interactive.c revision 41845
178064Sume/* 278064Sume * Copyright (c) 1985, 1993 355163Sshin * The Regents of the University of California. All rights reserved. 455163Sshin * 555163Sshin * Redistribution and use in source and binary forms, with or without 662752Skris * modification, are permitted provided that the following conditions 755163Sshin * are met: 855163Sshin * 1. Redistributions of source code must retain the above copyright 955163Sshin * notice, this list of conditions and the following disclaimer. 1055163Sshin * 2. Redistributions in binary form must reproduce the above copyright 1155163Sshin * notice, this list of conditions and the following disclaimer in the 1255163Sshin * documentation and/or other materials provided with the distribution. 1355163Sshin * 3. All advertising materials mentioning features or use of this software 1455163Sshin * must display the following acknowledgement: 1555163Sshin * This product includes software developed by the University of 1655163Sshin * California, Berkeley and its contributors. 1755163Sshin * 4. Neither the name of the University nor the names of its contributors 1862752Skris * may be used to endorse or promote products derived from this software 1955163Sshin * without specific prior written permission. 2055163Sshin * 2155163Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2255163Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355163Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455163Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2555163Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655163Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755163Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855163Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955163Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055163Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155163Sshin * SUCH DAMAGE. 3255163Sshin */ 3355163Sshin 3455163Sshin#ifndef lint 3555163Sshin#if 0 3655163Sshinstatic char sccsid[] = "@(#)interactive.c 8.5 (Berkeley) 5/1/95"; 3755163Sshin#endif 3855163Sshinstatic const char rcsid[] = 3955163Sshin "$Id: interactive.c,v 1.6 1998/09/17 20:18:11 imp Exp $"; 4055163Sshin#endif /* not lint */ 4162752Skris 4255163Sshin#include <sys/param.h> 4355163Sshin#include <sys/stat.h> 4455163Sshin 4555163Sshin#include <ufs/ufs/dinode.h> 4678064Sume#include <ufs/ufs/dir.h> 4778064Sume#include <protocols/dumprestore.h> 4855163Sshin 4962752Skris#include <setjmp.h> 5055163Sshin#include <glob.h> 5162752Skris#include <stdio.h> 5255163Sshin#include <stdlib.h> 5355163Sshin#include <string.h> 5455163Sshin 5555163Sshin#include "restore.h" 5655163Sshin#include "extern.h" 5755163Sshin 5855163Sshin#define round(a, b) (((a) + (b) - 1) / (b) * (b)) 5955163Sshin 6055163Sshin/* 6162752Skris * Things to handle interruptions. 6255163Sshin */ 6355163Sshinstatic int runshell; 6455163Sshinstatic jmp_buf reset; 6555163Sshinstatic char *nextarg = NULL; 6655163Sshin 6755163Sshin/* 6855163Sshin * Structure and routines associated with listing directories. 