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authorAndrew Tridgell <tridge@samba.org>2006-03-08 03:54:24 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:52:36 -0500
commit418befec187066f6f107f1cf986d29bf77ca498c (patch)
tree59e4207d132fd7be83a2ee58e0b0511db20260b9 /source4/smb_server
parent82da2d401e54d0b3124b727fab755d94dd5402d4 (diff)
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r14011: - added a ntvfs_notify op to allow backends to support change notify
- converted the nttrans server side code to be async (needed for change notify) This is the start of some work on supporting change notify via a new approach. More soon. (This used to be commit 0ad70bfd83b4a03c0e67f11f63822b833be67aa1)
Diffstat (limited to 'source4/smb_server')
-rw-r--r--source4/smb_server/smb/nttrans.c453
1 files changed, 267 insertions, 186 deletions
diff --git a/source4/smb_server/smb/nttrans.c b/source4/smb_server/smb/nttrans.c
index cb36f43b8a..0a7f0d7dc2 100644
--- a/source4/smb_server/smb/nttrans.c
+++ b/source4/smb_server/smb/nttrans.c
@@ -27,12 +27,15 @@
#include "ntvfs/ntvfs.h"
#include "libcli/raw/libcliraw.h"
-
-
-#define CHECK_MIN_BLOB_SIZE(blob, size) do { \
- if ((blob)->length < (size)) { \
- return NT_STATUS_INFO_LENGTH_MISMATCH; \
- }} while (0)
+/*
+ hold the state of a nttrans op while in progress. Needed to allow for async backend
+ functions.
+*/
+struct nttrans_op {
+ struct smb_nttrans *trans;
+ NTSTATUS (*send_fn)(struct nttrans_op *);
+ void *op_info;
+};
/* setup a nttrans reply, given the data and params sizes */
@@ -49,13 +52,47 @@ static void nttrans_setup_reply(struct smbsrv_request *req,
trans->out.data = data_blob_talloc(req, NULL, data_size);
}
+/*
+ send a nttrans create reply
+*/
+static NTSTATUS nttrans_create_send(struct nttrans_op *op)
+{
+ union smb_open *io = talloc_get_type(op->op_info, union smb_open);
+ uint8_t *params;
+
+ op->trans->out.setup_count = 0;
+ op->trans->out.setup = NULL;
+ op->trans->out.params = data_blob_talloc(op, NULL, 69);
+ op->trans->out.data = data_blob(NULL, 0);
+
+ params = op->trans->out.params.data;
+ NT_STATUS_HAVE_NO_MEMORY(params);
+
+ SSVAL(params, 0, io->ntcreatex.out.oplock_level);
+ SSVAL(params, 2, io->ntcreatex.out.fnum);
+ SIVAL(params, 4, io->ntcreatex.out.create_action);
+ SIVAL(params, 8, 0); /* ea error offset */
+ push_nttime(params, 12, io->ntcreatex.out.create_time);
+ push_nttime(params, 20, io->ntcreatex.out.access_time);
+ push_nttime(params, 28, io->ntcreatex.out.write_time);
+ push_nttime(params, 36, io->ntcreatex.out.change_time);
+ SIVAL(params, 44, io->ntcreatex.out.attrib);
+ SBVAL(params, 48, io->ntcreatex.out.alloc_size);
+ SBVAL(params, 56, io->ntcreatex.out.size);
+ SSVAL(params, 64, io->ntcreatex.out.file_type);
+ SSVAL(params, 66, io->ntcreatex.out.ipc_state);
+ SCVAL(params, 68, io->ntcreatex.out.is_directory);
+
+ return NT_STATUS_OK;
+}
/*
parse NTTRANS_CREATE request
*/
static NTSTATUS nttrans_create(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
+ struct smb_nttrans *trans = op->trans;
union smb_open *io;
uint16_t fname_len;
uint32_t sd_length, ea_length;
@@ -67,10 +104,8 @@ static NTSTATUS nttrans_create(struct smbsrv_request *req,
}
/* parse the request */
- io = talloc(req, union smb_open);
- if (io == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ io = talloc(op, union smb_open);
