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 AFP_CNID_START("cnid_add");
501 cnid = cnid_add(vol->v_cdb, /* 6. */
504 cfrombstr(l->entry[i]),
505 blength(l->entry[i]),
508 if (cnid == CNID_INVALID)
511 if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
523 LOG(log_debug, logtype_afpd, "dirlookup_bypath: result: \"%s\"",
524 cfrombstr(dir->d_fullpath));
530 * @brief Resolve a DID
532 * Resolve a DID, allocate a struct dir for it
533 * 1. Check for special CNIDs 0 (invalid), 1 and 2.
534 * 2a. Check if the DID is in the cache.
535 * 2b. Check if it's really a dir because we cache files too.
536 * 3. If it's not in the cache resolve it via the database.
537 * 4. Build complete server-side path to the dir.
538 * 5. Check if it exists and is a directory.
539 * 6. Create the struct dir and populate it.
540 * 7. Add it to the cache.
542 * @param vol (r) pointer to struct vol
543 * @param did (r) DID to resolve
545 * @returns pointer to struct dir
547 struct dir *dirlookup(const struct vol *vol, cnid_t did)
549 static char buffer[12 + MAXPATHLEN + 1];
551 struct dir *ret = NULL, *pdir;
552 bstring fullpath = NULL;
553 char *upath = NULL, *mpath;
556 int buflen = 12 + MAXPATHLEN + 1;
560 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): START", ntohl(did));
562 /* check for did 0, 1 and 2 */
563 if (did == 0 || vol == NULL) { /* 1 */
564 afp_errno = AFPERR_PARAM;
567 } else if (did == DIRDID_ROOT_PARENT) {
568 rootParent.d_vid = vol->v_vid;
571 } else if (did == DIRDID_ROOT) {
576 /* Search the cache */
577 if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
578 if (ret->d_flags & DIRF_ISFILE) { /* 2b */
579 afp_errno = AFPERR_BADTYPE;
583 if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
584 LOG(log_debug, logtype_afpd, "dirlookup(did: %u, path: \"%s\"): lstat: %s",
585 ntohl(did), cfrombstr(ret->d_fullpath), strerror(errno));
589 /* It's not there anymore, so remove it */
590 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): calling dir_remove", ntohl(did));
591 dir_remove(vol, ret);
592 afp_errno = AFPERR_NOOBJ;
607 utf8 = utf8_encoding(vol->v_obj);
608 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
610 /* Get it from the database */
612 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): querying CNID database", ntohl(did));
614 AFP_CNID_START("cnid_resolve");
615 upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen);
618 afp_errno = AFPERR_NOOBJ;
622 if ((upath = strdup(upath)) == NULL) { /* 3 */
623 afp_errno = AFPERR_NOOBJ;
630 * Recurse up the tree, terminates in dirlookup when either
631 * - DIRDID_ROOT is hit
632 * - a cached entry is found
634 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): recursion for did: %u",
635 ntohl(did), ntohl(pdid));
636 if ((pdir = dirlookup(vol, pdid)) == NULL) {
641 /* build the fullpath */
642 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
643 || bconchar(fullpath, '/') != BSTR_OK
644 || bcatcstr(fullpath, upath) != BSTR_OK) {
649 /* stat it and check if it's a dir */
650 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): stating \"%s\"",
651 ntohl(did), cfrombstr(fullpath));
653 if (ostat(cfrombstr(fullpath), &st, vol_syml_opt(vol)) != 0) { /* 5a */
656 afp_errno = AFPERR_NOOBJ;
660 afp_errno = AFPERR_ACCESS;
664 afp_errno = AFPERR_MISC;
669 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
670 afp_errno = AFPERR_BADTYPE;
676 /* Get macname from unix name */
677 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
678 afp_errno = AFPERR_NOOBJ;
683 /* Create struct dir */
684 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, &st)) == NULL) { /* 6 */
685 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
690 /* Add it to the cache only if it's a dir */
691 if (dircache_add(vol, ret) != 0) { /* 7 */
697 if (upath) free(upath);
699 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
700 ntohl(did), AfpErr2name(afp_errno));
709 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): RESULT: pdid: %u, path: \"%s\"",
710 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
715 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
718 * @brief Construct struct dir
720 * Construct struct dir from parameters.
722 * @param m_name (r) directory name in UTF8-dec
723 * @param u_name (r) directory name in server side encoding
724 * @param vol (r) pointer to struct vol
725 * @param pdid (r) Parent CNID
726 * @param did (r) CNID
727 * @param path (r) Full unix path to object
728 * @param st (r) struct stat of object
730 * @returns pointer to new struct dir or NULL on error
732 * @note Most of the time mac name and unix name are the same.
734 struct dir *dir_new(const char *m_name,
736 const struct vol *vol,
744 dir = (struct dir *) calloc(1, sizeof( struct dir ));
748 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
753 if (convert_string_allocate( (utf8_encoding(vol->v_obj)) ? CH_UTF8_MAC : vol->v_maccharset,
756 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
757 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
758 dir->d_m_name_ucs2 = NULL;
761 if (m_name == u_name || !strcmp(m_name, u_name)) {
762 dir->d_u_name = dir->d_m_name;
764 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
765 bdestroy(dir->d_m_name);
772 dir->d_vid = vol->v_vid;
773 dir->d_fullpath = path;
774 dir->dcache_ctime = st->st_ctime;
775 dir->dcache_ino = st->st_ino;
776 if (!S_ISDIR(st->st_mode))
777 dir->d_flags = DIRF_ISFILE;
778 dir->d_rights_cache = 0xffffffff;
783 * @brief Free a struct dir and all its members
785 * @param (rw) pointer to struct dir
787 void dir_free(struct dir *dir)
789 if (dir->d_u_name != dir->d_m_name) {
790 bdestroy(dir->d_u_name);
792 if (dir->d_m_name_ucs2)
793 free(dir->d_m_name_ucs2);
794 bdestroy(dir->d_m_name);
795 bdestroy(dir->d_fullpath);
800 * @brief Create struct dir from struct path
802 * Create a new struct dir from struct path. Then add it to the cache.
