| File: | src/sbin/restore/interactive.c |
| Warning: | line 527, column 11 Although the value stored to 'dp' is used in the enclosing expression, the value is never actually read from 'dp' |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* $OpenBSD: interactive.c,v 1.30 2015/01/20 18:22:21 deraadt Exp $ */ |
| 2 | /* $NetBSD: interactive.c,v 1.10 1997/03/19 08:42:52 lukem Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 1985, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/time.h> |
| 34 | #include <sys/stat.h> |
| 35 | |
| 36 | #include <ufs/ffs/fs.h> |
| 37 | #include <ufs/ufs/dinode.h> |
| 38 | #include <ufs/ufs/dir.h> |
| 39 | #include <protocols/dumprestore.h> |
| 40 | |
| 41 | #include <setjmp.h> |
| 42 | #include <glob.h> |
| 43 | #include <stdio.h> |
| 44 | #include <errno(*__errno()).h> |
| 45 | #include <stdlib.h> |
| 46 | #include <string.h> |
| 47 | #include <unistd.h> |
| 48 | #include <limits.h> |
| 49 | |
| 50 | #include "restore.h" |
| 51 | #include "extern.h" |
| 52 | |
| 53 | #define round(a, b)(((a) + (b) - 1) / (b) * (b)) (((a) + (b) - 1) / (b) * (b)) |
| 54 | |
| 55 | /* |
| 56 | * Things to handle interruptions. |
| 57 | */ |
| 58 | static int runshell; |
| 59 | static jmp_buf reset; |
| 60 | static char *nextarg = NULL((void *)0); |
| 61 | |
| 62 | /* |
| 63 | * Structure and routines associated with listing directories. |
| 64 | */ |
| 65 | struct afile { |
| 66 | ino_t fnum; /* inode number of file */ |
| 67 | char *fname; /* file name */ |
| 68 | short len; /* name length */ |
| 69 | char prefix; /* prefix character */ |
| 70 | char postfix; /* postfix character */ |
| 71 | }; |
| 72 | struct arglist { |
| 73 | int freeglob; /* glob structure needs to be freed */ |
| 74 | int argcnt; /* next globbed argument to return */ |
| 75 | glob_t glob; /* globbing information */ |
| 76 | char *cmd; /* the current command */ |
| 77 | }; |
| 78 | |
| 79 | static char *copynext(char *, char *); |
| 80 | static int fcmp(const void *, const void *); |
| 81 | static void formatf(struct afile *, int); |
| 82 | static void getcmd(char *, char *, size_t, char *, size_t, struct arglist *); |
| 83 | struct dirent *glob_readdir(RST_DIR *dirp); |
| 84 | static int glob_stat(const char *, struct stat *); |
| 85 | static void mkentry(char *, struct direct *, struct afile *); |
| 86 | static void printlist(char *, char *); |
| 87 | |
| 88 | /* |
| 89 | * Read and execute commands from the terminal. |
| 90 | */ |
| 91 | void |
| 92 | runcmdshell(void) |
| 93 | { |
| 94 | struct entry *np; |
| 95 | ino_t ino; |
| 96 | struct arglist arglist; |
| 97 | char curdir[PATH_MAX1024]; |
| 98 | char name[PATH_MAX1024]; |
| 99 | char cmd[BUFSIZ1024]; |
| 100 | |
| 101 | arglist.freeglob = 0; |
| 102 | arglist.argcnt = 0; |
| 103 | arglist.glob.gl_flags = GLOB_ALTDIRFUNC0x0040; |
| 104 | arglist.glob.gl_opendir = (void *)rst_opendir; |
| 105 | arglist.glob.gl_readdir = (void *)glob_readdir; |
| 106 | arglist.glob.gl_closedir = (void *)rst_closedir; |
