2 * Copyright 2005, 2006 Kai Blin
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 NTLM security provider.
30 #include "secur32_priv.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(secur32
);
36 #define NTLM_MAX_BUF 1904
37 #define MIN_NTLM_AUTH_MAJOR_VERSION 3
38 #define MIN_NTLM_AUTH_MINOR_VERSION 0
39 #define MIN_NTLM_AUTH_MICRO_VERSION 25
41 static CHAR ntlm_auth
[] = "ntlm_auth";
43 /***********************************************************************
44 * QueryCredentialsAttributesA
46 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryCredentialsAttributesA(
47 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
51 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
53 if(ulAttribute
== SECPKG_ATTR_NAMES
)
55 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
56 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
59 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
64 /***********************************************************************
65 * QueryCredentialsAttributesW
67 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryCredentialsAttributesW(
68 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
72 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
74 if(ulAttribute
== SECPKG_ATTR_NAMES
)
76 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
77 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
80 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
85 /***********************************************************************
86 * AcquireCredentialsHandleW
88 static SECURITY_STATUS SEC_ENTRY
ntlm_AcquireCredentialsHandleW(
89 SEC_WCHAR
*pszPrincipal
, SEC_WCHAR
*pszPackage
, ULONG fCredentialUse
,
90 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
91 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
94 PNegoHelper helper
= NULL
;
95 static CHAR server_helper_protocol
[] = "--helper-protocol=squid-2.5-ntlmssp",
96 credentials_argv
[] = "--use-cached-creds";
98 SEC_CHAR
*client_user_arg
= NULL
;
99 SEC_CHAR
*client_domain_arg
= NULL
;
100 SEC_WCHAR
*username
= NULL
, *domain
= NULL
;
102 SEC_CHAR
*client_argv
[6];
103 SEC_CHAR
*server_argv
[] = { ntlm_auth
,
104 server_helper_protocol
,
107 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
108 debugstr_w(pszPrincipal
), debugstr_w(pszPackage
), fCredentialUse
,
109 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
112 switch(fCredentialUse
)
114 case SECPKG_CRED_INBOUND
:
115 if( (ret
= fork_helper(&helper
, ntlm_auth
, server_argv
)) !=
123 helper
->mode
= NTLM_SERVER
;
124 phCredential
->dwUpper
= fCredentialUse
;
125 phCredential
->dwLower
= (ULONG_PTR
)helper
;
129 case SECPKG_CRED_OUTBOUND
:
131 static const char username_arg
[] = "--username=";
132 static const char domain_arg
[] = "--domain=";
133 static char helper_protocol
[] = "--helper-protocol=ntlmssp-client-1";
136 if(pAuthData
== NULL
)
138 LPWKSTA_USER_INFO_1 ui
= NULL
;
139 NET_API_STATUS status
;
141 status
= NetWkstaUserGetInfo(NULL
, 1, (LPBYTE
*)&ui
);
142 if (status
!= NERR_Success
|| ui
== NULL
)
144 ret
= SEC_E_NO_CREDENTIALS
;
149 username
= HeapAlloc(GetProcessHeap(), 0,
150 (lstrlenW(ui
->wkui1_username
)+1) *
152 lstrcpyW(username
, ui
->wkui1_username
);
154 /* same for the domain */
155 domain
= HeapAlloc(GetProcessHeap(), 0,
156 (lstrlenW(ui
->wkui1_logon_domain
)+1) *
158 lstrcpyW(domain
, ui
->wkui1_logon_domain
);
159 NetApiBufferFree(ui
);
163 PSEC_WINNT_AUTH_IDENTITY_W auth_data
=
164 (PSEC_WINNT_AUTH_IDENTITY_W
)pAuthData
;
166 if (!auth_data
->UserLength
|| !auth_data
->DomainLength
)
168 ret
= SEC_E_NO_CREDENTIALS
;
172 /* Get username and domain from pAuthData */
173 username
= HeapAlloc(GetProcessHeap(), 0,
174 (auth_data
->UserLength
+ 1) * sizeof(SEC_WCHAR
));
175 lstrcpyW(username
, auth_data
->User
);
177 domain
= HeapAlloc(GetProcessHeap(), 0,
178 (auth_data
->DomainLength
+ 1) * sizeof(SEC_WCHAR
));
179 lstrcpyW(domain
, auth_data
->Domain
);
181 TRACE("Username is %s\n", debugstr_w(username
));
182 unixcp_size
= WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
183 username
, -1, NULL
, 0, NULL
, NULL
) + sizeof(username_arg
);
184 client_user_arg
= HeapAlloc(GetProcessHeap(), 0, unixcp_size
);
185 lstrcpyA(client_user_arg
, username_arg
);
186 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
, username
, -1,
187 client_user_arg
+ sizeof(username_arg
) - 1,
188 unixcp_size
- sizeof(username_arg
) + 1, NULL
, NULL
);
190 TRACE("Domain name is %s\n", debugstr_w(domain
));
191 unixcp_size
= WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
192 domain
, -1, NULL
, 0, NULL
, NULL
) + sizeof(domain_arg
);
193 client_domain_arg
= HeapAlloc(GetProcessHeap(), 0, unixcp_size
);
194 lstrcpyA(client_domain_arg
, domain_arg
);
195 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
, domain
,
196 -1, client_domain_arg
+ sizeof(domain_arg
) - 1,
197 unixcp_size
- sizeof(domain
) + 1, NULL
, NULL
);
199 client_argv
[0] = ntlm_auth
;
200 client_argv
[1] = helper_protocol
;
201 client_argv
[2] = client_user_arg
;
202 client_argv
[3] = client_domain_arg
;
203 client_argv
[4] = credentials_argv
;
204 client_argv
[5] = NULL
;
206 if((ret
= fork_helper(&helper
, ntlm_auth
, client_argv
)) !=
214 helper
->mode
= NTLM_CLIENT
;
216 if(pAuthData
!= NULL
)
218 PSEC_WINNT_AUTH_IDENTITY_W auth_data
=
219 (PSEC_WINNT_AUTH_IDENTITY_W
)pAuthData
;
221 if(auth_data
->PasswordLength
!= 0)
223 helper
->pwlen
= WideCharToMultiByte(CP_UNIXCP
,
224 WC_NO_BEST_FIT_CHARS
, auth_data
->Password
,
225 auth_data
->PasswordLength
+1, NULL
, 0, NULL
,
228 helper
->password
= HeapAlloc(GetProcessHeap(), 0,
231 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
232 auth_data
->Password
, auth_data
->PasswordLength
+1,
233 helper
->password
, helper
->pwlen
, NULL
, NULL
);
237 phCredential
->dwUpper
= fCredentialUse
;
238 phCredential
->dwLower
= (ULONG_PTR
)helper
;
239 TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
240 phCredential
->dwUpper
, phCredential
->dwLower
);
245 case SECPKG_CRED_BOTH
:
246 FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
247 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
252 ret
= SEC_E_UNKNOWN_CREDENTIALS
;
256 HeapFree(GetProcessHeap(), 0, client_user_arg
);
257 HeapFree(GetProcessHeap(), 0, client_domain_arg
);
258 HeapFree(GetProcessHeap(), 0, username
);
