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s3:smbd: refactor fsp_new() out of file_new()
Pair-Programmed-With: Volker Lendecke <vl@samba.org> Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
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@ -54,6 +54,54 @@ static unsigned long get_gen_count(struct smbd_server_connection *sconn)
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return sconn->file_gen_counter;
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}
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/**
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* create new fsp to be used for file_new or a durable handle reconnect
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*/
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NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
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files_struct **result)
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{
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NTSTATUS status = NT_STATUS_NO_MEMORY;
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files_struct *fsp = NULL;
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struct smbd_server_connection *sconn = conn->sconn;
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fsp = talloc_zero(mem_ctx, struct files_struct);
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if (fsp == NULL) {
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goto fail;
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}
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/*
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* This can't be a child of fsp because the file_handle can be ref'd
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* when doing a dos/fcb open, which will then share the file_handle
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* across multiple fsps.
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*/
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fsp->fh = talloc_zero(mem_ctx, struct fd_handle);
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if (fsp->fh == NULL) {
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goto fail;
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}
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fsp->fh->ref_count = 1;
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fsp->fh->fd = -1;
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fsp->fnum = -1;
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fsp->conn = conn;
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DLIST_ADD(sconn->files, fsp);
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sconn->num_files += 1;
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conn->num_files_open++;
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*result = fsp;
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return NT_STATUS_OK;
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fail:
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if (fsp != NULL) {
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TALLOC_FREE(fsp->fh);
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}
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TALLOC_FREE(fsp);
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return status;
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}
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/****************************************************************************
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Find first available file slot.
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****************************************************************************/
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@ -66,6 +114,13 @@ NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
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files_struct *fsp;
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NTSTATUS status;
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status = fsp_new(conn, conn, &fsp);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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GetTimeOfDay(&fsp->open_time);
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if (sconn->file_bmap != NULL) {
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/*
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@ -92,36 +147,7 @@ NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
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*/
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return NT_STATUS_TOO_MANY_OPENED_FILES;
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}
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}
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/*
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* Make a child of the connection_struct as an fsp can't exist
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* independent of a connection.
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*/
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fsp = talloc_zero(conn, struct files_struct);
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if (!fsp) {
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return NT_STATUS_NO_MEMORY;
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}
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/*
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* This can't be a child of fsp because the file_handle can be ref'd
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* when doing a dos/fcb open, which will then share the file_handle
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* across multiple fsps.
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*/
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fsp->fh = talloc_zero(conn, struct fd_handle);
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if (!fsp->fh) {
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TALLOC_FREE(fsp);
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return NT_STATUS_NO_MEMORY;
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}
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fsp->fh->ref_count = 1;
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fsp->fh->fd = -1;
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fsp->fnum = -1;
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fsp->conn = conn;
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GetTimeOfDay(&fsp->open_time);
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if (sconn->file_bmap != NULL) {
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sconn->first_file = (i+1) % (sconn->real_max_open_files);
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bitmap_set(sconn->file_bmap, i);
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@ -132,11 +158,6 @@ NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
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fsp->fh->gen_id = get_gen_count(sconn);
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}
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DLIST_ADD(sconn->files, fsp);
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sconn->num_files += 1;
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conn->num_files_open++;
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/*
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* Create an smb_filename with "" for the base_name. There are very
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* few NULL checks, so make sure it's initialized with something. to
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@ -364,6 +364,8 @@ NTSTATUS filename_convert_with_privilege(TALLOC_CTX *mem_ctx,
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/* The following definitions come from smbd/files.c */
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NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
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files_struct **result);
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NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
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files_struct **result);
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void file_close_conn(connection_struct *conn);
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