source: trunk/src/secur32/schannel.c@ 22015

Last change on this file since 22015 was 21364, checked in by vladest, 16 years ago
  • Added SSP DLLs loader. Still under development. Do not use in working configurations
File size: 28.6 KB
Line 
1/* Copyright (C) 2005 Juan Lang
2 * Copyright 2008 Henri Verbeet
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 *
18 * This file implements the schannel provider, or, the SSL/TLS implementations.
19 * FIXME: It should be rather obvious that this file is empty of any
20 * implementation.
21 */
22#include "config.h"
23#include "wine/port.h"
24
25#include <stdarg.h>
26#include <errno.h>
27#include <limits.h>
28#ifdef SONAME_LIBGNUTLS
29#include <gnutls/gnutls.h>
30#endif
31
32#include "windef.h"
33#include "winbase.h"
34#include "winnls.h"
35#include "sspi.h"
36#include "schannel.h"
37#include "secur32_priv.h"
38#include "wine/debug.h"
39#include "wine/library.h"
40
41WINE_DEFAULT_DEBUG_CHANNEL(secur32);
42
43#ifdef SONAME_LIBGNUTLS
44
45static void *libgnutls_handle;
46#define MAKE_FUNCPTR(f) static typeof(f) * p##f
47MAKE_FUNCPTR(gnutls_alert_get);
48MAKE_FUNCPTR(gnutls_alert_get_name);
49MAKE_FUNCPTR(gnutls_certificate_allocate_credentials);
50MAKE_FUNCPTR(gnutls_certificate_free_credentials);
51MAKE_FUNCPTR(gnutls_credentials_set);
52MAKE_FUNCPTR(gnutls_deinit);
53MAKE_FUNCPTR(gnutls_global_deinit);
54MAKE_FUNCPTR(gnutls_global_init);
55MAKE_FUNCPTR(gnutls_global_set_log_function);
56MAKE_FUNCPTR(gnutls_global_set_log_level);
57MAKE_FUNCPTR(gnutls_handshake);
58MAKE_FUNCPTR(gnutls_init);
59MAKE_FUNCPTR(gnutls_perror);
60MAKE_FUNCPTR(gnutls_set_default_priority);
61MAKE_FUNCPTR(gnutls_transport_set_errno);
62MAKE_FUNCPTR(gnutls_transport_set_ptr);
63MAKE_FUNCPTR(gnutls_transport_set_pull_function);
64MAKE_FUNCPTR(gnutls_transport_set_push_function);
65#undef MAKE_FUNCPTR
66
67#define SCHAN_INVALID_HANDLE ~0UL
68
69enum schan_handle_type
70{
71 SCHAN_HANDLE_CRED,
72 SCHAN_HANDLE_CTX,
73 SCHAN_HANDLE_FREE
74};
75
76struct schan_handle
77{
78 void *object;
79 enum schan_handle_type type;
80};
81
82struct schan_credentials
83{
84 ULONG credential_use;
85 gnutls_certificate_credentials credentials;
86};
87
88struct schan_context
89{
90 gnutls_session_t session;
91 ULONG req_ctx_attr;
92};
93
94struct schan_transport;
95
96struct schan_buffers
97{
98 SIZE_T offset;
99 const SecBufferDesc *desc;
100 int current_buffer_idx;
101 BOOL allow_buffer_resize;
102 int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *);
103};
104
105struct schan_transport
106{
107 struct schan_context *ctx;
108 struct schan_buffers in;
109 struct schan_buffers out;
110};
111
112static struct schan_handle *schan_handle_table;
113static struct schan_handle *schan_free_handles;
114static SIZE_T schan_handle_table_size;
115static SIZE_T schan_handle_count;
116
117static ULONG_PTR schan_alloc_handle(void *object, enum schan_handle_type type)
118{
119 struct schan_handle *handle;
120
121 if (schan_free_handles)
122 {
123 /* Use a free handle */
124 handle = schan_free_handles;
125 if (handle->type != SCHAN_HANDLE_FREE)
126 {
127 ERR("Handle %d(%p) is in the free list, but has type %#x.\n", (handle-schan_handle_table), handle, handle->type);
128 return SCHAN_INVALID_HANDLE;
129 }
130 schan_free_handles = (struct schan_handle *)handle->object;
131 handle->object = object;
132 handle->type = type;
133
134 return handle - schan_handle_table;
135 }
136 if (!(schan_handle_count < schan_handle_table_size))
137 {
138 /* Grow the table */
139 SIZE_T new_size = schan_handle_table_size + (schan_handle_table_size >> 1);
