2 Unix SMB/CIFS implementation.
3 client connect/disconnect routines
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Andrew Bartlett 2001-2003
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 extern pstring user_socket_options;
30 {PROTOCOL_CORE,"PC NETWORK PROGRAM 1.0"},
31 {PROTOCOL_COREPLUS,"MICROSOFT NETWORKS 1.03"},
32 {PROTOCOL_LANMAN1,"MICROSOFT NETWORKS 3.0"},
33 {PROTOCOL_LANMAN1,"LANMAN1.0"},
34 {PROTOCOL_LANMAN2,"LM1.2X002"},
35 {PROTOCOL_LANMAN2,"DOS LANMAN2.1"},
36 {PROTOCOL_LANMAN2,"Samba"},
37 {PROTOCOL_NT1,"NT LANMAN 1.0"},
38 {PROTOCOL_NT1,"NT LM 0.12"},
43 * Set the user session key for a connection
44 * @param cli The cli structure to add it too
45 * @param session_key The session key used. (A copy of this is taken for the cli struct)
49 static void cli_set_session_key (struct cli_state *cli, const DATA_BLOB session_key)
51 cli->user_session_key = data_blob(session_key.data, session_key.length);
54 /****************************************************************************
55 Do an old lanman2 style session setup.
56 ****************************************************************************/
58 static BOOL cli_session_setup_lanman2(struct cli_state *cli, const char *user,
59 const char *pass, size_t passlen, const char *workgroup)
61 DATA_BLOB session_key = data_blob(NULL, 0);
62 DATA_BLOB lm_response = data_blob(NULL, 0);
66 if (passlen > sizeof(pword)-1)
69 /* LANMAN servers predate NT status codes and Unicode and ignore those
70 smb flags so we must disable the corresponding default capabilities
71 that would otherwise cause the Unicode and NT Status flags to be
72 set (and even returned by the server) */
74 cli->capabilities &= ~(CAP_UNICODE | CAP_STATUS32);
76 /* if in share level security then don't send a password now */
77 if (!(cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL))
80 if (passlen > 0 && (cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen != 24) {
81 /* Encrypted mode needed, and non encrypted password supplied. */
82 lm_response = data_blob(NULL, 24);
83 if (!SMBencrypt(pass, cli->secblob.data,(uchar *)lm_response.data)) {
84 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
87 } else if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen == 24) {
88 /* Encrypted mode needed, and encrypted password supplied. */
89 lm_response = data_blob(pass, passlen);
90 } else if (passlen > 0) {
91 /* Plaintext mode needed, assume plaintext supplied. */
92 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
93 lm_response = data_blob(pass, passlen);
96 /* send a session setup command */
97 memset(cli->outbuf,'\0',smb_size);
98 set_message(cli->outbuf,10, 0, True);
99 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
100 cli_setup_packet(cli);
102 SCVAL(cli->outbuf,smb_vwv0,0xFF);
103 SSVAL(cli->outbuf,smb_vwv2,cli->max_xmit);
104 SSVAL(cli->outbuf,smb_vwv3,2);
105 SSVAL(cli->outbuf,smb_vwv4,1);
106 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
107 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
109 p = smb_buf(cli->outbuf);
110 memcpy(p,lm_response.data,lm_response.length);
111 p += lm_response.length;
112 p += clistr_push(cli, p, user, -1, STR_TERMINATE|STR_UPPER);
113 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
114 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
115 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
116 cli_setup_bcc(cli, p);
119 if (!cli_receive_smb(cli))
122 show_msg(cli->inbuf);
124 if (cli_is_error(cli))
127 /* use the returned vuid from now on */
128 cli->vuid = SVAL(cli->inbuf,smb_uid);
129 fstrcpy(cli->user_name, user);
131 if (session_key.data) {
132 /* Have plaintext orginal */
133 cli_set_session_key(cli, session_key);
139 /****************************************************************************
140 Work out suitable capabilities to offer the server.
141 ****************************************************************************/
143 static uint32 cli_session_setup_capabilities(struct cli_state *cli)
145 uint32 capabilities = CAP_NT_SMBS;
147 if (!cli->force_dos_errors)
148 capabilities |= CAP_STATUS32;
150 if (cli->use_level_II_oplocks)
151 capabilities |= CAP_LEVEL_II_OPLOCKS;
153 capabilities |= (cli->capabilities & (CAP_UNICODE|CAP_LARGE_FILES|CAP_LARGE_READX|CAP_LARGE_WRITEX|CAP_DFS));
157 /****************************************************************************
158 Do a NT1 guest session setup.
159 ****************************************************************************/
161 static BOOL cli_session_setup_guest(struct cli_state *cli)
164 uint32 capabilities = cli_session_setup_capabilities(cli);
166 set_message(cli->outbuf,13,0,True);
167 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
168 cli_setup_packet(cli);
170 SCVAL(cli->outbuf,smb_vwv0,0xFF);
171 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
172 SSVAL(cli->outbuf,smb_vwv3,2);
173 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
174 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
175 SSVAL(cli->outbuf,smb_vwv7,0);
176 SSVAL(cli->outbuf,smb_vwv8,0);
177 SIVAL(cli->outbuf,smb_vwv11,capabilities);
178 p = smb_buf(cli->outbuf);
179 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* username */
180 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* workgroup */
181 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
182 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
183 cli_setup_bcc(cli, p);
186 if (!cli_receive_smb(cli))
189 show_msg(cli->inbuf);
191 if (cli_is_error(cli))
194 cli->vuid = SVAL(cli->inbuf,smb_uid);
196 p = smb_buf(cli->inbuf);
197 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
198 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
199 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
201 fstrcpy(cli->user_name, "");
206 /****************************************************************************
