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 3 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, see <http://www.gnu.org/licenses/>.
23 extern pstring user_socket_options;
29 {PROTOCOL_CORE,"PC NETWORK PROGRAM 1.0"},
30 {PROTOCOL_COREPLUS,"MICROSOFT NETWORKS 1.03"},
31 {PROTOCOL_LANMAN1,"MICROSOFT NETWORKS 3.0"},
32 {PROTOCOL_LANMAN1,"LANMAN1.0"},
33 {PROTOCOL_LANMAN2,"LM1.2X002"},
34 {PROTOCOL_LANMAN2,"DOS LANMAN2.1"},
35 {PROTOCOL_LANMAN2,"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 NTSTATUS cli_session_setup_lanman2(struct cli_state *cli,
60 const char *pass, size_t passlen,
61 const char *workgroup)
63 DATA_BLOB session_key = data_blob_null;
64 DATA_BLOB lm_response = data_blob_null;
68 if (passlen > sizeof(pword)-1) {
69 return NT_STATUS_INVALID_PARAMETER;
72 /* LANMAN servers predate NT status codes and Unicode and ignore those
73 smb flags so we must disable the corresponding default capabilities
74 that would otherwise cause the Unicode and NT Status flags to be
75 set (and even returned by the server) */
77 cli->capabilities &= ~(CAP_UNICODE | CAP_STATUS32);
79 /* if in share level security then don't send a password now */
80 if (!(cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL))
83 if (passlen > 0 && (cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen != 24) {
84 /* Encrypted mode needed, and non encrypted password supplied. */
85 lm_response = data_blob(NULL, 24);
86 if (!SMBencrypt(pass, cli->secblob.data,(uchar *)lm_response.data)) {
87 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
88 return NT_STATUS_ACCESS_DENIED;
90 } else if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen == 24) {
91 /* Encrypted mode needed, and encrypted password supplied. */
92 lm_response = data_blob(pass, passlen);
93 } else if (passlen > 0) {
94 /* Plaintext mode needed, assume plaintext supplied. */
95 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
96 lm_response = data_blob(pass, passlen);
99 /* send a session setup command */
100 memset(cli->outbuf,'\0',smb_size);
101 set_message(cli->outbuf,10, 0, True);
102 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
103 cli_setup_packet(cli);
105 SCVAL(cli->outbuf,smb_vwv0,0xFF);
106 SSVAL(cli->outbuf,smb_vwv2,cli->max_xmit);
107 SSVAL(cli->outbuf,smb_vwv3,2);
108 SSVAL(cli->outbuf,smb_vwv4,1);
109 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
110 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
112 p = smb_buf(cli->outbuf);
113 memcpy(p,lm_response.data,lm_response.length);
114 p += lm_response.length;
115 p += clistr_push(cli, p, user, -1, STR_TERMINATE|STR_UPPER);
116 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
117 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
118 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
119 cli_setup_bcc(cli, p);
121 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
122 return cli_nt_error(cli);
125 show_msg(cli->inbuf);
127 if (cli_is_error(cli)) {
128 return cli_nt_error(cli);
131 /* use the returned vuid from now on */
132 cli->vuid = SVAL(cli->inbuf,smb_uid);
133 fstrcpy(cli->user_name, user);
135 if (session_key.data) {
136 /* Have plaintext orginal */
137 cli_set_session_key(cli, session_key);
143 /****************************************************************************
144 Work out suitable capabilities to offer the server.
145 ****************************************************************************/
147 static uint32 cli_session_setup_capabilities(struct cli_state *cli)
149 uint32 capabilities = CAP_NT_SMBS;
151 if (!cli->force_dos_errors)
152 capabilities |= CAP_STATUS32;
154 if (cli->use_level_II_oplocks)
155 capabilities |= CAP_LEVEL_II_OPLOCKS;
157 capabilities |= (cli->capabilities & (CAP_UNICODE|CAP_LARGE_FILES|CAP_LARGE_READX|CAP_LARGE_WRITEX|CAP_DFS));
161 /****************************************************************************
162 Do a NT1 guest session setup.
163 ****************************************************************************/
165 static NTSTATUS cli_session_setup_guest(struct cli_state *cli)
168 uint32 capabilities = cli_session_setup_capabilities(cli);
170 memset(cli->outbuf, '\0', smb_size);
171 set_message(cli->outbuf,13,0,True);
172 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
173 cli_setup_packet(cli);
175 SCVAL(cli->outbuf,smb_vwv0,0xFF);
176 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
177 SSVAL(cli->outbuf,smb_vwv3,2);
178 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
179 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
180 SSVAL(cli->outbuf,smb_vwv7,0);
181 SSVAL(cli->outbuf,smb_vwv8,0);
182 SIVAL(cli->outbuf,smb_vwv11,capabilities);
183 p = smb_buf(cli->outbuf);
184 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* username */
185 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* workgroup */
186 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
187 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
188 cli_setup_bcc(cli, p);
190 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
191 return cli_nt_error(cli);
194 show_msg(cli->inbuf);
196 if (cli_is_error(cli)) {
197 return cli_nt_error(cli);
200 cli->vuid = SVAL(cli->inbuf,smb_uid);
202 p = smb_buf(cli->inbuf);
203 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
204 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
205 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
207 if (strstr(cli->server_type, "Samba")) {
208 cli->is_samba = True;
211 fstrcpy(cli->user_name, "");
216 /****************************************************************************
