2 Unix SMB/CIFS implementation.
3 Password and authentication handling
4 Copyright (C) Andrew Tridgell 1992-2005
5 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "smb_server/smb_server.h"
24 #include "dlinklist.h"
28 * init the sessions structures
30 NTSTATUS smbsrv_init_sessions(struct smbsrv_connection *smb_conn, uint64_t limit)
33 * the idr_* functions take 'int' as limit,
34 * and only work with a max limit 0x00FFFFFF
38 smb_conn->sessions.idtree_vuid = idr_init(smb_conn);
39 NT_STATUS_HAVE_NO_MEMORY(smb_conn->sessions.idtree_vuid);
40 smb_conn->sessions.idtree_limit = limit;
41 smb_conn->sessions.list = NULL;
47 * Find the session structure assoicated with a VUID
48 * (not one from an in-progress session setup)
50 struct smbsrv_session *smbsrv_session_find(struct smbsrv_connection *smb_conn, uint64_t vuid)
53 struct smbsrv_session *sess;
55 if (vuid == 0) return NULL;
57 if (vuid > smb_conn->sessions.idtree_limit) return NULL;
59 p = idr_find(smb_conn->sessions.idtree_vuid, vuid);
62 /* only return a finished session */
63 sess = talloc_get_type(p, struct smbsrv_session);
64 if (sess && sess->session_info) {
72 * Find the session structure assoicated with a VUID
73 * (assoicated with an in-progress session setup)
75 struct smbsrv_session *smbsrv_session_find_sesssetup(struct smbsrv_connection *smb_conn, uint64_t vuid)
78 struct smbsrv_session *sess;
80 if (vuid == 0) return NULL;
82 if (vuid > smb_conn->sessions.idtree_limit) return NULL;
84 p = idr_find(smb_conn->sessions.idtree_vuid, vuid);
87 /* only return an unfinished session */
88 sess = talloc_get_type(p, struct smbsrv_session);
89 if (sess && !sess->session_info) {
96 * the session will be marked as valid for usage
97 * by attaching a auth_session_info to the session.
99 * session_info will be talloc_stealed
101 NTSTATUS smbsrv_session_sesssetup_finished(struct smbsrv_session *sess,
102 struct auth_session_info *session_info)
104 /* this check is to catch programmer errors */
107 return NT_STATUS_ACCESS_DENIED;
110 /* mark the session as successful authenticated */
111 sess->session_info = talloc_steal(sess, session_info);
113 /* now fill in some statistics */
114 sess->statistics.auth_time = timeval_current();
119 /****************************************************************************
120 destroy a session structure
121 ****************************************************************************/
122 static int smbsrv_session_destructor(void *p)
124 struct smbsrv_session *sess = talloc_get_type(p, struct smbsrv_session);
125 struct smbsrv_connection *smb_conn = sess->smb_conn;
127 idr_remove(smb_conn->sessions.idtree_vuid, sess->vuid);
128 DLIST_REMOVE(smb_conn->sessions.list, sess);
133 * allocate a new session structure with a VUID.
134 * gensec_ctx is optional, but talloc_steal'ed when present
136 struct smbsrv_session *smbsrv_session_new(struct smbsrv_connection *smb_conn,
137 struct gensec_security *gensec_ctx)
139 struct smbsrv_session *sess = NULL;
142 /* Ensure no vuid gets registered in share level security. */
143 if (smb_conn->config.security == SEC_SHARE) return NULL;
145 sess = talloc_zero(smb_conn, struct smbsrv_session);
146 if (!sess) return NULL;
147 sess->smb_conn = smb_conn;
149 i = idr_get_new_random(smb_conn->sessions.idtree_vuid, sess, smb_conn->sessions.idtree_limit);
151 DEBUG(1,("ERROR! Out of connection structures\n"));
157 /* use this to keep tabs on all our info from the authentication */
158 sess->gensec_ctx = talloc_steal(sess, gensec_ctx);
160 DLIST_ADD(smb_conn->sessions.list, sess);
161 talloc_set_destructor(sess, smbsrv_session_destructor);
163 /* now fill in some statistics */
164 sess->statistics.connect_time = timeval_current();