xinstall.c revision 1.56
1 /* $NetBSD: xinstall.c,v 1.56 2001/10/29 00:25:44 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1987, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)xinstall.c 8.1 (Berkeley) 7/21/93"; 45 #else 46 __RCSID("$NetBSD: xinstall.c,v 1.56 2001/10/29 00:25:44 perry Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/wait.h> 52 #include <sys/mman.h> 53 #include <sys/stat.h> 54 55 #include <ctype.h> 56 #include <err.h> 57 #include <errno.h> 58 #include <fcntl.h> 59 #include <grp.h> 60 #include <paths.h> 61 #include <pwd.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <unistd.h> 66 #include <vis.h> 67 68 #include "pathnames.h" 69 #include "stat_flags.h" 70 71 #define STRIP_ARGS_MAX 32 72 #define BACKUP_SUFFIX ".old" 73 74 int dobackup, docopy, dodir, dostrip, dolink, dopreserve, dorename, 75 dounpriv; 76 int numberedbackup; 77 int mode = S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH; 78 char pathbuf[MAXPATHLEN]; 79 uid_t uid; 80 gid_t gid; 81 char *group, *owner, *fflags, *tags; 82 FILE *metafp; 83 char *metafile; 84 u_long fileflags; 85 char *stripArgs; 86 char *suffix = BACKUP_SUFFIX; 87 88 #define LN_ABSOLUTE 0x01 89 #define LN_RELATIVE 0x02 90 #define LN_HARD 0x04 91 #define LN_SYMBOLIC 0x08 92 #define LN_MIXED 0x10 93 94 #define DIRECTORY 0x01 /* Tell install it's a directory. */ 95 #define SETFLAGS 0x02 /* Tell install to set flags. */ 96 #define HASUID 0x04 /* Tell install the uid was given */ 97 #define HASGID 0x08 /* Tell install the gid was given */ 98 99 void backup(const char *); 100 void copy(int, char *, int, char *, off_t); 101 void install(char *, char *, u_int); 102 void install_dir(char *, u_int); 103 int main(int, char *[]); 104 void makelink(char *, char *); 105 int parseid(char *, id_t *); 106 void strip(char *); 107 void metadata_log(const char *, mode_t, u_int, struct timeval *); 108 void usage(void); 109 110 int 111 main(int argc, char *argv[]) 112 { 113 struct stat from_sb, to_sb; 114 void *set; 115 u_int iflags; 116 int ch, no_target; 117 char *p, *to_name; 118 119 setprogname(argv[0]); 120 121 iflags = 0; 122 while ((ch = getopt(argc, argv, "cbB:df:g:l:m:M:o:prsS:T:U")) != -1) 123 switch((char)ch) { 124 case 'B': 125 suffix = optarg; 126 numberedbackup = 0; 127 { 128 /* Check if given suffix really generates 129 different suffixes - catch e.g. ".%" */ 130 char suffix_expanded0[FILENAME_MAX], 131 suffix_expanded1[FILENAME_MAX]; 132 (void)snprintf(suffix_expanded0, FILENAME_MAX, 133 suffix, 0); 134 (void)snprintf(suffix_expanded1, FILENAME_MAX, 135 suffix, 1); 136 if (strcmp(suffix_expanded0, suffix_expanded1) 137 != 0) 138 numberedbackup = 1; 139 } 140 /* fall through; -B implies -b */ 141 case 'b': 142 dobackup = 1; 143 break; 144 case 'c': 145 docopy = 1; 146 break; 147 case 'd': 148 dodir = 1; 149 break; 150 case 'f': 151 fflags = optarg; 152 break; 153 case 'g': 154 group = optarg; 155 break; 156 case 'l': 157 for (p = optarg; *p; p++) 158 switch (*p) { 159 case 's': 160 dolink &= ~(LN_HARD|LN_MIXED); 161 dolink |= LN_SYMBOLIC; 162 break; 163 case 'h': 164 dolink &= ~(LN_SYMBOLIC|LN_MIXED); 165 dolink |= LN_HARD; 166 break; 167 case 'm': 168 dolink &= ~(LN_SYMBOLIC|LN_HARD); 169 dolink |= LN_MIXED; 170 break; 171 case 'a': 172 dolink &= ~LN_RELATIVE; 173 dolink |= LN_ABSOLUTE; 174 break; 175 case 'r': 176 dolink &= ~LN_ABSOLUTE; 177 dolink |= LN_RELATIVE; 178 break; 179 default: 180 errx(1, "%c: invalid link type", *p); 181 break; 182 } 183 break; 184 case 'm': 185 if (!