1 /* Copyright (C) 2005 Juan Lang
2 * Copyright 2008 Henri Verbeet
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.
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.
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
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
23 #include "wine/port.h"
28 #ifdef SONAME_LIBGNUTLS
29 #include <gnutls/gnutls.h>
37 #include "secur32_priv.h"
38 #include "wine/debug.h"
39 #include "wine/library.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(secur32
);
43 #ifdef SONAME_LIBGNUTLS
45 static void *libgnutls_handle
;
46 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
47 MAKE_FUNCPTR(gnutls_alert_get
);
48 MAKE_FUNCPTR(gnutls_alert_get_name
);
49 MAKE_FUNCPTR(gnutls_certificate_allocate_credentials
);
50 MAKE_FUNCPTR(gnutls_certificate_free_credentials
);
51 MAKE_FUNCPTR(gnutls_cipher_get
);
52 MAKE_FUNCPTR(gnutls_credentials_set
);
53 MAKE_FUNCPTR(gnutls_deinit
);
54 MAKE_FUNCPTR(gnutls_global_deinit
);
55 MAKE_FUNCPTR(gnutls_global_init
);
56 MAKE_FUNCPTR(gnutls_global_set_log_function
);
57 MAKE_FUNCPTR(gnutls_global_set_log_level
);
58 MAKE_FUNCPTR(gnutls_handshake
);
59 MAKE_FUNCPTR(gnutls_init
);
60 MAKE_FUNCPTR(gnutls_mac_get
);
61 MAKE_FUNCPTR(gnutls_mac_get_key_size
);
62 MAKE_FUNCPTR(gnutls_perror
);
63 MAKE_FUNCPTR(gnutls_set_default_priority
);
64 MAKE_FUNCPTR(gnutls_record_recv
);
65 MAKE_FUNCPTR(gnutls_record_send
);
66 MAKE_FUNCPTR(gnutls_transport_set_errno
);
67 MAKE_FUNCPTR(gnutls_transport_set_ptr
);
68 MAKE_FUNCPTR(gnutls_transport_set_pull_function
);
69 MAKE_FUNCPTR(gnutls_transport_set_push_function
);
72 #define SCHAN_INVALID_HANDLE ~0UL
74 enum schan_handle_type
84 enum schan_handle_type type
;
87 struct schan_credentials
90 gnutls_certificate_credentials credentials
;
95 gnutls_session_t session
;
99 struct schan_transport
;
104 const SecBufferDesc
*desc
;
105 int current_buffer_idx
;
106 BOOL allow_buffer_resize
;
107 int (*get_next_buffer
)(const struct schan_transport
*, struct schan_buffers
*);
110 struct schan_transport
112 struct schan_context
*ctx
;
113 struct schan_buffers in
;
114 struct schan_buffers out
;
117 static struct schan_handle
*schan_handle_table
;
118 static struct schan_handle
*schan_free_handles
;
119 static SIZE_T schan_handle_table_size
;
120 static SIZE_T schan_handle_count
;
122 static ULONG_PTR
schan_alloc_handle(void *object
, enum schan_handle_type type
)
124 struct schan_handle
*handle
;
126 if (schan_free_handles
)
128 /* Use a free handle */
129 handle
= schan_free_handles
;
130 if (handle
->type
!= SCHAN_HANDLE_FREE
)
132 ERR("Handle %d(%p) is in the free list, but has type %#x.\n", (handle
-schan_handle_table
), handle
, handle
->type
);
133 return SCHAN_INVALID_HANDLE
;
135 schan_free_handles
= handle
->object
;
136 handle
->object
= object
;
139 return handle
- schan_handle_table
;
141 if (!(schan_handle_count
< schan_handle_table_size
))
144 SIZE_T new_size
= schan_handle_table_size
+ (schan_handle_table_size
>> 1);
145 struct schan_handle
*new_table
= HeapReAlloc(GetProcessHeap(), 0, schan_handle_table
, new_size
* sizeof(*schan_handle_table
));
148 ERR("Failed to grow the handle table\n");
149 return SCHAN_INVALID_HANDLE
;
151 schan_handle_table
= new_table
;
152 schan_handle_table_size
= new_size
;
155 handle
= &schan_handle_table
[schan_handle_count
++];
156 handle
->object
= object
;
159 return handle
- schan_handle_table
;
162 static void *schan_free_handle(ULONG_PTR handle_idx
, enum schan_handle_type type
)
164 struct schan_handle
*handle
;
167 if (handle_idx
== SCHAN_INVALID_HANDLE
) return NULL
;
168 handle
= &schan_handle_table
[handle_idx
];
169 if (handle
->type
!= type
)
171 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx
, handle
, type
);
175 object
= handle
->object
;
176 handle
->object
= schan_free_handles
;
177 handle
->type
= SCHAN_HANDLE_FREE
;
178 schan_free_handles
= handle
;
183 static void *schan_get_object(ULONG_PTR handle_idx
, enum schan_handle_type type
)
185 struct schan_handle
*handle
;
187 if (handle_idx
== SCHAN_INVALID_HANDLE
) return NULL
;
188 handle
= &schan_handle_table
[handle_idx
];
189 if (handle
->type
!= type
)
