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secur32: Don't free the password in InitializeSecurityContextW to enable the credenti...
[wine/multimedia.git] / dlls / secur32 / ntlm.c
blob890c74a66ba3727870b4bf2858b3783f89258edd
1 /*
2 * Copyright 2005, 2006 Kai Blin
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 *
18 * This file implements the NTLM security provider.
19 */
20
21 #include <assert.h>
22 #include <stdarg.h>
23 #include <stdio.h>
24 #include "windef.h"
25 #include "winbase.h"
26 #include "winnls.h"
27 #include "rpc.h"
28 #include "sspi.h"
29 #include "lm.h"
30 #include "secur32_priv.h"
31 #include "hmac_md5.h"
32 #include "wine/debug.h"
33
34 WINE_DEFAULT_DEBUG_CHANNEL(ntlm);
35
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
40
41 static CHAR ntlm_auth[] = "ntlm_auth";
42
43 /***********************************************************************
44 * QueryCredentialsAttributesA
45 */
46 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesA(
47 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
48 {
49 SECURITY_STATUS ret;
50
51 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
52
53 if(ulAttribute == SECPKG_ATTR_NAMES)
54 {
55 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
56 ret = SEC_E_UNSUPPORTED_FUNCTION;
57 }
58 else
59 ret = SEC_E_UNSUPPORTED_FUNCTION;
60
61 return ret;
62 }
63
64 /***********************************************************************
65 * QueryCredentialsAttributesW
66 */
67 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesW(
68 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
69 {
70 SECURITY_STATUS ret;
71
72 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
73
74 if(ulAttribute == SECPKG_ATTR_NAMES)
75 {
76 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
77 ret = SEC_E_UNSUPPORTED_FUNCTION;
78 }
79 else
80 ret = SEC_E_UNSUPPORTED_FUNCTION;
81
82 return ret;
83 }
84
85 /***********************************************************************
86 * AcquireCredentialsHandleW
87 */
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)
92 {
93 SECURITY_STATUS ret;
94 PNegoHelper helper = NULL;
95 static CHAR server_helper_protocol[] = "--helper-protocol=squid-2.5-ntlmssp",
96 credentials_argv[] = "--use-cached-creds";
97
98 SEC_CHAR *client_user_arg = NULL;
99 SEC_CHAR *client_domain_arg = NULL;
100 SEC_WCHAR *username = NULL, *domain = NULL;
101
102 SEC_CHAR *client_argv[6];
103 SEC_CHAR *server_argv[] = { ntlm_auth,
104 server_helper_protocol,
105 NULL };
106
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);
110
111
112 switch(fCredentialUse)
113 {
114 case SECPKG_CRED_INBOUND:
115 if( (ret = fork_helper(&helper, ntlm_auth, server_argv)) !=
116 SEC_E_OK)
117 {
118 phCredential = NULL;
119 break;
120 }
121 else
122 {
123 helper->mode = NTLM_SERVER;
124 phCredential->dwUpper = fCredentialUse;
125 phCredential->dwLower = (ULONG_PTR)helper;
126 }
127 ret = SEC_E_OK;
128 break;
129 case SECPKG_CRED_OUTBOUND:
130 {
131 static const char username_arg[] = "--username=";
132 static const char domain_arg[] = "--domain=";
133 static char helper_protocol[] = "--helper-protocol=ntlmssp-client-1";
134 int unixcp_size;
135
136 if(pAuthData == NULL)
137 {
138 LPWKSTA_USER_INFO_1 ui = NULL;
139 NET_API_STATUS status;
140
141 status = NetWkstaUserGetInfo(NULL, 1, (LPBYTE *)&ui);
142 if (status != NERR_Success || ui == NULL)
143 {
144 ret = SEC_E_NO_CREDENTIALS;
145 phCredential = NULL;
146 break;
147 }
148
149 username = HeapAlloc(GetProcessHeap(), 0,
150 (lstrlenW(ui->wkui1_username)+1) *
151 sizeof(SEC_WCHAR));
152 lstrcpyW(username, ui->wkui1_username);
153
154 /* same for the domain */
155 domain = HeapAlloc(GetProcessHeap(), 0,
156 (lstrlenW(ui->wkui1_logon_domain)+1) *
157 sizeof(SEC_WCHAR));
158 lstrcpyW(domain, ui->wkui1_logon_domain);
159 NetApiBufferFree(ui);
160 }
161 else
162 {
163 PSEC_WINNT_AUTH_IDENTITY_W auth_data =
164 (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
165
166 /* Get username and domain from pAuthData */
167 username = HeapAlloc(GetProcessHeap(), 0,
168 (auth_data->UserLength + 1) * sizeof(SEC_WCHAR));
169 memcpy(username, auth_data->User,
170 auth_data->UserLength * sizeof(SEC_WCHAR));
171 username[auth_data->UserLength] = '\0';
172
173 domain = HeapAlloc(GetProcessHeap(), 0,
174 (auth_data->DomainLength + 1) * sizeof(SEC_WCHAR));
175 memcpy(domain, auth_data->Domain,
176 auth_data->DomainLength * sizeof(SEC_WCHAR));
177 domain[auth_data->DomainLength] = '\0';
178 }
179 TRACE("Username is %s\n", debugstr_w(username));
180 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
181 username, -1, NULL, 0, NULL, NULL) + sizeof(username_arg);
182 client_user_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
183 lstrcpyA(client_user_arg, username_arg);
184 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, username, -1,
185 client_user_arg + sizeof(username_arg) - 1,
186 unixcp_size - sizeof(username_arg) + 1, NULL, NULL);
187
188 TRACE("Domain name is %s\n", debugstr_w(domain));
189 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
190 domain, -1, NULL, 0, NULL, NULL) + sizeof(domain_arg);
191 client_domain_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
192 lstrcpyA(client_domain_arg, domain_arg);
193 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, domain,
194 -1, client_domain_arg + sizeof(domain_arg) - 1,
195 unixcp_size - sizeof(domain) + 1, NULL, NULL);
196
197 client_argv[0] = ntlm_auth;
198 client_argv[1] = helper_protocol;
199 client_argv[2] = client_user_arg;
200 client_argv[3] = client_domain_arg;
201 client_argv[4] = credentials_argv;
202 client_argv[5] = NULL;
203
204 if((ret = fork_helper(&helper, ntlm_auth, client_argv)) !=
205 SEC_E_OK)
206 {
207 phCredential = NULL;
208 break;
209 }
210 else
211 {
212 helper->mode = NTLM_CLIENT;
213
214 if(pAuthData != NULL)
215 {
216 PSEC_WINNT_AUTH_IDENTITY_W auth_data =
217 (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
218
219 if(auth_data->PasswordLength != 0)
220 {
221 helper->pwlen = WideCharToMultiByte(CP_UNIXCP,
222 WC_NO_BEST_FIT_CHARS, auth_data->Password,
223 auth_data->PasswordLength, NULL, 0, NULL,
224 NULL);
225
226 helper->password = HeapAlloc(GetProcessHeap(), 0,
227 helper->pwlen);
228
229 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
230 auth_data->Password, auth_data->PasswordLength,
231 helper->password, helper->pwlen, NULL, NULL);
232 }
233 }
234
235 phCredential->dwUpper = fCredentialUse;
236 phCredential->dwLower = (ULONG_PTR)helper;
237 TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
