Commit | Line | Data |
---|---|---|
0a17edf3 OK |
1 | /* |
2 | * RPC messages | |
3 | * | |
83b6c8a5 | 4 | * Copyright 2001-2002 Ove Kåven, TransGaming Technologies |
c5580b03 | 5 | * Copyright 2004 Filip Navara |
a2d2d4db | 6 | * Copyright 2006 CodeWeavers |
0a17edf3 OK |
7 | * |
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * This library 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 GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
360a3f91 | 20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
0a17edf3 OK |
21 | */ |
22 | ||
e37c6e18 | 23 | #include <stdarg.h> |
0a17edf3 OK |
24 | #include <stdio.h> |
25 | #include <string.h> | |
26 | ||
27 | #include "windef.h" | |
28 | #include "winbase.h" | |
29 | #include "winerror.h" | |
5f077bab | 30 | #include "winuser.h" |
0a17edf3 OK |
31 | |
32 | #include "rpc.h" | |
c5580b03 | 33 | #include "rpcndr.h" |
0a17edf3 OK |
34 | #include "rpcdcep.h" |
35 | ||
36 | #include "wine/debug.h" | |
37 | ||
38 | #include "rpc_binding.h" | |
39 | #include "rpc_defs.h" | |
4f82e547 | 40 | #include "rpc_message.h" |
9c77d7ac | 41 | #include "ncastatus.h" |
0a17edf3 | 42 | |
64280a6d | 43 | WINE_DEFAULT_DEBUG_CHANNEL(rpc); |
0a17edf3 | 44 | |
5f266c54 RS |
45 | /* note: the DCE/RPC spec says the alignment amount should be 4, but |
46 | * MS/RPC servers seem to always use 16 */ | |
47 | #define AUTH_ALIGNMENT 16 | |
48 | ||
49 | /* gets the amount needed to round a value up to the specified alignment */ | |
50 | #define ROUND_UP_AMOUNT(value, alignment) \ | |
51 | (((alignment) - (((value) % (alignment)))) % (alignment)) | |
44922d29 | 52 | #define ROUND_UP(value, alignment) (((value) + ((alignment) - 1)) & ~((alignment)-1)) |
5f266c54 | 53 | |
709b536f RS |
54 | static RPC_STATUS I_RpcReAllocateBuffer(PRPC_MESSAGE pMsg); |
55 | ||
5f6ae94a | 56 | DWORD RPCRT4_GetHeaderSize(const RpcPktHdr *Header) |
c5580b03 FN |
57 | { |
58 | static const DWORD header_sizes[] = { | |
59 | sizeof(Header->request), 0, sizeof(Header->response), | |
60 | sizeof(Header->fault), 0, 0, 0, 0, 0, 0, 0, sizeof(Header->bind), | |
61 | sizeof(Header->bind_ack), sizeof(Header->bind_nack), | |
c66972df | 62 | 0, 0, sizeof(Header->auth3), 0, 0, 0, sizeof(Header->http) |
c5580b03 FN |
63 | }; |
64 | ULONG ret = 0; | |
65 | ||
66 | if (Header->common.ptype < sizeof(header_sizes) / sizeof(header_sizes[0])) { | |
67 | ret = header_sizes[Header->common.ptype]; | |
68 | if (ret == 0) | |
e27e61db | 69 | FIXME("unhandled packet type %u\n", Header->common.ptype); |
c5580b03 FN |
70 | if (Header->common.flags & RPC_FLG_OBJECT_UUID) |
71 | ret += sizeof(UUID); | |
72 | } else { | |
5f6ae94a | 73 | WARN("invalid packet type %u\n", Header->common.ptype); |
c5580b03 FN |
74 | } |
75 | ||
76 | return ret; | |
77 | } | |
78 | ||
763fe632 | 79 | static int packet_has_body(const RpcPktHdr *Header) |
51dd6f9f RS |
80 | { |
81 | return (Header->common.ptype == PKT_FAULT) || | |
82 | (Header->common.ptype == PKT_REQUEST) || | |
83 | (Header->common.ptype == PKT_RESPONSE); | |
84 | } | |
85 | ||
763fe632 | 86 | static int packet_has_auth_verifier(const RpcPktHdr *Header) |
51dd6f9f RS |
87 | { |
88 | return !(Header->common.ptype == PKT_BIND_NACK) && | |
89 | !(Header->common.ptype == PKT_SHUTDOWN); | |
90 | } | |
91 | ||
e27e61db RS |
92 | static int packet_does_auth_negotiation(const RpcPktHdr *Header) |
93 | { | |
94 | switch (Header->common.ptype) | |
95 | { | |
96 | case PKT_BIND: | |
97 | case PKT_BIND_ACK: | |
98 | case PKT_AUTH3: | |
99 | case PKT_ALTER_CONTEXT: | |
100 | case PKT_ALTER_CONTEXT_RESP: | |
101 | return TRUE; | |
102 | default: | |
103 | return FALSE; | |
104 | } | |
105 | } | |
106 | ||
4f82e547 | 107 | static VOID RPCRT4_BuildCommonHeader(RpcPktHdr *Header, unsigned char PacketType, |
8de02428 | 108 | ULONG DataRepresentation) |
c5580b03 FN |
109 | { |
110 | Header->common.rpc_ver = RPC_VER_MAJOR; | |
111 | Header->common.rpc_ver_minor = RPC_VER_MINOR; | |
112 | Header->common.ptype = PacketType; | |
113 | Header->common.drep[0] = LOBYTE(LOWORD(DataRepresentation)); | |
114 | Header->common.drep[1] = HIBYTE(LOWORD(DataRepresentation)); | |
115 | Header->common.drep[2] = LOBYTE(HIWORD(DataRepresentation)); | |
116 | Header->common.drep[3] = HIBYTE(HIWORD(DataRepresentation)); | |
117 | Header->common.auth_len = 0; | |
118 | Header->common.call_id = 1; | |
119 | Header->common.flags = 0; | |
120 | /* Flags and fragment length are computed in RPCRT4_Send. */ | |
121 | } | |
122 | ||
8de02428 AJ |
123 | static RpcPktHdr *RPCRT4_BuildRequestHeader(ULONG DataRepresentation, |
124 | ULONG BufferLength, | |
c5580b03 FN |
125 | unsigned short ProcNum, |
126 | UUID *ObjectUuid) | |
127 | { | |
128 | RpcPktHdr *header; | |
129 | BOOL has_object; | |
130 | RPC_STATUS status; | |
131 | ||
132 | has_object = (ObjectUuid != NULL && !UuidIsNil(ObjectUuid, &status)); | |
133 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, | |
134 | sizeof(header->request) + (has_object ? sizeof(UUID) : 0)); | |
135 | if (header == NULL) { | |
136 | return NULL; | |
137 | } | |
138 | ||
139 | RPCRT4_BuildCommonHeader(header, PKT_REQUEST, DataRepresentation); | |
140 | header->common.frag_len = sizeof(header->request); | |
141 | header->request.alloc_hint = BufferLength; | |
142 | header->request.context_id = 0; | |
143 | header->request.opnum = ProcNum; | |
144 | if (has_object) { | |
145 | header->common.flags |= RPC_FLG_OBJECT_UUID; | |
146 | header->common.frag_len += sizeof(UUID); | |
147 | memcpy(&header->request + 1, ObjectUuid, sizeof(UUID)); | |
148 | } | |
149 | ||
150 | return header; | |
151 | } | |
152 | ||
8de02428 | 153 | RpcPktHdr *RPCRT4_BuildResponseHeader(ULONG DataRepresentation, ULONG BufferLength) |
c5580b03 FN |
154 | { |
155 | RpcPktHdr *header; | |
156 | ||
157 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(header->response)); | |
158 | if (header == NULL) { | |
159 | return NULL; | |
160 | } | |
161 | ||
162 | RPCRT4_BuildCommonHeader(header, PKT_RESPONSE, DataRepresentation); | |
163 | header->common.frag_len = sizeof(header->response); | |
164 | header->response.alloc_hint = BufferLength; | |
165 | ||
166 | return header; | |
167 | } | |
168 | ||
8de02428 | 169 | RpcPktHdr *RPCRT4_BuildFaultHeader(ULONG DataRepresentation, RPC_STATUS Status) |
c5580b03 FN |
170 | { |
171 | RpcPktHdr *header; | |
172 | ||
173 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(header->fault)); | |
174 | if (header == NULL) { | |
175 | return NULL; | |
176 | } | |
177 | ||
178 | RPCRT4_BuildCommonHeader(header, PKT_FAULT, DataRepresentation); | |
179 | header->common.frag_len = sizeof(header->fault); | |
180 | header->fault.status = Status; | |
181 | ||
182 | return header; | |
183 | } | |
184 | ||
8de02428 | 185 | RpcPktHdr *RPCRT4_BuildBindHeader(ULONG DataRepresentation, |
c5580b03 FN |
186 | unsigned short MaxTransmissionSize, |
187 | unsigned short MaxReceiveSize, | |
8de02428 | 188 | ULONG AssocGroupId, |
9787f125 RS |
189 | const RPC_SYNTAX_IDENTIFIER *AbstractId, |
190 | const RPC_SYNTAX_IDENTIFIER *TransferId) | |
c5580b03 FN |
191 | { |
192 | RpcPktHdr *header; | |
59ba6d25 | 193 | RpcContextElement *ctxt_elem; |
c5580b03 | 194 | |
59ba6d25 RS |
195 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
196 | sizeof(header->bind) + FIELD_OFFSET(RpcContextElement, transfer_syntaxes[1])); | |
c5580b03 FN |
197 | if (header == NULL) { |
198 | return NULL; | |
199 | } | |
59ba6d25 | 200 | ctxt_elem = (RpcContextElement *)(&header->bind + 1); |
c5580b03 FN |
201 | |
202 | RPCRT4_BuildCommonHeader(header, PKT_BIND, DataRepresentation); | |
59ba6d25 | 203 | header->common.frag_len = sizeof(header->bind) + FIELD_OFFSET(RpcContextElement, transfer_syntaxes[1]); |
c5580b03 FN |
204 | header->bind.max_tsize = MaxTransmissionSize; |
205 | header->bind.max_rsize = MaxReceiveSize; | |
0ebcacca | 206 | header->bind.assoc_gid = AssocGroupId; |
c5580b03 | 207 | header->bind.num_elements = 1; |
59ba6d25 RS |
208 | ctxt_elem->num_syntaxes = 1; |
209 | ctxt_elem->abstract_syntax = *AbstractId; | |
210 | ctxt_elem->transfer_syntaxes[0] = *TransferId; | |
c5580b03 FN |
211 | |
212 | return header; | |
213 | } | |
214 | ||
8de02428 | 215 | static RpcPktHdr *RPCRT4_BuildAuthHeader(ULONG DataRepresentation) |
336e67e2 MM |
216 | { |
217 | RpcPktHdr *header; | |
218 | ||
219 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, | |
c66972df | 220 | sizeof(header->auth3)); |
336e67e2 MM |
221 | if (header == NULL) |
222 | return NULL; | |
223 | ||
224 | RPCRT4_BuildCommonHeader(header, PKT_AUTH3, DataRepresentation); | |
c66972df | 225 | header->common.frag_len = sizeof(header->auth3); |
336e67e2 MM |
226 | |
227 | return header; | |
228 | } | |
229 | ||
8de02428 | 230 | RpcPktHdr *RPCRT4_BuildBindNackHeader(ULONG DataRepresentation, |
c5580b03 | 231 | unsigned char RpcVersion, |
59ba6d25 RS |
232 | unsigned char RpcVersionMinor, |
233 | unsigned short RejectReason) | |
c5580b03 FN |
234 | { |
235 | RpcPktHdr *header; | |
236 | ||
03f87bc1 | 237 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET(RpcPktHdr, bind_nack.protocols[1])); |
c5580b03 FN |
238 | if (header == NULL) { |
239 | return NULL; | |
240 | } | |
241 | ||
242 | RPCRT4_BuildCommonHeader(header, PKT_BIND_NACK, DataRepresentation); | |
03f87bc1 | 243 | header->common.frag_len = FIELD_OFFSET(RpcPktHdr, bind_nack.protocols[1]); |
59ba6d25 | 244 | header->bind_nack.reject_reason = RejectReason; |
c5580b03 FN |
245 | header->bind_nack.protocols_count = 1; |
246 | header->bind_nack.protocols[0].rpc_ver = RpcVersion; | |
247 | header->bind_nack.protocols[0].rpc_ver_minor = RpcVersionMinor; | |
248 | ||
249 | return header; | |
250 | } | |
251 | ||
8de02428 | 252 | RpcPktHdr *RPCRT4_BuildBindAckHeader(ULONG DataRepresentation, |
c5580b03 FN |