140 struct schan_handle *new_table = HeapReAlloc(GetProcessHeap(), 0, schan_handle_table, new_size * sizeof(*schan_handle_table));
141 if (!new_table)
142 {
143 ERR("Failed to grow the handle table\n");
144 return SCHAN_INVALID_HANDLE;
145 }
146 schan_handle_table = new_table;
147 schan_handle_table_size = new_size;
148 }
149
150 handle = &schan_handle_table[schan_handle_count++];
151 handle->object = object;
152 handle->type = type;
153
154 return handle - schan_handle_table;
155}
156
157static void *schan_free_handle(ULONG_PTR handle_idx, enum schan_handle_type type)
158{
159 struct schan_handle *handle;
160 void *object;
161
162 if (handle_idx == SCHAN_INVALID_HANDLE) return NULL;
163 handle = &schan_handle_table[handle_idx];
164 if (handle->type != type)
165 {
166 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type);
167 return NULL;
168 }
169
170 object = handle->object;
171 handle->object = schan_free_handles;
172 handle->type = SCHAN_HANDLE_FREE;
173 schan_free_handles = handle;
174
175 return object;
176}
177
178static void *schan_get_object(ULONG_PTR handle_idx, enum schan_handle_type type)
179{
180 struct schan_handle *handle;
181
182 if (handle_idx == SCHAN_INVALID_HANDLE) return NULL;
183 handle = &schan_handle_table[handle_idx];
184 if (handle->type != type)
185 {
186 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type);
187 return NULL;
188 }
189
190 return handle->object;
191}
192
193static SECURITY_STATUS schan_QueryCredentialsAttributes(
194 PCredHandle phCredential, ULONG ulAttribute, VOID *pBuffer)
195{
196 SECURITY_STATUS ret;
197
198 switch (ulAttribute)
199 {
200 case SECPKG_ATTR_SUPPORTED_ALGS:
201 if (pBuffer)
202 {
203 /* FIXME: get from CryptoAPI */
204 FIXME("SECPKG_ATTR_SUPPORTED_ALGS: stub\n");
205 ret = SEC_E_UNSUPPORTED_FUNCTION;
206 }
207 else
208 ret = SEC_E_INTERNAL_ERROR;
209 break;
210 case SECPKG_ATTR_CIPHER_STRENGTHS:
211 if (pBuffer)
212 {
213 SecPkgCred_CipherStrengths *r = (SecPkgCred_CipherStrengths*)pBuffer;
214
215 /* FIXME: get from CryptoAPI */
216 FIXME("SECPKG_ATTR_CIPHER_STRENGTHS: semi-stub\n");
217 r->dwMinimumCipherStrength = 40;
218 r->dwMaximumCipherStrength = 168;
219 ret = SEC_E_OK;
220 }
221 else
222 ret = SEC_E_INTERNAL_ERROR;
223 break;
224 case SECPKG_ATTR_SUPPORTED_PROTOCOLS:
225 if (pBuffer)
226 {
227 /* FIXME: get from OpenSSL? */
228 FIXME("SECPKG_ATTR_SUPPORTED_PROTOCOLS: stub\n");
229 ret = SEC_E_UNSUPPORTED_FUNCTION;
230 }
231 else
232 ret = SEC_E_INTERNAL_ERROR;
233 break;
234 default:
235 ret = SEC_E_UNSUPPORTED_FUNCTION;
236 }
237 return ret;
238}
239
240static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesA(
241 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
242{
243 SECURITY_STATUS ret;
244
245 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
246
247 switch (ulAttribute)
248 {
249 case SECPKG_CRED_ATTR_NAMES:
250 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
251 ret = SEC_E_UNSUPPORTED_FUNCTION;
252 break;
253 default:
254 ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute,
255 pBuffer);
256 }
257 return ret;
258}
259
260static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesW(
261 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
262{
263 SECURITY_STATUS ret;
264
265 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
266
267 switch (ulAttribute)
268 {
269 case SECPKG_CRED_ATTR_NAMES:
270 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
271 ret = SEC_E_UNSUPPORTED_FUNCTION;
272 break;
273 default:
