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"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(secur32
);
35 #define NTLM_MAX_BUF 1904
38 /***********************************************************************
39 * QueryCredentialsAttributesA
41 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryCredentialsAttributesA(
42 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
46 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
48 if(ulAttribute
== SECPKG_ATTR_NAMES
)
50 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
51 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
54 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
59 /***********************************************************************
60 * QueryCredentialsAttributesW
62 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryCredentialsAttributesW(
63 PCredHandle phCredential
, ULONG ulAttribute
, PVOID pBuffer
)
67 TRACE("(%p, %d, %p)\n", phCredential
, ulAttribute
, pBuffer
);
69 if(ulAttribute
== SECPKG_ATTR_NAMES
)
71 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
72 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
75 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
80 /***********************************************************************
81 * AcquireCredentialsHandleW
83 static SECURITY_STATUS SEC_ENTRY
ntlm_AcquireCredentialsHandleW(
84 SEC_WCHAR
*pszPrincipal
, SEC_WCHAR
*pszPackage
, ULONG fCredentialUse
,
85 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
86 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
89 PNegoHelper helper
= NULL
;
90 static CHAR ntlm_auth
[] = "ntlm_auth",
91 server_helper_protocol
[] = "--helper-protocol=squid-2.5-ntlmssp",
92 credentials_argv
[] = "--use-cached-creds";
94 SEC_CHAR
*client_user_arg
= NULL
;
95 SEC_CHAR
*client_domain_arg
= NULL
;
96 SEC_WCHAR
*username
= NULL
, *domain
= NULL
;
98 SEC_CHAR
*client_argv
[6];
99 SEC_CHAR
*server_argv
[] = { ntlm_auth
,
100 server_helper_protocol
,
103 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
104 debugstr_w(pszPrincipal
), debugstr_w(pszPackage
), fCredentialUse
,
105 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
108 switch(fCredentialUse
)
110 case SECPKG_CRED_INBOUND
:
111 if( (ret
= fork_helper(&helper
, "ntlm_auth", server_argv
)) !=
119 helper
->mode
= NTLM_SERVER
;
120 phCredential
->dwUpper
= fCredentialUse
;
121 phCredential
->dwLower
= (ULONG_PTR
)helper
;
125 case SECPKG_CRED_OUTBOUND
:
127 static const char username_arg
[] = "--username=";
128 static const char domain_arg
[] = "--domain=";
129 static char ntlm_auth
[] = "ntlm_auth";
130 static char helper_protocol
[] = "--helper-protocol=ntlmssp-client-1";
133 if(pAuthData
== NULL
)
135 LPWKSTA_USER_INFO_1 ui
= NULL
;
136 NET_API_STATUS status
;
138 status
= NetWkstaUserGetInfo(NULL
, 1, (LPBYTE
*)&ui
);
139 if (status
!= NERR_Success
|| ui
== NULL
)
141 ret
= SEC_E_NO_CREDENTIALS
;
146 username
= HeapAlloc(GetProcessHeap(), 0,
147 (lstrlenW(ui
->wkui1_username
)+1) *
149 lstrcpyW(username
, ui
->wkui1_username
);
151 /* same for the domain */
152 domain
= HeapAlloc(GetProcessHeap(), 0,
153 (lstrlenW(ui
->wkui1_logon_domain
)+1) *
155 lstrcpyW(domain
, ui
->wkui1_logon_domain
);
156 NetApiBufferFree(ui
);
160 PSEC_WINNT_AUTH_IDENTITY_W auth_data
=
161 (PSEC_WINNT_AUTH_IDENTITY_W
)pAuthData
;
163 if (!auth_data
->UserLength
|| !auth_data
->DomainLength
)
165 ret
= SEC_E_NO_CREDENTIALS
;
169 /* Get username and domain from pAuthData */
170 username
= HeapAlloc(GetProcessHeap(), 0,
171 (auth_data
->UserLength
+ 1) * sizeof(SEC_WCHAR
));
172 lstrcpyW(username
, auth_data
->User
);
174 domain
= HeapAlloc(GetProcessHeap(), 0,
175 (auth_data
->DomainLength
+ 1) * sizeof(SEC_WCHAR
));
176 lstrcpyW(domain
, auth_data
->Domain
);
178 TRACE("Username is %s\n", debugstr_w(username
));
179 unixcp_size
= WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
180 username
, -1, NULL
, 0, NULL
, NULL
) + sizeof(username_arg
);
181 client_user_arg
= HeapAlloc(GetProcessHeap(), 0, unixcp_size
);
182 lstrcpyA(client_user_arg
, username_arg
);
183 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
, username
, -1,
184 client_user_arg
+ sizeof(username_arg
) - 1,
185 unixcp_size
- sizeof(username_arg
) + 1, NULL
, NULL
);
187 TRACE("Domain name is %s\n", debugstr_w(domain
));
188 unixcp_size
= WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
189 domain
, -1, NULL
, 0, NULL
, NULL
) + sizeof(domain_arg
);
190 client_domain_arg
= HeapAlloc(GetProcessHeap(), 0, unixcp_size
);
191 lstrcpyA(client_domain_arg
, domain_arg
);
192 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
, domain
,
193 -1, client_domain_arg
+ sizeof(domain_arg
) - 1,
194 unixcp_size
- sizeof(domain
) + 1, NULL
, NULL
);
196 client_argv
[0] = ntlm_auth
;
197 client_argv
[1] = helper_protocol
;
198 client_argv
[2] = client_user_arg
;
199 client_argv
[3] = client_domain_arg
;
200 client_argv
[4] = credentials_argv
;
201 client_argv
[5] = NULL
;
203 if((ret
= fork_helper(&helper
, "ntlm_auth", client_argv
)) !=
211 helper
->mode
= NTLM_CLIENT
;
213 if(pAuthData
!= NULL
)
215 PSEC_WINNT_AUTH_IDENTITY_W auth_data
=
