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.
26 #include "utils/ntlm_auth.h"
29 #define DBGC_CLASS DBGC_WINBIND
31 #define SQUID_BUFFER_SIZE 2010
33 enum stdio_helper_mode
{
44 typedef void (*stdio_helper_function
)(enum stdio_helper_mode stdio_helper_mode
,
45 char *buf
, int length
);
47 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode
,
48 char *buf
, int length
);
50 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
51 char *buf
, int length
);
53 static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
54 char *buf
, int length
);
56 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode
,
57 char *buf
, int length
);
59 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode
,
60 char *buf
, int length
);
62 static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode
,
63 char *buf
, int length
);
66 enum stdio_helper_mode mode
;
68 stdio_helper_function fn
;
69 } stdio_helper_protocols
[] = {
70 { SQUID_2_4_BASIC
, "squid-2.4-basic", manage_squid_basic_request
},
71 { SQUID_2_5_BASIC
, "squid-2.5-basic", manage_squid_basic_request
},
72 { SQUID_2_5_NTLMSSP
, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request
},
73 { NTLMSSP_CLIENT_1
, "ntlmssp-client-1", manage_client_ntlmssp_request
},
74 { GSS_SPNEGO
, "gss-spnego", manage_gss_spnego_request
},
75 { GSS_SPNEGO_CLIENT
, "gss-spnego-client", manage_gss_spnego_client_request
},
76 { NTLM_SERVER_1
, "ntlm-server-1", manage_ntlm_server_1_request
},
77 { NUM_HELPER_MODES
, NULL
, NULL
}
80 extern int winbindd_fd
;
82 const char *opt_username
;
83 const char *opt_domain
;
84 const char *opt_workstation
;
85 const char *opt_password
;
86 static DATA_BLOB opt_challenge
;
87 static DATA_BLOB opt_lm_response
;
88 static DATA_BLOB opt_nt_response
;
89 static int request_lm_key
;
90 static int request_user_session_key
;
92 static const char *require_membership_of
;
93 static const char *require_membership_of_sid
;
95 static char winbind_separator(void)
97 struct winbindd_response response
;
104 ZERO_STRUCT(response
);
106 /* Send off request */
108 if (winbindd_request_response(WINBINDD_INFO
, NULL
, &response
) !=
109 NSS_STATUS_SUCCESS
) {
110 d_printf("could not obtain winbind separator!\n");
111 return *lp_winbind_separator();
114 sep
= response
.data
.info
.winbind_separator
;
118 d_printf("winbind separator was NULL!\n");
119 return *lp_winbind_separator();
125 const char *get_winbind_domain(void)
127 struct winbindd_response response
;
129 static fstring winbind_domain
;
130 if (*winbind_domain
) {
131 return winbind_domain
;
134 ZERO_STRUCT(response
);
136 /* Send off request */
138 if (winbindd_request_response(WINBINDD_DOMAIN_NAME
, NULL
, &response
) !=
139 NSS_STATUS_SUCCESS
) {
140 DEBUG(0, ("could not obtain winbind domain name!\n"));
141 return lp_workgroup();
144 fstrcpy(winbind_domain
, response
.data
.domain_name
);
146 return winbind_domain
;
150 const char *get_winbind_netbios_name(void)
152 struct winbindd_response response
;
154 static fstring winbind_netbios_name
;
156 if (*winbind_netbios_name
) {
157 return winbind_netbios_name
;
160 ZERO_STRUCT(response
);
162 /* Send off request */
164 if (winbindd_request_response(WINBINDD_NETBIOS_NAME
, NULL
, &response
) !=
165 NSS_STATUS_SUCCESS
) {
166 DEBUG(0, ("could not obtain winbind netbios name!\n"));
167 return global_myname();
170 fstrcpy(winbind_netbios_name
, response
.data
.netbios_name
);
172 return winbind_netbios_name
;
176 DATA_BLOB
get_challenge(void)
178 static DATA_BLOB chal
;
179 if (opt_challenge
.length
)
180 return opt_challenge
;
182 chal
= data_blob(NULL
, 8);
184 generate_random_buffer(chal
.data
, chal
.length
);
188 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
189 form DOMAIN/user into a domain and a user */
191 static BOOL
parse_ntlm_auth_domain_user(const char *domuser
, fstring domain
,
195 char *p
= strchr(domuser
,winbind_separator());
202 fstrcpy(domain
, domuser
);
203 domain
[PTR_DIFF(p
, domuser
)] = 0;
209 static BOOL
get_require_membership_sid(void) {
210 struct winbindd_request request
;
211 struct winbindd_response response
;
213 if (!require_membership_of
) {
217 if (require_membership_of_sid
) {
221 /* Otherwise, ask winbindd for the name->sid request */
223 ZERO_STRUCT(request
);
224 ZERO_STRUCT(response
);
226 if (!parse_ntlm_auth_domain_user(require_membership_of
,
227 request
.data
.name
.dom_name
,
228 request
.data
.name
.name
)) {
229 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
230 require_membership_of
));
234 if (winbindd_request_response(WINBINDD_LOOKUPNAME
, &request
, &response
) !=
235 NSS_STATUS_SUCCESS
) {
236 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
237 require_membership_of
));
241 require_membership_of_sid
= SMB_STRDUP(response
.data
.sid
.sid
);
243 if (require_membership_of_sid
)
248 /* Authenticate a user with a plaintext password */
250 static BOOL
check_plaintext_auth(const char *user
, const char *pass
,
251 BOOL stdout_diagnostics
)
253 struct winbindd_request request
;
254 struct winbindd_response response
;
257 if (!get_require_membership_sid()) {
261 /* Send off request */
263 ZERO_STRUCT(request
);
264 ZERO_STRUCT(response
);
266 fstrcpy(request
.data
.auth
.user
, user
);
267 fstrcpy(request
.data
.auth
.pass
, pass
);
268 if (require_membership_of_sid
)
269 fstrcpy(request
.data
.auth
.require_membership_of_sid
, require_membership_of_sid
);
271 result