238 phCredential->dwUpper, phCredential->dwLower);
239 }
240 ret = SEC_E_OK;
241 break;
242 }
243 case SECPKG_CRED_BOTH:
244 FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
245 ret = SEC_E_UNSUPPORTED_FUNCTION;
246 phCredential = NULL;
247 break;
248 default:
249 phCredential = NULL;
250 ret = SEC_E_UNKNOWN_CREDENTIALS;
251 }
252
253
254 HeapFree(GetProcessHeap(), 0, client_user_arg);
255 HeapFree(GetProcessHeap(), 0, client_domain_arg);
256 HeapFree(GetProcessHeap(), 0, username);
257 HeapFree(GetProcessHeap(), 0, domain);
258
259 return ret;
260 }
261
262 /***********************************************************************
263 * AcquireCredentialsHandleA
264 */
265 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleA(
266 SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
267 PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
268 PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
269 {
270 SECURITY_STATUS ret;
271 int user_sizeW, domain_sizeW, passwd_sizeW;
272
273 SEC_WCHAR *user = NULL, *domain = NULL, *passwd = NULL, *package = NULL;
274
275 PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW = NULL;
276 PSEC_WINNT_AUTH_IDENTITY_A identity = NULL;
277
278 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
279 debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
280 pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
281
282 if(pszPackage != NULL)
283 {
284 int package_sizeW = MultiByteToWideChar(CP_ACP, 0, pszPackage, -1,
285 NULL, 0);
286
287 package = HeapAlloc(GetProcessHeap(), 0, package_sizeW *
288 sizeof(SEC_WCHAR));
289 MultiByteToWideChar(CP_ACP, 0, pszPackage, -1, package, package_sizeW);
290 }
291
292
293 if(pAuthData != NULL)
294 {
295 identity = (PSEC_WINNT_AUTH_IDENTITY_A)pAuthData;
296
297 if(identity->Flags == SEC_WINNT_AUTH_IDENTITY_ANSI)
298 {
299 pAuthDataW = HeapAlloc(GetProcessHeap(), 0,
300 sizeof(SEC_WINNT_AUTH_IDENTITY_W));
301
302 if(identity->UserLength != 0)
303 {
304 user_sizeW = MultiByteToWideChar(CP_ACP, 0,
305 (LPCSTR)identity->User, identity->UserLength, NULL, 0);
306 user = HeapAlloc(GetProcessHeap(), 0, user_sizeW *
307 sizeof(SEC_WCHAR));
308 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->User,
309 identity->UserLength, user, user_sizeW);
310 }
311 else
312 {
313 user_sizeW = 0;
314 }
315
316 if(identity->DomainLength != 0)
317 {
318 domain_sizeW = MultiByteToWideChar(CP_ACP, 0,
319 (LPCSTR)identity->Domain, identity->DomainLength, NULL, 0);
320 domain = HeapAlloc(GetProcessHeap(), 0, domain_sizeW
321 * sizeof(SEC_WCHAR));
322 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Domain,
323 identity->DomainLength, domain, domain_sizeW);
324 }
325 else
326 {
327 domain_sizeW = 0;
328 }
329
330 if(identity->PasswordLength != 0)
331 {
332 passwd_sizeW = MultiByteToWideChar(CP_ACP, 0,
333 (LPCSTR)identity->Password, identity->PasswordLength,
334 NULL, 0);
335 passwd = HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
336 * sizeof(SEC_WCHAR));
337 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Password,
338 identity->PasswordLength, passwd, passwd_sizeW);
339 }
340 else
341 {
342 passwd_sizeW = 0;
343 }
344
345 pAuthDataW->Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
346 pAuthDataW->User = user;
347 pAuthDataW->UserLength = user_sizeW;
348 pAuthDataW->Domain = domain;
349 pAuthDataW->DomainLength = domain_sizeW;
350 pAuthDataW->Password = passwd;
351 pAuthDataW->PasswordLength = passwd_sizeW;
352 }
353 else
354 {
355 pAuthDataW = (PSEC_WINNT_AUTH_IDENTITY_W)identity;
356 }
357 }
358
359 ret = ntlm_AcquireCredentialsHandleW(NULL, package, fCredentialUse,
360 pLogonID, pAuthDataW, pGetKeyFn, pGetKeyArgument, phCredential,
361 ptsExpiry);
362
363 HeapFree(GetProcessHeap(), 0, package);
364 HeapFree(GetProcessHeap(), 0, user);
365 HeapFree(GetProcessHeap(), 0, domain);
366 HeapFree(GetProcessHeap(), 0, passwd);
367 if(pAuthDataW != (PSEC_WINNT_AUTH_IDENTITY_W)identity)
368 HeapFree(GetProcessHeap(), 0, pAuthDataW);
369
370 return ret;
371 }
372
373 /*************************************************************************
374 * ntlm_GetTokenBufferIndex
375 * Calculates the index of the secbuffer with BufferType == SECBUFFER_TOKEN
376 * Returns index if found or -1 if not found.
377 */
378 static int ntlm_GetTokenBufferIndex(PSecBufferDesc pMessage)
379 {
380 UINT i;
381
382 TRACE("%p\n", pMessage);
383
384 for( i = 0; i < pMessage->cBuffers; ++i )
385 {
386 if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
387 return i;
388 }
389
390 return -1;
391 }
392
393 /***********************************************************************
394 * InitializeSecurityContextW
395 */
396 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
397 PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
398 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
399 PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
400 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
401 {
402 SECURITY_STATUS ret;
403 PNegoHelper helper;
404 ULONG ctxt_attr = 0;
405 char* buffer, *want_flags = NULL;
406 PBYTE bin;
407 int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
408 int token_idx;
409
410 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
411 debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
412 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
413
414 /****************************************
415 * When communicating with the client, there can be the
416 * following reply packets:
417 * YR <base64 blob> should be sent to the server
418 * PW should be sent back to helper with
419 * base64 encoded password
420 * AF <base64 blob> client is done, blob should be
421 * sent to server with KK prefixed
422 * GF <string list> A string list of negotiated flags
423 * GK <base64 blob> base64 encoded session key
424 * BH <char reason> something broke
425 */
426 /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
427
428 if (pszTargetName)
429 {
430 TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
431 }
432
433 if(TargetDataRep == SECURITY_NETWORK_DREP){
434 TRACE("Setting SECURITY_NETWORK_DREP\n");
435 }
436
437 buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
438 bin = HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE) * NTLM_MAX_BUF);
439
440 if((phContext == NULL) && (pInput == NULL))
441 {
442 TRACE("First time in ISC()\n");
443
444 if(!phCredential)
445 return SEC_E_INVALID_HANDLE;
446
447 /* As the server side of sspi never calls this, make sure that
448 * the handler is a client handler.
