int
smb_vop_stream_create(vnode_t *fvp, char *stream_name, smb_attr_t *attr,
vnode_t **vpp, vnode_t **xattrdirvpp, int flags, cred_t *cr)
{
char *solaris_stream_name;
int error;
if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp,
LOOKUP_XATTR | CREATE_XATTR_DIR, cr)) != 0)
return (error);
/*
* Prepend SMB_STREAM_PREFIX to stream name
*/
solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP);
(void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX,
stream_name);
if ((error = smb_vop_create(*xattrdirvpp, solaris_stream_name, attr,
vpp, flags, cr, NULL)) != 0)
VN_RELE(*xattrdirvpp);
kmem_free(solaris_stream_name, MAXNAMELEN);
return (error);
}
int
smb_vop_stream_remove(vnode_t *vp, char *stream_name, int flags, cred_t *cr)
{
char *solaris_stream_name;
vnode_t *xattrdirvp;
int error;
error = smb_vop_lookup_xattrdir(vp, &xattrdirvp, LOOKUP_XATTR, cr);
if (error != 0)
return (error);
/*
* Prepend SMB_STREAM_PREFIX to stream name
*/
solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP);
(void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX,
stream_name);
/* XXX might have to use kcred */
error = smb_vop_remove(xattrdirvp, solaris_stream_name, flags, cr);
kmem_free(solaris_stream_name, MAXNAMELEN);
return (error);
}
/*
* smb_vop_stream_lookup()
*
* The name returned in od_name is the on-disk name of the stream with the
* SMB_STREAM_PREFIX stripped off. od_name should be allocated to MAXNAMELEN
* by the caller.
*/
int
smb_vop_stream_lookup(
vnode_t *fvp,
char *stream_name,
vnode_t **vpp,
char *od_name,
vnode_t **xattrdirvpp,
int flags,
vnode_t *rootvp,
cred_t *cr)
{
char *solaris_stream_name;
char *name;
int error, tmpflgs;
if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp,
LOOKUP_XATTR | CREATE_XATTR_DIR, cr)) != 0)
return (error);
/*
* Prepend SMB_STREAM_PREFIX to stream name
*/
solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP);
(void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX,
stream_name);
/*
* "name" will hold the on-disk name returned from smb_vop_lookup
* for the stream, including the SMB_STREAM_PREFIX.
*/
name = kmem_zalloc(MAXNAMELEN, KM_SLEEP);
if ((error = smb_vop_lookup(*xattrdirvpp, solaris_stream_name, vpp,
name, flags, &tmpflgs, rootvp, cr)) != 0) {
VN_RELE(*xattrdirvpp);
} else {
(void) strlcpy(od_name, &(name[SMB_STREAM_PREFIX_LEN]),
MAXNAMELEN);
}
kmem_free(solaris_stream_name, MAXNAMELEN);
kmem_free(name, MAXNAMELEN);
return (error);
}
/*
* smb_odir_openat
*
* Create an odir representing the extended attribute directory
* associated with the file (or directory) represented by unode.
*
* Returns:
* odid - Unique identifier of newly created odir.
* 0 - error, error details set in sr.
*/
uint16_t
smb_odir_openat(smb_request_t *sr, smb_node_t *unode)
{
int rc;
vnode_t *xattr_dvp;
uint16_t odid;
cred_t *cr;
char pattern[SMB_STREAM_PREFIX_LEN + 2];
smb_node_t *xattr_dnode;
ASSERT(sr);
ASSERT(sr->sr_magic == SMB_REQ_MAGIC);
ASSERT(unode);
ASSERT(unode->n_magic == SMB_NODE_MAGIC);
if (SMB_TREE_CONTAINS_NODE(sr, unode) == 0 ||
SMB_TREE_HAS_ACCESS(sr, ACE_LIST_DIRECTORY) == 0) {
smbsr_error(sr, NT_STATUS_ACCESS_DENIED,
ERRDOS, ERROR_ACCESS_DENIED);
return (0);
}
cr = zone_kcred();
/* find the xattrdir vnode */
rc = smb_vop_lookup_xattrdir(unode->vp, &xattr_dvp, LOOKUP_XATTR, cr);
if (rc != 0) {
smbsr_errno(sr, rc);
return (0);
}
/* lookup the xattrdir's smb_node */
xattr_dnode = smb_node_lookup(sr, NULL, cr, xattr_dvp, XATTR_DIR,
unode, NULL);
VN_RELE(xattr_dvp);
if (xattr_dnode == NULL) {
smbsr_error(sr, NT_STATUS_NO_MEMORY,
ERRDOS, ERROR_NOT_ENOUGH_MEMORY);
return (0);
}
(void) snprintf(pattern, sizeof (pattern), "%s*", SMB_STREAM_PREFIX);
odid = smb_odir_create(sr, xattr_dnode, pattern, SMB_SEARCH_ATTRIBUTES,
cr);
smb_node_release(xattr_dnode);
return (odid);
}
