2 Unix SMB/CIFS implementation.
4 endpoint server for the epmapper pipe
6 Copyright (C) Andrew Tridgell 2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "rpc_server/common/common.h"
26 typedef uint32_t error_status_t;
28 /* handle types for this module */
29 enum handle_types {HTYPE_LOOKUP};
31 /* a endpoint combined with an interface description */
32 struct dcesrv_ep_iface {
34 struct dcesrv_ep_description ep_description;
40 simple routine to compare a GUID string to a GUID structure
42 static int guid_cmp(TALLOC_CTX *mem_ctx, const struct GUID *guid, const char *uuid_str)
44 const char *s = GUID_string(mem_ctx, guid);
45 if (!s || strcasecmp(s, uuid_str)) {
54 static BOOL fill_protocol_tower(TALLOC_CTX *mem_ctx, struct epm_towers *twr,
55 struct dcesrv_ep_iface *e)
58 twr->floors = talloc_array_p(mem_ctx, struct epm_floor, 5);
63 twr->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
64 GUID_from_string(e->uuid, &twr->floors[0].lhs.info.uuid.uuid);
65 twr->floors[0].lhs.info.uuid.version = e->if_version;
66 twr->floors[0].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
68 /* encoded with NDR ... */
69 twr->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
70 GUID_from_string(NDR_GUID, &twr->floors[1].lhs.info.uuid.uuid);
71 twr->floors[1].lhs.info.uuid.version = NDR_GUID_VERSION;
72 twr->floors[1].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
74 /* on an RPC connection ... */
75 twr->floors[2].lhs.protocol = EPM_PROTOCOL_NCACN_RPC_C;
76 twr->floors[2].lhs.info.lhs_data = data_blob(NULL, 0);
77 twr->floors[2].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
79 switch (e->ep_description.type) {
81 /* on a SMB pipe ... */
82 twr->floors[3].lhs.protocol = EPM_PROTOCOL_NCACN_SMB;
83 twr->floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
84 twr->floors[3].rhs.rhs_data.data = talloc_asprintf(mem_ctx, "\\PIPE\\%s",
85 e->ep_description.info.smb_pipe);
86 twr->floors[3].rhs.rhs_data.length = strlen(twr->floors[3].rhs.rhs_data.data)+1;
88 /* on an NetBIOS link ... */
89 twr->floors[4].lhs.protocol = EPM_PROTOCOL_NCACN_NETBIOS;
90 twr->floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
91 twr->floors[4].rhs.rhs_data.data = talloc_asprintf(mem_ctx, "\\\\%s",
93 twr->floors[4].rhs.rhs_data.length = strlen(twr->floors[4].rhs.rhs_data.data)+1;
97 /* on a TCP connection ... */
98 twr->floors[3].lhs.protocol = EPM_PROTOCOL_NCACN_TCP;
99 twr->floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
100 twr->floors[3].rhs.rhs_data = data_blob_talloc(mem_ctx, NULL, 2);
101 RSSVAL(twr->floors[3].rhs.rhs_data.data, 0, e->ep_description.info.tcp_port);
103 /* on an IP link ... */
104 twr->floors[4].lhs.protocol = EPM_PROTOCOL_NCACN_IP;
105 twr->floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
106 twr->floors[4].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 4);
107 /* TODO: we should fill in our IP address here as a hint to the
117 build a list of all interfaces handled by all endpoint servers
119 static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
120 struct dcesrv_endpoint *endpoint_list,
121 struct dcesrv_ep_iface **eps)
123 struct dcesrv_endpoint *d;
128 for (d=endpoint_list; d; d=d->next) {
129 struct dcesrv_if_list *iface;
131 for (iface=d->interface_list;iface;iface=iface->next) {
132 (*eps) = talloc_realloc_p(*eps,
133 struct dcesrv_ep_iface,
138 (*eps)[total].name = iface->iface.ndr->name;
139 (*eps)[total].uuid = iface->iface.ndr->uuid;
140 (*eps)[total].if_version = iface->iface.ndr->if_version;
141 (*eps)[total].ep_description = d->ep_description;
150 static error_status_t epm_Insert(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
151 struct epm_Insert *r)
153 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
156 static error_status_t epm_Delete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
157 struct epm_Delete *r)
159 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
164 implement epm_Lookup. This call is used to enumerate the interfaces
165 available on a rpc server
167 static error_status_t epm_Lookup(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
