2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
15 #include <sys/param.h>
21 #include <atalk/adouble.h>
22 #include <atalk/vfs.h>
23 #include <atalk/afp.h>
24 #include <atalk/util.h>
25 #include <atalk/cnid.h>
26 #include <atalk/logger.h>
27 #include <atalk/uuid.h>
28 #include <atalk/unix.h>
29 #include <atalk/bstrlib.h>
30 #include <atalk/bstradd.h>
31 #include <atalk/errchk.h>
32 #include <atalk/globals.h>
34 #include "directory.h"
46 * FIXMEs, loose ends after the dircache rewrite:
47 * o merge dircache_search_by_name and dir_add ??
48 * o case-insensitivity is gone from cname
52 /*******************************************************************************************
54 ******************************************************************************************/
57 /* As long as directory.c hasn't got its own init call, this get initialized in dircache_init */
58 struct dir rootParent = {
59 NULL, NULL, NULL, NULL, /* path, d_m_name, d_u_name, d_m_name_ucs2 */
60 NULL, 0, 0, /* qidx_node, ctime, d_flags */
61 0, 0, 0, 0 /* pdid, did, offcnt, d_vid */
63 struct dir *curdir = &rootParent;
64 struct path Cur_Path = {
69 NULL,/* struct dir * */
70 0, /* stat is not set */
76 * dir_remove queues struct dirs to be freed here. We can't just delete them immeidately
77 * eg in dircache_search_by_id, because a caller somewhere up the stack might be
80 * - we mark it as invalid by setting d_did to CNID_INVALID (ie 0)
81 * - queue it in "invalid_dircache_entries" queue
82 * - which is finally freed at the end of every AFP func in afp_dsi.c.
84 q_t *invalid_dircache_entries;
87 /*******************************************************************************************
89 ******************************************************************************************/
92 /* -------------------------
93 appledouble mkdir afp error code.
95 static int netatalk_mkdir(const struct vol *vol, const char *name)
100 if (vol->v_flags & AFPVOL_UNIX_PRIV) {
101 if (lstat(".", &st) < 0)
103 int mode = (DIRBITS & (~S_ISGID & st.st_mode)) | (0777 & ~vol->v_umask);
104 LOG(log_maxdebug, logtype_afpd, "netatalk_mkdir(\"%s\") {parent mode: %04o, vol umask: %04o}",
105 name, st.st_mode, vol->v_umask);
107 ret = mkdir(name, mode);
109 ret = ad_mkdir(name, DIRBITS | 0777);
115 return( AFPERR_NOOBJ );
117 return( AFPERR_VLOCK );
120 return( AFPERR_ACCESS );
122 return( AFPERR_EXIST );
125 return( AFPERR_DFULL );
127 return( AFPERR_PARAM );
133 /* ------------------- */
134 static int deletedir(int dirfd, char *dir)
136 char path[MAXPATHLEN + 1];
144 if ((len = strlen(dir)) +2 > sizeof(path))
148 if ((dp = opendirat(dirfd, dir)) == NULL)
154 remain = sizeof(path) -len -1;
155 while ((de = readdir(dp)) && err == AFP_OK) {
156 /* skip this and previous directory */
157 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
160 if (strlen(de->d_name) > remain) {
164 strcpy(path + len, de->d_name);
165 if (lstatat(dirfd, path, &st)) {
168 if (S_ISDIR(st.st_mode)) {
169 err = deletedir(dirfd, path);
171 err = netatalk_unlinkat(dirfd, path);
176 /* okay. the directory is empty. delete it. note: we already got rid
179 err = netatalk_rmdir(dirfd, dir);
184 /* do a recursive copy. */
185 static int copydir(const struct vol *vol, int dirfd, char *src, char *dst)
187 char spath[MAXPATHLEN + 1], dpath[MAXPATHLEN + 1];
196 /* doesn't exist or the path is too long. */
197 if (((slen = strlen(src)) > sizeof(spath) - 2) ||
198 ((dlen = strlen(dst)) > sizeof(dpath) - 2) ||
199 ((dp = opendirat(dirfd, src)) == NULL))
202 /* try to create the destination directory */
203 if (AFP_OK != (err = netatalk_mkdir(vol, dst)) ) {
208 /* set things up to copy */
212 srem = sizeof(spath) - slen -1;
217 drem = sizeof(dpath) - dlen -1;
220 while ((de = readdir(dp))) {
221 /* skip this and previous directory */
222 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
225 if (strlen(de->d_name) > srem) {
229 strcpy(spath + slen, de->d_name);
231 if (lstatat(dirfd, spath, &st) == 0) {
232 if (strlen(de->d_name) > drem) {
236 strcpy(dpath + dlen, de->d_name);
238 if (S_ISDIR(st.st_mode)) {
239 if (AFP_OK != (err = copydir(vol, dirfd, spath, dpath)))
241 } else if (AFP_OK != (err = copyfile(vol, vol, dirfd, spath, dpath, NULL, NULL))) {
245 /* keep the same time stamp. */
246 ut.actime = ut.modtime = st.st_mtime;
252 /* keep the same time stamp. */
253 if (lstatat(dirfd, src, &st) == 0) {
254 ut.actime = ut.modtime = st.st_mtime;
263 /* ---------------------
264 * is our cached offspring count valid?
266 static int diroffcnt(struct dir *dir, struct stat *st)
268 return st->st_ctime == dir->d_ctime;
271 /* --------------------- */
272 static int invisible_dots(const struct vol *vol, const char *name)
274 return vol_inv_dots(vol) && *name == '.' && strcmp(name, ".") && strcmp(name, "..");
277 /* ------------------ */
278 static int set_dir_errors(struct path *path, const char *where, int err)
283 return AFPERR_ACCESS;
287 LOG(log_error, logtype_afpd, "setdirparam(%s): %s: %s", fullpathname(path->u_name), where, strerror(err) );
292 * @brief Convert name in client encoding to server encoding
294 * Convert ret->m_name to ret->u_name from client encoding to server encoding.
295 * This only gets called from cname().
297 * @returns 0 on success, -1 on error
299 * @note If the passed ret->m_name is mangled, we'll demangle it
301 static int cname_mtouname(const struct vol *vol, const struct dir *dir, struct path *ret, int toUTF8)
303 static char temp[ MAXPATHLEN + 1];
307 if (afp_version >= 30) {
309 if (dir->d_did == DIRDID_ROOT_PARENT) {
311 * With uft8 volume name is utf8-mac, but requested path may be a mangled longname. See #2611981.