274 ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute,
275 pBuffer);
276 }
277 return ret;
278}
279
280static SECURITY_STATUS schan_CheckCreds(const SCHANNEL_CRED *schanCred)
281{
282 SECURITY_STATUS st;
283
284 switch (schanCred->dwVersion)
285 {
286 case SCH_CRED_V3:
287 case SCHANNEL_CRED_VERSION:
288 break;
289 default:
290 return SEC_E_INTERNAL_ERROR;
291 }
292
293 if (schanCred->cCreds == 0)
294 st = SEC_E_NO_CREDENTIALS;
295 else if (schanCred->cCreds > 1)
296 st = SEC_E_UNKNOWN_CREDENTIALS;
297 else
298 {
299 DWORD keySpec;
300 HCRYPTPROV csp;
301 BOOL ret, freeCSP;
302
303 ret = CryptAcquireCertificatePrivateKey(schanCred->paCred[0],
304 0, /* FIXME: what flags to use? */ NULL,
305 &csp, &keySpec, &freeCSP);
306 if (ret)
307 {
308 st = SEC_E_OK;
309 if (freeCSP)
310 CryptReleaseContext(csp, 0);
311 }
312 else
313 st = SEC_E_UNKNOWN_CREDENTIALS;
314 }
315 return st;
316}
317
318static SECURITY_STATUS schan_AcquireClientCredentials(const SCHANNEL_CRED *schanCred,
319 PCredHandle phCredential, PTimeStamp ptsExpiry)
320{
321 struct schan_credentials *creds;
322 SECURITY_STATUS st = SEC_E_OK;
323
324 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
325
326 if (schanCred)
327 {
328 st = schan_CheckCreds(schanCred);
329 if (st == SEC_E_NO_CREDENTIALS)
330 st = SEC_E_OK;
331 }
332
333 /* For now, the only thing I'm interested in is the direction of the
334 * connection, so just store it.
335 */
336 if (st == SEC_E_OK)
337 {
338 ULONG_PTR handle;
339 int ret;
340
341 creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds));
342 if (!creds) return SEC_E_INSUFFICIENT_MEMORY;
343
344 handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
345 if (handle == SCHAN_INVALID_HANDLE) goto fail;
346
347 creds->credential_use = SECPKG_CRED_OUTBOUND;
348 ret = pgnutls_certificate_allocate_credentials(&creds->credentials);
349 if (ret != GNUTLS_E_SUCCESS)
350 {
351 pgnutls_perror(ret);
352 schan_free_handle(handle, SCHAN_HANDLE_CRED);
353 goto fail;
354 }
355
356 phCredential->dwLower = handle;
357 phCredential->dwUpper = 0;
358
359 /* Outbound credentials have no expiry */
360 if (ptsExpiry)
361 {
362 ptsExpiry->LowPart = 0;
363 ptsExpiry->HighPart = 0;
364 }
365 }
366 return st;
367
368fail:
369 HeapFree(GetProcessHeap(), 0, creds);
370 return SEC_E_INTERNAL_ERROR;
371}
372
373static SECURITY_STATUS schan_AcquireServerCredentials(const SCHANNEL_CRED *schanCred,
374 PCredHandle phCredential, PTimeStamp ptsExpiry)
375{
376 SECURITY_STATUS st;
377
378 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
379
380 if (!schanCred) return SEC_E_NO_CREDENTIALS;
381
382 st = schan_CheckCreds(schanCred);
383 if (st == SEC_E_OK)
384 {
385 ULONG_PTR handle;
386 struct schan_credentials *creds;
387
388 creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds));
389 if (!creds) return SEC_E_INSUFFICIENT_MEMORY;
390 creds->credential_use = SECPKG_CRED_INBOUND;
391
392 handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
393 if (handle == SCHAN_INVALID_HANDLE)
394 {
395 HeapFree(GetProcessHeap(), 0, creds);
396 return SEC_E_INTERNAL_ERROR;
397 }
398
399 phCredential->dwLower = handle;
400 phCredential->dwUpper = 0;
401
402 /* FIXME: get expiry from cert */
403 }
404 return st;
405}
406
407static SECURITY_STATUS schan_AcquireCredentialsHandle(ULONG fCredentialUse,
408 const SCHANNEL_CRED *schanCred, PCredHandle phCredential, PTimeStamp ptsExpiry)
409{
410 SECURITY_STATUS ret;
411
412 if (fCredentialUse == SECPKG_CRED_OUTBOUND)
413 ret = schan_AcquireClientCredentials(schanCred, phCredential,
414 ptsExpiry);
415 else
