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
11 Copyright (C) Simo Sorce 2010
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 3 of the License, or
16 (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include "lib/param/param.h"
29 #include "lib/cmdline/cmdline.h"
30 #include "libcli/security/security.h"
31 #include "utils/ntlm_auth.h"
32 #include "../libcli/auth/libcli_auth.h"
33 #include "auth/ntlmssp/ntlmssp.h"
34 #include "auth/gensec/gensec.h"
35 #include "auth/gensec/gensec_internal.h"
36 #include "auth/credentials/credentials.h"
37 #include "librpc/crypto/gse.h"
39 #include "lib/util/tiniparser.h"
40 #include "librpc/gen_ndr/krb5pac.h"
41 #include "auth/common_auth.h"
42 #include "source3/include/auth.h"
43 #include "source3/auth/proto.h"
44 #include "nsswitch/libwbclient/wbclient.h"
45 #include "nsswitch/winbind_struct_protocol.h"
46 #include "nsswitch/libwbclient/wbclient_internal.h"
47 #include "lib/param/loadparm.h"
48 #include "lib/util/base64.h"
49 #include "cmdline_contexts.h"
50 #include "lib/util/tevent_ntstatus.h"
51 #include "lib/util/string_wrappers.h"
53 #include <gnutls/gnutls.h>
54 #include <gnutls/crypto.h>
57 #include "auth/kerberos/pac_utils.h"
60 #ifndef PAM_WINBIND_CONFIG_FILE
61 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
64 #define WINBIND_KRB5_AUTH 0x00000080
67 #define DBGC_CLASS DBGC_WINBIND
69 #define INITIAL_BUFFER_SIZE 300
70 #define MAX_BUFFER_SIZE 630000
72 enum stdio_helper_mode {
80 NTLM_CHANGE_PASSWORD_1,
84 enum ntlm_auth_cli_state {
91 struct ntlm_auth_state {
93 enum stdio_helper_mode helper_mode;
94 enum ntlm_auth_cli_state cli_state;
95 struct ntlmssp_state *ntlmssp_state;
97 char *want_feature_list;
98 bool have_session_key;
99 DATA_BLOB session_key;
100 DATA_BLOB initial_message;
101 void *gensec_private_1;
103 typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
104 struct loadparm_context *lp_ctx,
105 struct ntlm_auth_state *state, char *buf,
106 int length, void **private2);
108 static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
109 struct loadparm_context *lp_ctx,
110 char *buf, int length, void **private1);
112 static void manage_squid_request(enum stdio_helper_mode stdio_helper_mode,
113 struct loadparm_context *lp_ctx,
114 struct ntlm_auth_state *state,
115 stdio_helper_function fn, void **private2);
117 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
118 struct loadparm_context *lp_ctx,
119 struct ntlm_auth_state *state,
120 char *buf, int length, void **private2);
122 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
123 struct loadparm_context *lp_ctx,
124 struct ntlm_auth_state *state,
125 char *buf, int length, void **private2);
127 static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
128 struct loadparm_context *lp_ctx,
129 struct ntlm_auth_state *state,
130 char *buf, int length, void **private2);
132 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
133 struct loadparm_context *lp_ctx,
134 struct ntlm_auth_state *state,
135 char *buf, int length, void **private2);
137 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
138 struct loadparm_context *lp_ctx,
139 struct ntlm_auth_state *state,
140 char *buf, int length, void **private2);
142 static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
143 struct loadparm_context *lp_ctx,
144 struct ntlm_auth_state *state,
145 char *buf, int length, void **private2);
147 static void manage_ntlm_change_password_1_request(enum stdio_helper_mode stdio_helper_mode,
148 struct loadparm_context *lp_ctx,
149 struct ntlm_auth_state *state,
150 char *buf, int length, void **private2);
152 static const struct {
153 enum stdio_helper_mode mode;
155 stdio_helper_function fn;
156 } stdio_helper_protocols[] = {
157 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
158 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
159 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
160 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
161 { GSS_SPNEGO_SERVER, "gss-spnego", manage_gss_spnego_request},
162 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
163 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
164 { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
165 { NUM_HELPER_MODES, NULL, NULL}
168 const char *opt_username;
169 const char *opt_domain;
170 const char *opt_workstation;
171 const char *opt_password;
172 static DATA_BLOB opt_challenge;
173 static DATA_BLOB opt_lm_response;
174 static DATA_BLOB opt_nt_response;
175 static int request_lm_key;
176 static int request_user_session_key;
177 static int use_cached_creds;
178 static int offline_logon;
179 static int opt_allow_mschapv2;
181 static const char *require_membership_of;
182 static const char *require_membership_of_sid;
183 static const char *opt_pam_winbind_conf;
185 const char *opt_target_service;
186 const char *opt_target_hostname;
189 /* This is a bit hairy, but the basic idea is to do a password callback
190 to the calling application. The callback comes from within gensec */
192 static void manage_gensec_get_pw_request(enum stdio_helper_mode stdio_helper_mode,
193 struct loadparm_context *lp_ctx,
194 struct ntlm_auth_state *state, char *buf, int length,
198 if (strlen(buf) < 2) {
199 DEBUG(1, ("query [%s] invalid\n", buf));
200 printf("BH Query invalid\n");
204 if (strlen(buf) > 3) {
205 in = base64_decode_data_blob(buf + 3);
207 in = data_blob(NULL, 0);
210 if (strncmp(buf, "PW ", 3) == 0) {
212 *password = talloc_strndup(NULL,
213 (const char *)in.data, in.length);
215 if (*password == NULL) {
216 DEBUG(1, ("Out of memory\n"));
217 printf("BH Out of memory\n");
226 DEBUG(1, ("Asked for (and expected) a password\n"));
227 printf("BH Expected a password\n");
232 * Callback for password credentials. This is not async, and when
233 * GENSEC and the credentials code is made async, it will look rather
237 static const char *get_password(struct cli_credentials *credentials)
239 TALLOC_CTX *frame = talloc_stackframe();
240 char *password = NULL;
241 struct ntlm_auth_state *state;
243 state = talloc_zero(frame, struct ntlm_auth_state);
245 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
246 fprintf(stderr, "ERR\n");
250 state->mem_ctx = state;
252 /* Ask for a password */
255 manage_squid_request(NUM_HELPER_MODES /* bogus */, NULL, state, manage_gensec_get_pw_request, (void **)&password);
256 talloc_steal(credentials, password);
262 * A limited set of features are defined with text strings as needed
266 static void gensec_want_feature_list(struct gensec_security *state, char* feature_list)
268 if (in_list("NTLMSSP_FEATURE_SESSION_KEY", feature_list, true)) {
269 DEBUG(10, ("want GENSEC_FEATURE_SESSION_KEY\n"));
270 gensec_want_feature(state, GENSEC_FEATURE_SESSION_KEY);
272 if (in_list("NTLMSSP_FEATURE_SIGN", feature_list, true)) {
273 DEBUG(10, ("want GENSEC_FEATURE_SIGN\n"));
274 gensec_want_feature(state, GENSEC_FEATURE_SIGN);
276 if (in_list("NTLMSSP_FEATURE_SEAL", feature_list, true)) {
277 DEBUG(10, ("want GENSEC_FEATURE_SEAL\n"));
278 gensec_want_feature(state, GENSEC_FEATURE_SEAL);
280 if (in_list("NTLMSSP_FEATURE_CCACHE", feature_list, true)) {
281 DEBUG(10, ("want GENSEC_FEATURE_NTLM_CCACHE\n"));
282 gensec_want_feature(state, GENSEC_FEATURE_NTLM_CCACHE);
286 static char winbind_separator(void)
288 struct wbcInterfaceDetails *details;
296 ret = wbcInterfaceDetails(&details);
297 if (!WBC_ERROR_IS_OK(ret)) {
298 d_fprintf(stderr, "could not obtain winbind separator!\n");
299 return *lp_winbind_separator();
302 sep = details->winbind_separator;
304 wbcFreeMemory(details);
309 d_fprintf(stderr, "winbind separator was NULL!\n");
310 return *lp_winbind_separator();
316 const char *get_winbind_domain(void)
318 struct wbcInterfaceDetails *details;
321 static fstring winbind_domain;
322 if (*winbind_domain) {
323 return winbind_domain;
326 /* Send off request */
328 ret = wbcInterfaceDetails(&details);
329 if (!WBC_ERROR_IS_OK(ret)) {
330 DEBUG(1, ("could not obtain winbind domain name!\n"));
331 return lp_workgroup();
334 fstrcpy(winbind_domain, details->netbios_domain);
336 wbcFreeMemory(details);
338 return winbind_domain;
342 const char *get_winbind_netbios_name(void)
344 struct wbcInterfaceDetails *details;
347 static fstring winbind_netbios_name;
349 if (*winbind_netbios_name) {
350 return winbind_netbios_name;
353 /* Send off request */
355 ret = wbcInterfaceDetails(&details);
356 if (!WBC_ERROR_IS_OK(ret)) {
357 DEBUG(1, ("could not obtain winbind netbios name!\n"));
358 return lp_netbios_name();
361 fstrcpy(winbind_netbios_name, details->netbios_name);
363 wbcFreeMemory(details);
365 return winbind_netbios_name;
369 DATA_BLOB get_challenge(void)
371 static DATA_BLOB chal;
372 if (opt_challenge.length)
373 return opt_challenge;
375 chal = data_blob(NULL, 8);
377 generate_random_buffer(chal.data, chal.length);
381 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
382 form DOMAIN/user into a domain and a user */
384 static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
