2 Unix SMB/CIFS implementation.
5 Copyright (C) Volker Lendecke 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.
25 #define NERR_Success 0
26 #define NERR_badpass 86
27 #define NERR_notsupported 50
29 struct rap_string_heap {
36 struct rap_heap_save {
37 int offset, num_strings;
40 static void rap_heap_save(struct rap_string_heap *heap,
41 struct rap_heap_save *save)
43 save->offset = heap->offset;
44 save->num_strings = heap->num_strings;
47 static void rap_heap_restore(struct rap_string_heap *heap,
48 struct rap_heap_save *save)
50 heap->offset = save->offset;
51 heap->num_strings = save->num_strings;
57 const char *paramdesc;
63 uint16 rcv_paramlen, rcv_datalen;
65 struct ndr_push *ndr_push_param;
66 struct ndr_push *ndr_push_data;
67 struct rap_string_heap *heap;
69 struct ndr_pull *ndr_pull_param;
70 struct ndr_pull *ndr_pull_data;
73 #define RAPNDR_FLAGS (LIBNDR_FLAG_NOALIGN|LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
75 static struct rap_call *new_rap_srv_call(TALLOC_CTX *mem_ctx,
76 struct smb_trans2 *trans)
78 struct rap_call *call;
80 call = talloc_p(mem_ctx, struct rap_call);
87 call->mem_ctx = mem_ctx;
89 call->ndr_pull_param = ndr_pull_init_blob(&trans->in.params, mem_ctx);
90 call->ndr_pull_param->flags = RAPNDR_FLAGS;
92 call->ndr_pull_data = ndr_pull_init_blob(&trans->in.data, mem_ctx);
93 call->ndr_pull_data->flags = RAPNDR_FLAGS;
95 call->heap = talloc_p(mem_ctx, struct rap_string_heap);
97 if (call->heap == NULL)
100 ZERO_STRUCTP(call->heap);
102 call->heap->mem_ctx = mem_ctx;
107 static NTSTATUS rap_srv_pull_word(struct rap_call *call, uint16 *result)
109 if (*call->paramdesc++ != 'W')
110 return NT_STATUS_INVALID_PARAMETER;
112 return ndr_pull_uint16(call->ndr_pull_param, result);
115 static NTSTATUS rap_srv_pull_dword(struct rap_call *call, uint32 *result)
117 if (*call->paramdesc++ != 'D')
118 return NT_STATUS_INVALID_PARAMETER;
120 return ndr_pull_uint32(call->ndr_pull_param, result);
123 static NTSTATUS rap_srv_pull_string(struct rap_call *call, const char **result)
125 char paramdesc = *call->paramdesc++;
127 if (paramdesc == 'O') {
132 if (paramdesc != 'z')
133 return NT_STATUS_INVALID_PARAMETER;
135 return ndr_pull_string(call->ndr_pull_param, NDR_SCALARS, result);
138 static NTSTATUS rap_srv_pull_bufsize(struct rap_call *call, uint16 *bufsize)
142 if ( (*call->paramdesc++ != 'r') || (*call->paramdesc++ != 'L') )
143 return NT_STATUS_INVALID_PARAMETER;
145 result = ndr_pull_uint16(call->ndr_pull_param, bufsize);
147 if (!NT_STATUS_IS_OK(result))
150 call->heap->offset = *bufsize;
155 static NTSTATUS rap_srv_pull_expect_multiple(struct rap_call *call)
157 if ( (*call->paramdesc++ != 'e') || (*call->paramdesc++ != 'h') )
158 return NT_STATUS_INVALID_PARAMETER;
163 static NTSTATUS rap_push_string(struct ndr_push *data_push,
164 struct rap_string_heap *heap,
172 space = strlen(str)+1;
174 if (heap->offset < space)
175 return NT_STATUS_BUFFER_TOO_SMALL;
177 heap->offset -= space;
179 NDR_CHECK(ndr_push_uint16(data_push, heap->offset));
180 NDR_CHECK(ndr_push_uint16(data_push, 0));
182 heap->strings = talloc_realloc_p(heap->mem_ctx,
185 heap->num_strings + 1);
