2 * $Id: ad_open.c,v 1.40 2009-04-25 06:44:48 franklahm Exp $
4 * Copyright (c) 1999 Adrian Sun (asun@u.washington.edu)
5 * Copyright (c) 1990,1991 Regents of The University of Michigan.
8 * Permission to use, copy, modify, and distribute this software and
9 * its documentation for any purpose and without fee is hereby granted,
10 * provided that the above copyright notice appears in all copies and
11 * that both that copyright notice and this permission notice appear
12 * in supporting documentation, and that the name of The University
13 * of Michigan not be used in advertising or publicity pertaining to
14 * distribution of the software without specific, written prior
15 * permission. This software is supplied as is without expressed or
16 * implied warranties of any kind.
18 * Research Systems Unix Group
19 * The University of Michigan
21 * 535 W. William Street
24 * netatalk@itd.umich.edu
26 * NOTE: I don't use inline because a good compiler should be
27 * able to optimize all the static below. Didier
32 #endif /* HAVE_CONFIG_H */
36 #include <atalk/adouble.h>
37 #include <sys/param.h>
38 #include <atalk/logger.h>
40 #include <atalk/util.h>
43 #include "ad_private.h"
47 #define MAX(a, b) ((a) < (b) ? (b) : (a))
51 * AppleDouble entry default offsets.
52 * The layout looks like this:
54 * this is the v1 layout:
56 * | NAME | COMMENT | FILEI | FINDERI | RFORK |
58 * we need to change it to look like this:
61 * field length (in bytes)
64 * FILEDATESI 16 replaces FILEI
68 * SHORTNAME 12 8.3 new
71 * so, all we need to do is replace FILEI with FILEDATESI, move RFORK,
72 * and add in the new fields.
74 * NOTE: the HFS module will need similar modifications to interact with
78 #define ADEDOFF_MAGIC (0)
79 #define ADEDOFF_VERSION (ADEDOFF_MAGIC + ADEDLEN_MAGIC)
80 #define ADEDOFF_FILLER (ADEDOFF_VERSION + ADEDLEN_VERSION)
81 #define ADEDOFF_NENTRIES (ADEDOFF_FILLER + ADEDLEN_FILLER)
83 /* initial lengths of some of the fields */
84 #define ADEDLEN_INIT 0
86 /* make sure we don't redefine ADEDOFF_FILEI */
89 #endif /* ADEDOFF_FILEI */
91 #define ADEDOFF_NAME_V1 (AD_HEADER_LEN + ADEID_NUM_V1*AD_ENTRY_LEN)
92 #define ADEDOFF_COMMENT_V1 (ADEDOFF_NAME_V1 + ADEDLEN_NAME)
93 #define ADEDOFF_FILEI (ADEDOFF_COMMENT_V1 + ADEDLEN_COMMENT)
94 #define ADEDOFF_FINDERI_V1 (ADEDOFF_FILEI + ADEDLEN_FILEI)
95 #define ADEDOFF_RFORK_V1 (ADEDOFF_FINDERI_V1 + ADEDLEN_FINDERI)
97 /* i stick things in a slightly different order than their eid order in
98 * case i ever want to separate RootInfo behaviour from the rest of the
100 #define ADEDOFF_NAME_V2 (AD_HEADER_LEN + ADEID_NUM_V2*AD_ENTRY_LEN)
101 #define ADEDOFF_COMMENT_V2 (ADEDOFF_NAME_V2 + ADEDLEN_NAME)
102 #define ADEDOFF_FILEDATESI (ADEDOFF_COMMENT_V2 + ADEDLEN_COMMENT)
103 #define ADEDOFF_FINDERI_V2 (ADEDOFF_FILEDATESI + ADEDLEN_FILEDATESI)
104 #define ADEDOFF_DID (ADEDOFF_FINDERI_V2 + ADEDLEN_FINDERI)
105 #define ADEDOFF_AFPFILEI (ADEDOFF_DID + ADEDLEN_DID)
106 #define ADEDOFF_SHORTNAME (ADEDOFF_AFPFILEI + ADEDLEN_AFPFILEI)
107 #define ADEDOFF_PRODOSFILEI (ADEDOFF_SHORTNAME + ADEDLEN_SHORTNAME)
108 #define ADEDOFF_PRIVDEV (ADEDOFF_PRODOSFILEI + ADEDLEN_PRODOSFILEI)
109 #define ADEDOFF_PRIVINO (ADEDOFF_PRIVDEV + ADEDLEN_PRIVDEV)
110 #define ADEDOFF_PRIVSYN (ADEDOFF_PRIVINO + ADEDLEN_PRIVINO)
111 #define ADEDOFF_PRIVID (ADEDOFF_PRIVSYN + ADEDLEN_PRIVSYN)
113 #define ADEDOFF_RFORK_V2 (ADEDOFF_PRIVID + ADEDLEN_PRIVID)
115 #define ADEID_NUM_OSX 2
116 #define ADEDOFF_FINDERI_OSX (AD_HEADER_LEN + ADEID_NUM_OSX*AD_ENTRY_LEN)
117 #define ADEDOFF_RFORK_OSX (ADEDOFF_FINDERI_OSX + ADEDLEN_FINDERI)
119 /* we keep local copies of a bunch of stuff so that we can initialize things
122 /* invisible bit for dot files */
123 #define ATTRBIT_INVISIBLE (1 << 0)
125 /* this is to prevent changing timezones from causing problems with
126 localtime volumes. the screw-up is 30 years. we use a delta of 5
128 #define TIMEWARP_DELTA 157680000
132 u_int32_t id, offset, len;
135 static const struct entry entry_order1[ADEID_NUM_V1 +1] = {
136 {ADEID_NAME, ADEDOFF_NAME_V1, ADEDLEN_INIT}, /* 3 */
137 {ADEID_COMMENT, ADEDOFF_COMMENT_V1, ADEDLEN_INIT}, /* 4 */
138 {ADEID_FILEI, ADEDOFF_FILEI, ADEDLEN_FILEI}, /* 7 */
139 {ADEID_FINDERI, ADEDOFF_FINDERI_V1, ADEDLEN_FINDERI}, /* 9 */
140 {ADEID_RFORK, ADEDOFF_RFORK_V1, ADEDLEN_INIT}, /* 2 */
144 #if AD_VERSION == AD_VERSION1
145 #define DISK_EID(ad, a) (a)
147 #else /* AD_VERSION == AD_VERSION2 */
149 static u_int32_t get_eid(struct adouble *ad, u_int32_t eid)
153 if (ad->ad_version == AD_VERSION1)
156 return ADEID_PRIVDEV;
158 return ADEID_PRIVINO;
160 return ADEID_PRIVSYN;
167 #define DISK_EID(ad, a) get_eid(ad, a)