388 char *p = strchr(domuser,winbind_separator());
395 fstrcpy(domain, domuser);
396 domain[PTR_DIFF(p, domuser)] = 0;
397 return strupper_m(domain);
400 static bool get_require_membership_sid(void) {
401 fstring domain, name, sidbuf;
402 struct wbcDomainSid sid;
403 enum wbcSidType type;
406 if (!require_membership_of) {
410 if (require_membership_of_sid) {
414 /* Otherwise, ask winbindd for the name->sid request */
416 if (!parse_ntlm_auth_domain_user(require_membership_of,
418 DEBUG(0, ("Could not parse %s into separate domain/name parts!\n",
419 require_membership_of));
423 ret = wbcLookupName(domain, name, &sid, &type);
424 if (!WBC_ERROR_IS_OK(ret)) {
425 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
426 require_membership_of));
430 wbcSidToStringBuf(&sid, sidbuf, sizeof(sidbuf));
432 require_membership_of_sid = SMB_STRDUP(sidbuf);
434 if (require_membership_of_sid)
441 * Get some configuration from pam_winbind.conf to see if we
442 * need to contact trusted domain
445 int get_pam_winbind_config(void)
448 struct tiniparser_dictionary *d = NULL;
450 if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
451 opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
454 d = tiniparser_load(opt_pam_winbind_conf);
460 if (tiniparser_getboolean(d, "global:krb5_auth", false)) {
461 ctrl |= WINBIND_KRB5_AUTH;
464 tiniparser_freedict(d);
469 /* Authenticate a user with a plaintext password */
471 static bool check_plaintext_auth(const char *user, const char *pass,
472 bool stdout_diagnostics)
474 struct winbindd_request request;
475 struct winbindd_response response;
478 if (!get_require_membership_sid()) {
482 /* Send off request */
484 ZERO_STRUCT(request);
485 ZERO_STRUCT(response);
487 fstrcpy(request.data.auth.user, user);
488 fstrcpy(request.data.auth.pass, pass);
489 if (require_membership_of_sid) {
490 strlcpy(request.data.auth.require_membership_of_sid,
491 require_membership_of_sid,
492 sizeof(request.data.auth.require_membership_of_sid));
496 request.flags |= WBFLAG_PAM_CACHED_LOGIN;
499 ret = wbcRequestResponse(NULL, WINBINDD_PAM_AUTH,
500 &request, &response);
502 /* Display response */
504 if (stdout_diagnostics) {
505 if (!WBC_ERROR_IS_OK(ret) && (response.data.auth.nt_status == 0)) {
506 d_fprintf(stderr, "Reading winbind reply failed! (0x01)\n");
509 d_printf("%s: %s (0x%x)\n",
510 response.data.auth.nt_status_string,
511 response.data.auth.error_string,
512 response.data.auth.nt_status);
514 if (!WBC_ERROR_IS_OK(ret) && (response.data.auth.nt_status == 0)) {
515 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
518 DEBUG(3, ("%s: %s (0x%x)\n",
519 response.data.auth.nt_status_string,
520 response.data.auth.error_string,
521 response.data.auth.nt_status));
524 return WBC_ERROR_IS_OK(ret);
527 /* authenticate a user with an encrypted username/password */
529 NTSTATUS contact_winbind_auth_crap(const char *username,
531 const char *workstation,
532 const DATA_BLOB *challenge,
533 const DATA_BLOB *lm_response,
534 const DATA_BLOB *nt_response,
536 uint32_t extra_logon_parameters,
538 uint8_t user_session_key[16],
539 uint8_t *pauthoritative,
545 struct winbindd_request request;
546 struct winbindd_response response;
550 if (!get_require_membership_sid()) {
551 return NT_STATUS_INVALID_PARAMETER;
554 ZERO_STRUCT(request);
555 ZERO_STRUCT(response);
557 request.flags = flags;
559 request.data.auth_crap.logon_parameters = extra_logon_parameters
560 | MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
562 if (opt_allow_mschapv2) {
563 request.data.auth_crap.logon_parameters |= MSV1_0_ALLOW_MSVCHAPV2;
566 if (require_membership_of_sid)
567 fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
569 fstrcpy(request.data.auth_crap.user, username);
570 fstrcpy(request.data.auth_crap.domain, domain);
572 fstrcpy(request.data.auth_crap.workstation,
575 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
577 if (lm_response && lm_response->length) {
578 size_t capped_lm_response_len = MIN(
580 sizeof(request.data.auth_crap.lm_resp));
582 memcpy(request.data.auth_crap.lm_resp,
584 capped_lm_response_len);
585 request.data.auth_crap.lm_resp_len = capped_lm_response_len;
588 if (nt_response && nt_response->length) {
589 if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
590 request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
591 request.extra_len = nt_response->length;
592 request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
593 if (request.extra_data.data == NULL) {
594 return NT_STATUS_NO_MEMORY;
596 memcpy(request.extra_data.data, nt_response->data,
597 nt_response->length);
600 memcpy(request.data.auth_crap.nt_resp,
601 nt_response->data, nt_response->length);
603 request.data.auth_crap.nt_resp_len = nt_response->length;
606 ret = wbcRequestResponsePriv(
608 WINBINDD_PAM_AUTH_CRAP,
611 SAFE_FREE(request.extra_data.data);
613 /* Display response */
615 if (!WBC_ERROR_IS_OK(ret) && (response.data.auth.nt_status == 0)) {
616 nt_status = NT_STATUS_UNSUCCESSFUL;
618 *error_string = smb_xstrdup("Reading winbind reply failed!");
619 winbindd_free_response(&response);
623 nt_status = (NT_STATUS(response.data.auth.nt_status));
624 if (!NT_STATUS_IS_OK(nt_status)) {
626 *error_string = smb_xstrdup(response.data.auth.error_string);
627 *pauthoritative = response.data.auth.authoritative;
628 winbindd_free_response(&response);
632 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
633 memcpy(lm_key, response.data.auth.first_8_lm_hash,
634 sizeof(response.data.auth.first_8_lm_hash));
636 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
637 memcpy(user_session_key, response.data.auth.user_session_key,
638 sizeof(response.data.auth.user_session_key));
641 if (flags & WBFLAG_PAM_UNIX_NAME) {
642 *unix_name = SMB_STRDUP(response.data.auth.unix_username);
644 winbindd_free_response(&response);
645 return NT_STATUS_NO_MEMORY;
649 winbindd_free_response(&response);
653 /* contact server to change user password using auth crap */
654 static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
656 const DATA_BLOB new_nt_pswd,
657 const DATA_BLOB old_nt_hash_enc,
658 const DATA_BLOB new_lm_pswd,
659 const DATA_BLOB old_lm_hash_enc,
664 struct winbindd_request request;
665 struct winbindd_response response;
667 if (!get_require_membership_sid())
670 *error_string = smb_xstrdup("Can't get membership sid.");
671 return NT_STATUS_INVALID_PARAMETER;
674 ZERO_STRUCT(request);
675 ZERO_STRUCT(response);
678 fstrcpy(request.data.chng_pswd_auth_crap.user, username);
680 fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
682 if(new_nt_pswd.length)
684 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
685 request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
688 if(old_nt_hash_enc.length)
690 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));
691 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
694 if(new_lm_pswd.length)
696 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
697 request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
700 if(old_lm_hash_enc.length)
702 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));
703 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
706 ret = wbcRequestResponse(NULL, WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP,
707 &request, &response);
709 /* Display response */
711 if (!WBC_ERROR_IS_OK(ret) && (response.data.auth.nt_status == 0))
713 nt_status = NT_STATUS_UNSUCCESSFUL;
715 *error_string = smb_xstrdup("Reading winbind reply failed!");
716 winbindd_free_response(&response);
720 nt_status = (NT_STATUS(response.data.auth.nt_status));
721 if (!NT_STATUS_IS_OK(nt_status))
724 *error_string = smb_xstrdup(response.data.auth.error_string);
725 winbindd_free_response(&response);
729 winbindd_free_response(&response);
735 * This function does not create a full auth_session_info, just enough
736 * for the caller to get the "unix" username
738 static NTSTATUS ntlm_auth_generate_session_info(struct auth4_context *auth_context,
740 void *server_returned_info,
741 const char *original_user_name,
742 uint32_t session_info_flags,
743 struct auth_session_info **session_info_out)
745 const char *unix_username = (const char *)server_returned_info;
746 struct dom_sid *sids = NULL;
747 struct auth_session_info *session_info = NULL;
749 session_info = talloc_zero(mem_ctx, struct auth_session_info);
750 if (session_info == NULL) {
751 return NT_STATUS_NO_MEMORY;
754 session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix);
755 if (session_info->unix_info == NULL) {
756 TALLOC_FREE(session_info);
757 return NT_STATUS_NO_MEMORY;
759 session_info->unix_info->unix_name = talloc_strdup(session_info->unix_info,
761 if (session_info->unix_info->unix_name == NULL) {
762 TALLOC_FREE(session_info);
763 return NT_STATUS_NO_MEMORY;
767 * This is not a full session_info - it is not created
768 * correctly and misses any claims etc, because all we
769 * actually use in the caller is the unix username.
771 * Therefore so no claims need to be added and
772 * se_access_check() will never run.
