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"
32 #include <iniparser.h>
34 #ifndef PAM_WINBIND_CONFIG_FILE
35 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
38 #define WINBIND_KRB5_AUTH 0x00000080
41 #define DBGC_CLASS DBGC_WINBIND
43 #define INITIAL_BUFFER_SIZE 300
44 #define MAX_BUFFER_SIZE 630000
46 enum stdio_helper_mode {
54 NTLM_CHANGE_PASSWORD_1,
58 enum ntlm_auth_cli_state {
65 enum ntlm_auth_svr_state {
72 struct ntlm_auth_state {
74 enum stdio_helper_mode helper_mode;
75 enum ntlm_auth_cli_state cli_state;
76 enum ntlm_auth_svr_state svr_state;
77 struct ntlmssp_state *ntlmssp_state;
79 char *want_feature_list;
80 bool have_session_key;
81 DATA_BLOB session_key;
82 DATA_BLOB initial_message;
85 typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
88 static void manage_squid_basic_request (struct ntlm_auth_state *state,
89 char *buf, int length);
91 static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
92 char *buf, int length);
94 static void manage_client_ntlmssp_request (struct ntlm_auth_state *state,
95 char *buf, int length);
97 static void manage_gss_spnego_request (struct ntlm_auth_state *state,
98 char *buf, int length);
100 static void manage_gss_spnego_client_request (struct ntlm_auth_state *state,
101 char *buf, int length);
103 static void manage_ntlm_server_1_request (struct ntlm_auth_state *state,
104 char *buf, int length);
106 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
107 char *buf, int length);
109 static const struct {
110 enum stdio_helper_mode mode;
112 stdio_helper_function fn;
113 } stdio_helper_protocols[] = {
114 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
115 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
116 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
117 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
118 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
119 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
120 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
121 { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
122 { NUM_HELPER_MODES, NULL, NULL}
125 const char *opt_username;
126 const char *opt_domain;
127 const char *opt_workstation;
128 const char *opt_password;
129 static DATA_BLOB opt_challenge;
130 static DATA_BLOB opt_lm_response;
131 static DATA_BLOB opt_nt_response;
132 static int request_lm_key;
133 static int request_user_session_key;
134 static int use_cached_creds;
136 static const char *require_membership_of;
137 static const char *require_membership_of_sid;
138 static const char *opt_pam_winbind_conf;
140 static char winbind_separator(void)
142 struct winbindd_response response;
149 ZERO_STRUCT(response);
151 /* Send off request */
153 if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
154 NSS_STATUS_SUCCESS) {
155 d_printf("could not obtain winbind separator!\n");
156 return *lp_winbind_separator();
159 sep = response.data.info.winbind_separator;
163 d_printf("winbind separator was NULL!\n");
164 return *lp_winbind_separator();
170 const char *get_winbind_domain(void)
172 struct winbindd_response response;
174 static fstring winbind_domain;
175 if (*winbind_domain) {
176 return winbind_domain;
179 ZERO_STRUCT(response);
181 /* Send off request */
183 if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
184 NSS_STATUS_SUCCESS) {
185 DEBUG(0, ("could not obtain winbind domain name!\n"));
186 return lp_workgroup();
189 fstrcpy(winbind_domain, response.data.domain_name);
191 return winbind_domain;
195 const char *get_winbind_netbios_name(void)
197 struct winbindd_response response;
199 static fstring winbind_netbios_name;
201 if (*winbind_netbios_name) {
202 return winbind_netbios_name;
205 ZERO_STRUCT(response);
207 /* Send off request */
209 if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
210 NSS_STATUS_SUCCESS) {
211 DEBUG(0, ("could not obtain winbind netbios name!\n"));
212 return global_myname();
215 fstrcpy(winbind_netbios_name, response.data.netbios_name);
217 return winbind_netbios_name;
221 DATA_BLOB get_challenge(void)
223 static DATA_BLOB chal;
224 if (opt_challenge.length)
225 return opt_challenge;
227 chal = data_blob(NULL, 8);
229 generate_random_buffer(chal.data, chal.length);
233 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
234 form DOMAIN/user into a domain and a user */
236 static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
240 char *p = strchr(domuser,winbind_separator());
247 fstrcpy(domain, domuser);
248 domain[PTR_DIFF(p, domuser)] = 0;
254 static bool get_require_membership_sid(void) {
255 struct winbindd_request request;
256 struct winbindd_response response;
258 if (!require_membership_of) {
262 if (require_membership_of_sid) {
266 /* Otherwise, ask winbindd for the name->sid request */
268 ZERO_STRUCT(request);
269 ZERO_STRUCT(response);
271 if (!parse_ntlm_auth_domain_user(require_membership_of,
272 request.data.name.dom_name,
273 request.data.name.name)) {
274 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
275 require_membership_of));
279 if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
280 NSS_STATUS_SUCCESS) {
281 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
282 require_membership_of));
286 require_membership_of_sid = SMB_STRDUP(response.data.sid.sid);
288 if (require_membership_of_sid)
295 * Get some configuration from pam_winbind.conf to see if we
296 * need to contact trusted domain
299 int get_pam_winbind_config()
302 dictionary *d = NULL;
304 if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
305 opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
308 d = iniparser_load(CONST_DISCARD(char *, opt_pam_winbind_conf));
314 if (iniparser_getboolean(d, CONST_DISCARD(char *, "global:krb5_auth"), false)) {
315 ctrl |= WINBIND_KRB5_AUTH;
318 iniparser_freedict(d);
323 /* Authenticate a user with a plaintext password */
325 static bool check_plaintext_auth(const char *user, const char *pass,
326 bool stdout_diagnostics)
328 struct winbindd_request request;
329 struct winbindd_response response;
332 if (!get_require_membership_sid()) {
336 /* Send off request */
338 ZERO_STRUCT(request);
339 ZERO_STRUCT(response);
341 fstrcpy(request.data.auth.user, user);
342 fstrcpy(request.data.auth.pass, pass);
343 if (require_membership_of_sid) {
344 strlcpy(request.data.auth.require_membership_of_sid,
345 require_membership_of_sid,
346 sizeof(request.data.auth.require_membership_of_sid));
349 result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
351 /* Display response */
353 if (stdout_diagnostics) {
354 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
355 d_printf("Reading winbind reply failed! (0x01)\n");
358 d_printf("%s: %s (0x%x)\n",
359 response.data.auth.nt_status_string,
360 response.data.auth.error_string,
361 response.data.auth.nt_status);
363 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
364 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
367 DEBUG(3, ("%s: %s (0x%x)\n",
368 response.data.auth.nt_status_string,
369 response.data.auth.error_string,
370 response.data.auth.nt_status));
373 return (result == NSS_STATUS_SUCCESS);
376 /* authenticate a user with an encrypted username/password */
378 NTSTATUS contact_winbind_auth_crap(const char *username,
380 const char *workstation,
381 const DATA_BLOB *challenge,
382 const DATA_BLOB *lm_response,
383 const DATA_BLOB *nt_response,
386 uint8 user_session_key[16],
392 struct winbindd_request request;
393 struct winbindd_response response;
395 if (!get_require_membership_sid()) {
396 return NT_STATUS_INVALID_PARAMETER;
399 ZERO_STRUCT(request);
400 ZERO_STRUCT(response);
402 request.flags = flags;
404 request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
406 if (require_membership_of_sid)
407 fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
409 fstrcpy(request.data.auth_crap.user, username);
410 fstrcpy(request.data.auth_crap.domain, domain);
412 fstrcpy(request.data.auth_crap.workstation,
415 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
417 if (lm_response && lm_response->length) {
418 memcpy(request.data.auth_crap.lm_resp,
