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
9 Copyright (C) Robert O'Callahan 2006 (added cached credential code).
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include "utils/ntlm_auth.h"
30 #define DBGC_CLASS DBGC_WINBIND
32 #define SQUID_BUFFER_SIZE 2010
34 enum stdio_helper_mode
{
42 NTLM_CHANGE_PASSWORD_1
,
46 typedef void (*stdio_helper_function
)(enum stdio_helper_mode stdio_helper_mode
,
47 char *buf
, int length
);
49 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode
,
50 char *buf
, int length
);
52 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
53 char *buf
, int length
);
55 static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode
,
56 char *buf
, int length
);
58 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode
,
59 char *buf
, int length
);
61 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode
,
62 char *buf
, int length
);
64 static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode
,
65 char *buf
, int length
);
67 static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode
, char *buf
, int length
);
70 enum stdio_helper_mode mode
;
72 stdio_helper_function fn
;
73 } stdio_helper_protocols
[] = {
74 { SQUID_2_4_BASIC
, "squid-2.4-basic", manage_squid_basic_request
},
75 { SQUID_2_5_BASIC
, "squid-2.5-basic", manage_squid_basic_request
},
76 { SQUID_2_5_NTLMSSP
, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request
},
77 { NTLMSSP_CLIENT_1
, "ntlmssp-client-1", manage_client_ntlmssp_request
},
78 { GSS_SPNEGO
, "gss-spnego", manage_gss_spnego_request
},
79 { GSS_SPNEGO_CLIENT
, "gss-spnego-client", manage_gss_spnego_client_request
},
80 { NTLM_SERVER_1
, "ntlm-server-1", manage_ntlm_server_1_request
},
81 { NTLM_CHANGE_PASSWORD_1
, "ntlm-change-password-1", manage_ntlm_change_password_1_request
},
82 { NUM_HELPER_MODES
, NULL
, NULL
}
85 extern int winbindd_fd
;
87 const char *opt_username
;
88 const char *opt_domain
;
89 const char *opt_workstation
;
90 const char *opt_password
;
91 static DATA_BLOB opt_challenge
;
92 static DATA_BLOB opt_lm_response
;
93 static DATA_BLOB opt_nt_response
;
94 static int request_lm_key
;
95 static int request_user_session_key
;
96 static int use_cached_creds
;
98 static const char *require_membership_of
;
99 static const char *require_membership_of_sid
;
101 static char winbind_separator(void)
103 struct winbindd_response response
;
110 ZERO_STRUCT(response
);
112 /* Send off request */
114 if (winbindd_request_response(WINBINDD_INFO
, NULL
, &response
) !=
115 NSS_STATUS_SUCCESS
) {
116 d_printf("could not obtain winbind separator!\n");
117 return *lp_winbind_separator();
120 sep
= response
.data
.info
.winbind_separator
;
124 d_printf("winbind separator was NULL!\n");
125 return *lp_winbind_separator();
131 const char *get_winbind_domain(void)
133 struct winbindd_response response
;
135 static fstring winbind_domain
;
136 if (*winbind_domain
) {
137 return winbind_domain
;
140 ZERO_STRUCT(response
);
142 /* Send off request */
144 if (winbindd_request_response(WINBINDD_DOMAIN_NAME
, NULL
, &response
) !=
145 NSS_STATUS_SUCCESS
) {
146 DEBUG(0, ("could not obtain winbind domain name!\n"));
147 return lp_workgroup();
150 fstrcpy(winbind_domain
, response
.data
.domain_name
);
152 return winbind_domain
;
156 const char *get_winbind_netbios_name(void)
158 struct winbindd_response response
;
160 static fstring winbind_netbios_name
;
162 if (*winbind_netbios_name
) {
163 return winbind_netbios_name
;
166 ZERO_STRUCT(response
);
168 /* Send off request */
170 if (winbindd_request_response(WINBINDD_NETBIOS_NAME
, NULL
, &response
) !=
171 NSS_STATUS_SUCCESS
) {
172 DEBUG(0, ("could not obtain winbind netbios name!\n"));
173 return global_myname();
176 fstrcpy(winbind_netbios_name
, response
.data
.netbios_name
);
178 return winbind_netbios_name
;
182 DATA_BLOB
get_challenge(void)
184 static DATA_BLOB chal
;
185 if (opt_challenge
.length
)
186 return opt_challenge
;
188 chal
= data_blob(NULL
, 8);
190 generate_random_buffer(chal
.data
, chal
.length
);
194 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
195 form DOMAIN/user into a domain and a user */
197 static BOOL
parse_ntlm_auth_domain_user(const char *domuser
, fstring domain
,
201 char *p
= strchr(domuser
,winbind_separator());
208 fstrcpy(domain
, domuser
);
209 domain
[PTR_DIFF(p
, domuser
)] = 0;
215 static BOOL
get_require_membership_sid(void) {
216 struct winbindd_request request
;
217 struct winbindd_response response
;
219 if (!require_membership_of
) {
223 if (require_membership_of_sid
) {
227 /* Otherwise, ask winbindd for the name->sid request */
229 ZERO_STRUCT(request
);
230 ZERO_STRUCT(response
);
232 if (!parse_ntlm_auth_domain_user(require_membership_of
,
233 request
.data
.name
.dom_name
,
234 request
.data
.name
.name
)) {
235 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
236 require_membership_of
));
240 if (winbindd_request_response(WINBINDD_LOOKUPNAME
, &request
, &response
) !=
241 NSS_STATUS_SUCCESS
) {
242 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
243 require_membership_of
));
247 require_membership_of_sid
= SMB_STRDUP(response
.data
.sid
.sid
);
249 if (require_membership_of_sid
)
254 /* Authenticate a user with a plaintext password */
256 static BOOL
check_plaintext_auth(const char *user
, const char *pass
,
257 BOOL stdout_diagnostics
)
259 struct winbindd_request request
;
260 struct winbindd_response response
;
263 if (!get_require_membership_sid()) {
267 /* Send off request */
269 ZERO_STRUCT(request
);
270 ZERO_STRUCT(response
);
272 fstrcpy(request
.data
.auth
.user
, user
);
273 fstrcpy(request
.data
.auth
.pass
, pass
);
274 if (require_membership_of_sid
)
275 fstrcpy(request
.data
.auth
.require_membership_of_sid
, require_membership_of_sid
);
277 result
= winbindd_request_response(WINBINDD_PAM_AUTH
, &request
, &response
);
279 /* Display response */
281 if (stdout_diagnostics
) {
282 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
283 d_printf("Reading winbind reply failed! (0x01)\n");
286 d_printf("%s: %s (0x%x)\n",
287 response
.data
.auth
.nt_status_string
,
288 response
.data
.auth
.error_string
,
289 response
.data
.auth
.nt_status
);
291 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
292 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
295 DEBUG(3, ("%s: %s (0x%x)\n",
296 response
.data
.auth
.nt_status_string
,
297 response
.data
.auth
.error_string
,
298 response
.data
.auth
.nt_status
));
301 return (result
== NSS_STATUS_SUCCESS
);
304 /* authenticate a user with an encrypted username/password */
306 NTSTATUS
contact_winbind_auth_crap(const char *username
,
308 const char *workstation
,
309 const DATA_BLOB
*challenge
,
310 const DATA_BLOB
*lm_response
,
311 const DATA_BLOB
*nt_response
,
314 uint8 user_session_key
[16],
320 struct winbindd_request request
;
321 struct winbindd_response response
;
323 if (!get_require_membership_sid()) {
324 return NT_STATUS_INVALID_PARAMETER
;
327 ZERO_STRUCT(request
);
328 ZERO_STRUCT(response
);
330 request
.flags
= flags
;
332 request
.data
.auth_crap
.logon_parameters
= MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT
| MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT
;
334 if (require_membership_of_sid
)
335 fstrcpy(request
.data
.auth_crap
.require_membership_of_sid
, require_membership_of_sid
);
337 fstrcpy(request
.data
.auth_crap
.user