= winbindd_request_response(WINBINDD_PAM_AUTH
, &request
, &response
);
273 /* Display response */
275 if (stdout_diagnostics
) {
276 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
277 d_printf("Reading winbind reply failed! (0x01)\n");
280 d_printf("%s: %s (0x%x)\n",
281 response
.data
.auth
.nt_status_string
,
282 response
.data
.auth
.error_string
,
283 response
.data
.auth
.nt_status
);
285 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
286 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
289 DEBUG(3, ("%s: %s (0x%x)\n",
290 response
.data
.auth
.nt_status_string
,
291 response
.data
.auth
.error_string
,
292 response
.data
.auth
.nt_status
));
295 return (result
== NSS_STATUS_SUCCESS
);
298 /* authenticate a user with an encrypted username/password */
300 NTSTATUS
contact_winbind_auth_crap(const char *username
,
302 const char *workstation
,
303 const DATA_BLOB
*challenge
,
304 const DATA_BLOB
*lm_response
,
305 const DATA_BLOB
*nt_response
,
308 uint8 user_session_key
[16],
314 struct winbindd_request request
;
315 struct winbindd_response response
;
317 if (!get_require_membership_sid()) {
318 return NT_STATUS_INVALID_PARAMETER
;
321 ZERO_STRUCT(request
);
322 ZERO_STRUCT(response
);
324 request
.flags
= flags
;
326 request
.data
.auth_crap
.logon_parameters
= MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT
| MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT
;
328 if (require_membership_of_sid
)
329 fstrcpy(request
.data
.auth_crap
.require_membership_of_sid
, require_membership_of_sid
);
331 fstrcpy(request
.data
.auth_crap
.user
, username
);
332 fstrcpy(request
.data
.auth_crap
.domain
, domain
);
334 fstrcpy(request
.data
.auth_crap
.workstation
,
337 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
339 if (lm_response
&& lm_response
->length
) {
340 memcpy(request
.data
.auth_crap
.lm_resp
,
342 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
343 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
346 if (nt_response
&& nt_response
->length
) {
347 memcpy(request
.data
.auth_crap
.nt_resp
,
349 MIN(nt_response
->length
, sizeof(request
.data
.auth_crap
.nt_resp
)));
350 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
353 result
= winbindd_request_response(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
355 /* Display response */
357 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
358 nt_status
= NT_STATUS_UNSUCCESSFUL
;
360 *error_string
= smb_xstrdup("Reading winbind reply failed!");
361 free_response(&response
);
365 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
366 if (!NT_STATUS_IS_OK(nt_status
)) {
368 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
369 free_response(&response
);
373 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
) {
374 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
375 sizeof(response
.data
.auth
.first_8_lm_hash
));
377 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && user_session_key
) {
378 memcpy(user_session_key
, response
.data
.auth
.user_session_key
,
379 sizeof(response
.data
.auth
.user_session_key
));
382 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
383 *unix_name
= SMB_STRDUP((char *)response
.extra_data
);
385 free_response(&response
);
386 return NT_STATUS_NO_MEMORY
;
390 free_response(&response
);
394 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
396 static const char zeros
[16];
400 uint8 user_sess_key
[16];
403 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
404 ntlmssp_state
->workstation
,
405 &ntlmssp_state
->chal
,
406 &ntlmssp_state
->lm_resp
,
407 &ntlmssp_state
->nt_resp
,
408 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
409 lm_key
, user_sess_key
,
410 &error_string
, &unix_name
);
412 if (NT_STATUS_IS_OK(nt_status
)) {
413 if (memcmp(lm_key
, zeros
, 8) != 0) {
414 *lm_session_key
= data_blob(NULL
, 16);
415 memcpy(lm_session_key
->data
, lm_key
, 8);
416 memset(lm_session_key
->data
+8, '\0', 8);
419 if (memcmp(user_sess_key
, zeros
, 16) != 0) {
420 *user_session_key
= data_blob(user_sess_key
, 16);
422 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
423 SAFE_FREE(unix_name
);
425 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
426 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
427 ntlmssp_state
->domain
, ntlmssp_state
->user
,
428 ntlmssp_state
->workstation
,
429 error_string
? error_string
: "unknown error (NULL)"));
430 ntlmssp_state
->auth_context
= NULL
;
435 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
438 uint8 lm_pw
[16], nt_pw
[16];
440 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
442 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
443 &ntlmssp_state
->chal
,
444 &ntlmssp_state
->lm_resp
,
445 &ntlmssp_state
->nt_resp
,
449 ntlmssp_state
->domain
,
450 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
452 if (NT_STATUS_IS_OK(nt_status
)) {
453 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
454 "%s%c%s", ntlmssp_state
->domain
,
455 *lp_winbind_separator(),
456 ntlmssp_state
->user
);
458 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
459 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
460 nt_errstr(nt_status
)));
461 ntlmssp_state
->auth_context
= NULL
;
466 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
469 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
470 status
= NT_STATUS_UNSUCCESSFUL
;
471 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
