2 * $Id: filedir.c,v 1.41 2003-02-16 12:35:04 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 )) ) {
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 ))) {
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);
365 id = cnid_get(vol->v_db, sdir->d_did, p, strlen(p));
367 p = ctoupath( vol, sdir, oldname );
369 return AFPERR_PARAM; /* pathname too long */
373 if ((opened = of_findname(&path))) {
374 /* reuse struct adouble so it won't break locks */
380 id = sdir->d_did; /* we already have the CNID */
382 p = ctoupath( vol, sdir->d_parent, oldname );
386 adflags = ADFLAGS_DIR;
389 * p now points to the full pathname of the source fs object.
391 * we are in the dest folder so we need to use p for ad_open
394 if (!ad_open(p, ADFLAGS_HF |adflags, O_RDONLY, 0666, adp)) {
397 ad_getattr(adp, &bshort);
398 ad_close( adp, ADFLAGS_HF );
399 if ((bshort & htons(ATTRBIT_NORENAME)))
400 return(AFPERR_OLOCK);
403 upath = mtoupath(vol, newname);
406 if (0 != (rc = check_name(vol, upath))) {
410 /* source == destination. we just silently accept this. */
411 if (curdir == sdir) {
412 if (strcmp(oldname, newname) == 0)
415 /* deal with case insensitive, case-preserving filesystems. */
416 if ((stat(upath, st) == 0) && strdiacasecmp(oldname, newname))
419 } else if (stat(upath, st ) == 0)
424 path.st_errno = errno;
425 if (of_findname(&path)) {
426 rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
428 rc = renamefile( p, upath, newname,vol_noadouble(vol), adp );
430 of_rename(vol, opened, sdir, oldname, curdir, newname);
433 rc = renamedir(p, upath, sdir, curdir, newname, vol_noadouble(vol));
435 if ( rc == AFP_OK ) {
437 /* renaming may have moved the file/dir across a filesystem */
438 if (stat(upath, st) < 0)
441 /* fix up the catalog entry */
442 cnid_update(vol->v_db, id, st, curdir->d_did, upath, strlen(upath));
449 /* -------------------------------------------- */
450 int afp_rename(obj, ibuf, ibuflen, rbuf, rbuflen )
453 int ibuflen, *rbuflen;
457 char *oldname, *newname;
465 LOG(log_info, logtype_afpd, "begin afp_rename:");
471 memcpy( &vid, ibuf, sizeof( vid ));
472 ibuf += sizeof( vid );
473 if (NULL == ( vol = getvolbyvid( vid )) ) {
474 return( AFPERR_PARAM );
477 if (vol->v_flags & AFPVOL_RO)
480 memcpy( &did, ibuf, sizeof( did ));
481 ibuf += sizeof( did );
482 if (NULL == ( sdir = dirlookup( vol, did )) ) {
486 /* source pathname */
487 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
492 newname = obj->newtmp;
493 oldname = obj->oldtmp;
494 isdir = path_isadir(path);
495 if ( *path->m_name != '\0' ) {
496 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
498 /* curdir parent dir, need to move sdir back
499 * FIXME search by unix name or mac name?
501 sdir = dirsearch_byname(curdir, path->u_name);
507 if ( sdir->d_parent == NULL ) { /* root directory */
508 return( AFPERR_NORENAME );
510 /* move to destination dir */
511 if ( movecwd( vol, sdir->d_parent ) < 0 ) {
514 strcpy(oldname, sdir->d_m_name);
517 /* another place where we know about the path type */
518 if ((plen = copy_path_name(newname, ibuf)) < 0) {
519 return( AFPERR_PARAM );
523 return AFP_OK; /* newname == oldname same dir */
526 rc = moveandrename(vol, sdir, oldname, newname, isdir);
528 if ( rc == AFP_OK ) {
529 setvoltime(obj, vol );
533 LOG(log_info, logtype_afpd, "end afp_rename:");
539 /* ------------------------------- */
540 int afp_delete(obj, ibuf, ibuflen, rbuf, rbuflen )
543 int ibuflen, *rbuflen;
553 LOG(log_info, logtype_afpd, "begin afp_delete:");
559 memcpy( &vid, ibuf, sizeof( vid ));
560 ibuf += sizeof( vid );
561 if (NULL == ( vol = getvolbyvid( vid )) ) {
562 return( AFPERR_PARAM );
565 if (vol->v_flags & AFPVOL_RO)
568 memcpy( &did, ibuf, sizeof( did ));
569 ibuf += sizeof( int );
570 if (NULL == ( dir = dirlookup( vol, did )) ) {
574 if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
578 upath = s_path->u_name;
579 if ( path_isadir( s_path) ) {
580 if (*s_path->m_name != '\0') {
584 rc = deletecurdir( vol, obj->oldtmp, AFPOBJ_TMPSIZ);
586 } else if (of_findname(s_path)) {
589 rc = deletefile(vol, upath, 1);
591 if ( rc == AFP_OK ) {
593 setvoltime(obj, vol );
597 LOG(log_info, logtype_afpd, "end afp_delete:");
602 char *absupath( vol, dir, u )
603 const struct vol *vol;
608 static char path[ MAXPATHLEN + 1];
612 p = path + sizeof( path ) - 1;
616 strncpy( p, u, len );
617 if (dir) for ( d = dir; d->d_parent; d = d->d_parent ) {
620 if (p -len -1 < path) {
622 rather rare so LOG error and/or client message ?
