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ntdll: Reimplement TIME_GetBias using new time zone code.
[wine/multimedia.git] / dlls / secur32 / ntlm.c
blob21fbc59c9ef7083075b7d3639abd953636f7a1b8
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 typedef struct _NtlmCredentials
44 {
45 HelperMode mode;
46
47 /* these are all in the Unix codepage */
48 char *username_arg;
49 char *domain_arg;
50 char *password; /* not nul-terminated */
51 int pwlen;
52 } NtlmCredentials, *PNtlmCredentials;
53
54 /***********************************************************************
55 * QueryCredentialsAttributesA
56 */
57 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesA(
58 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
59 {
60 SECURITY_STATUS ret;
61
62 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
63
64 if(ulAttribute == SECPKG_ATTR_NAMES)
65 {
66 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
67 ret = SEC_E_UNSUPPORTED_FUNCTION;
68 }
69 else
70 ret = SEC_E_UNSUPPORTED_FUNCTION;
71
72 return ret;
73 }
74
75 /***********************************************************************
76 * QueryCredentialsAttributesW
77 */
78 static SECURITY_STATUS SEC_ENTRY ntlm_QueryCredentialsAttributesW(
79 PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
80 {
81 SECURITY_STATUS ret;
82
83 TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
84
85 if(ulAttribute == SECPKG_ATTR_NAMES)
86 {
87 FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
88 ret = SEC_E_UNSUPPORTED_FUNCTION;
89 }
90 else
91 ret = SEC_E_UNSUPPORTED_FUNCTION;
92
93 return ret;
94 }
95
96 /***********************************************************************
97 * AcquireCredentialsHandleW
98 */
99 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleW(
100 SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
101 PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
102 PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
103 {
104 SECURITY_STATUS ret;
105 PNtlmCredentials ntlm_cred = NULL;
106 SEC_WCHAR *username = NULL, *domain = NULL;
107
108 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
109 debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
110 pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
111
112 switch(fCredentialUse)
113 {
114 case SECPKG_CRED_INBOUND:
115 ntlm_cred = HeapAlloc(GetProcessHeap(), 0, sizeof(*ntlm_cred));
116 if (!ntlm_cred)
117 ret = SEC_E_INSUFFICIENT_MEMORY;
118 else
119 {
120 ntlm_cred->mode = NTLM_SERVER;
121 ntlm_cred->username_arg = NULL;
122 ntlm_cred->domain_arg = NULL;
123 ntlm_cred->password = NULL;
124 ntlm_cred->pwlen = 0;
125 phCredential->dwUpper = fCredentialUse;
126 phCredential->dwLower = (ULONG_PTR)ntlm_cred;
127 ret = SEC_E_OK;
128 }
129 break;
130 case SECPKG_CRED_OUTBOUND:
131 {
132 static const char username_arg[] = "--username=";
133 static const char domain_arg[] = "--domain=";
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
180 ntlm_cred = HeapAlloc(GetProcessHeap(), 0, sizeof(*ntlm_cred));
181 if (!ntlm_cred)
182 {
183 ret = SEC_E_INSUFFICIENT_MEMORY;
184 break;
185 }
186 ntlm_cred->mode = NTLM_CLIENT;
187 ntlm_cred->password = NULL;
188 ntlm_cred->pwlen = 0;
189
190 TRACE("Username is %s\n", debugstr_w(username));
191 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
192 username, -1, NULL, 0, NULL, NULL) + sizeof(username_arg);
193 ntlm_cred->username_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
194 memcpy(ntlm_cred->username_arg, username_arg, sizeof(username_arg) - 1);
195 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, username, -1,
196 ntlm_cred->username_arg + sizeof(username_arg) - 1,
197 unixcp_size - sizeof(username_arg) + 1, NULL, NULL);
198
199 TRACE("Domain name is %s\n", debugstr_w(domain));
200 unixcp_size = WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
201 domain, -1, NULL, 0, NULL, NULL) + sizeof(domain_arg);
202 ntlm_cred->domain_arg = HeapAlloc(GetProcessHeap(), 0, unixcp_size);
203 memcpy(ntlm_cred->domain_arg, domain_arg, sizeof(domain_arg) - 1);
204 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS, domain,
205 -1, ntlm_cred->domain_arg + sizeof(domain_arg) - 1,
206 unixcp_size - sizeof(domain) + 1, NULL, NULL);
207
208 if(pAuthData != NULL)
209 {
210 PSEC_WINNT_AUTH_IDENTITY_W auth_data =
211 (PSEC_WINNT_AUTH_IDENTITY_W)pAuthData;
212
213 if(auth_data->PasswordLength != 0)
214 {
215 ntlm_cred->pwlen = WideCharToMultiByte(CP_UNIXCP,
216 WC_NO_BEST_FIT_CHARS, auth_data->Password,
217 auth_data->PasswordLength, NULL, 0, NULL,
218 NULL);
219
220 ntlm_cred->password = HeapAlloc(GetProcessHeap(), 0,
221 ntlm_cred->pwlen);
222
223 WideCharToMultiByte(CP_UNIXCP, WC_NO_BEST_FIT_CHARS,
224 auth_data->Password, auth_data->PasswordLength,
225 ntlm_cred->password, ntlm_cred->pwlen, NULL, NULL);
226 }
227 }
228
229 phCredential->dwUpper = fCredentialUse;
230 phCredential->dwLower = (ULONG_PTR)ntlm_cred;
231 TRACE("ACH phCredential->dwUpper: 0x%08lx, dwLower: 0x%08lx\n",
232 phCredential->dwUpper, phCredential->dwLower);
233 ret = SEC_E_OK;
234 break;
235 }
236 case SECPKG_CRED_BOTH:
237 FIXME("AcquireCredentialsHandle: SECPKG_CRED_BOTH stub\n");
238 ret = SEC_E_UNSUPPORTED_FUNCTION;
239 phCredential = NULL;
240 break;
241 default:
242 phCredential = NULL;
243 ret = SEC_E_UNKNOWN_CREDENTIALS;
244 }
245
246 HeapFree(GetProcessHeap(), 0, username);
247 HeapFree(GetProcessHeap(), 0, domain);
248
249 return ret;
250 }
251
252 /***********************************************************************
253 * AcquireCredentialsHandleA
254 */
255 static SECURITY_STATUS SEC_ENTRY ntlm_AcquireCredentialsHandleA(
256 SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
257 PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
258 PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
259 {
260 SECURITY_STATUS ret;
261 int user_sizeW, domain_sizeW, passwd_sizeW;
262
263 SEC_WCHAR *user = NULL, *domain = NULL, *passwd = NULL, *package = NULL;
264
265 PSEC_WINNT_AUTH_IDENTITY_W pAuthDataW = NULL;
266 PSEC_WINNT_AUTH_IDENTITY_A identity = NULL;
267
268 TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
269 debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
270 pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
271
272 if(pszPackage != NULL)
273 {
274 int package_sizeW = MultiByteToWideChar(CP_ACP, 0, pszPackage, -1,
275 NULL, 0);
276
277 package = HeapAlloc(GetProcessHeap(), 0, package_sizeW *
278 sizeof(SEC_WCHAR));
279 MultiByteToWideChar(CP_ACP, 0, pszPackage, -1, package, package_sizeW);
280 }
281
282
283 if(pAuthData != NULL)
284 {
285 identity = (PSEC_WINNT_AUTH_IDENTITY_A)pAuthData;
286
287 if(identity->Flags == SEC_WINNT_AUTH_IDENTITY_ANSI)
288 {
289 pAuthDataW = HeapAlloc(GetProcessHeap(), 0,
290 sizeof(SEC_WINNT_AUTH_IDENTITY_W));
291
292 if(identity->UserLength != 0)
293 {
294 user_sizeW = MultiByteToWideChar(CP_ACP, 0,
295 (LPCSTR)identity->User, identity->UserLength, NULL, 0);
296 user = HeapAlloc(GetProcessHeap(), 0, user_sizeW *
297 sizeof(SEC_WCHAR));
298 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->User,
299 identity->UserLength, user, user_sizeW);
300 }
301 else
302 {
303 user_sizeW = 0;
304 }
305
306 if(identity->DomainLength != 0)
307 {
308 domain_sizeW = MultiByteToWideChar(CP_ACP, 0,
309 (LPCSTR)identity->Domain, identity->DomainLength, NULL, 0);
310 domain = HeapAlloc(GetProcessHeap(), 0, domain_sizeW
311 * sizeof(SEC_WCHAR));
312 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Domain,
313 identity->DomainLength, domain, domain_sizeW);
314 }
315 else
316 {
317 domain_sizeW = 0;
318 }
319
320 if(identity->PasswordLength != 0)
321 {
322 passwd_sizeW = MultiByteToWideChar(CP_ACP, 0,
323 (LPCSTR)identity->Password, identity->PasswordLength,
324 NULL, 0);
325 passwd = HeapAlloc(GetProcessHeap(), 0, passwd_sizeW
326 * sizeof(SEC_WCHAR));
327 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)identity->Password,
328 identity->PasswordLength, passwd, passwd_sizeW);
329 }
330 else
331 {
332 passwd_sizeW = 0;
333 }
334
335 pAuthDataW->Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
336 pAuthDataW->User = user;
337 pAuthDataW->UserLength = user_sizeW;
338 pAuthDataW->Domain = domain;
339 pAuthDataW->DomainLength = domain_sizeW;
340 pAuthDataW->Password = passwd;
341 pAuthDataW->PasswordLength = passwd_sizeW;
342 }
343 else
344 {
345 pAuthDataW = (PSEC_WINNT_AUTH_IDENTITY_W)identity;
346 }
347 }
348
349 ret = ntlm_AcquireCredentialsHandleW(NULL, package, fCredentialUse,
350 pLogonID, pAuthDataW, pGetKeyFn, pGetKeyArgument, phCredential,
351 ptsExpiry);
352
353 HeapFree(GetProcessHeap(), 0, package);
354 HeapFree(GetProcessHeap(), 0, user);
355 HeapFree(GetProcessHeap(), 0, domain);
356 HeapFree(GetProcessHeap(), 0, passwd);
357 if(pAuthDataW != (PSEC_WINNT_AUTH_IDENTITY_W)identity)
358 HeapFree(GetProcessHeap(), 0, pAuthDataW);
359
360 return ret;
361 }
362
363 /*************************************************************************
364 * ntlm_GetTokenBufferIndex
365 * Calculates the index of the secbuffer with BufferType == SECBUFFER_TOKEN
366 * Returns index if found or -1 if not found.