472 return NT_STATUS_INVALID_PARAMETER
;
475 status
= ntlmssp_client_start(client_ntlmssp_state
);
477 if (!NT_STATUS_IS_OK(status
)) {
478 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
480 ntlmssp_end(client_ntlmssp_state
);
484 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
486 if (!NT_STATUS_IS_OK(status
)) {
487 DEBUG(1, ("Could not set username: %s\n",
489 ntlmssp_end(client_ntlmssp_state
);
493 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
495 if (!NT_STATUS_IS_OK(status
)) {
496 DEBUG(1, ("Could not set domain: %s\n",
498 ntlmssp_end(client_ntlmssp_state
);
502 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
504 if (!NT_STATUS_IS_OK(status
)) {
505 DEBUG(1, ("Could not set password: %s\n",
507 ntlmssp_end(client_ntlmssp_state
);
513 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
515 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
517 if (!NT_STATUS_IS_OK(status
)) {
518 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
523 /* Have we been given a local password, or should we ask winbind? */
525 (*ntlmssp_state
)->check_password
= local_pw_check
;
526 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
527 (*ntlmssp_state
)->get_global_myname
= global_myname
;
529 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
530 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
531 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
536 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
537 char *buf
, int length
)
539 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
540 DATA_BLOB request
, reply
;
543 if (strlen(buf
) < 2) {
544 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
545 x_fprintf(x_stdout
, "BH\n");
549 if (strlen(buf
) > 3) {
550 request
= base64_decode_data_blob(buf
+ 3);
552 request
= data_blob(NULL
, 0);
555 if ((strncmp(buf
, "PW ", 3) == 0)) {
556 /* The calling application wants us to use a local password (rather than winbindd) */
558 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
560 if (opt_password
== NULL
) {
561 DEBUG(1, ("Out of memory\n"));
562 x_fprintf(x_stdout
, "BH\n");
563 data_blob_free(&request
);
567 x_fprintf(x_stdout
, "OK\n");
568 data_blob_free(&request
);
572 if (strncmp(buf
, "YR", 2) == 0) {
574 ntlmssp_end(&ntlmssp_state
);
575 } else if (strncmp(buf
, "KK", 2) == 0) {
578 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
579 x_fprintf(x_stdout
, "BH\n");
583 if (!ntlmssp_state
) {
584 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
585 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
590 DEBUG(10, ("got NTLMSSP packet:\n"));
591 dump_data(10, (const char *)request
.data
, request
.length
);
593 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
595 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
596 char *reply_base64
= base64_encode_data_blob(reply
);
597 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
598 SAFE_FREE(reply_base64
);
599 data_blob_free(&reply
);
600 DEBUG(10, ("NTLMSSP challenge\n"));
601 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
602 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
603 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
605 ntlmssp_end(&ntlmssp_state
);
606 } else if (!NT_STATUS_IS_OK(nt_status
)) {
607 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
608 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
610 x_fprintf(x_stdout
, "AF %s\n", (char *)ntlmssp_state
->auth_context
);
611 DEBUG(10, ("NTLMSSP OK!\n"));
614 data_blob_free(&request
);
617 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
618 char *buf
, int length
)
620 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
621 DATA_BLOB request
, reply
;
625 if (strlen(buf
) < 2) {
626 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
627 x_fprintf(x_stdout
, "BH\n");
631 if (strlen(buf
) > 3) {
632 request
= base64_decode_data_blob(buf
+ 3);
634 request
= data_blob(NULL
, 0);
637 if (strncmp(buf
, "PW ", 3) == 0) {
638 /* We asked for a password and obviously got it :-) */
640 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
642 if (opt_password
== NULL
) {
643 DEBUG(1, ("Out of memory\n"));
644 x_fprintf(x_stdout
, "BH\n");
645 data_blob_free(&request
);
649 x_fprintf(x_stdout
, "OK\n");
650 data_blob_free(&request
);
654 if (opt_password
== NULL
) {
656 /* Request a password from the calling process. After
657 sending it, the calling process should retry asking for the negotiate. */
659 DEBUG(10, ("Requesting password\n"));
660 x_fprintf(x_stdout
, "PW\n");
664 if (strncmp(buf
, "YR", 2) == 0) {
666 ntlmssp_end(&ntlmssp_state
);
667 } else if (strncmp(buf
, "TT", 2) == 0) {
670 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
671 x_fprintf(x_stdout
, "BH\n");
675 if (!ntlmssp_state
) {
676 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_client(&ntlmssp_state
))) {
677 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
683 DEBUG(10, ("got NTLMSSP packet:\n"));
684 dump_data(10, (const char *)request
.data
, request
.length
);
686 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
688 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
689 char *reply_base64
= base64_encode_data_blob(reply
);
691 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
693 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
695 SAFE_FREE(reply_base64
);
696 data_blob_free(&reply
);
697 DEBUG(10, ("NTLMSSP challenge\n"));
