bool remove_oplock(files_struct *fsp)
{
bool ret;
struct share_mode_lock *lck;
DEBUG(10, ("remove_oplock called for %s\n",
fsp_str_dbg(fsp)));
/* Remove the oplock flag from the sharemode. */
lck = get_existing_share_mode_lock(talloc_tos(), fsp->file_id);
if (lck == NULL) {
DEBUG(0,("remove_oplock: failed to lock share entry for "
"file %s\n", fsp_str_dbg(fsp)));
return False;
}
ret = remove_share_oplock(lck, fsp);
if (!ret) {
DEBUG(0,("remove_oplock: failed to remove share oplock for "
"file %s, %s, %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
release_file_oplock(fsp);
ret = update_num_read_oplocks(fsp, lck);
if (!ret) {
DEBUG(0, ("%s: update_num_read_oplocks failed for "
"file %s, %s, %s\n",
__func__, fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
TALLOC_FREE(lck);
return ret;
}
static NTSTATUS close_normal_file(struct smb_request *req, files_struct *fsp,
enum file_close_type close_type)
{
NTSTATUS status = NT_STATUS_OK;
NTSTATUS tmp;
connection_struct *conn = fsp->conn;
if (close_type == ERROR_CLOSE) {
cancel_aio_by_fsp(fsp);
} else {
/*
* If we're finishing async io on a close we can get a write
* error here, we must remember this.
*/
int ret = wait_for_aio_completion(fsp);
if (ret) {
status = ntstatus_keeperror(
status, map_nt_error_from_unix(ret));
}
}
/*
* If we're flushing on a close we can get a write
* error here, we must remember this.
*/
tmp = close_filestruct(fsp);
status = ntstatus_keeperror(status, tmp);
if (fsp->print_file) {
/* FIXME: return spool errors */
print_spool_end(fsp, close_type);
file_free(req, fsp);
return NT_STATUS_OK;
}
/* Remove the oplock before potentially deleting the file. */
if(fsp->oplock_type) {
release_file_oplock(fsp);
}
/* If this is an old DOS or FCB open and we have multiple opens on
the same handle we only have one share mode. Ensure we only remove
the share mode on the last close. */
if (fsp->fh->ref_count == 1) {
/* Should we return on error here... ? */
tmp = close_remove_share_mode(fsp, close_type);
status = ntstatus_keeperror(status, tmp);
}
locking_close_file(conn->sconn->msg_ctx, fsp, close_type);
tmp = fd_close(fsp);
status = ntstatus_keeperror(status, tmp);
/* check for magic scripts */
if (close_type == NORMAL_CLOSE) {
tmp = check_magic(fsp);
status = ntstatus_keeperror(status, tmp);
}
/*
* Ensure pending modtime is set after close.
*/
tmp = update_write_time_on_close(fsp);
if (NT_STATUS_EQUAL(tmp, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
/* Someone renamed the file or a parent directory containing
* this file. We can't do anything about this, we don't have
* an "update timestamp by fd" call in POSIX. Eat the error. */
tmp = NT_STATUS_OK;
}
status = ntstatus_keeperror(status, tmp);
DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
conn->session_info->unix_info->unix_name, fsp_str_dbg(fsp),
conn->num_files_open - 1,
nt_errstr(status) ));
file_free(req, fsp);
return status;
}
static NTSTATUS close_normal_file(files_struct *fsp, enum file_close_type close_type)
{
NTSTATUS status = NT_STATUS_OK;
NTSTATUS saved_status1 = NT_STATUS_OK;
NTSTATUS saved_status2 = NT_STATUS_OK;
NTSTATUS saved_status3 = NT_STATUS_OK;
connection_struct *conn = fsp->conn;
if (fsp->aio_write_behind) {
/*
* If we're finishing write behind on a close we can get a write
* error here, we must remember this.
*/
int ret = wait_for_aio_completion(fsp);
if (ret) {
saved_status1 = map_nt_error_from_unix(ret);
}
} else {
cancel_aio_by_fsp(fsp);
}
/*
* If we're flushing on a close we can get a write
* error here, we must remember this.