253 | unsigned short MaxTransmissionSize, |
254 | unsigned short MaxReceiveSize, | |
8de02428 | 255 | ULONG AssocGroupId, |
9787f125 | 256 | LPCSTR ServerAddress, |
59ba6d25 RS |
257 | unsigned char ResultCount, |
258 | const RpcResult *Results) | |
c5580b03 FN |
259 | { |
260 | RpcPktHdr *header; | |
8de02428 | 261 | ULONG header_size; |
c5580b03 | 262 | RpcAddressString *server_address; |
59ba6d25 | 263 | RpcResultList *results; |
c5580b03 | 264 | |
44922d29 RS |
265 | header_size = sizeof(header->bind_ack) + |
266 | ROUND_UP(FIELD_OFFSET(RpcAddressString, string[strlen(ServerAddress) + 1]), 4) + | |
59ba6d25 | 267 | FIELD_OFFSET(RpcResultList, results[ResultCount]); |
c5580b03 FN |
268 | |
269 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, header_size); | |
270 | if (header == NULL) { | |
271 | return NULL; | |
272 | } | |
273 | ||
274 | RPCRT4_BuildCommonHeader(header, PKT_BIND_ACK, DataRepresentation); | |
275 | header->common.frag_len = header_size; | |
276 | header->bind_ack.max_tsize = MaxTransmissionSize; | |
277 | header->bind_ack.max_rsize = MaxReceiveSize; | |
22f530c8 | 278 | header->bind_ack.assoc_gid = AssocGroupId; |
c5580b03 FN |
279 | server_address = (RpcAddressString*)(&header->bind_ack + 1); |
280 | server_address->length = strlen(ServerAddress) + 1; | |
281 | strcpy(server_address->string, ServerAddress); | |
44922d29 | 282 | /* results is 4-byte aligned */ |
59ba6d25 RS |
283 | results = (RpcResultList*)((ULONG_PTR)server_address + ROUND_UP(FIELD_OFFSET(RpcAddressString, string[server_address->length]), 4)); |
284 | results->num_results = ResultCount; | |
285 | memcpy(&results->results[0], Results, ResultCount * sizeof(*Results)); | |
c5580b03 FN |
286 | |
287 | return header; | |
288 | } | |
289 | ||
8de02428 | 290 | RpcPktHdr *RPCRT4_BuildHttpHeader(ULONG DataRepresentation, |
5f6ae94a RS |
291 | unsigned short flags, |
292 | unsigned short num_data_items, | |
293 | unsigned int payload_size) | |
294 | { | |
295 | RpcPktHdr *header; | |
296 | ||
297 | header = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(header->http) + payload_size); | |
298 | if (header == NULL) { | |
299 | ERR("failed to allocate memory\n"); | |
300 | return NULL; | |
301 | } | |
302 | ||
303 | RPCRT4_BuildCommonHeader(header, PKT_HTTP, DataRepresentation); | |
304 | /* since the packet isn't current sent using RPCRT4_Send, set the flags | |
305 | * manually here */ | |
306 | header->common.flags = RPC_FLG_FIRST|RPC_FLG_LAST; | |
307 | header->common.call_id = 0; | |
308 | header->common.frag_len = sizeof(header->http) + payload_size; | |
309 | header->http.flags = flags; | |
310 | header->http.num_data_items = num_data_items; | |
311 | ||
312 | return header; | |
313 | } | |
314 | ||
315 | #define WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, type, value) \ | |
316 | do { \ | |
317 | *(unsigned int *)(payload) = (type); \ | |
318 | (payload) += 4; \ | |
319 | *(unsigned int *)(payload) = (value); \ | |
320 | (payload) += 4; \ | |
321 | } while (0) | |
322 | ||
323 | #define WRITE_HTTP_PAYLOAD_FIELD_UUID(payload, type, uuid) \ | |
324 | do { \ | |
325 | *(unsigned int *)(payload) = (type); \ | |
326 | (payload) += 4; \ | |
327 | *(UUID *)(payload) = (uuid); \ | |
328 | (payload) += sizeof(UUID); \ | |
329 | } while (0) | |
330 | ||
331 | #define WRITE_HTTP_PAYLOAD_FIELD_FLOW_CONTROL(payload, bytes_transmitted, flow_control_increment, uuid) \ | |
332 | do { \ | |
333 | *(unsigned int *)(payload) = 0x00000001; \ | |
334 | (payload) += 4; \ | |
335 | *(unsigned int *)(payload) = (bytes_transmitted); \ | |
336 | (payload) += 4; \ | |
337 | *(unsigned int *)(payload) = (flow_control_increment); \ | |
338 | (payload) += 4; \ | |
339 | *(UUID *)(payload) = (uuid); \ | |
340 | (payload) += sizeof(UUID); \ | |
341 | } while (0) | |
342 | ||
343 | RpcPktHdr *RPCRT4_BuildHttpConnectHeader(unsigned short flags, int out_pipe, | |
344 | const UUID *connection_uuid, | |
345 | const UUID *pipe_uuid, | |
346 | const UUID *association_uuid) | |
347 | { | |
348 | RpcPktHdr *header; | |
349 | unsigned int size; | |
350 | char *payload; | |
351 | ||
352 | size = 8 + 4 + sizeof(UUID) + 4 + sizeof(UUID) + 8; | |
353 | if (!out_pipe) | |
354 | size += 8 + 4 + sizeof(UUID); | |
355 | ||
356 | header = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, flags, | |
357 | out_pipe ? 4 : 6, size); | |
358 | if (!header) return NULL; | |
359 | payload = (char *)(&header->http+1); | |
360 | ||
361 | /* FIXME: what does this part of the payload do? */ | |
362 | WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, 0x00000006, 0x00000001); | |
363 | ||
364 | WRITE_HTTP_PAYLOAD_FIELD_UUID(payload, 0x00000003, *connection_uuid); | |
365 | WRITE_HTTP_PAYLOAD_FIELD_UUID(payload, 0x00000003, *pipe_uuid); | |
366 | ||
367 | if (out_pipe) | |
368 | /* FIXME: what does this part of the payload do? */ | |
369 | WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, 0x00000000, 0x00010000); | |
370 | else | |
371 | { | |
372 | /* FIXME: what does this part of the payload do? */ | |
373 | WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, 0x00000004, 0x40000000); | |
374 | /* FIXME: what does this part of the payload do? */ | |
375 | WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, 0x00000005, 0x000493e0); | |
376 | ||
377 | WRITE_HTTP_PAYLOAD_FIELD_UUID(payload, 0x0000000c, *association_uuid); | |
378 | } | |
379 | ||
380 | return header; | |
381 | } | |
382 | ||
383 | RpcPktHdr *RPCRT4_BuildHttpFlowControlHeader(BOOL server, ULONG bytes_transmitted, | |
384 | ULONG flow_control_increment, | |
385 | const UUID *pipe_uuid) | |
386 | { | |
387 | RpcPktHdr *header; | |
388 | char *payload; | |
389 | ||
390 | header = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, 0x2, 2, | |
391 | 5 * sizeof(ULONG) + sizeof(UUID)); | |
392 | if (!header) return NULL; | |
393 | payload = (char *)(&header->http+1); | |
394 | ||
395 | WRITE_HTTP_PAYLOAD_FIELD_UINT32(payload, 0x0000000d, (server ? 0x0 : 0x3)); | |
396 | ||
397 | WRITE_HTTP_PAYLOAD_FIELD_FLOW_CONTROL(payload, bytes_transmitted, | |
398 | flow_control_increment, *pipe_uuid); | |
399 | return header; | |
400 | } | |
401 | ||
c5580b03 FN |
402 | VOID RPCRT4_FreeHeader(RpcPktHdr *Header) |
403 | { | |
404 | HeapFree(GetProcessHeap(), 0, Header); | |
405 | } | |
406 | ||
9c77d7ac RS |
407 | NCA_STATUS RPC2NCA_STATUS(RPC_STATUS status) |
408 | { | |
409 | switch (status) | |
410 | { | |
411 | case ERROR_INVALID_HANDLE: return NCA_S_FAULT_CONTEXT_MISMATCH; | |
412 | case ERROR_OUTOFMEMORY: return NCA_S_FAULT_REMOTE_NO_MEMORY; | |
413 | case RPC_S_NOT_LISTENING: return NCA_S_SERVER_TOO_BUSY; | |
414 | case RPC_S_UNKNOWN_IF: return NCA_S_UNK_IF; | |
415 | case RPC_S_SERVER_TOO_BUSY: return NCA_S_SERVER_TOO_BUSY; | |
416 | case RPC_S_CALL_FAILED: return NCA_S_FAULT_UNSPEC; | |
417 | case RPC_S_CALL_FAILED_DNE: return NCA_S_MANAGER_NOT_ENTERED; | |
418 | case RPC_S_PROTOCOL_ERROR: return NCA_S_PROTO_ERROR; | |
419 | case RPC_S_UNSUPPORTED_TYPE: return NCA_S_UNSUPPORTED_TYPE; | |
420 | case RPC_S_INVALID_TAG: return NCA_S_FAULT_INVALID_TAG; | |
421 | case RPC_S_INVALID_BOUND: return NCA_S_FAULT_INVALID_BOUND; | |
422 | case RPC_S_PROCNUM_OUT_OF_RANGE: return NCA_S_OP_RNG_ERROR; | |
423 | case RPC_X_SS_HANDLES_MISMATCH: return NCA_S_FAULT_CONTEXT_MISMATCH; | |
d212adbf RS |
424 | case RPC_S_CALL_CANCELLED: return NCA_S_FAULT_CANCEL; |
425 | case RPC_S_COMM_FAILURE: return NCA_S_COMM_FAILURE; | |
426 | case RPC_X_WRONG_PIPE_ORDER: return NCA_S_FAULT_PIPE_ORDER; | |
427 | case RPC_X_PIPE_CLOSED: return NCA_S_FAULT_PIPE_CLOSED; | |
428 | case RPC_X_PIPE_DISCIPLINE_ERROR: return NCA_S_FAULT_PIPE_DISCIPLINE; | |
429 | case RPC_X_PIPE_EMPTY: return NCA_S_FAULT_PIPE_EMPTY; | |
9c77d7ac RS |
430 | case STATUS_FLOAT_DIVIDE_BY_ZERO: return NCA_S_FAULT_FP_DIV_ZERO; |
431 | case STATUS_FLOAT_INVALID_OPERATION: return NCA_S_FAULT_FP_ERROR; | |
432 | case STATUS_FLOAT_OVERFLOW: return NCA_S_FAULT_FP_OVERFLOW; | |
433 | case STATUS_FLOAT_UNDERFLOW: return NCA_S_FAULT_FP_UNDERFLOW; | |
434 | case STATUS_INTEGER_DIVIDE_BY_ZERO: return NCA_S_FAULT_INT_DIV_BY_ZERO; | |
435 | case STATUS_INTEGER_OVERFLOW: return NCA_S_FAULT_INT_OVERFLOW; | |
436 | default: return status; | |
437 | } | |
438 | } | |
439 | ||
273b4065 | 440 | static RPC_STATUS NCA2RPC_STATUS(NCA_STATUS status) |
9c77d7ac RS |
441 | { |
442 | switch (status) | |
443 | { | |
444 | case NCA_S_COMM_FAILURE: return RPC_S_COMM_FAILURE; | |
445 | case NCA_S_OP_RNG_ERROR: return RPC_S_PROCNUM_OUT_OF_RANGE; | |
446 | case NCA_S_UNK_IF: return RPC_S_UNKNOWN_IF; | |
447 | case NCA_S_YOU_CRASHED: return RPC_S_CALL_FAILED; | |
448 | case NCA_S_PROTO_ERROR: return RPC_S_PROTOCOL_ERROR; | |
449 | case NCA_S_OUT_ARGS_TOO_BIG: return ERROR_NOT_ENOUGH_SERVER_MEMORY; | |
450 | case NCA_S_SERVER_TOO_BUSY: return RPC_S_SERVER_TOO_BUSY; | |
451 | case NCA_S_UNSUPPORTED_TYPE: return RPC_S_UNSUPPORTED_TYPE; | |
452 | case NCA_S_FAULT_INT_DIV_BY_ZERO: return RPC_S_ZERO_DIVIDE; | |
453 | case NCA_S_FAULT_ADDR_ERROR: return RPC_S_ADDRESS_ERROR; | |
454 | case NCA_S_FAULT_FP_DIV_ZERO: return RPC_S_FP_DIV_ZERO; | |
455 | case NCA_S_FAULT_FP_UNDERFLOW: return RPC_S_FP_UNDERFLOW; | |
456 | case NCA_S_FAULT_FP_OVERFLOW: return RPC_S_FP_OVERFLOW; | |
457 | case NCA_S_FAULT_INVALID_TAG: return RPC_S_INVALID_TAG; | |
458 | case NCA_S_FAULT_INVALID_BOUND: return RPC_S_INVALID_BOUND; | |
459 | case NCA_S_RPC_VERSION_MISMATCH: return RPC_S_PROTOCOL_ERROR; | |
460 | case NCA_S_UNSPEC_REJECT: return RPC_S_CALL_FAILED_DNE; | |
461 | case NCA_S_BAD_ACTID: return RPC_S_CALL_FAILED_DNE; | |
462 | case NCA_S_WHO_ARE_YOU_FAILED: return RPC_S_CALL_FAILED; | |
463 | case NCA_S_MANAGER_NOT_ENTERED: return RPC_S_CALL_FAILED_DNE; | |
464 | case NCA_S_FAULT_CANCEL: return RPC_S_CALL_CANCELLED; | |