169 static const struct entry entry_order2[ADEID_NUM_V2 +1] = {
170 {ADEID_NAME, ADEDOFF_NAME_V2, ADEDLEN_INIT},
171 {ADEID_COMMENT, ADEDOFF_COMMENT_V2, ADEDLEN_INIT},
172 {ADEID_FILEDATESI, ADEDOFF_FILEDATESI, ADEDLEN_FILEDATESI},
173 {ADEID_FINDERI, ADEDOFF_FINDERI_V2, ADEDLEN_FINDERI},
174 {ADEID_DID, ADEDOFF_DID, ADEDLEN_DID},
175 {ADEID_AFPFILEI, ADEDOFF_AFPFILEI, ADEDLEN_AFPFILEI},
176 {ADEID_SHORTNAME, ADEDOFF_SHORTNAME, ADEDLEN_INIT},
177 {ADEID_PRODOSFILEI, ADEDOFF_PRODOSFILEI, ADEDLEN_PRODOSFILEI},
178 {ADEID_PRIVDEV, ADEDOFF_PRIVDEV, ADEDLEN_INIT},
179 {ADEID_PRIVINO, ADEDOFF_PRIVINO, ADEDLEN_INIT},
180 {ADEID_PRIVSYN, ADEDOFF_PRIVSYN, ADEDLEN_INIT},
181 {ADEID_PRIVID, ADEDOFF_PRIVID, ADEDLEN_INIT},
182 {ADEID_RFORK, ADEDOFF_RFORK_V2, ADEDLEN_INIT},
187 /* OS X adouble finder info and resource fork only
189 static const struct entry entry_order_osx[ADEID_NUM_OSX +1] = {
190 {ADEID_FINDERI, ADEDOFF_FINDERI_OSX, ADEDLEN_FINDERI},
191 {ADEID_RFORK, ADEDOFF_RFORK_OSX, ADEDLEN_INIT},
196 #define ADEID_NUM_SFM 3
197 static const struct entry entry_order_sfm[ADEID_NUM_SFM +1] = {
198 {ADEID_FINDERI, 16, ADEDLEN_FINDERI}, /* 9 */
199 {ADEID_SFMRESERVE2, 16+32, 6}, /* 21 */
200 {ADEID_FILEI, 60, ADEDLEN_FILEI}, /* 7 */
205 #endif /* AD_VERSION == AD_VERSION2 */
207 #if AD_VERSION == AD_VERSION2
209 /* update a version 2 adouble resource fork with our private entries */
210 static int ad_update(struct adouble *ad, const char *path)
213 u_int16_t nentries = 0;
214 off_t off, shiftdata=0;
215 const struct entry *eid;
216 static off_t entry_len[ADEID_MAX];
217 static char databuf[ADEID_MAX][256], *buf;
221 /* check to see if we should convert this header. */
222 if (!path || ad->ad_flags != AD_VERSION2)
225 if (!(ad->ad_md->adf_flags & O_RDWR)) {
226 /* we were unable to open the file read write the last time */
230 if (ad->ad_eid[ADEID_RFORK].ade_off) {
231 shiftdata = ADEDOFF_RFORK_V2 -ad->ad_eid[ADEID_RFORK].ade_off;
234 memcpy(&nentries, ad->ad_data + ADEDOFF_NENTRIES, sizeof( nentries ));
235 nentries = ntohs( nentries );
237 if ( shiftdata == 0 && nentries == ADEID_NUM_V2)
240 memset(entry_len, 0, sizeof(entry_len));
241 memset(databuf, 0, sizeof(databuf));
243 /* bail if we can't get a lock */
244 if (ad_tmplock(ad, ADEID_RFORK, ADLOCK_WR, 0, 0, 0) < 0)
247 fd = ad->ad_md->adf_fd;
249 if (fstat(fd, &st)) {
253 if (st.st_size > 0x7fffffff) {
254 LOG(log_debug, logtype_default, "ad_update: file '%s' too big for update.", path);
259 off = ad->ad_eid[ADEID_RFORK].ade_off;
260 if (off > st.st_size) {
261 LOG(log_error, logtype_default, "ad_update: invalid resource fork offset. (off: %u)", off);
266 if (ad->ad_eid[ADEID_RFORK].ade_len > st.st_size - off) {
267 LOG(log_error, logtype_default, "ad_update: invalid resource fork length. (rfork len: %u)", ad->ad_eid[ADEID_RFORK].ade_len);
272 if ((void *) (buf = (char *)
273 mmap(NULL, st.st_size + shiftdata,
274 PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) ==
279 /* last place for failure. */
280 if (sys_ftruncate(fd, st.st_size + shiftdata) < 0) {
284 /* move the RFORK. this assumes that the RFORK is at the end */
286 memmove(buf + ADEDOFF_RFORK_V2, buf + off, ad->ad_eid[ADEID_RFORK].ade_len);
289 munmap(buf, st.st_size + shiftdata);
291 /* now, fix up our copy of the header */
292 memset(ad->ad_filler, 0, sizeof(ad->ad_filler));
294 /* save the header entries */
297 if( ad->ad_eid[eid->id].ade_off != 0) {
298 if ( eid->id > 2 && ad->ad_eid[eid->id].ade_len < 256)
299 memcpy( databuf[eid->id], ad->ad_data +ad->ad_eid[eid->id].ade_off, ad->ad_eid[eid->id].ade_len);
300 entry_len[eid->id] = ad->ad_eid[eid->id].ade_len;
305 memset(ad->ad_data + AD_HEADER_LEN, 0, AD_DATASZ - AD_HEADER_LEN);
307 /* copy the saved entries to the new header */
310 if ( eid->id > 2 && entry_len[eid->id] > 0) {
311 memcpy(ad->ad_data+eid->offset, databuf[eid->id], entry_len[eid->id]);
313 ad->ad_eid[eid->id].ade_off = eid->offset;
314 ad->ad_eid[eid->id].ade_len = entry_len[eid->id];
318 /* rebuild the header and cleanup */
319 LOG(log_debug, logtype_default, "updated AD2 header %s", path);
324 ad_tmplock(ad, ADEID_RFORK, ADLOCK_CLR, 0, 0, 0);
329 /* ------------------------------------------
330 FIXME work only if < 2GB
332 static int ad_convert(struct adouble *ad, const char *path)
339 /* use resource fork offset from file */
348 if (!(ad->ad_md->adf_flags & ( O_RDWR))) {
349 /* we were unable to open the file read write the last time */
353 /* check to see if we should convert this header. */
354 toV2 = ad->ad_version == AD_VERSION1 && ad->ad_flags == AD_VERSION2;
355 toV1 = ad->ad_version == AD_VERSION2 && ad->ad_flags == AD_VERSION1;
360 /* convert from v1 to v2. what does this mean?
