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.
21 #include "wine/port.h"
31 #include "secur32_priv.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(secur32
);
36 #if defined(SONAME_LIBGNUTLS) || defined (HAVE_SECURITY_SECURITY_H)
38 #define SCHAN_INVALID_HANDLE ~0UL
40 enum schan_handle_type
50 enum schan_handle_type type
;
53 struct schan_credentials
56 schan_imp_certificate_credentials credentials
;
61 schan_imp_session session
;
65 static struct schan_handle
*schan_handle_table
;
66 static struct schan_handle
*schan_free_handles
;
67 static SIZE_T schan_handle_table_size
;
68 static SIZE_T schan_handle_count
;
70 static ULONG_PTR
schan_alloc_handle(void *object
, enum schan_handle_type type
)
72 struct schan_handle
*handle
;
74 if (schan_free_handles
)
76 DWORD index
= schan_free_handles
- schan_handle_table
;
77 /* Use a free handle */
78 handle
= schan_free_handles
;
79 if (handle
->type
!= SCHAN_HANDLE_FREE
)
81 ERR("Handle %d(%p) is in the free list, but has type %#x.\n", index
, handle
, handle
->type
);
82 return SCHAN_INVALID_HANDLE
;
84 schan_free_handles
= handle
->object
;
85 handle
->object
= object
;
90 if (!(schan_handle_count
< schan_handle_table_size
))
93 SIZE_T new_size
= schan_handle_table_size
+ (schan_handle_table_size
>> 1);
94 struct schan_handle
*new_table
= HeapReAlloc(GetProcessHeap(), 0, schan_handle_table
, new_size
* sizeof(*schan_handle_table
));
97 ERR("Failed to grow the handle table\n");
98 return SCHAN_INVALID_HANDLE
;
100 schan_handle_table
= new_table
;
101 schan_handle_table_size
= new_size
;
104 handle
= &schan_handle_table
[schan_handle_count
++];
105 handle
->object
= object
;
108 return handle
- schan_handle_table
;
111 static void *schan_free_handle(ULONG_PTR handle_idx
, enum schan_handle_type type
)
113 struct schan_handle
*handle
;
116 if (handle_idx
== SCHAN_INVALID_HANDLE
) return NULL
;
117 if (handle_idx
>= schan_handle_count
) return NULL
;
118 handle
= &schan_handle_table
[handle_idx
];
119 if (handle
->type
!= type
)
121 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx
, handle
, type
);
125 object
= handle
->object
;
126 handle
->object
= schan_free_handles
;
127 handle
->type
= SCHAN_HANDLE_FREE
;
128 schan_free_handles
= handle
;
133 static void *schan_get_object(ULONG_PTR handle_idx
, enum schan_handle_type type
)
135 struct schan_handle
*handle
;
137 if (handle_idx
== SCHAN_INVALID_HANDLE
) return NULL
;
138 if (handle_idx
>= schan_handle_count
) return NULL
;
139 handle
= &schan_handle_table
[handle_idx
];
140 if (handle
->type
!= type
)
142 ERR("Handle %ld(%p) is not of type %#x\n", handle_idx
, handle
, type
);
146 return handle
->object
;
149 static SECURITY_STATUS
schan_QueryCredentialsAttributes(
150 PCredHandle phCredential
, ULONG ulAttribute
, VOID
*pBuffer
)
156 case SECPKG_ATTR_SUPPORTED_ALGS
:
159 /* FIXME: get from CryptoAPI */
160 FIXME("SECPKG_ATTR_SUPPORTED_ALGS: stub\n");
161 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
164 ret
= SEC_E_INTERNAL_ERROR
;
166 case SECPKG_ATTR_CIPHER_STRENGTHS
:
169 SecPkgCred_CipherStrengths
*r
= pBuffer
;
171 /* FIXME: get from CryptoAPI */
172 FIXME("SECPKG_ATTR_CIPHER_STRENGTHS: semi-stub\n");
173 r
->dwMinimumCipherStrength
= 40;
174 r
->dwMaximumCipherStrength
= 168;
178 ret
= SEC_E_INTERNAL_ERROR
;
180 case SECPKG_ATTR_SUPPORTED_PROTOCOLS
:
183 /* FIXME: get from OpenSSL? */
184 FIXME("SECPKG_ATTR_SUPPORTED_PROTOCOLS: stub\n");
185 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
188 ret
= SEC_E_INTERNAL_ERROR
;
191 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
196 static SECURITY_STATUS SEC_ENTRY
schan_QueryCredentialsAttributesA(
197 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
201 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
205 case SECPKG_CRED_ATTR_NAMES
:
206 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
207 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
210 ret
= schan_QueryCredentialsAttributes(phCredential
, ulAttribute
,
216 static SECURITY_STATUS SEC_ENTRY
schan_QueryCredentialsAttributesW(
217 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
221 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
225 case SECPKG_CRED_ATTR_NAMES
:
226 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
227 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
230 ret