191 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx
, handle
, type
);
195 return handle
->object
;
198 static SECURITY_STATUS
schan_QueryCredentialsAttributes(
199 PCredHandle phCredential
, ULONG ulAttribute
, VOID
*pBuffer
)
205 case SECPKG_ATTR_SUPPORTED_ALGS
:
208 /* FIXME: get from CryptoAPI */
209 FIXME("SECPKG_ATTR_SUPPORTED_ALGS: stub\n");
210 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
213 ret
= SEC_E_INTERNAL_ERROR
;
215 case SECPKG_ATTR_CIPHER_STRENGTHS
:
218 SecPkgCred_CipherStrengths
*r
= pBuffer
;
220 /* FIXME: get from CryptoAPI */
221 FIXME("SECPKG_ATTR_CIPHER_STRENGTHS: semi-stub\n");
222 r
->dwMinimumCipherStrength
= 40;
223 r
->dwMaximumCipherStrength
= 168;
227 ret
= SEC_E_INTERNAL_ERROR
;
229 case SECPKG_ATTR_SUPPORTED_PROTOCOLS
:
232 /* FIXME: get from OpenSSL? */
233 FIXME("SECPKG_ATTR_SUPPORTED_PROTOCOLS: stub\n");
234 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
237 ret
= SEC_E_INTERNAL_ERROR
;
240 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
245 static SECURITY_STATUS SEC_ENTRY
schan_QueryCredentialsAttributesA(
246 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
250 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
254 case SECPKG_CRED_ATTR_NAMES
:
255 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
256 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
259 ret
= schan_QueryCredentialsAttributes(phCredential
, ulAttribute
,
265 static SECURITY_STATUS SEC_ENTRY
schan_QueryCredentialsAttributesW(
266 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
270 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
274 case SECPKG_CRED_ATTR_NAMES
:
275 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
276 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
279 ret
= schan_QueryCredentialsAttributes(phCredential
, ulAttribute
,
285 static SECURITY_STATUS
schan_CheckCreds(const SCHANNEL_CRED
*schanCred
)
289 switch (schanCred
->dwVersion
)
292 case SCHANNEL_CRED_VERSION
:
295 return SEC_E_INTERNAL_ERROR
;
298 if (schanCred
->cCreds
== 0)
299 st
= SEC_E_NO_CREDENTIALS
;
300 else if (schanCred
->cCreds
> 1)
301 st
= SEC_E_UNKNOWN_CREDENTIALS
;
308 ret
= CryptAcquireCertificatePrivateKey(schanCred
->paCred
[0],
309 0, /* FIXME: what flags to use? */ NULL
,
310 &csp
, &keySpec
, &freeCSP
);
315 CryptReleaseContext(csp
, 0);
318 st
= SEC_E_UNKNOWN_CREDENTIALS
;
323 static SECURITY_STATUS
schan_AcquireClientCredentials(const SCHANNEL_CRED
*schanCred
,
324 PCredHandle phCredential
, PTimeStamp ptsExpiry
)
326 struct schan_credentials
*creds
;
327 SECURITY_STATUS st
= SEC_E_OK
;
329 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred
, phCredential
, ptsExpiry
);
333 st
= schan_CheckCreds(schanCred
);
334 if (st
== SEC_E_NO_CREDENTIALS
)
338 /* For now, the only thing I'm interested in is the direction of the
339 * connection, so just store it.
346 creds
= HeapAlloc(GetProcessHeap(), 0, sizeof(*creds
));
347 if (!creds
) return SEC_E_INSUFFICIENT_MEMORY
;
349 handle
= schan_alloc_handle(creds
, SCHAN_HANDLE_CRED
);
350 if (handle
== SCHAN_INVALID_HANDLE
) goto fail
;
352 creds
->credential_use
= SECPKG_CRED_OUTBOUND
;
353 ret
= pgnutls_certificate_allocate_credentials(&creds
->credentials
);
354 if (ret
!= GNUTLS_E_SUCCESS
)
357 schan_free_handle(handle
, SCHAN_HANDLE_CRED
);
361 phCredential
->dwLower
= handle
;
362 phCredential
->dwUpper
= 0;
364 /* Outbound credentials have no expiry */
367 ptsExpiry
->LowPart
= 0;
368 ptsExpiry
->HighPart
= 0;
374 HeapFree(GetProcessHeap(), 0, creds
);
375 return SEC_E_INTERNAL_ERROR
;
378 static SECURITY_STATUS
schan_AcquireServerCredentials(const SCHANNEL_CRED
*schanCred
,
379 PCredHandle phCredential
, PTimeStamp ptsExpiry
)
383 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred
, phCredential
, ptsExpiry
);
385 if (!schanCred
) return SEC_E_NO_CREDENTIALS
;
387 st
= schan_CheckCreds(schanCred
);
391 struct schan_credentials
*creds
;
393 creds
= HeapAlloc(GetProcessHeap(), 0, sizeof(*creds
));
394 if (!creds
) return SEC_E_INSUFFICIENT_MEMORY
;
395 creds
->credential_use
= SECPKG_CRED_INBOUND
;
397 handle
= schan_alloc_handle(creds
, SCHAN_HANDLE_CRED
);
398 if (handle
== SCHAN_INVALID_HANDLE
)
400 HeapFree(GetProcessHeap(), 0, creds
