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/>.
22 #include "../libcli/auth/libcli_auth.h"
23 #include "../libcli/auth/spnego.h"
31 {PROTOCOL_CORE, "PC NETWORK PROGRAM 1.0"},
32 {PROTOCOL_COREPLUS, "MICROSOFT NETWORKS 1.03"},
33 {PROTOCOL_LANMAN1, "MICROSOFT NETWORKS 3.0"},
34 {PROTOCOL_LANMAN1, "LANMAN1.0"},
35 {PROTOCOL_LANMAN2, "LM1.2X002"},
36 {PROTOCOL_LANMAN2, "DOS LANMAN2.1"},
37 {PROTOCOL_LANMAN2, "LANMAN2.1"},
38 {PROTOCOL_LANMAN2, "Samba"},
39 {PROTOCOL_NT1, "NT LANMAN 1.0"},
40 {PROTOCOL_NT1, "NT LM 0.12"},
43 #define STAR_SMBSERVER "*SMBSERVER"
46 * Set the user session key for a connection
47 * @param cli The cli structure to add it too
48 * @param session_key The session key used. (A copy of this is taken for the cli struct)
52 static void cli_set_session_key (struct cli_state *cli, const DATA_BLOB session_key)
54 cli->user_session_key = data_blob(session_key.data, session_key.length);
57 /****************************************************************************
58 Do an old lanman2 style session setup.
59 ****************************************************************************/
61 static NTSTATUS cli_session_setup_lanman2(struct cli_state *cli,
63 const char *pass, size_t passlen,
64 const char *workgroup)
66 DATA_BLOB session_key = data_blob_null;
67 DATA_BLOB lm_response = data_blob_null;
72 if (passlen > sizeof(pword)-1) {
73 return NT_STATUS_INVALID_PARAMETER;
76 /* LANMAN servers predate NT status codes and Unicode and ignore those
77 smb flags so we must disable the corresponding default capabilities
78 that would otherwise cause the Unicode and NT Status flags to be
79 set (and even returned by the server) */
81 cli->capabilities &= ~(CAP_UNICODE | CAP_STATUS32);
83 /* if in share level security then don't send a password now */
84 if (!(cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL))
87 if (passlen > 0 && (cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen != 24) {
88 /* Encrypted mode needed, and non encrypted password supplied. */
89 lm_response = data_blob(NULL, 24);
90 if (!SMBencrypt(pass, cli->secblob.data,(uchar *)lm_response.data)) {
91 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
92 return NT_STATUS_ACCESS_DENIED;
94 } else if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen == 24) {
95 /* Encrypted mode needed, and encrypted password supplied. */
96 lm_response = data_blob(pass, passlen);
97 } else if (passlen > 0) {
98 /* Plaintext mode needed, assume plaintext supplied. */
99 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
100 lm_response = data_blob(pass, passlen);
103 /* send a session setup command */
104 memset(cli->outbuf,'\0',smb_size);
105 cli_set_message(cli->outbuf,10, 0, True);
106 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
107 cli_setup_packet(cli);
109 SCVAL(cli->outbuf,smb_vwv0,0xFF);
110 SSVAL(cli->outbuf,smb_vwv2,cli->max_xmit);
111 SSVAL(cli->outbuf,smb_vwv3,2);
112 SSVAL(cli->outbuf,smb_vwv4,1);
113 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
114 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
116 p = smb_buf(cli->outbuf);
117 memcpy(p,lm_response.data,lm_response.length);
118 p += lm_response.length;
119 p += clistr_push(cli, p, user, -1, STR_TERMINATE|STR_UPPER);
120 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
121 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
122 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
123 cli_setup_bcc(cli, p);
125 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
126 return cli_nt_error(cli);
129 show_msg(cli->inbuf);
131 if (cli_is_error(cli)) {
132 return cli_nt_error(cli);
135 /* use the returned vuid from now on */
136 cli->vuid = SVAL(cli->inbuf,smb_uid);
137 status = cli_set_username(cli, user);
138 if (!NT_STATUS_IS_OK(status)) {
142 if (session_key.data) {
143 /* Have plaintext orginal */
144 cli_set_session_key(cli, session_key);
150 /****************************************************************************
151 Work out suitable capabilities to offer the server.
152 ****************************************************************************/
154 static uint32 cli_session_setup_capabilities(struct cli_state *cli)
156 uint32 capabilities = CAP_NT_SMBS;
158 if (!cli->force_dos_errors)
159 capabilities |= CAP_STATUS32;
161 if (cli->use_level_II_oplocks)
162 capabilities |= CAP_LEVEL_II_OPLOCKS;
164 capabilities |= (cli->capabilities & (CAP_UNICODE|CAP_LARGE_FILES|CAP_LARGE_READX|CAP_LARGE_WRITEX|CAP_DFS));
168 /****************************************************************************
169 Do a NT1 guest session setup.
170 ****************************************************************************/
172 struct cli_session_setup_guest_state {
173 struct cli_state *cli;
178 static void cli_session_setup_guest_done(struct tevent_req *subreq);
180 struct tevent_req *cli_session_setup_guest_create(TALLOC_CTX *mem_ctx,
181 struct event_context *ev,
182 struct cli_state *cli,
183 struct tevent_req **psmbreq)
185 struct tevent_req *req, *subreq;
186 struct cli_session_setup_guest_state *state;
190 req = tevent_req_create(mem_ctx, &state,
191 struct cli_session_setup_guest_state);
198 SCVAL(vwv+0, 0, 0xFF);
201 SSVAL(vwv+2, 0, CLI_BUFFER_SIZE);
203 SSVAL(vwv+4, 0, cli->pid);
204 SIVAL(vwv+5, 0, cli->sesskey);
209 SIVAL(vwv+11, 0, cli_session_setup_capabilities(cli));
211 bytes = talloc_array(state, uint8_t, 0);
213 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, /* username */
215 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, /* workgroup */
217 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "Unix", 5, NULL);
218 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "Samba", 6, NULL);
225 state->bytes.iov_base = (void *)bytes;
226 state->bytes.iov_len = talloc_get_size(bytes);
228 subreq = cli_smb_req_create(state, ev, cli, SMBsesssetupX, 0, 13, vwv,
230 if (subreq == NULL) {
234 tevent_req_set_callback(subreq, cli_session_setup_guest_done, req);
239 struct tevent_req *cli_session_setup_guest_send(TALLOC_CTX *mem_ctx,
240 struct event_context *ev,
241 struct cli_state *cli)
243 struct tevent_req *req, *subreq;
246 req = cli_session_setup_guest_create(mem_ctx, ev, cli, &subreq);
251 status = cli_smb_req_send(subreq);
252 if (NT_STATUS_IS_OK(status)) {
253 tevent_req_nterror(req, status);
254 return tevent_req_post(req, ev);
259 static void cli_session_setup_guest_done(struct tevent_req *subreq)
261 struct tevent_req *req = tevent_req_callback_data(
262 subreq, struct tevent_req);
263 struct cli_session_setup_guest_state *state = tevent_req_data(
264 req, struct cli_session_setup_guest_state);
265 struct cli_state *cli = state->cli;
272 status = cli_smb_recv(subreq, 0, NULL, NULL, &num_bytes, &bytes);
273 if (!NT_STATUS_IS_OK(status)) {
275 tevent_req_nterror(req, status);
279 inbuf = (char *)cli_smb_inbuf(subreq);
282 cli->vuid = SVAL(inbuf, smb_uid);
284 p += clistr_pull(inbuf, cli->server_os, (char *)p, sizeof(fstring),
285 bytes+num_bytes-p, STR_TERMINATE);
286 p += clistr_pull(inbuf, cli->server_type, (char *)p, sizeof(fstring),
287 bytes+num_bytes-p, STR_TERMINATE);
288 p += clistr_pull(inbuf, cli->server_domain, (char *)p, sizeof(fstring),
289 bytes+num_bytes-p, STR_TERMINATE);
291 if (strstr(cli->server_type, "Samba")) {
292 cli->is_samba = True;
297 status = cli_set_username(cli, "");
298 if (!NT_STATUS_IS_OK(status)) {
299 tevent_req_nterror(req, status);
302 tevent_req_done(req);
305 NTSTATUS cli_session_setup_guest_recv(struct tevent_req *req)
307 return tevent_req_simple_recv_ntstatus(req);
310 static NTSTATUS cli_session_setup_guest(struct cli_state *cli)
312 TALLOC_CTX *frame = talloc_stackframe();
313 struct event_context *ev;
314 struct tevent_req *req;
315 NTSTATUS status = NT_STATUS_OK;
317 if (cli_has_async_calls(cli)) {
319 * Can't use sync call while an async call is in flight
321 status = NT_STATUS_INVALID_PARAMETER;
325 ev = event_context_init(frame);
327 status = NT_STATUS_NO_MEMORY;
331 req = cli_session_setup_guest_send(frame, ev, cli);
333 status = NT_STATUS_NO_MEMORY;
337 if (!tevent_req_poll(req, ev)) {
338 status = map_nt_error_from_unix(errno);
342 status = cli_session_setup_guest_recv(req);
345 if (!NT_STATUS_IS_OK(status)) {
346 cli_set_error(cli, status);
351 /****************************************************************************
352 Do a NT1 plaintext session setup.
353 ****************************************************************************/
355 static NTSTATUS cli_session_setup_plaintext(struct cli_state *cli,
356 const char *user, const char *pass,
357 const char *workgroup)
359 uint32 capabilities = cli_session_setup_capabilities(cli);
364 fstr_sprintf( lanman, "Samba %s", samba_version_string());
366 memset(cli->outbuf, '\0', smb_size);
367 cli_set_message(cli->outbuf,13,0,True);
368 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
369 cli_setup_packet(cli);
371 SCVAL(cli->outbuf,smb_vwv0,0xFF);
372 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
373 SSVAL(cli->outbuf,smb_vwv3,2);
374 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
375 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
376 SSVAL(cli->outbuf,smb_vwv8,0);
377 SIVAL(cli->outbuf,smb_vwv11,capabilities);
378 p = smb_buf(cli->outbuf);
380 /* check wether to send the ASCII or UNICODE version of the password */
382 if ( (capabilities & CAP_UNICODE) == 0 ) {
383 p += clistr_push(cli, p, pass, -1, STR_TERMINATE); /* password */
384 SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
387 /* For ucs2 passwords clistr_push calls ucs2_align, which causes
388 * the space taken by the unicode password to be one byte too
389 * long (as we're on an odd byte boundary here). Reduce the
390 * count by 1 to cope with this. Fixes smbclient against NetApp
391 * servers which can't cope. Fix from
392 * bryan.kolodziej@allenlund.com in bug #3840.
