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
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "../utils/ntlm_auth.h"
29 #define DBGC_CLASS DBGC_WINBIND
31 #define SQUID_BUFFER_SIZE 2010
33 enum stdio_helper_mode {
44 typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
45 char *buf, int length);
47 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
48 char *buf, int length);
50 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
51 char *buf, int length);
53 static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
54 char *buf, int length);
56 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
57 char *buf, int length);
59 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
60 char *buf, int length);
62 static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
63 char *buf, int length);
66 enum stdio_helper_mode mode;
68 stdio_helper_function fn;
69 } stdio_helper_protocols[] = {
70 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
71 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
72 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
73 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
74 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
75 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
76 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
77 { NUM_HELPER_MODES, NULL, NULL}
80 extern int winbindd_fd;
82 const char *opt_username;
83 const char *opt_domain;
84 const char *opt_workstation;
85 const char *opt_password;
86 static DATA_BLOB opt_challenge;
87 static DATA_BLOB opt_lm_response;
88 static DATA_BLOB opt_nt_response;
89 static int request_lm_key;
90 static int request_user_session_key;
92 static const char *require_membership_of;
93 static const char *require_membership_sid;
95 static char winbind_separator(void)
97 struct winbindd_response response;
104 ZERO_STRUCT(response);
106 /* Send off request */
108 if (winbindd_request(WINBINDD_INFO, NULL, &response) !=
109 NSS_STATUS_SUCCESS) {
110 d_printf("could not obtain winbind separator!\n");
111 return *lp_winbind_separator();
114 sep = response.data.info.winbind_separator;
118 d_printf("winbind separator was NULL!\n");
119 return *lp_winbind_separator();
125 const char *get_winbind_domain(void)
127 struct winbindd_response response;
129 static fstring winbind_domain;
130 if (*winbind_domain) {
131 return winbind_domain;
134 ZERO_STRUCT(response);
136 /* Send off request */
138 if (winbindd_request(WINBINDD_DOMAIN_NAME, NULL, &response) !=
139 NSS_STATUS_SUCCESS) {
140 DEBUG(0, ("could not obtain winbind domain name!\n"));
141 return lp_workgroup();
144 fstrcpy(winbind_domain, response.data.domain_name);
146 return winbind_domain;
150 const char *get_winbind_netbios_name(void)
152 struct winbindd_response response;
154 static fstring winbind_netbios_name;
156 if (*winbind_netbios_name) {
157 return winbind_netbios_name;
160 ZERO_STRUCT(response);
162 /* Send off request */
164 if (winbindd_request(WINBINDD_NETBIOS_NAME, NULL, &response) !=
165 NSS_STATUS_SUCCESS) {
166 DEBUG(0, ("could not obtain winbind netbios name!\n"));
167 return global_myname();
170 fstrcpy(winbind_netbios_name, response.data.netbios_name);
172 return winbind_netbios_name;
176 DATA_BLOB get_challenge(void)
178 static DATA_BLOB chal;
179 if (opt_challenge.length)
180 return opt_challenge;
182 chal = data_blob(NULL, 8);
184 generate_random_buffer(chal.data, chal.length, False);
188 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
189 form DOMAIN/user into a domain and a user */
191 static BOOL parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
195 char *p = strchr(domuser,winbind_separator());
202 fstrcpy(domain, domuser);
203 domain[PTR_DIFF(p, domuser)] = 0;
209 static BOOL get_require_membership_sid(void) {
210 struct winbindd_request request;
211 struct winbindd_response response;
213 if (!require_membership_of) {
217 if (require_membership_sid) {
221 /* Otherwise, ask winbindd for the name->sid request */
223 ZERO_STRUCT(request);
224 ZERO_STRUCT(response);
226 if (!parse_ntlm_auth_domain_user(require_membership_of,
227 request.data.name.dom_name,
228 request.data.name.name)) {
229 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
230 require_membership_of));
234 if (winbindd_request(WINBINDD_LOOKUPNAME, &request, &response) !=
235 NSS_STATUS_SUCCESS) {
236 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
237 require_membership_of));
241 require_membership_sid = strdup(response.data.sid.sid);
243 if (require_membership_sid)
248 /* Authenticate a user with a plaintext password */
250 static BOOL check_plaintext_auth(const char *user, const char *pass,
251 BOOL stdout_diagnostics)
253 struct winbindd_request request;
254 struct winbindd_response response;
257 if (!get_require_membership_sid()) {
261 /* Send off request */
263 ZERO_STRUCT(request);
264 ZERO_STRUCT(response);
266 fstrcpy(request.data.auth.user, user);
267 fstrcpy(request.data.auth.pass, pass);
268 if (require_membership_sid)
269 fstrcpy(request.data.auth.required_membership_sid, require_membership_sid);
271 result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response);
273 /* Display response */
275 if (stdout_diagnostics) {
