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"
28 #include "../libcli/auth/libcli_auth.h"
29 #include "../libcli/auth/spnego.h"
30 #include <iniparser.h>
32 #ifndef PAM_WINBIND_CONFIG_FILE
33 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
36 #define WINBIND_KRB5_AUTH 0x00000080
39 #define DBGC_CLASS DBGC_WINBIND
41 #define INITIAL_BUFFER_SIZE 300
42 #define MAX_BUFFER_SIZE 630000
44 enum stdio_helper_mode {
52 NTLM_CHANGE_PASSWORD_1,
56 enum ntlm_auth_cli_state {
63 enum ntlm_auth_svr_state {
70 struct ntlm_auth_state {
72 enum stdio_helper_mode helper_mode;
73 enum ntlm_auth_cli_state cli_state;
74 enum ntlm_auth_svr_state svr_state;
75 struct ntlmssp_state *ntlmssp_state;
77 char *want_feature_list;
78 bool have_session_key;
79 DATA_BLOB session_key;
80 DATA_BLOB initial_message;
83 typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
86 static void manage_squid_basic_request (struct ntlm_auth_state *state,
87 char *buf, int length);
89 static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
90 char *buf, int length);
92 static void manage_client_ntlmssp_request (struct ntlm_auth_state *state,
93 char *buf, int length);
95 static void manage_gss_spnego_request (struct ntlm_auth_state *state,
96 char *buf, int length);
98 static void manage_gss_spnego_client_request (struct ntlm_auth_state *state,
99 char *buf, int length);
101 static void manage_ntlm_server_1_request (struct ntlm_auth_state *state,
102 char *buf, int length);
104 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
105 char *buf, int length);
107 static const struct {
108 enum stdio_helper_mode mode;
110 stdio_helper_function fn;
111 } stdio_helper_protocols[] = {
112 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
113 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
114 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
115 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
116 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
117 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
118 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
119 { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
120 { NUM_HELPER_MODES, NULL, NULL}
123 const char *opt_username;
124 const char *opt_domain;
125 const char *opt_workstation;
126 const char *opt_password;
127 static DATA_BLOB opt_challenge;
128 static DATA_BLOB opt_lm_response;
129 static DATA_BLOB opt_nt_response;
130 static int request_lm_key;
131 static int request_user_session_key;
132 static int use_cached_creds;
134 static const char *require_membership_of;
135 static const char *require_membership_of_sid;
136 static const char *opt_pam_winbind_conf;
138 static char winbind_separator(void)
140 struct winbindd_response response;
147 ZERO_STRUCT(response);
149 /* Send off request */
151 if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
152 NSS_STATUS_SUCCESS) {
153 d_printf("could not obtain winbind separator!\n");
154 return *lp_winbind_separator();
157 sep = response.data.info.winbind_separator;
161 d_printf("winbind separator was NULL!\n");
162 return *lp_winbind_separator();
168 const char *get_winbind_domain(void)
170 struct winbindd_response response;
172 static fstring winbind_domain;
173 if (*winbind_domain) {
174 return winbind_domain;
177 ZERO_STRUCT(response);
179 /* Send off request */
181 if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
182 NSS_STATUS_SUCCESS) {
183 DEBUG(0, ("could not obtain winbind domain name!\n"));
184 return lp_workgroup();
187 fstrcpy(winbind_domain, response.data.domain_name);
189 return winbind_domain;
193 const char *get_winbind_netbios_name(void)
195 struct winbindd_response response;
197 static fstring winbind_netbios_name;
199 if (*winbind_netbios_name) {
200 return winbind_netbios_name;
203 ZERO_STRUCT(response);
205 /* Send off request */
207 if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
208 NSS_STATUS_SUCCESS) {
209 DEBUG(0, ("could not obtain winbind netbios name!\n"));
210 return global_myname();
213 fstrcpy(winbind_netbios_name, response.data.netbios_name);
215 return winbind_netbios_name;
219 DATA_BLOB get_challenge(void)
221 static DATA_BLOB chal;
222 if (opt_challenge.length)
223 return opt_challenge;
225 chal = data_blob(NULL, 8);
227 generate_random_buffer(chal.data, chal.length);
231 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
232 form DOMAIN/user into a domain and a user */
234 static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
238 char *p = strchr(domuser,winbind_separator());
245 fstrcpy(domain, domuser);
246 domain[PTR_DIFF(p, domuser)] = 0;
252 static bool get_require_membership_sid(void) {
253 struct winbindd_request request;
254 struct winbindd_response response;
256 if (!require_membership_of) {
260 if (require_membership_of_sid) {
264 /* Otherwise, ask winbindd for the name->sid request */
266 ZERO_STRUCT(request);
267 ZERO_STRUCT(response);
269 if (!parse_ntlm_auth_domain_user(require_membership_of,
270 request.data.name.dom_name,
271 request.data.name.name)) {
272 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
273 require_membership_of));
277 if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
278 NSS_STATUS_SUCCESS) {
279 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
280 require_membership_of));
284 require_membership_of_sid = SMB_STRDUP(response.data.sid.sid);
286 if (require_membership_of_sid)
293 * Get some configuration from pam_winbind.conf to see if we
294 * need to contact trusted domain
297 int get_pam_winbind_config()
300 dictionary *d = NULL;
302 if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
303 opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
306 d = iniparser_load(CONST_DISCARD(char *, opt_pam_winbind_conf));
312 if (iniparser_getboolean(d, CONST_DISCARD(char *, "global:krb5_auth"), false)) {
313 ctrl |= WINBIND_KRB5_AUTH;
316 iniparser_freedict(d);
321 /* Authenticate a user with a plaintext password */
323 static bool check_plaintext_auth(const char *user, const char *pass,
324 bool stdout_diagnostics)
326 struct winbindd_request request;
327 struct winbindd_response response;
330 if (!get_require_membership_sid()) {
334 /* Send off request */
336 ZERO_STRUCT(request);
337 ZERO_STRUCT(response);
339 fstrcpy(request.data.auth.user, user);
340 fstrcpy(request.data.auth.pass, pass);
341 if (require_membership_of_sid) {
342 strlcpy(request.data.auth.require_membership_of_sid,
343 require_membership_of_sid,
344 sizeof(request.data.auth.require_membership_of_sid));
347 result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
349 /* Display response */
351 if (stdout_diagnostics) {
352 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
353 d_printf("Reading winbind reply failed! (0x01)\n");
356 d_printf("%s: %s (0x%x)\n",
357 response.data.auth.nt_status_string,
358 response.data.auth.error_string,
359 response.data.auth.nt_status);
361 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
362 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
365 DEBUG(3, ("%s: %s (0x%x)\n",
366 response.data.auth.nt_status_string,
367 response.data.auth.error_string,
368 response.data.auth.nt_status));
371 return (result == NSS_STATUS_SUCCESS);
374 /* authenticate a user with an encrypted username/password */
376 NTSTATUS contact_winbind_auth_crap(const char *username,
378 const char *workstation,
379 const DATA_BLOB *challenge,
380 const DATA_BLOB *lm_response,
381 const DATA_BLOB *nt_response,
384 uint8 user_session_key[16],
390 struct winbindd_request request;
391 struct winbindd_response response;
393 if (!get_require_membership_sid()) {
394 return NT_STATUS_INVALID_PARAMETER;
397 ZERO_STRUCT(request);
398 ZERO_STRUCT(response);
400 request.flags = flags;
402 request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
404 if (require_membership_of_sid)
405 fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
407 fstrcpy(request.data.auth_crap.user, username);
408 fstrcpy(request.data.auth_crap.domain, domain);
410 fstrcpy(request.data.auth_crap.workstation,
413 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
415 if (lm_response && lm_response->length) {
