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(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(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(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(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
= 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(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 if (require_membership_of_sid
)
327 fstrcpy(request
.data
.auth_crap
.require_membership_of_sid
, require_membership_of_sid
);
329 fstrcpy(request
.data
.auth_crap
.user
, username
);
330 fstrcpy(request
.data
.auth_crap
.domain
, domain
);
332 fstrcpy(request
.data
.auth_crap
.workstation
,
335 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
337 if (lm_response
&& lm_response
->length
) {
338 memcpy(request
.data
.auth_crap
.lm_resp
,
340 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
341 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
344 if (nt_response
&& nt_response
->length
) {
345 memcpy(request
.data
.auth_crap
.nt_resp
,
347 MIN(nt_response
->length
, sizeof(request
.data
.auth_crap
.nt_resp
)));
348 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
351 result
= winbindd_request(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
353 /* Display response */
355 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
356 nt_status
= NT_STATUS_UNSUCCESSFUL
;
358 *error_string
= smb_xstrdup("Reading winbind reply failed!");
359 free_response(&response
);
363 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
364 if (!NT_STATUS_IS_OK(nt_status
)) {
366 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
367 free_response(&response
);
371 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
) {
372 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
373 sizeof(response
.data
.auth
.first_8_lm_hash
));
375 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && user_session_key
) {
376 memcpy(user_session_key
, response
.data
.auth
.user_session_key
,
377 sizeof(response
.data
.auth
.user_session_key
));
380 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
381 *unix_name
= strdup((char *)response
.extra_data
);
383 free_response(&response
);
384 return NT_STATUS_NO_MEMORY
;
388 free_response(&response
);
392 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
394 static const char zeros
[16];
398 uint8 user_sess_key
[16];
401 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
402 ntlmssp_state
->workstation
,
403 &ntlmssp_state
->chal
,
404 &ntlmssp_state
->lm_resp
,
405 &ntlmssp_state
->nt_resp
,
406 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
407 lm_key
, user_sess_key
,
408 &error_string
, &unix_name
);
410 if (NT_STATUS_IS_OK(nt_status
)) {
411 if (memcmp(lm_key
, zeros
, 8) != 0) {
412 *lm_session_key
= data_blob(NULL
, 16);
413 memcpy(lm_session_key
->data
, lm_key
, 8);
414 memset(lm_session_key
->data
+8, '\0', 8);
417 if (memcmp(user_sess_key
, zeros
, 16) != 0) {
418 *user_session_key
= data_blob(user_sess_key
, 16);
420 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
421 SAFE_FREE(unix_name
);
423 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
424 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
425 ntlmssp_state
->domain
, ntlmssp_state
->user
,
426 ntlmssp_state
->workstation
,
427 error_string
? error_string
: "unknown error (NULL)"));
428 ntlmssp_state
->auth_context
= NULL
;
433 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
436 uint8 lm_pw
[16], nt_pw
[16];
438 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
440 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
441 &ntlmssp_state
->chal
,
442 &ntlmssp_state
->lm_resp
,
443 &ntlmssp_state
->nt_resp
,
447 ntlmssp_state
->domain
,
448 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
450 if (NT_STATUS_IS_OK(nt_status
)) {
451 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
452 "%s%c%s", ntlmssp_state
->domain
,
453 *lp_winbind_separator(),
454 ntlmssp_state
->user
);
456 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
457 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
458 nt_errstr(nt_status
)));
459 ntlmssp_state
->auth_context
= NULL
;
464 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
467 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
468 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
469 return NT_STATUS_INVALID_PARAMETER
;
472 status
= ntlmssp_client_start(client_ntlmssp_state
);
474 if (!NT_STATUS_IS_OK(status
)) {
475 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
477 ntlmssp_end(client_ntlmssp_state