420 MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
421 request.data.auth_crap.lm_resp_len = lm_response->length;
424 if (nt_response && nt_response->length) {
425 if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
426 request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
427 request.extra_len = nt_response->length;
428 request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
429 if (request.extra_data.data == NULL) {
430 return NT_STATUS_NO_MEMORY;
432 memcpy(request.extra_data.data, nt_response->data,
433 nt_response->length);
436 memcpy(request.data.auth_crap.nt_resp,
437 nt_response->data, nt_response->length);
439 request.data.auth_crap.nt_resp_len = nt_response->length;
442 result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
443 SAFE_FREE(request.extra_data.data);
445 /* Display response */
447 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
448 nt_status = NT_STATUS_UNSUCCESSFUL;
450 *error_string = smb_xstrdup("Reading winbind reply failed!");
451 winbindd_free_response(&response);
455 nt_status = (NT_STATUS(response.data.auth.nt_status));
456 if (!NT_STATUS_IS_OK(nt_status)) {
458 *error_string = smb_xstrdup(response.data.auth.error_string);
459 winbindd_free_response(&response);
463 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
464 memcpy(lm_key, response.data.auth.first_8_lm_hash,
465 sizeof(response.data.auth.first_8_lm_hash));
467 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
468 memcpy(user_session_key, response.data.auth.user_session_key,
469 sizeof(response.data.auth.user_session_key));
472 if (flags & WBFLAG_PAM_UNIX_NAME) {
473 *unix_name = SMB_STRDUP(response.data.auth.unix_username);
475 winbindd_free_response(&response);
476 return NT_STATUS_NO_MEMORY;
480 winbindd_free_response(&response);
484 /* contact server to change user password using auth crap */
485 static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
487 const DATA_BLOB new_nt_pswd,
488 const DATA_BLOB old_nt_hash_enc,
489 const DATA_BLOB new_lm_pswd,
490 const DATA_BLOB old_lm_hash_enc,
495 struct winbindd_request request;
496 struct winbindd_response response;
498 if (!get_require_membership_sid())
501 *error_string = smb_xstrdup("Can't get membership sid.");
502 return NT_STATUS_INVALID_PARAMETER;
505 ZERO_STRUCT(request);
506 ZERO_STRUCT(response);
509 fstrcpy(request.data.chng_pswd_auth_crap.user, username);
511 fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
513 if(new_nt_pswd.length)
515 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
516 request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
519 if(old_nt_hash_enc.length)
521 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));
522 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
525 if(new_lm_pswd.length)
527 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
528 request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
531 if(old_lm_hash_enc.length)
533 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));
534 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
537 result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
539 /* Display response */
541 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
543 nt_status = NT_STATUS_UNSUCCESSFUL;
545 *error_string = smb_xstrdup("Reading winbind reply failed!");
546 winbindd_free_response(&response);
550 nt_status = (NT_STATUS(response.data.auth.nt_status));
551 if (!NT_STATUS_IS_OK(nt_status))
554 *error_string = smb_xstrdup(response.data.auth.error_string);
555 winbindd_free_response(&response);
559 winbindd_free_response(&response);
564 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
566 static const char zeros[16] = { 0, };
568 char *error_string = NULL;
570 uint8 user_sess_key[16];
571 char *unix_name = NULL;
573 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
574 ntlmssp_state->workstation,
575 &ntlmssp_state->chal,
576 &ntlmssp_state->lm_resp,
577 &ntlmssp_state->nt_resp,
578 WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
579 lm_key, user_sess_key,
580 &error_string, &unix_name);
582 if (NT_STATUS_IS_OK(nt_status)) {
583 if (memcmp(lm_key, zeros, 8) != 0) {
584 *lm_session_key = data_blob_talloc(ntlmssp_state, NULL, 16);
585 memcpy(lm_session_key->data, lm_key, 8);
586 memset(lm_session_key->data+8, '\0', 8);
589 if (memcmp(user_sess_key, zeros, 16) != 0) {
590 *user_session_key = data_blob_talloc(ntlmssp_state, user_sess_key, 16);
592 ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state,
595 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
596 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
597 ntlmssp_state->domain, ntlmssp_state->user,
598 ntlmssp_state->workstation,
599 error_string ? error_string : "unknown error (NULL)"));
600 ntlmssp_state->auth_context = NULL;
603 SAFE_FREE(error_string);
604 SAFE_FREE(unix_name);
608 static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
611 struct samr_Password lm_pw, nt_pw;
613 nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
615 nt_status = ntlm_password_check(ntlmssp_state,
617 &ntlmssp_state->chal,
618 &ntlmssp_state->lm_resp,
619 &ntlmssp_state->nt_resp,
622 ntlmssp_state->domain,
623 &lm_pw, &nt_pw, user_session_key, lm_session_key);
625 if (NT_STATUS_IS_OK(nt_status)) {
626 ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state,
627 "%s%c%s", ntlmssp_state->domain,
628 *lp_winbind_separator(),
629 ntlmssp_state->user);
631 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
632 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
633 nt_errstr(nt_status)));
634 ntlmssp_state->auth_context = NULL;
639 static NTSTATUS ntlm_auth_start_ntlmssp_client(struct ntlmssp_state **client_ntlmssp_state)
642 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
643 status = NT_STATUS_UNSUCCESSFUL;
644 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
645 return NT_STATUS_INVALID_PARAMETER;
648 status = ntlmssp_client_start(client_ntlmssp_state);
650 if (!NT_STATUS_IS_OK(status)) {
651 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
653 ntlmssp_end(client_ntlmssp_state);
657 status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
659 if (!NT_STATUS_IS_OK(status)) {
660 DEBUG(1, ("Could not set username: %s\n",
662 ntlmssp_end(client_ntlmssp_state);
666 status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
668 if (!NT_STATUS_IS_OK(status)) {
669 DEBUG(1, ("Could not set domain: %s\n",
671 ntlmssp_end(client_ntlmssp_state);
676 status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
678 if (!NT_STATUS_IS_OK(status)) {
679 DEBUG(1, ("Could not set password: %s\n",
681 ntlmssp_end(client_ntlmssp_state);
689 static NTSTATUS ntlm_auth_start_ntlmssp_server(struct ntlmssp_state **ntlmssp_state)
691 NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
693 if (!NT_STATUS_IS_OK(status)) {
694 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
699 /* Have we been given a local password, or should we ask winbind? */
701 (*ntlmssp_state)->check_password = local_pw_check;
702 (*ntlmssp_state)->get_domain = lp_workgroup;
703 (*ntlmssp_state)->get_global_myname = global_myname;
705 (*ntlmssp_state)->check_password = winbind_pw_check;
706 (*ntlmssp_state)->get_domain = get_winbind_domain;
707 (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
712 /*******************************************************************
713 Used by firefox to drive NTLM auth to IIS servers.
714 *******************************************************************/
716 static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
719 struct winbindd_request wb_request;
720 struct winbindd_response wb_response;
724 /* get winbindd to do the ntlmssp step on our behalf */
725 ZERO_STRUCT(wb_request);
726 ZERO_STRUCT(wb_response);
729 * This is tricky here. If we set krb5_auth in pam_winbind.conf
730 * creds for users in trusted domain will be stored the winbindd
731 * child of the trusted domain. If we ask the primary domain for
732 * ntlm_ccache_auth, it will fail. So, we have to ask the trusted
733 * domain's child for ccache_ntlm_auth. that is to say, we have to
734 * set WBFALG_PAM_CONTACT_TRUSTDOM in request.flags.