207 Do a NT1 plaintext session setup.
208 ****************************************************************************/
210 static BOOL cli_session_setup_plaintext(struct cli_state *cli, const char *user,
211 const char *pass, const char *workgroup)
213 uint32 capabilities = cli_session_setup_capabilities(cli);
217 fstr_sprintf( lanman, "Samba %s", SAMBA_VERSION_STRING);
219 set_message(cli->outbuf,13,0,True);
220 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
221 cli_setup_packet(cli);
223 SCVAL(cli->outbuf,smb_vwv0,0xFF);
224 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
225 SSVAL(cli->outbuf,smb_vwv3,2);
226 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
227 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
228 SSVAL(cli->outbuf,smb_vwv8,0);
229 SIVAL(cli->outbuf,smb_vwv11,capabilities);
230 p = smb_buf(cli->outbuf);
232 /* check wether to send the ASCII or UNICODE version of the password */
234 if ( (capabilities & CAP_UNICODE) == 0 ) {
235 p += clistr_push(cli, p, pass, -1, STR_TERMINATE); /* password */
236 SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
239 p += clistr_push(cli, p, pass, -1, STR_UNICODE|STR_TERMINATE); /* unicode password */
240 SSVAL(cli->outbuf,smb_vwv8,PTR_DIFF(p, smb_buf(cli->outbuf)));
243 p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
244 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
245 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
246 p += clistr_push(cli, p, lanman, -1, STR_TERMINATE);
247 cli_setup_bcc(cli, p);
250 if (!cli_receive_smb(cli))
253 show_msg(cli->inbuf);
255 if (cli_is_error(cli))
258 cli->vuid = SVAL(cli->inbuf,smb_uid);
259 p = smb_buf(cli->inbuf);
260 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
261 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
262 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
263 fstrcpy(cli->user_name, user);
268 /****************************************************************************
269 do a NT1 NTLM/LM encrypted session setup - for when extended security
271 @param cli client state to create do session setup on
273 @param pass *either* cleartext password (passlen !=24) or LM response.
274 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
275 @param workgroup The user's domain.
276 ****************************************************************************/
278 static BOOL cli_session_setup_nt1(struct cli_state *cli, const char *user,
279 const char *pass, size_t passlen,
280 const char *ntpass, size_t ntpasslen,
281 const char *workgroup)
283 uint32 capabilities = cli_session_setup_capabilities(cli);
284 DATA_BLOB lm_response = data_blob(NULL, 0);
285 DATA_BLOB nt_response = data_blob(NULL, 0);
286 DATA_BLOB session_key = data_blob(NULL, 0);
291 /* do nothing - guest login */
292 } else if (passlen != 24) {
293 if (lp_client_ntlmv2_auth()) {
294 DATA_BLOB server_chal;
295 DATA_BLOB names_blob;
296 server_chal = data_blob(cli->secblob.data, MIN(cli->secblob.length, 8));
298 /* note that the 'workgroup' here is a best guess - we don't know
299 the server's domain at this point. The 'server name' is also
302 names_blob = NTLMv2_generate_names_blob(cli->called.name, workgroup);
304 if (!SMBNTLMv2encrypt(user, workgroup, pass, &server_chal,
306 &lm_response, &nt_response, &session_key)) {
307 data_blob_free(&names_blob);
308 data_blob_free(&server_chal);
311 data_blob_free(&names_blob);
312 data_blob_free(&server_chal);
316 E_md4hash(pass, nt_hash);
319 nt_response = data_blob(NULL, 0);
321 nt_response = data_blob(NULL, 24);
322 SMBNTencrypt(pass,cli->secblob.data,nt_response.data);
324 /* non encrypted password supplied. Ignore ntpass. */
325 if (lp_client_lanman_auth()) {
326 lm_response = data_blob(NULL, 24);
327 if (!SMBencrypt(pass,cli->secblob.data, lm_response.data)) {
328 /* Oops, the LM response is invalid, just put
329 the NT response there instead */
330 data_blob_free(&lm_response);
331 lm_response = data_blob(nt_response.data, nt_response.length);
334 /* LM disabled, place NT# in LM field instead */
335 lm_response = data_blob(nt_response.data, nt_response.length);
338 session_key = data_blob(NULL, 16);
340 E_deshash(pass, session_key.data);
341 memset(&session_key.data[8], '\0', 8);
343 SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
347 cli_simple_set_signing(cli, session_key, lm_response);
349 cli_simple_set_signing(cli, session_key, nt_response);
352 /* pre-encrypted password supplied. Only used for
353 security=server, can't do
354 signing because we don't have original key */
356 lm_response = data_blob(pass, passlen);
357 nt_response = data_blob(ntpass, ntpasslen);
360 /* send a session setup command */
361 memset(cli->outbuf,'\0',smb_size);
363 set_message(cli->outbuf,13,0,True);
364 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
365 cli_setup_packet(cli);
367 SCVAL(cli->outbuf,smb_vwv0,0xFF);
368 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
369 SSVAL(cli->outbuf,smb_vwv3,2);
370 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
371 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
372 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
373 SSVAL(cli->outbuf,smb_vwv8,nt_response.length);
374 SIVAL(cli->outbuf,smb_vwv11,capabilities);
375 p = smb_buf(cli->outbuf);
376 if (lm_response.length) {
377 memcpy(p,lm_response.data, lm_response.length); p += lm_response.length;
379 if (nt_response.length) {
380 memcpy(p,nt_response.data, nt_response.length); p += nt_response.length;
382 p += clistr_push(cli, p, user, -1, STR_TERMINATE);
384 /* Upper case here might help some NTLMv2 implementations */
385 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
386 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
387 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
388 cli_setup_bcc(cli, p);
390 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
395 /* show_msg(cli->inbuf); */
397 if (cli_is_error(cli)) {
402 /* use the returned vuid from now on */
403 cli->vuid = SVAL(cli->inbuf,smb_uid);
405 p = smb_buf(cli->inbuf);
406 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
407 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
408 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
410 fstrcpy(cli->user_name, user);
412 if (session_key.data) {
413 /* Have plaintext orginal */
414 cli_set_session_key(cli, session_key);
419 data_blob_free(&lm_response);
420 data_blob_free(&nt_response);
421 data_blob_free(&session_key);
425 /****************************************************************************
426 Send a extended security session setup blob
427 ****************************************************************************/
429 static BOOL cli_session_setup_blob_send(struct cli_state *cli, DATA_BLOB blob)
431 uint32 capabilities = cli_session_setup_capabilities(cli);
434 capabilities |= CAP_EXTENDED_SECURITY;
436 /* send a session setup command */
437 memset(cli->outbuf,'\0',smb_size);
439 set_message(cli->outbuf,12,0,True);
440 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
442 cli_setup_packet(cli);
444 SCVAL(cli->outbuf,smb_vwv0,0xFF);
445 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
446 SSVAL(cli->outbuf,smb_vwv3,2);
447 SSVAL(cli->outbuf,smb_vwv4,1);
448 SIVAL(cli->outbuf,smb_vwv5,0);
449 SSVAL(cli->outbuf,smb_vwv7,blob.length);
450 SIVAL(cli->outbuf,smb_vwv10,capabilities);
451 p = smb_buf(cli->outbuf);
452 memcpy(p, blob.data, blob.length);
454 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
455 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
456 cli_setup_bcc(cli, p);
457 return cli_send_smb(cli);
460 /****************************************************************************