312 * So we compare it with the longname from the current volume and if they match
313 * we overwrite the requested path with the utf8 volume name so that the following
316 ucs2_to_charset(vol->v_maccharset, vol->v_macname, temp, AFPVOL_MACNAMELEN + 1);
317 if (strcasecmp(ret->m_name, temp) == 0)
318 ucs2_to_charset(CH_UTF8_MAC, vol->v_u8mname, ret->m_name, AFPVOL_U8MNAMELEN);
321 if (mtoUTF8(vol, ret->m_name, strlen(ret->m_name), temp, MAXPATHLEN) == (size_t)-1) {
322 afp_errno = AFPERR_PARAM;
325 strcpy(ret->m_name, temp);
329 /* check for OS X mangled filename :( */
330 t = demangle_osx(vol, ret->m_name, dir->d_did, &fileid);
331 LOG(log_maxdebug, logtype_afpd, "cname_mtouname('%s',did:%u) {demangled:'%s', fileid:%u}",
332 ret->m_name, ntohl(dir->d_did), t, ntohl(fileid));
334 if (t != ret->m_name) {
336 /* duplicate work but we can't reuse all convert_char we did in demangle_osx
337 * flags weren't the same
339 if ( (t = utompath(vol, ret->u_name, fileid, utf8_encoding())) ) {
340 /* at last got our view of mac name */
341 strcpy(ret->m_name, t);
344 } /* afp_version >= 30 */
346 /* If we haven't got it by now, get it */
347 if (ret->u_name == NULL) {
348 if ((ret->u_name = mtoupath(vol, ret->m_name, dir->d_did, utf8_encoding())) == NULL) {
349 afp_errno = AFPERR_PARAM;
358 * @brief Build struct path from struct dir
360 * The final movecwd in cname failed, possibly with EPERM or ENOENT. We:
361 * 1. move cwd into parent dir (we're often already there, but not always)
362 * 2. set struct path to the dirname
364 * AFPERR_ACCESS: the dir is there, we just cant chdir into it
365 * AFPERR_NOOBJ: the dir was there when we stated it in cname, so we have a race
366 * 4. indicate there's no dir for this path
369 static struct path *path_from_dir(struct vol *vol, struct dir *dir, struct path *ret)
371 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
377 if (movecwd( vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
380 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1); /* 3 */
381 if (dir->d_m_name == dir->d_u_name) {
382 ret->u_name = ret->m_name;
384 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
385 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
390 LOG(log_debug, logtype_afpd, "cname('%s') {path-from-dir: AFPERR_ACCESS. curdir:'%s', path:'%s'}",
391 cfrombstr(dir->d_fullpath),
392 cfrombstr(curdir->d_fullpath),
398 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
401 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1);
402 if (dir->d_m_name == dir->d_u_name) {
403 ret->u_name = ret->m_name;
405 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
406 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
409 ret->d_dir = NULL; /* 4 */
410 dir_remove(vol, dir); /* 5 */
417 /* DEADC0DE: never get here */
422 /*********************************************************************************************
424 ********************************************************************************************/
426 int get_afp_errno(const int param)
428 if (afp_errno != AFPERR_DID1)
434 * Resolve struct dir for an absolute path
436 * Given a path like "/Volumes/volume/dir/subdir" in a volume "/Volumes/volume" return
437 * a pointer to struct dir of "subdir".
438 * 1. Remove volue path from absolute path
440 * 3. loop through all elements of the remaining path from 1.
441 * 4. we only allow dirs
443 * 6. if not found in the dircache query the CNID database for the DID
444 * 7. and use dirlookup to resolve the DID to a it's struct dir *
446 * @param vol (r) volume the path is in, must be known
447 * @param path (r) absoule path
449 * @returns pointer to struct dir or NULL on error
451 struct dir *dirlookup_bypath(const struct vol *vol, const char *path)
455 struct dir *dir = NULL;
457 bstring rpath = NULL;
458 bstring statpath = NULL;
459 struct bstrList *l = NULL;
465 EC_NULL(rpath = rel_path_in_vol(path, vol->v_path)); /* 1. */
466 EC_NULL(statpath = bfromcstr(vol->v_path)); /* 2. */
468 l = bsplit(rpath, '/');
469 for (int i = 0; i < l->qty ; i++) { /* 3. */
471 EC_ZERO(bcatcstr(statpath, "/"));
472 EC_ZERO(bconcat(statpath, l->entry[i]));
473 EC_ZERO_LOGSTR(lstat(cfrombstr(statpath), &st),
474 "lstat(rpath: %s, elem: %s): %s: %s",
475 cfrombstr(rpath), cfrombstr(l->entry[i]),
476 cfrombstr(statpath), strerror(errno));
478 if (!(S_ISDIR(st.st_mode))) /* 4. */
481 if ((dir = dircache_search_by_name(vol, /* 5. */
483 cfrombstr(l->entry[i]),
484 blength(l->entry[i]))) == NULL) {
485 if ((cnid = cnid_add(vol->v_cdb, /* 6. */
488 cfrombstr(l->entry[i]),
489 blength(l->entry[i]),
490 0)) == CNID_INVALID) {
494 if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
510 * @brief Resolve a DID
512 * Resolve a DID, allocate a struct dir for it
513 * 1. Check for special CNIDs 0 (invalid), 1 and 2.
514 * 2a. Check if the DID is in the cache.
515 * 2b. Check if it's really a dir because we cache files too.
516 * 3. If it's not in the cache resolve it via the database.
517 * 4. Build complete server-side path to the dir.
518 * 5. Check if it exists and is a directory.
519 * 6. Create the struct dir and populate it.
520 * 7. Add it to the cache.