168 struct epm_Lookup *r)
170 struct dcesrv_handle *h;
173 struct dcesrv_ep_iface *e;
178 h = dcesrv_handle_fetch(dce_call->conn, r->in.entry_handle, HTYPE_LOOKUP);
179 DCESRV_CHECK_HANDLE(h);
184 /* this is the first call - fill the list. Subsequent calls
185 will feed from this list, stored in the handle */
186 eps = talloc_p(h->mem_ctx, struct rpc_eps);
188 return EPMAPPER_STATUS_NO_MEMORY;
192 eps->count = build_ep_list(h->mem_ctx, dce_call->conn->dce_ctx->endpoint_list, &eps->e);
195 /* return the next N elements */
196 num_ents = r->in.max_ents;
197 if (num_ents > eps->count) {
198 num_ents = eps->count;
201 *r->out.entry_handle = h->wire_handle;
202 r->out.num_ents = num_ents;
205 r->out.entries = NULL;
206 ZERO_STRUCTP(r->out.entry_handle);
207 dcesrv_handle_destroy(dce_call->conn, h);
208 return EPMAPPER_STATUS_NO_MORE_ENTRIES;
211 r->out.entries = talloc_array_p(mem_ctx, struct epm_entry_t, num_ents);
212 if (!r->out.entries) {
213 return EPMAPPER_STATUS_NO_MEMORY;
216 for (i=0;i<num_ents;i++) {
217 ZERO_STRUCT(r->out.entries[i].object);
218 r->out.entries[i].annotation = eps->e[i].name;
219 r->out.entries[i].tower = talloc_p(mem_ctx, struct epm_twr_t);
220 if (!r->out.entries[i].tower) {
221 return EPMAPPER_STATUS_NO_MEMORY;
224 if (!fill_protocol_tower(mem_ctx, &r->out.entries[i].tower->towers, &eps->e[i])) {
225 return EPMAPPER_STATUS_NO_MEMORY;
229 eps->count -= num_ents;
232 return EPMAPPER_STATUS_OK;
237 implement epm_Map. This is used to find the specific endpoint to talk to given
238 a generic protocol tower
240 static error_status_t epm_Map(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
245 struct dcesrv_ep_iface *eps;
246 struct epm_floor *floors;
248 count = build_ep_list(mem_ctx, dce_call->conn->dce_ctx->endpoint_list, &eps);
250 ZERO_STRUCT(*r->out.entry_handle);
251 r->out.num_towers = 1;
252 r->out.towers = talloc_p(mem_ctx, struct epm_twr_p_t);
253 if (!r->out.towers) {
254 return EPMAPPER_STATUS_NO_MEMORY;
256 r->out.towers->twr = talloc_p(mem_ctx, struct epm_twr_t);
257 if (!r->out.towers->twr) {
258 return EPMAPPER_STATUS_NO_MEMORY;
261 if (!r->in.map_tower || r->in.max_towers == 0 ||
262 r->in.map_tower->towers.num_floors != 5) {
266 floors = r->in.map_tower->towers.floors;
268 if (floors[0].lhs.protocol != EPM_PROTOCOL_UUID ||
269 floors[1].lhs.protocol != EPM_PROTOCOL_UUID ||
270 guid_cmp(mem_ctx, &floors[1].lhs.info.uuid.uuid, NDR_GUID) != 0 ||
271 floors[1].lhs.info.uuid.version != NDR_GUID_VERSION ||
272 floors[2].lhs.protocol != EPM_PROTOCOL_NCACN_RPC_C) {
276 for (i=0;i<count;i++) {
277 if (guid_cmp(mem_ctx, &floors[0].lhs.info.uuid.uuid, eps[i].uuid) != 0 ||
278 floors[0].lhs.info.uuid.version != eps[i].if_version) {
281 switch (eps[i].ep_description.type) {
283 if (floors[3].lhs.protocol != EPM_PROTOCOL_NCACN_SMB ||
284 floors[4].lhs.protocol != EPM_PROTOCOL_NCACN_NETBIOS) {
289 if (floors[3].lhs.protocol != EPM_PROTOCOL_NCACN_TCP ||
290 floors[4].lhs.protocol != EPM_PROTOCOL_NCACN_IP) {
295 fill_protocol_tower(mem_ctx, &r->out.towers->twr->towers, &eps[i]);
296 r->out.towers->twr->tower_length = 0;
297 return EPMAPPER_STATUS_OK;
302 r->out.num_towers = 0;
303 r->out.towers->twr = NULL;
305 return EPMAPPER_STATUS_NO_MORE_ENTRIES;
308 static error_status_t epm_LookupHandleFree(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
309 struct epm_LookupHandleFree *r)
311 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
314 static error_status_t epm_InqObject(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
315 struct epm_InqObject *r)
317 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
320 static error_status_t epm_MgmtDelete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
321 struct epm_MgmtDelete *r)
323 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
326 static error_status_t epm_MapAuth(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
327 struct epm_MapAuth *r)
329 DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
332 /* include the generated boilerplate */
333 #include "librpc/gen_ndr/ndr_epmapper_s.c"