461 Send a extended security session setup blob, returning a reply blob.
462 ****************************************************************************/
464 static DATA_BLOB cli_session_setup_blob_receive(struct cli_state *cli)
466 DATA_BLOB blob2 = data_blob(NULL, 0);
470 if (!cli_receive_smb(cli))
473 show_msg(cli->inbuf);
475 if (cli_is_error(cli) && !NT_STATUS_EQUAL(cli_nt_error(cli),
476 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
480 /* use the returned vuid from now on */
481 cli->vuid = SVAL(cli->inbuf,smb_uid);
483 p = smb_buf(cli->inbuf);
485 blob2 = data_blob(p, SVAL(cli->inbuf, smb_vwv3));
488 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
490 /* w2k with kerberos doesn't properly null terminate this field */
491 len = smb_buflen(cli->inbuf) - PTR_DIFF(p, smb_buf(cli->inbuf));
492 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), len, 0);
499 /****************************************************************************
500 Send a extended security session setup blob, returning a reply blob.
501 ****************************************************************************/
503 static DATA_BLOB cli_session_setup_blob(struct cli_state *cli, DATA_BLOB blob)
505 DATA_BLOB blob2 = data_blob(NULL, 0);
506 if (!cli_session_setup_blob_send(cli, blob)) {
510 return cli_session_setup_blob_receive(cli);
513 /****************************************************************************
514 Use in-memory credentials cache
515 ****************************************************************************/
517 static void use_in_memory_ccache(void) {
518 setenv(KRB5_ENV_CCNAME, "MEMORY:cliconnect", 1);
521 /****************************************************************************
522 Do a spnego/kerberos encrypted session setup.
523 ****************************************************************************/
525 static ADS_STATUS cli_session_setup_kerberos(struct cli_state *cli, const char *principal, const char *workgroup)
527 DATA_BLOB blob2, negTokenTarg;
528 DATA_BLOB session_key_krb5;
529 DATA_BLOB null_blob = data_blob(NULL, 0);
532 DEBUG(2,("Doing kerberos session setup\n"));
534 /* generate the encapsulated kerberos5 ticket */
535 rc = spnego_gen_negTokenTarg(principal, 0, &negTokenTarg, &session_key_krb5, 0);
538 DEBUG(1, ("spnego_gen_negTokenTarg failed: %s\n", error_message(rc)));
539 return ADS_ERROR_KRB5(rc);
543 file_save("negTokenTarg.dat", negTokenTarg.data, negTokenTarg.length);
546 cli_simple_set_signing(cli, session_key_krb5, null_blob);
548 blob2 = cli_session_setup_blob(cli, negTokenTarg);
550 /* we don't need this blob for kerberos */
551 data_blob_free(&blob2);
553 cli_set_session_key(cli, session_key_krb5);
555 data_blob_free(&negTokenTarg);
556 data_blob_free(&session_key_krb5);
558 if (cli_is_error(cli)) {
559 if (NT_STATUS_IS_OK(cli_nt_error(cli))) {
560 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
563 return ADS_ERROR_NT(cli_nt_error(cli));
565 #endif /* HAVE_KRB5 */
568 /****************************************************************************
