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->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]),
485 st.st_ctime)) == NULL) {
486 if ((cnid = cnid_add(vol->v_cdb, /* 6. */
489 cfrombstr(l->entry[i]),
490 blength(l->entry[i]),
491 0)) == CNID_INVALID) {
495 if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
511 * @brief Resolve a DID
513 * Resolve a DID, allocate a struct dir for it
514 * 1. Check for special CNIDs 0 (invalid), 1 and 2.
515 * 2a. Check if the DID is in the cache.
516 * 2b. Check if it's really a dir (d_fullpath != NULL) because we cache files too.
517 * 3. If it's not in the cache resolve it via the database.
518 * 4. Build complete server-side path to the dir.
519 * 5. Check if it exists and is a directory.
520 * 6. Create the struct dir and populate it.
521 * 7. Add it to the cache.
523 * @param vol (r) pointer to struct vol
524 * @param did (r) DID to resolve
526 * @returns pointer to struct dir
528 struct dir *dirlookup(const struct vol *vol, cnid_t did)
530 static char buffer[12 + MAXPATHLEN + 1];
532 struct dir *ret = NULL, *pdir;
533 bstring fullpath = NULL;
534 char *upath = NULL, *mpath;
537 int buflen = 12 + MAXPATHLEN + 1;
541 LOG(log_debug, logtype_afpd, "dirlookup(did: %u)", ntohl(did));
543 /* check for did 0, 1 and 2 */
544 if (did == 0 || vol == NULL) { /* 1 */
545 afp_errno = AFPERR_PARAM;
548 } else if (did == DIRDID_ROOT_PARENT) {
549 rootParent.d_vid = vol->v_vid;
552 } else if (did == DIRDID_ROOT) {
557 /* Search the cache */
558 if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
559 if (ret->d_fullpath == NULL) { /* 2b */
560 afp_errno = AFPERR_BADTYPE;
564 if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
565 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {lstat: %s}", ntohl(did), strerror(errno));
569 /* It's not there anymore, so remove it */
570 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {calling dir_remove()}", ntohl(did));
571 dir_remove(vol, ret);
572 afp_errno = AFPERR_NOOBJ;
587 utf8 = utf8_encoding();
588 maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
590 /* Get it from the database */
592 if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
593 afp_errno = AFPERR_NOOBJ;
597 if ((upath = strdup(upath)) == NULL) { /* 3 */
598 afp_errno = AFPERR_NOOBJ;
605 * Recurse up the tree, terminates in dirlookup when either
606 * - DIRDID_ROOT is hit
607 * - a cached entry is found
609 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {recursion for did: %u}", ntohl(pdid));
610 if ((pdir = dirlookup(vol, pdid)) == NULL) {
615 /* build the fullpath */
616 if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
617 || bconchar(fullpath, '/') != BSTR_OK
618 || bcatcstr(fullpath, upath) != BSTR_OK) {
623 /* stat it and check if it's a dir */
624 LOG(log_debug, logtype_afpd, "dirlookup: {stating %s}", cfrombstr(fullpath));
626 if (stat(cfrombstr(fullpath), &st) != 0) { /* 5a */
629 afp_errno = AFPERR_NOOBJ;
633 afp_errno = AFPERR_ACCESS;
637 afp_errno = AFPERR_MISC;
642 if ( ! S_ISDIR(st.st_mode)) { /* 5b */
643 afp_errno = AFPERR_BADTYPE;
649 /* Get macname from unix name */
650 if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
651 afp_errno = AFPERR_NOOBJ;
656 /* Create struct dir */
657 if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, st.st_ctime)) == NULL) { /* 6 */
658 LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
663 /* Add it to the cache only if it's a dir */
664 if (dircache_add(vol, ret) != 0) { /* 7 */
670 if (upath) free(upath);
672 LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
673 ntohl(did), AfpErr2name(afp_errno));
682 LOG(log_debug, logtype_afpd, "dirlookup(did: %u): pdid: %u, \"%s\"",
683 ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
688 #define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
690 int caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
695 static u_int32_t did = 0;
696 static char cname[MAXPATHLEN];
697 static char lname[MAXPATHLEN];
698 ucs2_t u2_path[MAXPATHLEN];
699 ucs2_t u2_dename[MAXPATHLEN];
700 char *tmp, *savepath;
702 if (!(vol->v_flags & AFPVOL_CASEINSEN))
705 if (veto_file(ENUMVETO, path->u_name))
708 savepath = path->u_name;
710 /* very simple cache */
711 if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
712 path->u_name = cname;
714 if (of_stat( path ) == 0 ) {
717 /* something changed, we cannot stat ... */
721 if (NULL == ( dp = opendir( "." )) ) {
722 LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
727 /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
728 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, -1, u2_path, sizeof(u2_path)) )
729 LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
731 /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
733 for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
734 if (NULL == check_dirent(vol, de->d_name))
737 if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, -1, u2_dename, sizeof(u2_dename)) )
740 if (strcasecmp_w( u2_path, u2_dename) == 0) {
742 strlcpy(cname, de->d_name, sizeof(cname));
743 path->u_name = cname;
745 if (of_stat( path ) == 0 ) {
746 LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
747 strlcpy(lname, tmp, sizeof(lname));
760 /* invalidate cache */
763 path->u_name = savepath;
765 /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
771 * @brief Construct struct dir
773 * Construct struct dir from parameters.
775 * @param m_name (r) directory name in UTF8-dec
776 * @param u_name (r) directory name in server side encoding
777 * @param vol (r) pointer to struct vol
778 * @param pdid (r) Parent CNID
779 * @param did (r) CNID
780 * @param path (r) Full unix path to dir or NULL for files
781 * @param ctime (r) st_ctime from stat
783 * @returns pointer to new struct dir or NULL on error
785 * @note Most of the time mac name and unix name are the same.