416 ret = schan_AcquireServerCredentials(schanCred, phCredential,
417 ptsExpiry);
418 return ret;
419}
420
421static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleA(
422 SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
423 PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
424 PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
425{
426 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
427 debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
428 pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
429 return schan_AcquireCredentialsHandle(fCredentialUse,
430 (PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry);
431}
432
433static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleW(
434 SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
435 PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
436 PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
437{
438 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
439 debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
440 pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
441 return schan_AcquireCredentialsHandle(fCredentialUse,
442 (PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry);
443}
444
445static SECURITY_STATUS SEC_ENTRY schan_FreeCredentialsHandle(
446 PCredHandle phCredential)
447{
448 struct schan_credentials *creds;
449
450 TRACE("phCredential %p\n", phCredential);
451
452 if (!phCredential) return SEC_E_INVALID_HANDLE;
453
454 creds = schan_free_handle(phCredential->dwLower, SCHAN_HANDLE_CRED);
455 if (!creds) return SEC_E_INVALID_HANDLE;
456
457 if (creds->credential_use == SECPKG_CRED_OUTBOUND)
458 pgnutls_certificate_free_credentials(creds->credentials);
459 HeapFree(GetProcessHeap(), 0, creds);
460
461 return SEC_E_OK;
462}
463
464static void init_schan_buffers(struct schan_buffers *s, const PSecBufferDesc desc,
465 int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *))
466{
467 s->offset = 0;
468 s->desc = desc;
469 s->current_buffer_idx = -1;
470 s->allow_buffer_resize = FALSE;
471 s->get_next_buffer = get_next_buffer;
472}
473
474static int schan_find_sec_buffer_idx(const SecBufferDesc *desc, unsigned int start_idx, ULONG buffer_type)
475{
476 unsigned int i;
477 PSecBuffer buffer;
478
479 for (i = start_idx; i < desc->cBuffers; ++i)
480 {
481 buffer = &desc->pBuffers[i];
482 if (buffer->BufferType == buffer_type) return i;
483 }
484
485 return -1;
486}
487
488static void schan_resize_current_buffer(const struct schan_buffers *s, SIZE_T min_size)
489{
490 SecBuffer *b = &s->desc->pBuffers[s->current_buffer_idx];
491 SIZE_T new_size = b->cbBuffer ? b->cbBuffer * 2 : 128;
492 void *new_data;
493
494 if (b->cbBuffer >= min_size || !s->allow_buffer_resize || min_size > UINT_MAX / 2) return;
495
496 while (new_size < min_size) new_size *= 2;
497
498 if (b->pvBuffer)
499 new_data = HeapReAlloc(GetProcessHeap(), 0, b->pvBuffer, new_size);
500 else
501 new_data = HeapAlloc(GetProcessHeap(), 0, new_size);
502
503 if (!new_data)
504 {
505 TRACE("Failed to resize %p from %ld to %ld\n", b->pvBuffer, b->cbBuffer, new_size);
506 return;
507 }
508
509 b->cbBuffer = new_size;
510 b->pvBuffer = new_data;
511}
512
513static char *schan_get_buffer(const struct schan_transport *t, struct schan_buffers *s, size_t *count)
514{
515 SIZE_T max_count;
516 PSecBuffer buffer;
517
518 if (!s->desc)
519 {
520 TRACE("No desc\n");
521 return NULL;
522 }
523
524 if (s->current_buffer_idx == -1)
525 {
526 /* Initial buffer */
527 int buffer_idx = s->get_next_buffer(t, s);
528 if (buffer_idx == -1)