276 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
277 d_printf("Reading winbind reply failed! (0x01)\n");
280 d_printf("%s: %s (0x%x)\n",
281 response.data.auth.nt_status_string,
282 response.data.auth.error_string,
283 response.data.auth.nt_status);
285 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
286 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
289 DEBUG(3, ("%s: %s (0x%x)\n",
290 response.data.auth.nt_status_string,
291 response.data.auth.error_string,
292 response.data.auth.nt_status));
295 return (result == NSS_STATUS_SUCCESS);
298 /* authenticate a user with an encrypted username/password */
300 NTSTATUS contact_winbind_auth_crap(const char *username,
302 const char *workstation,
303 const DATA_BLOB *challenge,
304 const DATA_BLOB *lm_response,
305 const DATA_BLOB *nt_response,
308 uint8 user_session_key[16],
314 struct winbindd_request request;
315 struct winbindd_response response;
317 if (!get_require_membership_sid()) {
318 return NT_STATUS_INVALID_PARAMETER;
321 ZERO_STRUCT(request);
322 ZERO_STRUCT(response);
324 request.flags = flags;
326 if (require_membership_sid)
327 fstrcpy(request.data.auth_crap.required_membership_sid, require_membership_sid);
329 if (push_utf8_fstring(request.data.auth_crap.user, username) == -1) {
330 *error_string = smb_xstrdup(
331 "unable to create utf8 string for username");
332 return NT_STATUS_UNSUCCESSFUL;
335 if (push_utf8_fstring(request.data.auth_crap.domain, domain) == -1) {
336 *error_string = smb_xstrdup(
337 "unable to create utf8 string for domain");
338 return NT_STATUS_UNSUCCESSFUL;
341 if (push_utf8_fstring(request.data.auth_crap.workstation,
342 workstation) == -1) {
343 *error_string = smb_xstrdup(
344 "unable to create utf8 string for workstation");
345 return NT_STATUS_UNSUCCESSFUL;
348 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
350 if (lm_response && lm_response->length) {
351 memcpy(request.data.auth_crap.lm_resp,
353 MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
354 request.data.auth_crap.lm_resp_len = lm_response->length;
357 if (nt_response && nt_response->length) {
358 memcpy(request.data.auth_crap.nt_resp,
360 MIN(nt_response->length, sizeof(request.data.auth_crap.nt_resp)));
361 request.data.auth_crap.nt_resp_len = nt_response->length;
364 result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
366 /* Display response */
368 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
369 nt_status = NT_STATUS_UNSUCCESSFUL;
371 *error_string = smb_xstrdup("Reading winbind reply failed!");
372 free_response(&response);
376 nt_status = (NT_STATUS(response.data.auth.nt_status));
377 if (!NT_STATUS_IS_OK(nt_status)) {
379 *error_string = smb_xstrdup(response.data.auth.error_string);
380 free_response(&response);
384 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
385 memcpy(lm_key, response.data.auth.first_8_lm_hash,
386 sizeof(response.data.auth.first_8_lm_hash));
388 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
389 memcpy(user_session_key, response.data.auth.user_session_key,
390 sizeof(response.data.auth.user_session_key));
393 if (flags & WBFLAG_PAM_UNIX_NAME) {
394 if (pull_utf8_allocate(unix_name, (char *)response.extra_data) == -1) {
395 free_response(&response);
396 return NT_STATUS_NO_MEMORY;
400 free_response(&response);
404 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
406 static const char zeros[16];
410 uint8 user_sess_key[16];
413 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
414 ntlmssp_state->workstation,
415 &ntlmssp_state->chal,
416 &ntlmssp_state->lm_resp,
417 &ntlmssp_state->nt_resp,
418 WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
419 lm_key, user_sess_key,
420 &error_string, &unix_name);
422 if (NT_STATUS_IS_OK(nt_status)) {
423 if (memcmp(lm_key, zeros, 8) != 0) {
424 *lm_session_key = data_blob(NULL, 16);
425 memcpy(lm_session_key->data, lm_key, 8);
426 memset(lm_session_key->data+8, '\0', 8);
429 if (memcmp(user_sess_key, zeros, 16) != 0) {
430 *user_session_key = data_blob(user_sess_key, 16);
432 ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state->mem_ctx, unix_name);
433 SAFE_FREE(unix_name);
435 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
436 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
437 ntlmssp_state->domain, ntlmssp_state->user,
438 ntlmssp_state->workstation,
439 error_string ? error_string : "unknown error (NULL)"));
440 ntlmssp_state->auth_context = NULL;
445 static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
448 uint8 lm_pw[16], nt_pw[16];
450 nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
452 nt_status = ntlm_password_check(ntlmssp_state->mem_ctx,
453 &ntlmssp_state->chal,
454 &ntlmssp_state->lm_resp,
455 &ntlmssp_state->nt_resp,
459 ntlmssp_state->domain,
460 lm_pw, nt_pw, user_session_key, lm_session_key);
462 if (NT_STATUS_IS_OK(nt_status)) {
463 ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state->mem_ctx,
464 "%s%c%s", ntlmssp_state->domain,
465 *lp_winbind_separator(),
466 ntlmssp_state->user);
468 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
469 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
470 nt_errstr(nt_status)));
471 ntlmssp_state->auth_context = NULL;
