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af44593555
It turns out that the persistent handles are used by the Microsoft redirector to index files on oplock break requests. So even if we don't do durable handles (yet) we must set the persistent handle on create. For now just use the same handle value as we use for volatile. Jeremy.
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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Core SMB2 server
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Copyright (C) Stefan Metzmacher 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "smbd/globals.h"
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#include "../libcli/smb/smb_common.h"
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static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req,
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uint16_t in_flags,
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uint64_t in_file_id_volatile);
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NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req)
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{
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const uint8_t *inhdr;
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const uint8_t *inbody;
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int i = req->current_idx;
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uint8_t *outhdr;
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DATA_BLOB outbody;
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size_t expected_body_size = 0x18;
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size_t body_size;
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uint16_t in_flags;
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uint64_t in_file_id_persistent;
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uint64_t in_file_id_volatile;
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NTSTATUS status;
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inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
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if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
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return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
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}
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inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
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body_size = SVAL(inbody, 0x00);
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if (body_size != expected_body_size) {
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return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
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}
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in_flags = SVAL(inbody, 0x02);
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in_file_id_persistent = BVAL(inbody, 0x08);
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in_file_id_volatile = BVAL(inbody, 0x10);
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if (req->compat_chain_fsp) {
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/* skip check */
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} else if (in_file_id_persistent != in_file_id_volatile) {
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return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
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}
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status = smbd_smb2_close(req,
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in_flags,
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in_file_id_volatile);
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if (!NT_STATUS_IS_OK(status)) {
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return smbd_smb2_request_error(req, status);
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}
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outhdr = (uint8_t *)req->out.vector[i].iov_base;
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outbody = data_blob_talloc(req->out.vector, NULL, 0x3C);
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if (outbody.data == NULL) {
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return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
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}
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SSVAL(outbody.data, 0x00, 0x3C); /* struct size */
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SSVAL(outbody.data, 0x02, 0); /* flags */
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SIVAL(outbody.data, 0x04, 0); /* reserved */
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SBVAL(outbody.data, 0x08, 0); /* creation time */
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SBVAL(outbody.data, 0x10, 0); /* last access time */
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SBVAL(outbody.data, 0x18, 0); /* last write time */
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SBVAL(outbody.data, 0x20, 0); /* change time */
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SBVAL(outbody.data, 0x28, 0); /* allocation size */
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SBVAL(outbody.data, 0x30, 0); /* end of size */
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SIVAL(outbody.data, 0x38, 0); /* file attributes */
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return smbd_smb2_request_done(req, outbody, NULL);
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}
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static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req,
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uint16_t in_flags,
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uint64_t in_file_id_volatile)
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{
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NTSTATUS status;
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struct smb_request *smbreq;
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connection_struct *conn = req->tcon->compat_conn;
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files_struct *fsp;
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DEBUG(10,("smbd_smb2_close: file_id[0x%016llX]\n",
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(unsigned long long)in_file_id_volatile));
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smbreq = smbd_smb2_fake_smb_request(req);
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if (smbreq == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
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if (fsp == NULL) {
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return NT_STATUS_FILE_CLOSED;
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}
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if (conn != fsp->conn) {
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return NT_STATUS_FILE_CLOSED;
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}
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if (req->session->vuid != fsp->vuid) {
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return NT_STATUS_FILE_CLOSED;
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}
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status = close_file(smbreq, fsp, NORMAL_CLOSE);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(5,("smbd_smb2_close: close_file[%s]: %s\n",
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fsp_str_dbg(fsp), nt_errstr(status)));
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return status;
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}
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return NT_STATUS_OK;
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}
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