From: Ralph Boehme <slow@samba.org>
Date: Wed, 20 May 2020 15:01:48 +0000 (+0200)
Subject: s3/vfs: add vfs_at_fspcwd()
X-Git-Tag: ldb-2.2.0~408
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19a1ed2cacf691cdf003f44cbe80a772e871254c;p=thirdparty%2Fsamba.git

s3/vfs: add vfs_at_fspcwd()

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 0e96fcccc65..12aa392abae 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -80,6 +80,10 @@ int map_errno_from_nt_status(NTSTATUS status);
 
 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf);
 
+NTSTATUS vfs_at_fspcwd(TALLOC_CTX *mem_ctx,
+		       struct connection_struct *conn,
+		       struct files_struct **_fsp);
+
 /* The following definitions come from lib/interface.c  */
 
 bool ismyaddr(const struct sockaddr *ip);
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index dbb2c05493b..454f88e5652 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -1555,6 +1555,37 @@ struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_S
 	return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
 }
 
+NTSTATUS vfs_at_fspcwd(TALLOC_CTX *mem_ctx,
+		       struct connection_struct *conn,
+		       struct files_struct **_fsp)
+{
+	struct files_struct *fsp = NULL;
+
+	fsp = talloc_zero(mem_ctx, struct files_struct);
+	if (fsp == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	fsp->fsp_name = synthetic_smb_fname(fsp, ".", NULL, NULL, 0, 0);
+	if (fsp->fsp_name == NULL) {
+		TALLOC_FREE(fsp);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	fsp->fh = talloc_zero(fsp, struct fd_handle);
+	if (fsp->fh == NULL) {
+		TALLOC_FREE(fsp);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	fsp->fh->fd = AT_FDCWD;
+	fsp->fnum = FNUM_FIELD_INVALID;
+	fsp->conn = conn;
+
+	*_fsp = fsp;
+	return NT_STATUS_OK;
+}
+
 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
 			 const char *service, const char *user)
 {