1/* 2 Unix SMB/CIFS implementation. 3 4 SMB2 client write call 5 6 Copyright (C) Andrew Tridgell 2005 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. 20*/ 21 22#include "includes.h" 23#include "libcli/smb2/smb2.h" 24#include "libcli/smb2/smb2_calls.h" 25 26/* 27 send a write request 28*/ 29struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io) 30{ 31 NTSTATUS status; 32 struct smb2_request *req; 33 34 req = smb2_request_init_tree(tree, SMB2_OP_WRITE, 0x30, true, io->in.data.length); 35 if (req == NULL) return NULL; 36 37 status = smb2_push_o16s32_blob(&req->out, 0x02, io->in.data); 38 if (!NT_STATUS_IS_OK(status)) { 39 talloc_free(req); 40 return NULL; 41 } 42 43 SBVAL(req->out.body, 0x08, io->in.offset); 44 smb2_push_handle(req->out.body+0x10, &io->in.file.handle); 45 46 SBVAL(req->out.body, 0x20, io->in.unknown1); 47 SBVAL(req->out.body, 0x28, io->in.unknown2); 48 49 smb2_transport_send(req); 50 51 return req; 52} 53 54 55/* 56 recv a write reply 57*/ 58NTSTATUS smb2_write_recv(struct smb2_request *req, struct smb2_write *io) 59{ 60 if (!smb2_request_receive(req) || 61 smb2_request_is_error(req)) { 62 return smb2_request_destroy(req); 63 } 64 65 SMB2_CHECK_PACKET_RECV(req, 0x10, true); 66 67 io->out._pad = SVAL(req->in.body, 0x02); 68 io->out.nwritten = IVAL(req->in.body, 0x04); 69 io->out.unknown1 = BVAL(req->in.body, 0x08); 70 71 return smb2_request_destroy(req); 72} 73 74/* 75 sync write request 76*/ 77NTSTATUS smb2_write(struct smb2_tree *tree, struct smb2_write *io) 78{ 79 struct smb2_request *req = smb2_write_send(tree, io); 80 return smb2_write_recv(req, io); 81} 82