522 * @param vol (r) pointer to struct vol
523 * @param did (r) DID to resolve
525 * @returns pointer to struct dir
527 struct dir *dirlookup(const struct vol *vol, cnid_t did)
529 static char buffer[12 + MAXPATHLEN + 1];
531 struct dir *ret = NULL, *pdir;
532 bstring fullpath = NULL;
533 char *upath = NULL, *mpath;
536 int buflen = 12 + MAXPATHLEN + 1;
540 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): START", ntohl(did));
542 /* check for did 0, 1 and 2 */
543 if (did == 0 || vol == NULL) { /* 1 */
544 afp_errno = AFPERR_PARAM;
547 } else if (did == DIRDID_ROOT_PARENT) {
548 rootParent.d_vid = vol->v_vid;
551 } else if (did == DIRDID_ROOT) {
556 /* Search the cache */
557 if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
558 if (ret->d_flags & DIRF_ISFILE) { /* 2b */
559 afp_errno = AFPERR_BADTYPE;
563 if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
564 LOG(log_debug, logtype_afpd, "dirlookup(did: %u, path: \"%s\"): lstat: %s",
565 ntohl(did), cfrombstr(ret->d_fullpath), strerror(errno));
569 /* It's not there anymore, so remove it */
570 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): calling dir_remove", ntohl(did));
571 dir_remove(vol, ret);
572 afp_errno = AFPERR_NOOBJ;
587 utf8 = utf8_encoding();
588 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
590 /* Get it from the database */
592 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): querying CNID database", ntohl(did));
593 if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
594 afp_errno = AFPERR_NOOBJ;
598 if ((upath = strdup(upath)) == NULL) { /* 3 */
599 afp_errno = AFPERR_NOOBJ;
606 * Recurse up the tree, terminates in dirlookup when either
607 * - DIRDID_ROOT is hit
608 * - a cached entry is found
610 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): recursion for did: %u",
611 ntohl(did), ntohl(pdid));
612 if ((pdir = dirlookup(vol, pdid)) == NULL) {
617 /* build the fullpath */
618 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
619 || bconchar(fullpath, '/') != BSTR_OK
620 || bcatcstr(fullpath, upath) != BSTR_OK) {
625 /* stat it and check if it's a dir */
626 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): stating \"%s\"",
627 ntohl(did), cfrombstr(fullpath));
629 if (lstat(cfrombstr(fullpath), &st) != 0) { /* 5a */
632 afp_errno = AFPERR_NOOBJ;
636 afp_errno = AFPERR_ACCESS;
640 afp_errno = AFPERR_MISC;
645 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
646 afp_errno = AFPERR_BADTYPE;
652 /* Get macname from unix name */
653 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
654 afp_errno = AFPERR_NOOBJ;
659 /* Create struct dir */
660 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, &st)) == NULL) { /* 6 */
661 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
666 /* Add it to the cache only if it's a dir */
667 if (dircache_add(vol, ret) != 0) { /* 7 */
673 if (upath) free(upath);
675 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
676 ntohl(did), AfpErr2name(afp_errno));
685 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): RESULT: pdid: %u, path: \"%s\"",
686 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
691 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
693 int caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
698 static u_int32_t did = 0;
699 static char cname[MAXPATHLEN];
700 static char lname[MAXPATHLEN];
701 ucs2_t u2_path[MAXPATHLEN];
702 ucs2_t u2_dename[MAXPATHLEN];
703 char *tmp, *savepath;
705 if (!(vol->v_flags & AFPVOL_CASEINSEN))
708 if (veto_file(ENUMVETO, path->u_name))
711 savepath = path->u_name;
713 /* very simple cache */
714 if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
715 path->u_name = cname;
717 if (of_stat( path ) == 0 ) {
720 /* something changed, we cannot stat ... */
724 if (NULL == ( dp = opendir( "." )) ) {
725 LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
730 /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
731 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, -1, u2_path, sizeof(u2_path)) )
732 LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
734 /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
736 for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
737 if (NULL == check_dirent(vol, de->d_name))
740 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, -1, u2_dename, sizeof(u2_dename)) )
743 if (strcasecmp_w( u2_path, u2_dename) == 0) {
745 strlcpy(cname, de->d_name, sizeof(cname));
746 path->u_name = cname;
748 if (of_stat( path ) == 0 ) {
749 LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
750 strlcpy(lname, tmp, sizeof(lname));
763 /* invalidate cache */
766 path->u_name = savepath;
768 /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
774 * @brief Construct struct dir
776 * Construct struct dir from parameters.
778 * @param m_name (r) directory name in UTF8-dec
779 * @param u_name (r) directory name in server side encoding
780 * @param vol (r) pointer to struct vol
781 * @param pdid (r) Parent CNID
782 * @param did (r) CNID
783 * @param path (r) Full unix path to object
784 * @param st (r) struct stat of object
786 * @returns pointer to new struct dir or NULL on error
788 * @note Most of the time mac name and unix name are the same.
790 struct dir *dir_new(const char *m_name,
792 const struct vol *vol,
800 dir = (struct dir *) calloc(1, sizeof( struct dir ));
804 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
809 if (convert_string_allocate( (utf8_encoding()) ? CH_UTF8_MAC : vol->v_maccharset,
812 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
813 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
814 dir->d_m_name_ucs2 = NULL;
817 if (m_name == u_name || !strcmp(m_name, u_name)) {
818 dir->d_u_name = dir->d_m_name;
820 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
821 bdestroy(dir->d_m_name);
828 dir->d_vid = vol->v_vid;
829 dir->d_fullpath = path;
830 dir->dcache_ctime = st->st_ctime;
831 dir->dcache_ino = st->st_ino;
832 if (!S_ISDIR(st->st_mode))
833 dir->d_flags = DIRF_ISFILE;
834 dir->d_rights_cache = 0xffffffff;
839 * @brief Free a struct dir and all its members
841 * @param (rw) pointer to struct dir
843 void dir_free(struct dir *dir)
845 if (dir->d_u_name != dir->d_m_name) {
846 bdestroy(dir->d_u_name);
848 if (dir->d_m_name_ucs2)
849 free(dir->d_m_name_ucs2);
850 bdestroy(dir->d_m_name);
851 bdestroy(dir->d_fullpath);
856 * @brief Create struct dir from struct path
858 * Create a new struct dir from struct path. Then add it to the cache.
860 * 1. Open adouble file, get CNID from it.
861 * 2. Search the database, hinting with the CNID from (1).
862 * 3. Build fullpath and create struct dir.
863 * 4. Add it to the cache.
865 * @param vol (r) pointer to struct vol, possibly modified in callee
866 * @param dir (r) pointer to parrent directory
867 * @param path (rw) pointer to struct path with valid path->u_name
868 * @param len (r) strlen of path->u_name
870 * @returns Pointer to new struct dir or NULL on error.
872 * @note Function also assigns path->m_name from path->u_name.
874 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
877 struct dir *cdir = NULL;
880 struct adouble *adp = NULL;
888 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
889 /* there's a stray entry in the dircache */
890 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
891 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
892 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
893 if (dir_remove(vol, cdir) != 0) {
895 AFP_PANIC("dir_add");
899 /* get_id needs adp for reading CNID from adouble file */
900 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
901 if ((ad_open_metadata(path->u_name, ADFLAGS_DIR, 0, &ad)) == 0) /* 1 */
905 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
911 ad_close_metadata(adp);
913 /* Get macname from unixname */
914 if (path->m_name == NULL) {
915 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
916 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
923 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
924 || (bconchar(fullpath, '/') != BSTR_OK)
925 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
926 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
931 /* Allocate and initialize struct dir */
932 if ((cdir = dir_new(path->m_name,
938 &path->st)) == NULL) { /* 3 */
943 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
944 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
950 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
951 cfrombstr(dir->d_u_name), path->u_name, err);
954 ad_close_metadata(adp);
955 if (!cdir && fullpath)
962 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
963 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
964 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
971 * Free the queue with invalid struct dirs
973 * This gets called at the end of every AFP func.
975 void dir_free_invalid_q(void)
978 while (dir = (struct dir *)dequeue(invalid_dircache_entries))
983 * @brief Remove a dir from a cache and queue it for freeing
985 * 1. Check if the dir is locked or has opened forks
986 * 2. Remove it from the cache
987 * 3. Queue it for removal
988 * 4. If it's a request to remove curdir, mark curdir as invalid
989 * 5. Mark it as invalid
991 * @param (r) pointer to struct vol
992 * @param (rw) pointer to struct dir
994 int dir_remove(const struct vol *vol, struct dir *dir)
999 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
1002 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
1003 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
1005 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
1006 enqueue(invalid_dircache_entries, dir); /* 3 */
1008 if (curdir == dir) /* 4 */
1011 dir->d_did = CNID_INVALID; /* 5 */
1018 * @brief Modify a struct dir, adjust cache
1020 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
1021 * If given new_uname == new_mname, new_uname will point to new_mname.
