From c6395a30b057c87de8ce410d5ea5ebe2e017093d Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 14 Nov 2005 05:09:26 +0000
Subject: r11715: added SMB2 read and write requests (This used to be commit
 d3556cbfa38447d2d385b697c1855b3c13d42744)

---
 source4/libcli/smb2/read.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 source4/libcli/smb2/read.c

(limited to 'source4/libcli/smb2/read.c')

diff --git a/source4/libcli/smb2/read.c b/source4/libcli/smb2/read.c
new file mode 100644
index 0000000000..cbb3f74fa4
--- /dev/null
+++ b/source4/libcli/smb2/read.c
@@ -0,0 +1,95 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   SMB2 client read call
+
+   Copyright (C) Andrew Tridgell 2005
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+
+/*
+  send a read request
+*/
+struct smb2_request *smb2_read_send(struct smb2_tree *tree, struct smb2_read *io)
+{
+	struct smb2_request *req;
+
+	req = smb2_request_init_tree(tree, SMB2_OP_READ, 0x31);
+	if (req == NULL) return NULL;
+
+	SSVAL(req->out.body, 0x00, io->in.buffer_code);
+	SSVAL(req->out.body, 0x02, 0);
+	SIVAL(req->out.body, 0x04, io->in.length);
+	SBVAL(req->out.body, 0x08, io->in.offset);
+	smb2_put_handle(req->out.body+0x10, io->in.handle);
+	memcpy(req->out.body+0x20, io->in._pad, 17);
+
+	smb2_transport_send(req);
+
+	return req;
+}
+
+
+/*
+  recv a read reply
+*/
+NTSTATUS smb2_read_recv(struct smb2_request *req, 
+			TALLOC_CTX *mem_ctx, struct smb2_read *io)
+{
+	uint16_t ofs;
+	uint32_t nread;
+
+	if (!smb2_request_receive(req) || 
+	    smb2_request_is_error(req)) {
+		return smb2_request_destroy(req);
+	}
+
+	if (req->in.body_size < 16) {
+		return NT_STATUS_BUFFER_TOO_SMALL;
+	}
+
+	SMB2_CHECK_BUFFER_CODE(req, 0x11);
+
+	ofs = SVAL(req->in.body, 0x02);
+
+	nread = IVAL(req->in.body, 0x04);
+	memcpy(io->out.unknown, req->in.body+0x08, 8);
+
+	if (smb2_oob_in(req, req->in.hdr+ofs, nread)) {
+		return NT_STATUS_BUFFER_TOO_SMALL;
+	}
+
+	io->out.data = data_blob_talloc(mem_ctx, req->in.hdr+ofs, nread);
+	if (io->out.data.data == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	return smb2_request_destroy(req);
+}
+
+/*
+  sync read request
+*/
+NTSTATUS smb2_read(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, struct smb2_read *io)
+{
+	struct smb2_request *req = smb2_read_send(tree, io);
+	return smb2_read_recv(req, mem_ctx, io);
+}
-- 
cgit