, username
);
338 fstrcpy(request
.data
.auth_crap
.domain
, domain
);
340 fstrcpy(request
.data
.auth_crap
.workstation
,
343 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
345 if (lm_response
&& lm_response
->length
) {
346 memcpy(request
.data
.auth_crap
.lm_resp
,
348 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
349 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
352 if (nt_response
&& nt_response
->length
) {
353 memcpy(request
.data
.auth_crap
.nt_resp
,
355 MIN(nt_response
->length
, sizeof(request
.data
.auth_crap
.nt_resp
)));
356 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
359 result
= winbindd_request_response(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
361 /* Display response */
363 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
364 nt_status
= NT_STATUS_UNSUCCESSFUL
;
366 *error_string
= smb_xstrdup("Reading winbind reply failed!");
367 free_response(&response
);
371 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
372 if (!NT_STATUS_IS_OK(nt_status
)) {
374 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
375 free_response(&response
);
379 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
) {
380 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
381 sizeof(response
.data
.auth
.first_8_lm_hash
));
383 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && user_session_key
) {
384 memcpy(user_session_key
, response
.data
.auth
.user_session_key
,
385 sizeof(response
.data
.auth
.user_session_key
));
388 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
389 *unix_name
= SMB_STRDUP((char *)response
.extra_data
.data
);
391 free_response(&response
);
392 return NT_STATUS_NO_MEMORY
;
396 free_response(&response
);
400 /* contact server to change user password using auth crap */
401 static NTSTATUS
contact_winbind_change_pswd_auth_crap(const char *username
,
403 const DATA_BLOB new_nt_pswd
,
404 const DATA_BLOB old_nt_hash_enc
,
405 const DATA_BLOB new_lm_pswd
,
406 const DATA_BLOB old_lm_hash_enc
,
411 struct winbindd_request request
;
412 struct winbindd_response response
;
414 if (!get_require_membership_sid())
417 *error_string
= smb_xstrdup("Can't get membership sid.");
418 return NT_STATUS_INVALID_PARAMETER
;
421 ZERO_STRUCT(request
);
422 ZERO_STRUCT(response
);
425 fstrcpy(request
.data
.chng_pswd_auth_crap
.user
, username
);
427 fstrcpy(request
.data
.chng_pswd_auth_crap
.domain
,domain
);
429 if(new_nt_pswd
.length
)
431 memcpy(request
.data
.chng_pswd_auth_crap
.new_nt_pswd
, new_nt_pswd
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.new_nt_pswd
));
432 request
.data
.chng_pswd_auth_crap
.new_nt_pswd_len
= new_nt_pswd
.length
;
435 if(old_nt_hash_enc
.length
)
437 memcpy(request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc
, old_nt_hash_enc
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc
));
438 request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc_len
= old_nt_hash_enc
.length
;
441 if(new_lm_pswd
.length
)
443 memcpy(request
.data
.chng_pswd_auth_crap
.new_lm_pswd
, new_lm_pswd
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.new_lm_pswd
));
444 request
.data
.chng_pswd_auth_crap
.new_lm_pswd_len
= new_lm_pswd
.length
;
447 if(old_lm_hash_enc
.length
)
449 memcpy(request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc
, old_lm_hash_enc
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc
));
450 request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc_len
= old_lm_hash_enc
.length
;
453 result
= winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP
, &request
, &response
);
455 /* Display response */
457 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0))
459 nt_status
= NT_STATUS_UNSUCCESSFUL
;
461 *error_string
= smb_xstrdup("Reading winbind reply failed!");
462 free_response(&response
);
466 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
467 if (!NT_STATUS_IS_OK(nt_status
))
470 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
471 free_response(&response
);
475 free_response(&response
);
480 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
482 static const char zeros
[16] = { 0, };
486 uint8 user_sess_key
[16];
489 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
490 ntlmssp_state
->workstation
,
491 &ntlmssp_state
->chal
,
492 &ntlmssp_state
->lm_resp
,
493 &ntlmssp_state
->nt_resp
,
494 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
495 lm_key
, user_sess_key
,
496 &error_string
, &unix_name
);
498 if (NT_STATUS_IS_OK(nt_status
)) {
499 if (memcmp(lm_key
, zeros
, 8) != 0) {
500 *lm_session_key
= data_blob(NULL
, 16);
501 memcpy(lm_session_key
->data
, lm_key
, 8);
502 memset(lm_session_key
->data
+8, '\0', 8);
505 if (memcmp(user_sess_key
, zeros
, 16) != 0) {
506 *user_session_key
= data_blob(user_sess_key
, 16);
508 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
509 SAFE_FREE(unix_name
);
511 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
512 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
513 ntlmssp_state
->domain
, ntlmssp_state
->user
,
514 ntlmssp_state
->workstation
,
515 error_string
? error_string
: "unknown error (NULL)"));
516 ntlmssp_state
->auth_context
= NULL
;
521 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
524 uint8 lm_pw
[16], nt_pw
[16];
526 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
528 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
529 &ntlmssp_state
->chal
,
530 &ntlmssp_state
->lm_resp
,
531 &ntlmssp_state
->nt_resp
,
535 ntlmssp_state
->domain
,
536 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
538 if (NT_STATUS_IS_OK(nt_status
)) {
539 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
540 "%s%c%s", ntlmssp_state
->domain
,
541 *lp_winbind_separator(),
542 ntlmssp_state
->user
);
544 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
545 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
546 nt_errstr(nt_status
)));
547 ntlmssp_state
->auth_context
= NULL
;
552 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
555 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
556 status
= NT_STATUS_UNSUCCESSFUL
;
557 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
558 return NT_STATUS_INVALID_PARAMETER
;
561 status
= ntlmssp_client_start(client_ntlmssp_state
);
563 if (!NT_STATUS_IS_OK(status
)) {
564 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
566 ntlmssp_end(client_ntlmssp_state
);
570 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
572 if (!NT_STATUS_IS_OK(status
)) {
573 DEBUG(1, ("Could not set username: %s\n",
575 ntlmssp_end(client_ntlmssp_state
);
579 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
581 if (!NT_STATUS_IS_OK(status
)) {
582 DEBUG(1, ("Could not set domain: %s\n",
584 ntlmssp_end(client_ntlmssp_state
);
589 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
591 if (!NT_STATUS_IS_OK(status
)) {
592 DEBUG(1, ("Could not set password: %s\n",
594 ntlmssp_end(client_ntlmssp_state
);
602 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
604 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
606 if (!NT_STATUS_IS_OK(status
)) {
607 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
612 /* Have we been given a local password, or should we ask winbind? */
614 (*ntlmssp_state
)->check_password
= local_pw_check
;
615 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
616 (*ntlmssp_state
)->get_global_myname
= global_myname
;