774 session_info->security_token
775 = security_token_initialise(talloc_tos(),
776 CLAIMS_EVALUATION_INVALID_STATE);
777 if (session_info->security_token == NULL) {
778 TALLOC_FREE(session_info);
779 return NT_STATUS_NO_MEMORY;
782 sids = talloc_zero_array(session_info->security_token,
785 TALLOC_FREE(session_info);
786 return NT_STATUS_NO_MEMORY;
788 sid_copy(&sids[0], &global_sid_World);
789 sid_copy(&sids[1], &global_sid_Network);
790 sid_copy(&sids[2], &global_sid_Authenticated_Users);
792 session_info->security_token->num_sids = talloc_array_length(sids);
793 session_info->security_token->sids = sids;
795 *session_info_out = session_info;
800 static NTSTATUS ntlm_auth_generate_session_info_pac(struct auth4_context *auth_ctx,
802 struct smb_krb5_context *smb_krb5_context,
804 const char *princ_name,
805 const struct tsocket_address *remote_address,
806 uint32_t session_info_flags,
807 struct auth_session_info **session_info)
810 struct PAC_LOGON_INFO *logon_info = NULL;
813 const char *domain = "";
814 const char *user = "";
816 tmp_ctx = talloc_new(mem_ctx);
818 return NT_STATUS_NO_MEMORY;
823 status = kerberos_pac_logon_info(tmp_ctx, *pac_blob, NULL, NULL,
824 NULL, NULL, 0, &logon_info);
826 status = NT_STATUS_ACCESS_DENIED;
828 if (!NT_STATUS_IS_OK(status)) {
832 status = NT_STATUS_ACCESS_DENIED;
833 DBG_WARNING("Kerberos ticket for[%s] has no PAC: %s\n",
834 princ_name, nt_errstr(status));
838 if (logon_info->info3.base.account_name.string != NULL) {
839 user = logon_info->info3.base.account_name.string;
843 if (logon_info->info3.base.logon_domain.string != NULL) {
844 domain = logon_info->info3.base.logon_domain.string;
849 if (strlen(user) == 0 || strlen(domain) == 0) {
850 status = NT_STATUS_ACCESS_DENIED;
851 DBG_WARNING("Kerberos ticket for[%s] has invalid "
852 "account_name[%s]/logon_domain[%s]: %s\n",
854 logon_info->info3.base.account_name.string,
855 logon_info->info3.base.logon_domain.string,
860 DBG_NOTICE("Kerberos ticket principal name is [%s] "
861 "account_name[%s]/logon_domain[%s]\n",
862 princ_name, user, domain);
864 if (!strequal(domain, lp_workgroup())) {
865 if (!lp_allow_trusted_domains()) {
866 status = NT_STATUS_LOGON_FAILURE;
871 unixuser = talloc_asprintf(tmp_ctx, "%s%c%s", domain, winbind_separator(), user);
873 status = NT_STATUS_NO_MEMORY;
877 status = ntlm_auth_generate_session_info(auth_ctx, mem_ctx, unixuser, NULL, session_info_flags, session_info);
880 TALLOC_FREE(tmp_ctx);
887 * Return the challenge as determined by the authentication subsystem
888 * @return an 8 byte random challenge
891 static NTSTATUS ntlm_auth_get_challenge(struct auth4_context *auth_ctx,
894 if (auth_ctx->challenge.data.length == 8) {
895 DEBUG(5, ("auth_get_challenge: returning previous challenge by module %s (normal)\n",
896 auth_ctx->challenge.set_by));
897 memcpy(chal, auth_ctx->challenge.data.data, 8);
901 if (!auth_ctx->challenge.set_by) {
902 generate_random_buffer(chal, 8);
904 auth_ctx->challenge.data = data_blob_talloc(auth_ctx, chal, 8);
905 NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.data.data);
906 auth_ctx->challenge.set_by = "random";
909 DEBUG(10,("auth_get_challenge: challenge set by %s\n",
910 auth_ctx->challenge.set_by));
916 * NTLM2 authentication modifies the effective challenge,
917 * @param challenge The new challenge value
919 static NTSTATUS ntlm_auth_set_challenge(struct auth4_context *auth_ctx, const uint8_t chal[8], const char *set_by)
921 auth_ctx->challenge.set_by = talloc_strdup(auth_ctx, set_by);
922 NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.set_by);
924 auth_ctx->challenge.data = data_blob_talloc(auth_ctx, chal, 8);
925 NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.data.data);
931 * Check the password on an NTLMSSP login.
933 * Return the session keys used on the connection.
936 struct winbind_pw_check_state {
937 uint8_t authoritative;
939 DATA_BLOB nt_session_key;
940 DATA_BLOB lm_session_key;
943 static struct tevent_req *winbind_pw_check_send(
945 struct tevent_context *ev,
946 struct auth4_context *auth4_context,
947 const struct auth_usersupplied_info *user_info)
949 struct tevent_req *req = NULL;
950 struct winbind_pw_check_state *state = NULL;
952 char *error_string = NULL;
954 uint8_t user_sess_key[16];
955 char *unix_name = NULL;
957 req = tevent_req_create(
958 mem_ctx, &state, struct winbind_pw_check_state);
963 nt_status = contact_winbind_auth_crap(
964 user_info->client.account_name,
965 user_info->client.domain_name,
966 user_info->workstation_name,
967 &auth4_context->challenge.data,
968 &user_info->password.response.lanman,
969 &user_info->password.response.nt,
971 WBFLAG_PAM_USER_SESSION_KEY |
972 WBFLAG_PAM_UNIX_NAME,
974 lm_key, user_sess_key,
975 &state->authoritative,
979 if (tevent_req_nterror(req, nt_status)) {
980 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
981 DBG_ERR("Login for user [%s]\\[%s]@[%s] failed due "
983 user_info->client.domain_name,
984 user_info->client.account_name,
985 user_info->workstation_name,
988 "unknown error (NULL)");
990 DBG_NOTICE("Login for user [%s]\\[%s]@[%s] failed due "
992 user_info->client.domain_name,
993 user_info->client.account_name,
994 user_info->workstation_name,
997 "unknown error (NULL)");
1002 if (!all_zero(lm_key, 8)) {
1003 state->lm_session_key = data_blob_talloc(state, NULL, 16);
1004 if (tevent_req_nomem(state->lm_session_key.data, req)) {
1007 memcpy(state->lm_session_key.data, lm_key, 8);
1008 memset(state->lm_session_key.data+8, '\0', 8);
1010 if (!all_zero(user_sess_key, 16)) {
1011 state->nt_session_key = data_blob_talloc(
1012 state, user_sess_key, 16);
1013 if (tevent_req_nomem(state->nt_session_key.data, req)) {
1017 state->server_info = talloc_strdup(state, unix_name);
1018 if (tevent_req_nomem(state->server_info, req)) {
1021 tevent_req_done(req);
1024 SAFE_FREE(error_string);
1025 SAFE_FREE(unix_name);
1026 return tevent_req_post(req, ev);
1029 static NTSTATUS winbind_pw_check_recv(struct tevent_req *req,
1030 TALLOC_CTX *mem_ctx,
1031 uint8_t *pauthoritative,
1032 void **server_returned_info,
1033 DATA_BLOB *nt_session_key,
1034 DATA_BLOB *lm_session_key)
1036 struct winbind_pw_check_state *state = tevent_req_data(
1037 req, struct winbind_pw_check_state);
1040 if (pauthoritative != NULL) {
1041 *pauthoritative = state->authoritative;
1044 if (tevent_req_is_nterror(req, &status)) {
1048 if (server_returned_info != NULL) {
1049 *server_returned_info = talloc_move(
1050 mem_ctx, &state->server_info);
1052 if (nt_session_key != NULL) {
1053 *nt_session_key = (DATA_BLOB) {
1054 .data = talloc_move(
1055 mem_ctx, &state->nt_session_key.data),
1056 .length = state->nt_session_key.length,
1059 if (lm_session_key != NULL) {
1060 *lm_session_key = (DATA_BLOB) {
1061 .data = talloc_move(
1062 mem_ctx, &state->lm_session_key.data),
1063 .length = state->lm_session_key.length,
1067 return NT_STATUS_OK;
1070 struct local_pw_check_state {
1071 uint8_t authoritative;
1073 DATA_BLOB nt_session_key;
1074 DATA_BLOB lm_session_key;
1077 static struct tevent_req *local_pw_check_send(
1078 TALLOC_CTX *mem_ctx,
1079 struct tevent_context *ev,
1080 struct auth4_context *auth4_context,
1081 const struct auth_usersupplied_info *user_info)
1083 struct tevent_req *req = NULL;
1084 struct local_pw_check_state *state = NULL;
1085 struct samr_Password lm_pw, nt_pw;
1088 req = tevent_req_create(
1089 mem_ctx, &state, struct local_pw_check_state);
1093 state->authoritative = 1;
1095 nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
1097 nt_status = ntlm_password_check(
1102 &auth4_context->challenge.data,
1103 &user_info->password.response.lanman,
1104 &user_info->password.response.nt,
1105 user_info->client.account_name,
1106 user_info->client.account_name,
1107 user_info->client.domain_name,
1110 &state->nt_session_key,
1111 &state->lm_session_key);
1113 if (tevent_req_nterror(req, nt_status)) {
1114 DBG_NOTICE("Login for user [%s]\\[%s]@[%s] failed due to "
1116 user_info->client.domain_name,
1117 user_info->client.account_name,
1118 user_info->workstation_name,
1119 nt_errstr(nt_status));
1120 return tevent_req_post(req, ev);
1123 state->server_info = talloc_asprintf(
