Merge branch 'v4-0-test' of ssh://git.samba.org/data/git/samba into v4-0-gmake3

Conflicts:

	source/Makefile
	source/auth/config.mk
	source/auth/gensec/config.mk
	source/build/m4/public.m4
	source/build/make/python.mk
	source/build/make/rules.mk
	source/build/smb_build/header.pm
	source/build/smb_build/main.pl
	source/build/smb_build/makefile.pm
	source/dsdb/config.mk
	source/dsdb/samdb/ldb_modules/config.mk
	source/kdc/config.mk
	source/lib/events/config.mk
	source/lib/events/events.c
	source/lib/ldb/config.mk
	source/lib/nss_wrapper/config.mk
	source/lib/policy/config.mk
	source/lib/util/config.mk
	source/libcli/smb2/config.mk
	source/libnet/config.mk
	source/librpc/config.mk
	source/nbt_server/config.mk
	source/ntptr/ntptr_base.c
	source/ntvfs/posix/config.mk
	source/ntvfs/sysdep/config.mk
	source/param/config.mk
	source/rpc_server/config.mk
	source/rpc_server/service_rpc.c
	source/scripting/ejs/config.mk
	source/scripting/python/config.mk
	source/smb_server/config.mk
	source/smbd/server.c
	source/torture/config.mk
	source/torture/smb2/config.mk
	source/wrepl_server/config.mk
(This used to be commit 13bbd420681519894a4036729c43273912c9b402)

12 files changed, 823 insertions, 761 deletions

diff --git a/source4/librpc/config.mk b/source4/librpc/config.mk
index cb679d20bb..c5820619d9 100644
--- a/source4/librpc/config.mk
+++ b/source4/librpc/config.mk
@@ -459,8 +459,9 @@ PUBLIC_HEADERS += librpc/gen_ndr/ndr_svcctl_c.h
 
 [LIBRARY::dcerpc_atsvc]
 PUBLIC_DEPENDENCIES = dcerpc NDR_ATSVC
-VERSION = 0.0.1
-SO_VERSION = 0
+
+dcerpc_atsvc_VERSION = 0.0.1
+dcerpc_atsvc_SOVERSION = 0
 
 dcerpc_atsvc_OBJ_FILES = librpc/gen_ndr/ndr_atsvc_c.o
 PC_FILES += librpc/dcerpc_atsvc.pc
@@ -588,7 +589,7 @@ PC_FILES += librpc/dcerpc.pc
 dcerpc_VERSION = 0.0.1
 dcerpc_SOVERSION = 0
 
-dcerpc_OBJ_FILES = $(addprefix librpc/rpc/, dcerpc.o dcerpc_auth.o dcerpc_schannel.o dcerpc_util.o \
+dcerpc_OBJ_FILES = $(addprefix librpc/rpc/, dcerpc.o dcerpc_auth.o dcerpc_schannel.o dcerpc_util.o binding.o \
 				  dcerpc_error.o dcerpc_smb.o dcerpc_smb2.o dcerpc_sock.o dcerpc_connect.o dcerpc_secondary.o)
 
 
@@ -718,73 +719,84 @@ PUBLIC_DEPENDENCIES = LIBCLI_SMB NDR_MISC LIBSAMBA-UTIL LIBSAMBA-HOSTCONFIG dcer
 swig_dcerpc_OBJ_FILES = librpc/rpc/dcerpc_wrap.o
 
 [PYTHON::python_echo]
-PRIVATE_DEPENDENCIES = RPC_NDR_ECHO
+PRIVATE_DEPENDENCIES = RPC_NDR_ECHO PYTALLOC
 
 python_echo_OBJ_FILES = librpc/gen_ndr/py_echo.o
 
 [PYTHON::python_winreg]
-PRIVATE_DEPENDENCIES = RPC_NDR_WINREG python_misc
+PRIVATE_DEPENDENCIES = RPC_NDR_WINREG python_misc PYTALLOC
 
 python_winreg_OBJ_FILES = librpc/gen_ndr/py_winreg.o
 
 [PYTHON::python_dcerpc_misc]
+PRIVATE_DEPENDENCIES = PYTALLOC
 
 python_dcerpc_misc_OBJ_FILES = librpc/gen_ndr/py_misc.o
 
 [PYTHON::python_initshutdown]
-PRIVATE_DEPENDENCIES = RPC_NDR_INITSHUTDOWN
+PRIVATE_DEPENDENCIES = RPC_NDR_INITSHUTDOWN PYTALLOC
 
 python_initshutdown_OBJ_FILES = librpc/gen_ndr/py_initshutdown.o
 
 [PYTHON::python_epmapper]
+PRIVATE_DEPENDENCIES = PYTALLOC
 
 python_epmapper_OBJ_FILES = librpc/gen_ndr/py_epmapper.o
 
 [PYTHON::python_mgmt]
-PRIVATE_DEPENDENCIES = dcerpc_mgmt
+PRIVATE_DEPENDENCIES = dcerpc_mgmt PYTALLOC
 
 python_mgmt_OBJ_FILES = librpc/gen_ndr/py_mgmt.o
 
 [PYTHON::python_atsvc]
-PRIVATE_DEPENDENCIES = dcerpc_atsvc
+PRIVATE_DEPENDENCIES = dcerpc_atsvc PYTALLOC
 
 python_atsvc_OBJ_FILES = librpc/gen_ndr/py_atsvc.o
 
 [PYTHON::python_samr]
-PRIVATE_DEPENDENCIES = dcerpc_samr
+PRIVATE_DEPENDENCIES = dcerpc_samr PYTALLOC
+
+python_samr_OBJ_FILES = librpc/gen_ndr/py_samr.o
 
 python_samr_OBJ_FILES = librpc/gen_ndr/py_samr.o
 
 [PYTHON::python_svcctl]
-PRIVATE_DEPENDENCIES = RPC_NDR_SVCCTL
+PRIVATE_DEPENDENCIES = RPC_NDR_SVCCTL PYTALLOC
 
 python_svcctl_OBJ_FILES = librpc/gen_ndr/py_svcctl.o
 
 [PYTHON::python_lsa]
-PRIVATE_DEPENDENCIES = RPC_NDR_LSA
+PRIVATE_DEPENDENCIES = RPC_NDR_LSA PYTALLOC
+
+python_lsa_OBJ_FILES = librpc/gen_ndr/py_lsa.o
 
 python_lsa_OBJ_FILES = librpc/gen_ndr/py_lsa.o
 
 [PYTHON::python_wkssvc]
-PRIVATE_DEPENDENCIES = RPC_NDR_WKSSVC
+PRIVATE_DEPENDENCIES = RPC_NDR_WKSSVC PYTALLOC
 
 python_wkssvc_OBJ_FILES = librpc/gen_ndr/py_wkssvc.o
 
 [PYTHON::python_dfs]
-PRIVATE_DEPENDENCIES = RPC_NDR_DFS
+PRIVATE_DEPENDENCIES = RPC_NDR_DFS PYTALLOC
+
+python_dfs_OBJ_FILES = librpc/gen_ndr/py_dfs.o
 
 python_dfs_OBJ_FILES = gen_ndr/py_dfs.o
 
 [PYTHON::python_unixinfo]
-PRIVATE_DEPENDENCIES = RPC_NDR_UNIXINFO
+PRIVATE_DEPENDENCIES = RPC_NDR_UNIXINFO PYTALLOC
 
-python_unixinfo_OBJ_FILES = gen_ndr/py_unixinfo.o
+python_unixinfo_OBJ_FILES = librpc/gen_ndr/py_unixinfo.o
 
 [PYTHON::python_drsuapi]
-PRIVATE_DEPENDENCIES = RPC_NDR_DRSUAPI
+PRIVATE_DEPENDENCIES = RPC_NDR_DRSUAPI PYTALLOC
+
+python_drsuapi_OBJ_FILES = librpc/gen_ndr/py_drsuapi.o
 
 python_drsuapi_OBJ_FILES = gen_ndr/py_drsuapi.o
 
 [PYTHON::python_dcerpc_security]
+PRIVATE_DEPENDENCIES = PYTALLOC
 
 python_dcerpc_security_OBJ_FILES = librpc/gen_ndr/py_security.o
diff --git a/source4/librpc/idl/drsuapi.idl b/source4/librpc/idl/drsuapi.idl
index 9652571668..2f48287233 100644
--- a/source4/librpc/idl/drsuapi.idl
+++ b/source4/librpc/idl/drsuapi.idl
@@ -849,7 +849,7 @@ interface drsuapi
 		[case(1)] drsuapi_DsNameCtr1 *ctr1;
 	} drsuapi_DsNameCtr;
 