);
481 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
483 if (!NT_STATUS_IS_OK(status
)) {
484 DEBUG(1, ("Could not set username: %s\n",
486 ntlmssp_end(client_ntlmssp_state
);
490 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
492 if (!NT_STATUS_IS_OK(status
)) {
493 DEBUG(1, ("Could not set domain: %s\n",
495 ntlmssp_end(client_ntlmssp_state
);
499 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
501 if (!NT_STATUS_IS_OK(status
)) {
502 DEBUG(1, ("Could not set password: %s\n",
504 ntlmssp_end(client_ntlmssp_state
);
510 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
512 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
514 if (!NT_STATUS_IS_OK(status
)) {
515 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
520 /* Have we been given a local password, or should we ask winbind? */
522 (*ntlmssp_state
)->check_password
= local_pw_check
;
523 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
524 (*ntlmssp_state
)->get_global_myname
= global_myname
;
526 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
527 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
528 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
533 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
534 char *buf
, int length
)
536 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
537 DATA_BLOB request
, reply
;
540 if (strlen(buf
) < 2) {
541 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
542 x_fprintf(x_stdout
, "BH\n");
546 if (strlen(buf
) > 3) {
547 request
= base64_decode_data_blob(buf
+ 3);
549 request
= data_blob(NULL
, 0);
552 if ((strncmp(buf
, "PW ", 3) == 0)) {
553 /* The calling application wants us to use a local password (rather than winbindd) */
555 opt_password
= strndup((const char *)request
.data
, request
.length
);
557 if (opt_password
== NULL
) {
558 DEBUG(1, ("Out of memory\n"));
559 x_fprintf(x_stdout
, "BH\n");
560 data_blob_free(&request
);
564 x_fprintf(x_stdout
, "OK\n");
565 data_blob_free(&request
);
569 if (strncmp(buf
, "YR", 2) == 0) {
571 ntlmssp_end(&ntlmssp_state
);
572 } else if (strncmp(buf
, "KK", 2) == 0) {
575 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
576 x_fprintf(x_stdout
, "BH\n");
580 if (!ntlmssp_state
) {
581 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
582 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
587 DEBUG(10, ("got NTLMSSP packet:\n"));
588 dump_data(10, (const char *)request
.data
, request
.length
);
590 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
592 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
593 char *reply_base64
= base64_encode_data_blob(reply
);
594 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
595 SAFE_FREE(reply_base64
);
596 data_blob_free(&reply
);
597 DEBUG(10, ("NTLMSSP challenge\n"));
598 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
599 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
600 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
602 ntlmssp_end(&ntlmssp_state
);
603 } else if (!NT_STATUS_IS_OK(nt_status
)) {
604 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
605 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
607 x_fprintf(x_stdout
, "AF %s\n", (char *)ntlmssp_state
->auth_context
);
608 DEBUG(10, ("NTLMSSP OK!\n"));
611 data_blob_free(&request
);
614 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
615 char *buf
, int length
)
617 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
618 DATA_BLOB request
, reply
;
622 if (strlen(buf
) < 2) {
623 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
624 x_fprintf(x_stdout
, "BH\n");
628 if (strlen(buf
) > 3) {
629 request
= base64_decode_data_blob(buf
+ 3);
631 request
= data_blob(NULL
, 0);
634 if (strncmp(buf
, "PW ", 3) == 0) {
635 /* We asked for a password and obviously got it :-) */
637 opt_password
= strndup((const char *)request
.data
, request
.length
);
639 if (opt_password
== NULL
) {
640 DEBUG(1, ("Out of memory\n"));
641 x_fprintf(x_stdout
, "BH\n");
642 data_blob_free(&request
);
646 x_fprintf(x_stdout
, "OK\n");
647 data_blob_free(&request
);
651 if (opt_password
== NULL
) {
653 /* Request a password from the calling process. After
654 sending it, the calling process should retry asking for the negotiate. */
656 DEBUG(10, ("Requesting password\n"));
657 x_fprintf(x_stdout
, "PW\n");
661 if (strncmp(buf
, "YR", 2) == 0) {
663 ntlmssp_end(&ntlmssp_state
);
664 } else if (strncmp(buf
, "TT", 2) == 0) {
667 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
668 x_fprintf(x_stdout
, "BH\n");
672 if (!ntlmssp_state