);
401 return SEC_E_INTERNAL_ERROR
;
404 phCredential
->dwLower
= handle
;
405 phCredential
->dwUpper
= 0;
407 /* FIXME: get expiry from cert */
412 static SECURITY_STATUS
schan_AcquireCredentialsHandle(ULONG fCredentialUse
,
413 const SCHANNEL_CRED
*schanCred
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
417 if (fCredentialUse
== SECPKG_CRED_OUTBOUND
)
418 ret
= schan_AcquireClientCredentials(schanCred
, phCredential
,
421 ret
= schan_AcquireServerCredentials(schanCred
, phCredential
,
426 static SECURITY_STATUS SEC_ENTRY
schan_AcquireCredentialsHandleA(
427 SEC_CHAR
*pszPrincipal
, SEC_CHAR
*pszPackage
, ULONG fCredentialUse
,
428 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
429 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
431 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
432 debugstr_a(pszPrincipal
), debugstr_a(pszPackage
), fCredentialUse
,
433 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
434 return schan_AcquireCredentialsHandle(fCredentialUse
,
435 pAuthData
, phCredential
, ptsExpiry
);
438 static SECURITY_STATUS SEC_ENTRY
schan_AcquireCredentialsHandleW(
439 SEC_WCHAR
*pszPrincipal
, SEC_WCHAR
*pszPackage
, ULONG fCredentialUse
,
440 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
441 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
443 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
444 debugstr_w(pszPrincipal
), debugstr_w(pszPackage
), fCredentialUse
,
445 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
446 return schan_AcquireCredentialsHandle(fCredentialUse
,
447 pAuthData
, phCredential
, ptsExpiry
);
450 static SECURITY_STATUS SEC_ENTRY
schan_FreeCredentialsHandle(
451 PCredHandle phCredential
)
453 struct schan_credentials
*creds
;
455 TRACE("phCredential %p\n", phCredential
);
457 if (!phCredential
) return SEC_E_INVALID_HANDLE
;
459 creds
= schan_free_handle(phCredential
->dwLower
, SCHAN_HANDLE_CRED
);
460 if (!creds
) return SEC_E_INVALID_HANDLE
;
462 if (creds
->credential_use
== SECPKG_CRED_OUTBOUND
)
463 pgnutls_certificate_free_credentials(creds
->credentials
);
464 HeapFree(GetProcessHeap(), 0, creds
);
469 static void init_schan_buffers(struct schan_buffers
*s
, const PSecBufferDesc desc
,
470 int (*get_next_buffer
)(const struct schan_transport
*, struct schan_buffers
*))
474 s
->current_buffer_idx
= -1;
475 s
->allow_buffer_resize
= FALSE
;
476 s
->get_next_buffer
= get_next_buffer
;
479 static int schan_find_sec_buffer_idx(const SecBufferDesc
*desc
, unsigned int start_idx
, ULONG buffer_type
)
484 for (i
= start_idx
; i
< desc
->cBuffers
; ++i
)
486 buffer
= &desc
->pBuffers
[i
];
487 if (buffer
->BufferType
== buffer_type
) return i
;
493 static void schan_resize_current_buffer(const struct schan_buffers
*s
, SIZE_T min_size
)
495 SecBuffer
*b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
496 SIZE_T new_size
= b
->cbBuffer
? b
->cbBuffer
* 2 : 128;
499 if (b
->cbBuffer
>= min_size
|| !s
->allow_buffer_resize
|| min_size
> UINT_MAX
/ 2) return;
501 while (new_size
< min_size
) new_size
*= 2;
504 new_data
= HeapReAlloc(GetProcessHeap(), 0, b
->pvBuffer
, new_size
);
506 new_data
= HeapAlloc(GetProcessHeap(), 0, new_size
);
510 TRACE("Failed to resize %p from %d to %ld\n", b
->pvBuffer
, b
->cbBuffer
, new_size
);
514 b
->cbBuffer
= new_size
;
515 b
->pvBuffer
= new_data
;
518 static char *schan_get_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
, size_t *count
)
529 if (s
->current_buffer_idx
== -1)
532 int buffer_idx
= s
->get_next_buffer(t
, s
);
533 if (buffer_idx
== -1)
535 TRACE("No next buffer\n");
538 s
->current_buffer_idx
= buffer_idx
;
541 buffer
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
542 TRACE("Using buffer %d: cbBuffer %d, BufferType %#x, pvBuffer %p\n", s
->current_buffer_idx
, buffer
->cbBuffer
, buffer
->BufferType
, buffer
->pvBuffer
);
544 schan_resize_current_buffer(s
, s
->offset
+ *count
);
545 max_count
= buffer
->cbBuffer
- s
->offset
;
550 s
->allow_buffer_resize
= FALSE
;
551 buffer_idx
= s
->get_next_buffer(t
, s
);
552 if (buffer_idx
== -1)
554 TRACE("No next buffer\n");
557 s
->current_buffer_idx
= buffer_idx
;
559 return schan_get_buffer(t
