2 Unix SMB/CIFS implementation.
4 Winbind status program.
6 Copyright (C) Tim Potter 2000-2003
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
8 Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
9 Copyright (C) Robert O'Callahan 2006 (added cached credential code).
10 Copyright (C) Kai Blin <kai@samba.org> 2008
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "utils/ntlm_auth.h"
30 #define DBGC_CLASS DBGC_WINBIND
32 #define INITIAL_BUFFER_SIZE 300
33 #define MAX_BUFFER_SIZE 630000
35 enum stdio_helper_mode {
43 NTLM_CHANGE_PASSWORD_1,
47 enum ntlm_auth_cli_state {
54 enum ntlm_auth_svr_state {
61 struct ntlm_auth_state {
63 enum stdio_helper_mode helper_mode;
64 enum ntlm_auth_cli_state cli_state;
65 enum ntlm_auth_svr_state svr_state;
66 struct ntlmssp_state *ntlmssp_state;
68 char *want_feature_list;
69 bool have_session_key;
70 DATA_BLOB session_key;
71 DATA_BLOB initial_message;
74 typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
77 static void manage_squid_basic_request (struct ntlm_auth_state *state,
78 char *buf, int length);
80 static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
81 char *buf, int length);
83 static void manage_client_ntlmssp_request (struct ntlm_auth_state *state,
84 char *buf, int length);
86 static void manage_gss_spnego_request (struct ntlm_auth_state *state,
87 char *buf, int length);
89 static void manage_gss_spnego_client_request (struct ntlm_auth_state *state,
90 char *buf, int length);
92 static void manage_ntlm_server_1_request (struct ntlm_auth_state *state,
93 char *buf, int length);
95 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
96 char *buf, int length);
99 enum stdio_helper_mode mode;
101 stdio_helper_function fn;
102 } stdio_helper_protocols[] = {
103 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
104 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
105 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
106 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
107 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
108 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
109 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
110 { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
111 { NUM_HELPER_MODES, NULL, NULL}
114 const char *opt_username;
115 const char *opt_domain;
116 const char *opt_workstation;
117 const char *opt_password;
118 static DATA_BLOB opt_challenge;
119 static DATA_BLOB opt_lm_response;
120 static DATA_BLOB opt_nt_response;
121 static int request_lm_key;
122 static int request_user_session_key;
123 static int use_cached_creds;
125 static const char *require_membership_of;
126 static const char *require_membership_of_sid;
128 static char winbind_separator(void)
130 struct winbindd_response response;
137 ZERO_STRUCT(response);
139 /* Send off request */
141 if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
142 NSS_STATUS_SUCCESS) {
143 d_printf("could not obtain winbind separator!\n");
144 return *lp_winbind_separator();
147 sep = response.data.info.winbind_separator;
151 d_printf("winbind separator was NULL!\n");
152 return *lp_winbind_separator();
158 const char *get_winbind_domain(void)
160 struct winbindd_response response;
162 static fstring winbind_domain;
163 if (*winbind_domain) {
164 return winbind_domain;
167 ZERO_STRUCT(response);
169 /* Send off request */
171 if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
172 NSS_STATUS_SUCCESS) {
173 DEBUG(0, ("could not obtain winbind domain name!\n"));
174 return lp_workgroup();
177 fstrcpy(winbind_domain, response.data.domain_name);
179 return winbind_domain;
183 const char *get_winbind_netbios_name(void)
185 struct winbindd_response response;
187 static fstring winbind_netbios_name;
189 if (*winbind_netbios_name) {
190 return winbind_netbios_name;
193 ZERO_STRUCT(response);
195 /* Send off request */
197 if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
198 NSS_STATUS_SUCCESS) {
199 DEBUG(0, ("could not obtain winbind netbios name!\n"));
200 return global_myname();
203 fstrcpy(winbind_netbios_name, response.data.netbios_name);
205 return winbind_netbios_name;
209 DATA_BLOB get_challenge(void)
211 static DATA_BLOB chal;
212 if (opt_challenge.length)
213 return opt_challenge;
215 chal = data_blob(NULL, 8);
217 generate_random_buffer(chal.data, chal.length);
221 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
222 form DOMAIN/user into a domain and a user */
224 static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
228 char *p = strchr(domuser,winbind_separator());
235 fstrcpy(domain, domuser);
236 domain[PTR_DIFF(p, domuser)] = 0;
242 static bool get_require_membership_sid(void) {
243 struct winbindd_request request;
244 struct winbindd_response response;
246 if (!require_membership_of) {
250 if (require_membership_of_sid) {
254 /* Otherwise, ask winbindd for the name->sid request */
256 ZERO_STRUCT(request);
257 ZERO_STRUCT(response);
259 if (!parse_ntlm_auth_domain_user(require_membership_of,
260 request.data.name.dom_name,
261 request.data.name.name)) {
262 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
263 require_membership_of));
267 if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
268 NSS_STATUS_SUCCESS) {
269 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
270 require_membership_of));
274 require_membership_of_sid = SMB_STRDUP(response.data.sid.sid);
276 if (require_membership_of_sid)
281 /* Authenticate a user with a plaintext password */
283 static bool check_plaintext_auth(const char *user, const char *pass,
284 bool stdout_diagnostics)
286 struct winbindd_request request;
287 struct winbindd_response response;
290 if (!get_require_membership_sid()) {
294 /* Send off request */
296 ZERO_STRUCT(request);
297 ZERO_STRUCT(response);
299 fstrcpy(request.data.auth.user, user);
300 fstrcpy(request.data.auth.pass, pass);
301 if (require_membership_of_sid) {
302 strlcpy(request.data.auth.require_membership_of_sid,
303 require_membership_of_sid,
304 sizeof(request.data.auth.require_membership_of_sid));
307 result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
309 /* Display response */
311 if (stdout_diagnostics) {
312 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
313 d_printf("Reading winbind reply failed! (0x01)\n");
316 d_printf("%s: %s (0x%x)\n",
317 response.data.auth.nt_status_string,
318 response.data.auth.error_string,
319 response.data.auth.nt_status);
321 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
322 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
325 DEBUG(3, ("%s: %s (0x%x)\n",
326 response.data.auth.nt_status_string,
327 response.data.auth.error_string,
328 response.data.auth.nt_status));
331 return (result == NSS_STATUS_SUCCESS);
334 /* authenticate a user with an encrypted username/password */
336 NTSTATUS contact_winbind_auth_crap(const char *username,
338 const char *workstation,
339 const DATA_BLOB *challenge,
340 const DATA_BLOB *lm_response,
341 const DATA_BLOB *nt_response,
344 uint8 user_session_key[16],
350 struct winbindd_request request;
351 struct winbindd_response response;
353 if (!get_require_membership_sid()) {
354 return NT_STATUS_INVALID_PARAMETER;
357 ZERO_STRUCT(request);
358 ZERO_STRUCT(response);
360 request.flags = flags;
362 request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
364 if (require_membership_of_sid)
365 fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
367 fstrcpy(request.data.auth_crap.user, username);
