xref: /illumos-gate/usr/src/cmd/filesync/base.c (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995 Sun Microsystems, Inc.  All Rights Reserved
24  *
25  * module:
26  *	base.c
27  *
28  * purpose:
29  *	routines to create, traverse, read and write the baseline database
30  *
31  * contents:
32  *	manipulation:
33  *		add_base, add_file_to_base, add_file_to_dir
34  *		(static) add_file_to_list
35  *	reading baseline:
36  *		read_baseline
37  *		(static) gettype
38  *	writing baseline:
39  *		write_baseline
40  *		(static) bw_header, bw_base, bw_file, showtype
41  */
42 #ident	"%W%	%E% SMI"
43 
44 #include <stdlib.h>
45 #include <stdio.h>
46 #include <string.h>
47 #include <time.h>
48 
49 #include "filesync.h"
50 #include "database.h"
51 #include "messages.h"
52 
53 #define	BASE_MAJOR	1		/* base file format major rev	*/
54 #define	BASE_MINOR	2		/* base file format minor rev	*/
55 #define	BASE_TAG	"filesync-BaseLine"
56 
57 /*
58  * globals
59  */
60 struct base omnibase;			/* dummy to hold global rules	*/
61 struct base *bases;			/* pointer to the base list	*/
62 
63 /*
64  * locals
65  */
66 static int num_bases;			/* used to generate sequence #s	*/
67 static errmask_t bw_header(FILE *);	/* write out baseline header	*/
68 static errmask_t bw_base(FILE *, struct base *); /* write out one base	*/
69 static errmask_t bw_file(FILE *, struct file *, int);
70 static struct file *add_file_to_list(struct file **, const char *);
71 static char showtype(int);
72 static long gettype(int);
73 
74 /*
75  * routine:
76  *	add_base
77  *
78  * purpose:
79  *	to find a base pair in the chain, adding it if necessary
80  *
81  * parameters:
82  *	spec for source directory
83  *	spec for dest directory
84  *
85  * returns:
86  *	pointer to the base pair
87  *
88  */
89 struct base *
add_base(const char * src,const char * dst)90 add_base(const char *src, const char *dst)
91 {	struct base *bp, **bpp;
92 
93 	/* first see if we already have it */
94 	for (bpp = &bases; (bp = *bpp) != 0; bpp = &bp->b_next) {
95 		/* base must match on both src and dst	*/
96 		if (strcmp(src, bp->b_src_spec))
97 			continue;
98 		if (strcmp(dst, bp->b_dst_spec))
99 			continue;
100 
101 		if (opt_debug & DBG_BASE)
102 			fprintf(stderr, "BASE: FOUND base=%d, src=%s, dst=%s\n",
103 				bp->b_ident, src, dst);
104 		return (bp);
105 	}
106 
107 	/* no joy, so we have to allocate one		*/
108 	bp = malloc(sizeof (struct base));
109 	if (bp == 0)
110 		nomem("base structure");
111 
112 	/* initialize the new base			*/
113 	memset((void *) bp, 0, sizeof (struct base));
114 	bp->b_ident = ++num_bases;
115 	bp->b_src_spec = strdup(src);
116 	bp->b_dst_spec = strdup(dst);
117 
118 	/* names are expanded at run-time, and this is run-time	*/
119 	if ((bp->b_src_name = expand(bp->b_src_spec)) == 0) {
120 		fprintf(stderr, gettext(ERR_badbase), bp->b_src_spec);
121 		exit(ERR_FILES);
122 	}
123 
124 	if ((bp->b_dst_name = expand(bp->b_dst_spec)) == 0) {
125 		fprintf(stderr, gettext(ERR_badbase), bp->b_dst_spec);
126 		exit(ERR_FILES);
127 	}
128 
129 	/* chain it in					*/
130 	*bpp = bp;
131 
132 	if (opt_debug & DBG_BASE)
133 		fprintf(stderr, "BASE: ADDED base=%d, src=%s, dst=%s\n",
134 			bp->b_ident, src, dst);
135 
136 	return (bp);
137 }
138 
139 /*
140  * routine:
141  *	add_file_to_list
142  *
143  * purpose:
144  *	to find a file on a list, or if necessary add it to the list
145  *
146  *	this is an internal routine, used only by add_file_to_base
147  *	and add_file_to_dir.