1023 * @param vol (r) pointer to struct vol
1024 * @param dir (rw) pointer to struct dir
1025 * @param pdid (r) new parent DID
1026 * @param did (r) new DID
1027 * @param new_mname (r) new mac-name
1028 * @param new_uname (r) new unix-name
1029 * @param pdir_fullpath (r) new fullpath of parent dir
1031 int dir_modify(const struct vol *vol,
1035 const char *new_mname,
1036 const char *new_uname,
1037 bstring pdir_fullpath)
1041 /* Remove it from the cache */
1042 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
1050 /* free uname if it's not the same as mname */
1051 if (dir->d_m_name != dir->d_u_name)
1052 bdestroy(dir->d_u_name);
1054 if (new_uname == NULL)
1055 new_uname = new_mname;
1057 /* assign new name */
1058 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
1059 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1063 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1064 dir->d_u_name = dir->d_m_name;
1066 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1067 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1073 if (pdir_fullpath) {
1074 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1076 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1078 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1082 if (dir->d_m_name_ucs2)
1083 free(dir->d_m_name_ucs2);
1084 if ((size_t)-1 == convert_string_allocate((utf8_encoding())?CH_UTF8_MAC:vol->v_maccharset, CH_UCS2, dir->d_m_name, -1, (char**)&dir->d_m_name_ucs2))
1085 dir->d_m_name_ucs2 = NULL;
1087 /* Re-add it to the cache */
1088 if ((dircache_add(vol, dir)) != 0) {
1090 AFP_PANIC("dir_modify");
1098 * @brief Resolve a catalog node name path
1100 * 1. Evaluate path type
1101 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1102 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1103 * is dir parent then. All this is done in path_from_dir().
1104 * 3. Parse next cnode name in path, cases:
1105 * 4. single "\0" -> do nothing
1106 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1107 * 6. cnode name -> copy it to path.m_name
1108 * 7. Get unix name from mac name
1109 * 8. Special handling of request with did 1
1110 * 9. stat the cnode name
1111 * 10. If it's not there, it's probably an afp_createfile|dir,
1112 * return with curdir = dir parent, struct path = dirname
1113 * 11. If it's there and it's a file, it must should be the last element of the requested
1114 * path. Return with curdir = cnode name parent dir, struct path = filename
1115 * 12. Treat symlinks like files, dont follow them
1116 * 13. If it's a dir:
1117 * 14. Search the dircache for it
1118 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1119 * 16. chdir into the dir and
1120 * 17. set m_name to the mac equivalent of "."
1123 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1125 static char path[ MAXPATHLEN + 1];
1126 static struct path ret;
1136 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1139 afp_errno = AFPERR_NOOBJ;
1140 memset(&ret, 0, sizeof(ret));
1142 switch (ret.m_type = *data) { /* 1 */
1145 len = (unsigned char) *data++;
1147 if (afp_version >= 30) {
1153 if (afp_version >= 30) {
1155 memcpy(&hint, data, sizeof(hint));
1157 data += sizeof(hint);
1159 memcpy(&len16, data, sizeof(len16));
1165 /* else it's an error */
1167 afp_errno = AFPERR_PARAM;
1170 *cpath += len + size;
1175 if (movecwd(vol, dir) < 0 ) {
1176 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1177 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1179 return path_from_dir(vol, dir, &ret);
1184 while (len) { /* 3 */
1185 if (*data == 0) { /* 4 or 5 */
1188 while (len > 0 && *data == 0) { /* 5 */
1189 /* chdir to parrent dir */
1190 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1192 if (movecwd( vol, dir ) < 0 ) {
1193 dir_remove(vol, dir);
1203 for ( p = path; *data != 0 && len > 0; len-- ) {
1205 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1206 afp_errno = AFPERR_PARAM;
1210 *p = 0; /* Terminate string */
1213 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1214 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1218 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1220 /* Prevent access to our special folders like .AppleDouble */
1221 if (check_name(vol, ret.u_name)) {
1222 /* the name is illegal */
1223 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1224 afp_errno = AFPERR_PARAM;
1228 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1230 * Special case: CNID 1
1231 * root parent (did 1) has one child: the volume. Requests for did=1 with
1232 * some <name> must check against the volume name.
1234 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1240 * CNID != 1, eg. most of the times we take this way.
1241 * Now check if current path-part is a file or dir:
1242 * o if it's dir we have to step into it
1243 * o if it's a file we expect it to be the last part of the requested path
1244 * and thus call continue which should terminate the while loop because
1247 if (of_stat(&ret) != 0) { /* 9 */
1249 * ret.u_name doesn't exist, might be afp_createfile|dir
1250 * that means it should have been the last part
1253 /* it wasn't the last part, so we have a bogus path request */
1254 afp_errno = AFPERR_NOOBJ;
1258 * this will terminate clean in while (1) because len == 0,
1259 * probably afp_createfile|dir
1261 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1262 cfrombstr(dir->d_fullpath), ret.u_name);
1266 switch (ret.st.st_mode & S_IFMT) {
1267 case S_IFREG: /* 11 */
1268 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1269 cfrombstr(dir->d_fullpath), ret.u_name);
1271 /* it wasn't the last part, so we have a bogus path request */
1272 afp_errno = AFPERR_PARAM;
1275 continue; /* continues while loop */
1276 case S_IFLNK: /* 12 */
1277 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1278 cfrombstr(dir->d_fullpath), ret.u_name);
1280 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1281 cfrombstr(dir->d_fullpath), ret.u_name);
1282 afp_errno = AFPERR_PARAM;
1285 continue; /* continues while loop */
1286 case S_IFDIR: /* 13 */
1289 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1290 afp_errno = AFPERR_NODIR;
1294 /* Search the cache */
1295 int unamelen = strlen(ret.u_name);
1296 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
1298 /* Not in cache, create one */
1299 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1300 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1301 ntohl(dir->d_did), ret.u_name, getcwdpath());
1305 } /* if/else cnid==1 */
1307 /* Now chdir to the evaluated dir */
1308 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1309 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1310 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1312 return path_from_dir(vol, cdir, &ret);
1317 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1320 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1321 afp_errno = AFPERR_DID1;
1325 if (ret.m_name[0] == 0) {
1326 /* Last part was a dir */
1327 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1331 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1332 cfrombstr(dir->d_fullpath),
1333 cfrombstr(curdir->d_fullpath),
1340 * @brief chdir() to dir
1342 * @param vol (r) pointer to struct vol
1343 * @param dir (r) pointer to struct dir
1345 * @returns 0 on success, -1 on error with afp_errno set appropiately
1347 int movecwd(const struct vol *vol, struct dir *dir)
1354 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1355 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1357 if (dir->d_did == DIRDID_ROOT_PARENT) {
1358 curdir = &rootParent;
1362 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1363 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1365 if ((ret = lchdir(cfrombstr(dir->d_fullpath))) != 0 ) {
1366 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): ret: %u, %s",
1367 cfrombstr(dir->d_fullpath), ret, strerror(errno));
1369 /* p is a symlink or getcwd failed */
1370 afp_errno = AFPERR_BADTYPE;
1372 if (chdir(vol->v_path ) < 0) {
1373 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1374 /* XXX what do we do here? */
1376 curdir = vol->v_root;
1383 afp_errno = AFPERR_ACCESS;
1386 afp_errno = AFPERR_NOOBJ;
1396 * We can't use unix file's perm to support Apple's inherited protection modes.