216 (PSEC_WINNT_AUTH_IDENTITY_W
)pAuthData
;
218 if(auth_data
->PasswordLength
!= 0)
220 helper
->pwlen
= WideCharToMultiByte(CP_UNIXCP
,
221 WC_NO_BEST_FIT_CHARS
, auth_data
->Password
,
222 auth_data
->PasswordLength
+1, NULL
, 0, NULL
, NULL
);
224 helper
->password
= HeapAlloc(GetProcessHeap(), 0,
227 WideCharToMultiByte(CP_UNIXCP
, WC_NO_BEST_FIT_CHARS
,
228 auth_data
->Password
, auth_data
->PasswordLength
+1,
229 helper
->password
, helper
->pwlen
, NULL
, NULL
);
233 phCredential
->dwUpper
= fCredentialUse
;
234 phCredential
->dwLower
= (ULONG_PTR
)helper
;
235 TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
236 phCredential
->dwUpper
, phCredential
->dwLower
);
241 case SECPKG_CRED_BOTH
:
242 FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
243 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
248 ret
= SEC_E_UNKNOWN_CREDENTIALS
;
252 HeapFree(GetProcessHeap(), 0, client_user_arg
);
253 HeapFree(GetProcessHeap(), 0, client_domain_arg
);
254 HeapFree(GetProcessHeap(), 0, username
);
255 HeapFree(GetProcessHeap(), 0, domain
);
260 /***********************************************************************
261 * AcquireCredentialsHandleA
263 static SECURITY_STATUS SEC_ENTRY
ntlm_AcquireCredentialsHandleA(
264 SEC_CHAR
*pszPrincipal
, SEC_CHAR
*pszPackage
, ULONG fCredentialUse
,
265 PLUID pLogonID
, PVOID pAuthData
, SEC_GET_KEY_FN pGetKeyFn
,
266 PVOID pGetKeyArgument
, PCredHandle phCredential
, PTimeStamp ptsExpiry
)
269 int user_sizeW
, domain_sizeW
, passwd_sizeW
;
271 SEC_WCHAR
*user
= NULL
, *domain
= NULL
, *passwd
= NULL
, *package
= NULL
;
273 PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW
= NULL
;
274 PSEC_WINNT_AUTH_IDENTITY_A identity
= NULL
;
276 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
277 debugstr_a(pszPrincipal
), debugstr_a(pszPackage
), fCredentialUse
,
278 pLogonID
, pAuthData
, pGetKeyFn
, pGetKeyArgument
, phCredential
, ptsExpiry
);
280 if(pszPackage
!= NULL
)
282 int package_sizeW
= MultiByteToWideChar(CP_ACP
, 0, pszPackage
, -1,
285 package
= HeapAlloc(GetProcessHeap(), 0, package_sizeW
*
287 MultiByteToWideChar(CP_ACP
, 0, pszPackage
, -1, package
, package_sizeW
);
291 if(pAuthData
!= NULL
)
293 identity
= (PSEC_WINNT_AUTH_IDENTITY_A
)pAuthData
;
295 if(identity
->Flags
== SEC_WINNT_AUTH_IDENTITY_ANSI
)
297 pAuthDataW
= HeapAlloc(GetProcessHeap(), 0,
298 sizeof(SEC_WINNT_AUTH_IDENTITY_W
));
300 if(identity
->UserLength
!= 0)
302 user_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
303 (LPCSTR
)identity
->User
, identity
->UserLength
+1, NULL
, 0);
304 user
= HeapAlloc(GetProcessHeap(), 0, user_sizeW
*
306 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->User
,
307 identity
->UserLength
+1, user
, user_sizeW
);
314 if(identity
->DomainLength
!= 0)
316 domain_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
317 (LPCSTR
)identity
->Domain
, identity
->DomainLength
+1, NULL
, 0);
318 domain
= HeapAlloc(GetProcessHeap(), 0, domain_sizeW
319 * sizeof(SEC_WCHAR
));
320 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->Domain
,
321 identity
->DomainLength
+1, domain
, domain_sizeW
);
328 if(identity
->PasswordLength
!= 0)
330 passwd_sizeW
= MultiByteToWideChar(CP_ACP
, 0,
331 (LPCSTR
)identity
->Password
, identity
->PasswordLength
+1,
333 passwd
= HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
334 * sizeof(SEC_WCHAR
));
335 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)identity
->Password
,
336 identity
->PasswordLength
+1, passwd
, passwd_sizeW
);
343 pAuthDataW
->Flags
= SEC_WINNT_AUTH_IDENTITY_UNICODE
;
344 pAuthDataW
->User
= user
;
345 pAuthDataW
->UserLength
= user_sizeW
;
346 pAuthDataW
->Domain
= domain
;
347 pAuthDataW
->DomainLength
= domain_sizeW
;
348 pAuthDataW
->Password
= passwd
;
349 pAuthDataW
->PasswordLength
= passwd_sizeW
;
353 pAuthDataW
= (PSEC_WINNT_AUTH_IDENTITY_W
)identity
;
357 ret
= ntlm_AcquireCredentialsHandleW(NULL
, package
, fCredentialUse
,
358 pLogonID
, pAuthDataW
, pGetKeyFn
, pGetKeyArgument
, phCredential
,
361 HeapFree(GetProcessHeap(), 0, package
);
362 HeapFree(GetProcessHeap(), 0, user
);
363 HeapFree(GetProcessHeap(), 0, domain
);
364 HeapFree(GetProcessHeap(), 0, passwd
);
365 if(pAuthDataW
!= (PSEC_WINNT_AUTH_IDENTITY_W
)identity
)
366 HeapFree(GetProcessHeap(), 0, pAuthDataW
);
371 /***********************************************************************
372 * InitializeSecurityContextW
374 static SECURITY_STATUS SEC_ENTRY
ntlm_InitializeSecurityContextW(
375 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_WCHAR
*pszTargetName
,
376 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
377 PSecBufferDesc pInput
, ULONG Reserved2
, PCtxtHandle phNewContext
,
378 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
383 char* buffer
, *want_flags
= NULL
;
385 int buffer_len
, bin_len
, max_len
= NTLM_MAX_BUF
;
387 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
388 debugstr_w(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
389 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
392 return SEC_E_INVALID_HANDLE
;
394 /* As the server side of sspi never calls this, make sure that
395 * the handler is a client handler.