+ NT_STATUS_HAVE_NO_MEMORY(io);
io->ntcreatex.level = RAW_OPEN_NTTRANS_CREATE;
@@ -141,87 +176,63 @@ static NTSTATUS nttrans_create(struct smbsrv_request *req,
}
}
- /* call the backend - notice that we do it sync for now, until we support
- async nttrans requests */
- status = ntvfs_openfile(req, io);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ op->send_fn = nttrans_create_send;
+ op->op_info = io;
+
+ return ntvfs_openfile(req, io);
+}
+
+
+/*
+ send NTTRANS_QUERY_SEC_DESC reply
+ */
+static NTSTATUS nttrans_query_sec_desc_send(struct nttrans_op *op)
+{
+ struct smb_nttrans *trans = op->trans;
+ union smb_fileinfo *io = talloc_get_type(op->op_info, union smb_fileinfo);
+ NTSTATUS status;
trans->out.setup_count = 0;
trans->out.setup = NULL;
- trans->out.params = data_blob_talloc(req, NULL, 69);
+ trans->out.params = data_blob_talloc(op, NULL, 4);
trans->out.data = data_blob(NULL, 0);
+ NT_STATUS_HAVE_NO_MEMORY(trans->out.params.data);
- params = trans->out.params.data;
- if (params == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ status = ndr_push_struct_blob(&trans->out.data, op,
+ io->query_secdesc.out.sd,
+ (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+ NT_STATUS_NOT_OK_RETURN(status);
- SSVAL(params, 0, io->ntcreatex.out.oplock_level);
- SSVAL(params, 2, io->ntcreatex.out.fnum);
- SIVAL(params, 4, io->ntcreatex.out.create_action);
- SIVAL(params, 8, 0); /* ea error offset */
- push_nttime(params, 12, io->ntcreatex.out.create_time);
- push_nttime(params, 20, io->ntcreatex.out.access_time);
- push_nttime(params, 28, io->ntcreatex.out.write_time);
- push_nttime(params, 36, io->ntcreatex.out.change_time);
- SIVAL(params, 44, io->ntcreatex.out.attrib);
- SBVAL(params, 48, io->ntcreatex.out.alloc_size);
- SBVAL(params, 56, io->ntcreatex.out.size);
- SSVAL(params, 64, io->ntcreatex.out.file_type);
- SSVAL(params, 66, io->ntcreatex.out.ipc_state);
- SCVAL(params, 68, io->ntcreatex.out.is_directory);
+ SIVAL(trans->out.params.data, 0, trans->out.data.length);
return NT_STATUS_OK;
}
-
/*
parse NTTRANS_QUERY_SEC_DESC request
*/
static NTSTATUS nttrans_query_sec_desc(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
+ struct smb_nttrans *trans = op->trans;
union smb_fileinfo *io;
- NTSTATUS status;
if (trans->in.params.length < 8) {
return NT_STATUS_INVALID_PARAMETER;
}
/* parse the request */
- io = talloc(req, union smb_fileinfo);
- if (io == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ io = talloc(op, union smb_fileinfo);
+ NT_STATUS_HAVE_NO_MEMORY(io);
io->query_secdesc.level = RAW_FILEINFO_SEC_DESC;
io->query_secdesc.in.fnum = SVAL(trans->in.params.data, 0);
io->query_secdesc.secinfo_flags = IVAL(trans->in.params.data, 4);
- /* call the backend - notice that we do it sync for now, until we support
- async nttrans requests */
- status = ntvfs_qfileinfo(req, io);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- trans->out.setup_count = 0;
- trans->out.setup = NULL;
- trans->out.params = data_blob_talloc(req, NULL, 4);
- trans->out.data = data_blob(NULL, 0);
-
- status = ndr_push_struct_blob(&trans->out.data, req,
- io->query_secdesc.out.sd,
- (ndr_push_flags_fn_t)ndr_push_security_descriptor);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ op->op_info = io;
