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 memset(cli->outbuf, '\0', smb_size);
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, 0);
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) || NT_STATUS_IS_OK(nt_status)) {
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, NULL, False, 0);
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)));
869 /* otherwise do a NT1 style session setup */
870 if ( !cli_session_setup_nt1(cli, user, pass, passlen, ntpass, ntpasslen, workgroup) ) {
871 DEBUG(3,("cli_session_setup: NT1 session setup failed!\n"));
880 /****************************************************************************
882 *****************************************************************************/
884 BOOL cli_ulogoff(struct cli_state *cli)
886 memset(cli->outbuf,'\0',smb_size);
887 set_message(cli->outbuf,2,0,True);
888 SCVAL(cli->outbuf,smb_com,SMBulogoffX);
889 cli_setup_packet(cli);
890 SSVAL(cli->outbuf,smb_vwv0,0xFF);
891 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
894 if (!cli_receive_smb(cli))
897 if (cli_is_error(cli)) {
905 /****************************************************************************
907 ****************************************************************************/
908 BOOL cli_send_tconX(struct cli_state *cli,
909 const char *share, const char *dev, const char *pass, int passlen)
911 fstring fullshare, pword;
913 memset(cli->outbuf,'\0',smb_size);
914 memset(cli->inbuf,'\0',smb_size);
916 fstrcpy(cli->share, share);
918 /* in user level security don't send a password now */
919 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
924 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && *pass && passlen != 24) {
925 if (!lp_client_lanman_auth()) {
926 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
932 * Non-encrypted passwords - convert to DOS codepage before encryption.
935 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
937 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
938 if (!lp_client_plaintext_auth() && (*pass)) {
939 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
945 * Non-encrypted passwords - convert to DOS codepage before using.
947 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
950 memcpy(pword, pass, passlen);
954 slprintf(fullshare, sizeof(fullshare)-1,
955 "\\\\%s\\%s", cli->desthost, share);
957 set_message(cli->outbuf,4, 0, True);
958 SCVAL(cli->outbuf,smb_com,SMBtconX);
959 cli_setup_packet(cli);
961 SSVAL(cli->outbuf,smb_vwv0,0xFF);
962 SSVAL(cli->outbuf,smb_vwv3,passlen);
964 p = smb_buf(cli->outbuf);
965 memcpy(p,pword,passlen);
967 p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
968 p += clistr_push(cli, p, dev, -1, STR_TERMINATE |STR_UPPER | STR_ASCII);
970 cli_setup_bcc(cli, p);
973 if (!cli_receive_smb(cli))
976 if (cli_is_error(cli))
979 clistr_pull(cli, cli->dev, smb_buf(cli->inbuf), sizeof(fstring), -1, STR_TERMINATE|STR_ASCII);
981 if (cli->protocol >= PROTOCOL_NT1 &&
982 smb_buflen(cli->inbuf) == 3) {
983 /* almost certainly win95 - enable bug fixes */
987 /* Make sure that we have the optional support 16-bit field. WCT > 2 */
988 /* Avoids issues when connecting to Win9x boxes sharing files */
990 cli->dfsroot = False;
991 if ( (CVAL(cli->inbuf, smb_wct))>2 && cli->protocol >= PROTOCOL_LANMAN2 )
992 cli->dfsroot = (SVAL( cli->inbuf, smb_vwv2 ) & SMB_SHARE_IN_DFS) ? True : False;
994 cli->cnum = SVAL(cli->inbuf,smb_tid);
998 /****************************************************************************
999 Send a tree disconnect.
1000 ****************************************************************************/
1002 BOOL cli_tdis(struct cli_state *cli)
1004 memset(cli->outbuf,'\0',smb_size);
1005 set_message(cli->outbuf,0,0,True);
1006 SCVAL(cli->outbuf,smb_com,SMBtdis);
1007 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1008 cli_setup_packet(cli);
1011 if (!cli_receive_smb(cli))
1014 if (cli_is_error(cli)) {
1022 /****************************************************************************
1023 Send a negprot command.
1024 ****************************************************************************/
1026 void cli_negprot_send(struct cli_state *cli)
1031 if (cli->protocol < PROTOCOL_NT1)
1032 cli->use_spnego = False;
1034 memset(cli->outbuf,'\0',smb_size);
1036 /* setup the protocol strings */
1037 set_message(cli->outbuf,0,0,True);
1039 p = smb_buf(cli->outbuf);
1041 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1044 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1047 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1048 cli_setup_bcc(cli, p);
1049 cli_setup_packet(cli);
1051 SCVAL(smb_buf(cli->outbuf),0,2);
1056 /****************************************************************************
