2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
16 #include <sys/param.h>
22 #include <atalk/adouble.h>
23 #include <atalk/vfs.h>
24 #include <atalk/afp.h>
25 #include <atalk/util.h>
26 #include <atalk/cnid.h>
27 #include <atalk/logger.h>
28 #include <atalk/uuid.h>
29 #include <atalk/unix.h>
30 #include <atalk/bstrlib.h>
31 #include <atalk/bstradd.h>
32 #include <atalk/errchk.h>
33 #include <atalk/globals.h>
34 #include <atalk/fce_api.h>
35 #include <atalk/netatalk_conf.h>
37 #include "directory.h"
49 * FIXMEs, loose ends after the dircache rewrite:
50 * o merge dircache_search_by_name and dir_add ??
51 * o case-insensitivity is gone from cname
55 /*******************************************************************************************
57 ******************************************************************************************/
60 /* As long as directory.c hasn't got its own init call, this get initialized in dircache_init */
61 struct dir rootParent = {
62 NULL, NULL, NULL, NULL, /* path, d_m_name, d_u_name, d_m_name_ucs2 */
63 NULL, 0, 0, /* qidx_node, ctime, d_flags */
64 0, 0, 0, 0 /* pdid, did, offcnt, d_vid */
66 struct dir *curdir = &rootParent;
67 struct path Cur_Path = {
72 NULL,/* struct dir * */
73 0, /* stat is not set */
79 * dir_remove queues struct dirs to be freed here. We can't just delete them immeidately
80 * eg in dircache_search_by_id, because a caller somewhere up the stack might be
83 * - we mark it as invalid by setting d_did to CNID_INVALID (ie 0)
84 * - queue it in "invalid_dircache_entries" queue
85 * - which is finally freed at the end of every AFP func in afp_dsi.c.
87 q_t *invalid_dircache_entries;
90 /*******************************************************************************************
92 ******************************************************************************************/
95 /* -------------------------
96 appledouble mkdir afp error code.
98 static int netatalk_mkdir(const struct vol *vol, const char *name)
103 if (vol->v_flags & AFPVOL_UNIX_PRIV) {
104 if (lstat(".", &st) < 0)
106 int mode = (DIRBITS & (~S_ISGID & st.st_mode)) | (0777 & ~vol->v_umask);
107 LOG(log_maxdebug, logtype_afpd, "netatalk_mkdir(\"%s\") {parent mode: %04o, vol umask: %04o}",
108 name, st.st_mode, vol->v_umask);
110 ret = mkdir(name, mode);
112 ret = ad_mkdir(name, DIRBITS | 0777);
118 return( AFPERR_NOOBJ );
120 return( AFPERR_VLOCK );
123 return( AFPERR_ACCESS );
125 return( AFPERR_EXIST );
128 return( AFPERR_DFULL );
130 return( AFPERR_PARAM );
136 /* ------------------- */
137 static int deletedir(const struct vol *vol, int dirfd, char *dir)
139 char path[MAXPATHLEN + 1];
147 if ((len = strlen(dir)) +2 > sizeof(path))
151 if ((dp = opendirat(dirfd, dir)) == NULL)
157 remain = sizeof(path) -len -1;
158 while ((de = readdir(dp)) && err == AFP_OK) {
159 /* skip this and previous directory */
160 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
163 if (strlen(de->d_name) > remain) {
167 strcpy(path + len, de->d_name);
168 if (ostatat(dirfd, path, &st, vol_syml_opt(vol))) {
171 if (S_ISDIR(st.st_mode)) {
172 err = deletedir(vol, dirfd, path);
174 err = netatalk_unlinkat(dirfd, path);
179 /* okay. the directory is empty. delete it. note: we already got rid
182 err = netatalk_rmdir(dirfd, dir);
187 /* do a recursive copy. */
188 static int copydir(struct vol *vol, struct dir *ddir, int dirfd, char *src, char *dst)
190 char spath[MAXPATHLEN + 1], dpath[MAXPATHLEN + 1];
199 /* doesn't exist or the path is too long. */
200 if (((slen = strlen(src)) > sizeof(spath) - 2) ||
201 ((dlen = strlen(dst)) > sizeof(dpath) - 2) ||
202 ((dp = opendirat(dirfd, src)) == NULL))
205 /* try to create the destination directory */
206 if (AFP_OK != (err = netatalk_mkdir(vol, dst)) ) {
211 /* set things up to copy */
215 srem = sizeof(spath) - slen -1;
220 drem = sizeof(dpath) - dlen -1;
223 while ((de = readdir(dp))) {
224 /* skip this and previous directory */
225 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
228 if (strlen(de->d_name) > srem) {
232 strcpy(spath + slen, de->d_name);
234 if (ostatat(dirfd, spath, &st, vol_syml_opt(vol)) == 0) {
235 if (strlen(de->d_name) > drem) {
239 strcpy(dpath + dlen, de->d_name);
241 if (S_ISDIR(st.st_mode)) {
242 if (AFP_OK != (err = copydir(vol, ddir, dirfd, spath, dpath)))
244 } else if (AFP_OK != (err = copyfile(vol, vol, ddir, dirfd, spath, dpath, NULL, NULL))) {
248 /* keep the same time stamp. */
249 ut.actime = ut.modtime = st.st_mtime;
255 /* keep the same time stamp. */
256 if (ostatat(dirfd, src, &st, vol_syml_opt(vol)) == 0) {
257 ut.actime = ut.modtime = st.st_mtime;
266 /* ---------------------
267 * is our cached offspring count valid?
269 static int diroffcnt(struct dir *dir, struct stat *st)
271 return st->st_ctime == dir->d_ctime;
274 /* --------------------- */
275 static int invisible_dots(const struct vol *vol, const char *name)
277 return vol_inv_dots(vol) && *name == '.' && strcmp(name, ".") && strcmp(name, "..");
280 /* ------------------ */
281 static int set_dir_errors(struct path *path, const char *where, int err)
286 return AFPERR_ACCESS;
290 LOG(log_error, logtype_afpd, "setdirparam(%s): %s: %s", fullpathname(path->u_name), where, strerror(err) );
295 * @brief Convert name in client encoding to server encoding
297 * Convert ret->m_name to ret->u_name from client encoding to server encoding.
298 * This only gets called from cname().
300 * @returns 0 on success, -1 on error
302 * @note If the passed ret->m_name is mangled, we'll demangle it
304 static int cname_mtouname(const struct vol *vol, const struct dir *dir, struct path *ret, int toUTF8)
306 static char temp[ MAXPATHLEN + 1];
310 if (vol->v_obj->afp_version >= 30) {
312 if (dir->d_did == DIRDID_ROOT_PARENT) {
314 * With uft8 volume name is utf8-mac, but requested path may be a mangled longname. See #2611981.
