2 Unix SMB/CIFS implementation.
4 Winbind status program.
6 Copyright (C) Tim Potter 2000-2003
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
8 Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define DBGC_CLASS DBGC_WINBIND
30 #define SQUID_BUFFER_SIZE 2010
32 enum stdio_helper_mode
{
50 typedef void (*stdio_helper_function
)(enum stdio_helper_mode stdio_helper_mode
,
51 char *buf
, int length
);
53 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode
,
54 char *buf
, int length
);
56 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
57 char *buf
, int length
);
59 static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
60 char *buf
, int length
);
62 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode
,
63 char *buf
, int length
);
65 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode
,
66 char *buf
, int length
);
69 enum stdio_helper_mode mode
;
71 stdio_helper_function fn
;
72 } stdio_helper_protocols
[] = {
73 { SQUID_2_4_BASIC
, "squid-2.4-basic", manage_squid_basic_request
},
74 { SQUID_2_5_BASIC
, "squid-2.5-basic", manage_squid_basic_request
},
75 { SQUID_2_5_NTLMSSP
, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request
},
76 { NTLMSSP_CLIENT_1
, "ntlmssp-client-1", manage_client_ntlmssp_request
},
77 { GSS_SPNEGO
, "gss-spnego", manage_gss_spnego_request
},
78 { GSS_SPNEGO_CLIENT
, "gss-spnego-client", manage_gss_spnego_client_request
},
79 { NUM_HELPER_MODES
, NULL
, NULL
}
82 extern int winbindd_fd
;
84 static const char *opt_username
;
85 static const char *opt_domain
;
86 static const char *opt_workstation
;
87 static const char *opt_password
;
88 static DATA_BLOB opt_challenge
;
89 static DATA_BLOB opt_lm_response
;
90 static DATA_BLOB opt_nt_response
;
91 static int request_lm_key
;
92 static int request_nt_key
;
94 static const char *require_membership_of
;
95 static const char *require_membership_sid
;
97 static char winbind_separator(void)
99 struct winbindd_response response
;
106 ZERO_STRUCT(response
);
108 /* Send off request */
110 if (winbindd_request(WINBINDD_INFO
, NULL
, &response
) !=
111 NSS_STATUS_SUCCESS
) {
112 d_printf("could not obtain winbind separator!\n");
116 sep
= response
.data
.info
.winbind_separator
;
120 d_printf("winbind separator was NULL!\n");
127 static const char *get_winbind_domain(void)
129 struct winbindd_response response
;
131 static fstring winbind_domain
;
132 if (*winbind_domain
) {
133 return winbind_domain
;
136 ZERO_STRUCT(response
);
138 /* Send off request */
140 if (winbindd_request(WINBINDD_DOMAIN_NAME
, NULL
, &response
) !=
141 NSS_STATUS_SUCCESS
) {
142 DEBUG(0, ("could not obtain winbind domain name!\n"));
146 fstrcpy(winbind_domain
, response
.data
.domain_name
);
148 return winbind_domain
;
152 static const char *get_winbind_netbios_name(void)
154 struct winbindd_response response
;
156 static fstring winbind_netbios_name
;
158 if (*winbind_netbios_name
) {
159 return winbind_netbios_name
;
162 ZERO_STRUCT(response
);
164 /* Send off request */
166 if (winbindd_request(WINBINDD_NETBIOS_NAME
, NULL
, &response
) !=
167 NSS_STATUS_SUCCESS
) {
168 DEBUG(0, ("could not obtain winbind netbios name!\n"));
172 fstrcpy(winbind_netbios_name
, response
.data
.netbios_name
);
174 return winbind_netbios_name
;
178 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
179 form DOMAIN/user into a domain and a user */
181 static BOOL
parse_ntlm_auth_domain_user(const char *domuser
, fstring domain
,
185 char *p
= strchr(domuser
,winbind_separator());
192 fstrcpy(domain
, domuser
);
193 domain
[PTR_DIFF(p
, domuser
)] = 0;
199 static BOOL
get_require_membership_sid(void) {
200 struct winbindd_request request
;
201 struct winbindd_response response
;
203 if (!require_membership_of
) {
207 if (require_membership_sid
) {
211 /* Otherwise, ask winbindd for the name->sid request */
213 ZERO_STRUCT(request
);
214 ZERO_STRUCT(response
);
216 if (!parse_ntlm_auth_domain_user(require_membership_of
,
217 request
.data
.name
.dom_name
,
218 request
.data
.name
.name
)) {
219 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
220 require_membership_of
));
224 if (winbindd_request(WINBINDD_LOOKUPNAME
, &request
, &response
) !=
225 NSS_STATUS_SUCCESS
) {
226 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
227 require_membership_of
));
231 require_membership_sid
= strdup(response
.data
.sid
.sid
);
233 if (require_membership_sid
)
238 /* Authenticate a user with a plaintext password */
240 static BOOL
check_plaintext_auth(const char *user
, const char *pass
,
241 BOOL stdout_diagnostics
)
243 struct winbindd_request request
;
244 struct winbindd_response response
;
247 if (!get_require_membership_sid()) {
251 /* Send off request */
253 ZERO_STRUCT(request
);
254 ZERO_STRUCT(response
);
256 fstrcpy(request
.data
.auth
.user
, user
);
257 fstrcpy(request
.data
.auth
.pass
, pass
);
258 if (require_membership_sid
)
259 fstrcpy(request
.data
.auth
.required_membership_sid
, require_membership_sid
);
261 result
= winbindd_request(WINBINDD_PAM_AUTH
, &request
, &response
);
263 /* Display response */
265 if (stdout_diagnostics
) {
266 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
267 d_printf("Reading winbind reply failed! (0x01)\n");
270 d_printf("%s: %s (0x%x)\n",
271 response
.data
.auth
.nt_status_string
,
272 response
.data
.auth
.error_string
,
273 response
.data
.auth
.nt_status
);
275 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
276 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
279 DEBUG(3, ("%s: %s (0x%x)\n",
280 response
.data
.auth
.nt_status_string
,
281 response
.data
.auth
.error_string
,
282 response
.data
.auth
.nt_status
));
285 return (result
== NSS_STATUS_SUCCESS
);
288 /* authenticate a user with an encrypted username/password */
290 static NTSTATUS
contact_winbind_auth_crap(const char *username
,
292 const char *workstation
,
293 const DATA_BLOB
*challenge
,
294 const DATA_BLOB
*lm_response
,
295 const DATA_BLOB
*nt_response
,
304 struct winbindd_request request
;
305 struct winbindd_response response
;
307 static uint8 zeros
[16];
309 if (!get_require_membership_sid()) {
310 return NT_STATUS_INVALID_PARAMETER
;
313 ZERO_STRUCT(request
);
314 ZERO_STRUCT(response
);
316 request
.flags
= flags
;
318 if (require_membership_sid
)
319 fstrcpy(request
.data
.auth_crap
.required_membership_sid
, require_membership_sid
