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).
10 Copyright (C) Kai Blin <kai@samba.org> 2008
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "utils/ntlm_auth.h"
30 #define DBGC_CLASS DBGC_WINBIND
32 #define INITIAL_BUFFER_SIZE 300
33 #define MAX_BUFFER_SIZE 630000
35 enum stdio_helper_mode
{
43 NTLM_CHANGE_PASSWORD_1
,
47 enum ntlm_auth_cli_state
{
54 enum ntlm_auth_svr_state
{
61 struct ntlm_auth_state
{
63 enum stdio_helper_mode helper_mode
;
64 enum ntlm_auth_cli_state cli_state
;
65 enum ntlm_auth_svr_state svr_state
;
66 struct ntlmssp_state
*ntlmssp_state
;
68 char *want_feature_list
;
69 bool have_session_key
;
70 DATA_BLOB session_key
;
71 DATA_BLOB initial_message
;
74 typedef void (*stdio_helper_function
)(struct ntlm_auth_state
*state
, char *buf
,
77 static void manage_squid_basic_request (struct ntlm_auth_state
*state
,
78 char *buf
, int length
);
80 static void manage_squid_ntlmssp_request (struct ntlm_auth_state
*state
,
81 char *buf
, int length
);
83 static void manage_client_ntlmssp_request (struct ntlm_auth_state
*state
,
84 char *buf
, int length
);
86 static void manage_gss_spnego_request (struct ntlm_auth_state
*state
,
87 char *buf
, int length
);
89 static void manage_gss_spnego_client_request (struct ntlm_auth_state
*state
,
90 char *buf
, int length
);
92 static void manage_ntlm_server_1_request (struct ntlm_auth_state
*state
,
93 char *buf
, int length
);
95 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state
*state
,
96 char *buf
, int length
);
99 enum stdio_helper_mode mode
;
101 stdio_helper_function fn
;
102 } stdio_helper_protocols
[] = {
103 { SQUID_2_4_BASIC
, "squid-2.4-basic", manage_squid_basic_request
},
104 { SQUID_2_5_BASIC
, "squid-2.5-basic", manage_squid_basic_request
},
105 { SQUID_2_5_NTLMSSP
, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request
},
106 { NTLMSSP_CLIENT_1
, "ntlmssp-client-1", manage_client_ntlmssp_request
},
107 { GSS_SPNEGO
, "gss-spnego", manage_gss_spnego_request
},
108 { GSS_SPNEGO_CLIENT
, "gss-spnego-client", manage_gss_spnego_client_request
},
109 { NTLM_SERVER_1
, "ntlm-server-1", manage_ntlm_server_1_request
},
110 { NTLM_CHANGE_PASSWORD_1
, "ntlm-change-password-1", manage_ntlm_change_password_1_request
},
111 { NUM_HELPER_MODES
, NULL
, NULL
}
114 const char *opt_username
;
115 const char *opt_domain
;
116 const char *opt_workstation
;
117 const char *opt_password
;
118 static DATA_BLOB opt_challenge
;
119 static DATA_BLOB opt_lm_response
;
120 static DATA_BLOB opt_nt_response
;
121 static int request_lm_key
;
122 static int request_user_session_key
;
123 static int use_cached_creds
;
125 static const char *require_membership_of
;
126 static const char *require_membership_of_sid
;
128 static char winbind_separator(void)
130 struct winbindd_response response
;
137 ZERO_STRUCT(response
);
139 /* Send off request */
141 if (winbindd_request_response(WINBINDD_INFO
, NULL
, &response
) !=
142 NSS_STATUS_SUCCESS
) {
143 d_printf("could not obtain winbind separator!\n");
144 return *lp_winbind_separator();
147 sep
= response
.data
.info
.winbind_separator
;
151 d_printf("winbind separator was NULL!\n");
152 return *lp_winbind_separator();
158 const char *get_winbind_domain(void)
160 struct winbindd_response response
;
162 static fstring winbind_domain
;
163 if (*winbind_domain
) {
164 return winbind_domain
;
167 ZERO_STRUCT(response
);
169 /* Send off request */
171 if (winbindd_request_response(WINBINDD_DOMAIN_NAME
, NULL
, &response
) !=
172 NSS_STATUS_SUCCESS
) {
173 DEBUG(0, ("could not obtain winbind domain name!\n"));
174 return lp_workgroup();
177 fstrcpy(winbind_domain
, response
.data
.domain_name
);
179 return winbind_domain
;
183 const char *get_winbind_netbios_name(void)
185 struct winbindd_response response
;
187 static fstring winbind_netbios_name
;
189 if (*winbind_netbios_name
) {
190 return winbind_netbios_name
;
193 ZERO_STRUCT(response
);
195 /* Send off request */
197 if (winbindd_request_response(WINBINDD_NETBIOS_NAME
, NULL
, &response
) !=
198 NSS_STATUS_SUCCESS
) {
199 DEBUG(0, ("could not obtain winbind netbios name!\n"));
200 return global_myname();
203 fstrcpy(winbind_netbios_name
, response
.data
.netbios_name
);
205 return winbind_netbios_name
;
209 DATA_BLOB
get_challenge(void)
211 static DATA_BLOB chal
;
212 if (opt_challenge
.length
)
213 return opt_challenge
;
215 chal
= data_blob(NULL
, 8);
217 generate_random_buffer(chal
.data
, chal
.length
);
221 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
222 form DOMAIN/user into a domain and a user */
224 static bool parse_ntlm_auth_domain_user(const char *domuser
, fstring domain
,
228 char *p
= strchr(domuser
,winbind_separator());
235 fstrcpy(domain
, domuser
);
236 domain
[PTR_DIFF(p
, domuser
)] = 0;
242 static bool get_require_membership_sid(void) {
243 struct winbindd_request request
;
244 struct winbindd_response response
;
246 if (!require_membership_of
) {
250 if (require_membership_of_sid
) {
254 /* Otherwise, ask winbindd for the name->sid request */
256 ZERO_STRUCT(request
);
257 ZERO_STRUCT(response
);
259 if (!parse_ntlm_auth_domain_user(require_membership_of
,
260 request
.data
.name
.dom_name
,
261 request
.data
.name
.name
)) {
262 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
263 require_membership_of
));
267 if (winbindd_request_response(WINBINDD_LOOKUPNAME
, &request
, &response
) !=
268 NSS_STATUS_SUCCESS
) {
269 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
270 require_membership_of
));
274 require_membership_of_sid
= SMB_STRDUP(response
.data
.sid
.sid
);
276 if (require_membership_of_sid
)
281 /* Authenticate a user with a plaintext password */
283 static bool check_plaintext_auth(const char *user
, const char *pass
,
284 bool stdout_diagnostics
)
286 struct winbindd_request request
;
287 struct winbindd_response response
;
290 if (!get_require_membership_sid()) {
294 /* Send off request */
296 ZERO_STRUCT(request
);
297 ZERO_STRUCT(response
);
299 fstrcpy(request
.data
.auth
.user
, user
);
300 fstrcpy(request
.data
.auth
.pass
, pass
);
301 if (require_membership_of_sid
) {
302 strlcpy(request
.data
.auth
.require_membership_of_sid
,
303 require_membership_of_sid
,
304 sizeof(request
.data
.auth
.require_membership_of_sid
));
307 result
= winbindd_request_response(WINBINDD_PAM_AUTH
, &request
, &response
);
309 /* Display response */
311 if (stdout_diagnostics
) {
312 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
313 d_printf("Reading winbind reply failed! (0x01)\n");
316 d_printf("%s: %s (0x%x)\n",
317 response
.data
.auth
.nt_status_string
,
318 response
.data
.auth
.error_string
,
319 response
.data
.auth
.nt_status
);
321 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
322 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
325 DEBUG(3, ("%s: %s (0x%x)\n",
326 response
.data
.auth
.nt_status_string
,
327 response
.data
.auth
.error_string
,
328 response
.data
.auth
.nt_status
));
331 return (result
== NSS_STATUS_SUCCESS
);
334 /* authenticate a user with an encrypted username/password */
336 NTSTATUS
contact_winbind_auth_crap(const char *username
,
338 const char *workstation
,
339 const DATA_BLOB
*challenge
,
340 const DATA_BLOB
*lm_response
,
341 const DATA_BLOB
*nt_response
,
344 uint8 user_session_key
[16],
350 struct winbindd_request request
;
351 struct winbindd_response response
;
353 if (!get_require_membership_sid()) {
354 return NT_STATUS_INVALID_PARAMETER
;
357 ZERO_STRUCT(request
);
358 ZERO_STRUCT(response
);
360 request
.flags
= flags
;
362 request
.data
.auth_crap
.logon_parameters
= MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT
| MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT
;
364 if (require_membership_of_sid
)
365 fstrcpy(request
.data
.auth_crap
.require_membership_of_sid
, require_membership_of_sid
);
367 fstrcpy(request
.data
.auth_crap
.user
, username
);
368 fstrcpy(request
.data
.auth_crap
.domain
, domain
);
370 fstrcpy(request
.data
.auth_crap
.workstation
,
373 memcpy(request
.data
.auth_crap
.chal
, challenge
->data
, MIN(challenge
->length
, 8));
375 if (lm_response
&& lm_response
->length
) {
