/*
- * $Id: directory.c,v 1.55 2003-01-08 15:01:33 didg Exp $
+ * $Id: directory.c,v 1.64 2003-03-15 01:34:35 didg Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
return NULL;
}
+/* ------------------- */
+#ifdef ATACC
+int path_isadir(struct path *o_path)
+{
+ return o_path->m_name == '\0' || /* we are in a it */
+ !o_path->st_valid || /* in cache but we can't chdir in it */
+ (!o_path->st_errno && S_ISDIR(o_path->st.st_mode)); /* not in cache an can't chdir */
+}
+#endif
+
+int get_afp_errno(const int param)
+{
+ if (afp_errno != AFPERR_DID1)
+ return afp_errno;
+ return param;
+}
+
+/* ------------------- */
+struct dir *
+ dirsearch_byname( cdir, name )
+ struct dir *cdir;
+ const char *name;
+{
+struct dir *dir;
+
+ if (!strcmp(name, "."))
+ return cdir;
+ dir = cdir->d_child;
+ while (dir) {
+ if ( strcmp( dir->d_u_name, name ) == 0 ) {
+ break;
+ }
+ dir = (dir == curdir->d_child->d_prev) ? NULL : dir->d_next;
+ }
+ return dir;
+}
+
/* -----------------------------------------
* if did is not in the cache resolve it with cnid
*
char *mpath;
ret = dirsearch(vol, did);
- if (ret != NULL)
+ if (ret != NULL || afp_errno == AFPERR_PARAM)
return ret;
id = did;
- if ((upath = cnid_resolve(vol->v_db, &id, buffer, buflen)) == NULL) {
+ if (NULL == (upath = cnid_resolve(vol->v_db, &id, buffer, buflen)) ) {
afp_errno = AFPERR_NOOBJ;
return NULL;
}
ptr = path + MAXPATHLEN;
- mpath = utompath(vol, upath);
+ if (NULL == ( mpath = utompath(vol, upath, utf8_encoding()) ) ) {
+ afp_errno = AFPERR_NOOBJ;
+ return NULL;
+ }
len = strlen(mpath);
pathlen = len; /* no 0 in the last part */
len++;
if (ret != NULL) {
break;
}
- if ((upath = cnid_resolve(vol->v_db, &id, buffer, buflen)) == NULL) {
+ if ( NULL == (upath = cnid_resolve(vol->v_db, &id, buffer, buflen))
+ ||
+ NULL == (mpath = utompath(vol, upath, utf8_encoding()))
+ ) {
afp_errno = AFPERR_NOOBJ;
return NULL;
}
- mpath = utompath(vol, upath);
+
len = strlen(mpath) + 1;
pathlen += len;
if (pathlen > 255) {
{
if (curdir == dir) {
/* v_root can't be deleted */
- if (movecwd(vol, vol->v_root) < 0)
- printf("Yuup cant change dir to v_root\n");
+ if (movecwd(vol, vol->v_root) < 0) {
+ LOG(log_error, logtype_afpd, "cname can't chdir to : %s", vol->v_root);
+ }
}
/* FIXME */
dirchildremove(dir->d_parent, dir);
struct dir *dir;
struct path *path;
{
- char *p;
+ path->u_name = mtoupath(vol, path->m_name, utf8_encoding() );
- path->u_name = p = mtoupath(vol, path->m_name );
- if ( of_stat( path ) != 0 ) {
+ if ( path->u_name == NULL) {
+ afp_errno = AFPERR_PARAM;
+ return NULL;
+ }
+ if (of_stat( path ) != 0 ) {
return( NULL );
}
return( dir );
}
+/* -------------------
+ system rmdir with afp error code.
+ ENOENT is not an error.
+ */
+static int netatalk_rmdir(const char *name)
+{
+ if (rmdir(name) < 0) {
+ switch ( errno ) {
+ case ENOENT :
+ break;
+ case ENOTEMPTY :
+ return AFPERR_DIRNEMPT;
+ case EPERM:
+ case EACCES :
+ return AFPERR_ACCESS;
+ case EROFS:
+ return AFPERR_VLOCK;
+ default :
+ return AFPERR_PARAM;
+ }
+ }
+ return AFP_OK;
+}
+
+/* -------------------------
+ appledouble mkdir afp error code.