698 } else if (NT_STATUS_IS_OK(nt_status
)) {
699 char *reply_base64
= base64_encode_data_blob(reply
);
700 x_fprintf(x_stdout
, "AF %s\n", reply_base64
);
701 DEBUG(10, ("NTLMSSP OK!\n"));
703 ntlmssp_end(&ntlmssp_state
);
705 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
706 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
708 ntlmssp_end(&ntlmssp_state
);
711 data_blob_free(&request
);
714 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode
,
715 char *buf
, int length
)
720 pass
=memchr(buf
,' ',length
);
722 DEBUG(2, ("Password not found. Denying access\n"));
723 x_fprintf(x_stdout
, "ERR\n");
729 if (stdio_helper_mode
== SQUID_2_5_BASIC
) {
730 rfc1738_unescape(user
);
731 rfc1738_unescape(pass
);
734 if (check_plaintext_auth(user
, pass
, False
)) {
735 x_fprintf(x_stdout
, "OK\n");
737 x_fprintf(x_stdout
, "ERR\n");
741 static void offer_gss_spnego_mechs(void) {
749 pstring myname_lower
;
753 pstrcpy(myname_lower
, global_myname());
754 strlower_m(myname_lower
);
756 pstr_sprintf(principal
, "%s$@%s", myname_lower
, lp_realm());
758 /* Server negTokenInit (mech offerings) */
759 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
760 spnego
.negTokenInit
.mechTypes
= SMB_XMALLOC_ARRAY(const char *, 2);
762 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
763 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
764 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
766 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
767 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
771 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
774 len
= write_spnego_data(&token
, &spnego
);
775 free_spnego_data(&spnego
);
778 DEBUG(1, ("Could not write SPNEGO data blob\n"));
779 x_fprintf(x_stdout
, "BH\n");
783 reply_base64
= base64_encode_data_blob(token
);
784 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
786 SAFE_FREE(reply_base64
);
787 data_blob_free(&token
);
788 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
792 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode
,
793 char *buf
, int length
)
795 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
796 SPNEGO_DATA request
, response
;
804 const char *reply_code
;
806 pstring reply_argument
;
808 if (strlen(buf
) < 2) {
809 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
810 x_fprintf(x_stdout
, "BH\n");
814 if (strncmp(buf
, "YR", 2) == 0) {
816 ntlmssp_end(&ntlmssp_state
);
817 } else if (strncmp(buf
, "KK", 2) == 0) {
820 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
821 x_fprintf(x_stdout
, "BH\n");
825 if ( (strlen(buf
) == 2)) {
827 /* no client data, get the negTokenInit offering
830 offer_gss_spnego_mechs();
834 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
836 if (strlen(buf
) <= 3) {
837 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
838 x_fprintf(x_stdout
, "BH\n");
842 token
= base64_decode_data_blob(buf
+ 3);
843 len
= read_spnego_data(token
, &request
);
844 data_blob_free(&token
);
847 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
848 x_fprintf(x_stdout
, "BH\n");
852 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
854 /* Second request from Client. This is where the
855 client offers its mechanism to use. */
857 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
858 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
859 DEBUG(1, ("Client did not offer any mechanism"));
860 x_fprintf(x_stdout
, "BH\n");
864 status
= NT_STATUS_UNSUCCESSFUL
;
865 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
867 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
868 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
869 x_fprintf(x_stdout
, "BH\n");
873 if ( ntlmssp_state
!= NULL
) {
874 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
875 "already got one\n"));
876 x_fprintf(x_stdout
, "BH\n");
877 ntlmssp_end(&ntlmssp_state
);
881 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
882 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
886 DEBUG(10, ("got NTLMSSP packet:\n"));
887 dump_data(10, (const char *)request
.negTokenInit
.mechToken
.data
,
888 request
.negTokenInit
.mechToken
.length
);
890 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
891 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
892 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
894 status
= ntlmssp_update(ntlmssp_state
,
895 request
.negTokenInit
.mechToken
,
896 &response
.negTokenTarg
.responseToken
);
900 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
902 TALLOC_CTX
*mem_ctx
= talloc_init("manage_gss_spnego_request");
905 DATA_BLOB session_key
;
907 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
908 DEBUG(1, ("Client did not provide Kerberos data\n"));
909 x_fprintf(x_stdout
, "BH\n");
913 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
914 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_KERBEROS5_OLD
);
915 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
916 response
.negTokenTarg
.responseToken
= data_blob(NULL
, 0);
918 status
= ads_verify_ticket(mem_ctx
, lp_realm(),
919 &request
.negTokenInit
.mechToken
,
920 &principal
, NULL
, &ap_rep
,
923 talloc_destroy(mem_ctx
);
925 /* Now in "principal" we have the name we are
928 if (NT_STATUS_IS_OK(status
)) {
930 domain
= strchr_m(principal
, '@');
932 if (domain
== NULL
) {
933 DEBUG(1, ("Did not get a valid principal "
934 "from ads_verify_ticket\n"));
