xref: /openbsd/sbin/restore/dirs.c (revision da5362d5)
1 /*	$OpenBSD: dirs.c,v 1.43 2024/01/09 03:16:00 guenther Exp $	*/
2 /*	$NetBSD: dirs.c,v 1.26 1997/07/01 05:37:49 lukem Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  * (c) UNIX System Laboratories, Inc.
8  * All or some portions of this file are derived from material licensed
9  * to the University of California by American Telephone and Telegraph
10  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11  * the permission of UNIX System Laboratories, Inc.
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. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 #include <sys/stat.h>
39 #include <sys/time.h>
40 
41 #include <ufs/ffs/fs.h>
42 #include <ufs/ufs/dinode.h>
43 #include <ufs/ufs/dir.h>
44 #include <protocols/dumprestore.h>
45 
46 #include <endian.h>
47 #include <err.h>
48 #include <errno.h>
49 #include <fcntl.h>
50 #include <paths.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <unistd.h>
55 #include <limits.h>
56 
57 #include "restore.h"
58 #include "extern.h"
59 
60 /*
61  * Symbol table of directories read from tape.
62  */
63 #define HASHSIZE	1000
64 #define INOHASH(val) (val % HASHSIZE)
65 struct inotab {
66 	struct	inotab *t_next;
67 	ino_t	t_ino;
68 	int32_t	t_seekpt;
69 	int32_t	t_size;
70 };
71 static struct inotab *inotab[HASHSIZE];
72 
73 /*
74  * Information retained about directories.
75  */
76 struct modeinfo {
77 	ino_t ino;
78 	struct timespec ctimep[2];
79 	struct timespec mtimep[2];
80 	mode_t mode;
81 	uid_t uid;
82 	gid_t gid;
83 	u_int flags;
84 };
85 
86 /*
87  * Definitions for library routines operating on directories.
88  */
89 #undef DIRBLKSIZ
90 #define DIRBLKSIZ 1024
91 struct rstdirdesc {
92 	int	dd_fd;
93 	int32_t	dd_loc;
94 	int32_t	dd_size;
95 	char	dd_buf[DIRBLKSIZ];
96 };
97 
98 /*
99  * Global variables for this file.
100  */
101 static long	seekpt;
102 static FILE	*df, *mf;
103 static RST_DIR	*dirp;
104 static char	dirfile[PATH_MAX] = "#";	/* No file */
105 static char	modefile[PATH_MAX] = "#";	/* No file */
106 static char	dot[2] = ".";			/* So it can be modified */
107 
108 /*
109  * Format of old style directories.
110  */
111 #define ODIRSIZ 14
112 struct odirect {
113 	u_short	d_ino;
114 	char	d_name[ODIRSIZ];
115 };
116 
117 static struct inotab	*allocinotab(FILE *, struct context *, long);
118 static void		 dcvt(struct odirect *, struct direct *);
119 static void		 flushent(void);
120 static struct inotab	*inotablookup(ino_t);
121 static RST_DIR		*opendirfile(const char *);
122 static void		 putdir(char *, size_t);
123 static void		 putent(struct direct *);
124 static void		 rst_seekdir(RST_DIR *, long, long);
125 static long		 rst_telldir(RST_DIR *);
126 static struct direct	*searchdir(ino_t, char *);
127 
128 /*
129  *	Extract directory contents, building up a directory structure
130  *	on disk for extraction by name.
131  *	If genmode is requested, save mode, owner, and times for all
132  *	directories on the tape.
