2 * $Id: file.c,v 1.107 2008-12-03 18:35:44 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
18 #else /* STDC_HEADERS */
22 #endif /* HAVE_STRCHR */
23 char *strchr (), *strrchr ();
26 #define memcpy(d,s,n) bcopy ((s), (d), (n))
27 #define memmove(d,s,n) bcopy ((s), (d), (n))
28 #endif /* ! HAVE_MEMCPY */
29 #endif /* STDC_HEADERS */
31 #include <atalk/adouble.h>
36 #include <atalk/logger.h>
37 #include <sys/param.h>
40 #include <atalk/afp.h>
41 #include <atalk/util.h>
42 #include <atalk/cnid.h>
43 #include "directory.h"
52 /* the format for the finderinfo fields (from IM: Toolbox Essentials):
53 * field bytes subfield bytes
56 * ioFlFndrInfo 16 -> type 4 type field
57 * creator 4 creator field
58 * flags 2 finder flags:
60 * location 4 location in window
61 * folder 2 window that contains file
63 * ioFlXFndrInfo 16 -> iconID 2 icon id
65 * script 1 script system
67 * commentID 2 comment id
68 * putawayID 4 home directory id
71 const u_char ufinderi[ADEDLEN_FINDERI] = {
72 0, 0, 0, 0, 0, 0, 0, 0,
73 1, 0, 0, 0, 0, 0, 0, 0,
74 0, 0, 0, 0, 0, 0, 0, 0,
75 0, 0, 0, 0, 0, 0, 0, 0
78 static const u_char old_ufinderi[] = {
79 'T', 'E', 'X', 'T', 'U', 'N', 'I', 'X'
82 /* ----------------------
84 static int default_type(void *finder)
86 if (!memcmp(finder, ufinderi, 8) || !memcmp(finder, old_ufinderi, 8))
91 /* FIXME path : unix or mac name ? (for now it's unix name ) */
92 void *get_finderinfo(const struct vol *vol, const char *upath, struct adouble *adp, void *data)
95 void *ad_finder = NULL;
99 ad_finder = ad_entry(adp, ADEID_FINDERI);
102 memcpy(data, ad_finder, ADEDLEN_FINDERI);
104 if (default_type(ad_finder))
108 memcpy(data, ufinderi, ADEDLEN_FINDERI);
110 if (vol_inv_dots(vol) && *upath == '.') { /* make it invisible */
113 ashort = htons(FINDERINFO_INVISIBLE);
114 memcpy((char *)data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
117 /** Only enter if no appledouble information and no finder information found. */
118 if (chk_ext && (em = getextmap( upath ))) {
119 memcpy(data, em->em_type, sizeof( em->em_type ));
120 memcpy((char *)data + 4, em->em_creator, sizeof(em->em_creator));
125 /* ---------------------
127 char *set_name(const struct vol *vol, char *data, cnid_t pid, char *name, cnid_t id, u_int32_t utf8)
132 aint = strlen( name );
136 if (utf8_encoding()) {
137 /* but name is an utf8 mac name */
140 /* global static variable... */
142 if (!(u = mtoupath(vol, name, pid, 1)) || !(m = utompath(vol, u, id, 0))) {
151 if (aint > MACFILELEN)
158 if (aint > 255) /* FIXME safeguard, anyway if no ascii char it's game over*/
161 utf8 = vol->v_mac?htonl(vol->v_mac->kTextEncoding):0; /* htonl(utf8) */
162 memcpy(data, &utf8, sizeof(utf8));
163 data += sizeof(utf8);
166 memcpy(data, &temp, sizeof(temp));
167 data += sizeof(temp);
170 memcpy( data, src, aint );
180 * FIXME: PDINFO is UTF8 and doesn't need adp
182 #define PARAM_NEED_ADP(b) ((b) & ((1 << FILPBIT_ATTR) |\
183 (1 << FILPBIT_CDATE) |\
184 (1 << FILPBIT_MDATE) |\
185 (1 << FILPBIT_BDATE) |\
186 (1 << FILPBIT_FINFO) |\
187 (1 << FILPBIT_RFLEN) |\
188 (1 << FILPBIT_EXTRFLEN) |\
189 (1 << FILPBIT_PDINFO) |\
190 (1 << FILPBIT_UNIXPR)))
192 /* -------------------------- */
193 u_int32_t get_id(struct vol *vol, struct adouble *adp, const struct stat *st,
194 const cnid_t did, char *upath, const int len)
198 #if AD_VERSION > AD_VERSION1
200 if ((aint = ad_getid(adp, st->st_dev, st->st_ino, did, vol->v_stamp))) {
205 if (vol->v_cdb != NULL) {
206 aint = cnid_add(vol->v_cdb, st, did, upath, len, aint);
207 /* Throw errors if cnid_add fails. */
208 if (aint == CNID_INVALID) {
210 case CNID_ERR_CLOSE: /* the db is closed */
213 LOG(log_error, logtype_afpd, "get_id: Incorrect parameters passed to cnid_add");
214 afp_errno = AFPERR_PARAM;
217 afp_errno = AFPERR_PARAM;
220 afp_errno = AFPERR_MISC;
224 #if AD_VERSION > AD_VERSION1
226 /* update the ressource fork
227 * for a folder adp is always null
229 if (ad_setid(adp, st->st_dev, st->st_ino, aint, did, vol->v_stamp)) {
238 /* -------------------------- */
239 int getmetadata(struct vol *vol,
241 struct path *path, struct dir *dir,
242 char *buf, int *buflen, struct adouble *adp)
244 char *data, *l_nameoff = NULL, *upath;
245 char *utf_nameoff = NULL;
250 u_char achar, fdType[4];
256 LOG(log_info, logtype_afpd, "begin getmetadata:");
259 upath = path->u_name;
264 if ( ((bitmap & ( (1 << FILPBIT_FINFO)|(1 << FILPBIT_LNAME)|(1 <<FILPBIT_PDINFO) ) ) && !path->m_name)
265 || (bitmap & ( (1 << FILPBIT_LNAME) ) && utf8_encoding()) /* FIXME should be m_name utf8 filename */
266 || (bitmap & (1 << FILPBIT_FNUM))) {
268 id = get_id(vol, adp, st, dir->d_did, upath, strlen(upath));
274 path->m_name = utompath(vol, upath, id, utf8_encoding());
277 while ( bitmap != 0 ) {
278 while (( bitmap & 1 ) == 0 ) {
286 ad_getattr(adp, &ashort);
287 } else if (vol_inv_dots(vol) && *upath == '.') {
288 ashort = htons(ATTRBIT_INVISIBLE);
292 /* FIXME do we want a visual clue if the file is read only
295 accessmode( ".", &ma, dir , NULL);
296 if ((ma.ma_user & AR_UWRITE)) {
297 accessmode( upath, &ma, dir , st);
298 if (!(ma.ma_user & AR_UWRITE)) {
299 ashort |= htons(ATTRBIT_NOWRITE);
303 memcpy(data, &ashort, sizeof( ashort ));
304 data += sizeof( ashort );
308 memcpy(data, &dir->d_did, sizeof( u_int32_t ));
309 data += sizeof( u_int32_t );
313 if (!adp || (ad_getdate(adp, AD_DATE_CREATE, &aint) < 0))
314 aint = AD_DATE_FROM_UNIX(st->st_mtime);
315 memcpy(data, &aint, sizeof( aint ));
316 data += sizeof( aint );
320 if ( adp && (ad_getdate(adp, AD_DATE_MODIFY, &aint) == 0)) {
321 if ((st->st_mtime > AD_DATE_TO_UNIX(aint))) {
322 aint = AD_DATE_FROM_UNIX(st->st_mtime);
325 aint = AD_DATE_FROM_UNIX(st->st_mtime);
327 memcpy(data, &aint, sizeof( int ));
328 data += sizeof( int );
332 if (!adp || (ad_getdate(adp, AD_DATE_BACKUP, &aint) < 0))
333 aint = AD_DATE_START;
334 memcpy(data, &aint, sizeof( int ));
335 data += sizeof( int );
339 get_finderinfo(vol, upath, adp, (char *)data);
340 data += ADEDLEN_FINDERI;
345 data += sizeof( u_int16_t );
349 memset(data, 0, sizeof(u_int16_t));
350 data += sizeof( u_int16_t );
354 memcpy(data, &id, sizeof( id ));
355 data += sizeof( id );
359 if (st->st_size > 0xffffffff)
362 aint = htonl( st->st_size );
363 memcpy(data, &aint, sizeof( aint ));
364 data += sizeof( aint );
369 if (adp->ad_rlen > 0xffffffff)
372 aint = htonl( adp->ad_rlen);
376 memcpy(data, &aint, sizeof( aint ));
377 data += sizeof( aint );
380 /* Current client needs ProDOS info block for this file.