394 p += clistr_push(cli, p, pass, -1, STR_UNICODE|STR_TERMINATE); /* unicode password */
395 SSVAL(cli->outbuf,smb_vwv8,PTR_DIFF(p, smb_buf(cli->outbuf))-1);
398 p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
399 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
400 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
401 p += clistr_push(cli, p, lanman, -1, STR_TERMINATE);
402 cli_setup_bcc(cli, p);
404 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
405 return cli_nt_error(cli);
408 show_msg(cli->inbuf);
410 if (cli_is_error(cli)) {
411 return cli_nt_error(cli);
414 cli->vuid = SVAL(cli->inbuf,smb_uid);
415 p = smb_buf(cli->inbuf);
416 p += clistr_pull(cli->inbuf, cli->server_os, p, sizeof(fstring),
418 p += clistr_pull(cli->inbuf, cli->server_type, p, sizeof(fstring),
420 p += clistr_pull(cli->inbuf, cli->server_domain, p, sizeof(fstring),
422 status = cli_set_username(cli, user);
423 if (!NT_STATUS_IS_OK(status)) {
426 if (strstr(cli->server_type, "Samba")) {
427 cli->is_samba = True;
433 /****************************************************************************
434 do a NT1 NTLM/LM encrypted session setup - for when extended security
436 @param cli client state to create do session setup on
438 @param pass *either* cleartext password (passlen !=24) or LM response.
439 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
440 @param workgroup The user's domain.
441 ****************************************************************************/
443 static NTSTATUS cli_session_setup_nt1(struct cli_state *cli, const char *user,
444 const char *pass, size_t passlen,
445 const char *ntpass, size_t ntpasslen,
446 const char *workgroup)
448 uint32 capabilities = cli_session_setup_capabilities(cli);
449 DATA_BLOB lm_response = data_blob_null;
450 DATA_BLOB nt_response = data_blob_null;
451 DATA_BLOB session_key = data_blob_null;
457 /* do nothing - guest login */
458 } else if (passlen != 24) {
459 if (lp_client_ntlmv2_auth()) {
460 DATA_BLOB server_chal;
461 DATA_BLOB names_blob;
462 server_chal = data_blob(cli->secblob.data, MIN(cli->secblob.length, 8));
464 /* note that the 'workgroup' here is a best guess - we don't know
465 the server's domain at this point. The 'server name' is also
468 names_blob = NTLMv2_generate_names_blob(NULL, cli->called.name, workgroup);
470 if (!SMBNTLMv2encrypt(NULL, user, workgroup, pass, &server_chal,
472 &lm_response, &nt_response, NULL, &session_key)) {
473 data_blob_free(&names_blob);
474 data_blob_free(&server_chal);
475 return NT_STATUS_ACCESS_DENIED;
477 data_blob_free(&names_blob);
478 data_blob_free(&server_chal);
482 E_md4hash(pass, nt_hash);
485 nt_response = data_blob_null;
487 nt_response = data_blob(NULL, 24);
488 SMBNTencrypt(pass,cli->secblob.data,nt_response.data);
490 /* non encrypted password supplied. Ignore ntpass. */
491 if (lp_client_lanman_auth()) {
492 lm_response = data_blob(NULL, 24);
493 if (!SMBencrypt(pass,cli->secblob.data, lm_response.data)) {
494 /* Oops, the LM response is invalid, just put
495 the NT response there instead */
496 data_blob_free(&lm_response);
497 lm_response = data_blob(nt_response.data, nt_response.length);
500 /* LM disabled, place NT# in LM field instead */
501 lm_response = data_blob(nt_response.data, nt_response.length);
504 session_key = data_blob(NULL, 16);
506 E_deshash(pass, session_key.data);
507 memset(&session_key.data[8], '\0', 8);
509 SMBsesskeygen_ntv1(nt_hash, session_key.data);
512 cli_temp_set_signing(cli);
514 /* pre-encrypted password supplied. Only used for
515 security=server, can't do
516 signing because we don't have original key */
518 lm_response = data_blob(pass, passlen);
519 nt_response = data_blob(ntpass, ntpasslen);
522 /* send a session setup command */
523 memset(cli->outbuf,'\0',smb_size);
525 cli_set_message(cli->outbuf,13,0,True);
526 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
527 cli_setup_packet(cli);
529 SCVAL(cli->outbuf,smb_vwv0,0xFF);
530 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
531 SSVAL(cli->outbuf,smb_vwv3,2);
532 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
533 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
534 SSVAL(cli->outbuf,smb_vwv7,lm_response.length);
535 SSVAL(cli->outbuf,smb_vwv8,nt_response.length);
536 SIVAL(cli->outbuf,smb_vwv11,capabilities);
537 p = smb_buf(cli->outbuf);
538 if (lm_response.length) {
539 memcpy(p,lm_response.data, lm_response.length); p += lm_response.length;
541 if (nt_response.length) {
542 memcpy(p,nt_response.data, nt_response.length); p += nt_response.length;
544 p += clistr_push(cli, p, user, -1, STR_TERMINATE);
546 /* Upper case here might help some NTLMv2 implementations */
547 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
548 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
549 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
550 cli_setup_bcc(cli, p);
552 if (!cli_send_smb(cli) || !cli_receive_smb(cli)) {
553 result = cli_nt_error(cli);
557 /* show_msg(cli->inbuf); */
559 if (cli_is_error(cli)) {
560 result = cli_nt_error(cli);
565 ok = cli_simple_set_signing(cli, session_key, lm_response);
567 ok = cli_simple_set_signing(cli, session_key, nt_response);
570 if (!cli_check_sign_mac(cli, cli->inbuf, 1)) {
571 result = NT_STATUS_ACCESS_DENIED;
576 /* use the returned vuid from now on */
577 cli->vuid = SVAL(cli->inbuf,smb_uid);
579 p = smb_buf(cli->inbuf);
580 p += clistr_pull(cli->inbuf, cli->server_os, p, sizeof(fstring),
582 p += clistr_pull(cli->inbuf, cli->server_type, p, sizeof(fstring),
584 p += clistr_pull(cli->inbuf, cli->server_domain, p, sizeof(fstring),
587 if (strstr(cli->server_type, "Samba")) {
588 cli->is_samba = True;
591 result = cli_set_username(cli, user);
592 if (!NT_STATUS_IS_OK(result)) {
596 if (session_key.data) {
597 /* Have plaintext orginal */
598 cli_set_session_key(cli, session_key);
601 result = NT_STATUS_OK;
603 data_blob_free(&lm_response);
604 data_blob_free(&nt_response);
605 data_blob_free(&session_key);
609 /* The following is calculated from :
611 * (smb_wcnt * 2) = 24 (smb_wcnt == 12 in cli_session_setup_blob_send() )
612 * (strlen("Unix") + 1 + strlen("Samba") + 1) * 2 = 22 (unicode strings at
616 #define BASE_SESSSETUP_BLOB_PACKET_SIZE (35 + 24 + 22)
618 struct cli_sesssetup_blob_state {
619 struct tevent_context *ev;
620 struct cli_state *cli;
622 uint16_t max_blob_size;
631 static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state *state,
632 struct tevent_req **psubreq);
633 static void cli_sesssetup_blob_done(struct tevent_req *subreq);
635 static struct tevent_req *cli_sesssetup_blob_send(TALLOC_CTX *mem_ctx,
636 struct tevent_context *ev,
637 struct cli_state *cli,
640 struct tevent_req *req, *subreq;
641 struct cli_sesssetup_blob_state *state;
643 req = tevent_req_create(mem_ctx, &state,
644 struct cli_sesssetup_blob_state);
652 if (cli->max_xmit < BASE_SESSSETUP_BLOB_PACKET_SIZE + 1) {
653 DEBUG(1, ("cli_session_setup_blob: cli->max_xmit too small "
654 "(was %u, need minimum %u)\n",
655 (unsigned int)cli->max_xmit,
656 BASE_SESSSETUP_BLOB_PACKET_SIZE));
657 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
