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.
31 {PROTOCOL_CORE,"PC NETWORK PROGRAM 1.0"},
32 {PROTOCOL_COREPLUS,"MICROSOFT NETWORKS 1.03"},
33 {PROTOCOL_LANMAN1,"MICROSOFT NETWORKS 3.0"},
34 {PROTOCOL_LANMAN1,"LANMAN1.0"},
35 {PROTOCOL_LANMAN2,"LM1.2X002"},
36 {PROTOCOL_LANMAN2,"DOS LANMAN2.1"},
37 {PROTOCOL_LANMAN2,"Samba"},
38 {PROTOCOL_NT1,"NT LANMAN 1.0"},
39 {PROTOCOL_NT1,"NT LM 0.12"},
44 * Set the user session key for a connection
45 * @param cli The cli structure to add it too
46 * @param session_key The session key used. (A copy of this is taken for the cli struct)
50 static void cli_set_session_key (struct cli_state *cli, const DATA_BLOB session_key)
52 cli->user_session_key = data_blob(session_key.data, session_key.length);
55 /****************************************************************************
56 Do an old lanman2 style session setup.
57 ****************************************************************************/
59 static BOOL cli_session_setup_lanman2(struct cli_state *cli, const char *user,
60 const char *pass, size_t passlen, const char *workgroup)
62 DATA_BLOB session_key = data_blob(NULL, 0);
63 DATA_BLOB lm_response = data_blob(NULL, 0);
67 if (passlen > sizeof(pword)-1)
70 /* LANMAN servers predate NT status codes and Unicode and ignore those
71 smb flags so we must disable the corresponding default capabilities
72 that would otherwise cause the Unicode and NT Status flags to be
73 set (and even returned by the server) */
75 cli->capabilities &= ~(CAP_UNICODE | CAP_STATUS32);
77 /* if in share level security then don't send a password now */
78 if (!(cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL))
81 if (passlen > 0 && (cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen != 24) {
82 /* Encrypted mode needed, and non encrypted password supplied. */
83 lm_response = data_blob(NULL, 24);
84 if (!SMBencrypt(pass, cli->secblob.data,(uchar *)lm_response.data)) {
85 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
88 } else if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen == 24) {
89 /* Encrypted mode needed, and encrypted password supplied. */
90 lm_response = data_blob(pass, passlen);
91 } else if (passlen > 0) {
92 /* Plaintext mode needed, assume plaintext supplied. */
93 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
94 lm_response = data_blob(pass, passlen);
97 /* send a session setup command */
98 memset(cli->outbuf,'\0',smb_size);
99 set_message(cli->outbuf,10, 0, True);
100 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
101 cli_setup_packet(cli);
103 SCVAL(cli->outbuf,smb_vwv0,0xFF);
104 SSVAL(cli->outbuf,smb_vwv2,cli->max_xmit);
105 SSVAL(cli->outbuf,smb_vwv3,2);
106 SSVAL(cli->outbuf,smb_vwv4,1);
107 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
108 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
110 p = smb_buf(cli->outbuf);
111 memcpy(p,lm_response.data,lm_response.length);
112 p += lm_response.length;
113 p += clistr_push(cli, p, user, -1, STR_TERMINATE|STR_UPPER);
114 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
115 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
116 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
117 cli_setup_bcc(cli, p);
120 if (!cli_receive_smb(cli))
123 show_msg(cli->inbuf);
125 if (cli_is_error(cli))
128 /* use the returned vuid from now on */
129 cli->vuid = SVAL(cli->inbuf,smb_uid);
130 fstrcpy(cli->user_name, user);
132 if (session_key.data) {
133 /* Have plaintext orginal */
134 cli_set_session_key(cli, session_key);
140 /****************************************************************************
141 Work out suitable capabilities to offer the server.
142 ****************************************************************************/
144 static uint32 cli_session_setup_capabilities(struct cli_state *cli)
146 uint32 capabilities = CAP_NT_SMBS;
148 if (!cli->force_dos_errors)
149 capabilities |= CAP_STATUS32;
151 if (cli->use_level_II_oplocks)
152 capabilities |= CAP_LEVEL_II_OPLOCKS;
154 capabilities |= (cli->capabilities & (CAP_UNICODE|CAP_LARGE_FILES|CAP_LARGE_READX|CAP_LARGE_WRITEX|CAP_DFS));
158 /****************************************************************************
159 Do a NT1 guest session setup.
160 ****************************************************************************/
162 static BOOL cli_session_setup_guest(struct cli_state *cli)
165 uint32 capabilities = cli_session_setup_capabilities(cli);
167 set_message(cli->outbuf,13,0,True);
168 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
169 cli_setup_packet(cli);
171 SCVAL(cli->outbuf,smb_vwv0,0xFF);
172 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
173 SSVAL(cli->outbuf,smb_vwv3,2);
174 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
175 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
176 SSVAL(cli->outbuf,smb_vwv7,0);
177 SSVAL(cli->outbuf,smb_vwv8,0);
178 SIVAL(cli->outbuf,smb_vwv11,capabilities);
179 p = smb_buf(cli->outbuf);
180 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* username */
181 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* workgroup */
182 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
183 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
184 cli_setup_bcc(cli, p);
187 if (!cli_receive_smb(cli))
190 show_msg(cli->inbuf);
192 if (cli_is_error(cli))
195 cli->vuid = SVAL(cli->inbuf,smb_uid);
197 p = smb_buf(cli->inbuf);
198 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
199 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
200 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
202 fstrcpy(cli->user_name, "");
207 /****************************************************************************
