2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
15 #include <sys/param.h>
21 #include <atalk/adouble.h>
22 #include <atalk/vfs.h>
23 #include <atalk/afp.h>
24 #include <atalk/util.h>
25 #include <atalk/cnid.h>
26 #include <atalk/logger.h>
27 #include <atalk/uuid.h>
28 #include <atalk/unix.h>
29 #include <atalk/bstrlib.h>
30 #include <atalk/bstradd.h>
31 #include <atalk/errchk.h>
33 #include "directory.h"
46 * FIXMEs, loose ends after the dircache rewrite:
47 * o merge dircache_search_by_name and dir_add ??
48 * o case-insensitivity is gone from cname
52 /*******************************************************************************************
54 ******************************************************************************************/
57 /* As long as directory.c hasn't got its own init call, this get initialized in dircache_init */
58 struct dir rootParent = {
59 NULL, NULL, NULL, NULL, /* path, d_m_name, d_u_name, d_m_name_ucs2 */
60 NULL, 0, 0, /* qidx_node, ctime, d_flags */
61 0, 0, 0, 0 /* pdid, did, offcnt, d_vid */
63 struct dir *curdir = &rootParent;
64 struct path Cur_Path = {
69 NULL,/* struct dir * */
70 0, /* stat is not set */
76 * dir_remove queues struct dirs to be freed here. We can't just delete them immeidately
77 * eg in dircache_search_by_id, because a caller somewhere up the stack might be
80 * - we mark it as invalid by setting d_did to CNID_INVALID (ie 0)
81 * - queue it in "invalid_dircache_entries" queue
82 * - which is finally freed at the end of every AFP func in afp_dsi.c.
84 q_t *invalid_dircache_entries;
87 /*******************************************************************************************
89 ******************************************************************************************/
92 /* -------------------------
93 appledouble mkdir afp error code.
95 static int netatalk_mkdir(const struct vol *vol, const char *name)
100 if (vol->v_flags & AFPVOL_UNIX_PRIV) {
101 if (lstat(".", &st) < 0)
103 int mode = (DIRBITS & (~S_ISGID & st.st_mode)) | (0777 & ~vol->v_umask);
104 LOG(log_maxdebug, logtype_afpd, "netatalk_mkdir(\"%s\") {parent mode: %04o, vol umask: %04o}",
105 name, st.st_mode, vol->v_umask);
107 ret = mkdir(name, mode);
109 ret = ad_mkdir(name, DIRBITS | 0777);
115 return( AFPERR_NOOBJ );
117 return( AFPERR_VLOCK );
120 return( AFPERR_ACCESS );
122 return( AFPERR_EXIST );
125 return( AFPERR_DFULL );
127 return( AFPERR_PARAM );
133 /* ------------------- */
134 static int deletedir(int dirfd, char *dir)
136 char path[MAXPATHLEN + 1];
144 if ((len = strlen(dir)) +2 > sizeof(path))
148 if ((dp = opendirat(dirfd, dir)) == NULL)
154 remain = sizeof(path) -len -1;
155 while ((de = readdir(dp)) && err == AFP_OK) {
156 /* skip this and previous directory */
157 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
160 if (strlen(de->d_name) > remain) {
164 strcpy(path + len, de->d_name);
165 if (lstatat(dirfd, path, &st)) {
168 if (S_ISDIR(st.st_mode)) {
169 err = deletedir(dirfd, path);
171 err = netatalk_unlinkat(dirfd, path);
176 /* okay. the directory is empty. delete it. note: we already got rid
179 err = netatalk_rmdir(dirfd, dir);
184 /* do a recursive copy. */
185 static int copydir(const struct vol *vol, int dirfd, char *src, char *dst)
187 char spath[MAXPATHLEN + 1], dpath[MAXPATHLEN + 1];
196 /* doesn't exist or the path is too long. */
197 if (((slen = strlen(src)) > sizeof(spath) - 2) ||
198 ((dlen = strlen(dst)) > sizeof(dpath) - 2) ||
199 ((dp = opendirat(dirfd, src)) == NULL))
202 /* try to create the destination directory */
203 if (AFP_OK != (err = netatalk_mkdir(vol, dst)) ) {
208 /* set things up to copy */
212 srem = sizeof(spath) - slen -1;
217 drem = sizeof(dpath) - dlen -1;
220 while ((de = readdir(dp))) {
221 /* skip this and previous directory */
222 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
225 if (strlen(de->d_name) > srem) {
229 strcpy(spath + slen, de->d_name);
231 if (lstatat(dirfd, spath, &st) == 0) {
232 if (strlen(de->d_name) > drem) {
236 strcpy(dpath + dlen, de->d_name);
238 if (S_ISDIR(st.st_mode)) {
239 if (AFP_OK != (err = copydir(vol, dirfd, spath, dpath)))
241 } else if (AFP_OK != (err = copyfile(vol, vol, dirfd, spath, dpath, NULL, NULL))) {
245 /* keep the same time stamp. */
246 ut.actime = ut.modtime = st.st_mtime;
252 /* keep the same time stamp. */
253 if (lstatat(dirfd, src, &st) == 0) {
254 ut.actime = ut.modtime = st.st_mtime;
263 /* ---------------------
264 * is our cached offspring count valid?
266 static int diroffcnt(struct dir *dir, struct stat *st)
268 return st->st_ctime == dir->d_ctime;
271 /* --------------------- */
272 static int invisible_dots(const struct vol *vol, const char *name)
274 return vol_inv_dots(vol) && *name == '.' && strcmp(name, ".") && strcmp(name, "..");
277 /* ------------------ */
278 static int set_dir_errors(struct path *path, const char *where, int err)
283 return AFPERR_ACCESS;
287 LOG(log_error, logtype_afpd, "setdirparam(%s): %s: %s", fullpathname(path->u_name), where, strerror(err) );
292 * @brief Convert name in client encoding to server encoding
294 * Convert ret->m_name to ret->u_name from client encoding to server encoding.
295 * This only gets called from cname().
297 * @returns 0 on success, -1 on error
299 * @note If the passed ret->m_name is mangled, we'll demangle it
301 static int cname_mtouname(const struct vol *vol, const struct dir *dir, struct path *ret, int toUTF8)
303 static char temp[ MAXPATHLEN + 1];
307 if (afp_version >= 30) {
309 if (dir->d_did == DIRDID_ROOT_PARENT) {
311 * With uft8 volume name is utf8-mac, but requested path may be a mangled longname. See #2611981.
