umask(FORCED_UMASK);
 150         filesys[0] = '\0';
 151 #if defined(__linux__) || defined(sunos)
 152         __progname = argv[0];
 153 #endif
 154
 155         if (argc < 2)
 156                 usage();
 157
 158         if ((inputdev = getenv("TAPE")) == NULL)
 159                 inputdev = _PATH_DEFTAPE;
 160         if ((tmpdir = getenv("TMPDIR")) == NULL)
 161                 tmpdir = _PATH_TMP;
 162         if ((tmpdir = strdup(tmpdir)) == NULL)
 163                 err(1, "malloc tmpdir");
 164         for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--)
 165                 ;
 166         obsolete(&argc, &argv);
 167         while ((ch = getopt(argc, argv,
 168                 "aA:b:CcdD:f:F:hi"
 169 #ifdef KERBEROS
 170                 "k"
 171 #endif
 172                 "lL:mMNo"
 173 #ifdef USE_QFA
 174                 "P:Q:"
 175 #endif
 176                 "Rrs:tT:uvVxX:y")) != -1)
 177                 switch(ch) {
 178                 case 'a':
 179                         aflag = 1;
 180                         break;
 181                 case 'A':
 182                         Afile = optarg;
 183                         aflag = 1;
 184                         break;
 185                 case 'b':
 186                         /* Change default tape blocksize. */
 187                         bflag = 1;
 188                         ntrec = strtol(optarg, &p, 10);
 189                         if (*p)
 190                                 errx(1, "illegal blocksize -- %s", optarg);
 191                         if (ntrec <= 0)
 192                                 errx(1, "block size must be greater than 0");
 193                         break;
 194                 case 'c':
 195                         cvtflag = 1;
 196                         break;
 197                 case 'D':
 198                         strncpy(filesys, optarg, NAMELEN);
 199                         filesys[NAMELEN - 1] = '\0';
 200                         break;
 201                 case 'T':
 202                         tmpdir = optarg;
 203                         break;
 204                 case 'd':
 205                         dflag = 1;
 206                         break;
 207                 case 'f':
 208                         if( !strcmp(optarg,"-") )
 209                                 use_stdin("-f");
 210                         inputdev = optarg;
 211                         break;
 212                 case 'F':
 213                         bot_script = optarg;
 214                         break;
 215                 case 'h':
 216                         hflag = 0;
 217                         break;
 218 #ifdef KERBEROS
 219                 case 'k':
 220                         dokerberos = 1;
 221                         break;
 222 #endif
 223                 case 'C':
 224                 case 'i':
 225 #ifdef USE_QFA
 226                 case 'P':
 227 #endif
 228                 case 'R':
 229                 case 'r':
 230                 case 't':
 231                 case 'x':
 232                         if (command != '\0')
 233                                 errx(1,
 234                                     "%c and %c options are mutually exclusive",
 235                                     ch, command);
 236                         command = ch;
 237 #ifdef USE_QFA
 238                         if (ch == 'P') {
 239                                 gTapeposfile = optarg;
 240                                 createtapeposflag = 1;
 241                         }
 242 #endif
 243
 244                         break;
 245                 case 'l':
 246                         lflag = 1;
 247                         break;
 248                 case 'L':
 249                         Lflag = strtol(optarg, &p, 10);
 250                         if (*p)
 251                                 errx(1, "illegal limit -- %s", optarg);
 252                         if (Lflag < 0)
 253                                 errx(1, "limit must be greater than 0");
 254                         break;
 255                 case 'm':
 256                         mflag = 0;
 257                         break;
 258                 case 'M':
 259                         Mflag = 1;
 260                         break;
 261                 case 'N':
 262                         Nflag = 1;
 263                         break;
 264                 case 'o':
 265                         oflag = 1;
 266                         break;
 267 #ifdef USE_QFA
 268                 case 'Q':
 269                         gTapeposfile = optarg;
 270                         tapeposflag = 1;
 271                         aflag = 1;
 272                         break;
 273 #endif
 274                 case 's':
 275                         /* Dumpnum (skip to) for multifile dump tapes. */
 276                         dumpnum = strtol(optarg, &p, 10);
 277                         if (*p)
 278                                 errx(1, "illegal dump number -- %s", optarg);