| 107 | arglist.glob.gl_lstat = glob_stat; |
| 108 | arglist.glob.gl_stat = glob_stat; |
| 109 | canon("/", curdir, sizeof curdir); |
| 110 | loop: |
| 111 | if (setjmp(reset) != 0) { |
| 112 | if (arglist.freeglob != 0) { |
| 113 | arglist.freeglob = 0; |
| 114 | arglist.argcnt = 0; |
| 115 | globfree(&arglist.glob); |
| 116 | } |
| 117 | nextarg = NULL((void *)0); |
| 118 | volno = 0; |
| 119 | } |
| 120 | runshell = 1; |
| 121 | getcmd(curdir, cmd, sizeof cmd, name, sizeof name, &arglist); |
| 122 | switch (cmd[0]) { |
| 123 | /* |
| 124 | * Add elements to the extraction list. |
| 125 | */ |
| 126 | case 'a': |
| 127 | if (strncmp(cmd, "add", strlen(cmd)) != 0) |
| 128 | goto bad; |
| 129 | ino = dirlookup(name); |
| 130 | if (ino == 0) |
| 131 | break; |
| 132 | if (mflag) |
| 133 | pathcheck(name); |
| 134 | treescan(name, ino, addfile); |
| 135 | break; |
| 136 | /* |
| 137 | * Change working directory. |
| 138 | */ |
| 139 | case 'c': |
| 140 | if (strncmp(cmd, "cd", strlen(cmd)) != 0) |
| 141 | goto bad; |
| 142 | ino = dirlookup(name); |
| 143 | if (ino == 0) |
| 144 | break; |
| 145 | if (inodetype(ino) == LEAF1) { |
| 146 | fprintf(stderr(&__sF[2]), "%s: not a directory\n", name); |
| 147 | break; |
| 148 | } |
| 149 | (void)strlcpy(curdir, name, sizeof curdir); |
| 150 | break; |
| 151 | /* |
| 152 | * Delete elements from the extraction list. |
| 153 | */ |
| 154 | case 'd': |
| 155 | if (strncmp(cmd, "delete", strlen(cmd)) != 0) |
| 156 | goto bad; |
| 157 | np = lookupname(name); |
| 158 | if (np == NULL((void *)0) || (np->e_flags & NEW0x0002) == 0) { |
| 159 | fprintf(stderr(&__sF[2]), "%s: not on extraction list\n", name); |
| 160 | break; |
| 161 | } |
| 162 | treescan(name, np->e_ino, deletefile); |
| 163 | break; |
| 164 | /* |
| 165 | * Extract the requested list. |
| 166 | */ |
| 167 | case 'e': |
| 168 | if (strncmp(cmd, "extract", strlen(cmd)) != 0) |
| 169 | goto bad; |
| 170 | createfiles(); |
| 171 | createlinks(); |
| 172 | setdirmodes(0); |
| 173 | if (dflag) |
| 174 | checkrestore(); |
| 175 | volno = 0; |
| 176 | break; |
| 177 | /* |
| 178 | * List available commands. |
| 179 | */ |
| 180 | case 'h': |
| 181 | if (strncmp(cmd, "help", strlen(cmd)) != 0) |
| 182 | goto bad; |
| 183 | case '?': |
| 184 | fprintf(stderr(&__sF[2]), "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", |
| 185 | "Available commands are:\n", |
| 186 | "\tls [arg] - list directory\n", |
| 187 | "\tcd arg - change directory\n", |
| 188 | "\tpwd - print current directory\n", |
| 189 | "\tadd [arg] - add `arg' to list of", |
| 190 | " files to be extracted\n", |
| 191 | "\tdelete [arg] - delete `arg' from", |
| 192 | " list of files to be extracted\n", |
| 193 | "\textract - extract requested files\n", |
| 194 | "\tsetmodes - set modes of requested directories\n", |
| 195 | "\tquit - immediately exit program\n", |
| 196 | "\twhat - list dump header information\n", |
| 197 | "\tverbose - toggle verbose flag", |
