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.
26 /* handle types for this module */
27 enum handle_types {HTYPE_LOOKUP};
29 /* a endpoint combined with an interface description */
30 struct dcesrv_ep_iface {
32 struct dcesrv_ep_description ep_description;
38 simple routine to compare a GUID string to a GUID structure
40 static int guid_cmp(TALLOC_CTX *mem_ctx, const struct GUID *guid, const char *uuid_str)
42 const char *s = GUID_string(mem_ctx, guid);
43 if (!s || strcasecmp(s, uuid_str)) {
52 static BOOL fill_protocol_tower(TALLOC_CTX *mem_ctx, struct epm_towers *twr,
53 struct dcesrv_ep_iface *e)
56 twr->floors = talloc_array_p(mem_ctx, struct epm_floor, 5);
61 twr->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
62 GUID_from_string(e->uuid, &twr->floors[0].lhs.info.uuid.uuid);
63 twr->floors[0].lhs.info.uuid.version = e->if_version;
64 twr->floors[0].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
66 /* encoded with NDR ... */
67 twr->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
68 GUID_from_string(NDR_GUID, &twr->floors[1].lhs.info.uuid.uuid);
69 twr->floors[1].lhs.info.uuid.version = NDR_GUID_VERSION;
70 twr->floors[1].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
72 /* on an RPC connection ... */
73 twr->floors[2].lhs.protocol = EPM_PROTOCOL_RPC_C;
74 twr->floors[2].lhs.info.lhs_data = data_blob(NULL, 0);
75 twr->floors[2].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 2);
77 switch (e->ep_description.type) {
79 /* on a SMB pipe ... */
80 twr->floors[3].lhs.protocol = EPM_PROTOCOL_SMB;
81 twr->floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
82 twr->floors[3].rhs.rhs_data.data = talloc_asprintf(mem_ctx, "\\PIPE\\%s",
83 e->ep_description.info.smb_pipe);
84 twr->floors[3].rhs.rhs_data.length = strlen(twr->floors[3].rhs.rhs_data.data)+1;
86 /* on an NetBIOS link ... */
87 twr->floors[4].lhs.protocol = EPM_PROTOCOL_NETBIOS;
88 twr->floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
89 twr->floors[4].rhs.rhs_data.data = talloc_asprintf(mem_ctx, "\\\\%s",
91 twr->floors[4].rhs.rhs_data.length = strlen(twr->floors[4].rhs.rhs_data.data)+1;
95 /* on a TCP connection ... */
96 twr->floors[3].lhs.protocol = EPM_PROTOCOL_TCP;
97 twr->floors[3].lhs.info.lhs_data = data_blob(NULL, 0);
98 twr->floors[3].rhs.rhs_data = data_blob_talloc(mem_ctx, NULL, 2);
99 RSSVAL(twr->floors[3].rhs.rhs_data.data, 0, e->ep_description.info.tcp_port);
101 /* on an IP link ... */
102 twr->floors[4].lhs.protocol = EPM_PROTOCOL_IP;
103 twr->floors[4].lhs.info.lhs_data = data_blob(NULL, 0);
104 twr->floors[4].rhs.rhs_data = data_blob_talloc_zero(mem_ctx, 4);
113 build a list of all interfaces handled by all endpoint servers
115 static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
116 struct dcesrv_endpoint *endpoint_list,
117 struct dcesrv_ep_iface **eps)
119 struct dcesrv_endpoint *d;
124 for (d=endpoint_list; d; d=d->next) {
125 struct dcesrv_if_list *iface;
127 for (iface=d->interface_list;iface;iface=iface->next) {
128 (*eps) = talloc_realloc_p(mem_ctx, *eps,
129 struct dcesrv_ep_iface,
134 (*eps)[total].name = iface->iface.ndr->name;
135 (*eps)[total].uuid = iface->iface.ndr->uuid;
136 (*eps)[total].if_version = iface->iface.ndr->if_version;
137 (*eps)[total].ep_description = d->ep_description;
146 static NTSTATUS epm_Insert(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
147 struct epm_Insert *r)
149 return NT_STATUS_NOT_IMPLEMENTED;
152 static NTSTATUS epm_Delete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