465 | case NCA_S_FAULT_ILL_INST: return RPC_S_ADDRESS_ERROR; | |
466 | case NCA_S_FAULT_FP_ERROR: return RPC_S_FP_OVERFLOW; | |
467 | case NCA_S_FAULT_INT_OVERFLOW: return RPC_S_ADDRESS_ERROR; | |
468 | case NCA_S_FAULT_UNSPEC: return RPC_S_CALL_FAILED; | |
469 | case NCA_S_FAULT_PIPE_EMPTY: return RPC_X_PIPE_EMPTY; | |
470 | case NCA_S_FAULT_PIPE_CLOSED: return RPC_X_PIPE_CLOSED; | |
471 | case NCA_S_FAULT_PIPE_ORDER: return RPC_X_WRONG_PIPE_ORDER; | |
472 | case NCA_S_FAULT_PIPE_DISCIPLINE: return RPC_X_PIPE_DISCIPLINE_ERROR; | |
473 | case NCA_S_FAULT_PIPE_COMM_ERROR: return RPC_S_COMM_FAILURE; | |
474 | case NCA_S_FAULT_PIPE_MEMORY: return ERROR_OUTOFMEMORY; | |
475 | case NCA_S_FAULT_CONTEXT_MISMATCH: return ERROR_INVALID_HANDLE; | |
476 | case NCA_S_FAULT_REMOTE_NO_MEMORY: return ERROR_NOT_ENOUGH_SERVER_MEMORY; | |
477 | default: return status; | |
478 | } | |
479 | } | |
480 | ||
5f6ae94a RS |
481 | /* assumes the common header fields have already been validated */ |
482 | BOOL RPCRT4_IsValidHttpPacket(RpcPktHdr *hdr, unsigned char *data, | |
483 | unsigned short data_len) | |
484 | { | |
485 | unsigned short i; | |
486 | BYTE *p = data; | |
487 | ||
488 | for (i = 0; i < hdr->http.num_data_items; i++) | |
489 | { | |
490 | ULONG type; | |
491 | ||
492 | if (data_len < sizeof(ULONG)) | |
493 | return FALSE; | |
494 | ||
495 | type = *(ULONG *)p; | |
496 | p += sizeof(ULONG); | |
497 | data_len -= sizeof(ULONG); | |
498 | ||
499 | switch (type) | |
500 | { | |
501 | case 0x3: | |
502 | case 0xc: | |
503 | if (data_len < sizeof(GUID)) | |
504 | return FALSE; | |
505 | p += sizeof(GUID); | |
506 | data_len -= sizeof(GUID); | |
507 | break; | |
508 | case 0x0: | |
509 | case 0x2: | |
510 | case 0x4: | |
511 | case 0x5: | |
512 | case 0x6: | |
513 | case 0xd: | |
514 | if (data_len < sizeof(ULONG)) | |
515 | return FALSE; | |
516 | p += sizeof(ULONG); | |
517 | data_len -= sizeof(ULONG); | |
518 | break; | |
519 | case 0x1: | |
520 | if (data_len < 24) | |
521 | return FALSE; | |
522 | p += 24; | |
523 | data_len -= 24; | |
524 | break; | |
525 | default: | |
526 | FIXME("unimplemented type 0x%x\n", type); | |
527 | break; | |
528 | } | |
529 | } | |
530 | return TRUE; | |
531 | } | |
532 | ||
533 | /* assumes the HTTP packet has been validated */ | |
ef5f1f50 | 534 | static unsigned char *RPCRT4_NextHttpHeaderField(unsigned char *data) |
5f6ae94a RS |
535 | { |
536 | ULONG type; | |
537 | ||
538 | type = *(ULONG *)data; | |
539 | data += sizeof(ULONG); | |
540 | ||
541 | switch (type) | |
542 | { | |
543 | case 0x3: | |
544 | case 0xc: | |
545 | return data + sizeof(GUID); | |
546 | case 0x0: | |
547 | case 0x2: | |
548 | case 0x4: | |
549 | case 0x5: | |
550 | case 0x6: | |
551 | case 0xd: | |
552 | return data + sizeof(ULONG); | |
553 | case 0x1: | |
554 | return data + 24; | |
555 | default: | |
556 | FIXME("unimplemented type 0x%x\n", type); | |
557 | return data; | |
558 | } | |
559 | } | |
560 | ||
561 | #define READ_HTTP_PAYLOAD_FIELD_TYPE(data) *(ULONG *)(data) | |
562 | #define GET_HTTP_PAYLOAD_FIELD_DATA(data) ((data) + sizeof(ULONG)) | |
563 | ||
564 | /* assumes the HTTP packet has been validated */ | |
565 | RPC_STATUS RPCRT4_ParseHttpPrepareHeader1(RpcPktHdr *header, | |
566 | unsigned char *data, ULONG *field1) | |
567 | { | |
568 | ULONG type; | |
569 | if (header->http.flags != 0x0) | |
570 | { | |
571 | ERR("invalid flags 0x%x\n", header->http.flags); | |
572 | return RPC_S_PROTOCOL_ERROR; | |
573 | } | |
574 | if (header->http.num_data_items != 1) | |
575 | { | |
576 | ERR("invalid number of data items %d\n", header->http.num_data_items); | |
577 | return RPC_S_PROTOCOL_ERROR; | |
578 | } | |
579 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
580 | if (type != 0x00000002) | |
581 | { | |
582 | ERR("invalid type 0x%08x\n", type); | |
583 | return RPC_S_PROTOCOL_ERROR; | |
584 | } | |
585 | *field1 = *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data); | |
586 | return RPC_S_OK; | |
587 | } | |
588 | ||
589 | /* assumes the HTTP packet has been validated */ | |
590 | RPC_STATUS RPCRT4_ParseHttpPrepareHeader2(RpcPktHdr *header, | |
591 | unsigned char *data, ULONG *field1, | |
592 | ULONG *bytes_until_next_packet, | |
593 | ULONG *field3) | |
594 | { | |
595 | ULONG type; | |
596 | if (header->http.flags != 0x0) | |
597 | { | |
598 | ERR("invalid flags 0x%x\n", header->http.flags); | |
599 | return RPC_S_PROTOCOL_ERROR; | |
600 | } | |
601 | if (header->http.num_data_items != 3) | |
602 | { | |
603 | ERR("invalid number of data items %d\n", header->http.num_data_items); | |
604 | return RPC_S_PROTOCOL_ERROR; | |
605 | } | |
606 | ||
607 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
608 | if (type != 0x00000006) | |
609 | { | |
610 | ERR("invalid type for field 1: 0x%08x\n", type); | |
611 | return RPC_S_PROTOCOL_ERROR; | |
612 | } | |
613 | *field1 = *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data); | |
614 | data = RPCRT4_NextHttpHeaderField(data); | |
615 | ||
616 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
617 | if (type != 0x00000000) | |
618 | { | |
619 | ERR("invalid type for field 2: 0x%08x\n", type); | |
620 | return RPC_S_PROTOCOL_ERROR; | |
621 | } | |
622 | *bytes_until_next_packet = *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data); | |
623 | data = RPCRT4_NextHttpHeaderField(data); | |
624 | ||
625 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
626 | if (type != 0x00000002) | |
627 | { | |
628 | ERR("invalid type for field 3: 0x%08x\n", type); | |
629 | return RPC_S_PROTOCOL_ERROR; | |
630 | } | |
631 | *field3 = *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data); | |
632 | ||
633 | return RPC_S_OK; | |
634 | } | |
635 | ||
636 | RPC_STATUS RPCRT4_ParseHttpFlowControlHeader(RpcPktHdr *header, | |
637 | unsigned char *data, BOOL server, | |
638 | ULONG *bytes_transmitted, | |
639 | ULONG *flow_control_increment, | |
640 | UUID *pipe_uuid) | |
641 | { | |
642 | ULONG type; | |
643 | if (header->http.flags != 0x2) | |
644 | { | |
645 | ERR("invalid flags 0x%x\n", header->http.flags); | |
646 | return RPC_S_PROTOCOL_ERROR; | |
647 | } | |
648 | if (header->http.num_data_items != 2) | |
649 | { | |
650 | ERR("invalid number of data items %d\n", header->http.num_data_items); | |
651 | return RPC_S_PROTOCOL_ERROR; | |
652 | } | |
653 | ||
654 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
655 | if (type != 0x0000000d) | |
656 | { | |
657 | ERR("invalid type for field 1: 0x%08x\n", type); | |
658 | return RPC_S_PROTOCOL_ERROR; | |
659 | } | |
660 | if (*(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data) != (server ? 0x3 : 0x0)) | |
661 | { | |
662 | ERR("invalid type for 0xd field data: 0x%08x\n", *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data)); | |
663 | return RPC_S_PROTOCOL_ERROR; | |
664 | } | |
665 | data = RPCRT4_NextHttpHeaderField(data); | |
666 | ||
667 | type = READ_HTTP_PAYLOAD_FIELD_TYPE(data); | |
668 | if (type != 0x00000001) | |
669 | { | |
670 | ERR("invalid type for field 2: 0x%08x\n", type); | |
671 | return RPC_S_PROTOCOL_ERROR; | |
672 | } | |
673 | *bytes_transmitted = *(ULONG *)GET_HTTP_PAYLOAD_FIELD_DATA(data); | |
674 | *flow_control_increment = *(ULONG *)(GET_HTTP_PAYLOAD_FIELD_DATA(data) + 4); | |
675 | *pipe_uuid = *(UUID *)(GET_HTTP_PAYLOAD_FIELD_DATA(data) + 8); | |
676 | ||
677 | return RPC_S_OK; | |
678 | } | |
679 | ||
680 | ||
deae193a | 681 | RPC_STATUS RPCRT4_default_secure_packet(RpcConnection *Connection, |
51dd6f9f RS |
682 | enum secure_packet_direction dir, |
683 | RpcPktHdr *hdr, unsigned int hdr_size, | |
684 | unsigned char *stub_data, unsigned int stub_data_size, | |
685 | RpcAuthVerifier *auth_hdr, | |
686 | unsigned char *auth_value, unsigned int auth_value_size) | |
687 | { | |
688 | SecBufferDesc message; | |
689 | SecBuffer buffers[4]; | |
690 | SECURITY_STATUS sec_status; | |
691 | ||
692 | message.ulVersion = SECBUFFER_VERSION; | |
693 | message.cBuffers = sizeof(buffers)/sizeof(buffers[0]); | |
694 | message.pBuffers = buffers; | |
695 | ||
696 | buffers[0].cbBuffer = hdr_size; | |
697 | buffers[0].BufferType = SECBUFFER_DATA|SECBUFFER_READONLY_WITH_CHECKSUM; | |
698 | buffers[0].pvBuffer = hdr; | |
699 | buffers[1].cbBuffer = stub_data_size; | |
700 | buffers[1].BufferType = SECBUFFER_DATA; | |
701 | buffers[1].pvBuffer = stub_data; | |
702 | buffers[2].cbBuffer = sizeof(*auth_hdr); | |
703 | buffers[2].BufferType = SECBUFFER_DATA|SECBUFFER_READONLY_WITH_CHECKSUM; | |
704 | buffers[2].pvBuffer = auth_hdr; | |
705 | buffers[3].cbBuffer = auth_value_size; | |
706 | buffers[3].BufferType = SECBUFFER_TOKEN; | |
707 | buffers[3].pvBuffer = auth_value; | |
708 | ||
709 | if (dir == SECURE_PACKET_SEND) | |
710 | { | |
711 | if ((auth_hdr->auth_level == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) && packet_has_body(hdr)) | |
712 | { | |
713 | sec_status = EncryptMessage(&Connection->ctx, 0, &message, 0 /* FIXME */); | |
714 | if (sec_status != SEC_E_OK) | |
715 | { | |
716 | ERR("EncryptMessage failed with 0x%08x\n", sec_status); | |
717 | return RPC_S_SEC_PKG_ERROR; | |
718 | } | |
719 | } | |
720 | else if (auth_hdr->auth_level != RPC_C_AUTHN_LEVEL_NONE) | |
721 | { | |
722 | sec_status = MakeSignature(&Connection->ctx, 0, &message, 0 /* FIXME */); | |
723 | if (sec_status != SEC_E_OK) | |
724 | { | |
725 | ERR("MakeSignature failed with 0x%08x\n", sec_status); | |
726 | return RPC_S_SEC_PKG_ERROR; | |
727 | } | |
728 | } | |
729 | } | |
730 | else if (dir == SECURE_PACKET_RECEIVE) | |
731 | { | |
732 | if ((auth_hdr->auth_level == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) && packet_has_body(hdr)) | |
733 | { | |
734 | sec_status = DecryptMessage(&Connection->ctx, &message, 0 /* FIXME */, 0); | |