+*/
+static int netatalk_mkdir(const char *name)
+{
+ if (ad_mkdir(name, DIRBITS | 0777) < 0) {
+ switch ( errno ) {
+ case ENOENT :
+ return( AFPERR_NOOBJ );
+ case EROFS :
+ return( AFPERR_VLOCK );
+ case EPERM:
+ case EACCES :
+ return( AFPERR_ACCESS );
+ case EEXIST :
+ return( AFPERR_EXIST );
+ case ENOSPC :
+ case EDQUOT :
+ return( AFPERR_DFULL );
+ default :
+ return( AFPERR_PARAM );
+ }
+ }
+ return AFP_OK;
+}
+
+/* -------------------
+ system unlink with afp error code.
+ ENOENT is not an error.
+ */
+int netatalk_unlink(const char *name)
+{
+ if (unlink(name) < 0) {
+ switch (errno) {
+ case ENOENT :
+ break;
+ case EROFS:
+ return AFPERR_VLOCK;
+ case EPERM:
+ case EACCES :
+ return AFPERR_ACCESS;
+ default :
+ return AFPERR_PARAM;
+ }
+ }
+ return AFP_OK;
+}
+
+/* ------------------- */
static int deletedir(char *dir)
{
char path[MAXPATHLEN + 1];
struct dirent *de;
struct stat st;
size_t len;
- int err;
+ int err = AFP_OK;
+ size_t remain;
- if ((len = strlen(dir)) > sizeof(path))
+ if ((len = strlen(dir)) +2 > sizeof(path))
return AFPERR_PARAM;
/* already gone */
strcpy(path, dir);
strcat(path, "/");
len++;
- while ((de = readdir(dp))) {
+ remain = sizeof(path) -len -1;
+ while ((de = readdir(dp)) && err == AFP_OK) {
/* skip this and previous directory */
if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
continue;
- strncpy(path + len, de->d_name, sizeof(path) - len);
- if (stat(path, &st) == 0) {
- if (S_ISDIR(st.st_mode)) {
- if ((err = deletedir(path)) < 0) {
- closedir(dp);
- return err;
- }
- } else if (unlink(path) < 0) {
- switch (errno) {
- case ENOENT :
- continue; /* somebody went and deleted it behind our backs. */
- case EROFS:
- err = AFPERR_VLOCK;
- break;
- case EPERM:
- case EACCES :
- err = AFPERR_ACCESS;
- break;
- default :
- err = AFPERR_PARAM;
- }
- closedir(dp);
- return err;
- }
+ if (strlen(de->d_name) > remain) {
+ err = AFPERR_PARAM;
+ break;
+ }
+ strcpy(path + len, de->d_name);
+ if (stat(path, &st)) {
+ continue;
+ }
+ if (S_ISDIR(st.st_mode)) {
+ err = deletedir(path);
+ } else {
+ err = netatalk_unlink(path);
}
}
closedir(dp);
/* okay. the directory is empty. delete it. note: we already got rid
of .AppleDouble. */
- if (rmdir(dir) < 0) {
- switch ( errno ) {
- case ENOENT :
- break;
- case ENOTEMPTY : /* should never happen */
- return( AFPERR_DIRNEMPT );
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- case EROFS:
- return AFPERR_VLOCK;
- default :
- return( AFPERR_PARAM );
- }
+ if (err == AFP_OK) {
+ err = netatalk_rmdir(dir);
}
- return AFP_OK;
+ return err;
}
/* do a recursive copy. */
struct stat st;
struct utimbuf ut;
size_t slen, dlen;
+ size_t srem, drem;
+
int err;
/* doesn't exist or the path is too long. */
return AFPERR_PARAM;
/* try to create the destination directory */
- if (ad_mkdir(dst, DIRBITS | 0777) < 0) {
+ if (AFP_OK != (err = netatalk_mkdir(dst)) ) {
closedir(dp);
- switch ( errno ) {
- case ENOENT :
- return( AFPERR_NOOBJ );
- case EROFS :
- return( AFPERR_VLOCK );
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- case EEXIST :