133  */
134 void
extractdirs(int genmode)135 extractdirs(int genmode)
136 {
137 	int i;
138 	struct inotab *itp;
139 	struct direct nulldir;
140 	int fd;
141 
142 	Vprintf(stdout, "Extract directories from tape\n");
143 	(void)snprintf(dirfile, sizeof(dirfile), "%s/rstdir%lld", tmpdir,
144 	    (long long)dumpdate);
145 	if (command != 'r' && command != 'R') {
146 		strlcat(dirfile, "-XXXXXXXXXX", sizeof(dirfile));
147 		fd = mkstemp(dirfile);
148 	} else
149 		fd = open(dirfile, O_RDWR|O_CREAT|O_EXCL, 0666);
150 	if (fd == -1 || (df = fdopen(fd, "w")) == NULL) {
151 		int saved_errno = errno;
152 		if (fd != -1)
153 			close(fd);
154 		errc(1, saved_errno,
155 		    "cannot create directory temporary %s", dirfile);
156 	}
157 	if (genmode != 0) {
158 		(void)snprintf(modefile, sizeof(modefile), "%s/rstmode%lld",
159 		    tmpdir, (long long)dumpdate);
160 		if (command != 'r' && command != 'R') {
161 			strlcat(modefile, "-XXXXXXXXXX", sizeof(modefile));
162 			fd = mkstemp(modefile);
163 		} else
164 			fd = open(modefile, O_RDWR|O_CREAT|O_EXCL, 0666);
165 		if (fd == -1 || (mf = fdopen(fd, "w")) == NULL) {
166 			int saved_errno = errno;
167 			if (fd != -1)
168 				close(fd);
169 			errc(1, saved_errno,
170 			    "cannot create modefile %s", modefile);
171 		}
172 	}
173 	nulldir.d_ino = 0;
174 	nulldir.d_type = DT_DIR;
175 	nulldir.d_namlen = 1;
176 	nulldir.d_name[0] = '/';
177 	nulldir.d_name[1] = '\0';
178 	nulldir.d_reclen = DIRSIZ(&nulldir);
179 	for (;;) {
180 		curfile.name = "<directory file - name unknown>";
181 		curfile.action = USING;
182 		if (curfile.mode == 0 || (curfile.mode & IFMT) != IFDIR) {
183 			(void)fclose(df);
184 			dirp = opendirfile(dirfile);
185 			if (dirp == NULL)
186 				warn("opendirfile");
187 			if (mf != NULL)
188 				(void)fclose(mf);
189 			i = dirlookup(dot);
190 			if (i == 0)
191 				panic("Root directory is not on tape\n");
192 			return;
193 		}
194 		itp = allocinotab(mf, &curfile, seekpt);
195 		getfile(putdir, xtrnull);
196 		putent(&nulldir);
197 		flushent();
198 		itp->t_size = seekpt - itp->t_seekpt;
199 	}
200 }
201 
202 /*
203  * skip over all the directories on the tape
204  */
205 void
skipdirs(void)206 skipdirs(void)
207 {
208 
209 	while (curfile.ino && (curfile.mode & IFMT) == IFDIR) {
210 		skipfile();
211 	}
212 }
213 
214 /*
215  *	Recursively find names and inumbers of all files in subtree
216  *	pname and pass them off to be processed.
217  */
218 void
treescan(char * pname,ino_t ino,long (* todo)(char *,ino_t,int))219 treescan(char *pname, ino_t ino, long (*todo)(char *, ino_t, int))
220 {
221 	struct inotab *itp;
222 	struct direct *dp;
223 	size_t namelen;
224 	long bpt;
225 	char locname[PATH_MAX + 1];
226 
227 	itp = inotablookup(ino);
228 	if (itp == NULL) {
229 		/*
230 		 * Pname is name of a simple file or an unchanged directory.
231 		 */
232 		(void)(*todo)(pname, ino, LEAF);
233 		return;
234 	}
235 	/*
236 	 * Pname is a dumped directory name.
237 	 */
238 	if ((*todo)(pname, ino, NODE) == FAIL)
239 		return;
240 	/*
241 	 * begin search through the directory
242 	 * skipping over "." and ".."
243 	 */
244 	namelen = strlcpy(locname, pname, sizeof(locname));
245 	if (namelen >= sizeof(locname) - 1)
246 		namelen = sizeof(locname) - 2;
247 	locname[namelen++] = '/';
248 	locname[namelen] = '\0';
249 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
250 	dp = rst_readdir(dirp); /* "." */
251 	if (dp != NULL && strcmp(dp->d_name, ".") == 0)
252 		dp = rst_readdir(dirp); /* ".." */
253 	else
254 		fprintf(stderr, "Warning: `.' missing from directory %s\n",
255 			pname);
256 	if (dp != NULL && strcmp(dp->d_name, "..") == 0)
257 		dp = rst_readdir(dirp); /* first real entry */
258 	else
259 		fprintf(stderr, "Warning: `..' missing from directory %s\n",
260 			pname);
261 	bpt = rst_telldir(dirp);
262 	/*
263 	 * a zero inode signals end of directory
264 	 */
265 	while (dp != NULL) {
266 		locname[namelen] = '\0';
267 		if (namelen + dp->d_namlen >= sizeof(locname)) {
268 			fprintf(stderr, "%s%s: name exceeds %zd char\n",
269 				locname, dp->d_name, sizeof(locname) - 1);
270 		} else {
271 			(void)strlcat(locname, dp->d_name, sizeof(locname));
272 			treescan(locname, dp->d_ino, todo);
273 			rst_seekdir(dirp, bpt, itp->t_seekpt);
274 		}
275 		dp = rst_readdir(dirp);
276 		bpt = rst_telldir(dirp);
277 	}
278 }
279 
280 /*
281  * Lookup a pathname which is always assumed to start from the ROOTINO.