217 Do a NT1 plaintext session setup.
218 ****************************************************************************/
220 static NTSTATUS cli_session_setup_plaintext(struct cli_state *cli,
221 const char *user, const char *pass,
222 const char *workgroup)
224 uint32 capabilities = cli_session_setup_capabilities(cli);
228 fstr_sprintf( lanman, "Samba %s", SAMBA_VERSION_STRING);
230 memset(cli->outbuf, '\0', smb_size);
231 set_message(cli->outbuf,13,0,True);
232 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
233 cli_setup_packet(cli);
235 SCVAL(cli->outbuf,smb_vwv0,0xFF);
236 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
237 SSVAL(cli->outbuf,smb_vwv3,2);
238 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
239 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
240 SSVAL(cli->outbuf,smb_vwv8,0);
241 SIVAL(cli->outbuf,smb_vwv11,capabilities);
242 p = smb_buf(cli->outbuf);
244 /* check wether to send the ASCII or UNICODE version of the password */
246 if ( (capabilities & CAP_UNICODE) == 0 ) {
247 p += clistr_push(cli, p, pass, -1, STR_TERMINATE); /* password */
248 SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
251 p += clistr_push(cli, p, pass, -1, STR_UNICODE|STR_TERMINATE); /* unicode password */
252 SSVAL(cli->outbuf,smb_vwv8,PTR_DIFF(p, smb_buf(cli->outbuf)));
255 p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
256 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
257 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
258 p += clistr_push(cli, p, lanman, -1, STR_TERMINATE);
259 cli_setup_bcc(cli, p);
261 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
262 return cli_nt_error(cli);
265 show_msg(cli->inbuf);
267 if (cli_is_error(cli)) {
268 return cli_nt_error(cli);
271 cli->vuid = SVAL(cli->inbuf,smb_uid);
272 p = smb_buf(cli->inbuf);
273 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
274 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
275 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
276 fstrcpy(cli->user_name, user);
278 if (strstr(cli->server_type, "Samba")) {
279 cli->is_samba = True;
285 /****************************************************************************
286 do a NT1 NTLM/LM encrypted session setup - for when extended security
288 @param cli client state to create do session setup on
290 @param pass *either* cleartext password (passlen !=24) or LM response.
291 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
292 @param workgroup The user's domain.
293 ****************************************************************************/
295 static NTSTATUS cli_session_setup_nt1(struct cli_state *cli, const char *user,
296 const char *pass, size_t passlen,
297 const char *ntpass, size_t ntpasslen,
298 const char *workgroup)
300 uint32 capabilities = cli_session_setup_capabilities(cli);
301 DATA_BLOB lm_response = data_blob_null;
302 DATA_BLOB nt_response = data_blob_null;
303 DATA_BLOB session_key = data_blob_null;
308 /* do nothing - guest login */
309 } else if (passlen != 24) {
310 if (lp_client_ntlmv2_auth()) {
311 DATA_BLOB server_chal;
312 DATA_BLOB names_blob;
313 server_chal = data_blob(cli->secblob.data, MIN(cli->secblob.length, 8));
315 /* note that the 'workgroup' here is a best guess - we don't know
316 the server's domain at this point. The 'server name' is also
319 names_blob = NTLMv2_generate_names_blob(cli->called.name, workgroup);
321 if (!SMBNTLMv2encrypt(user, workgroup, pass, &server_chal,
323 &lm_response, &nt_response, &session_key)) {
324 data_blob_free(&names_blob);
325 data_blob_free(&server_chal);
326 return NT_STATUS_ACCESS_DENIED;
328 data_blob_free(&names_blob);
329 data_blob_free(&server_chal);
333 E_md4hash(pass, nt_hash);
336 nt_response = data_blob_null;
338 nt_response = data_blob(NULL, 24);
339 SMBNTencrypt(pass,cli->secblob.data,nt_response.data);
341 /* non encrypted password supplied. Ignore ntpass. */
342 if (lp_client_lanman_auth()) {
343 lm_response = data_blob(NULL, 24);
344 if (!SMBencrypt(pass,cli->secblob.data, lm_response.data)) {
345 /* Oops, the LM response is invalid, just put
346 the NT response there instead */
347 data_blob_free(&lm_response);
348 lm_response = data_blob(nt_response.data, nt_response.length);
351 /* LM disabled, place NT# in LM field instead */
352 lm_response = data_blob(nt_response.data, nt_response.length);
355 session_key = data_blob(NULL, 16);
357 E_deshash(pass, session_key.data);
358 memset(&session_key.data[8], '\0', 8);
360 SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
364 cli_simple_set_signing(cli, session_key, lm_response);
366 cli_simple_set_signing(cli, session_key, nt_response);
369 /* pre-encrypted password supplied. Only used for
370 security=server, can't do
371 signing because we don't have original key */
373 lm_response = data_blob(pass, passlen);
374 nt_response = data_blob(ntpass, ntpasslen);
377 /* send a session setup command */
378 memset(cli->outbuf,'\0',smb_size);
380 set_message(cli->outbuf,13,0,True);
381 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
382 cli_setup_packet(cli);
384 SCVAL(cli->outbuf,smb_vwv0,0xFF);
385 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
386 SSVAL(cli->outbuf,smb_vwv3,2);
387 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
388 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
389 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
390 SSVAL(cli->outbuf,smb_vwv8,nt_response.length);
391 SIVAL(cli->outbuf,smb_vwv11,capabilities);
392 p = smb_buf(cli->outbuf);
393 if (lm_response.length) {
394 memcpy(p,lm_response.data, lm_response.length); p += lm_response.length;
396 if (nt_response.length) {
397 memcpy(p,nt_response.data, nt_response.length); p += nt_response.length;
399 p += clistr_push(cli, p, user, -1, STR_TERMINATE);
401 /* Upper case here might help some NTLMv2 implementations */
402 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
403 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
404 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
405 cli_setup_bcc(cli, p);
407 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
408 result = cli_nt_error(cli);
412 /* show_msg(cli->inbuf); */
414 if (cli_is_error(cli)) {
415 result = cli_nt_error(cli);
419 /* use the returned vuid from now on */
420 cli->vuid = SVAL(cli->inbuf,smb_uid);
422 p = smb_buf(cli->inbuf);
423 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
424 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
425 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
427 if (strstr(cli->server_type, "Samba")) {
428 cli->is_samba = True;
431 fstrcpy(cli->user_name, user);
433 if (session_key.data) {
434 /* Have plaintext orginal */
435 cli_set_session_key(cli, session_key);
438 result = NT_STATUS_OK;
440 data_blob_free(&lm_response);
441 data_blob_free(&nt_response);
442 data_blob_free(&session_key);
446 /****************************************************************************
447 Send a extended security session setup blob
448 ****************************************************************************/
450 static bool cli_session_setup_blob_send(struct cli_state *cli, DATA_BLOB blob)
452 uint32 capabilities = cli_session_setup_capabilities(cli);
455 capabilities |= CAP_EXTENDED_SECURITY;
457 /* send a session setup command */
458 memset(cli->outbuf,'\0',smb_size);
460 set_message(cli->outbuf,12,0,True);
461 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
463 cli_setup_packet(cli);
465 SCVAL(cli->outbuf,smb_vwv0,0xFF);
466 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
467 SSVAL(cli->outbuf,smb_vwv3,2);
468 SSVAL(cli->outbuf,smb_vwv4,1);
469 SIVAL(cli->outbuf,smb_vwv5,0);
470 SSVAL(cli->outbuf,smb_vwv7,blob.length);
471 SIVAL(cli->outbuf,smb_vwv10,capabilities);
472 p = smb_buf(cli->outbuf);
473 memcpy(p, blob.data, blob.length);
475 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
476 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
477 cli_setup_bcc(cli, p);
478 return cli_send_smb(cli);
481 /****************************************************************************