, s
, count
);
562 if (*count
> max_count
) *count
= max_count
;
563 return (char *)buffer
->pvBuffer
+ s
->offset
;
566 static ssize_t
schan_pull(gnutls_transport_ptr_t transport
, void *buff
, size_t buff_len
)
568 struct schan_transport
*t
= transport
;
571 TRACE("Pull %zu bytes\n", buff_len
);
573 b
= schan_get_buffer(t
, &t
->in
, &buff_len
);
576 pgnutls_transport_set_errno(t
->ctx
->session
, EAGAIN
);
580 memcpy(buff
, b
, buff_len
);
581 t
->in
.offset
+= buff_len
;
583 TRACE("Read %zu bytes\n", buff_len
);
588 static ssize_t
schan_push(gnutls_transport_ptr_t transport
, const void *buff
, size_t buff_len
)
590 struct schan_transport
*t
= transport
;
593 TRACE("Push %zu bytes\n", buff_len
);
595 b
= schan_get_buffer(t
, &t
->out
, &buff_len
);
598 pgnutls_transport_set_errno(t
->ctx
->session
, EAGAIN
);
602 memcpy(b
, buff
, buff_len
);
603 t
->out
.offset
+= buff_len
;
605 TRACE("Wrote %zu bytes\n", buff_len
);
610 static int schan_init_sec_ctx_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
612 if (s
->current_buffer_idx
== -1)
614 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
615 if (t
->ctx
->req_ctx_attr
& ISC_REQ_ALLOCATE_MEMORY
)
619 idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_EMPTY
);
620 if (idx
!= -1) s
->desc
->pBuffers
[idx
].BufferType
= SECBUFFER_TOKEN
;
622 if (idx
!= -1 && !s
->desc
->pBuffers
[idx
].pvBuffer
)
624 s
->desc
->pBuffers
[idx
].cbBuffer
= 0;
625 s
->allow_buffer_resize
= TRUE
;
634 static void dump_buffer_desc(SecBufferDesc
*desc
)
639 TRACE("Buffer desc %p:\n", desc
);
640 for (i
= 0; i
< desc
->cBuffers
; ++i
)
642 SecBuffer
*b
= &desc
->pBuffers
[i
];
643 TRACE("\tbuffer %u: cbBuffer %d, BufferType %#x pvBuffer %p\n", i
, b
->cbBuffer
, b
->BufferType
, b
->pvBuffer
);
647 /***********************************************************************
648 * InitializeSecurityContextW
650 static SECURITY_STATUS SEC_ENTRY
schan_InitializeSecurityContextW(
651 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_WCHAR
*pszTargetName
,
652 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
653 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
654 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
656 struct schan_context
*ctx
;
657 struct schan_buffers
*out_buffers
;
658 struct schan_credentials
*cred
;
659 struct schan_transport transport
;
662 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
663 debugstr_w(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
664 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
666 dump_buffer_desc(pInput
);
667 dump_buffer_desc(pOutput
);
673 if (!phCredential
) return SEC_E_INVALID_HANDLE
;
675 cred
= schan_get_object(phCredential
->dwLower
, SCHAN_HANDLE_CRED
);
676 if (!cred
) return SEC_E_INVALID_HANDLE
;
678 if (!(cred
->credential_use
& SECPKG_CRED_OUTBOUND
))
680 WARN("Invalid credential use %#x\n", cred
->credential_use
);
681 return SEC_E_INVALID_HANDLE
;
684 ctx
= HeapAlloc(GetProcessHeap(), 0, sizeof(*ctx
));
685 if (!ctx
) return SEC_E_INSUFFICIENT_MEMORY
;
687 handle
= schan_alloc_handle(ctx
, SCHAN_HANDLE_CTX
);
688 if (handle
== SCHAN_INVALID_HANDLE
)
690 HeapFree(GetProcessHeap(), 0, ctx
);
691 return SEC_E_INTERNAL_ERROR
;
694 err
= pgnutls_init(&ctx
->session
, GNUTLS_CLIENT
);
695 if (err
!= GNUTLS_E_SUCCESS
)
698 schan_free_handle(handle
, SCHAN_HANDLE_CTX
);
699 HeapFree(GetProcessHeap(), 0, ctx
);
700 return SEC_E_INTERNAL_ERROR
;
703 /* FIXME: We should be using the information from the credentials here. */
704 FIXME("Using hardcoded \"NORMAL\" priority\n");
705 err
= pgnutls_set_default_priority(ctx
->session
);
706 if (err
!= GNUTLS_E_SUCCESS
)
709 pgnutls_deinit(ctx
->session
);
710 schan_free_handle(handle
, SCHAN_HANDLE_CTX
);
711 HeapFree(GetProcessHeap(), 0, ctx
);
714 err
= pgnutls_credentials_set(ctx
->session
, GNUTLS_CRD_CERTIFICATE
, cred
->credentials
);
715 if (err
!= GNUTLS_E_SUCCESS
)
718 pgnutls_deinit(ctx
->session
);
719 schan_free_handle(handle
, SCHAN_HANDLE_CTX
);
720 HeapFree(GetProcessHeap(), 0, ctx
);
723 pgnutls_transport_set_pull_function(ctx
->session
, schan_pull
);
724 pgnutls_transport_set_push_function(ctx
->session
, schan_push
);
726 phNewContext