312 * So we compare it with the longname from the current volume and if they match
313 * we overwrite the requested path with the utf8 volume name so that the following
316 ucs2_to_charset(vol->v_maccharset, vol->v_macname, temp, AFPVOL_MACNAMELEN + 1);
317 if (strcasecmp(ret->m_name, temp) == 0)
318 ucs2_to_charset(CH_UTF8_MAC, vol->v_u8mname, ret->m_name, AFPVOL_U8MNAMELEN);
321 if (mtoUTF8(vol, ret->m_name, strlen(ret->m_name), temp, MAXPATHLEN) == (size_t)-1) {
322 afp_errno = AFPERR_PARAM;
325 strcpy(ret->m_name, temp);
329 /* check for OS X mangled filename :( */
330 t = demangle_osx(vol, ret->m_name, dir->d_did, &fileid);
331 LOG(log_maxdebug, logtype_afpd, "cname_mtouname('%s',did:%u) {demangled:'%s', fileid:%u}",
332 ret->m_name, ntohl(dir->d_did), t, ntohl(fileid));
334 if (t != ret->m_name) {
336 /* duplicate work but we can't reuse all convert_char we did in demangle_osx
337 * flags weren't the same
339 if ( (t = utompath(vol, ret->u_name, fileid, utf8_encoding())) ) {
340 /* at last got our view of mac name */
341 strcpy(ret->m_name, t);
344 } /* afp_version >= 30 */
346 /* If we haven't got it by now, get it */
347 if (ret->u_name == NULL) {
348 if ((ret->u_name = mtoupath(vol, ret->m_name, dir->d_did, utf8_encoding())) == NULL) {
349 afp_errno = AFPERR_PARAM;
358 * @brief Build struct path from struct dir
360 * The final movecwd in cname failed, possibly with EPERM or ENOENT. We:
361 * 1. move cwd into parent dir (we're often already there, but not always)
362 * 2. set struct path to the dirname
364 * AFPERR_ACCESS: the dir is there, we just cant chdir into it
365 * AFPERR_NOOBJ: the dir was there when we stated it in cname, so we have a race
366 * 4. indicate there's no dir for this path
369 static struct path *path_from_dir(struct vol *vol, struct dir *dir, struct path *ret)
371 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
377 if (movecwd( vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
380 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1); /* 3 */
381 if (dir->d_m_name == dir->d_u_name) {
382 ret->u_name = ret->m_name;
384 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
385 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
390 LOG(log_debug, logtype_afpd, "cname('%s') {path-from-dir: AFPERR_ACCESS. curdir:'%s', path:'%s'}",
391 cfrombstr(dir->d_fullpath),
392 cfrombstr(curdir->d_fullpath),
398 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
401 memcpy(ret->m_name, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1);
402 if (dir->d_m_name == dir->d_u_name) {
403 ret->u_name = ret->m_name;
405 ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
406 memcpy(ret->u_name, cfrombstr(dir->d_u_name), blength(dir->d_u_name) + 1);
409 ret->d_dir = NULL; /* 4 */
410 dir_remove(vol, dir); /* 5 */
417 /* DEADC0DE: never get here */
422 /*********************************************************************************************
424 ********************************************************************************************/
426 int get_afp_errno(const int param)
428 if (afp_errno != AFPERR_DID1)
434 * Resolve struct dir for an absolute path
436 * Given a path like "/Volumes/volume/dir/subdir" in a volume "/Volumes/volume" return
437 * a pointer to struct dir of "subdir".
438 * 1. Remove volue path from absolute path
440 * 3. loop through all elements of the remaining path from 1.
441 * 4. we only allow dirs
443 * 6. if not found in the dircache query the CNID database for the DID
444 * 7. and use dirlookup to resolve the DID to a it's struct dir *
446 * @param vol (r) volume the path is in, must be known
447 * @param path (r) absoule path
449 * @returns pointer to struct dir or NULL on error
451 struct dir *dirlookup_bypath(const struct vol *vol, const char *path)
455 struct dir *dir = NULL;
457 bstring rpath = NULL;
458 bstring statpath = NULL;
459 struct bstrList *l = NULL;
465 EC_NULL(rpath = rel_path_in_vol(path, vol->v_path)); /* 1. */
466 EC_NULL(statpath = bfromcstr(vol->v_path)); /* 2. */
468 l = bsplit(rpath, '/');
469 for (int i = 0; i < l->qty ; i++) { /* 3. */
471 EC_ZERO(bcatcstr(statpath, "/"));
472 EC_ZERO(bconcat(statpath, l->entry[i]));
473 EC_ZERO_LOGSTR(lstat(cfrombstr(statpath), &st),
474 "lstat(rpath: %s, elem: %s): %s: %s",
475 cfrombstr(rpath), cfrombstr(l->entry[i]),
476 cfrombstr(statpath), strerror(errno));
478 if (!(S_ISDIR(st.st_mode))) /* 4. */
481 if ((dir = dircache_search_by_name(vol, /* 5. */
483 cfrombstr(l->entry[i]),
484 blength(l->entry[i]))) == NULL) {
485 if ((cnid = cnid_add(vol->v_cdb, /* 6. */
488 cfrombstr(l->entry[i]),
489 blength(l->entry[i]),
490 0)) == CNID_INVALID) {
494 if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
510 * @brief Resolve a DID
512 * Resolve a DID, allocate a struct dir for it
513 * 1. Check for special CNIDs 0 (invalid), 1 and 2.
514 * 2a. Check if the DID is in the cache.
515 * 2b. Check if it's really a dir (d_fullpath != NULL) because we cache files too.
516 * 3. If it's not in the cache resolve it via the database.
517 * 4. Build complete server-side path to the dir.
518 * 5. Check if it exists and is a directory.
519 * 6. Create the struct dir and populate it.
520 * 7. Add it to the cache.