397 helper
= (PNegoHelper
)phCredential
->dwLower
;
398 if(helper
->mode
!= NTLM_CLIENT
)
400 TRACE("Helper mode = %d\n", helper
->mode
);
401 return SEC_E_INVALID_HANDLE
;
404 /****************************************
405 * When communicating with the client, there can be the
406 * following reply packets:
407 * YR <base64 blob> should be sent to the server
408 * PW should be sent back to helper with
409 * base64 encoded password
410 * AF <base64 blob> client is done, blob should be
411 * sent to server with KK prefixed
412 * GF <string list> A string list of negotiated flags
413 * GK <base64 blob> base64 encoded session key
414 * BH <char reason> something broke
416 /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
420 TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
423 if(TargetDataRep
== SECURITY_NETWORK_DREP
){
424 TRACE("Setting SECURITY_NETWORK_DREP\n");
427 buffer
= HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF
);
428 bin
= HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE
) * NTLM_MAX_BUF
);
430 if((phContext
== NULL
) && (pInput
== NULL
))
432 TRACE("First time in ISC()\n");
433 /* Allocate space for a maximal string of
434 * "SF NTLMSSP_FEATURE_SIGN NTLMSSP_FEATURE_SEAL
435 * NTLMSSP_FEATURE_SESSION_KEY"
437 want_flags
= HeapAlloc(GetProcessHeap(), 0, 73);
438 if(want_flags
== NULL
)
440 ret
= SEC_E_INSUFFICIENT_MEMORY
;
443 lstrcpyA(want_flags
, "SF");
444 if(fContextReq
& ISC_REQ_CONFIDENTIALITY
)
445 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SEAL");
446 if(fContextReq
& ISC_REQ_CONNECTION
)
448 /* This is default, so we'll enable it */
449 ctxt_attr
|= ISC_RET_CONNECTION
;
450 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SESSION_KEY");
452 if(fContextReq
& ISC_REQ_EXTENDED_ERROR
)
453 FIXME("ISC_REQ_EXTENDED_ERROR\n");
454 if(fContextReq
& ISC_REQ_INTEGRITY
)
455 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
456 if(fContextReq
& ISC_REQ_MUTUAL_AUTH
)
457 FIXME("ISC_REQ_MUTUAL_AUTH\n");
458 if(fContextReq
& ISC_REQ_REPLAY_DETECT
)
459 FIXME("ISC_REQ_REPLAY_DETECT\n");
460 if(fContextReq
& ISC_REQ_SEQUENCE_DETECT
)
461 FIXME("ISC_REQ_SEQUENCE_DETECT\n");
462 if(fContextReq
& ISC_REQ_STREAM
)
463 FIXME("ISC_REQ_STREAM\n");
465 /* If no password is given, try to use cached credentials. Fall back to an empty
466 * password if this failed. */
467 if(helper
->password
== NULL
)
469 lstrcpynA(buffer
, "OK", max_len
-1);
470 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
472 /* If the helper replied with "PW", using cached credentials failed */
473 if(!strncmp(buffer
, "PW", 2))
475 TRACE("Using cached credentials failed. Using empty password.\n");
476 lstrcpynA(buffer
, "PW AA==", max_len
-1);
478 else /* Just do a noop on the next run */
479 lstrcpynA(buffer
, "OK", max_len
-1);
483 lstrcpynA(buffer
, "PW ", max_len
-1);
484 if((ret
= encodeBase64((unsigned char*)helper
->password
,
485 helper
->pwlen
-2, buffer
+3,
486 max_len
-3, &buffer_len
)) != SEC_E_OK
)
488 TRACE("Deleting password!\n");
489 memset(helper
->password
, 0, helper
->pwlen
-2);
490 HeapFree(GetProcessHeap(), 0, helper
->password
);
496 TRACE("Sending to helper: %s\n", debugstr_a(buffer
));
497 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
500 TRACE("Helper returned %s\n", debugstr_a(buffer
));
502 if(lstrlenA(want_flags
) > 2)
504 TRACE("Want flags are '%s'\n", debugstr_a(want_flags
));
505 lstrcpynA(buffer
, want_flags
, max_len
-1);
506 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
))
509 if(!strncmp(buffer
, "BH", 2))
510 TRACE("Helper doesn't understand new command set\n");
513 lstrcpynA(buffer
, "YR", max_len
-1);
515 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
518 TRACE("%s\n", buffer
);
520 if(strncmp(buffer
, "YR ", 3) != 0)
522 /* Something borked */
523 TRACE("Helper returned %c%c\n", buffer
[0], buffer
[1]);
524 ret
= SEC_E_INTERNAL_ERROR
;
527 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
,
528 max_len
-1, &bin_len
)) != SEC_E_OK
)
531 /* Mask away the NTLMv2 flag, as well as the key exchange flag */
535 /* put the decoded client blob into the out buffer */
537 ret
= SEC_I_CONTINUE_NEEDED
;
541 /* handle second call here */
542 /* encode server data to base64 */
543 if (!pInput
|| !pInput
->cBuffers
)
545 ret
= SEC_E_INCOMPLETE_MESSAGE
;
549 if (!pInput
->pBuffers
[0].pvBuffer
)
551 ret
= SEC_E_INTERNAL_ERROR
;
555 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
557 TRACE("pInput->pBuffers[0].cbBuffer is: %ld\n",
558 pInput
->pBuffers
[0].cbBuffer
);
559 ret
= SEC_E_INVALID_TOKEN
;
563 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
565 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
567 lstrcpynA(buffer
, "TT ", max_len
-1);
569 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3,
570 max_len
-3, &buffer_len
)) != SEC_E_OK
)
573 TRACE("Server sent: %s\n", debugstr_a(buffer
));
575 /* send TT base64 blob to ntlm_auth */
576 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
579 TRACE("Helper replied: %s\n", debugstr_a(buffer
));
581 if( (strncmp(buffer
, "KK ", 3) != 0) &&
582 (strncmp(buffer
, "AF ", 3) !=0))
584 TRACE("Helper returned %c%c\n", buffer
[0], buffer
[1]);
585 ret
= SEC_E_INVALID_TOKEN
;
589 /* decode the blob and send it to server */
590 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
591 &bin_len
)) != SEC_E_OK
)
596 phNewContext
->dwUpper
= ctxt_attr
;
597 phNewContext
->dwLower
= (ULONG_PTR
)helper
;
602 /* put the decoded client blob into the out buffer */
604 if (fContextReq