148  *
149  * parameters:
150  *	pointer to the list head
151  *
152  * returns:
153  *	pointer to a file structure
154  *
155  * notes:
156  *
157  *	list is sorted to provide some search optimization
158  *
159  *	most files are in the baseline, and so come in in alphabetical
160  *	order.  If we keep a guess pointer to the last file we added/found,
161  *	there is a better than even chance that this one should be
162  *	added immediately onto the end of it ... and in so doing we
163  * 	can save ourselves the trouble of searching the lists most
164  *	of the time.
165  *
166  *	this win would be even better if the FTW traversal was sorted,
167  *	but building the baseline is enough of a win to justify the
168  *	feature ... but even without this we run a 60%-70% hit rate.
169  */
170 static struct file *
add_file_to_list(struct file ** pp,const char * name)171 add_file_to_list(struct file **pp, const char *name)
172 {	struct file *fp, *new;
173 	int rslt;
174 
175 	static struct file **last_list;
176 	static struct file *last_file;
177 
178 	/*
179 	 * start with the guess pointer, we hope to find that
180 	 * this request will be satisfied by the next file in
181 	 * the list.  The two cases we are trying to optimize
182 	 * are:
183 	 *	appending to the list, with appends in alphabetical order
184 	 *	searches of the list, with searches in alphabetical order
185 	 */
186 	if (last_list == pp && (new = last_file) != 0) {
187 		/* we like to think we belong farther down-list	*/
188 		if (strcmp(name, new->f_name) > 0) {
189 			fp = new->f_next;
190 			/* if we're at the end, we just won	*/
191 			if (fp == 0) {
192 				pp = &new->f_next;
193 				goto makeit;
194 			}
195 
196 			/* or if the next one is what we want	*/
197 			if (strcmp(name, fp->f_name) == 0) {
198 				fp->f_flags &= ~F_NEW;
199 				new = fp;
200 				goto gotit;
201 			}
202 		}
203 	}
204 
205 	/*
206 	 * our guess pointer failed, so it is exhaustive search time
207 	 */
208 	last_list = pp;
209 
210 	for (fp = *pp; fp; pp = &fp->f_next, fp = *pp) {
211 		rslt = strcmp(name, fp->f_name);
212 
213 		/* see if we got a match	*/
214 		if (rslt == 0) {
215 			fp->f_flags &= ~F_NEW;
216 			new = fp;
217 			goto gotit;
218 		}
219 
220 		/* see if we should go no farther	*/
221 		if (rslt < 0)
222 			break;
223 	}
224 
225 makeit:
226 	/*
227 	 * we didn't find it:
228 	 *	pp points at where our pointer should go
229 	 *	fp points at the node after ours
230 	 */
231 	new = (struct file *) malloc(sizeof (*new));
232 	if (new == 0)
233 		nomem("file structure");
234 
235 	/* initialize the new node	*/
236 	memset((void *) new, 0, sizeof (struct file));
237 	new->f_name = strdup(name);
238 	new->f_flags = F_NEW;
239 
240 	/* chain it into the list	*/
241 	new->f_next = fp;
242 	*pp = new;
243 
244 gotit:	/* remember this as our next guess pointer	*/
245 	last_file = new;
246 	return (new);
247 }
248 
249 /*
250  * routine:
251  *	add_file_to_base
252  *
253  * purpose:
254  *	to add a file-node to a baseline
255  *
256  * parameters:
257  *	pointer to base
258  *	name of file to be added
259  *
260  * returns:
261  *	pointer to file structure
262  */
263 struct file *
add_file_to_base(struct base * bp,const char * name)264 add_file_to_base(struct base *bp, const char *name)
265 {	struct file *fp;
266 
267 	fp = add_file_to_list(&bp->b_files, name);