367 */
368 static int ntlm_GetTokenBufferIndex(PSecBufferDesc pMessage)
369 {
370 UINT i;
371
372 TRACE("%p\n", pMessage);
373
374 for( i = 0; i < pMessage->cBuffers; ++i )
375 {
376 if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
377 return i;
378 }
379
380 return -1;
381 }
382
383 /***********************************************************************
384 * InitializeSecurityContextW
385 */
386 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextW(
387 PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
388 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
389 PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
390 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
391 {
392 SECURITY_STATUS ret;
393 PNtlmCredentials ntlm_cred = NULL;
394 PNegoHelper helper = NULL;
395 ULONG ctxt_attr = 0;
396 char* buffer, *want_flags = NULL;
397 PBYTE bin;
398 int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
399 int token_idx;
400
401 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
402 debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
403 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
404
405 /****************************************
406 * When communicating with the client, there can be the
407 * following reply packets:
408 * YR <base64 blob> should be sent to the server
409 * PW should be sent back to helper with
410 * base64 encoded password
411 * AF <base64 blob> client is done, blob should be
412 * sent to server with KK prefixed
413 * GF <string list> A string list of negotiated flags
414 * GK <base64 blob> base64 encoded session key
415 * BH <char reason> something broke
416 */
417 /* The squid cache size is 2010 chars, and that's what ntlm_auth uses */
418
419 if (pszTargetName)
420 {
421 TRACE("According to a MS whitepaper pszTargetName is ignored.\n");
422 }
423
424 if(TargetDataRep == SECURITY_NETWORK_DREP){
425 TRACE("Setting SECURITY_NETWORK_DREP\n");
426 }
427
428 buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
429 bin = HeapAlloc(GetProcessHeap(), 0, sizeof(BYTE) * NTLM_MAX_BUF);
430
431 if((phContext == NULL) && (pInput == NULL))
432 {
433 static char helper_protocol[] = "--helper-protocol=ntlmssp-client-1";
434 static CHAR credentials_argv[] = "--use-cached-creds";
435 SEC_CHAR *client_argv[6];
436
437 TRACE("First time in ISC()\n");
438
439 if(!phCredential)
440 return SEC_E_INVALID_HANDLE;
441
442 /* As the server side of sspi never calls this, make sure that
443 * the handler is a client handler.
444 */
445 ntlm_cred = (PNtlmCredentials)phCredential->dwLower;
446 if(ntlm_cred->mode != NTLM_CLIENT)
447 {
448 TRACE("Cred mode = %d\n", ntlm_cred->mode);
449 return SEC_E_INVALID_HANDLE;
450 }
451
452 client_argv[0] = ntlm_auth;
453 client_argv[1] = helper_protocol;
454 client_argv[2] = ntlm_cred->username_arg;
455 client_argv[3] = ntlm_cred->domain_arg;
456 client_argv[4] = credentials_argv;
457 client_argv[5] = NULL;
458
459 if((ret = fork_helper(&helper, ntlm_auth, client_argv)) != SEC_E_OK)
460 goto isc_end;
461
462 helper->mode = NTLM_CLIENT;
463 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
464 if (!helper->session_key)
465 {
466 cleanup_helper(helper);
467 ret = SEC_E_INSUFFICIENT_MEMORY;
468 goto isc_end;
469 }
470
471 /* Generate the dummy session key = MD4(MD4(password))*/
472 if(ntlm_cred->password)
473 {
474 SEC_WCHAR *unicode_password;
475 int passwd_lenW;
476
477 TRACE("Converting password to unicode.\n");
478 passwd_lenW = MultiByteToWideChar(CP_ACP, 0,
479 (LPCSTR)ntlm_cred->password, ntlm_cred->pwlen,
480 NULL, 0);
481 unicode_password = HeapAlloc(GetProcessHeap(), 0,
482 passwd_lenW * sizeof(SEC_WCHAR));
483 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)ntlm_cred->password,
484 ntlm_cred->pwlen, unicode_password, passwd_lenW);
485
486 SECUR32_CreateNTLMv1SessionKey((PBYTE)unicode_password,
487 passwd_lenW * sizeof(SEC_WCHAR), helper->session_key);
488
489 HeapFree(GetProcessHeap(), 0, unicode_password);
490 }
491 else
492 memset(helper->session_key, 0, 16);
493
494 /* Allocate space for a maximal string of
495 * "SF NTLMSSP_FEATURE_SIGN NTLMSSP_FEATURE_SEAL
496 * NTLMSSP_FEATURE_SESSION_KEY"
497 */
498 want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
499 if(want_flags == NULL)
500 {
501 cleanup_helper(helper);
502 ret = SEC_E_INSUFFICIENT_MEMORY;
503 goto isc_end;
504 }
505 lstrcpyA(want_flags, "SF");
506 if(fContextReq & ISC_REQ_CONFIDENTIALITY)
507 {
508 char *ptr;
509 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SEAL")) == NULL)
510 lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
511 }
512 if(fContextReq & ISC_REQ_CONNECTION)
513 ctxt_attr |= ISC_RET_CONNECTION;
514 if(fContextReq & ISC_REQ_EXTENDED_ERROR)
515 ctxt_attr |= ISC_RET_EXTENDED_ERROR;
516 if(fContextReq & ISC_REQ_INTEGRITY)
517 {
518 char *ptr;
519 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
520 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
521 }
522 if(fContextReq & ISC_REQ_MUTUAL_AUTH)
523 ctxt_attr |= ISC_RET_MUTUAL_AUTH;
524 if(fContextReq & ISC_REQ_REPLAY_DETECT)
525 {
526 char *ptr;
527 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
528 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
529 }
530 if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
531 {
532 char *ptr;
533 if((ptr = strstr(want_flags, "NTLMSSP_FEATURE_SIGN")) == NULL)
534 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
535 }
536 if(fContextReq & ISC_REQ_STREAM)
537 FIXME("ISC_REQ_STREAM\n");
538 if(fContextReq & ISC_REQ_USE_DCE_STYLE)
539 ctxt_attr |= ISC_RET_USED_DCE_STYLE;
540 if(fContextReq & ISC_REQ_DELEGATE)
541 ctxt_attr |= ISC_RET_DELEGATE;
542
543 /* If no password is given, try to use cached credentials. Fall back to an empty
544 * password if this failed. */
545 if(ntlm_cred->password == NULL)
546 {
547 lstrcpynA(buffer, "OK", max_len-1);
548 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
549 {
550 cleanup_helper(helper);
551 goto isc_end;
552 }
553 /* If the helper replied with "PW", using cached credentials failed */
554 if(!strncmp(buffer, "PW", 2))
555 {
556 TRACE("Using cached credentials failed. Using empty password.\n");
557 lstrcpynA(buffer, "PW AA==", max_len-1);
558 }
559 else /* Just do a noop on the next run */
560 lstrcpynA(buffer, "OK", max_len-1);
561 }
562 else
563 {
564 lstrcpynA(buffer, "PW ", max_len-1);
565 if((ret = encodeBase64((unsigned char*)ntlm_cred->password,
566 ntlm_cred->pwlen, buffer+3,
567 max_len-3, &buffer_len)) != SEC_E_OK)
568 {
569 cleanup_helper(helper);