 279                         if (dumpnum <= 0)
 280                                 errx(1, "dump number must be greater than 0");
 281                         break;
 282                 case 'u':
 283                         uflag = 1;
 284                         break;
 285                 case 'v':
 286                         vflag = 1;
 287                         break;
 288                 case 'V':
 289                         Vflag = 1;
 290                         break;
 291                 case 'X':
 292                         if( !strcmp(optarg,"-") ) {
 293                                 use_stdin("-X");
 294                                 filelist = stdin;
 295                         }
 296                         else
 297                                 if ( !(filelist = fopen(optarg,"r")) )
 298                                         errx(1, "can't open file for reading -- %s", optarg);
 299                         break;
 300                 case 'y':
 301                         yflag = 1;
 302                         break;
 303                 default:
 304                         usage();
 305                 }
 306         argc -= optind;
 307         argv += optind;
 308
 309         if (command == '\0')
 310                 errx(1, "none of C, i, R, r, t or x options specified");
 311
 312 #ifdef USE_QFA
 313         if (!mflag && tapeposflag)
 314                 errx(1, "m and Q options are mutually exclusive");
 315
 316         if (tapeposflag && command != 'i' && command != 'x' && command != 't')
 317                 errx(1, "Q option is not valid for %c command", command);
 318 #endif
 319
 320         if (Afile && command != 'i' && command != 'x' && command != 't')
 321                 errx(1, "A option is not valid for %c command", command);
 322
 323         if (signal(SIGINT, onintr) == SIG_IGN)
 324                 (void) signal(SIGINT, SIG_IGN);
 325         if (signal(SIGTERM, onintr) == SIG_IGN)
 326                 (void) signal(SIGTERM, SIG_IGN);
 327         setlinebuf(stderr);
 328
 329         atexit(cleanup);
 330
 331         if (command == 'C' && inputdev[0] != '/' && strcmp(inputdev, "-")
 332 #ifdef RRESTORE
 333             && !strchr(inputdev, ':')
 334 #endif
 335           ) {
 336                 /* since we chdir into the directory we are comparing
 337                  * to, we must retain the full tape path */
 338                 char wd[MAXPATHLEN], fullpathinput[MAXPATHLEN];
 339                 if (!getcwd(wd, MAXPATHLEN))
 340                         err(1, "can't get current directory");
 341                 snprintf(fullpathinput, MAXPATHLEN, "%s/%s", wd, inputdev);
 342                 fullpathinput[MAXPATHLEN - 1] = '\0';
 343                 setinput(fullpathinput);
 344         }
 345         else
 346                 setinput(inputdev);
 347
 348         if (argc == 0 && !filelist) {
 349                 argc = 1;
 350                 *--argv = ".";
 351         }
 352
 353 #ifdef USE_QFA
 354         if (tapeposflag) {
 355                 msg("reading QFA positions from %s\n", gTapeposfile);
 356                 if ((gTapeposfp = fopen(gTapeposfile, "r")) == NULL)
 357                         errx(1, "can't open file for reading -- %s",
 358                                 gTapeposfile);
 359                 /* start reading header info */
 360                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 361                         errx(1, "not requested format of -- %s", gTapeposfile);
 362                 gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
 363                 if (strcmp(gTps, QFA_MAGIC) != 0)
 364                         errx(1, "not requested format of -- %s", gTapeposfile);
 365                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 366                         errx(1, "not requested format of -- %s", gTapeposfile);
 367                 gTps[strlen(gTps) - 1] = 0;
 368                 if (strcmp(gTps, QFA_VERSION) != 0)
 369                         errx(1, "not requested format of -- %s", gTapeposfile);
 370                 /* read dumpdate */
 371                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 372                         errx(1, "not requested format of -- %s", gTapeposfile);
 373                 gTps[strlen(gTps) - 1] = 0;
 374                 qfadumpdate = atol(gTps);
 375                 /* read empty 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                 /* read table header line */
 380                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL)
 381                         errx(1, "not requested format of -- %s", gTapeposfile);
 382                 gTps[strlen(gTps) - 1] = 0;
 383                 /* end reading header info */
 384                 /* tape position table starts here */
 385                 gSeekstart = ftell(gTapeposfp); /* remember for later use */
 386         }
 387 #endif /* USE_QFA */
 388
 389         switch (command) {
 390         /*
 391          * Compare contents of tape.