935 x_fprintf(x_stdout
, "BH\n");
940 domain
= SMB_STRDUP(domain
);
941 user
= SMB_STRDUP(principal
);
943 data_blob_free(&ap_rep
);
945 SAFE_FREE(principal
);
952 if ( (request
.negTokenTarg
.supportedMech
== NULL
) ||
953 ( strcmp(request
.negTokenTarg
.supportedMech
, OID_NTLMSSP
) != 0 ) ) {
954 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
955 is the only one we support that sends this stuff */
956 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
957 request
.negTokenTarg
.supportedMech
));
958 x_fprintf(x_stdout
, "BH\n");
962 if (request
.negTokenTarg
.responseToken
.data
== NULL
) {
963 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
964 x_fprintf(x_stdout
, "BH\n");
968 status
= ntlmssp_update(ntlmssp_state
,
969 request
.negTokenTarg
.responseToken
,
970 &response
.negTokenTarg
.responseToken
);
972 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
973 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
974 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
976 if (NT_STATUS_IS_OK(status
)) {
977 user
= SMB_STRDUP(ntlmssp_state
->user
);
978 domain
= SMB_STRDUP(ntlmssp_state
->domain
);
979 ntlmssp_end(&ntlmssp_state
);
983 free_spnego_data(&request
);
985 if (NT_STATUS_IS_OK(status
)) {
986 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_COMPLETED
;
988 pstr_sprintf(reply_argument
, "%s\\%s", domain
, user
);
989 } else if (NT_STATUS_EQUAL(status
,
990 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
991 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
993 pstr_sprintf(reply_argument
, "*");
995 response
.negTokenTarg
.negResult
= SPNEGO_REJECT
;
997 pstrcpy(reply_argument
, nt_errstr(status
));
1003 len
= write_spnego_data(&token
, &response
);
1004 free_spnego_data(&response
);
1007 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1008 x_fprintf(x_stdout
, "BH\n");
1012 reply_base64
= base64_encode_data_blob(token
);
1014 x_fprintf(x_stdout
, "%s %s %s\n",
1015 reply_code
, reply_base64
, reply_argument
);
1017 SAFE_FREE(reply_base64
);
1018 data_blob_free(&token
);
1023 static NTLMSSP_STATE
*client_ntlmssp_state
= NULL
;
1025 static BOOL
manage_client_ntlmssp_init(SPNEGO_DATA spnego
)
1028 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1029 DATA_BLOB to_server
;
1030 char *to_server_base64
;
1031 const char *my_mechs
[] = {OID_NTLMSSP
, NULL
};
1033 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1035 if (client_ntlmssp_state
!= NULL
) {
1036 DEBUG(1, ("Request for initial SPNEGO request where "
1037 "we already have a state\n"));
1041 if (!client_ntlmssp_state
) {
1042 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state
))) {
1043 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1049 if (opt_password
== NULL
) {
1051 /* Request a password from the calling process. After
1052 sending it, the calling process should retry with
1053 the negTokenInit. */
1055 DEBUG(10, ("Requesting password\n"));
1056 x_fprintf(x_stdout
, "PW\n");
1060 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1061 spnego
.negTokenInit
.mechTypes
= my_mechs
;
1062 spnego
.negTokenInit
.reqFlags
= 0;
1063 spnego
.negTokenInit
.mechListMIC
= null_blob
;
1065 status
= ntlmssp_update(client_ntlmssp_state
, null_blob
,
1066 &spnego
.negTokenInit
.mechToken
);
1068 if ( !(NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
) ||
1069 NT_STATUS_IS_OK(status
)) ) {
1070 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1071 nt_errstr(status
)));
1072 ntlmssp_end(&client_ntlmssp_state
);
1076 write_spnego_data(&to_server
, &spnego
);
1077 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1079 to_server_base64
= base64_encode_data_blob(to_server
);
1080 data_blob_free(&to_server
);
1081 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1082 SAFE_FREE(to_server_base64
);
1086 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1089 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1091 DATA_BLOB to_server
;
1092 char *to_server_base64
;
1094 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1096 if (client_ntlmssp_state
== NULL
) {
1097 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1098 x_fprintf(x_stdout
, "BH\n");
1099 ntlmssp_end(&client_ntlmssp_state
);
1103 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1104 x_fprintf(x_stdout
, "NA\n");
1105 ntlmssp_end(&client_ntlmssp_state
);
1109 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1110 x_fprintf(x_stdout
, "AF\n");
1111 ntlmssp_end(&client_ntlmssp_state
);
1115 status
= ntlmssp_update(client_ntlmssp_state
,
1116 spnego
.negTokenTarg
.responseToken
,
1119 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1120 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1121 "ntlmssp_client_update, got: %s\n",
1122 nt_errstr(status
)));
1123 x_fprintf(x_stdout
, "BH\n");
1124 data_blob_free(&request
);
1125 ntlmssp_end(&client_ntlmssp_state
);
1129 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1130 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1131 spnego
.negTokenTarg
.supportedMech
= (char *)OID_NTLMSSP
;
1132 spnego
.negTokenTarg
.responseToken
= request
;
1133 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1135 write_spnego_data(&to_server
, &spnego
);
1136 data_blob_free(&request
);
1138 to_server_base64
= base64_encode_data_blob(to_server
);
1139 data_blob_free(&to_server
);
1140 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1141 SAFE_FREE(to_server_base64