522 * @param vol (r) pointer to struct vol
523 * @param did (r) DID to resolve
525 * @returns pointer to struct dir
527 struct dir *dirlookup(const struct vol *vol, cnid_t did)
529 static char buffer[12 + MAXPATHLEN + 1];
531 struct dir *ret = NULL, *pdir;
532 bstring fullpath = NULL;
533 char *upath = NULL, *mpath;
536 int buflen = 12 + MAXPATHLEN + 1;
540 LOG(log_debug, logtype_afpd, "dirlookup(did: %u)", ntohl(did));
542 /* check for did 0, 1 and 2 */
543 if (did == 0 || vol == NULL) { /* 1 */
544 afp_errno = AFPERR_PARAM;
547 } else if (did == DIRDID_ROOT_PARENT) {
548 rootParent.d_vid = vol->v_vid;
551 } else if (did == DIRDID_ROOT) {
556 /* Search the cache */
557 if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
558 if (ret->d_fullpath == NULL) { /* 2b */
559 afp_errno = AFPERR_BADTYPE;
563 if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
564 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {lstat: %s}", ntohl(did), strerror(errno));
568 /* It's not there anymore, so remove it */
569 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {calling dir_remove()}", ntohl(did));
570 dir_remove(vol, ret);
571 afp_errno = AFPERR_NOOBJ;
586 utf8 = utf8_encoding();
587 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
589 /* Get it from the database */
591 if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
592 afp_errno = AFPERR_NOOBJ;
596 if ((upath = strdup(upath)) == NULL) { /* 3 */
597 afp_errno = AFPERR_NOOBJ;
604 * Recurse up the tree, terminates in dirlookup when either
605 * - DIRDID_ROOT is hit
606 * - a cached entry is found
608 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {recursion for did: %u}", ntohl(pdid));
609 if ((pdir = dirlookup(vol, pdid)) == NULL) {
614 /* build the fullpath */
615 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
616 || bconchar(fullpath, '/') != BSTR_OK
617 || bcatcstr(fullpath, upath) != BSTR_OK) {
622 /* stat it and check if it's a dir */
623 LOG(log_debug, logtype_afpd, "dirlookup: {stating %s}", cfrombstr(fullpath));
625 if (stat(cfrombstr(fullpath), &st) != 0) { /* 5a */
628 afp_errno = AFPERR_NOOBJ;
632 afp_errno = AFPERR_ACCESS;
636 afp_errno = AFPERR_MISC;
641 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
642 afp_errno = AFPERR_BADTYPE;
648 /* Get macname from unix name */
649 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
650 afp_errno = AFPERR_NOOBJ;
655 /* Create struct dir */
656 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, st.st_ctime)) == NULL) { /* 6 */
657 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
662 /* Add it to the cache only if it's a dir */
663 if (dircache_add(vol, ret) != 0) { /* 7 */
669 if (upath) free(upath);
671 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
672 ntohl(did), AfpErr2name(afp_errno));
681 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): pdid: %u, \"%s\"",
682 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
687 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
689 int caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
694 static u_int32_t did = 0;
695 static char cname[MAXPATHLEN];
696 static char lname[MAXPATHLEN];
697 ucs2_t u2_path[MAXPATHLEN];
698 ucs2_t u2_dename[MAXPATHLEN];
699 char *tmp, *savepath;
701 if (!(vol->v_flags & AFPVOL_CASEINSEN))
704 if (veto_file(ENUMVETO, path->u_name))
707 savepath = path->u_name;
709 /* very simple cache */
710 if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
711 path->u_name = cname;
713 if (of_stat( path ) == 0 ) {
716 /* something changed, we cannot stat ... */
720 if (NULL == ( dp = opendir( "." )) ) {
721 LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
726 /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
727 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, -1, u2_path, sizeof(u2_path)) )
728 LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
730 /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
732 for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
733 if (NULL == check_dirent(vol, de->d_name))
736 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, -1, u2_dename, sizeof(u2_dename)) )
739 if (strcasecmp_w( u2_path, u2_dename) == 0) {
741 strlcpy(cname, de->d_name, sizeof(cname));
742 path->u_name = cname;
744 if (of_stat( path ) == 0 ) {
745 LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
746 strlcpy(lname, tmp, sizeof(lname));
759 /* invalidate cache */
762 path->u_name = savepath;
764 /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
770 * @brief Construct struct dir
772 * Construct struct dir from parameters.
774 * @param m_name (r) directory name in UTF8-dec
775 * @param u_name (r) directory name in server side encoding
776 * @param vol (r) pointer to struct vol
777 * @param pdid (r) Parent CNID
778 * @param did (r) CNID
779 * @param path (r) Full unix path to dir or NULL for files
780 * @param ctime (r) st_ctime from stat
782 * @returns pointer to new struct dir or NULL on error
784 * @note Most of the time mac name and unix name are the same.
786 struct dir *dir_new(const char *m_name,
788 const struct vol *vol,
796 dir = (struct dir *) calloc(1, sizeof( struct dir ));
800 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
805 if (convert_string_allocate( (utf8_encoding()) ? CH_UTF8_MAC : vol->v_maccharset,
808 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
809 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
810 dir->d_m_name_ucs2 = NULL;
813 if (m_name == u_name || !strcmp(m_name, u_name)) {
814 dir->d_u_name = dir->d_m_name;
816 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
817 bdestroy(dir->d_m_name);
824 dir->d_vid = vol->v_vid;
825 dir->d_fullpath = path;
826 dir->ctime_dircache = ctime;
831 * @brief Free a struct dir and all its members
833 * @param (rw) pointer to struct dir
835 void dir_free(struct dir *dir)
837 if (dir->d_u_name != dir->d_m_name) {
838 bdestroy(dir->d_u_name);
840 if (dir->d_m_name_ucs2)
841 free(dir->d_m_name_ucs2);
842 bdestroy(dir->d_m_name);
843 bdestroy(dir->d_fullpath);
848 * @brief Create struct dir from struct path
850 * Create a new struct dir from struct path. Then add it to the cache.
852 * 1. Open adouble file, get CNID from it.
853 * 2. Search the database, hinting with the CNID from (1).
854 * 3. Build fullpath and create struct dir.
855 * 4. Add it to the cache.
857 * @param vol (r) pointer to struct vol, possibly modified in callee
858 * @param dir (r) pointer to parrent directory
859 * @param path (rw) pointer to struct path with valid path->u_name
860 * @param len (r) strlen of path->u_name
862 * @returns Pointer to new struct dir or NULL on error.
864 * @note Function also assigns path->m_name from path->u_name.
866 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
869 struct dir *cdir = NULL;
872 struct adouble *adp = NULL;
880 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
881 /* there's a stray entry in the dircache */
882 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
883 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
884 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
885 if (dir_remove(vol, cdir) != 0) {
887 AFP_PANIC("dir_add");
891 /* get_id needs adp for reading CNID from adouble file */
892 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
893 if ((ad_open_metadata(path->u_name, ADFLAGS_DIR, 0, &ad)) == 0) /* 1 */
897 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
903 ad_close_metadata(adp);
905 /* Get macname from unixname */
906 if (path->m_name == NULL) {
907 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
908 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
915 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
916 || (bconchar(fullpath, '/') != BSTR_OK)
917 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
918 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
923 /* Allocate and initialize struct dir */
924 if ((cdir = dir_new( path->m_name, path->u_name, vol, dir->d_did, id, fullpath, path->st.st_ctime)) == NULL) { /* 3 */
929 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
930 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
936 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
937 cfrombstr(dir->d_u_name), path->u_name, err);
940 ad_close_metadata(adp);
941 if (!cdir && fullpath)
948 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
949 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
950 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
957 * Free the queue with invalid struct dirs
959 * This gets called at the end of every AFP func.
