1 /* 2 * Copyright (c) 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1987, 1993 The Regents of the University of California. All rights reserved. 34 * @(#)xinstall.c 8.1 (Berkeley) 7/21/93 35 * $FreeBSD: src/usr.bin/xinstall/xinstall.c,v 1.38.2.8 2002/08/07 16:29:48 ru Exp $ 36 * $DragonFly: src/usr.bin/xinstall/xinstall.c,v 1.3 2003/10/04 20:36:55 hmp Exp $ 37 */ 38 39 #include <sys/param.h> 40 #include <sys/mman.h> 41 #include <sys/mount.h> 42 #include <sys/stat.h> 43 #include <sys/wait.h> 44 45 #include <ctype.h> 46 #include <err.h> 47 #include <errno.h> 48 #include <fcntl.h> 49 #include <grp.h> 50 #include <paths.h> 51 #include <pwd.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <sysexits.h> 56 #include <unistd.h> 57 #include <utime.h> 58 59 #include "pathnames.h" 60 61 /* Bootstrap aid - this doesn't exist in most older releases */ 62 #ifndef MAP_FAILED 63 #define MAP_FAILED ((void *)-1) /* from <sys/mman.h> */ 64 #endif 65 66 #define MAX_CMP_SIZE (16 * 1024 * 1024) 67 68 #define DIRECTORY 0x01 /* Tell install it's a directory. */ 69 #define SETFLAGS 0x02 /* Tell install to set flags. */ 70 #define NOCHANGEBITS (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND) 71 #define BACKUP_SUFFIX ".old" 72 73 struct passwd *pp; 74 struct group *gp; 75 gid_t gid; 76 uid_t uid; 77 int dobackup, docompare, dodir, dopreserve, dostrip, nommap, safecopy, verbose; 78 mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; 79 const char *suffix = BACKUP_SUFFIX; 80 81 void copy(int, const char *, int, const char *, off_t); 82 int compare(int, const char *, size_t, int, const char *, size_t); 83 int create_newfile(const char *, int, struct stat *); 84 int create_tempfile(const char *, char *, size_t); 85 void install(const char *, const char *, u_long, u_int); 86 void install_dir(char *); 87 u_long numeric_id(const char *, const char *); 88 void strip(const char *); 89 int trymmap(int); 90 void usage(void); 91 92 int 93 main(int argc, char **argv) 94 { 95 struct stat from_sb, to_sb; 96 mode_t *set; 97 u_long fset; 98 int ch, no_target; 99 u_int iflags; 100 char *flags; 101 const char *group, *owner, *to_name; 102 103 iflags = 0; 104 group = owner = NULL; 105 while ((ch = getopt(argc, argv, "B:bCcdf:g:Mm:o:pSsv")) != -1) 106 switch((char)ch) { 107 case 'B': 108 suffix = optarg; 109 /* FALLTHROUGH */ 110 case 'b': 111 dobackup = 1; 112 break; 113 case 'C': 114 docompare = 1; 115 break; 116 case 'c': 117 /* For backwards compatibility. */ 118 break; 119 case 'd': 120 dodir = 1; 121 break; 122 case 'f': 123 flags = optarg; 124 if (strtofflags(&flags, &fset, NULL)) 125 errx(EX_USAGE, "%s: invalid flag", flags); 126 iflags |= SETFLAGS; 127 break; 128 case 'g': 129 group = optarg; 130 break; 131 case 'M': 132 nommap = 1; 133 break; 134 case 'm': 135 if (!