315 * So we compare it with the longname from the current volume and if they match
316 * we overwrite the requested path with the utf8 volume name so that the following
319 ucs2_to_charset(vol->v_maccharset, vol->v_macname, temp, AFPVOL_MACNAMELEN + 1);
320 if (strcasecmp(ret->m_name, temp) == 0)
321 ucs2_to_charset(CH_UTF8_MAC, vol->v_u8mname, ret->m_name, AFPVOL_U8MNAMELEN);
324 if (mtoUTF8(vol, ret->m_name, strlen(ret->m_name), temp, MAXPATHLEN) == (size_t)-1) {
325 afp_errno = AFPERR_PARAM;
328 strcpy(ret->m_name, temp);
332 /* check for OS X mangled filename :( */
333 t = demangle_osx(vol, ret->m_name, dir->d_did, &fileid);
334 LOG(log_maxdebug, logtype_afpd, "cname_mtouname('%s',did:%u) {demangled:'%s', fileid:%u}",
335 ret->m_name, ntohl(dir->d_did), t, ntohl(fileid));
337 if (t != ret->m_name) {
339 /* duplicate work but we can't reuse all convert_char we did in demangle_osx
340 * flags weren't the same
342 if ( (t = utompath(vol, ret->u_name, fileid, utf8_encoding(vol->v_obj))) ) {
343 /* at last got our view of mac name */
344 strcpy(ret->m_name, t);
347 } /* afp_version >= 30 */
349 /* If we haven't got it by now, get it */
350 if (ret->u_name == NULL) {
351 if ((ret->u_name = mtoupath(vol, ret->m_name, dir->d_did, utf8_encoding(vol->v_obj))) == NULL) {
352 afp_errno = AFPERR_PARAM;
361 * @brief Build struct path from struct dir
363 * The final movecwd in cname failed, possibly with EPERM or ENOENT. We:
364 * 1. move cwd into parent dir (we're often already there, but not always)
365 * 2. set struct path to the dirname
367 * AFPERR_ACCESS: the dir is there, we just cant chdir into it
368 * AFPERR_NOOBJ: the dir was there when we stated it in cname, so we have a race
369 * 4. indicate there's no dir for this path
372 static struct path *path_from_dir(struct vol *vol, struct dir *dir, struct path *ret)
374 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
380 if (movecwd( vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
383 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1); /* 3 */
384 if (dir->d_m_name == dir->d_u_name) {
385 ret->u_name = ret->m_name;
387 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
388 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
393 LOG(log_debug, logtype_afpd, "cname('%s') {path-from-dir: AFPERR_ACCESS. curdir:'%s', path:'%s'}",
394 cfrombstr(dir->d_fullpath),
395 cfrombstr(curdir->d_fullpath),
401 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
404 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1);
405 if (dir->d_m_name == dir->d_u_name) {
406 ret->u_name = ret->m_name;
408 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
409 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
412 ret->d_dir = NULL; /* 4 */
413 dir_remove(vol, dir); /* 5 */
420 /* DEADC0DE: never get here */
425 /*********************************************************************************************
427 ********************************************************************************************/
429 int get_afp_errno(const int param)
431 if (afp_errno != AFPERR_DID1)
437 * Resolve struct dir for an absolute path
439 * Given a path like "/Volumes/volume/dir/subdir" in a volume "/Volumes/volume" return
440 * a pointer to struct dir of "subdir".
441 * 1. Remove volue path from absolute path
443 * 3. loop through all elements of the remaining path from 1.
444 * 4. we only allow dirs
446 * 6. if not found in the dircache query the CNID database for the DID
447 * 7. and use dirlookup to resolve the DID to a it's struct dir *
449 * @param vol (r) volume the path is in, must be known
450 * @param path (r) absoule path
452 * @returns pointer to struct dir or NULL on error
454 struct dir *dirlookup_bypath(const struct vol *vol, const char *path)
458 struct dir *dir = NULL;
460 bstring rpath = NULL;
461 bstring statpath = NULL;
462 struct bstrList *l = NULL;
468 LOG(log_debug, logtype_afpd, "dirlookup_bypath(\"%s\")", path);
470 if (strcmp(vol->v_path, path) == 0)
473 EC_NULL(rpath = rel_path_in_vol(path, vol->v_path)); /* 1. */
475 LOG(log_debug, logtype_afpd, "dirlookup_bypath: rpath: \"%s\"", cfrombstr(rpath));
477 EC_NULL(statpath = bfromcstr(vol->v_path)); /* 2. */
479 l = bsplit(rpath, '/');
480 for (int i = 0; i < l->qty ; i++) { /* 3. */
482 EC_ZERO(bcatcstr(statpath, "/"));
483 EC_ZERO(bconcat(statpath, l->entry[i]));
485 LOG(log_debug, logtype_afpd, "dirlookup_bypath: statpath: \"%s\"", cfrombstr(statpath));
487 EC_ZERO_LOGSTR(lstat(cfrombstr(statpath), &st),
488 "lstat(rpath: %s, elem: %s): %s: %s",
489 cfrombstr(rpath), cfrombstr(l->entry[i]),
490 cfrombstr(statpath), strerror(errno));
492 if (!(S_ISDIR(st.st_mode))) /* 4. */
495 if ((dir = dircache_search_by_name(vol, /* 5. */
497 cfrombstr(l->entry[i]),
498 blength(l->entry[i]))) == NULL) {
500 if ((cnid = cnid_add(vol->v_cdb, /* 6. */
503 cfrombstr(l->entry[i]),
504 blength(l->entry[i]),
508 if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
520 LOG(log_debug, logtype_afpd, "dirlookup_bypath: result: \"%s\"",
521 cfrombstr(dir->d_fullpath));
527 * @brief Resolve a DID
529 * Resolve a DID, allocate a struct dir for it
530 * 1. Check for special CNIDs 0 (invalid), 1 and 2.
531 * 2a. Check if the DID is in the cache.
532 * 2b. Check if it's really a dir because we cache files too.
533 * 3. If it's not in the cache resolve it via the database.
534 * 4. Build complete server-side path to the dir.
535 * 5. Check if it exists and is a directory.
536 * 6. Create the struct dir and populate it.
537 * 7. Add it to the cache.