= schan_QueryCredentialsAttributes(phCredential
, ulAttribute
,
236 static SECURITY_STATUS
schan_CheckCreds(const SCHANNEL_CRED
*schanCred
)
241 TRACE("dwVersion = %d\n", schanCred
->dwVersion
);
242 TRACE("cCreds = %d\n", schanCred
->cCreds
);
243 TRACE("hRootStore = %p\n", schanCred
->hRootStore
);
244 TRACE("cMappers = %d\n", schanCred
->cMappers
);
245 TRACE("cSupportedAlgs = %d:\n", schanCred
->cSupportedAlgs
);
246 for (i
= 0; i
< schanCred
->cSupportedAlgs
; i
++)
247 TRACE("%08x\n", schanCred
->palgSupportedAlgs
[i
]);
248 TRACE("grbitEnabledProtocols = %08x\n", schanCred
->grbitEnabledProtocols
);
249 TRACE("dwMinimumCipherStrength = %d\n", schanCred
->dwMinimumCipherStrength
);
250 TRACE("dwMaximumCipherStrength = %d\n", schanCred
->dwMaximumCipherStrength
);
251 TRACE("dwSessionLifespan = %d\n", schanCred
->dwSessionLifespan
);
252 TRACE("dwFlags = %08x\n", schanCred
->dwFlags
);
253 TRACE("dwCredFormat = %d\n", schanCred
->dwCredFormat
);
255 switch (schanCred
->dwVersion
)
258 case SCHANNEL_CRED_VERSION
:
261 return SEC_E_INTERNAL_ERROR
;
264 if (schanCred
->cCreds
== 0)
265 st
= SEC_E_NO_CREDENTIALS
;
266 else if (schanCred
->cCreds
> 1)
267 st
= SEC_E_UNKNOWN_CREDENTIALS
;
274 ret
= CryptAcquireCertificatePrivateKey(schanCred
->paCred
[0],
275 0, /* FIXME: what flags to use? */ NULL
,
276 &csp
, &keySpec
, &freeCSP
);
281 CryptReleaseContext(csp
, 0);
284 st
= SEC_E_UNKNOWN_CREDENTIALS
;
289 static SECURITY_STATUS
schan_AcquireClientCredentials(const SCHANNEL_CRED
*schanCred
,
290 PCredHandle phCredential
, PTimeStamp ptsExpiry
)
292 struct schan_credentials
*creds
;
293 SECURITY_STATUS st
= SEC_E_OK
;
295 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred
, phCredential
, ptsExpiry
);
299 st
= schan_CheckCreds(schanCred
);
300 if (st
== SEC_E_NO_CREDENTIALS
)
304 /* For now, the only thing I'm interested in is the direction of the
305 * connection, so just store it.
311 creds
= HeapAlloc(GetProcessHeap(), 0, sizeof(*creds
));
312 if (!creds
) return SEC_E_INSUFFICIENT_MEMORY
;
314 handle
= schan_alloc_handle(creds
, SCHAN_HANDLE_CRED
);
315 if (handle
== SCHAN_INVALID_HANDLE
) goto fail
;
317 creds
->credential_use
= SECPKG_CRED_OUTBOUND
;
318 if (!schan_imp_allocate_certificate_credentials(&creds
->credentials
))
320 schan_free_handle(handle
, SCHAN_HANDLE_CRED
);
324 phCredential
->dwLower
= handle
;
325 phCredential
->dwUpper
= 0;
327 /* Outbound credentials have no expiry */
330 ptsExpiry
->LowPart
= 0;
331 ptsExpiry
->HighPart
= 0;
337 HeapFree(GetProcessHeap(), 0, creds
);
338 return SEC_E_INTERNAL_ERROR
;
341 static SECURITY_STATUS
schan_AcquireServerCredentials(const SCHANNEL_CRED
*schanCred
,
342 PCredHandle phCredential
, PTimeStamp ptsExpiry
)
346 TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred
, phCredential
, ptsExpiry
);
348 if (!schanCred
) return SEC_E_NO_CREDENTIALS
;
350 st
= schan_CheckCreds(schanCred
);
354 struct schan_credentials
*creds
;
356 creds
= HeapAlloc(GetProcessHeap(), 0, sizeof(*creds
));
357 if (!creds
) return SEC_E_INSUFFICIENT_MEMORY
;
358 creds
->credential_use
= SECPKG_CRED_INBOUND
;
360 handle
= schan_alloc_handle(creds
, SCHAN_HANDLE_CRED
);
361 if (handle
== SCHAN_INVALID_HANDLE
)
363 HeapFree(GetProcessHeap(), 0, creds
);
364 return SEC_E_INTERNAL_ERROR
;
367 phCredential
->dwLower
= handle
;
368 phCredential
->dwUpper
= 0;
370 /* FIXME: get expiry from cert */
375 static SECURITY_STATUS
schan_AcquireCredentialsHandle(ULONG fCredentialUse
,
376 const SCHANNEL_CRED
*schanCred
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
380 if (fCredentialUse
== SECPKG_CRED_OUTBOUND
)
381 ret
= schan_AcquireClientCredentials(schanCred
, phCredential
,
384 ret
= schan_AcquireServerCredentials(schanCred
, phCredential
,
389 static SECURITY_STATUS SEC_ENTRY
schan_AcquireCredentialsHandleA(
390 SEC_CHAR
*pszPrincipal
, SEC_CHAR
*pszPackage
, ULONG fCredentialUse
,
391 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
392 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
394 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
395 debugstr_a(pszPrincipal
), debugstr_a(pszPackage
), fCredentialUse
,
396 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
397 return schan_AcquireCredentialsHandle(fCredentialUse
,
398 pAuthData
, phCredential
, ptsExpiry
);
401 static SECURITY_STATUS SEC_ENTRY
schan_AcquireCredentialsHandleW(