(set = setmode(optarg))) 186 errx(1, "%s: invalid file mode", optarg); 187 mode = getmode(set, 0); 188 free(set); 189 break; 190 case 'M': 191 metafile = optarg; 192 break; 193 case 'o': 194 owner = optarg; 195 break; 196 case 'p': 197 dopreserve = 1; 198 break; 199 case 'r': 200 dorename = 1; 201 break; 202 case 'S': 203 stripArgs = strdup(optarg); 204 if (stripArgs == NULL) 205 errx(1, "%s", strerror(ENOMEM)); 206 /* fall through; -S implies -s */ 207 case 's': 208 dostrip = 1; 209 break; 210 case 'T': 211 tags = optarg; 212 break; 213 case 'U': 214 dounpriv = 1; 215 break; 216 case '?': 217 default: 218 usage(); 219 } 220 argc -= optind; 221 argv += optind; 222 223 /* strip and link options make no sense when creating directories */ 224 if ((dostrip || dolink) && dodir) 225 usage(); 226 227 /* strip and flags make no sense with links */ 228 if ((dostrip || fflags) && dolink) 229 usage(); 230 231 /* must have at least two arguments, except when creating directories */ 232 if (argc < 2 && !dodir) 233 usage(); 234 235 /* get group and owner id's */ 236 if (group && !dounpriv) { 237 struct group *gp; 238 239 if ((gp = getgrnam(group)) != NULL) 240 gid = gp->gr_gid; 241 else if (! parseid(group, &gid)) 242 errx(1, "unknown group %s", group); 243 iflags |= HASGID; 244 } 245 if (owner && !dounpriv) { 246 struct passwd *pp; 247 248 if ((pp = getpwnam(owner)) != NULL) 249 uid = pp->pw_uid; 250 else if (! parseid(owner, &uid)) 251 errx(1, "unknown user %s", owner); 252 iflags |= HASUID; 253 } 254 255 if (fflags && !dounpriv) { 256 if (string_to_flags(&fflags, &fileflags, NULL)) 257 errx(1, "%s: invalid flag", fflags); 258 iflags |= SETFLAGS; 259 } 260 261 if (metafile) { 262 if ((metafp = fopen(metafile, "a")) == NULL) 263 warn("open %s", metafile); 264 } 265 266 if (dodir) { 267 for (; *argv != NULL; ++argv) 268 install_dir(*argv, iflags); 269 exit (0); 270 } 271 272 no_target = stat(to_name = argv[argc - 1], &to_sb); 273 if (!no_target && S_ISDIR(to_sb.st_mode)) { 274 for (; *argv != to_name; ++argv) 275 install(*argv, to_name, iflags | DIRECTORY); 276 exit(0); 277 } 278 279 /* can't do file1 file2 directory/file */ 280 if (argc != 2) 281 usage(); 282 283 if (!no_target) { 284 if (stat(*argv, &from_sb)) 285 err(1, "%s", *argv); 286 if (!S_ISREG(to_sb.st_mode)) 287 errx(1, "%s: not a regular file", to_name); 288 if (!dolink && to_sb.st_dev == from_sb.st_dev && 289 to_sb.st_ino == from_sb.st_ino) 290 errx(1, "%s and %s are the same file", *argv, to_name); 291 /* 292 * Unlink now... avoid ETXTBSY errors later. Try and turn 293 * off the append/immutable bits -- if we