735 | if (sec_status != SEC_E_OK) | |
736 | { | |
2eb0e1ce | 737 | ERR("DecryptMessage failed with 0x%08x\n", sec_status); |
51dd6f9f RS |
738 | return RPC_S_SEC_PKG_ERROR; |
739 | } | |
740 | } | |
741 | else if (auth_hdr->auth_level != RPC_C_AUTHN_LEVEL_NONE) | |
742 | { | |
743 | sec_status = VerifySignature(&Connection->ctx, &message, 0 /* FIXME */, NULL); | |
744 | if (sec_status != SEC_E_OK) | |
745 | { | |
746 | ERR("VerifySignature failed with 0x%08x\n", sec_status); | |
747 | return RPC_S_SEC_PKG_ERROR; | |
748 | } | |
749 | } | |
750 | } | |
751 | ||
752 | return RPC_S_OK; | |
753 | } | |
754 | ||
c5580b03 | 755 | /*********************************************************************** |
dec4acd8 | 756 | * RPCRT4_SendWithAuth (internal) |
c5580b03 | 757 | * |
7b5e5b65 | 758 | * Transmit a packet with authorization data over connection in acceptable fragments. |
c5580b03 | 759 | */ |
e27e61db RS |
760 | RPC_STATUS RPCRT4_SendWithAuth(RpcConnection *Connection, RpcPktHdr *Header, |
761 | void *Buffer, unsigned int BufferLength, | |
762 | const void *Auth, unsigned int AuthLength) | |
c5580b03 FN |
763 | { |
764 | PUCHAR buffer_pos; | |
71fc596a MM |
765 | DWORD hdr_size; |
766 | LONG count; | |
0592210b | 767 | unsigned char *pkt; |
51dd6f9f RS |
768 | LONG alen; |
769 | RPC_STATUS status; | |
c5580b03 | 770 | |
a51486c6 RS |
771 | RPCRT4_SetThreadCurrentConnection(Connection); |
772 | ||
c5580b03 FN |
773 | buffer_pos = Buffer; |
774 | /* The packet building functions save the packet header size, so we can use it. */ | |
775 | hdr_size = Header->common.frag_len; | |
51dd6f9f RS |
776 | if (AuthLength) |
777 | Header->common.auth_len = AuthLength; | |
778 | else if (Connection->AuthInfo && packet_has_auth_verifier(Header)) | |
763fe632 RS |
779 | { |
780 | if ((Connection->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) && packet_has_body(Header)) | |
763fe632 | 781 | Header->common.auth_len = Connection->encryption_auth_len; |
173590a6 RS |
782 | else |
783 | Header->common.auth_len = Connection->signature_auth_len; | |
763fe632 | 784 | } |
51dd6f9f RS |
785 | else |
786 | Header->common.auth_len = 0; | |
c5580b03 FN |
787 | Header->common.flags |= RPC_FLG_FIRST; |
788 | Header->common.flags &= ~RPC_FLG_LAST; | |
51dd6f9f RS |
789 | |
790 | alen = RPC_AUTH_VERIFIER_LEN(&Header->common); | |
791 | ||
a4000349 | 792 | while (!(Header->common.flags & RPC_FLG_LAST)) { |
51dd6f9f | 793 | unsigned char auth_pad_len = Header->common.auth_len ? ROUND_UP_AMOUNT(BufferLength, AUTH_ALIGNMENT) : 0; |
3a56eca1 | 794 | unsigned int pkt_size = BufferLength + hdr_size + alen + auth_pad_len; |
5f266c54 | 795 | |
c5580b03 | 796 | /* decide if we need to split the packet into fragments */ |
5f266c54 RS |
797 | if (pkt_size <= Connection->MaxTransmissionSize) { |
798 | Header->common.flags |= RPC_FLG_LAST; | |
799 | Header->common.frag_len = pkt_size; | |
c5580b03 | 800 | } else { |
5f266c54 RS |
801 | auth_pad_len = 0; |
802 | /* make sure packet payload will be a multiple of 16 */ | |
803 | Header->common.frag_len = | |
804 | ((Connection->MaxTransmissionSize - hdr_size - alen) & ~(AUTH_ALIGNMENT-1)) + | |
805 | hdr_size + alen; | |
c5580b03 FN |
806 | } |
807 | ||
7b5e5b65 MM |
808 | pkt = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Header->common.frag_len); |
809 | ||
810 | memcpy(pkt, Header, hdr_size); | |
c5580b03 FN |
811 | |
812 | /* fragment consisted of header only and is the last one */ | |
7b5e5b65 MM |
813 | if (hdr_size == Header->common.frag_len) |
814 | goto write; | |
815 | ||
dd362a62 | 816 | memcpy(pkt + hdr_size, buffer_pos, Header->common.frag_len - hdr_size - auth_pad_len - alen); |
7b5e5b65 MM |
817 | |
818 | /* add the authorization info */ | |
e27e61db | 819 | if (Header->common.auth_len) |
7b5e5b65 | 820 | { |
0592210b | 821 | RpcAuthVerifier *auth_hdr = (RpcAuthVerifier *)&pkt[Header->common.frag_len - alen]; |
7b5e5b65 | 822 | |
0592210b RS |
823 | auth_hdr->auth_type = Connection->AuthInfo->AuthnSvc; |
824 | auth_hdr->auth_level = Connection->AuthInfo->AuthnLevel; | |
825 | auth_hdr->auth_pad_length = auth_pad_len; | |
826 | auth_hdr->auth_reserved = 0; | |
7b5e5b65 | 827 | /* a unique number... */ |
e01420d7 | 828 | auth_hdr->auth_context_id = Connection->auth_context_id; |
0592210b | 829 | |
51dd6f9f RS |
830 | if (AuthLength) |
831 | memcpy(auth_hdr + 1, Auth, AuthLength); | |
832 | else | |
833 | { | |
deae193a | 834 | status = rpcrt4_conn_secure_packet(Connection, SECURE_PACKET_SEND, |
51dd6f9f RS |
835 | (RpcPktHdr *)pkt, hdr_size, |
836 | pkt + hdr_size, Header->common.frag_len - hdr_size - alen, | |
837 | auth_hdr, | |
838 | (unsigned char *)(auth_hdr + 1), Header->common.auth_len); | |
839 | if (status != RPC_S_OK) | |
840 | { | |
841 | HeapFree(GetProcessHeap(), 0, pkt); | |
a51486c6 | 842 | RPCRT4_SetThreadCurrentConnection(NULL); |
51dd6f9f RS |
843 | return status; |
844 | } | |
845 | } | |
c5580b03 FN |
846 | } |
847 | ||
7b5e5b65 MM |
848 | write: |
849 | count = rpcrt4_conn_write(Connection, pkt, Header->common.frag_len); | |
850 | HeapFree(GetProcessHeap(), 0, pkt); | |
71fc596a | 851 | if (count<0) { |
7b5e5b65 | 852 | WARN("rpcrt4_conn_write failed (auth)\n"); |
a51486c6 | 853 | RPCRT4_SetThreadCurrentConnection(NULL); |
34522de8 | 854 | return RPC_S_CALL_FAILED; |
c5580b03 FN |
855 | } |
856 | ||
5f266c54 RS |
857 | buffer_pos += Header->common.frag_len - hdr_size - alen - auth_pad_len; |
858 | BufferLength -= Header->common.frag_len - hdr_size - alen - auth_pad_len; | |
c5580b03 FN |
859 | Header->common.flags &= ~RPC_FLG_FIRST; |
860 | } | |
861 | ||
a51486c6 | 862 | RPCRT4_SetThreadCurrentConnection(NULL); |
c5580b03 FN |
863 | return RPC_S_OK; |
864 | } | |
865 | ||
336e67e2 | 866 | /*********************************************************************** |
deae193a | 867 | * RPCRT4_default_authorize (internal) |
88e9b3fa | 868 | * |
e27e61db | 869 | * Authorize a client connection. |
336e67e2 | 870 | */ |
deae193a RS |
871 | RPC_STATUS RPCRT4_default_authorize(RpcConnection *conn, BOOL first_time, |
872 | unsigned char *in_buffer, | |
873 | unsigned int in_size, | |
874 | unsigned char *out_buffer, | |
875 | unsigned int *out_size) | |
336e67e2 MM |
876 | { |
877 | SECURITY_STATUS r; | |
878 | SecBufferDesc out_desc; | |
88e9b3fa | 879 | SecBufferDesc inp_desc; |
763fe632 RS |
880 | SecPkgContext_Sizes secctx_sizes; |
881 | BOOL continue_needed; | |
e27e61db | 882 | ULONG context_req; |
deae193a RS |
883 | SecBuffer in, out; |
884 | ||
885 | if (!out_buffer) | |
886 | { | |
887 | *out_size = conn->AuthInfo->cbMaxToken; | |
888 | return RPC_S_OK; | |
889 | } | |
336e67e2 | 890 | |
deae193a RS |
891 | in.BufferType = SECBUFFER_TOKEN; |
892 | in.pvBuffer = in_buffer; | |
893 | in.cbBuffer = in_size; | |
894 | ||
895 | out.BufferType = SECBUFFER_TOKEN; | |
896 | out.pvBuffer = out_buffer; | |
897 | out.cbBuffer = *out_size; | |
336e67e2 MM |
898 | |
899 | out_desc.ulVersion = 0; | |
900 | out_desc.cBuffers = 1; | |
deae193a | 901 | out_desc.pBuffers = &out; |
336e67e2 | 902 | |
88e9b3fa | 903 | inp_desc.ulVersion = 0; |
deae193a RS |
904 | inp_desc.cBuffers = 1; |
905 | inp_desc.pBuffers = ∈ | |
88e9b3fa | 906 | |
e27e61db RS |
907 | if (conn->server) |
908 | { | |
909 | context_req = ASC_REQ_CONNECTION | ASC_REQ_USE_DCE_STYLE | | |
910 | ASC_REQ_DELEGATE; | |
911 | ||
912 | if (conn->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_INTEGRITY) | |
913 | context_req |= ASC_REQ_INTEGRITY; | |
914 | else if (conn->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) | |
915 | context_req |= ASC_REQ_CONFIDENTIALITY | ASC_REQ_INTEGRITY; | |
916 | ||
917 | r = AcceptSecurityContext(&conn->AuthInfo->cred, | |
918 | first_time ? NULL : &conn->ctx, | |
919 | &inp_desc, context_req, SECURITY_NETWORK_DREP, | |
920 | &conn->ctx, | |
921 | &out_desc, &conn->attr, &conn->exp); | |
922 | if (r == SEC_E_OK || r == SEC_I_COMPLETE_NEEDED) | |
923 | { | |
924 | /* authorisation done, so nothing more to send */ | |
deae193a | 925 | out.cbBuffer = 0; |
e27e61db RS |
926 | } |
927 | } | |
928 | else | |
929 | { | |
930 | context_req = ISC_REQ_CONNECTION | ISC_REQ_USE_DCE_STYLE | | |
931 | ISC_REQ_MUTUAL_AUTH | ISC_REQ_DELEGATE; | |
932 | ||
933 | if (conn->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_INTEGRITY) | |
934 | context_req |= ISC_REQ_INTEGRITY; | |
935 | else if (conn->AuthInfo->AuthnLevel == RPC_C_AUTHN_LEVEL_PKT_PRIVACY) | |
936 | context_req |= ISC_REQ_CONFIDENTIALITY | ISC_REQ_INTEGRITY; | |
937 | ||
938 | r = InitializeSecurityContextW(&conn->AuthInfo->cred, | |
939 | first_time ? NULL: &conn->ctx, | |
940 | first_time ? conn->AuthInfo->server_principal_name : NULL, | |
941 | context_req, 0, SECURITY_NETWORK_DREP, | |
deae193a | 942 | first_time ? NULL : &inp_desc, 0, &conn->ctx, |
e27e61db RS |
943 | &out_desc, &conn->attr, &conn->exp); |
944 | } | |
88e9b3fa RS |
945 | if (FAILED(r)) |
946 | { | |
88e9b3fa | 947 | WARN("InitializeSecurityContext failed with error 0x%08x\n", r); |
763fe632 | 948 | goto failed; |
88e9b3fa | 949 | } |
336e67e2 | 950 | |
88295b9a | 951 | TRACE("r = 0x%08x, attr = 0x%08x\n", r, conn->attr); |
763fe632 RS |
952 | continue_needed = ((r == SEC_I_CONTINUE_NEEDED) || |
953 | (r == SEC_I_COMPLETE_AND_CONTINUE)); | |
88295b9a RS |
954 | |
955 | if ((r == SEC_I_COMPLETE_NEEDED) || (r == SEC_I_COMPLETE_AND_CONTINUE)) | |
956 | { | |
957 | TRACE("complete needed\n"); | |
958 | r = CompleteAuthToken(&conn->ctx, &out_desc); | |
959 | if (FAILED(r)) | |
960 | { | |
88295b9a | 961 | WARN("CompleteAuthToken failed with error 0x%08x\n", r); |
763fe632 | 962 | goto failed; |
88295b9a RS |
963 | } |
964 | } | |
965 | ||
deae193a | 966 | TRACE("cbBuffer = %d\n", out.cbBuffer); |
336e67e2 | 967 | |
763fe632 RS |
