2 * $Id: filedir.c,v 1.45.2.2.2.14.2.7 2009-09-01 12:34:38 franklahm Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
17 #else /* STDC_HEADERS */
21 #endif /* HAVE_STRCHR */
22 char *strchr (), *strrchr ();
24 #define memcpy(d,s,n) bcopy ((s), (d), (n))
25 #define memmove(d,s,n) bcopy ((s), (d), (n))
26 #endif /* ! HAVE_MEMCPY */
27 #endif /* STDC_HEADERS */
34 #include <sys/param.h>
35 #include <atalk/adouble.h>
37 #include <atalk/afp.h>
38 #include <atalk/util.h>
39 #include <atalk/cnid.h>
40 #include <atalk/logger.h>
42 #include "directory.h"
52 int matchfile2dirperms(upath, vol, did)
53 /* Since it's kinda' big; I decided against an
58 /* The below code changes the way file ownership is determined in the name of
59 fixing dropboxes. It has known security problem. See the netatalk FAQ for
68 LOG(log_info, logtype_afpd, "begin matchfile2dirperms:");
71 if (stat(upath, &st ) < 0) {
72 LOG(log_error, logtype_afpd, "Could not stat %s: %s", upath, strerror(errno));
76 adpath = vol->ad_path( upath, ADFLAGS_HF );
77 /* FIXME dirsearch doesn't move cwd to did ! */
78 if (( dir = dirlookup( vol, did )) == NULL ) {
79 LOG(log_error, logtype_afpd, "matchfile2dirperms: Unable to get directory info.");
82 else if (stat(".", &sb) < 0) {
83 LOG(log_error, logtype_afpd,
84 "matchfile2dirperms: Error checking directory \"%s\": %s",
85 dir->d_m_name, strerror(errno));
90 if ( uid != sb.st_uid )
93 if (lchown(upath, sb.st_uid, sb.st_gid) < 0)
95 LOG(log_error, logtype_afpd,
96 "matchfile2dirperms(%s): Error changing owner/gid: %s",
97 upath, strerror(errno));
100 else if (chmod(upath,(st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0)
102 LOG(log_error, logtype_afpd,
103 "matchfile2dirperms(%s): Error adding file read permissions: %s",
104 upath, strerror(errno));
107 else if (lchown(adpath, sb.st_uid, sb.st_gid) < 0)
109 LOG(log_error, logtype_afpd,
110 "matchfile2dirperms(%s): Error changing AppleDouble owner/gid: %s",
111 adpath, strerror(errno));
114 else if (chmod(adpath, (st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0)
116 LOG(log_error, logtype_afpd,
117 "matchfile2dirperms(%s): Error adding AD file read permissions: %s",
118 adpath, strerror(errno));
123 } /* end else if stat success */
126 LOG(log_info, logtype_afpd, "end matchfile2dirperms:");
132 int afp_getfildirparams(obj, ibuf, ibuflen, rbuf, rbuflen )
135 int ibuflen _U_, *rbuflen;
142 u_int16_t fbitmap, dbitmap, vid;
146 LOG(log_info, logtype_afpd, "begin afp_getfildirparams:");
152 memcpy( &vid, ibuf, sizeof( vid ));
153 ibuf += sizeof( vid );
154 if (NULL == ( vol = getvolbyvid( vid )) ) {
155 return( AFPERR_PARAM );
158 memcpy( &did, ibuf, sizeof( did ));
159 ibuf += sizeof( did );
161 if (NULL == ( dir = dirlookup( vol, did )) ) {
165 memcpy( &fbitmap, ibuf, sizeof( fbitmap ));
166 fbitmap = ntohs( fbitmap );
167 ibuf += sizeof( fbitmap );
168 memcpy( &dbitmap, ibuf, sizeof( dbitmap ));
169 dbitmap = ntohs( dbitmap );
170 ibuf += sizeof( dbitmap );
172 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
173 return get_afp_errno(AFPERR_NOOBJ);
177 if (!s_path->st_valid) {
178 /* it's a dir and it should be there
179 * because we chdir in it in cname or
180 * it's curdir (maybe deleted, but then we can't know).
181 * So we need to try harder.
