4 files changed, 61 insertions, 3 deletions

diff --git a/source4/librpc/rpc/dcerpc.h b/source4/librpc/rpc/dcerpc.h
index 5d25882041..fdd17fcbb3 100644
--- a/source4/librpc/rpc/dcerpc.h
+++ b/source4/librpc/rpc/dcerpc.h
@@ -29,6 +29,9 @@
   marshalling/unmarshalling routines in decrpc.c
 */
 
+enum dcerpc_transport_t {NCACN_NP, NCACN_IP_TCP};
+
+
 struct dcerpc_pipe {
 	TALLOC_CTX *mem_ctx;
 	int reference_count;
@@ -38,8 +41,10 @@ struct dcerpc_pipe {
 	unsigned flags;
 	struct ntlmssp_state *ntlmssp_state;
 	struct dcerpc_auth *auth_info;
-
+	const char *binding_string;
+	
 	struct dcerpc_transport {
+		enum dcerpc_transport_t transport;
 		void *private;
 		NTSTATUS (*full_request)(struct dcerpc_pipe *, 
 					 TALLOC_CTX *, DATA_BLOB *, DATA_BLOB *);
@@ -94,8 +99,6 @@ struct dcerpc_interface_table {
 };
 
 
-enum dcerpc_transport_t {NCACN_NP, NCACN_IP_TCP};
-
 /* this describes a binding to a particular transport/pipe */
 struct dcerpc_binding {
 	enum dcerpc_transport_t transport;
diff --git a/source4/librpc/rpc/dcerpc_smb.c b/source4/librpc/rpc/dcerpc_smb.c
index fc71a47cf4..da43a8a92b 100644
--- a/source4/librpc/rpc/dcerpc_smb.c
+++ b/source4/librpc/rpc/dcerpc_smb.c
@@ -354,6 +354,7 @@ NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_pipe **p,
 	/*
 	  fill in the transport methods
 	*/
+	(*p)->transport.transport = NCACN_NP;
 	(*p)->transport.private = NULL;
 	(*p)->transport.full_request = smb_full_request;
 	(*p)->transport.secondary_request = smb_secondary_request;
@@ -375,3 +376,17 @@ NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_pipe **p,
 
         return NT_STATUS_OK;
 }
+
+/*
+  return the SMB tree used for a dcerpc over SMB pipe
+*/
+struct cli_tree *dcerpc_smb_tree(struct dcerpc_pipe *p)
+{
+	struct smb_private *smb = p->transport.private;
+
+	if (p->transport.transport != NCACN_NP) {
+		return NULL;
+	}
+
+	return smb->tree;
+}
diff --git a/source4/librpc/rpc/dcerpc_tcp.c b/source4/librpc/rpc/dcerpc_tcp.c
index b577260033..afdf243071 100644
--- a/source4/librpc/rpc/dcerpc_tcp.c
+++ b/source4/librpc/rpc/dcerpc_tcp.c
@@ -183,6 +183,7 @@ NTSTATUS dcerpc_pipe_open_tcp(struct dcerpc_pipe **p,
 	/*
 	  fill in the transport methods
 	*/
+	(*p)->transport.transport = NCACN_IP_TCP;
 	(*p)->transport.private = NULL;
 	(*p)->transport.full_request = tcp_full_request;
 	(*p)->transport.secondary_request = tcp_secondary_request;
diff --git a/source4/librpc/rpc/dcerpc_util.c b/source4/librpc/rpc/dcerpc_util.c
index 8efcefc8a7..1ef776125f 100644
--- a/source4/librpc/rpc/dcerpc_util.c
+++ b/source4/librpc/rpc/dcerpc_util.c
@@ -578,6 +578,11 @@ NTSTATUS dcerpc_pipe_connect_b(struct dcerpc_pipe **p,
 		break;
 	}
 
+	/* remember the binding string for possible secondary connections */
+	if (NT_STATUS_IS_OK(status)) {
+		(*p)->binding_string = dcerpc_binding_string((*p)->mem_ctx, binding);
+	}
+
 	return status;
 }
 
@@ -613,3 +618,37 @@ NTSTATUS dcerpc_pipe_connect(struct dcerpc_pipe **p,
 	talloc_destroy(mem_ctx);
 	return status;
 }
+
+
+/*
+  create a secondary dcerpc connection on SMB
+  the secondary connection will be on the same SMB connection, but
+  use a new fnum
+*/
+NTSTATUS dcerpc_secondary_smb(struct dcerpc_pipe *p, struct dcerpc_pipe **p2,
+			      const char *pipe_name,
+			      const char *pipe_uuid,
+			      uint32 pipe_version)
+{
+	NTSTATUS status;
+	struct cli_tree *tree;
+
+	tree = dcerpc_smb_tree(p);
+	if (!tree) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	status = dcerpc_pipe_open_smb(p2, tree, pipe_name);
+	if (!NT_STATUS_IS_OK(status)) {
+                return status;
+        }
+	
+	(*p2)->flags = p->flags;
+
+	status = dcerpc_bind_auth_none(*p2, pipe_uuid, pipe_version);
+	if (!NT_STATUS_IS_OK(status)) {
+                return status;
+        }
+
+	return NT_STATUS_OK;
+}