208 Do a NT1 plaintext session setup.
209 ****************************************************************************/
211 static BOOL cli_session_setup_plaintext(struct cli_state *cli, const char *user,
212 const char *pass, const char *workgroup)
214 uint32 capabilities = cli_session_setup_capabilities(cli);
218 fstr_sprintf( lanman, "Samba %s", SAMBA_VERSION_STRING);
220 set_message(cli->outbuf,13,0,True);
221 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
222 cli_setup_packet(cli);
224 SCVAL(cli->outbuf,smb_vwv0,0xFF);
225 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
226 SSVAL(cli->outbuf,smb_vwv3,2);
227 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
228 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
229 SSVAL(cli->outbuf,smb_vwv8,0);
230 SIVAL(cli->outbuf,smb_vwv11,capabilities);
231 p = smb_buf(cli->outbuf);
233 /* check wether to send the ASCII or UNICODE version of the password */
235 if ( (capabilities & CAP_UNICODE) == 0 ) {
236 p += clistr_push(cli, p, pass, -1, STR_TERMINATE); /* password */
237 SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
240 p += clistr_push(cli, p, pass, -1, STR_UNICODE|STR_TERMINATE); /* unicode password */
241 SSVAL(cli->outbuf,smb_vwv8,PTR_DIFF(p, smb_buf(cli->outbuf)));
244 p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
245 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
246 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
247 p += clistr_push(cli, p, lanman, -1, STR_TERMINATE);
248 cli_setup_bcc(cli, p);
251 if (!cli_receive_smb(cli))
254 show_msg(cli->inbuf);
256 if (cli_is_error(cli))
259 cli->vuid = SVAL(cli->inbuf,smb_uid);
260 p = smb_buf(cli->inbuf);
261 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
262 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
263 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
264 fstrcpy(cli->user_name, user);
269 /****************************************************************************
270 do a NT1 NTLM/LM encrypted session setup - for when extended security
272 @param cli client state to create do session setup on
274 @param pass *either* cleartext password (passlen !=24) or LM response.
275 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
276 @param workgroup The user's domain.
277 ****************************************************************************/
279 static BOOL cli_session_setup_nt1(struct cli_state *cli, const char *user,
280 const char *pass, size_t passlen,
281 const char *ntpass, size_t ntpasslen,
282 const char *workgroup)
284 uint32 capabilities = cli_session_setup_capabilities(cli);
285 DATA_BLOB lm_response = data_blob(NULL, 0);
286 DATA_BLOB nt_response = data_blob(NULL, 0);
287 DATA_BLOB session_key = data_blob(NULL, 0);
292 /* do nothing - guest login */
293 } else if (passlen != 24) {
294 if (lp_client_ntlmv2_auth()) {
295 DATA_BLOB server_chal;
296 DATA_BLOB names_blob;
297 server_chal = data_blob(cli->secblob.data, MIN(cli->secblob.length, 8));
299 /* note that the 'workgroup' here is a best guess - we don't know
300 the server's domain at this point. The 'server name' is also
303 names_blob = NTLMv2_generate_names_blob(cli->called.name, workgroup);
305 if (!SMBNTLMv2encrypt(user, workgroup, pass, &server_chal,
307 &lm_response, &nt_response, &session_key)) {
308 data_blob_free(&names_blob);
309 data_blob_free(&server_chal);
312 data_blob_free(&names_blob);
313 data_blob_free(&server_chal);
317 E_md4hash(pass, nt_hash);
320 nt_response = data_blob(NULL, 0);
322 nt_response = data_blob(NULL, 24);
323 SMBNTencrypt(pass,cli->secblob.data,nt_response.data);
325 /* non encrypted password supplied. Ignore ntpass. */
326 if (lp_client_lanman_auth()) {
327 lm_response = data_blob(NULL, 24);
328 if (!SMBencrypt(pass,cli->secblob.data, lm_response.data)) {
329 /* Oops, the LM response is invalid, just put
330 the NT response there instead */
331 data_blob_free(&lm_response);
332 lm_response = data_blob(nt_response.data, nt_response.length);
335 /* LM disabled, place NT# in LM field instead */
336 lm_response = data_blob(nt_response.data, nt_response.length);
339 session_key = data_blob(NULL, 16);
341 E_deshash(pass, session_key.data);
342 memset(&session_key.data[8], '\0', 8);
344 SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
348 cli_simple_set_signing(cli, session_key, lm_response);
350 cli_simple_set_signing(cli, session_key, nt_response);
353 /* pre-encrypted password supplied. Only used for
354 security=server, can't do
355 signing because we don't have original key */
357 lm_response = data_blob(pass, passlen);
358 nt_response = data_blob(ntpass, ntpasslen);
361 /* send a session setup command */
362 memset(cli->outbuf,'\0',smb_size);
364 set_message(cli->outbuf,13,0,True);
365 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
366 cli_setup_packet(cli);
368 SCVAL(cli->outbuf,smb_vwv0,0xFF);
369 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
370 SSVAL(cli->outbuf,smb_vwv3,2);
371 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
372 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
373 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
374 SSVAL(cli->outbuf,smb_vwv8,nt_response.length);
375 SIVAL(cli->outbuf,smb_vwv11,capabilities);
376 p = smb_buf(cli->outbuf);
377 if (lm_response.length) {
378 memcpy(p,lm_response.data, lm_response.length); p += lm_response.length;
380 if (nt_response.length) {
381 memcpy(p,nt_response.data, nt_response.length); p += nt_response.length;
383 p += clistr_push(cli, p, user, -1, STR_TERMINATE);
385 /* Upper case here might help some NTLMv2 implementations */
386 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
387 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
388 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
389 cli_setup_bcc(cli, p);
391 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
396 /* show_msg(cli->inbuf); */
398 if (cli_is_error(cli)) {
403 /* use the returned vuid from now on */
404 cli->vuid = SVAL(cli->inbuf,smb_uid);
406 p = smb_buf(cli->inbuf);
407 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
408 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
409 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
411 fstrcpy(cli->user_name, user);
413 if (session_key.data) {
414 /* Have plaintext orginal */
415 cli_set_session_key(cli, session_key);
420 data_blob_free(&lm_response);
421 data_blob_free(&nt_response);
422 data_blob_free(&session_key);
426 /****************************************************************************
427 Send a extended security session setup blob
428 ****************************************************************************/
430 static BOOL cli_session_setup_blob_send(struct cli_state *cli, DATA_BLOB blob)
432 uint32 capabilities = cli_session_setup_capabilities(cli);
435 capabilities |= CAP_EXTENDED_SECURITY;
437 /* send a session setup command */
438 memset(cli->outbuf,'\0',smb_size);
440 set_message(cli->outbuf,12,0,True);
441 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
443 cli_setup_packet(cli);
445 SCVAL(cli->outbuf,smb_vwv0,0xFF);
446 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
447 SSVAL(cli->outbuf,smb_vwv3,2);
448 SSVAL(cli->outbuf,smb_vwv4,1);
449 SIVAL(cli->outbuf,smb_vwv5,0);
450 SSVAL(cli->outbuf,smb_vwv7,blob.length);
451 SIVAL(cli->outbuf,smb_vwv10,capabilities);
452 p = smb_buf(cli->outbuf);
453 memcpy(p, blob.data, blob.length);
455 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
456 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
457 cli_setup_bcc(cli, p);
458 return cli_send_smb(cli);
461 /****************************************************************************