569 Do a spnego/NTLMSSP encrypted session setup.
570 ****************************************************************************/
572 static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli, const char *user,
573 const char *pass, const char *domain)
575 struct ntlmssp_state *ntlmssp_state;
579 DATA_BLOB blob = data_blob(NULL, 0);
580 DATA_BLOB blob_in = data_blob(NULL, 0);
581 DATA_BLOB blob_out = data_blob(NULL, 0);
583 cli_temp_set_signing(cli);
585 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_client_start(&ntlmssp_state))) {
589 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(ntlmssp_state, user))) {
592 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(ntlmssp_state, domain))) {
595 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_password(ntlmssp_state, pass))) {
600 nt_status = ntlmssp_update(ntlmssp_state,
602 data_blob_free(&blob_in);
603 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED) || NT_STATUS_IS_OK(nt_status)) {
605 /* and wrap it in a SPNEGO wrapper */
606 msg1 = gen_negTokenInit(OID_NTLMSSP, blob_out);
608 /* wrap it in SPNEGO */
609 msg1 = spnego_gen_auth(blob_out);
612 /* now send that blob on its way */
613 if (!cli_session_setup_blob_send(cli, msg1)) {
614 DEBUG(3, ("Failed to send NTLMSSP/SPNEGO blob to server!\n"));
615 nt_status = NT_STATUS_UNSUCCESSFUL;
617 data_blob_free(&msg1);
619 blob = cli_session_setup_blob_receive(cli);
621 nt_status = cli_nt_error(cli);
622 if (cli_is_error(cli) && NT_STATUS_IS_OK(nt_status)) {
623 if (cli->smb_rw_error == READ_BAD_SIG) {
624 nt_status = NT_STATUS_ACCESS_DENIED;
626 nt_status = NT_STATUS_UNSUCCESSFUL;
633 if (NT_STATUS_IS_OK(nt_status)) {
634 nt_status = NT_STATUS_UNSUCCESSFUL;
636 } else if ((turn == 1) &&
637 NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
638 DATA_BLOB tmp_blob = data_blob(NULL, 0);
639 /* the server might give us back two challenges */
640 if (!spnego_parse_challenge(blob, &blob_in,
642 DEBUG(3,("Failed to parse challenges\n"));
643 nt_status = NT_STATUS_INVALID_PARAMETER;
645 data_blob_free(&tmp_blob);
647 if (!spnego_parse_auth_response(blob, nt_status,
649 DEBUG(3,("Failed to parse auth response\n"));
650 if (NT_STATUS_IS_OK(nt_status)
651 || NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED))
652 nt_status = NT_STATUS_INVALID_PARAMETER;
655 data_blob_free(&blob);
656 data_blob_free(&blob_out);
658 } while (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED));
660 if (NT_STATUS_IS_OK(nt_status)) {
662 DATA_BLOB key = data_blob(ntlmssp_state->session_key.data,
663 ntlmssp_state->session_key.length);
664 DATA_BLOB null_blob = data_blob(NULL, 0);
667 fstrcpy(cli->server_domain, ntlmssp_state->server_domain);
668 cli_set_session_key(cli, ntlmssp_state->session_key);
670 res = cli_simple_set_signing(cli, key, null_blob);
672 data_blob_free(&key);
676 /* 'resign' the last message, so we get the right sequence numbers
677 for checking the first reply from the server */
678 cli_calculate_sign_mac(cli);
680 if (!cli_check_sign_mac(cli)) {
681 nt_status = NT_STATUS_ACCESS_DENIED;
686 /* we have a reference conter on ntlmssp_state, if we are signing
687 then the state will be kept by the signing engine */
689 ntlmssp_end(&ntlmssp_state);
694 /****************************************************************************
695 Do a spnego encrypted session setup.
696 ****************************************************************************/
698 ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
699 const char *pass, const char *domain)
702 char *OIDs[ASN1_MAX_OIDS];
705 BOOL got_kerberos_mechanism = False;
709 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli->secblob.length));
711 /* the server might not even do spnego */
712 if (cli->secblob.length <= 16) {
713 DEBUG(3,("server didn't supply a full spnego negprot\n"));
718 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
721 /* there is 16 bytes of GUID before the real spnego packet starts */
722 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
724 /* the server sent us the first part of the SPNEGO exchange in the negprot
726 if (!spnego_parse_negTokenInit(blob, OIDs, &principal)) {
727 data_blob_free(&blob);
728 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
730 data_blob_free(&blob);
732 /* make sure the server understands kerberos */
733 for (i=0;OIDs[i];i++) {
734 DEBUG(3,("got OID=%s\n", OIDs[i]));
736 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
737 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
738 got_kerberos_mechanism = True;
743 DEBUG(3,("got principal=%s\n", principal));
745 fstrcpy(cli->user_name, user);
748 /* If password is set we reauthenticate to kerberos server
749 * and do not store results */
751 if (got_kerberos_mechanism && cli->use_kerberos) {
757 use_in_memory_ccache();
758 ret = kerberos_kinit_password(user, pass, 0 /* no time correction for now */, NULL, NULL);
761 SAFE_FREE(principal);
762 DEBUG(0, ("Kinit failed: %s\n", error_message(ret)));
763 if (cli->fallback_after_kerberos)
765 return ADS_ERROR_KRB5(ret);
769 rc = cli_session_setup_kerberos(cli, principal, domain);
770 if (ADS_ERR_OK(rc) || !cli->fallback_after_kerberos) {
771 SAFE_FREE(principal);
777 SAFE_FREE(principal);
781 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli, user, pass, domain));
784 /****************************************************************************
785 Send a session setup. The username and workgroup is in UNIX character
786 format and must be converted to DOS codepage format before sending. If the
787 password is in plaintext, the same should be done.
788 ****************************************************************************/
790 BOOL cli_session_setup(struct cli_state *cli,
792 const char *pass, int passlen,
793 const char *ntpass, int ntpasslen,
794 const char *workgroup)
799 /* allow for workgroups as part of the username */
800 fstrcpy(user2, user);
801 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
802 (p=strchr_m(user2,*lp_winbind_separator()))) {
808 if (cli->protocol < PROTOCOL_LANMAN1)
811 /* now work out what sort of session setup we are going to
812 do. I have split this into separate functions to make the
813 flow a bit easier to understand (tridge) */
815 /* if its an older server then we have to use the older request format */
817 if (cli->protocol < PROTOCOL_NT1) {
818 if (!lp_client_lanman_auth() && passlen != 24 && (*pass)) {
819 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
824 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0 &&
825 !lp_client_plaintext_auth() && (*pass)) {
826 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
831 return cli_session_setup_lanman2(cli, user, pass, passlen, workgroup);
834 /* if no user is supplied then we have to do an anonymous connection.