476 static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
479 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
480 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
484 status = ntlmssp_client_start(client_ntlmssp_state);
486 if (!NT_STATUS_IS_OK(status)) {
487 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
489 ntlmssp_end(client_ntlmssp_state);
493 status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
495 if (!NT_STATUS_IS_OK(status)) {
496 DEBUG(1, ("Could not set username: %s\n",
498 ntlmssp_end(client_ntlmssp_state);
502 status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
504 if (!NT_STATUS_IS_OK(status)) {
505 DEBUG(1, ("Could not set domain: %s\n",
507 ntlmssp_end(client_ntlmssp_state);
511 status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
513 if (!NT_STATUS_IS_OK(status)) {
514 DEBUG(1, ("Could not set password: %s\n",
516 ntlmssp_end(client_ntlmssp_state);
522 static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
524 NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
526 if (!NT_STATUS_IS_OK(status)) {
527 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
532 /* Have we been given a local password, or should we ask winbind? */
534 (*ntlmssp_state)->check_password = local_pw_check;
535 (*ntlmssp_state)->get_domain = lp_workgroup;
536 (*ntlmssp_state)->get_global_myname = global_myname;
538 (*ntlmssp_state)->check_password = winbind_pw_check;
539 (*ntlmssp_state)->get_domain = get_winbind_domain;
540 (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
545 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
546 char *buf, int length)
548 static NTLMSSP_STATE *ntlmssp_state = NULL;
549 DATA_BLOB request, reply;
552 if (strlen(buf) < 2) {
553 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
554 x_fprintf(x_stdout, "BH\n");
558 if (strlen(buf) > 3) {
559 request = base64_decode_data_blob(buf + 3);
561 request = data_blob(NULL, 0);
564 if ((strncmp(buf, "PW ", 3) == 0)) {
565 /* The calling application wants us to use a local password (rather than winbindd) */
567 opt_password = strndup((const char *)request.data, request.length);
569 if (opt_password == NULL) {
570 DEBUG(1, ("Out of memory\n"));
571 x_fprintf(x_stdout, "BH\n");
572 data_blob_free(&request);
576 x_fprintf(x_stdout, "OK\n");
577 data_blob_free(&request);
581 if (strncmp(buf, "YR", 2) == 0) {
583 ntlmssp_end(&ntlmssp_state);
584 } else if (strncmp(buf, "KK", 2) == 0) {
587 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
588 x_fprintf(x_stdout, "BH\n");
592 if (!ntlmssp_state) {
593 if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
594 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
599 DEBUG(10, ("got NTLMSSP packet:\n"));
600 dump_data(10, (const char *)request.data, request.length);
602 nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
604 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
605 char *reply_base64 = base64_encode_data_blob(reply);
606 x_fprintf(x_stdout, "TT %s\n", reply_base64);
607 SAFE_FREE(reply_base64);
608 data_blob_free(&reply);
609 DEBUG(10, ("NTLMSSP challenge\n"));
610 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
611 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
612 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
614 ntlmssp_end(&ntlmssp_state);
615 } else if (!NT_STATUS_IS_OK(nt_status)) {
616 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
617 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
619 x_fprintf(x_stdout, "AF %s\n", (char *)ntlmssp_state->auth_context);
620 DEBUG(10, ("NTLMSSP OK!\n"));
623 data_blob_free(&request);
626 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
627 char *buf, int length)
629 static NTLMSSP_STATE *ntlmssp_state = NULL;
630 DATA_BLOB request, reply;
634 if (strlen(buf) < 2) {
635 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
636 x_fprintf(x_stdout, "BH\n");
640 if (strlen(buf) > 3) {
641 request = base64_decode_data_blob(buf + 3);
643 request = data_blob(NULL, 0);
646 if (strncmp(buf, "PW ", 3) == 0) {
647 /* We asked for a password and obviously got it :-) */
649 opt_password = strndup((const char *)request.data, request.length);
651 if (opt_password == NULL) {
652 DEBUG(1, ("Out of memory\n"));
653 x_fprintf(x_stdout, "BH\n");
654 data_blob_free(&request);
658 x_fprintf(x_stdout, "OK\n");
659 data_blob_free(&request);
663 if (opt_password == NULL) {
665 /* Request a password from the calling process. After
666 sending it, the calling process should retry asking for the negotiate. */
668 DEBUG(10, ("Requesting password\n"));
669 x_fprintf(x_stdout, "PW\n");
673 if (strncmp(buf, "YR", 2) == 0) {
675 ntlmssp_end(&ntlmssp_state);
676 } else if (strncmp(buf, "TT", 2) == 0) {
679 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
680 x_fprintf(x_stdout, "BH\n");
684 if (!ntlmssp_state) {
685 if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_client(&ntlmssp_state))) {
686 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
692 DEBUG(10, ("got NTLMSSP packet:\n"));
693 dump_data(10, (const char *)request.data, request.length);
695 nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
697 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