259 HeapFree(GetProcessHeap(), 0, domain
);
264 /***********************************************************************
265 * AcquireCredentialsHandleA
267 static SECURITY_STATUS SEC_ENTRY
ntlm_AcquireCredentialsHandleA(
268 SEC_CHAR
*pszPrincipal
, SEC_CHAR
*pszPackage
, ULONG fCredentialUse
,
269 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
270 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
273 int user_sizeW
, domain_sizeW
, passwd_sizeW
;
275 SEC_WCHAR
*user
= NULL
, *domain
= NULL
, *passwd
= NULL
, *package
= NULL
;
277 PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW
= NULL
;
278 PSEC_WINNT_AUTH_IDENTITY_A identity
= NULL
;
280 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
281 debugstr_a(pszPrincipal
), debugstr_a(pszPackage
), fCredentialUse
,
282 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
284 if(pszPackage
!= NULL
)
286 int package_sizeW
= MultiByteToWideChar(CP_ACP
, 0, pszPackage
, -1,
289 package
= HeapAlloc(GetProcessHeap(), 0, package_sizeW
*
291 MultiByteToWideChar(CP_ACP
, 0, pszPackage
, -1, package
, package_sizeW
);
295 if(pAuthData
!= NULL
)
297 identity
= (PSEC_WINNT_AUTH_IDENTITY_A
)pAuthData
;
299 if(identity
->Flags
== SEC_WINNT_AUTH_IDENTITY_ANSI
)
301 pAuthDataW
= HeapAlloc(GetProcessHeap(), 0,
302 sizeof(SEC_WINNT_AUTH_IDENTITY_W
));
304 if(identity
->UserLength
!= 0)
306 user_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
307 (LPCSTR
)identity
->User
, identity
->UserLength
+1, NULL
, 0);
308 user
= HeapAlloc(GetProcessHeap(), 0, user_sizeW
*
310 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->User
,
311 identity
->UserLength
+1, user
, user_sizeW
);
318 if(identity
->DomainLength
!= 0)
320 domain_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
321 (LPCSTR
)identity
->Domain
, identity
->DomainLength
+1, NULL
, 0);
322 domain
= HeapAlloc(GetProcessHeap(), 0, domain_sizeW
323 * sizeof(SEC_WCHAR
));
324 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->Domain
,
325 identity
->DomainLength
+1, domain
, domain_sizeW
);
332 if(identity
->PasswordLength
!= 0)
334 passwd_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
335 (LPCSTR
)identity
->Password
, identity
->PasswordLength
,
337 passwd
= HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
338 * sizeof(SEC_WCHAR
));
339 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->Password
,
340 identity
->PasswordLength
, passwd
, passwd_sizeW
);
347 pAuthDataW
->Flags
= SEC_WINNT_AUTH_IDENTITY_UNICODE
;
348 pAuthDataW
->User
= user
;
349 pAuthDataW
->UserLength
= user_sizeW
;
350 pAuthDataW
->Domain
= domain
;
351 pAuthDataW
->DomainLength
= domain_sizeW
;
352 pAuthDataW
->Password
= passwd
;
353 pAuthDataW
->PasswordLength
= passwd_sizeW
;
357 pAuthDataW
= (PSEC_WINNT_AUTH_IDENTITY_W
)identity
;
361 ret
= ntlm_AcquireCredentialsHandleW(NULL
, package
, fCredentialUse
,
362 pLogonID
, pAuthDataW
, pGetKeyFn
, pGetKeyArgument
, phCredential
,
365 HeapFree(GetProcessHeap(), 0, package
);
366 HeapFree(GetProcessHeap(), 0, user
);
367 HeapFree(GetProcessHeap(), 0, domain
);
368 HeapFree(GetProcessHeap(), 0, passwd
);
369 if(pAuthDataW
!= (PSEC_WINNT_AUTH_IDENTITY_W
)identity
)
370 HeapFree(GetProcessHeap(), 0, pAuthDataW
);
375 /***********************************************************************
376 * InitializeSecurityContextW
378 static SECURITY_STATUS SEC_ENTRY
ntlm_InitializeSecurityContextW(
379 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_WCHAR
*pszTargetName
,
380 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
381 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
382 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
387 char* buffer
, *want_flags
= NULL
;
389 int buffer_len
, bin_len
, max_len
= NTLM_MAX_BUF
;
391 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
392 debugstr_w(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
393 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
396 return SEC_E_INVALID_HANDLE
;
398 /* As the server side of sspi never calls this, make sure that
399 * the handler is a client handler.
401 helper
= (PNegoHelper
)phCredential
->dwLower
;
402 if(helper
->mode
!= NTLM_CLIENT
)
404 TRACE("Helper mode = %d\n", helper
->mode
);
405 return SEC_E_INVALID_HANDLE
;
408 /****************************************
409 * When communicating with the client, there can be the
410 * following reply packets:
411 * YR <base64 blob> should be sent to the server
412 * PW should be sent back to helper with
413 * base64 encoded password
414 * AF <base64 blob> client is done, blob should be
415 * sent to server with KK prefixed
416 * GF <string list> A string list of negotiated flags
417 * GK <base64 blob> base64 encoded session key
418 * BH <char reason> something broke
420 /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
424 TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
427 if(TargetDataRep
== SECURITY_NETWORK_DREP
){
428 TRACE("Setting SECURITY_NETWORK_DREP\n");
431 buffer
= HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF
);
432 bin
= HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE
) * NTLM_MAX_BUF
);
434 if((phContext
== NULL
) && (pInput
== NULL
))
436 TRACE("First time in ISC()\n");
437 /* Allocate space for a maximal string of
438 * "SF NTLMSSP_FEATURE_SIGN NTLMSSP_FEATURE_SEAL
439 * NTLMSSP_FEATURE_SESSION_KEY"
441 want_flags
= HeapAlloc(GetProcessHeap(), 0, 73);
442 if(want_flags
== NULL
)
444 ret
= SEC_E_INSUFFICIENT_MEMORY
;
447 lstrcpyA(want_flags
, "SF");
448 if(fContextReq
& ISC_REQ_CONFIDENTIALITY
)
451 if((ptr
= strstr(want_flags
, "NTLMSSP_FEATURE_SEAL")) == NULL
)
452 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SEAL");
454 if(fContextReq
& ISC_REQ_CONNECTION
)
455 ctxt_attr
|= ISC_RET_CONNECTION
;
456 if(fContextReq
& ISC_REQ_EXTENDED_ERROR
)
457 ctxt_attr
|= ISC_RET_EXTENDED_ERROR
;
458 if(fContextReq
& ISC_REQ_INTEGRITY
)
461 if((ptr
= strstr(want_flags
, "NTLMSSP_FEATURE_SIGN")) == NULL
)
462 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
464 if(fContextReq
& ISC_REQ_MUTUAL_AUTH
)
465 ctxt_attr
|= ISC_RET_MUTUAL_AUTH
;
466 if(fContextReq
& ISC_REQ_REPLAY_DETECT
)
469 if((ptr
= strstr(want_flags
, "NTLMSSP_FEATURE_SIGN")) == NULL
)
470 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
472 if(fContextReq
& ISC_REQ_SEQUENCE_DETECT
)
475 if((ptr
= strstr(want_flags