804 * 1. Open adouble file, get CNID from it.
805 * 2. Search the database, hinting with the CNID from (1).
806 * 3. Build fullpath and create struct dir.
807 * 4. Add it to the cache.
809 * @param vol (r) pointer to struct vol, possibly modified in callee
810 * @param dir (r) pointer to parrent directory
811 * @param path (rw) pointer to struct path with valid path->u_name
812 * @param len (r) strlen of path->u_name
814 * @returns Pointer to new struct dir or NULL on error.
816 * @note Function also assigns path->m_name from path->u_name.
818 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
821 struct dir *cdir = NULL;
824 struct adouble *adp = NULL;
825 bstring fullpath = NULL;
832 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
833 /* there's a stray entry in the dircache */
834 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
835 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
836 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
837 if (dir_remove(vol, cdir) != 0) {
839 AFP_PANIC("dir_add");
843 /* get_id needs adp for reading CNID from adouble file */
845 if ((ad_open(&ad, path->u_name, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_RDONLY)) == 0) /* 1 */
849 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
855 ad_close(adp, ADFLAGS_HF);
857 /* Get macname from unixname */
858 if (path->m_name == NULL) {
859 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding(vol->v_obj))) == NULL) {
860 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
867 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
868 || (bconchar(fullpath, '/') != BSTR_OK)
869 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
870 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
875 /* Allocate and initialize struct dir */
876 if ((cdir = dir_new(path->m_name,
882 &path->st)) == NULL) { /* 3 */
887 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
888 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
894 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
895 cfrombstr(dir->d_u_name), path->u_name, err);
898 ad_close(adp, ADFLAGS_HF);
899 if (!cdir && fullpath)
906 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
907 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
908 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
915 * Free the queue with invalid struct dirs
917 * This gets called at the end of every AFP func.
919 void dir_free_invalid_q(void)
922 while ((dir = (struct dir *)dequeue(invalid_dircache_entries)))
927 * @brief Remove a dir from a cache and queue it for freeing
929 * 1. Check if the dir is locked or has opened forks
930 * 2. Remove it from the cache
931 * 3. Queue it for removal
932 * 4. If it's a request to remove curdir, mark curdir as invalid
933 * 5. Mark it as invalid
935 * @param (r) pointer to struct vol
936 * @param (rw) pointer to struct dir
938 int dir_remove(const struct vol *vol, struct dir *dir)
943 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
946 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
947 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
949 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
950 enqueue(invalid_dircache_entries, dir); /* 3 */
952 if (curdir == dir) /* 4 */
955 dir->d_did = CNID_INVALID; /* 5 */
962 * @brief Modify a struct dir, adjust cache
964 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
965 * If given new_uname == new_mname, new_uname will point to new_mname.
967 * @param vol (r) pointer to struct vol
968 * @param dir (rw) pointer to struct dir
969 * @param pdid (r) new parent DID
970 * @param did (r) new DID
971 * @param new_mname (r) new mac-name
972 * @param new_uname (r) new unix-name
973 * @param pdir_fullpath (r) new fullpath of parent dir
975 int dir_modify(const struct vol *vol,
979 const char *new_mname,
980 const char *new_uname,
981 bstring pdir_fullpath)
985 /* Remove it from the cache */
986 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
994 /* free uname if it's not the same as mname */
995 if (dir->d_m_name != dir->d_u_name)
996 bdestroy(dir->d_u_name);
998 if (new_uname == NULL)
999 new_uname = new_mname;
1001 /* assign new name */
1002 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
1003 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1007 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1008 dir->d_u_name = dir->d_m_name;
1010 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1011 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1017 if (pdir_fullpath) {
1018 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1020 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1022 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1026 if (dir->d_m_name_ucs2)
1027 free(dir->d_m_name_ucs2);
1028 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))
1029 dir->d_m_name_ucs2 = NULL;
1031 /* Re-add it to the cache */
1032 if ((dircache_add(vol, dir)) != 0) {
1034 AFP_PANIC("dir_modify");
1042 * @brief Resolve a catalog node name path
1044 * 1. Evaluate path type
1045 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1046 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1047 * is dir parent then. All this is done in path_from_dir().
1048 * 3. Parse next cnode name in path, cases:
1049 * 4. single "\0" -> do nothing
1050 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1051 * 6. cnode name -> copy it to path.m_name
1052 * 7. Get unix name from mac name
1053 * 8. Special handling of request with did 1
1054 * 9. stat the cnode name
1055 * 10. If it's not there, it's probably an afp_createfile|dir,
1056 * return with curdir = dir parent, struct path = dirname
1057 * 11. If it's there and it's a file, it must should be the last element of the requested
1058 * path. Return with curdir = cnode name parent dir, struct path = filename
1059 * 12. Treat symlinks like files, dont follow them
1060 * 13. If it's a dir:
1061 * 14. Search the dircache for it
1062 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1063 * 16. chdir into the dir and
1064 * 17. set m_name to the mac equivalent of "."