698 char *reply_base64 = base64_encode_data_blob(reply);
700 x_fprintf(x_stdout, "YR %s\n", reply_base64);
702 x_fprintf(x_stdout, "KK %s\n", reply_base64);
704 SAFE_FREE(reply_base64);
705 data_blob_free(&reply);
706 DEBUG(10, ("NTLMSSP challenge\n"));
707 } else if (NT_STATUS_IS_OK(nt_status)) {
708 x_fprintf(x_stdout, "AF\n");
709 DEBUG(10, ("NTLMSSP OK!\n"));
711 ntlmssp_end(&ntlmssp_state);
713 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
714 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
716 ntlmssp_end(&ntlmssp_state);
719 data_blob_free(&request);
722 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
723 char *buf, int length)
728 pass=memchr(buf,' ',length);
730 DEBUG(2, ("Password not found. Denying access\n"));
731 x_fprintf(x_stdout, "ERR\n");
737 if (stdio_helper_mode == SQUID_2_5_BASIC) {
738 rfc1738_unescape(user);
739 rfc1738_unescape(pass);
742 if (check_plaintext_auth(user, pass, False)) {
743 x_fprintf(x_stdout, "OK\n");
745 x_fprintf(x_stdout, "ERR\n");
749 static void offer_gss_spnego_mechs(void) {
757 pstring myname_lower;
761 pstrcpy(myname_lower, global_myname());
762 strlower_m(myname_lower);
764 pstr_sprintf(principal, "%s$@%s", myname_lower, lp_realm());
766 /* Server negTokenInit (mech offerings) */
767 spnego.type = SPNEGO_NEG_TOKEN_INIT;
768 spnego.negTokenInit.mechTypes = smb_xmalloc(sizeof(char *) * 3);
770 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
771 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
772 spnego.negTokenInit.mechTypes[2] = NULL;
774 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
775 spnego.negTokenInit.mechTypes[1] = NULL;
779 spnego.negTokenInit.mechListMIC = data_blob(principal,
782 len = write_spnego_data(&token, &spnego);
783 free_spnego_data(&spnego);
786 DEBUG(1, ("Could not write SPNEGO data blob\n"));
787 x_fprintf(x_stdout, "BH\n");
791 reply_base64 = base64_encode_data_blob(token);
792 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
794 SAFE_FREE(reply_base64);
795 data_blob_free(&token);
796 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
800 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
801 char *buf, int length)
803 static NTLMSSP_STATE *ntlmssp_state = NULL;
804 SPNEGO_DATA request, response;
812 const char *reply_code;
814 pstring reply_argument;
816 if (strlen(buf) < 2) {
818 if (ntlmssp_state != NULL) {
819 DEBUG(1, ("Request for initial SPNEGO request where "
820 "we already have a state\n"));
821 x_fprintf(x_stdout, "BH\n");
825 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
826 x_fprintf(x_stdout, "BH\n");
830 if ( (strlen(buf) == 2) && (strcmp(buf, "YR") == 0) ) {
832 /* Initial request, get the negTokenInit offering
835 offer_gss_spnego_mechs();
839 /* All subsequent requests are "KK" (Knock, Knock ;)) and have
840 a blob. This might be negTokenInit or negTokenTarg */
842 if ( (strlen(buf) <= 3) || (strncmp(buf, "KK", 2) != 0) ) {
843 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
844 x_fprintf(x_stdout, "BH\n");
848 token = base64_decode_data_blob(buf + 3);
849 len = read_spnego_data(token, &request);
850 data_blob_free(&token);
853 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
854 x_fprintf(x_stdout, "BH\n");
858 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
860 /* Second request from Client. This is where the
861 client offers its mechanism to use. */
863 if ( (request.negTokenInit.mechTypes == NULL) ||
864 (request.negTokenInit.mechTypes[0] == NULL) ) {
865 DEBUG(1, ("Client did not offer any mechanism"));
866 x_fprintf(x_stdout, "BH\n");
870 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
872 if ( request.negTokenInit.mechToken.data == NULL ) {
873 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
874 x_fprintf(x_stdout, "BH\n");
878 if ( ntlmssp_state != NULL ) {
879 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
880 "already got one\n"));
881 x_fprintf(x_stdout, "BH\n");
882 ntlmssp_end(&ntlmssp_state);
886 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
887 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
891 DEBUG(10, ("got NTLMSSP packet:\n"));
892 dump_data(10, (const char *)request.negTokenInit.mechToken.data,
893 request.negTokenInit.mechToken.length);
895 response.type = SPNEGO_NEG_TOKEN_TARG;
896 response.negTokenTarg.supportedMech = strdup(OID_NTLMSSP);
897 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
899 status = ntlmssp_update(ntlmssp_state,
900 request.negTokenInit.mechToken,
901 &response.negTokenTarg.responseToken);
905 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
910 DATA_BLOB session_key;
912 if ( request.negTokenInit.mechToken.data == NULL ) {
913 DEBUG(1, ("Client did not provide Kerberos data\n"));
914 x_fprintf(x_stdout, "BH\n");
918 response.type = SPNEGO_NEG_TOKEN_TARG;
919 response.negTokenTarg.supportedMech = strdup(OID_KERBEROS5_OLD);
920 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
921 response.negTokenTarg.responseToken = data_blob(NULL, 0);
923 status = ads_verify_ticket(lp_realm(),
924 &request.negTokenInit.mechToken,
925 &principal, &auth_data, &ap_rep,
928 /* Now in "principal" we have the name we are
931 if (NT_STATUS_IS_OK(status)) {