, "NTLMSSP_FEATURE_SIGN")) == NULL
)
476 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
478 if(fContextReq
& ISC_REQ_STREAM
)
479 FIXME("ISC_REQ_STREAM\n");
480 if(fContextReq
& ISC_REQ_USE_DCE_STYLE
)
481 ctxt_attr
|= ISC_RET_USED_DCE_STYLE
;
482 if(fContextReq
& ISC_REQ_DELEGATE
)
483 ctxt_attr
|= ISC_RET_DELEGATE
;
485 /* If no password is given, try to use cached credentials. Fall back to an empty
486 * password if this failed. */
487 if(helper
->password
== NULL
)
489 lstrcpynA(buffer
, "OK", max_len
-1);
490 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
492 /* If the helper replied with "PW", using cached credentials failed */
493 if(!strncmp(buffer
, "PW", 2))
495 TRACE("Using cached credentials failed. Using empty password.\n");
496 lstrcpynA(buffer
, "PW AA==", max_len
-1);
498 else /* Just do a noop on the next run */
499 lstrcpynA(buffer
, "OK", max_len
-1);
503 lstrcpynA(buffer
, "PW ", max_len
-1);
504 if((ret
= encodeBase64((unsigned char*)helper
->password
,
505 helper
->pwlen
-2, buffer
+3,
506 max_len
-3, &buffer_len
)) != SEC_E_OK
)
508 TRACE("Deleting password!\n");
509 memset(helper
->password
, 0, helper
->pwlen
-2);
510 HeapFree(GetProcessHeap(), 0, helper
->password
);
516 TRACE("Sending to helper: %s\n", debugstr_a(buffer
));
517 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
520 TRACE("Helper returned %s\n", debugstr_a(buffer
));
522 if(lstrlenA(want_flags
) > 2)
524 TRACE("Want flags are %s\n", debugstr_a(want_flags
));
525 lstrcpynA(buffer
, want_flags
, max_len
-1);
526 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
))
529 if(!strncmp(buffer
, "BH", 2))
530 ERR("Helper doesn't understand new command set. Expect more things to fail.\n");
533 lstrcpynA(buffer
, "YR", max_len
-1);
535 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
538 TRACE("%s\n", buffer
);
540 if(strncmp(buffer
, "YR ", 3) != 0)
542 /* Something borked */
543 TRACE("Helper returned %c%c\n", buffer
[0], buffer
[1]);
544 ret
= SEC_E_INTERNAL_ERROR
;
547 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
,
548 max_len
-1, &bin_len
)) != SEC_E_OK
)
551 /* put the decoded client blob into the out buffer */
553 ret
= SEC_I_CONTINUE_NEEDED
;
557 /* handle second call here */
558 /* encode server data to base64 */
559 if (!pInput
|| !pInput
->cBuffers
)
561 ret
= SEC_E_INCOMPLETE_MESSAGE
;
565 if (!pInput
->pBuffers
[0].pvBuffer
)
567 ret
= SEC_E_INTERNAL_ERROR
;
571 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
573 TRACE("pInput->pBuffers[0].cbBuffer is: %ld\n",
574 pInput
->pBuffers
[0].cbBuffer
);
575 ret
= SEC_E_INVALID_TOKEN
;
579 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
581 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
583 lstrcpynA(buffer
, "TT ", max_len
-1);
585 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3,
586 max_len
-3, &buffer_len
)) != SEC_E_OK
)
589 TRACE("Server sent: %s\n", debugstr_a(buffer
));
591 /* send TT base64 blob to ntlm_auth */
592 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
595 TRACE("Helper replied: %s\n", debugstr_a(buffer
));
597 if( (strncmp(buffer
, "KK ", 3) != 0) &&
598 (strncmp(buffer
, "AF ", 3) !=0))
600 TRACE("Helper returned %c%c\n", buffer
[0], buffer
[1]);
601 ret
= SEC_E_INVALID_TOKEN
;
605 /* decode the blob and send it to server */
606 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
607 &bin_len
)) != SEC_E_OK
)
612 phNewContext
->dwUpper
= ctxt_attr
;
613 phNewContext
->dwLower
= (ULONG_PTR
)helper
;
618 /* put the decoded client blob into the out buffer */
620 if (fContextReq
& ISC_REQ_ALLOCATE_MEMORY
)
624 pOutput
->cBuffers
= 1;
625 pOutput
->pBuffers
[0].pvBuffer
= SECUR32_ALLOC(bin_len
);
626 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
630 if (!pOutput
|| !pOutput
->cBuffers
|| pOutput
->pBuffers
[0].cbBuffer
< bin_len
)
632 TRACE("out buffer is NULL or has not enough space\n");
633 ret
= SEC_E_BUFFER_TOO_SMALL
;
637 if (!pOutput
->pBuffers
[0].pvBuffer
)
639 TRACE("out buffer is NULL\n");
640 ret
= SEC_E_INTERNAL_ERROR
;
644 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
645 pOutput
->pBuffers
[0].BufferType
= SECBUFFER_DATA
;
646 memcpy(pOutput
->pBuffers
[0].pvBuffer
, bin
, bin_len
);
650 TRACE("Getting negotiated flags\n");
651 lstrcpynA(buffer
, "GF", max_len
- 1);
652 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
657 TRACE("No flags negotiated.\n");
658 helper
->neg_flags
= 0l;
662 TRACE("Negotiated %s\n", debugstr_a(buffer
));
663 sscanf(buffer
+ 3, "%lx", &(helper
->neg_flags
));
664 TRACE("Stored 0x%08lx as flags\n", helper
->neg_flags
);
667 TRACE("Getting session key\n");
668 lstrcpynA(buffer
, "GK", max_len
- 1);
669 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
672 if(strncmp(buffer
, "BH", 2) == 0)
674 TRACE("No key negotiated.\n");
675 helper
->valid_session_key
= FALSE
;
676 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
677 /*Generate the dummy session key = MD4(MD4(password))*/
680 SEC_WCHAR
*unicode_password
;
683 TRACE("Converting password to unicode.\n");
684 passwd_lenW
= MultiByteToWideChar(CP_ACP
, 0,
685 (LPCSTR
)helper
->password
, helper
->pwlen
,
687 unicode_password
= HeapAlloc(GetProcessHeap(), 0,
688 passwd_lenW
* sizeof(SEC_WCHAR
));
689 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)helper
->password
,
690 helper
->pwlen
, unicode_password
, passwd_lenW
);
692 SECUR32_CreateNTLMv1SessionKey((PBYTE
)unicode_password
,
693 lstrlenW(unicode_password
) * sizeof(SEC_WCHAR
), helper
->session_key
);
695 HeapFree(GetProcessHeap(), 0, unicode_password
);
698 memset(helper
->session_key
, 0, 16);
700 else if(strncmp(buffer
, "GK ", 3) == 0)
702 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
703 &bin_len
)) != SEC_E_OK
)
705 TRACE("Failed to decode session key\n");
707 TRACE("Session key is %s\n", debugstr_a(buffer
+3));
708 helper
->valid_session_key
= TRUE
;
709 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, bin_len
);
710 if(!helper
->session_key
)
712 TRACE("Failed to allocate memory for session key\n");
713 ret
= SEC_E_INTERNAL_ERROR
;
716 memcpy(helper
->session_key
, bin
, bin_len
);
719 helper
->crypt
.ntlm
.a4i
= SECUR32_arc4Alloc();
720 SECUR32_arc4Init(helper
->crypt
.ntlm
.a4i
, helper
->session_key
, 16);
721 helper
->crypt
.ntlm
.seq_num
= 0l;
722 SECUR32_CreateNTLMv2SubKeys(helper
);
723 helper