183 of_statdir(vol, s_path);
185 if ( s_path->st_errno != 0 ) {
186 return( AFPERR_NOOBJ );
190 if (S_ISDIR(st->st_mode)) {
196 ret = getdirparams(vol, dbitmap, s_path, dir,
197 rbuf + 3 * sizeof( u_int16_t ), &buflen );
201 /* this is a directory */
202 *(rbuf + 2 * sizeof( u_int16_t )) = (char) FILDIRBIT_ISDIR;
204 if (fbitmap && AFP_OK != (ret = getfilparams(vol, fbitmap, s_path, curdir,
205 rbuf + 3 * sizeof( u_int16_t ), &buflen )) ) {
209 *(rbuf + 2 * sizeof( u_int16_t )) = FILDIRBIT_ISFILE;
211 *rbuflen = buflen + 3 * sizeof( u_int16_t );
212 fbitmap = htons( fbitmap );
213 memcpy( rbuf, &fbitmap, sizeof( fbitmap ));
214 rbuf += sizeof( fbitmap );
215 dbitmap = htons( dbitmap );
216 memcpy( rbuf, &dbitmap, sizeof( dbitmap ));
217 rbuf += sizeof( dbitmap ) + sizeof( u_char );
221 LOG(log_info, logtype_afpd, "end afp_getfildirparams:");
227 int afp_setfildirparams(obj, ibuf, ibuflen, rbuf, rbuflen )
229 char *ibuf, *rbuf _U_;
230 int ibuflen _U_, *rbuflen;
236 u_int16_t vid, bitmap;
240 LOG(log_info, logtype_afpd, "begin afp_setfildirparams:");
245 memcpy( &vid, ibuf, sizeof(vid));
246 ibuf += sizeof( vid );
248 if (NULL == ( vol = getvolbyvid( vid )) ) {
249 return( AFPERR_PARAM );
252 if (vol->v_flags & AFPVOL_RO)
255 memcpy( &did, ibuf, sizeof( did));
256 ibuf += sizeof( did);
258 if (NULL == ( dir = dirlookup( vol, did )) ) {
262 memcpy( &bitmap, ibuf, sizeof( bitmap ));
263 bitmap = ntohs( bitmap );
264 ibuf += sizeof( bitmap );
266 if (NULL == ( path = cname( vol, dir, &ibuf ))) {
267 return get_afp_errno(AFPERR_NOOBJ);
271 if (!path->st_valid) {
272 /* it's a dir and it should be there
273 * because we chdir in it in cname
275 of_statdir(vol, path);
278 if ( path->st_errno != 0 ) {
279 return( AFPERR_NOOBJ );
282 * If ibuf is odd, make it even.
284 if ((u_long)ibuf & 1 ) {
288 if (S_ISDIR(st->st_mode)) {
289 rc = setdirparams(vol, path, bitmap, ibuf );
291 rc = setfilparams(vol, path, bitmap, ibuf );
293 if ( rc == AFP_OK ) {
294 setvoltime(obj, vol );
298 LOG(log_info, logtype_afpd, "end afp_setfildirparams:");
304 /* --------------------------------------------
305 Factorise some checks on a pathname
307 int check_name(const struct vol *vol, char *name)
309 /* check for illegal characters in the unix filename */
310 if (!wincheck(vol, name))
313 if ((vol->v_flags & AFPVOL_NOHEX) && strchr(name, '/'))
316 if (!vol->validupath(vol, name)) {
317 LOG(log_info, logtype_afpd, "check_name: illegal name: '%s'", name);
321 /* check for vetoed filenames */
322 if (veto_file(vol->v_veto, name))
327 /* -------------------------
328 move and rename sdir:oldname to curdir:newname in volume vol
330 special care is needed for lock
332 static int moveandrename(vol, sdir, oldname, newname, isdir)
333 const struct vol *vol;
342 struct stat *st, nst;
346 struct ofork *opened = NULL;
350 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
355 p = mtoupath(vol, oldname, sdir->d_did, utf8_encoding());
357 return AFPERR_PARAM; /* can't convert */
359 id = cnid_get(vol->v_cdb, sdir->d_did, p, strlen(p));
360 p = ctoupath( vol, sdir, oldname );
362 return AFPERR_PARAM; /* pathname too long */
366 if ((opened = of_findname(&path))) {
367 /* reuse struct adouble so it won't break locks */
372 id = sdir->d_did; /* we already have the CNID */
373 p = ctoupath( vol, sdir->d_parent, oldname );
377 adflags = ADFLAGS_DIR;
380 * p now points to the full pathname of the source fs object.