376 memcpy(request
.data
.auth_crap
.lm_resp
,
378 MIN(lm_response
->length
, sizeof(request
.data
.auth_crap
.lm_resp
)));
379 request
.data
.auth_crap
.lm_resp_len
= lm_response
->length
;
382 if (nt_response
&& nt_response
->length
) {
383 if (nt_response
->length
> sizeof(request
.data
.auth_crap
.nt_resp
)) {
384 request
.flags
= request
.flags
| WBFLAG_BIG_NTLMV2_BLOB
;
385 request
.extra_len
= nt_response
->length
;
386 request
.extra_data
.data
= SMB_MALLOC_ARRAY(char, request
.extra_len
);
387 if (request
.extra_data
.data
== NULL
) {
388 return NT_STATUS_NO_MEMORY
;
390 memcpy(request
.extra_data
.data
, nt_response
->data
,
391 nt_response
->length
);
394 memcpy(request
.data
.auth_crap
.nt_resp
,
395 nt_response
->data
, nt_response
->length
);
397 request
.data
.auth_crap
.nt_resp_len
= nt_response
->length
;
400 result
= winbindd_request_response(WINBINDD_PAM_AUTH_CRAP
, &request
, &response
);
401 SAFE_FREE(request
.extra_data
.data
);
403 /* Display response */
405 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0)) {
406 nt_status
= NT_STATUS_UNSUCCESSFUL
;
408 *error_string
= smb_xstrdup("Reading winbind reply failed!");
409 winbindd_free_response(&response
);
413 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
414 if (!NT_STATUS_IS_OK(nt_status
)) {
416 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
417 winbindd_free_response(&response
);
421 if ((flags
& WBFLAG_PAM_LMKEY
) && lm_key
) {
422 memcpy(lm_key
, response
.data
.auth
.first_8_lm_hash
,
423 sizeof(response
.data
.auth
.first_8_lm_hash
));
425 if ((flags
& WBFLAG_PAM_USER_SESSION_KEY
) && user_session_key
) {
426 memcpy(user_session_key
, response
.data
.auth
.user_session_key
,
427 sizeof(response
.data
.auth
.user_session_key
));
430 if (flags
& WBFLAG_PAM_UNIX_NAME
) {
431 *unix_name
= SMB_STRDUP(response
.data
.auth
.unix_username
);
433 winbindd_free_response(&response
);
434 return NT_STATUS_NO_MEMORY
;
438 winbindd_free_response(&response
);
442 /* contact server to change user password using auth crap */
443 static NTSTATUS
contact_winbind_change_pswd_auth_crap(const char *username
,
445 const DATA_BLOB new_nt_pswd
,
446 const DATA_BLOB old_nt_hash_enc
,
447 const DATA_BLOB new_lm_pswd
,
448 const DATA_BLOB old_lm_hash_enc
,
453 struct winbindd_request request
;
454 struct winbindd_response response
;
456 if (!get_require_membership_sid())
459 *error_string
= smb_xstrdup("Can't get membership sid.");
460 return NT_STATUS_INVALID_PARAMETER
;
463 ZERO_STRUCT(request
);
464 ZERO_STRUCT(response
);
467 fstrcpy(request
.data
.chng_pswd_auth_crap
.user
, username
);
469 fstrcpy(request
.data
.chng_pswd_auth_crap
.domain
,domain
);
471 if(new_nt_pswd
.length
)
473 memcpy(request
.data
.chng_pswd_auth_crap
.new_nt_pswd
, new_nt_pswd
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.new_nt_pswd
));
474 request
.data
.chng_pswd_auth_crap
.new_nt_pswd_len
= new_nt_pswd
.length
;
477 if(old_nt_hash_enc
.length
)
479 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
));
480 request
.data
.chng_pswd_auth_crap
.old_nt_hash_enc_len
= old_nt_hash_enc
.length
;
483 if(new_lm_pswd
.length
)
485 memcpy(request
.data
.chng_pswd_auth_crap
.new_lm_pswd
, new_lm_pswd
.data
, sizeof(request
.data
.chng_pswd_auth_crap
.new_lm_pswd
));
486 request
.data
.chng_pswd_auth_crap
.new_lm_pswd_len
= new_lm_pswd
.length
;
489 if(old_lm_hash_enc
.length
)
491 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
));
492 request
.data
.chng_pswd_auth_crap
.old_lm_hash_enc_len
= old_lm_hash_enc
.length
;
495 result
= winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP
, &request
, &response
);
497 /* Display response */
499 if ((result
!= NSS_STATUS_SUCCESS
) && (response
.data
.auth
.nt_status
== 0))
501 nt_status
= NT_STATUS_UNSUCCESSFUL
;
503 *error_string
= smb_xstrdup("Reading winbind reply failed!");
504 winbindd_free_response(&response
);
508 nt_status
= (NT_STATUS(response
.data
.auth
.nt_status
));
509 if (!NT_STATUS_IS_OK(nt_status
))
512 *error_string
= smb_xstrdup(response
.data
.auth
.error_string
);
513 winbindd_free_response(&response
);
517 winbindd_free_response(&response
);
522 static NTSTATUS
winbind_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
524 static const char zeros
[16] = { 0, };
526 char *error_string
= NULL
;
528 uint8 user_sess_key
[16];
529 char *unix_name
= NULL
;
531 nt_status
= contact_winbind_auth_crap(ntlmssp_state
->user
, ntlmssp_state
->domain
,
532 ntlmssp_state
->workstation
,
533 &ntlmssp_state
->chal
,
534 &ntlmssp_state
->lm_resp
,
535 &ntlmssp_state
->nt_resp
,
536 WBFLAG_PAM_LMKEY
| WBFLAG_PAM_USER_SESSION_KEY
| WBFLAG_PAM_UNIX_NAME
,
537 lm_key
, user_sess_key
,
538 &error_string
, &unix_name
);
540 if (NT_STATUS_IS_OK(nt_status
)) {
541 if (memcmp(lm_key
, zeros
, 8) != 0) {
542 *lm_session_key
= data_blob(NULL
, 16);
543 memcpy(lm_session_key
->data
, lm_key
, 8);
544 memset(lm_session_key
->data
+8, '\0', 8);
547 if (memcmp(user_sess_key
, zeros
, 16) != 0) {
548 *user_session_key
= data_blob(user_sess_key
, 16);
550 ntlmssp_state
->auth_context
= talloc_strdup(ntlmssp_state
->mem_ctx
, unix_name
);
552 DEBUG(NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
) ? 0 : 3,
553 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
554 ntlmssp_state
->domain
, ntlmssp_state
->user
,
555 ntlmssp_state
->workstation
,
556 error_string
? error_string
: "unknown error (NULL)"));
557 ntlmssp_state
->auth_context
= NULL
;
560 SAFE_FREE(error_string
);
561 SAFE_FREE(unix_name
);
565 static NTSTATUS
local_pw_check(struct ntlmssp_state
*ntlmssp_state
, DATA_BLOB
*user_session_key
, DATA_BLOB
*lm_session_key
)
568 uint8 lm_pw
[16], nt_pw
[16];
570 nt_lm_owf_gen (opt_password
, nt_pw
, lm_pw
);
572 nt_status
= ntlm_password_check(ntlmssp_state
->mem_ctx
,
573 &ntlmssp_state
->chal
,
574 &ntlmssp_state
->lm_resp
,
575 &ntlmssp_state
->nt_resp
,
579 ntlmssp_state
->domain
,
580 lm_pw
, nt_pw
, user_session_key
, lm_session_key
);
582 if (NT_STATUS_IS_OK(nt_status
)) {
583 ntlmssp_state
->auth_context
= talloc_asprintf(ntlmssp_state
->mem_ctx
,
584 "%s%c%s", ntlmssp_state
->domain
,
585 *lp_winbind_separator(),
586 ntlmssp_state
->user
);
588 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
589 ntlmssp_state
->domain
, ntlmssp_state
->user
, ntlmssp_state
->workstation
,
590 nt_errstr(nt_status
)));
591 ntlmssp_state
->auth_context
= NULL
;
596 static NTSTATUS
ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE
**client_ntlmssp_state
)
599 if ( (opt_username
== NULL
) || (opt_domain
== NULL
) ) {
600 status
= NT_STATUS_UNSUCCESSFUL
;
601 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
602 return NT_STATUS_INVALID_PARAMETER
;
605 status
= ntlmssp_client_start(client_ntlmssp_state
);
607 if (!NT_STATUS_IS_OK(status
)) {
608 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
610 ntlmssp_end(client_ntlmssp_state
);
614 status
= ntlmssp_set_username(*client_ntlmssp_state
, opt_username
);
616 if (!NT_STATUS_IS_OK(status
)) {
617 DEBUG(1, ("Could not set username: %s\n",
619 ntlmssp_end(client_ntlmssp_state
);
623 status
= ntlmssp_set_domain(*client_ntlmssp_state
, opt_domain
);
625 if (!NT_STATUS_IS_OK(status
)) {
626 DEBUG(1, ("Could not set domain: %s\n",
628 ntlmssp_end(client_ntlmssp_state
);
633 status
= ntlmssp_set_password(*client_ntlmssp_state
, opt_password
);
635 if (!NT_STATUS_IS_OK(status
)) {
636 DEBUG(1, ("Could not set password: %s\n",
638 ntlmssp_end(client_ntlmssp_state
);
646 static NTSTATUS
ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE
**ntlmssp_state
)
648 NTSTATUS status
= ntlmssp_server_start(ntlmssp_state
);
650 if (!NT_STATUS_IS_OK(status
)) {
651 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
656 /* Have we been given a local password, or should we ask winbind? */
658 (*ntlmssp_state
)->check_password
= local_pw_check
;
659 (*ntlmssp_state
)->get_domain
= lp_workgroup
;
660 (*ntlmssp_state
)->get_global_myname
= global_myname
;
662 (*ntlmssp_state
)->check_password
= winbind_pw_check
;
663 (*ntlmssp_state
)->get_domain
= get_winbind_domain
;
664 (*ntlmssp_state
)->get_global_myname
= get_winbind_netbios_name
;