-	[todo] WERROR drsuapi_DsCrackNames(
+	WERROR drsuapi_DsCrackNames(
 		[in] policy_handle *bind_handle,
 		[in, out] int32 level,
 		[in,switch_is(level)] drsuapi_DsNameRequest req,
diff --git a/source4/librpc/idl/nbt.idl b/source4/librpc/idl/nbt.idl
index aa88360882..dddfa4e1ce 100644
--- a/source4/librpc/idl/nbt.idl
+++ b/source4/librpc/idl/nbt.idl
@@ -440,9 +440,8 @@ interface nbt
 		nstring          unicode_domain;
 		uint32           db_count;
 		nbt_db_change    dbchange[db_count];
-		[value(ndr_size_dom_sid(&sid, ndr->flags))] uint32 sid_size;
-		[flag(NDR_ALIGN4)] DATA_BLOB _pad2;
-		dom_sid          sid;
+		[value(ndr_size_dom_sid0(&sid, ndr->flags))] uint32 sid_size;
+		[subcontext(0),subcontext_size(sid_size)] dom_sid0 sid;
 		uint32           nt_version;
 		uint16           lmnt_token;
 		uint16           lm20_token;
@@ -560,9 +559,8 @@ interface nbt
 		nstring              user_name;
 		astring              mailslot_name;
 		uint32               acct_control;
-		[value(ndr_size_dom_sid(&sid, ndr->flags))] uint32 sid_size;
-		[flag(NDR_ALIGN4)]   DATA_BLOB _pad;
-		dom_sid              sid;
+		[value(ndr_size_dom_sid0(&sid, ndr->flags))] uint32 sid_size;
+		[subcontext(0),subcontext_size(sid_size)] dom_sid0 sid;
 		uint32               nt_version;
 		uint16               lmnt_token;
 		uint16               lm20_token;
diff --git a/source4/librpc/idl/policyagent.idl b/source4/librpc/idl/policyagent.idl
index 295b70a2a1..ab137faf27 100644
--- a/source4/librpc/idl/policyagent.idl
+++ b/source4/librpc/idl/policyagent.idl
@@ -9,5 +9,5 @@
 {
 	/*****************/
 	/* Function 0x00 */
-	WERROR policyagent_Dummy();
+	[todo] WERROR policyagent_Dummy();
 }
diff --git a/source4/librpc/idl/security.idl b/source4/librpc/idl/security.idl
index 753fad85cf..314846c53f 100644
--- a/source4/librpc/idl/security.idl
+++ b/source4/librpc/idl/security.idl
@@ -22,6 +22,9 @@ cpp_quote("#define dom_sid2 dom_sid")
 /* same struct as dom_sid but inside a 28 bytes fixed buffer in NDR */
 cpp_quote("#define dom_sid28 dom_sid")
 
+/* same struct as dom_sid but in a variable byte buffer, which is maybe empty in NDR */
+cpp_quote("#define dom_sid0 dom_sid")
+
 [
 	pointer_default(unique)
 ]
diff --git a/source4/librpc/ndr/libndr.h b/source4/librpc/ndr/libndr.h
index 2439c386db..b719be2bab 100644
--- a/source4/librpc/ndr/libndr.h
+++ b/source4/librpc/ndr/libndr.h
@@ -336,6 +336,10 @@ enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const
 enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags);
+enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
+enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
+void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
+size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags);
 void ndr_print_ipv4_addr(struct ndr_print *ndr, const char *name, const struct in_addr *_ip);
 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid);
 enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, const void *p, ndr_push_flags_fn_t fn);
diff --git a/source4/librpc/ndr/ndr_basic.c b/source4/librpc/ndr/ndr_basic.c
index 93a177f94e..1d2b47c850 100644
--- a/source4/librpc/ndr/ndr_basic.c
+++ b/source4/librpc/ndr/ndr_basic.c
@@ -196,7 +196,7 @@ _PUBLIC_ enum ndr_err_code ndr_pull_hyper(struct ndr_pull *ndr, int ndr_flags, u
 */
 _PUBLIC_ enum ndr_err_code ndr_pull_pointer(struct ndr_pull *ndr, int ndr_flags, void* *v)
 {
-	intptr_t h;
+	uintptr_t h;
 	NDR_PULL_ALIGN(ndr, sizeof(h));
 	NDR_PULL_NEED_BYTES(ndr, sizeof(h));
 	memcpy(&h, ndr->data+ndr->offset, sizeof(h));
@@ -393,7 +393,7 @@ _PUBLIC_ enum ndr_err_code ndr_push_hyper(struct ndr_push *ndr, int ndr_flags, u
 */
 _PUBLIC_ enum ndr_err_code ndr_push_pointer(struct ndr_push *ndr, int ndr_flags, void* v)
 {
-	intptr_t h = (intptr_t)v;
+	uintptr_t h = (intptr_t)v;
 	NDR_PUSH_ALIGN(ndr, sizeof(h));
 	NDR_PUSH_NEED_BYTES(ndr, sizeof(h));
 	memcpy(ndr->data+ndr->offset, &h, sizeof(h));
diff --git a/source4/librpc/ndr/ndr_sec_helper.c b/source4/librpc/ndr/ndr_sec_helper.c
index 5a0178bd25..1256d7dd2d 100644
--- a/source4/librpc/ndr/ndr_sec_helper.c
+++ b/source4/librpc/ndr/ndr_sec_helper.c
@@ -48,6 +48,11 @@ size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags)
 	return 8 + 4*sid->num_auths;
 }
 
+size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags)
+{
+	return ndr_size_dom_sid28(sid, flags);
+}
+
 /*
   return the wire size of a security_ace
 */
@@ -128,6 +133,11 @@ void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct d
 	ndr_print_dom_sid(ndr, name, sid);
 }
 
+void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid)
+{
+	ndr_print_dom_sid(ndr, name, sid);
+}
+
 
 /*
   parse a dom_sid2 - this is a dom_sid but with an extra copy of the num_auths field
@@ -225,3 +235,44 @@ enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const
 	return NDR_ERR_SUCCESS;
 }
 