1126 user_info->client.domain_name,
1127 *lp_winbind_separator(),
1128 user_info->client.account_name);
1129 if (tevent_req_nomem(state->server_info, req)) {
1130 return tevent_req_post(req, ev);
1133 tevent_req_done(req);
1134 return tevent_req_post(req, ev);
1137 static NTSTATUS local_pw_check_recv(struct tevent_req *req,
1138 TALLOC_CTX *mem_ctx,
1139 uint8_t *pauthoritative,
1140 void **server_returned_info,
1141 DATA_BLOB *nt_session_key,
1142 DATA_BLOB *lm_session_key)
1144 struct local_pw_check_state *state = tevent_req_data(
1145 req, struct local_pw_check_state);
1148 if (pauthoritative != NULL) {
1149 *pauthoritative = state->authoritative;
1152 if (tevent_req_is_nterror(req, &status)) {
1156 if (server_returned_info != NULL) {
1157 *server_returned_info = talloc_move(
1158 mem_ctx, &state->server_info);
1160 if (nt_session_key != NULL) {
1161 *nt_session_key = (DATA_BLOB) {
1162 .data = talloc_move(
1163 mem_ctx, &state->nt_session_key.data),
1164 .length = state->nt_session_key.length,
1167 if (lm_session_key != NULL) {
1168 *lm_session_key = (DATA_BLOB) {
1169 .data = talloc_move(
1170 mem_ctx, &state->lm_session_key.data),
1171 .length = state->lm_session_key.length,
1175 return NT_STATUS_OK;
1178 static NTSTATUS ntlm_auth_prepare_gensec_client(TALLOC_CTX *mem_ctx,
1179 struct loadparm_context *lp_ctx,
1180 struct gensec_security **gensec_security_out)
1182 struct gensec_security *gensec_security = NULL;
1184 TALLOC_CTX *tmp_ctx;
1185 const struct gensec_security_ops **backends = NULL;
1186 struct gensec_settings *gensec_settings = NULL;
1189 tmp_ctx = talloc_new(mem_ctx);
1190 NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
1192 gensec_settings = lpcfg_gensec_settings(tmp_ctx, lp_ctx);
1193 if (gensec_settings == NULL) {
1194 DEBUG(10, ("lpcfg_gensec_settings failed\n"));
1195 TALLOC_FREE(tmp_ctx);
1196 return NT_STATUS_NO_MEMORY;
1199 backends = talloc_zero_array(gensec_settings,
1200 const struct gensec_security_ops *, 4);
1201 if (backends == NULL) {
1202 TALLOC_FREE(tmp_ctx);
1203 return NT_STATUS_NO_MEMORY;
1205 gensec_settings->backends = backends;
1209 /* These need to be in priority order, krb5 before NTLMSSP */
1210 #if defined(HAVE_KRB5)
1211 backends[idx++] = &gensec_gse_krb5_security_ops;
1214 backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_NTLMSSP);
1216 backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
1218 nt_status = gensec_client_start(NULL, &gensec_security,
1220 if (!NT_STATUS_IS_OK(nt_status)) {
1221 TALLOC_FREE(tmp_ctx);
1225 talloc_unlink(tmp_ctx, gensec_settings);
1227 if (opt_target_service != NULL) {
1228 nt_status = gensec_set_target_service(gensec_security,
1229 opt_target_service);
1230 if (!NT_STATUS_IS_OK(nt_status)) {
1231 TALLOC_FREE(tmp_ctx);
1236 if (opt_target_hostname != NULL) {
1237 nt_status = gensec_set_target_hostname(gensec_security,
1238 opt_target_hostname);
1239 if (!NT_STATUS_IS_OK(nt_status)) {
1240 TALLOC_FREE(tmp_ctx);
1245 *gensec_security_out = talloc_steal(mem_ctx, gensec_security);
1246 TALLOC_FREE(tmp_ctx);
1247 return NT_STATUS_OK;
1250 static struct auth4_context *make_auth4_context_ntlm_auth(TALLOC_CTX *mem_ctx, bool local_pw)
1252 struct auth4_context *auth4_context = talloc_zero(mem_ctx, struct auth4_context);
1253 if (auth4_context == NULL) {
1254 DEBUG(10, ("failed to allocate auth4_context\n"));
1257 auth4_context->generate_session_info = ntlm_auth_generate_session_info;
1258 auth4_context->generate_session_info_pac = ntlm_auth_generate_session_info_pac;
1259 auth4_context->get_ntlm_challenge = ntlm_auth_get_challenge;
1260 auth4_context->set_ntlm_challenge = ntlm_auth_set_challenge;
1262 auth4_context->check_ntlm_password_send = local_pw_check_send;
1263 auth4_context->check_ntlm_password_recv = local_pw_check_recv;
1265 auth4_context->check_ntlm_password_send =
1266 winbind_pw_check_send;
1267 auth4_context->check_ntlm_password_recv =
1268 winbind_pw_check_recv;
1270 auth4_context->private_data = NULL;
1271 return auth4_context;
1274 static NTSTATUS ntlm_auth_prepare_gensec_server(TALLOC_CTX *mem_ctx,
1275 struct loadparm_context *lp_ctx,
1276 struct gensec_security **gensec_security_out)
1278 struct gensec_security *gensec_security;
1281 TALLOC_CTX *tmp_ctx;
1282 const struct gensec_security_ops **backends;
1283 struct gensec_settings *gensec_settings;
1285 struct cli_credentials *server_credentials;
1287 struct auth4_context *auth4_context;
1289 tmp_ctx = talloc_new(mem_ctx);
1290 NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
1292 auth4_context = make_auth4_context_ntlm_auth(tmp_ctx, opt_password);
1293 if (auth4_context == NULL) {
1294 TALLOC_FREE(tmp_ctx);
1295 return NT_STATUS_NO_MEMORY;
1298 gensec_settings = lpcfg_gensec_settings(tmp_ctx, lp_ctx);
1299 if (lp_ctx == NULL) {
1300 DEBUG(10, ("lpcfg_gensec_settings failed\n"));
1301 TALLOC_FREE(tmp_ctx);
1302 return NT_STATUS_NO_MEMORY;
1306 * This should be a 'netbios domain -> DNS domain'
1307 * mapping, and can currently validly return NULL on
1308 * poorly configured systems.
1310 * This is used for the NTLMSSP server
1314 gensec_settings->server_netbios_name = lp_netbios_name();
1315 gensec_settings->server_netbios_domain = lp_workgroup();
1317 gensec_settings->server_netbios_name = get_winbind_netbios_name();
1318 gensec_settings->server_netbios_domain = get_winbind_domain();
1321 gensec_settings->server_dns_domain = strlower_talloc(gensec_settings,
1322 get_mydnsdomname(talloc_tos()));
1323 gensec_settings->server_dns_name = strlower_talloc(gensec_settings,
1324 get_mydnsfullname());
1326 backends = talloc_zero_array(gensec_settings,
1327 const struct gensec_security_ops *, 4);
1329 if (backends == NULL) {
1330 TALLOC_FREE(tmp_ctx);
1331 return NT_STATUS_NO_MEMORY;
1333 gensec_settings->backends = backends;
1337 /* These need to be in priority order, krb5 before NTLMSSP */
1338 #if defined(HAVE_KRB5)
1339 backends[idx++] = &gensec_gse_krb5_security_ops;
1342 backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_NTLMSSP);
1344 backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
1347 * This is anonymous for now, because we just use it
1348 * to set the kerberos state at the moment
1350 server_credentials = cli_credentials_init_anon(tmp_ctx);
1351 if (!server_credentials) {
1352 DBG_ERR("Failed to init server credentials\n");
1353 return NT_STATUS_NO_MEMORY;
1356 cli_credentials_set_conf(server_credentials, lp_ctx);
1358 if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC || lp_security() == SEC_ADS || USE_KERBEROS_KEYTAB) {
1359 cli_credentials_set_kerberos_state(server_credentials,
1360 CRED_USE_KERBEROS_DESIRED,
1363 cli_credentials_set_kerberos_state(server_credentials,
1364 CRED_USE_KERBEROS_DISABLED,
1368 nt_status = gensec_server_start(tmp_ctx, gensec_settings,
1369 auth4_context, &gensec_security);
1371 if (!NT_STATUS_IS_OK(nt_status)) {
1372 TALLOC_FREE(tmp_ctx);
1376 gensec_set_credentials(gensec_security, server_credentials);
1379 * TODO: Allow the caller to pass their own description here
1380 * via a command-line option
1382 nt_status = gensec_set_target_service_description(gensec_security,
1384 if (!NT_STATUS_IS_OK(nt_status)) {
1385 TALLOC_FREE(tmp_ctx);
1389 talloc_unlink(tmp_ctx, lp_ctx);
1390 talloc_unlink(tmp_ctx, server_credentials);
1391 talloc_unlink(tmp_ctx, gensec_settings);
1392 talloc_unlink(tmp_ctx, auth4_context);
1394 *gensec_security_out = talloc_steal(mem_ctx, gensec_security);
1395 TALLOC_FREE(tmp_ctx);
1396 return NT_STATUS_OK;
1399 static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
1400 struct loadparm_context *lp_ctx,
1401 struct ntlm_auth_state *state,
1402 char *buf, int length, void **private2)
1404 manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
1408 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
1409 struct loadparm_context *lp_ctx,
1410 struct ntlm_auth_state *state,
1411 char *buf, int length, void **private2)
1416 pass=(char *)memchr(buf,' ',length);
1418 DEBUG(2, ("Password not found. Denying access\n"));
1425 if (state->helper_mode == SQUID_2_5_BASIC) {
1426 char *end = rfc1738_unescape(user);
1427 if (end == NULL || (end - user) != strlen(user)) {