);
1147 static BOOL
manage_client_krb5_init(SPNEGO_DATA spnego
)
1150 DATA_BLOB tkt
, to_server
;
1151 DATA_BLOB session_key_krb5
= data_blob(NULL
, 0);
1156 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1159 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1160 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1161 DEBUG(1, ("Did not get a principal for krb5\n"));
1165 principal
= SMB_MALLOC(spnego
.negTokenInit
.mechListMIC
.length
+1);
1167 if (principal
== NULL
) {
1168 DEBUG(1, ("Could not malloc principal\n"));
1172 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1173 spnego
.negTokenInit
.mechListMIC
.length
);
1174 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1176 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0);
1182 /* Let's try to first get the TGT, for that we need a
1185 if (opt_password
== NULL
) {
1186 DEBUG(10, ("Requesting password\n"));
1187 x_fprintf(x_stdout
, "PW\n");
1191 pstr_sprintf(user
, "%s@%s", opt_username
, opt_domain
);
1193 if ((retval
= kerberos_kinit_password(user
, opt_password
,
1195 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1199 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0);
1202 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1207 data_blob_free(&session_key_krb5
);
1211 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1212 reply
.negTokenInit
.mechTypes
= my_mechs
;
1213 reply
.negTokenInit
.reqFlags
= 0;
1214 reply
.negTokenInit
.mechToken
= tkt
;
1215 reply
.negTokenInit
.mechListMIC
= data_blob(NULL
, 0);
1217 len
= write_spnego_data(&to_server
, &reply
);
1218 data_blob_free(&tkt
);
1221 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1225 reply_base64
= base64_encode_data_blob(to_server
);
1226 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1228 SAFE_FREE(reply_base64
);
1229 data_blob_free(&to_server
);
1230 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1234 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1236 switch (spnego
.negTokenTarg
.negResult
) {
1237 case SPNEGO_ACCEPT_INCOMPLETE
:
1238 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1239 x_fprintf(x_stdout
, "BH\n");
1241 case SPNEGO_ACCEPT_COMPLETED
:
1242 DEBUG(10, ("Accept completed\n"));
1243 x_fprintf(x_stdout
, "AF\n");
1246 DEBUG(10, ("Rejected\n"));
1247 x_fprintf(x_stdout
, "NA\n");
1250 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1251 x_fprintf(x_stdout
, "AF\n");
1257 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode
,
1258 char *buf
, int length
)
1264 if (strlen(buf
) <= 3) {
1265 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1266 x_fprintf(x_stdout
, "BH\n");
1270 request
= base64_decode_data_blob(buf
+3);
1272 if (strncmp(buf
, "PW ", 3) == 0) {
1274 /* We asked for a password and obviously got it :-) */
1276 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
1278 if (opt_password
== NULL
) {
1279 DEBUG(1, ("Out of memory\n"));
1280 x_fprintf(x_stdout
, "BH\n");
1281 data_blob_free(&request
);
1285 x_fprintf(x_stdout
, "OK\n");
1286 data_blob_free(&request
);
1290 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1291 (strncmp(buf
, "AF ", 3) != 0) &&
1292 (strncmp(buf
, "NA ", 3) != 0) ) {
1293 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1294 x_fprintf(x_stdout
, "BH\n");
1295 data_blob_free(&request
);
1299 /* So we got a server challenge to generate a SPNEGO
1300 client-to-server request... */
1302 len
= read_spnego_data(request
, &spnego
);
1303 data_blob_free(&request
);
1306 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1307 x_fprintf(x_stdout
, "BH\n");
1311 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1313 /* The server offers a list of mechanisms */
1315 const char **mechType
= (const char **)spnego
.negTokenInit
.mechTypes
;
1317 while (*mechType
!= NULL
) {
1320 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1321 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1322 if (manage_client_krb5_init(spnego
))
1327 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1328 if (manage_client_ntlmssp_init(spnego
))
1335 DEBUG(1, ("Server offered no compatible mechanism\n"));
1336 x_fprintf(x_stdout
, "BH\n");
1340 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1342 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1343 /* On accept/reject Windows does not send the
1344 mechanism anymore. Handle that here and
1345 shut down the mechanisms. */
1347 switch (spnego
.negTokenTarg
.negResult
) {
1348 case SPNEGO_ACCEPT_COMPLETED
:
1349 x_fprintf(x_stdout
, "AF\n");
1352 x_fprintf(x_stdout
, "NA\n");
1355 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1356 "unknown negResult: %d\n",
1357 spnego
.negTokenTarg
.negResult
));
1358 x_fprintf(x_stdout
, "BH\n");
1361 ntlmssp_end(&client_ntlmssp_state
);
1365 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1366 OID_NTLMSSP
) == 0) {
1367 manage_client_ntlmssp_targ(spnego
);
1372 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1373 OID_KERBEROS5_OLD
) == 0) {
1374 manage_client_krb5_targ(spnego
);
1381 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1382 x_fprintf(x_stdout
, "BH\n");
1386 free_spnego_data(&spnego
);
1390 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode
,
1391 char *buf
, int length
)
1393 char *request
, *parameter
;
1394 static DATA_BLOB challenge
;
1395 static DATA_BLOB lm_response
;
1396 static DATA_BLOB nt_response
;
1397 static char *full_username