416 memcpy(request.data.auth_crap.lm_resp,
418 MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
419 request.data.auth_crap.lm_resp_len = lm_response->length;
422 if (nt_response && nt_response->length) {
423 if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
424 request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
425 request.extra_len = nt_response->length;
426 request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
427 if (request.extra_data.data == NULL) {
428 return NT_STATUS_NO_MEMORY;
430 memcpy(request.extra_data.data, nt_response->data,
431 nt_response->length);
434 memcpy(request.data.auth_crap.nt_resp,
435 nt_response->data, nt_response->length);
437 request.data.auth_crap.nt_resp_len = nt_response->length;
440 result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
441 SAFE_FREE(request.extra_data.data);
443 /* Display response */
445 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
446 nt_status = NT_STATUS_UNSUCCESSFUL;
448 *error_string = smb_xstrdup("Reading winbind reply failed!");
449 winbindd_free_response(&response);
453 nt_status = (NT_STATUS(response.data.auth.nt_status));
454 if (!NT_STATUS_IS_OK(nt_status)) {
456 *error_string = smb_xstrdup(response.data.auth.error_string);
457 winbindd_free_response(&response);
461 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
462 memcpy(lm_key, response.data.auth.first_8_lm_hash,
463 sizeof(response.data.auth.first_8_lm_hash));
465 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
466 memcpy(user_session_key, response.data.auth.user_session_key,
467 sizeof(response.data.auth.user_session_key));
470 if (flags & WBFLAG_PAM_UNIX_NAME) {
471 *unix_name = SMB_STRDUP(response.data.auth.unix_username);
473 winbindd_free_response(&response);
474 return NT_STATUS_NO_MEMORY;
478 winbindd_free_response(&response);
482 /* contact server to change user password using auth crap */
483 static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
485 const DATA_BLOB new_nt_pswd,
486 const DATA_BLOB old_nt_hash_enc,
487 const DATA_BLOB new_lm_pswd,
488 const DATA_BLOB old_lm_hash_enc,
493 struct winbindd_request request;
494 struct winbindd_response response;
496 if (!get_require_membership_sid())
499 *error_string = smb_xstrdup("Can't get membership sid.");
500 return NT_STATUS_INVALID_PARAMETER;
503 ZERO_STRUCT(request);
504 ZERO_STRUCT(response);
507 fstrcpy(request.data.chng_pswd_auth_crap.user, username);
509 fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
511 if(new_nt_pswd.length)
513 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
514 request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
517 if(old_nt_hash_enc.length)
519 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));
520 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
523 if(new_lm_pswd.length)
525 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
526 request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
529 if(old_lm_hash_enc.length)
531 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));
532 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
535 result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
537 /* Display response */
539 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
541 nt_status = NT_STATUS_UNSUCCESSFUL;
543 *error_string = smb_xstrdup("Reading winbind reply failed!");
544 winbindd_free_response(&response);
548 nt_status = (NT_STATUS(response.data.auth.nt_status));
549 if (!NT_STATUS_IS_OK(nt_status))
552 *error_string = smb_xstrdup(response.data.auth.error_string);
553 winbindd_free_response(&response);
557 winbindd_free_response(&response);
562 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
564 static const char zeros[16] = { 0, };
566 char *error_string = NULL;
568 uint8 user_sess_key[16];
569 char *unix_name = NULL;
571 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
572 ntlmssp_state->workstation,
573 &ntlmssp_state->chal,
574 &ntlmssp_state->lm_resp,
575 &ntlmssp_state->nt_resp,
576 WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
577 lm_key, user_sess_key,
578 &error_string, &unix_name);
580 if (NT_STATUS_IS_OK(nt_status)) {
581 if (memcmp(lm_key, zeros, 8) != 0) {
582 *lm_session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
583 memcpy(lm_session_key->data, lm_key, 8);
584 memset(lm_session_key->data+8, '\0', 8);
587 if (memcmp(user_sess_key, zeros, 16) != 0) {
588 *user_session_key = data_blob_talloc(ntlmssp_state, user_sess_key, 16);
590 ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state,
593 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
594 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
595 ntlmssp_state->domain, ntlmssp_state->user,
596 ntlmssp_state->workstation,
597 error_string ? error_string : "unknown error (NULL)"));
598 ntlmssp_state->auth_context = NULL;
601 SAFE_FREE(error_string);
602 SAFE_FREE(unix_name);
606 static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
609 struct samr_Password lm_pw, nt_pw;
611 nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
613 nt_status = ntlm_password_check(ntlmssp_state,
615 &ntlmssp_state->chal,
616 &ntlmssp_state->lm_resp,
617 &ntlmssp_state->nt_resp,
620 ntlmssp_state->domain,
621 &lm_pw, &nt_pw, user_session_key, lm_session_key);
623 if (NT_STATUS_IS_OK(nt_status)) {
624 ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state,
625 "%s%c%s", ntlmssp_state->domain,
626 *lp_winbind_separator(),
627 ntlmssp_state->user);
629 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
630 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
631 nt_errstr(nt_status)));
632 ntlmssp_state->auth_context = NULL;
637 static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
640 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
641 status = NT_STATUS_UNSUCCESSFUL;
642 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
643 return NT_STATUS_INVALID_PARAMETER;
646 status = ntlmssp_client_start(client_ntlmssp_state);
648 if (!NT_STATUS_IS_OK(status)) {
649 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
651 ntlmssp_end(client_ntlmssp_state);
655 status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
657 if (!NT_STATUS_IS_OK(status)) {
658 DEBUG(1, ("Could not set username: %s\n",
660 ntlmssp_end(client_ntlmssp_state);
664 status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
666 if (!NT_STATUS_IS_OK(status)) {
667 DEBUG(1, ("Could not set domain: %s\n",
669 ntlmssp_end(client_ntlmssp_state);
674 status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
676 if (!NT_STATUS_IS_OK(status)) {
677 DEBUG(1, ("Could not set password: %s\n",
679 ntlmssp_end(client_ntlmssp_state);
687 static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
689 NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
691 if (!NT_STATUS_IS_OK(status)) {
692 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
697 /* Have we been given a local password, or should we ask winbind? */
699 (*ntlmssp_state)->check_password = local_pw_check;
700 (*ntlmssp_state)->get_domain = lp_workgroup;
701 (*ntlmssp_state)->get_global_myname = global_myname;
703 (*ntlmssp_state)->check_password = winbind_pw_check;
704 (*ntlmssp_state)->get_domain = get_winbind_domain;
705 (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
710 /*******************************************************************
711 Used by firefox to drive NTLM auth to IIS servers.
712 *******************************************************************/
714 static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
717 struct winbindd_request wb_request;
718 struct winbindd_response wb_response;
722 /* get winbindd to do the ntlmssp step on our behalf */
723 ZERO_STRUCT(wb_request);
724 ZERO_STRUCT(wb_response);
727 * This is tricky here. If we set krb5_auth in pam_winbind.conf
728 * creds for users in trusted domain will be stored the winbindd
729 * child of the trusted domain. If we ask the primary domain for
730 * ntlm_ccache_auth, it will fail. So, we have to ask the trusted
731 * domain's child for ccache_ntlm_auth. that is to say, we have to
732 * set WBFALG_PAM_CONTACT_TRUSTDOM in request.flags.