462 Send a extended security session setup blob, returning a reply blob.
463 ****************************************************************************/
465 static DATA_BLOB cli_session_setup_blob_receive(struct cli_state *cli)
467 DATA_BLOB blob2 = data_blob(NULL, 0);
471 if (!cli_receive_smb(cli))
474 show_msg(cli->inbuf);
476 if (cli_is_error(cli) && !NT_STATUS_EQUAL(cli_nt_error(cli),
477 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
481 /* use the returned vuid from now on */
482 cli->vuid = SVAL(cli->inbuf,smb_uid);
484 p = smb_buf(cli->inbuf);
486 blob2 = data_blob(p, SVAL(cli->inbuf, smb_vwv3));
489 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
491 /* w2k with kerberos doesn't properly null terminate this field */
492 len = smb_buflen(cli->inbuf) - PTR_DIFF(p, smb_buf(cli->inbuf));
493 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), len, 0);
500 /****************************************************************************
501 Send a extended security session setup blob, returning a reply blob.
502 ****************************************************************************/
504 static DATA_BLOB cli_session_setup_blob(struct cli_state *cli, DATA_BLOB blob)
506 DATA_BLOB blob2 = data_blob(NULL, 0);
507 if (!cli_session_setup_blob_send(cli, blob)) {
511 return cli_session_setup_blob_receive(cli);
514 /****************************************************************************
515 Use in-memory credentials cache
516 ****************************************************************************/
518 static void use_in_memory_ccache(void) {
519 setenv(KRB5_ENV_CCNAME, "MEMORY:cliconnect", 1);
522 /****************************************************************************
523 Do a spnego/kerberos encrypted session setup.
524 ****************************************************************************/
526 static ADS_STATUS cli_session_setup_kerberos(struct cli_state *cli, const char *principal, const char *workgroup)
528 DATA_BLOB blob2, negTokenTarg;
529 DATA_BLOB session_key_krb5;
530 DATA_BLOB null_blob = data_blob(NULL, 0);
533 DEBUG(2,("Doing kerberos session setup\n"));
535 /* generate the encapsulated kerberos5 ticket */
536 rc = spnego_gen_negTokenTarg(principal, 0, &negTokenTarg, &session_key_krb5);
539 DEBUG(1, ("spnego_gen_negTokenTarg failed: %s\n", error_message(rc)));
540 return ADS_ERROR_KRB5(rc);
544 file_save("negTokenTarg.dat", negTokenTarg.data, negTokenTarg.length);
547 cli_simple_set_signing(cli, session_key_krb5, null_blob);
549 blob2 = cli_session_setup_blob(cli, negTokenTarg);
551 /* we don't need this blob for kerberos */
552 data_blob_free(&blob2);
554 cli_set_session_key(cli, session_key_krb5);
556 data_blob_free(&negTokenTarg);
557 data_blob_free(&session_key_krb5);
559 if (cli_is_error(cli)) {
560 if (NT_STATUS_IS_OK(cli_nt_error(cli))) {
561 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
564 return ADS_ERROR_NT(cli_nt_error(cli));
566 #endif /* HAVE_KRB5 */
569 /****************************************************************************
