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https://github.com/samba-team/samba.git
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a32fe0f293
(This used to be commit 658befc1e4
)
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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Manage smbsrv_tcon structures
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Copyright (C) Andrew Tridgell 1998
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Copyright (C) Alexander Bokovoy 2002
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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 2 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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "system/filesys.h"
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#include "dlinklist.h"
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#include "smb_server/smb_server.h"
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#include "smbd/service_stream.h"
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/****************************************************************************
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init the tcon structures
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****************************************************************************/
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void smbsrv_tcon_init(struct smbsrv_connection *smb_conn)
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{
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smb_conn->tree.idtree_tid = idr_init(smb_conn);
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}
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/****************************************************************************
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find a tcon given a cnum
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****************************************************************************/
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struct smbsrv_tcon *smbsrv_tcon_find(struct smbsrv_connection *smb_conn, uint_t tid)
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{
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return idr_find(smb_conn->tree.idtree_tid, tid);
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}
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/*
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destroy a connection structure
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*/
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static int smbsrv_tcon_destructor(void *ptr)
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{
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struct smbsrv_tcon *tcon = ptr;
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DEBUG(3,("%s closed connection to service %s\n",
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socket_get_peer_addr(tcon->smb_conn->connection->socket, tcon),
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lp_servicename(tcon->service)));
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/* tell the ntvfs backend that we are disconnecting */
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ntvfs_disconnect(tcon);
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idr_remove(tcon->smb_conn->tree.idtree_tid, tcon->tid);
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DLIST_REMOVE(tcon->smb_conn->tree.tcons, tcon);
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return 0;
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}
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/*
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find first available connection slot
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*/
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struct smbsrv_tcon *smbsrv_tcon_new(struct smbsrv_connection *smb_conn)
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{
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struct smbsrv_tcon *tcon;
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int i;
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tcon = talloc_zero(smb_conn, struct smbsrv_tcon);
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if (!tcon) return NULL;
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i = idr_get_new_random(smb_conn->tree.idtree_tid, tcon, UINT16_MAX);
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if (i == -1) {
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DEBUG(1,("ERROR! Out of connection structures\n"));
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return NULL;
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}
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tcon->tid = i;
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tcon->smb_conn = smb_conn;
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tcon->connect_time = timeval_current();
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talloc_set_destructor(tcon, smbsrv_tcon_destructor);
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DLIST_ADD(smb_conn->tree.tcons, tcon);
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return tcon;
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}
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