->dwLower
= handle
;
727 phNewContext
->dwUpper
= 0;
731 ctx
= schan_get_object(phContext
->dwLower
, SCHAN_HANDLE_CTX
);
734 ctx
->req_ctx_attr
= fContextReq
;
737 init_schan_buffers(&transport
.in
, pInput
, schan_init_sec_ctx_get_next_buffer
);
738 init_schan_buffers(&transport
.out
, pOutput
, schan_init_sec_ctx_get_next_buffer
);
739 pgnutls_transport_set_ptr(ctx
->session
, &transport
);
741 /* Perform the TLS handshake */
742 err
= pgnutls_handshake(ctx
->session
);
744 out_buffers
= &transport
.out
;
745 if (out_buffers
->current_buffer_idx
!= -1)
747 SecBuffer
*buffer
= &out_buffers
->desc
->pBuffers
[out_buffers
->current_buffer_idx
];
748 buffer
->cbBuffer
= out_buffers
->offset
;
752 if (ctx
->req_ctx_attr
& ISC_REQ_ALLOCATE_MEMORY
)
753 *pfContextAttr
|= ISC_RET_ALLOCATED_MEMORY
;
757 case GNUTLS_E_SUCCESS
:
758 TRACE("Handshake completed\n");
762 TRACE("Continue...\n");
763 return SEC_I_CONTINUE_NEEDED
;
765 case GNUTLS_E_WARNING_ALERT_RECEIVED
:
766 case GNUTLS_E_FATAL_ALERT_RECEIVED
:
768 gnutls_alert_description_t alert
= pgnutls_alert_get(ctx
->session
);
769 const char *alert_name
= pgnutls_alert_get_name(alert
);
770 WARN("ALERT: %d %s\n", alert
, alert_name
);
771 return SEC_E_INTERNAL_ERROR
;
776 return SEC_E_INTERNAL_ERROR
;
780 /***********************************************************************
781 * InitializeSecurityContextA
783 static SECURITY_STATUS SEC_ENTRY
schan_InitializeSecurityContextA(
784 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_CHAR
*pszTargetName
,
785 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
786 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
787 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
790 SEC_WCHAR
*target_name
= NULL
;
792 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
793 debugstr_a(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
794 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
798 INT len
= MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, -1, NULL
, 0);
799 target_name
= HeapAlloc(GetProcessHeap(), 0, len
* sizeof(*target_name
));
800 MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, -1, target_name
, len
);
803 ret
= schan_InitializeSecurityContextW(phCredential
, phContext
, target_name
,
804 fContextReq
, Reserved1
, TargetDataRep
, pInput
, Reserved2
,
805 phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
807 HeapFree(GetProcessHeap(), 0, target_name
);
812 static unsigned int schannel_get_cipher_block_size(gnutls_cipher_algorithm_t cipher
)
816 gnutls_cipher_algorithm_t cipher
;
817 unsigned int block_size
;
821 {GNUTLS_CIPHER_3DES_CBC
, 8},
822 {GNUTLS_CIPHER_AES_128_CBC
, 16},
823 {GNUTLS_CIPHER_AES_256_CBC
, 16},
824 {GNUTLS_CIPHER_ARCFOUR_128
, 1},
825 {GNUTLS_CIPHER_ARCFOUR_40
, 1},
826 {GNUTLS_CIPHER_DES_CBC
, 8},
827 {GNUTLS_CIPHER_NULL
, 1},
828 {GNUTLS_CIPHER_RC2_40_CBC
, 8},
832 for (i
= 0; i
< sizeof(algorithms
) / sizeof(*algorithms
); ++i
)
834 if (algorithms
[i
].cipher
== cipher
)
835 return algorithms
[i
].block_size
;
838 FIXME("Unknown cipher %#x, returning 1\n", cipher
);
843 static SECURITY_STATUS SEC_ENTRY
schan_QueryContextAttributesW(
844 PCtxtHandle context_handle
, ULONG attribute
, PVOID buffer
)
846 struct schan_context
*ctx
;
848 TRACE("context_handle %p, attribute %#x, buffer %p\n",
849 context_handle
, attribute
, buffer
);
851 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
852 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
856 case SECPKG_ATTR_STREAM_SIZES
:
858 SecPkgContext_StreamSizes
*stream_sizes
= buffer
;
859 gnutls_mac_algorithm_t mac
= pgnutls_mac_get(ctx
->session
);
860 size_t mac_size
= pgnutls_mac_get_key_size(mac
);
861 gnutls_cipher_algorithm_t cipher
= pgnutls_cipher_get(ctx
->session
);
862 unsigned int block_size
= schannel_get_cipher_block_size(cipher
);
864 TRACE("Using %zu mac bytes, block size %u\n", mac_size
, block_size
);
866 /* These are defined by the TLS RFC */
867 stream_sizes
->cbHeader
= 5;
868 stream_sizes
->cbTrailer
= mac_size
+ 256; /* Max 255 bytes padding + 1 for padding size */
869 stream_sizes
->cbMaximumMessage
= 1 << 14;
870 stream_sizes
->cbBuffers
= 4;
871 stream_sizes
->cbBlockSize
