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 "libcli/raw/raw_proto.h"
#include "librpc/gen_ndr/ndr_security.h"
+#include "param/param.h"
/*
hold the state of a nttrans op while in progress. Needed to allow for async backend
{
trans->out.setup_count = setup_count;
if (setup_count != 0) {
- trans->out.setup = talloc_zero_array(op, 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(op, NULL, param_size);
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;
io->ntcreatex.in.security_flags = CVAL(params, 52);
io->ntcreatex.in.sec_desc = NULL;
io->ntcreatex.in.ea_list = NULL;
+ io->ntcreatex.in.query_maximal_access = false;
- req_pull_string(req, &io->ntcreatex.in.fname,
+ 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.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);
}
}
union smb_fileinfo *io = talloc_get_type(op->op_info, union smb_fileinfo);
uint8_t *params;
NTSTATUS status;
+ enum ndr_err_code ndr_err;
status = nttrans_setup_reply(op, op->trans, 4, 0, 0);
NT_STATUS_NOT_OK_RETURN(status);
params = op->trans->out.params.data;
- status = ndr_push_struct_blob(&op->trans->out.data, op,
- io->query_secdesc.out.sd,
- (ndr_push_flags_fn_t)ndr_push_security_descriptor);
- NT_STATUS_NOT_OK_RETURN(status);
+ 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);
+ }
SIVAL(params, 0, op->trans->out.data.length);
{
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;
io->set_secdesc.in.sd = talloc(io, struct security_descriptor);
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);
- NT_STATUS_NOT_OK_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);
+ }
SMBSRV_CHECK_FILE_HANDLE_NTSTATUS(io->set_secdesc.in.file.ntvfs);
return ntvfs_setfileinfo(req->ntvfs, io);
static NTSTATUS nttrans_rename(struct smbsrv_request *req,
struct nttrans_op *op)
{
- return NT_STATUS_NOT_IMPLEMENTED;
+ 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);
}
/*
ssize_t len;
SIVAL(p, 4, info->nttrans.out.changes[i].action);
- len = push_string(p + 12, info->nttrans.out.changes[i].name.s,
+ 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);
static void reply_nttrans_send(struct ntvfs_request *ntvfs)
{
struct smbsrv_request *req;
- uint16_t params_left, data_left;
+ uint32_t params_left, data_left;
uint8_t *params, *data;
struct smb_nttrans *trans;
struct nttrans_op *op;
/* 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;
- int i;
max_bytes = req_max_data(req) - (align1 + align2);
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, 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]);
- }
-
+ 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);
} while (params_left != 0 || data_left != 0);
}
+/*
+ send a continue request
+*/
+static void reply_nttrans_continue(struct smbsrv_request *req, struct smb_nttrans *trans)
+{
+ struct smbsrv_request *req2;
+ struct smbsrv_trans_partial *tp;
+ int count;
+
+ /* make sure they don't flood us */
+ for (count=0,tp=req->smb_conn->trans_partial;tp;tp=tp->next) count++;
+ if (count > 100) {
+ smbsrv_send_error(req, NT_STATUS_INSUFFICIENT_RESOURCES);
+ return;
+ }
+
+ tp = talloc(req, struct smbsrv_trans_partial);
+
+ tp->req = req;
+ tp->u.nttrans = trans;
+ tp->command = SMBnttrans;
+
+ DLIST_ADD(req->smb_conn->trans_partial, tp);
+ talloc_set_destructor(tp, smbsrv_trans_partial_destructor);
+
+ req2 = smbsrv_setup_secondary_request(req);
+
+ /* send a 'please continue' reply */
+ smbsrv_setup_reply(req2, 0, 0);
+ smbsrv_send_reply(req2);
+}
+
+
+/*
+ answer a reconstructed trans request
+*/
+static void reply_nttrans_complete(struct smbsrv_request *req, struct smb_nttrans *trans)
+{
+ struct nttrans_op *op;
+
+ SMBSRV_TALLOC_IO_PTR(op, struct nttrans_op);
+ SMBSRV_SETUP_NTVFS_REQUEST(reply_nttrans_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+ op->trans = trans;
+ op->op_info = NULL;
+ op->send_fn = NULL;
+
+ /* its a full request, give it to the backend */
+ ZERO_STRUCT(trans->out);