& ISC_REQ_ALLOCATE_MEMORY
)
608 pOutput
->cBuffers
= 1;
609 pOutput
->pBuffers
[0].pvBuffer
= SECUR32_ALLOC(bin_len
);
610 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
614 if (!pOutput
|| !pOutput
->cBuffers
|| pOutput
->pBuffers
[0].cbBuffer
< bin_len
)
616 TRACE("out buffer is NULL or has not enough space\n");
617 ret
= SEC_E_BUFFER_TOO_SMALL
;
621 if (!pOutput
->pBuffers
[0].pvBuffer
)
623 TRACE("out buffer is NULL\n");
624 ret
= SEC_E_INTERNAL_ERROR
;
628 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
629 pOutput
->pBuffers
[0].BufferType
= SECBUFFER_DATA
;
630 memcpy(pOutput
->pBuffers
[0].pvBuffer
, bin
, bin_len
);
634 TRACE("Getting negotiated flags\n");
635 lstrcpynA(buffer
, "GF", max_len
- 1);
636 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
641 TRACE("No flags negotiated, or helper does not support GF command\n");
642 helper
->neg_flags
= 0l;
646 TRACE("Negotiated %s\n", debugstr_a(buffer
));
647 sscanf(buffer
+ 3, "%lx", &(helper
->neg_flags
));
648 TRACE("Stored 0x%08lx as flags\n", helper
->neg_flags
);
651 TRACE("Getting session key\n");
652 lstrcpynA(buffer
, "GK", max_len
- 1);
653 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
656 if(strncmp(buffer
, "BH", 2) == 0)
658 TRACE("Helper does not understand command or no key negotiated.\n");
659 helper
->valid_session_key
= FALSE
;
660 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
661 /*Generate the dummy session key = MD4(MD4(password))*/
664 SEC_WCHAR
*unicode_password
;
667 TRACE("Converting password to unicode.\n");
668 passwd_lenW
= MultiByteToWideChar(CP_ACP
, 0,
669 (LPCSTR
)helper
->password
, helper
->pwlen
,
671 unicode_password
= HeapAlloc(GetProcessHeap(), 0,
672 passwd_lenW
* sizeof(SEC_WCHAR
));
673 MultiByteToWideChar(CP_ACP
, 0, (LPCSTR
)helper
->password
,
674 helper
->pwlen
, unicode_password
, passwd_lenW
);
676 SECUR32_CreateNTLMv1SessionKey((PBYTE
)unicode_password
,
677 lstrlenW(unicode_password
) * sizeof(SEC_WCHAR
), helper
->session_key
);
679 HeapFree(GetProcessHeap(), 0, unicode_password
);
682 memset(helper
->session_key
, 0, 16);
684 else if(strncmp(buffer
, "GK ", 3) == 0)
686 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
687 &bin_len
)) != SEC_E_OK
)
689 TRACE("Failed to decode session key\n");
691 TRACE("Session key is %s\n", debugstr_a(buffer
+3));
692 helper
->valid_session_key
= TRUE
;
693 if(!helper
->session_key
)
694 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, bin_len
);
695 if(!helper
->session_key
)
697 TRACE("Failed to allocate memory for session key\n");
698 ret
= SEC_E_INTERNAL_ERROR
;
701 memcpy(helper
->session_key
, bin
, bin_len
);
704 helper
->crypt
.ntlm
.a4i
= SECUR32_arc4Alloc();
705 SECUR32_arc4Init(helper
->crypt
.ntlm
.a4i
, helper
->session_key
, 16);
706 helper
->crypt
.ntlm
.seq_num
= 0l;
709 if(ret
!= SEC_I_CONTINUE_NEEDED
)
711 TRACE("Deleting password!\n");
713 memset(helper
->password
, 0, helper
->pwlen
-2);
714 HeapFree(GetProcessHeap(), 0, helper
->password
);
717 HeapFree(GetProcessHeap(), 0, want_flags
);
718 HeapFree(GetProcessHeap(), 0, buffer
);
719 HeapFree(GetProcessHeap(), 0, bin
);
723 /***********************************************************************
724 * InitializeSecurityContextA
726 static SECURITY_STATUS SEC_ENTRY
ntlm_InitializeSecurityContextA(
727 PCredHandle phCredential
, PCtxtHandle phContext
, SEC_CHAR
*pszTargetName
,
728 ULONG fContextReq
, ULONG Reserved1
, ULONG TargetDataRep
,
729 PSecBufferDesc pInput
,ULONG Reserved2
, PCtxtHandle phNewContext
,
730 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
734 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential
, phContext
,
735 debugstr_a(pszTargetName
), fContextReq
, Reserved1
, TargetDataRep
, pInput
,
736 Reserved1
, phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
740 SEC_WCHAR
*target
= NULL
;
741 if(pszTargetName
!= NULL
)
743 int target_size
= MultiByteToWideChar(CP_ACP
, 0, pszTargetName
,
744 strlen(pszTargetName
)+1, NULL
, 0);
745 target
= HeapAlloc(GetProcessHeap(), 0, target_size
*
747 MultiByteToWideChar(CP_ACP
, 0, pszTargetName
, strlen(pszTargetName
)+1,
748 target
, target_size
);
751 ret
= ntlm_InitializeSecurityContextW(phCredential
, phContext
, target
,
752 fContextReq
, Reserved1
, TargetDataRep
, pInput
, Reserved2
,
753 phNewContext
, pOutput
, pfContextAttr
, ptsExpiry
);
755 HeapFree(GetProcessHeap(), 0, target
);
759 ret
= SEC_E_INVALID_HANDLE
;
764 /***********************************************************************
765 * AcceptSecurityContext
767 static SECURITY_STATUS SEC_ENTRY
ntlm_AcceptSecurityContext(
768 PCredHandle phCredential
, PCtxtHandle phContext
, PSecBufferDesc pInput
,
769 ULONG fContextReq
, ULONG TargetDataRep
, PCtxtHandle phNewContext
,
770 PSecBufferDesc pOutput
, ULONG
*pfContextAttr
, PTimeStamp ptsExpiry
)
773 char *buffer
, *want_flags
= NULL
;
775 int buffer_len
, bin_len
, max_len
= NTLM_MAX_BUF
;
779 TRACE("%p %p %p %d %d %p %p %p %p\n", phCredential
, phContext
, pInput
,
780 fContextReq
, TargetDataRep
, phNewContext
, pOutput
, pfContextAttr
,
784 return SEC_E_INVALID_HANDLE
;
786 helper
= (PNegoHelper
)phCredential
->dwLower
;
788 buffer
= HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF
);
789 bin
= HeapAlloc(GetProcessHeap(),0, sizeof(BYTE
) * NTLM_MAX_BUF
);
791 if(helper
->mode
!= NTLM_SERVER
)
793 ret
= SEC_E_INVALID_HANDLE
;
797 if(TargetDataRep
== SECURITY_NETWORK_DREP
){
798 TRACE("Using SECURITY_NETWORK_DREP\n");
801 if(phContext
== NULL
)
