This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
This file handles the parsing of transact2 requests
#include "smb_server/smb_server.h"
#include "ntvfs/ntvfs.h"
#include "libcli/raw/libcliraw.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "param/param.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 */
-static void nttrans_setup_reply(struct smbsrv_request *req,
- struct smb_nttrans *trans,
- uint16_t param_size, uint16_t data_size,
- uint16_t setup_count)
+static NTSTATUS nttrans_setup_reply(struct nttrans_op *op,
+ struct smb_nttrans *trans,
+ uint32_t param_size, uint32_t data_size,
+ uint8_t setup_count)
{
trans->out.setup_count = setup_count;
if (setup_count != 0) {
- trans->out.setup = talloc_zero_array(req, uint16_t, setup_count);
+ trans->out.setup = talloc_zero_array(op, uint8_t, setup_count*2);
+ NT_STATUS_HAVE_NO_MEMORY(trans->out.setup);
}
- trans->out.params = data_blob_talloc(req, NULL, param_size);
- trans->out.data = data_blob_talloc(req, NULL, data_size);
+ trans->out.params = data_blob_talloc(op, NULL, param_size);
+ if (param_size != 0) {
+ NT_STATUS_HAVE_NO_MEMORY(trans->out.params.data);
+ }
+ trans->out.data = data_blob_talloc(op, NULL, data_size);
+ if (data_size != 0) {
+ NT_STATUS_HAVE_NO_MEMORY(trans->out.data.data);
+ }
+ return NT_STATUS_OK;
}
+/*
+ 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;
+ NTSTATUS status;
+
+ status = nttrans_setup_reply(op, op->trans, 69, 0, 0);
+ NT_STATUS_NOT_OK_RETURN(status);
+ params = op->trans->out.params.data;
+
+ SSVAL(params, 0, io->ntcreatex.out.oplock_level);
+ smbsrv_push_fnum(params, 2, io->ntcreatex.out.file.ntvfs);
+ 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;
NTSTATUS status;
uint8_t *params;
+ enum ndr_err_code ndr_err;
if (trans->in.params.length < 54) {
return NT_STATUS_INVALID_PARAMETER;
}
/* 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;
io->ntcreatex.in.sec_desc = NULL;
io->ntcreatex.in.ea_list = NULL;
- req_pull_string(req, &io->ntcreatex.in.fname,
- params + 54,
- trans->in.params.length - 54,
+ req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname,
+ params + 53,
+ MIN(fname_len+1, trans->in.params.length - 53),
STR_NO_RANGE_CHECK | STR_TERMINATE);
if (!io->ntcreatex.in.fname) {
return NT_STATUS_INVALID_PARAMETER;
if (io->ntcreatex.in.sec_desc == NULL) {
return NT_STATUS_NO_MEMORY;
}
- status = ndr_pull_struct_blob(&blob, io,
- io->ntcreatex.in.sec_desc,
- (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ ndr_err = ndr_pull_struct_blob(&blob, io, NULL,
+ io->ntcreatex.in.sec_desc,
+ (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ndr_map_error2ntstatus(ndr_err);
}
}
}
}
- /* 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_open(req->ntvfs, io);
+}
+
+
+/*
+ send NTTRANS_QUERY_SEC_DESC reply
+ */
+static NTSTATUS nttrans_query_sec_desc_send(struct nttrans_op *op)
+{
+ union smb_fileinfo *io = talloc_get_type(op->op_info, union smb_fileinfo);
+ uint8_t *params;
+ NTSTATUS status;
+ enum ndr_err_code ndr_err;
- trans->out.setup_count = 0;
- trans->out.setup = NULL;
- trans->out.params = data_blob_talloc(req, NULL, 69);
- trans->out.data = data_blob(NULL, 0);
+ status = nttrans_setup_reply(op, op->trans, 4, 0, 0);
+ NT_STATUS_NOT_OK_RETURN(status);
+ params = op->trans->out.params.data;
- params = trans->out.params.data;
- if (params == NULL) {
- return NT_STATUS_NO_MEMORY;
+ ndr_err = ndr_push_struct_blob(&op->trans->out.data, op, NULL,
