void msg_close_file(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
DATA_BLOB *data)
{
files_struct *fsp = NULL;
struct share_mode_entry e;
struct smbd_server_connection *sconn =
talloc_get_type_abort(private_data,
struct smbd_server_connection);
message_to_share_mode_entry(&e, (char *)data->data);
if(DEBUGLVL(10)) {
char *sm_str = share_mode_str(NULL, 0, &e);
if (!sm_str) {
smb_panic("talloc failed");
}
DEBUG(10,("msg_close_file: got request to close share mode "
"entry %s\n", sm_str));
TALLOC_FREE(sm_str);
}
fsp = file_find_dif(sconn, e.id, e.share_file_id);
if (!fsp) {
DEBUG(10,("msg_close_file: failed to find file.\n"));
return;
}
close_file(NULL, fsp, NORMAL_CLOSE);
}
static files_struct *initial_break_processing(
struct smbd_server_connection *sconn, struct file_id id,
unsigned long file_id)
{
files_struct *fsp = NULL;
DEBUG(3, ("initial_break_processing: called for %s/%u\n"
"Current oplocks_open (exclusive = %d, levelII = %d)\n",
file_id_string_tos(&id), (int)file_id,
sconn->oplocks.exclusive_open,
sconn->oplocks.level_II_open));
/*
* We need to search the file open table for the
* entry containing this dev and inode, and ensure
* we have an oplock on it.
*/
fsp = file_find_dif(sconn, id, file_id);
if(fsp == NULL) {
/* The file could have been closed in the meantime - return success. */
DEBUG(3, ("initial_break_processing: cannot find open file "
"with file_id %s gen_id = %lu, allowing break to "
"succeed.\n", file_id_string_tos(&id), file_id));
return NULL;
}
/* Ensure we have an oplock on the file */
/*
* There is a potential race condition in that an oplock could
* have been broken due to another udp request, and yet there are
* still oplock break messages being sent in the udp message
* queue for this file. So return true if we don't have an oplock,
* as we may have just freed it.
*/
if(fsp->oplock_type == NO_OPLOCK) {
DEBUG(3, ("initial_break_processing: file %s (file_id = %s "
"gen_id = %lu) has no oplock. Allowing break to "
"succeed regardless.\n", fsp_str_dbg(fsp),
file_id_string_tos(&id), fsp->fh->gen_id));
return NULL;
}
return fsp;
}