153 struct epm_Delete *r)
155 return NT_STATUS_NOT_IMPLEMENTED;
160 implement epm_Lookup. This call is used to enumerate the interfaces
161 available on a rpc server
163 static NTSTATUS epm_Lookup(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
164 struct epm_Lookup *r)
166 struct dcesrv_handle *h;
169 struct dcesrv_ep_iface *e;
174 h = dcesrv_handle_fetch(dce_call->conn, r->in.entry_handle, HTYPE_LOOKUP);
176 return NT_STATUS_INVALID_HANDLE;
182 /* this is the first call - fill the list. Subsequent calls
183 will feed from this list, stored in the handle */
184 eps = talloc_p(h->mem_ctx, struct rpc_eps);
186 return NT_STATUS_NO_MEMORY;
190 eps->count = build_ep_list(h->mem_ctx, dce_call->conn->dce_ctx->endpoint_list, &eps->e);
193 /* return the next N elements */
194 num_ents = r->in.max_ents;
195 if (num_ents > eps->count) {
196 num_ents = eps->count;
199 *r->out.entry_handle = h->wire_handle;
200 r->out.num_ents = num_ents;
204 r->out.entries = NULL;
205 r->out.status = EPMAPPER_STATUS_NO_MORE_ENTRIES;
206 ZERO_STRUCTP(r->out.entry_handle);
207 dcesrv_handle_destroy(dce_call->conn, h);
211 r->out.entries = talloc_array_p(mem_ctx, struct epm_entry_t, num_ents);
212 if (!r->out.entries) {
213 return NT_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 NT_STATUS_NO_MEMORY;
224 if (!fill_protocol_tower(mem_ctx, &r->out.entries[i].tower->towers, &eps->e[i])) {
225 return NT_STATUS_NO_MEMORY;
229 eps->count -= num_ents;
237 implement epm_Map. This is used to find the specific endpoint to talk to given
238 a generic protocol tower
240 static NTSTATUS 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_STRUCTP(r->out.entry_handle);
251 r->out.num_towers = 1;
253 r->out.towers = talloc_p(mem_ctx, struct epm_twr_p_t);
254 if (!r->out.towers) {
255 return NT_STATUS_NO_MEMORY;
257 r->out.towers->twr = talloc_p(mem_ctx, struct epm_twr_t);
258 if (!r->out.towers->twr) {
259 return NT_STATUS_NO_MEMORY;
262 if (!r->in.map_tower || r->in.max_towers == 0 ||
263 r->in.map_tower->towers.num_floors != 5) {
267 floors = r->in.map_tower->towers.floors;
269 if (floors[0].lhs.protocol != EPM_PROTOCOL_UUID ||
270 floors[1].lhs.protocol != EPM_PROTOCOL_UUID ||
271 guid_cmp(mem_ctx, &floors[1].lhs.info.uuid.uuid, NDR_GUID) != 0 ||
272 floors[1].lhs.info.uuid.version != NDR_GUID_VERSION ||
273 floors[2].lhs.protocol != EPM_PROTOCOL_RPC_C) {
277 for (i=0;i<count;i++) {
278 if (guid_cmp(mem_ctx, &floors[0].lhs.info.uuid.uuid, eps[i].uuid) != 0 ||
279 floors[0].lhs.info.uuid.version != eps[i].if_version) {
282 switch (eps[i].ep_description.type) {
284 if (floors[3].lhs.protocol != EPM_PROTOCOL_SMB ||
285 floors[4].lhs.protocol != EPM_PROTOCOL_NETBIOS) {
290 if (floors[3].lhs.protocol != EPM_PROTOCOL_TCP ||
291 floors[4].lhs.protocol != EPM_PROTOCOL_IP) {
296 fill_protocol_tower(mem_ctx, &r->out.towers->twr->towers, &eps[i]);
302 r->out.num_towers = 0;
303 r->out.status = EPMAPPER_STATUS_NO_MORE_ENTRIES;
304 r->out.towers->twr = NULL;
309 static NTSTATUS epm_LookupHandleFree(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
310 struct epm_LookupHandleFree *r)
312 return NT_STATUS_NOT_IMPLEMENTED;
315 static NTSTATUS epm_InqObject(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
316 struct epm_InqObject *r)
318 return NT_STATUS_NOT_IMPLEMENTED;
321 static NTSTATUS epm_MgmtDelete(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
322 struct epm_MgmtDelete *r)
324 return NT_STATUS_NOT_IMPLEMENTED;
328 /* include the generated boilerplate */
329 #include "librpc/gen_ndr/ndr_epmapper_s.c"