2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1998-2001
5 Copyright (C) Andrew Bartlett 2001
6 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
7 Copyright (C) Luke Howard 2003
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 uint32 global_client_caps = 0;
28 static struct auth_ntlmssp_state *global_ntlmssp_state;
31 on a logon error possibly map the error to success if "map to guest"
34 static NTSTATUS do_map_to_guest(NTSTATUS status, auth_serversupplied_info **server_info,
35 const char *user, const char *domain)
37 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
38 if ((lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_USER) ||
39 (lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_PASSWORD)) {
40 DEBUG(3,("No such user %s [%s] - using guest account\n",
42 status = make_server_info_guest(server_info);
46 if (NT_STATUS_EQUAL(status, NT_STATUS_WRONG_PASSWORD)) {
47 if (lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_PASSWORD) {
48 DEBUG(3,("Registered username %s for guest access\n",user));
49 status = make_server_info_guest(server_info);
56 /****************************************************************************
57 Add the standard 'Samba' signature to the end of the session setup.
58 ****************************************************************************/
60 static int add_signature(char *outbuf, char *p)
65 fstr_sprintf( lanman, "Samba %s", VERSION );
67 p += srvstr_push(outbuf, p, "Unix", -1, STR_TERMINATE);
68 p += srvstr_push(outbuf, p, lanman, -1, STR_TERMINATE);
69 p += srvstr_push(outbuf, p, lp_workgroup(), -1, STR_TERMINATE);
71 return PTR_DIFF(p, start);
74 /****************************************************************************
75 Send a security blob via a session setup reply.
76 ****************************************************************************/
78 static BOOL reply_sesssetup_blob(connection_struct *conn, char *outbuf,
79 DATA_BLOB blob, NTSTATUS nt_status)
83 set_message(outbuf,4,0,True);
85 nt_status = nt_status_squash(nt_status);
86 SIVAL(outbuf, smb_rcls, NT_STATUS_V(nt_status));
87 SSVAL(outbuf, smb_vwv0, 0xFF); /* no chaining possible */
88 SSVAL(outbuf, smb_vwv3, blob.length);
91 /* should we cap this? */
92 memcpy(p, blob.data, blob.length);
95 p += add_signature( outbuf, p );
97 set_message_end(outbuf,p);
99 return send_smb(smbd_server_fd(),outbuf);
102 /****************************************************************************
103 Do a 'guest' logon, getting back the
104 ****************************************************************************/
106 static NTSTATUS check_guest_password(auth_serversupplied_info **server_info)
108 struct auth_context *auth_context;
109 auth_usersupplied_info *user_info = NULL;
112 unsigned char chal[8];
116 DEBUG(3,("Got anonymous request\n"));
118 if (!NT_STATUS_IS_OK(nt_status = make_auth_context_fixed(&auth_context, chal))) {
122 if (!make_user_info_guest(&user_info)) {
123 (auth_context->free)(&auth_context);
124 return NT_STATUS_NO_MEMORY;
127 nt_status = auth_context->check_ntlm_password(auth_context, user_info, server_info);
128 (auth_context->free)(&auth_context);
129 free_user_info(&user_info);
135 /****************************************************************************
136 reply to a session setup spnego negotiate packet for kerberos
137 ****************************************************************************/
138 static int reply_spnego_kerberos(connection_struct *conn,
139 char *inbuf, char *outbuf,
140 int length, int bufsize,
145 const struct passwd *pw;
150 DATA_BLOB ap_rep, ap_rep_wrapped, response;
151 auth_serversupplied_info *server_info = NULL;
153 uint8 session_key[16];
155 BOOL foreign = False;
156 DATA_BLOB nullblob = data_blob(NULL, 0);
159 ZERO_STRUCT(auth_data);
161 ZERO_STRUCT(ap_rep_wrapped);
162 ZERO_STRUCT(response);
164 if (!spnego_parse_krb5_wrap(*secblob, &ticket, tok_id)) {
165 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
168 ads = ads_init_simple();
171 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
174 ads->auth.realm = strdup(lp_realm());
176 ret = ads_verify_ticket(ads, &ticket, &client, &auth_data, &ap_rep, session_key);
177 if (!NT_STATUS_IS_OK(ret)) {
178 DEBUG(1,("Failed to verify incoming ticket!\n"));
180 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
183 data_blob_free(&auth_data);
185 DEBUG(3,("Ticket name is [%s]\n", client));
187 p = strchr_m(client, '@');
189 DEBUG(3,("Doesn't look like a valid principal\n"));
191 data_blob_free(&ap_rep);
192 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
196 if (strcasecmp(p+1, ads->auth.realm) != 0) {
197 DEBUG(3,("Ticket for foreign realm %s@%s\n", client, p+1));
198 if (!lp_allow_trusted_domains()) {
199 data_blob_free(&ap_rep);
200 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
205 /* this gives a fully qualified user name (ie. with full realm).