835 passwords are ignored */
838 return cli_session_setup_guest(cli);
840 /* if the server is share level then send a plaintext null
841 password at this point. The password is sent in the tree
844 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
845 return cli_session_setup_plaintext(cli, user, "", workgroup);
847 /* if the server doesn't support encryption then we have to use
848 plaintext. The second password is ignored */
850 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0) {
851 if (!lp_client_plaintext_auth() && (*pass)) {
852 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
856 return cli_session_setup_plaintext(cli, user, pass, workgroup);
859 /* if the server supports extended security then use SPNEGO */
861 if (cli->capabilities & CAP_EXTENDED_SECURITY) {
862 ADS_STATUS status = cli_session_setup_spnego(cli, user, pass, workgroup);
863 if (!ADS_ERR_OK(status)) {
864 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status)));
870 /* otherwise do a NT1 style session setup */
872 return cli_session_setup_nt1(cli, user,
873 pass, passlen, ntpass, ntpasslen,
877 /****************************************************************************
879 *****************************************************************************/
881 BOOL cli_ulogoff(struct cli_state *cli)
883 memset(cli->outbuf,'\0',smb_size);
884 set_message(cli->outbuf,2,0,True);
885 SCVAL(cli->outbuf,smb_com,SMBulogoffX);
886 cli_setup_packet(cli);
887 SSVAL(cli->outbuf,smb_vwv0,0xFF);
888 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
891 if (!cli_receive_smb(cli))
894 if (cli_is_error(cli)) {
902 /****************************************************************************
904 ****************************************************************************/
905 BOOL cli_send_tconX(struct cli_state *cli,
906 const char *share, const char *dev, const char *pass, int passlen)
908 fstring fullshare, pword;
910 memset(cli->outbuf,'\0',smb_size);
911 memset(cli->inbuf,'\0',smb_size);
913 fstrcpy(cli->share, share);
915 /* in user level security don't send a password now */
916 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
921 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && *pass && passlen != 24) {
922 if (!lp_client_lanman_auth()) {
923 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
929 * Non-encrypted passwords - convert to DOS codepage before encryption.
932 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
934 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
935 if (!lp_client_plaintext_auth() && (*pass)) {
936 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
942 * Non-encrypted passwords - convert to DOS codepage before using.
944 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
947 memcpy(pword, pass, passlen);
951 slprintf(fullshare, sizeof(fullshare)-1,
952 "\\\\%s\\%s", cli->desthost, share);
954 set_message(cli->outbuf,4, 0, True);
955 SCVAL(cli->outbuf,smb_com,SMBtconX);
956 cli_setup_packet(cli);
958 SSVAL(cli->outbuf,smb_vwv0,0xFF);
959 SSVAL(cli->outbuf,smb_vwv3,passlen);
961 p = smb_buf(cli->outbuf);
962 memcpy(p,pword,passlen);
964 p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
965 p += clistr_push(cli, p, dev, -1, STR_TERMINATE |STR_UPPER | STR_ASCII);
967 cli_setup_bcc(cli, p);
970 if (!cli_receive_smb(cli))
973 if (cli_is_error(cli))
976 clistr_pull(cli, cli->dev, smb_buf(cli->inbuf), sizeof(fstring), -1, STR_TERMINATE|STR_ASCII);
978 if (cli->protocol >= PROTOCOL_NT1 &&
979 smb_buflen(cli->inbuf) == 3) {
980 /* almost certainly win95 - enable bug fixes */
984 /* Make sure that we have the optional support 16-bit field. WCT > 2 */
985 /* Avoids issues when connecting to Win9x boxes sharing files */
987 cli->dfsroot = False;
988 if ( (CVAL(cli->inbuf, smb_wct))>2 && cli->protocol >= PROTOCOL_LANMAN2 )
989 cli->dfsroot = (SVAL( cli->inbuf, smb_vwv2 ) & SMB_SHARE_IN_DFS) ? True : False;
991 cli->cnum = SVAL(cli->inbuf,smb_tid);
995 /****************************************************************************
996 Send a tree disconnect.
997 ****************************************************************************/
999 BOOL cli_tdis(struct cli_state *cli)
1001 memset(cli->outbuf,'\0',smb_size);
1002 set_message(cli->outbuf,0,0,True);
1003 SCVAL(cli->outbuf,smb_com,SMBtdis);
1004 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1005 cli_setup_packet(cli);
1008 if (!cli_receive_smb(cli))
1011 if (cli_is_error(cli)) {
1019 /****************************************************************************
1020 Send a negprot command.
1021 ****************************************************************************/
1023 void cli_negprot_send(struct cli_state *cli)
1028 if (cli->protocol < PROTOCOL_NT1)
1029 cli->use_spnego = False;
1031 memset(cli->outbuf,'\0',smb_size);
1033 /* setup the protocol strings */
1034 set_message(cli->outbuf,0,0,True);
1036 p = smb_buf(cli->outbuf);
1038 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1041 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1044 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1045 cli_setup_bcc(cli, p);
1046 cli_setup_packet(cli);
1048 SCVAL(smb_buf(cli->outbuf),0,2);
1053 /****************************************************************************