1397 * If we aren't the file's owner we can't change its perms when moving it and smb
1398 * nfs,... don't even try.
1400 #define AFP_CHECK_ACCESS
1402 int check_access(char *path, int mode)
1404 #ifdef AFP_CHECK_ACCESS
1412 accessmode(p, &ma, curdir, NULL);
1413 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1415 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1421 /* --------------------- */
1422 int file_access(struct path *path, int mode)
1426 accessmode(path->u_name, &ma, curdir, &path->st);
1428 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1429 path->u_name, ma.ma_user);
1431 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1432 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1435 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1436 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1443 /* --------------------- */
1444 void setdiroffcnt(struct dir *dir, struct stat *st, u_int32_t count)
1446 dir->d_offcnt = count;
1447 dir->d_ctime = st->st_ctime;
1448 dir->d_flags &= ~DIRF_CNID;
1452 /* ---------------------
1453 * is our cached also for reenumerate id?
1455 int dirreenumerate(struct dir *dir, struct stat *st)
1457 return st->st_ctime == dir->d_ctime && (dir->d_flags & DIRF_CNID);
1460 /* ------------------------------
1462 (name, dir) with curdir:name == dir, from afp_enumerate
1465 int getdirparams(const struct vol *vol,
1466 u_int16_t bitmap, struct path *s_path,
1468 char *buf, size_t *buflen )
1472 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1473 int bit = 0, isad = 0;
1479 struct stat *st = &s_path->st;
1480 char *upath = s_path->u_name;
1482 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1483 (1 << DIRPBIT_CDATE) |
1484 (1 << DIRPBIT_MDATE) |
1485 (1 << DIRPBIT_BDATE) |
1486 (1 << DIRPBIT_FINFO)))) {
1488 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1489 if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
1491 if (ad.ad_md->adf_flags & O_CREAT) {
1492 /* We just created it */
1493 if (s_path->m_name == NULL) {
1494 if ((s_path->m_name = utompath(vol,
1497 utf8_encoding())) == NULL) {
1498 LOG(log_error, logtype_afpd,
1499 "getdirparams(\"%s\"): can't assign macname",
1500 cfrombstr(dir->d_fullpath));
1504 ad_setname(&ad, s_path->m_name);
1519 while ( bitmap != 0 ) {
1520 while (( bitmap & 1 ) == 0 ) {
1528 ad_getattr(&ad, &ashort);
1529 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1530 ashort = htons(ATTRBIT_INVISIBLE);
1533 ashort |= htons(ATTRBIT_SHARED);
1534 memcpy( data, &ashort, sizeof( ashort ));
1535 data += sizeof( ashort );
1539 memcpy( data, &pdid, sizeof( pdid ));
1540 data += sizeof( pdid );
1541 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1542 s_path->u_name, ntohl(pdid));
1545 case DIRPBIT_CDATE :
1546 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1547 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1548 memcpy( data, &aint, sizeof( aint ));
1549 data += sizeof( aint );
1552 case DIRPBIT_MDATE :
1553 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1554 memcpy( data, &aint, sizeof( aint ));
1555 data += sizeof( aint );
1558 case DIRPBIT_BDATE :
1559 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1560 aint = AD_DATE_START;
1561 memcpy( data, &aint, sizeof( aint ));
1562 data += sizeof( aint );
1565 case DIRPBIT_FINFO :
1567 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1568 } else { /* no appledouble */
1569 memset( data, 0, 32 );
1570 /* set default view -- this also gets done in ad_open() */
1571 ashort = htons(FINDERINFO_CLOSEDVIEW);
1572 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1574 /* dot files are by default visible */
1575 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1576 ashort = htons(FINDERINFO_INVISIBLE);
1577 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1583 case DIRPBIT_LNAME :
1584 if (dir->d_m_name) /* root of parent can have a null name */
1587 memset(data, 0, sizeof(u_int16_t));
1588 data += sizeof( u_int16_t );
1591 case DIRPBIT_SNAME :
1592 memset(data, 0, sizeof(u_int16_t));
1593 data += sizeof( u_int16_t );
1597 memcpy( data, &dir->d_did, sizeof( aint ));
1598 data += sizeof( aint );
1599 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1600 s_path->u_name, ntohl(dir->d_did));
1603 case DIRPBIT_OFFCNT :
1605 /* this needs to handle current directory access rights */
1606 if (diroffcnt(dir, st)) {
1607 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1609 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1610 setdiroffcnt(dir, st, ret);
1611 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1613 ashort = htons( ashort );
1614 memcpy( data, &ashort, sizeof( ashort ));
1615 data += sizeof( ashort );
1619 aint = htonl(st->st_uid);
1620 memcpy( data, &aint, sizeof( aint ));
1621 data += sizeof( aint );
1625 aint = htonl(st->st_gid);
1626 memcpy( data, &aint, sizeof( aint ));
1627 data += sizeof( aint );
1630 case DIRPBIT_ACCESS :
1631 accessmode( upath, &ma, dir , st);
1633 *data++ = ma.ma_user;
1634 *data++ = ma.ma_world;
1635 *data++ = ma.ma_group;
1636 *data++ = ma.ma_owner;
1639 /* Client has requested the ProDOS information block.
