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_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
, False
);
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_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_sid
= strdup(response
.data
.sid
.sid
);
243 if (require_membership_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_sid
)
269 fstrcpy(request
.data
.auth
.required_membership_sid
, require_membership_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_sid
)
327 fstrcpy(request
.data
.auth_crap
.required_membership_sid
, require_membership_sid
);
329 if (push_utf8_fstring(request
.data
.auth_crap
.user
, username
) == -1) {
330 *error_string
= smb_xstrdup(
331 "unable to create utf8 string for username");
332 return NT_STATUS_UNSUCCESSFUL
;
335 if (push_utf8_fstring(request
.data
.auth_crap
.domain
, domain
) == -1) {
336 *error_string
= smb_xstrdup(
337 "unable to create utf8 string for domain");
338 return NT_STATUS_UNSUCCESSFUL
;
341 if (push_utf8_fstring(request
.data
.auth_crap
.workstation
,
342 workstation
) == -1) {
343 *error_string
= smb_xstrdup(
344 "unable to create utf8 string for workstation");
345 return NT_STATUS_UNSUCCESSFUL
;
348 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
350 if (lm_response
&& lm_response
->length
) {
351 memcpy(request
.data
.auth_crap
.lm_resp
,
353 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
354 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
357 if (nt_response
&& nt_response
->length
) {
358 memcpy(request
.data
.auth_crap
.nt_resp
,
360 MIN(nt_response
->length
, sizeof(request
.data
.auth_crap
.nt_resp
)));
361 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
364 result
= winbindd_request(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
366 /* Display response */
368 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
369 nt_status
= NT_STATUS_UNSUCCESSFUL
;
371 *error_string
= smb_xstrdup("Reading winbind reply failed!");
375 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
376 if (!NT_STATUS_IS_OK(nt_status
)) {
378 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
382 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
) {
383 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
384 sizeof(response
.data
.auth
.first_8_lm_hash
));
386 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && user_session_key
) {
387 memcpy(user_session_key
, response
.data
.auth
.user_session_key
,
388 sizeof(response
.data
.auth
.user_session_key
));
391 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
392 if (pull_utf8_allocate(unix_name
, (char *)response
.extra_data
) == -1) {
393 return NT_STATUS_NO_MEMORY
;
400 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
402 static const char zeros
[16];
406 uint8 user_sess_key
[16];
409 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
410 ntlmssp_state
->workstation
,
411 &ntlmssp_state
->chal
,
412 &ntlmssp_state
->lm_resp
,
413 &ntlmssp_state
->nt_resp
,
414 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
415 lm_key
, user_sess_key
,
416 &error_string
, &unix_name
);
418 if (NT_STATUS_IS_OK(nt_status
)) {
419 if (memcmp(lm_key
, zeros
, 8) != 0) {
420 *lm_session_key
= data_blob(NULL
, 16);
421 memcpy(lm_session_key
->data
, lm_key
, 8);
422 memset(lm_session_key
->data
+8, '\0', 8);
425 if (memcmp(user_sess_key
, zeros
, 16) != 0) {
426 *user_session_key
= data_blob(user_sess_key
, 16);
428 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
429 SAFE_FREE(unix_name
);
431 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
432 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
433 ntlmssp_state
->domain
, ntlmssp_state
->user
,
434 ntlmssp_state
->workstation
,
435 error_string
? error_string
: "unknown error (NULL)"));
436 ntlmssp_state
->auth_context
= NULL
;
441 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
444 uint8 lm_pw
[16], nt_pw
[16];
446 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
448 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
449 &ntlmssp_state
->chal
,
450 &ntlmssp_state
->lm_resp
,
451 &ntlmssp_state
->nt_resp
,
455 ntlmssp_state
->domain
,
456 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
458 if (NT_STATUS_IS_OK(nt_status
)) {
459 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