+ io->query_secdesc.out.sd,
+ (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ndr_map_error2ntstatus(ndr_err);
}
- 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(params, 0, op->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;
- }
+ io->query_secdesc.in.file.ntvfs = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+ io->query_secdesc.in.secinfo_flags = IVAL(trans->in.params.data, 4);
- SIVAL(trans->out.params.data, 0, trans->out.data.length);
+ op->op_info = io;
+ op->send_fn = nttrans_query_sec_desc_send;
- return NT_STATUS_OK;
+ SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->query_secdesc.in.file.ntvfs);
+ return ntvfs_qfileinfo(req->ntvfs, io);
}
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;
+ enum ndr_err_code ndr_err;
if (trans->in.params.length < 8) {
return NT_STATUS_INVALID_PARAMETER;
/* 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.file.ntvfs = smbsrv_pull_fnum(req, 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;
+ ndr_err = ndr_pull_struct_blob(&trans->in.data, req, NULL,
+ io->set_secdesc.in.sd,
+ (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return ndr_map_error2ntstatus(ndr_err);
}
- /* 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;
- }
-
- 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;
+ SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->set_secdesc.in.file.ntvfs);
+ return ntvfs_setfileinfo(req->ntvfs, io);
}
/* parse NTTRANS_RENAME request
*/
static NTSTATUS nttrans_rename(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
+{
+ struct smb_nttrans *trans = op->trans;
+ union smb_rename *io;
+
+ if (trans->in.params.length < 5) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ /* parse the request */
+ io = talloc(req, union smb_rename);
+ NT_STATUS_HAVE_NO_MEMORY(io);
+
+ io->nttrans.level = RAW_RENAME_NTTRANS;
+ io->nttrans.in.file.ntvfs = smbsrv_pull_fnum(req, trans->in.params.data, 0);
+ io->nttrans.in.flags = SVAL(trans->in.params.data, 2);
+
+ smbsrv_blob_pull_string(&req->in.bufinfo, &trans->in.params, 4,
+ &io->nttrans.in.new_name,
+ STR_TERMINATE);
+ if (!io->nttrans.in.new_name) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->nttrans.in.file.ntvfs);
+ return ntvfs_rename(req->ntvfs, io);
+}
+
+/*
+ parse NTTRANS_IOCTL send
+ */
+static NTSTATUS nttrans_ioctl_send(struct nttrans_op *op)
{
- return NT_STATUS_FOOBAR;
+ union smb_ioctl *info = talloc_get_type(op->op_info, union smb_ioctl);
+ NTSTATUS status;
+
+ /*
+ * we pass 0 as data_count here,
+ * because we reuse the DATA_BLOB from the smb_ioctl
+ * struct
+ */
+ status = nttrans_setup_reply(op, op->trans, 0, 0, 1);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ op->trans->out.setup[0] = 0;
+ op->trans->out.data = info->ntioctl.out.blob;
+
+ return NT_STATUS_OK;
}
+
/*
parse NTTRANS_IOCTL request
*/
static NTSTATUS nttrans_ioctl(struct smbsrv_request *req,
- struct smb_nttrans *trans)
+ struct nttrans_op *op)
{
- union smb_ioctl nt;
- uint32_t function;
- uint16_t fnum;
- uint8_t filter;
- BOOL fsctl;
- DATA_BLOB *blob;
+ struct smb_nttrans *trans = op->trans;
+ union smb_ioctl *nt;
/* should have at least 4 setup words */
if (trans->in.setup_count != 4) {
return NT_STATUS_INVALID_PARAMETER;
}
-
- function = IVAL(trans->in.setup, 0);
- fnum = SVAL(trans->in.setup, 4);
- fsctl = CVAL(trans->in.setup, 6);
- filter = CVAL(trans->in.setup, 7);
- blob = &trans->in.data;
+ nt = talloc(op, union smb_ioctl);
+ NT_STATUS_HAVE_NO_MEMORY(nt);