570 Do a spnego/NTLMSSP encrypted session setup.
571 ****************************************************************************/
573 static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli, const char *user,
574 const char *pass, const char *domain)
576 struct ntlmssp_state *ntlmssp_state;
580 DATA_BLOB blob = data_blob(NULL, 0);
581 DATA_BLOB blob_in = data_blob(NULL, 0);
582 DATA_BLOB blob_out = data_blob(NULL, 0);
584 cli_temp_set_signing(cli);
586 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_client_start(&ntlmssp_state))) {
590 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(ntlmssp_state, user))) {
593 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(ntlmssp_state, domain))) {
596 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_password(ntlmssp_state, pass))) {
601 nt_status = ntlmssp_update(ntlmssp_state,
603 data_blob_free(&blob_in);
604 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
606 /* and wrap it in a SPNEGO wrapper */
607 msg1 = gen_negTokenInit(OID_NTLMSSP, blob_out);
609 /* wrap it in SPNEGO */
610 msg1 = spnego_gen_auth(blob_out);
613 /* now send that blob on its way */
614 if (!cli_session_setup_blob_send(cli, msg1)) {
615 DEBUG(3, ("Failed to send NTLMSSP/SPNEGO blob to server!\n"));
616 nt_status = NT_STATUS_UNSUCCESSFUL;
618 data_blob_free(&msg1);
620 blob = cli_session_setup_blob_receive(cli);
622 nt_status = cli_nt_error(cli);
623 if (cli_is_error(cli) && NT_STATUS_IS_OK(nt_status)) {
624 if (cli->smb_rw_error == READ_BAD_SIG) {
625 nt_status = NT_STATUS_ACCESS_DENIED;
627 nt_status = NT_STATUS_UNSUCCESSFUL;
634 if (NT_STATUS_IS_OK(nt_status)) {
635 nt_status = NT_STATUS_UNSUCCESSFUL;
637 } else if ((turn == 1) &&
638 NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
639 DATA_BLOB tmp_blob = data_blob(NULL, 0);
640 /* the server might give us back two challenges */
641 if (!spnego_parse_challenge(blob, &blob_in,
643 DEBUG(3,("Failed to parse challenges\n"));
644 nt_status = NT_STATUS_INVALID_PARAMETER;
646 data_blob_free(&tmp_blob);
648 if (!spnego_parse_auth_response(blob, nt_status,
650 DEBUG(3,("Failed to parse auth response\n"));
651 if (NT_STATUS_IS_OK(nt_status)
652 || NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED))
653 nt_status = NT_STATUS_INVALID_PARAMETER;
656 data_blob_free(&blob);
657 data_blob_free(&blob_out);
659 } while (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED));
661 if (NT_STATUS_IS_OK(nt_status)) {
663 DATA_BLOB key = data_blob(ntlmssp_state->session_key.data,
664 ntlmssp_state->session_key.length);
665 DATA_BLOB null_blob = data_blob(NULL, 0);
668 fstrcpy(cli->server_domain, ntlmssp_state->server_domain);
669 cli_set_session_key(cli, ntlmssp_state->session_key);
671 res = cli_simple_set_signing(cli, key, null_blob);
673 data_blob_free(&key);
677 /* 'resign' the last message, so we get the right sequence numbers
678 for checking the first reply from the server */
679 cli_calculate_sign_mac(cli);
681 if (!cli_check_sign_mac(cli)) {
682 nt_status = NT_STATUS_ACCESS_DENIED;
687 /* we have a reference conter on ntlmssp_state, if we are signing
688 then the state will be kept by the signing engine */
690 ntlmssp_end(&ntlmssp_state);
695 /****************************************************************************
696 Do a spnego encrypted session setup.
697 ****************************************************************************/
699 ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
700 const char *pass, const char *domain)
703 char *OIDs[ASN1_MAX_OIDS];
706 BOOL got_kerberos_mechanism = False;
710 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli->secblob.length));
712 /* the server might not even do spnego */
713 if (cli->secblob.length <= 16) {
714 DEBUG(3,("server didn't supply a full spnego negprot\n"));
719 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
722 /* there is 16 bytes of GUID before the real spnego packet starts */
723 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
725 /* the server sent us the first part of the SPNEGO exchange in the negprot
727 if (!spnego_parse_negTokenInit(blob, OIDs, &principal)) {
728 data_blob_free(&blob);
729 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
731 data_blob_free(&blob);
733 /* make sure the server understands kerberos */
734 for (i=0;OIDs[i];i++) {
735 DEBUG(3,("got OID=%s\n", OIDs[i]));
737 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
738 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
739 got_kerberos_mechanism = True;
744 DEBUG(3,("got principal=%s\n", principal));
746 fstrcpy(cli->user_name, user);
749 /* If password is set we reauthenticate to kerberos server
750 * and do not store results */
752 if (got_kerberos_mechanism && cli->use_kerberos) {
758 use_in_memory_ccache();
759 ret = kerberos_kinit_password(user, pass, 0 /* no time correction for now */, NULL, NULL);
762 SAFE_FREE(principal);
763 DEBUG(0, ("Kinit failed: %s\n", error_message(ret)));
764 if (cli->fallback_after_kerberos)
766 return ADS_ERROR_KRB5(ret);
770 rc = cli_session_setup_kerberos(cli, principal, domain);
771 if (ADS_ERR_OK(rc) || !cli->fallback_after_kerberos) {
772 SAFE_FREE(principal);
778 SAFE_FREE(principal);
782 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli, user, pass, domain));
785 /****************************************************************************
786 Send a session setup. The username and workgroup is in UNIX character
787 format and must be converted to DOS codepage format before sending. If the
788 password is in plaintext, the same should be done.
789 ****************************************************************************/
791 BOOL cli_session_setup(struct cli_state *cli,
793 const char *pass, int passlen,
794 const char *ntpass, int ntpasslen,
795 const char *workgroup)
800 /* allow for workgroups as part of the username */
801 fstrcpy(user2, user);
802 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
803 (p=strchr_m(user2,*lp_winbind_separator()))) {
809 if (cli->protocol < PROTOCOL_LANMAN1)
812 /* now work out what sort of session setup we are going to
813 do. I have split this into separate functions to make the
814 flow a bit easier to understand (tridge) */
816 /* if its an older server then we have to use the older request format */
818 if (cli->protocol < PROTOCOL_NT1) {
819 if (!lp_client_lanman_auth() && passlen != 24 && (*pass)) {
820 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
825 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0 &&
826 !lp_client_plaintext_auth() && (*pass)) {
827 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
832 return cli_session_setup_lanman2(cli, user, pass, passlen, workgroup);
835 /* if no user is supplied then we have to do an anonymous connection.