1640 Just pass back the same basic block for all
1641 directories. <shirsch@ibm.net> */
1642 case DIRPBIT_PDINFO :
1643 if (afp_version >= 30) { /* UTF8 name */
1644 utf8 = kTextEncodingUTF8;
1645 if (dir->d_m_name) /* root of parent can have a null name */
1648 memset(data, 0, sizeof(u_int16_t));
1649 data += sizeof( u_int16_t );
1651 memcpy(data, &aint, sizeof( aint ));
1652 data += sizeof( aint );
1654 else { /* ProDOS Info Block */
1657 ashort = htons( 0x0200 );
1658 memcpy( data, &ashort, sizeof( ashort ));
1659 data += sizeof( ashort );
1660 memset( data, 0, sizeof( ashort ));
1661 data += sizeof( ashort );
1665 case DIRPBIT_UNIXPR :
1666 aint = htonl(st->st_uid);
1667 memcpy( data, &aint, sizeof( aint ));
1668 data += sizeof( aint );
1669 aint = htonl(st->st_gid);
1670 memcpy( data, &aint, sizeof( aint ));
1671 data += sizeof( aint );
1674 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1675 memcpy( data, &aint, sizeof( aint ));
1676 data += sizeof( aint );
1678 accessmode( upath, &ma, dir , st);
1680 *data++ = ma.ma_user;
1681 *data++ = ma.ma_world;
1682 *data++ = ma.ma_group;
1683 *data++ = ma.ma_owner;
1688 ad_close_metadata( &ad );
1690 return( AFPERR_BITMAP );
1696 ashort = htons( data - buf );
1697 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1698 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1700 if ( utf_nameoff ) {
1701 ashort = htons( data - buf );
1702 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1703 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1706 ad_close_metadata( &ad );
1708 *buflen = data - buf;
1712 /* ----------------------------- */
1713 int path_error(struct path *path, int error)
1715 /* - a dir with access error
1716 * - no error it's a file
1719 if (path_isadir(path))
1721 if (path->st_valid && path->st_errno)
1723 return AFPERR_BADTYPE ;
1726 /* ----------------------------- */
1727 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1732 u_int16_t vid, bitmap;
1738 memcpy( &vid, ibuf, sizeof( vid ));
1739 ibuf += sizeof( vid );
1741 if (NULL == ( vol = getvolbyvid( vid )) ) {
1742 return( AFPERR_PARAM );
1745 if (vol->v_flags & AFPVOL_RO)
1746 return AFPERR_VLOCK;
1748 memcpy( &did, ibuf, sizeof( did ));
1749 ibuf += sizeof( int );
1751 if (NULL == ( dir = dirlookup( vol, did )) ) {
1755 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1756 bitmap = ntohs( bitmap );
1757 ibuf += sizeof( bitmap );
1759 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1760 return get_afp_errno(AFPERR_NOOBJ);
1763 if ( *path->m_name != '\0' ) {
1764 rc = path_error(path, AFPERR_NOOBJ);
1765 /* maybe we are trying to set perms back */
1766 if (rc != AFPERR_ACCESS)
1771 * If ibuf is odd, make it even.
1773 if ((u_long)ibuf & 1 ) {
1777 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1778 setvoltime(obj, vol );
1784 * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
1786 * assume path == '\0' eg. it's a directory in canonical form
1788 int setdirparams(struct vol *vol, struct path *path, u_int16_t d_bitmap, char *buf )
1800 u_int16_t ashort, bshort, oshort;
1802 int change_mdate = 0;
1803 int change_parent_mdate = 0;
1805 u_int16_t bitmap = d_bitmap;
1806 u_char finder_buf[32];
1809 u_int16_t upriv_bit = 0;
1812 upath = path->u_name;
1814 while ( bitmap != 0 ) {
1815 while (( bitmap & 1 ) == 0 ) {
1823 memcpy( &ashort, buf, sizeof( ashort ));
1824 buf += sizeof( ashort );
1826 case DIRPBIT_CDATE :
1828 memcpy(&cdate, buf, sizeof(cdate));
1829 buf += sizeof( cdate );
1831 case DIRPBIT_MDATE :
1832 memcpy(&newdate, buf, sizeof(newdate));
1833 buf += sizeof( newdate );
1835 case DIRPBIT_BDATE :
1837 memcpy(&bdate, buf, sizeof(bdate));
1838 buf += sizeof( bdate );
1840 case DIRPBIT_FINFO :
1842 memcpy( finder_buf, buf, 32 );
1845 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1846 change_parent_mdate = 1;
1847 memcpy( &owner, buf, sizeof(owner));
1848 buf += sizeof( owner );
1851 change_parent_mdate = 1;
1852 memcpy( &group, buf, sizeof( group ));
1853 buf += sizeof( group );
1855 case DIRPBIT_ACCESS :
1857 change_parent_mdate = 1;
1858 ma.ma_user = *buf++;
1859 ma.ma_world = *buf++;
1860 ma.ma_group = *buf++;
1861 ma.ma_owner = *buf++;
1862 mpriv = mtoumode( &ma ) | vol->v_dperm;
1863 if (dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
1864 err = set_dir_errors(path, "setdirmode", errno);
1868 /* Ignore what the client thinks we should do to the
1869 ProDOS information block. Skip over the data and
1870 report nothing amiss. <shirsch@ibm.net> */
1871 case DIRPBIT_PDINFO :
1872 if (afp_version < 30) {
1876 err = AFPERR_BITMAP;
1880 case DIRPBIT_UNIXPR :
1881 if (vol_unix_priv(vol)) {
1882 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1883 buf += sizeof( owner );
1884 memcpy( &group, buf, sizeof( group ));
1885 buf += sizeof( group );
1888 change_parent_mdate = 1;
1889 memcpy( &upriv, buf, sizeof( upriv ));
1890 buf += sizeof( upriv );
1891 upriv = ntohl (upriv) | vol->v_dperm;
1892 if (dir_rx_set(upriv)) {
1893 /* maybe we are trying to set perms back */
1894 if ( setdirunixmode(vol, upath, upriv) < 0 ) {
1896 err = set_dir_errors(path, "setdirunixmode", errno);
1907 err = AFPERR_BITMAP;
1915 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1917 if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
1919 * Check to see what we're trying to set. If it's anything
1920 * but ACCESS, UID, or GID, give an error. If it's any of those
1921 * three, we don't need the ad to be open, so just continue.
1923 * note: we also don't need to worry about mdate. also, be quiet
1924 * if we're using the noadouble option.
1926 if (!vol_noadouble(vol) && (d_bitmap &
1927 ~((1<<DIRPBIT_ACCESS)|(1<<DIRPBIT_UNIXPR)|
1928 (1<<DIRPBIT_UID)|(1<<DIRPBIT_GID)|
1929 (1<<DIRPBIT_MDATE)|(1<<DIRPBIT_PDINFO)))) {
1930 return AFPERR_ACCESS;
1936 * Check to see if a create was necessary. If it was, we'll want
1937 * to set our name, etc.
1939 if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
1940 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1946 while ( bitmap != 0 ) {
1947 while (( bitmap & 1 ) == 0 ) {
1955 ad_getattr(&ad, &bshort);
1957 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1958 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1962 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1963 change_parent_mdate = 1;
1964 ad_setattr(&ad, bshort);
1967 case DIRPBIT_CDATE :
1969 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1972 case DIRPBIT_MDATE :
1974 case DIRPBIT_BDATE :
1976 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1979 case DIRPBIT_FINFO :
1981 /* Fixes #2802236 */
1982 u_int16_t *fflags = (u_int16_t *)(finder_buf + FINDERINFO_FRFLAGOFF);
1983 *fflags &= htons(~FINDERINFO_ISHARED);
1985 if ( dir->d_did == DIRDID_ROOT ) {
1987 * Alright, we admit it, this is *really* sick!