1054 Send a negprot command.
1055 ****************************************************************************/
1057 BOOL cli_negprot(struct cli_state *cli)
1063 if (cli->protocol < PROTOCOL_NT1)
1064 cli->use_spnego = False;
1066 memset(cli->outbuf,'\0',smb_size);
1068 /* setup the protocol strings */
1069 for (plength=0,numprots=0;
1070 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1072 plength += strlen(prots[numprots].name)+2;
1074 set_message(cli->outbuf,0,plength,True);
1076 p = smb_buf(cli->outbuf);
1078 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1081 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1084 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1085 cli_setup_packet(cli);
1087 SCVAL(smb_buf(cli->outbuf),0,2);
1090 if (!cli_receive_smb(cli))
1093 show_msg(cli->inbuf);
1095 if (cli_is_error(cli) ||
1096 ((int)SVAL(cli->inbuf,smb_vwv0) >= numprots)) {
1100 cli->protocol = prots[SVAL(cli->inbuf,smb_vwv0)].prot;
1102 if ((cli->protocol < PROTOCOL_NT1) && cli->sign_info.mandatory_signing) {
1103 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1107 if (cli->protocol >= PROTOCOL_NT1) {
1109 cli->sec_mode = CVAL(cli->inbuf,smb_vwv1);
1110 cli->max_mux = SVAL(cli->inbuf, smb_vwv1+1);
1111 cli->max_xmit = IVAL(cli->inbuf,smb_vwv3+1);
1112 cli->sesskey = IVAL(cli->inbuf,smb_vwv7+1);
1113 cli->serverzone = SVALS(cli->inbuf,smb_vwv15+1);
1114 cli->serverzone *= 60;
1115 /* this time arrives in real GMT */
1116 cli->servertime = interpret_long_date(cli->inbuf+smb_vwv11+1);
1117 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1118 cli->capabilities = IVAL(cli->inbuf,smb_vwv9+1);
1119 if (cli->capabilities & CAP_RAW_MODE) {
1120 cli->readbraw_supported = True;
1121 cli->writebraw_supported = True;
1123 /* work out if they sent us a workgroup */
1124 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
1125 smb_buflen(cli->inbuf) > 8) {
1126 clistr_pull(cli, cli->server_domain,
1127 smb_buf(cli->inbuf)+8, sizeof(cli->server_domain),
1128 smb_buflen(cli->inbuf)-8, STR_UNICODE|STR_NOALIGN);
1132 * As signing is slow we only turn it on if either the client or
1133 * the server require it. JRA.
1136 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
1137 /* Fail if server says signing is mandatory and we don't want to support it. */
1138 if (!cli->sign_info.allow_smb_signing) {
1139 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1142 cli->sign_info.negotiated_smb_signing = True;
1143 cli->sign_info.mandatory_signing = True;
1144 } else if (cli->sign_info.mandatory_signing && cli->sign_info.allow_smb_signing) {
1145 /* Fail if client says signing is mandatory and the server doesn't support it. */
1146 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
1147 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1150 cli->sign_info.negotiated_smb_signing = True;
1151 cli->sign_info.mandatory_signing = True;
1152 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
1153 cli->sign_info.negotiated_smb_signing = True;
1156 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
1157 SAFE_FREE(cli->outbuf);
1158 SAFE_FREE(cli->inbuf);
1159 cli->outbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1160 cli->inbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1161 cli->bufsize = CLI_MAX_LARGE_READX_SIZE;
1164 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
1165 cli->use_spnego = False;
1166 cli->sec_mode = SVAL(cli->inbuf,smb_vwv1);
1167 cli->max_xmit = SVAL(cli->inbuf,smb_vwv2);
1168 cli->max_mux = SVAL(cli->inbuf, smb_vwv3);
1169 cli->sesskey = IVAL(cli->inbuf,smb_vwv6);
1170 cli->serverzone = SVALS(cli->inbuf,smb_vwv10);
1171 cli->serverzone *= 60;
1172 /* this time is converted to GMT by make_unix_date */
1173 cli->servertime = make_unix_date(cli->inbuf+smb_vwv8);
1174 cli->readbraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x1) != 0);
1175 cli->writebraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x2) != 0);
1176 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1178 /* the old core protocol */
1179 cli->use_spnego = False;
1181 cli->serverzone = TimeDiff(time(NULL));
1184 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
1186 /* a way to force ascii SMB */
1187 if (getenv("CLI_FORCE_ASCII"))
1188 cli->capabilities &= ~CAP_UNICODE;
1193 /****************************************************************************
1194 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1195 ****************************************************************************/
1197 BOOL cli_session_request(struct cli_state *cli,
1198 struct nmb_name *calling, struct nmb_name *called)
1203 memcpy(&(cli->calling), calling, sizeof(*calling));
1204 memcpy(&(cli->called ), called , sizeof(*called ));
1206 /* put in the destination name */
1207 p = cli->outbuf+len;
1208 name_mangle(cli->called .name, p, cli->called .name_type);
1212 p = cli->outbuf+len;
1213 name_mangle(cli->calling.name, p, cli->calling.name_type);
1216 /* 445 doesn't have session request */
1217 if (cli->port == 445)
1220 /* send a session request (RFC 1002) */
1221 /* setup the packet length
1222 * Remove four bytes from the length count, since the length
1223 * field in the NBT Session Service header counts the number
1224 * of bytes which follow. The cli_send_smb() function knows
1225 * about this and accounts for those four bytes.
1229 _smb_setlen(cli->outbuf,len);
1230 SCVAL(cli->outbuf,0,0x81);
1233 DEBUG(5,("Sent session request\n"));
1235 if (!cli_receive_smb(cli))
1238 if (CVAL(cli->inbuf,0) == 0x84) {
1239 /* C. Hoch 9/14/95 Start */
1240 /* For information, here is the response structure.
1241 * We do the byte-twiddling to for portability.