803 /* This is the first call to AcceptSecurityHandle */
806 ret
= SEC_E_INCOMPLETE_MESSAGE
;
810 if(pInput
->cBuffers
< 1)
812 ret
= SEC_E_INCOMPLETE_MESSAGE
;
816 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
818 ret
= SEC_E_INVALID_TOKEN
;
822 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
824 /* Handle all the flags */
825 want_flags
= HeapAlloc(GetProcessHeap(), 0, 73);
826 if(want_flags
== NULL
)
828 TRACE("Failed to allocate memory for the want_flags!\n");
829 ret
= SEC_E_INSUFFICIENT_MEMORY
;
832 lstrcpyA(want_flags
, "SF");
833 if(fContextReq
& ASC_REQ_ALLOCATE_MEMORY
)
835 FIXME("ASC_REQ_ALLOCATE_MEMORY stub\n");
837 if(fContextReq
& ASC_REQ_CONFIDENTIALITY
)
839 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SEAL");
841 if(fContextReq
& ASC_REQ_CONNECTION
)
843 /* This is default, so we'll enable it */
844 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SESSION_KEY");
845 ctxt_attr
|= ASC_RET_CONNECTION
;
847 if(fContextReq
& ASC_REQ_EXTENDED_ERROR
)
849 FIXME("ASC_REQ_EXTENDED_ERROR stub\n");
851 if(fContextReq
& ASC_REQ_INTEGRITY
)
853 lstrcatA(want_flags
, " NTLMSSP_FEATURE_SIGN");
855 if(fContextReq
& ASC_REQ_MUTUAL_AUTH
)
857 FIXME("ASC_REQ_MUTUAL_AUTH stub\n");
859 if(fContextReq
& ASC_REQ_REPLAY_DETECT
)
861 FIXME("ASC_REQ_REPLAY_DETECT stub\n");
863 if(fContextReq
& ISC_REQ_SEQUENCE_DETECT
)
865 FIXME("ASC_REQ_SEQUENCE_DETECT stub\n");
867 if(fContextReq
& ISC_REQ_STREAM
)
869 FIXME("ASC_REQ_STREAM stub\n");
871 /* Done with the flags */
873 if(lstrlenA(want_flags
) > 3)
875 TRACE("Server set want_flags: %s\n", debugstr_a(want_flags
));
876 lstrcpynA(buffer
, want_flags
, max_len
- 1);
877 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
880 if(!strncmp(buffer
, "BH", 2))
881 TRACE("Helper doesn't understand new command set\n");
884 /* This is the YR request from the client, encode to base64 */
886 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
888 lstrcpynA(buffer
, "YR ", max_len
-1);
890 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3, max_len
-3,
891 &buffer_len
)) != SEC_E_OK
)
896 TRACE("Client sent: %s\n", debugstr_a(buffer
));
898 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
904 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer
));
905 /* The expected answer is TT <base64 blob> */
907 if(strncmp(buffer
, "TT ", 3) != 0)
909 ret
= SEC_E_INTERNAL_ERROR
;
913 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
914 &bin_len
)) != SEC_E_OK
)
919 /* send this to the client */
922 ret
= SEC_E_INSUFFICIENT_MEMORY
;
926 if(pOutput
->cBuffers
< 1)
928 ret
= SEC_E_INSUFFICIENT_MEMORY
;
932 pOutput
->pBuffers
[0].cbBuffer
= bin_len
;
933 pOutput
->pBuffers
[0].BufferType
= SECBUFFER_DATA
;
934 memcpy(pOutput
->pBuffers
[0].pvBuffer
, bin
, bin_len
);
935 ret
= SEC_I_CONTINUE_NEEDED
;
940 /* we expect a KK request from client */
943 ret
= SEC_E_INCOMPLETE_MESSAGE
;
947 if(pInput
->cBuffers
< 1)
949 ret
= SEC_E_INCOMPLETE_MESSAGE
;
953 if(pInput
->pBuffers
[0].cbBuffer
> max_len
)
955 ret
= SEC_E_INVALID_TOKEN
;
959 bin_len
= pInput
->pBuffers
[0].cbBuffer
;
961 memcpy(bin
, pInput
->pBuffers
[0].pvBuffer
, bin_len
);
963 lstrcpynA(buffer
, "KK ", max_len
-1);
965 if((ret
= encodeBase64(bin
, bin_len
, buffer
+3, max_len
-3,
966 &buffer_len
)) != SEC_E_OK
)
971 TRACE("Client sent: %s\n", debugstr_a(buffer
));
973 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) !=
979 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer
));
981 if(strncmp(buffer
, "AF ", 3) != 0)
983 if(strncmp(buffer
, "NA ", 3) == 0)
985 ret
= SEC_E_LOGON_DENIED
;
990 ret
= SEC_E_INTERNAL_ERROR
;
994 pOutput
->pBuffers
[0].cbBuffer
= 0;
997 TRACE("Getting negotiated flags\n");
998 lstrcpynA(buffer
, "GF", max_len
- 1);
999 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
1004 TRACE("No flags negotiated, or helper does not support GF command\n");
1008 TRACE("Negotiated %s\n", debugstr_a(buffer
));
1009 sscanf(buffer
+ 3, "%lx", &(helper
->neg_flags
));
1010 TRACE("Stored 0x%08lx as flags\n", helper
->neg_flags
);
1013 TRACE("Getting session key\n");
1014 lstrcpynA(buffer
, "GK", max_len
- 1);
1015 if((ret
= run_helper(helper
, buffer
, max_len
, &buffer_len
)) != SEC_E_OK
)
1019 TRACE("Helper does not support GK command\n");
1022 if(strncmp(buffer
, "BH ", 3) == 0)
1024 TRACE("Helper sent %s\n", debugstr_a(buffer
+3));
1025 helper
->valid_session_key
= FALSE
;
1026 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
1027 /*FIXME: Generate the dummy session key = MD4(MD4(password))*/
1028 memset(helper
->session_key
, 0 , 16);
1030 else if(strncmp(buffer
, "GK ", 3) == 0)
1032 if((ret
= decodeBase64(buffer
+3, buffer_len
-3, bin
, max_len
,
1033 &bin_len
)) != SEC_E_OK
)
1035 TRACE("Failed to decode session key\n");
1037 TRACE("Session key is %s\n", debugstr_a(buffer
+3));
1038 helper
->valid_session_key
= TRUE
;
1039 if(!helper
->session_key
)
1040 helper
->session_key
= HeapAlloc(GetProcessHeap(), 0, 16);
1041 if(!helper
->session_key
)
1043 TRACE("Failed to allocate memory for session key\n");
1044 ret
= SEC_E_INTERNAL_ERROR
;
1047 memcpy(helper
->session_key
, bin
, 16);
1050 helper
->crypt
.ntlm
.a4i
= SECUR32_arc4Alloc();
1051 SECUR32_arc4Init(helper
->crypt
.ntlm
.a4i
, helper
->session_key
, 16);
1052 helper
->crypt
.ntlm
.seq_num
= 0l;
1055 phNewContext
->dwUpper
= ctxt_attr
;
1056 phNewContext
->dwLower
= (ULONG_PTR
)helper
;
1059 HeapFree(GetProcessHeap(), 0, want_flags
);
1060 HeapFree(GetProcessHeap(), 0, buffer
);
1061 HeapFree(GetProcessHeap(), 0, bin
);