449 */
450 helper = (PNegoHelper)phCredential->dwLower;
451 if(helper->mode != NTLM_CLIENT)
452 {
453 TRACE("Helper mode = %d\n", helper->mode);
454 return SEC_E_INVALID_HANDLE;
455 }
456
457 /* Allocate space for a maximal string of
458 * "SF NTLMSSP_FEATURE_SIGN NTLMSSP_FEATURE_SEAL
459 * NTLMSSP_FEATURE_SESSION_KEY"
460 */
461 want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
462 if(want_flags == NULL)
463 {
464 ret = SEC_E_INSUFFICIENT_MEMORY;
465 goto isc_end;
466 }
467 lstrcpyA(want_flags, "SF");
468 if(fContextReq & ISC_REQ_CONFIDENTIALITY)
469 {
470 char *ptr;
471 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SEAL")) == NULL)
472 lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
473 }
474 if(fContextReq & ISC_REQ_CONNECTION)
475 ctxt_attr |= ISC_RET_CONNECTION;
476 if(fContextReq & ISC_REQ_EXTENDED_ERROR)
477 ctxt_attr |= ISC_RET_EXTENDED_ERROR;
478 if(fContextReq & ISC_REQ_INTEGRITY)
479 {
480 char *ptr;
481 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
482 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
483 }
484 if(fContextReq & ISC_REQ_MUTUAL_AUTH)
485 ctxt_attr |= ISC_RET_MUTUAL_AUTH;
486 if(fContextReq & ISC_REQ_REPLAY_DETECT)
487 {
488 char *ptr;
489 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
490 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
491 }
492 if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
493 {
494 char *ptr;
495 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
496 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
497 }
498 if(fContextReq & ISC_REQ_STREAM)
499 FIXME("ISC_REQ_STREAM\n");
500 if(fContextReq & ISC_REQ_USE_DCE_STYLE)
501 ctxt_attr |= ISC_RET_USED_DCE_STYLE;
502 if(fContextReq & ISC_REQ_DELEGATE)
503 ctxt_attr |= ISC_RET_DELEGATE;
504
505 /* If no password is given, try to use cached credentials. Fall back to an empty
506 * password if this failed. */
507 if(helper->password == NULL)
508 {
509 lstrcpynA(buffer, "OK", max_len-1);
510 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
511 goto isc_end;
512 /* If the helper replied with "PW", using cached credentials failed */
513 if(!strncmp(buffer, "PW", 2))
514 {
515 TRACE("Using cached credentials failed. Using empty password.\n");
516 lstrcpynA(buffer, "PW AA==", max_len-1);
517 }
518 else /* Just do a noop on the next run */
519 lstrcpynA(buffer, "OK", max_len-1);
520 }
521 else
522 {
523 lstrcpynA(buffer, "PW ", max_len-1);
524 if((ret = encodeBase64((unsigned char*)helper->password,
525 helper->pwlen, buffer+3,
526 max_len-3, &buffer_len)) != SEC_E_OK)
527 goto isc_end;
528
529 }
530
531 TRACE("Sending to helper: %s\n", debugstr_a(buffer));
532 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
533 goto isc_end;
534
535 TRACE("Helper returned %s\n", debugstr_a(buffer));
536
537 if(lstrlenA(want_flags) > 2)
538 {
539 TRACE("Want flags are %s\n", debugstr_a(want_flags));
540 lstrcpynA(buffer, want_flags, max_len-1);
541 if((ret = run_helper(helper, buffer, max_len, &buffer_len))
542 != SEC_E_OK)
543 goto isc_end;
544 if(!strncmp(buffer, "BH", 2))
545 ERR("Helper doesn't understand new command set. Expect more things to fail.\n");
546 }
547
548 lstrcpynA(buffer, "YR", max_len-1);
549
550 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
551 goto isc_end;
552
553 TRACE("%s\n", buffer);
554
555 if(strncmp(buffer, "YR ", 3) != 0)
556 {
557 /* Something borked */
558 TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
559 ret = SEC_E_INTERNAL_ERROR;
560 goto isc_end;
561 }
562 if((ret = decodeBase64(buffer+3, buffer_len-3, bin,
563 max_len-1, &bin_len)) != SEC_E_OK)
564 goto isc_end;
565
566 /* put the decoded client blob into the out buffer */
567
568 phNewContext->dwUpper = ctxt_attr;
569 phNewContext->dwLower = (ULONG_PTR)helper;
570
571 ret = SEC_I_CONTINUE_NEEDED;
572 }
573 else
574 {
575 int input_token_idx;
576
577 /* handle second call here */
578 /* encode server data to base64 */
579 if (!pInput || ((input_token_idx = ntlm_GetTokenBufferIndex(pInput)) == -1))
580 {
581 ret = SEC_E_INVALID_TOKEN;
582 goto isc_end;
583 }
584
585 if(!phContext)
586 return SEC_E_INVALID_HANDLE;
587
588 /* As the server side of sspi never calls this, make sure that
589 * the handler is a client handler.
590 */
591 helper = (PNegoHelper)phContext->dwLower;
592 if(helper->mode != NTLM_CLIENT)
593 {
594 TRACE("Helper mode = %d\n", helper->mode);
595 return SEC_E_INVALID_HANDLE;
596 }
597
598 if (!pInput->pBuffers[input_token_idx].pvBuffer)
599 {
600 ret = SEC_E_INTERNAL_ERROR;
601 goto isc_end;
602 }
603
604 if(pInput->pBuffers[input_token_idx].cbBuffer > max_len)
605 {
606 TRACE("pInput->pBuffers[%d].cbBuffer is: %ld\n",
607 input_token_idx,
608 pInput->pBuffers[input_token_idx].cbBuffer);
609 ret = SEC_E_INVALID_TOKEN;
610 goto isc_end;
611 }
612 else
613 bin_len = pInput->pBuffers[input_token_idx].cbBuffer;
614
615 memcpy(bin, pInput->pBuffers[input_token_idx].pvBuffer, bin_len);
616
617 lstrcpynA(buffer, "TT ", max_len-1);
618
619 if((ret = encodeBase64(bin, bin_len, buffer+3,
620 max_len-3, &buffer_len)) != SEC_E_OK)
621 goto isc_end;
622
623 TRACE("Server sent: %s\n", debugstr_a(buffer));
624
625 /* send TT base64 blob to ntlm_auth */
626 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
627 goto isc_end;
628
629 TRACE("Helper replied: %s\n", debugstr_a(buffer));
630
631 if( (strncmp(buffer, "KK ", 3) != 0) &&
632 (strncmp(buffer, "AF ", 3) !=0))
633 {
634 TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
635 ret = SEC_E_INVALID_TOKEN;
636 goto isc_end;
637 }
638
639 /* decode the blob and send it to server */
640 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
641 &bin_len)) != SEC_E_OK)
642 {
643 goto isc_end;
644 }
645
646 phNewContext->dwUpper = ctxt_attr;
647 phNewContext->dwLower = (ULONG_PTR)helper;
648
649 ret = SEC_E_OK;
650 }
651
652 /* put the decoded client blob into the out buffer */
653
654 if (!pOutput || ((token_idx = ntlm_GetTokenBufferIndex(pOutput)) == -1))
655 {
656 TRACE("no SECBUFFER_TOKEN buffer could be found\n");
657 ret = SEC_E_BUFFER_TOO_SMALL;
658 goto isc_end;
659 }
660
661 if (fContextReq & ISC_REQ_ALLOCATE_MEMORY)
662 {
663 pOutput->pBuffers[token_idx].pvBuffer = SECUR32_ALLOC(bin_len);
664 pOutput->pBuffers[token_idx].cbBuffer = bin_len;
665 }
666 else if (pOutput->pBuffers[token_idx].cbBuffer < bin_len)
667 {
668 TRACE("out buffer is NULL or has not enough space\n");
669 ret = SEC_E_BUFFER_TOO_SMALL;
670 goto isc_end;
671 }
672
673 if (!pOutput->pBuffers[token_idx].pvBuffer)
674 {
675 TRACE("out buffer is NULL\n");
676 ret = SEC_E_INTERNAL_ERROR;
677 goto isc_end;
678 }
679
680 pOutput->pBuffers[token_idx].cbBuffer = bin_len;
681 memcpy(pOutput->pBuffers[token_idx].pvBuffer, bin, bin_len);
682
683 if(ret == SEC_E_OK)
684 {
685 TRACE("Getting negotiated flags\n");