658 return tevent_req_post(req, ev);
660 state->max_blob_size =
661 MIN(cli->max_xmit - BASE_SESSSETUP_BLOB_PACKET_SIZE, 0xFFFF);
663 if (!cli_sesssetup_blob_next(state, &subreq)) {
664 tevent_req_nomem(NULL, req);
665 return tevent_req_post(req, ev);
667 tevent_req_set_callback(subreq, cli_sesssetup_blob_done, req);
671 static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state *state,
672 struct tevent_req **psubreq)
674 struct tevent_req *subreq;
677 SCVAL(state->vwv+0, 0, 0xFF);
678 SCVAL(state->vwv+0, 1, 0);
679 SSVAL(state->vwv+1, 0, 0);
680 SSVAL(state->vwv+2, 0, CLI_BUFFER_SIZE);
681 SSVAL(state->vwv+3, 0, 2);
682 SSVAL(state->vwv+4, 0, 1);
683 SIVAL(state->vwv+5, 0, 0);
685 thistime = MIN(state->blob.length, state->max_blob_size);
686 SSVAL(state->vwv+7, 0, thistime);
688 SSVAL(state->vwv+8, 0, 0);
689 SSVAL(state->vwv+9, 0, 0);
690 SIVAL(state->vwv+10, 0,
691 cli_session_setup_capabilities(state->cli)
692 | CAP_EXTENDED_SECURITY);
694 state->buf = (uint8_t *)talloc_memdup(state, state->blob.data,
696 if (state->buf == NULL) {
699 state->blob.data += thistime;
700 state->blob.length -= thistime;
702 state->buf = smb_bytes_push_str(state->buf, cli_ucs2(state->cli),
704 state->buf = smb_bytes_push_str(state->buf, cli_ucs2(state->cli),
706 if (state->buf == NULL) {
709 subreq = cli_smb_send(state, state->ev, state->cli, SMBsesssetupX, 0,
711 talloc_get_size(state->buf), state->buf);
712 if (subreq == NULL) {
719 static void cli_sesssetup_blob_done(struct tevent_req *subreq)
721 struct tevent_req *req = tevent_req_callback_data(
722 subreq, struct tevent_req);
723 struct cli_sesssetup_blob_state *state = tevent_req_data(
724 req, struct cli_sesssetup_blob_state);
725 struct cli_state *cli = state->cli;
732 uint16_t blob_length;
734 status = cli_smb_recv(subreq, 1, &wct, &vwv, &num_bytes, &bytes);
735 if (!NT_STATUS_IS_OK(status)
736 && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
738 tevent_req_nterror(req, status);
742 state->status = status;
743 TALLOC_FREE(state->buf);
745 state->inbuf = (char *)cli_smb_inbuf(subreq);
746 cli->vuid = SVAL(state->inbuf, smb_uid);
748 blob_length = SVAL(vwv+3, 0);
749 if (blob_length > num_bytes) {
751 tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
754 state->ret_blob = data_blob_const(bytes, blob_length);
756 p = bytes + blob_length;
758 p += clistr_pull(state->inbuf, cli->server_os,
759 (char *)p, sizeof(fstring),
760 bytes+num_bytes-p, STR_TERMINATE);
761 p += clistr_pull(state->inbuf, cli->server_type,
762 (char *)p, sizeof(fstring),
763 bytes+num_bytes-p, STR_TERMINATE);
764 p += clistr_pull(state->inbuf, cli->server_domain,
765 (char *)p, sizeof(fstring),
766 bytes+num_bytes-p, STR_TERMINATE);
768 if (strstr(cli->server_type, "Samba")) {
769 cli->is_samba = True;
772 if (state->blob.length != 0) {
777 if (!cli_sesssetup_blob_next(state, &subreq)) {
778 tevent_req_nomem(NULL, req);
781 tevent_req_set_callback(subreq, cli_sesssetup_blob_done, req);
784 tevent_req_done(req);
787 static NTSTATUS cli_sesssetup_blob_recv(struct tevent_req *req,
792 struct cli_sesssetup_blob_state *state = tevent_req_data(
793 req, struct cli_sesssetup_blob_state);
797 if (tevent_req_is_nterror(req, &status)) {
798 state->cli->vuid = 0;
802 inbuf = talloc_move(mem_ctx, &state->inbuf);
804 *pblob = state->ret_blob;
806 if (pinbuf != NULL) {
809 /* could be NT_STATUS_MORE_PROCESSING_REQUIRED */
810 return state->status;
815 /****************************************************************************
816 Use in-memory credentials cache
817 ****************************************************************************/
819 static void use_in_memory_ccache(void) {
820 setenv(KRB5_ENV_CCNAME, "MEMORY:cliconnect", 1);
823 /****************************************************************************
824 Do a spnego/kerberos encrypted session setup.
825 ****************************************************************************/
827 struct cli_session_setup_kerberos_state {
828 struct cli_state *cli;
829 DATA_BLOB negTokenTarg;
830 DATA_BLOB session_key_krb5;
831 ADS_STATUS ads_status;
834 static void cli_session_setup_kerberos_done(struct tevent_req *subreq);
836 static struct tevent_req *cli_session_setup_kerberos_send(
837 TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
838 const char *principal, const char *workgroup)
840 struct tevent_req *req, *subreq;
841 struct cli_session_setup_kerberos_state *state;
844 DEBUG(2,("Doing kerberos session setup\n"));
846 req = tevent_req_create(mem_ctx, &state,
847 struct cli_session_setup_kerberos_state);
852 state->ads_status = ADS_SUCCESS;
854 cli_temp_set_signing(cli);
857 * Ok, this is cheated: spnego_gen_negTokenTarg can block if
858 * we have to acquire a ticket. To be fixed later :-)
860 rc = spnego_gen_negTokenTarg(principal, 0, &state->negTokenTarg,
861 &state->session_key_krb5, 0, NULL);
863 DEBUG(1, ("cli_session_setup_kerberos: "
864 "spnego_gen_negTokenTarg failed: %s\n",
866 state->ads_status = ADS_ERROR_KRB5(rc);
867 tevent_req_nterror(req, NT_STATUS_UNSUCCESSFUL);
868 return tevent_req_post(req, ev);
872 file_save("negTokenTarg.dat", state->negTokenTarg.data,
873 state->negTokenTarg.length);
876 subreq = cli_sesssetup_blob_send(state, ev, cli, state->negTokenTarg);
877 if (tevent_req_nomem(subreq, req)) {
878 return tevent_req_post(req, ev);
880 tevent_req_set_callback(subreq, cli_session_setup_kerberos_done, req);
884 static void cli_session_setup_kerberos_done(struct tevent_req *subreq)
886 struct tevent_req *req = tevent_req_callback_data(
887 subreq, struct tevent_req);
888 struct cli_session_setup_kerberos_state *state = tevent_req_data(
889 req, struct cli_session_setup_kerberos_state);
893 status = cli_sesssetup_blob_recv(subreq, talloc_tos(), NULL, &inbuf);
894 if (!NT_STATUS_IS_OK(status)) {
896 tevent_req_nterror(req, status);
900 cli_set_session_key(state->cli, state->session_key_krb5);
902 if (cli_simple_set_signing(state->cli, state->session_key_krb5,
904 && !cli_check_sign_mac(state->cli, inbuf, 1)) {
906 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
910 tevent_req_done(req);
913 static ADS_STATUS cli_session_setup_kerberos_recv(struct tevent_req *req)
915 struct cli_session_setup_kerberos_state *state = tevent_req_data(
916 req, struct cli_session_setup_kerberos_state);
919 if (tevent_req_is_nterror(req, &status)) {
920 return ADS_ERROR_NT(status);
922 return state->ads_status;
925 static ADS_STATUS cli_session_setup_kerberos(struct cli_state *cli,
926 const char *principal,
927 const char *workgroup)
929 struct tevent_context *ev;
930 struct tevent_req *req;
931 ADS_STATUS status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
933 if (cli_has_async_calls(cli)) {
934 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
936 ev = tevent_context_init(talloc_tos());
940 req = cli_session_setup_kerberos_send(ev, ev, cli, principal,
945 if (!tevent_req_poll(req, ev)) {
946 status = ADS_ERROR_SYSTEM(errno);
949 status = cli_session_setup_kerberos_recv(req);
954 #endif /* HAVE_KRB5 */
956 /****************************************************************************