482 Send a extended security session setup blob, returning a reply blob.
483 ****************************************************************************/
485 static DATA_BLOB cli_session_setup_blob_receive(struct cli_state *cli)
487 DATA_BLOB blob2 = data_blob_null;
491 if (!cli_receive_smb(cli))
494 show_msg(cli->inbuf);
496 if (cli_is_error(cli) && !NT_STATUS_EQUAL(cli_nt_error(cli),
497 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
501 /* use the returned vuid from now on */
502 cli->vuid = SVAL(cli->inbuf,smb_uid);
504 p = smb_buf(cli->inbuf);
506 blob2 = data_blob(p, SVAL(cli->inbuf, smb_vwv3));
509 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
511 /* w2k with kerberos doesn't properly null terminate this field */
512 len = smb_buflen(cli->inbuf) - PTR_DIFF(p, smb_buf(cli->inbuf));
513 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), len, 0);
519 /****************************************************************************
520 Send a extended security session setup blob, returning a reply blob.
521 ****************************************************************************/
523 /* The following is calculated from :
525 * (smb_wcnt * 2) = 24 (smb_wcnt == 12 in cli_session_setup_blob_send() )
526 * (strlen("Unix") + 1 + strlen("Samba") + 1) * 2 = 22 (unicode strings at
530 #define BASE_SESSSETUP_BLOB_PACKET_SIZE (35 + 24 + 22)
532 static bool cli_session_setup_blob(struct cli_state *cli, DATA_BLOB blob, DATA_BLOB session_key_krb5)
534 int32 remaining = blob.length;
536 DATA_BLOB send_blob = data_blob_null;
537 int32 max_blob_size = 0;
538 DATA_BLOB receive_blob = data_blob_null;
540 if (cli->max_xmit < BASE_SESSSETUP_BLOB_PACKET_SIZE + 1) {
541 DEBUG(0,("cli_session_setup_blob: cli->max_xmit too small "
542 "(was %u, need minimum %u)\n",
543 (unsigned int)cli->max_xmit,
544 BASE_SESSSETUP_BLOB_PACKET_SIZE));
545 cli_set_nt_error(cli, NT_STATUS_INVALID_PARAMETER);
549 max_blob_size = cli->max_xmit - BASE_SESSSETUP_BLOB_PACKET_SIZE;
551 while ( remaining > 0) {
552 if (remaining >= max_blob_size) {
553 send_blob.length = max_blob_size;
554 remaining -= max_blob_size;
556 DATA_BLOB null_blob = data_blob_null;
558 send_blob.length = remaining;
561 /* This is the last packet in the sequence - turn signing on. */
562 cli_simple_set_signing(cli, session_key_krb5, null_blob);
565 send_blob.data = &blob.data[cur];
566 cur += send_blob.length;
568 DEBUG(10, ("cli_session_setup_blob: Remaining (%u) sending (%u) current (%u)\n",
569 (unsigned int)remaining,
570 (unsigned int)send_blob.length,
571 (unsigned int)cur ));
573 if (!cli_session_setup_blob_send(cli, send_blob)) {
574 DEBUG(0, ("cli_session_setup_blob: send failed\n"));
578 receive_blob = cli_session_setup_blob_receive(cli);
579 data_blob_free(&receive_blob);
581 if (cli_is_error(cli) &&
582 !NT_STATUS_EQUAL( cli_get_nt_error(cli),
583 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
584 DEBUG(0, ("cli_session_setup_blob: recieve failed (%s)\n",
585 nt_errstr(cli_get_nt_error(cli)) ));
594 /****************************************************************************
595 Use in-memory credentials cache
596 ****************************************************************************/
598 static void use_in_memory_ccache(void) {
599 setenv(KRB5_ENV_CCNAME, "MEMORY:cliconnect", 1);
602 /****************************************************************************
603 Do a spnego/kerberos encrypted session setup.
604 ****************************************************************************/
606 static ADS_STATUS cli_session_setup_kerberos(struct cli_state *cli, const char *principal, const char *workgroup)
608 DATA_BLOB negTokenTarg;
609 DATA_BLOB session_key_krb5;
612 DEBUG(2,("Doing kerberos session setup\n"));
614 /* generate the encapsulated kerberos5 ticket */
615 rc = spnego_gen_negTokenTarg(principal, 0, &negTokenTarg, &session_key_krb5, 0, NULL);
618 DEBUG(1, ("cli_session_setup_kerberos: spnego_gen_negTokenTarg failed: %s\n",
620 return ADS_ERROR_KRB5(rc);
624 file_save("negTokenTarg.dat", negTokenTarg.data, negTokenTarg.length);
627 if (!cli_session_setup_blob(cli, negTokenTarg, session_key_krb5)) {
628 data_blob_free(&negTokenTarg);
629 data_blob_free(&session_key_krb5);
630 ADS_ERROR_NT(cli_nt_error(cli));
633 cli_set_session_key(cli, session_key_krb5);
635 data_blob_free(&negTokenTarg);
636 data_blob_free(&session_key_krb5);
638 if (cli_is_error(cli)) {
639 if (NT_STATUS_IS_OK(cli_nt_error(cli))) {
640 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
643 return ADS_ERROR_NT(cli_nt_error(cli));
645 #endif /* HAVE_KRB5 */
648 /****************************************************************************