1067 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1069 static char path[ MAXPATHLEN + 1];
1070 static struct path ret;
1080 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1083 afp_errno = AFPERR_NOOBJ;
1084 memset(&ret, 0, sizeof(ret));
1086 switch (ret.m_type = *data) { /* 1 */
1089 len = (unsigned char) *data++;
1091 if (vol->v_obj->afp_version >= 30) {
1097 if (vol->v_obj->afp_version >= 30) {
1099 memcpy(&hint, data, sizeof(hint));
1101 data += sizeof(hint);
1103 memcpy(&len16, data, sizeof(len16));
1109 /* else it's an error */
1111 afp_errno = AFPERR_PARAM;
1114 *cpath += len + size;
1119 if (movecwd(vol, dir) < 0 ) {
1120 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1121 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1123 return path_from_dir(vol, dir, &ret);
1128 while (len) { /* 3 */
1129 if (*data == 0) { /* 4 or 5 */
1132 while (len > 0 && *data == 0) { /* 5 */
1133 /* chdir to parrent dir */
1134 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1136 if (movecwd( vol, dir ) < 0 ) {
1137 dir_remove(vol, dir);
1147 for ( p = path; *data != 0 && len > 0; len-- ) {
1149 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1150 afp_errno = AFPERR_PARAM;
1154 *p = 0; /* Terminate string */
1157 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1158 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1162 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1164 /* Prevent access to our special folders like .AppleDouble */
1165 if (check_name(vol, ret.u_name)) {
1166 /* the name is illegal */
1167 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1168 afp_errno = AFPERR_PARAM;
1172 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1174 * Special case: CNID 1
1175 * root parent (did 1) has one child: the volume. Requests for did=1 with
1176 * some <name> must check against the volume name.
1178 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1184 * CNID != 1, eg. most of the times we take this way.
1185 * Now check if current path-part is a file or dir:
1186 * o if it's dir we have to step into it
1187 * o if it's a file we expect it to be the last part of the requested path
1188 * and thus call continue which should terminate the while loop because
1191 if (of_stat(vol, &ret) != 0) { /* 9 */
1193 * ret.u_name doesn't exist, might be afp_createfile|dir
1194 * that means it should have been the last part
1197 /* it wasn't the last part, so we have a bogus path request */
1198 afp_errno = AFPERR_NOOBJ;
1202 * this will terminate clean in while (1) because len == 0,
1203 * probably afp_createfile|dir
1205 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1206 cfrombstr(dir->d_fullpath), ret.u_name);
1210 switch (ret.st.st_mode & S_IFMT) {
1211 case S_IFREG: /* 11 */
1212 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1213 cfrombstr(dir->d_fullpath), ret.u_name);
1215 /* it wasn't the last part, so we have a bogus path request */
1216 afp_errno = AFPERR_PARAM;
1219 continue; /* continues while loop */
1220 case S_IFLNK: /* 12 */
1221 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1222 cfrombstr(dir->d_fullpath), ret.u_name);
1224 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1225 cfrombstr(dir->d_fullpath), ret.u_name);
1226 afp_errno = AFPERR_PARAM;
1229 continue; /* continues while loop */
1230 case S_IFDIR: /* 13 */
1233 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1234 afp_errno = AFPERR_NODIR;
1238 /* Search the cache */
1239 int unamelen = strlen(ret.u_name);
1240 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
1242 /* Not in cache, create one */
1243 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1244 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1245 ntohl(dir->d_did), ret.u_name, getcwdpath());
1249 } /* if/else cnid==1 */
1251 /* Now chdir to the evaluated dir */
1252 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1253 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1254 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1256 return path_from_dir(vol, cdir, &ret);
1261 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1264 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1265 afp_errno = AFPERR_DID1;
1269 if (ret.m_name[0] == 0) {
1270 /* Last part was a dir */
1271 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1275 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1276 cfrombstr(dir->d_fullpath),
1277 cfrombstr(curdir->d_fullpath),
1284 * @brief chdir() to dir
1286 * @param vol (r) pointer to struct vol
1287 * @param dir (r) pointer to struct dir
1289 * @returns 0 on success, -1 on error with afp_errno set appropiately
1291 int movecwd(const struct vol *vol, struct dir *dir)
1298 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1299 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1301 if (dir->d_did == DIRDID_ROOT_PARENT) {
1302 curdir = &rootParent;
1306 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1307 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1309 if ((ret = ochdir(cfrombstr(dir->d_fullpath), vol_syml_opt(vol))) != 0 ) {
1310 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): %s",
1311 cfrombstr(dir->d_fullpath), strerror(errno));
1313 /* p is a symlink or getcwd failed */
1314 afp_errno = AFPERR_BADTYPE;
1316 if (chdir(vol->v_path ) < 0) {
1317 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1318 /* XXX what do we do here? */
1320 curdir = vol->v_root;
1327 afp_errno = AFPERR_ACCESS;
1330 afp_errno = AFPERR_NOOBJ;
1340 * We can't use unix file's perm to support Apple's inherited protection modes.
1341 * If we aren't the file's owner we can't change its perms when moving it and smb
1342 * nfs,... don't even try.
