2 Unix SMB/CIFS implementation.
3 remote dcerpc operations
5 Copyright (C) Stefan (metze) Metzmacher 2004
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "rpc_server/dcerpc_server.h"
25 struct dcesrv_remote_private {
26 struct dcerpc_pipe *c_pipe;
29 static NTSTATUS remote_op_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *iface)
32 struct dcesrv_remote_private *private;
33 const char *binding = lp_parm_string(-1, "dcerpc_remote", "binding");
36 DEBUG(0,("You must specify a ncacn binding string\n"));
37 return NT_STATUS_INVALID_PARAMETER;
40 private = talloc_p(dce_call->conn, struct dcesrv_remote_private);
42 return NT_STATUS_NO_MEMORY;
45 status = dcerpc_pipe_connect(&(private->c_pipe), binding, iface->uuid, iface->if_version,
47 lp_parm_string(-1, "dcerpc_remote", "username"),
48 lp_parm_string(-1, "dcerpc_remote", "password"));
49 if (!NT_STATUS_IS_OK(status)) {
53 dce_call->conn->private = private;
58 static void remote_op_unbind(struct dcesrv_connection *dce_conn, const struct dcesrv_interface *iface)
60 struct dcesrv_remote_private *private = dce_conn->private;
62 dcerpc_pipe_close(private->c_pipe);
67 static NTSTATUS remote_op_ndr_pull(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_pull *pull, void **r)
70 const struct dcerpc_interface_table *table = dce_call->conn->iface->private;
71 uint16_t opnum = dce_call->pkt.u.request.opnum;
73 dce_call->fault_code = 0;
75 if (opnum >= table->num_calls) {
76 dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR;
77 return NT_STATUS_NET_WRITE_FAULT;
80 *r = talloc_size(mem_ctx, table->calls[opnum].struct_size);
82 return NT_STATUS_NO_MEMORY;
85 /* unravel the NDR for the packet */
86 status = table->calls[opnum].ndr_pull(pull, NDR_IN, *r);
87 if (!NT_STATUS_IS_OK(status)) {
88 dcerpc_log_packet(table, opnum, NDR_IN,
89 &dce_call->pkt.u.request.stub_and_verifier);
90 dce_call->fault_code = DCERPC_FAULT_NDR;
91 return NT_STATUS_NET_WRITE_FAULT;
97 static NTSTATUS remote_op_dispatch(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, void *r)
99 struct dcesrv_remote_private *private = dce_call->conn->private;
100 uint16_t opnum = dce_call->pkt.u.request.opnum;
101 const struct dcerpc_interface_table *table = dce_call->conn->iface->private;
102 const struct dcerpc_interface_call *call;
105 name = table->calls[opnum].name;
106 call = &table->calls[opnum];
108 if (private->c_pipe->flags & DCERPC_DEBUG_PRINT_IN) {
109 ndr_print_function_debug(call->ndr_print, name, NDR_IN | NDR_SET_VALUES, r);
112 /* we didn't use the return code of this function as we only check the last_fault_code */
113 dcerpc_ndr_request(private->c_pipe, NULL, table, opnum, mem_ctx,r);
115 dce_call->fault_code = private->c_pipe->last_fault_code;
116 if (dce_call->fault_code != 0) {
117 DEBUG(0,("dcesrv_remote: call[%s] failed with: %s!\n",name, dcerpc_errstr(mem_ctx, dce_call->fault_code)));
118 return NT_STATUS_NET_WRITE_FAULT;
121 if ((dce_call->fault_code == 0) && (private->c_pipe->flags & DCERPC_DEBUG_PRINT_OUT)) {
122 ndr_print_function_debug(call->ndr_print, name, NDR_OUT, r);
128 static NTSTATUS remote_op_ndr_push(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_push *push, void *r)