368 fstrcpy(request.data.auth_crap.domain, domain);
370 fstrcpy(request.data.auth_crap.workstation,
373 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
375 if (lm_response && lm_response->length) {
376 memcpy(request.data.auth_crap.lm_resp,
378 MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
379 request.data.auth_crap.lm_resp_len = lm_response->length;
382 if (nt_response && nt_response->length) {
383 if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
384 request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
385 request.extra_len = nt_response->length;
386 request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
387 if (request.extra_data.data == NULL) {
388 return NT_STATUS_NO_MEMORY;
390 memcpy(request.extra_data.data, nt_response->data,
391 nt_response->length);
394 memcpy(request.data.auth_crap.nt_resp,
395 nt_response->data, nt_response->length);
397 request.data.auth_crap.nt_resp_len = nt_response->length;
400 result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
401 SAFE_FREE(request.extra_data.data);
403 /* Display response */
405 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
406 nt_status = NT_STATUS_UNSUCCESSFUL;
408 *error_string = smb_xstrdup("Reading winbind reply failed!");
409 winbindd_free_response(&response);
413 nt_status = (NT_STATUS(response.data.auth.nt_status));
414 if (!NT_STATUS_IS_OK(nt_status)) {
416 *error_string = smb_xstrdup(response.data.auth.error_string);
417 winbindd_free_response(&response);
421 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
422 memcpy(lm_key, response.data.auth.first_8_lm_hash,
423 sizeof(response.data.auth.first_8_lm_hash));
425 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
426 memcpy(user_session_key, response.data.auth.user_session_key,
427 sizeof(response.data.auth.user_session_key));
430 if (flags & WBFLAG_PAM_UNIX_NAME) {
431 *unix_name = SMB_STRDUP(response.data.auth.unix_username);
433 winbindd_free_response(&response);
434 return NT_STATUS_NO_MEMORY;
438 winbindd_free_response(&response);
442 /* contact server to change user password using auth crap */
443 static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
445 const DATA_BLOB new_nt_pswd,
446 const DATA_BLOB old_nt_hash_enc,
447 const DATA_BLOB new_lm_pswd,
448 const DATA_BLOB old_lm_hash_enc,
453 struct winbindd_request request;
454 struct winbindd_response response;
456 if (!get_require_membership_sid())
459 *error_string = smb_xstrdup("Can't get membership sid.");
460 return NT_STATUS_INVALID_PARAMETER;
463 ZERO_STRUCT(request);
464 ZERO_STRUCT(response);
467 fstrcpy(request.data.chng_pswd_auth_crap.user, username);
469 fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
471 if(new_nt_pswd.length)
473 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
474 request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
477 if(old_nt_hash_enc.length)
479 memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc, old_nt_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_nt_hash_enc));
480 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
483 if(new_lm_pswd.length)
485 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
486 request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
489 if(old_lm_hash_enc.length)
491 memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc, old_lm_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_lm_hash_enc));
492 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
495 result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
497 /* Display response */
499 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
501 nt_status = NT_STATUS_UNSUCCESSFUL;
503 *error_string = smb_xstrdup("Reading winbind reply failed!");
504 winbindd_free_response(&response);
508 nt_status = (NT_STATUS(response.data.auth.nt_status));
509 if (!NT_STATUS_IS_OK(nt_status))
512 *error_string = smb_xstrdup(response.data.auth.error_string);
513 winbindd_free_response(&response);
517 winbindd_free_response(&response);
522 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
524 static const char zeros[16] = { 0, };
528 uint8 user_sess_key[16];
531 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
532 ntlmssp_state->workstation,
533 &ntlmssp_state->chal,
534 &ntlmssp_state->lm_resp,
535 &ntlmssp_state->nt_resp,
536 WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
537 lm_key, user_sess_key,
538 &error_string, &unix_name);
540 if (NT_STATUS_IS_OK(nt_status)) {
541 if (memcmp(lm_key, zeros, 8) != 0) {
542 *lm_session_key = data_blob(NULL, 16);
543 memcpy(lm_session_key->data, lm_key, 8);
544 memset(lm_session_key->data+8, '\0', 8);
547 if (memcmp(user_sess_key, zeros, 16) != 0) {
548 *user_session_key = data_blob(user_sess_key, 16);
550 ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state,
552 SAFE_FREE(unix_name);
554 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
555 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
556 ntlmssp_state->domain, ntlmssp_state->user,
557 ntlmssp_state->workstation,
558 error_string ? error_string : "unknown error (NULL)"));
559 ntlmssp_state->auth_context = NULL;
564 static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
567 uint8 lm_pw[16], nt_pw[16];
569 nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
571 nt_status = ntlm_password_check(ntlmssp_state,
572 &ntlmssp_state->chal,
573 &ntlmssp_state->lm_resp,
574 &ntlmssp_state->nt_resp,
578 ntlmssp_state->domain,
579 lm_pw, nt_pw, user_session_key, lm_session_key);
581 if (NT_STATUS_IS_OK(nt_status)) {
582 ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state,
583 "%s%c%s", ntlmssp_state->domain,
584 *lp_winbind_separator(),
585 ntlmssp_state->user);
587 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
588 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
589 nt_errstr(nt_status)));
590 ntlmssp_state->auth_context = NULL;
595 static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
598 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
599 status = NT_STATUS_UNSUCCESSFUL;
600 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
601 return NT_STATUS_INVALID_PARAMETER;
604 status = ntlmssp_client_start(client_ntlmssp_state);
606 if (!NT_STATUS_IS_OK(status)) {
607 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
609 ntlmssp_end(client_ntlmssp_state);
613 status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
615 if (!NT_STATUS_IS_OK(status)) {
616 DEBUG(1, ("Could not set username: %s\n",
618 ntlmssp_end(client_ntlmssp_state);
622 status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
624 if (!NT_STATUS_IS_OK(status)) {
625 DEBUG(1, ("Could not set domain: %s\n",
627 ntlmssp_end(client_ntlmssp_state);
632 status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
634 if (!NT_STATUS_IS_OK(status)) {
635 DEBUG(1, ("Could not set password: %s\n",
637 ntlmssp_end(client_ntlmssp_state);
645 static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
647 NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
649 if (!NT_STATUS_IS_OK(status)) {
650 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
655 /* Have we been given a local password, or should we ask winbind? */
657 (*ntlmssp_state)->check_password = local_pw_check;
658 (*ntlmssp_state)->get_domain = lp_workgroup;
659 (*ntlmssp_state)->get_global_myname = global_myname;
661 (*ntlmssp_state)->check_password = winbind_pw_check;
662 (*ntlmssp_state)->get_domain = get_winbind_domain;