381 Use simple heuristic and let the Mac "type" string tell
382 us what the PD file code should be. Everything gets a
383 subtype of 0x0000 unless the original value was hashed
384 to "pXYZ" when we created it. See IA, Ver 2.
385 <shirsch@adelphia.net> */
386 case FILPBIT_PDINFO :
387 if (afp_version >= 30) { /* UTF8 name */
388 utf8 = kTextEncodingUTF8;
390 data += sizeof( u_int16_t );
392 memcpy(data, &aint, sizeof( aint ));
393 data += sizeof( aint );
397 memcpy(fdType, ad_entry( adp, ADEID_FINDERI ), 4 );
399 if ( memcmp( fdType, "TEXT", 4 ) == 0 ) {
403 else if ( memcmp( fdType, "PSYS", 4 ) == 0 ) {
407 else if ( memcmp( fdType, "PS16", 4 ) == 0 ) {
411 else if ( memcmp( fdType, "BINA", 4 ) == 0 ) {
415 else if ( fdType[0] == 'p' ) {
417 ashort = (fdType[2] * 256) + fdType[3];
431 memcpy(data, &ashort, sizeof( ashort ));
432 data += sizeof( ashort );
433 memset(data, 0, sizeof( ashort ));
434 data += sizeof( ashort );
437 case FILPBIT_EXTDFLEN:
438 aint = htonl(st->st_size >> 32);
439 memcpy(data, &aint, sizeof( aint ));
440 data += sizeof( aint );
441 aint = htonl(st->st_size);
442 memcpy(data, &aint, sizeof( aint ));
443 data += sizeof( aint );
445 case FILPBIT_EXTRFLEN:
448 aint = htonl(adp->ad_rlen >> 32);
449 memcpy(data, &aint, sizeof( aint ));
450 data += sizeof( aint );
452 aint = htonl(adp->ad_rlen);
453 memcpy(data, &aint, sizeof( aint ));
454 data += sizeof( aint );
456 case FILPBIT_UNIXPR :
457 /* accessmode may change st_mode with ACLs */
458 accessmode( upath, &ma, dir , st);
460 aint = htonl(st->st_uid);
461 memcpy( data, &aint, sizeof( aint ));
462 data += sizeof( aint );
463 aint = htonl(st->st_gid);
464 memcpy( data, &aint, sizeof( aint ));
465 data += sizeof( aint );
468 type == slnk indicates an OSX style symlink,
469 we have to add S_IFLNK to the mode, otherwise
470 10.3 clients freak out. */
474 memcpy(fdType, ad_entry( adp, ADEID_FINDERI ), 4 );
475 if ( memcmp( fdType, "slnk", 4 ) == 0 ) {
481 memcpy( data, &aint, sizeof( aint ));
482 data += sizeof( aint );
484 *data++ = ma.ma_user;
485 *data++ = ma.ma_world;
486 *data++ = ma.ma_group;
487 *data++ = ma.ma_owner;
491 return( AFPERR_BITMAP );
497 ashort = htons( data - buf );
498 memcpy(l_nameoff, &ashort, sizeof( ashort ));
499 data = set_name(vol, data, dir->d_did, path->m_name, id, 0);
502 ashort = htons( data - buf );
503 memcpy(utf_nameoff, &ashort, sizeof( ashort ));
504 data = set_name(vol, data, dir->d_did, path->m_name, id, utf8);
506 *buflen = data - buf;
510 /* ----------------------- */
511 int getfilparams(struct vol *vol,
513 struct path *path, struct dir *dir,
514 char *buf, int *buflen )
516 struct adouble ad, *adp;
523 LOG(log_info, logtype_default, "begin getfilparams:");
526 opened = PARAM_NEED_ADP(bitmap);
530 int flags = (bitmap & (1 << FILPBIT_ATTR))?ADFLAGS_OPENFORKS:0;
531 upath = path->u_name;
532 if ((of = of_findname(path))) {
535 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
539 if ( ad_metadata( upath, flags, adp) < 0 ) {
542 LOG(log_error, logtype_afpd, "getfilparams(%s): %s: check resource fork permission?",
543 upath, strerror(errno));
544 return AFPERR_ACCESS;
546 LOG(log_error, logtype_afpd, "getfilparams(%s): bad resource fork", upath);
555 rc = getmetadata(vol, bitmap, path, dir, buf, buflen, adp);
557 ad_close_metadata( adp);
560 LOG(log_info, logtype_afpd, "end getfilparams:");
566 /* ----------------------------- */
567 int afp_createfile(obj, ibuf, ibuflen, rbuf, rbuflen )
569 char *ibuf, *rbuf _U_;
570 int ibuflen _U_, *rbuflen;
572 struct adouble ad, *adp;
575 struct ofork *of = NULL;
577 int creatf, did, openf, retvalue = AFP_OK;
583 LOG(log_info, logtype_afpd, "begin afp_createfile:");
588 creatf = (unsigned char) *ibuf++;
590 memcpy(&vid, ibuf, sizeof( vid ));
591 ibuf += sizeof( vid );
593 if (NULL == ( vol = getvolbyvid( vid )) ) {
594 return( AFPERR_PARAM );
597 if (vol->v_flags & AFPVOL_RO)
600 memcpy(&did, ibuf, sizeof( did));
601 ibuf += sizeof( did );
603 if (NULL == ( dir = dirlookup( vol, did )) ) {
607 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
608 return get_afp_errno(AFPERR_PARAM);
611 if ( *s_path->m_name == '\0' ) {
612 return( AFPERR_BADTYPE );
615 upath = s_path->u_name;
616 if (0 != (ret = check_name(vol, upath)))
619 /* if upath is deleted we already in trouble anyway */
620 if ((of = of_findname(s_path))) {
623 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
627 /* on a hard create, fail if file exists and is open */
630 openf = O_RDWR|O_CREAT|O_TRUNC;
632 /* on a soft create, if the file is open then ad_open won't fail
633 because open syscall is not called
638 openf = O_RDWR|O_CREAT|O_EXCL;
641 if ( ad_open( upath, vol_noadouble(vol)|ADFLAGS_DF|ADFLAGS_HF|ADFLAGS_NOHF|ADFLAGS_CREATE,
642 openf, 0666, adp) < 0 ) {
646 case ENOENT : /* we were already in 'did folder' so chdir() didn't fail */
647 return ( AFPERR_NOOBJ );
649 return( AFPERR_EXIST );
651 return( AFPERR_ACCESS );
654 return( AFPERR_DFULL );
656 return( AFPERR_PARAM );
659 if ( ad_reso_fileno( adp ) == -1 ) { /* Hard META / HF */
660 /* on noadouble volumes, just creating the data fork is ok */
661 if (vol_noadouble(vol)) {
662 ad_close( adp, ADFLAGS_DF );
663 goto createfile_done;
665 /* FIXME with hard create on an existing file, we already
666 * corrupted the data file.