282  */
283 struct direct *
pathsearch(const char * pathname)284 pathsearch(const char *pathname)
285 {
286 	ino_t ino;
287 	struct direct *dp;
288 	char *path, *name, buffer[PATH_MAX];
289 
290 	strlcpy(buffer, pathname, sizeof buffer);
291 	path = buffer;
292 	ino = ROOTINO;
293 	while (*path == '/')
294 		path++;
295 	dp = NULL;
296 	while ((name = strsep(&path, "/")) != NULL && *name != '\0') {
297 		if ((dp = searchdir(ino, name)) == NULL)
298 			return (NULL);
299 		ino = dp->d_ino;
300 	}
301 	return (dp);
302 }
303 
304 /*
305  * Lookup the requested name in directory inum.
306  * Return its inode number if found, zero if it does not exist.
307  */
308 static struct direct *
searchdir(ino_t inum,char * name)309 searchdir(ino_t inum, char *name)
310 {
311 	struct direct *dp;
312 	struct inotab *itp;
313 	int len;
314 
315 	itp = inotablookup(inum);
316 	if (itp == NULL)
317 		return (NULL);
318 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
319 	len = strlen(name);
320 	do {
321 		dp = rst_readdir(dirp);
322 		if (dp == NULL)
323 			return (NULL);
324 	} while (dp->d_namlen != len || strncmp(dp->d_name, name, len) != 0);
325 	return (dp);
326 }
327 
328 /*
329  * Put the directory entries in the directory file
330  */
331 static void
putdir(char * buf,size_t size)332 putdir(char *buf, size_t size)
333 {
334 	struct direct cvtbuf;
335 	struct odirect *odp;
336 	struct odirect *eodp;
337 	struct direct *dp;
338 	size_t loc, i;
339 
340 	if (cvtflag) {
341 		eodp = (struct odirect *)&buf[size];
342 		for (odp = (struct odirect *)buf; odp < eodp; odp++)
343 			if (odp->d_ino != 0) {
344 				dcvt(odp, &cvtbuf);
345 				putent(&cvtbuf);
346 			}
347 	} else {
348 		for (loc = 0; loc < size; ) {
349 			dp = (struct direct *)(buf + loc);
350 			if (Bcvt) {
351 				dp->d_ino = swap32(dp->d_ino);
352 				dp->d_reclen = swap16(dp->d_reclen);
353 			}
354 			if (oldinofmt && dp->d_ino != 0) {
355 #				if BYTE_ORDER == BIG_ENDIAN
356 					if (Bcvt)
357 						dp->d_namlen = dp->d_type;
358 #				else
359 					if (!Bcvt)
360 						dp->d_namlen = dp->d_type;
361 #				endif
362 				dp->d_type = DT_UNKNOWN;
363 			}
364 			i = DIRBLKSIZ - (loc & (DIRBLKSIZ - 1));
365 			if ((dp->d_reclen & 0x3) != 0 ||
366 			    dp->d_reclen > i ||
367 			    dp->d_reclen < DIRSIZ(dp) ||
368 			    dp->d_namlen > NAME_MAX) {
369 				Vprintf(stdout, "Mangled directory: ");
370 				if ((dp->d_reclen & 0x3) != 0)
371 					Vprintf(stdout,
372 					   "reclen not multiple of 4 ");
373 				if (dp->d_reclen < DIRSIZ(dp))
374 					Vprintf(stdout,
375 					   "reclen less than DIRSIZ (%u < %u) ",
376 					   (unsigned)dp->d_reclen,
377 					   (unsigned)DIRSIZ(dp));
378 				if (dp->d_namlen > NAME_MAX)
379 					Vprintf(stdout,
380 					   "reclen name too big (%u > %u) ",
381 					   (unsigned)dp->d_namlen, NAME_MAX);
382 				Vprintf(stdout, "\n");
383 				loc += i;
384 				continue;
385 			}
386 			loc += dp->d_reclen;
387 			if (dp->d_ino != 0) {
388 				putent(dp);
389 			}
390 		}
391 	}
392 }
393 
394 /*
395  * These variables are "local" to the following two functions.