+/*
+  parse a dom_sid0 - this is a dom_sid in a variable byte buffer, which is maybe empty
+*/
+enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid)
+{
+	if (!(ndr_flags & NDR_SCALARS)) {
+		return NDR_ERR_SUCCESS;
+	}
+
+	if (ndr->data_size == ndr->offset) {
+		ZERO_STRUCTP(sid);
+		return NDR_ERR_SUCCESS;
+	}
+
+	return ndr_pull_dom_sid(ndr, ndr_flags, sid);
+}
+
+/*
+  push a dom_sid0 - this is a dom_sid in a variable byte buffer, which is maybe empty
+*/
+enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid)
+{
+	struct dom_sid zero_sid;
+
+	if (!(ndr_flags & NDR_SCALARS)) {
+		return NDR_ERR_SUCCESS;
+	}
+
+	if (!sid) {
+		return NDR_ERR_SUCCESS;
+	}
+
+	ZERO_STRUCT(zero_sid);
+
+	if (memcmp(&zero_sid, sid, sizeof(zero_sid)) == 0) {
+		return NDR_ERR_SUCCESS;
+	}
+
+	return ndr_push_dom_sid(ndr, ndr_flags, sid);
+}
+
diff --git a/source4/librpc/rpc/binding.c b/source4/librpc/rpc/binding.c
new file mode 100644
index 0000000000..ae88dce1be
--- /dev/null
+++ b/source4/librpc/rpc/binding.c
@@ -0,0 +1,724 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   dcerpc utility functions
+
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) Jelmer Vernooij 2004
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+   Copyright (C) Rafal Szczesniak 2006
+   
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "librpc/gen_ndr/ndr_epmapper_c.h"
+#include "librpc/gen_ndr/ndr_dcerpc.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+
+#define MAX_PROTSEQ		10
+
+static const struct {
+	const char *name;
+	enum dcerpc_transport_t transport;
+	int num_protocols;
+	enum epm_protocol protseq[MAX_PROTSEQ];
+} transports[] = {
+	{ "ncacn_np",     NCACN_NP, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB, EPM_PROTOCOL_NETBIOS }},
+	{ "ncacn_ip_tcp", NCACN_IP_TCP, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP, EPM_PROTOCOL_IP } }, 
+	{ "ncacn_http", NCACN_HTTP, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP, EPM_PROTOCOL_IP } }, 
+	{ "ncadg_ip_udp", NCACN_IP_UDP, 3, 
+		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UDP, EPM_PROTOCOL_IP } },
+	{ "ncalrpc", NCALRPC, 2, 
+		{ EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE } },
+	{ "ncacn_unix_stream", NCACN_UNIX_STREAM, 2, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_UNIX_DS } },
+	{ "ncadg_unix_dgram", NCADG_UNIX_DGRAM, 2, 
+		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UNIX_DS } },
+	{ "ncacn_at_dsp", NCACN_AT_DSP, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DSP } },
+	{ "ncadg_at_ddp", NCADG_AT_DDP, 3, 
+		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DDP } },
+	{ "ncacn_vns_ssp", NCACN_VNS_SPP, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_SPP } },
+	{ "ncacn_vns_ipc", NCACN_VNS_IPC, 3, 
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_IPC }, },
+	{ "ncadg_ipx", NCADG_IPX, 2,
+		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_IPX },
+	},
+	{ "ncacn_spx", NCACN_SPX, 3,
+		/* I guess some MS programmer confused the identifier for 
+		 * EPM_PROTOCOL_UUID (0x0D or 13) with the one for 
+		 * EPM_PROTOCOL_SPX (0x13) here. -- jelmer*/
+		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_UUID },
+	},
+};
+
+static const struct {
+	const char *name;
+	uint32_t flag;
+} ncacn_options[] = {
+	{"sign", DCERPC_SIGN},
+	{"seal", DCERPC_SEAL},
+	{"connect", DCERPC_CONNECT},
+	{"spnego", DCERPC_AUTH_SPNEGO},
+	{"ntlm", DCERPC_AUTH_NTLM},
+	{"krb5", DCERPC_AUTH_KRB5},
+	{"validate", DCERPC_DEBUG_VALIDATE_BOTH},
+	{"print", DCERPC_DEBUG_PRINT_BOTH},
+	{"padcheck", DCERPC_DEBUG_PAD_CHECK},
+	{"bigendian", DCERPC_PUSH_BIGENDIAN},
+	{"smb2", DCERPC_SMB2}
+};
+
+const char *epm_floor_string(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
+{
+	struct ndr_syntax_id syntax;
+	NTSTATUS status;
+
+	switch(epm_floor->lhs.protocol) {
+		case EPM_PROTOCOL_UUID:
+			status = dcerpc_floor_get_lhs_data(epm_floor, &syntax);
+			if (NT_STATUS_IS_OK(status)) {
+				/* lhs is used: UUID */
+				char *uuidstr;
+
+				if (GUID_equal(&syntax.uuid, &ndr_transfer_syntax.uuid)) {
+					return "NDR";
+				} 
+
+				if (GUID_equal(&syntax.uuid, &ndr64_transfer_syntax.uuid)) {
+					return "NDR64";
+				} 
+
+				uuidstr = GUID_string(mem_ctx, &syntax.uuid);
+
+				return talloc_asprintf(mem_ctx, " uuid %s/0x%02x", uuidstr, syntax.if_version);
+			} else { /* IPX */
+				return talloc_asprintf(mem_ctx, "IPX:%s", 
+						data_blob_hex_string(mem_ctx, &epm_floor->rhs.uuid.unknown));
+			}
+
+		case EPM_PROTOCOL_NCACN:
+			return "RPC-C";
+
+		case EPM_PROTOCOL_NCADG:
+			return "RPC";
+
+		case EPM_PROTOCOL_NCALRPC:
+			return "NCALRPC";
+
+		case EPM_PROTOCOL_DNET_NSP:
+			return "DNET/NSP";
+
+		case EPM_PROTOCOL_IP:
+			return talloc_asprintf(mem_ctx, "IP:%s", epm_floor->rhs.ip.ipaddr);
+
+		case EPM_PROTOCOL_PIPE:
+			return talloc_asprintf(mem_ctx, "PIPE:%s", epm_floor->rhs.pipe.path);
+
+		case EPM_PROTOCOL_SMB:
+			return talloc_asprintf(mem_ctx, "SMB:%s", epm_floor->rhs.smb.unc);
+
+		case EPM_PROTOCOL_UNIX_DS:
+			return talloc_asprintf(mem_ctx, "Unix:%s", epm_floor->rhs.unix_ds.path);
+
+		case EPM_PROTOCOL_NETBIOS:
+			return talloc_asprintf(mem_ctx, "NetBIOS:%s", epm_floor->rhs.netbios.name);
+
+		case EPM_PROTOCOL_NETBEUI:
+			return "NETBeui";
+
+		case EPM_PROTOCOL_SPX:
+			return "SPX";
+
+		case EPM_PROTOCOL_NB_IPX:
+			return "NB_IPX";
+
+		case EPM_PROTOCOL_HTTP:
+			return talloc_asprintf(mem_ctx, "HTTP:%d", epm_floor->rhs.http.port);
+
+		case EPM_PROTOCOL_TCP:
+			return talloc_asprintf(mem_ctx, "TCP:%d", epm_floor->rhs.tcp.port);
+
+		case EPM_PROTOCOL_UDP:
+			return talloc_asprintf(mem_ctx, "UDP:%d", epm_floor->rhs.udp.port);
+
+		default:
+			return talloc_asprintf(mem_ctx, "UNK(%02x):", epm_floor->lhs.protocol);
+	}
+}
+
+
+/*
+  form a binding string from a binding structure
+*/
+_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b)
+{
+	char *s = talloc_strdup(mem_ctx, "");
+	int i;
+	const char *t_name = NULL;
+
+	if (b->transport != NCA_UNKNOWN) {
+		for (i=0;i<ARRAY_SIZE(transports);i++) {
+			if (transports[i].transport == b->transport) {
+				t_name = transports[i].name;
+			}
+		}
+		if (!t_name) {
+			return NULL;
+		}
+	}
+
+	if (!GUID_all_zero(&b->object.uuid)) { 
+		s = talloc_asprintf(s, "%s@",
+				    GUID_string(mem_ctx, &b->object.uuid));
+	}
+
+	if (t_name != NULL) {
+		s = talloc_asprintf_append_buffer(s, "%s:", t_name);
+		if (s == NULL) {
+			return NULL;
+		}
+	}
+
+	if (b->host) {
+		s = talloc_asprintf_append_buffer(s, "%s", b->host);
+	}
+
+	if (!b->endpoint && !b->options && !b->flags) {
+		return s;
+	}
+
+	s = talloc_asprintf_append_buffer(s, "[");
+
+	if (b->endpoint) {
+		s = talloc_asprintf_append_buffer(s, "%s", b->endpoint);
+	}
+
+	/* this is a *really* inefficent way of dealing with strings,
+	   but this is rarely called and the strings are always short,
+	   so I don't care */
+	for (i=0;b->options && b->options[i];i++) {
+		s = talloc_asprintf_append_buffer(s, ",%s", b->options[i]);
+		if (!s) return NULL;
+	}
+
+	for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
+		if (b->flags & ncacn_options[i].flag) {
+			s = talloc_asprintf_append_buffer(s, ",%s", ncacn_options[i].name);
+			if (!s) return NULL;
+		}
+	}
+
+	s = talloc_asprintf_append_buffer(s, "]");
+
+	return s;
+}
+
+/*
+  parse a binding string into a dcerpc_binding structure
+*/
+_PUBLIC_ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding **b_out)
+{
+	struct dcerpc_binding *b;
+	char *options;
+	char *p;
+	int i, j, comma_count;
+
+	b = talloc(mem_ctx, struct dcerpc_binding);
+	if (!b) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	p = strchr(s, '@');
+
+	if (p && PTR_DIFF(p, s) == 36) { /* 36 is the length of a UUID */
+		NTSTATUS status;
+
+		status = GUID_from_string(s, &b->object.uuid);
+
+		if (NT_STATUS_IS_ERR(status)) {
+			DEBUG(0, ("Failed parsing UUID\n"));
+			return status;
+		}
+
+		s = p + 1;
+	} else {
+		ZERO_STRUCT(b->object);
+	}
+
+	b->object.if_version = 0;
+
+	p = strchr(s, ':');
+
+	if (p == NULL) {
+		b->transport = NCA_UNKNOWN;
+	} else {
+		char *type = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
+		if (!type) {
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		for (i=0;i<ARRAY_SIZE(transports);i++) {
+			if (strcasecmp(type, transports[i].name) == 0) {
+				b->transport = transports[i].transport;
+				break;
+			}
+		}
+
+		if (i==ARRAY_SIZE(transports)) {
+			DEBUG(0,("Unknown dcerpc transport '%s'\n", type));
+			return NT_STATUS_INVALID_PARAMETER;
+		}
+
+		talloc_free(type);
+	
+		s = p+1;
+	}
+
+	p = strchr(s, '[');
+	if (p) {
+		b->host = talloc_strndup(b, s, PTR_DIFF(p, s));
+		options = talloc_strdup(mem_ctx, p+1);
+		if (options[strlen(options)-1] != ']') {
+			return NT_STATUS_INVALID_PARAMETER;
+		}
+		options[strlen(options)-1] = 0;
+	} else {
+		b->host = talloc_strdup(b, s);
+		options = NULL;
+	}
+	if (!b->host) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	b->target_hostname = b->host;
+
+	b->options = NULL;
+	b->flags = 0;
+	b->assoc_group_id = 0;
+	b->endpoint = NULL;
+
+	if (!options) {
+		*b_out = b;
+		return NT_STATUS_OK;
+	}
+
+	comma_count = count_chars(options, ',');
+
+	b->options = talloc_array(b, const char *, comma_count+2);
+	if (!b->options) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=0; (p = strchr(options, ',')); i++) {
+		b->options[i] = talloc_strndup(b, options, PTR_DIFF(p, options));
+		if (!b->options[i]) {
+			return NT_STATUS_NO_MEMORY;
+		}
+		options = p+1;
+	}
+	b->options[i] = options;
+	b->options[i+1] = NULL;
+
+	/* some options are pre-parsed for convenience */
+	for (i=0;b->options[i];i++) {
+		for (j=0;j<ARRAY_SIZE(ncacn_options);j++) {
+			if (strcasecmp(ncacn_options[j].name, b->options[i]) == 0) {
+				int k;
+				b->flags |= ncacn_options[j].flag;
+				for (k=i;b->options[k];k++) {
+					b->options[k] = b->options[k+1];
+				}
+				i--;
+				break;
+			}
+		}
+	}
+
+	if (b->options[0]) {
+		/* Endpoint is first option */
+		b->endpoint = b->options[0];
+		if (strlen(b->endpoint) == 0) b->endpoint = NULL;
+
+		for (i=0;b->options[i];i++) {
+			b->options[i] = b->options[i+1];
+		}
+	}
+
+	if (b->options[0] == NULL)
+		b->options = NULL;
+	
+	*b_out = b;