669 /*******************************************************************
670 Used by firefox to drive NTLM auth to IIS servers.
671 *******************************************************************/
673 static NTSTATUS
do_ccache_ntlm_auth(DATA_BLOB initial_msg
, DATA_BLOB challenge_msg
,
676 struct winbindd_request wb_request
;
677 struct winbindd_response wb_response
;
680 /* get winbindd to do the ntlmssp step on our behalf */
681 ZERO_STRUCT(wb_request
);
682 ZERO_STRUCT(wb_response
);
684 fstr_sprintf(wb_request
.data
.ccache_ntlm_auth
.user
,
685 "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
686 wb_request
.data
.ccache_ntlm_auth
.uid
= geteuid();
687 wb_request
.data
.ccache_ntlm_auth
.initial_blob_len
= initial_msg
.length
;
688 wb_request
.data
.ccache_ntlm_auth
.challenge_blob_len
= challenge_msg
.length
;
689 wb_request
.extra_len
= initial_msg
.length
+ challenge_msg
.length
;
691 if (wb_request
.extra_len
> 0) {
692 wb_request
.extra_data
.data
= SMB_MALLOC_ARRAY(char, wb_request
.extra_len
);
693 if (wb_request
.extra_data
.data
== NULL
) {
694 return NT_STATUS_NO_MEMORY
;
697 memcpy(wb_request
.extra_data
.data
, initial_msg
.data
, initial_msg
.length
);
698 memcpy(wb_request
.extra_data
.data
+ initial_msg
.length
,
699 challenge_msg
.data
, challenge_msg
.length
);
702 result
= winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH
, &wb_request
, &wb_response
);
703 SAFE_FREE(wb_request
.extra_data
.data
);
705 if (result
!= NSS_STATUS_SUCCESS
) {
706 winbindd_free_response(&wb_response
);
707 return NT_STATUS_UNSUCCESSFUL
;
711 *reply
= data_blob(wb_response
.extra_data
.data
,
712 wb_response
.data
.ccache_ntlm_auth
.auth_blob_len
);
713 if (wb_response
.data
.ccache_ntlm_auth
.auth_blob_len
> 0 &&
714 reply
->data
== NULL
) {
715 winbindd_free_response(&wb_response
);
716 return NT_STATUS_NO_MEMORY
;
720 winbindd_free_response(&wb_response
);
721 return NT_STATUS_MORE_PROCESSING_REQUIRED
;
724 static void manage_squid_ntlmssp_request(struct ntlm_auth_state
*state
,
725 char *buf
, int length
)
727 DATA_BLOB request
, reply
;
730 if (strlen(buf
) < 2) {
731 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
732 x_fprintf(x_stdout
, "BH NTLMSSP query invalid\n");
736 if (strlen(buf
) > 3) {
737 if(strncmp(buf
, "SF ", 3) == 0){
738 DEBUG(10, ("Setting flags to negotioate\n"));
739 TALLOC_FREE(state
->want_feature_list
);
740 state
->want_feature_list
= talloc_strdup(state
->mem_ctx
,
742 x_fprintf(x_stdout
, "OK\n");
745 request
= base64_decode_data_blob(buf
+ 3);
747 request
= data_blob_null
;
750 if ((strncmp(buf
, "PW ", 3) == 0)) {
751 /* The calling application wants us to use a local password
752 * (rather than winbindd) */
754 opt_password
= SMB_STRNDUP((const char *)request
.data
,
757 if (opt_password
== NULL
) {
758 DEBUG(1, ("Out of memory\n"));
759 x_fprintf(x_stdout
, "BH Out of memory\n");
760 data_blob_free(&request
);
764 x_fprintf(x_stdout
, "OK\n");
765 data_blob_free(&request
);
769 if (strncmp(buf
, "YR", 2) == 0) {
770 if (state
->ntlmssp_state
)
771 ntlmssp_end(&state
->ntlmssp_state
);
772 state
->svr_state
= SERVER_INITIAL
;
773 } else if (strncmp(buf
, "KK", 2) == 0) {
774 /* No special preprocessing required */
775 } else if (strncmp(buf
, "GF", 2) == 0) {
776 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
778 if (state
->svr_state
== SERVER_FINISHED
) {
779 x_fprintf(x_stdout
, "GF 0x%08x\n", state
->neg_flags
);
782 x_fprintf(x_stdout
, "BH\n");
784 data_blob_free(&request
);
786 } else if (strncmp(buf
, "GK", 2) == 0) {
787 DEBUG(10, ("Requested NTLMSSP session key\n"));
788 if(state
->have_session_key
) {
789 char *key64
= base64_encode_data_blob(state
->mem_ctx
,
791 x_fprintf(x_stdout
, "GK %s\n", key64
?key64
:"<NULL>");
794 x_fprintf(x_stdout
, "BH\n");
797 data_blob_free(&request
);
800 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
801 x_fprintf(x_stdout
, "BH NTLMSSP query invalid\n");
805 if (!state
->ntlmssp_state
) {
806 nt_status
= ntlm_auth_start_ntlmssp_server(
807 &state
->ntlmssp_state
);
808 if (!NT_STATUS_IS_OK(nt_status
)) {
809 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
812 ntlmssp_want_feature_list(state
->ntlmssp_state
,
813 state
->want_feature_list
);
816 DEBUG(10, ("got NTLMSSP packet:\n"));
817 dump_data(10, request
.data
, request
.length
);
819 nt_status
= ntlmssp_update(state
->ntlmssp_state
, request
, &reply
);
821 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
822 char *reply_base64
= base64_encode_data_blob(state
->mem_ctx
,
824 x_fprintf(x_stdout
, "TT %s\n", reply_base64
);
825 TALLOC_FREE(reply_base64
);
826 data_blob_free(&reply
);
827 state
->svr_state
= SERVER_CHALLENGE
;
828 DEBUG(10, ("NTLMSSP challenge\n"));
829 } else if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_ACCESS_DENIED
)) {
830 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
831 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
833 ntlmssp_end(&state
->ntlmssp_state
);
834 } else if (!NT_STATUS_IS_OK(nt_status
)) {
835 x_fprintf(x_stdout
, "NA %s\n", nt_errstr(nt_status
));
836 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status
)));
838 x_fprintf(x_stdout
, "AF %s\n",
839 (char *)state
->ntlmssp_state
->auth_context
);
840 DEBUG(10, ("NTLMSSP OK!\n"));
842 if(state
->have_session_key
)
843 data_blob_free(&state
->session_key
);
844 state
->session_key
= data_blob(
845 state
->ntlmssp_state
->session_key
.data
,
846 state
->ntlmssp_state
->session_key
.length
);
847 state
->neg_flags
= state
->ntlmssp_state
->neg_flags
;
848 state
->have_session_key
= true;
849 state
->svr_state
= SERVER_FINISHED
;
852 data_blob_free(&request
);
855 static void manage_client_ntlmssp_request(struct ntlm_auth_state
*state
,
856 char *buf
, int length
)
858 DATA_BLOB request
, reply
;
861 if (!opt_username
|| !*opt_username
) {
862 x_fprintf(x_stderr
, "username must be specified!\n\n");
866 if (strlen(buf
) < 2) {
867 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
868 x_fprintf(x_stdout
, "BH NTLMSSP query invalid\n");
872 if (strlen(buf
) > 3) {
873 if(strncmp(buf
, "SF ", 3) == 0) {
874 DEBUG(10, ("Looking for flags to negotiate\n"));
875 talloc_free(state
->want_feature_list
);
876 state
->want_feature_list
= talloc_strdup(state
->mem_ctx
,
878 x_fprintf(x_stdout
, "OK\n");
881 request
= base64_decode_data_blob(buf
+ 3);
883 request
= data_blob_null
;
886 if (strncmp(buf
, "PW ", 3) == 0) {
887 /* We asked for a password and obviously got it :-) */
889 opt_password
= SMB_STRNDUP((const char *)request
.data
,
892 if (opt_password
== NULL
) {
893 DEBUG(1, ("Out of memory\n"));
894 x_fprintf(x_stdout
, "BH Out of memory\n");
895 data_blob_free(&request
);
899 x_fprintf(x_stdout
, "OK\n");
900 data_blob_free(&request
);
904 if (!state
->ntlmssp_state
&& use_cached_creds
) {
905 /* check whether cached credentials are usable. */
906 DATA_BLOB empty_blob
= data_blob_null
;
908 nt_status
= do_ccache_ntlm_auth(empty_blob
, empty_blob
, NULL
);
909 if (!NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
910 /* failed to use cached creds */
911 use_cached_creds
= False
;
915 if (opt_password
== NULL
&& !use_cached_creds
) {
916 /* Request a password from the calling process. After
917 sending it, the calling process should retry asking for the
920 DEBUG(10, ("Requesting password\n"));
921 x_fprintf(x_stdout
, "PW\n");
925 if (strncmp(buf
, "YR", 2) == 0) {
926 if (state
->ntlmssp_state
)
927 ntlmssp_end(&state
->ntlmssp_state
);
928 state
->cli_state
= CLIENT_INITIAL
;
929 } else if (strncmp(buf
, "TT", 2) == 0) {
930 /* No special preprocessing required */
931 } else if (strncmp(buf
, "GF", 2) == 0) {
932 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
934 if(state