 392          */
 393         case 'C': {
 394                 struct STAT stbuf;
 395
 396                 Vprintf(stdout, "Begin compare restore\n");
 397                 compare_ignore_not_found = 0;
 398                 compare_errors = 0;
 399                 setup();
 400                 printf("filesys = %s\n", filesys);
 401                 if (STAT(filesys, &stbuf) < 0)
 402                         err(1, "cannot stat directory %s", filesys);
 403                 if (chdir(filesys) < 0)
 404                         err(1, "cannot cd to %s", filesys);
 405                 compare_ignore_not_found = dumptime > 0;
 406                 initsymtable((char *)0);
 407                 extractdirs(0);
 408                 treescan(".", ROOTINO, nodeupdates);
 409                 compareleaves();
 410                 checkrestore();
 411                 if (compare_errors) {
 412                         printf("Some files were modified!\n");
 413                         exit(2);
 414                 }
 415                 break;
 416         }
 417
 418         /*
 419          * Interactive mode.
 420          */
 421         case 'i':
 422                 setup();
 423                 extractdirs(1);
 424                 initsymtable(NULL);
 425                 runcmdshell();
 426                 break;
 427         /*
 428          * Incremental restoration of a file system.
 429          */
 430         case 'r':
 431                 aflag = 1;      /* in -r or -R mode, -a is default */
 432                 setup();
 433                 if (dumptime > 0) {
 434                         /*
 435                          * This is an incremental dump tape.
 436                          */
 437                         Vprintf(stdout, "Begin incremental restore\n");
 438                         initsymtable(symtbl);
 439                         extractdirs(1);
 440                         removeoldleaves();
 441                         Vprintf(stdout, "Calculate node updates.\n");
 442                         treescan(".", ROOTINO, nodeupdates);
 443                         findunreflinks();
 444                         removeoldnodes();
 445                 } else {
 446                         /*
 447                          * This is a level zero dump tape.
 448                          */
 449                         Vprintf(stdout, "Begin level 0 restore\n");
 450                         initsymtable((char *)0);
 451                         extractdirs(1);
 452                         Vprintf(stdout, "Calculate extraction list.\n");
 453                         treescan(".", ROOTINO, nodeupdates);
 454                 }
 455                 createleaves(symtbl);
 456                 createlinks();
 457                 setdirmodes(FORCE);
 458                 checkrestore();
 459                 if (dflag) {
 460                         Vprintf(stdout, "Verify the directory structure\n");
 461                         treescan(".", ROOTINO, verifyfile);
 462                 }
 463                 dumpsymtable(symtbl, (long)1);
 464                 break;
 465         /*
 466          * Resume an incremental file system restoration.
 467          */
 468         case 'R':
 469                 aflag = 1;      /* in -r or -R mode, -a is default */
 470                 initsymtable(symtbl);
 471                 skipmaps();
 472                 skipdirs();
 473                 createleaves(symtbl);
 474                 createlinks();
 475                 setdirmodes(FORCE);
 476                 checkrestore();
 477                 dumpsymtable(symtbl, (long)1);
 478                 break;
 479
 480 /* handle file names from either text file (-X) or the command line */
 481 #define NEXTFILE(p) \
 482         p = NULL; \
 483         if (argc) { \
 484                 --argc; \
 485                 p = *argv++; \
 486         } \
 487         else if (filelist) { \
 488                 if ((p = fgets(fname, MAXPATHLEN, filelist))) { \
 489                         if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */ \
 490                                 *(p + strlen(p) - 1) = '\0'; \
 491                         if ( !*p ) /* skip empty lines */ \
 492                                 continue; \
 493                         } \
 494         }
 495
 496         /*
 497          * List contents of tape.