460 "%s%c%s", ntlmssp_state
->domain
,
461 *lp_winbind_separator(),
462 ntlmssp_state
->user
);
464 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
465 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
466 nt_errstr(nt_status
)));
467 ntlmssp_state
->auth_context
= NULL
;
472 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
475 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
476 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
480 status
= ntlmssp_client_start(client_ntlmssp_state
);
482 if (!NT_STATUS_IS_OK(status
)) {
483 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
485 ntlmssp_end(client_ntlmssp_state
);
489 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
491 if (!NT_STATUS_IS_OK(status
)) {
492 DEBUG(1, ("Could not set username: %s\n",
494 ntlmssp_end(client_ntlmssp_state
);
498 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
500 if (!NT_STATUS_IS_OK(status
)) {
501 DEBUG(1, ("Could not set domain: %s\n",
503 ntlmssp_end(client_ntlmssp_state
);
507 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
509 if (!NT_STATUS_IS_OK(status
)) {
510 DEBUG(1, ("Could not set password: %s\n",
512 ntlmssp_end(client_ntlmssp_state
);
518 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
520 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
522 if (!NT_STATUS_IS_OK(status
)) {
523 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
528 /* Have we been given a local password, or should we ask winbind? */
530 (*ntlmssp_state
)->check_password
= local_pw_check
;
531 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
532 (*ntlmssp_state
)->get_global_myname
= global_myname
;
534 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
535 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
536 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
541 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
542 char *buf
, int length
)
544 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
545 DATA_BLOB request
, reply
;
548 if (strlen(buf
) < 2) {
549 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
550 x_fprintf(x_stdout
, "BH\n");
554 if (strlen(buf
) > 3) {
555 request
= base64_decode_data_blob(buf
+ 3);
557 request
= data_blob(NULL
, 0);
560 if ((strncmp(buf
, "PW ", 3) == 0)) {
561 /* The calling application wants us to use a local password (rather than winbindd) */
563 opt_password
= strndup((const char *)request
.data
, request
.length
);
565 if (opt_password
== NULL
) {
566 DEBUG(1, ("Out of memory\n"));
567 x_fprintf(x_stdout
, "BH\n");
568 data_blob_free(&request
);
572 x_fprintf(x_stdout
, "OK\n");
573 data_blob_free(&request
);
577 if (strncmp(buf
, "YR", 2) == 0) {
579 ntlmssp_end(&ntlmssp_state
);
580 } else if (strncmp(buf
, "KK", 2) == 0) {
583 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
584 x_fprintf(x_stdout
, "BH\n");
588 if (!ntlmssp_state
) {
589 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
590 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
595 DEBUG(10, ("got NTLMSSP packet:\n"));
596 dump_data(10, (const char *)request
.data
, request
.length
);
598 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
600 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
601 char *reply_base64
= base64_encode_data_blob(reply
);
602 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
603 SAFE_FREE(reply_base64
);
604 data_blob_free(&reply
);
605 DEBUG(10, ("NTLMSSP challenge\n"));
606 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
607 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
608 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
610 ntlmssp_end(&ntlmssp_state
);
611 } else if (!NT_STATUS_IS_OK(nt_status
)) {
612 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
613 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
615 x_fprintf(x_stdout
, "AF %s\n", (char *)ntlmssp_state
->auth_context
);
616 DEBUG(10, ("NTLMSSP OK!\n"));
619 data_blob_free(&request
);
622 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
623 char *buf
, int length
)
625 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
626 DATA_BLOB request
, reply
;
630 if (strlen(buf
) < 2) {
631 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
632 x_fprintf(x_stdout
, "BH\n");
636 if (strlen(buf