734 ctrl = get_pam_winbind_config();
736 if (ctrl | WINBIND_KRB5_AUTH) {
737 wb_request.flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
740 fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
741 "%s%c%s", opt_domain, winbind_separator(), opt_username);
742 wb_request.data.ccache_ntlm_auth.uid = geteuid();
743 wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
744 wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
745 wb_request.extra_len = initial_msg.length + challenge_msg.length;
747 if (wb_request.extra_len > 0) {
748 wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
749 if (wb_request.extra_data.data == NULL) {
750 return NT_STATUS_NO_MEMORY;
753 memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
754 memcpy(wb_request.extra_data.data + initial_msg.length,
755 challenge_msg.data, challenge_msg.length);
758 result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
759 SAFE_FREE(wb_request.extra_data.data);
761 if (result != NSS_STATUS_SUCCESS) {
762 winbindd_free_response(&wb_response);
763 return NT_STATUS_UNSUCCESSFUL;
767 *reply = data_blob(wb_response.extra_data.data,
768 wb_response.data.ccache_ntlm_auth.auth_blob_len);
769 if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
770 reply->data == NULL) {
771 winbindd_free_response(&wb_response);
772 return NT_STATUS_NO_MEMORY;
776 winbindd_free_response(&wb_response);
777 return NT_STATUS_MORE_PROCESSING_REQUIRED;
780 static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
781 char *buf, int length)
783 DATA_BLOB request, reply;
786 if (strlen(buf) < 2) {
787 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
788 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
792 if (strlen(buf) > 3) {
793 if(strncmp(buf, "SF ", 3) == 0){
794 DEBUG(10, ("Setting flags to negotioate\n"));
795 TALLOC_FREE(state->want_feature_list);
796 state->want_feature_list = talloc_strdup(state->mem_ctx,
798 x_fprintf(x_stdout, "OK\n");
801 request = base64_decode_data_blob(buf + 3);
803 request = data_blob_null;
806 if ((strncmp(buf, "PW ", 3) == 0)) {
807 /* The calling application wants us to use a local password
808 * (rather than winbindd) */
810 opt_password = SMB_STRNDUP((const char *)request.data,
813 if (opt_password == NULL) {
814 DEBUG(1, ("Out of memory\n"));
815 x_fprintf(x_stdout, "BH Out of memory\n");
816 data_blob_free(&request);
820 x_fprintf(x_stdout, "OK\n");
821 data_blob_free(&request);
825 if (strncmp(buf, "YR", 2) == 0) {
826 if (state->ntlmssp_state)
827 ntlmssp_end(&state->ntlmssp_state);
828 state->svr_state = SERVER_INITIAL;
829 } else if (strncmp(buf, "KK", 2) == 0) {
830 /* No special preprocessing required */
831 } else if (strncmp(buf, "GF", 2) == 0) {
832 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
834 if (state->svr_state == SERVER_FINISHED) {
835 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
838 x_fprintf(x_stdout, "BH\n");
840 data_blob_free(&request);
842 } else if (strncmp(buf, "GK", 2) == 0) {
843 DEBUG(10, ("Requested NTLMSSP session key\n"));
844 if(state->have_session_key) {
845 char *key64 = base64_encode_data_blob(state->mem_ctx,
847 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
850 x_fprintf(x_stdout, "BH\n");
853 data_blob_free(&request);
856 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
857 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
861 if (!state->ntlmssp_state) {
862 nt_status = ntlm_auth_start_ntlmssp_server(
863 &state->ntlmssp_state);
864 if (!NT_STATUS_IS_OK(nt_status)) {
865 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
868 ntlmssp_want_feature_list(state->ntlmssp_state,
869 state->want_feature_list);
872 DEBUG(10, ("got NTLMSSP packet:\n"));
873 dump_data(10, request.data, request.length);
875 nt_status = ntlmssp_update(state->ntlmssp_state, request, &reply);
877 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
878 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
880 x_fprintf(x_stdout, "TT %s\n", reply_base64);
881 TALLOC_FREE(reply_base64);
882 data_blob_free(&reply);
883 state->svr_state = SERVER_CHALLENGE;
884 DEBUG(10, ("NTLMSSP challenge\n"));
885 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
886 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
887 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
889 ntlmssp_end(&state->ntlmssp_state);
890 } else if (!NT_STATUS_IS_OK(nt_status)) {
891 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
892 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
894 x_fprintf(x_stdout, "AF %s\n",
895 (char *)state->ntlmssp_state->auth_context);
896 DEBUG(10, ("NTLMSSP OK!\n"));
898 if(state->have_session_key)
899 data_blob_free(&state->session_key);
900 state->session_key = data_blob(
901 state->ntlmssp_state->session_key.data,
902 state->ntlmssp_state->session_key.length);
903 state->neg_flags = state->ntlmssp_state->neg_flags;
904 state->have_session_key = true;
905 state->svr_state = SERVER_FINISHED;
908 data_blob_free(&request);
911 static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
912 char *buf, int length)
914 DATA_BLOB request, reply;
917 if (!opt_username || !*opt_username) {
918 x_fprintf(x_stderr, "username must be specified!\n\n");
922 if (strlen(buf) < 2) {
923 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
924 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
928 if (strlen(buf) > 3) {
929 if(strncmp(buf, "SF ", 3) == 0) {
930 DEBUG(10, ("Looking for flags to negotiate\n"));
931 talloc_free(state->want_feature_list);
932 state->want_feature_list = talloc_strdup(state->mem_ctx,
934 x_fprintf(x_stdout, "OK\n");
937 request = base64_decode_data_blob(buf + 3);
939 request = data_blob_null;
942 if (strncmp(buf, "PW ", 3) == 0) {
943 /* We asked for a password and obviously got it :-) */
945 opt_password = SMB_STRNDUP((const char *)request.data,
948 if (opt_password == NULL) {
949 DEBUG(1, ("Out of memory\n"));
950 x_fprintf(x_stdout, "BH Out of memory\n");
951 data_blob_free(&request);
955 x_fprintf(x_stdout, "OK\n");
956 data_blob_free(&request);
960 if (!state->ntlmssp_state && use_cached_creds) {
961 /* check whether cached credentials are usable. */
962 DATA_BLOB empty_blob = data_blob_null;
964 nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
965 if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
966 /* failed to use cached creds */
967 use_cached_creds = False;
971 if (opt_password == NULL && !use_cached_creds) {
972 /* Request a password from the calling process. After
973 sending it, the calling process should retry asking for the
976 DEBUG(10, ("Requesting password\n"));
977 x_fprintf(x_stdout, "PW\n");
981 if (strncmp(buf, "YR", 2) == 0) {
982 if (state->ntlmssp_state)
983 ntlmssp_end(&state->ntlmssp_state);
984 state->cli_state = CLIENT_INITIAL;
985 } else if (strncmp(buf, "TT", 2) == 0) {
986 /* No special preprocessing required */
987 } else if (strncmp(buf, "GF", 2) == 0) {
988 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
990 if(state->cli_state == CLIENT_FINISHED) {
991 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
994 x_fprintf(x_stdout, "BH\n");
997 data_blob_free(&request);
999 } else if (strncmp(buf, "GK", 2) == 0 ) {
1000 DEBUG(10, ("Requested session key\n"));
1002 if(state->cli_state == CLIENT_FINISHED) {
1003 char *key64 = base64_encode_data_blob(state->mem_ctx,