529 {
530 TRACE("No next buffer\n");
531 return NULL;
532 }
533 s->current_buffer_idx = buffer_idx;
534 }
535
536 buffer = &s->desc->pBuffers[s->current_buffer_idx];
537 TRACE("Using buffer %d: cbBuffer %ld, BufferType %#lx, pvBuffer %p\n", s->current_buffer_idx, buffer->cbBuffer, buffer->BufferType, buffer->pvBuffer);
538
539 schan_resize_current_buffer(s, s->offset + *count);
540 max_count = buffer->cbBuffer - s->offset;
541 if (!max_count)
542 {
543 int buffer_idx;
544
545 s->allow_buffer_resize = FALSE;
546 buffer_idx = s->get_next_buffer(t, s);
547 if (buffer_idx == -1)
548 {
549 TRACE("No next buffer\n");
550 return NULL;
551 }
552 s->current_buffer_idx = buffer_idx;
553 s->offset = 0;
554 return schan_get_buffer(t, s, count);
555 }
556
557 if (*count > max_count) *count = max_count;
558 return (char *)buffer->pvBuffer + s->offset;
559}
560
561static ssize_t schan_pull(gnutls_transport_ptr_t transport, void *buff, size_t buff_len)
562{
563 struct schan_transport *t = (struct schan_transport *)transport;
564 char *b;
565
566 TRACE("Pull %zu bytes\n", buff_len);
567
568 b = schan_get_buffer(t, &t->in, &buff_len);
569 if (!b)
570 {
571 pgnutls_transport_set_errno(t->ctx->session, EAGAIN);
572 return -1;
573 }
574
575 memcpy(buff, b, buff_len);
576 t->in.offset += buff_len;
577
578 TRACE("Read %zu bytes\n", buff_len);
579
580 return buff_len;
581}
582
583static ssize_t schan_push(gnutls_transport_ptr_t transport, const void *buff, size_t buff_len)
584{
585 struct schan_transport *t = (struct schan_transport *)transport;
586 char *b;
587
588 TRACE("Push %zu bytes\n", buff_len);
589
590 b = schan_get_buffer(t, &t->out, &buff_len);
591 if (!b)
592 {
593 pgnutls_transport_set_errno(t->ctx->session, EAGAIN);
594 return -1;
595 }
596
597 memcpy(b, buff, buff_len);
598 t->out.offset += buff_len;
599
600 TRACE("Wrote %zu bytes\n", buff_len);
601
602 return buff_len;
603}
604
605static int schan_init_sec_ctx_get_next_buffer(const struct schan_transport *t, struct schan_buffers *s)
606{
607 if (s->current_buffer_idx == -1)
608 {
609 int idx = schan_find_sec_buffer_idx(s->desc, 0, SECBUFFER_TOKEN);
610 if (idx != -1 && !s->desc->pBuffers[idx].pvBuffer
611 && (t->ctx->req_ctx_attr & ISC_REQ_ALLOCATE_MEMORY))
612 s->allow_buffer_resize = TRUE;
613 return idx;
614 }
615
616 return -1;
617}
618
619/***********************************************************************
620 * InitializeSecurityContextW
621 */
622static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextW(
623 PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
624 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
625 PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
626 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
627{
628 struct schan_context *ctx;
629 struct schan_buffers *out_buffers;
630 struct schan_credentials *cred;
631 struct schan_transport transport;
632 int err;
633
634 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
635 debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
636 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
637
638 if (!phContext)
639 {
640 ULONG_PTR handle;
641
642 if (!phCredential) return SEC_E_INVALID_HANDLE;
643
644 cred = schan_get_object(phCredential->dwLower, SCHAN_HANDLE_CRED);
645 if (!cred) return SEC_E_INVALID_HANDLE;
646
647 if (!(cred->credential_use & SECPKG_CRED_OUTBOUND))
648 {
649 WARN("Invalid credential use %#x\n", cred->credential_use);
650 return SEC_E_INVALID_HANDLE;
651 }
652
653 ctx = HeapAlloc(GetProcessHeap(), 0, sizeof(*ctx));