) > 3) {
637 request
= base64_decode_data_blob(buf
+ 3);
639 request
= data_blob(NULL
, 0);
642 if (strncmp(buf
, "PW ", 3) == 0) {
643 /* We asked for a password and obviously got it :-) */
645 opt_password
= strndup((const char *)request
.data
, request
.length
);
647 if (opt_password
== NULL
) {
648 DEBUG(1, ("Out of memory\n"));
649 x_fprintf(x_stdout
, "BH\n");
650 data_blob_free(&request
);
654 x_fprintf(x_stdout
, "OK\n");
655 data_blob_free(&request
);
659 if (opt_password
== NULL
) {
661 /* Request a password from the calling process. After
662 sending it, the calling process should retry asking for the negotiate. */
664 DEBUG(10, ("Requesting password\n"));
665 x_fprintf(x_stdout
, "PW\n");
669 if (strncmp(buf
, "YR", 2) == 0) {
671 ntlmssp_end(&ntlmssp_state
);
672 } else if (strncmp(buf
, "TT", 2) == 0) {
675 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
676 x_fprintf(x_stdout
, "BH\n");
680 if (!ntlmssp_state
) {
681 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_client(&ntlmssp_state
))) {
682 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
688 DEBUG(10, ("got NTLMSSP packet:\n"));
689 dump_data(10, (const char *)request
.data
, request
.length
);
691 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
693 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
694 char *reply_base64
= base64_encode_data_blob(reply
);
696 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
698 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
700 SAFE_FREE(reply_base64
);
701 data_blob_free(&reply
);
702 DEBUG(10, ("NTLMSSP challenge\n"));
703 } else if (NT_STATUS_IS_OK(nt_status
)) {
704 x_fprintf(x_stdout
, "AF\n");
705 DEBUG(10, ("NTLMSSP OK!\n"));
707 ntlmssp_end(&ntlmssp_state
);
709 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
710 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
712 ntlmssp_end(&ntlmssp_state
);
715 data_blob_free(&request
);
718 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode
,
719 char *buf
, int length
)
724 pass
=memchr(buf
,' ',length
);
726 DEBUG(2, ("Password not found. Denying access\n"));
727 x_fprintf(x_stdout
, "ERR\n");
733 if (stdio_helper_mode
== SQUID_2_5_BASIC
) {
734 rfc1738_unescape(user
);
735 rfc1738_unescape(pass
);
738 if (check_plaintext_auth(user
, pass
, False
)) {
739 x_fprintf(x_stdout
, "OK\n");
741 x_fprintf(x_stdout
, "ERR\n");
745 static void offer_gss_spnego_mechs(void) {
753 pstring myname_lower
;
757 pstrcpy(myname_lower
, global_myname());
758 strlower_m(myname_lower
);
760 pstr_sprintf(principal
, "%s$@%s", myname_lower
, lp_realm());
762 /* Server negTokenInit (mech offerings) */
763 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
764 spnego
.negTokenInit
.mechTypes
= smb_xmalloc(sizeof(char *) * 3);
766 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
767 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
768 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
770 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
771 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
775 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
778 len
= write_spnego_data(&token
, &spnego
);
779 free_spnego_data(&spnego
);
782 DEBUG(1, ("Could not write SPNEGO data blob\n"));
783 x_fprintf(x_stdout
, "BH\n");
787 reply_base64
= base64_encode_data_blob(token
);
788 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
790 SAFE_FREE(reply_base64
);
791 data_blob_free(&token
);
792 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
796 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode
,
797 char *buf
, int length
)
799 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
800 SPNEGO_DATA request
, response
;
808 const char *reply_code
;
810 pstring reply_argument
;
812 if (strlen(buf
) < 2) {
814 if (ntlmssp_state
!= NULL
) {
815 DEBUG(1, ("Request for initial SPNEGO request where "
816 "we already have a state\n"));
817 x_fprintf(x_stdout
, "BH\n");
821 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
822 x_fprintf(x_stdout
, "BH\n");
826 if ( (strlen(buf
) == 2) && (strcmp(buf
, "YR") == 0) ) {
828 /* Initial request, get the negTokenInit offering
831 offer_gss_spnego_mechs();
835 /* All subsequent requests are "KK" (Knock, Knock ;)) and have