1057 Send a negprot command.
1058 ****************************************************************************/
1060 BOOL cli_negprot(struct cli_state *cli)
1066 if (cli->protocol < PROTOCOL_NT1)
1067 cli->use_spnego = False;
1069 memset(cli->outbuf,'\0',smb_size);
1071 /* setup the protocol strings */
1072 for (plength=0,numprots=0;
1073 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1075 plength += strlen(prots[numprots].name)+2;
1077 set_message(cli->outbuf,0,plength,True);
1079 p = smb_buf(cli->outbuf);
1081 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1084 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1087 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1088 cli_setup_packet(cli);
1090 SCVAL(smb_buf(cli->outbuf),0,2);
1093 if (!cli_receive_smb(cli))
1096 show_msg(cli->inbuf);
1098 if (cli_is_error(cli) ||
1099 ((int)SVAL(cli->inbuf,smb_vwv0) >= numprots)) {
1103 cli->protocol = prots[SVAL(cli->inbuf,smb_vwv0)].prot;
1105 if ((cli->protocol < PROTOCOL_NT1) && cli->sign_info.mandatory_signing) {
1106 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1110 if (cli->protocol >= PROTOCOL_NT1) {
1112 cli->sec_mode = CVAL(cli->inbuf,smb_vwv1);
1113 cli->max_mux = SVAL(cli->inbuf, smb_vwv1+1);
1114 cli->max_xmit = IVAL(cli->inbuf,smb_vwv3+1);
1115 cli->sesskey = IVAL(cli->inbuf,smb_vwv7+1);
1116 cli->serverzone = SVALS(cli->inbuf,smb_vwv15+1);
1117 cli->serverzone *= 60;
1118 /* this time arrives in real GMT */
1119 cli->servertime = interpret_long_date(cli->inbuf+smb_vwv11+1);
1120 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1121 cli->capabilities = IVAL(cli->inbuf,smb_vwv9+1);
1122 if (cli->capabilities & CAP_RAW_MODE) {
1123 cli->readbraw_supported = True;
1124 cli->writebraw_supported = True;
1126 /* work out if they sent us a workgroup */
1127 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
1128 smb_buflen(cli->inbuf) > 8) {
1129 clistr_pull(cli, cli->server_domain,
1130 smb_buf(cli->inbuf)+8, sizeof(cli->server_domain),
1131 smb_buflen(cli->inbuf)-8, STR_UNICODE|STR_NOALIGN);
1135 * As signing is slow we only turn it on if either the client or
1136 * the server require it. JRA.
1139 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
1140 /* Fail if server says signing is mandatory and we don't want to support it. */
1141 if (!cli->sign_info.allow_smb_signing) {
1142 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1145 cli->sign_info.negotiated_smb_signing = True;
1146 cli->sign_info.mandatory_signing = True;
1147 } else if (cli->sign_info.mandatory_signing && cli->sign_info.allow_smb_signing) {
1148 /* Fail if client says signing is mandatory and the server doesn't support it. */
1149 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
1150 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1153 cli->sign_info.negotiated_smb_signing = True;
1154 cli->sign_info.mandatory_signing = True;
1155 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
1156 cli->sign_info.negotiated_smb_signing = True;
1159 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
1160 SAFE_FREE(cli->outbuf);
1161 SAFE_FREE(cli->inbuf);
1162 cli->outbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1163 cli->inbuf = (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1164 cli->bufsize = CLI_MAX_LARGE_READX_SIZE;
1167 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
1168 cli->use_spnego = False;
1169 cli->sec_mode = SVAL(cli->inbuf,smb_vwv1);
1170 cli->max_xmit = SVAL(cli->inbuf,smb_vwv2);
1171 cli->max_mux = SVAL(cli->inbuf, smb_vwv3);
1172 cli->sesskey = IVAL(cli->inbuf,smb_vwv6);
1173 cli->serverzone = SVALS(cli->inbuf,smb_vwv10);
1174 cli->serverzone *= 60;
1175 /* this time is converted to GMT by make_unix_date */
1176 cli->servertime = cli_make_unix_date(cli,cli->inbuf+smb_vwv8);
1177 cli->readbraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x1) != 0);
1178 cli->writebraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x2) != 0);
1179 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1181 /* the old core protocol */
1182 cli->use_spnego = False;
1184 cli->serverzone = get_time_zone(time(NULL));
1187 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
1189 /* a way to force ascii SMB */
1190 if (getenv("CLI_FORCE_ASCII"))
1191 cli->capabilities &= ~CAP_UNICODE;
1196 /****************************************************************************
