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;
152 uint8 session_key[16];
154 BOOL foreign = False;
155 DATA_BLOB nullblob = data_blob(NULL, 0);
158 ZERO_STRUCT(auth_data);
160 ZERO_STRUCT(ap_rep_wrapped);
161 ZERO_STRUCT(response);
163 if (!spnego_parse_krb5_wrap(*secblob, &ticket, tok_id)) {
164 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
167 ret = ads_verify_ticket(lp_realm(), &ticket, &client, &auth_data, &ap_rep, session_key);
168 if (!NT_STATUS_IS_OK(ret)) {
169 DEBUG(1,("Failed to verify incoming ticket!\n"));
170 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
173 data_blob_free(&auth_data);
174 data_blob_free(&ticket);
176 DEBUG(3,("Ticket name is [%s]\n", client));
178 p = strchr_m(client, '@');
180 DEBUG(3,("Doesn't look like a valid principal\n"));
181 data_blob_free(&ap_rep);
183 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
187 if (strcasecmp(p+1, lp_realm()) != 0) {
188 DEBUG(3,("Ticket for foreign realm %s@%s\n", client, p+1));
189 if (!lp_allow_trusted_domains()) {
190 data_blob_free(&ap_rep);
192 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
197 /* this gives a fully qualified user name (ie. with full realm).
198 that leads to very long usernames, but what else can we do? */
199 asprintf(&user, "%s%s%s", p+1, lp_winbind_separator(), client);
201 pw = Get_Pwnam(user);
202 if (!pw && !foreign) {
203 pw = Get_Pwnam(client);
205 user = smb_xstrdup(client);
210 /* setup the string used by %U */
211 sub_set_smb_name(user);
213 reload_services(True);
216 DEBUG(1,("Username %s is invalid on this system\n",user));
217 data_blob_free(&ap_rep);
218 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
221 if (!NT_STATUS_IS_OK(ret = make_server_info_pw(&server_info,pw))) {
222 DEBUG(1,("make_server_info_from_pw failed!\n"));
223 data_blob_free(&ap_rep);
224 return ERROR_NT(ret);
227 /* Copy out the session key from the AP_REQ. */
228 memcpy(server_info->session_key, session_key, sizeof(session_key));
230 /* register_vuid keeps the server info */
231 sess_vuid = register_vuid(server_info, nullblob, user);
235 if (sess_vuid == -1) {
236 ret = NT_STATUS_LOGON_FAILURE;
238 set_message(outbuf,4,0,True);
239 SSVAL(outbuf, smb_vwv3, 0);
241 if (server_info->guest) {
242 SSVAL(outbuf,smb_vwv2,1);
245 SSVAL(outbuf, smb_uid, sess_vuid);
247 if (!server_info->guest) {
248 /* We need to start the signing engine
249 * here but a W2K client sends the old
250 * "BSRSPYL " signature instead of the
251 * correct one. Subsequent packets will
254 srv_check_sign_mac(inbuf);
258 /* wrap that up in a nice GSS-API wrapping */
259 if (NT_STATUS_IS_OK(ret)) {
260 ap_rep_wrapped = spnego_gen_krb5_wrap(ap_rep, TOK_ID_KRB_AP_REP);
262 ap_rep_wrapped = data_blob(NULL, 0);
264 response = spnego_gen_auth_response(&ap_rep_wrapped, ret, OID_KERBEROS5_OLD);
265 reply_sesssetup_blob(conn, outbuf, response, ret);
267 data_blob_free(&ap_rep);
268 data_blob_free(&ap_rep_wrapped);
269 data_blob_free(&response);
271 return -1; /* already replied */
275 /****************************************************************************