787 struct dir *dir_new(const char *m_name,
789 const struct vol *vol,
797 dir = (struct dir *) calloc(1, sizeof( struct dir ));
801 if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
806 if (convert_string_allocate( (utf8_encoding()) ? CH_UTF8_MAC : vol->v_maccharset,
809 -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
810 LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
811 dir->d_m_name_ucs2 = NULL;
814 if (m_name == u_name || !strcmp(m_name, u_name)) {
815 dir->d_u_name = dir->d_m_name;
817 else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
818 bdestroy(dir->d_m_name);
825 dir->d_vid = vol->v_vid;
826 dir->d_fullpath = path;
827 dir->ctime_dircache = ctime;
832 * @brief Free a struct dir and all its members
834 * @param (rw) pointer to struct dir
836 void dir_free(struct dir *dir)
838 if (dir->d_u_name != dir->d_m_name) {
839 bdestroy(dir->d_u_name);
841 if (dir->d_m_name_ucs2)
842 free(dir->d_m_name_ucs2);
843 bdestroy(dir->d_m_name);
844 bdestroy(dir->d_fullpath);
849 * @brief Create struct dir from struct path
851 * Create a new struct dir from struct path. Then add it to the cache.
853 * 1. Open adouble file, get CNID from it.
854 * 2. Search the database, hinting with the CNID from (1).
855 * 3. Build fullpath and create struct dir.
856 * 4. Add it to the cache.
858 * @param vol (r) pointer to struct vol, possibly modified in callee
859 * @param dir (r) pointer to parrent directory
860 * @param path (rw) pointer to struct path with valid path->u_name
861 * @param len (r) strlen of path->u_name
863 * @returns Pointer to new struct dir or NULL on error.
865 * @note Function also assigns path->m_name from path->u_name.
867 struct dir *dir_add(struct vol *vol, const struct dir *dir, struct path *path, int len)
870 struct dir *cdir = NULL;
873 struct adouble *adp = NULL;
881 if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name), path->st.st_ctime)) != NULL) {
882 /* there's a stray entry in the dircache */
883 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
884 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
885 ntohl(cdir->d_did), cfrombstr(dir->d_fullpath));
886 if (dir_remove(vol, cdir) != 0) {
888 AFP_PANIC("dir_add");
892 /* get_id needs adp for reading CNID from adouble file */
893 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
894 if ((ad_open_metadata(path->u_name, ADFLAGS_DIR, 0, &ad)) == 0) /* 1 */
898 if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
904 ad_close_metadata(adp);
906 /* Get macname from unixname */
907 if (path->m_name == NULL) {
908 if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
909 LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
916 if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
917 || (bconchar(fullpath, '/') != BSTR_OK)
918 || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
919 LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
924 /* Allocate and initialize struct dir */
925 if ((cdir = dir_new( path->m_name, path->u_name, vol, dir->d_did, id, fullpath, path->st.st_ctime)) == NULL) { /* 3 */
930 if ((dircache_add(vol, cdir)) != 0) { /* 4 */
931 LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
937 LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
938 cfrombstr(dir->d_u_name), path->u_name, err);
941 ad_close_metadata(adp);
942 if (!cdir && fullpath)
949 LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
950 ntohl(dir->d_did), cfrombstr(dir->d_fullpath), path->u_name,
951 ntohl(cdir->d_did), cfrombstr(cdir->d_fullpath));
958 * Free the queue with invalid struct dirs
960 * This gets called at the end of every AFP func.
962 void dir_free_invalid_q(void)
965 while (dir = (struct dir *)dequeue(invalid_dircache_entries))
970 * @brief Remove a dir from a cache and queue it for freeing
972 * 1. Check if the dir is locked or has opened forks
973 * 2. Remove it from the cache
974 * 3. Queue it for removal
975 * 4. If it's a request to remove curdir, mark curdir as invalid
976 * 5. Mark it as invalid
978 * @param (r) pointer to struct vol
979 * @param (rw) pointer to struct dir
981 int dir_remove(const struct vol *vol, struct dir *dir)
986 if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
989 LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
990 ntohl(dir->d_did), cfrombstr(dir->d_u_name));
992 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
993 enqueue(invalid_dircache_entries, dir); /* 3 */
995 if (curdir == dir) /* 4 */
998 dir->d_did = CNID_INVALID; /* 5 */
1005 * @brief Modify a struct dir, adjust cache
1007 * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
1008 * If given new_uname == new_mname, new_uname will point to new_mname.
1010 * @param vol (r) pointer to struct vol
1011 * @param dir (rw) pointer to struct dir
1012 * @param pdid (r) new parent DID
1013 * @param did (r) new DID
1014 * @param new_mname (r) new mac-name
1015 * @param new_uname (r) new unix-name
1016 * @param pdir_fullpath (r) new fullpath of parent dir
1018 int dir_modify(const struct vol *vol,
1022 const char *new_mname,
1023 const char *new_uname,
1024 bstring pdir_fullpath)
1028 /* Remove it from the cache */
1029 dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
1037 /* free uname if it's not the same as mname */
1038 if (dir->d_m_name != dir->d_u_name)
1039 bdestroy(dir->d_u_name);
1041 if (new_uname == NULL)
1042 new_uname = new_mname;
1044 /* assign new name */
1045 if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
1046 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1050 if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
1051 dir->d_u_name = dir->d_m_name;
1053 if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
1054 LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
1060 if (pdir_fullpath) {
1061 if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
1063 if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
1065 if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
1069 if (dir->d_m_name_ucs2)
1070 free(dir->d_m_name_ucs2);
1071 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))
1072 dir->d_m_name_ucs2 = NULL;
1074 /* Re-add it to the cache */
1075 if ((dircache_add(vol, dir)) != 0) {
1077 AFP_PANIC("dir_modify");
1085 * @brief Resolve a catalog node name path
1087 * 1. Evaluate path type
1088 * 2. Move to start dir, if we cant, it might eg because of EACCES, build
1089 * path from dirname, so eg getdirparams has sth it can chew on. curdir
1090 * is dir parent then. All this is done in path_from_dir().