1428 DEBUG(2, ("Badly rfc1738 encoded username: %s; "
1429 "denying access\n", user));
1433 end = rfc1738_unescape(pass);
1434 if (end == NULL || (end - pass) != strlen(pass)) {
1435 DEBUG(2, ("Badly encoded password for %s; "
1436 "denying access\n", user));
1442 if (check_plaintext_auth(user, pass, False)) {
1449 static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
1450 struct loadparm_context *lp_ctx,
1451 char *buf, int length, void **private1)
1454 DATA_BLOB out = data_blob(NULL, 0);
1455 char *out_base64 = NULL;
1456 const char *reply_arg = NULL;
1457 struct gensec_ntlm_state {
1458 struct gensec_security *gensec_state;
1459 const char *set_password;
1461 struct gensec_ntlm_state *state;
1465 const char *reply_code;
1466 struct cli_credentials *creds;
1468 static char *want_feature_list = NULL;
1469 static DATA_BLOB session_key;
1471 TALLOC_CTX *mem_ctx;
1473 mem_ctx = talloc_named(NULL, 0, "manage_gensec_request internal mem_ctx");
1474 if (mem_ctx == NULL) {
1475 printf("BH No Memory\n");
1480 state = talloc_get_type(*private1, struct gensec_ntlm_state);
1481 if (state == NULL) {
1482 DBG_WARNING("*private1 is of type %s\n",
1483 talloc_get_name(*private1));
1484 printf("BH *private1 is of type %s\n",
1485 talloc_get_name(*private1));
1489 state = talloc_zero(NULL, struct gensec_ntlm_state);
1491 printf("BH No Memory\n");
1496 state->set_password = opt_password;
1500 if (strlen(buf) < 2) {
1501 DEBUG(1, ("query [%s] invalid\n", buf));
1502 printf("BH Query invalid\n");
1503 talloc_free(mem_ctx);
1507 if (strlen(buf) > 3) {
1508 if(strncmp(buf, "SF ", 3) == 0) {
1509 DEBUG(10, ("Setting flags to negotiate\n"));
1510 talloc_free(want_feature_list);
1511 want_feature_list = talloc_strndup(state, buf+3, strlen(buf)-3);
1513 talloc_free(mem_ctx);
1516 in = base64_decode_data_blob_talloc(mem_ctx, buf + 3);
1518 in = data_blob(NULL, 0);
1521 if (strncmp(buf, "YR", 2) == 0) {
1522 if (state->gensec_state) {
1523 talloc_free(state->gensec_state);
1524 state->gensec_state = NULL;
1526 } else if ( (strncmp(buf, "OK", 2) == 0)) {
1527 /* Just return BH, like ntlm_auth from Samba 3 does. */
1528 printf("BH Command expected\n");
1529 talloc_free(mem_ctx);
1531 } else if ( (strncmp(buf, "TT ", 3) != 0) &&
1532 (strncmp(buf, "KK ", 3) != 0) &&
1533 (strncmp(buf, "AF ", 3) != 0) &&
1534 (strncmp(buf, "NA ", 3) != 0) &&
1535 (strncmp(buf, "UG", 2) != 0) &&
1536 (strncmp(buf, "PW ", 3) != 0) &&
1537 (strncmp(buf, "GK", 2) != 0) &&
1538 (strncmp(buf, "GF", 2) != 0)) {
1539 DEBUG(1, ("SPNEGO request [%s] invalid prefix\n", buf));
1540 printf("BH SPNEGO request invalid prefix\n");
1541 talloc_free(mem_ctx);
1546 if (!(state->gensec_state)) {
1547 switch (stdio_helper_mode) {
1548 case GSS_SPNEGO_CLIENT:
1550 * cached credentials are only supported by
1551 * NTLMSSP_CLIENT_1 for now.
1553 use_cached_creds = false;
1555 case NTLMSSP_CLIENT_1:
1556 /* setup the client side */
1558 if (state->set_password != NULL) {
1559 use_cached_creds = false;
1562 if (use_cached_creds) {
1563 struct wbcCredentialCacheParams params;
1564 struct wbcCredentialCacheInfo *info = NULL;
1565 struct wbcAuthErrorInfo *error = NULL;
1568 params.account_name = opt_username;
1569 params.domain_name = opt_domain;
1570 params.level = WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP;
1571 params.num_blobs = 0;
1572 params.blobs = NULL;
1574 wbc_status = wbcCredentialCache(¶ms, &info,
1576 wbcFreeMemory(error);
1577 if (!WBC_ERROR_IS_OK(wbc_status)) {
1578 use_cached_creds = false;
1580 wbcFreeMemory(info);
1583 nt_status = ntlm_auth_prepare_gensec_client(state, lp_ctx,
1584 &state->gensec_state);
1585 if (!NT_STATUS_IS_OK(nt_status)) {
1586 printf("BH GENSEC mech failed to start: %s\n",
1587 nt_errstr(nt_status));
1588 talloc_free(mem_ctx);
1592 creds = cli_credentials_init(state->gensec_state);
1593 cli_credentials_set_conf(creds, lp_ctx);
1595 cli_credentials_set_username(creds, opt_username, CRED_SPECIFIED);
1598 cli_credentials_set_domain(creds, opt_domain, CRED_SPECIFIED);
1600 if (use_cached_creds) {
1601 gensec_want_feature(state->gensec_state,
1602 GENSEC_FEATURE_NTLM_CCACHE);
1603 } else if (state->set_password) {
1604 cli_credentials_set_password(creds, state->set_password, CRED_SPECIFIED);
1606 cli_credentials_set_password_callback(creds, get_password);
1608 if (opt_workstation) {
1609 cli_credentials_set_workstation(creds, opt_workstation, CRED_SPECIFIED);
1612 gensec_set_credentials(state->gensec_state, creds);
1615 case GSS_SPNEGO_SERVER:
1616 case SQUID_2_5_NTLMSSP:
1618 nt_status = ntlm_auth_prepare_gensec_server(state, lp_ctx,
1619 &state->gensec_state);
1620 if (!NT_STATUS_IS_OK(nt_status)) {
1621 printf("BH GENSEC mech failed to start: %s\n",
1622 nt_errstr(nt_status));
1623 talloc_free(mem_ctx);
1629 talloc_free(mem_ctx);
1633 gensec_want_feature_list(state->gensec_state, want_feature_list);
1635 /* Session info is not complete, do not pass to auth log */
1636 gensec_want_feature(state->gensec_state, GENSEC_FEATURE_NO_AUTHZ_LOG);
1638 switch (stdio_helper_mode) {
1639 case GSS_SPNEGO_CLIENT:
1640 case GSS_SPNEGO_SERVER:
1641 nt_status = gensec_start_mech_by_oid(state->gensec_state, GENSEC_OID_SPNEGO);
1646 case NTLMSSP_CLIENT_1:
1651 case SQUID_2_5_NTLMSSP:
1652 nt_status = gensec_start_mech_by_oid(state->gensec_state, GENSEC_OID_NTLMSSP);
1655 talloc_free(mem_ctx);
1659 if (!NT_STATUS_IS_OK(nt_status)) {
1660 DEBUG(1, ("GENSEC mech failed to start: %s\n", nt_errstr(nt_status)));
1661 printf("BH GENSEC mech failed to start\n");
1662 talloc_free(mem_ctx);
1670 if (strncmp(buf, "PW ", 3) == 0) {
1671 state->set_password = talloc_strndup(state,
1672 (const char *)in.data,
1675 cli_credentials_set_password(gensec_get_credentials(state->gensec_state),
1676 state->set_password,
1679 talloc_free(mem_ctx);
1683 if (strncmp(buf, "GK", 2) == 0) {
1685 DEBUG(10, ("Requested session key\n"));
1686 nt_status = gensec_session_key(state->gensec_state, mem_ctx, &session_key);
1687 if(!NT_STATUS_IS_OK(nt_status)) {
1688 DEBUG(1, ("gensec_session_key failed: %s\n", nt_errstr(nt_status)));
1689 printf("BH No session key\n");
1690 talloc_free(mem_ctx);
1693 base64_key = base64_encode_data_blob(state, session_key);
1694 SMB_ASSERT(base64_key != NULL);
1695 printf("GK %s\n", base64_key);
1696 talloc_free(base64_key);
1698 talloc_free(mem_ctx);
1702 if (strncmp(buf, "GF", 2) == 0) {
1705 DEBUG(10, ("Requested negotiated NTLMSSP feature flags\n"));
1707 neg_flags = gensec_ntlmssp_neg_flags(state->gensec_state);
1708 if (neg_flags == 0) {
1710 talloc_free(mem_ctx);
1714 printf("GF 0x%08x\n", neg_flags);
1715 talloc_free(mem_ctx);
1719 nt_status = gensec_update(state->gensec_state, mem_ctx, in, &out);
1721 /* don't leak 'bad password'/'no such user' info to the network client */
1722 nt_status = nt_status_squash(nt_status);
1725 out_base64 = base64_encode_data_blob(mem_ctx, out);
1726 SMB_ASSERT(out_base64 != NULL);
1731 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1733 if (first && state->gensec_state->gensec_role == GENSEC_CLIENT) {
1735 } else if (state->gensec_state->gensec_role == GENSEC_CLIENT) {
1737 } else if (state->gensec_state->gensec_role == GENSEC_SERVER) {
1744 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
1745 reply_code = "BH NT_STATUS_ACCESS_DENIED";
1746 reply_arg = nt_errstr(nt_status);
1747 DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
1748 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_UNSUCCESSFUL)) {
1749 reply_code = "BH NT_STATUS_UNSUCCESSFUL";
1750 reply_arg = nt_errstr(nt_status);
1751 DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
1752 } else if (!NT_STATUS_IS_OK(nt_status)) {
1754 reply_arg = nt_errstr(nt_status);
1755 DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
1756 } else if /* OK */ (state->gensec_state->gensec_role == GENSEC_SERVER) {
1757 struct auth_session_info *session_info;
1759 nt_status = gensec_session_info(state->gensec_state, mem_ctx, &session_info);
1760 if (!NT_STATUS_IS_OK(nt_status)) {
1761 reply_code = "BH Failed to retrieve session info";
1762 reply_arg = nt_errstr(nt_status);
1763 DEBUG(1, ("GENSEC failed to retrieve the session info: %s\n", nt_errstr(nt_status)));