668 netatalk_unlink( upath );
669 ad_close( adp, ADFLAGS_DF );
670 return AFPERR_ACCESS;
673 path = s_path->m_name;
674 ad_setname(adp, path);
676 ad_close( adp, ADFLAGS_DF|ADFLAGS_HF );
682 if (vol->v_flags & AFPVOL_DROPBOX) {
683 retvalue = matchfile2dirperms(upath, vol, did);
685 #endif /* DROPKLUDGE */
687 setvoltime(obj, vol );
690 LOG(log_info, logtype_afpd, "end afp_createfile");
696 int afp_setfilparams(obj, ibuf, ibuflen, rbuf, rbuflen )
698 char *ibuf, *rbuf _U_;
699 int ibuflen _U_, *rbuflen;
705 u_int16_t vid, bitmap;
708 LOG(log_info, logtype_afpd, "begin afp_setfilparams:");
714 memcpy(&vid, ibuf, sizeof( vid ));
715 ibuf += sizeof( vid );
716 if (NULL == ( vol = getvolbyvid( vid )) ) {
717 return( AFPERR_PARAM );
720 if (vol->v_flags & AFPVOL_RO)
723 memcpy(&did, ibuf, sizeof( did ));
724 ibuf += sizeof( did );
725 if (NULL == ( dir = dirlookup( vol, did )) ) {
726 return afp_errno; /* was AFPERR_NOOBJ */
729 memcpy(&bitmap, ibuf, sizeof( bitmap ));
730 bitmap = ntohs( bitmap );
731 ibuf += sizeof( bitmap );
733 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
734 return get_afp_errno(AFPERR_PARAM);
737 if (path_isadir(s_path)) {
738 return( AFPERR_BADTYPE ); /* it's a directory */
741 if ( s_path->st_errno != 0 ) {
742 return( AFPERR_NOOBJ );
745 if ((u_long)ibuf & 1 ) {
749 if (AFP_OK == ( rc = setfilparams(vol, s_path, bitmap, ibuf )) ) {
750 setvoltime(obj, vol );
754 LOG(log_info, logtype_afpd, "end afp_setfilparams:");
761 * cf AFP3.0.pdf page 252 for change_mdate and change_parent_mdate logic
764 extern struct path Cur_Path;
766 int setfilparams(struct vol *vol,
767 struct path *path, u_int16_t f_bitmap, char *buf )
769 struct adouble ad, *adp;
771 int bit, isad = 1, err = AFP_OK;
773 u_char achar, *fdType, xyy[4]; /* uninitialized, OK 310105 */
774 u_int16_t ashort, bshort;
777 u_int16_t upriv_bit = 0;
781 int change_mdate = 0;
782 int change_parent_mdate = 0;
787 u_int16_t bitmap = f_bitmap;
788 u_int32_t cdate,bdate;
789 u_char finder_buf[32];
792 LOG(log_info, logtype_afpd, "begin setfilparams:");
795 upath = path->u_name;
796 adp = of_ad(vol, path, &ad);
799 if (!vol_unix_priv(vol) && check_access(upath, OPENACC_WR ) < 0) {
800 return AFPERR_ACCESS;
803 /* with unix priv maybe we have to change adouble file priv first */
805 while ( bitmap != 0 ) {
806 while (( bitmap & 1 ) == 0 ) {
813 memcpy(&ashort, buf, sizeof( ashort ));
814 buf += sizeof( ashort );
818 memcpy(&cdate, buf, sizeof(cdate));
819 buf += sizeof( cdate );
822 memcpy(&newdate, buf, sizeof( newdate ));
823 buf += sizeof( newdate );
827 memcpy(&bdate, buf, sizeof( bdate));
828 buf += sizeof( bdate );
832 memcpy(finder_buf, buf, 32 );
835 case FILPBIT_UNIXPR :
836 if (!vol_unix_priv(vol)) {
837 /* this volume doesn't use unix priv */
843 change_parent_mdate = 1;
845 memcpy( &aint, buf, sizeof( aint ));
846 f_uid = ntohl (aint);
847 buf += sizeof( aint );
848 memcpy( &aint, buf, sizeof( aint ));
849 f_gid = ntohl (aint);
850 buf += sizeof( aint );
851 setfilowner(vol, f_uid, f_gid, path);
853 memcpy( &upriv, buf, sizeof( upriv ));
854 buf += sizeof( upriv );
855 upriv = ntohl (upriv);
856 if ((upriv & S_IWUSR)) {
857 setfilunixmode(vol, path, upriv);
864 case FILPBIT_PDINFO :
865 if (afp_version < 30) { /* else it's UTF8 name */
868 /* Keep special case to support crlf translations */
869 if ((unsigned int) achar == 0x04) {
870 fdType = (u_char *)"TEXT";
873 xyy[0] = ( u_char ) 'p';
884 /* break while loop */
893 /* second try with adouble open
895 if ( ad_open_metadata( upath, vol_noadouble(vol), O_CREAT, adp) < 0) {
896 /* for some things, we don't need an adouble header */
897 if (f_bitmap & ~(1<<FILPBIT_MDATE)) {
898 return vol_noadouble(vol) ? AFP_OK : AFPERR_ACCESS;
901 } else if ((ad_get_HF_flags( adp ) & O_CREAT) ) {
902 ad_setname(adp, path->m_name);
907 while ( bitmap != 0 ) {
908 while (( bitmap & 1 ) == 0 ) {
915 ad_getattr(adp, &bshort);
916 if ((bshort & htons(ATTRBIT_INVISIBLE)) !=
917 (ashort & htons(ATTRBIT_INVISIBLE) & htons(ATTRBIT_SETCLR)) )
918 change_parent_mdate = 1;
919 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
920 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
924 ad_setattr(adp, bshort);
927 ad_setdate(adp, AD_DATE_CREATE, cdate);
932 ad_setdate(adp, AD_DATE_BACKUP, bdate);
935 if (default_type( ad_entry( adp, ADEID_FINDERI ))
937 ((em = getextmap( path->m_name )) &&
938 !memcmp(finder_buf, em->em_type, sizeof( em->em_type )) &&
939 !memcmp(finder_buf + 4, em->em_creator,sizeof( em->em_creator)))
940 || ((em = getdefextmap()) &&
941 !memcmp(finder_buf, em->em_type, sizeof( em->em_type )) &&
942 !memcmp(finder_buf + 4, em->em_creator,sizeof( em->em_creator)))
944 memcpy(finder_buf, ufinderi, 8 );