268 	fp->f_base = bp;
269 	fp->f_depth = 0;
270 
271 	if (opt_debug & DBG_LIST)
272 		fprintf(stderr, "LIST: base=%d, %s file=%s\n",
273 			bp->b_ident, (fp->f_flags&F_NEW) ? "NEW" : "FOUND",
274 			name);
275 
276 	return (fp);
277 }
278 
279 /*
280  * routine:
281  *	add_file_to_dir
282  *
283  * purpose:
284  *	to add a file-node to a directory
285  *
286  * parameters:
287  *	pointer to file entry for directory
288  *	name of file to be added
289  *
290  * returns:
291  *	pointer to file structure
292  */
293 struct file *
add_file_to_dir(struct file * dp,const char * name)294 add_file_to_dir(struct file *dp, const char *name)
295 {	struct file *fp;
296 
297 	fp = add_file_to_list(&dp->f_files, name);
298 	fp->f_base = dp->f_base;
299 	fp->f_depth = dp->f_depth + 1;
300 
301 	if (opt_debug & DBG_LIST)
302 		fprintf(stderr, "LIST: dir=%s, %s file=%s\n",
303 			dp->f_name, (fp->f_flags&F_NEW) ? "NEW" : "FOUND",
304 			name);
305 
306 	return (fp);
307 }
308 
309 /*
310  * routine:
311  *	read_baseline
312  *
313  * purpose:
314  *	to read in the baseline file
315  *
316  * parameters:
317  *	name of baseline file
318  *
319  * returns:
320  *	error mask
321  */
322 errmask_t
read_baseline(char * name)323 read_baseline(char *name)
324 {	FILE *file;
325 	errmask_t errs = 0;
326 
327 	char *s;
328 	char *s1 = 0;
329 	char type;
330 	char *field = "???";
331 
332 	unsigned long l;
333 	unsigned long long ll;	/* intermediate for 64 bit file support	*/
334 	int level;
335 	int major, minor;
336 
337 	struct base *bp = 0;
338 	struct file *fp;
339 	struct fileinfo *ip;
340 	aclent_t *ap;
341 
342 	struct file *dirstack[ MAX_DEPTH ];
343 
344 	file = fopen(name, "r");
345 	if (file == NULL) {
346 		fprintf(stderr, gettext(ERR_open), gettext(TXT_base),
347 			name);
348 		return (ERR_FILES);
349 	}
350 	lex_linenum = 0;
351 
352 	if (opt_debug & DBG_FILES)
353 		fprintf(stderr, "FILE: READ BASELINE %s\n", name);
354 
355 	while (!feof(file)) {
356 		/* find the first token on the line	*/
357 		s = lex(file);
358 
359 		/* skip blank lines and comments	*/
360 		if (s == 0 || *s == 0 || *s == '#' || *s == '*')
361 			continue;
362 
363 		field = "keyword";
364 
365 		/* see if the first token is a known keyword	*/
366 		if (strcmp(s, "VERSION") == 0 || strcmp(s, BASE_TAG) == 0) {
367 			s = lex(0);
368 			field = gettext(TXT_noargs);
369 			if (s == 0)
370 				goto bad;
371 
372 			major = strtol(s, &s1, 10);
373 			field = gettext(TXT_badver);
374 			if (*s1 != '.')
375 				goto bad;
376 			minor = strtol(&s1[1], 0, 10);
377 
378 			if (major != BASE_MAJOR || minor > BASE_MINOR) {
379 				fprintf(stderr, gettext(ERR_badver),
380 					major, minor, gettext(TXT_base), name);
381 				errs |= ERR_FILES;
382 			}
383 			s1 = 0;
384 			continue;
385 		}
386 
387 		if (strcmp(s, "BASE_SRC") == 0) {
388 			s = lex(0);
389 			field = "source directory";
390 			if (s == 0)
391 				goto bad;
392 			s1 = strdup(s);
393 			bp = 0;
394 			continue;
395 		}
396 
397 		if (strcmp(s, "BASE_DST") == 0) {
398 			s = lex(0);
399 			field = "destination directory";
400 			if (s == 0)
401 				goto bad;
402 
403 			/* make sure we have a source too */
404 			if (s1 == 0) {
405 				field = "no source directory";
406 				goto bad;
407 			}
408 
409 			bp = add_base(s1, s);
410 			free(s1);
411 			s1 = 0;
412 			continue;
413 		}
414 