402 SEC_WCHAR
*pszPrincipal
, SEC_WCHAR
*pszPackage
, ULONG fCredentialUse
,
403 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
404 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
406 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
407 debugstr_w(pszPrincipal
), debugstr_w(pszPackage
), fCredentialUse
,
408 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
409 return schan_AcquireCredentialsHandle(fCredentialUse
,
410 pAuthData
, phCredential
, ptsExpiry
);
413 static SECURITY_STATUS SEC_ENTRY
schan_FreeCredentialsHandle(
414 PCredHandle phCredential
)
416 struct schan_credentials
*creds
;
418 TRACE("phCredential %p\n", phCredential
);
420 if (!phCredential
) return SEC_E_INVALID_HANDLE
;
422 creds
= schan_free_handle(phCredential
->dwLower
, SCHAN_HANDLE_CRED
);
423 if (!creds
) return SEC_E_INVALID_HANDLE
;
425 if (creds
->credential_use
== SECPKG_CRED_OUTBOUND
)
426 schan_imp_free_certificate_credentials(creds
->credentials
);
427 HeapFree(GetProcessHeap(), 0, creds
);
432 static void init_schan_buffers(struct schan_buffers
*s
, const PSecBufferDesc desc
,
433 int (*get_next_buffer
)(const struct schan_transport
*, struct schan_buffers
*))
438 s
->current_buffer_idx
= -1;
439 s
->allow_buffer_resize
= FALSE
;
440 s
->get_next_buffer
= get_next_buffer
;
443 static int schan_find_sec_buffer_idx(const SecBufferDesc
*desc
, unsigned int start_idx
, ULONG buffer_type
)
448 for (i
= start_idx
; i
< desc
->cBuffers
; ++i
)
450 buffer
= &desc
->pBuffers
[i
];
451 if (buffer
->BufferType
== buffer_type
) return i
;
457 static void schan_resize_current_buffer(const struct schan_buffers
*s
, SIZE_T min_size
)
459 SecBuffer
*b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
460 SIZE_T new_size
= b
->cbBuffer
? b
->cbBuffer
* 2 : 128;
463 if (b
->cbBuffer
>= min_size
|| !s
->allow_buffer_resize
|| min_size
> UINT_MAX
/ 2) return;
465 while (new_size
< min_size
) new_size
*= 2;
468 new_data
= HeapReAlloc(GetProcessHeap(), 0, b
->pvBuffer
, new_size
);
470 new_data
= HeapAlloc(GetProcessHeap(), 0, new_size
);
474 TRACE("Failed to resize %p from %d to %ld\n", b
->pvBuffer
, b
->cbBuffer
, new_size
);
478 b
->cbBuffer
= new_size
;
479 b
->pvBuffer
= new_data
;
482 char *schan_get_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
, SIZE_T
*count
)
493 if (s
->current_buffer_idx
== -1)
496 int buffer_idx
= s
->get_next_buffer(t
, s
);
497 if (buffer_idx
== -1)
499 TRACE("No next buffer\n");
502 s
->current_buffer_idx
= buffer_idx
;
505 buffer
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
506 TRACE("Using buffer %d: cbBuffer %d, BufferType %#x, pvBuffer %p\n", s
->current_buffer_idx
, buffer
->cbBuffer
, buffer
->BufferType
, buffer
->pvBuffer
);
508 schan_resize_current_buffer(s
, s
->offset
+ *count
);
509 max_count
= buffer
->cbBuffer
- s
->offset
;
510 if (s
->limit
!= ~0UL && s
->limit
< max_count
)
511 max_count
= s
->limit
;
516 s
->allow_buffer_resize
= FALSE
;
517 buffer_idx
= s
->get_next_buffer(t
, s
);
518 if (buffer_idx
== -1)
520 TRACE("No next buffer\n");
523 s
->current_buffer_idx
= buffer_idx
;
525 return schan_get_buffer(t
, s
, count
);
528 if (*count
> max_count
)
530 if (s
->limit
!= ~0UL)
533 return (char *)buffer
->pvBuffer
+ s
->offset
;
537 * Read data from the transport input buffer.
539 * t - The session transport object.
540 * buff - The buffer into which to store the read data. Must be at least
541 * *buff_len bytes in length.
542 * buff_len - On input, *buff_len is the desired length to read. On successful
543 * return, *buff_len is the number of bytes actually read.
546 * 0 on success, in which case:
547 * *buff_len == 0 indicates end of file.
548 * *buff_len > 0 indicates that some data was read. May be less than
549 * what was requested, in which case the caller should call again if/
550 * when they want more.
551 * EAGAIN when no data could be read without blocking
552 * another errno-style error value on failure
555 int schan_pull(struct schan_transport
*t
, void *buff
, size_t *buff_len
)
558 SIZE_T local_len
= *buff_len
;
560 TRACE("Pull %lu bytes\n", local_len
);
564 b
= schan_get_buffer(t
, &t
->in
, &local_len
);
568 memcpy(buff
, b
, local_len
);
569 t
->in
.offset
+= local_len
;
571 TRACE("Read %lu bytes\n", local_len
);
573 *buff_len
= local_len
;
578 * Write data to the transport output buffer.