);
321 if (push_utf8_fstring(request
.data
.auth_crap
.user
, username
) == -1) {
322 *error_string
= smb_xstrdup(
323 "unable to create utf8 string for username");
324 return NT_STATUS_UNSUCCESSFUL
;
327 if (push_utf8_fstring(request
.data
.auth_crap
.domain
, domain
) == -1) {
328 *error_string
= smb_xstrdup(
329 "unable to create utf8 string for domain");
330 return NT_STATUS_UNSUCCESSFUL
;
333 if (push_utf8_fstring(request
.data
.auth_crap
.workstation
,
334 workstation
) == -1) {
335 *error_string
= smb_xstrdup(
336 "unable to create utf8 string for workstation");
337 return NT_STATUS_UNSUCCESSFUL
;
340 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
342 if (lm_response
&& lm_response
->length
) {
343 memcpy(request
.data
.auth_crap
.lm_resp
,
345 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
346 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
349 if (nt_response
&& nt_response
->length
) {
350 memcpy(request
.data
.auth_crap
.nt_resp
,
352 MIN(nt_response
->length
, sizeof(request
.data
.auth_crap
.nt_resp
)));
353 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
356 result
= winbindd_request(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
358 /* Display response */
360 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
361 nt_status
= NT_STATUS_UNSUCCESSFUL
;
363 *error_string
= smb_xstrdup("Reading winbind reply failed!");
367 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
368 if (!NT_STATUS_IS_OK(nt_status
)) {
370 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
374 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
375 && (memcmp(zeros
, response
.data
.auth
.first_8_lm_hash
,
376 sizeof(response
.data
.auth
.first_8_lm_hash
)) != 0)) {
377 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
378 sizeof(response
.data
.auth
.first_8_lm_hash
));
380 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && nt_key
381 && (memcmp(zeros
, response
.data
.auth
.user_session_key
,
382 sizeof(response
.data
.auth
.user_session_key
)) != 0)) {
383 memcpy(nt_key
, response
.data
.auth
.user_session_key
,
384 sizeof(response
.data
.auth
.user_session_key
));
387 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
388 if (pull_utf8_allocate(unix_name
, (char *)response
.extra_data
) == -1) {
389 return NT_STATUS_NO_MEMORY
;
396 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
398 static const char zeros
[16];
405 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
406 ntlmssp_state
->workstation
,
407 &ntlmssp_state
->chal
,
408 &ntlmssp_state
->lm_resp
,
409 &ntlmssp_state
->nt_resp
,
410 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
412 &error_string
, &unix_name
);
414 if (NT_STATUS_IS_OK(nt_status
)) {
415 if (memcmp(lm_key
, zeros
, 8) != 0) {
416 *lm_session_key
= data_blob(NULL
, 16);
417 memcpy(lm_session_key
->data
, lm_key
, 8);
418 memset(lm_session_key
->data
+8, '\0', 8);
421 if (memcmp(nt_key
, zeros
, 16) != 0) {
422 *user_session_key
= data_blob(nt_key
, 16);
424 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
425 SAFE_FREE(unix_name
);
427 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
428 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
429 ntlmssp_state
->domain
, ntlmssp_state
->user
,
430 ntlmssp_state
->workstation
,
431 error_string
? error_string
: "unknown error (NULL)"));
432 ntlmssp_state
->auth_context
= NULL
;
437 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
439 static const char zeros
[16];
443 uint8 lm_pw
[16], nt_pw
[16];
445 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
447 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
448 &ntlmssp_state
->chal
,
449 &ntlmssp_state
->lm_resp
,
450 &ntlmssp_state
->nt_resp
,
454 ntlmssp_state
->domain
,
455 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
457 if (NT_STATUS_IS_OK(nt_status
)) {
458 if (memcmp(lm_key
, zeros
, 8) != 0) {
459 *lm_session_key
= data_blob(NULL
, 16);
460 memcpy(lm_session_key
->data
, lm_key
, 8);
461 memset(lm_session_key
->data
+8, '\0', 8);
464 if (memcmp(nt_key
, zeros
, 16) != 0) {
465 *user_session_key
= data_blob(nt_key
, 16);
467 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
468 "%s%c%s", ntlmssp_state
->domain
,
469 *lp_winbind_separator(),
470 ntlmssp_state
->user
);
472 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
473 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
474 nt_errstr(nt_status
)));
475 ntlmssp_state
->auth_context
= NULL
;
480 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
483 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
484 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
488 status
= ntlmssp_client_start(client_ntlmssp_state
);
490 if (!NT_STATUS_IS_OK(status
)) {
491 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
493 ntlmssp_end(client_ntlmssp_state
);
497 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
499 if (!NT_STATUS_IS_OK(status
)) {
500 DEBUG(1, ("Could not set username: %s\n",
502 ntlmssp_end(client_ntlmssp_state
);
506 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
508 if (!NT_STATUS_IS_OK(status
)) {
509 DEBUG(1, ("Could not set domain: %s\n",
511 ntlmssp_end(client_ntlmssp_state
);
515 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
517 if (!NT_STATUS_IS_OK(status
)) {
518 DEBUG(1, ("Could not set password: %s\n",
520 ntlmssp_end(client_ntlmssp_state
);
526 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
528 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
530 if (!NT_STATUS_IS_OK(status
)) {
531 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
536 /* Have we been given a local password, or should we ask winbind? */
538 (*ntlmssp_state
)->check_password
= local_pw_check
;
539 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
540 (*ntlmssp_state
)->get_global_myname
= global_myname
;
542 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
543 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
544 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
549 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
550 char *buf
, int length
)
552 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
553 DATA_BLOB request
, reply
;
556 if (strlen(buf
) < 2) {
557 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
558 x_fprintf(x_stdout
, "BH\n");
562 if (strlen(buf
) > 3) {
563 request