187 if (heap->strings == NULL)
188 return NT_STATUS_NO_MEMORY;
190 heap->strings[heap->num_strings] = str;
191 heap->num_strings += 1;
196 #define NDR_OK(call) do { result = call; \
197 if (NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL)) \
198 goto buffer_overflow; \
199 if (!NT_STATUS_IS_OK(result)) \
203 static NTSTATUS _rap_netshareenum(struct smbsrv_request *req,
204 struct rap_call *call)
206 struct rap_NetShareEnum r;
209 NDR_OK(rap_srv_pull_word(call, &r.in.level));
210 NDR_OK(rap_srv_pull_bufsize(call, &r.in.bufsize));
211 NDR_OK(rap_srv_pull_expect_multiple(call));
215 if (strcmp(call->datadesc, "B13") != 0)
216 return NT_STATUS_INVALID_PARAMETER;
219 if (strcmp(call->datadesc, "B13BWz") != 0)
220 return NT_STATUS_INVALID_PARAMETER;
223 return NT_STATUS_INVALID_PARAMETER;
227 result = rap_netshareenum(req, &r);
229 if (!NT_STATUS_IS_OK(result))
232 for (r.out.count = 0; r.out.count < r.out.available; r.out.count++) {
235 struct ndr_push_save data_save;
236 struct rap_heap_save heap_save;
238 ndr_push_save(call->ndr_push_data, &data_save);
239 rap_heap_save(call->heap, &heap_save);
243 NDR_OK(ndr_push_bytes(call->ndr_push_data,
244 r.out.info[i].info0.name,
245 sizeof(r.out.info[i].info0.name)));
248 NDR_OK(ndr_push_bytes(call->ndr_push_data,
249 r.out.info[i].info1.name,
250 sizeof(r.out.info[i].info1.name)));
251 NDR_OK(ndr_push_uint8(call->ndr_push_data,
252 r.out.info[i].info1.pad));
253 NDR_OK(ndr_push_uint16(call->ndr_push_data,
254 r.out.info[i].info1.type));
256 NDR_OK(rap_push_string(call->ndr_push_data,
258 r.out.info[i].info1.comment));
263 if (call->ndr_push_data->offset > call->heap->offset) {
267 ndr_push_restore(call->ndr_push_data, &data_save);
268 rap_heap_restore(call->heap, &heap_save);
273 call->status = r.out.status;
275 NDR_CHECK(ndr_push_uint16(call->ndr_push_param, r.out.count));
276 NDR_CHECK(ndr_push_uint16(call->ndr_push_param, r.out.available));
278 result = NT_STATUS_OK;
284 static NTSTATUS _rap_netserverenum2(struct smbsrv_request *req,
285 struct rap_call *call)
287 struct rap_NetServerEnum2 r;
290 NDR_OK(rap_srv_pull_word(call, &r.in.level));
291 NDR_OK(rap_srv_pull_bufsize(call, &r.in.bufsize));
292 NDR_OK(rap_srv_pull_expect_multiple(call));
293 NDR_OK(rap_srv_pull_dword(call, &r.in.servertype));
294 NDR_OK(rap_srv_pull_string(call, &r.in.domain));
298 if (strcmp(call->datadesc, "B16") != 0)
299 return NT_STATUS_INVALID_PARAMETER;
302 if (strcmp(call->datadesc, "B16BBDz") != 0)
303 return NT_STATUS_INVALID_PARAMETER;
306 return NT_STATUS_INVALID_PARAMETER;
310 result = rap_netserverenum2(req, &r);
312 if (!NT_STATUS_IS_OK(result))
315 for (r.out.count = 0; r.out.count < r.out.available; r.out.count++) {
318 struct ndr_push_save data_save;
319 struct rap_heap_save heap_save;
321 ndr_push_save(call->ndr_push_data, &data_save);
322 rap_heap_save(call->heap, &heap_save);
326 NDR_OK(ndr_push_bytes(call->ndr_push_data,
327 r.out.info[i].info0.name,
328 sizeof(r.out.info[i].info0.name)));
331 NDR_OK(ndr_push_bytes(call->ndr_push_data,
332 r.out.info[i].info1.name,
333 sizeof(r.out.info[i].info1.name)));
334 NDR_OK(ndr_push_uint8(call->ndr_push_data,