1091 * 3. Parse next cnode name in path, cases:
1092 * 4. single "\0" -> do nothing
1093 * 5. two or more consecutive "\0" -> chdir("..") one or more times
1094 * 6. cnode name -> copy it to path.m_name
1095 * 7. Get unix name from mac name
1096 * 8. Special handling of request with did 1
1097 * 9. stat the cnode name
1098 * 10. If it's not there, it's probably an afp_createfile|dir,
1099 * return with curdir = dir parent, struct path = dirname
1100 * 11. If it's there and it's a file, it must should be the last element of the requested
1101 * path. Return with curdir = cnode name parent dir, struct path = filename
1102 * 12. Treat symlinks like files, dont follow them
1103 * 13. If it's a dir:
1104 * 14. Search the dircache for it
1105 * 15. If it's not in the cache, create a struct dir for it and add it to the cache
1106 * 16. chdir into the dir and
1107 * 17. set m_name to the mac equivalent of "."
1110 struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
1112 static char path[ MAXPATHLEN + 1];
1113 static struct path ret;
1123 LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstr(dir->d_fullpath));
1126 afp_errno = AFPERR_NOOBJ;
1127 memset(&ret, 0, sizeof(ret));
1129 switch (ret.m_type = *data) { /* 1 */
1132 len = (unsigned char) *data++;
1134 if (afp_version >= 30) {
1140 if (afp_version >= 30) {
1142 memcpy(&hint, data, sizeof(hint));
1144 data += sizeof(hint);
1146 memcpy(&len16, data, sizeof(len16));
1152 /* else it's an error */
1154 afp_errno = AFPERR_PARAM;
1157 *cpath += len + size;
1162 if (movecwd(vol, dir) < 0 ) {
1163 LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
1164 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1166 return path_from_dir(vol, dir, &ret);
1171 while (len) { /* 3 */
1172 if (*data == 0) { /* 4 or 5 */
1175 while (len > 0 && *data == 0) { /* 5 */
1176 /* chdir to parrent dir */
1177 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
1179 if (movecwd( vol, dir ) < 0 ) {
1180 dir_remove(vol, dir);
1190 for ( p = path; *data != 0 && len > 0; len-- ) {
1192 if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
1193 afp_errno = AFPERR_PARAM;
1197 *p = 0; /* Terminate string */
1200 if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
1201 LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
1205 LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstr(dir->d_fullpath), ret.u_name);
1207 /* Prevent access to our special folders like .AppleDouble */
1208 if (check_name(vol, ret.u_name)) {
1209 /* the name is illegal */
1210 LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
1211 afp_errno = AFPERR_PARAM;
1215 if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
1217 * Special case: CNID 1
1218 * root parent (did 1) has one child: the volume. Requests for did=1 with
1219 * some <name> must check against the volume name.
1221 if ((strcmp(cfrombstr(vol->v_root->d_m_name), ret.m_name)) == 0)
1227 * CNID != 1, eg. most of the times we take this way.
1228 * Now check if current path-part is a file or dir:
1229 * o if it's dir we have to step into it
1230 * o if it's a file we expect it to be the last part of the requested path
1231 * and thus call continue which should terminate the while loop because
1234 if (of_stat(&ret) != 0) { /* 9 */
1236 * ret.u_name doesn't exist, might be afp_createfile|dir
1237 * that means it should have been the last part
1240 /* it wasn't the last part, so we have a bogus path request */
1241 afp_errno = AFPERR_NOOBJ;
1245 * this will terminate clean in while (1) because len == 0,
1246 * probably afp_createfile|dir
1248 LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}",
1249 cfrombstr(dir->d_fullpath), ret.u_name);
1253 switch (ret.st.st_mode & S_IFMT) {
1254 case S_IFREG: /* 11 */
1255 LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}",
1256 cfrombstr(dir->d_fullpath), ret.u_name);
1258 /* it wasn't the last part, so we have a bogus path request */
1259 afp_errno = AFPERR_PARAM;
1262 continue; /* continues while loop */
1263 case S_IFLNK: /* 12 */
1264 LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}",
1265 cfrombstr(dir->d_fullpath), ret.u_name);
1267 LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}",
1268 cfrombstr(dir->d_fullpath), ret.u_name);
1269 afp_errno = AFPERR_PARAM;
1272 continue; /* continues while loop */
1273 case S_IFDIR: /* 13 */
1276 LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
1277 afp_errno = AFPERR_NODIR;
1281 /* Search the cache */
1282 int unamelen = strlen(ret.u_name);
1283 cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen, ret.st.st_ctime); /* 14 */
1285 /* Not in cache, create one */
1286 if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
1287 LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
1288 ntohl(dir->d_did), ret.u_name, getcwdpath());
1292 } /* if/else cnid==1 */
1294 /* Now chdir to the evaluated dir */
1295 if (movecwd( vol, cdir ) < 0 ) { /* 16 */
1296 LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
1297 cfrombstr(curdir->d_fullpath), cfrombstr(cdir->d_fullpath), strerror(errno));
1299 return path_from_dir(vol, cdir, &ret);
1304 ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
1307 if (curdir->d_did == DIRDID_ROOT_PARENT) {
1308 afp_errno = AFPERR_DID1;
1312 if (ret.m_name[0] == 0) {
1313 /* Last part was a dir */
1314 ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
1318 LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
1319 cfrombstr(dir->d_fullpath),
1320 cfrombstr(curdir->d_fullpath),
1327 * @brief chdir() to dir
1329 * @param vol (r) pointer to struct vol
1330 * @param dir (r) pointer to struct dir
1332 * @returns 0 on success, -1 on error with afp_errno set appropiately
1334 int movecwd(const struct vol *vol, struct dir *dir)
1341 LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
1342 curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
1344 if (dir->d_did == DIRDID_ROOT_PARENT) {
1345 curdir = &rootParent;
1349 LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
1350 ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
1352 if ((ret = lchdir(cfrombstr(dir->d_fullpath))) != 0 ) {
1353 LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): ret: %u, %s",
1354 cfrombstr(dir->d_fullpath), ret, strerror(errno));
1356 /* p is a symlink or getcwd failed */
1357 afp_errno = AFPERR_BADTYPE;
1359 if (chdir(vol->v_path ) < 0) {
1360 LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
1361 /* XXX what do we do here? */
1363 curdir = vol->v_root;
1370 afp_errno = AFPERR_ACCESS;
1373 afp_errno = AFPERR_NOOBJ;
1383 * We can't use unix file's perm to support Apple's inherited protection modes.