+ SMBSRV_CALL_NTVFS_BACKEND(nttrans_backend(req, op));
+}
+
/****************************************************************************
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;
+ 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) {
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);
+ trans = talloc(req, 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);
}
/* parse out the setup words */
- trans->in.setup = talloc_array(req, uint16_t, trans->in.setup_count);
+ 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;
}
- for (i=0;i<trans->in.setup_count;i++) {
- trans->in.setup[i] = SVAL(req->in.vwv, VWV(19+i));
- }
+ memcpy(trans->in.setup, (char *)(req->in.vwv) + VWV(19),
+ sizeof(uint16_t) * trans->in.setup_count);
- 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)) {
+ 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);
+ if (param_total > param_count || data_total > data_count) {
+ reply_nttrans_continue(req, trans);
return;
}
- ZERO_STRUCT(trans->out);
- SMBSRV_CALL_NTVFS_BACKEND(nttrans_backend(req, op));
+ reply_nttrans_complete(req, trans);
}
****************************************************************************/
void smbsrv_reply_nttranss(struct smbsrv_request *req)
{
- smbsrv_send_error(req, NT_STATUS_FOOBAR);
+ struct smbsrv_trans_partial *tp;
+ struct smb_nttrans *trans = NULL;
+ uint32_t param_ofs, data_ofs;
+ uint32_t param_count, data_count;
+ uint32_t param_disp, data_disp;
+ uint32_t param_total, data_total;
+ DATA_BLOB params, data;
+
+ /* parse request */
+ if (req->in.wct != 18) {
+ smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRerror));
+ return;
+ }
+
+ for (tp=req->smb_conn->trans_partial;tp;tp=tp->next) {
+ if (tp->command == SMBnttrans &&
+ SVAL(tp->req->in.hdr, HDR_MID) == SVAL(req->in.hdr, HDR_MID)) {
+/* TODO: check the VUID, PID and TID too? */
+ break;
+ }
+ }
+
+ if (tp == NULL) {
+ smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ trans = tp->u.nttrans;
+
+ param_total = IVAL(req->in.vwv, 3);
+ data_total = IVAL(req->in.vwv, 7);
+ param_count = IVAL(req->in.vwv, 11);
+ param_ofs = IVAL(req->in.vwv, 15);
+ param_disp = IVAL(req->in.vwv, 19);
+ data_count = IVAL(req->in.vwv, 23);
+ data_ofs = IVAL(req->in.vwv, 27);
+ data_disp = IVAL(req->in.vwv, 31);
+
+ if (!req_pull_blob(&req->in.bufinfo, req->in.hdr + param_ofs, param_count, ¶ms) ||
+ !req_pull_blob(&req->in.bufinfo, req->in.hdr + data_ofs, data_count, &data)) {
+ smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ /* only allow contiguous requests */
+ if ((param_count != 0 &&
+ param_disp != trans->in.params.length) ||
+ (data_count != 0 &&
+ data_disp != trans->in.data.length)) {
+ smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+
+ /* add to the existing request */
+ if (param_count != 0) {
+ trans->in.params.data = talloc_realloc(trans,
+ trans->in.params.data,
+ uint8_t,
+ param_disp + param_count);
+ if (trans->in.params.data == NULL) {
+ smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+ trans->in.params.length = param_disp + param_count;
+ }
+
+ if (data_count != 0) {
+ trans->in.data.data = talloc_realloc(trans,
+ trans->in.data.data,
+ uint8_t,
+ data_disp + data_count);
+ if (trans->in.data.data == NULL) {
+ smbsrv_send_error(tp->req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+ trans->in.data.length = data_disp + data_count;
+ }
+
+ memcpy(trans->in.params.data + param_disp, params.data, params.length);
+ memcpy(trans->in.data.data + data_disp, data.data, data.length);
+
+ /* the sequence number of the reply is taken from the last secondary
+ response */
+ tp->req->seq_num = req->seq_num;
+
+ /* we don't reply to Transs2 requests */
+ talloc_free(req);
+
+ if (trans->in.params.length == param_total &&
+ trans->in.data.length == data_total) {
+ /* its now complete */
+ req = tp->req;
+ talloc_free(tp);
+ reply_nttrans_complete(req, trans);
+ }
+ return;
}
git.samba.org / kai / samba.git / blobdiff