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>
33 #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)", 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) {lstat: %s}", ntohl(did), strerror(errno));
568 /* It's not there anymore, so remove it */
569 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {calling dir_remove()}", ntohl(did));
570 dir_remove(vol, ret);
571 afp_errno = AFPERR_NOOBJ;
586 utf8 = utf8_encoding();
587 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
589 /* Get it from the database */
591 if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
592 afp_errno = AFPERR_NOOBJ;
596 if ((upath = strdup(upath)) == NULL) { /* 3 */
597 afp_errno = AFPERR_NOOBJ;
604 * Recurse up the tree, terminates in dirlookup when either
605 * - DIRDID_ROOT is hit
606 * - a cached entry is found
608 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {recursion for did: %u}", ntohl(pdid));
609 if ((pdir = dirlookup(vol, pdid)) == NULL) {
614 /* build the fullpath */
615 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
616 || bconchar(fullpath, '/') != BSTR_OK
617 || bcatcstr(fullpath, upath) != BSTR_OK) {
622 /* stat it and check if it's a dir */
623 LOG(log_debug, logtype_afpd, "dirlookup: {stating %s}", cfrombstr(fullpath));
625 if (lstat(cfrombstr(fullpath), &st) != 0) { /* 5a */
628 afp_errno = AFPERR_NOOBJ;
632 afp_errno = AFPERR_ACCESS;
636 afp_errno = AFPERR_MISC;
641 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
642 afp_errno = AFPERR_BADTYPE;
648 /* Get macname from unix name */
649 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
650 afp_errno = AFPERR_NOOBJ;
655 /* Create struct dir */
656 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, &st)) == NULL) { /* 6 */
657 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
662 /* Add it to the cache only if it's a dir */
663 if (dircache_add(vol, ret) != 0) { /* 7 */
669 if (upath) free(upath);
671 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
672 ntohl(did), AfpErr2name(afp_errno));
681 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): pdid: %u, \"%s\"",
682 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
687 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
689 int caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
694 static u_int32_t did = 0;
695 static char cname[MAXPATHLEN];
696 static char lname[MAXPATHLEN];
697 ucs2_t u2_path[MAXPATHLEN];
698 ucs2_t u2_dename[MAXPATHLEN];
699 char *tmp, *savepath;
701 if (!(vol->v_flags & AFPVOL_CASEINSEN))
704 if (veto_file(ENUMVETO, path->u_name))
707 savepath = path->u_name;
709 /* very simple cache */
710 if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
711 path->u_name = cname;
713 if (of_stat( path ) == 0 ) {
716 /* something changed, we cannot stat ... */
720 if (NULL == ( dp = opendir( "." )) ) {
721 LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
726 /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
727 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, -1, u2_path, sizeof(u2_path)) )
728 LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
730 /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
732 for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
733 if (NULL == check_dirent(vol, de->d_name))
736 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, -1, u2_dename, sizeof(u2_dename)) )
739 if (strcasecmp_w( u2_path, u2_dename) == 0) {
741 strlcpy(cname, de->d_name, sizeof(cname));
742 path->u_name = cname;
744 if (of_stat( path ) == 0 ) {
745 LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
746 strlcpy(lname, tmp, sizeof(lname));
759 /* invalidate cache */
762 path->u_name = savepath;
764 /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
770 * @brief Construct struct dir
772 * Construct struct dir from parameters.
774 * @param m_name (r) directory name in UTF8-dec
775 * @param u_name (r) directory name in server side encoding
776 * @param vol (r) pointer to struct vol
777 * @param pdid (r) Parent CNID
778 * @param did (r) CNID
779 * @param path (r) Full unix path to object
780 * @param st (r) struct stat of object
782 * @returns pointer to new struct dir or NULL on error
784 * @note Most of the time mac name and unix name are the same.
786 struct dir *dir_new(const char *m_name,
788 const struct vol *vol,
796 dir = (struct dir *) calloc(1, sizeof( struct dir ));
800 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
805 if (convert_string_allocate( (utf8_encoding()) ? CH_UTF8_MAC : vol->v_maccharset,
808 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
809 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
810 dir->d_m_name_ucs2 = NULL;
813 if (m_name == u_name || !strcmp(m_name, u_name)) {
814 dir->d_u_name = dir->d_m_name;
816 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
817 bdestroy(dir->d_m_name);
824 dir->d_vid = vol->v_vid;
825 dir->d_fullpath = path;
826 dir->dcache_ctime = st->st_ctime;
827 dir->dcache_ino = st->st_ino;
828 if (!S_ISDIR(st->st_mode))
829 dir->d_flags = DIRF_ISFILE;
834 * @brief Free a struct dir and all its members
836 * @param (rw) pointer to struct dir
838 void dir_free(struct dir *dir)
840 if (dir->d_u_name != dir->d_m_name) {
841 bdestroy(dir->d_u_name);
843 if (dir->d_m_name_ucs2)
844 free(dir->d_m_name_ucs2);
845 bdestroy(dir->d_m_name);
846 bdestroy(dir->d_fullpath);
851 * @brief Create struct dir from struct path
853 * Create a new struct dir from struct path. Then add it to the cache.
855 * 1. Open adouble file, get CNID from it.