+ op->send_fn = nttrans_query_sec_desc_send;
- SIVAL(trans->out.params.data, 0, trans->out.data.length);
-
- return NT_STATUS_OK;
+ return ntvfs_qfileinfo(req, io);
}
@@ -229,8 +240,9 @@ static NTSTATUS nttrans_query_sec_desc(struct smbsrv_request *req,
parse NTTRANS_SET_SEC_DESC request
*/
static NTSTATUS nttrans_set_sec_desc(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
+ struct smb_nttrans *trans = op->trans;
union smb_setfileinfo *io;
NTSTATUS status;
@@ -240,57 +252,45 @@ static NTSTATUS nttrans_set_sec_desc(struct smbsrv_request *req,
/* parse the request */
io = talloc(req, union smb_setfileinfo);
- if (io == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ NT_STATUS_HAVE_NO_MEMORY(io);
io->set_secdesc.level = RAW_SFILEINFO_SEC_DESC;
io->set_secdesc.file.fnum = SVAL(trans->in.params.data, 0);
io->set_secdesc.in.secinfo_flags = IVAL(trans->in.params.data, 4);
io->set_secdesc.in.sd = talloc(io, struct security_descriptor);
- if (io->set_secdesc.in.sd == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ NT_STATUS_HAVE_NO_MEMORY(io->set_secdesc.in.sd);
status = ndr_pull_struct_blob(&trans->in.data, req,
io->set_secdesc.in.sd,
(ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* call the backend - notice that we do it sync for now, until we support
- async nttrans requests */
- status = ntvfs_setfileinfo(req, io);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ NT_STATUS_NOT_OK_RETURN(status);
trans->out.setup_count = 0;
trans->out.setup = NULL;
trans->out.params = data_blob(NULL, 0);
trans->out.data = data_blob(NULL, 0);
- return NT_STATUS_OK;
+ return ntvfs_setfileinfo(req, io);
}
/* parse NTTRANS_RENAME request
*/
static NTSTATUS nttrans_rename(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
- return NT_STATUS_FOOBAR;
+ return NT_STATUS_NOT_IMPLEMENTED;
}
/*
parse NTTRANS_IOCTL request
*/
static NTSTATUS nttrans_ioctl(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
- union smb_ioctl nt;
+ struct smb_nttrans *trans = op->trans;
+ union smb_ioctl *nt;
uint32_t function;
uint16_t fnum;
uint8_t filter;
@@ -301,6 +301,9 @@ static NTSTATUS nttrans_ioctl(struct smbsrv_request *req,
if (trans->in.setup_count != 4) {
return NT_STATUS_INVALID_PARAMETER;
}
+
+ nt = talloc(op, union smb_ioctl);
+ NT_STATUS_HAVE_NO_MEMORY(nt);
function = IVAL(trans->in.setup, 0);
fnum = SVAL(trans->in.setup, 4);
@@ -309,137 +312,126 @@ static NTSTATUS nttrans_ioctl(struct smbsrv_request *req,
blob = &trans->in.data;
- nt.ntioctl.level = RAW_IOCTL_NTIOCTL;
- nt.ntioctl.in.fnum = fnum;
- nt.ntioctl.in.function = function;
- nt.ntioctl.in.fsctl = fsctl;
- nt.ntioctl.in.filter = filter;
+ nt->ntioctl.level = RAW_IOCTL_NTIOCTL;
+ nt->ntioctl.in.fnum = fnum;
+ nt->ntioctl.in.function = function;
+ nt->ntioctl.in.fsctl = fsctl;
+ nt->ntioctl.in.filter = filter;
nttrans_setup_reply(req, trans, 0, 0, 1);
trans->out.setup[0] = 0;
- return ntvfs_ioctl(req, &nt);
+ return ntvfs_ioctl(req, nt);
+}
+
+
+/*
+ send NTTRANS_NOTIFY_CHANGE reply
+ */
+static NTSTATUS nttrans_notify_change_send(struct nttrans_op *op)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+/*
+ parse NTTRANS_NOTIFY_CHANGE request
+ */
+static NTSTATUS nttrans_notify_change(struct smbsrv_request *req,
+ struct nttrans_op *op)
+{
+ struct smb_nttrans *trans = op->trans;
+ struct smb_notify *info;
+