361 * 1) change FILEI into FILEDATESI
362 * 2) create space for SHORTNAME, AFPFILEI, DID, and PRODOSI
363 * 3) move FILEI attributes into AFPFILEI
364 * 4) initialize ACCESS field of FILEDATESI.
365 * 5) move the resource fork
368 /* bail if we can't get a lock */
369 if (ad_tmplock(ad, ADEID_RFORK, ADLOCK_WR, 0, 0, 0) < 0)
372 /* we reuse fd from the resource fork */
373 fd = ad->ad_md->adf_fd;
375 if (ad->ad_eid[ADEID_RFORK].ade_off) {
376 shiftdata = ADEDOFF_RFORK_V2 -ad->ad_eid[ADEID_RFORK].ade_off;
379 shiftdata = ADEDOFF_RFORK_V2 -ADEDOFF_RFORK_V1; /* 136 */
382 if (fstat(fd, &st)) {
386 if (st.st_size > 0x7fffffff -shiftdata) {
387 LOG(log_debug, logtype_default, "ad_v1tov2: file too big.");
392 off = ad->ad_eid[ADEID_RFORK].ade_off;
394 if (off > st.st_size) {
395 LOG(log_error, logtype_default, "ad_v1tov2: invalid resource fork offset. (off: %u)", off);
400 if (ad->ad_eid[ADEID_RFORK].ade_len > st.st_size - off) {
401 LOG(log_error, logtype_default, "ad_v1tov2: invalid resource fork length. (rfork len: %u)", ad->ad_eid[ADEID_RFORK].ade_len);
406 if ((void *) (buf = (char *)
407 mmap(NULL, st.st_size + shiftdata,
408 PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) ==
413 /* last place for failure. */
415 if (sys_ftruncate(fd, st.st_size + shiftdata) < 0) {
419 /* move the RFORK. this assumes that the RFORK is at the end */
421 memmove(buf + ADEDOFF_RFORK_V2, buf + off, ad->ad_eid[ADEID_RFORK].ade_len);
424 munmap(buf, st.st_size + shiftdata);
426 /* now, fix up our copy of the header */
427 memset(ad->ad_filler, 0, sizeof(ad->ad_filler));
429 /* replace FILEI with FILEDATESI */
430 ad_getattr(ad, &attr);
431 ad->ad_eid[ADEID_FILEDATESI].ade_off = ADEDOFF_FILEDATESI;
432 ad->ad_eid[ADEID_FILEDATESI].ade_len = ADEDLEN_FILEDATESI;
433 ad->ad_eid[ADEID_FILEI].ade_off = 0;
434 ad->ad_eid[ADEID_FILEI].ade_len = 0;
436 /* add in the new entries */
437 ad->ad_eid[ADEID_DID].ade_off = ADEDOFF_DID;
438 ad->ad_eid[ADEID_DID].ade_len = ADEDLEN_DID;
439 ad->ad_eid[ADEID_AFPFILEI].ade_off = ADEDOFF_AFPFILEI;
440 ad->ad_eid[ADEID_AFPFILEI].ade_len = ADEDLEN_AFPFILEI;
441 ad->ad_eid[ADEID_SHORTNAME].ade_off = ADEDOFF_SHORTNAME;
442 ad->ad_eid[ADEID_SHORTNAME].ade_len = ADEDLEN_INIT;
443 ad->ad_eid[ADEID_PRODOSFILEI].ade_off = ADEDOFF_PRODOSFILEI;
444 ad->ad_eid[ADEID_PRODOSFILEI].ade_len = ADEDLEN_PRODOSFILEI;
446 ad->ad_eid[ADEID_PRIVDEV].ade_off = ADEDOFF_PRIVDEV;
447 ad->ad_eid[ADEID_PRIVDEV].ade_len = ADEDLEN_INIT;
448 ad->ad_eid[ADEID_PRIVINO].ade_off = ADEDOFF_PRIVINO;
449 ad->ad_eid[ADEID_PRIVINO].ade_len = ADEDLEN_INIT;
450 ad->ad_eid[ADEID_PRIVSYN].ade_off = ADEDOFF_PRIVSYN;
451 ad->ad_eid[ADEID_PRIVSYN].ade_len = ADEDLEN_INIT;
452 ad->ad_eid[ADEID_PRIVID].ade_off = ADEDOFF_PRIVID;
453 ad->ad_eid[ADEID_PRIVID].ade_len = ADEDLEN_INIT;
455 /* shift the old entries (NAME, COMMENT, FINDERI, RFORK) */
456 ad->ad_eid[ADEID_NAME].ade_off = ADEDOFF_NAME_V2;
457 ad->ad_eid[ADEID_COMMENT].ade_off = ADEDOFF_COMMENT_V2;
458 ad->ad_eid[ADEID_FINDERI].ade_off = ADEDOFF_FINDERI_V2;
459 ad->ad_eid[ADEID_RFORK].ade_off = ADEDOFF_RFORK_V2;
461 /* switch to dest version */
462 ad->ad_version = (toV2)?AD_VERSION2:AD_VERSION1;
464 /* move our data buffer to make space for the new entries. */
465 memmove(ad->ad_data + ADEDOFF_NAME_V2, ad->ad_data + ADEDOFF_NAME_V1,
466 ADEDOFF_RFORK_V1 - ADEDOFF_NAME_V1);
468 /* now, fill in the space with appropriate stuff. we're
469 operating as a v2 file now. */
470 ad_setdate(ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime);
471 memset(ad_entry(ad, ADEID_DID), 0, ADEDLEN_DID);
472 memset(ad_entry(ad, ADEID_AFPFILEI), 0, ADEDLEN_AFPFILEI);
473 ad_setattr(ad, attr);
474 memset(ad_entry(ad, ADEID_SHORTNAME), 0, ADEDLEN_SHORTNAME);
475 memset(ad_entry(ad, ADEID_PRODOSFILEI), 0, ADEDLEN_PRODOSFILEI);
477 /* rebuild the header and cleanup */
482 ad_tmplock(ad, ADEID_RFORK, ADLOCK_CLR, 0, 0, 0);
486 #endif /* AD_VERSION == AD_VERSION2 */
488 /* --------------------------- */
490 mode_t ad_hf_mode (mode_t mode)
492 /* we always need RW mode for file owner */
496 mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH);
497 /* fnctl lock need write access */
498 if ((mode & S_IRUSR))
500 if ((mode & S_IRGRP))
502 if ((mode & S_IROTH))
504 /* if write mode set add read mode */
505 if ((mode & S_IWUSR))
507 if ((mode & S_IWGRP))
509 if ((mode & S_IWOTH))
517 /* -------------------------------------
520 static void parse_entries(struct adouble *ad, char *buf,
523 u_int32_t eid, len, off;
526 /* now, read in the entry bits */
527 for (; nentries > 0; nentries-- ) {
528 memcpy(&eid, buf, sizeof( eid ));
529 eid = DISK_EID(ad, ntohl( eid ));
530 buf += sizeof( eid );
531 memcpy(&off, buf, sizeof( off ));
533 buf += sizeof( off );
534 memcpy(&len, buf, sizeof( len ));
536 buf += sizeof( len );
538 if (eid && eid < ADEID_MAX && off < sizeof(ad->ad_data) &&
539 (off +len <= sizeof(ad->ad_data) || eid == ADEID_RFORK)) {
540 ad->ad_eid[ eid ].ade_off = off;
541 ad->ad_eid[ eid ].ade_len = len;
542 } else if (!warning) {
544 LOG(log_debug, logtype_default, "ad_refresh: nentries %hd eid %d",
551 /* this reads enough of the header so that we can figure out all of
552 * the entry lengths and offsets. once that's done, we just read/mmap
553 * the rest of the header in.