1004 state->session_key);
1005 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
1009 x_fprintf(x_stdout, "BH\n");
1012 data_blob_free(&request);
1015 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
1016 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
1020 if (!state->ntlmssp_state) {
1021 nt_status = ntlm_auth_start_ntlmssp_client(
1022 &state->ntlmssp_state);
1023 if (!NT_STATUS_IS_OK(nt_status)) {
1024 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1027 ntlmssp_want_feature_list(state->ntlmssp_state,
1028 state->want_feature_list);
1029 state->initial_message = data_blob_null;
1032 DEBUG(10, ("got NTLMSSP packet:\n"));
1033 dump_data(10, request.data, request.length);
1035 if (use_cached_creds && !opt_password &&
1036 (state->cli_state == CLIENT_RESPONSE)) {
1037 nt_status = do_ccache_ntlm_auth(state->initial_message, request,
1040 nt_status = ntlmssp_update(state->ntlmssp_state, request,
1044 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1045 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
1047 if (state->cli_state == CLIENT_INITIAL) {
1048 x_fprintf(x_stdout, "YR %s\n", reply_base64);
1049 state->initial_message = reply;
1050 state->cli_state = CLIENT_RESPONSE;
1052 x_fprintf(x_stdout, "KK %s\n", reply_base64);
1053 data_blob_free(&reply);
1055 TALLOC_FREE(reply_base64);
1056 DEBUG(10, ("NTLMSSP challenge\n"));
1057 } else if (NT_STATUS_IS_OK(nt_status)) {
1058 char *reply_base64 = base64_encode_data_blob(talloc_tos(),
1060 x_fprintf(x_stdout, "AF %s\n", reply_base64);
1061 TALLOC_FREE(reply_base64);
1063 if(state->have_session_key)
1064 data_blob_free(&state->session_key);
1066 state->session_key = data_blob(
1067 state->ntlmssp_state->session_key.data,
1068 state->ntlmssp_state->session_key.length);
1069 state->neg_flags = state->ntlmssp_state->neg_flags;
1070 state->have_session_key = true;
1072 DEBUG(10, ("NTLMSSP OK!\n"));
1073 state->cli_state = CLIENT_FINISHED;
1074 if (state->ntlmssp_state)
1075 ntlmssp_end(&state->ntlmssp_state);
1077 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1078 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
1079 state->cli_state = CLIENT_ERROR;
1080 if (state->ntlmssp_state)
1081 ntlmssp_end(&state->ntlmssp_state);
1084 data_blob_free(&request);
1087 static void manage_squid_basic_request(struct ntlm_auth_state *state,
1088 char *buf, int length)
1093 pass=(char *)memchr(buf,' ',length);
1095 DEBUG(2, ("Password not found. Denying access\n"));
1096 x_fprintf(x_stdout, "ERR\n");
1102 if (state->helper_mode == SQUID_2_5_BASIC) {
1103 rfc1738_unescape(user);
1104 rfc1738_unescape(pass);
1107 if (check_plaintext_auth(user, pass, False)) {
1108 x_fprintf(x_stdout, "OK\n");
1110 x_fprintf(x_stdout, "ERR\n");
1114 static void offer_gss_spnego_mechs(void) {
1117 struct spnego_data spnego;
1120 TALLOC_CTX *ctx = talloc_tos();
1124 ZERO_STRUCT(spnego);
1126 myname_lower = talloc_strdup(ctx, global_myname());
1127 if (!myname_lower) {
1130 strlower_m(myname_lower);
1132 principal = talloc_asprintf(ctx, "%s$@%s", myname_lower, lp_realm());
1137 /* Server negTokenInit (mech offerings) */
1138 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1139 spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
1141 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
1142 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
1143 spnego.negTokenInit.mechTypes[2] = NULL;
1145 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
1146 spnego.negTokenInit.mechTypes[1] = NULL;
1150 spnego.negTokenInit.mechListMIC = data_blob(principal,
1153 len = spnego_write_data(ctx, &token, &spnego);
1154 spnego_free_data(&spnego);
1157 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1158 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1162 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1163 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
1165 TALLOC_FREE(reply_base64);
1166 data_blob_free(&token);
1167 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1171 static void manage_gss_spnego_request(struct ntlm_auth_state *state,
1172 char *buf, int length)
1174 static NTLMSSP_STATE *ntlmssp_state = NULL;
1175 struct spnego_data request, response;
1179 TALLOC_CTX *ctx = talloc_tos();
1182 char *domain = NULL;
1184 const char *reply_code;
1186 char *reply_argument = NULL;
1188 if (strlen(buf) < 2) {
1189 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1190 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1194 if (strncmp(buf, "YR", 2) == 0) {
1196 ntlmssp_end(&ntlmssp_state);
1197 } else if (strncmp(buf, "KK", 2) == 0) {
1200 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1201 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1205 if ( (strlen(buf) == 2)) {
1207 /* no client data, get the negTokenInit offering
1210 offer_gss_spnego_mechs();
1214 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1216 if (strlen(buf) <= 3) {
1217 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
1218 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1222 token = base64_decode_data_blob(buf + 3);
1223 len = spnego_read_data(ctx, token, &request);
1224 data_blob_free(&token);
1227 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
1228 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1232 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
1234 /* Second request from Client. This is where the
1235 client offers its mechanism to use. */
1237 if ( (request.negTokenInit.mechTypes == NULL) ||
1238 (request.negTokenInit.mechTypes[0] == NULL) ) {
1239 DEBUG(1, ("Client did not offer any mechanism"));
1240 x_fprintf(x_stdout, "BH Client did not offer any "
1245 status = NT_STATUS_UNSUCCESSFUL;
1246 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
1248 if ( request.negTokenInit.mechToken.data == NULL ) {
1249 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1250 x_fprintf(x_stdout, "BH Client did not provide "
1255 if ( ntlmssp_state != NULL ) {
1256 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1257 "already got one\n"));
1258 x_fprintf(x_stdout, "BH Client wants a new "
1259 "NTLMSSP challenge, but "
1260 "already got one\n");
1261 ntlmssp_end(&ntlmssp_state);
1265 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
1266 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1270 DEBUG(10, ("got NTLMSSP packet:\n"));
1271 dump_data(10, request.negTokenInit.mechToken.data,
1272 request.negTokenInit.mechToken.length);
1274 response.type = SPNEGO_NEG_TOKEN_TARG;
1275 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1276 response.negTokenTarg.mechListMIC = data_blob_null;
1278 status = ntlmssp_update(ntlmssp_state,
1279 request.negTokenInit.mechToken,
1280 &response.negTokenTarg.responseToken);
1284 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
1286 TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
1289 DATA_BLOB session_key;
1290 struct PAC_DATA *pac_data = NULL;
1292 if ( request.negTokenInit.mechToken.data == NULL ) {
1293 DEBUG(1, ("Client did not provide Kerberos data\n"));
1294 x_fprintf(x_stdout, "BH Client did not provide "
1299 response.type = SPNEGO_NEG_TOKEN_TARG;
1300 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
1301 response.negTokenTarg.mechListMIC = data_blob_null;
1302 response.negTokenTarg.responseToken = data_blob_null;