628 strncpy( p, u, len );
630 len = strlen( vol->v_path );
631 if (p -len -1 < path) {
636 strncpy( p, vol->v_path, len );
641 char *ctoupath( vol, dir, name )
642 const struct vol *vol;
646 return absupath(vol, dir, mtoupath(vol, name));
649 /* ------------------------- */
650 int afp_moveandrename(obj, ibuf, ibuflen, rbuf, rbuflen )
653 int ibuflen, *rbuflen;
656 struct dir *sdir, *ddir;
658 char *oldname, *newname;
666 #endif /* DROPKLUDGE */
669 LOG(log_info, logtype_afpd, "begin afp_moveandrename:");
675 memcpy( &vid, ibuf, sizeof( vid ));
676 ibuf += sizeof( vid );
677 if (NULL == ( vol = getvolbyvid( vid )) ) {
678 return( AFPERR_PARAM );
681 if (vol->v_flags & AFPVOL_RO)
684 /* source did followed by dest did */
685 memcpy( &did, ibuf, sizeof( did ));
686 ibuf += sizeof( int );
687 if (NULL == ( sdir = dirlookup( vol, did )) ) {
688 return( AFPERR_PARAM );
691 memcpy( &did, ibuf, sizeof( did ));
692 ibuf += sizeof( int );
694 /* source pathname */
695 if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
700 newname = obj->newtmp;
701 oldname = obj->oldtmp;
703 isdir = path_isadir(path);
704 if ( *path->m_name != '\0' ) {
706 sdir = dirsearch_byname(curdir, path->u_name);
710 strcpy(oldname, path->m_name); /* an extra copy for of_rename */
712 strcpy(oldname, sdir->d_m_name);
715 /* get the destination directory */
716 if (NULL == ( ddir = dirlookup( vol, did )) ) {
717 return( AFPERR_PARAM );
719 if (( path = cname( vol, ddir, &ibuf )) == NULL ) {
720 return( AFPERR_NOOBJ );
722 if ( *path->m_name != '\0' ) {
723 return (path_isadir(path))?afp_errno:AFPERR_BADTYPE;
726 /* one more place where we know about path type */
727 if ((plen = copy_path_name(newname, ibuf)) < 0) {
728 return( AFPERR_PARAM );
732 strcpy(newname, oldname);
735 rc = moveandrename(vol, sdir, oldname, newname, isdir);
737 if ( rc == AFP_OK ) {
738 char *upath = mtoupath(vol, newname);
743 if (vol->v_flags & AFPVOL_DROPBOX) {
744 if ((retvalue=matchfile2dirperms (upath, vol, did)) != AFP_OK) {
749 #endif /* DROPKLUDGE */
751 int admode = ad_mode("", 0777);
753 setfilmode(upath, admode, NULL);
754 setfilmode(ad_path( upath, ADFLAGS_HF ), ad_hf_mode(admode), NULL);
756 setvoltime(obj, vol );
760 LOG(log_info, logtype_afpd, "end afp_moveandrename:");
766 int veto_file(const char*veto_str, const char*path)
767 /* given a veto_str like "abc/zxc/" and path "abc", return 1
768 * veto_str should be '/' delimited
769 * if path matches any one of the veto_str elements exactly, then 1 is returned
770 * otherwise, 0 is returned.
773 int i; /* index to veto_str */
774 int j; /* index to path */
776 if ((veto_str == NULL) || (path == NULL))
780 LOG(log_debug, logtype_afpd, "veto_file \"%s\", \"%s\"", veto_str, path);
783 for(i=0, j=0; veto_str[i] != '\0'; i++) {
784 if (veto_str[i] == '/') {
785 if ((j>0) && (path[j] == '\0'))
789 if (veto_str[i] != path[j]) {
790 while ((veto_str[i] != '/')
791 && (veto_str[i] != '\0'))