1384 * If we aren't the file's owner we can't change its perms when moving it and smb
1385 * nfs,... don't even try.
1387 #define AFP_CHECK_ACCESS
1389 int check_access(char *path, int mode)
1391 #ifdef AFP_CHECK_ACCESS
1399 accessmode(p, &ma, curdir, NULL);
1400 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
1402 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
1408 /* --------------------- */
1409 int file_access(struct path *path, int mode)
1413 accessmode(path->u_name, &ma, curdir, &path->st);
1415 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
1416 path->u_name, ma.ma_user);
1418 if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
1419 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
1422 if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
1423 LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
1430 /* --------------------- */
1431 void setdiroffcnt(struct dir *dir, struct stat *st, u_int32_t count)
1433 dir->offcnt = count;
1434 dir->ctime = st->st_ctime;
1435 dir->d_flags &= ~DIRF_CNID;
1439 /* ---------------------
1440 * is our cached also for reenumerate id?
1442 int dirreenumerate(struct dir *dir, struct stat *st)
1444 return st->st_ctime == dir->ctime && (dir->d_flags & DIRF_CNID);
1447 /* ------------------------------
1449 (name, dir) with curdir:name == dir, from afp_enumerate
1452 int getdirparams(const struct vol *vol,
1453 u_int16_t bitmap, struct path *s_path,
1455 char *buf, size_t *buflen )
1459 char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
1460 int bit = 0, isad = 0;
1466 struct stat *st = &s_path->st;
1467 char *upath = s_path->u_name;
1469 if ((bitmap & ((1 << DIRPBIT_ATTR) |
1470 (1 << DIRPBIT_CDATE) |
1471 (1 << DIRPBIT_MDATE) |
1472 (1 << DIRPBIT_BDATE) |
1473 (1 << DIRPBIT_FINFO)))) {
1475 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1476 if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
1478 if (ad.ad_md->adf_flags & O_CREAT) {
1479 /* We just created it */
1480 ad_setname(&ad, s_path->m_name);
1495 while ( bitmap != 0 ) {
1496 while (( bitmap & 1 ) == 0 ) {
1504 ad_getattr(&ad, &ashort);
1505 } else if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1506 ashort = htons(ATTRBIT_INVISIBLE);
1509 ashort |= htons(ATTRBIT_SHARED);
1510 memcpy( data, &ashort, sizeof( ashort ));
1511 data += sizeof( ashort );
1515 memcpy( data, &pdid, sizeof( pdid ));
1516 data += sizeof( pdid );
1517 LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
1518 s_path->u_name, ntohl(pdid));
1521 case DIRPBIT_CDATE :
1522 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1523 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1524 memcpy( data, &aint, sizeof( aint ));
1525 data += sizeof( aint );
1528 case DIRPBIT_MDATE :
1529 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1530 memcpy( data, &aint, sizeof( aint ));
1531 data += sizeof( aint );
1534 case DIRPBIT_BDATE :
1535 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1536 aint = AD_DATE_START;
1537 memcpy( data, &aint, sizeof( aint ));
1538 data += sizeof( aint );
1541 case DIRPBIT_FINFO :
1543 memcpy( data, ad_entry( &ad, ADEID_FINDERI ), 32 );
1544 } else { /* no appledouble */
1545 memset( data, 0, 32 );
1546 /* set default view -- this also gets done in ad_open() */
1547 ashort = htons(FINDERINFO_CLOSEDVIEW);
1548 memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
1550 /* dot files are by default visible */
1551 if (invisible_dots(vol, cfrombstr(dir->d_u_name))) {
1552 ashort = htons(FINDERINFO_INVISIBLE);
1553 memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
1559 case DIRPBIT_LNAME :
1560 if (dir->d_m_name) /* root of parent can have a null name */
1563 memset(data, 0, sizeof(u_int16_t));
1564 data += sizeof( u_int16_t );
1567 case DIRPBIT_SNAME :
1568 memset(data, 0, sizeof(u_int16_t));
1569 data += sizeof( u_int16_t );
1573 memcpy( data, &dir->d_did, sizeof( aint ));
1574 data += sizeof( aint );
1575 LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
1576 s_path->u_name, ntohl(dir->d_did));
1579 case DIRPBIT_OFFCNT :
1581 /* this needs to handle current directory access rights */
1582 if (diroffcnt(dir, st)) {
1583 ashort = (dir->offcnt > 0xffff)?0xffff:dir->offcnt;
1585 else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
1586 setdiroffcnt(dir, st, ret);
1587 ashort = (dir->offcnt > 0xffff)?0xffff:dir->offcnt;
1589 ashort = htons( ashort );
1590 memcpy( data, &ashort, sizeof( ashort ));
1591 data += sizeof( ashort );
1595 aint = htonl(st->st_uid);
1596 memcpy( data, &aint, sizeof( aint ));
1597 data += sizeof( aint );
1601 aint = htonl(st->st_gid);
1602 memcpy( data, &aint, sizeof( aint ));
1603 data += sizeof( aint );
1606 case DIRPBIT_ACCESS :
1607 accessmode( upath, &ma, dir , st);
1609 *data++ = ma.ma_user;
1610 *data++ = ma.ma_world;
1611 *data++ = ma.ma_group;
1612 *data++ = ma.ma_owner;
1615 /* Client has requested the ProDOS information block.