fail, go ahead, 294 * it might work. 295 */ 296 #define NOCHANGEBITS (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND) 297 if (to_sb.st_flags & NOCHANGEBITS) 298 (void)chflags(to_name, 299 to_sb.st_flags & ~(NOCHANGEBITS)); 300 if (dobackup) 301 backup(to_name); 302 else if (!dorename) 303 (void)unlink(to_name); 304 } 305 install(*argv, to_name, iflags); 306 exit(0); 307 } 308 309 /* 310 * parseid -- 311 * parse uid or gid from arg into id, returning non-zero if successful 312 */ 313 int 314 parseid(char *name, id_t *id) 315 { 316 char *ep; 317 318 errno = 0; 319 *id = (id_t)strtoul(name, &ep, 10); 320 if (errno || *ep != '\0') 321 return (0); 322 return (1); 323 } 324 325 /* 326 * makelink -- 327 * make a link from source to destination 328 */ 329 void 330 makelink(char *from_name, char *to_name) 331 { 332 char src[MAXPATHLEN], dst[MAXPATHLEN], lnk[MAXPATHLEN]; 333 334 /* Try hard links first */ 335 if (dolink & (LN_HARD|LN_MIXED)) { 336 if (link(from_name, to_name) == -1) { 337 if ((dolink & LN_HARD) || errno != EXDEV) 338 err(1, "link %s -> %s", from_name, to_name); 339 } 340 else 341 return; 342 } 343 344 /* Symbolic links */ 345 if (dolink & LN_ABSOLUTE) { 346 /* Convert source path to absolute */ 347 if (realpath(from_name, src) == NULL) 348 err(1, "%s", src); 349 if (symlink(src, to_name) == -1) 350 err(1, "symlink %s -> %s", src, to_name); 351 return; 352 } 353 354 if (dolink & LN_RELATIVE) { 355 char *s, *d; 356 357 /* Resolve pathnames */ 358 if (realpath(from_name, src) == NULL) 359 err(1, "%s", src); 360 if (realpath(to_name, dst) == NULL) 361 err(1, "%s", dst); 362 363 /* trim common path components */ 364 for (s = src, d = dst; *s == *d; s++, d++) 365 continue; 366 while (*s != '/') 367 s--, d--; 368 369 /* count the number of directories we need to backtrack */ 370 for (++d, lnk[0] = '\0'; *d; d++) 371 if (*d == '/') 372 (void) strcat(lnk, "../"); 373 374 (void) strcat(lnk, ++s); 375 376 if (symlink(lnk, dst) == -1) 377 err(1, "symlink %s -> %s", lnk, dst); 378 return; 379 } 380 381 /* 382 * If absolute or relative was not specified, 383 * try the names the user provided 384 */ 385 if (symlink(from_name, to_name) == -1) 386 err(1, "symlink %s -> %s", from_name, to_name); 387 388 } 389 390 /* 391 * install -- 392 * build a path name and install the file 393 */ 394 void 395 install(char *from_name, char *to_name, u_int flags) 396 { 397 struct stat from_sb, to_sb; 398 struct timeval tv[2]; 399 int devnull, from_fd, to_fd, serrno; 400 char *p, tmpl[MAXPATHLEN], *oto_name; 401 402 if (flags & DIRECTORY || strcmp(from_name, _PATH_DEVNULL)) { 403 if (!dolink) { 404 if (stat(from_name, &from_sb)) 405 err(1, "%s", from_name); 406 if (!S_ISREG(from_sb.st_mode)) 407 errx(1, "%s: not a regular file", from_name); 408 } 409 /* Build the target path. */ 410 if (flags & DIRECTORY) { 411 (void)snprintf(pathbuf, sizeof(pathbuf), "%s/%s", 412 to_name, 413 (p = strrchr(from_name, '/')) ? ++p : from_name); 414 to_name = pathbuf; 415 } 416 devnull = 0; 417 } else { 418 from_sb.st_flags = 0; /* XXX */ 