946 memcpy(ad_entry( adp, ADEID_FINDERI ), finder_buf, 32 );
948 case FILPBIT_UNIXPR :
950 setfilunixmode(vol, path, upriv);
953 case FILPBIT_PDINFO :
954 if (afp_version < 30) { /* else it's UTF8 name */
955 memcpy(ad_entry( adp, ADEID_FINDERI ), fdType, 4 );
956 memcpy(ad_entry( adp, ADEID_FINDERI ) + 4, "pdos", 4 );
962 goto setfilparam_done;
969 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
970 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
974 ad_setdate(adp, AD_DATE_MODIFY, newdate);
975 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
981 ad_close_metadata( adp);
985 if (change_parent_mdate && gettimeofday(&tv, NULL) == 0) {
986 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
987 bitmap = 1<<FILPBIT_MDATE;
988 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
992 LOG(log_info, logtype_afpd, "end setfilparams:");
998 * renamefile and copyfile take the old and new unix pathnames
999 * and the new mac name.
1001 * src the source path
1002 * dst the dest filename in current dir
1003 * newname the dest mac name
1004 * adp adouble struct of src file, if open, or & zeroed one
1007 int renamefile(vol, src, dst, newname, adp )
1008 const struct vol *vol;
1009 char *src, *dst, *newname;
1010 struct adouble *adp;
1015 LOG(log_info, logtype_afpd, "begin renamefile:");
1018 if ( unix_rename( src, dst ) < 0 ) {
1021 return( AFPERR_NOOBJ );
1024 return( AFPERR_ACCESS );
1026 return AFPERR_VLOCK;
1027 case EXDEV : /* Cross device move -- try copy */
1028 /* NOTE: with open file it's an error because after the copy we will
1029 * get two files, it's fixable for our process (eg reopen the new file, get the
1030 * locks, and so on. But it doesn't solve the case with a second process
1032 if (adp->ad_open_forks) {
1033 /* FIXME warning in syslog so admin'd know there's a conflict ?*/
1034 return AFPERR_OLOCK; /* little lie */
1036 if (AFP_OK != ( rc = copyfile(vol, vol, src, dst, newname, NULL )) ) {
1037 /* on error copyfile delete dest */
1040 return deletefile(vol, src, 0);
1042 return( AFPERR_PARAM );
1046 if (vol->vfs->rf_renamefile(vol, src, dst) < 0 ) {
1050 /* try to undo the data fork rename,
1051 * we know we are on the same device
1054 unix_rename( dst, src );
1055 /* return the first error */
1058 return AFPERR_NOOBJ;
1061 return AFPERR_ACCESS ;
1063 return AFPERR_VLOCK;
1065 return AFPERR_PARAM ;
1070 /* don't care if we can't open the newly renamed ressource fork
1072 if (!ad_open( dst, ADFLAGS_HF, O_RDWR, 0666, adp)) {
1073 ad_setname(adp, newname);
1075 ad_close( adp, ADFLAGS_HF );
1078 LOG(log_info, logtype_afpd, "end renamefile:");
1085 convert a Mac long name to an utf8 name,
1087 size_t mtoUTF8(const struct vol *vol, const char *src, size_t srclen, char *dest, size_t destlen)
1091 if ((size_t)-1 == (outlen = convert_string ( vol->v_maccharset, CH_UTF8_MAC, src, srclen, dest, destlen)) ) {
1097 /* ---------------- */
1098 int copy_path_name(const struct vol *vol, char *newname, char *ibuf)
1105 if ( type != 2 && !(afp_version >= 30 && type == 3) ) {
1111 if (( plen = (unsigned char)*ibuf++ ) != 0 ) {
1112 if (afp_version >= 30) {
1113 /* convert it to UTF8
1115 if ((plen = mtoUTF8(vol, ibuf, plen, newname, AFPOBJ_TMPSIZ)) == (size_t)-1)
1119 strncpy( newname, ibuf, plen );
1120 newname[ plen ] = '\0';
1122 if (strlen(newname) != plen) {
1123 /* there's \0 in newname, e.g. it's a pathname not
1131 memcpy(&hint, ibuf, sizeof(hint));
1132 ibuf += sizeof(hint);
1134 memcpy(&len16, ibuf, sizeof(len16));
1135 ibuf += sizeof(len16);
1136 plen = ntohs(len16);
1139 if (plen > AFPOBJ_TMPSIZ) {
1142 strncpy( newname, ibuf, plen );
1143 newname[ plen ] = '\0';
1144 if (strlen(newname) != plen) {
1153 /* -----------------------------------
1155 int afp_copyfile(obj, ibuf, ibuflen, rbuf, rbuflen )
1157 char *ibuf, *rbuf _U_;
1158 int ibuflen _U_, *rbuflen;
1160 struct vol *s_vol, *d_vol;
1162 char *newname, *p, *upath;
1163 struct path *s_path;
1164 u_int32_t sdid, ddid;
1165 int err, retvalue = AFP_OK;
1166 u_int16_t svid, dvid;
1168 struct adouble ad, *adp;
1172 LOG(log_info, logtype_afpd, "begin afp_copyfile:");
1178 memcpy(&svid, ibuf, sizeof( svid ));
1179 ibuf += sizeof( svid );
1180 if (NULL == ( s_vol = getvolbyvid( svid )) ) {
1181 return( AFPERR_PARAM );
1184 memcpy(&sdid, ibuf, sizeof( sdid ));
1185 ibuf += sizeof( sdid );
1186 if (NULL == ( dir = dirlookup( s_vol, sdid )) ) {
1190 memcpy(&dvid, ibuf, sizeof( dvid ));
1191 ibuf += sizeof( dvid );
1192 memcpy(&ddid, ibuf, sizeof( ddid ));
1193 ibuf += sizeof( ddid );
1195 if (NULL == ( s_path = cname( s_vol, dir, &ibuf )) ) {
1196 return get_afp_errno(AFPERR_PARAM);
1198 if ( path_isadir(s_path) ) {
1199 return( AFPERR_BADTYPE );
1202 /* don't allow copies when the file is open.