*/
saved_status2 = close_filestruct(fsp);
if (fsp->print_file) {
print_fsp_end(fsp, close_type);
file_free(fsp);
return NT_STATUS_OK;
}
/* If this is an old DOS or FCB open and we have multiple opens on
the same handle we only have one share mode. Ensure we only remove
the share mode on the last close. */
if (fsp->fh->ref_count == 1) {
/* Should we return on error here... ? */
saved_status3 = close_remove_share_mode(fsp, close_type);
}
if(fsp->oplock_type) {
release_file_oplock(fsp);
}
locking_close_file(fsp);
status = fd_close(conn, fsp);
/* check for magic scripts */
if (close_type == NORMAL_CLOSE) {
check_magic(fsp,conn);
}
/*
* Ensure pending modtime is set after close.
*/
if (fsp->pending_modtime_owner && !null_timespec(fsp->pending_modtime)) {
set_filetime(conn, fsp->fsp_name, fsp->pending_modtime);
} else if (!null_timespec(fsp->last_write_time)) {
set_filetime(conn, fsp->fsp_name, fsp->last_write_time);
}
if (NT_STATUS_IS_OK(status)) {
if (!NT_STATUS_IS_OK(saved_status1)) {
status = saved_status1;
} else if (!NT_STATUS_IS_OK(saved_status2)) {
status = saved_status2;
} else if (!NT_STATUS_IS_OK(saved_status3)) {
status = saved_status3;
}
}
DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
conn->user,fsp->fsp_name,
conn->num_files_open,
nt_errstr(status) ));
file_free(fsp);
return status;
}
static NTSTATUS close_normal_file(files_struct *fsp, enum file_close_type close_type)
{
NTSTATUS status = NT_STATUS_OK;
NTSTATUS saved_status1 = NT_STATUS_OK;
NTSTATUS saved_status2 = NT_STATUS_OK;
NTSTATUS saved_status3 = NT_STATUS_OK;
NTSTATUS saved_status4 = NT_STATUS_OK;
connection_struct *conn = fsp->conn;
if (fsp->aio_write_behind) {
/*
* If we're finishing write behind on a close we can get a write
* error here, we must remember this.
*/
int ret = wait_for_aio_completion(fsp);
if (ret) {
saved_status1 = map_nt_error_from_unix(ret);
}
} else {
cancel_aio_by_fsp(fsp);
}
/*
* If we're flushing on a close we can get a write
* error here, we must remember this.
*/
saved_status2 = close_filestruct(fsp);
if (fsp->print_file) {
#ifndef AVM_NO_PRINTING
print_fsp_end(fsp, close_type);
#endif
file_free(fsp);
return NT_STATUS_OK;
}
/* If this is an old DOS or FCB open and we have multiple opens on
the same handle we only have one share mode. Ensure we only remove
the share mode on the last close. */
if (fsp->fh->ref_count == 1) {
/* Should we return on error here... ? */
saved_status3 = close_remove_share_mode(fsp, close_type);
}
if(fsp->oplock_type) {
release_file_oplock(fsp);
}
locking_close_file(smbd_messaging_context(), fsp);
status = fd_close(fsp);
/* check for magic scripts */
if (close_type == NORMAL_CLOSE) {
check_magic(fsp);
}
/*
* Ensure pending modtime is set after close.
*/
saved_status4 = update_write_time_on_close(fsp);
if (NT_STATUS_EQUAL(saved_status4, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
/* Someone renamed the file or a parent directory containing
* this file. We can't do anything about this, we don't have
* an "update timestamp by fd" call in POSIX. Eat the error. */
saved_status4 = NT_STATUS_OK;
}
if (NT_STATUS_IS_OK(status)) {
if (!NT_STATUS_IS_OK(saved_status1)) {
status = saved_status1;
} else if (!NT_STATUS_IS_OK(saved_status2)) {
status = saved_status2;
} else if (!NT_STATUS_IS_OK(saved_status3)) {
status = saved_status3;
} else if (!NT_STATUS_IS_OK(saved_status4)) {
status = saved_status4;
}
}
DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
conn->server_info->unix_name,fsp->fsp_name,
conn->num_files_open - 1,
nt_errstr(status) ));
file_free(fsp);
return status;
}
static int close_normal_file(files_struct *fsp, enum file_close_type close_type)
{
connection_struct *conn = fsp->conn;
int saved_errno = 0;
int err = 0;
int err1 = 0;
remove_pending_lock_requests_by_fid(fsp);
if (fsp->aio_write_behind) {
/*
* If we're finishing write behind on a close we can get a write
* error here, we must remember this.