+	return NT_STATUS_OK;
+}
+
+_PUBLIC_ NTSTATUS dcerpc_floor_get_lhs_data(struct epm_floor *epm_floor, struct ndr_syntax_id *syntax)
+{
+	TALLOC_CTX *mem_ctx = talloc_init("floor_get_lhs_data");
+	struct ndr_pull *ndr = ndr_pull_init_blob(&epm_floor->lhs.lhs_data, mem_ctx, NULL);
+	enum ndr_err_code ndr_err;
+	uint16_t if_version=0;
+
+	ndr->flags |= LIBNDR_FLAG_NOALIGN;
+
+	ndr_err = ndr_pull_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(mem_ctx);
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	ndr_err = ndr_pull_uint16(ndr, NDR_SCALARS, &if_version);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(mem_ctx);
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	syntax->if_version = if_version;
+
+	talloc_free(mem_ctx);
+
+	return NT_STATUS_OK;
+}
+
+static DATA_BLOB dcerpc_floor_pack_lhs_data(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *syntax)
+{
+	struct ndr_push *ndr = ndr_push_init_ctx(mem_ctx, NULL);
+
+	ndr->flags |= LIBNDR_FLAG_NOALIGN;
+
+	ndr_push_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
+	ndr_push_uint16(ndr, NDR_SCALARS, syntax->if_version);
+
+	return ndr_push_blob(ndr);
+}
+
+const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
+{
+	switch (epm_floor->lhs.protocol) {
+	case EPM_PROTOCOL_TCP:
+		if (epm_floor->rhs.tcp.port == 0) return NULL;
+		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.tcp.port);
+		
+	case EPM_PROTOCOL_UDP:
+		if (epm_floor->rhs.udp.port == 0) return NULL;
+		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.udp.port);
+
+	case EPM_PROTOCOL_HTTP:
+		if (epm_floor->rhs.http.port == 0) return NULL;
+		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.http.port);
+
+	case EPM_PROTOCOL_IP:
+		return talloc_strdup(mem_ctx, epm_floor->rhs.ip.ipaddr);
+
+	case EPM_PROTOCOL_NCACN:
+		return NULL;
+
+	case EPM_PROTOCOL_NCADG:
+		return NULL;
+
+	case EPM_PROTOCOL_SMB:
+		if (strlen(epm_floor->rhs.smb.unc) == 0) return NULL;
+		return talloc_strdup(mem_ctx, epm_floor->rhs.smb.unc);
+
+	case EPM_PROTOCOL_PIPE:
+		if (strlen(epm_floor->rhs.pipe.path) == 0) return NULL;
+		return talloc_strdup(mem_ctx, epm_floor->rhs.pipe.path);
+
+	case EPM_PROTOCOL_NETBIOS:
+		if (strlen(epm_floor->rhs.netbios.name) == 0) return NULL;
+		return talloc_strdup(mem_ctx, epm_floor->rhs.netbios.name);
+
+	case EPM_PROTOCOL_NCALRPC:
+		return NULL;
+		
+	case EPM_PROTOCOL_VINES_SPP:
+		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_spp.port);
+		
+	case EPM_PROTOCOL_VINES_IPC:
+		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_ipc.port);
+		
+	case EPM_PROTOCOL_STREETTALK:
+		return talloc_strdup(mem_ctx, epm_floor->rhs.streettalk.streettalk);
+		
+	case EPM_PROTOCOL_UNIX_DS:
+		if (strlen(epm_floor->rhs.unix_ds.path) == 0) return NULL;
+		return talloc_strdup(mem_ctx, epm_floor->rhs.unix_ds.path);
+		
+	case EPM_PROTOCOL_NULL:
+		return NULL;
+
+	default:
+		DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
+		break;
+	}
+
+	return NULL;
+}
+
+static NTSTATUS dcerpc_floor_set_rhs_data(TALLOC_CTX *mem_ctx, 
+					  struct epm_floor *epm_floor,  
+					  const char *data)
+{
+	switch (epm_floor->lhs.protocol) {
+	case EPM_PROTOCOL_TCP:
+		epm_floor->rhs.tcp.port = atoi(data);
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_UDP:
+		epm_floor->rhs.udp.port = atoi(data);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_HTTP:
+		epm_floor->rhs.http.port = atoi(data);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_IP:
+		epm_floor->rhs.ip.ipaddr = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.ip.ipaddr);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_NCACN:
+		epm_floor->rhs.ncacn.minor_version = 0;
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_NCADG:
+		epm_floor->rhs.ncadg.minor_version = 0;
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_SMB:
+		epm_floor->rhs.smb.unc = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.smb.unc);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_PIPE:
+		epm_floor->rhs.pipe.path = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.pipe.path);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_NETBIOS:
+		epm_floor->rhs.netbios.name = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.netbios.name);
+		return NT_STATUS_OK;
+
+	case EPM_PROTOCOL_NCALRPC:
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_VINES_SPP:
+		epm_floor->rhs.vines_spp.port = atoi(data);
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_VINES_IPC:
+		epm_floor->rhs.vines_ipc.port = atoi(data);
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_STREETTALK:
+		epm_floor->rhs.streettalk.streettalk = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.streettalk.streettalk);
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_UNIX_DS:
+		epm_floor->rhs.unix_ds.path = talloc_strdup(mem_ctx, data);
+		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.unix_ds.path);
+		return NT_STATUS_OK;
+		
+	case EPM_PROTOCOL_NULL:
+		return NT_STATUS_OK;
+
+	default:
+		DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
+		break;
+	}
+
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot)
+{
+	int i;
+
+	/* Find a transport that has 'prot' as 4th protocol */
+	for (i=0;i<ARRAY_SIZE(transports);i++) {
+		if (transports[i].num_protocols >= 2 && 
+			transports[i].protseq[1] == prot) {
+			return transports[i].transport;
+		}
+	}
+	
+	/* Unknown transport */
+	return (unsigned int)-1;
+}
+
+_PUBLIC_ enum dcerpc_transport_t dcerpc_transport_by_tower(struct epm_tower *tower)
+{
+	int i;
+
+	/* Find a transport that matches this tower */
+	for (i=0;i<ARRAY_SIZE(transports);i++) {
+		int j;
+		if (transports[i].num_protocols != tower->num_floors - 2) {
+			continue; 
+		}
+
+		for (j = 0; j < transports[i].num_protocols; j++) {
+			if (transports[i].protseq[j] != tower->floors[j+2].lhs.protocol) {
+				break;
+			}
+		}
+
+		if (j == transports[i].num_protocols) {
+			return transports[i].transport;
+		}
+	}
+	
+	/* Unknown transport */
+	return (unsigned int)-1;
+}
+
+_PUBLIC_ NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx, 
+				   struct epm_tower *tower, 
+				   struct dcerpc_binding **b_out)
+{
+	NTSTATUS status;
+	struct dcerpc_binding *binding;
+
+	binding = talloc(mem_ctx, struct dcerpc_binding);
+	NT_STATUS_HAVE_NO_MEMORY(binding);
+
+	ZERO_STRUCT(binding->object);
+	binding->options = NULL;
+	binding->host = NULL;
+	binding->target_hostname = NULL;
+	binding->flags = 0;
+	binding->assoc_group_id = 0;
+
+	binding->transport = dcerpc_transport_by_tower(tower);
+
+	if (binding->transport == (unsigned int)-1) {
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	if (tower->num_floors < 1) {
+		return NT_STATUS_OK;
+	}
+
+	/* Set object uuid */
+	status = dcerpc_floor_get_lhs_data(&tower->floors[0], &binding->object);
+	
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(1, ("Error pulling object uuid and version: %s", nt_errstr(status)));	
+		return status;
+	}
+
+	/* Ignore floor 1, it contains the NDR version info */
+	
+	binding->options = NULL;
+
+	/* Set endpoint */
+	if (tower->num_floors >= 4) {
+		binding->endpoint = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[3]);
+	} else {
+		binding->endpoint = NULL;
+	}
+
+	/* Set network address */
+	if (tower->num_floors >= 5) {
+		binding->host = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[4]);
+		NT_STATUS_HAVE_NO_MEMORY(binding->host);
+		binding->target_hostname = binding->host;
+	}
+	*b_out = binding;
+	return NT_STATUS_OK;
+}
+
+_PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding, struct epm_tower *tower)
+{
+	const enum epm_protocol *protseq = NULL;
+	int num_protocols = -1, i;
+	NTSTATUS status;
+	
+	/* Find transport */
+	for (i=0;i<ARRAY_SIZE(transports);i++) {
+		if (transports[i].transport == binding->transport) {
+			protseq = transports[i].protseq;
+			num_protocols = transports[i].num_protocols;
+			break;
+		}
+	}
+
+	if (num_protocols == -1) {
+		DEBUG(0, ("Unable to find transport with id '%d'\n", binding->transport));
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	tower->num_floors = 2 + num_protocols;
+	tower->floors = talloc_array(mem_ctx, struct epm_floor, tower->num_floors);
+
+	/* Floor 0 */
+	tower->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
+
+	tower->floors[0].lhs.lhs_data = dcerpc_floor_pack_lhs_data(mem_ctx, &binding->object);
+
+	tower->floors[0].rhs.uuid.unknown = data_blob_talloc_zero(mem_ctx, 2);
+	
+	/* Floor 1 */
+	tower->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
+
+	tower->floors[1].lhs.lhs_data = dcerpc_floor_pack_lhs_data(mem_ctx, 
+								&ndr_transfer_syntax);
+	
+	tower->floors[1].rhs.uuid.unknown = data_blob_talloc_zero(mem_ctx, 2);
+	
+	/* Floor 2 to num_protocols */
+	for (i = 0; i < num_protocols; i++) {
+		tower->floors[2 + i].lhs.protocol = protseq[i];
+		tower->floors[2 + i].lhs.lhs_data = data_blob_talloc(mem_ctx, NULL, 0);
+		ZERO_STRUCT(tower->floors[2 + i].rhs);
+		dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[2 + i], "");
+	}
+
+	/* The 4th floor contains the endpoint */
+	if (num_protocols >= 2 && binding->endpoint) {
+		status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[3], binding->endpoint);
+		if (NT_STATUS_IS_ERR(status)) {
+			return status;
+		}
+	}
+	
+	/* The 5th contains the network address */
+	if (num_protocols >= 3 && binding->host) {
+		if (is_ipaddress(binding->host)) {
+			status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[4], 
+							   binding->host);
+		} else {
+			/* note that we don't attempt to resolve the
+			   name here - when we get a hostname here we
+			   are in the client code, and want to put in
+			   a wildcard all-zeros IP for the server to
+			   fill in */
+			status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[4], 
+							   "0.0.0.0");
+		}
+		if (NT_STATUS_IS_ERR(status)) {
+			return status;
+		}
+	}
+
+	return NT_STATUS_OK;
+}
diff --git a/source4/librpc/rpc/dcerpc.c b/source4/librpc/rpc/dcerpc.c
index 5e32f6f5bf..4758189d3b 100644
--- a/source4/librpc/rpc/dcerpc.c
+++ b/source4/librpc/rpc/dcerpc.c
@@ -67,22 +67,15 @@ static struct dcerpc_connection *dcerpc_connection_init(TALLOC_CTX *mem_ctx,
 		return NULL;
 	}
 