415 		if (strcmp(s, "FILE") == 0) {
416 			/* make sure we have a base to add to */
417 			if (bp == 0) {
418 				field = "missing base";
419 				goto bad;
420 			}
421 
422 			s = lex(0);	/* level	*/
423 			field = "level";
424 			if (s == 0 || *s == 0)
425 				goto bad;
426 			l = strtoul(s, 0, 0);
427 			level = l;
428 
429 			s = lex(0);	/* type	*/
430 			field = "file type";
431 			if (s == 0 || *s == 0)
432 				goto bad;
433 			type = *s;
434 			if (gettype(type) < 0)
435 				goto bad;
436 
437 			s = lex(0);	/* name	*/
438 			field = "file name";
439 			if (s == 0 || *s == 0)
440 				goto bad;
441 
442 			/* allocate a file structure for this entry	*/
443 			if (level == 0)
444 				fp = add_file_to_base(bp, s);
445 			else
446 				fp = add_file_to_dir(dirstack[level-1], s);
447 
448 			fp->f_flags |= F_IN_BASELINE;
449 
450 			/* maintain the directory stack			*/
451 			if (level >= MAX_DEPTH) {
452 				fprintf(stderr, gettext(ERR_deep), s);
453 				exit(ERR_OTHER);
454 			}
455 
456 			dirstack[ level ] = fp;
457 
458 			/* get a pointer to the baseline file info structure */
459 			ip = &fp->f_info[ OPT_BASE ];
460 
461 			ip->f_type = gettype(type);	/* note file type */
462 
463 			s = lex(0);	/* modes	*/
464 			field = "file modes";
465 			if (s == 0 || *s == 0)
466 				goto bad;
467 			l = strtoul(s, 0, 0);
468 			ip->f_mode = l;
469 
470 			s = lex(0);	/* uid	*/
471 			field = "file UID";
472 			if (s == 0 || *s == 0)
473 				goto bad;
474 			l = strtoul(s, 0, 0);
475 			ip->f_uid = l;
476 
477 			s = lex(0);	/* gid	*/
478 			field = "file GID";
479 			if (s == 0 || *s == 0)
480 				goto bad;
481 			l = strtoul(s, 0, 0);
482 			ip->f_gid = l;
483 
484 			s = lex(0);	/* source inode	*/
485 			field = "source i#";
486 			if (s == 0 || *s == 0)
487 				goto bad;
488 			ll = strtoull(s, 0, 0);
489 			fp->f_s_inum = (ino_t) ll;
490 
491 			s = lex(0);	/* source major	*/
492 			field = "source major";
493 			if (s == 0 || *s == 0)
494 				goto bad;
495 			l = strtoul(s, 0, 0);
496 			fp->f_s_maj = l;
497 
498 			s = lex(0);	/* source minor	*/
499 			field = "source minor";
500 			if (s == 0 || *s == 0)
501 				goto bad;
502 			l = strtoul(s, 0, 0);
503 			fp->f_s_min = l;
504 
505 			s = lex(0);	/* source nlink	*/
506 			field = "source nlink";
507 			if (s == 0 || *s == 0)
508 				goto bad;
509 			l = strtoul(s, 0, 0);
510 			fp->f_s_nlink = l;
511 
512 			s = lex(0);	/* source mod	*/
513 			field = "source modtime";
514 			if (s == 0 || *s == 0)
515 				goto bad;
516 			l = strtoul(s, 0, 0);
517 			fp->f_s_modtime = l;
518 
519 			s = lex(0);	/* dest inode	*/
520 			field = "destination i#";
521 			if (s == 0 || *s == 0)
522 				goto bad;
523 			ll = strtoull(s, 0, 0);
524 			fp->f_d_inum = (ino_t) ll;
525 
526 			s = lex(0);	/* dest major	*/
527 			field = "destination major";
528 			if (s == 0 || *s == 0)
529 				goto bad;
530 			l = strtoul(s, 0, 0);
531 			fp->f_d_maj = l;
532 
533 			s = lex(0);	/* dest minor	*/
534 			field = "destination minor";
535 			if (s == 0 || *s == 0)
536 				goto bad;
537 			l = strtoul(s, 0, 0);
538 			fp->f_d_min = l;
539 
540 			s = lex(0);	/* dest nlink	*/
541 			field = "dest nlink";
542 			if (s == 0 || *s == 0)
543 				goto bad;
544 			l = strtoul(s, 0, 0);
545 			fp->f_d_nlink = l;
546 
547 			s = lex(0);	/* dest mod	*/
548 			field = "dest modtime";
549 			if (s == 0 || *s == 0)