570 goto isc_end;
571 }
572
573 }
574
575 TRACE("Sending to helper: %s\n", debugstr_a(buffer));
576 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
577 {
578 cleanup_helper(helper);
579 goto isc_end;
580 }
581
582 TRACE("Helper returned %s\n", debugstr_a(buffer));
583
584 if(lstrlenA(want_flags) > 2)
585 {
586 TRACE("Want flags are %s\n", debugstr_a(want_flags));
587 lstrcpynA(buffer, want_flags, max_len-1);
588 if((ret = run_helper(helper, buffer, max_len, &buffer_len))
589 != SEC_E_OK)
590 goto isc_end;
591 if(!strncmp(buffer, "BH", 2))
592 ERR("Helper doesn't understand new command set. Expect more things to fail.\n");
593 }
594
595 lstrcpynA(buffer, "YR", max_len-1);
596
597 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
598 {
599 cleanup_helper(helper);
600 goto isc_end;
601 }
602
603 TRACE("%s\n", buffer);
604
605 if(strncmp(buffer, "YR ", 3) != 0)
606 {
607 /* Something borked */
608 TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
609 ret = SEC_E_INTERNAL_ERROR;
610 cleanup_helper(helper);
611 goto isc_end;
612 }
613 if((ret = decodeBase64(buffer+3, buffer_len-3, bin,
614 max_len-1, &bin_len)) != SEC_E_OK)
615 {
616 cleanup_helper(helper);
617 goto isc_end;
618 }
619
620 /* put the decoded client blob into the out buffer */
621
622 phNewContext->dwUpper = ctxt_attr;
623 phNewContext->dwLower = (ULONG_PTR)helper;
624
625 ret = SEC_I_CONTINUE_NEEDED;
626 }
627 else
628 {
629 int input_token_idx;
630
631 /* handle second call here */
632 /* encode server data to base64 */
633 if (!pInput || ((input_token_idx = ntlm_GetTokenBufferIndex(pInput)) == -1))
634 {
635 ret = SEC_E_INVALID_TOKEN;
636 goto isc_end;
637 }
638
639 if(!phContext)
640 return SEC_E_INVALID_HANDLE;
641
642 /* As the server side of sspi never calls this, make sure that
643 * the handler is a client handler.
644 */
645 helper = (PNegoHelper)phContext->dwLower;
646 if(helper->mode != NTLM_CLIENT)
647 {
648 TRACE("Helper mode = %d\n", helper->mode);
649 return SEC_E_INVALID_HANDLE;
650 }
651
652 if (!pInput->pBuffers[input_token_idx].pvBuffer)
653 {
654 ret = SEC_E_INTERNAL_ERROR;
655 goto isc_end;
656 }
657
658 if(pInput->pBuffers[input_token_idx].cbBuffer > max_len)
659 {
660 TRACE("pInput->pBuffers[%d].cbBuffer is: %ld\n",
661 input_token_idx,
662 pInput->pBuffers[input_token_idx].cbBuffer);
663 ret = SEC_E_INVALID_TOKEN;
664 goto isc_end;
665 }
666 else
667 bin_len = pInput->pBuffers[input_token_idx].cbBuffer;
668
669 memcpy(bin, pInput->pBuffers[input_token_idx].pvBuffer, bin_len);
670
671 lstrcpynA(buffer, "TT ", max_len-1);
672
673 if((ret = encodeBase64(bin, bin_len, buffer+3,
674 max_len-3, &buffer_len)) != SEC_E_OK)
675 goto isc_end;
676
677 TRACE("Server sent: %s\n", debugstr_a(buffer));
678
679 /* send TT base64 blob to ntlm_auth */
680 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
681 goto isc_end;
682
683 TRACE("Helper replied: %s\n", debugstr_a(buffer));
684
685 if( (strncmp(buffer, "KK ", 3) != 0) &&
686 (strncmp(buffer, "AF ", 3) !=0))
687 {
688 TRACE("Helper returned %c%c\n", buffer[0], buffer[1]);
689 ret = SEC_E_INVALID_TOKEN;
690 goto isc_end;
691 }
692
693 /* decode the blob and send it to server */
694 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
695 &bin_len)) != SEC_E_OK)
696 {
697 goto isc_end;
698 }
699
700 phNewContext->dwUpper = ctxt_attr;
701 phNewContext->dwLower = (ULONG_PTR)helper;
702
703 ret = SEC_E_OK;
704 }
705
706 /* put the decoded client blob into the out buffer */
707
708 if (!pOutput || ((token_idx = ntlm_GetTokenBufferIndex(pOutput)) == -1))
709 {
710 TRACE("no SECBUFFER_TOKEN buffer could be found\n");
711 ret = SEC_E_BUFFER_TOO_SMALL;
712 if ((phContext == NULL) && (pInput == NULL))
713 {
714 cleanup_helper(helper);
715 phNewContext->dwUpper = 0;
716 phNewContext->dwLower = 0;
717 }
718 goto isc_end;
719 }
720
721 if (fContextReq & ISC_REQ_ALLOCATE_MEMORY)
722 {
723 pOutput->pBuffers[token_idx].pvBuffer = SECUR32_ALLOC(bin_len);
724 pOutput->pBuffers[token_idx].cbBuffer = bin_len;
725 }
726 else if (pOutput->pBuffers[token_idx].cbBuffer < bin_len)
727 {
728 TRACE("out buffer is NULL or has not enough space\n");
729 ret = SEC_E_BUFFER_TOO_SMALL;
730 if ((phContext == NULL) && (pInput == NULL))
731 {
732 cleanup_helper(helper);
733 phNewContext->dwUpper = 0;
734 phNewContext->dwLower = 0;
735 }
736 goto isc_end;
737 }
738
739 if (!pOutput->pBuffers[token_idx].pvBuffer)
740 {
741 TRACE("out buffer is NULL\n");
742 ret = SEC_E_INTERNAL_ERROR;
743 if ((phContext == NULL) && (pInput == NULL))
744 {
745 cleanup_helper(helper);
746 phNewContext->dwUpper = 0;
747 phNewContext->dwLower = 0;
748 }
749 goto isc_end;
750 }
751
752 pOutput->pBuffers[token_idx].cbBuffer = bin_len;
753 memcpy(pOutput->pBuffers[token_idx].pvBuffer, bin, bin_len);
754
755 if(ret == SEC_E_OK)
756 {
757 TRACE("Getting negotiated flags\n");
758 lstrcpynA(buffer, "GF", max_len - 1);
759 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
760 goto isc_end;
761
762 if(buffer_len < 3)
763 {
764 TRACE("No flags negotiated.\n");
765 helper->neg_flags = 0l;
766 }
767 else
768 {
769 TRACE("Negotiated %s\n", debugstr_a(buffer));
770 sscanf(buffer + 3, "%lx", &(helper->neg_flags));
771 TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
772 }
773
774 TRACE("Getting session key\n");
775 lstrcpynA(buffer, "GK", max_len - 1);
776 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
777 goto isc_end;
778
779 if(strncmp(buffer, "BH", 2) == 0)
780 TRACE("No key negotiated.\n");
781 else if(strncmp(buffer, "GK ", 3) == 0)
782 {
783 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
784 &bin_len)) != SEC_E_OK)
785 {
786 TRACE("Failed to decode session key\n");
787 }
788 TRACE("Session key is %s\n", debugstr_a(buffer+3));
789 HeapFree(GetProcessHeap(), 0, helper->session_key);
790 helper->session_key = HeapAlloc(GetProcessHeap(), 0, bin_len);
791 if(!helper->session_key)
792 {
793 TRACE("Failed to allocate memory for session key\n");
794 ret = SEC_E_INTERNAL_ERROR;
795 goto isc_end;
796 }
797 memcpy(helper->session_key, bin, bin_len);
798 }
799
800 helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
801 SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
802 helper->crypt.ntlm.seq_num = 0l;
803 SECUR32_CreateNTLMv2SubKeys(helper);
804 helper->crypt.ntlm2.send_a4i = SECUR32_arc4Alloc();
805 helper->crypt.ntlm2.recv_a4i = SECUR32_arc4Alloc();
806 SECUR32_arc4Init(helper->crypt.ntlm2.send_a4i,
807 (BYTE *)helper->crypt.ntlm2.send_seal_key, 16);
808 SECUR32_arc4Init(helper->crypt.ntlm2.recv_a4i,