1203 * XXX: the spec only calls for read/deny write access.
1204 * however, copyfile doesn't have any of that info,
1205 * and locks need to stay coherent. as a result,
1206 * we just balk if the file is opened already. */
1208 adp = of_ad(s_vol, s_path, &ad);
1210 if (ad_open(s_path->u_name , ADFLAGS_DF |ADFLAGS_HF | ADFLAGS_NOHF, O_RDONLY, 0, adp) < 0) {
1211 return AFPERR_DENYCONF;
1213 denyreadset = (getforkmode(adp, ADEID_DFORK, AD_FILELOCK_DENY_RD) != 0 ||
1214 getforkmode(adp, ADEID_RFORK, AD_FILELOCK_DENY_RD) != 0 );
1215 ad_close( adp, ADFLAGS_DF |ADFLAGS_HF );
1217 return AFPERR_DENYCONF;
1220 newname = obj->newtmp;
1221 strcpy( newname, s_path->m_name );
1223 p = ctoupath( s_vol, curdir, newname );
1225 return AFPERR_PARAM;
1229 /* FIXME svid != dvid && dvid's user can't read svid */
1231 if (NULL == ( d_vol = getvolbyvid( dvid )) ) {
1232 return( AFPERR_PARAM );
1235 if (d_vol->v_flags & AFPVOL_RO)
1236 return AFPERR_VLOCK;
1238 if (NULL == ( dir = dirlookup( d_vol, ddid )) ) {
1242 if (( s_path = cname( d_vol, dir, &ibuf )) == NULL ) {
1243 return get_afp_errno(AFPERR_NOOBJ);
1245 if ( *s_path->m_name != '\0' ) {
1246 path_error(s_path, AFPERR_PARAM);
1249 /* one of the handful of places that knows about the path type */
1250 if (copy_path_name(d_vol, newname, ibuf) < 0) {
1251 return( AFPERR_PARAM );
1253 /* newname is always only a filename so curdir *is* its
1256 if (NULL == (upath = mtoupath(d_vol, newname, curdir->d_did, utf8_encoding()))) {
1257 return( AFPERR_PARAM );
1259 if ( (err = copyfile(s_vol, d_vol, p, upath , newname, adp)) < 0 ) {
1265 if (vol->v_flags & AFPVOL_DROPBOX) {
1266 retvalue=matchfile2dirperms(upath, vol, ddid); /* FIXME sdir or ddid */
1268 #endif /* DROPKLUDGE */
1270 setvoltime(obj, d_vol );
1273 LOG(log_info, logtype_afpd, "end afp_copyfile:");
1279 /* ----------------------- */
1280 static int copy_all(const int dfd, const void *buf,
1286 LOG(log_info, logtype_afpd, "begin copy_all:");
1289 while (buflen > 0) {
1290 if ((cc = write(dfd, buf, buflen)) < 0) {
1302 LOG(log_info, logtype_afpd, "end copy_all:");
1308 /* --------------------------
1309 * copy only the fork data stream
1311 static int copy_fork(int eid, struct adouble *add, struct adouble *ads)
1318 if (eid == ADEID_DFORK) {
1319 sfd = ad_data_fileno(ads);
1320 dfd = ad_data_fileno(add);
1323 sfd = ad_reso_fileno(ads);
1324 dfd = ad_reso_fileno(add);
1327 if ((off_t)-1 == lseek(sfd, ad_getentryoff(ads, eid), SEEK_SET))
1330 if ((off_t)-1 == lseek(dfd, ad_getentryoff(add, eid), SEEK_SET))
1333 #if 0 /* ifdef SENDFILE_FLAVOR_LINUX */
1334 /* doesn't work With 2.6 FIXME, only check for EBADFD ? */
1338 #define BUF 128*1024*1024
1340 if (fstat(sfd, &st) == 0) {
1343 if ( offset >= st.st_size) {
1346 size = (st.st_size -offset > BUF)?BUF:st.st_size -offset;
1347 if ((cc = sys_sendfile(dfd, sfd, &offset, size)) < 0) {
1350 case EINVAL: /* there's no guarantee that all fs support sendfile */
1359 lseek(sfd, offset, SEEK_SET);
1363 if ((cc = read(sfd, filebuf, sizeof(filebuf))) < 0) {
1370 if (!cc || ((err = copy_all(dfd, filebuf, cc)) < 0)) {
1377 /* ----------------------------------
1378 * if newname is NULL (from directory.c) we don't want to copy the resource fork.
1379 * because we are doing it elsewhere.
1380 * currently if newname is NULL then adp is NULL.
1382 int copyfile(s_vol, d_vol, src, dst, newname, adp )
1383 const struct vol *s_vol, *d_vol;
1384 char *src, *dst, *newname;
1385 struct adouble *adp;
1387 struct adouble ads, add;
1395 LOG(log_info, logtype_afpd, "begin copyfile:");
1399 ad_init(&ads, s_vol->v_adouble, s_vol->v_ad_options);
1402 ad_init(&add, d_vol->v_adouble, d_vol->v_ad_options);
1403 adflags = ADFLAGS_DF;
1405 adflags |= ADFLAGS_HF;
1408 if (ad_open(src , adflags | ADFLAGS_NOHF, O_RDONLY, 0, adp) < 0) {
1413 if (ad_meta_fileno(adp) == -1 && ad_reso_fileno(adp) == -1) { /* META / HF */
1414 /* no resource fork, don't create one for dst file */
1415 adflags &= ~ADFLAGS_HF;
1418 stat_result = fstat(ad_data_fileno(adp), &st); /* saving stat exit code, thus saving us on one more stat later on */
1420 if (stat_result < 0) {
1421 /* unlikely but if fstat fails, the default file mode will be 0666. */
1422 st.st_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
1425 if (ad_open(dst , adflags, O_RDWR|O_CREAT|O_EXCL, st.st_mode, &add) < 0) {
1427 ad_close( adp, adflags );
1428 if (EEXIST != ret_err) {
1429 deletefile(d_vol, dst, 0);
1432 return AFPERR_EXIST;
1434 /* XXX if the source and the dest don't use the same resource type it's broken
1436 if (ad_reso_fileno(adp) == -1 || 0 == (err = copy_fork(ADEID_RFORK, &add, adp))){
1437 /* copy the data fork */
1438 err = copy_fork(ADEID_DFORK, &add, adp);
1445 if (!ret_err && newname && (adflags & ADFLAGS_HF)) {
1446 /* set the new name in the resource fork */
1447 ad_copy_header(&add, adp);
1448 ad_setname(&add, newname);
1451 ad_close( adp, adflags );
1453 if (ad_close( &add, adflags ) <0) {
1458 deletefile(d_vol, dst, 0);
1460 else if (stat_result == 0) {
1461 /* set dest modification date to src date */
1464 ut.actime = ut.modtime = st.st_mtime;
1466 /* FIXME netatalk doesn't use resource fork file date
1467 * but maybe we should set its modtime too.