836 a blob. This might be negTokenInit or negTokenTarg */
838 if ( (strlen(buf
) <= 3) || (strncmp(buf
, "KK", 2) != 0) ) {
839 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
840 x_fprintf(x_stdout
, "BH\n");
844 token
= base64_decode_data_blob(buf
+ 3);
845 len
= read_spnego_data(token
, &request
);
846 data_blob_free(&token
);
849 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
850 x_fprintf(x_stdout
, "BH\n");
854 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
856 /* Second request from Client. This is where the
857 client offers its mechanism to use. */
859 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
860 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
861 DEBUG(1, ("Client did not offer any mechanism"));
862 x_fprintf(x_stdout
, "BH\n");
866 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
868 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
869 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
870 x_fprintf(x_stdout
, "BH\n");
874 if ( ntlmssp_state
!= NULL
) {
875 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
876 "already got one\n"));
877 x_fprintf(x_stdout
, "BH\n");
878 ntlmssp_end(&ntlmssp_state
);
882 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
883 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
887 DEBUG(10, ("got NTLMSSP packet:\n"));
888 dump_data(10, (const char *)request
.negTokenInit
.mechToken
.data
,
889 request
.negTokenInit
.mechToken
.length
);
891 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
892 response
.negTokenTarg
.supportedMech
= strdup(OID_NTLMSSP
);
893 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
895 status
= ntlmssp_update(ntlmssp_state
,
896 request
.negTokenInit
.mechToken
,
897 &response
.negTokenTarg
.responseToken
);
901 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
906 DATA_BLOB session_key
;
908 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
909 DEBUG(1, ("Client did not provide Kerberos data\n"));
910 x_fprintf(x_stdout
, "BH\n");
914 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
915 response
.negTokenTarg
.supportedMech
= strdup(OID_KERBEROS5_OLD
);
916 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
917 response
.negTokenTarg
.responseToken
= data_blob(NULL
, 0);
919 status
= ads_verify_ticket(lp_realm(),
920 &request
.negTokenInit
.mechToken
,
921 &principal
, &auth_data
, &ap_rep
,
924 /* Now in "principal" we have the name we are
927 if (NT_STATUS_IS_OK(status
)) {
929 domain
= strchr(principal
, '@');
931 if (domain
== NULL
) {
932 DEBUG(1, ("Did not get a valid principal "
933 "from ads_verify_ticket\n"));
934 x_fprintf(x_stdout
, "BH\n");
939 domain
= strdup(domain
);
940 user
= strdup(principal
);
942 data_blob_free(&ap_rep
);
943 data_blob_free(&auth_data
);
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
= strdup(OID_NTLMSSP
);
974 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
976 if (NT_STATUS_IS_OK(status
)) {
977 user
= strdup(ntlmssp_state
->user
);
978 domain
= 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 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
1070 nt_errstr(status
)));
1071 ntlmssp_end(&client_ntlmssp_state
);
1075 write_spnego_data(&to_server
, &spnego
);
1076 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1078 to_server_base64
= base64_encode_data_blob(to_server
);
1079 data_blob_free(&to_server
);
1080 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1081 SAFE_FREE(to_server_base64
);
1085 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1088 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1090 DATA_BLOB to_server
;
1091 char *to_server_base64
;
1093 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1095 if (client_ntlmssp_state
== NULL
) {
1096 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1097 x_fprintf(x_stdout
, "BH\n");
1098 ntlmssp_end(&client_ntlmssp_state
);
1102 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1103 x_fprintf(x_stdout
, "NA\n");
1104 ntlmssp_end(&client_ntlmssp_state
);
1108 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1109 x_fprintf(x_stdout
, "AF\n");
1110 ntlmssp_end(&client_ntlmssp_state
);
1114 status
= ntlmssp_update(client_ntlmssp_state
,
1115 spnego
.negTokenTarg
.responseToken
,