809 (BYTE *)helper->crypt.ntlm2.recv_seal_key, 16);
810 helper->crypt.ntlm2.send_seq_no = 0l;
811 helper->crypt.ntlm2.recv_seq_no = 0l;
812 }
813
814 isc_end:
815 HeapFree(GetProcessHeap(), 0, want_flags);
816 HeapFree(GetProcessHeap(), 0, buffer);
817 HeapFree(GetProcessHeap(), 0, bin);
818 return ret;
819 }
820
821 /***********************************************************************
822 * InitializeSecurityContextA
823 */
824 static SECURITY_STATUS SEC_ENTRY ntlm_InitializeSecurityContextA(
825 PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
826 ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
827 PSecBufferDesc pInput,ULONG Reserved2, PCtxtHandle phNewContext,
828 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
829 {
830 SECURITY_STATUS ret;
831 SEC_WCHAR *target = NULL;
832
833 TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
834 debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
835 Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
836
837 if(pszTargetName != NULL)
838 {
839 int target_size = MultiByteToWideChar(CP_ACP, 0, pszTargetName,
840 strlen(pszTargetName)+1, NULL, 0);
841 target = HeapAlloc(GetProcessHeap(), 0, target_size *
842 sizeof(SEC_WCHAR));
843 MultiByteToWideChar(CP_ACP, 0, pszTargetName, strlen(pszTargetName)+1,
844 target, target_size);
845 }
846
847 ret = ntlm_InitializeSecurityContextW(phCredential, phContext, target,
848 fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
849 phNewContext, pOutput, pfContextAttr, ptsExpiry);
850
851 HeapFree(GetProcessHeap(), 0, target);
852 return ret;
853 }
854
855 /***********************************************************************
856 * AcceptSecurityContext
857 */
858 static SECURITY_STATUS SEC_ENTRY ntlm_AcceptSecurityContext(
859 PCredHandle phCredential, PCtxtHandle phContext, PSecBufferDesc pInput,
860 ULONG fContextReq, ULONG TargetDataRep, PCtxtHandle phNewContext,
861 PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
862 {
863 SECURITY_STATUS ret;
864 char *buffer, *want_flags = NULL;
865 PBYTE bin;
866 int buffer_len, bin_len, max_len = NTLM_MAX_BUF;
867 ULONG ctxt_attr = 0;
868 PNegoHelper helper;
869 PNtlmCredentials ntlm_cred;
870
871 TRACE("%p %p %p %d %d %p %p %p %p\n", phCredential, phContext, pInput,
872 fContextReq, TargetDataRep, phNewContext, pOutput, pfContextAttr,
873 ptsExpiry);
874
875 buffer = HeapAlloc(GetProcessHeap(), 0, sizeof(char) * NTLM_MAX_BUF);
876 bin = HeapAlloc(GetProcessHeap(),0, sizeof(BYTE) * NTLM_MAX_BUF);
877
878 if(TargetDataRep == SECURITY_NETWORK_DREP){
879 TRACE("Using SECURITY_NETWORK_DREP\n");
880 }
881
882 if(phContext == NULL)
883 {
884 static CHAR server_helper_protocol[] = "--helper-protocol=squid-2.5-ntlmssp";
885 SEC_CHAR *server_argv[] = { ntlm_auth,
886 server_helper_protocol,
887 NULL };
888
889 if (!phCredential)
890 {
891 ret = SEC_E_INVALID_HANDLE;
892 goto asc_end;
893 }
894
895 ntlm_cred = (PNtlmCredentials)phCredential->dwLower;
896
897 if(ntlm_cred->mode != NTLM_SERVER)
898 {
899 ret = SEC_E_INVALID_HANDLE;
900 goto asc_end;
901 }
902
903 /* This is the first call to AcceptSecurityHandle */
904 if(pInput == NULL)
905 {
906 ret = SEC_E_INCOMPLETE_MESSAGE;
907 goto asc_end;
908 }
909
910 if(pInput->cBuffers < 1)
911 {
912 ret = SEC_E_INCOMPLETE_MESSAGE;
913 goto asc_end;
914 }
915
916 if(pInput->pBuffers[0].cbBuffer > max_len)
917 {
918 ret = SEC_E_INVALID_TOKEN;
919 goto asc_end;
920 }
921 else
922 bin_len = pInput->pBuffers[0].cbBuffer;
923
924 if( (ret = fork_helper(&helper, ntlm_auth, server_argv)) !=
925 SEC_E_OK)
926 {
927 ret = SEC_E_INTERNAL_ERROR;
928 goto asc_end;
929 }
930 helper->mode = NTLM_SERVER;
931
932 /* Handle all the flags */
933 want_flags = HeapAlloc(GetProcessHeap(), 0, 73);
934 if(want_flags == NULL)
935 {
936 TRACE("Failed to allocate memory for the want_flags!\n");
937 ret = SEC_E_INSUFFICIENT_MEMORY;
938 cleanup_helper(helper);
939 goto asc_end;
940 }
941 lstrcpyA(want_flags, "SF");
942 if(fContextReq & ASC_REQ_ALLOCATE_MEMORY)
943 {
944 FIXME("ASC_REQ_ALLOCATE_MEMORY stub\n");
945 }
946 if(fContextReq & ASC_REQ_CONFIDENTIALITY)
947 {
948 lstrcatA(want_flags, " NTLMSSP_FEATURE_SEAL");
949 }
950 if(fContextReq & ASC_REQ_CONNECTION)
951 {
952 /* This is default, so we'll enable it */
953 lstrcatA(want_flags, " NTLMSSP_FEATURE_SESSION_KEY");
954 ctxt_attr |= ASC_RET_CONNECTION;
955 }
956 if(fContextReq & ASC_REQ_EXTENDED_ERROR)
957 {
958 FIXME("ASC_REQ_EXTENDED_ERROR stub\n");
959 }
960 if(fContextReq & ASC_REQ_INTEGRITY)
961 {
962 lstrcatA(want_flags, " NTLMSSP_FEATURE_SIGN");
963 }
964 if(fContextReq & ASC_REQ_MUTUAL_AUTH)
965 {
966 FIXME("ASC_REQ_MUTUAL_AUTH stub\n");
967 }
968 if(fContextReq & ASC_REQ_REPLAY_DETECT)
969 {
970 FIXME("ASC_REQ_REPLAY_DETECT stub\n");
971 }
972 if(fContextReq & ISC_REQ_SEQUENCE_DETECT)
973 {
974 FIXME("ASC_REQ_SEQUENCE_DETECT stub\n");
975 }
976 if(fContextReq & ISC_REQ_STREAM)
977 {
978 FIXME("ASC_REQ_STREAM stub\n");
979 }
980 /* Done with the flags */
981
982 if(lstrlenA(want_flags) > 3)
983 {
984 TRACE("Server set want_flags: %s\n", debugstr_a(want_flags));
985 lstrcpynA(buffer, want_flags, max_len - 1);
986 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
987 SEC_E_OK)
988 {
989 cleanup_helper(helper);
990 goto asc_end;
991 }
992 if(!strncmp(buffer, "BH", 2))
993 TRACE("Helper doesn't understand new command set\n");
994 }
995
996 /* This is the YR request from the client, encode to base64 */
997
998 memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
999
1000 lstrcpynA(buffer, "YR ", max_len-1);
1001
1002 if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
1003 &buffer_len)) != SEC_E_OK)
1004 {
1005 cleanup_helper(helper);
1006 goto asc_end;
1007 }
1008
1009 TRACE("Client sent: %s\n", debugstr_a(buffer));
1010
1011 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
1012 SEC_E_OK)
1013 {
1014 cleanup_helper(helper);
1015 goto asc_end;
1016 }
1017
1018 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
1019 /* The expected answer is TT <base64 blob> */
1020
1021 if(strncmp(buffer, "TT ", 3) != 0)
1022 {
1023 ret = SEC_E_INTERNAL_ERROR;
1024 cleanup_helper(helper);
1025 goto asc_end;
1026 }
1027
1028 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
1029 &bin_len)) != SEC_E_OK)
1030 {
1031 cleanup_helper(helper);
1032 goto asc_end;
1033 }
1034
1035 /* send this to the client */
1036 if(pOutput == NULL)
1037 {
1038 ret = SEC_E_INSUFFICIENT_MEMORY;
1039 cleanup_helper(helper);
1040 goto asc_end;
1041 }
1042
1043 if(pOutput->cBuffers < 1)