= block_size
;
876 FIXME("Unhandled attribute %#x\n", attribute
);
877 return SEC_E_UNSUPPORTED_FUNCTION
;
881 static SECURITY_STATUS SEC_ENTRY
schan_QueryContextAttributesA(
882 PCtxtHandle context_handle
, ULONG attribute
, PVOID buffer
)
884 TRACE("context_handle %p, attribute %#x, buffer %p\n",
885 context_handle
, attribute
, buffer
);
889 case SECPKG_ATTR_STREAM_SIZES
:
890 return schan_QueryContextAttributesW(context_handle
, attribute
, buffer
);
893 FIXME("Unhandled attribute %#x\n", attribute
);
894 return SEC_E_UNSUPPORTED_FUNCTION
;
898 static int schan_encrypt_message_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
902 if (s
->current_buffer_idx
== -1)
903 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_STREAM_HEADER
);
905 b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
907 if (b
->BufferType
== SECBUFFER_STREAM_HEADER
)
908 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
910 if (b
->BufferType
== SECBUFFER_DATA
)
911 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_STREAM_TRAILER
);
916 static int schan_encrypt_message_get_next_buffer_token(const struct schan_transport
*t
, struct schan_buffers
*s
)
920 if (s
->current_buffer_idx
== -1)
921 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
923 b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
925 if (b
->BufferType
== SECBUFFER_TOKEN
)
927 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
928 if (idx
!= s
->current_buffer_idx
) return -1;
929 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
932 if (b
->BufferType
== SECBUFFER_DATA
)
934 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
936 idx
= schan_find_sec_buffer_idx(s
->desc
, idx
+ 1, SECBUFFER_TOKEN
);
943 static SECURITY_STATUS SEC_ENTRY
schan_EncryptMessage(PCtxtHandle context_handle
,
944 ULONG quality
, PSecBufferDesc message
, ULONG message_seq_no
)
946 struct schan_transport transport
;
947 struct schan_context
*ctx
;
948 struct schan_buffers
*b
;
956 TRACE("context_handle %p, quality %d, message %p, message_seq_no %d\n",
957 context_handle
, quality
, message
, message_seq_no
);
959 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
960 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
962 dump_buffer_desc(message
);
964 idx
= schan_find_sec_buffer_idx(message
, 0, SECBUFFER_DATA
);
967 WARN("No data buffer passed\n");
968 return SEC_E_INTERNAL_ERROR
;
970 buffer
= &message
->pBuffers
[idx
];
972 data_size
= buffer
->cbBuffer
;
973 data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
974 memcpy(data
, buffer
->pvBuffer
, data_size
);
977 init_schan_buffers(&transport
.in
, NULL
, NULL
);
978 if (schan_find_sec_buffer_idx(message
, 0, SECBUFFER_STREAM_HEADER
) != -1)
979 init_schan_buffers(&transport
.out
, message
, schan_encrypt_message_get_next_buffer
);
981 init_schan_buffers(&transport
.out
, message
, schan_encrypt_message_get_next_buffer_token
);
982 pgnutls_transport_set_ptr(ctx
->session
, &transport
);
984 while (sent
< data_size
)
986 ret
= pgnutls_record_send(ctx
->session
, data
+ sent
, data_size
- sent
);
989 if (ret
!= GNUTLS_E_AGAIN
)
992 HeapFree(GetProcessHeap(), 0, data
);
993 ERR("Returning SEC_E_INTERNAL_ERROR\n");
994 return SEC_E_INTERNAL_ERROR
;
1001 TRACE("Sent %zd bytes\n", sent
);
1004 b
->desc
->pBuffers
[b
->current_buffer_idx
].cbBuffer
= b
->offset
;
1005 HeapFree(GetProcessHeap(), 0, data
);
1010 static int schan_decrypt_message_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
1012 if (s
->current_buffer_idx
== -1)
1013 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
1018 static SECURITY_STATUS SEC_ENTRY
schan_DecryptMessage(PCtxtHandle context_handle
,
1019 PSecBufferDesc message
, ULONG message_seq_no
, PULONG quality
)
1021 struct schan_transport transport
;
1022 struct schan_context
*ctx
;
1026 ssize_t received
= 0;
1030 TRACE("context_handle %p, message %p, message_seq_no %d, quality %p\n",
1031 context_handle
, message
, message_seq_no
, quality
);
1033 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
1034 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
1036 dump_buffer_desc(message
);
1038 idx
= schan_find_sec_buffer_idx(message
, 0, SECBUFFER_DATA
);