836 passwords are ignored */
839 return cli_session_setup_guest(cli);
841 /* if the server is share level then send a plaintext null
842 password at this point. The password is sent in the tree
845 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
846 return cli_session_setup_plaintext(cli, user, "", workgroup);
848 /* if the server doesn't support encryption then we have to use
849 plaintext. The second password is ignored */
851 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0) {
852 if (!lp_client_plaintext_auth() && (*pass)) {
853 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
857 return cli_session_setup_plaintext(cli, user, pass, workgroup);
860 /* if the server supports extended security then use SPNEGO */
862 if (cli->capabilities & CAP_EXTENDED_SECURITY) {
863 ADS_STATUS status = cli_session_setup_spnego(cli, user, pass, workgroup);
864 if (!ADS_ERR_OK(status)) {
865 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status)));
871 /* otherwise do a NT1 style session setup */
873 return cli_session_setup_nt1(cli, user,
874 pass, passlen, ntpass, ntpasslen,
878 /****************************************************************************
880 *****************************************************************************/
882 BOOL cli_ulogoff(struct cli_state *cli)
884 memset(cli->outbuf,'\0',smb_size);
885 set_message(cli->outbuf,2,0,True);
886 SCVAL(cli->outbuf,smb_com,SMBulogoffX);
887 cli_setup_packet(cli);
888 SSVAL(cli->outbuf,smb_vwv0,0xFF);
889 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
892 if (!cli_receive_smb(cli))
895 if (cli_is_error(cli)) {
903 /****************************************************************************
905 ****************************************************************************/
906 BOOL cli_send_tconX(struct cli_state *cli,
907 const char *share, const char *dev, const char *pass, int passlen)
909 fstring fullshare, pword;
911 memset(cli->outbuf,'\0',smb_size);
912 memset(cli->inbuf,'\0',smb_size);
914 fstrcpy(cli->share, share);
916 /* in user level security don't send a password now */
917 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
922 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && *pass && passlen != 24) {
923 if (!lp_client_lanman_auth()) {
924 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
930 * Non-encrypted passwords - convert to DOS codepage before encryption.
933 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
935 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
936 if (!lp_client_plaintext_auth() && (*pass)) {
937 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
943 * Non-encrypted passwords - convert to DOS codepage before using.
945 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
948 memcpy(pword, pass, passlen);
952 slprintf(fullshare, sizeof(fullshare)-1,
953 "\\\\%s\\%s", cli->desthost, share);
955 set_message(cli->outbuf,4, 0, True);
956 SCVAL(cli->outbuf,smb_com,SMBtconX);
957 cli_setup_packet(cli);
959 SSVAL(cli->outbuf,smb_vwv0,0xFF);
960 SSVAL(cli->outbuf,smb_vwv3,passlen);
962 p = smb_buf(cli->outbuf);
963 memcpy(p,pword,passlen);
965 p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
966 p += clistr_push(cli, p, dev, -1, STR_TERMINATE |STR_UPPER | STR_ASCII);
968 cli_setup_bcc(cli, p);
971 if (!cli_receive_smb(cli))
974 if (cli_is_error(cli))
977 clistr_pull(cli, cli->dev, smb_buf(cli->inbuf), sizeof(fstring), -1, STR_TERMINATE|STR_ASCII);
979 if (cli->protocol >= PROTOCOL_NT1 &&
980 smb_buflen(cli->inbuf) == 3) {
981 /* almost certainly win95 - enable bug fixes */
985 /* Make sure that we have the optional support 16-bit field. WCT > 2 */
986 /* Avoids issues when connecting to Win9x boxes sharing files */
988 cli->dfsroot = False;
989 if ( (CVAL(cli->inbuf, smb_wct))>2 && cli->protocol >= PROTOCOL_LANMAN2 )
990 cli->dfsroot = (SVAL( cli->inbuf, smb_vwv2 ) & SMB_SHARE_IN_DFS) ? True : False;
992 cli->cnum = SVAL(cli->inbuf,smb_tid);
996 /****************************************************************************
997 Send a tree disconnect.
998 ****************************************************************************/
1000 BOOL cli_tdis(struct cli_state *cli)
1002 memset(cli->outbuf,'\0',smb_size);
1003 set_message(cli->outbuf,0,0,True);
1004 SCVAL(cli->outbuf,smb_com,SMBtdis);
1005 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1006 cli_setup_packet(cli);
1009 if (!cli_receive_smb(cli))
1012 if (cli_is_error(cli)) {
1020 /****************************************************************************
1021 Send a negprot command.
1022 ****************************************************************************/
1024 void cli_negprot_send(struct cli_state *cli)
1029 if (cli->protocol < PROTOCOL_NT1)
1030 cli->use_spnego = False;
1032 memset(cli->outbuf,'\0',smb_size);
1034 /* setup the protocol strings */
1035 set_message(cli->outbuf,0,0,True);
1037 p = smb_buf(cli->outbuf);
1039 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1042 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1045 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1046 cli_setup_bcc(cli, p);
1047 cli_setup_packet(cli);
1049 SCVAL(smb_buf(cli->outbuf),0,2);
1054 /****************************************************************************
