2 Unix SMB2 implementation.
4 Copyright (C) Stefan Metzmacher 2005
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /* the context for a single SMB2 request. This is passed to any request-context
23 struct smb2srv_request {
24 /* the smbsrv_connection needs a list of requests queued for send */
25 struct smb2srv_request *next, *prev;
27 /* the server_context contains all context specific to this SMB socket */
28 struct smbsrv_connection *smb_conn;
30 /* conn is only set for operations that have a valid TID */
31 struct smbsrv_tcon *tcon;
33 /* the session context is derived from the vuid */
34 struct smbsrv_session *session;
36 #define SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY (1<<0)
37 uint32_t control_flags;
39 /* the system time when the request arrived */
40 struct timeval request_time;
42 /* a pointer to the per request union smb_* io structure */
45 /* the ntvfs_request */
46 struct ntvfs_request *ntvfs;
48 /* Now the SMB2 specific stuff */
50 /* the status the backend returned */
53 /* for matching request and reply */
56 /* the id that can be used to cancel the request */
59 struct smb2_request_buffer in;
60 struct smb2_request_buffer out;
63 struct smbsrv_request;
65 #include "smb_server/smb2/smb2_proto.h"
67 /* useful way of catching wct errors with file and line number */
68 #define SMB2SRV_CHECK_BODY_SIZE(req, size, dynamic) do { \
69 size_t is_size = req->in.body_size; \
70 uint16_t field_size = SVAL(req->in.body, 0); \
71 uint16_t want_size = ((dynamic)?(size)+1:(size)); \
72 if (is_size < (size)) { \
73 DEBUG(0,("%s: buffer too small 0x%x. Expected 0x%x\n", \
74 __location__, is_size, want_size)); \
75 smb2srv_send_error(req, NT_STATUS_FOOBAR); \
78 if (field_size != want_size) { \
79 DEBUG(0,("%s: unexpected fixed body size 0x%x. Expected 0x%x\n", \
80 __location__, field_size, want_size)); \
81 smb2srv_send_error(req, NT_STATUS_FOOBAR); \
86 #define SMB2SRV_CHECK(cmd) do {\
89 if (!NT_STATUS_IS_OK(_status)) { \
90 smb2srv_send_error(req, _status); \
95 /* useful wrapper for talloc with NO_MEMORY reply */
96 #define SMB2SRV_TALLOC_IO_PTR(ptr, type) do { \
97 ptr = talloc(req, type); \
99 smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
105 #define SMB2SRV_SETUP_NTVFS_REQUEST(send_fn, state) do { \
106 req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req, \
107 req->session->session_info,\
110 req, send_fn, state); \
112 smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
115 (void)talloc_steal(req->tcon->ntvfs, req); \
116 req->ntvfs->frontend_data.private_data = req; \
119 #define SMB2SRV_CHECK_FILE_HANDLE(handle) do { \
121 smb2srv_send_error(req, NT_STATUS_FILE_CLOSED); \
127 check if the backend wants to handle the request asynchronously.
128 if it wants it handled synchronously then call the send function
131 #define SMB2SRV_CALL_NTVFS_BACKEND(cmd) do { \
132 req->ntvfs->async_states->status = cmd; \
133 if (req->ntvfs->async_states->state & NTVFS_ASYNC_STATE_ASYNC) { \
135 _status = smb2srv_queue_pending(req); \
136 if (!NT_STATUS_IS_OK(_status)) { \
137 ntvfs_cancel(req->ntvfs); \
140 req->ntvfs->async_states->send_fn(req->ntvfs); \
144 /* check req->ntvfs->async_states->status and if not OK then send an error reply */
145 #define SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE do { \
146 req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
147 req->status = ntvfs->async_states->status; \
148 if (NT_STATUS_IS_ERR(ntvfs->async_states->status)) { \
149 smb2srv_send_error(req, ntvfs->async_states->status); \
153 #define SMB2SRV_CHECK_ASYNC_STATUS_ERR(ptr, type) do { \
154 SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE; \
155 ptr = talloc_get_type(req->io_ptr, type); \
157 #define SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE do { \
158 req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
159 req->status = ntvfs->async_states->status; \
160 if (!NT_STATUS_IS_OK(ntvfs->async_states->status)) { \
161 smb2srv_send_error(req, ntvfs->async_states->status); \
165 #define SMB2SRV_CHECK_ASYNC_STATUS(ptr, type) do { \
166 SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE; \
167 ptr = talloc_get_type(req->io_ptr, type); \