1616 Just pass back the same basic block for all
1617 directories. <shirsch@ibm.net> */
1618 case DIRPBIT_PDINFO :
1619 if (afp_version >= 30) { /* UTF8 name */
1620 utf8 = kTextEncodingUTF8;
1621 if (dir->d_m_name) /* root of parent can have a null name */
1624 memset(data, 0, sizeof(u_int16_t));
1625 data += sizeof( u_int16_t );
1627 memcpy(data, &aint, sizeof( aint ));
1628 data += sizeof( aint );
1630 else { /* ProDOS Info Block */
1633 ashort = htons( 0x0200 );
1634 memcpy( data, &ashort, sizeof( ashort ));
1635 data += sizeof( ashort );
1636 memset( data, 0, sizeof( ashort ));
1637 data += sizeof( ashort );
1641 case DIRPBIT_UNIXPR :
1642 aint = htonl(st->st_uid);
1643 memcpy( data, &aint, sizeof( aint ));
1644 data += sizeof( aint );
1645 aint = htonl(st->st_gid);
1646 memcpy( data, &aint, sizeof( aint ));
1647 data += sizeof( aint );
1650 aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
1651 memcpy( data, &aint, sizeof( aint ));
1652 data += sizeof( aint );
1654 accessmode( upath, &ma, dir , st);
1656 *data++ = ma.ma_user;
1657 *data++ = ma.ma_world;
1658 *data++ = ma.ma_group;
1659 *data++ = ma.ma_owner;
1664 ad_close_metadata( &ad );
1666 return( AFPERR_BITMAP );
1672 ashort = htons( data - buf );
1673 memcpy( l_nameoff, &ashort, sizeof( ashort ));
1674 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, 0);
1676 if ( utf_nameoff ) {
1677 ashort = htons( data - buf );
1678 memcpy( utf_nameoff, &ashort, sizeof( ashort ));
1679 data = set_name(vol, data, pdid, cfrombstr(dir->d_m_name), dir->d_did, utf8);
1682 ad_close_metadata( &ad );
1684 *buflen = data - buf;
1688 /* ----------------------------- */
1689 int path_error(struct path *path, int error)
1691 /* - a dir with access error
1692 * - no error it's a file
1695 if (path_isadir(path))
1697 if (path->st_valid && path->st_errno)
1699 return AFPERR_BADTYPE ;
1702 /* ----------------------------- */
1703 int afp_setdirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1708 u_int16_t vid, bitmap;
1714 memcpy( &vid, ibuf, sizeof( vid ));
1715 ibuf += sizeof( vid );
1717 if (NULL == ( vol = getvolbyvid( vid )) ) {
1718 return( AFPERR_PARAM );
1721 if (vol->v_flags & AFPVOL_RO)
1722 return AFPERR_VLOCK;
1724 memcpy( &did, ibuf, sizeof( did ));
1725 ibuf += sizeof( int );
1727 if (NULL == ( dir = dirlookup( vol, did )) ) {
1731 memcpy( &bitmap, ibuf, sizeof( bitmap ));
1732 bitmap = ntohs( bitmap );
1733 ibuf += sizeof( bitmap );
1735 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
1736 return get_afp_errno(AFPERR_NOOBJ);
1739 if ( *path->m_name != '\0' ) {
1740 rc = path_error(path, AFPERR_NOOBJ);
1741 /* maybe we are trying to set perms back */
1742 if (rc != AFPERR_ACCESS)
1747 * If ibuf is odd, make it even.
1749 if ((u_long)ibuf & 1 ) {
1753 if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
1754 setvoltime(obj, vol );
1760 * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
1762 * assume path == '\0' eg. it's a directory in canonical form
1764 int setdirparams(struct vol *vol, struct path *path, u_int16_t d_bitmap, char *buf )
1776 u_int16_t ashort, bshort, oshort;
1778 int change_mdate = 0;
1779 int change_parent_mdate = 0;
1781 u_int16_t bitmap = d_bitmap;
1782 u_char finder_buf[32];
1785 u_int16_t upriv_bit = 0;
1788 upath = path->u_name;
1790 while ( bitmap != 0 ) {
1791 while (( bitmap & 1 ) == 0 ) {
1799 memcpy( &ashort, buf, sizeof( ashort ));
1800 buf += sizeof( ashort );
1802 case DIRPBIT_CDATE :
1804 memcpy(&cdate, buf, sizeof(cdate));
1805 buf += sizeof( cdate );
1807 case DIRPBIT_MDATE :
1808 memcpy(&newdate, buf, sizeof(newdate));
1809 buf += sizeof( newdate );
1811 case DIRPBIT_BDATE :
1813 memcpy(&bdate, buf, sizeof(bdate));
1814 buf += sizeof( bdate );
1816 case DIRPBIT_FINFO :
1818 memcpy( finder_buf, buf, 32 );
1821 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1822 change_parent_mdate = 1;
1823 memcpy( &owner, buf, sizeof(owner));
1824 buf += sizeof( owner );
1827 change_parent_mdate = 1;
1828 memcpy( &group, buf, sizeof( group ));
1829 buf += sizeof( group );
1831 case DIRPBIT_ACCESS :
1833 change_parent_mdate = 1;
1834 ma.ma_user = *buf++;
1835 ma.ma_world = *buf++;
1836 ma.ma_group = *buf++;
1837 ma.ma_owner = *buf++;
1838 mpriv = mtoumode( &ma ) | vol->v_dperm;
1839 if (dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
1840 err = set_dir_errors(path, "setdirmode", errno);
1844 /* Ignore what the client thinks we should do to the
1845 ProDOS information block. Skip over the data and
1846 report nothing amiss. <shirsch@ibm.net> */
1847 case DIRPBIT_PDINFO :
1848 if (afp_version < 30) {
1852 err = AFPERR_BITMAP;
1856 case DIRPBIT_UNIXPR :
1857 if (vol_unix_priv(vol)) {
1858 memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
1859 buf += sizeof( owner );
1860 memcpy( &group, buf, sizeof( group ));
1861 buf += sizeof( group );
1864 change_parent_mdate = 1;
1865 memcpy( &upriv, buf, sizeof( upriv ));
1866 buf += sizeof( upriv );
1867 upriv = ntohl (upriv) | vol->v_dperm;
1868 if (dir_rx_set(upriv)) {
1869 /* maybe we are trying to set perms back */
1870 if ( setdirunixmode(vol, upath, upriv) < 0 ) {
1872 err = set_dir_errors(path, "setdirunixmode", errno);
1883 err = AFPERR_BITMAP;
1891 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1893 if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
1895 * Check to see what we're trying to set. If it's anything
1896 * but ACCESS, UID, or GID, give an error. If it's any of those
1897 * three, we don't need the ad to be open, so just continue.