618 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
619 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
620 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
625 /*******************************************************************
626 Used by firefox to drive NTLM auth to IIS servers.
627 *******************************************************************/
629 static NTSTATUS
do_ccache_ntlm_auth(DATA_BLOB initial_msg
, DATA_BLOB challenge_msg
,
632 struct winbindd_request wb_request
;
633 struct winbindd_response wb_response
;
636 /* get winbindd to do the ntlmssp step on our behalf */
637 ZERO_STRUCT(wb_request
);
638 ZERO_STRUCT(wb_response
);
640 fstr_sprintf(wb_request
.data
.ccache_ntlm_auth
.user
,
641 "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
642 wb_request
.data
.ccache_ntlm_auth
.uid
= geteuid();
643 wb_request
.data
.ccache_ntlm_auth
.initial_blob_len
= initial_msg
.length
;
644 wb_request
.data
.ccache_ntlm_auth
.challenge_blob_len
= challenge_msg
.length
;
645 wb_request
.extra_len
= initial_msg
.length
+ challenge_msg
.length
;
647 if (wb_request
.extra_len
> 0) {
648 wb_request
.extra_data
.data
= SMB_MALLOC_ARRAY(char, wb_request
.extra_len
);
649 if (wb_request
.extra_data
.data
== NULL
) {
650 return NT_STATUS_NO_MEMORY
;
653 memcpy(wb_request
.extra_data
.data
, initial_msg
.data
, initial_msg
.length
);
654 memcpy(wb_request
.extra_data
.data
+ initial_msg
.length
,
655 challenge_msg
.data
, challenge_msg
.length
);
658 result
= winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH
, &wb_request
, &wb_response
);
659 SAFE_FREE(wb_request
.extra_data
.data
);
661 if (result
!= NSS_STATUS_SUCCESS
) {
662 free_response(&wb_response
);
663 return NT_STATUS_UNSUCCESSFUL
;
667 *reply
= data_blob(wb_response
.extra_data
.data
,
668 wb_response
.data
.ccache_ntlm_auth
.auth_blob_len
);
669 if (wb_response
.data
.ccache_ntlm_auth
.auth_blob_len
> 0 &&
670 reply
->data
== NULL
) {
671 free_response(&wb_response
);
672 return NT_STATUS_NO_MEMORY
;
676 free_response(&wb_response
);
677 return NT_STATUS_MORE_PROCESSING_REQUIRED
;
680 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
681 char *buf
, int length
)
683 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
684 static char* want_feature_list
= NULL
;
685 static uint32 neg_flags
= 0;
686 static BOOL have_session_key
= False
;
687 static DATA_BLOB session_key
;
688 DATA_BLOB request
, reply
;
691 if (strlen(buf
) < 2) {
692 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
693 x_fprintf(x_stdout
, "BH\n");
697 if (strlen(buf
) > 3) {
698 if(strncmp(buf
, "SF ", 3) == 0){
699 DEBUG(10, ("Setting flags to negotioate\n"));
700 SAFE_FREE(want_feature_list
);
701 want_feature_list
= SMB_STRNDUP(buf
+3, strlen(buf
)-3);
702 x_fprintf(x_stdout
, "OK\n");
705 request
= base64_decode_data_blob(buf
+ 3);
707 request
= data_blob(NULL
, 0);
710 if ((strncmp(buf
, "PW ", 3) == 0)) {
711 /* The calling application wants us to use a local password (rather than winbindd) */
713 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
715 if (opt_password
== NULL
) {
716 DEBUG(1, ("Out of memory\n"));
717 x_fprintf(x_stdout
, "BH\n");
718 data_blob_free(&request
);
722 x_fprintf(x_stdout
, "OK\n");
723 data_blob_free(&request
);
727 if (strncmp(buf
, "YR", 2) == 0) {
729 ntlmssp_end(&ntlmssp_state
);
730 } else if (strncmp(buf
, "KK", 2) == 0) {
732 } else if (strncmp(buf
, "GF", 2) == 0) {
733 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
734 x_fprintf(x_stdout
, "GF 0x%08lx\n", have_session_key
?neg_flags
:0l);
735 data_blob_free(&request
);
737 } else if (strncmp(buf
, "GK", 2) == 0) {
738 DEBUG(10, ("Requested NTLMSSP session key\n"));
739 if(have_session_key
) {
740 char *key64
= base64_encode_data_blob(session_key
);
741 x_fprintf(x_stdout
, "GK %s\n", key64
?key64
:"<NULL>");
744 x_fprintf(x_stdout
, "BH\n");
747 data_blob_free(&request
);
750 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
751 x_fprintf(x_stdout
, "BH\n");
755 if (!ntlmssp_state
) {
756 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
757 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
760 ntlmssp_want_feature_list(ntlmssp_state
, want_feature_list
);
763 DEBUG(10, ("got NTLMSSP packet:\n"));
764 dump_data(10, (const char *)request
.data
, request
.length
);
766 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
768 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
769 char *reply_base64
= base64_encode_data_blob(reply
);
770 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
771 SAFE_FREE(reply_base64
);
772 data_blob_free(&reply
);
773 DEBUG(10, ("NTLMSSP challenge\n"));
774 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
775 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
776 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
778 ntlmssp_end(&ntlmssp_state
);
779 } else if (!NT_STATUS_IS_OK(nt_status
)) {
780 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
781 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
783 x_fprintf(x_stdout
, "AF %s\n", (char *)ntlmssp_state
->auth_context
);
784 DEBUG(10, ("NTLMSSP OK!\n"));
787 data_blob_free(&session_key
);
788 session_key
= data_blob(ntlmssp_state
->session_key
.data
,
789 ntlmssp_state
->session_key
.length
);
790 neg_flags
= ntlmssp_state
->neg_flags
;
791 have_session_key
= True
;
794 data_blob_free(&request
);
797 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode
,
798 char *buf
, int length
)
800 /* The statics here are *HORRIBLE* and this entire concept
801 needs to be rewritten. Essentially it's using these statics
802 as the state in a state machine. BLEEEGH ! JRA. */
804 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
805 static DATA_BLOB initial_message
;
806 static char* want_feature_list
= NULL
;
807 static uint32 neg_flags
= 0;
808 static BOOL have_session_key
= False
;
809 static DATA_BLOB session_key
;
810 DATA_BLOB request
, reply
;
814 if (!opt_username
|| !*opt_username
) {
815 x_fprintf(x_stderr
, "username must be specified!\n\n");
819 if (strlen(buf
) < 2) {
820 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
821 x_fprintf(x_stdout
, "BH\n");
825 if (strlen(buf
) > 3) {
826 if(strncmp(buf
, "SF ", 3) == 0) {
827 DEBUG(10, ("Looking for flags to negotiate\n"));
828 SAFE_FREE(want_feature_list
);
829 want_feature_list
= SMB_STRNDUP(buf
+3, strlen(buf
)-3);
830 x_fprintf(x_stdout
, "OK\n");
833 request
= base64_decode_data_blob(buf
+ 3);
835 request
= data_blob(NULL
, 0);
838 if (strncmp(buf
, "PW ", 3) == 0) {
839 /* We asked for a password and obviously got it :-) */
841 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
843 if (opt_password
== NULL
) {
844 DEBUG(1, ("Out of memory\n"));
845 x_fprintf(x_stdout
, "BH\n");
846 data_blob_free(&request
);
850 x_fprintf(x_stdout
, "OK\n");
851 data_blob_free(&request
);
855 if (!ntlmssp_state
&& use_cached_creds
) {
856 /* check whether credentials are usable. */
857 DATA_BLOB empty_blob
= data_blob(NULL
, 0);
859 nt_status
= do_ccache_ntlm_auth(empty_blob
, empty_blob
, NULL
);
860 if (!NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