686 lstrcpynA(buffer, "GF", max_len - 1);
687 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
688 goto isc_end;
689
690 if(buffer_len < 3)
691 {
692 TRACE("No flags negotiated.\n");
693 helper->neg_flags = 0l;
694 }
695 else
696 {
697 TRACE("Negotiated %s\n", debugstr_a(buffer));
698 sscanf(buffer + 3, "%lx", &(helper->neg_flags));
699 TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
700 }
701
702 TRACE("Getting session key\n");
703 lstrcpynA(buffer, "GK", max_len - 1);
704 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
705 goto isc_end;
706
707 if(strncmp(buffer, "BH", 2) == 0)
708 {
709 TRACE("No key negotiated.\n");
710 helper->valid_session_key = FALSE;
711 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
712 /*Generate the dummy session key = MD4(MD4(password))*/
713 if(helper->password)
714 {
715 SEC_WCHAR *unicode_password;
716 int passwd_lenW;
717
718 TRACE("Converting password to unicode.\n");
719 passwd_lenW = MultiByteToWideChar(CP_ACP, 0,
720 (LPCSTR)helper->password, helper->pwlen,
721 NULL, 0);
722 unicode_password = HeapAlloc(GetProcessHeap(), 0,
723 passwd_lenW * sizeof(SEC_WCHAR));
724 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)helper->password,
725 helper->pwlen, unicode_password, passwd_lenW);
726
727 SECUR32_CreateNTLMv1SessionKey((PBYTE)unicode_password,
728 passwd_lenW * sizeof(SEC_WCHAR), helper->session_key);
729
730 HeapFree(GetProcessHeap(), 0, unicode_password);
731 }
732 else
733 memset(helper->session_key, 0, 16);
734 }
735 else if(strncmp(buffer, "GK ", 3) == 0)
736 {
737 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
738 &bin_len)) != SEC_E_OK)
739 {
740 TRACE("Failed to decode session key\n");
741 }
742 TRACE("Session key is %s\n", debugstr_a(buffer+3));
743 helper->valid_session_key = TRUE;
744 helper->session_key = HeapAlloc(GetProcessHeap(), 0, bin_len);
745 if(!helper->session_key)
746 {
747 TRACE("Failed to allocate memory for session key\n");
748 ret = SEC_E_INTERNAL_ERROR;
749 goto isc_end;
750 }
751 memcpy(helper->session_key, bin, bin_len);
752 }
753
754 helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
755 SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
756 helper->crypt.ntlm.seq_num = 0l;
757 SECUR32_CreateNTLMv2SubKeys(helper);
758 helper->crypt.ntlm2.send_a4i = SECUR32_arc4Alloc();
759 helper->crypt.ntlm2.recv_a4i = SECUR32_arc4Alloc();
760 SECUR32_arc4Init(helper->crypt.ntlm2.send_a4i,
761 (BYTE *)helper->crypt.ntlm2.send_seal_key, 16);
762 SECUR32_arc4Init(helper->crypt.ntlm2.recv_a4i,
763 (BYTE *)helper->crypt.ntlm2.recv_seal_key, 16);
764 helper->crypt.ntlm2.send_seq_no = 0l;
765 helper->crypt.ntlm2.recv_seq_no = 0l;
766 }
767
768 isc_end:
769 HeapFree(GetProcessHeap(), 0, want_flags);
770 HeapFree(GetProcessHeap(), 0, buffer);
771 HeapFree(GetProcessHeap(), 0, bin);
772 return ret;
773 }
774
775 /***********************************************************************
776 * InitializeSecurityContextA
777 */
778 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
779 PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
780 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
781 PSecBufferDesc pInput,ULONG Reserved2, PCtxtHandle phNewContext,
782 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
783 {
784 SECURITY_STATUS ret;
785 SEC_WCHAR *target = NULL;
786
787 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
788 debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
789 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
790
791 if(pszTargetName != NULL)
792 {
793 int target_size = MultiByteToWideChar(CP_ACP, 0, pszTargetName,
794 strlen(pszTargetName)+1, NULL, 0);
795 target = HeapAlloc(GetProcessHeap(), 0, target_size *
796 sizeof(SEC_WCHAR));
797 MultiByteToWideChar(CP_ACP, 0, pszTargetName, strlen(pszTargetName)+1,
798 target, target_size);
799 }
800
801 ret = ntlm_InitializeSecurityContextW(phCredential, phContext, target,
802 fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
803 phNewContext, pOutput, pfContextAttr, ptsExpiry);
804
805 HeapFree(GetProcessHeap(), 0, target);
806 return ret;
807 }
808
809 /***********************************************************************
810 * AcceptSecurityContext
811 */
812 static SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(
813 PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput,
814 ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
815 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
816 {
817 SECURITY_STATUS ret;
818 char *buffer, *want_flags = NULL;
819 PBYTE bin;
820 int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
821 ULONG ctxt_attr = 0;
822 PNegoHelper helper;
823
824 TRACE("%p %p %p %d %d %p %p %p %p\n", phCredential, phContext, pInput,
825 fContextReq, TargetDataRep, phNewContext, pOutput, pfContextAttr,
826 ptsExpiry);
827
828 if (!phCredential)
829 return SEC_E_INVALID_HANDLE;
830
831 helper = (PNegoHelper)phCredential->dwLower;
832
833 buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
834 bin = HeapAlloc(GetProcessHeap(),0, sizeof(BYTE) * NTLM_MAX_BUF);
835
836 if(helper->mode != NTLM_SERVER)
837 {
838 ret = SEC_E_INVALID_HANDLE;
839 goto asc_end;
840 }
841
842 if(TargetDataRep == SECURITY_NETWORK_DREP){
843 TRACE("Using SECURITY_NETWORK_DREP\n");
844 }
845
846 if(phContext == NULL)
847 {
848 /* This is the first call to AcceptSecurityHandle */
849 if(pInput == NULL)
850 {
851 ret = SEC_E_INCOMPLETE_MESSAGE;
852 goto asc_end;
853 }
854
855 if(pInput->cBuffers < 1)
856 {
857 ret = SEC_E_INCOMPLETE_MESSAGE;
858 goto asc_end;
859 }
860
861 if(pInput->pBuffers[0].cbBuffer > max_len)
862 {
863 ret = SEC_E_INVALID_TOKEN;
864 goto asc_end;
865 }
866 else
867 bin_len = pInput->pBuffers[0].cbBuffer;
868
869 /* Handle all the flags */
870 want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
871 if(want_flags == NULL)
872 {
873 TRACE("Failed to allocate memory for the want_flags!\n");
874 ret = SEC_E_INSUFFICIENT_MEMORY;
875 goto asc_end;
876 }
877 lstrcpyA(want_flags, "SF");
878 if(fContextReq & ASC_REQ_ALLOCATE_MEMORY)
879 {
880 FIXME("ASC_REQ_ALLOCATE_MEMORY stub\n");
881 }
882 if(fContextReq & ASC_REQ_CONFIDENTIALITY)
883 {
884 lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
885 }
886 if(fContextReq & ASC_REQ_CONNECTION)
887 {
888 /* This is default, so we'll enable it */
889 lstrcatA(want_flags, " NTLMSSP_FEATURE_SESSION_KEY");
890 ctxt_attr |= ASC_RET_CONNECTION;
891 }
892 if(fContextReq & ASC_REQ_EXTENDED_ERROR)
893 {
894 FIXME("ASC_REQ_EXTENDED_ERROR stub\n");
895 }
896 if(fContextReq & ASC_REQ_INTEGRITY)
897 {
898 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
899 }
900 if(fContextReq & ASC_REQ_MUTUAL_AUTH)
901 {
902 FIXME("ASC_REQ_MUTUAL_AUTH stub\n");
903 }
904 if(fContextReq & ASC_REQ_REPLAY_DETECT)
905 {
906 FIXME("ASC_REQ_REPLAY_DETECT stub\n");