1344 int check_access(const AFPObj *obj, struct vol *vol, char *path, int mode)
1353 accessmode(obj, vol, p, &ma, curdir, NULL);
1354 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1356 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1362 /* --------------------- */
1363 int file_access(const AFPObj *obj, struct vol *vol, struct path *path, int mode)
1367 accessmode(obj, vol, path->u_name, &ma, curdir, &path->st);
1369 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1370 path->u_name, ma.ma_user);
1372 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1373 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1376 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1377 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1384 /* --------------------- */
1385 void setdiroffcnt(struct dir *dir, struct stat *st, uint32_t count)
1387 dir->d_offcnt = count;
1388 dir->d_ctime = st->st_ctime;
1389 dir->d_flags &= ~DIRF_CNID;
1393 /* ---------------------
1394 * is our cached also for reenumerate id?
1396 int dirreenumerate(struct dir *dir, struct stat *st)
1398 return st->st_ctime == dir->d_ctime && (dir->d_flags & DIRF_CNID);
1401 /* ------------------------------
1403 (name, dir) with curdir:name == dir, from afp_enumerate
1406 int getdirparams(const AFPObj *obj,
1407 const struct vol *vol,
1408 uint16_t bitmap, struct path *s_path,
1410 char *buf, size_t *buflen )
1414 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1415 int bit = 0, isad = 0;
1421 struct stat *st = &s_path->st;
1422 char *upath = s_path->u_name;
1424 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1425 (1 << DIRPBIT_CDATE) |
1426 (1 << DIRPBIT_MDATE) |
1427 (1 << DIRPBIT_BDATE) |
1428 (1 << DIRPBIT_FINFO)))) {
1431 if ( !ad_metadata( upath, ADFLAGS_DIR, &ad) ) {
1433 if (ad.ad_mdp->adf_flags & O_CREAT) {
1434 /* We just created it */
1435 if (s_path->m_name == NULL) {
1436 if ((s_path->m_name = utompath(vol,
1439 utf8_encoding(obj))) == NULL) {
1440 LOG(log_error, logtype_afpd,
1441 "getdirparams(\"%s\"): can't assign macname",
1442 cfrombstr(dir->d_fullpath));
1446 ad_setname(&ad, s_path->m_name);
1461 while ( bitmap != 0 ) {
1462 while (( bitmap & 1 ) == 0 ) {
1470 ad_getattr(&ad, &ashort);
1471 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1472 ashort = htons(ATTRBIT_INVISIBLE);
1475 memcpy( data, &ashort, sizeof( ashort ));
1476 data += sizeof( ashort );
1480 memcpy( data, &pdid, sizeof( pdid ));
1481 data += sizeof( pdid );
1482 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1483 s_path->u_name, ntohl(pdid));
1486 case DIRPBIT_CDATE :
1487 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1488 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1489 memcpy( data, &aint, sizeof( aint ));
1490 data += sizeof( aint );
1493 case DIRPBIT_MDATE :
1494 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1495 memcpy( data, &aint, sizeof( aint ));
1496 data += sizeof( aint );
1499 case DIRPBIT_BDATE :
1500 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1501 aint = AD_DATE_START;
1502 memcpy( data, &aint, sizeof( aint ));
1503 data += sizeof( aint );
1506 case DIRPBIT_FINFO :
1508 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1509 } else { /* no appledouble */
1510 memset( data, 0, 32 );
1511 /* set default view -- this also gets done in ad_open() */
1512 ashort = htons(FINDERINFO_CLOSEDVIEW);
1513 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1515 /* dot files are by default visible */
1516 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1517 ashort = htons(FINDERINFO_INVISIBLE);
1518 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1524 case DIRPBIT_LNAME :
1525 if (dir->d_m_name) /* root of parent can have a null name */
1528 memset(data, 0, sizeof(uint16_t));
1529 data += sizeof( uint16_t );
1532 case DIRPBIT_SNAME :
1533 memset(data, 0, sizeof(uint16_t));
1534 data += sizeof( uint16_t );
1538 memcpy( data, &dir->d_did, sizeof( aint ));
1539 data += sizeof( aint );
1540 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1541 s_path->u_name, ntohl(dir->d_did));
1544 case DIRPBIT_OFFCNT :
1546 /* this needs to handle current directory access rights */
1547 if (diroffcnt(dir, st)) {
1548 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1550 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1551 setdiroffcnt(dir, st, ret);
1552 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1554 ashort = htons( ashort );
1555 memcpy( data, &ashort, sizeof( ashort ));
1556 data += sizeof( ashort );
1560 aint = htonl(st->st_uid);
1561 memcpy( data, &aint, sizeof( aint ));
1562 data += sizeof( aint );
1566 aint = htonl(st->st_gid);
1567 memcpy( data, &aint, sizeof( aint ));
1568 data += sizeof( aint );
1571 case DIRPBIT_ACCESS :
1572 accessmode(obj, vol, upath, &ma, dir , st);
1574 *data++ = ma.ma_user;
1575 *data++ = ma.ma_world;
1576 *data++ = ma.ma_group;
1577 *data++ = ma.ma_owner;
1580 /* Client has requested the ProDOS information block.