) {
673 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_client(&ntlmssp_state
))) {
674 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
680 DEBUG(10, ("got NTLMSSP packet:\n"));
681 dump_data(10, (const char *)request
.data
, request
.length
);
683 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
685 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
686 char *reply_base64
= base64_encode_data_blob(reply
);
688 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
690 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
692 SAFE_FREE(reply_base64
);
693 data_blob_free(&reply
);
694 DEBUG(10, ("NTLMSSP challenge\n"));
695 } else if (NT_STATUS_IS_OK(nt_status
)) {
696 x_fprintf(x_stdout
, "AF\n");
697 DEBUG(10, ("NTLMSSP OK!\n"));
699 ntlmssp_end(&ntlmssp_state
);
701 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
702 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
704 ntlmssp_end(&ntlmssp_state
);
707 data_blob_free(&request
);
710 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode
,
711 char *buf
, int length
)
716 pass
=memchr(buf
,' ',length
);
718 DEBUG(2, ("Password not found. Denying access\n"));
719 x_fprintf(x_stdout
, "ERR\n");
725 if (stdio_helper_mode
== SQUID_2_5_BASIC
) {
726 rfc1738_unescape(user
);
727 rfc1738_unescape(pass
);
730 if (check_plaintext_auth(user
, pass
, False
)) {
731 x_fprintf(x_stdout
, "OK\n");
733 x_fprintf(x_stdout
, "ERR\n");
737 static void offer_gss_spnego_mechs(void) {
745 pstring myname_lower
;
749 pstrcpy(myname_lower
, global_myname());
750 strlower_m(myname_lower
);
752 pstr_sprintf(principal
, "%s$@%s", myname_lower
, lp_realm());
754 /* Server negTokenInit (mech offerings) */
755 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
756 spnego
.negTokenInit
.mechTypes
= smb_xmalloc(sizeof(char *) * 3);
758 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
759 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
760 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
762 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
763 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
767 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
770 len
= write_spnego_data(&token
, &spnego
);
771 free_spnego_data(&spnego
);
774 DEBUG(1, ("Could not write SPNEGO data blob\n"));
775 x_fprintf(x_stdout
, "BH\n");
779 reply_base64
= base64_encode_data_blob(token
);
780 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
782 SAFE_FREE(reply_base64
);
783 data_blob_free(&token
);
784 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
788 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode
,
789 char *buf
, int length
)
791 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
792 SPNEGO_DATA request
, response
;
800 const char *reply_code
;
802 pstring reply_argument
;
804 if (strlen(buf
) < 2) {
805 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
806 x_fprintf(x_stdout
, "BH\n");
810 if (strncmp(buf
, "YR", 2) == 0) {
812 ntlmssp_end(&ntlmssp_state
);
813 } else if (strncmp(buf
, "KK", 2) == 0) {
816 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
817 x_fprintf(x_stdout
, "BH\n");
821 if ( (strlen(buf
) == 2)) {
823 /* no client data, get the negTokenInit offering
826 offer_gss_spnego_mechs();
830 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
832 if (strlen(buf
) <= 3) {
833 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
834 x_fprintf(x_stdout
, "BH\n");
838 token
= base64_decode_data_blob(buf
+ 3);
839 len
= read_spnego_data(token
, &request
);
840 data_blob_free(&token
);
843 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
844 x_fprintf(x_stdout
, "BH\n");
848 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
850 /* Second request from Client. This is where the
851 client offers its mechanism to use. */
853 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
854 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
855 DEBUG(1, ("Client did not offer any mechanism"));
856 x_fprintf(x_stdout
, "BH\n");
860 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
862 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
863 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
864 x_fprintf(x_stdout
, "BH\n");
868 if ( ntlmssp_state
!= NULL
) {
869 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
870 "already got one\n"));
871 x_fprintf(x_stdout
, "BH\n");
872 ntlmssp_end(&ntlmssp_state
);
876 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
877 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
881 DEBUG(10, ("got NTLMSSP packet:\n"));