| 198 | " (useful with ``ls'')\n", |
| 199 | "\thelp or `?' - print this list\n", |
| 200 | "If no `arg' is supplied, the current", |
| 201 | " directory is used\n"); |
| 202 | break; |
| 203 | /* |
| 204 | * List a directory. |
| 205 | */ |
| 206 | case 'l': |
| 207 | if (strncmp(cmd, "ls", strlen(cmd)) != 0) |
| 208 | goto bad; |
| 209 | printlist(name, curdir); |
| 210 | break; |
| 211 | /* |
| 212 | * Print current directory. |
| 213 | */ |
| 214 | case 'p': |
| 215 | if (strncmp(cmd, "pwd", strlen(cmd)) != 0) |
| 216 | goto bad; |
| 217 | if (curdir[1] == '\0') |
| 218 | fprintf(stderr(&__sF[2]), "/\n"); |
| 219 | else |
| 220 | fprintf(stderr(&__sF[2]), "%s\n", &curdir[1]); |
| 221 | break; |
| 222 | /* |
| 223 | * Quit. |
| 224 | */ |
| 225 | case 'q': |
| 226 | if (strncmp(cmd, "quit", strlen(cmd)) != 0) |
| 227 | goto bad; |
| 228 | return; |
| 229 | case 'x': |
| 230 | if (strncmp(cmd, "xit", strlen(cmd)) != 0) |
| 231 | goto bad; |
| 232 | return; |
| 233 | /* |
| 234 | * Toggle verbose mode. |
| 235 | */ |
| 236 | case 'v': |
| 237 | if (strncmp(cmd, "verbose", strlen(cmd)) != 0) |
| 238 | goto bad; |
| 239 | if (vflag) { |
| 240 | fprintf(stderr(&__sF[2]), "verbose mode off\n"); |
| 241 | vflag = 0; |
| 242 | break; |
| 243 | } |
| 244 | fprintf(stderr(&__sF[2]), "verbose mode on\n"); |
| 245 | vflag++; |
| 246 | break; |
| 247 | /* |
| 248 | * Just restore requested directory modes. |
| 249 | */ |
| 250 | case 's': |
| 251 | if (strncmp(cmd, "setmodes", strlen(cmd)) != 0) |
| 252 | goto bad; |
| 253 | setdirmodes(FORCE0x0001); |
| 254 | break; |
| 255 | /* |
| 256 | * Print out dump header information. |
| 257 | */ |
| 258 | case 'w': |
| 259 | if (strncmp(cmd, "what", strlen(cmd)) != 0) |
| 260 | goto bad; |
| 261 | printdumpinfo(); |
| 262 | break; |
| 263 | /* |
| 264 | * Turn on debugging. |
| 265 | */ |
| 266 | case 'D': |
| 267 | if (strncmp(cmd, "Debug", strlen(cmd)) != 0) |
| 268 | goto bad; |
| 269 | if (dflag) { |
| 270 | fprintf(stderr(&__sF[2]), "debugging mode off\n"); |
| 271 | dflag = 0; |
| 272 | break; |
| 273 | } |
| 274 | fprintf(stderr(&__sF[2]), "debugging mode on\n"); |
| 275 | dflag++; |
| 276 | break; |
| 277 | /* |
| 278 | * Unknown command. |
| 279 | */ |
| 280 | default: |
| 281 | bad: |
| 282 | fprintf(stderr(&__sF[2]), "%s: unknown command; type ? for help\n", cmd); |
| 283 | break; |
| 284 | } |
| 285 | goto loop; |
| 286 | } |
| 287 | |
| 288 | /* |
| 289 | * Read and parse an interactive command. |
| 290 | * The first word on the line is assigned to "cmd". If |
| 291 | * there are no arguments on the command line, then "curdir" |
| 292 | * is returned as the argument. If there are arguments |
| 293 | * on the line they are returned one at a time on each |
| 294 | * successive call to getcmd. Each argument is first assigned |
| 295 | * to "name". If it does not start with "/" the pathname in |
| 296 | * "curdir" is prepended to it. Finally "canon" is called to |
| 297 | * eliminate any embedded ".." components. |