555 * NOTE: we're assuming that the resource fork is kept at the end of
556 * the file. also, mmapping won't work for the hfs fs until it
557 * understands how to mmap header files. */
558 static int ad_header_read(struct adouble *ad, struct stat *hst)
560 char *buf = ad->ad_data;
564 static int warning = 0;
567 /* read the header */
568 if ((header_len = adf_pread( ad->ad_md, buf, sizeof(ad->ad_data), 0)) < 0) {
571 if (header_len < AD_HEADER_LEN) {
576 memcpy(&ad->ad_magic, buf, sizeof( ad->ad_magic ));
577 memcpy(&ad->ad_version, buf + ADEDOFF_VERSION, sizeof( ad->ad_version ));
579 /* tag broken v1 headers. just assume they're all right.
580 * we detect two cases: null magic/version
581 * byte swapped magic/version
582 * XXX: in the future, you'll need the v1compat flag.
583 * (ad->ad_flags & ADFLAGS_V1COMPAT) */
584 if (!ad->ad_magic && !ad->ad_version) {
586 LOG(log_debug, logtype_default, "notice: fixing up null v1 magic/version.");
589 ad->ad_magic = AD_MAGIC;
590 ad->ad_version = AD_VERSION1;
592 } else if (ad->ad_magic == AD_MAGIC && ad->ad_version == AD_VERSION1) {
594 LOG(log_debug, logtype_default, "notice: fixing up byte-swapped v1 magic/version.");
599 ad->ad_magic = ntohl( ad->ad_magic );
600 ad->ad_version = ntohl( ad->ad_version );
603 if ((ad->ad_magic != AD_MAGIC) || ((ad->ad_version != AD_VERSION1)
604 #if AD_VERSION == AD_VERSION2
605 && (ad->ad_version != AD_VERSION2)
606 #endif /* AD_VERSION == AD_VERSION2 */
609 LOG(log_debug, logtype_default, "ad_open: can't parse AppleDouble header.");
613 memcpy(ad->ad_filler, buf + ADEDOFF_FILLER, sizeof( ad->ad_filler ));
614 memcpy(&nentries, buf + ADEDOFF_NENTRIES, sizeof( nentries ));
615 nentries = ntohs( nentries );
617 /* read in all the entry headers. if we have more than the
618 * maximum, just hope that the rfork is specified early on. */
619 len = nentries*AD_ENTRY_LEN;
621 if (len + AD_HEADER_LEN > sizeof(ad->ad_data))
622 len = sizeof(ad->ad_data) - AD_HEADER_LEN;
624 buf += AD_HEADER_LEN;
625 if (len > header_len - AD_HEADER_LEN) {
627 LOG(log_debug, logtype_default, "ad_header_read: can't read entry info.");
631 /* figure out all of the entry offsets and lengths. if we aren't
632 * able to read a resource fork entry, bail. */
633 nentries = len / AD_ENTRY_LEN;
634 parse_entries(ad, buf, nentries);
635 if (!ad_getentryoff(ad, ADEID_RFORK)
636 || (ad_getentryoff(ad, ADEID_RFORK) > sizeof(ad->ad_data))
639 LOG(log_debug, logtype_default, "ad_header_read: problem with rfork entry offset.");
643 if (ad_getentryoff(ad, ADEID_RFORK) > header_len) {
645 LOG(log_debug, logtype_default, "ad_header_read: can't read in entries.");
651 if (fstat(ad->ad_md->adf_fd, &st) < 0) {
652 return 1; /* fail silently */
655 ad->ad_rlen = hst->st_size - ad_getentryoff(ad, ADEID_RFORK);
657 /* fix up broken dates */
658 if (ad->ad_version == AD_VERSION1) {
661 /* check to see if the ad date is wrong. just see if we have
662 * a modification date in the future. */
663 if (((ad_getdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, &aint)) == 0) &&
664 (aint > TIMEWARP_DELTA + hst->st_mtime)) {
665 ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, aint - AD_DATE_DELTA);
666 ad_getdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, &aint);
667 ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, aint - AD_DATE_DELTA);
668 ad_getdate(ad, AD_DATE_BACKUP | AD_DATE_UNIX, &aint);
669 ad_setdate(ad, AD_DATE_BACKUP | AD_DATE_UNIX, aint - AD_DATE_DELTA);
676 /* ---------------------------
681 byte afpi_Signature[4]; /* Must be 0x00504641 */
682 byte afpi_Version[4]; /* Must be 0x00010000 */
683 byte afpi_Reserved1[4];
684 byte afpi_BackupTime[4]; /* Backup time for the file/dir */
685 byte finderinfo[32]; /* Finder info */
686 byte afpi_ProDosInfo[6]; /* ProDos Info */
687 byte afpi_Reserved2[6];
691 static int ad_header_sfm_read(struct adouble *ad, struct stat *hst)
693 char *buf = ad->ad_data;
694 const struct entry *eid;
698 /* read the header */
699 if ((header_len = adf_pread( ad->ad_md, buf, sizeof(ad->ad_data), 0)) < 0) {
702 if (header_len != AD_SFM_LEN) {
707 memcpy(&ad->ad_magic, buf, sizeof( ad->ad_magic ));
708 memcpy(&ad->ad_version, buf + 4, sizeof( ad->ad_version ));
710 /* FIXME in the great Microsoft tradition they aren't in network order */
712 if (ad->ad_magic == SFM_MAGIC && ad->ad_version == AD_VERSION1) {
713 static int warning = 0;
715 LOG(log_debug, logtype_default, "notice: fixing up byte-swapped v1 magic/version.");