->cli_state
== CLIENT_FINISHED
) {
935 x_fprintf(x_stdout
, "GF 0x%08x\n", state
->neg_flags
);
938 x_fprintf(x_stdout
, "BH\n");
941 data_blob_free(&request
);
943 } else if (strncmp(buf
, "GK", 2) == 0 ) {
944 DEBUG(10, ("Requested session key\n"));
946 if(state
->cli_state
== CLIENT_FINISHED
) {
947 char *key64
= base64_encode_data_blob(state
->mem_ctx
,
949 x_fprintf(x_stdout
, "GK %s\n", key64
?key64
:"<NULL>");
953 x_fprintf(x_stdout
, "BH\n");
956 data_blob_free(&request
);
959 DEBUG(1, ("NTLMSSP query [%s] invalid", buf
));
960 x_fprintf(x_stdout
, "BH NTLMSSP query invalid\n");
964 if (!state
->ntlmssp_state
) {
965 nt_status
= ntlm_auth_start_ntlmssp_client(
966 &state
->ntlmssp_state
);
967 if (!NT_STATUS_IS_OK(nt_status
)) {
968 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
971 ntlmssp_want_feature_list(state
->ntlmssp_state
,
972 state
->want_feature_list
);
973 state
->initial_message
= data_blob_null
;
976 DEBUG(10, ("got NTLMSSP packet:\n"));
977 dump_data(10, request
.data
, request
.length
);
979 if (use_cached_creds
&& !opt_password
&&
980 (state
->cli_state
== CLIENT_RESPONSE
)) {
981 nt_status
= do_ccache_ntlm_auth(state
->initial_message
, request
,
984 nt_status
= ntlmssp_update(state
->ntlmssp_state
, request
,
988 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
989 char *reply_base64
= base64_encode_data_blob(state
->mem_ctx
,
991 if (state
->cli_state
== CLIENT_INITIAL
) {
992 x_fprintf(x_stdout
, "YR %s\n", reply_base64
);
993 state
->initial_message
= reply
;
994 state
->cli_state
= CLIENT_RESPONSE
;
996 x_fprintf(x_stdout
, "KK %s\n", reply_base64
);
997 data_blob_free(&reply
);
999 TALLOC_FREE(reply_base64
);
1000 DEBUG(10, ("NTLMSSP challenge\n"));
1001 } else if (NT_STATUS_IS_OK(nt_status
)) {
1002 char *reply_base64
= base64_encode_data_blob(talloc_tos(),
1004 x_fprintf(x_stdout
, "AF %s\n", reply_base64
);
1005 TALLOC_FREE(reply_base64
);
1007 if(state
->have_session_key
)
1008 data_blob_free(&state
->session_key
);
1010 state
->session_key
= data_blob(
1011 state
->ntlmssp_state
->session_key
.data
,
1012 state
->ntlmssp_state
->session_key
.length
);
1013 state
->neg_flags
= state
->ntlmssp_state
->neg_flags
;
1014 state
->have_session_key
= true;
1016 DEBUG(10, ("NTLMSSP OK!\n"));
1017 state
->cli_state
= CLIENT_FINISHED
;
1018 if (state
->ntlmssp_state
)
1019 ntlmssp_end(&state
->ntlmssp_state
);
1021 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(nt_status
));
1022 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status
)));
1023 state
->cli_state
= CLIENT_ERROR
;
1024 if (state
->ntlmssp_state
)
1025 ntlmssp_end(&state
->ntlmssp_state
);
1028 data_blob_free(&request
);
1031 static void manage_squid_basic_request(struct ntlm_auth_state
*state
,
1032 char *buf
, int length
)
1037 pass
=(char *)memchr(buf
,' ',length
);
1039 DEBUG(2, ("Password not found. Denying access\n"));
1040 x_fprintf(x_stdout
, "ERR\n");
1046 if (state
->helper_mode
== SQUID_2_5_BASIC
) {
1047 rfc1738_unescape(user
);
1048 rfc1738_unescape(pass
);
1051 if (check_plaintext_auth(user
, pass
, False
)) {
1052 x_fprintf(x_stdout
, "OK\n");
1054 x_fprintf(x_stdout
, "ERR\n");
1058 static void offer_gss_spnego_mechs(void) {
1064 TALLOC_CTX
*ctx
= talloc_tos();
1068 ZERO_STRUCT(spnego
);
1070 myname_lower
= talloc_strdup(ctx
, global_myname());
1071 if (!myname_lower
) {
1074 strlower_m(myname_lower
);
1076 principal
= talloc_asprintf(ctx
, "%s$@%s", myname_lower
, lp_realm());
1081 /* Server negTokenInit (mech offerings) */
1082 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1083 spnego
.negTokenInit
.mechTypes
= SMB_XMALLOC_ARRAY(const char *, 2);
1085 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_KERBEROS5_OLD
);
1086 spnego
.negTokenInit
.mechTypes
[1] = smb_xstrdup(OID_NTLMSSP
);
1087 spnego
.negTokenInit
.mechTypes
[2] = NULL
;
1089 spnego
.negTokenInit
.mechTypes
[0] = smb_xstrdup(OID_NTLMSSP
);
1090 spnego
.negTokenInit
.mechTypes
[1] = NULL
;
1094 spnego
.negTokenInit
.mechListMIC
= data_blob(principal
,
1097 len
= write_spnego_data(&token
, &spnego
);
1098 free_spnego_data(&spnego
);
1101 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1102 x_fprintf(x_stdout
, "BH Could not write SPNEGO data blob\n");
1106 reply_base64
= base64_encode_data_blob(talloc_tos(), token
);
1107 x_fprintf(x_stdout
, "TT %s *\n", reply_base64
);
1109 TALLOC_FREE(reply_base64
);
1110 data_blob_free(&token
);
1111 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1115 static void manage_gss_spnego_request(struct ntlm_auth_state
*state
,
1116 char *buf
, int length
)
1118 static NTLMSSP_STATE
*ntlmssp_state
= NULL
;
1119 SPNEGO_DATA request
, response
;
1123 TALLOC_CTX
*ctx
= talloc_tos();
1126 char *domain
= NULL
;
1128 const char *reply_code
;
1130 char *reply_argument
= NULL
;
1132 if (strlen(buf
) < 2) {
1133 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
1134 x_fprintf(x_stdout
, "BH SPENGO query invalid\n");
1138 if (strncmp(buf
, "YR", 2) == 0) {
1140 ntlmssp_end(&ntlmssp_state
);
1141 } else if (strncmp(buf
, "KK", 2) == 0) {
1144 DEBUG(1, ("SPENGO query [%s] invalid", buf
));
1145 x_fprintf(x_stdout
, "BH SPENGO query invalid\n");
1149 if ( (strlen(buf
) == 2)) {
1151 /* no client data, get the negTokenInit offering
1154 offer_gss_spnego_mechs();
1158 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1160 if (strlen(buf
) <= 3) {
1161 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf
));
1162 x_fprintf(x_stdout
, "BH GSS-SPNEGO query invalid\n");
1166 token
= base64_decode_data_blob(buf
+ 3);
1167 len
= read_spnego_data(token
, &request
);
1168 data_blob_free(&token
);
1171 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf
));
1172 x_fprintf(x_stdout
, "BH GSS-SPNEGO query invalid\n");
1176 if (request
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1178 /* Second request from Client. This is where the
1179 client offers its mechanism to use. */
1181 if ( (request
.negTokenInit
.mechTypes
== NULL
) ||
1182 (request
.negTokenInit
.mechTypes
[0] == NULL
) ) {
1183 DEBUG(1, ("Client did not offer any mechanism"));
1184 x_fprintf(x_stdout
, "BH Client did not offer any "
1189 status
= NT_STATUS_UNSUCCESSFUL
;
1190 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_NTLMSSP
) == 0) {
1192 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
1193 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1194 x_fprintf(x_stdout
, "BH Client did not provide "
1199 if ( ntlmssp_state
!= NULL
) {
1200 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1201 "already got one\n"));
1202 x_fprintf(x_stdout
, "BH Client wants a new "
1203 "NTLMSSP challenge, but "
1204 "already got one\n");
1205 ntlmssp_end(&ntlmssp_state
);
1209 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_server(&ntlmssp_state
))) {
1210 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1214 DEBUG(10, ("got NTLMSSP packet:\n"));
1215 dump_data(10, request
.negTokenInit
.mechToken
.data
,
1216 request
.negTokenInit
.mechToken
.length
);
1218 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1219 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
1220 response
.negTokenTarg
.mechListMIC
= data_blob_null
;
1222 status
= ntlmssp_update(ntlmssp_state
,
1223 request
.negTokenInit
.mechToken
,
1224 &response
.negTokenTarg
.responseToken
);
1228 if (strcmp(request
.negTokenInit
.mechTypes
[0], OID_KERBEROS5_OLD
) == 0) {
1230 TALLOC_CTX
*mem_ctx
= talloc_init("manage_gss_spnego_request");
1233 DATA_BLOB session_key
;
1234 struct PAC_DATA
*pac_data
= NULL
;
1236 if ( request
.negTokenInit
.mechToken
.data
== NULL
) {
1237 DEBUG(1, ("Client did not provide Kerberos data\n"));
1238 x_fprintf(x_stdout
, "BH Client did not provide "