| 298 | */ |
| 299 | static void |
| 300 | getcmd(char *curdir, char *cmd, size_t cmdlen, char *name, size_t namelen, |
| 301 | struct arglist *ap) |
| 302 | { |
| 303 | char *cp; |
| 304 | static char input[BUFSIZ1024]; |
| 305 | char output[BUFSIZ1024]; |
| 306 | # define rawname input /* save space by reusing input buffer */ |
| 307 | int globretval; |
| 308 | |
| 309 | /* |
| 310 | * Check to see if still processing arguments. |
| 311 | */ |
| 312 | if (ap->argcnt > 0) |
| 313 | goto retnext; |
| 314 | if (nextarg != NULL((void *)0)) |
| 315 | goto getnext; |
| 316 | /* |
| 317 | * Read a command line and trim off trailing white space. |
| 318 | */ |
| 319 | do { |
| 320 | (void)fprintf(stderr(&__sF[2]), "%s > ", __progname); |
| 321 | (void)fflush(stderr(&__sF[2])); |
| 322 | if (fgets(input, sizeof input, terminal) == NULL((void *)0)) { |
| 323 | (void)strlcpy(cmd, "quit", cmdlen); |
| 324 | return; |
| 325 | } |
| 326 | } while (input[0] == '\n' || input[0] == '\0'); |
| 327 | for (cp = &input[strlen(input) - 1]; |
| 328 | cp >= input && (*cp == ' ' || *cp == '\t' || *cp == '\n'); cp--) |
| 329 | /* trim off trailing white space and newline */; |
| 330 | *++cp = '\0'; |
| 331 | /* |
| 332 | * Copy the command into "cmd". |
| 333 | */ |
| 334 | cp = copynext(input, cmd); |
| 335 | ap->cmd = cmd; |
| 336 | /* |
| 337 | * If no argument, use curdir as the default. |
| 338 | */ |
| 339 | if (*cp == '\0') { |
| 340 | (void)strlcpy(name, curdir, PATH_MAX1024); |
| 341 | return; |
| 342 | } |
| 343 | nextarg = cp; |
| 344 | /* |
| 345 | * Find the next argument. |
| 346 | */ |
| 347 | getnext: |
| 348 | cp = copynext(nextarg, rawname); |
| 349 | if (*cp == '\0') |
| 350 | nextarg = NULL((void *)0); |
| 351 | else |
| 352 | nextarg = cp; |
| 353 | /* |
| 354 | * If it is an absolute pathname, canonicalize it and return it. |
| 355 | */ |
| 356 | if (rawname[0] == '/') { |
| 357 | canon(rawname, name, namelen); |
| 358 | } else { |
| 359 | /* |
| 360 | * For relative pathnames, prepend the current directory to |
| 361 | * it then canonicalize and return it. |
| 362 | */ |
| 363 | snprintf(output, sizeof(output), "%s/%s", curdir, rawname); |
| 364 | canon(output, name, namelen); |
| 365 | } |
| 366 | if ((globretval = glob(name, GLOB_ALTDIRFUNC0x0040 | GLOB_NOESCAPE0x1000, |
| 367 | NULL((void *)0), &ap->glob)) < 0) { |
| 368 | fprintf(stderr(&__sF[2]), "%s: %s: ", ap->cmd, name); |
| 369 | switch (globretval) { |
| 370 | case GLOB_NOSPACE(-1): |
| 371 | fprintf(stderr(&__sF[2]), "out of memory\n"); |
| 372 | break; |
| 373 | case GLOB_NOMATCH(-3): |
| 374 | fprintf(stderr(&__sF[2]), "no filename match.\n"); |
| 375 | break; |
| 376 | case GLOB_ABORTED(-2): |
| 377 | fprintf(stderr(&__sF[2]), "glob() aborted.\n"); |
| 378 | break; |
| 379 | default: |
| 380 | fprintf(stderr(&__sF[2]), "unknown error!\n"); |
| 381 | break; |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | if (ap->glob.gl_pathc == 0) |
| 386 | return; |