335 r.out.info[i].info1.version_major));
336 NDR_OK(ndr_push_uint8(call->ndr_push_data,
337 r.out.info[i].info1.version_minor));
338 NDR_OK(ndr_push_uint32(call->ndr_push_data,
339 r.out.info[i].info1.servertype));
341 NDR_OK(rap_push_string(call->ndr_push_data,
343 r.out.info[i].info1.comment));
348 if (call->ndr_push_data->offset > call->heap->offset) {
352 ndr_push_restore(call->ndr_push_data, &data_save);
353 rap_heap_restore(call->heap, &heap_save);
358 call->status = r.out.status;
360 NDR_CHECK(ndr_push_uint16(call->ndr_push_param, r.out.count));
361 NDR_CHECK(ndr_push_uint16(call->ndr_push_param, r.out.available));
363 result = NT_STATUS_OK;
369 static NTSTATUS api_Unsupported(struct smbsrv_request *req,
370 struct rap_call *call)
372 call->status = NERR_notsupported;
377 #define RAP_NetShareEnum 0
378 #define RAP_NetServerEnum2 104
384 NTSTATUS (*fn)(struct smbsrv_request *req, struct rap_call *call);
386 {"NetShareEnum", RAP_NetShareEnum, _rap_netshareenum },
387 {"NetServerEnum2", RAP_NetServerEnum2, _rap_netserverenum2 },
388 {NULL, -1, api_Unsupported}
391 NTSTATUS ipc_rap_call(struct smbsrv_request *req, struct smb_trans2 *trans)
395 struct rap_call *call;
396 DATA_BLOB result_param, result_data;
397 struct ndr_push *final_param;
398 struct ndr_push *final_data;
400 call = new_rap_srv_call(req, trans);
403 return NT_STATUS_NO_MEMORY;
405 NDR_CHECK(ndr_pull_uint16(call->ndr_pull_param, &call->callno));
406 NDR_CHECK(ndr_pull_string(call->ndr_pull_param, NDR_SCALARS,
408 NDR_CHECK(ndr_pull_string(call->ndr_pull_param, NDR_SCALARS,
411 call->ndr_push_param = ndr_push_init_ctx(req);
412 call->ndr_push_data = ndr_push_init_ctx(req);
414 if ((call->ndr_push_param == NULL) || (call->ndr_push_data == NULL))
415 return NT_STATUS_NO_MEMORY;
417 call->ndr_push_param->flags = RAPNDR_FLAGS;
418 call->ndr_push_data->flags = RAPNDR_FLAGS;
420 result = NT_STATUS_NOT_IMPLEMENTED;
422 for (i=0; api_commands[i].name != NULL; i++) {
423 if (api_commands[i].id == call->callno) {
424 DEBUG(5, ("Running RAP call %s\n",
425 api_commands[i].name));
426 result = api_commands[i].fn(req, call);
431 if (!NT_STATUS_IS_OK(result))
434 result_param = ndr_push_blob(call->ndr_push_param);
435 result_data = ndr_push_blob(call->ndr_push_data);
437 final_param = ndr_push_init_ctx(req);
438 final_data = ndr_push_init_ctx(req);
440 if ((final_param == NULL) || (final_data == NULL))
441 return NT_STATUS_NO_MEMORY;
443 final_param->flags = RAPNDR_FLAGS;
444 final_data->flags = RAPNDR_FLAGS;
446 NDR_CHECK(ndr_push_uint16(final_param, call->status));
447 NDR_CHECK(ndr_push_uint16(final_param,
448 call->heap->offset - result_data.length));
449 NDR_CHECK(ndr_push_bytes(final_param, result_param.data,
450 result_param.length));
452 NDR_CHECK(ndr_push_bytes(final_data, result_data.data,
453 result_data.length));
455 for (i=call->heap->num_strings-1; i>=0; i--)
456 NDR_CHECK(ndr_push_string(final_data, NDR_SCALARS,
457 call->heap->strings[i]));
459 trans->out.setup_count = 0;
460 trans->out.setup = NULL;
461 trans->out.params = ndr_push_blob(final_param);
462 trans->out.data = ndr_push_blob(final_data);