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/*
Unix SMB/CIFS implementation.
dcerpc connect functions
Copyright (C) Andrew Tridgell 2003
Copyright (C) Jelmer Vernooij 2004
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
Copyright (C) Rafal Szczesniak 2005
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"
#include "system/network.h"
#include "librpc/gen_ndr/ndr_epmapper.h"
#include "librpc/gen_ndr/ndr_dcerpc.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/composite/composite.h"
#include "libcli/smb_composite/smb_composite.h"
struct dcerpc_pipe_connect;
struct pipe_np_smb_state {
struct smb_composite_connect conn;
struct smbcli_tree *tree;
struct dcerpc_pipe_connect io;
};
void continue_pipe_open_smb(struct composite_context *ctx)
{
struct composite_context *c = talloc_get_type(ctx->async.private_data,
struct composite_context);
struct pipe_np_smb_state *s = talloc_get_type(c->private_data,
struct pipe_np_smb_state);
c->status = dcerpc_pipe_open_smb_recv(ctx);
if (!NT_STATUS_IS_OK(c->status)) {
DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status)));
composite_error(c, c->status);
return;
}
composite_done(c);
}
void continue_smb_connect(struct composite_context *ctx)
{
struct composite_context *open_ctx;
struct composite_context *c = talloc_get_type(ctx->async.private_data,
struct composite_context);
struct pipe_np_smb_state *s = talloc_get_type(c->private_data,
struct pipe_np_smb_state);
c->status = smb_composite_connect_recv(ctx, c);
if (!NT_STATUS_IS_OK(c->status)) {
DEBUG(0,("Failed to connect to %s - %s\n", s->io.binding->host, nt_errstr(c->status)));
composite_error(c, c->status);
return;
}
s->tree = s->conn.out.tree;
s->io.pipe_name = s->io.binding->endpoint;
open_ctx = dcerpc_pipe_open_smb_send(s->io.pipe->conn, s->tree, s->io.pipe_name);
composite_continue(c, open_ctx, continue_pipe_open_smb, c);
}
/* open a rpc connection to a rpc pipe on SMB using the binding
structure to determine the endpoint and options */
struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX *tmp_ctx,
struct dcerpc_pipe_connect *io)
{
struct composite_context *c;
struct pipe_np_smb_state *s;
struct composite_context *conn_req;
struct smb_composite_connect *conn;
c = talloc_zero(tmp_ctx, struct composite_context);
if (c == NULL) return NULL;
c->state = COMPOSITE_STATE_IN_PROGRESS;
c->private_data = s;
c->event_ctx = io->pipe->conn->event_ctx;
s = talloc_zero(c, struct pipe_np_smb_state);
if (s == NULL) {
c->status = NT_STATUS_NO_MEMORY;
goto failed;
}
s->io = *io;
conn = &s->conn;
conn->in.dest_host = s->io.binding->host;
conn->in.port = 0;
conn->in.called_name = strupper_talloc(tmp_ctx, s->io.binding->host);
if (conn->in.called_name) {
c->status = NT_STATUS_NO_MEMORY;
goto failed;
}
conn->in.service = "IPC$";
conn->in.service_type = NULL;
conn->in.fallback_to_anonymous = False;
conn->in.workgroup = lp_workgroup();
if (s->io.binding->flags & DCERPC_SCHANNEL) {
struct cli_credentials *anon_creds;
anon_creds = cli_credentials_init(tmp_ctx);
if (!anon_creds) {
c->status = NT_STATUS_NO_MEMORY;
goto failed;
}
cli_credentials_set_anonymous(anon_creds);
cli_credentials_guess(anon_creds);
s->conn.in.credentials = anon_creds;
} else {
s->conn.in.credentials = s->io.creds;
}
conn_req = smb_composite_connect_send(conn, s->io.pipe->conn, s->io.pipe->conn->event_ctx);
if (!conn_req) {
c->status = NT_STATUS_NO_MEMORY;
goto failed;
}
composite_continue(c, conn_req, continue_smb_connect, c);
return c;
failed:
composite_trigger_error(c);
return c;
}
NTSTATUS dcerpc_pipe_connect_ncacn_np_smb_recv(struct composite_context *c)
{
NTSTATUS status = composite_wait(c);
talloc_free(c);
return status;
}
NTSTATUS dcerpc_pipe_connect_ncacn_np_smb(TALLOC_CTX *tmp_ctx,
struct dcerpc_pipe_connect *io)
{
struct composite_context *c;
c = dcerpc_pipe_connect_ncacn_np_smb_send(tmp_ctx, io);
return dcerpc_pipe_connect_ncacn_np_smb_recv(c);
}
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