957 Do a spnego/NTLMSSP encrypted session setup.
958 ****************************************************************************/
960 struct cli_session_setup_ntlmssp_state {
961 struct tevent_context *ev;
962 struct cli_state *cli;
963 struct ntlmssp_state *ntlmssp_state;
968 static int cli_session_setup_ntlmssp_state_destructor(
969 struct cli_session_setup_ntlmssp_state *state)
971 if (state->ntlmssp_state != NULL) {
972 ntlmssp_end(&state->ntlmssp_state);
977 static void cli_session_setup_ntlmssp_done(struct tevent_req *req);
979 static struct tevent_req *cli_session_setup_ntlmssp_send(
980 TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
981 const char *user, const char *pass, const char *domain)
983 struct tevent_req *req, *subreq;
984 struct cli_session_setup_ntlmssp_state *state;
988 req = tevent_req_create(mem_ctx, &state,
989 struct cli_session_setup_ntlmssp_state);
997 state->ntlmssp_state = NULL;
998 talloc_set_destructor(
999 state, cli_session_setup_ntlmssp_state_destructor);
1001 cli_temp_set_signing(cli);
1003 status = ntlmssp_client_start(&state->ntlmssp_state);
1004 if (!NT_STATUS_IS_OK(status)) {
1007 ntlmssp_want_feature(state->ntlmssp_state,
1008 NTLMSSP_FEATURE_SESSION_KEY);
1009 status = ntlmssp_set_username(state->ntlmssp_state, user);
1010 if (!NT_STATUS_IS_OK(status)) {
1013 status = ntlmssp_set_domain(state->ntlmssp_state, domain);
1014 if (!NT_STATUS_IS_OK(status)) {
1017 status = ntlmssp_set_password(state->ntlmssp_state, pass);
1018 if (!NT_STATUS_IS_OK(status)) {
1021 status = ntlmssp_update(state->ntlmssp_state, data_blob_null,
1023 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1027 state->blob_out = gen_negTokenInit(OID_NTLMSSP, blob_out);
1028 data_blob_free(&blob_out);
1030 subreq = cli_sesssetup_blob_send(state, ev, cli, state->blob_out);
1031 if (tevent_req_nomem(subreq, req)) {
1032 return tevent_req_post(req, ev);
1034 tevent_req_set_callback(subreq, cli_session_setup_ntlmssp_done, req);
1037 tevent_req_nterror(req, status);
1038 return tevent_req_post(req, ev);
1041 static void cli_session_setup_ntlmssp_done(struct tevent_req *subreq)
1043 struct tevent_req *req = tevent_req_callback_data(
1044 subreq, struct tevent_req);
1045 struct cli_session_setup_ntlmssp_state *state = tevent_req_data(
1046 req, struct cli_session_setup_ntlmssp_state);
1047 DATA_BLOB blob_in, msg_in, blob_out;
1052 status = cli_sesssetup_blob_recv(subreq, talloc_tos(), &blob_in,
1054 TALLOC_FREE(subreq);
1055 data_blob_free(&state->blob_out);
1057 if (NT_STATUS_IS_OK(status)) {
1058 if (state->cli->server_domain[0] == '\0') {
1059 fstrcpy(state->cli->server_domain,
1060 state->ntlmssp_state->server_domain);
1062 cli_set_session_key(
1063 state->cli, state->ntlmssp_state->session_key);
1065 if (cli_simple_set_signing(
1066 state->cli, state->ntlmssp_state->session_key,
1068 && !cli_check_sign_mac(state->cli, inbuf, 1)) {
1069 TALLOC_FREE(subreq);
1070 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
1073 TALLOC_FREE(subreq);
1074 ntlmssp_end(&state->ntlmssp_state);
1075 tevent_req_done(req);
1078 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1079 tevent_req_nterror(req, status);
1083 if (blob_in.length == 0) {
1084 tevent_req_nterror(req, NT_STATUS_UNSUCCESSFUL);
1088 if ((state->turn == 1)
1089 && NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1090 DATA_BLOB tmp_blob = data_blob_null;
1091 /* the server might give us back two challenges */
1092 parse_ret = spnego_parse_challenge(blob_in, &msg_in,
1094 data_blob_free(&tmp_blob);
1096 parse_ret = spnego_parse_auth_response(blob_in, status,
1097 OID_NTLMSSP, &msg_in);
1102 DEBUG(3,("Failed to parse auth response\n"));
1103 if (NT_STATUS_IS_OK(status)
1104 || NT_STATUS_EQUAL(status,
1105 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1107 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
1112 status = ntlmssp_update(state->ntlmssp_state, msg_in, &blob_out);
1114 if (!NT_STATUS_IS_OK(status)
1115 && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1116 TALLOC_FREE(subreq);
1117 ntlmssp_end(&state->ntlmssp_state);
1118 tevent_req_nterror(req, status);
1122 state->blob_out = spnego_gen_auth(blob_out);
1123 TALLOC_FREE(subreq);
1124 if (tevent_req_nomem(state->blob_out.data, req)) {
1128 subreq = cli_sesssetup_blob_send(state, state->ev, state->cli,
1130 if (tevent_req_nomem(subreq, req)) {
1133 tevent_req_set_callback(subreq, cli_session_setup_ntlmssp_done, req);
1136 static NTSTATUS cli_session_setup_ntlmssp_recv(struct tevent_req *req)
1138 struct cli_session_setup_ntlmssp_state *state = tevent_req_data(
1139 req, struct cli_session_setup_ntlmssp_state);
1142 if (tevent_req_is_nterror(req, &status)) {
1143 state->cli->vuid = 0;
1146 return NT_STATUS_OK;
1149 static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli,
1154 struct tevent_context *ev;
1155 struct tevent_req *req;
1156 NTSTATUS status = NT_STATUS_NO_MEMORY;
1158 if (cli_has_async_calls(cli)) {
1159 return NT_STATUS_INVALID_PARAMETER;
1161 ev = tevent_context_init(talloc_tos());
1165 req = cli_session_setup_ntlmssp_send(ev, ev, cli, user, pass, domain);
1169 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1172 status = cli_session_setup_ntlmssp_recv(req);
1175 if (!NT_STATUS_IS_OK(status)) {
1176 cli_set_error(cli, status);
1181 /****************************************************************************
1182 Do a spnego encrypted session setup.
1184 user_domain: The shortname of the domain the user/machine is a member of.
1185 dest_realm: The realm we're connecting to, if NULL we use our default realm.
1186 ****************************************************************************/
1188 ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
1189 const char *pass, const char *user_domain,
1190 const char * dest_realm)
1192 char *principal = NULL;
1193 char *OIDs[ASN1_MAX_OIDS];
1196 const char *p = NULL;
1197 char *account = NULL;
1200 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli->secblob.length));
1202 /* the server might not even do spnego */
1203 if (cli->secblob.length <= 16) {
1204 DEBUG(3,("server didn't supply a full spnego negprot\n"));
1209 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
1212 /* there is 16 bytes of GUID before the real spnego packet starts */
1213 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
1215 /* The server sent us the first part of the SPNEGO exchange in the
1216 * negprot reply. It is WRONG to depend on the principal sent in the
1217 * negprot reply, but right now we do it. If we don't receive one,
1218 * we try to best guess, then fall back to NTLM. */
1219 if (!spnego_parse_negTokenInit(blob, OIDs, &principal)) {
1220 data_blob_free(&blob);
1221 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1223 data_blob_free(&blob);
1225 /* make sure the server understands kerberos */
1226 for (i=0;OIDs[i];i++) {
1228 DEBUG(3,("got OID=%s\n", OIDs[i]));
1230 DEBUGADD(3,("got OID=%s\n", OIDs[i]));
1231 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
1232 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
1233 cli->got_kerberos_mechanism = True;
1235 talloc_free(OIDs[i]);
1238 DEBUG(3,("got principal=%s\n", principal ? principal : "<null>"));
1240 status = cli_set_username(cli, user);
1241 if (!NT_STATUS_IS_OK(status)) {
1242 return ADS_ERROR_NT(status);
1246 /* If password is set we reauthenticate to kerberos server
1247 * and do not store results */
1249 if (cli->got_kerberos_mechanism && cli->use_kerberos) {
1252 if (pass && *pass) {
1255 use_in_memory_ccache();
1256 ret = kerberos_kinit_password(user, pass, 0 /* no time correction for now */, NULL);
1259 TALLOC_FREE(principal);
1260 DEBUG(0, ("Kinit failed: %s\n", error_message(ret)));
1261 if (cli->fallback_after_kerberos)
1263 return ADS_ERROR_KRB5(ret);
1267 /* If we get a bad principal, try to guess it if
1268 we have a valid host NetBIOS name.
1270 if (strequal(principal, ADS_IGNORE_PRINCIPAL)) {
1271 TALLOC_FREE(principal);
1274 if (principal == NULL &&
1275 !is_ipaddress(cli->desthost) &&
1276 !strequal(STAR_SMBSERVER,
1279 char *machine = NULL;
1281 DEBUG(3,("cli_session_setup_spnego: got a "
1282 "bad server principal, trying to guess ...\n"));
1284 host = strchr_m(cli->desthost, '.');
1286 machine = SMB_STRNDUP(cli->desthost,
1287 host - cli->desthost);
1289 machine = SMB_STRDUP(cli->desthost);
1291 if (machine == NULL) {
1292 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1296 realm = SMB_STRDUP(dest_realm);
1299 realm = kerberos_get_default_realm_from_ccache();
1301 if (realm && *realm) {
1302 principal = talloc_asprintf(NULL, "%s$@%s",
1307 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1309 DEBUG(3,("cli_session_setup_spnego: guessed "
1310 "server principal=%s\n",
1311 principal ? principal : "<null>"));
1318 rc = cli_session_setup_kerberos(cli, principal,
1320 if (ADS_ERR_OK(rc) || !cli->fallback_after_kerberos) {
1321 TALLOC_FREE(principal);
1328 TALLOC_FREE(principal);
1332 account = talloc_strdup(talloc_tos(), user);
1334 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1337 /* when falling back to ntlmssp while authenticating with a machine
1338 * account strip off the realm - gd */
1340 if ((p = strchr_m(user, '@')) != NULL) {
1341 account[PTR_DIFF(p,user)] = '\0';
1344 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli, account, pass, user_domain));
1347 /****************************************************************************
1348 Send a session setup. The username and workgroup is in UNIX character
1349 format and must be converted to DOS codepage format before sending. If the
1350 password is in plaintext, the same should be done.
1351 ****************************************************************************/
1353 NTSTATUS cli_session_setup(struct cli_state *cli,
1355 const char *pass, int passlen,
1356 const char *ntpass, int ntpasslen,
1357 const char *workgroup)
1363 fstrcpy(user2, user);
1372 /* allow for workgroups as part of the username */
1373 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
1374 (p=strchr_m(user2,*lp_winbind_separator()))) {
1380 if (cli->protocol < PROTOCOL_LANMAN1) {
1381 return NT_STATUS_OK;
1384 /* now work out what sort of session setup we are going to
1385 do. I have split this into separate functions to make the
1386 flow a bit easier to understand (tridge) */
1388 /* if its an older server then we have to use the older request format */
1390 if (cli->protocol < PROTOCOL_NT1) {
1391 if (!lp_client_lanman_auth() && passlen != 24 && (*pass)) {
1392 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
1394 return NT_STATUS_ACCESS_DENIED;
1397 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0 &&
1398 !lp_client_plaintext_auth() && (*pass)) {
1399 DEBUG(1, ("Server requested plaintext password but "
1400 "'client plaintext auth' is disabled\n"));
1401 return NT_STATUS_ACCESS_DENIED;
1404 return cli_session_setup_lanman2(cli, user, pass, passlen,
1408 /* if no user is supplied then we have to do an anonymous connection.