720 ad->ad_magic = ntohl( ad->ad_magic );
721 ad->ad_version = ntohl( ad->ad_version );
724 if ((ad->ad_magic != SFM_MAGIC) || ((ad->ad_version != AD_VERSION1) )) {
726 LOG(log_debug, logtype_default, "ad_header_sfm_read: can't parse AppleDouble header.");
730 /* reinit adouble table */
731 eid = entry_order_sfm;
733 ad->ad_eid[eid->id].ade_off = eid->offset;
734 ad->ad_eid[eid->id].ade_len = eid->len;
738 /* steal some prodos for attribute */
742 memcpy(&attribute, buf + 48 +4, sizeof(attribute));
743 ad_setattr(ad, attribute );
746 if (ad->ad_resource_fork.adf_fd != -1) {
747 /* we have a resource fork use it rather than the metadata */
748 if (fstat(ad->ad_resource_fork.adf_fd, &st) < 0) {
754 ad->ad_rlen = st.st_size;
757 else if (hst == NULL) {
759 if (fstat(ad->ad_md->adf_fd, &st) < 0) {
760 return 1; /* fail silently */
764 /* fix up broken dates */
765 if (ad->ad_version == AD_VERSION1) {
768 /* check to see if the ad date is wrong. just see if we have
769 * a modification date in the future. */
770 if (((ad_getdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, &aint)) == 0) &&
771 (aint > TIMEWARP_DELTA + hst->st_mtime)) {
772 ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, aint - AD_DATE_DELTA);
773 ad_getdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, &aint);
774 ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, aint - AD_DATE_DELTA);
775 ad_getdate(ad, AD_DATE_BACKUP | AD_DATE_UNIX, &aint);
776 ad_setdate(ad, AD_DATE_BACKUP | AD_DATE_UNIX, aint - AD_DATE_DELTA);
783 /* ---------------------------------------
784 * Put the .AppleDouble where it needs to be:
788 * \ b/.AppleDouble/.Parent
790 * FIXME: should do something for pathname > MAXPATHLEN
793 ad_path( path, adflags )
797 static char pathbuf[ MAXPATHLEN + 1];
798 char c, *slash, buf[MAXPATHLEN + 1];
801 l = strlcpy(buf, path, MAXPATHLEN +1);
802 if ( adflags & ADFLAGS_DIR ) {
803 strcpy( pathbuf, buf);
804 if ( *buf != '\0' && l < MAXPATHLEN) {
810 if (NULL != ( slash = strrchr( buf, '/' )) ) {
813 strcpy( pathbuf, buf);
820 strlcat( pathbuf, ".AppleDouble/", MAXPATHLEN +1);
821 strlcat( pathbuf, slash, MAXPATHLEN +1);
826 /* -------------------- */
827 static int ad_mkrf(char *path)
831 * Probably .AppleDouble doesn't exist, try to mkdir it.
833 if (NULL == ( slash = strrchr( path, '/' )) ) {
838 if ( ad_mkdir( path, 0777 ) < 0 ) {
845 /* ---------------------------------------
846 * Put the resource fork where it needs to be:
850 ad_path_osx(const char *path, int adflags _U_)
852 static char pathbuf[ MAXPATHLEN + 1];
853 char c, *slash, buf[MAXPATHLEN + 1];
855 if (!strcmp(path,".")) {
857 getcwd(buf, MAXPATHLEN);
860 strlcpy(buf, path, MAXPATHLEN +1);
862 if (NULL != ( slash = strrchr( buf, '/' )) ) {
865 strlcpy( pathbuf, buf, MAXPATHLEN +1);
871 strlcat( pathbuf, "._", MAXPATHLEN +1);
872 strlcat( pathbuf, slash, MAXPATHLEN +1);
875 /* -------------------- */
876 static int ad_mkrf_osx(char *path _U_)
881 /* ---------------------------------------
882 * Put the .AppleDouble where it needs to be:
884 * / a/.AppleDouble/b/Afp_AfpInfo
886 * \ b/.AppleDouble/.Parent/Afp_AfpInfo
890 ad_path_ads( path, adflags )
894 static char pathbuf[ MAXPATHLEN + 1];
895 char c, *slash, buf[MAXPATHLEN + 1];
898 l = strlcpy(buf, path, MAXPATHLEN +1);
899 if ( adflags & ADFLAGS_DIR ) {
900 strcpy( pathbuf, buf);
901 if ( *buf != '\0' && l < MAXPATHLEN) {
907 if (NULL != ( slash = strrchr( buf, '/' )) ) {
910 strcpy( pathbuf, buf);
917 strlcat( pathbuf, ".AppleDouble/", MAXPATHLEN +1);
918 strlcat( pathbuf, slash, MAXPATHLEN +1);
920 strlcat( pathbuf, "/Afp_AfpInfo", MAXPATHLEN +1);
924 /* ----------------------
925 * mostly the same as ads, only case change Afp --> AFP and AFP_Resoure
928 ad_path_sfm( path, adflags )
932 static char pathbuf[ MAXPATHLEN + 1];
933 char c, *slash, buf[MAXPATHLEN + 1];
936 l = strlcpy(buf, path, MAXPATHLEN +1);
937 if ( adflags & ADFLAGS_DIR ) {
938 strcpy( pathbuf, buf);
939 if ( *buf != '\0' && l < MAXPATHLEN) {
945 if (NULL != ( slash = strrchr( buf, '/' )) ) {
948 strcpy( pathbuf, buf);
955 strlcat( pathbuf, ".AppleDouble/", MAXPATHLEN +1);
956 strlcat( pathbuf, slash, MAXPATHLEN +1);
958 if ((adflags == ADFLAGS_RF)) {
959 strlcat( pathbuf, "/AFP_Resource", MAXPATHLEN +1);
962 strlcat( pathbuf, "/AFP_AfpInfo", MAXPATHLEN +1);
967 /* -------------------- */
968 static int ad_mkrf_ads(char *path)
972 * Probably .AppleDouble doesn't exist, try to mkdir it.