663 (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
668 /*******************************************************************
669 Used by firefox to drive NTLM auth to IIS servers.
670 *******************************************************************/
672 static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
675 struct winbindd_request wb_request;
676 struct winbindd_response wb_response;
679 /* get winbindd to do the ntlmssp step on our behalf */
680 ZERO_STRUCT(wb_request);
681 ZERO_STRUCT(wb_response);
683 fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
684 "%s%c%s", opt_domain, winbind_separator(), opt_username);
685 wb_request.data.ccache_ntlm_auth.uid = geteuid();
686 wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
687 wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
688 wb_request.extra_len = initial_msg.length + challenge_msg.length;
690 if (wb_request.extra_len > 0) {
691 wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
692 if (wb_request.extra_data.data == NULL) {
693 return NT_STATUS_NO_MEMORY;
696 memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
697 memcpy(wb_request.extra_data.data + initial_msg.length,
698 challenge_msg.data, challenge_msg.length);
701 result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
702 SAFE_FREE(wb_request.extra_data.data);
704 if (result != NSS_STATUS_SUCCESS) {
705 winbindd_free_response(&wb_response);
706 return NT_STATUS_UNSUCCESSFUL;
710 *reply = data_blob(wb_response.extra_data.data,
711 wb_response.data.ccache_ntlm_auth.auth_blob_len);
712 if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
713 reply->data == NULL) {
714 winbindd_free_response(&wb_response);
715 return NT_STATUS_NO_MEMORY;
719 winbindd_free_response(&wb_response);
720 return NT_STATUS_MORE_PROCESSING_REQUIRED;
723 static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
724 char *buf, int length)
726 DATA_BLOB request, reply;
729 if (strlen(buf) < 2) {
730 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
731 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
735 if (strlen(buf) > 3) {
736 if(strncmp(buf, "SF ", 3) == 0){
737 DEBUG(10, ("Setting flags to negotioate\n"));
738 TALLOC_FREE(state->want_feature_list);
739 state->want_feature_list = talloc_strdup(state->mem_ctx,
741 x_fprintf(x_stdout, "OK\n");
744 request = base64_decode_data_blob(buf + 3);
746 request = data_blob_null;
749 if ((strncmp(buf, "PW ", 3) == 0)) {
750 /* The calling application wants us to use a local password
751 * (rather than winbindd) */
753 opt_password = SMB_STRNDUP((const char *)request.data,
756 if (opt_password == NULL) {
757 DEBUG(1, ("Out of memory\n"));
758 x_fprintf(x_stdout, "BH Out of memory\n");
759 data_blob_free(&request);
763 x_fprintf(x_stdout, "OK\n");
764 data_blob_free(&request);
768 if (strncmp(buf, "YR", 2) == 0) {
769 if (state->ntlmssp_state)
770 ntlmssp_end(&state->ntlmssp_state);
771 state->svr_state = SERVER_INITIAL;
772 } else if (strncmp(buf, "KK", 2) == 0) {
773 /* No special preprocessing required */
774 } else if (strncmp(buf, "GF", 2) == 0) {
775 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
777 if (state->svr_state == SERVER_FINISHED) {
778 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
781 x_fprintf(x_stdout, "BH\n");
783 data_blob_free(&request);
785 } else if (strncmp(buf, "GK", 2) == 0) {
786 DEBUG(10, ("Requested NTLMSSP session key\n"));
787 if(state->have_session_key) {
788 char *key64 = base64_encode_data_blob(state->mem_ctx,
790 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
793 x_fprintf(x_stdout, "BH\n");
796 data_blob_free(&request);
799 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
800 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
804 if (!state->ntlmssp_state) {
805 nt_status = ntlm_auth_start_ntlmssp_server(
806 &state->ntlmssp_state);
807 if (!NT_STATUS_IS_OK(nt_status)) {
808 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
811 ntlmssp_want_feature_list(state->ntlmssp_state,
812 state->want_feature_list);
815 DEBUG(10, ("got NTLMSSP packet:\n"));
816 dump_data(10, request.data, request.length);
818 nt_status = ntlmssp_update(state->ntlmssp_state, request, &reply);
820 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
821 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
823 x_fprintf(x_stdout, "TT %s\n", reply_base64);
824 TALLOC_FREE(reply_base64);
825 data_blob_free(&reply);
826 state->svr_state = SERVER_CHALLENGE;
827 DEBUG(10, ("NTLMSSP challenge\n"));
828 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
829 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
830 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
832 ntlmssp_end(&state->ntlmssp_state);
833 } else if (!NT_STATUS_IS_OK(nt_status)) {
834 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
835 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
837 x_fprintf(x_stdout, "AF %s\n",
838 (char *)state->ntlmssp_state->auth_context);
839 DEBUG(10, ("NTLMSSP OK!\n"));
841 if(state->have_session_key)
842 data_blob_free(&state->session_key);
843 state->session_key = data_blob(
844 state->ntlmssp_state->session_key.data,
845 state->ntlmssp_state->session_key.length);
846 state->neg_flags = state->ntlmssp_state->neg_flags;
847 state->have_session_key = true;
848 state->svr_state = SERVER_FINISHED;
851 data_blob_free(&request);
854 static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
855 char *buf, int length)
857 DATA_BLOB request, reply;
860 if (!opt_username || !*opt_username) {
861 x_fprintf(x_stderr, "username must be specified!\n\n");
865 if (strlen(buf) < 2) {
866 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
867 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
871 if (strlen(buf) > 3) {
872 if(strncmp(buf, "SF ", 3) == 0) {
873 DEBUG(10, ("Looking for flags to negotiate\n"));
874 talloc_free(state->want_feature_list);
875 state->want_feature_list = talloc_strdup(state->mem_ctx,
877 x_fprintf(x_stdout, "OK\n");
880 request = base64_decode_data_blob(buf + 3);
882 request = data_blob_null;
885 if (strncmp(buf, "PW ", 3) == 0) {
886 /* We asked for a password and obviously got it :-) */
888 opt_password = SMB_STRNDUP((const char *)request.data,
891 if (opt_password == NULL) {
892 DEBUG(1, ("Out of memory\n"));
893 x_fprintf(x_stdout, "BH Out of memory\n");
894 data_blob_free(&request);
898 x_fprintf(x_stdout, "OK\n");
899 data_blob_free(&request);
903 if (!state->ntlmssp_state && use_cached_creds) {
904 /* check whether cached credentials are usable. */
905 DATA_BLOB empty_blob = data_blob_null;
907 nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
908 if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
909 /* failed to use cached creds */
910 use_cached_creds = False;
914 if (opt_password == NULL && !use_cached_creds) {
915 /* Request a password from the calling process. After
916 sending it, the calling process should retry asking for the
919 DEBUG(10, ("Requesting password\n"));
920 x_fprintf(x_stdout, "PW\n");
924 if (strncmp(buf, "YR", 2) == 0) {
925 if (state->ntlmssp_state)
926 ntlmssp_end(&state->ntlmssp_state);
927 state->cli_state = CLIENT_INITIAL;
928 } else if (strncmp(buf, "TT", 2) == 0) {
929 /* No special preprocessing required */