6955163Sshin */ 7055163Sshinstruct afile { 7155163Sshin ino_t fnum; /* inode number of file */ 7255163Sshin char *fname; /* file name */ 7355163Sshin short len; /* name length */ 7455163Sshin char prefix; /* prefix character */ 7555163Sshin char postfix; /* postfix character */ 7655163Sshin}; 7755163Sshinstruct arglist { 7855163Sshin int freeglob; /* glob structure needs to be freed */ 7955163Sshin int argcnt; /* next globbed argument to return */ 8055163Sshin glob_t glob; /* globbing information */ 8155163Sshin char *cmd; /* the current command */ 8255163Sshin}; 8355163Sshin 8455163Sshinstatic char *copynext __P((char *, char *)); 8555163Sshinstatic int fcmp __P((const void *, const void *)); 8655163Sshinstatic void formatf __P((struct afile *, int)); 8755163Sshinstatic void getcmd __P((char *, char *, char *, int, struct arglist *)); 8855163Sshinstruct dirent *glob_readdir __P((RST_DIR *dirp)); 8978064Sumestatic int glob_stat __P((const char *, struct stat *)); 9055163Sshinstatic void mkentry __P((char *, struct direct *, struct afile *)); 9155163Sshinstatic void printlist __P((char *, char *)); 9255163Sshin 9355163Sshin/* 9455163Sshin * Read and execute commands from the terminal. 9555163Sshin */ 9655163Sshinvoid 9755163Sshinruncmdshell() 9855163Sshin{ 9955163Sshin register struct entry *np; 10055163Sshin ino_t ino; 10155163Sshin struct arglist arglist; 10255163Sshin char curdir[MAXPATHLEN]; 10355163Sshin char name[MAXPATHLEN]; 10455163Sshin char cmd[BUFSIZ]; 10555163Sshin 10655163Sshin arglist.freeglob = 0; 10755163Sshin arglist.argcnt = 0; 10855163Sshin arglist.glob.gl_flags = GLOB_ALTDIRFUNC; 10978064Sume arglist.glob.gl_opendir = (void *)rst_opendir; 11055163Sshin arglist.glob.gl_readdir = (void *)glob_readdir; 11155163Sshin arglist.glob.gl_closedir = (void *)rst_closedir; 11255163Sshin arglist.glob.gl_lstat = glob_stat; 11355163Sshin arglist.glob.gl_stat = glob_stat; 11455163Sshin canon("/", curdir, sizeof(curdir)); 11555163Sshinloop: 11655163Sshin if (setjmp(reset) != 0) { 11755163Sshin if (arglist.freeglob != 0) { 11855163Sshin arglist.freeglob = 0; 11955163Sshin arglist.argcnt = 0; 12055163Sshin globfree(&arglist.glob); 12162752Skris } 12255163Sshin nextarg = NULL; 12355163Sshin volno = 0; 12462752Skris } 12555163Sshin runshell = 1; 12655163Sshin getcmd(curdir, cmd, name, sizeof(name), &arglist); 12755163Sshin switch (cmd[0]) { 12855163Sshin /* 12955163Sshin * Add elements to the extraction list. 13055163Sshin */ 13155163Sshin case 'a': 13255163Sshin if (strncmp(cmd, "add", strlen(cmd)) != 0) 13355163Sshin goto bad; 13455163Sshin ino = dirlookup(name); 13555163Sshin if (ino == 0) 13655163Sshin break; 13755163Sshin if (mflag) 13855163Sshin pathcheck(name); 13955163Sshin treescan(name, ino, addfile); 14055163Sshin break; 14155163Sshin /* 14255163Sshin * Change working directory. 14355163Sshin */ 14455163Sshin case 'c': 14555163Sshin if (strncmp(cmd, "cd", strlen(cmd)) != 0) 14655163Sshin goto bad; 14755163Sshin ino = dirlookup(name); 14855163Sshin if (ino == 0) 14955163Sshin break; 15055163Sshin if (inodetype(ino) == LEAF) { 15155163Sshin fprintf(stderr, "%s: not a directory\n", name); 15255163Sshin break; 15355163Sshin } 15455163Sshin (void) strcpy(curdir, name); 15555163Sshin break; 15655163Sshin /* 15755163Sshin * Delete elements from the extraction list. 15855163Sshin */ 15955163Sshin case 'd': 16055163Sshin if (strncmp(cmd, "delete", strlen(cmd)) != 0) 16155163Sshin goto bad; 16255163Sshin np = lookupname(name); 16355163Sshin if (np == NULL || (np->e_flags & NEW) == 0) { 16455163Sshin fprintf(stderr, "%s: not on extraction list\n", name); 16555163Sshin break; 16655163Sshin } 16755163Sshin treescan(name, np->e_ino, deletefile); 16855163Sshin break; 16955163Sshin /* 17055163Sshin * Extract the requested list. 17155163Sshin */ 17255163Sshin case 'e': 17355163Sshin if (strncmp(cmd, "extract", strlen(cmd)) != 0) 17455163Sshin goto bad; 17555163Sshin createfiles(); 17655163Sshin createlinks(); 17755163Sshin setdirmodes(0); 17855163Sshin if (dflag) 17955163Sshin checkrestore(); 18055163Sshin volno = 0; 18155163Sshin break; 18255163Sshin /* 18355163Sshin * List available commands. 