550 				goto bad;
551 			l = strtoul(s, 0, 0);
552 			fp->f_d_modtime = l;
553 
554 			s = lex(0);	/* major or size */
555 
556 			if (type == 'C' || type == 'B') {
557 				field = "rdev major";
558 				if (s == 0 || *s == 0)
559 					goto bad;
560 				l = strtoul(s, 0, 0);
561 				ip->f_rd_maj = l;
562 
563 				s = lex(0);	/* minor */
564 				field = "rdev minor";
565 				if (s == 0 || *s == 0)
566 					goto bad;
567 				l = strtoul(s, 0, 0);
568 				ip->f_rd_min = l;
569 			} else {
570 				field = "file size";
571 				if (s == 0 || *s == 0)
572 					goto bad;
573 				ll = strtoul(s, 0, 0);
574 				ip->f_size = (off_t) ll;	/* size	*/
575 			}
576 
577 			/*
578 			 * all fields after this point were added to the
579 			 * 1.0 format and so should be considered optional
580 			 */
581 			s = lex(0);		/* acl length ? */
582 			field = "acl count";
583 			if (s && *s) {
584 				l = strtoul(s, 0, 0);
585 				ip->f_numacls = l;
586 				ip->f_acls = (aclent_t *) malloc(ip->f_numacls *
587 						sizeof (aclent_t));
588 				if (ip->f_acls == 0)
589 					nomem("Access Control List");
590 			}
591 
592 			continue;
593 		}
594 
595 		if (strcmp(s, "ACL") == 0) {
596 			/* make sure there is a place to put the ACL	*/
597 			if (ip == 0 || ip->f_acls == 0) {
598 				field = "ACL w/o FILE/LIST";
599 				goto bad;
600 			}
601 
602 			/* acl entry number	*/
603 			s = lex(0);
604 			field = "acl index";
605 			if (s == 0)
606 				goto bad;
607 			l = strtoul(s, 0, 0);
608 			if (l >= ip->f_numacls)
609 				goto bad;
610 			else
611 				ap = &ip->f_acls[l];
612 
613 			/* acl entry type	*/
614 			s = lex(0);
615 			field = "acl type";
616 			if (s == 0)
617 				goto bad;
618 			l = strtoul(s, 0, 0);
619 			ap->a_type = l;
620 
621 			/* acl entry ID		*/
622 			s = lex(0);
623 			field = "acl id";
624 			if (s == 0)
625 				goto bad;
626 			l = strtoul(s, 0, 0);
627 			ap->a_id = l;
628 
629 			/* acl entry perms	*/
630 			s = lex(0);
631 			field = "acl perm";
632 			if (s == 0)
633 				goto bad;
634 			l = strtoul(s, 0, 0);
635 			ap->a_perm = l;
636 
637 			continue;
638 		}
639 
640 	bad:	/* log the error and continue processing to find others	*/
641 		fprintf(stderr, gettext(ERR_badinput), lex_linenum,
642 			field, name);
643 		errs |= ERR_FILES;
644 	}
645 
646 	(void) fclose(file);
647 	return (errs);
648 }
649 
650 /*
651  * routine:
652  *	write_baseline
653  *
654  * purpose:
655  *	to rewrite the baseline file
656  *
657  * parameters:
658  *	name of the new baseline file
659  *
660  * returns:
661  *	error mask
662  */
663 errmask_t
write_baseline(char * name)664 write_baseline(char *name)
665 {	FILE *newfile;
666 	errmask_t errs = 0;
667 	struct base *bp;
668 	char tmpname[ MAX_PATH ];
669 
670 	if (opt_debug & DBG_FILES)
671 		fprintf(stderr, "FILE: WRITE BASELINE %s\n", name);
672 
673 	/* if no-touch is specified, we don't update files	*/
674 	if (opt_notouch)
675 		return (0);
676 
677 	/* create a temporary output file			*/
678 	sprintf(tmpname, "%s-TMP", name);
679 
680 	/* create our output file	*/
681 	newfile = fopen(tmpname, "w+");
682 	if (newfile == NULL) {
683 		fprintf(stderr, gettext(ERR_creat), gettext(TXT_base),
684 				tmpname);
685 		return (ERR_FILES);
686 	}
687 
688 	errs |= bw_header(newfile);
689 	for (bp = bases; bp; bp = bp->b_next)
690 		errs |= bw_base(newfile, bp);
691 