1767 reply_arg = talloc_strdup(state->gensec_state, session_info->unix_info->unix_name);
1768 if (reply_arg == NULL) {
1769 reply_code = "BH out of memory";
1770 reply_arg = nt_errstr(NT_STATUS_NO_MEMORY);
1772 talloc_free(session_info);
1774 } else if (state->gensec_state->gensec_role == GENSEC_CLIENT) {
1776 reply_arg = out_base64;
1781 switch (stdio_helper_mode) {
1782 case GSS_SPNEGO_SERVER:
1783 printf("%s %s %s\n", reply_code,
1784 out_base64 ? out_base64 : "*",
1785 reply_arg ? reply_arg : "*");
1789 printf("%s %s\n", reply_code, out_base64);
1790 } else if (reply_arg) {
1791 printf("%s %s\n", reply_code, reply_arg);
1793 printf("%s\n", reply_code);
1797 talloc_free(mem_ctx);
1801 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
1802 struct loadparm_context *lp_ctx,
1803 struct ntlm_auth_state *state,
1804 char *buf, int length, void **private2)
1806 manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
1810 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
1811 struct loadparm_context *lp_ctx,
1812 struct ntlm_auth_state *state,
1813 char *buf, int length, void **private2)
1815 manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
1819 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
1820 struct loadparm_context *lp_ctx,
1821 struct ntlm_auth_state *state,
1822 char *buf, int length, void **private2)
1824 manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
1828 static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
1829 struct loadparm_context *lp_ctx,
1830 struct ntlm_auth_state *state,
1831 char *buf, int length, void **private2)
1833 char *request, *parameter;
1834 static DATA_BLOB challenge;
1835 static DATA_BLOB lm_response;
1836 static DATA_BLOB nt_response;
1837 static char *full_username;
1838 static char *username;
1839 static char *domain;
1840 static char *plaintext_password;
1841 static bool ntlm_server_1_user_session_key;
1842 static bool ntlm_server_1_lm_session_key;
1844 if (strequal(buf, ".")) {
1845 if (!full_username && !username) {
1846 printf("Error: No username supplied!\n");
1847 } else if (plaintext_password) {
1848 /* handle this request as plaintext */
1849 if (!full_username) {
1850 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1851 printf("Error: Out of memory in "
1856 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1857 printf("Authenticated: Yes\n");
1859 printf("Authenticated: No\n");
1861 } else if (!lm_response.data && !nt_response.data) {
1862 printf("Error: No password supplied!\n");
1863 } else if (!challenge.data) {
1864 printf("Error: No lanman-challenge supplied!\n");
1866 char *error_string = NULL;
1868 uchar user_session_key[16];
1871 if (full_username && !username) {
1873 fstring fstr_domain;
1875 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1876 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1877 printf("Error: Could not parse into "
1878 "domain and username\n");
1880 SAFE_FREE(username);
1882 username = smb_xstrdup(fstr_user);
1883 domain = smb_xstrdup(fstr_domain);
1887 DATA_BLOB nt_session_key, lm_session_key;
1888 struct samr_Password lm_pw, nt_pw;
1889 TALLOC_CTX *mem_ctx = talloc_new(NULL);
1890 ZERO_STRUCT(user_session_key);
1891 ZERO_STRUCT(lm_key);
1893 nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
1894 nt_status = ntlm_password_check(mem_ctx,
1907 error_string = smb_xstrdup(get_friendly_nt_error_msg(nt_status));
1908 if (ntlm_server_1_user_session_key) {
1909 if (nt_session_key.length == sizeof(user_session_key)) {
1910 memcpy(user_session_key,
1911 nt_session_key.data,
1912 sizeof(user_session_key));
1915 if (ntlm_server_1_lm_session_key) {
1916 if (lm_session_key.length == sizeof(lm_key)) {
1918 lm_session_key.data,
1922 TALLOC_FREE(mem_ctx);
1925 uint8_t authoritative = 1;
1928 domain = smb_xstrdup(get_winbind_domain());
1931 if (ntlm_server_1_lm_session_key)
1932 flags |= WBFLAG_PAM_LMKEY;
1934 if (ntlm_server_1_user_session_key)
1935 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1937 nt_status = contact_winbind_auth_crap(username,
1951 if (!NT_STATUS_IS_OK(nt_status)) {
1952 printf("Authenticated: No\n");
1953 printf("Authentication-Error: %s\n.\n",
1957 char *hex_user_session_key;
1959 printf("Authenticated: Yes\n");
1961 if (ntlm_server_1_lm_session_key
1962 && (!all_zero(lm_key,
1964 hex_lm_key = hex_encode_talloc(NULL,
1965 (const unsigned char *)lm_key,
1967 printf("LANMAN-Session-Key: %s\n",
1969 TALLOC_FREE(hex_lm_key);
1972 if (ntlm_server_1_user_session_key
1973 && (!all_zero(user_session_key,
1974 sizeof(user_session_key)))) {
1975 hex_user_session_key = hex_encode_talloc(NULL,
1976 (const unsigned char *)user_session_key,
1977 sizeof(user_session_key));
1978 printf("User-Session-Key: %s\n",
1979 hex_user_session_key);
1980 TALLOC_FREE(hex_user_session_key);
1983 SAFE_FREE(error_string);
1985 /* clear out the state */
1986 challenge = data_blob_null;
1987 nt_response = data_blob_null;
1988 lm_response = data_blob_null;
1989 SAFE_FREE(full_username);
1990 SAFE_FREE(username);
1992 SAFE_FREE(plaintext_password);
1993 ntlm_server_1_user_session_key = False;
1994 ntlm_server_1_lm_session_key = False;
2002 /* Indicates a base64 encoded structure */
2003 parameter = strstr_m(request, ":: ");
2005 parameter = strstr_m(request, ": ");
2008 DEBUG(0, ("Parameter not found!\n"));
2009 printf("Error: Parameter not found!\n.\n");
2026 base64_decode_inplace(parameter);
2029 if (strequal(request, "LANMAN-Challenge")) {
2030 challenge = strhex_to_data_blob(NULL, parameter);
2031 if (challenge.length != 8) {
2032 printf("Error: hex decode of %s failed! "
2033 "(got %d bytes, expected 8)\n.\n",
2035 (int)challenge.length);
2036 challenge = data_blob_null;
2038 } else if (strequal(request, "NT-Response")) {
2039 nt_response = strhex_to_data_blob(NULL, parameter);
2040 if (nt_response.length < 24) {
2041 printf("Error: hex decode of %s failed! "
2042 "(only got %d bytes, needed at least 24)\n.\n",
2044 (int)nt_response.length);
2045 nt_response = data_blob_null;
2047 } else if (strequal(request, "LANMAN-Response")) {
2048 lm_response = strhex_to_data_blob(NULL, parameter);
2049 if (lm_response.length != 24) {
2050 printf("Error: hex decode of %s failed! "
2051 "(got %d bytes, expected 24)\n.\n",
2053 (int)lm_response.length);
2054 lm_response = data_blob_null;
2056 } else if (strequal(request, "Password")) {
2057 plaintext_password = smb_xstrdup(parameter);
2058 } else if (strequal(request, "NT-Domain")) {
2059 domain = smb_xstrdup(parameter);
2060 } else if (strequal(request, "Username")) {
2061 username = smb_xstrdup(parameter);
2062 } else if (strequal(request, "Full-Username")) {
2063 full_username = smb_xstrdup(parameter);
2064 } else if (strequal(request, "Request-User-Session-Key")) {
2065 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
2066 } else if (strequal(request, "Request-LanMan-Session-Key")) {
2067 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
2069 printf("Error: Unknown request %s\n.\n", request);
2073 static void manage_ntlm_change_password_1_request(enum stdio_helper_mode stdio_helper_mode,
2074 struct loadparm_context *lp_ctx,
2075 struct ntlm_auth_state *state,
2076 char *buf, int length, void **private2)
2078 char *request, *parameter;
2079 static DATA_BLOB new_nt_pswd;
2080 static DATA_BLOB old_nt_hash_enc;
2081 static DATA_BLOB new_lm_pswd;
2082 static DATA_BLOB old_lm_hash_enc;
2083 static char *full_username = NULL;
2084 static char *username = NULL;
2085 static char *domain = NULL;
2086 static char *newpswd = NULL;
2087 static char *oldpswd = NULL;
2089 if (strequal(buf, ".")) {
2090 if(newpswd && oldpswd) {
2091 uchar old_nt_hash[16];
2092 uchar old_lm_hash[16];
2093 uchar new_nt_hash[16];
2094 uchar new_lm_hash[16];
2096 gnutls_cipher_hd_t cipher_hnd = NULL;
2097 gnutls_datum_t old_nt_key = {
2098 .data = old_nt_hash,
2099 .size = sizeof(old_nt_hash),
2103 new_nt_pswd = data_blob(NULL, 516);
2104 old_nt_hash_enc = data_blob(NULL, 16);
2106 /* Calculate the MD4 hash (NT compatible) of the
2108 E_md4hash(oldpswd, old_nt_hash);
2109 E_md4hash(newpswd, new_nt_hash);
2111 /* E_deshash returns false for 'long'
2112 passwords (> 14 DOS chars).