856 * 2. Search the database, hinting with the CNID from (1).
857 * 3. Build fullpath and create struct dir.
858 * 4. Add it to the cache.
860 * @param vol (r) pointer to struct vol, possibly modified in callee
861 * @param dir (r) pointer to parrent directory
862 * @param path (rw) pointer to struct path with valid path->u_name
863 * @param len (r) strlen of path->u_name
865 * @returns Pointer to new struct dir or NULL on error.
867 * @note Function also assigns path->m_name from path->u_name.
869 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
872 struct dir *cdir = NULL;
875 struct adouble *adp = NULL;
883 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
884 /* there's a stray entry in the dircache */
885 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
886 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
887 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
888 if (dir_remove(vol, cdir) != 0) {
890 AFP_PANIC("dir_add");
894 /* get_id needs adp for reading CNID from adouble file */
895 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
896 if ((ad_open_metadata(path->u_name, ADFLAGS_DIR, 0, &ad)) == 0) /* 1 */
900 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
906 ad_close_metadata(adp);
908 /* Get macname from unixname */
909 if (path->m_name == NULL) {
910 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
911 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
918 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
919 || (bconchar(fullpath, '/') != BSTR_OK)
920 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
921 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
926 /* Allocate and initialize struct dir */
927 if ((cdir = dir_new(path->m_name,
933 &path->st)) == NULL) { /* 3 */
938 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
939 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
945 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
946 cfrombstr(dir->d_u_name), path->u_name, err);
949 ad_close_metadata(adp);
950 if (!cdir && fullpath)
957 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
958 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
959 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
966 * Free the queue with invalid struct dirs
968 * This gets called at the end of every AFP func.
970 void dir_free_invalid_q(void)
973 while (dir = (struct dir *)dequeue(invalid_dircache_entries))
978 * @brief Remove a dir from a cache and queue it for freeing
980 * 1. Check if the dir is locked or has opened forks
981 * 2. Remove it from the cache
982 * 3. Queue it for removal
983 * 4. If it's a request to remove curdir, mark curdir as invalid
984 * 5. Mark it as invalid
986 * @param (r) pointer to struct vol
987 * @param (rw) pointer to struct dir
989 int dir_remove(const struct vol *vol, struct dir *dir)
994 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
997 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
998 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
1000 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
1001 enqueue(invalid_dircache_entries, dir); /* 3 */
1003 if (curdir == dir) /* 4 */
1006 dir->d_did = CNID_INVALID; /* 5 */
1013 * @brief Modify a struct dir, adjust cache
1015 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
1016 * If given new_uname == new_mname, new_uname will point to new_mname.
1018 * @param vol (r) pointer to struct vol
1019 * @param dir (rw) pointer to struct dir
1020 * @param pdid (r) new parent DID
1021 * @param did (r) new DID
1022 * @param new_mname (r) new mac-name
1023 * @param new_uname (r) new unix-name
1024 * @param pdir_fullpath (r) new fullpath of parent dir
1026 int dir_modify(const struct vol *vol,
1030 const char *new_mname,
1031 const char *new_uname,
1032 bstring pdir_fullpath)
1036 /* Remove it from the cache */
1037 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
1045 /* free uname if it's not the same as mname */
1046 if (dir->d_m_name != dir->d_u_name)
1047 bdestroy(dir->d_u_name);
1049 if (new_uname == NULL)
1050 new_uname = new_mname;
1052 /* assign new name */
1053 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
1054 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1058 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1059 dir->d_u_name = dir->d_m_name;
1061 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1062 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1068 if (pdir_fullpath) {
1069 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1071 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1073 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1077 if (dir->d_m_name_ucs2)
1078 free(dir->d_m_name_ucs2);
1079 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))
1080 dir->d_m_name_ucs2 = NULL;
1082 /* Re-add it to the cache */
1083 if ((dircache_add(vol, dir)) != 0) {
1085 AFP_PANIC("dir_modify");
1093 * @brief Resolve a catalog node name path
1095 * 1. Evaluate path type
1096 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1097 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1098 * is dir parent then. All this is done in path_from_dir().
1099 * 3. Parse next cnode name in path, cases:
1100 * 4. single "\0" -> do nothing
1101 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1102 * 6. cnode name -> copy it to path.m_name
1103 * 7. Get unix name from mac name
1104 * 8. Special handling of request with did 1
1105 * 9. stat the cnode name
1106 * 10. If it's not there, it's probably an afp_createfile|dir,
1107 * return with curdir = dir parent, struct path = dirname
1108 * 11. If it's there and it's a file, it must should be the last element of the requested
1109 * path. Return with curdir = cnode name parent dir, struct path = filename
1110 * 12. Treat symlinks like files, dont follow them
1111 * 13. If it's a dir:
1112 * 14. Search the dircache for it
1113 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1114 * 16. chdir into the dir and
1115 * 17. set m_name to the mac equivalent of "."