1581 Just pass back the same basic block for all
1582 directories. <shirsch@ibm.net> */
1583 case DIRPBIT_PDINFO :
1584 if (obj->afp_version >= 30) { /* UTF8 name */
1585 utf8 = kTextEncodingUTF8;
1586 if (dir->d_m_name) /* root of parent can have a null name */
1589 memset(data, 0, sizeof(uint16_t));
1590 data += sizeof( uint16_t );
1592 memcpy(data, &aint, sizeof( aint ));
1593 data += sizeof( aint );
1595 else { /* ProDOS Info Block */
1598 ashort = htons( 0x0200 );
1599 memcpy( data, &ashort, sizeof( ashort ));
1600 data += sizeof( ashort );
1601 memset( data, 0, sizeof( ashort ));
1602 data += sizeof( ashort );
1606 case DIRPBIT_UNIXPR :
1607 /* accessmode may change st_mode with ACLs */
1608 accessmode(obj, vol, upath, &ma, dir, st);
1610 aint = htonl(st->st_uid);
1611 memcpy( data, &aint, sizeof( aint ));
1612 data += sizeof( aint );
1613 aint = htonl(st->st_gid);
1614 memcpy( data, &aint, sizeof( aint ));
1615 data += sizeof( aint );
1618 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1619 memcpy( data, &aint, sizeof( aint ));
1620 data += sizeof( aint );
1622 *data++ = ma.ma_user;
1623 *data++ = ma.ma_world;
1624 *data++ = ma.ma_group;
1625 *data++ = ma.ma_owner;
1630 ad_close(&ad, ADFLAGS_HF);
1632 return( AFPERR_BITMAP );
1638 ashort = htons( data - buf );
1639 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1640 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1642 if ( utf_nameoff ) {
1643 ashort = htons( data - buf );
1644 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1645 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1648 ad_close(&ad, ADFLAGS_HF);
1650 *buflen = data - buf;
1654 /* ----------------------------- */
1655 int path_error(struct path *path, int error)
1657 /* - a dir with access error
1658 * - no error it's a file
1661 if (path_isadir(path))
1663 if (path->st_valid && path->st_errno)
1665 return AFPERR_BADTYPE ;
1668 /* ----------------------------- */
1669 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1674 uint16_t vid, bitmap;
1680 memcpy( &vid, ibuf, sizeof( vid ));
1681 ibuf += sizeof( vid );
1683 if (NULL == ( vol = getvolbyvid( vid )) ) {
1684 return( AFPERR_PARAM );
1687 if (vol->v_flags & AFPVOL_RO)
1688 return AFPERR_VLOCK;
1690 memcpy( &did, ibuf, sizeof( did ));
1691 ibuf += sizeof( int );
1693 if (NULL == ( dir = dirlookup( vol, did )) ) {
1697 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1698 bitmap = ntohs( bitmap );
1699 ibuf += sizeof( bitmap );
1701 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1702 return get_afp_errno(AFPERR_NOOBJ);
1705 if ( *path->m_name != '\0' ) {
1706 rc = path_error(path, AFPERR_NOOBJ);
1707 /* maybe we are trying to set perms back */
1708 if (rc != AFPERR_ACCESS)
1713 * If ibuf is odd, make it even.
1715 if ((u_long)ibuf & 1 ) {
1719 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1720 setvoltime(obj, vol );
1726 * assume path == '\0' eg. it's a directory in canonical form
1728 int setdirparams(struct vol *vol, struct path *path, uint16_t d_bitmap, char *buf )
1740 uint16_t ashort, bshort, oshort;
1742 int change_mdate = 0;
1743 int change_parent_mdate = 0;
1745 uint16_t bitmap = d_bitmap;
1746 u_char finder_buf[32];
1749 bool set_upriv = false, set_maccess = false;
1751 LOG(log_debug, logtype_afpd, "setdirparams(\"%s\", bitmap: %02x)", path->u_name, bitmap);
1754 upath = path->u_name;
1756 while ( bitmap != 0 ) {
1757 while (( bitmap & 1 ) == 0 ) {
1765 memcpy( &ashort, buf, sizeof( ashort ));
1766 buf += sizeof( ashort );
1768 case DIRPBIT_CDATE :
1770 memcpy(&cdate, buf, sizeof(cdate));
1771 buf += sizeof( cdate );
1773 case DIRPBIT_MDATE :
1774 memcpy(&newdate, buf, sizeof(newdate));
1775 buf += sizeof( newdate );
1777 case DIRPBIT_BDATE :
1779 memcpy(&bdate, buf, sizeof(bdate));
1780 buf += sizeof( bdate );
1782 case DIRPBIT_FINFO :
1784 memcpy( finder_buf, buf, 32 );
1787 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1788 memcpy( &owner, buf, sizeof(owner));
1789 buf += sizeof( owner );
1792 memcpy( &group, buf, sizeof( group ));
1793 buf += sizeof( group );
1795 case DIRPBIT_ACCESS :
1798 ma.ma_user = *buf++;
1799 ma.ma_world = *buf++;
1800 ma.ma_group = *buf++;
1801 ma.ma_owner = *buf++;
1802 mpriv = mtoumode( &ma ) | vol->v_dperm;
1804 /* Ignore what the client thinks we should do to the
1805 ProDOS information block. Skip over the data and
1806 report nothing amiss. <shirsch@ibm.net> */
1807 case DIRPBIT_PDINFO :
1808 if (vol->v_obj->afp_version < 30) {
1812 err = AFPERR_BITMAP;
1816 case DIRPBIT_UNIXPR :
1817 if (vol_unix_priv(vol)) {
1819 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1820 buf += sizeof( owner );
1821 memcpy( &group, buf, sizeof( group ));
1822 buf += sizeof( group );
1825 memcpy( &upriv, buf, sizeof( upriv ));
1826 buf += sizeof( upriv );
1827 upriv = ntohl (upriv) | vol->v_dperm;
1832 err = AFPERR_BITMAP;
1841 if (d_bitmap & ((1<<DIRPBIT_ATTR) | (1<<DIRPBIT_CDATE) | (1<<DIRPBIT_BDATE) | (1<<DIRPBIT_FINFO))) {
1843 if (ad_open(&ad, upath, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) != 0) {
1844 LOG(log_debug, logtype_afpd, "setdirparams(\"%s\", bitmap: %02x): need adouble", path->u_name, d_bitmap);
1845 return AFPERR_ACCESS;
1847 if ((ad_get_MD_flags(&ad) & O_CREAT)) {
1848 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1855 while ( bitmap != 0 ) {
1856 while (( bitmap & 1 ) == 0 ) {
1864 ad_getattr(&ad, &bshort);
1866 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1867 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1871 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1872 change_parent_mdate = 1;
1873 ad_setattr(&ad, bshort);
1876 case DIRPBIT_CDATE :
1878 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1881 case DIRPBIT_MDATE :
1883 case DIRPBIT_BDATE :
1885 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1888 case DIRPBIT_FINFO :
1890 /* Fixes #2802236 */
1892 memcpy(&fflags, finder_buf + FINDERINFO_FRFLAGOFF, sizeof(uint16_t));
1893 fflags &= htons(~FINDERINFO_ISHARED);
1894 memcpy(finder_buf + FINDERINFO_FRFLAGOFF, &fflags, sizeof(uint16_t));
1897 if ( dir->d_did == DIRDID_ROOT ) {
1899 * Alright, we admit it, this is *really* sick!
