libwbclient: Fix wbcListGroups against too small num_entries
[Samba/ekacnet.git] / librpc / rpc / binding.c
blobe3edc67882dab995d353f22f5a54e1826cbdcd69
1 /*
2 Unix SMB/CIFS implementation.
4 dcerpc utility functions
6 Copyright (C) Andrew Tridgell 2003
7 Copyright (C) Jelmer Vernooij 2004
8 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
9 Copyright (C) Rafal Szczesniak 2006
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "includes.h"
26 #include "../../lib/util/util_net.h"
27 #include "librpc/gen_ndr/ndr_epmapper.h"
28 #include "librpc/gen_ndr/ndr_misc.h"
29 #include "librpc/rpc/dcerpc.h"
30 #undef strcasecmp
32 #define MAX_PROTSEQ 10
34 static const struct {
35 const char *name;
36 enum dcerpc_transport_t transport;
37 int num_protocols;
38 enum epm_protocol protseq[MAX_PROTSEQ];
39 } transports[] = {
40 { "ncacn_np", NCACN_NP, 3,
41 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB, EPM_PROTOCOL_NETBIOS }},
42 { "ncacn_ip_tcp", NCACN_IP_TCP, 3,
43 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_TCP, EPM_PROTOCOL_IP } },
44 { "ncacn_http", NCACN_HTTP, 3,
45 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_HTTP, EPM_PROTOCOL_IP } },
46 { "ncadg_ip_udp", NCACN_IP_UDP, 3,
47 { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UDP, EPM_PROTOCOL_IP } },
48 { "ncalrpc", NCALRPC, 2,
49 { EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_NAMED_PIPE } },
50 { "ncacn_unix_stream", NCACN_UNIX_STREAM, 2,
51 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_UNIX_DS } },
52 { "ncadg_unix_dgram", NCADG_UNIX_DGRAM, 2,
53 { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_UNIX_DS } },
54 { "ncacn_at_dsp", NCACN_AT_DSP, 3,
55 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DSP } },
56 { "ncadg_at_ddp", NCADG_AT_DDP, 3,
57 { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_APPLETALK, EPM_PROTOCOL_DDP } },
58 { "ncacn_vns_ssp", NCACN_VNS_SPP, 3,
59 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_SPP } },
60 { "ncacn_vns_ipc", NCACN_VNS_IPC, 3,
61 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_STREETTALK, EPM_PROTOCOL_VINES_IPC }, },
62 { "ncadg_ipx", NCADG_IPX, 2,
63 { EPM_PROTOCOL_NCADG, EPM_PROTOCOL_IPX },
65 { "ncacn_spx", NCACN_SPX, 3,
66 /* I guess some MS programmer confused the identifier for
67 * EPM_PROTOCOL_UUID (0x0D or 13) with the one for
68 * EPM_PROTOCOL_SPX (0x13) here. -- jelmer*/
69 { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_NCALRPC, EPM_PROTOCOL_UUID },
73 static const struct {
74 const char *name;
75 uint32_t flag;
76 } ncacn_options[] = {
77 {"sign", DCERPC_SIGN},
78 {"seal", DCERPC_SEAL},
79 {"connect", DCERPC_CONNECT},
80 {"spnego", DCERPC_AUTH_SPNEGO},
81 {"ntlm", DCERPC_AUTH_NTLM},
82 {"krb5", DCERPC_AUTH_KRB5},
83 {"validate", DCERPC_DEBUG_VALIDATE_BOTH},
84 {"print", DCERPC_DEBUG_PRINT_BOTH},
85 {"padcheck", DCERPC_DEBUG_PAD_CHECK},
86 {"bigendian", DCERPC_PUSH_BIGENDIAN},
87 {"smb2", DCERPC_SMB2},
88 {"hdrsign", DCERPC_HEADER_SIGNING},
89 {"ndr64", DCERPC_NDR64}
92 const char *epm_floor_string(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
94 struct ndr_syntax_id syntax;
95 NTSTATUS status;
97 switch(epm_floor->lhs.protocol) {
98 case EPM_PROTOCOL_UUID:
99 status = dcerpc_floor_get_lhs_data(epm_floor, &syntax);
100 if (NT_STATUS_IS_OK(status)) {
101 /* lhs is used: UUID */
102 char *uuidstr;
104 if (GUID_equal(&syntax.uuid, &ndr_transfer_syntax.uuid)) {