1409 passwords are ignored */
1411 if (!user || !*user)
1412 return cli_session_setup_guest(cli);
1414 /* if the server is share level then send a plaintext null
1415 password at this point. The password is sent in the tree
1418 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
1419 return cli_session_setup_plaintext(cli, user, "", workgroup);
1421 /* if the server doesn't support encryption then we have to use
1422 plaintext. The second password is ignored */
1424 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0) {
1425 if (!lp_client_plaintext_auth() && (*pass)) {
1426 DEBUG(1, ("Server requested plaintext password but "
1427 "'client plaintext auth' is disabled\n"));
1428 return NT_STATUS_ACCESS_DENIED;
1430 return cli_session_setup_plaintext(cli, user, pass, workgroup);
1433 /* if the server supports extended security then use SPNEGO */
1435 if (cli->capabilities & CAP_EXTENDED_SECURITY) {
1436 ADS_STATUS status = cli_session_setup_spnego(cli, user, pass,
1438 if (!ADS_ERR_OK(status)) {
1439 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status)));
1440 return ads_ntstatus(status);
1445 /* otherwise do a NT1 style session setup */
1446 status = cli_session_setup_nt1(cli, user, pass, passlen,
1447 ntpass, ntpasslen, workgroup);
1448 if (!NT_STATUS_IS_OK(status)) {
1449 DEBUG(3,("cli_session_setup: NT1 session setup "
1450 "failed: %s\n", nt_errstr(status)));
1455 if (strstr(cli->server_type, "Samba")) {
1456 cli->is_samba = True;
1459 return NT_STATUS_OK;
1462 /****************************************************************************
1464 *****************************************************************************/
1466 struct cli_ulogoff_state {
1467 struct cli_state *cli;
1471 static void cli_ulogoff_done(struct tevent_req *subreq);
1473 struct tevent_req *cli_ulogoff_send(TALLOC_CTX *mem_ctx,
1474 struct tevent_context *ev,
1475 struct cli_state *cli)
1477 struct tevent_req *req, *subreq;
1478 struct cli_ulogoff_state *state;
1480 req = tevent_req_create(mem_ctx, &state, struct cli_ulogoff_state);
1486 SCVAL(state->vwv+0, 0, 0xFF);
1487 SCVAL(state->vwv+1, 0, 0);
1488 SSVAL(state->vwv+2, 0, 0);
1490 subreq = cli_smb_send(state, ev, cli, SMBulogoffX, 0, 2, state->vwv,
1492 if (tevent_req_nomem(subreq, req)) {
1493 return tevent_req_post(req, ev);
1495 tevent_req_set_callback(subreq, cli_ulogoff_done, req);
1499 static void cli_ulogoff_done(struct tevent_req *subreq)
1501 struct tevent_req *req = tevent_req_callback_data(
1502 subreq, struct tevent_req);
1503 struct cli_ulogoff_state *state = tevent_req_data(
1504 req, struct cli_ulogoff_state);
1507 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1508 if (!NT_STATUS_IS_OK(status)) {
1509 tevent_req_nterror(req, status);
1512 state->cli->vuid = -1;
1513 tevent_req_done(req);
1516 NTSTATUS cli_ulogoff_recv(struct tevent_req *req)
1518 return tevent_req_simple_recv_ntstatus(req);
1521 NTSTATUS cli_ulogoff(struct cli_state *cli)
1523 struct tevent_context *ev;
1524 struct tevent_req *req;
1525 NTSTATUS status = NT_STATUS_NO_MEMORY;
1527 if (cli_has_async_calls(cli)) {
1528 return NT_STATUS_INVALID_PARAMETER;
1530 ev = tevent_context_init(talloc_tos());
1534 req = cli_ulogoff_send(ev, ev, cli);
1538 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1541 status = cli_ulogoff_recv(req);
1544 if (!NT_STATUS_IS_OK(status)) {
1545 cli_set_error(cli, status);
1550 /****************************************************************************
1552 ****************************************************************************/
1554 struct cli_tcon_andx_state {
1555 struct cli_state *cli;
1560 static void cli_tcon_andx_done(struct tevent_req *subreq);
1562 struct tevent_req *cli_tcon_andx_create(TALLOC_CTX *mem_ctx,
1563 struct event_context *ev,
1564 struct cli_state *cli,
1565 const char *share, const char *dev,
1566 const char *pass, int passlen,
1567 struct tevent_req **psmbreq)
1569 struct tevent_req *req, *subreq;
1570 struct cli_tcon_andx_state *state;
1576 req = tevent_req_create(mem_ctx, &state, struct cli_tcon_andx_state);
1583 fstrcpy(cli->share, share);
1585 /* in user level security don't send a password now */
1586 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
1589 } else if (pass == NULL) {
1590 DEBUG(1, ("Server not using user level security and no "
1591 "password supplied.\n"));
1595 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) &&
1596 *pass && passlen != 24) {
1597 if (!lp_client_lanman_auth()) {
1598 DEBUG(1, ("Server requested LANMAN password "
1599 "(share-level security) but "
1600 "'client lanman auth' is disabled\n"));
1605 * Non-encrypted passwords - convert to DOS codepage before
1609 SMBencrypt(pass, cli->secblob.data, (uchar *)pword);
1611 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL
1612 |NEGOTIATE_SECURITY_CHALLENGE_RESPONSE))
1614 if (!lp_client_plaintext_auth() && (*pass)) {
1615 DEBUG(1, ("Server requested plaintext "
1616 "password but 'client plaintext "
1617 "auth' is disabled\n"));
1622 * Non-encrypted passwords - convert to DOS codepage
1625 passlen = clistr_push(cli, pword, pass, sizeof(pword),
1627 if (passlen == -1) {
1628 DEBUG(1, ("clistr_push(pword) failed\n"));
1633 memcpy(pword, pass, passlen);
1638 SCVAL(vwv+0, 0, 0xFF);
1641 SSVAL(vwv+2, 0, TCONX_FLAG_EXTENDED_RESPONSE);
1642 SSVAL(vwv+3, 0, passlen);
1645 bytes = (uint8_t *)talloc_memdup(state, pword, passlen);
1647 bytes = talloc_array(state, uint8_t, 0);
1653 tmp = talloc_asprintf_strupper_m(talloc_tos(), "\\\\%s\\%s",
1654 cli->desthost, share);
1659 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), tmp, strlen(tmp)+1,
1664 * Add the devicetype
1666 tmp = talloc_strdup_upper(talloc_tos(), dev);
1671 bytes = smb_bytes_push_str(bytes, false, tmp, strlen(tmp)+1, NULL);
1674 if (bytes == NULL) {
1679 state->bytes.iov_base = (void *)bytes;
1680 state->bytes.iov_len = talloc_get_size(bytes);
1682 subreq = cli_smb_req_create(state, ev, cli, SMBtconX, 0, 4, vwv,
1684 if (subreq == NULL) {
1688 tevent_req_set_callback(subreq, cli_tcon_andx_done, req);
1693 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
1694 return tevent_req_post(req, ev);
1697 struct tevent_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
1698 struct event_context *ev,
1699 struct cli_state *cli,
1700 const char *share, const char *dev,
1701 const char *pass, int passlen)
1703 struct tevent_req *req, *subreq;
1706 req = cli_tcon_andx_create(mem_ctx, ev, cli, share, dev, pass, passlen,
1711 status = cli_smb_req_send(subreq);
1712 if (!NT_STATUS_IS_OK(status)) {
1713 tevent_req_nterror(req, status);
1714 return tevent_req_post(req, ev);
1719 static void cli_tcon_andx_done(struct tevent_req *subreq)
1721 struct tevent_req *req = tevent_req_callback_data(
1722 subreq, struct tevent_req);
1723 struct cli_tcon_andx_state *state = tevent_req_data(
1724 req, struct cli_tcon_andx_state);
1725 struct cli_state *cli = state->cli;
1726 char *inbuf = (char *)cli_smb_inbuf(subreq);
1733 status = cli_smb_recv(subreq, 0, &wct, &vwv, &num_bytes, &bytes);
1734 if (!NT_STATUS_IS_OK(status)) {
1735 TALLOC_FREE(subreq);
1736 tevent_req_nterror(req, status);
1740 clistr_pull(inbuf, cli->dev, bytes, sizeof(fstring), num_bytes,
1741 STR_TERMINATE|STR_ASCII);
1743 if ((cli->protocol >= PROTOCOL_NT1) && (num_bytes == 3)) {
1744 /* almost certainly win95 - enable bug fixes */
1749 * Make sure that we have the optional support 16-bit field. WCT > 2.