1899 * note: we also don't need to worry about mdate. also, be quiet
1900 * if we're using the noadouble option.
1902 if (!vol_noadouble(vol) && (d_bitmap &
1903 ~((1<<DIRPBIT_ACCESS)|(1<<DIRPBIT_UNIXPR)|
1904 (1<<DIRPBIT_UID)|(1<<DIRPBIT_GID)|
1905 (1<<DIRPBIT_MDATE)|(1<<DIRPBIT_PDINFO)))) {
1906 return AFPERR_ACCESS;
1912 * Check to see if a create was necessary. If it was, we'll want
1913 * to set our name, etc.
1915 if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
1916 ad_setname(&ad, cfrombstr(curdir->d_m_name));
1922 while ( bitmap != 0 ) {
1923 while (( bitmap & 1 ) == 0 ) {
1931 ad_getattr(&ad, &bshort);
1933 if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
1934 bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
1938 if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
1939 change_parent_mdate = 1;
1940 ad_setattr(&ad, bshort);
1943 case DIRPBIT_CDATE :
1945 ad_setdate(&ad, AD_DATE_CREATE, cdate);
1948 case DIRPBIT_MDATE :
1950 case DIRPBIT_BDATE :
1952 ad_setdate(&ad, AD_DATE_BACKUP, bdate);
1955 case DIRPBIT_FINFO :
1957 /* Fixes #2802236 */
1958 u_int16_t *fflags = (u_int16_t *)(finder_buf + FINDERINFO_FRFLAGOFF);
1959 *fflags &= htons(~FINDERINFO_ISHARED);
1961 if ( dir->d_did == DIRDID_ROOT ) {
1963 * Alright, we admit it, this is *really* sick!
1964 * The 4 bytes that we don't copy, when we're dealing
1965 * with the root of a volume, are the directory's
1966 * location information. This eliminates that annoying
1967 * behavior one sees when mounting above another mount
1970 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 10 );
1971 memcpy( ad_entry( &ad, ADEID_FINDERI ) + 14, finder_buf + 14, 18 );
1973 memcpy( ad_entry( &ad, ADEID_FINDERI ), finder_buf, 32 );
1977 case DIRPBIT_UID : /* What kind of loser mounts as root? */
1978 if ( (dir->d_did == DIRDID_ROOT) &&
1979 (setdeskowner( ntohl(owner), -1 ) < 0)) {
1980 err = set_dir_errors(path, "setdeskowner", errno);
1981 if (isad && err == AFPERR_PARAM) {
1982 err = AFP_OK; /* ???*/
1985 goto setdirparam_done;
1988 if ( setdirowner(vol, upath, ntohl(owner), -1 ) < 0 ) {
1989 err = set_dir_errors(path, "setdirowner", errno);
1990 goto setdirparam_done;
1994 if (dir->d_did == DIRDID_ROOT)
1995 setdeskowner( -1, ntohl(group) );
1996 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
1997 err = set_dir_errors(path, "setdirowner", errno);
1998 goto setdirparam_done;
2001 case DIRPBIT_ACCESS :
2002 if (dir->d_did == DIRDID_ROOT) {
2004 if (!dir_rx_set(mpriv)) {
2005 /* we can't remove read and search for owner on volume root */
2006 err = AFPERR_ACCESS;
2007 goto setdirparam_done;
2011 if (!dir_rx_set(mpriv) && setdirmode( vol, upath, mpriv) < 0 ) {
2012 err = set_dir_errors(path, "setdirmode", errno);
2013 goto setdirparam_done;
2016 case DIRPBIT_PDINFO :
2017 if (afp_version >= 30) {
2018 err = AFPERR_BITMAP;
2019 goto setdirparam_done;
2022 case DIRPBIT_UNIXPR :
2023 if (vol_unix_priv(vol)) {
2024 if (dir->d_did == DIRDID_ROOT) {
2025 if (!dir_rx_set(upriv)) {
2026 /* we can't remove read and search for owner on volume root */
2027 err = AFPERR_ACCESS;
2028 goto setdirparam_done;
2030 setdeskowner( -1, ntohl(group) );
2031 setdeskmode( upriv );
2033 if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
2034 err = set_dir_errors(path, "setdirowner", errno);
2035 goto setdirparam_done;
2038 if ( upriv_bit && setdirunixmode(vol, upath, upriv) < 0 ) {
2039 err = set_dir_errors(path, "setdirunixmode", errno);
2040 goto setdirparam_done;
2044 err = AFPERR_BITMAP;
2045 goto setdirparam_done;
2049 err = AFPERR_BITMAP;
2050 goto setdirparam_done;
2059 if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
2060 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2064 ad_setdate(&ad, AD_DATE_MODIFY, newdate);
2065 ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
2070 if (path->st_valid && !path->st_errno) {
2071 struct stat *st = &path->st;
2073 if (dir && dir->d_pdid) {
2074 ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
2078 ad_close_metadata( &ad);
2081 if (change_parent_mdate && dir->d_did != DIRDID_ROOT
2082 && gettimeofday(&tv, NULL) == 0) {
2083 if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
2084 newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
2085 /* be careful with bitmap because now dir is null */
2086 bitmap = 1<<DIRPBIT_MDATE;
2087 setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
2088 /* should we reset curdir ?*/
2095 int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2109 memcpy( &vid, ibuf, sizeof( vid ));
2110 ibuf += sizeof( vid );
2111 if (NULL == (vol = getvolbyvid( vid )) ) {
2112 return( AFPERR_PARAM );
2115 memcpy( &did, ibuf, sizeof( did ));
2116 ibuf += sizeof( did );
2120 * if it's CNID 2 our only choice to meet the specs is call sync.