539 * @param vol (r) pointer to struct vol
540 * @param did (r) DID to resolve
542 * @returns pointer to struct dir
544 struct dir *dirlookup(const struct vol *vol, cnid_t did)
546 static char buffer[12 + MAXPATHLEN + 1];
548 struct dir *ret = NULL, *pdir;
549 bstring fullpath = NULL;
550 char *upath = NULL, *mpath;
553 int buflen = 12 + MAXPATHLEN + 1;
557 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): START", ntohl(did));
559 /* check for did 0, 1 and 2 */
560 if (did == 0 || vol == NULL) { /* 1 */
561 afp_errno = AFPERR_PARAM;
564 } else if (did == DIRDID_ROOT_PARENT) {
565 rootParent.d_vid = vol->v_vid;
568 } else if (did == DIRDID_ROOT) {
573 /* Search the cache */
574 if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
575 if (ret->d_flags & DIRF_ISFILE) { /* 2b */
576 afp_errno = AFPERR_BADTYPE;
580 if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
581 LOG(log_debug, logtype_afpd, "dirlookup(did: %u, path: \"%s\"): lstat: %s",
582 ntohl(did), cfrombstr(ret->d_fullpath), strerror(errno));
586 /* It's not there anymore, so remove it */
587 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): calling dir_remove", ntohl(did));
588 dir_remove(vol, ret);
589 afp_errno = AFPERR_NOOBJ;
604 utf8 = utf8_encoding(vol->v_obj);
605 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
607 /* Get it from the database */
609 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): querying CNID database", ntohl(did));
610 if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
611 afp_errno = AFPERR_NOOBJ;
615 if ((upath = strdup(upath)) == NULL) { /* 3 */
616 afp_errno = AFPERR_NOOBJ;
623 * Recurse up the tree, terminates in dirlookup when either
624 * - DIRDID_ROOT is hit
625 * - a cached entry is found
627 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): recursion for did: %u",
628 ntohl(did), ntohl(pdid));
629 if ((pdir = dirlookup(vol, pdid)) == NULL) {
634 /* build the fullpath */
635 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
636 || bconchar(fullpath, '/') != BSTR_OK
637 || bcatcstr(fullpath, upath) != BSTR_OK) {
642 /* stat it and check if it's a dir */
643 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): stating \"%s\"",
644 ntohl(did), cfrombstr(fullpath));
646 if (ostat(cfrombstr(fullpath), &st, vol_syml_opt(vol)) != 0) { /* 5a */
649 afp_errno = AFPERR_NOOBJ;
653 afp_errno = AFPERR_ACCESS;
657 afp_errno = AFPERR_MISC;
662 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
663 afp_errno = AFPERR_BADTYPE;
669 /* Get macname from unix name */
670 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
671 afp_errno = AFPERR_NOOBJ;
676 /* Create struct dir */
677 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, &st)) == NULL) { /* 6 */
678 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
683 /* Add it to the cache only if it's a dir */
684 if (dircache_add(vol, ret) != 0) { /* 7 */
690 if (upath) free(upath);
692 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
693 ntohl(did), AfpErr2name(afp_errno));
702 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): RESULT: pdid: %u, path: \"%s\"",
703 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
708 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
711 * @brief Construct struct dir
713 * Construct struct dir from parameters.
715 * @param m_name (r) directory name in UTF8-dec
716 * @param u_name (r) directory name in server side encoding
717 * @param vol (r) pointer to struct vol
718 * @param pdid (r) Parent CNID
719 * @param did (r) CNID
720 * @param path (r) Full unix path to object
721 * @param st (r) struct stat of object
723 * @returns pointer to new struct dir or NULL on error
725 * @note Most of the time mac name and unix name are the same.
727 struct dir *dir_new(const char *m_name,
729 const struct vol *vol,
737 dir = (struct dir *) calloc(1, sizeof( struct dir ));
741 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
746 if (convert_string_allocate( (utf8_encoding(vol->v_obj)) ? CH_UTF8_MAC : vol->v_maccharset,
749 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
750 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
751 dir->d_m_name_ucs2 = NULL;
754 if (m_name == u_name || !strcmp(m_name, u_name)) {
755 dir->d_u_name = dir->d_m_name;
757 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
758 bdestroy(dir->d_m_name);
765 dir->d_vid = vol->v_vid;
766 dir->d_fullpath = path;
767 dir->dcache_ctime = st->st_ctime;
768 dir->dcache_ino = st->st_ino;
769 if (!S_ISDIR(st->st_mode))
770 dir->d_flags = DIRF_ISFILE;
771 dir->d_rights_cache = 0xffffffff;
776 * @brief Free a struct dir and all its members
778 * @param (rw) pointer to struct dir
780 void dir_free(struct dir *dir)
782 if (dir->d_u_name != dir->d_m_name) {
783 bdestroy(dir->d_u_name);
785 if (dir->d_m_name_ucs2)
786 free(dir->d_m_name_ucs2);
787 bdestroy(dir->d_m_name);
788 bdestroy(dir->d_fullpath);
793 * @brief Create struct dir from struct path
795 * Create a new struct dir from struct path. Then add it to the cache.
797 * 1. Open adouble file, get CNID from it.
798 * 2. Search the database, hinting with the CNID from (1).
799 * 3. Build fullpath and create struct dir.
800 * 4. Add it to the cache.
802 * @param vol (r) pointer to struct vol, possibly modified in callee
803 * @param dir (r) pointer to parrent directory
804 * @param path (rw) pointer to struct path with valid path->u_name
805 * @param len (r) strlen of path->u_name
807 * @returns Pointer to new struct dir or NULL on error.
809 * @note Function also assigns path->m_name from path->u_name.
811 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
814 struct dir *cdir = NULL;
817 struct adouble *adp = NULL;
825 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
826 /* there's a stray entry in the dircache */
827 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
828 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
829 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
830 if (dir_remove(vol, cdir) != 0) {
832 AFP_PANIC("dir_add");
836 /* get_id needs adp for reading CNID from adouble file */
838 if ((ad_open(&ad, path->u_name, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_RDONLY)) == 0) /* 1 */
842 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
848 ad_close(adp, ADFLAGS_HF);
850 /* Get macname from unixname */
851 if (path->m_name == NULL) {
852 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding(vol->v_obj))) == NULL) {
853 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
860 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
861 || (bconchar(fullpath, '/') != BSTR_OK)
862 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
863 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
868 /* Allocate and initialize struct dir */
869 if ((cdir = dir_new(path->m_name,
875 &path->st)) == NULL) { /* 3 */
880 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
881 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
887 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
888 cfrombstr(dir->d_u_name), path->u_name, err);
891 ad_close(adp, ADFLAGS_HF);
892 if (!cdir && fullpath)
899 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
900 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
901 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
908 * Free the queue with invalid struct dirs
910 * This gets called at the end of every AFP func.
912 void dir_free_invalid_q(void)
915 while ((dir = (struct dir *)dequeue(invalid_dircache_entries)))
920 * @brief Remove a dir from a cache and queue it for freeing
922 * 1. Check if the dir is locked or has opened forks
923 * 2. Remove it from the cache
924 * 3. Queue it for removal
925 * 4. If it's a request to remove curdir, mark curdir as invalid
926 * 5. Mark it as invalid
928 * @param (r) pointer to struct vol
929 * @param (rw) pointer to struct dir
931 int dir_remove(const struct vol *vol, struct dir *dir)
936 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
939 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
940 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
942 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
943 enqueue(invalid_dircache_entries, dir); /* 3 */
945 if (curdir == dir) /* 4 */
948 dir->d_did = CNID_INVALID; /* 5 */
955 * @brief Modify a struct dir, adjust cache
957 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
958 * If given new_uname == new_mname, new_uname will point to new_mname.