654 if (!ctx) return SEC_E_INSUFFICIENT_MEMORY;
655
656 handle = schan_alloc_handle(ctx, SCHAN_HANDLE_CTX);
657 if (handle == SCHAN_INVALID_HANDLE)
658 {
659 HeapFree(GetProcessHeap(), 0, ctx);
660 return SEC_E_INTERNAL_ERROR;
661 }
662
663 err = pgnutls_init(&ctx->session, GNUTLS_CLIENT);
664 if (err != GNUTLS_E_SUCCESS)
665 {
666 pgnutls_perror(err);
667 schan_free_handle(handle, SCHAN_HANDLE_CTX);
668 HeapFree(GetProcessHeap(), 0, ctx);
669 return SEC_E_INTERNAL_ERROR;
670 }
671
672 /* FIXME: We should be using the information from the credentials here. */
673 FIXME("Using hardcoded \"NORMAL\" priority\n");
674 err = pgnutls_set_default_priority(ctx->session);
675 if (err != GNUTLS_E_SUCCESS)
676 {
677 pgnutls_perror(err);
678 pgnutls_deinit(ctx->session);
679 schan_free_handle(handle, SCHAN_HANDLE_CTX);
680 HeapFree(GetProcessHeap(), 0, ctx);
681 }
682
683 err = pgnutls_credentials_set(ctx->session, GNUTLS_CRD_CERTIFICATE, cred->credentials);
684 if (err != GNUTLS_E_SUCCESS)
685 {
686 pgnutls_perror(err);
687 pgnutls_deinit(ctx->session);
688 schan_free_handle(handle, SCHAN_HANDLE_CTX);
689 HeapFree(GetProcessHeap(), 0, ctx);
690 }
691
692 pgnutls_transport_set_pull_function(ctx->session, schan_pull);
693 pgnutls_transport_set_push_function(ctx->session, schan_push);
694
695 phNewContext->dwLower = handle;
696 phNewContext->dwUpper = 0;
697 }
698 else
699 {
700 ctx = schan_get_object(phContext->dwLower, SCHAN_HANDLE_CTX);
701 }
702
703 ctx->req_ctx_attr = fContextReq;
704
705 transport.ctx = ctx;
706 init_schan_buffers(&transport.in, pInput, schan_init_sec_ctx_get_next_buffer);
707 init_schan_buffers(&transport.out, pOutput, schan_init_sec_ctx_get_next_buffer);
708 pgnutls_transport_set_ptr(ctx->session, &transport);
709
710 /* Perform the TLS handshake */
711 err = pgnutls_handshake(ctx->session);
712
713 out_buffers = &transport.out;
714 if (out_buffers->current_buffer_idx != -1)
715 {
716 SecBuffer *buffer = &out_buffers->desc->pBuffers[out_buffers->current_buffer_idx];
717 buffer->cbBuffer = out_buffers->offset;
718 }
719
720 *pfContextAttr = 0;
721 if (ctx->req_ctx_attr & ISC_REQ_ALLOCATE_MEMORY)
722 *pfContextAttr |= ISC_RET_ALLOCATED_MEMORY;
723
724 switch(err)
725 {
726 case GNUTLS_E_SUCCESS:
727 TRACE("Handshake completed\n");
728 return SEC_E_OK;
729
730 case GNUTLS_E_AGAIN:
731 TRACE("Continue...\n");
732 return SEC_I_CONTINUE_NEEDED;
733
734 case GNUTLS_E_WARNING_ALERT_RECEIVED:
735 case GNUTLS_E_FATAL_ALERT_RECEIVED:
736 {
737 gnutls_alert_description_t alert = pgnutls_alert_get(ctx->session);
738 const char *alert_name = pgnutls_alert_get_name(alert);
739 WARN("ALERT: %d %s\n", alert, alert_name);
740 return SEC_E_INTERNAL_ERROR;
741 }
742
743 default:
744 pgnutls_perror(err);
745 return SEC_E_INTERNAL_ERROR;
746 }
747}
748
749/***********************************************************************
750 * InitializeSecurityContextA
751 */
752static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextA(
753 PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
754 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
755 PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
756 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
757{
758 SECURITY_STATUS ret;
759 SEC_WCHAR *target_name = NULL;
760
761 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
762 debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
763 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
764
765 if (pszTargetName)
766 {
767 INT len = MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, NULL, 0);