396  */
397 char dirbuf[DIRBLKSIZ];
398 long dirloc = 0;
399 long prev = 0;
400 
401 /*
402  * add a new directory entry to a file.
403  */
404 static void
putent(struct direct * dp)405 putent(struct direct *dp)
406 {
407 	dp->d_reclen = DIRSIZ(dp);
408 	if (dirloc + dp->d_reclen > DIRBLKSIZ) {
409 		((struct direct *)(dirbuf + prev))->d_reclen =
410 		    DIRBLKSIZ - prev;
411 		(void)fwrite(dirbuf, 1, DIRBLKSIZ, df);
412 		dirloc = 0;
413 	}
414 	memcpy(dirbuf + dirloc, dp, dp->d_reclen);
415 	prev = dirloc;
416 	dirloc += dp->d_reclen;
417 }
418 
419 /*
420  * flush out a directory that is finished.
421  */
422 static void
flushent(void)423 flushent(void)
424 {
425 	((struct direct *)(dirbuf + prev))->d_reclen = DIRBLKSIZ - prev;
426 	(void)fwrite(dirbuf, dirloc, 1, df);
427 	seekpt = ftell(df);
428 	dirloc = 0;
429 }
430 
431 static void
dcvt(struct odirect * odp,struct direct * ndp)432 dcvt(struct odirect *odp, struct direct *ndp)
433 {
434 
435 	memset(ndp, 0, sizeof *ndp);
436 	if (Bcvt)
437 	    ndp->d_ino = swap16(odp->d_ino);
438 	else
439 	    ndp->d_ino = odp->d_ino;
440 	ndp->d_type = DT_UNKNOWN;
441 	(void)strncpy(ndp->d_name, odp->d_name, ODIRSIZ);
442 	ndp->d_namlen = strlen(ndp->d_name);
443 	ndp->d_reclen = DIRSIZ(ndp);
444 }
445 
446 /*
447  * Seek to an entry in a directory.
448  * Only values returned by rst_telldir should be passed to rst_seekdir.
449  * This routine handles many directories in a single file.
450  * It takes the base of the directory in the file, plus
451  * the desired seek offset into it.
452  */
453 static void
rst_seekdir(RST_DIR * dirp,long loc,long base)454 rst_seekdir(RST_DIR *dirp, long loc, long base)
455 {
456 
457 	if (loc == rst_telldir(dirp))
458 		return;
459 	loc -= base;
460 	if (loc < 0)
461 		fprintf(stderr, "bad seek pointer to rst_seekdir %ld\n", loc);
462 	(void)lseek(dirp->dd_fd, base + (loc & ~(DIRBLKSIZ - 1)), SEEK_SET);
463 	dirp->dd_loc = loc & (DIRBLKSIZ - 1);
464 	if (dirp->dd_loc != 0)
465 		dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ);
466 }
467 
468 /*
469  * get next entry in a directory.
470  */
471 struct direct *
rst_readdir(RST_DIR * dirp)472 rst_readdir(RST_DIR *dirp)
473 {
474 	struct direct *dp;
475 
476 	for (;;) {
477 		if (dirp->dd_loc == 0) {
478 			dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf,
479 			    DIRBLKSIZ);
480 			if (dirp->dd_size <= 0) {
481 				Dprintf(stderr, "error reading directory\n");
482 				return (NULL);
483 			}
484 		}
485 		if (dirp->dd_loc >= dirp->dd_size) {
486 			dirp->dd_loc = 0;
487 			continue;
488 		}
489 		dp = (struct direct *)(dirp->dd_buf + dirp->dd_loc);
490 		if (dp->d_reclen == 0 ||
491 		    dp->d_reclen > DIRBLKSIZ + 1 - dirp->dd_loc) {
492 			Dprintf(stderr, "corrupted directory: bad reclen %d\n",
493 				dp->d_reclen);
494 			return (NULL);
495 		}
496 		dirp->dd_loc += dp->d_reclen;
497 		if (dp->d_ino == 0 && strcmp(dp->d_name, "/") == 0)
498 			return (NULL);
499 		if (dp->d_ino >= maxino) {
500 			Dprintf(stderr, "corrupted directory: bad inum %llu\n",
501 			    (unsigned long long)dp->d_ino);
502 			continue;
503 		}
504 		return (dp);
505 	}
506 }
507 
508 /*
509  * Simulate the opening of a directory
510  */
511 RST_DIR *
rst_opendir(const char * name)512 rst_opendir(const char *name)
513 {
514 	struct inotab *itp;
515 	RST_DIR *dirp;
516 	ino_t ino;
517 
518 	if ((ino = dirlookup(name)) > 0 &&
519 	    (itp = inotablookup(ino)) != NULL) {
520 		dirp = opendirfile(dirfile);
521 		rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
522 		return (dirp);
523 	}
524 	return (NULL);
525 }
526 
527 /*
528  * In our case, there is nothing to do when closing a directory.