;
1398 static char *username
;
1399 static char *domain
;
1400 static char *plaintext_password
;
1401 static BOOL ntlm_server_1_user_session_key
;
1402 static BOOL ntlm_server_1_lm_session_key
;
1404 if (strequal(buf
, ".")) {
1405 if (!full_username
&& !username
) {
1406 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1407 } else if (plaintext_password
) {
1408 /* handle this request as plaintext */
1409 if (!full_username
) {
1410 if (asprintf(&full_username
, "%s%c%s", domain
, winbind_separator(), username
) == -1) {
1411 x_fprintf(x_stdout
, "Error: Out of memory in asprintf!\n.\n");
1415 if (check_plaintext_auth(full_username
, plaintext_password
, False
)) {
1416 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1418 x_fprintf(x_stdout
, "Authenticated: No\n");
1420 } else if (!lm_response
.data
&& !nt_response
.data
) {
1421 x_fprintf(x_stdout
, "Error: No password supplied!\n");
1422 } else if (!challenge
.data
) {
1423 x_fprintf(x_stdout
, "Error: No lanman-challenge supplied!\n");
1425 char *error_string
= NULL
;
1427 uchar user_session_key
[16];
1430 if (full_username
&& !username
) {
1432 fstring fstr_domain
;
1434 if (!parse_ntlm_auth_domain_user(full_username
, fstr_user
, fstr_domain
)) {
1435 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1436 x_fprintf(x_stdout
, "Error: Could not parse into domain and username\n");
1438 SAFE_FREE(username
);
1440 username
= smb_xstrdup(fstr_user
);
1441 domain
= smb_xstrdup(fstr_domain
);
1445 domain
= smb_xstrdup(get_winbind_domain());
1448 if (ntlm_server_1_lm_session_key
)
1449 flags
|= WBFLAG_PAM_LMKEY
;
1451 if (ntlm_server_1_user_session_key
)
1452 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1454 if (!NT_STATUS_IS_OK(
1455 contact_winbind_auth_crap(username
,
1467 x_fprintf(x_stdout
, "Authenticated: No\n");
1468 x_fprintf(x_stdout
, "Authentication-Error: %s\n.\n", error_string
);
1469 SAFE_FREE(error_string
);
1471 static char zeros
[16];
1473 char *hex_user_session_key
;
1475 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1477 if (ntlm_server_1_lm_session_key
1478 && (memcmp(zeros
, lm_key
,
1479 sizeof(lm_key
)) != 0)) {
1480 hex_lm_key
= hex_encode(NULL
,
1481 (const unsigned char *)lm_key
,
1483 x_fprintf(x_stdout
, "LANMAN-Session-Key: %s\n", hex_lm_key
);
1484 talloc_free(hex_lm_key
);
1487 if (ntlm_server_1_user_session_key
1488 && (memcmp(zeros
, user_session_key
,
1489 sizeof(user_session_key
)) != 0)) {
1490 hex_user_session_key
= hex_encode(NULL
,
1491 (const unsigned char *)user_session_key
,
1492 sizeof(user_session_key
));
1493 x_fprintf(x_stdout
, "User-Session-Key: %s\n", hex_user_session_key
);
1494 talloc_free(hex_user_session_key
);
1498 /* clear out the state */
1499 challenge
= data_blob(NULL
, 0);
1500 nt_response
= data_blob(NULL
, 0);
1501 lm_response
= data_blob(NULL
, 0);
1502 SAFE_FREE(full_username
);
1503 SAFE_FREE(username
);
1505 SAFE_FREE(plaintext_password
);
1506 ntlm_server_1_user_session_key
= False
;
1507 ntlm_server_1_lm_session_key
= False
;
1508 x_fprintf(x_stdout
, ".\n");
1515 /* Indicates a base64 encoded structure */
1516 parameter
= strstr_m(request
, ":: ");
1518 parameter
= strstr_m(request
, ": ");
1521 DEBUG(0, ("Parameter not found!\n"));
1522 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1539 base64_decode_inplace(parameter
);
1542 if (strequal(request
, "LANMAN-Challenge")) {
1543 challenge
= strhex_to_data_blob(NULL
, parameter
);
1544 if (challenge
.length
!= 8) {
1545 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1547 (int)challenge
.length
);
1548 challenge
= data_blob(NULL
, 0);
1550 } else if (strequal(request
, "NT-Response")) {
1551 nt_response
= strhex_to_data_blob(NULL
, parameter
);
1552 if (nt_response
.length
< 24) {
1553 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1555 (int)nt_response
.length
);
1556 nt_response
= data_blob(NULL
, 0);
1558 } else if (strequal(request
, "LANMAN-Response")) {
1559 lm_response
= strhex_to_data_blob(NULL
, parameter
);
1560 if (lm_response
.length
!= 24) {
1561 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1563 (int)lm_response
.length
);
1564 lm_response
= data_blob(NULL
, 0);
1566 } else if (strequal(request
, "Password")) {
1567 plaintext_password
= smb_xstrdup(parameter
);
1568 } else if (strequal(request
, "NT-Domain")) {
1569 domain
= smb_xstrdup(parameter
);
1570 } else if (strequal(request
, "Username")) {
1571 username
= smb_xstrdup(parameter
);
1572 } else if (strequal(request
, "Full-Username")) {
1573 full_username
= smb_xstrdup(parameter
);
1574 } else if (strequal(request
, "Request-User-Session-Key")) {
1575 ntlm_server_1_user_session_key
= strequal(parameter
, "Yes");
1576 } else if (strequal(request
, "Request-LanMan-Session-Key")) {
1577 ntlm_server_1_lm_session_key
= strequal(parameter
, "Yes");
1579 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
1583 static void manage_squid_request(enum stdio_helper_mode helper_mode
, stdio_helper_function fn
)
1585 char buf
[SQUID_BUFFER_SIZE
+1];
1590 /* this is not a typo - x_fgets doesn't work too well under squid */
1591 if (fgets(buf
, sizeof(buf
)-1, stdin
) == NULL
) {
1592 if (ferror(stdin
)) {
1593 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin
),
1594 strerror(ferror(stdin
))));
1596 exit(1); /* BIIG buffer */
1601 c
=memchr(buf
,'\n',sizeof(buf
)-1);
1610 DEBUG(2, ("Oversized message\n"));
1611 x_fprintf(x_stderr