1065 /***********************************************************************
1068 static SECURITY_STATUS SEC_ENTRY
ntlm_CompleteAuthToken(PCtxtHandle phContext
,
1069 PSecBufferDesc pToken
)
1071 /* We never need to call CompleteAuthToken anyway */
1072 TRACE("%p %p\n", phContext
, pToken
);
1074 return SEC_E_INVALID_HANDLE
;
1079 /***********************************************************************
1080 * DeleteSecurityContext
1082 static SECURITY_STATUS SEC_ENTRY
ntlm_DeleteSecurityContext(PCtxtHandle phContext
)
1084 SECURITY_STATUS ret
;
1086 TRACE("%p\n", phContext
);
1089 phContext
->dwUpper
= 0;
1090 phContext
->dwLower
= 0;
1095 ret
= SEC_E_INVALID_HANDLE
;
1100 /***********************************************************************
1101 * QueryContextAttributesW
1103 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryContextAttributesW(PCtxtHandle phContext
,
1104 ULONG ulAttribute
, void *pBuffer
)
1106 TRACE("%p %d %p\n", phContext
, ulAttribute
, pBuffer
);
1108 return SEC_E_INVALID_HANDLE
;
1112 #define _x(x) case (x) : FIXME(#x" stub\n"); break
1113 _x(SECPKG_ATTR_ACCESS_TOKEN
);
1114 _x(SECPKG_ATTR_AUTHORITY
);
1115 _x(SECPKG_ATTR_DCE_INFO
);
1116 case SECPKG_ATTR_FLAGS
:
1118 PSecPkgContext_Flags spcf
= (PSecPkgContext_Flags
)pBuffer
;
1119 PNegoHelper helper
= (PNegoHelper
)phContext
->dwLower
;
1122 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1123 spcf
->Flags
|= ISC_RET_INTEGRITY
;
1124 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SEAL
)
1125 spcf
->Flags
|= ISC_RET_CONFIDENTIALITY
;
1128 _x(SECPKG_ATTR_KEY_INFO
);
1129 _x(SECPKG_ATTR_LIFESPAN
);
1130 _x(SECPKG_ATTR_NAMES
);
1131 _x(SECPKG_ATTR_NATIVE_NAMES
);
1132 _x(SECPKG_ATTR_NEGOTIATION_INFO
);
1133 _x(SECPKG_ATTR_PACKAGE_INFO
);
1134 _x(SECPKG_ATTR_PASSWORD_EXPIRY
);
1135 _x(SECPKG_ATTR_SESSION_KEY
);
1136 case SECPKG_ATTR_SIZES
:
1138 PSecPkgContext_Sizes spcs
= (PSecPkgContext_Sizes
)pBuffer
;
1139 spcs
->cbMaxToken
= NTLM_MAX_BUF
;
1140 spcs
->cbMaxSignature
= 16;
1141 spcs
->cbBlockSize
= 0;
1142 spcs
->cbSecurityTrailer
= 16;
1145 _x(SECPKG_ATTR_STREAM_SIZES
);
1146 _x(SECPKG_ATTR_TARGET_INFORMATION
);
1149 TRACE("Unknown value %d passed for ulAttribute\n", ulAttribute
);
1152 return SEC_E_UNSUPPORTED_FUNCTION
;
1155 /***********************************************************************
1156 * QueryContextAttributesA
1158 static SECURITY_STATUS SEC_ENTRY
ntlm_QueryContextAttributesA(PCtxtHandle phContext
,
1159 ULONG ulAttribute
, void *pBuffer
)
1161 return ntlm_QueryContextAttributesW(phContext
, ulAttribute
, pBuffer
);
1164 /***********************************************************************
1165 * ImpersonateSecurityContext
1167 static SECURITY_STATUS SEC_ENTRY
ntlm_ImpersonateSecurityContext(PCtxtHandle phContext
)
1169 SECURITY_STATUS ret
;
1171 TRACE("%p\n", phContext
);
1174 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
1178 ret
= SEC_E_INVALID_HANDLE
;
1183 /***********************************************************************
1184 * RevertSecurityContext
1186 static SECURITY_STATUS SEC_ENTRY
ntlm_RevertSecurityContext(PCtxtHandle phContext
)
1188 SECURITY_STATUS ret
;
1190 TRACE("%p\n", phContext
);
1193 ret
= SEC_E_UNSUPPORTED_FUNCTION
;
1197 ret
= SEC_E_INVALID_HANDLE
;
1202 /***********************************************************************
1205 static SECURITY_STATUS SEC_ENTRY
ntlm_MakeSignature(PCtxtHandle phContext
, ULONG fQOP
,
1206 PSecBufferDesc pMessage
, ULONG MessageSeqNo
)
1209 ULONG sign_version
= 1;
1211 TRACE("%p %d %p %d\n", phContext
, fQOP
, pMessage
, MessageSeqNo
);
1213 return SEC_E_INVALID_HANDLE
;
1216 FIXME("Ignoring fQOP 0x%08x\n", fQOP
);
1219 FIXME("Ignoring MessageSeqNo\n");
1221 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2 ||
1222 pMessage
->pBuffers
[0].BufferType
!= SECBUFFER_TOKEN
||
1223 !pMessage
->pBuffers
[0].pvBuffer
)
1224 return SEC_E_INVALID_TOKEN
;
1226 if(pMessage
->pBuffers
[0].cbBuffer
< 16)
1227 return SEC_E_BUFFER_TOO_SMALL
;
1229 helper
= (PNegoHelper
)phContext
->dwLower
;
1230 TRACE("Negotiated flags are: 0x%08lx\n", helper
->neg_flags
);
1231 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
)
1233 FIXME("Can't handle NTLMv2 signing yet. Aborting.\n");
1234 return SEC_E_UNSUPPORTED_FUNCTION
;
1236 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1238 PBYTE sig
= pMessage
->pBuffers
[0].pvBuffer
;
1239 ULONG crc
= ComputeCrc32(pMessage
->pBuffers
[1].pvBuffer
,
1240 pMessage
->pBuffers
[1].cbBuffer
);
1242 sig
[ 0] = (sign_version
>> 0) & 0xff;
1243 sig
[ 1] = (sign_version
>> 8) & 0xff;
1244 sig
[ 2] = (sign_version
>> 16) & 0xff;
1245 sig
[ 3] = (sign_version
>> 24) & 0xff;
1246 memset(sig
+4, 0, 4);
1247 sig
[ 8] = (crc
>> 0) & 0xff;
1248 sig
[ 9] = (crc
>> 8) & 0xff;
1249 sig
[10] = (crc
>> 16) & 0xff;
1250 sig
[11] = (crc
>> 24) & 0xff;
1251 sig
[12] = (helper
->crypt
.ntlm
.seq_num
>> 0) & 0xff;
1252 sig
[13] = (helper
->crypt
.ntlm
.seq_num
>> 8) & 0xff;
1253 sig
[14] = (helper
->crypt
.ntlm
.seq_num
>> 16) & 0xff;
1254 sig
[15] = (helper
->crypt
.ntlm
.seq_num
>> 24) & 0xff;
1256 ++(helper
->crypt
.ntlm
.seq_num
);
1258 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, sig
+4, 12);
1262 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_KEY_EXCHANGE
)
1264 FIXME("Can't handle encrypted session key yet. Aborting.\n");
1265 return SEC_E_UNSUPPORTED_FUNCTION
;
1268 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_ALWAYS_SIGN
|| helper
->neg_flags
== 0)
1270 TRACE("Generating dummy signature\n");