1044 {
1045 ret = SEC_E_INSUFFICIENT_MEMORY;
1046 cleanup_helper(helper);
1047 goto asc_end;
1048 }
1049
1050 pOutput->pBuffers[0].cbBuffer = bin_len;
1051 pOutput->pBuffers[0].BufferType = SECBUFFER_DATA;
1052 memcpy(pOutput->pBuffers[0].pvBuffer, bin, bin_len);
1053 ret = SEC_I_CONTINUE_NEEDED;
1054
1055 }
1056 else
1057 {
1058 /* we expect a KK request from client */
1059 if(pInput == NULL)
1060 {
1061 ret = SEC_E_INCOMPLETE_MESSAGE;
1062 goto asc_end;
1063 }
1064
1065 if(pInput->cBuffers < 1)
1066 {
1067 ret = SEC_E_INCOMPLETE_MESSAGE;
1068 goto asc_end;
1069 }
1070
1071 if(!phContext)
1072 {
1073 ret = SEC_E_INVALID_HANDLE;
1074 goto asc_end;
1075 }
1076
1077 helper = (PNegoHelper)phContext->dwLower;
1078
1079 if(helper->mode != NTLM_SERVER)
1080 {
1081 ret = SEC_E_INVALID_HANDLE;
1082 goto asc_end;
1083 }
1084
1085 if(pInput->pBuffers[0].cbBuffer > max_len)
1086 {
1087 ret = SEC_E_INVALID_TOKEN;
1088 goto asc_end;
1089 }
1090 else
1091 bin_len = pInput->pBuffers[0].cbBuffer;
1092
1093 memcpy(bin, pInput->pBuffers[0].pvBuffer, bin_len);
1094
1095 lstrcpynA(buffer, "KK ", max_len-1);
1096
1097 if((ret = encodeBase64(bin, bin_len, buffer+3, max_len-3,
1098 &buffer_len)) != SEC_E_OK)
1099 {
1100 goto asc_end;
1101 }
1102
1103 TRACE("Client sent: %s\n", debugstr_a(buffer));
1104
1105 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) !=
1106 SEC_E_OK)
1107 {
1108 goto asc_end;
1109 }
1110
1111 TRACE("Reply from ntlm_auth: %s\n", debugstr_a(buffer));
1112
1113 if(strncmp(buffer, "AF ", 3) != 0)
1114 {
1115 if(strncmp(buffer, "NA ", 3) == 0)
1116 {
1117 ret = SEC_E_LOGON_DENIED;
1118 goto asc_end;
1119 }
1120 else
1121 {
1122 ret = SEC_E_INTERNAL_ERROR;
1123 goto asc_end;
1124 }
1125 }
1126 pOutput->pBuffers[0].cbBuffer = 0;
1127 ret = SEC_E_OK;
1128
1129 TRACE("Getting negotiated flags\n");
1130 lstrcpynA(buffer, "GF", max_len - 1);
1131 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1132 goto asc_end;
1133
1134 if(buffer_len < 3)
1135 {
1136 TRACE("No flags negotiated, or helper does not support GF command\n");
1137 }
1138 else
1139 {
1140 TRACE("Negotiated %s\n", debugstr_a(buffer));
1141 sscanf(buffer + 3, "%lx", &(helper->neg_flags));
1142 TRACE("Stored 0x%08lx as flags\n", helper->neg_flags);
1143 }
1144
1145 TRACE("Getting session key\n");
1146 lstrcpynA(buffer, "GK", max_len - 1);
1147 if((ret = run_helper(helper, buffer, max_len, &buffer_len)) != SEC_E_OK)
1148 goto asc_end;
1149
1150 if(buffer_len < 3)
1151 TRACE("Helper does not support GK command\n");
1152 else
1153 {
1154 if(strncmp(buffer, "BH ", 3) == 0)
1155 {
1156 TRACE("Helper sent %s\n", debugstr_a(buffer+3));
1157 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1158 /*FIXME: Generate the dummy session key = MD4(MD4(password))*/
1159 memset(helper->session_key, 0 , 16);
1160 }
1161 else if(strncmp(buffer, "GK ", 3) == 0)
1162 {
1163 if((ret = decodeBase64(buffer+3, buffer_len-3, bin, max_len,
1164 &bin_len)) != SEC_E_OK)
1165 {
1166 TRACE("Failed to decode session key\n");
1167 }
1168 TRACE("Session key is %s\n", debugstr_a(buffer+3));
1169 helper->session_key = HeapAlloc(GetProcessHeap(), 0, 16);
1170 if(!helper->session_key)
1171 {
1172 TRACE("Failed to allocate memory for session key\n");
1173 ret = SEC_E_INTERNAL_ERROR;
1174 goto asc_end;
1175 }
1176 memcpy(helper->session_key, bin, 16);
1177 }
1178 }
1179 helper->crypt.ntlm.a4i = SECUR32_arc4Alloc();
1180 SECUR32_arc4Init(helper->crypt.ntlm.a4i, helper->session_key, 16);
1181 helper->crypt.ntlm.seq_num = 0l;
1182 }
1183
1184 phNewContext->dwUpper = ctxt_attr;
1185 phNewContext->dwLower = (ULONG_PTR)helper;
1186
1187 asc_end:
1188 HeapFree(GetProcessHeap(), 0, want_flags);
1189 HeapFree(GetProcessHeap(), 0, buffer);
1190 HeapFree(GetProcessHeap(), 0, bin);
1191 return ret;
1192 }
1193
1194 /***********************************************************************
1195 * CompleteAuthToken
1196 */
1197 static SECURITY_STATUS SEC_ENTRY ntlm_CompleteAuthToken(PCtxtHandle phContext,
1198 PSecBufferDesc pToken)
1199 {
1200 /* We never need to call CompleteAuthToken anyway */
1201 TRACE("%p %p\n", phContext, pToken);
1202 if (!phContext)
1203 return SEC_E_INVALID_HANDLE;
1204
1205 return SEC_E_OK;
1206 }
1207
1208 /***********************************************************************
1209 * DeleteSecurityContext
1210 */
1211 static SECURITY_STATUS SEC_ENTRY ntlm_DeleteSecurityContext(PCtxtHandle phContext)
1212 {
1213 PNegoHelper helper;
1214
1215 TRACE("%p\n", phContext);
1216 if (!phContext)
1217 return SEC_E_INVALID_HANDLE;
1218
1219 helper = (PNegoHelper)phContext->dwLower;
1220
1221 phContext->dwUpper = 0;
1222 phContext->dwLower = 0;
1223
1224 SECUR32_arc4Cleanup(helper->crypt.ntlm.a4i);
1225 HeapFree(GetProcessHeap(), 0, helper->session_key);
1226 SECUR32_arc4Cleanup(helper->crypt.ntlm2.send_a4i);
1227 SECUR32_arc4Cleanup(helper->crypt.ntlm2.recv_a4i);
1228 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_sign_key);
1229 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.send_seal_key);
1230 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_sign_key);
1231 HeapFree(GetProcessHeap(), 0, helper->crypt.ntlm2.recv_seal_key);
1232
1233 cleanup_helper(helper);
1234
1235 return SEC_E_OK;
1236 }
1237
1238 /***********************************************************************
1239 * QueryContextAttributesW
1240 */
1241 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesW(PCtxtHandle phContext,
1242 ULONG ulAttribute, void *pBuffer)
1243 {
1244 TRACE("%p %d %p\n", phContext, ulAttribute, pBuffer);
1245 if (!phContext)
1246 return SEC_E_INVALID_HANDLE;
1247
1248 switch(ulAttribute)
1249 {
1250 #define _x(x) case (x) : FIXME(#x" stub\n"); break
1251 _x(SECPKG_ATTR_ACCESS_TOKEN);
1252 _x(SECPKG_ATTR_AUTHORITY);
1253 _x(SECPKG_ATTR_DCE_INFO);
1254 case SECPKG_ATTR_FLAGS:
1255 {
1256 PSecPkgContext_Flags spcf = (PSecPkgContext_Flags)pBuffer;
1257 PNegoHelper helper = (PNegoHelper)phContext->dwLower;
1258
1259 spcf->Flags = 0;
1260 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1261 spcf->Flags |= ISC_RET_INTEGRITY;
1262 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1263 spcf->Flags |= ISC_RET_CONFIDENTIALITY;
1264 return SEC_E_OK;
1265 }
1266 _x(SECPKG_ATTR_KEY_INFO);
1267 _x(SECPKG_ATTR_LIFESPAN);
1268 _x(SECPKG_ATTR_NAMES);
1269 _x(SECPKG_ATTR_NATIVE_NAMES);
1270 _x(SECPKG_ATTR_NEGOTIATION_INFO);
1271 _x(SECPKG_ATTR_PACKAGE_INFO);
1272 _x(SECPKG_ATTR_PASSWORD_EXPIRY);
1273 _x(SECPKG_ATTR_SESSION_KEY);
1274 case SECPKG_ATTR_SIZES:
1275 {