= base64_decode_data_blob(buf
+ 3);
565 request
= data_blob(NULL
, 0);
568 if ((strncmp(buf
, "PW ", 3) == 0)) {
569 /* The calling application wants us to use a local password (rather than winbindd) */
571 opt_password
= strndup((const char *)request
.data
, request
.length
);
573 if (opt_password
== NULL
) {
574 DEBUG(1, ("Out of memory\n"));
575 x_fprintf(x_stdout
, "BH\n");
576 data_blob_free(&request
);
580 x_fprintf(x_stdout
, "OK\n");
581 data_blob_free(&request
);
585 if (strncmp(buf
, "YR", 2) == 0) {
587 ntlmssp_end(&ntlmssp_state
);
588 } else if (strncmp(buf
, "KK", 2) == 0) {
591 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
592 x_fprintf(x_stdout
, "BH\n");
596 if (!ntlmssp_state
) {
597 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
598 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
603 DEBUG(10, ("got NTLMSSP packet:\n"));
604 dump_data(10, (const char *)request
.data
, request
.length
);
606 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
608 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
609 char *reply_base64
= base64_encode_data_blob(reply
);
610 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
611 SAFE_FREE(reply_base64
);
612 data_blob_free(&reply
);
613 DEBUG(10, ("NTLMSSP challenge\n"));
614 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
615 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
616 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
618 ntlmssp_end(&ntlmssp_state
);
619 } else if (!NT_STATUS_IS_OK(nt_status
)) {
620 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
621 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
623 x_fprintf(x_stdout
, "AF %s\n", (char *)ntlmssp_state
->auth_context
);
624 DEBUG(10, ("NTLMSSP OK!\n"));
627 data_blob_free(&request
);
630 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
631 char *buf
, int length
)
633 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
634 DATA_BLOB request
, reply
;
638 if (strlen(buf
) < 2) {
639 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
640 x_fprintf(x_stdout
, "BH\n");
644 if (strlen(buf
) > 3) {
645 request
= base64_decode_data_blob(buf
+ 3);
647 request
= data_blob(NULL
, 0);
650 if (strncmp(buf
, "PW ", 3) == 0) {
651 /* We asked for a password and obviously got it :-) */
653 opt_password
= strndup((const char *)request
.data
, request
.length
);
655 if (opt_password
== NULL
) {
656 DEBUG(1, ("Out of memory\n"));
657 x_fprintf(x_stdout
, "BH\n");
658 data_blob_free(&request
);
662 x_fprintf(x_stdout
, "OK\n");
663 data_blob_free(&request
);
667 if (opt_password
== NULL
) {
669 /* Request a password from the calling process. After
670 sending it, the calling process should retry asking for the negotiate. */
672 DEBUG(10, ("Requesting password\n"));
673 x_fprintf(x_stdout
, "PW\n");
677 if (strncmp(buf
, "YR", 2) == 0) {
679 ntlmssp_end(&ntlmssp_state
);
680 } else if (strncmp(buf
, "TT", 2) == 0) {
683 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
684 x_fprintf(x_stdout
, "BH\n");
688 if (!ntlmssp_state
) {
689 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_client(&ntlmssp_state
))) {
690 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
696 DEBUG(10, ("got NTLMSSP packet:\n"));
697 dump_data(10, (const char *)request
.data
, request
.length
);
699 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
701 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
702 char *reply_base64
= base64_encode_data_blob(reply
);
704 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
706 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
708 SAFE_FREE(reply_base64
);
709 data_blob_free(&reply
);
710 DEBUG(10, ("NTLMSSP challenge\n"));
711 } else if (NT_STATUS_IS_OK(nt_status
)) {
712 x_fprintf(x_stdout
, "AF\n");
713 DEBUG(10, ("NTLMSSP OK!\n"));
715 ntlmssp_end(&ntlmssp_state
);
717 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
718 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
720 ntlmssp_end(&ntlmssp_state
);
723 data_blob_free(&request
);
726 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode
,
727 char *buf
, int length
)
732 pass
=memchr(buf
,' ',length
);
734 DEBUG(2, ("Password not found. Denying access\n"));
735 x_fprintf(x_stderr
, "ERR\n");
741 if (stdio_helper_mode
== SQUID_2_5_BASIC
) {
742 rfc1738_unescape(user
);
743 rfc1738_unescape(pass
);
746 if (check_plaintext_auth(user
, pass
, False
)) {
747 x_fprintf(x_stdout
, "OK\n");
749 x_fprintf(x_stdout
, "ERR\n");
753 static void offer_gss_spnego_mechs(void) {
761 pstring myname_lower
;
765 pstrcpy(myname_lower
, global_myname());
766 strlower_m(myname_lower
);
768 pstr_sprintf(principal
, "%s$@%s", myname_lower
, lp_realm());
770 /* Server negTokenInit (mech offerings) */
771 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
772 spnego
.negTokenInit
.mechTypes
= smb_xmalloc(sizeof(char *) * 3);
774 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
775 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
776 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
778 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
779 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
783 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
786 len
= write_spnego_data(&token
, &spnego
);
787 free_spnego_data(&spnego
);
790 DEBUG(1, ("Could not write SPNEGO data blob\n"));
791 x_fprintf(x_stdout
, "BH\n");
795 reply_base64
= base64_encode_data_blob(token
);
796 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
798 SAFE_FREE(reply_base64
);
799 data_blob_free(&token
);
800 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
804 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode
,
805 char *buf
, int length
)
807 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
808 SPNEGO_DATA request
, response
;
816 const char *reply_code
;
818 pstring reply_argument
;
820 if (strlen(buf
) < 2) {
822 if (ntlmssp_state
!= NULL
) {
823 DEBUG(1, ("Request for initial SPNEGO request where "
824 "we already have a state\n"));
825 x_fprintf(x_stdout
, "BH\n");
829 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
830 x_fprintf(x_stdout
, "BH\n");
834 if ( (strlen(buf
) == 2) && (strcmp(buf
, "YR") == 0) ) {
836 /* Initial request, get the negTokenInit offering
839 offer_gss_spnego_mechs();
843 /* All subsequent requests are "KK" (Knock, Knock ;)) and have