1750 * Avoids issues when connecting to Win9x boxes sharing files
1753 cli->dfsroot = false;
1755 if ((wct > 2) && (cli->protocol >= PROTOCOL_LANMAN2)) {
1756 cli->dfsroot = ((SVAL(vwv+2, 0) & SMB_SHARE_IN_DFS) != 0);
1759 cli->cnum = SVAL(inbuf,smb_tid);
1760 tevent_req_done(req);
1763 NTSTATUS cli_tcon_andx_recv(struct tevent_req *req)
1765 return tevent_req_simple_recv_ntstatus(req);
1768 NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
1769 const char *dev, const char *pass, int passlen)
1771 TALLOC_CTX *frame = talloc_stackframe();
1772 struct event_context *ev;
1773 struct tevent_req *req;
1774 NTSTATUS status = NT_STATUS_OK;
1776 if (cli_has_async_calls(cli)) {
1778 * Can't use sync call while an async call is in flight
1780 status = NT_STATUS_INVALID_PARAMETER;
1784 ev = event_context_init(frame);
1786 status = NT_STATUS_NO_MEMORY;
1790 req = cli_tcon_andx_send(frame, ev, cli, share, dev, pass, passlen);
1792 status = NT_STATUS_NO_MEMORY;
1796 if (!tevent_req_poll(req, ev)) {
1797 status = map_nt_error_from_unix(errno);
1801 status = cli_tcon_andx_recv(req);
1804 if (!NT_STATUS_IS_OK(status)) {
1805 cli_set_error(cli, status);
1810 /****************************************************************************
1811 Send a tree disconnect.
1812 ****************************************************************************/
1814 struct cli_tdis_state {
1815 struct cli_state *cli;
1818 static void cli_tdis_done(struct tevent_req *subreq);
1820 struct tevent_req *cli_tdis_send(TALLOC_CTX *mem_ctx,
1821 struct tevent_context *ev,
1822 struct cli_state *cli)
1824 struct tevent_req *req, *subreq;
1825 struct cli_tdis_state *state;
1827 req = tevent_req_create(mem_ctx, &state, struct cli_tdis_state);
1833 subreq = cli_smb_send(state, ev, cli, SMBtdis, 0, 0, NULL, 0, NULL);
1834 if (tevent_req_nomem(subreq, req)) {
1835 return tevent_req_post(req, ev);
1837 tevent_req_set_callback(subreq, cli_tdis_done, req);
1841 static void cli_tdis_done(struct tevent_req *subreq)
1843 struct tevent_req *req = tevent_req_callback_data(
1844 subreq, struct tevent_req);
1845 struct cli_tdis_state *state = tevent_req_data(
1846 req, struct cli_tdis_state);
1849 status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
1850 TALLOC_FREE(subreq);
1851 if (!NT_STATUS_IS_OK(status)) {
1852 tevent_req_nterror(req, status);
1855 state->cli->cnum = -1;
1856 tevent_req_done(req);
1859 NTSTATUS cli_tdis_recv(struct tevent_req *req)
1861 return tevent_req_simple_recv_ntstatus(req);
1864 NTSTATUS cli_tdis(struct cli_state *cli)
1866 struct tevent_context *ev;
1867 struct tevent_req *req;
1868 NTSTATUS status = NT_STATUS_NO_MEMORY;
1870 if (cli_has_async_calls(cli)) {
1871 return NT_STATUS_INVALID_PARAMETER;
1873 ev = tevent_context_init(talloc_tos());
1877 req = cli_tdis_send(ev, ev, cli);
1881 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1884 status = cli_tdis_recv(req);
1887 if (!NT_STATUS_IS_OK(status)) {
1888 cli_set_error(cli, status);
1893 /****************************************************************************
1894 Send a negprot command.
1895 ****************************************************************************/
1897 void cli_negprot_sendsync(struct cli_state *cli)
1902 if (cli->protocol < PROTOCOL_NT1)
1903 cli->use_spnego = False;
1905 memset(cli->outbuf,'\0',smb_size);
1907 /* setup the protocol strings */
1908 cli_set_message(cli->outbuf,0,0,True);
1910 p = smb_buf(cli->outbuf);
1911 for (numprots=0; numprots < ARRAY_SIZE(prots); numprots++) {
1912 if (prots[numprots].prot > cli->protocol) {
1916 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1919 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1920 cli_setup_bcc(cli, p);
1921 cli_setup_packet(cli);
1923 SCVAL(smb_buf(cli->outbuf),0,2);
1928 /****************************************************************************
1929 Send a negprot command.
1930 ****************************************************************************/
1932 struct cli_negprot_state {
1933 struct cli_state *cli;
1936 static void cli_negprot_done(struct tevent_req *subreq);
1938 struct tevent_req *cli_negprot_send(TALLOC_CTX *mem_ctx,
1939 struct event_context *ev,
1940 struct cli_state *cli)
1942 struct tevent_req *req, *subreq;
1943 struct cli_negprot_state *state;
1944 uint8_t *bytes = NULL;
1948 req = tevent_req_create(mem_ctx, &state, struct cli_negprot_state);
1954 if (cli->protocol < PROTOCOL_NT1)
1955 cli->use_spnego = False;
1957 /* setup the protocol strings */
1958 for (numprots=0; numprots < ARRAY_SIZE(prots); numprots++) {
1960 if (prots[numprots].prot > cli->protocol) {
1963 bytes = (uint8_t *)talloc_append_blob(
1964 state, bytes, data_blob_const(&c, sizeof(c)));
1965 if (tevent_req_nomem(bytes, req)) {
1966 return tevent_req_post(req, ev);
1968 bytes = smb_bytes_push_str(bytes, false,
1969 prots[numprots].name,
1970 strlen(prots[numprots].name)+1,
1972 if (tevent_req_nomem(bytes, req)) {
1973 return tevent_req_post(req, ev);
1980 subreq = cli_smb_send(state, ev, cli, SMBnegprot, 0, 0, NULL,
1981 talloc_get_size(bytes), bytes);
1984 if (tevent_req_nomem(subreq, req)) {
1985 return tevent_req_post(req, ev);
1987 tevent_req_set_callback(subreq, cli_negprot_done, req);
1991 static void cli_negprot_done(struct tevent_req *subreq)
1993 struct tevent_req *req = tevent_req_callback_data(
1994 subreq, struct tevent_req);
1995 struct cli_negprot_state *state = tevent_req_data(
1996 req, struct cli_negprot_state);
1997 struct cli_state *cli = state->cli;
2005 status = cli_smb_recv(subreq, 1, &wct, &vwv, &num_bytes, &bytes);
2006 if (!NT_STATUS_IS_OK(status)) {
2007 TALLOC_FREE(subreq);
2008 tevent_req_nterror(req, status);
2012 protnum = SVAL(vwv, 0);
2014 if ((protnum >= ARRAY_SIZE(prots))
2015 || (prots[protnum].prot > cli->protocol)) {
2016 tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
2020 cli->protocol = prots[protnum].prot;
2022 if ((cli->protocol < PROTOCOL_NT1) &&
2023 client_is_signing_mandatory(cli)) {
2024 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
2025 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
2029 if (cli->protocol >= PROTOCOL_NT1) {
2031 bool negotiated_smb_signing = false;
2034 cli->sec_mode = CVAL(vwv + 1, 0);
2035 cli->max_mux = SVAL(vwv + 1, 1);
2036 cli->max_xmit = IVAL(vwv + 3, 1);
2037 cli->sesskey = IVAL(vwv + 7, 1);
2038 cli->serverzone = SVALS(vwv + 15, 1);
2039 cli->serverzone *= 60;
2040 /* this time arrives in real GMT */
2041 ts = interpret_long_date(((char *)(vwv+11))+1);
2042 cli->servertime = ts.tv_sec;
2043 cli->secblob = data_blob(bytes, num_bytes);
2044 cli->capabilities = IVAL(vwv + 9, 1);
2045 if (cli->capabilities & CAP_RAW_MODE) {
2046 cli->readbraw_supported = True;
2047 cli->writebraw_supported = True;
2049 /* work out if they sent us a workgroup */
2050 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
2051 smb_buflen(cli->inbuf) > 8) {
2052 clistr_pull(cli->inbuf, cli->server_domain,
2053 bytes+8, sizeof(cli->server_domain),
2055 STR_UNICODE|STR_NOALIGN);
2059 * As signing is slow we only turn it on if either the client or
2060 * the server require it. JRA.
2063 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
2064 /* Fail if server says signing is mandatory and we don't want to support it. */
2065 if (!client_is_signing_allowed(cli)) {
2066 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
2067 tevent_req_nterror(req,
2068 NT_STATUS_ACCESS_DENIED);
2071 negotiated_smb_signing = true;
2072 } else if (client_is_signing_mandatory(cli) && client_is_signing_allowed(cli)) {
2073 /* Fail if client says signing is mandatory and the server doesn't support it. */
2074 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
2075 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
2076 tevent_req_nterror(req,
2077 NT_STATUS_ACCESS_DENIED);
2080 negotiated_smb_signing = true;
2081 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
2082 negotiated_smb_signing = true;
2085 if (negotiated_smb_signing) {
2086 cli_set_signing_negotiated(cli);
2089 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
2090 SAFE_FREE(cli->outbuf);
2091 SAFE_FREE(cli->inbuf);
2092 cli->outbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+LARGE_WRITEX_HDR_SIZE+SAFETY_MARGIN);
2093 cli->inbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+LARGE_WRITEX_HDR_SIZE+SAFETY_MARGIN);
2094 cli->bufsize = CLI_SAMBA_MAX_LARGE_READX_SIZE + LARGE_WRITEX_HDR_SIZE;
2097 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
2098 cli->use_spnego = False;
2099 cli->sec_mode = SVAL(vwv + 1, 0);
2100 cli->max_xmit = SVAL(vwv + 2, 0);
2101 cli->max_mux = SVAL(vwv + 3, 0);
2102 cli->sesskey = IVAL(vwv + 6, 0);
2103 cli->serverzone = SVALS(vwv + 10, 0);
2104 cli->serverzone *= 60;
2105 /* this time is converted to GMT by make_unix_date */
2106 cli->servertime = cli_make_unix_date(
2107 cli, (char *)(vwv + 8));
2108 cli->readbraw_supported = ((SVAL(vwv + 5, 0) & 0x1) != 0);
2109 cli->writebraw_supported = ((SVAL(vwv + 5, 0) & 0x2) != 0);
2110 cli->secblob = data_blob(bytes, num_bytes);
2112 /* the old core protocol */
2113 cli->use_spnego = False;
2115 cli->serverzone = get_time_zone(time(NULL));
2118 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
2120 /* a way to force ascii SMB */
2121 if (getenv("CLI_FORCE_ASCII"))
2122 cli->capabilities &= ~CAP_UNICODE;
2124 tevent_req_done(req);
2127 NTSTATUS cli_negprot_recv(struct tevent_req *req)
2129 return tevent_req_simple_recv_ntstatus(req);
2132 NTSTATUS cli_negprot(struct cli_state *cli)
2134 TALLOC_CTX *frame = talloc_stackframe();
2135 struct event_context *ev;
2136 struct tevent_req *req;
2137 NTSTATUS status = NT_STATUS_OK;
2139 if (cli_has_async_calls(cli)) {
2141 * Can't use sync call while an async call is in flight
2143 status = NT_STATUS_INVALID_PARAMETER;
2147 ev = event_context_init(frame);
2149 status = NT_STATUS_NO_MEMORY;
2153 req = cli_negprot_send(frame, ev, cli);
2155 status = NT_STATUS_NO_MEMORY;
2159 if (!tevent_req_poll(req, ev)) {
2160 status = map_nt_error_from_unix(errno);
2164 status = cli_negprot_recv(req);
2167 if (!NT_STATUS_IS_OK(status)) {
2168 cli_set_error(cli, status);
2173 /****************************************************************************
2174 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
2175 ****************************************************************************/
2177 bool cli_session_request(struct cli_state *cli,
2178 struct nmb_name *calling, struct nmb_name *called)
2184 /* 445 doesn't have session request */
2185 if (cli->port == 445)
2188 memcpy(&(cli->calling), calling, sizeof(*calling));
2189 memcpy(&(cli->called ), called , sizeof(*called ));
2191 /* put in the destination name */
2193 tmp = name_mangle(talloc_tos(), cli->called.name,
2194 cli->called.name_type);
2199 p = cli->outbuf+len;
2200 memcpy(p, tmp, name_len(tmp));
2201 len += name_len(tmp);
2206 tmp = name_mangle(talloc_tos(), cli->calling.name,
2207 cli->calling.name_type);
2212 p = cli->outbuf+len;
2213 memcpy(p, tmp, name_len(tmp));
2214 len += name_len(tmp);
2217 /* send a session request (RFC 1002) */
2218 /* setup the packet length
2219 * Remove four bytes from the length count, since the length
2220 * field in the NBT Session Service header counts the number
2221 * of bytes which follow. The cli_send_smb() function knows
2222 * about this and accounts for those four bytes.