-	if (ev == NULL) {
-		ev = event_context_init(c);
-		if (ev == NULL) {
-			talloc_free(c);
-			return NULL;
-		}
-	}
-
 	c->iconv_convenience = talloc_reference(c, ic);
 
-	c->event_ctx = ev;
-	
-	if (!talloc_reference(c, ev)) {
+	c->event_ctx = talloc_reference(c, ev);
+
+	if (c->event_ctx == NULL) {
 		talloc_free(c);
 		return NULL;
 	}
+
 	c->call_id = 1;
 	c->security_state.auth_info = NULL;
 	c->security_state.session_key = dcerpc_generic_session_key;
diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c
index cc7f2ddbaa..a22cad9a4a 100644
--- a/source4/librpc/rpc/dcerpc_connect.c
+++ b/source4/librpc/rpc/dcerpc_connect.c
@@ -717,12 +717,6 @@ _PUBLIC_ struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent
 	struct pipe_connect_state *s;
 	struct event_context *new_ev = NULL;
 
-	if (ev == NULL) {
-		new_ev = event_context_init(parent_ctx);
-		if (new_ev == NULL) return NULL;
-		ev = new_ev;
-	}
-
 	/* composite context allocation and setup */
 	c = composite_create(parent_ctx, ev);
 	if (c == NULL) {
@@ -844,21 +838,12 @@ _PUBLIC_ struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_c
 	struct pipe_conn_state *s;
 	struct dcerpc_binding *b;
 	struct composite_context *pipe_conn_req;
-	struct event_context *new_ev = NULL;
-
-	if (ev == NULL) {
-		new_ev = event_context_init(parent_ctx);
-		if (new_ev == NULL) return NULL;
-		ev = new_ev;
-	}
 
 	/* composite context allocation and setup */
 	c = composite_create(parent_ctx, ev);
 	if (c == NULL) {
-		talloc_free(new_ev);
 		return NULL;
 	}
-	talloc_steal(c, new_ev);
 
 	s = talloc_zero(c, struct pipe_conn_state);
 	if (composite_nomem(s, c)) return c;
diff --git a/source4/librpc/rpc/dcerpc_util.c b/source4/librpc/rpc/dcerpc_util.c
index 3b8768ccc2..71c6d5f2cc 100644
--- a/source4/librpc/rpc/dcerpc_util.c
+++ b/source4/librpc/rpc/dcerpc_util.c
@@ -97,701 +97,6 @@ NTSTATUS ncacn_push_auth(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
 	return NT_STATUS_OK;
 }
 