1304 status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
1305 &request.negTokenInit.mechToken,
1306 &principal, &pac_data, &ap_rep,
1307 &session_key, True);
1309 /* Now in "principal" we have the name we are
1310 authenticated as. */
1312 if (NT_STATUS_IS_OK(status)) {
1314 domain = strchr_m(principal, '@');
1316 if (domain == NULL) {
1317 DEBUG(1, ("Did not get a valid principal "
1318 "from ads_verify_ticket\n"));
1319 x_fprintf(x_stdout, "BH Did not get a "
1320 "valid principal from "
1321 "ads_verify_ticket\n");
1326 domain = SMB_STRDUP(domain);
1327 user = SMB_STRDUP(principal);
1329 data_blob_free(&ap_rep);
1332 TALLOC_FREE(mem_ctx);
1338 if ( (request.negTokenTarg.supportedMech == NULL) ||
1339 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
1340 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1341 is the only one we support that sends this stuff */
1342 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1343 request.negTokenTarg.supportedMech));
1344 x_fprintf(x_stdout, "BH Got a negTokenTarg for "
1345 "something non-NTLMSSP\n");
1349 if (request.negTokenTarg.responseToken.data == NULL) {
1350 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1351 x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
1352 "responseToken!\n");
1356 status = ntlmssp_update(ntlmssp_state,
1357 request.negTokenTarg.responseToken,
1358 &response.negTokenTarg.responseToken);
1360 response.type = SPNEGO_NEG_TOKEN_TARG;
1361 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1362 response.negTokenTarg.mechListMIC = data_blob_null;
1364 if (NT_STATUS_IS_OK(status)) {
1365 user = SMB_STRDUP(ntlmssp_state->user);
1366 domain = SMB_STRDUP(ntlmssp_state->domain);
1367 ntlmssp_end(&ntlmssp_state);
1371 spnego_free_data(&request);
1373 if (NT_STATUS_IS_OK(status)) {
1374 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
1376 reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
1377 } else if (NT_STATUS_EQUAL(status,
1378 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1379 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1381 reply_argument = talloc_strdup(ctx, "*");
1383 response.negTokenTarg.negResult = SPNEGO_REJECT;
1385 reply_argument = talloc_strdup(ctx, nt_errstr(status));
1388 if (!reply_argument) {
1389 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1390 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1397 len = spnego_write_data(ctx, &token, &response);
1398 spnego_free_data(&response);
1401 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1402 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1406 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1408 x_fprintf(x_stdout, "%s %s %s\n",
1409 reply_code, reply_base64, reply_argument);
1411 TALLOC_FREE(reply_base64);
1412 data_blob_free(&token);
1417 static NTLMSSP_STATE *client_ntlmssp_state = NULL;
1419 static bool manage_client_ntlmssp_init(struct spnego_data spnego)
1422 DATA_BLOB null_blob = data_blob_null;
1423 DATA_BLOB to_server;
1424 char *to_server_base64;
1425 const char *my_mechs[] = {OID_NTLMSSP, NULL};
1426 TALLOC_CTX *ctx = talloc_tos();
1428 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1430 if (client_ntlmssp_state != NULL) {
1431 DEBUG(1, ("Request for initial SPNEGO request where "
1432 "we already have a state\n"));
1436 if (!client_ntlmssp_state) {
1437 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
1438 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1444 if (opt_password == NULL) {
1446 /* Request a password from the calling process. After
1447 sending it, the calling process should retry with
1448 the negTokenInit. */
1450 DEBUG(10, ("Requesting password\n"));
1451 x_fprintf(x_stdout, "PW\n");
1455 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1456 spnego.negTokenInit.mechTypes = my_mechs;
1457 spnego.negTokenInit.reqFlags = data_blob_null;
1458 spnego.negTokenInit.reqFlagsPadding = 0;
1459 spnego.negTokenInit.mechListMIC = null_blob;
1461 status = ntlmssp_update(client_ntlmssp_state, null_blob,
1462 &spnego.negTokenInit.mechToken);
1464 if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
1465 NT_STATUS_IS_OK(status)) ) {
1466 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1467 nt_errstr(status)));
1468 ntlmssp_end(&client_ntlmssp_state);
1472 spnego_write_data(ctx, &to_server, &spnego);
1473 data_blob_free(&spnego.negTokenInit.mechToken);
1475 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1476 data_blob_free(&to_server);
1477 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1478 TALLOC_FREE(to_server_base64);
1482 static void manage_client_ntlmssp_targ(struct spnego_data spnego)
1485 DATA_BLOB null_blob = data_blob_null;
1487 DATA_BLOB to_server;
1488 char *to_server_base64;
1489 TALLOC_CTX *ctx = talloc_tos();
1491 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1493 if (client_ntlmssp_state == NULL) {
1494 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1495 x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
1499 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
1500 x_fprintf(x_stdout, "NA\n");
1501 ntlmssp_end(&client_ntlmssp_state);
1505 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
1506 x_fprintf(x_stdout, "AF\n");
1507 ntlmssp_end(&client_ntlmssp_state);
1511 status = ntlmssp_update(client_ntlmssp_state,
1512 spnego.negTokenTarg.responseToken,
1515 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1516 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1517 "ntlmssp_client_update, got: %s\n",
1518 nt_errstr(status)));
1519 x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
1520 "ntlmssp_client_update\n");
1521 data_blob_free(&request);
1522 ntlmssp_end(&client_ntlmssp_state);
1526 spnego.type = SPNEGO_NEG_TOKEN_TARG;
1527 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1528 spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
1529 spnego.negTokenTarg.responseToken = request;
1530 spnego.negTokenTarg.mechListMIC = null_blob;
1532 spnego_write_data(ctx, &to_server, &spnego);
1533 data_blob_free(&request);
1535 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1536 data_blob_free(&to_server);
1537 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1538 TALLOC_FREE(to_server_base64);
1544 static bool manage_client_krb5_init(struct spnego_data spnego)
1547 DATA_BLOB tkt, to_server;
1548 DATA_BLOB session_key_krb5 = data_blob_null;
1549 struct spnego_data reply;
1553 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
1555 TALLOC_CTX *ctx = talloc_tos();
1557 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
1558 (spnego.negTokenInit.mechListMIC.length == 0) ) {
1559 DEBUG(1, ("Did not get a principal for krb5\n"));
1563 principal = (char *)SMB_MALLOC(
1564 spnego.negTokenInit.mechListMIC.length+1);
1566 if (principal == NULL) {
1567 DEBUG(1, ("Could not malloc principal\n"));
1571 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
1572 spnego.negTokenInit.mechListMIC.length);
1573 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
1575 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL, NULL);
1580 /* Let's try to first get the TGT, for that we need a
1583 if (opt_password == NULL) {
1584 DEBUG(10, ("Requesting password\n"));
1585 x_fprintf(x_stdout, "PW\n");
1589 user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