580 * t - The session transport object.
581 * buff - The buffer of data to write. Must be at least *buff_len bytes in length.
582 * buff_len - On input, *buff_len is the desired length to write. On successful
583 * return, *buff_len is the number of bytes actually written.
587 * *buff_len will be > 0 indicating how much data was written. May be less
588 * than what was requested, in which case the caller should call again
589 if/when they want to write more.
590 * EAGAIN when no data could be written without blocking
591 * another errno-style error value on failure
594 int schan_push(struct schan_transport
*t
, const void *buff
, size_t *buff_len
)
597 SIZE_T local_len
= *buff_len
;
599 TRACE("Push %lu bytes\n", local_len
);
603 b
= schan_get_buffer(t
, &t
->out
, &local_len
);
607 memcpy(b
, buff
, local_len
);
608 t
->out
.offset
+= local_len
;
610 TRACE("Wrote %lu bytes\n", local_len
);
612 *buff_len
= local_len
;
616 schan_imp_session
schan_session_for_transport(struct schan_transport
* t
)
618 return t
->ctx
->session
;
621 static int schan_init_sec_ctx_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
623 if (s
->current_buffer_idx
== -1)
625 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
626 if (t
->ctx
->req_ctx_attr
& ISC_REQ_ALLOCATE_MEMORY
)
630 idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_EMPTY
);
631 if (idx
!= -1) s
->desc
->pBuffers
[idx
].BufferType
= SECBUFFER_TOKEN
;
633 if (idx
!= -1 && !s
->desc
->pBuffers
[idx
].pvBuffer
)
635 s
->desc
->pBuffers
[idx
].cbBuffer
= 0;
636 s
->allow_buffer_resize
= TRUE
;
645 static void dump_buffer_desc(SecBufferDesc
*desc
)
650 TRACE("Buffer desc %p:\n", desc
);
651 for (i
= 0; i
< desc
->cBuffers
; ++i
)
653 SecBuffer
*b
= &desc
->pBuffers
[i
];
654 TRACE("\tbuffer %u: cbBuffer %d, BufferType %#x pvBuffer %p\n", i
, b
->cbBuffer
, b
->BufferType
, b
->pvBuffer
);
658 /***********************************************************************
659 * InitializeSecurityContextW
661 static SECURITY_STATUS SEC_ENTRY
schan_InitializeSecurityContextW(
662 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_WCHAR
*pszTargetName
,
663 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
664 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
665 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
667 struct schan_context
*ctx
;
668 struct schan_buffers
*out_buffers
;
669 struct schan_credentials
*cred
;
670 struct schan_transport transport
;
671 SIZE_T expected_size
= ~0UL;
674 TRACE("%p %p %s 0x%08x %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
675 debugstr_w(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
676 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
678 dump_buffer_desc(pInput
);
679 dump_buffer_desc(pOutput
);
685 if (!phCredential
) return SEC_E_INVALID_HANDLE
;
687 cred
= schan_get_object(phCredential
->dwLower
, SCHAN_HANDLE_CRED
);
688 if (!cred
) return SEC_E_INVALID_HANDLE
;
690 if (!(cred
->credential_use
& SECPKG_CRED_OUTBOUND
))
692 WARN("Invalid credential use %#x\n", cred
->credential_use
);
693 return SEC_E_INVALID_HANDLE
;
696 ctx
= HeapAlloc(GetProcessHeap(), 0, sizeof(*ctx
));
697 if (!ctx
) return SEC_E_INSUFFICIENT_MEMORY
;
699 handle
= schan_alloc_handle(ctx
, SCHAN_HANDLE_CTX
);
700 if (handle
== SCHAN_INVALID_HANDLE
)
702 HeapFree(GetProcessHeap(), 0, ctx
);
703 return SEC_E_INTERNAL_ERROR
;
706 if (!schan_imp_create_session(&ctx
->session
, FALSE
, cred
->credentials
))
708 schan_free_handle(handle
, SCHAN_HANDLE_CTX
);
709 HeapFree(GetProcessHeap(), 0, ctx
);
710 return SEC_E_INTERNAL_ERROR
;
713 phNewContext
->dwLower
= handle
;
714 phNewContext
->dwUpper
= 0;
718 SIZE_T record_size
= 0;
724 return SEC_E_INCOMPLETE_MESSAGE
;
726 idx
= schan_find_sec_buffer_idx(pInput
, 0, SECBUFFER_TOKEN
);
728 return SEC_E_INCOMPLETE_MESSAGE
;
730 buffer
= &pInput
->pBuffers
[idx
];
731 ptr
= buffer
->pvBuffer
;
734 while (buffer
->cbBuffer
> expected_size
+ 5)
736 record_size
= 5 + ((ptr
[3] << 8) | ptr
[4]);
738 if (buffer
->cbBuffer
< expected_size
+ record_size
)
741 expected_size
+= record_size
;
747 TRACE("Expected at least %lu bytes, but buffer only contains %u bytes.\n",
748 max(6, record_size