*/
int ret = wait_for_aio_completion(fsp);
if (ret) {
saved_errno = ret;
err1 = -1;
}
} else {
cancel_aio_by_fsp(fsp);
}
/*
* If we're flushing on a close we can get a write
* error here, we must remember this.
*/
if (close_filestruct(fsp) == -1) {
saved_errno = errno;
err1 = -1;
}
if (fsp->print_file) {
#ifndef AVM_NO_PRINTING
print_fsp_end(fsp, close_type);
#endif
file_free(fsp);
return 0;
}
/* If this is an old DOS or FCB open and we have multiple opens on
the same handle we only have one share mode. Ensure we only remove
the share mode on the last close. */
if (fsp->fh->ref_count == 1) {
/* Should we return on error here... ? */
close_remove_share_mode(fsp, close_type);
}
if(fsp->oplock_type) {
release_file_oplock(fsp);
}
locking_close_file(fsp);
err = fd_close(conn, fsp);
/* Only save errno if fd_close failed and we don't already
have an errno saved from a flush call. */
if ((err1 != -1) && (err == -1)) {
saved_errno = errno;
}
/* check for magic scripts */
if (close_type == NORMAL_CLOSE) {
check_magic(fsp,conn);
}
/*
* Ensure pending modtime is set after close.
*/
if(fsp->pending_modtime && fsp->pending_modtime_owner) {
set_filetime(conn, fsp->fsp_name, fsp->pending_modtime);
} else if (fsp->last_write_time) {
set_filetime(conn, fsp->fsp_name, fsp->last_write_time);
}
DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
conn->user,fsp->fsp_name,
conn->num_files_open,
(err == -1 || err1 == -1) ? strerror(saved_errno) : ""));
file_free(fsp);
if (err == -1 || err1 == -1) {
errno = saved_errno;
return saved_errno;
} else {
return 0;
}
}
bool remove_oplock(files_struct *fsp)
{
bool ret;
struct share_mode_lock *lck;
DEBUG(10, ("remove_oplock called for %s\n",
fsp_str_dbg(fsp)));
/* Remove the oplock flag from the sharemode. */
lck = get_existing_share_mode_lock(talloc_tos(), fsp->file_id);
if (lck == NULL) {
DEBUG(0,("remove_oplock: failed to lock share entry for "
"file %s\n", fsp_str_dbg(fsp)));
return False;
}
if (fsp->oplock_type == LEVEL_II_OPLOCK) {
/*
* If we're the only LEVEL_II holder, we have to remove the
* have_read_oplocks from the brlock entry
*/
struct share_mode_data *data = lck->data;
uint32_t i, num_level2;
num_level2 = 0;
for (i=0; i<data->num_share_modes; i++) {
if (data->share_modes[i].op_type == LEVEL_II_OPLOCK) {
num_level2 += 1;
}
if (num_level2 > 1) {
/*
* No need to count them all...
*/
break;
}
}
if (num_level2 == 1) {
/*
* That's only us. We are dropping that level2 oplock,
* so remove the brlock flag.
*/
struct byte_range_lock *brl;
brl = brl_get_locks(talloc_tos(), fsp);
if (brl) {
brl_set_have_read_oplocks(brl, false);
TALLOC_FREE(brl);
}
}
}
ret = remove_share_oplock(lck, fsp);
if (!ret) {
DEBUG(0,("remove_oplock: failed to remove share oplock for "
"file %s, %s, %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp),
file_id_string_tos(&fsp->file_id)));
}
release_file_oplock(fsp);
TALLOC_FREE(lck);
return ret;
}
static NTSTATUS close_normal_file(struct smb_request *req, files_struct *fsp,
enum file_close_type close_type)
{
NTSTATUS status = NT_STATUS_OK;
NTSTATUS tmp;
connection_struct *conn = fsp->conn;
bool is_durable = false;
if (fsp->num_aio_requests != 0) {
if (close_type != SHUTDOWN_CLOSE) {
/*
* reply_close and the smb2 close must have
* taken care of this. No other callers of
* close_file should ever have created async
* I/O.
*
* We need to panic here because if we close()
* the fd while we have outstanding async I/O
* requests, in the worst case we could end up
* writing to the wrong file.
*/
DEBUG(0, ("fsp->num_aio_requests=%u\n",
fsp->num_aio_requests));
smb_panic("can not close with outstanding aio "
"requests");
}
/*
* For shutdown close, just drop the async requests
* including a potential close request pending for
* this fsp. Drop the close request first, the
* destructor for the aio_requests would execute it.