933 domain = strchr(principal, '@');
935 if (domain == NULL) {
936 DEBUG(1, ("Did not get a valid principal "
937 "from ads_verify_ticket\n"));
938 x_fprintf(x_stdout, "BH\n");
943 domain = strdup(domain);
944 user = strdup(principal);
946 data_blob_free(&ap_rep);
947 data_blob_free(&auth_data);
949 SAFE_FREE(principal);
956 if ( (request.negTokenTarg.supportedMech == NULL) ||
957 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
958 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
959 is the only one we support that sends this stuff */
960 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
961 request.negTokenTarg.supportedMech));
962 x_fprintf(x_stdout, "BH\n");
966 if (request.negTokenTarg.responseToken.data == NULL) {
967 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
968 x_fprintf(x_stdout, "BH\n");
972 status = ntlmssp_update(ntlmssp_state,
973 request.negTokenTarg.responseToken,
974 &response.negTokenTarg.responseToken);
976 response.type = SPNEGO_NEG_TOKEN_TARG;
977 response.negTokenTarg.supportedMech = strdup(OID_NTLMSSP);
978 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
980 if (NT_STATUS_IS_OK(status)) {
981 user = strdup(ntlmssp_state->user);
982 domain = strdup(ntlmssp_state->domain);
983 ntlmssp_end(&ntlmssp_state);
987 free_spnego_data(&request);
989 if (NT_STATUS_IS_OK(status)) {
990 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
992 pstr_sprintf(reply_argument, "%s\\%s", domain, user);
993 } else if (NT_STATUS_EQUAL(status,
994 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
995 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
997 pstr_sprintf(reply_argument, "*");
999 response.negTokenTarg.negResult = SPNEGO_REJECT;
1001 pstrcpy(reply_argument, nt_errstr(status));
1007 len = write_spnego_data(&token, &response);
1008 free_spnego_data(&response);
1011 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1012 x_fprintf(x_stdout, "BH\n");
1016 reply_base64 = base64_encode_data_blob(token);
1018 x_fprintf(x_stdout, "%s %s %s\n",
1019 reply_code, reply_base64, reply_argument);
1021 SAFE_FREE(reply_base64);
1022 data_blob_free(&token);
1027 static NTLMSSP_STATE *client_ntlmssp_state = NULL;
1029 static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
1032 DATA_BLOB null_blob = data_blob(NULL, 0);
1033 DATA_BLOB to_server;
1034 char *to_server_base64;
1035 const char *my_mechs[] = {OID_NTLMSSP, NULL};
1037 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1039 if (client_ntlmssp_state != NULL) {
1040 DEBUG(1, ("Request for initial SPNEGO request where "
1041 "we already have a state\n"));
1045 if (!client_ntlmssp_state) {
1046 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
1047 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1053 if (opt_password == NULL) {
1055 /* Request a password from the calling process. After
1056 sending it, the calling process should retry with
1057 the negTokenInit. */
1059 DEBUG(10, ("Requesting password\n"));
1060 x_fprintf(x_stdout, "PW\n");
1064 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1065 spnego.negTokenInit.mechTypes = my_mechs;
1066 spnego.negTokenInit.reqFlags = 0;
1067 spnego.negTokenInit.mechListMIC = null_blob;
1069 status = ntlmssp_update(client_ntlmssp_state, null_blob,
1070 &spnego.negTokenInit.mechToken);
1072 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1073 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
1074 nt_errstr(status)));
1075 ntlmssp_end(&client_ntlmssp_state);
1079 write_spnego_data(&to_server, &spnego);
1080 data_blob_free(&spnego.negTokenInit.mechToken);
1082 to_server_base64 = base64_encode_data_blob(to_server);
1083 data_blob_free(&to_server);
1084 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1085 SAFE_FREE(to_server_base64);
1089 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego)
1092 DATA_BLOB null_blob = data_blob(NULL, 0);
1094 DATA_BLOB to_server;
1095 char *to_server_base64;
1097 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1099 if (client_ntlmssp_state == NULL) {
1100 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1101 x_fprintf(x_stdout, "BH\n");
1102 ntlmssp_end(&client_ntlmssp_state);
1106 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
1107 x_fprintf(x_stdout, "NA\n");
1108 ntlmssp_end(&client_ntlmssp_state);
1112 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
1113 x_fprintf(x_stdout, "AF\n");
1114 ntlmssp_end(&client_ntlmssp_state);
1118 status = ntlmssp_update(client_ntlmssp_state,
1119 spnego.negTokenTarg.responseToken,
1122 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1123 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1124 "ntlmssp_client_update, got: %s\n",
1125 nt_errstr(status)));
1126 x_fprintf(x_stdout, "BH\n");
1127 data_blob_free(&request);
1128 ntlmssp_end(&client_ntlmssp_state);
1132 spnego.type = SPNEGO_NEG_TOKEN_TARG;
1133 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1134 spnego.negTokenTarg.supportedMech = OID_NTLMSSP;
1135 spnego.negTokenTarg.responseToken = request;
1136 spnego.negTokenTarg.mechListMIC = null_blob;
1138 write_spnego_data(&to_server, &spnego);
1139 data_blob_free(&request);
1141 to_server_base64 = base64_encode_data_blob(to_server);