1242 struct RetargetResponse{
1244 unsigned char flags;
1250 int port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
1251 /* SESSION RETARGET */
1252 putip((char *)&cli->dest_ip,cli->inbuf+4);
1254 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip, port, LONG_CONNECT_TIMEOUT);
1258 DEBUG(3,("Retargeted\n"));
1260 set_socket_options(cli->fd,user_socket_options);
1267 DEBUG(0,("Retarget recursion - failing\n"));
1271 ret = cli_session_request(cli, calling, called);
1275 } /* C. Hoch 9/14/95 End */
1277 if (CVAL(cli->inbuf,0) != 0x82) {
1278 /* This is the wrong place to put the error... JRA. */
1279 cli->rap_error = CVAL(cli->inbuf,4);
1285 /****************************************************************************
1286 Open the client sockets.
1287 ****************************************************************************/
1289 BOOL cli_connect(struct cli_state *cli, const char *host, struct in_addr *ip)
1291 int name_type = 0x20;
1294 /* reasonable default hostname */
1295 if (!host) host = "*SMBSERVER";
1297 fstrcpy(cli->desthost, host);
1299 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1300 if ((p = strchr(cli->desthost, '#'))) {
1301 name_type = strtol(p+1, NULL, 16);
1305 if (!ip || is_zero_ip(*ip)) {
1306 if (!resolve_name(cli->desthost, &cli->dest_ip, name_type)) {
1309 if (ip) *ip = cli->dest_ip;
1314 if (getenv("LIBSMB_PROG")) {
1315 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
1317 /* try 445 first, then 139 */
1318 int port = cli->port?cli->port:445;
1319 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1320 port, cli->timeout);
1321 if (cli->fd == -1 && cli->port == 0) {
1323 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1324 port, cli->timeout);
1329 if (cli->fd == -1) {
1330 DEBUG(1,("Error connecting to %s (%s)\n",
1331 ip?inet_ntoa(*ip):host,strerror(errno)));
1335 set_socket_options(cli->fd,user_socket_options);
1341 establishes a connection to after the negprot.
1342 @param output_cli A fully initialised cli structure, non-null only on success
1343 @param dest_host The netbios name of the remote host
1344 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1345 @param port (optional) The destination port (0 for default)
1346 @param retry BOOL. Did this connection fail with a retryable error ?
1349 NTSTATUS cli_start_connection(struct cli_state **output_cli,
1350 const char *my_name,
1351 const char *dest_host,
1352 struct in_addr *dest_ip, int port,
1353 int signing_state, int flags,
1357 struct nmb_name calling;
1358 struct nmb_name called;
1359 struct cli_state *cli;
1366 my_name = global_myname();
1368 if (!(cli = cli_initialise(NULL)))
1369 return NT_STATUS_NO_MEMORY;
1371 make_nmb_name(&calling, my_name, 0x0);
1372 make_nmb_name(&called , dest_host, 0x20);
1374 if (cli_set_port(cli, port) != port) {
1376 return NT_STATUS_UNSUCCESSFUL;
1379 cli_set_timeout(cli, 10000); /* 10 seconds. */
1388 DEBUG(3,("Connecting to host=%s\n", dest_host));
1390 if (!cli_connect(cli, dest_host, &ip)) {
1391 DEBUG(1,("cli_full_connection: failed to connect to %s (%s)\n",
1392 nmb_namestr(&called), inet_ntoa(ip)));
1394 return NT_STATUS_UNSUCCESSFUL;
1400 if (!cli_session_request(cli, &calling, &called)) {
1402 DEBUG(1,("session request to %s failed (%s)\n",
1403 called.name, cli_errstr(cli)));
1404 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
1408 if (strcmp(called.name, "*SMBSERVER")) {
1409 make_nmb_name(&called , "*SMBSERVER", 0x20);
1412 return NT_STATUS_UNSUCCESSFUL;
1415 cli_setup_signing_state(cli, signing_state);
1417 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
1418 cli->use_spnego = False;
1419 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
1420 cli->use_kerberos = True;
1422 if (!cli_negprot(cli)) {
1423 DEBUG(1,("failed negprot\n"));
1424 nt_status = NT_STATUS_UNSUCCESSFUL;
1430 return NT_STATUS_OK;
1435 establishes a connection right up to doing tconX, password specified.
1436 @param output_cli A fully initialised cli structure, non-null only on success
1437 @param dest_host The netbios name of the remote host
1438 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1439 @param port (optional) The destination port (0 for default)
1440 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1441 @param service_type The 'type' of serivice.
1442 @param user Username, unix string
1443 @param domain User's domain
1444 @param password User's password, unencrypted unix string.
1445 @param retry BOOL. Did this connection fail with a retryable error ?
1448 NTSTATUS cli_full_connection(struct cli_state **output_cli,
1449 const char *my_name,
1450 const char *dest_host,
1451 struct in_addr *dest_ip, int port,
1452 const char *service, const char *service_type,
1453 const char *user, const char *domain,
1454 const char *password, int flags,
1459 struct cli_state *cli = NULL;
1461 nt_status = cli_start_connection(&cli, my_name, dest_host,
1462 dest_ip, port, signing_state, flags, retry);
1464 if (!NT_STATUS_IS_OK(nt_status)) {
1468 if (!cli_session_setup(cli, user, password, strlen(password)+1,
1469 password, strlen(password)+1,
1471 if ((flags & CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK)
1472 && cli_session_setup(cli, "", "", 0, "", 0, domain)) {
1474 nt_status = cli_nt_error(cli);
1475 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status)));
1477 if (NT_STATUS_IS_OK(nt_status))
1478 nt_status = NT_STATUS_UNSUCCESSFUL;
1484 if (!cli_send_tconX(cli, service, service_type,
1485 password, strlen(password)+1)) {
1486 nt_status = cli_nt_error(cli);
1487 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
1489 if (NT_STATUS_IS_OK(nt_status)) {
1490 nt_status = NT_STATUS_UNSUCCESSFUL;
1496 cli_init_creds(cli, user, domain, password);
1499 return NT_STATUS_OK;
1502 /****************************************************************************
1503 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1504 ****************************************************************************/
1506 BOOL attempt_netbios_session_request(struct cli_state *cli, const char *srchost, const char *desthost,
1507 struct in_addr *pdest_ip)
1509 struct nmb_name calling, called;
1511 make_nmb_name(&calling, srchost, 0x0);
1514 * If the called name is an IP address
1515 * then use *SMBSERVER immediately.
