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/*
Unix SMB/CIFS implementation.
raw dcerpc operations
Copyright (C) Tim Potter, 2003
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.
*/
#include "includes.h"
static int put_uuid(char *data, int offset, struct dcerpc_uuid *uuid)
{
int i;
SIVAL(data, offset, uuid->time_low); offset += 4;
SSVAL(data, offset, uuid->time_mid); offset += 2;
SSVAL(data, offset, uuid->time_hi_and_version); offset += 2;
for (i = 0; i < 8; i++)
SCVAL(data, offset + i, uuid->remaining[i]);
offset += 8;
return offset;
}
DATA_BLOB dcerpc_raw_bind_setup(struct dcerpc_bind *parms)
{
int i, offset, size;
char *data;
/* Allocate storage for bind request */
size = 28;
for (i = 0; i < parms->in.num_contexts; i++) {
size += 24; /* as header + uuid */
size += 20 * parms->in.ctx_list[i].num_ts; /* xfer syntaxes */
}
size += parms->in.auth_verifier.length;
data = smb_xmalloc(size);
memset(data, 0, size);
parms->in.hdr.frag_len = size;
/* Create bind request */
SCVAL(data, 0, parms->in.hdr.rpc_vers);
SCVAL(data, 1, parms->in.hdr.rpc_vers_minor);
SCVAL(data, 2, parms->in.hdr.ptype);
SCVAL(data, 3, parms->in.hdr.pfc_flags);
for (i = 0; i < 4; i++)
SCVAL(data, 4 + i, parms->in.hdr.drep[i]);
SSVAL(data, 8, parms->in.hdr.frag_len);
SSVAL(data, 10, parms->in.auth_verifier.length);
SIVAL(data, 12, parms->in.hdr.call_id);
SSVAL(data, 16, parms->in.max_xmit_frag);
SSVAL(data, 18, parms->in.max_recv_frag);
SIVAL(data, 20, parms->in.assoc_group_id);
SIVAL(data, 24, parms->in.num_contexts);
offset = 28;
for (i = 0; i < parms->in.num_contexts; i++) {
struct p_ctx_list *ctx = &parms->in.ctx_list[i];
int j;
SSVAL(data, offset, ctx->cont_id); offset += 2;
SSVAL(data, offset, ctx->num_ts); offset += 2;
offset = put_uuid(data, offset, &ctx->as->if_uuid);
SIVAL(data, offset, ctx->as->if_version); offset += 4;
for (j = 0; j < ctx->num_ts; j++) {
offset = put_uuid(data, offset, &ctx->ts[i].if_uuid);
SIVAL(data, offset, ctx->ts[i].if_version);
offset += 4;
}
}
if (parms->in.auth_verifier.length)
memcpy(&data[offset], parms->in.auth_verifier.data,
parms->in.auth_verifier.length);
return data_blob(data, size);
}
NTSTATUS dcerpc_raw_bind_send(struct cli_dcerpc_pipe *p,
struct dcerpc_bind *parms)
{
struct smb_trans2 trans;
DATA_BLOB blob;
NTSTATUS result;
uint16 setup[2];
blob = dcerpc_raw_bind_setup(parms);
ZERO_STRUCT(trans);
trans.in.max_data = blob.length;
trans.in.setup_count = 2;
trans.in.setup = setup;
trans.in.trans_name = "\\PIPE\\";
setup[0] = TRANSACT_DCERPCCMD;
setup[1] = p->fnum;
trans.in.data = blob;
result = smb_raw_trans(p->tree, p->mem_ctx, &trans);
data_blob_free(&blob);
return result;
}
NTSTATUS dcerpc_raw_bind_recv(struct cli_dcerpc_pipe *p,
struct dcerpc_bind *parms)
{
return NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS dcerpc_raw_bind(struct cli_dcerpc_pipe *p, struct dcerpc_bind *parms)
{
NTSTATUS result;
result = dcerpc_raw_bind_send(p, parms);
if (NT_STATUS_IS_ERR(result))
return result;
return dcerpc_raw_bind_recv(p, parms);
}
DATA_BLOB dcerpc_raw_request_setup(struct dcerpc_request *parms)
{
int size, i;
char *data;
/* Allocate storage for request */
size = 24 + parms->in.stub_data.length;
data = smb_xmalloc(size);
memset(data, 0, size);
parms->in.hdr.frag_len = size;
parms->in.alloc_hint = parms->in.stub_data.length;
SCVAL(data, 0, parms->in.hdr.rpc_vers);
SCVAL(data, 1, parms->in.hdr.rpc_vers_minor);
SCVAL(data, 2, parms->in.hdr.ptype);
SCVAL(data, 3, parms->in.hdr.pfc_flags);
for (i = 0; i < 4; i++)
SCVAL(data, 4 + i, parms->in.hdr.drep[i]);
SSVAL(data, 8, parms->in.hdr.frag_len);
SSVAL(data, 10, parms->in.auth_verifier.length);
SIVAL(data, 12, parms->in.hdr.call_id);
SIVAL(data, 16, parms->in.alloc_hint);
SSVAL(data, 20, parms->in.cont_id);
SSVAL(data, 22, parms->in.opnum);
if (parms->in.stub_data.length)
memcpy(&data[24], parms->in.stub_data.data,
parms->in.stub_data.length);
return data_blob(data, size);
}
NTSTATUS dcerpc_raw_request_send(struct cli_dcerpc_pipe *p,
struct dcerpc_request *parms)
{
struct smb_trans2 trans;
DATA_BLOB blob;
NTSTATUS result;
uint16 setup[2];
blob = dcerpc_raw_request_setup(parms);
ZERO_STRUCT(trans);
trans.in.max_data = blob.length;
trans.in.setup_count = 2;
trans.in.setup = setup;
trans.in.trans_name = "\\PIPE\\";
setup[0] = TRANSACT_DCERPCCMD;
setup[1] = p->fnum;
trans.in.data = blob;
result = smb_raw_trans(p->tree, p->mem_ctx, &trans);
data_blob_free(&blob);
return result;
}
NTSTATUS dcerpc_raw_request_recv(struct cli_dcerpc_pipe *p,
struct dcerpc_request *parms)
{
return NT_STATUS_UNSUCCESSFUL;
}
NTSTATUS dcerpc_raw_request(struct cli_dcerpc_pipe *p,
struct dcerpc_request *parms)
{
NTSTATUS result;
result = dcerpc_raw_request_send(p, parms);
if (NT_STATUS_IS_ERR(result))
return result;
return dcerpc_raw_request_recv(p, parms);
}
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