/*
* smb_query_by_fid
*
* Common code for querying file information by open file (or pipe) id.
* Use the id to identify the node / pipe object and request the
* smb_queryinfo_t data for that object.
*/
static int
smb_query_by_fid(smb_request_t *sr, smb_xa_t *xa, uint16_t infolev)
{
int rc;
smb_queryinfo_t *qinfo;
smb_node_t *node;
smb_opipe_t *opipe;
smbsr_lookup_file(sr);
if (sr->fid_ofile == NULL) {
smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid);
return (-1);
}
if (infolev == SMB_INFO_IS_NAME_VALID) {
smbsr_error(sr, 0, ERRDOS, ERROR_INVALID_LEVEL);
smbsr_release_file(sr);
return (-1);
}
if ((sr->fid_ofile->f_ftype == SMB_FTYPE_MESG_PIPE) &&
(!smb_query_pipe_valid_infolev(sr, infolev))) {
smbsr_release_file(sr);
return (-1);
}
sr->user_cr = smb_ofile_getcred(sr->fid_ofile);
qinfo = kmem_alloc(sizeof (smb_queryinfo_t), KM_SLEEP);
switch (sr->fid_ofile->f_ftype) {
case SMB_FTYPE_DISK:
node = sr->fid_ofile->f_node;
rc = smb_query_fileinfo(sr, node, infolev, qinfo);
break;
case SMB_FTYPE_MESG_PIPE:
opipe = sr->fid_ofile->f_pipe;
rc = smb_query_pipeinfo(sr, opipe, infolev, qinfo);
break;
default:
smbsr_error(sr, 0, ERRDOS, ERRbadfile);
rc = -1;
break;
}
if (rc == 0)
rc = smb_query_encode_response(sr, xa, infolev, qinfo);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smbsr_release_file(sr);
return (rc);
}
/*
* smb_query_by_path
*
* Common code for querying file information by file name.
* Use the file name to identify the node object and request the
* smb_queryinfo_t data for that node.
*
* Path should be set in sr->arg.dirop.fqi.fq_path prior to
* calling smb_query_by_path.
*
* Querying attributes on a named pipe by name is an error and
* is handled in the calling functions so that they can return
* the appropriate error status code (which differs by caller).
*/
static int
smb_query_by_path(smb_request_t *sr, smb_xa_t *xa, uint16_t infolev)
{
smb_queryinfo_t *qinfo;
smb_node_t *node, *dnode;
smb_pathname_t *pn;
int rc;
/*
* The function smb_query_fileinfo is used here and in
* smb_query_by_fid. That common function needs this
* one to call it with a NULL fid_ofile, so check here.
* Note: smb_query_by_fid enforces the opposite.
*
* In theory we could ASSERT this, but whether we have
* fid_ofile set here depends on what sequence of SMB
* commands the client has sent in this message, so
* let's be cautious and handle it as an error.
*/
if (sr->fid_ofile != NULL)
return (-1);
/* VALID, but not yet supported */
if (infolev == SMB_FILE_ACCESS_INFORMATION) {
smbsr_error(sr, 0, ERRDOS, ERROR_INVALID_LEVEL);
return (-1);
}
pn = &sr->arg.dirop.fqi.fq_path;
smb_pathname_init(sr, pn, pn->pn_path);
if (!smb_pathname_validate(sr, pn))
return (-1);
qinfo = kmem_alloc(sizeof (smb_queryinfo_t), KM_SLEEP);
rc = smb_pathname_reduce(sr, sr->user_cr, pn->pn_path,
sr->tid_tree->t_snode, sr->tid_tree->t_snode, &dnode,
qinfo->qi_name);
if (rc == 0) {
rc = smb_fsop_lookup_name(sr, sr->user_cr, SMB_FOLLOW_LINKS,
sr->tid_tree->t_snode, dnode, qinfo->qi_name, &node);
smb_node_release(dnode);
}
if (rc != 0) {
if (rc == ENOENT)
smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND,
ERRDOS, ERROR_FILE_NOT_FOUND);
else
smbsr_errno(sr, rc);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
return (-1);
}
if ((sr->smb_flg2 & SMB_FLAGS2_DFS) && smb_node_is_dfslink(node)) {
smbsr_error(sr, NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (-1);
}
rc = smb_query_fileinfo(sr, node, infolev, qinfo);
if (rc != 0) {
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (rc);
}
/* If delete_on_close - NT_STATUS_DELETE_PENDING */
if (qinfo->qi_delete_on_close) {
smbsr_error(sr, NT_STATUS_DELETE_PENDING,
ERRDOS, ERROR_ACCESS_DENIED);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (-1);
}
rc = smb_query_encode_response(sr, xa, infolev, qinfo);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (rc);
}
/*
* smb_query_by_path
*
* Common code for querying file information by file name.
* Use the file name to identify the node object and request the
* smb_queryinfo_t data for that node.
*
* Querying attributes on a named pipe by name is an error and
* is handled in the calling functions so that they can return
* the appropriate error status code (which differs by caller).
*/
static int
smb_query_by_path(smb_request_t *sr, smb_xa_t *xa, uint16_t infolev, char *path)
{
smb_queryinfo_t *qinfo;
smb_node_t *node, *dnode;
int rc;
int len;
/* VALID, but not yet supported */
if (infolev == SMB_FILE_ACCESS_INFORMATION) {
smbsr_error(sr, 0, ERRDOS, ERRunknownlevel);
return (-1);
}
/*
* Some MS clients pass NULL file names. NT interprets this as "\".
* Otherwise, if path is not "\\", remove the terminating slash.
*/
if ((len = strlen(path)) == 0)
path = "\\";
else {
if ((len > 1) && (path[len - 1] == '\\')) {
path[len - 1] = 0;
}
}
qinfo = kmem_alloc(sizeof (smb_queryinfo_t), KM_SLEEP);
rc = smb_pathname_reduce(sr, sr->user_cr, path, sr->tid_tree->t_snode,
sr->tid_tree->t_snode, &dnode, qinfo->qi_name);
if (rc == 0) {
rc = smb_fsop_lookup_name(sr, sr->user_cr, SMB_FOLLOW_LINKS,
sr->tid_tree->t_snode, dnode, qinfo->qi_name, &node);
smb_node_release(dnode);
}
if (rc != 0) {
if (rc == ENOENT)
smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND,
ERRDOS, ERROR_FILE_NOT_FOUND);
else
smbsr_errno(sr, rc);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
return (-1);
}
rc = smb_query_fileinfo(sr, node, infolev, qinfo);
if (rc != 0) {
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (rc);
}
/* If delete_on_close - NT_STATUS_DELETE_PENDING */
if (qinfo->qi_delete_on_close) {
smbsr_error(sr, NT_STATUS_DELETE_PENDING,
ERRDOS, ERROR_ACCESS_DENIED);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (-1);
}
rc = smb_query_encode_response(sr, xa, infolev, qinfo);
kmem_free(qinfo, sizeof (smb_queryinfo_t));
smb_node_release(node);
return (rc);
}