| 387 | ap->freeglob = 1; |
| 388 | ap->argcnt = ap->glob.gl_pathc; |
| 389 | |
| 390 | retnext: |
| 391 | strlcpy(name, ap->glob.gl_pathv[ap->glob.gl_pathc - ap->argcnt], |
| 392 | PATH_MAX1024); |
| 393 | if (--ap->argcnt == 0) { |
| 394 | ap->freeglob = 0; |
| 395 | globfree(&ap->glob); |
| 396 | } |
| 397 | # undef rawname |
| 398 | } |
| 399 | |
| 400 | /* |
| 401 | * Strip off the next token of the input. |
| 402 | */ |
| 403 | static char * |
| 404 | copynext(char *input, char *output) |
| 405 | { |
| 406 | char *cp, *bp; |
| 407 | char quote; |
| 408 | |
| 409 | for (cp = input; *cp == ' ' || *cp == '\t'; cp++) |
| 410 | /* skip to argument */; |
| 411 | bp = output; |
| 412 | while (*cp != ' ' && *cp != '\t' && *cp != '\0') { |
| 413 | /* |
| 414 | * Handle back slashes. |
| 415 | */ |
| 416 | if (*cp == '\\') { |
| 417 | if (*++cp == '\0') { |
| 418 | fprintf(stderr(&__sF[2]), |
| 419 | "command lines cannot be continued\n"); |
| 420 | continue; |
| 421 | } |
| 422 | *bp++ = *cp++; |
| 423 | continue; |
| 424 | } |
| 425 | /* |
| 426 | * The usual unquoted case. |
| 427 | */ |
| 428 | if (*cp != '\'' && *cp != '"') { |
| 429 | *bp++ = *cp++; |
| 430 | continue; |
| 431 | } |
| 432 | /* |
| 433 | * Handle single and double quotes. |
| 434 | */ |
| 435 | quote = *cp++; |
| 436 | while (*cp != quote && *cp != '\0') |
| 437 | *bp++ = *cp++; |
| 438 | if (*cp++ == '\0') { |
| 439 | fprintf(stderr(&__sF[2]), "missing %c\n", quote); |
| 440 | cp--; |
| 441 | continue; |
| 442 | } |
| 443 | } |
| 444 | *bp = '\0'; |
| 445 | return (cp); |
| 446 | } |
| 447 | |
| 448 | /* |
| 449 | * Canonicalize file names to always start with ``./'' and |
| 450 | * remove any imbedded "." and ".." components. |
| 451 | */ |
| 452 | void |
| 453 | canon(char *rawname, char *canonname, size_t canonnamelen) |
| 454 | { |
| 455 | char *cp, *np; |
| 456 | |
| 457 | if (strcmp(rawname, ".") == 0 || strncmp(rawname, "./", 2) == 0) |
| 458 | (void)strlcpy(canonname, "", canonnamelen); |
| 459 | else if (rawname[0] == '/') |
| 460 | (void)strlcpy(canonname, ".", canonnamelen); |
| 461 | else |
| 462 | (void)strlcpy(canonname, "./", canonnamelen); |
| 463 | (void)strlcat(canonname, rawname, canonnamelen); |
| 464 | /* |
| 465 | * Eliminate multiple and trailing '/'s |
| 466 | */ |
| 467 | for (cp = np = canonname; *np != '\0'; cp++) { |
| 468 | *cp = *np++; |
| 469 | while (*cp == '/' && *np == '/') |
| 470 | np++; |
| 471 | } |
| 472 | *cp = '\0'; |
| 473 | if (*--cp == '/') |
| 474 | *cp = '\0'; |
| 475 | /* |
| 476 | * Eliminate extraneous "." and ".." from pathnames. |
| 477 | */ |
| 478 | for (np = canonname; *np != '\0'; ) { |
| 479 | np++; |
| 480 | cp = np; |
| 481 | while (*np != '/' && *np != '\0') |
| 482 | np++; |
| 483 | if (np - cp == 1 && *cp == '.') { |
| 484 | cp--; |
| 485 | (void)strlcpy(cp, np, canonname + canonnamelen - cp); |
| 486 | np = cp; |
| 487 | } |
| 488 | if (np - cp == 2 && strncmp(cp, "..", 2) == 0) { |
| 489 | cp--; |