1118 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1120 static char path[ MAXPATHLEN + 1];
1121 static struct path ret;
1131 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1134 afp_errno = AFPERR_NOOBJ;
1135 memset(&ret, 0, sizeof(ret));
1137 switch (ret.m_type = *data) { /* 1 */
1140 len = (unsigned char) *data++;
1142 if (afp_version >= 30) {
1148 if (afp_version >= 30) {
1150 memcpy(&hint, data, sizeof(hint));
1152 data += sizeof(hint);
1154 memcpy(&len16, data, sizeof(len16));
1160 /* else it's an error */
1162 afp_errno = AFPERR_PARAM;
1165 *cpath += len + size;
1170 if (movecwd(vol, dir) < 0 ) {
1171 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1172 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1174 return path_from_dir(vol, dir, &ret);
1179 while (len) { /* 3 */
1180 if (*data == 0) { /* 4 or 5 */
1183 while (len > 0 && *data == 0) { /* 5 */
1184 /* chdir to parrent dir */
1185 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1187 if (movecwd( vol, dir ) < 0 ) {
1188 dir_remove(vol, dir);
1198 for ( p = path; *data != 0 && len > 0; len-- ) {
1200 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1201 afp_errno = AFPERR_PARAM;
1205 *p = 0; /* Terminate string */
1208 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1209 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1213 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1215 /* Prevent access to our special folders like .AppleDouble */
1216 if (check_name(vol, ret.u_name)) {
1217 /* the name is illegal */
1218 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1219 afp_errno = AFPERR_PARAM;
1223 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1225 * Special case: CNID 1
1226 * root parent (did 1) has one child: the volume. Requests for did=1 with
1227 * some <name> must check against the volume name.
1229 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1235 * CNID != 1, eg. most of the times we take this way.
1236 * Now check if current path-part is a file or dir:
1237 * o if it's dir we have to step into it
1238 * o if it's a file we expect it to be the last part of the requested path
1239 * and thus call continue which should terminate the while loop because
1242 if (of_stat(&ret) != 0) { /* 9 */
1244 * ret.u_name doesn't exist, might be afp_createfile|dir
1245 * that means it should have been the last part
1248 /* it wasn't the last part, so we have a bogus path request */
1249 afp_errno = AFPERR_NOOBJ;
1253 * this will terminate clean in while (1) because len == 0,
1254 * probably afp_createfile|dir
1256 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1257 cfrombstr(dir->d_fullpath), ret.u_name);
1261 switch (ret.st.st_mode & S_IFMT) {
1262 case S_IFREG: /* 11 */
1263 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1264 cfrombstr(dir->d_fullpath), ret.u_name);
1266 /* it wasn't the last part, so we have a bogus path request */
1267 afp_errno = AFPERR_PARAM;
1270 continue; /* continues while loop */
1271 case S_IFLNK: /* 12 */
1272 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1273 cfrombstr(dir->d_fullpath), ret.u_name);
1275 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1276 cfrombstr(dir->d_fullpath), ret.u_name);
1277 afp_errno = AFPERR_PARAM;
1280 continue; /* continues while loop */
1281 case S_IFDIR: /* 13 */
1284 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1285 afp_errno = AFPERR_NODIR;
1289 /* Search the cache */
1290 int unamelen = strlen(ret.u_name);
1291 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
1293 /* Not in cache, create one */
1294 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1295 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1296 ntohl(dir->d_did), ret.u_name, getcwdpath());
1300 } /* if/else cnid==1 */
1302 /* Now chdir to the evaluated dir */
1303 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1304 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1305 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1307 return path_from_dir(vol, cdir, &ret);
1312 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1315 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1316 afp_errno = AFPERR_DID1;
1320 if (ret.m_name[0] == 0) {
1321 /* Last part was a dir */
1322 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1326 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1327 cfrombstr(dir->d_fullpath),
1328 cfrombstr(curdir->d_fullpath),
1335 * @brief chdir() to dir
1337 * @param vol (r) pointer to struct vol
1338 * @param dir (r) pointer to struct dir
1340 * @returns 0 on success, -1 on error with afp_errno set appropiately
1342 int movecwd(const struct vol *vol, struct dir *dir)
1349 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1350 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1352 if (dir->d_did == DIRDID_ROOT_PARENT) {
1353 curdir = &rootParent;
1357 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1358 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1360 if ((ret = lchdir(cfrombstr(dir->d_fullpath))) != 0 ) {
1361 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): ret: %u, %s",
1362 cfrombstr(dir->d_fullpath), ret, strerror(errno));
1364 /* p is a symlink or getcwd failed */
1365 afp_errno = AFPERR_BADTYPE;
1367 if (chdir(vol->v_path ) < 0) {
1368 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1369 /* XXX what do we do here? */
1371 curdir = vol->v_root;
1378 afp_errno = AFPERR_ACCESS;
1381 afp_errno = AFPERR_NOOBJ;
1391 * We can't use unix file's perm to support Apple's inherited protection modes.
1392 * If we aren't the file's owner we can't change its perms when moving it and smb
1393 * nfs,... don't even try.
