/*
- * $Id: directory.c,v 1.54 2003-01-07 15:55:21 rlewczuk Exp $
+ * $Id: directory.c,v 1.57 2003-01-21 09:58:58 didg Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
#include "unix.h"
struct dir *curdir;
+int afp_errno;
#define SENTINEL (&sentinel)
static struct dir sentinel = { SENTINEL, SENTINEL, NULL, DIRTREE_COLOR_BLACK,
/* check for 0 did */
- if (!did)
+ if (!did) {
+ afp_errno = AFPERR_PARAM;
return NULL;
-
+ }
if ( did == DIRDID_ROOT_PARENT ) {
if (!rootpar.d_did)
rootpar.d_did = DIRDID_ROOT_PARENT;
}
dir = vol->v_root;
+ afp_errno = AFPERR_NOOBJ;
while ( dir != SENTINEL ) {
if (dir->d_did == did)
return dir->d_m_name ? dir : NULL;
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;
if (ret != NULL) {
break;
}
- if ((upath = cnid_resolve(vol->v_db, &id, buffer, buflen)) == NULL)
+ if ((upath = cnid_resolve(vol->v_db, &id, buffer, buflen)) == NULL) {
+ afp_errno = AFPERR_NOOBJ;
return NULL;
+ }
mpath = utompath(vol, upath);
len = strlen(mpath) + 1;
pathlen += len;
- if (pathlen > 255)
+ if (pathlen > 255) {
+ afp_errno = AFPERR_PARAM;
return NULL;
+ }
strcpy(ptr - len, mpath);
ptr -= len;
}
* process. It's fixable within afpd if fnctl_lock, doable with smb and
* next to impossible for nfs and local filesystem access.
*/
-
static void dir_invalidate( vol, dir )
const struct vol *vol;
struct dir *dir;
static struct path ret;
char *data, *p;
- char *u;
int extend = 0;
int len;
- int olen = 0;
u_int32_t hint;
u_int16_t len16;
int size = 0;
char sep;
data = *cpath;
- switch (*data) { /* path type */
+ afp_errno = AFPERR_NOOBJ;
+ switch (ret.m_type = *data) { /* path type */
case 2:
data++;
len = (unsigned char) *data++;
}
/* else it's an error */
default:
+ afp_errno = AFPERR_PARAM;
return( NULL );
}
*cpath += len + size;
*path = '\0';
- u = NULL;
ret.m_name = path;
ret.st_errno = 0;
ret.st_valid = 0;
if ( len == 0 ) {
if ( !extend && movecwd( vol, dir ) < 0 ) {
/* it's tricky:
- movecwd failed some of dir path is not there anymore.
+ movecwd failed some of dir path are not there anymore.
FIXME Is it true with other errors?
- if path == '\0' ==> the cpath parameter is that dir,
- and maybe we are trying to recreate it! So we can't
- fail here.
-
+ so we remove dir from the cache
*/
if (dir->d_did == DIRDID_ROOT_PARENT)
- return NULL;
- if (errno != ENOENT && errno != ENOTDIR)
+ return NULL;
+ if (afp_errno == AFPERR_ACCESS)
return NULL;
- cdir = dir->d_parent;
dir_invalidate(vol, dir);
- if (*path != '\0' || u == NULL) {
- /* FIXME: if path != '\0' then extend != 0 ?
- * u == NUL ==> cpath is something like:
- * toto\0\0\0
- */
- return NULL;
- }
- if (movecwd(vol, cdir) < 0) {
- printf("can't change to parent\n");
- return NULL; /* give up the whole tree is out of synch*/
- }
- /* restore the previous token */
- strncpy(path, u, olen);
- path[olen] = '\0';
+ return NULL;
}
- if (!ret.st_valid || *path == '\0') {
+ if (*path == '\0') {
ret.u_name = ".";
}
return &ret;
data++;
len--;
}
- u = NULL;
-
while (*data == sep && len > 0 ) {
if ( dir->d_parent == NULL ) {
return NULL;
/* would this be faster with strlen + strncpy? */
p = path;
- if (len > 0) {
- u = data;
- olen = len;
- }
while ( *data != sep && len > 0 ) {
*p++ = *data++;
len--;
we delete dir from the cache and abort.