960 * @param vol (r) pointer to struct vol
961 * @param dir (rw) pointer to struct dir
962 * @param pdid (r) new parent DID
963 * @param did (r) new DID
964 * @param new_mname (r) new mac-name
965 * @param new_uname (r) new unix-name
966 * @param pdir_fullpath (r) new fullpath of parent dir
968 int dir_modify(const struct vol *vol,
972 const char *new_mname,
973 const char *new_uname,
974 bstring pdir_fullpath)
978 /* Remove it from the cache */
979 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
987 /* free uname if it's not the same as mname */
988 if (dir->d_m_name != dir->d_u_name)
989 bdestroy(dir->d_u_name);
991 if (new_uname == NULL)
992 new_uname = new_mname;
994 /* assign new name */
995 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
996 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1000 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1001 dir->d_u_name = dir->d_m_name;
1003 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1004 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1010 if (pdir_fullpath) {
1011 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1013 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1015 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1019 if (dir->d_m_name_ucs2)
1020 free(dir->d_m_name_ucs2);
1021 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))
1022 dir->d_m_name_ucs2 = NULL;
1024 /* Re-add it to the cache */
1025 if ((dircache_add(vol, dir)) != 0) {
1027 AFP_PANIC("dir_modify");
1035 * @brief Resolve a catalog node name path
1037 * 1. Evaluate path type
1038 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1039 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1040 * is dir parent then. All this is done in path_from_dir().
1041 * 3. Parse next cnode name in path, cases:
1042 * 4. single "\0" -> do nothing
1043 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1044 * 6. cnode name -> copy it to path.m_name
1045 * 7. Get unix name from mac name
1046 * 8. Special handling of request with did 1
1047 * 9. stat the cnode name
1048 * 10. If it's not there, it's probably an afp_createfile|dir,
1049 * return with curdir = dir parent, struct path = dirname
1050 * 11. If it's there and it's a file, it must should be the last element of the requested
1051 * path. Return with curdir = cnode name parent dir, struct path = filename
1052 * 12. Treat symlinks like files, dont follow them
1053 * 13. If it's a dir:
1054 * 14. Search the dircache for it
1055 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1056 * 16. chdir into the dir and
1057 * 17. set m_name to the mac equivalent of "."
1060 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1062 static char path[ MAXPATHLEN + 1];
1063 static struct path ret;
1073 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1076 afp_errno = AFPERR_NOOBJ;
1077 memset(&ret, 0, sizeof(ret));
1079 switch (ret.m_type = *data) { /* 1 */
1082 len = (unsigned char) *data++;
1084 if (vol->v_obj->afp_version >= 30) {
1090 if (vol->v_obj->afp_version >= 30) {
1092 memcpy(&hint, data, sizeof(hint));
1094 data += sizeof(hint);
1096 memcpy(&len16, data, sizeof(len16));
1102 /* else it's an error */
1104 afp_errno = AFPERR_PARAM;
1107 *cpath += len + size;
1112 if (movecwd(vol, dir) < 0 ) {
1113 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1114 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1116 return path_from_dir(vol, dir, &ret);
1121 while (len) { /* 3 */
1122 if (*data == 0) { /* 4 or 5 */
1125 while (len > 0 && *data == 0) { /* 5 */
1126 /* chdir to parrent dir */
1127 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1129 if (movecwd( vol, dir ) < 0 ) {
1130 dir_remove(vol, dir);
1140 for ( p = path; *data != 0 && len > 0; len-- ) {
1142 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1143 afp_errno = AFPERR_PARAM;
1147 *p = 0; /* Terminate string */
1150 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1151 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1155 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1157 /* Prevent access to our special folders like .AppleDouble */
1158 if (check_name(vol, ret.u_name)) {
1159 /* the name is illegal */
1160 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1161 afp_errno = AFPERR_PARAM;
1165 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1167 * Special case: CNID 1
1168 * root parent (did 1) has one child: the volume. Requests for did=1 with
1169 * some <name> must check against the volume name.
1171 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1177 * CNID != 1, eg. most of the times we take this way.
1178 * Now check if current path-part is a file or dir:
1179 * o if it's dir we have to step into it
1180 * o if it's a file we expect it to be the last part of the requested path
1181 * and thus call continue which should terminate the while loop because
1184 if (of_stat(vol, &ret) != 0) { /* 9 */
1186 * ret.u_name doesn't exist, might be afp_createfile|dir
1187 * that means it should have been the last part
1190 /* it wasn't the last part, so we have a bogus path request */
1191 afp_errno = AFPERR_NOOBJ;
1195 * this will terminate clean in while (1) because len == 0,
1196 * probably afp_createfile|dir
1198 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1199 cfrombstr(dir->d_fullpath), ret.u_name);
1203 switch (ret.st.st_mode & S_IFMT) {
1204 case S_IFREG: /* 11 */
1205 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1206 cfrombstr(dir->d_fullpath), ret.u_name);
1208 /* it wasn't the last part, so we have a bogus path request */
1209 afp_errno = AFPERR_PARAM;
1212 continue; /* continues while loop */
1213 case S_IFLNK: /* 12 */
1214 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1215 cfrombstr(dir->d_fullpath), ret.u_name);
1217 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1218 cfrombstr(dir->d_fullpath), ret.u_name);
1219 afp_errno = AFPERR_PARAM;
1222 continue; /* continues while loop */
1223 case S_IFDIR: /* 13 */
1226 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1227 afp_errno = AFPERR_NODIR;
1231 /* Search the cache */
1232 int unamelen = strlen(ret.u_name);
1233 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
1235 /* Not in cache, create one */
1236 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1237 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1238 ntohl(dir->d_did), ret.u_name, getcwdpath());
1242 } /* if/else cnid==1 */
1244 /* Now chdir to the evaluated dir */
1245 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1246 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1247 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1249 return path_from_dir(vol, cdir, &ret);
1254 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1257 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1258 afp_errno = AFPERR_DID1;
1262 if (ret.m_name[0] == 0) {
1263 /* Last part was a dir */
1264 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1268 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1269 cfrombstr(dir->d_fullpath),
1270 cfrombstr(curdir->d_fullpath),
1277 * @brief chdir() to dir
1279 * @param vol (r) pointer to struct vol
1280 * @param dir (r) pointer to struct dir
1282 * @returns 0 on success, -1 on error with afp_errno set appropiately
1284 int movecwd(const struct vol *vol, struct dir *dir)
1291 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1292 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1294 if (dir->d_did == DIRDID_ROOT_PARENT) {
1295 curdir = &rootParent;
1299 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1300 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1302 if ((ret = ochdir(cfrombstr(dir->d_fullpath), vol_syml_opt(vol))) != 0 ) {
1303 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): %s",
1304 cfrombstr(dir->d_fullpath), strerror(errno));
1306 /* p is a symlink or getcwd failed */
1307 afp_errno = AFPERR_BADTYPE;
1309 if (chdir(vol->v_path ) < 0) {
1310 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1311 /* XXX what do we do here? */
1313 curdir = vol->v_root;
1320 afp_errno = AFPERR_ACCESS;
1323 afp_errno = AFPERR_NOOBJ;
1333 * We can't use unix file's perm to support Apple's inherited protection modes.