1276 PSecPkgContext_Sizes spcs = (PSecPkgContext_Sizes)pBuffer;
1277 spcs->cbMaxToken = NTLM_MAX_BUF;
1278 spcs->cbMaxSignature = 16;
1279 spcs->cbBlockSize = 0;
1280 spcs->cbSecurityTrailer = 16;
1281 return SEC_E_OK;
1282 }
1283 _x(SECPKG_ATTR_STREAM_SIZES);
1284 _x(SECPKG_ATTR_TARGET_INFORMATION);
1285 #undef _x
1286 default:
1287 TRACE("Unknown value %d passed for ulAttribute\n", ulAttribute);
1288 }
1289
1290 return SEC_E_UNSUPPORTED_FUNCTION;
1291 }
1292
1293 /***********************************************************************
1294 * QueryContextAttributesA
1295 */
1296 static SECURITY_STATUS SEC_ENTRY ntlm_QueryContextAttributesA(PCtxtHandle phContext,
1297 ULONG ulAttribute, void *pBuffer)
1298 {
1299 return ntlm_QueryContextAttributesW(phContext, ulAttribute, pBuffer);
1300 }
1301
1302 /***********************************************************************
1303 * ImpersonateSecurityContext
1304 */
1305 static SECURITY_STATUS SEC_ENTRY ntlm_ImpersonateSecurityContext(PCtxtHandle phContext)
1306 {
1307 SECURITY_STATUS ret;
1308
1309 TRACE("%p\n", phContext);
1310 if (phContext)
1311 {
1312 ret = SEC_E_UNSUPPORTED_FUNCTION;
1313 }
1314 else
1315 {
1316 ret = SEC_E_INVALID_HANDLE;
1317 }
1318 return ret;
1319 }
1320
1321 /***********************************************************************
1322 * RevertSecurityContext
1323 */
1324 static SECURITY_STATUS SEC_ENTRY ntlm_RevertSecurityContext(PCtxtHandle phContext)
1325 {
1326 SECURITY_STATUS ret;
1327
1328 TRACE("%p\n", phContext);
1329 if (phContext)
1330 {
1331 ret = SEC_E_UNSUPPORTED_FUNCTION;
1332 }
1333 else
1334 {
1335 ret = SEC_E_INVALID_HANDLE;
1336 }
1337 return ret;
1338 }
1339
1340 /***********************************************************************
1341 * ntlm_CreateSignature
1342 * As both MakeSignature and VerifySignature need this, but different keys
1343 * are needed for NTLMv2, the logic goes into a helper function.
1344 * To ensure maximal reusability, we can specify the direction as NTLM_SEND for
1345 * signing/encrypting and NTLM_RECV for verfying/decrypting. When encrypting,
1346 * the signature is encrypted after the message was encrypted, so
1347 * CreateSignature shouldn't do it. In this case, encrypt_sig can be set to
1348 * false.
1349 */
1350 static SECURITY_STATUS ntlm_CreateSignature(PNegoHelper helper, PSecBufferDesc pMessage,
1351 int token_idx, SignDirection direction, BOOL encrypt_sig)
1352 {
1353 ULONG sign_version = 1;
1354 UINT i;
1355 PBYTE sig;
1356 TRACE("%p, %p, %d, %d, %d\n", helper, pMessage, token_idx, direction,
1357 encrypt_sig);
1358
1359 sig = pMessage->pBuffers[token_idx].pvBuffer;
1360
1361 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1362 helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1363 {
1364 BYTE digest[16];
1365 BYTE seq_no[4];
1366 HMAC_MD5_CTX hmac_md5_ctx;
1367
1368 TRACE("Signing NTLM2 style\n");
1369
1370 if(direction == NTLM_SEND)
1371 {
1372 seq_no[0] = (helper->crypt.ntlm2.send_seq_no >> 0) & 0xff;
1373 seq_no[1] = (helper->crypt.ntlm2.send_seq_no >> 8) & 0xff;
1374 seq_no[2] = (helper->crypt.ntlm2.send_seq_no >> 16) & 0xff;
1375 seq_no[3] = (helper->crypt.ntlm2.send_seq_no >> 24) & 0xff;
1376
1377 ++(helper->crypt.ntlm2.send_seq_no);
1378
1379 HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.send_sign_key, 16);
1380 }
1381 else
1382 {
1383 seq_no[0] = (helper->crypt.ntlm2.recv_seq_no >> 0) & 0xff;
1384 seq_no[1] = (helper->crypt.ntlm2.recv_seq_no >> 8) & 0xff;
1385 seq_no[2] = (helper->crypt.ntlm2.recv_seq_no >> 16) & 0xff;
1386 seq_no[3] = (helper->crypt.ntlm2.recv_seq_no >> 24) & 0xff;
1387
1388 ++(helper->crypt.ntlm2.recv_seq_no);
1389
1390 HMACMD5Init(&hmac_md5_ctx, helper->crypt.ntlm2.recv_sign_key, 16);
1391 }
1392
1393 HMACMD5Update(&hmac_md5_ctx, seq_no, 4);
1394 for( i = 0; i < pMessage->cBuffers; ++i )
1395 {
1396 if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1397 HMACMD5Update(&hmac_md5_ctx, (BYTE *)pMessage->pBuffers[i].pvBuffer,
1398 pMessage->pBuffers[i].cbBuffer);
1399 }
1400
1401 HMACMD5Final(&hmac_md5_ctx, digest);
1402
1403 if(encrypt_sig && helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1404 {
1405 if(direction == NTLM_SEND)
1406 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i, digest, 8);
1407 else
1408 SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i, digest, 8);
1409 }
1410
1411 /* The NTLM2 signature is the sign version */
1412 sig[ 0] = (sign_version >> 0) & 0xff;
1413 sig[ 1] = (sign_version >> 8) & 0xff;
1414 sig[ 2] = (sign_version >> 16) & 0xff;
1415 sig[ 3] = (sign_version >> 24) & 0xff;
1416 /* The first 8 bytes of the digest */
1417 memcpy(sig+4, digest, 8);
1418 /* And the sequence number */
1419 memcpy(sig+12, seq_no, 4);
1420
1421 pMessage->pBuffers[token_idx].cbBuffer = 16;
1422
1423 return SEC_E_OK;
1424 }
1425 if(helper->neg_flags & NTLMSSP_NEGOTIATE_SIGN)
1426 {
1427 ULONG crc = 0U;
1428 TRACE("Signing NTLM1 style\n");
1429
1430 for(i=0; i < pMessage->cBuffers; ++i)
1431 {
1432 if(pMessage->pBuffers[i].BufferType & SECBUFFER_DATA)
1433 {
1434 crc = ComputeCrc32(pMessage->pBuffers[i].pvBuffer,
1435 pMessage->pBuffers[i].cbBuffer, crc);
1436 }
1437 }
1438
1439 sig[ 0] = (sign_version >> 0) & 0xff;
1440 sig[ 1] = (sign_version >> 8) & 0xff;
1441 sig[ 2] = (sign_version >> 16) & 0xff;
1442 sig[ 3] = (sign_version >> 24) & 0xff;
1443 memset(sig+4, 0, 4);
1444 sig[ 8] = (crc >> 0) & 0xff;
1445 sig[ 9] = (crc >> 8) & 0xff;
1446 sig[10] = (crc >> 16) & 0xff;
1447 sig[11] = (crc >> 24) & 0xff;
1448 sig[12] = (helper->crypt.ntlm.seq_num >> 0) & 0xff;
1449 sig[13] = (helper->crypt.ntlm.seq_num >> 8) & 0xff;
1450 sig[14] = (helper->crypt.ntlm.seq_num >> 16) & 0xff;
1451 sig[15] = (helper->crypt.ntlm.seq_num >> 24) & 0xff;
1452
1453 ++(helper->crypt.ntlm.seq_num);
1454
1455 if(encrypt_sig)
1456 SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1457 return SEC_E_OK;
1458 }
1459
1460 if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1461 {
1462 TRACE("Creating a dummy signature.\n");
1463 /* A dummy signature is 0x01 followed by 15 bytes of 0x00 */
1464 memset(pMessage->pBuffers[token_idx].pvBuffer, 0, 16);
1465 memset(pMessage->pBuffers[token_idx].pvBuffer, 0x01, 1);
1466 pMessage->pBuffers[token_idx].cbBuffer = 16;
1467 return SEC_E_OK;
1468 }
1469
1470 return SEC_E_UNSUPPORTED_FUNCTION;
1471 }
1472
1473 /***********************************************************************
1474 * MakeSignature
1475 */
1476 static SECURITY_STATUS SEC_ENTRY ntlm_MakeSignature(PCtxtHandle phContext, ULONG fQOP,