974 if (NULL == ( slash = strrchr( path, '/' )) ) {
979 if ( ad_mkdir( path, 0777 ) < 0 ) {
980 if ( errno == ENOENT ) {
983 if (NULL == ( slash1 = strrchr( path, '/' )) )
987 if ( ad_mkdir( path, 0777 ) < 0 )
990 if ( ad_mkdir( path, 0777 ) < 0 )
1000 /* -------------------------
1001 * Support inherited protection modes for AppleDouble files. The supplied
1002 * mode is ANDed with the parent directory's mask value in lieu of "umask",
1003 * and that value is returned.
1006 #define DEFMASK 07700 /* be conservative */
1012 static char modebuf[ MAXPATHLEN + 1];
1016 if ( (len = strlen( path )) >= MAXPATHLEN ) {
1017 errno = ENAMETOOLONG;
1018 return NULL; /* can't do it */
1022 * For a path with directories in it, remove the final component
1023 * (path or subdirectory name) to get the name we want to stat.
1024 * For a path which is just a filename, use "." instead.
1026 strcpy( modebuf, path );
1027 slash = strrchr( modebuf, '/' );
1028 /* is last char a '/' */
1029 if (slash && slash[1] == 0) {
1030 while (modebuf < slash && slash[-1] == '/') {
1033 if (modebuf < slash) {
1034 *slash = '\0'; /* remove pathname component */
1035 slash = strrchr( modebuf, '/' );
1039 *slash = '\0'; /* remove pathname component */
1041 modebuf[0] = '.'; /* use current directory */
1047 /* ---------------- */
1048 static uid_t default_uid = -1;
1050 int ad_setfuid(const uid_t id)
1056 /* ---------------- */
1057 uid_t ad_getfuid(void)
1063 return inode of path parent directory
1065 int ad_stat(const char *path, struct stat *stbuf)
1074 return stat( p, stbuf );
1078 if we are root change path user/ group
1079 It can be a native function for BSD cf. FAQ.Q10
1080 path: pathname to chown
1081 stbuf: parent directory inode
1083 use fstat and fchown or lchown with linux?
1085 #define EMULATE_SUIDDIR
1087 static int ad_chown(const char *path, struct stat *stbuf)
1090 #ifdef EMULATE_SUIDDIR
1093 if (default_uid != (uid_t)-1) {
1094 /* we are root (admin) */
1095 id = (default_uid)?default_uid:stbuf->st_uid;
1096 ret = chown( path, id, stbuf->st_gid );
1103 return access right and inode of path parent directory
1105 static int ad_mode_st(const char *path, int *mode, struct stat *stbuf)
1110 if (ad_stat(path, stbuf) != 0) {
1114 *mode &= stbuf->st_mode;
1119 return access right of path parent directory
1122 ad_mode( path, mode )
1127 ad_mode_st(path, &mode, &stbuf);
1132 * Use mkdir() with mode bits taken from ad_mode().
1135 ad_mkdir( path, mode )
1144 LOG(log_info, logtype_default, "ad_mkdir: Creating directory with mode %d", mode);
1147 st_invalid = ad_mode_st(path, &mode, &stbuf);
1148 ret = mkdir( path, mode );
1149 if (ret || st_invalid)
1151 ad_chown(path, &stbuf);
1156 /* ----------------- */
1157 static int ad_error(struct adouble *ad, int adflags)
1160 if ((adflags & ADFLAGS_NOHF)) {
1161 /* FIXME double check : set header offset ?*/
1164 if ((adflags & ADFLAGS_DF)) {
1165 ad_close( ad, ADFLAGS_DF );
1171 static int new_rfork(const char *path, struct adouble *ad, int adflags);
1176 #define AD_SET(a) a = 0
1179 /* --------------------------- */
1180 static int ad_check_size(struct adouble *ad, struct stat *st)
1182 if (st->st_size > 0 && st->st_size < AD_DATASZ1)
1187 /* --------------------------- */
1188 static int ad_check_size_sfm(struct adouble *ad, struct stat *st)
1190 if (st->st_size > 0 && st->st_size < AD_SFM_LEN)
1195 /* --------------------------- */
1196 static int ad_header_upgrade(struct adouble *ad, char *name)
1198 #if AD_VERSION == AD_VERSION2
1200 if ( (ret = ad_convert(ad, name)) < 0 || (ret = ad_update(ad, name) < 0)) {
1207 /* --------------------------- */
1208 static int ad_header_upgrade_none(struct adouble *ad, char *name)
1213 /* --------------------------- */
1214 static struct adouble_fops ad_osx = {
1217 &ad_rebuild_adouble_header,
1224 static struct adouble_fops ad_ads = {
1227 &ad_rebuild_adouble_header,
1234 static struct adouble_fops ad_sfm = {
1237 &ad_rebuild_sfm_header,
1240 &ad_header_sfm_read,
1241 &ad_header_upgrade_none,
1244 static struct adouble_fops ad_adouble = {
1247 &ad_rebuild_adouble_header,
1255 void ad_init(struct adouble *ad, int flags, int options)
1257 memset( ad, 0, sizeof( struct adouble ) );
1258 ad->ad_flags = flags;
1259 if (flags == AD_VERSION2_OSX) {
1260 ad->ad_ops = &ad_osx;
1262 else if (flags == AD_VERSION1_ADS) {
1263 ad->ad_ops = &ad_ads;
1265 else if (flags == AD_VERSION1_SFM) {
1266 ad->ad_ops = &ad_sfm;
1269 ad->ad_ops = &ad_adouble;
1271 ad->ad_options = options;
1274 /* -------------------
1275 * It's not possible to open the header file O_RDONLY -- the read
1276 * will fail and return an error. this refcounts things now.