736 ctrl = get_pam_winbind_config();
738 if (ctrl | WINBIND_KRB5_AUTH) {
739 wb_request.flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
742 fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
743 "%s%c%s", opt_domain, winbind_separator(), opt_username);
744 wb_request.data.ccache_ntlm_auth.uid = geteuid();
745 wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
746 wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
747 wb_request.extra_len = initial_msg.length + challenge_msg.length;
749 if (wb_request.extra_len > 0) {
750 wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
751 if (wb_request.extra_data.data == NULL) {
752 return NT_STATUS_NO_MEMORY;
755 memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
756 memcpy(wb_request.extra_data.data + initial_msg.length,
757 challenge_msg.data, challenge_msg.length);
760 result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
761 SAFE_FREE(wb_request.extra_data.data);
763 if (result != NSS_STATUS_SUCCESS) {
764 winbindd_free_response(&wb_response);
765 return NT_STATUS_UNSUCCESSFUL;
769 *reply = data_blob(wb_response.extra_data.data,
770 wb_response.data.ccache_ntlm_auth.auth_blob_len);
771 if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
772 reply->data == NULL) {
773 winbindd_free_response(&wb_response);
774 return NT_STATUS_NO_MEMORY;
778 winbindd_free_response(&wb_response);
779 return NT_STATUS_MORE_PROCESSING_REQUIRED;
782 static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
783 char *buf, int length)
785 DATA_BLOB request, reply;
788 if (strlen(buf) < 2) {
789 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
790 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
794 if (strlen(buf) > 3) {
795 if(strncmp(buf, "SF ", 3) == 0){
796 DEBUG(10, ("Setting flags to negotioate\n"));
797 TALLOC_FREE(state->want_feature_list);
798 state->want_feature_list = talloc_strdup(state->mem_ctx,
800 x_fprintf(x_stdout, "OK\n");
803 request = base64_decode_data_blob(buf + 3);
805 request = data_blob_null;
808 if ((strncmp(buf, "PW ", 3) == 0)) {
809 /* The calling application wants us to use a local password
810 * (rather than winbindd) */
812 opt_password = SMB_STRNDUP((const char *)request.data,
815 if (opt_password == NULL) {
816 DEBUG(1, ("Out of memory\n"));
817 x_fprintf(x_stdout, "BH Out of memory\n");
818 data_blob_free(&request);
822 x_fprintf(x_stdout, "OK\n");
823 data_blob_free(&request);
827 if (strncmp(buf, "YR", 2) == 0) {
828 if (state->ntlmssp_state)
829 ntlmssp_end(&state->ntlmssp_state);
830 state->svr_state = SERVER_INITIAL;
831 } else if (strncmp(buf, "KK", 2) == 0) {
832 /* No special preprocessing required */
833 } else if (strncmp(buf, "GF", 2) == 0) {
834 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
836 if (state->svr_state == SERVER_FINISHED) {
837 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
840 x_fprintf(x_stdout, "BH\n");
842 data_blob_free(&request);
844 } else if (strncmp(buf, "GK", 2) == 0) {
845 DEBUG(10, ("Requested NTLMSSP session key\n"));
846 if(state->have_session_key) {
847 char *key64 = base64_encode_data_blob(state->mem_ctx,
849 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
852 x_fprintf(x_stdout, "BH\n");
855 data_blob_free(&request);
858 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
859 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
863 if (!state->ntlmssp_state) {
864 nt_status = ntlm_auth_start_ntlmssp_server(
865 &state->ntlmssp_state);
866 if (!NT_STATUS_IS_OK(nt_status)) {
867 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
870 ntlmssp_want_feature_list(state->ntlmssp_state,
871 state->want_feature_list);
874 DEBUG(10, ("got NTLMSSP packet:\n"));
875 dump_data(10, request.data, request.length);
877 nt_status = ntlmssp_update(state->ntlmssp_state, request, &reply);
879 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
880 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
882 x_fprintf(x_stdout, "TT %s\n", reply_base64);
883 TALLOC_FREE(reply_base64);
884 data_blob_free(&reply);
885 state->svr_state = SERVER_CHALLENGE;
886 DEBUG(10, ("NTLMSSP challenge\n"));
887 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
888 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
889 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
891 ntlmssp_end(&state->ntlmssp_state);
892 } else if (!NT_STATUS_IS_OK(nt_status)) {
893 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
894 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
896 x_fprintf(x_stdout, "AF %s\n",
897 (char *)state->ntlmssp_state->auth_context);
898 DEBUG(10, ("NTLMSSP OK!\n"));
900 if(state->have_session_key)
901 data_blob_free(&state->session_key);
902 state->session_key = data_blob(
903 state->ntlmssp_state->session_key.data,
904 state->ntlmssp_state->session_key.length);
905 state->neg_flags = state->ntlmssp_state->neg_flags;
906 state->have_session_key = true;
907 state->svr_state = SERVER_FINISHED;
910 data_blob_free(&request);
913 static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
914 char *buf, int length)
916 DATA_BLOB request, reply;
919 if (!opt_username || !*opt_username) {
920 x_fprintf(x_stderr, "username must be specified!\n\n");
924 if (strlen(buf) < 2) {
925 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
926 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
930 if (strlen(buf) > 3) {
931 if(strncmp(buf, "SF ", 3) == 0) {
932 DEBUG(10, ("Looking for flags to negotiate\n"));
933 talloc_free(state->want_feature_list);
934 state->want_feature_list = talloc_strdup(state->mem_ctx,
936 x_fprintf(x_stdout, "OK\n");
939 request = base64_decode_data_blob(buf + 3);
941 request = data_blob_null;
944 if (strncmp(buf, "PW ", 3) == 0) {
945 /* We asked for a password and obviously got it :-) */
947 opt_password = SMB_STRNDUP((const char *)request.data,
950 if (opt_password == NULL) {
951 DEBUG(1, ("Out of memory\n"));
952 x_fprintf(x_stdout, "BH Out of memory\n");
953 data_blob_free(&request);
957 x_fprintf(x_stdout, "OK\n");
958 data_blob_free(&request);
962 if (!state->ntlmssp_state && use_cached_creds) {
963 /* check whether cached credentials are usable. */
964 DATA_BLOB empty_blob = data_blob_null;
966 nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
967 if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
968 /* failed to use cached creds */
969 use_cached_creds = False;
973 if (opt_password == NULL && !use_cached_creds) {
974 /* Request a password from the calling process. After
975 sending it, the calling process should retry asking for the
978 DEBUG(10, ("Requesting password\n"));
979 x_fprintf(x_stdout, "PW\n");
983 if (strncmp(buf, "YR", 2) == 0) {
984 if (state->ntlmssp_state)
985 ntlmssp_end(&state->ntlmssp_state);
986 state->cli_state = CLIENT_INITIAL;
987 } else if (strncmp(buf, "TT", 2) == 0) {
988 /* No special preprocessing required */
989 } else if (strncmp(buf, "GF", 2) == 0) {
990 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
992 if(state->cli_state == CLIENT_FINISHED) {
993 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
996 x_fprintf(x_stdout, "BH\n");
999 data_blob_free(&request);
1001 } else if (strncmp(buf, "GK", 2) == 0 ) {
1002 DEBUG(10, ("Requested session key\n"));
1004 if(state->cli_state == CLIENT_FINISHED) {