1243 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1244 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_KERBEROS5_OLD
);
1245 response
.negTokenTarg
.mechListMIC
= data_blob_null
;
1246 response
.negTokenTarg
.responseToken
= data_blob_null
;
1248 status
= ads_verify_ticket(mem_ctx
, lp_realm(), 0,
1249 &request
.negTokenInit
.mechToken
,
1250 &principal
, &pac_data
, &ap_rep
,
1251 &session_key
, True
);
1253 talloc_destroy(mem_ctx
);
1255 /* Now in "principal" we have the name we are
1256 authenticated as. */
1258 if (NT_STATUS_IS_OK(status
)) {
1260 domain
= strchr_m(principal
, '@');
1262 if (domain
== NULL
) {
1263 DEBUG(1, ("Did not get a valid principal "
1264 "from ads_verify_ticket\n"));
1265 x_fprintf(x_stdout
, "BH Did not get a "
1266 "valid principal from "
1267 "ads_verify_ticket\n");
1272 domain
= SMB_STRDUP(domain
);
1273 user
= SMB_STRDUP(principal
);
1275 data_blob_free(&ap_rep
);
1277 SAFE_FREE(principal
);
1284 if ( (request
.negTokenTarg
.supportedMech
== NULL
) ||
1285 ( strcmp(request
.negTokenTarg
.supportedMech
, OID_NTLMSSP
) != 0 ) ) {
1286 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1287 is the only one we support that sends this stuff */
1288 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1289 request
.negTokenTarg
.supportedMech
));
1290 x_fprintf(x_stdout
, "BH Got a negTokenTarg for "
1291 "something non-NTLMSSP\n");
1295 if (request
.negTokenTarg
.responseToken
.data
== NULL
) {
1296 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1297 x_fprintf(x_stdout
, "BH Got a negTokenTarg without a "
1298 "responseToken!\n");
1302 status
= ntlmssp_update(ntlmssp_state
,
1303 request
.negTokenTarg
.responseToken
,
1304 &response
.negTokenTarg
.responseToken
);
1306 response
.type
= SPNEGO_NEG_TOKEN_TARG
;
1307 response
.negTokenTarg
.supportedMech
= SMB_STRDUP(OID_NTLMSSP
);
1308 response
.negTokenTarg
.mechListMIC
= data_blob_null
;
1310 if (NT_STATUS_IS_OK(status
)) {
1311 user
= SMB_STRDUP(ntlmssp_state
->user
);
1312 domain
= SMB_STRDUP(ntlmssp_state
->domain
);
1313 ntlmssp_end(&ntlmssp_state
);
1317 free_spnego_data(&request
);
1319 if (NT_STATUS_IS_OK(status
)) {
1320 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_COMPLETED
;
1322 reply_argument
= talloc_asprintf(ctx
, "%s\\%s", domain
, user
);
1323 } else if (NT_STATUS_EQUAL(status
,
1324 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1325 response
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1327 reply_argument
= talloc_strdup(ctx
, "*");
1329 response
.negTokenTarg
.negResult
= SPNEGO_REJECT
;
1331 reply_argument
= talloc_strdup(ctx
, nt_errstr(status
));
1334 if (!reply_argument
) {
1335 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1336 x_fprintf(x_stdout
, "BH Could not write SPNEGO data blob\n");
1343 len
= write_spnego_data(&token
, &response
);
1344 free_spnego_data(&response
);
1347 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1348 x_fprintf(x_stdout
, "BH Could not write SPNEGO data blob\n");
1352 reply_base64
= base64_encode_data_blob(talloc_tos(), token
);
1354 x_fprintf(x_stdout
, "%s %s %s\n",
1355 reply_code
, reply_base64
, reply_argument
);
1357 TALLOC_FREE(reply_base64
);
1358 data_blob_free(&token
);
1363 static NTLMSSP_STATE
*client_ntlmssp_state
= NULL
;
1365 static bool manage_client_ntlmssp_init(SPNEGO_DATA spnego
)
1368 DATA_BLOB null_blob
= data_blob_null
;
1369 DATA_BLOB to_server
;
1370 char *to_server_base64
;
1371 const char *my_mechs
[] = {OID_NTLMSSP
, NULL
};
1373 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1375 if (client_ntlmssp_state
!= NULL
) {
1376 DEBUG(1, ("Request for initial SPNEGO request where "
1377 "we already have a state\n"));
1381 if (!client_ntlmssp_state
) {
1382 if (!NT_STATUS_IS_OK(status
= ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state
))) {
1383 x_fprintf(x_stdout
, "BH %s\n", nt_errstr(status
));
1389 if (opt_password
== NULL
) {
1391 /* Request a password from the calling process. After
1392 sending it, the calling process should retry with
1393 the negTokenInit. */
1395 DEBUG(10, ("Requesting password\n"));
1396 x_fprintf(x_stdout
, "PW\n");
1400 spnego
.type
= SPNEGO_NEG_TOKEN_INIT
;
1401 spnego
.negTokenInit
.mechTypes
= my_mechs
;
1402 spnego
.negTokenInit
.reqFlags
= 0;
1403 spnego
.negTokenInit
.mechListMIC
= null_blob
;
1405 status
= ntlmssp_update(client_ntlmssp_state
, null_blob
,
1406 &spnego
.negTokenInit
.mechToken
);
1408 if ( !(NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
) ||
1409 NT_STATUS_IS_OK(status
)) ) {
1410 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1411 nt_errstr(status
)));
1412 ntlmssp_end(&client_ntlmssp_state
);
1416 write_spnego_data(&to_server
, &spnego
);
1417 data_blob_free(&spnego
.negTokenInit
.mechToken
);
1419 to_server_base64
= base64_encode_data_blob(talloc_tos(), to_server
);
1420 data_blob_free(&to_server
);
1421 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1422 TALLOC_FREE(to_server_base64
);
1426 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego
)
1429 DATA_BLOB null_blob
= data_blob_null
;
1431 DATA_BLOB to_server
;
1432 char *to_server_base64
;
1434 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1436 if (client_ntlmssp_state
== NULL
) {
1437 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1438 x_fprintf(x_stdout
, "BH Got NTLMSSP tArg without a client state\n");
1442 if (spnego
.negTokenTarg
.negResult
== SPNEGO_REJECT
) {
1443 x_fprintf(x_stdout
, "NA\n");
1444 ntlmssp_end(&client_ntlmssp_state
);
1448 if (spnego
.negTokenTarg
.negResult
== SPNEGO_ACCEPT_COMPLETED
) {
1449 x_fprintf(x_stdout
, "AF\n");
1450 ntlmssp_end(&client_ntlmssp_state
);
1454 status
= ntlmssp_update(client_ntlmssp_state
,
1455 spnego
.negTokenTarg
.responseToken
,
1458 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1459 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1460 "ntlmssp_client_update, got: %s\n",
1461 nt_errstr(status
)));
1462 x_fprintf(x_stdout
, "BH Expected MORE_PROCESSING_REQUIRED from "
1463 "ntlmssp_client_update\n");
1464 data_blob_free(&request
);
1465 ntlmssp_end(&client_ntlmssp_state
);
1469 spnego
.type
= SPNEGO_NEG_TOKEN_TARG
;
1470 spnego
.negTokenTarg
.negResult
= SPNEGO_ACCEPT_INCOMPLETE
;
1471 spnego
.negTokenTarg
.supportedMech
= (char *)OID_NTLMSSP
;
1472 spnego
.negTokenTarg
.responseToken
= request
;
1473 spnego
.negTokenTarg
.mechListMIC
= null_blob
;
1475 write_spnego_data(&to_server
, &spnego
);
1476 data_blob_free(&request
);
1478 to_server_base64
= base64_encode_data_blob(talloc_tos(), to_server
);
1479 data_blob_free(&to_server
);
1480 x_fprintf(x_stdout
, "KK %s\n", to_server_base64
);
1481 TALLOC_FREE(to_server_base64
);
1487 static bool manage_client_krb5_init(SPNEGO_DATA spnego
)
1490 DATA_BLOB tkt
, to_server
;
1491 DATA_BLOB session_key_krb5
= data_blob_null
;
1496 const char *my_mechs
[] = {OID_KERBEROS5_OLD
, NULL
};
1499 if ( (spnego
.negTokenInit
.mechListMIC
.data
== NULL
) ||
1500 (spnego
.negTokenInit
.mechListMIC
.length
== 0) ) {
1501 DEBUG(1, ("Did not get a principal for krb5\n"));
1505 principal
= (char *)SMB_MALLOC(
1506 spnego
.negTokenInit
.mechListMIC
.length
+1);
1508 if (principal
== NULL
) {
1509 DEBUG(1, ("Could not malloc principal\n"));
1513 memcpy(principal
, spnego
.negTokenInit
.mechListMIC
.data
,
1514 spnego
.negTokenInit
.mechListMIC
.length
);
1515 principal
[spnego
.negTokenInit
.mechListMIC
.length
] = '\0';
1517 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0, NULL
, NULL
);
1522 /* Let's try to first get the TGT, for that we need a
1525 if (opt_password
== NULL
) {
1526 DEBUG(10, ("Requesting password\n"));
1527 x_fprintf(x_stdout
, "PW\n");
1531 user
= talloc_asprintf(talloc_tos(), "%s@%s", opt_username
, opt_domain
);