206 that leads to very long usernames, but what else can we do? */
207 asprintf(&user, "%s%s%s", p+1, lp_winbind_separator(), client);
209 pw = Get_Pwnam(user);
210 if (!pw && !foreign) {
211 pw = Get_Pwnam(client);
213 user = smb_xstrdup(client);
218 /* setup the string used by %U */
219 sub_set_smb_name(user);
221 reload_services(True);
224 DEBUG(1,("Username %s is invalid on this system\n",user));
225 data_blob_free(&ap_rep);
226 return ERROR_NT(NT_STATUS_NO_SUCH_USER);
229 if (!NT_STATUS_IS_OK(ret = make_server_info_pw(&server_info,pw))) {
230 DEBUG(1,("make_server_info_from_pw failed!\n"));
231 data_blob_free(&ap_rep);
232 return ERROR_NT(ret);
235 /* Copy out the session key from the AP_REQ. */
236 memcpy(server_info->session_key, session_key, sizeof(session_key));
238 /* register_vuid keeps the server info */
239 sess_vuid = register_vuid(server_info, nullblob, user);
243 if (sess_vuid == -1) {
244 ret = NT_STATUS_LOGON_FAILURE;
246 set_message(outbuf,4,0,True);
247 SSVAL(outbuf, smb_vwv3, 0);
249 if (server_info->guest) {
250 SSVAL(outbuf,smb_vwv2,1);
253 SSVAL(outbuf, smb_uid, sess_vuid);
255 if (!server_info->guest) {
256 /* We need to start the signing engine
257 * here but a W2K client sends the old
258 * "BSRSPYL " signature instead of the
259 * correct one. Subsequent packets will
262 srv_check_sign_mac(inbuf);
266 /* wrap that up in a nice GSS-API wrapping */
267 if (NT_STATUS_IS_OK(ret)) {
268 ap_rep_wrapped = spnego_gen_krb5_wrap(ap_rep, TOK_ID_KRB_AP_REP);
270 ap_rep_wrapped = data_blob(NULL, 0);
272 response = spnego_gen_auth_response(&ap_rep_wrapped, ret, OID_KERBEROS5_OLD);
273 reply_sesssetup_blob(conn, outbuf, response, ret);
275 data_blob_free(&ap_rep);
276 data_blob_free(&ap_rep_wrapped);
277 data_blob_free(&response);
279 return -1; /* already replied */
283 /****************************************************************************