907 }
908 if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
909 {
910 FIXME("ASC_REQ_SEQUENCE_DETECT stub\n");
911 }
912 if(fContextReq & ISC_REQ_STREAM)
913 {
914 FIXME("ASC_REQ_STREAM stub\n");
915 }
916 /* Done with the flags */
917
918 if(lstrlenA(want_flags) > 3)
919 {
920 TRACE("Server set want_flags: %s\n", debugstr_a(want_flags));
921 lstrcpynA(buffer, want_flags, max_len - 1);
922 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
923 SEC_E_OK)
924 goto asc_end;
925 if(!strncmp(buffer, "BH", 2))
926 TRACE("Helper doesn't understand new command set\n");
927 }
928
929 /* This is the YR request from the client, encode to base64 */
930
931 memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
932
933 lstrcpynA(buffer, "YR ", max_len-1);
934
935 if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
936 &buffer_len)) != SEC_E_OK)
937 {
938 goto asc_end;
939 }
940
941 TRACE("Client sent: %s\n", debugstr_a(buffer));
942
943 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
944 SEC_E_OK)
945 {
946 goto asc_end;
947 }
948
949 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
950 /* The expected answer is TT <base64 blob> */
951
952 if(strncmp(buffer, "TT ", 3) != 0)
953 {
954 ret = SEC_E_INTERNAL_ERROR;
955 goto asc_end;
956 }
957
958 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
959 &bin_len)) != SEC_E_OK)
960 {
961 goto asc_end;
962 }
963
964 /* send this to the client */
965 if(pOutput == NULL)
966 {
967 ret = SEC_E_INSUFFICIENT_MEMORY;
968 goto asc_end;
969 }
970
971 if(pOutput->cBuffers < 1)
972 {
973 ret = SEC_E_INSUFFICIENT_MEMORY;
974 goto asc_end;
975 }
976
977 pOutput->pBuffers[0].cbBuffer = bin_len;
978 pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
979 memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
980 ret = SEC_I_CONTINUE_NEEDED;
981
982 }
983 else
984 {
985 /* we expect a KK request from client */
986 if(pInput == NULL)
987 {
988 ret = SEC_E_INCOMPLETE_MESSAGE;
989 goto asc_end;
990 }
991
992 if(pInput->cBuffers < 1)
993 {
994 ret = SEC_E_INCOMPLETE_MESSAGE;
995 goto asc_end;
996 }
997
998 if(pInput->pBuffers[0].cbBuffer > max_len)
999 {
1000 ret = SEC_E_INVALID_TOKEN;
1001 goto asc_end;
1002 }
1003 else
1004 bin_len = pInput->pBuffers[0].cbBuffer;
1005
1006 memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
1007
1008 lstrcpynA(buffer, "KK ", max_len-1);
1009
1010 if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
1011 &buffer_len)) != SEC_E_OK)
1012 {
1013 goto asc_end;
1014 }
1015
1016 TRACE("Client sent: %s\n", debugstr_a(buffer));
1017
1018 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
1019 SEC_E_OK)
1020 {
1021 goto asc_end;
1022 }
1023
1024 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
1025
1026 if(strncmp(buffer, "AF ", 3) != 0)
1027 {
1028 if(strncmp(buffer, "NA ", 3) == 0)
1029 {
1030 ret = SEC_E_LOGON_DENIED;
1031 goto asc_end;
1032 }
1033 else
1034 {
1035 ret = SEC_E_INTERNAL_ERROR;
1036 goto asc_end;
1037 }
1038 }
1039 pOutput->pBuffers[0].cbBuffer = 0;
1040 ret = SEC_E_OK;
1041
1042 TRACE("Getting negotiated flags\n");
1043 lstrcpynA(buffer, "GF", max_len - 1);
1044 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1045 goto asc_end;
1046
1047 if(buffer_len < 3)
1048 {
1049 TRACE("No flags negotiated, or helper does not support GF command\n");
1050 }
1051 else
1052 {
1053 TRACE("Negotiated %s\n", debugstr_a(buffer));
1054 sscanf(buffer + 3, "%lx", &(helper->neg_flags));
1055 TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
1056 }
1057
1058 TRACE("Getting session key\n");
1059 lstrcpynA(buffer, "GK", max_len - 1);
1060 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1061 goto asc_end;
1062
1063 if(buffer_len < 3)
1064 TRACE("Helper does not support GK command\n");
1065 else
1066 {
1067 if(strncmp(buffer, "BH ", 3) == 0)
1068 {
1069 TRACE("Helper sent %s\n", debugstr_a(buffer+3));
1070 helper->valid_session_key = FALSE;
1071 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1072 /*FIXME: Generate the dummy session key = MD4(MD4(password))*/
1073 memset(helper->session_key, 0 , 16);
1074 }
1075 else if(strncmp(buffer, "GK ", 3) == 0)
1076 {
1077 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
1078 &bin_len)) != SEC_E_OK)
1079 {
1080 TRACE("Failed to decode session key\n");
1081 }
1082 TRACE("Session key is %s\n", debugstr_a(buffer+3));
1083 helper->valid_session_key = TRUE;
1084 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1085 if(!helper->session_key)
1086 {
1087 TRACE("Failed to allocate memory for session key\n");
1088 ret = SEC_E_INTERNAL_ERROR;
1089 goto asc_end;
1090 }
1091 memcpy(helper->session_key, bin, 16);
1092 }
1093 }
1094 helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
1095 SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
1096 helper->crypt.ntlm.seq_num = 0l;
1097 }
1098
1099 phNewContext->dwUpper = ctxt_attr;
1100 phNewContext->dwLower = (ULONG_PTR)helper;
1101
1102 asc_end:
1103 HeapFree(GetProcessHeap(), 0, want_flags);
1104 HeapFree(GetProcessHeap(), 0, buffer);
1105 HeapFree(GetProcessHeap(), 0, bin);
1106 return ret;
1107 }
1108
1109 /***********************************************************************
1110 * CompleteAuthToken
1111 */
1112 static SECURITY_STATUS SEC_ENTRY ntlm_CompleteAuthToken(PCtxtHandle phContext,
1113 PSecBufferDesc pToken)
1114 {
1115 /* We never need to call CompleteAuthToken anyway */
1116 TRACE("%p %p\n", phContext, pToken);
1117 if (!phContext)
1118 return SEC_E_INVALID_HANDLE;
1119
1120 return SEC_E_OK;
1121 }
1122
1123 /***********************************************************************
1124 * DeleteSecurityContext
1125 */
1126 static SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle phContext)
1127 {
1128 PNegoHelper helper;
1129
1130 TRACE("%p\n", phContext);
1131 if (!phContext)
1132 return SEC_E_INVALID_HANDLE;
1133
1134 helper = (PNegoHelper)phContext->dwLower;
1135
1136 phContext->dwUpper = 0;
1137 phContext->dwLower = 0;
1138
1139 SECUR32_arc4Cleanup(helper->crypt.ntlm.a4i);
1140 HeapFree(GetProcessHeap(), 0, helper->session_key);
1141 helper->valid_session_key = FALSE;
1142 SECUR32_arc4Cleanup(helper->crypt.ntlm2.send_a4i);
1143 SECUR32_arc4Cleanup(helper->crypt.ntlm2.recv_a4i);
1144 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_sign_key);
1145 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_seal_key);
1146 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_sign_key);
1147 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_seal_key);
1148
1149 return SEC_E_OK;
1150 }
1151
1152 /***********************************************************************
1153 * QueryContextAttributesW
1154 */
1155 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle phContext,
1156 ULONG ulAttribute, void *pBuffer)
1157 {
1158 TRACE("%p %d %p\n", phContext, ulAttribute, pBuffer);