18495258Sdes */ 18555163Sshin case 'h': 18655163Sshin if (strncmp(cmd, "help", strlen(cmd)) != 0) 18755163Sshin goto bad; 18855163Sshin case '?': 18955163Sshin fprintf(stderr, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", 19055163Sshin "Available commands are:\n", 19155163Sshin "\tls [arg] - list directory\n", 19262752Skris "\tcd arg - change directory\n", 19355163Sshin "\tpwd - print current directory\n", 19455163Sshin "\tadd [arg] - add `arg' to list of", 19555163Sshin " files to be extracted\n", 19655163Sshin "\tdelete [arg] - delete `arg' from", 19755163Sshin " list of files to be extracted\n", 19855163Sshin "\textract - extract requested files\n", 19955163Sshin "\tsetmodes - set modes of requested directories\n", 20055163Sshin "\tquit - immediately exit program\n", 20155163Sshin "\twhat - list dump header information\n", 20255163Sshin "\tverbose - toggle verbose flag", 20355163Sshin " (useful with ``ls'')\n", 20455163Sshin "\thelp or `?' - print this list\n", 20562752Skris "If no `arg' is supplied, the current", 20655163Sshin " directory is used\n"); 20755163Sshin break; 20855163Sshin /* 209 * List a directory. 210 */ 211 case 'l': 212 if (strncmp(cmd, "ls", strlen(cmd)) != 0) 213 goto bad; 214 printlist(name, curdir); 215 break; 216 /* 217 * Print current directory. 218 */ 219 case 'p': 220 if (strncmp(cmd, "pwd", strlen(cmd)) != 0) 221 goto bad; 222 if (curdir[1] == '\0') 223 fprintf(stderr, "/\n"); 224 else 225 fprintf(stderr, "%s\n", &curdir[1]); 226 break; 227 /* 228 * Quit. 229 */ 230 case 'q': 231 if (strncmp(cmd, "quit", strlen(cmd)) != 0) 232 goto bad; 233 return; 234 case 'x': 235 if (strncmp(cmd, "xit", strlen(cmd)) != 0) 236 goto bad; 237 return; 238 /* 239 * Toggle verbose mode. 240 */ 241 case 'v': 242 if (strncmp(cmd, "verbose", strlen(cmd)) != 0) 243 goto bad; 244 if (vflag) { 245 fprintf(stderr, "verbose mode off\n"); 246 vflag = 0; 247 break; 248 } 249 fprintf(stderr, "verbose mode on\n"); 250 vflag++; 251 break; 252 /* 253 * Just restore requested directory modes. 254 */ 255 case 's': 256 if (strncmp(cmd, "setmodes", strlen(cmd)) != 0) 257 goto bad; 258 setdirmodes(FORCE); 259 break; 260 /* 261 * Print out dump header information. 262 */ 263 case 'w': 264 if (strncmp(cmd, "what", strlen(cmd)) != 0) 265 goto bad; 266 printdumpinfo(); 267 break; 268 /* 269 * Turn on debugging. 270 */ 271 case 'D': 272 if (strncmp(cmd, "Debug", strlen(cmd)) != 0) 273 goto bad; 274 if (dflag) { 275 fprintf(stderr, "debugging mode off\n"); 276 dflag = 0; 277 break; 278 } 279 fprintf(stderr, "debugging mode on\n"); 280 dflag++; 281 break; 282 /* 283 * Unknown command. 284 */ 285 default: 286 bad: 287 fprintf(stderr, "%s: unknown command; type ? for help\n", cmd); 288 break; 289 } 290 goto loop; 291} 292 293/* 294 * Read and parse an interactive command. 295 * The first word on the line is assigned to "cmd". If 296 * there are no arguments on the command line, then "curdir" 297 * is returned as the argument. If there are arguments 298 * on the line they are returned one at a time on each 299 * successive call to getcmd. Each argument is first assigned 300 * to "name". If it does not start with "/" the pathname in 301 * "curdir" is prepended to it. Finally "canon" is called to 302 * eliminate any embedded ".." components. 303 */ 304static void 305getcmd(curdir, cmd, name, size, ap) 306 char *curdir, *cmd, *name; 307 struct arglist *ap; 308 int size; 309{ 310 register char *cp; 311 static char input[BUFSIZ]; 312 char output[BUFSIZ]; 313# define rawname input /* save space by reusing input buffer */ 314 315 /* 316 * Check to see if still processing arguments. 