1278 int ad_open( path, adflags, oflags, mode, ad )
1280 int adflags, oflags, mode;
1284 struct stat st_meta;
1285 struct stat *pst = NULL;
1287 int hoflags, admode;
1288 int st_invalid = -1;
1291 if (ad->ad_inited != AD_INITED) {
1292 ad_data_fileno(ad) = -1;
1293 ad_reso_fileno(ad) = -1;
1294 adf_lock_init(&ad->ad_data_fork);
1295 adf_lock_init(&ad->ad_resource_fork);
1296 if (ad->ad_flags != AD_VERSION1_SFM) {
1297 ad->ad_md = &ad->ad_resource_fork;
1300 adf_lock_init(&ad->ad_metadata_fork);
1301 ad->ad_md = &ad->ad_metadata_fork;
1302 ad_meta_fileno(ad) = -1;
1304 ad->ad_inited = AD_INITED;
1305 ad->ad_refcount = 1;
1306 ad->ad_open_forks = 0;
1309 ad->ad_open_forks = ((ad->ad_data_fork.adf_refcount > 0) ? ATTRBIT_DOPEN : 0);
1310 /* XXX not true if we have a meta data fork ? */
1311 if ((ad->ad_resource_fork.adf_refcount > ad->ad_data_fork.adf_refcount))
1312 ad->ad_open_forks |= ATTRBIT_ROPEN;
1315 if ((adflags & ADFLAGS_DF)) {
1316 if (ad_data_fileno(ad) == -1) {
1317 hoflags = (oflags & ~(O_RDONLY | O_WRONLY)) | O_RDWR;
1319 if ((oflags & O_CREAT)) {
1320 st_invalid = ad_mode_st(path, &admode, &st_dir);
1321 if ((ad->ad_options & ADVOL_UNIXPRIV)) {
1325 ad->ad_data_fork.adf_fd =open( path, hoflags, admode );
1326 if (ad->ad_data_fork.adf_fd < 0 ) {
1327 if ((errno == EACCES || errno == EROFS) && !(oflags & O_RDWR)) {
1329 ad->ad_data_fork.adf_fd = open( path, hoflags, admode );
1332 if ( ad->ad_data_fork.adf_fd < 0)
1335 AD_SET(ad->ad_data_fork.adf_off);
1336 ad->ad_data_fork.adf_flags = hoflags;
1338 /* just created, set owner if admin (root) */
1339 ad_chown(path, &st_dir);
1343 /* the file is already open... but */
1344 if ((oflags & ( O_RDWR | O_WRONLY)) && /* we want write access */
1345 !(ad->ad_data_fork.adf_flags & ( O_RDWR | O_WRONLY))) /* and it was denied the first time */
1351 * for now ad_open is never called with O_TRUNC or O_EXCL if the file is
1352 * already open. Should we check for it? ie
1354 * O_TRUNC --> truncate the fork.
1355 * idem for ressource fork.
1358 open_df = ADFLAGS_DF;
1359 ad->ad_data_fork.adf_refcount++;
1362 if (!(adflags & ADFLAGS_HF))
1365 /* ****************************************** */
1367 if (ad_meta_fileno(ad) != -1) { /* the file is already open */
1368 if ((oflags & ( O_RDWR | O_WRONLY)) &&
1369 !(ad->ad_md->adf_flags & ( O_RDWR | O_WRONLY))) {
1371 /* don't call with ADFLAGS_HF because we didn't open ressource fork */
1372 ad_close( ad, open_df );
1378 ad->ad_md->adf_refcount++;
1382 ad_p = ad->ad_ops->ad_path( path, adflags );
1384 hoflags = oflags & ~O_CREAT;
1385 if (!(adflags & ADFLAGS_RDONLY)) {
1386 hoflags = (hoflags & ~(O_RDONLY | O_WRONLY)) | O_RDWR;
1388 ad->ad_md->adf_fd = open( ad_p, hoflags, 0 );
1389 if (ad->ad_md->adf_fd < 0 ) {
1390 if ((errno == EACCES || errno == EROFS) && !(oflags & O_RDWR)) {
1391 hoflags = oflags & ~O_CREAT;
1392 ad->ad_md->adf_fd = open( ad_p, hoflags, 0 );
1396 if ( ad->ad_md->adf_fd < 0 ) {
1397 if (errno == ENOENT && (oflags & O_CREAT) ) {
1399 * We're expecting to create a new adouble header file,
1401 * if ((oflags & O_CREAT) ==> (oflags & O_RDWR)
1405 st_invalid = ad_mode_st(ad_p, &admode, &st_dir);
1406 if ((ad->ad_options & ADVOL_UNIXPRIV)) {
1409 admode = ad_hf_mode(admode);
1410 if ( errno == ENOENT && !(adflags & ADFLAGS_NOADOUBLE) && ad->ad_flags != AD_VERSION2_OSX) {
1411 if (ad->ad_ops->ad_mkrf( ad_p) < 0) {
1412 return ad_error(ad, adflags);
1415 st_invalid = ad_mode_st(ad_p, &admode, &st_dir);
1416 if ((ad->ad_options & ADVOL_UNIXPRIV)) {
1419 admode = ad_hf_mode(admode);
1421 /* retry with O_CREAT */
1422 ad->ad_md->adf_fd = open( ad_p, oflags,admode );
1423 if ( ad->ad_md->adf_fd < 0 ) {
1424 return ad_error(ad, adflags);
1426 ad->ad_md->adf_flags = oflags;
1427 /* just created, set owner if admin owner (root) */
1429 ad_chown(ad_p, &st_dir);
1433 return ad_error(ad, adflags);
1435 } else if (fstat(ad->ad_md->adf_fd, &st_meta) == 0 && st_meta.st_size == 0) {
1436 /* for 0 length files, treat them as new. */
1437 ad->ad_md->adf_flags = hoflags| O_TRUNC;
1439 ad->ad_md->adf_flags = hoflags;
1441 AD_SET(ad->ad_md->adf_off);
1443 memset(ad->ad_eid, 0, sizeof( ad->ad_eid ));
1444 ad->ad_md->adf_refcount++;
1445 if ((ad->ad_md->adf_flags & ( O_TRUNC | O_CREAT ))) {
1447 * This is a new adouble header file. Initialize the structure,
1448 * instead of reading it.