), buffer
->cbBuffer
);
749 return SEC_E_INCOMPLETE_MESSAGE
;
752 TRACE("Using expected_size %lu.\n", expected_size
);
754 ctx
= schan_get_object(phContext
->dwLower
, SCHAN_HANDLE_CTX
);
757 ctx
->req_ctx_attr
= fContextReq
;
760 init_schan_buffers(&transport
.in
, pInput
, schan_init_sec_ctx_get_next_buffer
);
761 transport
.in
.limit
= expected_size
;
762 init_schan_buffers(&transport
.out
, pOutput
, schan_init_sec_ctx_get_next_buffer
);
763 schan_imp_set_session_transport(ctx
->session
, &transport
);
765 /* Perform the TLS handshake */
766 ret
= schan_imp_handshake(ctx
->session
);
768 if(transport
.in
.offset
&& transport
.in
.offset
!= pInput
->pBuffers
[0].cbBuffer
) {
769 if(pInput
->cBuffers
<2 || pInput
->pBuffers
[1].BufferType
!=SECBUFFER_EMPTY
)
770 return SEC_E_INVALID_TOKEN
;
772 pInput
->pBuffers
[1].BufferType
= SECBUFFER_EXTRA
;
773 pInput
->pBuffers
[1].cbBuffer
= pInput
->pBuffers
[0].cbBuffer
-transport
.in
.offset
;
776 out_buffers
= &transport
.out
;
777 if (out_buffers
->current_buffer_idx
!= -1)
779 SecBuffer
*buffer
= &out_buffers
->desc
->pBuffers
[out_buffers
->current_buffer_idx
];
780 buffer
->cbBuffer
= out_buffers
->offset
;
784 if (ctx
->req_ctx_attr
& ISC_REQ_ALLOCATE_MEMORY
)
785 *pfContextAttr
|= ISC_RET_ALLOCATED_MEMORY
;
790 /***********************************************************************
791 * InitializeSecurityContextA
793 static SECURITY_STATUS SEC_ENTRY
schan_InitializeSecurityContextA(
794 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_CHAR
*pszTargetName
,
795 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
796 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
797 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
800 SEC_WCHAR
*target_name
= NULL
;
802 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
803 debugstr_a(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
804 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
808 INT len
= MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, -1, NULL
, 0);
809 target_name
= HeapAlloc(GetProcessHeap(), 0, len
* sizeof(*target_name
));
810 MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, -1, target_name
, len
);
813 ret
= schan_InitializeSecurityContextW(phCredential
, phContext
, target_name
,
814 fContextReq
, Reserved1
, TargetDataRep
, pInput
, Reserved2
,
815 phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
817 HeapFree(GetProcessHeap(), 0, target_name
);
822 static SECURITY_STATUS SEC_ENTRY
schan_QueryContextAttributesW(
823 PCtxtHandle context_handle
, ULONG attribute
, PVOID buffer
)
825 struct schan_context
*ctx
;
827 TRACE("context_handle %p, attribute %#x, buffer %p\n",
828 context_handle
, attribute
, buffer
);
830 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
831 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
835 case SECPKG_ATTR_STREAM_SIZES
:
837 SecPkgContext_ConnectionInfo info
;
838 SECURITY_STATUS status
= schan_imp_get_connection_info(ctx
->session
, &info
);
839 if (status
== SEC_E_OK
)
841 SecPkgContext_StreamSizes
*stream_sizes
= buffer
;
842 SIZE_T mac_size
= info
.dwHashStrength
;
843 unsigned int block_size
= schan_imp_get_session_cipher_block_size(ctx
->session
);
844 unsigned int message_size
= schan_imp_get_max_message_size(ctx
->session
);
846 TRACE("Using %lu mac bytes, message size %u, block size %u\n",
847 mac_size
, message_size
, block_size
);
849 /* These are defined by the TLS RFC */
850 stream_sizes
->cbHeader
= 5;
851 stream_sizes
->cbTrailer
= mac_size
+ 256; /* Max 255 bytes padding + 1 for padding size */
852 stream_sizes
->cbMaximumMessage
= message_size
;
853 stream_sizes
->cbBuffers
= 4;
854 stream_sizes
->cbBlockSize
= block_size
;
859 case SECPKG_ATTR_REMOTE_CERT_CONTEXT
:
861 PCCERT_CONTEXT
*cert
= buffer
;
862 return schan_imp_get_session_peer_certificate(ctx
->session
, cert
);
864 case SECPKG_ATTR_CONNECTION_INFO
:
866 SecPkgContext_ConnectionInfo
*info
= buffer
;
867 return schan_imp_get_connection_info(ctx
->session
, info
);
871 FIXME("Unhandled attribute %#x\n", attribute
);
872 return SEC_E_UNSUPPORTED_FUNCTION
;
876 static SECURITY_STATUS SEC_ENTRY
schan_QueryContextAttributesA(