 498          */
 499         case 't':
 500                 setup();
 501                 extractdirs(0);
 502                 initsymtable((char *)0);
 503                 printvolinfo();
 504                 for (;;) {
 505                         NEXTFILE(p);
 506                         if (!p)
 507                                 break;
 508                         canon(p, name, sizeof(name));
 509                         ino = dirlookup(name);
 510                         if (ino == 0)
 511                                 continue;
 512                         treescan(name, ino, listfile);
 513                 }
 514                 break;
 515         /*
 516          * Batch extraction of tape contents.
 517          */
 518         case 'x':
 519 #ifdef DEBUG_QFA
 520                 tistart = time(NULL);
 521 #endif
 522                 setup();
 523                 extractdirs(1);
 524                 initsymtable((char *)0);
 525                 for (;;) {
 526                         NEXTFILE(p);
 527                         if (!p)
 528                                 break;
 529                         canon(p, name, sizeof(name));
 530                         ino = dirlookup(name);
 531                         if (ino == 0)
 532                                 continue;
 533                         if (mflag)
 534                                 pathcheck(name);
 535                         treescan(name, ino, addfile);
 536                 }
 537                 createfiles();
 538                 createlinks();
 539                 setdirmodes(oflag ? FORCE : 0);
 540                 if (dflag)
 541                         checkrestore();
 542 #ifdef DEBUG_QFA
 543                 tiend = time(NULL);
 544                 titaken = tiend - tistart;
 545                 msg("restore took %d:%02d:%02d\n", titaken / 3600,
 546                         (titaken % 3600) / 60, titaken % 60);
 547 #endif /* DEBUG_QFA */
 548                 break;
 549 #ifdef USE_QFA
 550         case 'P':
 551 #ifdef DEBUG_QFA
 552                 tistart = time(NULL);
 553 #endif
 554                 setup();
 555                 msg("writing QFA positions to %s\n", gTapeposfile);
 556                 (void) umask(orig_umask);
 557                 if ((gTapeposfd = open(gTapeposfile, O_WRONLY|O_CREAT|O_TRUNC,
 558                                        S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP
 559                                        |S_IROTH|S_IWOTH)) < 0)
 560                         errx(1, "can't create tapeposfile\n");
 561                 (void) umask(FORCED_UMASK);
 562                 /* print QFA-file header */
 563                 sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION,(unsigned long)spcl.c_date);
 564                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 565                         errx(1, "can't write tapeposfile\n");
 566                 sprintf(gTps, "ino\ttapeno\ttapepos\n");
 567                 if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
 568                         errx(1, "can't write tapeposfile\n");
 569
 570                 extractdirs(1);
 571                 initsymtable((char *)0);
 572                 for (;;) {
 573                         NEXTFILE(p);
 574                         if (!p)
 575                                 break;
 576                         canon(p, name, sizeof(name));
 577                         ino = dirlookup(name);
 578                         if (ino == 0)
 579                                 continue;
 580                         if (mflag)
 581                                 pathcheck(name);
 582                         treescan(name, ino, addfile);
 583                 }
 584                 createfiles();
 585 #ifdef DEBUG_QFA
 586                 tiend = time(NULL);
 587                 titaken = tiend - tistart;
 588                 msg("writing QFA positions took %d:%02d:%02d\n", titaken / 3600,
 589                         (titaken % 3600) / 60, titaken % 60);
 590 #endif /* DEBUG_QFA */
 591                 break;
 592 #endif /* USE_QFA */
 593         }
 594         exit(0);
 595         /* NOTREACHED */
 596         return 0;       /* gcc shut up */
 597 }
 598
 599 static void
 600 usage(void)
 601 {
 602         char white[MAXPATHLEN];
 603         const char *ext2ver, *ext2date;
 604
 605         memset(white, ' ', MAXPATHLEN);
 606         white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
 607
 608 #ifdef __linux__
 609         ext2fs_get_library_version(&ext2ver, &ext2date);
 610         (void)fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
 611                       __progname, _DUMP_VERSION, ext2ver, ext2date);
 612 #else