1334 * If we aren't the file's owner we can't change its perms when moving it and smb
1335 * nfs,... don't even try.
1337 int check_access(const AFPObj *obj, struct vol *vol, char *path, int mode)
1346 accessmode(obj, vol, p, &ma, curdir, NULL);
1347 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1349 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1355 /* --------------------- */
1356 int file_access(const AFPObj *obj, struct vol *vol, struct path *path, int mode)
1360 accessmode(obj, vol, path->u_name, &ma, curdir, &path->st);
1362 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1363 path->u_name, ma.ma_user);
1365 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1366 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1369 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1370 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1377 /* --------------------- */
1378 void setdiroffcnt(struct dir *dir, struct stat *st, uint32_t count)
1380 dir->d_offcnt = count;
1381 dir->d_ctime = st->st_ctime;
1382 dir->d_flags &= ~DIRF_CNID;
1386 /* ---------------------
1387 * is our cached also for reenumerate id?
1389 int dirreenumerate(struct dir *dir, struct stat *st)
1391 return st->st_ctime == dir->d_ctime && (dir->d_flags & DIRF_CNID);
1394 /* ------------------------------
1396 (name, dir) with curdir:name == dir, from afp_enumerate
1399 int getdirparams(const AFPObj *obj,
1400 const struct vol *vol,
1401 uint16_t bitmap, struct path *s_path,
1403 char *buf, size_t *buflen )
1407 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1408 int bit = 0, isad = 0;
1414 struct stat *st = &s_path->st;
1415 char *upath = s_path->u_name;
1417 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1418 (1 << DIRPBIT_CDATE) |
1419 (1 << DIRPBIT_MDATE) |
1420 (1 << DIRPBIT_BDATE) |
1421 (1 << DIRPBIT_FINFO)))) {
1424 if ( !ad_metadata( upath, ADFLAGS_DIR, &ad) ) {
1426 if (ad.ad_mdp->adf_flags & O_CREAT) {
1427 /* We just created it */
1428 if (s_path->m_name == NULL) {
1429 if ((s_path->m_name = utompath(vol,
1432 utf8_encoding(obj))) == NULL) {
1433 LOG(log_error, logtype_afpd,
1434 "getdirparams(\"%s\"): can't assign macname",
1435 cfrombstr(dir->d_fullpath));
1439 ad_setname(&ad, s_path->m_name);
1454 while ( bitmap != 0 ) {
1455 while (( bitmap & 1 ) == 0 ) {
1463 ad_getattr(&ad, &ashort);
1464 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1465 ashort = htons(ATTRBIT_INVISIBLE);
1468 memcpy( data, &ashort, sizeof( ashort ));
1469 data += sizeof( ashort );
1473 memcpy( data, &pdid, sizeof( pdid ));
1474 data += sizeof( pdid );
1475 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1476 s_path->u_name, ntohl(pdid));
1479 case DIRPBIT_CDATE :
1480 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1481 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1482 memcpy( data, &aint, sizeof( aint ));
1483 data += sizeof( aint );
1486 case DIRPBIT_MDATE :
1487 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1488 memcpy( data, &aint, sizeof( aint ));
1489 data += sizeof( aint );
1492 case DIRPBIT_BDATE :
1493 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1494 aint = AD_DATE_START;
1495 memcpy( data, &aint, sizeof( aint ));
1496 data += sizeof( aint );
1499 case DIRPBIT_FINFO :
1501 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1502 } else { /* no appledouble */
1503 memset( data, 0, 32 );
1504 /* set default view -- this also gets done in ad_open() */
1505 ashort = htons(FINDERINFO_CLOSEDVIEW);
1506 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1508 /* dot files are by default visible */
1509 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1510 ashort = htons(FINDERINFO_INVISIBLE);
1511 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1517 case DIRPBIT_LNAME :
1518 if (dir->d_m_name) /* root of parent can have a null name */
1521 memset(data, 0, sizeof(uint16_t));
1522 data += sizeof( uint16_t );
1525 case DIRPBIT_SNAME :
1526 memset(data, 0, sizeof(uint16_t));
1527 data += sizeof( uint16_t );
1531 memcpy( data, &dir->d_did, sizeof( aint ));
1532 data += sizeof( aint );
1533 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1534 s_path->u_name, ntohl(dir->d_did));
1537 case DIRPBIT_OFFCNT :
1539 /* this needs to handle current directory access rights */
1540 if (diroffcnt(dir, st)) {
1541 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1543 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1544 setdiroffcnt(dir, st, ret);
1545 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1547 ashort = htons( ashort );
1548 memcpy( data, &ashort, sizeof( ashort ));
1549 data += sizeof( ashort );
1553 aint = htonl(st->st_uid);
1554 memcpy( data, &aint, sizeof( aint ));
1555 data += sizeof( aint );
1559 aint = htonl(st->st_gid);
1560 memcpy( data, &aint, sizeof( aint ));
1561 data += sizeof( aint );
1564 case DIRPBIT_ACCESS :
1565 accessmode(obj, vol, upath, &ma, dir , st);
1567 *data++ = ma.ma_user;
1568 *data++ = ma.ma_world;
1569 *data++ = ma.ma_group;
1570 *data++ = ma.ma_owner;
1573 /* Client has requested the ProDOS information block.