+ /* should have at least 4 setup words */
+ if (trans->in.setup_count != 4) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ info = talloc(op, struct smb_notify);
+ NT_STATUS_HAVE_NO_MEMORY(info);
+
+ info->in.completion_filter = IVAL(trans->in.setup, 0);
+ info->in.fnum = SVAL(trans->in.setup, 4);
+ info->in.recursive = SVAL(trans->in.setup, 6);
+ info->in.buffer_size = trans->in.max_param;
+
+ op->op_info = info;
+ op->send_fn = nttrans_notify_change_send;
+
+ return ntvfs_notify(req, info);
}
/*
backend for nttrans requests
*/
static NTSTATUS nttrans_backend(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
/* the nttrans command is in function */
- switch (trans->in.function) {
+ switch (op->trans->in.function) {
case NT_TRANSACT_CREATE:
- return nttrans_create(req, trans);
+ return nttrans_create(req, op);
case NT_TRANSACT_IOCTL:
- return nttrans_ioctl(req, trans);
+ return nttrans_ioctl(req, op);
case NT_TRANSACT_RENAME:
- return nttrans_rename(req, trans);
+ return nttrans_rename(req, op);
case NT_TRANSACT_QUERY_SECURITY_DESC:
- return nttrans_query_sec_desc(req, trans);
+ return nttrans_query_sec_desc(req, op);
case NT_TRANSACT_SET_SECURITY_DESC:
- return nttrans_set_sec_desc(req, trans);
+ return nttrans_set_sec_desc(req, op);
+ case NT_TRANSACT_NOTIFY_CHANGE:
+ return nttrans_notify_change(req, op);
}
/* an unknown nttrans command */
- return NT_STATUS_FOOBAR;
+ return NT_STATUS_DOS(ERRSRV, ERRerror);
}
-/****************************************************************************
- Reply to an SMBnttrans request
-****************************************************************************/
-void smbsrv_reply_nttrans(struct smbsrv_request *req)
+static void reply_nttrans_send(struct smbsrv_request *req)
{
- struct smb_nttrans trans;
- int i;
- uint16_t param_ofs, data_ofs;
- uint16_t param_count, data_count;
uint16_t params_left, data_left;
- uint16_t param_total, data_total;
uint8_t *params, *data;
- NTSTATUS status;
-
- /* parse request */
- if (req->in.wct < 19) {
- smbsrv_send_error(req, NT_STATUS_FOOBAR);
- return;
- }
-
- trans.in.max_setup = CVAL(req->in.vwv, 0);
- param_total = IVAL(req->in.vwv, 3);
- data_total = IVAL(req->in.vwv, 7);
- trans.in.max_param = IVAL(req->in.vwv, 11);
- trans.in.max_data = IVAL(req->in.vwv, 15);
- param_count = IVAL(req->in.vwv, 19);
- param_ofs = IVAL(req->in.vwv, 23);
- data_count = IVAL(req->in.vwv, 27);
- data_ofs = IVAL(req->in.vwv, 31);
- trans.in.setup_count = CVAL(req->in.vwv, 35);
- trans.in.function = SVAL(req->in.vwv, 36);
+ struct smb_nttrans *trans;
+ struct nttrans_op *op;
- if (req->in.wct != 19 + trans.in.setup_count) {
- smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+ if (!NT_STATUS_IS_OK(req->async_states->status)) {
+ smbsrv_send_error(req, req->async_states->status);
return;
}
- /* parse out the setup words */
- trans.in.setup = talloc_array(req, uint16_t, trans.in.setup_count);
- if (!trans.in.setup) {
- smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
- return;
- }
- for (i=0;i<trans.in.setup_count;i++) {
- trans.in.setup[i] = SVAL(req->in.vwv, VWV(19+i));
- }
+ op = talloc_get_type(req->async_states->private_data, struct nttrans_op);
+ trans = op->trans;
- if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans.in.params) ||
- !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans.in.data)) {