1271 /* A dummy signature is 0x01 followed by 15 bytes of 0x00 */
1272 memset(pMessage
->pBuffers
[0].pvBuffer
, 0, 16);
1273 memset(pMessage
->pBuffers
[0].pvBuffer
, 0x01, 1);
1274 pMessage
->pBuffers
[0].cbBuffer
= 16;
1278 return SEC_E_UNSUPPORTED_FUNCTION
;
1281 /***********************************************************************
1284 static SECURITY_STATUS SEC_ENTRY
ntlm_VerifySignature(PCtxtHandle phContext
,
1285 PSecBufferDesc pMessage
, ULONG MessageSeqNo
, PULONG pfQOP
)
1290 TRACE("%p %p %d %p\n", phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1292 return SEC_E_INVALID_HANDLE
;
1294 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2 ||
1295 pMessage
->pBuffers
[0].BufferType
!= SECBUFFER_TOKEN
||
1296 !pMessage
->pBuffers
[0].pvBuffer
)
1297 return SEC_E_INVALID_TOKEN
;
1299 if(pMessage
->pBuffers
[0].cbBuffer
< 16)
1300 return SEC_E_BUFFER_TOO_SMALL
;
1303 FIXME("Ignoring MessageSeqNo\n");
1305 helper
= (PNegoHelper
)phContext
->dwLower
;
1306 TRACE("Negotiated flags: 0x%08lx\n", helper
->neg_flags
);
1308 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
)
1310 FIXME("Can't handle NTLMv2 signing yet. Aborting.\n");
1311 return SEC_E_UNSUPPORTED_FUNCTION
;
1314 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_SIGN
)
1316 SecBufferDesc local_desc
;
1317 SecBuffer local_buff
[2];
1320 local_desc
.ulVersion
= SECBUFFER_VERSION
;
1321 local_desc
.cBuffers
= 2;
1322 local_desc
.pBuffers
= local_buff
;
1323 local_buff
[0].BufferType
= SECBUFFER_TOKEN
;
1324 local_buff
[0].cbBuffer
= 16;
1325 local_buff
[0].pvBuffer
= local_sig
;
1326 local_buff
[1].BufferType
= SECBUFFER_DATA
;
1327 local_buff
[1].cbBuffer
= pMessage
->pBuffers
[1].cbBuffer
;
1328 local_buff
[1].pvBuffer
= pMessage
->pBuffers
[1].pvBuffer
;
1330 ntlm_MakeSignature(phContext
, fQOP
, &local_desc
, MessageSeqNo
);
1332 if(memcmp(((PBYTE
)local_buff
[0].pvBuffer
) + 8, ((PBYTE
)pMessage
->pBuffers
[0].pvBuffer
) + 8, 8))
1333 return SEC_E_MESSAGE_ALTERED
;
1338 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_KEY_EXCHANGE
)
1340 FIXME("Can't handle encrypted session keys yet. Aborting.\n");
1341 return SEC_E_UNSUPPORTED_FUNCTION
;
1344 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_ALWAYS_SIGN
|| helper
->neg_flags
== 0)
1346 const BYTE dummy_sig
[] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1347 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
1348 TRACE("Assuming dummy signature.\n");
1349 if(memcmp(pMessage
->pBuffers
[0].pvBuffer
, dummy_sig
, sizeof(dummy_sig
)) != 0)
1351 TRACE("Failed to verify the packet signature. Not a dummy signature?\n");
1352 return SEC_E_MESSAGE_ALTERED
;
1361 return SEC_E_UNSUPPORTED_FUNCTION
;
1364 /***********************************************************************
1365 * FreeCredentialsHandle
1367 static SECURITY_STATUS SEC_ENTRY
ntlm_FreeCredentialsHandle(
1368 PCredHandle phCredential
)
1370 SECURITY_STATUS ret
;
1373 PNegoHelper helper
= (PNegoHelper
) phCredential
->dwLower
;
1374 phCredential
->dwUpper
= 0;
1375 phCredential
->dwLower
= 0;
1376 HeapFree(GetProcessHeap(), 0, helper
->session_key
);
1377 cleanup_helper(helper
);
1386 /***********************************************************************
1389 static SECURITY_STATUS SEC_ENTRY
ntlm_EncryptMessage(PCtxtHandle phContext
,
1390 ULONG fQOP
, PSecBufferDesc pMessage
, ULONG MessageSeqNo
)
1393 TRACE("(%p %d %p %d)\n", phContext
, fQOP
, pMessage
, MessageSeqNo
);
1396 return SEC_E_INVALID_HANDLE
;
1399 FIXME("Ignoring fQOP\n");
1402 FIXME("Ignoring MessageSeqNo\n");
1404 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2 ||
1405 pMessage
->pBuffers
[0].BufferType
!= SECBUFFER_TOKEN
||
1406 !pMessage
->pBuffers
[0].pvBuffer
)
1407 return SEC_E_INVALID_TOKEN
;
1409 if(pMessage
->pBuffers
[0].cbBuffer
< 16)
1410 return SEC_E_BUFFER_TOO_SMALL
;
1412 helper
= (PNegoHelper
) phContext
->dwLower
;
1414 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
)
1416 FIXME("Can't handle NTLMv2 encryption yet, aborting\n");
1417 return SEC_E_UNSUPPORTED_FUNCTION
;
1421 PBYTE sig
= pMessage
->pBuffers
[0].pvBuffer
;
1422 ULONG crc
= ComputeCrc32(pMessage
->pBuffers
[1].pvBuffer
,
1423 pMessage
->pBuffers
[1].cbBuffer
);
1424 ULONG sign_version
= 1l;
1426 sig
[ 0] = (sign_version
>> 0) & 0xff;
1427 sig
[ 1] = (sign_version
>> 8) & 0xff;
1428 sig
[ 2] = (sign_version
>> 16) & 0xff;
1429 sig
[ 3] = (sign_version
>> 24) & 0xff;
1430 memset(sig
+4, 0, 4);
1431 sig
[ 8] = (crc
>> 0) & 0xff;
1432 sig
[ 9] = (crc
>> 8) & 0xff;
1433 sig
[10] = (crc
>> 16) & 0xff;
1434 sig
[11] = (crc
>> 24) & 0xff;
1435 sig
[12] = (helper
->crypt
.ntlm
.seq_num
>> 0) & 0xff;
1436 sig
[13] = (helper
->crypt
.ntlm
.seq_num
>> 8) & 0xff;
1437 sig
[14] = (helper
->crypt
.ntlm
.seq_num
>> 16) & 0xff;
1438 sig
[15] = (helper
->crypt
.ntlm
.seq_num
>> 24) & 0xff;
1440 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, pMessage
->pBuffers
[1].pvBuffer
,
1441 pMessage
->pBuffers
[1].cbBuffer
);
1442 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
, sig
+4, 12);
1444 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_ALWAYS_SIGN
|| helper
->neg_flags
== 0)
1445 memset(sig
+4, 0, 4);
1447 ++(helper
->crypt
.ntlm
.seq_num
);
1454 /***********************************************************************
1457 static SECURITY_STATUS SEC_ENTRY
ntlm_DecryptMessage(PCtxtHandle phContext
,
1458 PSecBufferDesc pMessage
, ULONG MessageSeqNo
, PULONG pfQOP
)
1460 SECURITY_STATUS ret
;
1461 ULONG ntlmssp_flags_save
;