961 void dir_free_invalid_q(void)
964 while (dir = (struct dir *)dequeue(invalid_dircache_entries))
969 * @brief Remove a dir from a cache and queue it for freeing
971 * 1. Check if the dir is locked or has opened forks
972 * 2. Remove it from the cache
973 * 3. Queue it for removal
974 * 4. If it's a request to remove curdir, mark curdir as invalid
975 * 5. Mark it as invalid
977 * @param (r) pointer to struct vol
978 * @param (rw) pointer to struct dir
980 int dir_remove(const struct vol *vol, struct dir *dir)
985 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
988 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
989 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
991 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
992 enqueue(invalid_dircache_entries, dir); /* 3 */
994 if (curdir == dir) /* 4 */
997 dir->d_did = CNID_INVALID; /* 5 */
1004 * @brief Modify a struct dir, adjust cache
1006 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
1007 * If given new_uname == new_mname, new_uname will point to new_mname.
1009 * @param vol (r) pointer to struct vol
1010 * @param dir (rw) pointer to struct dir
1011 * @param pdid (r) new parent DID
1012 * @param did (r) new DID
1013 * @param new_mname (r) new mac-name
1014 * @param new_uname (r) new unix-name
1015 * @param pdir_fullpath (r) new fullpath of parent dir
1017 int dir_modify(const struct vol *vol,
1021 const char *new_mname,
1022 const char *new_uname,
1023 bstring pdir_fullpath)
1027 /* Remove it from the cache */
1028 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
1036 /* free uname if it's not the same as mname */
1037 if (dir->d_m_name != dir->d_u_name)
1038 bdestroy(dir->d_u_name);
1040 if (new_uname == NULL)
1041 new_uname = new_mname;
1043 /* assign new name */
1044 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
1045 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1049 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1050 dir->d_u_name = dir->d_m_name;
1052 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1053 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1059 if (pdir_fullpath) {
1060 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1062 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1064 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1068 if (dir->d_m_name_ucs2)
1069 free(dir->d_m_name_ucs2);
1070 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))
1071 dir->d_m_name_ucs2 = NULL;
1073 /* Re-add it to the cache */
1074 if ((dircache_add(vol, dir)) != 0) {
1076 AFP_PANIC("dir_modify");
1084 * @brief Resolve a catalog node name path
1086 * 1. Evaluate path type
1087 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1088 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1089 * is dir parent then. All this is done in path_from_dir().
1090 * 3. Parse next cnode name in path, cases:
1091 * 4. single "\0" -> do nothing
1092 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1093 * 6. cnode name -> copy it to path.m_name
1094 * 7. Get unix name from mac name
1095 * 8. Special handling of request with did 1
1096 * 9. stat the cnode name
1097 * 10. If it's not there, it's probably an afp_createfile|dir,
1098 * return with curdir = dir parent, struct path = dirname
1099 * 11. If it's there and it's a file, it must should be the last element of the requested
1100 * path. Return with curdir = cnode name parent dir, struct path = filename
1101 * 12. Treat symlinks like files, dont follow them
1102 * 13. If it's a dir:
1103 * 14. Search the dircache for it
1104 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1105 * 16. chdir into the dir and
1106 * 17. set m_name to the mac equivalent of "."
1109 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1111 static char path[ MAXPATHLEN + 1];
1112 static struct path ret;
1122 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1125 afp_errno = AFPERR_NOOBJ;
1126 memset(&ret, 0, sizeof(ret));
1128 switch (ret.m_type = *data) { /* 1 */
1131 len = (unsigned char) *data++;
1133 if (afp_version >= 30) {
1139 if (afp_version >= 30) {
1141 memcpy(&hint, data, sizeof(hint));
1143 data += sizeof(hint);
1145 memcpy(&len16, data, sizeof(len16));
1151 /* else it's an error */
1153 afp_errno = AFPERR_PARAM;
1156 *cpath += len + size;
1161 if (movecwd(vol, dir) < 0 ) {
1162 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1163 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1165 return path_from_dir(vol, dir, &ret);
1170 while (len) { /* 3 */
1171 if (*data == 0) { /* 4 or 5 */
1174 while (len > 0 && *data == 0) { /* 5 */
1175 /* chdir to parrent dir */
1176 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1178 if (movecwd( vol, dir ) < 0 ) {
1179 dir_remove(vol, dir);
1189 for ( p = path; *data != 0 && len > 0; len-- ) {
1191 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1192 afp_errno = AFPERR_PARAM;
1196 *p = 0; /* Terminate string */
1199 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1200 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1204 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1206 /* Prevent access to our special folders like .AppleDouble */
1207 if (check_name(vol, ret.u_name)) {
1208 /* the name is illegal */
1209 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1210 afp_errno = AFPERR_PARAM;
1214 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1216 * Special case: CNID 1
1217 * root parent (did 1) has one child: the volume. Requests for did=1 with
1218 * some <name> must check against the volume name.
1220 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1226 * CNID != 1, eg. most of the times we take this way.
1227 * Now check if current path-part is a file or dir:
1228 * o if it's dir we have to step into it
1229 * o if it's a file we expect it to be the last part of the requested path
1230 * and thus call continue which should terminate the while loop because
1233 if (of_stat(&ret) != 0) { /* 9 */
1235 * ret.u_name doesn't exist, might be afp_createfile|dir
1236 * that means it should have been the last part
1239 /* it wasn't the last part, so we have a bogus path request */
1240 afp_errno = AFPERR_NOOBJ;
1244 * this will terminate clean in while (1) because len == 0,
1245 * probably afp_createfile|dir
1247 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1248 cfrombstr(dir->d_fullpath), ret.u_name);
1252 switch (ret.st.st_mode & S_IFMT) {
1253 case S_IFREG: /* 11 */
1254 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1255 cfrombstr(dir->d_fullpath), ret.u_name);
1257 /* it wasn't the last part, so we have a bogus path request */
1258 afp_errno = AFPERR_PARAM;
1261 continue; /* continues while loop */
1262 case S_IFLNK: /* 12 */
1263 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1264 cfrombstr(dir->d_fullpath), ret.u_name);
1266 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1267 cfrombstr(dir->d_fullpath), ret.u_name);
1268 afp_errno = AFPERR_PARAM;
1271 continue; /* continues while loop */
1272 case S_IFDIR: /* 13 */
1275 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1276 afp_errno = AFPERR_NODIR;
1280 /* Search the cache */
1281 int unamelen = strlen(ret.u_name);
1282 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
1284 /* Not in cache, create one */
1285 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1286 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1287 ntohl(dir->d_did), ret.u_name, getcwdpath());
1291 } /* if/else cnid==1 */
1293 /* Now chdir to the evaluated dir */
1294 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1295 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1296 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1298 return path_from_dir(vol, cdir, &ret);
1303 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1306 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1307 afp_errno = AFPERR_DID1;
1311 if (ret.m_name[0] == 0) {
1312 /* Last part was a dir */
1313 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1317 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1318 cfrombstr(dir->d_fullpath),
1319 cfrombstr(curdir->d_fullpath),
1326 * @brief chdir() to dir
1328 * @param vol (r) pointer to struct vol
1329 * @param dir (r) pointer to struct dir
1331 * @returns 0 on success, -1 on error with afp_errno set appropiately
1333 int movecwd(const struct vol *vol, struct dir *dir)
1340 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1341 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1343 if (dir->d_did == DIRDID_ROOT_PARENT) {
1344 curdir = &rootParent;
1348 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1349 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1351 if ((ret = lchdir(cfrombstr(dir->d_fullpath))) != 0 ) {
1352 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): ret: %u, %s",
1353 cfrombstr(dir->d_fullpath), ret, strerror(errno));
1355 /* p is a symlink or getcwd failed */
1356 afp_errno = AFPERR_BADTYPE;
1358 if (chdir(vol->v_path ) < 0) {
1359 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1360 /* XXX what do we do here? */
1362 curdir = vol->v_root;
1369 afp_errno = AFPERR_ACCESS;
1372 afp_errno = AFPERR_NOOBJ;
1382 * We can't use unix file's perm to support Apple's inherited protection modes.