1005 char *key64 = base64_encode_data_blob(state->mem_ctx,
1006 state->session_key);
1007 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
1011 x_fprintf(x_stdout, "BH\n");
1014 data_blob_free(&request);
1017 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
1018 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
1022 if (!state->ntlmssp_state) {
1023 nt_status = ntlm_auth_start_ntlmssp_client(
1024 &state->ntlmssp_state);
1025 if (!NT_STATUS_IS_OK(nt_status)) {
1026 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1029 ntlmssp_want_feature_list(state->ntlmssp_state,
1030 state->want_feature_list);
1031 state->initial_message = data_blob_null;
1034 DEBUG(10, ("got NTLMSSP packet:\n"));
1035 dump_data(10, request.data, request.length);
1037 if (use_cached_creds && !opt_password &&
1038 (state->cli_state == CLIENT_RESPONSE)) {
1039 nt_status = do_ccache_ntlm_auth(state->initial_message, request,
1042 nt_status = ntlmssp_update(state->ntlmssp_state, request,
1046 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1047 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
1049 if (state->cli_state == CLIENT_INITIAL) {
1050 x_fprintf(x_stdout, "YR %s\n", reply_base64);
1051 state->initial_message = reply;
1052 state->cli_state = CLIENT_RESPONSE;
1054 x_fprintf(x_stdout, "KK %s\n", reply_base64);
1055 data_blob_free(&reply);
1057 TALLOC_FREE(reply_base64);
1058 DEBUG(10, ("NTLMSSP challenge\n"));
1059 } else if (NT_STATUS_IS_OK(nt_status)) {
1060 char *reply_base64 = base64_encode_data_blob(talloc_tos(),
1062 x_fprintf(x_stdout, "AF %s\n", reply_base64);
1063 TALLOC_FREE(reply_base64);
1065 if(state->have_session_key)
1066 data_blob_free(&state->session_key);
1068 state->session_key = data_blob(
1069 state->ntlmssp_state->session_key.data,
1070 state->ntlmssp_state->session_key.length);
1071 state->neg_flags = state->ntlmssp_state->neg_flags;
1072 state->have_session_key = true;
1074 DEBUG(10, ("NTLMSSP OK!\n"));
1075 state->cli_state = CLIENT_FINISHED;
1076 if (state->ntlmssp_state)
1077 ntlmssp_end(&state->ntlmssp_state);
1079 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1080 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
1081 state->cli_state = CLIENT_ERROR;
1082 if (state->ntlmssp_state)
1083 ntlmssp_end(&state->ntlmssp_state);
1086 data_blob_free(&request);
1089 static void manage_squid_basic_request(struct ntlm_auth_state *state,
1090 char *buf, int length)
1095 pass=(char *)memchr(buf,' ',length);
1097 DEBUG(2, ("Password not found. Denying access\n"));
1098 x_fprintf(x_stdout, "ERR\n");
1104 if (state->helper_mode == SQUID_2_5_BASIC) {
1105 rfc1738_unescape(user);
1106 rfc1738_unescape(pass);
1109 if (check_plaintext_auth(user, pass, False)) {
1110 x_fprintf(x_stdout, "OK\n");
1112 x_fprintf(x_stdout, "ERR\n");
1116 static void offer_gss_spnego_mechs(void) {
1119 struct spnego_data spnego;
1122 TALLOC_CTX *ctx = talloc_tos();
1126 ZERO_STRUCT(spnego);
1128 myname_lower = talloc_strdup(ctx, global_myname());
1129 if (!myname_lower) {
1132 strlower_m(myname_lower);
1134 principal = talloc_asprintf(ctx, "%s$@%s", myname_lower, lp_realm());
1139 /* Server negTokenInit (mech offerings) */
1140 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1141 spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
1143 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
1144 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
1145 spnego.negTokenInit.mechTypes[2] = NULL;
1147 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
1148 spnego.negTokenInit.mechTypes[1] = NULL;
1152 spnego.negTokenInit.mechListMIC = data_blob(principal,
1155 len = spnego_write_data(ctx, &token, &spnego);
1156 spnego_free_data(&spnego);
1159 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1160 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1164 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1165 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
1167 TALLOC_FREE(reply_base64);
1168 data_blob_free(&token);
1169 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1173 static void manage_gss_spnego_request(struct ntlm_auth_state *state,
1174 char *buf, int length)
1176 static struct ntlmssp_state *ntlmssp_state = NULL;
1177 struct spnego_data request, response;
1181 TALLOC_CTX *ctx = talloc_tos();
1184 char *domain = NULL;
1186 const char *reply_code;
1188 char *reply_argument = NULL;
1190 if (strlen(buf) < 2) {
1191 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1192 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1196 if (strncmp(buf, "YR", 2) == 0) {
1198 ntlmssp_end(&ntlmssp_state);
1199 } else if (strncmp(buf, "KK", 2) == 0) {
1202 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1203 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1207 if ( (strlen(buf) == 2)) {
1209 /* no client data, get the negTokenInit offering
1212 offer_gss_spnego_mechs();
1216 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1218 if (strlen(buf) <= 3) {
1219 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
1220 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1224 token = base64_decode_data_blob(buf + 3);
1225 len = spnego_read_data(ctx, token, &request);
1226 data_blob_free(&token);
1229 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
1230 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1234 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
1236 /* Second request from Client. This is where the
1237 client offers its mechanism to use. */
1239 if ( (request.negTokenInit.mechTypes == NULL) ||
1240 (request.negTokenInit.mechTypes[0] == NULL) ) {
1241 DEBUG(1, ("Client did not offer any mechanism"));
1242 x_fprintf(x_stdout, "BH Client did not offer any "
1247 status = NT_STATUS_UNSUCCESSFUL;
1248 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
1250 if ( request.negTokenInit.mechToken.data == NULL ) {
1251 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1252 x_fprintf(x_stdout, "BH Client did not provide "
1257 if ( ntlmssp_state != NULL ) {
1258 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1259 "already got one\n"));
1260 x_fprintf(x_stdout, "BH Client wants a new "
1261 "NTLMSSP challenge, but "
1262 "already got one\n");
1263 ntlmssp_end(&ntlmssp_state);
1267 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
1268 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1272 DEBUG(10, ("got NTLMSSP packet:\n"));
1273 dump_data(10, request.negTokenInit.mechToken.data,
1274 request.negTokenInit.mechToken.length);
1276 response.type = SPNEGO_NEG_TOKEN_TARG;
1277 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1278 response.negTokenTarg.mechListMIC = data_blob_null;
1280 status = ntlmssp_update(ntlmssp_state,
1281 request.negTokenInit.mechToken,
1282 &response.negTokenTarg.responseToken);
1286 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
1288 TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
1291 DATA_BLOB session_key;
1292 struct PAC_DATA *pac_data = NULL;
1294 if ( request.negTokenInit.mechToken.data == NULL ) {
1295 DEBUG(1, ("Client did not provide Kerberos data\n"));
1296 x_fprintf(x_stdout, "BH Client did not provide "
1301 response.type = SPNEGO_NEG_TOKEN_TARG;
1302 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
1303 response.negTokenTarg.mechListMIC = data_blob_null;