->crypt
.ntlm2
.send_a4i
= SECUR32_arc4Alloc();
724 helper
->crypt
.ntlm2
.recv_a4i
= SECUR32_arc4Alloc();
725 SECUR32_arc4Init(helper
->crypt
.ntlm2
.send_a4i
,
726 (BYTE
*)helper
->crypt
.ntlm2
.send_seal_key
, 16);
727 SECUR32_arc4Init(helper
->crypt
.ntlm2
.recv_a4i
,
728 (BYTE
*)helper
->crypt
.ntlm2
.recv_seal_key
, 16);
729 helper
->crypt
.ntlm2
.send_seq_no
= 0l;
730 helper
->crypt
.ntlm2
.recv_seq_no
= 0l;
733 if(ret
!= SEC_I_CONTINUE_NEEDED
)
735 TRACE("Deleting password!\n");
737 memset(helper
->password
, 0, helper
->pwlen
-2);
738 HeapFree(GetProcessHeap(), 0, helper
->password
);
741 HeapFree(GetProcessHeap(), 0, want_flags
);
742 HeapFree(GetProcessHeap(), 0, buffer
);
743 HeapFree(GetProcessHeap(), 0, bin
);
747 /***********************************************************************
748 * InitializeSecurityContextA
750 static SECURITY_STATUS SEC_ENTRY
ntlm_InitializeSecurityContextA(
751 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_CHAR
*pszTargetName
,
752 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
753 PSecBufferDesc pInput
,ULONG Reserved2
, PCtxtHandle phNewContext
,
754 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
758 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
759 debugstr_a(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
760 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
764 SEC_WCHAR
*target
= NULL
;
765 if(pszTargetName
!= NULL
)
767 int target_size
= MultiByteToWideChar(CP_ACP
, 0, pszTargetName
,
768 strlen(pszTargetName
)+1, NULL
, 0);
769 target
= HeapAlloc(GetProcessHeap(), 0, target_size
*
771 MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, strlen(pszTargetName
)+1,
772 target
, target_size
);
775 ret
= ntlm_InitializeSecurityContextW(phCredential
, phContext
, target
,
776 fContextReq
, Reserved1
, TargetDataRep
, pInput
, Reserved2
,
777 phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
779 HeapFree(GetProcessHeap(), 0, target
);
783 ret
= SEC_E_INVALID_HANDLE
;
788 /***********************************************************************
789 * AcceptSecurityContext
791 static SECURITY_STATUS SEC_ENTRY
ntlm_AcceptSecurityContext(
792 PCredHandle phCredential
, PCtxtHandle phContext
, PSecBufferDesc pInput
,
793 ULONG fContextReq
, ULONG TargetDataRep
, PCtxtHandle phNewContext
,
794 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
797 char *buffer
, *want_flags
= NULL
;
799 int buffer_len
, bin_len
, max_len
= NTLM_MAX_BUF
;
803 TRACE("%p %p %p %d %d %p %p %p %p\n", phCredential
, phContext
, pInput
,
804 fContextReq
, TargetDataRep
, phNewContext
, pOutput
, pfContextAttr
,
808 return SEC_E_INVALID_HANDLE
;
810 helper
= (PNegoHelper
)phCredential
->dwLower
;
812 buffer
= HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF
);
813 bin
= HeapAlloc(GetProcessHeap(),0, sizeof(BYTE
) * NTLM_MAX_BUF
);
815 if(helper
->mode
!= NTLM_SERVER
)
817 ret
= SEC_E_INVALID_HANDLE
;
821 if(TargetDataRep
== SECURITY_NETWORK_DREP
){
822 TRACE("Using SECURITY_NETWORK_DREP\n");
825 if(phContext
== NULL
)
827 /* This is the first call to AcceptSecurityHandle */
830 ret
= SEC_E_INCOMPLETE_MESSAGE
;
834 if(pInput
->cBuffers
< 1)
836 ret
= SEC_E_INCOMPLETE_MESSAGE
;
840 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
842 ret
= SEC_E_INVALID_TOKEN
;
846 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
848 /* Handle all the flags */
849 want_flags
= HeapAlloc(GetProcessHeap(), 0, 73);
850 if(want_flags
== NULL
)
852 TRACE("Failed to allocate memory for the want_flags!\n");
853 ret
= SEC_E_INSUFFICIENT_MEMORY
;
856 lstrcpyA(want_flags
, "SF");
857 if(fContextReq
& ASC_REQ_ALLOCATE_MEMORY
)
859 FIXME("ASC_REQ_ALLOCATE_MEMORY stub\n");
861 if(fContextReq
& ASC_REQ_CONFIDENTIALITY
)
863 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SEAL");
865 if(fContextReq
& ASC_REQ_CONNECTION
)
867 /* This is default, so we'll enable it */
868 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SESSION_KEY");
869 ctxt_attr
|= ASC_RET_CONNECTION
;
871 if(fContextReq
& ASC_REQ_EXTENDED_ERROR
)
873 FIXME("ASC_REQ_EXTENDED_ERROR stub\n");
875 if(fContextReq
& ASC_REQ_INTEGRITY
)
877 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
879 if(fContextReq
& ASC_REQ_MUTUAL_AUTH
)
881 FIXME("ASC_REQ_MUTUAL_AUTH stub\n");
883 if(fContextReq
& ASC_REQ_REPLAY_DETECT
)
885 FIXME("ASC_REQ_REPLAY_DETECT stub\n");
887 if(fContextReq
& ISC_REQ_SEQUENCE_DETECT
)
889 FIXME("ASC_REQ_SEQUENCE_DETECT stub\n");
891 if(fContextReq
& ISC_REQ_STREAM
)
893 FIXME("ASC_REQ_STREAM stub\n");
895 /* Done with the flags */
897 if(lstrlenA(want_flags
) > 3)
899 TRACE("Server set want_flags: %s\n", debugstr_a(want_flags
));
900 lstrcpynA(buffer
, want_flags
, max_len
- 1);
901 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
904 if(!strncmp(buffer
, "BH", 2))
905 TRACE("Helper doesn't understand new command set\n");
908 /* This is the YR request from the client, encode to base64 */
910 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
912 lstrcpynA(buffer
, "YR ", max_len
-1);
914 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3, max_len
-3,
915 &buffer_len
)) != SEC_E_OK
)
920 TRACE("Client sent: %s\n", debugstr_a(buffer
));
922 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
928 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer
));
929 /* The expected answer is TT <base64 blob> */
931 if(strncmp(buffer
, "TT ", 3) != 0)
933 ret
= SEC_E_INTERNAL_ERROR
;
937 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
938 &bin_len
)) != SEC_E_OK
)
943 /* send this to the client */
946 ret
= SEC_E_INSUFFICIENT_MEMORY
;
950 if(pOutput
->cBuffers
< 1)
952 ret
= SEC_E_INSUFFICIENT_MEMORY
;
956 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
957 pOutput
->pBuffers
[0].BufferType
= SECBUFFER_DATA
;
958 memcpy(pOutput
->pBuffers
[0].pvBuffer
, bin
, bin_len
);
959 ret
= SEC_I_CONTINUE_NEEDED
;
964 /* we expect a KK request from client */
967 ret
= SEC_E_INCOMPLETE_MESSAGE
;
971 if(pInput
->cBuffers
< 1)
973 ret
= SEC_E_INCOMPLETE_MESSAGE
;
977 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
979 ret
= SEC_E_INVALID_TOKEN
;
983 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
985 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
987 lstrcpynA(buffer
, "KK ", max_len
-1);
989 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3, max_len
-3,