(set = setmode(optarg))) 136 errx(EX_USAGE, "invalid file mode: %s", 137 optarg); 138 mode = getmode(set, 0); 139 free(set); 140 break; 141 case 'o': 142 owner = optarg; 143 break; 144 case 'p': 145 docompare = dopreserve = 1; 146 break; 147 case 'S': 148 safecopy = 1; 149 break; 150 case 's': 151 dostrip = 1; 152 break; 153 case 'v': 154 verbose = 1; 155 break; 156 case '?': 157 default: 158 usage(); 159 } 160 argc -= optind; 161 argv += optind; 162 163 /* some options make no sense when creating directories */ 164 if (dostrip && dodir) 165 usage(); 166 167 /* must have at least two arguments, except when creating directories */ 168 if (argc < 2 && !dodir) 169 usage(); 170 171 /* need to make a temp copy so we can compare stripped version */ 172 if (docompare && dostrip) 173 safecopy = 1; 174 175 /* get group and owner id's */ 176 if (group != NULL) { 177 if ((gp = getgrnam(group)) != NULL) 178 gid = gp->gr_gid; 179 else 180 gid = (gid_t)numeric_id(group, "group"); 181 } else 182 gid = (gid_t)-1; 183 184 if (owner != NULL) { 185 if ((pp = getpwnam(owner)) != NULL) 186 uid = pp->pw_uid; 187 else 188 uid = (uid_t)numeric_id(owner, "user"); 189 } else 190 uid = (uid_t)-1; 191 192 if (dodir) { 193 for (; *argv != NULL; ++argv) 194 install_dir(*argv); 195 exit(EX_OK); 196 /* NOTREACHED */ 197 } 198 199 no_target = stat(to_name = argv[argc - 1], &to_sb); 200 if (!no_target && S_ISDIR(to_sb.st_mode)) { 201 for (; *argv != to_name; ++argv) 202 install(*argv, to_name, fset, iflags | DIRECTORY); 203 exit(EX_OK); 204 /* NOTREACHED */ 205 } 206 207 /* can't do file1 file2 directory/file */ 208 if (argc != 2) 209 usage(); 210 211 if (!no_target) { 212 if (stat(*argv, &from_sb)) 213 err(EX_OSERR, "%s", *argv); 214 if (!S_ISREG(to_sb.st_mode)) { 215 errno = EFTYPE; 216 err(EX_OSERR, "%s", to_name); 217 } 218 if (to_sb.st_dev == from_sb.st_dev && 219 to_sb.st_ino == from_sb.st_ino) 220 errx(EX_USAGE, 221 "%s and %s are the same file", *argv, to_name); 222 } 223 install(*argv, to_name, fset, iflags); 224 exit(EX_OK); 225 /* NOTREACHED */ 226 } 227 228 u_long 229 numeric_id(const char *name, const char *type) 230 { 231 u_long val; 232 char *ep; 233 234 /* 235 * XXX 236 * We know that uid_t's and gid_t's are unsigned longs. 237 */ 238 errno = 0; 239 val = strtoul(name, &ep, 10); 240 if (errno) 241 err(EX_NOUSER, "%s", name); 242 if (*ep != '\0') 243 errx(EX_NOUSER, "unknown %s %s", type, name); 244 return (val); 245 } 246 247 /* 248 * install -- 249 * build a path name and install the file 250 */ 251 void 252 install(const char *from_name, const char *to_name, u_long fset, u_int flags) 253 { 254 struct stat from_sb, temp_sb, to_sb; 255 struct utimbuf utb; 256 int devnull, files_match, from_fd, serrno, target; 257 int tempcopy, temp_fd, to_fd; 258 char backup[MAXPATHLEN], *p, pathbuf[MAXPATHLEN], tempfile[MAXPATHLEN]; 259 260 files_match = 0; 261 262 /* If try to install NULL file to a directory, fails. */ 263 if (flags & DIRECTORY || strcmp(from_name, _PATH_DEVNULL)) { 264 if (stat(from_name, &from_sb)) 265 err(EX_OSERR, "%s", from_name); 266 if (!S_ISREG(from_sb.st_mode)) { 267 errno = EFTYPE; 268 err(EX_OSERR, "%s", from_name); 269 } 270 /* Build the target path. */ 271 if (flags & DIRECTORY) { 272 (void)snprintf(pathbuf, sizeof(pathbuf), "%s/%s", 273 to_name, 274 (p = strrchr(from_name, '/')) ? ++p : from_name); 275 to_name = pathbuf; 276 } 277 devnull = 0; 278 } else { 279 devnull = 1; 280 } 281 282 target = stat(to_name, &to_sb) == 0; 283 284 /* Only install