861 /* failed to use cached creds */
862 use_cached_creds
= False
;
866 if (opt_password
== NULL
&& !use_cached_creds
) {
868 /* Request a password from the calling process. After
869 sending it, the calling process should retry asking for the negotiate. */
871 DEBUG(10, ("Requesting password\n"));
872 x_fprintf(x_stdout
, "PW\n");
876 if (strncmp(buf
, "YR", 2) == 0) {
878 ntlmssp_end(&ntlmssp_state
);
879 } else if (strncmp(buf
, "TT", 2) == 0) {
881 } else if (strncmp(buf
, "GF", 2) == 0) {
882 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
883 x_fprintf(x_stdout
, "GF 0x%08lx\n", have_session_key
?neg_flags
:0l);
884 data_blob_free(&request
);
886 } else if (strncmp(buf
, "GK", 2) == 0 ) {
887 DEBUG(10, ("Requested session key\n"));
889 if(have_session_key
) {
890 char *key64
= base64_encode_data_blob(session_key
);
891 x_fprintf(x_stdout
, "GK %s\n", key64
?key64
:"<NULL>");
895 x_fprintf(x_stdout
, "BH\n");
898 data_blob_free(&request
);
901 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
902 x_fprintf(x_stdout
, "BH\n");
906 if (!ntlmssp_state
) {
907 if (!NT_STATUS_IS_OK(nt_status
= ntlm_auth_start_ntlmssp_client(&ntlmssp_state
))) {
908 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
911 ntlmssp_want_feature_list(ntlmssp_state
, want_feature_list
);
913 initial_message
= data_blob(NULL
, 0);
916 DEBUG(10, ("got NTLMSSP packet:\n"));
917 dump_data(10, (const char *)request
.data
, request
.length
);
919 if (use_cached_creds
&& !opt_password
&& !first
) {
920 nt_status
= do_ccache_ntlm_auth(initial_message
, request
, &reply
);
922 nt_status
= ntlmssp_update(ntlmssp_state
, request
, &reply
);
925 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
926 char *reply_base64
= base64_encode_data_blob(reply
);
928 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
930 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
932 SAFE_FREE(reply_base64
);
934 initial_message
= reply
;
936 data_blob_free(&reply
);
938 DEBUG(10, ("NTLMSSP challenge\n"));
939 } else if (NT_STATUS_IS_OK(nt_status
)) {
940 char *reply_base64
= base64_encode_data_blob(reply
);
941 x_fprintf(x_stdout
, "AF %s\n", reply_base64
);
942 SAFE_FREE(reply_base64
);
945 data_blob_free(&session_key
);
947 session_key
= data_blob(ntlmssp_state
->session_key
.data
,
948 ntlmssp_state
->session_key
.length
);
949 neg_flags
= ntlmssp_state
->neg_flags
;
950 have_session_key
= True
;
952 DEBUG(10, ("NTLMSSP OK!\n"));
954 ntlmssp_end(&ntlmssp_state
);
956 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
957 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
959 ntlmssp_end(&ntlmssp_state
);
962 data_blob_free(&request
);
965 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode
,
966 char *buf
, int length
)
971 pass
=(char *)memchr(buf
,' ',length
);
973 DEBUG(2, ("Password not found. Denying access\n"));
974 x_fprintf(x_stdout
, "ERR\n");
980 if (stdio_helper_mode
== SQUID_2_5_BASIC
) {
981 rfc1738_unescape(user
);
982 rfc1738_unescape(pass
);
985 if (check_plaintext_auth(user
, pass
, False
)) {
986 x_fprintf(x_stdout
, "OK\n");
988 x_fprintf(x_stdout
, "ERR\n");
992 static void offer_gss_spnego_mechs(void) {
1000 pstring myname_lower
;
1002 ZERO_STRUCT(spnego
);
1004 pstrcpy(myname_lower
, global_myname());
1005 strlower_m(myname_lower
);
1007 pstr_sprintf(principal
, "%s$@%s", myname_lower
, lp_realm());
1009 /* Server negTokenInit (mech offerings) */
1010 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1011 spnego
.negTokenInit
.mechTypes
= SMB_XMALLOC_ARRAY(const char *, 2);
1013 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
1014 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
1015 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
1017 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
1018 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
1022 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
1025 len
= write_spnego_data(&token
, &spnego
);
1026 free_spnego_data(&spnego
);
1029 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1030 x_fprintf(x_stdout
, "BH\n");
1034 reply_base64
= base64_encode_data_blob(token
);
1035 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
1037 SAFE_FREE(reply_base64
);
1038 data_blob_free(&token
);
1039 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1043 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode
,
1044 char *buf
, int length
)
1046 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
1047 SPNEGO_DATA request
, response
;
1053 char *domain
= NULL
;
1055 const char *reply_code
;
1057 pstring reply_argument
;
1059 if (strlen(buf
) < 2) {
1060 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
1061 x_fprintf(x_stdout
, "BH\n");
1065 if (strncmp(buf
, "YR", 2) == 0) {
1067 ntlmssp_end(&ntlmssp_state
);
1068 } else if (strncmp(buf
, "KK", 2) == 0) {
1071 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
1072 x_fprintf(x_stdout
, "BH\n");
1076 if ( (strlen(buf
) == 2)) {
1078 /* no client data, get the negTokenInit offering
1081 offer_gss_spnego_mechs();
1085 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1087 if (strlen(buf
) <= 3) {
1088 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
1089 x_fprintf(x_stdout
, "BH\n");
1093 token
= base64_decode_data_blob(buf
+ 3);
1094 len
= read_spnego_data(token
, &request
);
1095 data_blob_free(&token
);
1098 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
1099 x_fprintf(x_stdout
, "BH\n");
1103 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1105 /* Second request from Client. This is where the
1106 client offers its mechanism to use. */
1108 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
1109 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
1110 DEBUG(1, ("Client did not offer any mechanism"));
1111 x_fprintf(x_stdout
, "BH\n");
1115 status
= NT_STATUS_UNSUCCESSFUL
;
1116 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
1118 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
1119 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1120 x_fprintf(x_stdout
, "BH\n");
1124 if ( ntlmssp_state
!= NULL
) {
1125 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1126 "already got one\n"));
1127 x_fprintf(x_stdout
, "BH\n");
1128 ntlmssp_end(&ntlmssp_state
);
1132 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
1133 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1137 DEBUG(10, ("got NTLMSSP packet:\n"));
1138 dump_data(10, (const char *)request
.negTokenInit
.mechToken
.data
,
1139 request
.negTokenInit
.mechToken
.length
);
1141 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1142 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
1143 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
1145 status
= ntlmssp_update(ntlmssp_state
,
1146 request
.negTokenInit
.mechToken
,
1147 &response
.negTokenTarg
.responseToken
);
1151 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
1153 TALLOC_CTX
*mem_ctx
= talloc_init("manage_gss_spnego_request");
1156 DATA_BLOB session_key
;
1158 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
1159 DEBUG(1, ("Client did not provide Kerberos data\n"));