*/
TALLOC_FREE(fsp->deferred_close);
while (fsp->num_aio_requests != 0) {
/*
* The destructor of the req will remove
* itself from the fsp.
* Don't use TALLOC_FREE here, this will overwrite
* what the destructor just wrote into
* aio_requests[0].
*/
talloc_free(fsp->aio_requests[0]);
}
}
/*
* If we're flushing on a close we can get a write
* error here, we must remember this.
*/
tmp = close_filestruct(fsp);
status = ntstatus_keeperror(status, tmp);
if (NT_STATUS_IS_OK(status) && fsp->op != NULL) {
is_durable = fsp->op->global->durable;
}
if (close_type != SHUTDOWN_CLOSE) {
is_durable = false;
}
if (is_durable) {
DATA_BLOB new_cookie = data_blob_null;
tmp = SMB_VFS_DURABLE_DISCONNECT(fsp,
fsp->op->global->backend_cookie,
fsp->op,
&new_cookie);
if (NT_STATUS_IS_OK(tmp)) {
struct timeval tv;
NTTIME now;
if (req != NULL) {
tv = req->request_time;
} else {
tv = timeval_current();
}
now = timeval_to_nttime(&tv);
data_blob_free(&fsp->op->global->backend_cookie);
fsp->op->global->backend_cookie = new_cookie;
fsp->op->compat = NULL;
tmp = smbXsrv_open_close(fsp->op, now);
if (!NT_STATUS_IS_OK(tmp)) {
DEBUG(1, ("Failed to update smbXsrv_open "
"record when disconnecting durable "
"handle for file %s: %s - "
"proceeding with normal close\n",
fsp_str_dbg(fsp), nt_errstr(tmp)));
}
scavenger_schedule_disconnected(fsp);
} else {
DEBUG(1, ("Failed to disconnect durable handle for "
"file %s: %s - proceeding with normal "
"close\n", fsp_str_dbg(fsp), nt_errstr(tmp)));
}
if (!NT_STATUS_IS_OK(tmp)) {
is_durable = false;
}
}
if (is_durable) {
/*
* This is the case where we successfully disconnected
* a durable handle and closed the underlying file.
* In all other cases, we proceed with a genuine close.
*/
DEBUG(10, ("%s disconnected durable handle for file %s\n",
conn->session_info->unix_info->unix_name,
fsp_str_dbg(fsp)));
file_free(req, fsp);
return NT_STATUS_OK;
}
if (fsp->op != NULL) {
/*
* Make sure the handle is not marked as durable anymore
*/
fsp->op->global->durable = false;
}
if (fsp->print_file) {
/* FIXME: return spool errors */
print_spool_end(fsp, close_type);
file_free(req, fsp);
return NT_STATUS_OK;
}
/* Remove the oplock before potentially deleting the file. */
if(fsp->oplock_type) {
release_file_oplock(fsp);
}
/* If this is an old DOS or FCB open and we have multiple opens on
the same handle we only have one share mode. Ensure we only remove
the share mode on the last close. */
if (fsp->fh->ref_count == 1) {
/* Should we return on error here... ? */
tmp = close_remove_share_mode(fsp, close_type);
status = ntstatus_keeperror(status, tmp);
}
locking_close_file(conn->sconn->msg_ctx, fsp, close_type);
tmp = fd_close(fsp);
status = ntstatus_keeperror(status, tmp);
/* check for magic scripts */
if (close_type == NORMAL_CLOSE) {
tmp = check_magic(fsp);
status = ntstatus_keeperror(status, tmp);
}
/*
* Ensure pending modtime is set after close.
*/
tmp = update_write_time_on_close(fsp);
if (NT_STATUS_EQUAL(tmp, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
/* Someone renamed the file or a parent directory containing
* this file. We can't do anything about this, we don't have
* an "update timestamp by fd" call in POSIX. Eat the error. */
tmp = NT_STATUS_OK;
}
status = ntstatus_keeperror(status, tmp);
DEBUG(2,("%s closed file %s (numopen=%d) %s\n",
conn->session_info->unix_info->unix_name, fsp_str_dbg(fsp),
conn->num_files_open - 1,
nt_errstr(status) ));
file_free(req, fsp);
return status;
}