930 } else if (strncmp(buf, "GF", 2) == 0) {
931 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
933 if(state->cli_state == CLIENT_FINISHED) {
934 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
937 x_fprintf(x_stdout, "BH\n");
940 data_blob_free(&request);
942 } else if (strncmp(buf, "GK", 2) == 0 ) {
943 DEBUG(10, ("Requested session key\n"));
945 if(state->cli_state == CLIENT_FINISHED) {
946 char *key64 = base64_encode_data_blob(state->mem_ctx,
948 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
952 x_fprintf(x_stdout, "BH\n");
955 data_blob_free(&request);
958 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
959 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
963 if (!state->ntlmssp_state) {
964 nt_status = ntlm_auth_start_ntlmssp_client(
965 &state->ntlmssp_state);
966 if (!NT_STATUS_IS_OK(nt_status)) {
967 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
970 ntlmssp_want_feature_list(state->ntlmssp_state,
971 state->want_feature_list);
972 state->initial_message = data_blob_null;
975 DEBUG(10, ("got NTLMSSP packet:\n"));
976 dump_data(10, request.data, request.length);
978 if (use_cached_creds && !opt_password &&
979 (state->cli_state == CLIENT_RESPONSE)) {
980 nt_status = do_ccache_ntlm_auth(state->initial_message, request,
983 nt_status = ntlmssp_update(state->ntlmssp_state, request,
987 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
988 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
990 if (state->cli_state == CLIENT_INITIAL) {
991 x_fprintf(x_stdout, "YR %s\n", reply_base64);
992 state->initial_message = reply;
993 state->cli_state = CLIENT_RESPONSE;
995 x_fprintf(x_stdout, "KK %s\n", reply_base64);
996 data_blob_free(&reply);
998 TALLOC_FREE(reply_base64);
999 DEBUG(10, ("NTLMSSP challenge\n"));
1000 } else if (NT_STATUS_IS_OK(nt_status)) {
1001 char *reply_base64 = base64_encode_data_blob(talloc_tos(),
1003 x_fprintf(x_stdout, "AF %s\n", reply_base64);
1004 TALLOC_FREE(reply_base64);
1006 if(state->have_session_key)
1007 data_blob_free(&state->session_key);
1009 state->session_key = data_blob(
1010 state->ntlmssp_state->session_key.data,
1011 state->ntlmssp_state->session_key.length);
1012 state->neg_flags = state->ntlmssp_state->neg_flags;
1013 state->have_session_key = true;
1015 DEBUG(10, ("NTLMSSP OK!\n"));
1016 state->cli_state = CLIENT_FINISHED;
1017 if (state->ntlmssp_state)
1018 ntlmssp_end(&state->ntlmssp_state);
1020 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1021 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
1022 state->cli_state = CLIENT_ERROR;
1023 if (state->ntlmssp_state)
1024 ntlmssp_end(&state->ntlmssp_state);
1027 data_blob_free(&request);
1030 static void manage_squid_basic_request(struct ntlm_auth_state *state,
1031 char *buf, int length)
1036 pass=(char *)memchr(buf,' ',length);
1038 DEBUG(2, ("Password not found. Denying access\n"));
1039 x_fprintf(x_stdout, "ERR\n");
1045 if (state->helper_mode == SQUID_2_5_BASIC) {
1046 rfc1738_unescape(user);
1047 rfc1738_unescape(pass);
1050 if (check_plaintext_auth(user, pass, False)) {
1051 x_fprintf(x_stdout, "OK\n");
1053 x_fprintf(x_stdout, "ERR\n");
1057 static void offer_gss_spnego_mechs(void) {
1063 TALLOC_CTX *ctx = talloc_tos();
1067 ZERO_STRUCT(spnego);
1069 myname_lower = talloc_strdup(ctx, global_myname());
1070 if (!myname_lower) {
1073 strlower_m(myname_lower);
1075 principal = talloc_asprintf(ctx, "%s$@%s", myname_lower, lp_realm());
1080 /* Server negTokenInit (mech offerings) */
1081 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1082 spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
1084 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
1085 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
1086 spnego.negTokenInit.mechTypes[2] = NULL;
1088 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
1089 spnego.negTokenInit.mechTypes[1] = NULL;
1093 spnego.negTokenInit.mechListMIC = data_blob(principal,
1096 len = write_spnego_data(&token, &spnego);
1097 free_spnego_data(&spnego);
1100 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1101 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1105 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1106 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
1108 TALLOC_FREE(reply_base64);
1109 data_blob_free(&token);
1110 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1114 static void manage_gss_spnego_request(struct ntlm_auth_state *state,
1115 char *buf, int length)
1117 static NTLMSSP_STATE *ntlmssp_state = NULL;
1118 SPNEGO_DATA request, response;
1122 TALLOC_CTX *ctx = talloc_tos();
1125 char *domain = NULL;
1127 const char *reply_code;
1129 char *reply_argument = NULL;
1131 if (strlen(buf) < 2) {
1132 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1133 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1137 if (strncmp(buf, "YR", 2) == 0) {
1139 ntlmssp_end(&ntlmssp_state);
1140 } else if (strncmp(buf, "KK", 2) == 0) {
1143 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1144 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1148 if ( (strlen(buf) == 2)) {
1150 /* no client data, get the negTokenInit offering
1153 offer_gss_spnego_mechs();
1157 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1159 if (strlen(buf) <= 3) {
1160 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
1161 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1165 token = base64_decode_data_blob(buf + 3);
1166 len = read_spnego_data(token, &request);
1167 data_blob_free(&token);
1170 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
1171 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1175 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
1177 /* Second request from Client. This is where the
1178 client offers its mechanism to use. */
1180 if ( (request.negTokenInit.mechTypes == NULL) ||
1181 (request.negTokenInit.mechTypes[0] == NULL) ) {
1182 DEBUG(1, ("Client did not offer any mechanism"));
1183 x_fprintf(x_stdout, "BH Client did not offer any "
1188 status = NT_STATUS_UNSUCCESSFUL;
1189 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
1191 if ( request.negTokenInit.mechToken.data == NULL ) {
1192 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1193 x_fprintf(x_stdout, "BH Client did not provide "
1198 if ( ntlmssp_state != NULL ) {
1199 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1200 "already got one\n"));
1201 x_fprintf(x_stdout, "BH Client wants a new "
1202 "NTLMSSP challenge, but "
1203 "already got one\n");
1204 ntlmssp_end(&ntlmssp_state);
1208 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
1209 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1213 DEBUG(10, ("got NTLMSSP packet:\n"));
1214 dump_data(10, request.negTokenInit.mechToken.data,
1215 request.negTokenInit.mechToken.length);
1217 response.type = SPNEGO_NEG_TOKEN_TARG;
1218 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1219 response.negTokenTarg.mechListMIC = data_blob_null;
1221 status = ntlmssp_update(ntlmssp_state,
1222 request.negTokenInit.mechToken,
1223 &response.negTokenTarg.responseToken);
1227 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
1229 TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
1232 DATA_BLOB session_key;