382 * we are in the dest folder so we need to use p for ad_open
385 if (!ad_metadata(p, adflags, adp)) {
388 ad_getattr(adp, &bshort);
389 ad_close( adp, ADFLAGS_HF );
390 if ((bshort & htons(ATTRBIT_NORENAME)))
391 return(AFPERR_OLOCK);
394 if (NULL == (upath = mtoupath(vol, newname, curdir->d_did, utf8_encoding()))){
399 if (0 != (rc = check_name(vol, upath))) {
403 /* source == destination. we just silently accept this. */
404 if ((!isdir && curdir == sdir) || (isdir && curdir == sdir->d_parent)) {
405 if (strcmp(oldname, newname) == 0)
408 if (stat(upath, st) == 0) {
409 if (!stat(p, &nst) && !(nst.st_dev == st->st_dev && nst.st_ino == st->st_ino) ) {
410 /* not the same file */
415 } else if (stat(upath, st ) == 0)
420 path.st_errno = errno;
421 if (of_findname(&path)) {
422 rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
424 rc = renamefile(vol, p, upath, newname, adp );
426 of_rename(vol, opened, sdir, oldname, curdir, newname);
429 rc = renamedir(vol, p, upath, sdir, curdir, newname);
431 if ( rc == AFP_OK && id ) {
432 /* renaming may have moved the file/dir across a filesystem */
433 if (stat(upath, st) < 0)
436 /* fix up the catalog entry */
437 cnid_update(vol->v_cdb, id, st, curdir->d_did, upath, strlen(upath));
443 /* -------------------------------------------- */
444 int afp_rename(obj, ibuf, ibuflen, rbuf, rbuflen )
446 char *ibuf, *rbuf _U_;
447 int ibuflen _U_, *rbuflen;
451 char *oldname, *newname;
459 LOG(log_info, logtype_afpd, "begin afp_rename:");
465 memcpy( &vid, ibuf, sizeof( vid ));
466 ibuf += sizeof( vid );
467 if (NULL == ( vol = getvolbyvid( vid )) ) {
468 return( AFPERR_PARAM );
471 if (vol->v_flags & AFPVOL_RO)
474 memcpy( &did, ibuf, sizeof( did ));
475 ibuf += sizeof( did );
476 if (NULL == ( sdir = dirlookup( vol, did )) ) {
480 /* source pathname */
481 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
482 return get_afp_errno(AFPERR_NOOBJ);
486 newname = obj->newtmp;
487 oldname = obj->oldtmp;
488 isdir = path_isadir(path);
489 if ( *path->m_name != '\0' ) {
490 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
492 /* curdir parent dir, need to move sdir back */
497 if ( sdir->d_parent == NULL ) { /* root directory */
498 return( AFPERR_NORENAME );
500 /* move to destination dir */
501 if ( movecwd( vol, sdir->d_parent ) < 0 ) {
504 strcpy(oldname, sdir->d_m_name);
507 /* another place where we know about the path type */
508 if ((plen = copy_path_name(vol, newname, ibuf)) < 0) {
509 return( AFPERR_PARAM );
513 return AFP_OK; /* newname == oldname same dir */
516 rc = moveandrename(vol, sdir, oldname, newname, isdir);
518 if ( rc == AFP_OK ) {
519 setvoltime(obj, vol );
523 LOG(log_info, logtype_afpd, "end afp_rename:");
529 /* ------------------------------- */
530 int afp_delete(obj, ibuf, ibuflen, rbuf, rbuflen )
532 char *ibuf, *rbuf _U_;
533 int ibuflen _U_, *rbuflen;
543 LOG(log_info, logtype_afpd, "begin afp_delete:");
549 memcpy( &vid, ibuf, sizeof( vid ));
550 ibuf += sizeof( vid );
551 if (NULL == ( vol = getvolbyvid( vid )) ) {
552 return( AFPERR_PARAM );
555 if (vol->v_flags & AFPVOL_RO)
558 memcpy( &did, ibuf, sizeof( did ));
559 ibuf += sizeof( int );
560 if (NULL == ( dir = dirlookup( vol, did )) ) {
564 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
565 return get_afp_errno(AFPERR_NOOBJ);
568 upath = s_path->u_name;
569 if ( path_isadir( s_path) ) {
570 if (*s_path->m_name != '\0') {
574 rc = deletecurdir( vol, obj->oldtmp);
576 } else if (of_findname(s_path)) {
579 rc = deletefile(vol, upath, 1);
581 if ( rc == AFP_OK ) {
583 setvoltime(obj, vol );
587 LOG(log_info, logtype_afpd, "end afp_delete:");
592 /* ------------------------ */
593 char *absupath( vol, dir, u )
594 const struct vol *vol;
599 static char path[ MAXPATHLEN + 1];
606 p = path + sizeof( path ) - 1;
611 if (dir) for ( d = dir; d->d_parent; d = d->d_parent ) {
614 if (p -len -1 < path) {
616 rather rare so LOG error and/or client message ?
