2 * $Id: filedir.c,v 1.43 2003-03-15 01:34:35 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
13 #include <atalk/logger.h>
14 #include <sys/types.h>
16 #include <sys/param.h>
17 #include <netatalk/endian.h>
18 #include <atalk/adouble.h>
19 #include <atalk/afp.h>
20 #include <atalk/util.h>
22 #include <atalk/cnid.h>
28 #endif /* HAVE_FCNTL_H */
34 #else /* STDC_HEADERS */
38 #endif /* HAVE_STRCHR */
39 char *strchr (), *strrchr ();
41 #define memcpy(d,s,n) bcopy ((s), (d), (n))
42 #define memmove(d,s,n) bcopy ((s), (d), (n))
43 #endif /* ! HAVE_MEMCPY */
44 #endif /* STDC_HEADERS */
48 #endif /* HAVE_UNISTD_H */
50 #include "directory.h"
60 int matchfile2dirperms(upath, vol, did)
61 /* Since it's kinda' big; I decided against an
66 /* The below code changes the way file ownership is determined in the name of
67 fixing dropboxes. It has known security problem. See the netatalk FAQ for
76 LOG(log_info, logtype_afpd, "begin matchfile2dirperms:");
79 if (stat(upath, &st ) < 0) {
80 LOG(log_error, logtype_afpd, "Could not stat %s: %s", upath, strerror(errno));
84 adpath = ad_path( upath, ADFLAGS_HF );
85 /* FIXME dirsearch doesn't move cwd to did ! */
86 if (( dir = dirlookup( vol, did )) == NULL ) {
87 LOG(log_error, logtype_afpd, "matchfile2dirperms: Unable to get directory info.");
90 else if (stat(".", &sb) < 0) {
91 LOG(log_error, logtype_afpd,
92 "matchfile2dirperms: Error checking directory \"%s\": %s",
93 dir->d_m_name, strerror(errno));
98 if ( uid != sb.st_uid )
101 if (lchown(upath, sb.st_uid, sb.st_gid) < 0)
103 LOG(log_error, logtype_afpd,
104 "matchfile2dirperms: Error changing owner/gid of %s: %s",
105 upath, strerror(errno));
108 else if (chmod(upath,(st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0)
110 LOG(log_error, logtype_afpd,
111 "matchfile2dirperms: Error adding file read permissions: %s",
115 else if (lchown(adpath, sb.st_uid, sb.st_gid) < 0)
117 LOG(log_error, logtype_afpd,
118 "matchfile2dirperms: Error changing AppleDouble owner/gid %s: %s",
119 adpath, strerror(errno));
122 else if (chmod(adpath, (st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0)
124 LOG(log_error, logtype_afpd,
125 "matchfile2dirperms: Error adding AD file read permissions: %s",
131 } /* end else if stat success */
134 LOG(log_info, logtype_afpd, "end matchfile2dirperms:");
140 int afp_getfildirparams(obj, ibuf, ibuflen, rbuf, rbuflen )
143 int ibuflen, *rbuflen;
150 u_int16_t fbitmap, dbitmap, vid;
154 LOG(log_info, logtype_afpd, "begin afp_getfildirparams:");
160 memcpy( &vid, ibuf, sizeof( vid ));
161 ibuf += sizeof( vid );
162 if (NULL == ( vol = getvolbyvid( vid )) ) {
163 return( AFPERR_PARAM );
166 memcpy( &did, ibuf, sizeof( did ));
167 ibuf += sizeof( did );
169 if (NULL == ( dir = dirlookup( vol, did )) ) {
173 memcpy( &fbitmap, ibuf, sizeof( fbitmap ));
174 fbitmap = ntohs( fbitmap );
175 ibuf += sizeof( fbitmap );
176 memcpy( &dbitmap, ibuf, sizeof( dbitmap ));
177 dbitmap = ntohs( dbitmap );
178 ibuf += sizeof( dbitmap );
180 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
181 return get_afp_errno(AFPERR_NOOBJ);
185 if (!s_path->st_valid) {
186 /* it's a dir and it should be there
187 * because we chdir in it in cname or
188 * it's curdir (maybe deleted, but then we can't know)