276 Send a session setup reply, wrapped in SPNEGO.
277 Get vuid and check first.
278 End the NTLMSSP exchange context if we are OK/complete fail
279 ***************************************************************************/
281 static BOOL reply_spnego_ntlmssp(connection_struct *conn, char *inbuf, char *outbuf,
282 AUTH_NTLMSSP_STATE **auth_ntlmssp_state,
283 DATA_BLOB *ntlmssp_blob, NTSTATUS nt_status)
287 struct auth_serversupplied_info *server_info = NULL;
289 if (NT_STATUS_IS_OK(nt_status)) {
290 server_info = (*auth_ntlmssp_state)->server_info;
292 nt_status = do_map_to_guest(nt_status,
294 (*auth_ntlmssp_state)->ntlmssp_state->user,
295 (*auth_ntlmssp_state)->ntlmssp_state->domain);
298 if (NT_STATUS_IS_OK(nt_status)) {
300 DATA_BLOB nullblob = data_blob(NULL, 0);
302 /* register_vuid keeps the server info */
303 sess_vuid = register_vuid(server_info, nullblob, (*auth_ntlmssp_state)->ntlmssp_state->user);
304 (*auth_ntlmssp_state)->server_info = NULL;
306 if (sess_vuid == -1) {
307 nt_status = NT_STATUS_LOGON_FAILURE;
310 set_message(outbuf,4,0,True);
311 SSVAL(outbuf, smb_vwv3, 0);
313 if (server_info->guest) {
314 SSVAL(outbuf,smb_vwv2,1);
317 SSVAL(outbuf,smb_uid,sess_vuid);
319 if (!server_info->guest) {
320 /* We need to start the signing engine
321 * here but a W2K client sends the old
322 * "BSRSPYL " signature instead of the
323 * correct one. Subsequent packets will
326 srv_check_sign_mac(inbuf);
331 response = spnego_gen_auth_response(ntlmssp_blob, nt_status, OID_NTLMSSP);
332 ret = reply_sesssetup_blob(conn, outbuf, response, nt_status);
333 data_blob_free(&response);
335 /* NT_STATUS_MORE_PROCESSING_REQUIRED from our NTLMSSP code tells us,
336 and the other end, that we are not finished yet. */
338 if (!ret || !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
339 auth_ntlmssp_end(auth_ntlmssp_state);
345 /****************************************************************************
346 Reply to a session setup spnego negotiate packet.
347 ****************************************************************************/
349 static int reply_spnego_negotiate(connection_struct *conn,
352 int length, int bufsize,
355 char *OIDs[ASN1_MAX_OIDS];
359 BOOL got_kerberos = False;
362 /* parse out the OIDs and the first sec blob */
363 if (!parse_negTokenTarg(blob1, OIDs, &secblob)) {
364 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
367 /* only look at the first OID for determining the mechToken --
368 accoirding to RFC2478, we should choose the one we want
369 and renegotiate, but i smell a client bug here..
371 Problem observed when connecting to a member (samba box)
372 of an AD domain as a user in a Samba domain. Samba member
373 server sent back krb5/mskrb5/ntlmssp as mechtypes, but the
374 client (2ksp3) replied with ntlmssp/mskrb5/krb5 and an
375 NTLMSSP mechtoken. --jerry */
377 if (strcmp(OID_KERBEROS5, OIDs[0]) == 0 ||
378 strcmp(OID_KERBEROS5_OLD, OIDs[0]) == 0) {
382 for (i=0;OIDs[i];i++) {
383 DEBUG(3,("Got OID %s\n", OIDs[i]));
386 DEBUG(3,("Got secblob of size %lu\n", (unsigned long)secblob.length));
389 if (got_kerberos && (SEC_ADS == lp_security())) {
390 int ret = reply_spnego_kerberos(conn, inbuf, outbuf,
391 length, bufsize, &secblob);
392 data_blob_free(&secblob);
397 if (global_ntlmssp_state) {
398 auth_ntlmssp_end(&global_ntlmssp_state);
401 nt_status = auth_ntlmssp_start(&global_ntlmssp_state);
402 if (!NT_STATUS_IS_OK(nt_status)) {
403 return ERROR_NT(nt_status);
406 nt_status = auth_ntlmssp_update(global_ntlmssp_state,
409 data_blob_free(&secblob);
411 reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
414 data_blob_free(&chal);
416 /* already replied */
420 /****************************************************************************