2114 Therefore, don't send a buffer
2115 encrypted with the truncated hash
2116 (it could allow an even easier
2117 attack on the password)
2119 Likewise, obey the admin's restriction
2122 rc = gnutls_cipher_init(&cipher_hnd,
2123 GNUTLS_CIPHER_ARCFOUR_128,
2127 DBG_ERR("gnutls_cipher_init failed: %s\n",
2128 gnutls_strerror(rc));
2129 if (rc == GNUTLS_E_UNWANTED_ALGORITHM) {
2130 DBG_ERR("Running in FIPS mode, NTLM blocked\n");
2135 if (lp_client_lanman_auth() &&
2136 E_deshash(newpswd, new_lm_hash) &&
2137 E_deshash(oldpswd, old_lm_hash)) {
2138 new_lm_pswd = data_blob(NULL, 516);
2139 old_lm_hash_enc = data_blob(NULL, 16);
2140 encode_pw_buffer(new_lm_pswd.data, newpswd,
2143 rc = gnutls_cipher_encrypt(cipher_hnd,
2147 gnutls_cipher_deinit(cipher_hnd);
2150 rc = E_old_pw_hash(new_nt_hash, old_lm_hash,
2151 old_lm_hash_enc.data);
2153 DBG_ERR("E_old_pw_hash failed: %s\n",
2154 gnutls_strerror(rc));
2158 new_lm_pswd.data = NULL;
2159 new_lm_pswd.length = 0;
2160 old_lm_hash_enc.data = NULL;
2161 old_lm_hash_enc.length = 0;
2164 encode_pw_buffer(new_nt_pswd.data, newpswd,
2167 rc = gnutls_cipher_encrypt(cipher_hnd,
2170 gnutls_cipher_deinit(cipher_hnd);
2174 rc = E_old_pw_hash(new_nt_hash, old_nt_hash,
2175 old_nt_hash_enc.data);
2177 DBG_ERR("E_old_pw_hash failed: %s\n",
2178 gnutls_strerror(rc));
2182 ZERO_ARRAY(old_nt_hash);
2183 ZERO_ARRAY(old_lm_hash);
2184 ZERO_ARRAY(new_nt_hash);
2185 ZERO_ARRAY(new_lm_hash);
2188 if (!full_username && !username) {
2189 printf("Error: No username supplied!\n");
2190 } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
2191 (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
2192 printf("Error: No NT or LM password "
2193 "blobs supplied!\n");
2195 char *error_string = NULL;
2197 if (full_username && !username) {
2199 fstring fstr_domain;
2201 if (!parse_ntlm_auth_domain_user(full_username,
2204 /* username might be 'tainted', don't
2205 * print into our new-line
2206 * deleimianted stream */
2207 printf("Error: Could not "
2208 "parse into domain and "
2210 SAFE_FREE(username);
2211 username = smb_xstrdup(full_username);
2213 SAFE_FREE(username);
2215 username = smb_xstrdup(fstr_user);
2216 domain = smb_xstrdup(fstr_domain);
2221 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2228 printf("Password-Change: No\n");
2229 printf("Password-Change-Error: %s\n.\n",
2232 printf("Password-Change: Yes\n");
2235 SAFE_FREE(error_string);
2237 /* clear out the state */
2238 new_nt_pswd = data_blob_null;
2239 old_nt_hash_enc = data_blob_null;
2240 new_lm_pswd = data_blob_null;
2241 old_nt_hash_enc = data_blob_null;
2242 SAFE_FREE(full_username);
2243 SAFE_FREE(username);
2254 /* Indicates a base64 encoded structure */
2255 parameter = strstr_m(request, ":: ");
2257 parameter = strstr_m(request, ": ");
2260 DEBUG(0, ("Parameter not found!\n"));
2261 printf("Error: Parameter not found!\n.\n");
2277 base64_decode_inplace(parameter);
2280 if (strequal(request, "new-nt-password-blob")) {
2281 new_nt_pswd = strhex_to_data_blob(NULL, parameter);
2282 if (new_nt_pswd.length != 516) {
2283 printf("Error: hex decode of %s failed! "
2284 "(got %d bytes, expected 516)\n.\n",
2286 (int)new_nt_pswd.length);
2287 new_nt_pswd = data_blob_null;
2289 } else if (strequal(request, "old-nt-hash-blob")) {
2290 old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
2291 if (old_nt_hash_enc.length != 16) {
2292 printf("Error: hex decode of %s failed! "
2293 "(got %d bytes, expected 16)\n.\n",
2295 (int)old_nt_hash_enc.length);
2296 old_nt_hash_enc = data_blob_null;
2298 } else if (strequal(request, "new-lm-password-blob")) {
2299 new_lm_pswd = strhex_to_data_blob(NULL, parameter);
2300 if (new_lm_pswd.length != 516) {
2301 printf("Error: hex decode of %s failed! "
2302 "(got %d bytes, expected 516)\n.\n",
2304 (int)new_lm_pswd.length);
2305 new_lm_pswd = data_blob_null;
2308 else if (strequal(request, "old-lm-hash-blob")) {
2309 old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
2310 if (old_lm_hash_enc.length != 16)
2312 printf("Error: hex decode of %s failed! "
2313 "(got %d bytes, expected 16)\n.\n",
2315 (int)old_lm_hash_enc.length);
2316 old_lm_hash_enc = data_blob_null;
2318 } else if (strequal(request, "nt-domain")) {
2319 domain = smb_xstrdup(parameter);
2320 } else if(strequal(request, "username")) {
2321 username = smb_xstrdup(parameter);
2322 } else if(strequal(request, "full-username")) {
2323 username = smb_xstrdup(parameter);
2324 } else if(strequal(request, "new-password")) {
2325 newpswd = smb_xstrdup(parameter);
2326 } else if (strequal(request, "old-password")) {
2327 oldpswd = smb_xstrdup(parameter);
2329 printf("Error: Unknown request %s\n.\n", request);
2333 static void manage_squid_request(enum stdio_helper_mode stdio_helper_mode,
2334 struct loadparm_context *lp_ctx,
2335 struct ntlm_auth_state *state,
2336 stdio_helper_function fn, void **private2)
2339 char tmp[INITIAL_BUFFER_SIZE+1];
2340 int length, buf_size = 0;
2343 buf = talloc_strdup(state->mem_ctx, "");
2345 DEBUG(0, ("Failed to allocate input buffer.\n"));
2346 fprintf(stderr, "ERR\n");
2352 /* this is not a typo - x_fgets doesn't work too well under
2354 if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
2355 if (ferror(stdin)) {
2356 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2357 "(%s)\n", ferror(stdin),
2358 strerror(ferror(stdin))));
2365 buf = talloc_strdup_append_buffer(buf, tmp);
2366 buf_size += INITIAL_BUFFER_SIZE;
2368 if (buf_size > MAX_BUFFER_SIZE) {
2369 DEBUG(2, ("Oversized message\n"));
2370 fprintf(stderr, "ERR\n");
2375 c = strchr(buf, '\n');
2376 } while (c == NULL);
2381 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
2383 if (buf[0] == '\0') {
2384 DEBUG(2, ("Invalid Request\n"));
2385 fprintf(stderr, "ERR\n");
2390 fn(stdio_helper_mode, lp_ctx, state, buf, length, private2);
2395 static void squid_stream(enum stdio_helper_mode stdio_mode,
2396 struct loadparm_context *lp_ctx,
2397 stdio_helper_function fn) {
2398 TALLOC_CTX *mem_ctx;
2399 struct ntlm_auth_state *state;
2401 /* initialize FDescs */
2402 setbuf(stdout, NULL);
2403 setbuf(stderr, NULL);
2405 mem_ctx = talloc_init("ntlm_auth");
2407 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2408 fprintf(stderr, "ERR\n");
2412 state = talloc_zero(mem_ctx, struct ntlm_auth_state);
2414 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2415 fprintf(stderr, "ERR\n");
2419 state->mem_ctx = mem_ctx;
2420 state->helper_mode = stdio_mode;
2423 TALLOC_CTX *frame = talloc_stackframe();
2424 manage_squid_request(stdio_mode, lp_ctx, state, fn, NULL);
2430 /* Authenticate a user with a challenge/response */
2432 static bool check_auth_crap(void)
2437 char user_session_key[16];
2439 char *hex_user_session_key;
2441 uint8_t authoritative = 1;
2443 setbuf(stdout, NULL);
2446 flags |= WBFLAG_PAM_LMKEY;
2448 if (request_user_session_key)
2449 flags |= WBFLAG_PAM_USER_SESSION_KEY;
2451 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
2453 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
2459 (unsigned char *)lm_key,
2460 (unsigned char *)user_session_key,
2462 &error_string, NULL);
2464 if (!NT_STATUS_IS_OK(nt_status)) {
2465 printf("%s (0x%x)\n", error_string,
2466 NT_STATUS_V(nt_status));
2467 SAFE_FREE(error_string);
2472 && (!all_zero((uint8_t *)lm_key, sizeof(lm_key)))) {
2473 hex_lm_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)lm_key,
2475 printf("LM_KEY: %s\n", hex_lm_key);
2476 TALLOC_FREE(hex_lm_key);
2478 if (request_user_session_key
2479 && (!all_zero((uint8_t *)user_session_key,
2480 sizeof(user_session_key)))) {
2481 hex_user_session_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)user_session_key,
2482 sizeof(user_session_key));
2483 printf("NT_KEY: %s\n", hex_user_session_key);
2484 TALLOC_FREE(hex_user_session_key);
2493 OPT_USERNAME = 1000,
2502 OPT_USER_SESSION_KEY,
2504 OPT_REQUIRE_MEMBERSHIP,
2505 OPT_USE_CACHED_CREDS,
2507 OPT_PAM_WINBIND_CONF,
2509 OPT_TARGET_HOSTNAME,
2513 int main(int argc, const char **argv)
2515 TALLOC_CTX *frame = talloc_stackframe();
2517 const char *helper_protocol = NULL;
2518 int diagnostics = 0;
2520 const char *hex_challenge = NULL;
2521 const char *hex_lm_response = NULL;
2522 const char *hex_nt_response = NULL;
2523 struct loadparm_context *lp_ctx;
2527 /* NOTE: DO NOT change this interface without considering the implications!