1160 x_fprintf(x_stdout
, "BH\n");
1164 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1165 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_KERBEROS5_OLD
);
1166 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
1167 response
.negTokenTarg
.responseToken
= data_blob(NULL
, 0);
1169 status
= ads_verify_ticket(mem_ctx
, lp_realm(), 0,
1170 &request
.negTokenInit
.mechToken
,
1171 &principal
, NULL
, &ap_rep
,
1174 talloc_destroy(mem_ctx
);
1176 /* Now in "principal" we have the name we are
1177 authenticated as. */
1179 if (NT_STATUS_IS_OK(status
)) {
1181 domain
= strchr_m(principal
, '@');
1183 if (domain
== NULL
) {
1184 DEBUG(1, ("Did not get a valid principal "
1185 "from ads_verify_ticket\n"));
1186 x_fprintf(x_stdout
, "BH\n");
1191 domain
= SMB_STRDUP(domain
);
1192 user
= SMB_STRDUP(principal
);
1194 data_blob_free(&ap_rep
);
1196 SAFE_FREE(principal
);
1203 if ( (request
.negTokenTarg
.supportedMech
== NULL
) ||
1204 ( strcmp(request
.negTokenTarg
.supportedMech
, OID_NTLMSSP
) != 0 ) ) {
1205 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1206 is the only one we support that sends this stuff */
1207 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1208 request
.negTokenTarg
.supportedMech
));
1209 x_fprintf(x_stdout
, "BH\n");
1213 if (request
.negTokenTarg
.responseToken
.data
== NULL
) {
1214 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1215 x_fprintf(x_stdout
, "BH\n");
1219 status
= ntlmssp_update(ntlmssp_state
,
1220 request
.negTokenTarg
.responseToken
,
1221 &response
.negTokenTarg
.responseToken
);
1223 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1224 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
1225 response
.negTokenTarg
.mechListMIC
= data_blob(NULL
, 0);
1227 if (NT_STATUS_IS_OK(status
)) {
1228 user
= SMB_STRDUP(ntlmssp_state
->user
);
1229 domain
= SMB_STRDUP(ntlmssp_state
->domain
);
1230 ntlmssp_end(&ntlmssp_state
);
1234 free_spnego_data(&request
);
1236 if (NT_STATUS_IS_OK(status
)) {
1237 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_COMPLETED
;
1239 pstr_sprintf(reply_argument
, "%s\\%s", domain
, user
);
1240 } else if (NT_STATUS_EQUAL(status
,
1241 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1242 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1244 pstr_sprintf(reply_argument
, "*");
1246 response
.negTokenTarg
.negResult
= SPNEGO_REJECT
;
1248 pstrcpy(reply_argument
, nt_errstr(status
));
1254 len
= write_spnego_data(&token
, &response
);
1255 free_spnego_data(&response
);
1258 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1259 x_fprintf(x_stdout
, "BH\n");
1263 reply_base64
= base64_encode_data_blob(token
);
1265 x_fprintf(x_stdout
, "%s %s %s\n",
1266 reply_code
, reply_base64
, reply_argument
);
1268 SAFE_FREE(reply_base64
);
1269 data_blob_free(&token
);
1274 static NTLMSSP_STATE
*client_ntlmssp_state
= NULL
;
1276 static BOOL
manage_client_ntlmssp_init(SPNEGO_DATA spnego
)
1279 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1280 DATA_BLOB to_server
;
1281 char *to_server_base64
;
1282 const char *my_mechs
[] = {OID_NTLMSSP
, NULL
};
1284 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1286 if (client_ntlmssp_state
!= NULL
) {
1287 DEBUG(1, ("Request for initial SPNEGO request where "
1288 "we already have a state\n"));
1292 if (!client_ntlmssp_state
) {
1293 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state
))) {
1294 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1300 if (opt_password
== NULL
) {
1302 /* Request a password from the calling process. After
1303 sending it, the calling process should retry with
1304 the negTokenInit. */
1306 DEBUG(10, ("Requesting password\n"));
1307 x_fprintf(x_stdout
, "PW\n");
1311 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1312 spnego
.negTokenInit
.mechTypes
= my_mechs
;
1313 spnego
.negTokenInit
.reqFlags
= 0;
1314 spnego
.negTokenInit
.mechListMIC
= null_blob
;
1316 status
= ntlmssp_update(client_ntlmssp_state
, null_blob
,
1317 &spnego
.negTokenInit
.mechToken
);
1319 if ( !(NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
) ||
1320 NT_STATUS_IS_OK(status
)) ) {
1321 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1322 nt_errstr(status
)));
1323 ntlmssp_end(&client_ntlmssp_state
);
1327 write_spnego_data(&to_server
, &spnego
);
1328 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1330 to_server_base64
= base64_encode_data_blob(to_server
);
1331 data_blob_free(&to_server
);
1332 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1333 SAFE_FREE(to_server_base64
);
1337 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1340 DATA_BLOB null_blob
= data_blob(NULL
, 0);
1342 DATA_BLOB to_server
;
1343 char *to_server_base64
;
1345 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1347 if (client_ntlmssp_state
== NULL
) {
1348 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1349 x_fprintf(x_stdout
, "BH\n");
1353 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1354 x_fprintf(x_stdout
, "NA\n");
1355 ntlmssp_end(&client_ntlmssp_state
);
1359 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1360 x_fprintf(x_stdout
, "AF\n");
1361 ntlmssp_end(&client_ntlmssp_state
);
1365 status
= ntlmssp_update(client_ntlmssp_state
,
1366 spnego
.negTokenTarg
.responseToken
,
1369 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1370 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1371 "ntlmssp_client_update, got: %s\n",
1372 nt_errstr(status
)));
1373 x_fprintf(x_stdout
, "BH\n");
1374 data_blob_free(&request
);
1375 ntlmssp_end(&client_ntlmssp_state
);
1379 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1380 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1381 spnego
.negTokenTarg
.supportedMech
= (char *)OID_NTLMSSP
;
1382 spnego
.negTokenTarg
.responseToken
= request
;
1383 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1385 write_spnego_data(&to_server
, &spnego
);
1386 data_blob_free(&request
);
1388 to_server_base64
= base64_encode_data_blob(to_server
);
1389 data_blob_free(&to_server
);
1390 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1391 SAFE_FREE(to_server_base64
);
1397 static BOOL
manage_client_krb5_init(SPNEGO_DATA spnego
)
1400 DATA_BLOB tkt
, to_server
;
1401 DATA_BLOB session_key_krb5
= data_blob(NULL
, 0);
1406 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1409 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1410 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1411 DEBUG(1, ("Did not get a principal for krb5\n"));
1415 principal
= (char *)SMB_MALLOC(
1416 spnego
.negTokenInit
.mechListMIC
.length
+1);
1418 if (principal
== NULL
) {
1419 DEBUG(1, ("Could not malloc principal\n"));
1423 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1424 spnego
.negTokenInit
.mechListMIC
.length
);
1425 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1427 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0, NULL
);
1433 /* Let's try to first get the TGT, for that we need a
1436 if (opt_password
== NULL
) {
1437 DEBUG(10, ("Requesting password\n"));
1438 x_fprintf(x_stdout
, "PW\n");
1442 pstr_sprintf(user