1118 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1119 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1120 "ntlmssp_client_update, got: %s\n",
1121 nt_errstr(status
)));
1122 x_fprintf(x_stdout
, "BH\n");
1123 data_blob_free(&request
);
1124 ntlmssp_end(&client_ntlmssp_state
);
1128 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1129 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1130 spnego
.negTokenTarg
.supportedMech
= OID_NTLMSSP
;
1131 spnego
.negTokenTarg
.responseToken
= request
;
1132 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1134 write_spnego_data(&to_server
, &spnego
);
1135 data_blob_free(&request
);
1137 to_server_base64
= base64_encode_data_blob(to_server
);
1138 data_blob_free(&to_server
);
1139 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1140 SAFE_FREE(to_server_base64
);
1146 static BOOL
manage_client_krb5_init(SPNEGO_DATA spnego
)
1149 DATA_BLOB tkt
, to_server
;
1150 DATA_BLOB session_key_krb5
;
1155 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1158 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1159 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1160 DEBUG(1, ("Did not get a principal for krb5\n"));
1164 principal
= malloc(spnego
.negTokenInit
.mechListMIC
.length
+1);
1166 if (principal
== NULL
) {
1167 DEBUG(1, ("Could not malloc principal\n"));
1171 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1172 spnego
.negTokenInit
.mechListMIC
.length
);
1173 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1175 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1181 /* Let's try to first get the TGT, for that we need a
1184 if (opt_password
== NULL
) {
1185 DEBUG(10, ("Requesting password\n"));
1186 x_fprintf(x_stdout
, "PW\n");
1190 pstr_sprintf(user
, "%s@%s", opt_username
, opt_domain
);
1192 if ((retval
= kerberos_kinit_password(user
, opt_password
,
1194 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1195 x_fprintf(x_stdout
, "NA\n");
1199 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
);
1202 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1206 data_blob_free(&session_key_krb5
);
1210 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1211 reply
.negTokenInit
.mechTypes
= my_mechs
;
1212 reply
.negTokenInit
.reqFlags
= 0;
1213 reply
.negTokenInit
.mechToken
= tkt
;
1214 reply
.negTokenInit
.mechListMIC
= data_blob(NULL
, 0);
1216 len
= write_spnego_data(&to_server
, &reply
);
1217 data_blob_free(&tkt
);
1220 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1224 reply_base64
= base64_encode_data_blob(to_server
);
1225 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1227 SAFE_FREE(reply_base64
);
1228 data_blob_free(&to_server
);
1229 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1233 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1235 switch (spnego
.negTokenTarg
.negResult
) {
1236 case SPNEGO_ACCEPT_INCOMPLETE
:
1237 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1238 x_fprintf(x_stdout
, "BH\n");
1240 case SPNEGO_ACCEPT_COMPLETED
:
1241 DEBUG(10, ("Accept completed\n"));
1242 x_fprintf(x_stdout
, "AF\n");
1245 DEBUG(10, ("Rejected\n"));
1246 x_fprintf(x_stdout
, "NA\n");
1249 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1250 x_fprintf(x_stdout
, "AF\n");
1256 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode
,
1257 char *buf
, int length
)
1263 if (strlen(buf
) <= 3) {
1264 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1265 x_fprintf(x_stdout
, "BH\n");
1269 request
= base64_decode_data_blob(buf
+3);
1271 if (strncmp(buf
, "PW ", 3) == 0) {
1273 /* We asked for a password and obviously got it :-) */
1275 opt_password
= strndup((const char *)request
.data
, request
.length
);
1277 if (opt_password
== NULL
) {
1278 DEBUG(1, ("Out of memory\n"));
1279 x_fprintf(x_stdout
, "BH\n");
1280 data_blob_free(&request
);
1284 x_fprintf(x_stdout
, "OK\n");
1285 data_blob_free(&request
);
1289 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1290 (strncmp(buf
, "AF ", 3) != 0) &&
1291 (strncmp(buf
, "NA ", 3) != 0) ) {
1292 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1293 x_fprintf(x_stdout
, "BH\n");
1294 data_blob_free(&request
);
1298 /* So we got a server challenge to generate a SPNEGO
1299 client-to-server request... */
1301 len
= read_spnego_data(request
, &spnego
);