990 &buffer_len
)) != SEC_E_OK
)
995 TRACE("Client sent: %s\n", debugstr_a(buffer
));
997 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
1003 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer
));
1005 if(strncmp(buffer
, "AF ", 3) != 0)
1007 if(strncmp(buffer
, "NA ", 3) == 0)
1009 ret
= SEC_E_LOGON_DENIED
;
1014 ret
= SEC_E_INTERNAL_ERROR
;
1018 pOutput
->pBuffers
[0].cbBuffer
= 0;
1021 TRACE("Getting negotiated flags\n");
1022 lstrcpynA(buffer
, "GF", max_len
- 1);
1023 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
1028 TRACE("No flags negotiated, or helper does not support GF command\n");
1032 TRACE("Negotiated %s\n", debugstr_a(buffer
));
1033 sscanf(buffer
+ 3, "%lx", &(helper
->neg_flags
));
1034 TRACE("Stored 0x%08lx as flags\n", helper
->neg_flags
);
1037 TRACE("Getting session key\n");
1038 lstrcpynA(buffer
, "GK", max_len
- 1);
1039 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
1043 TRACE("Helper does not support GK command\n");
1046 if(strncmp(buffer
, "BH ", 3) == 0)
1048 TRACE("Helper sent %s\n", debugstr_a(buffer
+3));
1049 helper
->valid_session_key
= FALSE
;
1050 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
1051 /*FIXME: Generate the dummy session key = MD4(MD4(password))*/
1052 memset(helper
->session_key
, 0 , 16);
1054 else if(strncmp(buffer
, "GK ", 3) == 0)
1056 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
1057 &bin_len
)) != SEC_E_OK
)
1059 TRACE("Failed to decode session key\n");
1061 TRACE("Session key is %s\n", debugstr_a(buffer
+3));
1062 helper
->valid_session_key
= TRUE
;
1063 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
1064 if(!helper
->session_key
)
1066 TRACE("Failed to allocate memory for session key\n");
1067 ret
= SEC_E_INTERNAL_ERROR
;
1070 memcpy(helper
->session_key
, bin
, 16);
1073 helper
->crypt
.ntlm
.a4i
= SECUR32_arc4Alloc();
1074 SECUR32_arc4Init(helper
->crypt
.ntlm
.a4i
, helper
->session_key
, 16);
1075 helper
->crypt
.ntlm
.seq_num
= 0l;
1078 phNewContext
->dwUpper
= ctxt_attr
;
1079 phNewContext
->dwLower
= (ULONG_PTR
)helper
;
1082 HeapFree(GetProcessHeap(), 0, want_flags
);
1083 HeapFree(GetProcessHeap(), 0, buffer
);
1084 HeapFree(GetProcessHeap(), 0, bin
);
1088 /***********************************************************************
1091 static SECURITY_STATUS SEC_ENTRY
ntlm_CompleteAuthToken(PCtxtHandle phContext
,
1092 PSecBufferDesc pToken
)
1094 /* We never need to call CompleteAuthToken anyway */
1095 TRACE("%p %p\n", phContext
, pToken
);
1097 return SEC_E_INVALID_HANDLE
;
1102 /***********************************************************************
1103 * DeleteSecurityContext
1105 static SECURITY_STATUS SEC_ENTRY
ntlm_DeleteSecurityContext(PCtxtHandle phContext
)
1109 TRACE("%p\n", phContext
);
1111 return SEC_E_INVALID_HANDLE
;
1113 helper
= (PNegoHelper
)phContext
->dwLower
;
1115 phContext
->dwUpper
= 0;
1116 phContext
->dwLower
= 0;
1118 SECUR32_arc4Cleanup(helper
->crypt
.ntlm
.a4i
);
1119 HeapFree(GetProcessHeap(), 0, helper
->session_key
);
1120 helper
->valid_session_key
= FALSE
;
1121 SECUR32_arc4Cleanup(helper
->crypt
.ntlm2
.send_a4i
);
1122 SECUR32_arc4Cleanup(helper
->crypt
.ntlm2
.recv_a4i
);
1123 HeapFree(GetProcessHeap(), 0, helper
->crypt
.ntlm2
.send_sign_key
);
1124 HeapFree(GetProcessHeap(), 0, helper
->crypt
.ntlm2
.send_seal_key
);
1125 HeapFree(GetProcessHeap(), 0, helper
->crypt
.ntlm2
.recv_sign_key
);
1126 HeapFree(GetProcessHeap(), 0, helper
->crypt
.ntlm2
.recv_seal_key
);
1131 /***********************************************************************
1132 * QueryContextAttributesW
1134 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryContextAttributesW(PCtxtHandle phContext
,
1135 ULONG ulAttribute
, void *pBuffer
)
1137 TRACE("%p %d %p\n", phContext
, ulAttribute
, pBuffer
);
1139 return SEC_E_INVALID_HANDLE
;
1143 #define _x(x) case (x) : FIXME(#x" stub\n"); break
1144 _x(SECPKG_ATTR_ACCESS_TOKEN
);
1145 _x(SECPKG_ATTR_AUTHORITY
);
1146 _x(SECPKG_ATTR_DCE_INFO
);
1147 case SECPKG_ATTR_FLAGS
:
1149 PSecPkgContext_Flags spcf
= (PSecPkgContext_Flags
)pBuffer
;
1150 PNegoHelper helper
= (PNegoHelper
)phContext
->dwLower
;
1153 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1154 spcf
->Flags
|= ISC_RET_INTEGRITY
;
1155 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SEAL
)
1156 spcf
->Flags
|= ISC_RET_CONFIDENTIALITY
;
1159 _x(SECPKG_ATTR_KEY_INFO
);
1160 _x(SECPKG_ATTR_LIFESPAN
);
1161 _x(SECPKG_ATTR_NAMES
);
1162 _x(SECPKG_ATTR_NATIVE_NAMES
);
1163 _x(SECPKG_ATTR_NEGOTIATION_INFO
);
1164 _x(SECPKG_ATTR_PACKAGE_INFO
);
1165 _x(SECPKG_ATTR_PASSWORD_EXPIRY
);
1166 _x(SECPKG_ATTR_SESSION_KEY
);
1167 case SECPKG_ATTR_SIZES
:
1169 PSecPkgContext_Sizes spcs
= (PSecPkgContext_Sizes
)pBuffer
;
1170 spcs
->cbMaxToken
= NTLM_MAX_BUF
;
1171 spcs
->cbMaxSignature
= 16;
1172 spcs
->cbBlockSize
= 0;
1173 spcs
->cbSecurityTrailer
= 16;
1176 _x(SECPKG_ATTR_STREAM_SIZES
);
1177 _x(SECPKG_ATTR_TARGET_INFORMATION
);
1180 TRACE("Unknown value %d passed for ulAttribute\n", ulAttribute
);
1183 return SEC_E_UNSUPPORTED_FUNCTION
;
1186 /***********************************************************************
1187 * QueryContextAttributesA
1189 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryContextAttributesA(PCtxtHandle phContext
,
1190 ULONG ulAttribute
, void *pBuffer
)
1192 return ntlm_QueryContextAttributesW(phContext
, ulAttribute
, pBuffer
);
1195 /***********************************************************************
1196 * ImpersonateSecurityContext
1198 static SECURITY_STATUS SEC_ENTRY
ntlm_ImpersonateSecurityContext(PCtxtHandle phContext
)
1200 SECURITY_STATUS ret
;
1202 TRACE("%p\n", phContext
);
1205 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
1209 ret
= SEC_E_INVALID_HANDLE
;
1214 /***********************************************************************
1215 * RevertSecurityContext
1217 static SECURITY_STATUS SEC_ENTRY
ntlm_RevertSecurityContext(PCtxtHandle phContext
)
1219 SECURITY_STATUS ret
;
1221 TRACE("%p\n", phContext
);
1224 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
1228 ret
= SEC_E_INVALID_HANDLE
;
1233 /*************************************************************************
1234 * ntlm_GetTokenBufferIndex
1235 * Calculates the index of the secbuffer with BufferType == SECBUFFER_TOKEN
1236 * Returns index if found or -1 if not found.