317 */ 318 if (ap->argcnt > 0) 319 goto retnext; 320 if (nextarg != NULL) 321 goto getnext; 322 /* 323 * Read a command line and trim off trailing white space. 324 */ 325 do { 326 fprintf(stderr, "restore > "); 327 (void) fflush(stderr); 328 (void) fgets(input, BUFSIZ, terminal); 329 } while (!feof(terminal) && input[0] == '\n'); 330 if (feof(terminal)) { 331 (void) strcpy(cmd, "quit"); 332 return; 333 } 334 for (cp = &input[strlen(input) - 2]; *cp == ' ' || *cp == '\t'; cp--) 335 /* trim off trailing white space and newline */; 336 *++cp = '\0'; 337 /* 338 * Copy the command into "cmd". 339 */ 340 cp = copynext(input, cmd); 341 ap->cmd = cmd; 342 /* 343 * If no argument, use curdir as the default. 344 */ 345 if (*cp == '\0') { 346 (void) strncpy(name, curdir, size); 347 name[size - 1] = '\0'; 348 return; 349 } 350 nextarg = cp; 351 /* 352 * Find the next argument. 353 */ 354getnext: 355 cp = copynext(nextarg, rawname); 356 if (*cp == '\0') 357 nextarg = NULL; 358 else 359 nextarg = cp; 360 /* 361 * If it is an absolute pathname, canonicalize it and return it. 362 */ 363 if (rawname[0] == '/') { 364 canon(rawname, name, size); 365 } else { 366 /* 367 * For relative pathnames, prepend the current directory to 368 * it then canonicalize and return it. 369 */ 370 snprintf(output, sizeof(output), "%s/%s", curdir, rawname); 371 canon(output, name, size); 372 } 373 if (glob(name, GLOB_ALTDIRFUNC, NULL, &ap->glob) < 0) 374 fprintf(stderr, "%s: out of memory\n", ap->cmd); 375 if (ap->glob.gl_pathc == 0) 376 return; 377 ap->freeglob = 1; 378 ap->argcnt = ap->glob.gl_pathc; 379 380retnext: 381 strncpy(name, ap->glob.gl_pathv[ap->glob.gl_pathc - ap->argcnt], size); 382 name[size - 1] = '\0'; 383 if (--ap->argcnt == 0) { 384 ap->freeglob = 0; 385 globfree(&ap->glob); 386 } 387# undef rawname 388} 389 390/* 391 * Strip off the next token of the input. 392 */ 393static char * 394copynext(input, output) 395 char *input, *output; 396{ 397 register char *cp, *bp; 398 char quote; 399 400 for (cp = input; *cp == ' ' || *cp == '\t'; cp++) 401 /* skip to argument */; 402 bp = output; 403 while (*cp != ' ' && *cp != '\t' && *cp != '\0') { 404 /* 405 * Handle back slashes. 406 */ 407 if (*cp == '\\') { 408 if (*++cp == '\0') { 409 fprintf(stderr, 410 "command lines cannot be continued\n"); 411 continue; 412 } 413 *bp++ = *cp++; 414 continue; 415 } 416 /* 417 * The usual unquoted case. 418 */ 419 if (*cp != '\'' && *cp != '"') { 420 *bp++ = *cp++; 421 continue; 422 } 423 /* 424 * Handle single and double quotes. 425 */ 426 quote = *cp++; 427 while (*cp != quote && *cp != '\0') 428 *bp++ = *cp++ | 0200; 429 if (*cp++ == '\0') { 430 fprintf(stderr, "missing %c\n", quote); 431 cp--; 432 continue; 433 } 434 } 435 *bp = '\0'; 436 return (cp); 437} 438 439/* 440 * Canonicalize file names to always start with ``./'' and 441 * remove any embedded "." and ".." components. 442 */ 443void 444canon(rawname, canonname, len) 445 char *rawname, *canonname; 446 int len; 447{ 448 register char *cp, *np; 449 450 if (strcmp(rawname, ".") == 0 || strncmp(rawname, "./", 2) == 0) 451 (void) strcpy(canonname, ""); 452 else if (rawname[0] == '/') 453 (void) strcpy(canonname, "."); 454 else 455 (void) strcpy(canonname, "./"); 456 if (strlen(canonname) + strlen(rawname) >= len) { 457 fprintf(stderr, "canonname: not enough buffer space\n"); 458 done(1); 459 } 460 461 (void) strcat(canonname, rawname); 462 /* 463 * Eliminate multiple and trailing '/'s 464 */ 465 for (cp = np = canonname; *np != '\0'; cp++) { 466 *cp = *np++; 467 while (*cp == '/' && *np == '/') 468 np++; 469 } 470 *cp = '\0'; 471 if (*--cp == '/') 472 *cp = '\0'; 473 /* 474 * Eliminate extraneous "." and ".." from pathnames. 