r12087: Split dcerpc pipe connection functions into separate file.

It's going to contain async functions and ncacn_np is the
first.

rafal
(This used to be commit 3fe2df5fe3165972536c937620d770e763b0d5bb)

source4/librpc/rpc/config.mk

@@ -10,7 +10,8 @@ ADD_OBJ_FILES = \
 		dcerpc_error.o \
 		dcerpc_smb.o \
 		dcerpc_smb2.o \
-		dcerpc_sock.o
+		dcerpc_sock.o \
+		dcerpc_connect.o
 REQUIRED_SUBSYSTEMS = SOCKET
 # End SUBSYSTEM RPC_RAW
 ################################################

source4/librpc/rpc/dcerpc_connect.c

@@ -0,0 +1,165 @@
+/* 
+   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_trigger_error(c);
+		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_trigger_error(c);
+		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;
+
+	s = talloc_zero(c, struct pipe_np_smb_state);
+	if (s == NULL) {
+		c->status = NT_STATUS_NO_MEMORY;
+		goto failed;
+	}
+
+	c->state = COMPOSITE_STATE_IN_PROGRESS;
+	c->private_data = s;
+	c->event_ctx = io->pipe->conn->event_ctx;
+
+	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);
+	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
+			= cli_credentials_init(tmp_ctx);
+		if (composite_nomem(anon_creds, c)) return NULL;
+
+		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);
+
+	composite_continue(c, conn_req, continue_smb_connect, c);
+	
+	return c;
+
+failed:
+	composite_trigger_error(c);
+	return NULL;
+}
+
+
+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);
+}