1233 struct PAC_DATA *pac_data = NULL;
1235 if ( request.negTokenInit.mechToken.data == NULL ) {
1236 DEBUG(1, ("Client did not provide Kerberos data\n"));
1237 x_fprintf(x_stdout, "BH Client did not provide "
1242 response.type = SPNEGO_NEG_TOKEN_TARG;
1243 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
1244 response.negTokenTarg.mechListMIC = data_blob_null;
1245 response.negTokenTarg.responseToken = data_blob_null;
1247 status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
1248 &request.negTokenInit.mechToken,
1249 &principal, &pac_data, &ap_rep,
1250 &session_key, True);
1252 talloc_destroy(mem_ctx);
1254 /* Now in "principal" we have the name we are
1255 authenticated as. */
1257 if (NT_STATUS_IS_OK(status)) {
1259 domain = strchr_m(principal, '@');
1261 if (domain == NULL) {
1262 DEBUG(1, ("Did not get a valid principal "
1263 "from ads_verify_ticket\n"));
1264 x_fprintf(x_stdout, "BH Did not get a "
1265 "valid principal from "
1266 "ads_verify_ticket\n");
1271 domain = SMB_STRDUP(domain);
1272 user = SMB_STRDUP(principal);
1274 data_blob_free(&ap_rep);
1276 SAFE_FREE(principal);
1283 if ( (request.negTokenTarg.supportedMech == NULL) ||
1284 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
1285 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1286 is the only one we support that sends this stuff */
1287 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1288 request.negTokenTarg.supportedMech));
1289 x_fprintf(x_stdout, "BH Got a negTokenTarg for "
1290 "something non-NTLMSSP\n");
1294 if (request.negTokenTarg.responseToken.data == NULL) {
1295 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1296 x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
1297 "responseToken!\n");
1301 status = ntlmssp_update(ntlmssp_state,
1302 request.negTokenTarg.responseToken,
1303 &response.negTokenTarg.responseToken);
1305 response.type = SPNEGO_NEG_TOKEN_TARG;
1306 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1307 response.negTokenTarg.mechListMIC = data_blob_null;
1309 if (NT_STATUS_IS_OK(status)) {
1310 user = SMB_STRDUP(ntlmssp_state->user);
1311 domain = SMB_STRDUP(ntlmssp_state->domain);
1312 ntlmssp_end(&ntlmssp_state);
1316 free_spnego_data(&request);
1318 if (NT_STATUS_IS_OK(status)) {
1319 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
1321 reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
1322 } else if (NT_STATUS_EQUAL(status,
1323 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1324 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1326 reply_argument = talloc_strdup(ctx, "*");
1328 response.negTokenTarg.negResult = SPNEGO_REJECT;
1330 reply_argument = talloc_strdup(ctx, nt_errstr(status));
1333 if (!reply_argument) {
1334 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1335 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1342 len = write_spnego_data(&token, &response);
1343 free_spnego_data(&response);
1346 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1347 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1351 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1353 x_fprintf(x_stdout, "%s %s %s\n",
1354 reply_code, reply_base64, reply_argument);
1356 TALLOC_FREE(reply_base64);
1357 data_blob_free(&token);
1362 static NTLMSSP_STATE *client_ntlmssp_state = NULL;
1364 static bool manage_client_ntlmssp_init(SPNEGO_DATA spnego)
1367 DATA_BLOB null_blob = data_blob_null;
1368 DATA_BLOB to_server;
1369 char *to_server_base64;
1370 const char *my_mechs[] = {OID_NTLMSSP, NULL};
1372 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1374 if (client_ntlmssp_state != NULL) {
1375 DEBUG(1, ("Request for initial SPNEGO request where "
1376 "we already have a state\n"));
1380 if (!client_ntlmssp_state) {
1381 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
1382 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1388 if (opt_password == NULL) {
1390 /* Request a password from the calling process. After
1391 sending it, the calling process should retry with
1392 the negTokenInit. */
1394 DEBUG(10, ("Requesting password\n"));
1395 x_fprintf(x_stdout, "PW\n");
1399 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1400 spnego.negTokenInit.mechTypes = my_mechs;
1401 spnego.negTokenInit.reqFlags = 0;
1402 spnego.negTokenInit.mechListMIC = null_blob;
1404 status = ntlmssp_update(client_ntlmssp_state, null_blob,
1405 &spnego.negTokenInit.mechToken);
1407 if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
1408 NT_STATUS_IS_OK(status)) ) {
1409 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1410 nt_errstr(status)));
1411 ntlmssp_end(&client_ntlmssp_state);
1415 write_spnego_data(&to_server, &spnego);
1416 data_blob_free(&spnego.negTokenInit.mechToken);
1418 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1419 data_blob_free(&to_server);
1420 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1421 TALLOC_FREE(to_server_base64);
1425 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego)
1428 DATA_BLOB null_blob = data_blob_null;
1430 DATA_BLOB to_server;
1431 char *to_server_base64;
1433 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1435 if (client_ntlmssp_state == NULL) {
1436 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1437 x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
1441 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
1442 x_fprintf(x_stdout, "NA\n");
1443 ntlmssp_end(&client_ntlmssp_state);
1447 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
1448 x_fprintf(x_stdout, "AF\n");
1449 ntlmssp_end(&client_ntlmssp_state);
1453 status = ntlmssp_update(client_ntlmssp_state,
1454 spnego.negTokenTarg.responseToken,
1457 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1458 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1459 "ntlmssp_client_update, got: %s\n",
1460 nt_errstr(status)));
1461 x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
1462 "ntlmssp_client_update\n");
1463 data_blob_free(&request);
1464 ntlmssp_end(&client_ntlmssp_state);
1468 spnego.type = SPNEGO_NEG_TOKEN_TARG;
1469 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1470 spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
1471 spnego.negTokenTarg.responseToken = request;
1472 spnego.negTokenTarg.mechListMIC = null_blob;
1474 write_spnego_data(&to_server, &spnego);
1475 data_blob_free(&request);
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);
1486 static bool manage_client_krb5_init(SPNEGO_DATA spnego)
1489 DATA_BLOB tkt, to_server;
1490 DATA_BLOB session_key_krb5 = data_blob_null;
1495 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
1498 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
1499 (spnego.negTokenInit.mechListMIC.length == 0) ) {
1500 DEBUG(1, ("Did not get a principal for krb5\n"));
1504 principal = (char *)SMB_MALLOC(
1505 spnego.negTokenInit.mechListMIC.length+1);
1507 if (principal == NULL) {
1508 DEBUG(1, ("Could not malloc principal\n"));
1512 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
1513 spnego.negTokenInit.mechListMIC.length);
1514 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
1516 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
1521 /* Let's try to first get the TGT, for that we need a
