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  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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source4/libcli/smb2/tcon.c
 
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/* 
 
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   Unix SMB/CIFS implementation.
 
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   SMB2 client tree handling
 
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   Copyright (C) Andrew Tridgell 2005
 
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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 "libcli/smb2/smb2.h"
 
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#include "libcli/smb2/smb2_calls.h"
 
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/*
 
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  initialise a smb2_session structure
 
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 */
 
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struct smb2_tree *smb2_tree_init(struct smb2_session *session,
 
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                                 TALLOC_CTX *parent_ctx, bool primary)
 
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{
 
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        struct smb2_tree *tree;
 
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        tree = talloc_zero(parent_ctx, struct smb2_tree);
 
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        if (!session) {
 
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                return NULL;
 
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        }
 
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        if (primary) {
 
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                tree->session = talloc_steal(tree, session);
 
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        } else {
 
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                tree->session = talloc_reference(tree, session);
 
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        }
 
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        return tree;
 
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}
 
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/*
 
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  send a tree connect
 
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*/
 
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struct smb2_request *smb2_tree_connect_send(struct smb2_tree *tree, 
 
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                                            struct smb2_tree_connect *io)
 
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{
 
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        struct smb2_request *req;
 
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        NTSTATUS status;
 
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        req = smb2_request_init(tree->session->transport, SMB2_OP_TCON, 
 
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                                0x08, true, 0);
 
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        if (req == NULL) return NULL;
 
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        SBVAL(req->out.hdr,  SMB2_HDR_SESSION_ID, tree->session->uid);
 
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        req->session = tree->session;
 
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        SSVAL(req->out.body, 0x02, io->in.reserved);
 
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        status = smb2_push_o16s16_string(&req->out, 0x04, io->in.path);
 
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        if (!NT_STATUS_IS_OK(status)) {
 
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                talloc_free(req);
 
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                return NULL;
 
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        }
 
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        smb2_transport_send(req);
 
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        return req;
 
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}
 
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/*
 
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  recv a tree connect reply
 
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*/
 
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NTSTATUS smb2_tree_connect_recv(struct smb2_request *req, struct smb2_tree_connect *io)
 
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{
 
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        if (!smb2_request_receive(req) || 
 
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            smb2_request_is_error(req)) {
 
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                return smb2_request_destroy(req);
 
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        }
 
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        SMB2_CHECK_PACKET_RECV(req, 0x10, false);
 
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        io->out.tid      = IVAL(req->in.hdr,  SMB2_HDR_TID);
 
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        io->out.share_type  = CVAL(req->in.body, 0x02);
 
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        io->out.reserved    = CVAL(req->in.body, 0x03);
 
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        io->out.flags       = IVAL(req->in.body, 0x04);
 
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        io->out.capabilities= IVAL(req->in.body, 0x08);
 
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        io->out.access_mask = IVAL(req->in.body, 0x0C);
 
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        if (io->out.capabilities & ~SMB2_CAP_ALL) {
 
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                DEBUG(0,("Unknown capabilities mask 0x%x\n", io->out.capabilities));
 
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        }
 
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        if (io->out.flags & ~SMB2_SHAREFLAG_ALL) {
 
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                DEBUG(0,("Unknown tcon shareflag 0x%x\n", io->out.flags));
 
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        }
 
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        return smb2_request_destroy(req);
 
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}
 
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/*
 
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  sync tree connect request
 
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*/
 
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NTSTATUS smb2_tree_connect(struct smb2_tree *tree, struct smb2_tree_connect *io)
 
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{
 
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        struct smb2_request *req = smb2_tree_connect_send(tree, io);
 
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        return smb2_tree_connect_recv(req, io);
 
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}