844 a blob. This might be negTokenInit or negTokenTarg */
846 if ( (strlen(buf
) <= 3) || (strncmp(buf
, "KK", 2) != 0) ) {
847 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
848 x_fprintf(x_stdout
, "BH\n");
852 token
= base64_decode_data_blob(buf
+ 3);
853 len
= read_spnego_data(token
, &request
);
854 data_blob_free(&token
);
857 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
858 x_fprintf(x_stdout
, "BH\n");
862 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
864 /* Second request from Client. This is where the
865 client offers its mechanism to use. */
867 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
868 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
869 DEBUG(1, ("Client did not offer any mechanism"));
870 x_fprintf(x_stdout
, "BH\n");
874 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
876 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
877 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
878 x_fprintf(x_stdout
, "BH\n");
882 if ( ntlmssp_state
!= NULL
) {
883 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
884 "already got one\n"));
885 x_fprintf(x_stdout
, "BH\n");
886 ntlmssp_end(&ntlmssp_state
);
890 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
891 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
895 DEBUG(10, ("got NTLMSSP packet:\n"));
896 dump_data(10, (const char *)request
.negTokenInit
.mechToken
.data
,
897 request
.negTokenInit
.mechToken
.length
);
899 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
900 response
.negTokenTarg
.supportedMech
= strdup(OID_NTLMSSP
);
901 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
903 status
= ntlmssp_update(ntlmssp_state
,
904 request
.negTokenInit
.mechToken
,
905 &response
.negTokenTarg
.responseToken
);
909 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
914 DATA_BLOB session_key
;
916 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
917 DEBUG(1, ("Client did not provide Kerberos data\n"));
918 x_fprintf(x_stdout
, "BH\n");
922 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
923 response
.negTokenTarg
.supportedMech
= strdup(OID_KERBEROS5_OLD
);
924 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
925 response
.negTokenTarg
.responseToken
= data_blob(NULL
, 0);
927 status
= ads_verify_ticket(lp_realm(),
928 &request
.negTokenInit
.mechToken
,
929 &principal
, &auth_data
, &ap_rep
,
932 /* Now in "principal" we have the name we are
935 if (NT_STATUS_IS_OK(status
)) {
937 domain
= strchr(principal
, '@');
939 if (domain
== NULL
) {
940 DEBUG(1, ("Did not get a valid principal "
941 "from ads_verify_ticket\n"));
942 x_fprintf(x_stdout
, "BH\n");
947 domain
= strdup(domain
);
948 user
= strdup(principal
);
950 data_blob_free(&ap_rep
);
951 data_blob_free(&auth_data
);
953 SAFE_FREE(principal
);
960 if ( (request
.negTokenTarg
.supportedMech
== NULL
) ||
961 ( strcmp(request
.negTokenTarg
.supportedMech
, OID_NTLMSSP
) != 0 ) ) {
962 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
963 is the only one we support that sends this stuff */
964 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
965 request
.negTokenTarg
.supportedMech
));
966 x_fprintf(x_stdout
, "BH\n");
970 if (request
.negTokenTarg
.responseToken
.data
== NULL
) {
971 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
972 x_fprintf(x_stdout
, "BH\n");
976 status
= ntlmssp_update(ntlmssp_state
,
977 request
.negTokenTarg
.responseToken
,
978 &response
.negTokenTarg
.responseToken
);
980 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
981 response
.negTokenTarg
.supportedMech
= strdup(OID_NTLMSSP
);
982 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
984 if (NT_STATUS_IS_OK(status
)) {
985 user
= strdup(ntlmssp_state
->user
);
986 domain
= strdup(ntlmssp_state
->domain
);
987 ntlmssp_end(&ntlmssp_state
);
991 free_spnego_data(&request
);
993 if (NT_STATUS_IS_OK(status
)) {
994 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_COMPLETED
;
996 pstr_sprintf(reply_argument
, "%s\\%s", domain
, user
);
997 } else if (NT_STATUS_EQUAL(status
,
998 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
999 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1001 pstr_sprintf(reply_argument
, "*");
1003 response
.negTokenTarg
.negResult
= SPNEGO_REJECT
;
1005 pstrcpy(reply_argument
, nt_errstr(status
));
1011 len
= write_spnego_data(&token
, &response
);
1012 free_spnego_data(&response
);
1015 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1016 x_fprintf(x_stdout
, "BH\n");
1020 reply_base64
= base64_encode_data_blob(token
);
1022 x_fprintf(x_stdout
, "%s %s %s\n",
1023 reply_code
, reply_base64
, reply_argument
);
1025 SAFE_FREE(reply_base64
);
1026 data_blob_free(&token
);
1031 static NTLMSSP_STATE
*client_ntlmssp_state
= NULL
;
1033 static BOOL
manage_client_ntlmssp_init(SPNEGO_DATA spnego
)
1036 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1037 DATA_BLOB to_server
;
1038 char *to_server_base64
;
1039 const char *my_mechs
[] = {OID_NTLMSSP
, NULL
};
1041 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1043 if (client_ntlmssp_state
!= NULL
) {
1044 DEBUG(1, ("Request for initial SPNEGO request where "
1045 "we already have a state\n"));
1049 if (!client_ntlmssp_state
) {
1050 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state
))) {
1051 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1057 if (opt_password
== NULL
) {
1059 /* Request a password from the calling process. After
1060 sending it, the calling process should retry with
1061 the negTokenInit. */
1063 DEBUG(10, ("Requesting password\n"));
1064 x_fprintf(x_stdout
, "PW\n");
1068 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1069 spnego
.negTokenInit
.mechTypes
= my_mechs
;
1070 spnego
.negTokenInit
.reqFlags
= 0;
1071 spnego
.negTokenInit
.mechListMIC
= null_blob
;
1073 status
= ntlmssp_update(client_ntlmssp_state
, null_blob
,
1074 &spnego
.negTokenInit
.mechToken
);
1076 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1077 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
1078 nt_errstr(status
)));
1079 ntlmssp_end(&client_ntlmssp_state
);
1083 write_spnego_data(&to_server
, &spnego
);
1084 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1086 to_server_base64
= base64_encode_data_blob(to_server
);
1087 data_blob_free(&to_server
);
1088 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1089 SAFE_FREE(to_server_base64