1238 static int ntlm_GetTokenBufferIndex(PSecBufferDesc pMessage
)
1242 TRACE("%p\n", pMessage
);
1244 for( i
= 0; i
< pMessage
->cBuffers
; ++i
)
1246 if(pMessage
->pBuffers
[i
].BufferType
== SECBUFFER_TOKEN
)
1253 /***********************************************************************
1254 * ntlm_CreateSignature
1255 * As both MakeSignature and VerifySignature need this, but different keys
1256 * are needed for NTLMv2, the logic goes into a helper function.
1257 * To ensure maximal reusability, we can specify the direction as NTLM_SEND for
1258 * signing/encrypting and NTLM_RECV for verfying/decrypting. When encrypting,
1259 * the signature is encrypted after the message was encrypted, so
1260 * CreateSignature shouldn't do it. In this case, encrypt_sig can be set to
1263 static SECURITY_STATUS
ntlm_CreateSignature(PNegoHelper helper
, PSecBufferDesc pMessage
,
1264 int token_idx
, SignDirection direction
, BOOL encrypt_sig
)
1266 ULONG sign_version
= 1;
1269 TRACE("%p, %p, %d, %d, %d\n", helper
, pMessage
, token_idx
, direction
,
1272 sig
= pMessage
->pBuffers
[token_idx
].pvBuffer
;
1274 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
&&
1275 helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1279 HMAC_MD5_CTX hmac_md5_ctx
;
1281 TRACE("Signing NTLM2 style\n");
1283 if(direction
== NTLM_SEND
)
1285 seq_no
[0] = (helper
->crypt
.ntlm2
.send_seq_no
>> 0) & 0xff;
1286 seq_no
[1] = (helper
->crypt
.ntlm2
.send_seq_no
>> 8) & 0xff;
1287 seq_no
[2] = (helper
->crypt
.ntlm2
.send_seq_no
>> 16) & 0xff;
1288 seq_no
[3] = (helper
->crypt
.ntlm2
.send_seq_no
>> 24) & 0xff;
1290 ++(helper
->crypt
.ntlm2
.send_seq_no
);
1292 HMACMD5Init(&hmac_md5_ctx
, helper
->crypt
.ntlm2
.send_sign_key
, 16);
1296 seq_no
[0] = (helper
->crypt
.ntlm2
.recv_seq_no
>> 0) & 0xff;
1297 seq_no
[1] = (helper
->crypt
.ntlm2
.recv_seq_no
>> 8) & 0xff;
1298 seq_no
[2] = (helper
->crypt
.ntlm2
.recv_seq_no
>> 16) & 0xff;
1299 seq_no
[3] = (helper
->crypt
.ntlm2
.recv_seq_no
>> 24) & 0xff;
1301 ++(helper
->crypt
.ntlm2
.recv_seq_no
);
1303 HMACMD5Init(&hmac_md5_ctx
, helper
->crypt
.ntlm2
.recv_sign_key
, 16);
1306 HMACMD5Update(&hmac_md5_ctx
, seq_no
, 4);
1307 for( i
= 0; i
< pMessage
->cBuffers
; ++i
)
1309 if(pMessage
->pBuffers
[i
].BufferType
& SECBUFFER_DATA
)
1310 HMACMD5Update(&hmac_md5_ctx
, (BYTE
*)pMessage
->pBuffers
[i
].pvBuffer
,
1311 pMessage
->pBuffers
[i
].cbBuffer
);
1314 HMACMD5Final(&hmac_md5_ctx
, digest
);
1316 if(encrypt_sig
&& helper
->neg_flags
& NTLMSSP_NEGOTIATE_KEY_EXCHANGE
)
1318 if(direction
== NTLM_SEND
)
1319 SECUR32_arc4Process(helper
->crypt
.ntlm2
.send_a4i
, digest
, 8);
1321 SECUR32_arc4Process(helper
->crypt
.ntlm2
.recv_a4i
, digest
, 8);
1324 /* The NTLM2 signature is the sign version */
1325 sig
[ 0] = (sign_version
>> 0) & 0xff;
1326 sig
[ 1] = (sign_version
>> 8) & 0xff;
1327 sig
[ 2] = (sign_version
>> 16) & 0xff;
1328 sig
[ 3] = (sign_version
>> 24) & 0xff;
1329 /* The first 8 bytes of the digest */
1330 memcpy(sig
+4, digest
, 8);
1331 /* And the sequence number */
1332 memcpy(sig
+12, seq_no
, 4);
1334 pMessage
->pBuffers
[token_idx
].cbBuffer
= 16;
1338 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1341 TRACE("Signing NTLM1 style\n");
1343 for(i
=0; i
< pMessage
->cBuffers
; ++i
)
1345 if(pMessage
->pBuffers
[i
].BufferType
& SECBUFFER_DATA
)
1347 crc
= ComputeCrc32(pMessage
->pBuffers
[i
].pvBuffer
,
1348 pMessage
->pBuffers
[i
].cbBuffer
, crc
);
1352 sig
[ 0] = (sign_version
>> 0) & 0xff;
1353 sig
[ 1] = (sign_version
>> 8) & 0xff;
1354 sig
[ 2] = (sign_version
>> 16) & 0xff;
1355 sig
[ 3] = (sign_version
>> 24) & 0xff;
1356 memset(sig
+4, 0, 4);
1357 sig
[ 8] = (crc
>> 0) & 0xff;
1358 sig
[ 9] = (crc
>> 8) & 0xff;
1359 sig
[10] = (crc
>> 16) & 0xff;
1360 sig
[11] = (crc
>> 24) & 0xff;
1361 sig
[12] = (helper
->crypt
.ntlm
.seq_num
>> 0) & 0xff;
1362 sig
[13] = (helper
->crypt
.ntlm
.seq_num
>> 8) & 0xff;
1363 sig
[14] = (helper
->crypt
.ntlm
.seq_num
>> 16) & 0xff;
1364 sig
[15] = (helper
->crypt
.ntlm
.seq_num
>> 24) & 0xff;
1366 ++(helper
->crypt
.ntlm
.seq_num
);
1369 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, sig
+4, 12);
1373 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_ALWAYS_SIGN
|| helper
->neg_flags
== 0)
1375 TRACE("Creating a dummy signature.\n");
1376 /* A dummy signature is 0x01 followed by 15 bytes of 0x00 */
1377 memset(pMessage
->pBuffers
[token_idx
].pvBuffer
, 0, 16);
1378 memset(pMessage
->pBuffers
[token_idx
].pvBuffer
, 0x01, 1);
1379 pMessage
->pBuffers
[token_idx
].cbBuffer
= 16;
1383 return SEC_E_UNSUPPORTED_FUNCTION
;
1386 /***********************************************************************
1389 static SECURITY_STATUS SEC_ENTRY
ntlm_MakeSignature(PCtxtHandle phContext
, ULONG fQOP
,
1390 PSecBufferDesc pMessage
, ULONG MessageSeqNo
)
1395 TRACE("%p %d %p %d\n", phContext
, fQOP
, pMessage
, MessageSeqNo
);
1397 return SEC_E_INVALID_HANDLE
;
1400 FIXME("Ignoring fQOP 0x%08x\n", fQOP
);
1403 FIXME("Ignoring MessageSeqNo\n");
1405 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2)
1406 return SEC_E_INVALID_TOKEN
;
1408 /* If we didn't find a SECBUFFER_TOKEN type buffer */
1409 if((token_idx
= ntlm_GetTokenBufferIndex(pMessage
)) == -1)
1410 return SEC_E_INVALID_TOKEN
;
1412 if(pMessage
->pBuffers
[token_idx
].cbBuffer
< 16)
1413 return SEC_E_BUFFER_TOO_SMALL
;