, "ERR\n");
1616 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
1618 if (buf
[0] == '\0') {
1619 DEBUG(2, ("Invalid Request\n"));
1620 x_fprintf(x_stderr
, "ERR\n");
1624 fn(helper_mode
, buf
, length
);
1628 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
1629 /* initialize FDescs */
1630 x_setbuf(x_stdout
, NULL
);
1631 x_setbuf(x_stderr
, NULL
);
1633 manage_squid_request(stdio_mode
, fn
);
1638 /* Authenticate a user with a challenge/response */
1640 static BOOL
check_auth_crap(void)
1645 char user_session_key
[16];
1647 char *hex_user_session_key
;
1649 static uint8 zeros
[16];
1651 x_setbuf(x_stdout
, NULL
);
1654 flags
|= WBFLAG_PAM_LMKEY
;
1656 if (request_user_session_key
)
1657 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1659 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
1661 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1667 (unsigned char *)lm_key
,
1668 (unsigned char *)user_session_key
,
1669 &error_string
, NULL
);
1671 if (!NT_STATUS_IS_OK(nt_status
)) {
1672 x_fprintf(x_stdout
, "%s (0x%x)\n",
1674 NT_STATUS_V(nt_status
));
1675 SAFE_FREE(error_string
);
1680 && (memcmp(zeros
, lm_key
,
1681 sizeof(lm_key
)) != 0)) {
1682 hex_lm_key
= hex_encode(NULL
, (const unsigned char *)lm_key
,
1684 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
1685 talloc_free(hex_lm_key
);
1687 if (request_user_session_key
1688 && (memcmp(zeros
, user_session_key
,
1689 sizeof(user_session_key
)) != 0)) {
1690 hex_user_session_key
= hex_encode(NULL
, (const unsigned char *)user_session_key
,
1691 sizeof(user_session_key
));
1692 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_user_session_key
);
1693 talloc_free(hex_user_session_key
);
1702 OPT_USERNAME
= 1000,
1711 OPT_USER_SESSION_KEY
,
1713 OPT_REQUIRE_MEMBERSHIP
1716 int main(int argc
, const char **argv
)
1719 static const char *helper_protocol
;
1720 static int diagnostics
;
1722 static const char *hex_challenge
;
1723 static const char *hex_lm_response
;
1724 static const char *hex_nt_response
;
1728 /* NOTE: DO NOT change this interface without considering the implications!
1729 This is an external interface, which other programs will use to interact
1733 /* We do not use single-letter command abbreviations, because they harm future
1734 interface stability. */
1736 struct poptOption long_options
[] = {
1738 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
1739 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
1740 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
1741 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
1742 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
1743 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
1744 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
1745 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
1746 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retrieve LM session key"},
1747 { "request-nt-key", 0, POPT_ARG_NONE
, &request_user_session_key
, OPT_USER_SESSION_KEY
, "Retrieve User (NT) session key"},
1748 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
1749 { "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" },
1754 /* Samba client initialisation */
1759 /* Samba client initialisation */
1761 if (!lp_load(dyn_CONFIGFILE
, True
, False
, False
)) {
1762 d_fprintf(stderr
, "ntlm_auth: error opening config file %s. Error was %s\n",
1763 dyn_CONFIGFILE
, strerror(errno
));
1769 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
1771 /* Parse command line options */
1774 poptPrintHelp(pc
, stderr
, 0);
1778 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
1779 POPT_CONTEXT_KEEP_FIRST
);
1781 while((opt
= poptGetNextOpt(pc
)) != -1) {
1784 opt_challenge
= strhex_to_data_blob(NULL
, hex_challenge
);
1785 if (opt_challenge
.length
!= 8) {
1786 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1788 (int)opt_challenge
.length
);
1793 opt_lm_response
= strhex_to_data_blob(NULL
, hex_lm_response
);
1794 if (opt_lm_response
.length
!= 24) {
1795 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1797 (int)opt_lm_response
.length
);
1803 opt_nt_response
= strhex_to_data_blob(NULL
, hex_nt_response
);
1804 if (opt_nt_response
.length
< 24) {
1805 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1807 (int)opt_nt_response
.length
);
1812 case OPT_REQUIRE_MEMBERSHIP
:
1813 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
1814 require_membership_of_sid
= require_membership_of
;
1820 if (helper_protocol
) {
1822 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1823 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
1824 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
1828 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
1830 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1831 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
1837 if (!opt_username
) {
1838 x_fprintf(x_stderr
, "username must be specified!\n\n");
1839 poptPrintHelp(pc
, stderr
, 0);
1843 if (opt_domain
== NULL
) {
1844 opt_domain
= get_winbind_domain();
1847 if (opt_workstation
== NULL
) {
1848 opt_workstation
= "";
1851 if (opt_challenge
.length
) {
1852 if (!check_auth_crap()) {
1858 if (!opt_password
) {
1859 opt_password
= getpass("password: ");
1863 if (!diagnose_ntlm_auth()) {
1869 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
1870 if (!check_plaintext_auth(user
, opt_password
, True
)) {
1877 poptFreeContext(pc
);