193 if ( s_path->st_errno != 0 ) {
194 return( AFPERR_NOOBJ );
198 if (S_ISDIR(st->st_mode)) {
200 dir = dirsearch_byname(curdir, s_path->u_name);
204 ret = getdirparams(vol, dbitmap, s_path, dir,
205 rbuf + 3 * sizeof( u_int16_t ), &buflen );
209 /* this is a directory */
210 *(rbuf + 2 * sizeof( u_int16_t )) = (char) FILDIRBIT_ISDIR;
212 if (fbitmap && AFP_OK != (ret = getfilparams(vol, fbitmap, s_path, curdir,
213 rbuf + 3 * sizeof( u_int16_t ), &buflen )) ) {
217 *(rbuf + 2 * sizeof( u_int16_t )) = FILDIRBIT_ISFILE;
219 *rbuflen = buflen + 3 * sizeof( u_int16_t );
220 fbitmap = htons( fbitmap );
221 memcpy( rbuf, &fbitmap, sizeof( fbitmap ));
222 rbuf += sizeof( fbitmap );
223 dbitmap = htons( dbitmap );
224 memcpy( rbuf, &dbitmap, sizeof( dbitmap ));
225 rbuf += sizeof( dbitmap ) + sizeof( u_char );
229 LOG(log_info, logtype_afpd, "end afp_getfildirparams:");
235 int afp_setfildirparams(obj, ibuf, ibuflen, rbuf, rbuflen )
238 int ibuflen, *rbuflen;
244 u_int16_t vid, bitmap;
248 LOG(log_info, logtype_afpd, "begin afp_setfildirparams:");
253 memcpy( &vid, ibuf, sizeof(vid));
254 ibuf += sizeof( vid );
256 if (NULL == ( vol = getvolbyvid( vid )) ) {
257 return( AFPERR_PARAM );
260 if (vol->v_flags & AFPVOL_RO)
263 memcpy( &did, ibuf, sizeof( did));
264 ibuf += sizeof( did);
266 if (NULL == ( dir = dirlookup( vol, did )) ) {
270 memcpy( &bitmap, ibuf, sizeof( bitmap ));
271 bitmap = ntohs( bitmap );
272 ibuf += sizeof( bitmap );
274 if (NULL == ( path = cname( vol, dir, &ibuf ))) {
275 return get_afp_errno(AFPERR_NOOBJ);
279 if (!path->st_valid) {
280 /* it's a dir and it should be there
281 * because we chdir in it in cname
286 if ( path->st_errno != 0 ) {
287 return( AFPERR_NOOBJ );
290 * If ibuf is odd, make it even.
292 if ((u_long)ibuf & 1 ) {
296 if (S_ISDIR(st->st_mode)) {
297 rc = setdirparams(vol, path, bitmap, ibuf );
299 rc = setfilparams(vol, path, bitmap, ibuf );
301 if ( rc == AFP_OK ) {
302 setvoltime(obj, vol );
306 LOG(log_info, logtype_afpd, "end afp_setfildirparams:");
312 /* --------------------------------------------
313 Factorise some check on a pathname
315 int check_name(const struct vol *vol, char *name)
317 /* check for illegal characters in the unix filename */
318 if (!wincheck(vol, name))
321 if ((vol->v_flags & AFPVOL_NOHEX) && strchr(name, '/'))
324 if (!validupath(vol, name))
327 /* check for vetoed filenames */
328 if (veto_file(vol->v_veto, name))
333 /* -------------------------
334 move and rename sdir:oldname to curdir:newname in volume vol
336 special care is needed for lock
338 static int moveandrename(vol, sdir, oldname, newname, isdir)
339 const struct vol *vol;
352 struct ofork *opened = NULL;
358 memset(&ad, 0, sizeof(ad));
364 p = mtoupath(vol, oldname, utf8_encoding());
366 return AFPERR_PARAM; /* can't convert */
368 id = cnid_get(vol->v_db, sdir->d_did, p, strlen(p));
370 p = ctoupath( vol, sdir, oldname );
372 return AFPERR_PARAM; /* pathname too long */
376 if ((opened = of_findname(&path))) {
377 /* reuse struct adouble so it won't break locks */
383 id = sdir->d_did; /* we already have the CNID */
385 p = ctoupath( vol, sdir->d_parent, oldname );
389 adflags = ADFLAGS_DIR;
392 * p now points to the full pathname of the source fs object.