105 return "NDR";
108 if (GUID_equal(&syntax.uuid, &ndr64_transfer_syntax.uuid)) {
109 return "NDR64";
112 uuidstr = GUID_string(mem_ctx, &syntax.uuid);
114 return talloc_asprintf(mem_ctx, " uuid %s/0x%02x", uuidstr, syntax.if_version);
115 } else { /* IPX */
116 return talloc_asprintf(mem_ctx, "IPX:%s",
117 data_blob_hex_string_upper(mem_ctx, &epm_floor->rhs.uuid.unknown));
120 case EPM_PROTOCOL_NCACN:
121 return "RPC-C";
123 case EPM_PROTOCOL_NCADG:
124 return "RPC";
126 case EPM_PROTOCOL_NCALRPC:
127 return "NCALRPC";
129 case EPM_PROTOCOL_DNET_NSP:
130 return "DNET/NSP";
132 case EPM_PROTOCOL_IP:
133 return talloc_asprintf(mem_ctx, "IP:%s", epm_floor->rhs.ip.ipaddr);
135 case EPM_PROTOCOL_NAMED_PIPE:
136 return talloc_asprintf(mem_ctx, "NAMED-PIPE:%s", epm_floor->rhs.named_pipe.path);
138 case EPM_PROTOCOL_SMB:
139 return talloc_asprintf(mem_ctx, "SMB:%s", epm_floor->rhs.smb.unc);
141 case EPM_PROTOCOL_UNIX_DS:
142 return talloc_asprintf(mem_ctx, "Unix:%s", epm_floor->rhs.unix_ds.path);
144 case EPM_PROTOCOL_NETBIOS:
145 return talloc_asprintf(mem_ctx, "NetBIOS:%s", epm_floor->rhs.netbios.name);
147 case EPM_PROTOCOL_NETBEUI:
148 return "NETBeui";
150 case EPM_PROTOCOL_SPX:
151 return "SPX";
153 case EPM_PROTOCOL_NB_IPX:
154 return "NB_IPX";
156 case EPM_PROTOCOL_HTTP:
157 return talloc_asprintf(mem_ctx, "HTTP:%d", epm_floor->rhs.http.port);
159 case EPM_PROTOCOL_TCP:
160 return talloc_asprintf(mem_ctx, "TCP:%d", epm_floor->rhs.tcp.port);
162 case EPM_PROTOCOL_UDP:
163 return talloc_asprintf(mem_ctx, "UDP:%d", epm_floor->rhs.udp.port);
165 default:
166 return talloc_asprintf(mem_ctx, "UNK(%02x):", epm_floor->lhs.protocol);
172 form a binding string from a binding structure
174 _PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b)
176 char *s = talloc_strdup(mem_ctx, "");
177 int i;
178 const char *t_name = NULL;
180 if (b->transport != NCA_UNKNOWN) {
181 t_name = derpc_transport_string_by_transport(b->transport);
182 if (!t_name) {
183 return NULL;
187 if (!GUID_all_zero(&b->object.uuid)) {
188 s = talloc_asprintf(s, "%s@",
189 GUID_string(mem_ctx, &b->object.uuid));
192 if (t_name != NULL) {
193 s = talloc_asprintf_append_buffer(s, "%s:", t_name);
194 if (s == NULL) {
195 return NULL;
199 if (b->host) {
200 s = talloc_asprintf_append_buffer(s, "%s", b->host);
203 if (!b->endpoint && !b->options && !b->flags) {
204 return s;
207 s = talloc_asprintf_append_buffer(s, "[");
209 if (b->endpoint) {
210 s = talloc_asprintf_append_buffer(s, "%s", b->endpoint);
213 /* this is a *really* inefficent way of dealing with strings,
214 but this is rarely called and the strings are always short,
215 so I don't care */
216 for (i=0;b->options && b->options[i];i++) {
217 s = talloc_asprintf_append_buffer(s, ",%s", b->options[i]);
218 if (!s) return NULL;
221 for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
222 if (b->flags & ncacn_options[i].flag) {
223 s = talloc_asprintf_append_buffer(s, ",%s", ncacn_options[i].name);
224 if (!s) return NULL;
228 s = talloc_asprintf_append_buffer(s, "]");
230 return s;
234 parse a binding string into a dcerpc_binding structure
236 _PUBLIC_ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding **b_out)
238 struct dcerpc_binding *b;
239 char *options;
240 char *p;
241 int i, j, comma_count;
243 b = talloc(mem_ctx, struct dcerpc_binding);
244 if (!b) {
245 return NT_STATUS_NO_MEMORY;