1055 Send a negprot command.
1056 ****************************************************************************/
1058 BOOL cli_negprot(struct cli_state *cli)
1064 if (cli->protocol < PROTOCOL_NT1)
1065 cli->use_spnego = False;
1067 memset(cli->outbuf,'\0',smb_size);
1069 /* setup the protocol strings */
1070 for (plength=0,numprots=0;
1071 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1073 plength += strlen(prots[numprots].name)+2;
1075 set_message(cli->outbuf,0,plength,True);
1077 p = smb_buf(cli->outbuf);
1079 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1082 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1085 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1086 cli_setup_packet(cli);
1088 SCVAL(smb_buf(cli->outbuf),0,2);
1091 if (!cli_receive_smb(cli))
1094 show_msg(cli->inbuf);
1096 if (cli_is_error(cli) ||
1097 ((int)SVAL(cli->inbuf,smb_vwv0) >= numprots)) {
1101 cli->protocol = prots[SVAL(cli->inbuf,smb_vwv0)].prot;
1103 if ((cli->protocol < PROTOCOL_NT1) && cli->sign_info.mandatory_signing) {
1104 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1108 if (cli->protocol >= PROTOCOL_NT1) {
1110 cli->sec_mode = CVAL(cli->inbuf,smb_vwv1);
1111 cli->max_mux = SVAL(cli->inbuf, smb_vwv1+1);
1112 cli->max_xmit = IVAL(cli->inbuf,smb_vwv3+1);
1113 cli->sesskey = IVAL(cli->inbuf,smb_vwv7+1);
1114 cli->serverzone = SVALS(cli->inbuf,smb_vwv15+1);
1115 cli->serverzone *= 60;
1116 /* this time arrives in real GMT */
1117 cli->servertime = interpret_long_date(cli->inbuf+smb_vwv11+1);
1118 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1119 cli->capabilities = IVAL(cli->inbuf,smb_vwv9+1);
1120 if (cli->capabilities & CAP_RAW_MODE) {
1121 cli->readbraw_supported = True;
1122 cli->writebraw_supported = True;
1124 /* work out if they sent us a workgroup */
1125 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
1126 smb_buflen(cli->inbuf) > 8) {
1127 clistr_pull(cli, cli->server_domain,
1128 smb_buf(cli->inbuf)+8, sizeof(cli->server_domain),
1129 smb_buflen(cli->inbuf)-8, STR_UNICODE|STR_NOALIGN);
1133 * As signing is slow we only turn it on if either the client or
1134 * the server require it. JRA.
1137 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
1138 /* Fail if server says signing is mandatory and we don't want to support it. */
1139 if (!cli->sign_info.allow_smb_signing) {
1140 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1143 cli->sign_info.negotiated_smb_signing = True;
1144 cli->sign_info.mandatory_signing = True;
1145 } else if (cli->sign_info.mandatory_signing && cli->sign_info.allow_smb_signing) {
1146 /* Fail if client says signing is mandatory and the server doesn't support it. */
1147 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
1148 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1151 cli->sign_info.negotiated_smb_signing = True;
1152 cli->sign_info.mandatory_signing = True;
1153 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
1154 cli->sign_info.negotiated_smb_signing = True;
1157 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
1158 SAFE_FREE(cli->outbuf);
1159 SAFE_FREE(cli->inbuf);
1160 cli->outbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1161 cli->inbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1162 cli->bufsize = CLI_MAX_LARGE_READX_SIZE;
1165 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
1166 cli->use_spnego = False;
1167 cli->sec_mode = SVAL(cli->inbuf,smb_vwv1);
1168 cli->max_xmit = SVAL(cli->inbuf,smb_vwv2);
1169 cli->max_mux = SVAL(cli->inbuf, smb_vwv3);
1170 cli->sesskey = IVAL(cli->inbuf,smb_vwv6);
1171 cli->serverzone = SVALS(cli->inbuf,smb_vwv10);
1172 cli->serverzone *= 60;
1173 /* this time is converted to GMT by make_unix_date */
1174 cli->servertime = make_unix_date(cli->inbuf+smb_vwv8);
1175 cli->readbraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x1) != 0);
1176 cli->writebraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x2) != 0);
1177 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1179 /* the old core protocol */
1180 cli->use_spnego = False;
1182 cli->serverzone = TimeDiff(time(NULL));
1185 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
1187 /* a way to force ascii SMB */
1188 if (getenv("CLI_FORCE_ASCII"))
1189 cli->capabilities &= ~CAP_UNICODE;
1194 /****************************************************************************
1195 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1196 ****************************************************************************/
1198 BOOL cli_session_request(struct cli_state *cli,
1199 struct nmb_name *calling, struct nmb_name *called)
1203 extern pstring user_socket_options;
1205 memcpy(&(cli->calling), calling, sizeof(*calling));
1206 memcpy(&(cli->called ), called , sizeof(*called ));
1208 /* put in the destination name */
1209 p = cli->outbuf+len;
1210 name_mangle(cli->called .name, p, cli->called .name_type);
1214 p = cli->outbuf+len;
1215 name_mangle(cli->calling.name, p, cli->calling.name_type);
1218 /* 445 doesn't have session request */
1219 if (cli->port == 445)
1222 /* send a session request (RFC 1002) */
1223 /* setup the packet length
1224 * Remove four bytes from the length count, since the length
1225 * field in the NBT Session Service header counts the number
1226 * of bytes which follow. The cli_send_smb() function knows
1227 * about this and accounts for those four bytes.
1231 _smb_setlen(cli->outbuf,len);
1232 SCVAL(cli->outbuf,0,0x81);
1235 DEBUG(5,("Sent session request\n"));
1237 if (!cli_receive_smb(cli))
1240 if (CVAL(cli->inbuf,0) == 0x84) {
1241 /* C. Hoch 9/14/95 Start */
1242 /* For information, here is the response structure.
1243 * We do the byte-twiddling to for portability.
1244 struct RetargetResponse{
1246 unsigned char flags;
1252 int port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
1253 /* SESSION RETARGET */
1254 putip((char *)&cli->dest_ip,cli->inbuf+4);
1256 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip, port, LONG_CONNECT_TIMEOUT);
1260 DEBUG(3,("Retargeted\n"));
1262 set_socket_options(cli->fd,user_socket_options);
1269 DEBUG(0,("Retarget recursion - failing\n"));
1273 ret = cli_session_request(cli, calling, called);
1277 } /* C. Hoch 9/14/95 End */
1279 if (CVAL(cli->inbuf,0) != 0x82) {
1280 /* This is the wrong place to put the error... JRA. */
1281 cli->rap_error = CVAL(cli->inbuf,4);
1287 /****************************************************************************