1988 * The 4 bytes that we don't copy, when we're dealing
1989 * with the root of a volume, are the directory's
1990 * location information. This eliminates that annoying
1991 * behavior one sees when mounting above another mount
1994 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1995 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1997 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
2001 case DIRPBIT_UID : /* What kind of loser mounts as root? */
2002 if ( (dir->d_did == DIRDID_ROOT) &&
2003 (setdeskowner( ntohl(owner), -1 ) < 0)) {
2004 err = set_dir_errors(path, "setdeskowner", errno);
2005 if (isad && err == AFPERR_PARAM) {
2006 err = AFP_OK; /* ???*/
2009 goto setdirparam_done;
2012 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
2013 err = set_dir_errors(path, "setdirowner", errno);
2014 goto setdirparam_done;
2018 if (dir->d_did == DIRDID_ROOT)
2019 setdeskowner( -1, ntohl(group) );
2020 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2021 err = set_dir_errors(path, "setdirowner", errno);
2022 goto setdirparam_done;
2025 case DIRPBIT_ACCESS :
2026 if (dir->d_did == DIRDID_ROOT) {
2028 if (!dir_rx_set(mpriv)) {
2029 /* we can't remove read and search for owner on volume root */
2030 err = AFPERR_ACCESS;
2031 goto setdirparam_done;
2035 if (!dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
2036 err = set_dir_errors(path, "setdirmode", errno);
2037 goto setdirparam_done;
2040 case DIRPBIT_PDINFO :
2041 if (afp_version >= 30) {
2042 err = AFPERR_BITMAP;
2043 goto setdirparam_done;
2046 case DIRPBIT_UNIXPR :
2047 if (vol_unix_priv(vol)) {
2048 if (dir->d_did == DIRDID_ROOT) {
2049 if (!dir_rx_set(upriv)) {
2050 /* we can't remove read and search for owner on volume root */
2051 err = AFPERR_ACCESS;
2052 goto setdirparam_done;
2054 setdeskowner( -1, ntohl(group) );
2055 setdeskmode( upriv );
2057 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2058 err = set_dir_errors(path, "setdirowner", errno);
2059 goto setdirparam_done;
2062 if ( upriv_bit && setdirunixmode(vol, upath, upriv) < 0 ) {
2063 err = set_dir_errors(path, "setdirunixmode", errno);
2064 goto setdirparam_done;
2068 err = AFPERR_BITMAP;
2069 goto setdirparam_done;
2073 err = AFPERR_BITMAP;
2074 goto setdirparam_done;
2083 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
2084 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2088 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
2089 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
2094 if (path->st_valid && !path->st_errno) {
2095 struct stat *st = &path->st;
2097 if (dir && dir->d_pdid) {
2098 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
2102 ad_close_metadata( &ad);
2105 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2106 && gettimeofday(&tv, NULL) == 0) {
2107 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2108 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2109 /* be careful with bitmap because now dir is null */
2110 bitmap = 1<<DIRPBIT_MDATE;
2111 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2112 /* should we reset curdir ?*/
2119 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2133 memcpy( &vid, ibuf, sizeof( vid ));
2134 ibuf += sizeof( vid );
2135 if (NULL == (vol = getvolbyvid( vid )) ) {
2136 return( AFPERR_PARAM );
2139 memcpy( &did, ibuf, sizeof( did ));
2140 ibuf += sizeof( did );
2144 * if it's CNID 2 our only choice to meet the specs is call sync.
2145 * For any other CNID just sync that dir. To my knowledge the
2146 * intended use of FPSyncDir is to sync the volume so all we're
2147 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2150 if ( ntohl(did) == 2 ) {
2153 if (NULL == ( dir = dirlookup( vol, did )) ) {
2154 return afp_errno; /* was AFPERR_NOOBJ */
2157 if (movecwd( vol, dir ) < 0 )
2158 return ( AFPERR_NOOBJ );
2161 * Assuming only OSens that have dirfd also may require fsyncing directories
2162 * in order to flush metadata e.g. Linux.
2166 if (NULL == ( dp = opendir( "." )) ) {
2169 return( AFPERR_NOOBJ );
2171 return( AFPERR_ACCESS );
2173 return( AFPERR_PARAM );
2177 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2180 if ( fsync ( dfd ) < 0 )
2181 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2182 dir->d_u_name, strerror(errno) );
2183 closedir(dp); /* closes dfd too */
2186 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2189 return( AFPERR_NOOBJ );
2191 return( AFPERR_ACCESS );
2193 return( AFPERR_PARAM );
2197 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2198 vol->ad_path(".", ADFLAGS_DIR) );
2200 if ( fsync(dfd) < 0 )
2201 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2202 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2209 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2215 struct path *s_path;
2223 memcpy( &vid, ibuf, sizeof( vid ));
2224 ibuf += sizeof( vid );
2225 if (NULL == ( vol = getvolbyvid( vid )) ) {
2226 return( AFPERR_PARAM );
2229 if (vol->v_flags & AFPVOL_RO)
2230 return AFPERR_VLOCK;
2232 memcpy( &did, ibuf, sizeof( did ));
2233 ibuf += sizeof( did );
2234 if (NULL == ( dir = dirlookup( vol, did )) ) {
2235 return afp_errno; /* was AFPERR_NOOBJ */
2237 /* for concurrent access we need to be sure we are not in the
2238 * folder we want to create...