475 */ 476 for (np = canonname; *np != '\0'; ) { 477 np++; 478 cp = np; 479 while (*np != '/' && *np != '\0') 480 np++; 481 if (np - cp == 1 && *cp == '.') { 482 cp--; 483 (void) strcpy(cp, np); 484 np = cp; 485 } 486 if (np - cp == 2 && strncmp(cp, "..", 2) == 0) { 487 cp--; 488 while (cp > &canonname[1] && *--cp != '/') 489 /* find beginning of name */; 490 (void) strcpy(cp, np); 491 np = cp; 492 } 493 } 494} 495 496/* 497 * Do an "ls" style listing of a directory 498 */ 499static void 500printlist(name, basename) 501 char *name; 502 char *basename; 503{ 504 register struct afile *fp, *list, *listp; 505 register struct direct *dp; 506 struct afile single; 507 RST_DIR *dirp; 508 int entries, len, namelen; 509 char locname[MAXPATHLEN + 1]; 510 511 dp = pathsearch(name); 512 if (dp == NULL || (!dflag && TSTINO(dp->d_ino, dumpmap) == 0) || 513 (!vflag && dp->d_ino == WINO)) 514 return; 515 if ((dirp = rst_opendir(name)) == NULL) { 516 entries = 1; 517 list = &single; 518 mkentry(name, dp, list); 519 len = strlen(basename) + 1; 520 if (strlen(name) - len > single.len) { 521 freename(single.fname); 522 single.fname = savename(&name[len]); 523 single.len = strlen(single.fname); 524 } 525 } else { 526 entries = 0; 527 while ((dp = rst_readdir(dirp))) 528 entries++; 529 rst_closedir(dirp); 530 list = (struct afile *)malloc(entries * sizeof(struct afile)); 531 if (list == NULL) { 532 fprintf(stderr, "ls: out of memory\n"); 533 return; 534 } 535 if ((dirp = rst_opendir(name)) == NULL) 536 panic("directory reopen failed\n"); 537 fprintf(stderr, "%s:\n", name); 538 entries = 0; 539 listp = list; 540 (void) strncpy(locname, name, MAXPATHLEN); 541 (void) strncat(locname, "/", MAXPATHLEN); 542 namelen = strlen(locname); 543 while ((dp = rst_readdir(dirp))) { 544 if (dp == NULL) 545 break; 546 if (!dflag && TSTINO(dp->d_ino, dumpmap) == 0) 547 continue; 548 if (!vflag && (dp->d_ino == WINO || 549 strcmp(dp->d_name, ".") == 0 || 550 strcmp(dp->d_name, "..") == 0)) 551 continue; 552 locname[namelen] = '\0'; 553 if (namelen + dp->d_namlen >= MAXPATHLEN) { 554 fprintf(stderr, "%s%s: name exceeds %d char\n", 555 locname, dp->d_name, MAXPATHLEN); 556 } else { 557 (void) strncat(locname, dp->d_name, 558 (int)dp->d_namlen); 559 mkentry(locname, dp, listp++); 560 entries++; 561 } 562 } 563 rst_closedir(dirp); 564 if (entries == 0) { 565 fprintf(stderr, "\n"); 566 free(list); 567 return; 568 } 569 qsort((char *)list, entries, sizeof(struct afile), fcmp); 570 } 571 formatf(list, entries); 572 if (dirp != NULL) { 573 for (fp = listp - 1; fp >= list; fp--) 574 freename(fp->fname); 575 fprintf(stderr, "\n"); 576 free(list); 577 } 578} 579 580/* 581 * Read the contents of a directory. 582 */ 583static void 584mkentry(name, dp, fp) 585 char *name; 586 struct direct *dp; 587 register struct afile *fp; 588{ 589 char *cp; 590 struct entry *np; 591 592 fp->fnum = dp->d_ino; 593 fp->fname = savename(dp->d_name); 594 for (cp = fp->fname; *cp; cp++) 595 if (!vflag && (*cp < ' ' || *cp >= 0177)) 596 *cp = '?'; 597 fp->len = cp - fp->fname; 598 if (dflag && TSTINO(fp->fnum, dumpmap) == 0) 599 fp->prefix = '^'; 600 else if ((np = lookupname(name)) != NULL && (np->e_flags & NEW)) 601 fp->prefix = '*'; 602 else 603 fp->prefix = ' '; 604 switch(dp->d_type) { 605 606 default: 607 fprintf(stderr, "Warning: undefined file type %d\n", 608 dp->d_type); 