248 p = strchr(s, '@');
250 if (p && PTR_DIFF(p, s) == 36) { /* 36 is the length of a UUID */
251 NTSTATUS status;
252 DATA_BLOB blob = data_blob(s, 36);
253 status = GUID_from_data_blob(&blob, &b->object.uuid);
255 if (NT_STATUS_IS_ERR(status)) {
256 DEBUG(0, ("Failed parsing UUID\n"));
257 return status;
260 s = p + 1;
261 } else {
262 ZERO_STRUCT(b->object);
265 b->object.if_version = 0;
267 p = strchr(s, ':');
269 if (p == NULL) {
270 b->transport = NCA_UNKNOWN;
271 } else {
272 char *type = talloc_strndup(mem_ctx, s, PTR_DIFF(p, s));
273 if (!type) {
274 return NT_STATUS_NO_MEMORY;
277 for (i=0;i<ARRAY_SIZE(transports);i++) {
278 if (strcasecmp(type, transports[i].name) == 0) {
279 b->transport = transports[i].transport;
280 break;
284 if (i==ARRAY_SIZE(transports)) {
285 DEBUG(0,("Unknown dcerpc transport '%s'\n", type));
286 return NT_STATUS_INVALID_PARAMETER;
289 talloc_free(type);
291 s = p+1;
294 p = strchr(s, '[');
295 if (p) {
296 b->host = talloc_strndup(b, s, PTR_DIFF(p, s));
297 options = talloc_strdup(mem_ctx, p+1);
298 if (options[strlen(options)-1] != ']') {
299 return NT_STATUS_INVALID_PARAMETER;
301 options[strlen(options)-1] = 0;
302 } else {
303 b->host = talloc_strdup(b, s);
304 options = NULL;
306 if (!b->host) {
307 return NT_STATUS_NO_MEMORY;
310 b->target_hostname = b->host;
312 b->options = NULL;
313 b->flags = 0;
314 b->assoc_group_id = 0;
315 b->endpoint = NULL;
317 if (!options) {
318 *b_out = b;
319 return NT_STATUS_OK;
322 comma_count = count_chars(options, ',');
324 b->options = talloc_array(b, const char *, comma_count+2);
325 if (!b->options) {
326 return NT_STATUS_NO_MEMORY;
329 for (i=0; (p = strchr(options, ',')); i++) {
330 b->options[i] = talloc_strndup(b, options, PTR_DIFF(p, options));
331 if (!b->options[i]) {
332 return NT_STATUS_NO_MEMORY;
334 options = p+1;
336 b->options[i] = options;
337 b->options[i+1] = NULL;
339 /* some options are pre-parsed for convenience */
340 for (i=0;b->options[i];i++) {
341 for (j=0;j<ARRAY_SIZE(ncacn_options);j++) {
342 if (strcasecmp(ncacn_options[j].name, b->options[i]) == 0) {
343 int k;
344 b->flags |= ncacn_options[j].flag;
345 for (k=i;b->options[k];k++) {
346 b->options[k] = b->options[k+1];
348 i--;
349 break;
354 if (b->options[0]) {
355 /* Endpoint is first option */
356 b->endpoint = b->options[0];
357 if (strlen(b->endpoint) == 0) b->endpoint = NULL;
359 for (i=0;b->options[i];i++) {
360 b->options[i] = b->options[i+1];
364 if (b->options[0] == NULL)
365 b->options = NULL;
367 *b_out = b;
368 return NT_STATUS_OK;
371 _PUBLIC_ NTSTATUS dcerpc_floor_get_lhs_data(const struct epm_floor *epm_floor,
372 struct ndr_syntax_id *syntax)
374 TALLOC_CTX *mem_ctx = talloc_init("floor_get_lhs_data");
375 struct ndr_pull *ndr;
376 enum ndr_err_code ndr_err;
377 uint16_t if_version=0;
379 ndr = ndr_pull_init_blob(&epm_floor->lhs.lhs_data, mem_ctx, NULL);
380 if (ndr == NULL) {
381 talloc_free(mem_ctx);
382 return NT_STATUS_NO_MEMORY;
384 ndr->flags |= LIBNDR_FLAG_NOALIGN;
386 ndr_err = ndr_pull_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
387 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
388 talloc_free(mem_ctx);
389 return ndr_map_error2ntstatus(ndr_err);
392 ndr_err = ndr_pull_uint16(ndr, NDR_SCALARS, &if_version);
393 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
394 talloc_free(mem_ctx);
395 return ndr_map_error2ntstatus(ndr_err);