1159 if (!phContext)
1160 return SEC_E_INVALID_HANDLE;
1161
1162 switch(ulAttribute)
1163 {
1164 #define _x(x) case (x) : FIXME(#x" stub\n"); break
1165 _x(SECPKG_ATTR_ACCESS_TOKEN);
1166 _x(SECPKG_ATTR_AUTHORITY);
1167 _x(SECPKG_ATTR_DCE_INFO);
1168 case SECPKG_ATTR_FLAGS:
1169 {
1170 PSecPkgContext_Flags spcf = (PSecPkgContext_Flags)pBuffer;
1171 PNegoHelper helper = (PNegoHelper)phContext->dwLower;
1172
1173 spcf->Flags = 0;
1174 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1175 spcf->Flags |= ISC_RET_INTEGRITY;
1176 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1177 spcf->Flags |= ISC_RET_CONFIDENTIALITY;
1178 return SEC_E_OK;
1179 }
1180 _x(SECPKG_ATTR_KEY_INFO);
1181 _x(SECPKG_ATTR_LIFESPAN);
1182 _x(SECPKG_ATTR_NAMES);
1183 _x(SECPKG_ATTR_NATIVE_NAMES);
1184 _x(SECPKG_ATTR_NEGOTIATION_INFO);
1185 _x(SECPKG_ATTR_PACKAGE_INFO);
1186 _x(SECPKG_ATTR_PASSWORD_EXPIRY);
1187 _x(SECPKG_ATTR_SESSION_KEY);
1188 case SECPKG_ATTR_SIZES:
1189 {
1190 PSecPkgContext_Sizes spcs = (PSecPkgContext_Sizes)pBuffer;
1191 spcs->cbMaxToken = NTLM_MAX_BUF;
1192 spcs->cbMaxSignature = 16;
1193 spcs->cbBlockSize = 0;
1194 spcs->cbSecurityTrailer = 16;
1195 return SEC_E_OK;
1196 }
1197 _x(SECPKG_ATTR_STREAM_SIZES);
1198 _x(SECPKG_ATTR_TARGET_INFORMATION);
1199 #undef _x
1200 default:
1201 TRACE("Unknown value %d passed for ulAttribute\n", ulAttribute);
1202 }
1203
1204 return SEC_E_UNSUPPORTED_FUNCTION;
1205 }
1206
1207 /***********************************************************************
1208 * QueryContextAttributesA
1209 */
1210 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle phContext,
1211 ULONG ulAttribute, void *pBuffer)
1212 {
1213 return ntlm_QueryContextAttributesW(phContext, ulAttribute, pBuffer);
1214 }
1215
1216 /***********************************************************************
1217 * ImpersonateSecurityContext
1218 */
1219 static SECURITY_STATUS SEC_ENTRY ntlm_ImpersonateSecurityContext(PCtxtHandle phContext)
1220 {
1221 SECURITY_STATUS ret;
1222
1223 TRACE("%p\n", phContext);
1224 if (phContext)
1225 {
1226 ret = SEC_E_UNSUPPORTED_FUNCTION;
1227 }
1228 else
1229 {
1230 ret = SEC_E_INVALID_HANDLE;
1231 }
1232 return ret;
1233 }
1234
1235 /***********************************************************************
1236 * RevertSecurityContext
1237 */
1238 static SECURITY_STATUS SEC_ENTRY ntlm_RevertSecurityContext(PCtxtHandle phContext)
1239 {
1240 SECURITY_STATUS ret;
1241
1242 TRACE("%p\n", phContext);
1243 if (phContext)
1244 {
1245 ret = SEC_E_UNSUPPORTED_FUNCTION;
1246 }
1247 else
1248 {
1249 ret = SEC_E_INVALID_HANDLE;
1250 }
1251 return ret;
1252 }
1253
1254 /***********************************************************************
1255 * ntlm_CreateSignature
1256 * As both MakeSignature and VerifySignature need this, but different keys
1257 * are needed for NTLMv2, the logic goes into a helper function.
1258 * To ensure maximal reusability, we can specify the direction as NTLM_SEND for
1259 * signing/encrypting and NTLM_RECV for verfying/decrypting. When encrypting,
1260 * the signature is encrypted after the message was encrypted, so
1261 * CreateSignature shouldn't do it. In this case, encrypt_sig can be set to
1262 * false.
1263 */
1264 static SECURITY_STATUS ntlm_CreateSignature(PNegoHelper helper, PSecBufferDesc pMessage,
1265 int token_idx, SignDirection direction, BOOL encrypt_sig)
1266 {
1267 ULONG sign_version = 1;
1268 UINT i;
1269 PBYTE sig;
1270 TRACE("%p, %p, %d, %d, %d\n", helper, pMessage, token_idx, direction,
1271 encrypt_sig);
1272
1273 sig = pMessage->pBuffers[token_idx].pvBuffer;
1274
1275 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1276 helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1277 {
1278 BYTE digest[16];
1279 BYTE seq_no[4];
1280 HMAC_MD5_CTX hmac_md5_ctx;
1281
1282 TRACE("Signing NTLM2 style\n");
1283
1284 if(direction == NTLM_SEND)
1285 {
1286 seq_no[0] = (helper->crypt.ntlm2.send_seq_no >> 0) & 0xff;
1287 seq_no[1] = (helper->crypt.ntlm2.send_seq_no >> 8) & 0xff;
1288 seq_no[2] = (helper->crypt.ntlm2.send_seq_no >> 16) & 0xff;
1289 seq_no[3] = (helper->crypt.ntlm2.send_seq_no >> 24) & 0xff;
1290
1291 ++(helper->crypt.ntlm2.send_seq_no);
1292
1293 HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.send_sign_key, 16);
1294 }
1295 else
1296 {
1297 seq_no[0] = (helper->crypt.ntlm2.recv_seq_no >> 0) & 0xff;
1298 seq_no[1] = (helper->crypt.ntlm2.recv_seq_no >> 8) & 0xff;
1299 seq_no[2] = (helper->crypt.ntlm2.recv_seq_no >> 16) & 0xff;
1300 seq_no[3] = (helper->crypt.ntlm2.recv_seq_no >> 24) & 0xff;
1301
1302 ++(helper->crypt.ntlm2.recv_seq_no);
1303
1304 HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.recv_sign_key, 16);
1305 }
1306
1307 HMACMD5Update(&hmac_md5_ctx, seq_no, 4);
1308 for( i = 0; i < pMessage->cBuffers; ++i )
1309 {
1310 if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1311 HMACMD5Update(&hmac_md5_ctx, (BYTE *)pMessage->pBuffers[i].pvBuffer,
1312 pMessage->pBuffers[i].cbBuffer);
1313 }
1314
1315 HMACMD5Final(&hmac_md5_ctx, digest);
1316
1317 if(encrypt_sig && helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1318 {
1319 if(direction == NTLM_SEND)
1320 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i, digest, 8);
1321 else
1322 SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i, digest, 8);
1323 }
1324
1325 /* The NTLM2 signature is the sign version */
1326 sig[ 0] = (sign_version >> 0) & 0xff;
1327 sig[ 1] = (sign_version >> 8) & 0xff;
1328 sig[ 2] = (sign_version >> 16) & 0xff;
1329 sig[ 3] = (sign_version >> 24) & 0xff;
1330 /* The first 8 bytes of the digest */
1331 memcpy(sig+4, digest, 8);
1332 /* And the sequence number */
1333 memcpy(sig+12, seq_no, 4);
1334
1335 pMessage->pBuffers[token_idx].cbBuffer = 16;
1336
1337 return SEC_E_OK;
1338 }
1339 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1340 {
1341 ULONG crc = 0U;
1342 TRACE("Signing NTLM1 style\n");
1343
1344 for(i=0; i < pMessage->cBuffers; ++i)
1345 {
1346 if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1347 {
1348 crc = ComputeCrc32(pMessage->pBuffers[i].pvBuffer,
1349 pMessage->pBuffers[i].cbBuffer, crc);
1350 }
1351 }
1352
1353 sig[ 0] = (sign_version >> 0) & 0xff;
1354 sig[ 1] = (sign_version >> 8) & 0xff;
1355 sig[ 2] = (sign_version >> 16) & 0xff;
1356 sig[ 3] = (sign_version >> 24) & 0xff;
1357 memset(sig+4, 0, 4);
1358 sig[ 8] = (crc >> 0) & 0xff;
1359 sig[ 9] = (crc >> 8) & 0xff;
1360 sig[10] = (crc >> 16) & 0xff;
1361 sig[11] = (crc >> 24) & 0xff;
1362 sig[12] = (helper->crypt.ntlm.seq_num >> 0) & 0xff;
1363 sig[13] = (helper->crypt.ntlm.seq_num >> 8) & 0xff;
1364 sig[14] = (helper->crypt.ntlm.seq_num >> 16) & 0xff;
1365 sig[15] = (helper->crypt.ntlm.seq_num >> 24) & 0xff;
1366
1367 ++(helper->crypt.ntlm.seq_num);
1368
1369 if(encrypt_sig)