882 dump_data(10, (const char *)request
.negTokenInit
.mechToken
.data
,
883 request
.negTokenInit
.mechToken
.length
);
885 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
886 response
.negTokenTarg
.supportedMech
= strdup(OID_NTLMSSP
);
887 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
889 status
= ntlmssp_update(ntlmssp_state
,
890 request
.negTokenInit
.mechToken
,
891 &response
.negTokenTarg
.responseToken
);
895 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
900 DATA_BLOB session_key
;
902 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
903 DEBUG(1, ("Client did not provide Kerberos data\n"));
904 x_fprintf(x_stdout
, "BH\n");
908 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
909 response
.negTokenTarg
.supportedMech
= strdup(OID_KERBEROS5_OLD
);
910 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
911 response
.negTokenTarg
.responseToken
= data_blob(NULL
, 0);
913 status
= ads_verify_ticket(lp_realm(),
914 &request
.negTokenInit
.mechToken
,
915 &principal
, &auth_data
, &ap_rep
,
918 /* Now in "principal" we have the name we are
921 if (NT_STATUS_IS_OK(status
)) {
923 domain
= strchr_m(principal
, '@');
925 if (domain
== NULL
) {
926 DEBUG(1, ("Did not get a valid principal "
927 "from ads_verify_ticket\n"));
928 x_fprintf(x_stdout
, "BH\n");
933 domain
= strdup(domain
);
934 user
= strdup(principal
);
936 data_blob_free(&ap_rep
);
937 data_blob_free(&auth_data
);
939 SAFE_FREE(principal
);
946 if ( (request
.negTokenTarg
.supportedMech
== NULL
) ||
947 ( strcmp(request
.negTokenTarg
.supportedMech
, OID_NTLMSSP
) != 0 ) ) {
948 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
949 is the only one we support that sends this stuff */
950 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
951 request
.negTokenTarg
.supportedMech
));
952 x_fprintf(x_stdout
, "BH\n");
956 if (request
.negTokenTarg
.responseToken
.data
== NULL
) {
957 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
958 x_fprintf(x_stdout
, "BH\n");
962 status
= ntlmssp_update(ntlmssp_state
,
963 request
.negTokenTarg
.responseToken
,
964 &response
.negTokenTarg
.responseToken
);
966 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
967 response
.negTokenTarg
.supportedMech
= strdup(OID_NTLMSSP
);
968 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
970 if (NT_STATUS_IS_OK(status
)) {
971 user
= strdup(ntlmssp_state
->user
);
972 domain
= strdup(ntlmssp_state
->domain
);
973 ntlmssp_end(&ntlmssp_state
);
977 free_spnego_data(&request
);
979 if (NT_STATUS_IS_OK(status
)) {
980 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_COMPLETED
;
982 pstr_sprintf(reply_argument
, "%s\\%s", domain
, user
);
983 } else if (NT_STATUS_EQUAL(status
,
984 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
985 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
987 pstr_sprintf(reply_argument
, "*");
989 response
.negTokenTarg
.negResult
= SPNEGO_REJECT
;
991 pstrcpy(reply_argument
, nt_errstr(status
));
997 len
= write_spnego_data(&token
, &response
);
998 free_spnego_data(&response
);
1001 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1002 x_fprintf(x_stdout
, "BH\n");
1006 reply_base64
= base64_encode_data_blob(token
);
1008 x_fprintf(x_stdout
, "%s %s %s\n",
1009 reply_code
, reply_base64
, reply_argument
);
1011 SAFE_FREE(reply_base64
);
1012 data_blob_free(&token
);
1017 static NTLMSSP_STATE
*client_ntlmssp_state
= NULL
;
1019 static BOOL
manage_client_ntlmssp_init(SPNEGO_DATA spnego
)
1022 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1023 DATA_BLOB to_server
;
1024 char *to_server_base64
;
1025 const char *my_mechs
[] = {OID_NTLMSSP
, NULL
};
1027 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1029 if (client_ntlmssp_state
!= NULL
) {
1030 DEBUG(1, ("Request for initial SPNEGO request where "
1031 "we already have a state\n"));
1035 if (!client_ntlmssp_state
) {
1036 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state
))) {
1037 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1043 if (opt_password
== NULL
) {
1045 /* Request a password from the calling process. After
1046 sending it, the calling process should retry with
1047 the negTokenInit. */
1049 DEBUG(10, ("Requesting password\n"));
1050 x_fprintf(x_stdout
, "PW\n");
1054 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1055 spnego
.negTokenInit
.mechTypes
= my_mechs
;
1056 spnego
.negTokenInit
.reqFlags
= 0;
1057 spnego
.negTokenInit
.mechListMIC
= null_blob
;
1059 status
= ntlmssp_update(client_ntlmssp_state
, null_blob
,
1060 &spnego
.negTokenInit