1395 #define AFP_CHECK_ACCESS
1397 int check_access(char *path, int mode)
1399 #ifdef AFP_CHECK_ACCESS
1407 accessmode(p, &ma, curdir, NULL);
1408 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1410 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1416 /* --------------------- */
1417 int file_access(struct path *path, int mode)
1421 accessmode(path->u_name, &ma, curdir, &path->st);
1423 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1424 path->u_name, ma.ma_user);
1426 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1427 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1430 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1431 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1438 /* --------------------- */
1439 void setdiroffcnt(struct dir *dir, struct stat *st, u_int32_t count)
1441 dir->d_offcnt = count;
1442 dir->d_ctime = st->st_ctime;
1443 dir->d_flags &= ~DIRF_CNID;
1447 /* ---------------------
1448 * is our cached also for reenumerate id?
1450 int dirreenumerate(struct dir *dir, struct stat *st)
1452 return st->st_ctime == dir->d_ctime && (dir->d_flags & DIRF_CNID);
1455 /* ------------------------------
1457 (name, dir) with curdir:name == dir, from afp_enumerate
1460 int getdirparams(const struct vol *vol,
1461 u_int16_t bitmap, struct path *s_path,
1463 char *buf, size_t *buflen )
1467 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1468 int bit = 0, isad = 0;
1474 struct stat *st = &s_path->st;
1475 char *upath = s_path->u_name;
1477 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1478 (1 << DIRPBIT_CDATE) |
1479 (1 << DIRPBIT_MDATE) |
1480 (1 << DIRPBIT_BDATE) |
1481 (1 << DIRPBIT_FINFO)))) {
1483 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1484 if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
1486 if (ad.ad_md->adf_flags & O_CREAT) {
1487 /* We just created it */
1488 ad_setname(&ad, s_path->m_name);
1503 while ( bitmap != 0 ) {
1504 while (( bitmap & 1 ) == 0 ) {
1512 ad_getattr(&ad, &ashort);
1513 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1514 ashort = htons(ATTRBIT_INVISIBLE);
1517 ashort |= htons(ATTRBIT_SHARED);
1518 memcpy( data, &ashort, sizeof( ashort ));
1519 data += sizeof( ashort );
1523 memcpy( data, &pdid, sizeof( pdid ));
1524 data += sizeof( pdid );
1525 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1526 s_path->u_name, ntohl(pdid));
1529 case DIRPBIT_CDATE :
1530 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1531 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1532 memcpy( data, &aint, sizeof( aint ));
1533 data += sizeof( aint );
1536 case DIRPBIT_MDATE :
1537 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1538 memcpy( data, &aint, sizeof( aint ));
1539 data += sizeof( aint );
1542 case DIRPBIT_BDATE :
1543 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1544 aint = AD_DATE_START;
1545 memcpy( data, &aint, sizeof( aint ));
1546 data += sizeof( aint );
1549 case DIRPBIT_FINFO :
1551 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1552 } else { /* no appledouble */
1553 memset( data, 0, 32 );
1554 /* set default view -- this also gets done in ad_open() */
1555 ashort = htons(FINDERINFO_CLOSEDVIEW);
1556 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1558 /* dot files are by default visible */
1559 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1560 ashort = htons(FINDERINFO_INVISIBLE);
1561 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1567 case DIRPBIT_LNAME :
1568 if (dir->d_m_name) /* root of parent can have a null name */
1571 memset(data, 0, sizeof(u_int16_t));
1572 data += sizeof( u_int16_t );
1575 case DIRPBIT_SNAME :
1576 memset(data, 0, sizeof(u_int16_t));
1577 data += sizeof( u_int16_t );
1581 memcpy( data, &dir->d_did, sizeof( aint ));
1582 data += sizeof( aint );
1583 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1584 s_path->u_name, ntohl(dir->d_did));
1587 case DIRPBIT_OFFCNT :
1589 /* this needs to handle current directory access rights */
1590 if (diroffcnt(dir, st)) {
1591 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1593 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1594 setdiroffcnt(dir, st, ret);
1595 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1597 ashort = htons( ashort );
1598 memcpy( data, &ashort, sizeof( ashort ));
1599 data += sizeof( ashort );
1603 aint = htonl(st->st_uid);
1604 memcpy( data, &aint, sizeof( aint ));
1605 data += sizeof( aint );
1609 aint = htonl(st->st_gid);
1610 memcpy( data, &aint, sizeof( aint ));
1611 data += sizeof( aint );
1614 case DIRPBIT_ACCESS :
1615 accessmode( upath, &ma, dir , st);
1617 *data++ = ma.ma_user;
1618 *data++ = ma.ma_world;
1619 *data++ = ma.ma_group;
1620 *data++ = ma.ma_owner;
1623 /* Client has requested the ProDOS information block.