419 devnull = 1; 420 } 421 422 /* 423 * Unlink now... avoid ETXTBSY errors later. Try and turn 424 * off the append/immutable bits -- if we fail, go ahead, 425 * it might work. 426 */ 427 if (stat(to_name, &to_sb) == 0 && 428 to_sb.st_flags & (NOCHANGEBITS)) 429 (void)chflags(to_name, to_sb.st_flags & ~(NOCHANGEBITS)); 430 if (dorename) { 431 char *ptr, c, *dir; 432 433 if ((ptr = strrchr(to_name, '/')) != NULL) { 434 c = *++ptr; 435 *ptr = '\0'; 436 dir = to_name; 437 } else { 438 c = '\0'; /* pacify gcc */ 439 dir = tmpl; 440 *dir = '\0'; 441 } 442 (void)snprintf(tmpl, sizeof(tmpl), "%sinst.XXXXXX", dir); 443 if (ptr) 444 *ptr = c; 445 oto_name = to_name; 446 to_name = tmpl; 447 448 } else { 449 oto_name = NULL; /* pacify gcc */ 450 if (dobackup) 451 backup(to_name); 452 else 453 (void)unlink(to_name); 454 } 455 456 if (dolink) { 457 makelink(from_name, to_name); 458 return; 459 } 460 461 /* Create target. */ 462 if (dorename) { 463 if ((to_fd = mkstemp(to_name)) == -1) 464 err(1, "%s", to_name); 465 } else { 466 if ((to_fd = open(to_name, 467 O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR)) < 0) 468 err(1, "%s", to_name); 469 } 470 if (!devnull) { 471 if ((from_fd = open(from_name, O_RDONLY, 0)) < 0) { 472 (void)unlink(to_name); 473 err(1, "%s", from_name); 474 } 475 copy(from_fd, from_name, to_fd, to_name, from_sb.st_size); 476 (void)close(from_fd); 477 } 478 479 if (dostrip) { 480 strip(to_name); 481 482 /* 483 * Re-open our fd on the target, in case we used a strip 484 * that does not work in-place -- like gnu binutils strip. 485 */ 486 close(to_fd); 487 if ((to_fd = open(to_name, O_RDONLY, S_IRUSR | S_IWUSR)) < 0) 488 err(1, "stripping %s", to_name); 489 } 490 491 /* 492 * Set owner, group, mode for target; do the chown first, 493 * chown may lose the setuid bits. 494 */ 495 if (!dounpriv && 496 (flags & (HASUID | HASGID)) && fchown(to_fd, uid, gid) == -1) { 497 serrno = errno; 498 (void)unlink(to_name); 499 errx(1, "%s: chown/chgrp: %s", to_name, strerror(serrno)); 500 } 501 if (!dounpriv && fchmod(to_fd, mode) == -1) { 502 serrno = errno; 503 (void)unlink(to_name); 504 errx(1, "%s: chmod: %s", to_name, strerror(serrno)); 505 } 506 507 /* 508 * Preserve the date of the source file. 509 */ 510 if (dopreserve) { 511 #ifdef BSD4_4 512 TIMESPEC_TO_TIMEVAL(&tv[0], &from_sb.st_atimespec); 513 TIMESPEC_TO_TIMEVAL(&tv[1], &from_sb.st_mtimespec); 514 #else 515 tv[0].tv_sec = from_sb.st_atime; 516 tv[0].tv_usec = 0; 517 tv[1].tv_sec = from_sb.st_mtime; 518 tv[1].tv_usec = 0; 519 #endif 520 if (!dounpriv && futimes(to_fd, tv) == -1) 521 warn("%s: futimes", to_name); 522 } 523 524 (void)close(to_fd); 525 526 if (dorename) { 527 if (rename(to_name, oto_name) == -1) 528 err(1, "%s: rename", to_name); 529 to_name = oto_name; 530 } 531 532 if (!docopy && !devnull && unlink(from_name)) 533 err(1, "%s", from_name); 534 535 /* 536 * If provided a set of flags, set them, otherwise, preserve the 537 * flags, except for the dump flag. 538 */ 539 if (!dounpriv && chflags(to_name, 540 flags & SETFLAGS ? fileflags : from_sb.st_flags & ~UF_NODUMP) == -1) 541 { 542 if (errno != EOPNOTSUPP || (from_sb.st_flags & ~UF_NODUMP) != 0) 543 warn("%s: chflags", to_name); 544 } 545 546 metadata_log(to_name, S_IFREG, flags, dopreserve ? tv : NULL); 547 } 548 549 /* 550 * copy -- 551 * copy from one file to another 552 */ 553 void 554 copy(int from_fd, char *from_name, int to_fd, char *to_name, off_t size) 555 { 556 ssize_t nr, nw; 557 int serrno; 558 char *p; 559 char buf[MAXBSIZE]; 560 561 /* 562 * There's no reason to do anything other than close the file 563 * now if it's empty, so let's not bother. 564 */ 565 if (size > 0) { 566 567 /* 568 * Mmap and write if less than 8M (the limit is so we 569 * don't totally trash memory on big files). This is 570 * really a minor hack, but it wins some CPU back. 571 */ 572 573 if (size <= 8 * 1048576) { 574 if ((p = mmap(NULL, (size_t)size, PROT_READ, 575 MAP_FILE|MAP_SHARED, from_fd, (off_t)0)) 576 == MAP_FAILED) { 577 goto mmap_failed; 578 } 579 #ifdef MADV_SEQUENTIAL 580 if (madvise(p, (size_t)size, MADV_SEQUENTIAL) == -1 581 && errno != EOPNOTSUPP) 582 warnx("madvise: %s", strerror(errno)); 583 #endif 584 585 if (write(to_fd, p, size) != size) { 586 serrno = errno; 587 (void)unlink(to_name); 588 errx(1, "%s: %s", 589 to_name, strerror(serrno)); 590 } 591 } else { 592 mmap_failed: 593 while ((nr = read(from_fd, buf, sizeof(buf))) > 0) { 594 if ((nw = write(to_fd, buf, nr)) != nr) { 595 serrno = errno; 596 (void)unlink(to_name); 597 errx(1, "%s: %s", to_name, 598 strerror(nw > 0 ? EIO : serrno)); 599 } 600 } 601 if (nr != 0) { 602 serrno = errno; 603 (void)unlink(to_name); 604 errx(1, "%s: %s", from_name, strerror(serrno)); 605 } 606 } 607 } 608 } 609 610 /* 611 * strip -- 612 * use strip(1) to strip the target file 613 */ 614 void 615 strip(char *to_name) 616 { 617 int serrno, status; 618 char *stripprog; 619 620 switch (vfork()) { 621 case -1: 622 serrno = errno; 623 (void)unlink(to_name); 624 errx(1, "vfork: %s", strerror(serrno)); 625 case 0: 626 stripprog = getenv("STRIP"); 627 if (stripprog == NULL) 628 stripprog = _PATH_STRIP; 629 630 if (stripArgs) { 631 /* 632 * build up a command line and let /bin/sh 633 * parse the arguments 634 */ 635 char* cmd = (char*)malloc(sizeof(char)* 636 (3+strlen(stripprog)+ 637 strlen(stripArgs)+ 638 strlen(to_name))); 639 640 if (cmd == NULL) 641 errx(1, "%s", strerror(ENOMEM)); 642 643 sprintf(cmd, "%s %s %s", stripprog, stripArgs, to_name); 644 645 execl(_PATH_BSHELL, "sh", "-c", cmd, NULL); 646 } else 647 execlp(stripprog, "strip", to_name, NULL); 648 649 warn("%s", stripprog); 650 _exit(1); 651 default: 652 if (wait(&status) == -1 || status) 653 (void)unlink(to_name); 654 } 655 } 656 657 /* 658 * backup file "to_name" to to_name.suffix 659 * if suffix contains a "%", it's taken as a printf(3) pattern 660 * used for a numbered backup. 