131 const struct dcerpc_interface_table *table = dce_call->conn->iface->private;
132 uint16_t opnum = dce_call->pkt.u.request.opnum;
134 /* unravel the NDR for the packet */
135 status = table->calls[opnum].ndr_push(push, NDR_OUT, r);
136 if (!NT_STATUS_IS_OK(status)) {
137 dce_call->fault_code = DCERPC_FAULT_NDR;
138 return NT_STATUS_NET_WRITE_FAULT;
144 static NTSTATUS remote_register_one_iface(struct dcesrv_context *dce_ctx, const struct dcesrv_interface *iface)
147 const struct dcerpc_interface_table *table = iface->private;
149 for (i=0;i<table->endpoints->count;i++) {
151 const char *name = table->endpoints->names[i];
153 ret = dcesrv_interface_register(dce_ctx, name, iface, NULL);
154 if (!NT_STATUS_IS_OK(ret)) {
155 DEBUG(1,("remote_op_init_server: failed to register endpoint '%s'\n",name));
163 static NTSTATUS remote_op_init_server(struct dcesrv_context *dce_ctx, const struct dcesrv_endpoint_server *ep_server)
166 char **ifaces = str_list_make(lp_parm_string(-1,"dcerpc_remote","interfaces"),NULL);
169 DEBUG(3,("remote_op_init_server: no interfaces configured\n"));
173 for (i=0;ifaces[i];i++) {
175 struct dcesrv_interface iface;
177 if (!ep_server->interface_by_name(&iface, ifaces[i])) {
178 DEBUG(0,("remote_op_init_server: failed to find interface = '%s'\n", ifaces[i]));
179 str_list_free(&ifaces);
180 return NT_STATUS_UNSUCCESSFUL;
183 ret = remote_register_one_iface(dce_ctx, &iface);
184 if (!NT_STATUS_IS_OK(ret)) {
185 DEBUG(0,("remote_op_init_server: failed to register interface = '%s'\n", ifaces[i]));
186 str_list_free(&ifaces);
191 str_list_free(&ifaces);
195 static BOOL remote_fill_interface(struct dcesrv_interface *iface, const struct dcerpc_interface_table *if_tabl)
197 iface->name = if_tabl->name;
198 iface->uuid = if_tabl->uuid;
199 iface->if_version = if_tabl->if_version;
201 iface->bind = remote_op_bind;
202 iface->unbind = remote_op_unbind;
204 iface->ndr_pull = remote_op_ndr_pull;
205 iface->dispatch = remote_op_dispatch;
206 iface->ndr_push = remote_op_ndr_push;
208 iface->private = if_tabl;
213 static BOOL remote_op_interface_by_uuid(struct dcesrv_interface *iface, const char *uuid, uint32_t if_version)
215 struct dcerpc_interface_list *l;
217 for (l=dcerpc_pipes;l;l=l->next) {
218 if (l->table->if_version == if_version &&
219 strcmp(l->table->uuid, uuid)==0) {
220 return remote_fill_interface(iface, l->table);
227 static BOOL remote_op_interface_by_name(struct dcesrv_interface *iface, const char *name)
229 struct dcerpc_interface_list *l;
231 for (l=dcerpc_pipes;l;l=l->next) {
232 if (strcmp(l->table->name, name)==0) {
233 return remote_fill_interface(iface, l->table);
240 NTSTATUS dcerpc_server_remote_init(void)
243 struct dcesrv_endpoint_server ep_server;
245 ZERO_STRUCT(ep_server);
247 /* fill in our name */
248 ep_server.name = "remote";
250 /* fill in all the operations */
251 ep_server.init_server = remote_op_init_server;
253 ep_server.interface_by_uuid = remote_op_interface_by_uuid;
254 ep_server.interface_by_name = remote_op_interface_by_name;
256 /* register ourselves with the DCERPC subsystem. */
257 ret = dcerpc_register_ep_server(&ep_server);
258 if (!NT_STATUS_IS_OK(ret)) {
259 DEBUG(0,("Failed to register 'remote' endpoint server!\n"));