284 Send a session setup reply, wrapped in SPNEGO.
285 Get vuid and check first.
286 End the NTLMSSP exchange context if we are OK/complete fail
287 ***************************************************************************/
289 static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *outbuf,
290 AUTH_NTLMSSP_STATE **auth_ntlmssp_state,
291 DATA_BLOB *ntlmssp_blob, NTSTATUS nt_status)
295 struct auth_serversupplied_info *server_info = NULL;
297 if (NT_STATUS_IS_OK(nt_status)) {
298 server_info = (*auth_ntlmssp_state)->server_info;
300 nt_status = do_map_to_guest(nt_status,
302 (*auth_ntlmssp_state)->ntlmssp_state->user,
303 (*auth_ntlmssp_state)->ntlmssp_state->domain);
306 if (NT_STATUS_IS_OK(nt_status)) {
308 DATA_BLOB nullblob = data_blob(NULL, 0);
310 /* register_vuid keeps the server info */
311 sess_vuid = register_vuid(server_info, nullblob, (*auth_ntlmssp_state)->ntlmssp_state->user);
312 (*auth_ntlmssp_state)->server_info = NULL;
314 if (sess_vuid == -1) {
315 nt_status = NT_STATUS_LOGON_FAILURE;
318 set_message(outbuf,4,0,True);
319 SSVAL(outbuf, smb_vwv3, 0);
321 if (server_info->guest) {
322 SSVAL(outbuf,smb_vwv2,1);
325 SSVAL(outbuf,smb_uid,sess_vuid);
327 if (!server_info->guest) {
328 /* We need to start the signing engine
329 * here but a W2K client sends the old
330 * "BSRSPYL " signature instead of the
331 * correct one. Subsequent packets will
334 srv_check_sign_mac(inbuf);
339 response = spnego_gen_auth_response(ntlmssp_blob, nt_status, OID_NTLMSSP);
340 ret = reply_sesssetup_blob(conn, outbuf, response, nt_status);
341 data_blob_free(&response);
343 /* NT_STATUS_MORE_PROCESSING_REQUIRED from our NTLMSSP code tells us,
344 and the other end, that we are not finished yet. */
346 if (!ret || !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
347 auth_ntlmssp_end(auth_ntlmssp_state);
353 /****************************************************************************
354 Reply to a session setup spnego negotiate packet.
355 ****************************************************************************/
357 static int reply_spnego_negotiate(connection_struct *conn,
360 int length, int bufsize,
363 char *OIDs[ASN1_MAX_OIDS];
367 BOOL got_kerberos = False;
370 /* parse out the OIDs and the first sec blob */
371 if (!parse_negTokenTarg(blob1, OIDs, &secblob)) {
372 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
375 /* only look at the first OID for determining the mechToken --
376 accoirding to RFC2478, we should choose the one we want
377 and renegotiate, but i smell a client bug here..
379 Problem observed when connecting to a member (samba box)
380 of an AD domain as a user in a Samba domain. Samba member
381 server sent back krb5/mskrb5/ntlmssp as mechtypes, but the
382 client (2ksp3) replied with ntlmssp/mskrb5/krb5 and an
383 NTLMSSP mechtoken. --jerry */
385 if (strcmp(OID_KERBEROS5, OIDs[0]) == 0 ||
386 strcmp(OID_KERBEROS5_OLD, OIDs[0]) == 0) {
390 for (i=0;OIDs[i];i++) {
391 DEBUG(3,("Got OID %s\n", OIDs[i]));
394 DEBUG(3,("Got secblob of size %lu\n", (unsigned long)secblob.length));
397 if (got_kerberos && (SEC_ADS == lp_security())) {
398 int ret = reply_spnego_kerberos(conn, inbuf, outbuf,
399 length, bufsize, &secblob);
400 data_blob_free(&secblob);
405 if (global_ntlmssp_state) {
406 auth_ntlmssp_end(&global_ntlmssp_state);
409 nt_status = auth_ntlmssp_start(&global_ntlmssp_state);
410 if (!NT_STATUS_IS_OK(nt_status)) {
411 return ERROR_NT(nt_status);
414 nt_status = auth_ntlmssp_update(global_ntlmssp_state,
417 data_blob_free(&secblob);
419 reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
422 data_blob_free(&chal);
424 /* already replied */
428 /****************************************************************************
429 Reply to a session setup spnego auth packet.
430 ****************************************************************************/
432 static int reply_spnego_auth(connection_struct *conn, char *inbuf, char *outbuf,
433 int length, int bufsize,
436 DATA_BLOB auth, auth_reply;
437 NTSTATUS nt_status = NT_STATUS_INVALID_PARAMETER;
439 if (!spnego_parse_auth(blob1, &auth)) {
441 file_save("auth.dat", blob1.data, blob1.length);
443 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
446 if (!global_ntlmssp_state) {
447 /* auth before negotiatiate? */
448 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
451 nt_status = auth_ntlmssp_update(global_ntlmssp_state,
454 data_blob_free(&auth);
456 reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
457 &auth_reply, nt_status);
459 data_blob_free(&auth_reply);
461 /* and tell smbd that we have already replied to this packet */
465 /****************************************************************************