624 len = strlen( vol->v_path );
625 if (p -len -1 < path) {
630 memcpy( p, vol->v_path, len );
635 /* ------------------------
636 * FIXME dir could be NULL
638 char *ctoupath( vol, dir, name )
639 const struct vol *vol;
643 return absupath(vol, dir, mtoupath(vol, name, dir->d_did, utf8_encoding()));
646 /* ------------------------- */
647 int afp_moveandrename(obj, ibuf, ibuflen, rbuf, rbuflen )
649 char *ibuf, *rbuf _U_;
650 int ibuflen _U_, *rbuflen;
653 struct dir *sdir, *ddir;
655 char *oldname, *newname;
664 #endif /* DROPKLUDGE */
667 LOG(log_info, logtype_afpd, "begin afp_moveandrename:");
673 memcpy( &vid, ibuf, sizeof( vid ));
674 ibuf += sizeof( vid );
675 if (NULL == ( vol = getvolbyvid( vid )) ) {
676 return( AFPERR_PARAM );
679 if (vol->v_flags & AFPVOL_RO)
682 /* source did followed by dest did */
683 memcpy( &did, ibuf, sizeof( did ));
684 ibuf += sizeof( int );
685 if (NULL == ( sdir = dirlookup( vol, did )) ) {
686 return afp_errno; /* was AFPERR_PARAM */
689 memcpy( &did, ibuf, sizeof( did ));
690 ibuf += sizeof( int );
692 /* source pathname */
693 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
694 return get_afp_errno(AFPERR_NOOBJ);
698 newname = obj->newtmp;
699 oldname = obj->oldtmp;
701 isdir = path_isadir(path);
702 if ( *path->m_name != '\0' ) {
706 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
708 strcpy(oldname, sdir->d_m_name);
711 /* get the destination directory */
712 if (NULL == ( ddir = dirlookup( vol, did )) ) {
713 return afp_errno; /* was AFPERR_PARAM */
715 if (NULL == ( path = cname( vol, ddir, &ibuf ))) {
716 return( AFPERR_NOOBJ );
718 pdid = curdir->d_did;
719 if ( *path->m_name != '\0' ) {
720 return path_error(path, AFPERR_NOOBJ);
723 /* one more place where we know about path type */
724 if ((plen = copy_path_name(vol, newname, ibuf)) < 0) {
725 return( AFPERR_PARAM );
729 strcpy(newname, oldname);
732 rc = moveandrename(vol, sdir, oldname, newname, isdir);
734 if ( rc == AFP_OK ) {
735 char *upath = mtoupath(vol, newname, pdid, utf8_encoding());
743 if (vol->v_flags & AFPVOL_DROPBOX) {
744 /* FIXME did is not always the source id */
745 if ((retvalue=matchfile2dirperms (upath, vol, did)) != AFP_OK) {
750 #endif /* DROPKLUDGE */
751 /* if unix priv don't try to match perm with dest folder */
752 if (!isdir && !vol_unix_priv(vol)) {
753 int admode = ad_mode("", 0777) | vol->v_fperm;
755 setfilmode(upath, admode, NULL);
756 setfilmode(vol->ad_path( upath, ADFLAGS_HF ), ad_hf_mode(admode), NULL);
758 setvoltime(obj, vol );
762 LOG(log_info, logtype_afpd, "end afp_moveandrename:");
768 int veto_file(const char*veto_str, const char*path)
769 /* given a veto_str like "abc/zxc/" and path "abc", return 1
770 * veto_str should be '/' delimited
771 * if path matches any one of the veto_str elements exactly, then 1 is returned
772 * otherwise, 0 is returned.
775 int i; /* index to veto_str */
776 int j; /* index to path */
778 if ((veto_str == NULL) || (path == NULL))
781 for(i=0, j=0; veto_str[i] != '\0'; i++) {
782 if (veto_str[i] == '/') {
783 if ((j>0) && (path[j] == '\0')) {
784 LOG(log_info, logtype_afpd, "vetoed file:'%s'", path);
789 if (veto_str[i] != path[j]) {
790 while ((veto_str[i] != '/')
791 && (veto_str[i] != '\0'))