2 Unix SMB/CIFS implementation.
4 endpoint server for the epmapper pipe
6 Copyright (C) Andrew Tridgell 2003
7 Copyright (C) Jelmer Vernooij 2004
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "librpc/gen_ndr/ndr_epmapper.h"
25 #include "rpc_server/dcerpc_server.h"
26 #include "rpc_server/common/common.h"
28 typedef uint32_t error_status_t;
30 /* handle types for this module */
31 enum handle_types {HTYPE_LOOKUP};
33 /* a endpoint combined with an interface description */
34 struct dcesrv_ep_iface {
40 build a list of all interfaces handled by all endpoint servers
42 static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
43 struct dcesrv_endpoint *endpoint_list,
44 struct dcesrv_ep_iface **eps)
46 struct dcesrv_endpoint *d;
52 for (d=endpoint_list; d; d=d->next) {
53 struct dcesrv_if_list *iface;
54 struct dcerpc_binding *description;
56 for (iface=d->interface_list;iface;iface=iface->next) {
57 (*eps) = talloc_realloc(mem_ctx,
59 struct dcesrv_ep_iface,
64 (*eps)[total].name = iface->iface.name;
66 description = d->ep_description;
67 description->object = iface->iface.syntax_id;
69 status = dcerpc_binding_build_tower(mem_ctx, description, &(*eps)[total].ep);
70 if (NT_STATUS_IS_ERR(status)) {
71 DEBUG(1, ("Unable to build tower for %s\n", iface->iface.name));
82 static error_status_t dcesrv_epm_Insert(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct epm_Insert *r)
84 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
87 static error_status_t dcesrv_epm_Delete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
90 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
95 implement epm_Lookup. This call is used to enumerate the interfaces
96 available on a rpc server
98 static error_status_t dcesrv_epm_Lookup(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
101 struct dcesrv_handle *h;
104 struct dcesrv_ep_iface *e;
109 DCESRV_PULL_HANDLE_FAULT(h, r->in.entry_handle, HTYPE_LOOKUP);
114 /* this is the first call - fill the list. Subsequent calls
115 will feed from this list, stored in the handle */
116 eps = talloc(h, struct rpc_eps);
118 return EPMAPPER_STATUS_NO_MEMORY;
122 eps->count = build_ep_list(h, dce_call->conn->dce_ctx->endpoint_list, &eps->e);
125 /* return the next N elements */
126 num_ents = r->in.max_ents;
127 if (num_ents > eps->count) {
128 num_ents = eps->count;
131 *r->out.entry_handle = h->wire_handle;
132 r->out.num_ents = talloc(mem_ctx, uint32_t);
133 *r->out.num_ents = num_ents;
136 r->out.entries = NULL;
137 ZERO_STRUCTP(r->out.entry_handle);
139 return EPMAPPER_STATUS_NO_MORE_ENTRIES;
142 r->out.entries = talloc_array(mem_ctx, struct epm_entry_t, num_ents);
143 if (!r->out.entries) {
144 return EPMAPPER_STATUS_NO_MEMORY;
147 for (i=0;i<num_ents;i++) {
148 ZERO_STRUCT(r->out.entries[i].object);
149 r->out.entries[i].annotation = eps->e[i].name;
150 r->out.entries[i].tower = talloc(mem_ctx, struct epm_twr_t);
151 if (!r->out.entries[i].tower) {
152 return EPMAPPER_STATUS_NO_MEMORY;
154 r->out.entries[i].tower->tower = eps->e[i].ep;
157 eps->count -= num_ents;
160 return EPMAPPER_STATUS_OK;
165 implement epm_Map. This is used to find the specific endpoint to talk to given
166 a generic protocol tower
168 static error_status_t dcesrv_epm_Map(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
173 struct dcesrv_ep_iface *eps;
174 struct epm_floor *floors;
175 enum dcerpc_transport_t transport;
176 struct dcerpc_syntax_id ndr_syntax;
178 count = build_ep_list(mem_ctx, dce_call->conn->dce_ctx->endpoint_list, &eps);
180 ZERO_STRUCT(*r->out.entry_handle);
181 r->out.num_towers = talloc(mem_ctx, uint32_t);
182 *r->out.num_towers = 1;
183 r->out.towers = talloc(mem_ctx, struct epm_twr_p_t);
184 if (!r->out.towers) {
185 return EPMAPPER_STATUS_NO_MEMORY;
187 r->out.towers->twr = talloc(mem_ctx, struct epm_twr_t);
188 if (!r->out.towers->twr) {
189 return EPMAPPER_STATUS_NO_MEMORY;
192 if (!r->in.map_tower || r->in.max_towers == 0 ||
193 r->in.map_tower->tower.num_floors < 3) {
197 floors = r->in.map_tower->tower.floors;
199 dcerpc_floor_get_lhs_data(&r->in.map_tower->tower.floors[1], &ndr_syntax);
201 if (floors[1].lhs.protocol != EPM_PROTOCOL_UUID ||
202 !GUID_equal(&ndr_syntax.uuid, &ndr_transfer_syntax.uuid) ||
203 ndr_syntax.if_version != ndr_transfer_syntax.if_version) {
207 transport = dcerpc_transport_by_tower(&r->in.map_tower->tower);
209 if (transport == -1) {
210 DEBUG(2, ("Client requested unknown transport with levels: "));
211 for (i = 2; i < r->in.map_tower->tower.num_floors; i++) {
212 DEBUG(2, ("%d, ", r->in.map_tower->tower.floors[i].lhs.protocol));
218 for (i=0;i<count;i++) {
220 data_blob_cmp(&r->in.map_tower->tower.floors[0].lhs.lhs_data,
221 &eps[i].ep.floors[0].lhs.lhs_data) != 0
222 || transport != dcerpc_transport_by_tower(&eps[i].ep)) {
226 r->out.towers->twr->tower = eps[i].ep;
227 r->out.towers->twr->tower_length = 0;
228 return EPMAPPER_STATUS_OK;
233 *r->out.num_towers = 0;
234 r->out.towers->twr = NULL;
236 return EPMAPPER_STATUS_NO_MORE_ENTRIES;
239 static error_status_t dcesrv_epm_LookupHandleFree(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
240 struct epm_LookupHandleFree *r)
242 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
245 static error_status_t dcesrv_epm_InqObject(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
246 struct epm_InqObject *r)
248 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
251 static error_status_t dcesrv_epm_MgmtDelete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
252 struct epm_MgmtDelete *r)
254 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
257 static error_status_t dcesrv_epm_MapAuth(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
258 struct epm_MapAuth *r)
260 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
263 /* include the generated boilerplate */
264 #include "librpc/gen_ndr/ndr_epmapper_s.c"