1450 if (new_rfork(path, ad, adflags) < 0) {
1452 /* the file is already deleted, perm, whatever, so return an error*/
1453 ad_close(ad, adflags);
1458 /* Read the adouble header in and parse it.*/
1459 if (ad->ad_ops->ad_header_read( ad , pst) < 0
1460 || ad->ad_ops->ad_header_upgrade(ad, ad_p) < 0)
1464 ad_close( ad, adflags );
1470 /* ****************************************** */
1471 /* open the resource fork if SFM */
1473 if (ad->ad_flags != AD_VERSION1_SFM) {
1477 if ((adflags & ADFLAGS_DIR)) {
1478 /* no resource fork for directories / volumes XXX it's false! */
1482 /* untrue yet but ad_close will decremente it*/
1483 ad->ad_resource_fork.adf_refcount++;
1485 if (ad_reso_fileno(ad) != -1) { /* the file is already open */
1486 if ((oflags & ( O_RDWR | O_WRONLY)) &&
1487 !(ad->ad_resource_fork.adf_flags & ( O_RDWR | O_WRONLY))) {
1489 ad_close( ad, open_df | ADFLAGS_HF);
1496 ad_p = ad->ad_ops->ad_path( path, ADFLAGS_RF );
1498 hoflags = (oflags & ~(O_RDONLY | O_WRONLY)) | O_RDWR;
1499 ad->ad_resource_fork.adf_fd = open( ad_p, hoflags, admode );
1501 st_invalid = ad_mode_st(ad_p, &admode, &st_dir);
1503 if ((ad->ad_options & ADVOL_UNIXPRIV)) {
1507 if (ad->ad_resource_fork.adf_fd < 0 ) {
1508 if ((errno == EACCES || errno == EROFS) && !(oflags & O_RDWR)) {
1510 ad->ad_resource_fork.adf_fd =open( ad_p, hoflags, admode );
1514 if ( ad->ad_resource_fork.adf_fd < 0) {
1517 ad_close( ad, adflags );
1522 AD_SET(ad->ad_resource_fork.adf_off);
1523 ad->ad_resource_fork.adf_flags = hoflags;
1524 if ((oflags & O_CREAT) && !st_invalid) {
1525 /* just created, set owner if admin (root) */
1526 ad_chown(ad_p, &st_dir);
1528 else if (!fstat(ad->ad_resource_fork.adf_fd, &st_meta)) {
1529 ad->ad_rlen = st_meta.st_size;
1534 /* -----------------------------------
1535 * return only metadata but try very hard
1537 int ad_metadata(const char *name, int flags, struct adouble *adp)
1541 int dir = flags & ADFLAGS_DIR;
1543 /* Open with O_CREAT, thus enumarating a dir will create missing adouble files, see: */
1544 /* http://marc.info/?l=netatalk-devel&m=124039156832408&w=2 */
1545 if ((ret = ad_open(name, ADFLAGS_HF | dir, O_RDWR | O_CREAT, 0666, adp)) < 0 && errno == EACCES) {
1548 LOG(log_error, logtype_default, "ad_metadata(%s): seteuid failed %s", name, strerror(errno));
1552 /* we are root open read only */
1553 ret = ad_open(name, ADFLAGS_HF|ADFLAGS_RDONLY| dir, O_RDONLY, 0, adp);
1555 if ( seteuid(uid) < 0) {
1556 LOG(log_error, logtype_default, "ad_metadata: can't seteuid back");
1562 if (!ret && (ADFLAGS_OPENFORKS & flags)) {
1563 u_int16_t attrbits = adp->ad_open_forks;
1566 we need to check if the file is open by another process.
1567 it's slow so we only do it if we have to:
1569 - we don't already have the answer!
1572 if (!(attrbits & ATTRBIT_ROPEN)) {
1573 attrbits |= ad_testlock(adp, ADEID_RFORK, AD_FILELOCK_OPEN_RD) > 0? ATTRBIT_ROPEN : 0;
1574 attrbits |= ad_testlock(adp, ADEID_RFORK, AD_FILELOCK_OPEN_WR) > 0? ATTRBIT_ROPEN : 0;
1577 if (!(attrbits & ATTRBIT_DOPEN)) {
1578 attrbits |= ad_testlock(adp, ADEID_DFORK, AD_FILELOCK_OPEN_RD) > 0? ATTRBIT_DOPEN : 0;
1579 attrbits |= ad_testlock(adp, ADEID_DFORK, AD_FILELOCK_OPEN_WR) > 0? ATTRBIT_DOPEN : 0;
1581 adp->ad_open_forks = attrbits;
1586 /* ----------------------------------- */
1587 static int new_rfork(const char *path, struct adouble *ad, int adflags)
1589 const struct entry *eid;
1593 ad->ad_magic = AD_MAGIC;
1594 ad->ad_version = ad->ad_flags & 0x0f0000;
1595 if (!ad->ad_version) {
1596 ad->ad_version = AD_VERSION;
1599 memset(ad->ad_filler, 0, sizeof( ad->ad_filler ));
1600 memset(ad->ad_data, 0, sizeof(ad->ad_data));
1602 #if AD_VERSION == AD_VERSION2
1603 if (ad->ad_flags == AD_VERSION2)
1605 else if (ad->ad_flags == AD_VERSION2_OSX)
1606 eid = entry_order_osx;
1607 else if (ad->ad_flags == AD_VERSION1_SFM) {
1608 ad->ad_magic = SFM_MAGIC;
1609 eid = entry_order_sfm;
1616 ad->ad_eid[eid->id].ade_off = eid->offset;
1617 ad->ad_eid[eid->id].ade_len = eid->len;
1621 /* put something sane in the directory finderinfo */
1622 if ((adflags & ADFLAGS_DIR)) {
1623 /* set default view */
1624 ashort = htons(FINDERINFO_CLOSEDVIEW);
1625 memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRVIEWOFF,
1626 &ashort, sizeof(ashort));
1628 /* set default creator/type fields */
1629 memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRTYPEOFF,"\0\0\0\0", 4);
1630 memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRCREATOFF,"\0\0\0\0", 4);
1633 /* make things invisible */
1634 if ((ad->ad_options & ADVOL_INVDOTS) && !(adflags & ADFLAGS_CREATE) &&
1635 (*path == '.') && strcmp(path, ".") && strcmp(path, ".."))
1637 ashort = htons(ATTRBIT_INVISIBLE);
1638 ad_setattr(ad, ashort);
1639 ashort = htons(FINDERINFO_INVISIBLE);
1640 memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1643 if (stat(path, &st) < 0) {
1647 /* put something sane in the date fields */
1648 ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime);
1649 ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime);
1650 ad_setdate(ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime);
1651 ad_setdate(ad, AD_DATE_BACKUP, AD_DATE_START);
1655 /* to do this with mmap, we need the hfs fs to understand how to mmap
1657 int ad_refresh(struct adouble *ad)
1660 if (ad_meta_fileno(ad) < 0)
1663 return ad->ad_ops->ad_header_read(ad, NULL);