1197 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1198 ****************************************************************************/
1200 BOOL cli_session_request(struct cli_state *cli,
1201 struct nmb_name *calling, struct nmb_name *called)
1206 memcpy(&(cli->calling), calling, sizeof(*calling));
1207 memcpy(&(cli->called ), called , sizeof(*called ));
1209 /* put in the destination name */
1210 p = cli->outbuf+len;
1211 name_mangle(cli->called .name, p, cli->called .name_type);
1215 p = cli->outbuf+len;
1216 name_mangle(cli->calling.name, p, cli->calling.name_type);
1219 /* 445 doesn't have session request */
1220 if (cli->port == 445)
1223 /* send a session request (RFC 1002) */
1224 /* setup the packet length
1225 * Remove four bytes from the length count, since the length
1226 * field in the NBT Session Service header counts the number
1227 * of bytes which follow. The cli_send_smb() function knows
1228 * about this and accounts for those four bytes.
1232 _smb_setlen(cli->outbuf,len);
1233 SCVAL(cli->outbuf,0,0x81);
1236 DEBUG(5,("Sent session request\n"));
1238 if (!cli_receive_smb(cli))
1241 if (CVAL(cli->inbuf,0) == 0x84) {
1242 /* C. Hoch 9/14/95 Start */
1243 /* For information, here is the response structure.
1244 * We do the byte-twiddling to for portability.
1245 struct RetargetResponse{
1247 unsigned char flags;
1253 int port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
1254 /* SESSION RETARGET */
1255 putip((char *)&cli->dest_ip,cli->inbuf+4);
1257 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip, port, LONG_CONNECT_TIMEOUT);
1261 DEBUG(3,("Retargeted\n"));
1263 set_socket_options(cli->fd,user_socket_options);
1270 DEBUG(0,("Retarget recursion - failing\n"));
1274 ret = cli_session_request(cli, calling, called);
1278 } /* C. Hoch 9/14/95 End */
1280 if (CVAL(cli->inbuf,0) != 0x82) {
1281 /* This is the wrong place to put the error... JRA. */
1282 cli->rap_error = CVAL(cli->inbuf,4);
1288 /****************************************************************************
1289 Open the client sockets.
1290 ****************************************************************************/
1292 BOOL cli_connect(struct cli_state *cli, const char *host, struct in_addr *ip)
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);
1344 establishes a connection to after the negprot.
1345 @param output_cli A fully initialised cli structure, non-null only on success
1346 @param dest_host The netbios name of the remote host
1347 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1348 @param port (optional) The destination port (0 for default)
1349 @param retry BOOL. Did this connection fail with a retryable error ?
1352 NTSTATUS cli_start_connection(struct cli_state **output_cli,
1353 const char *my_name,
1354 const char *dest_host,
1355 struct in_addr *dest_ip, int port,
1356 int signing_state, int flags,
1360 struct nmb_name calling;
1361 struct nmb_name called;
1362 struct cli_state *cli;
1369 my_name = global_myname();
1371 if (!(cli = cli_initialise(NULL)))
1372 return NT_STATUS_NO_MEMORY;
1374 make_nmb_name(&calling, my_name, 0x0);
1375 make_nmb_name(&called , dest_host, 0x20);
1377 if (cli_set_port(cli, port) != port) {
1379 return NT_STATUS_UNSUCCESSFUL;
1382 cli_set_timeout(cli, 10000); /* 10 seconds. */
1391 DEBUG(3,("Connecting to host=%s\n", dest_host));
1393 if (!cli_connect(cli, dest_host, &ip)) {
1394 DEBUG(1,("cli_start_connection: failed to connect to %s (%s)\n",
1395 nmb_namestr(&called), inet_ntoa(ip)));
1397 if (is_zero_ip(ip)) {
1398 return NT_STATUS_BAD_NETWORK_NAME;
1400 return NT_STATUS_CONNECTION_REFUSED;
1407 if (!cli_session_request(cli, &calling, &called)) {
1409 DEBUG(1,("session request to %s failed (%s)\n",
1410 called.name, cli_errstr(cli)));
1411 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
1415 if (strcmp(called.name, "*SMBSERVER")) {
1416 make_nmb_name(&called , "*SMBSERVER", 0x20);
1419 return NT_STATUS_BAD_NETWORK_NAME;
1422 cli_setup_signing_state(cli, signing_state);
1424 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
1425 cli->use_spnego = False;
1426 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
1427 cli->use_kerberos = True;
1429 if (!cli_negprot(cli)) {
1430 DEBUG(1,("failed negprot\n"));
1431 nt_status = cli_nt_error(cli);
1432 if (NT_STATUS_IS_OK(nt_status)) {
1433 nt_status = NT_STATUS_UNSUCCESSFUL;
1440 return NT_STATUS_OK;
1445 establishes a connection right up to doing tconX, password specified.