394 * we are in the dest folder so we need to use p for ad_open
397 if (!ad_open(p, ADFLAGS_HF |adflags, O_RDONLY, 0666, adp)) {
400 ad_getattr(adp, &bshort);
401 ad_close( adp, ADFLAGS_HF );
402 if ((bshort & htons(ATTRBIT_NORENAME)))
403 return(AFPERR_OLOCK);
406 if (NULL == (upath = mtoupath(vol, newname, utf8_encoding()))){
411 if (0 != (rc = check_name(vol, upath))) {
415 /* source == destination. we just silently accept this. */
416 if (curdir == sdir) {
417 if (strcmp(oldname, newname) == 0)
420 /* deal with case insensitive, case-preserving filesystems. */
421 if ((stat(upath, st) == 0) && strdiacasecmp(oldname, newname))
424 } else if (stat(upath, st ) == 0)
429 path.st_errno = errno;
430 if (of_findname(&path)) {
431 rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
433 rc = renamefile( p, upath, newname,vol_noadouble(vol), adp );
435 of_rename(vol, opened, sdir, oldname, curdir, newname);
438 rc = renamedir(p, upath, sdir, curdir, newname, vol_noadouble(vol));
440 if ( rc == AFP_OK ) {
442 /* renaming may have moved the file/dir across a filesystem */
443 if (stat(upath, st) < 0)
446 /* fix up the catalog entry */
447 cnid_update(vol->v_db, id, st, curdir->d_did, upath, strlen(upath));
454 /* -------------------------------------------- */
455 int afp_rename(obj, ibuf, ibuflen, rbuf, rbuflen )
458 int ibuflen, *rbuflen;
462 char *oldname, *newname;
470 LOG(log_info, logtype_afpd, "begin afp_rename:");
476 memcpy( &vid, ibuf, sizeof( vid ));
477 ibuf += sizeof( vid );
478 if (NULL == ( vol = getvolbyvid( vid )) ) {
479 return( AFPERR_PARAM );
482 if (vol->v_flags & AFPVOL_RO)
485 memcpy( &did, ibuf, sizeof( did ));
486 ibuf += sizeof( did );
487 if (NULL == ( sdir = dirlookup( vol, did )) ) {
491 /* source pathname */
492 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
493 return get_afp_errno(AFPERR_NOOBJ);
497 newname = obj->newtmp;
498 oldname = obj->oldtmp;
499 isdir = path_isadir(path);
500 if ( *path->m_name != '\0' ) {
501 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
503 /* curdir parent dir, need to move sdir back
504 * FIXME search by unix name or mac name?
506 sdir = dirsearch_byname(curdir, path->u_name);
512 if ( sdir->d_parent == NULL ) { /* root directory */
513 return( AFPERR_NORENAME );
515 /* move to destination dir */
516 if ( movecwd( vol, sdir->d_parent ) < 0 ) {
519 strcpy(oldname, sdir->d_m_name);
522 /* another place where we know about the path type */
523 if ((plen = copy_path_name(newname, ibuf)) < 0) {
524 return( AFPERR_PARAM );
528 return AFP_OK; /* newname == oldname same dir */
531 rc = moveandrename(vol, sdir, oldname, newname, isdir);
533 if ( rc == AFP_OK ) {
534 setvoltime(obj, vol );
538 LOG(log_info, logtype_afpd, "end afp_rename:");
544 /* ------------------------------- */
545 int afp_delete(obj, ibuf, ibuflen, rbuf, rbuflen )
548 int ibuflen, *rbuflen;
558 LOG(log_info, logtype_afpd, "begin afp_delete:");
564 memcpy( &vid, ibuf, sizeof( vid ));
565 ibuf += sizeof( vid );
566 if (NULL == ( vol = getvolbyvid( vid )) ) {
567 return( AFPERR_PARAM );
570 if (vol->v_flags & AFPVOL_RO)
573 memcpy( &did, ibuf, sizeof( did ));
574 ibuf += sizeof( int );
575 if (NULL == ( dir = dirlookup( vol, did )) ) {
579 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
580 return get_afp_errno(AFPERR_NOOBJ);
583 upath = s_path->u_name;
584 if ( path_isadir( s_path) ) {
585 if (*s_path->m_name != '\0') {
589 rc = deletecurdir( vol, obj->oldtmp, AFPOBJ_TMPSIZ);
591 } else if (of_findname(s_path)) {
594 rc = deletefile(vol, upath, 1);
596 if ( rc == AFP_OK ) {
598 setvoltime(obj, vol );
602 LOG(log_info, logtype_afpd, "end afp_delete:");
607 char *absupath( vol, dir, u )
608 const struct vol *vol;
613 static char path[ MAXPATHLEN + 1];
620 p = path + sizeof( path ) - 1;
624 strncpy( p, u, len );
625 if (dir) for ( d = dir; d->d_parent; d = d->d_parent ) {
628 if (p -len -1 < path) {
630 rather rare so LOG error and/or client message ?