1302 data_blob_free(&request
);
1305 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1306 x_fprintf(x_stdout
, "BH\n");
1310 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1312 /* The server offers a list of mechanisms */
1314 const char **mechType
= spnego
.negTokenInit
.mechTypes
;
1316 while (*mechType
!= NULL
) {
1319 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1320 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1321 if (manage_client_krb5_init(spnego
))
1326 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1327 if (manage_client_ntlmssp_init(spnego
))
1334 DEBUG(1, ("Server offered no compatible mechanism\n"));
1335 x_fprintf(x_stdout
, "BH\n");
1339 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1341 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1342 /* On accept/reject Windows does not send the
1343 mechanism anymore. Handle that here and
1344 shut down the mechanisms. */
1346 switch (spnego
.negTokenTarg
.negResult
) {
1347 case SPNEGO_ACCEPT_COMPLETED
:
1348 x_fprintf(x_stdout
, "AF\n");
1351 x_fprintf(x_stdout
, "NA\n");
1354 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1355 "unknown negResult: %d\n",
1356 spnego
.negTokenTarg
.negResult
));
1357 x_fprintf(x_stdout
, "BH\n");
1360 ntlmssp_end(&client_ntlmssp_state
);
1364 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1365 OID_NTLMSSP
) == 0) {
1366 manage_client_ntlmssp_targ(spnego
);
1371 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1372 OID_KERBEROS5_OLD
) == 0) {
1373 manage_client_krb5_targ(spnego
);
1380 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1381 x_fprintf(x_stdout
, "BH\n");
1385 free_spnego_data(&spnego
);
1389 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode
,
1390 char *buf
, int length
)
1392 char *request
, *parameter
;
1393 static DATA_BLOB challenge
;
1394 static DATA_BLOB lm_response
;
1395 static DATA_BLOB nt_response
;
1396 static char *full_username
;
1397 static char *username
;
1398 static char *domain
;
1399 static char *plaintext_password
;
1400 static BOOL ntlm_server_1_user_session_key
;
1401 static BOOL ntlm_server_1_lm_session_key
;
1403 if (strequal(buf
, ".")) {
1404 if (!full_username
&& !username
) {
1405 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1406 } else if (plaintext_password
) {
1407 /* handle this request as plaintext */
1408 if (!full_username
) {
1409 if (asprintf(&full_username
, "%s%c%s", domain
, winbind_separator(), username
) == -1) {
1410 x_fprintf(x_stdout
, "Error: Out of memory in asprintf!\n.\n");
1414 if (check_plaintext_auth(full_username
, plaintext_password
, False
)) {
1415 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1417 x_fprintf(x_stdout
, "Authenticated: No\n");
1419 } else if (!lm_response
.data
&& !nt_response
.data
) {
1420 x_fprintf(x_stdout
, "Error: No password supplied!\n");
1421 } else if (!challenge
.data
) {
1422 x_fprintf(x_stdout
, "Error: No lanman-challenge supplied!\n");
1424 char *error_string
= NULL
;
1426 uchar user_session_key
[16];
1429 if (full_username
&& !username
) {
1431 fstring fstr_domain
;
1433 if (!parse_ntlm_auth_domain_user(full_username
, fstr_user
, fstr_domain
)) {
1434 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1435 x_fprintf(x_stdout
, "Error: Could not parse into domain and username\n");
1437 SAFE_FREE(username
);
1439 username
= smb_xstrdup(fstr_user
);
1440 domain
= smb_xstrdup(fstr_domain
);
1444 domain
= smb_xstrdup(get_winbind_domain());
1447 if (ntlm_server_1_lm_session_key
)
1448 flags
|= WBFLAG_PAM_LMKEY
;
1450 if (ntlm_server_1_user_session_key
)
1451 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1453 if (!NT_STATUS_IS_OK(
1454 contact_winbind_auth_crap(username
,
1466 x_fprintf(x_stdout
, "Authenticated: No\n");
1467 x_fprintf(x_stdout
, "Authentication-Error: %s\n.\n", error_string
);
1468 SAFE_FREE(error_string
);
1470 static char zeros
[16];
1472 char *hex_user_session_key
;
1474 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1476 if (ntlm_server_1_lm_session_key
1477 && (memcmp(zeros
, lm_key
,
1478 sizeof(lm_key
)) != 0)) {
1479 hex_encode((const unsigned char *)lm_key
,
1482 x_fprintf(x_stdout
, "LANMAN-Session-Key: %s\n", hex_lm_key
);
1483 SAFE_FREE(hex_lm_key
);
1486 if (ntlm_server_1_user_session_key