1477 PSecBufferDesc pMessage, ULONG MessageSeqNo)
1478 {
1479 PNegoHelper helper;
1480 int token_idx;
1481
1482 TRACE("%p %d %p %d\n", phContext, fQOP, pMessage, MessageSeqNo);
1483 if (!phContext)
1484 return SEC_E_INVALID_HANDLE;
1485
1486 if(fQOP)
1487 FIXME("Ignoring fQOP 0x%08x\n", fQOP);
1488
1489 if(MessageSeqNo)
1490 FIXME("Ignoring MessageSeqNo\n");
1491
1492 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1493 return SEC_E_INVALID_TOKEN;
1494
1495 /* If we didn't find a SECBUFFER_TOKEN type buffer */
1496 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1497 return SEC_E_INVALID_TOKEN;
1498
1499 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1500 return SEC_E_BUFFER_TOO_SMALL;
1501
1502 helper = (PNegoHelper)phContext->dwLower;
1503 TRACE("Negotiated flags are: 0x%08lx\n", helper->neg_flags);
1504
1505 return ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, TRUE);
1506 }
1507
1508 /***********************************************************************
1509 * VerifySignature
1510 */
1511 static SECURITY_STATUS SEC_ENTRY ntlm_VerifySignature(PCtxtHandle phContext,
1512 PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1513 {
1514 PNegoHelper helper;
1515 ULONG fQOP = 0;
1516 UINT i;
1517 int token_idx;
1518 SECURITY_STATUS ret;
1519 SecBufferDesc local_desc;
1520 PSecBuffer local_buff;
1521 BYTE local_sig[16];
1522
1523 TRACE("%p %p %d %p\n", phContext, pMessage, MessageSeqNo, pfQOP);
1524 if(!phContext)
1525 return SEC_E_INVALID_HANDLE;
1526
1527 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1528 return SEC_E_INVALID_TOKEN;
1529
1530 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1531 return SEC_E_INVALID_TOKEN;
1532
1533 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1534 return SEC_E_BUFFER_TOO_SMALL;
1535
1536 if(MessageSeqNo)
1537 FIXME("Ignoring MessageSeqNo\n");
1538
1539 helper = (PNegoHelper)phContext->dwLower;
1540 TRACE("Negotiated flags: 0x%08lx\n", helper->neg_flags);
1541
1542 local_buff = HeapAlloc(GetProcessHeap(), 0, pMessage->cBuffers * sizeof(SecBuffer));
1543
1544 local_desc.ulVersion = SECBUFFER_VERSION;
1545 local_desc.cBuffers = pMessage->cBuffers;
1546 local_desc.pBuffers = local_buff;
1547
1548 for(i=0; i < pMessage->cBuffers; ++i)
1549 {
1550 if(pMessage->pBuffers[i].BufferType == SECBUFFER_TOKEN)
1551 {
1552 local_buff[i].BufferType = SECBUFFER_TOKEN;
1553 local_buff[i].cbBuffer = 16;
1554 local_buff[i].pvBuffer = local_sig;
1555 }
1556 else
1557 {
1558 local_buff[i].BufferType = pMessage->pBuffers[i].BufferType;
1559 local_buff[i].cbBuffer = pMessage->pBuffers[i].cbBuffer;
1560 local_buff[i].pvBuffer = pMessage->pBuffers[i].pvBuffer;
1561 }
1562 }
1563
1564 if((ret = ntlm_CreateSignature(helper, &local_desc, token_idx, NTLM_RECV, TRUE)) != SEC_E_OK)
1565 return ret;
1566
1567 if(memcmp(((PBYTE)local_buff[token_idx].pvBuffer) + 8,
1568 ((PBYTE)pMessage->pBuffers[token_idx].pvBuffer) + 8, 8))
1569 ret = SEC_E_MESSAGE_ALTERED;
1570 else
1571 ret = SEC_E_OK;
1572
1573 HeapFree(GetProcessHeap(), 0, local_buff);
1574 pfQOP = &fQOP;
1575
1576 return ret;
1577
1578 }
1579
1580 /***********************************************************************
1581 * FreeCredentialsHandle
1582 */
1583 static SECURITY_STATUS SEC_ENTRY ntlm_FreeCredentialsHandle(
1584 PCredHandle phCredential)
1585 {
1586 SECURITY_STATUS ret;
1587
1588 if(phCredential){
1589 PNtlmCredentials ntlm_cred = (PNtlmCredentials) phCredential->dwLower;
1590 phCredential->dwUpper = 0;
1591 phCredential->dwLower = 0;
1592 if (ntlm_cred->password)
1593 memset(ntlm_cred->password, 0, ntlm_cred->pwlen);
1594 HeapFree(GetProcessHeap(), 0, ntlm_cred->password);
1595 HeapFree(GetProcessHeap(), 0, ntlm_cred->username_arg);
1596 HeapFree(GetProcessHeap(), 0, ntlm_cred->domain_arg);
1597 ret = SEC_E_OK;
1598 }
1599 else
1600 ret = SEC_E_OK;
1601
1602 return ret;
1603 }
1604
1605 /***********************************************************************
1606 * EncryptMessage
1607 */
1608 static SECURITY_STATUS SEC_ENTRY ntlm_EncryptMessage(PCtxtHandle phContext,
1609 ULONG fQOP, PSecBufferDesc pMessage, ULONG MessageSeqNo)
1610 {
1611 PNegoHelper helper;
1612 int token_idx;
1613
1614 TRACE("(%p %d %p %d)\n", phContext, fQOP, pMessage, MessageSeqNo);
1615
1616 if(!phContext)
1617 return SEC_E_INVALID_HANDLE;
1618
1619 if(fQOP)
1620 FIXME("Ignoring fQOP\n");
1621
1622 if(MessageSeqNo)
1623 FIXME("Ignoring MessageSeqNo\n");
1624
1625 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1626 return SEC_E_INVALID_TOKEN;
1627
1628 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1629 return SEC_E_INVALID_TOKEN;
1630
1631 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1632 return SEC_E_BUFFER_TOO_SMALL;
1633
1634 helper = (PNegoHelper) phContext->dwLower;
1635
1636 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 &&
1637 helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1638 {
1639 ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1640 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1641 (BYTE *)pMessage->pBuffers[1].pvBuffer,
1642 pMessage->pBuffers[1].cbBuffer);
1643
1644 if(helper->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCHANGE)
1645 SECUR32_arc4Process(helper->crypt.ntlm2.send_a4i,
1646 ((BYTE *)pMessage->pBuffers[token_idx].pvBuffer)+4, 8);
1647
1648
1649 return SEC_E_OK;
1650 }
1651 else
1652 {
1653 PBYTE sig;
1654 ULONG save_flags;
1655
1656 /* EncryptMessage always produces real signatures, so make sure
1657 * NTLMSSP_NEGOTIATE_SIGN is set*/
1658 save_flags = helper->neg_flags;
1659 helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1660 ntlm_CreateSignature(helper, pMessage, token_idx, NTLM_SEND, FALSE);
1661 helper->neg_flags = save_flags;
1662
1663 sig = pMessage->pBuffers[token_idx].pvBuffer;
1664
1665 SECUR32_arc4Process(helper->crypt.ntlm.a4i, pMessage->pBuffers[1].pvBuffer,
1666 pMessage->pBuffers[1].cbBuffer);
1667 SECUR32_arc4Process(helper->crypt.ntlm.a4i, sig+4, 12);
1668
1669 if(helper->neg_flags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN || helper->neg_flags == 0)
1670 memset(sig+4, 0, 4);
1671
1672 }
1673
1674 return SEC_E_OK;
1675 }
1676
1677 /***********************************************************************
1678 * DecryptMessage
1679 */
1680 static SECURITY_STATUS SEC_ENTRY ntlm_DecryptMessage(PCtxtHandle phContext,
1681 PSecBufferDesc pMessage, ULONG MessageSeqNo, PULONG pfQOP)
1682 {
1683 SECURITY_STATUS ret;
1684 ULONG ntlmssp_flags_save;
1685 PNegoHelper helper;
1686 int token_idx;