2226 _smb_setlen(cli->outbuf,len);
2227 SCVAL(cli->outbuf,0,0x81);
2230 DEBUG(5,("Sent session request\n"));
2232 if (!cli_receive_smb(cli))
2235 if (CVAL(cli->inbuf,0) == 0x84) {
2236 /* C. Hoch 9/14/95 Start */
2237 /* For information, here is the response structure.
2238 * We do the byte-twiddling to for portability.
2239 struct RetargetResponse{
2241 unsigned char flags;
2247 uint16_t port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
2248 struct in_addr dest_ip;
2251 /* SESSION RETARGET */
2252 putip((char *)&dest_ip,cli->inbuf+4);
2253 in_addr_to_sockaddr_storage(&cli->dest_ss, dest_ip);
2255 status = open_socket_out(&cli->dest_ss, port,
2256 LONG_CONNECT_TIMEOUT, &cli->fd);
2257 if (!NT_STATUS_IS_OK(status)) {
2261 DEBUG(3,("Retargeted\n"));
2263 set_socket_options(cli->fd, lp_socket_options());
2270 DEBUG(0,("Retarget recursion - failing\n"));
2274 ret = cli_session_request(cli, calling, called);
2278 } /* C. Hoch 9/14/95 End */
2280 if (CVAL(cli->inbuf,0) != 0x82) {
2281 /* This is the wrong place to put the error... JRA. */
2282 cli->rap_error = CVAL(cli->inbuf,4);
2292 static void smb_sock_connected(struct tevent_req *req)
2294 struct fd_struct *pfd = tevent_req_callback_data(
2295 req, struct fd_struct);
2299 status = open_socket_out_defer_recv(req, &fd);
2300 if (NT_STATUS_IS_OK(status)) {
2305 static NTSTATUS open_smb_socket(const struct sockaddr_storage *pss,
2306 uint16_t *port, int timeout, int *pfd)
2308 struct event_context *ev;
2309 struct tevent_req *r139, *r445;
2310 struct fd_struct *fd139, *fd445;
2311 NTSTATUS status = NT_STATUS_NO_MEMORY;
2314 return open_socket_out(pss, *port, timeout, pfd);
2317 ev = event_context_init(talloc_tos());
2319 return NT_STATUS_NO_MEMORY;
2322 fd139 = talloc(ev, struct fd_struct);
2323 if (fd139 == NULL) {
2328 fd445 = talloc(ev, struct fd_struct);
2329 if (fd445 == NULL) {
2334 r445 = open_socket_out_defer_send(ev, ev, timeval_set(0, 0),
2336 r139 = open_socket_out_defer_send(ev, ev, timeval_set(0, 3000),
2338 if ((r445 == NULL) || (r139 == NULL)) {
2341 tevent_req_set_callback(r445, smb_sock_connected, fd445);
2342 tevent_req_set_callback(r139, smb_sock_connected, fd139);
2344 while ((fd445->fd == -1) && (fd139->fd == -1)
2345 && (tevent_req_is_in_progress(r139)
2346 || tevent_req_is_in_progress(r445))) {
2347 event_loop_once(ev);
2350 if ((fd139->fd != -1) && (fd445->fd != -1)) {
2355 if (fd445->fd != -1) {
2358 status = NT_STATUS_OK;
2361 if (fd139->fd != -1) {
2364 status = NT_STATUS_OK;
2368 status = open_socket_out_defer_recv(r445, &fd445->fd);
2374 /****************************************************************************
2375 Open the client sockets.
2376 ****************************************************************************/
2378 NTSTATUS cli_connect(struct cli_state *cli,
2380 struct sockaddr_storage *dest_ss)
2383 int name_type = 0x20;
2384 TALLOC_CTX *frame = talloc_stackframe();
2385 unsigned int num_addrs = 0;
2387 struct sockaddr_storage *ss_arr = NULL;
2390 /* reasonable default hostname */
2392 host = STAR_SMBSERVER;
2395 fstrcpy(cli->desthost, host);
2397 /* allow hostnames of the form NAME#xx and do a netbios lookup */
2398 if ((p = strchr(cli->desthost, '#'))) {
2399 name_type = strtol(p+1, NULL, 16);
2403 if (!dest_ss || is_zero_addr((struct sockaddr *)dest_ss)) {
2404 NTSTATUS status =resolve_name_list(frame,
2409 if (!NT_STATUS_IS_OK(status)) {
2411 return NT_STATUS_BAD_NETWORK_NAME;
2415 ss_arr = TALLOC_P(frame, struct sockaddr_storage);
2418 return NT_STATUS_NO_MEMORY;
2423 for (i = 0; i < num_addrs; i++) {
2424 cli->dest_ss = ss_arr[i];
2425 if (getenv("LIBSMB_PROG")) {
2426 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
2428 uint16_t port = cli->port;
2430 status = open_smb_socket(&cli->dest_ss, &port,
2431 cli->timeout, &cli->fd);
2432 if (NT_STATUS_IS_OK(status)) {
2436 if (cli->fd == -1) {
2437 char addr[INET6_ADDRSTRLEN];
2438 print_sockaddr(addr, sizeof(addr), &ss_arr[i]);
2439 DEBUG(2,("Error connecting to %s (%s)\n",
2440 dest_ss?addr:host,strerror(errno)));
2442 /* Exit from loop on first connection. */
2447 if (cli->fd == -1) {
2449 return map_nt_error_from_unix(errno);
2453 *dest_ss = cli->dest_ss;
2456 set_socket_options(cli->fd, lp_socket_options());
2459 return NT_STATUS_OK;
2463 establishes a connection to after the negprot.
2464 @param output_cli A fully initialised cli structure, non-null only on success
2465 @param dest_host The netbios name of the remote host
2466 @param dest_ss (optional) The the destination IP, NULL for name based lookup
2467 @param port (optional) The destination port (0 for default)
2468 @param retry bool. Did this connection fail with a retryable error ?
2471 NTSTATUS cli_start_connection(struct cli_state **output_cli,
2472 const char *my_name,
2473 const char *dest_host,
2474 struct sockaddr_storage *dest_ss, int port,
2475 int signing_state, int flags,
2479 struct nmb_name calling;
2480 struct nmb_name called;
2481 struct cli_state *cli;
2482 struct sockaddr_storage ss;
2488 my_name = global_myname();
2490 if (!(cli = cli_initialise_ex(signing_state))) {
2491 return NT_STATUS_NO_MEMORY;
2494 make_nmb_name(&calling, my_name, 0x0);
2495 make_nmb_name(&called , dest_host, 0x20);
2497 cli_set_port(cli, port);
2498 cli_set_timeout(cli, 10000); /* 10 seconds. */
2508 DEBUG(3,("Connecting to host=%s\n", dest_host));
2510 nt_status = cli_connect(cli, dest_host, &ss);
2511 if (!NT_STATUS_IS_OK(nt_status)) {
2512 char addr[INET6_ADDRSTRLEN];
2513 print_sockaddr(addr, sizeof(addr), &ss);
2514 DEBUG(1,("cli_start_connection: failed to connect to %s (%s). Error %s\n",
2515 nmb_namestr(&called), addr, nt_errstr(nt_status) ));
2523 if (!cli_session_request(cli, &calling, &called)) {
2525 DEBUG(1,("session request to %s failed (%s)\n",
2526 called.name, cli_errstr(cli)));
2527 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
2531 if (strcmp(called.name, STAR_SMBSERVER)) {
2532 make_nmb_name(&called , STAR_SMBSERVER, 0x20);
2535 return NT_STATUS_BAD_NETWORK_NAME;
2538 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
2539 cli->use_spnego = False;
2540 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
2541 cli->use_kerberos = True;
2543 if ((flags & CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS) &&
2544 cli->use_kerberos) {
2545 cli->fallback_after_kerberos = true;
2548 nt_status = cli_negprot(cli);
2549 if (!NT_STATUS_IS_OK(nt_status)) {
2550 DEBUG(1, ("failed negprot: %s\n", nt_errstr(nt_status)));
2556 return NT_STATUS_OK;
2561 establishes a connection right up to doing tconX, password specified.