1536 if ((retval
= kerberos_kinit_password(user
, opt_password
, 0, NULL
))) {
1537 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval
)));
1541 retval
= cli_krb5_get_ticket(principal
, 0, &tkt
, &session_key_krb5
, 0, NULL
, NULL
);
1544 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval
)));
1549 data_blob_free(&session_key_krb5
);
1553 reply
.type
= SPNEGO_NEG_TOKEN_INIT
;
1554 reply
.negTokenInit
.mechTypes
= my_mechs
;
1555 reply
.negTokenInit
.reqFlags
= 0;
1556 reply
.negTokenInit
.mechToken
= tkt
;
1557 reply
.negTokenInit
.mechListMIC
= data_blob_null
;
1559 len
= write_spnego_data(&to_server
, &reply
);
1560 data_blob_free(&tkt
);
1563 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1567 reply_base64
= base64_encode_data_blob(talloc_tos(), to_server
);
1568 x_fprintf(x_stdout
, "KK %s *\n", reply_base64
);
1570 TALLOC_FREE(reply_base64
);
1571 data_blob_free(&to_server
);
1572 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1576 static void manage_client_krb5_targ(SPNEGO_DATA spnego
)
1578 switch (spnego
.negTokenTarg
.negResult
) {
1579 case SPNEGO_ACCEPT_INCOMPLETE
:
1580 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1581 x_fprintf(x_stdout
, "BH Got a Kerberos negTokenTarg with "
1582 "ACCEPT_INCOMPLETE\n");
1584 case SPNEGO_ACCEPT_COMPLETED
:
1585 DEBUG(10, ("Accept completed\n"));
1586 x_fprintf(x_stdout
, "AF\n");
1589 DEBUG(10, ("Rejected\n"));
1590 x_fprintf(x_stdout
, "NA\n");
1593 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1594 x_fprintf(x_stdout
, "AF\n");
1600 static void manage_gss_spnego_client_request(struct ntlm_auth_state
*state
,
1601 char *buf
, int length
)
1607 if (!opt_username
|| !*opt_username
) {
1608 x_fprintf(x_stderr
, "username must be specified!\n\n");
1612 if (strlen(buf
) <= 3) {
1613 DEBUG(1, ("SPNEGO query [%s] too short\n", buf
));
1614 x_fprintf(x_stdout
, "BH SPNEGO query too short\n");
1618 request
= base64_decode_data_blob(buf
+3);
1620 if (strncmp(buf
, "PW ", 3) == 0) {
1622 /* We asked for a password and obviously got it :-) */
1624 opt_password
= SMB_STRNDUP((const char *)request
.data
, request
.length
);
1626 if (opt_password
== NULL
) {
1627 DEBUG(1, ("Out of memory\n"));
1628 x_fprintf(x_stdout
, "BH Out of memory\n");
1629 data_blob_free(&request
);
1633 x_fprintf(x_stdout
, "OK\n");
1634 data_blob_free(&request
);
1638 if ( (strncmp(buf
, "TT ", 3) != 0) &&
1639 (strncmp(buf
, "AF ", 3) != 0) &&
1640 (strncmp(buf
, "NA ", 3) != 0) ) {
1641 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf
));
1642 x_fprintf(x_stdout
, "BH SPNEGO request invalid\n");
1643 data_blob_free(&request
);
1647 /* So we got a server challenge to generate a SPNEGO
1648 client-to-server request... */
1650 len
= read_spnego_data(request
, &spnego
);
1651 data_blob_free(&request
);
1654 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf
));
1655 x_fprintf(x_stdout
, "BH Could not read SPNEGO data\n");
1659 if (spnego
.type
== SPNEGO_NEG_TOKEN_INIT
) {
1661 /* The server offers a list of mechanisms */
1663 const char **mechType
= (const char **)spnego
.negTokenInit
.mechTypes
;
1665 while (*mechType
!= NULL
) {
1668 if ( (strcmp(*mechType
, OID_KERBEROS5_OLD
) == 0) ||
1669 (strcmp(*mechType
, OID_KERBEROS5
) == 0) ) {
1670 if (manage_client_krb5_init(spnego
))
1675 if (strcmp(*mechType
, OID_NTLMSSP
) == 0) {
1676 if (manage_client_ntlmssp_init(spnego
))
1683 DEBUG(1, ("Server offered no compatible mechanism\n"));
1684 x_fprintf(x_stdout
, "BH Server offered no compatible mechanism\n");
1688 if (spnego
.type
== SPNEGO_NEG_TOKEN_TARG
) {
1690 if (spnego
.negTokenTarg
.supportedMech
== NULL
) {
1691 /* On accept/reject Windows does not send the
1692 mechanism anymore. Handle that here and
1693 shut down the mechanisms. */
1695 switch (spnego
.negTokenTarg
.negResult
) {
1696 case SPNEGO_ACCEPT_COMPLETED
:
1697 x_fprintf(x_stdout
, "AF\n");
1700 x_fprintf(x_stdout
, "NA\n");
1703 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1704 "unknown negResult: %d\n",
1705 spnego
.negTokenTarg
.negResult
));
1706 x_fprintf(x_stdout
, "BH Got a negTokenTarg with"
1707 " no mech and an unknown "
1711 ntlmssp_end(&client_ntlmssp_state
);
1715 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1716 OID_NTLMSSP
) == 0) {
1717 manage_client_ntlmssp_targ(spnego
);
1722 if (strcmp(spnego
.negTokenTarg
.supportedMech
,
1723 OID_KERBEROS5_OLD
) == 0) {
1724 manage_client_krb5_targ(spnego
);
1731 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf
));
1732 x_fprintf(x_stdout
, "BH Got an SPNEGO token I could not handle\n");
1736 free_spnego_data(&spnego
);
1740 static void manage_ntlm_server_1_request(struct ntlm_auth_state
*state
,
1741 char *buf
, int length
)
1743 char *request
, *parameter
;
1744 static DATA_BLOB challenge
;
1745 static DATA_BLOB lm_response
;
1746 static DATA_BLOB nt_response
;
1747 static char *full_username
;
1748 static char *username
;
1749 static char *domain
;
1750 static char *plaintext_password
;
1751 static bool ntlm_server_1_user_session_key
;
1752 static bool ntlm_server_1_lm_session_key
;
1754 if (strequal(buf
, ".")) {
1755 if (!full_username
&& !username
) {
1756 x_fprintf(x_stdout
, "Error: No username supplied!\n");
1757 } else if (plaintext_password
) {
1758 /* handle this request as plaintext */
1759 if (!full_username
) {
1760 if (asprintf(&full_username
, "%s%c%s", domain
, winbind_separator(), username
) == -1) {
1761 x_fprintf(x_stdout
, "Error: Out of memory in asprintf!\n.\n");
1765 if (check_plaintext_auth(full_username
, plaintext_password
, False
)) {
1766 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1768 x_fprintf(x_stdout
, "Authenticated: No\n");
1770 } else if (!lm_response
.data
&& !nt_response
.data
) {
1771 x_fprintf(x_stdout
, "Error: No password supplied!\n");
1772 } else if (!challenge
.data
) {
1773 x_fprintf(x_stdout
, "Error: No lanman-challenge supplied!\n");
1775 char *error_string
= NULL
;
1777 uchar user_session_key
[16];
1780 if (full_username
&& !username
) {
1782 fstring fstr_domain
;
1784 if (!parse_ntlm_auth_domain_user(full_username
, fstr_user
, fstr_domain
)) {
1785 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1786 x_fprintf(x_stdout
, "Error: Could not parse into domain and username\n");
1788 SAFE_FREE(username
);
1790 username
= smb_xstrdup(fstr_user
);
1791 domain
= smb_xstrdup(fstr_domain
);
1795 domain
= smb_xstrdup(get_winbind_domain());
1798 if (ntlm_server_1_lm_session_key
)
1799 flags
|= WBFLAG_PAM_LMKEY
;
1801 if (ntlm_server_1_user_session_key
)
1802 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
1804 if (!NT_STATUS_IS_OK(
1805 contact_winbind_auth_crap(username
,
1817 x_fprintf(x_stdout
, "Authenticated: No\n");
1818 x_fprintf(x_stdout
, "Authentication-Error: %s\n.\n", error_string
);
1820 static char zeros
[16];
1822 char *hex_user_session_key
;
1824 x_fprintf(x_stdout
, "Authenticated: Yes\n");
1826 if (ntlm_server_1_lm_session_key
1827 && (memcmp(zeros
, lm_key
,
1828 sizeof(lm_key
)) != 0)) {
1829 hex_lm_key
= hex_encode(NULL
,
1830 (const unsigned char *)lm_key
,
1832 x_fprintf(x_stdout
, "LANMAN-Session-Key: %s\n", hex_lm_key
);
1833 TALLOC_FREE(hex_lm_key
);
1836 if (ntlm_server_1_user_session_key
1837 && (memcmp(zeros
, user_session_key
,
1838 sizeof(user_session_key
)) != 0)) {
1839 hex_user_session_key
= hex_encode(NULL
,
1840 (const unsigned char *)user_session_key
,
1841 sizeof(user_session_key
));
1842 x_fprintf(x_stdout
, "User-Session-Key: %s\n", hex_user_session_key
);
1843 TALLOC_FREE(hex_user_session_key
);
1846 SAFE_FREE(error_string
);
1848 /* clear out the state */
1849 challenge
= data_blob_null
;
1850 nt_response
= data_blob_null
;
1851 lm_response
= data_blob_null
;
1852 SAFE_FREE(full_username