1574 Just pass back the same basic block for all
1575 directories. <shirsch@ibm.net> */
1576 case DIRPBIT_PDINFO :
1577 if (obj->afp_version >= 30) { /* UTF8 name */
1578 utf8 = kTextEncodingUTF8;
1579 if (dir->d_m_name) /* root of parent can have a null name */
1582 memset(data, 0, sizeof(uint16_t));
1583 data += sizeof( uint16_t );
1585 memcpy(data, &aint, sizeof( aint ));
1586 data += sizeof( aint );
1588 else { /* ProDOS Info Block */
1591 ashort = htons( 0x0200 );
1592 memcpy( data, &ashort, sizeof( ashort ));
1593 data += sizeof( ashort );
1594 memset( data, 0, sizeof( ashort ));
1595 data += sizeof( ashort );
1599 case DIRPBIT_UNIXPR :
1600 /* accessmode may change st_mode with ACLs */
1601 accessmode(obj, vol, upath, &ma, dir, st);
1603 aint = htonl(st->st_uid);
1604 memcpy( data, &aint, sizeof( aint ));
1605 data += sizeof( aint );
1606 aint = htonl(st->st_gid);
1607 memcpy( data, &aint, sizeof( aint ));
1608 data += sizeof( aint );
1611 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1612 memcpy( data, &aint, sizeof( aint ));
1613 data += sizeof( aint );
1615 *data++ = ma.ma_user;
1616 *data++ = ma.ma_world;
1617 *data++ = ma.ma_group;
1618 *data++ = ma.ma_owner;
1623 ad_close(&ad, ADFLAGS_HF);
1625 return( AFPERR_BITMAP );
1631 ashort = htons( data - buf );
1632 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1633 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1635 if ( utf_nameoff ) {
1636 ashort = htons( data - buf );
1637 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1638 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1641 ad_close(&ad, ADFLAGS_HF);
1643 *buflen = data - buf;
1647 /* ----------------------------- */
1648 int path_error(struct path *path, int error)
1650 /* - a dir with access error
1651 * - no error it's a file
1654 if (path_isadir(path))
1656 if (path->st_valid && path->st_errno)
1658 return AFPERR_BADTYPE ;
1661 /* ----------------------------- */
1662 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1667 uint16_t vid, bitmap;
1673 memcpy( &vid, ibuf, sizeof( vid ));
1674 ibuf += sizeof( vid );
1676 if (NULL == ( vol = getvolbyvid( vid )) ) {
1677 return( AFPERR_PARAM );
1680 if (vol->v_flags & AFPVOL_RO)
1681 return AFPERR_VLOCK;
1683 memcpy( &did, ibuf, sizeof( did ));
1684 ibuf += sizeof( int );
1686 if (NULL == ( dir = dirlookup( vol, did )) ) {
1690 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1691 bitmap = ntohs( bitmap );
1692 ibuf += sizeof( bitmap );
1694 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1695 return get_afp_errno(AFPERR_NOOBJ);
1698 if ( *path->m_name != '\0' ) {
1699 rc = path_error(path, AFPERR_NOOBJ);
1700 /* maybe we are trying to set perms back */
1701 if (rc != AFPERR_ACCESS)
1706 * If ibuf is odd, make it even.
1708 if ((u_long)ibuf & 1 ) {
1712 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1713 setvoltime(obj, vol );
1719 * assume path == '\0' eg. it's a directory in canonical form
1721 int setdirparams(struct vol *vol, struct path *path, uint16_t d_bitmap, char *buf )
1733 uint16_t ashort, bshort, oshort;
1735 int change_mdate = 0;
1736 int change_parent_mdate = 0;
1738 uint16_t bitmap = d_bitmap;
1739 u_char finder_buf[32];
1742 bool set_upriv = false, set_maccess = false;
1744 LOG(log_debug, logtype_afpd, "setdirparams(\"%s\", bitmap: %02x)", path->u_name, bitmap);
1747 upath = path->u_name;
1749 while ( bitmap != 0 ) {
1750 while (( bitmap & 1 ) == 0 ) {
1758 memcpy( &ashort, buf, sizeof( ashort ));
1759 buf += sizeof( ashort );
1761 case DIRPBIT_CDATE :
1763 memcpy(&cdate, buf, sizeof(cdate));
1764 buf += sizeof( cdate );
1766 case DIRPBIT_MDATE :
1767 memcpy(&newdate, buf, sizeof(newdate));
1768 buf += sizeof( newdate );
1770 case DIRPBIT_BDATE :
1772 memcpy(&bdate, buf, sizeof(bdate));
1773 buf += sizeof( bdate );
1775 case DIRPBIT_FINFO :
1777 memcpy( finder_buf, buf, 32 );
1780 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1781 memcpy( &owner, buf, sizeof(owner));
1782 buf += sizeof( owner );
1785 memcpy( &group, buf, sizeof( group ));
1786 buf += sizeof( group );
1788 case DIRPBIT_ACCESS :
1791 ma.ma_user = *buf++;
1792 ma.ma_world = *buf++;
1793 ma.ma_group = *buf++;
1794 ma.ma_owner = *buf++;
1795 mpriv = mtoumode( &ma ) | vol->v_dperm;
1797 /* Ignore what the client thinks we should do to the
1798 ProDOS information block. Skip over the data and
1799 report nothing amiss. <shirsch@ibm.net> */
1800 case DIRPBIT_PDINFO :
1801 if (vol->v_obj->afp_version < 30) {
1805 err = AFPERR_BITMAP;
1809 case DIRPBIT_UNIXPR :
1810 if (vol_unix_priv(vol)) {
1812 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1813 buf += sizeof( owner );
1814 memcpy( &group, buf, sizeof( group ));
1815 buf += sizeof( group );
1818 memcpy( &upriv, buf, sizeof( upriv ));
1819 buf += sizeof( upriv );
1820 upriv = ntohl (upriv) | vol->v_dperm;
1825 err = AFPERR_BITMAP;
1834 if (d_bitmap & ((1<<DIRPBIT_ATTR) | (1<<DIRPBIT_CDATE) | (1<<DIRPBIT_BDATE) | (1<<DIRPBIT_FINFO))) {
1836 if (ad_open(&ad, upath, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) != 0) {
1837 LOG(log_debug, logtype_afpd, "setdirparams(\"%s\", bitmap: %02x): need adouble", path->u_name, d_bitmap);
1838 return AFPERR_ACCESS;
1840 if ((ad_get_MD_flags(&ad) & O_CREAT)) {
1841 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1848 while ( bitmap != 0 ) {
1849 while (( bitmap & 1 ) == 0 ) {
1857 ad_getattr(&ad, &bshort);
1859 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1860 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1864 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1865 change_parent_mdate = 1;
1866 ad_setattr(&ad, bshort);
1869 case DIRPBIT_CDATE :
1871 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1874 case DIRPBIT_MDATE :
1876 case DIRPBIT_BDATE :
1878 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1881 case DIRPBIT_FINFO :
1883 /* Fixes #2802236 */
1885 memcpy(&fflags, finder_buf + FINDERINFO_FRFLAGOFF, sizeof(uint16_t));
1886 fflags &= htons(~FINDERINFO_ISHARED);
1887 memcpy(finder_buf + FINDERINFO_FRFLAGOFF, &fflags, sizeof(uint16_t));
1890 if ( dir->d_did == DIRDID_ROOT ) {
1892 * Alright, we admit it, this is *really* sick!