529  */
530 void
rst_closedir(RST_DIR * dirp)531 rst_closedir(RST_DIR *dirp)
532 {
533 	(void)close(dirp->dd_fd);
534 	free(dirp);
535 	return;
536 }
537 
538 /*
539  * Simulate finding the current offset in the directory.
540  */
541 static long
rst_telldir(RST_DIR * dirp)542 rst_telldir(RST_DIR *dirp)
543 {
544 	return ((long)lseek(dirp->dd_fd,
545 	    (off_t)0, SEEK_CUR) - dirp->dd_size + dirp->dd_loc);
546 }
547 
548 /*
549  * Open a directory file.
550  */
551 static RST_DIR *
opendirfile(const char * name)552 opendirfile(const char *name)
553 {
554 	RST_DIR *dirp;
555 	int fd;
556 
557 	if ((fd = open(name, O_RDONLY)) == -1)
558 		return (NULL);
559 	if ((dirp = malloc(sizeof(RST_DIR))) == NULL) {
560 		(void)close(fd);
561 		return (NULL);
562 	}
563 	dirp->dd_fd = fd;
564 	dirp->dd_loc = 0;
565 	return (dirp);
566 }
567 
568 /*
569  * Set the mode, owner, and times for all new or changed directories
570  */
571 void
setdirmodes(int flags)572 setdirmodes(int flags)
573 {
574 	FILE *mf;
575 	struct modeinfo node;
576 	struct entry *ep;
577 	char *cp;
578 
579 	Vprintf(stdout, "Set directory mode, owner, and times.\n");
580 	if (command == 'r' || command == 'R')
581 		(void)snprintf(modefile, sizeof(modefile), "%s/rstmode%lld",
582 		    tmpdir, (long long)dumpdate);
583 	if (modefile[0] == '#') {
584 		panic("modefile not defined\n");
585 		fputs("directory mode, owner, and times not set\n", stderr);
586 		return;
587 	}
588 	mf = fopen(modefile, "r");
589 	if (mf == NULL) {
590 		warn("fopen");
591 		fprintf(stderr, "cannot open mode file %s\n", modefile);
592 		fprintf(stderr, "directory mode, owner, and times not set\n");
593 		return;
594 	}
595 	clearerr(mf);
596 	for (;;) {
597 		(void)fread((char *)&node, 1, sizeof(struct modeinfo), mf);
598 		if (feof(mf))
599 			break;
600 		ep = lookupino(node.ino);
601 		if (command == 'i' || command == 'x') {
602 			if (ep == NULL)
603 				continue;
604 			if ((flags & FORCE) == 0 && ep->e_flags & EXISTED) {
605 				ep->e_flags &= ~NEW;
606 				continue;
607 			}
608 			if (node.ino == ROOTINO &&
609 		   	    reply("set owner/mode for '.'") == FAIL)
610 				continue;
611 		}
612 		if (ep == NULL) {
613 			panic("cannot find directory inode %llu\n",
614 			    (unsigned long long)node.ino);
615 		} else {
616 			if (!Nflag) {
617 				cp = myname(ep);
618 				(void)chown(cp, node.uid, node.gid);
619 				(void)chmod(cp, node.mode);
620 				(void)chflags(cp, node.flags);
621 				(void)utimensat(AT_FDCWD, cp, node.ctimep, 0);
622 				(void)utimensat(AT_FDCWD, cp, node.mtimep, 0);
623 			}
624 			ep->e_flags &= ~NEW;
625 		}
626 	}
627 	if (ferror(mf))
628 		panic("error setting directory modes\n");
629 	(void)fclose(mf);
630 }
631 
632 /*
633  * Generate a literal copy of a directory.
