static int add_object_id(ntfs_inode *ni, int flags)
{
int res;
u8 dummy;
res = -1; /* default return */
if (!ntfs_attr_exist(ni,AT_OBJECT_ID, AT_UNNAMED,0)) {
if (!(flags & XATTR_REPLACE)) {
/*
* no object id attribute : add one,
* apparently, this does not feed the new value in
* Note : NTFS version must be >= 3
*/
if (ni->vol->major_ver >= 3) {
res = ntfs_attr_add(ni, AT_OBJECT_ID,
AT_UNNAMED, 0, &dummy, (s64)0);
NInoSetDirty(ni);
} else
errno = ENOTSUP;
} else
errno = ENODATA;
} else {
if (flags & XATTR_CREATE)
errno = EEXIST;
else
res = 0;
}
return (res);
}
static int ntfs_ibm_add(ntfs_index_context *icx)
{
u8 bmp[8];
ntfs_log_trace("Entering\n");
if (ntfs_attr_exist(icx->ni, AT_BITMAP, icx->name, icx->name_len))
return STATUS_OK;
/*
* AT_BITMAP must be at least 8 bytes.
*/
memset(bmp, 0, sizeof(bmp));
if (ntfs_attr_add(icx->ni, AT_BITMAP, icx->name, icx->name_len,
bmp, sizeof(bmp))) {
ntfs_log_perror("Failed to add AT_BITMAP");
return STATUS_ERROR;
}
return STATUS_OK;
}
static int ntfs_ia_add(ntfs_index_context *icx)
{
ntfs_log_trace("Entering\n");
if (ntfs_ibm_add(icx))
return -1;
if (!ntfs_attr_exist(icx->ni, AT_INDEX_ALLOCATION, icx->name, icx->name_len)) {
if (ntfs_attr_add(icx->ni, AT_INDEX_ALLOCATION, icx->name,
icx->name_len, NULL, 0)) {
ntfs_log_perror("Failed to add AT_INDEX_ALLOCATION");
return -1;
}
}
icx->ia_na = ntfs_ia_open(icx, icx->ni);
if (!icx->ia_na)
return -1;
return 0;
}
int ntfs_set_ntfs_reparse_data(ntfs_inode *ni,
const char *value, size_t size, int flags)
{
int res;
u8 dummy;
ntfs_inode *xrni;
ntfs_index_context *xr;
res = 0;
if (ni && valid_reparse_data(ni, (const REPARSE_POINT*)value, size)) {
xr = open_reparse_index(ni->vol);
if (xr) {
if (!ntfs_attr_exist(ni,AT_REPARSE_POINT,
AT_UNNAMED,0)) {
if (!(flags & XATTR_REPLACE)) {
/*
* no reparse data attribute : add one,
* apparently, this does not feed the new value in
* Note : NTFS version must be >= 3
*/
if (ni->vol->major_ver >= 3) {
res = ntfs_attr_add(ni,
AT_REPARSE_POINT,
AT_UNNAMED,0,&dummy,
(s64)0);
if (!res) {
ni->flags |=
FILE_ATTR_REPARSE_POINT;
NInoFileNameSetDirty(ni);
}
NInoSetDirty(ni);
} else {
errno = EOPNOTSUPP;
res = -1;
}
} else {
errno = ENODATA;
res = -1;
}
} else {
if (flags & XATTR_CREATE) {
errno = EEXIST;
res = -1;
}
}
if (!res) {
/* update value and index */
res = update_reparse_data(ni,xr,value,size);
}
xrni = xr->ni;
ntfs_index_entry_mark_dirty(xr);
NInoSetDirty(xrni);
ntfs_index_ctx_put(xr);
ntfs_inode_close(xrni);
} else {
res = -1;
}
} else {
errno = EINVAL;
res = -1;
}
return (res ? -1 : 0);
}