1142 data_blob_free(&to_server);
1143 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1144 SAFE_FREE(to_server_base64);
1150 static BOOL manage_client_krb5_init(SPNEGO_DATA spnego)
1153 DATA_BLOB tkt, to_server;
1154 DATA_BLOB session_key_krb5;
1159 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
1162 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
1163 (spnego.negTokenInit.mechListMIC.length == 0) ) {
1164 DEBUG(1, ("Did not get a principal for krb5\n"));
1168 principal = malloc(spnego.negTokenInit.mechListMIC.length+1);
1170 if (principal == NULL) {
1171 DEBUG(1, ("Could not malloc principal\n"));
1175 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
1176 spnego.negTokenInit.mechListMIC.length);
1177 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
1179 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5);
1185 /* Let's try to first get the TGT, for that we need a
1188 if (opt_password == NULL) {
1189 DEBUG(10, ("Requesting password\n"));
1190 x_fprintf(x_stdout, "PW\n");
1194 pstr_sprintf(user, "%s@%s", opt_username, opt_domain);
1196 if ((retval = kerberos_kinit_password(user, opt_password,
1198 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
1199 x_fprintf(x_stdout, "NA\n");
1203 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5);
1206 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
1210 data_blob_free(&session_key_krb5);
1214 reply.type = SPNEGO_NEG_TOKEN_INIT;
1215 reply.negTokenInit.mechTypes = my_mechs;
1216 reply.negTokenInit.reqFlags = 0;
1217 reply.negTokenInit.mechToken = tkt;
1218 reply.negTokenInit.mechListMIC = data_blob(NULL, 0);
1220 len = write_spnego_data(&to_server, &reply);
1221 data_blob_free(&tkt);
1224 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1228 reply_base64 = base64_encode_data_blob(to_server);
1229 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
1231 SAFE_FREE(reply_base64);
1232 data_blob_free(&to_server);
1233 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1237 static void manage_client_krb5_targ(SPNEGO_DATA spnego)
1239 switch (spnego.negTokenTarg.negResult) {
1240 case SPNEGO_ACCEPT_INCOMPLETE:
1241 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1242 x_fprintf(x_stdout, "BH\n");
1244 case SPNEGO_ACCEPT_COMPLETED:
1245 DEBUG(10, ("Accept completed\n"));
1246 x_fprintf(x_stdout, "AF\n");
1249 DEBUG(10, ("Rejected\n"));
1250 x_fprintf(x_stdout, "NA\n");
1253 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1254 x_fprintf(x_stdout, "AF\n");
1260 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
1261 char *buf, int length)
1267 if (strlen(buf) <= 3) {
1268 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
1269 x_fprintf(x_stdout, "BH\n");
1273 request = base64_decode_data_blob(buf+3);
1275 if (strncmp(buf, "PW ", 3) == 0) {
1277 /* We asked for a password and obviously got it :-) */
1279 opt_password = strndup((const char *)request.data, request.length);
1281 if (opt_password == NULL) {
1282 DEBUG(1, ("Out of memory\n"));
1283 x_fprintf(x_stdout, "BH\n");
1284 data_blob_free(&request);
1288 x_fprintf(x_stdout, "OK\n");
1289 data_blob_free(&request);
1293 if ( (strncmp(buf, "TT ", 3) != 0) &&
1294 (strncmp(buf, "AF ", 3) != 0) &&
1295 (strncmp(buf, "NA ", 3) != 0) ) {
1296 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
1297 x_fprintf(x_stdout, "BH\n");
1298 data_blob_free(&request);
1302 /* So we got a server challenge to generate a SPNEGO
1303 client-to-server request... */
1305 len = read_spnego_data(request, &spnego);
1306 data_blob_free(&request);
1309 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1310 x_fprintf(x_stdout, "BH\n");
1314 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1316 /* The server offers a list of mechanisms */
1318 const char **mechType = spnego.negTokenInit.mechTypes;
1320 while (*mechType != NULL) {
1323 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1324 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1325 if (manage_client_krb5_init(spnego))
1330 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1331 if (manage_client_ntlmssp_init(spnego))
1338 DEBUG(1, ("Server offered no compatible mechanism\n"));
1339 x_fprintf(x_stdout, "BH\n");
1343 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1345 if (spnego.negTokenTarg.supportedMech == NULL) {
1346 /* On accept/reject Windows does not send the
1347 mechanism anymore. Handle that here and
1348 shut down the mechanisms. */
1350 switch (spnego.negTokenTarg.negResult) {
1351 case SPNEGO_ACCEPT_COMPLETED:
1352 x_fprintf(x_stdout, "AF\n");
1355 x_fprintf(x_stdout, "NA\n");
1358 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1359 "unknown negResult: %d\n",
1360 spnego.negTokenTarg.negResult));
1361 x_fprintf(x_stdout, "BH\n");
1364 ntlmssp_end(&client_ntlmssp_state);
1368 if (strcmp(spnego.negTokenTarg.supportedMech,
1369 OID_NTLMSSP) == 0) {
1370 manage_client_ntlmssp_targ(spnego);
1375 if (strcmp(spnego.negTokenTarg.supportedMech,
1376 OID_KERBEROS5_OLD) == 0) {
1377 manage_client_krb5_targ(spnego);
1384 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1385 x_fprintf(x_stdout, "BH\n");
1389 free_spnego_data(&spnego);
1393 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