634  */
635 int
genliteraldir(char * name,ino_t ino)636 genliteraldir(char *name, ino_t ino)
637 {
638 	struct inotab *itp;
639 	int ofile, dp, i, size;
640 	char buf[BUFSIZ];
641 
642 	itp = inotablookup(ino);
643 	if (itp == NULL)
644 		panic("Cannot find directory inode %llu named %s\n",
645 		    (unsigned long long)ino, name);
646 	if ((ofile = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) == -1) {
647 		warn("%s: cannot create file", name);
648 		return (FAIL);
649 	}
650 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);
651 	dp = dup(dirp->dd_fd);
652 	for (i = itp->t_size; i > 0; i -= BUFSIZ) {
653 		size = i < BUFSIZ ? i : BUFSIZ;
654 		if (read(dp, buf, size) == -1)
655 			err(1, "read error extracting inode %llu, name %s",
656 			    (unsigned long long)curfile.ino, curfile.name);
657 		xtrfile(buf, size);
658 	}
659 	(void)close(dp);
660 	(void)close(ofile);
661 	return (GOOD);
662 }
663 
664 /*
665  * Determine the type of an inode
666  */
667 int
inodetype(ino_t ino)668 inodetype(ino_t ino)
669 {
670 	struct inotab *itp;
671 
672 	itp = inotablookup(ino);
673 	if (itp == NULL)
674 		return (LEAF);
675 	return (NODE);
676 }
677 
678 /*
679  * Allocate and initialize a directory inode entry.
680  * If requested, save its pertinent mode, owner, and time info.
681  */
682 static struct inotab *
allocinotab(FILE * mf,struct context * ctxp,long seekpt)683 allocinotab(FILE *mf, struct context *ctxp, long seekpt)
684 {
685 	struct inotab	*itp;
686 	struct modeinfo node;
687 
688 	itp = calloc(1, sizeof(struct inotab));
689 	if (itp == NULL)
690 		panic("no memory directory table\n");
691 	itp->t_next = inotab[INOHASH(ctxp->ino)];
692 	inotab[INOHASH(ctxp->ino)] = itp;
693 	itp->t_ino = ctxp->ino;
694 	itp->t_seekpt = seekpt;
695 	if (mf == NULL)
696 		return (itp);
697 	node.ino = ctxp->ino;
698 	node.mtimep[0].tv_sec = ctxp->atime_sec;
699 	node.mtimep[0].tv_nsec = ctxp->atime_nsec;
700 	node.mtimep[1].tv_sec = ctxp->mtime_sec;
701 	node.mtimep[1].tv_nsec = ctxp->mtime_nsec;
702 	node.ctimep[0].tv_sec = ctxp->atime_sec;
703 	node.ctimep[0].tv_nsec = ctxp->atime_nsec;
704 	node.ctimep[1].tv_sec = ctxp->birthtime_sec;
705 	node.ctimep[1].tv_nsec = ctxp->birthtime_nsec;
706 	node.mode = ctxp->mode;
707 	node.flags = ctxp->file_flags;
708 	node.uid = ctxp->uid;
709 	node.gid = ctxp->gid;
710 	(void)fwrite((char *)&node, 1, sizeof(struct modeinfo), mf);
711 	return (itp);
712 }
713 
714 /*
715  * Look up an inode in the table of directories
716  */
717 static struct inotab *
inotablookup(ino_t ino)718 inotablookup(ino_t ino)
719 {
720 	struct inotab *itp;
721 
722 	for (itp = inotab[INOHASH(ino)]; itp != NULL; itp = itp->t_next)
723 		if (itp->t_ino == ino)
724 			return (itp);
725 	return (NULL);
726 }
727 
728 /*
729  * Clean up and exit
730  */
731 void
cleanup(void)732 cleanup(void)
733 {
734 
735 	closemt();
736 	if (modefile[0] != '#')
737 		(void)unlink(modefile);
738 	if (dirfile[0] != '#')
739 		(void)unlink(dirfile);
740 }
741