1524 if (opt_password == NULL) {
1525 DEBUG(10, ("Requesting password\n"));
1526 x_fprintf(x_stdout, "PW\n");
1530 user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
1535 if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
1536 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
1540 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
1543 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
1548 data_blob_free(&session_key_krb5);
1552 reply.type = SPNEGO_NEG_TOKEN_INIT;
1553 reply.negTokenInit.mechTypes = my_mechs;
1554 reply.negTokenInit.reqFlags = 0;
1555 reply.negTokenInit.mechToken = tkt;
1556 reply.negTokenInit.mechListMIC = data_blob_null;
1558 len = write_spnego_data(&to_server, &reply);
1559 data_blob_free(&tkt);
1562 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1566 reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1567 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
1569 TALLOC_FREE(reply_base64);
1570 data_blob_free(&to_server);
1571 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1575 static void manage_client_krb5_targ(SPNEGO_DATA spnego)
1577 switch (spnego.negTokenTarg.negResult) {
1578 case SPNEGO_ACCEPT_INCOMPLETE:
1579 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1580 x_fprintf(x_stdout, "BH Got a Kerberos negTokenTarg with "
1581 "ACCEPT_INCOMPLETE\n");
1583 case SPNEGO_ACCEPT_COMPLETED:
1584 DEBUG(10, ("Accept completed\n"));
1585 x_fprintf(x_stdout, "AF\n");
1588 DEBUG(10, ("Rejected\n"));
1589 x_fprintf(x_stdout, "NA\n");
1592 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1593 x_fprintf(x_stdout, "AF\n");
1599 static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
1600 char *buf, int length)
1606 if (!opt_username || !*opt_username) {
1607 x_fprintf(x_stderr, "username must be specified!\n\n");
1611 if (strlen(buf) <= 3) {
1612 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
1613 x_fprintf(x_stdout, "BH SPNEGO query too short\n");
1617 request = base64_decode_data_blob(buf+3);
1619 if (strncmp(buf, "PW ", 3) == 0) {
1621 /* We asked for a password and obviously got it :-) */
1623 opt_password = SMB_STRNDUP((const char *)request.data, request.length);
1625 if (opt_password == NULL) {
1626 DEBUG(1, ("Out of memory\n"));
1627 x_fprintf(x_stdout, "BH Out of memory\n");
1628 data_blob_free(&request);
1632 x_fprintf(x_stdout, "OK\n");
1633 data_blob_free(&request);
1637 if ( (strncmp(buf, "TT ", 3) != 0) &&
1638 (strncmp(buf, "AF ", 3) != 0) &&
1639 (strncmp(buf, "NA ", 3) != 0) ) {
1640 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
1641 x_fprintf(x_stdout, "BH SPNEGO request invalid\n");
1642 data_blob_free(&request);
1646 /* So we got a server challenge to generate a SPNEGO
1647 client-to-server request... */
1649 len = read_spnego_data(request, &spnego);
1650 data_blob_free(&request);
1653 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1654 x_fprintf(x_stdout, "BH Could not read SPNEGO data\n");
1658 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1660 /* The server offers a list of mechanisms */
1662 const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
1664 while (*mechType != NULL) {
1667 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1668 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1669 if (manage_client_krb5_init(spnego))
1674 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1675 if (manage_client_ntlmssp_init(spnego))
1682 DEBUG(1, ("Server offered no compatible mechanism\n"));
1683 x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
1687 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1689 if (spnego.negTokenTarg.supportedMech == NULL) {
1690 /* On accept/reject Windows does not send the
1691 mechanism anymore. Handle that here and
1692 shut down the mechanisms. */
1694 switch (spnego.negTokenTarg.negResult) {
1695 case SPNEGO_ACCEPT_COMPLETED:
1696 x_fprintf(x_stdout, "AF\n");
1699 x_fprintf(x_stdout, "NA\n");
1702 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1703 "unknown negResult: %d\n",
1704 spnego.negTokenTarg.negResult));
1705 x_fprintf(x_stdout, "BH Got a negTokenTarg with"
1706 " no mech and an unknown "
1710 ntlmssp_end(&client_ntlmssp_state);
1714 if (strcmp(spnego.negTokenTarg.supportedMech,
1715 OID_NTLMSSP) == 0) {
1716 manage_client_ntlmssp_targ(spnego);
1721 if (strcmp(spnego.negTokenTarg.supportedMech,
1722 OID_KERBEROS5_OLD) == 0) {
1723 manage_client_krb5_targ(spnego);
1730 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1731 x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
1735 free_spnego_data(&spnego);
1739 static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
1740 char *buf, int length)
1742 char *request, *parameter;
1743 static DATA_BLOB challenge;
1744 static DATA_BLOB lm_response;
1745 static DATA_BLOB nt_response;
1746 static char *full_username;
1747 static char *username;
1748 static char *domain;
1749 static char *plaintext_password;
1750 static bool ntlm_server_1_user_session_key;
1751 static bool ntlm_server_1_lm_session_key;
1753 if (strequal(buf, ".")) {
1754 if (!full_username && !username) {
1755 x_fprintf(x_stdout, "Error: No username supplied!\n");
1756 } else if (plaintext_password) {
1757 /* handle this request as plaintext */
1758 if (!full_username) {
1759 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1760 x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
1764 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1765 x_fprintf(x_stdout, "Authenticated: Yes\n");
1767 x_fprintf(x_stdout, "Authenticated: No\n");
1769 } else if (!lm_response.data && !nt_response.data) {
1770 x_fprintf(x_stdout, "Error: No password supplied!\n");
1771 } else if (!challenge.data) {
1772 x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
1774 char *error_string = NULL;
1776 uchar user_session_key[16];
1779 if (full_username && !username) {
1781 fstring fstr_domain;
1783 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1784 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1785 x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
1787 SAFE_FREE(username);
1789 username = smb_xstrdup(fstr_user);
1790 domain = smb_xstrdup(fstr_domain);
1794 domain = smb_xstrdup(get_winbind_domain());
1797 if (ntlm_server_1_lm_session_key)
1798 flags |= WBFLAG_PAM_LMKEY;
1800 if (ntlm_server_1_user_session_key)
1801 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1803 if (!NT_STATUS_IS_OK(
1804 contact_winbind_auth_crap(username,
1816 x_fprintf(x_stdout, "Authenticated: No\n");
1817 x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
1818 SAFE_FREE(error_string);
1820 static char zeros[16];
1822 char *hex_user_session_key;
1824 x_fprintf(x_stdout, "Authenticated: Yes\n");
1826 if (ntlm_server_1_lm_session_key
1827 && (memcmp(zeros, lm_key,
1828 sizeof(lm_key)) != 0)) {
1829 hex_lm_key = hex_encode_talloc(NULL,
1830 (const unsigned char *)lm_key,
1832 x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
1833 TALLOC_FREE(hex_lm_key);
1836 if (ntlm_server_1_user_session_key
1837 && (memcmp(zeros, user_session_key,
1838 sizeof(user_session_key)) != 0)) {
1839 hex_user_session_key = hex_encode_talloc(NULL,
1840 (const unsigned char *)user_session_key,
1841 sizeof(user_session_key));