1624 Just pass back the same basic block for all
1625 directories. <shirsch@ibm.net> */
1626 case DIRPBIT_PDINFO :
1627 if (afp_version >= 30) { /* UTF8 name */
1628 utf8 = kTextEncodingUTF8;
1629 if (dir->d_m_name) /* root of parent can have a null name */
1632 memset(data, 0, sizeof(u_int16_t));
1633 data += sizeof( u_int16_t );
1635 memcpy(data, &aint, sizeof( aint ));
1636 data += sizeof( aint );
1638 else { /* ProDOS Info Block */
1641 ashort = htons( 0x0200 );
1642 memcpy( data, &ashort, sizeof( ashort ));
1643 data += sizeof( ashort );
1644 memset( data, 0, sizeof( ashort ));
1645 data += sizeof( ashort );
1649 case DIRPBIT_UNIXPR :
1650 aint = htonl(st->st_uid);
1651 memcpy( data, &aint, sizeof( aint ));
1652 data += sizeof( aint );
1653 aint = htonl(st->st_gid);
1654 memcpy( data, &aint, sizeof( aint ));
1655 data += sizeof( aint );
1658 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1659 memcpy( data, &aint, sizeof( aint ));
1660 data += sizeof( aint );
1662 accessmode( upath, &ma, dir , st);
1664 *data++ = ma.ma_user;
1665 *data++ = ma.ma_world;
1666 *data++ = ma.ma_group;
1667 *data++ = ma.ma_owner;
1672 ad_close_metadata( &ad );
1674 return( AFPERR_BITMAP );
1680 ashort = htons( data - buf );
1681 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1682 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1684 if ( utf_nameoff ) {
1685 ashort = htons( data - buf );
1686 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1687 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1690 ad_close_metadata( &ad );
1692 *buflen = data - buf;
1696 /* ----------------------------- */
1697 int path_error(struct path *path, int error)
1699 /* - a dir with access error
1700 * - no error it's a file
1703 if (path_isadir(path))
1705 if (path->st_valid && path->st_errno)
1707 return AFPERR_BADTYPE ;
1710 /* ----------------------------- */
1711 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1716 u_int16_t vid, bitmap;
1722 memcpy( &vid, ibuf, sizeof( vid ));
1723 ibuf += sizeof( vid );
1725 if (NULL == ( vol = getvolbyvid( vid )) ) {
1726 return( AFPERR_PARAM );
1729 if (vol->v_flags & AFPVOL_RO)
1730 return AFPERR_VLOCK;
1732 memcpy( &did, ibuf, sizeof( did ));
1733 ibuf += sizeof( int );
1735 if (NULL == ( dir = dirlookup( vol, did )) ) {
1739 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1740 bitmap = ntohs( bitmap );
1741 ibuf += sizeof( bitmap );
1743 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1744 return get_afp_errno(AFPERR_NOOBJ);
1747 if ( *path->m_name != '\0' ) {
1748 rc = path_error(path, AFPERR_NOOBJ);
1749 /* maybe we are trying to set perms back */
1750 if (rc != AFPERR_ACCESS)
1755 * If ibuf is odd, make it even.
1757 if ((u_long)ibuf & 1 ) {
1761 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1762 setvoltime(obj, vol );
1768 * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
1770 * assume path == '\0' eg. it's a directory in canonical form
1772 int setdirparams(struct vol *vol, struct path *path, u_int16_t d_bitmap, char *buf )
1784 u_int16_t ashort, bshort, oshort;
1786 int change_mdate = 0;
1787 int change_parent_mdate = 0;
1789 u_int16_t bitmap = d_bitmap;
1790 u_char finder_buf[32];
1793 u_int16_t upriv_bit = 0;
1796 upath = path->u_name;
1798 while ( bitmap != 0 ) {
1799 while (( bitmap & 1 ) == 0 ) {
1807 memcpy( &ashort, buf, sizeof( ashort ));
1808 buf += sizeof( ashort );
1810 case DIRPBIT_CDATE :
1812 memcpy(&cdate, buf, sizeof(cdate));
1813 buf += sizeof( cdate );
1815 case DIRPBIT_MDATE :
1816 memcpy(&newdate, buf, sizeof(newdate));
1817 buf += sizeof( newdate );
1819 case DIRPBIT_BDATE :
1821 memcpy(&bdate, buf, sizeof(bdate));
1822 buf += sizeof( bdate );
1824 case DIRPBIT_FINFO :
1826 memcpy( finder_buf, buf, 32 );
1829 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1830 change_parent_mdate = 1;
1831 memcpy( &owner, buf, sizeof(owner));
1832 buf += sizeof( owner );
1835 change_parent_mdate = 1;
1836 memcpy( &group, buf, sizeof( group ));
1837 buf += sizeof( group );
1839 case DIRPBIT_ACCESS :
1841 change_parent_mdate = 1;
1842 ma.ma_user = *buf++;
1843 ma.ma_world = *buf++;
1844 ma.ma_group = *buf++;
1845 ma.ma_owner = *buf++;
1846 mpriv = mtoumode( &ma ) | vol->v_dperm;
1847 if (dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
1848 err = set_dir_errors(path, "setdirmode", errno);
1852 /* Ignore what the client thinks we should do to the
1853 ProDOS information block. Skip over the data and
1854 report nothing amiss. <shirsch@ibm.net> */
1855 case DIRPBIT_PDINFO :
1856 if (afp_version < 30) {
1860 err = AFPERR_BITMAP;
1864 case DIRPBIT_UNIXPR :
1865 if (vol_unix_priv(vol)) {
1866 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1867 buf += sizeof( owner );
1868 memcpy( &group, buf, sizeof( group ));
1869 buf += sizeof( group );
1872 change_parent_mdate = 1;
1873 memcpy( &upriv, buf, sizeof( upriv ));
1874 buf += sizeof( upriv );
1875 upriv = ntohl (upriv) | vol->v_dperm;
1876 if (dir_rx_set(upriv)) {
1877 /* maybe we are trying to set perms back */
1878 if ( setdirunixmode(vol, upath, upriv) < 0 ) {
1880 err = set_dir_errors(path, "setdirunixmode", errno);
1891 err = AFPERR_BITMAP;
1899 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1901 if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
1903 * Check to see what we're trying to set. If it's anything
1904 * but ACCESS, UID, or GID, give an error. If it's any of those
1905 * three, we don't need the ad to be open, so just continue.