649 Do a spnego/NTLMSSP encrypted session setup.
650 ****************************************************************************/
652 static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli, const char *user,
653 const char *pass, const char *domain)
655 struct ntlmssp_state *ntlmssp_state;
659 DATA_BLOB blob = data_blob_null;
660 DATA_BLOB blob_in = data_blob_null;
661 DATA_BLOB blob_out = data_blob_null;
663 cli_temp_set_signing(cli);
665 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_client_start(&ntlmssp_state))) {
668 ntlmssp_want_feature(ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
670 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_username(ntlmssp_state, user))) {
673 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_domain(ntlmssp_state, domain))) {
676 if (!NT_STATUS_IS_OK(nt_status = ntlmssp_set_password(ntlmssp_state, pass))) {
681 nt_status = ntlmssp_update(ntlmssp_state,
683 data_blob_free(&blob_in);
684 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED) || NT_STATUS_IS_OK(nt_status)) {
686 /* and wrap it in a SPNEGO wrapper */
687 msg1 = gen_negTokenInit(OID_NTLMSSP, blob_out);
689 /* wrap it in SPNEGO */
690 msg1 = spnego_gen_auth(blob_out);
693 /* now send that blob on its way */
694 if (!cli_session_setup_blob_send(cli, msg1)) {
695 DEBUG(3, ("Failed to send NTLMSSP/SPNEGO blob to server!\n"));
696 nt_status = NT_STATUS_UNSUCCESSFUL;
698 blob = cli_session_setup_blob_receive(cli);
700 nt_status = cli_nt_error(cli);
701 if (cli_is_error(cli) && NT_STATUS_IS_OK(nt_status)) {
702 if (cli->smb_rw_error == READ_BAD_SIG) {
703 nt_status = NT_STATUS_ACCESS_DENIED;
705 nt_status = NT_STATUS_UNSUCCESSFUL;
709 data_blob_free(&msg1);
713 if (NT_STATUS_IS_OK(nt_status)) {
714 nt_status = NT_STATUS_UNSUCCESSFUL;
716 } else if ((turn == 1) &&
717 NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
718 DATA_BLOB tmp_blob = data_blob_null;
719 /* the server might give us back two challenges */
720 if (!spnego_parse_challenge(blob, &blob_in,
722 DEBUG(3,("Failed to parse challenges\n"));
723 nt_status = NT_STATUS_INVALID_PARAMETER;
725 data_blob_free(&tmp_blob);
727 if (!spnego_parse_auth_response(blob, nt_status, OID_NTLMSSP,
729 DEBUG(3,("Failed to parse auth response\n"));
730 if (NT_STATUS_IS_OK(nt_status)
731 || NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED))
732 nt_status = NT_STATUS_INVALID_PARAMETER;
735 data_blob_free(&blob);
736 data_blob_free(&blob_out);
738 } while (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED));
740 data_blob_free(&blob_in);
742 if (NT_STATUS_IS_OK(nt_status)) {
744 DATA_BLOB key = data_blob(ntlmssp_state->session_key.data,
745 ntlmssp_state->session_key.length);
746 DATA_BLOB null_blob = data_blob_null;
749 fstrcpy(cli->server_domain, ntlmssp_state->server_domain);
750 cli_set_session_key(cli, ntlmssp_state->session_key);
752 res = cli_simple_set_signing(cli, key, null_blob);
754 data_blob_free(&key);
758 /* 'resign' the last message, so we get the right sequence numbers
759 for checking the first reply from the server */
760 cli_calculate_sign_mac(cli);
762 if (!cli_check_sign_mac(cli)) {
763 nt_status = NT_STATUS_ACCESS_DENIED;
768 /* we have a reference conter on ntlmssp_state, if we are signing
769 then the state will be kept by the signing engine */
771 ntlmssp_end(&ntlmssp_state);
773 if (!NT_STATUS_IS_OK(nt_status)) {
779 /****************************************************************************
780 Do a spnego encrypted session setup.
781 ****************************************************************************/
783 ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
784 const char *pass, const char *domain)
787 char *OIDs[ASN1_MAX_OIDS];
789 bool got_kerberos_mechanism = False;
792 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli->secblob.length));
794 /* the server might not even do spnego */
795 if (cli->secblob.length <= 16) {
796 DEBUG(3,("server didn't supply a full spnego negprot\n"));
801 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
804 /* there is 16 bytes of GUID before the real spnego packet starts */
805 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
807 /* the server sent us the first part of the SPNEGO exchange in the negprot
809 if (!spnego_parse_negTokenInit(blob, OIDs, &principal)) {
810 data_blob_free(&blob);
811 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
813 data_blob_free(&blob);
815 /* make sure the server understands kerberos */
816 for (i=0;OIDs[i];i++) {
817 DEBUG(3,("got OID=%s\n", OIDs[i]));
818 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
819 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
820 got_kerberos_mechanism = True;
825 DEBUG(3,("got principal=%s\n", principal ? principal : "<null>"));
827 if (got_kerberos_mechanism && (principal == NULL)) {
829 * It is WRONG to depend on the principal sent in the negprot
830 * reply, but right now we do it. So for safety (don't
831 * segfault later) disable Kerberos when no principal was
834 DEBUG(1, ("Kerberos mech was offered, but no principal was "
835 "sent, disabling Kerberos\n"));
836 cli->use_kerberos = False;
839 fstrcpy(cli->user_name, user);
842 /* If password is set we reauthenticate to kerberos server
843 * and do not store results */
845 if (got_kerberos_mechanism && cli->use_kerberos) {
851 use_in_memory_ccache();
852 ret = kerberos_kinit_password(user, pass, 0 /* no time correction for now */, NULL);
855 SAFE_FREE(principal);
856 DEBUG(0, ("Kinit failed: %s\n", error_message(ret)));
857 if (cli->fallback_after_kerberos)
859 return ADS_ERROR_KRB5(ret);
863 rc = cli_session_setup_kerberos(cli, principal, domain);
864 if (ADS_ERR_OK(rc) || !cli->fallback_after_kerberos) {
865 SAFE_FREE(principal);
871 SAFE_FREE(principal);
875 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli, user, pass, domain));
878 /****************************************************************************
879 Send a session setup. The username and workgroup is in UNIX character
880 format and must be converted to DOS codepage format before sending. If the
881 password is in plaintext, the same should be done.
882 ****************************************************************************/
884 NTSTATUS cli_session_setup(struct cli_state *cli,
886 const char *pass, int passlen,
887 const char *ntpass, int ntpasslen,
888 const char *workgroup)
893 /* allow for workgroups as part of the username */
894 fstrcpy(user2, user);
895 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
896 (p=strchr_m(user2,*lp_winbind_separator()))) {
902 if (cli->protocol < PROTOCOL_LANMAN1) {
906 /* now work out what sort of session setup we are going to
907 do. I have split this into separate functions to make the
908 flow a bit easier to understand (tridge) */
910 /* if its an older server then we have to use the older request format */
912 if (cli->protocol < PROTOCOL_NT1) {
913 if (!lp_client_lanman_auth() && passlen != 24 && (*pass)) {
914 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
916 return NT_STATUS_ACCESS_DENIED;
919 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0 &&
920 !lp_client_plaintext_auth() && (*pass)) {
921 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
923 return NT_STATUS_ACCESS_DENIED;
926 return cli_session_setup_lanman2(cli, user, pass, passlen,
930 /* if no user is supplied then we have to do an anonymous connection.
