1 files changed, 1 insertions, 709 deletions

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);
 
 	/*