| 490 | while (cp > &canonname[1] && *--cp != '/') |
| 491 | /* find beginning of name */; |
| 492 | (void)strlcpy(cp, np, canonname + canonnamelen - cp); |
| 493 | np = cp; |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | /* |
| 499 | * Do an "ls" style listing of a directory |
| 500 | */ |
| 501 | static void |
| 502 | printlist(char *name, char *basename) |
| 503 | { |
| 504 | struct afile *fp, *list, *listp = NULL((void *)0); |
| 505 | struct direct *dp; |
| 506 | struct afile single; |
| 507 | RST_DIR *dirp; |
| 508 | size_t namelen; |
| 509 | int entries, len; |
| 510 | char locname[PATH_MAX1024]; |
| 511 | |
| 512 | dp = pathsearch(name); |
| 513 | if (dp == NULL((void *)0) || (!dflag && TSTINO(dp->d_ino, dumpmap)(dumpmap[(u_int)((dp->d_ino) - 1) / 8] & (1 << ( (u_int)((dp->d_ino) - 1) % 8))) == 0)) |
| 514 | return; |
| 515 | if ((dirp = rst_opendir(name)) == NULL((void *)0)) { |
| 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))) |
Although the value stored to 'dp' is used in the enclosing expression, the value is never actually read from 'dp' | |
| 528 | entries++; |
| 529 | rst_closedir(dirp); |
| 530 | list = calloc(entries, sizeof(struct afile)); |
| 531 | if (list == NULL((void *)0)) { |
| 532 | fprintf(stderr(&__sF[2]), "ls: out of memory\n"); |
| 533 | return; |
| 534 | } |
| 535 | if ((dirp = rst_opendir(name)) == NULL((void *)0)) |
| 536 | panic("directory reopen failed\n"); |
| 537 | fprintf(stderr(&__sF[2]), "%s:\n", name); |
| 538 | entries = 0; |
| 539 | listp = list; |
| 540 | namelen = strlcpy(locname, name, sizeof(locname)); |
| 541 | if (namelen >= sizeof(locname) - 1) |
| 542 | namelen = sizeof(locname) - 2; |
| 543 | locname[namelen++] = '/'; |
| 544 | locname[namelen] = '\0'; |
| 545 | while ((dp = rst_readdir(dirp))) { |
| 546 | if (dp == NULL((void *)0)) |
| 547 | break; |
| 548 | if (!dflag && TSTINO(dp->d_ino, dumpmap)(dumpmap[(u_int)((dp->d_ino) - 1) / 8] & (1 << ( (u_int)((dp->d_ino) - 1) % 8))) == 0) |
| 549 | continue; |
| 550 | if (!vflag && (strcmp(dp->d_name, ".") == 0 || |
| 551 | strcmp(dp->d_name, "..") == 0)) |
| 552 | continue; |
| 553 | locname[namelen] = '\0'; |
| 554 | if (namelen + dp->d_namlen >= PATH_MAX1024) { |
| 555 | fprintf(stderr(&__sF[2]), "%s%s: name exceeds %d char\n", |
| 556 | locname, dp->d_name, PATH_MAX1024); |
| 557 | } else { |
| 558 | (void)strncat(locname, dp->d_name, |
| 559 | (int)dp->d_namlen); |
| 560 | mkentry(locname, dp, listp++); |
| 561 | entries++; |
| 562 | } |
| 563 | } |
| 564 | rst_closedir(dirp); |
| 565 | if (entries == 0) { |
| 566 | fprintf(stderr(&__sF[2]), "\n"); |
| 567 | free(list); |
| 568 | return; |
| 569 | } |
| 570 | qsort((char *)list, entries, sizeof(struct afile), fcmp); |
| 571 | } |
| 572 | formatf(list, entries); |
| 573 | if (dirp != NULL((void *)0)) { |
| 574 | for (fp = listp - 1; fp >= list; fp--) |
| 575 | freename(fp->fname); |
| 576 | fprintf(stderr(&__sF[2]), "\n"); |
| 577 | free(list); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | * Read the contents of a directory. |
