From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 19:20:00 +0200 Subject: Adding upstream version 2:4.20.0+dfsg. Signed-off-by: Daniel Baumann --- source4/libcli/smb2/write.c | 81 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 source4/libcli/smb2/write.c (limited to 'source4/libcli/smb2/write.c') diff --git a/source4/libcli/smb2/write.c b/source4/libcli/smb2/write.c new file mode 100644 index 0000000..62ffe2e --- /dev/null +++ b/source4/libcli/smb2/write.c @@ -0,0 +1,81 @@ +/* + Unix SMB/CIFS implementation. + + SMB2 client write 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 3 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, see . +*/ + +#include "includes.h" +#include "libcli/smb2/smb2.h" +#include "libcli/smb2/smb2_calls.h" + +/* + send a write request +*/ +struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io) +{ + NTSTATUS status; + struct smb2_request *req; + + req = smb2_request_init_tree(tree, SMB2_OP_WRITE, 0x30, true, io->in.data.length); + if (req == NULL) return NULL; + + status = smb2_push_o16s32_blob(&req->out, 0x02, io->in.data); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(req); + return NULL; + } + + SBVAL(req->out.body, 0x08, io->in.offset); + smb2_push_handle(req->out.body+0x10, &io->in.file.handle); + + SBVAL(req->out.body, 0x20, io->in.unknown1); + SBVAL(req->out.body, 0x28, io->in.unknown2); + + smb2_transport_send(req); + + return req; +} + + +/* + recv a write reply +*/ +NTSTATUS smb2_write_recv(struct smb2_request *req, struct smb2_write *io) +{ + if (!smb2_request_receive(req) || + !smb2_request_is_ok(req)) { + return smb2_request_destroy(req); + } + + SMB2_CHECK_PACKET_RECV(req, 0x10, true); + + io->out._pad = SVAL(req->in.body, 0x02); + io->out.nwritten = IVAL(req->in.body, 0x04); + io->out.unknown1 = BVAL(req->in.body, 0x08); + + return smb2_request_destroy(req); +} + +/* + sync write request +*/ +NTSTATUS smb2_write(struct smb2_tree *tree, struct smb2_write *io) +{ + struct smb2_request *req = smb2_write_send(tree, io); + return smb2_write_recv(req, io); +} -- cgit v1.2.3