*/
if ( dir->d_did != DIRDID_ROOT_PARENT &&
- (errno == ENOENT || errno == ENOTDIR)) {
+ (afp_errno != AFPERR_ACCESS)) {
dir_invalidate(vol, dir);
}
return NULL;
return( 0 );
}
if ( dir->d_did == DIRDID_ROOT_PARENT) {
- errno = 0; /* errno is checked in file.c */
+ afp_errno = AFPERR_PARAM;
return( -1 );
}
*p-- = '\0';
*p = '.';
for ( d = dir; d->d_parent != NULL && d != curdir; d = d->d_parent ) {
- *--p = '/';
u = d->d_u_name;
n = strlen( u );
+ if (p -n -1 < path) {
+ afp_errno = AFPERR_PARAM;
+ return -1;
+ }
+ *--p = '/';
p -= n;
strncpy( p, u, n );
}
if ( d != curdir ) {
- *--p = '/';
n = strlen( vol->v_path );
+ if (p -n -1 < path) {
+ afp_errno = AFPERR_PARAM;
+ return -1;
+ }
+ *--p = '/';
p -= n;
strncpy( p, vol->v_path, n );
}
if ( chdir( p ) < 0 ) {
+ switch (errno) {
+ case EACCES:
+ case EPERM:
+ afp_errno = AFPERR_ACCESS;
+ break;
+ default:
+ afp_errno = AFPERR_NOOBJ;
+
+ }
return( -1 );
}
curdir = dir;
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 ) {
- return( AFPERR_NOOBJ );
+ if (NULL == ( dir = dirlookup( vol, did )) ) {
+ return afp_errno;
}
memcpy( &bitmap, ibuf, sizeof( bitmap ));
bitmap = ntohs( bitmap );
ibuf += sizeof( bitmap );
- if (( path = cname( vol, dir, &ibuf )) == NULL ) {
- return( AFPERR_NOOBJ );
+ if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
+ return afp_errno;
}
if ( *path->m_name != '\0' ) {
ibuf++;
}
- if (( rc = setdirparams(vol, path, bitmap, ibuf )) == AFP_OK ) {
+ if (AFP_OK == ( rc = setdirparams(vol, path, bitmap, ibuf )) ) {
setvoltime(obj, vol );
}
return( rc );
*/
struct path Cur_Path = {
+ 0,
"", /* mac name */
".", /* unix name */
0, /* stat is not set */
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 ) {
+ if (NULL == ( dir = dirlookup( vol, did )) ) {
return( AFPERR_NOOBJ );
}
- if (( s_path = cname( vol, dir, &ibuf )) == NULL ) {
- switch( errno ) {
- case EACCES:
- return( AFPERR_ACCESS );
- case EEXIST: /* FIXME this one is impossible? */
- return( AFPERR_EXIST );
- default:
- return( AFPERR_NOOBJ );
- }
+ if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
+ return afp_errno;
}
/* FIXME check done elswhere? cname was able to move curdir to it! */
if (*s_path->m_name == '\0')
}
if ( movecwd( vol, curdir->d_parent ) < 0 ) {
- return( AFPERR_NOOBJ );
+ return afp_errno;
}
if ( rmdir(fdir->d_u_name) < 0 ) {
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 ) {
- return( AFPERR_NOOBJ );
+ if (NULL == ( parentdir = dirlookup( vol, did )) ) {
+ return afp_errno;
}
- if (( path = cname( vol, parentdir, &ibuf )) == NULL ) {
- switch( errno ) {
- case EACCES:
- return( AFPERR_ACCESS );
- default:
- return( AFPERR_NOOBJ );
- }
+ if (NULL == ( path = cname( vol, parentdir, &ibuf )) ) {
+ return afp_errno;
}
if ( *path->m_name != '\0' ) {
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