| 583 | */ |
| 584 | static void |
| 585 | mkentry(char *name, struct direct *dp, struct afile *fp) |
| 586 | { |
| 587 | char *cp; |
| 588 | struct entry *np; |
| 589 | |
| 590 | fp->fnum = dp->d_ino; |
| 591 | fp->fname = savename(dp->d_name); |
| 592 | for (cp = fp->fname; *cp; cp++) |
| 593 | if (!vflag && (*cp < ' ' || *cp >= 0177)) |
| 594 | *cp = '?'; |
| 595 | fp->len = cp - fp->fname; |
| 596 | if (dflag && TSTINO(fp->fnum, dumpmap)(dumpmap[(u_int)((fp->fnum) - 1) / 8] & (1 << (( u_int)((fp->fnum) - 1) % 8))) == 0) |
| 597 | fp->prefix = '^'; |
| 598 | else if ((np = lookupname(name)) != NULL((void *)0) && (np->e_flags & NEW0x0002)) |
| 599 | fp->prefix = '*'; |
| 600 | else |
| 601 | fp->prefix = ' '; |
| 602 | switch(dp->d_type) { |
| 603 | |
| 604 | default: |
| 605 | fprintf(stderr(&__sF[2]), "Warning: undefined file type %d\n", |
| 606 | dp->d_type); |
| 607 | /* fall through */ |
| 608 | case DT_REG8: |
| 609 | fp->postfix = ' '; |
| 610 | break; |
| 611 | |
| 612 | case DT_LNK10: |
| 613 | fp->postfix = '@'; |
| 614 | break; |
| 615 | |
| 616 | case DT_FIFO1: |
| 617 | case DT_SOCK12: |
| 618 | fp->postfix = '='; |
| 619 | break; |
| 620 | |
| 621 | case DT_CHR2: |
| 622 | case DT_BLK6: |
| 623 | fp->postfix = '#'; |
| 624 | break; |
| 625 | |
| 626 | case DT_UNKNOWN0: |
| 627 | case DT_DIR4: |
| 628 | if (inodetype(dp->d_ino) == NODE2) |
| 629 | fp->postfix = '/'; |
| 630 | else |
| 631 | fp->postfix = ' '; |
| 632 | break; |
| 633 | } |
| 634 | return; |
| 635 | } |
| 636 | |
| 637 | /* |
| 638 | * Print out a pretty listing of a directory |
| 639 | */ |
| 640 | static void |
| 641 | formatf(struct afile *list, int nentry) |
| 642 | { |
| 643 | struct afile *fp, *endlist; |
| 644 | int width, bigino, haveprefix, havepostfix; |
| 645 | int i, j, w, precision = 0, columns, lines; |
| 646 | |
| 647 | width = 0; |
| 648 | haveprefix = 0; |
| 649 | havepostfix = 0; |
| 650 | bigino = ROOTINO((ufsino_t)2); |
| 651 | endlist = &list[nentry]; |
| 652 | for (fp = &list[0]; fp < endlist; fp++) { |
| 653 | if (bigino < fp->fnum) |
| 654 | bigino = fp->fnum; |
| 655 | if (width < fp->len) |
| 656 | width = fp->len; |
| 657 | if (fp->prefix != ' ') |
| 658 | haveprefix = 1; |
| 659 | if (fp->postfix != ' ') |
| 660 | havepostfix = 1; |
| 661 | } |
| 662 | if (haveprefix) |
| 663 | width++; |
| 664 | if (havepostfix) |
| 665 | width++; |
| 666 | if (vflag) { |
| 667 | for (precision = 0, i = bigino; i > 0; i /= 10) |
| 668 | precision++; |
| 669 | width += precision + 1; |
| 670 | } |
| 671 | width++; |
| 672 | columns = 81 / width; |
| 673 | if (columns == 0) |
| 674 | columns = 1; |
| 675 | lines = (nentry + columns - 1) / columns; |
| 676 | for (i = 0; i < lines; i++) { |
| 677 | for (j = 0; j < columns; j++) { |
| 678 | fp = &list[j * lines + i]; |
| 679 | if (vflag) { |
| 680 | fprintf(stderr(&__sF[2]), "%*llu ", precision, |
| 681 | (unsigned long long)fp->fnum); |
| 682 | fp->len += precision + 1; |