 613         (void)fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
 614 #endif
 615
 616 #ifdef KERBEROS
 617 #define kerbflag "k"
 618 #else
 619 #define kerbflag
 620 #endif
 621
 622 #ifdef USE_QFA
 623 #define qfaflag "[-Q file] "
 624 #else
 625 #define qfaflag
 626 #endif
 627
 628         fprintf(stderr,
 629                 "usage:"
 630                 "\t%s -C [-cd" kerbflag "lMvVy] [-b blocksize] [-D filesystem] [-f file]\n"
 631                 "\t%s    [-F script] [-L limit] [-s fileno]\n"
 632                 "\t%s -i [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 633                 "\t%s    [-F script] " qfaflag "[-s fileno]\n"
 634 #ifdef USE_QFA
 635                 "\t%s -P file [-acdh" kerbflag "lmMuvVy] [-A file] [-b blocksize]\n"
 636                 "\t%s    [-f file] [-F script] [-s fileno] [-X filelist] [file ...]\n"
 637 #endif
 638                 "\t%s -r [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 639                 "\t%s    [-s fileno] [-T directory]\n"
 640                 "\t%s -R [-cd" kerbflag "lMuvVy] [-b blocksize] [-f file] [-F script]\n"
 641                 "\t%s    [-s fileno] [-T directory]\n"
 642                 "\t%s -t [-cdh" kerbflag "lMuvVy] [-A file] [-b blocksize] [-f file]\n"
 643                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n"
 644                 "\t%s -x [-acdh" kerbflag "lmMouvVy] [-A file] [-b blocksize] [-f file]\n"
 645                 "\t%s    [-F script] " qfaflag "[-s fileno] [-X filelist] [file ...]\n",
 646                 __progname, white,
 647                 __progname, white,
 648 #ifdef USE_QFA
 649                 __progname, white,
 650 #endif
 651                 __progname, white,
 652                 __progname, white,
 653                 __progname, white,
 654                 __progname, white);
 655         exit(1);
 656 }
 657
 658 /*
 659  * obsolete --
 660  *      Change set of key letters and ordered arguments into something
 661  *      getopt(3) will like.
 662  */
 663 static void
 664 obsolete(int *argcp, char **argvp[])
 665 {
 666         int argc, flags;
 667         char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL;
 668
 669         /* Setup. */
 670         argv = *argvp;
 671         argc = *argcp;
 672
 673         /* Return if no arguments or first argument has leading dash. */
 674         ap = argv[1];
 675         if (argc == 1 || *ap == '-')
 676                 return;
 677
 678         /* Allocate space for new arguments. */
 679         if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
 680             (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
 681                 err(1, "malloc args");
 682
 683         *nargv++ = *argv;
 684         argv += 2, argc -= 2;
 685
 686         for (flags = 0; *ap; ++ap) {
 687                 switch (*ap) {
 688                 case 'A':
 689                 case 'b':
 690                 case 'D':
 691                 case 'f':
 692                 case 'F':
 693                 case 'L':
 694                 case 'Q':
 695                 case 's':
 696                 case 'T':
 697                 case 'X':
 698                         if (*argv == NULL) {
 699                                 warnx("option requires an argument -- %c", *ap);
 700                                 usage();
 701                         }
 702                         if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
 703                                 err(1, "malloc arg");
 704                         nargv[0][0] = '-';
 705                         nargv[0][1] = *ap;
 706                         (void)strcpy(&nargv[0][2], *argv);
 707                         ++argv;
 708                         ++nargv;
 709                         break;
 710                 default:
 711                         if (!flags) {
 712                                 *p++ = '-';
 713                                 flags = 1;
 714                         }
 715                         *p++ = *ap;
 716                         break;
 717                 }
 718         }
 719
 720         /* Terminate flags. */
 721         if (flags) {
 722                 *p = '\0';
 723                 *nargv++ = flagsp;
 724         }
 725
 726         /* Copy remaining arguments. */
 727         while ((*nargv++ = *argv++));
 728
 729         /* Update argument count. */
 730         *argcp = nargv - *argvp - 1;
 731 }
 732
 733 /*
 734  * use_stdin --
 735  *      reserve stdin for opt (avoid conflicts)
 736  */
 737 void
 738 use_stdin(const char *opt)
 739 {
 740         if (stdin_opt)
 741                 errx(1, "can't handle standard input for both %s and %s",
 742                         stdin_opt, opt);
 743         stdin_opt = opt;
 744 }