diff options
Diffstat (limited to 'source3/smbd/close.c')
-rw-r--r-- | source3/smbd/close.c | 115 |
1 files changed, 111 insertions, 4 deletions
diff --git a/source3/smbd/close.c b/source3/smbd/close.c index 4c385d7611..4bd23a35fc 100644 --- a/source3/smbd/close.c +++ b/source3/smbd/close.c @@ -156,6 +156,75 @@ static void notify_deferred_opens(struct share_mode_lock *lck) } /**************************************************************************** + Delete all streams +****************************************************************************/ + +static NTSTATUS delete_all_streams(connection_struct *conn, const char *fname) +{ + struct stream_struct *stream_info; + int i; + unsigned int num_streams; + TALLOC_CTX *frame = talloc_stackframe(); + NTSTATUS status; + + status = SMB_VFS_STREAMINFO(conn, NULL, fname, talloc_tos(), + &num_streams, &stream_info); + + if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) { + DEBUG(10, ("no streams around\n")); + TALLOC_FREE(frame); + return NT_STATUS_OK; + } + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("SMB_VFS_STREAMINFO failed: %s\n", + nt_errstr(status))); + goto fail; + } + + DEBUG(10, ("delete_all_streams found %d streams\n", + num_streams)); + + if (num_streams == 0) { + TALLOC_FREE(frame); + return NT_STATUS_OK; + } + + for (i=0; i<num_streams; i++) { + int res; + char *streamname; + + if (strequal(stream_info[i].name, "::$DATA")) { + continue; + } + + streamname = talloc_asprintf(talloc_tos(), "%s%s", fname, + stream_info[i].name); + + if (streamname == NULL) { + DEBUG(0, ("talloc_aprintf failed\n")); + status = NT_STATUS_NO_MEMORY; + goto fail; + } + + res = SMB_VFS_UNLINK(conn, streamname); + + TALLOC_FREE(streamname); + + if (res == -1) { + status = map_nt_error_from_unix(errno); + DEBUG(10, ("Could not delete stream %s: %s\n", + streamname, strerror(errno))); + break; + } + } + + fail: + TALLOC_FREE(frame); + return status; +} + +/**************************************************************************** Deal with removing a share mode on last close. ****************************************************************************/ @@ -305,6 +374,19 @@ static NTSTATUS close_remove_share_mode(files_struct *fsp, goto done; } + if ((conn->fs_capabilities & FILE_NAMED_STREAMS) + && !is_ntfs_stream_name(fsp->fsp_name)) { + + status = delete_all_streams(conn, fsp->fsp_name); + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(5, ("delete_all_streams failed: %s\n", + nt_errstr(status))); + goto done; + } + } + + if (SMB_VFS_UNLINK(conn,fsp->fsp_name) != 0) { /* * This call can potentially fail as another smbd may @@ -570,12 +652,37 @@ static NTSTATUS close_stat(files_struct *fsp) NTSTATUS close_file(files_struct *fsp, enum file_close_type close_type) { + NTSTATUS status; + struct files_struct *base_fsp = fsp->base_fsp; + if(fsp->is_directory) { - return close_directory(fsp, close_type); + status = close_directory(fsp, close_type); } else if (fsp->is_stat) { - return close_stat(fsp); + status = close_stat(fsp); } else if (fsp->fake_file_handle != NULL) { - return close_fake_file(fsp); + status = close_fake_file(fsp); + } else { + status = close_normal_file(fsp, close_type); + } + + if (!NT_STATUS_IS_OK(status)) { + return status; } - return close_normal_file(fsp, close_type); + + if ((base_fsp != NULL) && (close_type != SHUTDOWN_CLOSE)) { + + /* + * fsp was a stream, the base fsp can't be a stream as well + * + * For SHUTDOWN_CLOSE this is not possible here, because + * SHUTDOWN_CLOSE only happens from files.c which walks the + * complete list of files. If we mess with more than one fsp + * those loops will become confused. + */ + + SMB_ASSERT(base_fsp->base_fsp == NULL); + close_file(base_fsp, close_type); + } + + return status; } |