, "%s@%s", opt_username
, opt_domain
);
1444 if ((retval
= kerberos_kinit_password(user
, opt_password
, 0, NULL
))) {
1445 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1449 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0, NULL
);
1452 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1457 data_blob_free(&session_key_krb5
);
1461 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1462 reply
.negTokenInit
.mechTypes
= my_mechs
;
1463 reply
.negTokenInit
.reqFlags
= 0;
1464 reply
.negTokenInit
.mechToken
= tkt
;
1465 reply
.negTokenInit
.mechListMIC
= data_blob(NULL
, 0);
1467 len
= write_spnego_data(&to_server
, &reply
);
1468 data_blob_free(&tkt
);
1471 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1475 reply_base64
= base64_encode_data_blob(to_server
);
1476 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1478 SAFE_FREE(reply_base64
);
1479 data_blob_free(&to_server
);
1480 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1484 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1486 switch (spnego
.negTokenTarg
.negResult
) {
1487 case SPNEGO_ACCEPT_INCOMPLETE
:
1488 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1489 x_fprintf(x_stdout
, "BH\n");
1491 case SPNEGO_ACCEPT_COMPLETED
:
1492 DEBUG(10, ("Accept completed\n"));
1493 x_fprintf(x_stdout
, "AF\n");
1496 DEBUG(10, ("Rejected\n"));
1497 x_fprintf(x_stdout
, "NA\n");
1500 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1501 x_fprintf(x_stdout
, "AF\n");
1507 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode
,
1508 char *buf
, int length
)
1514 if (!opt_username
|| !*opt_username
) {
1515 x_fprintf(x_stderr
, "username must be specified!\n\n");
1519 if (strlen(buf
) <= 3) {
1520 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1521 x_fprintf(x_stdout
, "BH\n");
1525 request
= base64_decode_data_blob(buf
+3);
1527 if (strncmp(buf
, "PW ", 3) == 0) {
1529 /* We asked for a password and obviously got it :-) */
1531 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
1533 if (opt_password
== NULL
) {
1534 DEBUG(1, ("Out of memory\n"));
1535 x_fprintf(x_stdout
, "BH\n");
1536 data_blob_free(&request
);
1540 x_fprintf(x_stdout
, "OK\n");
1541 data_blob_free(&request
);
1545 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1546 (strncmp(buf
, "AF ", 3) != 0) &&
1547 (strncmp(buf
, "NA ", 3) != 0) ) {
1548 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1549 x_fprintf(x_stdout
, "BH\n");
1550 data_blob_free(&request
);
1554 /* So we got a server challenge to generate a SPNEGO
1555 client-to-server request... */
1557 len
= read_spnego_data(request
, &spnego
);
1558 data_blob_free(&request
);
1561 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1562 x_fprintf(x_stdout
, "BH\n");
1566 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1568 /* The server offers a list of mechanisms */
1570 const char **mechType
= (const char **)spnego
.negTokenInit
.mechTypes
;
1572 while (*mechType
!= NULL
) {
1575 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1576 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1577 if (manage_client_krb5_init(spnego
))
1582 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1583 if (manage_client_ntlmssp_init(spnego
))
1590 DEBUG(1, ("Server offered no compatible mechanism\n"));
1591 x_fprintf(x_stdout
, "BH\n");
1595 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1597 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1598 /* On accept/reject Windows does not send the
1599 mechanism anymore. Handle that here and
1600 shut down the mechanisms. */
1602 switch (spnego
.negTokenTarg
.negResult
) {
1603 case SPNEGO_ACCEPT_COMPLETED
:
1604 x_fprintf(x_stdout
, "AF\n");
1607 x_fprintf(x_stdout
, "NA\n");
1610 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1611 "unknown negResult: %d\n",
1612 spnego
.negTokenTarg
.negResult
));
1613 x_fprintf(x_stdout
, "BH\n");
1616 ntlmssp_end(&client_ntlmssp_state
);
1620 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1621 OID_NTLMSSP
) == 0) {
1622 manage_client_ntlmssp_targ(spnego
);
1627 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1628 OID_KERBEROS5_OLD
) == 0) {
1629 manage_client_krb5_targ(spnego
);
1636 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1637 x_fprintf(x_stdout
, "BH\n");
1641 free_spnego_data(&spnego
);
1645 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode
,
1646 char *buf
, int length
)
1648 char *request
, *parameter
;
1649 static DATA_BLOB challenge
;
1650 static DATA_BLOB lm_response
;
1651 static DATA_BLOB nt_response
;
1652 static char *full_username
;
1653 static char *username
;
1654 static char *domain
;
1655 static char *plaintext_password
;
1656 static BOOL ntlm_server_1_user_session_key
;
1657 static BOOL ntlm_server_1_lm_session_key
;
1659 if (strequal(buf
, ".")) {
1660 if (!full_username
&& !username
) {
1661 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1662 } else if (plaintext_password
) {
1663 /* handle this request as plaintext */
1664 if (!full_username
) {
1665 if (asprintf(&full_username
, "%s%c%s", domain
, winbind_separator(), username
) == -1) {
1666 x_fprintf(x_stdout
, "Error: Out of memory in asprintf!\n.\n");
1670 if (check_plaintext_auth(full_username
, plaintext_password
, False
)) {
1671 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1673 x_fprintf(x_stdout
, "Authenticated: No\n");
1675 } else if (!lm_response
.data
&& !nt_response
.data
) {
1676 x_fprintf(x_stdout
, "Error: No password supplied!\n");
1677 } else if (!challenge
.data
) {
1678 x_fprintf(x_stdout
, "Error: No lanman-challenge supplied!\n");
1680 char *error_string
= NULL
;
1682 uchar user_session_key
[16];
1685 if (full_username
&& !username
) {
1687 fstring fstr_domain
;
1689 if (!parse_ntlm_auth_domain_user(full_username
, fstr_user
, fstr_domain
)) {
1690 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1691 x_fprintf(x_stdout
, "Error: Could not parse into domain and username\n");
1693 SAFE_FREE(username
);
1695 username
= smb_xstrdup(fstr_user
);
1696 domain
= smb_xstrdup(fstr_domain
);
1700 domain
= smb_xstrdup(get_winbind_domain());
1703 if (ntlm_server_1_lm_session_key
)
1704 flags
|= WBFLAG_PAM_LMKEY
;
1706 if (ntlm_server_1_user_session_key
)
1707 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1709 if (!NT_STATUS_IS_OK(
1710 contact_winbind_auth_crap(username
,
1722 x_fprintf(x_stdout
, "Authenticated: No\n");
1723 x_fprintf(x_stdout
, "Authentication-Error: %s\n.\n", error_string
);
1724 SAFE_FREE(error_string
);
1726 static char zeros
[16];
1728 char *hex_user_session_key
;
1730 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1732 if (ntlm_server_1_lm_session_key
1733 && (memcmp(zeros
, lm_key
,
1734 sizeof(lm_key
)) != 0)) {
1735 hex_lm_key
= hex_encode(NULL
,
1736 (const unsigned char *)lm_key
,
1738 x_fprintf(x_stdout
, "LANMAN-Session-Key: %s\n", hex_lm_key
);
1739 TALLOC_FREE(hex_lm_key
);
1742 if (ntlm_server_1_user_session_key
1743 && (memcmp(zeros
, user_session_key
,
1744 sizeof(user_session_key
)) != 0)) {
1745 hex_user_session_key
= hex_encode(NULL
,
1746 (const unsigned char *)user_session_key