- return( AFPERR_EXIST );
- case ENOSPC :
- case EDQUOT :
- return( AFPERR_DFULL );
- default :
- return( AFPERR_PARAM );
- }
+ return err;
}
/* set things up to copy */
strcpy(spath, src);
strcat(spath, "/");
slen++;
+ srem = sizeof(spath) - slen -1;
+
strcpy(dpath, dst);
strcat(dpath, "/");
dlen++;
+ drem = sizeof(dpath) - dlen -1;
+
err = AFP_OK;
while ((de = readdir(dp))) {
/* skip this and previous directory */
if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
continue;
- strncpy(spath + slen, de->d_name, sizeof(spath) - slen);
+ if (strlen(de->d_name) > srem) {
+ err = AFPERR_PARAM;
+ break;
+ }
+ strcpy(spath + slen, de->d_name);
+
if (stat(spath, &st) == 0) {
- strncpy(dpath + dlen, de->d_name, sizeof(dpath) - dlen);
+ if (strlen(de->d_name) > drem) {
+ err = AFPERR_PARAM;
+ break;
+ }
+ strcpy(dpath + dlen, de->d_name);
if (S_ISDIR(st.st_mode)) {
- if ((err = copydir(spath, dpath, noadouble)) < 0)
+ if (AFP_OK != (err = copydir(spath, dpath, noadouble)))
goto copydir_done;
- } else if ((err = copyfile(spath, dpath, NULL, noadouble)) < 0) {
+ } else if (AFP_OK != (err = copyfile(spath, dpath, NULL, noadouble))) {
goto copydir_done;
} else {
/* free everything down. we don't bother to recolor as this is only
* called to free the entire tree */
+void dirfreename(struct dir *dir)
+{
+ if (dir->d_u_name != dir->d_m_name) {
+ free(dir->d_u_name);
+ }
+ free(dir->d_m_name);
+}
+
void dirfree( dir )
struct dir *dir;
{
}
if (dir != SENTINEL) {
- if (dir->d_u_name != dir->d_m_name) {
- free(dir->d_u_name);
- }
- free(dir->d_m_name);
+ dirfreename(dir);
free( dir );
}
}
}
/* -------------------------------------------------- */
-/* XXX: this needs to be changed to handle path types
+/* cname
return
if it's a filename:
in extenddir:
compute unix name
- stat the file
- return mac name
+ stat the file or errno
+ return
+ filename
+ curdir: filename parent directory
+
if it's a dirname:
not in the cache
in extenddir
compute unix name
- stat the dir
+ stat the dir or errno
+ return
+ if chdir error
+ dirname
+ curdir: dir parent directory
+ sinon
+ dirname: ""
+ curdir: dir
in the cache
-
- u_name can be
- XXXX u_name can be an alias on m_name if the m_name is
- a valid unix name.
-
+ return
+ if chdir error
+ dirname
+ curdir: dir parent directory
+ else
+ dirname: ""
+ curdir: dir
+
*/
struct path *
cname( vol, dir, cpath )
ret.st_valid = 0;
for ( ;; ) {
if ( len == 0 ) {
- if ( !extend && movecwd( vol, dir ) < 0 ) {
+ if (movecwd( vol, dir ) < 0 ) {
/* it's tricky:
movecwd failed some of dir path are not there anymore.
FIXME Is it true with other errors?
so we remove dir from the cache
*/
- if (dir->d_did == DIRDID_ROOT_PARENT)
- return NULL;
- if (afp_errno == AFPERR_ACCESS)
- return NULL;
+ if (dir->d_did == DIRDID_ROOT_PARENT)
+ return NULL;
+ if (afp_errno == AFPERR_ACCESS) {
+ if ( movecwd( vol, dir->d_parent ) < 0 ) {
+ return NULL;
+ }
+ ret.m_name = dir->d_m_name;
+ ret.u_name = dir->d_u_name;
+ return &ret;
+ }
dir_invalidate(vol, dir);
return NULL;
/* dir is not valid anymore
we delete dir from the cache and abort.