398 syntax->if_version = if_version;
400 talloc_free(mem_ctx);
402 return NT_STATUS_OK;
405 static DATA_BLOB dcerpc_floor_pack_lhs_data(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *syntax)
407 DATA_BLOB blob;
408 struct ndr_push *ndr = ndr_push_init_ctx(mem_ctx, NULL);
410 ndr->flags |= LIBNDR_FLAG_NOALIGN;
412 ndr_push_GUID(ndr, NDR_SCALARS | NDR_BUFFERS, &syntax->uuid);
413 ndr_push_uint16(ndr, NDR_SCALARS, syntax->if_version);
415 blob = ndr_push_blob(ndr);
416 talloc_steal(mem_ctx, blob.data);
417 talloc_free(ndr);
418 return blob;
421 static DATA_BLOB dcerpc_floor_pack_rhs_if_version_data(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *syntax)
423 DATA_BLOB blob;
424 struct ndr_push *ndr = ndr_push_init_ctx(mem_ctx, NULL);
426 ndr->flags |= LIBNDR_FLAG_NOALIGN;
428 ndr_push_uint16(ndr, NDR_SCALARS, syntax->if_version >> 16);
430 blob = ndr_push_blob(ndr);
431 talloc_steal(mem_ctx, blob.data);
432 talloc_free(ndr);
433 return blob;
436 const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
438 switch (epm_floor->lhs.protocol) {
439 case EPM_PROTOCOL_TCP:
440 if (epm_floor->rhs.tcp.port == 0) return NULL;
441 return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.tcp.port);
443 case EPM_PROTOCOL_UDP:
444 if (epm_floor->rhs.udp.port == 0) return NULL;
445 return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.udp.port);
447 case EPM_PROTOCOL_HTTP:
448 if (epm_floor->rhs.http.port == 0) return NULL;
449 return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.http.port);
451 case EPM_PROTOCOL_IP:
452 return talloc_strdup(mem_ctx, epm_floor->rhs.ip.ipaddr);
454 case EPM_PROTOCOL_NCACN:
455 return NULL;
457 case EPM_PROTOCOL_NCADG:
458 return NULL;
460 case EPM_PROTOCOL_SMB:
461 if (strlen(epm_floor->rhs.smb.unc) == 0) return NULL;
462 return talloc_strdup(mem_ctx, epm_floor->rhs.smb.unc);
464 case EPM_PROTOCOL_NAMED_PIPE:
465 if (strlen(epm_floor->rhs.named_pipe.path) == 0) return NULL;
466 return talloc_strdup(mem_ctx, epm_floor->rhs.named_pipe.path);
468 case EPM_PROTOCOL_NETBIOS:
469 if (strlen(epm_floor->rhs.netbios.name) == 0) return NULL;
470 return talloc_strdup(mem_ctx, epm_floor->rhs.netbios.name);
472 case EPM_PROTOCOL_NCALRPC:
473 return NULL;
475 case EPM_PROTOCOL_VINES_SPP:
476 return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_spp.port);
478 case EPM_PROTOCOL_VINES_IPC:
479 return talloc_asprintf(mem_ctx, "%d", epm_floor->rhs.vines_ipc.port);
481 case EPM_PROTOCOL_STREETTALK:
482 return talloc_strdup(mem_ctx, epm_floor->rhs.streettalk.streettalk);
484 case EPM_PROTOCOL_UNIX_DS:
485 if (strlen(epm_floor->rhs.unix_ds.path) == 0) return NULL;
486 return talloc_strdup(mem_ctx, epm_floor->rhs.unix_ds.path);
488 case EPM_PROTOCOL_NULL:
489 return NULL;
491 default:
492 DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
493 break;
496 return NULL;
499 static NTSTATUS dcerpc_floor_set_rhs_data(TALLOC_CTX *mem_ctx,
500 struct epm_floor *epm_floor,
501 const char *data)
503 switch (epm_floor->lhs.protocol) {
504 case EPM_PROTOCOL_TCP:
505 epm_floor->rhs.tcp.port = atoi(data);
506 return NT_STATUS_OK;
508 case EPM_PROTOCOL_UDP:
509 epm_floor->rhs.udp.port = atoi(data);
510 return NT_STATUS_OK;
512 case EPM_PROTOCOL_HTTP:
513 epm_floor->rhs.http.port = atoi(data);
514 return NT_STATUS_OK;
516 case EPM_PROTOCOL_IP:
517 epm_floor->rhs.ip.ipaddr = talloc_strdup(mem_ctx, data);