,
1747 sizeof(user_session_key
));
1748 x_fprintf(x_stdout
, "User-Session-Key: %s\n", hex_user_session_key
);
1749 TALLOC_FREE(hex_user_session_key
);
1753 /* clear out the state */
1754 challenge
= data_blob(NULL
, 0);
1755 nt_response
= data_blob(NULL
, 0);
1756 lm_response
= data_blob(NULL
, 0);
1757 SAFE_FREE(full_username
);
1758 SAFE_FREE(username
);
1760 SAFE_FREE(plaintext_password
);
1761 ntlm_server_1_user_session_key
= False
;
1762 ntlm_server_1_lm_session_key
= False
;
1763 x_fprintf(x_stdout
, ".\n");
1770 /* Indicates a base64 encoded structure */
1771 parameter
= strstr_m(request
, ":: ");
1773 parameter
= strstr_m(request
, ": ");
1776 DEBUG(0, ("Parameter not found!\n"));
1777 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1794 base64_decode_inplace(parameter
);
1797 if (strequal(request
, "LANMAN-Challenge")) {
1798 challenge
= strhex_to_data_blob(NULL
, parameter
);
1799 if (challenge
.length
!= 8) {
1800 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1802 (int)challenge
.length
);
1803 challenge
= data_blob(NULL
, 0);
1805 } else if (strequal(request
, "NT-Response")) {
1806 nt_response
= strhex_to_data_blob(NULL
, parameter
);
1807 if (nt_response
.length
< 24) {
1808 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1810 (int)nt_response
.length
);
1811 nt_response
= data_blob(NULL
, 0);
1813 } else if (strequal(request
, "LANMAN-Response")) {
1814 lm_response
= strhex_to_data_blob(NULL
, parameter
);
1815 if (lm_response
.length
!= 24) {
1816 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1818 (int)lm_response
.length
);
1819 lm_response
= data_blob(NULL
, 0);
1821 } else if (strequal(request
, "Password")) {
1822 plaintext_password
= smb_xstrdup(parameter
);
1823 } else if (strequal(request
, "NT-Domain")) {
1824 domain
= smb_xstrdup(parameter
);
1825 } else if (strequal(request
, "Username")) {
1826 username
= smb_xstrdup(parameter
);
1827 } else if (strequal(request
, "Full-Username")) {
1828 full_username
= smb_xstrdup(parameter
);
1829 } else if (strequal(request
, "Request-User-Session-Key")) {
1830 ntlm_server_1_user_session_key
= strequal(parameter
, "Yes");
1831 } else if (strequal(request
, "Request-LanMan-Session-Key")) {
1832 ntlm_server_1_lm_session_key
= strequal(parameter
, "Yes");
1834 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
1838 static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode
, char *buf
, int length
)
1840 char *request
, *parameter
;
1841 static DATA_BLOB new_nt_pswd
;
1842 static DATA_BLOB old_nt_hash_enc
;
1843 static DATA_BLOB new_lm_pswd
;
1844 static DATA_BLOB old_lm_hash_enc
;
1845 static char *full_username
= NULL
;
1846 static char *username
= NULL
;
1847 static char *domain
= NULL
;
1848 static char *newpswd
= NULL
;
1849 static char *oldpswd
= NULL
;
1851 if (strequal(buf
, ".")) {
1852 if(newpswd
&& oldpswd
) {
1853 uchar old_nt_hash
[16];
1854 uchar old_lm_hash
[16];
1855 uchar new_nt_hash
[16];
1856 uchar new_lm_hash
[16];
1858 new_nt_pswd
= data_blob(NULL
, 516);
1859 old_nt_hash_enc
= data_blob(NULL
, 16);
1861 /* Calculate the MD4 hash (NT compatible) of the
1863 E_md4hash(oldpswd
, old_nt_hash
);
1864 E_md4hash(newpswd
, new_nt_hash
);
1866 /* E_deshash returns false for 'long'
1867 passwords (> 14 DOS chars).
1869 Therefore, don't send a buffer
1870 encrypted with the truncated hash
1871 (it could allow an even easier
1872 attack on the password)
1874 Likewise, obey the admin's restriction
1877 if (lp_client_lanman_auth() &&
1878 E_deshash(newpswd
, new_lm_hash
) &&
1879 E_deshash(oldpswd
, old_lm_hash
)) {
1880 new_lm_pswd
= data_blob(NULL
, 516);
1881 old_lm_hash_enc
= data_blob(NULL
, 16);
1882 encode_pw_buffer(new_lm_pswd
.data
, newpswd
,
1885 SamOEMhash(new_lm_pswd
.data
, old_nt_hash
, 516);
1886 E_old_pw_hash(new_nt_hash
, old_lm_hash
,
1887 old_lm_hash_enc
.data
);
1889 new_lm_pswd
.data
= NULL
;
1890 new_lm_pswd
.length
= 0;
1891 old_lm_hash_enc
.data
= NULL
;
1892 old_lm_hash_enc
.length
= 0;
1895 encode_pw_buffer(new_nt_pswd
.data
, newpswd
,
1898 SamOEMhash(new_nt_pswd
.data
, old_nt_hash
, 516);
1899 E_old_pw_hash(new_nt_hash
, old_nt_hash
,
1900 old_nt_hash_enc
.data
);
1903 if (!full_username
&& !username
) {
1904 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1905 } else if ((!new_nt_pswd
.data
|| !old_nt_hash_enc
.data
) &&
1906 (!new_lm_pswd
.data
|| old_lm_hash_enc
.data
) ) {
1907 x_fprintf(x_stdout
, "Error: No NT or LM password "
1908 "blobs supplied!\n");
1910 char *error_string
= NULL
;
1912 if (full_username
&& !username
) {
1914 fstring fstr_domain
;
1916 if (!parse_ntlm_auth_domain_user(full_username
,
1919 /* username might be 'tainted', don't
1920 * print into our new-line
1921 * deleimianted stream */
1922 x_fprintf(x_stdout
, "Error: Could not "
1923 "parse into domain and "
1925 SAFE_FREE(username
);
1926 username
= smb_xstrdup(full_username
);
1928 SAFE_FREE(username
);
1930 username
= smb_xstrdup(fstr_user
);
1931 domain
= smb_xstrdup(fstr_domain
);
1936 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
1943 x_fprintf(x_stdout
, "Password-Change: No\n");
1944 x_fprintf(x_stdout
, "Password-Change-Error: "
1945 "%s\n.\n", error_string
);
1947 x_fprintf(x_stdout
, "Password-Change: Yes\n");
1950 SAFE_FREE(error_string
);
1952 /* clear out the state */
1953 new_nt_pswd
= data_blob(NULL
, 0);
1954 old_nt_hash_enc
= data_blob(NULL
, 0);
1955 new_lm_pswd
= data_blob(NULL
, 0);
1956 old_nt_hash_enc
= data_blob(NULL
, 0);
1957 SAFE_FREE(full_username
);
1958 SAFE_FREE(username
);
1962 x_fprintf(x_stdout
, ".\n");
1969 /* Indicates a base64 encoded structure */
1970 parameter
= strstr_m(request
, ":: ");
1972 parameter
= strstr_m(request
, ": ");
1975 DEBUG(0, ("Parameter not found!\n"));
1976 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1992 base64_decode_inplace(parameter
);
1995 if (strequal(request
, "new-nt-password-blob")) {
1996 new_nt_pswd
= strhex_to_data_blob(NULL
, parameter
);
1997 if (new_nt_pswd
.length
!= 516) {
1998 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
1999 "(got %d bytes, expected 516)\n.\n",
2001 (int)new_nt_pswd
.length
);
2002 new_nt_pswd
= data_blob(NULL
, 0);
2004 } else if (strequal(request
, "old-nt-hash-blob")) {
2005 old_nt_hash_enc
= strhex_to_data_blob(NULL
, parameter
);
2006 if (old_nt_hash_enc
.length
!= 16) {
2007 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2008 "(got %d bytes, expected 16)\n.\n",
2010 (int)old_nt_hash_enc
.length
);
2011 old_nt_hash_enc
= data_blob(NULL
, 0);
2013 } else if (strequal(request
, "new-lm-password-blob")) {
2014 new_lm_pswd
= strhex_to_data_blob(NULL
, parameter
);
2015 if (new_lm_pswd
.length
!= 516) {
2016 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2017 "(got %d bytes, expected 516)\n.\n",
2019 (int)new_lm_pswd
.length
);
2020 new_lm_pswd
= data_blob(NULL
, 0);
2023 else if (strequal(request
, "old-lm-hash-blob")) {
2024 old_lm_hash_enc
= strhex_to_data_blob(NULL
, parameter
);
2025 if (old_lm_hash_enc
.length
!= 16)
2027 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2028 "(got %d bytes, expected 16)\n.\n",
2030 (int)old_lm_hash_enc