1370 SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1371 return SEC_E_OK;
1372 }
1373
1374 if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1375 {
1376 TRACE("Creating a dummy signature.\n");
1377 /* A dummy signature is 0x01 followed by 15 bytes of 0x00 */
1378 memset(pMessage->pBuffers[token_idx].pvBuffer, 0, 16);
1379 memset(pMessage->pBuffers[token_idx].pvBuffer, 0x01, 1);
1380 pMessage->pBuffers[token_idx].cbBuffer = 16;
1381 return SEC_E_OK;
1382 }
1383
1384 return SEC_E_UNSUPPORTED_FUNCTION;
1385 }
1386
1387 /***********************************************************************
1388 * MakeSignature
1389 */
1390 static SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
1391 PSecBufferDesc pMessage, ULONG MessageSeqNo)
1392 {
1393 PNegoHelper helper;
1394 int token_idx;
1395
1396 TRACE("%p %d %p %d\n", phContext, fQOP, pMessage, MessageSeqNo);
1397 if (!phContext)
1398 return SEC_E_INVALID_HANDLE;
1399
1400 if(fQOP)
1401 FIXME("Ignoring fQOP 0x%08x\n", fQOP);
1402
1403 if(MessageSeqNo)
1404 FIXME("Ignoring MessageSeqNo\n");
1405
1406 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1407 return SEC_E_INVALID_TOKEN;
1408
1409 /* If we didn't find a SECBUFFER_TOKEN type buffer */
1410 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1411 return SEC_E_INVALID_TOKEN;
1412
1413 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1414 return SEC_E_BUFFER_TOO_SMALL;
1415
1416 helper = (PNegoHelper)phContext->dwLower;
1417 TRACE("Negotiated flags are: 0x%08lx\n", helper->neg_flags);
1418
1419 return ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, TRUE);
1420 }
1421
1422 /***********************************************************************
1423 * VerifySignature
1424 */
1425 static SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle phContext,
1426 PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1427 {
1428 PNegoHelper helper;
1429 ULONG fQOP = 0;
1430 UINT i;
1431 int token_idx;
1432 SECURITY_STATUS ret;
1433 SecBufferDesc local_desc;
1434 PSecBuffer local_buff;
1435 BYTE local_sig[16];
1436
1437 TRACE("%p %p %d %p\n", phContext, pMessage, MessageSeqNo, pfQOP);
1438 if(!phContext)
1439 return SEC_E_INVALID_HANDLE;
1440
1441 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1442 return SEC_E_INVALID_TOKEN;
1443
1444 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1445 return SEC_E_INVALID_TOKEN;
1446
1447 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1448 return SEC_E_BUFFER_TOO_SMALL;
1449
1450 if(MessageSeqNo)
1451 FIXME("Ignoring MessageSeqNo\n");
1452
1453 helper = (PNegoHelper)phContext->dwLower;
1454 TRACE("Negotiated flags: 0x%08lx\n", helper->neg_flags);
1455
1456 local_buff = HeapAlloc(GetProcessHeap(), 0, pMessage->cBuffers * sizeof(SecBuffer));
1457
1458 local_desc.ulVersion = SECBUFFER_VERSION;
1459 local_desc.cBuffers = pMessage->cBuffers;
1460 local_desc.pBuffers = local_buff;
1461
1462 for(i=0; i < pMessage->cBuffers; ++i)
1463 {
1464 if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
1465 {
1466 local_buff[i].BufferType = SECBUFFER_TOKEN;
1467 local_buff[i].cbBuffer = 16;
1468 local_buff[i].pvBuffer = local_sig;
1469 }
1470 else
1471 {
1472 local_buff[i].BufferType = pMessage->pBuffers[i].BufferType;
1473 local_buff[i].cbBuffer = pMessage->pBuffers[i].cbBuffer;
1474 local_buff[i].pvBuffer = pMessage->pBuffers[i].pvBuffer;
1475 }
1476 }
1477
1478 if((ret = ntlm_CreateSignature(helper, &local_desc, token_idx, NTLM_RECV, TRUE)) != SEC_E_OK)
1479 return ret;
1480
1481 if(memcmp(((PBYTE)local_buff[token_idx].pvBuffer) + 8,
1482 ((PBYTE)pMessage->pBuffers[token_idx].pvBuffer) + 8, 8))
1483 ret = SEC_E_MESSAGE_ALTERED;
1484 else
1485 ret = SEC_E_OK;
1486
1487 HeapFree(GetProcessHeap(), 0, local_buff);
1488 pfQOP = &fQOP;
1489
1490 return ret;
1491
1492 }
1493
1494 /***********************************************************************
1495 * FreeCredentialsHandle
1496 */
1497 static SECURITY_STATUS SEC_ENTRY ntlm_FreeCredentialsHandle(
1498 PCredHandle phCredential)
1499 {
1500 SECURITY_STATUS ret;
1501
1502 if(phCredential){
1503 PNegoHelper helper = (PNegoHelper) phCredential->dwLower;
1504 phCredential->dwUpper = 0;
1505 phCredential->dwLower = 0;
1506 if (helper->password)
1507 memset(helper->password, 0, helper->pwlen);
1508 HeapFree(GetProcessHeap(), 0, helper->password);
1509 cleanup_helper(helper);
1510 ret = SEC_E_OK;
1511 }
1512 else
1513 ret = SEC_E_OK;
1514
1515 return ret;
1516 }
1517
1518 /***********************************************************************
1519 * EncryptMessage
1520 */
1521 static SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle phContext,
1522 ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
1523 {
1524 PNegoHelper helper;
1525 int token_idx;
1526
1527 TRACE("(%p %d %p %d)\n", phContext, fQOP, pMessage, MessageSeqNo);
1528
1529 if(!phContext)
1530 return SEC_E_INVALID_HANDLE;
1531
1532 if(fQOP)
1533 FIXME("Ignoring fQOP\n");
1534
1535 if(MessageSeqNo)
1536 FIXME("Ignoring MessageSeqNo\n");
1537
1538 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1539 return SEC_E_INVALID_TOKEN;
1540
1541 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1542 return SEC_E_INVALID_TOKEN;
1543
1544 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1545 return SEC_E_BUFFER_TOO_SMALL;
1546
1547 helper = (PNegoHelper) phContext->dwLower;
1548
1549 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1550 helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1551 {
1552 ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1553 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1554 (BYTE *)pMessage->pBuffers[1].pvBuffer,
1555 pMessage->pBuffers[1].cbBuffer);
1556
1557 if(helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1558 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1559 ((BYTE *)pMessage->pBuffers[token_idx].pvBuffer)+4, 8);
1560
1561
1562 return SEC_E_OK;
1563 }
1564 else
1565 {
1566 PBYTE sig;
1567 ULONG save_flags;
1568
1569 /* EncryptMessage always produces real signatures, so make sure
1570 * NTLMSSP_NEGOTIATE_SIGN is set*/
1571 save_flags = helper->neg_flags;
1572 helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1573 ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1574 helper->neg_flags = save_flags;
1575
1576 sig = pMessage->pBuffers[token_idx].pvBuffer;
1577
1578 SECUR32_arc4Process(helper->crypt.ntlm.a4i, pMessage->pBuffers[1].pvBuffer,
1579 pMessage->pBuffers[1].cbBuffer);
1580 SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1581
1582 if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1583 memset(sig+4, 0, 4);
1584
1585 }
1586
1587 return SEC_E_OK;
1588 }
1589
1590 /***********************************************************************
1591 * DecryptMessage
1592 */
1593 static SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle phContext,