- smbsrv_send_error(req, NT_STATUS_FOOBAR);
- return;
- }
-
- /* is it a partial request? if so, then send a 'send more' message */
- if (param_total > param_count ||
- data_total > data_count) {
- DEBUG(0,("REWRITE: not handling partial nttrans requests!\n"));
- return;
+ /* if this function needs work to form the nttrans reply buffer, then
+ call that now */
+ if (op->send_fn != NULL) {
+ NTSTATUS status;
+ status = op->send_fn(op);
+ if (!NT_STATUS_IS_OK(status)) {
+ smbsrv_send_error(req, status);
+ return;
+ }
}
- /* its a full request, give it to the backend */
- status = nttrans_backend(req, &trans);
-
- if (NT_STATUS_IS_ERR(status)) {
- smbsrv_send_error(req, status);
- return;
- }
+ /* note that we don't check the max_setup count (matching w2k3
+ behaviour) */
-#if 0
- /* w2k3 does not check the max_setup count */
- if (trans.out.setup_count > trans.in.max_setup) {
- smbsrv_send_error(req, NT_STATUS_BUFFER_TOO_SMALL);
- return;
+ if (trans->out.params.length > trans->in.max_param) {
+ smbsrv_setup_error(req, NT_STATUS_BUFFER_TOO_SMALL);
+ trans->out.params.length = trans->in.max_param;
}
-#endif
- if (trans.out.params.length > trans.in.max_param) {
- status = NT_STATUS_BUFFER_TOO_SMALL;
- trans.out.params.length = trans.in.max_param;
+ if (trans->out.data.length > trans->in.max_data) {
+ smbsrv_setup_error(req, NT_STATUS_BUFFER_TOO_SMALL);
+ trans->out.data.length = trans->in.max_data;
}
- if (trans.out.data.length > trans.in.max_data) {
- status = NT_STATUS_BUFFER_TOO_SMALL;
- trans.out.data.length = trans.in.max_data;
- }
-
- params_left = trans.out.params.length;
- data_left = trans.out.data.length;
- params = trans.out.params.data;
- data = trans.out.data.data;
- smbsrv_setup_reply(req, 18 + trans.out.setup_count, 0);
+ params_left = trans->out.params.length;
+ data_left = trans->out.data.length;
+ params = trans->out.params.data;
+ data = trans->out.data.data;
- if (!NT_STATUS_IS_OK(status)) {
- smbsrv_setup_error(req, status);
- }
+ smbsrv_setup_reply(req, 18 + trans->out.setup_count, 0);
/* we need to divide up the reply into chunks that fit into
the negotiated buffer size */
@@ -447,6 +439,7 @@ void smbsrv_reply_nttrans(struct smbsrv_request *req)
uint16_t this_data, this_param, max_bytes;
uint_t align1 = 1, align2 = (params_left ? 2 : 0);
struct smbsrv_request *this_req;
+ int i;
max_bytes = req_max_data(req) - (align1 + align2);
@@ -473,21 +466,21 @@ void smbsrv_reply_nttrans(struct smbsrv_request *req)
SSVAL(this_req->out.vwv, 0, 0); /* reserved */
SCVAL(this_req->out.vwv, 2, 0); /* reserved */
- SIVAL(this_req->out.vwv, 3, trans.out.params.length);
- SIVAL(this_req->out.vwv, 7, trans.out.data.length);
+ SIVAL(this_req->out.vwv, 3, trans->out.params.length);
+ SIVAL(this_req->out.vwv, 7, trans->out.data.length);
SIVAL(this_req->out.vwv, 11, this_param);
SIVAL(this_req->out.vwv, 15, align1 + PTR_DIFF(this_req->out.data, this_req->out.hdr));
- SIVAL(this_req->out.vwv, 19, PTR_DIFF(params, trans.out.params.data));
+ SIVAL(this_req->out.vwv, 19, PTR_DIFF(params, trans->out.params.data));
SIVAL(this_req->out.vwv, 23, this_data);
SIVAL(this_req->out.vwv, 27, align1 + align2 +
PTR_DIFF(this_req->out.data + this_param, this_req->out.hdr));
- SIVAL(this_req->out.vwv, 31, PTR_DIFF(data, trans.out.data.data));