1394 char *buf, int length)
1396 char *request, *parameter;
1397 static DATA_BLOB challenge;
1398 static DATA_BLOB lm_response;
1399 static DATA_BLOB nt_response;
1400 static char *full_username;
1401 static char *username;
1402 static char *domain;
1403 static char *plaintext_password;
1404 static BOOL ntlm_server_1_user_session_key;
1405 static BOOL ntlm_server_1_lm_session_key;
1407 if (strequal(buf, ".")) {
1408 if (!full_username && !username) {
1409 x_fprintf(x_stdout, "Error: No username supplied!\n");
1410 } else if (plaintext_password) {
1411 /* handle this request as plaintext */
1412 if (!full_username) {
1413 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1414 x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
1418 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1419 x_fprintf(x_stdout, "Authenticated: Yes\n");
1421 x_fprintf(x_stdout, "Authenticated: No\n");
1423 } else if (!lm_response.data && !nt_response.data) {
1424 x_fprintf(x_stdout, "Error: No password supplied!\n");
1425 } else if (!challenge.data) {
1426 x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
1428 char *error_string = NULL;
1430 uchar user_session_key[16];
1433 if (full_username && !username) {
1435 fstring fstr_domain;
1437 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1438 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1439 x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
1441 SAFE_FREE(username);
1443 username = smb_xstrdup(fstr_user);
1444 domain = smb_xstrdup(fstr_domain);
1448 domain = smb_xstrdup(get_winbind_domain());
1451 if (ntlm_server_1_lm_session_key)
1452 flags |= WBFLAG_PAM_LMKEY;
1454 if (ntlm_server_1_user_session_key)
1455 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1457 if (!NT_STATUS_IS_OK(
1458 contact_winbind_auth_crap(username,
1470 x_fprintf(x_stdout, "Authenticated: No\n");
1471 x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
1472 SAFE_FREE(error_string);
1474 static char zeros[16];
1476 char *hex_user_session_key;
1478 x_fprintf(x_stdout, "Authenticated: Yes\n");
1480 if (ntlm_server_1_lm_session_key
1481 && (memcmp(zeros, lm_key,
1482 sizeof(lm_key)) != 0)) {
1483 hex_encode((const unsigned char *)lm_key,
1486 x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
1487 SAFE_FREE(hex_lm_key);
1490 if (ntlm_server_1_user_session_key
1491 && (memcmp(zeros, user_session_key,
1492 sizeof(user_session_key)) != 0)) {
1493 hex_encode((const unsigned char *)user_session_key,
1494 sizeof(user_session_key),
1495 &hex_user_session_key);
1496 x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
1497 SAFE_FREE(hex_user_session_key);
1501 /* clear out the state */
1502 challenge = data_blob(NULL, 0);
1503 nt_response = data_blob(NULL, 0);
1504 lm_response = data_blob(NULL, 0);
1505 SAFE_FREE(full_username);
1506 SAFE_FREE(username);
1508 SAFE_FREE(plaintext_password);
1509 ntlm_server_1_user_session_key = False;
1510 ntlm_server_1_lm_session_key = False;
1511 x_fprintf(x_stdout, ".\n");
1518 /* Indicates a base64 encoded structure */
1519 parameter = strstr_m(request, ":: ");
1521 parameter = strstr_m(request, ": ");
1524 DEBUG(0, ("Parameter not found!\n"));
1525 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
1542 base64_decode_inplace(parameter);
1545 if (strequal(request, "LANMAN-Challenge")) {
1546 challenge = strhex_to_data_blob(parameter);
1547 if (challenge.length != 8) {
1548 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1550 (int)challenge.length);
1551 challenge = data_blob(NULL, 0);
1553 } else if (strequal(request, "NT-Response")) {
1554 nt_response = strhex_to_data_blob(parameter);
1555 if (nt_response.length < 24) {
1556 x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1558 (int)opt_nt_response.length);
1559 nt_response = data_blob(NULL, 0);
1561 } else if (strequal(request, "LANMAN-Response")) {
1562 lm_response = strhex_to_data_blob(parameter);
1563 if (lm_response.length != 24) {
1564 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1566 (int)lm_response.length);
1567 lm_response = data_blob(NULL, 0);
1569 } else if (strequal(request, "Password")) {
1570 plaintext_password = smb_xstrdup(parameter);
1571 } else if (strequal(request, "NT-Domain")) {
1572 domain = smb_xstrdup(parameter);
1573 } else if (strequal(request, "Username")) {
1574 username = smb_xstrdup(parameter);
1575 } else if (strequal(request, "Full-Username")) {
1576 full_username = smb_xstrdup(parameter);
1577 } else if (strequal(request, "Request-User-Session-Key")) {
1578 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
1579 } else if (strequal(request, "Request-LanMan-Session-Key")) {
1580 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
1582 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
1586 static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
1588 char buf[SQUID_BUFFER_SIZE+1];
1593 /* this is not a typo - x_fgets doesn't work too well under squid */
1594 if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
1595 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin),
1596 strerror(ferror(stdin))));
1597 exit(1); /* BIIG buffer */
1600 c=memchr(buf,'\n',sizeof(buf)-1);
1609 DEBUG(2, ("Oversized message\n"));