);
1853 SAFE_FREE(username
);
1855 SAFE_FREE(plaintext_password
);
1856 ntlm_server_1_user_session_key
= False
;
1857 ntlm_server_1_lm_session_key
= False
;
1858 x_fprintf(x_stdout
, ".\n");
1865 /* Indicates a base64 encoded structure */
1866 parameter
= strstr_m(request
, ":: ");
1868 parameter
= strstr_m(request
, ": ");
1871 DEBUG(0, ("Parameter not found!\n"));
1872 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
1889 base64_decode_inplace(parameter
);
1892 if (strequal(request
, "LANMAN-Challenge")) {
1893 challenge
= strhex_to_data_blob(NULL
, parameter
);
1894 if (challenge
.length
!= 8) {
1895 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1897 (int)challenge
.length
);
1898 challenge
= data_blob_null
;
1900 } else if (strequal(request
, "NT-Response")) {
1901 nt_response
= strhex_to_data_blob(NULL
, parameter
);
1902 if (nt_response
.length
< 24) {
1903 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1905 (int)nt_response
.length
);
1906 nt_response
= data_blob_null
;
1908 } else if (strequal(request
, "LANMAN-Response")) {
1909 lm_response
= strhex_to_data_blob(NULL
, parameter
);
1910 if (lm_response
.length
!= 24) {
1911 x_fprintf(x_stdout
, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1913 (int)lm_response
.length
);
1914 lm_response
= data_blob_null
;
1916 } else if (strequal(request
, "Password")) {
1917 plaintext_password
= smb_xstrdup(parameter
);
1918 } else if (strequal(request
, "NT-Domain")) {
1919 domain
= smb_xstrdup(parameter
);
1920 } else if (strequal(request
, "Username")) {
1921 username
= smb_xstrdup(parameter
);
1922 } else if (strequal(request
, "Full-Username")) {
1923 full_username
= smb_xstrdup(parameter
);
1924 } else if (strequal(request
, "Request-User-Session-Key")) {
1925 ntlm_server_1_user_session_key
= strequal(parameter
, "Yes");
1926 } else if (strequal(request
, "Request-LanMan-Session-Key")) {
1927 ntlm_server_1_lm_session_key
= strequal(parameter
, "Yes");
1929 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
1933 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state
*state
,
1934 char *buf
, int length
)
1936 char *request
, *parameter
;
1937 static DATA_BLOB new_nt_pswd
;
1938 static DATA_BLOB old_nt_hash_enc
;
1939 static DATA_BLOB new_lm_pswd
;
1940 static DATA_BLOB old_lm_hash_enc
;
1941 static char *full_username
= NULL
;
1942 static char *username
= NULL
;
1943 static char *domain
= NULL
;
1944 static char *newpswd
= NULL
;
1945 static char *oldpswd
= NULL
;
1947 if (strequal(buf
, ".")) {
1948 if(newpswd
&& oldpswd
) {
1949 uchar old_nt_hash
[16];
1950 uchar old_lm_hash
[16];
1951 uchar new_nt_hash
[16];
1952 uchar new_lm_hash
[16];
1954 new_nt_pswd
= data_blob(NULL
, 516);
1955 old_nt_hash_enc
= data_blob(NULL
, 16);
1957 /* Calculate the MD4 hash (NT compatible) of the
1959 E_md4hash(oldpswd
, old_nt_hash
);
1960 E_md4hash(newpswd
, new_nt_hash
);
1962 /* E_deshash returns false for 'long'
1963 passwords (> 14 DOS chars).
1965 Therefore, don't send a buffer
1966 encrypted with the truncated hash
1967 (it could allow an even easier
1968 attack on the password)
1970 Likewise, obey the admin's restriction
1973 if (lp_client_lanman_auth() &&
1974 E_deshash(newpswd
, new_lm_hash
) &&
1975 E_deshash(oldpswd
, old_lm_hash
)) {
1976 new_lm_pswd
= data_blob(NULL
, 516);
1977 old_lm_hash_enc
= data_blob(NULL
, 16);
1978 encode_pw_buffer(new_lm_pswd
.data
, newpswd
,
1981 SamOEMhash(new_lm_pswd
.data
, old_nt_hash
, 516);
1982 E_old_pw_hash(new_nt_hash
, old_lm_hash
,
1983 old_lm_hash_enc
.data
);
1985 new_lm_pswd
.data
= NULL
;
1986 new_lm_pswd
.length
= 0;
1987 old_lm_hash_enc
.data
= NULL
;
1988 old_lm_hash_enc
.length
= 0;
1991 encode_pw_buffer(new_nt_pswd
.data
, newpswd
,
1994 SamOEMhash(new_nt_pswd
.data
, old_nt_hash
, 516);
1995 E_old_pw_hash(new_nt_hash
, old_nt_hash
,
1996 old_nt_hash_enc
.data
);
1999 if (!full_username
&& !username
) {
2000 x_fprintf(x_stdout
, "Error: No username supplied!\n");
2001 } else if ((!new_nt_pswd
.data
|| !old_nt_hash_enc
.data
) &&
2002 (!new_lm_pswd
.data
|| old_lm_hash_enc
.data
) ) {
2003 x_fprintf(x_stdout
, "Error: No NT or LM password "
2004 "blobs supplied!\n");
2006 char *error_string
= NULL
;
2008 if (full_username
&& !username
) {
2010 fstring fstr_domain
;
2012 if (!parse_ntlm_auth_domain_user(full_username
,
2015 /* username might be 'tainted', don't
2016 * print into our new-line
2017 * deleimianted stream */
2018 x_fprintf(x_stdout
, "Error: Could not "
2019 "parse into domain and "
2021 SAFE_FREE(username
);
2022 username
= smb_xstrdup(full_username
);
2024 SAFE_FREE(username
);
2026 username
= smb_xstrdup(fstr_user
);
2027 domain
= smb_xstrdup(fstr_domain
);
2032 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2039 x_fprintf(x_stdout
, "Password-Change: No\n");
2040 x_fprintf(x_stdout
, "Password-Change-Error: "
2041 "%s\n.\n", error_string
);
2043 x_fprintf(x_stdout
, "Password-Change: Yes\n");
2046 SAFE_FREE(error_string
);
2048 /* clear out the state */
2049 new_nt_pswd
= data_blob_null
;
2050 old_nt_hash_enc
= data_blob_null
;
2051 new_lm_pswd
= data_blob_null
;
2052 old_nt_hash_enc
= data_blob_null
;
2053 SAFE_FREE(full_username
);
2054 SAFE_FREE(username
);
2058 x_fprintf(x_stdout
, ".\n");
2065 /* Indicates a base64 encoded structure */
2066 parameter
= strstr_m(request
, ":: ");
2068 parameter
= strstr_m(request
, ": ");
2071 DEBUG(0, ("Parameter not found!\n"));
2072 x_fprintf(x_stdout
, "Error: Parameter not found!\n.\n");
2088 base64_decode_inplace(parameter
);
2091 if (strequal(request
, "new-nt-password-blob")) {
2092 new_nt_pswd
= strhex_to_data_blob(NULL
, parameter
);
2093 if (new_nt_pswd
.length
!= 516) {
2094 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2095 "(got %d bytes, expected 516)\n.\n",
2097 (int)new_nt_pswd
.length
);
2098 new_nt_pswd
= data_blob_null
;
2100 } else if (strequal(request
, "old-nt-hash-blob")) {
2101 old_nt_hash_enc
= strhex_to_data_blob(NULL
, parameter
);
2102 if (old_nt_hash_enc
.length
!= 16) {
2103 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2104 "(got %d bytes, expected 16)\n.\n",
2106 (int)old_nt_hash_enc
.length
);
2107 old_nt_hash_enc
= data_blob_null
;
2109 } else if (strequal(request
, "new-lm-password-blob")) {
2110 new_lm_pswd
= strhex_to_data_blob(NULL
, parameter
);
2111 if (new_lm_pswd
.length
!= 516) {
2112 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2113 "(got %d bytes, expected 516)\n.\n",
2115 (int)new_lm_pswd
.length
);
2116 new_lm_pswd
= data_blob_null
;
2119 else if (strequal(request
, "old-lm-hash-blob")) {
2120 old_lm_hash_enc
= strhex_to_data_blob(NULL
, parameter
);
2121 if (old_lm_hash_enc
.length
!= 16)
2123 x_fprintf(x_stdout
, "Error: hex decode of %s failed! "
2124 "(got %d bytes, expected 16)\n.\n",
2126 (int)old_lm_hash_enc
.length
);
2127 old_lm_hash_enc
= data_blob_null
;
2129 } else if (strequal(request
, "nt-domain")) {
2130 domain
= smb_xstrdup(parameter
);
2131 } else if(strequal(request
, "username")) {
2132 username
= smb_xstrdup(parameter
);
2133 } else if(strequal(request
, "full-username")) {
2134 username
= smb_xstrdup(parameter
);
2135 } else if(strequal(request
, "new-password")) {
2136 newpswd
= smb_xstrdup(parameter
);
2137 } else if (strequal(request
, "old-password")) {
2138 oldpswd
= smb_xstrdup(parameter
);
2140 x_fprintf(x_stdout
, "Error: Unknown request %s\n.\n", request
);
2144 static void manage_squid_request(struct ntlm_auth_state
*state
,
2145 stdio_helper_function fn
)
2148 char tmp
[INITIAL_BUFFER_SIZE
+1];
2149 int length
, buf_size
= 0;
2152 buf
= talloc_strdup(state
->mem_ctx
, "");
2154 DEBUG(0, ("Failed to allocate input buffer.\n"));
2155 x_fprintf(x_stderr
, "ERR\n");
2161 /* this is not a typo - x_fgets doesn't work too well under