1415 helper
= (PNegoHelper
)phContext
->dwLower
;
1416 TRACE("Negotiated flags are: 0x%08lx\n", helper
->neg_flags
);
1418 return ntlm_CreateSignature(helper
, pMessage
, token_idx
, NTLM_SEND
, TRUE
);
1421 /***********************************************************************
1424 static SECURITY_STATUS SEC_ENTRY
ntlm_VerifySignature(PCtxtHandle phContext
,
1425 PSecBufferDesc pMessage
, ULONG MessageSeqNo
, PULONG pfQOP
)
1431 SECURITY_STATUS ret
;
1432 SecBufferDesc local_desc
;
1433 PSecBuffer local_buff
;
1436 TRACE("%p %p %d %p\n", phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1438 return SEC_E_INVALID_HANDLE
;
1440 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2)
1441 return SEC_E_INVALID_TOKEN
;
1443 if((token_idx
= ntlm_GetTokenBufferIndex(pMessage
)) == -1)
1444 return SEC_E_INVALID_TOKEN
;
1446 if(pMessage
->pBuffers
[token_idx
].cbBuffer
< 16)
1447 return SEC_E_BUFFER_TOO_SMALL
;
1450 FIXME("Ignoring MessageSeqNo\n");
1452 helper
= (PNegoHelper
)phContext
->dwLower
;
1453 TRACE("Negotiated flags: 0x%08lx\n", helper
->neg_flags
);
1455 local_buff
= HeapAlloc(GetProcessHeap(), 0, pMessage
->cBuffers
* sizeof(SecBuffer
));
1457 local_desc
.ulVersion
= SECBUFFER_VERSION
;
1458 local_desc
.cBuffers
= pMessage
->cBuffers
;
1459 local_desc
.pBuffers
= local_buff
;
1461 for(i
=0; i
< pMessage
->cBuffers
; ++i
)
1463 if(pMessage
->pBuffers
[i
].BufferType
== SECBUFFER_TOKEN
)
1465 local_buff
[i
].BufferType
= SECBUFFER_TOKEN
;
1466 local_buff
[i
].cbBuffer
= 16;
1467 local_buff
[i
].pvBuffer
= local_sig
;
1471 local_buff
[i
].BufferType
= pMessage
->pBuffers
[i
].BufferType
;
1472 local_buff
[i
].cbBuffer
= pMessage
->pBuffers
[i
].cbBuffer
;
1473 local_buff
[i
].pvBuffer
= pMessage
->pBuffers
[i
].pvBuffer
;
1477 if((ret
= ntlm_CreateSignature(helper
, &local_desc
, token_idx
, NTLM_RECV
, TRUE
)) != SEC_E_OK
)
1480 if(memcmp(((PBYTE
)local_buff
[token_idx
].pvBuffer
) + 8,
1481 ((PBYTE
)pMessage
->pBuffers
[token_idx
].pvBuffer
) + 8, 8))
1482 ret
= SEC_E_MESSAGE_ALTERED
;
1486 HeapFree(GetProcessHeap(), 0, local_buff
);
1493 /***********************************************************************
1494 * FreeCredentialsHandle
1496 static SECURITY_STATUS SEC_ENTRY
ntlm_FreeCredentialsHandle(
1497 PCredHandle phCredential
)
1499 SECURITY_STATUS ret
;
1502 PNegoHelper helper
= (PNegoHelper
) phCredential
->dwLower
;
1503 phCredential
->dwUpper
= 0;
1504 phCredential
->dwLower
= 0;
1505 cleanup_helper(helper
);
1514 /***********************************************************************
1517 static SECURITY_STATUS SEC_ENTRY
ntlm_EncryptMessage(PCtxtHandle phContext
,
1518 ULONG fQOP
, PSecBufferDesc pMessage
, ULONG MessageSeqNo
)
1523 TRACE("(%p %d %p %d)\n", phContext
, fQOP
, pMessage
, MessageSeqNo
);
1526 return SEC_E_INVALID_HANDLE
;
1529 FIXME("Ignoring fQOP\n");
1532 FIXME("Ignoring MessageSeqNo\n");
1534 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2)
1535 return SEC_E_INVALID_TOKEN
;
1537 if((token_idx
= ntlm_GetTokenBufferIndex(pMessage
)) == -1)
1538 return SEC_E_INVALID_TOKEN
;
1540 if(pMessage
->pBuffers
[token_idx
].cbBuffer
< 16)
1541 return SEC_E_BUFFER_TOO_SMALL
;
1543 helper
= (PNegoHelper
) phContext
->dwLower
;
1545 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
&&
1546 helper
->neg_flags
& NTLMSSP_NEGOTIATE_SEAL
)
1548 ntlm_CreateSignature(helper
, pMessage
, token_idx
, NTLM_SEND
, FALSE
);
1549 SECUR32_arc4Process(helper
->crypt
.ntlm2
.send_a4i
,
1550 (BYTE
*)pMessage
->pBuffers
[1].pvBuffer
,
1551 pMessage
->pBuffers
[1].cbBuffer
);
1553 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_KEY_EXCHANGE
)
1554 SECUR32_arc4Process(helper
->crypt
.ntlm2
.send_a4i
,
1555 ((BYTE
*)pMessage
->pBuffers
[token_idx
].pvBuffer
)+4, 8);
1565 /* EncryptMessage always produces real signatures, so make sure
1566 * NTLMSSP_NEGOTIATE_SIGN is set*/
1567 save_flags
= helper
->neg_flags
;
1568 helper
->neg_flags
|= NTLMSSP_NEGOTIATE_SIGN
;
1569 ntlm_CreateSignature(helper
, pMessage
, token_idx
, NTLM_SEND
, FALSE
);
1570 helper
->neg_flags
= save_flags
;
1572 sig
= pMessage
->pBuffers
[token_idx
].pvBuffer
;
1574 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, pMessage
->pBuffers
[1].pvBuffer
,
1575 pMessage
->pBuffers
[1].cbBuffer
);
1576 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, sig
+4, 12);
1578 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_ALWAYS_SIGN
|| helper
->neg_flags
== 0)
1579 memset(sig
+4, 0, 4);
1586 /***********************************************************************
1589 static SECURITY_STATUS SEC_ENTRY
ntlm_DecryptMessage(PCtxtHandle phContext
,
1590 PSecBufferDesc pMessage
, ULONG MessageSeqNo
, PULONG pfQOP
)
1592 SECURITY_STATUS ret
;
1593 ULONG ntlmssp_flags_save
;
1596 TRACE("(%p %p %d %p)\n", phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1599 return SEC_E_INVALID_HANDLE
;
1602 FIXME("Ignoring MessageSeqNo\n");
1604 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2)
1605 return SEC_E_INVALID_TOKEN
;
1607 if((token_idx
= ntlm_GetTokenBufferIndex(pMessage
)) == -1)
1608 return SEC_E_INVALID_TOKEN
;
1610 if(pMessage
->pBuffers
[token_idx
].cbBuffer
< 16)
1611 return SEC_E_BUFFER_TOO_SMALL
;
1613 helper
= (PNegoHelper
) phContext
->dwLower
;
1615 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
&& helper
->neg_flags
& NTLMSSP_NEGOTIATE_SEAL
)