968 | if (!continue_needed) |
969 | { | |
970 | r = QueryContextAttributesA(&conn->ctx, SECPKG_ATTR_SIZES, &secctx_sizes); | |
971 | if (FAILED(r)) | |
972 | { | |
973 | WARN("QueryContextAttributes failed with error 0x%08x\n", r); | |
974 | goto failed; | |
975 | } | |
976 | conn->signature_auth_len = secctx_sizes.cbMaxSignature; | |
977 | conn->encryption_auth_len = secctx_sizes.cbSecurityTrailer; | |
978 | } | |
979 | ||
deae193a | 980 | *out_size = out.cbBuffer; |
88e9b3fa | 981 | return RPC_S_OK; |
763fe632 RS |
982 | |
983 | failed: | |
deae193a | 984 | *out_size = 0; |
763fe632 | 985 | return ERROR_ACCESS_DENIED; /* FIXME: is this correct? */ |
336e67e2 MM |
986 | } |
987 | ||
988 | /*********************************************************************** | |
e27e61db | 989 | * RPCRT4_ClientConnectionAuth (internal) |
336e67e2 | 990 | */ |
e27e61db RS |
991 | RPC_STATUS RPCRT4_ClientConnectionAuth(RpcConnection* conn, BYTE *challenge, |
992 | ULONG count) | |
336e67e2 | 993 | { |
336e67e2 MM |
994 | RpcPktHdr *resp_hdr; |
995 | RPC_STATUS status; | |
deae193a RS |
996 | unsigned char *out_buffer; |
997 | unsigned int out_len = 0; | |
336e67e2 | 998 | |
de21efba | 999 | TRACE("challenge %s, %d bytes\n", challenge, count); |
336e67e2 | 1000 | |
deae193a RS |
1001 | status = rpcrt4_conn_authorize(conn, FALSE, challenge, count, NULL, &out_len); |
1002 | if (status) return status; | |
1003 | out_buffer = HeapAlloc(GetProcessHeap(), 0, out_len); | |
1004 | if (!out_buffer) return RPC_S_OUT_OF_RESOURCES; | |
1005 | status = rpcrt4_conn_authorize(conn, FALSE, challenge, count, out_buffer, &out_len); | |
88e9b3fa | 1006 | if (status) return status; |
336e67e2 MM |
1007 | |
1008 | resp_hdr = RPCRT4_BuildAuthHeader(NDR_LOCAL_DATA_REPRESENTATION); | |
336e67e2 | 1009 | |
deae193a RS |
1010 | if (resp_hdr) |
1011 | status = RPCRT4_SendWithAuth(conn, resp_hdr, NULL, 0, out_buffer, out_len); | |
1012 | else | |
1013 | status = RPC_S_OUT_OF_RESOURCES; | |
336e67e2 | 1014 | |
deae193a | 1015 | HeapFree(GetProcessHeap(), 0, out_buffer); |
336e67e2 MM |
1016 | RPCRT4_FreeHeader(resp_hdr); |
1017 | ||
1018 | return status; | |
1019 | } | |
1020 | ||
e27e61db RS |
1021 | /*********************************************************************** |
1022 | * RPCRT4_ServerConnectionAuth (internal) | |
1023 | */ | |
1024 | RPC_STATUS RPCRT4_ServerConnectionAuth(RpcConnection* conn, | |
1025 | BOOL start, | |
1026 | RpcAuthVerifier *auth_data_in, | |
1027 | ULONG auth_length_in, | |
1028 | unsigned char **auth_data_out, | |
1029 | ULONG *auth_length_out) | |
1030 | { | |
deae193a RS |
1031 | unsigned char *out_buffer; |
1032 | unsigned int out_size; | |
e27e61db RS |
1033 | RPC_STATUS status; |
1034 | ||
1035 | if (start) | |
1036 | { | |
1037 | /* remove any existing authentication information */ | |
1038 | if (conn->AuthInfo) | |
1039 | { | |
1040 | RpcAuthInfo_Release(conn->AuthInfo); | |
1041 | conn->AuthInfo = NULL; | |
1042 | } | |
1043 | if (SecIsValidHandle(&conn->ctx)) | |
1044 | { | |
1045 | DeleteSecurityContext(&conn->ctx); | |
1046 | SecInvalidateHandle(&conn->ctx); | |
1047 | } | |
1048 | if (auth_length_in >= sizeof(RpcAuthVerifier)) | |
1049 | { | |
1050 | CredHandle cred; | |
1051 | TimeStamp exp; | |
1052 | ULONG max_token; | |
1053 | ||
1054 | status = RPCRT4_ServerGetRegisteredAuthInfo( | |
1055 | auth_data_in->auth_type, &cred, &exp, &max_token); | |
1056 | if (status != RPC_S_OK) | |
1057 | { | |
1058 | ERR("unknown authentication service %u\n", auth_data_in->auth_type); | |
1059 | return status; | |
1060 | } | |
1061 | ||
1062 | status = RpcAuthInfo_Create(auth_data_in->auth_level, | |
1063 | auth_data_in->auth_type, cred, exp, | |
1064 | max_token, NULL, &conn->AuthInfo); | |
1065 | if (status != RPC_S_OK) | |
1066 | return status; | |
1067 | ||
1068 | /* FIXME: should auth_data_in->auth_context_id be checked in the !start case? */ | |
1069 | conn->auth_context_id = auth_data_in->auth_context_id; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | if (auth_length_in < sizeof(RpcAuthVerifier)) | |
1074 | return RPC_S_OK; | |
1075 | ||
1076 | if (!conn->AuthInfo) | |
1077 | /* should have filled in authentication info by now */ | |
1078 | return RPC_S_PROTOCOL_ERROR; | |
1079 | ||
deae193a RS |
1080 | status = rpcrt4_conn_authorize( |
1081 | conn, start, (unsigned char *)(auth_data_in + 1), | |
1082 | auth_length_in - sizeof(RpcAuthVerifier), NULL, &out_size); | |
e27e61db RS |
1083 | if (status) return status; |
1084 | ||
deae193a RS |
1085 | out_buffer = HeapAlloc(GetProcessHeap(), 0, out_size); |
1086 | if (!out_buffer) return RPC_S_OUT_OF_RESOURCES; | |
1087 | ||
1088 | status = rpcrt4_conn_authorize( | |
1089 | conn, start, (unsigned char *)(auth_data_in + 1), | |
1090 | auth_length_in - sizeof(RpcAuthVerifier), out_buffer, &out_size); | |
1091 | if (status != RPC_S_OK) | |
1092 | { | |
1093 | HeapFree(GetProcessHeap(), 0, out_buffer); | |
1094 | return status; | |
1095 | } | |
1096 | ||
1097 | if (out_size && !auth_length_out) | |
e27e61db RS |
1098 | { |
1099 | ERR("expected authentication to be complete but SSP returned data of " | |
deae193a RS |
1100 | "%u bytes to be sent back to client\n", out_size); |
1101 | HeapFree(GetProcessHeap(), 0, out_buffer); | |
e27e61db RS |
1102 | return RPC_S_SEC_PKG_ERROR; |
1103 | } | |
1104 | else | |
1105 | { | |
deae193a RS |
1106 | *auth_data_out = out_buffer; |
1107 | *auth_length_out = out_size; | |
e27e61db RS |
1108 | } |
1109 | ||
1110 | return status; | |
1111 | } | |
1112 | ||
deae193a RS |
1113 | /*********************************************************************** |
1114 | * RPCRT4_default_is_authorized (internal) | |
1115 | * | |
1116 | * Has a connection started the process of authorizing with the server? | |
1117 | */ | |
1118 | BOOL RPCRT4_default_is_authorized(RpcConnection *Connection) | |
1119 | { | |
1120 | return Connection->AuthInfo && SecIsValidHandle(&Connection->ctx); | |
1121 | } | |
1122 | ||
d918587f RS |
1123 | /*********************************************************************** |
1124 | * RPCRT4_default_impersonate_client (internal) | |
1125 | * | |
1126 | */ | |
1127 | RPC_STATUS RPCRT4_default_impersonate_client(RpcConnection *conn) | |
1128 | { | |
1129 | SECURITY_STATUS sec_status; | |
1130 | ||
1131 | TRACE("(%p)\n", conn); | |
1132 | ||
1133 | if (!conn->AuthInfo || !SecIsValidHandle(&conn->ctx)) | |
1134 | return RPC_S_NO_CONTEXT_AVAILABLE; | |
1135 | sec_status = ImpersonateSecurityContext(&conn->ctx); | |
1136 | if (sec_status != SEC_E_OK) | |
1137 | WARN("ImpersonateSecurityContext returned 0x%08x\n", sec_status); | |
1138 | switch (sec_status) | |
1139 | { | |
1140 | case SEC_E_UNSUPPORTED_FUNCTION: | |
1141 | return RPC_S_CANNOT_SUPPORT; | |
1142 | case SEC_E_NO_IMPERSONATION: | |
1143 | return RPC_S_NO_CONTEXT_AVAILABLE; | |
1144 | case SEC_E_OK: | |
1145 | return RPC_S_OK; | |
1146 | default: | |
1147 | return RPC_S_SEC_PKG_ERROR; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | /*********************************************************************** | |
1152 | * RPCRT4_default_revert_to_self (internal) | |
1153 | * | |
1154 | */ | |
1155 | RPC_STATUS RPCRT4_default_revert_to_self(RpcConnection *conn) | |
1156 | { | |
1157 | SECURITY_STATUS sec_status; | |
1158 | ||
1159 | TRACE("(%p)\n", conn); | |
1160 | ||
1161 | if (!conn->AuthInfo || !SecIsValidHandle(&conn->ctx)) | |
1162 | return RPC_S_NO_CONTEXT_AVAILABLE; | |
1163 | sec_status = RevertSecurityContext(&conn->ctx); | |
1164 | if (sec_status != SEC_E_OK) | |
1165 | WARN("RevertSecurityContext returned 0x%08x\n", sec_status); | |
1166 | switch (sec_status) | |
1167 | { | |
1168 | case SEC_E_UNSUPPORTED_FUNCTION: | |
1169 | return RPC_S_CANNOT_SUPPORT; | |
1170 | case SEC_E_NO_IMPERSONATION: | |
1171 | return RPC_S_NO_CONTEXT_AVAILABLE; | |
1172 | case SEC_E_OK: | |
1173 | return RPC_S_OK; | |
1174 | default: | |
1175 | return RPC_S_SEC_PKG_ERROR; | |
1176 | } | |
1177 | } | |
1178 | ||
3dbf356f RS |
1179 | /*********************************************************************** |
1180 | * RPCRT4_default_inquire_auth_client (internal) | |
1181 | * | |
1182 | * Default function to retrieve the authentication details that the client | |
1183 | * is using to call the server. | |
1184 | */ | |
1185 | RPC_STATUS RPCRT4_default_inquire_auth_client( | |
1186 | RpcConnection *conn, RPC_AUTHZ_HANDLE *privs, RPC_WSTR *server_princ_name, | |
1187 | ULONG *authn_level, ULONG *authn_svc, ULONG *authz_svc, ULONG flags) | |
1188 | { | |
1189 | if (!conn->AuthInfo) return RPC_S_BINDING_HAS_NO_AUTH; | |
1190 | ||
1191 | if (privs) | |
1192 | { | |
1193 | FIXME("privs not implemented\n"); | |
1194 | *privs = NULL; | |
1195 | } | |
1196 | if (server_princ_name) | |
1197 | { | |
1198 | *server_princ_name = RPCRT4_strdupW(conn->AuthInfo->server_principal_name); | |
1199 | if (!*server_princ_name) return ERROR_OUTOFMEMORY; | |
1200 | } | |
1201 | if (authn_level) *authn_level = conn->AuthInfo->AuthnLevel; | |
1202 | if (authn_svc) *authn_svc = conn->AuthInfo->AuthnSvc; | |
1203 | if (authz_svc) | |
1204 | { | |
1205 | FIXME("authorization service not implemented\n"); | |
1206 | *authz_svc = RPC_C_AUTHZ_NONE; | |
1207 | } | |
1208 | if (flags) | |
1209 | FIXME("flags 0x%x not implemented\n", flags); | |
1210 | ||
1211 | return RPC_S_OK; | |
1212 | } | |
1213 | ||
7b5e5b65 MM |
1214 | /*********************************************************************** |
1215 | * RPCRT4_Send (internal) | |
1216 | * | |
1217 | * Transmit a packet over connection in acceptable fragments. | |
1218 | */ | |
1219 | RPC_STATUS RPCRT4_Send(RpcConnection *Connection, RpcPktHdr *Header, | |
1220 | void *Buffer, unsigned int BufferLength) | |
1221 | { | |
336e67e2 | 1222 | RPC_STATUS r; |