931 passwords are ignored */
934 return cli_session_setup_guest(cli);
936 /* if the server is share level then send a plaintext null
937 password at this point. The password is sent in the tree
940 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
941 return cli_session_setup_plaintext(cli, user, "", workgroup);
943 /* if the server doesn't support encryption then we have to use
944 plaintext. The second password is ignored */
946 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0) {
947 if (!lp_client_plaintext_auth() && (*pass)) {
948 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
950 return NT_STATUS_ACCESS_DENIED;
952 return cli_session_setup_plaintext(cli, user, pass, workgroup);
955 /* if the server supports extended security then use SPNEGO */
957 if (cli->capabilities & CAP_EXTENDED_SECURITY) {
958 ADS_STATUS status = cli_session_setup_spnego(cli, user, pass, workgroup);
959 if (!ADS_ERR_OK(status)) {
960 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status)));
961 return ads_ntstatus(status);
966 /* otherwise do a NT1 style session setup */
967 status = cli_session_setup_nt1(cli, user, pass, passlen,
968 ntpass, ntpasslen, workgroup);
969 if (!NT_STATUS_IS_OK(status)) {
970 DEBUG(3,("cli_session_setup: NT1 session setup "
971 "failed: %s\n", nt_errstr(status)));
976 if (strstr(cli->server_type, "Samba")) {
977 cli->is_samba = True;
984 /****************************************************************************
986 *****************************************************************************/
988 bool cli_ulogoff(struct cli_state *cli)
990 memset(cli->outbuf,'\0',smb_size);
991 set_message(cli->outbuf,2,0,True);
992 SCVAL(cli->outbuf,smb_com,SMBulogoffX);
993 cli_setup_packet(cli);
994 SSVAL(cli->outbuf,smb_vwv0,0xFF);
995 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
998 if (!cli_receive_smb(cli))
1001 if (cli_is_error(cli)) {
1009 /****************************************************************************
1011 ****************************************************************************/
1013 bool cli_send_tconX(struct cli_state *cli,
1014 const char *share, const char *dev, const char *pass, int passlen)
1016 fstring fullshare, pword;
1018 memset(cli->outbuf,'\0',smb_size);
1019 memset(cli->inbuf,'\0',smb_size);
1021 fstrcpy(cli->share, share);
1023 /* in user level security don't send a password now */
1024 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
1028 DEBUG(1, ("Server not using user level security and no password supplied.\n"));
1032 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) &&
1033 *pass && passlen != 24) {
1034 if (!lp_client_lanman_auth()) {
1035 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
1041 * Non-encrypted passwords - convert to DOS codepage before encryption.
1044 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
1046 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
1047 if (!lp_client_plaintext_auth() && (*pass)) {
1048 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1054 * Non-encrypted passwords - convert to DOS codepage before using.
1056 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
1060 memcpy(pword, pass, passlen);
1065 slprintf(fullshare, sizeof(fullshare)-1,
1066 "\\\\%s\\%s", cli->desthost, share);
1068 set_message(cli->outbuf,4, 0, True);
1069 SCVAL(cli->outbuf,smb_com,SMBtconX);
1070 cli_setup_packet(cli);
1072 SSVAL(cli->outbuf,smb_vwv0,0xFF);
1073 SSVAL(cli->outbuf,smb_vwv2,TCONX_FLAG_EXTENDED_RESPONSE);
1074 SSVAL(cli->outbuf,smb_vwv3,passlen);
1076 p = smb_buf(cli->outbuf);
1078 memcpy(p,pword,passlen);
1081 p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
1082 p += clistr_push(cli, p, dev, -1, STR_TERMINATE |STR_UPPER | STR_ASCII);
1084 cli_setup_bcc(cli, p);
1087 if (!cli_receive_smb(cli))
1090 if (cli_is_error(cli))
1093 clistr_pull(cli, cli->dev, smb_buf(cli->inbuf), sizeof(fstring), -1, STR_TERMINATE|STR_ASCII);
1095 if (cli->protocol >= PROTOCOL_NT1 &&
1096 smb_buflen(cli->inbuf) == 3) {
1097 /* almost certainly win95 - enable bug fixes */
1101 /* Make sure that we have the optional support 16-bit field. WCT > 2 */
1102 /* Avoids issues when connecting to Win9x boxes sharing files */
1104 cli->dfsroot = False;
1105 if ( (CVAL(cli->inbuf, smb_wct))>2 && cli->protocol >= PROTOCOL_LANMAN2 )
1106 cli->dfsroot = (SVAL( cli->inbuf, smb_vwv2 ) & SMB_SHARE_IN_DFS) ? True : False;
1108 cli->cnum = SVAL(cli->inbuf,smb_tid);
1112 /****************************************************************************
1113 Send a tree disconnect.
1114 ****************************************************************************/
1116 bool cli_tdis(struct cli_state *cli)
1118 memset(cli->outbuf,'\0',smb_size);
1119 set_message(cli->outbuf,0,0,True);
1120 SCVAL(cli->outbuf,smb_com,SMBtdis);
1121 SSVAL(cli->outbuf,smb_tid,cli->cnum);
1122 cli_setup_packet(cli);
1125 if (!cli_receive_smb(cli))
1128 if (cli_is_error(cli)) {
1136 /****************************************************************************
1137 Send a negprot command.
1138 ****************************************************************************/
1140 void cli_negprot_send(struct cli_state *cli)
1145 if (cli->protocol < PROTOCOL_NT1)
1146 cli->use_spnego = False;
1148 memset(cli->outbuf,'\0',smb_size);
1150 /* setup the protocol strings */
1151 set_message(cli->outbuf,0,0,True);
1153 p = smb_buf(cli->outbuf);
1155 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1158 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1161 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1162 cli_setup_bcc(cli, p);
1163 cli_setup_packet(cli);
1165 SCVAL(smb_buf(cli->outbuf),0,2);
1170 /****************************************************************************