421 Reply to a session setup spnego auth packet.
422 ****************************************************************************/
424 static int reply_spnego_auth(connection_struct *conn, char *inbuf, char *outbuf,
425 int length, int bufsize,
428 DATA_BLOB auth, auth_reply;
429 NTSTATUS nt_status = NT_STATUS_INVALID_PARAMETER;
431 if (!spnego_parse_auth(blob1, &auth)) {
433 file_save("auth.dat", blob1.data, blob1.length);
435 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
438 if (!global_ntlmssp_state) {
439 /* auth before negotiatiate? */
440 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
443 nt_status = auth_ntlmssp_update(global_ntlmssp_state,
446 data_blob_free(&auth);
448 reply_spnego_ntlmssp(conn, inbuf, outbuf, &global_ntlmssp_state,
449 &auth_reply, nt_status);
451 data_blob_free(&auth_reply);
453 /* and tell smbd that we have already replied to this packet */
457 /****************************************************************************
458 Reply to a session setup command.
459 ****************************************************************************/
461 static int reply_sesssetup_and_X_spnego(connection_struct *conn, char *inbuf,
463 int length,int bufsize)
469 fstring native_os, native_lanman;
471 uint16 data_blob_len = SVAL(inbuf, smb_vwv7);
472 enum remote_arch_types ra_type = get_remote_arch();
474 DEBUG(3,("Doing spnego session setup\n"));
476 if (global_client_caps == 0) {
477 global_client_caps = IVAL(inbuf,smb_vwv10);
480 p = (uint8 *)smb_buf(inbuf);
482 if (data_blob_len == 0) {
483 /* an invalid request */
484 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
487 bufrem = smb_bufrem(inbuf, p);
488 /* pull the spnego blob */
489 blob1 = data_blob(p, MIN(bufrem, data_blob_len));
492 file_save("negotiate.dat", blob1.data, blob1.length);
495 p2 = inbuf + smb_vwv13 + data_blob_len;
496 p2 += srvstr_pull_buf(inbuf, native_os, p2, sizeof(native_os), STR_TERMINATE);
497 p2 += srvstr_pull_buf(inbuf, native_lanman, p2, sizeof(native_lanman), STR_TERMINATE);
498 DEBUG(3,("NativeOS=[%s] NativeLanMan=[%s]\n", native_os, native_lanman));
500 if ( ra_type == RA_WIN2K )
501 ra_lanman_string( native_lanman );
503 if (blob1.data[0] == ASN1_APPLICATION(0)) {
504 /* its a negTokenTarg packet */
505 ret = reply_spnego_negotiate(conn, inbuf, outbuf, length, bufsize, blob1);
506 data_blob_free(&blob1);
510 if (blob1.data[0] == ASN1_CONTEXT(1)) {
511 /* its a auth packet */
512 ret = reply_spnego_auth(conn, inbuf, outbuf, length, bufsize, blob1);
513 data_blob_free(&blob1);
517 /* what sort of packet is this? */
518 DEBUG(1,("Unknown packet in reply_sesssetup_and_X_spnego\n"));
520 data_blob_free(&blob1);
522 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
525 /****************************************************************************
526 On new VC == 0, shutdown *all* old connections and users.
527 It seems that only NT4.x does this. At W2K and above (XP etc.).
528 a new session setup with VC==0 is ignored.
529 ****************************************************************************/
531 static void setup_new_vc_session(void)
533 DEBUG(2,("setup_new_vc_session: New VC == 0, if NT4.x compatible we would close all old resources.\n"));
536 invalidate_all_vuids();
540 /****************************************************************************