to regular files. */ 285 if (target && !S_ISREG(to_sb.st_mode)) { 286 errno = EFTYPE; 287 warn("%s", to_name); 288 return; 289 } 290 291 /* Only copy safe if the target exists. */ 292 tempcopy = safecopy && target; 293 294 if (!devnull && (from_fd = open(from_name, O_RDONLY, 0)) < 0) 295 err(EX_OSERR, "%s", from_name); 296 297 /* If we don't strip, we can compare first. */ 298 if (docompare && !dostrip && target) { 299 if ((to_fd = open(to_name, O_RDONLY, 0)) < 0) 300 err(EX_OSERR, "%s", to_name); 301 if (devnull) 302 files_match = to_sb.st_size == 0; 303 else 304 files_match = !(compare(from_fd, from_name, 305 (size_t)from_sb.st_size, to_fd, 306 to_name, (size_t)to_sb.st_size)); 307 308 /* Close "to" file unless we match. */ 309 if (!files_match) 310 (void)close(to_fd); 311 } 312 313 if (!files_match) { 314 if (tempcopy) { 315 to_fd = create_tempfile(to_name, tempfile, 316 sizeof(tempfile)); 317 if (to_fd < 0) 318 err(EX_OSERR, "%s", tempfile); 319 } else { 320 if ((to_fd = create_newfile(to_name, target, 321 &to_sb)) < 0) 322 err(EX_OSERR, "%s", to_name); 323 if (verbose) 324 (void)printf("install: %s -> %s\n", 325 from_name, to_name); 326 } 327 if (!devnull) 328 copy(from_fd, from_name, to_fd, 329 tempcopy ? tempfile : to_name, from_sb.st_size); 330 } 331 332 if (dostrip) { 333 strip(tempcopy ? tempfile : to_name); 334 335 /* 336 * Re-open our fd on the target, in case we used a strip 337 * that does not work in-place -- like GNU binutils strip. 338 */ 339 close(to_fd); 340 to_fd = open(tempcopy ? tempfile : to_name, O_RDONLY, 0); 341 if (to_fd < 0) 342 err(EX_OSERR, "stripping %s", to_name); 343 } 344 345 /* 346 * Compare the stripped temp file with the target. 347 */ 348 if (docompare && dostrip && target) { 349 temp_fd = to_fd; 350 351 /* Re-open to_fd using the real target name. */ 352 if ((to_fd = open(to_name, O_RDONLY, 0)) < 0) 353 err(EX_OSERR, "%s", to_name); 354 355 if (fstat(temp_fd, &temp_sb)) { 356 serrno = errno; 357 (void)unlink(tempfile); 358 errno = serrno; 359 err(EX_OSERR, "%s", tempfile); 360 } 361 362 if (compare(temp_fd, tempfile, (size_t)temp_sb.st_size, to_fd, 363 to_name, (size_t)to_sb.st_size) == 0) { 364 /* 365 * If target has more than one link we need to 366 * replace it in order to snap the extra links. 367 * Need to preserve target file times, though. 368 */ 369 if (to_sb.st_nlink != 1) { 370 utb.actime = to_sb.st_atime; 371 utb.modtime = to_sb.st_mtime; 372 (void)utime(tempfile, &utb); 373 } else { 374 files_match = 1; 375 (void)unlink(tempfile); 376 } 377 (void) close(temp_fd); 378 } 379 } 380 381 /* 382 * Move the new file into place if doing a safe copy 383 * and the files are different (or just not compared). 