466 Reply to a session setup command.
467 ****************************************************************************/
469 static int reply_sesssetup_and_X_spnego(connection_struct *conn, char *inbuf,
471 int length,int bufsize)
477 fstring native_os, native_lanman;
479 uint16 data_blob_len = SVAL(inbuf, smb_vwv7);
480 enum remote_arch_types ra_type = get_remote_arch();
482 DEBUG(3,("Doing spnego session setup\n"));
484 if (global_client_caps == 0) {
485 global_client_caps = IVAL(inbuf,smb_vwv10);
488 p = (uint8 *)smb_buf(inbuf);
490 if (data_blob_len == 0) {
491 /* an invalid request */
492 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
495 bufrem = smb_bufrem(inbuf, p);
496 /* pull the spnego blob */
497 blob1 = data_blob(p, MIN(bufrem, data_blob_len));
500 file_save("negotiate.dat", blob1.data, blob1.length);
503 p2 = inbuf + smb_vwv13 + data_blob_len;
504 p2 += srvstr_pull_buf(inbuf, native_os, p2, sizeof(native_os), STR_TERMINATE);
505 p2 += srvstr_pull_buf(inbuf, native_lanman, p2, sizeof(native_lanman), STR_TERMINATE);
506 DEBUG(3,("NativeOS=[%s] NativeLanMan=[%s]\n", native_os, native_lanman));
508 if ( ra_type == RA_WIN2K )
509 ra_lanman_string( native_lanman );
511 if (blob1.data[0] == ASN1_APPLICATION(0)) {
512 /* its a negTokenTarg packet */
513 ret = reply_spnego_negotiate(conn, inbuf, outbuf, length, bufsize, blob1);
514 data_blob_free(&blob1);
518 if (blob1.data[0] == ASN1_CONTEXT(1)) {
519 /* its a auth packet */
520 ret = reply_spnego_auth(conn, inbuf, outbuf, length, bufsize, blob1);
521 data_blob_free(&blob1);
525 /* what sort of packet is this? */
526 DEBUG(1,("Unknown packet in reply_sesssetup_and_X_spnego\n"));
528 data_blob_free(&blob1);
530 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
533 /****************************************************************************
534 On new VC == 0, shutdown *all* old connections and users.
535 It seems that only NT4.x does this. At W2K and above (XP etc.).
536 a new session setup with VC==0 is ignored.
537 ****************************************************************************/
539 static void setup_new_vc_session(void)
541 DEBUG(2,("setup_new_vc_session: New VC == 0, if NT4.x compatible we would close all old resources.\n"));
544 invalidate_all_vuids();
548 /****************************************************************************
