2 * $Id: filedir.c,v 1.45.2.2.2.12 2004-08-11 03:13:21 bfernhomberg 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, *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 )
230 int ibuflen, *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))
319 /* check for vetoed filenames */
320 if (veto_file(vol->v_veto, name))
325 /* -------------------------
326 move and rename sdir:oldname to curdir:newname in volume vol
328 special care is needed for lock
330 static int moveandrename(vol, sdir, oldname, newname, isdir)
331 const struct vol *vol;
344 struct ofork *opened = NULL;
347 ucs2_t *oldname_w, *newname_w;
348 void *oldname_w_p = &oldname_w, *newname_w_p = &newname_w;
350 ad_init(&ad, vol->v_adouble);
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 (curdir == sdir) {
405 if (strcmp(oldname, newname) == 0)
408 /* deal with case insensitive, case-preserving filesystems. */
409 if ((stat(upath, st) == 0)) {
410 if ((size_t)-1 == (convert_string_allocate(vol->v_volcharset, CH_UCS2, oldname,
411 strlen(oldname), oldname_w_p)) ) {
412 return AFPERR_MISC; /* conversion error has already been logged */
414 if ((size_t)-1 == (convert_string_allocate(vol->v_volcharset, CH_UCS2, newname,
415 strlen(newname), newname_w_p)) ) {
417 return AFPERR_MISC; /* conversion error has already been logged */
419 if (!strcasecmp_w(oldname_w, newname_w)) {
427 } else if (stat(upath, st ) == 0)
432 path.st_errno = errno;
433 if (of_findname(&path)) {
434 rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
436 rc = renamefile(vol, p, upath, newname, adp );
438 of_rename(vol, opened, sdir, oldname, curdir, newname);
441 rc = renamedir(vol, p, upath, sdir, curdir, newname);
443 if ( rc == AFP_OK && id ) {
444 /* renaming may have moved the file/dir across a filesystem */
445 if (stat(upath, st) < 0)
448 /* fix up the catalog entry */
449 cnid_update(vol->v_cdb, id, st, curdir->d_did, upath, strlen(upath));
455 /* -------------------------------------------- */
456 int afp_rename(obj, ibuf, ibuflen, rbuf, rbuflen )
459 int ibuflen, *rbuflen;
463 char *oldname, *newname;
471 LOG(log_info, logtype_afpd, "begin afp_rename:");
477 memcpy( &vid, ibuf, sizeof( vid ));
478 ibuf += sizeof( vid );
479 if (NULL == ( vol = getvolbyvid( vid )) ) {
480 return( AFPERR_PARAM );
483 if (vol->v_flags & AFPVOL_RO)
486 memcpy( &did, ibuf, sizeof( did ));
487 ibuf += sizeof( did );
488 if (NULL == ( sdir = dirlookup( vol, did )) ) {
492 /* source pathname */
493 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
494 return get_afp_errno(AFPERR_NOOBJ);
498 newname = obj->newtmp;
499 oldname = obj->oldtmp;
500 isdir = path_isadir(path);
501 if ( *path->m_name != '\0' ) {
502 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
504 /* curdir parent dir, need to move sdir back */
509 if ( sdir->d_parent == NULL ) { /* root directory */
510 return( AFPERR_NORENAME );
512 /* move to destination dir */
513 if ( movecwd( vol, sdir->d_parent ) < 0 ) {
516 strcpy(oldname, sdir->d_m_name);
519 /* another place where we know about the path type */
520 if ((plen = copy_path_name(newname, ibuf)) < 0) {
521 return( AFPERR_PARAM );
525 return AFP_OK; /* newname == oldname same dir */
528 rc = moveandrename(vol, sdir, oldname, newname, isdir);
530 if ( rc == AFP_OK ) {
531 setvoltime(obj, vol );
535 LOG(log_info, logtype_afpd, "end afp_rename:");
541 /* ------------------------------- */
542 int afp_delete(obj, ibuf, ibuflen, rbuf, rbuflen )
545 int ibuflen, *rbuflen;
555 LOG(log_info, logtype_afpd, "begin afp_delete:");
561 memcpy( &vid, ibuf, sizeof( vid ));
562 ibuf += sizeof( vid );
563 if (NULL == ( vol = getvolbyvid( vid )) ) {
564 return( AFPERR_PARAM );
567 if (vol->v_flags & AFPVOL_RO)
570 memcpy( &did, ibuf, sizeof( did ));
571 ibuf += sizeof( int );
572 if (NULL == ( dir = dirlookup( vol, did )) ) {
576 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
577 return get_afp_errno(AFPERR_NOOBJ);
580 upath = s_path->u_name;
581 if ( path_isadir( s_path) ) {
582 if (*s_path->m_name != '\0') {
586 rc = deletecurdir( vol, obj->oldtmp, AFPOBJ_TMPSIZ);
588 } else if (of_findname(s_path)) {
591 rc = deletefile(vol, upath, 1);
593 if ( rc == AFP_OK ) {
595 setvoltime(obj, vol );
599 LOG(log_info, logtype_afpd, "end afp_delete:");
604 /* ------------------------ */
605 char *absupath( vol, dir, u )
606 const struct vol *vol;
611 static char path[ MAXPATHLEN + 1];
618 p = path + sizeof( path ) - 1;
623 if (dir) for ( d = dir; d->d_parent; d = d->d_parent ) {
626 if (p -len -1 < path) {
628 rather rare so LOG error and/or client message ?