1900 * The 4 bytes that we don't copy, when we're dealing
1901 * with the root of a volume, are the directory's
1902 * location information. This eliminates that annoying
1903 * behavior one sees when mounting above another mount
1906 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1907 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1909 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
1913 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1914 if ( (dir->d_did == DIRDID_ROOT) &&
1915 (setdeskowner(vol, ntohl(owner), -1 ) < 0)) {
1916 err = set_dir_errors(path, "setdeskowner", errno);
1917 if (isad && err == AFPERR_PARAM) {
1918 err = AFP_OK; /* ???*/
1921 goto setdirparam_done;
1924 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
1925 err = set_dir_errors(path, "setdirowner", errno);
1926 goto setdirparam_done;
1930 if (dir->d_did == DIRDID_ROOT)
1931 setdeskowner(vol, -1, ntohl(group) );
1932 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
1933 err = set_dir_errors(path, "setdirowner", errno);
1934 goto setdirparam_done;
1937 case DIRPBIT_ACCESS :
1939 case DIRPBIT_PDINFO :
1940 if (vol->v_obj->afp_version >= 30) {
1941 err = AFPERR_BITMAP;
1942 goto setdirparam_done;
1945 case DIRPBIT_UNIXPR :
1946 if (!vol_unix_priv(vol)) {
1947 err = AFPERR_BITMAP;
1948 goto setdirparam_done;
1952 err = AFPERR_BITMAP;
1953 goto setdirparam_done;
1962 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
1963 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
1967 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
1968 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
1973 if (path->st_valid && !path->st_errno) {
1974 struct stat *st = &path->st;
1975 if (dir && dir->d_pdid) {
1976 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
1979 if (ad_flush(&ad) != 0) {
1982 err = AFPERR_ACCESS;
1989 ad_close(&ad, ADFLAGS_HF);
1992 if (err == AFP_OK) {
1993 if (set_maccess == true) {
1994 if (dir->d_did == DIRDID_ROOT) {
1995 setdeskmode(vol, mpriv);
1996 if (!dir_rx_set(mpriv)) {
1997 /* we can't remove read and search for owner on volume root */
1998 err = AFPERR_ACCESS;
2002 if (setdirunixmode(vol, upath, mpriv) < 0) {
2003 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirunixmode: %s",
2004 fullpathname(upath), strerror(errno));
2005 err = set_dir_errors(path, "setdirmode", errno);
2008 if ((set_upriv == true) && vol_unix_priv(vol)) {
2009 if (dir->d_did == DIRDID_ROOT) {
2010 if (!dir_rx_set(upriv)) {
2011 /* we can't remove read and search for owner on volume root */
2012 err = AFPERR_ACCESS;
2015 setdeskowner(vol, -1, ntohl(group));
2016 setdeskmode(vol, upriv);
2019 if (setdirowner(vol, upath, -1, ntohl(group)) < 0) {
2020 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirowner: %s",
2021 fullpathname(upath), strerror(errno));
2022 err = set_dir_errors(path, "setdirowner", errno);
2026 if (setdirunixmode(vol, upath, upriv) < 0) {
2027 LOG(log_info, logtype_afpd, "setdirparams(\"%s\"): setdirunixmode: %s",
2028 fullpathname(upath), strerror(errno));
2029 err = set_dir_errors(path, "setdirunixmode", errno);
2035 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2036 && gettimeofday(&tv, NULL) == 0) {
2037 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2038 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2039 /* be careful with bitmap because now dir is null */
2040 bitmap = 1<<DIRPBIT_MDATE;
2041 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2042 /* should we reset curdir ?*/
2048 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2062 memcpy( &vid, ibuf, sizeof( vid ));
2063 ibuf += sizeof( vid );
2064 if (NULL == (vol = getvolbyvid( vid )) ) {
2065 return( AFPERR_PARAM );
2068 memcpy( &did, ibuf, sizeof( did ));
2069 ibuf += sizeof( did );
2073 * if it's CNID 2 our only choice to meet the specs is call sync.