*/
- if ( dir->d_did != DIRDID_ROOT_PARENT &&
- (afp_errno != AFPERR_ACCESS)) {
- dir_invalidate(vol, dir);
+ if ( dir->d_did == DIRDID_ROOT_PARENT) {
+ afp_errno = AFPERR_NOOBJ;
+ return NULL;
}
+ if (afp_errno == AFPERR_ACCESS)
+ return NULL;
+ dir_invalidate(vol, dir);
return NULL;
}
cdir = extenddir( vol, dir, &ret );
if ( cdir == NULL ) {
- if ( len > 0 ) {
+ if ( len > 0 || !ret.u_name) {
return NULL;
}
return( 0 );
}
if ( dir->d_did == DIRDID_ROOT_PARENT) {
- afp_errno = AFPERR_PARAM;
+ afp_errno = AFPERR_DID1; /* AFPERR_PARAM;*/
return( -1 );
}
if ( l_nameoff ) {
ashort = htons( data - buf );
memcpy( l_nameoff, &ashort, sizeof( ashort ));
- data = set_name(data, dir->d_m_name, 0);
+ data = set_name(vol, data, dir->d_m_name, 0);
}
if ( utf_nameoff ) {
ashort = htons( data - buf );
memcpy( utf_nameoff, &ashort, sizeof( ashort ));
- data = set_name(data, dir->d_m_name, utf8);
+ data = set_name(vol, data, dir->d_m_name, utf8);
}
if ( isad ) {
ad_close( &ad, ADFLAGS_HF );
memcpy( &vid, ibuf, sizeof( vid ));
ibuf += sizeof( vid );
- if (( vol = getvolbyvid( vid )) == NULL ) {
+ if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM );
}
memcpy( &did, ibuf, sizeof( did ));
ibuf += sizeof( int );
- if (( dir = dirlookup( vol, did )) == NULL ) {
+ if (NULL == ( dir = dirlookup( vol, did )) ) {
return afp_errno;
}
bitmap = ntohs( bitmap );
ibuf += sizeof( bitmap );
- if (( path = cname( vol, dir, &ibuf )) == NULL ) {
- return afp_errno;
+ if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
+ return get_afp_errno(AFPERR_NOOBJ);
}
+ /* FIXME access error or not a file */
if ( *path->m_name != '\0' ) {
- return( AFPERR_BADTYPE ); /* not a directory */
+ return (path_isadir( path))? afp_errno:AFPERR_BADTYPE ;
}
/*
ibuf++;
}
- if (( rc = setdirparams(vol, path, bitmap, ibuf )) == AFP_OK ) {
+ if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
setvoltime(obj, vol );
}
return( rc );
* Check to see if a create was necessary. If it was, we'll want
* to set our name, etc.
*/
- if ( ad_getoflags( &ad, ADFLAGS_HF ) & O_CREAT ) {
+ if ( ad_get_HF_flags( &ad ) & O_CREAT ) {
ad_setentrylen( &ad, ADEID_NAME, strlen( curdir->d_m_name ));
memcpy( ad_entry( &ad, ADEID_NAME ), curdir->d_m_name,
ad_getentrylen( &ad, ADEID_NAME ));
struct path *s_path;
u_int32_t did;
u_int16_t vid;
-
+ int err;
+
*rbuflen = 0;
ibuf += 2;
memcpy( &vid, ibuf, sizeof( vid ));
ibuf += sizeof( vid );
- if (( vol = getvolbyvid( vid )) == NULL ) {
+ if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM );
}
memcpy( &did, ibuf, sizeof( did ));
ibuf += sizeof( did );
- if (( dir = dirlookup( vol, did )) == NULL ) {
- return( AFPERR_NOOBJ );
+ if (NULL == ( dir = dirlookup( vol, did )) ) {
+ return afp_errno; /* was AFPERR_NOOBJ */
}
- if (( s_path = cname( vol, dir, &ibuf )) == NULL ) {
- return afp_errno;
+ if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
+ return get_afp_errno(AFPERR_PARAM);
}
- /* FIXME check done elswhere? cname was able to move curdir to it! */
+ /* cname was able to move curdir to it! */
if (*s_path->m_name == '\0')
return AFPERR_EXIST;
upath = s_path->u_name;
- {
- int ret;
- if (0 != (ret = check_name(vol, upath))) {
- return ret;
- }
+ if (0 != (err = check_name(vol, upath))) {
+ return err;
}
- if ( ad_mkdir( upath, DIRBITS | 0777 ) < 0 ) {
- switch ( errno ) {
- case ENOENT :
- return( AFPERR_NOOBJ );
- case EROFS :