636 len = strlen( vol->v_path );
637 if (p -len -1 < path) {
642 memcpy( p, vol->v_path, len );
647 /* ------------------------
648 * FIXME dir could be NULL
650 char *ctoupath( vol, dir, name )
651 const struct vol *vol;
655 return absupath(vol, dir, mtoupath(vol, name, dir->d_did, utf8_encoding()));
658 /* ------------------------- */
659 int afp_moveandrename(obj, ibuf, ibuflen, rbuf, rbuflen )
662 int ibuflen, *rbuflen;
665 struct dir *sdir, *ddir;
667 char *oldname, *newname;
676 #endif /* DROPKLUDGE */
679 LOG(log_info, logtype_afpd, "begin afp_moveandrename:");
685 memcpy( &vid, ibuf, sizeof( vid ));
686 ibuf += sizeof( vid );
687 if (NULL == ( vol = getvolbyvid( vid )) ) {
688 return( AFPERR_PARAM );
691 if (vol->v_flags & AFPVOL_RO)
694 /* source did followed by dest did */
695 memcpy( &did, ibuf, sizeof( did ));
696 ibuf += sizeof( int );
697 if (NULL == ( sdir = dirlookup( vol, did )) ) {
698 return afp_errno; /* was AFPERR_PARAM */
701 memcpy( &did, ibuf, sizeof( did ));
702 ibuf += sizeof( int );
704 /* source pathname */
705 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
706 return get_afp_errno(AFPERR_NOOBJ);
710 newname = obj->newtmp;
711 oldname = obj->oldtmp;
713 isdir = path_isadir(path);
714 if ( *path->m_name != '\0' ) {
718 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
720 strcpy(oldname, sdir->d_m_name);
723 /* get the destination directory */
724 if (NULL == ( ddir = dirlookup( vol, did )) ) {
725 return afp_errno; /* was AFPERR_PARAM */
727 if (NULL == ( path = cname( vol, ddir, &ibuf ))) {
728 return( AFPERR_NOOBJ );
730 pdid = curdir->d_did;
731 if ( *path->m_name != '\0' ) {
732 return path_error(path, AFPERR_NOOBJ);
735 /* one more place where we know about path type */
736 if ((plen = copy_path_name(newname, ibuf)) < 0) {
737 return( AFPERR_PARAM );
741 strcpy(newname, oldname);
744 rc = moveandrename(vol, sdir, oldname, newname, isdir);
746 if ( rc == AFP_OK ) {
747 char *upath = mtoupath(vol, newname, pdid, utf8_encoding());
755 if (vol->v_flags & AFPVOL_DROPBOX) {
756 /* FIXME did is not always the source id */
757 if ((retvalue=matchfile2dirperms (upath, vol, did)) != AFP_OK) {
762 #endif /* DROPKLUDGE */
763 /* if unix priv don't try to match perm with dest folder */
764 if (!isdir && !vol_unix_priv(vol)) {
765 int admode = ad_mode("", 0777);
767 setfilmode(upath, admode, NULL);
768 setfilmode(vol->ad_path( upath, ADFLAGS_HF ), ad_hf_mode(admode), NULL);
770 setvoltime(obj, vol );
774 LOG(log_info, logtype_afpd, "end afp_moveandrename:");
780 int veto_file(const char*veto_str, const char*path)
781 /* given a veto_str like "abc/zxc/" and path "abc", return 1
782 * veto_str should be '/' delimited
783 * if path matches any one of the veto_str elements exactly, then 1 is returned
784 * otherwise, 0 is returned.
787 int i; /* index to veto_str */
788 int j; /* index to path */
790 if ((veto_str == NULL) || (path == NULL))
794 LOG(log_debug, logtype_afpd, "veto_file \"%s\", \"%s\"", veto_str, path);
797 for(i=0, j=0; veto_str[i] != '\0'; i++) {
798 if (veto_str[i] == '/') {
799 if ((j>0) && (path[j] == '\0'))
803 if (veto_str[i] != path[j]) {
804 while ((veto_str[i] != '/')
805 && (veto_str[i] != '\0'))