609 /* fall through */ 610 case DT_REG: 611 fp->postfix = ' '; 612 break; 613 614 case DT_LNK: 615 fp->postfix = '@'; 616 break; 617 618 case DT_FIFO: 619 case DT_SOCK: 620 fp->postfix = '='; 621 break; 622 623 case DT_CHR: 624 case DT_BLK: 625 fp->postfix = '#'; 626 break; 627 628 case DT_WHT: 629 fp->postfix = '%'; 630 break; 631 632 case DT_UNKNOWN: 633 case DT_DIR: 634 if (inodetype(dp->d_ino) == NODE) 635 fp->postfix = '/'; 636 else 637 fp->postfix = ' '; 638 break; 639 } 640 return; 641} 642 643/* 644 * Print out a pretty listing of a directory 645 */ 646static void 647formatf(list, nentry) 648 register struct afile *list; 649 int nentry; 650{ 651 register struct afile *fp, *endlist; 652 int width, bigino, haveprefix, havepostfix; 653 int i, j, w, precision, columns, lines; 654 655 width = 0; 656 haveprefix = 0; 657 havepostfix = 0; 658 bigino = ROOTINO; 659 endlist = &list[nentry]; 660 for (fp = &list[0]; fp < endlist; fp++) { 661 if (bigino < fp->fnum) 662 bigino = fp->fnum; 663 if (width < fp->len) 664 width = fp->len; 665 if (fp->prefix != ' ') 666 haveprefix = 1; 667 if (fp->postfix != ' ') 668 havepostfix = 1; 669 } 670 if (haveprefix) 671 width++; 672 if (havepostfix) 673 width++; 674 if (vflag) { 675 for (precision = 0, i = bigino; i > 0; i /= 10) 676 precision++; 677 width += precision + 1; 678 } 679 width++; 680 columns = 81 / width; 681 if (columns == 0) 682 columns = 1; 683 lines = (nentry + columns - 1) / columns; 684 for (i = 0; i < lines; i++) { 685 for (j = 0; j < columns; j++) { 686 fp = &list[j * lines + i]; 687 if (vflag) { 688 fprintf(stderr, "%*d ", precision, fp->fnum); 689 fp->len += precision + 1; 690 } 691 if (haveprefix) { 692 putc(fp->prefix, stderr); 693 fp->len++; 694 } 695 fprintf(stderr, "%s", fp->fname); 696 if (havepostfix) { 697 putc(fp->postfix, stderr); 698 fp->len++; 699 } 700 if (fp + lines >= endlist) { 701 fprintf(stderr, "\n"); 702 break; 703 } 704 for (w = fp->len; w < width; w++) 705 putc(' ', stderr); 706 } 707 } 708} 709 710/* 711 * Skip over directory entries that are not on the tape 712 * 713 * First have to get definition of a dirent. 714 */ 715#undef DIRBLKSIZ 716#include <dirent.h> 717#undef d_ino 718 719struct dirent * 720glob_readdir(dirp) 721 RST_DIR *dirp; 722{ 723 struct direct *dp; 724 static struct dirent adirent; 725 726 while ((dp = rst_readdir(dirp)) != NULL) { 727 if (!vflag && dp->d_ino == WINO) 728 continue; 729 if (dflag || TSTINO(dp->d_ino, dumpmap)) 730 break; 731 } 732 if (dp == NULL) 733 return (NULL); 734 adirent.d_fileno = dp->d_ino; 735 adirent.d_namlen = dp->d_namlen; 736 memmove(adirent.d_name, dp->d_name, dp->d_namlen + 1); 737 return (&adirent); 738} 739 740/* 741 * Return st_mode information in response to stat or lstat calls 742 */ 743static int 744glob_stat(name, stp) 745 const char *name; 746 struct stat *stp; 747{ 748 register struct direct *dp; 749 750 dp = pathsearch(name); 751 if (dp == NULL || (!dflag && TSTINO(dp->d_ino, dumpmap) == 0) || 752 (!vflag && dp->d_ino == WINO)) 753 return (-1); 754 if (inodetype(dp->d_ino) == NODE) 755 stp->st_mode = IFDIR; 756 else 757 stp->st_mode = IFREG; 758 return (0); 759} 760 761/* 762 * Comparison routine for qsort. 763 */ 764static int 765fcmp(f1, f2) 766 register const void *f1, *f2; 767{ 768 return (strcmp(((struct afile *)f1)->fname, 769 ((struct afile *)f2)->fname)); 770} 771 772/* 773 * respond to interrupts 774 */ 775void 776onintr(signo) 777 int signo; 778{ 779 if (command == 'i' && runshell) 780 longjmp(reset, 1); 781 if (reply("restore interrupted, continue") == FAIL) 782 done(1); 783} 784