1383 * If we aren't the file's owner we can't change its perms when moving it and smb
1384 * nfs,... don't even try.
1386 #define AFP_CHECK_ACCESS
1388 int check_access(char *path, int mode)
1390 #ifdef AFP_CHECK_ACCESS
1398 accessmode(p, &ma, curdir, NULL);
1399 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1401 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1407 /* --------------------- */
1408 int file_access(struct path *path, int mode)
1412 accessmode(path->u_name, &ma, curdir, &path->st);
1414 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1415 path->u_name, ma.ma_user);
1417 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1418 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1421 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1422 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1429 /* --------------------- */
1430 void setdiroffcnt(struct dir *dir, struct stat *st, u_int32_t count)
1432 dir->d_offcnt = count;
1433 dir->d_ctime = st->st_ctime;
1434 dir->d_flags &= ~DIRF_CNID;
1438 /* ---------------------
1439 * is our cached also for reenumerate id?
1441 int dirreenumerate(struct dir *dir, struct stat *st)
1443 return st->st_ctime == dir->d_ctime && (dir->d_flags & DIRF_CNID);
1446 /* ------------------------------
1448 (name, dir) with curdir:name == dir, from afp_enumerate
1451 int getdirparams(const struct vol *vol,
1452 u_int16_t bitmap, struct path *s_path,
1454 char *buf, size_t *buflen )
1458 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1459 int bit = 0, isad = 0;
1465 struct stat *st = &s_path->st;
1466 char *upath = s_path->u_name;
1468 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1469 (1 << DIRPBIT_CDATE) |
1470 (1 << DIRPBIT_MDATE) |
1471 (1 << DIRPBIT_BDATE) |
1472 (1 << DIRPBIT_FINFO)))) {
1474 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1475 if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
1477 if (ad.ad_md->adf_flags & O_CREAT) {
1478 /* We just created it */
1479 ad_setname(&ad, s_path->m_name);
1494 while ( bitmap != 0 ) {
1495 while (( bitmap & 1 ) == 0 ) {
1503 ad_getattr(&ad, &ashort);
1504 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1505 ashort = htons(ATTRBIT_INVISIBLE);
1508 ashort |= htons(ATTRBIT_SHARED);
1509 memcpy( data, &ashort, sizeof( ashort ));
1510 data += sizeof( ashort );
1514 memcpy( data, &pdid, sizeof( pdid ));
1515 data += sizeof( pdid );
1516 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1517 s_path->u_name, ntohl(pdid));
1520 case DIRPBIT_CDATE :
1521 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1522 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1523 memcpy( data, &aint, sizeof( aint ));
1524 data += sizeof( aint );
1527 case DIRPBIT_MDATE :
1528 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1529 memcpy( data, &aint, sizeof( aint ));
1530 data += sizeof( aint );
1533 case DIRPBIT_BDATE :
1534 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1535 aint = AD_DATE_START;
1536 memcpy( data, &aint, sizeof( aint ));
1537 data += sizeof( aint );
1540 case DIRPBIT_FINFO :
1542 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1543 } else { /* no appledouble */
1544 memset( data, 0, 32 );
1545 /* set default view -- this also gets done in ad_open() */
1546 ashort = htons(FINDERINFO_CLOSEDVIEW);
1547 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1549 /* dot files are by default visible */
1550 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1551 ashort = htons(FINDERINFO_INVISIBLE);
1552 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1558 case DIRPBIT_LNAME :
1559 if (dir->d_m_name) /* root of parent can have a null name */
1562 memset(data, 0, sizeof(u_int16_t));
1563 data += sizeof( u_int16_t );
1566 case DIRPBIT_SNAME :
1567 memset(data, 0, sizeof(u_int16_t));
1568 data += sizeof( u_int16_t );
1572 memcpy( data, &dir->d_did, sizeof( aint ));
1573 data += sizeof( aint );
1574 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1575 s_path->u_name, ntohl(dir->d_did));
1578 case DIRPBIT_OFFCNT :
1580 /* this needs to handle current directory access rights */
1581 if (diroffcnt(dir, st)) {
1582 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1584 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1585 setdiroffcnt(dir, st, ret);
1586 ashort = (dir->d_offcnt > 0xffff)?0xffff:dir->d_offcnt;
1588 ashort = htons( ashort );
1589 memcpy( data, &ashort, sizeof( ashort ));
1590 data += sizeof( ashort );
1594 aint = htonl(st->st_uid);
1595 memcpy( data, &aint, sizeof( aint ));
1596 data += sizeof( aint );
1600 aint = htonl(st->st_gid);
1601 memcpy( data, &aint, sizeof( aint ));
1602 data += sizeof( aint );
1605 case DIRPBIT_ACCESS :
1606 accessmode( upath, &ma, dir , st);
1608 *data++ = ma.ma_user;
1609 *data++ = ma.ma_world;
1610 *data++ = ma.ma_group;
1611 *data++ = ma.ma_owner;
1614 /* Client has requested the ProDOS information block.