1594 if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
1595 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
1599 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL, NULL);
1602 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
1607 data_blob_free(&session_key_krb5);
1611 reply.type = SPNEGO_NEG_TOKEN_INIT;
1612 reply.negTokenInit.mechTypes = my_mechs;
1613 reply.negTokenInit.reqFlags = data_blob_null;
1614 reply.negTokenInit.reqFlagsPadding = 0;
1615 reply.negTokenInit.mechToken = tkt;
1616 reply.negTokenInit.mechListMIC = data_blob_null;
1618 len = spnego_write_data(ctx, &to_server, &reply);
1619 data_blob_free(&tkt);
1622 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1626 reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1627 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
1629 TALLOC_FREE(reply_base64);
1630 data_blob_free(&to_server);
1631 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1635 static void manage_client_krb5_targ(struct spnego_data spnego)
1637 switch (spnego.negTokenTarg.negResult) {
1638 case SPNEGO_ACCEPT_INCOMPLETE:
1639 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1640 x_fprintf(x_stdout, "BH Got a Kerberos negTokenTarg with "
1641 "ACCEPT_INCOMPLETE\n");
1643 case SPNEGO_ACCEPT_COMPLETED:
1644 DEBUG(10, ("Accept completed\n"));
1645 x_fprintf(x_stdout, "AF\n");
1648 DEBUG(10, ("Rejected\n"));
1649 x_fprintf(x_stdout, "NA\n");
1652 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1653 x_fprintf(x_stdout, "AF\n");
1659 static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
1660 char *buf, int length)
1663 struct spnego_data spnego;
1665 TALLOC_CTX *ctx = talloc_tos();
1667 if (!opt_username || !*opt_username) {
1668 x_fprintf(x_stderr, "username must be specified!\n\n");
1672 if (strlen(buf) <= 3) {
1673 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
1674 x_fprintf(x_stdout, "BH SPNEGO query too short\n");
1678 request = base64_decode_data_blob(buf+3);
1680 if (strncmp(buf, "PW ", 3) == 0) {
1682 /* We asked for a password and obviously got it :-) */
1684 opt_password = SMB_STRNDUP((const char *)request.data, request.length);
1686 if (opt_password == NULL) {
1687 DEBUG(1, ("Out of memory\n"));
1688 x_fprintf(x_stdout, "BH Out of memory\n");
1689 data_blob_free(&request);
1693 x_fprintf(x_stdout, "OK\n");
1694 data_blob_free(&request);
1698 if ( (strncmp(buf, "TT ", 3) != 0) &&
1699 (strncmp(buf, "AF ", 3) != 0) &&
1700 (strncmp(buf, "NA ", 3) != 0) ) {
1701 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
1702 x_fprintf(x_stdout, "BH SPNEGO request invalid\n");
1703 data_blob_free(&request);
1707 /* So we got a server challenge to generate a SPNEGO
1708 client-to-server request... */
1710 len = spnego_read_data(ctx, request, &spnego);
1711 data_blob_free(&request);
1714 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1715 x_fprintf(x_stdout, "BH Could not read SPNEGO data\n");
1719 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1721 /* The server offers a list of mechanisms */
1723 const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
1725 while (*mechType != NULL) {
1728 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1729 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1730 if (manage_client_krb5_init(spnego))
1735 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1736 if (manage_client_ntlmssp_init(spnego))
1743 DEBUG(1, ("Server offered no compatible mechanism\n"));
1744 x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
1748 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1750 if (spnego.negTokenTarg.supportedMech == NULL) {
1751 /* On accept/reject Windows does not send the
1752 mechanism anymore. Handle that here and
1753 shut down the mechanisms. */
1755 switch (spnego.negTokenTarg.negResult) {
1756 case SPNEGO_ACCEPT_COMPLETED:
1757 x_fprintf(x_stdout, "AF\n");
1760 x_fprintf(x_stdout, "NA\n");
1763 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1764 "unknown negResult: %d\n",
1765 spnego.negTokenTarg.negResult));
1766 x_fprintf(x_stdout, "BH Got a negTokenTarg with"
1767 " no mech and an unknown "
1771 ntlmssp_end(&client_ntlmssp_state);
1775 if (strcmp(spnego.negTokenTarg.supportedMech,
1776 OID_NTLMSSP) == 0) {
1777 manage_client_ntlmssp_targ(spnego);
1782 if (strcmp(spnego.negTokenTarg.supportedMech,
1783 OID_KERBEROS5_OLD) == 0) {
1784 manage_client_krb5_targ(spnego);
1791 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1792 x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
1796 spnego_free_data(&spnego);
1800 static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
1801 char *buf, int length)
1803 char *request, *parameter;
1804 static DATA_BLOB challenge;
1805 static DATA_BLOB lm_response;
1806 static DATA_BLOB nt_response;
1807 static char *full_username;
1808 static char *username;
1809 static char *domain;
1810 static char *plaintext_password;
1811 static bool ntlm_server_1_user_session_key;
1812 static bool ntlm_server_1_lm_session_key;
1814 if (strequal(buf, ".")) {
1815 if (!full_username && !username) {
1816 x_fprintf(x_stdout, "Error: No username supplied!\n");
1817 } else if (plaintext_password) {
1818 /* handle this request as plaintext */
1819 if (!full_username) {
1820 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1821 x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
1825 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1826 x_fprintf(x_stdout, "Authenticated: Yes\n");
1828 x_fprintf(x_stdout, "Authenticated: No\n");
1830 } else if (!lm_response.data && !nt_response.data) {
1831 x_fprintf(x_stdout, "Error: No password supplied!\n");
1832 } else if (!challenge.data) {
1833 x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
1835 char *error_string = NULL;
1837 uchar user_session_key[16];
1840 if (full_username && !username) {
1842 fstring fstr_domain;
1844 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1845 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1846 x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
1848 SAFE_FREE(username);
1850 username = smb_xstrdup(fstr_user);
1851 domain = smb_xstrdup(fstr_domain);
1855 domain = smb_xstrdup(get_winbind_domain());
1858 if (ntlm_server_1_lm_session_key)
1859 flags |= WBFLAG_PAM_LMKEY;
1861 if (ntlm_server_1_user_session_key)
1862 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1864 if (!NT_STATUS_IS_OK(
1865 contact_winbind_auth_crap(username,
1877 x_fprintf(x_stdout, "Authenticated: No\n");
1878 x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
1880 static char zeros[16];
1882 char *hex_user_session_key;
1884 x_fprintf(x_stdout, "Authenticated: Yes\n");
1886 if (ntlm_server_1_lm_session_key
1887 && (memcmp(zeros, lm_key,
1888 sizeof(lm_key)) != 0)) {
1889 hex_lm_key = hex_encode_talloc(NULL,
1890 (const unsigned char *)lm_key,
1892 x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
1893 TALLOC_FREE(hex_lm_key);
1896 if (ntlm_server_1_user_session_key
1897 && (memcmp(zeros, user_session_key,
1898 sizeof(user_session_key)) != 0)) {
1899 hex_user_session_key = hex_encode_talloc(NULL,
1900 (const unsigned char *)user_session_key,
1901 sizeof(user_session_key));
1902 x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
1903 TALLOC_FREE(hex_user_session_key);
1906 SAFE_FREE(error_string);