1472 LOG(log_info, logtype_afpd, "end copyfile:");
1476 switch ( ret_err ) {
1482 return AFPERR_DFULL;
1484 return AFPERR_NOOBJ;
1486 return AFPERR_ACCESS;
1488 return AFPERR_VLOCK;
1490 return AFPERR_PARAM;
1494 /* -----------------------------------
1495 vol: not NULL delete cnid entry. then we are in curdir and file is a only filename
1496 checkAttrib: 1 check kFPDeleteInhibitBit (deletfile called by afp_delete)
1498 when deletefile is called we don't have lock on it, file is closed (for us)
1499 untrue if called by renamefile
1501 ad_open always try to open file RDWR first and ad_lock takes care of
1502 WRITE lock on read only file.
1505 static int check_attrib(struct adouble *adp)
1507 u_int16_t bshort = 0;
1509 ad_getattr(adp, &bshort);
1511 * Does kFPDeleteInhibitBit (bit 8) set?
1513 if ((bshort & htons(ATTRBIT_NODELETE))) {
1514 return AFPERR_OLOCK;
1516 if ((bshort & htons(ATTRBIT_DOPEN | ATTRBIT_ROPEN))) {
1522 int deletefile( vol, file, checkAttrib )
1523 const struct vol *vol;
1528 struct adouble *adp = &ad;
1529 int adflags, err = AFP_OK;
1532 LOG(log_info, logtype_afpd, "begin deletefile:");
1535 /* try to open both forks at once */
1536 adflags = ADFLAGS_DF|ADFLAGS_HF;
1538 /* was EACCESS error try to get only metadata */
1539 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1540 if ( ad_metadata( file , ADFLAGS_OPENFORKS, &ad) == 0 ) {
1541 ad_close( &ad, adflags );
1542 if ((err = check_attrib(&ad))) {
1549 ad_init(&ad, vol->v_adouble, vol->v_ad_options); /* OK */
1550 if ( ad_open( file, adflags, O_RDONLY, 0, &ad ) < 0 ) {
1553 if (adflags == ADFLAGS_DF)
1554 return AFPERR_NOOBJ;
1556 /* that failed. now try to open just the data fork */
1557 adflags = ADFLAGS_DF;
1561 adp = NULL; /* maybe it's a file with no write mode for us */
1562 break; /* was return AFPERR_ACCESS;*/
1564 return AFPERR_VLOCK;
1566 return( AFPERR_PARAM );
1569 break; /* from the while */
1572 if (adp && (adflags & ADFLAGS_HF) ) {
1573 /* FIXME we have a pb here because we want to know if a file is open
1574 * there's a 'priority inversion' if you can't open the ressource fork RW
1575 * you can delete it if it's open because you can't get a write lock.
1577 * ADLOCK_FILELOCK means the whole ressource fork, not only after the
1580 * FIXME it doesn't work for RFORK open read only and fork open without deny mode
1582 if (ad_tmplock(&ad, ADEID_RFORK, ADLOCK_WR |ADLOCK_FILELOCK, 0, 0, 0) < 0 ) {
1583 ad_close( &ad, adflags );
1584 return( AFPERR_BUSY );
1588 if (adp && ad_tmplock( &ad, ADEID_DFORK, ADLOCK_WR, 0, 0, 0 ) < 0) {
1591 else if (!(err = vol->vfs->rf_deletefile(vol, file)) && !(err = netatalk_unlink( file )) ) {
1593 if (checkAttrib && (id = cnid_get(vol->v_cdb, curdir->d_did, file, strlen(file))))
1595 cnid_delete(vol->v_cdb, id);
1599 ad_close( &ad, adflags ); /* ad_close removes locks if any */
1602 LOG(log_info, logtype_afpd, "end deletefile:");
1608 /* ------------------------------------ */
1609 /* return a file id */
1610 int afp_createid(obj, ibuf, ibuflen, rbuf, rbuflen )
1613 int ibuflen _U_, *rbuflen;
1622 struct path *s_path;
1625 LOG(log_info, logtype_afpd, "begin afp_createid:");
1632 memcpy(&vid, ibuf, sizeof(vid));
1633 ibuf += sizeof(vid);
1635 if (NULL == ( vol = getvolbyvid( vid )) ) {
1636 return( AFPERR_PARAM);
1639 if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1643 if (vol->v_flags & AFPVOL_RO)
1644 return AFPERR_VLOCK;
1646 memcpy(&did, ibuf, sizeof( did ));
1647 ibuf += sizeof(did);
1649 if (NULL == ( dir = dirlookup( vol, did )) ) {
1650 return afp_errno; /* was AFPERR_PARAM */
1653 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
1654 return get_afp_errno(AFPERR_NOOBJ); /* was AFPERR_PARAM */
1657 if ( path_isadir(s_path) ) {
1658 return( AFPERR_BADTYPE );
1661 upath = s_path->u_name;
1662 switch (s_path->st_errno) {
1664 break; /* success */
1667 return AFPERR_ACCESS;
1669 return AFPERR_NOOBJ;
1671 return AFPERR_PARAM;
1674 if ((id = cnid_lookup(vol->v_cdb, st, did, upath, len = strlen(upath)))) {
1675 memcpy(rbuf, &id, sizeof(id));
1676 *rbuflen = sizeof(id);
1677 return AFPERR_EXISTID;
1680 if ((id = get_id(vol, NULL, st, did, upath, len)) != CNID_INVALID) {
1681 memcpy(rbuf, &id, sizeof(id));
1682 *rbuflen = sizeof(id);
1687 LOG(log_info, logtype_afpd, "ending afp_createid...:");
1692 /* ------------------------------- */
1698 static int reenumerate_loop(struct dirent *de, char *mname _U_, void *data)
1701 struct reenum *param = data;
1702 struct vol *vol = param->vol;
1703 cnid_t did = param->did;
1706 memset(&path, 0, sizeof(path));
1708 if ( stat(de->d_name, &path.st)<0 )
1711 /* update or add to cnid */
1712 aint = cnid_add(vol->v_cdb, &path.st, did, de->d_name, strlen(de->d_name), 0); /* ignore errors */
1714 #if AD_VERSION > AD_VERSION1
1715 if (aint != CNID_INVALID && !S_ISDIR(path.st.st_mode)) {
1716 struct adouble ad, *adp;
1720 path.u_name = de->d_name;
1722 adp = of_ad(vol, &path, &ad);
1724 if ( ad_open_metadata( de->d_name, 0, 0, adp ) < 0 ) {
1727 if (ad_setid(adp, path.st.st_dev, path.st.st_ino, aint, did, vol->v_stamp)) {
1730 ad_close_metadata(adp);
1732 #endif /* AD_VERSION > AD_VERSION1 */
1737 /* --------------------
1738 * Ok the db is out of synch with the dir.