636 strncpy( p, u, len );
638 len = strlen( vol->v_path );
639 if (p -len -1 < path) {
644 strncpy( p, vol->v_path, len );
649 char *ctoupath( vol, dir, name )
650 const struct vol *vol;
654 return absupath(vol, dir, mtoupath(vol, name, utf8_encoding()));
657 /* ------------------------- */
658 int afp_moveandrename(obj, ibuf, ibuflen, rbuf, rbuflen )
661 int ibuflen, *rbuflen;
664 struct dir *sdir, *ddir;
666 char *oldname, *newname;
674 #endif /* DROPKLUDGE */
677 LOG(log_info, logtype_afpd, "begin afp_moveandrename:");
683 memcpy( &vid, ibuf, sizeof( vid ));
684 ibuf += sizeof( vid );
685 if (NULL == ( vol = getvolbyvid( vid )) ) {
686 return( AFPERR_PARAM );
689 if (vol->v_flags & AFPVOL_RO)
692 /* source did followed by dest did */
693 memcpy( &did, ibuf, sizeof( did ));
694 ibuf += sizeof( int );
695 if (NULL == ( sdir = dirlookup( vol, did )) ) {
696 return afp_errno; /* was AFPERR_PARAM */
699 memcpy( &did, ibuf, sizeof( did ));
700 ibuf += sizeof( int );
702 /* source pathname */
703 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
704 return get_afp_errno(AFPERR_NOOBJ);
708 newname = obj->newtmp;
709 oldname = obj->oldtmp;
711 isdir = path_isadir(path);
712 if ( *path->m_name != '\0' ) {
714 sdir = dirsearch_byname(curdir, path->u_name);
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 (( path = cname( vol, ddir, &ibuf )) == NULL ) {
728 return( AFPERR_NOOBJ );
730 if ( *path->m_name != '\0' ) {
731 return (path_isadir(path))?afp_errno:AFPERR_BADTYPE;
734 /* one more place where we know about path type */
735 if ((plen = copy_path_name(newname, ibuf)) < 0) {
736 return( AFPERR_PARAM );
740 strcpy(newname, oldname);
743 rc = moveandrename(vol, sdir, oldname, newname, isdir);
745 if ( rc == AFP_OK ) {
746 char *upath = mtoupath(vol, newname, utf8_encoding());
754 if (vol->v_flags & AFPVOL_DROPBOX) {
755 if ((retvalue=matchfile2dirperms (upath, vol, did)) != AFP_OK) {
760 #endif /* DROPKLUDGE */
762 int admode = ad_mode("", 0777);
764 setfilmode(upath, admode, NULL);
765 setfilmode(ad_path( upath, ADFLAGS_HF ), ad_hf_mode(admode), NULL);
767 setvoltime(obj, vol );
771 LOG(log_info, logtype_afpd, "end afp_moveandrename:");
777 int veto_file(const char*veto_str, const char*path)
778 /* given a veto_str like "abc/zxc/" and path "abc", return 1
779 * veto_str should be '/' delimited
780 * if path matches any one of the veto_str elements exactly, then 1 is returned
781 * otherwise, 0 is returned.
784 int i; /* index to veto_str */
785 int j; /* index to path */
787 if ((veto_str == NULL) || (path == NULL))
791 LOG(log_debug, logtype_afpd, "veto_file \"%s\", \"%s\"", veto_str, path);
794 for(i=0, j=0; veto_str[i] != '\0'; i++) {
795 if (veto_str[i] == '/') {
796 if ((j>0) && (path[j] == '\0'))
800 if (veto_str[i] != path[j]) {
801 while ((veto_str[i] != '/')
802 && (veto_str[i] != '\0'))