+
+ nt->ntioctl.level = RAW_IOCTL_NTIOCTL;
+ nt->ntioctl.in.function = IVAL(trans->in.setup, 0);
+ nt->ntioctl.in.file.ntvfs = smbsrv_pull_fnum(req, (uint8_t *)trans->in.setup, 4);
+ nt->ntioctl.in.fsctl = CVAL(trans->in.setup, 6);
+ nt->ntioctl.in.filter = CVAL(trans->in.setup, 7);
+ nt->ntioctl.in.max_data = trans->in.max_data;
+ nt->ntioctl.in.blob = trans->in.data;
+
+ op->op_info = nt;
+ op->send_fn = nttrans_ioctl_send;
+
+ SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(nt->ntioctl.in.file.ntvfs);
+ return ntvfs_ioctl(req->ntvfs, nt);
+}
- 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;
+/*
+ send NTTRANS_NOTIFY_CHANGE reply
+ */
+static NTSTATUS nttrans_notify_change_send(struct nttrans_op *op)
+{
+ union smb_notify *info = talloc_get_type(op->op_info, union smb_notify);
+ size_t size = 0;
+ int i;
+ NTSTATUS status;
+ uint8_t *p;
+#define MAX_BYTES_PER_CHAR 3
- return ntvfs_ioctl(req, &nt);
+ /* work out how big the reply buffer could be */
+ for (i=0;i<info->nttrans.out.num_changes;i++) {
+ size += 12 + 3 + (1+strlen(info->nttrans.out.changes[i].name.s)) * MAX_BYTES_PER_CHAR;
+ }
+
+ status = nttrans_setup_reply(op, op->trans, size, 0, 0);
+ NT_STATUS_NOT_OK_RETURN(status);
+ p = op->trans->out.params.data;
+
+ /* construct the changes buffer */
+ for (i=0;i<info->nttrans.out.num_changes;i++) {
+ uint32_t ofs;
+ ssize_t len;
+
+ SIVAL(p, 4, info->nttrans.out.changes[i].action);
+ len = push_string(lp_iconv_convenience(global_loadparm), p + 12, info->nttrans.out.changes[i].name.s,
+ op->trans->out.params.length -
+ (p+12 - op->trans->out.params.data), STR_UNICODE);
+ SIVAL(p, 8, len);
+
+ ofs = len + 12;
+
+ if (ofs & 3) {
+ int pad = 4 - (ofs & 3);
+ memset(p+ofs, 0, pad);
+ ofs += pad;
+ }
+
+ if (i == info->nttrans.out.num_changes-1) {
+ SIVAL(p, 0, 0);
+ } else {
+ SIVAL(p, 0, ofs);
+ }
+
+ p += ofs;
+ }
+
+ op->trans->out.params.length = p - op->trans->out.params.data;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ parse NTTRANS_NOTIFY_CHANGE request
+ */
+static NTSTATUS nttrans_notify_change(struct smbsrv_request *req,
+ struct nttrans_op *op)
+{
+ struct smb_nttrans *trans = op->trans;
+ union smb_notify *info;
+
+ /* should have at least 4 setup words */
+ if (trans->in.setup_count != 4) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ info = talloc(op, union smb_notify);
+ NT_STATUS_HAVE_NO_MEMORY(info);
+
+ info->nttrans.level = RAW_NOTIFY_NTTRANS;
+ info->nttrans.in.completion_filter = IVAL(trans->in.setup, 0);
+ info->nttrans.in.file.ntvfs = smbsrv_pull_fnum(req, (uint8_t *)trans->in.setup, 4);
+ info->nttrans.in.recursive = SVAL(trans->in.setup, 6);
+ info->nttrans.in.buffer_size = trans->in.max_param;
+
+ op->op_info = info;
+ op->send_fn = nttrans_notify_change_send;
+
+ SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(info->nttrans.in.file.ntvfs);
+ return ntvfs_notify(req->ntvfs, 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 ntvfs_request *ntvfs)
{
- 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;
+ struct smbsrv_request *req;
+ uint32_t params_left, data_left;
uint8_t *params, *data;
- NTSTATUS status;
+ struct smb_nttrans *trans;
+ struct nttrans_op *op;
- /* parse request */
- if (req->in.wct < 19) {
- smbsrv_send_error(req, NT_STATUS_FOOBAR);
- return;
- }
+ SMBSRV_CHECK_ASYNC_STATUS(op, struct nttrans_op);
- 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);
+ trans = op->trans;