1842 x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
1843 TALLOC_FREE(hex_user_session_key);
1847 /* clear out the state */
1848 challenge = data_blob_null;
1849 nt_response = data_blob_null;
1850 lm_response = data_blob_null;
1851 SAFE_FREE(full_username);
1852 SAFE_FREE(username);
1854 SAFE_FREE(plaintext_password);
1855 ntlm_server_1_user_session_key = False;
1856 ntlm_server_1_lm_session_key = False;
1857 x_fprintf(x_stdout, ".\n");
1864 /* Indicates a base64 encoded structure */
1865 parameter = strstr_m(request, ":: ");
1867 parameter = strstr_m(request, ": ");
1870 DEBUG(0, ("Parameter not found!\n"));
1871 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
1888 base64_decode_inplace(parameter);
1891 if (strequal(request, "LANMAN-Challenge")) {
1892 challenge = strhex_to_data_blob(NULL, parameter);
1893 if (challenge.length != 8) {
1894 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1896 (int)challenge.length);
1897 challenge = data_blob_null;
1899 } else if (strequal(request, "NT-Response")) {
1900 nt_response = strhex_to_data_blob(NULL, parameter);
1901 if (nt_response.length < 24) {
1902 x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1904 (int)nt_response.length);
1905 nt_response = data_blob_null;
1907 } else if (strequal(request, "LANMAN-Response")) {
1908 lm_response = strhex_to_data_blob(NULL, parameter);
1909 if (lm_response.length != 24) {
1910 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1912 (int)lm_response.length);
1913 lm_response = data_blob_null;
1915 } else if (strequal(request, "Password")) {
1916 plaintext_password = smb_xstrdup(parameter);
1917 } else if (strequal(request, "NT-Domain")) {
1918 domain = smb_xstrdup(parameter);
1919 } else if (strequal(request, "Username")) {
1920 username = smb_xstrdup(parameter);
1921 } else if (strequal(request, "Full-Username")) {
1922 full_username = smb_xstrdup(parameter);
1923 } else if (strequal(request, "Request-User-Session-Key")) {
1924 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
1925 } else if (strequal(request, "Request-LanMan-Session-Key")) {
1926 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
1928 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
1932 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
1933 char *buf, int length)
1935 char *request, *parameter;
1936 static DATA_BLOB new_nt_pswd;
1937 static DATA_BLOB old_nt_hash_enc;
1938 static DATA_BLOB new_lm_pswd;
1939 static DATA_BLOB old_lm_hash_enc;
1940 static char *full_username = NULL;
1941 static char *username = NULL;
1942 static char *domain = NULL;
1943 static char *newpswd = NULL;
1944 static char *oldpswd = NULL;
1946 if (strequal(buf, ".")) {
1947 if(newpswd && oldpswd) {
1948 uchar old_nt_hash[16];
1949 uchar old_lm_hash[16];
1950 uchar new_nt_hash[16];
1951 uchar new_lm_hash[16];
1953 new_nt_pswd = data_blob(NULL, 516);
1954 old_nt_hash_enc = data_blob(NULL, 16);
1956 /* Calculate the MD4 hash (NT compatible) of the
1958 E_md4hash(oldpswd, old_nt_hash);
1959 E_md4hash(newpswd, new_nt_hash);
1961 /* E_deshash returns false for 'long'
1962 passwords (> 14 DOS chars).
1964 Therefore, don't send a buffer
1965 encrypted with the truncated hash
1966 (it could allow an even easier
1967 attack on the password)
1969 Likewise, obey the admin's restriction
1972 if (lp_client_lanman_auth() &&
1973 E_deshash(newpswd, new_lm_hash) &&
1974 E_deshash(oldpswd, old_lm_hash)) {
1975 new_lm_pswd = data_blob(NULL, 516);
1976 old_lm_hash_enc = data_blob(NULL, 16);
1977 encode_pw_buffer(new_lm_pswd.data, newpswd,
1980 SamOEMhash(new_lm_pswd.data, old_nt_hash, 516);
1981 E_old_pw_hash(new_nt_hash, old_lm_hash,
1982 old_lm_hash_enc.data);
1984 new_lm_pswd.data = NULL;
1985 new_lm_pswd.length = 0;
1986 old_lm_hash_enc.data = NULL;
1987 old_lm_hash_enc.length = 0;
1990 encode_pw_buffer(new_nt_pswd.data, newpswd,
1993 SamOEMhash(new_nt_pswd.data, old_nt_hash, 516);
1994 E_old_pw_hash(new_nt_hash, old_nt_hash,
1995 old_nt_hash_enc.data);
1998 if (!full_username && !username) {
1999 x_fprintf(x_stdout, "Error: No username supplied!\n");
2000 } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
2001 (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
2002 x_fprintf(x_stdout, "Error: No NT or LM password "
2003 "blobs supplied!\n");
2005 char *error_string = NULL;
2007 if (full_username && !username) {
2009 fstring fstr_domain;
2011 if (!parse_ntlm_auth_domain_user(full_username,
2014 /* username might be 'tainted', don't
2015 * print into our new-line
2016 * deleimianted stream */
2017 x_fprintf(x_stdout, "Error: Could not "
2018 "parse into domain and "
2020 SAFE_FREE(username);
2021 username = smb_xstrdup(full_username);
2023 SAFE_FREE(username);
2025 username = smb_xstrdup(fstr_user);
2026 domain = smb_xstrdup(fstr_domain);
2031 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2038 x_fprintf(x_stdout, "Password-Change: No\n");
2039 x_fprintf(x_stdout, "Password-Change-Error: "
2040 "%s\n.\n", error_string);
2042 x_fprintf(x_stdout, "Password-Change: Yes\n");
2045 SAFE_FREE(error_string);
2047 /* clear out the state */
2048 new_nt_pswd = data_blob_null;
2049 old_nt_hash_enc = data_blob_null;
2050 new_lm_pswd = data_blob_null;
2051 old_nt_hash_enc = data_blob_null;
2052 SAFE_FREE(full_username);
2053 SAFE_FREE(username);
2057 x_fprintf(x_stdout, ".\n");
2064 /* Indicates a base64 encoded structure */
2065 parameter = strstr_m(request, ":: ");
2067 parameter = strstr_m(request, ": ");
2070 DEBUG(0, ("Parameter not found!\n"));
2071 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
2087 base64_decode_inplace(parameter);
2090 if (strequal(request, "new-nt-password-blob")) {
2091 new_nt_pswd = strhex_to_data_blob(NULL, parameter);
2092 if (new_nt_pswd.length != 516) {
2093 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2094 "(got %d bytes, expected 516)\n.\n",
2096 (int)new_nt_pswd.length);
2097 new_nt_pswd = data_blob_null;
2099 } else if (strequal(request, "old-nt-hash-blob")) {
2100 old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
2101 if (old_nt_hash_enc.length != 16) {
2102 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2103 "(got %d bytes, expected 16)\n.\n",
2105 (int)old_nt_hash_enc.length);
2106 old_nt_hash_enc = data_blob_null;
2108 } else if (strequal(request, "new-lm-password-blob")) {
2109 new_lm_pswd = strhex_to_data_blob(NULL, parameter);
2110 if (new_lm_pswd.length != 516) {
2111 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2112 "(got %d bytes, expected 516)\n.\n",
2114 (int)new_lm_pswd.length);
2115 new_lm_pswd = data_blob_null;
2118 else if (strequal(request, "old-lm-hash-blob")) {
2119 old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
2120 if (old_lm_hash_enc.length != 16)
2122 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2123 "(got %d bytes, expected 16)\n.\n",
2125 (int)old_lm_hash_enc.length);
2126 old_lm_hash_enc = data_blob_null;
2128 } else if (strequal(request, "nt-domain")) {
2129 domain = smb_xstrdup(parameter);
2130 } else if(strequal(request, "username")) {
2131 username = smb_xstrdup(parameter);
2132 } else if(strequal(request, "full-username")) {
2133 username = smb_xstrdup(parameter);
2134 } else if(strequal(request, "new-password")) {
2135 newpswd = smb_xstrdup(parameter);