1615 Just pass back the same basic block for all
1616 directories. <shirsch@ibm.net> */
1617 case DIRPBIT_PDINFO :
1618 if (afp_version >= 30) { /* UTF8 name */
1619 utf8 = kTextEncodingUTF8;
1620 if (dir->d_m_name) /* root of parent can have a null name */
1623 memset(data, 0, sizeof(u_int16_t));
1624 data += sizeof( u_int16_t );
1626 memcpy(data, &aint, sizeof( aint ));
1627 data += sizeof( aint );
1629 else { /* ProDOS Info Block */
1632 ashort = htons( 0x0200 );
1633 memcpy( data, &ashort, sizeof( ashort ));
1634 data += sizeof( ashort );
1635 memset( data, 0, sizeof( ashort ));
1636 data += sizeof( ashort );
1640 case DIRPBIT_UNIXPR :
1641 aint = htonl(st->st_uid);
1642 memcpy( data, &aint, sizeof( aint ));
1643 data += sizeof( aint );
1644 aint = htonl(st->st_gid);
1645 memcpy( data, &aint, sizeof( aint ));
1646 data += sizeof( aint );
1649 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1650 memcpy( data, &aint, sizeof( aint ));
1651 data += sizeof( aint );
1653 accessmode( upath, &ma, dir , st);
1655 *data++ = ma.ma_user;
1656 *data++ = ma.ma_world;
1657 *data++ = ma.ma_group;
1658 *data++ = ma.ma_owner;
1663 ad_close_metadata( &ad );
1665 return( AFPERR_BITMAP );
1671 ashort = htons( data - buf );
1672 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1673 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1675 if ( utf_nameoff ) {
1676 ashort = htons( data - buf );
1677 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1678 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1681 ad_close_metadata( &ad );
1683 *buflen = data - buf;
1687 /* ----------------------------- */
1688 int path_error(struct path *path, int error)
1690 /* - a dir with access error
1691 * - no error it's a file
1694 if (path_isadir(path))
1696 if (path->st_valid && path->st_errno)
1698 return AFPERR_BADTYPE ;
1701 /* ----------------------------- */
1702 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1707 u_int16_t vid, bitmap;
1713 memcpy( &vid, ibuf, sizeof( vid ));
1714 ibuf += sizeof( vid );
1716 if (NULL == ( vol = getvolbyvid( vid )) ) {
1717 return( AFPERR_PARAM );
1720 if (vol->v_flags & AFPVOL_RO)
1721 return AFPERR_VLOCK;
1723 memcpy( &did, ibuf, sizeof( did ));
1724 ibuf += sizeof( int );
1726 if (NULL == ( dir = dirlookup( vol, did )) ) {
1730 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1731 bitmap = ntohs( bitmap );
1732 ibuf += sizeof( bitmap );
1734 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1735 return get_afp_errno(AFPERR_NOOBJ);
1738 if ( *path->m_name != '\0' ) {
1739 rc = path_error(path, AFPERR_NOOBJ);
1740 /* maybe we are trying to set perms back */
1741 if (rc != AFPERR_ACCESS)
1746 * If ibuf is odd, make it even.
1748 if ((u_long)ibuf & 1 ) {
1752 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1753 setvoltime(obj, vol );
1759 * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
1761 * assume path == '\0' eg. it's a directory in canonical form
1763 int setdirparams(struct vol *vol, struct path *path, u_int16_t d_bitmap, char *buf )
1775 u_int16_t ashort, bshort, oshort;
1777 int change_mdate = 0;
1778 int change_parent_mdate = 0;
1780 u_int16_t bitmap = d_bitmap;
1781 u_char finder_buf[32];
1784 u_int16_t upriv_bit = 0;
1787 upath = path->u_name;
1789 while ( bitmap != 0 ) {
1790 while (( bitmap & 1 ) == 0 ) {
1798 memcpy( &ashort, buf, sizeof( ashort ));
1799 buf += sizeof( ashort );
1801 case DIRPBIT_CDATE :
1803 memcpy(&cdate, buf, sizeof(cdate));
1804 buf += sizeof( cdate );
1806 case DIRPBIT_MDATE :
1807 memcpy(&newdate, buf, sizeof(newdate));
1808 buf += sizeof( newdate );
1810 case DIRPBIT_BDATE :
1812 memcpy(&bdate, buf, sizeof(bdate));
1813 buf += sizeof( bdate );
1815 case DIRPBIT_FINFO :
1817 memcpy( finder_buf, buf, 32 );
1820 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1821 change_parent_mdate = 1;
1822 memcpy( &owner, buf, sizeof(owner));
1823 buf += sizeof( owner );
1826 change_parent_mdate = 1;
1827 memcpy( &group, buf, sizeof( group ));
1828 buf += sizeof( group );
1830 case DIRPBIT_ACCESS :
1832 change_parent_mdate = 1;
1833 ma.ma_user = *buf++;
1834 ma.ma_world = *buf++;
1835 ma.ma_group = *buf++;
1836 ma.ma_owner = *buf++;
1837 mpriv = mtoumode( &ma ) | vol->v_dperm;
1838 if (dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
1839 err = set_dir_errors(path, "setdirmode", errno);
1843 /* Ignore what the client thinks we should do to the
1844 ProDOS information block. Skip over the data and
1845 report nothing amiss. <shirsch@ibm.net> */
1846 case DIRPBIT_PDINFO :
1847 if (afp_version < 30) {
1851 err = AFPERR_BITMAP;
1855 case DIRPBIT_UNIXPR :
1856 if (vol_unix_priv(vol)) {
1857 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1858 buf += sizeof( owner );
1859 memcpy( &group, buf, sizeof( group ));
1860 buf += sizeof( group );
1863 change_parent_mdate = 1;
1864 memcpy( &upriv, buf, sizeof( upriv ));
1865 buf += sizeof( upriv );
1866 upriv = ntohl (upriv) | vol->v_dperm;
1867 if (dir_rx_set(upriv)) {
1868 /* maybe we are trying to set perms back */
1869 if ( setdirunixmode(vol, upath, upriv) < 0 ) {
1871 err = set_dir_errors(path, "setdirunixmode", errno);
1882 err = AFPERR_BITMAP;
1890 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1892 if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
1894 * Check to see what we're trying to set. If it's anything
1895 * but ACCESS, UID, or GID, give an error. If it's any of those
1896 * three, we don't need the ad to be open, so just continue.
1898 * note: we also don't need to worry about mdate. also, be quiet
1899 * if we're using the noadouble option.
1901 if (!vol_noadouble(vol) && (d_bitmap &
1902 ~((1<<DIRPBIT_ACCESS)|(1<<DIRPBIT_UNIXPR)|
1903 (1<<DIRPBIT_UID)|(1<<DIRPBIT_GID)|
1904 (1<<DIRPBIT_MDATE)|(1<<DIRPBIT_PDINFO)))) {
1905 return AFPERR_ACCESS;
1911 * Check to see if a create was necessary. If it was, we'll want
1912 * to set our name, etc.
1914 if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
1915 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1921 while ( bitmap != 0 ) {
1922 while (( bitmap & 1 ) == 0 ) {
1930 ad_getattr(&ad, &bshort);
1932 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1933 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1937 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1938 change_parent_mdate = 1;
1939 ad_setattr(&ad, bshort);
1942 case DIRPBIT_CDATE :
1944 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1947 case DIRPBIT_MDATE :
1949 case DIRPBIT_BDATE :
1951 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1954 case DIRPBIT_FINFO :
1956 /* Fixes #2802236 */
1957 u_int16_t *fflags = (u_int16_t *)(finder_buf + FINDERINFO_FRFLAGOFF);
1958 *fflags &= htons(~FINDERINFO_ISHARED);
1960 if ( dir->d_did == DIRDID_ROOT ) {
1962 * Alright, we admit it, this is *really* sick!