1288 Open the client sockets.
1289 ****************************************************************************/
1291 BOOL cli_connect(struct cli_state *cli, const char *host, struct in_addr *ip)
1293 extern pstring user_socket_options;
1294 int name_type = 0x20;
1297 /* reasonable default hostname */
1298 if (!host) host = "*SMBSERVER";
1300 fstrcpy(cli->desthost, host);
1302 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1303 if ((p = strchr(cli->desthost, '#'))) {
1304 name_type = strtol(p+1, NULL, 16);
1308 if (!ip || is_zero_ip(*ip)) {
1309 if (!resolve_name(cli->desthost, &cli->dest_ip, name_type)) {
1312 if (ip) *ip = cli->dest_ip;
1317 if (getenv("LIBSMB_PROG")) {
1318 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
1320 /* try 445 first, then 139 */
1321 int port = cli->port?cli->port:445;
1322 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1323 port, cli->timeout);
1324 if (cli->fd == -1 && cli->port == 0) {
1326 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1327 port, cli->timeout);
1332 if (cli->fd == -1) {
1333 DEBUG(1,("Error connecting to %s (%s)\n",
1334 ip?inet_ntoa(*ip):host,strerror(errno)));
1338 set_socket_options(cli->fd,user_socket_options);
1343 /****************************************************************************
1344 Initialise client credentials for authenticated pipe access.
1345 ****************************************************************************/
1347 void init_creds(struct ntuser_creds *creds, const char* username,
1348 const char* domain, const char* password)
1350 ZERO_STRUCTP(creds);
1352 pwd_set_cleartext(&creds->pwd, password);
1354 fstrcpy(creds->user_name, username);
1355 fstrcpy(creds->domain, domain);
1358 creds->pwd.null_pwd = True;
1363 establishes a connection to after the negprot.
1364 @param output_cli A fully initialised cli structure, non-null only on success
1365 @param dest_host The netbios name of the remote host
1366 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1367 @param port (optional) The destination port (0 for default)
1368 @param retry BOOL. Did this connection fail with a retryable error ?
1371 NTSTATUS cli_start_connection(struct cli_state **output_cli,
1372 const char *my_name,
1373 const char *dest_host,
1374 struct in_addr *dest_ip, int port,
1375 int signing_state, int flags,
1379 struct nmb_name calling;
1380 struct nmb_name called;
1381 struct cli_state *cli;
1388 my_name = global_myname();
1390 if (!(cli = cli_initialise(NULL)))
1391 return NT_STATUS_NO_MEMORY;
1393 make_nmb_name(&calling, my_name, 0x0);
1394 make_nmb_name(&called , dest_host, 0x20);
1396 if (cli_set_port(cli, port) != port) {
1398 return NT_STATUS_UNSUCCESSFUL;
1401 cli_set_timeout(cli, 10000); /* 10 seconds. */
1410 DEBUG(3,("Connecting to host=%s\n", dest_host));
1412 if (!cli_connect(cli, dest_host, &ip)) {
1413 DEBUG(1,("cli_full_connection: failed to connect to %s (%s)\n",
1414 nmb_namestr(&called), inet_ntoa(ip)));
1416 return NT_STATUS_UNSUCCESSFUL;
1422 if (!cli_session_request(cli, &calling, &called)) {
1424 DEBUG(1,("session request to %s failed (%s)\n",
1425 called.name, cli_errstr(cli)));
1426 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
1430 if (strcmp(called.name, "*SMBSERVER")) {
1431 make_nmb_name(&called , "*SMBSERVER", 0x20);
1434 return NT_STATUS_UNSUCCESSFUL;
1437 cli_setup_signing_state(cli, signing_state);
1439 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
1440 cli->use_spnego = False;
1441 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
1442 cli->use_kerberos = True;
1444 if (!cli_negprot(cli)) {
1445 DEBUG(1,("failed negprot\n"));
1446 nt_status = NT_STATUS_UNSUCCESSFUL;
1452 return NT_STATUS_OK;
1457 establishes a connection right up to doing tconX, password specified.
1458 @param output_cli A fully initialised cli structure, non-null only on success
1459 @param dest_host The netbios name of the remote host
1460 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1461 @param port (optional) The destination port (0 for default)
1462 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1463 @param service_type The 'type' of serivice.
1464 @param user Username, unix string
1465 @param domain User's domain
1466 @param password User's password, unencrypted unix string.
1467 @param retry BOOL. Did this connection fail with a retryable error ?
1470 NTSTATUS cli_full_connection(struct cli_state **output_cli,
1471 const char *my_name,
1472 const char *dest_host,
1473 struct in_addr *dest_ip, int port,
1474 const char *service, const char *service_type,
1475 const char *user, const char *domain,
1476 const char *password, int flags,
1480 struct ntuser_creds creds;
1482 struct cli_state *cli = NULL;
1484 nt_status = cli_start_connection(&cli, my_name, dest_host,
1485 dest_ip, port, signing_state, flags, retry);
1487 if (!NT_STATUS_IS_OK(nt_status)) {
1491 if (!cli_session_setup(cli, user, password, strlen(password)+1,
1492 password, strlen(password)+1,
1494 if ((flags & CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK)
1495 && cli_session_setup(cli, "", "", 0, "", 0, domain)) {
1497 nt_status = cli_nt_error(cli);
1498 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status)));
1500 if (NT_STATUS_IS_OK(nt_status))
1501 nt_status = NT_STATUS_UNSUCCESSFUL;
1507 if (!cli_send_tconX(cli, service, service_type,
1508 password, strlen(password)+1)) {
1509 nt_status = cli_nt_error(cli);
1510 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
1512 if (NT_STATUS_IS_OK(nt_status)) {
1513 nt_status = NT_STATUS_UNSUCCESSFUL;
1519 init_creds(&creds, user, domain, password);
1520 cli_init_creds(cli, &creds);
1523 return NT_STATUS_OK;
1526 /****************************************************************************
1527 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1528 ****************************************************************************/
1530 BOOL attempt_netbios_session_request(struct cli_state *cli, const char *srchost, const char *desthost,
1531 struct in_addr *pdest_ip)
1533 struct nmb_name calling, called;
1535 make_nmb_name(&calling, srchost, 0x0);
1538 * If the called name is an IP address
1539 * then use *SMBSERVER immediately.