1739 * but if it's a deleted file we don't want to do it again and again.
1742 reenumerate_id(struct vol *vol, char *name, struct dir *dir)
1748 if (vol->v_cdb == NULL) {
1752 /* FIXME use of_statdir ? */
1753 if (stat(name, &st)) {
1757 if (dirreenumerate(dir, &st)) {
1758 /* we already did it once and the dir haven't been modified */
1763 data.did = dir->d_did;
1764 if ((ret = for_each_dirent(vol, name, reenumerate_loop, (void *)&data)) >= 0) {
1765 setdiroffcnt(curdir, &st, ret);
1766 dir->d_flags |= DIRF_CNID;
1772 /* ------------------------------
1773 resolve a file id */
1774 int afp_resolveid(obj, ibuf, ibuflen, rbuf, rbuflen )
1777 int ibuflen _U_, *rbuflen;
1783 int err, buflen, retry=0;
1785 u_int16_t vid, bitmap;
1787 static char buffer[12 + MAXPATHLEN + 1];
1788 int len = 12 + MAXPATHLEN + 1;
1791 LOG(log_info, logtype_afpd, "begin afp_resolveid:");
1797 memcpy(&vid, ibuf, sizeof(vid));
1798 ibuf += sizeof(vid);
1800 if (NULL == ( vol = getvolbyvid( vid )) ) {
1801 return( AFPERR_PARAM);
1804 if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1808 memcpy(&id, ibuf, sizeof( id ));
1813 /* some MacOS versions after a catsearch do a *lot* of afp_resolveid with 0 */
1817 memset(&path, 0, sizeof(path));
1818 if (NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, len)) ) {
1819 return AFPERR_NOID; /* was AFPERR_BADID, but help older Macs */
1822 if (NULL == ( dir = dirlookup( vol, id )) ) {
1823 return AFPERR_NOID; /* idem AFPERR_PARAM */
1825 path.u_name = upath;
1826 if (movecwd(vol, dir) < 0) {
1830 return AFPERR_ACCESS;
1834 return AFPERR_PARAM;
1838 if ( of_stat(&path) < 0 ) {
1840 /* with nfs and our working directory is deleted */
1841 if (errno == ESTALE) {
1845 if ( errno == ENOENT && !retry) {
1846 /* cnid db is out of sync, reenumerate the directory and update ids */
1847 reenumerate_id(vol, ".", dir);
1855 return AFPERR_ACCESS;
1859 return AFPERR_PARAM;
1863 /* directories are bad */
1864 if (S_ISDIR(path.st.st_mode))
1865 return AFPERR_BADTYPE;
1867 memcpy(&bitmap, ibuf, sizeof(bitmap));
1868 bitmap = ntohs( bitmap );
1869 if (NULL == (path.m_name = utompath(vol, upath, cnid, utf8_encoding()))) {
1873 if (AFP_OK != (err = getfilparams(vol, bitmap, &path , curdir,
1874 rbuf + sizeof(bitmap), &buflen))) {
1877 *rbuflen = buflen + sizeof(bitmap);
1878 memcpy(rbuf, ibuf, sizeof(bitmap));
1881 LOG(log_info, logtype_afpd, "end afp_resolveid:");
1887 /* ------------------------------ */
1888 int afp_deleteid(obj, ibuf, ibuflen, rbuf, rbuflen )
1890 char *ibuf, *rbuf _U_;
1891 int ibuflen _U_, *rbuflen;
1901 static char buffer[12 + MAXPATHLEN + 1];
1902 int len = 12 + MAXPATHLEN + 1;
1905 LOG(log_info, logtype_afpd, "begin afp_deleteid:");
1911 memcpy(&vid, ibuf, sizeof(vid));
1912 ibuf += sizeof(vid);
1914 if (NULL == ( vol = getvolbyvid( vid )) ) {
1915 return( AFPERR_PARAM);
1918 if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1922 if (vol->v_flags & AFPVOL_RO)
1923 return AFPERR_VLOCK;
1925 memcpy(&id, ibuf, sizeof( id ));
1929 if (NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, len)) ) {
1933 if (NULL == ( dir = dirlookup( vol, id )) ) {
1934 return( AFPERR_PARAM );
1938 if ((movecwd(vol, dir) < 0) || (stat(upath, &st) < 0)) {
1942 return AFPERR_ACCESS;
1947 /* still try to delete the id */
1951 return AFPERR_PARAM;
1954 else if (S_ISDIR(st.st_mode)) /* directories are bad */
1955 return AFPERR_BADTYPE;
1957 if (cnid_delete(vol->v_cdb, fileid)) {
1960 return AFPERR_VLOCK;
1963 return AFPERR_ACCESS;
1965 return AFPERR_PARAM;
1970 LOG(log_info, logtype_afpd, "end afp_deleteid:");
1976 /* ------------------------------ */
1977 static struct adouble *find_adouble(struct path *path, struct ofork **of, struct adouble *adp)
1981 if (path->st_errno) {
1982 switch (path->st_errno) {
1984 afp_errno = AFPERR_NOID;
1988 afp_errno = AFPERR_ACCESS;
1991 afp_errno = AFPERR_PARAM;
1996 /* we use file_access both for legacy Mac perm and
1997 * for unix privilege, rename will take care of folder perms
1999 if (file_access(path, OPENACC_WR ) < 0) {
2000 afp_errno = AFPERR_ACCESS;
2004 if ((*of = of_findname(path))) {
2005 /* reuse struct adouble so it won't break locks */
2009 ret = ad_open( path->u_name, ADFLAGS_HF, O_RDONLY, 0, adp);
2011 if ( !ret && ad_reso_fileno(adp) != -1 && !(adp->ad_resource_fork.adf_flags & ( O_RDWR | O_WRONLY))) {
2013 * The user must have the Read & Write privilege for both files in order to use this command.