336e67e2 | 1223 | |
e27e61db | 1224 | if (packet_does_auth_negotiation(Header) && |
deae193a RS |
1225 | Connection->AuthInfo && |
1226 | !rpcrt4_conn_is_authorized(Connection)) | |
336e67e2 | 1227 | { |
deae193a RS |
1228 | unsigned int out_size = 0; |
1229 | unsigned char *out_buffer; | |
1230 | ||
1231 | r = rpcrt4_conn_authorize(Connection, TRUE, NULL, 0, NULL, &out_size); | |
1232 | if (r != RPC_S_OK) return r; | |
1233 | ||
1234 | out_buffer = HeapAlloc(GetProcessHeap(), 0, out_size); | |
1235 | if (!out_buffer) return RPC_S_OUT_OF_RESOURCES; | |
1236 | ||
e27e61db | 1237 | /* tack on a negotiate packet */ |
deae193a | 1238 | r = rpcrt4_conn_authorize(Connection, TRUE, NULL, 0, out_buffer, &out_size); |
e27e61db | 1239 | if (r == RPC_S_OK) |
deae193a RS |
1240 | r = RPCRT4_SendWithAuth(Connection, Header, Buffer, BufferLength, out_buffer, out_size); |
1241 | ||
1242 | HeapFree(GetProcessHeap(), 0, out_buffer); | |
7277113a | 1243 | } |
e27e61db RS |
1244 | else |
1245 | r = RPCRT4_SendWithAuth(Connection, Header, Buffer, BufferLength, NULL, 0); | |
336e67e2 MM |
1246 | |
1247 | return r; | |
7b5e5b65 MM |
1248 | } |
1249 | ||
2b0d3b74 | 1250 | /* validates version and frag_len fields */ |
5f6ae94a | 1251 | RPC_STATUS RPCRT4_ValidateCommonHeader(const RpcPktCommonHdr *hdr) |
2b0d3b74 RS |
1252 | { |
1253 | DWORD hdr_length; | |
1254 | ||
1255 | /* verify if the header really makes sense */ | |
1256 | if (hdr->rpc_ver != RPC_VER_MAJOR || | |
1257 | hdr->rpc_ver_minor != RPC_VER_MINOR) | |
1258 | { | |
1259 | WARN("unhandled packet version\n"); | |
1260 | return RPC_S_PROTOCOL_ERROR; | |
1261 | } | |
1262 | ||
1263 | hdr_length = RPCRT4_GetHeaderSize((const RpcPktHdr*)hdr); | |
1264 | if (hdr_length == 0) | |
1265 | { | |
1266 | WARN("header length == 0\n"); | |
1267 | return RPC_S_PROTOCOL_ERROR; | |
1268 | } | |
1269 | ||
1270 | if (hdr->frag_len < hdr_length) | |
1271 | { | |
1272 | WARN("bad frag length %d\n", hdr->frag_len); | |
1273 | return RPC_S_PROTOCOL_ERROR; | |
1274 | } | |
1275 | ||
1276 | return RPC_S_OK; | |
1277 | } | |
1278 | ||
c5580b03 | 1279 | /*********************************************************************** |
5f6ae94a | 1280 | * RPCRT4_default_receive_fragment (internal) |
c5580b03 | 1281 | * |
2b0d3b74 | 1282 | * Receive a fragment from a connection. |
c5580b03 | 1283 | */ |
ef5f1f50 | 1284 | static RPC_STATUS RPCRT4_default_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload) |
c5580b03 FN |
1285 | { |
1286 | RPC_STATUS status; | |
9a4abffa MM |
1287 | DWORD hdr_length; |
1288 | LONG dwRead; | |
c5580b03 FN |
1289 | RpcPktCommonHdr common_hdr; |
1290 | ||
1291 | *Header = NULL; | |
2b0d3b74 | 1292 | *Payload = NULL; |
c5580b03 | 1293 | |
2b0d3b74 | 1294 | TRACE("(%p, %p, %p)\n", Connection, Header, Payload); |
a51486c6 | 1295 | |
c5580b03 | 1296 | /* read packet common header */ |
9a4abffa | 1297 | dwRead = rpcrt4_conn_read(Connection, &common_hdr, sizeof(common_hdr)); |
c5580b03 | 1298 | if (dwRead != sizeof(common_hdr)) { |
de21efba | 1299 | WARN("Short read of header, %d bytes\n", dwRead); |
34522de8 | 1300 | status = RPC_S_CALL_FAILED; |
c5580b03 FN |
1301 | goto fail; |
1302 | } | |
1303 | ||
2b0d3b74 RS |
1304 | status = RPCRT4_ValidateCommonHeader(&common_hdr); |
1305 | if (status != RPC_S_OK) goto fail; | |
c5580b03 FN |
1306 | |
1307 | hdr_length = RPCRT4_GetHeaderSize((RpcPktHdr*)&common_hdr); | |
1308 | if (hdr_length == 0) { | |
b24193c3 | 1309 | WARN("header length == 0\n"); |
c5580b03 FN |
1310 | status = RPC_S_PROTOCOL_ERROR; |
1311 | goto fail; | |
1312 | } | |
1313 | ||
1314 | *Header = HeapAlloc(GetProcessHeap(), 0, hdr_length); | |
1315 | memcpy(*Header, &common_hdr, sizeof(common_hdr)); | |
1316 | ||
1317 | /* read the rest of packet header */ | |
9a4abffa | 1318 | dwRead = rpcrt4_conn_read(Connection, &(*Header)->common + 1, hdr_length - sizeof(common_hdr)); |
c5580b03 | 1319 | if (dwRead != hdr_length - sizeof(common_hdr)) { |
e9d5e550 | 1320 | WARN("bad header length, %d bytes, hdr_length %d\n", dwRead, hdr_length); |
34522de8 | 1321 | status = RPC_S_CALL_FAILED; |
c5580b03 FN |
1322 | goto fail; |
1323 | } | |
1324 | ||
2b0d3b74 RS |
1325 | if (common_hdr.frag_len - hdr_length) |
1326 | { | |
1327 | *Payload = HeapAlloc(GetProcessHeap(), 0, common_hdr.frag_len - hdr_length); | |
1328 | if (!*Payload) | |
1329 | { | |
1330 | status = RPC_S_OUT_OF_RESOURCES; | |
1331 | goto fail; | |
1332 | } | |
1333 | ||
1334 | dwRead = rpcrt4_conn_read(Connection, *Payload, common_hdr.frag_len - hdr_length); | |
1335 | if (dwRead != common_hdr.frag_len - hdr_length) | |
1336 | { | |
1337 | WARN("bad data length, %d/%d\n", dwRead, common_hdr.frag_len - hdr_length); | |
1338 | status = RPC_S_CALL_FAILED; | |
1339 | goto fail; | |
1340 | } | |
1341 | } | |
1342 | else | |
1343 | *Payload = NULL; | |
1344 | ||
1345 | /* success */ | |
1346 | status = RPC_S_OK; | |
1347 | ||
1348 | fail: | |
1349 | if (status != RPC_S_OK) { | |
1350 | RPCRT4_FreeHeader(*Header); | |
1351 | *Header = NULL; | |
1352 | HeapFree(GetProcessHeap(), 0, *Payload); | |
1353 | *Payload = NULL; | |
1354 | } | |
1355 | return status; | |
1356 | } | |
1357 | ||
5f6ae94a RS |
1358 | static RPC_STATUS RPCRT4_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload) |
1359 | { | |
1360 | if (Connection->ops->receive_fragment) | |
1361 | return Connection->ops->receive_fragment(Connection, Header, Payload); | |
1362 | else | |
1363 | return RPCRT4_default_receive_fragment(Connection, Header, Payload); | |
1364 | } | |
1365 | ||
2b0d3b74 | 1366 | /*********************************************************************** |
6bb03d7d | 1367 | * RPCRT4_ReceiveWithAuth (internal) |
2b0d3b74 | 1368 | * |
6bb03d7d RS |
1369 | * Receive a packet from connection, merge the fragments and return the auth |
1370 | * data. | |
2b0d3b74 | 1371 | */ |
6bb03d7d RS |
1372 | RPC_STATUS RPCRT4_ReceiveWithAuth(RpcConnection *Connection, RpcPktHdr **Header, |
1373 | PRPC_MESSAGE pMsg, | |
1374 | unsigned char **auth_data_out, | |
8de02428 | 1375 | ULONG *auth_length_out) |
2b0d3b74 RS |
1376 | { |
1377 | RPC_STATUS status; | |
1378 | DWORD hdr_length; | |
1379 | unsigned short first_flag; | |
8de02428 AJ |
1380 | ULONG data_length; |
1381 | ULONG buffer_length; | |
1382 | ULONG auth_length = 0; | |
2b0d3b74 | 1383 | unsigned char *auth_data = NULL; |
20dcbc3d | 1384 | RpcPktHdr *CurrentHeader = NULL; |
2b0d3b74 RS |
1385 | void *payload = NULL; |
1386 | ||
1387 | *Header = NULL; | |
8e667fd8 | 1388 | pMsg->Buffer = NULL; |
e27e61db RS |
1389 | if (auth_data_out) *auth_data_out = NULL; |
1390 | if (auth_length_out) *auth_length_out = 0; | |
2b0d3b74 | 1391 | |
6bb03d7d | 1392 | TRACE("(%p, %p, %p, %p)\n", Connection, Header, pMsg, auth_data_out); |
2b0d3b74 RS |
1393 | |
1394 | RPCRT4_SetThreadCurrentConnection(Connection); | |
1395 | ||
1396 | status = RPCRT4_receive_fragment(Connection, Header, &payload); | |
1397 | if (status != RPC_S_OK) goto fail; | |
1398 | ||
1399 | hdr_length = RPCRT4_GetHeaderSize(*Header); | |
1400 | ||
c5580b03 | 1401 | /* read packet body */ |
2b0d3b74 | 1402 | switch ((*Header)->common.ptype) { |
c5580b03 FN |
1403 | case PKT_RESPONSE: |
1404 | pMsg->BufferLength = (*Header)->response.alloc_hint; | |
1405 | break; | |
1406 | case PKT_REQUEST: | |
1407 | pMsg->BufferLength = (*Header)->request.alloc_hint; | |
1408 | break; | |
1409 | default: | |
2b0d3b74 | 1410 | pMsg->BufferLength = (*Header)->common.frag_len - hdr_length - RPC_AUTH_VERIFIER_LEN(&(*Header)->common); |
c5580b03 | 1411 | } |
b24193c3 RS |
1412 | |
1413 | TRACE("buffer length = %u\n", pMsg->BufferLength); | |
1414 | ||
d0f914be RS |
1415 | pMsg->Buffer = I_RpcAllocate(pMsg->BufferLength); |
1416 | if (!pMsg->Buffer) | |
1417 | { | |
1418 | status = ERROR_OUTOFMEMORY; | |
1419 | goto fail; | |
1420 | } | |
c5580b03 FN |
1421 | |
1422 | first_flag = RPC_FLG_FIRST; | |
2b0d3b74 | 1423 | auth_length = (*Header)->common.auth_len; |
28d3bd3e | 1424 | if (auth_length) { |
2b0d3b74 | 1425 | auth_data = HeapAlloc(GetProcessHeap(), 0, RPC_AUTH_VERIFIER_LEN(&(*Header)->common)); |
28d3bd3e | 1426 | if (!auth_data) { |
34522de8 | 1427 | status = RPC_S_OUT_OF_RESOURCES; |
28d3bd3e RS |
1428 | goto fail; |
1429 | } | |
1430 | } | |
2b0d3b74 | 1431 | CurrentHeader = *Header; |
c5580b03 | 1432 | buffer_length = 0; |
fbe829cb | 1433 | while (TRUE) |
c5580b03 | 1434 | { |
2b0d3b74 | 1435 | unsigned int header_auth_len = RPC_AUTH_VERIFIER_LEN(&CurrentHeader->common); |
28d3bd3e RS |
1436 | |
1437 | /* verify header fields */ | |
1438 | ||
2b0d3b74 RS |
1439 | if ((CurrentHeader->common.frag_len < hdr_length) || |
1440 | (CurrentHeader->common.frag_len - hdr_length < header_auth_len)) { | |
de21efba | 1441 | WARN("frag_len %d too small for hdr_length %d and auth_len %d\n", |
2b0d3b74 | 1442 | CurrentHeader->common.frag_len, hdr_length, CurrentHeader->common.auth_len); |
28d3bd3e RS |
1443 | status = RPC_S_PROTOCOL_ERROR; |
1444 | goto fail; | |
1445 | } | |
1446 | ||
3024b530 | 1447 | if (CurrentHeader->common.auth_len != auth_length) { |
8de02428 | 1448 | WARN("auth_len header field changed from %d to %d\n", |
3024b530 | 1449 | auth_length, CurrentHeader->common.auth_len); |
28d3bd3e RS |
1450 | status = RPC_S_PROTOCOL_ERROR; |
1451 | goto fail; | |
1452 | } | |
1453 | ||
3024b530 | 1454 | if ((CurrentHeader->common.flags & RPC_FLG_FIRST) != first_flag) { |
709b536f | 1455 | TRACE("invalid packet flags\n"); |
c5580b03 FN |
1456 | status = RPC_S_PROTOCOL_ERROR; |
1457 | goto fail; | |
1458 | } | |
1459 | ||
2b0d3b74 | 1460 | data_length = CurrentHeader->common.frag_len - hdr_length - header_auth_len; |
709b536f | 1461 | if (data_length + buffer_length > pMsg->BufferLength) { |
8de02428 | 1462 | TRACE("allocation hint exceeded, new buffer length = %d\n", |