2121 * For any other CNID just sync that dir. To my knowledge the
2122 * intended use of FPSyncDir is to sync the volume so all we're
2123 * ever going to see here is probably CNID 2. Anyway, we' prepared.
2126 if ( ntohl(did) == 2 ) {
2129 if (NULL == ( dir = dirlookup( vol, did )) ) {
2130 return afp_errno; /* was AFPERR_NOOBJ */
2133 if (movecwd( vol, dir ) < 0 )
2134 return ( AFPERR_NOOBJ );
2137 * Assuming only OSens that have dirfd also may require fsyncing directories
2138 * in order to flush metadata e.g. Linux.
2142 if (NULL == ( dp = opendir( "." )) ) {
2145 return( AFPERR_NOOBJ );
2147 return( AFPERR_ACCESS );
2149 return( AFPERR_PARAM );
2153 LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
2156 if ( fsync ( dfd ) < 0 )
2157 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2158 dir->d_u_name, strerror(errno) );
2159 closedir(dp); /* closes dfd too */
2162 if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
2165 return( AFPERR_NOOBJ );
2167 return( AFPERR_ACCESS );
2169 return( AFPERR_PARAM );
2173 LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
2174 vol->ad_path(".", ADFLAGS_DIR) );
2176 if ( fsync(dfd) < 0 )
2177 LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
2178 vol->ad_path(cfrombstr(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
2185 int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2191 struct path *s_path;
2199 memcpy( &vid, ibuf, sizeof( vid ));
2200 ibuf += sizeof( vid );
2201 if (NULL == ( vol = getvolbyvid( vid )) ) {
2202 return( AFPERR_PARAM );
2205 if (vol->v_flags & AFPVOL_RO)
2206 return AFPERR_VLOCK;
2208 memcpy( &did, ibuf, sizeof( did ));
2209 ibuf += sizeof( did );
2210 if (NULL == ( dir = dirlookup( vol, did )) ) {
2211 return afp_errno; /* was AFPERR_NOOBJ */
2213 /* for concurrent access we need to be sure we are not in the
2214 * folder we want to create...
2218 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
2219 return get_afp_errno(AFPERR_PARAM);
2221 /* cname was able to move curdir to it! */
2222 if (*s_path->m_name == '\0')
2223 return AFPERR_EXIST;
2225 upath = s_path->u_name;
2227 if (AFP_OK != (err = netatalk_mkdir(vol, upath))) {
2231 if (of_stat(s_path) < 0) {
2237 if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
2241 if ( movecwd( vol, dir ) < 0 ) {
2242 return( AFPERR_PARAM );
2245 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2246 if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
2247 if (vol_noadouble(vol))
2248 goto createdir_done;
2249 return( AFPERR_ACCESS );
2251 ad_setname(&ad, s_path->m_name);
2252 ad_setid( &ad, s_path->st.st_dev, s_path->st.st_ino, dir->d_did, did, vol->v_stamp);
2255 ad_close_metadata( &ad);
2258 memcpy( rbuf, &dir->d_did, sizeof( u_int32_t ));
2259 *rbuflen = sizeof( u_int32_t );
2260 setvoltime(obj, vol );
2265 * dst new unix filename (not a pathname)
2266 * newname new mac name
2268 * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
2270 int renamedir(const struct vol *vol,
2275 struct dir *newparent,
2281 /* existence check moved to afp_moveandrename */
2282 if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
2285 return( AFPERR_NOOBJ );
2287 return( AFPERR_ACCESS );
2289 return AFPERR_VLOCK;
2291 /* tried to move directory into a subdirectory of itself */
2292 return AFPERR_CANTMOVE;
2294 /* this needs to copy and delete. bleah. that means we have
2295 * to deal with entire directory hierarchies. */
2296 if ((err = copydir(vol, dirfd, src, dst)) < 0) {
2300 if ((err = deletedir(dirfd, src)) < 0)
2304 return( AFPERR_PARAM );
2308 vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
2310 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2312 if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
2313 ad_setname(&ad, newname);
2315 ad_close_metadata( &ad);
2321 /* delete an empty directory */
2322 int deletecurdir(struct vol *vol)
2326 struct dir *fdir, *pdir;
2332 if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
2333 return( AFPERR_ACCESS );
2338 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2339 /* we never want to create a resource fork here, we are going to delete it */
2340 if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
2342 ad_getattr(&ad, &ashort);
2343 ad_close_metadata(&ad);
2344 if ((ashort & htons(ATTRBIT_NODELETE))) {
2345 return AFPERR_OLOCK;
2348 err = vol->vfs->vfs_deletecurdir(vol);
2350 LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
2351 curdir->d_fullpath);
2355 /* now get rid of dangling symlinks */
2356 if ((dp = opendir("."))) {
2357 while ((de = readdir(dp))) {
2358 /* skip this and previous directory */
2359 if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
2362 /* bail if it's not a symlink */
2363 if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
2364 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
2365 curdir->d_fullpath);
2367 return AFPERR_DIRNEMPT;
2370 if ((err = netatalk_unlink(de->d_name))) {
2377 if (movecwd(vol, pdir) < 0) {
2382 LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
2383 cfrombstr(curdir->d_fullpath));
2385 err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
2386 if ( err == AFP_OK || err == AFPERR_NOOBJ) {
2387 cnid_delete(vol->v_cdb, fdir->d_did);
2388 dir_remove( vol, fdir );
2390 LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
2391 curdir->d_fullpath);
2396 /* inode is used as key for cnid.