1963 * The 4 bytes that we don't copy, when we're dealing
1964 * with the root of a volume, are the directory's
1965 * location information. This eliminates that annoying
1966 * behavior one sees when mounting above another mount
1969 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1970 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1972 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
1976 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1977 if ( (dir->d_did == DIRDID_ROOT) &&
1978 (setdeskowner( ntohl(owner), -1 ) < 0)) {
1979 err = set_dir_errors(path, "setdeskowner", errno);
1980 if (isad && err == AFPERR_PARAM) {
1981 err = AFP_OK; /* ???*/
1984 goto setdirparam_done;
1987 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
1988 err = set_dir_errors(path, "setdirowner", errno);
1989 goto setdirparam_done;
1993 if (dir->d_did == DIRDID_ROOT)
1994 setdeskowner( -1, ntohl(group) );
1995 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
1996 err = set_dir_errors(path, "setdirowner", errno);
1997 goto setdirparam_done;
2000 case DIRPBIT_ACCESS :
2001 if (dir->d_did == DIRDID_ROOT) {
2003 if (!dir_rx_set(mpriv)) {
2004 /* we can't remove read and search for owner on volume root */
2005 err = AFPERR_ACCESS;
2006 goto setdirparam_done;
2010 if (!dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
2011 err = set_dir_errors(path, "setdirmode", errno);
2012 goto setdirparam_done;
2015 case DIRPBIT_PDINFO :
2016 if (afp_version >= 30) {
2017 err = AFPERR_BITMAP;
2018 goto setdirparam_done;
2021 case DIRPBIT_UNIXPR :
2022 if (vol_unix_priv(vol)) {
2023 if (dir->d_did == DIRDID_ROOT) {
2024 if (!dir_rx_set(upriv)) {
2025 /* we can't remove read and search for owner on volume root */
2026 err = AFPERR_ACCESS;
2027 goto setdirparam_done;
2029 setdeskowner( -1, ntohl(group) );
2030 setdeskmode( upriv );
2032 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2033 err = set_dir_errors(path, "setdirowner", errno);
2034 goto setdirparam_done;
2037 if ( upriv_bit && setdirunixmode(vol, upath, upriv) < 0 ) {
2038 err = set_dir_errors(path, "setdirunixmode", errno);
2039 goto setdirparam_done;
2043 err = AFPERR_BITMAP;
2044 goto setdirparam_done;
2048 err = AFPERR_BITMAP;
2049 goto setdirparam_done;
2058 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
2059 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2063 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
2064 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
2069 if (path->st_valid && !path->st_errno) {
2070 struct stat *st = &path->st;
2072 if (dir && dir->d_pdid) {
2073 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
2077 ad_close_metadata( &ad);
2080 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2081 && gettimeofday(&tv, NULL) == 0) {
2082 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2083 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2084 /* be careful with bitmap because now dir is null */
2085 bitmap = 1<<DIRPBIT_MDATE;
2086 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2087 /* should we reset curdir ?*/
2094 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2108 memcpy( &vid, ibuf, sizeof( vid ));
2109 ibuf += sizeof( vid );
2110 if (NULL == (vol = getvolbyvid( vid )) ) {
2111 return( AFPERR_PARAM );
2114 memcpy( &did, ibuf, sizeof( did ));
2115 ibuf += sizeof( did );
2119 * if it's CNID 2 our only choice to meet the specs is call sync.
2120 * For any other CNID just sync that dir. To my knowledge the
2121 * intended use of FPSyncDir is to sync the volume so all we're
2122 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2125 if ( ntohl(did) == 2 ) {
2128 if (NULL == ( dir = dirlookup( vol, did )) ) {
2129 return afp_errno; /* was AFPERR_NOOBJ */
2132 if (movecwd( vol, dir ) < 0 )
2133 return ( AFPERR_NOOBJ );
2136 * Assuming only OSens that have dirfd also may require fsyncing directories
2137 * in order to flush metadata e.g. Linux.
2141 if (NULL == ( dp = opendir( "." )) ) {
2144 return( AFPERR_NOOBJ );
2146 return( AFPERR_ACCESS );
2148 return( AFPERR_PARAM );
2152 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2155 if ( fsync ( dfd ) < 0 )
2156 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2157 dir->d_u_name, strerror(errno) );
2158 closedir(dp); /* closes dfd too */
2161 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2164 return( AFPERR_NOOBJ );
2166 return( AFPERR_ACCESS );
2168 return( AFPERR_PARAM );
2172 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2173 vol->ad_path(".", ADFLAGS_DIR) );
2175 if ( fsync(dfd) < 0 )
2176 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2177 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2184 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2190 struct path *s_path;
2198 memcpy( &vid, ibuf, sizeof( vid ));
2199 ibuf += sizeof( vid );
2200 if (NULL == ( vol = getvolbyvid( vid )) ) {
2201 return( AFPERR_PARAM );
2204 if (vol->v_flags & AFPVOL_RO)
2205 return AFPERR_VLOCK;
2207 memcpy( &did, ibuf, sizeof( did ));
2208 ibuf += sizeof( did );
2209 if (NULL == ( dir = dirlookup( vol, did )) ) {
2210 return afp_errno; /* was AFPERR_NOOBJ */
2212 /* for concurrent access we need to be sure we are not in the
2213 * folder we want to create...