518 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.ip.ipaddr);
519 return NT_STATUS_OK;
521 case EPM_PROTOCOL_NCACN:
522 epm_floor->rhs.ncacn.minor_version = 0;
523 return NT_STATUS_OK;
525 case EPM_PROTOCOL_NCADG:
526 epm_floor->rhs.ncadg.minor_version = 0;
527 return NT_STATUS_OK;
529 case EPM_PROTOCOL_SMB:
530 epm_floor->rhs.smb.unc = talloc_strdup(mem_ctx, data);
531 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.smb.unc);
532 return NT_STATUS_OK;
534 case EPM_PROTOCOL_NAMED_PIPE:
535 epm_floor->rhs.named_pipe.path = talloc_strdup(mem_ctx, data);
536 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.named_pipe.path);
537 return NT_STATUS_OK;
539 case EPM_PROTOCOL_NETBIOS:
540 epm_floor->rhs.netbios.name = talloc_strdup(mem_ctx, data);
541 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.netbios.name);
542 return NT_STATUS_OK;
544 case EPM_PROTOCOL_NCALRPC:
545 return NT_STATUS_OK;
547 case EPM_PROTOCOL_VINES_SPP:
548 epm_floor->rhs.vines_spp.port = atoi(data);
549 return NT_STATUS_OK;
551 case EPM_PROTOCOL_VINES_IPC:
552 epm_floor->rhs.vines_ipc.port = atoi(data);
553 return NT_STATUS_OK;
555 case EPM_PROTOCOL_STREETTALK:
556 epm_floor->rhs.streettalk.streettalk = talloc_strdup(mem_ctx, data);
557 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.streettalk.streettalk);
558 return NT_STATUS_OK;
560 case EPM_PROTOCOL_UNIX_DS:
561 epm_floor->rhs.unix_ds.path = talloc_strdup(mem_ctx, data);
562 NT_STATUS_HAVE_NO_MEMORY(epm_floor->rhs.unix_ds.path);
563 return NT_STATUS_OK;
565 case EPM_PROTOCOL_NULL:
566 return NT_STATUS_OK;
568 default:
569 DEBUG(0,("Unsupported lhs protocol %d\n", epm_floor->lhs.protocol));
570 break;
573 return NT_STATUS_NOT_SUPPORTED;
576 enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot)
578 int i;
580 /* Find a transport that has 'prot' as 4th protocol */
581 for (i=0;i<ARRAY_SIZE(transports);i++) {
582 if (transports[i].num_protocols >= 2 &&
583 transports[i].protseq[1] == prot) {
584 return transports[i].transport;
588 /* Unknown transport */
589 return (unsigned int)-1;
592 _PUBLIC_ enum dcerpc_transport_t dcerpc_transport_by_tower(const struct epm_tower *tower)
594 int i;
596 /* Find a transport that matches this tower */
597 for (i=0;i<ARRAY_SIZE(transports);i++) {
598 int j;
599 if (transports[i].num_protocols != tower->num_floors - 2) {
600 continue;
603 for (j = 0; j < transports[i].num_protocols; j++) {
604 if (transports[i].protseq[j] != tower->floors[j+2].lhs.protocol) {
605 break;
609 if (j == transports[i].num_protocols) {
610 return transports[i].transport;
614 /* Unknown transport */
615 return (unsigned int)-1;
618 _PUBLIC_ const char *derpc_transport_string_by_transport(enum dcerpc_transport_t t)
620 int i;
622 for (i=0; i<ARRAY_SIZE(transports); i++) {
623 if (t == transports[i].transport) {
624 return transports[i].name;
627 return NULL;
630 _PUBLIC_ NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx,
631 struct epm_tower *tower,
632 struct dcerpc_binding **b_out)
634 NTSTATUS status;
635 struct dcerpc_binding *binding;
637 binding = talloc(mem_ctx, struct dcerpc_binding);
638 NT_STATUS_HAVE_NO_MEMORY(binding);
640 ZERO_STRUCT(binding->object);
641 binding->options = NULL;
642 binding->host = NULL;
643 binding->target_hostname = NULL;
644 binding->flags = 0;
645 binding->assoc_group_id = 0;
647 binding->transport = dcerpc_transport_by_tower(tower);
