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/*
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/smbd.h"
#include "smbd/globals.h"
#include "../libcli/smb/smb_common.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_SMB2
struct smb_request *smbd_smb2_fake_smb_request(struct smbd_smb2_request *req,
struct files_struct *fsp)
{
struct smb_request *smbreq;
const uint8_t *inhdr = SMBD_SMB2_IN_HDR_PTR(req);
if (req->smb1req) {
smbreq = req->smb1req;
} else {
smbreq = talloc_zero(req, struct smb_request);
if (smbreq == NULL) {
return NULL;
}
}
smbreq->request_time = req->request_time;
if (req->session != NULL) {
smbreq->vuid = req->session->global->session_wire_id;
}
if (req->tcon != NULL) {
smbreq->tid = req->tcon->compat->cnum;
smbreq->conn = req->tcon->compat;
}
smbreq->sconn = req->sconn;
smbreq->xconn = req->xconn;
smbreq->session = req->session;
smbreq->smbpid = (uint16_t)IVAL(inhdr, SMB2_HDR_PID);
smbreq->flags2 = FLAGS2_UNICODE_STRINGS |
FLAGS2_32_BIT_ERROR_CODES |
FLAGS2_LONG_PATH_COMPONENTS |
FLAGS2_IS_LONG_NAME;
/* Only set FLAGS2_DFS_PATHNAMES if it's really a DFS share */
if (smbreq->conn != NULL &&
lp_host_msdfs() &&
lp_msdfs_root(SNUM(smbreq->conn))) {
if (IVAL(inhdr, SMB2_HDR_FLAGS) & SMB2_HDR_FLAG_DFS) {
smbreq->flags2 |= FLAGS2_DFS_PATHNAMES;
}
}
smbreq->mid = BVAL(inhdr, SMB2_HDR_MESSAGE_ID);
smbreq->chain_fsp = req->compat_chain_fsp;
if (fsp != NULL) {
smbreq->posix_pathnames =
(fsp->fsp_name->flags & SMB_FILENAME_POSIX_PATH);
}
smbreq->smb2req = req;
req->smb1req = smbreq;
return smbreq;
}
/*********************************************************
Are there unread bytes for recvfile ?
*********************************************************/
size_t smbd_smb2_unread_bytes(struct smbd_smb2_request *req)
{
if (req->smb1req) {
return req->smb1req->unread_bytes;
}
return 0;
}
/*********************************************************
Called from file_free() to remove any chained fsp pointers.
*********************************************************/
void remove_smb2_chained_fsp(files_struct *fsp)
{
struct smbd_server_connection *sconn = fsp->conn->sconn;
struct smbXsrv_connection *xconn = NULL;
if (sconn->client != NULL) {
xconn = sconn->client->connections;
}
for (; xconn != NULL; xconn = xconn->next) {
struct smbd_smb2_request *smb2req;
for (smb2req = xconn->smb2.requests; smb2req; smb2req = smb2req->next) {
if (smb2req->compat_chain_fsp == fsp) {
smb2req->compat_chain_fsp = NULL;
}
if (smb2req->smb1req && smb2req->smb1req->chain_fsp == fsp) {
smb2req->smb1req->chain_fsp = NULL;
}
}
}
}
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