2242 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2243 return get_afp_errno(AFPERR_PARAM);
2245 /* cname was able to move curdir to it! */
2246 if (*s_path->m_name == '\0')
2247 return AFPERR_EXIST;
2249 upath = s_path->u_name;
2251 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2255 if (of_stat(s_path) < 0) {
2261 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2265 if ( movecwd( vol, dir ) < 0 ) {
2266 return( AFPERR_PARAM );
2269 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2270 if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
2271 if (vol_noadouble(vol))
2272 goto createdir_done;
2273 return( AFPERR_ACCESS );
2275 ad_setname(&ad, s_path->m_name);
2276 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2279 ad_close_metadata( &ad);
2282 memcpy( rbuf, &dir->d_did, sizeof( u_int32_t ));
2283 *rbuflen = sizeof( u_int32_t );
2284 setvoltime(obj, vol );
2289 * dst new unix filename (not a pathname)
2290 * newname new mac name
2292 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2294 int renamedir(const struct vol *vol,
2299 struct dir *newparent,
2305 /* existence check moved to afp_moveandrename */
2306 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2309 return( AFPERR_NOOBJ );
2311 return( AFPERR_ACCESS );
2313 return AFPERR_VLOCK;
2315 /* tried to move directory into a subdirectory of itself */
2316 return AFPERR_CANTMOVE;
2318 /* this needs to copy and delete. bleah. that means we have
2319 * to deal with entire directory hierarchies. */
2320 if ((err = copydir(vol, dirfd, src, dst)) < 0) {
2324 if ((err = deletedir(dirfd, src)) < 0)
2328 return( AFPERR_PARAM );
2332 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2334 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2336 if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
2337 ad_setname(&ad, newname);
2339 ad_close_metadata( &ad);
2345 /* delete an empty directory */
2346 int deletecurdir(struct vol *vol)
2350 struct dir *fdir, *pdir;
2356 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2357 return( AFPERR_ACCESS );
2362 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2363 /* we never want to create a resource fork here, we are going to delete it */
2364 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2366 ad_getattr(&ad, &ashort);
2367 ad_close_metadata(&ad);
2368 if ((ashort & htons(ATTRBIT_NODELETE))) {
2369 return AFPERR_OLOCK;
2372 err = vol->vfs->vfs_deletecurdir(vol);
2374 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2375 curdir->d_fullpath);
2379 /* now get rid of dangling symlinks */
2380 if ((dp = opendir("."))) {
2381 while ((de = readdir(dp))) {
2382 /* skip this and previous directory */
2383 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2386 /* bail if it's not a symlink */
2387 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2388 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2389 curdir->d_fullpath);
2391 return AFPERR_DIRNEMPT;
2394 if ((err = netatalk_unlink(de->d_name))) {
2401 if (movecwd(vol, pdir) < 0) {
2406 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2407 cfrombstr(curdir->d_fullpath));
2409 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2410 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2411 cnid_delete(vol->v_cdb, fdir->d_did);
2412 dir_remove( vol, fdir );
2414 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2415 curdir->d_fullpath);
2420 /* inode is used as key for cnid.
2421 * Close the descriptor only after cnid_delete
2429 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2439 sfunc = (unsigned char) *ibuf++;
2442 if (sfunc >= 3 && sfunc <= 6) {
2443 if (afp_version < 30) {
2444 return( AFPERR_PARAM );
2451 case 3 :/* unicode */
2452 memcpy( &id, ibuf, sizeof( id ));
2455 if (( pw = getpwuid( id )) == NULL ) {
2456 return( AFPERR_NOITEM );
2458 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2459 pw->pw_name, -1, &name);
2466 case 4 : /* unicode */
2467 memcpy( &id, ibuf, sizeof( id ));
2470 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2471 return( AFPERR_NOITEM );
2473 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2474 gr->gr_name, -1, &name);
2481 case 5 : /* UUID -> username */
2482 case 6 : /* UUID -> groupname */
2483 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2484 return AFPERR_PARAM;
2485 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2487 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2488 if (len != 0) /* its a error code, not len */
2489 return AFPERR_NOITEM;
2492 if (( pw = getpwnam( name )) == NULL )
2493 return( AFPERR_NOITEM );
2494 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2495 id = htonl(UUID_USER);
2496 memcpy( rbuf, &id, sizeof( id ));
2497 id = htonl( pw->pw_uid);
2498 rbuf += sizeof( id );
2499 memcpy( rbuf, &id, sizeof( id ));
2500 rbuf += sizeof( id );
2501 *rbuflen = 2 * sizeof( id );
2504 if (( gr = getgrnam( name )) == NULL )
2505 return( AFPERR_NOITEM );
2506 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2507 id = htonl(UUID_GROUP);
2508 memcpy( rbuf, &id, sizeof( id ));
2509 rbuf += sizeof( id );
2510 id = htonl( gr->gr_gid);
2511 memcpy( rbuf, &id, sizeof( id ));
2512 rbuf += sizeof( id );
2513 *rbuflen = 2 * sizeof( id );
2521 return( AFPERR_PARAM );
2525 len = strlen( name );
2528 u_int16_t tp = htons(len);
2529 memcpy(rbuf, &tp, sizeof(tp));
2538 memcpy( rbuf, name, len );
2546 int afp_mapname(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2555 sfunc = (unsigned char) *ibuf++;
2557 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d, afp_version: %d", sfunc, afp_version);
2560 case 2 : /* unicode */
2561 if (afp_version < 30) {
2562 return( AFPERR_PARAM );
2564 memcpy(&ulen, ibuf, sizeof(ulen));
2567 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2571 len = (unsigned char) *ibuf++;
2573 case 5 : /* username -> UUID */
2574 case 6 : /* groupname -> UUID */
2575 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2576 return AFPERR_PARAM;
2577 memcpy(&ulen, ibuf, sizeof(ulen));
2582 return( AFPERR_PARAM );
2588 return AFPERR_PARAM;
2591 case 1 : /* unicode */
2593 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2594 return( AFPERR_NOITEM );
2598 memcpy( rbuf, &id, sizeof( id ));
2599 *rbuflen = sizeof( id );
2602 case 2 : /* unicode */
2604 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
2605 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2606 return( AFPERR_NOITEM );
2609 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
2611 memcpy( rbuf, &id, sizeof( id ));
2612 *rbuflen = sizeof( id );
2614 case 5 : /* username -> UUID */
2615 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2616 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2617 return AFPERR_NOITEM;
2618 *rbuflen = UUID_BINSIZE;
2620 case 6 : /* groupname -> UUID */
2621 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2622 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2623 return AFPERR_NOITEM;
2624 *rbuflen = UUID_BINSIZE;
2631 /* ------------------------------------
2632 variable DID support
2634 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2645 /* do nothing as dids are static for the life of the process. */
2649 memcpy(&vid, ibuf, sizeof( vid ));
2650 ibuf += sizeof( vid );
2651 if (( vol = getvolbyvid( vid )) == NULL ) {
2652 return( AFPERR_PARAM );
2655 memcpy( &did, ibuf, sizeof( did ));
2656 ibuf += sizeof( did );
2657 if (( dir = dirlookup( vol, did )) == NULL ) {
2658 return( AFPERR_PARAM );
2661 /* dir_remove -- deletedid */
2667 /* did creation gets done automatically
2668 * there's a pb again with case but move it to cname
2670 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2673 struct dir *parentdir;
2681 memcpy(&vid, ibuf, sizeof(vid));
2682 ibuf += sizeof( vid );
2684 if (NULL == ( vol = getvolbyvid( vid )) ) {
2685 return( AFPERR_PARAM );
2688 memcpy(&did, ibuf, sizeof(did));
2689 ibuf += sizeof(did);
2691 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2695 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2696 return get_afp_errno(AFPERR_PARAM);
2699 if ( *path->m_name != '\0' ) {
2700 return path_error(path, AFPERR_NOOBJ);
2703 if ( !path->st_valid && of_stat(path ) < 0 ) {
2704 return( AFPERR_NOOBJ );
2706 if ( path->st_errno ) {
2707 return( AFPERR_NOOBJ );
2710 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2711 *rbuflen = sizeof(curdir->d_did);