1907 * note: we also don't need to worry about mdate. also, be quiet
1908 * if we're using the noadouble option.
1910 if (!vol_noadouble(vol) && (d_bitmap &
1911 ~((1<<DIRPBIT_ACCESS)|(1<<DIRPBIT_UNIXPR)|
1912 (1<<DIRPBIT_UID)|(1<<DIRPBIT_GID)|
1913 (1<<DIRPBIT_MDATE)|(1<<DIRPBIT_PDINFO)))) {
1914 return AFPERR_ACCESS;
1920 * Check to see if a create was necessary. If it was, we'll want
1921 * to set our name, etc.
1923 if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
1924 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1930 while ( bitmap != 0 ) {
1931 while (( bitmap & 1 ) == 0 ) {
1939 ad_getattr(&ad, &bshort);
1941 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1942 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1946 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1947 change_parent_mdate = 1;
1948 ad_setattr(&ad, bshort);
1951 case DIRPBIT_CDATE :
1953 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1956 case DIRPBIT_MDATE :
1958 case DIRPBIT_BDATE :
1960 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1963 case DIRPBIT_FINFO :
1965 /* Fixes #2802236 */
1966 u_int16_t *fflags = (u_int16_t *)(finder_buf + FINDERINFO_FRFLAGOFF);
1967 *fflags &= htons(~FINDERINFO_ISHARED);
1969 if ( dir->d_did == DIRDID_ROOT ) {
1971 * Alright, we admit it, this is *really* sick!
1972 * The 4 bytes that we don't copy, when we're dealing
1973 * with the root of a volume, are the directory's
1974 * location information. This eliminates that annoying
1975 * behavior one sees when mounting above another mount
1978 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1979 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1981 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
1985 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1986 if ( (dir->d_did == DIRDID_ROOT) &&
1987 (setdeskowner( ntohl(owner), -1 ) < 0)) {
1988 err = set_dir_errors(path, "setdeskowner", errno);
1989 if (isad && err == AFPERR_PARAM) {
1990 err = AFP_OK; /* ???*/
1993 goto setdirparam_done;
1996 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
1997 err = set_dir_errors(path, "setdirowner", errno);
1998 goto setdirparam_done;
2002 if (dir->d_did == DIRDID_ROOT)
2003 setdeskowner( -1, ntohl(group) );
2004 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2005 err = set_dir_errors(path, "setdirowner", errno);
2006 goto setdirparam_done;
2009 case DIRPBIT_ACCESS :
2010 if (dir->d_did == DIRDID_ROOT) {
2012 if (!dir_rx_set(mpriv)) {
2013 /* we can't remove read and search for owner on volume root */
2014 err = AFPERR_ACCESS;
2015 goto setdirparam_done;
2019 if (!dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
2020 err = set_dir_errors(path, "setdirmode", errno);
2021 goto setdirparam_done;
2024 case DIRPBIT_PDINFO :
2025 if (afp_version >= 30) {
2026 err = AFPERR_BITMAP;
2027 goto setdirparam_done;
2030 case DIRPBIT_UNIXPR :
2031 if (vol_unix_priv(vol)) {
2032 if (dir->d_did == DIRDID_ROOT) {
2033 if (!dir_rx_set(upriv)) {
2034 /* we can't remove read and search for owner on volume root */
2035 err = AFPERR_ACCESS;
2036 goto setdirparam_done;
2038 setdeskowner( -1, ntohl(group) );
2039 setdeskmode( upriv );
2041 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2042 err = set_dir_errors(path, "setdirowner", errno);
2043 goto setdirparam_done;
2046 if ( upriv_bit && setdirunixmode(vol, upath, upriv) < 0 ) {
2047 err = set_dir_errors(path, "setdirunixmode", errno);
2048 goto setdirparam_done;
2052 err = AFPERR_BITMAP;
2053 goto setdirparam_done;
2057 err = AFPERR_BITMAP;
2058 goto setdirparam_done;
2067 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
2068 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2072 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
2073 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
2078 if (path->st_valid && !path->st_errno) {
2079 struct stat *st = &path->st;
2081 if (dir && dir->d_pdid) {
2082 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
2086 ad_close_metadata( &ad);
2089 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2090 && gettimeofday(&tv, NULL) == 0) {
2091 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2092 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2093 /* be careful with bitmap because now dir is null */
2094 bitmap = 1<<DIRPBIT_MDATE;
2095 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2096 /* should we reset curdir ?*/
2103 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2117 memcpy( &vid, ibuf, sizeof( vid ));
2118 ibuf += sizeof( vid );
2119 if (NULL == (vol = getvolbyvid( vid )) ) {
2120 return( AFPERR_PARAM );
2123 memcpy( &did, ibuf, sizeof( did ));
2124 ibuf += sizeof( did );
2128 * if it's CNID 2 our only choice to meet the specs is call sync.