1487 && (memcmp(zeros
, user_session_key
,
1488 sizeof(user_session_key
)) != 0)) {
1489 hex_encode((const unsigned char *)user_session_key
,
1490 sizeof(user_session_key
),
1491 &hex_user_session_key
);
1492 x_fprintf(x_stdout
, "User-Session-Key: %s\n", hex_user_session_key
);
1493 SAFE_FREE(hex_user_session_key
);
1497 /* clear out the state */
1498 challenge
= data_blob(NULL
, 0);
1499 nt_response
= data_blob(NULL
, 0);
1500 lm_response
= data_blob(NULL
, 0);
1501 SAFE_FREE(full_username
);
1502 SAFE_FREE(username
);
1504 SAFE_FREE(plaintext_password
);
1505 ntlm_server_1_user_session_key
= False
;
1506 ntlm_server_1_lm_session_key
= False
;
1507 x_fprintf(x_stdout
, ".\n");
1514 /* Indicates a base64 encoded structure */
1515 parameter
= strstr_m(request
, ":: ");
1517 parameter
= strstr_m(request
, ": ");
1520 DEBUG(0, ("Parameter not found!\n"));
1521 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1538 base64_decode_inplace(parameter
);
1541 if (strequal(request
, "LANMAN-Challenge")) {
1542 challenge
= strhex_to_data_blob(parameter
);
1543 if (challenge
.length
!= 8) {
1544 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1546 (int)challenge
.length
);
1547 challenge
= data_blob(NULL
, 0);
1549 } else if (strequal(request
, "NT-Response")) {
1550 nt_response
= strhex_to_data_blob(parameter
);
1551 if (nt_response
.length
< 24) {
1552 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1554 (int)opt_nt_response
.length
);
1555 nt_response
= data_blob(NULL
, 0);
1557 } else if (strequal(request
, "LANMAN-Response")) {
1558 lm_response
= strhex_to_data_blob(parameter
);
1559 if (lm_response
.length
!= 24) {
1560 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1562 (int)lm_response
.length
);
1563 lm_response
= data_blob(NULL
, 0);
1565 } else if (strequal(request
, "Password")) {
1566 plaintext_password
= smb_xstrdup(parameter
);
1567 } else if (strequal(request
, "NT-Domain")) {
1568 domain
= smb_xstrdup(parameter
);
1569 } else if (strequal(request
, "Username")) {
1570 username
= smb_xstrdup(parameter
);
1571 } else if (strequal(request
, "Full-Username")) {
1572 full_username
= smb_xstrdup(parameter
);
1573 } else if (strequal(request
, "Request-User-Session-Key")) {
1574 ntlm_server_1_user_session_key
= strequal(parameter
, "Yes");
1575 } else if (strequal(request
, "Request-LanMan-Session-Key")) {
1576 ntlm_server_1_lm_session_key
= strequal(parameter
, "Yes");
1578 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
1582 static void manage_squid_request(enum stdio_helper_mode helper_mode
, stdio_helper_function fn
)
1584 char buf
[SQUID_BUFFER_SIZE
+1];
1589 /* this is not a typo - x_fgets doesn't work too well under squid */
1590 if (fgets(buf
, sizeof(buf
)-1, stdin
) == NULL
) {
1591 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin
),
1592 strerror(ferror(stdin
))));
1593 exit(1); /* BIIG buffer */
1596 c
=memchr(buf
,'\n',sizeof(buf
)-1);
1605 DEBUG(2, ("Oversized message\n"));
1606 x_fprintf(x_stderr
, "ERR\n");
1611 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
1613 if (buf
[0] == '\0') {
1614 DEBUG(2, ("Invalid Request\n"));
1615 x_fprintf(x_stderr
, "ERR\n");
1619 fn(helper_mode
, buf
, length
);
1623 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
1624 /* initialize FDescs */
1625 x_setbuf(x_stdout
, NULL
);
1626 x_setbuf(x_stderr
, NULL
);
1628 struct passwd
*pass
= getpwuid(getuid());
1629 if (initgroups (pass
->pw_name
, pass
->pw_gid
)) {
1630 DEBUG(0,("Unable to initgroups. Error was %s\n", strerror(errno
) ));
1634 manage_squid_request(stdio_mode
, fn
);
1639 /* Authenticate a user with a challenge/response */
1641 static BOOL
check_auth_crap(void)
1646 char user_session_key
[16];
1648 char *hex_user_session_key
;
1650 static uint8 zeros
[16];
1652 x_setbuf(x_stdout
, NULL
);
1655 flags
|= WBFLAG_PAM_LMKEY
;
1657 if (request_user_session_key
)
1658 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1660 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
1662 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
1668 (unsigned char *)lm_key
,
1669 (unsigned char *)user_session_key
,
1670 &error_string
, NULL
);
1672 if (!NT_STATUS_IS_OK(nt_status
)) {
1673 x_fprintf(x_stdout
, "%s (0x%x)\n",
1675 NT_STATUS_V(nt_status