709b536f RS |
1463 | data_length + buffer_length); |
1464 | pMsg->BufferLength = data_length + buffer_length; | |
1465 | status = I_RpcReAllocateBuffer(pMsg); | |
1466 | if (status != RPC_S_OK) goto fail; | |
1467 | } | |
1468 | ||
2b0d3b74 | 1469 | memcpy((unsigned char *)pMsg->Buffer + buffer_length, payload, data_length); |
c5580b03 | 1470 | |
28d3bd3e | 1471 | if (header_auth_len) { |
2b0d3b74 RS |
1472 | if (header_auth_len < sizeof(RpcAuthVerifier) || |
1473 | header_auth_len > RPC_AUTH_VERIFIER_LEN(&(*Header)->common)) { | |
51dd6f9f RS |
1474 | WARN("bad auth verifier length %d\n", header_auth_len); |
1475 | status = RPC_S_PROTOCOL_ERROR; | |
1476 | goto fail; | |
1477 | } | |
1478 | ||
28d3bd3e RS |
1479 | /* FIXME: we should accumulate authentication data for the bind, |
1480 | * bind_ack, alter_context and alter_context_response if necessary. | |
1481 | * however, the details of how this is done is very sketchy in the | |
1482 | * DCE/RPC spec. for all other packet types that have authentication | |
1483 | * verifier data then it is just duplicated in all the fragments */ | |
2b0d3b74 | 1484 | memcpy(auth_data, (unsigned char *)payload + data_length, header_auth_len); |
51dd6f9f RS |
1485 | |
1486 | /* these packets are handled specially, not by the generic SecurePacket | |
1487 | * function */ | |
deae193a | 1488 | if (!packet_does_auth_negotiation(*Header) && rpcrt4_conn_is_authorized(Connection)) |
e0e27e4d | 1489 | { |
deae193a | 1490 | status = rpcrt4_conn_secure_packet(Connection, SECURE_PACKET_RECEIVE, |
2b0d3b74 | 1491 | CurrentHeader, hdr_length, |
51dd6f9f RS |
1492 | (unsigned char *)pMsg->Buffer + buffer_length, data_length, |
1493 | (RpcAuthVerifier *)auth_data, | |
3c14ae66 | 1494 | auth_data + sizeof(RpcAuthVerifier), |
51dd6f9f | 1495 | header_auth_len - sizeof(RpcAuthVerifier)); |
e0e27e4d RS |
1496 | if (status != RPC_S_OK) goto fail; |
1497 | } | |
28d3bd3e RS |
1498 | } |
1499 | ||
c5580b03 | 1500 | buffer_length += data_length; |
2b0d3b74 | 1501 | if (!(CurrentHeader->common.flags & RPC_FLG_LAST)) { |
c5580b03 FN |
1502 | TRACE("next header\n"); |
1503 | ||
2b0d3b74 RS |
1504 | if (*Header != CurrentHeader) |
1505 | { | |
1506 | RPCRT4_FreeHeader(CurrentHeader); | |
1507 | CurrentHeader = NULL; | |
c5580b03 | 1508 | } |
2b0d3b74 RS |
1509 | HeapFree(GetProcessHeap(), 0, payload); |
1510 | payload = NULL; | |
1511 | ||
1512 | status = RPCRT4_receive_fragment(Connection, &CurrentHeader, &payload); | |
1513 | if (status != RPC_S_OK) goto fail; | |
c5580b03 | 1514 | |
c5580b03 | 1515 | first_flag = 0; |
fbe829cb RS |
1516 | } else { |
1517 | break; | |
c5580b03 FN |
1518 | } |
1519 | } | |
fbe829cb | 1520 | pMsg->BufferLength = buffer_length; |
c5580b03 FN |
1521 | |
1522 | /* success */ | |
1523 | status = RPC_S_OK; | |
1524 | ||
1525 | fail: | |
a51486c6 | 1526 | RPCRT4_SetThreadCurrentConnection(NULL); |
2b0d3b74 RS |
1527 | if (CurrentHeader != *Header) |
1528 | RPCRT4_FreeHeader(CurrentHeader); | |
56b87f3a | 1529 | if (status != RPC_S_OK) { |
8e667fd8 RS |
1530 | I_RpcFree(pMsg->Buffer); |
1531 | pMsg->Buffer = NULL; | |
c5580b03 FN |
1532 | RPCRT4_FreeHeader(*Header); |
1533 | *Header = NULL; | |
1534 | } | |
6bb03d7d RS |
1535 | if (auth_data_out && status == RPC_S_OK) { |
1536 | *auth_length_out = auth_length; | |
1537 | *auth_data_out = auth_data; | |
1538 | } | |
1539 | else | |
1540 | HeapFree(GetProcessHeap(), 0, auth_data); | |
2b0d3b74 | 1541 | HeapFree(GetProcessHeap(), 0, payload); |
c5580b03 FN |
1542 | return status; |
1543 | } | |
1544 | ||
6bb03d7d RS |
1545 | /*********************************************************************** |
1546 | * RPCRT4_Receive (internal) | |
1547 | * | |
1548 | * Receive a packet from connection and merge the fragments. | |
1549 | */ | |
99c5ca7e FG |
1550 | static RPC_STATUS RPCRT4_Receive(RpcConnection *Connection, RpcPktHdr **Header, |
1551 | PRPC_MESSAGE pMsg) | |
6bb03d7d RS |
1552 | { |
1553 | return RPCRT4_ReceiveWithAuth(Connection, Header, pMsg, NULL, NULL); | |
1554 | } | |
1555 | ||
d0f914be RS |
1556 | /*********************************************************************** |
1557 | * I_RpcNegotiateTransferSyntax [RPCRT4.@] | |
1558 | * | |
1559 | * Negotiates the transfer syntax used by a client connection by connecting | |
1560 | * to the server. | |
1561 | * | |
1562 | * PARAMS | |
1563 | * pMsg [I] RPC Message structure. | |
1564 | * pAsync [I] Asynchronous state to set. | |
1565 | * | |
1566 | * RETURNS | |
1567 | * Success: RPC_S_OK. | |
1568 | * Failure: Any error code. | |
1569 | */ | |
1570 | RPC_STATUS WINAPI I_RpcNegotiateTransferSyntax(PRPC_MESSAGE pMsg) | |
1571 | { | |
e3bb1c82 | 1572 | RpcBinding* bind = pMsg->Handle; |
d0f914be RS |
1573 | RpcConnection* conn; |
1574 | RPC_STATUS status = RPC_S_OK; | |
1575 | ||
1576 | TRACE("(%p)\n", pMsg); | |
1577 | ||
1578 | if (!bind || bind->server) | |
be9909ad RS |
1579 | { |
1580 | ERR("no binding\n"); | |
d0f914be | 1581 | return RPC_S_INVALID_BINDING; |
be9909ad | 1582 | } |
d0f914be RS |
1583 | |
1584 | /* if we already have a connection, we don't need to negotiate again */ | |
1585 | if (!pMsg->ReservedForRuntime) | |
1586 | { | |
1587 | RPC_CLIENT_INTERFACE *cif = pMsg->RpcInterfaceInformation; | |
1588 | if (!cif) return RPC_S_INTERFACE_NOT_FOUND; | |
1589 | ||
1590 | if (!bind->Endpoint || !bind->Endpoint[0]) | |
1591 | { | |
1592 | TRACE("automatically resolving partially bound binding\n"); | |
1593 | status = RpcEpResolveBinding(bind, cif); | |
1594 | if (status != RPC_S_OK) return status; | |
1595 | } | |
1596 | ||
1597 | status = RPCRT4_OpenBinding(bind, &conn, &cif->TransferSyntax, | |
1598 | &cif->InterfaceId); | |
1599 | ||
1600 | if (status == RPC_S_OK) | |
8aeb2858 | 1601 | { |
d0f914be | 1602 | pMsg->ReservedForRuntime = conn; |
8aeb2858 RS |
1603 | RPCRT4_AddRefBinding(bind); |
1604 | } | |
d0f914be RS |
1605 | } |
1606 | ||
1607 | return status; | |
1608 | } | |
1609 | ||
0a17edf3 OK |
1610 | /*********************************************************************** |
1611 | * I_RpcGetBuffer [RPCRT4.@] | |
b491d926 RS |
1612 | * |
1613 | * Allocates a buffer for use by I_RpcSend or I_RpcSendReceive and binds to the | |
1614 | * server interface. | |
1615 | * | |
1616 | * PARAMS | |
1617 | * pMsg [I/O] RPC message information. | |
1618 | * | |
1619 | * RETURNS | |
1620 | * Success: RPC_S_OK. | |
1621 | * Failure: RPC_S_INVALID_BINDING if pMsg->Handle is invalid. | |
1622 | * RPC_S_SERVER_UNAVAILABLE if unable to connect to server. | |
1623 | * ERROR_OUTOFMEMORY if buffer allocation failed. | |
1624 | * | |
1625 | * NOTES | |
1626 | * The pMsg->BufferLength field determines the size of the buffer to allocate, | |
1627 | * in bytes. | |
1628 | * | |
1629 | * Use I_RpcFreeBuffer() to unbind from the server and free the message buffer. | |
1630 | * | |
1631 | * SEE ALSO | |
1632 | * I_RpcFreeBuffer(), I_RpcSend(), I_RpcReceive(), I_RpcSendReceive(). | |
0a17edf3 OK |
1633 | */ |
1634 | RPC_STATUS WINAPI I_RpcGetBuffer(PRPC_MESSAGE pMsg) | |
1635 | { | |
d0f914be | 1636 | RPC_STATUS status; |
e3bb1c82 | 1637 | RpcBinding* bind = pMsg->Handle; |
d0f914be | 1638 | |
def211c4 | 1639 | TRACE("(%p): BufferLength=%d\n", pMsg, pMsg->BufferLength); |
c9e4ef73 | 1640 | |
d0f914be | 1641 | if (!bind) |
be9909ad RS |
1642 | { |
1643 | ERR("no binding\n"); | |
d0f914be | 1644 | return RPC_S_INVALID_BINDING; |
be9909ad | 1645 | } |
d0f914be RS |
1646 | |
1647 | pMsg->Buffer = I_RpcAllocate(pMsg->BufferLength); | |
d1d89a64 | 1648 | TRACE("Buffer=%p\n", pMsg->Buffer); |
d0f914be RS |
1649 | |
1650 | if (!pMsg->Buffer) | |
1651 | return ERROR_OUTOFMEMORY; | |
1652 | ||
1653 | if (!bind->server) | |
1654 | { | |
1655 | status = I_RpcNegotiateTransferSyntax(pMsg); | |
1656 | if (status != RPC_S_OK) | |
1657 | I_RpcFree(pMsg->Buffer); | |
1658 | } | |
1659 | else | |
1660 | status = RPC_S_OK; | |
1661 | ||
1662 | return status; | |
0a17edf3 OK |
1663 | } |
1664 | ||
709b536f RS |
1665 | /*********************************************************************** |
1666 | * I_RpcReAllocateBuffer (internal) | |
1667 | */ | |
1668 | static RPC_STATUS I_RpcReAllocateBuffer(PRPC_MESSAGE pMsg) | |
1669 | { | |
1670 | TRACE("(%p): BufferLength=%d\n", pMsg, pMsg->BufferLength); | |
1671 | pMsg->Buffer = HeapReAlloc(GetProcessHeap(), 0, pMsg->Buffer, pMsg->BufferLength); | |
1672 | ||
1673 | TRACE("Buffer=%p\n", pMsg->Buffer); | |
0e6d5202 | 1674 | return pMsg->Buffer ? RPC_S_OK : ERROR_OUTOFMEMORY; |
709b536f RS |
1675 | } |
1676 | ||
0a17edf3 OK |
1677 | /*********************************************************************** |
1678 | * I_RpcFreeBuffer [RPCRT4.@] | |
b491d926 RS |
1679 | * |
1680 | * Frees a buffer allocated by I_RpcGetBuffer or I_RpcReceive and unbinds from | |
1681 | * the server interface. | |
1682 | * | |
1683 | * PARAMS | |
1684 | * pMsg [I/O] RPC message information. | |
1685 | * | |
1686 | * RETURNS | |
1687 | * RPC_S_OK. | |
1688 | * | |
1689 | * SEE ALSO | |
1690 | * I_RpcGetBuffer(), I_RpcReceive(). | |
0a17edf3 OK |
1691 | */ |
1692 | RPC_STATUS WINAPI I_RpcFreeBuffer(PRPC_MESSAGE pMsg) | |
1693 | { | |
e3bb1c82 | 1694 | RpcBinding* bind = pMsg->Handle; |
d0f914be | 1695 | |
2d56c3d6 | 1696 | TRACE("(%p) Buffer=%p\n", pMsg, pMsg->Buffer); |
d0f914be | 1697 | |
be9909ad RS |
1698 | if (!bind) |
1699 | { | |
1700 | ERR("no binding\n"); | |
1701 | return RPC_S_INVALID_BINDING; | |
1702 | } | |
d0f914be RS |
1703 | |
1704 | if (pMsg->ReservedForRuntime) | |
1705 | { | |
1706 | RpcConnection *conn = pMsg->ReservedForRuntime; | |
1707 | RPCRT4_CloseBinding(bind, conn); | |
8aeb2858 | 1708 | RPCRT4_ReleaseBinding(bind); |
d0f914be RS |
1709 | pMsg->ReservedForRuntime = NULL; |
1710 | } | |
1711 | I_RpcFree(pMsg->Buffer); | |