2129 * For any other CNID just sync that dir. To my knowledge the
2130 * intended use of FPSyncDir is to sync the volume so all we're
2131 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2134 if ( ntohl(did) == 2 ) {
2137 if (NULL == ( dir = dirlookup( vol, did )) ) {
2138 return afp_errno; /* was AFPERR_NOOBJ */
2141 if (movecwd( vol, dir ) < 0 )
2142 return ( AFPERR_NOOBJ );
2145 * Assuming only OSens that have dirfd also may require fsyncing directories
2146 * in order to flush metadata e.g. Linux.
2150 if (NULL == ( dp = opendir( "." )) ) {
2153 return( AFPERR_NOOBJ );
2155 return( AFPERR_ACCESS );
2157 return( AFPERR_PARAM );
2161 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2164 if ( fsync ( dfd ) < 0 )
2165 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2166 dir->d_u_name, strerror(errno) );
2167 closedir(dp); /* closes dfd too */
2170 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2173 return( AFPERR_NOOBJ );
2175 return( AFPERR_ACCESS );
2177 return( AFPERR_PARAM );
2181 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2182 vol->ad_path(".", ADFLAGS_DIR) );
2184 if ( fsync(dfd) < 0 )
2185 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2186 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2193 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2199 struct path *s_path;
2207 memcpy( &vid, ibuf, sizeof( vid ));
2208 ibuf += sizeof( vid );
2209 if (NULL == ( vol = getvolbyvid( vid )) ) {
2210 return( AFPERR_PARAM );
2213 if (vol->v_flags & AFPVOL_RO)
2214 return AFPERR_VLOCK;
2216 memcpy( &did, ibuf, sizeof( did ));
2217 ibuf += sizeof( did );
2218 if (NULL == ( dir = dirlookup( vol, did )) ) {
2219 return afp_errno; /* was AFPERR_NOOBJ */
2221 /* for concurrent access we need to be sure we are not in the
2222 * folder we want to create...
2226 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2227 return get_afp_errno(AFPERR_PARAM);
2229 /* cname was able to move curdir to it! */
2230 if (*s_path->m_name == '\0')
2231 return AFPERR_EXIST;
2233 upath = s_path->u_name;
2235 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2239 if (of_stat(s_path) < 0) {
2245 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2249 if ( movecwd( vol, dir ) < 0 ) {
2250 return( AFPERR_PARAM );
2253 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2254 if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
2255 if (vol_noadouble(vol))
2256 goto createdir_done;
2257 return( AFPERR_ACCESS );
2259 ad_setname(&ad, s_path->m_name);
2260 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2263 ad_close_metadata( &ad);
2266 memcpy( rbuf, &dir->d_did, sizeof( u_int32_t ));
2267 *rbuflen = sizeof( u_int32_t );
2268 setvoltime(obj, vol );
2273 * dst new unix filename (not a pathname)
2274 * newname new mac name
2276 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2278 int renamedir(const struct vol *vol,
2283 struct dir *newparent,
2289 /* existence check moved to afp_moveandrename */
2290 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2293 return( AFPERR_NOOBJ );
2295 return( AFPERR_ACCESS );
2297 return AFPERR_VLOCK;
2299 /* tried to move directory into a subdirectory of itself */
2300 return AFPERR_CANTMOVE;
2302 /* this needs to copy and delete. bleah. that means we have
2303 * to deal with entire directory hierarchies. */
2304 if ((err = copydir(vol, dirfd, src, dst)) < 0) {
2308 if ((err = deletedir(dirfd, src)) < 0)
2312 return( AFPERR_PARAM );
2316 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2318 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2320 if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
2321 ad_setname(&ad, newname);
2323 ad_close_metadata( &ad);
2329 /* delete an empty directory */
2330 int deletecurdir(struct vol *vol)
2334 struct dir *fdir, *pdir;
2340 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2341 return( AFPERR_ACCESS );
2346 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2347 /* we never want to create a resource fork here, we are going to delete it */
2348 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2350 ad_getattr(&ad, &ashort);
2351 ad_close_metadata(&ad);
2352 if ((ashort & htons(ATTRBIT_NODELETE))) {
2353 return AFPERR_OLOCK;
2356 err = vol->vfs->vfs_deletecurdir(vol);
2358 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2359 curdir->d_fullpath);
2363 /* now get rid of dangling symlinks */
2364 if ((dp = opendir("."))) {
2365 while ((de = readdir(dp))) {
2366 /* skip this and previous directory */
2367 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2370 /* bail if it's not a symlink */
2371 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2372 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2373 curdir->d_fullpath);
2375 return AFPERR_DIRNEMPT;
2378 if ((err = netatalk_unlink(de->d_name))) {
2385 if (movecwd(vol, pdir) < 0) {
2390 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2391 cfrombstr(curdir->d_fullpath));
2393 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2394 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2395 cnid_delete(vol->v_cdb, fdir->d_did);
2396 dir_remove( vol, fdir );
2398 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2399 curdir->d_fullpath);
2404 /* inode is used as key for cnid.
