| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | Core SMB2 server
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| 4 |
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| 5 | Copyright (C) Stefan Metzmacher 2009
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| 6 |
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| 7 | This program is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 3 of the License, or
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| 10 | (at your option) any later version.
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| 11 |
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| 12 | This program is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 |
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| 21 | #include "includes.h"
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| 22 | #include "smbd/smbd.h"
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| 23 | #include "smbd/globals.h"
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| 24 | #include "../libcli/smb/smb_common.h"
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| 25 |
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| 26 | struct smb_request *smbd_smb2_fake_smb_request(struct smbd_smb2_request *req)
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| 27 | {
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| 28 | struct smb_request *smbreq;
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| 29 | const uint8_t *inhdr;
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| 30 | int i = req->current_idx;
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| 31 |
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| 32 | inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
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| 33 |
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| 34 | smbreq = talloc_zero(req, struct smb_request);
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| 35 | if (smbreq == NULL) {
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| 36 | return NULL;
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| 37 | }
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| 38 |
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| 39 | smbreq->vuid = req->session->compat_vuser->vuid;
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| 40 | smbreq->tid = req->tcon->compat_conn->cnum;
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| 41 | smbreq->conn = req->tcon->compat_conn;
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| 42 | smbreq->sconn = req->sconn;
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| 43 | smbreq->smbpid = (uint16_t)IVAL(inhdr, SMB2_HDR_PID);
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| 44 | smbreq->flags2 = FLAGS2_UNICODE_STRINGS |
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| 45 | FLAGS2_32_BIT_ERROR_CODES |
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| 46 | FLAGS2_LONG_PATH_COMPONENTS |
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| 47 | FLAGS2_IS_LONG_NAME;
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| 48 | if (IVAL(inhdr, SMB2_HDR_FLAGS) & SMB2_HDR_FLAG_DFS) {
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| 49 | smbreq->flags2 |= FLAGS2_DFS_PATHNAMES;
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| 50 | }
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| 51 | smbreq->mid = BVAL(inhdr, SMB2_HDR_MESSAGE_ID);
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| 52 | smbreq->chain_fsp = req->compat_chain_fsp;
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| 53 | smbreq->smb2req = req;
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| 54 | req->smb1req = smbreq;
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| 55 |
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| 56 | return smbreq;
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| 57 | }
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| 58 |
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| 59 | /*********************************************************
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| 60 | Called from file_free() to remove any chained fsp pointers.
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| 61 | *********************************************************/
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| 62 |
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| 63 | void remove_smb2_chained_fsp(files_struct *fsp)
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| 64 | {
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| 65 | struct smbd_server_connection *sconn = fsp->conn->sconn;
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| 66 | struct smbd_smb2_request *smb2req;
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| 67 |
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| 68 | for (smb2req = sconn->smb2.requests; smb2req; smb2req = smb2req->next) {
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| 69 | if (smb2req->compat_chain_fsp == fsp) {
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| 70 | smb2req->compat_chain_fsp = NULL;
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| 71 | }
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| 72 | if (smb2req->smb1req && smb2req->smb1req->chain_fsp == fsp) {
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| 73 | smb2req->smb1req->chain_fsp = NULL;
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| 74 | }
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| 75 | }
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| 76 | }
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