));
1676 SAFE_FREE(error_string
);
1681 && (memcmp(zeros
, lm_key
,
1682 sizeof(lm_key
)) != 0)) {
1683 hex_encode((const unsigned char *)lm_key
,
1686 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
1687 SAFE_FREE(hex_lm_key
);
1689 if (request_user_session_key
1690 && (memcmp(zeros
, user_session_key
,
1691 sizeof(user_session_key
)) != 0)) {
1692 hex_encode((const unsigned char *)user_session_key
,
1693 sizeof(user_session_key
),
1694 &hex_user_session_key
);
1695 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_user_session_key
);
1696 SAFE_FREE(hex_user_session_key
);
1705 OPT_USERNAME
= 1000,
1714 OPT_USER_SESSION_KEY
,
1716 OPT_REQUIRE_MEMBERSHIP
1719 int main(int argc
, const char **argv
)
1722 static const char *helper_protocol
;
1723 static int diagnostics
;
1725 static const char *hex_challenge
;
1726 static const char *hex_lm_response
;
1727 static const char *hex_nt_response
;
1731 /* NOTE: DO NOT change this interface without considering the implications!
1732 This is an external interface, which other programs will use to interact
1736 /* We do not use single-letter command abbreviations, because they harm future
1737 interface stability. */
1739 struct poptOption long_options
[] = {
1741 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
1742 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
1743 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
1744 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
1745 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
1746 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
1747 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
1748 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
1749 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retreive LM session key"},
1750 { "request-nt-key", 0, POPT_ARG_NONE
, &request_user_session_key
, OPT_USER_SESSION_KEY
, "Retreive User (NT) session key"},
1751 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
1752 { "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" },
1757 /* Samba client initialisation */
1761 /* Samba client initialisation */
1763 if (!lp_load(dyn_CONFIGFILE
, True
, False
, False
)) {
1764 d_fprintf(stderr
, "wbinfo: error opening config file %s. Error was %s\n",
1765 dyn_CONFIGFILE
, strerror(errno
));
1771 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
1773 /* Parse command line options */
1776 poptPrintHelp(pc
, stderr
, 0);
1780 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
1781 POPT_CONTEXT_KEEP_FIRST
);
1783 while((opt
= poptGetNextOpt(pc
)) != -1) {
1786 opt_challenge
= strhex_to_data_blob(hex_challenge
);
1787 if (opt_challenge
.length
!= 8) {
1788 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1790 (int)opt_challenge
.length
);
1795 opt_lm_response
= strhex_to_data_blob(hex_lm_response
);
1796 if (opt_lm_response
.length
!= 24) {
1797 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1799 (int)opt_lm_response
.length
);
1805 opt_nt_response
= strhex_to_data_blob(hex_nt_response
);
1806 if (opt_nt_response
.length
< 24) {
1807 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
1809 (int)opt_nt_response
.length
);
1814 case OPT_REQUIRE_MEMBERSHIP
:
1815 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
1816 require_membership_sid
= require_membership_of
;
1822 if (helper_protocol
) {
1824 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1825 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
1826 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
1830 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
1832 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
1833 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
1839 if (!opt_username
) {
1840 x_fprintf(x_stderr
, "username must be specified!\n\n");
1841 poptPrintHelp(pc
, stderr
, 0);
1845 if (opt_domain
== NULL
) {
1846 opt_domain
= get_winbind_domain();
1849 if (opt_workstation
== NULL
) {
1850 opt_workstation
= "";
1853 if (opt_challenge
.length
) {
1854 if (!check_auth_crap()) {
1860 if (!opt_password
) {
1861 opt_password
= getpass("password: ");
1865 if (!diagnose_ntlm_auth()) {
1871 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
1872 if (!check_plaintext_auth(user
, opt_password
, True
)) {
1879 poptFreeContext(pc
);