2562 @param output_cli A fully initialised cli structure, non-null only on success
2563 @param dest_host The netbios name of the remote host
2564 @param dest_ip (optional) The the destination IP, NULL for name based lookup
2565 @param port (optional) The destination port (0 for default)
2566 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
2567 @param service_type The 'type' of serivice.
2568 @param user Username, unix string
2569 @param domain User's domain
2570 @param password User's password, unencrypted unix string.
2571 @param retry bool. Did this connection fail with a retryable error ?
2574 NTSTATUS cli_full_connection(struct cli_state **output_cli,
2575 const char *my_name,
2576 const char *dest_host,
2577 struct sockaddr_storage *dest_ss, int port,
2578 const char *service, const char *service_type,
2579 const char *user, const char *domain,
2580 const char *password, int flags,
2585 struct cli_state *cli = NULL;
2586 int pw_len = password ? strlen(password)+1 : 0;
2590 if (password == NULL) {
2594 nt_status = cli_start_connection(&cli, my_name, dest_host,
2595 dest_ss, port, signing_state,
2598 if (!NT_STATUS_IS_OK(nt_status)) {
2602 cli->use_oplocks = ((flags & CLI_FULL_CONNECTION_OPLOCKS) != 0);
2603 cli->use_level_II_oplocks =
2604 ((flags & CLI_FULL_CONNECTION_LEVEL_II_OPLOCKS) != 0);
2606 nt_status = cli_session_setup(cli, user, password, pw_len, password,
2608 if (!NT_STATUS_IS_OK(nt_status)) {
2610 if (!(flags & CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK)) {
2611 DEBUG(1,("failed session setup with %s\n",
2612 nt_errstr(nt_status)));
2617 nt_status = cli_session_setup(cli, "", "", 0, "", 0, domain);
2618 if (!NT_STATUS_IS_OK(nt_status)) {
2619 DEBUG(1,("anonymous failed session setup with %s\n",
2620 nt_errstr(nt_status)));
2627 nt_status = cli_tcon_andx(cli, service, service_type, password,
2629 if (!NT_STATUS_IS_OK(nt_status)) {
2630 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
2632 if (NT_STATUS_IS_OK(nt_status)) {
2633 nt_status = NT_STATUS_UNSUCCESSFUL;
2639 nt_status = cli_init_creds(cli, user, domain, password);
2640 if (!NT_STATUS_IS_OK(nt_status)) {
2646 return NT_STATUS_OK;
2649 /****************************************************************************
2650 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
2651 ****************************************************************************/
2653 bool attempt_netbios_session_request(struct cli_state **ppcli, const char *srchost, const char *desthost,
2654 struct sockaddr_storage *pdest_ss)
2656 struct nmb_name calling, called;
2658 make_nmb_name(&calling, srchost, 0x0);
2661 * If the called name is an IP address
2662 * then use *SMBSERVER immediately.
2665 if(is_ipaddress(desthost)) {
2666 make_nmb_name(&called, STAR_SMBSERVER, 0x20);
2668 make_nmb_name(&called, desthost, 0x20);
2671 if (!cli_session_request(*ppcli, &calling, &called)) {
2673 struct nmb_name smbservername;
2675 make_nmb_name(&smbservername, STAR_SMBSERVER, 0x20);
2678 * If the name wasn't *SMBSERVER then
2679 * try with *SMBSERVER if the first name fails.
2682 if (nmb_name_equal(&called, &smbservername)) {
2685 * The name used was *SMBSERVER, don't bother with another name.
2688 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
2689 with error %s.\n", desthost, cli_errstr(*ppcli) ));
2694 cli_shutdown(*ppcli);
2696 *ppcli = cli_initialise();
2698 /* Out of memory... */
2702 status = cli_connect(*ppcli, desthost, pdest_ss);
2703 if (!NT_STATUS_IS_OK(status) ||
2704 !cli_session_request(*ppcli, &calling, &smbservername)) {
2705 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
2706 name *SMBSERVER with error %s\n", desthost, cli_errstr(*ppcli) ));
2714 /****************************************************************************
2715 Send an old style tcon.
2716 ****************************************************************************/
2717 NTSTATUS cli_raw_tcon(struct cli_state *cli,
2718 const char *service, const char *pass, const char *dev,
2719 uint16 *max_xmit, uint16 *tid)
2723 if (!lp_client_plaintext_auth() && (*pass)) {
2724 DEBUG(1, ("Server requested plaintext password but 'client "
2725 "plaintext auth' is disabled\n"));
2726 return NT_STATUS_ACCESS_DENIED;
2729 memset(cli->outbuf,'\0',smb_size);
2730 memset(cli->inbuf,'\0',smb_size);
2732 cli_set_message(cli->outbuf, 0, 0, True);
2733 SCVAL(cli->outbuf,smb_com,SMBtcon);
2734 cli_setup_packet(cli);
2736 p = smb_buf(cli->outbuf);
2737 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
2738 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
2739 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
2741 cli_setup_bcc(cli, p);
2744 if (!cli_receive_smb(cli)) {
2745 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
2748 if (cli_is_error(cli)) {
2749 return cli_nt_error(cli);
2752 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
2753 *tid = SVAL(cli->inbuf, smb_vwv1);
2755 return NT_STATUS_OK;
2758 /* Return a cli_state pointing at the IPC$ share for the given server */
2760 struct cli_state *get_ipc_connect(char *server,
2761 struct sockaddr_storage *server_ss,
2762 const struct user_auth_info *user_info)
2764 struct cli_state *cli;
2766 uint32_t flags = CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK;
2768 if (user_info->use_kerberos) {
2769 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
2772 nt_status = cli_full_connection(&cli, NULL, server, server_ss, 0, "IPC$", "IPC",
2773 user_info->username ? user_info->username : "",
2775 user_info->password ? user_info->password : "",
2779 if (NT_STATUS_IS_OK(nt_status)) {
2781 } else if (is_ipaddress(server)) {
2782 /* windows 9* needs a correct NMB name for connections */
2783 fstring remote_name;
2785 if (name_status_find("*", 0, 0, server_ss, remote_name)) {
2786 cli = get_ipc_connect(remote_name, server_ss, user_info);
2795 * Given the IP address of a master browser on the network, return its
2796 * workgroup and connect to it.
2798 * This function is provided to allow additional processing beyond what
2799 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
2800 * browsers and obtain each master browsers' list of domains (in case the
2801 * first master browser is recently on the network and has not yet
2802 * synchronized with other master browsers and therefore does not yet have the
2803 * entire network browse list)
2806 struct cli_state *get_ipc_connect_master_ip(TALLOC_CTX *ctx,
2807 struct ip_service *mb_ip,
2808 const struct user_auth_info *user_info,
2809 char **pp_workgroup_out)
2811 char addr[INET6_ADDRSTRLEN];
2813 struct cli_state *cli;
2814 struct sockaddr_storage server_ss;
2816 *pp_workgroup_out = NULL;
2818 print_sockaddr(addr, sizeof(addr), &mb_ip->ss);
2819 DEBUG(99, ("Looking up name of master browser %s\n",
2823 * Do a name status query to find out the name of the master browser.
2824 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
2825 * master browser will not respond to a wildcard query (or, at least,
2826 * an NT4 server acting as the domain master browser will not).
2828 * We might be able to use ONLY the query on MSBROWSE, but that's not
2829 * yet been tested with all Windows versions, so until it is, leave
2830 * the original wildcard query as the first choice and fall back to
2831 * MSBROWSE if the wildcard query fails.
2833 if (!name_status_find("*", 0, 0x1d, &mb_ip->ss, name) &&
2834 !name_status_find(MSBROWSE, 1, 0x1d, &mb_ip->ss, name)) {
2836 DEBUG(99, ("Could not retrieve name status for %s\n",
2841 if (!find_master_ip(name, &server_ss)) {
2842 DEBUG(99, ("Could not find master ip for %s\n", name));
2846 *pp_workgroup_out = talloc_strdup(ctx, name);
2848 DEBUG(4, ("found master browser %s, %s\n", name, addr));
2850 print_sockaddr(addr, sizeof(addr), &server_ss);
2851 cli = get_ipc_connect(addr, &server_ss, user_info);
2857 * Return the IP address and workgroup of a master browser on the network, and
2861 struct cli_state *get_ipc_connect_master_ip_bcast(TALLOC_CTX *ctx,
2862 const struct user_auth_info *user_info,
2863 char **pp_workgroup_out)
2865 struct ip_service *ip_list;
2866 struct cli_state *cli;
2869 *pp_workgroup_out = NULL;
2871 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
2873 /* Go looking for workgroups by broadcasting on the local network */
2875 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
2877 DEBUG(99, ("No master browsers responded\n"));
2881 for (i = 0; i < count; i++) {
2882 char addr[INET6_ADDRSTRLEN];
2883 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
2884 DEBUG(99, ("Found master browser %s\n", addr));
2886 cli = get_ipc_connect_master_ip(ctx, &ip_list[i],
2887 user_info, pp_workgroup_out);