);
1093 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1096 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1098 DATA_BLOB to_server
;
1099 char *to_server_base64
;
1101 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1103 if (client_ntlmssp_state
== NULL
) {
1104 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1105 x_fprintf(x_stdout
, "BH\n");
1106 ntlmssp_end(&client_ntlmssp_state
);
1110 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1111 x_fprintf(x_stdout
, "NA\n");
1112 ntlmssp_end(&client_ntlmssp_state
);
1116 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1117 x_fprintf(x_stdout
, "AF\n");
1118 ntlmssp_end(&client_ntlmssp_state
);
1122 status
= ntlmssp_update(client_ntlmssp_state
,
1123 spnego
.negTokenTarg
.responseToken
,
1126 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1127 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1128 "ntlmssp_client_update, got: %s\n",
1129 nt_errstr(status
)));
1130 x_fprintf(x_stdout
, "BH\n");
1131 data_blob_free(&request
);
1132 ntlmssp_end(&client_ntlmssp_state
);
1136 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1137 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1138 spnego
.negTokenTarg
.supportedMech
= OID_NTLMSSP
;
1139 spnego
.negTokenTarg
.responseToken
= request
;
1140 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1142 write_spnego_data(&to_server
, &spnego
);
1143 data_blob_free(&request
);
1145 to_server_base64
= base64_encode_data_blob(to_server
);
1146 data_blob_free(&to_server
);
1147 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1148 SAFE_FREE(to_server_base64
);
1154 static BOOL
manage_client_krb5_init(SPNEGO_DATA spnego
)
1157 DATA_BLOB tkt
, to_server
;
1158 DATA_BLOB session_key_krb5
;
1163 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1166 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1167 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1168 DEBUG(1, ("Did not get a principal for krb5\n"));
1172 principal
= malloc(spnego
.negTokenInit
.mechListMIC
.length
+1);
1174 if (principal
== NULL
) {
1175 DEBUG(1, ("Could not malloc principal\n"));
1179 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1180 spnego
.negTokenInit
.mechListMIC
.length
);
1181 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1183 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1189 /* Let's try to first get the TGT, for that we need a
1192 if (opt_password
== NULL
) {
1193 DEBUG(10, ("Requesting password\n"));
1194 x_fprintf(x_stdout
, "PW\n");
1198 pstr_sprintf(user
, "%s@%s", opt_username
, opt_domain
);
1200 if ((retval
= kerberos_kinit_password(user
, opt_password
,
1202 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1203 x_fprintf(x_stdout
, "NA\n");
1207 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1210 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1214 data_blob_free(&session_key_krb5
);
1218 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1219 reply
.negTokenInit
.mechTypes
= my_mechs
;
1220 reply
.negTokenInit
.reqFlags
= 0;
1221 reply
.negTokenInit
.mechToken
= tkt
;
1222 reply
.negTokenInit
.mechListMIC
= data_blob(NULL
, 0);
1224 len
= write_spnego_data(&to_server
, &reply
);
1225 data_blob_free(&tkt
);
1228 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1232 reply_base64
= base64_encode_data_blob(to_server
);
1233 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1235 SAFE_FREE(reply_base64
);
1236 data_blob_free(&to_server
);
1237 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1241 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1243 switch (spnego
.negTokenTarg
.negResult
) {
1244 case SPNEGO_ACCEPT_INCOMPLETE
:
1245 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1246 x_fprintf(x_stdout
, "BH\n");
1248 case SPNEGO_ACCEPT_COMPLETED
:
1249 DEBUG(10, ("Accept completed\n"));
1250 x_fprintf(x_stdout
, "AF\n");
1253 DEBUG(10, ("Rejected\n"));
1254 x_fprintf(x_stdout
, "NA\n");
1257 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1258 x_fprintf(x_stdout
, "AF\n");
1264 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode
,
1265 char *buf
, int length
)
1271 if (strlen(buf
) <= 3) {
1272 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1273 x_fprintf(x_stdout
, "BH\n");
1277 request
= base64_decode_data_blob(buf
+3);
1279 if (strncmp(buf
, "PW ", 3) == 0) {
1281 /* We asked for a password and obviously got it :-) */
1283 opt_password
= strndup((const char *)request
.data
, request
.length
);
1285 if (opt_password
== NULL
) {
1286 DEBUG(1, ("Out of memory\n"));
1287 x_fprintf(x_stdout
, "BH\n");
1288 data_blob_free(&request
);
1292 x_fprintf(x_stdout
, "OK\n");
1293 data_blob_free(&request
);
1297 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1298 (strncmp(buf
, "AF ", 3) != 0) &&
1299 (strncmp(buf
, "NA ", 3) != 0) ) {
1300 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1301 x_fprintf(x_stdout
, "BH\n");
1302 data_blob_free(&request
);
1306 /* So we got a server challenge to generate a SPNEGO
1307 client-to-server request... */
1309 len
= read_spnego_data(request
, &spnego
);
1310 data_blob_free(&request
);
1313 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1314 x_fprintf(x_stdout
, "BH\n");
1318 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1320 /* The server offers a list of mechanisms */
1322 const char **mechType
= spnego
.negTokenInit
.mechTypes
;
1324 while (*mechType
!= NULL
) {
1327 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1328 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1329 if (manage_client_krb5_init(spnego
))
1334 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1335 if (manage_client_ntlmssp_init(spnego
))
1342 DEBUG(1, ("Server offered no compatible mechanism\n"));
1343 x_fprintf(x_stdout
, "BH\n");
1347 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1349 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1350 /* On accept/reject Windows does not send the
1351 mechanism anymore. Handle that here and
1352 shut down the mechanisms. */
1354 switch (spnego
.negTokenTarg
.negResult
) {
1355 case SPNEGO_ACCEPT_COMPLETED
:
1356 x_fprintf(x_stdout
, "AF\n");
1359 x_fprintf(x_stdout
, "NA\n");
1362 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1363 "unknown negResult: %d\n",
1364 spnego
.negTokenTarg
.negResult
));
1365 x_fprintf(x_stdout