1893 * The 4 bytes that we don't copy, when we're dealing
1894 * with the root of a volume, are the directory's
1895 * location information. This eliminates that annoying
1896 * behavior one sees when mounting above another mount
1899 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1900 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1902 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
1906 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1907 if ( (dir->d_did == DIRDID_ROOT) &&
1908 (setdeskowner(vol, ntohl(owner), -1 ) < 0)) {
1909 err = set_dir_errors(path, "setdeskowner", errno);
1910 if (isad && err == AFPERR_PARAM) {
1911 err = AFP_OK; /* ???*/
1914 goto setdirparam_done;
1917 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
1918 err = set_dir_errors(path, "setdirowner", errno);
1919 goto setdirparam_done;
1923 if (dir->d_did == DIRDID_ROOT)
1924 setdeskowner(vol, -1, ntohl(group) );
1925 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
1926 err = set_dir_errors(path, "setdirowner", errno);
1927 goto setdirparam_done;
1930 case DIRPBIT_ACCESS :
1932 case DIRPBIT_PDINFO :
1933 if (vol->v_obj->afp_version >= 30) {
1934 err = AFPERR_BITMAP;
1935 goto setdirparam_done;
1938 case DIRPBIT_UNIXPR :
1939 if (!vol_unix_priv(vol)) {
1940 err = AFPERR_BITMAP;
1941 goto setdirparam_done;
1945 err = AFPERR_BITMAP;
1946 goto setdirparam_done;
1955 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
1956 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
1960 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
1961 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
1966 if (path->st_valid && !path->st_errno) {
1967 struct stat *st = &path->st;
1968 if (dir && dir->d_pdid) {
1969 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
1972 if (ad_flush(&ad) != 0) {
1975 err = AFPERR_ACCESS;
1982 ad_close(&ad, ADFLAGS_HF);
1985 if (err == AFP_OK) {
1986 if (set_maccess == true) {
1987 if (dir->d_did == DIRDID_ROOT) {
1988 setdeskmode(vol, mpriv);
1989 if (!dir_rx_set(mpriv)) {
1990 /* we can't remove read and search for owner on volume root */
1991 err = AFPERR_ACCESS;
1995 if (setdirunixmode(vol, upath, mpriv) < 0) {
1996 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirunixmode: %s",
1997 fullpathname(upath), strerror(errno));
1998 err = set_dir_errors(path, "setdirmode", errno);
2001 if ((set_upriv == true) && vol_unix_priv(vol)) {
2002 if (dir->d_did == DIRDID_ROOT) {
2003 if (!dir_rx_set(upriv)) {
2004 /* we can't remove read and search for owner on volume root */
2005 err = AFPERR_ACCESS;
2008 setdeskowner(vol, -1, ntohl(group));
2009 setdeskmode(vol, upriv);
2012 if (setdirowner(vol, upath, -1, ntohl(group)) < 0) {
2013 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirowner: %s",
2014 fullpathname(upath), strerror(errno));
2015 err = set_dir_errors(path, "setdirowner", errno);
2019 if (setdirunixmode(vol, upath, upriv) < 0) {
2020 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirunixmode: %s",
2021 fullpathname(upath), strerror(errno));
2022 err = set_dir_errors(path, "setdirunixmode", errno);
2028 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2029 && gettimeofday(&tv, NULL) == 0) {
2030 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2031 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2032 /* be careful with bitmap because now dir is null */
2033 bitmap = 1<<DIRPBIT_MDATE;
2034 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2035 /* should we reset curdir ?*/
2041 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2055 memcpy( &vid, ibuf, sizeof( vid ));
2056 ibuf += sizeof( vid );
2057 if (NULL == (vol = getvolbyvid( vid )) ) {
2058 return( AFPERR_PARAM );
2061 memcpy( &did, ibuf, sizeof( did ));
2062 ibuf += sizeof( did );
2066 * if it's CNID 2 our only choice to meet the specs is call sync.
2067 * For any other CNID just sync that dir. To my knowledge the
2068 * intended use of FPSyncDir is to sync the volume so all we're
2069 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2072 if ( ntohl(did) == 2 ) {
2075 if (NULL == ( dir = dirlookup( vol, did )) ) {
2076 return afp_errno; /* was AFPERR_NOOBJ */
2079 if (movecwd( vol, dir ) < 0 )
2080 return ( AFPERR_NOOBJ );
2083 * Assuming only OSens that have dirfd also may require fsyncing directories
2084 * in order to flush metadata e.g. Linux.
2088 if (NULL == ( dp = opendir( "." )) ) {
2091 return( AFPERR_NOOBJ );
2093 return( AFPERR_ACCESS );
2095 return( AFPERR_PARAM );
2099 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2102 if ( fsync ( dfd ) < 0 )
2103 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2104 dir->d_u_name, strerror(errno) );
2105 closedir(dp); /* closes dfd too */
2108 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2111 return( AFPERR_NOOBJ );
2113 return( AFPERR_ACCESS );
2115 return( AFPERR_PARAM );
2119 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2120 vol->ad_path(".", ADFLAGS_DIR) );
2122 if ( fsync(dfd) < 0 )
2123 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2124 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2131 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2137 struct path *s_path;
2145 memcpy( &vid, ibuf, sizeof( vid ));
2146 ibuf += sizeof( vid );
2147 if (NULL == ( vol = getvolbyvid( vid )) ) {
2148 return( AFPERR_PARAM );
2151 if (vol->v_flags & AFPVOL_RO)
2152 return AFPERR_VLOCK;
2154 memcpy( &did, ibuf, sizeof( did ));
2155 ibuf += sizeof( did );
2156 if (NULL == ( dir = dirlookup( vol, did )) ) {
2157 return afp_errno; /* was AFPERR_NOOBJ */
2159 /* for concurrent access we need to be sure we are not in the
2160 * folder we want to create...
2164 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2165 return get_afp_errno(AFPERR_PARAM);
2167 /* cname was able to move curdir to it! */
2168 if (*s_path->m_name == '\0')
2169 return AFPERR_EXIST;
2171 upath = s_path->u_name;
2173 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2177 if (of_stat(vol, s_path) < 0) {
2183 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2187 if ( movecwd( vol, dir ) < 0 ) {
2188 return( AFPERR_PARAM );
2192 if (ad_open(&ad, ".", ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) < 0) {
2193 return( AFPERR_ACCESS );
2195 ad_setname(&ad, s_path->m_name);
2196 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2198 fce_register(FCE_DIR_CREATE, bdata(curdir->d_fullpath), NULL, fce_dir);
2201 ad_close(&ad, ADFLAGS_HF);
2203 memcpy( rbuf, &dir->d_did, sizeof( uint32_t ));
2204 *rbuflen = sizeof( uint32_t );
2205 setvoltime(obj, vol );
2210 * dst new unix filename (not a pathname)
2211 * newname new mac name
2213 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2215 int renamedir(struct vol *vol,
2220 struct dir *newparent,
2226 /* existence check moved to afp_moveandrename */
2227 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2230 return( AFPERR_NOOBJ );
2232 return( AFPERR_ACCESS );
2234 return AFPERR_VLOCK;
2236 /* tried to move directory into a subdirectory of itself */
2237 return AFPERR_CANTMOVE;
2239 /* this needs to copy and delete. bleah. that means we have
2240 * to deal with entire directory hierarchies. */
2241 if ((err = copydir(vol, newparent, dirfd, src, dst)) < 0) {
2242 deletedir(vol, -1, dst);
2245 if ((err = deletedir(vol, dirfd, src)) < 0)
2249 return( AFPERR_PARAM );
2253 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2257 if (ad_open(&ad, dst, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_RDWR) == 0) {
2258 ad_setname(&ad, newname);
2260 ad_close(&ad, ADFLAGS_HF);
2266 /* delete an empty directory */
2267 int deletecurdir(struct vol *vol)
2271 struct dir *fdir, *pdir;
2277 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2278 return( AFPERR_ACCESS );
2284 /* we never want to create a resource fork here, we are going to delete it */
2285 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2287 ad_getattr(&ad, &ashort);
2288 ad_close(&ad, ADFLAGS_HF);
2289 if ((ashort & htons(ATTRBIT_NODELETE))) {
2290 return AFPERR_OLOCK;
2293 err = vol->vfs->vfs_deletecurdir(vol);
2295 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2296 cfrombstr(curdir->d_fullpath));
2300 /* now get rid of dangling symlinks */
2301 if ((dp = opendir("."))) {
2302 while ((de = readdir(dp))) {
2303 /* skip this and previous directory */
2304 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2307 /* bail if it's not a symlink */
2308 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2309 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2310 bdata(curdir->d_fullpath));
2312 return AFPERR_DIRNEMPT;
2315 if ((err = netatalk_unlink(de->d_name))) {
2322 if (movecwd(vol, pdir) < 0) {
2327 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2328 cfrombstr(curdir->d_fullpath));
2330 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2331 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2332 cnid_delete(vol->v_cdb, fdir->d_did);
2333 dir_remove( vol, fdir );
2335 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2336 cfrombstr(curdir->d_fullpath));
2341 /* inode is used as key for cnid.