1542 if(is_ipaddress(desthost))
1543 make_nmb_name(&called, "*SMBSERVER", 0x20);
1545 make_nmb_name(&called, desthost, 0x20);
1547 if (!cli_session_request(cli, &calling, &called)) {
1548 struct nmb_name smbservername;
1550 make_nmb_name(&smbservername , "*SMBSERVER", 0x20);
1553 * If the name wasn't *SMBSERVER then
1554 * try with *SMBSERVER if the first name fails.
1557 if (nmb_name_equal(&called, &smbservername)) {
1560 * The name used was *SMBSERVER, don't bother with another name.
1563 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1564 with error %s.\n", desthost, cli_errstr(cli) ));
1569 * We need to close the connection here but can't call cli_shutdown as
1570 * will free an allocated cli struct. cli_close_connection was invented
1571 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1574 cli_close_connection(cli);
1576 if (!cli_initialise(cli) ||
1577 !cli_connect(cli, desthost, pdest_ip) ||
1578 !cli_session_request(cli, &calling, &smbservername)) {
1579 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1580 name *SMBSERVER with error %s\n", desthost, cli_errstr(cli) ));
1592 /****************************************************************************
1593 Send an old style tcon.
1594 ****************************************************************************/
1595 NTSTATUS cli_raw_tcon(struct cli_state *cli,
1596 const char *service, const char *pass, const char *dev,
1597 uint16 *max_xmit, uint16 *tid)
1601 if (!lp_client_plaintext_auth() && (*pass)) {
1602 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1604 return NT_STATUS_ACCESS_DENIED;
1607 memset(cli->outbuf,'\0',smb_size);
1608 memset(cli->inbuf,'\0',smb_size);
1610 set_message(cli->outbuf, 0, 0, True);
1611 SCVAL(cli->outbuf,smb_com,SMBtcon);
1612 cli_setup_packet(cli);
1614 p = smb_buf(cli->outbuf);
1615 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
1616 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
1617 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
1619 cli_setup_bcc(cli, p);
1622 if (!cli_receive_smb(cli)) {
1623 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1626 if (cli_is_error(cli)) {
1627 return cli_nt_error(cli);
1630 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
1631 *tid = SVAL(cli->inbuf, smb_vwv1);
1633 return NT_STATUS_OK;
1636 /* Return a cli_state pointing at the IPC$ share for the given server */
1638 struct cli_state *get_ipc_connect(char *server, struct in_addr *server_ip,
1639 struct user_auth_info *user_info)
1641 struct cli_state *cli;
1647 nt_status = cli_full_connection(&cli, myname, server, server_ip, 0, "IPC$", "IPC",
1648 user_info->username, lp_workgroup(), user_info->password,
1649 CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK, Undefined, NULL);
1651 if (NT_STATUS_IS_OK(nt_status)) {
1653 } else if (is_ipaddress(server)) {
1654 /* windows 9* needs a correct NMB name for connections */
1655 fstring remote_name;
1657 if (name_status_find("*", 0, 0, *server_ip, remote_name)) {
1658 cli = get_ipc_connect(remote_name, server_ip, user_info);
1667 * Given the IP address of a master browser on the network, return its
1668 * workgroup and connect to it.
1670 * This function is provided to allow additional processing beyond what
1671 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1672 * browsers and obtain each master browsers' list of domains (in case the
1673 * first master browser is recently on the network and has not yet
1674 * synchronized with other master browsers and therefore does not yet have the
1675 * entire network browse list)
1678 struct cli_state *get_ipc_connect_master_ip(struct ip_service * mb_ip, pstring workgroup, struct user_auth_info *user_info)
1680 static fstring name;
1681 struct cli_state *cli;
1682 struct in_addr server_ip;
1684 DEBUG(99, ("Looking up name of master browser %s\n",
1685 inet_ntoa(mb_ip->ip)));
1688 * Do a name status query to find out the name of the master browser.
1689 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1690 * master browser will not respond to a wildcard query (or, at least,
1691 * an NT4 server acting as the domain master browser will not).
1693 * We might be able to use ONLY the query on MSBROWSE, but that's not
1694 * yet been tested with all Windows versions, so until it is, leave
1695 * the original wildcard query as the first choice and fall back to
1696 * MSBROWSE if the wildcard query fails.
1698 if (!name_status_find("*", 0, 0x1d, mb_ip->ip, name) &&
1699 !name_status_find(MSBROWSE, 1, 0x1d, mb_ip->ip, name)) {
1701 DEBUG(99, ("Could not retrieve name status for %s\n",
1702 inet_ntoa(mb_ip->ip)));
1706 if (!find_master_ip(name, &server_ip)) {
1707 DEBUG(99, ("Could not find master ip for %s\n", name));
1711 pstrcpy(workgroup, name);
1713 DEBUG(4, ("found master browser %s, %s\n",
1714 name, inet_ntoa(mb_ip->ip)));
1716 cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info);
1723 * Return the IP address and workgroup of a master browser on the network, and
1727 struct cli_state *get_ipc_connect_master_ip_bcast(pstring workgroup, struct user_auth_info *user_info)
1729 struct ip_service *ip_list;
1730 struct cli_state *cli;
1733 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1735 /* Go looking for workgroups by broadcasting on the local network */
1737 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
1738 DEBUG(99, ("No master browsers responded\n"));
1742 for (i = 0; i < count; i++) {
1743 DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip)));
1745 cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, user_info);