0e6d5202 | 1712 | return RPC_S_OK; |
0a17edf3 OK |
1713 | } |
1714 | ||
5f077bab RS |
1715 | static void CALLBACK async_apc_notifier_proc(ULONG_PTR ulParam) |
1716 | { | |
1717 | RPC_ASYNC_STATE *state = (RPC_ASYNC_STATE *)ulParam; | |
1718 | state->u.APC.NotificationRoutine(state, NULL, state->Event); | |
1719 | } | |
1720 | ||
1721 | static DWORD WINAPI async_notifier_proc(LPVOID p) | |
1722 | { | |
1723 | RpcConnection *conn = p; | |
1724 | RPC_ASYNC_STATE *state = conn->async_state; | |
1725 | ||
610c213f | 1726 | if (state && conn->ops->wait_for_incoming_data(conn) != -1) |
5f077bab RS |
1727 | { |
1728 | state->Event = RpcCallComplete; | |
1729 | switch (state->NotificationType) | |
1730 | { | |
1731 | case RpcNotificationTypeEvent: | |
610c213f | 1732 | TRACE("RpcNotificationTypeEvent %p\n", state->u.hEvent); |
5f077bab RS |
1733 | SetEvent(state->u.hEvent); |
1734 | break; | |
1735 | case RpcNotificationTypeApc: | |
610c213f | 1736 | TRACE("RpcNotificationTypeApc %p\n", state->u.APC.hThread); |
5f077bab RS |
1737 | QueueUserAPC(async_apc_notifier_proc, state->u.APC.hThread, (ULONG_PTR)state); |
1738 | break; | |
1739 | case RpcNotificationTypeIoc: | |
610c213f RS |
1740 | TRACE("RpcNotificationTypeIoc %p, 0x%x, 0x%lx, %p\n", |
1741 | state->u.IOC.hIOPort, state->u.IOC.dwNumberOfBytesTransferred, | |
1742 | state->u.IOC.dwCompletionKey, state->u.IOC.lpOverlapped); | |
5f077bab RS |
1743 | PostQueuedCompletionStatus(state->u.IOC.hIOPort, |
1744 | state->u.IOC.dwNumberOfBytesTransferred, | |
1745 | state->u.IOC.dwCompletionKey, | |
1746 | state->u.IOC.lpOverlapped); | |
1747 | break; | |
1748 | case RpcNotificationTypeHwnd: | |
610c213f RS |
1749 | TRACE("RpcNotificationTypeHwnd %p 0x%x\n", state->u.HWND.hWnd, |
1750 | state->u.HWND.Msg); | |
5f077bab RS |
1751 | PostMessageW(state->u.HWND.hWnd, state->u.HWND.Msg, 0, 0); |
1752 | break; | |
1753 | case RpcNotificationTypeCallback: | |
610c213f | 1754 | TRACE("RpcNotificationTypeCallback %p\n", state->u.NotificationRoutine); |
5f077bab RS |
1755 | state->u.NotificationRoutine(state, NULL, state->Event); |
1756 | break; | |
1757 | case RpcNotificationTypeNone: | |
610c213f RS |
1758 | TRACE("RpcNotificationTypeNone\n"); |
1759 | break; | |
5f077bab | 1760 | default: |
610c213f | 1761 | FIXME("unknown NotificationType: %d/0x%x\n", state->NotificationType, state->NotificationType); |
5f077bab RS |
1762 | break; |
1763 | } | |
1764 | } | |
1765 | ||
1766 | return 0; | |
1767 | } | |
1768 | ||
0a17edf3 OK |
1769 | /*********************************************************************** |
1770 | * I_RpcSend [RPCRT4.@] | |
b491d926 RS |
1771 | * |
1772 | * Sends a message to the server. | |
1773 | * | |
1774 | * PARAMS | |
1775 | * pMsg [I/O] RPC message information. | |
1776 | * | |
1777 | * RETURNS | |
1778 | * Unknown. | |
1779 | * | |
1780 | * NOTES | |
1781 | * The buffer must have been allocated with I_RpcGetBuffer(). | |
1782 | * | |
1783 | * SEE ALSO | |
1784 | * I_RpcGetBuffer(), I_RpcReceive(), I_RpcSendReceive(). | |
0a17edf3 OK |
1785 | */ |
1786 | RPC_STATUS WINAPI I_RpcSend(PRPC_MESSAGE pMsg) | |
1787 | { | |
e3bb1c82 | 1788 | RpcBinding* bind = pMsg->Handle; |
def211c4 | 1789 | RpcConnection* conn; |
0a17edf3 | 1790 | RPC_STATUS status; |
c5580b03 | 1791 | RpcPktHdr *hdr; |
0a17edf3 OK |
1792 | |
1793 | TRACE("(%p)\n", pMsg); | |
d0f914be | 1794 | if (!bind || bind->server || !pMsg->ReservedForRuntime) return RPC_S_INVALID_BINDING; |
0a17edf3 | 1795 | |
d0f914be | 1796 | conn = pMsg->ReservedForRuntime; |
c5580b03 | 1797 | |
234b8cbe | 1798 | hdr = RPCRT4_BuildRequestHeader(pMsg->DataRepresentation, |
31676530 RS |
1799 | pMsg->BufferLength, |
1800 | pMsg->ProcNum & ~RPC_FLAGS_VALID_BIT, | |
234b8cbe RS |
1801 | &bind->ObjectUuid); |
1802 | if (!hdr) | |
234b8cbe | 1803 | return ERROR_OUTOFMEMORY; |
234b8cbe | 1804 | hdr->common.call_id = conn->NextCallId++; |
0a17edf3 | 1805 | |
c5580b03 FN |
1806 | status = RPCRT4_Send(conn, hdr, pMsg->Buffer, pMsg->BufferLength); |
1807 | ||
1808 | RPCRT4_FreeHeader(hdr); | |
1809 | ||
5f077bab RS |
1810 | if (status == RPC_S_OK && pMsg->RpcFlags & RPC_BUFFER_ASYNC) |
1811 | { | |
1812 | if (!QueueUserWorkItem(async_notifier_proc, conn, WT_EXECUTEDEFAULT | WT_EXECUTELONGFUNCTION)) | |
1813 | status = RPC_S_OUT_OF_RESOURCES; | |
1814 | } | |
1815 | ||
def211c4 | 1816 | return status; |
0a17edf3 OK |
1817 | } |
1818 | ||
c411d95e RS |
1819 | /* is this status something that the server can't recover from? */ |
1820 | static inline BOOL is_hard_error(RPC_STATUS status) | |
1821 | { | |
1822 | switch (status) | |
1823 | { | |
1824 | case 0: /* user-defined fault */ | |
1825 | case ERROR_ACCESS_DENIED: | |
1826 | case ERROR_INVALID_PARAMETER: | |
1827 | case RPC_S_PROTOCOL_ERROR: | |
1828 | case RPC_S_CALL_FAILED: | |
1829 | case RPC_S_CALL_FAILED_DNE: | |
d212adbf | 1830 | case RPC_S_SEC_PKG_ERROR: |
c411d95e RS |
1831 | return TRUE; |
1832 | default: | |
1833 | return FALSE; | |
1834 | } | |
1835 | } | |
1836 | ||
0a17edf3 OK |
1837 | /*********************************************************************** |
1838 | * I_RpcReceive [RPCRT4.@] | |
1839 | */ | |
1840 | RPC_STATUS WINAPI I_RpcReceive(PRPC_MESSAGE pMsg) | |
1841 | { | |
e3bb1c82 | 1842 | RpcBinding* bind = pMsg->Handle; |
0a17edf3 | 1843 | RPC_STATUS status; |
c5580b03 | 1844 | RpcPktHdr *hdr = NULL; |
d0f914be | 1845 | RpcConnection *conn; |
0a17edf3 OK |
1846 | |
1847 | TRACE("(%p)\n", pMsg); | |
d0f914be | 1848 | if (!bind || bind->server || !pMsg->ReservedForRuntime) return RPC_S_INVALID_BINDING; |
def211c4 | 1849 | |
d0f914be | 1850 | conn = pMsg->ReservedForRuntime; |
c5580b03 FN |
1851 | status = RPCRT4_Receive(conn, &hdr, pMsg); |
1852 | if (status != RPC_S_OK) { | |
e86eb8ef | 1853 | WARN("receive failed with error %x\n", status); |
c5580b03 FN |
1854 | goto fail; |
1855 | } | |
c707e236 | 1856 | |
c5580b03 FN |
1857 | switch (hdr->common.ptype) { |
1858 | case PKT_RESPONSE: | |
def211c4 | 1859 | break; |
c5580b03 | 1860 | case PKT_FAULT: |
8de02428 | 1861 | ERR ("we got fault packet with status 0x%x\n", hdr->fault.status); |
9c77d7ac | 1862 | status = NCA2RPC_STATUS(hdr->fault.status); |
c411d95e RS |
1863 | if (is_hard_error(status)) |
1864 | goto fail; | |
1865 | break; | |
c5580b03 | 1866 | default: |
b24193c3 | 1867 | WARN("bad packet type %d\n", hdr->common.ptype); |
c411d95e | 1868 | status = RPC_S_PROTOCOL_ERROR; |
c5580b03 | 1869 | goto fail; |
def211c4 | 1870 | } |
c5580b03 FN |
1871 | |
1872 | /* success */ | |
c411d95e RS |
1873 | RPCRT4_FreeHeader(hdr); |
1874 | return status; | |
c5580b03 | 1875 | |
def211c4 | 1876 | fail: |
56b87f3a | 1877 | RPCRT4_FreeHeader(hdr); |
d2ca9f4b | 1878 | RPCRT4_ReleaseConnection(conn); |
d0f914be | 1879 | pMsg->ReservedForRuntime = NULL; |
def211c4 | 1880 | return status; |
0a17edf3 OK |
1881 | } |
1882 | ||
1883 | /*********************************************************************** | |
1884 | * I_RpcSendReceive [RPCRT4.@] | |
b491d926 RS |
1885 | * |
1886 | * Sends a message to the server and receives the response. | |
1887 | * | |
1888 | * PARAMS | |
1889 | * pMsg [I/O] RPC message information. | |
1890 | * | |
1891 | * RETURNS | |
1892 | * Success: RPC_S_OK. | |
1893 | * Failure: Any error code. | |
1894 | * | |
1895 | * NOTES | |
1896 | * The buffer must have been allocated with I_RpcGetBuffer(). | |
1897 | * | |
1898 | * SEE ALSO | |
1899 | * I_RpcGetBuffer(), I_RpcSend(), I_RpcReceive(). | |
0a17edf3 OK |
1900 | */ |
1901 | RPC_STATUS WINAPI I_RpcSendReceive(PRPC_MESSAGE pMsg) | |
1902 | { | |
1903 | RPC_STATUS status; | |
d0f914be | 1904 | void *original_buffer; |
0a17edf3 OK |
1905 | |
1906 | TRACE("(%p)\n", pMsg); | |
ca6fe3fb | 1907 | |
d0f914be | 1908 | original_buffer = pMsg->Buffer; |
0a17edf3 OK |
1909 | status = I_RpcSend(pMsg); |
1910 | if (status == RPC_S_OK) | |
1911 | status = I_RpcReceive(pMsg); | |
ca6fe3fb RS |
1912 | /* free the buffer replaced by a new buffer in I_RpcReceive */ |
1913 | if (status == RPC_S_OK) | |
d0f914be | 1914 | I_RpcFree(original_buffer); |
0a17edf3 OK |
1915 | return status; |
1916 | } | |
b0cbf664 RS |
1917 | |
1918 | /*********************************************************************** | |
1919 | * I_RpcAsyncSetHandle [RPCRT4.@] | |
1920 | * | |
1921 | * Sets the asynchronous state of the handle contained in the RPC message | |
1922 | * structure. | |
1923 | * | |
1924 | * PARAMS | |
1925 | * pMsg [I] RPC Message structure. | |
1926 | * pAsync [I] Asynchronous state to set. | |
1927 | * | |
1928 | * RETURNS | |
1929 | * Success: RPC_S_OK. | |
1930 | * Failure: Any error code. | |
1931 | */ | |
1932 | RPC_STATUS WINAPI I_RpcAsyncSetHandle(PRPC_MESSAGE pMsg, PRPC_ASYNC_STATE pAsync) | |
1933 | { | |
e3bb1c82 | 1934 | RpcBinding* bind = pMsg->Handle; |
5f077bab RS |
1935 | RpcConnection *conn; |
1936 | ||
1937 | TRACE("(%p, %p)\n", pMsg, pAsync); | |
1938 | ||
1939 | if (!bind || bind->server || !pMsg->ReservedForRuntime) return RPC_S_INVALID_BINDING; | |
1940 | ||
1941 | conn = pMsg->ReservedForRuntime; | |
1942 | conn->async_state = pAsync; | |
1943 | ||
1944 | return RPC_S_OK; | |
b0cbf664 RS |
1945 | } |
1946 | ||
1947 | /*********************************************************************** | |
1948 | * I_RpcAsyncAbortCall [RPCRT4.@] | |
1949 | * | |
1950 | * Aborts an asynchronous call. | |
1951 | * | |
1952 | * PARAMS | |
1953 | * pAsync [I] Asynchronous state. | |
1954 | * ExceptionCode [I] Exception code. | |
1955 | * | |
1956 | * RETURNS | |
1957 | * Success: RPC_S_OK. | |
1958 | * Failure: Any error code. | |
1959 | */ | |
1960 | RPC_STATUS WINAPI I_RpcAsyncAbortCall(PRPC_ASYNC_STATE pAsync, ULONG ExceptionCode) | |
1961 | { | |
1962 | FIXME("(%p, %d): stub\n", pAsync, ExceptionCode); | |
1963 | return RPC_S_INVALID_ASYNC_HANDLE; | |
1964 | } |