1171 Send a negprot command.
1172 ****************************************************************************/
1174 bool cli_negprot(struct cli_state *cli)
1180 if (cli->protocol < PROTOCOL_NT1)
1181 cli->use_spnego = False;
1183 memset(cli->outbuf,'\0',smb_size);
1185 /* setup the protocol strings */
1186 for (plength=0,numprots=0;
1187 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1189 plength += strlen(prots[numprots].name)+2;
1191 set_message(cli->outbuf,0,plength,True);
1193 p = smb_buf(cli->outbuf);
1195 prots[numprots].name && prots[numprots].prot<=cli->protocol;
1198 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1201 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1202 cli_setup_packet(cli);
1204 SCVAL(smb_buf(cli->outbuf),0,2);
1207 if (!cli_receive_smb(cli))
1210 show_msg(cli->inbuf);
1212 if (cli_is_error(cli) ||
1213 ((int)SVAL(cli->inbuf,smb_vwv0) >= numprots)) {
1217 cli->protocol = prots[SVAL(cli->inbuf,smb_vwv0)].prot;
1219 if ((cli->protocol < PROTOCOL_NT1) && cli->sign_info.mandatory_signing) {
1220 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1224 if (cli->protocol >= PROTOCOL_NT1) {
1227 cli->sec_mode = CVAL(cli->inbuf,smb_vwv1);
1228 cli->max_mux = SVAL(cli->inbuf, smb_vwv1+1);
1229 cli->max_xmit = IVAL(cli->inbuf,smb_vwv3+1);
1230 cli->sesskey = IVAL(cli->inbuf,smb_vwv7+1);
1231 cli->serverzone = SVALS(cli->inbuf,smb_vwv15+1);
1232 cli->serverzone *= 60;
1233 /* this time arrives in real GMT */
1234 ts = interpret_long_date(cli->inbuf+smb_vwv11+1);
1235 cli->servertime = ts.tv_sec;
1236 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1237 cli->capabilities = IVAL(cli->inbuf,smb_vwv9+1);
1238 if (cli->capabilities & CAP_RAW_MODE) {
1239 cli->readbraw_supported = True;
1240 cli->writebraw_supported = True;
1242 /* work out if they sent us a workgroup */
1243 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
1244 smb_buflen(cli->inbuf) > 8) {
1245 clistr_pull(cli, cli->server_domain,
1246 smb_buf(cli->inbuf)+8, sizeof(cli->server_domain),
1247 smb_buflen(cli->inbuf)-8, STR_UNICODE|STR_NOALIGN);
1251 * As signing is slow we only turn it on if either the client or
1252 * the server require it. JRA.
1255 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
1256 /* Fail if server says signing is mandatory and we don't want to support it. */
1257 if (!cli->sign_info.allow_smb_signing) {
1258 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1261 cli->sign_info.negotiated_smb_signing = True;
1262 cli->sign_info.mandatory_signing = True;
1263 } else if (cli->sign_info.mandatory_signing && cli->sign_info.allow_smb_signing) {
1264 /* Fail if client says signing is mandatory and the server doesn't support it. */
1265 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
1266 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1269 cli->sign_info.negotiated_smb_signing = True;
1270 cli->sign_info.mandatory_signing = True;
1271 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
1272 cli->sign_info.negotiated_smb_signing = True;
1275 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
1276 SAFE_FREE(cli->outbuf);
1277 SAFE_FREE(cli->inbuf);
1278 cli->outbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1279 cli->inbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+SAFETY_MARGIN);
1280 cli->bufsize = CLI_SAMBA_MAX_LARGE_READX_SIZE;
1283 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
1284 cli->use_spnego = False;
1285 cli->sec_mode = SVAL(cli->inbuf,smb_vwv1);
1286 cli->max_xmit = SVAL(cli->inbuf,smb_vwv2);
1287 cli->max_mux = SVAL(cli->inbuf, smb_vwv3);
1288 cli->sesskey = IVAL(cli->inbuf,smb_vwv6);
1289 cli->serverzone = SVALS(cli->inbuf,smb_vwv10);
1290 cli->serverzone *= 60;
1291 /* this time is converted to GMT by make_unix_date */
1292 cli->servertime = cli_make_unix_date(cli,cli->inbuf+smb_vwv8);
1293 cli->readbraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x1) != 0);
1294 cli->writebraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x2) != 0);
1295 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
1297 /* the old core protocol */
1298 cli->use_spnego = False;
1300 cli->serverzone = get_time_zone(time(NULL));
1303 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
1305 /* a way to force ascii SMB */
1306 if (getenv("CLI_FORCE_ASCII"))
1307 cli->capabilities &= ~CAP_UNICODE;
1312 /****************************************************************************
1313 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1314 ****************************************************************************/
1316 bool cli_session_request(struct cli_state *cli,
1317 struct nmb_name *calling, struct nmb_name *called)
1322 memcpy(&(cli->calling), calling, sizeof(*calling));
1323 memcpy(&(cli->called ), called , sizeof(*called ));
1325 /* put in the destination name */
1326 p = cli->outbuf+len;
1327 name_mangle(cli->called .name, p, cli->called .name_type);
1331 p = cli->outbuf+len;
1332 name_mangle(cli->calling.name, p, cli->calling.name_type);
1335 /* 445 doesn't have session request */
1336 if (cli->port == 445)
1339 /* send a session request (RFC 1002) */
1340 /* setup the packet length
1341 * Remove four bytes from the length count, since the length
1342 * field in the NBT Session Service header counts the number
1343 * of bytes which follow. The cli_send_smb() function knows
1344 * about this and accounts for those four bytes.
1348 _smb_setlen(cli->outbuf,len);
1349 SCVAL(cli->outbuf,0,0x81);
1352 DEBUG(5,("Sent session request\n"));
1354 if (!cli_receive_smb(cli))
1357 if (CVAL(cli->inbuf,0) == 0x84) {
1358 /* C. Hoch 9/14/95 Start */
1359 /* For information, here is the response structure.
1360 * We do the byte-twiddling to for portability.