768 target_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(*target_name));
769 MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, target_name, len);
770 }
771
772 ret = schan_InitializeSecurityContextW(phCredential, phContext, target_name,
773 fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
774 phNewContext, pOutput, pfContextAttr, ptsExpiry);
775
776 HeapFree(GetProcessHeap(), 0, target_name);
777
778 return ret;
779}
780
781static SECURITY_STATUS SEC_ENTRY schan_DeleteSecurityContext(PCtxtHandle context_handle)
782{
783 struct schan_context *ctx;
784
785 TRACE("context_handle %p\n", context_handle);
786
787 if (!context_handle) return SEC_E_INVALID_HANDLE;
788
789 ctx = schan_free_handle(context_handle->dwLower, SCHAN_HANDLE_CTX);
790 if (!ctx) return SEC_E_INVALID_HANDLE;
791
792 pgnutls_deinit(ctx->session);
793 HeapFree(GetProcessHeap(), 0, ctx);
794
795 return SEC_E_OK;
796}
797
798static void schan_gnutls_log(int level, const char *msg)
799{
800 TRACE("<%d> %s", level, msg);
801}
802
803static const SecurityFunctionTableA schanTableA = {
804 1,
805 NULL, /* EnumerateSecurityPackagesA */
806 schan_QueryCredentialsAttributesA,
807 schan_AcquireCredentialsHandleA,
808 schan_FreeCredentialsHandle,
809 NULL, /* Reserved2 */
810 schan_InitializeSecurityContextA,
811 NULL, /* AcceptSecurityContext */
812 NULL, /* CompleteAuthToken */
813 schan_DeleteSecurityContext,
814 NULL, /* ApplyControlToken */
815 NULL, /* QueryContextAttributesA */
816 NULL, /* ImpersonateSecurityContext */
817 NULL, /* RevertSecurityContext */
818 NULL, /* MakeSignature */
819 NULL, /* VerifySignature */
820 FreeContextBuffer,
821 NULL, /* QuerySecurityPackageInfoA */
822 NULL, /* Reserved3 */
823 NULL, /* Reserved4 */
824 NULL, /* ExportSecurityContext */
825 NULL, /* ImportSecurityContextA */
826 NULL, /* AddCredentialsA */
827 NULL, /* Reserved8 */
828 NULL, /* QuerySecurityContextToken */
829 NULL, /* EncryptMessage */
830 NULL, /* DecryptMessage */
831 NULL, /* SetContextAttributesA */
832};
833
834static const SecurityFunctionTableW schanTableW = {
835 1,
836 NULL, /* EnumerateSecurityPackagesW */
837 schan_QueryCredentialsAttributesW,
838 schan_AcquireCredentialsHandleW,
839 schan_FreeCredentialsHandle,
840 NULL, /* Reserved2 */
841 schan_InitializeSecurityContextW,
842 NULL, /* AcceptSecurityContext */
843 NULL, /* CompleteAuthToken */
844 schan_DeleteSecurityContext,
845 NULL, /* ApplyControlToken */
846 NULL, /* QueryContextAttributesW */
847 NULL, /* ImpersonateSecurityContext */
848 NULL, /* RevertSecurityContext */
849 NULL, /* MakeSignature */
850 NULL, /* VerifySignature */
851 FreeContextBuffer,
852 NULL, /* QuerySecurityPackageInfoW */
853 NULL, /* Reserved3 */
854 NULL, /* Reserved4 */
855 NULL, /* ExportSecurityContext */
856 NULL, /* ImportSecurityContextW */
857 NULL, /* AddCredentialsW */
858 NULL, /* Reserved8 */
859 NULL, /* QuerySecurityContextToken */
860 NULL, /* EncryptMessage */
861 NULL, /* DecryptMessage */
862 NULL, /* SetContextAttributesW */
863};
864
865static const WCHAR schannelComment[] = { 'S','c','h','a','n','n','e','l',' ',
866 'S','e','c','u','r','i','t','y',' ','P','a','c','k','a','g','e',0 };
867static const WCHAR schannelDllName[] = { 's','c','h','a','n','n','e','l','.','d','l','l',0 };
868
869void SECUR32_initSchannelSP(void)
870{
871 /* This is what Windows reports. This shouldn't break any applications
872 * even though the functions are missing, because the wrapper will
873 * return SEC_E_UNSUPPORTED_FUNCTION if our function is NULL.