692 	if (ferror(newfile)) {
693 		fprintf(stderr, gettext(ERR_write), gettext(TXT_base),
694 			tmpname);
695 		errs |= ERR_FILES;
696 	}
697 
698 	if (fclose(newfile)) {
699 		fprintf(stderr, gettext(ERR_fclose), gettext(TXT_base),
700 			tmpname);
701 		errs |= ERR_FILES;
702 	}
703 
704 	/* now switch the new file for the old one	*/
705 	if (errs == 0)
706 		if (rename(tmpname, name) != 0) {
707 			fprintf(stderr, gettext(ERR_rename),
708 				gettext(TXT_base), tmpname, name);
709 			errs |= ERR_FILES;
710 		}
711 
712 	return (errs);
713 }
714 
715 /*
716  * routine:
717  *	bw_header
718  *
719  * purpose:
720  *	to write out a baseline header
721  *
722  * parameters:
723  *	FILE* for the output file
724  *
725  * returns:
726  *	error mask
727  *
728  * notes:
729  */
730 static errmask_t
bw_header(FILE * file)731 bw_header(FILE *file)
732 {	time_t now;
733 	struct tm *local;
734 
735 	/* figure out what time it is	*/
736 	(void) time(&now);
737 	local = localtime(&now);
738 
739 	fprintf(file, "%s %d.%d\n", BASE_TAG, BASE_MAJOR, BASE_MINOR);
740 	fprintf(file, "#\n");
741 	fprintf(file, "# filesync baseline, last written by %s, %s",
742 		cuserid((char *) 0), asctime(local));
743 	fprintf(file, "#\n");
744 
745 	return (0);
746 }
747 
748 /*
749  * routine:
750  *	bw_base
751  *
752  * purpose:
753  *	to write out the summary for one base-pair
754  *
755  * parameters:
756  *	FILE * for the output file
757  *
758  * returns:
759  *	error mask
760  *
761  * notes:
762  */
763 static errmask_t
bw_base(FILE * file,struct base * bp)764 bw_base(FILE *file, struct base *bp)
765 {	struct file *fp;
766 	errmask_t errs = 0;
767 
768 	/* see if this base is to be dropped from baseline	*/
769 	if (bp->b_flags & F_REMOVE)
770 		return (0);
771 
772 	fprintf(file, "\n");
773 	fprintf(file, "BASE_SRC %s\n", noblanks(bp->b_src_spec));
774 	fprintf(file, "BASE_DST %s\n", noblanks(bp->b_dst_spec));
775 
776 	for (fp = bp->b_files; fp; fp = fp->f_next)
777 		errs |= bw_file(file, fp, 0);
778 
779 	return (errs);
780 }
781 
782 /*
783  * routine:
784  *	bw_file
785  *
786  * purpose:
787  *	to write a file description out to the baseline
788  *
789  * parameters:
790  *	output FILE
791  *	pointer to file description
792  *	recursion depth
793  *
794  * returns:
795  *	error mask
796  *
797  * notes:
798  *	some of the information we write out is kept separately
799  *	for source and destination files because the values should
800  *	be expected to be different for different systems/copies.
801  *
802  *	if a file has an unresolved conflict, we want to leave
803  *	the old values in place so that we continue to compare
804  *	files against the last time they agreed.
805  */
806 static errmask_t
bw_file(FILE * file,struct file * fp,int depth)807 bw_file(FILE *file, struct file *fp, int depth)
808 {	struct file *cp;
809 	int i;
810 	errmask_t errs = 0;
811 	long long ll;		/* intermediate for 64 bit file support	*/
812 	struct fileinfo *ip = &fp->f_info[OPT_BASE];
813 
814 	/* if this file is to be removed from baseline, skip it	*/
815 	if (fp->f_flags & F_REMOVE)
816 		return (0);
817 
818 	/*
819 	 * if this node is in conflict, or if it has not been
820 	 * evaluated this time around, we should just leave the
821 	 * baseline file the way it was before.  If there is a
822 	 * conflict, let the baseline reflect the last agreement.