1304 response.negTokenTarg.responseToken = data_blob_null;
1306 status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
1307 &request.negTokenInit.mechToken,
1308 &principal, &pac_data, &ap_rep,
1309 &session_key, True);
1311 /* Now in "principal" we have the name we are
1312 authenticated as. */
1314 if (NT_STATUS_IS_OK(status)) {
1316 domain = strchr_m(principal, '@');
1318 if (domain == NULL) {
1319 DEBUG(1, ("Did not get a valid principal "
1320 "from ads_verify_ticket\n"));
1321 x_fprintf(x_stdout, "BH Did not get a "
1322 "valid principal from "
1323 "ads_verify_ticket\n");
1328 domain = SMB_STRDUP(domain);
1329 user = SMB_STRDUP(principal);
1331 data_blob_free(&ap_rep);
1334 TALLOC_FREE(mem_ctx);
1340 if ( (request.negTokenTarg.supportedMech == NULL) ||
1341 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
1342 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1343 is the only one we support that sends this stuff */
1344 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1345 request.negTokenTarg.supportedMech));
1346 x_fprintf(x_stdout, "BH Got a negTokenTarg for "
1347 "something non-NTLMSSP\n");
1351 if (request.negTokenTarg.responseToken.data == NULL) {
1352 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1353 x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
1354 "responseToken!\n");
1358 status = ntlmssp_update(ntlmssp_state,
1359 request.negTokenTarg.responseToken,
1360 &response.negTokenTarg.responseToken);
1362 response.type = SPNEGO_NEG_TOKEN_TARG;
1363 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1364 response.negTokenTarg.mechListMIC = data_blob_null;
1366 if (NT_STATUS_IS_OK(status)) {
1367 user = SMB_STRDUP(ntlmssp_state->user);
1368 domain = SMB_STRDUP(ntlmssp_state->domain);
1369 ntlmssp_end(&ntlmssp_state);
1373 spnego_free_data(&request);
1375 if (NT_STATUS_IS_OK(status)) {
1376 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
1378 reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
1379 } else if (NT_STATUS_EQUAL(status,
1380 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1381 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1383 reply_argument = talloc_strdup(ctx, "*");
1385 response.negTokenTarg.negResult = SPNEGO_REJECT;
1387 reply_argument = talloc_strdup(ctx, nt_errstr(status));
1390 if (!reply_argument) {
1391 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1392 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1399 len = spnego_write_data(ctx, &token, &response);
1400 spnego_free_data(&response);
1403 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1404 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1408 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1410 x_fprintf(x_stdout, "%s %s %s\n",
1411 reply_code, reply_base64, reply_argument);
1413 TALLOC_FREE(reply_base64);
1414 data_blob_free(&token);
1419 static struct ntlmssp_state *client_ntlmssp_state = NULL;
1421 static bool manage_client_ntlmssp_init(struct spnego_data spnego)
1424 DATA_BLOB null_blob = data_blob_null;
1425 DATA_BLOB to_server;
1426 char *to_server_base64;
1427 const char *my_mechs[] = {OID_NTLMSSP, NULL};
1428 TALLOC_CTX *ctx = talloc_tos();
1430 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1432 if (client_ntlmssp_state != NULL) {
1433 DEBUG(1, ("Request for initial SPNEGO request where "
1434 "we already have a state\n"));
1438 if (!client_ntlmssp_state) {
1439 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
1440 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1446 if (opt_password == NULL) {
1448 /* Request a password from the calling process. After
1449 sending it, the calling process should retry with
1450 the negTokenInit. */
1452 DEBUG(10, ("Requesting password\n"));
1453 x_fprintf(x_stdout, "PW\n");
1457 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1458 spnego.negTokenInit.mechTypes = my_mechs;
1459 spnego.negTokenInit.reqFlags = data_blob_null;
1460 spnego.negTokenInit.reqFlagsPadding = 0;
1461 spnego.negTokenInit.mechListMIC = null_blob;
1463 status = ntlmssp_update(client_ntlmssp_state, null_blob,
1464 &spnego.negTokenInit.mechToken);
1466 if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
1467 NT_STATUS_IS_OK(status)) ) {
1468 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1469 nt_errstr(status)));
1470 ntlmssp_end(&client_ntlmssp_state);
1474 spnego_write_data(ctx, &to_server, &spnego);
1475 data_blob_free(&spnego.negTokenInit.mechToken);
1477 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1478 data_blob_free(&to_server);
1479 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1480 TALLOC_FREE(to_server_base64);
1484 static void manage_client_ntlmssp_targ(struct spnego_data spnego)
1487 DATA_BLOB null_blob = data_blob_null;
1489 DATA_BLOB to_server;
1490 char *to_server_base64;
1491 TALLOC_CTX *ctx = talloc_tos();
1493 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1495 if (client_ntlmssp_state == NULL) {
1496 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1497 x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
1501 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
1502 x_fprintf(x_stdout, "NA\n");
1503 ntlmssp_end(&client_ntlmssp_state);
1507 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
1508 x_fprintf(x_stdout, "AF\n");
1509 ntlmssp_end(&client_ntlmssp_state);
1513 status = ntlmssp_update(client_ntlmssp_state,
1514 spnego.negTokenTarg.responseToken,
1517 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1518 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1519 "ntlmssp_client_update, got: %s\n",
1520 nt_errstr(status)));
1521 x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
1522 "ntlmssp_client_update\n");
1523 data_blob_free(&request);
1524 ntlmssp_end(&client_ntlmssp_state);
1528 spnego.type = SPNEGO_NEG_TOKEN_TARG;
1529 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1530 spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
1531 spnego.negTokenTarg.responseToken = request;
1532 spnego.negTokenTarg.mechListMIC = null_blob;
1534 spnego_write_data(ctx, &to_server, &spnego);
1535 data_blob_free(&request);
1537 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1538 data_blob_free(&to_server);
1539 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1540 TALLOC_FREE(to_server_base64);
1546 static bool manage_client_krb5_init(struct spnego_data spnego)
1549 DATA_BLOB tkt, to_server;
1550 DATA_BLOB session_key_krb5 = data_blob_null;
1551 struct spnego_data reply;
1555 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
1557 TALLOC_CTX *ctx = talloc_tos();
1559 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
1560 (spnego.negTokenInit.mechListMIC.length == 0) ) {
1561 DEBUG(1, ("Did not get a principal for krb5\n"));
1565 principal = (char *)SMB_MALLOC(
1566 spnego.negTokenInit.mechListMIC.length+1);
1568 if (principal == NULL) {
1569 DEBUG(1, ("Could not malloc principal\n"));
1573 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
1574 spnego.negTokenInit.mechListMIC.length);
1575 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
1577 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL, NULL);
1582 /* Let's try to first get the TGT, for that we need a
1585 if (opt_password == NULL) {
1586 DEBUG(10, ("Requesting password\n"));