877 PCtxtHandle context_handle
, ULONG attribute
, PVOID buffer
)
879 TRACE("context_handle %p, attribute %#x, buffer %p\n",
880 context_handle
, attribute
, buffer
);
884 case SECPKG_ATTR_STREAM_SIZES
:
885 return schan_QueryContextAttributesW(context_handle
, attribute
, buffer
);
886 case SECPKG_ATTR_REMOTE_CERT_CONTEXT
:
887 return schan_QueryContextAttributesW(context_handle
, attribute
, buffer
);
888 case SECPKG_ATTR_CONNECTION_INFO
:
889 return schan_QueryContextAttributesW(context_handle
, attribute
, buffer
);
892 FIXME("Unhandled attribute %#x\n", attribute
);
893 return SEC_E_UNSUPPORTED_FUNCTION
;
897 static int schan_encrypt_message_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
901 if (s
->current_buffer_idx
== -1)
902 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_STREAM_HEADER
);
904 b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
906 if (b
->BufferType
== SECBUFFER_STREAM_HEADER
)
907 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
909 if (b
->BufferType
== SECBUFFER_DATA
)
910 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_STREAM_TRAILER
);
915 static int schan_encrypt_message_get_next_buffer_token(const struct schan_transport
*t
, struct schan_buffers
*s
)
919 if (s
->current_buffer_idx
== -1)
920 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
922 b
= &s
->desc
->pBuffers
[s
->current_buffer_idx
];
924 if (b
->BufferType
== SECBUFFER_TOKEN
)
926 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
927 if (idx
!= s
->current_buffer_idx
) return -1;
928 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
931 if (b
->BufferType
== SECBUFFER_DATA
)
933 int idx
= schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_TOKEN
);
935 idx
= schan_find_sec_buffer_idx(s
->desc
, idx
+ 1, SECBUFFER_TOKEN
);
942 static SECURITY_STATUS SEC_ENTRY
schan_EncryptMessage(PCtxtHandle context_handle
,
943 ULONG quality
, PSecBufferDesc message
, ULONG message_seq_no
)
945 struct schan_transport transport
;
946 struct schan_context
*ctx
;
947 struct schan_buffers
*b
;
948 SECURITY_STATUS status
;
955 TRACE("context_handle %p, quality %d, message %p, message_seq_no %d\n",
956 context_handle
, quality
, message
, message_seq_no
);
958 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
959 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
961 dump_buffer_desc(message
);
963 idx
= schan_find_sec_buffer_idx(message
, 0, SECBUFFER_DATA
);
966 WARN("No data buffer passed\n");
967 return SEC_E_INTERNAL_ERROR
;
969 buffer
= &message
->pBuffers
[idx
];
971 data_size
= buffer
->cbBuffer
;
972 data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
973 memcpy(data
, buffer
->pvBuffer
, data_size
);
976 init_schan_buffers(&transport
.in
, NULL
, NULL
);
977 if (schan_find_sec_buffer_idx(message
, 0, SECBUFFER_STREAM_HEADER
) != -1)
978 init_schan_buffers(&transport
.out
, message
, schan_encrypt_message_get_next_buffer
);
980 init_schan_buffers(&transport
.out
, message
, schan_encrypt_message_get_next_buffer_token
);
981 schan_imp_set_session_transport(ctx
->session
, &transport
);
984 status
= schan_imp_send(ctx
->session
, data
, &length
);
986 TRACE("Sent %ld bytes.\n", length
);
988 if (length
!= data_size
)
989 status
= SEC_E_INTERNAL_ERROR
;
992 b
->desc
->pBuffers
[b
->current_buffer_idx
].cbBuffer
= b
->offset
;
993 HeapFree(GetProcessHeap(), 0, data
);
995 TRACE("Returning %#x.\n", status
);
1000 static int schan_decrypt_message_get_next_buffer(const struct schan_transport
*t
, struct schan_buffers
*s
)
1002 if (s
->current_buffer_idx
== -1)
1003 return schan_find_sec_buffer_idx(s
->desc
, 0, SECBUFFER_DATA
);
1008 static int schan_validate_decrypt_buffer_desc(PSecBufferDesc message
)
1011 unsigned int empty_count
= 0;
1014 if (message
->cBuffers
< 4)
1016 WARN("Less than four buffers passed\n");
1020 for (i
= 0; i
< message
->cBuffers
; ++i
)
1022 SecBuffer
*b
= &message
->pBuffers
[i
];
1023 if (b
->BufferType
== SECBUFFER_DATA
)
1027 WARN("More than one data buffer passed\n");
1032 else if (b
->BufferType
== SECBUFFER_EMPTY
)
1038 WARN("No data buffer passed\n");
1042 if (empty_count
< 3)
1044 WARN("Less than three empty buffers passed\n");