, "BH\n");
1368 ntlmssp_end(&client_ntlmssp_state
);
1372 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1373 OID_NTLMSSP
) == 0) {
1374 manage_client_ntlmssp_targ(spnego
);
1379 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1380 OID_KERBEROS5_OLD
) == 0) {
1381 manage_client_krb5_targ(spnego
);
1388 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1389 x_fprintf(x_stdout
, "BH\n");
1393 free_spnego_data(&spnego
);
1397 static void manage_squid_request(enum stdio_helper_mode helper_mode
, stdio_helper_function fn
)
1399 char buf
[SQUID_BUFFER_SIZE
+1];
1404 /* this is not a typo - x_fgets doesn't work too well under squid */
1405 if (fgets(buf
, sizeof(buf
)-1, stdin
) == NULL
) {
1406 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin
),
1407 strerror(ferror(stdin
))));
1408 exit(1); /* BIIG buffer */
1411 c
=memchr(buf
,'\n',sizeof(buf
)-1);
1420 DEBUG(2, ("Oversized message\n"));
1421 x_fprintf(x_stderr
, "ERR\n");
1426 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
1428 if (buf
[0] == '\0') {
1429 DEBUG(2, ("Invalid Request\n"));
1430 x_fprintf(x_stderr
, "ERR\n");
1434 fn(helper_mode
, buf
, length
);
1438 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
1439 /* initialize FDescs */
1440 x_setbuf(x_stdout
, NULL
);
1441 x_setbuf(x_stderr
, NULL
);
1443 manage_squid_request(stdio_mode
, fn
);
1448 /* Authenticate a user with a challenge/response */
1450 static BOOL
check_auth_crap(void)
1459 static uint8 zeros
[16];
1461 x_setbuf(x_stdout
, NULL
);
1464 flags
|= WBFLAG_PAM_LMKEY
;
1467 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1469 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
1471 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1477 (unsigned char *)lm_key
,
1478 (unsigned char *)nt_key
,
1479 &error_string
, NULL
);
1481 if (!NT_STATUS_IS_OK(nt_status
)) {
1482 x_fprintf(x_stdout
, "%s (0x%x)\n",
1484 NT_STATUS_V(nt_status
));
1485 SAFE_FREE(error_string
);
1490 && (memcmp(zeros
, lm_key
,
1491 sizeof(lm_key
)) != 0)) {
1492 hex_encode((const unsigned char *)lm_key
,
1495 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
1496 SAFE_FREE(hex_lm_key
);
1499 && (memcmp(zeros
, nt_key
,
1500 sizeof(nt_key
)) != 0)) {
1501 hex_encode((const unsigned char *)nt_key
,
1504 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_nt_key
);
1505 SAFE_FREE(hex_nt_key
);
1512 Authenticate a user with a challenge/response, checking session key
1513 and valid authentication types
1516 static DATA_BLOB
get_challenge(void)
1518 static DATA_BLOB chal
;
1519 if (opt_challenge
.length
)
1520 return opt_challenge
;
1522 chal
= data_blob(NULL
, 8);
1524 generate_random_buffer(chal
.data
, chal
.length
, False
);
1529 * Test the normal 'LM and NTLM' combination
1532 static BOOL
test_lm_ntlm_broken(enum ntlm_break break_which
)
1537 DATA_BLOB lm_response
= data_blob(NULL
, 24);
1538 DATA_BLOB nt_response
= data_blob(NULL
, 24);
1539 DATA_BLOB session_key
= data_blob(NULL
, 16);
1545 DATA_BLOB chall
= get_challenge();
1548 ZERO_STRUCT(lm_key
);
1549 ZERO_STRUCT(nt_key
);
1551 flags
|= WBFLAG_PAM_LMKEY
;
1552 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1554 SMBencrypt(opt_password
,chall
.data
,lm_response
.data
);
1555 E_deshash(opt_password
, lm_hash
);
1557 SMBNTencrypt(opt_password
,chall
.data
,nt_response
.data
);
1559 E_md4hash(opt_password
, nt_hash
);
1560 SMBsesskeygen_ntv1(nt_hash
, NULL
, session_key
.data
);
1562 switch (break_which
) {
1566 lm_response
.data
[0]++;
1569 nt_response
.data
[0]++;
1572 data_blob_free(&lm_response
);
1575 data_blob_free(&nt_response
);
1579 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1587 &error_string
, NULL
);
1589 data_blob_free(&lm_response
);
1591 if (!NT_STATUS_IS_OK(nt_status
)) {
1592 d_printf("%s (0x%x)\n",
1594 NT_STATUS_V(nt_status
));
1595 SAFE_FREE(error_string
);
1596 return break_which
== BREAK_NT
;
1599 if (memcmp(lm_hash
, lm_key
,
1600 sizeof(lm_key
)) != 0) {
1601 DEBUG(1, ("LM Key does not match expectations!\n"));
1602 DEBUG(1, ("lm_key:\n"));
1603 dump_data(1, (const char *)lm_key
, 8);
1604 DEBUG(1, ("expected:\n"));
1605 dump_data(1, (const char *)lm_hash
, 8);
1609 if (break_which
== NO_NT
) {
1610 if (memcmp(lm_hash
, nt_key
,
1612 DEBUG(1, ("NT Session Key does not match expectations (should be LM hash)!\n"));
1613 DEBUG(1, ("nt_key:\n"));
1614 dump_data(1, (const char *)nt_key
, sizeof(nt_key
));
1615 DEBUG(1, ("expected:\n"));
1616 dump_data(1, (const char *)lm_hash
, sizeof(lm_hash
));
1620 if (memcmp(session_key
.data
, nt_key
,
1621 sizeof(nt_key
)) != 0) {
1622 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1623 DEBUG(1, ("nt_key:\n"));
1624 dump_data(1, (const char *)nt_key
, 16);
1625 DEBUG(1, ("expected:\n"));
1626 dump_data(1, (const char *)session_key
.data
, session_key
.length
);
1634 * Test LM authentication, no NT response supplied
1637 static BOOL
test_lm(void)
1640 return test_lm_ntlm_broken(NO_NT
);
1644 * Test the NTLM response only, no LM.
1647 static BOOL
test_ntlm(void)
1649 return test_lm_ntlm_broken(NO_LM
);
1653 * Test the NTLM response only, but in the LM field.
1656 static BOOL
test_ntlm_in_lm(void)
1661 DATA_BLOB nt_response
= data_blob(NULL
, 24);
1666 DATA_BLOB chall
= get_challenge();
1669 ZERO_STRUCT(nt_key
);
1671 flags
|= WBFLAG_PAM_LMKEY
;
1672 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1674 SMBNTencrypt(opt_password
,chall
.data
,nt_response
.data
);
1676 E_deshash(opt_password
, lm_hash
);
1678 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1686 &error_string
, NULL
);
1688 data_blob_free(&nt_response
);
1690 if (!NT_STATUS_IS_OK(nt_status
)) {
1691 d_printf("%s (0x%x)\n",
1693 NT_STATUS_V(nt_status
));
1694 SAFE_FREE(error_string
);
1698 if (memcmp(lm_hash
, lm_key
,
1699 sizeof(lm_key
)) != 0) {
1700 DEBUG(1, ("LM Key does not match expectations!\n"));
1701 DEBUG(1, ("lm_key:\n"));
1702 dump_data(1, (const char *)lm_key
, 8);
1703 DEBUG(1, ("expected:\n"));
1704 dump_data(1, (const char *)lm_hash
, 8);
1707 if (memcmp(lm_hash
, nt_key
, 8) != 0) {
1708 DEBUG(1, ("Session Key (first 8 lm hash) does not match expectations!\n"));
1709 DEBUG(1, ("nt_key:\n"));
1710 dump_data(1, (const char *)nt_key
, 16);
1711 DEBUG(1, ("expected:\n"));
1712 dump_data(1, (const char *)lm_hash
, 8);
1719 * Test the NTLM response only, but in the both the NT and LM fields.