541 Reply to a session setup command.
542 ****************************************************************************/
544 int reply_sesssetup_and_X(connection_struct *conn, char *inbuf,char *outbuf,
545 int length,int bufsize)
551 DATA_BLOB plaintext_password;
553 fstring sub_user; /* Sainitised username for substituion */
556 fstring native_lanman;
557 static BOOL done_sesssetup = False;
558 extern BOOL global_encrypted_passwords_negotiated;
559 extern BOOL global_spnego_negotiated;
563 auth_usersupplied_info *user_info = NULL;
564 extern struct auth_context *negprot_global_auth_context;
565 auth_serversupplied_info *server_info = NULL;
569 BOOL doencrypt = global_encrypted_passwords_negotiated;
571 START_PROFILE(SMBsesssetupX);
573 ZERO_STRUCT(lm_resp);
574 ZERO_STRUCT(nt_resp);
575 ZERO_STRUCT(plaintext_password);
577 DEBUG(3,("wct=%d flg2=0x%x\n", CVAL(inbuf, smb_wct), SVAL(inbuf, smb_flg2)));
579 /* a SPNEGO session setup has 12 command words, whereas a normal
580 NT1 session setup has 13. See the cifs spec. */
581 if (CVAL(inbuf, smb_wct) == 12 &&
582 (SVAL(inbuf, smb_flg2) & FLAGS2_EXTENDED_SECURITY)) {
583 if (!global_spnego_negotiated) {
584 DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at SPNEGO session setup when it was not negoitiated.\n"));
585 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
588 if (SVAL(inbuf,smb_vwv4) == 0) {
589 setup_new_vc_session();
591 return reply_sesssetup_and_X_spnego(conn, inbuf, outbuf, length, bufsize);
594 smb_bufsize = SVAL(inbuf,smb_vwv2);
596 if (Protocol < PROTOCOL_NT1) {
597 uint16 passlen1 = SVAL(inbuf,smb_vwv7);
598 if ((passlen1 > MAX_PASS_LEN) || (passlen1 > smb_bufrem(inbuf, smb_buf(inbuf)))) {
599 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
603 lm_resp = data_blob(smb_buf(inbuf), passlen1);
605 plaintext_password = data_blob(smb_buf(inbuf), passlen1+1);
606 /* Ensure null termination */
607 plaintext_password.data[passlen1] = 0;
610 srvstr_pull_buf(inbuf, user, smb_buf(inbuf)+passlen1, sizeof(user), STR_TERMINATE);
614 uint16 passlen1 = SVAL(inbuf,smb_vwv7);
615 uint16 passlen2 = SVAL(inbuf,smb_vwv8);
616 enum remote_arch_types ra_type = get_remote_arch();
617 char *p = smb_buf(inbuf);
619 if(global_client_caps == 0)
620 global_client_caps = IVAL(inbuf,smb_vwv11);
622 /* client_caps is used as final determination if client is NT or Win95.
623 This is needed to return the correct error codes in some
627 if(ra_type == RA_WINNT || ra_type == RA_WIN2K || ra_type == RA_WIN95) {
628 if(!(global_client_caps & (CAP_NT_SMBS | CAP_STATUS32))) {
629 set_remote_arch( RA_WIN95);
634 /* both Win95 and WinNT stuff up the password lengths for
635 non-encrypting systems. Uggh.
637 if passlen1==24 its a win95 system, and its setting the
638 password length incorrectly. Luckily it still works with the
639 default code because Win95 will null terminate the password
642 if passlen1>0 and passlen2>0 then maybe its a NT box and its
643 setting passlen2 to some random value which really stuffs
644 things up. we need to fix that one. */
646 if (passlen1 > 0 && passlen2 > 0 && passlen2 != 24 && passlen2 != 1)
650 /* check for nasty tricks */
651 if (passlen1 > MAX_PASS_LEN || passlen1 > smb_bufrem(inbuf, p)) {
652 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
655 if (passlen2 > MAX_PASS_LEN || passlen2 > smb_bufrem(inbuf, p+passlen1)) {
656 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
659 /* Save the lanman2 password and the NT md4 password. */
661 if ((doencrypt) && (passlen1 != 0) && (passlen1 != 24)) {
666 lm_resp = data_blob(p, passlen1);
667 nt_resp = data_blob(p+passlen1, passlen2);
671 unic=SVAL(inbuf, smb_flg2) & FLAGS2_UNICODE_STRINGS;
672 srvstr_pull(inbuf, pass, smb_buf(inbuf),
673 sizeof(pass), unic ? passlen2 : passlen1,
675 plaintext_password = data_blob(pass, strlen(pass)+1);