1051 static void schan_decrypt_fill_buffer(PSecBufferDesc message
, ULONG buffer_type
, void *data
, ULONG size
)
1056 idx
= schan_find_sec_buffer_idx(message
, 0, SECBUFFER_EMPTY
);
1057 buffer
= &message
->pBuffers
[idx
];
1059 buffer
->BufferType
= buffer_type
;
1060 buffer
->pvBuffer
= data
;
1061 buffer
->cbBuffer
= size
;
1064 static SECURITY_STATUS SEC_ENTRY
schan_DecryptMessage(PCtxtHandle context_handle
,
1065 PSecBufferDesc message
, ULONG message_seq_no
, PULONG quality
)
1067 struct schan_transport transport
;
1068 struct schan_context
*ctx
;
1072 unsigned expected_size
;
1073 SSIZE_T received
= 0;
1075 unsigned char *buf_ptr
;
1077 TRACE("context_handle %p, message %p, message_seq_no %d, quality %p\n",
1078 context_handle
, message
, message_seq_no
, quality
);
1080 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
1081 ctx
= schan_get_object(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
1083 dump_buffer_desc(message
);
1085 idx
= schan_validate_decrypt_buffer_desc(message
);
1087 return SEC_E_INVALID_TOKEN
;
1088 buffer
= &message
->pBuffers
[idx
];
1089 buf_ptr
= buffer
->pvBuffer
;
1091 expected_size
= 5 + ((buf_ptr
[3] << 8) | buf_ptr
[4]);
1092 if(buffer
->cbBuffer
< expected_size
)
1094 TRACE("Expected %u bytes, but buffer only contains %u bytes\n", expected_size
, buffer
->cbBuffer
);
1095 buffer
->BufferType
= SECBUFFER_MISSING
;
1096 buffer
->cbBuffer
= expected_size
- buffer
->cbBuffer
;
1098 /* This is a bit weird, but windows does it too */
1099 idx
= schan_find_sec_buffer_idx(message
, 0, SECBUFFER_EMPTY
);
1100 buffer
= &message
->pBuffers
[idx
];
1101 buffer
->BufferType
= SECBUFFER_MISSING
;
1102 buffer
->cbBuffer
= expected_size
- buffer
->cbBuffer
;
1104 TRACE("Returning SEC_E_INCOMPLETE_MESSAGE\n");
1105 return SEC_E_INCOMPLETE_MESSAGE
;
1108 data_size
= expected_size
- 5;
1109 data
= HeapAlloc(GetProcessHeap(), 0, data_size
);
1111 transport
.ctx
= ctx
;
1112 init_schan_buffers(&transport
.in
, message
, schan_decrypt_message_get_next_buffer
);
1113 transport
.in
.limit
= expected_size
;
1114 init_schan_buffers(&transport
.out
, NULL
, NULL
);
1115 schan_imp_set_session_transport(ctx
->session
, &transport
);
1117 while (received
< data_size
)
1119 SIZE_T length
= data_size
- received
;
1120 SECURITY_STATUS status
= schan_imp_recv(ctx
->session
, data
+ received
, &length
);
1122 if (status
== SEC_I_CONTINUE_NEEDED
)
1125 if (status
!= SEC_E_OK
)
1127 HeapFree(GetProcessHeap(), 0, data
);
1128 ERR("Returning %d\n", status
);
1138 TRACE("Received %ld bytes\n", received
);
1140 memcpy(buf_ptr
+ 5, data
, received
);
1141 HeapFree(GetProcessHeap(), 0, data
);
1143 schan_decrypt_fill_buffer(message
, SECBUFFER_DATA
,
1144 buf_ptr
+ 5, received
);
1146 schan_decrypt_fill_buffer(message
, SECBUFFER_STREAM_TRAILER
,
1147 buf_ptr
+ 5 + received
, buffer
->cbBuffer
- 5 - received
);
1149 if(buffer
->cbBuffer
> expected_size
)
1150 schan_decrypt_fill_buffer(message
, SECBUFFER_EXTRA
,
1151 buf_ptr
+ expected_size
, buffer
->cbBuffer
- expected_size
);
1153 buffer
->BufferType
= SECBUFFER_STREAM_HEADER
;
1154 buffer
->cbBuffer
= 5;
1159 static SECURITY_STATUS SEC_ENTRY
schan_DeleteSecurityContext(PCtxtHandle context_handle
)
1161 struct schan_context
*ctx
;
1163 TRACE("context_handle %p\n", context_handle
);
1165 if (!context_handle
) return SEC_E_INVALID_HANDLE
;
1167 ctx
= schan_free_handle(context_handle
->dwLower
, SCHAN_HANDLE_CTX
);
1168 if (!ctx
) return SEC_E_INVALID_HANDLE
;
1170 schan_imp_dispose_session(ctx
->session
);
1171 HeapFree(GetProcessHeap(), 0, ctx
);
1176 static const SecurityFunctionTableA schanTableA
= {
1178 NULL
, /* EnumerateSecurityPackagesA */
1179 schan_QueryCredentialsAttributesA
,
1180 schan_AcquireCredentialsHandleA
,
1181 schan_FreeCredentialsHandle
,
1182 NULL
, /* Reserved2 */
1183 schan_InitializeSecurityContextA
,
1184 NULL
, /* AcceptSecurityContext */
1185 NULL
, /* CompleteAuthToken */
1186 schan_DeleteSecurityContext
,
1187 NULL
, /* ApplyControlToken */
1188 schan_QueryContextAttributesA
,
1189 NULL
, /* ImpersonateSecurityContext */
1190 NULL
, /* RevertSecurityContext */
1191 NULL
, /* MakeSignature */
1192 NULL
, /* VerifySignature */
1194 NULL