1594 PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1595 {
1596 SECURITY_STATUS ret;
1597 ULONG ntlmssp_flags_save;
1598 PNegoHelper helper;
1599 int token_idx;
1600 TRACE("(%p %p %d %p)\n", phContext, pMessage, MessageSeqNo, pfQOP);
1601
1602 if(!phContext)
1603 return SEC_E_INVALID_HANDLE;
1604
1605 if(MessageSeqNo)
1606 FIXME("Ignoring MessageSeqNo\n");
1607
1608 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1609 return SEC_E_INVALID_TOKEN;
1610
1611 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1612 return SEC_E_INVALID_TOKEN;
1613
1614 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1615 return SEC_E_BUFFER_TOO_SMALL;
1616
1617 helper = (PNegoHelper) phContext->dwLower;
1618
1619 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 && helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1620 {
1621 SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i,
1622 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1623 }
1624 else
1625 {
1626 SECUR32_arc4Process(helper->crypt.ntlm.a4i,
1627 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1628 }
1629
1630 /* Make sure we use a session key for the signature check, EncryptMessage
1631 * always does that, even in the dummy case */
1632 ntlmssp_flags_save = helper->neg_flags;
1633
1634 helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1635 ret = ntlm_VerifySignature(phContext, pMessage, MessageSeqNo, pfQOP);
1636
1637 helper->neg_flags = ntlmssp_flags_save;
1638
1639 return ret;
1640 }
1641
1642 static const SecurityFunctionTableA ntlmTableA = {
1643 1,
1644 NULL, /* EnumerateSecurityPackagesA */
1645 ntlm_QueryCredentialsAttributesA, /* QueryCredentialsAttributesA */
1646 ntlm_AcquireCredentialsHandleA, /* AcquireCredentialsHandleA */
1647 ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
1648 NULL, /* Reserved2 */
1649 ntlm_InitializeSecurityContextA, /* InitializeSecurityContextA */
1650 ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
1651 ntlm_CompleteAuthToken, /* CompleteAuthToken */
1652 ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
1653 NULL, /* ApplyControlToken */
1654 ntlm_QueryContextAttributesA, /* QueryContextAttributesA */
1655 ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
1656 ntlm_RevertSecurityContext, /* RevertSecurityContext */
1657 ntlm_MakeSignature, /* MakeSignature */
1658 ntlm_VerifySignature, /* VerifySignature */
1659 FreeContextBuffer, /* FreeContextBuffer */
1660 NULL, /* QuerySecurityPackageInfoA */
1661 NULL, /* Reserved3 */
1662 NULL, /* Reserved4 */
1663 NULL, /* ExportSecurityContext */
1664 NULL, /* ImportSecurityContextA */
1665 NULL, /* AddCredentialsA */
1666 NULL, /* Reserved8 */
1667 NULL, /* QuerySecurityContextToken */
1668 ntlm_EncryptMessage, /* EncryptMessage */
1669 ntlm_DecryptMessage, /* DecryptMessage */
1670 NULL, /* SetContextAttributesA */
1671 };
1672
1673 static const SecurityFunctionTableW ntlmTableW = {
1674 1,
1675 NULL, /* EnumerateSecurityPackagesW */
1676 ntlm_QueryCredentialsAttributesW, /* QueryCredentialsAttributesW */
1677 ntlm_AcquireCredentialsHandleW, /* AcquireCredentialsHandleW */
1678 ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
1679 NULL, /* Reserved2 */
1680 ntlm_InitializeSecurityContextW, /* InitializeSecurityContextW */
1681 ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
1682 ntlm_CompleteAuthToken, /* CompleteAuthToken */
1683 ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
1684 NULL, /* ApplyControlToken */
1685 ntlm_QueryContextAttributesW, /* QueryContextAttributesW */
1686 ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
1687 ntlm_RevertSecurityContext, /* RevertSecurityContext */
1688 ntlm_MakeSignature, /* MakeSignature */
1689 ntlm_VerifySignature, /* VerifySignature */
1690 FreeContextBuffer, /* FreeContextBuffer */
1691 NULL, /* QuerySecurityPackageInfoW */
1692 NULL, /* Reserved3 */
1693 NULL, /* Reserved4 */
1694 NULL, /* ExportSecurityContext */
1695 NULL, /* ImportSecurityContextW */
1696 NULL, /* AddCredentialsW */
1697 NULL, /* Reserved8 */
1698 NULL, /* QuerySecurityContextToken */
1699 ntlm_EncryptMessage, /* EncryptMessage */
1700 ntlm_DecryptMessage, /* DecryptMessage */
1701 NULL, /* SetContextAttributesW */
1702 };
1703
1704 #define NTLM_COMMENT \
1705 { 'N', 'T', 'L', 'M', ' ', \
1706 'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1707 'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1708
1709 static CHAR ntlm_comment_A[] = NTLM_COMMENT;
1710 static WCHAR ntlm_comment_W[] = NTLM_COMMENT;
1711
1712 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1713
1714 static char ntlm_name_A[] = NTLM_NAME;
1715 static WCHAR ntlm_name_W[] = NTLM_NAME;
1716
1717 /* According to Windows, NTLM has the following capabilities. */
1718 #define CAPS ( \
1719 SECPKG_FLAG_INTEGRITY | \
1720 SECPKG_FLAG_PRIVACY | \
1721 SECPKG_FLAG_TOKEN_ONLY | \
1722 SECPKG_FLAG_CONNECTION | \
1723 SECPKG_FLAG_MULTI_REQUIRED | \
1724 SECPKG_FLAG_IMPERSONATION | \
1725 SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1726 SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1727
1728 static const SecPkgInfoW infoW = {
1729 CAPS,
1730 1,
1731 RPC_C_AUTHN_WINNT,
1732 NTLM_MAX_BUF,
1733 ntlm_name_W,
1734 ntlm_comment_W
1735 };
1736
1737 static const SecPkgInfoA infoA = {
1738 CAPS,
1739 1,
1740 RPC_C_AUTHN_WINNT,
1741 NTLM_MAX_BUF,
1742 ntlm_name_A,
1743 ntlm_comment_A
1744 };
1745
1746 void SECUR32_initNTLMSP(void)
1747 {
1748 SECURITY_STATUS ret;
1749 PNegoHelper helper;
1750 static CHAR version[] = "--version";
1751
1752 SEC_CHAR *args[] = {
1753 ntlm_auth,
1754 version,
1755 NULL };
1756
1757 if((ret = fork_helper(&helper, ntlm_auth, args)) != SEC_E_OK)
1758 {
1759 /* Cheat and allocate a helper anyway, so cleanup later will work. */
1760 helper = HeapAlloc(GetProcessHeap(),0, sizeof(PNegoHelper));
1761 helper->major = helper->minor = helper->micro = -1;
1762 }
1763 else
1764 check_version(helper);
1765
1766 if( (helper->major > MIN_NTLM_AUTH_MAJOR_VERSION) ||
1767 (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION &&
1768 helper->minor > MIN_NTLM_AUTH_MINOR_VERSION) ||
1769 (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION &&
1770 helper->minor == MIN_NTLM_AUTH_MINOR_VERSION &&
1771 helper->micro >= MIN_NTLM_AUTH_MICRO_VERSION) )
1772 {
1773 SecureProvider *provider = SECUR32_addProvider(&ntlmTableA, &ntlmTableW, NULL);
1774 SECUR32_addPackages(provider, 1L, &infoA, &infoW);
1775 }
1776 else
1777 {
1778 ERR("%s was not found or is outdated. "
1779 "Make sure that ntlm_auth >= %d.%d.%d is in your path.\n",
1780 ntlm_auth,
1781 MIN_NTLM_AUTH_MAJOR_VERSION,
1782 MIN_NTLM_AUTH_MINOR_VERSION,
1783 MIN_NTLM_AUTH_MICRO_VERSION);
1784 }
1785 cleanup_helper(helper);
1786 }
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