2074 * For any other CNID just sync that dir. To my knowledge the
2075 * intended use of FPSyncDir is to sync the volume so all we're
2076 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2079 if ( ntohl(did) == 2 ) {
2082 if (NULL == ( dir = dirlookup( vol, did )) ) {
2083 return afp_errno; /* was AFPERR_NOOBJ */
2086 if (movecwd( vol, dir ) < 0 )
2087 return ( AFPERR_NOOBJ );
2090 * Assuming only OSens that have dirfd also may require fsyncing directories
2091 * in order to flush metadata e.g. Linux.
2095 if (NULL == ( dp = opendir( "." )) ) {
2098 return( AFPERR_NOOBJ );
2100 return( AFPERR_ACCESS );
2102 return( AFPERR_PARAM );
2106 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2109 if ( fsync ( dfd ) < 0 )
2110 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2111 dir->d_u_name, strerror(errno) );
2112 closedir(dp); /* closes dfd too */
2115 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2118 return( AFPERR_NOOBJ );
2120 return( AFPERR_ACCESS );
2122 return( AFPERR_PARAM );
2126 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2127 vol->ad_path(".", ADFLAGS_DIR) );
2129 if ( fsync(dfd) < 0 )
2130 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2131 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2138 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2144 struct path *s_path;
2152 memcpy( &vid, ibuf, sizeof( vid ));
2153 ibuf += sizeof( vid );
2154 if (NULL == ( vol = getvolbyvid( vid )) ) {
2155 return( AFPERR_PARAM );
2158 if (vol->v_flags & AFPVOL_RO)
2159 return AFPERR_VLOCK;
2161 memcpy( &did, ibuf, sizeof( did ));
2162 ibuf += sizeof( did );
2163 if (NULL == ( dir = dirlookup( vol, did )) ) {
2164 return afp_errno; /* was AFPERR_NOOBJ */
2166 /* for concurrent access we need to be sure we are not in the
2167 * folder we want to create...
2171 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2172 return get_afp_errno(AFPERR_PARAM);
2174 /* cname was able to move curdir to it! */
2175 if (*s_path->m_name == '\0')
2176 return AFPERR_EXIST;
2178 upath = s_path->u_name;
2180 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2184 if (of_stat(vol, s_path) < 0) {
2190 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2194 if ( movecwd( vol, dir ) < 0 ) {
2195 return( AFPERR_PARAM );
2199 if (ad_open(&ad, ".", ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) < 0) {
2200 return( AFPERR_ACCESS );
2202 ad_setname(&ad, s_path->m_name);
2203 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2205 fce_register(FCE_DIR_CREATE, bdata(curdir->d_fullpath), NULL, fce_dir);
2208 ad_close(&ad, ADFLAGS_HF);
2210 memcpy( rbuf, &dir->d_did, sizeof( uint32_t ));
2211 *rbuflen = sizeof( uint32_t );
2212 setvoltime(obj, vol );
2217 * dst new unix filename (not a pathname)
2218 * newname new mac name
2220 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2222 int renamedir(struct vol *vol,
2227 struct dir *newparent,
2233 /* existence check moved to afp_moveandrename */
2234 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2237 return( AFPERR_NOOBJ );
2239 return( AFPERR_ACCESS );
2241 return AFPERR_VLOCK;
2243 /* tried to move directory into a subdirectory of itself */
2244 return AFPERR_CANTMOVE;
2246 /* this needs to copy and delete. bleah. that means we have
2247 * to deal with entire directory hierarchies. */
2248 if ((err = copydir(vol, newparent, dirfd, src, dst)) < 0) {
2249 deletedir(vol, -1, dst);
2252 if ((err = deletedir(vol, dirfd, src)) < 0)
2256 return( AFPERR_PARAM );
2260 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2264 if (ad_open(&ad, dst, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_RDWR) == 0) {
2265 ad_setname(&ad, newname);
2267 ad_close(&ad, ADFLAGS_HF);
2273 /* delete an empty directory */
2274 int deletecurdir(struct vol *vol)
2278 struct dir *fdir, *pdir;
2284 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2285 return( AFPERR_ACCESS );
2291 /* we never want to create a resource fork here, we are going to delete it */
2292 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2294 ad_getattr(&ad, &ashort);
2295 ad_close(&ad, ADFLAGS_HF);
2296 if ((ashort & htons(ATTRBIT_NODELETE))) {
2297 return AFPERR_OLOCK;
2300 err = vol->vfs->vfs_deletecurdir(vol);
2302 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2303 cfrombstr(curdir->d_fullpath));
2307 /* now get rid of dangling symlinks */
2308 if ((dp = opendir("."))) {
2309 while ((de = readdir(dp))) {
2310 /* skip this and previous directory */
2311 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2314 /* bail if it's not a symlink */
2315 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2316 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2317 bdata(curdir->d_fullpath));
2319 return AFPERR_DIRNEMPT;
2322 if ((err = netatalk_unlink(de->d_name))) {
2329 if (movecwd(vol, pdir) < 0) {
2334 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2335 cfrombstr(curdir->d_fullpath));
2337 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2338 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2339 AFP_CNID_START("cnid_delete");
2340 cnid_delete(vol->v_cdb, fdir->d_did);
2342 dir_remove( vol, fdir );
2344 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2345 cfrombstr(curdir->d_fullpath));
2350 /* inode is used as key for cnid.