1361 struct RetargetResponse{
1363 unsigned char flags;
1369 uint16_t port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
1370 struct in_addr dest_ip;
1372 /* SESSION RETARGET */
1373 putip((char *)&dest_ip,cli->inbuf+4);
1374 in_addr_to_sockaddr_storage(&cli->dest_ss, dest_ip);
1376 cli->fd = open_socket_out(SOCK_STREAM,
1379 LONG_CONNECT_TIMEOUT);
1383 DEBUG(3,("Retargeted\n"));
1385 set_socket_options(cli->fd,user_socket_options);
1392 DEBUG(0,("Retarget recursion - failing\n"));
1396 ret = cli_session_request(cli, calling, called);
1400 } /* C. Hoch 9/14/95 End */
1402 if (CVAL(cli->inbuf,0) != 0x82) {
1403 /* This is the wrong place to put the error... JRA. */
1404 cli->rap_error = CVAL(cli->inbuf,4);
1410 /****************************************************************************
1411 Open the client sockets.
1412 ****************************************************************************/
1414 NTSTATUS cli_connect(struct cli_state *cli,
1416 struct sockaddr_storage *dest_ss)
1419 int name_type = 0x20;
1422 /* reasonable default hostname */
1424 host = "*SMBSERVER";
1427 fstrcpy(cli->desthost, host);
1429 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1430 if ((p = strchr(cli->desthost, '#'))) {
1431 name_type = strtol(p+1, NULL, 16);
1435 if (!dest_ss || is_zero_addr(dest_ss)) {
1436 if (!resolve_name(cli->desthost, &cli->dest_ss, name_type)) {
1437 return NT_STATUS_BAD_NETWORK_NAME;
1440 *dest_ss = cli->dest_ss;
1443 cli->dest_ss = *dest_ss;
1446 if (getenv("LIBSMB_PROG")) {
1447 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
1449 /* try 445 first, then 139 */
1450 uint16_t port = cli->port?cli->port:445;
1451 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ss,
1452 port, cli->timeout);
1453 if (cli->fd == -1 && cli->port == 0) {
1455 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ss,
1456 port, cli->timeout);
1458 if (cli->fd != -1) {
1462 if (cli->fd == -1) {
1463 char addr[INET6_ADDRSTRLEN];
1465 print_sockaddr(addr, sizeof(addr), dest_ss);
1467 DEBUG(1,("Error connecting to %s (%s)\n",
1468 dest_ss?addr:host,strerror(errno)));
1469 return map_nt_error_from_unix(errno);
1472 set_socket_options(cli->fd,user_socket_options);
1474 return NT_STATUS_OK;
1478 establishes a connection to after the negprot.
1479 @param output_cli A fully initialised cli structure, non-null only on success
1480 @param dest_host The netbios name of the remote host
1481 @param dest_ss (optional) The the destination IP, NULL for name based lookup
1482 @param port (optional) The destination port (0 for default)
1483 @param retry bool. Did this connection fail with a retryable error ?
1486 NTSTATUS cli_start_connection(struct cli_state **output_cli,
1487 const char *my_name,
1488 const char *dest_host,
1489 struct sockaddr_storage *dest_ss, int port,
1490 int signing_state, int flags,
1494 struct nmb_name calling;
1495 struct nmb_name called;
1496 struct cli_state *cli;
1497 struct sockaddr_storage ss;
1503 my_name = global_myname();
1505 if (!(cli = cli_initialise())) {
1506 return NT_STATUS_NO_MEMORY;
1509 make_nmb_name(&calling, my_name, 0x0);
1510 make_nmb_name(&called , dest_host, 0x20);
1512 if (cli_set_port(cli, port) != port) {
1514 return NT_STATUS_UNSUCCESSFUL;
1517 cli_set_timeout(cli, 10000); /* 10 seconds. */
1522 zero_addr(&ss, AF_INET);
1527 DEBUG(3,("Connecting to host=%s\n", dest_host));
1529 nt_status = cli_connect(cli, dest_host, &ss);
1530 if (!NT_STATUS_IS_OK(nt_status)) {
1531 char addr[INET6_ADDRSTRLEN];
1532 print_sockaddr(addr, sizeof(addr), &ss);
1533 DEBUG(1,("cli_start_connection: failed to connect to %s (%s). Error %s\n",
1534 nmb_namestr(&called), addr, nt_errstr(nt_status) ));
1542 if (!cli_session_request(cli, &calling, &called)) {
1544 DEBUG(1,("session request to %s failed (%s)\n",
1545 called.name, cli_errstr(cli)));
1546 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
1550 if (strcmp(called.name, "*SMBSERVER")) {
1551 make_nmb_name(&called , "*SMBSERVER", 0x20);
1554 return NT_STATUS_BAD_NETWORK_NAME;
1557 cli_setup_signing_state(cli, signing_state);
1559 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
1560 cli->use_spnego = False;
1561 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
1562 cli->use_kerberos = True;
1564 if (!cli_negprot(cli)) {
1565 DEBUG(1,("failed negprot\n"));
1566 nt_status = cli_nt_error(cli);
1567 if (NT_STATUS_IS_OK(nt_status)) {
1568 nt_status = NT_STATUS_UNSUCCESSFUL;
1575 return NT_STATUS_OK;
1580 establishes a connection right up to doing tconX, password specified.
1581 @param output_cli A fully initialised cli structure, non-null only on success
1582 @param dest_host The netbios name of the remote host
1583 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1584 @param port (optional) The destination port (0 for default)
1585 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1586 @param service_type The 'type' of serivice.
1587 @param user Username, unix string
1588 @param domain User's domain
1589 @param password User's password, unencrypted unix string.
1590 @param retry bool. Did this connection fail with a retryable error ?
1593 NTSTATUS cli_full_connection(struct cli_state **output_cli,
1594 const char *my_name,
1595 const char *dest_host,
1596 struct sockaddr_storage *dest_ss, int port,
1597 const char *service, const char *service_type,
1598 const char *user, const char *domain,
1599 const char *password, int flags,
1604 struct cli_state *cli = NULL;
1605 int pw_len = password ? strlen(password)+1 : 0;
1609 if (password == NULL) {
1613 nt_status = cli_start_connection(&cli, my_name, dest_host,
1614 dest_ss, port, signing_state,
1617 if (!NT_STATUS_IS_OK(nt_status)) {
1621 nt_status = cli_session_setup(cli, user, password, pw_len, password,
1623 if (!NT_STATUS_IS_OK(nt_status)) {
1625 if (!(flags & CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK)) {
1626 DEBUG(1,("failed session setup with %s\n",
1627 nt_errstr(nt_status)));
1632 nt_status = cli_session_setup(cli, "", "", 0, "", 0, domain);
1633 if (!NT_STATUS_IS_OK(nt_status)) {
1634 DEBUG(1,("anonymous failed session setup with %s\n",
1635 nt_errstr(nt_status)));
1642 if (!cli_send_tconX(cli, service, service_type, password, pw_len)) {
1643 nt_status = cli_nt_error(cli);
1644 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
1646 if (NT_STATUS_IS_OK(nt_status)) {
1647 nt_status = NT_STATUS_UNSUCCESSFUL;
1653 cli_init_creds(cli, user, domain, password);
1656 return NT_STATUS_OK;
1659 /****************************************************************************
1660 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1661 ****************************************************************************/
1663 bool attempt_netbios_session_request(struct cli_state **ppcli, const char *srchost, const char *desthost,
1664 struct sockaddr_storage *pdest_ss)
1666 struct nmb_name calling, called;
1668 make_nmb_name(&calling, srchost, 0x0);
1671 * If the called name is an IP address
1672 * then use *SMBSERVER immediately.