1587 x_fprintf(x_stdout, "PW\n");
1591 user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
1596 if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
1597 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
1601 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL, NULL);
1604 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
1609 data_blob_free(&session_key_krb5);
1613 reply.type = SPNEGO_NEG_TOKEN_INIT;
1614 reply.negTokenInit.mechTypes = my_mechs;
1615 reply.negTokenInit.reqFlags = data_blob_null;
1616 reply.negTokenInit.reqFlagsPadding = 0;
1617 reply.negTokenInit.mechToken = tkt;
1618 reply.negTokenInit.mechListMIC = data_blob_null;
1620 len = spnego_write_data(ctx, &to_server, &reply);
1621 data_blob_free(&tkt);
1624 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1628 reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1629 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
1631 TALLOC_FREE(reply_base64);
1632 data_blob_free(&to_server);
1633 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1637 static void manage_client_krb5_targ(struct spnego_data spnego)
1639 switch (spnego.negTokenTarg.negResult) {
1640 case SPNEGO_ACCEPT_INCOMPLETE:
1641 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1642 x_fprintf(x_stdout, "BH Got a Kerberos negTokenTarg with "
1643 "ACCEPT_INCOMPLETE\n");
1645 case SPNEGO_ACCEPT_COMPLETED:
1646 DEBUG(10, ("Accept completed\n"));
1647 x_fprintf(x_stdout, "AF\n");
1650 DEBUG(10, ("Rejected\n"));
1651 x_fprintf(x_stdout, "NA\n");
1654 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1655 x_fprintf(x_stdout, "AF\n");
1661 static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
1662 char *buf, int length)
1665 struct spnego_data spnego;
1667 TALLOC_CTX *ctx = talloc_tos();
1669 if (!opt_username || !*opt_username) {
1670 x_fprintf(x_stderr, "username must be specified!\n\n");
1674 if (strlen(buf) <= 3) {
1675 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
1676 x_fprintf(x_stdout, "BH SPNEGO query too short\n");
1680 request = base64_decode_data_blob(buf+3);
1682 if (strncmp(buf, "PW ", 3) == 0) {
1684 /* We asked for a password and obviously got it :-) */
1686 opt_password = SMB_STRNDUP((const char *)request.data, request.length);
1688 if (opt_password == NULL) {
1689 DEBUG(1, ("Out of memory\n"));
1690 x_fprintf(x_stdout, "BH Out of memory\n");
1691 data_blob_free(&request);
1695 x_fprintf(x_stdout, "OK\n");
1696 data_blob_free(&request);
1700 if ( (strncmp(buf, "TT ", 3) != 0) &&
1701 (strncmp(buf, "AF ", 3) != 0) &&
1702 (strncmp(buf, "NA ", 3) != 0) ) {
1703 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
1704 x_fprintf(x_stdout, "BH SPNEGO request invalid\n");
1705 data_blob_free(&request);
1709 /* So we got a server challenge to generate a SPNEGO
1710 client-to-server request... */
1712 len = spnego_read_data(ctx, request, &spnego);
1713 data_blob_free(&request);
1716 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1717 x_fprintf(x_stdout, "BH Could not read SPNEGO data\n");
1721 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1723 /* The server offers a list of mechanisms */
1725 const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
1727 while (*mechType != NULL) {
1730 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1731 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1732 if (manage_client_krb5_init(spnego))
1737 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1738 if (manage_client_ntlmssp_init(spnego))
1745 DEBUG(1, ("Server offered no compatible mechanism\n"));
1746 x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
1750 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1752 if (spnego.negTokenTarg.supportedMech == NULL) {
1753 /* On accept/reject Windows does not send the
1754 mechanism anymore. Handle that here and
1755 shut down the mechanisms. */
1757 switch (spnego.negTokenTarg.negResult) {
1758 case SPNEGO_ACCEPT_COMPLETED:
1759 x_fprintf(x_stdout, "AF\n");
1762 x_fprintf(x_stdout, "NA\n");
1765 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1766 "unknown negResult: %d\n",
1767 spnego.negTokenTarg.negResult));
1768 x_fprintf(x_stdout, "BH Got a negTokenTarg with"
1769 " no mech and an unknown "
1773 ntlmssp_end(&client_ntlmssp_state);
1777 if (strcmp(spnego.negTokenTarg.supportedMech,
1778 OID_NTLMSSP) == 0) {
1779 manage_client_ntlmssp_targ(spnego);
1784 if (strcmp(spnego.negTokenTarg.supportedMech,
1785 OID_KERBEROS5_OLD) == 0) {
1786 manage_client_krb5_targ(spnego);
1793 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1794 x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
1798 spnego_free_data(&spnego);
1802 static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
1803 char *buf, int length)
1805 char *request, *parameter;
1806 static DATA_BLOB challenge;
1807 static DATA_BLOB lm_response;
1808 static DATA_BLOB nt_response;
1809 static char *full_username;
1810 static char *username;
1811 static char *domain;
1812 static char *plaintext_password;
1813 static bool ntlm_server_1_user_session_key;
1814 static bool ntlm_server_1_lm_session_key;
1816 if (strequal(buf, ".")) {
1817 if (!full_username && !username) {
1818 x_fprintf(x_stdout, "Error: No username supplied!\n");
1819 } else if (plaintext_password) {
1820 /* handle this request as plaintext */
1821 if (!full_username) {
1822 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1823 x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
1827 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1828 x_fprintf(x_stdout, "Authenticated: Yes\n");
1830 x_fprintf(x_stdout, "Authenticated: No\n");
1832 } else if (!lm_response.data && !nt_response.data) {
1833 x_fprintf(x_stdout, "Error: No password supplied!\n");
1834 } else if (!challenge.data) {
1835 x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
1837 char *error_string = NULL;
1839 uchar user_session_key[16];
1842 if (full_username && !username) {
1844 fstring fstr_domain;
1846 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1847 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1848 x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
1850 SAFE_FREE(username);
1852 username = smb_xstrdup(fstr_user);
1853 domain = smb_xstrdup(fstr_domain);
1857 domain = smb_xstrdup(get_winbind_domain());
1860 if (ntlm_server_1_lm_session_key)
1861 flags |= WBFLAG_PAM_LMKEY;
1863 if (ntlm_server_1_user_session_key)
1864 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1866 if (!NT_STATUS_IS_OK(
1867 contact_winbind_auth_crap(username,
1879 x_fprintf(x_stdout, "Authenticated: No\n");
1880 x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
1882 static char zeros[16];
1884 char *hex_user_session_key;
1886 x_fprintf(x_stdout, "Authenticated: Yes\n");
1888 if (ntlm_server_1_lm_session_key
1889 && (memcmp(zeros, lm_key,
1890 sizeof(lm_key)) != 0)) {
1891 hex_lm_key = hex_encode_talloc(NULL,
1892 (const unsigned char *)lm_key,
1894 x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
1895 TALLOC_FREE(hex_lm_key);
1898 if (ntlm_server_1_user_session_key
1899 && (memcmp(zeros, user_session_key,
1900 sizeof(user_session_key)) != 0)) {
1901 hex_user_session_key = hex_encode_talloc(NULL,
1902 (const unsigned char *)user_session_key,
1903 sizeof(user_session_key));
1904 x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