2015 ad_close(adp, ADFLAGS_HF);
2016 afp_errno = AFPERR_ACCESS;
2023 #define APPLETEMP ".AppleTempXXXXXX"
2025 int afp_exchangefiles(obj, ibuf, ibuflen, rbuf, rbuflen )
2027 char *ibuf, *rbuf _U_ ;
2028 int ibuflen _U_, *rbuflen;
2030 struct stat srcst, destst;
2032 struct dir *dir, *sdir;
2033 char *spath, temp[17], *p;
2034 char *supath, *upath;
2039 struct adouble *adsp = NULL;
2040 struct adouble *addp = NULL;
2041 struct ofork *s_of = NULL;
2042 struct ofork *d_of = NULL;
2053 LOG(log_info, logtype_afpd, "begin afp_exchangefiles:");
2059 memcpy(&vid, ibuf, sizeof(vid));
2060 ibuf += sizeof(vid);
2062 if (NULL == ( vol = getvolbyvid( vid )) ) {
2063 return( AFPERR_PARAM);
2066 if ((vol->v_flags & AFPVOL_RO))
2067 return AFPERR_VLOCK;
2069 /* source and destination dids */
2070 memcpy(&sid, ibuf, sizeof(sid));
2071 ibuf += sizeof(sid);
2072 memcpy(&did, ibuf, sizeof(did));
2073 ibuf += sizeof(did);
2076 if (NULL == (dir = dirlookup( vol, sid )) ) {
2077 return afp_errno; /* was AFPERR_PARAM */
2080 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
2081 return get_afp_errno(AFPERR_NOOBJ);
2084 if ( path_isadir(path) ) {
2085 return AFPERR_BADTYPE; /* it's a dir */
2088 /* save some stuff */
2091 spath = obj->oldtmp;
2092 supath = obj->newtmp;
2093 strcpy(spath, path->m_name);
2094 strcpy(supath, path->u_name); /* this is for the cnid changing */
2095 p = absupath( vol, sdir, supath);
2097 /* pathname too long */
2098 return AFPERR_PARAM ;
2101 ad_init(&ads, vol->v_adouble, vol->v_ad_options);
2102 if (!(adsp = find_adouble( path, &s_of, &ads))) {
2106 /* ***** from here we may have resource fork open **** */
2108 /* look for the source cnid. if it doesn't exist, don't worry about
2110 sid = cnid_lookup(vol->v_cdb, &srcst, sdir->d_did, supath,slen = strlen(supath));
2112 if (NULL == ( dir = dirlookup( vol, did )) ) {
2113 err = afp_errno; /* was AFPERR_PARAM */
2114 goto err_exchangefile;
2117 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
2118 err = get_afp_errno(AFPERR_NOOBJ);
2119 goto err_exchangefile;
2122 if ( path_isadir(path) ) {
2123 err = AFPERR_BADTYPE;
2124 goto err_exchangefile;
2127 /* FPExchangeFiles is the only call that can return the SameObj
2129 if ((curdir == sdir) && strcmp(spath, path->m_name) == 0) {
2130 err = AFPERR_SAMEOBJ;
2131 goto err_exchangefile;
2134 ad_init(&add, vol->v_adouble, vol->v_ad_options);
2135 if (!(addp = find_adouble( path, &d_of, &add))) {
2137 goto err_exchangefile;
2141 /* they are not on the same device and at least one is open
2142 * FIXME broken for for crossdev and adouble v2
2145 crossdev = (srcst.st_dev != destst.st_dev);
2146 if (/* (d_of || s_of) && */ crossdev) {
2148 goto err_exchangefile;
2151 /* look for destination id. */
2152 upath = path->u_name;
2153 did = cnid_lookup(vol->v_cdb, &destst, curdir->d_did, upath, dlen = strlen(upath));
2155 /* construct a temp name.
2156 * NOTE: the temp file will be in the dest file's directory. it
2157 * will also be inaccessible from AFP. */
2158 memcpy(temp, APPLETEMP, sizeof(APPLETEMP));
2159 if (!mktemp(temp)) {
2161 goto err_exchangefile;
2165 /* FIXME we need to close fork for copy, both s_of and d_of are null */
2166 ad_close(adsp, ADFLAGS_HF);
2167 ad_close(addp, ADFLAGS_HF);
2170 /* now, quickly rename the file. we error if we can't. */
2171 if ((err = renamefile(vol, p, temp, temp, adsp)) != AFP_OK)
2172 goto err_exchangefile;
2173 of_rename(vol, s_of, sdir, spath, curdir, temp);
2175 /* rename destination to source */
2176 if ((err = renamefile(vol, upath, p, spath, addp)) != AFP_OK)
2177 goto err_src_to_tmp;
2178 of_rename(vol, d_of, curdir, path->m_name, sdir, spath);
2180 /* rename temp to destination */
2181 if ((err = renamefile(vol, temp, upath, path->m_name, adsp)) != AFP_OK)
2182 goto err_dest_to_src;
2183 of_rename(vol, s_of, curdir, temp, curdir, path->m_name);
2185 /* id's need switching. src -> dest and dest -> src.
2186 * we need to re-stat() if it was a cross device copy.
2189 cnid_delete(vol->v_cdb, sid);
2192 cnid_delete(vol->v_cdb, did);
2194 if ((did && ( (crossdev && stat( upath, &srcst) < 0) ||
2195 cnid_update(vol->v_cdb, did, &srcst, curdir->d_did,upath, dlen) < 0))
2197 (sid && ( (crossdev && stat(p, &destst) < 0) ||
2198 cnid_update(vol->v_cdb, sid, &destst, sdir->d_did,supath, slen) < 0))
2203 err = AFPERR_ACCESS;
2208 goto err_temp_to_dest;
2211 /* here we need to reopen if crossdev */
2212 if (sid && ad_setid(addp, destst.st_dev, destst.st_ino, sid, sdir->d_did, vol->v_stamp))
2217 if (did && ad_setid(adsp, srcst.st_dev, srcst.st_ino, did, curdir->d_did, vol->v_stamp))
2222 /* change perms, src gets dest perm and vice versa */
2227 LOG(log_error, logtype_afpd, "seteuid failed %s", strerror(errno));
2228 err = AFP_OK; /* ignore error */
2229 goto err_temp_to_dest;
2233 * we need to exchange ACL entries as well
2235 /* exchange_acls(vol, p, upath); */
2240 path->m_name = NULL;
2241 path->u_name = upath;
2243 setfilunixmode(vol, path, destst.st_mode);
2244 setfilowner(vol, destst.st_uid, destst.st_gid, path);
2251 setfilunixmode(vol, path, srcst.st_mode);
2252 setfilowner(vol, srcst.st_uid, srcst.st_gid, path);
2254 if ( setegid(gid) < 0 || seteuid(uid) < 0) {
2255 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2260 LOG(log_info, logtype_afpd, "ending afp_exchangefiles:");
2264 goto err_exchangefile;
2266 /* all this stuff is so that we can unwind a failed operation
2269 /* rename dest to temp */
2270 renamefile(vol, upath, temp, temp, adsp);
2271 of_rename(vol, s_of, curdir, upath, curdir, temp);
2274 /* rename source back to dest */
2275 renamefile(vol, p, upath, path->m_name, addp);
2276 of_rename(vol, d_of, sdir, spath, curdir, path->m_name);
2279 /* rename temp back to source */
2280 renamefile(vol, temp, p, spath, adsp);
2281 of_rename(vol, s_of, curdir, temp, sdir, spath);
2284 if ( !s_of && adsp && ad_meta_fileno(adsp) != -1 ) { /* META */
2285 ad_close(adsp, ADFLAGS_HF);
2287 if ( !d_of && addp && ad_meta_fileno(addp) != -1 ) {/* META */
2288 ad_close(addp, ADFLAGS_HF);