1446 @param output_cli A fully initialised cli structure, non-null only on success
1447 @param dest_host The netbios name of the remote host
1448 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1449 @param port (optional) The destination port (0 for default)
1450 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1451 @param service_type The 'type' of serivice.
1452 @param user Username, unix string
1453 @param domain User's domain
1454 @param password User's password, unencrypted unix string.
1455 @param retry BOOL. Did this connection fail with a retryable error ?
1458 NTSTATUS cli_full_connection(struct cli_state **output_cli,
1459 const char *my_name,
1460 const char *dest_host,
1461 struct in_addr *dest_ip, int port,
1462 const char *service, const char *service_type,
1463 const char *user, const char *domain,
1464 const char *password, int flags,
1469 struct cli_state *cli = NULL;
1471 nt_status = cli_start_connection(&cli, my_name, dest_host,
1472 dest_ip, port, signing_state, flags, retry);
1474 if (!NT_STATUS_IS_OK(nt_status)) {
1478 if (!cli_session_setup(cli, user, password, strlen(password)+1,
1479 password, strlen(password)+1,
1481 if ((flags & CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK)
1482 && cli_session_setup(cli, "", "", 0, "", 0, domain)) {
1484 nt_status = cli_nt_error(cli);
1485 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status)));
1487 if (NT_STATUS_IS_OK(nt_status))
1488 nt_status = NT_STATUS_UNSUCCESSFUL;
1494 if (!cli_send_tconX(cli, service, service_type,
1495 password, strlen(password)+1)) {
1496 nt_status = cli_nt_error(cli);
1497 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
1499 if (NT_STATUS_IS_OK(nt_status)) {
1500 nt_status = NT_STATUS_UNSUCCESSFUL;
1506 cli_init_creds(cli, user, domain, password);
1509 return NT_STATUS_OK;
1512 /****************************************************************************
1513 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1514 ****************************************************************************/
1516 BOOL attempt_netbios_session_request(struct cli_state *cli, const char *srchost, const char *desthost,
1517 struct in_addr *pdest_ip)
1519 struct nmb_name calling, called;
1521 make_nmb_name(&calling, srchost, 0x0);
1524 * If the called name is an IP address
1525 * then use *SMBSERVER immediately.
1528 if(is_ipaddress(desthost))
1529 make_nmb_name(&called, "*SMBSERVER", 0x20);
1531 make_nmb_name(&called, desthost, 0x20);
1533 if (!cli_session_request(cli, &calling, &called)) {
1534 struct nmb_name smbservername;
1536 make_nmb_name(&smbservername , "*SMBSERVER", 0x20);
1539 * If the name wasn't *SMBSERVER then
1540 * try with *SMBSERVER if the first name fails.
1543 if (nmb_name_equal(&called, &smbservername)) {
1546 * The name used was *SMBSERVER, don't bother with another name.