661 */ 662 void 663 backup(const char *to_name) 664 { 665 char backup[FILENAME_MAX]; 666 667 if (numberedbackup) { 668 /* Do numbered backup */ 669 int cnt; 670 char suffix_expanded[FILENAME_MAX]; 671 672 cnt=0; 673 do { 674 (void)snprintf(suffix_expanded, FILENAME_MAX, suffix, 675 cnt); 676 (void)snprintf(backup, FILENAME_MAX, "%s%s", 677 to_name, suffix_expanded); 678 cnt++; 679 } while (access(backup, F_OK)==0); 680 } else { 681 /* Do simple backup */ 682 (void)snprintf(backup, FILENAME_MAX, "%s%s", to_name, suffix); 683 } 684 685 (void)rename(to_name, backup); 686 } 687 688 /* 689 * install_dir -- 690 * build directory hierarchy 691 */ 692 void 693 install_dir(char *path, u_int flags) 694 { 695 char *p; 696 struct stat sb; 697 int ch; 698 699 for (p = path;; ++p) 700 if (!*p || (p != path && *p == '/')) { 701 ch = *p; 702 *p = '\0'; 703 if (stat(path, &sb)) { 704 if (errno != ENOENT || mkdir(path, 0777) < 0) { 705 err(1, "%s", path); 706 /* NOTREACHED */ 707 } 708 } 709 if (!(*p = ch)) 710 break; 711 } 712 713 if (!dounpriv && ( 714 ((flags & (HASUID | HASGID)) && chown(path, uid, gid) == -1) 715 || chmod(path, mode) == -1 )) { 716 warn("%s", path); 717 } 718 metadata_log(path, S_IFDIR, flags & ~SETFLAGS, NULL); 719 } 720 721 /* 722 * metadata_log -- 723 * if metafp is not NULL, output mtree(8) full path name and settings to 724 * metafp, to allow permissions to be set correctly by other tools. 725 */ 726 void 727 metadata_log(const char *path, mode_t type, u_int flags, struct timeval *tv) 728 { 729 const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' }; 730 char *buf; 731 732 if (!metafp) 733 return; 734 buf = (char *)malloc(4 * strlen(path) + 1); /* buf for strsvis(3) */ 735 if (buf == NULL) { 736 warnx("%s", strerror(ENOMEM)); 737 return; 738 } 739 if (flock(fileno(metafp), LOCK_EX) == -1) { /* lock log file */ 740 warn("can't lock %s", metafile); 741 return; 742 } 743 744 strsvis(buf, path, VIS_CSTYLE, extra); /* encode name */ 745 fprintf(metafp, ".%s%s type=%s mode=%#o", /* print details */ 746 buf[0] == '/' ? "" : "/", buf, 747 S_ISDIR(type) ? "dir" : "file", mode); 748 if (owner) 749 fprintf(metafp, " uname=%s", owner); 750 if (group) 751 fprintf(metafp, " gname=%s", group); 752 if (fflags) 753 fprintf(metafp, " flags=%s", fflags); 754 if (tags) 755 fprintf(metafp, " tags=%s", tags); 756 if (tv != NULL) 757 fprintf(metafp, " time=%ld.%ld", tv[1].tv_sec, tv[1].tv_usec); 758 fputc('\n', metafp); 759 fflush(metafp); /* flush output */ 760 if (flock(fileno(metafp), LOCK_UN) == -1) { /* unlock log file */ 761 warn("can't unlock %s", metafile); 762 } 763 free(buf); 764 } 765 766 767 768 /* 769 * usage -- 770 * print a usage message and die 771 */ 772 void 773 usage(void) 774 { 775 776 (void)fprintf(stderr, "\ 777 usage: install [-Ubcprs] [-M log] [-T tags] [-B suffix] [-f flags] [-m mode]\n\ 778 [-o owner] [-g group] [-l linkflags] [-S stripflags] file1 file2\n\ 779 install [-Ubcprs] [-M log] [-T tags] [-B suffix] [-f flags] [-m mode]\n\ 780 [-o owner] [-g group] [-l linkflags] [-S stripflags]\n\ 781 file1 ... fileN directory\n\ 782 install [-Up] [-M log] [-T tags] -d [-m mode]\n\ 783 [-o owner] [-g group] directory ...\n"); 784 exit(1); 785 } 786
Indexes created Sat Sep 27 22:09:54 GMT 2025