384 */ 385 if (tempcopy && !files_match) { 386 /* Try to turn off the immutable bits. */ 387 if (to_sb.st_flags & NOCHANGEBITS) 388 (void)chflags(to_name, to_sb.st_flags & ~NOCHANGEBITS); 389 if (dobackup) { 390 if ((size_t)snprintf(backup, MAXPATHLEN, "%s%s", to_name, 391 suffix) != strlen(to_name) + strlen(suffix)) { 392 unlink(tempfile); 393 errx(EX_OSERR, "%s: backup filename too long", 394 to_name); 395 } 396 if (verbose) 397 (void)printf("install: %s -> %s\n", to_name, backup); 398 if (rename(to_name, backup) < 0) { 399 serrno = errno; 400 unlink(tempfile); 401 errno = serrno; 402 err(EX_OSERR, "rename: %s to %s", to_name, 403 backup); 404 } 405 } 406 if (verbose) 407 (void)printf("install: %s -> %s\n", from_name, to_name); 408 if (rename(tempfile, to_name) < 0) { 409 serrno = errno; 410 unlink(tempfile); 411 errno = serrno; 412 err(EX_OSERR, "rename: %s to %s", 413 tempfile, to_name); 414 } 415 416 /* Re-open to_fd so we aren't hosed by the rename(2). */ 417 (void) close(to_fd); 418 if ((to_fd = open(to_name, O_RDONLY, 0)) < 0) 419 err(EX_OSERR, "%s", to_name); 420 } 421 422 /* 423 * Preserve the timestamp of the source file if necessary. 424 */ 425 if (dopreserve && !files_match && !devnull) { 426 utb.actime = from_sb.st_atime; 427 utb.modtime = from_sb.st_mtime; 428 (void)utime(to_name, &utb); 429 } 430 431 if (fstat(to_fd, &to_sb) == -1) { 432 serrno = errno; 433 (void)unlink(to_name); 434 errno = serrno; 435 err(EX_OSERR, "%s", to_name); 436 } 437 438 /* 439 * Set owner, group, mode for target; do the chown first, 440 * chown may lose the setuid bits. 441 */ 442 if ((gid != (gid_t)-1 && gid != to_sb.st_gid) || 443 (uid != (uid_t)-1 && uid != to_sb.st_uid) || 444 (mode != to_sb.st_mode)) { 445 /* Try to turn off the immutable bits. */ 446 if (to_sb.st_flags & NOCHANGEBITS) 447 (void)fchflags(to_fd, to_sb.st_flags & ~NOCHANGEBITS); 448 } 449 450 if ((gid != (gid_t)-1 && gid != to_sb.st_gid) || 451 (uid != (uid_t)-1 && uid != to_sb.st_uid)) 452 if (fchown(to_fd, uid, gid) == -1) { 453 serrno = errno; 454 (void)unlink(to_name); 455 errno = serrno; 456 err(EX_OSERR,"%s: chown/chgrp", to_name); 457 } 458 459 if (mode != to_sb.st_mode) 460 if (fchmod(to_fd, mode)) { 461 serrno = errno; 462 (void)unlink(to_name); 463 errno = serrno; 464 err(EX_OSERR, "%s: chmod", to_name); 465 } 466 467 /* 468 * If provided a set of flags, set them, otherwise, preserve the 469 * flags, except for the dump flag. 470 * NFS does not support flags. Ignore EOPNOTSUPP flags if we're just 471 * trying to turn off UF_NODUMP. If we're trying to set real flags, 472 * then warn if the the fs doesn't support it, otherwise fail. 473 */ 474 if (!devnull && fchflags(to_fd, 475 flags & SETFLAGS ? fset : from_sb.st_flags & ~UF_NODUMP)) { 476 if (flags & SETFLAGS) { 477 if (errno == EOPNOTSUPP) 478 warn("%s: chflags", to_name); 479 else { 480 serrno = errno; 481 (void)unlink(to_name); 482 errno = serrno; 483 err(EX_OSERR, "%s: chflags", to_name); 484 } 485 } 486 } 487 488 (void)close(to_fd); 489 if (!devnull) 490 (void)close(from_fd); 491 } 492 493 /* 494 * compare -- 495 * compare two files; non-zero means files differ 496 */ 497 int 498 compare(int from_fd, const char *from_name __unused, size_t from_len, 499 int to_fd, const char *to_name __unused, size_t to_len) 500 { 501 char *p, *q; 502 int rv; 503 int done_compare; 504 505 rv = 0; 506 if (from_len != to_len) 507 return 1; 508 509 if (from_len <= MAX_CMP_SIZE) { 510 done_compare = 0; 511 if (trymmap(from_fd) && trymmap(to_fd)) { 512 p = mmap(NULL, from_len, PROT_READ, MAP_SHARED, from_fd, (off_t)0); 513 if (p == (char *)MAP_FAILED) 