1549 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1550 with error %s.\n", desthost, cli_errstr(cli) ));
1555 * We need to close the connection here but can't call cli_shutdown as
1556 * will free an allocated cli struct. cli_close_connection was invented
1557 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1560 cli_close_connection(cli);
1562 if (!cli_initialise(cli) ||
1563 !cli_connect(cli, desthost, pdest_ip) ||
1564 !cli_session_request(cli, &calling, &smbservername)) {
1565 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1566 name *SMBSERVER with error %s\n", desthost, cli_errstr(cli) ));
1578 /****************************************************************************
1579 Send an old style tcon.
1580 ****************************************************************************/
1581 NTSTATUS cli_raw_tcon(struct cli_state *cli,
1582 const char *service, const char *pass, const char *dev,
1583 uint16 *max_xmit, uint16 *tid)
1587 if (!lp_client_plaintext_auth() && (*pass)) {
1588 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1590 return NT_STATUS_ACCESS_DENIED;
1593 memset(cli->outbuf,'\0',smb_size);
1594 memset(cli->inbuf,'\0',smb_size);
1596 set_message(cli->outbuf, 0, 0, True);
1597 SCVAL(cli->outbuf,smb_com,SMBtcon);
1598 cli_setup_packet(cli);
1600 p = smb_buf(cli->outbuf);
1601 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
1602 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
1603 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
1605 cli_setup_bcc(cli, p);
1608 if (!cli_receive_smb(cli)) {
1609 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1612 if (cli_is_error(cli)) {
1613 return cli_nt_error(cli);
1616 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
1617 *tid = SVAL(cli->inbuf, smb_vwv1);
1619 return NT_STATUS_OK;
1622 /* Return a cli_state pointing at the IPC$ share for the given server */
1624 struct cli_state *get_ipc_connect(char *server, struct in_addr *server_ip,
1625 struct user_auth_info *user_info)
1627 struct cli_state *cli;
1633 nt_status = cli_full_connection(&cli, myname, server, server_ip, 0, "IPC$", "IPC",
1634 user_info->username, lp_workgroup(), user_info->password,
1635 CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK, Undefined, NULL);
1637 if (NT_STATUS_IS_OK(nt_status)) {
1639 } else if (is_ipaddress(server)) {
1640 /* windows 9* needs a correct NMB name for connections */
1641 fstring remote_name;
1643 if (name_status_find("*", 0, 0, *server_ip, remote_name)) {
1644 cli = get_ipc_connect(remote_name, server_ip, user_info);
1653 * Given the IP address of a master browser on the network, return its
1654 * workgroup and connect to it.
1656 * This function is provided to allow additional processing beyond what
1657 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1658 * browsers and obtain each master browsers' list of domains (in case the
1659 * first master browser is recently on the network and has not yet
1660 * synchronized with other master browsers and therefore does not yet have the
1661 * entire network browse list)
1664 struct cli_state *get_ipc_connect_master_ip(struct ip_service * mb_ip, pstring workgroup, struct user_auth_info *user_info)
1666 static fstring name;
1667 struct cli_state *cli;
1668 struct in_addr server_ip;
1670 DEBUG(99, ("Looking up name of master browser %s\n",
1671 inet_ntoa(mb_ip->ip)));
1674 * Do a name status query to find out the name of the master browser.
1675 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1676 * master browser will not respond to a wildcard query (or, at least,
1677 * an NT4 server acting as the domain master browser will not).
1679 * We might be able to use ONLY the query on MSBROWSE, but that's not
1680 * yet been tested with all Windows versions, so until it is, leave
1681 * the original wildcard query as the first choice and fall back to
1682 * MSBROWSE if the wildcard query fails.
1684 if (!name_status_find("*", 0, 0x1d, mb_ip->ip, name) &&
1685 !name_status_find(MSBROWSE, 1, 0x1d, mb_ip->ip, name)) {
1687 DEBUG(99, ("Could not retrieve name status for %s\n",
1688 inet_ntoa(mb_ip->ip)));
1692 if (!find_master_ip(name, &server_ip)) {
1693 DEBUG(99, ("Could not find master ip for %s\n", name));
1697 pstrcpy(workgroup, name);
1699 DEBUG(4, ("found master browser %s, %s\n",
1700 name, inet_ntoa(mb_ip->ip)));
1702 cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info);
1709 * Return the IP address and workgroup of a master browser on the network, and
1713 struct cli_state *get_ipc_connect_master_ip_bcast(pstring workgroup, struct user_auth_info *user_info)
1715 struct ip_service *ip_list;
1716 struct cli_state *cli;
1719 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1721 /* Go looking for workgroups by broadcasting on the local network */
1723 if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
1724 DEBUG(99, ("No master browsers responded\n"));
1728 for (i = 0; i < count; i++) {
1729 DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip)));
1731 cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, user_info);