.mechToken
);
1062 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1063 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
1064 nt_errstr(status
)));
1065 ntlmssp_end(&client_ntlmssp_state
);
1069 write_spnego_data(&to_server
, &spnego
);
1070 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1072 to_server_base64
= base64_encode_data_blob(to_server
);
1073 data_blob_free(&to_server
);
1074 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1075 SAFE_FREE(to_server_base64
);
1079 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1082 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1084 DATA_BLOB to_server
;
1085 char *to_server_base64
;
1087 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1089 if (client_ntlmssp_state
== NULL
) {
1090 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1091 x_fprintf(x_stdout
, "BH\n");
1092 ntlmssp_end(&client_ntlmssp_state
);
1096 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1097 x_fprintf(x_stdout
, "NA\n");
1098 ntlmssp_end(&client_ntlmssp_state
);
1102 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1103 x_fprintf(x_stdout
, "AF\n");
1104 ntlmssp_end(&client_ntlmssp_state
);
1108 status
= ntlmssp_update(client_ntlmssp_state
,
1109 spnego
.negTokenTarg
.responseToken
,
1112 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1113 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1114 "ntlmssp_client_update, got: %s\n",
1115 nt_errstr(status
)));
1116 x_fprintf(x_stdout
, "BH\n");
1117 data_blob_free(&request
);
1118 ntlmssp_end(&client_ntlmssp_state
);
1122 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1123 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1124 spnego
.negTokenTarg
.supportedMech
= OID_NTLMSSP
;
1125 spnego
.negTokenTarg
.responseToken
= request
;
1126 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1128 write_spnego_data(&to_server
, &spnego
);
1129 data_blob_free(&request
);
1131 to_server_base64
= base64_encode_data_blob(to_server
);
1132 data_blob_free(&to_server
);
1133 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1134 SAFE_FREE(to_server_base64
);
1140 static BOOL
manage_client_krb5_init(SPNEGO_DATA spnego
)
1143 DATA_BLOB tkt
, to_server
;
1144 DATA_BLOB session_key_krb5
= data_blob(NULL
, 0);
1149 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1152 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1153 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1154 DEBUG(1, ("Did not get a principal for krb5\n"));
1158 principal
= malloc(spnego
.negTokenInit
.mechListMIC
.length
+1);
1160 if (principal
== NULL
) {
1161 DEBUG(1, ("Could not malloc principal\n"));
1165 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1166 spnego
.negTokenInit
.mechListMIC
.length
);
1167 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1169 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1175 /* Let's try to first get the TGT, for that we need a
1178 if (opt_password
== NULL
) {
1179 DEBUG(10, ("Requesting password\n"));
1180 x_fprintf(x_stdout
, "PW\n");
1184 pstr_sprintf(user
, "%s@%s", opt_username
, opt_domain
);
1186 if ((retval
= kerberos_kinit_password(user
, opt_password
,
1188 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1192 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1195 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1200 data_blob_free(&session_key_krb5
);
1204 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1205 reply
.negTokenInit
.mechTypes
= my_mechs
;
1206 reply
.negTokenInit
.reqFlags
= 0;
1207 reply
.negTokenInit
.mechToken
= tkt
;
1208 reply
.negTokenInit
.mechListMIC
= data_blob(NULL
, 0);
1210 len
= write_spnego_data(&to_server
, &reply
);
1211 data_blob_free(&tkt
);
1214 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1218 reply_base64
= base64_encode_data_blob(to_server
);
1219 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1221 SAFE_FREE(reply_base64
);
1222 data_blob_free(&to_server
);
1223 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1227 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1229 switch (spnego
.negTokenTarg
.negResult
) {
1230 case SPNEGO_ACCEPT_INCOMPLETE
:
1231 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1232 x_fprintf(x_stdout
, "BH\n");
1234 case SPNEGO_ACCEPT_COMPLETED
:
1235 DEBUG(10, ("Accept completed\n"));
1236 x_fprintf(x_stdout
, "AF\n");
1239 DEBUG(10, ("Rejected\n"));
1240 x_fprintf(x_stdout
, "NA\n");
1243 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1244 x_fprintf(x_stdout
, "AF\n");
1250 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode
,
1251 char *buf
, int length
)
1257 if (strlen(buf
) <= 3) {
1258 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1259 x_fprintf(x_stdout
, "BH\n");
1263 request
= base64_decode_data_blob(buf
+3);
1265 if (strncmp(buf
, "PW ", 3) == 0) {
1267 /* We asked for a password and obviously got it :-) */
1269 opt_password
= strndup((const char *)request
.data
, request
.length
);
1271 if (opt_password
== NULL
) {
1272 DEBUG(1, ("Out of memory\n"));
1273 x_fprintf(x_stdout
, "BH\n");
1274 data_blob_free(&request
);
1278 x_fprintf(x_stdout
, "OK\n");
1279 data_blob_free(&request
);
1283 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1284 (strncmp(buf
, "AF ", 3) != 0) &&
1285 (strncmp(buf
, "NA ", 3) != 0) ) {
1286 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1287 x_fprintf(x_stdout
, "BH\n");
1288 data_blob_free(&request
);
1292 /* So we got a server challenge to generate a SPNEGO
1293 client-to-server request... */
1295 len
= read_spnego_data(request
, &spnego
);
1296 data_blob_free(&request
);
1299 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1300 x_fprintf(x_stdout
, "BH\n");
1304 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1306 /* The server offers a list of mechanisms */
1308 const char **mechType
= spnego
.negTokenInit
.mechTypes
;
1310 while (*mechType
!= NULL
) {
1313 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1314 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1315 if (manage_client_krb5_init(spnego
))
1320 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1321 if (manage_client_ntlmssp_init(spnego
))
1328 DEBUG(1, ("Server offered no compatible mechanism\n"));
1329 x_fprintf(x_stdout
, "BH\n");
1333 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1335 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1336 /* On accept/reject Windows does not send the
1337 mechanism anymore. Handle that here and
1338 shut down the mechanisms. */
1340 switch (spnego
.negTokenTarg
.negResult
) {
1341 case SPNEGO_ACCEPT_COMPLETED
:
1342 x_fprintf(x_stdout
, "AF\n");
1345 x_fprintf(x_stdout
, "NA\n");
1348 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1349 "unknown negResult: %d\n",
1350 spnego
.negTokenTarg
.negResult
));
1351 x_fprintf(x_stdout
, "BH\n");
1354 ntlmssp_end(&client_ntlmssp_state
);
1358 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1359 OID_NTLMSSP
) == 0) {
1360 manage_client_ntlmssp_targ(spnego
);
1365 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1366 OID_KERBEROS5_OLD
) == 0) {
1367 manage_client_krb5_targ(spnego
);
1374 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1375 x_fprintf(x_stdout
, "BH\n");
1379 free_spnego_data(&spnego
);
1383 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode
,
1384 char *buf
, int length
)
1386 char *request
, *parameter
;
1387 static DATA_BLOB challenge
;
1388 static DATA_BLOB lm_response
;
1389 static DATA_BLOB nt_response
;
1390 static char *full_username
;
1391 static char *username
;
1392 static char *domain
;
1393 static char *plaintext_password
;
1394 static BOOL ntlm_server_1_user_session_key
;
1395 static BOOL ntlm_server_1_lm_session_key
;
1397 if (strequal(buf
, ".")) {
1398 if (!full_username
&& !username
) {
1399 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1400 } else if (plaintext_password
) {
1401 /* handle this request as plaintext */
1402 if (!full_username
) {
1403 if (asprintf(&full_username
, "%s%c%s", domain
, winbind_separator(), username
) == -1) {
1404 x_fprintf(x_stdout
, "Error: Out of memory in asprintf!\n.\n");
1408 if (check_plaintext_auth(full_username
, plaintext_password
, False
)) {
1409 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1411 x_fprintf(x_stdout
, "Authenticated: No\n");
1413 } else if (!lm_response
.data
&& !nt_response
.data
) {
1414 x_fprintf(x_stdout
, "Error: No password supplied!\n");
1415 } else if (!challenge
.data
) {
1416 x_fprintf(x_stdout
, "Error: No lanman-challenge supplied!\n");
1418 char *error_string
= NULL
;
1420 uchar user_session_key
[16];
1423 if (full_username
&& !username
) {
1425 fstring fstr_domain
;
1427 if (!parse_ntlm_auth_domain_user(full_username
, fstr_user
, fstr_domain
)) {
1428 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1429 x_fprintf(x_stdout
, "Error: Could not parse into domain and username\n");
1431 SAFE_FREE(username
);
1433 username
= smb_xstrdup(fstr_user
);
1434 domain
= smb_xstrdup(fstr_domain
);
1438 domain
= smb_xstrdup(get_winbind_domain());
1441 if (ntlm_server_1_lm_session_key
)
1442 flags
|= WBFLAG_PAM_LMKEY
;