-#define MAX_PROTSEQ		10
-
-static const struct {
-	const char *name;
-	enum dcerpc_transport_t transport;
-	int num_protocols;
-	enum epm_protocol protseq[MAX_PROTSEQ];
-} transports[] = {
-	{ "ncacn_np",     NCACN_NP, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB, EPM_PROTOCOL_NETBIOS }},
-	{ "ncacn_ip_tcp", NCACN_IP_TCP, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP, EPM_PROTOCOL_IP } }, 
-	{ "ncacn_http", NCACN_HTTP, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP, EPM_PROTOCOL_IP } }, 
-	{ "ncadg_ip_udp", NCACN_IP_UDP, 3, 
-		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UDP, EPM_PROTOCOL_IP } },
-	{ "ncalrpc", NCALRPC, 2, 
-		{ EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_PIPE } },
-	{ "ncacn_unix_stream", NCACN_UNIX_STREAM, 2, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_UNIX_DS } },
-	{ "ncadg_unix_dgram", NCADG_UNIX_DGRAM, 2, 
-		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UNIX_DS } },
-	{ "ncacn_at_dsp", NCACN_AT_DSP, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DSP } },
-	{ "ncadg_at_ddp", NCADG_AT_DDP, 3, 
-		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DDP } },
-	{ "ncacn_vns_ssp", NCACN_VNS_SPP, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_SPP } },
-	{ "ncacn_vns_ipc", NCACN_VNS_IPC, 3, 
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_IPC }, },
-	{ "ncadg_ipx", NCADG_IPX, 2,
-		{ EPM_PROTOCOL_NCADG, EPM_PROTOCOL_IPX },
-	},
-	{ "ncacn_spx", NCACN_SPX, 3,
-		/* I guess some MS programmer confused the identifier for 
-		 * EPM_PROTOCOL_UUID (0x0D or 13) with the one for 
-		 * EPM_PROTOCOL_SPX (0x13) here. -- jelmer*/
-		{ EPM_PROTOCOL_NCACN, EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_UUID },
-	},
-};
-
-static const struct {
-	const char *name;
-	uint32_t flag;
-} ncacn_options[] = {
-	{"sign", DCERPC_SIGN},
-	{"seal", DCERPC_SEAL},
-	{"connect", DCERPC_CONNECT},
-	{"spnego", DCERPC_AUTH_SPNEGO},
-	{"ntlm", DCERPC_AUTH_NTLM},
-	{"krb5", DCERPC_AUTH_KRB5},
-	{"validate", DCERPC_DEBUG_VALIDATE_BOTH},
-	{"print", DCERPC_DEBUG_PRINT_BOTH},
-	{"padcheck", DCERPC_DEBUG_PAD_CHECK},
-	{"bigendian", DCERPC_PUSH_BIGENDIAN},
-	{"smb2", DCERPC_SMB2}
-};
-
-const char *epm_floor_string(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
-{
-	struct ndr_syntax_id syntax;
-	NTSTATUS status;
-
-	switch(epm_floor->lhs.protocol) {
-		case EPM_PROTOCOL_UUID:
-			status = dcerpc_floor_get_lhs_data(epm_floor, &syntax);
-			if (NT_STATUS_IS_OK(status)) {
-				/* lhs is used: UUID */
-				char *uuidstr;
-
-				if (GUID_equal(&syntax.uuid, &ndr_transfer_syntax.uuid)) {
-					return "NDR";
-				} 
-
-				if (GUID_equal(&syntax.uuid, &ndr64_transfer_syntax.uuid)) {
-					return "NDR64";
-				} 
-
-				uuidstr = GUID_string(mem_ctx, &syntax.uuid);
-
-				return talloc_asprintf(mem_ctx, " uuid %s/0x%02x", uuidstr, syntax.if_version);
-			} else { /* IPX */
-				return talloc_asprintf(mem_ctx, "IPX:%s", 
-						data_blob_hex_string(mem_ctx, &epm_floor->rhs.uuid.unknown));
-			}
-
-		case EPM_PROTOCOL_NCACN:
-			return "RPC-C";
-
-		case EPM_PROTOCOL_NCADG:
-			return "RPC";
-
-		case EPM_PROTOCOL_NCALRPC:
-			return "NCALRPC";
-
-		case EPM_PROTOCOL_DNET_NSP:
-			return "DNET/NSP";
-
-		case EPM_PROTOCOL_IP:
-			return talloc_asprintf(mem_ctx, "IP:%s", epm_floor->rhs.ip.ipaddr);
-
-		case EPM_PROTOCOL_PIPE:
-			return talloc_asprintf(mem_ctx, "PIPE:%s", epm_floor->rhs.pipe.path);
-
-		case EPM_PROTOCOL_SMB:
-			return talloc_asprintf(mem_ctx, "SMB:%s", epm_floor->rhs.smb.unc);
-
-		case EPM_PROTOCOL_UNIX_DS:
-			return talloc_asprintf(mem_ctx, "Unix:%s", epm_floor->rhs.unix_ds.path);
-
-		case EPM_PROTOCOL_NETBIOS:
-			return talloc_asprintf(mem_ctx, "NetBIOS:%s", epm_floor->rhs.netbios.name);
-
-		case EPM_PROTOCOL_NETBEUI:
-			return "NETBeui";
-
-		case EPM_PROTOCOL_SPX:
-			return "SPX";
-
-		case EPM_PROTOCOL_NB_IPX:
-			return "NB_IPX";
-
-		case EPM_PROTOCOL_HTTP:
-			return talloc_asprintf(mem_ctx, "HTTP:%d", epm_floor->rhs.http.port);
-
-		case EPM_PROTOCOL_TCP:
-			return talloc_asprintf(mem_ctx, "TCP:%d", epm_floor->rhs.tcp.port);
-
-		case EPM_PROTOCOL_UDP:
-			return talloc_asprintf(mem_ctx, "UDP:%d", epm_floor->rhs.udp.port);
-
-		default:
-			return talloc_asprintf(mem_ctx, "UNK(%02x):", epm_floor->lhs.protocol);
-	}
-}
-
-
-/*
-  form a binding string from a binding structure
-*/
-_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b)
-{
-	char *s = talloc_strdup(mem_ctx, "");
-	int i;
-	const char *t_name = NULL;
-
-	if (b->transport != NCA_UNKNOWN) {
-		for (i=0;i<ARRAY_SIZE(transports);i++) {
-			if (transports[i].transport == b->transport) {
-				t_name = transports[i].name;
-			}
-		}
-		if (!t_name) {
-			return NULL;
-		}
-	}
-
-	if (!GUID_all_zero(&b->object.uuid)) { 
-		s = talloc_asprintf(s, "%s@",
-				    GUID_string(mem_ctx, &b->object.uuid));
-	}
-
-	if (t_name != NULL) {
-		s = talloc_asprintf_append_buffer(s, "%s:", t_name);
-		if (s == NULL) {
-			return NULL;
-		}
-	}
-
-	if (b->host) {
-		s = talloc_asprintf_append_buffer(s, "%s", b->host);
-	}
-
-	if (!b->endpoint && !b->options && !b->flags) {
-		return s;
-	}
-
-	s = talloc_asprintf_append_buffer(s, "[");
-
-	if (b->endpoint) {
-		s = talloc_asprintf_append_buffer(s, "%s", b->endpoint);
-	}
-
-	/* this is a *really* inefficent way of dealing with strings,
-	   but this is rarely called and the strings are always short,
-	   so I don't care */
-	for (i=0;b->options && b->options[i];i++) {
-		s = talloc_asprintf_append_buffer(s, ",%s", b->options[i]);
-		if (!s) return NULL;
-	}
-
-	for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
-		if (b->flags & ncacn_options[i].flag) {
-			s = talloc_asprintf_append_buffer(s, ",%s", ncacn_options[i].name);
-			if (!s) return NULL;
-		}
-	}
-
-	s = talloc_asprintf_append_buffer(s, "]");
-
-	return s;
-}
-
-/*
-  parse a binding string into a dcerpc_binding structure
-*/
-_PUBLIC_ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding **b_out)
-{
-	struct dcerpc_binding *b;
-	char *options;
-	char *p;
-	int i, j, comma_count;
-
-	b = talloc(mem_ctx, struct dcerpc_binding);
-	if (!b) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	p = strchr(s, '@');
-
-	if (p && PTR_DIFF(p, s) == 36) { /* 36 is the length of a UUID */
-		NTSTATUS status;
-
-		status = GUID_from_string(s, &b->object.uuid);
-
-		if (NT_STATUS_IS_ERR(status)) {
-			DEBUG(0, ("Failed parsing UUID\n"));
-			return status;
-		}
-
-		s = p + 1;
-	} else {
-		ZERO_STRUCT(b->object);
-	}
-
-	b->object.if_version = 0;
-
-	p = strchr(s, ':');
-
-	if (p == NULL) {
-		b->transport = NCA_UNKNOWN;
-	} else {
-		char *type = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
-		if (!type) {
-			return NT_STATUS_NO_MEMORY;
-		}
-
-		for (i=0;i<ARRAY_SIZE(transports);i++) {
-			if (strcasecmp(type, transports[i].name) == 0) {
-				b->transport = transports[i].transport;
-				break;
-			}
-		}
-
-		if (i==ARRAY_SIZE(transports)) {
-			DEBUG(0,("Unknown dcerpc transport '%s'\n", type));
-			return NT_STATUS_INVALID_PARAMETER;
-		}
-
-		talloc_free(type);
-	
-		s = p+1;
-	}
-
-	p = strchr(s, '[');
-	if (p) {
-		b->host = talloc_strndup(b, s, PTR_DIFF(p, s));
-		options = talloc_strdup(mem_ctx, p+1);
-		if (options[strlen(options)-1] != ']') {
-			return NT_STATUS_INVALID_PARAMETER;
-		}
-		options[strlen(options)-1] = 0;
-	} else {
-		b->host = talloc_strdup(b, s);
-		options = NULL;
-	}
-	if (!b->host) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	b->target_hostname = b->host;
-
-	b->options = NULL;
-	b->flags = 0;
-	b->assoc_group_id = 0;
-	b->endpoint = NULL;
-
-	if (!options) {
-		*b_out = b;
-		return NT_STATUS_OK;
-	}
-
-	comma_count = count_chars(options, ',');
-
-	b->options = talloc_array(b, const char *, comma_count+2);
-	if (!b->options) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	for (i=0; (p = strchr(options, ',')); i++) {
-		b->options[i] = talloc_strndup(b, options, PTR_DIFF(p, options));
-		if (!b->options[i]) {
-			return NT_STATUS_NO_MEMORY;
-		}
-		options = p+1;
-	}
-	b->options[i] = options;
-	b->options[i+1] = NULL;
-
-	/* some options are pre-parsed for convenience */
-	for (i=0;b->options[i];i++) {
-		for (j=0;j<ARRAY_SIZE(ncacn_options);j++) {
-			if (strcasecmp(ncacn_options[j].name, b->options[i]) == 0) {
-				int k;
-				b->flags |= ncacn_options[j].flag;
-				for (k=i;b->options[k];k++) {
-					b->options[k] = b->options[k+1];
-				}
-				i--;
-				break;
-			}
-		}
-	}
-
-	if (b->options[0]) {
-		/* Endpoint is first option */
-		b->endpoint = b->options[0];
-		if (strlen(b->endpoint) == 0) b->endpoint = NULL;
-
-		for (i=0;b->options[i];i++) {
-			b->options[i] = b->options[i+1];
-		}
-	}
-
-	if (b->options[0] == NULL)
-		b->options = NULL;
-	
-	*b_out = b;
-	return NT_STATUS_OK;
-}
-
-_PUBLIC_ NTSTATUS dcerpc_floor_get_lhs_data(struct epm_floor *epm_floor, struct ndr_syntax_id *syntax)
-{
-	TALLOC_CTX *mem_ctx = talloc_init("floor_get_lhs_data");
-	struct ndr_pull *ndr = ndr_pull_init_blob(&epm_floor->lhs.lhs_data, mem_ctx, NULL);
-	enum ndr_err_code ndr_err;
-	uint16_t if_version=0;
-
-	ndr->flags |= LIBNDR_FLAG_NOALIGN;
-
-	ndr_err = ndr_pull_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
-	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
-		talloc_free(mem_ctx);
-		return ndr_map_error2ntstatus(ndr_err);
-	}
-
-	ndr_err = ndr_pull_uint16(ndr, NDR_SCALARS, &if_version);