2351 * Close the descriptor only after cnid_delete
2359 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2369 sfunc = (unsigned char) *ibuf++;
2372 if (sfunc >= 3 && sfunc <= 6) {
2373 if (obj->afp_version < 30) {
2374 return( AFPERR_PARAM );
2381 case 3 :/* unicode */
2382 memcpy( &id, ibuf, sizeof( id ));
2385 if (( pw = getpwuid( id )) == NULL ) {
2386 return( AFPERR_NOITEM );
2388 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2389 pw->pw_name, -1, &name);
2396 case 4 : /* unicode */
2397 memcpy( &id, ibuf, sizeof( id ));
2400 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2401 return( AFPERR_NOITEM );
2403 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2404 gr->gr_name, -1, &name);
2411 case 5 : /* UUID -> username */
2412 case 6 : /* UUID -> groupname */
2413 if ((obj->afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2414 return AFPERR_PARAM;
2415 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2417 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2418 if (len != 0) /* its a error code, not len */
2419 return AFPERR_NOITEM;
2422 if (( pw = getpwnam( name )) == NULL )
2423 return( AFPERR_NOITEM );
2424 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2425 id = htonl(UUID_USER);
2426 memcpy( rbuf, &id, sizeof( id ));
2427 id = htonl( pw->pw_uid);
2428 rbuf += sizeof( id );
2429 memcpy( rbuf, &id, sizeof( id ));
2430 rbuf += sizeof( id );
2431 *rbuflen = 2 * sizeof( id );
2434 if (( gr = getgrnam( name )) == NULL )
2435 return( AFPERR_NOITEM );
2436 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2437 id = htonl(UUID_GROUP);
2438 memcpy( rbuf, &id, sizeof( id ));
2439 rbuf += sizeof( id );
2440 id = htonl( gr->gr_gid);
2441 memcpy( rbuf, &id, sizeof( id ));
2442 rbuf += sizeof( id );
2443 *rbuflen = 2 * sizeof( id );
2451 return( AFPERR_PARAM );
2455 len = strlen( name );
2458 uint16_t tp = htons(len);
2459 memcpy(rbuf, &tp, sizeof(tp));
2468 memcpy( rbuf, name, len );
2476 int afp_mapname(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2485 sfunc = (unsigned char) *ibuf++;
2487 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d", sfunc);
2490 case 2 : /* unicode */
2491 if (obj->afp_version < 30) {
2492 return( AFPERR_PARAM );
2494 memcpy(&ulen, ibuf, sizeof(ulen));
2497 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2501 len = (unsigned char) *ibuf++;
2503 case 5 : /* username -> UUID */
2504 case 6 : /* groupname -> UUID */
2505 if ((obj->afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2506 return AFPERR_PARAM;
2507 memcpy(&ulen, ibuf, sizeof(ulen));
2512 return( AFPERR_PARAM );
2518 return AFPERR_PARAM;
2521 case 1 : /* unicode */
2523 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2524 return( AFPERR_NOITEM );
2528 memcpy( rbuf, &id, sizeof( id ));
2529 *rbuflen = sizeof( id );
2532 case 2 : /* unicode */
2534 LOG(log_debug, logtype_afpd, "afp_mapname: getgrnam for name: %s",ibuf);
2535 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2536 return( AFPERR_NOITEM );
2539 LOG(log_debug, logtype_afpd, "afp_mapname: getgrnam for name: %s -> id: %d",ibuf, id);
2541 memcpy( rbuf, &id, sizeof( id ));
2542 *rbuflen = sizeof( id );
2544 case 5 : /* username -> UUID */
2545 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2546 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2547 return AFPERR_NOITEM;
2548 *rbuflen = UUID_BINSIZE;
2550 case 6 : /* groupname -> UUID */
2551 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2552 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2553 return AFPERR_NOITEM;
2554 *rbuflen = UUID_BINSIZE;
2561 /* ------------------------------------
2562 variable DID support
2564 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2575 /* do nothing as dids are static for the life of the process. */
2579 memcpy(&vid, ibuf, sizeof( vid ));
2580 ibuf += sizeof( vid );
2581 if (( vol = getvolbyvid( vid )) == NULL ) {
2582 return( AFPERR_PARAM );
2585 memcpy( &did, ibuf, sizeof( did ));
2586 ibuf += sizeof( did );
2587 if (( dir = dirlookup( vol, did )) == NULL ) {
2588 return( AFPERR_PARAM );
2591 /* dir_remove -- deletedid */
2597 /* did creation gets done automatically
2598 * there's a pb again with case but move it to cname
2600 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2603 struct dir *parentdir;
2611 memcpy(&vid, ibuf, sizeof(vid));
2612 ibuf += sizeof( vid );
2614 if (NULL == ( vol = getvolbyvid( vid )) ) {
2615 return( AFPERR_PARAM );
2618 memcpy(&did, ibuf, sizeof(did));
2619 ibuf += sizeof(did);
2621 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2625 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2626 return get_afp_errno(AFPERR_PARAM);
2629 if ( *path->m_name != '\0' ) {
2630 return path_error(path, AFPERR_NOOBJ);
2633 if ( !path->st_valid && of_stat(vol, path) < 0 ) {
2634 return( AFPERR_NOOBJ );
2636 if ( path->st_errno ) {
2637 return( AFPERR_NOOBJ );
2640 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2641 *rbuflen = sizeof(curdir->d_did);