/* Unix SMB/CIFS implementation. Core SMB2 server Copyright (C) Stefan Metzmacher 2009 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 <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "smbd/globals.h" #include "../libcli/smb/smb_common.h" static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req, uint16_t in_flags, uint64_t in_file_id_volatile); NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req) { const uint8_t *inhdr; const uint8_t *inbody; int i = req->current_idx; uint8_t *outhdr; DATA_BLOB outbody; size_t expected_body_size = 0x18; size_t body_size; uint16_t in_flags; uint64_t in_file_id_persistent; uint64_t in_file_id_volatile; NTSTATUS status; inhdr = (const uint8_t *)req->in.vector[i+0].iov_base; if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) { return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER); } inbody = (const uint8_t *)req->in.vector[i+1].iov_base; body_size = SVAL(inbody, 0x00); if (body_size != expected_body_size) { return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER); } in_flags = SVAL(inbody, 0x02); in_file_id_persistent = BVAL(inbody, 0x08); in_file_id_volatile = BVAL(inbody, 0x10); if (req->compat_chain_fsp) { /* skip check */ } else if (in_file_id_persistent != in_file_id_volatile) { return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED); } status = smbd_smb2_close(req, in_flags, in_file_id_volatile); if (!NT_STATUS_IS_OK(status)) { return smbd_smb2_request_error(req, status); } outhdr = (uint8_t *)req->out.vector[i].iov_base; outbody = data_blob_talloc(req->out.vector, NULL, 0x3C); if (outbody.data == NULL) { return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY); } SSVAL(outbody.data, 0x00, 0x3C); /* struct size */ SSVAL(outbody.data, 0x02, 0); /* flags */ SIVAL(outbody.data, 0x04, 0); /* reserved */ SBVAL(outbody.data, 0x08, 0); /* creation time */ SBVAL(outbody.data, 0x10, 0); /* last access time */ SBVAL(outbody.data, 0x18, 0); /* last write time */ SBVAL(outbody.data, 0x20, 0); /* change time */ SBVAL(outbody.data, 0x28, 0); /* allocation size */ SBVAL(outbody.data, 0x30, 0); /* end of size */ SIVAL(outbody.data, 0x38, 0); /* file attributes */ return smbd_smb2_request_done(req, outbody, NULL); } static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req, uint16_t in_flags, uint64_t in_file_id_volatile) { NTSTATUS status; struct smb_request *smbreq; connection_struct *conn = req->tcon->compat_conn; files_struct *fsp; DEBUG(10,("smbd_smb2_close: file_id[0x%016llX]\n", (unsigned long long)in_file_id_volatile)); smbreq = smbd_smb2_fake_smb_request(req); if (smbreq == NULL) { return NT_STATUS_NO_MEMORY; } fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile); if (fsp == NULL) { return NT_STATUS_FILE_CLOSED; } if (conn != fsp->conn) { return NT_STATUS_FILE_CLOSED; } if (req->session->vuid != fsp->vuid) { return NT_STATUS_FILE_CLOSED; } status = close_file(smbreq, fsp, NORMAL_CLOSE); if (!NT_STATUS_IS_OK(status)) { DEBUG(5,("smbd_smb2_close: close_file[%s]: %s\n", fsp_str_dbg(fsp), nt_errstr(status))); return status; } return NT_STATUS_OK; }