1444 if (ntlm_server_1_user_session_key
)
1445 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1447 if (!NT_STATUS_IS_OK(
1448 contact_winbind_auth_crap(username
,
1460 x_fprintf(x_stdout
, "Authenticated: No\n");
1461 x_fprintf(x_stdout
, "Authentication-Error: %s\n.\n", error_string
);
1462 SAFE_FREE(error_string
);
1464 static char zeros
[16];
1466 char *hex_user_session_key
;
1468 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1470 if (ntlm_server_1_lm_session_key
1471 && (memcmp(zeros
, lm_key
,
1472 sizeof(lm_key
)) != 0)) {
1473 hex_encode((const unsigned char *)lm_key
,
1476 x_fprintf(x_stdout
, "LANMAN-Session-Key: %s\n", hex_lm_key
);
1477 SAFE_FREE(hex_lm_key
);
1480 if (ntlm_server_1_user_session_key
1481 && (memcmp(zeros
, user_session_key
,
1482 sizeof(user_session_key
)) != 0)) {
1483 hex_encode((const unsigned char *)user_session_key
,
1484 sizeof(user_session_key
),
1485 &hex_user_session_key
);
1486 x_fprintf(x_stdout
, "User-Session-Key: %s\n", hex_user_session_key
);
1487 SAFE_FREE(hex_user_session_key
);
1491 /* clear out the state */
1492 challenge
= data_blob(NULL
, 0);
1493 nt_response
= data_blob(NULL
, 0);
1494 lm_response
= data_blob(NULL
, 0);
1495 SAFE_FREE(full_username
);
1496 SAFE_FREE(username
);
1498 SAFE_FREE(plaintext_password
);
1499 ntlm_server_1_user_session_key
= False
;
1500 ntlm_server_1_lm_session_key
= False
;
1501 x_fprintf(x_stdout
, ".\n");
1508 /* Indicates a base64 encoded structure */
1509 parameter
= strstr_m(request
, ":: ");
1511 parameter
= strstr_m(request
, ": ");
1514 DEBUG(0, ("Parameter not found!\n"));
1515 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1532 base64_decode_inplace(parameter
);
1535 if (strequal(request
, "LANMAN-Challenge")) {
1536 challenge
= strhex_to_data_blob(parameter
);
1537 if (challenge
.length
!= 8) {
1538 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1540 (int)challenge
.length
);
1541 challenge
= data_blob(NULL
, 0);
1543 } else if (strequal(request
, "NT-Response")) {
1544 nt_response
= strhex_to_data_blob(parameter
);
1545 if (nt_response
.length
< 24) {
1546 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1548 (int)nt_response
.length
);
1549 nt_response
= data_blob(NULL
, 0);
1551 } else if (strequal(request
, "LANMAN-Response")) {
1552 lm_response
= strhex_to_data_blob(parameter
);
1553 if (lm_response
.length
!= 24) {
1554 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1556 (int)lm_response
.length
);
1557 lm_response
= data_blob(NULL
, 0);
1559 } else if (strequal(request
, "Password")) {
1560 plaintext_password
= smb_xstrdup(parameter
);
1561 } else if (strequal(request
, "NT-Domain")) {
1562 domain
= smb_xstrdup(parameter
);
1563 } else if (strequal(request
, "Username")) {
1564 username
= smb_xstrdup(parameter
);
1565 } else if (strequal(request
, "Full-Username")) {
1566 full_username
= smb_xstrdup(parameter
);
1567 } else if (strequal(request
, "Request-User-Session-Key")) {
1568 ntlm_server_1_user_session_key
= strequal(parameter
, "Yes");
1569 } else if (strequal(request
, "Request-LanMan-Session-Key")) {
1570 ntlm_server_1_lm_session_key
= strequal(parameter
, "Yes");
1572 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
1576 static void manage_squid_request(enum stdio_helper_mode helper_mode
, stdio_helper_function fn
)
1578 char buf
[SQUID_BUFFER_SIZE
+1];
1583 /* this is not a typo - x_fgets doesn't work too well under squid */
1584 if (fgets(buf
, sizeof(buf
)-1, stdin
) == NULL
) {
1585 if (ferror(stdin
)) {
1586 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin
),
1587 strerror(ferror(stdin
))));
1589 exit(1); /* BIIG buffer */
1594 c
=memchr(buf
,'\n',sizeof(buf
)-1);
1603 DEBUG(2, ("Oversized message\n"));
1604 x_fprintf(x_stderr
, "ERR\n");
1609 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
1611 if (buf
[0] == '\0') {
1612 DEBUG(2, ("Invalid Request\n"));
1613 x_fprintf(x_stderr
, "ERR\n");
1617 fn(helper_mode
, buf
, length
);
1621 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
1622 /* initialize FDescs */
1623 x_setbuf(x_stdout
, NULL
);
1624 x_setbuf(x_stderr
, NULL
);
1626 manage_squid_request(stdio_mode
, fn
);
1631 /* Authenticate a user with a challenge/response */
1633 static BOOL
check_auth_crap(void)
1638 char user_session_key
[16];
1640 char *hex_user_session_key
;
1642 static uint8 zeros
[16];
1644 x_setbuf(x_stdout
, NULL
);
1647 flags
|= WBFLAG_PAM_LMKEY
;
1649 if (request_user_session_key
)
1650 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1652 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