| 683 | } |
| 684 | if (haveprefix) { |
| 685 | putc(fp->prefix, stderr)(!__isthreaded ? __sputc(fp->prefix, (&__sF[2])) : (putc )(fp->prefix, (&__sF[2]))); |
| 686 | fp->len++; |
| 687 | } |
| 688 | fprintf(stderr(&__sF[2]), "%s", fp->fname); |
| 689 | if (havepostfix) { |
| 690 | putc(fp->postfix, stderr)(!__isthreaded ? __sputc(fp->postfix, (&__sF[2])) : (putc )(fp->postfix, (&__sF[2]))); |
| 691 | fp->len++; |
| 692 | } |
| 693 | if (fp + lines >= endlist) { |
| 694 | fprintf(stderr(&__sF[2]), "\n"); |
| 695 | break; |
| 696 | } |
| 697 | for (w = fp->len; w < width; w++) |
| 698 | putc(' ', stderr)(!__isthreaded ? __sputc(' ', (&__sF[2])) : (putc)(' ', ( &__sF[2]))); |
| 699 | } |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | /* |
| 704 | * Skip over directory entries that are not on the tape |
| 705 | * |
| 706 | * First have to get definition of a dirent. |
| 707 | */ |
| 708 | #undef DIRBLKSIZ1024 |
| 709 | #include <dirent.h> |
| 710 | #undef d_ino |
| 711 | |
| 712 | struct dirent * |
| 713 | glob_readdir(RST_DIR *dirp) |
| 714 | { |
| 715 | struct direct *dp; |
| 716 | static struct dirent adirent; |
| 717 | |
| 718 | while ((dp = rst_readdir(dirp)) != NULL((void *)0)) { |
| 719 | if (dflag || TSTINO(dp->d_ino, dumpmap)(dumpmap[(u_int)((dp->d_ino) - 1) / 8] & (1 << ( (u_int)((dp->d_ino) - 1) % 8)))) |
| 720 | break; |
| 721 | } |
| 722 | if (dp == NULL((void *)0)) |
| 723 | return (NULL((void *)0)); |
| 724 | adirent.d_fileno = dp->d_ino; |
| 725 | adirent.d_namlen = dp->d_namlen; |
| 726 | memcpy(adirent.d_name, dp->d_name, dp->d_namlen + 1); |
| 727 | return (&adirent); |
| 728 | } |
| 729 | |
| 730 | /* |
| 731 | * Return st_mode information in response to stat or lstat calls |
| 732 | */ |
| 733 | static int |
| 734 | glob_stat(const char *name, struct stat *stp) |
| 735 | { |
| 736 | struct direct *dp; |
| 737 | |
| 738 | dp = pathsearch(name); |
| 739 | if (dp == NULL((void *)0) || (!dflag && TSTINO(dp->d_ino, dumpmap)(dumpmap[(u_int)((dp->d_ino) - 1) / 8] & (1 << ( (u_int)((dp->d_ino) - 1) % 8))) == 0)) |
| 740 | return (-1); |
| 741 | if (inodetype(dp->d_ino) == NODE2) |
| 742 | stp->st_mode = S_IFDIR0040000; |
| 743 | else |
| 744 | stp->st_mode = S_IFREG0100000; |
| 745 | return (0); |
| 746 | } |
| 747 | |
| 748 | /* |
| 749 | * Comparison routine for qsort. |
| 750 | */ |
| 751 | static int |
| 752 | fcmp(const void *f1, const void *f2) |
| 753 | { |
| 754 | return (strcmp(((struct afile *)f1)->fname, |
| 755 | ((struct afile *)f2)->fname)); |
| 756 | } |
| 757 | |
| 758 | /* |
| 759 | * respond to interrupts |
| 760 | */ |
| 761 | void |
| 762 | onintr(int signo) |
| 763 | { |
| 764 | int save_errno = errno(*__errno()); |
| 765 | |
| 766 | if (command == 'i' && runshell) |
| 767 | longjmp(reset, 1); /* XXX signal/longjmp reentrancy */ |
| 768 | if (reply("restore interrupted, continue") == FAIL0) /* XXX signal race */ |
| 769 | _exit(1); |
| 770 | errno(*__errno()) = save_errno; |
| 771 | } |