- if (req->in.wct != 19 + trans.in.setup_count) {
- smbsrv_send_dos_error(req, ERRSRV, ERRerror);
- 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;
+ }
}
- /* 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));
- }
+ smbsrv_setup_reply(req, 18 + trans->out.setup_count, 0);
- 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;
- }
+ /* note that we don't check the max_setup count (matching w2k3
+ behaviour) */
- /* 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 (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;
}
-
- /* 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;
+ 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 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;
- }
-#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) {
- 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);
-
- if (!NT_STATUS_IS_OK(status)) {
- smbsrv_setup_error(req, status);
- }
+ params_left = trans->out.params.length;
+ data_left = trans->out.data.length;
+ params = trans->out.params.data;
+ data = trans->out.data.data;
/* we need to divide up the reply into chunks that fit into
the negotiated buffer size */
do {
- uint16_t this_data, this_param, max_bytes;
+ uint32_t this_data, this_param, max_bytes;
uint_t align1 = 1, align2 = (params_left ? 2 : 0);
struct smbsrv_request *this_req;
this_req = req;
}
- req_grow_data(req, this_param + this_data + (align1 + align2));
+ req_grow_data(this_req, this_param + this_data + (align1 + align2));
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));
-
- 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]);
- }
+ SIVAL(this_req->out.vwv, 31, PTR_DIFF(data, trans->out.data.data));
+ SCVAL(this_req->out.vwv, 35, trans->out.setup_count);
+ memcpy((char *)(this_req->out.vwv) + VWV(18), trans->out.setup,
+ sizeof(uint16_t) * trans->out.setup_count);
memset(this_req->out.data, 0, align1);
if (this_param != 0) {
memcpy(this_req->out.data + align1, params, this_param);
}
+/****************************************************************************
+ Reply to an SMBnttrans request
+****************************************************************************/
+void smbsrv_reply_nttrans(struct smbsrv_request *req)
+{
+ struct nttrans_op *op;
+ struct smb_nttrans *trans;
+ uint32_t param_ofs, data_ofs;
+ uint32_t param_count, data_count;
+ uint32_t param_total, data_total;
+
+ /* parse request */
+ if (req->in.wct < 19) {
+ smbsrv_send_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ SMBSRV_TALLOC_IO_PTR(op, struct nttrans_op);
+ SMBSRV_SETUP_NTVFS_REQUEST(reply_nttrans_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+ 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, uint8_t, trans->in.setup_count*2);
+ if (!trans->in.setup) {
+ smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+ memcpy(trans->in.setup, (char *)(req->in.vwv) + VWV(19),
+ sizeof(uint16_t) * trans->in.setup_count);
+
+ if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, &trans->in.params) ||
+ !req_pull_blob(&req->in.bufinfo, 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"));
+ smbsrv_send_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ ZERO_STRUCT(trans->out);
+ SMBSRV_CALL_NTVFS_BACKEND(nttrans_backend(req, op));
+}
+
+
/****************************************************************************
Reply to an SMBnttranss request
****************************************************************************/
git.samba.org / samba.git / blobdiff