1722 static BOOL
test_ntlm_in_both(void)
1727 DATA_BLOB nt_response
= data_blob(NULL
, 24);
1728 DATA_BLOB session_key
= data_blob(NULL
, 16);
1734 DATA_BLOB chall
= get_challenge();
1737 ZERO_STRUCT(lm_key
);
1738 ZERO_STRUCT(nt_key
);
1740 flags
|= WBFLAG_PAM_LMKEY
;
1741 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1743 SMBNTencrypt(opt_password
,chall
.data
,nt_response
.data
);
1744 E_md4hash(opt_password
, (unsigned char *)nt_hash
);
1745 SMBsesskeygen_ntv1((const unsigned char *)nt_hash
, NULL
, session_key
.data
);
1747 E_deshash(opt_password
, (unsigned char *)lm_hash
);
1749 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1755 (unsigned char *)lm_key
,
1756 (unsigned char *)nt_key
,
1757 &error_string
, NULL
);
1759 data_blob_free(&nt_response
);
1761 if (!NT_STATUS_IS_OK(nt_status
)) {
1762 d_printf("%s (0x%x)\n",
1764 NT_STATUS_V(nt_status
));
1765 SAFE_FREE(error_string
);
1769 if (memcmp(lm_hash
, lm_key
,
1770 sizeof(lm_key
)) != 0) {
1771 DEBUG(1, ("LM Key does not match expectations!\n"));
1772 DEBUG(1, ("lm_key:\n"));
1773 dump_data(1, lm_key
, 8);
1774 DEBUG(1, ("expected:\n"));
1775 dump_data(1, lm_hash
, 8);
1778 if (memcmp(session_key
.data
, nt_key
,
1779 sizeof(nt_key
)) != 0) {
1780 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1781 DEBUG(1, ("nt_key:\n"));
1782 dump_data(1, nt_key
, 16);
1783 DEBUG(1, ("expected:\n"));
1784 dump_data(1, (const char *)session_key
.data
, session_key
.length
);
1793 * Test the NTLMv2 and LMv2 responses
1796 static BOOL
test_lmv2_ntlmv2_broken(enum ntlm_break break_which
)
1801 DATA_BLOB ntlmv2_response
= data_blob(NULL
, 0);
1802 DATA_BLOB lmv2_response
= data_blob(NULL
, 0);
1803 DATA_BLOB user_session_key
= data_blob(NULL
, 0);
1804 DATA_BLOB names_blob
= NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
1807 DATA_BLOB chall
= get_challenge();
1810 ZERO_STRUCT(nt_key
);
1812 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1814 if (!SMBNTLMv2encrypt(opt_username
, opt_domain
, opt_password
, &chall
,
1816 &lmv2_response
, &ntlmv2_response
,
1817 &user_session_key
)) {
1818 data_blob_free(&names_blob
);
1821 data_blob_free(&names_blob
);
1823 switch (break_which
) {
1827 lmv2_response
.data
[0]++;
1830 ntlmv2_response
.data
[0]++;
1833 data_blob_free(&lmv2_response
);
1836 data_blob_free(&ntlmv2_response
);
1840 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1848 &error_string
, NULL
);
1850 data_blob_free(&lmv2_response
);
1851 data_blob_free(&ntlmv2_response
);
1853 if (!NT_STATUS_IS_OK(nt_status
)) {
1854 d_printf("%s (0x%x)\n",
1856 NT_STATUS_V(nt_status
));
1857 SAFE_FREE(error_string
);
1858 return break_which
== BREAK_NT
;
1861 if (break_which
!= NO_NT
&& break_which
!= BREAK_NT
&& memcmp(user_session_key
.data
, nt_key
,
1862 sizeof(nt_key
)) != 0) {
1863 DEBUG(1, ("USER (NT) Session Key does not match expectations!\n"));
1864 DEBUG(1, ("nt_key:\n"));
1865 dump_data(1, (const char *)nt_key
, 16);
1866 DEBUG(1, ("expected:\n"));
1867 dump_data(1, (const char *)user_session_key
.data
, user_session_key
.length
);
1874 * Test the NTLMv2 and LMv2 responses
1877 static BOOL
test_lmv2_ntlmv2(void)
1879 return test_lmv2_ntlmv2_broken(BREAK_NONE
);
1883 * Test the LMv2 response only
1886 static BOOL
test_lmv2(void)
1888 return test_lmv2_ntlmv2_broken(NO_NT
);
1892 * Test the NTLMv2 response only
1895 static BOOL
test_ntlmv2(void)
1897 return test_lmv2_ntlmv2_broken(NO_LM
);
1900 static BOOL
test_lm_ntlm(void)
1902 return test_lm_ntlm_broken(BREAK_NONE
);
1905 static BOOL
test_ntlm_lm_broken(void)
1907 return test_lm_ntlm_broken(BREAK_LM
);
1910 static BOOL
test_ntlm_ntlm_broken(void)
1912 return test_lm_ntlm_broken(BREAK_NT
);
1915 static BOOL
test_ntlmv2_lmv2_broken(void)
1917 return test_lmv2_ntlmv2_broken(BREAK_LM
);
1920 static BOOL
test_ntlmv2_ntlmv2_broken(void)
1922 return test_lmv2_ntlmv2_broken(BREAK_NT
);
1925 static BOOL
test_plaintext(enum ntlm_break break_which
)
1929 DATA_BLOB nt_response
= data_blob(NULL
, 0);
1930 DATA_BLOB lm_response
= data_blob(NULL
, 0);
1935 static const uchar zeros
[8];
1936 DATA_BLOB chall
= data_blob(zeros
, sizeof(zeros
));
1939 ZERO_STRUCT(nt_key
);
1941 flags
|= WBFLAG_PAM_LMKEY
;
1942 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1944 if ((push_ucs2_allocate((smb_ucs2_t
**)&nt_response
.data
, opt_password
)) == -1) {
1945 DEBUG(0, ("push_ucs2_allocate failed!\n"));
1949 nt_response
.length
= strlen_w(((void *)nt_response
.data
))*sizeof(smb_ucs2_t
);
1951 password
= strdup_upper(opt_password
);
1953 if ((convert_string_allocate(NULL
, CH_UNIX
,
1956 (void**)&lm_response
.data
,True
)) == -1) {
1957 DEBUG(0, ("push_ascii_allocate failed!\n"));
1961 SAFE_FREE(password
);
1963 lm_response
.length
= strlen(lm_response
.data
);
1965 switch (break_which
) {
1969 lm_response
.data
[0]++;
1972 nt_response
.data
[0]++;
1975 SAFE_FREE(lm_response
.data
);
1976 lm_response
.length
= 0;
1979 SAFE_FREE(nt_response
.data
);
1980 nt_response
.length
= 0;
1984 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1992 &error_string
, NULL
);
1994 SAFE_FREE(nt_response
.data
);
1995 SAFE_FREE(lm_response
.data
);
1996 data_blob_free(&chall
);
1998 if (!NT_STATUS_IS_OK(nt_status
)) {
1999 d_printf("%s (0x%x)\n",
2001 NT_STATUS_V(nt_status
));
2002 SAFE_FREE(error_string
);
2003 return break_which
== BREAK_NT