-	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
-		talloc_free(mem_ctx);
-		return ndr_map_error2ntstatus(ndr_err);
-	}
-
-	syntax->if_version = if_version;
-
-	talloc_free(mem_ctx);
-
-	return NT_STATUS_OK;
-}
-
-static DATA_BLOB dcerpc_floor_pack_lhs_data(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *syntax)
-{
-	struct ndr_push *ndr = ndr_push_init_ctx(mem_ctx, NULL);
-
-	ndr->flags |= LIBNDR_FLAG_NOALIGN;
-
-	ndr_push_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
-	ndr_push_uint16(ndr, NDR_SCALARS, syntax->if_version);
-
-	return ndr_push_blob(ndr);
-}
-
-const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
-{
-	switch (epm_floor->lhs.protocol) {
-	case EPM_PROTOCOL_TCP:
-		if (epm_floor->rhs.tcp.port == 0) return NULL;
-		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.tcp.port);
-		
-	case EPM_PROTOCOL_UDP:
-		if (epm_floor->rhs.udp.port == 0) return NULL;
-		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.udp.port);
-
-	case EPM_PROTOCOL_HTTP:
-		if (epm_floor->rhs.http.port == 0) return NULL;
-		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.http.port);
-
-	case EPM_PROTOCOL_IP:
-		return talloc_strdup(mem_ctx, epm_floor->rhs.ip.ipaddr);
-
-	case EPM_PROTOCOL_NCACN:
-		return NULL;
-
-	case EPM_PROTOCOL_NCADG:
-		return NULL;
-
-	case EPM_PROTOCOL_SMB:
-		if (strlen(epm_floor->rhs.smb.unc) == 0) return NULL;
-		return talloc_strdup(mem_ctx, epm_floor->rhs.smb.unc);
-
-	case EPM_PROTOCOL_PIPE:
-		if (strlen(epm_floor->rhs.pipe.path) == 0) return NULL;
-		return talloc_strdup(mem_ctx, epm_floor->rhs.pipe.path);
-
-	case EPM_PROTOCOL_NETBIOS:
-		if (strlen(epm_floor->rhs.netbios.name) == 0) return NULL;
-		return talloc_strdup(mem_ctx, epm_floor->rhs.netbios.name);
-
-	case EPM_PROTOCOL_NCALRPC:
-		return NULL;
-		
-	case EPM_PROTOCOL_VINES_SPP:
-		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_spp.port);
-		
-	case EPM_PROTOCOL_VINES_IPC:
-		return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_ipc.port);
-		
-	case EPM_PROTOCOL_STREETTALK:
-		return talloc_strdup(mem_ctx, epm_floor->rhs.streettalk.streettalk);
-		
-	case EPM_PROTOCOL_UNIX_DS:
-		if (strlen(epm_floor->rhs.unix_ds.path) == 0) return NULL;
-		return talloc_strdup(mem_ctx, epm_floor->rhs.unix_ds.path);
-		
-	case EPM_PROTOCOL_NULL:
-		return NULL;
-
-	default:
-		DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
-		break;
-	}
-
-	return NULL;
-}
-
-static NTSTATUS dcerpc_floor_set_rhs_data(TALLOC_CTX *mem_ctx, 
-					  struct epm_floor *epm_floor,  
-					  const char *data)
-{
-	switch (epm_floor->lhs.protocol) {
-	case EPM_PROTOCOL_TCP:
-		epm_floor->rhs.tcp.port = atoi(data);
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_UDP:
-		epm_floor->rhs.udp.port = atoi(data);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_HTTP:
-		epm_floor->rhs.http.port = atoi(data);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_IP:
-		epm_floor->rhs.ip.ipaddr = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.ip.ipaddr);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_NCACN:
-		epm_floor->rhs.ncacn.minor_version = 0;
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_NCADG:
-		epm_floor->rhs.ncadg.minor_version = 0;
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_SMB:
-		epm_floor->rhs.smb.unc = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.smb.unc);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_PIPE:
-		epm_floor->rhs.pipe.path = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.pipe.path);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_NETBIOS:
-		epm_floor->rhs.netbios.name = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.netbios.name);
-		return NT_STATUS_OK;
-
-	case EPM_PROTOCOL_NCALRPC:
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_VINES_SPP:
-		epm_floor->rhs.vines_spp.port = atoi(data);
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_VINES_IPC:
-		epm_floor->rhs.vines_ipc.port = atoi(data);
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_STREETTALK:
-		epm_floor->rhs.streettalk.streettalk = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.streettalk.streettalk);
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_UNIX_DS:
-		epm_floor->rhs.unix_ds.path = talloc_strdup(mem_ctx, data);
-		NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.unix_ds.path);
-		return NT_STATUS_OK;
-		
-	case EPM_PROTOCOL_NULL:
-		return NT_STATUS_OK;
-
-	default:
-		DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
-		break;
-	}
-
-	return NT_STATUS_NOT_SUPPORTED;
-}
-
-enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot)
-{
-	int i;
-
-	/* Find a transport that has 'prot' as 4th protocol */
-	for (i=0;i<ARRAY_SIZE(transports);i++) {
-		if (transports[i].num_protocols >= 2 && 
-			transports[i].protseq[1] == prot) {
-			return transports[i].transport;
-		}
-	}
-	
-	/* Unknown transport */
-	return (unsigned int)-1;
-}
-
-_PUBLIC_ enum dcerpc_transport_t dcerpc_transport_by_tower(struct epm_tower *tower)
-{
-	int i;
-
-	/* Find a transport that matches this tower */
-	for (i=0;i<ARRAY_SIZE(transports);i++) {
-		int j;
-		if (transports[i].num_protocols != tower->num_floors - 2) {
-			continue; 
-		}
-
-		for (j = 0; j < transports[i].num_protocols; j++) {
-			if (transports[i].protseq[j] != tower->floors[j+2].lhs.protocol) {
-				break;
-			}
-		}
-
-		if (j == transports[i].num_protocols) {
-			return transports[i].transport;
-		}
-	}
-	
-	/* Unknown transport */
-	return (unsigned int)-1;
-}
-
-_PUBLIC_ NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx, 
-				   struct epm_tower *tower, 
-				   struct dcerpc_binding **b_out)
-{
-	NTSTATUS status;
-	struct dcerpc_binding *binding;
-
-	binding = talloc(mem_ctx, struct dcerpc_binding);
-	NT_STATUS_HAVE_NO_MEMORY(binding);
-
-	ZERO_STRUCT(binding->object);
-	binding->options = NULL;
-	binding->host = NULL;
-	binding->target_hostname = NULL;
-	binding->flags = 0;
-	binding->assoc_group_id = 0;
-
-	binding->transport = dcerpc_transport_by_tower(tower);
-
-	if (binding->transport == (unsigned int)-1) {
-		return NT_STATUS_NOT_SUPPORTED;
-	}
-
-	if (tower->num_floors < 1) {
-		return NT_STATUS_OK;
-	}
-
-	/* Set object uuid */
-	status = dcerpc_floor_get_lhs_data(&tower->floors[0], &binding->object);
-	
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(1, ("Error pulling object uuid and version: %s", nt_errstr(status)));	
-		return status;
-	}
-
-	/* Ignore floor 1, it contains the NDR version info */
-	
-	binding->options = NULL;
-
-	/* Set endpoint */
-	if (tower->num_floors >= 4) {
-		binding->endpoint = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[3]);
-	} else {
-		binding->endpoint = NULL;
-	}
-
-	/* Set network address */
-	if (tower->num_floors >= 5) {
-		binding->host = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[4]);
-		NT_STATUS_HAVE_NO_MEMORY(binding->host);
-		binding->target_hostname = binding->host;
-	}
-	*b_out = binding;
-	return NT_STATUS_OK;
-}
-
-_PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding, struct epm_tower *tower)
-{
-	const enum epm_protocol *protseq = NULL;
-	int num_protocols = -1, i;
-	NTSTATUS status;
-	
-	/* Find transport */
-	for (i=0;i<ARRAY_SIZE(transports);i++) {
-		if (transports[i].transport == binding->transport) {
-			protseq = transports[i].protseq;
-			num_protocols = transports[i].num_protocols;
-			break;
-		}
-	}
-
-	if (num_protocols == -1) {
-		DEBUG(0, ("Unable to find transport with id '%d'\n", binding->transport));
-		return NT_STATUS_UNSUCCESSFUL;
-	}
-
-	tower->num_floors = 2 + num_protocols;
-	tower->floors = talloc_array(mem_ctx, struct epm_floor, tower->num_floors);
-
-	/* Floor 0 */
-	tower->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
-
-	tower->floors[0].lhs.lhs_data = dcerpc_floor_pack_lhs_data(mem_ctx, &binding->object);
-
-	tower->floors[0].rhs.uuid.unknown = data_blob_talloc_zero(mem_ctx, 2);
-	
-	/* Floor 1 */
-	tower->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
-
-	tower->floors[1].lhs.lhs_data = dcerpc_floor_pack_lhs_data(mem_ctx, 
-								&ndr_transfer_syntax);
-	
-	tower->floors[1].rhs.uuid.unknown = data_blob_talloc_zero(mem_ctx, 2);
-	
-	/* Floor 2 to num_protocols */
-	for (i = 0; i < num_protocols; i++) {
-		tower->floors[2 + i].lhs.protocol = protseq[i];
-		tower->floors[2 + i].lhs.lhs_data = data_blob_talloc(mem_ctx, NULL, 0);
-		ZERO_STRUCT(tower->floors[2 + i].rhs);
-		dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[2 + i], "");
-	}
-
-	/* The 4th floor contains the endpoint */
-	if (num_protocols >= 2 && binding->endpoint) {
-		status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[3], binding->endpoint);
-		if (NT_STATUS_IS_ERR(status)) {
-			return status;
-		}
-	}
-	
-	/* The 5th contains the network address */
-	if (num_protocols >= 3 && binding->host) {
-		if (is_ipaddress(binding->host)) {
-			status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[4], 
-							   binding->host);
-		} else {
-			/* note that we don't attempt to resolve the
-			   name here - when we get a hostname here we
-			   are in the client code, and want to put in
-			   a wildcard all-zeros IP for the server to
-			   fill in */
-			status = dcerpc_floor_set_rhs_data(mem_ctx, &tower->floors[4], 
-							   "0.0.0.0");
-		}
-		if (NT_STATUS_IS_ERR(status)) {
-			return status;
-		}
-	}
-
-	return NT_STATUS_OK;
-}
-
 