1675 if(is_ipaddress(desthost)) {
1676 make_nmb_name(&called, "*SMBSERVER", 0x20);
1678 make_nmb_name(&called, desthost, 0x20);
1681 if (!cli_session_request(*ppcli, &calling, &called)) {
1683 struct nmb_name smbservername;
1685 make_nmb_name(&smbservername , "*SMBSERVER", 0x20);
1688 * If the name wasn't *SMBSERVER then
1689 * try with *SMBSERVER if the first name fails.
1692 if (nmb_name_equal(&called, &smbservername)) {
1695 * The name used was *SMBSERVER, don't bother with another name.
1698 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1699 with error %s.\n", desthost, cli_errstr(*ppcli) ));
1704 cli_shutdown(*ppcli);
1706 *ppcli = cli_initialise();
1708 /* Out of memory... */
1712 status = cli_connect(*ppcli, desthost, pdest_ss);
1713 if (!NT_STATUS_IS_OK(status) ||
1714 !cli_session_request(*ppcli, &calling, &smbservername)) {
1715 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1716 name *SMBSERVER with error %s\n", desthost, cli_errstr(*ppcli) ));
1724 /****************************************************************************
1725 Send an old style tcon.
1726 ****************************************************************************/
1727 NTSTATUS cli_raw_tcon(struct cli_state *cli,
1728 const char *service, const char *pass, const char *dev,
1729 uint16 *max_xmit, uint16 *tid)
1733 if (!lp_client_plaintext_auth() && (*pass)) {
1734 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1736 return NT_STATUS_ACCESS_DENIED;
1739 memset(cli->outbuf,'\0',smb_size);
1740 memset(cli->inbuf,'\0',smb_size);
1742 set_message(cli->outbuf, 0, 0, True);
1743 SCVAL(cli->outbuf,smb_com,SMBtcon);
1744 cli_setup_packet(cli);
1746 p = smb_buf(cli->outbuf);
1747 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
1748 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
1749 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
1751 cli_setup_bcc(cli, p);
1754 if (!cli_receive_smb(cli)) {
1755 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1758 if (cli_is_error(cli)) {
1759 return cli_nt_error(cli);
1762 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
1763 *tid = SVAL(cli->inbuf, smb_vwv1);
1765 return NT_STATUS_OK;
1768 /* Return a cli_state pointing at the IPC$ share for the given server */
1770 struct cli_state *get_ipc_connect(char *server,
1771 struct sockaddr_storage *server_ss,
1772 struct user_auth_info *user_info)
1774 struct cli_state *cli;
1780 nt_status = cli_full_connection(&cli, myname, server, server_ss, 0, "IPC$", "IPC",
1781 user_info->username, lp_workgroup(), user_info->password,
1782 CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK, Undefined, NULL);
1784 if (NT_STATUS_IS_OK(nt_status)) {
1786 } else if (is_ipaddress(server)) {
1787 /* windows 9* needs a correct NMB name for connections */
1788 fstring remote_name;
1790 if (name_status_find("*", 0, 0, server_ss, remote_name)) {
1791 cli = get_ipc_connect(remote_name, server_ss, user_info);
1800 * Given the IP address of a master browser on the network, return its
1801 * workgroup and connect to it.
1803 * This function is provided to allow additional processing beyond what
1804 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1805 * browsers and obtain each master browsers' list of domains (in case the
1806 * first master browser is recently on the network and has not yet
1807 * synchronized with other master browsers and therefore does not yet have the
1808 * entire network browse list)
1811 struct cli_state *get_ipc_connect_master_ip(struct ip_service *mb_ip, pstring workgroup, struct user_auth_info *user_info)
1813 char addr[INET6_ADDRSTRLEN];
1814 static fstring name;
1815 struct cli_state *cli;
1816 struct sockaddr_storage server_ss;
1818 print_sockaddr(addr, sizeof(addr), &mb_ip->ss);
1819 DEBUG(99, ("Looking up name of master browser %s\n",
1823 * Do a name status query to find out the name of the master browser.
1824 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1825 * master browser will not respond to a wildcard query (or, at least,
1826 * an NT4 server acting as the domain master browser will not).
1828 * We might be able to use ONLY the query on MSBROWSE, but that's not
1829 * yet been tested with all Windows versions, so until it is, leave
1830 * the original wildcard query as the first choice and fall back to
1831 * MSBROWSE if the wildcard query fails.
1833 if (!name_status_find("*", 0, 0x1d, &mb_ip->ss, name) &&
1834 !name_status_find(MSBROWSE, 1, 0x1d, &mb_ip->ss, name)) {
1836 DEBUG(99, ("Could not retrieve name status for %s\n",
1841 if (!find_master_ip(name, &server_ss)) {
1842 DEBUG(99, ("Could not find master ip for %s\n", name));
1846 pstrcpy(workgroup, name);
1848 DEBUG(4, ("found master browser %s, %s\n", name, addr));
1850 print_sockaddr(addr, sizeof(addr), &server_ss);
1851 cli = get_ipc_connect(addr, &server_ss, user_info);
1857 * Return the IP address and workgroup of a master browser on the network, and
1861 struct cli_state *get_ipc_connect_master_ip_bcast(pstring workgroup, struct user_auth_info *user_info)
1863 struct ip_service *ip_list;
1864 struct cli_state *cli;
1867 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1869 /* Go looking for workgroups by broadcasting on the local network */
1871 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
1873 DEBUG(99, ("No master browsers responded\n"));
1877 for (i = 0; i < count; i++) {
1878 char addr[INET6_ADDRSTRLEN];
1879 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
1880 DEBUG(99, ("Found master browser %s\n", addr));
1882 cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, user_info);