1617 SECUR32_arc4Process(helper
->crypt
.ntlm2
.recv_a4i
,
1618 pMessage
->pBuffers
[1].pvBuffer
, pMessage
->pBuffers
[1].cbBuffer
);
1622 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
,
1623 pMessage
->pBuffers
[1].pvBuffer
, pMessage
->pBuffers
[1].cbBuffer
);
1626 /* Make sure we use a session key for the signature check, EncryptMessage
1627 * always does that, even in the dummy case */
1628 ntlmssp_flags_save
= helper
->neg_flags
;
1630 helper
->neg_flags
|= NTLMSSP_NEGOTIATE_SIGN
;
1631 ret
= ntlm_VerifySignature(phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1633 helper
->neg_flags
= ntlmssp_flags_save
;
1638 static const SecurityFunctionTableA ntlmTableA
= {
1640 NULL
, /* EnumerateSecurityPackagesA */
1641 ntlm_QueryCredentialsAttributesA
, /* QueryCredentialsAttributesA */
1642 ntlm_AcquireCredentialsHandleA
, /* AcquireCredentialsHandleA */
1643 ntlm_FreeCredentialsHandle
, /* FreeCredentialsHandle */
1644 NULL
, /* Reserved2 */
1645 ntlm_InitializeSecurityContextA
, /* InitializeSecurityContextA */
1646 ntlm_AcceptSecurityContext
, /* AcceptSecurityContext */
1647 ntlm_CompleteAuthToken
, /* CompleteAuthToken */
1648 ntlm_DeleteSecurityContext
, /* DeleteSecurityContext */
1649 NULL
, /* ApplyControlToken */
1650 ntlm_QueryContextAttributesA
, /* QueryContextAttributesA */
1651 ntlm_ImpersonateSecurityContext
, /* ImpersonateSecurityContext */
1652 ntlm_RevertSecurityContext
, /* RevertSecurityContext */
1653 ntlm_MakeSignature
, /* MakeSignature */
1654 ntlm_VerifySignature
, /* VerifySignature */
1655 FreeContextBuffer
, /* FreeContextBuffer */
1656 NULL
, /* QuerySecurityPackageInfoA */
1657 NULL
, /* Reserved3 */
1658 NULL
, /* Reserved4 */
1659 NULL
, /* ExportSecurityContext */
1660 NULL
, /* ImportSecurityContextA */
1661 NULL
, /* AddCredentialsA */
1662 NULL
, /* Reserved8 */
1663 NULL
, /* QuerySecurityContextToken */
1664 ntlm_EncryptMessage
, /* EncryptMessage */
1665 ntlm_DecryptMessage
, /* DecryptMessage */
1666 NULL
, /* SetContextAttributesA */
1669 static const SecurityFunctionTableW ntlmTableW
= {
1671 NULL
, /* EnumerateSecurityPackagesW */
1672 ntlm_QueryCredentialsAttributesW
, /* QueryCredentialsAttributesW */
1673 ntlm_AcquireCredentialsHandleW
, /* AcquireCredentialsHandleW */
1674 ntlm_FreeCredentialsHandle
, /* FreeCredentialsHandle */
1675 NULL
, /* Reserved2 */
1676 ntlm_InitializeSecurityContextW
, /* InitializeSecurityContextW */
1677 ntlm_AcceptSecurityContext
, /* AcceptSecurityContext */
1678 ntlm_CompleteAuthToken
, /* CompleteAuthToken */
1679 ntlm_DeleteSecurityContext
, /* DeleteSecurityContext */
1680 NULL
, /* ApplyControlToken */
1681 ntlm_QueryContextAttributesW
, /* QueryContextAttributesW */
1682 ntlm_ImpersonateSecurityContext
, /* ImpersonateSecurityContext */
1683 ntlm_RevertSecurityContext
, /* RevertSecurityContext */
1684 ntlm_MakeSignature
, /* MakeSignature */
1685 ntlm_VerifySignature
, /* VerifySignature */
1686 FreeContextBuffer
, /* FreeContextBuffer */
1687 NULL
, /* QuerySecurityPackageInfoW */
1688 NULL
, /* Reserved3 */
1689 NULL
, /* Reserved4 */
1690 NULL
, /* ExportSecurityContext */
1691 NULL
, /* ImportSecurityContextW */
1692 NULL
, /* AddCredentialsW */
1693 NULL
, /* Reserved8 */
1694 NULL
, /* QuerySecurityContextToken */
1695 ntlm_EncryptMessage
, /* EncryptMessage */
1696 ntlm_DecryptMessage
, /* DecryptMessage */
1697 NULL
, /* SetContextAttributesW */
1700 #define NTLM_COMMENT \
1701 { 'N', 'T', 'L', 'M', ' ', \
1702 'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1703 'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1705 static CHAR ntlm_comment_A
[] = NTLM_COMMENT
;
1706 static WCHAR ntlm_comment_W
[] = NTLM_COMMENT
;
1708 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1710 static char ntlm_name_A
[] = NTLM_NAME
;
1711 static WCHAR ntlm_name_W
[] = NTLM_NAME
;
1713 /* According to Windows, NTLM has the following capabilities. */
1715 SECPKG_FLAG_INTEGRITY | \
1716 SECPKG_FLAG_PRIVACY | \
1717 SECPKG_FLAG_TOKEN_ONLY | \
1718 SECPKG_FLAG_CONNECTION | \
1719 SECPKG_FLAG_MULTI_REQUIRED | \
1720 SECPKG_FLAG_IMPERSONATION | \
1721 SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1722 SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1724 static const SecPkgInfoW infoW
= {
1733 static const SecPkgInfoA infoA
= {
1742 void SECUR32_initNTLMSP(void)
1744 SECURITY_STATUS ret
;
1746 static CHAR version
[] = "--version";
1748 SEC_CHAR
*args
[] = {
1753 if((ret
= fork_helper(&helper
, ntlm_auth
, args
)) != SEC_E_OK
)
1755 /* Cheat and allocate a helper anyway, so cleanup later will work. */
1756 helper
= HeapAlloc(GetProcessHeap(),0, sizeof(PNegoHelper
));
1757 helper
->major
= helper
->minor
= helper
->micro
= -1;
1760 check_version(helper
);
1762 if( (helper
->major
> MIN_NTLM_AUTH_MAJOR_VERSION
) ||
1763 (helper
->major
= MIN_NTLM_AUTH_MAJOR_VERSION
&&
1764 helper
->minor
>= MIN_NTLM_AUTH_MINOR_VERSION
&&
1765 helper
->micro
>= MIN_NTLM_AUTH_MICRO_VERSION
) )
1767 SecureProvider
*provider
= SECUR32_addProvider(&ntlmTableA
, &ntlmTableW
, NULL
);
1768 SECUR32_addPackages(provider
, 1L, &infoA
, &infoW
);
1772 ERR("%s was not found or is outdated. "
1773 "Make sure that ntlm_auth >= %d.%d.%d is in your path.\n",
1775 MIN_NTLM_AUTH_MAJOR_VERSION
,
1776 MIN_NTLM_AUTH_MINOR_VERSION
,
1777 MIN_NTLM_AUTH_MICRO_VERSION
);
1779 cleanup_helper(helper
);