 struct epm_map_binding_state {
 	struct dcerpc_binding *binding;
@@ -904,32 +209,20 @@ struct composite_context *dcerpc_epm_map_binding_send(TALLOC_CTX *mem_ctx,
 	struct epm_map_binding_state *s;
 	struct composite_context *pipe_connect_req;
 	struct cli_credentials *anon_creds;
-	struct event_context *new_ev = NULL;
 
 	NTSTATUS status;
 	struct dcerpc_binding *epmapper_binding;
 	int i;
 
-	/* Try to find event context in memory context in case passed
-	 * event_context (argument) was NULL. If there's none, just
-	 * create a new one.
-	 */
 	if (ev == NULL) {
-		ev = event_context_find(mem_ctx);
-		if (ev == NULL) {
-			new_ev = event_context_init(mem_ctx);
-			if (new_ev == NULL) return NULL;
-			ev = new_ev;
-		}
+		return NULL;
 	}
 
 	/* composite context allocation and setup */
 	c = composite_create(mem_ctx, ev);
 	if (c == NULL) {
-		talloc_free(new_ev);
 		return NULL;
 	}
-	talloc_steal(c, new_ev);
 
 	s = talloc_zero(c, struct epm_map_binding_state);
 	if (composite_nomem(s, c)) return c;
@@ -940,7 +233,6 @@ struct composite_context *dcerpc_epm_map_binding_send(TALLOC_CTX *mem_ctx,
 
 	/* anonymous credentials for rpc connection used to get endpoint mapping */
 	anon_creds = cli_credentials_init(mem_ctx);
-	cli_credentials_set_event_context(anon_creds, ev);
 	cli_credentials_set_anonymous(anon_creds);
 
 	/*