2342 * Close the descriptor only after cnid_delete
2350 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2360 sfunc = (unsigned char) *ibuf++;
2363 if (sfunc >= 3 && sfunc <= 6) {
2364 if (obj->afp_version < 30) {
2365 return( AFPERR_PARAM );
2372 case 3 :/* unicode */
2373 memcpy( &id, ibuf, sizeof( id ));
2376 if (( pw = getpwuid( id )) == NULL ) {
2377 return( AFPERR_NOITEM );
2379 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2380 pw->pw_name, -1, &name);
2387 case 4 : /* unicode */
2388 memcpy( &id, ibuf, sizeof( id ));
2391 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2392 return( AFPERR_NOITEM );
2394 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2395 gr->gr_name, -1, &name);
2402 case 5 : /* UUID -> username */
2403 case 6 : /* UUID -> groupname */
2404 if ((obj->afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2405 return AFPERR_PARAM;
2406 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2408 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2409 if (len != 0) /* its a error code, not len */
2410 return AFPERR_NOITEM;
2413 if (( pw = getpwnam( name )) == NULL )
2414 return( AFPERR_NOITEM );
2415 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2416 id = htonl(UUID_USER);
2417 memcpy( rbuf, &id, sizeof( id ));
2418 id = htonl( pw->pw_uid);
2419 rbuf += sizeof( id );
2420 memcpy( rbuf, &id, sizeof( id ));
2421 rbuf += sizeof( id );
2422 *rbuflen = 2 * sizeof( id );
2425 if (( gr = getgrnam( name )) == NULL )
2426 return( AFPERR_NOITEM );
2427 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2428 id = htonl(UUID_GROUP);
2429 memcpy( rbuf, &id, sizeof( id ));
2430 rbuf += sizeof( id );
2431 id = htonl( gr->gr_gid);
2432 memcpy( rbuf, &id, sizeof( id ));
2433 rbuf += sizeof( id );
2434 *rbuflen = 2 * sizeof( id );
2442 return( AFPERR_PARAM );
2446 len = strlen( name );
2449 uint16_t tp = htons(len);
2450 memcpy(rbuf, &tp, sizeof(tp));
2459 memcpy( rbuf, name, len );
2467 int afp_mapname(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2476 sfunc = (unsigned char) *ibuf++;
2478 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d", sfunc);
2481 case 2 : /* unicode */
2482 if (obj->afp_version < 30) {
2483 return( AFPERR_PARAM );
2485 memcpy(&ulen, ibuf, sizeof(ulen));
2488 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2492 len = (unsigned char) *ibuf++;
2494 case 5 : /* username -> UUID */
2495 case 6 : /* groupname -> UUID */
2496 if ((obj->afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2497 return AFPERR_PARAM;
2498 memcpy(&ulen, ibuf, sizeof(ulen));
2503 return( AFPERR_PARAM );
2509 return AFPERR_PARAM;
2512 case 1 : /* unicode */
2514 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2515 return( AFPERR_NOITEM );
2519 memcpy( rbuf, &id, sizeof( id ));
2520 *rbuflen = sizeof( id );
2523 case 2 : /* unicode */
2525 LOG(log_debug, logtype_afpd, "afp_mapname: getgrnam for name: %s",ibuf);
2526 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2527 return( AFPERR_NOITEM );
2530 LOG(log_debug, logtype_afpd, "afp_mapname: getgrnam for name: %s -> id: %d",ibuf, id);
2532 memcpy( rbuf, &id, sizeof( id ));
2533 *rbuflen = sizeof( id );
2535 case 5 : /* username -> UUID */
2536 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2537 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2538 return AFPERR_NOITEM;
2539 *rbuflen = UUID_BINSIZE;
2541 case 6 : /* groupname -> UUID */
2542 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2543 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2544 return AFPERR_NOITEM;
2545 *rbuflen = UUID_BINSIZE;
2552 /* ------------------------------------
2553 variable DID support
2555 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2566 /* do nothing as dids are static for the life of the process. */
2570 memcpy(&vid, ibuf, sizeof( vid ));
2571 ibuf += sizeof( vid );
2572 if (( vol = getvolbyvid( vid )) == NULL ) {
2573 return( AFPERR_PARAM );
2576 memcpy( &did, ibuf, sizeof( did ));
2577 ibuf += sizeof( did );
2578 if (( dir = dirlookup( vol, did )) == NULL ) {
2579 return( AFPERR_PARAM );
2582 /* dir_remove -- deletedid */
2588 /* did creation gets done automatically
2589 * there's a pb again with case but move it to cname
2591 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2594 struct dir *parentdir;
2602 memcpy(&vid, ibuf, sizeof(vid));
2603 ibuf += sizeof( vid );
2605 if (NULL == ( vol = getvolbyvid( vid )) ) {
2606 return( AFPERR_PARAM );
2609 memcpy(&did, ibuf, sizeof(did));
2610 ibuf += sizeof(did);
2612 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2616 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2617 return get_afp_errno(AFPERR_PARAM);
2620 if ( *path->m_name != '\0' ) {
2621 return path_error(path, AFPERR_NOOBJ);
2624 if ( !path->st_valid && of_stat(vol, path) < 0 ) {
2625 return( AFPERR_NOOBJ );
2627 if ( path->st_errno ) {
2628 return( AFPERR_NOOBJ );
2631 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2632 *rbuflen = sizeof(curdir->d_did);