1908 /* clear out the state */
1909 challenge = data_blob_null;
1910 nt_response = data_blob_null;
1911 lm_response = data_blob_null;
1912 SAFE_FREE(full_username);
1913 SAFE_FREE(username);
1915 SAFE_FREE(plaintext_password);
1916 ntlm_server_1_user_session_key = False;
1917 ntlm_server_1_lm_session_key = False;
1918 x_fprintf(x_stdout, ".\n");
1925 /* Indicates a base64 encoded structure */
1926 parameter = strstr_m(request, ":: ");
1928 parameter = strstr_m(request, ": ");
1931 DEBUG(0, ("Parameter not found!\n"));
1932 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
1949 base64_decode_inplace(parameter);
1952 if (strequal(request, "LANMAN-Challenge")) {
1953 challenge = strhex_to_data_blob(NULL, parameter);
1954 if (challenge.length != 8) {
1955 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1957 (int)challenge.length);
1958 challenge = data_blob_null;
1960 } else if (strequal(request, "NT-Response")) {
1961 nt_response = strhex_to_data_blob(NULL, parameter);
1962 if (nt_response.length < 24) {
1963 x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1965 (int)nt_response.length);
1966 nt_response = data_blob_null;
1968 } else if (strequal(request, "LANMAN-Response")) {
1969 lm_response = strhex_to_data_blob(NULL, parameter);
1970 if (lm_response.length != 24) {
1971 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1973 (int)lm_response.length);
1974 lm_response = data_blob_null;
1976 } else if (strequal(request, "Password")) {
1977 plaintext_password = smb_xstrdup(parameter);
1978 } else if (strequal(request, "NT-Domain")) {
1979 domain = smb_xstrdup(parameter);
1980 } else if (strequal(request, "Username")) {
1981 username = smb_xstrdup(parameter);
1982 } else if (strequal(request, "Full-Username")) {
1983 full_username = smb_xstrdup(parameter);
1984 } else if (strequal(request, "Request-User-Session-Key")) {
1985 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
1986 } else if (strequal(request, "Request-LanMan-Session-Key")) {
1987 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
1989 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
1993 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
1994 char *buf, int length)
1996 char *request, *parameter;
1997 static DATA_BLOB new_nt_pswd;
1998 static DATA_BLOB old_nt_hash_enc;
1999 static DATA_BLOB new_lm_pswd;
2000 static DATA_BLOB old_lm_hash_enc;
2001 static char *full_username = NULL;
2002 static char *username = NULL;
2003 static char *domain = NULL;
2004 static char *newpswd = NULL;
2005 static char *oldpswd = NULL;
2007 if (strequal(buf, ".")) {
2008 if(newpswd && oldpswd) {
2009 uchar old_nt_hash[16];
2010 uchar old_lm_hash[16];
2011 uchar new_nt_hash[16];
2012 uchar new_lm_hash[16];
2014 new_nt_pswd = data_blob(NULL, 516);
2015 old_nt_hash_enc = data_blob(NULL, 16);
2017 /* Calculate the MD4 hash (NT compatible) of the
2019 E_md4hash(oldpswd, old_nt_hash);
2020 E_md4hash(newpswd, new_nt_hash);
2022 /* E_deshash returns false for 'long'
2023 passwords (> 14 DOS chars).
2025 Therefore, don't send a buffer
2026 encrypted with the truncated hash
2027 (it could allow an even easier
2028 attack on the password)
2030 Likewise, obey the admin's restriction
2033 if (lp_client_lanman_auth() &&
2034 E_deshash(newpswd, new_lm_hash) &&
2035 E_deshash(oldpswd, old_lm_hash)) {
2036 new_lm_pswd = data_blob(NULL, 516);
2037 old_lm_hash_enc = data_blob(NULL, 16);
2038 encode_pw_buffer(new_lm_pswd.data, newpswd,
2041 arcfour_crypt(new_lm_pswd.data, old_nt_hash, 516);
2042 E_old_pw_hash(new_nt_hash, old_lm_hash,
2043 old_lm_hash_enc.data);
2045 new_lm_pswd.data = NULL;
2046 new_lm_pswd.length = 0;
2047 old_lm_hash_enc.data = NULL;
2048 old_lm_hash_enc.length = 0;
2051 encode_pw_buffer(new_nt_pswd.data, newpswd,
2054 arcfour_crypt(new_nt_pswd.data, old_nt_hash, 516);
2055 E_old_pw_hash(new_nt_hash, old_nt_hash,
2056 old_nt_hash_enc.data);
2059 if (!full_username && !username) {
2060 x_fprintf(x_stdout, "Error: No username supplied!\n");
2061 } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
2062 (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
2063 x_fprintf(x_stdout, "Error: No NT or LM password "
2064 "blobs supplied!\n");
2066 char *error_string = NULL;
2068 if (full_username && !username) {
2070 fstring fstr_domain;
2072 if (!parse_ntlm_auth_domain_user(full_username,
2075 /* username might be 'tainted', don't
2076 * print into our new-line
2077 * deleimianted stream */
2078 x_fprintf(x_stdout, "Error: Could not "
2079 "parse into domain and "
2081 SAFE_FREE(username);
2082 username = smb_xstrdup(full_username);
2084 SAFE_FREE(username);
2086 username = smb_xstrdup(fstr_user);
2087 domain = smb_xstrdup(fstr_domain);
2092 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2099 x_fprintf(x_stdout, "Password-Change: No\n");
2100 x_fprintf(x_stdout, "Password-Change-Error: "
2101 "%s\n.\n", error_string);
2103 x_fprintf(x_stdout, "Password-Change: Yes\n");
2106 SAFE_FREE(error_string);
2108 /* clear out the state */
2109 new_nt_pswd = data_blob_null;
2110 old_nt_hash_enc = data_blob_null;
2111 new_lm_pswd = data_blob_null;
2112 old_nt_hash_enc = data_blob_null;
2113 SAFE_FREE(full_username);
2114 SAFE_FREE(username);
2118 x_fprintf(x_stdout, ".\n");
2125 /* Indicates a base64 encoded structure */
2126 parameter = strstr_m(request, ":: ");
2128 parameter = strstr_m(request, ": ");
2131 DEBUG(0, ("Parameter not found!\n"));
2132 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
2148 base64_decode_inplace(parameter);
2151 if (strequal(request, "new-nt-password-blob")) {
2152 new_nt_pswd = strhex_to_data_blob(NULL, parameter);
2153 if (new_nt_pswd.length != 516) {
2154 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2155 "(got %d bytes, expected 516)\n.\n",
2157 (int)new_nt_pswd.length);
2158 new_nt_pswd = data_blob_null;
2160 } else if (strequal(request, "old-nt-hash-blob")) {
2161 old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
2162 if (old_nt_hash_enc.length != 16) {
2163 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2164 "(got %d bytes, expected 16)\n.\n",
2166 (int)old_nt_hash_enc.length);
2167 old_nt_hash_enc = data_blob_null;
2169 } else if (strequal(request, "new-lm-password-blob")) {
2170 new_lm_pswd = strhex_to_data_blob(NULL, parameter);
2171 if (new_lm_pswd.length != 516) {
2172 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2173 "(got %d bytes, expected 516)\n.\n",
2175 (int)new_lm_pswd.length);
2176 new_lm_pswd = data_blob_null;
2179 else if (strequal(request, "old-lm-hash-blob")) {
2180 old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
2181 if (old_lm_hash_enc.length != 16)
2183 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2184 "(got %d bytes, expected 16)\n.\n",
2186 (int)old_lm_hash_enc.length);
2187 old_lm_hash_enc = data_blob_null;
2189 } else if (strequal(request, "nt-domain")) {
2190 domain = smb_xstrdup(parameter);
2191 } else if(strequal(request, "username")) {
2192 username = smb_xstrdup(parameter);
2193 } else if(strequal(request, "full-username")) {
2194 username = smb_xstrdup(parameter);
2195 } else if(strequal(request, "new-password")) {
2196 newpswd = smb_xstrdup(parameter);
2197 } else if (strequal(request, "old-password")) {
2198 oldpswd = smb_xstrdup(parameter);
2200 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