1687 TRACE("(%p %p %d %p)\n", phContext, pMessage, MessageSeqNo, pfQOP);
1688
1689 if(!phContext)
1690 return SEC_E_INVALID_HANDLE;
1691
1692 if(MessageSeqNo)
1693 FIXME("Ignoring MessageSeqNo\n");
1694
1695 if(!pMessage || !pMessage->pBuffers || pMessage->cBuffers < 2)
1696 return SEC_E_INVALID_TOKEN;
1697
1698 if((token_idx = ntlm_GetTokenBufferIndex(pMessage)) == -1)
1699 return SEC_E_INVALID_TOKEN;
1700
1701 if(pMessage->pBuffers[token_idx].cbBuffer < 16)
1702 return SEC_E_BUFFER_TOO_SMALL;
1703
1704 helper = (PNegoHelper) phContext->dwLower;
1705
1706 if(helper->neg_flags & NTLMSSP_NEGOTIATE_NTLM2 && helper->neg_flags & NTLMSSP_NEGOTIATE_SEAL)
1707 {
1708 SECUR32_arc4Process(helper->crypt.ntlm2.recv_a4i,
1709 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1710 }
1711 else
1712 {
1713 SECUR32_arc4Process(helper->crypt.ntlm.a4i,
1714 pMessage->pBuffers[1].pvBuffer, pMessage->pBuffers[1].cbBuffer);
1715 }
1716
1717 /* Make sure we use a session key for the signature check, EncryptMessage
1718 * always does that, even in the dummy case */
1719 ntlmssp_flags_save = helper->neg_flags;
1720
1721 helper->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
1722 ret = ntlm_VerifySignature(phContext, pMessage, MessageSeqNo, pfQOP);
1723
1724 helper->neg_flags = ntlmssp_flags_save;
1725
1726 return ret;
1727 }
1728
1729 static const SecurityFunctionTableA ntlmTableA = {
1730 1,
1731 NULL, /* EnumerateSecurityPackagesA */
1732 ntlm_QueryCredentialsAttributesA, /* QueryCredentialsAttributesA */
1733 ntlm_AcquireCredentialsHandleA, /* AcquireCredentialsHandleA */
1734 ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
1735 NULL, /* Reserved2 */
1736 ntlm_InitializeSecurityContextA, /* InitializeSecurityContextA */
1737 ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
1738 ntlm_CompleteAuthToken, /* CompleteAuthToken */
1739 ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
1740 NULL, /* ApplyControlToken */
1741 ntlm_QueryContextAttributesA, /* QueryContextAttributesA */
1742 ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
1743 ntlm_RevertSecurityContext, /* RevertSecurityContext */
1744 ntlm_MakeSignature, /* MakeSignature */
1745 ntlm_VerifySignature, /* VerifySignature */
1746 FreeContextBuffer, /* FreeContextBuffer */
1747 NULL, /* QuerySecurityPackageInfoA */
1748 NULL, /* Reserved3 */
1749 NULL, /* Reserved4 */
1750 NULL, /* ExportSecurityContext */
1751 NULL, /* ImportSecurityContextA */
1752 NULL, /* AddCredentialsA */
1753 NULL, /* Reserved8 */
1754 NULL, /* QuerySecurityContextToken */
1755 ntlm_EncryptMessage, /* EncryptMessage */
1756 ntlm_DecryptMessage, /* DecryptMessage */
1757 NULL, /* SetContextAttributesA */
1758 };
1759
1760 static const SecurityFunctionTableW ntlmTableW = {
1761 1,
1762 NULL, /* EnumerateSecurityPackagesW */
1763 ntlm_QueryCredentialsAttributesW, /* QueryCredentialsAttributesW */
1764 ntlm_AcquireCredentialsHandleW, /* AcquireCredentialsHandleW */
1765 ntlm_FreeCredentialsHandle, /* FreeCredentialsHandle */
1766 NULL, /* Reserved2 */
1767 ntlm_InitializeSecurityContextW, /* InitializeSecurityContextW */
1768 ntlm_AcceptSecurityContext, /* AcceptSecurityContext */
1769 ntlm_CompleteAuthToken, /* CompleteAuthToken */
1770 ntlm_DeleteSecurityContext, /* DeleteSecurityContext */
1771 NULL, /* ApplyControlToken */
1772 ntlm_QueryContextAttributesW, /* QueryContextAttributesW */
1773 ntlm_ImpersonateSecurityContext, /* ImpersonateSecurityContext */
1774 ntlm_RevertSecurityContext, /* RevertSecurityContext */
1775 ntlm_MakeSignature, /* MakeSignature */
1776 ntlm_VerifySignature, /* VerifySignature */
1777 FreeContextBuffer, /* FreeContextBuffer */
1778 NULL, /* QuerySecurityPackageInfoW */
1779 NULL, /* Reserved3 */
1780 NULL, /* Reserved4 */
1781 NULL, /* ExportSecurityContext */
1782 NULL, /* ImportSecurityContextW */
1783 NULL, /* AddCredentialsW */
1784 NULL, /* Reserved8 */
1785 NULL, /* QuerySecurityContextToken */
1786 ntlm_EncryptMessage, /* EncryptMessage */
1787 ntlm_DecryptMessage, /* DecryptMessage */
1788 NULL, /* SetContextAttributesW */
1789 };
1790
1791 #define NTLM_COMMENT \
1792 { 'N', 'T', 'L', 'M', ' ', \
1793 'S', 'e', 'c', 'u', 'r', 'i', 't', 'y', ' ', \
1794 'P', 'a', 'c', 'k', 'a', 'g', 'e', 0}
1795
1796 static CHAR ntlm_comment_A[] = NTLM_COMMENT;
1797 static WCHAR ntlm_comment_W[] = NTLM_COMMENT;
1798
1799 #define NTLM_NAME {'N', 'T', 'L', 'M', 0}
1800
1801 static char ntlm_name_A[] = NTLM_NAME;
1802 static WCHAR ntlm_name_W[] = NTLM_NAME;
1803
1804 /* According to Windows, NTLM has the following capabilities. */
1805 #define CAPS ( \
1806 SECPKG_FLAG_INTEGRITY | \
1807 SECPKG_FLAG_PRIVACY | \
1808 SECPKG_FLAG_TOKEN_ONLY | \
1809 SECPKG_FLAG_CONNECTION | \
1810 SECPKG_FLAG_MULTI_REQUIRED | \
1811 SECPKG_FLAG_IMPERSONATION | \
1812 SECPKG_FLAG_ACCEPT_WIN32_NAME | \
1813 SECPKG_FLAG_READONLY_WITH_CHECKSUM)
1814
1815 static const SecPkgInfoW infoW = {
1816 CAPS,
1817 1,
1818 RPC_C_AUTHN_WINNT,
1819 NTLM_MAX_BUF,
1820 ntlm_name_W,
1821 ntlm_comment_W
1822 };
1823
1824 static const SecPkgInfoA infoA = {
1825 CAPS,
1826 1,
1827 RPC_C_AUTHN_WINNT,
1828 NTLM_MAX_BUF,
1829 ntlm_name_A,
1830 ntlm_comment_A
1831 };
1832
1833 void SECUR32_initNTLMSP(void)
1834 {
1835 SECURITY_STATUS ret;
1836 PNegoHelper helper;
1837 static CHAR version[] = "--version";
1838
1839 SEC_CHAR *args[] = {
1840 ntlm_auth,
1841 version,
1842 NULL };
1843
1844 if((ret = fork_helper(&helper, ntlm_auth, args)) != SEC_E_OK)
1845 {
1846 /* Cheat and allocate a helper anyway, so cleanup later will work. */
1847 helper = HeapAlloc(GetProcessHeap(),0, sizeof(PNegoHelper));
1848 helper->major = helper->minor = helper->micro = -1;
1849 }
1850 else
1851 check_version(helper);
1852
1853 if( (helper->major > MIN_NTLM_AUTH_MAJOR_VERSION) ||
1854 (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION &&
1855 helper->minor > MIN_NTLM_AUTH_MINOR_VERSION) ||
1856 (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION &&
1857 helper->minor == MIN_NTLM_AUTH_MINOR_VERSION &&
1858 helper->micro >= MIN_NTLM_AUTH_MICRO_VERSION) )
1859 {
1860 SecureProvider *provider = SECUR32_addProvider(&ntlmTableA, &ntlmTableW, NULL);
1861 SECUR32_addPackages(provider, 1L, &infoA, &infoW);
1862 }
1863 else
1864 {
1865 ERR("%s was not found or is outdated. "
1866 "Make sure that ntlm_auth >= %d.%d.%d is in your path.\n",
1867 ntlm_auth,
1868 MIN_NTLM_AUTH_MAJOR_VERSION,
1869 MIN_NTLM_AUTH_MINOR_VERSION,
1870 MIN_NTLM_AUTH_MICRO_VERSION);
1871 }
1872 cleanup_helper(helper);
1873 }
Maarten's multimedia branch