678 p += passlen1 + passlen2;
679 p += srvstr_pull_buf(inbuf, user, p, sizeof(user), STR_TERMINATE);
680 p += srvstr_pull_buf(inbuf, domain, p, sizeof(domain), STR_TERMINATE);
681 p += srvstr_pull_buf(inbuf, native_os, p, sizeof(native_os), STR_TERMINATE);
682 p += srvstr_pull_buf(inbuf, native_lanman, p, sizeof(native_lanman), STR_TERMINATE);
683 DEBUG(3,("Domain=[%s] NativeOS=[%s] NativeLanMan=[%s]\n",
684 domain,native_os,native_lanman));
686 if ( ra_type == RA_WIN2K )
687 ra_lanman_string( native_lanman );
691 if (SVAL(inbuf,smb_vwv4) == 0) {
692 setup_new_vc_session();
695 DEBUG(3,("sesssetupX:name=[%s]\\[%s]@[%s]\n", domain, user, get_remote_machine_name()));
698 if (global_spnego_negotiated) {
700 /* This has to be here, because this is a perfectly valid behaviour for guest logons :-( */
702 DEBUG(0,("reply_sesssetup_and_X: Rejecting attempt at 'normal' session setup after negotiating spnego.\n"));
703 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
705 fstrcpy(sub_user, user);
707 /* setup the string used by %U */
708 sub_set_smb_name(user);
710 fstrcpy(sub_user, lp_guestaccount());
713 sub_set_smb_name(sub_user);
715 reload_services(True);
717 if (lp_security() == SEC_SHARE) {
718 /* in share level we should ignore any passwords */
720 data_blob_free(&lm_resp);
721 data_blob_free(&nt_resp);
722 data_blob_clear_free(&plaintext_password);
724 map_username(sub_user);
725 add_session_user(sub_user);
726 /* Then force it to null for the benfit of the code below */
732 nt_status = check_guest_password(&server_info);
734 } else if (doencrypt) {
735 if (!negprot_global_auth_context) {
736 DEBUG(0, ("reply_sesssetup_and_X: Attempted encrypted session setup without negprot denied!\n"));
737 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
739 nt_status = make_user_info_for_reply_enc(&user_info, user, domain,
741 if (NT_STATUS_IS_OK(nt_status)) {
742 nt_status = negprot_global_auth_context->check_ntlm_password(negprot_global_auth_context,
747 struct auth_context *plaintext_auth_context = NULL;
749 if (NT_STATUS_IS_OK(nt_status = make_auth_context_subsystem(&plaintext_auth_context))) {
750 chal = plaintext_auth_context->get_ntlm_challenge(plaintext_auth_context);
752 if (!make_user_info_for_reply(&user_info,
754 plaintext_password)) {
755 nt_status = NT_STATUS_NO_MEMORY;
758 if (NT_STATUS_IS_OK(nt_status)) {
759 nt_status = plaintext_auth_context->check_ntlm_password(plaintext_auth_context,
763 (plaintext_auth_context->free)(&plaintext_auth_context);
768 free_user_info(&user_info);
770 data_blob_free(&lm_resp);
771 data_blob_clear_free(&plaintext_password);
773 if (!NT_STATUS_IS_OK(nt_status)) {
774 nt_status = do_map_to_guest(nt_status, &server_info, user, domain);
777 if (!NT_STATUS_IS_OK(nt_status)) {
778 data_blob_free(&nt_resp);
779 return ERROR_NT(nt_status_squash(nt_status));
782 /* it's ok - setup a reply */
783 set_message(outbuf,3,0,True);
784 if (Protocol >= PROTOCOL_NT1) {
785 char *p = smb_buf( outbuf );
786 p += add_signature( outbuf, p );
787 set_message_end( outbuf, p );
788 /* perhaps grab OS version here?? */
791 if (server_info->guest) {
792 SSVAL(outbuf,smb_vwv2,1);
795 /* register the name and uid as being validated, so further connections
796 to a uid can get through without a password, on the same VC */
798 /* register_vuid keeps the server info */
799 sess_vuid = register_vuid(server_info, nt_resp, sub_user);
800 data_blob_free(&nt_resp);
802 if (sess_vuid == -1) {
803 return ERROR_NT(NT_STATUS_LOGON_FAILURE);
806 if (!server_info->guest && !srv_check_sign_mac(inbuf)) {
807 exit_server("reply_sesssetup_and_X: bad smb signature");
810 SSVAL(outbuf,smb_uid,sess_vuid);
811 SSVAL(inbuf,smb_uid,sess_vuid);
814 max_send = MIN(max_send,smb_bufsize);
816 done_sesssetup = True;
818 END_PROFILE(SMBsesssetupX);
819 return chain_reply(inbuf,outbuf,length,bufsize);