1518 if(is_ipaddress(desthost))
1519 make_nmb_name(&called, "*SMBSERVER", 0x20);
1521 make_nmb_name(&called, desthost, 0x20);
1523 if (!cli_session_request(cli, &calling, &called)) {
1524 struct nmb_name smbservername;
1526 make_nmb_name(&smbservername , "*SMBSERVER", 0x20);
1529 * If the name wasn't *SMBSERVER then
1530 * try with *SMBSERVER if the first name fails.
1533 if (nmb_name_equal(&called, &smbservername)) {
1536 * The name used was *SMBSERVER, don't bother with another name.
1539 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1540 with error %s.\n", desthost, cli_errstr(cli) ));
1545 * We need to close the connection here but can't call cli_shutdown as
1546 * will free an allocated cli struct. cli_close_connection was invented
1547 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1550 cli_close_connection(cli);
1552 if (!cli_initialise(cli) ||
1553 !cli_connect(cli, desthost, pdest_ip) ||
1554 !cli_session_request(cli, &calling, &smbservername)) {
1555 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1556 name *SMBSERVER with error %s\n", desthost, cli_errstr(cli) ));
1568 /****************************************************************************
1569 Send an old style tcon.
1570 ****************************************************************************/
1571 NTSTATUS cli_raw_tcon(struct cli_state *cli,
1572 const char *service, const char *pass, const char *dev,
1573 uint16 *max_xmit, uint16 *tid)
1577 if (!lp_client_plaintext_auth() && (*pass)) {
1578 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1580 return NT_STATUS_ACCESS_DENIED;
1583 memset(cli->outbuf,'\0',smb_size);
1584 memset(cli->inbuf,'\0',smb_size);
1586 set_message(cli->outbuf, 0, 0, True);
1587 SCVAL(cli->outbuf,smb_com,SMBtcon);
1588 cli_setup_packet(cli);
1590 p = smb_buf(cli->outbuf);
1591 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
1592 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
1593 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
1595 cli_setup_bcc(cli, p);
1598 if (!cli_receive_smb(cli)) {
1599 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1602 if (cli_is_error(cli)) {
1603 return cli_nt_error(cli);
1606 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
1607 *tid = SVAL(cli->inbuf, smb_vwv1);
1609 return NT_STATUS_OK;
1612 /* Return a cli_state pointing at the IPC$ share for the given server */
1614 struct cli_state *get_ipc_connect(char *server, struct in_addr *server_ip,
1615 struct user_auth_info *user_info)
1617 struct cli_state *cli;
1623 nt_status = cli_full_connection(&cli, myname, server, server_ip, 0, "IPC$", "IPC",
1624 user_info->username, lp_workgroup(), user_info->password,
1625 CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK, Undefined, NULL);
1627 if (NT_STATUS_IS_OK(nt_status)) {
1629 } else if (is_ipaddress(server)) {
1630 /* windows 9* needs a correct NMB name for connections */
1631 fstring remote_name;
1633 if (name_status_find("*", 0, 0, *server_ip, remote_name)) {
1634 cli = get_ipc_connect(remote_name, server_ip, user_info);
1643 * Given the IP address of a master browser on the network, return its
1644 * workgroup and connect to it.
1646 * This function is provided to allow additional processing beyond what
1647 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1648 * browsers and obtain each master browsers' list of domains (in case the
1649 * first master browser is recently on the network and has not yet
1650 * synchronized with other master browsers and therefore does not yet have the
1651 * entire network browse list)
1654 struct cli_state *get_ipc_connect_master_ip(struct ip_service * mb_ip, pstring workgroup, struct user_auth_info *user_info)
1656 static fstring name;
1657 struct cli_state *cli;
1658 struct in_addr server_ip;
1660 DEBUG(99, ("Looking up name of master browser %s\n",
1661 inet_ntoa(mb_ip->ip)));
1664 * Do a name status query to find out the name of the master browser.
1665 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1666 * master browser will not respond to a wildcard query (or, at least,
1667 * an NT4 server acting as the domain master browser will not).
1669 * We might be able to use ONLY the query on MSBROWSE, but that's not
1670 * yet been tested with all Windows versions, so until it is, leave
1671 * the original wildcard query as the first choice and fall back to
1672 * MSBROWSE if the wildcard query fails.
1674 if (!name_status_find("*", 0, 0x1d, mb_ip->ip, name) &&
1675 !name_status_find(MSBROWSE, 1, 0x1d, mb_ip->ip, name)) {
1677 DEBUG(99, ("Could not retrieve name status for %s\n",
1678 inet_ntoa(mb_ip->ip)));
1682 if (!find_master_ip(name, &server_ip)) {
1683 DEBUG(99, ("Could not find master ip for %s\n", name));
1687 pstrcpy(workgroup, name);
1689 DEBUG(4, ("found master browser %s, %s\n",
1690 name, inet_ntoa(mb_ip->ip)));
1692 cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info);
1699 * Return the IP address and workgroup of a master browser on the network, and
1703 struct cli_state *get_ipc_connect_master_ip_bcast(pstring workgroup, struct user_auth_info *user_info)
1705 struct ip_service *ip_list;
1706 struct cli_state *cli;
1709 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1711 /* Go looking for workgroups by broadcasting on the local network */
1713 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
1714 DEBUG(99, ("No master browsers responded\n"));
1718 for (i = 0; i < count; i++) {
1719 DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip)));
1721 cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, user_info);