2405 * Close the descriptor only after cnid_delete
2413 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2423 sfunc = (unsigned char) *ibuf++;
2426 if (sfunc >= 3 && sfunc <= 6) {
2427 if (afp_version < 30) {
2428 return( AFPERR_PARAM );
2435 case 3 :/* unicode */
2436 memcpy( &id, ibuf, sizeof( id ));
2439 if (( pw = getpwuid( id )) == NULL ) {
2440 return( AFPERR_NOITEM );
2442 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2443 pw->pw_name, -1, &name);
2450 case 4 : /* unicode */
2451 memcpy( &id, ibuf, sizeof( id ));
2454 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2455 return( AFPERR_NOITEM );
2457 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2458 gr->gr_name, -1, &name);
2465 case 5 : /* UUID -> username */
2466 case 6 : /* UUID -> groupname */
2467 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2468 return AFPERR_PARAM;
2469 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2471 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2472 if (len != 0) /* its a error code, not len */
2473 return AFPERR_NOITEM;
2476 if (( pw = getpwnam( name )) == NULL )
2477 return( AFPERR_NOITEM );
2478 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2479 id = htonl(UUID_USER);
2480 memcpy( rbuf, &id, sizeof( id ));
2481 id = htonl( pw->pw_uid);
2482 rbuf += sizeof( id );
2483 memcpy( rbuf, &id, sizeof( id ));
2484 rbuf += sizeof( id );
2485 *rbuflen = 2 * sizeof( id );
2488 if (( gr = getgrnam( name )) == NULL )
2489 return( AFPERR_NOITEM );
2490 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2491 id = htonl(UUID_GROUP);
2492 memcpy( rbuf, &id, sizeof( id ));
2493 rbuf += sizeof( id );
2494 id = htonl( gr->gr_gid);
2495 memcpy( rbuf, &id, sizeof( id ));
2496 rbuf += sizeof( id );
2497 *rbuflen = 2 * sizeof( id );
2501 return (AFPERR_NOITEM);
2508 return( AFPERR_PARAM );
2512 len = strlen( name );
2515 u_int16_t tp = htons(len);
2516 memcpy(rbuf, &tp, sizeof(tp));
2525 memcpy( rbuf, name, len );
2533 int afp_mapname(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2542 sfunc = (unsigned char) *ibuf++;
2544 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d, afp_version: %d", sfunc, afp_version);
2547 case 2 : /* unicode */
2548 if (afp_version < 30) {
2549 return( AFPERR_PARAM );
2551 memcpy(&ulen, ibuf, sizeof(ulen));
2554 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2558 len = (unsigned char) *ibuf++;
2560 case 5 : /* username -> UUID */
2561 case 6 : /* groupname -> UUID */
2562 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2563 return AFPERR_PARAM;
2564 memcpy(&ulen, ibuf, sizeof(ulen));
2569 return( AFPERR_PARAM );
2575 return AFPERR_PARAM;
2578 case 1 : /* unicode */
2580 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2581 return( AFPERR_NOITEM );
2585 memcpy( rbuf, &id, sizeof( id ));
2586 *rbuflen = sizeof( id );
2589 case 2 : /* unicode */
2591 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
2592 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2593 return( AFPERR_NOITEM );
2596 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
2598 memcpy( rbuf, &id, sizeof( id ));
2599 *rbuflen = sizeof( id );
2601 case 5 : /* username -> UUID */
2602 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2603 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2604 return AFPERR_NOITEM;
2605 *rbuflen = UUID_BINSIZE;
2607 case 6 : /* groupname -> UUID */
2608 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2609 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2610 return AFPERR_NOITEM;
2611 *rbuflen = UUID_BINSIZE;
2618 /* ------------------------------------
2619 variable DID support
2621 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2632 /* do nothing as dids are static for the life of the process. */
2636 memcpy(&vid, ibuf, sizeof( vid ));
2637 ibuf += sizeof( vid );
2638 if (( vol = getvolbyvid( vid )) == NULL ) {
2639 return( AFPERR_PARAM );
2642 memcpy( &did, ibuf, sizeof( did ));
2643 ibuf += sizeof( did );
2644 if (( dir = dirlookup( vol, did )) == NULL ) {
2645 return( AFPERR_PARAM );
2648 /* dir_remove -- deletedid */
2654 /* did creation gets done automatically
2655 * there's a pb again with case but move it to cname
2657 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2660 struct dir *parentdir;
2668 memcpy(&vid, ibuf, sizeof(vid));
2669 ibuf += sizeof( vid );
2671 if (NULL == ( vol = getvolbyvid( vid )) ) {
2672 return( AFPERR_PARAM );
2675 memcpy(&did, ibuf, sizeof(did));
2676 ibuf += sizeof(did);
2678 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2682 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2683 return get_afp_errno(AFPERR_PARAM);
2686 if ( *path->m_name != '\0' ) {
2687 return path_error(path, AFPERR_NOOBJ);
2690 if ( !path->st_valid && of_stat(path ) < 0 ) {
2691 return( AFPERR_NOOBJ );
2693 if ( path->st_errno ) {
2694 return( AFPERR_NOOBJ );
2697 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2698 *rbuflen = sizeof(curdir->d_did);