2397 * Close the descriptor only after cnid_delete
2405 int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2415 sfunc = (unsigned char) *ibuf++;
2418 if (sfunc >= 3 && sfunc <= 6) {
2419 if (afp_version < 30) {
2420 return( AFPERR_PARAM );
2427 case 3 :/* unicode */
2428 memcpy( &id, ibuf, sizeof( id ));
2431 if (( pw = getpwuid( id )) == NULL ) {
2432 return( AFPERR_NOITEM );
2434 len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
2435 pw->pw_name, -1, &name);
2442 case 4 : /* unicode */
2443 memcpy( &id, ibuf, sizeof( id ));
2446 if (NULL == ( gr = (struct group *)getgrgid( id ))) {
2447 return( AFPERR_NOITEM );
2449 len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
2450 gr->gr_name, -1, &name);
2457 case 5 : /* UUID -> username */
2458 case 6 : /* UUID -> groupname */
2459 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2460 return AFPERR_PARAM;
2461 LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
2463 len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
2464 if (len != 0) /* its a error code, not len */
2465 return AFPERR_NOITEM;
2468 if (( pw = getpwnam( name )) == NULL )
2469 return( AFPERR_NOITEM );
2470 LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
2471 id = htonl(UUID_USER);
2472 memcpy( rbuf, &id, sizeof( id ));
2473 id = htonl( pw->pw_uid);
2474 rbuf += sizeof( id );
2475 memcpy( rbuf, &id, sizeof( id ));
2476 rbuf += sizeof( id );
2477 *rbuflen = 2 * sizeof( id );
2480 if (( gr = getgrnam( name )) == NULL )
2481 return( AFPERR_NOITEM );
2482 LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
2483 id = htonl(UUID_GROUP);
2484 memcpy( rbuf, &id, sizeof( id ));
2485 rbuf += sizeof( id );
2486 id = htonl( gr->gr_gid);
2487 memcpy( rbuf, &id, sizeof( id ));
2488 rbuf += sizeof( id );
2489 *rbuflen = 2 * sizeof( id );
2493 return (AFPERR_NOITEM);
2500 return( AFPERR_PARAM );
2504 len = strlen( name );
2507 u_int16_t tp = htons(len);
2508 memcpy(rbuf, &tp, sizeof(tp));
2517 memcpy( rbuf, name, len );
2525 int afp_mapname(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2534 sfunc = (unsigned char) *ibuf++;
2536 LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d, afp_version: %d", sfunc, afp_version);
2539 case 2 : /* unicode */
2540 if (afp_version < 30) {
2541 return( AFPERR_PARAM );
2543 memcpy(&ulen, ibuf, sizeof(ulen));
2546 LOG(log_debug, logtype_afpd, "afp_mapname: alive");
2550 len = (unsigned char) *ibuf++;
2552 case 5 : /* username -> UUID */
2553 case 6 : /* groupname -> UUID */
2554 if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
2555 return AFPERR_PARAM;
2556 memcpy(&ulen, ibuf, sizeof(ulen));
2561 return( AFPERR_PARAM );
2567 return AFPERR_PARAM;
2570 case 1 : /* unicode */
2572 if (NULL == ( pw = (struct passwd *)getpwnam( ibuf )) ) {
2573 return( AFPERR_NOITEM );
2577 memcpy( rbuf, &id, sizeof( id ));
2578 *rbuflen = sizeof( id );
2581 case 2 : /* unicode */
2583 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
2584 if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
2585 return( AFPERR_NOITEM );
2588 LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
2590 memcpy( rbuf, &id, sizeof( id ));
2591 *rbuflen = sizeof( id );
2593 case 5 : /* username -> UUID */
2594 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2595 if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)rbuf))
2596 return AFPERR_NOITEM;
2597 *rbuflen = UUID_BINSIZE;
2599 case 6 : /* groupname -> UUID */
2600 LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
2601 if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
2602 return AFPERR_NOITEM;
2603 *rbuflen = UUID_BINSIZE;
2610 /* ------------------------------------
2611 variable DID support
2613 int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2624 /* do nothing as dids are static for the life of the process. */
2628 memcpy(&vid, ibuf, sizeof( vid ));
2629 ibuf += sizeof( vid );
2630 if (( vol = getvolbyvid( vid )) == NULL ) {
2631 return( AFPERR_PARAM );
2634 memcpy( &did, ibuf, sizeof( did ));
2635 ibuf += sizeof( did );
2636 if (( dir = dirlookup( vol, did )) == NULL ) {
2637 return( AFPERR_PARAM );
2640 /* dir_remove -- deletedid */
2646 /* did creation gets done automatically
2647 * there's a pb again with case but move it to cname
2649 int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2652 struct dir *parentdir;
2660 memcpy(&vid, ibuf, sizeof(vid));
2661 ibuf += sizeof( vid );
2663 if (NULL == ( vol = getvolbyvid( vid )) ) {
2664 return( AFPERR_PARAM );
2667 memcpy(&did, ibuf, sizeof(did));
2668 ibuf += sizeof(did);
2670 if (NULL == ( parentdir = dirlookup( vol, did )) ) {
2674 if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
2675 return get_afp_errno(AFPERR_PARAM);
2678 if ( *path->m_name != '\0' ) {
2679 return path_error(path, AFPERR_NOOBJ);
2682 if ( !path->st_valid && of_stat(path ) < 0 ) {
2683 return( AFPERR_NOOBJ );
2685 if ( path->st_errno ) {
2686 return( AFPERR_NOOBJ );
2689 memcpy(rbuf, &curdir->d_did, sizeof(curdir->d_did));
2690 *rbuflen = sizeof(curdir->d_did);