1905 TALLOC_FREE(hex_user_session_key);
1908 SAFE_FREE(error_string);
1910 /* clear out the state */
1911 challenge = data_blob_null;
1912 nt_response = data_blob_null;
1913 lm_response = data_blob_null;
1914 SAFE_FREE(full_username);
1915 SAFE_FREE(username);
1917 SAFE_FREE(plaintext_password);
1918 ntlm_server_1_user_session_key = False;
1919 ntlm_server_1_lm_session_key = False;
1920 x_fprintf(x_stdout, ".\n");
1927 /* Indicates a base64 encoded structure */
1928 parameter = strstr_m(request, ":: ");
1930 parameter = strstr_m(request, ": ");
1933 DEBUG(0, ("Parameter not found!\n"));
1934 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
1951 base64_decode_inplace(parameter);
1954 if (strequal(request, "LANMAN-Challenge")) {
1955 challenge = strhex_to_data_blob(NULL, parameter);
1956 if (challenge.length != 8) {
1957 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1959 (int)challenge.length);
1960 challenge = data_blob_null;
1962 } else if (strequal(request, "NT-Response")) {
1963 nt_response = strhex_to_data_blob(NULL, parameter);
1964 if (nt_response.length < 24) {
1965 x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1967 (int)nt_response.length);
1968 nt_response = data_blob_null;
1970 } else if (strequal(request, "LANMAN-Response")) {
1971 lm_response = strhex_to_data_blob(NULL, parameter);
1972 if (lm_response.length != 24) {
1973 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1975 (int)lm_response.length);
1976 lm_response = data_blob_null;
1978 } else if (strequal(request, "Password")) {
1979 plaintext_password = smb_xstrdup(parameter);
1980 } else if (strequal(request, "NT-Domain")) {
1981 domain = smb_xstrdup(parameter);
1982 } else if (strequal(request, "Username")) {
1983 username = smb_xstrdup(parameter);
1984 } else if (strequal(request, "Full-Username")) {
1985 full_username = smb_xstrdup(parameter);
1986 } else if (strequal(request, "Request-User-Session-Key")) {
1987 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
1988 } else if (strequal(request, "Request-LanMan-Session-Key")) {
1989 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
1991 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
1995 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
1996 char *buf, int length)
1998 char *request, *parameter;
1999 static DATA_BLOB new_nt_pswd;
2000 static DATA_BLOB old_nt_hash_enc;
2001 static DATA_BLOB new_lm_pswd;
2002 static DATA_BLOB old_lm_hash_enc;
2003 static char *full_username = NULL;
2004 static char *username = NULL;
2005 static char *domain = NULL;
2006 static char *newpswd = NULL;
2007 static char *oldpswd = NULL;
2009 if (strequal(buf, ".")) {
2010 if(newpswd && oldpswd) {
2011 uchar old_nt_hash[16];
2012 uchar old_lm_hash[16];
2013 uchar new_nt_hash[16];
2014 uchar new_lm_hash[16];
2016 new_nt_pswd = data_blob(NULL, 516);
2017 old_nt_hash_enc = data_blob(NULL, 16);
2019 /* Calculate the MD4 hash (NT compatible) of the
2021 E_md4hash(oldpswd, old_nt_hash);
2022 E_md4hash(newpswd, new_nt_hash);
2024 /* E_deshash returns false for 'long'
2025 passwords (> 14 DOS chars).
2027 Therefore, don't send a buffer
2028 encrypted with the truncated hash
2029 (it could allow an even easier
2030 attack on the password)
2032 Likewise, obey the admin's restriction
2035 if (lp_client_lanman_auth() &&
2036 E_deshash(newpswd, new_lm_hash) &&
2037 E_deshash(oldpswd, old_lm_hash)) {
2038 new_lm_pswd = data_blob(NULL, 516);
2039 old_lm_hash_enc = data_blob(NULL, 16);
2040 encode_pw_buffer(new_lm_pswd.data, newpswd,
2043 arcfour_crypt(new_lm_pswd.data, old_nt_hash, 516);
2044 E_old_pw_hash(new_nt_hash, old_lm_hash,
2045 old_lm_hash_enc.data);
2047 new_lm_pswd.data = NULL;
2048 new_lm_pswd.length = 0;
2049 old_lm_hash_enc.data = NULL;
2050 old_lm_hash_enc.length = 0;
2053 encode_pw_buffer(new_nt_pswd.data, newpswd,
2056 arcfour_crypt(new_nt_pswd.data, old_nt_hash, 516);
2057 E_old_pw_hash(new_nt_hash, old_nt_hash,
2058 old_nt_hash_enc.data);
2061 if (!full_username && !username) {
2062 x_fprintf(x_stdout, "Error: No username supplied!\n");
2063 } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
2064 (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
2065 x_fprintf(x_stdout, "Error: No NT or LM password "
2066 "blobs supplied!\n");
2068 char *error_string = NULL;
2070 if (full_username && !username) {
2072 fstring fstr_domain;
2074 if (!parse_ntlm_auth_domain_user(full_username,
2077 /* username might be 'tainted', don't
2078 * print into our new-line
2079 * deleimianted stream */
2080 x_fprintf(x_stdout, "Error: Could not "
2081 "parse into domain and "
2083 SAFE_FREE(username);
2084 username = smb_xstrdup(full_username);
2086 SAFE_FREE(username);
2088 username = smb_xstrdup(fstr_user);
2089 domain = smb_xstrdup(fstr_domain);
2094 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2101 x_fprintf(x_stdout, "Password-Change: No\n");
2102 x_fprintf(x_stdout, "Password-Change-Error: "
2103 "%s\n.\n", error_string);
2105 x_fprintf(x_stdout, "Password-Change: Yes\n");
2108 SAFE_FREE(error_string);
2110 /* clear out the state */
2111 new_nt_pswd = data_blob_null;
2112 old_nt_hash_enc = data_blob_null;
2113 new_lm_pswd = data_blob_null;
2114 old_nt_hash_enc = data_blob_null;
2115 SAFE_FREE(full_username);
2116 SAFE_FREE(username);
2120 x_fprintf(x_stdout, ".\n");
2127 /* Indicates a base64 encoded structure */
2128 parameter = strstr_m(request, ":: ");
2130 parameter = strstr_m(request, ": ");
2133 DEBUG(0, ("Parameter not found!\n"));
2134 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
2150 base64_decode_inplace(parameter);
2153 if (strequal(request, "new-nt-password-blob")) {
2154 new_nt_pswd = strhex_to_data_blob(NULL, parameter);
2155 if (new_nt_pswd.length != 516) {
2156 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2157 "(got %d bytes, expected 516)\n.\n",
2159 (int)new_nt_pswd.length);
2160 new_nt_pswd = data_blob_null;
2162 } else if (strequal(request, "old-nt-hash-blob")) {
2163 old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
2164 if (old_nt_hash_enc.length != 16) {
2165 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2166 "(got %d bytes, expected 16)\n.\n",
2168 (int)old_nt_hash_enc.length);
2169 old_nt_hash_enc = data_blob_null;
2171 } else if (strequal(request, "new-lm-password-blob")) {
2172 new_lm_pswd = strhex_to_data_blob(NULL, parameter);
2173 if (new_lm_pswd.length != 516) {
2174 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2175 "(got %d bytes, expected 516)\n.\n",
2177 (int)new_lm_pswd.length);
2178 new_lm_pswd = data_blob_null;
2181 else if (strequal(request, "old-lm-hash-blob")) {
2182 old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
2183 if (old_lm_hash_enc.length != 16)
2185 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2186 "(got %d bytes, expected 16)\n.\n",
2188 (int)old_lm_hash_enc.length);
2189 old_lm_hash_enc = data_blob_null;
2191 } else if (strequal(request, "nt-domain")) {
2192 domain = smb_xstrdup(parameter);
2193 } else if(strequal(request, "username")) {
2194 username = smb_xstrdup(parameter);
2195 } else if(strequal(request, "full-username")) {
2196 username = smb_xstrdup(parameter);
2197 } else if(strequal(request, "new-password")) {
2198 newpswd = smb_xstrdup(parameter);