+ SIVAL(this_req->out.vwv, 31, PTR_DIFF(data, trans->out.data.data));
- SCVAL(this_req->out.vwv, 35, trans.out.setup_count);
- for (i=0;i<trans.out.setup_count;i++) {
- SSVAL(this_req->out.vwv, VWV(18+i), trans.out.setup[i]);
+ SCVAL(this_req->out.vwv, 35, trans->out.setup_count);
+ for (i=0;i<trans->out.setup_count;i++) {
+ SSVAL(this_req->out.vwv, VWV(18+i), trans->out.setup[i]);
}
memset(this_req->out.data, 0, align1);
@@ -511,6 +504,94 @@ void smbsrv_reply_nttrans(struct smbsrv_request *req)
/****************************************************************************
+ Reply to an SMBnttrans request
+****************************************************************************/
+void smbsrv_reply_nttrans(struct smbsrv_request *req)
+{
+ struct nttrans_op *op;
+ struct smb_nttrans *trans;
+ int i;
+ uint16_t param_ofs, data_ofs;
+ uint16_t param_count, data_count;
+ uint16_t param_total, data_total;
+
+ /* parse request */
+ if (req->in.wct < 19) {
+ smbsrv_send_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ op = talloc(req, struct nttrans_op);
+ if (op == NULL) {
+ smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ trans = talloc(op, struct smb_nttrans);
+ if (trans == NULL) {
+ smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+
+ op->trans = trans;
+ op->op_info = NULL;
+ op->send_fn = NULL;
+
+ trans->in.max_setup = CVAL(req->in.vwv, 0);
+ param_total = IVAL(req->in.vwv, 3);
+ data_total = IVAL(req->in.vwv, 7);
+ trans->in.max_param = IVAL(req->in.vwv, 11);
+ trans->in.max_data = IVAL(req->in.vwv, 15);
+ param_count = IVAL(req->in.vwv, 19);
+ param_ofs = IVAL(req->in.vwv, 23);
+ data_count = IVAL(req->in.vwv, 27);
+ data_ofs = IVAL(req->in.vwv, 31);
+ trans->in.setup_count = CVAL(req->in.vwv, 35);
+ trans->in.function = SVAL(req->in.vwv, 36);
+
+ if (req->in.wct != 19 + trans->in.setup_count) {
+ smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+ return;
+ }
+
+ /* parse out the setup words */
+ trans->in.setup = talloc_array(req, uint16_t, trans->in.setup_count);
+ if (!trans->in.setup) {
+ smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+ for (i=0;i<trans->in.setup_count;i++) {
+ trans->in.setup[i] = SVAL(req->in.vwv, VWV(19+i));
+ }
+
+ if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans->in.params) ||
+ !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans->in.data)) {
+ smbsrv_send_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ /* is it a partial request? if so, then send a 'send more' message */
+ if (param_total > param_count ||
+ data_total > data_count) {
+ DEBUG(0,("REWRITE: not handling partial nttrans requests!\n"));
+ return;
+ }
+
+ req->async_states->state |= NTVFS_ASYNC_STATE_MAY_ASYNC;
+ req->async_states->send_fn = reply_nttrans_send;
+ req->async_states->private_data = op;
+
+ /* its a full request, give it to the backend */
+ req->async_states->status = nttrans_backend(req, op);
+
+ /* if the backend replied synchronously, then send now */
+ if (!(req->async_states->state & NTVFS_ASYNC_STATE_ASYNC)) {
+ req->async_states->send_fn(req);
+ }
+}
+
+
+/****************************************************************************
Reply to an SMBnttranss request
****************************************************************************/
void smbsrv_reply_nttranss(struct smbsrv_request *req)