2217 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2218 return get_afp_errno(AFPERR_PARAM);
2220 /* cname was able to move curdir to it! */
2221 if (*s_path->m_name == '\0')
2222 return AFPERR_EXIST;
2224 upath = s_path->u_name;
2226 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2230 if (of_stat(s_path) < 0) {
2236 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2240 if ( movecwd( vol, dir ) < 0 ) {
2241 return( AFPERR_PARAM );
2244 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2245 if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
2246 if (vol_noadouble(vol))
2247 goto createdir_done;
2248 return( AFPERR_ACCESS );
2250 ad_setname(&ad, s_path->m_name);
2251 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2254 ad_close_metadata( &ad);
2257 memcpy( rbuf, &dir->d_did, sizeof( u_int32_t ));
2258 *rbuflen = sizeof( u_int32_t );
2259 setvoltime(obj, vol );
2264 * dst new unix filename (not a pathname)
2265 * newname new mac name
2267 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2269 int renamedir(const struct vol *vol,
2274 struct dir *newparent,
2280 /* existence check moved to afp_moveandrename */
2281 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2284 return( AFPERR_NOOBJ );
2286 return( AFPERR_ACCESS );
2288 return AFPERR_VLOCK;
2290 /* tried to move directory into a subdirectory of itself */
2291 return AFPERR_CANTMOVE;
2293 /* this needs to copy and delete. bleah. that means we have
2294 * to deal with entire directory hierarchies. */
2295 if ((err = copydir(vol, dirfd, src, dst)) < 0) {
2299 if ((err = deletedir(dirfd, src)) < 0)
2303 return( AFPERR_PARAM );
2307 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2309 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2311 if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
2312 ad_setname(&ad, newname);
2314 ad_close_metadata( &ad);
2320 /* delete an empty directory */
2321 int deletecurdir(struct vol *vol)
2325 struct dir *fdir, *pdir;
2331 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2332 return( AFPERR_ACCESS );
2337 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2338 /* we never want to create a resource fork here, we are going to delete it */
2339 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2341 ad_getattr(&ad, &ashort);
2342 ad_close_metadata(&ad);
2343 if ((ashort & htons(ATTRBIT_NODELETE))) {
2344 return AFPERR_OLOCK;
2347 err = vol->vfs->vfs_deletecurdir(vol);
2349 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2350 curdir->d_fullpath);
2354 /* now get rid of dangling symlinks */
2355 if ((dp = opendir("."))) {
2356 while ((de = readdir(dp))) {
2357 /* skip this and previous directory */
2358 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2361 /* bail if it's not a symlink */
2362 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2363 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2364 curdir->d_fullpath);
2366 return AFPERR_DIRNEMPT;
2369 if ((err = netatalk_unlink(de->d_name))) {
2376 if (movecwd(vol, pdir) < 0) {
2381 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2382 cfrombstr(curdir->d_fullpath));
2384 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2385 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2386 cnid_delete(vol->v_cdb, fdir->d_did);
2387 dir_remove( vol, fdir );
2389 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2390 curdir->d_fullpath);
2395 /* inode is used as key for cnid.
2396 * Close the descriptor only after cnid_delete
2404 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2414 sfunc = (unsigned char) *ibuf++;
2417 if (sfunc >= 3 && sfunc <= 6) {
2418 if (afp_version < 30) {
2419 return( AFPERR_PARAM );
2426 case 3 :/* unicode */
2427 memcpy( &id, ibuf, sizeof( id ));
2430 if (( pw = getpwuid( id )) == NULL ) {
2431 return( AFPERR_NOITEM );
2433 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2434 pw->pw_name, -1, &name);
2441 case 4 : /* unicode */
2442 memcpy( &id, ibuf, sizeof( id ));
2445 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2446 return( AFPERR_NOITEM );
2448 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2449 gr->gr_name, -1, &name);
2456 case 5 : /* UUID -> username */
2457 case 6 : /* UUID -> groupname */
2458 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2459 return AFPERR_PARAM;
2460 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2462 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2463 if (len != 0) /* its a error code, not len */
2464 return AFPERR_NOITEM;
2467 if (( pw = getpwnam( name )) == NULL )
2468 return( AFPERR_NOITEM );
2469 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2470 id = htonl(UUID_USER);
2471 memcpy( rbuf, &id, sizeof( id ));
2472 id = htonl( pw->pw_uid);
2473 rbuf += sizeof( id );
2474 memcpy( rbuf, &id, sizeof( id ));
2475 rbuf += sizeof( id );
2476 *rbuflen = 2 * sizeof( id );
2479 if (( gr = getgrnam( name )) == NULL )
2480 return( AFPERR_NOITEM );
2481 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2482 id = htonl(UUID_GROUP);
2483 memcpy( rbuf, &id, sizeof( id ));
2484 rbuf += sizeof( id );
2485 id = htonl( gr->gr_gid);
2486 memcpy( rbuf, &id, sizeof( id ));
2487 rbuf += sizeof( id );
2488 *rbuflen = 2 * sizeof( id );
2492 return (AFPERR_NOITEM);
2499 return( AFPERR_PARAM );
2503 len = strlen( name );
2506 u_int16_t tp = htons(len);
2507 memcpy(rbuf, &tp, sizeof(tp));
2516 memcpy( rbuf, name, len );
2524 int afp_mapname(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2533 sfunc = (unsigned char) *ibuf++;
2535 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d, afp_version: %d", sfunc, afp_version);
2538 case 2 : /* unicode */
2539 if (afp_version < 30) {
2540 return( AFPERR_PARAM );
2542 memcpy(&ulen, ibuf, sizeof(ulen));
2545 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2549 len = (unsigned char) *ibuf++;
2551 case 5 : /* username -> UUID */
2552 case 6 : /* groupname -> UUID */
2553 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2554 return AFPERR_PARAM;
2555 memcpy(&ulen, ibuf, sizeof(ulen));
2560 return( AFPERR_PARAM );
2566 return AFPERR_PARAM;
2569 case 1 : /* unicode */
2571 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2572 return( AFPERR_NOITEM );
2576 memcpy( rbuf, &id, sizeof( id ));
2577 *rbuflen = sizeof( id );
2580 case 2 : /* unicode */
2582 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
2583 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2584 return( AFPERR_NOITEM );
2587 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
2589 memcpy( rbuf, &id, sizeof( id ));
2590 *rbuflen = sizeof( id );
2592 case 5 : /* username -> UUID */
2593 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2594 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2595 return AFPERR_NOITEM;
2596 *rbuflen = UUID_BINSIZE;
2598 case 6 : /* groupname -> UUID */
2599 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2600 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2601 return AFPERR_NOITEM;
2602 *rbuflen = UUID_BINSIZE;
2609 /* ------------------------------------
2610 variable DID support
2612 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2623 /* do nothing as dids are static for the life of the process. */
2627 memcpy(&vid, ibuf, sizeof( vid ));
2628 ibuf += sizeof( vid );
2629 if (( vol = getvolbyvid( vid )) == NULL ) {
2630 return( AFPERR_PARAM );
2633 memcpy( &did, ibuf, sizeof( did ));
2634 ibuf += sizeof( did );
2635 if (( dir = dirlookup( vol, did )) == NULL ) {
2636 return( AFPERR_PARAM );
2639 /* dir_remove -- deletedid */
2645 /* did creation gets done automatically
2646 * there's a pb again with case but move it to cname
2648 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2651 struct dir *parentdir;
2659 memcpy(&vid, ibuf, sizeof(vid));
2660 ibuf += sizeof( vid );
2662 if (NULL == ( vol = getvolbyvid( vid )) ) {
2663 return( AFPERR_PARAM );
2666 memcpy(&did, ibuf, sizeof(did));
2667 ibuf += sizeof(did);
2669 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2673 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2674 return get_afp_errno(AFPERR_PARAM);
2677 if ( *path->m_name != '\0' ) {
2678 return path_error(path, AFPERR_NOOBJ);
2681 if ( !path->st_valid && of_stat(path ) < 0 ) {
2682 return( AFPERR_NOOBJ );
2684 if ( path->st_errno ) {
2685 return( AFPERR_NOOBJ );
2688 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2689 *rbuflen = sizeof(curdir->d_did);