649 if (binding->transport == (unsigned int)-1) {
650 return NT_STATUS_NOT_SUPPORTED;
653 if (tower->num_floors < 1) {
654 return NT_STATUS_OK;
657 /* Set object uuid */
658 status = dcerpc_floor_get_lhs_data(&tower->floors[0], &binding->object);
660 if (!NT_STATUS_IS_OK(status)) {
661 DEBUG(1, ("Error pulling object uuid and version: %s", nt_errstr(status)));
662 return status;
665 /* Ignore floor 1, it contains the NDR version info */
667 binding->options = NULL;
669 /* Set endpoint */
670 if (tower->num_floors >= 4) {
671 binding->endpoint = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[3]);
672 } else {
673 binding->endpoint = NULL;
676 /* Set network address */
677 if (tower->num_floors >= 5) {
678 binding->host = dcerpc_floor_get_rhs_data(mem_ctx, &tower->floors[4]);
679 NT_STATUS_HAVE_NO_MEMORY(binding->host);
680 binding->target_hostname = binding->host;
682 *b_out = binding;
683 return NT_STATUS_OK;
686 _PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx,
687 const struct dcerpc_binding *binding,
688 struct epm_tower *tower)
690 const enum epm_protocol *protseq = NULL;
691 int num_protocols = -1, i;
692 NTSTATUS status;
694 /* Find transport */
695 for (i=0;i<ARRAY_SIZE(transports);i++) {
696 if (transports[i].transport == binding->transport) {
697 protseq = transports[i].protseq;
698 num_protocols = transports[i].num_protocols;
699 break;
703 if (num_protocols == -1) {
704 DEBUG(0, ("Unable to find transport with id '%d'\n", binding->transport));
705 return NT_STATUS_UNSUCCESSFUL;
708 tower->num_floors = 2 + num_protocols;
709 tower->floors = talloc_array(mem_ctx, struct epm_floor, tower->num_floors);
711 /* Floor 0 */
712 tower->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
714 tower->floors[0].lhs.lhs_data = dcerpc_floor_pack_lhs_data(tower->floors, &binding->object);
716 tower->floors[0].rhs.uuid.unknown = dcerpc_floor_pack_rhs_if_version_data(tower->floors, &binding->object);
718 /* Floor 1 */
719 tower->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
721 tower->floors[1].lhs.lhs_data = dcerpc_floor_pack_lhs_data(tower->floors,
722 &ndr_transfer_syntax);
724 tower->floors[1].rhs.uuid.unknown = data_blob_talloc_zero(tower->floors, 2);
726 /* Floor 2 to num_protocols */
727 for (i = 0; i < num_protocols; i++) {
728 tower->floors[2 + i].lhs.protocol = protseq[i];
729 tower->floors[2 + i].lhs.lhs_data = data_blob_talloc(tower->floors, NULL, 0);
730 ZERO_STRUCT(tower->floors[2 + i].rhs);
731 dcerpc_floor_set_rhs_data(tower->floors, &tower->floors[2 + i], "");
734 /* The 4th floor contains the endpoint */
735 if (num_protocols >= 2 && binding->endpoint) {
736 status = dcerpc_floor_set_rhs_data(tower->floors, &tower->floors[3], binding->endpoint);
737 if (NT_STATUS_IS_ERR(status)) {
738 return status;
742 /* The 5th contains the network address */
743 if (num_protocols >= 3 && binding->host) {
744 if (is_ipaddress(binding->host)) {
745 status = dcerpc_floor_set_rhs_data(tower->floors, &tower->floors[4],
746 binding->host);
747 } else {
748 /* note that we don't attempt to resolve the
749 name here - when we get a hostname here we
750 are in the client code, and want to put in
751 a wildcard all-zeros IP for the server to
752 fill in */
753 status = dcerpc_floor_set_rhs_data(tower->floors, &tower->floors[4],
754 "0.0.0.0");
756 if (NT_STATUS_IS_ERR(status)) {
757 return status;
761 return NT_STATUS_OK;