2136 } else if (strequal(request, "old-password")) {
2137 oldpswd = smb_xstrdup(parameter);
2139 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
2143 static void manage_squid_request(struct ntlm_auth_state *state,
2144 stdio_helper_function fn)
2147 char tmp[INITIAL_BUFFER_SIZE+1];
2148 int length, buf_size = 0;
2151 buf = talloc_strdup(state->mem_ctx, "");
2153 DEBUG(0, ("Failed to allocate input buffer.\n"));
2154 x_fprintf(x_stderr, "ERR\n");
2160 /* this is not a typo - x_fgets doesn't work too well under
2162 if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
2163 if (ferror(stdin)) {
2164 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2165 "(%s)\n", ferror(stdin),
2166 strerror(ferror(stdin))));
2173 buf = talloc_strdup_append_buffer(buf, tmp);
2174 buf_size += INITIAL_BUFFER_SIZE;
2176 if (buf_size > MAX_BUFFER_SIZE) {
2177 DEBUG(2, ("Oversized message\n"));
2178 x_fprintf(x_stderr, "ERR\n");
2183 c = strchr(buf, '\n');
2184 } while (c == NULL);
2189 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
2191 if (buf[0] == '\0') {
2192 DEBUG(2, ("Invalid Request\n"));
2193 x_fprintf(x_stderr, "ERR\n");
2198 fn(state, buf, length);
2203 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
2204 TALLOC_CTX *mem_ctx;
2205 struct ntlm_auth_state *state;
2207 /* initialize FDescs */
2208 x_setbuf(x_stdout, NULL);
2209 x_setbuf(x_stderr, NULL);
2211 mem_ctx = talloc_init("ntlm_auth");
2213 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2214 x_fprintf(x_stderr, "ERR\n");
2218 state = talloc_zero(mem_ctx, struct ntlm_auth_state);
2220 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2221 x_fprintf(x_stderr, "ERR\n");
2225 state->mem_ctx = mem_ctx;
2226 state->helper_mode = stdio_mode;
2229 manage_squid_request(state, fn);
2234 /* Authenticate a user with a challenge/response */
2236 static bool check_auth_crap(void)
2241 char user_session_key[16];
2243 char *hex_user_session_key;
2245 static uint8 zeros[16];
2247 x_setbuf(x_stdout, NULL);
2250 flags |= WBFLAG_PAM_LMKEY;
2252 if (request_user_session_key)
2253 flags |= WBFLAG_PAM_USER_SESSION_KEY;
2255 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
2257 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
2263 (unsigned char *)lm_key,
2264 (unsigned char *)user_session_key,
2265 &error_string, NULL);
2267 if (!NT_STATUS_IS_OK(nt_status)) {
2268 x_fprintf(x_stdout, "%s (0x%x)\n",
2270 NT_STATUS_V(nt_status));
2271 SAFE_FREE(error_string);
2276 && (memcmp(zeros, lm_key,
2277 sizeof(lm_key)) != 0)) {
2278 hex_lm_key = hex_encode_talloc(NULL, (const unsigned char *)lm_key,
2280 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
2281 TALLOC_FREE(hex_lm_key);
2283 if (request_user_session_key
2284 && (memcmp(zeros, user_session_key,
2285 sizeof(user_session_key)) != 0)) {
2286 hex_user_session_key = hex_encode_talloc(NULL, (const unsigned char *)user_session_key,
2287 sizeof(user_session_key));
2288 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
2289 TALLOC_FREE(hex_user_session_key);
2298 OPT_USERNAME = 1000,
2307 OPT_USER_SESSION_KEY,
2309 OPT_REQUIRE_MEMBERSHIP,
2310 OPT_USE_CACHED_CREDS
2313 int main(int argc, const char **argv)
2315 TALLOC_CTX *frame = talloc_stackframe();
2317 static const char *helper_protocol;
2318 static int diagnostics;
2320 static const char *hex_challenge;
2321 static const char *hex_lm_response;
2322 static const char *hex_nt_response;
2326 /* NOTE: DO NOT change this interface without considering the implications!
2327 This is an external interface, which other programs will use to interact
2331 /* We do not use single-letter command abbreviations, because they harm future
2332 interface stability. */
2334 struct poptOption long_options[] = {
2336 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
2337 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
2338 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
2339 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
2340 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
2341 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
2342 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2343 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
2344 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
2345 { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
2346 { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
2347 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
2348 { "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" },
2349 POPT_COMMON_CONFIGFILE
2354 /* Samba client initialisation */
2361 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
2363 /* Parse command line options */
2366 poptPrintHelp(pc, stderr, 0);
2370 while((opt = poptGetNextOpt(pc)) != -1) {
2371 /* Get generic config options like --configfile */
2374 poptFreeContext(pc);
2376 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
2377 d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
2378 get_dyn_CONFIGFILE(), strerror(errno));
2382 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
2383 POPT_CONTEXT_KEEP_FIRST);
2385 while((opt = poptGetNextOpt(pc)) != -1) {
2388 opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
2389 if (opt_challenge.length != 8) {
2390 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2392 (int)opt_challenge.length);
2397 opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
2398 if (opt_lm_response.length != 24) {
2399 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2401 (int)opt_lm_response.length);
2407 opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
2408 if (opt_nt_response.length < 24) {
2409 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2411 (int)opt_nt_response.length);
2416 case OPT_REQUIRE_MEMBERSHIP:
2417 if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
2418 require_membership_of_sid = require_membership_of;
2425 char *domain = SMB_STRDUP(opt_username);
2426 char *p = strchr_m(domain, *lp_winbind_separator());
2430 if (opt_domain && !strequal(opt_domain, domain)) {
2431 x_fprintf(x_stderr, "Domain specified in username (%s) "
2432 "doesn't match specified domain (%s)!\n\n",
2433 domain, opt_domain);
2434 poptPrintHelp(pc, stderr, 0);
2437 opt_domain = domain;
2443 /* Note: if opt_domain is "" then send no domain */
2444 if (opt_domain == NULL) {
2445 opt_domain = get_winbind_domain();
2448 if (opt_workstation == NULL) {
2449 opt_workstation = "";
2452 if (helper_protocol) {
2454 for (i=0; i<NUM_HELPER_MODES; i++) {
2455 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2456 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
2460 x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
2462 for (i=0; i<NUM_HELPER_MODES; i++) {
2463 x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
2469 if (!opt_username || !*opt_username) {
2470 x_fprintf(x_stderr, "username must be specified!\n\n");
2471 poptPrintHelp(pc, stderr, 0);
2475 if (opt_challenge.length) {
2476 if (!check_auth_crap()) {
2482 if (!opt_password) {
2483 opt_password = getpass("password: ");
2487 if (!diagnose_ntlm_auth()) {
2493 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2494 if (!check_plaintext_auth(user, opt_password, True)) {
2501 poptFreeContext(pc);