1610 x_fprintf(x_stderr, "ERR\n");
1615 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
1617 if (buf[0] == '\0') {
1618 DEBUG(2, ("Invalid Request\n"));
1619 x_fprintf(x_stderr, "ERR\n");
1623 fn(helper_mode, buf, length);
1627 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
1628 /* initialize FDescs */
1629 x_setbuf(x_stdout, NULL);
1630 x_setbuf(x_stderr, NULL);
1632 manage_squid_request(stdio_mode, fn);
1637 /* Authenticate a user with a challenge/response */
1639 static BOOL check_auth_crap(void)
1644 char user_session_key[16];
1646 char *hex_user_session_key;
1648 static uint8 zeros[16];
1650 x_setbuf(x_stdout, NULL);
1653 flags |= WBFLAG_PAM_LMKEY;
1655 if (request_user_session_key)
1656 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1658 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
1660 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1666 (unsigned char *)lm_key,
1667 (unsigned char *)user_session_key,
1668 &error_string, NULL);
1670 if (!NT_STATUS_IS_OK(nt_status)) {
1671 x_fprintf(x_stdout, "%s (0x%x)\n",
1673 NT_STATUS_V(nt_status));
1674 SAFE_FREE(error_string);
1679 && (memcmp(zeros, lm_key,
1680 sizeof(lm_key)) != 0)) {
1681 hex_encode((const unsigned char *)lm_key,
1684 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
1685 SAFE_FREE(hex_lm_key);
1687 if (request_user_session_key
1688 && (memcmp(zeros, user_session_key,
1689 sizeof(user_session_key)) != 0)) {
1690 hex_encode((const unsigned char *)user_session_key,
1691 sizeof(user_session_key),
1692 &hex_user_session_key);
1693 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
1694 SAFE_FREE(hex_user_session_key);
1703 OPT_USERNAME = 1000,
1712 OPT_USER_SESSION_KEY,
1714 OPT_REQUIRE_MEMBERSHIP
1717 int main(int argc, const char **argv)
1720 static const char *helper_protocol;
1721 static int diagnostics;
1723 static const char *hex_challenge;
1724 static const char *hex_lm_response;
1725 static const char *hex_nt_response;
1729 /* NOTE: DO NOT change this interface without considering the implications!
1730 This is an external interface, which other programs will use to interact
1734 /* We do not use single-letter command abbreviations, because they harm future
1735 interface stability. */
1737 struct poptOption long_options[] = {
1739 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
1740 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
1741 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
1742 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
1743 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
1744 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
1745 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
1746 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
1747 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retreive LM session key"},
1748 { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retreive User (NT) session key"},
1749 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
1750 { "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" },
1755 /* Samba client initialisation */
1759 /* Samba client initialisation */
1761 if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
1762 d_fprintf(stderr, "wbinfo: error opening config file %s. Error was %s\n",
1763 dyn_CONFIGFILE, strerror(errno));
1769 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
1771 /* Parse command line options */
1774 poptPrintHelp(pc, stderr, 0);
1778 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
1779 POPT_CONTEXT_KEEP_FIRST);
1781 while((opt = poptGetNextOpt(pc)) != -1) {
1784 opt_challenge = strhex_to_data_blob(hex_challenge);
1785 if (opt_challenge.length != 8) {
1786 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
1788 (int)opt_challenge.length);
1793 opt_lm_response = strhex_to_data_blob(hex_lm_response);
1794 if (opt_lm_response.length != 24) {
1795 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
1797 (int)opt_lm_response.length);
1803 opt_nt_response = strhex_to_data_blob(hex_nt_response);
1804 if (opt_nt_response.length < 24) {
1805 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
1807 (int)opt_nt_response.length);
1812 case OPT_REQUIRE_MEMBERSHIP:
1813 if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
1814 require_membership_sid = require_membership_of;
1820 if (helper_protocol) {
1822 for (i=0; i<NUM_HELPER_MODES; i++) {
1823 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
1824 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
1828 x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
1830 for (i=0; i<NUM_HELPER_MODES; i++) {
1831 x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
1837 if (!opt_username) {
1838 x_fprintf(x_stderr, "username must be specified!\n\n");
1839 poptPrintHelp(pc, stderr, 0);
1843 if (opt_domain == NULL) {
1844 opt_domain = get_winbind_domain();
1847 if (opt_workstation == NULL) {
1848 opt_workstation = "";
1851 if (opt_challenge.length) {
1852 if (!check_auth_crap()) {
1858 if (!opt_password) {
1859 opt_password = getpass("password: ");
1863 if (!diagnose_ntlm_auth()) {
1869 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
1870 if (!check_plaintext_auth(user, opt_password, True)) {
1877 poptFreeContext(pc);