;
2006 return break_which
!= BREAK_NT
;
2009 static BOOL
test_plaintext_none_broken(void) {
2010 return test_plaintext(BREAK_NONE
);
2013 static BOOL
test_plaintext_lm_broken(void) {
2014 return test_plaintext(BREAK_LM
);
2017 static BOOL
test_plaintext_nt_broken(void) {
2018 return test_plaintext(BREAK_NT
);
2021 static BOOL
test_plaintext_nt_only(void) {
2022 return test_plaintext(NO_LM
);
2025 static BOOL
test_plaintext_lm_only(void) {
2026 return test_plaintext(NO_NT
);
2040 - plaintext tests (in challenge-response feilds)
2042 check we get the correct session key in each case
2043 check what values we get for the LM session key
2047 static const struct ntlm_tests
{
2052 {test_lm_ntlm
, "LM and NTLM"},
2053 {test_ntlm
, "NTLM"},
2054 {test_ntlm_in_lm
, "NTLM in LM"},
2055 {test_ntlm_in_both
, "NTLM in both"},
2056 {test_ntlmv2
, "NTLMv2"},
2057 {test_lmv2_ntlmv2
, "NTLMv2 and LMv2"},
2058 {test_lmv2
, "LMv2"},
2059 {test_ntlmv2_lmv2_broken
, "NTLMv2 and LMv2, LMv2 broken"},
2060 {test_ntlmv2_ntlmv2_broken
, "NTLMv2 and LMv2, NTLMv2 broken"},
2061 {test_ntlm_lm_broken
, "NTLM and LM, LM broken"},
2062 {test_ntlm_ntlm_broken
, "NTLM and LM, NTLM broken"},
2063 {test_plaintext_none_broken
, "Plaintext"},
2064 {test_plaintext_lm_broken
, "Plaintext LM broken"},
2065 {test_plaintext_nt_broken
, "Plaintext NT broken"},
2066 {test_plaintext_nt_only
, "Plaintext NT only"},
2067 {test_plaintext_lm_only
, "Plaintext LM only"}
2070 static BOOL
diagnose_ntlm_auth(void)
2075 for (i
=0; test_table
[i
].fn
; i
++) {
2076 if (!test_table
[i
].fn()) {
2077 DEBUG(1, ("Test %s failed!\n", test_table
[i
].name
));
2088 OPT_USERNAME
= 1000,
2099 OPT_REQUIRE_MEMBERSHIP
2102 int main(int argc
, const char **argv
)
2105 static const char *helper_protocol
;
2106 static int diagnostics
;
2108 static const char *hex_challenge
;
2109 static const char *hex_lm_response
;
2110 static const char *hex_nt_response
;
2114 /* NOTE: DO NOT change this interface without considering the implications!
2115 This is an external interface, which other programs will use to interact
2119 /* We do not use single-letter command abbreviations, because they harm future
2120 interface stability. */
2122 struct poptOption long_options
[] = {
2124 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
2125 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
2126 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
2127 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
2128 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
2129 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
2130 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2131 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
2132 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retreive LM session key"},
2133 { "request-nt-key", 0, POPT_ARG_NONE
, &request_nt_key
, OPT_NT_KEY
, "Retreive NT session key"},
2134 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
2135 { "require-membership-of", 0, POPT_ARG_STRING
, &require_membership_of
, OPT_REQUIRE_MEMBERSHIP
, "Require that a user be a member of this group (either name or SID) for authentication to succeed" },
2140 /* Samba client initialisation */
2144 /* Samba client initialisation */
2146 if (!lp_load(dyn_CONFIGFILE
, True
, False
, False
)) {
2147 d_fprintf(stderr
, "wbinfo: error opening config file %s. Error was %s\n",
2148 dyn_CONFIGFILE
, strerror(errno
));
2154 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
2156 /* Parse command line options */
2159 poptPrintHelp(pc
, stderr
, 0);
2163 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
2164 POPT_CONTEXT_KEEP_FIRST
);
2166 while((opt
= poptGetNextOpt(pc
)) != -1) {
2169 opt_challenge
= strhex_to_data_blob(hex_challenge
);
2170 if (opt_challenge
.length
!= 8) {
2171 x_fprintf(x_stderr
, "hex decode of %s failed!\n", hex_challenge
);
2176 opt_lm_response
= strhex_to_data_blob(hex_lm_response
);
2177 if (opt_lm_response
.length
!= 24) {
2178 x_fprintf(x_stderr
, "hex decode of %s failed!\n", hex_lm_response
);
2184 opt_nt_response
= strhex_to_data_blob(hex_nt_response
);
2185 if (opt_nt_response
.length
< 24) {
2186 x_fprintf(x_stderr
, "hex decode of %s failed!\n", hex_nt_response
);
2191 case OPT_REQUIRE_MEMBERSHIP
:
2192 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
2193 require_membership_sid
= require_membership_of
;
2199 if (helper_protocol
) {
2201 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2202 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
2203 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
2207 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
2209 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2210 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
2216 if (!opt_username
) {
2217 x_fprintf(x_stderr
, "username must be specified!\n\n");
2218 poptPrintHelp(pc
, stderr
, 0);
2222 if (opt_domain
== NULL
) {
2223 opt_domain
= get_winbind_domain();
2226 if (opt_workstation
== NULL
) {
2227 opt_workstation
= "";
2230 if (opt_challenge
.length
) {
2231 if (!check_auth_crap()) {
2237 if (!opt_password
) {
2238 opt_password
= getpass("password: ");
2242 if (!diagnose_ntlm_auth()) {
2248 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
2249 if (!check_plaintext_auth(user
, opt_password
, True
)) {
2256 poptFreeContext(pc
);