549 Reply to a session setup command.
550 ****************************************************************************/
552 int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
553 int length,int bufsize)
559 DATA_BLOB plaintext_password;
561 fstring sub_user; /* Sainitised username for substituion */
564 fstring native_lanman;
565 static BOOL done_sesssetup = False;
566 extern BOOL global_encrypted_passwords_negotiated;
567 extern BOOL global_spnego_negotiated;
571 auth_usersupplied_info *user_info = NULL;
572 extern struct auth_context *negprot_global_auth_context;
573 auth_serversupplied_info *server_info = NULL;
577 BOOL doencrypt = global_encrypted_passwords_negotiated;
579 START_PROFILE(SMBsesssetupX);
581 ZERO_STRUCT(lm_resp);
582 ZERO_STRUCT(nt_resp);
583 ZERO_STRUCT(plaintext_password);
585 DEBUG(3,("wct=%d flg2=0x%x\n", CVAL(inbuf, smb_wct), SVAL(inbuf, smb_flg2)));
587 /* a SPNEGO session setup has 12 command words, whereas a normal
588 NT1 session setup has 13. See the cifs spec. */
589 if (CVAL(inbuf, smb_wct) == 12 &&
590 (SVAL(inbuf, smb_flg2) & FLAGS2_EXTENDED_SECURITY)) {
591 if (!global_spnego_negotiated) {
592 DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at SPNEGO session setup when it was not negoitiated.\n"));
593 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
596 if (SVAL(inbuf,smb_vwv4) == 0) {
597 setup_new_vc_session();
599 return reply_sesssetup_and_X_spnego(conn, inbuf, outbuf, length, bufsize);
602 smb_bufsize = SVAL(inbuf,smb_vwv2);
604 if (Protocol < PROTOCOL_NT1) {
605 uint16 passlen1 = SVAL(inbuf,smb_vwv7);
606 if ((passlen1 > MAX_PASS_LEN) || (passlen1 > smb_bufrem(inbuf, smb_buf(inbuf)))) {
607 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
611 lm_resp = data_blob(smb_buf(inbuf), passlen1);
613 plaintext_password = data_blob(smb_buf(inbuf), passlen1+1);
614 /* Ensure null termination */
615 plaintext_password.data[passlen1] = 0;
618 srvstr_pull_buf(inbuf, user, smb_buf(inbuf)+passlen1, sizeof(user), STR_TERMINATE);
622 uint16 passlen1 = SVAL(inbuf,smb_vwv7);
623 uint16 passlen2 = SVAL(inbuf,smb_vwv8);
624 enum remote_arch_types ra_type = get_remote_arch();
625 char *p = smb_buf(inbuf);
627 if(global_client_caps == 0)
628 global_client_caps = IVAL(inbuf,smb_vwv11);
630 /* client_caps is used as final determination if client is NT or Win95.
631 This is needed to return the correct error codes in some
635 if(ra_type == RA_WINNT || ra_type == RA_WIN2K || ra_type == RA_WIN95) {
636 if(!(global_client_caps & (CAP_NT_SMBS | CAP_STATUS32))) {
637 set_remote_arch( RA_WIN95);
642 /* both Win95 and WinNT stuff up the password lengths for
643 non-encrypting systems. Uggh.
645 if passlen1==24 its a win95 system, and its setting the
646 password length incorrectly. Luckily it still works with the
647 default code because Win95 will null terminate the password
650 if passlen1>0 and passlen2>0 then maybe its a NT box and its
651 setting passlen2 to some random value which really stuffs
652 things up. we need to fix that one. */
654 if (passlen1 > 0 && passlen2 > 0 && passlen2 != 24 && passlen2 != 1)
658 /* check for nasty tricks */
659 if (passlen1 > MAX_PASS_LEN || passlen1 > smb_bufrem(inbuf, p)) {
660 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
663 if (passlen2 > MAX_PASS_LEN || passlen2 > smb_bufrem(inbuf, p+passlen1)) {
664 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
667 /* Save the lanman2 password and the NT md4 password. */
669 if ((doencrypt) && (passlen1 != 0) && (passlen1 != 24)) {
674 lm_resp = data_blob(p, passlen1);
675 nt_resp = data_blob(p+passlen1, passlen2);
679 unic=SVAL(inbuf, smb_flg2) & FLAGS2_UNICODE_STRINGS;
680 srvstr_pull(inbuf, pass, smb_buf(inbuf),
681 sizeof(pass), unic ? passlen2 : passlen1,
683 plaintext_password = data_blob(pass, strlen(pass)+1);
686 p += passlen1 + passlen2;