1041 WARN("No data buffer passed\n");
1042 return SEC_E_INTERNAL_ERROR
;
1044 buffer
= &message
->pBuffers
[idx
];
1046 data_size
= buffer
->cbBuffer
;
1047 data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
1049 transport
.ctx
= ctx
;
1050 init_schan_buffers(&transport
.in
, message
, schan_decrypt_message_get_next_buffer
);
1051 init_schan_buffers(&transport
.out
, NULL
, NULL
);
1052 pgnutls_transport_set_ptr(ctx
->session
, (gnutls_transport_ptr_t
)&transport
);
1054 while (received
< data_size
)
1056 ret
= pgnutls_record_recv(ctx
->session
, data
+ received
, data_size
- received
);
1059 if (ret
== GNUTLS_E_AGAIN
)
1063 pgnutls_perror(ret
);
1064 HeapFree(GetProcessHeap(), 0, data
);
1065 TRACE("Returning SEC_E_INCOMPLETE_MESSAGE\n");
1066 return SEC_E_INCOMPLETE_MESSAGE
;
1072 pgnutls_perror(ret
);
1073 HeapFree(GetProcessHeap(), 0, data
);
1074 ERR("Returning SEC_E_INTERNAL_ERROR\n");
1075 return SEC_E_INTERNAL_ERROR
;
1081 TRACE("Received %zd bytes\n", received
);
1083 memcpy(buffer
->pvBuffer
, data
, received
);
1084 buffer
->cbBuffer
= received
;
1085 HeapFree(GetProcessHeap(), 0, data
);
1090 static SECURITY_STATUS SEC_ENTRY
schan_DeleteSecurityContext(PCtxtHandle context_handle
)
1092 struct schan_context
*ctx
;
1094 TRACE("context_handle %p\n", context_handle
);
1096 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
1098 ctx
= schan_free_handle(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
1099 if (!ctx
) return SEC_E_INVALID_HANDLE
;
1101 pgnutls_deinit(ctx
->session
);
1102 HeapFree(GetProcessHeap(), 0, ctx
);
1107 static void schan_gnutls_log(int level
, const char *msg
)
1109 TRACE("<%d> %s", level
, msg
);
1112 static const SecurityFunctionTableA schanTableA
= {
1114 NULL
, /* EnumerateSecurityPackagesA */
1115 schan_QueryCredentialsAttributesA
,
1116 schan_AcquireCredentialsHandleA
,
1117 schan_FreeCredentialsHandle
,
1118 NULL
, /* Reserved2 */
1119 schan_InitializeSecurityContextA
,
1120 NULL
, /* AcceptSecurityContext */
1121 NULL
, /* CompleteAuthToken */
1122 schan_DeleteSecurityContext
,
1123 NULL
, /* ApplyControlToken */
1124 schan_QueryContextAttributesA
,
1125 NULL
, /* ImpersonateSecurityContext */
1126 NULL
, /* RevertSecurityContext */
1127 NULL
, /* MakeSignature */
1128 NULL
, /* VerifySignature */
1130 NULL
, /* QuerySecurityPackageInfoA */
1131 NULL
, /* Reserved3 */
1132 NULL
, /* Reserved4 */
1133 NULL
, /* ExportSecurityContext */
1134 NULL
, /* ImportSecurityContextA */
1135 NULL
, /* AddCredentialsA */
1136 NULL
, /* Reserved8 */
1137 NULL
, /* QuerySecurityContextToken */
1138 schan_EncryptMessage
,
1139 schan_DecryptMessage
,
1140 NULL
, /* SetContextAttributesA */
1143 static const SecurityFunctionTableW schanTableW
= {
1145 NULL
, /* EnumerateSecurityPackagesW */
1146 schan_QueryCredentialsAttributesW
,
1147 schan_AcquireCredentialsHandleW
,
1148 schan_FreeCredentialsHandle
,
1149 NULL
, /* Reserved2 */
1150 schan_InitializeSecurityContextW
,
1151 NULL
, /* AcceptSecurityContext */
1152 NULL
, /* CompleteAuthToken */
1153 schan_DeleteSecurityContext
,
1154 NULL
, /* ApplyControlToken */
1155 schan_QueryContextAttributesW
,
1156 NULL
, /* ImpersonateSecurityContext */
1157 NULL
, /* RevertSecurityContext */
1158 NULL
, /* MakeSignature */
1159 NULL
, /* VerifySignature */
1161 NULL
, /* QuerySecurityPackageInfoW */
1162 NULL
, /* Reserved3 */
1163 NULL
, /* Reserved4 */
1164 NULL
, /* ExportSecurityContext */
1165 NULL
, /* ImportSecurityContextW */
1166 NULL
, /* AddCredentialsW */
1167 NULL
, /* Reserved8 */
1168 NULL
, /* QuerySecurityContextToken */
1169 schan_EncryptMessage
,
1170 schan_DecryptMessage
,
1171 NULL
, /* SetContextAttributesW */
1174 static const WCHAR schannelComment
[] = { 'S','c','h','a','n','n','e','l',' ',
1175 'S','e','c','u','r','i','t','y',' ','P','a','c','k','a','g','e',0 };
1176 static const WCHAR schannelDllName
[] = { 's','c','h','a','n','n','e','l','.','d','l','l',0 };
1178 void SECUR32_initSchannelSP(void)
1180 /* This is what Windows reports. This shouldn't break any applications
1181 * even though the functions are missing, because the wrapper will
1182 * return SEC_E_UNSUPPORTED_FUNCTION if our function is NULL.