- return( AFPERR_VLOCK );
- case EACCES :
- return( AFPERR_ACCESS );
- case EEXIST :
- return( AFPERR_EXIST );
- case ENOSPC :
- case EDQUOT :
- return( AFPERR_DFULL );
- default :
- return( AFPERR_PARAM );
- }
+ if (AFP_OK != (err = netatalk_mkdir( upath))) {
+ return err;
}
if (of_stat(s_path) < 0) {
DIR *dp;
struct adouble ad;
u_int16_t ashort;
+ int err;
if ( curdir->d_parent == NULL ) {
return( AFPERR_ACCESS );
}
- if ( curdir->d_child != NULL ) {
- return( AFPERR_DIRNEMPT );
- }
-
fdir = curdir;
memset(&ad, 0, sizeof(ad));
}
strcpy(path + DOT_APPLEDOUBLE_LEN, de->d_name);
- if (unlink(path) < 0) {
+ if ((err = netatalk_unlink(path))) {
closedir(dp);
- switch (errno) {
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- case EROFS:
- return AFPERR_VLOCK;
- case ENOENT :
- continue;
- default :
- return( AFPERR_PARAM );
- }
+ return err;
}
}
closedir(dp);
}
- if ( rmdir( ".AppleDouble" ) < 0 ) {
- switch ( errno ) {
- case ENOENT :
- break;
- case ENOTEMPTY :
- return( AFPERR_DIRNEMPT );
- case EROFS:
- return AFPERR_VLOCK;
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- default :
- return( AFPERR_PARAM );
- }
+ if ( (err = netatalk_rmdir( ".AppleDouble" )) ) {
+ return err;
}
/* now get rid of dangling symlinks */
/* bail if it's not a symlink */
if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
+ closedir(dp);
return AFPERR_DIRNEMPT;
}
- if (unlink(de->d_name) < 0) {
- switch (errno) {
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- case EROFS:
- return AFPERR_VLOCK;
- case ENOENT :
- continue;
- default :
- return( AFPERR_PARAM );
- }
+ if ((err = netatalk_unlink(de->d_name))) {
+ closedir(dp);
+ return err;
}
}
- closedir(dp);
}
if ( movecwd( vol, curdir->d_parent ) < 0 ) {
- return afp_errno;
+ err = afp_errno;
+ goto delete_done;
}
- if ( rmdir(fdir->d_u_name) < 0 ) {
- switch ( errno ) {
- case ENOENT :
- return( AFPERR_NOOBJ );
- case ENOTEMPTY :
- return( AFPERR_DIRNEMPT );
- case EPERM:
- case EACCES :
- return( AFPERR_ACCESS );
- case EROFS:
- return AFPERR_VLOCK;
- default :
- return( AFPERR_PARAM );
- }
- }
-
- dirchildremove(curdir, fdir);
+ if ( !(err = netatalk_rmdir(fdir->d_u_name))) {
+ dirchildremove(curdir, fdir);
#ifdef CNID_DB
- cnid_delete(vol->v_db, fdir->d_did);
+ cnid_delete(vol->v_db, fdir->d_did);
#endif /* CNID_DB */
- dir_remove( vol, fdir );
-
- return( AFP_OK );
+ dir_remove( vol, fdir );
+ err = AFP_OK;
+ }
+delete_done:
+ if (dp) {
+ /* inode is used as key for cnid.
+ * Close the descriptor only after cnid_delete
+ * has been called.
+ */
+ closedir(dp);
+ }
+ return err;
}
int afp_mapid(obj, ibuf, ibuflen, rbuf, rbuflen )
memcpy(&vid, ibuf, sizeof(vid));
ibuf += sizeof( vid );
- if (( vol = getvolbyvid( vid )) == NULL ) {
+ if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM );
}
memcpy(&did, ibuf, sizeof(did));
ibuf += sizeof(did);
- if (( parentdir = dirlookup( vol, did )) == NULL ) {
+ if (NULL == ( parentdir = dirlookup( vol, did )) ) {
return afp_errno;
}
- if (( path = cname( vol, parentdir, &ibuf )) == NULL ) {
- return afp_errno;
+ if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
+ return get_afp_errno(AFPERR_PARAM);
}
if ( *path->m_name != '\0' ) {
- return( AFPERR_BADTYPE ); /* not a directory */
+ return (path_isadir(path))? afp_errno:AFPERR_BADTYPE ;
}
if ( !path->st_valid && of_stat(path ) < 0 ) {
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