1654 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1660 (unsigned char *)lm_key
,
1661 (unsigned char *)user_session_key
,
1662 &error_string
, NULL
);
1664 if (!NT_STATUS_IS_OK(nt_status
)) {
1665 x_fprintf(x_stdout
, "%s (0x%x)\n",
1667 NT_STATUS_V(nt_status
));
1668 SAFE_FREE(error_string
);
1673 && (memcmp(zeros
, lm_key
,
1674 sizeof(lm_key
)) != 0)) {
1675 hex_encode((const unsigned char *)lm_key
,
1678 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
1679 SAFE_FREE(hex_lm_key
);
1681 if (request_user_session_key
1682 && (memcmp(zeros
, user_session_key
,
1683 sizeof(user_session_key
)) != 0)) {
1684 hex_encode((const unsigned char *)user_session_key
,
1685 sizeof(user_session_key
),
1686 &hex_user_session_key
);
1687 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_user_session_key
);
1688 SAFE_FREE(hex_user_session_key
);
1697 OPT_USERNAME
= 1000,
1706 OPT_USER_SESSION_KEY
,
1708 OPT_REQUIRE_MEMBERSHIP
1711 int main(int argc
, const char **argv
)
1714 static const char *helper_protocol
;
1715 static int diagnostics
;
1717 static const char *hex_challenge
;
1718 static const char *hex_lm_response
;
1719 static const char *hex_nt_response
;
1723 /* NOTE: DO NOT change this interface without considering the implications!
1724 This is an external interface, which other programs will use to interact
1728 /* We do not use single-letter command abbreviations, because they harm future
1729 interface stability. */
1731 struct poptOption long_options
[] = {
1733 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
1734 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
1735 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
1736 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
1737 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
1738 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
1739 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
1740 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
1741 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retreive LM session key"},
1742 { "request-nt-key", 0, POPT_ARG_NONE
, &request_user_session_key
, OPT_USER_SESSION_KEY
, "Retreive User (NT) session key"},
1743 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
1744 { "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" },
1749 /* Samba client initialisation */
1753 /* Samba client initialisation */
1755 if (!lp_load(dyn_CONFIGFILE
, True
, False
, False
)) {
1756 d_fprintf(stderr
, "ntlm_auth: error opening config file %s. Error was %s\n",
1757 dyn_CONFIGFILE
, strerror(errno
));
1763 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
1765 /* Parse command line options */
1768 poptPrintHelp(pc
, stderr
, 0);
1772 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
1773 POPT_CONTEXT_KEEP_FIRST
);
1775 while((opt
= poptGetNextOpt(pc
)) != -1) {
1778 opt_challenge
= strhex_to_data_blob(hex_challenge
);
1779 if (opt_challenge
.length
!= 8) {
1780 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1782 (int)opt_challenge
.length
);
1787 opt_lm_response
= strhex_to_data_blob(hex_lm_response
);
1788 if (opt_lm_response
.length
!= 24) {
1789 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1791 (int)opt_lm_response
.length
);
1797 opt_nt_response
= strhex_to_data_blob(hex_nt_response
);
1798 if (opt_nt_response
.length
< 24) {
1799 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1801 (int)opt_nt_response
.length
);
1806 case OPT_REQUIRE_MEMBERSHIP
:
1807 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
1808 require_membership_of_sid
= require_membership_of
;
1814 if (helper_protocol
) {
1816 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1817 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
1818 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
1822 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
1824 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1825 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
1831 if (!opt_username
) {
1832 x_fprintf(x_stderr
, "username must be specified!\n\n");
1833 poptPrintHelp(pc
, stderr
, 0);
1837 if (opt_domain
== NULL
) {
1838 opt_domain
= get_winbind_domain();
1841 if (opt_workstation
== NULL
) {
1842 opt_workstation
= "";
1845 if (opt_challenge
.length
) {
1846 if (!check_auth_crap()) {
1852 if (!opt_password
) {
1853 opt_password
= getpass("password: ");
1857 if (!diagnose_ntlm_auth()) {
1863 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
1864 if (!check_plaintext_auth(user
, opt_password
, True
)) {
1871 poptFreeContext(pc
);