823 	 * If the node wasn't evaluated, let the baseline reflect
824 	 * our last knowledge.
825 	 */
826 	if (fp->f_flags & F_CONFLICT || (fp->f_flags&F_EVALUATE) == 0) {
827 		fp->f_info[OPT_SRC].f_ino	= fp->f_s_inum;
828 		fp->f_info[OPT_SRC].f_nlink	= fp->f_s_nlink;
829 		fp->f_info[OPT_SRC].f_d_maj	= fp->f_s_maj;
830 		fp->f_info[OPT_SRC].f_d_min 	= fp->f_s_min;
831 		fp->f_info[OPT_SRC].f_modtime	= fp->f_s_modtime;
832 		fp->f_info[OPT_DST].f_ino	= fp->f_d_inum;
833 		fp->f_info[OPT_DST].f_nlink	= fp->f_d_nlink;
834 		fp->f_info[OPT_DST].f_d_maj	= fp->f_d_maj;
835 		fp->f_info[OPT_DST].f_d_min	= fp->f_d_min;
836 		fp->f_info[OPT_DST].f_modtime 	= fp->f_d_modtime;
837 	}
838 
839 	/* write out the entry for this file		*/
840 	fprintf(file, "FILE %d %c %-20s 0%04o", depth, showtype(ip->f_type),
841 		noblanks(fp->f_name), ip->f_mode);
842 	fprintf(file, " %6ld %6ld", ip->f_uid, ip->f_gid);
843 
844 	ll = fp->f_info[OPT_SRC].f_ino;
845 	fprintf(file, "\t%6lld %4ld %4ld %4d 0x%08lx",
846 			ll,
847 			fp->f_info[OPT_SRC].f_d_maj,
848 			fp->f_info[OPT_SRC].f_d_min,
849 			fp->f_info[OPT_SRC].f_nlink,
850 			fp->f_info[OPT_SRC].f_modtime);
851 
852 	ll = fp->f_info[OPT_DST].f_ino;
853 	fprintf(file, "\t%6lld %4ld %4ld %4d 0x%08lx",
854 			ll,
855 			fp->f_info[OPT_DST].f_d_maj,
856 			fp->f_info[OPT_DST].f_d_min,
857 			fp->f_info[OPT_DST].f_nlink,
858 			fp->f_info[OPT_DST].f_modtime);
859 
860 	/* last fields are file type specific	*/
861 	if (S_ISBLK(ip->f_type) || S_ISCHR(ip->f_type))
862 		fprintf(file, "\t%4ld %4ld", ip->f_rd_maj, ip->f_rd_min);
863 	else {
864 		ll = ip->f_size;
865 		fprintf(file, "\t%lld", ll);
866 	}
867 
868 	/* ACL count goes at the end because it was added	*/
869 	fprintf(file, "\t%d", ip->f_numacls);
870 
871 	fprintf(file, "\n");
872 
873 	/* if this file has ACLs, we have to write them out too	*/
874 	for (i = 0; i < ip->f_numacls; i++)
875 		fprintf(file, "ACL %d %d %ld %o\n", i, ip->f_acls[i].a_type,
876 			ip->f_acls[i].a_id, ip->f_acls[i].a_perm);
877 
878 	/* then enumerate all of the children (if any)	*/
879 	for (cp = fp->f_files; cp; cp = cp->f_next)
880 		errs |= bw_file(file, cp, depth + 1);
881 
882 	return (errs);
883 }
884 
885 /*
886  * routines:
887  *	gettype/showtype
888  *
889  * purpose:
890  *	to convert between a file type (as found in a mode word)
891  *	and a single character representation
892  *
893  * parameters/return
894  *	mode word -> character
895  *	character -> mode word
896  */
897 static char types[16] = "-PC?DNB?F?S?s???";
898 
showtype(int mode)899 static char showtype(int mode)
900 {
901 	return (types[ (mode & S_IFMT) >> 12 ]);
902 }
903 
gettype(int code)904 static long gettype(int code)
905 {	int i;
906 
907 	for (i = 0; i < 16; i++)
908 		if (types[i] == code)
909 			return (i << 12);
910 
911 	return (-1);
912 }
913