2528 This is an external interface, which other programs will use to interact
2532 /* We do not use single-letter command abbreviations, because they harm future
2533 interface stability. */
2535 struct poptOption long_options[] = {
2538 .longName = "helper-protocol",
2540 .argInfo = POPT_ARG_STRING,
2541 .arg = &helper_protocol,
2543 .descrip = "operate as a stdio-based helper",
2544 .argDescrip = "helper protocol to use"
2547 .longName = "username",
2549 .argInfo = POPT_ARG_STRING,
2550 .arg = &opt_username,
2551 .val = OPT_USERNAME,
2552 .descrip = "username"
2555 .longName = "domain",
2557 .argInfo = POPT_ARG_STRING,
2560 .descrip = "domain name"
2563 .longName = "workstation",
2565 .argInfo = POPT_ARG_STRING,
2566 .arg = &opt_workstation,
2567 .val = OPT_WORKSTATION,
2568 .descrip = "workstation"
2571 .longName = "challenge",
2573 .argInfo = POPT_ARG_STRING,
2574 .arg = &hex_challenge,
2575 .val = OPT_CHALLENGE,
2576 .descrip = "challenge (HEX encoded)"
2579 .longName = "lm-response",
2581 .argInfo = POPT_ARG_STRING,
2582 .arg = &hex_lm_response,
2584 .descrip = "LM Response to the challenge (HEX encoded)"
2587 .longName = "nt-response",
2589 .argInfo = POPT_ARG_STRING,
2590 .arg = &hex_nt_response,
2592 .descrip = "NT or NTLMv2 Response to the challenge (HEX encoded)"
2595 .longName = "password",
2597 .argInfo = POPT_ARG_STRING,
2598 .arg = &opt_password,
2599 .val = OPT_PASSWORD,
2600 .descrip = "User's plaintext password"
2603 .longName = "request-lm-key",
2605 .argInfo = POPT_ARG_NONE,
2606 .arg = &request_lm_key,
2608 .descrip = "Retrieve LM session key (or, with --diagnostics, expect LM support)"
2611 .longName = "request-nt-key",
2613 .argInfo = POPT_ARG_NONE,
2614 .arg = &request_user_session_key,
2615 .val = OPT_USER_SESSION_KEY,
2616 .descrip = "Retrieve User (NT) session key"
2619 .longName = "use-cached-creds",
2621 .argInfo = POPT_ARG_NONE,
2622 .arg = &use_cached_creds,
2623 .val = OPT_USE_CACHED_CREDS,
2624 .descrip = "Use cached credentials if no password is given"
2627 .longName = "allow-mschapv2",
2629 .argInfo = POPT_ARG_NONE,
2630 .arg = &opt_allow_mschapv2,
2631 .val = OPT_ALLOW_MSCHAPV2,
2632 .descrip = "Explicitly allow MSCHAPv2",
2635 .longName = "offline-logon",
2637 .argInfo = POPT_ARG_NONE,
2638 .arg = &offline_logon,
2639 .val = OPT_OFFLINE_LOGON,
2640 .descrip = "Use cached passwords when DC is offline"
2643 .longName = "diagnostics",
2645 .argInfo = POPT_ARG_NONE,
2646 .arg = &diagnostics,
2647 .val = OPT_DIAGNOSTICS,
2648 .descrip = "Perform diagnostics on the authentication chain"
2651 .longName = "require-membership-of",
2653 .argInfo = POPT_ARG_STRING,
2654 .arg = &require_membership_of,
2655 .val = OPT_REQUIRE_MEMBERSHIP,
2656 .descrip = "Require that a user be a member of this group (either name or SID) for authentication to succeed",
2659 .longName = "pam-winbind-conf",
2661 .argInfo = POPT_ARG_STRING,
2662 .arg = &opt_pam_winbind_conf,
2663 .val = OPT_PAM_WINBIND_CONF,
2664 .descrip = "Require that request must set WBFLAG_PAM_CONTACT_TRUSTDOM when krb5 auth is required",
2667 .longName = "target-service",
2669 .argInfo = POPT_ARG_STRING,
2670 .arg = &opt_target_service,
2671 .val = OPT_TARGET_SERVICE,
2672 .descrip = "Target service (eg http)",
2675 .longName = "target-hostname",
2677 .argInfo = POPT_ARG_STRING,
2678 .arg = &opt_target_hostname,
2679 .val = OPT_TARGET_HOSTNAME,
2680 .descrip = "Target hostname",
2682 POPT_COMMON_DEBUG_ONLY
2683 POPT_COMMON_CONFIG_ONLY
2684 POPT_COMMON_OPTION_ONLY
2689 /* Samba client initialisation */
2692 ok = samba_cmdline_init(frame,
2693 SAMBA_CMDLINE_CONFIG_CLIENT,
2694 false /* require_smbconf */);
2696 DBG_ERR("Failed to init cmdline parser!\n");
2701 pc = samba_popt_get_context(getprogname(),
2705 POPT_CONTEXT_KEEP_FIRST);
2707 DBG_ERR("Failed to setup popt context!\n");
2712 while((opt = poptGetNextOpt(pc)) != -1) {
2715 opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
2716 if (opt_challenge.length != 8) {
2717 fprintf(stderr, "hex decode of %s failed! "
2718 "(only got %d bytes)\n",
2720 (int)opt_challenge.length);
2725 opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
2726 if (opt_lm_response.length != 24) {
2727 fprintf(stderr, "hex decode of %s failed! "
2728 "(only got %d bytes)\n",
2730 (int)opt_lm_response.length);
2736 opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
2737 if (opt_nt_response.length < 24) {
2738 fprintf(stderr, "hex decode of %s failed! "
2739 "(only got %d bytes)\n",
2741 (int)opt_nt_response.length);
2746 case OPT_REQUIRE_MEMBERSHIP:
2747 if (strncasecmp_m("S-", require_membership_of, 2) == 0) {
2748 require_membership_of_sid = require_membership_of;
2752 case POPT_ERROR_BADOPT:
2753 fprintf(stderr, "\nInvalid option %s: %s\n\n",
2754 poptBadOption(pc, 0), poptStrerror(opt));
2755 poptPrintUsage(pc, stderr, 0);
2761 char *domain = SMB_STRDUP(opt_username);
2762 char *p = strchr_m(domain, *lp_winbind_separator());
2766 if (opt_domain && !strequal(opt_domain, domain)) {
2767 fprintf(stderr, "Domain specified in username (%s) "
2768 "doesn't match specified domain (%s)!\n\n",
2769 domain, opt_domain);
2770 poptPrintHelp(pc, stderr, 0);
2773 opt_domain = domain;
2779 /* Note: if opt_domain is "" then send no domain */
2780 if (opt_domain == NULL) {
2781 opt_domain = get_winbind_domain();
2784 if (opt_workstation == NULL) {
2785 opt_workstation = "";
2788 lp_ctx = loadparm_init_s3(NULL, loadparm_s3_helpers());
2789 if (lp_ctx == NULL) {
2790 fprintf(stderr, "loadparm_init_s3() failed!\n");
2794 if (helper_protocol) {
2796 for (i=0; i<NUM_HELPER_MODES; i++) {
2797 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2798 squid_stream(stdio_helper_protocols[i].mode, lp_ctx, stdio_helper_protocols[i].fn);
2802 fprintf(stderr, "unknown helper protocol [%s]\n\n"
2803 "Valid helper protools:\n\n", helper_protocol);
2805 for (i=0; i<NUM_HELPER_MODES; i++) {
2806 fprintf(stderr, "%s\n",
2807 stdio_helper_protocols[i].name);
2813 if (!opt_username || !*opt_username) {
2814 fprintf(stderr, "username must be specified!\n\n");
2815 poptPrintHelp(pc, stderr, 0);
2819 if (opt_challenge.length) {
2820 if (!check_auth_crap()) {
2826 if (!opt_password) {
2827 char pwd[256] = {0};
2830 rc = samba_getpass("Password: ", pwd, sizeof(pwd), false, false);
2832 opt_password = SMB_STRDUP(pwd);
2837 if (!diagnose_ntlm_auth(request_lm_key)) {
2838 poptFreeContext(pc);
2844 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2845 if (!check_plaintext_auth(user, opt_password, True)) {
2846 poptFreeContext(pc);
2853 poptFreeContext(pc);