2199 } else if (strequal(request, "old-password")) {
2200 oldpswd = smb_xstrdup(parameter);
2202 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
2206 static void manage_squid_request(struct ntlm_auth_state *state,
2207 stdio_helper_function fn)
2210 char tmp[INITIAL_BUFFER_SIZE+1];
2211 int length, buf_size = 0;
2214 buf = talloc_strdup(state->mem_ctx, "");
2216 DEBUG(0, ("Failed to allocate input buffer.\n"));
2217 x_fprintf(x_stderr, "ERR\n");
2223 /* this is not a typo - x_fgets doesn't work too well under
2225 if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
2226 if (ferror(stdin)) {
2227 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2228 "(%s)\n", ferror(stdin),
2229 strerror(ferror(stdin))));
2236 buf = talloc_strdup_append_buffer(buf, tmp);
2237 buf_size += INITIAL_BUFFER_SIZE;
2239 if (buf_size > MAX_BUFFER_SIZE) {
2240 DEBUG(2, ("Oversized message\n"));
2241 x_fprintf(x_stderr, "ERR\n");
2246 c = strchr(buf, '\n');
2247 } while (c == NULL);
2252 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
2254 if (buf[0] == '\0') {
2255 DEBUG(2, ("Invalid Request\n"));
2256 x_fprintf(x_stderr, "ERR\n");
2261 fn(state, buf, length);
2266 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
2267 TALLOC_CTX *mem_ctx;
2268 struct ntlm_auth_state *state;
2270 /* initialize FDescs */
2271 x_setbuf(x_stdout, NULL);
2272 x_setbuf(x_stderr, NULL);
2274 mem_ctx = talloc_init("ntlm_auth");
2276 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2277 x_fprintf(x_stderr, "ERR\n");
2281 state = talloc_zero(mem_ctx, struct ntlm_auth_state);
2283 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2284 x_fprintf(x_stderr, "ERR\n");
2288 state->mem_ctx = mem_ctx;
2289 state->helper_mode = stdio_mode;
2292 manage_squid_request(state, fn);
2297 /* Authenticate a user with a challenge/response */
2299 static bool check_auth_crap(void)
2304 char user_session_key[16];
2306 char *hex_user_session_key;
2308 static uint8 zeros[16];
2310 x_setbuf(x_stdout, NULL);
2313 flags |= WBFLAG_PAM_LMKEY;
2315 if (request_user_session_key)
2316 flags |= WBFLAG_PAM_USER_SESSION_KEY;
2318 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
2320 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
2326 (unsigned char *)lm_key,
2327 (unsigned char *)user_session_key,
2328 &error_string, NULL);
2330 if (!NT_STATUS_IS_OK(nt_status)) {
2331 x_fprintf(x_stdout, "%s (0x%x)\n",
2333 NT_STATUS_V(nt_status));
2334 SAFE_FREE(error_string);
2339 && (memcmp(zeros, lm_key,
2340 sizeof(lm_key)) != 0)) {
2341 hex_lm_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)lm_key,
2343 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
2344 TALLOC_FREE(hex_lm_key);
2346 if (request_user_session_key
2347 && (memcmp(zeros, user_session_key,
2348 sizeof(user_session_key)) != 0)) {
2349 hex_user_session_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)user_session_key,
2350 sizeof(user_session_key));
2351 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
2352 TALLOC_FREE(hex_user_session_key);
2361 OPT_USERNAME = 1000,
2370 OPT_USER_SESSION_KEY,
2372 OPT_REQUIRE_MEMBERSHIP,
2373 OPT_USE_CACHED_CREDS,
2374 OPT_PAM_WINBIND_CONF
2377 int main(int argc, const char **argv)
2379 TALLOC_CTX *frame = talloc_stackframe();
2381 static const char *helper_protocol;
2382 static int diagnostics;
2384 static const char *hex_challenge;
2385 static const char *hex_lm_response;
2386 static const char *hex_nt_response;
2390 /* NOTE: DO NOT change this interface without considering the implications!
2391 This is an external interface, which other programs will use to interact
2395 /* We do not use single-letter command abbreviations, because they harm future
2396 interface stability. */
2398 struct poptOption long_options[] = {
2400 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
2401 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
2402 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
2403 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
2404 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
2405 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
2406 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2407 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
2408 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
2409 { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
2410 { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
2411 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
2412 { "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" },
2413 { "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" },
2414 POPT_COMMON_CONFIGFILE
2419 /* Samba client initialisation */
2426 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
2428 /* Parse command line options */
2431 poptPrintHelp(pc, stderr, 0);
2435 while((opt = poptGetNextOpt(pc)) != -1) {
2436 /* Get generic config options like --configfile */
2439 poptFreeContext(pc);
2441 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
2442 d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
2443 get_dyn_CONFIGFILE(), strerror(errno));
2447 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
2448 POPT_CONTEXT_KEEP_FIRST);
2450 while((opt = poptGetNextOpt(pc)) != -1) {
2453 opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
2454 if (opt_challenge.length != 8) {
2455 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2457 (int)opt_challenge.length);
2462 opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
2463 if (opt_lm_response.length != 24) {
2464 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2466 (int)opt_lm_response.length);
2472 opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
2473 if (opt_nt_response.length < 24) {
2474 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2476 (int)opt_nt_response.length);
2481 case OPT_REQUIRE_MEMBERSHIP:
2482 if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
2483 require_membership_of_sid = require_membership_of;
2490 char *domain = SMB_STRDUP(opt_username);
2491 char *p = strchr_m(domain, *lp_winbind_separator());
2495 if (opt_domain && !strequal(opt_domain, domain)) {
2496 x_fprintf(x_stderr, "Domain specified in username (%s) "
2497 "doesn't match specified domain (%s)!\n\n",
2498 domain, opt_domain);
2499 poptPrintHelp(pc, stderr, 0);
2502 opt_domain = domain;
2508 /* Note: if opt_domain is "" then send no domain */
2509 if (opt_domain == NULL) {
2510 opt_domain = get_winbind_domain();
2513 if (opt_workstation == NULL) {
2514 opt_workstation = "";
2517 if (helper_protocol) {
2519 for (i=0; i<NUM_HELPER_MODES; i++) {
2520 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2521 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
2525 x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
2527 for (i=0; i<NUM_HELPER_MODES; i++) {
2528 x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
2534 if (!opt_username || !*opt_username) {
2535 x_fprintf(x_stderr, "username must be specified!\n\n");
2536 poptPrintHelp(pc, stderr, 0);
2540 if (opt_challenge.length) {
2541 if (!check_auth_crap()) {
2547 if (!opt_password) {
2548 opt_password = getpass("password: ");
2552 if (!diagnose_ntlm_auth()) {
2558 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2559 if (!check_plaintext_auth(user, opt_password, True)) {
2566 poptFreeContext(pc);