1463 TRACE("(%p %p %d %p)\n", phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1466 return SEC_E_INVALID_HANDLE
;
1469 FIXME("Ignoring MessageSeqNo\n");
1471 if(!pMessage
|| !pMessage
->pBuffers
|| pMessage
->cBuffers
< 2 ||
1472 pMessage
->pBuffers
[0].BufferType
!= SECBUFFER_TOKEN
||
1473 !pMessage
->pBuffers
[0].pvBuffer
)
1474 return SEC_E_INVALID_TOKEN
;
1476 if(pMessage
->pBuffers
[0].cbBuffer
< 16)
1477 return SEC_E_BUFFER_TOO_SMALL
;
1479 helper
= (PNegoHelper
) phContext
->dwLower
;
1481 if(helper
->neg_flags
& NTLMSSP_NEGOTIATE_NTLM2
)
1483 FIXME("Can't handle NTLMv2 encryption yet, aborting\n");
1484 return SEC_E_UNSUPPORTED_FUNCTION
;
1488 SECUR32_arc4Process(helper
->crypt
.ntlm
.a4i
,
1489 pMessage
->pBuffers
[1].pvBuffer
, pMessage
->pBuffers
[1].cbBuffer
);
1492 /* Make sure we use a session key for the signature check, EncryptMessage
1493 * always does that, even in the dummy case */
1494 ntlmssp_flags_save
= helper
->neg_flags
;
1496 helper
->neg_flags
|= NTLMSSP_NEGOTIATE_SIGN
;
1497 ret
= ntlm_VerifySignature(phContext
, pMessage
, MessageSeqNo
, pfQOP
);
1499 helper
->neg_flags
= ntlmssp_flags_save
;
1504 static SecurityFunctionTableA ntlmTableA
= {
1506 NULL
, /* EnumerateSecurityPackagesA */
1507 ntlm_QueryCredentialsAttributesA
, /* QueryCredentialsAttributesA */
1508 ntlm_AcquireCredentialsHandleA
, /* AcquireCredentialsHandleA */
1509 ntlm_FreeCredentialsHandle
, /* FreeCredentialsHandle */
1510 NULL
, /* Reserved2 */
1511 ntlm_InitializeSecurityContextA
, /* InitializeSecurityContextA */
1512 ntlm_AcceptSecurityContext
, /* AcceptSecurityContext */
1513 ntlm_CompleteAuthToken
, /* CompleteAuthToken */
1514 ntlm_DeleteSecurityContext
, /* DeleteSecurityContext */
1515 NULL
, /* ApplyControlToken */
1516 ntlm_QueryContextAttributesA
, /* QueryContextAttributesA */
1517 ntlm_ImpersonateSecurityContext
, /* ImpersonateSecurityContext */
1518 ntlm_RevertSecurityContext
, /* RevertSecurityContext */
1519 ntlm_MakeSignature
, /* MakeSignature */
1520 ntlm_VerifySignature
, /* VerifySignature */
1521 FreeContextBuffer
, /* FreeContextBuffer */
1522 NULL
, /* QuerySecurityPackageInfoA */
1523 NULL
, /* Reserved3 */
1524 NULL
, /* Reserved4 */
1525 NULL
, /* ExportSecurityContext */
1526 NULL
, /* ImportSecurityContextA */
1527 NULL
, /* AddCredentialsA */
1528 NULL
, /* Reserved8 */
1529 NULL
, /* QuerySecurityContextToken */
1530 ntlm_EncryptMessage
, /* EncryptMessage */
1531 ntlm_DecryptMessage
, /* DecryptMessage */
1532 NULL
, /* SetContextAttributesA */
1535 static SecurityFunctionTableW ntlmTableW
= {
1537 NULL
, /* EnumerateSecurityPackagesW */
1538 ntlm_QueryCredentialsAttributesW
, /* QueryCredentialsAttributesW */
1539 ntlm_AcquireCredentialsHandleW
, /* AcquireCredentialsHandleW */
1540 ntlm_FreeCredentialsHandle
, /* FreeCredentialsHandle */
1541 NULL
, /* Reserved2 */
1542 ntlm_InitializeSecurityContextW
, /* InitializeSecurityContextW */
1543 ntlm_AcceptSecurityContext
, /* AcceptSecurityContext */
1544 ntlm_CompleteAuthToken
, /* CompleteAuthToken */
1545 ntlm_DeleteSecurityContext
, /* DeleteSecurityContext */
1546 NULL
, /* ApplyControlToken */
1547 ntlm_QueryContextAttributesW
, /* QueryContextAttributesW */
1548 ntlm_ImpersonateSecurityContext
, /* ImpersonateSecurityContext */
1549 ntlm_RevertSecurityContext
, /* RevertSecurityContext */
1550 ntlm_MakeSignature
, /* MakeSignature */
1551 ntlm_VerifySignature
, /* VerifySignature */
1552 FreeContextBuffer
, /* FreeContextBuffer */
1553 NULL
, /* QuerySecurityPackageInfoW */
1554 NULL
, /* Reserved3 */
1555 NULL
, /* Reserved4 */
1556 NULL
, /* ExportSecurityContext */
1557 NULL
, /* ImportSecurityContextW */
1558 NULL
, /* AddCredentialsW */
1559 NULL
, /* Reserved8 */
1560 NULL
, /* QuerySecurityContextToken */
1561 ntlm_EncryptMessage
, /* EncryptMessage */
1562 ntlm_DecryptMessage
, /* DecryptMessage */
1563 NULL
, /* SetContextAttributesW */
1566 #define NTLM_COMMENT \
1567 { 'N', 'T', 'L', 'M', ' ', \
1568 'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1569 'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1571 static CHAR ntlm_comment_A
[] = NTLM_COMMENT
;
1572 static WCHAR ntlm_comment_W
[] = NTLM_COMMENT
;
1574 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1576 static char ntlm_name_A
[] = NTLM_NAME
;
1577 static WCHAR ntlm_name_W
[] = NTLM_NAME
;
1579 /* According to Windows, NTLM has the following capabilities. */
1581 SECPKG_FLAG_INTEGRITY | \
1582 SECPKG_FLAG_PRIVACY | \
1583 SECPKG_FLAG_TOKEN_ONLY | \
1584 SECPKG_FLAG_CONNECTION | \
1585 SECPKG_FLAG_MULTI_REQUIRED | \
1586 SECPKG_FLAG_IMPERSONATION | \
1587 SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1588 SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1590 static const SecPkgInfoW infoW
= {
1599 static const SecPkgInfoA infoA
= {
1608 void SECUR32_initNTLMSP(void)
1610 SECURITY_STATUS ret
;
1612 static CHAR ntlm_auth
[] = "ntlm_auth",
1613 version
[] = "--version";
1615 SEC_CHAR
*args
[] = {
1620 if((ret
= fork_helper(&helper
, "ntlm_auth", args
)) != SEC_E_OK
)
1622 /* Cheat and allocate a helper anyway, so cleanup later will work. */
1623 helper
= HeapAlloc(GetProcessHeap(),0, sizeof(PNegoHelper
));
1624 helper
->version
= -1;
1627 check_version(helper
);
1629 if(helper
->version
> 2)
1631 SecureProvider
*provider
= SECUR32_addProvider(&ntlmTableA
, &ntlmTableW
, NULL
);
1632 SECUR32_addPackages(provider
, 1L, &infoA
, &infoW
);
1636 ERR("ntlm_auth was not found or is outdated. "
1637 "Make sure that ntlm_auth >= 3.x is in your path.\n");
1639 cleanup_helper(helper
);