2204 static void manage_squid_request(struct ntlm_auth_state *state,
2205 stdio_helper_function fn)
2208 char tmp[INITIAL_BUFFER_SIZE+1];
2209 int length, buf_size = 0;
2212 buf = talloc_strdup(state->mem_ctx, "");
2214 DEBUG(0, ("Failed to allocate input buffer.\n"));
2215 x_fprintf(x_stderr, "ERR\n");
2221 /* this is not a typo - x_fgets doesn't work too well under
2223 if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
2224 if (ferror(stdin)) {
2225 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2226 "(%s)\n", ferror(stdin),
2227 strerror(ferror(stdin))));
2234 buf = talloc_strdup_append_buffer(buf, tmp);
2235 buf_size += INITIAL_BUFFER_SIZE;
2237 if (buf_size > MAX_BUFFER_SIZE) {
2238 DEBUG(2, ("Oversized message\n"));
2239 x_fprintf(x_stderr, "ERR\n");
2244 c = strchr(buf, '\n');
2245 } while (c == NULL);
2250 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
2252 if (buf[0] == '\0') {
2253 DEBUG(2, ("Invalid Request\n"));
2254 x_fprintf(x_stderr, "ERR\n");
2259 fn(state, buf, length);
2264 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
2265 TALLOC_CTX *mem_ctx;
2266 struct ntlm_auth_state *state;
2268 /* initialize FDescs */
2269 x_setbuf(x_stdout, NULL);
2270 x_setbuf(x_stderr, NULL);
2272 mem_ctx = talloc_init("ntlm_auth");
2274 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2275 x_fprintf(x_stderr, "ERR\n");
2279 state = talloc_zero(mem_ctx, struct ntlm_auth_state);
2281 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2282 x_fprintf(x_stderr, "ERR\n");
2286 state->mem_ctx = mem_ctx;
2287 state->helper_mode = stdio_mode;
2290 manage_squid_request(state, fn);
2295 /* Authenticate a user with a challenge/response */
2297 static bool check_auth_crap(void)
2302 char user_session_key[16];
2304 char *hex_user_session_key;
2306 static uint8 zeros[16];
2308 x_setbuf(x_stdout, NULL);
2311 flags |= WBFLAG_PAM_LMKEY;
2313 if (request_user_session_key)
2314 flags |= WBFLAG_PAM_USER_SESSION_KEY;
2316 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
2318 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
2324 (unsigned char *)lm_key,
2325 (unsigned char *)user_session_key,
2326 &error_string, NULL);
2328 if (!NT_STATUS_IS_OK(nt_status)) {
2329 x_fprintf(x_stdout, "%s (0x%x)\n",
2331 NT_STATUS_V(nt_status));
2332 SAFE_FREE(error_string);
2337 && (memcmp(zeros, lm_key,
2338 sizeof(lm_key)) != 0)) {
2339 hex_lm_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)lm_key,
2341 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
2342 TALLOC_FREE(hex_lm_key);
2344 if (request_user_session_key
2345 && (memcmp(zeros, user_session_key,
2346 sizeof(user_session_key)) != 0)) {
2347 hex_user_session_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)user_session_key,
2348 sizeof(user_session_key));
2349 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
2350 TALLOC_FREE(hex_user_session_key);
2359 OPT_USERNAME = 1000,
2368 OPT_USER_SESSION_KEY,
2370 OPT_REQUIRE_MEMBERSHIP,
2371 OPT_USE_CACHED_CREDS,
2372 OPT_PAM_WINBIND_CONF
2375 int main(int argc, const char **argv)
2377 TALLOC_CTX *frame = talloc_stackframe();
2379 static const char *helper_protocol;
2380 static int diagnostics;
2382 static const char *hex_challenge;
2383 static const char *hex_lm_response;
2384 static const char *hex_nt_response;
2388 /* NOTE: DO NOT change this interface without considering the implications!
2389 This is an external interface, which other programs will use to interact
2393 /* We do not use single-letter command abbreviations, because they harm future
2394 interface stability. */
2396 struct poptOption long_options[] = {
2398 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
2399 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
2400 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
2401 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
2402 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
2403 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
2404 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2405 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
2406 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
2407 { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
2408 { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
2409 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
2410 { "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" },
2411 { "pam-winbind-conf", 0, POPT_ARG_STRING, &opt_pam_winbind_conf, OPT_PAM_WINBIND_CONF, "Require that request must set WBFLAG_PAM_CONTACT_TRUSTDOM when krb5 auth is required" },
2412 POPT_COMMON_CONFIGFILE
2417 /* Samba client initialisation */
2424 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
2426 /* Parse command line options */
2429 poptPrintHelp(pc, stderr, 0);
2433 while((opt = poptGetNextOpt(pc)) != -1) {
2434 /* Get generic config options like --configfile */
2437 poptFreeContext(pc);
2439 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
2440 d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
2441 get_dyn_CONFIGFILE(), strerror(errno));
2445 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
2446 POPT_CONTEXT_KEEP_FIRST);
2448 while((opt = poptGetNextOpt(pc)) != -1) {
2451 opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
2452 if (opt_challenge.length != 8) {
2453 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2455 (int)opt_challenge.length);
2460 opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
2461 if (opt_lm_response.length != 24) {
2462 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2464 (int)opt_lm_response.length);
2470 opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
2471 if (opt_nt_response.length < 24) {
2472 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2474 (int)opt_nt_response.length);
2479 case OPT_REQUIRE_MEMBERSHIP:
2480 if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
2481 require_membership_of_sid = require_membership_of;
2488 char *domain = SMB_STRDUP(opt_username);
2489 char *p = strchr_m(domain, *lp_winbind_separator());
2493 if (opt_domain && !strequal(opt_domain, domain)) {
2494 x_fprintf(x_stderr, "Domain specified in username (%s) "
2495 "doesn't match specified domain (%s)!\n\n",
2496 domain, opt_domain);
2497 poptPrintHelp(pc, stderr, 0);
2500 opt_domain = domain;
2506 /* Note: if opt_domain is "" then send no domain */
2507 if (opt_domain == NULL) {
2508 opt_domain = get_winbind_domain();
2511 if (opt_workstation == NULL) {
2512 opt_workstation = "";
2515 if (helper_protocol) {
2517 for (i=0; i<NUM_HELPER_MODES; i++) {
2518 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2519 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
2523 x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
2525 for (i=0; i<NUM_HELPER_MODES; i++) {
2526 x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
2532 if (!opt_username || !*opt_username) {
2533 x_fprintf(x_stderr, "username must be specified!\n\n");
2534 poptPrintHelp(pc, stderr, 0);
2538 if (opt_challenge.length) {
2539 if (!check_auth_crap()) {
2545 if (!opt_password) {
2546 opt_password = getpass("password: ");
2550 if (!diagnose_ntlm_auth()) {
2556 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2557 if (!check_plaintext_auth(user, opt_password, True)) {
2564 poptFreeContext(pc);