514 goto out; 515 q = mmap(NULL, from_len, PROT_READ, MAP_SHARED, to_fd, (off_t)0); 516 if (q == (char *)MAP_FAILED) { 517 munmap(p, from_len); 518 goto out; 519 } 520 521 rv = memcmp(p, q, from_len); 522 munmap(p, from_len); 523 munmap(q, from_len); 524 done_compare = 1; 525 } 526 out: 527 if (!done_compare) { 528 char buf1[MAXBSIZE]; 529 char buf2[MAXBSIZE]; 530 int n1, n2; 531 532 rv = 0; 533 lseek(from_fd, 0, SEEK_SET); 534 lseek(to_fd, 0, SEEK_SET); 535 while (rv == 0) { 536 n1 = read(from_fd, buf1, sizeof(buf1)); 537 if (n1 == 0) 538 break; /* EOF */ 539 else if (n1 > 0) { 540 n2 = read(to_fd, buf2, n1); 541 if (n2 == n1) 542 rv = memcmp(buf1, buf2, n1); 543 else 544 rv = 1; /* out of sync */ 545 } else 546 rv = 1; /* read failure */ 547 } 548 lseek(from_fd, 0, SEEK_SET); 549 lseek(to_fd, 0, SEEK_SET); 550 } 551 } else 552 rv = 1; /* don't bother in this case */ 553 554 return rv; 555 } 556 557 /* 558 * create_tempfile -- 559 * create a temporary file based on path and open it 560 */ 561 int 562 create_tempfile(const char *path, char *temp, size_t tsize) 563 { 564 char *p; 565 566 (void)strncpy(temp, path, tsize); 567 temp[tsize - 1] = '\0'; 568 if ((p = strrchr(temp, '/')) != NULL) 569 p++; 570 else 571 p = temp; 572 (void)strncpy(p, "INS@XXXX", &temp[tsize - 1] - p); 573 temp[tsize - 1] = '\0'; 574 return (mkstemp(temp)); 575 } 576 577 /* 578 * create_newfile -- 579 * create a new file, overwriting an existing one if necessary 580 */ 581 int 582 create_newfile(const char *path, int target, struct stat *sbp) 583 { 584 char backup[MAXPATHLEN]; 585 586 if (target) { 587 /* 588 * Unlink now... avoid ETXTBSY errors later. Try to turn 589 * off the append/immutable bits -- if we fail, go ahead, 590 * it might work. 591 */ 592 if (sbp->st_flags & NOCHANGEBITS) 593 (void)chflags(path, sbp->st_flags & ~NOCHANGEBITS); 594 595 if (dobackup) { 596 if ((size_t)snprintf(backup, MAXPATHLEN, "%s%s", 597 path, suffix) != strlen(path) + strlen(suffix)) 598 errx(EX_OSERR, "%s: backup filename too long", 599 path); 600 (void)snprintf(backup, MAXPATHLEN, "%s%s", 601 path, suffix); 602 if (verbose) 603 (void)printf("install: %s -> %s\n", 604 path, backup); 605 if (rename(path, backup) < 0) 606 err(EX_OSERR, "rename: %s to %s", path, backup); 607 } else 608 (void)unlink(path); 609 } 610 611 return (open(path, O_CREAT | O_RDWR | O_TRUNC, S_IRUSR | S_IWUSR)); 612 } 613 614 /* 615 * copy -- 616 * copy from one file to another 617 */ 618 void 619 copy(register int from_fd, const char *from_name, register int to_fd, 620 const char *to_name, off_t size) 621 { 622 register int nr, nw; 623 int serrno; 624 char *p, buf[MAXBSIZE]; 625 int done_copy; 626 627 /* Rewind file descriptors. */ 628 if (lseek(from_fd, (off_t)0, SEEK_SET) == (off_t)-1) 629 err(EX_OSERR, "lseek: %s", from_name); 630 if (lseek(to_fd, (off_t)0, SEEK_SET) == (off_t)-1) 631 err(EX_OSERR, "lseek: %s", to_name); 632 633 /* 634 * Mmap and write if less than 8M (the limit is so we don't totally 635 * trash memory on big files. This is really a minor hack, but it 636 * wins some CPU back. 637 */ 638 done_copy = 0; 639 if (size <= 8 * 1048576 && trymmap(from_fd) && 640 (p = mmap(NULL, (size_t)size, PROT_READ, MAP_SHARED, 641 from_fd, (off_t)0)) != (char *)MAP_FAILED) { 642 if ((nw = write(to_fd, p, size)) != size) { 643 serrno = errno; 644 (void)unlink(to_name); 645 errno = nw > 0 ? EIO : serrno; 646 err(EX_OSERR, "%s", to_name); 647 } 648 done_copy = 1; 649 } 650 if (!done_copy) { 651 while ((nr = read(from_fd, buf, sizeof(buf))) > 0) 652 if ((nw = write(to_fd, buf, nr)) != nr) { 653 serrno = errno; 654 (void)unlink(to_name); 655 errno = nw > 0 ? EIO : serrno; 656 err(EX_OSERR, "%s", to_name); 657 } 658 if (nr != 0) { 659 serrno = errno; 660 (void)unlink(to_name); 661 errno = serrno; 662 err(EX_OSERR, "%s", from_name); 663 } 664 } 665 } 666 667 /* 668 * strip -- 669 * use strip(1) to strip the target file 670 */ 671 void 672 strip(const char *to_name) 673 { 674 const char *stripbin; 675 int serrno, status; 676 677 switch (fork()) { 678 case -1: 679 serrno = errno; 680 (void)unlink(to_name); 681 errno = serrno; 682 err(EX_TEMPFAIL, "fork"); 683 case 0: 684 stripbin = getenv("STRIPBIN"); 685 if (stripbin == NULL) 686 stripbin = "strip"; 687 execlp(stripbin, stripbin, to_name, (char *)NULL); 688 err(EX_OSERR, "exec(%s)", stripbin); 689 default: 690 if (wait(&status) == -1 || status) { 691 serrno = errno; 692 (void)unlink(to_name); 693 errc(EX_SOFTWARE, serrno, "wait"); 694 /* NOTREACHED */ 695 } 696 } 697 } 698 699 /* 700 * install_dir -- 701 * build directory heirarchy 702 */ 703 void 704 install_dir(char *path) 705 { 706 register char *p; 707 struct stat sb; 708 int ch; 709 710 for (p = path;; ++p) 711 if (!*p || (p != path && *p == '/')) { 712 ch = *p; 713 *p = '\0'; 714 if (stat(path, &sb)) { 715 if (errno != ENOENT || mkdir(path, 0755) < 0) { 716 err(EX_OSERR, "mkdir %s", path); 717 /* NOTREACHED */ 718 } else if (verbose) 719 (void)printf("install: mkdir %s\n", 720 path); 721 } else if (!S_ISDIR(sb.st_mode)) 722 errx(EX_OSERR, "%s exists but is not a directory", path); 723 if (!(*p = ch)) 724 break; 725 } 726 727 if ((gid != (gid_t)-1 || uid != (uid_t)-1) && chown(path, uid, gid)) 728 warn("chown %u:%u %s", uid, gid, path); 729 if (chmod(path, mode)) 730 warn("chmod %o %s", mode, path); 731 } 732 733 /* 734 * usage -- 735 * print a usage message and die 736 */ 737 void 738 usage(void) 739 { 740 (void)fprintf(stderr, "\ 741 usage: install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]\n\ 742 [-o owner] file1 file2\n\ 743 install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]\n\ 744 [-o owner] file1 ... fileN directory\n\ 745 install -d [-v] [-g group] [-m mode] [-o owner] directory ...\n"); 746 exit(EX_USAGE); 747 /* NOTREACHED */ 748 } 749 750 /* 751 * trymmap -- 752 * return true (1) if mmap should be tried, false (0) if not. 753 */ 754 int 755 trymmap(int fd) 756 { 757 /* 758 * The ifdef is for bootstrapping - f_fstypename doesn't exist in 759 * pre-Lite2-merge systems. 760 */ 761 #ifdef MFSNAMELEN 762 struct statfs stfs; 763 764 if (nommap || fstatfs(fd, &stfs) != 0) 765 return (0); 766 if (strcmp(stfs.f_fstypename, "ufs") == 0 || 767 strcmp(stfs.f_fstypename, "cd9660") == 0) 768 return (1); 769 #endif 770 return (0); 771 } 772