2163 if (fgets(tmp
, sizeof(tmp
)-1, stdin
) == NULL
) {
2164 if (ferror(stdin
)) {
2165 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2166 "(%s)\n", ferror(stdin
),
2167 strerror(ferror(stdin
))));
2174 buf
= talloc_strdup_append_buffer(buf
, tmp
);
2175 buf_size
+= INITIAL_BUFFER_SIZE
;
2177 if (buf_size
> MAX_BUFFER_SIZE
) {
2178 DEBUG(2, ("Oversized message\n"));
2179 x_fprintf(x_stderr
, "ERR\n");
2184 c
= strchr(buf
, '\n');
2185 } while (c
== NULL
);
2190 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf
,length
));
2192 if (buf
[0] == '\0') {
2193 DEBUG(2, ("Invalid Request\n"));
2194 x_fprintf(x_stderr
, "ERR\n");
2199 fn(state
, buf
, length
);
2204 static void squid_stream(enum stdio_helper_mode stdio_mode
, stdio_helper_function fn
) {
2205 TALLOC_CTX
*mem_ctx
;
2206 struct ntlm_auth_state
*state
;
2208 /* initialize FDescs */
2209 x_setbuf(x_stdout
, NULL
);
2210 x_setbuf(x_stderr
, NULL
);
2212 mem_ctx
= talloc_init("ntlm_auth");
2214 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2215 x_fprintf(x_stderr
, "ERR\n");
2219 state
= talloc_zero(mem_ctx
, struct ntlm_auth_state
);
2221 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2222 x_fprintf(x_stderr
, "ERR\n");
2226 state
->mem_ctx
= mem_ctx
;
2227 state
->helper_mode
= stdio_mode
;
2230 manage_squid_request(state
, fn
);
2235 /* Authenticate a user with a challenge/response */
2237 static bool check_auth_crap(void)
2242 char user_session_key
[16];
2244 char *hex_user_session_key
;
2246 static uint8 zeros
[16];
2248 x_setbuf(x_stdout
, NULL
);
2251 flags
|= WBFLAG_PAM_LMKEY
;
2253 if (request_user_session_key
)
2254 flags
|= WBFLAG_PAM_USER_SESSION_KEY
;
2256 flags
|= WBFLAG_PAM_NT_STATUS_SQUASH
;
2258 nt_status
= contact_winbind_auth_crap(opt_username
, opt_domain
,
2264 (unsigned char *)lm_key
,
2265 (unsigned char *)user_session_key
,
2266 &error_string
, NULL
);
2268 if (!NT_STATUS_IS_OK(nt_status
)) {
2269 x_fprintf(x_stdout
, "%s (0x%x)\n",
2271 NT_STATUS_V(nt_status
));
2272 SAFE_FREE(error_string
);
2277 && (memcmp(zeros
, lm_key
,
2278 sizeof(lm_key
)) != 0)) {
2279 hex_lm_key
= hex_encode(NULL
, (const unsigned char *)lm_key
,
2281 x_fprintf(x_stdout
, "LM_KEY: %s\n", hex_lm_key
);
2282 TALLOC_FREE(hex_lm_key
);
2284 if (request_user_session_key
2285 && (memcmp(zeros
, user_session_key
,
2286 sizeof(user_session_key
)) != 0)) {
2287 hex_user_session_key
= hex_encode(NULL
, (const unsigned char *)user_session_key
,
2288 sizeof(user_session_key
));
2289 x_fprintf(x_stdout
, "NT_KEY: %s\n", hex_user_session_key
);
2290 TALLOC_FREE(hex_user_session_key
);
2299 OPT_USERNAME
= 1000,
2308 OPT_USER_SESSION_KEY
,
2310 OPT_REQUIRE_MEMBERSHIP
,
2311 OPT_USE_CACHED_CREDS
2314 int main(int argc
, const char **argv
)
2316 TALLOC_CTX
*frame
= talloc_stackframe();
2318 static const char *helper_protocol
;
2319 static int diagnostics
;
2321 static const char *hex_challenge
;
2322 static const char *hex_lm_response
;
2323 static const char *hex_nt_response
;
2327 /* NOTE: DO NOT change this interface without considering the implications!
2328 This is an external interface, which other programs will use to interact
2332 /* We do not use single-letter command abbreviations, because they harm future
2333 interface stability. */
2335 struct poptOption long_options
[] = {
2337 { "helper-protocol", 0, POPT_ARG_STRING
, &helper_protocol
, OPT_DOMAIN
, "operate as a stdio-based helper", "helper protocol to use"},
2338 { "username", 0, POPT_ARG_STRING
, &opt_username
, OPT_USERNAME
, "username"},
2339 { "domain", 0, POPT_ARG_STRING
, &opt_domain
, OPT_DOMAIN
, "domain name"},
2340 { "workstation", 0, POPT_ARG_STRING
, &opt_workstation
, OPT_WORKSTATION
, "workstation"},
2341 { "challenge", 0, POPT_ARG_STRING
, &hex_challenge
, OPT_CHALLENGE
, "challenge (HEX encoded)"},
2342 { "lm-response", 0, POPT_ARG_STRING
, &hex_lm_response
, OPT_LM
, "LM Response to the challenge (HEX encoded)"},
2343 { "nt-response", 0, POPT_ARG_STRING
, &hex_nt_response
, OPT_NT
, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2344 { "password", 0, POPT_ARG_STRING
, &opt_password
, OPT_PASSWORD
, "User's plaintext password"},
2345 { "request-lm-key", 0, POPT_ARG_NONE
, &request_lm_key
, OPT_LM_KEY
, "Retrieve LM session key"},
2346 { "request-nt-key", 0, POPT_ARG_NONE
, &request_user_session_key
, OPT_USER_SESSION_KEY
, "Retrieve User (NT) session key"},
2347 { "use-cached-creds", 0, POPT_ARG_NONE
, &use_cached_creds
, OPT_USE_CACHED_CREDS
, "Use cached credentials if no password is given"},
2348 { "diagnostics", 0, POPT_ARG_NONE
, &diagnostics
, OPT_DIAGNOSTICS
, "Perform diagnostics on the authentictaion chain"},
2349 { "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" },
2350 POPT_COMMON_CONFIGFILE
2355 /* Samba client initialisation */
2362 pc
= poptGetContext("ntlm_auth", argc
, argv
, long_options
, 0);
2364 /* Parse command line options */
2367 poptPrintHelp(pc
, stderr
, 0);
2371 while((opt
= poptGetNextOpt(pc
)) != -1) {
2372 /* Get generic config options like --configfile */
2375 poptFreeContext(pc
);
2377 if (!lp_load(get_dyn_CONFIGFILE(), True
, False
, False
, True
)) {
2378 d_fprintf(stderr
, "ntlm_auth: error opening config file %s. Error was %s\n",
2379 get_dyn_CONFIGFILE(), strerror(errno
));
2383 pc
= poptGetContext(NULL
, argc
, (const char **)argv
, long_options
,
2384 POPT_CONTEXT_KEEP_FIRST
);
2386 while((opt
= poptGetNextOpt(pc
)) != -1) {
2389 opt_challenge
= strhex_to_data_blob(NULL
, hex_challenge
);
2390 if (opt_challenge
.length
!= 8) {
2391 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2393 (int)opt_challenge
.length
);
2398 opt_lm_response
= strhex_to_data_blob(NULL
, hex_lm_response
);
2399 if (opt_lm_response
.length
!= 24) {
2400 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2402 (int)opt_lm_response
.length
);
2408 opt_nt_response
= strhex_to_data_blob(NULL
, hex_nt_response
);
2409 if (opt_nt_response
.length
< 24) {
2410 x_fprintf(x_stderr
, "hex decode of %s failed! (only got %d bytes)\n",
2412 (int)opt_nt_response
.length
);
2417 case OPT_REQUIRE_MEMBERSHIP
:
2418 if (StrnCaseCmp("S-", require_membership_of
, 2) == 0) {
2419 require_membership_of_sid
= require_membership_of
;
2426 char *domain
= SMB_STRDUP(opt_username
);
2427 char *p
= strchr_m(domain
, *lp_winbind_separator());
2431 if (opt_domain
&& !strequal(opt_domain
, domain
)) {
2432 x_fprintf(x_stderr
, "Domain specified in username (%s) "
2433 "doesn't match specified domain (%s)!\n\n",
2434 domain
, opt_domain
);
2435 poptPrintHelp(pc
, stderr
, 0);
2438 opt_domain
= domain
;
2444 /* Note: if opt_domain is "" then send no domain */
2445 if (opt_domain
== NULL
) {
2446 opt_domain
= get_winbind_domain();
2449 if (opt_workstation
== NULL
) {
2450 opt_workstation
= "";
2453 if (helper_protocol
) {
2455 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2456 if (strcmp(helper_protocol
, stdio_helper_protocols
[i
].name
) == 0) {
2457 squid_stream(stdio_helper_protocols
[i
].mode
, stdio_helper_protocols
[i
].fn
);
2461 x_fprintf(x_stderr
, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol
);
2463 for (i
=0; i
<NUM_HELPER_MODES
; i
++) {
2464 x_fprintf(x_stderr
, "%s\n", stdio_helper_protocols
[i
].name
);
2470 if (!opt_username
|| !*opt_username
) {
2471 x_fprintf(x_stderr
, "username must be specified!\n\n");
2472 poptPrintHelp(pc
, stderr
, 0);
2476 if (opt_challenge
.length
) {
2477 if (!check_auth_crap()) {
2483 if (!opt_password
) {
2484 opt_password
= getpass("password: ");
2488 if (!diagnose_ntlm_auth()) {
2494 fstr_sprintf(user
, "%s%c%s", opt_domain
, winbind_separator(), opt_username
);
2495 if (!check_plaintext_auth(user
, opt_password
, True
)) {
2502 poptFreeContext(pc
);