687 p += srvstr_pull_buf(inbuf, user, p, sizeof(user), STR_TERMINATE);
688 p += srvstr_pull_buf(inbuf, domain, p, sizeof(domain), STR_TERMINATE);
689 p += srvstr_pull_buf(inbuf, native_os, p, sizeof(native_os), STR_TERMINATE);
690 p += srvstr_pull_buf(inbuf, native_lanman, p, sizeof(native_lanman), STR_TERMINATE);
691 DEBUG(3,("Domain=[%s] NativeOS=[%s] NativeLanMan=[%s]\n",
692 domain,native_os,native_lanman));
694 if ( ra_type == RA_WIN2K )
695 ra_lanman_string( native_lanman );
699 if (SVAL(inbuf,smb_vwv4) == 0) {
700 setup_new_vc_session();
703 DEBUG(3,("sesssetupX:name=[%s]\\[%s]@[%s]\n", domain, user, get_remote_machine_name()));
706 if (global_spnego_negotiated) {
708 /* This has to be here, because this is a perfectly valid behaviour for guest logons :-( */
710 DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at 'normal' session setup after negotiating spnego.\n"));
711 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
713 fstrcpy(sub_user, user);
715 /* setup the string used by %U */
716 sub_set_smb_name(user);
718 fstrcpy(sub_user, lp_guestaccount());
721 sub_set_smb_name(sub_user);
723 reload_services(True);
725 if (lp_security() == SEC_SHARE) {
726 /* in share level we should ignore any passwords */
728 data_blob_free(&lm_resp);
729 data_blob_free(&nt_resp);
730 data_blob_clear_free(&plaintext_password);
732 map_username(sub_user);
733 add_session_user(sub_user);
734 /* Then force it to null for the benfit of the code below */
740 nt_status = check_guest_password(&server_info);
742 } else if (doencrypt) {
743 if (!negprot_global_auth_context) {
744 DEBUG(0, ("reply_sesssetup_and_X: Attempted encrypted session setup without negprot denied!\n"));
745 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
747 nt_status = make_user_info_for_reply_enc(&user_info, user, domain,
749 if (NT_STATUS_IS_OK(nt_status)) {
750 nt_status = negprot_global_auth_context->check_ntlm_password(negprot_global_auth_context,
755 struct auth_context *plaintext_auth_context = NULL;
757 if (NT_STATUS_IS_OK(nt_status = make_auth_context_subsystem(&plaintext_auth_context))) {
758 chal = plaintext_auth_context->get_ntlm_challenge(plaintext_auth_context);
760 if (!make_user_info_for_reply(&user_info,
762 plaintext_password)) {
763 nt_status = NT_STATUS_NO_MEMORY;
766 if (NT_STATUS_IS_OK(nt_status)) {
767 nt_status = plaintext_auth_context->check_ntlm_password(plaintext_auth_context,
771 (plaintext_auth_context->free)(&plaintext_auth_context);
776 free_user_info(&user_info);
778 data_blob_free(&lm_resp);
779 data_blob_clear_free(&plaintext_password);
781 if (!NT_STATUS_IS_OK(nt_status)) {
782 nt_status = do_map_to_guest(nt_status, &server_info, user, domain);
785 if (!NT_STATUS_IS_OK(nt_status)) {
786 data_blob_free(&nt_resp);
787 return ERROR_NT(nt_status_squash(nt_status));
790 /* it's ok - setup a reply */
791 set_message(outbuf,3,0,True);
792 if (Protocol >= PROTOCOL_NT1) {
793 char *p = smb_buf( outbuf );
794 p += add_signature( outbuf, p );
795 set_message_end( outbuf, p );
796 /* perhaps grab OS version here?? */
799 if (server_info->guest) {
800 SSVAL(outbuf,smb_vwv2,1);
803 /* register the name and uid as being validated, so further connections
804 to a uid can get through without a password, on the same VC */
806 /* register_vuid keeps the server info */
807 sess_vuid = register_vuid(server_info, nt_resp, sub_user);
808 data_blob_free(&nt_resp);
810 if (sess_vuid == -1) {
811 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
814 if (!server_info->guest && !srv_check_sign_mac(inbuf)) {
815 exit_server("reply_sesssetup_and_X: bad smb signature");
818 SSVAL(outbuf,smb_uid,sess_vuid);
819 SSVAL(inbuf,smb_uid,sess_vuid);
822 max_send = MIN(max_send,smb_bufsize);
824 done_sesssetup = True;
826 END_PROFILE(SMBsesssetupX);
827 return chain_reply(inbuf,outbuf,length,bufsize);