.length
);
2031 old_lm_hash_enc
= data_blob(NULL
, 0);
2033 } else if (strequal(request
, "nt-domain")) {
2034 domain
= smb_xstrdup(parameter
);
2035 } else if(strequal(request
, "username")) {
2036 username
= smb_xstrdup(parameter
);
2037 } else if(strequal(request
, "full-username")) {
2038 username
= smb_xstrdup(parameter
);
2039 } else if(strequal(request
, "new-password")) {
2040 newpswd
= smb_xstrdup(parameter
);
2041 } else if (strequal(request
, "old-password")) {
2042 oldpswd
= smb_xstrdup(parameter
);
2044 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
2048 static void manage_squid_request(enum stdio_helper_mode helper_mode
, stdio_helper_function fn
)
2050 char buf
[SQUID_BUFFER_SIZE
+1];
2055 /* this is not a typo - x_fgets doesn't work too well under squid */
2056 if (fgets(buf
, sizeof(buf
)-1, stdin
) == NULL
) {
2057 if (ferror(stdin
)) {
2058 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin
),
2059 strerror(ferror(stdin
))));
2061 exit(1); /* BIIG buffer */
2066 c
=(char *)memchr(buf
,'\n',sizeof(buf
)-1);
2075 DEBUG(2, ("Oversized message\n"));
2076 x_fprintf(x_stderr
, "ERR\n");
2081 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
2083 if (buf
[0] == '\0') {
2084 DEBUG(2, ("Invalid Request\n"));
2085 x_fprintf(x_stderr
, "ERR\n");
2089 fn(helper_mode
, buf
, length
);
2093 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
2094 /* initialize FDescs */
2095 x_setbuf(x_stdout
, NULL
);
2096 x_setbuf(x_stderr
, NULL
);
2098 manage_squid_request(stdio_mode
, fn
);
2103 /* Authenticate a user with a challenge/response */
2105 static BOOL
check_auth_crap(void)
2110 char user_session_key
[16];
2112 char *hex_user_session_key
;
2114 static uint8 zeros
[16];
2116 x_setbuf(x_stdout
, NULL
);
2119 flags
|= WBFLAG_PAM_LMKEY
;
2121 if (request_user_session_key
)
2122 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
2124 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
2126 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
2132 (unsigned char *)lm_key
,
2133 (unsigned char *)user_session_key
,
2134 &error_string
, NULL
);
2136 if (!NT_STATUS_IS_OK(nt_status
)) {
2137 x_fprintf(x_stdout
, "%s (0x%x)\n",
2139 NT_STATUS_V(nt_status
));
2140 SAFE_FREE(error_string
);
2145 && (memcmp(zeros
, lm_key
,
2146 sizeof(lm_key
)) != 0)) {
2147 hex_lm_key
= hex_encode(NULL
, (const unsigned char *)lm_key
,
2149 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
2150 TALLOC_FREE(hex_lm_key
);
2152 if (request_user_session_key
2153 && (memcmp(zeros
, user_session_key
,
2154 sizeof(user_session_key
)) != 0)) {
2155 hex_user_session_key
= hex_encode(NULL
, (const unsigned char *)user_session_key
,
2156 sizeof(user_session_key
));
2157 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_user_session_key
);
2158 TALLOC_FREE(hex_user_session_key
);
2167 OPT_USERNAME
= 1000,
2176 OPT_USER_SESSION_KEY
,
2178 OPT_REQUIRE_MEMBERSHIP
,
2179 OPT_USE_CACHED_CREDS
2182 int main(int argc
, const char **argv
)
2185 static const char *helper_protocol
;
2186 static int diagnostics
;
2188 static const char *hex_challenge
;
2189 static const char *hex_lm_response
;
2190 static const char *hex_nt_response
;
2194 /* NOTE: DO NOT change this interface without considering the implications!
2195 This is an external interface, which other programs will use to interact
2199 /* We do not use single-letter command abbreviations, because they harm future
2200 interface stability. */
2202 struct poptOption long_options
[] = {
2204 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
2205 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
2206 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
2207 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
2208 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
2209 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
2210 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2211 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
2212 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retrieve LM session key"},
2213 { "request-nt-key", 0, POPT_ARG_NONE
, &request_user_session_key
, OPT_USER_SESSION_KEY
, "Retrieve User (NT) session key"},
2214 { "use-cached-creds", 0, POPT_ARG_NONE
, &use_cached_creds
, OPT_USE_CACHED_CREDS
, "Use cached credentials if no password is given"},
2215 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
2216 { "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" },
2221 /* Samba client initialisation */
2226 /* Samba client initialisation */
2228 if (!lp_load(dyn_CONFIGFILE
, True
, False
, False
, True
)) {
2229 d_fprintf(stderr
, "ntlm_auth: error opening config file %s. Error was %s\n",
2230 dyn_CONFIGFILE
, strerror(errno
));
2236 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
2238 /* Parse command line options */
2241 poptPrintHelp(pc
, stderr
, 0);
2245 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
2246 POPT_CONTEXT_KEEP_FIRST
);
2248 while((opt
= poptGetNextOpt(pc
)) != -1) {
2251 opt_challenge
= strhex_to_data_blob(NULL
, hex_challenge
);
2252 if (opt_challenge
.length
!= 8) {
2253 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2255 (int)opt_challenge
.length
);
2260 opt_lm_response
= strhex_to_data_blob(NULL
, hex_lm_response
);
2261 if (opt_lm_response
.length
!= 24) {
2262 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2264 (int)opt_lm_response
.length
);
2270 opt_nt_response
= strhex_to_data_blob(NULL
, hex_nt_response
);
2271 if (opt_nt_response
.length
< 24) {
2272 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2274 (int)opt_nt_response
.length
);
2279 case OPT_REQUIRE_MEMBERSHIP
:
2280 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
2281 require_membership_of_sid
= require_membership_of
;
2288 char *domain
= SMB_STRDUP(opt_username
);
2289 char *p
= strchr_m(domain
, *lp_winbind_separator());
2293 if (opt_domain
&& !strequal(opt_domain
, domain
)) {
2294 x_fprintf(x_stderr
, "Domain specified in username (%s) "
2295 "doesn't match specified domain (%s)!\n\n",
2296 domain
, opt_domain
);
2297 poptPrintHelp(pc
, stderr
, 0);
2300 opt_domain
= domain
;
2306 if (opt_domain
== NULL
|| !*opt_domain
) {
2307 opt_domain
= get_winbind_domain();
2310 if (opt_workstation
== NULL
) {
2311 opt_workstation
= "";
2314 if (helper_protocol
) {
2316 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2317 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
2318 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
2322 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
2324 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2325 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
2331 if (!opt_username
|| !*opt_username
) {
2332 x_fprintf(x_stderr
, "username must be specified!\n\n");
2333 poptPrintHelp(pc
, stderr
, 0);
2337 if (opt_challenge
.length
) {
2338 if (!check_auth_crap()) {
2344 if (!opt_password
) {
2345 opt_password
= getpass("password: ");
2349 if (!diagnose_ntlm_auth()) {
2355 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
2356 if (!check_plaintext_auth(user
, opt_password
, True
)) {
2363 poptFreeContext(pc
);