1184 static const long caps
=
1185 SECPKG_FLAG_INTEGRITY
|
1186 SECPKG_FLAG_PRIVACY
|
1187 SECPKG_FLAG_CONNECTION
|
1188 SECPKG_FLAG_MULTI_REQUIRED
|
1189 SECPKG_FLAG_EXTENDED_ERROR
|
1190 SECPKG_FLAG_IMPERSONATION
|
1191 SECPKG_FLAG_ACCEPT_WIN32_NAME
|
1193 static const short version
= 1;
1194 static const long maxToken
= 16384;
1195 SEC_WCHAR
*uniSPName
= (SEC_WCHAR
*)UNISP_NAME_W
,
1196 *schannel
= (SEC_WCHAR
*)SCHANNEL_NAME_W
;
1197 const SecPkgInfoW info
[] = {
1198 { caps
, version
, UNISP_RPC_ID
, maxToken
, uniSPName
, uniSPName
},
1199 { caps
, version
, UNISP_RPC_ID
, maxToken
, schannel
,
1200 (SEC_WCHAR
*)schannelComment
},
1202 SecureProvider
*provider
;
1205 libgnutls_handle
= wine_dlopen(SONAME_LIBGNUTLS
, RTLD_NOW
, NULL
, 0);
1206 if (!libgnutls_handle
)
1208 WARN("Failed to load libgnutls.\n");
1212 #define LOAD_FUNCPTR(f) \
1213 if (!(p##f = wine_dlsym(libgnutls_handle, #f, NULL, 0))) \
1215 ERR("Failed to load %s\n", #f); \
1219 LOAD_FUNCPTR(gnutls_alert_get
)
1220 LOAD_FUNCPTR(gnutls_alert_get_name
)
1221 LOAD_FUNCPTR(gnutls_certificate_allocate_credentials
)
1222 LOAD_FUNCPTR(gnutls_certificate_free_credentials
)
1223 LOAD_FUNCPTR(gnutls_cipher_get
)
1224 LOAD_FUNCPTR(gnutls_credentials_set
)
1225 LOAD_FUNCPTR(gnutls_deinit
)
1226 LOAD_FUNCPTR(gnutls_global_deinit
)
1227 LOAD_FUNCPTR(gnutls_global_init
)
1228 LOAD_FUNCPTR(gnutls_global_set_log_function
)
1229 LOAD_FUNCPTR(gnutls_global_set_log_level
)
1230 LOAD_FUNCPTR(gnutls_handshake
)
1231 LOAD_FUNCPTR(gnutls_init
)
1232 LOAD_FUNCPTR(gnutls_mac_get
)
1233 LOAD_FUNCPTR(gnutls_mac_get_key_size
)
1234 LOAD_FUNCPTR(gnutls_perror
)
1235 LOAD_FUNCPTR(gnutls_set_default_priority
)
1236 LOAD_FUNCPTR(gnutls_record_recv
);
1237 LOAD_FUNCPTR(gnutls_record_send
);
1238 LOAD_FUNCPTR(gnutls_transport_set_errno
)
1239 LOAD_FUNCPTR(gnutls_transport_set_ptr
)
1240 LOAD_FUNCPTR(gnutls_transport_set_pull_function
)
1241 LOAD_FUNCPTR(gnutls_transport_set_push_function
)
1244 ret
= pgnutls_global_init();
1245 if (ret
!= GNUTLS_E_SUCCESS
)
1247 pgnutls_perror(ret
);
1251 if (TRACE_ON(secur32
))
1253 pgnutls_global_set_log_level(4);
1254 pgnutls_global_set_log_function(schan_gnutls_log
);
1257 schan_handle_table
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, 64 * sizeof(*schan_handle_table
));
1258 if (!schan_handle_table
)
1260 ERR("Failed to allocate schannel handle table.\n");
1263 schan_handle_table_size
= 64;
1265 provider
= SECUR32_addProvider(&schanTableA
, &schanTableW
, schannelDllName
);
1268 ERR("Failed to add schannel provider.\n");
1272 SECUR32_addPackages(provider
, sizeof(info
) / sizeof(info
[0]), NULL
, info
);
1277 HeapFree(GetProcessHeap(), 0, schan_handle_table
);
1278 schan_handle_table
= NULL
;
1279 wine_dlclose(libgnutls_handle
, NULL
, 0);
1280 libgnutls_handle
= NULL
;
1284 void SECUR32_deinitSchannelSP(void)
1286 if (!libgnutls_handle
) return;
1288 pgnutls_global_deinit();
1289 wine_dlclose(libgnutls_handle
, NULL
, 0);
1292 #else /* SONAME_LIBGNUTLS */
1294 void SECUR32_initSchannelSP(void) {}
1295 void SECUR32_deinitSchannelSP(void) {}
1297 #endif /* SONAME_LIBGNUTLS */