, /* QuerySecurityPackageInfoA */
1195 NULL
, /* Reserved3 */
1196 NULL
, /* Reserved4 */
1197 NULL
, /* ExportSecurityContext */
1198 NULL
, /* ImportSecurityContextA */
1199 NULL
, /* AddCredentialsA */
1200 NULL
, /* Reserved8 */
1201 NULL
, /* QuerySecurityContextToken */
1202 schan_EncryptMessage
,
1203 schan_DecryptMessage
,
1204 NULL
, /* SetContextAttributesA */
1207 static const SecurityFunctionTableW schanTableW
= {
1209 NULL
, /* EnumerateSecurityPackagesW */
1210 schan_QueryCredentialsAttributesW
,
1211 schan_AcquireCredentialsHandleW
,
1212 schan_FreeCredentialsHandle
,
1213 NULL
, /* Reserved2 */
1214 schan_InitializeSecurityContextW
,
1215 NULL
, /* AcceptSecurityContext */
1216 NULL
, /* CompleteAuthToken */
1217 schan_DeleteSecurityContext
,
1218 NULL
, /* ApplyControlToken */
1219 schan_QueryContextAttributesW
,
1220 NULL
, /* ImpersonateSecurityContext */
1221 NULL
, /* RevertSecurityContext */
1222 NULL
, /* MakeSignature */
1223 NULL
, /* VerifySignature */
1225 NULL
, /* QuerySecurityPackageInfoW */
1226 NULL
, /* Reserved3 */
1227 NULL
, /* Reserved4 */
1228 NULL
, /* ExportSecurityContext */
1229 NULL
, /* ImportSecurityContextW */
1230 NULL
, /* AddCredentialsW */
1231 NULL
, /* Reserved8 */
1232 NULL
, /* QuerySecurityContextToken */
1233 schan_EncryptMessage
,
1234 schan_DecryptMessage
,
1235 NULL
, /* SetContextAttributesW */
1238 static const WCHAR schannelComment
[] = { 'S','c','h','a','n','n','e','l',' ',
1239 'S','e','c','u','r','i','t','y',' ','P','a','c','k','a','g','e',0 };
1240 static const WCHAR schannelDllName
[] = { 's','c','h','a','n','n','e','l','.','d','l','l',0 };
1242 void SECUR32_initSchannelSP(void)
1244 /* This is what Windows reports. This shouldn't break any applications
1245 * even though the functions are missing, because the wrapper will
1246 * return SEC_E_UNSUPPORTED_FUNCTION if our function is NULL.
1248 static const LONG caps
=
1249 SECPKG_FLAG_INTEGRITY
|
1250 SECPKG_FLAG_PRIVACY
|
1251 SECPKG_FLAG_CONNECTION
|
1252 SECPKG_FLAG_MULTI_REQUIRED
|
1253 SECPKG_FLAG_EXTENDED_ERROR
|
1254 SECPKG_FLAG_IMPERSONATION
|
1255 SECPKG_FLAG_ACCEPT_WIN32_NAME
|
1257 static const short version
= 1;
1258 static const LONG maxToken
= 16384;
1259 SEC_WCHAR
*uniSPName
= (SEC_WCHAR
*)UNISP_NAME_W
,
1260 *schannel
= (SEC_WCHAR
*)SCHANNEL_NAME_W
;
1261 const SecPkgInfoW info
[] = {
1262 { caps
, version
, UNISP_RPC_ID
, maxToken
, uniSPName
, uniSPName
},
1263 { caps
, version
, UNISP_RPC_ID
, maxToken
, schannel
,
1264 (SEC_WCHAR
*)schannelComment
},
1266 SecureProvider
*provider
;
1268 if (!schan_imp_init())
1271 schan_handle_table
= HeapAlloc(GetProcessHeap(), 0, 64 * sizeof(*schan_handle_table
));
1272 if (!schan_handle_table
)
1274 ERR("Failed to allocate schannel handle table.\n");
1277 schan_handle_table_size
= 64;
1279 provider
= SECUR32_addProvider(&schanTableA
, &schanTableW
, schannelDllName
);
1282 ERR("Failed to add schannel provider.\n");
1286 SECUR32_addPackages(provider
, sizeof(info
) / sizeof(info
[0]), NULL
, info
);
1291 HeapFree(GetProcessHeap(), 0, schan_handle_table
);
1292 schan_handle_table
= NULL
;
1297 void SECUR32_deinitSchannelSP(void)
1299 SIZE_T i
= schan_handle_count
;
1301 if (!schan_handle_table
) return;
1303 /* deinitialized sessions first because a pointer to the credentials
1304 * may be stored for the session. */
1307 if (schan_handle_table
[i
].type
== SCHAN_HANDLE_CTX
)
1309 struct schan_context
*ctx
= schan_free_handle(i
, SCHAN_HANDLE_CTX
);
1310 schan_imp_dispose_session(ctx
->session
);
1311 HeapFree(GetProcessHeap(), 0, ctx
);
1314 i
= schan_handle_count
;
1317 if (schan_handle_table
[i
].type
!= SCHAN_HANDLE_FREE
)
1319 struct schan_credentials
*cred
;
1320 cred
= schan_free_handle(i
, SCHAN_HANDLE_CRED
);
1321 schan_imp_free_certificate_credentials(cred
->credentials
);
1322 HeapFree(GetProcessHeap(), 0, cred
);
1325 HeapFree(GetProcessHeap(), 0, schan_handle_table
);
1329 #else /* SONAME_LIBGNUTLS || HAVE_SECURITY_SECURITY_H */
1331 void SECUR32_initSchannelSP(void)
1333 ERR("TLS library not found, SSL connections will fail\n");
1336 void SECUR32_deinitSchannelSP(void) {}
1338 #endif /* SONAME_LIBGNUTLS || HAVE_SECURITY_SECURITY_H */