874 */
875 static const long caps =
876 SECPKG_FLAG_INTEGRITY |
877 SECPKG_FLAG_PRIVACY |
878 SECPKG_FLAG_CONNECTION |
879 SECPKG_FLAG_MULTI_REQUIRED |
880 SECPKG_FLAG_EXTENDED_ERROR |
881 SECPKG_FLAG_IMPERSONATION |
882 SECPKG_FLAG_ACCEPT_WIN32_NAME |
883 SECPKG_FLAG_STREAM;
884 static const short version = 1;
885 static const long maxToken = 16384;
886 SEC_WCHAR *uniSPName = (SEC_WCHAR *)UNISP_NAME_W,
887 *schannel = (SEC_WCHAR *)SCHANNEL_NAME_W;
888 const SecPkgInfoW info[] = {
889 { caps, version, UNISP_RPC_ID, maxToken, uniSPName, uniSPName },
890 { caps, version, UNISP_RPC_ID, maxToken, schannel,
891 (SEC_WCHAR *)schannelComment },
892 };
893 SecureProvider *provider;
894 int ret;
895
896 libgnutls_handle = wine_dlopen(SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0);
897 if (!libgnutls_handle)
898 {
899 WARN("Failed to load libgnutls.\n");
900 return;
901 }
902
903#define LOAD_FUNCPTR(f) \
904 if (!(p##f = wine_dlsym(libgnutls_handle, #f, NULL, 0))) \
905 { \
906 ERR("Failed to load %s\n", #f); \
907 goto fail; \
908 }
909
910 LOAD_FUNCPTR(gnutls_alert_get)
911 LOAD_FUNCPTR(gnutls_alert_get_name)
912 LOAD_FUNCPTR(gnutls_certificate_allocate_credentials)
913 LOAD_FUNCPTR(gnutls_certificate_free_credentials)
914 LOAD_FUNCPTR(gnutls_credentials_set)
915 LOAD_FUNCPTR(gnutls_deinit)
916 LOAD_FUNCPTR(gnutls_global_deinit)
917 LOAD_FUNCPTR(gnutls_global_init)
918 LOAD_FUNCPTR(gnutls_global_set_log_function)
919 LOAD_FUNCPTR(gnutls_global_set_log_level)
920 LOAD_FUNCPTR(gnutls_handshake)
921 LOAD_FUNCPTR(gnutls_init)
922 LOAD_FUNCPTR(gnutls_perror)
923 LOAD_FUNCPTR(gnutls_set_default_priority)
924 LOAD_FUNCPTR(gnutls_transport_set_errno)
925 LOAD_FUNCPTR(gnutls_transport_set_ptr)
926 LOAD_FUNCPTR(gnutls_transport_set_pull_function)
927 LOAD_FUNCPTR(gnutls_transport_set_push_function)
928#undef LOAD_FUNCPTR
929
930 ret = pgnutls_global_init();
931 if (ret != GNUTLS_E_SUCCESS)
932 {
933 pgnutls_perror(ret);
934 goto fail;
935 }
936
937 if (TRACE_ON(secur32))
938 {
939 pgnutls_global_set_log_level(4);
940 pgnutls_global_set_log_function(schan_gnutls_log);
941 }
942
943 schan_handle_table = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 64 * sizeof(*schan_handle_table));
944 if (!schan_handle_table)
945 {
946 ERR("Failed to allocate schannel handle table.\n");
947 goto fail;
948 }
949 schan_handle_table_size = 64;
950
951 provider = SECUR32_addProvider(&schanTableA, &schanTableW, schannelDllName);
952 if (!provider)
953 {
954 ERR("Failed to add schannel provider.\n");
955 goto fail;
956 }
957
958 SECUR32_addPackages(provider, sizeof(info) / sizeof(info[0]), NULL, info);
959
960 return;
961
962fail:
963 HeapFree(GetProcessHeap(), 0, schan_handle_table);
964 schan_handle_table = NULL;
965 wine_dlclose(libgnutls_handle, NULL, 0);
966 libgnutls_handle = NULL;
967 return;
968}
969
970void SECUR32_deinitSchannelSP(void)
971{
972 if (!libgnutls_handle) return;
973
974 pgnutls_global_deinit();
975 wine_dlclose(libgnutls_handle, NULL, 0);
976}
977
978#else /* SONAME_LIBGNUTLS */
979
980void SECUR32_initSchannelSP(void) {}
981void SECUR32_deinitSchannelSP(void) {}
982
983#endif /* SONAME_LIBGNUTLS */
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